CN217192017U - Stamping device of hydraulic forming machine for transmission shaft accessories - Google Patents
Stamping device of hydraulic forming machine for transmission shaft accessories Download PDFInfo
- Publication number
- CN217192017U CN217192017U CN202220224862.2U CN202220224862U CN217192017U CN 217192017 U CN217192017 U CN 217192017U CN 202220224862 U CN202220224862 U CN 202220224862U CN 217192017 U CN217192017 U CN 217192017U
- Authority
- CN
- China
- Prior art keywords
- sliding
- subassembly
- slide
- punch
- plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004080 punching Methods 0.000 abstract 4
Images
Abstract
The utility model belongs to the technical field of hydraulic forming machine and specifically relates to a transmission shaft accessory hydraulic forming machine stamping device is related to, it includes frame, mould subassembly and is used for the first subassembly that punches a hole of punching press connecting hole, first subassembly that punches a hole sets up in the mould subassembly top, first subassembly and the mould subassembly that punches a hole all set up in the frame, its characterized in that: the frame is provided with the slide in a sliding manner, slidable mounting has the second drift that is used for punching press ear's hole on the slide, be provided with the second driving piece that is used for driving the slide removal in the frame. In this application, through setting up the second drift to make ear's hole along with the shaft yoke shaping, thereby simplified the follow-up processing to the shaft yoke.
Description
Technical Field
The invention relates to the field of hydraulic forming machines, in particular to a stamping device of a hydraulic forming machine for transmission shaft accessories.
Background
The shaft yoke is also called universal joint yoke, which is one of the common key parts for transmitting torque in mechanical and automobile transmission systems; referring to fig. 1, the shaft yoke 01 includes a connecting shaft 02 and a U-shaped yoke 03 disposed at an end of the connecting shaft 02, a connecting hole 021 is disposed at an end of the connecting shaft 02 far away from the yoke 03, two ears of the yoke 03 are each provided with an ear hole 031, and an axis of the connecting hole 021 is perpendicular to an axis of the ear hole 031.
The processing of the shaft fork 01 needs to be realized by a hydraulic forming machine, firstly, a raw material metal rod which is heated to a certain temperature is placed in a die to be forged and pressed so as to form a shaft fork blank, the connecting hole 021 is formed along with the shaft fork blank, and then ear holes 031 and other processing procedures are drilled on the shaft fork blank; among the above-mentioned processing mode, the staff is comparatively troublesome when driling to the shaft fork blank, and the metal fillings that produce in addition drills can only be handled as the waste, also have the phenomenon of wasting of resources.
SUMMERY OF THE UTILITY MODEL
Two ear holes on the shaft yoke are processed for the convenience of processing personnel to simplify the manufacturing procedure of shaft yoke, the application provides a transmission shaft accessory hydraulic forming machine stamping device.
The application provides a transmission shaft accessory hydraulic forming machine stamping device adopts following technical scheme:
the utility model provides a transmission shaft accessory hydraulic forming machine stamping device, includes frame, mould subassembly and is used for the first subassembly that punches a hole of punching press connecting hole, first subassembly that punches a hole sets up in the mould subassembly top, first subassembly and the mould subassembly that punches a hole all set up in the frame, its characterized in that: the frame is provided with the slide in a sliding manner, slidable mounting has the second drift that is used for punching press ear's hole on the slide, be provided with the second driving piece that is used for driving the slide removal in the frame.
By adopting the technical scheme, when the shaft yoke is molded by the mold assembly, the second driving piece drives the second punch to be inserted into the mold assembly, so that the ear hole can be molded together with a shaft yoke blank, the subsequent processing of the shaft yoke by a processing worker is more trouble-saving, and the material waste phenomenon is reduced; in addition, the second punch is slidably mounted on the sliding plate, so that the position of the second punch can be adjusted, and the position of the ear hole is more accurate.
Optionally, a limiting part is arranged on the machine frame, a limiting groove is arranged on the limiting part, and the sliding plate comprises a sliding part in sliding fit with the limiting groove.
Through adopting above-mentioned technical scheme, through setting up the locating part, the second drift is more stable when moving along with the slide.
Optionally, a wear-resistant plate is attached to the lower side of the sliding portion and is mounted on the frame.
