CN209920435U - Hydraulic oil pipe joint die of numerical control machine tool - Google Patents
Hydraulic oil pipe joint die of numerical control machine tool Download PDFInfo
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- CN209920435U CN209920435U CN201920125001.7U CN201920125001U CN209920435U CN 209920435 U CN209920435 U CN 209920435U CN 201920125001 U CN201920125001 U CN 201920125001U CN 209920435 U CN209920435 U CN 209920435U
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Abstract
A kind of NC machine tool hydraulic oil union joint mould, relate to a kind of injection mould, including fixed die plate, movable mould plate, die carrier, mechanism of loosing core, fixed die plate, movable mould plate install the die cavity insert used for moulding the step hole of one in the corresponding die cavity, the first bolster plate, second bolster plate are installed between movable mould plate and the foot of the die carrier, the contact surface of the fixed die plate and movable mould plate is the first die opening surface; the contact surface between the movable template and the first cushion plate is a second die opening surface; the core pulling mechanism comprises a half slider side core pulling mechanism and an internal thread core pulling mechanism, wherein the half slider side core pulling mechanism is used for molding and demolding an upper-section external thread and a middle-section clamping bayonet of a plastic part; the internal thread core-pulling mechanism is arranged between the movable template and the first and second backing plates. The utility model discloses can guarantee the automatic batch production that oil pipe connects, have structural configuration compactness, simple and practical, reliability height, long service life's characteristics, have better engineering design reference value.
Description
Technical Field
The utility model relates to an injection mold, especially a digit control machine tool hydraulic pressure oil pipe joint mould.
Background
The oil pipe joint is an important part of a numerical control machine tool accessory, is applied to the conduction of liquid media in occasions such as lubrication, cooling and the like of movable parts of the numerical control machine tool, has low general pressure requirement but has high requirement on sealing performance. The connection between the oil pipe joint and the pipeline is generally provided with an anchor ear clamping type and a nut sleeving and pressing type so as to ensure the tightness of the connection between the oil pipe joint and the pipeline. When the nut is adopted for sleeving and pressing, an internal thread and an external thread are generally required to be designed for the oil pipe joint, and an oil pipe joint structure schematic diagram with the internal thread and the external thread is disclosed in fig. 7-10.
Disclosure of Invention
The to-be-solved technical problem of the utility model is: the utility model provides a digit control machine tool hydraulic oil coupling mould to guarantee the automatic batch production of oil pipe joint plastic parts.
The technical scheme for solving the technical problems is as follows: a numerical control machine tool hydraulic oil pipe joint die comprises a fixed die, a movable die, a die carrier and a core-pulling mechanism, wherein the fixed die comprises a fixed die plate, the movable die comprises a movable die plate, the die carrier comprises a die pin and a guide pillar and guide sleeve assembly, die cavity inserts for forming upper and middle section step holes of an oil pipe joint are installed in corresponding die cavities of the fixed die plate and the movable die plate, a first base plate and a second base plate are also installed between the die pin of the die carrier and the movable die plate, and a contact surface between the fixed die plate and the movable die plate is a first die opening surface P; the contact surface between the movable template and the first base plate is a second die opening surface P; the core pulling mechanism comprises a half slider side core pulling mechanism for molding and demolding an upper-section external thread and a middle-section clamping bayonet of the oil pipe joint and also comprises an internal thread core pulling mechanism for demolding an internal thread hole at a lower section of the oil pipe joint, and the half slider side core pulling mechanism is arranged between the fixed template and the movable template; the internal thread core-pulling mechanism is arranged between the movable template and the first and second backing plates.
