Continuous hot press molding equipment for mylar sheet production
By adjusting the distance between the upper and lower conveyor rollers and the limiting structure in the Mylar sheet production equipment, the problem of limited equipment application range was solved, enabling multi-size adaptable production and efficient hot pressing, thus ensuring the quality and dimensional accuracy of Mylar sheets.
Patent Information
- Application Number
- CN202520603354.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-02
AI Technical Summary
In existing Mylar sheet production equipment, the upper and lower pressure rollers of the hot pressing forming equipment are fixedly installed, which limits the scope of use of the equipment and makes it unable to adapt to the processing needs of materials of different sizes.
By setting an adjustable distance between the upper and lower conveyor rollers on the support frame and equipping it with an adjustable limiting structure, it can adapt to the installation and hot pressing requirements of raw materials of different sizes. At the same time, it can achieve uniform heating of materials by using an adjustable heating plate and resistance wire.
It enables multi-size adaptable production of Mylar sheets, ensuring the quality and dimensional accuracy of the material during hot pressing, avoiding slippage and wrinkles during the feeding process, and improving the equipment's flexibility and production efficiency.
Smart Images

Figure CN223934003U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of Mylar sheet production technology, specifically to a continuous hot pressing molding equipment for Mylar sheet production. Background Technology
[0002] Mylar film, also known as PET polyester film, is a film made by heating dimethyl terephthalate and ethylene glycol with the assistance of relevant catalysts, followed by transesterification and vacuum polycondensation, and biaxial stretching. In the production process, in order to make the material into the required size, hot pressing equipment is used to shape the raw materials in a continuous hot pressing process, thereby efficiently producing Mylar sheet products with stable quality and accurate dimensions.
[0003] In the hot pressing process, the material is heated by a heating system and hot-pressed by a set of pressure rollers. However, since the upper and lower pressure rollers are generally fixed on the support, the size of the hot-pressed Mylar sheet is relatively fixed, which reduces the scope of use of the equipment. Utility Model Content
[0004] The purpose of this invention is to provide a continuous hot pressing molding equipment for Mylar sheet production, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this utility model provides the following technical solution: a continuous hot pressing molding equipment for Mylar sheet production, comprising a support frame, a first bracket fixedly connected to the top of the support frame, an installation groove formed in the middle of the first bracket, a sliding groove formed inside the installation groove, a threaded hole formed at the top of the first bracket, an adjusting bolt threadedly connected inside the threaded hole, the adjusting bolt passing through the threaded hole and extending into the installation groove, an adjusting plate rotatably connected to the bottom of the adjusting bolt, a first spring fixedly connected to the bottom of the adjusting plate, a movable seat fixedly connected to the bottom of the first spring, and an upper conveying roller rotatably connected inside the movable seat.
[0006] As a further preferred embodiment of this technical solution, the first bracket is provided in two parts, the adjusting plate and the movable seat are both disposed inside the slide groove, and a rotating cylinder is disposed between the adjusting plate and the adjusting bolt.
[0007] As a further preferred embodiment of this technical solution, a fixed seat is fixedly connected to the inner wall of the mounting groove, a lower conveying roller is rotatably connected inside the fixed seat, a first motor is fixedly connected to the back of the lower conveying roller, a second spring is fixedly connected to the top of the fixed seat, and the end of the second spring away from the fixed seat is fixedly connected to the bottom of the movable seat.
[0008] As a further preferred embodiment of this technical solution, a connecting plate is fixedly connected to the top of the support frame, a second motor is fixedly connected to the back of the connecting plate, an installation roller is fixedly connected to the output end of the second motor, a third spring is fixedly connected to the surface of the installation roller, a fixing plate is fixedly connected to the end of the third spring away from the installation roller, a connecting screw is fixedly connected to the side of the installation roller away from the second motor, a limit plate is threadedly connected to the surface of the connecting screw, a handle is fixedly connected to the side of the limit plate away from the installation roller, and an adjusting roller is rotatably connected to the side of the connecting plate near the installation roller.
[0009] As a further preferred embodiment of this technical solution, the mounting roller is located on the side of the connecting plate away from the second motor, the number of the third springs is multiple, and the limiting plate has a threaded groove inside, which is adapted to the connecting screw.
[0010] As a further preferred embodiment of this technical solution, a second bracket is fixedly connected to the top of the support frame, a cylinder is fixedly connected to the top of the second bracket, an upper heating plate is fixedly connected to the bottom of the cylinder, a guide rod is fixedly connected to the top of the upper heating plate, a lower heating plate is fixedly connected to the inner wall of the second bracket, and resistance wires are provided inside both the lower heating plate and the upper heating plate.
[0011] As a further preferred embodiment of this technical solution, the top of the second bracket is provided with a through hole, the guide rod passes through the through hole and extends to the top of the second bracket, and the number of resistance wires is provided in multiples.
[0012] This utility model provides a continuous hot pressing molding equipment for Mylar sheet production, which has the following beneficial effects:
[0013] (1) This utility model rotates the adjusting bolt, causing it to rotate inside the threaded hole and move downward in the longitudinal direction, thereby pushing the adjusting plate to slide inside the chute. The first spring is compressed and contracted, and the spring force of the first spring presses the moving seat downward. The moving seat slides inside the chute and drives the upper conveying roller to move downward, thereby adjusting the distance between the upper and lower conveying rollers to meet the different requirements of Mylar sheet production.
[0014] (2) By pressing the fixing plate inward, the third spring is compressed and contracted, and the raw material roll is installed on the installation roller. Under the elastic force of the third spring, the fixing plate moves back and fits against the inner wall of the raw material roll, thereby adapting to the installation of raw material rolls of different sizes. The position of the limiting plate is aligned with the position of the connecting screw. The handle is turned so that the limiting plate rotates on the surface of the connecting screw and fits against one side of the roll, thereby limiting the roll and preventing slippage during the feeding process. Attached Figure Description
[0015] Figure 1This is a schematic diagram of the structure of this utility model;
[0016] Figure 2 This is a schematic diagram of the rear structure of this utility model;
[0017] Figure 3 This is a schematic diagram of the upper and lower conveyor rollers of this utility model.
[0018] Figure 4 This is a schematic diagram of the threaded hole structure of this utility model;
[0019] Figure 5 This is a schematic diagram of the third spring and fixing plate structure of this utility model;
[0020] Figure 6 This is a schematic diagram of the cross-sectional structure of the second support of this utility model.
[0021] In the diagram: 1. Support frame; 2. First bracket; 3. Mounting groove; 4. Slide groove; 5. Threaded hole; 6. Adjusting bolt; 7. Adjusting plate; 8. First spring; 9. Moving seat; 10. Upper conveying roller; 11. Fixed seat; 12. First motor; 13. Lower conveying roller; 14. Second spring; 15. Connecting plate; 16. Second motor; 17. Mounting roller; 18. Third spring; 19. Fixed plate; 20. Connecting screw; 21. Limiting plate; 22. Handle; 23. Adjusting roller; 24. Second bracket; 25. Cylinder; 26. Upper heating plate; 27. Guide rod; 28. Lower heating plate; 29. Resistance wire. Detailed Implementation
[0022] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention.
[0023] This utility model provides a technical solution: such as Figures 1 to 6 As shown in this embodiment, a continuous hot pressing molding equipment for Mylar sheet production includes a support frame 1. A first bracket 2 is fixedly connected to the top of the support frame 1. An installation groove 3 is opened in the middle of the first bracket 2. A sliding groove 4 is opened inside the installation groove 3. A threaded hole 5 is opened at the top of the first bracket 2. An adjusting bolt 6 is threadedly connected inside the threaded hole 5. The adjusting bolt 6 passes through the threaded hole 5 and extends into the interior of the installation groove 3. An adjusting plate 7 is rotatably connected to the bottom end of the adjusting bolt 6. A first spring 8 is fixedly connected to the bottom end of the adjusting plate 7. A movable seat 9 is fixedly connected to the bottom end of the first spring 8. An upper conveying roller 10 is rotatably connected inside the movable seat 9.
[0024] Rotate the adjusting bolt 6 so that it rotates inside the threaded hole 5 and moves downward in the longitudinal direction, thereby pushing the adjusting plate 7 to slide inside the slide groove 4. The first spring 8 is compressed and compressed, and the elastic force of the first spring 8 presses the moving seat 9 downward. The moving seat 9 slides inside the slide groove 4 and drives the upper conveying roller 10 to move downward, thereby adjusting the distance between the upper conveying roller 10 and the lower conveying roller 13, and controlling the thickness and density of the Mylar sheet to meet different requirements of Mylar sheet production.
