PVC (polyvinyl chloride) sheet winding equipment

Abstract

The utility model relates to the technical field of PVC sheet machining, and discloses PVC sheet winding equipment which comprises a rack, two positioning plates oppositely arranged on the rack, a plurality of winding rollers rotationally arranged between the two positioning plates, a driving part used for controlling one winding roller to rotate in the circumferential direction, and a power part used for controlling the two positioning plates to rotate synchronously. The winding rollers can alternately move to the positions corresponding to the driving parts and are detachably connected with the driving parts. According to the winding device, replacement of a new winding roller is achieved through the power part, an operator can detach and replace the original winding roller wound with the PVC sheet while the new winding roller conducts winding on the PVC sheet, the driving part does not need to be started after the original winding roller is replaced in place, the shutdown time of the driving part is saved, and the winding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of PVC sheet processing, and particularly relates to a PVC sheet winding device. BACKGROUND

[0002] PVC sheet refers to a plastic film made of polyvinyl chloride resin and other modifiers through calendering or blow molding process. The PVC sheet is widely used due to its good flexibility, chemical resistance and printing performance. Since the PVC sheet is generally sold in the form of a roll after forming, a winding device needs to be used to wind the PVC sheet during the processing.

[0003] A winding device in the related art comprises a rack, a winding roller rotatably arranged on the rack, and a driving motor for controlling the circumferential rotation of the winding roller. During winding processing, the PVC sheet is gradually wound on the winding roller along with the circumferential rotation of the winding roller.

[0004] However, the winding device needs to be stopped first, the winding roller wound with the PVC sheet needs to be removed, and then a new winding roller needs to be connected to the driving motor after the winding of each roll of PVC sheet is completed. Therefore, the winding device is time-consuming and laborious, and the winding efficiency is low, which needs to be improved. CONTENT OF THE INVENTION

[0005] In order to improve the winding efficiency of the PVC sheet, the present application provides a PVC sheet winding device.

[0006] The PVC sheet winding device provided by the present application adopts the following technical scheme:

[0007] The PVC sheet winding device comprises a rack, two positioning plates oppositely arranged on the rack, a plurality of winding rollers rotatably arranged between the two positioning plates, a driving member for controlling the circumferential rotation of one of the winding rollers, and a power member for controlling the synchronous rotation of the two positioning plates. Each winding roller can be alternately moved to a position corresponding to the driving member and detachably connected to the driving member.

[0008] Through the above technical scheme, when winding the PVC sheet, one of the winding rollers is first moved to a position corresponding to the driving member, and then the winding roller is connected to the driving member, so that the winding roller can be controlled by the driving member to rotate around its own axis, thereby winding the PVC sheet.

[0009] After the PVC sheet is wound on the winding roller, the driving member is first stopped and disconnected from the winding roller, and then the positioning plate is driven by the power member to rotate the winding roller, so that a new winding roller is moved to correspond to the driving member, and the winding roller is connected to the driving member, so that the winding roller is replaced. While the new winding roller is winding the PVC sheet, the operator can replace the winding roller on which the PVC sheet is wound without waiting for the original winding roller to be replaced before starting the driving member, which helps to save the shutdown time of the driving member and improve the winding efficiency.

[0010] Optionally, the driving member comprises a driving motor, a driving block fixedly connected to an output shaft of the driving motor, and a horizontal push cylinder for controlling the driving motor to move towards or away from the winding roller, the winding roller is provided with a driving groove for the driving block to extend into, and the cross sections of the driving groove and the driving block are non-circular.

[0011] By adopting the above technical scheme, when the winding roller moves to the position corresponding to the driving member, the horizontal push cylinder controls the driving motor to move towards the winding roller, so that the driving block extends into the driving groove. At this time, when the driving motor starts, its output shaft can drive the winding roller to rotate, so that the winding roller winds the PVC sheet. After winding is completed, the horizontal push cylinder controls the driving motor to move away from the winding roller, so that the driving block moves out of the driving groove. The connection or separation of the winding roller and the driving motor is realized by the horizontal push cylinder, which saves manpower compared with manual removal, and improves the winding efficiency.

[0012] Optionally, the winding roller comprises a winding part and mounting parts separately arranged on both sides of the winding part, the mounting parts are detachably arranged in the positioning plate, the driving groove is arranged on the mounting part, and the both ends of the winding part are respectively provided with a gap groove for the mounting part to extend into, and the gap groove is provided with a locking bolt threadedly connected with the mounting part.

[0013] By adopting the above technical scheme, after the winding roller is separated from the driving member, the locking bolt can be removed first, and then the two mounting parts are moved away from the winding part, so that the mounting part is separated from the winding part, so that the winding part can be separated from the entire winding device, which is convenient for taking out the wound PVC sheet from the winding part. Compared with the mode of removing the entire winding roller from the positioning plate, only the winding part needs to be removed, which is convenient to operate.

[0014] Optionally, a plurality of sets of limiting members are arranged along the length direction of the winding part, and each set of limiting members comprises a plurality of limiting blocks distributed in the circumferential direction of the winding part.

[0015] By adopting the technical scheme, generally, the PVC sheet is wound on the winding drum with certain hardness. The winding drum is sleeved outside the winding roller, and the limiting piece abuts against the inside of the winding drum, so that the friction between the winding part and the winding drum is increased, the winding drum is not easy to rotate relative to the winding part, and thus the PVC sheet can be precisely and stably wound on the winding drum. The limiting pieces are arranged in multiple groups in intervals, which can adapt to the winding of PVC sheets with different widths on the winding part, and the use scenarios are various.

[0016] Optionally, a plurality of limiting grooves corresponding to the limiting pieces are formed in the circumferential side wall of the winding part, and a return spring is connected between the groove wall of the limiting groove and the limiting piece.

[0017] By adopting the technical scheme, the limiting piece and the return spring are located in the limiting groove, and the limiting groove has a protection effect on the limiting piece and the return spring. The elastic force of the return spring can push the limiting piece out of the limiting groove, so that the abutting force of the limiting piece against the winding drum located on the inside of the PVC sheet is increased, the friction between the winding part and the winding drum is further increased, and the PVC sheet can be more stably wound on the winding part.

[0018] Optionally, the power piece includes a rotating motor and a rotating shaft detachably connected with the output shaft of the rotating motor, and the two ends of the rotating shaft are respectively fixed with connecting rings, which are detachably arranged on the adjacent positioning plates by fasteners.

[0019] By adopting the technical scheme, when the rotating shaft is damaged, the connecting ring can be separated from the positioning plate by loosening the fastener, so that the rotating shaft can be removed from the positioning plate to replace a new rotating shaft, and the operation is convenient.

[0020] Optionally, a plurality of supports are arranged on the positioning plate, and a plurality of pressing rods corresponding to the winding rollers are connected to the supports, and the distance between the pressing rods and the rotating shaft is greater than the distance between the winding rollers and the rotating shaft.

[0021] By adopting the technical scheme, when winding work is performed, the PVC sheet can be wound around the pressing rod corresponding to the winding roller, and the pressing rod can be pressed against the PVC sheet, so that the PVC sheet is first flattened by the pressing rod and then wound on the winding roller. The pressing rod can prevent the PVC sheet from being too loose, so that the PVC sheet wound on the winding roller is more orderly, the winding effect is good, and the quality of the finished product is high.

[0022] Optionally, a damping pad is arranged on the rack and located directly below one of the winding rollers that is staggered with the driving piece.

[0023] By adopting the technical scheme, after the winding part is removed, the rolled PVC sheet material falls on the shock pad. Compared with falling on a hard position such as the ground, the shock pad can buffer the impact force received by the PVC sheet material, so that the PVC sheet material is not easy to be damaged, and the integrity of the rolled PVC sheet material is beneficial to be ensured.

[0024] Optionally, a damping groove is formed in the rack, and the damping pad is embedded in the damping groove.

[0025] By adopting the technical scheme, the damping groove can limit the damping pad, so that the damping pad is not easy to slide, so as to accurately catch the falling PVC sheet material. When the damping pad is damaged, the damping pad can be taken out to replace a new damping pad, and the operation is simple.

[0026] Optionally, a plurality of through holes are formed in the positioning plate, and the through holes are uniformly distributed along the central axis of the rotating shaft.

[0027] By adopting the technical scheme, the through holes can save the raw materials consumed when the positioning plate is manufactured, and the through holes are uniformly distributed along the positioning plate, so that the gravity of each part of the positioning plate is relatively balanced, and then the force required by the positioning plate in the rotating process is more stable, and the rotating process is more smooth.

[0028] In summary, the present application includes at least one of the following beneficial technical effects:

[0029] 1. After each roll of PVC sheet material is wound, the winding roller wound with the PVC sheet material can be directly separated from the driving part by using the power part, and a new winding roller is connected with the driving part, without waiting for the original winding roller to be replaced in place before starting the driving part, thereby saving the time and manpower required for removing the winding roller, and improving the winding efficiency;

[0030] 2. The connection or separation of the winding roller and the driving motor is realized by the horizontal push cylinder, so that the new winding roller is replaced, and compared with manual removal, the manpower is saved, and the winding efficiency is improved;

[0031] 3. When the winding roller wound with the PVC sheet material needs to be taken out, since the winding part and the mounting part of the winding roller are detachably connected, the winding part can be individually removed, and the operation is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 is the overall structure diagram of embodiment 1 of the present application.

