Biodegradable plastic sheet calendering equipment

Abstract

The utility model provides biodegradable plastic sheet calendering equipment which comprises a left supporting plate and a right supporting plate, a transverse plate is fixedly connected to the top ends of the left supporting plate and the right supporting plate, a sliding groove is formed in the inner surface of the left supporting plate, limiting holes are formed in limiting plates, and a calendering roller is fixedly connected between the two limiting plates; an inserting hole is formed in the inner bottom wall of the positioning groove, a threaded hole is formed in the inner bottom wall of the limiting groove, a fixing bolt is inserted into the inserting hole, the fixing bolt penetrates through the limiting hole and is inserted into the threaded hole in a threaded mode, and second motors used for driving the rotating column to rotate are fixedly connected to the outer surface of the moving block and the outer surface of the right supporting plate. When the calendaring roller needs to be detached and replaced, the fixing bolts are screwed out of the interiors of the threaded holes, then the fixing bolts are driven to move upwards, the fixing bolts are pulled out of the interiors of the limiting holes, and therefore limiting on the limiting plates is relieved, the limiting plates can be moved out of the interiors of the limiting grooves, and the calendaring roller can be detached and replaced.

Description

Technical Field

[0001] The present invention relates to the technical field of calendering equipment, and in particular to a biodegradable plastic sheet calendering equipment. Background Art

[0002] Plastic sheet processing equipment consists of plastic film extrusion equipment, calendering equipment and winding equipment. The extrusion equipment heats the plastic raw materials and then extrude them. The extruded plastic raw materials are transported to the calendering equipment for calendering to form a film. The calendering mechanism includes multiple pairs of calendering rollers, which gradually thin the film through calendering to form the required thickness. Finally, the qualified plastic film is transported to the winding equipment to be wound into a tube.

[0003] After searching, the public (announcement) number: CN218139400U discloses a calendering mechanism of a multi-layer co-extrusion plastic sheet machine, which relates to the field of plastic sheet production technology, including an upper bracket, a lower bracket, an upper calendering roller and a lower calendering roller... The application starts a servo motor 1 through the fine-tuning device set up, thereby driving the eccentric shaft gear and the lower auxiliary wheel to rotate, and then driving the center shaft gear and the upper auxiliary wheel to rotate, and then realizing the up and down movement of the lifting frame, and realizing the fine-tuning of the distance between the upper calendering roller and the lower calendering roller, which is conducive to pressing out plastic sheets of different thicknesses according to needs, and improves the functionality of the calendering mechanism. However, the application is not convenient for disassembly and replacement of the calendering roller, which causes inconvenience when the calendering roller needs to be replaced after long-term use, affecting the normal operation of the device, and thus cannot meet the needs of users.

[0004] In summary, how to conveniently disassemble and replace the calendering roller after long-term use to ensure the normal operation of the device is a technical problem that needs to be solved urgently. To this end, we propose a biodegradable plastic sheet calendering device. Utility Model Content

[0005] In view of the above-mentioned defects or shortcomings in the prior art, it is expected to provide a biodegradable plastic sheet calendering equipment, comprising a left support plate and a right support plate, the top ends of the left support plate and the right support plate are fixedly connected to a cross plate, the inner surface of the left support plate is provided with a sliding groove, the interior of the sliding groove is slidably connected to an adaptive sliding plate, the right support plate is provided with a moving hole, the interior of the moving hole is slidably connected to a moving block, the sliding plate, the left support plate, the moving block and the inner surfaces of the right support plate are all rotatably connected to a rotating column, the rotating column is provided with a limiting groove and a positioning groove, a limiting plate is provided inside the limiting groove, a limiting hole is provided on the limiting plate, a calendering roller is fixedly connected between the two limiting plates, the inner bottom wall of the positioning groove is provided with an insertion hole, the inner bottom wall of the limiting groove is provided with a threaded hole, a fixing bolt is inserted into the insertion hole, the fixing bolt passes through the limiting hole and is threadedly inserted into the interior of the threaded hole, and the outer surfaces of the moving block and the right support plate are fixedly connected to a second motor for driving the rotating column to rotate.

[0006] According to the technical solution provided in the embodiment of the present application, four sliding holes are opened on the horizontal plate, the interior of the sliding holes is slidably connected to a vertical rod, the top of the vertical rod is fixedly connected to the top plate, and a driving assembly is provided on the top of the horizontal plate.

[0007] According to the technical solution provided in the embodiment of the present application, the top surfaces of the sliding plate and the moving block are fixedly connected to the bottom end of the vertical rod, and the four sliding holes are arranged in a rectangular array.

[0008] According to the technical solution provided in the embodiment of the present application, the drive assembly includes a first motor fixedly connected to the top of the horizontal plate, the output end of the first motor is fixedly connected to a threaded rod, and the outer side of the threaded rod is threadedly sleeved with a threaded tube.

