Double-roller tabletting belt conveyor

Abstract

The utility model relates to the field of quartz stone plate production equipment, in particular to a double-roller tabletting belt conveyor which comprises a machine frame, a pre-pressing unit, a tabletting unit and a cutting unit are arranged at the head end, the middle and the tail end of the machine frame, the tabletting unit comprises a first conveying belt, and a pressing roller is rotationally arranged above the first conveying belt. The cutting unit comprises a transverse cutting mechanism and two side cutting mechanisms, the transverse cutting mechanism comprises a sliding mechanism, the sliding mechanism comprises a sliding block, a first motor is arranged on the sliding block, and a second motor is arranged on the sliding block. The first motor is connected with a first cutting disc, the side cutting mechanism comprises a second motor, and the second motor is connected with a second cutting disc. The device has the advantages that raw materials are prevented from being adhered to the surfaces of the compression rollers, and the surface flatness of quartz stone plates is improved.

Description

Technical Field

[0001] The utility model relates to the field of quartz stone plate production equipment, in particular to a pair-roller tablet pressing belt machine. Background Art

[0002] Quartz stone plate is an artificial stone synthesized by mixing quartz sand with resin and other raw materials. The processing process of quartz stone plate includes raw material preparation, pressing and forming, vacuum die-casting, medium-temperature curing and surface polishing. In the process of pressing and forming, a tablet press is used. In the process of using the existing tablet press, the pressing roller is prone to adhering raw materials, and the raw materials adhere to the surface of the pressing roller to form protrusions, which will leave pits on the surface of the quartz stone plate in the subsequent pressing work, affecting the product quality. Therefore, it is particularly necessary to develop a pair-roller tablet pressing belt machine that can avoid the adhesion of raw materials on the surface of the pressing roller and improve the surface flatness of the quartz stone plate. Summary of the Invention

[0003] The purpose of the utility model is to provide a pair-roller tablet pressing belt machine, which has the advantages of avoiding the adhesion of raw materials on the surface of the pressing roller and improving the surface flatness of the quartz stone plate.

[0004] The adopted technical solution is as follows:

[0005] A pair-roller tablet pressing belt machine includes a frame. A pre-pressing unit, a tablet pressing unit and a splitting unit are arranged at the head end, the middle part and the tail end of the frame respectively. The tablet pressing unit includes a first conveyor belt. A pressing roller is rotatably arranged above the first conveyor belt. A supporting roller corresponding to the pressing roller up and down is arranged on the first conveyor belt. Support rollers are arranged on both sides of the pressing roller. A film is arranged between the two support rollers and the supporting roller. The splitting unit includes a transverse cutting mechanism and two side cutting mechanisms. The transverse cutting mechanism includes a sliding mechanism. The sliding mechanism includes a slider. A first motor is arranged on the slider. The first motor is connected with a first cutting disc. The side cutting mechanism includes a second motor. The second motor is connected with a second cutting disc.

[0006] Preferably, the pre-pressing unit includes a second conveyor belt. The second conveyor belt is arranged on the frame. A hopper is arranged at the upper end of the second conveyor belt. A pre-pressing roller is rotatably arranged above the second conveyor belt at the rear side of the hopper. The second conveyor belt is arranged above the first conveyor belt.

[0007] Preferably, second baffles are arranged on both sides of the second conveyor belt along the conveying direction. First baffles are arranged on both sides of the first conveyor belt along the conveying direction.

[0008] Preferably, a height adjusting mechanism connected with the pre-pressing roller and a height adjusting mechanism connected with the pressing roller are arranged on the frame.

[0009] Preferably, the height adjustment mechanism includes two slide rails and mounting blocks that slide vertically in the slide rails. The mounting blocks are rotatably connected to the corresponding pressure rollers or pre-pressure rollers. The upper ends of the slide rails are rotatably connected vertically to lead screws. The lead screws are threadedly connected to the corresponding mounting blocks. The upper ends of the lead screws are all connected to driven bevel gears. A transmission shaft is horizontally rotatably arranged between the upper ends of the two slide rails. The transmission shaft is provided with two driving bevel gears. The driving bevel gears are meshed with the driven bevel gears on the same side. A rotating handle is arranged at the end of the transmission shaft.

[0010] Preferably, the height adjustment mechanism corresponding to the pressure roller further includes a rotating motor. The rotating motor includes an output shaft, and the output shaft is coaxially and fixedly connected to the corresponding transmission shaft.

[0011] Preferably, the sliding mechanism further includes a slideway. The slider is slidably arranged in the slideway. Sprockets are arranged at both ends of the slideway. A chain is arranged between the two sprockets. The slider is fixedly connected to the chain. A third motor is arranged at one end of the slideway, and the third motor is connected to the sprocket on the same side.

[0012] Preferably, a support roller driving mechanism is arranged on the frame. There is one and only one support roller driving mechanism connected to one support roller. The support roller driving mechanism includes a fourth motor, and the fourth motor is coaxially and fixedly connected to the corresponding support roller.

[0013] Compared with the prior art, the beneficial effects are as follows:

[0014] 1. Both sides of the pressure roller of the present invention are provided with support rollers. A film is arranged between the two support rollers and the idler roller. The film is made of a smooth surface material. The film rotates with the support rollers and the idler roller. During the pressing process of the quartz stone plate, it is avoided that the raw material of the quartz stone plate adheres to the pressure roller, thereby improving the surface flatness of the quartz stone plate.

[0015] 2. The frame of the present invention is provided with a height adjustment mechanism connected to the pre-pressure roller and a height adjustment mechanism connected to the pressure roller to adapt to the pressing requirements of quartz stone plates with different thicknesses, and has strong adaptability.

[0016] 3. The present invention uses a cross-cutting mechanism and two side-cutting mechanisms to cut the quartz stone plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a three-dimensional structural schematic diagram of a double-roll tablet press belt machine of the present invention,

[0018] Figure 2 is Figure 1 the structural schematic diagram at A in

[0019] Figure 3 is Figure 1 the structural schematic diagram at B in

[0020] Figure 4 It is a front view structural schematic diagram of a pair-roll tablet press belt conveyor of the present utility model,

[0021] Figure 5 It is a top view structural schematic diagram of a pair-roll tablet press belt conveyor of the present utility model,

[0022] Figure 6 It is a structural schematic diagram of the pressure roller part of a pair-roll tablet press belt conveyor of the present utility model;

[0023] Figure 7 It is a structural schematic diagram of the dividing unit part of a pair-roll tablet press belt conveyor of the present utility model.

[0024] In the figure: 1, frame; 2, first conveyor belt; 3, pressure roller; 4, driving mechanism; 5, supporting roller; 6, second conveyor belt; 7, hopper; 8, pre-pressure roller; 9, second baffle; 10, first baffle; 11, supporting roller; 12, film coating; 13, fourth motor; 14, slide rail; 15, mounting block; 16, lead screw; 17, transmission shaft; 18, turning handle; 19, turning motor; 20, slider; 21, slideway; 22, third motor; 23, sprocket; 24, chain; 25, first motor; 26, first cutting disc; 27, second motor; 28, second cutting disc. Specific embodiments

[0025] The following further describes the present utility model in conjunction with specific embodiments, as Figures 1 to 7 shown:

[0026] Embodiment 1: A pair-roll tablet press belt conveyor includes a frame 1. A pre-pressing unit, a tablet-pressing unit, and a dividing unit are arranged at the head end, middle part, and tail end of the frame 1. The pre-pressing unit pre-presses the quartz stone plate to perform preliminary forming pressing on the quartz stone plate. The tablet-pressing unit includes a first conveyor belt 2. A pressure roller 3 is rotatably arranged above the first conveyor belt 2. A driving mechanism 4 connected to the pressure roller 3 is arranged on the frame 1. The first conveyor belt 2 is provided with supporting rollers 5 corresponding to the pressure roller 3 up and down. The quartz stone plate moves on the first conveyor belt 2, and the quartz stone plate is pressed by the extrusion of the supporting rollers 5 and the pressure roller 3.

[0027] Supporting rollers 11 are arranged on both sides of the pressure roller 3. A film coating 12 is arranged between the two supporting rollers 11 and the supporting rollers 5. The film coating 12 is made of a smooth surface material. The film coating 12 is a prior art and will not be elaborated here; the film coating 12 rotates with the supporting rollers 11 and the supporting rollers 5. During the process of pressing the quartz stone plate, it prevents the raw material of the quartz stone plate from adhering to the pressure roller 3, thereby improving the surface flatness of the quartz stone plate.

[0028] The splitting unit includes a cross-cutting mechanism and two side-cutting mechanisms. The cross-cutting mechanism includes a sliding mechanism. The sliding mechanism includes a slider 20. The moving direction of the slider 20 is perpendicular to the conveying direction of the first conveyor belt 2. A first motor 25 is arranged on the slider 20. The first motor 25 is connected with a first cutting disc 26. The first motor 25 drives the first cutting disc 26 to rotate, so as to cut the quartz stone plate by using the first cutting disc 26. The side-cutting mechanism includes a second motor 27. The second motor 27 is connected with a second cutting disc 28. The two second cutting discs 28 cut the sides of the quartz stone plate.

[0029] Embodiment 2: A pair-roll tablet press belt conveyor, which includes a frame 1. A pre-pressing unit, a tablet-pressing unit and a splitting unit are arranged at the head end, the middle part and the tail end of the frame 1, so as to perform preliminary forming pressing on the quartz stone plate. The tablet-pressing unit includes a first conveyor belt 2. A pressing roller 3 is rotatably arranged above the first conveyor belt 2. A driving mechanism 4 connected with the pressing roller 3 is arranged on the frame 1. The first conveyor belt 2 is provided with a supporting roller 5 corresponding to the pressing roller 3 up and down. The quartz stone plate moves on the first conveyor belt 2, and the quartz stone plate is pressed by the extrusion of the supporting roller 5 and the pressing roller 3.

[0030] The pre-pressing unit includes a second conveyor belt 6. The second conveyor belt 6 is arranged on the frame 1. A hopper 7 is arranged at the upper end of the second conveyor belt 6. A pre-pressing roller 8 is rotatably arranged above the second conveyor belt 6 at the rear side of the hopper 7. The second conveyor belt 6 is arranged above the first conveyor belt 2. The pre-pressing unit pre-presses the quartz stone plate. Both sides of the second conveyor belt 6 along the conveying direction are provided with second baffles 9. Both sides of the first conveyor belt 2 along the conveying direction are provided with first baffles 10. The first baffles 10 and the second baffles 9 limit the quartz stone plate.

[0031] Support rollers 11 are arranged on both sides of the pressing roller 3. A film coating 12 is arranged between the two support rollers 11 and the supporting roller 5. The film coating 12 is made of a smooth surface material. The film coating 12 is a prior art and will not be described in detail here. The film coating 12 rotates with the support rollers 11 and the supporting roller 5. During the process of pressing the quartz stone plate, it avoids the raw material of the quartz stone plate from adhering to the pressing roller 3, thereby improving the surface flatness of the quartz stone plate. A support roller driving mechanism is arranged on the frame 1. There is one and only one support roller driving mechanism connected with one support roller 11. The support roller driving mechanism includes a fourth motor 13. The fourth motor 13 is coaxially and fixedly connected with the corresponding support roller 11. The fourth motor 13 drives the corresponding support roller 11 to rotate.

[0032] A height adjustment mechanism connected to the pre-pressure roller 8 and a height adjustment mechanism connected to the pressure roller 3 are provided on the frame 1. The height adjustment mechanism includes two slide rails 14 and mounting blocks 15 that slide vertically in the slide rails 14. The mounting blocks 15 are rotatably connected to the corresponding pressure roller 3 or pre-pressure roller 8. The upper ends of the slide rails 14 are vertically rotatably connected to lead screws 16. The lead screws 16 are threadedly connected to the corresponding mounting blocks 15. The upper ends of the lead screws 16 are all connected with driven bevel gears. A transmission shaft 17 is horizontally rotatably arranged between the upper ends of the two slide rails 14. The transmission shaft 17 is provided with two driving bevel gears. The driving bevel gears are meshed with the driven bevel gears on the same side. A rotating handle 18 is arranged at the end of the transmission shaft 17. The rotating handle 18 causes the two lead screws 16 to rotate synchronously through the meshing of the driving bevel gears and the driven bevel gears, thereby controlling the lifting of the mounting blocks 15. The height adjustment mechanism corresponding to the pressure roller 3 further includes a rotating motor 19. The rotating motor 19 includes an output shaft. The output shaft is coaxially and fixedly connected to the corresponding transmission shaft 17. The rotation of the transmission shaft 17 is controlled by the rotating motor 19, thereby controlling the lifting of the pressure roller 3.

[0033] The dividing unit includes a cross-cutting mechanism and two side-cutting mechanisms. The cross-cutting mechanism includes a sliding mechanism. The sliding mechanism includes a slider 20 and a slideway 21. The slider 20 is slidably arranged in the slideway 21. Chain wheels 23 are arranged at both ends of the slideway 21. A chain 24 is arranged between the two chain wheels 23. The slider 20 is fixedly connected to the chain 24. A third motor 22 is arranged at one end of the slideway 21. The third motor 22 is connected to the chain wheel 23 on the same side. The rotation of the third motor 22 controls the rotation of the chain wheel 23. The chain wheel 23 pulls the chain 24 to control the movement of the slider 20.

[0034] The moving direction of the slider 20 is perpendicular to the conveying direction of the first conveyor belt 2. A first motor 25 is arranged on the slider 20. The first motor 25 is connected with a first cutting disc 26. The first motor 25 drives the first cutting disc 26 to rotate, thereby using the first cutting disc 26 to cut the quartz stone plate. The side-cutting mechanism includes a second motor 27. The second motor 27 is connected with a second cutting disc 28. The two second cutting discs 28 cut the sides of the quartz stone plate.

[0035] The specific working process is as follows: The mixed raw materials of quartz stone plates are placed in the hopper 7. Start the second conveyor belt 6 and the first conveyor belt 2. The first conveyor belt 2 and the second conveyor belt 6 rotate at the same speed and in the same direction. The raw materials in the hopper 7 fall onto the second conveyor belt 6, and after being pressed by the pre-pressing roller 8, they fall onto the first conveyor belt 2. At the same time, the film 12 rotates between the two support rollers 11 and the pressing roller 3, and the pressing roller 3 and the supporting roller 5 are used to press the quartz stone plates. After the quartz stone plates are pressed, they are conveyed to the cutting unit along with the first conveyor belt 2. Then, the first conveyor belt 2 and the second conveyor belt 6 stop moving synchronously. The slider 20 moves to use the rotating first cutting disc 26 to cut the quartz stone plates. During the movement of the quartz stone plates, the two second cutting discs 28 cut the sides of the quartz stone plates. After the cutting is completed, the quartz stone plates are taken off from the first conveyor belt 2, and the pressing is completed.

[0036] The above embodiments are only the preferred embodiments of the present invention and cannot be used to limit the scope of protection of the present invention. Any non-substantive changes and substitutions made by those skilled in the art based on the present invention belong to the scope of protection required by the present invention.

Claims

1. A pair-roll tablet press belt conveyor, characterized in that: It includes a frame (1). A pre-pressing unit, a tablet pressing unit, and a dividing unit are provided at the head end, middle, and tail end of the frame (1). The tablet pressing unit includes a first conveyor belt (2). A pressing roller (3) is rotatably arranged above the first conveyor belt (2). A supporting roller (5) corresponding to the pressing roller (3) up and down is arranged on the first conveyor belt (2). Support rollers (11) are arranged on both sides of the pressing roller (3). A film coating (12) is arranged between the two support rollers (11) and the supporting roller (5). The dividing unit includes a cross-cutting mechanism and two side-cutting mechanisms. The cross-cutting mechanism includes a sliding mechanism. The sliding mechanism includes a slider (20). A first motor (25) is arranged on the slider (20). The first motor (25) is connected with a first cutting disc (26). The side-cutting mechanism includes a second motor (27). The second motor (27) is connected with a second cutting disc (28).

2. The roll press belt conveyor according to claim 1, characterized in that: The pre-pressing unit includes a second conveyor belt (6). The second conveyor belt (6) is arranged on the frame (1). A hopper (7) is arranged at the upper end of the second conveyor belt (6). A pre-pressing roller (8) is rotatably arranged above the second conveyor belt (6) at the rear side of the hopper (7). The second conveyor belt (6) is arranged above the first conveyor belt (2).

3. The roll press belt machine according to claim 2, characterized in that: Second baffles (9) are arranged on both sides of the second conveyor belt (6) along the conveying direction. First baffles (10) are arranged on both sides of the first conveyor belt (2) along the conveying direction.

4. The roller press belt machine according to claim 2, characterized in that: A height adjustment mechanism connected with the pre-pressing roller (8) and a height adjustment mechanism connected with the pressing roller (3) are arranged on the frame (1).

5. The roller press belt machine according to claim 4, characterized in that: The height adjustment mechanism includes two slide rails (14) and mounting blocks (15) vertically sliding in the slide rails (14). The mounting blocks (15) are rotatably connected with the corresponding pressing roller (3) or pre-pressing roller (8). The upper ends of the slide rails (14) are vertically rotatably connected with lead screws (16). The lead screws (16) are threadedly connected with the corresponding mounting blocks (15). The upper ends of the lead screws (16) are all connected with driven bevel gears. A transmission shaft (17) is horizontally rotatably arranged between the upper ends of the two slide rails (14). Two driving bevel gears are arranged on the transmission shaft (17). The driving bevel gears are meshed with the driven bevel gears on the same side. A rotating handle (18) is arranged at the end of the transmission shaft (17).

6. The pair-roll tablet press belt conveyor according to claim 5, wherein: The height adjustment mechanism corresponding to the pressing roller (3) further includes a rotating motor (19). The rotating motor (19) includes an output shaft. The output shaft is coaxially and fixedly connected with the corresponding transmission shaft (17).

7. The roll press belt conveyor according to claim 1, wherein: The sliding mechanism further includes a slideway (21). The slider (20) is slidably arranged in the slideway (21). Chain wheels (23) are arranged at both ends of the slideway (21). A chain (24) is arranged between the two chain wheels (23). The slider (20) is fixedly connected with the chain (24). A third motor (22) is arranged at one end of the slideway (21). The third motor (22) is connected with the chain wheel (23) on the same side.

8. The roll compactor belt conveyor according to claim 1, wherein: A support roller driving mechanism is arranged on the frame (1). There is one and only one support roller driving mechanism connected with one support roller (11). The support roller driving mechanism includes a fourth motor (13). The fourth motor (13) is coaxially and fixedly connected with the corresponding support roller (11).

Images