Quick roller changing device of elastic roller press

Abstract

The utility model belongs to the technical field of roller press roller changing, and particularly relates to an elastic roller press quick roller changing device which comprises a foot stool, a lower machine shell is installed on the foot stool, a connecting plate is fixedly installed on one side wall of the lower machine shell, three sets of moving grooves are formed in the connecting plate, moving blocks are assembled in the moving grooves, and the moving blocks are connected with the lower machine shell. Wherein a first screw rod is rotatably mounted on the inner wall of one group of moving grooves, a first guide plate is mounted on the moving block, a fixed block is fixedly mounted in the sliding groove, a mounting block is mounted on the fixed block, one end of a new extrusion roller is placed in a rod groove of the mounting block on the second guide plate, then a first knob is reversely rotated, and the first guide plate is mounted on the first screw rod. The first guide plate is driven to move towards the extrusion roller, then the other end of the extrusion roller is inserted into the mounting block on the first guide plate, and the two opposite mounting blocks of the first guide plate and the second guide plate clamp and fix the extrusion roller, so that the extrusion roller is quickly mounted, and the roller replacement efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of roller changing of roller presses, in particular to a fast roller changing device for an elastic roller press. Background Art

[0002] The roller press is designed based on the principle of material bed grinding. It consists of two extrusion rollers that rotate synchronously in opposite directions, one is a fixed roller and the other is a movable roller. Long-term use of the rollers will cause fatigue wear or damage. Therefore, the extrusion rollers need to be replaced, so a roller changing device is required.

[0003] The roll changing device includes a slide rail structure: used to support and position the rolling roller, while allowing the roller shaft to move quickly in the up and down, left and right directions; a roll changing mechanism: including a roll changing device, a clamping mechanism, a positioning device and other components, which can quickly and accurately replace the rolls; a transmission system: driving the rotation of the rolls through motors, reducers and other devices to achieve rolling processing operations; when the rolls need to be replaced, first lift the rolls to an appropriate position to separate them from the slide rail structure; at the same time, open the roll changing mechanism to release the rolls; next, the operator removes the old rolls and places the new rolls on the positioning device; fixes the new rolls on the slide rail structure through the roll changing mechanism, and performs a clamping operation to ensure that the rolls can operate stably.

[0004] In the process of replacing the squeezing rollers in the existing roller changing device of the elastic roller press, the steps are complicated, resulting in low efficiency of roller changing. Therefore, in order to solve the above problem, a fast roller changing device of the elastic roller press is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model provides a fast roller changing device for an elastic roller press.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an elastic roller press quick roller changing device, comprising a tripod, a lower housing is installed on the tripod, a discharge hopper is installed on the lower housing, an upper housing is fixedly installed on the lower housing by bolts, a feed hopper is installed on the upper housing, square grooves are provided on the side walls of the lower housing and the upper housing, a connecting plate is fixedly installed on one side wall of the lower housing, three groups of movable grooves are provided in the connecting plate, and movable blocks are assembled in the movable grooves, a first screw rod is rotatably installed on the inner wall of one group of movable grooves, a first knob is welded on one side of the first screw rod, a thread is provided on the movable block and slides in cooperation with the first screw rod through the thread, and a first The guide plate, a slide groove is provided in the first guide plate, a fixed block is fixedly installed in the slide groove, a mounting block is installed on the fixed block, a rotating block is rotatably installed on the mounting block through a bearing, a rod groove is provided on the rotating block, an extrusion roller is installed in the rod groove, a sliding block is installed in the first guide plate, and the mounting block is installed on the sliding block. By putting one end of the new extrusion roller into the rod groove of the mounting block on the second guide plate, and then rotating the first knob in the opposite direction, the first guide plate is driven to move toward the extrusion roller, and then the other end of the extrusion roller is inserted into the mounting block on the first guide plate, and the two sets of mounting blocks opposite to the first guide plate and the second guide plate clamp and fix the extrusion roller, thereby realizing rapid installation of the extrusion roller, which is beneficial to improving the efficiency of roller replacement.

[0007] Preferably, a spring is installed on the sliding block, the other end of the spring is connected to the fixed block, a second screw rod is installed on the side wall of the first guide plate by threaded rotation, one end of the second screw rod is welded with a push block, and the other end of the second screw rod is installed with a second knob, the second guide plate is fixedly installed on the other side wall of the lower casing, the second guide plate has the same structure as the first guide plate, a motor is installed on the sliding block and the fixed block in the second guide plate through a machine base, the output shaft of the motor is connected to the rotating block in the mounting block, the push block is driven to move horizontally by the second screw rod, the push block pushes the sliding block to move horizontally, or under the thrust of the spring, the sliding block moves horizontally toward the push block, thereby realizing the adjustment of the distance between the sliding block and the fixed block, the adjustment of the distance between the two sets of extrusion rollers, and the adjustment of the material pressing thickness. This structure can adjust the distance between the extrusion rollers according to the material pressing thickness, which is beneficial to improving the adjustability of the roller press.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model places one end of a new squeezing roller into the rod groove of the mounting block on the second guide plate, then rotates the first knob in the opposite direction to drive the first guide plate to move toward the squeezing roller, and then inserts the other end of the squeezing roller into the mounting block on the first guide plate. The two sets of mounting blocks opposite to the first guide plate and the second guide plate clamp and fix the squeezing roller, thereby realizing rapid installation of the squeezing roller and being beneficial to improving roller replacement efficiency.

[0010] 2. The utility model drives the push block to move horizontally through the second screw rod, and the push block pushes the sliding block to move horizontally, or under the thrust of the spring, the sliding block moves horizontally toward the push block, thereby realizing the adjustment of the distance between the sliding block and the fixed block, the adjustment of the distance between the two sets of extrusion rollers, and the adjustment of the pressing thickness of the material. This structure can adjust the distance between the extrusion rollers according to the pressing thickness of the material, which is beneficial to improving the adjustability of the roller press. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the three-dimensional structure of the connection;

[0014] Figure 3 It is a schematic diagram of the three-dimensional structure at the installation block;

[0015] Figure 4 is a schematic diagram of the three-dimensional structure of the second guide plate;

[0016] Figure 5 It is a schematic diagram of the three-dimensional structure of the lower casing.

[0017] In the figure: 1. tripod; 2. lower housing; 3. upper housing; 4. square slot; 5. connecting plate; 6. moving slot; 7. moving block; 8. first screw rod; 9. first knob; 10. first guide plate; 11. slide slot; 12. fixed block; 13. mounting block; 14. rotating block; 15. rod slot; 16. squeezing roller; 17. sliding block; 18. spring; 19. second screw rod; 20. push block; 21. second knob; 22. second guide plate; 23. motor; 24. discharge hopper; 25. feed hopper. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-3 As shown, a quick roller changing device for an elastic roller press comprises a tripod 1, a lower housing 2 is mounted on the tripod 1, a discharge hopper 24 is mounted on the lower housing 2, an upper housing 3 is fixedly mounted on the lower housing 2 by bolts, a feed hopper 25 is mounted on the upper housing 3, square grooves 4 are arranged on the side walls of the lower housing 2 and the upper housing 3, a connecting plate 5 is fixedly mounted on one side wall of the lower housing 2, three groups of moving grooves 6 are arranged in the connecting plate 5, a moving block 7 is assembled in the moving groove 6, a first screw rod 8 is rotatably mounted on the inner wall of one group of the moving grooves 6, a first knob 9 is welded on one side of the first screw rod 8, a thread is arranged on the moving block 7 and the first screw rod 8 is slidably cooperated with the first screw rod 8 through the thread, a first guide plate 10 is mounted on the moving block 7, a slide groove 11 is arranged in the first guide plate 10, a fixed block 12 is fixedly mounted in the slide groove 11, a mounting block 13 is mounted on the fixed block 12, and a mounting block 13 is rotatably mounted on the mounting block 13 through a bearing A rotating block 14 is provided, a rod groove 15 is provided on the rotating block 14, an extrusion roller 16 is installed in the rod groove 15, a sliding block 17 is installed in the first guide plate 10, and a mounting block 13 is installed on the sliding block 17; during operation, the existing elastic roller press roll changing device is in the process of replacing the extrusion roller 16 due to the cumbersome steps, resulting in low efficiency of roll changing, by rotating the first knob 9, driving the first screw rod 8 to rotate, the first screw rod 8 drives the moving block 7 thereon to move horizontally, the moving block 7 drives the first guide plate 10 to move horizontally, the first guide plate 10 drives the two groups of mounting blocks 13 thereon to move horizontally, so that the two groups of mounting blocks 13 are away from one end of the two groups of extrusion rollers 16, one end of the extrusion roller 16 falls off from the mounting block 13 on the first guide plate 10, and then the other end of the extrusion roller 16 is removed from the mounting block 13 on the second guide plate 22, so that the extrusion roller 16 is quickly disassembled;

