CN219705967U - Automatic ejection device of automobile injection mold - Google Patents
Automatic ejection device of automobile injection mold Download PDFInfo
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- CN219705967U CN219705967U CN202321006109.7U CN202321006109U CN219705967U CN 219705967 U CN219705967 U CN 219705967U CN 202321006109 U CN202321006109 U CN 202321006109U CN 219705967 U CN219705967 U CN 219705967U
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- elastic mechanism
- mold
- injection
- automobile
- ejection device
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- 238000002347 injection Methods 0.000 title claims abstract description 36
- 239000007924 injection Substances 0.000 title claims abstract description 36
- 238000001746 injection moulding Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 9
- 238000000465 moulding Methods 0.000 abstract description 10
- 229920003023 plastic Polymers 0.000 abstract description 8
- 239000004033 plastic Substances 0.000 abstract description 8
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000005034 decoration Methods 0.000 abstract 1
- 230000004308 accommodation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model provides an automatic ejection device of an automobile injection mold, and relates to the technical field of injection molds. The automatic ejection device of the automobile injection mold comprises a lower mold, wherein an upper mold is connected to the lower mold, an injection cavity for molding automobile interior decoration is formed between the upper mold and the upper mold, an ejector rod penetrates through the bottom of the injection cavity in a sliding mode, and an elastic mechanism connected with the bottom of the lower mold is installed at the bottom of the ejector rod. Through installing elastic mechanism in the bed die bottom, elastic mechanism top installation ejector pin, ejector pin bottom then can extend to the intracavity of moulding plastics, and then after last mould and bed die closure, can push down elastic mechanism, make its elastic deformation, and then ejector pin top motion to the intracavity of moulding plastics bottom, after the intracavity automotive interior injection moulding of moulding plastics, can the die sinking, and then elastic mechanism resets, can drive ejector pin automatic upward movement to realize the shaping article of automatic ejecting intracavity of moulding plastics, convenient operation reduces the energy consumption simultaneously.
Description
Technical Field
The utility model relates to the field of injection molds, in particular to an automatic ejection device of an automobile injection mold.
Background
The injection mold refers to injection molding, and the automotive trim is used for decorating the interior of an automobile and is injection molded through the injection mold.
In the injection molding process of the automobile interior trim, a thimble is arranged in an injection mold and used for ejecting a molded product in the mold after the mold is opened so as to take down the molded product, and the thimble structure of the existing injection mold drives the thimble to move by an electric pushing mode so as to realize ejection of the molded product in the mold.
Disclosure of Invention
In order to overcome the defects in the prior art, the embodiment of the utility model provides an automatic ejection device for an automobile injection mold, which can solve the problem of high energy consumption of an electric pushing mode of the automobile injection mold.
The technical scheme adopted by the embodiment of the utility model for solving the technical problems is as follows: the utility model provides an automatic ejecting device of automobile injection mold, includes the bed die, be connected with the mould on the bed die, and with be formed with the fashioned injection molding chamber of automotive interior between the mould, the bottom slip in injection molding chamber is run through there is the ejector pin, the ejector pin bottom install with the elastic mechanism that the bed die bottom is connected, the elastic mechanism top slip runs through the bed die, go up the mould with press elastic mechanism behind the bed die closure.
In a specific embodiment, the lower die is concave, two ejector rods are arranged, the two ejector rods are connected with the elastic mechanism, two through holes are formed between the injection cavity and the bottom of the lower die, the two ejector rods respectively penetrate through the two through holes, a plurality of O-shaped sealing rings are embedded in the inner walls of the two through holes, and the O-shaped sealing rings are sleeved on the ejector rods.
In a specific embodiment, two accommodation cavities are formed in the bottom of the injection molding cavity, the tops of the two through holes are respectively communicated with the two accommodation cavities, pushing blocks are fixedly arranged on the tops of the two ejector rods, and the two pushing blocks can respectively enter the two accommodation cavities.
