Pneumatic cone top device of rewinding machine

Abstract

The utility model relates to the field of rewinding machine winding and unwinding devices, in particular to a pneumatic cone top device of a rewinding machine, which comprises a bottom supporting component, a driving cone top combining piece, a follow-up cone top combining piece and an adjusting support component. A driving cone top combining piece is installed on one side of the upper portion of the bottom supporting assembly, the bottom of the driving cone top combining piece is connected with the bottom supporting assembly through an installation bolt, and an adjusting support assembly for installing and supporting a follow-up cone top combining piece is installed on the upper portion of the bottom supporting assembly. According to the pneumatic cone top device, adaptive cone top width adjustment can be carried out according to film roll coiled materials with different width specifications, the adjustment range is wide, and the production and use requirements of small-batch multi-specification products can be met.

Description

Technical Field

[0001] The utility model relates to the field of rewinding and unwinding devices of rewinding machines, in particular to a pneumatic cone top device of a rewinding machine. Background Art

[0002] The film rewinder is a device used for film rewinding. Since the film may be unevenly wound and have unstable tension when it is wound, the overall shape and tightness of the wound film cannot meet the needs of process use, and the film rewinder is required to rewind the film. The cone top device in the film rewinder is a structural device used to support the winding and unwinding of the film. In the specific production and use process, the cone top device needs to support coils of different widths and specifications. The cone top device in the existing film rewinder has a relatively fixed structure, a narrow cone top width adjustment range, and a complex adjustment structure, which cannot achieve the production of small batches of multi-specification products. Utility Model Content

[0003] The purpose of the utility model is to provide a pneumatic cone top device for a rewinder, the overall structure of which is scientifically designed. During use, the pneumatic cone top device of the utility model can adaptively adjust the cone top width according to film rolls of different width specifications, and has a wide adjustment range, which can meet the production and use needs of small batches of multi-specification products.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A pneumatic cone top device for a rewinding machine comprises a bottom support assembly, a driving cone top assembly, a follower cone top assembly and an adjustment bracket assembly, wherein the lower portion of the bottom support assembly is mounted on an external frame via mounting bolts, a driving cone top assembly is mounted on one side of an upper portion of the bottom support assembly, the bottom of the driving cone top assembly is mounted and connected to the bottom support assembly via mounting bolts, an adjustment bracket assembly for mounting and supporting the follower cone top assembly is mounted on the upper portion of the bottom support assembly, the lower portion of the adjustment bracket assembly is in movably contact with the bottom support assembly, a follower cone top assembly is mounted on the upper portion of the adjustment bracket assembly, and the follower cone top assembly is mounted and connected to the adjustment bracket assembly.

[0006] The bottom support assembly includes a bearing base plate, a first guide rail and a second guide rail. The lower part of the bearing base plate is installed on the peripheral frame through mounting bolts. The first guide rail and the second guide rail are symmetrically installed on both sides of the upper part of the bearing base plate. The first guide rail and the second guide rail are installed and connected to the bearing base plate through mounting bolts.

[0007] The driving cone top assembly includes a fixed support frame, a magnetic powder brake, a driving cone top body, a brake mounting seat and a driving cone top shaft. The bottom of the fixed support frame is installed on the bearing base plate and is connected to the bearing base plate. A brake mounting seat is installed on the upper part of the fixed support frame. The magnetic powder brake is installed on the brake mounting seat. The driving cone top shaft is installed on the magnetic powder brake. The driving cone top body is installed on the outer end of the driving cone top shaft and is connected to the driving cone top shaft.

[0008] The adjustment bracket assembly includes a guide slider, a movable bearing plate and a movable support frame. The guide slider is engaged with the first guide rail and the second guide rail and is in sliding contact with the first guide rail and the second guide rail. A movable bearing plate is installed on the upper part of the guide slider. The movable bearing plate and the guide slider are installed together through mounting bolts. A movable support frame is installed on the upper part of the movable bearing plate, and the movable support frame is fixedly installed and connected to the movable bearing plate.

