Dust-free cutting equipment for quantum dot diffusion plate

Abstract

The utility model provides dust-free cutting equipment for a quantum dot diffusion plate, and relates to the technical field of diffusion plate cutting, the dust-free cutting equipment for the quantum dot diffusion plate comprises a workbench, two sides of the upper surface of the workbench are respectively and fixedly provided with a movable sleeve rod, and rod bodies of the two movable sleeve rods are jointly and movably provided with a limiting assembly for limiting a plate; a cutting assembly used for cutting plates is fixedly installed in the middle of the limiting assembly. According to the board cutting device, a current board can be cut through the cutting assembly, dust diffusing upwards can be collected, the dust accumulated on the upper surface of the board can be scraped and collected in a unified mode through the cutting assembly, and therefore after the board is cut, no dust exists on the surface of the board when the board is discharged; and auxiliary self-cleaning can be conducted through the cutting assembly, the dust accumulated in the board can be transferred to a collecting position, and therefore workers can conveniently treat the collected dust.

Description

TECHNICAL FIELD

[0001] The utility model relates to diffusion plate cutting technical field, specifically, relate to a kind of for quantum dot diffusion plate dustless cutting equipment. BACKGROUND

[0002] Diffusion plate is widely used in liquid crystal display, LED lighting and imaging display system, its main function is to make incident light fully scattered, realize more soft, uniform irradiation effect, diffusion plate is generally plastic material, wherein in the production process of diffusion plate, so that diffusion plate can match different equipment, thereby needing to cut diffusion plate, but the existing cutting equipment is cut, because diffusion plate is plastic material, it will have a large amount of dust diffusion when cutting, thereby affecting processing environment, so that operating personnel long-term work in this environment, can cause influence to its respiratory tract;

[0003] And after completing cutting, part of dust will accumulate on cutting blade or equipment shell, so that personnel need to clean manually in later period, to increase the workload of personnel. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of for quantum dot diffusion plate dustless cutting equipment, solve the problem that existing equipment cannot handle the dust generated when cutting, and the problem that personnel need to clean manually accumulated dust after completing cutting.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] A kind of for quantum dot diffusion plate dustless cutting equipment, including workbench, the upper surface of the workbench is fixedly installed with movable sleeve rod on both sides respectively, two movable sleeve rod shafts are commonly movably installed with limiting assembly for limiting plate material, limiting assembly middle part is fixedly installed with cutting assembly for cutting plate material, the workbench middle part is provided with through hole and fixedly installed with waste collection frame for collecting waste in through hole;

[0007] The cutting assembly includes a component housing, the component housing bottom is provided with a through installation slot, the through installation slot is movably provided with a through frame for preventing dust diffusion, the component housing is rotatably installed with a cutting blade, the component housing is rotatably installed with a positive and negative screw rod on the upper side, the positive and negative screw rod shaft is respectively provided with an adjusting mounting plate, the component housing is fixedly installed with a limiting slide rod on the side close to the positive and negative screw rod.

[0008] As preferred, the limiting assembly comprises two connecting sleeve shells, the two connecting sleeve shells are movably arranged on the movable sleeve rod, one side of the two connecting sleeve shells is fixedly installed with a connecting cross bar, the end of the connecting cross bar is fixedly installed with an expansion shell, and the two expansion shells are rotatably installed with a driving roller.

[0009] As preferred, each of the expansion shells is internally provided with a sliding groove, each of the sliding grooves is internally slidably provided with a sliding block, one of the sliding blocks is internally fixedly installed with a second motor, the output end of the second motor is fixedly connected with the driving roller, one end of the driving roller is rotatably installed on the surface of the other sliding block, and each of the sliding grooves is internally and upwardly fixedly installed with a pressing spring for supporting the sliding block.

[0010] As preferred, one of the movable sleeve rods is internally fixedly installed with a first motor, the output end of the first motor is fixedly installed with a driving screw rod, and the driving screw rod is threadedly matched with one of the connecting sleeve shells.

