CN113102641B

CN113102641B - Automatic buckling and pressing machine for producing special fixing and sealing device for motor vehicle license plate

Info

Publication number: CN113102641B
Application number: CN202110408264.0A
Authority: CN
Inventors: 夏存慧
Original assignee: Shanghai Baocheng Transportation Equipment Co ltd
Current assignee: Shanghai Baocheng Transportation Equipment Co ltd
Priority date: 2021-04-16
Filing date: 2021-04-16
Publication date: 2023-02-24
Anticipated expiration: 2041-04-16
Also published as: CN113102641A

Abstract

The application relates to an automatic buckling and pressing machine for producing a special fixing and sealing device for motor vehicle license plates, which relates to the field of special fixing and sealing devices for motor vehicle license plates and comprises a base station, a lower die assembly fixed on the base station and an upper die assembly fixed on the base station; the lower die assembly comprises a columnar stamping lower die fixed on the base station, a bearing lower die sleeved on the stamping lower die in a sliding manner and an elastic supporting piece abutted between the bearing lower die and the base station, the upper end of the stamping lower die is coaxially provided with a truncated cone-shaped guide column, the diameter of the upper end of the guide column is smaller than that of the through hole in the clamp spring, and the diameter of the lower end of the guide column is larger than that of the through hole in the clamp spring; the upper die assembly comprises an upper die positioned right above the lower stamping die and a driving piece for driving the upper die to lift and stamp along the vertical direction. This application has the effect of automatic withholding base and jump ring, can effectively improve the production efficiency of special license plate solid seal device of motor vehicle.

Description

Automatic buckling and pressing machine for producing special fixing and sealing device for motor vehicle license plate

Technical Field

The application relates to the field of processing of special fixing and sealing devices for motor vehicle license plates, in particular to an automatic buckling and pressing machine for producing the special fixing and sealing devices for the motor vehicle license plates.

Background

The special fixing and sealing device for the motor vehicle license plate is an important component of the motor vehicle license plate, is used for fixing the motor vehicle license plate, has the anti-theft and anti-counterfeiting performances, can effectively prevent the motor vehicle license plate from being stolen, exchanged and counterfeited, is firmly installed and is not easy to fall off.

Referring to fig. 1, a schematic structural view of a special fixing and sealing device for a motor vehicle license plate includes a cover 04, a base 01, a clamp spring 02 and a bolt 03. When the clamp spring type motor vehicle license plate fixing frame is used, the base 01 is pressed on a motor vehicle license plate, the clamp spring 02 is placed in the base 01, the bolt 03 sequentially penetrates through the clamp spring 02, the base 01 and the motor vehicle license plate and is screwed on the motor vehicle license plate fixing frame, and then the base 01 and the clamp spring 02 are fixed on the motor vehicle license plate fixing frame; the buckle cover 04 is buckled in the base 01, the groove on the inner wall of the buckle cover 04 is clamped with the connecting sheet 021 on the peripheral side of the clamp spring 02, and then the buckle cover 04 is fixed.

In the related art, in order to facilitate the use of the special sealing device for the motor vehicle, the clamp spring 02 and the base 01 need to be fixed together in advance. Referring to fig. 1 and 2, the base 01 is integrally cylindrical, and a circular hole is formed in the center of the bottom of the base 01 in a penetrating manner; the clamp spring 02 comprises a barrel 022 and connecting sheets 021 arranged on the periphery of an opening end of the barrel 022, wherein a round hole is formed in the center of the bottom of the barrel 022 in a penetrating manner, and a plurality of connecting sheets 021 are integrally arranged on the periphery of the round hole; referring to fig. 2 and 3, the clamp spring 02 is placed in the base 01, the connecting sheet 021 of the clamp spring 02 passes through the through hole on the base 01, and the connecting sheet 021 is bent and attached to the bottom surface of the base 01, so that the base 01 and the clamp spring 02 are connected and fixed.

In view of the above-mentioned related technologies, the inventor considers that a device for automatically assembling the snap spring 02 and the base 01 needs to be provided, so that the assembly efficiency of the snap spring 02 and the base 01 is improved, and further the production efficiency of the special sealing device for the motor vehicle is improved.

Disclosure of Invention

In order to improve the assembly efficiency of the jump ring and the base of the special solid sealing device of motor vehicle, the application provides an automatic withhold machine that is used for the special solid sealing device production of motor vehicle license plate, has and withholds jump ring and base effect fast, can effectively improve the production efficiency of the special solid sealing device of motor vehicle.

The application provides a pair of automatic withhold machine that is used for special solid device production of sealing of motor vehicle license plate adopts following technical scheme:

an automatic buckling and pressing machine for the production of a special fixing and sealing device for motor vehicle license plates comprises a base station, a lower die assembly fixed on the base station and an upper die assembly fixed on the base station;

the lower die assembly comprises a columnar stamping lower die fixed on the base station, a bearing lower die sleeved on the stamping lower die in a sliding manner and an elastic supporting piece abutted between the bearing lower die and the base station, a through hole matched with the stamping lower die in a sliding manner is formed in the bearing lower die in a penetrating manner, a truncated cone-shaped guide column is coaxially arranged at the upper end of the stamping lower die, the diameter of the upper end of the guide column is smaller than that of the through hole in the clamp spring, the diameter of the lower end of the guide column is larger than that of the through hole in the clamp spring, and a limiting structure for limiting the base and the guide column to be coaxial is arranged on the bearing lower die;

go up the membrane module including being located go up moulding-die and drive directly over the punching press lower mould go up the stamping driving piece that the stamping action goes up and down along vertical direction of moulding-die, the driving piece is fixed on the base station, it is provided with cylindrical jump ring pressure head to go up the moulding-die lower extreme, the jump ring pressure head inserts in the barrel of jump ring and with the bottom butt of barrel, seted up on the jump ring pressure head and dodged the hole of dodging of guide post.

Through adopting above-mentioned technical scheme, accomplish the assembly of jump ring and base fast through the punching press of last mould subassembly. Placing the base on the lower bearing die, placing the clamp spring in the base, enabling the connecting sheet of the clamp spring to penetrate through the through hole in the bottom of the base, and ensuring that the central through holes of the base and the clamp spring are coaxial with the lower stamping die by means of a limiting structure; an upper pressing die of the upper die assembly is driven to descend by a stamping driving piece, an upper die pressing head is abutted against the bottom of the clamp spring, the base is abutted against the lower bearing die to force the lower bearing die, the base and the clamp spring to descend synchronously, and a connecting sheet on the clamp spring is bent outwards under the action of a tapered guide column with a gradually enlarged shaft diameter in the descending process; and finally, the clamp spring is extruded by the clamp spring pressure head and the lower stamping die, and the connecting sheet on the clamp spring is pressed together with the bottom of the base to complete the assembly of the clamp spring and the base.

Optionally, a transition fillet is arranged between the guide column and the lower stamping die.

Through adopting above-mentioned technical scheme for the connection piece can be more smooth and easy change the horizontality into from vertical state, be favorable to improving the part quality of special solid sealing device of motor vehicle license plate.

Optionally, still include the material loading subassembly, the material loading subassembly includes: the vibrating disk is arranged on one side of the lower die assembly and is fixed on the base; the base feeding sliding rail is connected with a discharge hole of the vibrating disc; connecting a discharge port of the base feeding slide rail with a base feeding slide rail bearing a lower die; the feeding pushing cylinder is arranged on one side, away from the lower die assembly, of the base feeding slide rail; a feeding rod is inserted into the avoiding hole in a sliding manner, the feeding rod is in inserting fit with the through hole in the clamp spring, and the feeding rod penetrates through the upper pressing die; the base station is provided with the support column, the upper end of support column is provided with the limiting plate, the limiting plate is located go up the top of moulding-die, the material loading pole runs through the limiting plate, the limiting plate is kept away from go up one side of moulding-die, in be fixed with the counter weight stopper on the material loading pole.

Through adopting above-mentioned technical scheme, base automatic feeding further improves assembly efficiency. Arranging a vibrating disc, a base feeding slide rail and a base feeding slide rail, arranging and conveying a large amount of base parts into the base feeding slide rail through the vibrating disc, conveying the base parts to the base feeding slide rail through the base feeding slide rail one by one, and feeding bases on the base feeding slide rail to a processing position by a feeding push cylinder; through slide in dodging the downthehole inserting and establish the material loading pole to set up the counter weight stopper in the upper end of material loading pole, the staff inserts the jump ring and establishes on the material loading pole, and the assembly and the pressfitting of jump ring and base are accomplished in step through the pushing down of last moulding-die, have improved production efficiency.

Optionally, the material loading subassembly still includes: the other vibration disc is arranged on one side of the lower die assembly and fixed on the base; the feeding end side of the clamp spring feeding slide rail is hinged with a supporting structure on a base station, a blanking driving piece for driving the clamp spring feeding slide rail to swing around a hinge axis is arranged between the clamp spring feeding slide rail and the base station, the discharging end of the clamp spring feeding slide rail is positioned between the lower die assembly and the upper die assembly, and a material stopping claw for preventing the clamp spring from falling is elastically arranged at the discharging end of the clamp spring feeding slide rail; when a clamp spring on the clamp spring feeding slide rail is abutted to the material stopping clamping claw, the clamp spring is coaxial with the feeding rod.

Through adopting above-mentioned technical scheme, accomplish jump ring material loading automatically, further improve production efficiency. The clamping spring feeding slide rail is driven to swing by arranging another vibrating disc, installing a clamping spring feeding slide rail through a hinge and arranging a driving piece; arranging the clamp springs by the vibration disc and conveying the clamp springs to a clamp spring feeding slide rail; the discharge end of the clamp spring feeding slide rail is positioned between the upper die assembly and the lower die assembly in an initial state, a clamp spring on the clamp spring feeding slide rail, which is closest to the discharge end, is coaxial with the feeding rod under the limitation of the material stopping claw, and the feeding rod is inserted into a through hole in the clamp spring in the descending process of the upper pressing die; when the feeding rod descends to a certain position (fixedly splicing the clamp springs), the driving piece pulls the clamp spring feeding slide rail, so that the discharge end of the clamp spring feeding slide rail leaves between the lower die assembly and the upper die assembly, and the clamp springs are separated from the end part of the clamp spring feeding slide rail; and the upper pressing die continues to descend to complete the assembly of the clamp spring and the base.

Optionally, the clamp spring feeding slide rail and the base feeding slide rail are arc-shaped feeding rails formed by inclined rail sections and gentle rail sections, one ends of the gentle rails, which are close to the arc-shaped rails, are provided with air injection pipes, and air outlets of the air injection pipes face the gentle rail sections.

By adopting the technical scheme, the feeding process is optimized, and the blockage is prevented. An inclined track section is arranged, automatic conveying of parts is completed through gravity, a gentle track section is arranged so that the base can stably enter a base feeding track, and the clamp spring is smoothly aligned with the feeding rod; further set up air-blast pipe in the transition position of slope track section and gentle track section, make the part on the gentle track section move forward through air-blast mode, can prevent to weaken the card material that causes because of gravity tenesmus effect.

Optionally, a fixing frame for fixing the snap spring feeding slide rail is arranged on one side of the support column close to the snap spring feeding slide rail, and a rotating frame is rotatably connected to the lower side of the fixing frame;

the clamp spring feeding slide rail comprises a fixed slide rail fixed on the fixing frame and a swing slide rail fixed on the rotating frame, the fixed slide rail is connected with the swing slide rail and the vibration disc, the fixed slide rail is close to a rail with a vertically arranged end of the swing slide rail, the discharge end of the clamp spring feeding slide rail is located between the lower die assembly and the upper die assembly, and the fixed slide rail is opposite to a notch on the swing slide rail.