[0009] Furthermore, a linear bearing is installed on the movable support frame, and the linear bearing is installed and connected to the movable support frame.

[0010] The follower cone top assembly includes a driving cylinder, a driving connecting frame, a follower cone top body, and a follower cone top shaft. The driving cylinder is installed on a movable support frame, a cylinder rod is installed on the driving cylinder, the lower part of the driving connecting frame is installed on the outer end of the cylinder rod and is fixedly connected to the cylinder rod, one end of the follower cone top shaft is installed on the upper part of the driving connecting frame and is installed and connected to the driving connecting frame, and the follower cone top body is installed at the other side end position of the follower cone top shaft through a bearing.

[0011] Furthermore, a pull pin is installed on the movable supporting plate, and a positioning hole adapted for the insertion and positioning of the pull pin is processed on the supporting bottom plate.

[0012] The beneficial effects of the utility model are as follows: the overall structural design of the pneumatic cone top device of the rewinder provided by the utility model is scientific, the installation and operation process is simple and convenient, and it has the following technical characteristics and advantages in the specific production and use process:

[0013] 1. The pneumatic cone top device of the rewinder of the utility model can adjust the distance between the driving cone top fitting and the follower cone top fitting through the coordinated operation of the bottom support assembly and the adjustment bracket assembly during use, so that the utility model can adaptively adjust the cone top width according to the film rolls of different width specifications, with a wide adjustment range, which can meet the production and use needs of small batches of multi-specification products;

[0014] 2. During the specific use of the pneumatic cone top device of the rewinder of the utility model, the film roll can be efficiently clamped by driving the cylinder and the connecting frame to drive the follower cone top shaft and the follower cone top body. At the same time, the magnetic powder brake is used to control the stable tension of the driving cone top shaft and the driving cone top body, and the pulling pin is installed on the movable bearing plate to realize the stable positioning of the adjustment bracket assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the assembly structure of the pneumatic cone top device of the rewinder of the utility model;

[0016] Figure 2 It is a structural schematic diagram of the bottom support assembly in the utility model;

[0017] Figure 3 It is a structural schematic diagram of the driving cone top fitting in the utility model;

[0018] Figure 4 It is a structural schematic diagram of the adjustment bracket assembly in the utility model;

[0019] Figure 5 It is a structural schematic diagram of the follower cone top fitting in the utility model;

[0020] The numbers in the figure are: 1-bottom support assembly, 2-driving cone top fitting, 3-following cone top fitting, 4-adjusting bracket assembly, 11-bearing bottom plate, 12-first guide rail, 13-second guide rail, 14-positioning hole, 21-fixed support frame, 22-magnetic powder brake, 23-driving cone top body, 24-brake mounting seat, 25-driving cone top shaft, 31-driving cylinder, 32-driving connecting frame, 33-following cone top body, 34-following cone top shaft, 41-guide slider, 42-movable bearing plate, 43-movable support frame, 44-pulling pin, 45-linear bearing. DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly or indirectly connected to the other element. When an element is referred to as "connected to" another element, it can be directly or indirectly connected to the other element. The terms "left" and "right" used to indicate orientation in this application document are based on the specific structure shown in the accompanying drawings and do not constitute a limitation on the structure.

[0022] Specific embodiment 1: As shown in the specification of the utility model Figure 1As shown, a pneumatic cone top device of a rewinding machine provided by the utility model mainly comprises a bottom support assembly 1, a driving cone top fitting 2, a follower cone top fitting 3 and an adjustment bracket assembly 4, wherein the bottom support assembly 1 is mainly used to install and support the driving cone top fitting 2 and the adjustment bracket assembly 4. During installation, the lower part of the bottom support assembly 1 is installed on the external machine frame through mounting bolts, and a driving cone top fitting 2 is installed on one side of the upper part of the bottom support assembly 1. The driving cone top fitting 2 is used to tighten one side of the film roll. And tension control, during installation, the bottom of the driving cone top joint 2 is connected to the bottom support assembly 1 through mounting bolts, and an adjusting bracket assembly 4 for mounting and supporting the follower cone top joint 3 is installed on the upper part of the bottom support assembly 1, the lower part of the adjusting bracket assembly 4 is in active contact with the bottom support assembly 1, and a follower cone top joint 3 is installed on the upper part of the adjusting bracket assembly 4, the follower cone top joint 3 cooperates with the driving cone top joint 2 to support the unwinding of the film roll, and during installation, the follower cone top joint 3 is installed and connected to the adjusting bracket assembly 4.

[0023] As the specification in this utility model Figure 2 As shown, the bottom support assembly 1 for mounting and supporting the driving cone top joint 2 and the adjusting bracket assembly 4 includes a bearing base plate 11, a first guide rail 12 and a second guide rail 13, wherein the bearing base plate 11 is used to mount and support the first guide rail 12 and the second guide rail 13. During installation, the lower portion of the bearing base plate 11 is mounted on the peripheral frame by mounting bolts, and the first guide rail 12 and the second guide rail 13 are symmetrically arranged on both sides of the upper portion of the bearing base plate 11. The first guide rail 12 and the second guide rail 13 are used to guide and adjust the adjusting bracket assembly 4. During installation, the first guide rail 12 and the second guide rail 13 are mounted and connected to the bearing base plate 11 by mounting bolts.

[0024] As the specification in this utility model Figure 3 As shown, the driving cone top assembly 2 for tightening and controlling the tension of one side of the film roll comprises a fixed support frame 21, a magnetic powder brake 22, a driving cone top body 23, a brake mounting seat 24 and a driving cone top shaft 25, wherein the fixed support frame 21 is used to install and support the magnetic powder brake 22. During installation, the bottom of the fixed support frame 21 is installed on the bearing base plate 11 and is connected to the bearing base plate 11. A brake mounting seat 24 adapted for the installation of the magnetic powder brake 22 is installed on the upper part of the fixed support frame 21. During installation, the magnetic powder brake 22 is installed on the brake mounting seat 24. A driving cone top shaft 25 is installed on the magnetic powder brake 22. The magnetic powder brake 22 can control the rotational force of the driving cone top shaft 25. During installation, the driving cone top body 23 is installed on the outer end of the driving cone top shaft 25 and is connected to the driving cone top shaft 25.

[0025] As the specification in this utility model Figure 4 As shown, the adjustment bracket assembly 4 for mounting and supporting the follower cone top fitting 3 includes a guide slider 41, a movable bearing plate 42 and a movable support frame 43, wherein the guide slider 41 is used to mount and support the movable bearing plate 42. During installation, the guide slider 41 is engaged with the first guide rail 12 and the second guide rail 13 and is in sliding contact with the first guide rail 12 and the second guide rail 13. A movable bearing plate 42 is mounted on the upper part of the guide slider 41. The movable bearing plate 42 and the guide slider 41 are mounted together by mounting bolts. A movable support frame 43 for supporting the follower cone top fitting 3 is mounted on the upper part of the movable bearing plate 42. The movable support frame 43 is fixedly mounted and connected to the movable bearing plate 42. In order to ensure the linear guidance of the follower cone top shaft 34, a linear bearing 45 is mounted on the movable support frame 43, and the linear bearing 45 is mounted and connected to the movable support frame 43.

[0026] As the specification in this utility model Figure 5 As shown in the figure, the follower cone top coupling 3 that cooperates with the driving cone top coupling 2 to support the unwinding of the film roll includes a driving cylinder 31, a driving connecting frame 32, a follower cone top body 33, and a follower cone top shaft 34, wherein the driving cylinder 31 is mainly used to drive the follower cone top shaft 34 to extend and retract by driving the connecting frame 32. During installation, the driving cylinder 31 is installed on the mobile support frame 43, and a cylinder rod is installed on the driving cylinder 31, which is used to drive the follower cone top shaft 34 to extend and retract. The lower part of the connecting frame 32 is installed on the outer end of the cylinder rod and is fixedly connected to the cylinder rod. One end of the follower cone top shaft 34 is installed on the upper part of the driving connecting frame 32 and is installed and connected to the driving connecting frame 32. The follower cone top body 33 is installed at the other end position of the follower cone top shaft 34 through a bearing. In order to achieve the adjustment and positioning of the adjustment bracket assembly 4, a pull pin 44 is installed on the movable supporting plate 42, and a positioning hole 14 adapted for the insertion and positioning of the pull pin 44 is processed on the supporting bottom plate 11.

[0027] The installation and use process of the pneumatic cone top device of the rewinder of the utility model is as follows:

[0028] 1. The installation process is as follows:

[0029] First, the installer can install the bottom support assembly 1. During the specific installation, the lower part of the bearing base plate 11 can be installed on the peripheral frame through the installation bolts, and the first guide rail 12 and the second guide rail 13 are symmetrically installed on both sides of the upper part of the bearing base plate 11. During installation, the first guide rail 12 and the second guide rail 13 are installed and connected to the bearing base plate 11 through the installation bolts, and then the driving cone top assembly 2 is installed. Specifically, the bottom of the fixed support frame 21 can be installed on the bearing base plate 11 and connected to the bearing base plate 11, and the brake mounting seat 24 is installed on the upper part of the fixed support frame 21, and then the magnetic powder brake 22 is installed on the brake mounting seat 24, and the driving cone top shaft 25 is installed on the magnetic powder brake 22. The magnetic powder brake 22 can control the rotational force of the driving cone top shaft 25, and the driving cone top body 23 is installed at the outer end position of the driving cone top shaft 25, and then the adjustment bracket assembly 4 is installed. During installation The guide slider 41 can be engaged with the first guide rail 12 and the second guide rail 13, and a movable carrying plate 42 is installed on the upper part of the guide slider 41, and a movable support frame 43 for supporting the follower cone top fitting 3 is installed on the upper part of the movable carrying plate 42. In order to ensure the linear guidance of the follower cone top shaft 34, a linear bearing 45 is installed on the movable support frame 43. Finally, the follower cone top fitting 3 is installed. Specifically, the driving cylinder 31 is installed on the movable support frame 43, and a cylinder rod is installed on the driving cylinder 31, and the lower part of the driving connecting frame 32 is installed on the outer end of the cylinder rod, and one end of the follower cone top shaft 34 is installed on the upper part of the driving connecting frame 32. The follower cone top body 33 is installed at the other side end position of the follower cone top shaft 34 through a bearing, and a pull pin 44 is installed on the movable carrying plate 42. A positioning hole 14 adapted for inserting and positioning the pull pin 44 is processed on the bearing bottom plate 11. At this point, the installation process of the utility model is completed.

[0030] During specific use, the operator can adjust the spacing distance between the driving cone top joint 2 and the follower cone top joint 3 through the coordinated operation of the bottom support assembly 1 and the adjustment bracket assembly 4. Specifically, the spacing can be adjusted by adjusting the sliding position of the adjustment bracket assembly 4 on the bottom support assembly 1. After the spacing adjustment is completed, in order to achieve the adjustment and positioning of the adjustment bracket assembly 4, a pull pin 44 is installed on the movable bearing plate 42, and a positioning hole 14 adapted for the insertion and positioning of the pull pin 44 is processed on the bearing bottom plate 11. The operator can achieve the positioning of the adjustment bracket assembly 4 through the cooperation of the pull pin 44 and the positioning hole 14. Then, the operator can control the driving cylinder 31 in the follower cone top joint 3 to start and drive The moving cylinder 31 drives the connecting frame 32 to extend outward through the cylinder rod, and drives the connecting frame 32 to drive the follower cone top body 33 and the follower cone top shaft 34 to move backward. At this time, the operator can arrange the film roll to be unwound between the driving cone top body 23 and the follower cone top body 33. At this time, the driving cylinder 31 can be controlled to reset, and the cylinder rod drives the follower cone top shaft 34 to retract and move forward by driving the connecting frame 32. The follower cone top shaft 34 drives the follower cone top body 33 to clamp the film roll between the driving cone top body 23 and the follower cone top body 33 to unwind. During the unwinding process, the magnetic powder brake 22 performs stable torque control on the driving cone top shaft 25 and the driving cone top body 23, thereby realizing tension control of the film roll. The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and the specification only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, and these changes and improvements shall fall within the scope of the present invention to be protected.