[0011] As preferred, the assembly shell is fixedly installed with a fixed cross plate on each side, each of the fixed cross plates is fixedly connected with the corresponding connecting sleeve shell, one of the fixed cross plates is fixedly installed with a driving motor on the plate body, the output end of the driving motor is fixedly connected with the cutting piece, and the plate body of the other fixed cross plate is fixedly installed with an adjusting motor, and the output end of the adjusting motor is fixedly installed with a reversible screw rod.

[0012] As preferred, the upper surface of the assembly shell is slidably provided with an arc-shaped sliding plate, the plate body of the arc-shaped sliding plate is integrally provided with a plurality of cleaning scrapers, the lower surface of the plate body of the arc-shaped sliding plate is integrally provided with a plurality of matching teeth, and the middle part of the reversible screw rod is integrally provided with a transmission gear for meshing transmission with the matching teeth.

[0013] As preferred, the expansion through hole is formed in the middle part of the insertion frame, the lower storage groove is integrally arranged on the two sides of the insertion frame, the upper storage groove is arranged on the upper end of the lower storage groove, and the guide plate is integrally arranged on the two sides of the lower storage groove.

[0014] As preferred, the expansion plate is fixedly installed on the lower surface of the insertion frame on each side, and the connecting plate is fixedly installed on the surface of the assembly shell near the expansion plate on each side, and the fixed bolt is penetratingly arranged in each of the connecting plates.

[0015] The fixed shaft is fixedly installed on the upper surface of the expansion plate, the limiting insertion rod is movably arranged in the fixed shaft, the matching thread groove for threadedly matching with the fixed bolt is formed in the upper end of the limiting insertion rod, and the close spring is fixedly installed between the expansion plate and the connecting plate.

[0016] As preferred, the one side of the plate body of the adjusting mounting plate is provided with a threaded hole matched with the threaded hole of the rod body of the forward and reverse screw rod, the other side of the plate body of the adjusting mounting plate is provided with a sliding hole matched with the sliding hole of the limiting sliding rod, the lower side of the adjusting mounting plate is integrally provided with a rotating mounting plate, the rotating mounting plate is rotatably mounted with a connecting rotating shaft, and the bottom end of the connecting rotating shaft is fixedly mounted with a placing plate for mounting a nozzle and a cleaning cloth.

[0017] As preferred, the lower end of the placing plate is fixedly mounted with a first side plate and a second side plate respectively, the inner side of the first side plate is integrally provided with a nozzle mounting rack, the plate body of the second side plate is provided with a cleaning cloth mounting slot, the bottom of the cleaning cloth mounting slot is fixedly mounted with an ejection spring, and the upper end of the ejection spring is fixedly mounted with a T-shaped clamping plate for clamping the cleaning cloth.

[0018] The surface of the plate body of the adjusting mounting plate is fixedly mounted with a motor, and the output end of the motor is fixedly connected with the connecting rotating shaft.

[0019] Compared with the prior art, the present application has the following advantages:

[0020] 1. The cutting assembly can cut the current plate and collect the dust diffused upward. The dust accumulated on the upper surface of the plate can be scraped and collected uniformly by the cutting assembly, so that the surface of the plate is free of dust after cutting, and the separation between the plate and the dust is realized. The dust diffused downward can be uniformly collected by the waste collecting frame, and the cutting assembly is used for comprehensive protection, so that the device does not produce a large amount of dust diffusion during cutting, and the processing environment is not affected. The safety of the operator during processing is ensured. The cutting assembly can be used for auxiliary self-cleaning, and the dust accumulated in the cutting assembly can be transferred to the collection place, so that the collected dust can be conveniently treated by the personnel.

[0021] 2. The limiting assembly can press the plate to be cut downward, so that the bottom of the plate is attached to the workbench during cutting, and the dust generated during cutting is divided into upper and lower parts. The cutting assembly is used to avoid dust diffusion, and the limiting assembly is also used to adjust the position of the plate, so that the plate can be transferred automatically, and the cutting assembly is used for rapid cutting. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the quantum dot diffusion plate dust-free cutting equipment.

[0023] Figure 2 It is a partial structure schematic view of the quantum dot diffusion plate dust-free cutting equipment.

[0024] Figure 3 It is a part internal structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0025] Figure 4 It is a cutting assembly structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0026] Figure 5 It is a top view cutting assembly structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0027] Figure 6 It is a side view cutting assembly structure schematic view of the quantum dot diffusion plate dust-free cutting equipment; Figure 5 It is a section structure schematic view of A-A of the quantum dot diffusion plate dust-free cutting equipment;

[0028] Figure 7 It is a section structure schematic view of B-B of the quantum dot diffusion plate dust-free cutting equipment; Figure 5

[0029] Figure 8 It is a front view cutting assembly structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0030] Figure 9 It is a section structure schematic view of C-C of the quantum dot diffusion plate dust-free cutting equipment; Figure 8

[0031] Figure 10 It is a penetrating frame structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0032] Figure 11 It is a top view penetrating frame structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0033] Figure 12 It is a section structure schematic view of D-D of the quantum dot diffusion plate dust-free cutting equipment; Figure 11

[0034] Figure 13 It is a section structure schematic view of E-E of the quantum dot diffusion plate dust-free cutting equipment; Figure 11

[0035] Figure 14 It is an adjusting mounting plate structure schematic view of the quantum dot diffusion plate dust-free cutting equipment;

[0036] Figure 15 ​​​​The utility model relates to a kind of adjusting mounting plate internal structure schematic view for quantum dot diffusion plate dust-free cutting equipment.

[0037] Figure 16 The utility model relates to a kind of adjusting mounting plate internal structure schematic view for quantum dot diffusion plate dust-free cutting equipment. Figure 15 The enlarged structure schematic view of a in the middle.

[0038] In the drawing: 1, workbench;2, movable sleeve rod;3, cutting assembly;301, assembly shell;302, expansion board;3021, insert frame;3022, expansion through-hole;3023, guide plate;3024, upper storage groove;3025, lower storage groove;3026, fixed shaft;3027, close spring;3028, limit insertion rod;3029, matching screw groove;30210, fixed bolt;303, adjusting motor;3031, transmission gear;3032, positive and negative screw;3033, limit sliding rod;304, fixed cross plate;305, connecting plate;306, drive motor;307, cutting piece;308, adjusting mounting plate;3081, threaded hole;3082, sliding hole;3083, motor;3084, rotating mounting plate;3085, connecting rotating shaft;3086, mounting plate;3087, first side plate;3088, spray head mounting frame;3089, second side plate;30810, cleaning cloth mounting groove;30811, ejection spring;30812, T-shaped clamping plate;309, arc-shaped sliding plate;3091, matching tooth;3092, cleaning scraper;310, insert mounting groove;4, waste collection frame;5, limit assembly;501, connecting sleeve shell;502, connecting cross bar;503, expansion shell;5031, sliding groove;5032, pressing spring;5033, sliding block;5034, second motor;504, drive roller;6, drive screw;7, first motor. DETAILED DESCRIPTION

[0039] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the embodiments of the utility model below, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0040] EMBODIMENT

[0041] As Figure 1 , Figure 4 , Figure 6As shown, a quantum dot diffusion plate dust-free cutting device, including a workbench 1, the upper surface of the workbench 1 is fixedly installed with a movable sleeve rod 2 on both sides, two movable sleeve rods 2 are movably installed with a limiting assembly 5 for limiting the plate, a cutting assembly 3 is fixedly installed in the middle of the limiting assembly 5 for cutting the plate, a through hole is formed in the middle of the workbench 1 and a waste collecting frame 4 is fixedly installed in the through hole for collecting waste; through the limiting assembly 5, the plate to be cut can be pressed downward, so that the bottom of the plate is attached to the workbench 1 during cutting, thereby separating the dust generated during cutting, cooperating with the cutting assembly 3 to avoid dust diffusion, and through the limiting assembly 5, the position of the plate can be adjusted, so that the plate can be transferred automatically, cooperating with the cutting assembly 3 to realize rapid cutting processing;

[0042] Through the cutting assembly 3, the current plate can be cut and the dust diffused upward can be collected, wherein the dust accumulated on the upper surface of the plate can be scraped and collected uniformly by using the cutting assembly 3, so that the plate surface will not have dust when it is discharged after cutting, thereby realizing the separation between the plate and the dust, wherein the dust diffused downward can be unified by the waste collecting frame 4, cooperating with the cutting assembly 3 to realize all-round protection, so that the device will not have a large amount of dust diffusion during cutting, which will affect the processing environment, thereby ensuring the safety of the operator during processing, wherein the cutting assembly 3 can be assisted to clean, and the dust accumulated in it can be transferred to the collection place, thereby facilitating personnel to process the collected dust.

