CN220596537U - Tensioning mechanism for winding polymer film - Google Patents

Abstract

The utility model provides a tensioning mechanism for rolling a polymer film, belongs to the technical field of rolling of polymer films, and solves the problem that a tensioning roller on the existing tensioning mechanism is inconvenient to replace. This straining device is used in polymer membrane rolling, which comprises a frame, the equal fixedly connected with mounting bracket in both ends at frame top, it is connected with the guide roll to rotate through the pivot on the mounting bracket, T type hole has all been seted up to the front side at frame top and rear side, sliding connection has H type slide in the T type hole, the bottom fixedly connected with lifter plate of H type slide, be provided with elevating system on the lifter plate, the bottom fixedly connected with support of frame, fixedly connected with motor on the support, the output axle head of motor passes through gear assembly and elevating system is connected, the top fixedly connected with slide rail of H type slide, the equal fixedly connected with baffle of front end and rear end of slide rail, sliding connection has two type of falling T sliders on the slide rail. The utility model realizes the maintenance and replacement of the tensioning roller.

Description

Tensioning mechanism for winding polymer film

Technical Field

The utility model belongs to the technical field of polymer film winding, and relates to a tensioning mechanism, in particular to a tensioning mechanism for winding a polymer film.

Background

A film is made of organic high molecular polymer. With the development of petroleum industry and science and technology, the application field of the polymer film is continuously expanded, and the intelligent polymer film, the polymer functional film and the like are developed from the initial packaging film. Wherein the maximum amount is selective separation membrane such as ion exchange membrane, microporous filtration membrane, ultrafiltration membrane, liquid crystal membrane, etc.

Through searching, for example, chinese patent literature discloses a tensioning adjustment mechanism for KPET film winding [ application number: 202220445146.7; publication No.: CN 216971490U ]. This kind of tensioning adjustment mechanism includes the mounting bracket, the up end of mounting bracket is all rotated and is installed the guide roll about, the up end of mounting bracket is all provided with the lifter plate about, the up end of lifter plate rotates and installs the tensioning roller, the through-hole has been seted up to the up end of mounting bracket and the below that is located the tensioning roller, the bottom surface middle part fixedly connected with threaded rod of lifter plate, when receiving, is connected with the rolling machine after bypassing left side guide roll, the tensioning roller of controlling the side, right side guide roll in proper order with the KPET membrane, when the rate of tension of adjusting the membrane roll, rotates the hand wheel, will drive the rotation cover of controlling the side when the hand wheel rotates and rotate in opposite rotation, will drive the screw thread piece when rotating, because the threaded rod screw thread wears to establish on the screw thread piece, and then the tensioning roller of controlling the side will move to realize adjusting the rate of tension of membrane roll.

The utility model discloses a rotation cover on the side will drive about when the hand wheel rotates and rotate in opposite directions, will drive the screw thread piece and rotate when rotating the cover, because the threaded rod screw thread wears to establish on the screw thread piece, and then the tensioning roller on the side is relative motion about when the hand wheel rotates, realizes adjusting the rate of tension of membrane book, but, this tensioning roller is direct to rotate with the lifter plate and is connected together, can not dismantle, is inconvenient for changing the maintenance to the tensioning roller.

Disclosure of Invention

The utility model aims to solve the problems in the prior art, and provides a tensioning mechanism for rolling a polymer film, which aims to solve the technical problems that: the maintenance and the replacement of the tensioning roller are realized.

The aim of the utility model can be achieved by the following technical scheme:

the utility model provides a tensioning mechanism for polymer membrane rolling, includes the frame, the equal fixedly connected with mounting bracket in both ends at frame top, be connected with the guide roll through the pivot rotation on the mounting bracket, T type hole has all been seted up to the front side at frame top and rear side, sliding connection has H type slide in the T type hole, the bottom fixedly connected with lifter plate of H type slide, be provided with elevating system on the lifter plate, the bottom fixedly connected with support of frame, fixedly connected with motor on the support, the output axle head of motor passes through gear assembly and elevating system connection, the top fixedly connected with slide rail of H type slide, the equal fixedly connected with baffle of front end and rear end of slide rail, sliding connection has two type slides of falling T on the slide rail, two be provided with adjustment mechanism between the type slide of falling T, two the equal fixedly connected with mounting panel in top of type slide, two rotate between the mounting panel and be connected with tensioning roller.

The working principle of the utility model is as follows: the high polymer film sequentially passes through a left guide roller, a left tensioning roller, a right tensioning roller and a right guide roller from left to right, then the high polymer film is fixed on a winding machine, the tensioning force is adjusted according to the winding speed of the winding machine, a driving motor drives a gear assembly to drive, a lifting mechanism is driven to rotate, and lifting plates on the left side and the right side are driven to move up and down in opposite directions, so that the tensioning roller is driven to move to a position which is not at the same horizontal height by H-shaped sliding plates on the left side and the right side, the tensioning of the high polymer film is completed, the winding process of the high polymer film is prevented from wrinkling, and the guarantee is provided for the winding operation of the high polymer film; when the tensioning roller is replaced, the tensioning roller is arranged between the two mounting plates, and the tensioning roller is clamped through the adjusting mechanism, so that the tensioning roller can be mounted; through the principle, the tensioning roller is quickly installed and detached, is convenient to maintain and replace, is convenient to operate, and reduces the operation difficulty of technicians.

The lifting mechanism comprises a threaded rod and a threaded sleeve, a round hole is formed in the lifting plate, the threaded sleeve is fixedly connected in the round hole, the threaded rod is connected in the threaded sleeve in a threaded manner, and the top end of the threaded rod is fixed with the frame through a bearing.

By adopting the structure, the threaded rod drives the lifting plate to move up and down through the threaded sleeve, so that the tensioning rollers are driven to move up and down through the H-shaped sliding plate, the two tensioning rollers are not at the same horizontal height, and the tensioning force is adjusted for winding the polymer film.

The gear assembly comprises a driving gear and a driven gear, the driving gear is fixedly connected with the output shaft end of the motor, the driven gear is fixedly connected with the threaded rod, and the driving gear is meshed with the driven gear.

By adopting the structure, the motor drives the driving gear to rotate, the driving gear drives the two driven gears to rotate, so that the two threaded rods can be driven to rotate, and further the two lifting plates are driven to move up and down respectively, the heights of the two tensioning rollers are adjusted, and the adjustment of tensioning force is completed.

The adjusting mechanism comprises a rack, one end of the rack is fixedly connected with the inverted T-shaped sliding block, the rack is in sliding connection with the sliding rail, a steering engine is fixedly connected to the bottom of the sliding rail, an adjusting gear is fixedly connected to the output shaft end of the steering engine, and the adjusting gear is meshed with the rack.

By adopting the structure, the steering engine drives the adjusting gear to rotate, and the adjusting gear drives the two racks to move backwards and forwards, so that the inverted T-shaped sliding block is driven to move on the sliding rail, and further the two mounting plates are driven to move in opposite directions, so that the tensioning roller is clamped and fixed.

The mounting plate is rotationally connected with a positioning shaft, the periphery of the positioning shaft is fixedly connected with a positioning block, the positioning shaft is fixedly connected with a supporting cylinder, the front end of the inner wall of the supporting cylinder is in a conical surface structure, the front end and the rear end of the tensioning roller are provided with positioning holes, the positioning shaft is inserted into the positioning holes, clamping grooves are formed in the periphery of the positioning holes, and the positioning blocks are inserted into the clamping grooves.

By adopting the structure, when the tensioning roller is replaced, one end of the tensioning roller is inserted into the supporting cylinder, a certain supporting effect can be achieved on the tensioning roller, the positioning shaft is arranged in the positioning hole, the positioning block is inserted into the clamping groove to play a role in clamping, and the tensioning roller is prevented from rotating relative to the positioning shaft in the rotation process.

The long plates are fixedly connected to the two ends of the bottom of the frame, and a plurality of mounting holes are uniformly formed in the long plates.

By adopting the structure, the frame is fixed at the corresponding position of the winding machine by using the bolts to pass through the mounting holes.

Compared with the prior art, the tensioning mechanism for winding the polymer film has the following advantages:

1. the high polymer film sequentially passes through a left guide roller, a left tensioning roller, a right tensioning roller and a right guide roller from left to right, then the high polymer film is fixed on a winding machine, the tensioning force is adjusted according to the winding speed of the winding machine, a driving motor drives a gear assembly to drive, a lifting mechanism is driven to rotate, and lifting plates on the left side and the right side are driven to move up and down in opposite directions, so that the tensioning roller is driven to move to a position which is not at the same horizontal height by H-shaped sliding plates on the left side and the right side, the tensioning of the high polymer film is completed, the winding process of the high polymer film is prevented from wrinkling, and the guarantee is provided for the winding operation of the high polymer film; when the tensioning roller is replaced, the tensioning roller is arranged between the two mounting plates, and the tensioning roller is clamped through the adjusting mechanism, so that the tensioning roller can be mounted; through the principle, the tensioning roller is quickly installed and detached, is convenient to maintain and replace, is convenient to operate, and reduces the operation difficulty of technicians.

2. When changing the tensioning roller, insert the support section of thick bamboo with the one end of tensioning roller earlier in, can play certain supporting role to the tensioning roller, the locating shaft is installed in the locating hole, and the locating piece is pegged graft and is played the effect of screens in the draw-in groove, avoids the tensioning roller to take place relative rotation with the locating shaft at the rotation in-process.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a front cross-sectional view of the present utility model.

Fig. 3 is a schematic structural view of the adjusting mechanism in the present utility model.

Fig. 4 is a schematic view of the structure of the frame in the present utility model.

FIG. 5 is a schematic view of the structure of the H-shaped skateboard of the present utility model.

Fig. 6 is a schematic structural view of a sliding rail in the present utility model.

Fig. 7 is a schematic view of the structure of the present utility model in an operating state.

In the figure, 1, a rack; 2. a mounting frame; 3. a guide roller; 4. an H-shaped sliding plate; 41. a T-shaped hole; 5. a lifting plate; 6. a thread sleeve; 7. a threaded rod; 8. a bracket; 9. a motor; 10. a drive gear; 101. a driven gear; 11. a slide rail; 12. a baffle; 13. an inverted T-shaped sliding block; 14. a mounting plate; 141. positioning a shaft; 142. a positioning block; 143. a support cylinder; 15. a rack; 16. steering engine; 17. an adjusting gear; 18. a tension roller; 19. a mounting hole; 20. a polymer film.

Detailed Description

The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.

As shown in fig. 1-7, the tensioning mechanism for winding the polymer film comprises a frame 1, wherein two ends of the top of the frame 1 are fixedly connected with a mounting frame 2, the mounting frame 2 is rotatably connected with a guide roller 3 through a rotating shaft, the front side and the rear side of the top of the frame 1 are respectively provided with a T-shaped hole 41, the T-shaped holes 41 are internally and slidably connected with an H-shaped sliding plate 4, the bottom end of the H-shaped sliding plate 4 is fixedly connected with a lifting plate 5, the lifting plate 5 is provided with a lifting mechanism, the bottom of the frame 1 is fixedly connected with a bracket 8, the bracket 8 is fixedly connected with a motor 9, the output shaft end of the motor 9 is connected with the lifting mechanism through a gear assembly, the top end of the H-shaped sliding plate 4 is fixedly connected with a sliding rail 11, the front end and the rear end of the sliding rail 11 are fixedly connected with a baffle 12, the sliding rail 11 is provided with an adjusting mechanism, the front end and the rear end of the adjusting mechanism are respectively provided with a mounting plate 14, in the embodiment, the polymer film 20 sequentially passes through the left guide roller 3, the left guide roller 18, the right guide roller 3, the right guide roller 18 and the left guide roller 18 from left to right, then the polymer film 20 is fixed on a winding machine, the tension is adjusted according to the winding speed of the winding machine, the driving motor 9 drives the gear assembly to drive, the lifting mechanism to rotate and then drives the lifting plates 5 on the left side and the right side to move up and down in opposite directions, so that the tensioning roller 18 is driven to move to a position which is not at the same horizontal height by the H-shaped sliding plates 4 on the left side and the right side, the tensioning of the polymer film 20 is completed, the winding process of the polymer film 20 is prevented from being wrinkled, and the winding operation of the polymer film 20 is ensured; when the tensioning roller 18 is replaced, the tensioning roller 18 is arranged between the two mounting plates 14, and the tensioning roller 18 is clamped by the adjusting mechanism, so that the tensioning roller 18 can be arranged; through the principle, the tensioning roller is quickly installed and detached, is convenient to maintain and replace, is convenient to operate, and reduces the operation difficulty of technicians.

The elevating system includes threaded rod 7 and thread bush 6, has seted up the round hole on the lifter plate 5, fixedly connected with thread bush 6 in the round hole, and thread bush 6 internal thread is connected with threaded rod 7, and the top and the frame 1 of threaded rod 7 pass through the bearing to be fixed, in this embodiment, threaded rod 7 passes through thread bush 6 and drives lifter plate 5 and reciprocate to drive tensioning roller 18 through H type slide 4 and reciprocate, make two tensioning rollers 18 not be in same level, and then carry out the regulation of tensioning dynamics to the rolling of polymer membrane 20.

The gear assembly comprises a driving gear 10 and a driven gear 101, the driving gear 10 is fixedly connected with the output shaft end of the motor 9, the driven gear 101 is fixedly connected with the threaded rod 7, the driving gear 10 is meshed with the driven gear 101, in the embodiment, the motor 9 drives the driving gear 10 to rotate, the driving gear 10 drives the two driven gears 101 to rotate, threads of the two threaded rods 6 rotate oppositely, and accordingly the two threaded rods 7 can be driven to lift along opposite directions when rotating in the same direction, and further the two lifting plates 5 are driven to move up and down respectively, the heights of the two tensioning rollers 18 are adjusted, and adjustment of tensioning force is completed.

The adjustment mechanism includes rack 15, rack 15's one end and the type of falling T slider 13 fixed connection, rack 15 and slide rail 11 sliding connection, the bottom fixedly connected with steering wheel 16 of slide rail 11, steering wheel 16's output axle head fixedly connected with adjusting gear 17, adjusting gear 17 and rack 15 meshing, in this embodiment, steering wheel 16 drive adjusting gear 17 rotates, adjusting gear 17 drives two racks 15 and carries out reverse back-and-forth movement to drive type of falling T slider 13 and remove on slide rail 11, and then drive two mounting panels 14 and remove in opposite directions, press from both sides tight fixedly to tensioning roller 18.

The locating shaft 141 is rotationally connected to the mounting plate 14, the locating block 142 is fixedly connected to the periphery of the locating shaft 141, the supporting cylinder 143 is fixedly connected to the locating shaft 141, the front end of the inner wall of the supporting cylinder 143 is of a conical surface structure, locating holes are formed in the front end and the rear end of the tensioning roller 18, the locating shaft 141 is spliced with the locating holes, clamping grooves are formed in the periphery of the locating holes, the locating block 142 is spliced with the clamping grooves, in the embodiment, when the tensioning roller 18 is replaced, one end of the tensioning roller 18 is inserted into the supporting cylinder 143, a certain supporting effect can be achieved on the tensioning roller 18, a technician is not required to always support the tensioning roller 18 for mounting, the locating shaft 141 is mounted in the locating holes, the locating block 142 is spliced in the clamping grooves to achieve the effect of clamping, and relative rotation between the tensioning roller 18 and the locating shaft 141 in the rotating process is avoided.

Both ends of the bottom of the stand 1 are fixedly connected with long plates, and a plurality of mounting holes 19 are uniformly formed in the long plates, in this embodiment, bolts are used to pass through the mounting holes 19 to fix the stand 1 at corresponding positions of the winding machine.

The working principle of the utility model is that bolts are used to pass through mounting holes 19 to fix a frame 1 at the corresponding position of a winding machine, then a polymer film 20 sequentially passes through a left guide roller 3, a left tensioning roller 18 and a right guide roller 3 from left to right, then the polymer film 20 is fixed on the winding machine, the tensioning force is regulated according to the winding speed of the winding machine, a motor 9 drives a driving gear 10 to rotate, the driving gear 10 drives two driven gears 101 to rotate, the screw threads of two threaded rods 6 are opposite in rotation direction, so that the two threaded rods 7 can be driven to lift along opposite directions when rotating in the same direction, and further the two lifting plates 5 are driven to move up and down respectively, thereby driving the tensioning roller 18 to be not at the same horizontal height through H-shaped sliding plates 4 on the left side and the right side to complete tensioning of the polymer film 20, preventing the winding process from wrinkling, and guaranteeing the winding operation of the polymer film 20; when the tensioning roller 18 is replaced, one end of the tensioning roller 18 is inserted into the supporting cylinder 143, a certain supporting effect can be achieved on the tensioning roller 18, the positioning shaft 141 is installed in the positioning hole, the positioning block 142 is inserted into the clamping groove to achieve the clamping effect, the tensioning roller 18 is prevented from rotating relative to the positioning shaft 141 in the rotating process, the steering engine 16 drives the adjusting gear 17 to rotate, the adjusting gear 17 drives the two racks 15 to move backwards and forwards, the inverted T-shaped sliding block 13 is driven to move on the sliding rail 11, the two mounting plates 14 are driven to move in opposite directions, the tensioning roller 18 is clamped and fixed, and the tensioning roller 18 can be installed.

In conclusion, through the cooperation of structures such as slide rail, adjusting gear, rack, inverted T-shaped slider, mounting panel, locating shaft, locating piece and support section of thick bamboo, the maintenance of tensioning roller is changed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims (6)

1. The utility model provides a tensioning mechanism for polymer membrane rolling, includes frame (1), its characterized in that, the equal fixedly connected with mounting bracket (2) in both ends at frame (1) top, be connected with guide roll (3) through the pivot rotation on mounting bracket (2), T type hole (41) have all been seted up to the front side at frame (1) top and rear side, sliding connection has H type slide (4) in T type hole (41), the bottom fixedly connected with lifter plate (5) of H type slide (4), be provided with elevating system on lifter plate (5), the bottom fixedly connected with support (8) at frame (1), fixedly connected with motor (9) on support (8), the output axle head of motor (9) is connected with elevating system through gear assembly, the top fixedly connected with slide rail (11) of H type slide (11), the front end and the rear end of slide rail (11) are all fixedly connected with baffle (12), sliding connection has two type slider (13) on slide rail (11), two type slider (13) are fallen between the bottom fixedly connected with support (14) and are connected with mounting panel (14).

2. The tensioning mechanism for winding the polymer film according to claim 1, wherein the lifting mechanism comprises a threaded rod (7) and a threaded sleeve (6), a round hole is formed in the lifting plate (5), the threaded sleeve (6) is fixedly connected in the round hole, the threaded rod (7) is connected in the threaded sleeve (6) in a threaded manner, and the top end of the threaded rod (7) is fixed with the frame (1) through a bearing.

3. The tensioning mechanism for winding the polymer film according to claim 2, wherein the gear assembly comprises a driving gear (10) and a driven gear (101), the driving gear (10) is fixedly connected with the output shaft end of the motor (9), the driven gear (101) is fixedly connected with the threaded rod (7), and the driving gear (10) is meshed with the driven gear (101).

4. The tensioning mechanism for winding the polymer film according to claim 1, wherein the adjusting mechanism comprises a rack (15), one end of the rack (15) is fixedly connected with an inverted-T-shaped sliding block (13), the rack (15) is slidably connected with a sliding rail (11), a steering engine (16) is fixedly connected to the bottom of the sliding rail (11), an adjusting gear (17) is fixedly connected to the output shaft end of the steering engine (16), and the adjusting gear (17) is meshed with the rack (15).

5. The tensioning mechanism for winding the polymer film according to claim 1, wherein the mounting plate (14) is rotatably connected with a positioning shaft (141), a positioning block (142) is fixedly connected to the periphery of the positioning shaft (141), a supporting cylinder (143) is fixedly connected to the positioning shaft (141), the front end of the inner wall of the supporting cylinder (143) is in a conical surface structure, positioning holes are formed in the front end and the rear end of the tensioning roller (18), the positioning shaft (141) is spliced with the positioning holes, clamping grooves are formed in the periphery of the positioning holes, and the positioning block (142) is spliced with the clamping grooves.

6. The tensioning mechanism for winding the polymer film according to claim 5, wherein long plates are fixedly connected to two ends of the bottom of the frame (1), and a plurality of mounting holes (19) are uniformly formed in the long plates.