The utility model discloses a further technical scheme is: the half slider side core-pulling mechanism comprises a left slider, a right slider and an inclined guide post, wherein the left slider and the right slider are respectively arranged on the left side and the right side of a cavity, the left slider and the right slider are provided with slider cavities matched with the upper section and the middle section of an oil pipe joint in shape, the left slider and the right slider are arranged between a fixed template and a movable template, and slider guide strips are also arranged between the bottoms of the left slider and the right slider and the movable template; the outer sides of the left sliding block and the right sliding block are provided with sliding block locking blocks; the inclined guide post is arranged between the fixed die plate, the left sliding block or the right sliding block and the movable die plate and is used for driving the left sliding block or the right sliding block to perform core-pulling movement towards the outer side.
The utility model discloses a further technical scheme is: the inclined guide columns comprise a first inclined guide column, a second inclined guide column, a third inclined guide column and a fourth inclined guide column, the first inclined guide column and the second inclined guide column are arranged between the fixed die plate, the right sliding block and the movable die plate, and the third inclined guide column and the fourth inclined guide column are arranged between the fixed die plate, the left sliding block and the movable die plate.
The utility model discloses a further technical scheme is: a sliding block wear-resisting plate is also arranged between the bottoms of the left sliding block and the right sliding block and the movable template; and sliding block pressing strips are also arranged between the side parts of the left sliding block and the right sliding block and the movable template.
The utility model discloses a further technical scheme is: the internal thread core pulling mechanism comprises a power device, a power transmission device, a thread core gear and a thread core fixing device, wherein the thread core is fixed on a first base plate and a second base plate through the thread core fixing device, the thread core gear is installed at the lower end of the thread core, and the thread core gear is connected with the output end of the power device through the power transmission device.
The utility model discloses a further technical scheme is again: the threaded core fixing device comprises an end face bearing, an upper bearing, a lower bearing and a locking sheet, wherein the end face bearing and the upper bearing are arranged on the middle upper part of the threaded core, and the lower bearing and the locking sheet are arranged at the bottom end of the threaded core.
The utility model discloses a further technical scheme is again: the power transmission device comprises a chain, a driving shaft gear, an intermediate driving shaft and a driving gear, wherein one end of the chain is connected with the output end of the power device, the other end of the chain is meshed with the driving shaft gear, the driving shaft gear and the driving gear are respectively arranged on the intermediate driving shaft, and the driving gear is connected with the threaded core gear.
The utility model discloses a further technical scheme is: : the guide post and guide sleeve assemblies are four in number, and one guide post and guide sleeve assembly is eccentrically arranged to prevent the templates from being assembled wrongly; the guide post in the guide post and guide sleeve assembly adopts a double-end guide post, and the upper and lower ends of the guide post are respectively matched with the upper guide sleeve and the lower guide sleeve; the fixed die plate is further connected with a fixed die panel, and an exhaust groove is formed in the position, corresponding to the upper guide sleeve, of the fixed die panel so as to release compressed air when the guide pillar is inserted into the upper guide sleeve and prevent the guide pillar from being jacked to enable the first die opening surface to be not tight in die assembly.
The utility model discloses a further technical scheme is: the bottom of the movable template is provided with a movable template spring for upward floating driving, and a movable template pull rod for controlling the upward floating distance of the movable template is also arranged between the movable template and the first base plate.
The utility model discloses a further technical scheme is again: the fixed die plate and the movable die plate are provided with a precise positioning block on the first die opening surface for ensuring the precise resetting of the fixed die and the movable die; the side ends of the die feet and the fixed die plate are respectively provided with a protective column which prevents the die plate from being contacted with the ground to rust and protects the power mechanism after the die assembly is finished; dust shields for protecting the power transmission device in the mold foot space are also installed at the two ends of the mold foot.
