CN221048914U - Injection molding bottom die convenient for demolding - Google Patents
Injection molding bottom die convenient for demolding Download PDFInfo
- Publication number
- CN221048914U CN221048914U CN202322383154.0U CN202322383154U CN221048914U CN 221048914 U CN221048914 U CN 221048914U CN 202322383154 U CN202322383154 U CN 202322383154U CN 221048914 U CN221048914 U CN 221048914U
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- Prior art keywords
- lifting
- face
- cavity
- demolding
- top plate
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 34
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000003723 Smelting Methods 0.000 description 1
- 238000000071 blow moulding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 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
Landscapes
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model relates to the technical field of injection molding, in particular to an injection molding bottom die convenient for demolding, which can improve the injection molding working efficiency by demolding a top plate and a plastic finished product and then performing integral demolding work.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to an injection molding bottom die convenient for demolding.
Background
The mould is a variety of moulds and tools used for injection moulding, blow moulding, extrusion, die casting or forging, smelting, stamping and other methods to obtain the required products in industrial production, and the processing of the appearance of the article is realized mainly through the change of the physical state of the formed material.
In the demoulding operation, the ejector pin and the top plate are used for demoulding the plastic mould, the ejector pin can be small in stress point when in use, the situation that a plastic finished product is perforated appears, and when the top plate is used, the plastic finished product and the lower mould can be separated, but the top plate and the plastic finished product are attached to each other, so that the top plate demoulding efficiency is poor.
Disclosure of utility model
The utility model aims to provide an injection molding bottom die convenient for demolding, which is used for overcoming the defects in the prior art.
The injection molding bottom die convenient to demolding comprises a bottom die block, wherein an injection molding top die capable of moving up and down is arranged on the upper side of the bottom die block, and a telescopic cylinder capable of moving in a telescopic manner is fixedly connected between the upper end face of the bottom die block and the lower end face of the injection molding top die;
The upper end face of the bottom module is provided with an injection molding cavity with an upward opening, the lower wall of the injection molding cavity is provided with a top plate capable of moving up and down, the lower wall of the injection molding cavity is communicated with a limiting cavity, and the lower wall of the limiting cavity is communicated with a lifting working cavity.
In some embodiments, two lifting rotating shafts are rotationally arranged in the lifting working cavity, lifting blocks capable of moving left and right are arranged in the lifting working cavity, and lifting support rods are rotationally arranged on the outer surfaces of the lifting blocks.
In some embodiments, the lifting support rod is provided with an electromagnetic disengaging cavity near the end face of one side of the top plate, a lifting connecting rod capable of moving left and right is arranged in the electromagnetic disengaging cavity, and a limiting rotating shaft is rotatably arranged near the end face of one side of the center of the lifting connecting rod.
In some embodiments, the lifting connecting rod is rotatably provided with a lifting ejector rod near one side end surface of the top plate, and the upper end surface of the lifting ejector rod is rotatably connected with the lower end surface of the top plate.
In some embodiments, a lifting motor is fixedly arranged on a side wall, close to the center, of the lifting working cavity, and the end face, close to the center, of the lifting rotating shaft is in power connection with the lifting motor.
In some embodiments, a temperature detector is fixedly arranged on the lower end surface of the limiting cavity, and the temperature detector can play a role in detecting the temperature of the top plate.
In some embodiments, the electromagnetic demolding cavity is far away from one side wall of the top plate and the end face of one side of the lifting connecting rod far away from the top plate is fixedly provided with two electromagnets, electromagnetic springs are fixedly connected between the electromagnets on two sides, and the electromagnets are magnetic after being electrified.
In some embodiments, the front end surface of the bottom die block is fixedly provided with a control panel, and the control panel can play a role in controlling the starting and stopping of all motors and cylinders.
Compared with the prior art, the utility model has the advantages that:
1. According to the utility model, the electromagnets are electrified, the electromagnets on the two sides are mutually adsorbed and drive the lifting connecting rod to move towards the side far away from the top plate, and the lifting ejector rod is driven to move downwards, so that the top plate moves downwards briefly, a gap is formed between the upper end surface of the top plate and the lower wall of the injection cavity, the top plate is separated from a plastic finished product, and the situation that the top plate is difficult to take out due to lamination of the top plate and the plastic finished product is avoided.
2. According to the utility model, the lifting support rod moves to one side of the center, so that a plastic finished product and the injection cavity can be driven to be demolded and pushed upwards to the upper side of the injection cavity, the demolding work is completed, the plastic finished product cannot be attached to the upper end face of the top plate, and the plastic finished product can be conveniently taken down, so that the surface quality of the plastic finished product is good, and the conditions such as scratches cannot occur.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is a top view of the present utility model;
FIG. 3 is a left side view of the present utility model;
FIG. 4 is a schematic view of the overall structure of an injection molding bottom die convenient for demolding;
FIG. 5 is a schematic view of the exterior appearance of the electromagnetic cavity assembly of FIG. 4 in accordance with the present utility model;
Figure 6 is a schematic view of the present utility model shown in figure 4 with the working chamber components raised.
In the figure:
11. A bottom module; 12. injection molding of a top mold; 13. a telescopic cylinder; 14. an injection cavity; 15. a top plate; 16. a control panel; 17. lifting the working cavity; 18. a spacing cavity; 19. lifting the supporting rod; 20. lifting a motor; 21. lifting the rotating shaft; 22. lifting blocks; 23. electromagnetic demolding cavity; 24. lifting the connecting rod; 25. lifting the ejector rod; 26. a temperature detector; 27. a limit rotating shaft; 28. an electromagnetic spring; 29. an electromagnet.
Detailed Description
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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
Referring to fig. 1-6, in a first embodiment of the present utility model, an embodiment of an injection molding bottom mold convenient for demolding is provided, which includes a bottom mold block 11, wherein an injection molding top mold 12 capable of moving up and down is provided on the upper side of the bottom mold block 11, and a telescopic cylinder 13 capable of moving in a telescopic manner around is fixedly connected between the upper end surface of the bottom mold block 11 and the lower end surface of the injection molding top mold 12;
The upper end face of the bottom die block 11 is provided with an injection molding cavity 14 with an upward opening, the lower wall of the injection molding cavity 14 is provided with a top plate 15 capable of moving up and down, the lower wall of the injection molding cavity 14 is communicated with a limiting cavity 18, and the lower wall of the limiting cavity 18 is communicated with a lifting working cavity 17.
The lifting working cavity 17 is rotationally provided with two lifting rotating shafts 21, lifting blocks 22 capable of moving left and right are arranged in the lifting working cavity 17, and lifting support rods 19 are rotationally arranged on the outer surfaces of the lifting blocks 22.
The lifting support rod 19 is provided with an electromagnetic release cavity 23 near the end surface of one side of the top plate 15, a lifting connecting rod 24 capable of moving left and right is arranged in the electromagnetic release cavity 23, and a limiting rotating shaft 27 is rotatably arranged near the end surface of one side of the lifting connecting rod 24.
The lifting connecting rod 24 is rotatably provided with a lifting ejector rod 25 near one side end surface of the top plate 15, and the upper end surface of the lifting ejector rod 25 is rotatably connected with the lower end surface of the top plate 15.
The lifting motor 20 is fixedly arranged on the side wall, close to the center, of the lifting working cavity 17, and the end face, close to the center, of the lifting rotating shaft 21 is in power connection with the lifting motor 20.
The lower end surface of the limiting cavity 18 is fixedly provided with a temperature detector 26, and the temperature detector 26 can play a role in detecting the temperature of the top plate 15.
Two electromagnets 29 are fixedly arranged on the side wall, far away from the top plate 15, of the electromagnetic demolding cavity 23 and the end face, far away from the top plate 15, of the lifting connecting rod 24, electromagnetic springs 28 are fixedly connected between the electromagnets 29 on two sides, and the electromagnets 29 are magnetic after being electrified.
The front end face of the bottom die block 11 is fixedly provided with a control panel 16, and the control panel 16 can play a role in controlling the starting and stopping of all motors and air cylinders.
After the injection molding work is finished, along with the upward movement of the injection molding top mold 12, finished plastic can be attached to the lower wall of the injection molding cavity 14, demolding work is needed, at this time, the electromagnets 29 on two sides are electrified, the electromagnets 29 on two sides absorb each other and drive the lifting connecting rod 24 to move far away from the top plate 15 side, the lifting top rod 25 is driven to move downwards, the top plate 15 is enabled to move downwards temporarily, gaps appear between the upper end face of the top plate 15 and the lower wall of the injection molding cavity 14, the top plate 15 is separated from a plastic finished product, then the lifting motor 20 is started, the lifting rotating shaft 21 is driven to rotate, the lifting block 22 is driven to move left and right, the lifting supporting rod 19 is driven to move towards the side close to the center, the lifting connecting rod 24 is driven to rotate, the lifting connecting rod 24 is driven to move upwards under the rotating contact of the limiting rotating shaft 27 and the lifting working cavity 17 close to the side wall at the center, the lifting connecting rod 25 is driven to move upwards, the top plate 15 is driven to move upwards, the plastic finished product is driven to be demolded with the injection molding cavity 14, the demolding work is enabled to move upwards, the demolding work is completed, the plastic finished product cannot be attached to the upper end face of the top plate 15, the finished product can be removed conveniently, the finished product is enabled to be better in quality of the finished product, and the condition such as scratch cannot appear.
The above embodiments are merely illustrative embodiments of the present utility model, but the technical features of the present utility model are not limited thereto, and any changes or modifications made by those skilled in the art within the scope of the present utility model are included in the scope of the present utility model.
Claims (5)
1. Injection moulding die block convenient to drawing of patterns, including end module (11), its characterized in that: an injection molding top die (12) capable of moving up and down is arranged on the upper side of the bottom die block (11), and a telescopic cylinder (13) capable of moving in a telescopic manner is fixedly connected between the upper end face of the bottom die block (11) and the lower end face of the injection molding top die (12);
The upper end face of the bottom die block (11) is provided with an injection molding cavity (14) with an upward opening, the lower wall of the injection molding cavity (14) is provided with a top plate (15) capable of moving up and down, the lower wall of the injection molding cavity (14) is communicated with a limiting cavity (18), and the lower wall of the limiting cavity (18) is communicated with a lifting working cavity (17) at all positions; two lifting rotating shafts (21) are rotationally arranged in the lifting working cavity (17), lifting blocks (22) capable of moving left and right are arranged in the lifting working cavity (17), and lifting support rods (19) are rotationally arranged on the outer surfaces of the lifting blocks (22); an electromagnetic demolding cavity (23) is formed in the end face, close to the top plate (15), of the lifting support rod (19), a lifting connecting rod (24) capable of moving left and right is arranged in the electromagnetic demolding cavity (23), and a limiting rotating shaft (27) is rotatably arranged on the end face, close to the center, of the lifting connecting rod (24); the lifting connecting rod (24) is close to one side end face of the top plate (15) and is provided with a lifting ejector rod (25) in a rotating mode, and the upper end face of the lifting ejector rod (25) is connected with the lower end face of the top plate (15) in a rotating mode.
2. The injection-molded bottom die convenient for demolding as claimed in claim 1, wherein: the lifting working cavity (17) is fixedly provided with a lifting motor (20) close to one side wall of the center, and the end face of the lifting rotating shaft (21) close to one side of the center is in power connection with the lifting motor (20).
3. The injection-molded bottom die convenient for demolding as claimed in claim 1, wherein: the lower end face of the limiting cavity (18) is fixedly provided with a temperature detector (26).
4. The injection-molded bottom die convenient for demolding as claimed in claim 1, wherein: two electromagnets (29) are fixedly arranged on the end face of the side, away from the top plate (15), of the electromagnetic demolding cavity (23) and the end face of the side, away from the top plate (15), of the lifting connecting rod (24), and electromagnetic springs (28) are fixedly connected between the electromagnets (29) on two sides.
5. The injection-molded bottom die convenient for demolding as claimed in claim 1, wherein: the front end face of the bottom die block (11) is fixedly provided with a control panel (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322383154.0U CN221048914U (en) | 2023-09-04 | 2023-09-04 | Injection molding bottom die convenient for demolding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322383154.0U CN221048914U (en) | 2023-09-04 | 2023-09-04 | Injection molding bottom die convenient for demolding |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221048914U true CN221048914U (en) | 2024-05-31 |
Family
ID=91198248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322383154.0U Active CN221048914U (en) | 2023-09-04 | 2023-09-04 | Injection molding bottom die convenient for demolding |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221048914U (en) |
-
2023
- 2023-09-04 CN CN202322383154.0U patent/CN221048914U/en active Active
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| GR01 | Patent grant |