Heating device for PU sole production
By designing a heating device for PU sole production, and directly heating the mold with a hydraulic rod-driven sealing and heating assembly, the problem of low heating treatment efficiency of PU sole in the prior art is solved, efficient heating treatment is achieved, and production efficiency is improved.
Patent Information
- Application Number
- CN202422232276.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-12
- Publication Date
- 2025-06-27
- Estimated Expiration
- 2034-09-12
AI Technical Summary
In the production process of PU sole, the efficiency of heating treatment of sole in the prior art is low, and unnecessary time is required to transfer molds and reset, resulting in a reduction in production efficiency.
A heating device for PU sole production is designed, including components such as operating table, mold, protective cover, fixing frame and hydraulic rod. Through the sealing and heating components driven by hydraulic rod, the mold is coated and directly heated to reduce heat loss and improve heating efficiency.
This device can efficiently heat the PU sole without transferring the heating location, thereby improving the efficiency of PU sole production.
Smart Images

Figure CN223030383U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of PU sole production, in particular to a heating device for PU sole production. Background Technique
[0002] Polyurethane is a polymer with a repeating structural unit of urethane segments, which is made by reacting isocyanate with polyol. Compared with ordinary rubber soles, PU soles have the characteristics of light weight and good wear resistance. PU soles are mainly made of polyurethane resin.
[0003] During the production process of PU soles, heat treatment is required for bonding with other parts by heating. Currently, when heat-treating the soles, generally the soles and accessories are installed inside the mold, and then the mold is transferred to the heating mechanism for heat treatment. However, it takes extra time to transfer the mold, and after heating, the product needs to be taken out and the mold needs to be reset, reducing the production efficiency of PU soles. Content of the Utility Model
[0004] The purpose of the utility model is to provide a heating device for PU sole production to solve the problems mentioned in the above background technique.
[0005] To achieve the above purpose, the utility model provides the following technical solution: A heating device for PU sole production, including an operation table, and further including:
[0006] A mold disposed outside the operation table, a protective cover is disposed outside the operation table, and a closing component for surrounding the outside of the mold is disposed inside the protective cover;
[0007] A fixing frame disposed outside the operation table, a plugging component for closing the upper part of the mold is disposed outside the fixing frame, and a heating component for heat-treating the mold is disposed outside the operation table.
[0008] Preferably, the closing component includes a first hydraulic rod disposed inside the protective cover, a moving block is disposed on the piston rod of the first hydraulic rod, and a closing cover is disposed outside the moving block.
[0009] Preferably, the plugging component includes a second hydraulic rod disposed outside the fixing frame, a clamping cover is disposed on the piston rod of the second hydraulic rod, and a pressing block is disposed inside the clamping cover.
[0010] Preferably, the heating component includes a support table disposed outside the operation table, a third hydraulic rod is disposed outside the support table, a housing is disposed on the piston rod of the third hydraulic rod, heating rods and heating blocks are disposed outside the housing, and a heat conduction block is disposed outside the clamping cover.
[0011] Preferably, a through groove is provided on the outer side of the closed cover.
[0012] Preferably, a limiting block is provided on the outer side of the closed cover, and a limiting guide rail is provided on the outer side of the operating table.
[0013] Preferably, a slider is provided at the bottom of the housing, and a sliding groove is provided at the top of the support table.
[0014] Compared with the prior art, the beneficial effects of the present utility model are as follows:
[0015] In the present utility model, the second hydraulic rod drives the clamping cover to move downward and be clamped on the top of the mold. The pressing block inside the clamping cover can press and limit the product inside the mold. The first hydraulic rods on both sides drive the moving blocks and the closed cover on both sides to move closer to the middle, covering the mold inside. The mold is covered by the closed cover and the clamping cover. Then, the third hydraulic rod drives the housing to move, and the heating rod passes through the through groove on the closed cover to contact the mold, transferring heat to the mold for heating treatment. At the same time, the heating block contacts the heat conducting block, and the heat is transferred to the clamping cover and the mold through the heat conducting block. The mold covered inside the closed cover and the clamping cover can reduce heat dissipation, improve the heating effect, and the product can be heated after being placed inside the mold without the need to transfer the heating location, with high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 is a schematic structural diagram of a heating device for PU sole production provided by the present utility model;
[0017] Figure 2 is a schematic internal structure diagram of a protective cover provided by the present utility model;
[0018] Figure 3 is a schematic structural diagram of a closing assembly provided by the present utility model;
[0019] Figure 4 is a schematic structural diagram of a plugging assembly provided by the present utility model.
[0020] In the figure: 1, operating table; 2, mold; 3, protective cover; 4, closing assembly; 401, first hydraulic rod; 402, moving block; 403, closed cover; 5, fixing frame; 6, plugging assembly; 601, second hydraulic rod; 602, clamping cover; 603, pressing block; 7, heating assembly; 701, support table; 702, third hydraulic rod; 703, housing; 704, heating rod; 705, heating block; 706, heat conducting block; 8, limiting block; 9, limiting guide rail; 10, through groove. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.
[0022] Please refer to Figures 1-4 As shown, a heating device for the production of PU soles includes an operating table 1, and further includes: a mold 2 disposed outside the operating table 1, and the mold 2 is welded to the middle of the operating table 1; a protective cover 3 is disposed outside the operating table 1, and the protective cover 3 is fixed to both sides of the operating table 1 by bolts; a sealing component 4 for surrounding the outside of the mold 2 is disposed inside the protective cover 3, and the side of the mold 2 is covered by the sealing component 4; a fixing frame 5 is disposed outside the operating table 1, and a plugging component 6 for closing the upper part of the mold 2 is disposed outside the fixing frame 5. By setting the plugging component 6, the upper part of the mold 2 is closed from above, and a heating component 7 for heating the mold 2 is disposed outside the operating table 1, and the mold 2 is heated by the heating component 7.
[0023] The sealing component 4 includes a first hydraulic rod 401 disposed inside the protective cover 3, and the first hydraulic rod 401 is fixed to the protective cover 3. A moving block 402 is disposed on the piston rod of the first hydraulic rod 401, and the moving block 402 is fixed to the piston rod of the first hydraulic rod 401 through a mounting sleeve. A sealing cover 403 is disposed outside the moving block 402, and the sealing cover 403 is welded to the moving block 402. The moving blocks 402 and the sealing covers 403 on both sides are driven by the first hydraulic rods 401 on both sides to approach the middle, and the mold 2 is wrapped inside.
[0024] The plugging component 6 includes a second hydraulic rod 601 disposed outside the fixing frame 5, and the second hydraulic rod 601 is welded to the fixing frame 5. A clamping cover 602 is disposed on the piston rod of the second hydraulic rod 601, and the clamping cover 602 is fixed to the piston rod of the second hydraulic rod 601. A pressing block 603 is disposed inside the clamping cover 602, and the pressing block 603 is fixed to the top of the inner cavity of the clamping cover 602. The second hydraulic rod 601 drives the clamping cover 602 to move down and be clamped on the top of the mold 2, and the pressing block 603 inside the clamping cover 602 can be used to pressurize and limit the products inside the mold 2.
[0025] The heating component 7 includes a support platform 701 disposed outside the operation table 1. The support platform 701 is welded to the operation table 1. A third hydraulic rod 702 is disposed outside the support platform 701. The third hydraulic rod 702 is fixed to the top of the support platform 701 through a bracket. A housing 703 is provided on the piston rod of the third hydraulic rod 702. A heating rod 704 and a heating block 705 are disposed outside the housing 703. A heat conducting block 706 is disposed outside the clamping cover 602. A through groove 10 is formed on the outside of the closed cover 403. The housing 703 is driven by the third hydraulic rod 702 to move, and the heating rod 704 passes through the through groove 10 on the closed cover 403 to contact the mold 2, transferring heat to the mold 2 for heat treatment. At the same time, the heating block 705 contacts the heat conducting block 706, and the heat is transferred to the clamping cover 602 and the mold 2 through the heat conducting block 706. The mold 2, the closed cover 403, and the clamping cover 602 are all made of metal and have heat conducting properties.
[0026] Limit blocks 8 are disposed outside the closed cover 403. The limit blocks 8 are welded to both sides of the closed cover 403. A limit guide rail 9 is disposed outside the operation table 1. The limit blocks 8 slide inside the limit guide rail 9. A slider is provided at the bottom of the housing 703, and a chute is provided at the top of the support platform 701. When the housing 703 moves, the slider is driven to slide inside the chute, improving the stability of the housing 703.
[0027] Working principle: During use, the product is placed inside the mold 2. Then, the second hydraulic rod 601 drives the clamping cover 602 to move downward and be clamped on the top of the mold 2. The pressing block 603 inside the clamping cover 602 can apply pressure and limit the product inside the mold 2. The two side first hydraulic rods 401 drive the two side moving blocks 402 and the closed cover 403 to move closer to the middle, covering the mold 2 inside. The mold 2 is covered by the closed cover 403 and the clamping cover 602. Then, the third hydraulic rod 702 drives the housing 703 to move, and the heating rod 704 passes through the through groove 10 on the closed cover 403 to contact the mold 2, transferring heat to the mold 2 for heat treatment. At the same time, the heating block 705 contacts the heat conducting block 706, and the heat is transferred to the clamping cover 602 and the mold 2 through the heat conducting block 706. The mold 2, the closed cover 403, and the clamping cover 602 are all made of metal and have heat conducting properties. Heat treatment of the mold 2 can reduce heat dissipation of the mold 2 covered inside the closed cover 403 and the clamping cover 602, improving the heating effect. Moreover, after the product is placed inside the mold 2, heat treatment can be carried out immediately without transferring the heating location, with high efficiency.
[0028] It should be noted that in this text, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprising", "including" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device. Without further limitation, an element defined by the statement "comprising an..." does not exclude the presence of additional identical elements in the process, method, article or device comprising the element.
[0029] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A heating device for PU sole production, comprising an operating table (1), characterized in that: Also includes: A mold (2) is arranged outside an operating table (1), a protective cover (3) is arranged outside the operating table (1), and a sealing component (4) is arranged inside the protective cover (3) for surrounding the outside of the mold (2); A fixing frame (5) is arranged on the outside of the operating table (1), and a blocking component (6) for sealing the upper part of the mold (2) is arranged on the outside of the fixing frame (5), and a heating component (7) for heating the mold (2) is arranged on the outside of the operating table (1).
2. A heating device for PU sole production according to claim 1, characterized in that: The sealing component (4) comprises a first hydraulic rod (401) arranged inside the protective cover (3), the piston rod of the first hydraulic rod (401) is provided with a moving block (402), and the outer side of the moving block (402) is provided with a sealing cover (403).
3. A heating device for PU sole production according to claim 1, characterized in that: The blocking assembly (6) comprises a second hydraulic rod (601) arranged outside the fixing frame (5); the piston rod of the second hydraulic rod (601) is provided with a card cover (602); and a pressure block (603) is provided inside the card cover (602).
4. A heating device for PU sole production according to claim 3, characterized in that: The heating assembly (7) comprises a support platform (701) arranged on the outside of the operating platform (1); a third hydraulic rod (702) is arranged on the outside of the support platform (701); a piston rod of the third hydraulic rod (702) is provided with a shell (703); a heating rod (704) and a heating block (705) are arranged on the outside of the shell (703); and a heat conduction block (706) is arranged on the outside of the card cover (602).
5. A heating device for PU sole production according to claim 2, characterized in that: A through groove (10) is formed on the outer side of the closing cover (403).
6. A heating device for PU sole production according to claim 2, characterized in that: A limit block (8) is arranged on the outer side of the closing cover (403), and a limit guide rail (9) is arranged on the outer side of the operating table (1).
7. A heating device for PU sole production according to claim 4, characterized in that: A sliding block is provided at the bottom of the housing (703), and a sliding groove is provided at the top of the support platform (701).