CN211056289U - New rewinder - Google Patents

Abstract

The utility model discloses a novel rewinding machine, it includes frame, unwinding mechanism, unreels compression roller, carry over pinch rolls, unreels brake equipment, rolling compression roller, rolling brake equipment, duplex position winding mechanism and drive arrangement. The utility model has the advantages that the structural design is ingenious, the unreeling mechanism is reasonably arranged at the tail part of the frame, and the use safety can be improved; the automatic double-station winding mechanism is provided with the unwinding brake device and the winding brake device, can realize fine adjustment of tension control to wind and unwind, flexibly controls winding tension, effectively ensures that winding is neat, is wide in applicable material, high in flexibility, meets production requirements of different coil materials, is low in working noise, is effectively improved in working efficiency due to the double-station arrangement, is additionally provided with the positioning and locking device, automatically realizes accurate positioning when rotating in place, is convenient and simple to operate, and is beneficial to wide popularization and application.

Description

New rewinder

technical field

The utility model relates to the technical field of rewinding machines, in particular to a novel rewinding machine.

Background technique

The rewinding machine is suitable for slitting various plastic films such as stretch wrapping film and cling film. Its main purpose is to divide a large-diameter film into several small-diameter rolls or multiple rolls of small-diameter sub-rolls whose width is different from the original parent roll.

In modern society, rewinders are widely used in enterprises. There are various rewinders on the market, each of which has different design concepts, and strives to meet the requirements of different manufacturers. However, although the existing rewinder can roughly meet the requirements of use, its unwinding mechanism is set in front of the frame, which is easy to cause damage to the operators located in the aisle, and has potential safety hazards; moreover, the operators need to move to the machine frequently. The sub-roll can only be removed from the back of the rack, which brings trouble to the operation and low work efficiency.

Utility model content

The purpose of the utility model is to provide a new type of rewinding machine with ingenious and reasonable structure design, adjustable winding tension and good bubble removing effect, aiming at the above-mentioned shortcomings.

For achieving the above object, the technical scheme provided by the utility model is:

A new type of rewinding machine includes a frame, an unwinding mechanism, an unwinding pressure roller, a traction roller, an unwinding braking device, a winding pressure roller, a winding braking device, a double-station winding mechanism and a driving device. The unwinding mechanism, the traction roller and the double-station rewinding mechanism are arranged on the frame in the order from front to back, and the unwinding pressing roller is arranged on the frame corresponding to the position of the unwinding mechanism. The unwinding braking device is arranged on the frame corresponding to the position of the unwinding pressure roller, and can brake the unwinding pressure roller, and the winding pressure roller is arranged corresponding to the position of the double-station winding mechanism. On the frame, the winding braking device is arranged on the frame corresponding to the position of the winding pressure roller, and can brake the winding pressure roller, and the driving device is arranged on the frame and can The unwinding pressure roller and the winding pressure roller are driven to rotate.

As an improvement of the present utility model, the unwinding mechanism includes an unwinding cylinder, a driving rod, a unwinding rotating rod, an unwinding swing arm and a unwinding chuck, and the unwinding rotating rod is arranged on the frame through a bearing, The unwinding cylinder is arranged on the frame, and can drive the unwinding rotating rod to rotate through the driving rod. One end of the two unwinding swing arms is fixed on the unwinding rotating rod, and the other end is provided with a described discharge chuck.

As an improvement of the present utility model, the discharging chuck includes a discharging fixed plug, a discharging movable plug, a discharging top shaft and an ejecting cylinder, and the discharging fixed plug is arranged on one of the swing arms through a rotating shaft , the discharging top shaft is arranged on another swing arm, the discharging movable plug is arranged on the end of the discharging top shaft facing the discharging fixed plug through a bearing, and the ejecting cylinder is arranged on the other pendulum arm, and can drive the discharging top shaft to approach or move away from the discharging fixed top.

As an improvement of the present utility model, the unwinding brake device includes a brake disc and a brake caliper, the brake disc is arranged on the rotating shaft of the unwinding and pressing roller, and the position of the brake caliper corresponding to the brake disc is arranged on the machine on the shelf.

As an improvement of the present utility model, the rewinding brake device includes a brake disc and a brake caliper, the brake disc is arranged on the rotating shaft of the unwinding pressure roller, and the position of the brake caliper corresponding to the brake disc is arranged on the machine on the shelf.

As an improvement of the present utility model, the double-station rewinding mechanism includes a rewinding cylinder, a rewinding swing arm, a rewinding rotary rod, a turning frame, a positioning locking device and two sets of rewinding chucks. The rotating rod is arranged on the frame through the shaft seat, the middle part of the winding swing arm is fixed on the winding rotating rod, the winding cylinder is arranged on the frame, and the piston rod of the winding cylinder is connected to the The lower end of the winding swing arm is connected, the turning frame is arranged on the upper end of the winding swing arm through the rotating shaft, the positioning locking device is arranged on the turning frame, and can locate the rotation position of the turning frame, Two sets of winding chucks are symmetrically arranged on both sides of the turning frame.

As an improvement of the present invention, the rewinding chuck includes a rewinding fixed plug, a rewinding movable plug, a rewinding shaft and a spring, the rewinding fixed plug is arranged at one end of the turning frame through a rotating shaft, and the The other end of the turning frame is provided with a through hole, and one end of the winding top shaft passes through the through hole and is provided with a clamping head, the rolling movable top head is arranged on the other end of the top shaft through a bearing, and the spring is sleeved on the retracting shaft. on the rolling top shaft, and can push the rolling top shaft to move in the direction of the rolling fixed plug.

As an improvement of the present utility model, the positioning locking device includes a locking plate, a positioning cylinder and a positioning pin, the locking plate is arranged on the rewinding rotating rod, and the outer peripheral surface of the locking plate is symmetrical with the center of the circle. Two positioning holes, the positioning cylinder is provided on the frame corresponding to the position of the lock plate, the positioning pin is fixed on the piston rod of the positioning cylinder, and faces the outer peripheral surface of the lock plate.

As an improvement of the present utility model, it also includes an unwinding and traversing device, the unwinding and traversing device includes a mounting seat, an adjusting screw and a handle, and the mounting seat is arranged on the frame corresponding to the position of the winding lever. The end face of the rewinding rod is provided with a screw hole adapted to the adjustment screw, the adjustment screw is arranged on the mounting seat through the thrust bearing assembly, one end of the adjustment screw is screwed into the screw hole, and the other end is provided with the screw hole. described handle.

As an improvement of the present utility model, the drive device is a variable frequency motor.

The beneficial effects of the utility model are as follows: the structure design of the utility model is ingenious, and the unwinding mechanism is reasonably arranged at the tail of the frame, which can improve the safety in use; at the same time, the unwinding braking device and the winding braking device are provided, which can realize the fine adjustment of tension. Control the rewinding and unwinding, flexibly control the tension of the rewinding, effectively ensure that the rewinding is neat, suitable for a wide range of materials, high flexibility, meet the production requirements of different coil materials and work with low noise, in addition, the double-station rewinding mechanism adopts double-station It can effectively improve work efficiency, and is equipped with a positioning locking device, which can automatically achieve precise positioning when rotated in place. The operation is convenient and simple, which is conducive to wide popularization and application.

The present utility model will be further described below in conjunction with the accompanying drawings and embodiments.

Description of drawings

FIG. 1 is a schematic diagram 1 of the three-dimensional structure of the present invention.

FIG. 2 is a schematic diagram 2 of the three-dimensional structure of the present invention.

Figure 3 is a schematic diagram of the internal structure of the present invention.

Figure 4 is a schematic structural diagram of the unwinding mechanism in the present invention.

FIG. 5 is a schematic structural diagram of a double-station winding mechanism in the present invention.

FIG. 6 is a schematic structural diagram of the unwinding and traversing device in the present invention.

Detailed ways

1 to 5 , a new type of rewinding machine provided in this embodiment includes a frame 1, an unwinding mechanism 2, an unwinding pressure roller 3, a traction roller 4, an unwinding brake device 5, and a winding pressure roller 6. Rewinding brake device 7 , double-station rewinding mechanism 8 and driving device 9 .

The unwinding mechanism 2 , the traction roller 4 and the double-station winding mechanism 8 are arranged on the frame 1 in order from front to back. The unwinding mechanism 2 is reasonably arranged at the rear of the frame 1. After the mother roll is unloaded at one time, the unwinding mechanism can be unloaded for a long time. At the same time, the unwinding mechanism 2 is kept away from the aisle to improve the safety of use. The double-station rewinding mechanism 8 is located at the front of the frame 1, and can be operated directly on the front of the rewinder without the need for the operator to move around frequently.