Owing to adopt above-mentioned structure, the utility model discloses a digit control machine tool hydraulic pressure oil pipe connects mould compares with prior art, has following beneficial effect:
1. automatic mass production of plastic parts for guaranteeing oil pipe joints
Because the cavity inserts for forming the stepped holes at the upper section and the middle section of the oil pipe joint are arranged in the corresponding cavities of the fixed die plate and the movable die plate, a first base plate and a second base plate are arranged between the die feet of the die carrier and the movable die plate, and the contact surface between the fixed die plate and the movable die plate is a first die opening surface; the contact surface between the movable template and the first base plate is a second die opening surface; the utility model discloses a mechanism of loosing core includes the half slider side core pulling mechanism that is used for the shaping of oil pipe joint upper segment external screw thread, middle section centre gripping bayonet socket and drawing of patterns, still includes the internal thread mechanism of loosing core that is used for the drawing of patterns of oil pipe joint hypomere internal thread hole, half slider side core pulling mechanism installs between fixed die plate and movable die plate; the internal thread core-pulling mechanism is arranged between the movable template and the first and second backing plates. Therefore, the utility model adopts the cavity insert to form the stepped holes at the upper section and the middle section of the oil pipe joint; molding and demolding the upper-section external threads and the middle-section clamping bayonets of the oil pipe joint by adopting a half slider side core-pulling mechanism; for the outer wall of the lower section of the oil pipe joint, the demoulding can be directly carried out on the formed part due to no blocking of a side hole; and the internal thread hole at the lower section of the oil pipe joint is formed and demoulded by adopting an internal thread core-pulling mechanism. Therefore, the utility model discloses a carry out the special construction mould of special design to digit control machine tool hydraulic pressure oil pipe joint, can realize guaranteeing the automatic batch production that oil pipe joint moulded the piece.
2. Compact and reasonable structural layout
The utility model discloses a cover half, movable mould, die carrier, mechanism of loosing core, wherein the cover half includes the fixed die plate, the movable mould includes the movable mould board, the die carrier includes the mould foot, guide pillar guide pin bushing assembly, fixed die plate, movable mould board are equipped with the die cavity mold insert that is used for the shaping of oil pipe connector upper segment, middle section step hole in corresponding die cavity, still install first backing plate, second backing plate between the mould foot of die carrier and movable mould board, the contact surface between fixed die plate and the movable mould board be first die opening face; the contact surface between the movable template and the first base plate is a second die opening surface; the core pulling mechanism comprises a half slider side core pulling mechanism for molding and demolding an upper-section external thread and a middle-section clamping bayonet of the oil pipe joint and also comprises an internal thread core pulling mechanism for demolding an internal thread hole at a lower section of the oil pipe joint, and the half slider side core pulling mechanism is arranged between the fixed template and the movable template; the internal thread core-pulling mechanism is arranged between the movable template and the first and second backing plates. The above components are compact in layout and reasonable in structure.
3. The forming and demoulding mechanism is simple and practical
The utility model adopts the cavity insert to form the stepped holes at the upper section and the middle section of the oil pipe connector; molding and demolding the upper-section external threads and the middle-section clamping bayonets of the oil pipe joint by adopting a half slider side core-pulling mechanism; for the outer wall of the lower section of the oil pipe joint, the demoulding is directly carried out on the formed part due to the fact that no side hole exists in the outer wall; and the internal thread hole at the lower section of the oil pipe joint is formed and demoulded by adopting an internal thread core-pulling mechanism. Therefore, the utility model discloses shaping and demoulding mechanism is more simple and practical.
4. High reliability
The utility model discloses a half slider side mechanism of loosing core includes left slider, right slider, oblique guide pillar, and left slider, right slider are installed respectively in the left and right both sides of die cavity, and are equipped with the slider die cavity identical with oil pipe joint upper segment, middle section shape on left slider, the right slider, and this left slider, right slider are installed between fixed die plate and movable mould board, and still install the slider gib block between the bottom of left slider, right slider and the movable mould board; the outer sides of the left sliding block and the right sliding block are provided with sliding block locking blocks; the inclined guide post is arranged between the fixed die plate, the left sliding block or the right sliding block and the movable die plate and is used for driving the left sliding block or the right sliding block to perform core-pulling movement towards the outer side. The utility model discloses an internal thread mechanism of loosing core includes power device, power transmission, screw core gear, screw core fixing device, and screw core gear installs the lower extreme at screw core, and screw core gear passes through power transmission and is connected with power device's output.
In order to ensure the installation of the internal thread core pulling mechanism, the die carrier of the utility model is additionally provided with two backing plates, namely a first backing plate and a second backing plate, below the movable die plate; the guide mechanism of the die carrier is also partially adjusted, namely the guide post adopts a double-end guide post, and the upper end and the lower end of the guide post are respectively matched with the upper guide sleeve and the lower guide sleeve correspondingly so as to ensure the accurate positioning of the installation of the fixed die plate, the movable die plate, the first base plate and the second base plate. The mold frame can be opened twice in the injection molding working process of a plastic part, and the mold opening surfaces of the mold frame are a first mold opening surface and a second mold opening surface respectively; the opening of the first die opening surface is used for separating the cavity insert from the oil pipe joint, and the four inclined guide posts respectively drive the left slide block and the right slide block to perform side core-pulling action; the second die opening surface is used for floating the movable die plate upwards to assist in matching with the rotary core pulling action of the internal thread core pulling mechanism so as to realize complete demoulding of the oil pipe joint; the floating driving of the movable template is driven by a movable template spring, and the floating separation distance is controlled by a movable template pull rod at a fixed distance. The fixed die panel is provided with an exhaust groove corresponding to the upper guide sleeve to release compressed air when the guide pillar is inserted into the guide sleeve, so that the guide pillar is prevented from being ejected, and the first die opening surface is prevented from being not tightly closed. Two sets of fine positioning blocks are additionally arranged on the first die opening surface of the movable die and the fixed die part, so that the accurate reset of the reset and closing of the fixed die and the movable die can be ensured. Four protection columns are arranged at the side ends of the movable mold foot and the fixed mold plate, so that the mold plate can be prevented from being contacted with the ground to be rusted after the mold is assembled, and a motor of the internal thread core-pulling mechanism is protected; dust shields are mounted at both ends of the mold legs to protect the power transmission device in the mold leg space. Therefore, the utility model discloses a reliability is than higher.
5. Long service life
The utility model discloses a rational in infrastructure, long service life has furthest reduced the manufacturing and the maintenance cost of mould, has better engineering design reference value.
The technical features of the hydraulic oil pipe joint mold for a numerical control machine according to the present invention will be further described with reference to the accompanying drawings and embodiments.
Drawings
FIGS. 1 to 5: the utility model discloses a digit control machine tool hydraulic pressure oil pipe connects schematic structure of mould, wherein:
FIG. 1: the cross-sectional view a-a of figure 2,
FIG. 2: in the top view of figure 1 of the drawings,
FIG. 3: the cross-sectional view B-B of figure 2,
FIG. 4: the disassembled view of figure 3 (with the first and second pads removed),
FIG. 5: example a top view of the stationary mold,
FIG. 6: the structure of the internal thread core-pulling mechanism is shown in the first embodiment;
fig. 7 to 10: the structural schematic diagram of oil pipe connects, wherein:
FIG. 7: a front view of the tubing joint is shown,
FIG. 8: in the top view of figure 7 of the drawings,
FIG. 9: the cross-sectional view C-C of figure 8,
FIG. 10: a perspective view of the tubing joint;
in the above drawings, the respective reference numerals are explained as follows:
1-a positioning ring, 2-a cavity insert water-proof sheet,
3-a fixed die panel, 4-a cavity insert, 5-a fixed die plate, 6-a first inclined guide post, 7-a left slide block, 8-a slide block locking block,
9-a slide block wear-resisting plate, 10-a movable template, 11-a first cushion plate, 12-a second cushion plate, 13-a mold foot, 14-a bottom plate,
15-supporting column, 16-locking sheet, 17-lower bearing, 18-first cavity thread core gear,
19-upper bearing, 20-end bearing, 21-thread core, 22-core external insert,
23-right slide block, 24-slide block guide strip, 25-slide block press strip, 26-upper guide sleeve, 27-guide column, 28-lower guide sleeve,
29-moving template pull rod, 30-moving template spring, 31-motor, 32-motor mounting plate, 33-motor gear,
34-chain, 35-drive shaft gear, 36-intermediate drive shaft, 37-drive gear,
38-second cavity threaded core gear, 39-countershaft bearing,
40-a second inclined guide post, 41-a third inclined guide post, 42-a fourth inclined guide post, 43-a fine positioning block, 44-a protection post,
45-dust guard; 46-tubing joint, 461-upper section, 462-middle section, 463-lower section,
p1-first die opening face, P2-second die opening face.