Through adopting above-mentioned technical scheme, because the action of gravity, the sliding part downside rubs more with the contact surface when sliding, through setting up the antifriction plate, can play the guard action to the part of sliding part downside contact.
Optionally, the sliding direction of the second punch relative to the sliding plate is perpendicular to the sliding direction of the sliding plate relative to the frame, and the sliding plate is provided with a control assembly for adjusting the position of the second punch on the sliding plate.
Through adopting above-mentioned technical scheme, the position of second drift on the slide can be adjusted to the control assembly for the position in ear hole is more accurate.
Optionally, a guide groove is formed in the sliding plate, the control assembly comprises a guide block which is in sliding fit in the guide groove and a screw rod which is arranged on the guide block in a penetrating mode through threads, the screw rod is installed on the side wall of the guide groove in a rotating mode, an installation plate is arranged on the second punch, and the guide block is arranged on the installation plate.
Through adopting above-mentioned technical scheme, it can drive the guide block and slide to rotate the screw rod, and then drives the second drift through the mounting panel and remove, and it is comparatively convenient to adjust.
Optionally, one end of the guide groove is in an open state, the other end of the guide groove is in a closed state, and the screw is rotatably installed on the side wall of the guide groove in the closed state.
By adopting the technical scheme, when shaft forks of different specifications are processed or the second punch is damaged, the second punch needs to be replaced; the screw rod can be rotated so that the guide block is taken out from one side of the opening state of the guide groove, and the mounting plate and the second punch can be replaced.
Optionally, a steering assembly is arranged on the sliding plate and comprises a first bevel gear and a second bevel gear which are meshed with each other, the bevel gears are sleeved on the screw rods, a rotating shaft penetrates through the second bevel gears, the rotating shaft is rotatably supported on the sliding plate, and one end of the rotating shaft is located on the outer side of the sliding plate.
By adopting the technical scheme, the direction of acting force required by rotating the screw can be changed by arranging the steering assembly, so that a processing worker can rotate the screw conveniently; one end of the rotating shaft is arranged on the outer side of the sliding plate, so that the rotating shaft can be conveniently rotated.
Optionally, at least one locking assembly for fixing the position of the mounting plate is arranged between the sliding plate and the mounting plate.
By adopting the technical scheme, the position of the mounting plate on the sliding plate is further fixed through the locking assembly, and the possibility that the second punch and the sliding plate slide relatively in the using process is reduced.
Optionally, the number of the second punches is two, and the two second punches are oppositely arranged at two sides of the die assembly.
Through adopting above-mentioned technical scheme, through two second drifts in order to carry out simultaneous processing to two ear's hole, it is more convenient to operate.
Drawings
Fig. 1 is a schematic structural diagram of a shaft yoke in the background art of the present application.
Fig. 2 is a schematic overall structural diagram of a stamping device of a transmission shaft fitting hydraulic forming machine according to an embodiment of the application.
Figure 3 is a schematic view of the attachment of a second punch assembly to a base in an embodiment of the present application.
Fig. 4 is a schematic view showing the connection of the second punch and the slide plate in the embodiment of the present application.
Fig. 5 is an enlarged schematic view at a in fig. 4.
Description of reference numerals: 01. a shaft yoke; 02. a connecting shaft; 021. connecting holes; 03. a fork head; 031. ear holes; 1. a frame; 11. a base; 111. a wear resistant groove; 12. a top seat; 13. a support pillar; 2. a mold mechanism; 21. a mold cylinder; 22. a mold assembly; 221. an upper die; 222. a lower die; 23. a mold base; 3. a first punch assembly; 31. a first punch; 32. a first driving member; 33. a slide base; 4. a second punch assembly; 41. a second punch; 411. mounting a plate; 4111. a locking hole; 42. a slide plate; 421. a sliding part; 422. a guide groove; 423. accommodating grooves; 424. a chute; 43. a second driving member; 5. a limiting member; 51. a wear plate; 52. a limiting groove; 6. a control component; 61. a guide block; 62. a screw; 7. a cover plate; 8. a steering assembly; 81. a first bevel gear; 82. a second bevel gear; 83. a rotating shaft; 9. a locking assembly; 91. locking the bolt; 92. and locking the nut.