[0033] Figure 2 is a structure diagram for showing the pressing rod in embodiment 1 of the present application.

[0034] Figure 3 is a cross-sectional view of the winding roller in embodiment 1 of the present application.

[0035] Figure 4 is a partial explosion schematic view of the embodiment 1 of the present application, which hides the rack and is used for showing the driving member.

[0036] Figure 5 is a partial schematic view of the embodiment 1 of the present application, which is used for showing the power member.

[0037] Figure 6 is a whole structure view of the embodiment 2 of the present application.

[0038] Explanation of reference signs:

[0039] 1, rack; 11, base; 12, support plate; 13, damping pad; 14, damping groove; 2, positioning plate; 21, through hole; 22, support; 23, pressing rod; 3, winding roller; 31, driving groove; 32, winding part; 321, limiting member; 322, limiting block; 323, limiting groove; 324, return spring; 33, mounting part; 34, accommodation groove; 35, locking bolt; 4, driving member; 41, driving motor; 42, driving block; 43, horizontal push cylinder; 44, horizontal push seat; 5, power member; 51, rotating motor; 52, rotating shaft; 53, connecting ring; 54, fastener. DETAILED DESCRIPTION

[0040] The following will be described in detail in combination with the accompanying drawings. Figures 1-6 The present application will be further described in detail.

[0041] The embodiment of the present application discloses a PVC sheet winding device.

[0042] Embodiment 1

[0043] With reference to Figure 1 , a PVC sheet winding device comprises a rack 1, two positioning plates 2 oppositely arranged on the rack 1, a plurality of winding rollers 3 rotatably arranged between the two positioning plates 2, a driving member 4 for controlling circumferential rotation of one of the winding rollers 3, and a power member 5 for controlling synchronous rotation of the two positioning plates 2. The rack 1 comprises a base 11 and two support plates 12, and the two support plates 12 are fixed on the same side of the base 11. In this embodiment, the shape of the positioning plate 2 is preferably triangular, and the number of the winding rollers 3 is preferably three, and in other cases, the specific shape and number can be designed according to customer requirements.

[0044] With reference to Figure 2 , a plurality of through holes 21 are formed in the positioning plate 2, and in this embodiment, the number of the through holes 21 is preferably three. The design of the through holes 21 saves the raw materials required for manufacturing the positioning plate 2, and reduces the production cost. In order to ensure smooth operation of the positioning plate 2 during rotation, the through holes 21 are uniformly distributed along the positioning plate 2, so that the gravity of each part of the positioning plate 2 is relatively balanced.

[0045] With reference toFigure 2 The two positioning plates 2 are also respectively provided with a plurality of supports 22, and preferably three supports 22 are arranged on each positioning plate 2 in the embodiment. Adjacent supports 22 on different positioning plates 2 are connected by a pressing rod 23, and the number of the pressing rods 23 is equal to that of the winding rollers 3. In order to make the PVC sheet be flattened by the pressing rod 23 before being wound on the winding roller 3, the distance between the pressing rod 23 and the center of the positioning plate 2 is preferably greater than the distance between the winding roller 3 and the center of the positioning plate 2.

[0046] Referring to Figure 1 and Figure 3 , the winding roller 3 comprises a winding part 32 and a mounting part 33 arranged on both sides of the winding part 32. The diameter of the mounting part 33 is smaller than that of the winding part 32. The winding part 32 is used for winding the PVC sheet, and the mounting part 33 is detachably arranged in the positioning plate 2. Specifically, the mounting part 33 can be rotatably arranged in the positioning plate 2. After the mounting part 33 is separated from the winding part 32, the mounting part 33 can be removed from the positioning plate 2 by moving the mounting part 33 away from the winding part 32.

[0047] Referring to Figure 1 and Figure 3 , both side surfaces of the winding part 32 are provided with a clearance groove 34 for the mounting part 33. The clearance groove 34 is provided with a locking bolt 35 which is threadedly connected with the mounting part 33. The locking bolt 35 is provided with a plurality of locking bolts 35 which are distributed on the groove wall of the clearance groove 34 in the circumferential direction. When the winding roller 3 is rotated to a position deviated from the driving part 4, the locking bolt 35 can be loosened to remove the winding part 32, so that the wound PVC sheet can be taken out. Finally, the new winding part 32 is connected with the mounting part 33, and the next winding work can be continued. The winding efficiency is improved by repeating the above steps.

