CN111872189B - Auto-parts production is with automatic rounding machine - Google Patents

Abstract

The invention discloses an automatic rounding machine for automobile part production, which relates to the technical field of automobile part processing and comprises a workbench, wherein a side plate perpendicular to the workbench is fixedly arranged on the workbench, a first compression roller mechanism and a movable compression roller mechanism matched with the first compression roller mechanism are fixedly arranged on the workbench, a turntable mechanism which is fixedly connected with the side plate and can slide up and down is arranged above the first compression roller mechanism, the turntable mechanism comprises a fluted disc which is horizontally arranged, a limiting mechanism, a feeding mechanism and a discharging mechanism are uniformly arranged on the fluted disc along one circle of the axial lead of the fluted disc, and the position of the limiting mechanism corresponds to that of the first compression roller mechanism up and down. The first press roller mechanism is matched with the movable press roller mechanism and the turntable mechanism, so that the side wall of the workpiece is extruded and formed.

Description

Auto-parts production is with automatic rounding machine

Technical Field

The invention relates to the technical field of automobile part processing, in particular to an automatic rounding machine for automobile part production.

Background

Automobile parts, as the basis of the automotive industry, are essential factors supporting the continued healthy development of the automotive industry. The automobile parts processing is each unit constituting the automobile parts processing entirety and a product serving for the automobile parts processing. Automotive accessories include engine accessories, drive train accessories, brake train accessories, steering train accessories, running train accessories, and the like.

In the production of fittings for various systems, a large number of tubular parts are required and certain shapes are required to be formed on the side wall of the tubular parts, for example, an air bag fitting, the side wall of the air bag fitting cannot be formed with reinforcing ribs around the periphery of the air bag fitting in the continuous die production, so that the workpiece needs to be further processed after the continuous die production, and the problem cannot be solved by the prior art, so that a processing device with rapid processing is urgently needed for processing the side wall of the air bag fitting.

Disclosure of Invention

The invention aims to provide an automatic rounding machine for producing automobile parts, which is used for machining the side wall of an automobile tubular part.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an auto-rounding machine is used in auto-parts production, including the workstation, fixed mounting has the perpendicular to on the workstation the curb plate of workstation, fixed mounting has first compression roller mechanism and activity compression roller mechanism on the workstation, activity compression roller mechanism is located the side of first compression roller mechanism, fixed connection gliding carousel mechanism from top to bottom on the curb plate, carousel mechanism is located first compression roller mechanism top, carousel mechanism is including horizontal installation's fluted disc, stop gear, feed mechanism and shedding mechanism are installed along a week of its axial lead direction to the fluted disc.

Preferably, first compression roller mechanism including with workstation fixed connection's first base, install driving motor in the first base, driving motor's rotor link up first base extends to the outside, the first compression roller of fixedly connected with on driving motor's the rotor, the side of first compression roller has the boss along its week shaping, the axis of rotation line of first compression roller is vertical direction.

Preferably, the movable compression roller mechanism comprises a second base fixedly connected with the workbench, the second base is fixedly connected with a sliding base plate through a sliding rail, a first electric push rod is fixedly connected to the second base, a push rod end of the first electric push rod is fixedly connected with the sliding base plate, a compression roller seat is fixedly connected to the sliding base plate and is close to one end of the first compression roller, a mounting groove is formed in the mounting groove, a first rotating shaft penetrates through the mounting groove from top to bottom, the first rotating shaft is fixedly connected with a second compression roller through a bearing, and a third groove is formed in the side face of the second compression roller along one periphery of the side face of the second compression roller.

Preferably, the bottom surface of the second compression roller and the highest point of the boss are on the same horizontal plane, and the height from the third groove to the table top of the working table is smaller than the height from the highest point of the first compression roller to the table top of the working table.

Preferably, carousel mechanism is including the third base, the third base pass through the slide rail with curb plate fixed connection, install second electric putter on the curb plate, second electric putter's push rod end with third base fixed connection, fixedly connected with on the third base with curb plate vertically base plate, the shoulder hole has been seted up on the base plate, the cooperation is installed in the shoulder hole the fluted disc, the spacing ring of its up-and-down motion of restriction is installed to the fluted disc top, the spacing ring with base plate fixed connection, install on the third base with fluted disc matched with servo motor, install the gear on servo motor's the rotor, the fluted disc with gear engagement.

