CN219338437U - Top die mechanism of high-precision injection molding machine - Google Patents
Top die mechanism of high-precision injection molding machine Download PDFInfo
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- CN219338437U CN219338437U CN202320294164.4U CN202320294164U CN219338437U CN 219338437 U CN219338437 U CN 219338437U CN 202320294164 U CN202320294164 U CN 202320294164U CN 219338437 U CN219338437 U CN 219338437U
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- injection molding
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The utility model discloses a high-precision injection molding machine top die mechanism, which relates to the field of injection molding machine accessories and comprises a fixed die seat, wherein four fixed slide bars are fixedly arranged on the side surface of the fixed die seat, the same fixed die is fixedly arranged on the four fixed slide bars, a movable die is slidably arranged on the four fixed slide bars, an injection molding die plate and an injection molding groove are respectively fixedly arranged on one side, close to each other, of the fixed die and the movable die, an injection molding cylinder is fixedly arranged on one side, far away from the fixed die, of the movable die, and a driving cylinder is fixedly arranged on one side, close to the fixed die, of the fixed die seat. According to the utility model, through the arrangement of the ejector rod, the connecting air pipe and the air suction hole, when the ejector rod is used for ejecting a workpiece, negative pressure is formed in the workpiece by the mutual matching of the connecting air pipe and the air suction hole, so that the ejector rod adsorbs the workpiece, the unexpected falling of the workpiece is avoided while the auxiliary demolding is realized, and the workpiece ejection device is more convenient to use.
Description
Technical Field
The utility model relates to the technical field of accessories of injection molding machines, in particular to a top die mechanism of a high-precision injection molding machine.
Background
Injection molding machines are also known as injection molding machines or injection molding machines. It is a main forming equipment for making thermoplastic plastics or thermosetting plastics into various shaped plastic products by using plastic forming mould.
In the prior art, plastic products are affected by expansion with heat and contraction with cold after being molded, can adhere to a die, can not independently break away, and needs to be broken away by utilizing a top die mechanism, but the ejector rod is easy to drop from the die directly due to elasticity of the plastic when being stretched out, so that damage is caused on a workpiece, and manual work or mechanical blanking is inconvenient, so that the needs of people are met by the top die mechanism of the high-precision injection molding machine are needed.
Disclosure of Invention
The utility model aims to provide a high-precision injection molding machine top die mechanism, which solves the problems that the ejector rod provided in the background art is easy to drop from a die directly due to the elasticity of plastic when being stretched out, so that damage is caused on a workpiece, and manual or mechanical blanking is inconvenient.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a high-precision injection molding machine top die mechanism, includes the fixed mould seat, the side fixed mounting of fixed mould seat has four fixed slide bars, and fixed mounting has same fixed mould on four fixed slide bars, and sliding mounting has a movable mould of section of thick bamboo on four fixed slide bars, and fixed mould and movable mould are close to one side respectively fixed mounting that is close to each other have injection molding template and injection molding groove, and one side fixed mounting that the movable mould kept away from fixed mould has the section of thick bamboo of moulding plastics, one side fixed mounting that the fixed mould seat is close to fixed mould has the actuating cylinder, and actuating cylinder's output fixed mounting has the fly leaf, and fixed mounting has four ejector pins on the fly leaf, and four ejector pins all run through fixed mould and contact with injection molding template, all install gaseous demoulding structure and gas control structure on four ejector pins.
Preferably: the gas demoulding structure comprises a connecting air pipe and air suction holes, wherein the connecting air pipe is fixedly arranged on the four ejector rods, the air suction holes are formed in the four ejector rods, and the connecting air pipe is communicated with the four air suction holes.
Preferably: the gas control structure comprises adjusting cylinders, rectangular mounting frames and sliding holes, wherein the two adjusting cylinders are fixedly mounted on the side faces of the fixed die base, the rectangular mounting frames are fixedly mounted on the output ends of the two rectangular mounting frames, one ends of the sliding holes are fixedly mounted on the rectangular mounting frames, and the other ends of the sliding holes penetrate through corresponding ejector rods.
