CN211388666U - Quick die changing part of tool - Google Patents
Quick die changing part of tool Download PDFInfo
- Publication number
- CN211388666U CN211388666U CN201921836696.6U CN201921836696U CN211388666U CN 211388666 U CN211388666 U CN 211388666U CN 201921836696 U CN201921836696 U CN 201921836696U CN 211388666 U CN211388666 U CN 211388666U
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- movable block
- tool
- positioning pin
- rotating
- pressing
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- 238000004146 energy storage Methods 0.000 claims description 23
- 238000005381 potential energy Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000013011 mating Effects 0.000 claims description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 7
- 230000001788 irregular Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
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Abstract
The utility model provides a quick tool changing module, which comprises a placing table for placing a tool, a positioning pin arranged on the placing table and pressing devices arranged on two sides of the placing table; a first movable groove is formed in the mounting table, a positioning hole is formed in the tool, a driving mechanism drives one end of the positioning pin to be movably connected with the first movable groove, and the driving mechanism drives the other end of the positioning pin to be inserted into the positioning hole to a limiting position, so that the tool is limited in the horizontal direction; the driving mechanism drives the compressing device to be movably connected with the placing table, and the driving mechanism drives the compressing device to compress the tool when moving to the horizontal direction, so that the tool is limited in the vertical direction. By applying the technical scheme, simultaneous positioning and compression can be realized, so that the tool replacement time is reduced.
Description
Technical Field
The utility model relates to a frock retooling field specifically indicates a frock fast retooling piece.
Background
For providing equipment utilization rate, the condition that partial core pressure equipment exists the sharing, need use the retooling module when the retooling, the retooling module among the prior art is changed loaded down with trivial details, can't accomplish simultaneously and compress tightly and fix a position, and whether the retooling module does not have the discernment sign discernment location and the state whether the elasticity is, is unfavorable for operating personnel to operate, and it can't shorten when causing the retooling, and work efficiency can't improve.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a frock trades module fast realizes fixing a position simultaneously and compresses tightly to reduce the frock change time.
In order to solve the technical problem, the utility model provides a quick tooling changing module, which comprises a placing table for placing tooling, a positioning pin arranged on the placing table and a pressing device arranged on two sides of the placing table; a first movable groove is formed in the mounting table, a positioning hole is formed in the tool, a driving mechanism drives one end of the positioning pin to be movably connected with the first movable groove, and the driving mechanism drives the other end of the positioning pin to be inserted into the positioning hole to a limiting position, so that the tool is limited in the horizontal direction; the driving mechanism drives the compressing device to be movably connected with the placing table, and the driving mechanism drives the compressing device to compress the tool when moving to the horizontal direction, so that the tool is limited in the vertical direction.
In a preferred embodiment, the driving mechanism comprises a driving component, a reversing component and an energy storage component; the reversing assembly is connected between the driving assembly and the positioning pin, and the driving assembly drives the reversing assembly to convert the rotating direction into a straight direction so that the positioning pin moves up and down in the first movable groove; the energy storage assembly is connected with the driving assembly and driven by the driving assembly, so that the energy storage assembly is switched between an energy storage state and a potential energy state, and when the energy storage assembly is in the energy storage state, the pressing device moves to the horizontal direction.
In a preferred embodiment, the driving component is a rotating shaft and is disposed on both sides of the mounting table; the reversing assembly is specifically a linkage piece and is fixedly connected with the rotating shaft, the rotating shaft and the linkage piece rotate coaxially, the rotating surface of the linkage piece is vertical to the length direction of the positioning pin, and the side part of the linkage piece abuts against the positioning pin; and when the rotating shaft is rotated, the linkage piece rotates in a linkage way, so that the positioning pin moves upwards or downwards in the first movable groove.
In a preferred embodiment, the linkage member is a gear, and a side surface of the positioning pin, which is close to the gear, is provided with a matching tooth part; the gear and the matching tooth part are meshed to form meshing transmission.
In a preferred embodiment, when the positioning pin is completely arranged in the first movable groove, the gear is meshed with the middle part of the matching tooth part; the gear rotates towards the outer direction of the mounting table, the gear drives the matching tooth part to move upwards, after the positioning pin moves upwards and is inserted into the positioning hole, the gear rotates towards the inner direction of the mounting table, the gear drives the matching tooth part to move downwards, and the positioning pin moves downwards to leave the positioning hole.