[0048] Referring to Figure 2 and Figure 3 , in order to improve the winding stability of the PVC sheet, a plurality of limiting parts 321 are arranged on the winding part 32 along the length direction of the winding part 32. Each limiting part 321 comprises a plurality of limiting blocks 322 which are distributed in the circumferential direction along the central axis of the winding part 32. The circumferential side wall of the winding part 32 is provided with a limiting groove 323 which is equal in number to the limiting blocks 322 and corresponds to the limiting blocks 322 one by one. The limiting groove 323 is connected with the limiting block 322 by a return spring 324. The return spring 324 has a tendency to drive the limiting block 322 to extend out of the limiting groove 323. The limiting block 322 abuts between the winding part 32 and the winding drum for winding the PVC sheet, so as to increase the friction between the winding part 32 and the winding drum, and the PVC sheet can be more stably wound on the winding part 32. A plurality of limiting parts 321 are arranged on the circumferential side wall of the winding part 32, which can adapt to the winding of PVC sheets with different widths on the winding part 32, and has a wide range of applications.

[0049] With reference to Figure 4 The driving member 4 comprises a driving motor 41, a driving block 42 fixedly connected with an output shaft of the driving motor 41, a flat push cylinder 43 for controlling the driving motor 41 to move towards or away from one side of the positioning plate 2, the flat push cylinder 43 is connected with a flat push seat 44 on the side close to the winding roller 3, and the body of the driving motor 41 is arranged in the flat push seat 44. The two ends of the winding roller 3 are both provided with a driving groove 31, the driving groove 31 is provided for the driving block 42 to extend into, and the cross sections of the driving groove 31 and the driving block 42 are both non-circular. Only one end of the winding roller 3 is provided with the driving member 4 in the embodiment, and the driving member 4 can also be arranged at both ends of the winding roller 3 when needed. The output shaft of the driving motor 41 can drive the winding roller 3 to rotate, so that the PVC sheet is wound on the winding roller 3. After the winding roller 3 completes winding, the flat push cylinder 43 drives the driving block 42 to pull out of the driving groove 31, so that the driving motor 41 is separated from the winding roller 3, and then a new winding roller 3 is connected. The above-mentioned mode realizes the detachable connection of the driving member 4 and the winding roller 3, which saves manpower compared with manual disassembly and improves the winding efficiency.

[0050] With reference to Figure 5 The power member 5 comprises a rotating motor 51 and a rotating shaft 52 detachably connected with an output shaft of the rotating motor 51, the two ends of the rotating shaft 52 are fixedly connected with a connecting ring 53, the connecting ring 53 is detachably connected at the center of the two positioning plates 2, the connecting ring 53 is provided with a fastener 54 for connecting the rotating shaft 52 and the positioning plate 2, and the fastener 54 in the embodiment is preferably a fastening bolt. When the rotating shaft 52 needs to be disassembled, the fastening bolt on the connecting ring 53 is only loosened, and then the rotating shaft 52 can be disassembled, which is convenient for replacement or other uses.

[0051] The implementation principle of the PVC sheet winding device in the embodiment of the application is as follows: when the PVC sheet is wound, the driving member 4 drives the winding roller 3 connected therewith to rotate circumferentially. After the winding roller 3 completes winding of a roll of PVC sheet, the flat push cylinder 43 drives the driving block 42 to pull out of the driving groove 31, so that the driving motor 41 is separated from the winding roller 3, and then the positioning plate 2 is controlled to rotate by the power member 5, so that the original winding roller 3 is rotated to a position deviated from the driving member 4, so as to be disassembled. At the same time, when the winding roller 3 moves to a position corresponding to the driving member 4, the flat push cylinder 43 controls the driving motor 41 to move towards the side close to the winding roller 3, so that the driving block 42 extends into the driving groove 31. At this time, when the driving motor 41 is started, the output shaft thereof can drive the winding roller 3 to rotate, so that the winding roller 3 winds the PVC sheet. The above-mentioned winding device realizes replacement of the new winding roller 3 by the power member 5, and the winding roller 3 is convenient to disassemble, without the need to wait for the original winding roller 3 to be replaced to a position before the driving member 4 is started, thereby improving the winding efficiency.

