CN210820656U - Three-plate die capable of being locked - Google Patents
Three-plate die capable of being locked Download PDFInfo
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- CN210820656U CN210820656U CN201921712979.XU CN201921712979U CN210820656U CN 210820656 U CN210820656 U CN 210820656U CN 201921712979 U CN201921712979 U CN 201921712979U CN 210820656 U CN210820656 U CN 210820656U
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Abstract
The utility model relates to a mould field, more specifically say, it relates to a three-plate mould that can lock. The key points of the technical scheme are as follows: the mould locking device comprises a front mould, a rear mould, a locking assembly and an auxiliary mould opening device, wherein the locking device comprises a locking block, a first bolt and a second bolt, a first mounting hole is formed in the rear mould base, a second mounting hole is formed in the first front mould base, a first threaded hole and a second threaded hole are formed in the locking block, the first threaded hole and the second threaded hole are respectively formed in two ends of the locking block, the first bolt is in threaded connection with the first mounting hole and the first threaded hole, and the second bolt is in threaded connection with the second mounting hole and the second threaded hole. The utility model discloses a three-plate mold capable of being locked, which can better realize the second-stage mold opening of the mold; the structure is simple, the cost is low, the two-stage opening and closing of the three-plate die can be realized only by arranging a simple mechanism on the die, and the locking can be better carried out.
Description
Technical Field
The utility model relates to a mould field, more specifically say, it relates to a three-plate mould that can lock.
Background
The three-plate die is a die needing two-stage die opening and is suitable for processing some complex workpieces.
At present, the mode of realizing the two-stage mold opening of the three-plate mold is realized by changing a mold opening and closing device on an injection molding machine, and the prior art has the three-plate mold, wherein a front mold of the three-plate mold is divided into a first front mold frame and a second front mold frame, and the first front mold frame, the second front mold frame and a rear mold frame form three molds capable of being opened and closed in two stages.
However, such a three-plate mold is easy to fall off and fall off from the shelf because of its two-stage opening and closing capability when stored or transported.
Therefore, there is a need for a lockable three-plate mold that overcomes the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a not enough to prior art exists, the utility model aims to provide a three-plate mould that can lock can be when three-plate mould needs the transportation, with three-plate mould locks.
The above technical purpose of the present invention can be achieved by the following technical solutions: a three-plate die capable of being locked comprises a front die, a rear die, a locking component and an auxiliary die opening device, wherein,
the front mould comprises a front mould frame base plate, a first front mould frame and a second front mould frame, wherein the first front mould frame is arranged on the front mould frame base plate, and the second front mould frame is arranged on the first front mould frame;
the rear die comprises a rear die frame bottom plate and a rear die frame, and the rear die frame bottom plate move together in the die opening and closing process;
the locking device comprises a locking block, a first bolt and a second bolt, a first mounting hole is formed in the rear die carrier, a second mounting hole is formed in the first front die carrier, a first threaded hole and a second threaded hole are formed in the locking block, the first threaded hole and the second threaded hole are respectively formed in two ends of the locking block, the first bolt is in threaded connection with the first mounting hole and the first threaded hole, and the second bolt is in threaded connection with the second mounting hole and the second threaded hole.
Through adopting above-mentioned technical scheme, through the combined action of first bolt, first mounting hole, first screw hole, can be fixed the one end of locking piece on the die carrier of back, through the combined action of second bolt, second mounting hole, second screw hole, can be with the other end closure of locking piece on first preceding die carrier, realize locking.
The utility model discloses further set up to: also comprises an auxiliary die sinking device, the auxiliary die sinking device comprises a fixed seat, a first auxiliary opening and closing rod, a second auxiliary opening and closing rod, a clamping block and an elastic piece, wherein,
the first auxiliary opening and closing rod comprises a first fixing part, a first hooking part and a first main body part, the first fixing part, the first hooking part and the first main body part are integrally formed, the first main body part is arranged between the first fixing part and the first main body part, and the first fixing part is fixedly arranged at the bottom plate of the front die carrier;
the second auxiliary opening and closing rod comprises a second fixing part, a second hooking part and a second main body part, the second fixing part, the second hooking part and the second main body part are integrally formed, the second main body part is arranged between the first fixing part and the second main body part, and the second fixing part is fixedly arranged at the rear die carrier;
the fixed seat is fixedly arranged on the second front die frame, a first abdicating hole and a second abdicating hole are formed in the fixed seat along the die opening and closing direction of the die, the first abdicating hole is used for the first main body part to pass through, and the second abdicating hole is used for the second main body part to pass through;
the clamping block is provided with a connecting part, a first clamping part and a second clamping part, the first clamping part and the second clamping part are fixedly connected with the connecting part, a gap is reserved between the first clamping part and the second clamping part, the fixed seat is also provided with a sliding groove for the clamping block to slide, and the clamping block can move in the sliding groove along the direction perpendicular to the die opening direction;
the elastic piece is arranged in the sliding groove, one end of the elastic piece is connected with the clamping block, the other end of the elastic piece is connected with the groove wall of the sliding groove, the elastic piece is arranged along the sliding direction of the clamping block, the first clamping block can be abutted against the first main body part under the action of the elastic piece, and the second clamping part can be abutted against the second main body part;
the second clamping part can cooperate with the second hooking part to limit the second auxiliary opening and closing rod to be drawn out of the second abdicating hole, the first clamping part can cooperate with the first hooking part to enable the clamping block to compress the elastic part, and the limiting relation of the second clamping part to the second hooking part is released.
Through adopting above-mentioned technical scheme, during the die sinking, the mould clamping device that opens and shuts on the injection molding machine can drive the back die carrier and keep away from preceding die carrier bottom plate motion, because the limiting displacement of second clamping part to second hooking part, the supplementary pole and the fixing base that open and shut of second keep away from preceding die carrier bottom plate motion in the lump, and then make preceding die carrier of second and back die carrier keep away from preceding die carrier bottom plate motion in the lump, realize first order die sinking, the first main part of the first supplementary pole that opens and shuts of this moment removes in the first hole of stepping down. When the first hooking part of the first auxiliary opening and closing rod moves to the position matched with the first clamping part, the first clamping part and the first hooking part are matched to enable the clamping block to compress the elastic piece, at the moment, the limit relation of the second hooking part by the second clamping part is released, the opening and closing device on the injection molding machine continues to drive the rear mold frame to be far away from the front mold frame bottom plate, the second front mold frame is not driven to move, the second front mold frame is separated from the rear mold frame, and the secondary demolding of the mold is realized.
The utility model discloses further set up to: the elastic piece is a spring.
Through adopting above-mentioned technical scheme, the spring is a better elastic component.
The utility model discloses further set up to: the first hooking part is provided with a first inclined plane and a second inclined plane, the first clamping part is provided with a third inclined plane and a fourth inclined plane, the second hooking part is provided with a fifth inclined plane, the second clamping part is provided with a sixth inclined plane, the fifth inclined plane and the sixth inclined plane are matched to enable the clamping block to compress the elastic piece, the second inclined plane and the third inclined plane are matched to enable the clamping block to compress the elastic piece, and the first inclined plane and the fourth inclined plane are matched to compress the elastic piece.
Through adopting above-mentioned technical scheme, the inclined plane cooperation is a better cooperation mode, and the cooperation on first inclined plane, fourth inclined plane to and the cooperation on sixth inclined plane and fifth inclined plane all are for the compound die process is more unobstructed, and the cooperation on second inclined plane and third inclined plane is mainly that the die sinking for the second grade is more smooth and easy.
The utility model discloses further set up to: the three-plate mould is provided with supporting legs,
through adopting above-mentioned technical scheme, the supporting legs makes the mould when transportation or storage, can place better.
The utility model discloses further set up to: the second front die carrier is provided with a fixed block, and the rear die carrier is provided with two fixed blocks.
Through adopting above-mentioned technical scheme, fixed one can play better fixed action with fixed two.
To sum up, the utility model discloses following beneficial effect has:
firstly, the secondary die opening of the die can be better realized;
secondly, the structure is simple, the cost is low, and the secondary opening and closing of the three-plate die can be realized only by arranging a simple mechanism on the die;
thirdly, the mould can be locked simply.
Drawings
FIG. 1 is a schematic view of the overall structure of the present embodiment;
FIG. 2 is a schematic view showing an assembly relationship of the auxiliary mold opening device in the present embodiment;
FIG. 3 is a schematic view illustrating another assembly relationship of the auxiliary mold opening device according to the present embodiment;
FIG. 4 is a schematic view of the relationship between the inclined planes of the auxiliary mold opening device according to the present embodiment;
FIG. 5 is a schematic view of the installation of the Chinese closure assembly of the present embodiment;
fig. 6 is a schematic view of the structure of the tightening member in the present embodiment.
In the figure: 1. a front mold frame base plate; 2. a first front mold frame; 3. a second front mold frame; 4. fixing one block; 5. fixing the two blocks; 6. a rear mould frame; 7. square iron; 8. a rear mould base plate; 9. a support pillar; 10. a slide push plate; 11. a push plate guide post; 12. a fixed seat; 12a, a first yielding hole; 12b, a second abdicating hole; 12c, a sliding groove; 13. a first auxiliary opening and closing rod; 13a, a first hooking part; 13b, a first body portion; 13c, a first fixing part; 14. a second auxiliary opening and closing rod; 14a, a second hooking part; 14b, a second body portion; 14c, a second fixing part; 15. a clamping block; 15a, a first clamping part; 15b, a second clamping part; 15c, a connecting part; 16. a spring; 17. a first inclined plane; 18. a second inclined plane; 19. a third inclined plane; 20. a fourth slope; 21. a fifth bevel; 22. a sixth slope; 23. a first bolt; 24. a second bolt; 25. a locking block; 26. tightening the fastening piece; 26a, a handle.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
In which like parts are designated by like reference numerals. It should be noted that the following description uses terms of orientation such as "front and back end," "left and right sides," "above," "below," and the like to refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" to refer to directions toward and away from, respectively, the geometric center of a particular component. In addition, the descriptions of "mounted on … …", "disposed on … …" and the like refer to two components having a certain connection and positional relationship, and do not refer to one component being on the upper surface of the other component. In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected", if any, are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The inclined plane in the present invention can be understood as an arc inclined plane similar to a chamfer, and can also be understood as a plane inclined plane, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood according to the specific situation.
Referring to fig. 1, a lockable three-plate mold comprises a front mold, a rear mold, and an auxiliary mold opening device, wherein the auxiliary mold opening device is arranged on the front mold and is used for assisting in realizing the secondary mold opening of the mold. Four supporting columns 9 are arranged on the mould, so that the mould can be better placed when being transported or stored.
The front mold includes a front mold frame base plate 1, a first front mold frame 2, and a second front mold frame 3, the first front mold frame 2 is disposed on the front mold frame base plate 1, and the second front mold frame 3 is disposed on the first front mold frame 2, where "disposed on … …" refers to an assembly order, that is, the front mold is assembled in the order of the front mold frame base plate 1, the first front mold frame 2, and the second front mold frame 3 in the drawing.
The rear die comprises a rear die carrier bottom plate 8, a rear die carrier 6, two square irons 7, a line position push plate 10 and a push plate guide pillar 11, wherein the two square irons 7 are arranged on two sides of the rear die carrier 6, the rear die carrier 6 is arranged on one side, far away from the rear die carrier bottom plate 8, of the two square irons 7, the line position push plate 10 is arranged between the two square irons 7, and the push plate guide pillar 11 is arranged between the rear die carrier bottom plate 8 and the rear die carrier 6 and used for guiding the line position push plate 10.
In the mould, a fixed block 4 is arranged on the second front mould frame 3, a fixed block 5 is arranged on the rear mould frame 6, the fixed block 4 and the fixed block 5 are respectively provided with a bulge and a recess which are matched with each other, and the fixed block 4 and the fixed block 5 can be mutually matched to strengthen the positioning effect during mould closing.
Referring to fig. 1 and 2, the auxiliary mold opening device of this embodiment includes a fixing seat 12, a first auxiliary opening/closing rod 13, a second auxiliary opening/closing rod 14, a clamping block 15, and an elastic member, specifically, the elastic member of this embodiment is a spring 16, it should be understood that in other embodiments, the elastic member may also be an elastic rubber column or other elastic members capable of achieving the purpose of the present invention. It should be further noted that the auxiliary mold opening device of this embodiment is provided with two positions, which are respectively disposed on two opposite sidewalls of the mold, and the two auxiliary mold openings can make the second-stage mold opening of the mold of this embodiment more stable.
Referring to fig. 2 and 3, the first auxiliary opening and closing lever 13 includes a first fixing portion 13c, a first hooking portion 13a, and a first main body portion 13b, the first fixing portion 13c, the first hooking portion 13a, and the first main body portion 13b are integrally formed, the first main body portion 13b is disposed between the first fixing portion 13c and the first main body portion 13b, and the first fixing portion 13c is fixedly disposed at the front mold frame base plate 1.
The second auxiliary opening and closing lever 14 includes a second fixing portion 14c, a second hooking portion 14a, and a second main body portion 14b, the second fixing portion 14c, the second hooking portion 14a, and the second main body portion 14b are integrally formed, the second main body portion 14b is disposed between the first fixing portion 13c and the second main body portion 14b, and the second fixing portion 14c is fixedly disposed at the rear mold frame 6.
The fixing seat 12 is fixedly arranged on the second front mold frame 3, the fixing seat 12 is provided with a first yielding hole 12a and a second yielding hole 12b along the mold opening and closing direction of the mold, the first yielding hole 12a is used for the first main body part 13b to pass through, and the second yielding hole 12b is used for the second main body part 14b to pass through.
Chucking piece 15 is provided with connecting portion 15c, first chucking portion 15a and second chucking portion 15b all with connecting portion 15c fixed connection, there is one section clearance between first chucking portion 15a and the second chucking portion 15b, fixing base 12 still is provided with the groove 12c that slides that supplies chucking piece 15 to slide, chucking piece 15 can move along the direction perpendicular with the die sinking direction in the groove 12c that slides.
The spring 16 is disposed in the sliding groove 12c, one end of the spring is connected to the clamping block 15, the spring 16 may be connected to the connecting portion 15c of the clamping block 15, or may be connected to the second clamping portion 15b of the clamping block 15, the other end of the spring is connected to the groove wall of the sliding groove 12c, the spring 16 is disposed along the sliding direction of the clamping block 15, the first clamping block 15 can abut against the first main body portion 13b, and the second clamping portion 15b can abut against the second main body portion 14b under the action of the spring 16.
Referring to fig. 4, the first hooking portion 13a is provided with a first inclined surface 17 and a second inclined surface 18, the first clamping portion 15a is provided with a third inclined surface 19 and a fourth inclined surface 20, the second hooking portion 14a is provided with a fifth inclined surface 21, the second clamping portion 15b is provided with a sixth inclined surface 22, the fifth inclined surface 21 and the sixth inclined surface 22 cooperate to enable the clamping block 15 to compress the spring 16, the second inclined surface 18 and the third inclined surface 19 cooperate to enable the clamping block 15 to compress the spring 16, and the first inclined surface 17 and the fourth inclined surface 20 cooperate to compress the spring 16.
The second locking part 15b can be matched with the second hooking part 14a to limit the second auxiliary opening and closing rod 14 from being drawn out of the second abdicating hole 12b, the first locking part 15a can be matched with the first hooking part 13a to enable the locking block 15 to compress the spring 16, and the limiting relation of the second locking part 15b to the second hooking part 14a is released.
The working principle of the embodiment is as follows:
during the die sinking, the last mold opening and closing device of injection molding machine can drive back die carrier 6 and keep away from preceding die carrier bottom plate 1 motion, because second chucking part 15b to the second hooking part 14 a's limiting displacement, the supplementary pole 14 that opens and shuts of second and the motion of preceding die carrier bottom plate 1 is kept away from in the lump to fixing base 12, and then make the preceding die carrier bottom plate 1 motion of keeping away from in the lump of second preceding die carrier 3 and back die carrier 6, realize first order die sinking, the first main part 13b of the first supplementary pole 13 that opens and shuts of this moment moves in the first hole 12a that steps down. When the first hooking part 13a of the first auxiliary opening and closing rod 13 moves to the position matched with the first clamping part 15a, the first clamping part 15a and the first hooking part 13a are matched to enable the clamping block 15 to compress the spring 16, and the first clamping part 15a and the first hooking part 13a are matched to be realized through the matching of the second inclined surface 18 and the third inclined surface 19, at the moment, the limit relation of the second clamping part 15b to the second hooking part 14a is released, the mold opening and closing device on the injection molding machine continues to drive the rear mold frame 6 to be far away from the front mold frame base plate 1, and the second front mold frame 3 is not driven to move, so that the second front mold frame 3 is separated from the rear mold frame 6, and the secondary demolding of the mold is realized.
During die assembly, the rear die frame 6 approaches to the front die frame, firstly, the second auxiliary opening and closing rod 14 enters the second abdicating hole 12b, the fifth inclined surface 21 and the sixth inclined surface 22 are matched to compress the spring 16, then the clamping block 15 enables the second clamping part 15b to be abutted against the second main body part 14b under the action of the spring 16, then the first auxiliary opening and closing rod 13 enters the first abdicating hole 12a, the first inclined surface 17 and the fourth inclined surface 20 are matched to compress the spring 16, then the clamping block 15 enables the first clamping part 15a to be abutted against the first main body part 13b under the action of the spring 16, and finally, complete die assembly is realized under the action of a die opening and closing device on the injection molding machine.
Referring to fig. 5 and 6, the three-plate mold is provided with a locking device, the locking device includes a locking block 25, a first bolt 23, a second bolt 24 and a tightening member 26, the rear mold 6 is provided with a first mounting hole (not shown), the first front mold frame 2 is provided with a second mounting hole (not shown), the locking block 25 is provided with a first threaded hole (not shown) and a second threaded hole (not shown), the first threaded hole and the second threaded hole are respectively provided at two ends of the locking block 25, the first bolt 23 and the first mounting hole, the equal threaded connection of first screw hole, the equal threaded connection of second bolt 24 and second mounting hole, second screw hole, the locking piece 25 be provided with screw up 26 threaded connection's third screw hole, screw up 26 one end and fixed 4, two fixed 5 butts, the other end is provided with supplies the people to twist the handle 26a of moving. It should be noted that the threads of the tightening member in fig. 6 are not shown.
Through the combined action of first bolt 23, first mounting hole, first screw hole, can fix the one end of locking piece 25 on back die carrier 6, through the combined action of second bolt 24, second mounting hole, second screw hole, can be with the other end closure of locking piece 25 on first preceding die carrier, then further tighten locking piece 25 on the mould through tightening piece 26, realize locking.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. A lockable three-plate mold, characterized in that: comprises a front die, a rear die, a locking component and an auxiliary die opening device, wherein,
the front mould comprises a front mould base plate (1), a first front mould base (2) and a second front mould base (3), wherein the first front mould base (2) is arranged on the front mould base plate (1), and the second front mould base (3) is arranged on the first front mould base (2);
the rear die comprises a rear die frame bottom plate (8) and a rear die frame (6), and the rear die frame (6) and the rear die frame bottom plate (8) move together in the die opening and closing process;
the locking assembly comprises a locking block (25), a first bolt (23) and a second bolt (24), a first mounting hole is formed in the rear die carrier, a second mounting hole is formed in the first front die carrier, a first threaded hole and a second threaded hole are formed in the locking block (25), the first threaded hole and the second threaded hole are respectively formed in two ends of the locking block (25), the first bolt (23) is in threaded connection with the first mounting hole and the first threaded hole, and the second bolt (24) is in threaded connection with the second mounting hole and the second threaded hole.