[0009] According to the technical solution provided in the embodiment of the present application, the top end of the threaded tube is fixedly connected to the bottom end surface of the top plate, and the top plate is arranged above the horizontal plate.

[0010] According to the technical solution provided in the embodiment of the present application, two limiting slide bars are symmetrically fixedly connected to the inner wall of the movable hole, and two limiting slide grooves adapted to the limiting slide bars are symmetrically opened on the outer side of the movable block.

[0011] Compared with the prior art, the beneficial effects of the present invention are:

[0012] 1. When the calendering roller needs to be disassembled and replaced, unscrew the fixing bolt from the inside of the threaded hole, then drive the fixing bolt to move upward, and pull the fixing bolt out from the inside of the limiting hole, thereby releasing the limit on the limiting plate, and then the limiting plate can be moved out of the inside of the limiting groove, and the calendering roller can be removed and replaced.

[0013] 2. Control the first motor to drive the threaded rod to rotate, the threaded rod rotation drives the threaded tube to move, the threaded tube movement drives the top plate to move, the top plate movement drives the vertical rod to move inside the sliding hole, thereby driving the sliding plate and the moving block to move respectively, and then driving the upper calendering roller to move, thereby adjusting the distance between the two calendering rollers, so as to facilitate the calendering of plastic sheets of different thicknesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Other features, objects and advantages of the present application will become more apparent upon reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a partial structural diagram of the utility model. DETAILED DESCRIPTION

[0017] The present application will be further described in detail below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely for the purpose of explaining the relevant invention and are not intended to limit the invention. It should also be noted that, for ease of description, only portions relevant to the invention are shown in the accompanying drawings.

[0018] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0019] As mentioned in the background art, the prior art is inconvenient for disassembling and replacing the calendering roller, which causes inconvenience when the calendering roller needs to be replaced after long-term use, affects the normal operation of the device, and thus cannot meet the needs of users.

[0020] Example:

[0021] See also Figure 1 and Figure 2 The utility model provides a technical solution, a biodegradable plastic sheet calendering device, comprising a left support plate 2 and a right support plate 1, the top ends of the left support plate 2 and the right support plate 1 are fixedly connected with a cross plate 17, the inner surface of the left support plate 2 is provided with a sliding groove, the interior of the sliding groove is slidably connected with a matching sliding plate, the right support plate 1 is provided with a moving hole 4, the interior of the moving hole 4 is slidably connected with a moving block 5, the inner surfaces of the sliding plate, the left support plate 2, the moving block 5 and the right support plate 1 are all rotatably connected with a rotating column 15, the rotating column 15 is provided with a limiting groove 13 and a positioning groove 18, a limiting plate 11 is provided inside the limiting groove 13, a limiting hole 112 is provided on the limiting plate 11, and a calendering roller 3 is fixedly connected between the two limiting plates 11;

[0022] When the calendering roller 3 needs to be disassembled and replaced, the fixing bolt 12 is unscrewed from the inside of the threaded hole, and then the fixing bolt 12 is driven to move upward, and the fixing bolt 12 is pulled out from the inside of the limiting hole 112, thereby releasing the limit on the limiting plate 11, and the limiting plate 11 can be moved out from the inside of the limiting groove 13, and the calendering roller 3 can be removed and replaced. The inner bottom wall of the positioning groove 18 is provided with a socket 14, and the inner bottom wall of the limiting groove 13 is provided with a threaded hole, and the inside of the socket 14 is connected with a fixing bolt 12, which passes through the limiting hole 112 and is threadedly inserted into the inside of the threaded hole. The outer surfaces of the moving block 5 and the right support plate 1 are fixedly connected with a second motor for driving the rotating column 15 to rotate.

[0023] See also Figure 1 Four sliding holes 16 are provided on the horizontal plate 17. The vertical rod 6 is slidably connected to the inside of the sliding hole 16. The top of the vertical rod 6 is fixedly connected to the top plate 7. A driving assembly is provided on the top of the horizontal plate 17. The top surface of the sliding plate and the moving block 5 is fixedly connected to the bottom end of the vertical rod 6. The four sliding holes 16 are arranged in a rectangular array. The cooperation of the four vertical rods 6 improves the stability of the sliding plate and the moving block 5 when they are lifted or lowered.

[0024] See also Figure 1 The driving assembly includes a first motor 10 fixedly connected to the top of the horizontal plate 17. The output end of the first motor 10 is fixedly connected to a threaded rod 9. The outer thread of the threaded rod 9 is threadedly sleeved with a threaded tube 8. The first motor 10 drives the threaded rod 9 to rotate, and the rotation of the threaded rod 9 drives the threaded tube 8 to move. The movement of the threaded tube 8 drives the top plate 7 to move. The movement of the top plate 7 drives the vertical rod 6 to move inside the sliding hole 16, thereby driving the sliding plate and the moving block 5 to move respectively, and then driving the upper calendering roller 3 to move, so as to adjust the two calendering rollers. 3, so as to facilitate the calendering of plastic sheets of different thicknesses. The top end of the threaded tube 8 is fixedly connected to the bottom end surface of the top plate 7. The top plate 7 is arranged above the cross plate 17. The inner wall of the movable hole 4 is symmetrically fixedly connected with two limit slides. The outer side of the movable block 5 is symmetrically provided with two limit slides adapted to the limit slides. The cooperation of the limit slide and the limit slide limits the movable block 5. When the movable block 5 moves, the movable block 5 moves on the outer side of the limit slide through the limit slide, thereby improving the stability of the movable block 5 when moving.