Through adopting above-mentioned technical scheme, optimize the design of jump ring pay-off slide rail, ensure the smooth material loading of jump ring. Set up fixed slide rail and vibration dish and be connected, guarantee that the material on the vibration dish can stably get into the slide rail in, the one end that fixed slide rail is close to the swing slide rail sets up to vertical track, the gravity of utilizing that can the maximize for the jump ring falls into the swing slide rail by fixed slide rail.

Optionally, a track reset tension spring is arranged between the supporting column and the swing sliding rail.

Through adopting above-mentioned technical scheme, track extension spring that resets can assist and draw positive swing slide rail and reset.

Optionally, the limiting structure is two positioning blocks arranged on the lower bearing die in a sliding manner, the two positioning blocks are respectively located on two sides of the base feeding slide rail, the ends, opposite to the two positioning blocks, of the two positioning blocks are provided with arc-shaped clamping jaw structures attached to the outline of the base, and the lower bearing die is provided with positioning elastic pieces forcing the two positioning blocks to approach each other.

Through adopting above-mentioned technical scheme, under the condition that does not influence base material loading, accomplish the spacing to the base, and can realize the automatic material returned of the part that has assembled. And after one base is assembled with the snap spring, the next base pushes the assembled base out of the two sliding blocks, and automatic material returning is finished.

Optionally, two kidney-shaped grooves are formed in the lower bearing die, the kidney-shaped grooves correspond to the two positioning blocks and are respectively arranged on two sides of the base feeding slide rail, the positioning blocks are rotatably connected with limiting bolts inserted into the kidney-shaped grooves, and a certain gap is reserved between the two positioning blocks through the matching of the limiting bolts and the kidney-shaped grooves.

Through adopting above-mentioned technical scheme, the displacement of restriction locating piece guarantees to leave the clearance between the locating piece, makes things convenient for the base to strut two locating pieces.

Optionally, a feeding part is fixed at the end of a movable shaft of the feeding pushing cylinder, a feeding convex shoulder structure abutted against the base is arranged on the lower side of the feeding part, one side of the feeding part, which is close to the lower die assembly, extends in the upper lateral direction and is connected with a discharging hinge rod in a hinged manner, the hinge axis of the discharging hinge rod is a horizontal axis and is perpendicular to the feeding direction of the feeding slide rail of the base, and the hinge axis of the discharging hinge rod is arranged on one side, which is far away from the lower die assembly, of the length center of the discharging hinge rod.

By adopting the technical scheme, the material returning is completed by the aid of the blanking hinge rod, the mutual extrusion of the base and the base is avoided, and the quality of a finished product is ensured.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamp spring and the base are pre-assembled, so that the assembly during use is avoided, the conditions that parts are lost in use, the clamp spring is forgotten to be installed and the like are prevented, and the special fixing and sealing device for the motor vehicle license plate is convenient to use;

2. through setting up the material loading subassembly, accomplish the automatic feeding of base and jump ring, further reduced the manpower consumption, further improved the assembly efficiency of work piece.

Drawings

FIG. 1 is a schematic cross-sectional view of a special sealing device for a motor vehicle license plate to which the present application relates;

FIG. 2 is a schematic structural view of a clamp spring and a base in the special fixing device for the number plate of the motor vehicle, to which the present application relates;

FIG. 3 is an assembly diagram of a clamp spring and a base in a special fixing device for a motor vehicle license plate according to the present application;

FIG. 4 is a schematic view of the overall structure of embodiment 1 of the present application;

FIG. 5 is a cross-sectional view of the upper and lower die assemblies during processing in accordance with embodiment 1 of the present application to show the working principle of the present application;

FIG. 6 is a schematic view of the overall structure of embodiment 2 of the present application;

fig. 7 is a first schematic view of a base feeding structure in embodiment 2 of the present application;

fig. 8 is a second schematic view of a base feeding structure in embodiment 2 of the present application;

FIG. 9 is a schematic view of the structure of a lower die assembly in embodiment 2 of the present application;

FIG. 10 is a schematic view showing the structure of a wire-wound spring according to embodiment 2 of the present application;

FIG. 11 isbase:Sub>A schematic cross-sectional view taken along A-A in FIG. 9;

FIG. 12 is a schematic structural view of a clamp spring feeding structure in embodiment 2 of the present application;

fig. 13 is an enlarged view of the region B in fig. 12.

Reference numerals are as follows: 01. a base; 02. a clamp spring; 021. connecting sheets; 022. a cylinder body; 023. a butterfly-shaped piece; 03. a bolt; 04. covering; 1. a base station; 11. a support pillar; 12. a guide post; 13. a limiting plate; 14. a spring hanging plate; 2. a lower die assembly; 21. stamping a lower die; 211. a guide post; 22. carrying the lower die; 221. a lifting guide post; 222. a kidney-shaped groove; 223. a chute structure; 224. a feed chute; 225. a charging chute; 23. a lower die return spring; 24. a lower die limiting block; 25. positioning blocks; 26. a limit bolt; 27. positioning the elastic member; 3. an upper die assembly; 31. pressing the die; 311. an upper die pressing head; 312. a clamp spring pressure head; 313. avoiding holes; 314. a height-limiting waist-shaped hole; 32. a feeding rod; 33. a counterweight limiting block; 34. stamping a driving piece; 35. punching a lever; 36. a hinge link; 37. a height-limiting bolt; 41. a vibrating pan; 42. a base feeding slide rail; 43. a base feeding slide rail; 431. a feeding trough; 44. feeding parts; 441. a feeding shoulder; 442. blanking hinge rods; 45. a clamp spring feeding slide rail; 451. fixing the slide rail; 452. swinging the slide rail; 453. a spring hanging rod; 46. a material stopping claw; 461. a material stopping claw; 462. a butt joint plate; 47. an elastic reset plate; 481. a fixed mount; 482. a rotating frame; 49. a track reset tension spring; 51. a blanking driving piece; 52. feeding and pushing a cylinder; 53. and a gas ejector tube.