2. A lockable three-plate mould according to claim 1, characterized in that: also comprises an auxiliary die sinking device, the auxiliary die sinking device comprises a fixed seat (12), a first auxiliary opening and closing rod (13), a second auxiliary opening and closing rod (14), a clamping block (15) and an elastic piece, wherein,
the first auxiliary opening and closing rod (13) comprises a first fixing part (13c), a first hooking part (13a) and a first main body part (13b), the first fixing part (13c), the first hooking part (13a) and the first main body part (13b) are integrally formed, the first main body part (13b) is arranged between the first fixing part (13c) and the first main body part (13b), and the first fixing part (13c) is fixedly arranged at the front die carrier bottom plate (1);
the second auxiliary opening and closing rod (14) comprises a second fixing part (14c), a second hooking part (14a) and a second main body part (14b), the second fixing part (14c), the second hooking part (14a) and the second main body part (14b) are integrally formed, the second main body part (14b) is arranged between the first fixing part (13c) and the second main body part (14b), and the second fixing part (14c) is fixedly arranged at the rear die carrier (6);
the fixed seat (12) is fixedly arranged on the second front mold frame (3), a first yielding hole (12a) and a second yielding hole (12b) are formed in the fixed seat (12) along the mold opening and closing direction of the mold, the first yielding hole (12a) is used for allowing the first main body part (13b) to penetrate through, and the second yielding hole (12b) is used for allowing the second main body part (14b) to penetrate through;
the clamping block (15) is provided with a connecting part (15c), a first clamping part (15a) and a second clamping part (15b), the first clamping part (15a) and the second clamping part (15b) are fixedly connected with the connecting part (15c), a gap exists between the first clamping part (15a) and the second clamping part (15b), the fixed seat (12) is further provided with a sliding groove (12c) for the clamping block (15) to slide, and the clamping block (15) can move in the sliding groove (12c) along the direction perpendicular to the mold opening direction;
the elastic piece is arranged in the sliding groove (12c), one end of the elastic piece is connected with the clamping block (15), the other end of the elastic piece is connected with the groove wall of the sliding groove (12c), the elastic piece is arranged along the sliding direction of the clamping block (15), the first clamping block (15) can be abutted against the first main body part (13b) under the action of the elastic piece, and the second clamping part (15b) can be abutted against the second main body part (14 b);
the second clamping part (15b) can be matched with the second hooking part (14a) to limit the second auxiliary opening and closing rod (14) to be drawn out of the second abdicating hole (12b), the first clamping part (15a) can be matched with the first hooking part (13a) to enable the clamping block (15) to compress the elastic piece, and the limiting relation of the second clamping part (15b) to the second hooking part (14a) is released.
3. A lockable three-plate mould according to claim 2, characterized in that: the elastic element is a spring (16).
4. A lockable three-plate mould according to claim 3, characterized in that: the first hooking part (13a) is provided with a first inclined surface (17) and a second inclined surface (18), the first clamping part (15a) is provided with a third inclined surface (19) and a fourth inclined surface (20), the second hooking part (14a) is provided with a fifth inclined surface (21), the second clamping part (15b) is provided with a sixth inclined surface (22), the fifth inclined surface (21) is matched with the sixth inclined surface (22) to enable the clamping block (15) to compress the elastic piece, the second inclined surface (18) is matched with the third inclined surface (19) to enable the clamping block (15) to compress the elastic piece, and the first inclined surface (17) is matched with the fourth inclined surface (20) to compress the elastic piece.
5. A lockable three-plate mould according to claim 1, characterized in that: supporting legs (9) are arranged on the three-plate die.
6. A lockable three-plate mould according to claim 3, characterized in that: the second front mould frame (3) is provided with a fixed block (4), and the rear mould frame (6) is provided with two fixed blocks (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712979.XU CN210820656U (en) | 2019-10-12 | 2019-10-12 | Three-plate die capable of being locked |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921712979.XU CN210820656U (en) | 2019-10-12 | 2019-10-12 | Three-plate die capable of being locked |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210820656U true CN210820656U (en) | 2020-06-23 |
Family
ID=71256217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921712979.XU Expired - Fee Related CN210820656U (en) | 2019-10-12 | 2019-10-12 | Three-plate die capable of being locked |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210820656U (en) |
-
2019
- 2019-10-12 CN CN201921712979.XU patent/CN210820656U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200623 Termination date: 20211012 |
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| CF01 | Termination of patent right due to non-payment of annual fee |