Plastic sheet hot-pressing processing device

Abstract

The utility model discloses a plastic sheet hot-pressing processing device which comprises a fixing frame, a sliding table and a processing table, a lifting hydraulic mechanism is fixed on the outer wall of the top of the fixing frame through bolts, a transmission shaft is arranged on an output shaft of the lifting hydraulic mechanism, and a lifting groove is formed in the outer wall of the top of the fixing frame. A fixed ring is welded to one end of the transmission shaft, a rotating ring is welded to the outer wall of one side of the fixed ring, a hot pressing plate is arranged on the outer wall of the bottom of the fixed ring, and a driven rod is welded to the outer wall of one side of the sliding table. The lifting hydraulic mechanism drives the rotating shaft to move, the rotating shaft drives the fixed circular ring to move, the fixed circular ring drives the rotating circular ring to move, the rotating circular ring drives the driving rod to rotate, the driving rod drives the circular ring sliding block to move, the circular ring sliding block drives the driven rod to move, and the driven rod drives the sliding table to move. And the function that the sliding table is automatically pushed out after machining is completed is achieved, and the problem that hands are scalded when workers place or take out plastic sheets is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic product production, in particular to a plastic sheet hot pressing processing device. Background Art

[0002] A special plastic processing method for processing thermoplastic plastic sheets into various products. The sheets are clamped on a frame and heated to a softened state. Under the action of external force, they are pressed against the mold surface to obtain a shape similar to the mold surface. After cooling and shaping, they are trimmed to form products. This process is also used in rubber processing. In recent years, thermoforming has made new progress, such as continuous production technology from extruded sheets to thermoforming.

[0003] For example, a hot pressing processing equipment with an authorization announcement number of CN220482616U and an announcement date of 2024.02.13, a plurality of first positioning columns, a second positioning column and a third positioning column are arranged on the upper surface of the lower mold, a positioning plate located on the upper surface of the lower mold is correspondingly mounted on the circumferential outer wall of the first positioning column, the second positioning column and the third positioning column, and the plastic part is placed on the upper surface of the positioning plate, the metal part located above the plastic part is mounted on the circumferential outer wall of the third positioning column, a first limiting column is arranged on the top of the first positioning column, and the first limiting column can pass through the metal part and be embedded in the first limiting hole of the silicone plate, a second limiting column is arranged on the top of the second positioning column, and the plastic part is provided with a plurality of second limiting holes corresponding to the second limiting columns.

[0004] When hot pressing plastic sheets, workers need to put their hands under the hot pressing plate to place and take out the raw materials and finished products of plastic sheets. It is easy to burn the hands of workers due to operational errors, which poses certain safety hazards. Therefore, it is urgent to design a plastic sheet hot pressing processing device to solve the above problems. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a plastic sheet hot pressing processing device.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A plastic sheet hot pressing processing device comprises a fixed frame, a sliding table and a processing table, a lifting hydraulic mechanism is fixed to the outer wall of the top of the fixed frame by bolts, and a transmission shaft is arranged on the output shaft of the lifting hydraulic mechanism, a lifting groove is opened on the outer wall of the top of the fixed frame, a fixed ring is welded at one end of the transmission shaft, and a rotating ring is welded on the outer wall of one side of the fixed ring, a hot pressing plate is arranged on the outer wall of the bottom of the fixed ring, a driven rod is welded on the outer wall of one side of the sliding table, and a ring slider is welded on the outer wall of the top of the driven rod, and a driving rod is rotatably connected between the inside of the ring slider and the inside of the rotating ring through a rotating shaft.

[0008] Furthermore, a support seat is welded on the outer wall of the bottom of the sliding platform, and a sliding block is slidably connected inside the support seat. A roller is rotatably connected inside the sliding block via a rotating shaft. Damping springs are provided on the top inner wall of the support seat and the top of the sliding block.

[0009] Furthermore, a sliding groove is provided on the outer wall of the sliding table, and a push rod is arranged inside the sliding groove, a T-slot is provided on the outer wall of the processing table, and a push plate is arranged inside the T-slot, a return spring is sleeved on the outer wall of the push rod, and one end of the push rod is welded to the push plate, and a convex circle is welded on the outer wall of the top of the workbench.

[0010] Furthermore, the outer wall of the sliding table is provided with a fixing groove, and the interior of the fixing groove is slidably connected with a threaded nail, the outer wall of the processing table is threadedly connected to the threaded nail, and the outer wall of the top of the sliding table is provided with a sliding heat dissipation hole.

[0011] Furthermore, a workbench is arranged on the inner wall of the bottom of the fixing frame, a heat dissipation groove is arranged on the outer wall of the bottom of the workbench, and a fan housing is fixed inside the heat dissipation groove by bolts.

[0012] Furthermore, a driving motor is fixed to the outer wall of the bottom of the fan housing by bolts, and a fan is arranged on the output shaft of the driving motor.

[0013] Furthermore, a limiting block is welded on the outer wall of the top of the workbench, and a working heat dissipation hole is opened on the outer wall of the top of the workbench, and the inner wall of the fixing frame is connected to the workbench.

[0014] The beneficial effects of the utility model are:

[0015] 1. Through the setting of the lifting hydraulic mechanism, lifting groove, rotating shaft, fixed ring, rotating ring, driving rod, driven rod, sliding table and ring slider, the lifting hydraulic mechanism drives the rotating shaft to move, the rotating shaft drives the fixed ring to move, the fixed ring drives the rotating ring to move, the rotating ring drives the driving rod to rotate, the driving rod drives the ring slider to move, the ring slider drives the driven rod to move, and the driven rod drives the sliding table to move, thereby realizing the function of automatically pushing out the sliding table after processing, and solving the problem of workers getting their hands burned when placing or taking out plastic sheets.

[0016] 2. Through the heat dissipation grooves, sliding heat dissipation holes, working heat dissipation holes, fan housing, fan and drive motor, the drive motor drives the fan to rotate, the fan drives the cold air to pass through the working heat dissipation holes, and the cold air passes through the sliding heat dissipation holes, thereby realizing the function of heat dissipation of the finished plastic sheets to accelerate production efficiency and solve the problem of high-temperature plastic sheets scalding the hands of workers.

[0017] 3. By setting the support seat, sliding block, roller and damping spring, the support seat moves downward, the sliding block squeezes the damping spring, and the damping spring provides elastic force to realize the function of absorbing impact force, thereby solving the problem of damage to the processing table when it is subjected to a large impact during long-term use, and effectively improving its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a plastic sheet hot pressing processing device proposed by the utility model;

[0019] Figure 2 This is a side cross-sectional structural schematic diagram of a plastic sheet hot pressing processing device proposed by the utility model;

[0020] Figure 3 This is a schematic diagram of the structure of a shock absorber for a plastic sheet hot pressing processing device proposed by the utility model;

[0021] Figure 4 This is an enlarged structural schematic diagram of the push rod cross-section structure of a plastic sheet hot pressing processing device proposed by the utility model.

[0022] In the figure: 1. fixed frame; 2. lifting hydraulic mechanism; 3. lifting slot; 4. transmission shaft; 5. fixed ring; 6. rotating ring; 7. driving rod; 8. driven rod; 9. limit block; 10. workbench; 11. sliding table; 12. convex circle; 13. sliding slot; 14. push rod; 15. return spring; 16. push plate; 17. T-slot; 18. hot pressing plate; 19. sliding heat dissipation hole; 20. processing table; 21. fixed slot; 22. threaded nail; 23. support seat; 24. sliding block; 25. roller; 26. damping spring; 27. heat dissipation slot; 28. working heat dissipation hole; 29. ​​fan; 30. driving motor; 31. ring slider; 32. fan casing. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0026] Reference Figure 1-4A plastic sheet hot pressing processing device comprises a fixed frame 1, a sliding table 11 and a processing table 20. A lifting hydraulic mechanism 2 is fixed to the outer wall of the top of the fixed frame 1 by bolts, and a transmission shaft 4 is arranged on the output shaft of the lifting hydraulic mechanism 2. A lifting groove 3 is opened on the outer wall of the top of the fixed frame 1. A fixed ring 5 is welded at one end of the transmission shaft 4, and a rotating ring 6 is welded on the outer wall of one side of the fixed ring 5. A hot pressing plate 18 is arranged on the outer wall of the bottom of the fixed ring 5. A driven rod 8 is welded on the outer wall of one side of the sliding table 11, and a circular ring slider 31 is welded on the outer wall of the top of the driven rod 8. A driving rod 7 is rotatably connected between the inside of the circular ring slider 31 and the inside of the rotating circular ring 6 through a rotating shaft. The driving rod 7 drives the circular ring slider 31 to move, and the circular ring slider 31 drives the driven rod 8 to move, so that the function of returning the workbench 10 when the hot pressing plate 18 rises and pushing out the workbench 10 when the hot pressing plate 18 descends is realized.

[0027] In one embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, a support seat 23 is welded on the outer wall at the bottom of the sliding table 11, and a sliding block 24 is slidably connected inside the support seat 23. A roller 25 is rotatably connected inside the sliding block 24 via a rotating shaft. A damping spring 26 is provided between the top inner wall of the support seat 23 and the top of the sliding block 24.

[0028] In another embodiment provided by the present utility model, Figure 1 and Figure 2 As shown, a sliding groove 13 is opened on the outer wall of the sliding table 11, and a push rod 14 is arranged inside the sliding groove 13, a T-slot 17 is opened on the outer wall of the processing table 20, and a push plate 16 is arranged inside the T-slot 17, a return spring 15 is sleeved on the outer wall of the push rod 14, and one end of the push rod 14 is welded to the push plate 16, a cam 12 is welded on the outer wall of the top of the workbench 10, the cam 12 is in contact with the push rod 14, and the push rod 14 rises to drive the push plate 16 to move, thereby realizing the function of preventing the plastic sheet from sticking to the workbench 10.

[0029] In another embodiment provided by the present utility model, Figure 2 and Figure 3 As shown, the outer wall of the sliding table 11 is provided with a fixing groove 21, and the interior of the fixing groove 21 is slidably connected with a threaded nail 22, the outer wall of the processing table 20 is threadedly connected with the threaded nail 22, and the outer wall of the top of the sliding table 11 is provided with a sliding heat dissipation hole 19, and the processing table 20 is fixed with a threaded nail 22, thereby realizing the function of facilitating the disassembly and replacement of the workbench 10.

[0030] In one embodiment provided by the present utility model, Figure 2As shown, a workbench 10 is arranged on the inner wall of the bottom of the fixing frame 1, a heat dissipation groove 27 is opened on the outer wall of the bottom of the workbench 10, and a fan housing 32 is fixed inside the heat dissipation groove 27 by bolts, and the fan housing 32 is installed in the heat dissipation groove 27, thereby realizing the function of fixing the fan 29 and the drive motor 30.

[0031] In another embodiment provided by the present utility model, Figure 2 As shown, a drive motor 30 is fixed to the outer wall at the bottom of the fan housing 32 by bolts, and a fan 29 is arranged on the output shaft of the drive motor 30. The drive motor 30 drives the fan 29 to rotate, and the fan 29 blows out cold air, thereby realizing the function of cooling the plastic sheets on the processing table 20.

[0032] In another embodiment provided by the present utility model, Figure 1 and Figure 2 As shown, a limit block 9 is welded on the outer wall of the top of the workbench 10, and a working heat dissipation hole 28 is opened on the outer wall of the top of the workbench 10. The inner wall of the fixed frame 1 is connected to the workbench 10. The limit block 9 is set on the workbench 10, and the driven rod 8 slides in the limit block 9, thereby realizing the function of limiting the driven rod 8.

[0033] Working principle: when the processing is completed, the lifting hydraulic mechanism 2 is started, the lifting hydraulic mechanism 2 drives the transmission shaft 4 to rise in the lifting groove 3, the transmission shaft 4 drives the fixed ring 5 to rise, the fixed ring 5 drives the hot pressing plate 18 to rise, the fixed ring 5 drives the rotating ring 6 to move, the rotating ring 6 drives the driving rod 7 to rotate, the driving rod 7 drives the ring slider 31 to move, the ring slider 31 drives the driven rod 8 to move, the driven rod 8 slides in the limit block 9, the driven rod 8 drives the sliding table 11 to move, the sliding table 11 drives the processing table 20 to move outward, realizes the function of pushing the sliding table 11 out, solves the problem that the staff needs to place their hands under the hot pressing plate 18 when taking out the plastic sheet, avoids scalding the staff's hands, the push rod 14 contacts the convex circle 12, the push rod 14 moves upward, the push rod 14 moves in the sliding groove 13, the push rod 14 squeezes the return spring 15, the return spring 15 provides elastic force, realizes the function of returning the push rod 14, the push rod 14 drives the push plate 16 to move, the push plate 16 is in T The sliding in the groove 17 realizes the function of ejecting the plastic sheet, and solves the problem that the plastic sheet is adhered to the processing table 20 and is not easy to be taken out during hot pressing. When the sliding table 11 moves to the working heat dissipation hole 28, the driving motor 30 is started, and the driving motor 30 drives the fan 29 to rotate. The fan 29 blows out cold air through the working heat dissipation hole 28 and the sliding heat dissipation hole 19, and realizes the function of cooling the plastic sheet on the processing table 20, and solves the problem that the temperature is too high and the hands of the staff are scalded, thereby affecting the production efficiency. During hot pressing, the hot pressing plate 18 descends and extrude the processing table 20, and the processing table 20 squeezes the sliding table 11. The sliding table 11 drives the support seat 23 to move downward, and the support seat 23 squeezes the damping spring 26. The damping spring 26 is compressed to absorb the impact force, and the problem that the processing table 20 is damaged by a large impact is solved, and the service life is effectively improved. When the processing table 20 is replaced, the threaded nail 22 is unscrewed to realize the function of replacing the processing table 20, which effectively meets the use requirements of hot processing of plastic sheets.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A plastic sheet hot pressing processing device, comprising a fixed frame (1), a sliding table (11) and a processing table (20), characterized in that: A lifting hydraulic mechanism (2) is fixed to the outer wall of the top of the fixed frame (1) by bolts, and a transmission shaft (4) is arranged on the output shaft of the lifting hydraulic mechanism (2); a lifting groove (3) is opened on the outer wall of the top of the fixed frame (1); a fixed ring (5) is welded to one end of the transmission shaft (4); a rotating ring (6) is welded to the outer wall of one side of the fixed ring (5); a hot pressing plate (18) is arranged on the outer wall of the bottom of the fixed ring (5); a driven rod (8) is welded to the outer wall of one side of the sliding table (11); a circular ring slider (31) is welded to the outer wall of the top of the driven rod (8); a driving rod (7) is rotatably connected between the inside of the circular ring slider (31) and the inside of the rotating ring (6) via a rotating shaft.

2. A plastic sheet hot pressing processing device according to claim 1, characterized in that: A support seat (23) is welded on the outer wall of the bottom of the sliding platform (11), and a sliding block (24) is slidably connected inside the support seat (23), and a roller (25) is rotatably connected inside the sliding block (24) via a rotating shaft, and a damping spring (26) is provided on the top inner wall of the support seat (23) and the top end of the sliding block (24).

3. A plastic sheet hot pressing processing device according to claim 2, characterized in that: The outer wall of the sliding table (11) is provided with a sliding groove (13), and a push rod (14) is arranged inside the sliding groove (13); the outer wall of the processing table (20) is provided with a T-shaped groove (17), and a push plate (16) is arranged inside the T-shaped groove (17); a return spring (15) is sleeved on the outer wall of the push rod (14), and one end of the push rod (14) is welded to the push plate (16).

4. A plastic sheet hot pressing processing device according to claim 3, characterized in that: The outer wall of the sliding table (11) is provided with a fixing groove (21), and the interior of the fixing groove (21) is slidably connected with a threaded nail (22), the outer wall of the processing table (20) is threadedly connected to the threaded nail (22), and the outer wall of the top of the sliding table (11) is provided with a sliding heat dissipation hole (19).

5. A plastic sheet hot pressing processing device according to claim 4, characterized in that: A workbench (10) is arranged on the inner wall of the bottom of the fixing frame (1), a convex circle (12) is welded on the outer wall of the top of the workbench (10), a heat dissipation groove (27) is opened on the outer wall of the bottom of the workbench (10), and a fan housing (32) is fixed inside the heat dissipation groove (27) by bolts.

6. A plastic sheet hot pressing processing device according to claim 5, characterized in that: A driving motor (30) is fixed to the outer wall of the bottom of the fan housing (32) by means of bolts, and a fan (29) is arranged on the output shaft of the driving motor (30).

7. A plastic sheet hot pressing processing device according to claim 6, characterized in that: A limiting block (9) is welded on the outer wall of the top of the workbench (10), and a working heat dissipation hole (28) is opened on the outer wall of the top of the workbench (10).

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