CN214359209U - Large-diameter unwinding device - Google Patents

Abstract

The utility model relates to a major diameter unwinding device, including the support, unreel the frame, cloth spool and belt transport mechanism, the cloth spool rotates with unreeling the frame and is connected, unreels and to dismantle between frame and the support and be connected with the connecting plate, and two unreels the frame, the support all can be dismantled with the base and be connected, and the cloth spool is used for the support to the yardage roll, and belt transport mechanism is fixed to be set up on the support, and belt transport mechanism includes circulating reciprocating motion's belt, and the belt drives the yardage roll through the local laminating with the yardage roll and rotates to unreel the action. The utility model discloses a set up belt transport mechanism and utilize circulating reciprocating motion's belt to drive the yardage roll and rotate, utilize frictional force to drive the yardage roll and unreel, tensile stability has been guaranteed to this process. Through the common arrangement of the unreeling frame, the cloth roll shaft, the connecting plate and the base, the standard equipment of the slitting device and the finished product winding device which are also arranged on the slitting production line does not need to be adjusted, and the mandrel length adjusting device can be suitable for the requirements of different users on different mandrel lengths.

Description

Large-diameter unwinding device

Technical Field

The utility model relates to an unwinding device technical field especially relates to a major diameter unwinding device.

Background

Traditional unwinding mechanism utilizes motor drive to unreel the roller and unreel to the yardage roll, but when major diameter unreels because female book is bulky, drive difficulty when unreeling leads to unreeling the difficulty, can not satisfy its production demand to unreeling the in-process and changing along with the diameter and becoming littleer, be difficult to in time change and unreel speed, easily unreel in-process yardage material and take place the fold, tension is unstable, or the yardage roll unreels and causes the damage to the yardage roll surface at the excessive speed, influence product quality, the influence quality of unreeling.

Therefore, how to provide an unwinding device capable of keeping constant tension when unwinding a large diameter is a technical problem to be solved by those skilled in the art. In view of the above problems, the designer is actively making research and innovation based on the practical experience and professional knowledge that the product engineering is applied for many years, and cooperating with the application of the theory, so as to create a large-diameter unwinding device, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the unwinding device can keep constant tension when unwinding in a large diameter.

In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a major diameter unwinding device, includes the support, unreels frame, yardage roll axle and belt transport mechanism, still including the base, the yardage roll axle with it rotates to unreel the frame and connects, unreel the frame with can dismantle between the support and be connected with the connecting plate, two unreel the frame, the support all can dismantle with the base and be connected, the yardage roll axle is used for the support to the yardage roll, belt transport mechanism is fixed to be set up on the support, belt transport mechanism is including circulating reciprocating motion's belt, the belt drives through the local laminating with the yardage roll rotates to unreel the action.

Further, belt transport mechanism still includes first drive roll, second drive roll and first driven voller, triangle-shaped is constituteed to first drive roll, second drive roll and first driven voller, the belt is around locating in proper order end to end on first drive roll, the second drive roll and the third driven voller, first drive roll with the rotation direction of second drive roll is the same with the rotational speed, the belt via first drive roll with the second drive roll drives and carries out the motion that circulates to reciprocate.

Further, still include swing arm mechanism, swing arm mechanism includes swing arm fixing base, actuating mechanism and swing arm, support both ends fixedly connected with crossbeam, the swing arm fixing base is installed on the crossbeam, the swing arm with the swing arm seat rotates to be connected, the swing arm is along vertical direction swing.

Further, the swing arm includes first arm and second arm, first arm with second arm fixed connection, first arm with the second arm is preset the contained angle setting.

Further, the second driving roller is fixedly connected with the first arm, the first driven roller is fixedly connected with the second arm, and the second driving roller and the first driven roller are fixed on the same side of the swing arm mechanism.

Further, the first arm and the second arm are integrally formed.

Further, the number of the belt conveying mechanisms is two, and the two belt conveying mechanisms are respectively arranged on the left side and the right side of the swing arm mechanism.

Further, a motor is connected to one end of the first driving roller, a rotating shaft is rotatably connected to one side, close to the unreeling frame, of the cross beam, the first driving roller is sleeved on the rotating shaft, and one end of the rotating shaft is connected with an output shaft of the motor.

Further, a brake mechanism is arranged on the first driving roller.

Further, the driving mechanism cylinder is fixed on one side of the first arm far away from the unwinding frame, and pushes the swing arm mechanism to move towards the unwinding frame.

The utility model has the advantages that: the utility model discloses a belt that sets up belt transport mechanism and utilize cyclic reciprocating motion drives the yardage roll and rotates, unreels the in-process yardage roll diameter and more littleer, but the belt has part and yardage roll surface to laminate all the time, utilizes frictional force to drive the yardage roll and unreels, has guaranteed tensile stability, and this sets up the fold or the damage of effectively having avoided the cloth, has improved the product percent of pass, has reduced manufacturing cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the large-diameter unwinding device of the present invention during unwinding;

fig. 2 is a schematic view of an external structure of a large-diameter unwinding device in an embodiment of the present invention;

fig. 3 is a schematic structural view of a belt conveying mechanism in an embodiment of the present invention;

fig. 4 is a schematic structural view of a swing arm in the embodiment of the present invention;

fig. 5 is a schematic structural view of the swing arm mechanism in the embodiment of the present invention.

Reference numerals: the cloth rolling machine comprises a support 1, an unreeling frame 2, a cloth rolling shaft 11, a belt 31, a conveying mechanism 3, a belt 31, a first driving roller 32, a second driving roller 33, a first driven roller 34, a swing arm mechanism 4, a swing arm fixing seat 41, a driving mechanism 42, a swing arm 43, a first arm 431, a second arm 432, a motor 5, a brake mechanism 6, a cross beam 12, a rotating shaft 13, a connecting plate 7, a base 8 and an upright post 21.

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.

The large-diameter unwinding device comprises a support 1, an unwinding frame 2, a cloth winding shaft 11, a belt conveying mechanism 3 and a base 8, wherein the cloth winding shaft 11 is rotatably connected with the unwinding frame 2, the cloth winding shaft 11 is used for supporting a cloth roll, the belt conveying mechanism 3 is fixedly arranged on the support 1, the belt conveying mechanism 3 comprises a belt 31 in circulating reciprocating motion, and the belt 31 drives the cloth roll to rotate through local laminating with the cloth roll so as to perform unwinding action.

The utility model discloses a set up belt transport mechanism 3, the belt 31 through utilizing circulating reciprocating motion drives the yardage roll and rotates, and the rotational speed that only needs adjusting belt 31 carries out the regulation of frictional force, unreels in-process yardage roll diameter and diminishes, but belt 31 has part and yardage roll surface laminating all the time, has guaranteed that tension is stable, and this sets up the fold or the damage of effectively having avoided the cloth, has improved the product percent of pass, has reduced manufacturing cost.

Unreel and to dismantle between frame 2 and the support 1 and be connected with connecting plate 7, the one end of connecting plate 7 can be dismantled with support 1 and be connected, and the other end of connecting plate 7 can be dismantled with unreeling frame 2 and be connected. Unreel frame 2 includes two relative stands 21 that set up, and two stands 21 welded connection unreels frame 2 through two and supports cloth reel 11, and two unreel frame 2, support 1 all can dismantle with base 8 and be connected, and the setting through not unidimensional connecting plate 7 can unreel by the cloth reel 11 of the different diameters of adaptation, satisfies the differentiation demand of customer to the cloth reel.

Preferably, the belt conveying mechanism 3 further includes a first driving roller 32, a second driving roller 33 and a first driven roller 34, the first driving roller 32, the second driving roller 33 and the first driven roller 34 form a triangle, the belt 31 sequentially winds around the first driving roller 32, the second driving roller 33 and the third driven roller end to end, the rotation direction and the rotation speed of the first driving roller 32 and the second driving roller 33 are the same, and the belt 31 is driven by the first driving roller 32 and the second driving roller 33 to perform a circular reciprocating motion. As shown in fig. 2, the movement direction and the movement tendency of the contact points of the belt 31 with the first driving roller 32, the second driving roller 33 and the first driven roller 34 are different, the movement tendency of the first driving roller 32 is downward, the movement tendency of the second driving roller 33 is leftward, the movement tendency of the first driven roller 34 is upward, and the movement direction of the contact point of the first driving roller 32 with the belt 31 and the movement direction of the contact point of the second driving roller 33 with the belt 31 are acute angles. The three rollers are arranged, the triangular structure is formed, the space is larger, the belt 31 can be fully expanded, and the belt 31 is prevented from colliding with each other and rubbing to influence the constancy of tension in the process of circular reciprocating motion.

Preferably, the swing arm mechanism 4 is further included, the swing arm mechanism 4 includes a swing arm fixing seat 41, a driving mechanism 42 and a swing arm 43, a cross beam 12 is fixedly connected to two ends of the support 1, the swing arm fixing seat 41 is installed on the cross beam 12, the swing arm 43 is rotatably connected with the swing arm fixing seat 41, and the driving mechanism 42 drives the swing arm 43 to swing along the vertical direction. The swing arm 43 includes a first arm 431 and a second arm 432, the first arm 431 and the second arm 432 are fixedly connected, and the first arm 431 and the second arm 432 are arranged at a predetermined included angle. The second driving roller 33 is fixedly connected with the first arm 431, the first driven roller 34 is fixedly connected with the second arm 432, and the second driving roller 33 and the first driven roller 34 are fixed on the same side of the swing arm mechanism 4. The arrangement of the swing arm mechanism 4 can enable the belt transmission mechanism 3 to rotate along with the smaller diameter of the cloth roll, so that the belt 31 is ensured to be tightly attached to the cloth roll at any time, and the cloth roll is driven to be unreeled.

Preferably, the first arm 431 and the second arm 432 are integrally formed.

As a preferable example of the above embodiment, the two belt transfer mechanisms 3 are provided, and are respectively provided on the left and right sides of the swing arm mechanism 4. The contact area of the belt 31 can be increased by the arrangement of the two belt conveying mechanisms 3, so that the friction force between the belt 31 and the yardage roll is increased, the yardage roll is not easy to slip when being driven to rotate, and the working efficiency is increased.

Preferably, as for the above embodiment, one end of the first driving roller 32 is connected to the motor 5, one side of the cross beam 12 close to the unreeling rack 2 is rotatably connected to the rotating shaft 13, the first driving roller 32 is sleeved on the rotating shaft 13, and one end of the rotating shaft 13 is connected to an output shaft of the motor 5.

As a preferable example of the above embodiment, the first drive roller 32 is provided with a brake mechanism 6. The unwinding device can be stopped at any time in the unwinding process through the brake mechanism 6, the production stopping time is shortened, and the production efficiency is improved.

As a preference of the above embodiment, the driving mechanism 42 is fixed on a side of the first arm 431 away from the unwinding frame 2, and pushes the swing arm mechanism 4 to move toward the unwinding frame 2. In the embodiment, the driving mechanism 42 is a cylinder, and the cylinder is disposed on the first arm 431, and preferably, the cylinder is disposed at the joint of the first arm 431 and the second arm 432, so that the arm of force is increased, the rotary thrust is reduced, the cylinder power is reduced, the operation cost is reduced, and the precise control is easy to realize.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a major diameter unwinding device which characterized in that includes: support (1), unreel frame (2), yardage roll (11) and belt transport mechanism (3), still including base (8), yardage roll axle (11) with unreel frame (2) and rotate the connection, unreel frame (2) with can dismantle between support (1) and be connected with connecting plate (7), two unreel frame (2), support (1) all can dismantle with base (8) and be connected, yardage roll axle (11) are used for the support to the yardage roll, belt transport mechanism (3) are fixed to be set up on support (1), belt transport mechanism (3) are including circulating reciprocating motion's belt (31), belt (31) drive through the local laminating with the yardage roll rotates to unreel the action.

2. The large-diameter unwinding device of claim 1, wherein the belt conveying mechanism (3) further comprises a first driving roller (32), a second driving roller (33) and a first driven roller (34), the first driving roller (32), the second driving roller (33) and the first driven roller (34) form a triangle, the belt (31) is sequentially wound on the first driving roller (32), the second driving roller (33) and the third driven roller end to end, the rotating direction of the first driving roller (32) and the rotating direction of the second driving roller (33) are the same as the rotating speed, and the belt (31) is driven by the first driving roller (32) and the second driving roller (33) to perform a circular reciprocating motion.

3. The large-diameter unwinding device according to claim 2, further comprising a swing arm mechanism (4), wherein the swing arm mechanism (4) comprises a swing arm fixing seat (41), a driving mechanism (42) and a swing arm (43), a cross beam (12) is fixedly connected to two ends of the support (1), the swing arm fixing seat (41) is installed on the cross beam (12), the swing arm (43) is rotatably connected with the swing arm fixing seat (41), and the swing arm (43) swings in a vertical direction.

4. The large-diameter unwinding device according to claim 3, characterized in that the swing arm (43) comprises a first arm (431) and a second arm (432), the first arm (431) and the second arm (432) are fixedly connected, and the first arm (431) and the second arm (432) are arranged at a preset included angle.

5. The large-diameter unwinding device according to claim 4, wherein the second driving roller (33) is fixedly connected with the first arm (431), the first driven roller (34) is fixedly connected with the second arm (432), and the second driving roller (33) and the first driven roller (34) are fixed on the same side of the swing arm mechanism (4).

6. Large diameter unwinding device according to claim 4, characterised in that the first arm (431) is provided integrally with the second arm (432).

7. The large-diameter unwinding device of claim 5, wherein the number of the belt conveying mechanisms (3) is two, and the two belt conveying mechanisms are respectively arranged at the left side and the right side of the swing arm mechanism (4).

8. The large-diameter unwinding device of claim 3, wherein one end of the first driving roller (32) is connected with a motor (5), one side of the cross beam (12) close to the unwinding frame (2) is rotatably connected with a rotating shaft (13), the first driving roller (32) is sleeved on the rotating shaft (13), and one end of the rotating shaft (13) is connected with an output shaft of the motor (5).

9. Large diameter unwinding device according to claim 8, characterised in that a braking mechanism (6) is provided on the first drive roll (32).

10. Large diameter unwinding device according to claim 4, characterised in that the driving mechanism (42) is fixed on the side of the first arm (431) away from the unwinding frame (2), pushing the swing arm mechanism (4) towards the unwinding frame (2).

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