CN117206493A - Die casting die with in-die stretch-breaking stub bar function - Google Patents
Die casting die with in-die stretch-breaking stub bar function Download PDFInfo
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- CN117206493A CN117206493A CN202311484321.9A CN202311484321A CN117206493A CN 117206493 A CN117206493 A CN 117206493A CN 202311484321 A CN202311484321 A CN 202311484321A CN 117206493 A CN117206493 A CN 117206493A
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- 238000004512 die casting Methods 0.000 title claims abstract description 57
- 239000000463 material Substances 0.000 claims description 25
- 230000000903 blocking effect Effects 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 14
- 238000003825 pressing Methods 0.000 claims description 13
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 238000010030 laminating Methods 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 238000000926 separation method Methods 0.000 abstract description 6
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The invention relates to the technical field of die casting devices, and provides a die casting die with a function of breaking a stub bar in a die, which comprises: including cover half subassembly and movable mould subassembly, the cover half subassembly has: a fixed mold frame; the fixed die frame and the movable die assembly are movably arranged between the fixed die frame and the movable die assembly, and a plurality of sub-runners are formed between the fixed die frame and the two plates; the junction of every subchannel and product die cavity all is provided with back-off structure and back-off structure is fixed in the cover half frame. Compared with the prior art, the invention has the advantages that the inverted structure fixedly arranged on the fixed die frame is arranged at the end part of the flow dividing channel, the two plates have the second motion state which moves synchronously with the movable die assembly, the inverted structure drives the stub bar and the casting to be broken by force, the in-die separation of the stub bar and the casting is completed, a plurality of oil cylinders are not required to be arranged according to the number of the flow dividing channels, the energy consumption required by each die casting in production is reduced, and the manufacturing cost of the casting is reduced.
Description
Technical Field
The invention relates to the technical field of die casting devices, in particular to a die casting die with a function of breaking a stub bar in a die.
Background
The die casting die is a tool for casting metal parts, and is a tool for completing a die casting process on a special die casting machine. The basic technological process of die casting is as follows: the molten metal is cast and filled into the cavity of the mold at low or high speed, the mold has movable cavity surface, and the molten metal is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defect of the blank are eliminated, and the internal structure of the blank reaches the forged broken grains. The traditional die casting die is connected with the product through the material handle after die opening, and after the product is taken out of the die casting die, the material handle is required to be separated from the product through other processes, and the manufacturing procedure of the product is increased through the operation mode, so that the manufacturing cost of the product is increased.
To solve the above problems, chinese patent application publication No. CN 115889726B, which has been patented, discloses a die casting mold having a function of separating an in-mold stem from a head, comprising: the fixed die subassembly and movable die subassembly form the product die cavity between fixed die subassembly and the movable die subassembly, and the fixed die subassembly has: a material handle cavity and a sub-runner; the movable rod is movably inserted between the material handle cavity and the flow dividing channel. Compared with the prior art, the invention mainly sets the movable rod and inserts the movable rod between the material handle cavity and the shunt channel, after feeding is finished and the metal raw material between the material handle cavity and the shunt channel is in a semi-solidification state, the movable rod is extruded between the material handle cavity and the shunt channel to separate the material handle from the material head, and the separation of the material handle and the material head in the die-casting die is completed, so that the production process of workpieces is reduced, the production cost of the workpieces is reduced, and the operation mode has simpler structure and low failure rate of the mechanism when separating the material handle and the material head, is beneficial to continuous production of products and improves the comprehensive efficiency of equipment.
However, the invention cuts off the material handle and the material head after the feeding of the die casting mold is finished and before the solidification of the metal solution, the power source of the movable rod is an oil cylinder arranged in the fixed mold component, each movable rod corresponds to one oil cylinder, each shunt channel corresponds to one movable rod, and when the number of the shunt channels is large, a plurality of oil cylinders are required to be arranged on the die casting mold, so that the volume and the energy consumption of the die casting mold can be increased, and the manufacturing cost of each casting piece can be further increased.
Disclosure of Invention
The invention aims to solve the technical problem of providing a die casting die with an in-die breaking stub bar function aiming at the current state of the art.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a die casting die with in-mould stretch-break stub bar function, includes cover half subassembly and movable mould subassembly, the movable mould subassembly with the cover half subassembly activity is supported and is leaned on, the cover half subassembly with when the movable mould subassembly is pasted the cover half subassembly with form the product die cavity between the movable mould subassembly, the cover half subassembly has:
a fixed die frame, on which a main runner penetrating through the fixed die frame is arranged;
the fixed die frame and the movable die assembly are movably arranged between the fixed die frame and the movable die assembly, the fixed die frame and the movable die assembly are provided with a first movement state and a second movement state, the first movement state and the second movement state are synchronous to the movement of the movable die assembly, a plurality of sub-runners are formed between the fixed die frame and the two plates, the sub-runners are used for guiding a metal solution entering the main runners into the product cavity, and after the metal solution flows through the sub-runners, a stub bar is formed in the sub-runners;
the junction of each split runner and the product cavity is provided with an inverted structure which is fixed on the fixed die frame, the inverted structure extends outwards along the tail end of the split runner to form, and the extending direction of the inverted structure is perpendicular to the moving direction of the movable die assembly;
when the two plates are in the first motion state, the material head and a product molded in the product cavity are forced to be broken through the back-off structure, and the material head is exposed;
when the two plates are in the second motion state, the two plates are separated from the movable module and expose the product molded in the product cavity.
In the die casting die with the function of breaking the stub bar in the die, the fixed die frame faces to one side of the two plates, the insert faces to one end of the fixed die frame, the storage groove is formed in the end, facing to the fixed die frame, of the die casting die, and the storage groove is used for forming the back-off structure.
In the die-casting die with the function of breaking the stub bar in the die, the stock groove penetrates through the side wall of the insert, so that the stock groove is communicated with the product cavity.
In the die casting mold with the function of breaking the material head in the mold, the pressing blocks which are in one-to-one correspondence with the flow dividing channels are movably arranged on the two plates, and the pressing blocks are used for pressing the material head in the flow dividing channels when the two plates are in the first movement state.
The die casting die with the in-die breaking stub bar function further comprises a driving piece and a pushing assembly, wherein the driving piece and the pushing assembly are arranged on the outer side wall of the fixed die assembly, the driving piece is used for driving the two plates to be separated from the fixed die frame, and the pushing assembly is used for driving the two plates to be switched from the first motion state to the second motion state.
In the above-mentioned die casting die with in-mold breaking stub bar function, the promotion subassembly includes:
one end of the push plate is fixed on the fixed die frame;
a moving block fixed to the other end of the push plate;
the blocking block is fixed on the outer side walls of the two plates and is positioned on the motion track of the moving block;
when the two plates are in the first motion state, the push plate drives the moving block to move towards the direction close to the blocking block, and when the moving block abuts against the blocking block, the two plates are switched to the second motion state.
In the die-casting die with the function of breaking the stub bar in the die, a runner insert is arranged at one end, facing the two plates, of the fixed die frame, and the shunt channel is arranged on the runner insert.
In the die-casting die with the function of breaking the stub bar in the die, the driving piece is an oil cylinder, the oil cylinder is fixedly arranged on the outer side wall of the fixed die frame, and the output shaft of the oil cylinder is connected to the two plates.
In the die casting die with the function of breaking the stub bar in the die, the outer side walls of the two plates are provided with the clamping grooves, the clamping blocks are connected with each other in a threaded mode in the clamping grooves, the output shaft of the oil cylinder is provided with the T-shaped blocks, the T-shaped blocks are placed in the clamping grooves, and the clamping blocks are clamped at the small ends of the T-shaped blocks and are abutted to the large ends of the T-shaped blocks.
Compared with the prior art, the invention has the advantages that the inverted structure fixedly arranged on the fixed die frame is arranged at the end part of the flow dividing channel, the two plates have the second motion state which moves synchronously with the movable die assembly, the inverted structure drives the stub bar and the casting to be broken by force, the in-die separation of the stub bar and the casting is completed, a plurality of oil cylinders are not required to be arranged according to the number of the flow dividing channels, the energy consumption required by each die casting in production is reduced, and the manufacturing cost of the casting is reduced.
Drawings
FIG. 1 is a perspective view of the present solution;
FIG. 2 is a plan view of the present solution;
FIG. 3 is a cross-sectional view taken along the direction A-A in FIG. 2;
FIG. 4 is a perspective view of a part of the structure of the stationary mold assembly;
FIG. 5 is a perspective view of an insert;
fig. 6 is a partial cross-sectional view of the push assembly.
In the figure, 1, a fixed die assembly; 2. a movable mold assembly; 3. a fixed mold frame; 4. two plates; 5. a back-off structure; 6. an insert; 7. a storage groove; 8. pressing the blocks; 9. a driving member; 10. a pushing assembly; 11. a push plate; 12. a moving block; 13. a blocking piece; 14. a runner insert; 15. a clamping groove; 16. a clamping block; 17. a T-shaped block; 18. a main flow passage; 19. and a flow dividing channel.
Detailed Description
The following are specific embodiments of the present invention and the technical solutions of the present invention will be further described with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 6, a die casting mold with in-mold breaking stub bar function of the present invention includes a fixed mold assembly 1 and a movable mold assembly 2, the movable mold assembly 2 movably abuts against the fixed mold assembly 1, a product cavity is formed between the fixed mold assembly 1 and the movable mold assembly 2 when the fixed mold assembly 1 is attached to the movable mold assembly 2, the fixed mold assembly 1 has: a fixed mold frame 3 on which a main flow passage 18 penetrating the fixed mold frame 3 is provided; the two plates 4 are movably arranged between the fixed die frame 3 and the movable die assembly 2 and have a first movement state which moves synchronously with the movable die assembly 2 and a second movement state which moves relative to the movable die assembly 2, a plurality of flow dividing channels 19 are formed between the fixed die frame 3 and the two plates 4, the flow dividing channels 19 are used for guiding the metal solution entering the main flow channels 18 into the product cavity, and after the metal solution flows through the flow dividing channels 19, a stub bar is formed in the flow dividing channels 19; the junction of each flow dividing channel 19 and the product cavity is provided with a back-off structure 5, the back-off structure 5 is fixed on the fixed die frame 3, the back-off structure 5 extends outwards along the tail end of the flow dividing channel 19, and the extending direction of the back-off structure 5 is perpendicular to the moving direction of the movable die assembly 2; when the two plates 4 are in the first motion state, the material head and the product molded in the product cavity are forcibly pulled apart through the back-off structure 5, and the material head is exposed; when the two plates 4 are in the second movement state, the two plates 4 are separated from the movable die assembly 2 and expose the product molded in the product cavity.
The fixed die frame 3 and the movable die assembly 2 of the fixed die assembly 1 are respectively fixed on a fixed part and a movable part of the die casting machine, and the movable part drives the movable die assembly 2 to approach or separate from the fixed die assembly 1 so as to realize die opening and die closing actions of the die casting die.
During operation, the die casting machine injects molten metal solution into the main runner 18, the molten metal solution entering the main runner 18 flows through the sub-runner 19 and then enters the product cavity to form a casting and form a stub bar in the sub-runner 19, when the die casting mold is opened, the movable part of the die casting machine drives the movable mold assembly 2 to perform a mold opening action, and when the die is opened, the two plates 4 enter a first motion state and synchronously move with the movable mold assembly 2, and because the back-off structure 5 is fixed on the fixed mold frame 3, when the two plates 4 perform the first motion state and the fixed mold frame 3 are separated, the back-off structure 5 pulls the stub bar in the sub-runner 19 to separate from the casting in the product cavity, and the separation of the stub bar and the casting in the die casting mold is completed.
Exposing the casting to the outside after the second plate 4 is switched from the first movement state to the second movement state (the second movement state of the second plate 4 is performed with respect to the movable die assembly 2, in fact, the second plate 4 remains stationary while the movable die assembly 2 moves), facilitates the subsequent removal of the casting, and also exposing the stub bar to the outside of the die casting mold after the second plate 4 is separated from the fixed die frame 3 in the first movement state, thus also facilitating the removal of the stub bar from the die casting mold.
In this scheme, through set up the back-off structure 5 of fixed setting on cover half frame 3 at shunt 19 tip to make two boards 4 have the first motion state with movable mould subassembly 2 synchronous motion, drive stub bar and foundry goods through back-off structure 5 and break by force, accomplish the in-mould separation of stub bar and foundry goods, need not to set up a plurality of hydro-cylinders according to the quantity of shunt 19, required energy consumption has been reduced when per die casting production, reduced the manufacturing cost of foundry goods.
Further, one side of the fixed die frame 3 facing the two plates 4 is provided with an insert 6, one end of the insert 6 facing the fixed die frame 3 is provided with a stock tank 7, and the stock tank 7 is used for forming the back-off structure 5.
Because the back-off structure 5 needs to pull the stub bar to separate from the casting, the back-off structure 5 is a stressed piece, the material selection and the subsequent required processing of the back-off structure 5 need to be subjected to special treatment, the strength of the back-off structure 5 is increased, the service life of the back-off structure 5 can be ensured, if the back-off structure 5 and the fixed die frame 3 are of an integrated structure, the whole fixed die frame 3 needs to be subjected to reinforcing treatment, and the cost of the whole die casting die can be increased.
Further, the stock groove 7 penetrates through the side wall of the insert 6, so that the stock groove 7 is communicated with the product cavity, and the stock groove is used for conveniently taking out the stock head from the die-casting die after the stock head is separated from the casting.
Further, pressing blocks 8 corresponding to the flow dividing channels 19 one by one are movably arranged on the two plates 4, and the pressing blocks 8 are used for pressing on the material heads in the flow dividing channels 19 when the two plates 4 are in the first motion state.
Because the runner 19 is arranged between the fixed die frame 3 and the two plates 4, when the two plates 4 move in a first motion state, the stub bars in the runner 19 may adhere to the two plates 4 under the pulling of the two plates 4, and for this purpose, in the scheme, a pressing block 8 corresponding to the runner 19 one by one is arranged between the two plates 4 and the fixed die frame 3, and the pressing block 8 presses the stub bars when the two plates 4 and the fixed die frame 3 are separated, so that the stub bars formed in the runner 19 are prevented from being brought out of the runner 19 by the two plates 4, preferably, an elastic member is arranged between the pressing block 8 and the two plates 4, and when the two plates 4 are abutted against the fixed die frame 3, the elastic member is compressed, and when the two plates 4 are in the first motion state, the elastic member restores the extending state and pushes the stub bars adhered to the two plates 4 to be separated from the two plates 4.
Further, the scheme further comprises a driving piece 9 and a pushing assembly 10 which are arranged on the outer side wall of the fixed die assembly 1, the driving piece 9 is used for driving the two plates 4 to be separated from the fixed die frame 3, and the pushing assembly 10 is used for driving the two plates 4 to be switched from a first motion state to a second motion state.
The driving piece 9 sets up in the outside of cover half subassembly 1, makes driving piece 9 can fine heat dissipation, reduces the influence of die casting die heat on transferring driving piece 9 to driving piece 9, promotes the subassembly 10 and is used for driving two boards 4 and movable mould subassembly 2 separation, makes the product die cavity open, is convenient for take out of foundry goods.
Specifically, the pusher assembly 10 includes: a push plate 11, one end of which is fixed on the fixed mold frame 3; a moving block 12 fixed to the other end of the push plate 11; the blocking block 13 is fixed on the outer side wall of the two plates 4 and is positioned on the movement track of the moving block 12; when the two plates 4 are in the first motion state, the push plate 11 drives the moving block 12 to move towards the direction approaching the blocking block 13, and when the moving block 12 abuts against the blocking block 13, the two plates 4 are switched to the second motion state.
The conventional pushing assembly 10 applied to the die casting mold is mostly like a separating piece in the chinese patent application (issued patent number: CN 115889726B), namely, by hinging a double-headed hook on the two plates 4, arranging a hanging table on the movable mold assembly 2, and arranging a pushing block on the fixed mold frame 3 to realize that after the two plates 4 are separated from the fixed mold frame 3 to a preset position, the two plates 4 are driven to be separated from the movable mold assembly 2, the structure needs higher dimensional precision between the double-headed hook, the hanging table and the pushing block, otherwise, the double-grooved hook cannot be reset to be clamped with the hanging table when the die casting mold is closed, thereby affecting the die casting production of the subsequent castings, and the high precision means that the manufacturing cost of the separating piece is high, so that the manufacturing cost of the whole die casting mold can be increased.
In order to solve the above problems, the push plate 11 with the moving block 12 is arranged on the fixed die frame 3, the blocking block 13 is arranged on the two plates 4, when the two plates 4 are in the first motion state, the blocking block 13 and the moving block 12 are gradually close, after the blocking block 13 is abutted against the moving block 12, the moving block 12 is blocked by the blocking block 13, the two plates 4 are switched from the first operation state to the second motion state, and the two plates 4 are separated from the movable die assembly 2, so that the casting is exposed, and the size precision is not required to be very high because the blocking block 13 and the moving block 12 are movably abutted, but the movable clamping joint in the prior art is not required to be manufactured, even if the sizes of the blocking block 13 and the moving block 12 deviate, the movable abutting joint between the moving block 12 and the blocking block 13 is not influenced, and the manufacturing cost of the blocking block 13 and the moving block 12 is reduced.
Further, a runner insert 14 is arranged at one end, facing the two plates 4, of the fixed die frame 3, a runner 19 is arranged on the runner insert 14, and the runner insert 14 is used for reducing manufacturing difficulty of the runner 19 and manufacturing cost of the die casting die.
Further, the driving piece 9 is an oil cylinder, the oil cylinder is fixedly arranged on the outer side wall of the fixed die frame 3, and an output shaft of the oil cylinder is connected to the two plates 4 and is used for realizing a first motion state of the two plates 4.
Further, the lateral wall of two boards 4 is provided with joint groove 15, and joint groove 15 internal thread is connected with joint piece 16, and the output shaft of hydro-cylinder is provided with T type piece 17, and in the joint groove 15 was placed to T type piece 17, joint piece 16 joint was in the tip of T type piece 17 and with the big end butt of T type piece 17, trapezoidal piece and joint piece 16 were used for realizing the connection between the output shaft of driving piece 9 and two boards 4.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the scope of the invention as defined in the accompanying claims.
Claims (9)
1. The utility model provides a die casting die with in-mould breaking stub bar function, includes cover half subassembly and movable mould subassembly, movable mould subassembly with the cover half subassembly activity is supported and is leaned on, the cover half subassembly with when movable mould subassembly laminating form the product die cavity between the cover half subassembly with movable mould subassembly, its characterized in that, the cover half subassembly has:
a fixed die frame, on which a main runner penetrating through the fixed die frame is arranged;
the fixed die frame and the movable die assembly are movably arranged between the fixed die frame and the movable die assembly, the fixed die frame and the movable die assembly are provided with a first movement state and a second movement state, the first movement state and the second movement state are synchronous to the movement of the movable die assembly, a plurality of sub-runners are formed between the fixed die frame and the two plates, the sub-runners are used for guiding a metal solution entering the main runners into the product cavity, and after the metal solution flows through the sub-runners, a stub bar is formed in the sub-runners;
the junction of each split runner and the product cavity is provided with an inverted structure which is fixed on the fixed die frame, the inverted structure extends outwards along the tail end of the split runner to form, and the extending direction of the inverted structure is perpendicular to the moving direction of the movable die assembly;
when the two plates are in the first motion state, the material head and a product molded in the product cavity are forced to be broken through the back-off structure, and the material head is exposed;
when the two plates are in the second motion state, the two plates are separated from the movable module and expose the product molded in the product cavity.
2. The die casting die with the in-die stretch breaking stub bar function according to claim 1, wherein an insert is arranged on one side of the fixed die frame, which faces the two plates, and a stock groove is arranged on one end of the insert, which faces the fixed die frame, and is used for forming the back-off structure.
3. The die casting die with in-die stretch breaking function according to claim 2, wherein the stock groove penetrates through the side wall of the insert so that the stock groove is communicated with the product cavity.
4. The die casting die with the in-die breaking stub bar function according to claim 1, wherein pressing blocks which are in one-to-one correspondence with the flow dividing channels are movably arranged on the two plates, and the pressing blocks are used for pressing on the stub bars in the flow dividing channels when the two plates are in the first motion state.
5. The die casting mold with the in-mold stretch breaking function according to claim 1, further comprising a driving member and a pushing assembly, wherein the driving member is arranged on the outer side wall of the fixed mold assembly and is used for driving the two plates to be separated from the fixed mold frame, and the pushing assembly is used for driving the two plates to be switched from the first motion state to the second motion state.
6. The die casting die with in-die stretch breaking stub bar function as recited in claim 5, wherein the pushing assembly comprises:
one end of the push plate is fixed on the fixed die frame;
a moving block fixed to the other end of the push plate;
the blocking block is fixed on the outer side walls of the two plates and is positioned on the motion track of the moving block;
when the two plates are in the first motion state, the push plate drives the moving block to move towards the direction close to the blocking block, and when the moving block abuts against the blocking block, the two plates are switched to the second motion state.
7. The die casting die with the function of in-die breaking a stub bar according to claim 2, wherein a runner insert is arranged on one end of the fixed die frame facing the two plates, and the split runner is arranged on the runner insert.
8. The die casting die with the function of in-die breaking a stub bar according to claim 5, wherein the driving part is an oil cylinder, the oil cylinder is fixedly arranged on the outer side wall of the fixed die frame, and an output shaft of the oil cylinder is connected to the two plates.
9. The die casting die with the function of in-die breaking a stub bar as claimed in claim 8, wherein the outer side walls of the two plates are provided with clamping grooves, clamping blocks are connected in the clamping grooves in a threaded manner, an output shaft of the oil cylinder is provided with T-shaped blocks, the T-shaped blocks are placed in the clamping grooves, and the clamping blocks are clamped at the small ends of the T-shaped blocks and abutted against the large ends of the T-shaped blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311484321.9A CN117206493B (en) | 2023-11-09 | 2023-11-09 | Die casting die with in-die stretch-breaking stub bar function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311484321.9A CN117206493B (en) | 2023-11-09 | 2023-11-09 | Die casting die with in-die stretch-breaking stub bar function |
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| Publication Number | Publication Date |
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| CN117206493A true CN117206493A (en) | 2023-12-12 |
| CN117206493B CN117206493B (en) | 2024-02-06 |
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| CN117206493B (en) | 2024-02-06 |
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