Preferably: the ejector rod is internally provided with a sealing rod, the sliding hole is slidably arranged in the sealing rod, and the sealing rod is communicated with the air suction hole.
Preferably: four limiting holes are formed in the fixed die seat, limiting rods are slidably mounted in the four limiting holes, and the four limiting rods are fixedly mounted on one side, close to the fixed die seat, of the movable plate.
Preferably: and an external air pump is connected to the connecting air pipe.
Preferably: the ejector rod is matched with the sliding hole.
Preferably: the injection molding template is matched with the injection molding groove.
The beneficial effects of the utility model are as follows:
according to the utility model, through the arrangement of the ejector rod, the connecting air pipe and the air suction hole, when the ejector rod is used for ejecting a workpiece, negative pressure is formed in the workpiece by the mutual matching of the connecting air pipe and the air suction hole, so that the ejector rod adsorbs the workpiece, the unexpected falling of the workpiece is avoided while auxiliary demolding is realized, and the workpiece ejection device is more convenient to use.
According to the utility model, through the arrangement of the sliding holes, the sliding holes are utilized to move in the ejector rod, so that the ejector rod is sealed to prevent materials from entering the ejector rod during injection molding, and the air suction holes can be exposed when demolding is needed, thereby being convenient for controlling the air pressure in the ejector rod.
Drawings
FIG. 1 is a schematic perspective view of a top mold mechanism of a high-precision injection molding machine according to the present utility model;
FIG. 2 is a schematic side view of a top mold mechanism of a high-precision injection molding machine according to the present utility model;
FIG. 3 is a schematic cross-sectional view of a top mold mechanism of a high-precision injection molding machine according to the present utility model;
FIG. 4 is a schematic diagram of the top mold mechanism of the high-precision injection molding machine according to the present utility model;
fig. 5 is a schematic structural view of an injection molding plate portion of a top mold mechanism of a high-precision injection molding machine according to the present utility model.
In the figure: 100. fixing a die seat; 101. fixing the slide bar; 102. fixing a die; 103. a movable mold; 104. an injection molding cylinder; 105. injection molding the template; 106. an injection molding groove; 200. a driving cylinder; 201. a movable plate; 202. a push rod; 203. connecting an air pipe; 204. an air suction hole; 300. adjusting a cylinder; 301. a rectangular mounting frame; 302. a slide hole; 303. a sealing rod; 304. a limit rod; 305. and a limiting hole.
Description of the embodiments
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1 to 5, a high precision injection molding machine top mold mechanism comprises a fixed mold base 100, four fixed slide bars 101 are fixedly installed on the side surface of the fixed mold base 100, the same fixed mold 102 is fixedly installed on the four fixed slide bars 101, a movable mold 103 is slidably installed on the four fixed slide bars 101, an injection molding mold plate 105 and an injection molding groove 106 are respectively fixedly installed on one side of the fixed mold 102, which is close to each other, of the movable mold 102, an injection molding cylinder 104 is fixedly installed on one side of the movable mold 103, which is far away from the fixed mold 102, a driving cylinder 200 is fixedly installed on one side of the fixed mold base 100, a movable plate 201 is fixedly installed at the output end of the driving cylinder 200, four ejector rods 202 are fixedly installed on the movable plate 201, the four ejector rods 202 penetrate through the fixed mold 102 and are in contact with the injection molding mold plate 105, a gas demolding structure and a gas control structure are installed on the four ejector rods 202, when demoulding, firstly, the adjusting cylinder 300 is required to be started, the rectangular mounting frame 301 is driven to move by the adjusting cylinder 300, the moving rectangular mounting frame 301 drives the sliding hole 302 to slide in the sealing rod 303 in the ejector rod 202, so that the air suction hole 204 on the inner wall of the sealing rod 303 is exposed, at the moment, the front end of the sealing rod 303 is extracted to a negative pressure state by the external air pump through the mutual matching of the connecting air pipe 203 and the air suction hole 204, the effect of adsorbing a workpiece by the ejector rod 202 is realized, at the moment, the driving cylinder 200 can be started, the movable plate 201 is driven to move by the output end of the driving cylinder 200, the movable plate 201 drives the ejector rod 202 to slide on the fixed die 102, the aim of demoulding the workpiece from the injection molding template 105 is realized, the movable plate 201 is limited by the limiting rod 304 and the limiting hole 305, and shaking is avoided during moving, when the ejector rod 202 is used for ejecting a workpiece, negative pressure is formed in the workpiece by utilizing the mutual matching of the connecting air pipe 203 and the air suction hole 204, so that the ejector rod 202 adsorbs the workpiece, the workpiece is prevented from falling accidentally while auxiliary demolding is realized, and the use is more convenient.
Further, the gas demoulding structure comprises a connecting air pipe 203 and air suction holes 204, the connecting air pipe 203 is fixedly arranged on the four ejector rods 202, the air suction holes 204 are formed in the four ejector rods 202, and the connecting air pipe 203 is communicated with the four air suction holes 204.
The front end of the sealing rod 303 is drawn to a negative pressure state by the external air pump through the mutual cooperation of the connecting air pipe 203 and the air suction hole 204, and the effect of adsorbing the workpiece by the ejector rod 202 is achieved.
Further, the gas control structure comprises an adjusting cylinder 300, a rectangular mounting frame 301 and a sliding hole 302, wherein the two adjusting cylinders 300 are fixedly mounted on the side surfaces of the fixed die seat 100, the rectangular mounting frame 301 is fixedly mounted on the output ends of the two rectangular mounting frames 301, one end of the sliding hole 302 is fixedly mounted on the rectangular mounting frame 301, and the other end of the sliding hole 302 penetrates through the corresponding ejector rod 202.
It should be noted that, the rectangular mounting frame 301 is driven to move by the adjusting cylinder 300, and the moving rectangular mounting frame 301 drives the sliding hole 302 to slide in the sealing rod 303 in the ejector rod 202, so that the air suction hole 204 on the inner wall of the sealing rod 303 is exposed.
Further, a sealing rod 303 is arranged in the ejector rod 202, the sliding hole 302 is slidably arranged in the sealing rod 303, and the sealing rod 303 is communicated with the air suction hole 204.
It should be noted that the moving rectangular mounting frame 301 drives the sliding hole 302 to slide in the sealing rod 303 in the ejector rod 202, so as to expose the suction hole 204 on the inner wall of the sealing rod 303.
Further, four limiting holes 305 are formed in the fixed die seat 100, limiting rods 304 are slidably mounted in the four limiting holes 305, and the four limiting rods 304 are fixedly mounted on one side, close to the fixed die seat 100, of the movable plate 201.
The movable plate 201 is limited by the limit rod 304 and the limit hole 305, so as to avoid shaking during movement.
Further, an external air pump is connected to the connection air pipe 203.
Further, the ejector rod 202 is matched with the sliding hole 302.
It should be noted that the moving rectangular mounting frame 301 drives the sliding hole 302 to slide in the sealing rod 303 in the ejector rod 202, so as to expose the suction hole 204 on the inner wall of the sealing rod 303.
Further, the injection molding template 105 and the injection molding groove 106 are adapted, and it is to be noted that the movable plate 201 drives the ejector rod 202 to slide on the fixed mold 102, so as to achieve the purpose of demolding the workpiece from the injection molding template 105.
The working principle of the utility model is as follows:
when demolding is carried out, firstly, the adjusting cylinder 300 is required to be started, the rectangular mounting frame 301 is driven to move by the adjusting cylinder 300, the moving rectangular mounting frame 301 drives the sliding hole 302 to slide in the sealing rod 303 in the ejector rod 202, so that the air suction hole 204 on the inner wall of the sealing rod 303 is exposed, at the moment, the front end of the sealing rod 303 is extracted to a negative pressure state by the aid of the external air pump through the mutual matching of the connecting air pipe 203 and the air suction hole 204, the effect of adsorbing a workpiece by the ejector rod 202 is achieved, at the moment, the driving cylinder 200 can be started, the movable plate 201 is driven to move by the output end of the driving cylinder 200, the movable plate 201 drives the ejector rod 202 to slide on the fixed mold 102, the purpose of demolding of the workpiece from the injection molding template 105 is achieved, the movable plate 201 is limited by the limiting rod 304 and the limiting hole 305, shake is avoided when the ejector rod 202 is used for ejecting the workpiece, and negative pressure is formed inside the ejector rod 202 by the aid of the mutual matching of the connecting air pipe 203 and the air suction hole 204, the workpiece is adsorbed, unexpected falling is avoided when auxiliary demolding is achieved, and the workpiece is more convenient to use.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (8)
1. The utility model provides a high-precision injection molding machine top die mechanism, includes fixed mould seat (100), its characterized in that: the side fixed mounting of fixed mould seat (100) has four fixed slide bars (101), and fixed mounting has same fixed mould (102) on four fixed slide bars (101), and sliding mounting has a movable mould (103) of section of thick bamboo on four fixed slide bars (101), and fixed mould (102) and movable mould (103) are close to one side fixed mounting respectively have injection moulding template (105) and injection moulding groove (106), and one side fixed mounting that fixed mould (102) were kept away from to movable mould (103) has injection molding section of thick bamboo (104), one side fixed mounting that fixed mould seat (100) is close to fixed mould (102) has actuating cylinder (200), and the output fixed mounting of actuating cylinder (200) has fly leaf (201), and fixed mounting has four ejector pins (202) on fly leaf (201), and four ejector pins (202) all run through fixed mould (102) and contact with injection moulding template (105), all install gas demoulding structure and gas control structure on four ejector pins (202).
2. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: the gas demoulding structure comprises a connecting air pipe (203) and air suction holes (204), wherein the connecting air pipe (203) is fixedly arranged on the four ejector rods (202), the air suction holes (204) are formed in the four ejector rods (202), and the connecting air pipe (203) is communicated with the four air suction holes (204).
3. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: the gas control structure comprises adjusting cylinders (300), rectangular mounting frames (301) and sliding holes (302), wherein the two adjusting cylinders (300) are fixedly mounted on the side faces of the fixed die base (100), the rectangular mounting frames (301) are fixedly mounted on the output ends of the two rectangular mounting frames (301), one ends of the sliding holes (302) are fixedly mounted on the rectangular mounting frames (301), and the other ends of the sliding holes (302) penetrate through corresponding ejector rods (202).
4. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: a sealing rod (303) is arranged in the ejector rod (202), the sliding hole (302) is slidably arranged in the sealing rod (303), and the sealing rod (303) is communicated with the air suction hole (204).
5. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: four limiting holes (305) are formed in the fixed die seat (100), limiting rods (304) are slidably mounted in the four limiting holes (305), and the four limiting rods (304) are fixedly mounted on one side, close to the fixed die seat (100), of the movable plate (201).
6. The high-precision injection molding machine top mold mechanism according to claim 2, wherein: an external air pump is connected to the connecting air pipe (203).
7. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: the ejector rod (202) is matched with the sliding hole (302).
8. The high-precision injection molding machine top mold mechanism according to claim 1, wherein: the injection molding template (105) is matched with the injection molding groove (106).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320294164.4U CN219338437U (en) | 2023-02-23 | 2023-02-23 | Top die mechanism of high-precision injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320294164.4U CN219338437U (en) | 2023-02-23 | 2023-02-23 | Top die mechanism of high-precision injection molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219338437U true CN219338437U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320294164.4U Active CN219338437U (en) | 2023-02-23 | 2023-02-23 | Top die mechanism of high-precision injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219338437U (en) |
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2023
- 2023-02-23 CN CN202320294164.4U patent/CN219338437U/en active Active
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