CN217142208U - Waste-free one-way forming device for warm forging gear - Google Patents
Waste-free one-way forming device for warm forging gear Download PDFInfo
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- CN217142208U CN217142208U CN202121328221.3U CN202121328221U CN217142208U CN 217142208 U CN217142208 U CN 217142208U CN 202121328221 U CN202121328221 U CN 202121328221U CN 217142208 U CN217142208 U CN 217142208U
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Abstract
The utility model discloses a waste-free one-way forming device for warm forging gears, which comprises an upper die; a lower die; the following assembly provides a trending force to the lower die in the whole gear forming process so as to enable the lower die to move along with the movement of the upper die; when the upper die moves towards the lower die and applies pressure to the lower die, the trend force is smaller than the acting force applied by the upper die to the lower die, so that the lower die moves along the direction in which the acting force is applied by the upper die; the upper die moves towards the direction far away from the lower die, the trend force pushes the lower die to move along with the upper die, and compared with the traditional mode, the process mode reduces a plurality of working procedures, and the material utilization rate of the flash-free technology is close to hundred percent.
Description
Technical Field
The utility model belongs to the technical field of the warm forging gear, specifically speaking relate to a warm forging gear does not have waste material one-way forming device.
Background
The forging process flow of the automobile parts (such as gears, oil nozzles, two-way valves and the like) in the traditional mode is as follows: sawing, heating, flattening, forming, cold shaping and cold trimming, six stations can be seen from the upper part, 7 persons are needed for replacement, the labor cost is too high in terms of the current economic benefit, the yield efficiency is high in the traditional production mode, the cost of wasted materials is too much, the reserved processing amount is too much, and the subsequent cost is relatively high. And the like. The traditional process has the advantages of high yield and high speed; the disadvantages that (1) the utilization rate of the material is too low, and the material is wasted excessively. (2) Too many personnel operations and too high cost. (3) The fatigue failure point of the material is too much, and the mechanical property is relatively reduced. (4) The number of machines used is too large, and the power consumption is too much. (5) The loss cost of the die is high. (6) The equipment is more, the used space is large, and the intangible waste is caused.
Disclosure of Invention
The utility model aims at providing a warm forging gear does not have one-way forming device of waste material, its technical problem who aims at solving and exist in the background art.
In order to solve the technical problem, the purpose of the utility model is to realize like this:
a waste-free one-way forming device for warm forging gears comprises
An upper die;
a lower die;
and the following assembly provides a trend force for the lower die in the whole gear forming process so as to enable the lower die to move along with the movement of the upper die.
On the basis of the above scheme and as a preferable scheme of the scheme: when the upper die moves towards the lower die and applies pressure to the lower die, the trend force is smaller than the acting force applied by the upper die to the lower die, so that the lower die moves along the direction of the acting force applied by the upper die; the upper die moves towards the direction far away from the lower die, and the trend force pushes the lower die to move along with the upper die.
On the basis of the above scheme and as a preferable scheme of the scheme: the following assembly comprises an oil cylinder and an oil supply device, and the piston end of the oil cylinder provides the trend force to the lower die.
On the basis of the above scheme and as a preferable scheme of the scheme: the following assembly comprises an air cylinder and an air supply device, and the piston end of the air cylinder provides the trending force for the lower die.
On the basis of the above scheme and as a preferable scheme of the scheme: the lower die is positioned above the output end of the oil cylinder, and the lower die is arranged in a floating mode relative to a bed of the forming device.
On the basis of the above scheme and as a preferable scheme of the scheme: the oil cylinder comprises a main oil cylinder, a main piston and an inner piston, the main piston is located in the main oil cylinder, the inner piston is located in the middle of the main piston, a backing plate is fixedly connected to the upper end of the inner piston, a floating die pressure plate and a floating die bearing plate are arranged above the backing plate, the lower end face of the floating die pressure plate and the lower end face of the floating die bearing plate are in contact with the upper end of the backing plate, the floating die pressure plate is arranged in an accommodating hole in the middle of the floating die bearing plate in a floating mode, a lower die matching ring is fixedly arranged in the middle of the upper end of the floating die bearing plate, the lower die is located in the lower die matching ring, and the lower die matching ring is limited in radial movement of the lower die.