Detailed Description
The present application is described in further detail below with reference to figures 1-5.
The embodiment of the application discloses transmission shaft accessory hydraulic forming machine stamping device. Referring to fig. 1 and 2, the stamping device of the hydraulic forming machine for the transmission shaft fittings comprises a frame 1, a die mechanism 2, a first punching assembly 3 and a second punching assembly 4, wherein the die mechanism 2, the first punching assembly 3 and the second punching assembly 4 are all arranged on the frame 1; mould mechanism 2 is used for carrying out the shaping to the raw materials metal rod after the fever, and first subassembly 3 that punches a hole is used for carrying out the shaping to connecting hole 021 on the yoke 01, and second subassembly 4 that punches a hole is used for carrying out the shaping to two ear's holes 031 on the yoke 01, and in this application, two ear's holes 031 can form at the forging and pressing in-process, need not to bore a hole again in the follow-up processing of yoke 01, and it is more convenient to process.
Referring to fig. 2, the rack 1 includes a base 11, a top seat 12, and four support columns 13 disposed between the base 11 and the top seat 12, the base 11 is placed on the ground, and the support columns 13 are disposed vertically; the die mechanism 2 is arranged above the base 11, the die mechanism 2 comprises a die assembly 22 and a die oil cylinder 21, the die assembly 22 comprises an upper die 221 and a lower die 222, the lower die 222 is fixed on the base 11, a die seat 23 is connected above the upper die 221 through a bolt, and the die seat 23 is sleeved on the four support columns 13 in a sliding manner; the cylinder body of the die oil cylinder 21 is fixed on the top seat 12 through a bolt, and the piston rod of the die oil cylinder 21 is fixed on the die seat 23 through a bolt; the number of the die oil cylinders 21 is two, the two die oil cylinders 21 are respectively arranged close to two opposite side edges of the die base 23, and the die oil cylinders 21 are started to control the upper die 221 to ascend and descend. A feed inlet is arranged above the die base 23, the feed inlet is communicated with a forming cavity formed by the upper die 221 and the lower die 222, and a processing worker can put a raw material metal rod which is heated into a space between the upper die 221 and the lower die 222 through the feed inlet.
Referring to fig. 2, the first punching assembly 3 includes a first punch 31, a first driving member 32 and a sliding seat 33, the first driving member 32 is a cylinder in this embodiment, the first driving member 32 is mounted on the top seat 12, and a piston rod of the first driving member 32 extends vertically downward; the sliding seat 33 is slidably sleeved on the four supporting columns 13 and is connected with a piston rod of the first driving part 32, and the sliding seat 33 is positioned above the die seat 23; the first punch 31 is installed below the slide 33 by a bolt, and the first driving member 32 is activated to drive the first punch 31 to move up and down so as to form the shaft yoke 01 and the connecting hole 021 (both the shaft yoke 01 and the shaft yoke 01 can refer to fig. 1 hereinafter).
Referring to fig. 2 and 3, the second punching assemblies 4 are mounted on the upper surface of the base 11, the second punching assemblies 4 are arranged in two groups, the two groups of second punching assemblies 4 are respectively arranged on two sides of the mold assembly 22 and correspondingly arranged below the two mold cylinders 21, and the two groups of second punching assemblies are respectively used for forming two lug holes 031 on the shaft yoke 01. The second punching assembly 4 comprises a second punch 41, a sliding plate 42 and second driving members 43, in this embodiment, the second driving members 43 are oil cylinders, the second driving members 43 are fixed on the upper surface of the base 11 through bolts, piston rods of the second driving members 43 extend horizontally, and the piston rods of the two second driving members 43 are relatively close to each other and arranged linearly; the slide plate 42 is connected with the piston rod of the second driving member 43 through a bolt, and the second punch 41 is mounted on the slide plate 42; when the die assembly 22 forms the yoke 01, the second punch 41 can be driven by the second driving member 43 to be inserted into the die assembly 22 to form the ear hole 031 of the yoke 01.
