Winding and unwinding device for transparent UV-resistant backboard base film processing

Abstract

The utility model relates to the technical field of automatic net feeding, in particular to a transparent UV-resistant backboard base film processing winding and unwinding device which comprises a winding and unwinding box, a winding shaft is rotationally connected to the middle of one end in a cavity of the winding and unwinding box, a first guide shaft is installed on one side of the winding shaft, and a second guide shaft is installed on one side of the first guide shaft. A pressing shaft is arranged between the first guiding shaft and the second guiding shaft, the first guiding shaft and the second guiding shaft are rotationally connected with the winding and unwinding box, a driving shaft is installed on one side of the second guiding shaft, a clamping shaft is installed below the driving shaft, the driving shaft and the clamping shaft are rotationally connected with the winding and unwinding box, and driven bearings are installed at the two ends of the clamping shaft. The inner ring face of the driven bearing is fixedly connected with the clamping shaft, the driven bearing is sleeved with a shell sleeve, and a connecting block is installed at the other end of the driving shaft and the other end of the clamping shaft. The device has the beneficial effects that through the simple structure, secondary clamping of a base film is achieved, and meanwhile the driving shaft and the clamping shaft can be rapidly disassembled and assembled.

Description

Technical Field

[0001] The utility model relates to the technical field of automatic net feeding, in particular to a transparent UV-resistant backboard base film processing reeling and unreeling device. Background Art

[0002] UV-resistant backsheet is a specially treated glass fiber reinforced polyester board with excellent UV and weather resistance, so it is widely used in construction, decoration, furniture and other fields in outdoor environments.

[0003] In the prior art, a winding and unwinding device is usually used for processing, and the winding and unwinding device mainly includes a frame, a winding shaft, an unwinding shaft, a transmission device and a control system. Among them, the frame is usually made of metal materials to support the structure of the entire winding and unwinding device; the winding shaft and the unwinding shaft are used to wind and unwind the base film respectively, and are usually made of high-strength materials; the transmission device is usually composed of a motor, a reducer and a transmission belt, etc., to drive the rotation of the winding shaft and the unwinding shaft; the control system is usually composed of electrical components and a control system, which is used to control the operation and operation of the winding and unwinding device. The traditional winding and unwinding requires the base film to be clamped before it is output. The more common clamping device on the market is an eccentric shaft matched with a concentric shaft.

[0004] However, the eccentric shaft and the concentric shaft can only achieve the clamping of the base membrane well. During assembly, the eccentric shaft and the concentric shaft must be assembled and installed on the box body first. During the overall assembly of the box body, during maintenance, one side surface of the box body must be disassembled first, and then the entire shaft body must be disassembled for replacement and maintenance. The disassembly steps are cumbersome, and most of the shafts are integrated parts, so the maintenance cost is high. Utility Model Content

[0005] The utility model aims to provide a transparent UV-resistant backplane base film processing reeling and unreeling device to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transparent UV-resistant backboard base film processing winding and unwinding device, comprising a winding and unwinding box, wherein the middle part of one end of the winding and unwinding box cavity is rotatably connected to the winding shaft, and a first guide shaft is installed on one side of the winding shaft, and a second guide shaft is installed on one side of the first guide shaft, and a clamping shaft is provided between the first guide shaft and the second guide shaft, and a driving shaft is installed on one side of the second guide shaft, and a clamping shaft is installed below the driving shaft, and the driving shaft and the clamping shaft are rotatably connected to the winding and unwinding box, and driven bearings are installed at both ends of the clamping shaft, and the inner ring surface of the driven bearing is fixedly connected to the clamping shaft, and a shell sleeve is provided on the outer sleeve of the driven bearing, one end of the driving shaft is connected to the power shaft of the driving motor, and one end of the clamping shaft is connected to the power shaft of the clamping motor, and a connecting block is installed on the other end of the driving shaft and the clamping shaft, and a bolt is screwed at one end of the connecting block in the center.

[0007] Preferably, bearing holes are opened on the two parallel side walls of the reel box, and the reel shaft, the first guide shaft, the second guide shaft, the driving shaft and the clamping shaft are respectively rotatably connected to the inner ring surfaces of the corresponding bearings, and all of the above bearings are fixed in the bearing holes of the two parallel side walls of the reel box.

[0008] Preferably, the clamping shaft is installed on an adjusting rod, the adjusting rod is rotatably connected to the clamping shaft, the top of the adjusting rod is movably inserted into the top surface of the reel box, a square groove is opened above the adjusting rod, and a limiting device is installed on the top surface of the reel box.

[0009] Preferably, the driving shaft is a concentric shaft and is solid, the clamping shaft is an eccentric shaft, the clamping shaft is fixedly connected to the inner ring surface of the driven bearing, and the outer ring surface of the driven bearing is rotatably connected to the shell.

[0010] Preferably, a circular hole is provided at the other end of the clamping shaft, and a connecting block is inserted into the hole. A circular hole is provided at the center of one end of the connecting block, and multiple groups of limiting holes are provided at the bottom of the circular hole. The limiting holes penetrate the connecting block, and the limiting block is inserted into the limiting holes. A flat groove is provided in the middle of the limiting block, and a rubber block is installed in the flat groove. Both sides of the rubber block are fixed on two parallel side walls of the limiting hole.

[0011] Preferably, a long groove is provided at the other end of the clamping shaft, a positioning strip is provided on the surface of the connecting block, the positioning strip is inserted in the long groove, an inserting groove is provided in the clamping shaft, the position and size of the inserting groove correspond one-to-one to the limit block, and the limit block is provided with a slope, which is located at one end of the limit block close to the circular hole and faces the outside of the circular hole cavity.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model proposes a transparent UV-resistant backboard base film processing and unwinding device, by arranging a winding shaft inside the unwinding and winding box, the base film output on the winding shaft is clamped and guided by the first guide shaft, the second guide shaft and the clamping shaft, and then output to the outside through the clamping of the eccentric shaft and the concentric shaft, the concentric shaft is a power shaft, which provides power for the base film to be output outward, the eccentric shaft is a clamping shaft, both ends of the eccentric shaft are equipped with driven bearings, the outer sleeve of the driven bearing is provided with a shell sleeve, the other end of the driving shaft and the clamping shaft is equipped with a connecting block, the driving shaft and the clamping shaft can be quickly disassembled and assembled by disassembling the connecting block, and the device not only realizes the secondary clamping of the base film through a simple structure, but also can realize the rapid disassembly and assembly of the driving shaft and the clamping shaft. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0016] Figure 3 This is a schematic diagram of the structure of the clamping shaft of the utility model;

[0017] Figure 4 This is a schematic diagram of the cross-sectional structure of the clamping shaft of the utility model;

[0018] Figure 5 This is a schematic diagram of the cross-sectional structure of the active shaft of the utility model;

[0019] Figure 6 This is a schematic diagram of the connecting block structure of the utility model.

[0020] In the figure: the reel box 1, the reel shaft 2, the first guide shaft 3, the second guide shaft 4, the clamping shaft 5, the adjusting rod 6, the driving shaft 7, the clamping shaft 8, the driven bearing 9, the shell 10, the connecting block 11, the bolt 12, the round hole 13, the positioning strip 14, the limit block 15, the limit hole 16, and the rubber block 17. DETAILED DESCRIPTION

[0021] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of 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.

[0022] Embodiment 1

[0023] See also Figure 1 to Figure 2The utility model provides a technical solution: a transparent UV-resistant back sheet base film processing winding and unwinding device, including a winding and unwinding box 1, characterized in that: a winding shaft 2 is rotatably connected to the middle of one end of the cavity of the winding and unwinding box 1, a first guide shaft 3 is installed on one side of the winding shaft 2, a second guide shaft 4 is installed on one side of the first guide shaft 3, a pressing shaft 5 is provided between the first guide shaft 3 and the second guide shaft 4, the first guide shaft 3 and the second guide shaft 4 are rotatably connected to the winding and unwinding box 1, and an active Shaft 7, a clamping shaft 8 is installed under the driving shaft 7, the driving shaft 7 and the clamping shaft 8 are both rotatably connected to the reel box 1, driven bearings 9 are installed at both ends of the clamping shaft 8, the inner ring surface of the driven bearing 9 is fixedly connected to the clamping shaft 8, and a shell sleeve 10 is provided on the outside of the driven bearing 9, one end of the driving shaft 7 is connected to the power shaft of the driving motor, one end of the clamping shaft 8 is connected to the power shaft of the clamping motor, and a connecting block 11 is installed at the other end of the driving shaft 7 and the clamping shaft 8, and a bolt 12 is screwed at the center position of one end of the connecting block 11.

