CN107804730A - A film rewinding device - Google Patents

Abstract

The invention discloses a film rewinding device which comprises a unwinding frame and a rewinding frame, wherein unwinding shafts are arranged in two symmetrically-arranged unwinding shaft supporting grooves, unwinding supporting rollers are sleeved on the unwinding shafts, each unwinding supporting roller comprises an unwinding supporting roller shell and an unwinding supporting roller inner coil, the middle position inside the unwinding supporting roller shell and the middle position outside the unwinding supporting roller inner coil are hinged and connected through a pressing connecting rod, linkage holes are formed in two ends of the unwinding supporting roller shell, and linkage bolts are screwed in the linkage holes. The device can be at the accurate location of axial unwinding backing roll, and the compression connecting rod supports and presses the inside wall at the film book in rotatory in-process, makes the film book and unwinding backing roll, unwinding shaft fastening linkage rotatory, and after the rewinding, through the effect of friction disc, the inertia rotation of eliminating the film book can not only make the winding that the film was compacted epaxial in the rewinding, has also improved the qualification rate and the production efficiency of product.

Description

A film rewinding device

Technical field:

The invention relates to the technical field of rewinding machines, in particular to a film rewinding device.

Background technique:

With the development of the economy and the adjustment of the rural industrial structure, the market demand for films from all walks of life in China continues to rise, and the production and processing of films includes the rewinding of film rolls.

The traditional rewinder needs to manually load the film roll on the equipment, but the film roll is prone to relative rolling on the support roller of the unwinder, and inertial rotation will also occur after rewinding. This will cause disadvantages such as poor operability, loose film rolls, and low production efficiency.

Invention content:

The object of the present invention is to provide a film rewinding device aiming at the deficiencies of the prior art.

The technical solutions of the present invention are as follows: a film rewinding device, which includes an unwinding frame and a rewinding frame, both of which are fixed on the horizontal ground, and are fixedly connected by connecting rods; The unwinding frame includes a horizontal seat, and the upper two sides of the horizontal seat are fixedly welded with vertical seats, and the horizontal seat and the vertical seat are strengthened and fixed by a reinforcing seat. There is an unwinding shaft support groove in the middle of the support seat, and the unwinding shaft is installed in two symmetrically arranged unwinding shaft support grooves. The middle part of the unwinding shaft is provided with a threaded part, and both ends of the unwinding shaft are equipped with unwinding support roller stoppers The side of one of the vertical seats is also fixedly welded with a deceleration support seat, and the linkage shaft is installed on the deceleration support base through the linkage shaft bearing. Connection, the linkage gear is fixedly installed on the linkage shaft rod, and the friction linkage support rod is also fixedly installed on the deceleration support seat. The friction linkage block is sleeved on the friction linkage support rod through the friction linkage block bearing. The friction linkage part includes the friction linkage gear and the friction linkage The linkage block, the friction linkage gear meshes with the linkage gear, the friction plate is installed on the friction linkage support rod, and abuts against the friction linkage block; the unwinding support roller is set on the unwinding shaft, and the unwinding support roller includes the unwinding support The roll shell and the inner coil tube of the unwinding support roller, the two ends of the unwinding support roll shell are installed on the unwinding shaft through the left unwinding support roll bearing and the right uncoiling support roll bearing, and the inner coil tube of the support roll is screwed in and installed on the unwinding shaft The threaded part of the unwinding support roller, the middle position inside the shell of the uncoiling support roller and the middle position outside the inner coil tube of the uncoiling support roller are hingedly connected by a compression link. There are linkage bolts.

The rewinding frame includes two oppositely arranged vertical plates, which are stably fixed by the first stabilizing rod, the second stabilizing rod and the third stabilizing rod, and the first stabilizing rods are installed on the two vertical plates through the transition rod bearings. The transition bar, the second transition bar and the third transition bar, the front end of the vertical plate is provided with a rewinding shaft support groove, the rewinding shaft is installed in two symmetrically arranged rewinding shaft support grooves, and the side of one of the vertical plates is also fixedly welded. The drive support seat, the synchronous shaft is installed on the drive support seat through the synchronous shaft bearing, the synchronous shaft includes a synchronous shaft and a synchronous pulley, the synchronous shaft is fixedly connected with the rewinding shaft through a synchronous pin, and the synchronous pulley is fixedly installed on the synchronous shaft , The lower part of the driving support seat is also provided with a driving device, and the driving device and the synchronous pulley are connected together through a transmission belt.