Referring to fig. 3 and 4, in order to make the sliding plate 42 more stable when sliding, the limiting members 5 are mounted on the upper surface of the base 11 through bolts, one sliding plate 42 is correspondingly provided with two limiting members 5, the two limiting members 5 are respectively arranged on two sides of the sliding plate 42, the limiting members 5 are strip-shaped and have L-shaped cross sections, one end surface of the L-shaped cross section of the limiting member 5 is attached to the upper surface of the base 11, the other end surface of the L-shaped cross section of the limiting member 5 horizontally extends in a direction close to the sliding plate 42 to form a limiting groove 52, and the limiting grooves 52 of the two limiting members 5 are arranged relatively close to each other. The sliding plate 42 is rectangular plate-shaped and is perpendicular to the upper surface of the base 11, rectangular grooves are formed on the side surfaces of the sliding plate 42 close to the two limiting pieces 5, so that a sliding portion 421 is formed on the lower portion of the sliding plate 42, and two sides of the sliding portion 421 are respectively in sliding fit with the limiting grooves 52 formed by the two limiting pieces 5; the two limiting members 5 can limit the sliding of the sliding plate 42, so that the second punch 41 is more stable when moving along with the sliding plate 42.
Referring to fig. 3, since the lower side surface of the sliding portion 421 directly contacts the base 11 and causes abrasion to the base 11, a wear plate 51 is disposed on the upper surface of the base 11 corresponding to the sliding portion 421, and the wear plate 51 is made of a high manganese steel plate in this embodiment; the wear-resisting plate 51 is in a long strip rectangular plate shape and extends along the length direction of the limiting groove 52; the wear-resisting groove 111 has been seted up with wear-resisting plate 51 correspondence to base 11 upper surface, and wear-resisting plate 51 inlays and establishes in wear-resisting groove 111, and wear-resisting plate 51 upper surface protrusion in base 11 upper surface, sliding part 421 lower surfaces and the laminating of wear-resisting plate 51 upper surface have evenly seted up a plurality of counterbores down on the wear-resisting plate 51 to pass through the bolt fastening with wear-resisting plate 51 in wear-resisting groove 111.
Referring to fig. 3, the second punch 41 is disposed on a side of the slide plate 42 close to the die assembly 22, the second punch 41 is matched in shape with an ear hole 031 of the yoke 01 and extends in a horizontal direction, and a mounting plate 411 is bolted to one end of the second punch 41 to facilitate mounting of the second punch 41 on the slide plate 42.
Referring to fig. 3 and 4, in order to form the ear holes 031 of the shaft yoke 01 with different specifications, the second punch 41 needs to be replaced, so that the control assembly 6 is arranged between the mounting plate 411 and the sliding plate 42, and the control assembly 6 comprises a guide block 61 and a screw rod 62. The sliding plate 42 is provided with a guide groove 422 along the vertical direction, the upper end of the guide groove 422 is in an open state, the lower end of the guide groove 422 is in a closed state, the cross section of the guide groove 422 is in a T shape, the guide block 61 is in sliding fit in the guide groove 422, the guide block 61 is fixedly connected to the side surface of the mounting plate 411 close to the sliding plate 42, so that the mounting plate 411 is slidably mounted on the sliding plate 42, and the second punch 41 can slide upwards along with the mounting plate 411 and be taken down for replacement. The screw 62 is arranged in the guide groove 422 along the length direction of the guide groove 422, the lower end of the screw is rotatably supported on the lower side wall of the guide groove 422, the guide block 61 is sleeved on the screw 62 in a threaded manner, and the mounting plate 411 can be controlled by rotating the screw 62 to drive the second punch 41 to lift, so that the position of the second punch 41 can be adjusted after the second punch 41 is replaced.
Referring to fig. 4 and 5, in order to facilitate the rotation of the screw 62 by the processing personnel, an accommodating groove 423 is formed in a side surface of the sliding plate 42 close to the mounting plate 411, the accommodating groove 423 is located below the guide groove 422 and is not communicated with the guide groove 422, a lower end of the screw 62 extends into the accommodating groove 423, and a cover plate 7 is mounted at an opening of the accommodating groove 423 through a bolt. A steering component 8 is arranged in the accommodating groove 423, the steering component 8 comprises a first bevel gear 81 and a second bevel gear 82 which are meshed in a ninety degree mode, and the first bevel gear 81 is coaxially and fixedly sleeved on the screw rod 62; the pivot 83 is worn to be equipped with by coaxial fixation on the two 82 bevel gears, pivot 83 and 41 parallel arrangement of second drift, and pivot 83 one end is rotated and is supported on the lateral wall on holding tank 423 perpendicular to ground, and other end transmission is worn to establish on apron 7, and the hexagonal hole has been seted up on the pivot 83 is close to the terminal surface of apron 7 to the processing personnel rotates pivot 83, and then rotates screw rod 62.
