Anti-deformation thermal forming mold frame
By setting protective components between the rear mold frame and the front mold frame of the thermoforming mold, and injecting lubricating oil to lubricate the mold frame connection, the problem of inconvenient disassembly of the mold frame is solved and the deformation resistance of the mold frame is achieved.
Patent Information
- Application Number
- CN202422346441.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-25
- Publication Date
- 2025-07-25
- Estimated Expiration
- 2034-09-25
AI Technical Summary
The rear mold frame and front mold frame of existing thermoforming molds are not convenient to be disassembled during disassembly, which can easily lead to deformation of the mold frame and affect use.
A protective assembly is provided between the rear mold frame and the front mold frame, including a first protective plate, a second protective plate, through holes, a limiting hole, an extension cylinder and a notch, through which lubricating oil is injected to lubricate the mold frame connection and reduce deformation.
Through the use of lubricating oil, the disassembly process of the rear mold frame and the front mold frame is simplified, the deformation of the mold frame is reduced, and the convenience and stability of disassembly are improved.
Smart Images

Figure CN223147690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of thermoforming molds, in particular to an anti-deformation thermoforming mold frame. Background Art
[0002] Thermoforming is a relatively special plastic processing method for processing thermoplastic sheets into various products. Among them, injection molding belongs to a type of thermoforming, and the mold used in injection molding belongs to a type of thermoforming mold. In an injection mold, the mold core between them is fixed by a rear mold base and a front mold base as a frame; currently, positioning guide posts are used for positioning between the rear mold base and the front mold base, and clamps are used for clamping and fixing. After the injection molding is completed, it is not convenient to disassemble between the rear mold base and the front mold base. Improper disassembly is likely to cause the mold base to deform and affect subsequent use. Content of the Utility Model
[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide an anti-deformation thermoforming mold frame to solve the problems that it is not convenient to disassemble between the rear mold base and the front mold base in the prior art, and improper disassembly is likely to cause the mold base to deform and affect subsequent use.
[0004] In view of this, the utility model provides an anti-deformation thermoforming mold frame, which includes a rear mold base and a front mold base. The front mold base is arranged at the top of the rear mold base, and a protection component is arranged between the rear mold base and the front mold base;
[0005] The protection component includes a first protection plate, a second protection plate, a plurality of first through holes, a plurality of limit holes, an extension cylinder and a notch. The first protection plate is welded and fixed to one end of the second protection plate. A plurality of the first through holes are opened on the end faces of the first protection plate and the second protection plate. A plurality of the limit holes are opened on the end faces of the first protection plate and the second protection plate. The extension cylinder is welded and fixed to the inner wall of the limit hole. The notch is opened on the inner wall of the extension cylinder.
[0006] Optionally, the first through holes and the limit holes respectively penetrate through the first protection plate and the second protection plate.
[0007] Optionally, a support column is welded and fixed to one side end face of the first protection plate, and the support column is located between the first protection plate and the second protection plate.
[0008] Optionally, a plurality of fixing columns are fixedly installed at the top of the rear mold base. The fixing columns are inserted into the extension cylinders inside the first protection plate and the second protection plate, and the extension cylinders and the fixing columns are inserted into corresponding holes on the front mold base.
[0009] Optionally, the notch on the extension cylinder is communicated with the space between the first protection plate and the second protection plate.
[0010] Optionally, an inlet is provided on one side of the first protective plate and the second protective plate, and a connection frame is fixedly welded at the inlet on one side of the first protective plate and the second protective plate.
[0011] Optionally, a lubricating member is fixedly installed at the top of the front mold base. A high-temperature resistant cloth is fixedly installed on the inner wall of the lubricating member. A plurality of second through holes are provided on the top of the front mold base, one end of the lubricating member, and the high-temperature resistant cloth. The positions of the second through holes on the front mold base, the lubricating member, and the high-temperature resistant cloth correspond to each other, and the second through holes respectively penetrate through the front mold base, the lubricating member, and the high-temperature resistant cloth.
[0012] It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:
[0013] 1. For an anti-deformation thermoforming mold frame of the present invention, by providing a protection component, lubricating oil can be injected into the connection between the rear mold base and the front mold base through the first protective plate and the second protective plate when disassembling the rear mold base and the front mold base, and lubricating oil can be injected onto the outer wall of the fixed column through the extension tube, so that lubrication can be carried out between the rear mold base and the front mold base, and they can be separated more conveniently. When disassembling the rear mold base and the front mold base, deformation of the rear mold base and the front mold base can be reduced.
[0014] 2. For an anti-deformation thermoforming mold frame of the present invention, by providing a lubricating member, lubricating oil is injected into the lubricating member, and the high-temperature resistant cloth can absorb the lubricating oil to reduce the outflow of the lubricating oil from the second through holes. When fixing the mold core, the ejector pin passes through the second through holes, which can lubricate the ejector pin and make the installation and disassembly of the ejector pin more convenient.
[0015] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The following further describes the present invention with reference to the drawings:
[0017] Figure 1 is a schematic structural diagram of the present invention;
[0018] Figure 2 is a cross-sectional view of the first protective plate and the second protective plate of the present invention;
[0019] Figure 3 is a cross-sectional view of the extension tube of the present invention;
[0020] Figure 4 is the present invention Figure 2 Enlarged view at A in.
[0021] Description of the reference numerals: 1. Rear mold base; 2. Fixed column; 3. Front mold base; 4. First protective plate; 5. Second protective plate; 6. First through hole; 7. Support column; 8. Entrance; 9. Connection frame; 10. Limit hole; 11. Extension cylinder; 12. Notch; 13. Lubricating part; 14. High-temperature resistant cloth; 15. Second through hole. Detailed implementation mode
[0022] The technical solutions of the embodiments of the present invention will be explained and described below with reference to the accompanying drawings of the embodiments of the present invention. However, the following embodiments are only the preferred embodiments of the present invention and not all of them. Based on the embodiments in the implementation manners, other embodiments obtained by those skilled in the art without creative efforts all fall within the protection scope of the present invention.
[0023] The following specifically describes an anti-deformation thermoforming mold frame of an embodiment of the present invention with reference to the accompanying drawings.
[0024] Embodiment 1
[0025] For the convenience of understanding, please refer to Figures 1 to 4 , an embodiment of an anti-deformation thermoforming mold frame provided by the present invention includes a rear mold base 1 and a front mold base 3. The front mold base 3 is arranged at the top of the rear mold base 1, and a protection component is arranged between the rear mold base 1 and the front mold base 3. The protection component includes a first protective plate 4, a second protective plate 5, a plurality of first through holes 6, a plurality of limit holes 10, an extension cylinder 11 and a notch 12. The first protective plate 4 is welded and fixed to one end of the second protective plate 5. A plurality of first through holes 6 are opened on the end faces of the first protective plate 4 and the second protective plate 5. A plurality of limit holes 10 are opened on the end faces of the first protective plate 4 and the second protective plate 5. The extension cylinder 11 is welded and fixed to the inner wall of the limit hole 10. The notch 12 is opened on the inner wall of the extension cylinder 11.
[0026] It should be noted that by setting the protection component, lubricating oil can be injected into the connection between the rear mold base 1 and the front mold base 3 through the first protective plate 4 and the second protective plate 5 when disassembling the rear mold base 1 and the front mold base 3, and lubricating oil can be injected into the outer wall of the fixed column 2 through the extension cylinder 11, so that the rear mold base 1 and the front mold base 3 can be lubricated and separated more conveniently. When disassembling the rear mold base 1 and the front mold base 3, the deformation of the rear mold base 1 and the front mold base 3 can be reduced. By arranging the first protective plate 4 and the second protective plate 5 to protect between the rear mold base 1 and the front mold base 3, lubricating oil can be injected into the space between the rear mold base 1 and the front mold base 3 and the outer wall of the fixed column 2 through the first through holes 6 and the notches 12.
[0027] In some embodiments, such as Figure 3 , Figure 4As shown, the first through-hole 6 and the limiting hole 10 penetrate through the first protective plate 4 and the second protective plate 5 respectively. A support column 7 is fixedly welded to one end face of the first protective plate 4. The support column 7 is located between the first protective plate 4 and the second protective plate 5. A plurality of fixing columns 2 are fixedly installed at the top of the rear mold base 1. The fixing columns 2 are inserted into the extension cylinders 11 on the first protective plate 4 and the second protective plate 5. The extension cylinders 11 and the fixing columns 2 are inserted into the corresponding holes on the front mold base 3.
[0028] It should be noted that by providing the support column 7, the space between the first protective plate 4 and the second protective plate 5 is supported, increasing the strength of the first protective plate 4 and the second protective plate 5.
[0029] In some embodiments, as Figure 2 shown, the notch 12 on the extension cylinder 11 is communicated with the space between the first protective plate 4 and the second protective plate 5. An inlet 8 is provided on one side of the first protective plate 4 and the second protective plate 5. A connecting frame 9 is fixedly welded at the inlet 8 on one side of the first protective plate 4 and the second protective plate 5.
[0030] It should be noted that a space for lubricating oil to pass through is formed between the first protective plate 4 and the second protective plate 5, and the lubricating oil can be conveyed to the notch 12. The connecting frame 9 can be connected to an external lubricating oil pump to convey lubricating oil between the first protective plate 4 and the second protective plate 5.