An ear plate is provided in the middle of the outer side of the inner coil tube of the uncoiling support roller, and a through groove is opened on the outer shell of the uncoiling support roller opposite to the ear plate, and a sliding pin is fixed inside the through groove; one end of the compression link is provided with a compression link Hinge hole, the other end is provided with the articulation groove of compression link, and the articulation hole of compression link is installed on the lug plate of unrolling support roller inner spiral pipe by rotating pin, and slide pin is installed in the articulation groove of compression link.

The axial rotation position of the friction plate and the friction linkage support rod is fixed, and the friction force between the friction plate and the friction linkage block can be adjusted through the friction plate limiter.

The two sides below the supporting groove of the unwinding shaft are provided with unwinding shaft support bearings for supporting the unwinding shaft.

Rewinding shaft support bearings for supporting the rewinding shaft are arranged on both sides below the rewinding shaft supporting groove.

The beneficial effects of the present invention are: the device can accurately position the unwinding support roller in the axial direction, and the compression connecting rod is pressed against the inner side wall of the film roll during the rotation process, so that the film roll is fastened to the unwinding support roller and the unwinding shaft. Linked rotation, after rewinding, through the function of the friction plate, the inertial rotation of the film roll is eliminated, not only can the film be tightly wound on the rewinding shaft, but also improve the qualified rate and production efficiency of the product.

Description of drawings:

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation after removing film roll of the present invention;

Fig. 3 is the partial structure schematic diagram of unwinding stand;

Fig. 4 is a structural sectional view of the unwinding support roller.

Detailed ways:

In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.

As shown in Figures 1-4, a film rewinding device includes an unwinding stand 1 and a rewinding stand 2, both of which are firmly on the horizontal ground, and are connected by a The rod 30 is fixedly connected; the unwinding frame 1 includes a horizontal seat 10, and both sides of the upper part of the horizontal seat 10 are fixedly welded with a vertical seat 11, and the horizontal seat 10 and the vertical seat 11 are strengthened and fixed by a reinforcing seat 12, and the vertical seat The top of 11 is fixedly welded with the unwinding shaft support seat 13, and the middle part of the unwinding scroll support base 13 is provided with an unrolling shaft support groove, and the unwinding shaft 5 is installed in two symmetrically arranged unwinding shaft support grooves, and the middle part of the unwinding shaft 5 is provided with a screw thread. Both ends of the unwinding shaft 5 are equipped with unwinding support roller stoppers; the side of one of the vertical seats 11 is also fixedly welded with a deceleration support seat 14, and the linkage shaft is installed on the deceleration support base 14 through the linkage shaft bearing , the linkage shaft includes a linkage shaft 150 and a linkage gear 15. The linkage shaft 150 is fixedly connected to the unwinding shaft 5 through a linkage pin. The support rod, the friction linkage block 16 is sleeved on the friction linkage support rod through the friction linkage block bearing, the friction linkage part 16 includes the friction linkage gear 162 and the friction linkage block 161, the friction linkage gear 162 meshes with the linkage gear 15, and the friction plate 17 Installed on the friction linkage support rod, and abuts against the friction linkage block 161; the unwinding support roller 4 is set on the unwinding shaft 5, and the unwinding support roller 4 includes the unwinding support roller shell 40 and the unwinding support roller inner coil 41. The two ends of the unwinding support roll shell 40 are installed on the unwinding shaft 5 through the left unwinding support roll bearing 401 and the right unwinding support roll bearing 402, and the support roll inner coil 41 is screwed into the threaded part installed on the unwinding shaft 5 , the inner middle position of the unwinding support roller shell 40 and the outer middle position of the unwinding support roller inner coil 41 are hingedly connected through the compression link 42, and the two ends of the unwinding support roller shell 40 are provided with linkage holes, and the linkage holes are screwed Interlock bolt 43 is housed.

The rewinding frame 2 comprises two oppositely arranged vertical plates 20, and the first stabilizing rod 231, the second stabilizing rod 232 and the third stabilizing rod 233 are used for stable positioning between the two vertical plates 20, and the two vertical plates 20 are also passed through The transition rod bearing is equipped with a first transition rod 241, a second transition rod 242 and a third transition rod 243. The front end of the vertical plate 20 is provided with a rewind shaft support groove, and the rewind shaft 25 is installed in two symmetrically arranged rewind shaft support grooves. , the side of one of the vertical plates 20 is also fixedly welded with a drive support seat 21, and the synchronous shaft is installed on the drive support seat 21 through a synchronous shaft bearing. The rewinding shaft 25 is fixedly connected, the synchronous pulley is fixedly installed on the synchronous shaft rod, and the bottom of the driving support seat 21 is also provided with a driving device 22, and the driving device 22 and the synchronous pulley are connected together by a transmission belt 220.

An ear plate is arranged at the middle position outside the inner coil tube 41 of the unwinding support roller, and a through groove is opened at a position opposite to the ear plate on the unwinding support roller shell 40, and a sliding pin is fixed inside the through groove; The hinged hole of the tight connecting rod, the other end is provided with the hinged groove of the pressed connecting rod, the hinged hole of the pressed connecting rod is installed on the ear plate of the inner coil tube 41 of the unwinding support roller through the rotating pin, and the sliding pin is installed on the hinged joint of the compressed connecting rod. in the slot.

The axial rotation position of the friction plate 17 and the friction linkage support rod is fixed, and the friction force between the friction plate 17 and the friction linkage block 161 can be adjusted by the friction plate limiter.

The lower two sides of the unwinding shaft support groove are provided with unwinding shaft support bearings 130 for supporting the unwinding shaft.

Rewinding shaft support bearings for supporting the rewinding shaft are arranged on both sides below the rewinding shaft supporting groove.

In the early stage of rewinding, install the unwinding support roller 4 on the unwinding shaft 5, and adjust the axial position of the support roll 4 on the unwinding shaft 5, and position the support roll shell 40 on the unwinding shaft through the unwinding support roller stopper. 5, the linkage bolt 43 does not interfere with the unwinding shaft 5 at this time, and the end of the pressing link 42 does not protrude from the outer side of the unwinding support roller shell 40; then the film roll A is set on the unwinding shaft 5 On the roll support roller 4, the film bypasses the first transition bar 241, the second transition bar 242, and the third transition bar 243 in turn, and finally winds on the rewinding shaft 25, and the driving device 22 is started. During its acceleration, the film pulls the film The reel rotates at an accelerated speed, and then drives the unwinding support roller 4 to rotate on the unwinding shaft 5. During the rotation of the unwinding support roller 4, the axial position of the unwinding support roller shell 40 relative to the unwinding shaft 5 remains unchanged, and the inner coil of the support roller 41 will produce a displacement on the unwinding shaft 5, so that the hinged compression link 42 protrudes from the outer side of the unwinding support roller shell 40, and presses against the inner side of the film roll A, so that the support roll 4 and the film roll A Tighter linkage; subsequent stop of the drive device 22, screw the linkage bolt 43 into the outer surface of the unwinding shaft 5, so that the unwinding support roller 4 and the unwinding shaft 5 are rotated in conjunction with each other, and the friction plate 17 Play a role, make the rewinding film more tightly wound on the rewinding shaft 25.

The examples are used to illustrate the present invention, but not to limit the present invention. Any person skilled in the art can modify the embodiments without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be listed in the claims of the present invention.

Claims (6)

1. A kind of film rewinding device, it is characterized in that: comprise unwinding stand (1) and rewinding stand (2), unwinding stand (1) and rewinding stand (2) are all firmly on the level ground, and two The unwinding frame (1) includes a horizontal seat (10), and both sides of the upper part of the horizontal seat (10) are fixedly welded with a vertical seat (11), and the horizontal seat (10) Between the vertical seat (11) and the reinforcement seat (12), it is strengthened and fixed, and the top of the vertical seat (11) is fixedly welded with an unwinding shaft support seat (13), and the middle part of the unwinding shaft support seat (13) is provided with an unwinding shaft support groove, the unwinding shaft (5) is installed in two symmetrically arranged unwinding shaft support grooves, the middle position of the unwinding shaft (5) is provided with a threaded part, and the two ends of the unwinding shaft (5) are provided with unwinding support roller limit device; the side of one of the vertical seats (11) is also fixedly welded with a deceleration support seat (14), and the linkage shaft is installed on the deceleration support base (14) through the linkage shaft bearing, and the linkage shaft includes a linkage shaft rod (150) and The linkage gear (15), the linkage shaft (150) is fixedly connected with the unwinding shaft (5) through the linkage pin, the linkage gear (15) is fixedly installed on the linkage shaft (150), and the deceleration support seat (14) is also fixedly installed There is a friction linkage support bar, the friction linkage block (16) is sleeved on the friction linkage support bar through the friction linkage block bearing, the friction linkage part (16) includes the friction linkage gear (162) and the friction linkage block (161), the friction linkage gear ( 162) meshes with the linkage gear (15), and the friction plate (17) is installed on the friction linkage support bar, and abuts with the friction linkage block (161); ), the unwinding support roll (4) includes the unwinding support roll shell (40) and the unwinding support roll inner coil (41), and the two ends of the unwinding support roll shell (40) pass through the left unwinding support roll bearing ( 401) and the right unwinding support roll bearing (402) are installed on the unwinding shaft (5), the support roll inner coil (41) is screwed into the threaded part installed on the unwinding shaft (5), and the unwinding support roll shell (40) The inner middle position and the outer middle position of the inner spiral tube (41) of the unwinding support roller are hingedly connected by a compression link (42). Both ends of the unwinding support roller shell (40) are provided with linkage holes, and the linkage holes are screwed into There are gang bolts (43). 2. A kind of film rewinding device according to claim 1, characterized in that: the rewinding frame (2) comprises two oppositely arranged vertical plates (20), and the first fixed plate is passed between the two vertical plates (20). Bar (231), the second stabilizing bar (232) and the 3rd stabilizing bar (233) are stably positioned, and the first transition bar (241), the second transition bar (241) and the second transition bar are also installed on the two vertical plates (20) through the transition bar bearings. Rod (242) and the third transition bar (243), the front end of vertical plate (20) is provided with rewinding shaft support groove, and rewinding shaft (25) is installed in two symmetrically arranged rewinding shaft support grooves, wherein one of vertical plate ( The side of 20) is also fixedly welded with a drive support seat (21), and the synchronous shaft is installed on the drive support seat (21) through a synchronous shaft bearing. The rewinding shaft (25) is fixedly connected, and the synchronous pulley is fixedly installed on the synchronous shaft rod, and the bottom of the drive support seat (21) is also provided with a driving device (22), and the driving device (22) and the synchronous pulley are passed through a transmission belt ( 220) are connected together. 3. A film rewinding device according to claim 1, characterized in that: an ear plate is provided at the middle position outside the inner spiral tube (41) of the unwinding support roller, and the ear plate is opposite to the shell (40) of the unwinding support roller A through slot is provided at the position of the through slot, and a sliding pin is fixed inside the slot; one end of the compression link (42) is provided with a compression link hinge hole, and the other end is provided with a compression link hinge groove, and the compression link hinge hole passes through Rotating pin is installed on the lug plate of unwinding support roller inner coiled pipe (41), and slide pin is installed in the hinged groove of compression link. 4. A film rewinding device according to claim 1, characterized in that: the axial rotation position of the friction plate (17) and the friction linkage support rod is fixed, and the contact between the friction plate (17) and the friction plate can be adjusted by the friction plate limiter. Frictional force between friction linkage blocks (161). 5 . The film rewinding device according to claim 1 , characterized in that: unwinding shaft support bearings ( 130 ) for supporting the unwinding shaft are arranged on both sides below the supporting groove of the unwinding shaft. 5 . 6. A film rewinding device according to claim 2, characterized in that: rewinding shaft support bearings for supporting the rewinding shaft are arranged on both sides below the supporting groove of the rewinding shaft.