Detailed Description

The embodiment of the application discloses an automatic withhold machine that is used for special solid device production of sealing of motor vehicle license plate.

Example 1:

referring to fig. 4, an automatic withhold machine that is used for special solid device production of sealing of motor vehicle license plate includes base station 1, fixes lower mould subassembly 2 on base station 1 and fix on base station 1 and with lower mould subassembly 2 complex go up mould subassembly 3, lie in one side of lower mould subassembly 2 on base station 1 and be fixed with support column 11, go up mould subassembly 3 and fix on support column 11, be fixed with hollow cylindrical guide post 12 on the support column 11, guide post 12 leads upward mould subassembly 3's the action of pushing down to make go up mould subassembly 3 and lower mould subassembly 2 cooperation realize withholding.

Referring to fig. 4, the upper die assembly 3 includes an upper die 31 and a press driving member 34 for driving the upper die 31 to perform an up-and-down pressing action in a vertical direction. The stamping driving part 34 is a hydraulic cylinder which is vertically arranged and fixed on the base station 1, the supporting column 11 is a hollow cylinder, and the hydraulic cylinder is arranged in the supporting column 11; the stamping driving part 34 is connected with the upper die 31 through a stamping lever 35, the middle part of the stamping lever 35 is hinged with the upper end of the supporting column 11, and one end of the stamping lever 35 is hinged with a driving shaft of the stamping driving part 34; the other end of the stamping lever 35 is connected with the upper end of the upper pressing die 31 through a long-strip-shaped hinge connecting rod 36, and two ends of the hinge connecting rod 36 are respectively connected with the upper pressing die 31 and the stamping lever 35 through hinges; the main body of the upper die 31 is slidably inserted into the guide post 12, and performs a vertical lifting and pressing action under the combined action of the pressing driving member 34, the pressing lever 35, the hinge link 36 and the guide post 12. In the present embodiment, a hydraulic cylinder is used as the punch driving member 34, and the punching force and speed are stably controllable.

Referring to fig. 5, the lower mold assembly 2 includes a vertically disposed cylindrical lower stamping mold 21 embedded and fixed on the base 1, a lower bearing mold 22 slidably sleeved on the lower stamping mold 21, an elastic supporting member abutting between the lower bearing mold 22 and the base 1, and a lower mold limiting block 24 limiting an upper sliding limit of the lower bearing mold 22. A through hole structure matched with the lower stamping die 21 in a sliding manner is arranged on the lower bearing die 22 in a penetrating manner; two lower die limiting blocks 24 are symmetrically arranged on two sides of the bearing lower die 22, the lower die limiting blocks 24 are fixed on the base station 1 through screws, one side, close to the bearing lower die 22, of the lower die limiting blocks 24 is integrally provided with a convex shoulder structure, the convex shoulder structure is located above the bearing lower die 22, and the convex shoulder structure limits the upper limit of movement of the bearing lower die 22 in an abutting mode; the elastic supporting piece is a lower die return spring 23 sleeved on the stamping lower die 21; the upper end of the lower stamping die 21 is coaxially provided with a guide column 211 in a circular truncated cone shape, the diameter of the upper end of the guide column 211 is smaller than that of the through hole in the clamp spring 02, the diameter of the lower end of the guide column 211 is larger than that of the through hole in the clamp spring 02, and the top end of the guide column 211 and the connecting position of the guide column and the lower stamping die 21 are all processed into transition fillets. Bear and be provided with the limit structure who makes base 01 and guide post 211 coaxial on the lower mould 22, limit structure is for setting up two locating pieces 25 bearing the through-hole both sides of lower mould 22, and locating piece 25 passes through the fix with screw on bearing lower mould 22, makes base 01 imbed between two locating pieces 25 during the use, and for guaranteeing that base 01 is fixed stable, the one end that locating piece 25 is close to the base can set up to the arc structure of laminating mutually with the circular profile of base 01. In this embodiment of the present application, the main body of the lower bearing die 22 is a rectangular plate, the four corner positions of the lower bearing die 22 are fixed with cylindrical lifting guide posts 221, the base platform 1 is provided with guide holes (not shown in the position of the cross-sectional view in fig. 5) corresponding to the lifting guide posts 221, the lifting guide posts 221 are sleeved with springs in a compression state, and the lifting guide posts 221 provide elastic supporting force for the four corners of the lower bearing die 22 at the same time, which is helpful for the stable lifting of the lower bearing die 22.

Referring to fig. 5, a cylindrical upper mold ram 311 and a truncated cone-shaped clamp spring ram 312 are integrally provided at the lower end of the upper stamper 31; an avoiding hole 313 penetrates through the upper pressing die 31 in the vertical direction, and the avoiding hole 313 penetrates through the upper pressing die and can prevent negative pressure from influencing pressing.

The use of example 1 was: when the clamp spring 02 is used, the base 01 is embedded between the two positioning blocks 25, the clamp spring 02 is placed in the base 01, and the connecting sheet 021 on the clamp spring 02 penetrates through the through hole in the base 01; starting the stamping driving part 34, pressing the upper pressing die 31 down integrally, inserting the clamp spring pressing head 312 into the clamp spring 02 and abutting against the bottom of the clamp spring 02, and simultaneously abutting the upper die pressing head 311 against the upper end of the positioning block 25 so as to drive the lower bearing die 22, the base 01 and the clamp spring 02 to move downwards synchronously; the connecting sheet 021 on the jump ring 02 expands outwards under the guide of the round platform-shaped guide column 211, and when the connecting sheet 021 contacts the end face of the lower stamping die 21, the connecting sheet 021 begins to bend outwards by a large margin (the transition fillet structure can make the connecting sheet 021 bend more smoothly, reduce resistance and error deformation caused by the resistance), and finally the jump ring pressure head 312 is matched with the lower stamping die 21, and the connecting sheet 021 on the jump ring 02 is pressed at the bottom of the base 01, so that the fixation of the jump ring 02 and the base is completed.