In a preferred embodiment, the pressing device comprises a movable block and a pressing table for pressing the tool; the energy storage assembly specifically comprises a rotating piece and an elastic device; the rotating shaft is further fixed with the rotating piece, the rotating piece and the rotating shaft rotate coaxially, and one side of the rotating piece extends outwards to form a convex block.
In a preferred embodiment, the placing table is further provided with a second movable groove, one end of the movable block is connected with the pressing table, and the other end of the movable block is inserted into the second movable groove; one side of one end, inserted into the second movable groove, of the movable block is abutted to the rotating piece, the other side of the one end of the movable block is connected with an elastic device, and one end, far away from the movable block, of the elastic device is fixedly connected with the placing table.
In a preferred embodiment, the pressing table and the movable block are perpendicular to each other; when the pressing table is arranged in the horizontal direction, the tool is pressed, the movable block is arranged along the vertical direction, the convex block of the rotating part abuts against the movable block, and the elastic device is pressed tightly; rotate the piece messenger the lug leaves the movable block, resilient means is to being close to settle the platform center direction extends and resumes original length, the movable block is connected resilient means's one end quilt resilient means is to being close to settle platform center department top is supported, makes the movable block is connected the one end that compresses tightly the platform rotates to the direction of keeping away from place settle platform center, makes compress tightly the platform not with one side that the movable block is connected upwards rotates, thereby compress tightly the platform tilt up and do not compress tightly the frock.
In a preferred embodiment, a rotating cavity is arranged at the joint of the pressing platform and the movable block, a rotating pin is fixed on the placing platform and inserted into the rotating cavity, and the pressing platform and the movable block rotate by taking the rotating cavity as a central shaft; when one end of the movable block, which is far away from the pressing table, rotates towards the direction close to the center of the placing table, one end of the pressing table, which is far away from the movable block, rotates upwards, namely the pressing table inclines upwards to leave the tool; when the movable block is far away from one end of the pressing table rotates towards the direction far away from the center of the placing table, one end, far away from the movable block, of the pressing table rotates downwards, namely, the pressing table inclines downwards to press the tool.
In a preferred embodiment, a wrench is fixed to the end of the rotating shaft, and is used for rotating the rotating shaft; when the wrench is wrenched in the direction far away from the center of the mounting table, the positioning pin is positioned at the limiting position and the pressing device moves to the horizontal direction; when the wrench is wrenched towards the direction close to the center of the mounting table, the positioning pin is not positioned at the limiting position and the pressing device is not positioned in the horizontal direction.
Compared with the prior art, the technical scheme of the utility model possess following beneficial effect:
the utility model provides a frock trades module fast realizes compressing tightly simultaneously and the function of location through the axis of rotation that sets up in settling platform both sides. Specifically, the gear and the rotating part which are coaxially connected to the rotating shaft enable the rotating shaft to rotate simultaneously, the gear and the rotating part rotate simultaneously, the rotating direction of the rotating shaft is converted into the movement of the matched gear in the vertical direction through the interaction of the gear and the matched tooth part on the positioning pin, the positioning pin can move up and down while the rotating shaft rotates, the positioning pin can stop moving immediately and is limited at the current position when the rotating shaft stops rotating, and therefore the position of the positioning pin depends on the rotating amplitude of the rotating shaft.
The rotating shaft rotates the rotating member at the same time, since the rotating member is an irregular rotating member, one side of which is provided with a convex block protruding outwards, when the rotating piece rotates along with the rotating shaft, if the rotating piece rotates until the convex block is abutted against the movable block, the movable block is pushed outwards, so that the elastic device is compressed, and an energy storage state is formed, meanwhile, the movable block is arranged in the vertical direction, and along with the continuous rotation of the rotating shaft, the convex block can rotate to the side back to the movable block, thus, after the convex block does not prop against the movable block, the elastic device is converted into a potential energy state without being compressed, after the movable block is recovered to the original length, the movable block is jacked towards the direction close to the center of the placing table, because one end of the movable block connected with the pressing table is fixed, therefore, the other end of the movable block moves back and forth to enable the pressing table to incline up and down, and the tool is pressed when the pressing table inclines to the horizontal direction.
The tip of axis of rotation sets up the spanner, can judge the rotation degree of axis of rotation through the rotation state of spanner to judge whether the locating pin is in the limit position and compress tightly the platform and be in the horizontal direction, can realize directly perceived judgement, and only need can realize compressing tightly and the location simultaneously through pulling the spanner, easy and simple to handle, thereby reduce the frock change time, make work efficiency obtain improving.
Drawings
FIG. 1 is a schematic structural diagram of a tool rapid module change module according to a preferred embodiment of the present invention;
fig. 2 is a schematic vertical sectional view of a positioning pin of a tool rapid prototyping unit in a limiting position according to a preferred embodiment of the present invention;
fig. 3 is a partially enlarged schematic view of a vertical cross section of a positioning pin of a tool rapid prototyping unit in a limiting position according to a preferred embodiment of the present invention;
FIG. 4 is a schematic vertical sectional view of the tooling quick change module according to the preferred embodiment of the present invention, wherein the locating pin of the tooling quick change module is not in the limit position;
fig. 5 is a partially enlarged schematic view of a vertical cross section of a tooling quick change module according to a preferred embodiment of the present invention, wherein the locating pin of the tooling quick change module is not in a limiting position;
fig. 6 is a schematic vertical sectional view of a pressing table of a tool rapid die change member in a horizontal direction according to a preferred embodiment of the present invention;
fig. 7 is a partially enlarged schematic view of a vertical cross section of a pressing table of a tool rapid prototyping unit in a preferred embodiment of the present invention in a horizontal direction;
FIG. 8 is a schematic vertical cross-sectional view of the clamping table of the tool quick change module of the preferred embodiment of the present invention not in the horizontal direction;
fig. 9 is a partially enlarged schematic view of a vertical cross section of the clamping table of the tool quick-change module in a preferred embodiment of the invention, which is not in the horizontal direction.
Detailed Description
The invention is further described with reference to the drawings and the detailed description.
A quick tooling exchange module is disclosed, and referring to fig. 1, the quick tooling exchange module comprises a mounting table 1 for mounting a tooling, positioning pins 3 arranged on the mounting table 1 and pressing devices 2 arranged at two sides of the mounting table 1; a first movable groove 11 is formed in the mounting table 1, a positioning hole is formed in the tool, a driving mechanism drives one end of the positioning pin 3 to be movably connected with the first movable groove 11, and the driving mechanism drives the other end of the positioning pin 3 to be inserted into the positioning hole to a limiting position, so that the tool is limited in the horizontal direction; the driving mechanism drives the pressing device 2 to be movably connected with the mounting table 1, and the driving mechanism drives the pressing device 2 to move to the horizontal direction to press the tool tightly, so that the tool is limited in the vertical direction. The driving mechanism comprises a driving component, a reversing component and an energy storage component; the reversing assembly is connected between the driving assembly and the positioning pin 3, and the driving assembly drives the reversing assembly to convert the rotating direction into a straight direction so that the positioning pin 3 can move up and down in the first movable groove 11; the energy storage assembly is connected with the driving assembly and driven by the driving assembly, so that the energy storage assembly is switched between an energy storage state and a potential energy state, and when the energy storage assembly is in the energy storage state, the pressing device 2 moves to the horizontal direction.
Specifically, the driving components are specifically rotating shafts 4 and are arranged on two sides of the mounting table 1; the reversing component is specifically a linkage component and is fixedly connected with the rotating shaft 4, the rotating shaft 4 and the linkage component rotate coaxially, the rotating surface of the linkage component is vertical to the length direction of the positioning pin 3, and the side part of the linkage component abuts against the positioning pin 3; the rotating shaft 4 is rotated, and the interlocking piece is interlocked and rotated to enable the positioning pin 3 to move upwards or downwards in the first movable groove 11. The interlocking part is specifically a gear 41, and one side surface of the positioning pin 3 close to the gear 41 is provided with a matching tooth part 31; the gear 41 is meshed with the matching tooth part 31 to form meshing transmission.
Referring to fig. 2 to 5, when the positioning pin 3 is completely placed inside the first movable groove 11, the gear 41 is engaged with the middle portion of the mating tooth portion 31; the gear 41 rotates towards the outer direction of the setting table 1, the gear 41 drives the matching tooth part 31 to move upwards, after the positioning pin 3 moves upwards and is inserted into the positioning hole, the gear 41 rotates towards the inner direction of the setting table 1, the gear 41 drives the matching tooth part 31 to move downwards, and the positioning pin 3 moves downwards to leave the positioning hole. Specifically, the gear 41 coaxially connected to the rotating shaft 4 rotates the rotating shaft 4, and the gear 41 and the rotating member 42 rotate simultaneously, the gear 41 interacts with the matching teeth 31 on the positioning pin 3 to convert the rotating direction of the rotating shaft 4 into the movement of the matching gear 41 in the vertical direction, so that the positioning pin 3 can move up and down while the rotating shaft 4 rotates, and the positioning pin 3 can immediately stop moving and be limited at the current position when the rotating shaft 4 stops rotating, so that the position of the positioning pin 3 depends on the rotating amplitude of the rotating shaft 4.
Referring to fig. 6 to 9, in particular, the pressing device 2 includes a movable block 22 and a pressing table 21 for pressing the tool; the energy storage assembly specifically comprises a rotating part 42 and an elastic device 43; in the present embodiment, the elastic device 43 is embodied as a spring. The rotating part 42 is further fixed on the rotating shaft 4, the rotating part 42 and the rotating shaft 4 rotate coaxially, and one side of the rotating part 42 extends outwards to form a convex block 421. The placing table 1 is further provided with a second movable groove 12, one end of the movable block 22 is connected with the pressing table 21, and the other end of the movable block 22 is inserted into the second movable groove 12; one end of the movable block 22 inserted into the second movable groove 12 abuts against the rotating member 42, and the other end is connected with an elastic device 43, and one end of the elastic device 43 far away from the movable block 22 is fixedly connected with the mounting table 1. A yielding hole is formed in the side portion of the placing table 1, a bolt 13 is fixed to one end of the spring, and the bolt 13 is fixed to the side portion of the placing table 1 so that the fixing of one end of the spring and the placing table 1 is achieved.
In this embodiment, the pressing table 21 and the movable block 22 are perpendicular to each other; when the pressing table 21 is placed in the horizontal direction, the tool is pressed, the movable block 22 is arranged along the vertical direction, at this time, the convex block 421 of the rotating part 42 abuts against the movable block 22, and the elastic device 43 is pressed; the rotating member 42 is rotated to make the lug 421 separate from the movable block 22, the elastic device 43 extends to the direction close to the center of the installation table 1 and restores to the original length, one end of the movable block 22 connected with the elastic device 43 is abutted by the elastic device 43 to the position close to the center of the installation table 1, one end of the movable block 22 connected with the pressing table 21 is rotated to the direction away from the center of the installation table 1, the side of the pressing table 21 not connected with the movable block 22 is rotated upwards, and the pressing table 21 is inclined upwards so as not to press the tool.
A rotating cavity 20 is arranged at the joint of the pressing table 21 and the movable block 22, a rotating pin 14 is fixed on the mounting table 1, the rotating pin 14 is inserted into the rotating cavity 20, and the pressing table 21 and the movable block 22 rotate by taking the rotating cavity 20 as a central axis; when one end of the movable block 22, which is far away from the pressing table 21, rotates in a direction close to the center of the installation table 1, one end of the pressing table 21, which is far away from the movable block 22, rotates upwards, that is, the pressing table 21 tilts upwards to leave the tool; when one end of the movable block 22, which is far away from the pressing table 21, rotates in a direction far away from the center of the installation table 1, one end of the pressing table 21, which is far away from the movable block 22, rotates downwards, that is, the pressing table 21 tilts downwards to press the tool.
The rotating shaft 4 rotates the rotating member 42 at the same time, because the rotating member 42 is an irregular rotating member 42, and one side of the rotating member 42 is provided with a convex block 421 which protrudes outwards, when the rotating member 42 rotates along with the rotating shaft 4, if the rotating member rotates until the convex block 421 abuts against the movable block 22, the movable block 22 will be pushed outwards, so that the elastic device 43 is compressed, and thus an energy storage state is formed, meanwhile, the movable block 22 is arranged vertically, and along with the continuous rotation of the rotating shaft 4, the convex block 421 will rotate to the side back to the movable block 22, so that after the convex block 421 does not abut against the movable block 22, the elastic device 43 is not compressed and converted into a potential energy state, and after the elastic device recovers the original length, the movable block 22 will be pushed towards the direction close to the center of the installation table 1, because the end of the movable block 22 connected with the pressing table 21 is fixed, the other end of the movable block 22 moves back and forth, so that the pressing table, and when the pressing table 21 inclines to the horizontal direction, the tool is pressed.
In the present embodiment, the wrench 44 is fixed to the end of the rotating shaft 4, and the wrench 44 may be provided at both ends of the rotating shaft 4, or the wrench 44 may be provided only at one end thereof; the wrench 44 is used for rotating the rotating shaft 4; when the wrench 44 is wrenched in a direction away from the center of the installation table 1, the positioning pin 3 is in a limiting position and the pressing device 2 moves to the horizontal direction; when the wrench 44 is wrenched in a direction approaching the center of the mounting table 1, the positioning pin 3 is not located at the limit position and the pressing device 2 is not located in the horizontal direction. The tip of axis of rotation 4 sets up spanner 44, can judge the rotation degree of axis of rotation 4 through spanner 44's rotation state to judge whether locating pin 3 is in the limiting position and compress tightly platform 21 and be in the horizontal direction, can realize directly perceived judgement, and only need can realize compressing tightly simultaneously and fix a position through pulling spanner 44, easy and simple to handle, thereby reduce the frock change time, make work efficiency obtain improving.
The above, only be the preferred embodiment of the present invention, but the design concept of the present invention is not limited to this, and any skilled person familiar with the technical field is in the technical scope disclosed in the present invention, and it is right to utilize this concept to perform insubstantial changes to the present invention, all belong to the act of infringing the protection scope of the present invention.
Claims (10)
1. A quick tooling exchange module is characterized by comprising a placing table for placing a tooling, a positioning pin arranged on the placing table and pressing devices arranged on two sides of the placing table; a first movable groove is formed in the mounting table, a positioning hole is formed in the tool, a driving mechanism drives one end of the positioning pin to be movably connected with the first movable groove, and the driving mechanism drives the other end of the positioning pin to be inserted into the positioning hole to a limiting position, so that the tool is limited in the horizontal direction; the driving mechanism drives the compressing device to be movably connected with the placing table, and the driving mechanism drives the compressing device to compress the tool when moving to the horizontal direction, so that the tool is limited in the vertical direction.
2. The tool rapid die change assembly according to claim 1, wherein the driving mechanism comprises a driving assembly, a reversing assembly and an energy storage assembly; the reversing assembly is connected between the driving assembly and the positioning pin, and the driving assembly drives the reversing assembly to convert the rotating direction into a straight direction so that the positioning pin moves up and down in the first movable groove; the energy storage assembly is connected with the driving assembly and driven by the driving assembly, so that the energy storage assembly is switched between an energy storage state and a potential energy state, and when the energy storage assembly is in the energy storage state, the pressing device moves to the horizontal direction.
3. The tool rapid exchanging module of claim 2, wherein the driving assembly is a rotating shaft and is disposed on both sides of the mounting table; the reversing assembly is specifically a linkage piece and is fixedly connected with the rotating shaft, the rotating shaft and the linkage piece rotate coaxially, the rotating surface of the linkage piece is vertical to the length direction of the positioning pin, and the side part of the linkage piece abuts against the positioning pin; and when the rotating shaft is rotated, the linkage piece rotates in a linkage way, so that the positioning pin moves upwards or downwards in the first movable groove.
4. The tooling quick die change assembly according to claim 3, wherein the linkage member is a gear, and a side surface of the positioning pin close to the gear is provided with a matching tooth part; the gear and the matching tooth part are meshed to form meshing transmission.
