CN215791468U - Side core-pulling mechanism and injection mold - Google Patents
Side core-pulling mechanism and injection mold Download PDFInfo
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- CN215791468U CN215791468U CN202121971388.1U CN202121971388U CN215791468U CN 215791468 U CN215791468 U CN 215791468U CN 202121971388 U CN202121971388 U CN 202121971388U CN 215791468 U CN215791468 U CN 215791468U
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- side core
- core
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- pulling mechanism
- inclined guide
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- 238000002347 injection Methods 0.000 title claims description 14
- 239000007924 injection Substances 0.000 title claims description 14
- 240000005002 Erythronium dens canis Species 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract 1
- 238000001746 injection moulding Methods 0.000 description 7
- 150000001875 compounds Chemical class 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
The utility model discloses a side core-pulling mechanism and a die, wherein the side core-pulling mechanism comprises a slider body which is slidably arranged on a male die plate and an inclined guide block of which one end is fixedly arranged on a female die plate, a side core is slidably arranged in the side core-pulling chute and is communicated with a die cavity, a side core is slidably arranged in the side core-pulling chute, the inner end of the side core is used for forming a concave or inverted structure of the side part of a plastic part, the outer end of the side core is provided with a guide groove which penetrates through the side wall, an inclined guide strip is slidably matched in the guide groove and is fixedly connected with the inner end of the slider body, the inclined guide block pulls the slider body to move towards the outer side of the die when the die is opened, and the inclined guide strip drives the side core to move towards the outer side of the die cavity to complete side core-pulling operation. According to the side core-pulling mechanism, the small side core-pulling structure is additionally arranged at the inner end of the sliding block body, so that side core-pulling molding of a plurality of side holes which are positioned between adjacent mold cavities and have different core-pulling directions on a product is realized, and the stability and the production efficiency of a mold are improved.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to a side core-pulling mechanism and an injection mold.
Background
When injection moulding product needs the side direction shaping hole, then can set up the side mechanism of loosing core on injection moulding, if injection moulding product's hole is a plurality of and the direction diverse, then need set up the side slider of loosing core of a plurality of not equidirectional on injection moulding mould in order to satisfy the product requirement, however, the side slider of loosing core of preparation a plurality of directions in injection moulding mould, not only the structure is more complicated, especially when the side opening of plastic product is located position between the adjacent die cavity, the injection moulding mould space is less this moment, hardly realize the side and loose core. In view of the above, there is a need to improve the conventional side core pulling mechanism to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a side core pulling mechanism and an injection mold.
The utility model adopts the technical scheme for solving the technical problems that: a side core-pulling mechanism is applied to an injection mold, the injection mold comprises a female mold plate with a female mold core and a male mold plate with a male mold core, the female mold core and the male mold core are mutually matched up and down to form a cavity, the side core-pulling mechanism comprises a slider body which is slidably mounted on the male mold plate and an inclined guide block of which one end is fixedly mounted on the female mold plate, an inclined through hole which penetrates through the top to the bottom is arranged on the slider body, the other end of the inclined guide block is obliquely and movably arranged in the inclined through hole of the slider body in a penetrating manner, a side core which is communicated with the cavity is arranged between the female mold core and the male mold core, a side core is slidably mounted in the side core sliding groove, the inner end of the side core is used for forming a concave or inverted buckle structure of the side part of a plastic part, a guide groove which penetrates through the side wall is arranged at the outer end of the side core, an inclined guide strip is slidably matched in the guide groove, and is fixedly connected with the inner end of the slider body, during die opening, the oblique guide block stirs the slider body to move towards the outer side of the die, the slider body drives the side core to move towards the outer side of the die cavity through the oblique guide strip in the moving process to complete side core-pulling operation, and during die closing, the oblique guide block stirs the slider body to move inwards and drives the side core to move inwards to reset.
In order to further improve, the slider body is of a combined structure and comprises an outer sliding plate and an inner sliding plate which are respectively in sliding connection with the male die plate and the male die core, the outer sliding plate and the inner sliding plate are fixedly connected in a detachable mode, the inclined through hole is formed in the outer sliding plate, and the inclined guide strip is arranged on the inner sliding plate.
Further perfection, the adjacent edges of the outer sliding plate and the inner sliding plate are respectively provided with a first clamping groove and a second clamping groove, and a clamping and fixing structure is formed between the first clamping groove and the second clamping groove through an I-shaped embedded connecting block.
Further perfect, be equipped with outer spout on the public template, the both ends of outer spout respectively are equipped with a limit stop, and limit stop's inboard has the track groove, the both ends of outer slide plate are equipped with bellied guide rail strip, guide rail strip with the track groove carries out sliding fit and is connected.
Further perfection, be equipped with interior spout on the public mould benevolence, interior spout is linked together with adjacent the spout is taken out to the side, the guide slot is located in the interior spout, be equipped with the dogtooth on the interior slide plate, the dogtooth with interior spout is pegged graft each other and is carried out sliding fit and connect, is provided with on the bottom surface of dogtooth oblique conducting strip.
Further perfection, the inner chute is perpendicular to the side drawing chute.
Further perfect, the even interval distribution of dogtooth is equipped with V type groove between the dogtooth on the interior slide plate, and the opening both sides symmetry in V type groove is provided with oblique conducting bar, interior spout sets up with the dogtooth one-to-one, and is adjacent be equipped with spacing lug between the interior spout, V type groove with spacing lug carries out unsmooth cooperation and connects.
Further perfection, the pass of oblique through-hole is the T type, comprises oblique slotted hole and vertical slot, the bottom of oblique guide block comprises oblique wedge portion and vertical block portion, oblique slotted hole and vertical slot respectively with oblique wedge portion and vertical block portion carry out sliding fit.
Further perfect, public template upper surface is equipped with the accepting groove that is used for holding oblique guide block lower extreme, and the outside of accepting groove is fixed and is provided with the ladder piece, the bottom of riser portion be equipped with ladder piece shape fit ladder groove.
The utility model provides an injection mold, includes a female mould board of taking the female mould benevolence and a public template of taking the public mould benevolence, mutually support in order to form the die cavity about female mould benevolence and the public mould benevolence, be equipped with foretell side core pulling mechanism between female mould board and the public template, female mould benevolence and public mould benevolence when the compound die with the side core pulling mechanism encloses the die cavity that forms the injection molding jointly.
The utility model has the beneficial effects that: according to the side core-pulling mechanism, the plurality of small side core-pulling structures consisting of the side cores and the inclined guide strips are arranged at the inner end of the sliding block body at intervals, so that side core-pulling forming of a plurality of side holes which are positioned between adjacent mold cavities and have different core-pulling directions on a product is realized, the size of a mold is reduced, not only can products with a plurality of groups of mold cavities be formed at the same time, the manufacturing cost of the mold is reduced, but also the stability and the production efficiency of the mold are improved.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure at the side core;
FIG. 3 is a schematic structural view of an outer slide plate;
FIG. 4 is a schematic view of the construction of the inner slide plate;
FIG. 5 is a schematic structural view of the skew guide block;
FIG. 6 is a schematic structural view of the receiving groove and the step block;
description of reference numerals: 1. the male die plate comprises a male die plate body, 11, an outer sliding groove, 12, a limit stop, 13, a rail groove, 14, a containing groove, 15, a step block, 2, a male die core, 21, a side drawing sliding groove, 22, an inner sliding groove, 23, a limit bump, 3, a sliding block body, 31, an inclined through hole, 311, an inclined groove hole, 312, a vertical groove hole, 32, an inclined guide strip, 33, an outer sliding plate block, 331, a first clamping groove, 332, a guide strip block, 34, an inner sliding plate block, 341, a second clamping groove, 342, a convex tooth, 343, a V-shaped groove, 35, a connecting block, 4, an inclined guide block, 41, an inclined wedge part, 42, a vertical block part, 43, a step groove, 5, a side core, 51 and a guide groove.
Detailed Description
The utility model will be further described with reference to the accompanying drawings in which:
referring to figure 1: in the embodiment, the side core pulling mechanism is applied to an injection mold, the injection mold comprises a female mold plate with a female mold core and a male mold plate 1 with a male mold core 2, the female mold core and the male mold core 2 are vertically matched to form a mold cavity, the side core pulling mechanism comprises a slider body 3 slidably mounted on the male mold plate 1 and an inclined guide block 4 with one end fixedly mounted on the female mold plate, an inclined through hole 31 penetrating from top to bottom is formed in the slider body 3, the other end of the inclined guide block 4 is obliquely and movably arranged in the inclined through hole 31 of the slider body 3, a side core pulling chute 21 communicated with the mold cavity is arranged between the female mold core and the male mold core 2, as shown in figure 2, a side core 5 is slidably mounted in the side core pulling chute 21, the inner end of the side core 5 is used for forming a concave or inverted buckle structure of the side part of a plastic part, the outer end of the side core 5 is provided with a guide groove 51 penetrating through the side wall, an inclined guide bar 32 (shown in fig. 4) is matched in the guide groove 51 in a sliding mode, the inclined guide bar 32 is fixedly connected with the inner end of the slider body 3, the inclined guide block 4 is used for poking the slider body 3 to move towards the outer side of a mold during mold opening, the slider body 3 is driven by the inclined guide bar 32 to move towards the outer side of the mold cavity to complete side core pulling operation during moving, and the inclined guide block 4 is used for poking the slider body 3 to move inwards during mold closing and simultaneously drives the side core 5 to move inwards to reset.
The working principle is as follows: as shown in fig. 2, taking a cavity of a mold as an example, in a mold closing state, two sides of the cavity are respectively provided with a side core 5, the side cores 5 are located in side drawing chutes 21 of a core insert 2, inner ends of the side cores 5 extend to the cavity, guide grooves 51 at outer ends of the side cores 5 are matched with inclined guide strips 32 at inner ends of a slider body 3, when the mold is opened, the core plate 1 and the cavity plate are separated, inclined guide blocks 4 on the cavity plate are in sliding fit with inclined through holes 31 of the slider body 3, the slider body 3 is driven to slide outwards of the core plate 1, outer inclined surfaces of the inclined guide strips 32 and outer inclined surfaces of the guide grooves 51 are driven to slide relatively, the side cores 5 are driven to be drawn outwards until a straight surface at the tail end of the outer inclined surfaces of the inclined guide strips 32 is tangent to a fillet of the outer inclined surfaces of the guide grooves 51, the side cores 5 stop moving, the side drawing operation is completed, finally, ejector pins of the mold eject a plastic part molded in the cavity, so as to realize mold closing and blanking, the inclined guide block 4 pushes the slider body 3 to slide inwards to reset, and simultaneously drives the side cores 5 at two sides of the cavity to slide inwards to reset.
As shown in fig. 3-4, the slider body 3 has a combined structure, and includes an outer sliding plate 33 and an inner sliding plate 34 slidably connected to the male mold 1 and the male mold core 2, respectively, so that the slider body 3 can slide more stably, the plastic molding quality can be improved, the outer sliding plate 33 and the inner sliding plate 34 are detachably and fixedly connected to each other, the manufacturing is facilitated, and the cost is reduced, the inclined through hole 31 is formed in the outer sliding plate 33, and the inclined guide bar 32 is formed in the inner sliding plate 34.
The adjacent edges of the outer sliding plate 33 and the inner sliding plate 34 are respectively provided with a first clamping groove 331 and a second clamping groove 341, and a clamping and fixing structure is formed between the first clamping groove 331 and the second clamping groove 341 through an embedded I-shaped connecting block 35.
Be equipped with outer spout 11 on the core plate 1, the both ends of outer spout 11 respectively are equipped with a limit stop 12, and limit stop 12's inboard has track groove 13, the both ends of outer slide plate 33 are equipped with bellied guide rail strip 332, guide rail strip 332 with track groove 13 carries out sliding fit and connects, can strengthen the gliding precision of outer slide plate 33, and limit stop 12 is supported by wear-resistant material, can reduce wear, improves the life-span of slider.
Be equipped with interior spout 22 on the core 2, interior spout 22 is linked together with adjacent side draw-out spout 21, guide slot 51 is located in interior spout 22, be equipped with dogtooth 342 on the interior slide plate 34, dogtooth 342 with interior spout 22 pegs graft each other and carries out sliding fit and connects, can improve the precision that resets, is provided with on the bottom surface of dogtooth 342 oblique gib 32, the guide slot 51 cooperation of convenient and downside.
The inner sliding groove 22 and the side drawing sliding groove 21 are perpendicular to each other. The inclined guide strip 32 can more smoothly pull the side core in the side pulling chute 21, so that the abrasion and the blocking of the side core are avoided.
The even interval distribution of dogtooth 342 is on interior slide block 34, and is adjacent be equipped with V type groove 343 between the dogtooth 342, can further improve interior slide block 34 and 2 complex precisions of core mould benevolence, avoid interior slide block 34 to produce not hard up, and the opening bilateral symmetry of V type groove 343 is provided with oblique gib block 32 can be loosed core to characteristics such as the side opening of two symmetries on the plastic product lateral wall simultaneously, interior spout 22 sets up with dogtooth 342 one-to-one, and is adjacent be equipped with spacing lug 23 between the interior spout 22, V type groove 343 with spacing lug 23 carries out unsmooth cooperation and is connected, can carry out accurate spacing to the inner of interior slide block 34.
The hole pattern of the inclined through hole 31 is T-shaped and is composed of two parts, namely an inclined slot hole 311 and a vertical slot hole 312, as shown in fig. 5, the bottom of the inclined guide block 4 is composed of an inclined wedge part 41 and a vertical block part 42, and the inclined slot hole 311 and the vertical slot hole 312 are respectively in sliding fit with the inclined wedge part 41 and the vertical block part 42. The overall structural strength of the inclined guide block 4 is high, when the inclined guide block is matched with the inclined through hole 31, the outer sliding plate block 33 is driven to be smoother and more labor-saving, the inclined wedge part 41 is not easy to wear and is blocked and broken in the inclined through hole 31, and the inclined guide block has longer service life compared with a general slide mechanism of an inclined guide column/slide block.
As shown in fig. 6, the upper surface of the core plate 1 is provided with a receiving groove 14 for receiving the lower end of the inclined guide block 4, a step block 15 is fixedly arranged outside the receiving groove 14, and the bottom of the vertical block portion 42 is provided with a step groove 43 matched with the step block 15 in shape. The ladder block 15 can make the bottom that oblique guide block 4 supported when mould compound die end, and supplementary slider body 3 slides and targets in place, reduces oblique guide block 4's bending deformation, improves the compound die precision.
The utility model provides an injection mold, includes a female template of taking the cavity benevolence and a public template 1 of taking public mould benevolence 2, the cavity is mutually supported in order to form the die cavity about the mercy of master model and public mould benevolence 2, be equipped with foretell side core pulling mechanism between female template and the public template 1.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the scope of the appended claims.
Claims (10)
1. The utility model provides a side mechanism of loosing core, is applied to injection mold, injection mold includes a female template of taking the cavity benevolence and a public template (1) of taking public mould benevolence (2), the cavity benevolence mutually supports from top to bottom with public mould benevolence (2) and forms the die cavity, its characterized in that: the side core-pulling mechanism comprises a slider body (3) which is slidably mounted on a male template (1) and an inclined guide block (4) of which one end is fixedly mounted on a female template, wherein an inclined through hole (31) penetrating from the top to the bottom is formed in the slider body (3), the other end of the inclined guide block (4) is obliquely and movably arranged in the inclined through hole (31) of the slider body (3), a side core-pulling chute (21) communicated with a cavity is formed between the female mold core and the male mold core (2), a side core (5) is slidably mounted in the side core-pulling chute (21), the inner end of the side core (5) is used for forming a sunken or inverted structure of the side part of a plastic part, a guide groove (51) penetrating through the side wall is formed in the outer end of the side core (5), an inclined guide strip (32) is slidably matched in the guide groove (51), the inclined guide strip (32) is fixedly connected with the inner end of the slider body (3), and the inclined guide block (4) is used for shifting the slider body (3) to move towards the outer side of a mold during mold opening, in the moving process, the slide block body (3) drives the side core (5) to move towards the outer side of the cavity through the inclined guide strip (32) to complete side core pulling operation, and during die assembly, the inclined guide block (4) stirs the slide block body (3) to move inwards and drives the side core (5) to move inwards to reset.
2. The side core pulling mechanism according to claim 1, wherein: the slider body (3) is of a combined structure and comprises an outer sliding plate block (33) and an inner sliding plate block (34) which are respectively in sliding connection with the male template (1) and the male die core (2), the outer sliding plate block and the inner sliding plate block are fixedly connected in a detachable mode, the inclined through hole (31) is formed in the outer sliding plate block (33), and the inclined guide strip (32) is arranged on the inner sliding plate block (34).
3. The side core pulling mechanism according to claim 2, wherein: the adjacent edges of the outer sliding plate (33) and the inner sliding plate (34) are respectively provided with a first clamping groove (331) and a second clamping groove (341), and a clamping and fixing structure is formed between the first clamping groove (331) and the second clamping groove (341) through an embedded I-shaped connecting block (35).
4. The side core pulling mechanism according to claim 2, wherein: be equipped with outer spout (11) on core plate (1), the both ends of outer spout (11) respectively are equipped with a limit stop (12), and the inboard of limit stop (12) has track groove (13), the both ends of outer slide plate piece (33) are equipped with bellied guide rail strip (332), guide rail strip (332) with track groove (13) carry out sliding fit and are connected.
5. The side core pulling mechanism according to claim 4, wherein: be equipped with interior spout (22) on public mould benevolence (2), interior spout (22) and adjacent side take out spout (21) and be linked together, guide slot (51) are located in interior spout (22), be equipped with dogtooth (342) on interior slide plate (34), dogtooth (342) with interior spout (22) peg graft each other and carry out sliding fit and connect, be provided with on the bottom surface of dogtooth (342) oblique conducting strip (32).
6. The side core pulling mechanism according to claim 5, wherein: the inner sliding chute (22) is perpendicular to the side drawing sliding chute (21).
7. The side core pulling mechanism according to claim 6, wherein: the convex teeth (342) are uniformly distributed on the inner sliding plate block (34) at intervals, V-shaped grooves (343) are formed between the adjacent convex teeth (342), the inclined guide strips (32) are symmetrically arranged on two sides of an opening of each V-shaped groove (343), the inner sliding grooves (22) and the convex teeth (342) are arranged in a one-to-one correspondence mode, limiting convex blocks (23) are arranged between the adjacent inner sliding grooves (22), and the V-shaped grooves (343) are in concave-convex matching connection with the limiting convex blocks (23).
8. The side core pulling mechanism according to claim 1, wherein: the hole pattern of oblique through-hole (31) is the T type, comprises oblique slotted hole (311) and perpendicular slotted hole (312), the bottom of oblique guide block (4) comprises oblique wedge portion (41) and perpendicular piece portion (42), oblique slotted hole (311) and perpendicular slotted hole (312) respectively with oblique wedge portion (41) and perpendicular piece portion (42) carry out sliding fit.
9. The side core pulling mechanism according to claim 8, wherein: the male die plate (1) upper surface is equipped with and is used for holding accepting groove (14) of oblique guide block (4) lower extreme, and the outside of accepting groove (14) is fixed and is provided with ladder piece (15), the bottom of riser portion (42) be equipped with ladder piece (15) formfitting ladder groove (43).
10. An injection mold, its characterized in that: the core-pulling mechanism comprises a female die plate with a female die core and a male die plate (1) with a male die core (2), wherein the female die plate and the male die core (2) are matched with each other up and down to form a cavity, and the side core-pulling mechanism as claimed in any one of claims 1 to 9 is arranged between the female die plate and the male die plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971388.1U CN215791468U (en) | 2021-08-21 | 2021-08-21 | Side core-pulling mechanism and injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121971388.1U CN215791468U (en) | 2021-08-21 | 2021-08-21 | Side core-pulling mechanism and injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215791468U true CN215791468U (en) | 2022-02-11 |
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ID=80149522
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121971388.1U Active CN215791468U (en) | 2021-08-21 | 2021-08-21 | Side core-pulling mechanism and injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215791468U (en) |
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2021
- 2021-08-21 CN CN202121971388.1U patent/CN215791468U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xie Jiajian Inventor after: Ni Minghui Inventor before: Xie Jiajian Inventor before: Ni Minghui |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20231226 Address after: 325000, No. 291 Weishiba Road, Leqing Economic Development Zone, Leqing City, Wenzhou City, Zhejiang Province Patentee after: Wenzhou Chengcheng Electrician Co.,Ltd. Patentee after: Wenzhou Chengcheng mould Co.,Ltd. Address before: 325000 No. 291, weishiba Road, Yueqing Economic Development Zone, Wenzhou, Zhejiang Patentee before: Wenzhou Chengcheng mould Co.,Ltd. |