[0024] By arranging a winding shaft 2 inside the winding and unwinding box 1, the base film output on the winding shaft 2 is clamped and guided by the first guide shaft 3, the second guide shaft 4 and the clamping shaft 5, and then clamped and output to the outside by the eccentric shaft and the concentric shaft. The concentric shaft is the power shaft 7, which provides power for the base film to be output outward. The eccentric shaft is the clamping shaft 8. Driven bearings 9 are installed at both ends of the eccentric shaft. The outer shell 10 is provided on the driven bearing 9. The other end of the driving shaft 7 and the clamping shaft 8 is installed with a connecting block 11. The driving shaft 7 and the clamping shaft 8 can be quickly disassembled by disassembling the connecting block 11.

[0025] Embodiment 2

[0026] See also Figure 1 to Figure 2 On the basis of the first embodiment, in order to realize one-time clamping of the base film, bearing holes are opened on the two parallel side walls of the unwinding and winding box 1, and the unwinding shaft 2, the first guide shaft 3, the second guide shaft 4, the driving shaft 7, and the clamping shaft 8 are respectively rotatably connected with the inner ring surfaces of the corresponding bearings. All of the above bearings are fixed in the bearing holes of the two parallel side walls of the unwinding and winding box 1, and the clamping shaft 5 is installed on the adjusting rod 6, which is rotatably connected to the clamping shaft 5. The top of the adjusting rod 6 is movably inserted into the top surface of the unwinding and winding box 1, and a square groove is opened above the adjusting rod 6. A limiting device is installed on the top surface of the unwinding and winding box 1.

[0027] When the base film is pulled out from the winding shaft 2, it passes through the first guide shaft 3 and the second guide shaft 4, and the adjustment rod 6 is lowered to make the clamping shaft 5 press the base film downward. At this time, each section of the base film is in an open state, that is, it is clamped once.

[0028] Embodiment 3

[0029] See also Figures 3 to 5On the basis of Example 2, in order to achieve secondary clamping of the base membrane, the driving shaft 7 is a concentric shaft and the driving shaft 7 is solid, the clamping shaft 8 is an eccentric shaft, the clamping shaft 8 is fixedly connected to the inner ring surface of the driven bearing 9, and the outer ring surface of the driven bearing 9 is rotatably connected to the shell 10.

[0030] During operation, the clamping motor is turned on to drive the clamping shaft 8 to rotate. The clamping shaft 8 is an eccentric shaft and there is a gap between it and the driving shaft 7 in the initial state. When the clamping shaft 8 rotates, it can move closer to the driving shaft 7 until the two shafts engage with each other, thereby realizing secondary clamping of the base film.

[0031] Embodiment 4

[0032] See also Figures 3 to 6 On the basis of the third embodiment, in order to realize the rapid disassembly of the driving shaft and the clamping shaft, a circular hole is provided at the other end of the clamping shaft 8, and a connecting block 11 is inserted into the hole. A circular hole 13 is provided at the center of one end of the connecting block 11, and a plurality of groups of limiting holes 16 are provided at the bottom of the circular hole 13. The limiting hole 16 passes through the connecting block 11, and a limiting block 15 is inserted into the limiting hole 16. A flat groove is provided in the middle of the limiting block 15, and a rubber block 17 is installed in the flat groove. Both sides of the rubber block 17 are fixed on two parallel side walls of the limiting hole 16. A long groove is provided at the other end of the clamping shaft 8, and a positioning strip 14 is provided on the surface of the connecting block 11. The positioning strip 14 is inserted into the long groove. A plug-in groove is provided in the clamping shaft 8, and the position and size of the plug-in groove correspond one to one with the limiting block 15. The limiting block 15 is provided with an inclined surface, which is located at one end of the limiting block 15 close to the circular hole 13 and the inclined surface faces the outer side of the circular hole 13 cavity.

[0033] The bolt 12 is screwed into the circular hole 13, and the bottom surface of the bolt 12 squeezes the inclined surface of the limit block 15, so that the limit block 15 expands outward and extends into the plug-in groove inside the clamping shaft 8. At this time, the fixed installation of the entire clamping shaft 8 is completed. When disassembly is required, the bolt 12 is screwed in the reverse direction to make the bolt 12 withdraw from the circular hole 13. At this time, the limit block 15 is retreated to the inside of the connecting platform 11 under the tension of the rubber block 17, and the shaft can be quickly disassembled.