The upper die component 3 and the lower die component 2 are used for stamping to finish bending of the connecting sheet 021 so as to connect and fix the clamp spring 02 and the base 01, and automatic assembly of the base 01 and the clamp spring 02 is realized; the lower stamping die 21 is provided with the circular truncated cone-shaped guide column 211, so that the connecting sheet 021 is ensured to bend towards the circumferential side, and the fixed clamp spring 02 and the base 01 can be connected conveniently; the corner structures at the two ends of the guide column 211 are processed into transition round corners, so that the connecting sheet 021 can be guided to bend more smoothly; a liftable bearing lower die 22 is arranged, the base 01 and the clamp spring 02 are suspended above the guide column 211 to reserve a space of the connecting sheet 021, the relative position of the clamp spring 02 and the base 01 is fixed firstly in the process that the upper pressing die 31 is pressed downwards, and then the connecting sheet 021 is bent, namely the relative position of the clamp spring 02 and the base 01 is fixed firstly and then the product quality is ensured; go up jump ring pressure head 312 on the moulding-die 31 and set up to the round platform form for jump ring pressure head 312 can be comparatively light insert or break away from the jump ring, optimize stamping process.

Example 2:

referring to fig. 6, the difference between the present embodiment and embodiment 1 is that the present embodiment further includes a feeding assembly.

Referring to fig. 6 and 7, the feeding assembly includes: the vibration plate 41 is fixed on the base platform 1 and located on one side of the lower die assembly 2, the base feeding slide rail 42 is connected with a discharge port of the vibration plate 41, the frame body is located on the base platform 1 and used for installing and fixing the base feeding slide rail 42, the discharge port of the base feeding slide rail 42 is connected with the base feeding slide rail 43 of the bearing lower die 22, and the vibration plate 41 is used for placing a part base 01. Referring to fig. 7, a feeding pushing cylinder 52 is arranged on one side of the base feeding slide rail 42 away from the lower die assembly 2, the feeding pushing cylinder 52 is a cylinder, and the feeding pushing cylinder 52 is installed in the supporting column 11 for reasonably utilizing space. After being sorted by the vibrating disc 41, the base 01 enters the base feeding slide rail 42 in a position state to be processed and is conveyed to the base feeding slide rail 43 by the base feeding slide rail 42; the feeding push cylinder 52 is started to send the base on the base feeding slide rail 43 to the lower bearing die 22, namely, the base 01 reaches the processing position.

Referring to fig. 7 and 8, fig. 7 is a schematic top view of a base feeding structure, fig. 7 is a cutaway view of a support column 11 structure, and fig. 8 is a schematic structural cross-sectional view of the base feeding structure. The base feeding slide rail 43 is a cuboid block arranged between the support column 11 and the bearing lower die 22, the base feeding slide rail 43 can be fixed on the base platform 1 through screws, the upper end of the base feeding slide rail 43 is provided with a feeding plane structure which is equal to the upper end surface of the bearing lower die 22 in an uncompressed state, the feeding plane structure and the side walls on the two sides of the feeding plane structure form a feeding groove 431 structure matched with the size of the base 01, and the discharge hole of the base feeding slide rail 42 is communicated with the feeding groove 431. The feeding push cylinder 52 is axially arranged along the feeding groove 431, the end part of a movable shaft of the feeding push cylinder is fixed with a feeding part 44, the lower side of the feeding part 44 is provided with a feeding shoulder 441 abutted against the base 01, the feeding part 44 slides in the feeding groove 431, the height of the feeding shoulder 441 is greater than or equal to that of the base 01, the upper side of the feeding part 44 extends towards one side close to the lower die assembly 2 and is hinged with a discharging hinge rod 442, the hinge axis of the discharging hinge rod 442 is a horizontal axis and is vertical to the feeding direction of the base feeding slide rail 43, the hinge axis of the discharging hinge rod 442 is arranged at one side, away from the lower die assembly 2, of the length center of the discharging hinge rod 442, and under the action of gravity, one end, close to the lower die assembly 2, of the discharging hinge rod 442 keeps a sagging state. The base 01 is pushed to the lower bearing die 22 by the feeding shoulder 441, and meanwhile, the blanking hinge rod 442 pushes out the parts assembled on the lower bearing die 22; when the feeding member 44 retracts, the feeding hinge rod 442 can swing upward to avoid the obstruction of the base 01 on the lower bearing mold 22 after touching the base 01.

Example 2 also differs from example 1 in that: referring to fig. 9, two sides of the top of the lower bearing die 22 are provided with sliding groove structures 223 matched with the positioning blocks 25, the positioning blocks 25 slide in the sliding groove structures 223, and the bottom of the sliding groove structures 223 is a placing plane of the base 01; compared with fig. 7 and 9, a feeding groove 224 is formed in one side of the lower bearing mold 22 close to the base feeding slide rail 43, and a discharging groove 225 is formed in one side of the lower bearing mold 22 far away from the base feeding slide rail 43; referring to fig. 9 and 10, the lower bearing die 22 is provided with a positioning elastic element 27 for forcing the two positioning blocks 25 to approach each other, the center of the positioning elastic element 27 coincides with the center of the lower bearing die 22, the positioning elastic element 27 is a wire forming spring, and two ends of the wire forming spring are respectively inserted into the two positioning blocks 25 to provide similar elastic clamping force for the two positioning blocks 25, so as to achieve the centering effect and position the base; referring to fig. 11, two kidney-shaped grooves 222 are formed in the lower bearing die 22, the kidney-shaped grooves 222 are respectively disposed on two sides of the through hole structure of the lower bearing die 22 corresponding to the two positioning blocks 25, the tail portions of the bolts screwed on the positioning blocks 25 are inserted into the kidney-shaped grooves 222 to serve as the limiting bolts 26, and a certain gap is always reserved between the two positioning blocks 25 through the cooperation of the limiting bolts 26 and the kidney-shaped grooves 222.

In the process that the feeding push cylinder 52 pushes the base 01 to the lower bearing die 22, the base 01 stretches the two positioning blocks 25 apart and enters the space between the two positioning blocks 25, the two positioning blocks 25 shrink under the restoring force of the positioning elastic piece 27, and the positioning and fixing of the base 01 are completed by matching the end parts of the positioning blocks 25 with the arc-shaped structure matched with the base 01.

Fig. 12 shows the feed mechanism of the base 01 and the lower die assembly 2 hidden, and fig. 12 shows the guide post 12 and the upper die 31 in a cut-away configuration to show the internal structural features. Referring to fig. 6 and 12, the feeding assembly further includes: the other vibration disc 41 is arranged on the other side of the lower die assembly 2, and the clamp spring feeding slide rail 45 is connected with a discharge hole of the vibration disc 41, the vibration disc 41 is fixed on the base table 1, and clamp spring parts are placed in the vibration disc 41; the clamp spring feeding slide rail 45 is hinged on the base station 1, and the clamp spring feeding slide rail 45 comprises a fixed slide rail 451 and a swinging slide rail 452 hinged with the fixed slide rail 451; a blanking driving piece 51 for driving the clamp spring feeding slide rail 45 to swing around the hinge axis is arranged between the clamp spring feeding slide rail 45 and the base station 1, the blanking driving piece 51 is a cylinder fixed on the base station 1 through a hinge, and a movable shaft of the cylinder is connected with a swing slide rail 452 through a hinge; the discharge end of the lower end of the clamp spring feeding slide rail 45, namely the lower end of the swing slide rail 452, is positioned between the lower die assembly 2 and the upper die assembly 3.

Referring to fig. 12, a fixing rack 481 for fixing the slide rail 451 is arranged on one side of the support column 11 close to the circlip feeding slide rail 45, a rotating rack 482 is rotatably connected to the lower side of the fixing rack 481 through a bolt shaft part, and the swing slide rail 452 is fixed on the rotating rack 482; the fixed slide rail 451 connects the swing slide rail 452 with the discharge port of the vibration plate 41, and one end of the fixed slide rail 451 close to the swing slide rail 452 is a vertical rail, so that the snap spring enters the swing slide rail 452 by gravity.

Referring to fig. 12 and 13, a track return tension spring 49 is arranged between the support column 11 and the swing slide rail 452, a long-strip-shaped spring hanging plate 14 is fixed on one side of the support column 11 away from the swing slide rail 452 through a bolt, one end of the track return tension spring 49 is hung on the spring hanging plate 14, a cylindrical rod-shaped spring hanging rod 453 is welded and fixed on one side of the swing slide rail 452 close to the support column 11, the other end of the track return tension spring 49 is hung on the spring hanging rod 453, the track return tension spring 49 assists in pulling the swing slide rail 452 back to the original position, and it is ensured that the lower end of the swing slide rail 452 is located between the upper die assembly 3 and the lower die assembly 2.

Referring to fig. 12 and 13, a feeding rod 32 is slidably inserted into the avoiding hole 313, the lower end of the feeding rod 32 can be in inserted fit with a through hole on the clamp spring 02, and the feeding rod 32 penetrates through the upper pressing die 31; the upper end of support column 11 is provided with limiting plate 13, limiting plate 13 is located the top of last moulding-die 31, material loading pole 32 runs through limiting plate 13, material loading pole 32 top is fixed with counter weight stopper 33, counter weight stopper 33 is located limiting plate 13 top, and the external diameter of counter weight stopper 33 is greater than the downthehole warp in limiting plate 13 confession material loading pole 32 through hole, hollow cylinder on material loading pole 32 is established for the cover to counter weight stopper 33, the bolt that supports that connects material loading pole 32 has been screwed on the lateral wall of counter weight stopper 33, the relative material loading pole 32's of counter weight stopper 33 position can be adjusted to the bolt that supports of loosening. Go up the lower extreme of moulding-die 31, set up along vertical direction on the lateral wall and dodge limit for height waist shape hole 314 that hole 313 communicates, limit for height waist shape hole 314 vertical setting wears to be equipped with limit for height bolt 37 in the limit for height waist shape hole 314, limit for height bolt 37 connects soon on material loading pole 32, through limit for height bolt 37 and limit for height waist shape hole 314's cooperation, limits material loading pole 32 and stretches out the length of jump ring pressure head 312.

Before stamping begins, the feeding rod 32 penetrates out of the clamp spring pressure head 312 under the action of gravity, and at the moment, the height-limiting bolt 37 is abutted against the lower end of the height-limiting waist-shaped hole 314 to limit the extending length of the feeding rod 32; after the clamping spring 02 is sleeved at the bottom end of the feeding rod 32, punching is started, in the punching process, the feeding rod 32 descends synchronously along with the upper pressing die 31 under the combined action of self gravity and gravity of the counterweight limiting block 33, so that the clamping spring 02 is sleeved on the feeding rod 32 and descends together with the feeding rod 32, and the clamping spring 03 enters the base 01 and is pressed. The arrangement of the counterweight limiting block 33 can ensure that the lower end of the feeding rod 32 is inserted into the through hole of the clamp spring 02 instead of being jacked up by the plugging resistance, and the position of the counterweight limiting block 33 relative to the feeding rod 32 is adjustable so as to adjust the position relation between the counterweight limiting block 33 and the feeding rod 32 to ensure that the feeding rod 32 and the guide post 211 are close without collision when the upper die assembly 3 and the lower die assembly 2 start to interact to apply force, namely, when the upper die assembly 3 and the lower die assembly 2 start to interact to apply force, the counterweight limiting block 33 and the limiting plate 13 are mutually collided to prevent the feeding rod 32 from continuously descending along with the upper die 31, so that the collision between the feeding rod 32 and the guide post 211 is avoided, and the feeding rod 32 and the guide post 211 are close to ensure that the clamp spring can smoothly transit from the feeding rod 32 to the guide post 211.