[0025] Working principle: When the calendering roller 3 needs to be disassembled and replaced, the fixing bolt 12 is screwed out from the inside of the threaded hole, and then the fixing bolt 12 is driven to move upward, and the fixing bolt 12 is pulled out from the inside of the limiting hole 112, thereby releasing the limit of the limiting plate 11, and the limiting plate 11 can be moved out of the inside of the limiting groove 13, and the calendering roller 3 can be disassembled and replaced;

[0026] The first motor 10 is controlled to drive the threaded rod 9 to rotate, the threaded rod 9 rotates to drive the threaded tube 8 to move, the threaded tube 8 moves to drive the top plate 7 to move, the top plate 7 moves to drive the vertical rod 6 to move inside the sliding hole 16, thereby driving the sliding plate and the moving block 5 to move respectively, and then driving the upper calendering roller 3 to move, thereby adjusting the distance between the two calendering rollers 3, so as to facilitate the calendering of plastic sheets of different thicknesses.

[0027] The above description is merely a preferred embodiment of the present application and an illustration of the technical principles employed. Those skilled in the art should understand that the scope of the invention herein is not limited to the technical solutions formed by the specific combination of the above-mentioned technical features, but also encompasses other technical solutions formed by any combination of the above-mentioned technical features or their equivalents without departing from the inventive concept. For example, a technical solution formed by replacing the above-mentioned features with (but not limited to) technical features having similar functions disclosed in this application.

Claims

1. A biodegradable plastic sheet calendering device, comprising a left support plate (2) and a right support plate (1), characterized in that: The top ends of the left support plate (2) and the right support plate (1) are fixedly connected with a transverse plate (17); the inner surface of the left support plate (2) is provided with a sliding groove, and the interior of the sliding groove is slidably connected with a corresponding sliding plate; the right support plate (1) is provided with a moving hole (4), and the interior of the moving hole (4) is slidably connected with a moving block (5); the inner surfaces of the sliding plate, the left support plate (2), the moving block (5) and the right support plate (1) are all rotatably connected with a rotating column (15); the rotating column (15) is provided with a limiting groove (13) and a positioning groove (18), and the inner surface of the limiting groove (13) is provided with a positioning groove (18). A limiting plate (11) is provided on the limiting plate (11), a limiting hole (112) is provided on the limiting plate (11), a calendering roller (3) is fixedly connected between the two limiting plates (11), an insertion hole (14) is provided on the inner bottom wall of the positioning groove (18), a threaded hole is provided on the inner bottom wall of the limiting groove (13), a fixing bolt (12) is inserted into the inside of the insertion hole (14), the fixing bolt (12) passes through the limiting hole (112) and is threadedly inserted into the inside of the threaded hole, and the outer surfaces of the moving block (5) and the right support plate (1) are fixedly connected to a second motor for driving the rotating column (15) to rotate.

2. The biodegradable plastic sheet calendering device according to claim 1, characterized in that: Four sliding holes (16) are provided on the horizontal plate (17), the interior of the sliding holes (16) is slidably connected to a vertical rod (6), the top end of the vertical rod (6) is fixedly connected to a top plate (7), and a driving assembly is provided on the top of the horizontal plate (17).

3. The biodegradable plastic sheet calendering device according to claim 2, characterized in that: The top surfaces of the sliding plate and the moving block (5) are fixedly connected to the bottom end of the vertical rod (6), and the four sliding holes (16) are arranged in a rectangular array.

4. The biodegradable plastic sheet calendering device according to claim 2, characterized in that: The driving assembly comprises a first motor (10) fixedly connected to the top of the transverse plate (17); an output end of the first motor (10) is fixedly connected to a threaded rod (9); and an outer thread of the threaded rod (9) is sleeved with a threaded tube (8).

5. The biodegradable plastic sheet calendering device according to claim 4, characterized in that: The top end of the threaded tube (8) is fixedly connected to the bottom end surface of the top plate (7), and the top plate (7) is arranged above the transverse plate (17).

6. The biodegradable plastic sheet calendering device according to claim 1, characterized in that: Two limiting slide bars are symmetrically fixedly connected to the inner wall of the movable hole (4), and two limiting slide grooves adapted to the limiting slide bars are symmetrically provided on the outer side of the movable block (5).

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