CN210791882U - Special pressure control's of moulding plastics heat accuse board - Google Patents
Special pressure control's of moulding plastics heat accuse board Download PDFInfo
- Publication number
- CN210791882U CN210791882U CN201921265817.6U CN201921265817U CN210791882U CN 210791882 U CN210791882 U CN 210791882U CN 201921265817 U CN201921265817 U CN 201921265817U CN 210791882 U CN210791882 U CN 210791882U
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- block
- pressure relief
- plate body
- pressure
- groove
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- 229920003023 plastic Polymers 0.000 title claims abstract description 17
- 239000004033 plastic Substances 0.000 title claims abstract description 17
- 238000000465 moulding Methods 0.000 title claims abstract description 8
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 230000001105 regulatory effect Effects 0.000 claims description 15
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 238000007789 sealing Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process 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
- 239000012768 molten material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
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- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model discloses a special pressure control's of moulding plastics heat accuse board, which comprises a plate body, including sprue and a plurality of subchannel, its characterized in that in the plate body: the utility model discloses a plastic injection molding device, including plate body, runner, baffle.
Description
Technical Field
The utility model relates to a hot runner system technical field, more specifically say, it relates to a special pressure control's of moulding plastics heat accuse board.
Background
The thermal control plate, also known as a hot runner manifold, is the component that distributes the molten material and transports the molten plastic from the injection molding machine into the mold cavity of the mold. The purpose of this is to deliver the molten raw material to the nozzle without changing the state of the molten stream as much as possible under the influence of friction and shear forces and heat. The thermal control plate is a part of a hot runner system, and the thermal control plate, a hot nozzle, a temperature control box, a heating pipe and the like form the hot runner system.
For best results, the design flow of the thermal control plate should include detailed analysis of the injection molding product application, such as product quality, material type and process expectation. In thermal control plate designs, for example, melt flowing in different lengths within the thermal control plate to each nozzle can cause imbalance between mold cavities, which in turn can result in different product sizes. The existing thermal control plate achieves balance by designing the trend and length of a flow channel, but because the existing product needs to be thinner and thinner or thinner, the storage capacity in the flow channel is larger, the pressure loss in the thermal control plate is large, the material in the flow channel is decomposed, and then carbonization is caused, so improvement is needed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a special pressure control's of moulding plastics heat accuse board, its advantage that has the internal pressure of heat accuse board of can adjusting satisfies the production demand.
In order to achieve the above purpose, the utility model provides a following technical scheme:
the utility model provides a special pressure control's of moulding plastics heat accuse board, includes the plate body, including sprue and a plurality of subchannel, its characterized in that in the plate body: the utility model discloses a set up the assembly structure of the high-pressure heater, including plate body, the plate body is provided with the communicating spout of corner with the subchannel, be provided with the regulating block of the sectional area size of adjusting the corner through sliding in the spout, the subchannel inner wall is provided with the stopper that is used for with regulating block terminal surface butt, the inner wall that the subchannel is located the regulating block top is provided with expands the appearance chamber, the plate body is provided with the communicating mounting groove with the spout, be provided with the driving piece that is used for driving the regulating.
Preferably, the driving piece comprises a screw rod which penetrates through the side face of the plate body and is in threaded connection with the adjusting block, and a driving block connected with the end part of the screw rod is rotatably arranged on the side face of the plate body.
Preferably, the driving piece is including sliding the movable block that sets up in the mounting groove and being used for driving the hydro-cylinder that the movable block slided from top to bottom, the movable block lower extreme passes through the inclined plane cooperation with the regulating block, be provided with T type groove on the inclined plane of regulating block, be provided with T type piece on the inclined plane of movable block.
Preferably, the inner wall of the expansion cavity is provided with a pressure relief channel, the plate body is provided with a pressure relief groove communicated with the pressure relief channel, a pressure relief block is arranged in the pressure relief groove in a sliding manner, and a compression spring for abutting the pressure relief block against the bottom of the pressure relief groove is arranged in the pressure relief groove.
Preferably, the plate body is in threaded connection with a convex cover of the cover pressure relief groove, the pressure relief block is a concave block matched with the convex block, and the compression spring is sleeved between the convex cover and the concave block.
Preferably, the adjusting block is provided with a sealing ring attached to the inner wall of the sliding groove.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the volume of the corner of the runner can be adjusted through the adjusting block, when plastic passes through the corner, when the cross section of the corner is smaller than that of the runner, the pressure of the plastic flowing through the corner is reduced, and through the arrangement of the expansion cavity, the volume of the corner can be increased through the sliding adjusting block, so that the plastic is accumulated, and the injection pressure is increased after the plastic flows through the corner;
2. the adjusting block can be driven by a screw rod or a T-shaped block, and the mounting position of the driving piece can be adjusted according to the structure of the die, so that the flexible layout of the driving piece is realized;
3. through setting up pressure release groove and pressure release piece, can release pressure when the subchannel internal pressure surge, drive compression spring deformation through pressure, make the pressure release piece slide and offset internal pressure and realize the pressure release, prevent that the superpressure from causing the damage to components such as hot nozzle, realize the regulation of pressure release through rotating protruding type lid.
Drawings
Fig. 1 is a schematic structural diagram of the present embodiment.
In the figure: 1. a plate body; 11. a main flow channel; 12. a shunt channel; 121. a limiting block; 13. a chute; 14. expanding the cavity; 15. mounting grooves; 151. a screw; 152. a moving block; 1521. a T-shaped block; 16. a drive block; 17. a pressure relief channel; 18. a pressure relief groove; 181. releasing the pressure block; 182. a compression spring; 19. a convex cover; 2. an adjusting block; 21. a T-shaped groove; 22. a seal ring; 3. and an oil cylinder.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A hot control panel of special pressure control of moulding plastics, refer to fig. 1, it includes the plate body 1, include the main runner 11 and several subchannel 12 in the plate body 1, there are chutes 13 communicated with corner of the subchannel 12 in the plate body 1, there are regulating blocks 2 of sectional area size of the corner through slipping in the chute 13, there are stoppers 121 used for abutting with the terminal surface of regulating block 2 on the inner wall of subchannel 12, can make the subchannel 12 locate the volume of the corner to reduce through the movement of the regulating block 2, thus reduce the pressure of the plastic entering the hot nozzle; the inner wall of the sub-runner 12 above the adjusting block 2 is provided with an expansion cavity 14 for increasing the volume of the sub-runner 12 at the corner, so that the pressure of the plastic flowing into the hot nozzle is increased by increasing the pressure of the plastic flowing through the corner, and the stepless adjustment of the runner pressure is realized by the sliding of the adjusting block 2; the plate body 1 is provided with a mounting groove 15 communicated with the sliding groove 13, and a driving piece for driving the adjusting block 2 to slide is arranged in the mounting groove 15.
The driving piece comprises a screw rod 151 which penetrates through the side surface of the plate body 1 and is in threaded connection with the adjusting block 2, a driving block 16 which is connected with the end part of the screw rod 151 is rotatably arranged on the side surface of the plate body 1, and the adjusting block 2 can be driven from the side surface of the plate body 1; the driving piece comprises a moving block 152 arranged in the mounting groove 15 in a sliding manner and an oil cylinder 3 used for driving the moving block 152 to slide up and down, the lower end of the moving block 152 is matched with the adjusting block 2 through an inclined surface, a T-shaped groove 21 is arranged on the inclined surface of the adjusting block 2, a T-shaped block 1521 is arranged on the inclined surface of the moving block 152, the vertical motion of the moving block 152 is converted into the horizontal motion of the adjusting block 2 through the matching of the T-shaped groove on the inclined surface and the T-shaped block 1521, and the oil cylinder 3 is arranged on the surface of the plate; the driving parts arranged at different positions can meet different die structures, and the installation is flexible.
The inner wall of the expansion cavity 14 is provided with a pressure relief channel 17, the plate body 1 is provided with a pressure relief groove 18 communicated with the pressure relief channel 17, a pressure relief block 181 is slidably arranged in the pressure relief groove 18, and a compression spring 182 for tightly pressing the pressure relief block 181 against the bottom of the pressure relief groove 18 is arranged in the pressure relief groove 18. Plate body 1 threaded connection has the protruding type lid 19 of shroud pressure relief groove 18, pressure relief piece 181 be with protruding type piece complex concave type piece, compression spring 182 cover is established between protruding type lid 19 and concave type piece, through setting up pressure relief groove 18 and pressure relief piece 181, pressure relief when can be in subchannel 12 internal pressure surge, drive compression spring 182 deformation through pressure, make pressure relief piece 181 slide and offset internal pressure and realize the pressure relief, prevent that the superpressure from causing the damage to components such as hot nozzle, realize the regulation of pressure release size through rotating protruding type lid 19.
The adjusting block 2 is provided with a sealing ring 22 attached to the inner wall of the sliding groove 13, so that the sealing performance of the adjusting block 2 is improved, and glue leakage is prevented.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications without inventive contribution to the present embodiment as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a special pressure control's of moulding plastics heat accuse board, includes the plate body, including sprue and a plurality of subchannel, its characterized in that in the plate body: the utility model discloses a set up the assembly structure of the high-pressure heater, including plate body, the plate body is provided with the communicating spout of corner with the subchannel, be provided with the regulating block of the sectional area size of adjusting the corner through sliding in the spout, the subchannel inner wall is provided with the stopper that is used for with regulating block terminal surface butt, the inner wall that the subchannel is located the regulating block top is provided with expands the appearance chamber, the plate body is provided with the communicating mounting groove with the spout, be provided with the driving piece that is used for driving the regulating.
2. The injection molding dedicated pressure controlled thermal control plate of claim 1, wherein: the driving piece comprises a screw rod which penetrates through the side face of the plate body and is in threaded connection with the adjusting block, and a driving block which is connected with the end part of the screw rod is rotatably arranged on the side face of the plate body.
3. The injection molding dedicated pressure controlled thermal control plate of claim 1, wherein: the driving piece is including sliding the hydro-cylinder that sets up the movable block in the mounting groove and be used for driving the movable block and slide from top to bottom, the movable block lower extreme passes through the inclined plane cooperation with the regulating block, be provided with T type groove on the inclined plane of regulating block, be provided with T type piece on the inclined plane of movable block.
4. The injection molding dedicated pressure controlled thermal control plate of claim 1, wherein: the expansion cavity inner wall is provided with a pressure relief channel, the plate body is provided with a pressure relief groove communicated with the pressure relief channel, a pressure relief block is arranged in the pressure relief groove in a sliding mode, and a compression spring which abuts against the pressure relief block at the bottom of the pressure relief groove is arranged in the pressure relief groove.
5. The injection molding dedicated pressure controlled thermal control plate of claim 4, wherein: the plate body is in threaded connection with a convex cover of the cover pressure relief groove, the pressure relief block is a concave block matched with the convex block, and the compression spring is sleeved between the convex cover and the concave block.
6. The injection molding dedicated pressure controlled thermal control plate of claim 1, wherein: and a sealing ring attached to the inner wall of the sliding groove is arranged on the adjusting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265817.6U CN210791882U (en) | 2019-08-06 | 2019-08-06 | Special pressure control's of moulding plastics heat accuse board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921265817.6U CN210791882U (en) | 2019-08-06 | 2019-08-06 | Special pressure control's of moulding plastics heat accuse board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210791882U true CN210791882U (en) | 2020-06-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921265817.6U Active CN210791882U (en) | 2019-08-06 | 2019-08-06 | Special pressure control's of moulding plastics heat accuse board |
Country Status (1)
| Country | Link |
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| CN (1) | CN210791882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103515A (en) * | 2021-03-15 | 2021-07-13 | 重庆赋天智能科技有限公司 | Injection molding precision mold for protective sleeve shell of tablet personal computer |
-
2019
- 2019-08-06 CN CN201921265817.6U patent/CN210791882U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113103515A (en) * | 2021-03-15 | 2021-07-13 | 重庆赋天智能科技有限公司 | Injection molding precision mold for protective sleeve shell of tablet personal computer |
| CN113103515B (en) * | 2021-03-15 | 2022-11-18 | 重庆赋天智能科技有限公司 | Injection molding precision mold for protective sleeve shell of tablet personal computer |
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