Referring to fig. 12 and 13, a material stopping claw 46 for preventing the snap spring 02 from falling is elastically arranged at the discharge end of the snap spring feeding slide rail 45 and the lower end of the swinging slide rail 452, the material stopping claw 46 includes a material stopping claw 461 fixed to the snap spring feeding slide rail 45 in a hinged manner, the material stopping claws 461 are arranged in two pieces and located at two sides of the conveying rail of the swinging slide rail 452, the material stopping claw 461 fixed in the hinged manner can swing on the discharge plane of the swinging slide rail 452 through a hinged point, a butting plate 462 extends from one side of the material stopping claw 461 away from the discharge port at the lower end of the swinging slide rail 452, an elastic reset plate 47 bending towards the outer side of the swinging slide rail 452 is fixed to the side wall of the swinging slide rail 452 through a bolt, and the butting plate 462 abuts against the elastic reset plate 47, so that under the action of the elastic reset plate 47, the ends of the two material stopping claws 461, which are away from the butting plate 462, are close to each other; the clamp spring 02 on the clamp spring feeding slide rail 45 can be clamped by the material stopping claw 46 after being conveyed to the position of the material stopping claw 46, and the clamp spring 02 is just coaxial with the feeding rod 32 at the moment. When the discharge end of the clamp spring feeding slide rail 45 is positioned between the lower die assembly 2 and the upper die assembly 3, the fixed slide rail 451 is opposite to the feeding notch on the swing slide rail 452. When the clamp spring 02 is inserted and fixed at the end part of the feeding rod 32, the swinging slide rail 452 swings to enable the clamp spring 02 on the feeding rod 32 to be separated from the swinging slide rail 452 from the discharging end; in the process that jump ring 02 deviates from swing slide rail 452 discharge end, can push away the material stopping claw 461 that restriction jump ring 02 dropped, that is material stopping claw 461 rotates around hinge structure, and butt plate 462 extrusion elasticity resets board 47, and elasticity resets board 47 radian is pressed and is taken place to warp, and jump ring 02 deviates from swing slide rail 452 after, elasticity resets board 47 because of self elasticity resumes the shape and promotes butt plate 462 and material stopping claw 461 and resets.

Jump ring pay-off slide rail 45 and base pay-off slide rail 42 are the arc shape pay-off track of compriseing slope track section and gentle track section, and gentle track section all is located jump ring pay-off slide rail 45 and base pay-off slide rail 42 discharge end, and the transition position of slope track section and gentle track section is provided with jet-propelled pipe 53, and the gas outlet of jet-propelled pipe 53 is towards gentle track section, and the gaseous break-make of jet-propelled pipe 53 passes through solenoid valve control. Referring to fig. 13, taking the snap spring feeding slide rail 45 as an example, the discharge end of the integrally inclined swing slide rail 452 is gradually horizontal; the inclined slide rail section, namely the inclined track section, is used for conveying the clamp spring 02 by utilizing gravity, and the gentle track section, namely the gentle track section, is used for flatly placing the clamp spring 02 so that the clamp spring 02 is in a state of being convenient for the insertion of the feeding rod 32; for preventing jump ring 02 card in the middle of gentle track section, lead to jump ring 02 can't reach the processing position, set up gas-jet pipe 53 in the peaceful track section transition position of slope track section, when needs supply the part, gas-jet pipe 53 spouts the jet-propelled part that promotes of part and advances, guarantees that the part reaches the processing position. The gas lances at the base feed slide 42 are arranged on the same principle.

The implementation principle of the embodiment 2 is as follows: the positions of the base 01 and the clamp spring 02 are adjusted to be in an assembly state through the vibration disc 41 and are conveyed to corresponding feeding slide rails to complete preparation work before equipment; the base 01 is pushed to a position between two positioning blocks 25 on the lower bearing die 22 by the feeding push cylinder 52 along the base feeding slide rail 43, so that the base 01 reaches a processing position; the clamp spring 02 is sleeved on the feeding rod 32 in an inserting manner, and swings through the swing slide rail 452 of the clamp spring feeding slide rail 45, so that the clamp spring 02 is separated from the clamp spring feeding slide rail 45, and the clamp spring feeding slide rail 45 does not interfere with the downward pressing of the upper pressing die 31; further, the clamp spring 02 and the base 01 are assembled and fixed by pressing down the upper pressing die 31. Through each driving piece of PLC control, perhaps utilize cam link gear, each mechanism of control moves according to predetermineeing the step in proper order, can realize continuous feed and suppression, effectively improves the assembly efficiency of jump ring 02 and base 01, improves the production efficiency of special solid sealing device of motor vehicle license plate.

The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic withhold machine that is used for special solid device of sealing of motor vehicle license plate to produce which characterized in that: comprises a base platform (1), a lower die component (2) fixed on the base platform (1) and an upper die component (3) fixed on the base platform (1);

the lower die assembly (2) comprises a columnar stamping lower die (21) fixed on the base station (1), a bearing lower die (22) sleeved on the stamping lower die (21) in a sliding mode and an elastic supporting piece abutted between the bearing lower die (22) and the base station (1), a through hole matched with the stamping lower die (21) in a sliding mode is formed in the bearing lower die (22) in a penetrating mode, a truncated cone-shaped guide column (211) is coaxially arranged at the upper end of the stamping lower die (21), the diameter of the upper end of the guide column (211) is smaller than that of the through hole in the clamp spring, the diameter of the lower end of the guide column (211) is larger than that of the through hole in the clamp spring, and a limiting structure for limiting the base and the guide column (211) to be coaxial is arranged on the bearing lower die (22);

the upper die assembly (3) comprises an upper pressing die (31) positioned right above the lower punching die (21) and a punching driving piece (34) for driving the upper pressing die (31) to lift and punch along the vertical direction, the driving piece is fixed on the base station (1), a columnar clamp spring pressing head (312) is arranged at the lower end of the upper pressing die (31), the clamp spring pressing head (312) is inserted into a cylinder body of the clamp spring and is abutted against the bottom of the cylinder body, and an avoiding hole (313) for avoiding the guide column (211) is formed in the clamp spring pressing head (312);

