CN212445386U

CN212445386U - Efficient cutting device is used in production of LED backlight protection film

Info

Publication number: CN212445386U
Application number: CN202020866157.3U
Authority: CN
Inventors: 林若婵; 刘湖辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-02-02
Anticipated expiration: 2030-05-22

Abstract

The utility model belongs to the field of protective film production, in particular to a high-efficiency cutting device for producing a protective film of an LED backlight source, which comprises a cutting table and a fixed frame, wherein the fixed frame is provided with a cutting assembly, the fixed frame is fixedly connected to the upper end surface of the cutting table, the cutting table is provided with eight slots, and one of the slots is internally and slidably connected with a baffle; it is spacing with the protection film through first roller set and second roller set, thereby need not the manual support location of operating personnel, the security when the cutting has been improved, can insert the baffle during the slot according to the length of demand cutting this moment, then operating personnel is through the outer wall contact of rotatable first roller set and second roller set with the direct pulling of membrane head and baffle, cut the protection film through the cutting subassembly, continue the cutting operation that can carry out next time of pulling the outer wall of membrane head contact baffle after the cutting is accomplished, it all needs artifical length measurement to the protection film to cut every time.

Description

Efficient cutting device is used in production of LED backlight protection film

Technical Field

The utility model belongs to protection film production field specifically is a high-efficient cutting device is used in production of LED backlight protection film.

Background

The backlight source is a light source positioned at the back of the liquid crystal display, the luminous effect of the backlight source directly influences the visual effect of the liquid crystal display module, in the design of the backlight source, the selection of the used light source is very important, the used light source determines the photoelectric parameters of the backlight source such as power consumption, brightness, color and the like, and also determines the characteristics of the backlight source such as use condition, service life and the like, the protective film is gradually a general name of the screen protective film, the function of the protective film in the field of the screen protective film is also eight-five-door, the materials are from the earliest PP material to the current popular AR material, when the LED backlight source is produced, the protective film needs to be attached to the surface of the backlight source, and the backlight source film cutting device is an accessory device which cuts the black and white film attached to the backlight source in the production process of the backlight source so as to better obtain the black and white films with the.

The manual work is measured cutting distance when current backlight protection film cuts mostly, and this just makes all will control the length of protection film before cutting every time, cuts inefficiency, and needs the manual work to support the protection film fixed to make cutting efficiency reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-efficient cutting device is used in production of LED backlight protection film to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-efficiency cutting device for producing a LED backlight protection film comprises a cutting table and a fixing frame, wherein the fixing frame is provided with a cutting assembly, the fixing frame is fixedly connected to the upper end face of the cutting table, the cutting table is provided with eight slots, one slot is internally and slidably connected with a baffle, one side wall of the cutting table is fixedly connected with a connecting frame, the connecting frame is provided with two through slots which are symmetrically distributed, a first roller set and a second roller set are arranged in the connecting frame, the first roller set is slidably connected to the inner wall of the connecting frame, the second roller set is fixedly connected to the inner wall of the connecting frame, the top of the first roller set is fixedly connected with a connecting block, the connecting block is slidably connected to the inner side of the connecting frame, the top of the connecting block is fixedly connected with a pulling handrail, and one side of, the support frame is provided with a feeding roller.

As a further aspect of the present invention: the inner wall of the slot is provided with a rubber layer.

As a further aspect of the present invention: and a Teflon coating is sprayed on the upper end surface of the cutting table.

As a further aspect of the present invention: the inner wall both sides of link have all been seted up the spout, the both ends of connecting block sliding connection respectively in two in the spout.

As a further aspect of the present invention: the upper end face of the connecting block is fixedly connected with two elastic pieces which are symmetrically distributed, and the tops of the two elastic pieces are fixedly connected with the inner walls of the sliding grooves respectively.

As a further aspect of the present invention: and the upper end face of the cutting table is provided with a cutting groove.

As a further aspect of the present invention: the elastic piece is a compression spring.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses set up the protection film book cover on the feed roll of support frame upper end earlier during the cutting, then draw the membrane head of protection film book and pass left logical groove, then upwards draw the pulling handrail through the staff and make the position that the connecting block drove first roller set rise, later wear out the protection film membrane head from the logical groove on right side from pulling out between first roller set and the second roller set, later the staff can loosen the pulling handrail and make the elastic component kick-back drive first roller set to the direction removal of second roller set, spacing the protection film through first roller set and second roller set, thereby need not the manual location of holding of operating personnel, the security when having improved the cutting, can insert the baffle in the slot according to the length of demand cutting at this moment, then operating personnel directly draws the membrane head through rotatable first roller set and second roller set and contact with the outer wall of baffle, cut the protection film through the cutting subassembly, the outer wall that continues to pull membrane head contact baffle after the cutting is accomplished can carry out the cutting operation of next time, need not to cut every time and all need artifical length measurement to the protection film.

Drawings

FIG. 1 is a schematic structural diagram of an efficient cutting device for producing an LED backlight protection film;

FIG. 2 is a cross-sectional side view of a connecting frame in an efficient cutting apparatus for producing an LED backlight protection film;

FIG. 3 is a schematic structural diagram of a cutting table in an efficient cutting device for producing an LED backlight protection film;

fig. 4 is an enlarged view of a portion a in fig. 1.

In the figure: 1. cutting table; 101. cutting the groove; 11. a slot; 111. a rubber layer; 12. a baffle plate; 2. a fixed mount; 21. a cutting assembly; 3. a connecting frame; 301. a through groove; 31. a chute; 311. an elastic member; 4. a first roller set; 41. connecting blocks; 42. pulling the handrail; 5. a support frame; 51. a feed roller; 6. a second set of rollers.

Detailed Description

Referring to fig. 1 to 4, in the embodiment of the present invention, a high efficiency cutting device for producing a protective film of an LED backlight source comprises a cutting table 1 and a fixing frame 2, wherein the fixing frame 2 is provided with a cutting assembly 21, the fixing frame 2 is fixedly connected to the upper end surface of the cutting table 1, the cutting table 1 is provided with eight slots 11, one of the slots 11 is slidably connected with a baffle 12, a side wall of the cutting table 1 is fixedly connected with a connecting frame 3, the connecting frame 3 is provided with two through grooves 301 which are symmetrically distributed, a first roller set 4 and a second roller set 6 are arranged in the connecting frame 3, the first roller set 4 is slidably connected to the inner wall of the connecting frame 3, the second roller set 6 is fixedly connected to the inner wall of the connecting frame 3, the top of the first roller set 4 is fixedly connected with a connecting block 41, the connecting block 41 is slidably connected to the inner side of the connecting frame, the support frame 5 is provided with a feed roller 51; the first roller set 4 and the second roller set 6 are both composed of a rotating roller and a connecting seat, the cutting assembly 21 is composed of an air cylinder and a cutting tool bit, when cutting, the protective film roll is firstly sleeved on the feeding roller 51 of the supporting frame 5, then the film head of the protective film roll is pulled to pass through the through groove 301 on the left side, then the pulling handrail 42 is pulled upwards by a human hand to enable the elastic piece 311 to contract, so that the connecting block 41 and the first roller set 4 are driven to rise, then the protective film head is pulled out from the through groove 301 on the right side from the position between the first roller set 4 and the second roller set 6 to penetrate out, then the pulling handrail 42 can be released by the human hand, the elastic piece 311 rebounds to drive the first roller set 4 to move towards the direction of the second roller set 6, at the moment, the protective film is positioned between the first roller set 4 and the second roller set 6, the protective film is limited by the first roller set 4 and, the safety during cutting is improved, the cutting distance can be adjusted through the eight slots 11, the baffle 12 is inserted into the slots 11 at the corresponding positions according to the cutting length required, the operator can then pull the film head directly into contact with the outer wall of the baffle 12 to quickly complete the cut length alignment, when the protective film is not pulled by a human hand, the first roller group 4 and the second roller group 6 rotate along with the pulling of the protective film, the pulling of the protective film by the human hand is not influenced, when the hand stops pulling the protective film, the first roller group 4 and the second roller group 6 can stop rotating along with the stop of the hand to continue limiting the protective film, then, the cutting tool head can be pushed by the air cylinder in the cutting assembly 21 to cut the protective film, the outer wall of the film head contact baffle 12 is continuously pulled after the cutting is finished, the next cutting operation can be carried out, and the length of the protective film is not required to be controlled before each cutting.

In fig. 1 and 3: the inner wall of the slot 11 is provided with a rubber layer 111, and the upper end surface of the cutting table 1 is sprayed with a Teflon coating; the rubber layer 111 has the function of increasing the friction force after the baffle 12 is inserted into the slot 11, the stability of the baffle 12 after being inserted is improved, and the Teflon coating has non-stick property, so that the protective film is prevented from being attached to the upper end face of the cutting table 1 and then being difficult to take down.

In fig. 2 and 4: the two sides of the inner wall of the connecting frame 3 are both provided with sliding grooves 31, the two ends of the connecting block 41 are respectively connected in the two sliding grooves 31 in a sliding manner, the upper end surface of the connecting block 41 is fixedly connected with two elastic pieces 311 which are symmetrically distributed, the tops of the two elastic pieces 311 are respectively fixedly connected with the inner walls of the two sliding grooves 31, and the elastic pieces 311 are compression springs; establish the protection film roll cover on the feed roll 51 of support frame 5 during the cutting earlier, then draw the membrane head of protection film roll and pass left logical groove 301, then will draw handrail 42 upwards to draw through the people hand and make elastic component 311 shrink, thereby drive the position of connecting block 41 and first roller set 4 and rise, later wear out the protection film membrane head from drawing out between first roller set 4 and the second roller set 6 in the logical groove 301 on right side, later people hand can loosen and draw handrail 42, make elastic component 311 kick-back drive first roller set 4 to the direction removal of second roller set 6, the protection film is located position between first roller set 4 and the second roller set 6 this moment, it is spacing with the protection film through first roller set 4 and second roller set 6, thereby need not the manual location of holding up of operating personnel, security during the cutting has been improved.

In fig. 1: the upper end surface of the cutting table 1 is provided with a cutting groove 101; when the protective film is cut, the cylinder in the cutting assembly 21 pushes the cutter head to be meshed with the cutting groove 101, so that the protective film is cut off.

The utility model discloses a theory of operation is: when cutting, the protective film roll is sleeved on the feeding roller 51 of the support frame 5, the film head of the protective film roll is pulled to penetrate through the through groove 301 on the left side, the pulling handrail 42 is pulled upwards by a hand to enable the positions of the connecting block 41 and the first roller set 4 to be raised, the protective film head is pulled out from the space between the first roller set 4 and the second roller set 6 and penetrates out from the through groove 301 on the right side, the pulling handrail 42 can be released by the hand, the elastic piece 311 rebounds to drive the first roller set 4 to move towards the direction of the second roller set 6, the protective film is positioned between the first roller set 4 and the second roller set 6 at the moment, the protective film is limited by the first roller set 4 and the second roller set 6, so that an operator does not need to manually hold and position, the safety during cutting is improved, the cutting distance can be adjusted by the eight slots 11, the baffle 12 is inserted into the slots 11 at the corresponding position according to the required cutting length, then operating personnel can accomplish the alignment of cutting length fast with the outer wall contact of the direct pulling of membrane head and baffle 12, when the staff did not draw and draw the protection film, first roller set 4 and second roller set 6 can rotate along with drawing of protection film, can not influence the pulling of staff protection film, when the staff stopped drawing to the protection film, first roller set 4 and second roller set 6 can no longer rotate along with stopping of staff and continue to carry on spacingly to the protection film, then can promote the cutting head through the cylinder in the cutting subassembly 21 and cut the protection film, the outer wall that continues pulling membrane head contact baffle 12 after the cutting was accomplished can carry out next cutting operation, need not to measure the length of protection film before cutting every time all artifically.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a high-efficient cutting device is used in production of LED backlight protection film, includes cutting bed (1) and mount (2), mount (2) are equipped with cutting assembly (21), its characterized in that, mount (2) fixed connection in the up end of cutting bed (1), eight slots (11) have been seted up in cutting bed (1), one of them sliding connection has baffle (12) in slot (11), a lateral wall fixed connection of cutting bed (1) has link (3), link (3) are seted up two logical grooves (301) that are symmetric distribution, be equipped with first roller set (4) and second roller set (6) in link (3), first roller set (4) sliding connection in the inner wall of link (3), second roller set (6) fixed connection in the inner wall of link (3), the top fixedly connected with connecting block (41) of first roller set (4), connecting block (41) sliding connection in the inboard of link (3), the top fixedly connected with pulling handrail (42) of connecting block (41), outer wall one side fixedly connected with support frame (5) of cutting bed (1), support frame (5) are equipped with feed roll (51).

2. The efficient cutting device for producing the protective film of the LED backlight source as claimed in claim 1, wherein the inner wall of the slot (11) is provided with a rubber layer (111).

3. The efficient cutting device for producing the LED backlight source protective film according to claim 1, wherein a Teflon coating is sprayed on the upper end surface of the cutting table (1).

4. The efficient cutting device for the production of the LED backlight protection film according to claim 1, wherein sliding grooves (31) are formed in both sides of the inner wall of the connecting frame (3), and both ends of the connecting block (41) are respectively connected in the two sliding grooves (31) in a sliding manner.

5. The efficient cutting device for the production of the LED backlight protection film according to claim 4, wherein two elastic members (311) are symmetrically distributed and fixedly connected to the upper end face of the connecting block (41), and the tops of the two elastic members (311) are respectively and fixedly connected to the inner walls of the two sliding grooves (31).

6. The efficient cutting device for producing the LED backlight source protective film according to claim 1, wherein a cutting groove (101) is formed in the upper end face of the cutting table (1).

7. The efficient cutting device for producing the LED backlight source protective film according to claim 5, wherein the elastic member (311) is a compression spring.