[0052] Embodiment 2

[0053] Referring to Figure 6 The difference between the embodiment and embodiment 1 is that the base 11 is provided with a damping groove 14, and a damping pad 13 is embedded in the damping groove 14, and the damping pad 13 is located directly below one of the winding rollers 3 that is out of position with the driving member 4. When the winding roller 3 is completed winding and is turned to the position out of position with the driving member 4, the winding part 32 needs to be removed, and after the winding part 32 is removed, it will fall into the damping groove 14 directly below it. The length and width of the damping groove 14 are both greater than the winding part 32 with the PVC sheet, and the damping pad 13 can buffer the impact force received by the PVC sheet, so that it is not easy to be damaged. When the damping pad 13 is worn, the damping pad 13 can also be directly taken out of the damping groove 14 to replace a new damping pad 13, and the operation is simple.

[0054] The implementation principle of the PVC sheet winding device in the embodiment is that after the winding part 32 is removed, it will fall on the damping pad 13, and will not directly fall on the base 11 or the floor. The damping pad 13 can buffer the impact force received by the PVC sheet, and is beneficial to guarantee the product quality of the wound PVC sheet.

[0055] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application. Therefore, equivalent changes made according to the structure, shape and principle of the present application should be covered within the protection scope of the present application.

Claims

1. A PVC sheet winding apparatus characterized by: The utility model relates to a winding machine, including frame (1), the two positioning plate (2) of opposite arrangement on frame (1), the multiple winding roller (3) of rotation setting between two positioning plate (2), the drive part (4) for controlling one winding roller (3) circumferential rotation, the power part (5) for controlling two positioning plate (2) synchronous rotation, each winding roller (3) can be alternately removed to with the position corresponding of drive part (4) and with drive part (4) can be detachably connected.

2. A PVC sheet winding apparatus as claimed in claim 1, wherein: The drive part (4) includes drive motor (41), the drive block (42) fixed connection with the output shaft of drive motor (41), the flat push air cylinder (43) for controlling drive motor (41) to move to the side close to or away from winding roller (3), the drive groove (31) for drive block (42) is opened in winding roller (3) and is inserted, the cross section of drive groove (31) and drive block (42) are all non-circular.

3. A PVC sheet winding apparatus as claimed in claim 2, wherein: The winding roller (3) includes winding part (32), the installation part (33) of separate setting at winding part (32) two sides, the installation part (33) is detachably arranged in the positioning plate (2), the drive groove (31) is opened in the installation part (33), the both ends of winding part (32) are opened in the installation part (33) respectively and are inserted in the give room groove (34) for installation part (33), the locking bolt (35) of screw connection with installation part (33) is penetrated in the slot wall of give room groove (34).

4. The PVC sheet winding apparatus according to claim 3, characterized in that: The winding part (32) is spaced apart and is provided with a plurality of sets of limiting members (321) along the length direction of itself, each set of the limiting members (321) includes a plurality of limiting blocks (322) distributed circumferentially along the winding part (32).

5. A PVC sheet winding apparatus as claimed in claim 4, wherein: A plurality of limiting grooves (323) are formed on the circumferential side wall of the winding part (32) in a one-to-one correspondence with the limiting blocks (322), a return spring (324) is connected between the slot wall of the limiting groove (323) and the limiting block (322), and the return spring (324) has a tendency to drive the limiting block (322) to extend out of the limiting groove (323).

6. The PVC sheet winding apparatus according to claim 1, characterized in that: The power part (5) includes a rotating motor (51) and a rotating shaft (52) detachably connected with the output shaft of the rotating motor (51), the two ends of the rotating shaft (52) are respectively fixed with a connecting ring (53), and the connecting ring (53) is detachably arranged on the adjacent positioning plate (2) through a fastener (54).

7. A PVC sheet winding apparatus as claimed in claim 6, wherein: A plurality of supports (22) are arranged on the positioning plate (2), a plurality of pressing rods (23) corresponding in number to the winding rollers (3) are connected to the supports (22), and the distance between the pressing rods (23) and the rotating shaft (52) is greater than the distance between the winding rollers (3) and the rotating shaft (52).

8. The PVC sheet winding apparatus according to claim 3, characterized in that: A damping pad (13) is arranged on the frame (1), and the damping pad (13) is located directly below one winding roller (3) that is misaligned with the drive part (4).

9. A PVC sheet winding apparatus as claimed in claim 8, wherein: A damping groove (14) is formed on the frame (1), and the damping pad (13) is embedded in the damping groove (14).

10. The PVC sheet winding apparatus according to claim 1, characterized in that: A plurality of through holes (21) are formed on the positioning plate (2), and each through hole (21) is circumferentially distributed along the central axis of the rotating shaft (52).

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