[0025] The first bracket 2 is provided in two parts. The adjusting plate 7 and the movable seat 9 are both located inside the slide groove 4. A rotating drum is provided between the adjusting plate 7 and the adjusting bolt 6.
[0026] A fixed seat 11 is fixedly connected to the inner wall of the mounting groove 3. A lower conveying roller 13 is rotatably connected inside the fixed seat 11. A first motor 12 is fixedly connected to the back of the lower conveying roller 13. A second spring 14 is fixedly connected to the top of the fixed seat 11. The end of the second spring 14 away from the fixed seat 11 is fixedly connected to the bottom of the movable seat 9.
[0027] The first motor 12 is started, and its output shaft drives the lower conveyor roller 13 to rotate. While conveying the raw materials, it applies a certain pressure to the raw materials through cooperation with the upper conveyor roller 10, thereby realizing the hot pressing of the raw materials.
[0028] A connecting plate 15 is fixedly connected to the top of the support frame 1. A second motor 16 is fixedly connected to the back of the connecting plate 15. An installation roller 17 is fixedly connected to the output end of the second motor 16. A third spring 18 is fixedly connected to the surface of the installation roller 17. A fixing plate 19 is fixedly connected to the end of the third spring 18 away from the installation roller 17. A connecting screw 20 is fixedly connected to the side of the installation roller 17 away from the second motor 16. A limit plate 21 is threadedly connected to the surface of the connecting screw 20. A handle 22 is fixedly connected to the side of the limit plate 21 away from the installation roller 17. An adjusting roller 23 is rotatably connected to the side of the connecting plate 15 close to the installation roller 17.
[0029] Pressing the fixing plate 19 inward compresses the third spring 18, allowing the raw material roll to be installed on the mounting roller 17. Under the elastic force of the third spring 18, the fixing plate 19 moves back and fits against the inner wall of the raw material roll, thus adapting to the installation of raw material rolls of different sizes. Align the position of the limiting plate 21 with the position of the connecting screw 20, and rotate the handle 22 to make the limiting plate 21 rotate on the surface of the connecting screw 20 and fit against one side of the roll, thereby limiting the roll to meet the installation of raw material rolls of different widths and prevent slippage during the feeding process. In addition, three adjusting rollers 23 are provided on the connecting plate 15. By passing the raw material around the surface of the adjusting rollers 23, the tension during the feeding process is ensured, preventing looseness or wrinkles.
[0030] The mounting roller 17 is located on the side of the connecting plate 15 away from the second motor 16. The number of third springs 18 is set to multiple. The limiting plate 21 has a threaded groove inside, which is compatible with the connecting screw 20.
[0031] A second bracket 24 is fixedly connected to the top of the support frame 1. A cylinder 25 is fixedly connected to the top of the second bracket 24. An upper heating plate 26 is fixedly connected to the bottom of the cylinder 25. A guide rod 27 is fixedly connected to the top of the upper heating plate 26. A lower heating plate 28 is fixedly connected to the inner wall of the second bracket 24. A resistance wire 29 is provided inside both the lower heating plate 28 and the upper heating plate 26.
[0032] When the cylinder 25 is activated, its output rod drives the upper heating plate 26 to slide inside the second bracket 24, and the guide rod 27 slides on the second bracket 24 to adjust the height of the upper heating plate 26, thereby ensuring that the upper heating plate 26 and the lower heating plate 28 are in contact with the raw materials and improving the heating effect.
[0033] The top of the second bracket 24 is provided with a through hole, the guide rod 27 passes through the through hole and extends to the top of the second bracket 24, and the number of resistance wires 29 is provided in multiples.