On the basis of the above scheme and as a preferable scheme of the scheme: before stamping, the inner piston and the main piston are both in an extending state; after stamping is started, stamping force borne by the lower die is transmitted to the inner piston through the floating die pressure plate, the floating die bearing plate and the backing plate, so that the inner piston is forced to be compressed into the main piston; when the main piston is located at the set compression position, the backing plate is in contact with the upper end of the main piston, and then the main piston is compressed.
On the basis of the above scheme and as a preferable scheme of the scheme: the device is characterized by further comprising a retainer, wherein the retainer is fixedly arranged on a bed of the forming device, a floating die accommodating cavity is formed in the middle of the retainer, and the floating die bearing plate is arranged in the floating die accommodating cavity in a floating mode.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer peripheral surface of the floating die bearing plate is in sliding contact with the inner wall of the floating die accommodating cavity.
On the basis of the above scheme and as a preferable scheme of the scheme: the outer peripheral face of the floating die bearing plate is detachably and fixedly provided with a lining plate, and the outer peripheral face of the lining plate is in sliding contact with the inner wall of the floating die accommodating cavity.
Compared with the prior art, the utility model outstanding and profitable technological effect is: compared with the traditional mode, the process flow is slightly different and is represented as the following process flow of sawing, heating and forming; compared with the traditional mode, the process mode reduces a plurality of working procedures, and the material utilization rate of the flash-free technology is close to hundred percent. The device can provide different floating die forces corresponding to different products, and has the advantages of simple operation, stable pressure, accurate product size and high yield. The method has the specific advantages that (1) the material utilization rate is high, no flash (waste material) is generated, the blanking is required to be accurate, and the error is +/-2 g; (2) personnel are reduced, and the cost is reduced. (3) The number of machines is reduced, and the power loss is reduced; (4) the material has few fatigue failure points, and the mechanical property is relatively improved; (5) providing a floating die force regulation and control to meet products with different sizes; (6) the floating die force is stable, the product size is accurate, and the yield is high; (7) the machining allowance is small, the machining speed is increased, and the cutter loss is reduced; (8) reducing the use of equipment space.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
1. The device comprises a bed 2, a bolt 3, a slide block backing plate 4, a bolt 5, a retaining carrier plate 6, a bolt 7, a retainer 8, a bolt 9, a floating die carrier plate 10, a bolt 11, an upper carrier plate 12, a bolt 13, a guide post 14, a fixing plate 15, a guide sleeve 16, a guide sleeve cover plate 17, a bolt 18, guide post cover plates 19-21, a bolt 22, a grease nipple 23, a die matching ring 24, an upper pressure plate 25, a floating die pressure plate 26, an upper die pressure plate 27, an upper die carriage 28, a main oil cylinder 29, an oil cylinder bushing 30, a main piston 31, an inner piston 32, an outer pressing ring 33, a lower punch 34, an upper die 35, a lower die 36 and a backing plate.
Detailed Description
In order to make the purpose, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all the embodiments. All other embodiments obtained by a person skilled in the art without making any inventive step, based on the given embodiments, fall within the scope of protection of the present application.
In the description of the present application, it is to be understood that the terms "upper", "lower", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and operate, and thus, should not be construed as limiting the present application.
In the description of the present application, the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.
The traditional stamping production gear is actuated by an upper die, a lower die is fixed, the flash (waste) is extremely easy to generate due to the stamping mode, and a new stamping scheme is provided for solving the problems.
A waste-free one-way forming device for warm forging gears comprises
An upper mold 34;
a lower mold 35;
a follower assembly for providing a biasing force to the lower mold 35 throughout the gear molding process so that the lower mold 35 follows the movement of the upper mold 34; it should be noted that, when the upper mold 34 moves towards the lower mold 35 and presses the lower mold 35, the following assembly provides a smaller tendency force to the lower mold 35 than the upper mold 34 applies to the lower mold 35, so that the lower mold 35 moves along the direction in which the upper mold 34 applies force; when the upper mold 34 moves away from the lower mold 35, the lower mold 35 is pushed by the tendency force provided by the follower assembly to the lower mold 35 to follow the upper mold 34.
As a further preference of the present embodiment, the following assembly includes an oil cylinder and an oil supply device, and a piston end of the oil cylinder provides a biasing force to the lower die; wherein, the lower die 35 is located above the output end of the oil cylinder, and the lower die 35 is arranged in a floating manner relative to the bed of the forming device.
Specifically, the oil cylinder comprises a main oil cylinder 28, a main piston 30 and an inner piston 31, the main piston 30 is located in the main oil cylinder 28, the inner piston 31 is located in the middle of the main piston 30, a backing plate 36 is fixedly connected to the upper end of the inner piston 31, a floating die pressure plate 25 and a floating die bearing plate 9 are arranged above the backing plate 36, the lower end face of the floating die pressure plate 25 and the lower end face of the floating die bearing plate 9 are both in contact with the upper end of the backing plate 36, the floating die pressure plate 25 is arranged in an accommodating hole in the middle of the floating die bearing plate 9 in a floating mode, a lower die matching ring 18 is fixedly arranged in the middle of the upper end of the floating die bearing plate 9, a lower die 35 is located in the lower die matching ring 18, and the lower die matching ring 18 limits radial movement of the lower die 35. Before stamping, the oil supply device injects hydraulic oil into the oil cylinder to ensure that the inner piston 31 and the main piston 30 are both in an extending state (preferably extending to the highest point); after the punching is started, the punching force applied to the lower die 35 is transmitted to the inner piston 31 through the floating die pressure plate 35, the floating die bearing plate 9 and the backing plate 36, the inner piston 31 is forced to be compressed into the main piston 30, the upper die 34 starts to extrude the material, the lower part of the upper die is acted by the lower ejector rod 15, the material is forced to start to deform, and hydraulic oil in the oil cylinder starts to discharge oil to the oil supply device due to the compression of the inner piston 31; as the compression proceeds further, when the main piston 30 is in the set compression position, the pad 36 contacts the upper end of the main piston 30, further compressing the main piston 30, and as the upper mold 34 moves down to the lowest point, the material also completely fills the interior wall space of the mold; then, the upper die 34 starts to move upwards, and as the pressure of the oil cylinder is reduced, the oil supply device starts to supply oil to the oil cylinder, so that the main piston 30, the inner piston 31, the lower die 35, the floating die pressure plate 35, the floating die bearing plate 9 and the backing plate 36 are pushed upwards simultaneously, and the upward simultaneous movement is achieved; and finally, the lower ejector rod (not shown in the figure) performs ejection action to eject the forged piece out of the lower die 35, and the lower ejector rod is lowered to the original point to prepare for next ejection action.
As a further preferable mode of the present embodiment, the present embodiment further includes a holder 7, the holder 7 is fixedly arranged on the bed 1 of the forming device, a floating die accommodating cavity is formed in the middle of the holder 7, and the floating die carrier plate 9 is arranged in the floating die accommodating cavity in a floating manner; preferably, the peripheral surface of the floating die bearing plate 9 is in sliding contact with the inner wall of the floating die accommodating cavity; further preferably, the outer peripheral surface of the floating die bearing plate 9 is detachably and fixedly provided with a lining plate, and the outer peripheral surface of the lining plate is in sliding contact with the inner wall of the floating die accommodating cavity, so that the abrasion and the sliding resistance of the floating die bearing plate 9 are reduced.
Through the technical scheme of this application realize that mould and bed die can actuate simultaneously, reach mould and bed die and move simultaneously and avoid overlap (waste material) to produce.
It should be noted that the non-waste unidirectional molding of the warm forging gear is satisfied by filling and compressing oil, matching tolerance of the die and oil seal. In principle, there are compression springs, nitrogen springs, disc springs, rubber and other related components to accomplish this. The difference is that the related parts can provide a certain force, which is not adjustable, and requires a large space for placing the parts, so as to provide a large floating mold force, but the floating mold force is limited.
The device of the application is used for finishing the processing production of part of the automobile, the forming of a product is finished by a flash-free forming technology, compared with the traditional mode, the process procedures are correspondingly reduced, and the material utilization rate of the flash-free technology is close to hundred percent. The device can provide different floating die forces corresponding to different products, and has the advantages of simple operation, stable pressure, accurate product size and high yield.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (10)
1. The utility model provides a warm forging gear does not have one-way forming device of waste material which characterized in that: comprises that
An upper die;
a lower die;
and the following assembly provides a trend force for the lower die in the whole gear forming process so as to enable the lower die to move along with the movement of the upper die.
2. The scrap-free one-way forming device for the warm forging gear according to claim 1, characterized in that: when the upper die moves towards the lower die and applies pressure to the lower die, the trend force is smaller than the acting force applied by the upper die to the lower die, so that the lower die moves along the direction of the acting force applied by the upper die; when the upper die moves towards the direction away from the lower die, the trend force pushes the lower die to move along with the upper die.
3. The scrap-free one-way forming device for the warm forging gear according to claim 2, characterized in that: the following assembly comprises an oil cylinder and an oil supply device, and the piston end of the oil cylinder provides the trending force for the lower die.
4. The scrap-free one-way forming device for the warm forging gear according to claim 2, characterized in that: the following assembly comprises an air cylinder and an air supply device, and the piston end of the air cylinder provides the trending force for the lower die.
5. The scrap-free one-way forming device for the warm forging gear according to claim 3, wherein: the lower die is positioned above the output end of the oil cylinder, and the lower die is arranged in a floating mode relative to a bed of the forming device.
6. The scrap-free one-way forming device for the warm forging gear according to claim 5, wherein: the oil cylinder comprises a main oil cylinder, a main piston and an inner piston, the main piston is located in the main oil cylinder, the inner piston is located in the middle of the main piston, a backing plate is fixedly connected to the upper end of the inner piston, a floating die pressure plate and a floating die bearing plate are arranged above the backing plate, the lower end face of the floating die pressure plate and the lower end face of the floating die bearing plate are in contact with the upper end of the backing plate, the floating die pressure plate is arranged in an accommodating hole in the middle of the floating die bearing plate in a floating mode, a lower die matching ring is fixedly arranged in the middle of the upper end of the floating die bearing plate, the lower die is located in the lower die matching ring, and the lower die matching ring is limited in radial movement of the lower die.
7. The scrap-free one-way forming device for the warm forging gear according to claim 6, wherein: before stamping, the inner piston and the main piston are both in an extending state; after stamping is started, stamping force borne by the lower die is transmitted to the inner piston through the floating die pressure plate, the floating die bearing plate and the backing plate, so that the inner piston is forced to be compressed into the main piston; when the main piston is located at the set compression position, the backing plate is in contact with the upper end of the main piston, and then the main piston is compressed.
8. The scrap-free one-way forming device for the warm forging gear according to claim 6, wherein: the device is characterized by further comprising a retainer, wherein the retainer is fixedly arranged on a bed of the forming device, a floating die accommodating cavity is formed in the middle of the retainer, and the floating die bearing plate is arranged in the floating die accommodating cavity in a floating mode.
9. The scrap-free one-way forming device for the warm forging gear according to claim 8, wherein: the outer peripheral surface of the floating die bearing plate is in sliding contact with the inner wall of the floating die accommodating cavity.
10. The scrap-free one-way forming device for the warm forging gear according to claim 9, wherein: the outer peripheral face of the floating die bearing plate is detachably and fixedly provided with a lining plate, and the outer peripheral face of the lining plate is in sliding contact with the inner wall of the floating die accommodating cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328221.3U CN217142208U (en) | 2021-06-15 | 2021-06-15 | Waste-free one-way forming device for warm forging gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121328221.3U CN217142208U (en) | 2021-06-15 | 2021-06-15 | Waste-free one-way forming device for warm forging gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217142208U true CN217142208U (en) | 2022-08-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121328221.3U Active CN217142208U (en) | 2021-06-15 | 2021-06-15 | Waste-free one-way forming device for warm forging gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217142208U (en) |
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2021
- 2021-06-15 CN CN202121328221.3U patent/CN217142208U/en active Active
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