Detailed Description
The first embodiment is as follows:
the utility model provides a digit control machine tool hydraulic pressure oil pipe connects mould, the die cavity overall arrangement of this mould is a mould two chambeies, including cover half, movable mould, die carrier, mechanism of loosing core, wherein:
the fixed die comprises a fixed die plate 5, a fixed die panel 3 is connected above the fixed die plate 5, and the fixed die panel 3 is provided with a positioning ring 1 at a position corresponding to the cavity; the movable mould comprises a movable mould plate 10, a cavity insert 4 for forming an inner hole of the upper section of the oil pipe joint is respectively arranged in the corresponding two cavities of the movable mould plate 10 and the fixed mould plate 5, and a cavity insert water-proof sheet is arranged in the cavity insert 4; the contact surface between the fixed die plate 5 and the movable die plate 10 is a first die opening surface P1.
The die carrier comprises die feet 13, a bottom plate 14, a support column 15 and a guide column and guide sleeve assembly, a first cushion plate 11 and a second cushion plate 12 are further installed between the die feet 13 and the movable die plate 10, and the contact surface between the movable die plate 10 and the first cushion plate 11 is a second die opening surface P2.
The core pulling mechanism comprises a half slider side core pulling mechanism for molding and demolding an upper-section external thread and a middle-section clamping bayonet of the oil pipe joint and also comprises an internal thread core pulling mechanism for demolding an internal thread hole at the lower section of the oil pipe joint; the core-pulling mechanism on the side of the half sliding block is arranged between the fixed die plate 5 and the movable die plate 10; the internal thread core-pulling mechanism is arranged between the movable template 10 and the first and second backing plates 11 and 12.
The core-pulling mechanism comprises a left slider 7, a right slider 23 and an inclined guide post, wherein the left slider 7 and the right slider 23 are respectively arranged at the left side and the right side of a cavity, the left slider 7 and the right slider 23 are provided with slider cavities matched with the shapes of the upper section and the middle section of an oil pipe joint, the left slider 7 and the right slider 23 are arranged between a fixed template 5 and a movable template 10, and a slider guide strip 24 and a slider wear-resisting plate 9 are respectively arranged between the bottoms of the left slider 7 and the right slider 23 and the movable template 10; the outer sides of the left slide block 7 and the right slide block 23 are provided with slide block locking blocks 8; and slide block battens 25 are further arranged between the side parts of the left slide block 7 and the right slide block 23 and the movable mould plate 10. The inclined guide post is arranged between the fixed die plate 5, the left slide block 7 or the right slide block 23 and the movable die plate 10 and is used for driving the left slide block 7 or the right slide block 23 to perform core-pulling movement towards the outer side. The inclined guide post comprises a first inclined guide post 6, a second inclined guide post 40, a third inclined guide post 41 and a fourth inclined guide post 42, wherein the first inclined guide post 6 and the second inclined guide post 40 are arranged between the fixed die plate 5, the right sliding block 23 and the movable die plate 10, and the third inclined guide post 41 and the fourth inclined guide post 42 are arranged between the fixed die plate 5, the left sliding block 7 and the movable die plate 10.
The internal thread core-pulling mechanism comprises a power device, a power transmission device, a thread core 21, a thread core gear 18 and a thread core fixing device, wherein,
the power device is a motor 31, the power transmission device comprises a chain 34, a driving shaft gear 35, an intermediate driving shaft 36 and a driving gear 37, one end of the chain 34 is connected with the output end of the motor 31, the other end of the chain 34 is meshed with the driving shaft gear 35, the driving shaft gear 35 and the driving gear 37 are respectively installed on the intermediate driving shaft 36, and the lower end of the intermediate driving shaft 36 is installed on the bottom plate 14 at the bottom of the die carrier through an intermediate shaft bearing 39.
The number of the threaded cores 21 is two corresponding to the number of the cavities, and the two threaded cores 21 are respectively fixed on the first cushion plate 11 and the second cushion plate 12 through threaded core fixing devices; the threaded core fixing device comprises an end face bearing 20, an upper bearing 19, a lower bearing 17 and a locking sheet 16, wherein the middle upper part of the threaded core 21 is installed on the first cushion plate 11 through the end face bearing 20 and the upper bearing 19, and the bottom end of the threaded core 21 is installed on the second cushion plate 12 through the lower bearing 17 and is locked through the locking sheet 16.
The threaded core gear comprises a first cavity threaded core gear 18 and a second cavity threaded core gear 38, the first cavity threaded core gear 18 and the second cavity threaded core gear 38 are respectively installed at the lower ends of the two threaded cores 21, and the first cavity threaded core gear 18 and the second cavity threaded core gear 38 are respectively meshed with the driving gear 37.
The guide post and guide sleeve assemblies are four in number, wherein the guide post and guide sleeve assembly at the lower right corner is eccentrically arranged to prevent the template from being assembled wrongly; the guide post 27 in the guide post and guide sleeve assembly adopts a double-head guide post, and the upper and lower ends of the guide post 27 are respectively matched with the upper guide sleeve 26 and the lower guide sleeve 28; an exhaust groove is formed in the fixed die panel 3 corresponding to the upper guide sleeve 26 to release compressed air when the guide post 27 is inserted into the upper guide sleeve 26, so that the guide post 27 is prevented from being jacked to enable the first die opening surface to be not tightly closed.
A movable die plate spring 30 for upward floating driving is installed at the bottom of the movable die plate 10, and a movable die plate pull rod 29 for controlling the upward floating distance of the movable die plate is further installed between the movable die plate 10 and the first pad plate 11. The fixed die plate 5 and the movable die plate 10 are provided with a fine positioning block 43 for ensuring the fine resetting of the fixed die and the movable die on the first die opening surface; to facilitate the assembly and disassembly of the templates, the four corners of each template are milled with 10x10x5mm prying die corners. The side ends of the mould feet 13 and the fixed mould plate 5 are respectively provided with a protective column 44 which can prevent the mould plate from contacting with the ground to rust and protect the power mechanism after the mould assembly is finished; dust shields 45 for protecting the power transmission device in the mold foot space are also installed at the two ends of the mold foot.
The working process of the utility model is as follows:
(1) and (3) closed mold injection:
after the mold is installed on an injection molding machine, when injection molding is started, a first mold opening surface P1 and a second mold opening surface P2 of the mold are closed, a nozzle of the injection molding machine completes injection molding of a mold cavity, and after pressure maintaining is completed, an oil pipe joint plastic part is cooled to wait for mold opening.
(2) Parting of a first die sinking surface:
when the mold is opened, the movable mold retreats, the mold is opened at a first mold opening surface, the left slider 7 and the right slider 23 synchronously loose cores to the outside under the common driving of the first inclined guide post 6, the second inclined guide post 40, the third inclined guide post 41 and the fourth inclined guide post 42, and the side core-pulling demolding of the upper-section external thread and the middle-section clamping bayonet of the oil pipe joint plastic part is realized.