Preferably, the feeding mechanism comprises a first cylinder which penetrates through the fluted disc and is fixedly connected with the fluted disc, a cavity is formed in the side wall of the first cylinder, a discharging mechanism is installed in the cavity, the discharging mechanism comprises an ejector rod, one end of the ejector rod penetrates through the end face, close to the first compression roller, of the first cylinder and extends to the outside, a first tooth is formed at the other end of the ejector rod, a first spring is fixedly connected at one end of the ejector rod, the first tooth is formed at the other end of the ejector rod, the first spring tightly pushes the top wall of the cavity, a clamping structure is meshed with the first tooth, the clamping structure comprises a connecting rod matched with the ejector rod, a limiting rod is hinged at one end of the connecting rod, a limiting pressing block is hinged at the other end of the connecting rod, the limiting pressing block is located above the limiting rod, and the limiting rod and the limiting pressing block respectively penetrate through the inner side wall of the first cylinder and are communicated with the outside, the connecting rod is in the through-hole has been seted up between the gag lever post and the spacing briquetting, the through-hole passes through bearing fixedly connected with second pivot, the second pivot with the lateral wall fixed connection of cavity, the connecting rod is in the shaping has the second tooth in the circumferencial direction of through-hole, the second tooth with first tooth meshing.

Preferably, stop gear including through the bearing with fluted disc lower surface fixed connection's rotation axis, the rotation axis is kept away from the spacing roller of one end fixedly connected with of fluted disc, spacing roller is kept away from the one end of rotation axis has seted up the second recess, spacing roller is kept away from the terminal surface of rotation axis is covered and is prevented scraping the layer.

Preferably, shedding mechanism is including having a perfect understanding fluted disc and rather than fixed connection's second drum, the second drum is close to the mounting hole has been seted up to the inside wall of first compression roller one end, the mounting hole is close to the first stopper of fixedly connected with on the lateral wall of opening part, the barb piece is installed to the mounting hole fit in, the barb piece extends to the outside of mounting hole, the shaping has on the barb piece with first stopper matched with second stopper, the barb piece is close to the one end fixedly connected with second spring of mounting hole bottom surface, second spring other end top is tight the side of mounting hole, the barb piece is kept away from the one end shaping of second spring has the inclined plane, the direction orientation on inclined plane the second drum is close to the nozzle of first compression roller.

Preferably, the end face, far away from the driving motor, of the first pressing roller is covered with a first anti-slip layer.

Preferably, the end face, far away from the connecting rod, of the limiting pressing block is covered with a second anti-skidding layer. The invention has the beneficial effects that:

1. when the invention is used for production, the fluted disc is driven to rotate by the servo motor, the adjusting feeding mechanism is positioned right above the first press roller, then the whole turntable mechanism slides downwards by the second electric push rod, so that a workpiece is sleeved on the first press roller, then the whole turntable mechanism slides upwards by the second electric push rod, then the servo motor drives the fluted disc to rotate, the adjusting limiting mechanism is positioned right above the first press roller, then the whole turntable mechanism slides downwards by the second electric push rod, so that the limiting mechanism presses the workpiece, the second press roller and the first press roller on the movable press roller mechanism extrude the workpiece by the first electric push rod, then the drive motor drives the clamped workpiece to rotate, so that the second press roller and the limiting mechanism are driven to rotate, the side wall of the workpiece is extruded, and the workpiece is loosened in sequence after rounding, the unloading mechanism is driven by the servo motor to be adjusted to be located right above the first compression roller, then the rotary table mechanism slides downwards, the unloading mechanism hooks the workpiece, then the rotary table mechanism slides upwards to take down the workpiece on the first compression roller, one-time rounding work is completed, the forming of the side wall is completed, the cold compression workpiece is accompanied by additional compression stress, therefore, the bending strength of the workpiece is also improved, manual operation can be reduced by automatically placing and taking down the workpiece, and the production efficiency is improved.

