CN216708244U - Demoulding mechanism for plastic injection mould - Google Patents
Demoulding mechanism for plastic injection mould Download PDFInfo
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- CN216708244U CN216708244U CN202123444991.7U CN202123444991U CN216708244U CN 216708244 U CN216708244 U CN 216708244U CN 202123444991 U CN202123444991 U CN 202123444991U CN 216708244 U CN216708244 U CN 216708244U
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Abstract
The utility model discloses a demoulding mechanism for a plastic injection mould, which comprises an injection mould base, wherein the middle part of the top end of the injection mould base is provided with a forming mould cavity, the inside of the injection mould base is provided with a demoulding cavity, the bottom of the inner wall of the forming mould cavity is provided with a top mould channel communicated with the inside of the demoulding cavity, the inside of the top mould channel is connected with a top mould assembly in a sliding way, two sides of the inner wall of the demoulding cavity are respectively provided with a limiting sliding chute, the insides of the two limiting sliding chutes are respectively connected with a demoulding sliding rod in a sliding way, and a top mould base plate is fixedly arranged between the two demoulding sliding rods. The service life and the application range of the demoulding mechanism are prolonged, and the practicability is high.
Description
Technical Field
The utility model relates to the technical field of plastic injection molding production, in particular to a demolding mechanism for a plastic injection mold.
Background
An injection mold is a tool for producing plastic products and also a tool for giving the plastic products complete structure and precise dimensions. Heating and melting the plastic, injecting the plastic into an injection mold at high pressure by an injection molding machine, and cooling and solidifying to obtain a formed plastic product. Injection molds have extremely wide application in the industries of plastic product processing and the like.
The existing injection mold demoulding mechanism is inconvenient to demould, low in demoulding efficiency, poor in applicability and prone to being stuck.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a demoulding mechanism for a plastic injection mould, which solves the problems that the existing demoulding mechanism for the injection mould in the background art is inconvenient to demould and operate, low in demoulding efficiency, easy to block and poor in applicability.
In order to achieve the purpose, the utility model provides the following technical scheme: a demoulding mechanism for a plastic injection mould comprises an injection lower mould seat, wherein a forming mould cavity is arranged in the middle of the top end of the injection lower mould seat, a demoulding cavity is arranged in the injection lower mould seat, a top mould channel communicated with the inside of the demoulding cavity is arranged at the bottom of the inner wall of the moulding cavity, a top mould assembly is connected in a sliding manner in the top mould channel, limiting sliding grooves are respectively arranged on two sides of the inner wall of the demoulding cavity, demoulding sliding rods are respectively connected in the limiting sliding grooves in a sliding manner, a top mould backing plate is fixedly arranged between the two demoulding sliding rods, an electromagnet is fixedly arranged in the middle of the bottom end of the inner wall of the demoulding cavity, an armature facing the electromagnet is fixedly arranged at the bottom end of the top mould backing plate, a top mould spring is sleeved on the surfaces of the two demoulding sliding rods, and the demoulding mechanism adopts a mode that the electromagnet adsorbs the top mould assembly to be matched with the top mould spring to push and eject, the ejection demoulding of the formed plastic product is realized quickly, the response speed is high, the demoulding efficiency is high, the operation and the use are simple and convenient, the time and the labor are saved, the work is stable and reliable, and the phenomenon of blocking is not easy to occur.
Preferably, the top die assembly comprises a demolding ejector rod, a sealing gasket and a plugging base plate, the sealing gasket is fixedly arranged at the top end of the demolding ejector rod, the plugging base plate is fixedly arranged at the top end of the sealing gasket, the bottom end of the demolding ejector rod is fixedly connected with the top end of the top die base plate, a top die channel can be plugged and sealed in the injection molding process, and the air tightness is good.
Preferably, one side of the injection molding lower die base is provided with an injection molding through hole communicated with the inside of the molding die cavity, so that convenience is provided for the injection molding work of the die.
Preferably, the periphery of the top end of the injection molding lower die holder is fixedly provided with an injection molding limiting frame, the middle of the injection molding limiting frame is connected with an injection molding upper die holder in a sliding mode, the bottom end of the injection molding upper die holder is fixedly provided with a molding press block matched with a molding die cavity, and the injection molding lower die holder is reasonable in structural design and high in stability.
Preferably, the equal fixed mounting in both sides on spacing top of moulding plastics has automatically controlled pneumatic cylinder, two the flexible end of automatically controlled pneumatic cylinder respectively with the both sides fixed connection on mould plastics upper die base top, automatically controlled pneumatic cylinder and electro-magnet all through external switch and power electric connection, facilitate for the drawing of patterns work, operate and use more portably.
Preferably, the connection part of the electromagnet and the demolding cavity is fixedly provided with an insulating frame, so that the use safety of the mold can be improved.
Compared with the prior art, the utility model has the beneficial effects that: this demoulding mechanism adopts the electro-magnet to adsorb the mode that the top mould subassembly cooperates the top mould spring to push away the bullet, realizes the ejecting drawing of patterns to the shaping plastic product fast, and response speed is fast, and the drawing of patterns is efficient, and the operation is used portably, labour saving and time saving more, and job stabilization is reliable, and the dead phenomenon of card is difficult to appear, has improved demoulding mechanism's life and application scope, and the practicality is strong.
Drawings
FIG. 1 is a front cross-sectional view of the ejector mechanism of the present invention;
FIG. 2 is a front cross-sectional view of the injection mold lower shoe of the present invention;
FIG. 3 is a schematic structural view of a top die assembly of the present invention;
fig. 4 is an enlarged view of part a of the present invention.
In the figure: 1. injection molding of a lower die holder; 2. injection molding a limiting frame; 3. injection molding an upper die holder; 4. forming and pressing blocks; 5. demolding; 6. injection molding a through hole; 7. molding a mold cavity; 8. an electric control hydraulic cylinder; 9. demoulding the slide bar; 10. a top die assembly; 101. demolding ejector rods; 102. sealing gaskets; 103. plugging the base plate; 11. a top die channel; 12. a top die backing plate; 13. a top die spring; 14. a limiting chute; 15. an electromagnet; 16. an insulating frame; 17. an armature.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Referring to fig. 1-4, the utility model provides a demoulding mechanism for a plastic injection mould, which comprises an injection mould lower base 1, wherein a forming mould cavity 7 is arranged in the middle of the top end of the injection mould lower base 1, a demoulding cavity 5 is arranged in the injection mould lower base 1, a top mould channel 11 communicated with the inside of the demoulding cavity 5 is arranged at the bottom of the inner wall of the forming mould cavity 7, a top mould assembly 10 is connected in the top mould channel 11 in a sliding manner, limiting chutes 14 are arranged on two sides of the inner wall of the demoulding cavity 5, demoulding slide bars 9 are respectively connected in the two limiting chutes 14 in a sliding manner, a top mould backing plate 12 is fixedly arranged between the two demoulding slide bars 9, an electromagnet 15 is fixedly arranged in the middle of the bottom end of the inner wall of the demoulding cavity 5, an armature 17 opposite to the electromagnet 15 is fixedly arranged at the bottom end of the top mould backing plate 12, a top mould spring 13 is sleeved on the surfaces of the two demoulding slide bars 9, the top mould assembly 10 comprises a demoulding ejector rod 101, Seal gasket 102 and shutoff backing plate 103, the fixed seal gasket 102 that is provided with in top of drawing of patterns ejector pin 101, the fixed shutoff backing plate 103 that is provided with in top of seal gasket 102, the bottom of drawing of patterns ejector pin 101 and the top fixed connection of top mould backing plate 12, the fixed insulating frame 16 that is provided with in the junction of electro-magnet 15 and drawing of patterns chamber 5, this demoulding mechanism adopts the mode that electro-magnet 15 adsorbs top mould subassembly 10 cooperation top mould spring 13 bullet, realize the ejecting drawing of patterns to the shaping plastics product fast, response speed is fast, drawing of patterns is efficient, easy and simple to handle, time saving and labor saving more, stable in operation is reliable.
One side of the injection molding die holder 1 is provided with the communicating through-hole 6 of moulding plastics with the inside of shaping die cavity 7, the fixed spacing frame 2 that moulds plastics that is provided with in periphery on 1 top of the injection molding die holder, the middle part sliding connection who moulds plastics spacing frame 2 has injection molding upper die base 3, the bottom mounting of the injection molding upper die base 3 is provided with and forms 7 assorted shaping briquetting 4 with the shaping die cavity, the equal fixed mounting in both sides on 2 tops of the spacing frame of moulding plastics has automatically controlled pneumatic cylinder 8, two automatically controlled pneumatic cylinder 8's flexible end respectively with the both sides fixed connection on 3 tops of injection molding upper die base, automatically controlled pneumatic cylinder 8 and electro-magnet 15 are all through external switch and power electric connection, can accomplish just right injection molding work, injection molding is efficient, and stable operation is reliable.
When the embodiment of the application is used: after the injection mold is stably installed, a power supply is switched on, during injection molding, the electric control hydraulic cylinder 8 can push the injection upper mold base 3 to move downwards to enable the molding press block 4 to be in press fit with the molding mold cavity 7, at the moment, the electromagnet 15 can adsorb the armature 17 to enable the top mold assembly 10 to move downwards and be clamped into the top mold channel 11, then the injection molding machine can carry out injection molding through the injection through hole 6, after molding, under the driving of the electric control hydraulic cylinder 8, the injection upper mold base 3 is separated from the injection lower mold base 1, the electromagnet 15 is powered off to release the armature 17, under the elastic force of the top mold spring 13, the top mold base plate 12 drives the top mold assembly 10 to move upwards integrally to eject an injection molding product, the demolding mechanism adopts a mode that the electromagnet 15 adsorbs the top mold assembly 10 to be matched with the top mold spring 13 to push and bounce, so as to rapidly realize ejection and demolding of the molded plastic products, the demolding speed is fast, the demolding efficiency is high, the operation and the use are simple and convenient, the labor saving is more time and time saving, the demoulding mechanism has the advantages of stable and reliable work, difficult occurrence of the phenomenon of blocking, prolonged service life and wide application range, and strong practicability.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for some of the features thereof, and any modifications, equivalents, improvements and the like made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a demoulding mechanism for plastic injection mold, is including moulding plastics die holder (1), its characterized in that: the middle part of the top end of the injection lower die holder (1) is provided with a molding die cavity (7), the inside of the injection lower die holder (1) is provided with a demolding cavity (5), the bottom of the inner wall of the molding die cavity (7) is provided with a top die channel (11) communicated with the interior of the demolding cavity (5), the inside of the top die channel (11) is connected with a top die assembly (10) in a sliding manner, two sides of the inner wall of the demolding cavity (5) are respectively provided with a limiting sliding chute (14), the insides of the two limiting sliding chutes (14) are respectively connected with a demolding sliding rod (9) in a sliding manner, a top die base plate (12) is fixedly arranged between the two demolding sliding rods (9), an electromagnet (15) is fixedly arranged in the middle of the bottom end of the inner wall of the demoulding cavity (5), the bottom end of the top die base plate (12) is fixedly provided with an armature (17) which is just opposite to the electromagnet (15), and the surfaces of the two demolding sliding rods (9) are all sleeved with top die springs (13).
2. The mold release mechanism for a plastic injection mold according to claim 1, characterized in that: the top die assembly (10) comprises a demolding ejector rod (101), a sealing gasket (102) and a blocking backing plate (103), the sealing gasket (102) is fixedly arranged at the top end of the demolding ejector rod (101), the blocking backing plate (103) is fixedly arranged at the top end of the sealing gasket (102), and the bottom end of the demolding ejector rod (101) is fixedly connected with the top end of the top die backing plate (12).
3. The mold release mechanism for a plastic injection mold according to claim 1, characterized in that: and one side of the injection molding lower die holder (1) is provided with an injection molding through hole (6) communicated with the inside of the molding die cavity (7).
4. The mold release mechanism for a plastic injection mold according to claim 1, characterized in that: the injection molding die is characterized in that an injection molding limiting frame (2) is fixedly arranged on the periphery of the top end of the injection molding lower die holder (1), an injection molding upper die holder (3) is connected to the middle of the injection molding limiting frame (2) in a sliding mode, and a molding pressing block (4) matched with a molding die cavity (7) is fixedly arranged at the bottom end of the injection molding upper die holder (3).
5. The mold release mechanism for a plastic injection mold according to claim 4, characterized in that: the utility model discloses a mould plastics, including injection moulding spacing frame (2), the equal fixed mounting in both sides on top has automatically controlled pneumatic cylinder (8), two the flexible end of automatically controlled pneumatic cylinder (8) respectively with the both sides fixed connection on injection moulding upper die base (3) top, automatically controlled pneumatic cylinder (8) and electro-magnet (15) are all through external switch and power electric connection.
6. The mold release mechanism for a plastic injection mold according to claim 1, characterized in that: and an insulating frame (16) is fixedly arranged at the joint of the electromagnet (15) and the demoulding cavity (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444991.7U CN216708244U (en) | 2021-12-29 | 2021-12-29 | Demoulding mechanism for plastic injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123444991.7U CN216708244U (en) | 2021-12-29 | 2021-12-29 | Demoulding mechanism for plastic injection mould |
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| Publication Number | Publication Date |
|---|---|
| CN216708244U true CN216708244U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123444991.7U Active CN216708244U (en) | 2021-12-29 | 2021-12-29 | Demoulding mechanism for plastic injection mould |
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| CN (1) | CN216708244U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619699A (en) * | 2023-06-15 | 2023-08-22 | 深圳市友泰福华精工模具有限公司 | Plastic mould capable of being adjusted in self-adaptive mode |
-
2021
- 2021-12-29 CN CN202123444991.7U patent/CN216708244U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116619699A (en) * | 2023-06-15 | 2023-08-22 | 深圳市友泰福华精工模具有限公司 | Plastic mould capable of being adjusted in self-adaptive mode |
| CN116619699B (en) * | 2023-06-15 | 2024-05-03 | 深圳市友泰福华精工模具有限公司 | Plastic mould capable of being adjusted in self-adaptive mode |
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