Aluminum plate surface oil stain removing device

Abstract

The utility model provides a device for removing oil stains on the surface of an aluminum plate, which relates to the field of metal plate processing and comprises a shell, two supporting plates are symmetrically mounted at the bottom of the inner wall of the shell, second fixing plates are mounted at the tops of the supporting plates, and a second pressure shaft, a fourth pressure shaft, a second conveying shaft and a fourth conveying shaft are symmetrically mounted between the second fixing plates. A first shrinkage roller, a first cleaning cloth roller, a second shrinkage roller and a second cleaning cloth roller are installed on the inner side of the shell, a first cleaning cloth roll is installed on the surface of the first cleaning cloth roller, a second cleaning cloth roll is installed on the surface of the second cleaning cloth roller, and telescopic rods are installed at the bottoms of second fixing plates; the telescopic ends of the telescopic rods penetrate through the second fixing plates, the first fixing plates are installed at the telescopic ends of the telescopic rods, and the first conveying shaft, the third conveying shaft, the first pressure shaft and the third pressure shaft are installed between the first fixing plates. The cleaning cloth can be replaced all the time, and the cleaning effect is guaranteed.

Description

Technical Field

[0001] The utility model belongs to the technical field of metal plate processing, in particular to a device for removing oil stains from the surface of an aluminum plate. Background Art

[0002] During the processing of aluminum sheets, they need to be bent or stamped according to production requirements. In order to ensure the bending quality of the metal sheet stamping machine and to reduce the wear of the machine and the metal sheet during stamping and bending, a layer of oil is often sprayed on the metal sheet.

[0003] Patent CN210022946U discloses a sheet metal degreasing device that uses multiple degreasing rollers to clean the sheet metal. However, in this technical solution, as the degreasing rollers are used for a long time, more and more oil will be contaminated on the surface of the degreasing rollers, making it difficult to maintain efficient cleaning quality and effect.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and an aluminum plate surface oil removal device is provided to achieve a more practical purpose. Utility Model Content

[0005] In order to solve the above technical problems, the present invention provides a device for removing oil stains from the surface of aluminum plates, which is achieved by the following specific technical means:

[0006] A device for removing oil stains from the surface of an aluminum plate comprises a shell, two support plates are symmetrically installed at the bottom of the inner wall of the shell, and a fixed plate 2 is installed on the top of each support plate, and a pressure shaft 2, a pressure shaft 4, a conveying shaft 2 and a conveying shaft 4 are symmetrically installed between the fixed plate 2, and the pressure shaft 2, the pressure shaft 4, the conveying shaft 2 and the conveying shaft 4 are all rotatably connected to the fixed plate 2, and the pressure shaft 2 and the pressure shaft 4 are between the conveying shaft 2 and the conveying shaft 4. A pressure cylinder 2 is installed on the surface of the pressure shaft 2, a pressure cylinder 4 is installed on the surface of the pressure shaft 4, a conveying cylinder 2 is installed on the surface of the conveying shaft 2, and a conveying cylinder 4 is installed on the surface of the conveying shaft 4. A first shrinking roller, a first cleaning cloth roller, a second shrinking roller and a second cleaning cloth roller are installed on the inner side of the shell. The surface of the first cleaning cloth roller is installed with a first cleaning cloth roll, the surface of the second cleaning cloth roller is installed with a second cleaning cloth roll, the surface of the first shrinking roller is installed with a first shrinking roll, the surface of the second shrinking roller is installed with a second shrinking roll, and the bottom of the fixed plate 2 is installed with a telescopic rod, the telescopic ends of the telescopic rods all pass through the fixed plate 2, and the telescopic ends of the telescopic rods are all installed with the fixed plate 1, and the conveying shaft 1, the conveying shaft 3, the pressure shaft 1 and the pressure shaft 3 are installed between the fixed plate 1, the pressure shaft 1 and the pressure shaft 3 are between the conveying shaft 1 and the conveying shaft 3, the pressure cylinder 1 is installed on the surface of the pressure shaft 1, the pressure cylinder 3 is installed on the surface of the pressure shaft 3, the conveying cylinder 1 is installed on the surface of the conveying shaft 1, and the conveying cylinder 3 is installed on the surface of the conveying shaft 3.