In a specific embodiment, two pressure grooves are formed in the bottom of the lower die, the bottoms of the two through holes are respectively communicated with the two pressure grooves, pistons are respectively sleeved on the two ejector rods, and the two pistons are respectively arranged in the two pressure grooves in a sliding mode.
In a specific embodiment, the elastic mechanism comprises a connecting plate, a plurality of springs are connected between the connecting plate and the bottom of the lower die, two sliding rods which all slide and penetrate through the bottom of the lower die are arranged at the top of the connecting plate, the upper die can press the two sliding rods, and the ejector rod is connected with the connecting plate.
In a specific embodiment, two spacing pipes respectively correspond with two slide bars, go up mould bottom fixed mounting has two spacing posts, two spacing posts respectively correspond with two spacing pipes, and can press two the slide bar.
In a specific embodiment, the O-ring is a high temperature resistant seal.
The embodiment of the utility model has the advantages that: through installing elastic mechanism in the bed die bottom, elastic mechanism top installation ejector pin, ejector pin bottom then can extend to the intracavity of moulding plastics, and then after last mould and bed die closure, can push down elastic mechanism, make its elastic deformation, and then ejector pin top motion to the intracavity of moulding plastics bottom, after the intracavity automotive interior injection moulding of moulding plastics, can the die sinking, and then elastic mechanism resets, can drive ejector pin automatic upward movement to realize the shaping article of automatic ejecting intracavity of moulding plastics, convenient operation reduces the energy consumption simultaneously.
Drawings
Fig. 1 is a schematic diagram of a main structure of an automatic ejection device of an injection mold of an automobile according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a front cross-sectional structure of an automatic ejection device of an injection mold for an automobile according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of a partial sectional structure of an automatic ejection device for an injection mold of an automobile according to an embodiment of the present utility model.
In the figure: 10-lower die; 110-a pressure tank; 120-limiting pipes; 20-upper die; 210-a limit column; 30-an injection molding cavity; 310-accommodating chambers; 40-ejector rod; 410-pushing blocks; 420-a piston; 50-an elastic mechanism; 510-connecting plates; 520-spring; 530-a slide bar; 60-through holes; 610-O-ring seal.
Detailed Description
The technical scheme in the embodiment of the utility model aims to solve the problem of high energy consumption of an electric pushing mode of an automobile injection mold, and the overall thought is as follows:
example 1:
referring to fig. 1-3, an automatic ejection device for an injection mold of an automobile includes a lower mold 10, an upper mold 20 is connected to the lower mold 10, an injection cavity 30 for molding an interior of the automobile is formed between the upper mold 20 and the lower mold 20, a push rod 40 is slidably inserted into the bottom of the injection cavity 30, an elastic mechanism 50 connected to the bottom of the lower mold 10 is mounted at the bottom of the push rod 40, the top of the elastic mechanism 50 slidably inserts through the lower mold 10, and the elastic mechanism 50 is pressed after the upper mold 20 and the lower mold 10 are closed.
When the device is arranged, the elastic mechanism 50 is pressed to elastically deform so as to drive the ejector rod 40 to move downwards, and then the top of the ejector rod 40 moves into the bottom of the injection cavity 30, and it is required to be noted that the lower die 10 and the upper die 20 are mounted on the existing equipment, and the specific mounting structure is the prior art.
Referring to fig. 2 and 3, the lower mold 10 is concavely arranged, two ejector rods 40 are arranged, the two ejector rods 40 are connected with the elastic mechanism 50, two through holes 60 are formed between the injection cavity 30 and the bottom of the lower mold 10, the two ejector rods 40 respectively penetrate through the two through holes 60, a plurality of O-shaped sealing rings 610 are embedded in the inner walls of the two through holes 60, the O-shaped sealing rings 610 are sleeved on the ejector rods 40, and the O-shaped sealing rings 610 are high-temperature resistant sealing rings.
Specifically, a plurality of annular grooves are formed on the inner wall of the through hole 60, and a plurality of O-ring seals 610 are respectively installed in the plurality of annular grooves for improving the tightness between the ejector rod 40 and the through hole 60.
Referring to fig. 2 and 3, two accommodating cavities 310 are formed at the bottom of the injection molding cavity 30, the tops of the two through holes 60 are respectively communicated with the two accommodating cavities 310, pushing blocks 410 are fixedly mounted at the tops of the two ejector rods 40, and the two pushing blocks 410 can respectively enter the two accommodating cavities 310.
The ejector rod 40 is fixedly provided with the ejector block 410 at the top, the contact area between the ejector block 410 and a molded product can be increased, the molded product can be pushed to move conveniently, meanwhile, the accommodating cavity 310 is formed in the bottom of the injection molding cavity 30, the ejector block 410 can enter the accommodating cavity 310, so that the contact area between the ejector block 410 and the bottom of the injection molding cavity 30 is increased, and the sealing effect is improved.
Referring to fig. 2 and 3, two pressure grooves 110 are formed in the bottom of the lower die 10, the bottoms of the two through holes 60 are respectively communicated with the two pressure grooves 110, pistons 420 are respectively sleeved on the two ejector rods 40, and the two pistons 420 are respectively slidably arranged in the two pressure grooves 110.
Further, when the ejector rod 40 moves downward, the piston 420 is driven to move downward in the pressure groove 110, so that the space above the piston 420 is in a negative pressure state, and after the upper die 20 and the lower die 10 are separated, the elastic mechanism 50 and the negative pressure function are utilized to provide the upward thrust of the ejector rod 40.
Referring to fig. 2 and 3, the elastic mechanism 50 includes a connecting plate 510, a plurality of springs 520 are connected between the connecting plate 510 and the bottom of the lower mold 10, two sliding rods 530 that all slide through the bottom of the lower mold 10 are installed at the top of the connecting plate 510, the upper mold 20 can press the two sliding rods 530, and the ejector rod 40 is connected with the connecting plate 510.
It should be noted that, two holes are formed on the lower mold 10, the two holes respectively correspond to the two limiting tubes 120, and the two sliding rods 530 are respectively slidably disposed through the two holes, so that the upper mold 20 can press the two sliding rods 530 downward, so as to realize the downward movement of the connecting plate 510, thereby driving the ejector rod 40 to move downward.
Referring to fig. 2 and 3, two limiting pipes 120 are fixedly installed at the top of the lower mold 10, the two limiting pipes 120 correspond to the two sliding rods 530, two limiting columns 210 are fixedly installed at the bottom of the upper mold 20, and the two limiting columns 210 correspond to the two limiting pipes 120, respectively, and can press the two sliding rods 530.
The limit posts 210 slide in the limit pipes 120 to improve the closing precision of the upper mold 20 and the lower mold 10, and simultaneously, when the mold is closed, the limit posts 210 press the slide bars 530 downwards to realize the movement of the connecting plate 510.
The utility model is used when:
the upper mold 20 moves downwards through the existing equipment and is matched with the lower mold 10, then injection molding can be performed in the injection molding cavity 30, the injection molding process is the prior art, in the matching process, the two limit posts 210 move downwards, the two slide bars 530 are pressed, so that the connecting plate 510 moves downwards, the ejector rod 40 is driven to move downwards, the push block 410 moves into the accommodating cavity 310, meanwhile, the plurality of springs 520 stretch, the piston 420 moves downwards in the pressure groove 110, after injection molding and cooling, the mold opening can be performed, at the moment, the pressure of the limit posts 210 to the slide bars 530 is gradually relieved, and then the ejector rod 40 moves upwards automatically through the negative pressure in the springs 520 and the pressure groove 110, so that a molded product is ejected upwards, and the molded product is taken out conveniently.
It should be noted that, specific model specifications of the piston 420 and the O-ring 610 need to be determined by selecting a model according to actual specifications of the device, and a specific model selection calculation method adopts the prior art in the art, so detailed descriptions are omitted.
Finally, it should be noted that: it is apparent that the above examples are only illustrative of the present utility model and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present utility model.
Claims (7)
1. The utility model provides an automatic ejecting device of automobile injection mold, its characterized in that, includes bed die (10), be connected with on bed die (10) mould (20), and with be formed with between last mould (20) and be used for automobile interior fashioned injection molding chamber (30), the bottom slip in injection molding chamber (30) is run through there is ejector pin (40), install ejector pin (40) bottom with elastic mechanism (50) that bed die (10) bottom is connected, elastic mechanism (50) top slip is run through bed die (10), go up mould (20) with elastic mechanism (50) are pressed after bed die (10) are closed.
2. The automatic ejection device of an automobile injection mold according to claim 1, wherein the lower mold (10) is arranged in a concave manner, two ejector rods (40) are arranged and connected with the elastic mechanism (50), two through holes (60) are formed between the injection cavity (30) and the bottom of the lower mold (10), the two ejector rods (40) respectively penetrate through the two through holes (60), a plurality of O-shaped sealing rings (610) are embedded in the inner walls of the two through holes (60), and the O-shaped sealing rings (610) are sleeved on the ejector rods (40).
3. The automatic ejection device of an automobile injection mold according to claim 2, wherein two accommodating cavities (310) are formed in the bottom of the injection cavity (30), the tops of the two through holes (60) are respectively communicated with the two accommodating cavities (310), pushing blocks (410) are fixedly arranged at the tops of the two ejector rods (40), and the two pushing blocks (410) can respectively enter the two accommodating cavities (310).
4. The automatic ejection device of an automobile injection mold according to claim 2, wherein two pressure grooves (110) are formed in the bottom of the lower mold (10), the bottoms of the two through holes (60) are respectively communicated with the two pressure grooves (110), pistons (420) are respectively sleeved on the two ejector rods (40), and the two pistons (420) are respectively arranged in the two pressure grooves (110) in a sliding mode.
5. The automatic ejection device of an automobile injection mold according to any one of claims 1 to 4, wherein the elastic mechanism (50) comprises a connecting plate (510), a plurality of springs (520) are connected between the connecting plate (510) and the bottom of the lower mold (10), two sliding rods (530) which all slide through the bottom of the lower mold (10) are installed at the top of the connecting plate (510), the upper mold (20) can press the two sliding rods (530), and the ejector rod (40) is connected with the connecting plate (510).
6. The automatic ejection device of an injection mold for an automobile according to claim 5, wherein two limiting pipes (120) are fixedly installed at the top of the lower mold (10), the two limiting pipes (120) respectively correspond to the two sliding rods (530), two limiting columns (210) are fixedly installed at the bottom of the upper mold (20), the two limiting columns (210) respectively correspond to the two limiting pipes (120), and the two sliding rods (530) can be pressed.
7. The automatic ejection device of an automobile injection mold according to claim 2, wherein the O-ring (610) is a high temperature resistant seal ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321006109.7U CN219705967U (en) | 2023-04-28 | 2023-04-28 | Automatic ejection device of automobile injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321006109.7U CN219705967U (en) | 2023-04-28 | 2023-04-28 | Automatic ejection device of automobile injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN219705967U true CN219705967U (en) | 2023-09-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321006109.7U Active CN219705967U (en) | 2023-04-28 | 2023-04-28 | Automatic ejection device of automobile injection mold |
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| Country | Link |
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| CN (1) | CN219705967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118219503A (en) * | 2024-05-24 | 2024-06-21 | 广东品凡派塑胶实业有限公司 | Injection mold and process for preparing PET transparent crystallization-free color cosmetic thick-wall packaging material |
-
2023
- 2023-04-28 CN CN202321006109.7U patent/CN219705967U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118219503A (en) * | 2024-05-24 | 2024-06-21 | 广东品凡派塑胶实业有限公司 | Injection mold and process for preparing PET transparent crystallization-free color cosmetic thick-wall packaging material |
| CN118219503B (en) * | 2024-05-24 | 2024-07-26 | 广东品凡派塑胶实业有限公司 | Injection mold and process for preparing PET transparent crystallization-free color cosmetic thick-wall packaging material |
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