CN222959117U - A straight top oblique core pulling structure for demoulding products with undercuts - Google Patents
A straight top oblique core pulling structure for demoulding products with undercuts Download PDFInfo
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- CN222959117U CN222959117U CN202421582782.XU CN202421582782U CN222959117U CN 222959117 U CN222959117 U CN 222959117U CN 202421582782 U CN202421582782 U CN 202421582782U CN 222959117 U CN222959117 U CN 222959117U
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Abstract
The utility model relates to the technical field of demolding structures, and particularly discloses a straight-top inclined core-pulling structure for demolding a product with a back-off, which comprises the following components: a straight ejector rod; the device comprises an inclined top, wherein the bottom of the inclined top is provided with horizontal sliding grooves, the top of the straight ejector rod is slidably connected in the sliding grooves, at least one side wall of the inclined top is provided with inclined guide sliding strips, the guide sliding grooves are obliquely arranged in a die for processing products with inverted buckles and are parallel to the guide sliding strips, the number of the guide sliding grooves corresponds to that of the guide sliding strips, and the guide sliding strips are slidably connected in the corresponding guide sliding grooves.
Description
Technical Field
The application relates to the technical field of demolding structures, and particularly discloses a straight-top inclined core pulling structure for demolding of products with inverted buckles.
Background
The mold processing and forming are processing modes commonly used in various industries at present, under normal conditions, the cavity shape formed by closing between an upper mold and a lower mold is utilized in the mold processing process, so that the product is in a characteristic shape, and in the process of demolding a product with a back-off, the product with the back-off is ejected out by using an ejection mechanism, as shown in fig. 1, an inclined ejection mechanism is currently commonly used for ejecting the product with the back-off, namely, an inclined ejection rod 5 pushes an inclined ejection head 4, so that the inclined ejection head 4 is separated from the back-off position of the product, and the back-off core pulling is performed on the product with the back-off.
However, in the process of back-off core pulling of the flip top, when the back-off distance on the product is smaller, as shown in part a in fig. 1, motion interference easily occurs between two flip top rods and between the flip top rods and the matched connecting parts thereof, which affects normal operation of back-off core pulling and also easily causes damage to equipment parts and affects product precision and quality, so the inventor has provided a straight-top and back-off core pulling structure for demolding of the product with the back-off so as to solve the problems.
Disclosure of utility model
The utility model aims to provide a straight-ejection inclined core pulling structure for a mold stripping of a product with a back-off, so as to carry out back-off core pulling on the product with the back-off with smaller back-off interval.
In order to achieve the above purpose, the basic scheme of the utility model provides a straight-top inclined core pulling structure for demolding of a product with a back-off, which comprises the following components:
A straight ejector rod;
The bottom of the inclined top head is provided with a horizontal chute, the top of the straight top rod is connected in the chute in a sliding way, and at least one side wall of the inclined top head is provided with an inclined slide guiding strip;
The guide sliding grooves are obliquely arranged in the die for processing the product with the inverted buckle and are parallel to the guide sliding strips, the number of the guide sliding grooves corresponds to that of the guide sliding strips, and the guide sliding strips are in sliding connection with the corresponding guide sliding grooves.
Further, the included angle between the sliding guide strip and the vertical plane and the sliding guide groove is smaller than or equal to 20 degrees.
Further, the number of the sliding guide strips is two, and the sliding guide strips are arranged on two side walls of the inclined top head opposite to each other.
Further, the cross section of the sliding groove is dovetail-shaped or T-shaped.
Further, one end of the inclined top head, which is far away from the back-off of the product, is provided with an inclined end face, and an inclined face matched with the inclined end face is arranged in a die for processing the product with the back-off.
Further, the sliding guide strip is arranged on the inclined end face and is parallel to the inclined end face.
Further, the vertical sliding guide device also comprises a guide block, and the straight ejector rod is vertically and slidably connected with the guide block.
The principle and effect of this scheme lie in:
Compared with the prior art, the utility model has the advantages that the straight ejector rod and the inclined ejector head are arranged, the guide sliding strip on the side wall of the inclined ejector head is matched with the guide sliding groove in the die for processing the product with the back-off, so that when the straight ejector rod vertically lifts the inclined ejector head, the inclined ejector head slides along the direction of the guide sliding strip and the guide sliding groove, the sliding in the inclined direction can be decomposed into vertical movement and horizontal movement, the back-off on the inclined ejector head and the product with the back-off is separated from each other, the purpose of directly ejecting and obliquely pulling the core is achieved, two (or more) back-off symmetrical arrangement or smaller back-off position staggering can be achieved, the back-off core pulling can be carried out on the product when two (or more) conventional back-off structures cannot be arranged, the angle of the straight ejector rod is not required to be adjusted, the inclined ejector seat is not required, the die space is saved, and the die raw material cost and the processing cost are saved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 shows a schematic diagram of a prior art pitched roof mechanism for demolding a product with a back-off;
FIG. 2 shows an exploded view of a straight-top oblique core pulling structure for demolding a product with a back-off according to an embodiment of the present application;
FIG. 3 shows an exploded view of a part of a straight-top oblique core pulling structure for demolding a product with a back-off according to an embodiment of the present application;
Fig. 4 shows a schematic structural diagram of a straight-top oblique core pulling structure for demolding a product with a back-off according to an embodiment of the present application;
Fig. 5 shows a schematic diagram of matching of an oblique plug and a product with a back-off in a straight-top oblique core pulling structure for demolding of the product with a back-off according to an embodiment of the present application;
FIG. 6 shows a schematic view of a guide chute for use in demolding of a product with a back-off according to an embodiment of the present application;
Fig. 7 shows a schematic diagram of a motion state of a straight-top oblique core pulling structure for demolding a product with a back-off according to an embodiment of the present application.
Detailed Description
In order to further describe the technical means and effects adopted by the present utility model for achieving the intended purpose, the following detailed description will refer to the specific implementation, structure, characteristics and effects according to the present utility model with reference to the accompanying drawings and preferred embodiments.
The reference numerals in the drawings of the specification comprise a product 1 with a back-off, a lower die 2, an upper die 3, an inclined top 4, an inclined top rod 5, an upper clamping plate 6, an upper die holder 7, a lower clamping plate 8, a lower die holder 9, a base 10, a straight top rod 11, a guide block 12, a connecting block 13, a guide slide bar 14, a slide groove 15, a back-off 16 and a guide slide groove 17.
The product 1 with the back-off is injection molded after being closed by the upper die 3 and the lower die 2, correspondingly, the top of the upper die 3 is sequentially provided with an upper clamping plate 6 and an upper die holder 7, and the bottom of the lower die 2 is sequentially provided with a lower clamping plate 8, a lower die holder 9 and a base 10.
The embodiment discloses a straight-ejection inclined core-pulling structure for demolding a product 1 with an inverted buckle, which comprises a straight ejector rod 11, an inclined ejector head 4 and a guide chute 14 as shown in fig. 2 to 6. The method comprises the following steps:
The lower die holder 9 is provided with a push plate, the bottom of the straight push rod 11 is connected with the push plate through a connecting block 13, the lower clamping plate 8 is provided with a guide block 12, and the straight push rod 11 is vertically and slidably connected with the guide block 12 and penetrates through the lower clamping plate 8.
The inclined top 4 is characterized in that a horizontal chute 15 is arranged at the bottom of the inclined top 4, the top of a straight top rod 11 is connected in the chute 15 in a sliding way, the cross section of the chute 15 is in a dovetail shape or a T shape so as to play a role in preventing the straight top rod 11 from being separated from the inclined top 4, correspondingly, a cavity matched with the inclined top 4 is formed on the lower die 2, a groove capable of accommodating the inverted buckle 16 is formed between the inclined top 4 and one of the cavities, the rest side surfaces of the inclined top 4 are mutually attached to the inner wall of the cavity, an inclined end surface is arranged on one side surface of the inclined top 4 away from the inverted buckle 16, inclined guide sliding strips 14 are symmetrically arranged on two opposite side walls of the inclined top 4, the guide sliding strips 14 are mutually parallel to the inclined end surfaces, and an included angle between the guide sliding strips 14 and the inclined end surfaces and a vertical plane is smaller than or equal to 20 degrees.
The guide sliding grooves 17 are arranged on the inner wall of the cavity of the lower die 2, the number and the positions of the guide sliding grooves are corresponding to those of the guide sliding strips 14 and are parallel to those of the guide sliding strips 14, and each guide sliding strip is attached to the corresponding inner wall of the guide sliding groove 17 and is in sliding connection with the inner wall of the guide sliding groove 17.
In the implementation process of the utility model, the push plate is driven by an external linear driving mechanism, such as an air cylinder, to vertically move, so that the straight ejector rod 11 can be driven to vertically move, the inclined ejector rod 4 is vertically lifted, as shown in fig. 6, the inclined ejector rod 4 slides along the direction of the sliding guide strip 14 and the sliding guide groove 17, the sliding in the inclined direction can be decomposed into vertical movement and horizontal movement, so that the inclined ejector rod 4 and the back-off 16 on the product 1 with the back-off are separated from each other, the purpose of directly ejecting and obliquely pulling cores is achieved, two (or more) back-off 16 are symmetrically arranged or the back-off 16 are staggered less, the back-off 16 which is performed on the product can not be arranged in the case of two (or more) conventional inclined ejector structures is achieved, the angle of the straight ejector rod 11 is not required to be adjusted, the inclined ejector seat is not required, the die space is saved, and the die raw material cost and the processing cost are saved.
The present utility model is not limited in any way by the above-described preferred embodiments, but is not limited to the above-described preferred embodiments, and any person skilled in the art will appreciate that the present utility model can be embodied in the form of a program for carrying out the method of the present utility model, while the above disclosure is directed to equivalent embodiments capable of being modified or altered in some ways, it is apparent that any modifications, equivalent variations and alterations made to the above embodiments according to the technical principles of the present utility model fall within the scope of the present utility model.
Claims (7)
1. A straight top inclined core pulling structure for taking back-off product demolding, which is characterized in that includes:
A straight ejector rod;
The bottom of the inclined top head is provided with a horizontal chute, the top of the straight top rod is connected in the chute in a sliding way, and at least one side wall of the inclined top head is provided with an inclined slide guiding strip;
The guide sliding grooves are obliquely arranged in the die for processing the product with the inverted buckle and are parallel to the guide sliding strips, the number of the guide sliding grooves corresponds to that of the guide sliding strips, and the guide sliding strips are in sliding connection with the corresponding guide sliding grooves.
2. The straight-ejection inclined core pulling structure for a mold stripping of a product with back-off according to claim 1, wherein an included angle between the guide sliding strip and the vertical plane and the guide sliding groove is smaller than or equal to 20 degrees.
3. The straight-ejection inclined core pulling structure for the mold stripping of the inverted buckle product according to claim 1 or 2, wherein the number of the slide guide strips is two and the slide guide strips are arranged on two side walls of the inverted inclined head.
4. The straight-ejection inclined core pulling structure for demolding of a product with back-off according to claim 1, wherein the cross section of the chute is dovetail-shaped or T-shaped.
5. The straight-ejection inclined core-pulling structure for the mold stripping of the product with the back-off according to claim 1, wherein an inclined end face is arranged at one end, far away from the back-off of the product, of the inclined top head, and an inclined face matched with the inclined end face is arranged in a mold for processing the product with the back-off.
6. The straight-ejection inclined core pulling structure for a mold stripping of a product with back-off as set forth in claim 5, wherein said slide guide strip is disposed on said inclined end face and is parallel to said inclined end face.
7. The straight ejection and inclined core pulling structure for the mold stripping of the product with the back-off according to claim 1, further comprising a guide block, wherein the straight ejection rod is vertically and slidably connected with the guide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421582782.XU CN222959117U (en) | 2024-07-05 | 2024-07-05 | A straight top oblique core pulling structure for demoulding products with undercuts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421582782.XU CN222959117U (en) | 2024-07-05 | 2024-07-05 | A straight top oblique core pulling structure for demoulding products with undercuts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222959117U true CN222959117U (en) | 2025-06-10 |
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ID=95905877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421582782.XU Active CN222959117U (en) | 2024-07-05 | 2024-07-05 | A straight top oblique core pulling structure for demoulding products with undercuts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222959117U (en) |
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2024
- 2024-07-05 CN CN202421582782.XU patent/CN222959117U/en active Active
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