[0034] This utility model provides a continuous hot pressing molding equipment for Mylar sheet production, the specific working principle of which is as follows:
[0035] In use, press the fixing plate 19 inward, the third spring 18 is compressed and contracted, the raw material roll is installed on the mounting roller 17, the fixing plate 19 moves back under the elastic force of the third spring 18 and fits against the inner wall of the raw material roll, the position of the limiting plate 21 corresponds to the position of the connecting screw 20, the handle 22 is turned, so that the limiting plate 21 rotates on the surface of the connecting screw 20 and fits against one side of the roll, thereby limiting the roll, one end of the material passes around the surface of the three adjusting rollers 23 in sequence, and passes between the upper heating plate 26 and the lower heating plate 28, the contact surface between the material and the heating plate is heated by the resistance wire 29 to reach the preset temperature, and the raw material is heated to soften it. The softened raw material passes between the upper conveying roller 10 and the lower conveying roller 13. The first motor 12 is started, its output shaft drives the lower conveying roller 13 to rotate. While conveying the raw material, a certain pressure is applied to the raw material through cooperation with the upper conveying roller 10, thereby hot pressing it into the required Mylar sheet.
[0036] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A continuous hot pressing molding equipment for Mylar sheet production, comprising a support frame (1), characterized in that: The top of the support frame (1) is fixedly connected to a first bracket (2). The first bracket (2) has an installation groove (3) in the middle. The installation groove (3) has a sliding groove (4) inside. The top of the first bracket (2) has a threaded hole (5). The threaded hole (5) is threadedly connected to an adjusting bolt (6). The adjusting bolt (6) passes through the threaded hole (5) and extends into the installation groove (3). The bottom end of the adjusting bolt (6) is rotatably connected to an adjusting plate (7). The bottom end of the adjusting plate (7) is fixedly connected to a first spring (8). The bottom end of the first spring (8) is fixedly connected to a movable seat (9). The movable seat (9) is rotatably connected to an upper conveying roller (10).
2. The Mylar sheet production continuous hot pressing molding equipment according to claim 1, characterized in that: The first bracket (2) is provided in two quantities. The adjusting plate (7) and the moving seat (9) are both located inside the slide groove (4). A rotating cylinder is provided between the adjusting plate (7) and the adjusting bolt (6).
3. The Mylar sheet production continuous hot pressing molding equipment according to claim 1, characterized in that: A fixed seat (11) is fixedly connected to the inner wall of the mounting groove (3). A lower conveying roller (13) is rotatably connected inside the fixed seat (11). A first motor (12) is fixedly connected to the back of the lower conveying roller (13). A second spring (14) is fixedly connected to the top of the fixed seat (11). The end of the second spring (14) away from the fixed seat (11) is fixedly connected to the bottom of the movable seat (9).
4. The Mylar sheet production continuous hot pressing molding equipment according to claim 1, characterized in that: A connecting plate (15) is fixedly connected to the top of the support frame (1). A second motor (16) is fixedly connected to the back of the connecting plate (15). An installation roller (17) is fixedly connected to the output end of the second motor (16). A third spring (18) is fixedly connected to the surface of the installation roller (17). A fixing plate (19) is fixedly connected to the end of the third spring (18) away from the installation roller (17). A connecting screw (20) is fixedly connected to the side of the installation roller (17) away from the second motor (16). A limit plate (21) is threadedly connected to the surface of the connecting screw (20). A handle (22) is fixedly connected to the side of the limit plate (21) away from the installation roller (17). An adjusting roller (23) is rotatably connected to the side of the connecting plate (15) close to the installation roller (17).
5. A continuous hot pressing molding equipment for Mylar sheet production according to claim 4, characterized in that: The mounting roller (17) is located on the side of the connecting plate (15) away from the second motor (16). The number of the third springs (18) is multiple. The limiting plate (21) has a threaded groove inside, which is adapted to the connecting screw (20).
6. The Mylar sheet production continuous hot pressing molding equipment according to claim 1, characterized in that: The top of the support frame (1) is fixedly connected to a second bracket (24), the top of the second bracket (24) is fixedly connected to a cylinder (25), the bottom of the cylinder (25) is fixedly connected to an upper heating plate (26), the top of the upper heating plate (26) is fixedly connected to a guide rod (27), the inner wall of the second bracket (24) is fixedly connected to a lower heating plate (28), and resistance wires (29) are provided inside both the lower heating plate (28) and the upper heating plate (26).
7. A continuous hot pressing molding equipment for Mylar sheet production according to claim 6, characterized in that: The second bracket (24) has a through hole at its top, the guide rod (27) passes through the through hole and extends to the top of the second bracket (24), and the number of resistance wires (29) is multiple.