[0020] Then, one end of the new squeezing roller 16 is placed into the rod groove 15 of the mounting block 13 on the second guide plate 22, and then the first knob 9 is rotated in the opposite direction to drive the first guide plate 10 to move toward the squeezing roller 16. Then, the other end of the squeezing roller 16 is inserted into the mounting block 13 on the first guide plate 10. The two sets of mounting blocks 13 opposite to the first guide plate 10 and the second guide plate 22 clamp and fix the squeezing roller 16, thereby realizing the rapid installation of the squeezing roller 16 and helping to improve the efficiency of roller replacement.

[0021] See also Figure 4-5As shown, a spring 18 is installed on the sliding block 17, and the other end of the spring 18 is connected to the fixed block 12. A second screw rod 19 is installed on the side wall of the first guide plate 10 through threaded rotation. A push block 20 is welded to one end of the second screw rod 19, and a second knob 21 is installed on the other end of the second screw rod 19. A second guide plate 22 is fixedly installed on the other side wall of the lower housing 2. The second guide plate 22 has the same structure as the first guide plate 10. A motor 23 is installed on the sliding block 17 and the fixed block 12 in the second guide plate 22 through a machine base, and the output shaft of the motor 23 is connected to the rotating block 14 in the mounting block 13. When working, the spacing between the squeezing rollers 16 of the existing roller press is They are all fixed, so that the distance between the squeezing rollers 16 cannot be changed during processing, and it is difficult to complete when products of different thicknesses need to be pressed, resulting in poor adjustability of the roller press. After the squeezing rollers 16 are replaced, the two sets of second knobs 21 are turned, and the second knobs 21 drive the second screw rod 19 to rotate and move horizontally, and the second screw rod 19 drives the push block 20 to move horizontally, and the push block 20 pushes the sliding block 17 to move horizontally, or under the thrust of the spring 18, the sliding block 17 moves horizontally toward the push block 20, thereby realizing the adjustment of the distance between the sliding block 17 and the fixed block 12, realizing the adjustment of the distance between the two sets of squeezing rollers 16, and realizing the adjustment of the pressed thickness of the material;

[0022] The material is fed into the feed hopper 25, and the two motors 23 drive the two extrusion rollers 16 to rotate synchronously relative to each other. The material is squeezed by the two extrusion rollers 16 and becomes a dense cake, which is discharged from the discharge hopper 24. At the same time, under the action of the spring 18, the pressing of the extrusion rollers 16 on the sliding block 17 has elastic adjustment to avoid damage to the surface of the extrusion rollers 16 caused by long-term rigid pressing of the material. This structure can adjust the distance between the extrusion rollers 16 according to the pressing thickness of the material, which is beneficial to improving the adjustability of the roller press.

