CN215619723U - Injection mold for improving deformation of square product - Google Patents
Injection mold for improving deformation of square product Download PDFInfo
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- CN215619723U CN215619723U CN202122056312.2U CN202122056312U CN215619723U CN 215619723 U CN215619723 U CN 215619723U CN 202122056312 U CN202122056312 U CN 202122056312U CN 215619723 U CN215619723 U CN 215619723U
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- insert
- groove
- deformation
- injection mold
- improving
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- 238000002347 injection Methods 0.000 title claims abstract description 19
- 239000007924 injection Substances 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- 238000000465 moulding Methods 0.000 claims description 12
- DMFGNRRURHSENX-UHFFFAOYSA-N beryllium copper Chemical compound [Be].[Cu] DMFGNRRURHSENX-UHFFFAOYSA-N 0.000 claims description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000032683 aging Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 description 8
- 238000001816 cooling Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 4
- 230000035515 penetration Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 210000000988 bone and bone Anatomy 0.000 description 1
- 239000003086 colorant Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Images
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses an injection mold for improving deformation of a square product, and relates to the field of injection molds. Four corners of the product are the places with the largest product shrinkage, insert pieces are arranged at the four corners of the product, water conveying channels are added, uneven product shrinkage is avoided, the problems of appearance and inward shrinkage deformation of the product are effectively solved, the production yield is greatly improved, and the production aging is guaranteed.
Description
Technical Field
The utility model relates to the field, in particular to an injection mold for improving the deformation of a square product.
Background
The injection molding method has the advantages of high production speed, high efficiency, automation operation, various colors, shapes from simple to complex, sizes from large to small, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the fields of mass production, complex-shaped products and other molding processing.
At present, highly higher and the lateral wall does not have the square product that the bone position supported often can meet bending deformation or distortion's problem at the in-process of moulding plastics, it is the biggest place of product shrink that part is square and four corners of high than high product, the easy retraction deformation of injection molding thin wall, the corner position cooling of back mould end in time can lead to the corner position of injection molding to take place deformation easily, the production disability rate is very high, the product warp seriously, the outward appearance is unsightly, the assembly is difficult, extravagant manpower and materials, production ageing does not have the assurance.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to an injection mold for improving the deformation of a square product, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the utility model adopts the following technical scheme: an injection mold for improving deformation of a square product comprises a rear mold core, wherein a square groove is formed in the middle of the rear mold core, a rear mold insert is embedded in the square groove, a first through groove, a second through groove, a third through groove and a fourth through groove are formed in the corner position of the rear mold insert, a first insert is embedded in the first through groove, a second insert is embedded in the second through groove, a third insert is embedded in the third through groove, a fourth insert is embedded in the fourth through groove, the rear mold insert is provided with a first connecting channel and a second connecting channel, the first insert and the second insert are communicated through the first connecting channel, the third insert and the fourth insert are communicated through the second connecting channel, the first insert and the second insert are provided with a first water conveying channel communicated with the first connecting channel, and the third insert and the fourth insert are provided with a second water conveying channel communicated with the second connecting channel, and the first connecting channel and the second connecting channel are bent towards the middle part of the rear mold core to form a V shape. Four corners of the product are the places with the largest product shrinkage, insert pieces are arranged at the four corners of the product, water conveying channels are added, uneven product shrinkage is avoided, the problems of appearance and inward shrinkage deformation of the product are effectively solved, the production yield is greatly improved, and the production aging is guaranteed.
Furthermore, two opposite side surfaces of the rear mold insert are respectively provided with a side surface molding groove, and the upper surfaces of the third insert and the fourth insert are respectively concavely provided with an end part molding groove. The inner structure of the product is formed through the side forming grooves, and the hole sites are installed on the surface of the product through the end forming grooves.
Further, first fortune water passageway includes first horizontal segment, second horizontal segment and first vertical section, first horizontal segment and second horizontal segment intercommunication are the cross each other, the one end that back mould mold insert was kept away from to first horizontal segment and second horizontal segment all is connected with first vertical section. And cooling the first insert and the second insert through the first water conveying channel.
Further, the second water transporting channel comprises a third horizontal section, a second vertical section and a third vertical section, the second vertical section and the third vertical section are parallel to each other, and the upper ends of the second vertical section and the third vertical section are communicated with the third horizontal section. And cooling the third insert and the fourth insert through the second water conveying channel.
Furthermore, the first mold insert and the second mold insert are provided with first ejection holes at the ends far away from the back mold insert, and the third mold insert and the fourth mold insert are provided with second ejection holes at the two sides of the end part molding groove. The first ejection hole and the second ejection hole are used for the ejector pins to penetrate through, and the stress of the end part forming groove part of the product is uniform during material stripping.
Furthermore, a main ejection hole is formed in the edge of the rear mold insert. The main ejection hole is used for the penetration of an ejector pin, so that the material can be conveniently removed, and the stress of the product is uniform during material removal.
Furthermore, the inner walls of the first through groove, the second through groove, the third through groove and the fourth through groove are all concavely provided with limiting grooves, the lower ends of the first insert, the second insert, the third insert and the fourth insert are all convexly provided with limiting blocks, and the limiting blocks are arranged in the limiting grooves in a one-to-one correspondence manner. The limiting block is matched with the limiting groove to position the first insert, the second insert, the third insert and the fourth insert.
Further, the limiting groove extends along the length direction of the rear mold insert. The limiting groove is prolonged, so that the limiting block is changed into a limiting groove, and the limiting block is convenient to be arranged in the limiting groove.
Further, the first insert, the second insert, the third insert and the fourth insert are all beryllium copper inserts. The injection molding speed of the mold is accelerated by utilizing the characteristic of high cooling speed of beryllium copper.
The utility model has the beneficial effects that: the four corners of the product are the places with the largest product shrinkage, insert pieces are arranged at the four corners of the product, and water conveying channels are added, so that the uneven product shrinkage is avoided, and the problems of the appearance and the inward shrinkage deformation of the product are effectively improved; the production yield is greatly improved, and the problems of difficult assembly, poor assembly and the like of products are solved, so that manpower and material resources are saved, and the production timeliness is ensured.
Drawings
The figures further illustrate the utility model, but the examples in the figures do not constitute any limitation of the utility model.
Fig. 1 is a schematic structural diagram of an injection mold for improving deformation of a square product according to an embodiment of the present invention;
FIG. 2 is a bottom view of an injection mold for improving the deformation of a square product according to an embodiment of the present invention;
FIG. 3 is a cross-sectional view of a back mold insert provided in accordance with an embodiment of the present invention;
fig. 4 is a cross-sectional view of a first insert provided in accordance with an embodiment of the present invention;
fig. 5 is a cross-sectional view of a fourth insert according to an embodiment of the present invention.
The labels in the figure are: the mold comprises a rear mold core 1, a rear mold insert 2, a side molding groove 21, an end molding groove 22, a first insert 3, a second insert 4, a third insert 5, a fourth insert 6, a first connecting channel 7, a second connecting channel 8, a first water conveying channel 9 and a second water conveying channel 10.
Detailed Description
The following detailed description of embodiments of the utility model refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present.
In the present invention, unless otherwise specified, the terms of orientation such as "upper, lower, left, right" used herein generally refer to the upper, lower, left, and right directions as shown in fig. 1. "inner and outer" refer to the inner and outer portions of a particular contour. "distal and proximal" refer to distal and proximal relative to a component.
As shown in fig. 1 to 5, an injection mold for improving deformation of a square product according to an embodiment of the present invention includes a rear mold core 1, a square groove is formed in the middle of the rear mold core 1, a rear mold insert 2 is embedded in the square groove, a first through groove, a second through groove, a third through groove, and a fourth through groove are formed at an end corner portion of the rear mold insert 2, a first insert 3 is embedded in the first through groove, a second insert 4 is embedded in the second through groove, a third insert 5 is embedded in the third through groove, a fourth insert 6 is embedded in the fourth through groove, the rear mold insert 2 is provided with a first connecting passage 7 and a second connecting passage 8, the first insert 3 and the second insert 4 are communicated through the first connecting passage 7, the third insert 5 and the fourth insert 6 are communicated through the second connecting passage 8, the first insert 3 and the second insert 4 are both provided with a first water transporting passage 9 communicated with the first connecting passage 7, the third insert 5 and the fourth insert 6 are both provided with a second water conveying channel 10 communicated with a second connecting channel 8, and the first connecting channel 7 and the second connecting channel 8 are both bent towards the middle part of the rear mold core 1 to form a V shape. Four corners of the product are the places with the largest product shrinkage, insert pieces are arranged at the four corners of the product, water conveying channels are added, uneven product shrinkage is avoided, the problems of appearance and inward shrinkage deformation of the product are effectively solved, the production yield is greatly improved, and the production aging is guaranteed.
The two opposite side surfaces of the rear mold insert 2 are respectively provided with a side molding groove 21, and the upper surfaces of the third insert 5 and the fourth insert 6 are respectively provided with an end molding groove 22 in a concave manner. The internal structure of the product is formed through the side forming grooves 21, and the surface mounting hole sites of the product are formed through the end forming grooves 22.
The first water conveying channel 9 comprises a first horizontal section, a second horizontal section and a first vertical section, the first horizontal section and the second horizontal section are mutually communicated to form a cross shape, and one ends, far away from the rear mold insert 2, of the first horizontal section and the second horizontal section are connected with the first vertical section. The first insert 3 and the second insert 4 are cooled by the first water carrying channel 9.
The second water transporting channel 10 comprises a third horizontal section, a second vertical section and a third vertical section, the second vertical section and the third vertical section are parallel to each other, and the upper ends of the second vertical section and the third vertical section are communicated with the third horizontal section. The third insert 5 and the fourth insert 6 are cooled by the second water carrying channel 10.
And one ends of the first insert 3 and the second insert 4, which are far away from the rear mold insert 2, are respectively provided with a first ejection hole, and the third insert 5 and the fourth insert 6 are respectively provided with a second ejection hole at two sides of the end part molding groove 22. The first ejection hole and the second ejection hole are used for the penetration of the ejector pin, and the stress on the part of the product end forming groove 22 is uniform during material removal.
And a main ejection hole is formed in the edge part of the rear mold insert 2. The main ejection hole is used for the penetration of an ejector pin, so that the material can be conveniently removed, and the stress of the product is uniform during material removal.
The first through groove, the second through groove, the third through groove and the fourth through groove are all concavely provided with limiting grooves, the lower ends of the first insert 3, the second insert 4, the third insert 5 and the fourth insert 6 are all convexly provided with limiting blocks, and the limiting blocks are arranged in the limiting grooves in a one-to-one correspondence mode. The limiting block is matched with the limiting groove to position the first insert 3, the second insert 4, the third insert 5 and the fourth insert 6.
The limiting groove extends along the length direction of the rear mold insert 2. The limiting groove is prolonged, so that the limiting block is changed into a limiting groove, and the limiting block is convenient to be arranged in the limiting groove.
The first insert 3, the second insert 4, the third insert 5 and the fourth insert 6 are all beryllium copper inserts. The injection molding speed of the mold is accelerated by utilizing the characteristic of high cooling speed of beryllium copper.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (9)
1. The utility model provides an improve injection mold that square product warp which characterized in that: comprises a rear die core, wherein the middle part of the rear die core is provided with a square groove, a rear die insert is embedded in the square groove, the corner part of the rear mould insert is provided with a first through groove, a second through groove, a third through groove and a fourth through groove, a first insert is embedded in the first through groove, a second insert is embedded in the second through groove, a third insert is embedded in the third through groove, a fourth insert is embedded in the fourth through groove, the rear mold insert is provided with a first connecting channel and a second connecting channel, the first insert and the second insert are communicated through a first connecting channel, the third insert and the fourth insert are communicated through a second connecting channel, the first insert and the second insert are both provided with a first water conveying channel communicated with the first connecting channel, and the third insert and the fourth insert are respectively provided with a second water conveying channel communicated with the second connecting channel, and the first connecting channel and the second connecting channel are bent towards the middle part of the rear mold core to form a V shape.
2. An injection mold for improving the deformation of a square product according to claim 1, wherein: the two opposite side surfaces of the rear mold insert are respectively provided with a side molding groove, and the upper surfaces of the third insert and the fourth insert are respectively concavely provided with an end molding groove.
3. An injection mold for improving the deformation of a square product according to claim 1, wherein: the first water conveying channel comprises a first horizontal section, a second horizontal section and a first vertical section, the first horizontal section and the second horizontal section are mutually communicated to form a cross shape, and one ends, far away from the rear mold insert, of the first horizontal section and the second horizontal section are connected with the first vertical section.
4. An injection mold for improving the deformation of a square product according to claim 1, wherein: the second water transporting channel comprises a third horizontal section, a second vertical section and a third vertical section, the second vertical section and the third vertical section are parallel to each other, and the upper ends of the second vertical section and the third vertical section are communicated with the third horizontal section.
5. An injection mold for improving the deformation of a square product according to claim 2, wherein: and one ends of the first insert and the second insert, which are far away from the rear mold insert, are respectively provided with a first ejection hole, and the third insert and the fourth insert are respectively provided with a second ejection hole at two sides of the end part forming groove.
6. An injection mold for improving the deformation of square products according to claim 5, wherein: and a main ejection hole is formed in the edge part of the rear mold insert.
7. An injection mold for improving the deformation of a square product according to claim 1, wherein: the first through groove, the second through groove, the third through groove and the fourth through groove are all concavely provided with limiting grooves, limiting blocks are all convexly arranged at the lower ends of the first insert, the second insert, the third insert and the fourth insert, and the limiting blocks are arranged in the limiting grooves in a one-to-one correspondence mode.
8. An injection mold for improving the deformation of a square product according to claim 7, wherein: the limiting groove extends along the length direction of the rear mold insert.
9. An injection mold for improving the deformation of a square product according to claim 7, wherein: the first insert, the second insert, the third insert and the fourth insert are beryllium copper inserts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122056312.2U CN215619723U (en) | 2021-08-30 | 2021-08-30 | Injection mold for improving deformation of square product |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122056312.2U CN215619723U (en) | 2021-08-30 | 2021-08-30 | Injection mold for improving deformation of square product |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215619723U true CN215619723U (en) | 2022-01-25 |
Family
ID=79903650
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122056312.2U Active CN215619723U (en) | 2021-08-30 | 2021-08-30 | Injection mold for improving deformation of square product |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215619723U (en) |
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2021
- 2021-08-30 CN CN202122056312.2U patent/CN215619723U/en active Active
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