CN220280358U - Injection mold for simultaneous pouring - Google Patents
Injection mold for simultaneous pouring Download PDFInfo
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- CN220280358U CN220280358U CN202321865954.XU CN202321865954U CN220280358U CN 220280358 U CN220280358 U CN 220280358U CN 202321865954 U CN202321865954 U CN 202321865954U CN 220280358 U CN220280358 U CN 220280358U
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- 238000002347 injection Methods 0.000 title claims abstract description 34
- 239000007924 injection Substances 0.000 title claims abstract description 34
- 238000000465 moulding Methods 0.000 claims abstract description 65
- 238000005266 casting Methods 0.000 claims description 14
- 230000007704 transition Effects 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 13
- 238000001746 injection moulding Methods 0.000 description 7
- 238000013016 damping Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- 238000007493 shaping process Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of molds, and provides an injection mold for simultaneous pouring, which comprises: the fixed die assembly is provided with a plurality of inclined guide posts; the movable die assembly is movably arranged below the fixed die assembly, and after the fixed die assembly is attached to the movable die assembly, a first product cavity and a second product cavity with different shapes are formed between the fixed die assembly and the movable die assembly; the top of the ejector rod is provided with first molding blocks which are distributed in an annular mode, and a first product cavity is formed among the first molding blocks, the first mold core and the fixed mold assembly. Compared with the prior art, the utility model has the advantages that the first product cavity and the second product cavity with different shapes are formed on the fixed die assembly and the movable die assembly, so that two different workpieces can be poured at one time after die assembly, the two workpieces are molded by adopting the first molding block and the molding part respectively, the operation is simple, and the working efficiency is improved.
Description
Technical Field
The utility model belongs to the technical field of molds, and particularly relates to an injection mold for simultaneous pouring.
Background
With the rapid development of technology, products are gradually diversified, so that it is important to select an adaptive injection mold for processing unused products.
Most of the existing products are not integrally formed, two different workpieces are often required to be matched for use, in an injection mold, most of the existing products are manufactured by separated machining, namely, one of the workpieces is subjected to injection molding through one mold, the other workpiece is subjected to injection molding through the other mold, and finally the two workpieces formed by the two molds are assembled, so that operation by workers is not facilitated, meanwhile, the forming quality of the workpieces is not easy to control in separated manufacturing, and meanwhile, the overall production efficiency is also affected.
Disclosure of Invention
Aiming at the defects existing in the prior art, the technical problems to be solved by the utility model are as follows: the injection mold for simultaneously pouring is simple in operation, and improves the working efficiency.
The technical scheme adopted for solving the technical problems is that the utility model provides an injection mold for simultaneous pouring, which comprises: the fixed die assembly is provided with a plurality of inclined guide posts;
the movable die assembly is movably arranged below the fixed die assembly, and after the fixed die assembly is attached to the movable die assembly, a first product cavity and a second product cavity with different shapes are formed between the fixed die assembly and the movable die assembly;
the first mold core and the plurality of ejector rods are positioned on the movable mold assembly, first molding blocks which are distributed in an annular mode are arranged at the top of each ejector rod, and the first molding blocks, the first mold core and the fixed mold assembly form a first product cavity together;
the second mold core is located on the movable mold assembly and is located on one side of the first mold core, the forming part is used for extending into the second mold core, the second product cavity is formed by the aid of the forming part, the second mold core and the fixed mold assembly, and the inclined guide pillar is movably inserted into the forming part.
In the injection mold for simultaneous pouring, the bottom of each ejector rod is provided with the clamping block, the movable mold assembly comprises the fixed blocks which are arranged corresponding to the ejector rods, the guide grooves are formed in the fixed blocks, and the clamping blocks are movably clamped in the guide grooves.
In the injection mold for simultaneous pouring, the fixed mold core and the insert above the first mold core are arranged on the fixed mold assembly, the fixed mold core and the top of the insert are jointly formed with a locking groove, a locking block is detachably connected in the locking groove, and the locking block is used for limiting the insert to rotate relative to the fixed mold core.
In the above-described injection mold for simultaneous casting, each of the molding portions includes:
the moving block is movably arranged at the periphery of the second core, an inclined guide hole is formed in the moving block, and the inclined guide pillar is movably inserted into the inclined guide hole;
the second molding block is connected to the moving block and is used for extending into the second mold core, and the second product cavity is formed by the second molding block, the second mold core and the fixed mold assembly.
In the injection mold for simultaneous casting, a damping spring is further connected between the moving block and the second core.
In the injection mold for simultaneous pouring, a limiting groove is formed in one side, away from the second core, of the moving block, a limiting piece is arranged on the moving mold assembly, and the limiting groove is movably propped against the limiting piece.
In the injection mold for simultaneous pouring, positioning grooves which are arranged in an arc are distributed on the second mold core, arc transition surfaces are arranged at the end parts of the second molding blocks, and the arc transition surfaces are movably propped against the positioning grooves.
In the injection mold for simultaneous pouring, the fixed mold assembly is further provided with an inverted T-shaped gate, two ends of the T-shaped gate are connected with a plurality of material distributing runners, and the material distributing runners are used for guiding molten liquid into the first product cavity and the second product cavity.
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the injection mold for casting simultaneously, after the fixed mold component and the movable mold component are clamped, the first product cavity and the second product cavity with different shapes are formed, two different workpieces which are required to be assembled are formed by utilizing the two cavities, namely, the two workpieces can be molded and manufactured by casting at one time, so that the production efficiency is greatly improved, the modes for molding the two different workpieces are different, one of the injection mold adopts the first molding blocks which are annularly distributed on the ejector rod, the first molding blocks, the first mold core and the fixed mold component form the cavities of the required workpieces, after the workpieces are molded, the first molding blocks are driven by the ejector rod to move in the vertical direction, and the other one of the injection mold adopts the mode that the inclined guide posts are inserted into the molding part, namely, after the fixed mold component and the movable mold component are clamped, the molding part, the second mold core and the fixed mold component mold cavity are molded, and the required workpiece cavity are formed.
(2) And a damping spring is arranged between the moving block and the second core, so that when the inclined guide pillar is inserted into the inclined guide hole, the moving block drives the second molding block to slowly extend into the second core, a buffering effect on the second molding block during moving is achieved, and the end part of the second molding block is prevented from being damaged to influence the quality of the injection molded workpiece.
(3) The limiting groove on the moving block is movably propped against the limiting piece on the movable mold assembly, in the mold opening process, the inclined guide hole is inserted by the inclined guide pillar, so that the moving block drives the second molding block to be far away from the second mold core, the limiting piece is favorable for ensuring that the moving block can be always positioned at the same position in the mold opening process, and ensuring the stability of the second molding block when the second molding block is driven to extend into the second mold core when the mold is subsequently subjected to mold closing and injection molding.
Drawings
FIG. 1 is a structural view of a first product cavity and a second product cavity on a movable mold assembly;
FIG. 2 is a view of the mounting structure of the diagonal guide post and the stationary mold core on the stationary mold assembly;
FIG. 3 is a structural view of a T-gate and a split runner;
FIG. 4 is a view of the structure between the fixed block, the ejector pin and the first molding block;
fig. 5 is an exploded view between the second core and the moving mass and the second forming mass.
In the figure, 1, a fixed die assembly; 2. oblique guide posts; 3. a movable mold assembly; 4. a first product cavity; 5. a second product cavity; 6. a first core; 7. a push rod; 8. a first molding block; 9. a second core; 10. a molding part; 11. a T-gate; 12. a material distribution runner; 13. a clamping block; 14. a fixed block; 15. a guide groove; 16. a fixed mold core; 17. an insert; 18. a locking groove; 19. a locking block; 20. a moving block; 21. oblique guide holes; 22. a second molding block; 23. a damping spring; 24. a positioning groove; 25. a circular arc transition surface; 26. a limit groove; 27. and a limiting piece.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1 to 5, an injection mold for simultaneous casting according to the present utility model includes: the fixed die assembly 1 is provided with a plurality of inclined guide posts 2; the movable die assembly 3 is movably arranged below the fixed die assembly 1, and after the fixed die assembly 1 is attached to the movable die assembly 3, a first product cavity 4 and a second product cavity 5 with different shapes are formed between the fixed die assembly 1 and the movable die assembly 3; the first mold core 6 and a plurality of ejector rods 7 are positioned on the movable mold assembly 3, first molding blocks 8 which are distributed in an annular mode are arranged at the top of each ejector rod 7, and a first product cavity 4 is formed among the first molding blocks 8, the first mold core 6 and the fixed mold assembly 1; the second core 9 on the movable die assembly 3 and the movably arranged forming parts 10, the second core 9 is located at one side of the first core 6, the forming parts 10 are used for extending into the second core 9, the second product cavity 5 is formed by the forming parts 10, the second core 9 and the fixed die assembly 1 together, and the inclined guide posts 2 are movably inserted into the forming parts 10.
The method mainly solves the problem of low efficiency when two workpieces to be assembled are separately injection molded, specifically, a first product cavity 4 and a second product cavity 5 with different shapes are formed after a fixed die assembly 1 and a movable die assembly 3 are assembled, the two different product cavities are utilized to enable the die to be capable of molding two workpieces with different shapes and capable of being assembled after one-time injection molding, the production efficiency of the injection die is greatly improved, the components of the two different product cavities are different, one of the two product cavities is that a push rod 7 is arranged in the movable die assembly 3, a first molding block 8 which is annularly distributed is arranged at the end part of the push rod 7, so that the first molding block 8, a first core 6 and the fixed die assembly 1 form the required first product cavity 4, and after products in the first product cavity 4 are subjected to injection molding, the push rod 7 is utilized to push the first molding block 8, and demolding of the workpieces can be completed; and through the shaping portion 10 that a plurality of activity set up, when utilizing cover half subassembly 1 and movable mould subassembly 3 compound die action, the mode that oblique guide pillar 2 inserted in shaping portion 10 makes shaping portion 10 stretch into in the second core 9, by shaping portion 10, second core 9 and cover half subassembly 1 formation required second product die cavity 5, this injection mold overall structure is simple, the workman of being convenient for operates, for two different work pieces of two mould processing, the use of this mould on the material reduces to some extent, has guaranteed the quality of two work pieces shaping of waiting to assemble.
It should be noted that, the first product cavity 4 and the second product cavity 5 adopt different forming modes for different workpieces, and after two required workpieces are formed by casting at a time, the workpiece formed in the second product cavity 5 is also ejected and demolded directly along the vertical direction by the ejector rod 7 in the movable die assembly 3.
The fixed die assembly 1 is also provided with an inverted T-shaped pouring gate 11, two ends of the T-shaped pouring gate 11 are connected with a plurality of material distributing runners 12, and the material distributing runners 12 are used for guiding molten liquid into the first product cavity 4 and the second product cavity 5.
As shown in fig. 3, in this solution, by arranging the inverted T-shaped gate 11 in the fixed mold assembly 1, after the fixed mold assembly 1 and the movable mold assembly 3 are assembled, molten liquid flows in from the T-shaped gate 11, flows into the distribution runner 12 along two ends of the T-shaped gate 11, and finally flows into the first product cavity 4 and the second product cavity 5, and the distribution runner 12 is designed to ensure smoothness in the injection molding process.
The bottom of every ejector pin 7 all is provided with block 13, and movable mould subassembly 3 includes the fixed block 14 that corresponds the ejector pin 7 and set up, is provided with guide slot 15 in the fixed block 14, and block 13 activity joint is in guide slot 15.
The above description indicates that the first molding block 8 is directly arranged on the ejector rod 7, after the workpiece in the first product cavity 4 is injection molded, the ejector rod 7 can drive the first molding block 8 to move upwards along the vertical direction, and demolding of the workpiece is directly completed, as shown in fig. 4, the clamping block 13 at the bottom of the ejector rod 7 is movably clamped in the guide groove 15 on the fixed block 14, that is, the ejector rod 7 can displace along the direction of the guide groove 15, and finally the first molding block 8 can displace relative to the molded workpiece.
As shown in fig. 2 to 3, the fixed mold assembly 1 is provided with a fixed mold core 16 and an insert 17 above the first mold core 6, a locking groove 18 is formed on the top of the fixed mold core 16 and the top of the insert 17 together, and a locking block 19 is detachably connected in the locking groove 18, wherein the locking block 19 is used for limiting the insert 17 to rotate relative to the fixed mold core 16.
Further, the machining precision required for workpieces to be assembled is high, so that the locking groove 18 is formed between the fixed mold core 16 and the insert 17, the locking block 19 is detachably connected in the locking groove 18, displacement between the insert 17 and the fixed mold core 16 is effectively prevented, the phenomenon that the insert 17 rotates relative to the fixed mold core 16 to affect the quality of the molded workpieces is avoided, the locking block 19 is detachably designed because the fixed mold assembly 1 and the movable mold assembly 3 repeatedly open and close the mold, the influence on the quality of the insert 17 is large, the insert 17 is quite important for the quality after molding, the insert needs to be replaced after long-term use, and the detachable locking block 19 is convenient for workers to detach and replace, so that the working efficiency is improved, and the quality of the molded workpieces is also ensured.
As shown in fig. 5, each molding portion 10 includes: the moving block 20 is movably arranged at the periphery of the second core 9, an inclined guide hole 21 is arranged on the moving block 20, and the inclined guide post 2 is movably inserted into the inclined guide hole 21; and a second molding block 22 connected to the moving block 20, wherein the second molding block 22 is used for extending into the second core 9, and the second molding block 22, the second core 9 and the fixed mold assembly 1 are used for jointly forming the second product cavity 5.
In this scheme, the movable block 20 and the second molding block 22 distributed in a cross shape are adopted, when the fixed mold assembly 1 and the movable mold assembly 3 perform mold closing, the inclined guide posts 2 are inserted into the inclined guide holes 21 of the movable block 20, and then a plurality of second molding blocks 22 simultaneously extend into the second mold core 9 by pushing the movable block 20, finally, the second molding blocks 22, the second mold core 9 and the fixed mold assembly 1 are utilized to form the required second product cavity 5, the inclined guide holes 21 are inserted into the inclined guide posts 2, the second molding blocks 22 distributed in the cross shape are also beneficial to simultaneously extend into the second mold core 9, so that the position interference or collision of each second molding block 22 in the moving process is avoided to influence the quality of the molded workpiece, and similarly, in the mold opening process of the fixed mold assembly 1 and the movable mold assembly 3, the second molding blocks 22 can be simultaneously separated from the second mold core 9, and the stability of the subsequent mold during mold closing is ensured.
A damping spring 23 is also connected between the moving block 20 and the second core 9.
The quality of the second molding block 22 also affects the quality of the workpiece molded in the second product cavity 5, so that a damping spring 23 is connected between the moving block 20 and the second core 9, and when the inclined guide post 2 is inserted into the inclined guide hole 21 of the moving block 20, the damping spring 23 can provide a certain buffering effect for the moving block 20 in the process that the moving block 20 pushes the second molding block 22 to extend into the second core 9, thereby ensuring that the second molding block 22 keeps stability in the process of extending into the second core 9, avoiding the phenomenon that the second molding block 22 is damaged in the process of abutting against the second core 9 due to the too high moving speed, and ensuring that the quality of the workpiece molded by the injection mold is not affected.
The second core 9 is provided with positioning grooves 24 which are arranged in an arc manner, the end part of the second molding block 22 is provided with an arc transition surface 25, and the arc transition surface 25 is movably abutted in the positioning grooves 24.
In order to further improve the stability of the second molding blocks 22, the positioning grooves 24 are distributed on the second mold core 9 in an arc shape, each second molding block 22 is provided with an arc transition surface 25, the arc transition surfaces 25 effectively avoid the phenomenon that the end parts of the second molding blocks 22 are damaged due to collision, in the process that the second molding blocks 22 extend into the second mold core 9, the arc transition surfaces 25 on the second molding blocks 22 are abutted against the positioning grooves 24 on the second mold core 9, and the positioning grooves 24 ensure that the second molding blocks 22 accurately move to the required positions.
A limiting groove 26 is formed in one side, away from the second core 9, of the moving block 20, a limiting piece 27 is arranged on the moving die assembly 3, and the limiting groove 26 is movably abutted against the limiting piece 27.
In the mold opening and closing process of the fixed mold assembly 1 and the movable mold assembly 3, the moving distance of the second molding block 22 determines the quality of a workpiece after the completion of pouring each time, so in the mold opening process, the inclined guide post 2 on the fixed mold assembly 1 pushes the moving block 20 to move away along the direction of the second mold core 9 in the disengaging process, in order to ensure that the second molding block 22 is disengaged to a required position, so as to accurately lean against the limiting groove 26 of the second mold core 9 after the next mold closing, and ensure that the moving block 20 moves to a required position, thereby being convenient for the inclined guide post 2 on the fixed mold assembly 1 and the movable mold assembly 3 to accurately insert into the inclined guide hole 21 on the moving block 20 in the mold closing process of the next time, and the maximum distance that the moving block 20 can move along the direction away from the second mold core 9 is limited by utilizing the limiting groove 26 to move against the limiting groove 26, so that the stability of the injection mold in the injection molding process is ensured.
It should be noted that the limiting member 27 may be any other limiting device such as a bolt, a screw, etc.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model 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 utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, 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 utility model 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 utility model 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 utility model.
Claims (8)
1. An injection mold for simultaneous casting, comprising:
the fixed die assembly is provided with a plurality of inclined guide posts;
the movable die assembly is movably arranged below the fixed die assembly, and after the fixed die assembly is attached to the movable die assembly, a first product cavity and a second product cavity with different shapes are formed between the fixed die assembly and the movable die assembly;
the first mold core and the plurality of ejector rods are positioned on the movable mold assembly, first molding blocks which are distributed in an annular mode are arranged at the top of each ejector rod, and the first molding blocks, the first mold core and the fixed mold assembly form a first product cavity together;
the second mold core is located on the movable mold assembly and is located on one side of the first mold core, the forming part is used for extending into the second mold core, the second product cavity is formed by the aid of the forming part, the second mold core and the fixed mold assembly, and the inclined guide pillar is movably inserted into the forming part.
2. The injection mold for simultaneous casting according to claim 1, wherein each ejector rod is provided with a clamping block at the bottom, the movable mold assembly comprises a fixed block corresponding to the ejector rod, a guide groove is formed in the fixed block, and the clamping blocks are movably clamped in the guide grooves.
3. The injection mold for simultaneous casting according to claim 1, wherein the fixed mold assembly is provided with a fixed mold core and an insert above the first core, the fixed mold core and the top of the insert are formed with locking grooves together, and locking blocks are detachably connected in the locking grooves and used for limiting rotation of the insert relative to the fixed mold core.
4. An injection mold for simultaneous casting according to claim 1, wherein each of the molding portions comprises:
the moving block is movably arranged at the periphery of the second core, an inclined guide hole is formed in the moving block, and the inclined guide pillar is movably inserted into the inclined guide hole;
the second molding block is connected to the moving block and is used for extending into the second mold core, and the second product cavity is formed by the second molding block, the second mold core and the fixed mold assembly.
5. An injection mold for simultaneous casting according to claim 4, wherein a damper spring is further connected between the moving block and the second core.
6. The injection mold for simultaneous casting according to claim 4, wherein a limiting groove is formed in a side of the moving block away from the second core, a limiting member is arranged on the moving mold assembly, and the limiting groove is movably abutted against the limiting member.
7. The injection mold for simultaneous casting according to claim 4, wherein positioning grooves arranged in an arc shape are distributed on the second mold core, and an arc transition surface is arranged at the end part of the second molding block and movably abuts against the positioning grooves.
8. The injection mold for simultaneous casting according to claim 1, wherein the fixed mold assembly is further provided with an inverted T-shaped gate, two ends of the T-shaped gate are connected with a plurality of material distributing runners, and the material distributing runners are used for guiding molten liquid into the first product cavity and the second product cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865954.XU CN220280358U (en) | 2023-07-17 | 2023-07-17 | Injection mold for simultaneous pouring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865954.XU CN220280358U (en) | 2023-07-17 | 2023-07-17 | Injection mold for simultaneous pouring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220280358U true CN220280358U (en) | 2024-01-02 |
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ID=89327143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321865954.XU Active CN220280358U (en) | 2023-07-17 | 2023-07-17 | Injection mold for simultaneous pouring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220280358U (en) |
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2023
- 2023-07-17 CN CN202321865954.XU patent/CN220280358U/en active Active
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