CN218640215U - High-precision injection mold - Google Patents
High-precision injection mold Download PDFInfo
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- CN218640215U CN218640215U CN202222469368.5U CN202222469368U CN218640215U CN 218640215 U CN218640215 U CN 218640215U CN 202222469368 U CN202222469368 U CN 202222469368U CN 218640215 U CN218640215 U CN 218640215U
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- 238000002347 injection Methods 0.000 title claims abstract description 23
- 239000007924 injection Substances 0.000 title claims abstract description 23
- 238000007789 sealing Methods 0.000 claims description 10
- 150000001875 compounds Chemical class 0.000 abstract description 23
- 238000001746 injection moulding Methods 0.000 abstract description 8
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 description 5
- 238000000465 moulding Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of plastic injection molding, in particular to a high-precision injection mold, which comprises an upper mold device and a lower mold device, wherein the upper mold device comprises an upper mold body, a forming table arranged on one surface of the upper mold body, a contraposition boss arranged on the upper mold body and positioned at the outer edge of the forming table, and a mold closing guide block positioned outside the upper mold body; the lower die device comprises a lower die body used for being matched with an upper die body, a forming cavity is formed in one surface of the lower die body facing the forming table, an alignment groove matched with the alignment boss is formed in the outer side of the forming cavity, a die assembly guide groove is formed in the outer side of the lower die body, and the die assembly guide groove corresponds to the die assembly guide block. The utility model provides a current problem that needs pass through the guide arm compound die, adopt compound die guide block and compound die guide way to cooperate the direction, need not keep connecting always, the practicality is strong.
Description
Technical Field
The utility model relates to a plastics technical field especially relates to a high accuracy injection mold that moulds plastics.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification.
Current injection mold links together two die bodies mostly through the guide arm, guarantees the uniformity that both connect, nevertheless because the guide arm is erect and is established between two die bodies, can be by the separation when the material is got in the drawing of patterns, the influence is got the material, especially in automation equipment, can't avoid the guide arm basically and get the material, so need improve injection mold.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a solve the problem that present needs pass through the guide arm compound die, adopted compound die guide block and compound die guide way to cooperate the direction, need not keep always connecting, the high accuracy injection mold that the practicality is strong.
The utility model adopts the technical proposal that: a high-precision injection mold comprises an upper mold device and a lower mold device, wherein the upper mold device comprises an upper mold body, a forming table arranged on one surface of the upper mold body, a contraposition boss arranged on the upper mold body and positioned on the outer edge of the forming table, and a mold closing guide block positioned on the outer side of the upper mold body; the lower die device comprises a lower die body used for being matched with the upper die body, a forming cavity is formed in one surface, facing the forming table, of the lower die body, an alignment groove matched with the alignment boss is formed in the outer side of the forming cavity, a die assembly guide groove is formed in the outer side of the lower die body, and the die assembly guide groove corresponds to the die assembly guide block.
The further improvement of the scheme is that a driving device is arranged at the top end of the upper die body and used for driving the upper die body to move towards the lower die body.
The further improvement of the scheme is that the alignment boss is integrally processed and formed on the upper die body and positioned outside the forming table.
The scheme is further improved in that the outer side of the alignment boss is provided with an arc edge.
The further improvement to the above scheme is that a sealing groove is formed in one side of the arc edge, and a sealing ring is arranged in the sealing groove.
The further improvement of the scheme is that the mold closing guide blocks are provided with two or more than two.
The further improvement of the scheme is that the die closing guide block is detachably arranged on the outer side of the upper die body.
The further improvement of the scheme is that the die assembly guide block is provided with a guide inclined plane and a positioning surface.
The further improvement of the scheme is that the die assembly guide groove is provided with a guide sloping platform and a close attaching surface, the guide sloping platform is used for being matched with the guide inclined plane, and the close attaching surface is used for being matched with the positioning surface.
The further improvement of the scheme is that the alignment groove is integrally formed on the lower die body and positioned on the outer side of the forming cavity.
The utility model has the advantages that:
compare current injection mold, the utility model discloses need not connect through the guide arm, adopt compound die guide block and compound die guide way to cooperate and carry out the counterpoint direction, the precision of compound die has been guaranteed, still have the counterpoint boss and counterpoint recess under the cooperation, can guarantee the structure precision behind die body and the lower die body compound die, it is effectual to product injection moulding behind the compound die, the structure precision is high, the problem that the guide arm compound die is passed through to the current needs has been solved, adopt compound die guide block and compound die guide way to cooperate the direction, need not keep connecting always, therefore, the clothes hanger is strong in practicability. The die comprises an upper die device and a lower die device, wherein the upper die device comprises an upper die body, a forming table arranged on one surface of the upper die body, an alignment boss arranged on the upper die body and positioned on the outer edge of the forming table, and a die assembly guide block positioned on the outer side of the upper die body; the lower die device comprises a lower die body used for being matched with an upper die body, a forming cavity is formed in one surface of the lower die body facing the forming table, an alignment groove matched with the alignment boss is formed in the outer side of the forming cavity, a die assembly guide groove is formed in the outer side of the lower die body, and the die assembly guide groove corresponds to the die assembly guide block. When two die bodies are matched, matched die guiding is carried out through the matched die guide block and the matched die guide groove, the matched die precision is high, the structure guiding is stable, the two are directly separated after being de-molded, no guide rod is connected, and de-molding and material taking are convenient.
Drawings
Fig. 1 is a schematic structural view of the high-precision injection mold of the present invention;
FIG. 2 is a schematic structural view of the high-precision injection mold shown in FIG. 1 from another perspective;
fig. 3 is an enlarged schematic view of a in fig. 2.
Description of the reference numerals: the mold comprises an upper mold device 1, an upper mold body 11, a driving device 111, a molding table 12, an alignment boss 13, an arc edge 131, a seal ring 132, a mold closing guide block 14, a guide inclined surface 141, a positioning surface 142, a lower mold device 2, a lower mold body 21, a molding cavity 22, an alignment groove 23, a mold closing guide groove 24, a guide inclined table 241 and a contact surface 242.
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are illustrated in the accompanying drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.
As shown in fig. 1 to 3, a high-precision injection mold is provided with an upper mold device 1 and a lower mold device 2, wherein the upper mold device 1 comprises an upper mold body 11, a forming table 12 arranged on one surface of the upper mold body 11, a positioning boss 13 arranged on the upper mold body 11 and located at the outer edge of the forming table 12, and a mold closing guide block 14 located at the outer side of the upper mold body 11; the lower die device 2 comprises a lower die body 21 used for being matched with the upper die body 11, a forming cavity 22 is formed in one surface, facing the forming table 12, of the lower die body 21, an alignment groove 23 matched with the alignment boss 13 is formed in the outer side of the forming cavity 22, a die assembly guide groove 24 is formed in the outer side of the lower die body 21, and the die assembly guide groove 24 corresponds to the die assembly guide block 14.
The top end of the upper mold body 11 is provided with a driving device 111, the driving device 111 is used for driving the upper mold body 11 to move towards the lower mold body 21, in this embodiment, the lower mold body 21 may be fixed, and the driving device 111 is used for driving the upper mold body 11 and the lower mold body 21 to be matched for product injection molding, and in this embodiment, the lower mold body 21 is connected to an injection molding machine to perform injection molding on a product.
The alignment boss 13 is integrally formed on the upper die body 11 and located outside the forming table 12, and an integrally formed structure is adopted, so that the structure is good in integrity, reliable in structure and high in precision.
The arc edge 131 is arranged on the outer side of the alignment boss 13, the arc edge 131 can play a role in guiding when being matched with the alignment groove 23, and guiding precision is high during die assembly.
The seal groove has been seted up to one side of arc edge 131, the built-in sealing washer 132 that is equipped with of seal groove, through under seal groove and the cooperation of sealing washer 132, form sealed chamber after the compound die, it is sealed effectual, sealing washer 132 in this embodiment is high temperature resistance sealing washer 132.
The die closing guide blocks 14 are provided with two or more than two, two are arranged on two sides, and four are provided with alignment structures formed at four corners, so that the die closing precision is enhanced.
The die assembly guide block 14 is detachably mounted on the outer side of the upper die body 11, and the die assembly guide block 14 in a detachable design is adopted, so that the die assembly guide block is convenient to disassemble, assemble and use.
The mold closing guide block 14 is provided with a guide inclined surface 141 and a positioning surface 142, and the further improvement is that the mold closing guide groove 24 is provided with a guide inclined table 241 and a close attaching surface 242, the guide inclined table 241 is used for being matched with the guide inclined surface 141, the close attaching surface 242 is used for being matched with the positioning surface 142, in the mold closing process, a guide effect is formed after the guide inclined table 241 is matched with the guide inclined surface 141 to be in contact, and after mold closing is in place, the close attaching surface 242 is attached through the positioning surface 142, and the structure precision is further ensured.
The alignment groove 23 is integrally formed in the lower mold body 21 and located outside the molding cavity 22, and in this embodiment, an integrally formed structure is adopted, so that the structural accuracy is high.
The utility model discloses need not connect through the guide arm, adopt compound die guide block 14 and compound die guide way 24 to cooperate and counterpoint the direction, the precision of compound die has been guaranteed, still have counterpoint boss 13 and counterpoint recess 23 under the cooperation, can guarantee the structure precision after mould body 11 and the lower mould body 21 compound die, it is effectual to product injection moulding behind the compound die, the structure precision is high, the problem that the current needs pass through the guide arm compound die has been solved, adopt compound die guide block 14 and compound die guide way 24 to cooperate the direction, do not need to keep connecting always, therefore, the clothes hanger is strong in practicability. Specifically, an upper die device 1 and a lower die device 2 are provided, wherein the upper die device 1 comprises an upper die body 11, a forming table 12 arranged on one surface of the upper die body 11, a contraposition boss 13 arranged on the upper die body 11 and positioned at the outer edge of the forming table 12, and a die assembly guide block 14 positioned on the outer side of the upper die body 11; the lower die device 2 comprises a lower die body 21 used for being matched with the upper die body 11, a forming cavity 22 is formed in one surface, facing the forming table 12, of the lower die body 21, an alignment groove 23 matched with the alignment boss 13 is formed in the outer side of the forming cavity 22, a die assembly guide groove 24 is formed in the outer side of the lower die body 21, and the die assembly guide groove 24 corresponds to the die assembly guide block 14. When the two die bodies are matched, the die matching guide block 14 and the die matching guide groove 24 are used for conducting die matching guide, the die matching precision is high, the structure guide is stable, the two die bodies are directly separated after demolding, no guide rod is connected, and demolding and material taking are convenient.
The above examples only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (10)
1. The utility model provides a high accuracy injection mold which characterized in that: comprises that
The mould pressing device comprises an upper mould body, a forming table, an alignment boss and a mould closing guide block, wherein the forming table is arranged on one surface of the upper mould body;
the lower die device comprises a lower die body used for being matched with the upper die body, a forming cavity is formed in one surface, facing the forming table, of the lower die body, an alignment groove matched with the alignment boss is formed in the outer side of the forming cavity, a die assembly guide groove is formed in the outer side of the lower die body, and the die assembly guide groove corresponds to the die assembly guide block.
2. The high-precision injection mold according to claim 1, characterized in that: and the top end of the upper die body is provided with a driving device, and the driving device is used for driving the upper die body to move towards the lower die body.
3. The high precision injection mold of claim 1, wherein: the contraposition boss is formed on the upper die body through integrated processing and is positioned on the outer side of the forming table.
4. A high precision injection mold according to claim 3, wherein: and the outer side of the alignment boss is provided with an arc edge.
5. The high precision injection mold of claim 4, wherein: a sealing groove is formed in one side of the arc edge, and a sealing ring is arranged in the sealing groove.
6. The high precision injection mold of claim 1, wherein: the die closing guide blocks are two or more than two.
7. The high-precision injection mold according to claim 1, characterized in that: the die closing guide block is detachably mounted on the outer side of the upper die body.
8. The high-precision injection mold according to claim 1, characterized in that: the die assembly guide block is provided with a guide inclined plane and a positioning surface.
9. The high precision injection mold of claim 8, wherein: the die assembly guide groove is provided with a guide sloping platform and a close-fitting surface, the guide sloping platform is used for being matched with the guide inclined plane, and the close-fitting surface is used for being matched with the positioning surface.
10. The high precision injection mold of claim 1, wherein: the alignment groove is integrally formed in the lower die body and located on the outer side of the forming cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222469368.5U CN218640215U (en) | 2022-09-16 | 2022-09-16 | High-precision injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222469368.5U CN218640215U (en) | 2022-09-16 | 2022-09-16 | High-precision injection mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218640215U true CN218640215U (en) | 2023-03-17 |
Family
ID=85493448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222469368.5U Active CN218640215U (en) | 2022-09-16 | 2022-09-16 | High-precision injection mold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218640215U (en) |
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2022
- 2022-09-16 CN CN202222469368.5U patent/CN218640215U/en active Active
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