Claims

1. A pneumatic cone top device for a rewinding machine, characterized in that: The invention comprises a bottom support assembly (1), a driving cone top assembly (2), a follower cone top assembly (3) and an adjustment bracket assembly (4); the lower part of the bottom support assembly (1) is mounted on an external frame by means of mounting bolts; the driving cone top assembly (2) is mounted on one side of the upper part of the bottom support assembly (1); the bottom of the driving cone top assembly (2) is mounted and connected to the bottom support assembly (1) by means of mounting bolts; an adjustment bracket assembly (4) for mounting and supporting the follower cone top assembly (3) is mounted on the upper part of the bottom support assembly (1); the lower part of the adjustment bracket assembly (4) is in movable contact with the bottom support assembly (1); the follower cone top assembly (3) is mounted on the upper part of the adjustment bracket assembly (4); the follower cone top assembly (3) is mounted and connected to the adjustment bracket assembly (4).

2. A pneumatic cone top device for a rewinding machine according to claim 1, characterized in that: The bottom support assembly (1) comprises a bearing base plate (11), a first guide rail (12) and a second guide rail (13); the lower portion of the bearing base plate (11) is mounted on an external frame via mounting bolts; the first guide rail (12) and the second guide rail (13) are symmetrically mounted on both sides of the upper portion of the bearing base plate (11); the first guide rail (12) and the second guide rail (13) are mounted and connected to the bearing base plate (11) via mounting bolts.

3. A pneumatic cone top device for a rewinding machine according to claim 2, characterized in that: The driving cone top assembly (2) comprises a fixed support frame (21), a magnetic powder brake (22), a driving cone top body (23), a brake mounting seat (24) and a driving cone top shaft (25), wherein the bottom of the fixed support frame (21) is mounted on the bearing base plate (11), the brake mounting seat (24) is mounted on the upper part of the fixed support frame (21), the magnetic powder brake (22) is mounted on the brake mounting seat (24), the driving cone top shaft (25) is mounted on the magnetic powder brake (22), and the driving cone top body (23) is mounted on the outer end of the driving cone top shaft (25) and is connected to the driving cone top shaft (25).

4. A pneumatic cone top device for a rewinding machine according to claim 2, characterized in that: The adjustment bracket assembly (4) comprises a guide slider (41), a movable bearing plate (42) and a movable support frame (43); the guide slider (41) is engaged with the first guide rail (12) and the second guide rail (13); a movable bearing plate (42) is installed on the upper part of the guide slider (41); the movable bearing plate (42) and the guide slider (41) are installed together by mounting bolts; a movable support frame (43) is installed on the upper part of the movable bearing plate (42); and the movable support frame (43) is fixedly installed and connected to the movable bearing plate (42).

5. A pneumatic cone top device for a rewinding machine according to claim 4, characterized in that: A linear bearing (45) is installed on the movable support frame (43), and the linear bearing (45) is installed and connected with the movable support frame (43).

6. A pneumatic cone top device for a rewinding machine according to claim 4, characterized in that: The follower cone top assembly (3) comprises a driving cylinder (31), a driving connecting frame (32), a follower cone top body (33), and a follower cone top shaft (34). The driving cylinder (31) is mounted on a movable support frame (43), a cylinder rod is mounted on the driving cylinder (31), the lower part of the driving connecting frame (32) is mounted on the outer end of the cylinder rod, one end of the follower cone top shaft (34) is mounted on the upper part of the driving connecting frame (32), and the follower cone top body (33) is mounted on the other side end position of the follower cone top shaft (34) through a bearing.

7. A pneumatic cone top device for a rewinding machine according to claim 4, characterized in that: A pull pin (44) is installed on the movable bearing plate (42), and a positioning hole (14) adapted for inserting and positioning the pull pin (44) is processed on the bearing bottom plate (11).

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