CN220005840U - Shaft tube extrusion forming die - Google Patents
Shaft tube extrusion forming die Download PDFInfo
- Publication number
- CN220005840U CN220005840U CN202321345839.XU CN202321345839U CN220005840U CN 220005840 U CN220005840 U CN 220005840U CN 202321345839 U CN202321345839 U CN 202321345839U CN 220005840 U CN220005840 U CN 220005840U
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- China
- Prior art keywords
- lower die
- shaft tube
- die
- arc
- seat
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- 238000001125 extrusion Methods 0.000 title claims abstract description 20
- 239000002775 capsule Substances 0.000 claims description 11
- 239000007788 liquid Substances 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 abstract description 2
- 238000006073 displacement reaction Methods 0.000 description 3
- 238000004080 punching Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses an axle tube extrusion molding die, which relates to the field of molding dies, and comprises an upper die, a lower die and an axle tube, wherein the upper die comprises an upper die and an upper die plate fixed at the upper end of the upper die, the lower die comprises a lower die corresponding to the upper die and a lower die plate fixed at the lower end of the lower die, the axle tube can be placed in the lower die, and the axle tube also comprises a buffer protection component and a clamping mechanism.
Description
Technical Field
The utility model belongs to the technical field of forming dies, and particularly relates to an extrusion forming die for a shaft tube.
Background
The mold is a tool for manufacturing molded articles, the tool is composed of various parts, different molds are composed of different parts, the processing of the appearance of the articles is realized mainly through the change of the physical state of molded materials, the extrusion molding of the automobile rear axle tube refers to the fact that one end of the automobile rear axle tube is cylindrical, the other end of the axle tube is required to be extruded through a cold stamping mold to be changed into a conical structure, connection with another accessory is realized, and the bending moment requirements of different positions in the axial direction of the axle tube are met.
Disclosure of Invention
Aiming at the problems existing in the prior art, the utility model provides the shaft tube extrusion forming die which can ensure the stability of the shaft tube during forming.
The utility model solves the technical problems by adopting the scheme that: the shaft tube extrusion forming die comprises an upper die, a lower die and a shaft tube, wherein the upper die comprises an upper die and an upper die plate fixed at the upper end of the upper die, the lower die comprises a lower die corresponding to the upper die and a lower die plate fixed at the lower end of the lower die, the shaft tube can be placed in the lower die, the shaft tube extrusion forming die further comprises a buffer protection component and a clamping mechanism, the buffer protection component comprises a lower die seat arranged below the lower die plate, a buffer empty slot is formed in the lower die seat, a pressing block matched with the buffer empty slot is connected below the lower die plate, the lower die plate is vertically sleeved on the lower die seat through a guide piece, a bag body corresponding to the pressing block is further arranged in the buffer empty slot, a liquid medium is arranged in the bag body, and a guide piece is connected between the lower die plate and the lower die seat; the clamping mechanism comprises a fixed sleeve symmetrically connected to the lower die plate, a movable rod is sleeved in the fixed sleeve in a sliding manner, a spring is arranged between the movable rod and the fixed sleeve, an arc-shaped clamping seat is fixed on the inner side of the upper end of the movable rod, a cavity is arranged in the arc-shaped clamping seat, a piston clamping block is arranged in the cavity, and the cavity is connected with the capsule body through a guide pipe; when the shaft tube is extruded and formed, the arc-shaped clamping seat clamps the shaft tube, the shaft tube in the lower die cavity can be stressed to downwards press the lower die plate and buffer the shaft tube through the capsule body, meanwhile, liquid medium in the capsule body is pressed into the cavity to push out the piston clamping block outwards, and the auxiliary clamping is carried out on the shaft rod again, so that the shaft tube is kept stable when being stressed and formed.
Furthermore, the middle part of the conduit is of a telescopic structure, and the conduit is movably arranged on the lower template in a penetrating way.
Further, the guide members are symmetrically arranged at two side parts of the lower template.
Further, the guide piece is a guide rod fixedly connected to the lower surface of the lower die plate, a through groove matched with the guide rod is formed in the lower die base, and the guide rod movably penetrates through the through groove.
Further, the arc-shaped clamping seat and the piston clamping block are of arc-shaped structures matched with the shape of the shaft tube.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the clamping mechanism and the buffer protection assembly are arranged, when the shaft tube is extruded and formed, the shaft tube can be subjected to larger force, the lower die plate and the pressing block can be pushed to displace slightly, the bag body is extruded, the bag body can provide buffer protection for the lower end of the shaft tube, meanwhile, the pressing block moves downwards, the liquid medium in the bag body can be pushed to enter the cavity in the arc-shaped clamping seat through the guide pipe, the piston clamping blocks are pushed to move outwards, the shaft tube is clamped tightly by the two piston clamping blocks in an auxiliary mode, and the greater the stress of the shaft tube is, the greater the clamping force is, the higher the stability of the shaft tube is, and the extrusion forming quality of the shaft tube can be improved.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of the present utility model;
FIG. 3 is a schematic perspective view of the present utility model;
FIG. 4 is a schematic perspective view of the present utility model;
fig. 5 is a schematic perspective view of the present utility model.