2. The feeding mechanism comprises a first cylinder which penetrates through a fluted disc and is fixedly connected with the fluted disc, a cavity is formed in the side wall of the first cylinder, a discharging mechanism is installed in the cavity, the discharging mechanism comprises an ejector rod, one end of the ejector rod penetrates through the end face, close to a first compression roller, of the first cylinder and extends to the outside, a first tooth is formed at the other end of the ejector rod, a first spring is fixedly connected at one end of the ejector rod, the first tooth is formed in the first cylinder, the other end of the first spring abuts against the top wall of the cavity, a clamping structure is meshed with the first tooth, the clamping structure comprises a connecting rod matched with the ejector rod, a limiting rod is hinged at one end of the connecting rod, a limiting pressing block is hinged at the other end of the connecting rod, the limiting pressing block is located above the limiting rod, the limiting rod and the limiting pressing block are respectively communicated with the outside through the inner side wall of the first cylinder, a through hole is formed between the limiting rod and the limiting pressing block, and a second rotating shaft is fixedly connected with the through a bearing, the second rotating shaft is fixedly connected with the side wall of the cavity, a second tooth is formed on the connecting rod in the circumferential direction of the through hole, and the second tooth is meshed with the first tooth. The workpieces are stacked and placed in the first cylinder, when the feeding mechanism is adjusted to be right above the first compression roller, when the turntable mechanism integrally slides downwards, the ejector rod pushes the first base to enable the ejector rod to move upwards, the connecting rod is driven to rotate, the limiting pressing block moves outwards to press a penultimate workpiece, the limiting rod moves inwards to release the penultimate workpiece, the penultimate workpiece falls onto the first compression roller, feeding work is completed, when the turntable mechanism integrally slides upwards, the first spring pushes the ejector rod to reset, the connecting rod is driven to rotate to reset, the limiting rod moves outwards, the limiting pressing block moves inwards to release the penultimate workpiece, the penultimate workpiece falls and is hooked and limited by the limiting rod, resetting work of the feeding mechanism is completed, the workpieces can be placed automatically, manual operation is not needed, safety of workers is protected, and production efficiency is improved.

3. When the workpiece is extruded, the workpiece is placed on the first compression roller through the feeding mechanism, the turntable mechanism is adjusted to enable the limiting roller to be matched with the first compression roller to clamp the workpiece, the second compression roller is matched with the first compression roller to prop against the side wall of the workpiece through the first electric push rod, the workpiece is extruded, the shape of the side wall of the workpiece is the same as that of the side wall of the second compression roller, and the workpiece is machined.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic front view of the structure of FIG. 1;

FIG. 3 is a side view of the structure of FIG. 1;

FIG. 4 is a schematic structural view of a first roll mechanism;

FIG. 5 is a schematic structural view of a movable platen mechanism;

FIG. 6 is a schematic structural view of the present invention without the turntable mechanism and the spacing ring installed;

FIG. 7 is an enlarged schematic view of the structure at A in FIG. 6;

FIG. 8 is a schematic bottom view of the turntable mechanism;

FIG. 9 is a schematic structural view of a feeding mechanism;

FIG. 10 is an enlarged view of the structure at B in FIG. 9;

FIG. 11 is a schematic structural view of a discharge mechanism;

FIG. 12 is a schematic structural view of a position-limiting mechanism;

FIG. 13 is a schematic diagram of the structure of the workpiece before machining;

FIG. 14 is a schematic side view of a machined workpiece;

fig. 15 is a schematic view of a structure in processing a workpiece.

In the figure: 1. a work table; 2. a side plate; 3. a first press roller mechanism; 31. a first base; 32. a drive motor; 33. a first press roll; 34. a first non-slip layer; 35. a boss; 4. a movable press roller mechanism; 41. a second base; 42. mounting grooves; 43. a sliding substrate; 44. a press roller seat; 45. a second press roll; 46. a first electric push rod; 47. a first rotating shaft; 48. a third groove; 5. a turntable mechanism; 51. a third base; 52. a substrate; 53. a second electric push rod; 54. a limiting ring; 55. a servo motor; 56. a stepped hole; 57. a gear; 6. a fluted disc; 7. a limiting mechanism; 71. a limiting roller; 72. a rotating shaft; 73. a second groove; 74. a scratch-resistant layer; 8. a feeding mechanism; 81. a first cylinder; 82. a cavity; 83. a discharging mechanism; 84. a top rod; 85. a first tooth; 86. a clamping structure; 861. a connecting rod; 862. a limiting rod; 863. a limiting pressing block; 864. a through hole; 865. a second tooth; 866. a second non-slip layer; 867. a second rotating shaft; 87. a first spring; 9. a discharging mechanism; 91. a second cylinder; 92. mounting holes; 93. a first stopper; 94. a barb block; 95. a second limiting block; 96. a second spring; 97. a bevel; 10. a workpiece; 101. a stepped cylinder; 102. a retaining wall.

