CN216027813U - Preforming device for synchronizer gear sleeve blank - Google Patents
Preforming device for synchronizer gear sleeve blank Download PDFInfo
- Publication number
- CN216027813U CN216027813U CN202122220190.6U CN202122220190U CN216027813U CN 216027813 U CN216027813 U CN 216027813U CN 202122220190 U CN202122220190 U CN 202122220190U CN 216027813 U CN216027813 U CN 216027813U
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- China
- Prior art keywords
- stress ring
- base
- inclination
- pressing module
- cooling liquid
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- 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.)
- Expired - Fee Related
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- 238000003825 pressing Methods 0.000 claims abstract description 19
- 239000000110 cooling liquid Substances 0.000 claims description 26
- 239000007921 spray Substances 0.000 claims description 10
- 238000004064 recycling Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000005242 forging Methods 0.000 abstract description 8
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000011084 recovery Methods 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 1
- 206010053615 Thermal burn Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a preforming device for a synchronizer gear sleeve blank, which comprises a base and an upper pressing module, wherein the middle part of the top surface of the base is upwards provided with a lower die, the lower die is externally sleeved with a lower stress ring, the lower stress ring is installed on the base through a bolt, the base is internally provided with a jacking rod for ejecting a workpiece, the upper end of the jacking rod is arranged in the lower die, the middle part of the bottom surface of the upper pressing module is downwards provided with an upper die corresponding to the lower die, the upper die is externally sleeved with an upper stress ring, the upper stress ring is installed on the upper pressing module through a bolt, the left side and the right side of the base are respectively provided with a side support frame for supporting the upper pressing module, the inner side surfaces of the side support frames are provided with guide rails, the left side and the right side of the upper pressing module are respectively provided with a sliding chute matched with the guide rails, and the upper stress ring can move up and down along with the upper pressing module. The device is used for the pre-forming process, and changes the direct forging forming of the workpiece subjected to upsetting in the middle of the traditional technology, thereby reducing the difficulty of the forming process and reducing the probability of unqualified products.
Description
Technical Field
The utility model belongs to the technical field of processing and manufacturing of synchronizer gear sleeves, and particularly relates to a preforming device for a synchronizer gear sleeve blank.
Background
The gear ring of the automobile synchronizer is one of important parts in the automobile synchronizer. In the prior art, when a blank for machining a synchronizer gear ring is manufactured, a steel pipe is blanked, upset, formed and punched in a common mode. But the blank is directly forged from an oval solid blank, so that the forging difficulty is high, and unqualified products are easy to appear.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a preforming device for a synchronizer gear sleeve blank, which is used for preliminarily forging the blank and is convenient for subsequent processing, so that the defective rate is reduced.
Therefore, the technical scheme adopted by the utility model is as follows: a preforming device for a synchronizer gear sleeve blank comprises a base and an upper pressing module, wherein a lower die is arranged upwards in the middle of the top surface of the base, a lower stress ring is sleeved outside the lower die and is arranged on a base through a bolt, a jacking rod for ejecting a workpiece is arranged in the base, the upper end of the jacking rod is arranged in the lower die, the middle part of the bottom surface of the upper die set is downwards provided with an upper die corresponding to the lower die, an upper stress ring is sleeved outside the upper die and is arranged on the upper pressing die set through a bolt, the left side and the right side of the base are both provided with side supporting frames for supporting the upper die set, the inner side surfaces of the side supporting frames are provided with guide rails for the upper die set to move up and down, the left side and the right side of the upper pressing module are provided with sliding grooves matched with the guide rails, and the upper die and the upper stress ring can move up and down along with the upper pressing module.
Preferably, the cooling system is further provided with a cooling liquid spray pipe, the base is provided with a recovery device for recovering the cooling liquid, the recovery device comprises a filter for filtering impurities in the cooling liquid and a condenser for reducing the temperature of the cooling liquid, and the recovery device is communicated with the cooling liquid spray pipe to form the recycling of the cooling liquid.
Further preferably, the outer ring of the lower die is provided with a first inclination gradually increasing downwards, the inner hole of the lower stress ring is provided with a second inclination gradually increasing downwards, and the first inclination is matched with the second inclination; the outer ring of the upper die is provided with a third inclination which gradually increases upwards, the inner hole of the upper stress ring is provided with a fourth inclination which gradually increases upwards, and the third inclination is matched with the fourth inclination.
