CN209794450U - Front mould back-off mechanism of loosing core - Google Patents
Front mould back-off mechanism of loosing core Download PDFInfo
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- CN209794450U CN209794450U CN201920521239.1U CN201920521239U CN209794450U CN 209794450 U CN209794450 U CN 209794450U CN 201920521239 U CN201920521239 U CN 201920521239U CN 209794450 U CN209794450 U CN 209794450U
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- pulling assembly
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Abstract
The utility model discloses a front mould back-off core-pulling mechanism, which comprises a core-pulling component and a spring, wherein the core-pulling component is arranged at the position of a product buckle barb, and the core-pulling component is arranged in a slide way of a fixed mould plate and a mould core corresponding to the position of the product buckle in a reciprocating way; the product buckle height is less than or equal to the moving distance of the core-pulling assembly; the core pulling assembly is characterized in that one end of the core pulling assembly is a forming surface, a groove matched with a product buckle barb is formed in the edge position of the top end of the forming surface, a spring is arranged between the other end of the core pulling assembly and the fixed die plate, and the compression amount of the spring is larger than the moving distance of the core pulling assembly. The utility model discloses the spring can promote when the mould die sinking and loose core the subassembly ejecting along the inclination direction, and the subassembly of loosing core just can break away from the barb on the buckle with the product well like this. The mould has the advantages of simple structure, stable demoulding, easy processing and manufacturing, small mould volume and light weight, and greatly reduces the manufacturing cost of the mould.
Description
Technical Field
The utility model relates to a plastic mould technical field, concretely relates to front mould back-off mechanism of loosing core.
Background
According to the functional requirements of products, the product is often required to be designed with a barb type buckle design on the master mould side (glue inlet side). The product structure can form a barb for preventing a product from being separated from a plastic mould, so that the forming is very difficult to realize, the size of the mould is very large if some conventional separating mechanisms are adopted, the structure is complex, more difficulties are brought to the production and the manufacture of the mould, the manufacturing cost of the mould is increased, and the volume and the weight of the mould are increased.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects in the prior art, the technical purpose of the present invention is to provide a core-pulling mechanism for a front mold with simple structure, easy processing and manufacturing, easy product demolding, small mold size, light weight and low mold manufacturing cost.
In order to realize the technical purpose, the utility model provides a technical scheme as follows:
The utility model discloses a front mould back-off core-pulling mechanism, which comprises a core-pulling component and a spring, wherein the core-pulling component is arranged at the position of a product buckle barb, and the core-pulling component is arranged in a slide way of a fixed mould plate and a mould core corresponding to the position of the product buckle in a reciprocating way; the product buckle height is less than or equal to the moving distance of the core-pulling assembly; the core pulling assembly is characterized in that one end of the core pulling assembly is a forming surface, a groove matched with a product buckle barb is formed in the edge position of the top end of the forming surface, a spring is arranged between the other end of the core pulling assembly and the fixed die plate, and the compression amount of the spring is larger than the moving distance of the core pulling assembly.
The core-pulling assembly comprises an inclined top and a base, wherein the inclined top and the base are connected through screws, threads or in an integrated manner.
The slide way comprises a straight groove and a chute which are communicated with each other, the base is arranged in the straight groove, the depth of the straight groove is greater than the thickness of the base, and the inclined top is arranged in the chute.
The fixed die plate is provided with a spring seat corresponding to the core-pulling assembly, the spring is compressed and arranged in the spring seat, and one end of the spring is connected with the base.
The cross section of the inclined top is circular.
The outer end face of the inclined top is a forming face, the horizontal plane of the groove is arranged on the extension line of the forming face of the inclined top, and the inclined plane of the groove is intersected on the arc surface of the inclined top.
The utility model has the advantages that:
The utility model discloses collude the position at the product buckle and set up one including the subassembly of loosing core that base and oblique top constitute, compression spring of base tip installation, the spring can promote when the mould die sinking to loose core the subassembly ejecting along the inclination direction, and the subassembly of loosing core just can break away from the barb on the buckle with the product well like this. The mould has the advantages of simple structure, stable demoulding, easy processing and manufacturing, small mould volume and light weight, and greatly reduces the manufacturing cost of the mould.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the mold structure of the present invention.
Detailed Description
the conception, the specific structure and the technical effects of the present invention will be further described with reference to the accompanying drawings, so as to fully understand the objects, the features and the effects of the present invention.
Example (b):
Referring to fig. 1 and 2, the present invention includes a core pulling assembly and a spring 4.
The core pulling assembly comprises an inclined top 1 and a base 2, the section of the inclined top 1 is circular, and screws 3 are arranged between the inclined top 1 and the base 2 and connected together.
The core pulling component can be arranged in a slide way 8 of the die core 6 of the fixed die plate 5 in a reciprocating manner, wherein the slide way corresponds to the position of the product buckle 7, and the moving distance of the core pulling component is more than or equal to the height of the product buckle.
the slide 8 includes the straight flute and the chute that communicate each other, and base 2 sets up in the straight flute, and the degree of depth of straight flute is greater than the thickness of base 2, makes base 2 can move in the straight flute, and the chute is arranged in to the top 1 to one side.
The outer end face of the pitched roof 1 is a molding face, a groove 8 matched with the barb structure of the buckle 7 is formed in the edge position of the top end of the molding face, the horizontal plane of the groove 8 is arranged on the extension line of the molding face of the pitched roof 1, and the inclined plane of the groove 8 is intersected on the arc surface of the pitched roof 1.
The fixed die plate 5 is provided with a spring seat 9 corresponding to the core-pulling assembly, the spring 4 is compressed and then placed in the spring seat 9, one end of the spring 4 is connected with the base 2 in the core-pulling assembly, and the compression amount of the spring 4 is larger than the moving distance of the core-pulling assembly.
As a further improvement, a threaded connection or an integrated connection can also be arranged between the pitched roof 1 and the base 2.
The utility model discloses set up a subassembly of loosing core in product buckle barb position, the subassembly of loosing core includes links together with screw 3 with top 1 and base 2 to one side. A compression spring is arranged between the base 2 and the fixed template 5. When the mold is opened, the spring 4 can push the core-pulling component to eject along the inclination direction, so that the core-pulling component can be well separated from the reverse buckle on the buckle 7. When the mold is closed, the movable mold of the mold can press the core-pulling component back to the correct position. Adopt the utility model discloses fundamentally has solved the problem of this back-off of shaping.
The utility model discloses simple structure, the drawing of patterns is stable, easily manufacturing, and the mould is small moreover, light in weight, has reduced the manufacturing cost of mould widely.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.
Claims (6)
1. The front mould back-off core-pulling mechanism is characterized by comprising a core-pulling component and a spring (4), wherein the core-pulling component is arranged at the barb position of a product buckle, and the core-pulling component is arranged in a slide way (8) at the position of the product buckle (7) in a reciprocating manner; the height of the product buckle (7) is less than or equal to the moving distance of the core-pulling assembly; the core pulling assembly is characterized in that one end of the core pulling assembly is a forming surface, a groove matched with a product buckle barb is formed in the edge position of the top end of the forming surface, a spring (4) is arranged between the other end of the core pulling assembly and the fixed die plate (5), and the compression amount of the spring (4) is larger than the moving distance of the core pulling assembly.
2. the front mold back-off core pulling mechanism according to claim 1, wherein the core pulling assembly comprises a slanted ejecting part (1) and a base (2), and a screw (3) connection, a threaded connection or an integrated connection is arranged between the slanted ejecting part (1) and the base (2).
3. The mechanism of claim 2, characterized in that the slide (8) comprises a straight groove and a chute which are communicated with each other, the base (2) is arranged in the straight groove, the depth of the straight groove is greater than the thickness of the base (2), and the slanted top (1) is arranged in the chute.
4. The front mold back-off core pulling mechanism according to claim 2, wherein a spring seat (9) is arranged on the fixed mold plate (5) corresponding to the core pulling assembly, the spring (4) is compressed and placed in the spring seat (9), and one end of the spring (4) is connected with the base (2).
5. A front mould back-off core pulling mechanism according to claim 3, wherein the cross section of the lifter (1) is circular.
6. The front mold back-off core pulling mechanism as claimed in claim 5, wherein the outer end surface of the slanted ejecting part (1) is a molding surface, the horizontal plane of the groove is arranged on the extension line of the molding surface of the slanted ejecting part (1), and the inclined plane of the groove intersects with the arc surface of the slanted ejecting part (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521239.1U CN209794450U (en) | 2019-04-17 | 2019-04-17 | Front mould back-off mechanism of loosing core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920521239.1U CN209794450U (en) | 2019-04-17 | 2019-04-17 | Front mould back-off mechanism of loosing core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209794450U true CN209794450U (en) | 2019-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920521239.1U Active CN209794450U (en) | 2019-04-17 | 2019-04-17 | Front mould back-off mechanism of loosing core |
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| Country | Link |
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| CN (1) | CN209794450U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940836A (en) * | 2019-04-17 | 2019-06-28 | 珀尔曼机电(昆山)有限公司 | A kind of preceding mould back-off core-pulling mechanism |
| CN111331796A (en) * | 2020-04-07 | 2020-06-26 | 浙江台州美多模具有限公司 | Fixed die inclined ejection mechanism of injection mold |
-
2019
- 2019-04-17 CN CN201920521239.1U patent/CN209794450U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109940836A (en) * | 2019-04-17 | 2019-06-28 | 珀尔曼机电(昆山)有限公司 | A kind of preceding mould back-off core-pulling mechanism |
| CN111331796A (en) * | 2020-04-07 | 2020-06-26 | 浙江台州美多模具有限公司 | Fixed die inclined ejection mechanism of injection mold |
| CN111331796B (en) * | 2020-04-07 | 2022-02-11 | 浙江台州美多模具有限公司 | Fixed die inclined ejection mechanism of injection mold |
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