Detailed Description

The present invention now will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to the attached drawings, the automatic rounding machine for automobile accessory production comprises a workbench 1, a side plate 2 perpendicular to the workbench 1 is fixedly mounted on the workbench 1, a first compression roller mechanism 3 and a movable compression roller mechanism 4 are fixedly mounted on the workbench 1, the movable compression roller mechanism 4 is located on the side of the first compression roller mechanism 3, a turntable mechanism 5 capable of sliding up and down is fixedly connected to the side plate 2, the turntable mechanism 5 is located above the first compression roller mechanism 3, the turntable mechanism 5 comprises a fluted disc 6 horizontally mounted, a limiting mechanism 7, a feeding mechanism 8 and a discharging mechanism 9 are mounted on the fluted disc 6 along the periphery of the fluted disc 6 in the axial lead direction, and when the fluted disc 6 rotates, the limiting mechanism 7, the feeding mechanism 8 and the discharging mechanism 9 can be in up-down one-to-one correspondence with the first compression roller mechanism 3 respectively.

Specific, first compression roller mechanism 3 including with 1 fixed connection's of workstation first base 31, install driving motor 32 in the first base 31, driving motor 32's rotor link up first base 31 extends to the outside, the first compression roller 33 of fixedly connected with on driving motor 32's the rotor, the side of first compression roller 33 has boss 35 along its week shaping, the axis of rotation of first compression roller 33 is vertical direction, and during the use, thereby driving motor 32 rotates and drives work piece 10 rotatory, provides power for the rounding work, and during the use, the cover is equipped with work piece 10 on first compression roller mechanism 3, work piece 10 is at least including notch cuttype drum 101 and the clamping wall 102 of shaping in notch cuttype drum 101 terminal surface, carries out extrusion processing to the lateral wall of work piece 10.

Specifically, the movable pressing roller mechanism 4 includes a second base 41 fixedly connected to the workbench 1, the second base 41 is fixedly connected to a sliding base plate 43 through a sliding rail, a first electric push rod 46 is fixedly connected to the second base 41, a push rod end of the first electric push rod 46 is fixedly connected to the sliding base plate 43, a pressing roller seat 44 is fixedly connected to the sliding base plate 43, an installation groove 42 is formed in one end of the pressing roller seat 44 close to the first pressing roller 33, a first rotating shaft 47 penetrates the installation groove 42 from top to bottom, the first rotating shaft 47 is fixedly connected to a second pressing roller 45 through a bearing, a bottom surface of the second pressing roller 45 and a highest point of the boss 35 are on the same horizontal plane, and a height from the third groove 48 to the top of the workbench 1 is smaller than a height from the highest point of the first pressing roller 33 to the top of the workbench 1, the first electric push rod 46 can control the sliding base plate 43 to slide along the sliding rail direction, so that the second press roller 45 can be pressed against the first press roller 33,

specifically, the turntable mechanism 5 includes a third base 51, the third base 51 is fixedly connected with the side plate 2 through a slide rail, the side plate 2 is provided with a second electric push rod 53, the push rod end of the second electric push rod 53 is fixedly connected with the third base 51, the third base 51 is fixedly connected with a substrate 52 perpendicular to the side plate 2, the substrate 52 is provided with a stepped hole 56, the fluted disc 6 is installed in the stepped hole 56 in a matching manner, a limit ring 54 for limiting the up-and-down movement of the fluted disc 6 is installed above the fluted disc 6, the limit ring 54 is fixedly connected with the substrate 52, the third base 51 is provided with a servo motor 55 matched with the fluted disc 6, a rotor of the servo motor 55 is provided with a gear 57, the fluted disc 6 is meshed with the gear 57, and the turntable mechanism 5 can adjust the rotation position of the fluted disc 6 through the servo motor 55, the second electric push rod 53 controls the turntable mechanism 5 to slide up and down, and the feeding mechanism 8, the limiting mechanism 7 and the discharging mechanism 9 can be respectively positioned right above the first pressing roller 33 and slide up and down according to the processing flow of the workpiece 10, so that the functions of placing the workpiece 10, limiting and clamping the workpiece 10 and taking down the workpiece 10 are respectively realized.

Specifically, the feeding mechanism 8 includes a first cylinder 81 penetrating through the fluted disc 6 and fixedly connected thereto, a cavity 82 is formed inside a side wall of the first cylinder 81, a discharging mechanism 83 is installed in the cavity 82, the discharging mechanism 83 includes a top rod 84, one end of the top rod 84 penetrates through an end surface of the first cylinder 81 close to the first press roller 33 and extends to the outside, a first tooth 85 is formed at the other end of the first cylinder, a first spring 87 is fixedly connected to one end of the top rod 84 at which the first tooth 85 is formed, the other end of the first spring 87 tightly props against a top wall of the cavity, the first tooth 85 is engaged with a clamping structure 86, the clamping structure 86 includes a connecting rod 861 matched with the top rod 84, one end of the connecting rod 861 is hinged with a limit rod 862, the other end of the connecting rod is hinged with a limit press block 863, the limit press block 863 is located above the limit rod 862, the limit rod 862 and the limit pressing block 863 respectively penetrate through the inner side wall of the first cylinder 81 to be communicated with the outside, a through hole 864 is formed between the limit rod 862 and the limit pressing block 863 by the connecting rod 861, the through hole 864 is fixedly connected with a second rotating shaft 867 through a bearing, the second rotating shaft 867 is fixedly connected with the side wall of the cavity 82, a second tooth 865 is formed on the connecting rod 861 in the circumferential direction of the through hole 864, and the second tooth 865 is meshed with the first tooth 85. When the feeding mechanism 8 is adjusted to be right above the first press roll 33, when the turntable mechanism 5 integrally slides downwards, the ejector rod 84 pushes the first base 31 to enable the ejector rod 84 to move upwards, so that the connecting rod 861 is driven to rotate to enable the limiting pressing block 863 to move outwards to press the penultimate workpiece 10, the limiting rod 862 moves inwards to release the penultimate workpiece 10, the penultimate workpiece 10 falls onto the first press roll 33 to complete feeding, and then when the turntable mechanism 5 integrally slides upwards, the first spring 87 pushes the ejector rod 84 to reset to drive the connecting rod 861 to rotate and reset to enable the limiting rod 862 to move outwards, the limiting pressing block 866 moves inwards to release the penultimate workpiece 10, and the penultimate workpiece 10 falls and is hooked and limited by the limiting rod to complete resetting of the feeding mechanism 8.

Specifically, the limiting mechanism 7 includes a rotating shaft 72 fixedly connected to the lower surface of the fluted disc 6 through a bearing, one end of the rotating shaft 72, which is far away from the fluted disc 6, is fixedly connected with a limiting roller 71, one end of the limiting roller 71, which is far away from the rotating shaft 72, is provided with a second groove 73, and the end surface of the limiting roller 71, which is far away from the rotating shaft 72, is covered with a scratch-proof layer 74. The scratch-resistant layer 74 may be made of a high-elasticity polymer material, and is configured to prevent damage to the workpiece 10 when clamping the workpiece 10, and when the limiting mechanism 7 is adjusted to be directly above the first pressing roller 33, during the downward sliding of the entire turntable mechanism 5, the scratch-resistant layer 74 on the limiting roller 71 abuts against the workpiece 10 so as to cooperate with the first pressing roller 33 to clamp the workpiece 10.

Specifically, the discharging mechanism 9 comprises a second cylinder 91 which penetrates through the fluted disc 6 and is fixedly connected with the fluted disc, the inner side wall of the second cylinder 91 near one end of the first pressing roller 33 is provided with a mounting hole 92, a first limit block 93 is fixedly connected to the side wall of the mounting hole 92 close to the opening, a barb block 94 is arranged in the mounting hole 92 in a matching way, the barb block 94 extends to the outside of the mounting hole 92, a second limit block 95 matched with the first limit block 93 is formed on the barb block 94, a second spring 96 is fixedly connected to one end of the barb block 94 close to the bottom surface of the mounting hole 92, the other end of the second spring 96 is tightly pressed against the side surface of the mounting hole 92, an inclined surface 97 is formed at one end of the barb block 94 far away from the second spring 96, the direction of the inclined surface 97 is toward the second cylinder 91 near the opening of the first pressing roller 33. When the unloading mechanism 9 is adjusted to be right above the first pressing roller 33, when the turntable mechanism 5 integrally slides downwards, the workpiece 10 on the first pressing roller 33 abuts against the inclined surface 97, so that the barb block 94 moves inwards, the downward sliding is continued, the position of the barb block 94 is located below the workpiece 10, then the turntable mechanism 5 integrally slides upwards, the barb block 94 hooks the workpiece 10 together to move upwards, and the unloading work of the unloading mechanism 9 is completed.

Specifically, the end surface of the first press roller 33 away from the driving motor 32 is covered with a first anti-slip layer 34. The first anti-slip layer 34 may be made of a high-elasticity polymer material, and when the workpiece 10 is clamped by the limiting mechanism 7, the first anti-slip layer 34 may increase the friction force with the workpiece 10 to prevent slipping.

Specifically, the end face of the limiting pressing block 863, which is far away from the connecting rod 861, is covered with a second anti-slip layer 866. The second anti-slip layer 866 may be a highly elastic polymer material for increasing friction with the workpiece 10 to prevent slipping.

The working principle is as follows: when the device is used in production, the fluted disc 6 is driven to rotate by the servo motor 55, the adjusting feeding mechanism 8 is positioned right above the first press roller 33, then the whole turntable mechanism 5 slides downwards by the second electric push rod 53, so that the workpiece 10 is sleeved on the first press roller 33, then the whole turntable mechanism 5 slides upwards by the second electric push rod 53, then the servo motor 55 is driven to drive the fluted disc 6 to rotate, the adjusting limiting mechanism 7 is positioned right above the first press roller 33, then the whole turntable mechanism 5 slides downwards by the second electric push rod 53, so that the limiting mechanism 7 presses the workpiece 10, the second press roller 45 and the first press roller 33 on the movable press roller mechanism 4 extrude the workpiece by the first electric push rod 46, then the drive motor 32 drives the clamped workpiece 10 to rotate, so that the second press roller 45 and the limiting mechanism 7 are driven to rotate, the side wall of the workpiece 10 is extruded, the workpiece is loosened in sequence after rounding, the unloading mechanism 9 is driven and adjusted to be positioned right above the first press roller through the servo motor 55, then the turntable mechanism 5 slides downwards, so that the unloading mechanism 9 hooks the workpiece 10, then the turntable mechanism 5 slides upwards, and the workpiece 10 on the first press roller 33 is taken down, and one-time rounding operation is completed.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. The utility model provides an auto-parts production is with automatic rounding machine, including workstation (1), fixed mounting has the perpendicular to on workstation (1) curb plate (2) of workstation (1), its characterized in that: a first compression roller mechanism (3) and a movable compression roller mechanism (4) are fixedly mounted on the workbench (1), the movable compression roller mechanism (4) is located on the side of the first compression roller mechanism (3), a turntable mechanism (5) capable of sliding up and down is fixedly connected to the side plate (2), the turntable mechanism (5) is located above the first compression roller mechanism (3), the turntable mechanism (5) comprises a fluted disc (6) which is horizontally mounted, and a limiting mechanism (7), a feeding mechanism (8) and a discharging mechanism (9) are mounted on the fluted disc (6) along the periphery of the axis direction of the fluted disc;

the first pressing roller mechanism (3) comprises a first base (31) fixedly connected with the workbench (1), a driving motor (32) is installed in the first base (31), a rotor of the driving motor (32) penetrates through the first base (31) and extends to the outside, a first pressing roller (33) is fixedly connected to the rotor of the driving motor (32), a boss (35) is formed on the side surface of the first pressing roller (33) along the periphery of the first pressing roller, and the rotating axis of the first pressing roller (33) is in the vertical direction;

the movable compression roller mechanism (4) comprises a second base (41) fixedly connected with the workbench (1), the second base (41) is fixedly connected with a sliding base plate (43) through a sliding rail, a first electric push rod (46) is fixedly connected onto the second base (41), the push rod end of the first electric push rod (46) is fixedly connected with the sliding base plate (43), a compression roller seat (44) is fixedly connected onto the sliding base plate (43), one end, close to the first compression roller (33), of the compression roller seat (44) is provided with a mounting groove (42), a first rotating shaft (47) penetrates through the mounting groove (42) from top to bottom, the first rotating shaft (47) is fixedly connected with a second compression roller (45) through a bearing, and the side surface of the second compression roller (45) is provided with a third groove (48) along one circumference thereof;

