CN219726380U

CN219726380U - Polarizer cutting device

Info

Publication number: CN219726380U
Application number: CN202321399830.7U
Authority: CN
Inventors: 岑星桦
Original assignee: LG Display Optoelectronics Technology China Co Ltd
Current assignee: LG Display Optoelectronics Technology China Co Ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-09-22
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a polaroid cutting device which comprises a supporting seat, a sliding rail, a cutting assembly and a separating assembly. The supporting seat is arranged on one side surface of the polaroid, which is away from the substrate, the supporting seat is provided with an operation hole, the operation hole penetrates through the top and the bottom of the supporting seat, the sliding rail is arranged on the inner side wall of the operation hole, the sliding rail surrounds the center of the operation hole for one circle, the cutting assembly comprises a sliding block and a telescopic knife, the sliding block is in sliding connection with the sliding rail, the sliding block can slide along the extending direction of the sliding rail, and the telescopic knife is connected with the sliding block; the separation assembly is connected with the supporting seat and comprises a first sucker which can be lifted, and the first sucker can extend to one side, close to the polaroid, of the supporting seat through the operation hole so as to adsorb the polaroid. The polaroid cutting device is convenient for cutting the polaroid and has good safety.

Description

Polarizer cutting device

Technical Field

The utility model relates to the technical field of manufacturing of display panels, in particular to a polaroid cutting device.

Background

Referring to fig. 1 and 2, the panel 1 ' includes a substrate 13 ' and a polarizer 11 ' stacked on an upper surface of the substrate 13 ', the polarizer 11 ' being adhered to the substrate 13 ' through an adhesive layer 12 ', the polarizer 11 ' being mainly used to improve the light condensing property of the panel 1 '. In the process of manufacturing the panel 1 ', defects such as white spots and the like sometimes occur on a part of the surface of the panel 1 ', and the defects occur mainly because defects exist in a part of the substrate 13 ', so that the region of the defective part covered by the polarizer 11 ' needs to be cut and removed to expose the defective part of the substrate 13 ' for technicians to analyze.

In the prior art, a hand holds a knife to cut the polarizer 11 'to obtain the cut sheet 111', and then manually pries the cut sheet 111 'from the substrate 13' to separate the cut sheet 111 'from the substrate 13'. However, such a cutting method of the polarizer 11' is complicated in operation, and is easy to accidentally injure the hands of the operator during the cutting and taking out process, thereby having low safety.

Disclosure of Invention

The utility model aims at: the polaroid cutting device is convenient for cutting the polaroid and has good safety.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

provided is a polarizer cutting apparatus including:

the supporting seat is arranged on one side surface of the polaroid, which is away from the base plate, and is provided with an operation hole, and the operation hole penetrates through the top and the bottom of the supporting seat;

the sliding rail is arranged on the inner side wall of the operation hole, and surrounds the center of the operation hole for one circle;

the cutting assembly comprises a sliding block and a telescopic knife, the sliding block is in sliding connection with the sliding rail, the sliding block can slide along the extending direction of the sliding rail, and the telescopic knife is connected with the sliding block;

the separation assembly is connected with the supporting seat and comprises a first sucker which can be lifted, and the first sucker can penetrate through the operation hole to extend to one side, close to the polaroid, of the supporting seat so as to adsorb the polaroid.

As a preferred scheme of polaroid cutting device, the separation assembly still includes fixed plate, support frame and pull rod, the fixed plate interval sets up the top of supporting seat, just the fixed plate with the operation hole is just right, the one end of support frame with the supporting seat is connected, the other end with the fixed plate is connected, first sucking disc is located the downside of fixed plate, the fixed plate runs through and is provided with the through-hole, the lower extreme of pull rod passes the through-hole with first sucking disc is connected, the pull rod can for the fixed plate goes up and down.

As a preferable scheme of the polaroid cutting device, an elastic layer is arranged on the inner side wall of the through hole, and the pull rod is elastically abutted with the inner side wall of the through hole through the elastic layer.

As an optimized scheme of the polaroid cutting device, the first suckers are multiple, the first suckers are distributed at intervals, and the first suckers are in one-to-one correspondence with the pull rods.

As a preferable scheme of the polaroid cutting device, the separation assembly further comprises a connecting plate, all the pull rods are connected through the connecting plate, and the connecting plates are arranged at intervals on one side, far away from the supporting seat, of the fixing plate.

As a preferable scheme of the polaroid cutting device, the separating assembly further comprises a lifting cylinder, wherein the lifting cylinder is installed on the supporting seat and is provided with a lifting end, and the lifting end is connected with the connecting plate.

As a preferable scheme of the polaroid cutting device, the supporting frame comprises at least two supporting rods, all the supporting rods are distributed at intervals, and the opposite ends of each supporting rod are respectively connected with the supporting seat and the fixing plate.