(3) And (3) second die sinking surface parting:
the movable mold moves backwards continuously, the movable mold plate 10 has the tendency of being pushed out to move upwards under the driving of the movable mold plate spring 30, but the movable mold plate is pulled by the threaded mold core 21 by means of the friction resistance of the wall of the oil pipe joint plastic part, at the moment, the motor 31 is started, the motor 31 rotates to drive the threaded mold core 21 to rotate, therefore, the movable mold plate 10 can assist in driving the oil pipe joint plastic part to lift upwards from the threaded mold core 21 so as to realize the complete demolding of the oil pipe joint plastic part, and after the oil pipe joint plastic part is completely separated from the threaded mold core 21, the movable mold plate pull rod 29 performs distance control to pull the movable mold plate 10 to prevent the movable mold plate.
(4) Resetting:
when resetting, the internal thread core-pulling mechanism is reset firstly, and then the die is pressed according to a second die opening surface P2→ first die opening plane P1And closing the sequence in sequence, closing the mold completely after closing the core-pulling mechanism at the side of the half sliding block, and waiting for the next cycle.
Claims (10)
1. The utility model provides a digit control machine tool hydraulic pressure oil pipe connects mould, includes cover half, movable mould, die carrier, mechanism of loosing core, the cover half include fixed die plate (5), the movable mould includes movable mould board (10), the die carrier includes die pin (13), guide pillar guide pin bushing assembly, its characterized in that: the die cavity insert (4) for forming the stepped holes in the upper section and the middle section of the oil pipe joint is installed in the corresponding die cavity of the fixed die plate (5) and the movable die plate (10), a first base plate (11) and a second base plate (12) are further installed between a die foot (13) of the die frame and the movable die plate (10), the contact surface between the fixed die plate (5) and the movable die plate (10) is a first die opening surface (P1), the contact surface between the movable die plate (10) and the first base plate (11) is a second die opening surface (P2), the core pulling mechanism comprises a half slider side core pulling mechanism for forming and demolding the middle section clamping bayonet in the upper section of the oil pipe joint and an internal thread core pulling mechanism for demolding the internal thread hole in the lower section of the oil pipe joint, the half slider side core pulling mechanism is installed between the fixed die plate (5) and the movable die plate (10), and the internal thread core pulling mechanism is installed between the movable die plate (10) and the first base plate (11), Between the second backing plates (12).
2. The numerical control machine tool hydraulic oil pipe joint mold according to claim 1, wherein: the core-pulling mechanism on the side of the half sliding block comprises a left sliding block (7), a right sliding block (23) and an inclined guide post, wherein the left sliding block (7) and the right sliding block (23) are respectively arranged on the left side and the right side of a cavity, the left sliding block (7) and the right sliding block (23) are provided with sliding block cavities matched with the upper section and the middle section of an oil pipe joint, the left sliding block (7) and the right sliding block (23) are arranged between a fixed template (5) and a movable template (10), and sliding block guide strips (24) are also arranged between the bottoms of the left sliding block (7) and the right sliding block (23) and the movable template (10); the outer sides of the left slide block (7) and the right slide block (23) are provided with slide block locking blocks (8); the inclined guide post is arranged between the fixed die plate (5), the left sliding block (7) or the right sliding block (23) and the movable die plate (10) and is used for driving the left sliding block (7) or the right sliding block (23) to perform core-pulling movement towards the outer side.
3. The die for the hydraulic oil pipe joint of the numerical control machine tool according to claim 2, wherein: the inclined guide post comprises a first inclined guide post (6), a second inclined guide post (40), a third inclined guide post (41) and a fourth inclined guide post (42), the first inclined guide post (6) and the second inclined guide post (40) are installed between the fixed die plate (5), the right sliding block (23) and the movable die plate (10), and the third inclined guide post (41) and the fourth inclined guide post (42) are installed between the fixed die plate (5), the left sliding block (7) and the movable die plate (10).
4. The die for the hydraulic oil pipe joint of the numerical control machine tool according to claim 2, wherein: a sliding block wear-resisting plate (9) is also arranged between the bottoms of the left sliding block (7) and the right sliding block (23) and the movable template (10); and sliding block pressing strips (25) are also arranged between the side parts of the left sliding block (7) and the right sliding block (23) and the movable template (10).
5. The numerical control machine tool hydraulic oil pipe joint mold according to claim 1, wherein: the internal thread core pulling mechanism comprises a power device, a power transmission device, a thread core (21), a thread core gear and a thread core fixing device, wherein the thread core (21) is fixed on a first base plate (11) and a second base plate (12) through the thread core fixing device, the thread core gear is installed at the lower end of the thread core (21), and the thread core gear is connected with the output end of the power device through the power transmission device.
6. The numerical control machine tool hydraulic oil pipe joint mold according to claim 5, wherein: the thread core fixing device comprises an end face bearing (20), an upper bearing (19), a lower bearing (17) and a locking sheet (16), wherein the end face bearing (20) and the upper bearing (19) are installed on the middle upper part of the thread core (21), and the lower bearing (17) and the locking sheet (16) are installed at the bottom end of the thread core (21).
7. The numerical control machine tool hydraulic oil pipe joint mold according to claim 5, wherein: the power transmission device comprises a chain (34), a driving shaft gear (35), an intermediate driving shaft (36) and a driving gear (37), one end of the chain (34) is connected with the output end of the power device, the other end of the chain (34) is meshed with the driving shaft gear (35), the driving shaft gear (35) and the driving gear (37) are respectively installed on the intermediate driving shaft (36), and the driving gear (37) is connected with a threaded core gear.
8. The numerical control machine tool hydraulic oil pipe joint mold according to claim 1, wherein: the guide post and guide sleeve assemblies are four in number, and one guide post and guide sleeve assembly is eccentrically arranged to prevent the templates from being assembled wrongly; a guide post (27) in the guide post and guide sleeve assembly adopts a double-head guide post, and the upper and lower ends of the guide post (27) are respectively matched with an upper guide sleeve (26) and a lower guide sleeve (28); the fixed die plate (5) is also connected with a fixed die panel (3), an exhaust groove is formed in the position, corresponding to the upper guide sleeve (26), of the fixed die panel (3) so as to release compressed air when the guide pillar (27) is inserted into the upper guide sleeve (26) and prevent the guide pillar (27) from being jacked to enable the first die opening surface to be not tightly closed.
9. The numerical control machine tool hydraulic oil pipe joint mold according to claim 1, wherein: the bottom of the movable template (10) is provided with a movable template spring (30) for upward floating driving, and a movable template pull rod (29) for controlling the upward floating distance of the movable template is further arranged between the movable template (10) and the first base plate (11).
10. The numerical control machine tool hydraulic oil pipe joint mold according to claim 5, wherein: the fixed die plate (5) and the movable die plate (10) are provided with a precise positioning block (43) for ensuring the precise resetting of the fixed die and the movable die on the first die opening surface; the side ends of the mould feet (13) and the fixed mould plate (5) are respectively provided with a protection column (44) which prevents the mould plate from contacting with the ground to rust and protects the power mechanism after the mould assembly is finished; dust shields (45) for protecting the power transmission device in the mold foot space are also installed at the two ends of the mold foot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125001.7U CN209920435U (en) | 2019-01-24 | 2019-01-24 | Hydraulic oil pipe joint die of numerical control machine tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920125001.7U CN209920435U (en) | 2019-01-24 | 2019-01-24 | Hydraulic oil pipe joint die of numerical control machine tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209920435U true CN209920435U (en) | 2020-01-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115366352A (en) * | 2022-08-11 | 2022-11-22 | 武汉联塑精密模具有限公司 | Automatic demoulding mould for internal and external threads |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115366352A (en) * | 2022-08-11 | 2022-11-22 | 武汉联塑精密模具有限公司 | Automatic demoulding mould for internal and external threads |
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