CN219768993U - Inner core-pulling structure of injection mold - Google Patents
Inner core-pulling structure of injection mold Download PDFInfo
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- CN219768993U CN219768993U CN202321235941.4U CN202321235941U CN219768993U CN 219768993 U CN219768993 U CN 219768993U CN 202321235941 U CN202321235941 U CN 202321235941U CN 219768993 U CN219768993 U CN 219768993U
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000013461 design Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 229920003023 plastic Polymers 0.000 description 9
- 239000004033 plastic Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of injection molds, in particular to an inner core pulling structure of an injection mold. The utility model comprises a rear die and a front die oblique guide block, wherein the top of the rear die is provided with the front die oblique guide block, the top of the front die oblique guide block is fixedly provided with the front die, a product component is placed on the inner side of the rear die, a demoulding mechanism is arranged between the rear die and the front die oblique guide block and is used for demoulding the product component, the demoulding mechanism comprises a rear die insert, a rear die sliding block, a bulge, an inclined surface groove, a matching groove, a limiting strip and a groove, and a surface groove is formed in the top of the rear die and at a position corresponding to the front die oblique guide block. According to the utility model, through the structural design of the demolding mechanism, the device is convenient for quickly demolding the product component, the working efficiency is accelerated, the high efficiency of the device is improved, and through the structural design of the reset mechanism, the device is convenient for quickly resetting the rear mold slide block after demolding the product component, and the device is beneficial to use.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an inner core pulling structure of an injection mold.
Background
The injection mold is a tool for producing plastic products, and is also a tool for endowing the plastic products with complete structures and accurate dimensions, the injection molding is a processing method used when producing parts with complex shapes in batches, specifically, heated and melted plastics are injected into a mold cavity at high pressure by an injection molding machine, and after cooling and solidification, a formed product is obtained, and an inner core-pulling structure is a structure commonly used for the injection mold;
when the plastic lamp panel is injection molded, the edge of the plastic lamp panel is buckled by the cooperation of the protruding edges and the grooves, the mold generally limits the plastic lamp panel through the grooves, and the plastic lamp panel can be smoothly demolded only by releasing the limitation of the grooves during demolding, but the demolding process of the plastic lamp panel in the prior art is complicated and is not simple enough, so that the inner core pulling structure of the injection mold is provided.
Disclosure of Invention
The utility model aims to provide an inner core pulling structure of an injection mold, which aims to solve the problems in the background technology.
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides an interior loose core structure of injection mold, includes back mould and front mould oblique guide block, the top of back mould is equipped with front mould oblique guide block, the top of front mould oblique guide block is fixed with the front mould, the product component has been placed to the inboard of back mould, be equipped with demoulding mechanism between back mould and the front mould oblique guide block, demoulding mechanism is used for carrying out the drawing of patterns to the product component, demoulding mechanism includes back mould mold insert, back mould slider, arch, inclined plane groove, cooperation groove, spacing and recess, the face groove has been seted up at the top of back mould and the position that corresponds with the front mould oblique guide block, the inboard of back mould and the position that is close to the face groove are fixed with back mould mold insert, the inboard sliding connection in back mould face groove has back mould slider, the inclined plane groove that corresponds with protruding position is seted up at the top of back mould slider, inclined plane groove and protruding sliding connection, the position that deviates from the inclined plane groove has seted up cooperation groove, the cooperation groove has the inside of back mould slider and the product component has the bottom of the cooperation groove, the bottom of the top of back mould slider and the product is fixed with the bottom of the clearance groove, one side of the top of the clearance fit groove has one side of the product.
Preferably, the demoulding mechanism further comprises side plates and anti-falling strips, the side plates are fixed at the two ends of the inner side of the face groove, the side plates are in sliding connection with the rear mould sliding block, the anti-falling strips are uniformly fixed at the two ends of the rear mould sliding block, and the anti-falling strips are in sliding connection with the side plates.
Preferably, a vertical surface is arranged on one side of the inside of the matching groove, a certain gap exists between the vertical surface and the product component, an inclined surface is arranged on the other side of the inside of the matching groove and positioned below the limiting strip, and the inclined surface is in fit contact with the product component.
Preferably, the inclination angles of the two sides of the bulge are the same as the inclination angles of the two sides of the inner part of the inclined plane groove.
Preferably, a central positioning block is fixed on one side of the surface groove, the central positioning block is in fit contact with the rear mold sliding block, a reset mechanism is arranged between the central positioning block and the rear mold sliding block, and the reset mechanism is used for resetting the rear mold sliding block after demolding.
Preferably, the reset mechanism comprises a fixed cylinder, a connecting spring, a disc, a connecting column and a fixed disc, wherein two fixed cylinders are fixed on the inner side of the central positioning block, the connecting spring is fixed on one end of the inner side of the fixed cylinder, the disc is fixed on one end of the connecting spring, the disc is in sliding connection with the fixed cylinder, the connecting column is fixed on one side of the disc, the fixed disc is fixedly connected on the outer side of the connecting column in a sliding manner, the fixed disc is fixed on the inner side of the fixed cylinder, and one end, far away from the disc, of the connecting column is fixed with a rear mold sliding block.
It can be clearly seen that the technical problems to be solved by the present utility model can be necessarily solved by the above-mentioned technical solutions of the present utility model.
Meanwhile, through the technical scheme, the utility model has at least the following beneficial effects:
1. according to the utility model, through the structural design of the demoulding mechanism, the device is convenient for rapidly demoulding the product component, the working efficiency is accelerated, and the high efficiency of the device is improved.
2. According to the utility model, through the structural design of the reset mechanism, the device is convenient for quickly resetting the rear mould slide block after the product component is demoulded, and is beneficial to use.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the present utility model in a cut-away configuration;
FIG. 3 is a schematic view of the connection structure of the protrusion and the inclined surface groove of the present utility model;
FIG. 4 is an enlarged schematic view of the structure of FIG. 2A according to the present utility model;
FIG. 5 is a schematic view of the connection structure of the back mold slide and the anti-drop bar of the present utility model;
FIG. 6 is a schematic view of the connection structure of the rear mold and the center positioning block of the present utility model;
FIG. 7 is a schematic view of the connection structure of the center positioning block and the fixed cylinder of the present utility model;
fig. 8 is a schematic view showing a sectional structure of the fixing barrel of the present utility model.
In the drawings, the list of components represented by the various numbers is as follows:
in the figure: 1. a rear mold; 2. a front die oblique guide block; 3. a product component; 4. a rear mold insert; 5. a rear mold slide; 6. a protrusion; 7. an inclined surface groove; 8. a mating groove; 9. a limit bar; 10. a groove; 11. a side plate; 12. an anti-falling bar; 13. a center positioning block; 14. a fixed cylinder; 15. a connecting spring; 16. a disc; 17. a connecting column; 18. a fixed disk.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Example 1
Referring to fig. 1 to 5, an inner core pulling structure of an injection mold, comprising a rear mold 1 and a front mold oblique guide block 2, wherein the top of the rear mold 1 is provided with the front mold oblique guide block 2, the top of the front mold oblique guide block 2 is fixedly provided with the front mold, a product member 3 is placed on the inner side of the rear mold 1, a demolding mechanism is assembled between the rear mold 1 and the front mold oblique guide block 2, the demolding mechanism is used for demolding the product member 3, the demolding mechanism comprises a rear mold insert 4, a rear mold slide block 5, a bulge 6, an inclined surface groove 7, a matching groove 8, a limiting strip 9 and a groove 10, a surface groove is formed in the top of the rear mold 1 and at a position corresponding to the front mold oblique guide block 2, a rear mold insert 4 is fixedly arranged at the position of the inner side of the rear mold 1 and close to the surface groove, a rear mold slide block 5 is slidingly connected with the rear mold insert 4, a bulge 6 is integrally fixedly arranged at the bottom of the front mold oblique guide block 2, a groove 7 corresponding to the bulge 6 is formed at the top of the rear mold slide block 5, an inclined surface groove 7 is in the position corresponding to the bulge 6, a groove 9 is formed in the bottom of the rear mold slide block 5 and is in the bottom part 8 corresponding to the groove 8, a groove 8 is in the position of the rear mold slide block 7 is in contact with the inner side of the product member 3, and is in contact with the groove 8 is in the bottom groove 8, and the bottom of the product groove 8 is in contact with the groove 8 is in the groove 3, and the groove 9 is in contact with the groove 3;
the demolding mechanism further comprises side plates 11 and anti-falling strips 12, the side plates 11 are fixed at the two ends of the inner side of the face groove, the side plates 11 are in sliding connection with the rear mold sliding blocks 5, the anti-falling strips 12 are uniformly fixed at the two ends of the rear mold sliding blocks 5, the anti-falling strips 12 are in sliding connection with the side plates 11, limiting movement can be formed on the rear mold sliding blocks 5 through the arrangement of the side plates 11, and the rear mold sliding blocks 5 are prevented from being pulled up when the front mold oblique guide blocks 2 move upwards;
a vertical surface is formed on one side of the inside of the matching groove 8, a certain gap exists between the vertical surface and the product component 3, an inclined surface is formed on the other side of the inside of the matching groove 8 and positioned below the limiting strip 9, the inclined surface is in fit contact with the product component 3, the limiting strip 9 is positioned right above the groove 10, vertical limiting of the groove 10 is formed, and further limiting can be formed on the product component 3;
the inclination angles of the two sides of the bulge 6 are the same as those of the two sides of the inner part of the inclined plane groove 7, and the bulge 6 and the inclined plane groove 7 are arranged so as to push the rear die slide block 5 to horizontally move when the front die inclined guide block 2 moves upwards.
Example 2
For further optimization of embodiment 1, specifically, as shown in fig. 6-8, a center positioning block 13 is fixed on one side of the surface groove, the center positioning block 13 is in contact with the rear mold slide 5, a reset mechanism is arranged between the center positioning block 13 and the rear mold slide 5, and the reset mechanism is used for resetting the rear mold slide 5 after demolding;
the reset mechanism comprises a fixed cylinder 14, a connecting spring 15, a disc 16, a connecting column 17 and a fixed disc 18, wherein two fixed cylinders 14 are fixed on the inner side of a central positioning block 13, the connecting spring 15 is fixed on one end of the inner side of the fixed cylinder 14, the disc 16 is fixed on one end of the connecting spring 15, the disc 16 is in sliding connection with the fixed cylinder 14, the connecting column 17 is fixed on one side of the disc 16, the fixed disc 18 is fixedly connected on the outer side of the connecting column 17 in a sliding manner, the fixed disc 18 is fixed on the inner side of the fixed cylinder 14, one end, far away from the disc 16, of the connecting column 17 is fixed with a rear mold slide block 5, and when the rear mold slide block 5 moves, the disc 16 is pulled along the inner side of the fixed cylinder 14 through the connecting column 17, so that the connecting spring 15 is stretched, and the rear mold slide block 5 is convenient to reset.
From the above, it can be seen that:
the utility model aims at the technical problems that: in the prior art, the demolding process of the plastic lamp panel is complicated and not simple enough; the technical scheme of each embodiment is adopted. Meanwhile, the implementation process of the technical scheme is as follows:
when the product component 3 needs to be demolded, the front die inclined guide block 2 moves upwards, under the cooperation of the bulge 6 and the inclined surface groove 7, the front die inclined guide block 2 pushes the rear die slide block 5 to move rightwards through the bulge 6, the rear die slide block 5 pulls the connecting column 17 and the disc 16, the connecting spring 15 is stretched, and meanwhile, the gap between the vertical surface in the cooperation groove 8 and the product component 3 is gradually reduced until the vertical surface is in contact with the product component 3, at the moment, the limiting strip 9 does not vertically limit the groove 10 any more, and finally the product component 3 is taken out, so that the demolding can be completed;
after demolding, the disc 16 and the connecting column 17 are pulled by the pulling force generated by the connecting spring 15, so that the rear mold slide block 5 moves towards the direction close to the center positioning block 13 until the rear mold slide block 5 contacts with the center positioning block 13 in a fitting manner to complete resetting.
Through the arrangement, the utility model can solve the technical problems, and simultaneously realize the following technical effects:
1. according to the utility model, through the structural design of the demoulding mechanism, the device is convenient for rapidly demoulding the product component 3, so that the working efficiency is accelerated, and the high efficiency of the device is improved.
2. According to the utility model, through the structural design of the reset mechanism, the device is convenient for quickly resetting the rear mould slide block 5 after the product component 3 is demoulded, and is beneficial to use.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; 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.
It is apparent that the above-described embodiments are only some embodiments of the present utility model, but not all embodiments, and the preferred embodiments of the present utility model are shown in the drawings, which do not limit the scope of the patent claims. This utility model may be embodied in many different forms, but rather, embodiments are provided in order to provide a thorough and complete understanding of the present disclosure. Although the utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing description, or equivalents may be substituted for elements thereof. All equivalent structures made by the content of the specification and the drawings of the utility model are directly or indirectly applied to other related technical fields, and are also within the scope of the utility model.
Claims (6)
1. The utility model provides an interior loose core structure of injection mold, its characterized in that includes back mould (1) and preceding mould oblique guide block (2), the top of back mould (1) is equipped with preceding mould oblique guide block (2), the top of preceding mould oblique guide block (2) is fixed with the front mould, product component (3) are placed to the inboard of back mould (1), be equipped with demoulding mechanism between back mould (1) and the preceding mould oblique guide block (2), demoulding mechanism is used for carrying out the drawing of patterns to product component (3), demoulding mechanism includes back mould mold insert (4), back mould slider (5), arch (6), inclined plane groove (7), cooperation groove (8), spacing (9) and recess (10), the top of back mould (1) and the position that corresponds with preceding mould oblique guide block (2) have been seted up the face groove, the inboard of back mould (1) and the position that is close to the face groove is fixed with back mould insert (4), the inboard sliding connection of back mould (1) face groove has back mould slider (5), back mould slider (5) and protruding (6) are connected with inclined plane (7) of back mould insert (6), the inclined plane (6) are connected with protruding (6) inclined plane (7), the utility model discloses a rear mould slider (5) is equipped with cooperation groove (8) in the top and the position that deviates from inclined plane groove (7), cooperation groove (8) and product component (3) clearance fit, the bottom of product component (3) is laminated with the inboard bottom of cooperation groove (8) and is contacted, one side of cooperation groove (8) inside is fixed with spacing (9), recess (10) that correspond with spacing (9) position are offered to one side at product component (3) top.
2. The inner core pulling structure of an injection mold according to claim 1, wherein the demolding mechanism further comprises side plates (11) and anti-falling strips (12), the side plates (11) are fixed at two ends of the inner side of the face groove, the side plates (11) are in sliding connection with the rear mold sliding block (5), the anti-falling strips (12) are uniformly fixed at two ends of the rear mold sliding block (5), and the anti-falling strips (12) are in sliding connection with the side plates (11).
3. The inner core pulling structure of the injection mold according to claim 1, wherein a vertical surface is formed on one side of the inside of the matching groove (8), a certain gap exists between the vertical surface and the product component (3), an inclined surface is formed on the other side of the inside of the matching groove (8) and positioned below the limit strip (9), and the inclined surface is in fit contact with the product component (3).
4. The inner core pulling structure of the injection mold according to claim 1, wherein the inclination angles of both sides of the protrusion (6) are the same as the inclination angles of both sides of the inside of the inclined surface groove (7).
5. The inner core pulling structure of the injection mold according to claim 1, wherein a center positioning block (13) is fixed on one side of the surface groove, the center positioning block (13) is in contact with the rear mold sliding block (5), a reset mechanism is arranged between the center positioning block (13) and the rear mold sliding block (5), and the reset mechanism is used for resetting the rear mold sliding block (5) after demolding.
6. The inner core pulling structure of an injection mold according to claim 5, wherein the reset mechanism comprises a fixed cylinder (14), a connecting spring (15), a disc (16), a connecting column (17) and a fixed disc (18), two fixed cylinders (14) are fixed on the inner side of the center positioning block (13), the connecting spring (15) is fixed on one end of the inner side of the fixed cylinder (14), the disc (16) is fixed on one end of the connecting spring (15), the disc (16) is in sliding connection with the fixed cylinder (14), a connecting column (17) is fixed on one side of the disc (16), the fixed disc (18) is connected on the outer side of the connecting column (17) in a sliding manner, the fixed disc (18) is fixed on the inner side of the fixed cylinder (14), and one end, far away from the disc (16), of the connecting column (17) is fixed with a rear mold sliding block (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321235941.4U CN219768993U (en) | 2023-05-22 | 2023-05-22 | Inner core-pulling structure of injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321235941.4U CN219768993U (en) | 2023-05-22 | 2023-05-22 | Inner core-pulling structure of injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219768993U true CN219768993U (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321235941.4U Active CN219768993U (en) | 2023-05-22 | 2023-05-22 | Inner core-pulling structure of injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219768993U (en) |
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- 2023-05-22 CN CN202321235941.4U patent/CN219768993U/en active Active
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