[0031] In this embodiment, the first protective plate 4 and the second protective plate 5 are in the shape of a rectangular frame.
[0032] Embodiment 2
[0033] In some embodiments, as Figure 2 shown, a lubricating member 13 is fixedly installed at the top of the front mold base 3. A high-temperature resistant cloth 14 is fixedly installed on the inner wall of the lubricating member 13. A plurality of second through-holes 15 are provided on the top of the front mold base 3, one end of the lubricating member 13, and the high-temperature resistant cloth 14. The positions of the second through-holes 15 on the front mold base 3, the lubricating member 13, and the high-temperature resistant cloth 14 correspond to each other. The second through-holes 15 penetrate through the front mold base 3, the lubricating member 13, and the high-temperature resistant cloth 14 respectively.
[0034] It should be noted that by providing the lubricating member 13, lubricating oil is injected into the lubricating member 13. The high-temperature resistant cloth 14 can absorb the lubricating oil, reducing the outflow of the lubricating oil from the second through-holes 15. When fixing the mold core, the ejector pin passes through the second through-holes 15, which can lubricate the ejector pin and make the installation and disassembly of the ejector pin more convenient.
[0035] In this embodiment, the high-temperature resistant cloth 14 can be made of fiberglass woven cloth.
[0036] Working principle: When installing the rear mold base 1 and the front mold base 3, place the first protective plate 4 and the second protective plate 5 on the top of the rear mold base 1. At this time, insert the fixed column 2 into the corresponding extension cylinder 11, and install the front mold base 3 on the end face of the second protective plate 5. At this time, the extension cylinder 11 and the fixed column 2 are inserted into the holes on the front mold base 3. When disassembling the rear mold base 1 and the front mold base 3, the lubricating oil pump transports lubricating oil between the first protective plate 4 and the second protective plate 5. The lubricating oil is transported between the rear mold base 1 and the front mold base 3 to lubricate between the rear mold base 1 and the front mold base 3.
[0037] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than limiting them; although the present application has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An anti-deformation hot forming die frame, characterized in that: It includes a rear mold base (1) and a front mold base (3). The front mold base (3) is arranged at the top of the rear mold base (1), and a protection component is arranged between the rear mold base (1) and the front mold base (3). The protection component includes a first protection plate (4), a second protection plate (5), a number of first through holes (6), a number of limiting holes (10), an extension cylinder (11) and a notch (12). The first protection plate (4) is welded and fixed to one end of the second protection plate (5). A number of the first through holes (6) are opened on the end faces of the first protection plate (4) and the second protection plate (5). A number of the limiting holes (10) are opened on the end faces of the first protection plate (4) and the second protection plate (5). The extension cylinder (11) is welded and fixed to the inner wall of the limiting hole (10). The notch (12) is opened on the inner wall of the extension cylinder (11).
2. The anti-deformation thermoforming die frame according to claim 1, characterized in that: The first through holes (6) and the limiting holes (10) respectively penetrate through the first protection plate (4) and the second protection plate (5).
3. The anti-deformation thermoforming die frame according to claim 1, characterized in that: A support column (7) is welded and fixed to one side end face of the first protection plate (4). The support column (7) is located between the first protection plate (4) and the second protection plate (5).
4. The anti-deformation hot forming die frame according to claim 1, characterized in that: A number of fixed columns (2) are fixedly installed at the top of the rear mold base (1). The fixed columns (2) are inserted into the inside of the extension cylinders (11) on the first protection plate (4) and the second protection plate (5). The extension cylinders (11) and the fixed columns (2) are inserted into corresponding holes on the front mold base (3).
5. The anti-deformation hot forming die frame according to claim 1, characterized in that: The notch (12) on the extension cylinder (11) communicates with the space between the first protection plate (4) and the second protection plate (5).
6. The anti-deformation thermoforming die frame according to claim 1, wherein: An inlet (8) is opened on one side of the first protection plate (4) and the second protection plate (5). A connection frame (9) is welded and fixed at the inlet (8) on one side of the first protection plate (4) and the second protection plate (5).
7. The anti-deformation thermoforming die frame according to claim 1, wherein: A lubricating part (13) is fixedly installed at the top of the front mold base (3). A high-temperature resistant cloth (14) is fixedly installed on the inner wall of the lubricating part (13). A number of second through holes (15) are opened on the top of the front mold base (3), one end of the lubricating part (13) and the high-temperature resistant cloth (14). The second through holes (15) on the front mold base (3), the lubricating part (13) and the high-temperature resistant cloth (14) are in corresponding positions. The second through holes (15) respectively penetrate through the front mold base (3), the lubricating part (13) and the high-temperature resistant cloth (14).