[0043] The cutting assembly 3 includes an assembly housing 301, a through installation slot 310 is formed in the bottom of the assembly housing 301, a through frame 3021 for preventing dust diffusion is movably arranged in the through installation slot 310, a cutting blade 307 is rotatably installed in the assembly housing 301, a positive and negative screw rod 3032 is rotatably installed on the upper side of the assembly housing 301, the rod body of the positive and negative screw rod 3032 is provided with an adjusting mounting plate 308, and a limiting slide rod 3033 is fixedly installed in the assembly housing 301 near the positive and negative screw rod 3032. Through the through frame 3021, the bottom thereof can be attached to the plate, so that it can prevent the diffusion of the attached place and reduce the diffusion of dust.

[0044] As Figure 1 , Figure 2 , Figure 3As shown, the limiting assembly 5 comprises two connecting sleeve shells 501, two connecting sleeve shells 501 are movably arranged on the rod body of the movable sleeve rod 2, one side of two connecting sleeve shells 501 is fixedly installed with a connecting cross rod 502, the end of the connecting cross rod 502 is fixedly installed with an expansion shell 503, and the two expansion shells 503 are rotatably installed with a drive roller 504. By movably arranging the connecting sleeve shell 501 on the rod body of the movable sleeve rod 2, the height of the current drive roller 504 and the height of the cutting assembly 3 can be uniformly adjusted, so that it can match the plate for pressing or cutting.

[0045] In this embodiment, each expansion shell 503 is internally provided with a sliding groove 5031, each sliding groove 5031 is internally slidably provided with a sliding block 5033, one of the sliding blocks 5033 is internally fixedly installed with a second motor 5034, the output end of the second motor 5034 is fixedly connected with the drive roller 504, one end of the drive roller 504 is rotatably installed on the surface of the other sliding block 5033, and the lower pressing spring 5032 for supporting the sliding block 5033 is fixedly installed at the upper end of each sliding groove 5031. By starting the second motor 5034, the drive roller 504 can be driven to rotate, and under the action of the lower pressing spring 5032 pushing the sliding block 5033, the drive roller 504 can be attached to the plate, and the plate can be displaced forward for automatic cutting operation.

[0046] It should be noted that one of the movable sleeve rods 2 is internally fixedly installed with a first motor 7, the output end of the first motor 7 is fixedly installed with a drive lead screw 6, and the rod body of the drive lead screw 6 is threadedly connected with one of the connecting sleeve shells 501. By starting the first motor 7, the drive lead screw 6 can drive the connecting sleeve shell 501 to adjust the position up and down, and the cutting processing of different depths can be performed.

[0047] As shown in Figure 1 , Figure 4 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Figure 9 As shown, the assembly shell 301 is fixedly installed with a fixed cross plate 304 on both sides, each fixed cross plate 304 is fixedly connected with the corresponding connecting sleeve shell 501, one of the fixed cross plates 304 is fixedly installed with a drive motor 306, the output end of the drive motor 306 is fixedly connected with a cutting blade 307, the other fixed cross plate 304 is fixedly installed with an adjusting motor 303, and the output end of the adjusting motor 303 is fixedly installed with a positive and negative lead screw 3032. By starting the adjusting motor 303, the positive and negative lead screw 3032 can be matched with the limiting sliding rod 3033 to adjust the position of the two sides of the adjusting mounting plate 308, and the drive motor 306 is started to make the cutting blade 307 cut the plate.

[0048] In the specific setting, the upper surface of the assembly shell 301 is slidingly provided with an arc-shaped sliding plate 309, the plate body of the arc-shaped sliding plate 309 is integrally provided with a plurality of cleaning scrapers 3092, the lower surface of the plate body of the arc-shaped sliding plate 309 is integrally provided with a plurality of matching teeth 3091, and the middle part of the rod body of the forward and reverse screw rod 3032 is integrally provided with a transmission gear 3031 for engaging and transmitting the matching teeth 3091. By starting the adjusting motor 303, the forward and reverse screw rod 3032 can drive the transmission gear 3031 to rotate, so that the matching teeth 3091 are engaged and transmitted, driving the arc-shaped sliding plate 309 to reciprocate, and then the cleaning scraper 3092 cleans the inner wall of the assembly shell 301, so that it shifts to both sides, avoiding dust accumulation in the inner wall of the assembly shell 301.

[0049] As shown in Figure 4 、 Figure 10 、 Figure 11 、 Figure 12 、 Figure 13 The middle part of the insertion frame 3021 is provided with an expansion hole 3022, the inside of the insertion frame 3021 is integrally provided with a lower storage groove 3025 on both sides, the upper end of the lower storage groove 3025 is provided with an upper storage groove 3024, and the both sides of the lower storage groove 3025 are integrally provided with a guide plate 3023. By cooperating with the limiting assembly 5, the dust on the upper surface of the plate material can be scraped and stored by the lower storage groove 3025 when the plate material is moved, the material inside the assembly shell 301 can be collected by the upper storage groove 3024, and the self-cleaning function of the cutting assembly 3 can be used to collect the dust on both sides. The guide plate 3023 facilitates the dust to enter the lower storage groove 3025.

[0050] It can be understood that in the present application, the lower surface of the insertion frame 3021 is fixedly installed with an expansion plate 302 on both sides, the surface of the assembly shell 301 near the expansion plate 302 is fixedly installed with a connecting plate 305, and the inside of each connecting plate 305 is placed with a fixed bolt 30210;

[0051] The upper surface of the expansion plate 302 is fixedly provided with a fixed shaft 3026, the inside of the fixed shaft 3026 is movably provided with a limiting insertion rod 3028, the upper end of the limiting insertion rod 3028 is provided with a matching thread groove 3029 for thread cooperation with a fixed bolt 30210, and the expansion plate 302 is fixedly provided with a close spring 3027 between the expansion plate 302 and the connecting plate 305. By movably arranging the limiting insertion rod 3028 in the fixed shaft 3026, the lower surface of the insertion frame 3021 can be guided to be attached to the surface of the plate under the guidance of the close spring 3027. By connecting the fixed bolt 30210 and the matching thread groove 3029, the insertion frame 3021 can be disassembled as a whole by using the fixed bolt 30210 when the operator cleans the dust in the later stage, so that the whole can be conveniently handled in the later stage.

[0052] As shown in Figure 6 , Figure 7 , Figure 14 , Figure 15 , Figure 16 , the adjusting mounting plate 308 is provided with a threaded hole 3081 on one side of the plate body for cooperation with the rod body of the forward and reverse screw rod 3032, and is provided with a sliding hole 3082 on the other side of the plate body for cooperation with the penetration of the limiting sliding rod 3033, and is integrally provided with a rotating mounting plate 3084 on the lower side of the adjusting mounting plate 308, and the rotating mounting plate 3084 is rotatably mounted with a connecting shaft 3085 in the inside, and the connecting shaft 3085 is fixedly provided with a setting plate 3086 for mounting a spray head and a cleaning cloth at the bottom.

[0053] The lower end of the setting plate 3086 is fixedly provided with a first side plate 3087 and a second side plate 3089, respectively, the inside of the first side plate 3087 is integrally provided with a spray head mounting rack 3088, the plate body of the second side plate 3089 is provided with a cleaning cloth mounting groove 30810 penetratingly, the cleaning cloth mounting groove 30810 is fixedly provided with an ejection spring 30811 at the bottom, and the ejection spring 30811 is fixedly provided with a T-shaped clamping plate 30812 for clamping the cleaning cloth at the upper end.

[0054] The surface of the adjusting mounting plate 308 is fixedly provided with a motor 3083, and the output end of the motor 3083 is fixedly connected with the connecting shaft 3085. By starting the motor 3083, the connecting shaft 3085 is rotated, thereby adjusting the positions of the two ends of the setting plate 3086, wherein the spray head mounting rack 3088 can fix the external spray head, thereby realizing auxiliary water adding, and realizing cooling of the cutting piece 307 and humidification of the dust according to the current position, thereby reducing the diffusion degree of the dust, and the T-shaped clamping plate 30812 is pushed out by the ejection spring 30811, so that the T-shaped clamping plate 30812 clamps the cleaning cloth, so that the cleaning cloth can wipe the side surface of the cutting piece 307, avoiding that the cutting piece 307 has a large amount of dust accumulated on the surface.

[0055] The working principle of the quantum dot diffusion plate dust-free cutting device is as follows:

[0056] In use, first, the material is placed in the limiting assembly 5, and then the current cutting position is adjusted through the first motor 7, wherein the driving roller 504 can be attached to the plate material under the action of the lower pressing spring 5032 pushing the sliding block 5033, the second motor 5034 is started to make the plate material transfer inward, and the driving motor 306 is started to make the cutting piece 307 cut the plate material, wherein the upper dust is transferred to the assembly housing 301 during cutting, and the lower dust is transferred to the waste collection frame 4.

[0057] During cutting, the adjusting motor 303 is started to make the cleaning scraper 3092 clean the inner wall of the assembly housing 301, so that the dust is transferred to the upper storage groove 3024, wherein the position of the adjusting installation plate 308 can be adjusted through the adjusting motor 303, and corresponding cleaning is performed according to the current position, wherein the position of the external nozzle and the cleaning cloth can be adjusted through the starting of the motor 3083, so as to realize the auxiliary processing of the cutting piece 307 and the internal cleaning of the assembly housing 301.

[0058] After completion, the penetrating frame 3021 can be disassembled as a whole by using the fixing bolt 30210, and the penetrating frame 3021 is taken out, and then the collected dust is processed.

[0059] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, on the basis of the above description, other different forms of changes or changes can be made, and all the embodiments cannot be exhausted here, and any changes or changes derived from the technical solutions of the utility model still belong to the protection scope of the utility model.

Claims

1. A dust-free cutting device for quantum dot diffusion plate, comprising a workbench (1), characterized in that: The upper surface of the workbench (1) is fixedly provided with two movable sleeve rods (2) on both sides, the rod bodies of the two movable sleeve rods (2) are movably provided with a limiting assembly (5) for limiting the plate, the limiting assembly (5) is fixedly provided with a cutting assembly (3) for cutting the plate in the middle, and the workbench (1) is provided with a through hole in the middle and is fixedly provided with a waste collecting frame (4) for collecting waste at the through hole; The cutting assembly (3) comprises an assembly shell (301), the bottom of the assembly shell (301) is provided with a penetrating installation slot (310), the penetrating installation slot (310) is movably provided with a penetrating frame (3021) for preventing dust diffusion, the assembly shell (301) is rotatably provided with a cutting blade (307) inside, the assembly shell (301) is rotatably provided with a reversible lead screw (3032) on the inside of the upper side, the reversible lead screw (3032) is provided with an adjusting mounting plate (308) on the rod body, and the reversible lead screw (3032) is fixedly provided with a limiting sliding rod (3033) on one side of the assembly shell (301) inside.

2. The dust-free cutting device for quantum dot diffusion plate according to claim 1, characterized in that: The limiting assembly (5) comprises two connecting sleeve shells (501), the two connecting sleeve shells (501) are movably arranged on the rod bodies of the movable sleeve rods (2), the connecting sleeve shells (501) are fixedly provided with a connecting cross rod (502) on one side, the connecting cross rod (502) is fixedly provided with an expansion shell (503) at the end, and the expansion shells (503) are rotatably provided with a drive roller (504) between them.

3. The dust-free cutting device for quantum dot diffusion plate according to claim 2, characterized in that: Each expansion shell (503) is provided with a sliding groove (5031) inside, each sliding groove (5031) is slidably provided with a sliding block (5033) inside, one of the sliding blocks (5033) is fixedly provided with a second motor (5034) inside, the output end of the second motor (5034) is fixedly connected with the drive roller (504), one end of the drive roller (504) is rotatably arranged on the surface of the other sliding block (5033), and the lower pressing spring (5032) for supporting the sliding block (5033) is fixedly arranged at the upper end of each sliding groove (5031).

4. The dust-free cutting device for quantum dot diffusion plate according to claim 2, characterized in that: One of the movable sleeve rods (2) is fixedly provided with a first motor (7) inside, the output end of the first motor (7) is fixedly provided with a drive lead screw (6), and the rod body of the drive lead screw (6) is threadedly connected with one of the connecting sleeve shells (501).

5. The dust-free cutting device for quantum dot diffusion plate according to claim 2, characterized in that: The assembly shell (301) is fixedly provided with a fixed cross plate (304) on both sides, each fixed cross plate (304) is fixedly connected with the corresponding connecting sleeve shell (501), one of the fixed cross plates (304) is fixedly provided with a drive motor (306) on the plate body, the output end of the drive motor (306) is fixedly connected with the cutting blade (307), and the plate body of the other fixed cross plate (304) is fixedly provided with an adjusting motor (303), the output end of the adjusting motor (303) is fixedly provided with a reversible lead screw (3032).

6. The dust-free cutting apparatus for quantum dot diffusion plate according to claim 1, wherein: The upper surface of the assembly shell (301) is slidably provided with an arc-shaped sliding plate (309), the plate body of the arc-shaped sliding plate (309) is integrally provided with a plurality of cleaning scrapers (3092) respectively, the lower surface of the plate body of the arc-shaped sliding plate (309) is integrally provided with a plurality of matching teeth (3091), and the middle part of the rod body of the forward and reverse screw rod (3032) is integrally provided with a transmission gear (3031) used for engaging transmission with the matching teeth (3091).

7. The dust-free cutting device for quantum dot diffusion plate according to claim 5, characterized in that: The middle part of the insertion frame (3021) is provided with an expansion through hole (3022), the inside of the insertion frame (3021) is integrally provided with a lower storage groove (3025) on both sides, the upper end of the lower storage groove (3025) is provided with an upper storage groove (3024), and the lower storage groove (3025) is integrally provided with a guide plate (3023) on both sides.

8. The dust-free cutting apparatus for quantum dot diffusion plate according to claim 1, wherein: The lower surface of the insertion frame (3021) is fixedly installed with an expansion plate (302) on both sides respectively, and the surface of the assembly shell (301) close to the expansion plate (302) is fixedly installed with a connecting plate (305) respectively. The upper surface of the expansion plate (302) is fixedly installed with a fixed shaft (3026), the inside of the fixed shaft (3026) is movably provided with a limiting insertion rod (3028), the upper end of the limiting insertion rod (3028) is provided with a matching thread groove (3029) used for thread cooperation with the fixed bolt (30210), and the expansion plate (302) and the connecting plate (305) are fixedly installed with a close spring (3027).

9. The dust-free cutting apparatus for quantum dot diffusion plate according to claim 5, wherein: The side of the adjusting mounting plate (308) is provided with a threaded hole (3081) used for cooperation with the rod body of the forward and reverse screw rod (3032), the other side of the adjusting mounting plate (308) is provided with a sliding hole (3082) used for penetration cooperation with the limiting sliding rod (3033), the lower side of the adjusting mounting plate (308) is integrally provided with a rotating mounting plate (3084), the inside of the rotating mounting plate (3084) is rotatably installed with a connecting rotating shaft (3085), and the bottom end of the connecting rotating shaft (3085) is fixedly installed with a placement plate (3086) used for mounting a spray head and a cleaning cloth.

10. The dust-free cutting apparatus for quantum dot diffusion plate according to claim 9, wherein: The lower end of the placement plate (3086) is fixedly installed with a first side plate (3087) and a second side plate (3089) respectively, the inside of the first side plate (3087) is integrally provided with a spray head mounting rack (3088), the plate body of the second side plate (3089) is provided with a cleaning cloth mounting groove (30810) penetratingly, the bottom of the cleaning cloth mounting groove (30810) is fixedly installed with an ejection spring (30811), and the upper end of the ejection spring (30811) is fixedly installed with a T-shaped clamping plate (30812) used for clamping a cleaning cloth. The surface of the adjusting mounting plate (308) is fixedly installed with a motor (3083), and the output end of the motor (3083) is fixedly connected with the connecting rotating shaft (3085).

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