As a preferable scheme of the polaroid cutting device, a second sucker is arranged at the bottom of the supporting seat, and the second sucker can adsorb one side surface of the polaroid, which is away from the substrate.

As a preferable mode of the polaroid cutting device, the second sucking discs are provided in a plurality, and the second sucking discs are distributed at intervals around the center of the operation hole.

As a preferred embodiment of the polarizer cutting apparatus, the cutting assembly is provided with at least two sets.

The beneficial effects of the utility model are as follows: the polaroid cutting device with the structure is characterized in that the sliding rail is arranged on the supporting seat, the telescopic knife is connected with the sliding block, the telescopic knife can be moved along the extending direction of the sliding rail through the sliding block, the telescopic knife is not required to be manually held, the polaroid is convenient to cut, the hands of operators can be prevented from being accidentally injured during cutting, and the polaroid cutting device has higher safety. In addition, because the first sucking disc can be lifted, the cut polaroid can be adsorbed by the first sucking disc, and the first sucking disc is lifted upwards to separate the polaroid from the substrate, so that the cut polaroid does not need to be pried up from the substrate manually, and the operation is convenient.

Drawings

The utility model is described in further detail below with reference to the drawings and examples.

Fig. 1 is a cross-sectional view of a prior art panel.

FIG. 2 is a schematic diagram of a prior art separation of a cut sheet from a polarizer.

FIG. 3 is a front view of a polarizer cutting apparatus according to an embodiment of the present utility model (only one set of cutting elements is shown).

Fig. 4 is a bottom view of a polarizer cutting apparatus according to an embodiment of the present utility model.

Fig. 5 is a connection structure diagram of a cutting assembly and a sliding rail according to an embodiment of the present utility model.

Fig. 6 is a connection structure diagram of a pull rod and a fixing plate according to another embodiment of the present utility model.

Fig. 7 is a schematic structural diagram of a polarizer cutting apparatus according to another embodiment of the present utility model.

FIG. 8 is a schematic diagram illustrating a polarizer cutting apparatus according to another embodiment of the present utility model.

In fig. 1 and 2:

1', a panel; 11', a polarizer; 111', cutting the sheet; 12', an adhesive layer; 13', substrate.

Fig. 3 to 8:

1. a support base; 11. an operation hole; 2. a slide rail; 3. a cutting assembly; 31. a slide block; 32. a telescopic knife; 321. a knife body; 322. a knife body; 4. a separation assembly; 41. a first suction cup; 42. a fixing plate; 43. a support rod; 44. a pull rod; 45. an elastic layer; 46. a lifting cylinder; 461. a lifting end; 47. a connecting plate; 5. and a second suction cup.

Detailed Description

Advantages and features of the present utility model and methods of accomplishing the same may become apparent with reference to the following detailed description of embodiments taken in conjunction with the accompanying drawings. However, the present utility model is not limited to the embodiments disclosed below, but may be embodied in various different forms, which are provided only for the purpose of completing the disclosure of the present utility model and fully understanding the scope of the present utility model by those skilled in the art, and the present utility model is limited only by the scope of the claims. Like reference numerals denote like constituent elements throughout the specification.

Hereinafter, the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 3 to 5, the polarizer cutting device provided by the utility model is mainly used for cutting a polarizer adhered on the upper surface of a substrate. The polaroid cutting device comprises a supporting seat 1, a sliding rail 2, a cutting assembly 3 and a separating assembly 4. The supporting seat 1 sets up the side that deviates from the base plate at the polaroid, supporting seat 1 has operation hole 11, operation hole 11 runs through the top and the bottom of supporting seat 1, slide rail 2 sets up on operation hole 11's inside wall, and slide rail 2 encircles operation hole 11's center round, cutting assembly 3 includes slider 31 and flexible sword 32, slider 31 and slide rail 2 sliding connection, and slider 31 can slide along slide rail 2's extending direction, flexible sword 32 is connected with slider 31, separation subassembly 4 is connected with supporting seat 1, separation subassembly 4 includes the first sucking disc 41 of liftable setting, first sucking disc 41 can pass operation hole 11 and extend to one side that supporting seat 1 is close to the polaroid in order to adsorb the polaroid.

Specifically, when the device is used, after a cutting area is determined on the polaroid, a polaroid cutting device is placed near the cutting area of the polaroid and the cutting area is located in the operation hole 11, a telescopic knife 32 on the sliding rail 2 is operated to cut the polaroid, the cutting area of the polaroid is cut, the first sucker 41 is lowered and is adsorbed on the surface of the cut polaroid, and then the first sucker 41 is lifted to drive the cut polaroid to rise so as to separate the polaroid from the substrate.

The supporting seat 1 provides an integral supporting function for the polaroid cutting device, and the operation hole 11 provides an operation space for cutting the polaroid. The polaroid cutting device with the structure is characterized in that the sliding rail 2 is arranged on the supporting seat 1, the telescopic knife 32 is connected with the sliding block 31, the telescopic knife 32 can be moved along the extending direction of the sliding rail 2 by sliding the sliding block 31, the telescopic knife 32 is not required to be manually held, the polaroid is convenient to cut, the hands of operators can be prevented from being accidentally injured during cutting, and the polaroid cutting device has higher safety. In addition, because the first sucker 41 can be lifted, the cut polaroid can be adsorbed by the first sucker 41, and the first sucker 41 is lifted upwards to separate the polaroid from the substrate, so that the cut polaroid is not required to be pried up from the substrate by a human hand, and the operation is convenient.

Specifically, the telescopic knife 32 includes a knife body 321 and a knife body 322, the knife body 321 is fixed with the slider 31, one end of the knife body 322 is slidably connected with the knife body 321, so that one end of the knife body 322 can be extended downward relative to the knife body 321, when the polarizer is cut, the knife body 322 is extended downward from the knife body 321, the knife body 322 is in an extended state, and when the polarizer is cut, the knife body 322 is retracted upward into the knife body 321. It should be noted that the telescopic knife 32 is a prior art, and the specific structure of the telescopic knife 32 is not described here.

The separation assembly 4 further comprises a fixing plate 42, a supporting frame and a pull rod 44, the fixing plate 42 is arranged above the supporting seat 1 at intervals, the fixing plate 42 is opposite to the operation hole 11, one end of the supporting frame is connected with the supporting seat 1, the other end of the supporting frame is connected with the fixing plate 42, the first sucker 41 is located on the lower side of the fixing plate 42, the fixing plate 42 is provided with a through hole in a penetrating mode, the lower end of the pull rod 44 penetrates through the through hole to be connected with the first sucker 41, and the pull rod 44 can be lifted relative to the fixing plate 42. The opposite ends of the supporting frame are respectively connected with the fixing plate 42 and the supporting seat 1, the fixing plate 42 is supported above the supporting seat 1 through the supporting frame, the lifting of the pull rod 44 drives the first sucker 41 to lift, and the lifting of the pull rod 44 and the first sucker 41 can be guided through the fixing plate 42 due to the fact that the pull rod 44 passes through the through hole in the fixing plate 42, so that the cut polaroid is separated from the substrate conveniently.

Referring to fig. 6, preferably, an elastic layer 45 is provided on the inner side wall of the through hole, the pull rod 44 is elastically abutted against the inner side wall of the through hole through the elastic layer 45, the elastic layer 45 has a certain elastic deformation capability, and the pull rod 44 is pressed by the elastic layer 45 in the through hole, so that the pull rod 44 and the first suction cup 41 are positioned at any height position on the operation hole 11. When the polaroid is cut, the first sucker 41 can be positioned above the polaroid under the action of the elastic layer 45, so that the first sucker 41 is far away from the polaroid, the first sucker 41 cannot influence the cutting operation of the telescopic knife 32, and when the polaroid is cut, the pull rod 44 is applied with downward external force to enable the first sucker 41 to descend and be adsorbed on the surface of the cut polaroid.

Specifically, the elastic layer 45 is an elastic sponge or an elastic rubber layer, or the like.

Referring to fig. 3 and 4, in order to increase the adsorption force to the polarizer cutting block, in this example, a plurality of first suction cups 41 are provided, the plurality of first suction cups 41 are spaced apart, the first suction cups 41 are in one-to-one correspondence with the tie bars 44, the cut polarizer has a certain size, the adsorption area can be increased by the plurality of first suction cups 41, and a larger adsorption force can be applied to the cut polarizer, which is more beneficial to separating the polarizer from the substrate. In this example, the first suction cup 41 has six.

In another example, the number of the first suction cups 41 may be set to one, two, three, or the like, and the number of the first suction cups 41 is not limited herein.

In the case that the first suction cups 41 have a plurality of suction cups, referring to fig. 7 and 8, the separating assembly 4 further includes a connection plate 47, all the tie rods 44 are connected through the connection plate 47, and the connection plate 47 is disposed at a side of the fixing plate 42 away from the supporting seat 1 at intervals, so that all the tie rods 44 are connected as a whole, and thus all the first suction cups 41 can be driven to synchronously lift without driving the tie rods 44 one by one.

In an example, referring to fig. 8, the separating assembly 4 further includes a lifting cylinder 46, the lifting cylinder 46 is mounted on the supporting seat 1, the lifting cylinder 46 has a lifting end 461, the lifting end 461 is connected with the connecting plate 47, and the lifting end 461 of the lifting cylinder 46 can lift relative to the supporting seat 1, so as to automatically drive the pull rod 44 and the first suction cup 41 to lift.

In other examples, the pull rod 44 and the first suction cup 41 may be manually driven to be lifted or lifted, or the pull rod 44 and the first suction cup 41 may be driven to be lifted or lifted by an external manipulator.

In an embodiment, referring to fig. 3, 4, 7 and 8, the support frame includes at least two support rods 43, all the support rods 43 are spaced apart, and opposite ends of each support rod 43 are respectively connected to the support base 1 and the fixing plate 42. At least two support rods 43 are arranged at intervals, and a space for controlling the telescopic knife 32 is reserved between two adjacent support rods 43, so that the position interference of the support frame on the telescopic knife 32 is prevented from influencing the cutting operation.

In this embodiment, the supporting frame includes four supporting rods 43, and the four supporting rods 43 are rectangular in distribution, which is beneficial to stabilizing the position of the fixing plate 42.

Since the surface of the polarizer is smooth, the support base 1 is placed on the surface of the polarizer, and the support base 1 is easily moved when the telescopic knife 32 applies a cutting force to the polarizer. In this embodiment, referring to fig. 3, 4, 7 and 8, the bottom of the supporting seat 1 is provided with the second suction cup 5, the second suction cup 5 can adsorb a side surface of the polarizer, which is away from the substrate, and the second suction cup 5 adsorbs the polarizer, so that the supporting seat 1 can be locked on the polarizer, and the supporting seat 1 is prevented from being shifted.

Specifically, the second sucking discs 5 are multiple, the second sucking discs 5 are distributed around the center of the operation hole 11 at intervals, and the second sucking discs 5 provide enough suction force for the supporting seat 1, so that the supporting seat 1 is ensured to be firmly and stably locked on the polaroid.

Preferably, referring to fig. 4, the polarizer cutting device has at least two sets of cutting assemblies 3, the cutting assemblies 3 can be flexibly used according to the specific implementation, and in the case that the telescopic knife 32 in one set of cutting assemblies 3 is damaged, the telescopic knife 32 in the other sets of cutting assemblies 3 can be used for cutting operation, so that the service life of the polarizer is prolonged.

In this example, the cutting assembly 3 has four. In other examples, the number of cutting assemblies 3 may also be arranged in one or two or three groups, etc.

Although the embodiments of the present utility model have been described above with reference to the accompanying drawings, the present utility model is not limited to the above embodiments, but may be manufactured in various forms, and it will be understood by those skilled in the art that the present utility model may be embodied in other specific forms without changing the technical spirit or essential features of the present utility model. Accordingly, it should be understood that the above-described embodiments are illustrative in all respects and not restrictive.

Claims

1. A polarizer cutting apparatus, comprising:

2. The polarizer cutting device according to claim 1, wherein the separation assembly further comprises a fixing plate, a supporting frame and a pull rod, the fixing plate is arranged above the supporting seat at intervals, the fixing plate is opposite to the operation hole, one end of the supporting frame is connected with the supporting seat, the other end of the supporting frame is connected with the fixing plate, the first sucker is located at the lower side of the fixing plate, a through hole is formed in the fixing plate in a penetrating mode, the lower end of the pull rod penetrates through the through hole to be connected with the first sucker, and the pull rod can be lifted relative to the fixing plate.

3. The polarizer cutting apparatus of claim 2, wherein an elastic layer is disposed on an inner sidewall of the through hole, and the tie rod is elastically abutted against the inner sidewall of the through hole through the elastic layer.

4. The polarizer cutting apparatus of claim 2, wherein the first suction cup has a plurality of first suction cups, the plurality of first suction cups are spaced apart, and the first suction cups are in one-to-one correspondence with the tie bars.

5. The polarizer cutting apparatus of claim 4, wherein the separation assembly further comprises a connection plate through which all the tie rods are connected, the connection plate being disposed at a distance from one side of the fixing plate away from the support base.

6. The polarizer cutting apparatus of claim 5, wherein the separation assembly further comprises a lifting cylinder mounted on the support base, the lifting cylinder having a lifting end, the lifting end being connected to the connection plate.

7. The polarizer cutting apparatus of claim 2, wherein the support frame comprises at least two support bars, all of the support bars are spaced apart, and opposite ends of each of the support bars are respectively connected to the support base and the fixing plate.

8. The polarizer cutting apparatus according to any one of claims 1 to 7, wherein a second suction cup is provided at the bottom of the support base, and the second suction cup is capable of sucking a side surface of the polarizer facing away from the substrate.

9. The polarizer cutting apparatus of claim 8, wherein the second suction cup has a plurality of second suction cups, the plurality of second suction cups being spaced around a center of the operation hole.

10. The polarizer cutting apparatus according to any one of claims 1 to 7, wherein the cutting assembly is provided with at least two groups.