The unwinding pressure roller 3 is arranged on the frame 1 corresponding to the position of the unwinding mechanism 2 , and the unwinding mechanism 2 includes an unwinding cylinder 21 , a driving rod 22 , an unwinding rotating rod 23 , and an unwinding swing arm 24 . and the discharging chuck 25, the discharging rotating rod 23 is set on the frame 1 through the bearing, the discharging cylinder 21 is set on the frame 1, and can drive the discharging rotating rod through the driving rod 22 23 is rotated, one end of the two unwinding swing arms 24 is fixed on the unwinding rotating rod 23, and the other end is provided with the unwinding chuck 25. Specifically, the discharging chuck 25 includes a discharging fixed plug, a discharging movable plug, a discharging top shaft and an ejecting cylinder, and the discharging fixed plug is arranged on one of the unwinding swing arms 24 through the rotating shaft, so The unwinding top shaft is arranged on another unwinding swing arm 24, the unwinding movable plug is arranged on one end of the unwinding top shaft toward the unwinding fixed plug through a bearing, and the ejecting cylinder is arranged on another side. on the swing arm, and can drive the discharging top shaft to approach or move away from the discharging fixed top. When the ejector cylinder is ejected, the movable plug of the discharge can be moved close to the fixed plug of the discharge to realize the positioning and clamping of the mother reel roller. When unwinding is required, the unwinding cylinder 21 is pushed out, and the swing arm is pushed to swing in the direction of the unwinding pressure roller 3, so that the unwinding pressure roller 3 is in contact with the mother roll. At this time, the mother roll is driven by the rotation of the unwinding pressure roller 3. The roll rotates to achieve the purpose of unwinding.

The unwinding brake device 5 is arranged on the frame 1 corresponding to the position of the unwinding pressure roller 3 , specifically. And can brake the unwinding pressure roller 3, the unwinding brake device 5 includes a brake disc 51 and a brake caliper 52, the brake disc 51 is arranged on the rotating shaft of the unwinding pressure roller 3, the brake The caliper 52 is disposed on the frame 1 corresponding to the position of the brake disc 51 . When the unwinding pressure roller 3 needs to be braked, the speed of the unwinding pressure roller 3 is controlled by controlling the opening and closing of the brake caliper 52 to cooperate with the brake disc 51, thereby realizing tension adjustment.

The winding pressure roller 6 is arranged on the frame 1 corresponding to the position of the double-station winding mechanism 8 . Specifically, the double-station rewinding mechanism 8 includes a rewinding cylinder 81, a rewinding swing arm 82, a rewinding rotary rod 83, a turning frame 84, a positioning locking device 85 and two sets of rewinding chucks 86. The winding rod 83 is arranged on the frame 1 through the axle seat, the middle part of the winding swing arm 82 is fixed on the winding rotation rod 83, the winding cylinder 81 is arranged on the frame 1, and the The piston rod of the winding cylinder 81 is connected with the lower end of the winding swing arm 82, the turning frame 84 is arranged on the upper end of the winding swing arm 82 through the rotating shaft, and the positioning locking device 85 is arranged on the turning frame 84, And the rotation position of the turning frame 84 can be positioned. Specifically, the positioning locking device 85 includes a locking plate 851, a positioning cylinder 852 and a positioning pin 853, the locking plate 851 is arranged on the winding rotating rod 83, and the outer peripheral surface of the locking plate 851 is arranged symmetrically around the center of the circle There are two positioning holes 8511 , the positioning cylinder 852 is set on the frame 1 corresponding to the position of the lock plate 851 , and the positioning pin 853 is fixed on the piston rod of the positioning cylinder 852 and faces the outer circumference of the lock plate 851 noodle.

Two sets of winding chucks 86 are symmetrically arranged on both sides of the turning frame 84 . The rewinding chuck 86 includes a rewinding fixed plug 861, a rewinding movable plug 862, a rewinding shaft 863 and a spring 864. The other end of 84 is provided with a through hole, one end of the winding top shaft 863 penetrates through the through hole and is provided with a chuck, the rolling movable top 862 is arranged on the other end of the top shaft through a bearing, and the spring 864 is sleeved On the winding top shaft 863 , it can push the winding top shaft 863 to move in the direction of the winding fixed plug 861 .