the turntable mechanism (5) comprises a third base (51), the third base (51) is fixedly connected with the side plate (2) through a sliding rail, a second electric push rod (53) is installed on the side plate (2), the push rod end of the second electric push rod (53) is fixedly connected with the third base (51), the third base (51) is fixedly connected with a substrate (52) perpendicular to the side plate (2), a stepped hole (56) is formed in the substrate (52), the fluted disc (6) is installed in the stepped hole (56) in a matched mode, a limit ring (54) for limiting the fluted disc (6) to move up and down is installed above the fluted disc (6), the limit ring (54) is fixedly connected with the substrate (52), a servo motor (55) matched with the fluted disc (6) is installed on the third base (51), and a gear (57) is installed on a rotor of the servo motor (55), the fluted disc (6) is meshed with the gear (57);

the feeding mechanism (8) comprises a first cylinder (81) which penetrates through the fluted disc (6) and is fixedly connected with the fluted disc, a cavity (82) is formed in the side wall of the first cylinder (81), a discharging mechanism (83) is installed in the cavity (82), the discharging mechanism (83) comprises a push rod (84), one end of the push rod (84) penetrates through the end face, close to the first compression roller (33), of the first cylinder (81) and extends to the outside, a first tooth (85) is formed at the other end of the first cylinder, a first spring (87) is fixedly connected with one end, provided with the first tooth (85), of the push rod (84), the other end of the first spring (87) props against the top wall of the cavity, a clamping structure (86) is meshed with the first tooth (85), the clamping structure (86) comprises a connecting rod (861) which is matched with the push rod (84), one end of the connecting rod (861) is hinged with a limiting rod (862), the other end of the connecting rod is hinged with a limiting pressing block (863), the limiting pressing block (863) is located above the limiting rod (862), the limiting rod (862) and the limiting pressing block (863) respectively penetrate through the inner side wall of the first cylinder (81) to be communicated with the outside, a through hole (864) is formed between the limiting rod (862) and the limiting pressing block (863) through the connecting rod (861), a second rotating shaft (867) is fixedly connected with the through hole (864) through a bearing, the second rotating shaft (867) is fixedly connected with the side wall of the cavity (82), a second tooth (865) is formed on the connecting rod (861) in the circumferential direction of the through hole (864), and the second tooth (865) is meshed with the first tooth (85);

the discharging mechanism (9) comprises a second cylinder (91) which is communicated with the fluted disc (6) and fixedly connected with the fluted disc, a mounting hole (92) is formed in the inner side wall of one end, close to the first pressing roller (33), of the second cylinder (91), a first limiting block (93) is fixedly connected to the side wall, close to the opening, of the mounting hole (92), a barb block (94) is installed in the mounting hole (92) in a matched mode, the barb block (94) extends to the outer portion of the mounting hole (92), a second limiting block (95) matched with the first limiting block (93) is formed on the barb block (94), a second spring (96) is fixedly connected to one end, close to the bottom face of the mounting hole (92), of the barb block (94), the other end of the second spring (96) abuts against the side face of the mounting hole (92), and an inclined face (97) is formed at one end, far away from the second spring (96), of the barb block (94), the direction of the inclined surface (97) is towards the second cylinder (91) to be close to the opening of the first pressing roller (33).

2. The automatic rounding machine for automobile part production according to claim 1, characterized in that: the bottom surface of the second pressing roller (45) and the highest point of the boss (35) are on the same horizontal plane, and the height from the third groove (48) to the table top of the workbench (1) is smaller than the height from the highest point of the first pressing roller (33) to the table top of the workbench (1).

3. The automatic rounding machine for automobile part production according to claim 1, characterized in that: stop gear (7) including through the bearing with fluted disc (6) lower surface fixed connection's rotation axis (72), rotation axis (72) are kept away from the spacing roller (71) of one end fixedly connected with of fluted disc (6), spacing roller (71) are kept away from second recess (73) have been seted up to the one end of rotation axis (72), spacing roller (71) are kept away from the terminal surface of rotation axis (72) is covered and is prevented scraping layer (74).

4. The automatic rounding machine for automobile parts production according to claim 1, characterized in that: the end face, away from the driving motor (32), of the first pressing roller (33) is covered with a first anti-slip layer (34).

5. The automatic rounding machine for automobile part production according to claim 1, characterized in that: the end face, far away from the connecting rod (861), of the limiting pressing block (863) is covered with a second anti-slip layer (866).

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