[0007] Furthermore, the conveying shaft 2 and the conveying shaft 4 are connected via a first synchronous belt transmission.

[0008] Furthermore, the first shrinking roller and the second shrinking roller are connected via a second synchronous belt transmission.

[0009] Furthermore, a first baffle and a second baffle are installed on one side of the inner wall of the outer shell, a worm is installed between the first baffle and the second baffle, the worm is rotatably connected to the first baffle and the second baffle, and the worm passes through the second baffle, a worm wheel is fixedly installed on the end of the first shrinking roller close to the worm, the first shrinking roller passes through the worm wheel, the worm wheel and the worm are meshed and connected, a first bevel gear is fixedly installed on the bottom of the worm, a second bevel gear is installed on the end of the conveying shaft 2 close to the first bevel gear, the conveying shaft 2 passes through the second bevel gear, and the second bevel gear and the first bevel gear are meshed and connected.

[0010] Furthermore, both ends of the first cleaning cloth roller and the second cleaning cloth roller are rotatably connected to the shell, both ends of the first shrinking roller and the second shrinking roller are rotatably connected to the shell, and the conveying shaft 2 and the conveying shaft 4 are rotatably connected to the shell.

[0011] Furthermore, both ends of the second pressure shaft and both ends of the third pressure shaft are rotatably connected to the outer shell.

[0012] Furthermore, a motor is fixedly mounted on one side of the housing, an output end of the motor passes through the housing, and the output end of the motor is connected to the second conveying shaft via a connector.

[0013] Furthermore, the first cleaning cloth roll and the second cleaning cloth roll pass through between pressure cylinder 1 and pressure cylinder 2, and between pressure cylinder 3 and pressure cylinder 4 in sequence, and the other ends are connected to the first shrink roll and the second shrink roll respectively.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. The utility model cleans the surface of the plate through the first cleaning cloth roll, the second cleaning cloth roll, the first shrinking roller and the second shrinking roller, which can remove most of the oil stains on the surface, and the cleaning cloth is continuously replaced to ensure sufficient cleaning quality.

[0016] 2. The utility model can allow the plate to enter the machine automatically through the conveying tube 1, the conveying tube 2, the conveying tube 3 and the conveying tube 4, thereby saving more manpower. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a three-dimensional schematic diagram of a device for removing oil stains from the surface of an aluminum plate according to the utility model;

[0018] Figure 2 This is a three-dimensional schematic diagram of the internal structure of a device for removing oil stains on the surface of aluminum plates according to the utility model;

[0019] Figure 3 This is a schematic plan view of a device for removing oil stains from the surface of an aluminum plate according to the utility model;

[0020] Figure 4 It is a planar schematic diagram of another angle of the utility model of an aluminum plate surface oil removal device.

[0021] In the figure, the corresponding relationship between the component names and the drawing numbers is as follows:

[0022] 1. Housing; 2. First cleaning cloth roll; 3. Second cleaning cloth roll; 4. First retractable roll; 5. Second retractable roll; 6. Conveyor cylinder 1; 7. Conveyor cylinder 2; 8. Conveyor cylinder 3; 9. Conveyor cylinder 4; 10. Pressure cylinder 1; 11. Pressure cylinder 2; 12. Pressure cylinder 3; 13. Pressure cylinder 4; 101. First baffle; 102. Second baffle; 103. Worm; 104. Worm gear; 105. First bevel gear; 106. Second bevel gear; 201. Motor; 202. First cleaning cloth roller; 203, second cleaning cloth roller; 204, first shrinking roller; 205, second shrinking roller; 206, conveying shaft one; 207, conveying shaft two; 208, conveying shaft three; 209, conveying shaft four; 210, pressure shaft one; 211, pressure shaft two; 212, pressure shaft three; 213, pressure shaft four; 301, telescopic rod; 302, support plate; 303, first synchronous belt; 304, second synchronous belt; 305, fixed plate one; 306, fixed plate two. DETAILED DESCRIPTION

[0023] The following embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.

[0024] In the description of this utility model, unless otherwise specified, "plurality" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction, and therefore should not be construed as limiting this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0026] Example:

[0027] As attached Figure 1 To the attached Figure 4 As shown:

[0028] The utility model provides an aluminum plate surface oil stain removal device, comprising a shell 1, wherein two support plates 302 are symmetrically installed at the bottom of the inner wall of the shell 1, the support plates 302 are used to support the second fixing plate 306, and the top of each support plate 302 is installed with the second fixing plate 306, and the second fixing plate 306 makes the pressure shaft 211, the pressure shaft 4 213, the conveying shaft 207, and the conveying shaft 4 209 relatively fixed. The pressure shaft 211, the pressure shaft 4 213, the conveying shaft 207, and the conveying shaft 4 209 are symmetrically installed between the second fixing plate 306, and the pressure shaft 211, the pressure shaft 4 213, the conveying shaft 207, and the conveying shaft 4 209 are all rotatably connected to the second fixing plate 306, so that the second cleaning cloth roll 3 can move more smoothly, and the pressure The second shaft 211 and the pressure shaft 4 213 are between the conveying shaft 207 and the conveying shaft 4 209. The conveying cylinder 2 7 drives the plate to move forward to the position of the pressure cylinder 2 11 and the pressure cylinder 4 13, and then leaves the machine through the conveying cylinder 4 9. The pressure cylinder 2 11 is installed on the surface of the pressure shaft 211. The pressure cylinder 2 11 rotates through the pressure shaft 211. The pressure cylinder 4 13 is installed on the surface of the pressure shaft 4 213. The pressure cylinder 4 13 rotates through the pressure shaft 4 213. The conveying cylinder 2 7 is installed on the surface of the conveying shaft 207. The conveying shaft 207 drives the conveying cylinder 2 7 to rotate. The conveying cylinder 4 9 is installed on the surface of the conveying shaft 4 209. The conveying shaft 4 209 drives the conveying cylinder 4 9 to rotate. The first shrinking roller 204 and the first cleaning cloth roller 202 are installed on the inner side of the shell 1. , the second retracting roller 205 and the second cleaning cloth roller 203, the first cleaning cloth roller 202 is installed with a first cleaning cloth roll 2 on its surface, the first cleaning cloth roller 202 causes the first cleaning cloth roll 2 to rotate, the second cleaning cloth roller 203 is installed with a second cleaning cloth roll 3 on its surface, the second cleaning cloth roller 203 causes the second cleaning cloth roll 3 to rotate, the first retracting roller 204 is installed with a first retracting roll 4 on its surface, the first retracting roller 204 causes the first retracting roll 4 to rotate, the second retracting roller 205 is installed with a second retracting roll 5 on its surface, the second retracting roller 205 causes the second retracting roll 5 to rotate, a telescopic rod 301 is installed at the bottom of the fixed plate 2 306, the telescopic rod 301 can change the gap between the fixed plate 1 305 and the fixed plate 2 306, and the telescopic ends of the telescopic rod 301 pass through the fixed plate The first and second ends of the telescopic rod 301 are each installed with a fixing plate 1 305. The conveying shaft 1 206, the conveying shaft 3 208, the pressure shaft 1 210 and the pressure shaft 3 212 are installed between the fixing plates 1 305. The fixing plates 1 305 fix the conveying shaft 1 206, the conveying shaft 3 208, the pressure shaft 1 210 and the pressure shaft 3 212 in the required position. The pressure shaft 1 210 and the pressure shaft 3 212 are between the conveying shaft 1 206 and the conveying shaft 3 208. The pressure cylinder 10 is installed on the surface of the pressure shaft 1 210. The pressure cylinder 10 rotates through the pressure shaft 1 210. The pressure cylinder 3 12 is installed on the surface of the pressure shaft 3 212. The pressure cylinder 3 12 is installed on the surface of the pressure shaft 3 212. The conveying cylinder 1 6 is installed on the surface of the conveying shaft 1 206.The conveying cylinder 1 6 is rotated by the conveying shaft 1 206. The conveying cylinder 3 8 is installed on the surface of the conveying shaft 3 208. The conveying cylinder 3 8 is rotated by the conveying shaft 3 208.