The rewinding brake device 7 is arranged on the frame 1 corresponding to the position of the rewinding pressure roller 6, and can brake the rewinding pressure roller 6. The rewinding brake device 7 includes a brake disc 71 and a brake The caliper 72 , the brake disc 71 is arranged on the rotating shaft of the unwinding and pressing roller 3 , and the brake caliper 72 is arranged on the frame 1 corresponding to the position of the brake disc 71 . When the rewinding roller 6 needs to be braked, the rotation speed of the rewinding roller 6 can be controlled by controlling the opening and closing of the brake caliper 72 to cooperate with the brake disc 71, thereby realizing tension adjustment.

The driving device 9 is arranged on the frame 1 and can drive the unwinding pressure roller 3 and the winding pressure roller 6 to rotate. The driving device 9 is preferably a frequency conversion motor, and the unwinding pressure roller 3 and the winding pressure roller 6 are linked to rotate through the pulley assembly 11 .

In this embodiment, in order to improve the flexibility of use, the rewinding machine of the present invention further includes an unwinding and traversing device 10. The unwinding and traversing device 10 includes an installation seat 101, an adjusting screw 102 and a handle 103. The installation The seat 101 is set on the frame 1 corresponding to the position of the rewinding lever 83 . The end face of the rewinding lever 83 is provided with a screw hole adapted to the adjusting screw 102 , and the adjusting screw 102 is set through the thrust bearing assembly 104 In the mounting seat 101 , one end of the adjusting screw 102 is screwed into the screw hole, and the other end is provided with the handle 103 . By twisting the handle 103 to drive the adjusting screw 102 to rotate, the left and right positions of the double-station winding mechanism 8 can be adjusted, and the flexibility is high.

During operation, the driving device 9 rotates in conjunction with the unwinding pressure roller 3 and the winding pressure roller 6 through the pulley assembly. When unwinding is required, the unwinding cylinder 21 is pushed out so that the unwinding pressure roller 3 is in contact with the parent roll, and the rotation of the unwinding pressure roller 3 drives the parent roll to rotate to achieve the purpose of unwinding. When it is necessary to rewind, the rewinding cylinder 81 is stretched out to push the rewinding swing arm 82 to drive the turning frame 84 to make the sub-roll contact the rewinding pressure roller 6, and the rotation of the rewinding pressure roller 6 drives the sub-roll to rotate, achieve the purpose of rolling. When the roll needs to be changed, the winding cylinder 81 pushes the winding swing arm 82 to drive the turning frame 84 to keep the sub-roll away from the winding pressure roller 6 through the retracting action. At this time, the positioning cylinder 852 retracts and pulls the positioning pin 853 to exit the positioning hole 8511. , at this time, the turning frame 84 can be rotated to achieve the purpose of changing the roll, and at the same time, the positioning cylinder 852 pushes the positioning pin 853 to press the outer peripheral surface of the lock plate 851. When the turning frame 84 is turned 180 degrees, the positioning pin 853 is just It can be slid into the positioning hole 8511 for positioning and locking to achieve the purpose of precise roll change. At this time, the winding cylinder 81 pushes the winding swing arm 82 to drive the turning frame 84 to make the other empty winding roller contact the winding pressure roller 6 by extending, and drives the empty winding roller to rotate through the rotation of the winding pressure roller 6. achieve the purpose of rolling. While winding, the sub-roll can be removed and replaced with a new empty roll, saving time and improving work efficiency.

Based on the disclosure and teaching of the above specification, those skilled in the art to which the present invention pertains can also make changes and modifications to the above-mentioned embodiments. Therefore, the present invention is not limited to the above-mentioned specific embodiments, and any obvious improvement, replacement or modification made by those skilled in the art on the basis of the present invention belongs to the protection scope of the present invention. In addition, although some specific terms are used in this specification, these terms are only for the convenience of description and do not constitute any restrictions on the present invention, and other devices obtained by adopting the same or similar structures are all within the protection scope of the present invention. .

Claims (10)

1. A novel rewinding machine comprises a frame and is characterized by also comprising an unwinding mechanism, an unwinding compression roller, a traction roller, an unwinding brake device, a winding compression roller, a winding brake device, a double-station winding mechanism and a driving device, the unwinding mechanism, the traction roller and the double-station winding mechanism are arranged on the frame in the order from front to back, the position of the unreeling press roller corresponding to the unreeling mechanism is arranged on the frame, the unreeling brake device is arranged on the frame corresponding to the position of the unreeling press roller, the unwinding compression roller can be braked, the position of the winding compression roller corresponding to the double-station winding mechanism is arranged on the frame, the position of the winding brake device corresponding to the winding compression roller is arranged on the frame, the winding compression roller can be braked, and the driving device is arranged on the rack and can drive the unwinding compression roller and the winding compression roller to rotate.

2. The novel rewinding machine as claimed in claim 1, wherein said unwinding mechanism comprises a feeding cylinder, a driving rod, a feeding rotating rod, a feeding swing arm and a feeding chuck, said feeding rotating rod is arranged on the frame through a bearing, said feeding cylinder is arranged on the frame and can drive said feeding rotating rod to rotate through said driving rod, one end of two feeding swing arms is fixed on said feeding rotating rod, and the other end is provided with said feeding chuck.

3. The novel rewinding machine as claimed in claim 2, wherein said feeding chuck includes a feeding fixed head, a feeding movable head, a feeding head shaft and an ejecting cylinder, said feeding fixed head is disposed on one of the swing arms through a rotating shaft, said feeding head shaft is disposed on the other swing arm, said feeding movable head is disposed on one end of the feeding head shaft facing said feeding fixed head through a bearing, said ejecting cylinder is disposed on the other swing arm and can drive said feeding head shaft to move toward or away from said feeding fixed head.

4. The novel rewinding machine as claimed in claim 1, wherein said unwinding brake device includes a brake disc and a pair of brake calipers, said brake disc is disposed on a rotating shaft of said unwinding roller, and said pair of brake calipers is disposed on the frame corresponding to the position of the brake disc.

5. The novel rewinding machine as claimed in claim 1, wherein said winding brake device includes a brake disc and a pair of brake calipers, said brake disc is disposed on the rotating shaft of said unwinding pressing roller, and said pair of brake calipers is disposed on the frame corresponding to the position of the brake disc.

6. The novel rewinding machine as claimed in claim 1, wherein the double-station winding mechanism comprises a winding cylinder, a winding swing arm, a winding rotating rod, a roll-over stand, a positioning and locking device and two sets of winding chucks, the winding rotating rod is arranged on the frame through a shaft seat, the middle part of the winding swing arm is fixed on the winding rotating rod, the winding cylinder is arranged on the frame, a piston rod of the winding cylinder is connected with the lower end of the winding swing arm, the roll-over stand is arranged at the upper end of the winding swing arm through a rotating shaft, the positioning and locking device is arranged on the roll-over stand and can position the rotating position of the roll-over stand, and the two sets of winding chucks are symmetrically arranged on two sides of the roll-over stand.

7. A novel rewinding machine as claimed in claim 6, characterized in that said winding chuck comprises a winding fixed top, a winding movable top, a winding top shaft and a spring, said winding fixed top is disposed at one end of the roll-over through a rotating shaft, said roll-over is disposed at the other end of the roll-over and provided with a through hole, one end of the winding top shaft penetrates through said through hole and provided with a chuck, said winding movable top is disposed at the other end of the top shaft through a bearing, said spring is sleeved on the winding top shaft and can push the winding top shaft to move in the direction of said winding fixed top.

8. The novel rewinding machine as claimed in claim 6, wherein said positioning and locking device comprises a locking disc, a positioning cylinder and a positioning pin, the locking disc is disposed on the winding rotary rod, two positioning holes are symmetrically disposed on the outer circumferential surface of the locking disc, the positioning cylinder is disposed on the frame at a position corresponding to the locking disc, and the positioning pin is fixed on the piston rod of the positioning cylinder and faces the outer circumferential surface of the locking disc.

9. The novel rewinding machine as claimed in claim 6, further comprising an unwinding traversing device, wherein the unwinding traversing device comprises a mounting seat, an adjusting screw and a handle, the mounting seat is arranged on the frame corresponding to the winding rotating rod, a screw hole matched with the adjusting screw is formed in the end face of the winding rotating rod, the adjusting screw is arranged on the mounting seat through a thrust bearing assembly, one end of the adjusting screw is screwed into the screw hole, and the other end of the adjusting screw is provided with the handle.

10. A new rewinding machine as claimed in any one of claims 1 to 9, characterized in that said driving means are variable frequency motors.

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