Referring to fig. 3 and 4, in order to further fix the position of the second punch 41, two sliding grooves 424 are formed in the sliding plate 42, the sliding grooves 424 are arranged in parallel with the guide groove 422, the cross section of each sliding groove 424 is "T" -shaped, the two sliding grooves 424 are respectively arranged on two sides of the guide groove 422, and two locking assemblies 9 for connecting the mounting plate 411 are arranged in each sliding groove 424; two locking holes 4111 are respectively formed in the upper side surface and the lower side surface of the mounting plate 411, the locking holes 4111 are U-shaped, and the locking holes 4111 correspond to the locking assemblies 9 one by one; the locking assembly 9 comprises a locking bolt 91 and a locking nut 92 which are mutually matched, the head of the locking bolt 91 is clamped in the sliding groove 424 in a sliding manner, the rod part of the locking bolt 91 vertically extends out of the sliding groove 424 and penetrates through the locking hole 4111, the locking nut 92 and the locking bolt 91 are screwed, the locking nut 92 and the mounting plate 411 are tightly attached to the side surface, far away from the sliding plate 42, of the mounting plate 411, and the mounting plate 411 can be further fixed on the sliding plate 42, so that the possibility that the mounting plate 411 displaces relative to the sliding plate 42 in the using process is reduced.
The implementation principle of the stamping device of the hydraulic forming machine for the transmission shaft accessories is as follows: firstly, the die cylinder 21 drives the die base 23 to drive the upper die 221 to descend and to be matched with the lower die 222, and a processing worker puts a raw material metal rod into a cavity formed by the upper die 221 and the lower die 222 from a feeding hole; then the first driving member 32 drives the first punch 31 to descend and insert into the feed opening, the two second punches 41 are simultaneously inserted between the upper die 221 and the lower die 222 from both sides of the die assembly 22 by the two second driving members 43, the raw material metal rod is extruded into the shape of the yoke 01, and the connecting hole 021 and the two ear holes 031 are formed, and further processing of the yoke 01 is facilitated without re-drilling.
When the shaft yoke 01 with different specifications needs to be molded, the mold assembly 22 can be replaced, the rotating shaft 83 drives the screw rod 62 to rotate so as to drive the guide block 61 to drive the mounting plate 411 and the second punch 41 to ascend, the guide block 61 is separated from the guide groove 422, then a new second punch 41 is mounted on the mounting plate 411, the rotating shaft 83 is rotated to adjust the new second punch 41 to a proper position, and the mounting plate 411 is locked through the four locking assemblies 9, so that the replacement and adjustment of the second punch 41 can be completed.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a transmission shaft accessory hydraulic forming machine stamping device, includes frame (1), mould subassembly (22) and is used for first punching subassembly (3) of punching press connecting hole (021), first punching subassembly (3) set up in mould subassembly (22) top, first punching subassembly (3) and mould subassembly (22) all set up on frame (1), its characterized in that: frame (1) is gone up the sliding and is provided with slide (42), slidable mounting has second drift (41) that are used for punching press ear hole (031) on slide (42), be provided with second driving piece (43) that are used for driving slide (42) and remove on frame (1).
2. The drive shaft fitting hydroforming machine punch device according to claim 1, characterized in that: the frame (1) is provided with a limiting part (5), the limiting part (5) is provided with a limiting groove (52), and the sliding plate (42) comprises a sliding part (421) in sliding fit with the limiting groove (52).
3. The drive shaft fitting hydroforming machine punch device according to claim 2, characterized in that: a wear-resistant plate (51) is attached to the lower portion of the sliding portion (421), and the wear-resistant plate (51) is installed on the machine frame (1).
4. The drive shaft fitting hydroforming machine press apparatus according to claim 1, characterized in that: the sliding direction of the second punch (41) relative to the sliding plate (42) is perpendicular to the sliding direction of the sliding plate (42) relative to the rack (1), and a control assembly (6) for adjusting the position of the second punch (41) on the sliding plate (42) is arranged on the sliding plate (42).
