Light guide plate cutting mechanism

Abstract

The utility model relates to the technical field of cutting mechanisms, and provides a light guide plate cutting mechanism which comprises a workbench, a cutting structure and an installation structure used for installing a light guide plate are arranged on the workbench, and the installation structure is located below the cutting structure and fixedly connected with the workbench. The mounting structure comprises a base and a plurality of mounting bodies, the mounting bodies are symmetrically distributed on the base with the base as the center, the mounting bodies are in sliding connection with the base, the base is fixedly connected to the workbench, and clamping assemblies are arranged on the mounting bodies; the cutting structure comprises a supporting frame, a cutting tool magazine and a plurality of cutting tools, the supporting frame is fixedly connected to the base, the cutting tool magazine is fixedly connected with the supporting frame, and all the cutting tools are connected into the cutting tool magazine in a sliding mode. According to the technical scheme, the influence of human factors on the cutting work is reduced, and therefore the cutting efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting mechanisms, and in particular to a light guide plate cutting mechanism. Background Art

[0002] Light guide plates generally refer to high-tech plates made of optical-grade acrylic or PC materials. In order to improve the production efficiency of light guide plates and save materials, light guide plates are usually made by injection molding.

[0003] Since there are multiple cavities inside the mold used for injection molding and there are connecting cavities between adjacent cavities, the light guide plate is still a semi-finished product after demolding and needs to be cut to remove excess parts. At present, the cutting of light guide plates is mostly done by stamping and cutting methods such as desktop manual punching machines. During the cutting process, it is easily affected by human factors such as operator fatigue, resulting in errors in the cutting position. Even because of the need to manually fix the light guide plate, the staff may be injured during the cutting process, causing safety accidents, and the cutting efficiency is not high. Utility Model Content

[0004] The utility model provides a light guide plate cutting mechanism, which reduces the influence of human factors on the cutting work, thereby improving the cutting efficiency.

[0005] The technical solution of the utility model is as follows:

[0006] A light guide plate cutting mechanism comprises a workbench, on which a cutting structure and a mounting structure for mounting a light guide plate are provided, the mounting structure being located below the cutting structure and fixedly connected to the workbench; the mounting structure comprises a base and a plurality of mounting bodies, each of the mounting bodies being symmetrically distributed on the base with the base as the center, and each of the mounting bodies being slidably connected to the base, the base being fixedly connected to the workbench, and each of the mounting bodies being provided with a clamping assembly; the cutting structure comprises a support frame, a cutting tool magazine, and a plurality of cutting knives, the support frame being fixedly connected to the base, the cutting tool magazine being fixedly connected to the support frame, and each of the cutting knives being slidably connected in the cutting tool magazine.

[0007] Furthermore, the clamping assembly includes a clamping body and a first cylinder for pushing the clamping body to contact the light guide plate, the first cylinder is fixedly connected to the mounting body, the clamping body is slidably connected to the mounting body, the clamping body is linked to the first cylinder, and the longitudinal section of the clamping body is an inverted "L"-shaped structure.

[0008] Furthermore, each of the mounting bodies is provided with a limit assembly, each of the limit assemblies includes a plurality of limit blocks and a plurality of correction columns, each of the limit blocks and each of the correction columns are symmetrically distributed with the clamping body as the center, each of the correction columns and each of the limit blocks are fixedly connected to the mounting body, and each of the correction columns is located between adjacent limit blocks.

[0009] Furthermore, the mounting body includes a sliding portion and a mounting portion, the sliding portion and the mounting portion are integrally formed, the mounting portion is located above the sliding portion, the sliding portion is slidably connected to the base, the width dimension of the mounting portion is shorter than the width dimension of the sliding portion, the cutting knife is located between the mounting portion and the correction column, and each of the limit blocks is fixedly connected to the mounting portion.

[0010] Furthermore, a sliding assembly for driving the mounting body to slide is provided between each of the mounting bodies and the base, the sliding assembly includes a screw rod, a drive motor, and a plurality of rotating frames, each of the rotating frames is arranged in sequence along a linear direction and is fixedly connected to the base, the sliding portion is threadedly connected to the screw rod, the screw rod is rotatably connected to each rotating frame, the screw rod is linked to the output shaft of the drive motor, and the drive motor is fixedly connected to the base.

[0011] Furthermore, a material withdrawal groove is provided between adjacent mounting bodies, the material withdrawal groove penetrates the base, and a material taking port is provided on the side wall of the workbench, and the material taking port is communicated with the material withdrawal groove.

[0012] Furthermore, each of the cutting knives includes a lifting handle and a cutting knife body, the cutting knife body is integrally formed with the lifting handle, the lifting handle is slidably connected to the cutting knife magazine, a second cylinder is provided between the cutting knife magazine and the lifting handle to move the lifting handle, the end of the lifting handle away from the cutting knife body is linked to the second cylinder, and the second cylinder is fixedly connected to the cutting knife magazine.

[0013] Furthermore, each of the mounting bodies is provided with a cylinder manipulator for pressing and grabbing the light guide plate.

[0014] The working principle and beneficial effects of the utility model are:

[0015] 1. In the utility model, the cutting structure and the mounting structure cooperate with each other to achieve the cutting of the semi-finished product of the light guide plate: the mounting structure includes a base and a plurality of mounting bodies, each mounting body is slidably connected to the base, and cooperates with the clamping assembly on the mounting body so that the mounting body can fix the light guide plate during the sliding process, so that the plurality of cutting knives in the cutting structure can punch and cut off the parts to be cut on the light guide plate in sequence, thereby improving the cutting efficiency.

[0016] 2. The cutting structure of the utility model is provided with a plurality of cutting knives, thereby avoiding the situation where there is only one cutting knife in the cutting structure. When cutting work needs to be performed at multiple positions, the position of the cutting structure needs to be moved, thereby affecting the cutting efficiency; each cutting knife is located at a designated position one by one, and each cutting knife only needs to be lifted and lowered to complete the cutting of the semi-finished product of the light guide plate, thereby ensuring the cutting efficiency of the cutting structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0018] Figure 1 It is a structural schematic diagram of this embodiment;

[0019] Figure 2 is a schematic diagram of the internal structure of this embodiment;

[0020] Figure 3 for Figure 2 A partial enlarged view of the middle AA;

[0021] Figure 4 is a schematic diagram of the installation structure and the cutting structure in this embodiment;

[0022] Figure 5 This is a schematic diagram of the structure of the mounting structure and the support frame in this embodiment;

[0023] Figure 6 for Figure 5 sectional view of .

[0024] In the figure:

[0025] 1. Workbench; 2. Cutting structure; 21. Support frame; 22. Cutting tool magazine; 23. Cutting knife; 231. Lifting handle; 232. Cutting knife body; 3. Mounting structure; 31. Base; 32. Mounting body; 321. Sliding part; 322. Mounting part; 4. Clamping assembly; 41. Clamping body; 42. First cylinder; 5. Limiting assembly; 51. Limiting block; 52. Correction column; 6. Sliding assembly; 61. Screw rod; 62. Driving motor; 63. Rotating frame; 7. Material return trough; 8. Material taking port; 9. Second cylinder; 10. Cylinder manipulator. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1-2As shown, the present embodiment proposes a light guide plate cutting mechanism, comprising a workbench 1, on which a cutting structure 2 and a mounting structure 3 for mounting the light guide plate are provided, the mounting structure 3 is located below the cutting structure 2 and is fixedly connected to the workbench 1, that is, after the mounting structure 3 has fixed the light guide plate, the cutting structure 2 is activated to cut the light guide plate: the mounting structure 3 comprises a base 31 and a plurality of mounting bodies 32, the base 31 is fixedly connected to the workbench 1, each mounting body 32 is symmetrically distributed on the base 31 with the base 31 as the center, and each mounting body 32 is slidably connected to the base 31, that is, the light guide plate is gradually fixed during the sliding process of each mounting body 32, so as to avoid the light guide plate being displaced by force when the cutting structure 2 is cutting the light guide plate, resulting in scrapped products in the production process, and each mounting body 32 is provided with a clamping component 4, through which the fixing effect of the mounting structure 3 on the light guide plate is strengthened, so as to ensure the stability of the operation of the present embodiment.

[0028] like Figure 2-3 As shown, the clamping assembly 4 in this embodiment includes a clamping body 41 and a first cylinder 42 for pushing the clamping body 41 to contact the light guide plate. The first cylinder 42 is fixedly connected to the mounting body 32, and the clamping body 41 is slidably connected to the mounting body 32. The clamping body 41 is linked to the first cylinder 42, that is, the clamping assembly 4 changes the gas inside the first cylinder 42, so that the first cylinder 42 generates a certain thrust and contraction force, so that the clamping body 41 contacts the semi-finished product of the light guide plate or cancels the clamping body 41 from contacting the semi-finished product of the light guide plate. The contact relationship of the semi-finished product of the light guide plate determines whether the clamping assembly 4 clamps the semi-finished product of the light guide plate, and the longitudinal section of the clamping body 41 is an inverted "L"-shaped structure, that is, after the clamping body 41 contacts the semi-finished product of the light guide plate, with the help of the particularity of its structure, it can also limit the movement of the semi-finished product of the light guide plate in the vertical horizontal plane direction, thereby preventing the semi-finished product of the light guide plate from moving upward after being squeezed by the extrusion pressure at both ends, thereby causing the original cutting position to shift, affecting the cutting effect, and even resulting in scrapped products.

[0029] like Figures 4 to 6As shown, each mounting body 32 in this embodiment is provided with a limiting assembly 5, each limiting assembly 5 includes a plurality of limiting blocks 51 and a plurality of correction columns 52, each limiting block 51 and each correction column 52 are symmetrically distributed with the clamping body 41 as the center, each correction column 52 and each limiting block 51 are fixedly connected to the mounting body 32, and each correction column 52 is located between adjacent limiting blocks 51, that is, two symmetrical "convex"-shaped structures are formed on the projection surface of the clamping body 41 by each limiting block 51 and each correction column 52, so as to facilitate the embedding of the semi-finished product of the light guide plate with a horizontal "I"-shaped structure, thereby facilitating the cutting of the connection between adjacent light guide plates caused by the connecting cavity between adjacent cavities in the mold. The connecting part of the semi-finished light guide plate is passed through between adjacent correction columns 52. When the semi-finished light guide plate is first installed on the mounting body 32, the mounting body 32 can be driven to move outward first so that the correction column 52 comes into contact with one end of the semi-finished light guide plate. The semi-finished light guide plate is affected by the limiting function of the connecting part, and thus gradually returns to the correct position as the mounting body 32 moves, until one end of the semi-finished light guide plate is close to the limiting block 51 and is parallel to the limiting block 51, and then the mounting body 32 is driven to slide inward to fix the semi-finished light guide plate, so that the cross-section of the light guide plate obtained after the cutting structure 2 cuts the semi-finished light guide plate is flat and smooth, thereby improving the yield of the light guide plate.

[0030] The mounting body 32 includes a sliding portion 321 and a mounting portion 322. The sliding portion 321 and the mounting portion 322 are integrally formed. The mounting portion 322 is located above the sliding portion 321. The sliding portion 321 is slidably connected to the base 31. Each limit block 51 is fixedly connected to the mounting portion 322. The width of the mounting portion 322 is shorter than the width of the sliding portion 321, that is, there is a certain gap between the same side of the mounting portion 322 and the sliding portion 321, so that the mounting portion 322 and the sliding portion 321 are aligned with each other. A height difference is created between the mounting portion 322 and the correction column 52, which facilitates the cutting knife 23 to punch and cut the semi-finished product of the light guide plate. The cutting knife 23 is located between the mounting portion 322 and the correction column 52. Due to the height difference, the top of the mounting portion 322 and the top of the correction column 52 are both higher than the top of the sliding portion 321, so that a cutting groove for cooperating with the cutting knife 23 to perform cutting work is formed between the mounting portion 322 and the correction column 52, thereby facilitating the cutting knife 23 to cut the semi-finished product of the light guide plate and improving the cutting efficiency.

[0031] A sliding assembly 6 for driving the mounting body 32 to slide is provided between each mounting body 32 and the base 31. The sliding assembly 6 includes a screw rod 61, a drive motor 62, and a plurality of rotating frames 63. Each rotating frame 63 is arranged in sequence along a linear direction and is fixedly connected to the base 31. The sliding part 321 is threadedly connected to the screw rod 61, and the screw rod 61 is linked to the output shaft of the drive motor 62. The drive motor 62 is fixedly connected to the base 31. That is, the sliding assembly 6 in this embodiment uses the principle of screw transmission to convert the rotational force output by the drive motor 62 into the kinetic force during the linear motion of the sliding part 321. The screw transmission has a strong torque transmission capacity and can withstand a large torque and transmit it to the sliding part 321 to ensure that there is sufficient force to support the sliding part 321 to move. The screw rod 61 is rotatably connected to each rotating frame 63, so that the overall structure of the sliding assembly 6 can be stabilized, thereby ensuring the strength and stability of the structure of the embodiment.

[0032] like Figure 1-2 As shown, in this embodiment, a material return groove 7 is provided between adjacent mounting bodies 32, and the material return groove 7 passes through the base. A material removal port 8 is provided on the side wall of the workbench 1, and the material removal port 8 is connected with the material return groove 7, that is, the connecting part of the semi-finished light guide plate cut by the cutting knife 23 will directly fall into the material return groove 7 as the cutting knife 23 rises, and then move along the material removal port 8 to the side wall of the workbench 1, so that the staff can clean up the cutting residues.

[0033] The cutting structure 2 includes a support frame 21, a cutting tool magazine 22, and a plurality of cutting knives 23. The support frame 21 is fixedly connected to the base 31, the cutting tool magazine 22 is fixedly connected to the support frame 21, and each cutting knife 23 is slidably connected to the cutting tool magazine 22. When cutting work is required, the cutting knife 23 will slide out to perform a cutting action on the semi-finished product of the light guide plate. Each cutting knife 23 corresponds one by one to the connection part between adjacent light guide plates and the junction of the light guide plates, so that the cutting knife 23 only needs to move in a direction perpendicular to the horizontal plane without moving in the horizontal direction, thereby reducing the structural complexity of the cutting structure 2 and facilitating the cutting structure 2 to perform cutting work.

[0034] Each cutting knife 23 includes a lifting handle 231 and a cutting knife body 232. The cutting knife body 232 is integrally formed with the lifting handle 231. The lifting handle 231 is slidably connected to the cutting knife magazine 22. A second cylinder 9 is provided between the cutting knife magazine 22 and the lifting handle 231 to move the lifting handle 231. The end of the lifting handle 231 away from the cutting knife body 232 is linked to the second cylinder 9. The second cylinder 9 is fixedly connected to the cutting knife magazine 22. That is, each cutting knife 23 uses a cylinder as an actuator to perform cutting work. Because the cylinder generates thrust by compressed air to move the piston, the working speed of the cylinder is also faster than that of a series of actuators, so that the cutting knife 23 can also quickly respond to the operating instructions of the staff to perform cutting work and improve cutting efficiency.

[0035] Each mounting body 32 is provided with a cylinder manipulator 10 for pressing and grasping the light guide plate. The cylinder manipulator 10 cooperates with the mounting portion 322 located below the semi-finished light guide plate on the basis of the clamping body 41 to enhance the clamping force of the semi-finished light guide plate in the vertical and horizontal directions. A pneumatic suction cup can be provided at one end of the cylinder manipulator 10 close to the mounting portion 322. The pneumatic suction cup cooperates with the drag chain and the cylinder to achieve the effect of grasping the light guide plate, so that the present embodiment has the function of automatic unloading, thereby improving the practicality of the present embodiment. How the specific cylinder manipulator 10 drives the pneumatic suction cup, the drag chain and the cylinder is shown according to the control system of the selected cylinder manipulator 10, and will not be elaborated in this embodiment.

[0036] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A light guide plate cutting mechanism, comprising a workbench (1), characterized in that: The workbench (1) is provided with a cutting structure (2) and a mounting structure (3) for mounting a light guide plate, wherein the mounting structure (3) is located below the cutting structure (2) and is fixedly connected to the workbench (1); The mounting structure (3) comprises a base (31) and a plurality of mounting bodies (32), each of the mounting bodies (32) being symmetrically distributed on the base (31) with the base (31) as the center, and each of the mounting bodies (32) being slidably connected to the base (31), the base (31) being fixedly connected to the workbench (1), and each of the mounting bodies (32) being provided with a clamping assembly (4); The cutting structure (2) comprises a support frame (21), a cutting tool magazine (22), and a plurality of cutting knives (23); the support frame (21) is fixedly connected to a base (31); the cutting tool magazine (22) is fixedly connected to the support frame (21); and each of the cutting knives (23) is slidably connected to the cutting tool magazine (22).

2. The light guide plate cutting mechanism according to claim 1, characterized in that: The clamping assembly (4) comprises a clamping body (41) and a first cylinder (42) for pushing the clamping body (41) to contact the light guide plate, the first cylinder (42) being fixedly connected to the mounting body (32), the clamping body (41) being slidably connected to the mounting body (32), the clamping body (41) being linked to the first cylinder (42), and the longitudinal section of the clamping body (41) being an inverted "L"-shaped structure.

3. The light guide plate cutting mechanism according to claim 2, characterized in that: Each of the installation bodies (32) is provided with a limit assembly (5), each of the limit assemblies (5) comprises a plurality of limit blocks (51) and a plurality of correction columns (52), each of the limit blocks (51) and each of the correction columns (52) are symmetrically distributed with the clamping body (41) as the center, each of the correction columns (52) and each of the limit blocks (51) are fixedly connected to the installation body (32), and each of the correction columns (52) is located between adjacent limit blocks (51).

4. The light guide plate cutting mechanism according to claim 3, characterized in that: The mounting body (32) comprises a sliding portion (321) and a mounting portion (322); the sliding portion (321) and the mounting portion (322) are integrally formed; the mounting portion (322) is located above the sliding portion (321); the sliding portion (321) is slidably connected to the base (31); the width dimension of the mounting portion (322) is shorter than the width dimension of the sliding portion (321); the cutting knife (23) is located between the mounting portion (322) and the correction column (52); and each of the limit blocks (51) is fixedly connected to the mounting portion (322).

5. The light guide plate cutting mechanism according to claim 4, characterized in that: A sliding assembly (6) for driving the mounting body (32) to slide is provided between each mounting body (32) and the base (31). The sliding assembly (6) comprises a screw rod (61), a drive motor (62), and a plurality of rotating frames (63). Each of the rotating frames (63) is arranged in sequence along a linear direction and is fixedly connected to the base (31). The sliding portion (321) is threadedly connected to the screw rod (61). The screw rod (61) is rotatably connected to each rotating frame (63). The screw rod (61) is linked to the output shaft of the drive motor (62). The drive motor (62) is fixedly connected to the base (31).

6. The light guide plate cutting mechanism according to claim 5, characterized in that: A material withdrawal groove (7) is provided between adjacent mounting bodies (32), the material withdrawal groove (7) passes through the base, and a material taking port (8) is provided on the side wall of the workbench, the material taking port (8) is communicated with the material withdrawal groove (7).

7. The light guide plate cutting mechanism according to claim 1, characterized in that: Each of the cutting knives (23) comprises a lifting handle (231) and a cutting knife body (232); the cutting knife body (232) is integrally formed with the lifting handle (231); the lifting handle (231) is slidably connected to a cutting knife magazine (22); a second cylinder (9) for moving the lifting handle (231) is provided between the cutting knife magazine (22) and the lifting handle (231); one end of the lifting handle (231) away from the cutting knife body (232) is linked to the second cylinder (9); and the second cylinder (9) is fixedly connected to the cutting knife magazine (22).

8. The light guide plate cutting mechanism according to claim 1, characterized in that: Each of the mounting bodies (32) is provided with a cylinder manipulator (10) for pressing and grabbing the light guide plate.

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