CN110394833B - Light guide sheet cutting mechanism - Google Patents
Light guide sheet cutting mechanism Download PDFInfo
- Publication number
- CN110394833B CN110394833B CN201910744852.4A CN201910744852A CN110394833B CN 110394833 B CN110394833 B CN 110394833B CN 201910744852 A CN201910744852 A CN 201910744852A CN 110394833 B CN110394833 B CN 110394833B
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- Prior art keywords
- blade
- light guide
- cutting mechanism
- connecting seat
- frame
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
- B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
- B26D1/04—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member
- B26D1/06—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates
- B26D1/08—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type
- B26D1/09—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members
- B26D1/095—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a linearly-movable cutting member wherein the cutting member reciprocates of the guillotine type with a plurality of cutting members for thin material, e.g. for sheets, strips or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D5/00—Arrangements for operating and controlling machines or devices for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D5/02—Means for moving the cutting member into its operative position for cutting
- B26D5/04—Means for moving the cutting member into its operative position for cutting by fluid pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
- B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/26—Means for mounting or adjusting the cutting member; Means for adjusting the stroke of the cutting member
- B26D7/2628—Means for adjusting the position of the cutting member
Abstract
The invention provides a light guide plate cutting mechanism which comprises two bilaterally symmetrical material loading platforms and two bilaterally symmetrical blade assemblies; each material carrying platform comprises a base, a cutter holder capable of moving left and right, a fixed plate fixed on the base and a compression spring connected between the cutter holder and the fixed plate; the upper surface of each tool apron is a horizontal plane, the side surface of each tool apron facing to the other tool apron is a vertical plane, and the vertical planes of the two tool aprons facing to each other are parallel to each other; each blade component comprises a blade, a connecting seat arranged on one side of the blade opposite to the other blade component, a tension spring connected between the blade and the connecting seat, and a sliding rod which is arranged on the connecting seat in a sliding and penetrating way; one end of the sliding rod penetrates through the tension spring and is fixedly connected with the blade, and the connecting seat can move left and right and up and down. The cutting mechanism for cutting the light guide sheet has high working efficiency, low risk and accurate positioning, and can avoid trimming and fluffing, burrs or burrs.
Description
Technical Field
The invention relates to the technical field of light guide sheet production, in particular to a light guide sheet cutting mechanism.
Background
The light guide sheet is an important component in a backlight source of the liquid crystal display screen and is used for diffusing light emitted by an LED lamp in the backlight source to all angles, and the light guide sheet is generally an acrylic/PC board.
The light guide plate is generally produced by injection molding, and as shown in fig. 4, a product (hereinafter referred to as a light guide plate to be cut 90) obtained after mold opening comprises four light guide plates 1 ', an H-shaped connecting part 2 ' connected between the four light guide plates 1 ', and an injection molding opening rod 3 ' connected with the H-shaped connecting part 2 '; wherein the H-shaped connecting part 2 'is cooled by the material remaining in the runner in the mold, and the gate bar 3' is cooled by the material remaining in the gate of the mold. The light guide sheet 1 'is separated by cutting at the cutting line 4' to obtain the final product.
Generally when carrying out the cutting process, it cuts to be held by hand by the manual work cutting work piece, this kind of cutting mode, working strength is big, require highly to workman's proficiency, still has the danger of mechanical injury people in addition, needs the manual work to fix a position cutting line 4' during the cutting, and work efficiency is low and fix a position inaccurate easily and lead to cutting mistake formation waste product, and the manual cutting appears cutting edge fluff, deckle edge or burr scheduling problem easily moreover.
It is seen that the prior art is susceptible to improvements and enhancements.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a light guide sheet cutting mechanism, which aims to solve the problems of low working efficiency, high danger, inaccurate positioning and edge cutting fuzzing, rough edges or burrs caused by manual cutting of a light guide sheet in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a light guide plate cutting mechanism comprises two bilaterally symmetrical material loading platforms and two blade assemblies which are bilaterally symmetrically arranged above the two material loading platforms; each material carrying platform comprises a base, a cutter holder which is arranged at the top of the base and is close to one side of the other material carrying platform in a left-right moving mode, a fixed plate which is fixed at the other side of the base, and a compression spring which is connected between the cutter holder and the fixed plate; the upper surface of each tool apron is a horizontal plane, the side surface of each tool apron facing to the other tool apron is a vertical plane, and the vertical planes of the two tool aprons facing to each other are parallel to each other; each blade component comprises a blade, a connecting seat arranged on one side of the blade opposite to the other blade component, a tension spring connected between the blade and the connecting seat, and a sliding rod which is arranged on the connecting seat in a sliding and penetrating way; one end of the sliding rod penetrates through the tension spring and is fixedly connected with the blade, and the connecting seat can move left and right and up and down.
In the light guide sheet cutting mechanism, the tool apron is rectangular.
The light guide plate cutting mechanism further comprises a liftable frame, the two blade assemblies are arranged in the frame, and each connecting seat is driven to move left and right by an air cylinder fixed on the frame.
In the light guide sheet cutting mechanism, two guide rods extending left and right are arranged in the frame, and the two connecting seats are sleeved on the two guide rods in a sliding manner.
In the light guide sheet cutting mechanism, two tension springs and two slide bars are arranged between each blade and the corresponding connecting seat, and the two slide bars are symmetrically arranged on two sides of the piston rod of the corresponding air cylinder.
In the light guide sheet cutting mechanism, the frame is driven to ascend and descend by two ascending and descending air cylinders.
In the light guide sheet cutting mechanism, piston rods of two lifting cylinders are respectively connected to two corners of one diagonal line of the frame, and two corners of the other diagonal line of the frame are respectively inserted with a guide pillar in a sliding manner.
In the light guide sheet cutting mechanism, the guide rail is arranged on the upper surface of the base, and the bottom of the cutter holder is in sliding connection with the guide rail.
In the light guide plate cutting mechanism, a sliding column penetrates through the fixed plate in a sliding mode, and the compression spring is sleeved on the sliding column.
In the light guide sheet cutting mechanism, a limiting block is arranged on one side, facing the cutter holder, of the fixing plate so as to limit the displacement of the cutter holder.
Has the advantages that:
the invention provides a light guide sheet cutting mechanism, wherein when cutting is carried out, two sides of a light guide sheet to be cut are respectively placed on two tool apron, then two blade assemblies move downwards until the cutting edge at the lower end of the blade is slightly lower than the upper surface of the tool apron, then the two blade assemblies move in opposite directions to enable the blade to be abutted against the side surface of the corresponding tool apron and the light guide sheet, at the moment, the elasticity of a compression spring, the tension of a tension spring and the reaction force in an H-shaped connecting part can reach the force balance, so that the cutting edge of the blade, the side surface of the tool apron and the cutting line of the light guide sheet to be cut are aligned closely, the phenomenon that the edge cutting is fluffed, rough edges or burrs during cutting can be avoided, and finally the blade assemblies. Compared with manual cutting, the cutting mechanism for cutting the light guide sheet is high in working efficiency, low in danger, accurate in positioning and capable of avoiding trimming fuzzing, burrs or burrs.
Drawings
Fig. 1 is a schematic structural diagram of a light guide sheet cutting mechanism provided in the present invention.
FIG. 2 is a diagram illustrating a connection structure between a blade assembly and a frame in the light guide cutting mechanism according to the present invention.
Fig. 3 is a schematic structural diagram of a material loading table in the light guide sheet cutting mechanism provided by the present invention.
FIG. 4 is a schematic diagram of a light guide to be cut.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
The following disclosure provides embodiments or examples for implementing different configurations of the invention. To simplify the disclosure of the present invention, the components and arrangements of specific examples are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, the present invention provides examples of various specific processes and materials, but one of ordinary skill in the art may recognize applications of other processes and/or uses of other materials.
For convenience of description, the left and right in this document correspond to the left and right direction in fig. 1.
Referring to fig. 1-3, the light guide plate cutting mechanism provided by the present invention includes two bilaterally symmetrical material loading platforms 1, and two blade assemblies 2 disposed bilaterally symmetrically above the two material loading platforms; each material loading platform 1 comprises a base 1.1, a cutter holder 1.2 which is arranged at the top of the base and is close to one side of the other material loading platform 1 in a left-right moving manner, a fixed plate 1.3 which is fixed at the other side of the base, and a compression spring 1.4 which is connected between the cutter holder 1.2 and the fixed plate 1.3; the upper surface of the holder 1.2 is a horizontal plane, the side facing the other holder (hereinafter this side is referred to as edge face a) is a vertical plane, and the vertical planes (i.e. edge faces a) of the two holders facing each other are parallel to each other (here the edge between edge face a and the top face is the edge that cooperates with the edge of the blade 2.1 to generate a shearing force); each blade component 2 comprises a blade 2.1 (the cutting edge of which faces downwards), a connecting seat 2.2 arranged on one side of the blade opposite to the other blade component 2, a tension spring 2.3 connected between the blade 2.1 and the connecting seat 2.2, and a sliding rod 2.4 slidably arranged on the connecting seat 2.2 in a penetrating way; one end of the slide bar 2.4 penetrates through the tension spring 2.3 and is fixedly connected with the blade 2.1, and the connecting seat 2.2 can move left and right and up and down.
When cutting is carried out, two sides of the light guide plate 90 to be cut are respectively placed on the two tool holders 1.2 (the two tool holders respectively support the two light guide plates 1 '), then the two blade assemblies 2 move downwards until the cutting edge at the lower end of the blade 2.1 is slightly lower than the upper surfaces of the tool holders, then the two blade assemblies move in opposite directions to enable the blade 2.1 to be abutted against the side surfaces (the blade surfaces a) of the corresponding tool holders and the light guide plate 1 ', at the moment, the elasticity of the compression spring 1.4, the tension of the tension spring 2.3 and the reaction force in the H-shaped connecting part 2 ' can reach the balance of forces, so that the cutting edge of the blade, the side surfaces (the blade surfaces a) of the tool holders and the cutting line 4 ' of the light guide plate to be cut are strictly aligned (even if the light guide plate 90 to be cut is placed and not aligned, the two blade assemblies 2 move outwards simultaneously, the cutting line 4 ' can be finally aligned, Rough edges or burrs, and finally the blade assembly moves downwards continuously and simultaneously cuts off the connection between the H-shaped connecting part and all the light guide plates. Compared with manual cutting, the cutting mechanism for cutting the light guide sheet is high in working efficiency, low in danger, accurate in positioning and capable of avoiding trimming fuzzing, burrs or burrs.
In this embodiment, as shown in fig. 3, the tool holders 1.2 are rectangular, and the two tool holders 1.2 have opposite side surfaces that are parallel to each other. The shape of the holder 1.2 is not limited to this, and may be trapezoidal (two holders are arranged with their bottom sides facing each other), semicircular (two holders are arranged with their straight sides facing each other), or the like.
In some embodiments, see fig. 2, the light guide cutting mechanism further includes a liftable frame 3, the two blade assemblies 2 are disposed in the frame 3, and each connecting seat 2.2 is driven to move left and right by an air cylinder 4 fixed on the frame 3. The blade component 2 is driven to lift by the lifting of the frame 3, and the blade component 2 is driven to move left and right by the cylinder 4.
Furthermore, two guide rods 3.1 extending left and right are arranged in the frame 3, and the two connecting seats 2.2 are sleeved on the two guide rods 3.1 in a sliding manner. Guide connecting seat 2.2 through guide bar 3.1, can guarantee that connecting seat 2.2's direction of motion is correct to avoid connecting seat 2.2 to take place to deflect and lead to cylinder 4 impaired.
Preferably, the tension spring 2.3 and the two sliding rods 2.4 between each blade 2.1 and the corresponding connecting seat 2.2 are arranged, and the two sliding rods 2.4 are symmetrically arranged on two sides of the piston rod of the corresponding air cylinder 4. To avoid rotation and deflection of the blade 2.1 and thus ensure correct cutting direction.
In some embodiments, the frame 3 is driven to move up and down by two lifting cylinders 5, as shown in fig. 2. But not limited to this, the frame 3 is driven by a screw transmission pair, a rack and pinion transmission mechanism, a belt, a chain, etc. to move up and down.
Furthermore, piston rods of the two lifting cylinders 5 are respectively connected to two corners of one diagonal line of the frame 3, and two corners of the other diagonal line of the frame 3 are respectively inserted with a guide pillar 6 in a sliding manner. By arranging the lifting cylinder 5 and the guide pillars 6 in the mode, the number of the guide pillars 6 is reduced while the frame 3 is kept horizontal, and the assembly difficulty is reduced.
In this embodiment, as shown in fig. 3, the upper surface of the base 1.1 is provided with a guide rail 1.1a, and the bottom of the tool holder 1.2 is slidably connected with the guide rail 1.1a to ensure that the base 1.1 strictly moves in the left-right direction. Preferably, the guide rail 1.1a is a T-shaped guide rail, two guide rails 1.1a are arranged on the upper surface of the base 1.1, and a corresponding T-shaped sliding groove is arranged at the bottom of the tool apron 1.2.
Furthermore, a sliding column 1.5 is slidably arranged on the fixing plate 1.3 in a penetrating manner, and the compression spring 1.4 is sleeved on the sliding column 1.5. Preferably, the end of the sliding column 1.5 is provided with a limit stop 1.5a to prevent the tool holder 1.2 from being separated from the base 1.1.
In addition, a limiting block 1.6 is arranged on one side of the fixing plate 1.3 facing the tool apron 1.2 to limit the displacement of the tool apron 1.2
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, which are substantially the same as the present invention.
Claims (10)
1. A light guide plate cutting mechanism is characterized by comprising two bilaterally symmetrical material loading platforms and two blade assemblies which are bilaterally symmetrically arranged above the two material loading platforms; each material carrying platform comprises a base, a cutter holder which is arranged at the top of the base and is close to one side of the other material carrying platform in a left-right moving mode, a fixed plate which is fixed at the other side of the base, and a compression spring which is connected between the cutter holder and the fixed plate; the compression spring is used for applying pushing force to the tool apron towards the other tool apron; the upper surface of each tool apron is a horizontal plane, the side surface of each tool apron facing to the other tool apron is a vertical plane, and the vertical planes of the two tool aprons facing to each other are parallel to each other; each blade component comprises a blade, a connecting seat arranged on one side of the blade opposite to the other blade component, a tension spring connected between the blade and the connecting seat, and a sliding rod which is arranged on the connecting seat in a sliding and penetrating way; the tension spring is used for applying tension to the blade to back to the other blade; one end of the sliding rod penetrates through the tension spring and is fixedly connected with the blade, and the connecting seat can move left and right and up and down.
2. The light guide plate cutting mechanism of claim 1, wherein the blade seat is rectangular.
3. The light guide cutting mechanism of claim 1, further comprising a liftable frame, wherein the two blade assemblies are disposed in the frame, and each connecting seat is driven to move left and right by an air cylinder fixed to the frame.
4. The light guide plate cutting mechanism of claim 3, wherein two left and right extending guide rods are disposed in the frame, and the two connecting bases are slidably fitted over the two guide rods.
5. The light guide plate cutting mechanism of claim 4, wherein two tension springs and two slide bars are provided between each blade and the corresponding connecting seat, and the two slide bars are symmetrically provided on both sides of the piston rod of the corresponding air cylinder.
6. The light guide cutting mechanism of claim 3, wherein the frame is raised and lowered by two lift cylinders.
7. The light guide plate cutting mechanism of claim 6, wherein the piston rods of the two lifting cylinders are respectively connected to two corners of one diagonal line of the frame, and a guide post is slidably inserted into each of the two corners of the other diagonal line of the frame.
8. The light guide plate cutting mechanism of claim 1, wherein the base has a guide rail on an upper surface thereof, and the bottom of the blade holder is slidably connected to the guide rail.
9. The light guide plate cutting mechanism of claim 1, wherein a sliding column is slidably disposed through the fixing plate, and the compression spring is disposed on the sliding column.
10. The light guide plate cutting mechanism of claim 1, wherein a stopper is disposed on a side of the fixing plate facing the tool holder to limit displacement of the tool holder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744852.4A CN110394833B (en) | 2019-08-13 | 2019-08-13 | Light guide sheet cutting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910744852.4A CN110394833B (en) | 2019-08-13 | 2019-08-13 | Light guide sheet cutting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110394833A CN110394833A (en) | 2019-11-01 |
| CN110394833B true CN110394833B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910744852.4A Active CN110394833B (en) | 2019-08-13 | 2019-08-13 | Light guide sheet cutting mechanism |
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| CN (1) | CN110394833B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110815322B (en) * | 2019-11-19 | 2021-04-27 | 湖南刘文龙生物医药有限责任公司 | Automatic slicer for biological medicine research experiments |
| CN111558743B (en) * | 2020-05-28 | 2021-06-18 | 广东省华显新材料科技有限公司 | Electrode slice processing equipment |
| CN113733005B (en) * | 2020-05-29 | 2023-03-14 | 三赢科技（深圳）有限公司 | Cutter assembly |
| CN115056289B (en) * | 2022-06-07 | 2023-09-15 | 江西晨隆科技有限公司 | Acrylic plate cutting device for building and cutting method thereof |
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| KR20100007251U (en) * | 2009-01-07 | 2010-07-15 | (주)모아 | Swich Double edged Cutting Jig For Light Guide Panel Gate |
| CN204221818U (en) * | 2014-10-23 | 2015-03-25 | 东莞市湘江电子科技有限公司 | Cutter plece-cliped type light guide plate mouth of a river buster |
| CN205630844U (en) * | 2015-12-08 | 2016-10-12 | 惠州市德赛自动化技术有限公司 | Light guide plate shearing equipment |
| CN206201044U (en) * | 2016-11-25 | 2017-05-31 | 深圳市百冠电池有限公司 | A kind of general aluminum plastic film cutting means of polymer battery |
| CN208714163U (en) * | 2018-07-18 | 2019-04-09 | 东莞市门萨匠智能科技有限公司 | The cutting means of light guide plate |
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2019
- 2019-08-13 CN CN201910744852.4A patent/CN110394833B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100007251U (en) * | 2009-01-07 | 2010-07-15 | (주)모아 | Swich Double edged Cutting Jig For Light Guide Panel Gate |
| CN204221818U (en) * | 2014-10-23 | 2015-03-25 | 东莞市湘江电子科技有限公司 | Cutter plece-cliped type light guide plate mouth of a river buster |
| CN205630844U (en) * | 2015-12-08 | 2016-10-12 | 惠州市德赛自动化技术有限公司 | Light guide plate shearing equipment |
| CN206201044U (en) * | 2016-11-25 | 2017-05-31 | 深圳市百冠电池有限公司 | A kind of general aluminum plastic film cutting means of polymer battery |
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| CN110394833A (en) | 2019-11-01 |
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