the feeding assembly comprises a base feeding slide rail (42) for conveying base parts, a base feeding slide rail (43) for connecting a discharge port of the base feeding slide rail (42) with a bearing lower die (22), and a feeding push cylinder (52) arranged on one side, far away from the lower die assembly (2), of the base feeding slide rail (42);

the limiting structure comprises two positioning blocks (25) which are arranged on the lower bearing die (22) in a sliding mode, the two positioning blocks (25) are respectively positioned on two sides of the base feeding sliding rail (43), an arc-shaped clamping jaw structure which is attached to the outline of the base is arranged at one end, opposite to the two positioning blocks (25), of each positioning block, and a positioning elastic piece (27) which forces the two positioning blocks (25) to be close to each other is arranged on the lower bearing die (22);

the end part of a movable shaft of the feeding push cylinder (52) is fixedly provided with a feeding part (44), the lower side of the feeding part (44) is provided with a feeding convex shoulder (441) structure abutted against the base, one side of the upper side of the feeding part (44) close to the lower die assembly (2) extends in the lateral direction and is connected with a discharging hinge rod (442) in a hinged mode, the hinge axis of the discharging hinge rod (442) is the horizontal axis and perpendicular to the feeding direction of the base feeding slide rail (43), and the hinge axis of the discharging hinge rod (442) is arranged on one side, away from the lower die assembly (2), of the length center of the discharging hinge rod (442).

2. The automatic crimping machine for the production of the special fixing and sealing device for the number plate of the motor vehicle as claimed in claim 1, wherein: a transition fillet is arranged between the guide column (211) and the lower stamping die (21).

3. The automatic crimping machine for the production of the special fixing and sealing device for the number plate of the motor vehicle as claimed in claim 1, wherein: the material loading subassembly still includes: the vibration disc (41) is arranged on one side of the lower die assembly (2), the vibration disc (41) is fixed on the base platform (1), and the base feeding slide rail (42) is connected with a discharge hole of the vibration disc (41); a feeding rod (32) is inserted into the avoiding hole (313) in a sliding manner, the feeding rod (32) is in inserted fit with the through hole in the clamp spring, and the feeding rod (32) penetrates through the upper pressing die (31); base station (1) is provided with support column (11), the upper end of support column (11) is provided with limiting plate (13), limiting plate (13) are located go up the top of moulding-die (31), material loading pole (32) run through limiting plate (13), limiting plate (13) are kept away from go up one side of moulding-die (31), in be fixed with counter weight stopper (33) on material loading pole (32).

4. The automatic buckling and pressing machine for the production of the special fixing and sealing device for the motor vehicle license plate as claimed in claim 3, is characterized in that: the material loading subassembly still includes: another vibration disk (41) arranged on one side of the lower die assembly (2), wherein the vibration disk (41) is fixed on the base (1); the clamping spring feeding slide rail (45) is connected with a discharging port of the vibrating disc (41), one side of a feeding end of the clamping spring feeding slide rail (45) is hinged with a supporting structure on the base platform (1), a blanking driving piece (51) for driving the clamping spring feeding slide rail (45) to swing around a hinge axis is arranged between the clamping spring feeding slide rail (45) and the base platform (1), a discharging end of the clamping spring feeding slide rail (45) is located between the lower die assembly (2) and the upper die assembly (3), and a material stopping clamping claw (46) for preventing the clamping spring from falling is elastically arranged at a discharging end of the clamping spring feeding slide rail (45); when a clamp spring on the clamp spring feeding slide rail (45) is abutted to the material stopping clamping claw (46), the clamp spring is coaxial with the feeding rod (32).

5. The automatic buckling and pressing machine for the production of the special fixing and sealing device for the motor vehicle license plate as claimed in claim 4, is characterized in that: jump ring pay-off slide rail (45) with base pay-off slide rail (42) are the arc shape pay-off track of constituteing by slope track section and gentle track section, and the transition position of slope track section and gentle track section is provided with jet-propelled pipe (53), and the gas outlet of jet-propelled pipe (53) is towards gentle track section.

6. The automatic buckling and pressing machine for the production of the special fixing and sealing device for the motor vehicle license plate as claimed in claim 4, is characterized in that: a fixing frame (481) for fixing the clamp spring feeding slide rail (45) is arranged on one side, close to the clamp spring feeding slide rail (45), of the support column (11), and a rotating frame (482) is rotatably connected to the lower side of the fixing frame (481);

jump ring pay-off slide rail (45) are including fixing fixed slide rail (451) on mount (481) with fix swing slide rail (452) on rotating turret (482), swing slide rail (452) and vibration dish (41) are connected in fixed slide rail (451), fixed slide rail (451) are close to the track of the one end of swing slide rail (452) for vertical setting, the discharge end of jump ring pay-off slide rail (45) is located lower mould subassembly (2) with when going up between the mould subassembly (3), fixed slide rail (451) with notch on the swing slide rail (452) is just right.

7. The automatic buckling and pressing machine for the production of the special fixing and sealing device for the motor vehicle license plates as claimed in claim 6, is characterized in that: and a track reset tension spring (49) is arranged between the supporting column (11) and the swinging sliding rail (452).

8. The automatic crimping machine for the production of the special fixing and sealing device for the number plate of the motor vehicle as claimed in claim 1, wherein: two kidney-shaped grooves (222) are formed in the bearing lower die (22), the kidney-shaped grooves (222) correspond to the two positioning blocks (25) and are respectively arranged on two sides of the base feeding sliding rail (43), the positioning blocks (25) are connected with limiting bolts (26) inserted into the kidney-shaped grooves (222) in a rotating mode, and a certain gap is reserved between the positioning blocks (25) all the time through the matching of the limiting bolts (26) and the kidney-shaped grooves (222).