In the figure: 1. an upper die; 101. a top mold; 102. an upper template; 2. a lower die; 201. a lower die; 202. a lower template; 3. a buffer protection assembly; 301. a lower die holder; 302. a bladder; 303. a conduit; 304. briquetting; 305. a through groove; 306. a guide rod; 4. a clamping mechanism; 401. fixing the sleeve; 402. a movable rod; 403. a spring; 404. an arc-shaped clamping seat; 405. a cavity; 406. a piston clamp block; 5. and a shaft tube.
Description of the embodiments
The utility model will be further described with reference to the drawings and examples.
Referring to fig. 1 to 5, the present utility model provides a technical solution for an extrusion molding die for a shaft tube:
examples
According to the embodiment shown in fig. 1 and 3, the device comprises an upper die 1 and a lower die 2, wherein the upper die 1 comprises an upper die 101 and an upper die plate 102 fixedly connected to the upper die 101, the upper die plate 102 can be connected with a stamping part to drive the upper die 101 to punch downwards, a shaft tube 5 is extruded and formed, the lower die 2 comprises a lower die 201 corresponding to the upper die 101 and a lower die plate 202 connected to the lower end of the lower die 201, a shaft tube 5 to be extruded and formed can be placed in the lower die 201, the device further comprises a buffer protection assembly 3 and a clamping mechanism 4, a lower die holder 301 is arranged below the lower die plate 202, a buffer empty slot is formed in the upper surface of the lower die holder 301, a pressing block 304 movably sleeved in the buffer empty slot is fixedly connected to the lower surface of the lower die plate 202, symmetrically arranged guide pieces are connected between the lower die plate 202 and the lower die holder 301, the guide pieces are guide rods 306 fixedly connected to the lower surface of the lower die plate 202, through slots 305 matched with the guide rods 306 are movably arranged in the through slots 305, a bag body 302 is arranged in the buffer empty slot 304, a pressing block 302 is arranged in the buffer slot, a small amount of the bag body 302 is arranged in the buffer slot 302, and the lower end of the bag body 302 is arranged at the lower end of the buffer protection assembly, when the lower die body is pressed by a small amount, the shaft tube 5 is pressed and the shaft tube 5 is extruded and the lower die 5, the buffer empty tube is pressed, and the lower die body is subjected to the displacement, and the displacement, when the pressing force is 5 is pressed and the pressing protection body is subjected to the pressing, and the pressing force, and a small amount to the pressing force is subjected to the pressing, and to the pressing force to the pressing; the fixture 4 comprises a connecting piece which is symmetrically and fixedly connected to the lower die plate 202, the connecting piece comprises a fixed sleeve 401 which is symmetrically connected to the lower die plate, a movable rod 402 is sleeved in the fixed sleeve 401 in a sliding manner, a spring 403 is connected between the movable rod 402 and the fixed sleeve 401, an arc clamping seat 404 is fixedly connected to the inner side of the upper end of the movable rod 402, a piston clamping block 406 is movably sleeved in the arc clamping seat 404 as shown in fig. 4, the arc clamping seat 404 and the piston clamping block 406 are both arranged into arc structures matched with the shaft tube 5, a hollow groove is formed in the arc clamping seat 404, the inner side of the piston clamping block 406 is matched with the hollow groove to form a cavity 405, the cavity 405 is communicated with the capsule 302 through a guide pipe 303, the middle part of the guide pipe 303 is of a telescopic structure, when the shaft tube 5 is subjected to force molding, the pressing block 304 moves downwards, a liquid medium in the capsule 302 is pushed to enter the cavity 405 through the guide pipe 303, the piston clamping block 406 is pushed to move towards the middle, the shaft tube 5 is tightly clamped, the extrusion molding quality of the shaft tube 5 is improved, after the shaft tube 5 is molded, the inner side of the hollow groove is matched with the shaft tube 5, and the arc clamping block 404 can be restored to the arc clamping seat 2 by hands.
When the shaft tube extrusion molding die is used, firstly, the shaft tube 5 passes through the arc-shaped clamping seat 404 to be placed in the die cavity of the lower die 201, the shaft tube 5 is initially clamped through the arc-shaped clamping seat 404, meanwhile, the upper die plate 102 is connected with the punching machine mechanism, during extrusion molding, the punching machine mechanism controls the upper die 101 to move downwards, the upper end of the shaft tube 5 is extruded and molded through the upper die 101, when the shaft tube 5 is subjected to larger force during extrusion force application, the lower die plate 202 and the pressing block 304 are pressed to displace downwards, the pressing block 304 is used for extruding the capsule body 302 to provide buffer protection for the lower end of the shaft tube 5, meanwhile, the pressing block 304 is used for pressing the capsule body 302, liquid medium pressed in the capsule body 302 is pressed into the cavities 405 in the arc-shaped clamping seats 404 at two sides through the guide pipes 303, the liquid medium pressed in the cavities 405 pushes the piston clamping blocks 406 to move outwards, the shaft tube 5 is tightly clamped through the two piston clamping blocks 406, the shaft tube 5 is kept stable during extrusion molding, deflection is avoided, and the shaft tube 5 is stressed greatly, and the stability of the shaft tube 5 is higher the higher.
Examples
On the basis of the first embodiment, as shown in fig. 3, the guide members are two groups of guide rods 306 which are rectangular and fixedly connected to the lower surface of the lower die plate 202, two groups of through grooves 305 corresponding to the guide rods 306 are formed in the lower die base 301, the guide rods 306 are movably arranged in the through grooves 305 in a penetrating manner, the guide rods 306 can provide a guide function for the lower die plate 202, so that the lower die plate 202 can be kept stable in a small amount of displacement, and the lower die plate 202 can be prevented from being separated from the lower die base 301.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the particular embodiments disclosed, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (5)
1. The utility model provides a central siphon extrusion forming mould, includes mould, lower mould and central siphon, and the upper mould includes the cope match-plate pattern of cope match-plate pattern and fixing in the cope match-plate pattern upper end, and the lower mould includes the bed die that corresponds with the cope match-plate pattern and fixes the lower bolster at the bed die lower extreme, and the central siphon can be placed in the bed die, its characterized in that: the buffer protection assembly comprises a lower die seat arranged below a lower die plate, a buffer empty groove is formed in the lower die seat, a pressing block matched with the buffer empty groove is connected below the lower die plate, the lower die plate is vertically sleeved on the lower die seat through a guide piece, a bag body corresponding to the pressing block is further arranged in the buffer empty groove, a liquid medium is arranged in the bag body, and the guide piece is connected between the lower die plate and the lower die seat; the clamping mechanism comprises a fixed sleeve symmetrically connected to the lower die plate, a movable rod is sleeved in the fixed sleeve in a sliding manner, a spring is arranged between the movable rod and the fixed sleeve, an arc-shaped clamping seat is fixed on the inner side of the upper end of the movable rod, a cavity is arranged in the arc-shaped clamping seat, a piston clamping block is arranged in the cavity, and the cavity is connected with the capsule body through a guide pipe; when the shaft tube is extruded and formed, the arc-shaped clamping seat clamps the shaft tube, the shaft tube in the lower die cavity can be stressed to downwards press the lower die plate and buffer the shaft tube through the capsule body, meanwhile, liquid medium in the capsule body is pressed into the cavity to push out the piston clamping block outwards, and the auxiliary clamping is carried out on the shaft rod again, so that the shaft tube is kept stable when being stressed and formed.
2. The shaft tube extrusion die as set forth in claim 1, wherein: the middle part of the conduit is of a telescopic structure, and the conduit is movably arranged on the lower template in a penetrating way.
3. The shaft tube extrusion die as set forth in claim 1, wherein: the guide parts are symmetrically arranged at two side parts of the lower template.
4. The shaft tube extrusion die as set forth in claim 1, wherein: the guide piece is a guide rod fixedly connected to the lower surface of the lower die plate, a through groove matched with the guide rod is formed in the lower die base, and the guide rod movably penetrates through the through groove.
5. The shaft tube extrusion die as set forth in claim 1, wherein: the arc clamping seat and the piston clamping block are arc structures matched with the shape of the shaft tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345839.XU CN220005840U (en) | 2023-05-30 | 2023-05-30 | Shaft tube extrusion forming die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321345839.XU CN220005840U (en) | 2023-05-30 | 2023-05-30 | Shaft tube extrusion forming die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220005840U true CN220005840U (en) | 2023-11-14 |
Family
ID=88675420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321345839.XU Active CN220005840U (en) | 2023-05-30 | 2023-05-30 | Shaft tube extrusion forming die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220005840U (en) |
-
2023
- 2023-05-30 CN CN202321345839.XU patent/CN220005840U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |