CN219380476U - Clamp for quick replacement of TPA powder metallurgy press - Google Patents
Clamp for quick replacement of TPA powder metallurgy press Download PDFInfo
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- CN219380476U CN219380476U CN202122945742.XU CN202122945742U CN219380476U CN 219380476 U CN219380476 U CN 219380476U CN 202122945742 U CN202122945742 U CN 202122945742U CN 219380476 U CN219380476 U CN 219380476U
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- powder metallurgy
- clamping plate
- clamp
- metallurgy press
- upper punch
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Abstract
The utility model discloses a clamp for quick replacement of a TPA powder metallurgy press, which comprises an upper punch, a clamping plate and a plurality of fastening devices, wherein the clamping plate is matched with a positioning plate on the TPA powder metallurgy press, a counter bore for installing the upper punch and a through hole for installing the fastening devices are arranged on the clamping plate, a connecting piece is arranged between the fastening devices, and the connecting piece is connected with a driving device to drive the fastening devices to move. According to the utility model, the clamping plate is clamped or loosened by the driving of the air cylinder, so that the upper punch die can be quickly installed and replaced, the time for installing the die is saved, and the production efficiency is improved. The fastening device disclosed by the utility model has consistent stress and can keep synchronization in the moving process, so that the coaxiality and the verticality of the upper punch and the die body are improved, and the repeated positioning precision of the die is also improved.
Description
Technical Field
The utility model relates to the technical field of fixture tools, in particular to a fixture for quick replacement of a TPA powder metallurgy press.
Background
The domestic powder metallurgy pressing die is provided with a TPA die and a 3R die, the imported electric press basically adopts the 3R die, and the 3R die can be quickly assembled and disassembled, so that the working efficiency is improved, and the die has the characteristics of quick positioning, high installation precision and the like. The traditional domestic press mainly adopts a TPA (thermoplastic polyurethane) die, an upper punch of the TPA die needs to be fixed on the press by adopting a bolt fastening device for manual fastening, the die mounting difficulty is high, the mounting and dismounting time is long, and the die mounting precision is low.
The Chinese patent publication No. CN206527570U discloses a clamp quick-change device, which comprises a clamp seat provided with a clamping groove and a clamp matched with the clamping groove, wherein the clamp comprises a clamp body and a clamp head connected with the clamp body and matched with the clamping groove, and a clamping sliding block matched with the clamp head is arranged on the clamp seat in a lifting manner. The technical scheme realizes the quick replacement of the clamp through the cooperation of the clamp head and the clamping slide block, but is not suitable for the quick replacement of the powder metallurgy press. At present, a clamp for quickly replacing a TPA powder metallurgy press is not found.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, and provides a clamp for quick replacement of a TPA powder metallurgy press, which improves the die installation precision.
The aim of the utility model is achieved by the following technical scheme:
the clamp comprises an upper punch, a clamping plate and a plurality of fastening devices, wherein the clamping plate is matched with a positioning plate on the TPA powder metallurgy press, a counter bore for installing the upper punch and a through hole for installing the fastening devices are formed in the clamping plate, a connecting piece is installed between the fastening devices, and the connecting piece is connected with a driving device to drive the fastening devices to move.
Further, the fastening means comprises a fastening bolt and a nut.
Further, the through hole is in a gourd shape comprising a large round hole and a small round hole.
Further, the diameter of the big round hole on the calabash-shaped through hole is larger than the diameter of the nut, the diameter of the small round hole is smaller than the diameter of the nut, and the diameter of the small round hole is larger than the nominal diameter of the bolt.
Further, the clamping plate is 3/4 round, the counter bore is arranged at the center of the clamping plate, and the through holes are uniformly distributed around the counter bore.
Further, a mounting gasket is arranged on the counter bore.
Further, the long punch high clamping plate is 0.01-0.1 mm.
Further, the driving device is driven by an air cylinder.
Further, the fastening bolts are mounted upside down on the TPA powder metallurgy press.
Further, the number of the fastening devices is 3.
Compared with the prior art, the utility model has the following beneficial effects:
according to the utility model, the clamping plate is clamped or loosened by the driving of the air cylinder, so that the upper punch die can be quickly installed and replaced, the time for installing the die is saved, and the production efficiency is improved. The fastening devices in the utility model have consistent stress and can keep synchronization in the moving process, thereby improving the coaxiality and the verticality of the upper punch and the die body and improving the repeated positioning precision of the die.
Drawings
FIG. 1 is a perspective view of a clamp for quick change of a TPA powder metallurgy press;
FIG. 2 is a front view of a clamp for quick change of a TPA powder metallurgy press;
FIG. 3 is a schematic structural view of a splint;
FIG. 4 is a schematic structural view of a gasket;
FIG. 5 is a schematic view of the structure of the fastening device;
FIG. 6 is a schematic view of the structure of the upper punch;
FIG. 7 is a schematic view of the structure of a positioning plate on a TPA powder metallurgy press;
wherein, 1 is the locating plate, 2 is splint, 21 is the counter bore, 22 is the through-hole, 3 is the upper punch, 4 is fastener, 5 is the gasket, 6 is the connecting piece.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the utility model; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship described in the drawings are for illustrative purposes only and are not to be construed as limiting the utility model.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a fixture for quick replacement of a TPA powder metallurgy press, which comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a positioning hole is formed in the positioning plate 1, a counter bore 21 matched with the positioning hole and a counter bore 21 of a through hole 22 are formed in the clamping plate 2, the counter bore 21 is used for installing the upper punch 3, and the through hole 22 is used for installing the fastening device 4. A connecting piece 6 is arranged between the fastening devices 4, and the connecting piece 6 is connected with the driving device to drive the fastening devices 4 to move. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
Example 2
The embodiment provides a clamp for quick replacement of a TPA powder metallurgy press, which comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a locating hole is formed in the locating plate 1, and a counter bore 21 and a through hole 22 matched with the locating hole are formed in the clamping plate 2. A counter bore 21 in the clamping plate 2 is used for mounting the upper punch 3 and a through hole 22 is used for mounting the fastening means 4. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
In this embodiment, the number of the fastening devices 4 is 3, the connecting pieces 6 are installed between the fastening devices 4, the connecting pieces 6 are in a herringbone shape, the fastening devices 4 are respectively installed on three end points of the connecting pieces 6, and the driving device is connected with the middle part of the connecting pieces 6 to drive the fastening devices 4 to move. Under the action of the connecting piece 6, the stress of each fastening device 4 is consistent, and the synchronization can be kept in the moving process, so that the coaxiality and the verticality of the upper punch 3 and the die body are improved.
Example 3
The embodiment provides a clamp for quick replacement of a TPA powder metallurgy press, which comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a locating hole is formed in the locating plate 1, and a counter bore 21 and a through hole 22 matched with the locating hole are formed in the clamping plate 2. A counter bore 21 in the clamping plate 2 is used for mounting the upper punch 3 and a through hole 22 is used for mounting the fastening means 4. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
In this embodiment, the number of the fastening devices 4 is 3, the connecting pieces 6 are installed between the fastening devices 4, the connecting pieces 6 are in a herringbone shape, the fastening devices 4 are respectively installed on three end points of the connecting pieces 6, and the driving device is connected with the middle part of the connecting pieces 6, preferably a cylinder driving device in this embodiment, to drive the fastening devices 4 to move. Under the action of the connecting piece 6, the stress of each fastening device 4 is consistent, and the synchronization can be kept in the moving process, so that the coaxiality and the verticality of the upper punch 3 and the die body are improved.
Example 4
The embodiment provides a clamp for quick replacement of a TPA powder metallurgy press, which comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a locating hole is formed in the locating plate 1, and a counter bore 21 and a through hole 22 matched with the locating hole are formed in the clamping plate 2. A counter bore 21 in the clamping plate 2 is used for mounting the upper punch 3 and a through hole 22 is used for mounting the fastening means 4. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
In this embodiment, the number of the fastening devices 4 is 3, the connecting pieces 6 are installed between the fastening devices 4, the connecting pieces 6 are in a herringbone shape, the fastening devices 4 are respectively installed on three end points of the connecting pieces 6, and the driving device is connected with the middle part of the connecting pieces 6, preferably a cylinder driving device in this embodiment, to drive the fastening devices 4 to move. Under the action of the connecting piece 6, the stress of each fastening device 4 is consistent, and the synchronization can be kept in the moving process, so that the coaxiality and the verticality of the upper punch 3 and the die body are improved.
The working process of the clamp for quick replacement of the TPA powder metallurgy press provided by the embodiment is as follows: the fastening bolt enters through the big round hole of the through hole 22 of the clamping plate 2, and after rotation, the fastening bolt enters into the small-head bolt hole, the cylinder driving device drives the fastening device 4 to move upwards to lock the clamping plate 2, and then the cylinder driving device drives the fastening device 4 to move up and down to clamp or loosen the clamping plate 2, so that the upper punch die can be quickly installed and replaced. The embodiment not only improves the die disassembly and assembly efficiency, but also improves the die clamping precision and coaxiality.
Example 5
The present embodiment provides a fixture for quick change of a TPA powder metallurgy press, and the model of the TPA powder metallurgy press used in the present embodiment is AP 16D-JXS-3. The fixture comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a locating hole is formed in the locating plate 1, a counter bore 21 and a through hole 22 matched with the locating hole are formed in the clamping plate 2, the model of the TPA powder metallurgy press used in the embodiment is AP16D-JXS-3, and the utility model is applicable to all models of TPA powder metallurgy presses. A counter bore 21 in the clamping plate 2 is used for mounting the upper punch 3 and a through hole 22 is used for mounting the fastening means 4. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
In this embodiment, the number of the fastening devices 4 is 3, the connecting pieces 6 are installed between the fastening devices 4, the connecting pieces 6 are in a herringbone shape, the fastening devices 4 are respectively installed on three end points of the connecting pieces 6, and the driving device is connected with the middle part of the connecting pieces 6, preferably a cylinder driving device in this embodiment, to drive the fastening devices 4 to move. Under the action of the connecting piece 6, the stress of each fastening device 4 is consistent, and the synchronization can be kept in the moving process, so that the coaxiality and the verticality of the upper punch 3 and the die body are improved.
The working process of the clamp for quick replacement of the TPA powder metallurgy press provided by the embodiment is as follows: the fastening bolt enters through the big round hole of the through hole 22 of the clamping plate 2, and after rotation, the fastening bolt enters into the small-head bolt hole, the cylinder driving device drives the fastening device 4 to move upwards to lock the clamping plate 2, and then the cylinder driving device drives the fastening device 4 to move up and down to clamp or loosen the clamping plate 2, so that the upper punch die can be quickly installed and replaced. The embodiment not only improves the die disassembly and assembly efficiency, but also improves the die clamping precision and coaxiality.
Example 6
The present embodiment provides a fixture for quick change of a TPA powder metallurgy press, and the model of the TPA powder metallurgy press used in the present embodiment is AP 16D-JXS-3. The fixture comprises an upper punch 3, a clamping plate 2 and a plurality of fastening devices 4, wherein the clamping plate 2 is matched with a positioning plate 1 on the TPA powder metallurgy press. Specifically, a locating hole is formed in the locating plate 1, a counter bore 21 and a through hole 22 matched with the locating hole are formed in the clamping plate 2, the model of the TPA powder metallurgy press used in the embodiment is AP16D-JXS-3, and the utility model is applicable to all models of TPA powder metallurgy presses. A counter bore 21 in the clamping plate 2 is used for mounting the upper punch 3 and a through hole 22 is used for mounting the fastening means 4. In the embodiment, the clamping plate 2 is 3/4 round, the counter bore 21 is arranged at the center of the clamping plate 2, and the through holes 22 are uniformly distributed around the counter bore 21. The counter bore 21 is provided with a mounting gasket 5, under the action of the gasket, the upper punch 3 is higher than the clamping plate by 0.01-0.1 mm, preferably 0.05mm in the embodiment, and the top plane of the upper punch 3 is higher than the counter bore 21 and is contacted with the powder metallurgy press. The through hole 22 is in a gourd shape and comprises a large round hole and a small round hole which are intersected. The fastening means 4 in this embodiment comprises a fastening bolt and a nut, the fastening bolt being mounted upside down on the TPA powder metallurgy press, penetrating the clamping plate 2 and the positioning plate 1. The diameter of the large round hole on the through hole 22 is larger than that of the nut, and the diameter of the small round hole is smaller than that of the nut and larger than the nominal diameter of the bolt.
In this embodiment, the number of the fastening devices 4 is 3, the connecting pieces 6 are installed between the fastening devices 4, the connecting pieces 6 are in a herringbone shape, the fastening devices 4 are respectively installed on three end points of the connecting pieces 6, and the driving device is connected with the middle part of the connecting pieces 6, preferably a cylinder driving device in this embodiment, to drive the fastening devices 4 to move. Under the action of the connecting piece 6, the stress of each fastening device 4 is consistent, and the synchronization can be kept in the moving process, so that the coaxiality and the verticality of the upper punch 3 and the die body are improved.
The working process of the clamp for quick replacement of the TPA powder metallurgy press provided by the embodiment is as follows: the fastening bolt enters through the big round hole of the through hole 22 of the clamping plate 2, and after rotation, the fastening bolt enters into the small-head bolt hole, the cylinder driving device drives the fastening device 4 to move upwards to lock the clamping plate 2, and then the cylinder driving device drives the fastening device 4 to move up and down to clamp or loosen the clamping plate 2, so that the upper punch die can be quickly installed and replaced. The embodiment not only improves the die disassembly and assembly efficiency, but also improves the die clamping precision and coaxiality.
The beneficial effects of this embodiment are as follows:
according to the utility model, the clamping plate is clamped or loosened by the driving of the air cylinder, so that the upper punch die can be quickly installed and replaced, the time for installing the die is saved, and the production efficiency is improved. The fastening devices in the utility model have consistent stress and can keep synchronization in the moving process, thereby improving the coaxiality and the verticality of the upper punch and the die body and improving the repeated positioning precision of the die.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
Claims (10)
1. The clamp for quick replacement of the TPA powder metallurgy press is characterized by comprising an upper punch, a clamping plate and a plurality of fastening devices, wherein the clamping plate is matched with a positioning plate on the TPA powder metallurgy press, a counter bore for installing the upper punch and a through hole for installing the fastening devices are formed in the clamping plate, a connecting piece is installed between the fastening devices, and the connecting piece is connected with a driving device to drive the fastening devices to move.
2. A clamp for quick change of a TPA powder metallurgy press according to claim 1, wherein the fastening means comprises a fastening bolt and a nut.
3. The fixture for quick change of a TPA powder metallurgy press according to claim 1, wherein the through holes are gourd shaped including a large circular hole and a small circular hole.
4. A clamp for quick change of a TPA powder metallurgy press according to claim 3, wherein the diameter of the large circular hole in the gourd-shaped through hole is larger than the diameter of the nut, and the diameter of the small circular hole is smaller than the diameter of the nut and larger than the nominal diameter of the bolt.
5. The fixture for quick changing of a TPA powder metallurgy press according to claim 1, wherein the clamping plate is 3/4 round, the counter bore is provided at the center of the clamping plate, and a plurality of through holes are uniformly distributed around the counter bore.
6. A clamp for quick change of a TPA powder metallurgy press according to claim 1, wherein a mounting pad is provided on the counterbore.
7. A clamp for quick change of a TPA powder metallurgy press according to claim 6, wherein the upper punch is 0.01 to 0.1mm above the clamping plate.
8. A clamp for quick change of TPA powder metallurgy press according to claim 1, wherein the driving means is driven by a cylinder.
9. A clamp for quick change of a TPA powder metallurgy press according to claim 2, wherein the fastening bolts are mounted upside down on the TPA powder metallurgy press.
10. A clamp for quick change of TPA powder metallurgy press according to claim 1, wherein the number of fastening means is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945742.XU CN219380476U (en) | 2021-11-26 | 2021-11-26 | Clamp for quick replacement of TPA powder metallurgy press |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122945742.XU CN219380476U (en) | 2021-11-26 | 2021-11-26 | Clamp for quick replacement of TPA powder metallurgy press |
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| CN219380476U true CN219380476U (en) | 2023-07-21 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954010A (en) * | 2021-11-26 | 2022-01-21 | 株洲韦凯切削工具有限公司 | Clamp and method for quickly replacing TPA powder metallurgy press |
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2021
- 2021-11-26 CN CN202122945742.XU patent/CN219380476U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113954010A (en) * | 2021-11-26 | 2022-01-21 | 株洲韦凯切削工具有限公司 | Clamp and method for quickly replacing TPA powder metallurgy press |
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