CN216804325U - Injection mold is with correcting unit that excessively moulds plastics - Google Patents
Injection mold is with correcting unit that excessively moulds plastics Download PDFInfo
- Publication number
- CN216804325U CN216804325U CN202123424414.1U CN202123424414U CN216804325U CN 216804325 U CN216804325 U CN 216804325U CN 202123424414 U CN202123424414 U CN 202123424414U CN 216804325 U CN216804325 U CN 216804325U
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- Prior art keywords
- groove
- mold
- injection
- correction device
- control device
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- 238000002347 injection Methods 0.000 title claims abstract description 39
- 239000007924 injection Substances 0.000 title claims abstract description 39
- 239000004033 plastic Substances 0.000 title description 8
- 229920003023 plastic Polymers 0.000 title description 8
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 18
- 238000010992 reflux Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000001746 injection moulding Methods 0.000 claims description 28
- 238000005086 pumping Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000007723 die pressing method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000010137 moulding (plastic) Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model discloses an excessive injection correction device for an injection mold, which comprises the injection mold and the excessive injection correction device, wherein the injection mold comprises an upper mold and a lower mold, the upper mold is provided with an upper mold cavity, a material guide groove is arranged inside the upper die and is communicated with the upper die cavity, the lower die is provided with a lower die cavity, a reflux groove and a plurality of first empty grooves are arranged inside the lower die, meanwhile, a pressure sensor is arranged between the upper die and the lower die, the excessive injection correction device is arranged in the reflux groove and comprises a rotating rod, a sealing block and a rotating block, the rotating block is sleeved at the upper end of the rotating rod, the sealing block is sleeved at the lower end of the rotating rod, and the rotating block is provided with a plurality of second empty grooves, the inside of the lower die is provided with a material guiding groove, the material guiding groove is communicated with the return groove, and the inner wall of the return groove is provided with a liquid level sensor.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an excessive injection correction device for an injection mold.
Background
The production process of the product refers to the whole process from the input of raw materials to the output of finished products, and generally comprises a technological process, an inspection process, a transportation process, a waiting stop process and a natural process, wherein the technological process is the most basic part of the production process, and can be generally divided into three stages of blank manufacturing, part processing and product assembly for a mechanical manufacturing process;
injection molding is a method for producing and molding industrial products, the products generally adopt rubber injection molding and plastic injection molding, and the injection molding can also be divided into injection molding die pressing method and die casting method, an injection molding machine is main molding equipment for manufacturing thermoplastic plastics or thermosetting materials into plastic products with various shapes by utilizing a plastic molding die, and the injection molding is realized by an injection molding machine and a die;
the injection mold is a tool for producing plastic products and is also a tool for endowing the plastic products with complete structures and accurate sizes, particularly, heated and melted plastics are injected into a mold cavity from an injection molding machine at high pressure and are cooled and fixed to obtain a formed product, however, the existing injection mold structure has certain defects in use, and the pressure in the mold cavity cannot be detected during injection molding, so that the possibility of excessive injection molding melting materials is caused, and the quality of the injection molding products is influenced;
the excessive injection molding correction device is an improved device suitable for a plastic mold, and most of the traditional excessive injection molding correction devices are provided with a pressure sensor in the mold, so that the pressure in a mold cavity is monitored, whether excessive injection molding exists or not is judged, and then the injection amount is controlled.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an excessive injection correction device for an injection mold.
The technical scheme adopted by the utility model for solving the technical problems is as follows: an excessive injection correction device for an injection mold comprises the injection mold and the excessive injection correction device, wherein the injection mold comprises an upper mold and a lower mold, the upper mold is provided with an upper mold cavity, a guide chute is arranged inside the upper mold, the guide chute is mutually communicated with the upper mold cavity, the lower mold is provided with a lower mold cavity, a reflux chute and a plurality of first empty chutes are arranged inside the lower mold, and meanwhile, a pressure sensor is arranged between the upper mold and the lower mold;
the excessive injection molding correction device is arranged inside the reflux groove and comprises a rotating rod, a sealing block and a rotating block, the rotating block is sleeved at the upper end of the rotating rod, the sealing block is sleeved at the lower end of the rotating rod, and the rotating block is provided with a plurality of second empty grooves;
the inside of lower mould is equipped with the guide groove, guide groove and backwash tank intercommunication each other, and level sensor is installed to the inner wall of backwash tank.
Preferably, the correction device for excessive injection molding further comprises a driving motor and a first control device, the driving motor is in driving connection with the rotating rod, the pressure sensor is in signal connection with the first control device, and the first control device is in control connection with the driving motor.
Preferably, the correction device for excessive injection molding further comprises a liquid pumping device and a second control device, the liquid level sensor is in signal connection with the second control device, and the second control device is in control connection with the liquid pumping device.
Preferably, the backflow groove is positioned below the material guiding groove, and the first empty groove and the second empty groove are the same in shape.
Preferably, a material guiding pipe is arranged inside the drainage groove, and one end of the material guiding pipe extends to the bottom of the backflow groove.
Compared with the prior art, the utility model has the beneficial effects that:
when the pressure sensor detects that the pressure inside the mold cavity is too high, the driving motor operates and drives the rotating block to rotate, the first empty groove corresponds to the second empty groove in position, so that injection molding liquid inside the mold cavity flows into the backflow groove from the second empty groove, then the driving motor resets, and the rotating block rotates again, so that the first empty groove and the second empty groove are staggered, and when the liquid level sensor detects that the injection molding liquid inside the backflow groove is too much, the liquid pumping device is started, and the injection molding liquid inside the backflow groove is pumped away through the material guiding pipe.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural diagram of an over-injection correction device according to the present invention;
FIG. 3 is a schematic view of the structure of the rotating block of the present invention;
FIG. 4 is a schematic diagram of the connection of the pressure sensor of the present invention;
FIG. 5 is a schematic view of the connection of the level sensor of the present invention.
Reference numbers in the figures:
the device comprises an upper die 1, an upper die cavity 2, a guide chute 3, a drainage groove 4, a lower die 5, a lower die cavity 6, a reflux groove 7, a liquid level sensor 8, a rotating block 9, a material guiding pipe 10, a sealing block 11, a rotating rod 12 and a second empty groove 13.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-5, the utility model provides an excessive injection correction device for an injection mold, which comprises an injection mold and an excessive injection correction device, wherein the injection mold comprises an upper mold 1 and a lower mold 5, the upper mold 1 is provided with an upper mold cavity 2, a material guide groove 3 is arranged inside the upper mold 1, the material guide groove 3 is communicated with the upper mold cavity 2, the lower mold 5 is provided with a lower mold cavity 6, a reflux groove 7 and a plurality of first empty grooves are arranged inside the lower mold 5, and a pressure sensor is arranged between the upper mold 1 and the lower mold 5;
the excessive injection molding correction device is arranged inside the reflux groove 7 and comprises a rotating rod 12, a sealing block 11 and a rotating block 9, the rotating block 9 is sleeved at the upper end of the rotating rod 12, the sealing block 11 is sleeved at the lower end of the rotating rod 12, and the rotating block 9 is provided with a plurality of second empty grooves 13;
the inside of lower mould 5 is equipped with guide groove 4, guide groove 4 and backward flow groove 7 intercommunication each other, and level sensor 8 is installed to the inner wall of backward flow groove 7.
The excessive injection molding correction device further comprises a driving motor and a first control device, the driving motor is in driving connection with the rotating rod 12, the pressure sensor is in signal connection with the first control device, and the first control device is in control connection with the driving motor.
The excessive injection molding correction device further comprises a liquid pumping device and a second control device, the liquid level sensor is in signal connection with the second control device, and the second control device is in control connection with the liquid pumping device.
The backflow groove 7 is positioned below the material guiding groove 4, and the first empty groove and the second empty groove 13 are the same in shape.
The inside of drainage groove 4 is equipped with and draws material pipe 10, the bottom that wherein one end of drawing material pipe 10 extended to backward flow groove 7, and the other one end of drainage groove 4 is connected with the output of drawing liquid device.
When the pressure sensor detects that the pressure inside the mold cavity is too high, the driving motor runs and drives the rotating block to rotate, the first empty groove corresponds to the second empty groove in position, so that the injection molding liquid inside the mold cavity flows into the reflux groove from the second empty groove, then the driving motor resets, and the rotating block rotates once again, so that the first empty groove and the second empty groove are staggered, and when the liquid level sensor detects that the injection molding liquid inside the reflux groove is too much, the liquid pumping device is started, and the injection molding liquid inside the reflux groove is pumped away through the material guiding pipe.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The excessive injection correction device for the injection mold is characterized by comprising the injection mold and the excessive injection correction device, wherein the injection mold comprises an upper mold and a lower mold, the upper mold is provided with an upper mold cavity, a guide chute is arranged inside the upper mold, the guide chute is mutually communicated with the upper mold cavity, the lower mold is provided with a lower mold cavity, a reflux groove and a plurality of first empty grooves are arranged inside the lower mold, and a pressure sensor is arranged between the upper mold and the lower mold;
the excessive injection correction device is arranged in the reflux groove and comprises a rotating rod, a sealing block and a rotating block, the rotating block is sleeved at the upper end of the rotating rod, the sealing block is sleeved at the lower end of the rotating rod, and the rotating block is provided with a plurality of second empty grooves;
the inside of lower mould is equipped with the drainage groove, the drainage groove communicates with the backward flow groove each other, and level sensor is installed to the inner wall of backward flow groove.
2. The excessive injection correction device for the injection mold according to claim 1, wherein the excessive injection correction device further comprises a driving motor and a first control device, the driving motor is in driving connection with the rotating rod, the pressure sensor is in signal connection with the first control device, and the first control device is in control connection with the driving motor.
3. The correction device for excessive injection molding of an injection mold according to claim 1, further comprising a liquid pumping device and a second control device, wherein the liquid level sensor is in signal connection with the second control device, and the second control device is in control connection with the liquid pumping device.
4. The apparatus of claim 1, wherein the backflow groove is located below the drainage groove, and the first empty groove and the second empty groove have the same shape.
5. The excessive injection correction device for the injection mold according to claim 1, wherein a material guiding pipe is arranged inside the drainage groove, and one end of the material guiding pipe extends to the bottom of the reflux groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123424414.1U CN216804325U (en) | 2021-12-31 | 2021-12-31 | Injection mold is with correcting unit that excessively moulds plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123424414.1U CN216804325U (en) | 2021-12-31 | 2021-12-31 | Injection mold is with correcting unit that excessively moulds plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216804325U true CN216804325U (en) | 2022-06-24 |
Family
ID=82061687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123424414.1U Expired - Fee Related CN216804325U (en) | 2021-12-31 | 2021-12-31 | Injection mold is with correcting unit that excessively moulds plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216804325U (en) |
-
2021
- 2021-12-31 CN CN202123424414.1U patent/CN216804325U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |