CN210166525U

CN210166525U - Dyeing tank for polarizing film

Info

Publication number: CN210166525U
Application number: CN201921306709.9U
Authority: CN
Inventors: 赵凌
Original assignee: Jiaxing Jieyada Intelligent Equipment Manufacturing Co Ltd
Current assignee: Jiaxing Jieyada Intelligent Equipment Manufacturing Co Ltd
Priority date: 2019-08-13
Filing date: 2019-08-13
Publication date: 2020-03-20
Anticipated expiration: 2029-08-13

Abstract

The utility model provides a dyeing tank for polarizing film, including the cell body, be provided with a plurality of rotatable fixed rollers, per two along its cell body length direction is fixed in the cell body be provided with the floating roll between the fixed roller, the both sides of floating roll are provided with the elevating gear who supplies the floating roll to adjust from top to bottom respectively, elevating gear includes lead screw and elevator, the outside of lead screw is equipped with straight line track, straight line track fixed connection is in cell body inner wall, the lead screw is worn to locate by the elevator, and just in time the joint is located straight line track, the one side that cell body lateral wall was kept away from to the elevator is the rotation with the one end of floating roll and is connected, both ends all are provided with screw thread cleaning device about the elevator. The utility model discloses rational in infrastructure, the mode through the oscilaltion changes the route that the raw materials membrane was walked, sets up cleaning device simultaneously and solves the problem that elevating gear was bitten into by the foreign matter, has improved the smooth and easy nature of elevating gear work.

Description

Dyeing tank for polarizing film

Technical Field

The utility model relates to a polarizing film dyeing equipment technical field specifically is a polarizing film is with dyeing tank.

Background

Conventionally, as a polarizing plate strip used in a liquid crystal display device or the like, an absorptive dichroic polarizing plate strip formed by dyeing a polyvinyl alcohol film with iodine, a dichroic dye, or the like and uniaxially stretching the dyed polyvinyl alcohol film has been widely used.

The polarizer is manufactured by dipping the raw material film in an iodine solution or an aqueous solution of boric acid. In order to immerse the raw material film in the bath of each treatment liquid such as an iodine solution and an aqueous boric acid solution for a sufficient predetermined time, it is necessary to provide a plurality of guide rollers in the bath to extend the path length of the raw material film.

However, the guide rollers in the prior art are mostly fixed in the dyeing tank, different raw material films need to be dyed in different depths, and at this time, some guide rollers do not need the raw material films to pass through, the outlet of the raw material films can be far away from the original outlet for a certain distance, which causes unnecessary troubles, and the length of the path for adjusting the raw material films is also very inconvenient.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polarizing film is with dyeing tank to solve the problem that proposes in the background art, change the route that the raw materials membrane was walked through the mode of oscilaltion, set up cleaning device simultaneously and solve elevating gear and be bitten into the problem by the foreign matter, improved the smooth and easy nature of elevating gear work.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a dyeing tank for a polarizing film comprises a tank body, wherein one end of the tank body in the length direction is a film inlet, and the other end of the tank body in the length direction is a film outlet; the fixed rotatable fixed roll that is provided with of its cell body length direction in the cell body, per two be provided with the floating roll between the fixed roll, the both sides of floating roll are provided with the elevating gear who supplies the floating roll to adjust from top to bottom respectively, elevating gear includes lead screw and elevator, the vertical cell body inner wall department of arranging in of lead screw, and the lead screw stretches into the one end of cell body and connects in the cell body inner wall, and the other end is connected with the speed reduction commutator, the speed reduction commutator passes through backup pad fixed mounting in the cell body, the outside of lead screw is equipped with sharp track, sharp track fixed connection is in the cell body inner wall, the lead screw is worn to locate by the elevator, and just in time the joint is in sharp track, the one side that the cell body lateral wall was kept away from to the elevator is the rotation with the one end of.

By adopting the technical scheme, the polarizing film enters from the film inlet and sequentially winds between the fixed roller and the floating roller in an S shape, the path of the polarizing film in the dyeing tank is increased, the dyeing effect can be improved, meanwhile, the upper position and the lower position of the floating roller can be changed by the arrangement of the lifting device, so that the path length of the polarizing film is changed, the purpose of adjusting the depth of the dyeing effect is realized, in addition, in order to reduce the risks of jamming and precision damage of the lifting device, the thread cleaning device is specially arranged, the gap between threads is kept from being blocked, and the smooth lifting is maintained.

Preferably, a lifting motor is fixedly mounted at a position, close to the film outlet, of the outer wall of the tank body, a first chain wheel is arranged above the lifting motor, the first chain wheel is rotatably connected to one end of the speed reduction commutator, an output shaft of the lifting motor is fixedly connected with a second chain wheel, and the second chain wheel and the first chain wheel are in transmission connection through a chain. Through the operation of lifting motor, drive sprocket two and rotate to convey through chain one, provide initial power for follow-up a plurality of elevating gear's joint operation.

Preferably, a chain tensioning device is arranged between the adjacent speed reduction commutators, each chain tensioning device comprises a third chain wheel, a sleeve roller, a fixing frame and a screw rod with a hand wheel, the fixing frame is fixedly connected to the upper end of the groove body through a bolt, the fixing frame is provided with a threaded hole, the screw rod is in threaded connection with the threaded hole, one end, downwards penetrating through the fixing frame, of the screw rod is fixedly embedded in the sleeve roller through a first bearing, the third chain wheel is rotatably connected to the sleeve roller through a second bearing, and each third chain wheel is in transmission connection with the second chain wheel adjacent to the third chain wheel through a second chain. The dyeing tank runs for a period of time, the tension of the second chain is bound to loosen, the transmission between the lifting devices is affected, the transmission efficiency is low, the upper position and the lower position of the chain wheel are adjusted through the up-and-down rotation of the screw rod, and therefore the tension of the second chain is changed, and the adjusting method has the advantages of being simple and effective.

Preferably, the thread cleaning device comprises a T-shaped moving block and a brush holder fixedly connected to the T-shaped moving block, the T-shaped moving block is embedded in the inner wall of the groove body and can move up and down along the inner wall of the groove body, the brush holder is fixedly clamped to the lifting block, bristles are arranged on the upper portion and the lower portion of the brush holder, one ends of the bristles touch the lead screw, and the bristles and the surface of the lead screw are obliquely arranged. When the elevator reciprocates under the drive of lead screw, the nearly type brush yoke of fixing on the elevator will follow the elevator and remove, and the brush hair just can clear up the lead screw that is rotating, places some dyestuff and long-term amasss in the screw thread, influences the meshing precision of lead screw and elevator, leads to the unable activity from top to bottom of elevator, avoids the appearance of the dead phenomenon of card.

Preferably, the outer wall of the screw is coated with a protective layer for preventing deterioration. The lead screw is immersed in the dyeing tank for a long time, so that the influence of dye in the tank on the surface of the lead screw certainly exists, and in order to prolong the service life of the lead screw and reduce the frequency of replacing the lead screw, the surface of the lead screw is specially coated with a protective layer.

Preferably, the speed reduction commutator is a worm gear speed reducer. The worm gear speed reducer has the advantages of long service life, low allowable input rotating speed range, large speed reduction range and the like.

Preferably, a coupling is arranged between the first chain wheel and the speed reduction commutator.

Compared with the prior art, the beneficial effects of the utility model reside in that: firstly, the length of a path of a polarizing film walking in a dyeing tank is adjusted by adjusting the floating roller up and down, so that the purpose of adjusting the dyeing depth is realized; secondly, the chain tensioning device is arranged, so that the linkage efficiency of the lifting devices can be improved, and the lifting distances of the lifting devices are consistent as much as possible; thirdly, the surface of the lead screw is coated with a protective layer, so that the service life of the lead screw can be prolonged, and the replacement frequency is reduced; fourthly, the thread cleaning device is arranged to clean the gap between the screw threads in advance during the lifting operation, so that the lifting block can be kept to lift smoothly.

Drawings

FIG. 1 is a sectional view of the embodiment;

FIG. 2 is an enlarged view of FIG. 1 at A;

FIG. 3 is a side view of the embodiment;

fig. 4 is a top view of the embodiment.

Reference numerals: 1. a trough body; 101. a film inlet; 102. a film outlet; 2. a fixed roller; 3. a floating roll; 4. a lifting device; 41. a lead screw; 42. a lifting block; 5. a deceleration reverser; 6. a linear track; 7. a thread cleaning device; 71. a T-shaped moving block; 72. a brush holder of a shape of a Chinese character 'ji'; 73. brushing; 8. a lifting motor; 9. a chain wheel I; 10. a second chain wheel; 11. a chain tensioner; 111. a third chain wheel; 112. sleeving a roller; 113. a fixed mount; 114. a screw; 12. a coupling is provided.

Detailed Description

The following is only the preferred embodiment of the present invention, the protection scope is not limited to this embodiment, and all technical solutions belonging to the idea of the present invention should belong to the protection scope of the present invention. It should also be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and such modifications and decorations should also be regarded as the protection scope of the present invention.

As shown in fig. 1, 3 and 4, a dyeing tank for a polarizing film comprises a tank body 1, wherein one end of the tank body 1 in the length direction is a film inlet 101, and the other end is a film outlet 102; fixed a plurality of rotatable fixed rollers 2 that are provided with along its cell body 1 length direction in the cell body 1, be provided with floating roller 3 between per two fixed rollers 2, floating roller 3's both sides are provided with respectively and supply floating roller 3 elevating gear 4 of adjusting from top to bottom, elevating gear 4 includes lead screw 41 and elevator 42, 1 inner wall department of cell body is vertically arranged in to lead screw 41, and lead screw 41 stretches into the one end of cell body 1 and connects in cell body 1 inner wall, the other end is connected with speed reduction commutator 5 through shaft coupling 12, speed reduction commutator 5 passes through backup pad fixed mounting in cell body 1, lead screw 41's outside is equipped with linear rail 6, linear rail 6 fixed connection is in cell body 1 inner wall, lead screw 41 is worn to locate by elevator 42, and just in time the joint is.

As shown in fig. 2, a lifting motor 8 is fixedly mounted on the outer wall of the tank body 1 near the film outlet 102, a first chain wheel 9 is arranged above the lifting motor 8, the first chain wheel 9 is rotatably connected to one end of the speed-reducing commutator 5, a second chain wheel 10 is fixedly connected to an output shaft of the lifting motor 8, and the second chain wheel 10 and the first chain wheel 9 are in transmission connection through a chain. The second chain wheel 10 is driven to rotate by the operation of the lifting motor 8, so that the first chain is used for conveying, and initial power is provided for the follow-up joint operation of the plurality of lifting devices 4.

As shown in fig. 2, one side of the lifting block 42, which is far away from the side wall of the tank body 1, is rotatably connected with one end of the floating roller 3, thread cleaning devices 7 are arranged at the upper end and the lower end of the lifting block 42, each thread cleaning device 7 comprises a T-shaped moving block 71 and a brush holder 72 fixedly connected to the T-shaped moving block 71, the T-shaped moving block 71 is embedded in the inner wall of the tank body 1 and can move up and down along the inner wall of the tank body 1, the brush holder 72 is fixedly connected to the lifting block 42, bristles 73 are arranged on the upper portion and the lower portion of the brush holder 72, one end of each bristle 73 touches the lead screw 41, and the bristles 73 and the surface of. When the lifting block 42 moves up and down under the driving of the screw rod 41, the brush holder 72 fixed on the lifting block 42 moves along with the lifting block 42, the brush bristles 73 clean the rotating screw rod 41, some dye is placed in the threads for a long time, the meshing precision of the screw rod 41 and the lifting block 42 is affected, the lifting block 42 cannot move up and down, and the phenomenon of blocking is avoided.

As shown in fig. 3, chain tensioners 11 are arranged between adjacent speed-reducing commutators 5, each chain tensioner 11 includes a third sprocket 111, a sleeve roller 112, a fixing frame 113 and a screw 114 with a hand wheel, the fixing frame 113 is fixedly connected to the upper end of the tank body 1 by a bolt, the fixing frame 113 is provided with a threaded hole, the screw 114 is in threaded connection with the threaded hole, one end of the screw 114, which downwardly passes through the fixing frame 113, is fixedly embedded in the sleeve roller 112 through a first bearing, the third sprocket 111 is rotatably connected to the sleeve roller 112 through a second bearing, and each third sprocket 111 is in transmission connection with the adjacent second sprocket 10 through a second chain. The tension of the second chain is likely to loosen when the dyeing tank runs for a period of time, so that the transmission between the lifting device 4 is affected, the transmission efficiency is low, the upper position and the lower position of the chain wheel are adjusted by the vertical rotation of the screw 114, and the tension of the second chain is changed, so that the adjusting method has the advantages of simplicity and effectiveness.

The outer wall of the lead screw 41 is coated with a protective layer for preventing deterioration. Since the lead screw 41 is immersed in the dyeing bath for a long time, the influence of the dye in the bath on the surface of the lead screw 41 is certainly present, and in order to prolong the service life of the lead screw 41 and reduce the frequency of replacing the lead screw 41, a protective layer is specially coated on the surface of the lead screw 41.

The speed reduction commutator 5 is a worm gear speed reducer. The worm gear speed reducer has the advantages of long service life, low allowable input rotating speed range, large speed reduction range and the like.

The specific working principle is as follows: the polarizing film enters from the film inlet 101, sequentially winds between the fixed roller 2 and the floating roller 3 in an S-shape, and exits from the film outlet 102. In the process, the path of the polarizing film in the dyeing tank is increased, and the dyeing effect can be improved.

If a light polarizing film is required, the lifting device 4 needs to be adjusted to move upwards to shorten the distance between the fixed roller 2 and the floating roller 3, so that the path of the polarizing film curve passing through the fixed roller 2 and the floating roller 3 is shortened, the time of the polarizing film in the dyeing tank is shortened, and the dyed color is light.

The specific operation is that the lifting motor 8 is started, the second chain wheel 10 on the output shaft of the lifting motor 8 rotates, the first chain wheel 9 is firstly transmitted through the first chain, the first chain wheel 9 drives the turbine worm speed reducer to work under the action of the coupler 12, so that the screw rod 41 rotates, the lifting block 42 can move upwards under the guidance of the linear track 6, in the process that the lifting block 42 moves upwards, the brush hair 73 can sweep the rotating screw rod 41 upwards, and the lifting block 42 can move upwards smoothly.

Claims

1. A dyeing tank for a polarizing film comprises a tank body (1), wherein one end of the tank body (1) in the length direction is a film inlet (101), and the other end of the tank body is a film outlet (102); a plurality of rotatable fixed rollers (2) are fixedly arranged in the tank body (1) along the length direction of the tank body (1), each two fixed rollers (2) are provided with floating rollers (3), two sides of each floating roller (3) are respectively provided with a lifting device (4) for vertically adjusting the floating rollers (3), the lifting device is characterized in that each lifting device (4) comprises a lead screw (41) and a lifting block (42), the lead screws (41) are vertically arranged on the inner wall of the tank body (1), one end of each lead screw (41) extending into the tank body (1) is connected to the inner wall of the tank body (1), the other end of each lead screw is connected with a speed reduction commutator (5), each speed reduction commutator (5) is fixedly arranged in the tank body (1) through a supporting plate, a linear rail (6) is arranged outside each lead screw (41), the linear rail (6) is fixedly connected to the inner wall of the tank body (1), and each lifting block (42, and just in time the joint is in sharp track (6), the one side that cell body (1) lateral wall was kept away from in lifter (42) is the rotation with the one end of floating roll (3) and is connected, both ends all are provided with screw thread cleaning device (7) about lifter (42).

2. The dyeing tank for the polarizing film according to claim 1, wherein a lifting motor (8) is fixedly mounted on the outer wall of the tank body (1) near the film outlet (102), a first chain wheel (9) is arranged above the lifting motor (8), the first chain wheel (9) is rotatably connected to one end of the speed-reducing commutator (5), a second chain wheel (10) is fixedly connected to an output shaft of the lifting motor (8), and the second chain wheel (10) and the first chain wheel (9) are in transmission connection through a chain.

3. The dyeing tank for the polarizing film according to claim 1, wherein chain tensioners (11) are arranged between adjacent speed-reducing commutators (5), each chain tensioner (11) comprises a third chain wheel (111), a sleeve roller (112), a fixing frame (113) and a screw rod (114) with a hand wheel, the fixing frame (113) is fixedly connected to the upper end of the tank body (1) through a bolt, the fixing frame (113) is provided with a threaded hole, the screw rod (114) is in threaded connection with the threaded hole, one end of the screw rod (114) downwards penetrating through the fixing frame (113) is fixedly embedded in the sleeve roller (112) through a first bearing, the third chain wheel (111) is rotatably connected to the sleeve roller (112) through a second bearing, and each third chain wheel (111) is in transmission connection with a second chain wheel (10) adjacent to the third chain wheel through a second chain.

4. The dyeing tank for the polarizing film according to claim 1, wherein the thread cleaning device (7) comprises a T-shaped moving block (71) and several types of brush holders (72) fixedly connected to the T-shaped moving block (71), the T-shaped moving block (71) is embedded in the inner wall of the tank body (1) and can move up and down along the inner wall of the tank body (1), the several types of brush holders (72) are fixedly clamped to the lifting block (42), the upper portion and the lower portion of the several types of brush holders (72) are provided with bristles (73), one end of the bristles (73) is contacted to the lead screw (41), and the bristles (73) and the surface of the lead screw (41) are obliquely arranged.

5. The dyeing tank for polarizing film according to claim 1, wherein the outer wall of the lead screw (41) is coated with a protective layer for preventing deterioration.

6. The dyeing tank for polarizing films according to claim 1, wherein the speed reduction commutator (5) is a worm gear reducer.

7. The dyeing tank for polarizing films according to claim 2, wherein a coupler (12) is provided between the first sprocket (9) and the reduction commutator (5).