5. The tool rapid tooling exchange module of claim 4, wherein when the positioning pin is fully disposed inside the first movable groove, the gear is engaged with the middle portion of the mating tooth portion; the gear rotates towards the outer direction of the mounting table, the gear drives the matching tooth part to move upwards, after the positioning pin moves upwards and is inserted into the positioning hole, the gear rotates towards the inner direction of the mounting table, the gear drives the matching tooth part to move downwards, and the positioning pin moves downwards to leave the positioning hole.
6. The tool rapid die change assembly according to claim 3, wherein the pressing device comprises a movable block and a pressing table for pressing the tool; the energy storage assembly specifically comprises a rotating piece and an elastic device; the rotating shaft is further fixed with the rotating piece, the rotating piece and the rotating shaft rotate coaxially, and one side of the rotating piece extends outwards to form a convex block.
7. The tool rapid die change assembly according to claim 6, wherein a second movable groove is further formed in the mounting table, one end of the movable block is connected with the pressing table, and the other end of the movable block is inserted into the second movable groove; one side of one end, inserted into the second movable groove, of the movable block is abutted to the rotating piece, the other side of the one end of the movable block is connected with an elastic device, and one end, far away from the movable block, of the elastic device is fixedly connected with the placing table.
8. The tooling quick change module of claim 7, wherein the hold down table is perpendicular to the movable block; when the pressing table is arranged in the horizontal direction, the tool is pressed, the movable block is arranged along the vertical direction, the convex block of the rotating part abuts against the movable block, and the elastic device is pressed tightly; rotate the piece messenger the lug leaves the movable block, resilient means is to being close to settle the platform center direction extends and resumes original length, the movable block is connected resilient means's one end quilt resilient means is to being close to settle platform center department top is supported, makes the movable block is connected the one end that compresses tightly the platform rotates to the direction of keeping away from place settle platform center, makes compress tightly the platform not with one side that the movable block is connected upwards rotates, thereby compress tightly the platform tilt up and do not compress tightly the frock.
9. The tooling quick die change module according to claim 8, wherein a rotating cavity is arranged at the joint of the pressing table and the movable block, a rotating pin is fixed on the mounting table and inserted into the rotating cavity, and the pressing table and the movable block rotate by taking the rotating cavity as a central axis; when one end of the movable block, which is far away from the pressing table, rotates towards the direction close to the center of the placing table, one end of the pressing table, which is far away from the movable block, rotates upwards, namely the pressing table inclines upwards to leave the tool; when the movable block is far away from one end of the pressing table rotates towards the direction far away from the center of the placing table, one end, far away from the movable block, of the pressing table rotates downwards, namely, the pressing table inclines downwards to press the tool.
10. The tool rapid exchanging module of any one of claims 3 to 9, wherein a wrench is fixed at the end of the rotating shaft, and the wrench is used for rotating the rotating shaft; when the wrench is wrenched in the direction far away from the center of the mounting table, the positioning pin is positioned at the limiting position and the pressing device moves to the horizontal direction; when the wrench is wrenched towards the direction close to the center of the mounting table, the positioning pin is not positioned at the limiting position and the pressing device is not positioned in the horizontal direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836696.6U CN211388666U (en) | 2019-10-29 | 2019-10-29 | Quick die changing part of tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921836696.6U CN211388666U (en) | 2019-10-29 | 2019-10-29 | Quick die changing part of tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211388666U true CN211388666U (en) | 2020-09-01 |
Family
ID=72228790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921836696.6U Expired - Fee Related CN211388666U (en) | 2019-10-29 | 2019-10-29 | Quick die changing part of tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211388666U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579307A (en) * | 2021-09-29 | 2021-11-02 | 南通通利精密机械有限公司 | Manganese steel alloy disjunctor support frock of punching that toughness is good |
-
2019
- 2019-10-29 CN CN201921836696.6U patent/CN211388666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579307A (en) * | 2021-09-29 | 2021-11-02 | 南通通利精密机械有限公司 | Manganese steel alloy disjunctor support frock of punching that toughness is good |
| CN113579307B (en) * | 2021-09-29 | 2021-12-10 | 南通通利精密机械有限公司 | Manganese steel alloy disjunctor support frock of punching that toughness is good |
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| GR01 | Patent grant | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200901 |