CN215512137U - Slider back-off drawing of patterns mould - Google Patents
Slider back-off drawing of patterns mould Download PDFInfo
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- CN215512137U CN215512137U CN202122407739.2U CN202122407739U CN215512137U CN 215512137 U CN215512137 U CN 215512137U CN 202122407739 U CN202122407739 U CN 202122407739U CN 215512137 U CN215512137 U CN 215512137U
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Abstract
The application provides a slider back-off demoulding mould, which solves the technical problem of high back-off demoulding rejection rate of the existing injection mould; the injection molding die cavity is provided with a longitudinal elastic block which is arranged in a guide through hole of the sliding block in a sliding manner, and the bottom of the sliding block is connected with the movable die part in a sliding manner; the slide block is provided with an inclined through hole, an inclined guide pillar penetrates through the through hole, and the upper end of the inclined guide pillar extends out of the through hole to be connected with the fixed die part; the upper end surface of the slide block is contacted with the inner wall of the fixed mold part. The application is widely applied to the technical field of injection molds.
Description
Technical Field
The application relates to an injection mold, more specifically relates to a slider back-off drawing of patterns mould.
Background
The injection molding has the advantages of high production speed, high efficiency, automation realization of operation and suitability for the fields of mass production, complex-shaped products and other molding processing. When the product has an inverted structure, the inverted structure means that the product has a structural part of a 'reverse cladding' mould, so that the product cannot be directly and smoothly demoulded in one direction. If the reverse buckle is directly and forcibly taken off, the conditions such as breaking and the like are easy to occur, so that the product is damaged, and the rejection rate is high.
Disclosure of Invention
In order to solve the above problems, the technical scheme adopted by the application is as follows: the slide block back-off demoulding mould comprises a fixed mould part, a movable mould part and an injection mould cavity formed between the fixed mould part and the movable mould part, wherein the injection mould cavity is provided with a longitudinal elastic block which is arranged in a guide through hole of a slide block in a sliding manner, and the bottom of the slide block is connected with the movable mould part in a sliding manner; the slide block is provided with an inclined through hole, an inclined guide pillar penetrates through the through hole, and the upper end of the inclined guide pillar extends out of the through hole to be connected with the fixed die part; the upper end surface of the slide block is contacted with the inner wall of the fixed mold part.
Preferably, the vertical elastic block comprises an insertion block part and an elastic block part connected with one side of the insertion block part, the lower end of the elastic block part is connected with a spring, and the distance between the upper end face of the elastic block part and the upper end face of the insertion block part is larger than or equal to the back-off depth.
Preferably, the slider is internally provided with a plane structure used for contacting with the bottom of the spring, and the spring is in a compressed state when the upper end face of the inserting block part is level with the guide through hole.
Preferably, the two sides of the sliding block are provided with limit lugs, and the movable mould part is provided with a limit slideway corresponding to the limit lugs.
Preferably, the limiting slide way comprises a transverse slide way and a longitudinal slide way, and a slide way space is enclosed by the transverse slide way, the longitudinal slide way and the movable mould part.
Preferably, the fixed die part comprises an upper fixing plate, a shifting plate and a front die plate which are arranged from top to bottom, the movable die part comprises a rear die plate, the shifting plate is connected with the upper end of a pull rod, the lower end of the pull rod penetrates through the front die plate and the rear die plate, and the lower end of the pull rod is connected with a pull head which protrudes in the radial direction; the rear template is provided with a through hole for allowing the pull head to pass through, and the front template is provided with a through hole for only allowing the pull rod to pass through.
The utility model has the advantages of simple and reasonable structure and capability of avoiding product damage caused by directly and forcibly taking off the reverse buckle. The die comprises a fixed die part, a sliding block, a fixed die part and a sliding block, wherein the fixed die part is provided with a fixed die part and a fixed die part; the upper end surface of the slide block is contacted with the inner wall of the fixed mold part. When the mold is opened, the movable mold part is separated from the fixed mold part, the slide block moves along with the movable mold part, the oblique guide pillar is not moved, at the moment, the upper end surface of the slide block is separated from the inner wall of the fixed mold part, the upper opening of the guide through hole is not shielded, and the longitudinal elastic block pops out of the guide through hole, namely, is separated from the inverted groove. The slider continues to move along with the movable mould part, and slides to the outside under the effect of oblique guide pillar simultaneously, takes vertical bullet piece to leave the product, makes things convenient for the subsequent ejecting drawing of patterns of product. The vertical bullet piece includes inserted block portion, bullet piece portion, and bullet piece portion lower extreme is connected with the spring, and the distance between the up end of bullet piece portion and the up end of inserted block portion is more than or equal to the back-off degree of depth. When the die is closed, the upper end surface of the sliding block is in contact with the inner wall of the fixed die part, namely the upper opening of the guide through hole is shielded, the upper end surface of the insertion block part is flush with the upper opening of the guide through hole, and the spring at the lower end of the elastic block part is in a compressed state. When the mould plastics accomplish the die sinking, the up end of slider leaves cover half inner wall, and the opening does not shelter from on the direction through-hole, and under the effect of spring restoring force, bullet piece portion drives insertion block portion rebound for vertical bullet piece breaks away from the back-off recess.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic top view of the structure of FIG. 1;
FIG. 3 is a schematic sectional view A-A of FIG. 2;
FIG. 4 is a schematic view of the connection between the inner slide and the inclined guide post according to the present invention;
FIG. 5 is a schematic structural view of a longitudinal spring block inside a slider according to the present invention;
FIG. 6 is a schematic view of the structure of FIG. 4 from another perspective;
fig. 7 is an enlarged schematic view of a portion a of fig. 5.
The symbols in the drawings illustrate that:
1. a stationary mold part; 2. a movable mold part; 3. a longitudinal spring block; 4. a slider; 5. an inclined guide post; 6. a block insertion part; 7. a spring block; 8. a spring; 9. reversing; 10. a transverse slideway; 11. a longitudinal slideway; 12. a limiting bump; 13. an upper fixing plate; 14. a kick-out plate; 15. a front template; 16. a rear template; 17. a pull rod; 18. a slider; 19. and a lower fixing plate.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
It should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
The mold for releasing the slider 4 from the mold 9 provided in the embodiment of the present application will now be described.
Please refer to fig. 1, fig. 4, and fig. 5, which are schematic structural views of the mold for demolding the slider 4 by reversing 9. The slider 4 back-off 9 demoulding mould comprises a fixed mould part 1, a movable mould part 2 and an injection mould cavity formed between the fixed mould part 1 and the movable mould part 2, wherein the injection mould cavity is provided with a longitudinal elastic block 3, the longitudinal elastic block 3 is arranged in a guide through hole of the slider 4 in a sliding manner, the bottom of the slider 4 is connected with the movable mould part 2 in a sliding manner, the slider 4 is provided with an inclined through hole, an inclined guide pillar 5 penetrates through the through hole, and the upper end of the inclined guide pillar 5 extends out of the through hole to be connected with the fixed mould part 1; the upper end surface of the slide block 4 is contacted with the inner wall of the fixed mold part 1. During the die sinking, movable mould part 2 and cover half part 1 separation, slider 4 moves along with movable mould part 2, and oblique guide pillar 5 does not move, and at this moment, the up end of slider 4 and the separation of cover half part 1 inner wall, the guide through-hole upper opening do not shelter from, and vertical bullet piece 3 pops out the guide through-hole, breaks away from back-off 9 recesses promptly. The sliding block 4 continues to move along with the movable mould part 2, and simultaneously slides outwards under the action of the inclined guide post 5, so that the longitudinal elastic block 3 is driven to leave the product, and the subsequent ejection and demoulding of the product are facilitated.
Further, please refer to fig. 7, which is a schematic structural diagram of the longitudinal elastic block 3. In this embodiment, the longitudinal spring block 3 includes an insertion block portion 6 and a spring block portion 7 connected to one side of the insertion block portion 6, a spring 8 is connected to a lower end of the spring block portion 7, and a distance between an upper end surface of the spring block portion 7 and an upper end surface of the insertion block portion 6 is greater than or equal to a depth of the undercut 9. When the mould is closed, the upper end surface of the sliding block 4 is in contact with the inner wall of the fixed mould part 1, namely, the upper opening of the guide through hole is shielded, the upper end surface of the inserting block part 6 is flush with the upper opening of the guide through hole, and the spring 8 at the lower end of the elastic block part 7 is in a compressed state. When the mould plastics accomplish the die sinking, the up end of slider 4 leaves cover half 1 inner wall, and the opening does not shelter from on the guiding through-hole, and under the effect of spring 8 restoring force, bullet piece portion 7 drives 6 rebound of inserted block portion for vertical bullet piece 3 breaks away from 9 recesses of back-off.
Furthermore, a plane structure used for contacting the bottom of the spring 8 is arranged inside the sliding block 4, and the spring 8 is in a compressed state when the upper end face of the inserting block part 6 is flush with the guide through hole.
In order to prevent the longitudinal spring block 3 from disengaging from the slide 4, further, the guide through-hole can only allow the insertion block portion 6 to pass through.
Referring to fig. 6, two sides of the sliding block 4 are provided with limit bumps 12, and the movable mold part 2 is provided with corresponding limit slideways.
Furthermore, the limiting slide way comprises a transverse slide way 10 and a longitudinal slide way 11, and a slide way space is enclosed by the transverse slide way 10, the longitudinal slide way 11 and the movable mould part 2. The limit bump 12 is placed in the slide space, so that the slider 4 slides along the limit slide. When the mould is opened, the movable mould part 2 moves, and the transverse slide way 10 pulls the limiting lug 12 to move, so that the slide block 4 is driven to follow.
Further, please refer to fig. 2 and fig. 3, which are a top view and a sectional view a-a of the mold for demolding the slider 4 from the undercut 9. In the present embodiment, the fixed mold part 1 includes an upper fixing plate 13, a material-shifting plate 14 and a front mold plate 15 arranged from top to bottom, the movable mold part 2 includes a rear mold plate 16 and a lower fixing plate 19, the material-shifting plate 14 is connected with the upper end of a pull rod 17, the lower end of the pull rod 17 passes through the front mold plate 15 and the rear mold plate 16, the lower end of the pull rod 17 is connected with a radially protruding slider 18, the rear mold plate 16 is provided with a through hole for allowing the slider 18 to pass through, and the front mold plate 15 is provided with a through hole for allowing only the pull rod 17 to pass through.
When the mold is opened, the rear mold plate 16 moves, the front mold plate 15 moves along with the rear mold plate 16, so that the front mold plate 15 is separated from the material shifting plate 14, and at the moment, the material head in the material shifting plate 14 is separated from a product. The structural characteristics of the pull rod 17 and the pull head 18 form the die opening stroke of the front template 15.
The utility model has simple and reasonable structure and avoids product damage caused by directly and forcibly taking off the reverse buckle 9. The die is provided with a longitudinal elastic block 3 for assisting the forming of a back-off 9, the longitudinal elastic block 3 is arranged in a guide through hole of a slide block 4 in a sliding manner, the bottom of the slide block 4 is connected with a movable die part 2 in a sliding manner, the slide block 4 is provided with an inclined through hole, an inclined guide pillar 5 penetrates through the through hole, and the upper end of the inclined guide pillar 5 extends out of the through hole to be connected with a fixed die part 1; the upper end surface of the slide block 4 is contacted with the inner wall of the fixed mold part 1. During the die sinking, movable mould part 2 and cover half part 1 separation, slider 4 moves along with movable mould part 2, and oblique guide pillar 5 does not move, and at this moment, the up end of slider 4 and the separation of cover half part 1 inner wall, the guide through-hole upper opening do not shelter from, and vertical bullet piece 3 pops out the guide through-hole, breaks away from back-off 9 recesses promptly. The sliding block 4 continues to move along with the movable mould part 2, and simultaneously slides outwards under the action of the inclined guide post 5, so that the longitudinal elastic block 3 is driven to leave the product, and the subsequent ejection and demoulding of the product are facilitated. The vertical bullet piece 3 includes inserted block portion 6, bullet piece portion 7, and bullet piece portion 7 lower extreme is connected with spring 8, and the distance between the up end of bullet piece portion 7 and the up end of inserted block portion 6 is more than or equal to the 9 depths of back-off. When the mould is closed, the upper end surface of the sliding block 4 is in contact with the inner wall of the fixed mould part 1, namely, the upper opening of the guide through hole is shielded, the upper end surface of the inserting block part 6 is flush with the upper opening of the guide through hole, and the spring 8 at the lower end of the elastic block part 7 is in a compressed state. When the mould plastics accomplish the die sinking, the up end of slider 4 leaves cover half 1 inner wall, and the opening does not shelter from on the guiding through-hole, and under the effect of spring 8 restoring force, bullet piece portion 7 drives 6 rebound of inserted block portion for vertical bullet piece 3 breaks away from 9 recesses of back-off.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present application and are intended to be included within the scope of the present application.
Claims (6)
1. The utility model provides a slider back-off drawing of patterns mould, includes the die cavity of moulding plastics that forms between cover half part, the movable mould part and the two, its characterized in that: the injection molding cavity is provided with a longitudinal elastic block, the longitudinal elastic block is arranged in a guide through hole of the sliding block in a sliding manner, and the bottom of the sliding block is connected with the movable mold part in a sliding manner; the sliding block is provided with an inclined through hole, an inclined guide pillar penetrates through the through hole, and the upper end of the inclined guide pillar extends out of the through hole to be connected with the fixed die part; the upper end surface of the sliding block is in contact with the inner wall of the fixed die part.
2. The slider back-off mold of claim 1, wherein: the vertical bullet piece including inserted block portion, with the bullet piece portion that inserted block portion one side is connected, bullet piece portion lower extreme is connected with the spring, the up end of bullet piece portion with the distance more than or equal to back-off degree of depth between the up end of inserted block portion.
3. The slider back-off mold of claim 2, wherein: the slider is internally provided with a plane structure which is used for contacting with the bottom of the spring, and when the upper end surface of the inserting block part is flush with the guide through hole, the spring is in a compressed state.
4. The slider back-off mold of claim 1, wherein: and limiting convex blocks are arranged on two sides of the sliding block, and a limiting slide way corresponding to the movable mould part is arranged on the movable mould part.
5. The slider back-off mold of claim 4, wherein: the limiting slide way comprises a transverse slide way and a longitudinal slide way, and a slide way space is enclosed by the transverse slide way, the longitudinal slide way and the movable mould part.
6. The slide reverse ejector mold of any of claims 1-5, wherein: the fixed die part comprises an upper fixing plate, a shifting plate and a front die plate which are arranged from top to bottom, the movable die part comprises a rear die plate, the shifting plate is connected with the upper end of a pull rod, the lower end of the pull rod penetrates through the front die plate and the rear die plate, and the lower end of the pull rod is connected with a pull head which protrudes in the radial direction; the rear template is provided with a through hole allowing the pull head to pass through, and the front template is provided with a through hole only allowing the pull rod to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407739.2U CN215512137U (en) | 2021-09-30 | 2021-09-30 | Slider back-off drawing of patterns mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122407739.2U CN215512137U (en) | 2021-09-30 | 2021-09-30 | Slider back-off drawing of patterns mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215512137U true CN215512137U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122407739.2U Active CN215512137U (en) | 2021-09-30 | 2021-09-30 | Slider back-off drawing of patterns mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215512137U (en) |
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2021
- 2021-09-30 CN CN202122407739.2U patent/CN215512137U/en active Active
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