[0029] Among them, the conveying shaft 207 and the conveying shaft 4 209 are connected by the first synchronous belt 303, and the rotation of the conveying shaft 207 drives the conveying shaft 4 209 to rotate through the first synchronous belt 303.

[0030] The first shrinking roller 204 and the second shrinking roller 205 are connected to each other through a second synchronous belt 304 . When the first shrinking roller 204 rotates, the second shrinking roller 205 is driven to rotate by the second synchronous belt 304 .

[0031] Among them, a first baffle 101 and a second baffle 102 are installed on one side of the inner wall of the shell 1, and a worm 103 is installed between the first baffle 101 and the second baffle 102. The worm 103 is rotatably connected to the first baffle 101 and the second baffle 102. The first baffle 101 and the second baffle 102 are used to fix the position of the worm 103, and the worm 103 passes through the second baffle 102. Passing through the second baffle 102 can be connected to the first bevel gear 105 below the second baffle 102. A worm wheel 104 is fixedly installed on one end of the first shrinking roller 204 close to the worm 103. The worm wheel 104 drives the first shrinking roller 204 to rotate, and the first shrinking roller 204 passes through the worm wheel 104. The first shrinking roller 204 passes through the worm gear 104 and is connected to the inner wall of the outer shell 1. The worm gear 104 and the worm 103 are meshed and connected. The rotation of the worm 103 drives the worm gear 104 to decelerate. A first bevel gear 105 is fixedly installed at the bottom of the worm 103. The rotation of the worm 103 drives the first bevel gear 105 to rotate. A second bevel gear 106 is installed at one end of the conveying shaft 207 close to the first bevel gear 105. The conveying shaft 207 passes through the second bevel gear 106. The conveying shaft 2 drives the second bevel gear 106 to rotate. The second bevel gear 106 and the first bevel gear 105 are meshed and connected, and the second bevel gear 106 drives the first bevel gear 105 to rotate.

[0032] Among them, both ends of the first cleaning cloth roller 202 and both ends of the second cleaning cloth roller 203 are rotatably connected to the outer shell 1, and the first cleaning cloth roller 202 and the second cleaning cloth roller 203 are installed through the outer shell 1, both ends of the first shrinking roller 204 and the second shrinking roller 205 are rotatably connected to the outer shell 1, and the conveying shaft 207 and the conveying shaft 4 209 are rotatably connected to the outer shell 1, and the conveying shaft 207 and the conveying shaft 4 209 are installed through the outer shell 1.

[0033] Both ends of the second pressure shaft 211 and the third pressure shaft 212 are rotatably connected to the outer shell 1 , and the positions of the second pressure shaft 211 and the third pressure shaft 212 are fixed by the outer shell 1 .

[0034] Among them, a motor 201 is fixedly installed on one side of the shell 1, and the output end of the motor 201 passes through the shell 1. The output end of the motor 201 is connected to the second conveying shaft 207 through a connector, and the motor 201 drives the second conveying shaft 207 to rotate through the connector.

[0035] Among them, the first cleaning cloth roll 2 and the second cleaning cloth roll 3 pass through the pressure cylinder 1 10 and the pressure cylinder 2 11, and between the pressure cylinder 3 12 and the pressure cylinder 4 13 in sequence, and the other ends are connected to the first shrink roll 4 and the second shrink roll 5 respectively. The first cleaning cloth roll 2 and the second cleaning cloth roll 3 are respectively transmitted through the first shrink roll 4 and the second shrink roll 5, and the first cleaning cloth roll 2 and the second cleaning cloth roll 3 apply pressure to the plate through the pressure between the pressure cylinder 1 10 and the pressure cylinder 2 11 and the pressure between the pressure cylinder 3 12 and the pressure cylinder 4 13, thereby increasing the friction and improving the cleaning quality.

[0036] The specific usage and function of this embodiment are as follows:

[0037] Before the installation and use of the present invention, the staff needs to check the internal components or structures of the device. After the inspection is correct, it can be used normally, turn on the power, start the machine through the external controller, and the motor 201 starts to rotate. The motor 201 drives the conveying shaft 2 7 to rotate through the connector, and the conveying shaft 2 7 drives the second bevel gear 106 to rotate. The second bevel gear 106 drives the worm 103 to rotate, and the worm 103 drives the worm gear 104 to rotate. The worm gear 104 drives the first shrinking roller 204 to rotate, and the first shrinking roller 204 drives the first shrinking roll 4 to rotate. The first shrinking roll 4 shrinks the first cleaning cloth roll 2, and the first cleaning cloth roll 2 rotates through the first cleaning cloth roller 202. The first cleaning cloth roll 2 drives the pressure cylinder 10 and the pressure cylinder 3 12 to rotate. The first shrinking roller 204 drives the second shrinking roller 205 to rotate through the second synchronous belt 304. The second shrinking roller 205 drives the second shrinking roll 5 to rotate. The second shrinking roll 5 shrinks the second cleaning cloth roll 3, and the second cleaning cloth The roll 3 rotates through the second cleaning cloth roller 203, and the second cleaning cloth roll 3 drives the pressure cylinder three 12 and the pressure cylinder four 13 to rotate, and the plate is placed between the conveying cylinder one 6 and the conveying cylinder two 7. The extension and contraction of the telescopic rod 301 adjusts the distance between the fixed plate one 305 and the fixed plate two 306 according to the thickness of the plate. The fixed plate one 305 moves up and down, driving the pressure shaft one 210, the pressure shaft three 212, the conveying shaft one 206 and the conveying shaft three 208 to move up and down, the pressure shaft one 210 drives the pressure cylinder one 10 to move, the pressure shaft three 212 drives the pressure cylinder three 12 to move, the conveying shaft one 206 drives the conveying cylinder one 6 to move, the conveying shaft three 208 drives the conveying cylinder three 8 to move, and the conveying cylinder two 7 rotates to drive the plate forward. The plate passes through the first cleaning cloth roll 2 and the second cleaning cloth roll 3 between the pressure cylinder one 10, the pressure cylinder three 12 and the pressure cylinder two and the pressure cylinder four 13 to achieve the cleaning effect, until the plate reaches between the conveying cylinder three 8 and the conveying cylinder four 9, and the conveying cylinder three 8 drives the plate to leave the machine.

[0038] The implementation methods of the present invention are provided for the purpose of illustration and description. Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present invention. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present invention.

Claims

1. A device for removing oil stains from the surface of an aluminum plate, comprising a housing (1), characterized in that: Two support plates (302) are symmetrically mounted on the bottom of the inner wall of the housing (1), and a second fixed plate (306) is mounted on the top of each support plate (302). A second pressure shaft (211), a fourth pressure shaft (213), a second conveying shaft (207) and a fourth conveying shaft (209) are symmetrically mounted between the second fixed plate (306). The second pressure shaft (211), the fourth pressure shaft (213), the second conveying shaft (207) and the fourth conveying shaft (209) are all rotatably connected to the second fixed plate (306). The second pressure shaft (211) and the fourth pressure shaft (213) are symmetrically mounted between the second fixed plate (306). 13) Between the conveying shaft 2 (207) and the conveying shaft 4 (209), the surface of the pressure shaft 2 (211) is installed with the pressure cylinder 2 (11), the surface of the pressure shaft 4 (213) is installed with the pressure cylinder 4 (13), the surface of the conveying shaft 2 (207) is installed with the conveying cylinder 2 (7), the surface of the conveying shaft 4 (209) is installed with the conveying cylinder 4 (9), the inner side of the shell (1) is installed with the first shrinking roller (204), the first cleaning cloth roller (202), the second shrinking roller (205) and the second cleaning cloth roller (203), the first cleaning cloth roller (203) and the second shrinking roller (205) are installed. The surface of the cloth roller (202) is installed with a first cleaning cloth roll (2), the surface of the second cleaning cloth roller (203) is installed with a second cleaning cloth roll (3), the surface of the first shrinking roller (204) is installed with a first shrinking roll (4), the surface of the second shrinking roller (205) is installed with a second shrinking roll (5), the bottom of the second fixed plate (306) is installed with a telescopic rod (301), the telescopic end of the telescopic rod (301) passes through the second fixed plate (306), and the telescopic end of the telescopic rod (301) is installed with a fixed plate (305), the fixed plate A conveying shaft 1 (206), a conveying shaft 3 (208), a pressure shaft 1 (210) and a pressure shaft 3 (212) are installed between the plate 1 (305). The pressure shaft 1 (210) and the pressure shaft 3 (212) are between the conveying shaft (6) and the conveying shaft (3). The pressure cylinder 1 (10) is installed on the surface of the pressure shaft 1 (210). The pressure cylinder 3 (12) is installed on the surface of the pressure shaft 3 (212). The conveying cylinder 1 (6) is installed on the surface of the conveying shaft 1 (206). The conveying cylinder 3 (8) is installed on the surface of the conveying shaft 3 (208).

2. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: A first synchronous belt (303) is installed between the second conveying shaft (207) and the fourth conveying shaft (209), and the second conveying shaft (207) and the fourth conveying shaft (209) are connected in transmission via the first synchronous belt (303).

3. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: A second synchronous belt (304) is installed between the first shrinking roller (204) and the second shrinking roller (205), and the first shrinking roller (204) and the second shrinking roller (205) are connected in transmission via the second synchronous belt (304).

4. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: A first baffle (101) and a second baffle (102) are installed on one side of the inner wall of the housing (1); a worm (103) is installed between the first baffle (101) and the second baffle (102); the worm (103) is rotatably connected to the first baffle (101) and the second baffle (102), and the worm (103) passes through the second baffle (102); a worm wheel (104) is fixedly installed on one end of the first shrinking roller (204) close to the worm (103); The shrinking roller (204) passes through the worm wheel (104), the worm wheel (104) and the worm (103) are meshed and connected, a first bevel gear (105) is fixedly installed at the bottom of the worm (103), a second bevel gear (106) is installed at one end of the second conveying shaft (207) close to the first bevel gear (105), the second conveying shaft (207) passes through the second bevel gear (106), and the second bevel gear (106) and the first bevel gear (105) are meshed and connected.

5. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: Both ends of the first cleaning cloth roller (202) and both ends of the second cleaning cloth roller (203) are rotatably connected to the outer shell (1), both ends of the first shrinking roller (204) and both ends of the second shrinking roller (205) are rotatably connected to the outer shell (1), and both the conveying shaft 2 (207) and the conveying shaft 4 (209) are rotatably connected to the outer shell (1).

6. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: Both ends of the second pressure shaft (211) and the third pressure shaft (212) are rotatably connected to the outer shell (1).

7. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: A motor (201) is fixedly mounted on one side of the housing (1), an output end of the motor (201) passes through the housing (1), and the output end of the motor (201) is connected to the second conveying shaft (207) via a connector.

8. The device for removing oil stains from the surface of an aluminum plate as claimed in claim 1, characterized in that: The first cleaning cloth roll (2) and the second cleaning cloth roll (3) are passed through between pressure cylinder 1 (10) and pressure cylinder 2 (11), and between pressure cylinder 3 (12) and pressure cylinder 4 (13) in sequence, and the other ends are connected to the first shrink roll (4) and the second shrink roll (5) respectively.

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