Preferably, the upper stress ring and the lower stress ring are provided with three bolt mounting holes, the three bolt mounting holes are uniformly distributed along corresponding axes, the bolt mounting holes are communicated with corresponding outer circular surfaces, and the bolt mounting holes are counter bores.
The utility model has the beneficial effects that: when the forging die works, an upset workpiece is placed on the lower die, then the upper die set with the upper die moves downwards along the guide rail, the workpiece is initially forged, after the forging is finished, the jacking rod moves upwards to eject the workpiece, and then the workpiece is taken out; the whole forging is preliminary forging, preparation is made for subsequent forming procedures, and direct forging forming of workpieces subjected to upsetting in the middle of the traditional technology is changed, so that the difficulty of the forming procedures is reduced, and the probability of unqualified products is reduced.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
FIG. 2 is a schematic view showing the installation of the upper and lower dies of the present invention.
Detailed Description
The utility model will be further illustrated by the following examples in conjunction with the accompanying drawings:
as shown in fig. 1-2, a preforming device for a synchronizer gear sleeve blank mainly comprises a base 1 and an upper pressing die set 2, wherein a lower die 3 is arranged upwards in the middle of the top surface of the base 1, a lower stress ring 4 is sleeved outside the lower die 3, the lower stress ring 4 is installed on the base 1 through a bolt, a gap is reserved between the lower stress ring 4 and the base 1, a lifting rod 5 for ejecting a workpiece is arranged in the base 1, and the upper end of the lifting rod 5 is arranged in the lower die 3. An upper die 6 corresponding to the lower die 3 is downwards arranged in the middle of the bottom surface of the upper die set 2, an upper stress ring 7 is sleeved outside the upper die 6, the upper stress ring 7 is installed on the upper die set 2 through a bolt, and a certain gap is reserved between the upper stress ring 7 and the upper die set 2.
The left side and the right side of the base 1 are respectively provided with a side supporting frame 8 used for supporting the upper die set 2, the inner side of each side supporting frame 8 is provided with a guide rail 9 used for the upper die set 2 to move up and down, the left side and the right side of the upper die set 2 are respectively provided with a sliding groove matched with the guide rails 9, and the upper die 6 and the upper stress ring 7 can move up and down along with the upper die set.
In order to facilitate the demoulding of the workpiece after the pre-forming and prevent the lower die 3 from deforming due to the overhigh temperature of the workpiece, the device is also provided with a cooling liquid spray pipe 10, and after the upper pressing die set 2 moves upwards to enable the upper die 6 to leave the workpiece, the cooling liquid spray pipe starts to spray cooling liquid to the lower die 3. Meanwhile, when the cooling liquid is prevented from flowing around, baffles are arranged on the front side and the rear side of the base 1, a recovery device used for recovering the cooling liquid is arranged on the base 1, the recovery device comprises a cooling liquid recovery tank, a filter 11 used for filtering impurities in the cooling liquid and a condenser 12 used for reducing the temperature of the cooling liquid, the cooling liquid recovery tank, the filter 11 and the condenser 12 are sequentially connected through pipelines, and the recovery device is communicated with the cooling liquid spray pipe 10 to form recycling of the cooling liquid.
For guaranteeing that lower mould 3 or last mould 6 can be stable install in the stress ring that corresponds, be provided with the first inclination that progressively enlarges downwards in the outer lane of lower mould 3, the hole correspondence of lower stress ring 4 is provided with the second inclination that progressively enlarges downwards, and first inclination and second inclination phase-match, during the installation, lower mould 3 is followed and is upwards impressed in the stress ring 4 down, because the upper end of lower mould 3 is restricted by stress ring 4 down, the lower extreme of lower mould 3 supports on base 1, make in the course of the work, lower mould 3 can not drop at will. The outer lane of going up mould 6 is provided with the gradual increase third inclination that makes progress, and the hole correspondence of going up stress circle 7 is provided with the gradual increase fourth inclination that makes progress, and third inclination and fourth inclination phase-match, during the installation, goes up mould 6 from the top down and impresses in last stress circle 7, because the lower extreme of going up mould 6 is by stress circle 7 restriction down, goes up the upper end of mould 6 and supports on last pressure module 2 for in the course of the work, go up mould 6 and can not deviate from at will.
In order to ensure that the stress ring can be fixed correspondingly, three bolt mounting holes a are formed in the upper stress ring 7 and the lower stress ring 4 and are uniformly distributed along the corresponding axis, so that the three bolt mounting holes a form a triangle and are fixed, and the three bolt mounting holes a are uniformly distributed to facilitate the dispersion of reaction force. In order to facilitate the installation and the dismounting of the bolts, the bolt installation holes a are communicated with the corresponding outer circular surfaces. In order to ensure that the bolt head does not influence the descending of the upper pressing die set 2, the bolt mounting hole is set to be a counter bore.
In the operation process of the whole device, firstly, an upset workpiece is placed into the lower die 3, then the upper die set 2 drives the upper die 6 to move downwards along the guide rail 9 until the preforming process is completed, after the preforming process is completed, the upper die set 2 drives the upper die 6 to move upwards to the original position, then the cooling liquid spray pipe starts to spray cooling liquid to the lower die 3, meanwhile, the lifting rod moves upwards to eject the workpiece, and then the workpiece is taken away. In the whole process, workers need to pay attention to the fact that the anti-scald gloves are worn in the whole process and are used for heat insulation when the workpieces are placed and taken.
Claims (4)
1. The utility model provides a preforming device for synchronous ware tooth cover blank, includes base (1) and last pressure module (2), its characterized in that: the middle part of the top surface of the base (1) is upwards provided with a lower die (3), a lower stress ring (4) is sleeved outside the lower die (3), the lower stress ring (4) is installed on the base (1) through a bolt, a jacking rod (5) used for ejecting a workpiece is arranged in the base (1), the upper end of the jacking rod (5) is arranged in the lower die (3), the middle part of the bottom surface of the upper pressing module (2) is downwards provided with an upper die (6) corresponding to the lower die (3), the upper die (6) is sleeved with an upper stress ring (7), the upper stress ring (7) is installed on the upper pressing module (2) through a bolt, the left side and the right side of the base (1) are both provided with side supporting frames (8) used for supporting the upper pressing module (2), and the inner side surfaces of the side supporting frames (8) are provided with guide rails (9) used for enabling the upper pressing module (2) to move up and down, the left side and the right side of the upper pressing module (2) are provided with sliding grooves matched with the guide rails (9), and the upper die (6) and the upper stress ring (7) can move up and down along with the upper pressing module.
2. Preforming device for synchronizer sleeve blank according to claim 1, characterized in that: the cooling liquid recycling device is further provided with a cooling liquid spray pipe (10), a recycling device for recycling cooling liquid is arranged on the base (1), the recycling device comprises a filter (11) for filtering impurities in the cooling liquid and a condenser (12) for reducing the temperature of the cooling liquid, and the recycling device is communicated with the cooling liquid spray pipe (10) to form recycling of the cooling liquid.
3. Preforming device for synchronizer sleeve blank according to claim 1, characterized in that: the outer ring of the lower die (3) is provided with a first inclination which gradually increases downwards, the inner hole of the lower stress ring (4) is provided with a second inclination which gradually increases downwards, and the first inclination is matched with the second inclination; the outer ring of the upper die (6) is provided with a third inclination which gradually increases upwards, the inner hole of the upper stress ring (7) is provided with a fourth inclination which gradually increases upwards, and the third inclination is matched with the fourth inclination.
4. Preforming device for synchronizer sleeve blank according to claim 1, characterized in that: the upper stress ring (7) and the lower stress ring (4) are provided with three bolt mounting holes (a) which are uniformly distributed along corresponding axes, the bolt mounting holes (a) are communicated with the corresponding outer circular surfaces, and the bolt mounting holes are counter bores.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122220190.6U CN216027813U (en) | 2021-09-14 | 2021-09-14 | Preforming device for synchronizer gear sleeve blank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122220190.6U CN216027813U (en) | 2021-09-14 | 2021-09-14 | Preforming device for synchronizer gear sleeve blank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216027813U true CN216027813U (en) | 2022-03-15 |
Family
ID=80598552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122220190.6U Expired - Fee Related CN216027813U (en) | 2021-09-14 | 2021-09-14 | Preforming device for synchronizer gear sleeve blank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216027813U (en) |
-
2021
- 2021-09-14 CN CN202122220190.6U patent/CN216027813U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220315 |