An adaptive downward pressure device

Abstract

The present invention belongs to the technical field of dicer, and proposes an adaptive downward pressure device, including: a frame; a first roller and a second roller are both arranged on the frame to rotate horizontally; a third roller, both sides of the frame are respectively provided with first strip mounting holes in the longitudinal direction, and the two ends of the third roller are respectively slidably arranged in the two first strip mounting holes; one end of the first connecting rod is rotatably connected to one end of the first roller, and the number of the first connecting rods is two; the other end of the first connecting rod is rotatably connected to one end of the fourth roller; one end of the second connecting rod is rotatably connected to one end of the third roller, and the other end of the second connecting rod is rotatably connected to one end of the fourth roller, and the number of the second connecting rods is two; the first conveyor belt is wound on the first roller, the second roller, the third roller and the fourth roller. Through the above technical scheme, the problem that the downward pressure device in the prior art cannot be automatically adjusted according to the size of the material is solved.

Description

Technical Field

[0001] The invention belongs to the technical field of dicer machines and relates to an adaptive downward pressing device. Background Art

[0002] With the development of science and technology and the progress of society, food processing has gradually developed towards mass production. Dicer is widely used in the field of food processing. Dicer is a general term for machines that cut food raw materials into cubes and rectangular shapes. Dicer processing machinery has always been relatively backward and has a low degree of automation. Although some dicer have appeared on the market, their pressing devices cannot be automatically adjusted according to the size of the material, so that the material cannot be effectively pressed when being cut, resulting in instability when the material is cut, which in turn leads to poor cutting quality. Therefore, there is an urgent need for an adaptive pressing device that can automatically adjust the pressing height according to the shape and size of the material. Summary of the invention

[0003] The present invention provides an adaptive pressing device, which solves the problem that the pressing device in the prior art cannot be automatically adjusted according to the size of the material.

[0004] The technical solution of the present invention is achieved in this way:

[0005] An adaptive downward pressing device comprises: a frame;

[0006] A first roller and a second roller, wherein the first roller and the second roller are both arranged on the frame for transverse rotation;

[0007] The third roller, the two sides of the frame are respectively provided with first strip-shaped mounting holes in the longitudinal direction, and the two ends of the third roller are respectively slidably arranged in the two first strip-shaped mounting holes;

[0008] a first connecting rod, one end of which is rotatably connected to one end of the first roller, and the number of the first connecting rods is two;

[0009] a fourth roller, the other end of the first connecting rod being rotatably connected to one end of the fourth roller;

[0010] a second connecting rod, one end of which is rotatably connected to one end of the third roller, the other end of which is rotatably connected to one end of the fourth roller, and there are two second connecting rods;

[0011] A first conveyor belt, wherein the first conveyor belt is wound around the first roller, the second roller, the third roller and the fourth roller, the first roller, the second roller and the fourth roller are all located on the inner side of the first conveyor belt, and the third roller is located on the outer side of the first conveyor belt.

[0012] As a further technical solution: it also includes an elastic element, which is arranged on the frame and is used to provide a downward pressing elastic force for the fourth roller.

[0013] As a further technical solution: it also includes a first guide rod, which is axially slidably arranged on the frame, the lower end of the first guide rod is connected to one end of the fourth roller, the number of the first guide rods is two, and the two first guide rods are respectively located on both sides of the frame, the elastic element is a first spring, the first spring is sleeved on the first guide rod, the upper end of the first spring is in contact with the frame, and the lower end of the first spring is in contact with the fourth roller.

[0014] As a further technical solution: it also includes a first mounting block and a first limiting block, the first mounting block is provided with a second strip mounting hole in the longitudinal direction, the upper end of the first guide rod passes through the second strip mounting hole and is connected to the limiting block, the number of the first mounting block and the first limiting block are both two, and the two first mounting blocks and the two first limiting blocks are respectively arranged on both sides of the frame.

[0015] As a further technical solution: it also includes a fifth roller and a sixth roller, both ends of the fifth roller and the sixth roller are respectively rotatably arranged on both sides of the frame, the first conveyor belt is wound around the fifth roller and the sixth roller, the fifth roller is located on the inner side of the first conveyor belt, the sixth roller is located on the outer side of the first conveyor belt, the first roller, the second roller and the fifth roller are coplanar, the sixth roller is located above the fifth roller, and the fourth roller can be rotated to be coplanar with the first roller and the fifth roller.

[0016] As a further technical solution: it also includes a seventh roller and a first lifting device, the number of the first lifting devices is two, the two first lifting devices are respectively arranged on both sides of the frame, the two ends of the seventh roller are respectively rotatably arranged on the first lifting devices, the seventh roller is arranged to rotate horizontally, the two first lifting devices are used to lift the seventh roller, the first conveyor belt is wound around the seventh roller, and the seventh roller is located on the inner side of the first conveyor belt.

[0017] As a further technical solution: further comprising a first mounting frame, the first mounting frame being arranged on the frame, the first lifting device comprising a first screw rod, a first nut, and a first rotating shaft, third strip-shaped mounting holes being arranged on both sides of the first mounting frame in a vertical direction, both ends of the first rotating shaft being slidably arranged in the third strip-shaped mounting holes, and the seventh roller being rotatably arranged on the first rotating shaft;

[0018] First mounting holes are respectively arranged on both sides of the first mounting frame in the vertical direction, the first screw rod is slidably arranged in the first mounting hole, the upper end of the first screw rod passes through the first mounting hole and is threadedly connected to the first nut, and the lower end of the first screw rod is fixedly connected to both ends of the first rotating shaft.

[0019] As a further technical solution: it also includes an installation pin shaft, and fifth installation holes are respectively arranged on both sides of the frame, and sixth installation holes are respectively arranged on both sides of the first mounting frame, the fifth installation hole and the sixth installation hole are respectively arranged correspondingly, and the installation pin shaft passes through the two fifth installation holes and the two sixth installation holes.

[0020] As a further technical solution: a seventh mounting hole is arranged on one side of the frame, an eighth mounting hole is arranged on the corresponding side of the first mounting frame, and a positioning column is also included, and the positioning column is arranged in the seventh mounting hole and the eighth mounting hole.

[0021] As a further technical solution: further comprising a limit sleeve, a holding block, and a second spring, wherein the limit sleeve is arranged on the frame, the limit sleeve is arranged corresponding to the seventh mounting hole and the eighth mounting hole, and a convex edge is arranged on the inner side of one end of the limit sleeve away from the frame along the circumferential direction;

[0022] A protrusion is circumferentially arranged on the side surface of the positioning column, and the protrusion is located in an installation cavity surrounded by the limiting sleeve and the frame. The second spring sleeve is arranged on the positioning column, and the second spring is located in the installation cavity. Two ends of the second spring are respectively in contact with the protrusion and the convex edge. The positioning column passes through the limiting sleeve, and the holding block is arranged at one end of the positioning column located outside the convex edge.

[0023] As a further technical solution: it also includes a second limit block and a third limit block, the second limit block and the third limit block are arranged on one side of the frame, and the first connecting rod is located between the second limit block and the third limit block.

[0024] As a further technical solution: it also includes a second mounting block, a third mounting block, and an eighth roller, the number of the second mounting blocks and the third mounting blocks is two, the two ends of the fourth roller and the eighth roller are respectively rotatably set on the two second mounting blocks, the middle part of the second mounting block is rotatably set on the third mounting block, the lower ends of the two first guide rods are respectively fixedly connected to the two third mounting blocks, the lower ends of the two first springs are respectively in contact with the two third mounting blocks, the lower ends of the two first connecting rods are respectively rotatably connected to the two second mounting blocks, and the lower ends of the two second connecting rods are respectively rotatably connected to the two second mounting blocks.

[0025] As a further technical solution: the second mounting block is provided with a first strip hole and a second strip hole, both of which are arc-shaped and both take the rotating axis of the second mounting block as the center, and the third mounting block is provided with a first adjustment column and a second adjustment column, and the first adjustment column and the second adjustment column are respectively slidably set in the first strip hole and the second strip hole.

[0026] As a further technical solution: it also includes a limit plate, the number of which is two, the two limit plates are respectively fixedly connected to the two third mounting blocks, a limit groove is arranged on the limit plate, the limit groove is arc-shaped and takes the axis center of the first rotating shaft as the center of the circle, and the limit groove is arranged corresponding to the end of the sixth roller.

[0027] The working principle and beneficial effects of the present invention are:

[0028] 1. In the present invention, the adaptive downward pressing device is installed above the material channel of the dicer, and the fourth roller is placed at a relatively low height, so that when the material is conveyed to the bottom of the adaptive downward pressing device by the material conveyor belt, the fourth roller can rotate around the first roller according to the actual height of the material, can perform flexible downward pressing, and can adapt to materials of different heights, thereby increasing the versatility of the present invention. The two ends of the fourth roller are connected to the two ends of the first roller by the first connecting rod, and the two ends of the fourth roller are connected to the two ends of the third roller by the second connecting rod, so that when the fourth roller rotates, the third roller can move longitudinally accordingly, and the distance between the third roller and the fourth roller and the fourth roller and the first roller is kept unchanged during the movement, so that the length of the first conveyor belt between the third roller and the fourth roller and between the fourth roller and the first roller is also unchanged. When the fourth roller rotates around the first roller, the length of the first conveyor belt changes slightly. Since the first conveyor belt itself is elastic, the first conveyor belt can be kept in a taut state, ensuring the stability of the first conveyor belt pressing down on the material, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0029] 2. In the present invention, under the elastic force of the elastic element, the downward pressure of the fourth roller on the material can be increased, so that the downward pressure of the fourth roller and the first conveyor belt on the material is more stable, thereby ensuring that the material remains stable when being cut, thereby ensuring the cutting quality.

[0030] 3. In the present invention, the elastic element is a first spring, the upper and lower ends of the first spring are in contact with the frame and the fourth roller respectively, and the first guide rod is used to guide the first spring, so that the direction of the elastic force of the first spring on the fourth roller can remain stable, so that the downward pressure of the fourth roller and the first conveyor belt on the material can remain stable, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0031] 4. In the present invention, the upper end of the first guide rod is slidably installed in the second strip-shaped mounting hole. When the fourth roller rotates around the first roller, the first guide rod will tilt in the second strip-shaped mounting hole. The second strip-shaped mounting hole will provide a tilting space for the first guide rod and guide it, so that it remains stable during tilting. The first limit block is used to limit the downward movement of the first guide rod, and then the lowest position of the fourth roller is limited to ensure that the height of the fourth roller is within the effective working range, thereby enhancing the reliability of the present invention.

[0032] 5. In the present invention, the first roller, the second roller and the fifth roller are coplanar, and the sixth roller is located above the fifth roller, providing a rotation space for the fourth roller, so that the fourth roller can rotate to be coplanar with the first roller and the fifth roller. When the three are coplanar, a stable plane is formed on the lower side of the first conveyor belt, which increases the contact area with the material when the material is pressed down, thereby enhancing the stability of the material when cutting the material, thereby ensuring the cutting quality.

[0033] 6. In the present invention, the seventh roller is used to tension the first conveyor belt. When the first conveyor belt needs to be tightened, the two first lifting devices can be used to drive the seventh roller to move upward to tighten the first conveyor belt. When the first conveyor belt needs to be loosened, the two first lifting devices can be used to drive the seventh roller to move downward to loosen the first conveyor belt. The tightness of the first conveyor belt can be adjusted by the lifting and lowering movement of the first lifting devices. When the heights of both sides of the first conveyor belt are different, causing the first conveyor belt to move horizontally, the heights of both sides of the first conveyor belt can also be adjusted by the two first lifting devices to make the heights flush, thereby ensuring that the first conveyor belt can stably press down the material when working. The structure is simple and easy to implement, which enhances the practicality of the present invention.

[0034] 7. In the present invention, the height of the first rotating shaft can be adjusted by screwing the nut to raise and lower the first screw, thereby adjusting the height of the seventh roller, and further adjusting the tightness of the first conveyor belt. When the first conveyor belt needs to be tightened, it is only necessary to rotate the first nut to make the first screw drive the first rotating shaft to move upward. When the first conveyor belt needs to be loosened, it is only necessary to rotate the first nut to make the first screw drive the first rotating shaft to move downward. When the heights of the two sides of the first conveyor belt are different, causing the first conveyor belt to move horizontally, the first nut can be rotated to make the two sides of the first conveyor belt level in height, thereby ensuring that the first conveyor belt can stably press down the material when working. The operation is simple and easy to implement, which increases the practicality of the present invention.

[0035] 8. In the present invention, the first mounting frame is installed on the frame by using the mounting pin. When the first conveyor belt needs to be disassembled, the first mounting frame is driven to rotate by rotating the mounting pin to loosen the first conveyor belt. Then the first conveyor belt can be disassembled. The structure is simple and the convenience of disassembly and assembly of the first conveyor belt is improved.

[0036] 9. In the present invention, the positioning columns are installed in the seventh mounting hole and the eighth mounting hole, so that the frame and the first mounting frame are positioned by installing the pins and the positioning columns, thereby increasing the stability and reliability of the positioning between the frame and the first mounting frame.

[0037] 10. In the present invention, when it is necessary to install the first mounting frame on the frame, first pull the holding block to retract the positioning column, then align the seventh mounting hole with the eighth mounting hole, and then release the holding block. The second spring applies elastic force to the protrusion to press the positioning column into the seventh mounting hole and the eighth mounting hole. When it is necessary to remove the first conveyor belt from the frame, first pull the holding block to retract the positioning column to lose its positioning effect on the first mounting frame, and then rotate the mounting pin to drive the first mounting frame to rotate, so that the first conveyor belt is loosened, and then the first conveyor belt can be disassembled. The second spring is used to compress the positioning column, so that the positioning of the first mounting frame and the frame by the positioning column is stable and reliable, the structure is simple, and it is easy to implement, making the assembly and disassembly of the positioning connection between the first mounting frame and the frame more convenient.

[0038] 11. In the present invention, the first connecting rod is installed between the second limit block and the third limit block, and the second limit block and the third limit block are used to limit the first connecting rod, thereby limiting the height adjustment range of the fourth roller, and limiting the adjustable height range of the fourth roller within the effective working range, thereby further enhancing the reliability of the present invention.

[0039] 12. In the present invention, the fourth roller and the eighth roller are connected with the first connecting rod and the second connecting rod through the second mounting block and the third mounting block, so that the fourth roller, the eighth roller and the first conveyor belt between the fourth roller and the eighth roller form a downward pressing plane, and the second mounting block, the fourth roller and the eighth roller can rotate relative to the third mounting block as a whole, so that the angle of the downward pressing plane can be adjusted according to the actual shape of the material, ensuring that there is sufficient contact area when the material is pressed down, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0040] 13. In the present invention, the position of the first adjustment column in the first strip hole can be fine-adjusted, and the position of the second adjustment column in the second strip hole can also be fine-adjusted, so that the angle between the second mounting block and the third mounting block can also be fine-adjusted, thereby achieving fine-tuning of the plane angle of the fourth roller and the eighth roller, so that the fourth roller, the eighth roller and the first conveyor belt can better adapt to the shape and height of the material, ensuring that there is sufficient contact area when the material is pressed down, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0041] 14. In the present invention, a limit plate is installed on the third mounting block, so that when the third mounting block moves as a whole under the drive of the first connecting rod, the end of the sixth roller can be embedded in the limit groove, so that the limit plate and the third mounting block will not rotate, thereby making the downward pressure contact surface formed by the fourth roller, the eighth roller and the first conveyor belt maintain stability, thereby ensuring that the material can remain stable when subjected to the downward pressure of the fourth roller, the eighth roller and the first conveyor belt, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0043] Figure 1 It is a schematic diagram of the structure of the present invention;

[0044] Figure 2 This is a schematic diagram of the structure of the present invention installed on a dicer;

[0045] Figure 3 This is a schematic diagram of the structure of the present invention after the first conveyor belt is removed;

[0046] Figure 4 This is a schematic diagram of the installation structure of the second installation block and the third installation block of the present invention;

[0047] Figure 5 It is a schematic diagram of the installation structure of the rack and the first mounting frame of the present invention;

[0048] Figure 6 This is a schematic diagram of the installation structure of the positioning column of the present invention;

[0049] In the figure: 1-frame, 11-first roller, 12-second roller, 13-third roller, 14-fourth roller, 15-fifth roller, 16-sixth roller, 17-seventh roller, 18-eighth roller, 19-first mounting frame, 191-third strip mounting hole, 192-first mounting hole, 21-first strip mounting hole, 31-first connecting rod, 32-second connecting rod, 4-first conveyor belt, 51-elastic element, 52-first guide rod, 61-first mounting block, 611-second strip mounting hole, 62-first limit block, 7-first lifting device, 71-first screw, 72-first A nut, 73-a first rotating shaft, 81-an installation pin, 82-a fifth installation hole, 83-a sixth installation hole, 84-a seventh installation hole, 85-an eighth installation hole, 86-a positioning column, 91-a limiting sleeve, 92-a holding block, 93-a second spring, 94-a convex edge, 95-a protrusion, 101-a second limiting block, 102-a third limiting block, 111-a second installation block, 112-a third installation block, 1111-a first strip hole, 1112-a second strip hole, 1121-a first adjusting column, 1122-a second adjusting column, 121-a limiting plate, 122-a limiting groove. DETAILED DESCRIPTION

[0050] The following will be combined with the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0051] like Figures 1 to 6 As shown, an adaptive downward pressing device comprises: a frame 1;

[0052] A first roller 11 and a second roller 12, both of which are arranged on the frame 1 for horizontal rotation;

[0053] The third roller 13, the two sides of the frame 1 are respectively provided with first strip-shaped mounting holes 21 in the longitudinal direction, and the two ends of the third roller 13 are respectively slidably arranged in the two first strip-shaped mounting holes 21;

[0054] A first connecting rod 31, one end of which is rotatably connected to one end of the first roller 11, and there are two first connecting rods 31;

[0055] The fourth roller 14, the other end of the first connecting rod 31 and one end of the fourth roller 14 are rotatably connected;

[0056] A second connecting rod 32, one end of the second connecting rod 32 is rotatably connected to one end of the third roller 13, and the other end of the second connecting rod 32 is rotatably connected to one end of the fourth roller 14, and the number of the second connecting rods 32 is two;

[0057] The first conveyor belt 4 is wound around a first roller 11, a second roller 12, a third roller 13 and a fourth roller 14. The first roller 11, the second roller 12 and the fourth roller 14 are all located on the inner side of the first conveyor belt 4, and the third roller 13 is located on the outer side of the first conveyor belt 4.

[0058] In this embodiment, the adaptive downward pressing device is installed above the material channel of the dicer, and the fourth roller 14 is placed at a relatively low height, so that when the material is conveyed to the bottom of the adaptive downward pressing device by the material conveyor belt, the fourth roller 14 can rotate around the first roller 11 according to the actual height of the material, and can perform flexible downward pressing, which can adapt to materials of different heights, thereby increasing the versatility of this embodiment, and the first connecting rod 31 is used to connect the two ends of the fourth roller 14 with the two ends of the first roller 11, and the second connecting rod 32 is used to connect the two ends of the fourth roller 14 with the two ends of the third roller 13, so that the fourth roller 14 When rotating, the third roller 13 can make corresponding longitudinal movement, and the distance between the third roller 13 and the fourth roller 14, and the distance between the fourth roller 14 and the first roller 11 remain unchanged during the movement. Therefore, the length of the first conveyor belt 4 between the third roller 13 and the fourth roller 14, and between the fourth roller 14 and the first roller 11 remain unchanged. When the fourth roller 14 rotates around the first roller 11, the length of the first conveyor belt 4 changes slightly. Since the first conveyor belt 4 itself is elastic, the first conveyor belt 4 can be kept taut, thereby ensuring the stability of the first conveyor belt 4 pressing down on the material, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0059] Further: an elastic element 51 is also included, and the elastic element 51 is arranged on the frame 1 , and the elastic element 51 is used to provide a downward pressing elastic force for the fourth roller 14 .

[0060] In this embodiment, under the elastic force of the elastic element 51, the downward pressure of the fourth roller 14 on the material can be increased, so that the downward pressure of the fourth roller 14 and the first conveyor belt 4 on the material is more stable, thereby ensuring that the material remains stable when being cut, thereby ensuring the cutting quality.

[0061] Further: it also includes a first guide rod 52, which is axially slidably arranged on the frame 1, and the lower end of the first guide rod 52 is connected to one end of the fourth roller 14. There are two first guide rods 52, and the two first guide rods 52 are respectively located on both sides of the frame 1. The elastic element 51 is a first spring, and the first spring is sleeved on the first guide rod 52. The upper end of the first spring contacts the frame 1, and the lower end of the first spring contacts the fourth roller 14.

[0062] In this embodiment, the elastic element 51 is a first spring, the upper and lower ends of the first spring are in contact with the frame 1 and the fourth roller 14 respectively, and the first guide rod 52 is used to guide the first spring, so that the direction of the elastic force of the first spring on the fourth roller 14 can remain stable, so that the downward pressure of the fourth roller 14 and the first conveyor belt 4 on the material can remain stable, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0063] Further: it also includes a first mounting block 61 and a first limiting block 62. The first mounting block 61 is provided with a second strip mounting hole 611 in the longitudinal direction. The upper end of the first guide rod 52 passes through the second strip mounting hole 611 and is connected to the limiting block. The number of the first mounting block 61 and the first limiting block 62 are both two. The two first mounting blocks 61 and the two first limiting blocks 62 are respectively arranged on both sides of the frame 1.

[0064] In this embodiment, the upper end of the first guide rod 52 is slidably installed in the second strip-shaped mounting hole 611. When the fourth roller 14 rotates around the first roller 11, the first guide rod 52 will tilt in the second strip-shaped mounting hole 611. The second strip-shaped mounting hole 611 will provide a tilting space for the first guide rod 52 and guide it, so that it remains stable during tilting, and the first limit block 62 is used to limit the downward movement of the first guide rod 52, thereby limiting the lowest position of the fourth roller 14, ensuring that the height of the fourth roller 14 is within the effective working range, thereby enhancing the reliability of this embodiment.

[0065] Further: it also includes a fifth roller 15 and a sixth roller 16, both ends of the fifth roller 15 and the sixth roller 16 are rotatably arranged on both sides of the frame 1, respectively, the first conveyor belt 4 is wound around the fifth roller 15 and the sixth roller 16, the fifth roller 15 is located on the inner side of the first conveyor belt 4, the sixth roller 16 is located on the outer side of the first conveyor belt 4, the first roller 11, the second roller 12 and the fifth roller 15 are coplanar, the sixth roller 16 is located above the fifth roller 15, and the fourth roller 14 can be rotated to be coplanar with the first roller 11 and the fifth roller 15.

[0066] In this embodiment, the first roller 11, the second roller 12 and the fifth roller 15 are coplanar, and the sixth roller 16 is located above the fifth roller 15, providing a rotation space for the fourth roller 14, so that the fourth roller 14 can rotate to be coplanar with the first roller 11 and the fifth roller 15. When the three are coplanar, a stable plane is formed on the lower side of the first conveyor belt 4, which increases the contact area with the material when the material is pressed down, thereby enhancing the stability of the material when cutting the material, thereby ensuring the cutting quality.

[0067] Further: it also includes a seventh roller 17 and a first lifting device 7. The number of the first lifting devices 7 is two. The two first lifting devices 7 are respectively arranged on both sides of the frame 1. The two ends of the seventh roller 17 are respectively rotatably arranged on the first lifting devices 7. The seventh roller 17 is arranged to rotate horizontally. The two first lifting devices 7 are used to lift and lower the seventh roller 17. The first conveyor belt 4 is wound around the seventh roller 17, and the seventh roller 17 is located on the inner side of the first conveyor belt 4.

[0068] In this embodiment, the seventh roller 17 is used to tension the first conveyor belt 4. When the first conveyor belt 4 needs to be tightened, the two first lifting devices 7 can be used to drive the seventh roller 17 to move upward to tighten the first conveyor belt 4. When the first conveyor belt 4 needs to be loosened, the two first lifting devices 7 can be used to drive the seventh roller 17 to move downward to loosen the first conveyor belt 4. The tightness of the first conveyor belt 4 can be adjusted by the lifting and lowering movement of the first lifting devices 7. When the heights of the two sides of the first conveyor belt 4 are different, causing the first conveyor belt 4 to move horizontally, the two first lifting devices 7 can also be used to adjust the heights of the two sides of the first conveyor belt 4 horizontally to make the heights flush, thereby ensuring that the first conveyor belt 4 can stably press down the material when working. The structure is simple and easy to implement, which enhances the practicality of this embodiment.

[0069] Further: it also includes a first mounting frame 19, the first mounting frame 19 is arranged on the frame 1, the first lifting device 7 includes a first screw rod 71, a first nut 72, and a first rotating shaft 73, both sides of the first mounting frame 19 are respectively provided with third strip mounting holes 191 in the vertical direction, both ends of the first rotating shaft 73 are respectively slidably arranged in the third strip mounting holes 191, and the seventh roller 17 is rotatably arranged on the first rotating shaft 73;

[0070] First mounting holes 192 are respectively provided on both sides of the first mounting frame 19 in the vertical direction. The first screw rod 71 is slidably set in the first mounting hole 192. The upper end of the first screw rod 71 passes through the first mounting hole 192 and is threadedly connected to the first nut 72. The lower end of the first screw rod 71 is fixedly connected to both ends of the first rotating shaft 73.

[0071] In this embodiment, the height of the first rotating shaft 73 can be adjusted by screwing the nut to raise and lower the first screw rod 71, thereby adjusting the height of the seventh roller 17, and further adjusting the tightness of the first conveyor belt 4. When the first conveyor belt 4 needs to be tightened, it is only necessary to rotate the first nut 72 to make the first screw rod 71 drive the first rotating shaft 73 to move upward. When the first conveyor belt 4 needs to be loosened, it is only necessary to rotate the first nut 72 to make the first screw rod 71 drive the first rotating shaft 73 to move downward. When the heights of the two sides of the first conveyor belt 4 are different, causing the first conveyor belt 4 to move horizontally, the first nut 72 can also be rotated to make the two sides of the first conveyor belt 4 level in height, thereby ensuring that the first conveyor belt 4 can stably press down the material when working. The operation is simple and easy to implement, which increases the practicality of this embodiment.

[0072] Further: it also includes an installation pin 81, and fifth installation holes 82 are respectively provided on both sides of the frame 1, and sixth installation holes 83 are respectively provided on both sides of the first installation frame 19. The fifth installation hole 82 and the sixth installation hole 83 are correspondingly arranged, and the installation pin 81 passes through the two fifth installation holes 82 and the two sixth installation holes 83.

[0073] In this embodiment, the first mounting frame 19 is installed on the frame 1 using the mounting pin 81. When the first conveyor belt 4 needs to be disassembled, the first mounting frame 19 is rotated by rotating the mounting pin 81 to loosen the first conveyor belt 4. Then the first conveyor belt 4 can be disassembled. The structure is simple, which improves the convenience of disassembly and assembly of the first conveyor belt 4.

[0074] Furthermore, a seventh mounting hole 84 is provided on one side of the rack 1 , an eighth mounting hole 85 is provided on the corresponding side of the first mounting frame 19 , and a positioning column 86 is also provided. The positioning column 86 is provided in the seventh mounting hole 84 and the eighth mounting hole 85 .

[0075] In this embodiment, the positioning column 86 is installed in the seventh mounting hole 84 and the eighth mounting hole 85, so that the rack 1 and the first mounting frame 19 are positioned by installing the pin shaft 81 and the positioning column 86, thereby increasing the stability and reliability of the positioning between the rack 1 and the first mounting frame 19.

[0076] Further: it also includes a limiting sleeve 91, a holding block 92, and a second spring 93. The limiting sleeve 91 is arranged on the frame 1. The limiting sleeve 91 is arranged corresponding to the seventh mounting hole 84 and the eighth mounting hole 85. The inner side of one end of the limiting sleeve 91 away from the frame 1 is provided with a convex edge 94 along the circumferential direction;

[0077] A protrusion 95 is circumferentially provided on the side of the positioning column 86, and the protrusion 95 is located in the installation cavity surrounded by the limiting sleeve 91 and the frame 1. The second spring 93 is sleeved on the positioning column 86, and the second spring 93 is located in the installation cavity. The two ends of the second spring 93 are respectively in contact with the protrusion 95 and the convex edge 94. The positioning column 86 passes through the limiting sleeve 91, and the holding block 92 is arranged at one end of the positioning column 86 located outside the convex edge 94.

[0078] The second spring 93 is used to press the positioning column 86, so that the positioning column 86 can be stably and reliably positioned between the first mounting frame 19 and the frame 1, and the second spring 93 can be used to press the positioning column 86 to the seventh mounting hole 84 and the eighth mounting hole 85.

[0079] Furthermore, it also includes a second limit block 101 and a third limit block 102 . The second limit block 101 and the third limit block 102 are arranged on one side of the frame 1 , and the first connecting rod 31 is located between the second limit block 101 and the third limit block 102 .

[0080] In this embodiment, the first connecting rod 31 is installed between the second limit block 101 and the third limit block 102, and the second limit block 101 and the third limit block 102 are used to limit the first connecting rod 31, thereby limiting the height adjustment range of the fourth roller 14. The height adjustable range of the fourth roller 14 is limited within the effective working range, further enhancing the reliability of this embodiment.

[0081] Further: it also includes a second mounting block 111, a third mounting block 112, and an eighth roller 18. The number of the second mounting blocks 111 and the third mounting blocks 112 is two. The two ends of the fourth roller 14 and the eighth roller 18 are respectively rotatably set on the two second mounting blocks 111, and the middle part of the second mounting block 111 is rotatably set on the third mounting block 112. The lower ends of the two first guide rods 52 are respectively fixedly connected to the two third mounting blocks 112, the lower ends of the two first springs are respectively in contact with the two third mounting blocks 112, the lower ends of the two first connecting rods 31 are respectively rotatably connected to the two second mounting blocks 111, and the lower ends of the two second connecting rods 32 are respectively rotatably connected to the two second mounting blocks 111.

[0082] In this embodiment, the fourth roller 14 and the eighth roller 18 are connected to the first connecting rod 31 and the second connecting rod 32 through the second mounting block 111 and the third mounting block 112, so that the fourth roller 14, the eighth roller 18 and the first conveyor belt 4 between the fourth roller 14 and the eighth roller 18 form a downward pressure plane, and the second mounting block 111, the fourth roller 14, and the eighth roller 18 can rotate relative to the third mounting block 112 as a whole, so that the angle of the downward pressure plane can be adjusted according to the actual shape of the material, ensuring that there is sufficient contact area when the material is pressed down, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0083] Further: the second mounting block 111 is provided with a first bar hole 1111 and a second bar hole 1112, both of which are arc-shaped and both take the rotating axis of the second mounting block 111 as the center, and the third mounting block 112 is provided with a first adjustment column 1121 and a second adjustment column 1122, and the first adjustment column 1121 and the second adjustment column 1122 are slidably arranged in the first bar hole 1111 and the second bar hole 1112 respectively.

[0084] In this embodiment, the position of the first adjustment column 1121 in the first strip hole 1111 can be fine-adjusted, and the position of the second adjustment column 1122 in the second strip hole 1112 can also be fine-adjusted, so that the angle between the second mounting block 111 and the third mounting block 112 can also be fine-adjusted, thereby achieving fine-tuning of the plane angle of the fourth roller 14 and the eighth roller 18, so that the fourth roller 14 and the eighth roller 18 and the first conveyor belt 4 can better adapt to the shape and height of the material, ensuring that there is sufficient contact area when the material is pressed down, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0085] Furthermore: it also includes a limit plate 121, the number of the limit plates 121 is two, the two limit plates 121 are fixedly connected to the two third mounting blocks 112 respectively, and a limit groove 122 is set on the limit plate 121. The limit groove 122 is arc-shaped and takes the axis center of the first rotating shaft 73 as the center of the circle. The limit groove 122 is set corresponding to the end of the sixth roller 16.

[0086] In this embodiment, a limit plate 121 is installed on the third mounting block 112, so that when the third mounting block 112 moves as a whole under the drive of the first connecting rod 31, the end of the sixth roller 16 can be embedded in the limit groove 122, so that the limit plate 121 and the third mounting block 112 will not rotate, thereby making the downward pressure contact surface formed by the fourth roller 14, the eighth roller 18 and the first conveyor belt 4 maintain stability, thereby ensuring that the material can remain stable when subjected to the downward pressure of the fourth roller 14, the eighth roller 18 and the first conveyor belt 4, thereby improving the stability of the material when being cut, thereby ensuring the cutting quality.

[0087] 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. An adaptive downward pressure device, characterized in that: including a frame (1); A first roller (11) and a second roller (12), wherein the first roller (11) and the second roller (12) are both arranged on the frame (1) so as to rotate in a transverse direction; A third roller (13), wherein first strip-shaped mounting holes (21) are respectively arranged longitudinally on both sides of the frame (1), and both ends of the third roller (13) are respectively slidably arranged in the two first strip-shaped mounting holes (21); a first connecting rod (31), one end of the first connecting rod (31) being rotatably connected to one end of the first roller (11), and the number of the first connecting rods (31) being two; a fourth roller (14), the other end of the first connecting rod (31) and one end of the fourth roller (14) being rotatably connected; a second connecting rod (32), one end of the second connecting rod (32) being rotatably connected to one end of the third roller (13), and the other end of the second connecting rod (32) being rotatably connected to one end of the fourth roller (14), and the number of the second connecting rods (32) being two; a first conveyor belt (4), the first conveyor belt (4) being wound around the first roller (11), the second roller (12), the third roller (13) and the fourth roller (14), the first roller (11), the second roller (12) and the fourth roller (14) being located on the inner side of the first conveyor belt (4), and the third roller (13) being located on the outer side of the first conveyor belt (4); It also comprises an elastic element (51), wherein the elastic element (51) is arranged on the frame (1), and the elastic element (51) is used to provide a downward pressing elastic force for the fourth roller (14); The invention also comprises a fifth roller (15) and a sixth roller (16), the two ends of the fifth roller (15) and the two ends of the sixth roller (16) are rotatably arranged on both sides of the frame (1), the first conveyor belt (4) is wound around the fifth roller (15) and the sixth roller (16), the fifth roller (15) is located on the inner side of the first conveyor belt (4), the sixth roller (16) is located on the outer side of the first conveyor belt (4), the first roller (11), the second roller (12) and the fifth roller (15) are coplanar, the sixth roller (16) is located above the fifth roller (15), and the fourth roller (14) can be rotated to be coplanar with the first roller (11) and the fifth roller (15).

2. The adaptive downward pressure device according to claim 1, characterized in that: The invention also comprises a first guide rod (52), the first guide rod (52) being axially slidably arranged on the frame (1), the lower end of the first guide rod (52) being connected to one end of the fourth roller (14), the number of the first guide rods (52) being two, the two first guide rods (52) being respectively located on both sides of the frame (1), the elastic element (51) being a first spring, the first spring being sleeved on the first guide rod (52), the upper end of the first spring being in contact with the frame (1), and the lower end of the first spring being in contact with the fourth roller (14).

3. The adaptive downward pressure device according to claim 1, characterized in that: It also includes a seventh roller (17) and a first lifting device (7). The number of the first lifting devices (7) is two. The two first lifting devices (7) are respectively arranged on both sides of the frame (1). The two ends of the seventh roller (17) are respectively rotatably arranged on the first lifting devices (7). The seventh roller (17) is rotatably arranged in a transverse direction. The two first lifting devices (7) are used to lift and lower the seventh roller (17). The first conveyor belt (4) is wound around the seventh roller (17). The seventh roller (17) is located on the inner side of the first conveyor belt (4).

4. The adaptive downward pressure device according to claim 3, characterized in that: The invention also comprises a first mounting frame (19), wherein the first mounting frame (19) is arranged on the frame (1); the first lifting device (7) comprises a first screw rod (71), a first nut (72), and a first rotating shaft (73); third strip-shaped mounting holes (191) are respectively arranged on both sides of the first mounting frame (19) in a vertical direction; both ends of the first rotating shaft (73) are respectively slidably arranged in the third strip-shaped mounting holes (191); and the seventh roller (17) is rotatably arranged on the first rotating shaft (73).

5. The adaptive downward pressure device according to claim 4, characterized in that: It also includes a mounting pin (81), the frame (1) is provided with a fifth mounting hole (82) on both sides, the first mounting frame (19) is provided with a sixth mounting hole (83) on both sides, the fifth mounting hole (82) and the sixth mounting hole (83) are provided correspondingly, and the mounting pin (81) passes through two of the fifth mounting holes (82) and two of the sixth mounting holes (83).

6. The adaptive downward pressure device according to claim 5, characterized in that: A seventh mounting hole (84) is provided on one side of the frame (1), an eighth mounting hole (85) is provided on the corresponding side of the first mounting frame (19), and a positioning column (86) is further provided. The positioning column (86) is arranged in the seventh mounting hole (84) and the eighth mounting hole (85).

7. The adaptive downward pressure device according to claim 6, characterized in that: The machine frame (1) further comprises a limiting sleeve (91), a holding block (92), and a second spring (93); the limiting sleeve (91) is arranged on the frame (1); the limiting sleeve (91) is arranged corresponding to the seventh mounting hole (84) and the eighth mounting hole (85); a convex edge (94) is circumferentially arranged on the inner side of one end of the limiting sleeve (91) away from the frame (1); a protrusion (95) is circumferentially arranged on the side surface of the positioning column (86); the protrusion (95) is located at the inner side of the positioning column (86); In the installation cavity enclosed by the limiting sleeve (91) and the frame (1), the second spring (93) is sleeved on the positioning column (86), the second spring (93) is located in the installation cavity, the two ends of the second spring (93) are respectively in contact with the protrusion (95) and the convex edge (94), the positioning column (86) passes through the limiting sleeve (91), and the holding block (92) is arranged at one end of the positioning column (86) located outside the convex edge (94).

8. The adaptive downward pressure device according to claim 2, characterized in that: The invention also comprises a second mounting block (111), a third mounting block (112), and an eighth roller (18); the number of the second mounting block (111) and the third mounting block (112) is two; the two ends of the fourth roller (14) and the eighth roller (18) are respectively rotatably mounted on the two second mounting blocks (111); the middle part of the second mounting block (111) is rotatably mounted on the third mounting block (112); the lower ends of the two first guide rods (52) are respectively fixedly connected to the two third mounting blocks (112); the lower ends of the two first springs are respectively in contact with the two third mounting blocks (112); the lower ends of the two first connecting rods (31) are respectively rotatably connected to the two second mounting blocks (111); and the lower ends of the two second connecting rods (32) are respectively rotatably connected to the two second mounting blocks (111).

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