5. The drive shaft fitting hydroforming machine punch device according to claim 4, characterized in that: guide way (422) have been seted up on slide (42), screw rod (62) on guide block (61) are worn to establish including guide block (61) and the screw thread of sliding fit in guide way (422) in control assembly (6), screw rod (62) rotate to be installed on guide way (422) lateral wall, be provided with mounting panel (411) on second drift (41), guide block (61) set up on mounting panel (411).
6. The drive shaft fitting hydroforming machine punch device according to claim 5, characterized in that: one end of the guide groove (422) is in an open state, the other end of the guide groove is in a closed state, and the screw rod (62) is rotatably installed on the side wall of the guide groove (422) in the closed state.
7. The drive shaft fitting hydroforming machine punch device according to claim 6, characterized in that: be provided with on slide (42) and turn to subassembly (8), turn to subassembly (8) including intermeshing's bevel gear (81) and bevel gear two (82), bevel gear (81) cover is established on screw rod (62), wear to be equipped with pivot (83) on bevel gear two (82), pivot (83) rotate the support on slide (42), pivot (83) one end is located the slide (42) outside.
8. The drive shaft fitting hydroforming machine punching device according to any one of claims 5 to 7, characterized in that: at least one locking assembly (9) used for fixing the position of the mounting plate (411) is arranged between the sliding plate (42) and the mounting plate (411).
9. The drive shaft fitting hydroforming machine press apparatus according to claim 1, characterized in that: the number of the second punch heads (41) is two, and the two second punch heads (41) are oppositely arranged on two sides of the die assembly (22).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220224862.2U CN217192017U (en) | 2022-01-25 | 2022-01-25 | Stamping device of hydraulic forming machine for transmission shaft accessories |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220224862.2U CN217192017U (en) | 2022-01-25 | 2022-01-25 | Stamping device of hydraulic forming machine for transmission shaft accessories |
Publications (1)
Publication Number | Publication Date |
---|---|
CN217192017U true CN217192017U (en) | 2022-08-16 |
Family
ID=82794079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202220224862.2U Active CN217192017U (en) | 2022-01-25 | 2022-01-25 | Stamping device of hydraulic forming machine for transmission shaft accessories |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN217192017U (en) |
-
2022
- 2022-01-25 CN CN202220224862.2U patent/CN217192017U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN211413283U (en) | Stamping equipment for processing automobile stamping parts | |
CN111390008A (en) | Metal gasket stamping device for machining | |
CN110038948B (en) | High-precision punch press | |
US5603882A (en) | Piercing method and apparatus | |
CN217192017U (en) | Stamping device of hydraulic forming machine for transmission shaft accessories | |
CN217492415U (en) | Stamping die for automobile fastener | |
CN214348981U (en) | Punching machine for metal aluminum plate | |
CN212945025U (en) | Punch press mould convenient to dismantle | |
US3124019A (en) | Cold forming machine | |
CN111760967A (en) | Punch press with punching position fine adjustment function | |
CN110711837A (en) | Cold forging equipment portal frame formula panel centre gripping material feeding unit | |
CN111545619A (en) | Stamping forming equipment for sheet metal parts | |
JP3393010B2 (en) | Punch mounting position adjusting device in heading machine | |
CN217990638U (en) | Pressing punch fixing tool convenient to replace | |
JP3930395B2 (en) | Forging machine | |
CN112935088B (en) | Multifunctional modular aluminum profile stamping line | |
CN214720245U (en) | Sliding block adjusting device | |
CN216705615U (en) | Servo stamping device of bent axle formula resonance bar | |
CN213497431U (en) | Linkage hold-down mechanism for welding chassis of management machine | |
CN215143902U (en) | Multifunctional modular aluminum profile stamping line | |
CN214442400U (en) | Stamping device for refrigerator mould | |
CN216782118U (en) | Precision fine adjustment structure and die-cutting machine adopting same | |
CN216503577U (en) | Tool supporting positioning device that punches | |
CN216683486U (en) | High-stability press machine | |
CN213410066U (en) | Replacement structure of die head for automobile part stamping die |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |