Positioning device for polaroid compound machine

Abstract

The utility model relates to the technical field of polaroid compounding, in particular to a positioning device for a polaroid compounding machine, which comprises a transmission shaft, two limiting plates are mounted on the circumferential outer wall of the transmission shaft, guide plates are fixedly connected to the circumferential outer walls of the two limiting plates, each guide plate is of an L-shaped structure, and the limiting plates are fixedly connected with the transmission shaft. A plurality of rotating shafts are rotationally connected to the inner walls of the two guide plates in an up-down symmetrical structure, guide rollers are fixedly connected to the circumferential outer walls of the rotating shafts, a bidirectional threaded rod is rotationally connected to the inner wall of the conveying shaft, and the two ends of the bidirectional threaded rod extend to the end face of the conveying shaft. The polaroid is conveyed through the conveying shaft, the polaroid is limited through the limiting plate on the conveying shaft, the movable end of the polaroid penetrates through the position between the upper guide roller and the lower guide roller of the guide plate, the polaroid is positioned and conveyed through the guide rollers, and therefore the conveying accuracy of the polaroid is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to polarizing plate composite technical field more specifically, relate to a positioning device for polarizing plate compound machine. BACKGROUND

[0002] The polarizing plate compound machine is used for coating a certain thickness of pressure sensitive adhesive on a specific functional film, and then performing compounding with a polarizing plate original piece after drying, and then compounding a protective film, thereby forming a polarizing plate finished product device, which first coats a layer of pressure sensitive adhesive on a specific functional film, and then removes the solvent through drying treatment to make the pressure sensitive adhesive stable. Then, the polarizing plate original piece is compounded with the functional film coated with the pressure sensitive adhesive to ensure the adhesion and flatness. During the compounding process, the pressure sensitive adhesive will be closely attached to the polarizing plate original piece when subjected to pressure. Finally, a protective film is compounded on the surface of the polarizing plate to protect it.

[0003] The existing polarizing plate compound machine in the prior art needs to pull the polarizing plate out of the reel before compounding, but during the pulling process, the polarizing plate is prone to positional deviation, causing misalignment of the polarizing plate compounding and affecting the accuracy of the compounding. Therefore, we propose a positioning device for a polarizing plate compound machine. UTILITY MODEL CONTENT

[0004] Based on the above-mentioned technical problems of the existing polarizing plate compound machine in the prior art, the polarizing plate needs to be pulled out of the reel before compounding, but during the pulling process, the polarizing plate is prone to positional deviation, causing misalignment of the polarizing plate compounding and affecting the accuracy of the compounding. The utility model proposes a positioning device for a polarizing plate compound machine.

[0005] The utility model proposes a positioning device for a polarizing plate compound machine, which comprises a conveying shaft, two limiting plates are installed on the circumferential outer wall of the conveying shaft, two limiting plates are fixedly connected with guide plates on the circumferential outer wall, the guide plates are L-shaped structures, a plurality of rotating shafts are rotatably connected to the inner walls of the two guide plates in an upper and lower symmetrical structure, and a plurality of guide rollers are fixedly connected to the circumferential outer walls of the rotating shafts.

[0006] Preferably, a double -screw rod is rotatably connected to the inner wall of the conveying shaft, the double -screw rod extends to the end face of conveying shaft at both ends respectively, and rotating grooves are formed at both ends of the double -screw rod.

[0007] Preferably, two sliding grooves are formed on the circumferential outer wall of the conveying shaft, two connecting arms are slidably connected to the inner walls of the two sliding grooves, the double -screw rod extends to the outer side of the sliding groove at both ends respectively, and the double -screw rod penetrates the connecting arm at both ends respectively and is screw connected with it.

[0008] Preferably, two ends of each of the two connecting arms extend to the outside of the transmission shaft, and the two outer ends of the two connecting arms are fixedly connected with corresponding limiting plates, the limiting plates are sleeved on the transmission shaft and are in sliding connection with the transmission shaft.

[0009] Preferably, each of the two ends of the two guide plates is fixedly connected with a mounting sleeve, the inner wall of each of the two mounting sleeves is fixedly connected with a bearing, and the inner wall of the inner ring of each of the two bearings is fixedly connected with an internally-threaded sleeve.

[0010] Preferably, the two ends of each of the two internally-threaded sleeves are threadedly connected with an externally-threaded sleeve, the inner wall of each of the two externally-threaded sleeves is provided with an extrusion surface, and the circumferential outer wall of each of the two externally-threaded sleeves is fixedly connected with a knob.

[0011] Preferably, the circumferential outer wall of each of the two internally-threaded sleeves is slidably connected with a plurality of connecting rods at equal intervals, the ends of the connecting rods extend into the internally-threaded sleeve, and the ends of the connecting rods are fixedly connected with a positioning plate.

[0012] Preferably, the two ends of the positioning plate are provided with guide surfaces, and the guide surfaces are in sliding contact with the extrusion surfaces.

[0013] By means of the above technical scheme, the utility model has the advantages of:

[0014] 1. After the polarizing sheet is pulled out of the reel, the polarizing sheet is conveyed through the transmission shaft, the polarizing sheet is positioned by the limiting plate on the transmission shaft, the movable end of the polarizing sheet is respectively threaded between the upper and lower guide rollers of the guide plate, and the polarizing sheet is positioned and conveyed by the guide rollers, so that the precision of conveying the polarizing sheet is improved.

[0015] 2. The stability of the end of the guide plate is improved by the design of the transmission shaft and the components such as the internally-threaded sleeve, the externally-threaded sleeve and the positioning plate, the position deviation of the polarizing sheet caused by the shaking of the guide plate is reduced, and the precision of compounding is further improved.

[0016] 3. The cross screwdriver is inserted into the rotating groove, the two connecting arms are respectively slid along the corresponding sliding grooves by rotating the bidirectional threaded rod, and the distance between the two limiting plates can be adjusted to adapt to the use of polarizing sheets of different widths. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a schematic diagram of the mounting structure of the connecting arm of the utility model;

[0019] Figure 3 It is a schematic diagram of the mounting structure of the mounting sleeve of the utility model;

[0020] Figure 4The utility model discloses a positioning plate's installation structure schematic drawing;

[0021] Figure 5 The utility model discloses a positioning plate's structure structure schematic drawing;

[0022] Figure 6 The utility model discloses an outer thread sleeve's structure structure schematic drawing.

[0023] In the figure: 1, conveying shaft;2, two -way threaded rod;3, rotary groove;4, sliding slot;5, connecting arm;6, limit board;7, guide plate;8, pivot;9, guide roller;10, mounting cover;11, bearing;12, inner thread cover;13, connecting rod;14, positioning plate;15, outer thread cover;16, knob;17, guide surface;18, extrusion surface. DETAILED DESCRIPTION

[0024] Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection, in the utility model, unless another explicit provision and limitation, the term "fixedly connected" should be broad sense understanding, for example, "fixedly connected" can be fixed mounting, also can be detachable connection, or integral;Can be mechanical connection, also can be electrical connection;Can be directly connected. For the person skilled in the art, the specific meaning of the above-mentioned term in the utility model can be understood according to specific circumstances.

[0025] As Figure 1 And Figure 3 As shown in a kind of positioning device for polarizing sheet compound machine, including conveying shaft 1, two limit boards 6 are installed on the circumferential outer wall of conveying shaft 1, two limit boards 6 circumferential outer wall are all fixedly connected with guide plate 7, guide plate 7 L shape structure, the inner wall of two guide plates 7 is all symmetrically structured and is rotatably connected with multiple pivots 8, multiple pivots 8 circumferential outer wall are all fixedly connected with guide roller 9;Polarizing sheet is pulled out from reel, is conveyed by conveying shaft 1, polarizing sheet is positioned by the limit board 6 on conveying shaft 1, and the movable end of polarizing sheet is respectively passed between the upper and lower guide rollers 9 of guide plate 7, polarizing sheet is positioned and transported by guide roller 9, to improve the precision of polarizing sheet transport.

[0026] As Figure 1 And Figure 2As shown, the inner wall of the transmission shaft 1 is rotatably connected with a bidirectional threaded rod 2, the two ends of the bidirectional threaded rod 2 extend to the end face of the transmission shaft 1 respectively, the two ends of the bidirectional threaded rod 2 are provided with a rotating groove 3 respectively, the circumferential outer wall of the transmission shaft 1 is provided with two sliding grooves 4, the inner wall of each of the two sliding grooves 4 is slidably connected with a connecting arm 5, the two ends of the bidirectional threaded rod 2 respectively penetrate through the sliding grooves 4 and extend to the outside of the sliding grooves 4, the two ends of the bidirectional threaded rod 2 respectively penetrate through the connecting arms 5 and are threadedly connected with the connecting arms 5, the two ends of each of the two connecting arms 5 extend to the outside of the transmission shaft 1 respectively, and the outer end of each of the two connecting arms 5 is fixedly connected with a corresponding limiting plate 6, the limiting plate 6 is sleeved on the transmission shaft 1 and is slidably connected with the transmission shaft 1.

[0027] As shown in the figure, Figures 3-6 The two ends of each of the two guide plates 7 are fixedly connected with a mounting sleeve 10, the inner wall of each of the two mounting sleeves 10 is fixedly connected with a bearing 11, the inner wall of the inner ring of each of the two bearings 11 is fixedly connected with an internal thread sleeve 12, the two ends of the internal thread sleeve 12 are threadedly connected with an external thread sleeve 15, the inner wall of the external thread sleeve 15 is provided with an extrusion surface 18, the circumferential outer wall of the external thread sleeve 15 is fixedly connected with a knob 16, the circumferential outer wall of each of the two internal thread sleeves 12 is slidably connected with a plurality of connecting rods 13 at equal intervals, the end of each of the connecting rods 13 extends to the inside of the internal thread sleeve 12 respectively, the end of each of the connecting rods 13 is fixedly connected with a positioning plate 14, the two ends of the positioning plate 14 are provided with a guide surface 17, and the guide surface 17 is in sliding contact with the extrusion surface 18; through the design of the transmission shaft 1 and the cooperation of the internal thread sleeve 12, the external thread sleeve 15 and the positioning plate 14 and the like, the stability of the end of the guide plate 7 is improved, the position deviation of the polarizing plate caused by the shaking of the guide plate 7 is reduced, and the precision of the compounding is further improved.

[0028] Working principle: the transmission shaft 1 replaces the conveying shaft on the polarizing plate compounding machine, the two internal thread sleeves 12 are sleeved on the next conveying shaft on the polarizing plate compounding machine respectively, the knobs 16 on the same mounting sleeve 10 are rotated respectively, the external thread sleeves 15 are driven to rotate by the knobs 16, the external thread sleeves 15 are screwed into the internal thread sleeves 12 respectively, the extrusion surfaces 18 on the external thread sleeves 15 extrude the guide surfaces 17 at the two ends of the positioning plate 14 respectively, the positioning plate 14 moves to the center of the mounting sleeve 10, so that the conveying shaft outer wall can be clamped and fixed, and the stability of the end of the guide plate 7 is improved.

[0029] After the polarizing plate is pulled out from the reel, it is conveyed by the transmission shaft 1, the limiting plate 6 on the transmission shaft 1 limits the polarizing plate, the movable end of the polarizing plate passes between the upper and lower guide rollers 9 of the guide plate 7 respectively, the guide rollers 9 position and convey the polarizing plate to improve the precision of the polarizing plate conveying.

[0030] By inserting a cross screwdriver into the rotating groove 3, by rotating the two-way threaded rod 2, the two connecting arms 5 are respectively slid along the corresponding sliding grooves 4, so that the distance between the two limiting plates 6 can be adjusted to adapt to the use of different width polaroid.

[0031] It should be noted that the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A positioning device for a polarizer compounder comprising a transfer shaft (1), characterized in that: The outer wall of the conveying shaft (1) is provided with two limiting plates (6), the outer wall of each limiting plate (6) is fixedly connected with a guide plate (7), the guide plate (7) has an L-shaped structure, the inner wall of each guide plate (7) is symmetrically provided with a plurality of rotating shafts (8), and the outer wall of each rotating shaft (8) is fixedly connected with a guide roller (9).

2. The positioning device for a polarizing sheet compounding machine according to claim 1, wherein: The inner wall of the conveying shaft (1) is rotatably connected with a bidirectional screw rod (2), the two ends of the bidirectional screw rod (2) extend to the end face of the conveying shaft (1), and the two ends of the bidirectional screw rod (2) are provided with rotating grooves (3).

3. The positioning device for a polarizing sheet compounding machine according to claim 2, wherein: The outer wall of the conveying shaft (1) is provided with two sliding grooves (4), the inner wall of each sliding groove (4) is slidably connected with a connecting arm (5), the two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

4. The positioning device for a polarizing sheet compounder according to claim 3, wherein: The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

5. The positioning device for a polarizing sheet compounding machine according to claim 4, wherein: The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

6. The positioning device for a polarizing sheet compounder according to claim 5, wherein: The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

7. The positioning device for a polarizing sheet compounder according to claim 6, wherein: The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

8. The positioning device for a polarizing sheet compounder according to claim 7, wherein: The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5). The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5). The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5). The two ends of the bidirectional screw rod (2) extend to the outside of the sliding groove (4) and are in threaded connection with the connecting arm (5).

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