CN211470178U

CN211470178U - Unwinding mechanism of belt cutting machine

Info

Publication number: CN211470178U
Application number: CN201922416573.3U
Authority: CN
Inventors: 俞育新; 张俊昌
Original assignee: Nantong Huitong Plastic Machinery Co ltd
Current assignee: Nantong Huitong Plastic Machinery Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-11
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a belt cutting machine unwinding mechanism, including wallboard, bracing piece, backup pad, first cylinder, the second cylinder unreels the arm of force, and the axle that rises unreels, unreels the pinch roller, gear motor, the pinch roller clamp plate unreels the clamp plate back shaft, and the swing passes through the rod, takes the seat bearing, the family of swing, the oscillating axle, bracing piece beam slab, third cylinder and clamp plate, the utility model discloses a double unwinding mechanism, the blowing is effectual, and can prevent effectively through the pendulous device that too big or the tension undersize of tension leads to the material to take the skew or tear the condition in material area, and convenient operation has reduced the production loss and has improved production efficiency.

Description

Unwinding mechanism of belt cutting machine

Technical Field

The utility model relates to a blowing mechanical equipment field, more specifically the cut tape unit unwinding mechanism that says so.

Background

The unwinding mechanism of the existing belt cutting machine is generally a single-row belt cutting machine, an unwinding mother roll is rotated to be mostly driven to rotate, the tension of a garbage bag is easily overlarge in the running process of the machine, and the overlarge tension is not beneficial to rewinding forming and starting and stopping due to the fact that the material belt caused by the inertia of the mother roll is pulled back or the overlarge tension is generated.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a unwinding mechanism of a belt cutting machine, which comprises two wallboards, a supporting rod, a supporting plate, a first cylinder, a second cylinder, an unwinding force arm, an air expansion shaft, an unwinding pinch roller, a speed reducing motor, a pinch roller pressing plate, an unwinding pressure plate supporting shaft, a swinging transition roller, a belt seat bearing, a swinging frame, a swinging shaft, a supporting rod beam plate and a third cylinder, wherein the two wallboards are fixedly connected by the supporting rod, one end of each wallboard is fixedly connected with the two first cylinders by a rotating pin, the other end of each first cylinder is fixedly connected with the unwinding force arm, one end of the unwinding force arm is fixedly connected to the inner wall of each wallboard by the rotating bearing, one end of the unwinding force arm, which is far away from the rotating bearing, is fixedly provided with a U-shaped clamping groove, the air expansion shaft is arranged in the U-shaped clamping groove in, the transmission bearing is fixedly connected with a speed reducing motor, the transmission bearing and the speed reducing motor are fixedly arranged on a pinch roller pressing plate, the lower end surface of the pinch roller pressing plate is fixedly connected with a rotary connecting piece, the rotary connecting piece is fixedly connected with a second air cylinder, the other end of the second air cylinder is fixedly connected with a fixed shaft, the two ends of the fixed shaft are fixedly arranged on the inner wall between the wallboards, one end of the pinch roller pressing plate far away from the speed reducing motor is fixedly connected on the inner wall of the wallboard by using an unreeling pressing plate supporting shaft, one end of the wallboard far away from the unreeling force arm is fixedly provided with a supporting plate, a belt seat bearing is fixedly arranged on the supporting plate, a swinging shaft is fixedly connected on the belt seat bearing and is fixedly connected with a swinging frame, a swinging transition roller is fixedly arranged on the swinging frame, a, this bracing piece beam slab fixed mounting has the third cylinder between the wallboard inner wall on this bracing piece beam slab fixed mounting, and this third cylinder passes bracing piece beam slab fixedly connected with clamp plate, and terminal surface sliding connection has the second to pass the roller under this clamp plate.

Furthermore, the transition rollers are arranged in a plurality, and are fixed between the wall plates in a ladder shape from high to low from the unreeling force arm to the swing frame.

Furthermore, a third transition roller is arranged right below the unreeling force arm and fixedly installed between the inner walls of the wallboards.

Furthermore, the number of the swing transition rollers arranged on the swing frame is one group less than that of the transition rollers.

Furthermore, the unreeling pinch roller, the air expansion shaft, the transition roller, the swing transition roller, the second transition roller and the third transition roller are all a group consisting of two same rollers on the same central shaft.

The utility model provides a cut tape unit unwinding mechanism possesses following beneficial effect:

the utility model discloses a double unwinding mechanism, the blowing is effectual, and can prevent effectively through pendulous device that too big or tension undersize leads to the material to take the skew or tear the condition in material area, convenient operation has reduced the production loss and has improved production efficiency.