[0023] Working principle: In the process of replacing the squeezing roller 16 of the existing roller changing device of the elastic roller press, the efficiency of roller changing is low due to the cumbersome steps. By turning the first knob 9, the first screw rod 8 is driven to rotate, and the first screw rod 8 drives the moving block 7 thereon to move horizontally. The moving block 7 drives the first guide plate 10 to move horizontally, and the first guide plate 10 drives the two groups of mounting blocks 13 thereon to move horizontally, so that the two groups of mounting blocks 13 are away from one end of the two groups of squeezing rollers 16, and one end of the squeezing roller 16 falls off from the mounting block 13 on the first guide plate 10, and then the other end of the squeezing roller 16 is removed from the second guide plate 10. The mounting block 13 on the guide plate 22 is removed to realize the quick disassembly of the squeezing roller 16; then one end of the new squeezing roller 16 is put into the rod groove 15 of the mounting block 13 on the second guide plate 22, and then the first knob 9 is rotated in the opposite direction to drive the first guide plate 10 to move toward the squeezing roller 16, and then the other end of the squeezing roller 16 is inserted into the mounting block 13 on the first guide plate 10, and the two sets of mounting blocks 13 opposite to the first guide plate 10 and the second guide plate 22 clamp and fix the squeezing roller 16, thereby realizing the quick installation of the squeezing roller 16, which is beneficial to improving the efficiency of roller replacement; the squeezing roller of the existing roller press The spacing between the two rollers 16 is fixed, so that the distance between the squeezing rollers 16 cannot be changed during processing. It is difficult to complete the pressing of products of different thicknesses, resulting in poor adjustability of the roller press. After the squeezing rollers 16 are replaced, the two sets of second knobs 21 are turned, and the second knobs 21 drive the second screw rod 19 to rotate and move horizontally, and the second screw rod 19 drives the push block 20 to move horizontally, and the push block 20 pushes the sliding block 17 to move horizontally, or under the thrust of the spring 18, the sliding block 17 moves horizontally toward the push block 20, thereby realizing the adjustment of the distance between the sliding block 17 and the fixed block 12. The adjustment of the distance between the two groups of squeezing rollers 16 is realized, and the adjustment of the pressing thickness of the material is realized; the material is fed from the feed hopper 25, and the two groups of motors 23 drive the two groups of squeezing rollers 16 to rotate synchronously relative to each other. The material is squeezed by the two groups of squeezing rollers 16 and becomes a dense cake and is discharged from the discharge hopper 24. At the same time, under the action of the spring 18, the squeezing rollers 16 on the sliding block 17 have elastic adjustment to avoid long-term rigid pressing of the material causing damage to the surface of the squeezing rollers 16. This structure can adjust the distance between the squeezing rollers 16 according to the pressing thickness of the material, which is beneficial to improving the adjustability of the roller press.

[0024] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A quick roller changing device for an elastic roller press, characterized in that: The invention comprises a tripod (1), a lower housing (2) is mounted on the tripod (1), a discharge hopper (24) is mounted on the lower housing (2), an upper housing (3) is fixedly mounted on the lower housing (2) by bolts, a feed hopper (25) is mounted on the upper housing (3), square grooves (4) are provided on the side walls of the lower housing (2) and the upper housing (3), a connecting plate (5) is fixedly mounted on one side wall of the lower housing (2), three groups of movable grooves (6) are provided in the connecting plate (5), movable blocks (7) are mounted in the movable grooves (6), and a first screw rod (8) is rotatably mounted on the inner wall of one group of movable grooves (6) A first knob (9) is welded to one side of the first screw rod (8); a thread is provided on the moving block (7) and slides with the first screw rod (8) through the thread; a first guide plate (10) is installed on the moving block (7); a slide groove (11) is provided in the first guide plate (10); a fixed block (12) is fixedly installed in the slide groove (11); a mounting block (13) is installed on the fixed block (12); a rotating block (14) is rotatably installed on the mounting block (13) through a bearing; a rod groove (15) is provided on the rotating block (14); a squeezing roller (16) is installed in the rod groove (15).

2. The fast roller changing device of an elastic roller press according to claim 1, characterized in that: A sliding block (17) is assembled inside the first guide plate (10), and a mounting block (13) is mounted on the sliding block (17).

3. The fast roller changing device of an elastic roller press according to claim 2, characterized in that: A spring (18) is installed on the sliding block (17), and the other end of the spring (18) is connected to the fixed block (12).

4. The fast roller changing device for an elastic roller press according to claim 1, characterized in that: A second screw rod (19) is rotatably mounted on the side wall of the first guide plate (10) through a thread, a push block (20) is welded to one end of the second screw rod (19), and a second knob (21) is mounted on the other end of the second screw rod (19).

5. The fast roller changing device for an elastic roller press according to claim 1, characterized in that: A second guide plate (22) is fixedly mounted on the other side wall of the lower housing (2), and the second guide plate (22) has the same structure as the first guide plate (10).

6. The fast roller changing device for an elastic roller press according to claim 5, characterized in that: A motor (23) is installed on the sliding block (17) and the fixed block (12) in the second guide plate (22) via a machine base, and an output shaft of the motor (23) is connected to a rotating block (14) in the mounting block (13).

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