[0034] In actual use, after all parts are installed, the bolt 12 is screwed into the round hole 13, and the bottom surface of the bolt 12 squeezes the inclined surface of the limit block 15, so that the limit block 15 expands outward and extends into the plug-in groove inside the clamping shaft 8. At this time, the fixed installation of the entire clamping shaft 8 is completed. When the base film is pulled out from the winding shaft 2, it passes through the first guide shaft 3 and the second guide shaft 4, and the adjustment rod 6 is lowered to make the clamping shaft 5 squeeze the base film downward. At this time, each section of the base film is in an open state, and its fixing is completed. For the first clamping, turn on the clamping motor to drive the clamping shaft 8 to rotate. The clamping shaft 8 is an eccentric shaft. In the initial state, there is a gap between the clamping shaft 8 and the driving shaft 7. When the clamping shaft 8 rotates, it can approach the driving shaft 7 until the two shafts are engaged with each other, thereby realizing the secondary clamping of the base membrane. During maintenance, screw the bolt 12 in the reverse direction to make the bolt 12 withdraw from the round hole 13. At this time, the limit block 15 is retreated to the inside of the connecting platform 11 under the tension of the rubber block 17, thereby realizing the quick disassembly of the shaft.

[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A transparent UV-resistant back sheet base film processing unwinding and rewinding device, comprising an unwinding and rewinding box (1), characterized in that: A winding shaft (2) is rotatably connected to the middle of one end of the winding and unwinding box (1) cavity; a first guide shaft (3) is installed on one side of the winding and unwinding shaft (2); a second guide shaft (4) is installed on one side of the first guide shaft (3); a clamping shaft (5) is provided between the first guide shaft (3) and the second guide shaft (4); the first guide shaft (3) and the second guide shaft (4) are rotatably connected to the winding and unwinding box (1); a driving shaft (7) is installed on one side of the second guide shaft (4); a clamping shaft (8) is installed below the driving shaft (7); and the driving shaft (7) and The clamping shaft (8) is rotatably connected to the reel box (1). Driven bearings (9) are installed at both ends of the clamping shaft (8). The inner ring surface of the driven bearing (9) is fixedly connected to the clamping shaft (8). A shell (10) is provided on the outside of the driven bearing (9). One end of the driving shaft (7) is connected to the power shaft of the driving motor. One end of the clamping shaft (8) is connected to the power shaft of the clamping motor. A connecting block (11) is installed at the other end of the driving shaft (7) and the clamping shaft (8). A bolt (12) is screwed at the center of one end of the connecting block (11).

2. The transparent UV-resistant backsheet base film processing and unwinding device according to claim 1, characterized in that: The two parallel side walls of the reel box (1) are provided with bearing holes, and the reel shaft (2), the first guide shaft (3), the second guide shaft (4), the driving shaft (7), and the clamping shaft (8) are respectively rotatably connected to the inner ring surfaces of the corresponding bearings, and all of the above-mentioned bearings are fixed in the bearing holes of the two parallel side walls of the reel box (1).

3. The transparent UV-resistant backsheet base film processing and unwinding device according to claim 2, characterized in that: The clamping shaft (5) is mounted on an adjusting rod (6), the adjusting rod (6) is rotatably connected to the clamping shaft (5), the top of the adjusting rod (6) is movably plugged into the top surface of the reel box (1), a square groove is provided above the adjusting rod (6), and a limiting device is installed on the top surface of the reel box (1).

4. The transparent UV-resistant backsheet base film processing and unwinding device according to claim 1, characterized in that: The driving shaft (7) is a concentric shaft and is solid, the clamping shaft (8) is an eccentric shaft, the clamping shaft (8) is fixedly connected to the inner ring surface of the driven bearing (9), and the outer ring surface of the driven bearing (9) is rotatably connected to the shell (10).

5. The transparent UV-resistant back sheet base film processing and unwinding device according to claim 1, characterized in that: The other end of the clamping shaft (8) is provided with a circular hole, in which a connecting block (11) is inserted; a circular hole (13) is provided at the center of one end of the connecting block (11); a plurality of groups of limiting holes (16) are provided at the bottom of the circular hole (13); the limiting holes (16) penetrate the connecting block (11); a limiting block (15) is inserted into the limiting holes (16); a flat groove is provided in the middle of the limiting block (15); a rubber block (17) is installed in the flat groove; two sides of the rubber block (17) are fixed on two parallel side walls of the limiting hole (16).

6. The transparent UV-resistant back sheet base film processing and unwinding device according to claim 1, characterized in that: The other end of the clamping shaft (8) is provided with a long groove, the surface of the connecting block (11) is provided with a positioning strip (14), the positioning strip (14) is inserted into the long groove, and the clamping shaft (8) is provided with a plug-in slot, the position and size of the plug-in slot correspond to the position and size of the limit block (15), and the limit block (15) is provided with an inclined surface, which is located at one end of the limit block (15) close to the circular hole (13) and faces the outer side of the circular hole (13) cavity.

Images