Drawings

Fig. 1 is a perspective view of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: an unwinding mechanism of a belt cutting machine comprises wall boards 1, supporting rods 2, supporting plates 3, first air cylinders 4, second air cylinders 5, unwinding force arms 6, air expansion shafts 7, unwinding pinch rollers 10, a speed reducing motor 11, pinch roller pressing plates 12, unwinding press plate supporting shafts 13, swinging transition rollers 15, belt seat bearings 17, a swinging frame 18, a swinging shaft 19, a supporting rod beam plate 20 and third air cylinders 21, wherein the number of the wall boards 1 is two, the two wall boards 1 are fixedly connected through the supporting rods 2, one ends of the wall boards 1 are fixedly connected with the two first air cylinders 4 through rotating pins, the other ends of the first air cylinders 4 are fixedly connected with the unwinding force arms 6, one ends of the unwinding force arms 6, far away from the rotating bearings, are fixedly connected to the inner walls of the wall boards 1 through the rotating bearings, U-shaped clamping grooves 8 are fixedly formed in the ends of the unwinding force arms 6, the air expansion shafts 7 are slidably mounted in the U-shaped clamping grooves, the unreeling pinch roller 10 is fixedly connected with a transmission bearing 9 through a bearing, the transmission bearing 9 is fixedly connected with a speed reducing motor 11, the transmission bearing 9 and the speed reducing motor 11 are fixedly arranged on a pinch roller press plate 12, the lower end surface of the pinch roller press plate 12 is fixedly connected with a rotary connecting piece 24, the rotary connecting piece 24 is fixedly connected with a second air cylinder 5, the other end of the second air cylinder 5 is fixedly connected with a fixed shaft, two ends of the fixed shaft are fixedly arranged on the inner wall between the wall plates 1, one end of the pinch roller press plate 12 far away from the speed reducing motor 11 is fixedly connected on the inner wall of the wall plate 1 through an unreeling press plate supporting shaft 13, one end of the wall plate 1 far away from an unreeling force arm 6 is fixedly provided with a supporting plate 3, a belt seat bearing 17 is fixedly arranged on the supporting plate 3, a swing shaft 19 is fixedly connected on the belt seat, this swing transition roller 15 top is equipped with transition roller 16 fixed mounting between 1 inner wall of wallboard, and this backup pad 3 top is equipped with bracing piece beam slab 20, and this bracing piece beam slab 20 fixed mounting has third cylinder 21 on this bracing piece beam slab 20 between 1 inner wall of wallboard, and this third cylinder 21 passes bracing piece beam slab 20 fixedly connected with clamp plate, and terminal surface sliding connection has second transition roller 23 under this clamp plate.

The transition rollers 16 are provided with a plurality of transition rollers 16, and the transition rollers 16 are fixed between the wall boards 1 in a ladder shape from high to low from the unreeling force arm 6 to the swing frame.

A third transition roller 14 is arranged under the unreeling force arm 6, and the third transition roller 14 is fixedly installed between the inner walls of the wall boards 1.

The number of the swing transition rollers 15 arranged on the swing frame 18 is one group less than that of the transition rollers 16.

The unreeling pinch roller 10, the air expansion shaft 7, the transition roller 16, the swing transition roller 15, the second transition roller 23 and the third transition roller 14 are all a group consisting of two same rollers on the same central shaft.

It should be noted that: unreel the arm of force and do the rotation of certain angle around the rotation axis bearing through axle sleeve and the first cylinder of bearing accessible, unreel the pinch roller and assemble and drive the rotation by gear motor on gear motor, gear motor fixes on the pinch roller clamp plate and through the bearing in order to drive the swing by the second cylinder, the utility model discloses a manual control cylinder action makes the inflatable shaft unreel the subassembly and descends to suitable position respectively, later control cylinder action makes and unreels the pinch roller subassembly and rise to extreme position, later take off the inflatable shaft and pass the paper tube in the middle of the female book and make the female suitable position of rolling up in the centre, then promote the female book and let the bearing at inflatable shaft both ends unreel the U type draw-in groove top of the arm of force, later manual control back pull action drive inflatable shaft unreel the subassembly make inflatable shaft and female book just in time place the recess and lift off, at last inflate the inflatable shaft and make the inflatable shaft rise the female book. And then, penetrating the die, and controlling the cylinder to act after the die penetrating so that the unreeling pinch roller assembly is naturally pressed onto the mother roll by gravity. And finally, the machine can be started to operate, when the machine operates, the motor drives the mother roll to rotate through the unwinding pinch roller according to a certain rotating speed, the material belt is driven by other mechanisms connected with the machine to move forwards intermittently, and the pressing assembly moves back and forth at a certain frequency. When the pressing assembly presses the material belt, the mother roll does not stop running, at the moment, the transition roller and the connected components enable the material belt to be continuously tensioned under the action of self gravity, and other mechanisms behind the machine also stop pulling the material belt. When the pressing component rises to not press the material belt, other mechanisms behind the machine pull the material belt to move forwards, and at the moment, the transition roller and the connected components are lifted and tensioned to a certain degree under the action of tension. Along with the continuous reciprocating motion of the pressing mechanism, the transition roller and the connected components also swing to a certain degree, and the mechanism plays a role in buffering and tensioning.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a cut tape unit unwinding mechanism, includes wallboard (1), bracing piece (2), backup pad (3), first cylinder (4), second cylinder (5), unreel the arm of force (6), inflatable shaft (7), unreel pinch roller (10), gear motor (11), pinch roller clamp plate (12), unreel clamp plate back shaft (13), swing transition roller (15), area seat bearing (17), swing span (18), swing axle (19), bracing piece beam slab (20) and third cylinder (21), its characterized in that: the wall plate comprises two wall plates (1), wherein the two wall plates (1) are fixedly connected through a support rod (2), one end of each wall plate (1) is fixedly connected with two first cylinders (4) through a rotary pin, the other end of each first cylinder (4) is fixedly connected with an unreeling force arm (6), one end of each unreeling force arm (6) is fixedly connected to the inner wall of each wall plate (1) through a rotary bearing, one end, far away from the rotary bearing, of each unreeling force arm (6) is fixedly provided with a U-shaped clamping groove (8), an air expansion shaft (7) is slidably arranged in each U-shaped clamping groove (8), an unreeling pinch roller (10) is arranged above each air expansion shaft (7), each unreeling pinch roller (10) is fixedly connected with a transmission bearing (9) through a bearing, each transmission bearing (9) is fixedly connected with a speed reducing motor (11), and the transmission bearings (9) and, the lower end face of the pinch roller pressing plate (12) is fixedly connected with a rotary connecting piece (24), the rotary connecting piece (24) is fixedly connected with a second air cylinder (5), the other end of the second air cylinder (5) is fixedly connected with a fixed shaft, the two ends of the fixed shaft are fixedly arranged on the inner wall between the wall plates (1), one end of the pinch roller pressing plate (12), which is far away from the speed reduction motor (11), is fixedly connected on the inner wall of the wall plate (1) by using an unreeling pressing plate supporting shaft (13), one end of the wall plate (1), which is far away from the unreeling force arm (6), is fixedly provided with a supporting plate (3), a belt seat bearing (17) is fixedly arranged on the supporting plate (3), a swing shaft (19) is fixedly connected on the belt seat bearing (17), the swing shaft (19) is fixedly connected with a swing frame (18), a swing transition roller (15) is fixedly arranged on the swing frame (18), a transition roller (16, supporting rod beam slab (20) is equipped with above this backup pad (3), and this supporting rod beam slab (20) fixed mounting has third cylinder (21) between wallboard (1) inner wall on this supporting rod beam slab (20), and this third cylinder (21) passes supporting rod beam slab (20) fixedly connected with clamp plate, and terminal surface sliding connection has second transition roller (23) under this clamp plate.

2. The unwinding mechanism of the belt cutting machine as claimed in claim 1, characterized in that: the transition rollers (16) are provided with a plurality of transition rollers, and the transition rollers (16) are fixed between the wall plates (1) in a ladder shape from high to low from the unreeling force arm (6) to the swinging frame.

3. The unwinding mechanism of the belt cutting machine as claimed in claim 1, characterized in that: a third transition roller (14) is arranged under the unreeling force arm (6), and the third transition roller (14) is fixedly installed between the inner walls of the wall boards (1).

4. The unwinding mechanism of the belt cutting machine as claimed in claim 1, characterized in that: the number of the swing transition rollers (15) arranged on the swing frame (18) is one group less than that of the transition rollers (16).

5. The unwinding mechanism of the belt cutting machine as claimed in claim 1, characterized in that: unreel pinch roller (10), inflatable shaft (7), transition roller (16), swing transition roller (15), second transition roller (23) and third transition roller (14) all are a set of by two the same constitutions on same center pin.