CN219746199U - Gear shaft closed extrusion forging and pressing mould - Google Patents
Gear shaft closed extrusion forging and pressing mould Download PDFInfo
- Publication number
- CN219746199U CN219746199U CN202321086499.3U CN202321086499U CN219746199U CN 219746199 U CN219746199 U CN 219746199U CN 202321086499 U CN202321086499 U CN 202321086499U CN 219746199 U CN219746199 U CN 219746199U
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- Prior art keywords
- lower die
- die
- gear shaft
- fixedly arranged
- bottom plate
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- 238000001125 extrusion Methods 0.000 title claims abstract description 23
- 238000005242 forging Methods 0.000 title claims abstract description 18
- 238000003825 pressing Methods 0.000 title claims description 5
- 238000009434 installation Methods 0.000 claims description 7
- 238000004080 punching Methods 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000004308 accommodation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Forging (AREA)
Abstract
The utility model provides a gear shaft closed extrusion forging die which comprises a bottom plate, wherein a fixed block is fixedly arranged on the bottom plate, a first lower die is fixedly arranged in the fixed block, a second lower die is slidably arranged on the first lower die, a hollow column is fixedly arranged at the bottom of the second lower die, a telescopic ejector rod is fixedly arranged at the bottom of the bottom plate, and the other end of the telescopic ejector rod is positioned in the hollow column. The telescopic ejection rod drives the hollow column to ascend, the second lower die drives the formed gear shaft to move upwards together until the upper part of the formed gear shaft is ejected to a position where a manual or mechanical arm can pull out, a blanking link is carried out, the integrity of the die is ensured, the forming quality is ensured, and meanwhile, the ejector block is prevented from directly contacting with a blank body to influence the forming of the blank body.
Description
Technical Field
The utility model relates to the technical field of gear shaft forging and pressing dies, in particular to a closed extrusion molding forging and pressing die for a gear shaft.
Background
The gear shaft is a core component for the machine to drive, the quality of the gear shaft directly influences the running reliability and the safety of the machine, and the quality of the manufacturing process not only determines the quality of the product, but also plays a role in determining the manufacturing cost of the product.
Through the search of the inventor, a patent with the publication number of CN211191857U is found, and the name is: the closed extrusion forging die for the output gear shaft comprises an extrusion barrel and a lower die, wherein the extrusion barrel is movably connected with a punch fixing seat right above the extrusion barrel through a pull rod of the extrusion barrel, and the end part of an extrusion punch on the punch fixing seat is in sliding fit with an upper die cavity in the extrusion barrel.
The device is risen and then makes fashioned gear shaft break away from through ejector pin drive top, and there is the wholeness that has influenced the lower mould in the device in the kicking block, and in order to avoid the kicking block to influence gear lever bottom shape, the kicking block just needs to laminate completely with the lower mould bottom, in long-term use, because the wearing and tearing that long-time reciprocal vertical motion brought, the laminating degree of internal surface, kicking block and the lower mould of lower mould all can be influenced, and the gear shaft quality of producing is unstable, needs to carry out manual work and repair.
Disclosure of Invention
(one) solving the technical problems
The utility model mainly solves the technical problems in the prior art, and provides a gear shaft closed extrusion molding forging die, wherein a telescopic ejector rod drives a hollow column to ascend, a second lower die drives a molded gear shaft to move upwards together until the upper part of the molded gear shaft is ejected to a position where a manual or mechanical arm can be pulled out, a blanking link is performed, the integrity of the die is ensured, the molding quality is ensured, meanwhile, a jacking block is prevented from being directly contacted with a blank body, the molding of the blank body is influenced, and the bottom of a first lower die can exactly and completely accommodate the upper end of the second lower die, so that the flatness of the gear shaft can be ensured, and the production quality of the gear shaft is further ensured.
(II) technical scheme
In order to solve the technical problems, the utility model provides a gear shaft closed extrusion forging die which comprises a bottom plate, wherein the bottom of the bottom plate is fixedly provided with supporting legs, a fixed block is fixedly arranged on the bottom plate, a first lower die is fixedly arranged in the fixed block, and a second lower die is slidably arranged on the first lower die;
the bottom of the second lower die is fixedly provided with a hollow column;
the bottom of the bottom plate is fixedly provided with a telescopic ejector rod, and the other end of the telescopic ejector rod is positioned in the hollow column;
the mounting frame is fixedly arranged on the bottom plate, the air cylinder is arranged on the mounting frame, and the stamping head is fixedly arranged at the output end of the shaft part of the air cylinder;
two guide rods are fixedly arranged on the fixed block, sliding blocks are slidably arranged on the two guide rods, accommodating blocks are fixedly arranged on the two sliding blocks, and an upper die is fixedly arranged between the two accommodating blocks.
Preferably, the two holding blocks are slidably mounted in the holding block, a spring is fixedly mounted on the holding block, the other end of the spring is fixedly mounted in the holding block, a connecting block is fixedly mounted between the two holding blocks, and the connecting block is fixedly connected with the output end of the air cylinder.
Preferably, the top view of the lower part of the first lower die is two concentric circles, the cross section of the lower die is two layers of steps, the upper end of the second lower die is circular, and the size of the second lower die is the same as that of the lower circular in the first lower die.
Preferably, two chute plates are fixedly arranged at the bottom of the first lower die; two sliding blocks are fixedly arranged on the second lower die; the sliding block slides in the sliding groove plate.
Preferably, the axes of the second lower die, the first lower die, the upper die and the stamping head are on the same straight line, and the upper die does not shield the stamping head from moving in the vertical direction.
Preferably, the fixed block is provided with a groove capable of accommodating the sliding block.
Advantageous effects
The utility model provides a gear shaft closed extrusion molding forging die. The beneficial effects are as follows:
(1) This gear shaft closed extrusion forging mould, through the design of flexible ejector rod, the connecting block, the draw runner plate, the second lower mould, slider and hollow post, flexible ejector rod drives hollow post and rises, the second lower mould can drive the gear shaft that the shaping is good and upwards move together, until the upper portion with the fashioned gear shaft is pushed up to the position that manual work or manipulator can pull out, carry out the link of unloading, guarantee the mould integrality, avoided the ejector block direct with the idiosome contact when guaranteeing fashioned quality, influence the shaping of idiosome, and the bottom of first lower mould just can hold the upper end of second lower mould completely, thereby the roughness of the gear shaft that can guarantee, further guaranteed the production quality of gear shaft.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic diagram of a stamping structure of the present utility model;
FIG. 3 is a schematic diagram of the lower die connection of the structure of the present utility model;
fig. 4 is a schematic cross-sectional view of a structural mold of the present utility model.
Legend description:
1. a bottom plate; 2. support legs; 3. a telescopic ejector rod; 4. a fixed block; 5. a mounting frame; 6. an upper die; 7. a guide rod; 8. punching heads; 9. a cylinder; 10. a first lower die; 11. a sliding block; 12. a receiving block; 13. a spring; 14. a mounting block; 15. a connecting block; 16. a chute plate; 17. a second lower die; 18. a slide block; 19. a hollow column.
Detailed Description
In order to better understand the purpose, structure and function of the present utility model, the following describes in detail a gear shaft closed extrusion forging die with reference to the accompanying drawings.
As shown in fig. 1 to 4, the closed extrusion forging die for the gear shaft of the first embodiment of the present utility model includes a bottom plate 1, a supporting leg 2 is fixedly installed at the bottom of the bottom plate 1, a fixed block 4 is fixedly installed on the bottom plate 1, a first lower die 10 is fixedly installed in the fixed block 4, a second lower die 17 is slidably installed on the first lower die 10, the first lower die 10 and the second lower die 17 can shape the lower half portion of the gear shaft, and the second lower die 17 can move in the vertical direction, so that the forged gear shaft can be ejected out, and the collection is convenient;
the bottom of the second lower die 17 is fixedly provided with a hollow column 19, and the second lower die 17 moves along with the hollow column 19 by lifting the hollow column 19;
the bottom of the bottom plate 1 is fixedly provided with a telescopic ejector rod 3, the other end of the telescopic ejector rod 3 is positioned in the hollow column 19, and one end of the telescopic ejector rod 3 can perform lifting movement and is positioned in the hollow column 19, so that the hollow column 19 can be driven to ascend;
the mounting frame 5 is fixedly mounted on the bottom plate 1, the air cylinder 9 is mounted on the mounting frame 5, the stamping head 8 is fixedly mounted at the output end of the shaft part of the air cylinder 9, and the air cylinder 9 can enable the stamping head 8 to descend, so that the gear shaft can be stamped and shaped;
two guide rods 7 are fixedly arranged on the fixed block 4, and the guide rods 7 can limit the movement track;
the two guide rods 7 are provided with sliding blocks 11 in a sliding mode, the two sliding blocks 11 are provided with accommodating blocks 12 in a fixed mode, an upper die 6 is fixedly arranged between the two accommodating blocks 12, and the upper die 6 provides shaping movement for the upper portion of the gear shaft through stamping of the stamping head 8.
The inside of two accommodation blocks 12 all slidable mounting has installation piece 14, and fixed mounting has spring 13 on the installation piece 14, and installation piece 14 is moving in accommodation block 12 inside, and the other end fixed mounting of spring 13 is in accommodation block 12's inside, and fixed mounting has connecting block 15 between two installation pieces 14, and connecting block 15 and the output fixed connection of cylinder 9, when cylinder 9 drove ram head 8 and descends, connecting block 15 also descends, then upper mould 6 also descends along with it.
The top view of the lower part of the first lower die 10 is two concentric circles, the cross section of the lower die is two layers of steps, the upper end of the second lower die 17 is circular, the lower end of the second lower die is the same as the lower circular in the first lower die 10 in size, and the bottom of the first lower die 10 can just completely accommodate the upper end of the second lower die 17, so that the flatness of the gear shaft can be ensured.
Two runner plates 16 are fixedly installed at the bottom of the first lower die 10; two sliding blocks 18 are fixedly mounted on the second lower die 17, and the sliding blocks 18 slide in the sliding groove plate 16.
The axes of the second lower die 17, the first lower die 10, the upper die 6 and the stamping head 8 are on the same straight line, the upper die 6 does not shield the stamping head 8 from moving in the vertical direction, and the stamping head 8 can perform the next operation on the gear shaft to be stamped and pressed in the second lower die 17, the first lower die 10 and the upper die 6.
The fixed block 4 is provided with a groove which can accommodate the sliding block 11, and when the sliding block 11 is completely positioned in the groove, the lifting of the sliding block 11 can be limited by a certain tool, so that the cylinder 9 can drive the punching head 8 to punch for a plurality of times, and the quality of the produced gear shaft is ensured.
The workflow of the utility model; the manufactured material adopts rolled round steel, the blank is placed into a heating furnace for heating, the blank is heated to 1180 ℃, then the heat is preserved for one half hour, then the blank is taken out of the furnace by a mechanical handle, at the moment, the die is preheated, and a glass lubricating pad for extreme pressure lubrication is placed at the opening of the first lower die 10 before the blank is placed.
The heated blank is taken out of the heating furnace, placed in the center of the second lower die 17, then the cylinder 9 is started, when the stamping head 8 is driven to descend, the connecting block 15 descends, the upper die 6 descends together with the lower die, and after the upper die 6 contacts with the surface of the fixed block 4, the blank is positioned in the complete target die formed by the second lower die 17, the first lower die 10 and the upper die 6.
Due to the presence of the spring 13 and the movement of the mounting block 14 inside the containing block 12, the cylinder 9 can drive the punch 8 to continue to descend downwards after the upper die 6 is in contact with the surface of the fixed block 4, so as to upset the blank.
When the sliding block 11 is completely positioned in the groove, the lifting of the sliding block 11 can be limited by a certain tool, so that the cylinder 9 can drive the punching head 8 to punch for a plurality of times, and the quality of the produced gear shaft is ensured.
After the molding is completed, the cylinder 9 drives other equipment to rise, then one end of the telescopic ejector rod 3 is lifted, the hollow column 19 is driven to rise, the second lower die 17 moves upwards together with the molded gear shaft, at the moment, the sliding block 18 slides in the sliding groove plate 16 until the upper part of the molded gear shaft is lifted to a position where a manual or mechanical arm can pull out, and a blanking link is performed.
After the blanking is completed, the telescopic ejector rod 3 is retracted, and the upper end of the second lower die 17 can be completely accommodated by the bottom of the first lower die 10, so that the flatness of the gear shaft can be ensured.
It will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (6)
1. The utility model provides a gear shaft closed extrusion forging and pressing mould, includes bottom plate (1), the bottom fixed mounting of bottom plate (1) has supporting leg (2), its characterized in that: a fixed block (4) is fixedly arranged on the bottom plate (1), a first lower die (10) is fixedly arranged in the fixed block (4), and a second lower die (17) is slidably arranged on the first lower die (10);
a hollow column (19) is fixedly arranged at the bottom of the second lower die (17);
the bottom of the bottom plate (1) is fixedly provided with a telescopic ejector rod (3), and the other end of the telescopic ejector rod (3) is positioned in the hollow column (19);
the base plate (1) is fixedly provided with a mounting frame (5), the mounting frame (5) is provided with a cylinder (9), and the output end of a shaft part of the cylinder (9) is fixedly provided with a punching head (8);
two guide rods (7) are fixedly mounted on the fixed block (4), sliding blocks (11) are slidably mounted on the guide rods (7), accommodating blocks (12) are fixedly mounted on the sliding blocks (11), and an upper die (6) is fixedly mounted between the accommodating blocks (12).
2. The closed extrusion forging die for a gear shaft according to claim 1, wherein: the inside of two holding piece (12) is all slidable mounting has installation piece (14), fixed mounting has spring (13) on installation piece (14), the other end fixed mounting of spring (13) is in the inside of holding piece (12), two fixed mounting has connecting block (15) between installation piece (14), connecting block (15) and the output fixed connection of cylinder (9).
3. The closed extrusion forging die for a gear shaft according to claim 1, wherein: the top view of the lower part of the first lower die (10) is in two concentric circular rings, the cross section of the lower die is in two layers of steps, the upper end of the second lower die (17) is in a circular ring shape, and the size of the second lower die is the same as that of the lower circular ring in the first lower die (10).
4. The closed extrusion forging die for a gear shaft according to claim 1, wherein: two chute plates (16) are fixedly arranged at the bottom of the first lower die (10); two sliding blocks (18) are fixedly arranged on the second lower die (17); the slider (18) slides inside the runner plate (16).
5. The closed extrusion forging die for a gear shaft according to claim 1, wherein: the axes of the second lower die (17), the first lower die (10), the upper die (6) and the stamping head (8) are positioned on the same straight line, and the upper die (6) does not shield the stamping head (8) from moving in the vertical direction.
6. The closed extrusion forging die for a gear shaft according to claim 1, wherein: the fixed block (4) is provided with a groove which can accommodate the sliding block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086499.3U CN219746199U (en) | 2023-05-09 | 2023-05-09 | Gear shaft closed extrusion forging and pressing mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321086499.3U CN219746199U (en) | 2023-05-09 | 2023-05-09 | Gear shaft closed extrusion forging and pressing mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219746199U true CN219746199U (en) | 2023-09-26 |
Family
ID=88092796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321086499.3U Active CN219746199U (en) | 2023-05-09 | 2023-05-09 | Gear shaft closed extrusion forging and pressing mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219746199U (en) |
-
2023
- 2023-05-09 CN CN202321086499.3U patent/CN219746199U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |