CN211968241U - Injection mold for left sealing piece and right sealing piece of passenger vehicle - Google Patents
Injection mold for left sealing piece and right sealing piece of passenger vehicle Download PDFInfo
- Publication number
- CN211968241U CN211968241U CN201922451961.5U CN201922451961U CN211968241U CN 211968241 U CN211968241 U CN 211968241U CN 201922451961 U CN201922451961 U CN 201922451961U CN 211968241 U CN211968241 U CN 211968241U
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- 238000007789 sealing Methods 0.000 title claims abstract description 18
- 238000002347 injection Methods 0.000 title claims abstract description 15
- 239000007924 injection Substances 0.000 title claims abstract description 15
- 238000010438 heat treatment Methods 0.000 claims description 16
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009826 distribution Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
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Abstract
The utility model discloses a passenger car left and right sealing element injection mold, which comprises a rear mold core, wherein a first demolding block piece and a second demolding block piece are symmetrically arranged on the rear mold core on two sides of a rear mold core cavity; the first demoulding block piece comprises a first sliding groove seat and a first sliding block, the first sliding groove seat is arranged on the rear mould core and extends out of the edge of the rear mould core, and a preset sliding groove is formed in the first sliding groove seat in an inclined mode at a certain angle; two sides of the first sliding block are movably connected with the rear mold core through a preset sliding groove on the first sliding groove seat; the first sliding groove seat is provided with two first limiting blocks; the bottom of the first sliding block is fixedly provided with a first ejection oil cylinder, and the upper part of the first sliding block is fixedly provided with a first wear-resistant block; the second stripping block piece has the same structure as the first stripping block piece. The plastic part prepared by the mold has high surface structure precision and uniform plastic density distribution.
Description
Technical Field
The utility model belongs to the technical field of passenger car injection mold, a sealing member injection mold about passenger car is related to.
Background
The left sealing piece and the right sealing piece in a newly developed product of a passenger car are formed by injection molding through a mold, and an injection mold for the left sealing piece and the right sealing piece of the new product is lacked in the market at present. Therefore, an injection mold suitable for left and right sealing elements of a passenger car needs to be developed urgently, so that the prepared plastic part has high surface structure precision, uniform plastic density distribution and simple mold structure, and is suitable for marketized batch production.
Disclosure of Invention
In order to achieve the purpose, the utility model provides a sealing member injection mold about passenger car, the piece surface structure precision height, plastic density distribution that mould that prepare are even.
The utility model adopts the technical scheme that the injection mold for the left and right sealing elements of the passenger vehicle comprises a positioning ring, wherein the positioning ring is fixedly connected to one side of a front template, the other side of the front template is fixedly connected with a hot runner plate through a bolt, the other side of the hot runner plate is fixedly connected with a front mold core through a bolt, the other side of the front mold core is connected with one side of a rear mold core, the other side of the rear mold core is fixedly connected with a backing plate through a bolt, and the other side of the backing plate is fixedly connected with a rear template through a bolt;
guide posts are arranged at four corners of the front mold core, and a front mold core cavity is arranged in the middle of the front mold core; guide sleeves are arranged at four corners of the rear mold core, and a rear mold core cavity is arranged in the middle of the rear mold core; the guide post is sleeved and matched with the guide sleeve;
a first demoulding block piece and a second demoulding block piece are symmetrically arranged on the rear mould core on two sides of the rear mould core cavity;
the first demoulding block piece comprises a first sliding groove seat and a first sliding block, the first sliding groove seat is arranged on the rear mould core and extends out of the edge of the rear mould core, and a preset sliding groove is formed in the first sliding groove seat in an inclined mode at a certain angle; two sides of the first sliding block are movably connected with the rear mold core through a preset sliding groove on the first sliding groove seat; the first sliding groove seat is provided with two first limiting blocks; the bottom of the first sliding block is fixedly provided with a first ejection oil cylinder, and the upper part of the first sliding block is fixedly provided with a first wear-resistant block;
the second stripping block piece has the same structure as the first stripping block piece.
Further, the periphery of the side wall of the front mold core is fixedly connected with mold core positioning concave blocks through bolts respectively, the periphery of the side wall of the rear mold core is fixedly connected with mold core positioning convex blocks matched with the mold core positioning concave blocks through bolts respectively, and the mold core positioning concave blocks and the mold core positioning convex blocks are clamped in a concave-convex matching manner; the front mold core and the rear mold core are fixedly connected with each other through the locking module.
The hot runner system comprises a hot runner plate, a main runner, a first sub-runner and a second sub-runner, wherein the main runner, the first sub-runner and the second sub-runner are columnar pipelines and respectively vertically penetrate through the hot runner plate; the main runner, the first sub-runner and the second sub-runner are distributed in a straight line on the hot runner plate, and the main runner is arranged between the first sub-runner and the second sub-runner; the main runner is communicated with the first sub-runner and the second sub-runner through runners in the hot runner plate respectively;
heating coils are uniformly distributed on two side surfaces of the hot runner plate respectively, and the heating coils are clamped in preset grooves in the hot runner plate; spiral heating wires are wound on the main runner, the first sub-runner and the second sub-runner; the head ends of the heating coil and the spiral heating wire penetrate into a coil pipeline to be connected with a hot runner socket through wires;
the coil pipeline is fixedly connected with the hot runner plate through bolts, and the coil pipeline is respectively fixedly connected with the front template and the front mold core through bolts.
Furthermore, the head end of the main runner, far away from the hot runner plate, vertically penetrates through the front template and extends into the positioning ring; the head ends of the first branch flow passage and the second branch flow passage are far away from the hot flow passage plate and vertically penetrate through the front mold core and extend into the front mold core cavity.
The ejection mechanism comprises an ejection bottom plate, the ejection bottom plate is fixedly connected with an ejection plate through bolts, the ejection bottom plate and the ejection plate are parallel to the rear template and are positioned in a cavity formed by the two backing plates, and the rear template is provided with a through hole;
a plurality of ejector pins are vertically and fixedly arranged on the ejector plate, and the head ends of the ejector pins are far away from the ejector plate and vertically penetrate through the rear mold core and extend into the cavity of the rear mold core; the ejection plate is inclined at a certain angle and is fixedly provided with a first taper pin and a second taper pin, and the end parts of the first taper pin and the second taper pin are far away from the ejection plate and obliquely penetrate through the rear mold core to extend into the cavity of the rear mold core.
Furthermore, four corners of the rear die plate are respectively and vertically fixed with ejection reset rods, and the end parts of the ejection reset rods sequentially and vertically penetrate through the ejection bottom plate and the ejection plate to be fixedly connected to the rear die core; four corners of the ejection plate are respectively and vertically fixed with ejection springs; an inner spring rod penetrates into the ejection spring, one end of the inner spring rod sequentially penetrates through the ejection plate and the ejection bottom plate and is fixedly connected to the rear template, and the other end of the inner spring rod is fixed on the rear die core.
The utility model has the advantages that: this mould ejection mechanism, drawing of patterns piece cooperate for the part surface structure precision that moulds that the preparation is high, make simultaneously under the effect of hot runner system mould thick liquid at the pouring in-process and be heated evenly, make to mould a plastic density distribution even, prepare out the sealing member about satisfying the processing requirement.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of the overall structure of the mold according to the embodiment of the present invention.
Fig. 2 is a schematic structural view of a hot runner system of a mold according to an embodiment of the present invention, in which fig. 2a is a front view and fig. 2b is a top view.
Fig. 3 is the utility model discloses embodiment mould ejection mechanism schematic structure.
Fig. 4 is a schematic view of a front mold core of a mold according to an embodiment of the present invention.
Fig. 5 is a schematic view of a rear mold core structure of a mold according to an embodiment of the present invention.
In the figure, 1, a positioning ring, 2, a front template, 3-1, a hot runner plate, 3-2, a main runner, 3-3, a first branch runner, 3-4, a second branch runner, 3-5, a heating coil, 3-6, a coil pipeline, 4, a front mold core, 5, a locking module, 6, a mold core positioning concave block, 7, a mold core positioning convex block, 8, a rear mold core, 9, a backing plate, 10, a rear template, 11, a hot runner socket, 12-1, an ejection bottom plate, 12-2, an ejection plate, 12-3, an ejector pin, 12-4, a first inclined pin, 12-5, a second inclined pin, 12-6, an ejection spring, 12-7, a spring inner rod, 12-8, an ejection reset rod, 13, a guide post, 14, a front mold core, 15, a guide sleeve, 16-1, a first wear-resistant block, 16-2, a first sliding block, 16-3 parts of a first limiting block, 16-4 parts of a first sliding groove seat, 16-5 parts of a first ejection oil cylinder, 17-1 parts of a second wear-resistant block, 17-2 parts of a second sliding block, 17-3 parts of a second limiting block, 17-4 parts of a second sliding groove seat, 17-5 parts of a second ejection oil cylinder and 18 parts of a rear mold core cavity.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the mold of this embodiment includes a positioning ring 1, the positioning ring 1 is fixedly connected to one side of a front mold plate 2, the other side of the front mold plate 2 is fixedly connected to a hot runner plate 3-1 through a bolt, the other side of the hot runner plate 3-1 is fixedly connected to a front mold core 4 through a bolt, the other side of the front mold core 4 is connected to one side of a rear mold core 8, the other side of the rear mold core 8 is fixedly connected to a backing plate 9 through a bolt, and the other side of the backing plate 9 is fixedly connected to a rear mold plate 10 through a bolt.
The periphery of the side wall of the front mold core 4 is fixedly connected with a mold core positioning concave block 6 through bolts respectively, the periphery of the side wall of the rear mold core 8 is fixedly connected with a mold core positioning convex block 7 matched with the mold core positioning concave block 6 through bolts respectively, and the mold core positioning concave block 6 is clamped with the mold core positioning convex block 7 in a concave-convex matching manner; the periphery of the front mold core 4 and the periphery of the rear mold core 8 are fixedly connected through a locking module 5.
Referring to fig. 2, the mold of the present embodiment includes a hot runner system, the hot runner system includes a hot runner plate 3-1, a main runner 3-2, a first sub-runner 3-3, and a second sub-runner 3-4, the main runner 3-2, the first sub-runner 3-3, and the second sub-runner 3-4 are cylindrical pipes, and vertically penetrate through the hot runner plate 3-1 respectively; the main runner 3-2, the first sub-runner 3-3 and the second sub-runner 3-4 are distributed in a straight line on the hot runner plate 3-1, and the main runner 3-2 is arranged between the first sub-runner 3-3 and the second sub-runner 3-4; the main runner 3-2 is communicated with the first sub-runner 3-3 and the second sub-runner 3-4 through runners in the hot runner plate 3-1.
Heating coils 3-5 are uniformly distributed on two side surfaces of the hot runner plate 3-1 respectively, and the heating coils 3-5 are clamped in a preset groove on the hot runner plate 3-1; spiral heating wires are wound on the main runner 3-2, the first sub-runner 3-3 and the second sub-runner 3-4; the heating coils 3-5 and the head ends of the spiral heating wires penetrate into the coil pipelines 3-6 to be connected with the hot runner socket 11 through electric wires.
The coil pipelines 3-6 are fixedly connected with the hot runner plate 3-1 through bolts, and the coil pipelines 3-6 are respectively fixedly connected with the front template 2 and the front mold core 4 through bolts.
The head end of the main runner 3-2 is far away from the hot runner plate 3-1 and vertically penetrates through the front template 2 to extend into the positioning ring 1.
The head ends of the first branch flow passage 3-3 and the second branch flow passage 3-4 are far away from the hot runner plate 3-1 and vertically penetrate through the front mold core 4 to extend into the front mold core cavity 14.
Referring to fig. 3, the mold of the embodiment includes an ejection mechanism, the ejection mechanism includes an ejection base plate 12-1, the ejection base plate 12-1 is fixedly connected with an ejection plate 12-2 through bolts, the ejection base plate 12-1 and the ejection plate 12-2 are parallel to a rear mold plate 10 and are located in a cavity formed by two backing plates 9, and the rear mold plate 10 is provided with through holes.
A plurality of ejector pins 12-3 are vertically and fixedly distributed on the ejector plate 12-2, and the head ends of the ejector pins 12-3 far away from the ejector plate 12-2 vertically penetrate through the rear mold core 8 and extend into the rear mold core cavity 18. The ejection plate 12-2 is fixedly provided with a first taper pin 12-4 and a second taper pin 12-5 in a slant angle, and the end parts of the first taper pin 12-4 and the second taper pin 12-5 far away from the ejection plate 12-2 obliquely penetrate through the rear mold core 8 and extend into the rear mold core cavity 18. Four corners of the rear template 10 are respectively and vertically fixed with ejection reset rods 12-8, and the end parts of the ejection reset rods 12-8 sequentially and vertically penetrate through the ejection bottom plate 12-1 and the ejection plate 12-2 to be fixedly connected on the rear mold core 8. Four corners of the ejection plate 12-2 are respectively and vertically fixed with ejection springs 12-6; an inner spring rod 12-7 penetrates into the ejection spring 12-6, one end of the inner spring rod 12-7 sequentially penetrates through the ejection plate 12-2 and the ejection bottom plate 12-1 to be fixedly connected to the rear template 10, and the other end of the inner spring rod is fixed on the rear die core 8. When the ejection device is used, the machine ejector rod penetrates through the through hole in the rear template 10 to push the ejection bottom plate 12-1 to realize ejection, and when the machine ejector rod withdraws the thrust applied to the ejection bottom plate 12-1, the ejection spring 12-6 rebounds to push the ejection plate 12-2 and the ejection bottom plate 12-1 back to the original position to realize reset.
Referring to fig. 4-5, four corners of the front mold core 4 are provided with guide posts 13, and the middle part of the front mold core 4 is provided with a front mold core cavity 14; four corners of the rear mold core 8 are provided with guide sleeves 15, and the middle part of the rear mold core 8 is provided with a rear mold core cavity 18; the guide post 13 is matched with the guide sleeve 15 in a sleeved mode.
And a first demoulding block piece and a second demoulding block piece are symmetrically arranged on two sides of a rear mould core cavity 18 on the rear mould core 8.
The first demoulding block piece comprises a first sliding groove seat 16-4 and a first sliding block 16-2, the first sliding groove seat 16-4 is arranged on the rear mould core 8 and extends out of the edge of the rear mould core 8, and a preset sliding groove is formed in the first sliding groove seat 16-4 in an inclined mode at a certain angle; two sides of the first sliding block 16-2 are movably connected with the rear die core 8 through a preset sliding groove on the first sliding groove seat 16-4. The first chute seat 16-4 is provided with two first limit blocks 16-3. The bottom of the first sliding block 16-2 is fixedly provided with a first ejection oil cylinder 16-5, and the upper part of the first sliding block 16-2 is fixedly provided with a first wear-resistant block 16-1. When the mold releasing device works, the first ejection oil cylinder 16-5 drives the first sliding block 16-2 to move, so that mold releasing is realized.
The second stripping block piece has the same structure as the first stripping block piece.
It is noted that, in the present application, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (6)
1. The injection mold for the left and right sealing elements of the passenger vehicle is characterized by comprising a positioning ring (1), wherein the positioning ring (1) is fixedly connected to one side of a front template (2), the other side of the front template (2) is fixedly connected with a hot runner plate (3-1) through a bolt, the other side of the hot runner plate (3-1) is fixedly connected with a front mold core (4) through a bolt, the other side of the front mold core (4) is connected with one side of a rear mold core (8), the other side of the rear mold core (8) is fixedly connected with a backing plate (9) through a bolt, and the other side of the backing plate (9) is fixedly connected with a rear template (10;
guide posts (13) are arranged at four corners of the front mold core (4), and a front mold core cavity (14) is arranged in the middle of the front mold core (4); guide sleeves (15) are arranged at four corners of the rear mold core (8), and a rear mold core cavity (18) is arranged in the middle of the rear mold core (8); the guide post (13) is sleeved and matched with the guide sleeve (15);
a first demoulding block piece and a second demoulding block piece are symmetrically arranged on the rear mould core (8) at two sides of a rear mould core cavity (18);
the first demolding block piece comprises a first sliding groove seat (16-4) and a first sliding block (16-2), the first sliding groove seat (16-4) is arranged on the rear mold core (8) and extends out of the edge of the rear mold core (8), and a preset sliding groove is formed in the first sliding groove seat (16-4) in an inclined mode at a certain angle; two sides of the first sliding block (16-2) are movably connected with the rear die core (8) through a preset sliding groove on the first sliding groove seat (16-4); the first sliding groove seat (16-4) is provided with two first limiting blocks (16-3); a first ejection oil cylinder (16-5) is fixedly arranged at the bottom of the first sliding block (16-2), and a first wear-resistant block (16-1) is fixedly arranged at the upper part of the first sliding block (16-2);
the second stripping block piece has the same structure as the first stripping block piece.
2. The injection mold for the left and right sealing elements of the passenger vehicle as claimed in claim 1, wherein the periphery of the side wall of the front mold core (4) is fixedly connected with the mold core positioning concave block (6) through bolts, the periphery of the side wall of the rear mold core (8) is fixedly connected with the mold core positioning convex block (7) matched with the mold core positioning concave block (6) through bolts, and the mold core positioning concave block (6) is engaged with the mold core positioning convex block (7) in a concave-convex fit manner; the front mold core (4) and the rear mold core (8) are fixedly connected with each other through a locking module (5).
3. The passenger car left and right seal injection mold according to claim 1, characterized by comprising a hot runner system, wherein the hot runner system comprises a hot runner plate (3-1), a main runner (3-2), a first branch runner (3-3) and a second branch runner (3-4), the main runner (3-2), the first branch runner (3-3) and the second branch runner (3-4) are cylindrical pipes and vertically penetrate through the hot runner plate (3-1); the main runner (3-2), the first sub-runner (3-3) and the second sub-runner (3-4) are distributed on the hot runner plate (3-1) in a straight line, and the main runner (3-2) is arranged between the first sub-runner (3-3) and the second sub-runner (3-4); the main runner (3-2) is communicated with the first sub-runner (3-3) and the second sub-runner (3-4) through runners in the hot runner plate (3-1);
heating coils (3-5) are uniformly distributed on two side faces of the hot runner plate (3-1) respectively, and the heating coils (3-5) are clamped in preset grooves in the hot runner plate (3-1); spiral heating wires are wound on the main runner (3-2), the first sub-runner (3-3) and the second sub-runner (3-4); the heating coil (3-5) and the head end of the spiral heating wire penetrate into the coil pipeline (3-6) and are connected with the hot runner socket (11) through electric wires;
the coil pipelines (3-6) are fixedly connected with the hot runner plate (3-1) through bolts, and the coil pipelines (3-6) are respectively fixedly connected with the front template (2) and the front mold core (4) through bolts.
4. The passenger car left and right seal injection mold according to claim 3, wherein the head end of the main runner (3-2) extends into the positioning ring (1) perpendicularly through the front mold plate (2) away from the hot runner plate (3-1); the head ends of the first sub-runner (3-3) and the second sub-runner (3-4) far away from the hot runner plate (3-1) vertically penetrate through the front mold core (4) and extend into the front mold core cavity (14).
5. The injection mold for the left and right sealing elements of the passenger vehicle is characterized by comprising an ejection mechanism, wherein the ejection mechanism comprises an ejection bottom plate (12-1), the ejection bottom plate (12-1) is fixedly connected with an ejection plate (12-2) through bolts, the ejection bottom plate (12-1) and the ejection plate (12-2) are parallel to a rear template (10) and are positioned in a cavity formed by two backing plates (9), and the rear template (10) is provided with a through hole;
a plurality of ejector pins (12-3) are vertically and fixedly distributed on the ejector plate (12-2), and the head ends of the ejector pins (12-3) are far away from the ejector plate (12-2) and vertically penetrate through the rear mold core (8) and extend into a rear mold core cavity (18); the ejection plate (12-2) is fixedly provided with a first taper pin (12-4) and a second taper pin (12-5) at a certain inclined angle, and the end parts of the first taper pin (12-4) and the second taper pin (12-5) are far away from the ejection plate (12-2) and obliquely penetrate through the rear mold core (8) and extend into the rear mold core cavity (18).
6. The injection mold for the left and right sealing elements of the passenger vehicle as claimed in claim 1, wherein four corners of the rear mold plate (10) are respectively and vertically fixed with ejection resetting rods (12-8), and the end parts of the ejection resetting rods (12-8) sequentially and vertically penetrate through an ejection bottom plate (12-1) and an ejection plate (12-2) and are fixedly connected to the rear mold core (8); four corners of the ejection plate (12-2) are respectively and vertically fixed with ejection springs (12-6); an inner spring rod (12-7) penetrates into the ejection spring (12-6), one end of the inner spring rod (12-7) sequentially penetrates through the ejection plate (12-2) and the ejection bottom plate (12-1) to be fixedly connected to the rear template (10), and the other end of the inner spring rod is fixed on the rear mold core (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451961.5U CN211968241U (en) | 2019-12-30 | 2019-12-30 | Injection mold for left sealing piece and right sealing piece of passenger vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922451961.5U CN211968241U (en) | 2019-12-30 | 2019-12-30 | Injection mold for left sealing piece and right sealing piece of passenger vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211968241U true CN211968241U (en) | 2020-11-20 |
Family
ID=73369452
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922451961.5U Expired - Fee Related CN211968241U (en) | 2019-12-30 | 2019-12-30 | Injection mold for left sealing piece and right sealing piece of passenger vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211968241U (en) |
-
2019
- 2019-12-30 CN CN201922451961.5U patent/CN211968241U/en not_active Expired - Fee Related
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Granted publication date: 20201120 |