Tool changing device of pulverizer
By designing the tool changer for the crusher and using the sliding connection between the clamp seat and the fixed seat, the existing crusher's cumbersome and time-consuming problem is solved, and the convenience and efficiency of replacement are achieved.
Patent Information
- Application Number
- CN202421445305.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-06-24
AI Technical Summary
When replacing the crushing blades in existing crushers, the bolt fixing method is prone to slip and looseness, and the replacement process is cumbersome and consumes a lot of manpower.
A tool changer device for a crusher is designed, using a sliding connection between the clamping seat and the fixing seat, and the motor drive and adjustment mechanism are used to facilitate disassembly and replace the crushing roller and blade.
It realizes rapid replacement of the crusher blade, simplifies the operation process, saves time and manpower, and improves replacement efficiency.
Smart Images

Figure CN222789382U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pulverizers, in particular to a knife changing device for pulverizers. Background Art
[0002] A pulverizer is a mechanical device that crushes solid objects into required sizes. It is used in garbage crushing, feed crushing, waste crushing, etc. When the existing pulverizer is in use, the motor drives the crushing roller and the crushing blade to rotate to crush the objects. The crushing blade is generally fixed on the outer wall of the roller. When the crushing blade needs to be replaced, the crushing roller and the blade need to be removed together.
[0003] In the prior art, the crushing roller of the crusher is generally connected to the rotating parts inside the crusher by bolts. The bolts are easily slipped and loosened when they are repeatedly turned, and the replacement is cumbersome and requires a lot of manpower, which makes it inconvenient to replace the crushing blade. In view of the above problems, a solution is proposed below. Utility Model Content
[0004] The utility model aims to provide a knife changing device for a pulverizer, which has the advantages of convenient replacement, time saving and labor saving.
[0005] The above technical objectives of the utility model are achieved through the following technical solutions:
[0006] A tool changing device for a crusher comprises a crusher body, wherein a first clamping seat and a second clamping seat are arranged in the crusher body, a crushing roller is arranged between the first clamping seat and the second clamping seat, and a plurality of crushing blades are arranged on the crushing roller, and a first fixed seat and a second fixed seat are also arranged in the crusher body, one end of the first clamping seat can be slidably located in the first fixed seat, a motor is installed on one side of the crusher body, an output shaft of the motor passes through the crusher body and is fixedly connected to one end of the first fixed seat, a fixing mechanism is arranged between the first fixed seat and the first clamping seat, and is fixedly connected through the fixing mechanism, one end of the second clamping seat can be slidably located in the second fixed seat, one end of the second fixed seat is rotatably connected to the inner wall of the crusher body, an adjusting mechanism is arranged in the second fixed seat, and the adjusting mechanism is connected to the second clamping seat to drive the second clamping seat to move forward and backward.
[0007] Preferably, the fixing mechanism includes a plurality of fixing pins passed through the first fixing seat, each of the fixing pins is passed through a reset spring, and the reset spring is connected between the tail end of the fixing pin and the outer wall of the first fixing seat, and a plurality of fixing holes are provided on the outer wall of the first clamping seat, and the top ends of the plurality of fixing pins are respectively located in the fixing holes.
[0008] Preferably, the adjustment mechanism includes a bevel gear a and a bevel gear b arranged in the second fixed seat, and the bevel gear a and the bevel gear b are meshed with each other, a rotating rod is passed through the second fixed seat, and the bevel gear a is fixed on the rotating rod, a rotating shaft is also passed through the second fixed seat, one end of the rotating shaft is rotatably connected to the inner bottom of the second fixed seat, the bevel gear b is fixed on the rotating shaft, the other end of the rotating shaft is connected to a threaded rod, a threaded groove is provided on one side of the second clamping seat, and the threaded rod is passed through the threaded groove.
[0009] Preferably, a turntable is fixedly provided on the upper end of the turning rod, a slidable turning handle is passed through the turntable, a limit block is fixedly provided on the lower end of the turning handle, a limit seat is fixedly provided on the outer side of the second fixed seat, a plurality of limit grooves are provided on the limit seat, and the lower end of the limit block is located in the limit groove, a tension spring is passed through the turning handle, and the tension spring is connected between the upper end of the limit block and the lower end of the turntable.
[0010] Preferably, a ramp is fixedly provided at the inner bottom of the pulverizer body, and a discharge hopper is connected to the lower end of the pulverizer body.
[0011] The beneficial effects of the utility model are as follows: the first fixed seat can be driven to rotate by the rotation of the motor, thereby driving the first clamping seat to rotate, and finally the crushing roller, the second clamping seat and the second fixed seat can be driven to rotate simultaneously, and a plurality of crushing blades rotate simultaneously therewith, so as to ensure the normal crushing work of the crusher. If the crushing tool needs to be replaced, the motor can be stopped, and the positions of the first clamping seat and the second clamping seat in the first fixed seat and the second fixed seat can be adjusted respectively by the fixing mechanism and the adjusting mechanism, that is, the distance between the first clamping seat and the second clamping seat is increased, so that the crushing roller can be disassembled from between the first clamping seat and the second clamping seat, and then a new crushing roller can be replaced, and a plurality of crushing blades can be replaced at the same time. After replacing the new crushing roller, it is only necessary to adjust the first clamping seat and the second clamping seat so that the first clamping seat and the second clamping seat are close to each other, and finally the crushing roller can be fixedly clamped between the first clamping seat and the second clamping seat to complete the replacement of the crushing tool. Compared with the traditional bolt fixing method, its replacement is simpler and faster, and effectively saves the time and manpower required for replacing the tool. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of an embodiment;
[0013] Figure 2 for Figure 1 A magnified image of area A;
[0014] Figure 3 for Figure 1 Enlarged view of area B;
[0015] Figure 4 Schematic diagram of the structure of the limit seat in the embodiment.
[0016] Figure numerals: 1. crusher body; 2. first clamping seat; 3. second clamping seat; 4. crushing roller; 5. crushing blade; 6. first fixed seat; 7. second fixed seat; 8. motor; 9. fixing mechanism; 10. adjustment mechanism; 11. fixing pin; 12. reset spring; 13. fixing hole; 14. bevel gear a; 15. bevel gear b; 16. rotating rod; 17. rotating shaft; 18. threaded rod; 19. turntable; 20. turning handle; 21. limit block; 22. limit seat; 23. limit groove; 24. tension spring; 25. ramp; 26. discharge hopper. DETAILED DESCRIPTION
[0017] The following is only a preferred embodiment of the present invention, and the protection scope is not limited to this embodiment. All technical solutions under the concept of the present invention should belong to the protection scope of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the drawings, and the words "bottom" and "top", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.
[0018] like Figures 1 to 4 As shown, a tool changing device of a grinder comprises a grinder body 1, in which a first clamping seat 2 and a second clamping seat 3 are arranged, and in which a first fixed seat 6 and a second fixed seat 7 are also arranged, one end of the first clamping seat 2 is slidably located in the first fixed seat 6, a fixing mechanism 9 is arranged between the first fixed seat 6 and the first clamping seat 2, and the first fixed seat 6 and the first clamping seat 2 are fixedly connected by the fixing mechanism 9, and the fixing mechanism 9 can realize the fixation between the first fixed seat 6 and the first clamping seat 2, so that the fixed position of the first clamping seat 2 in the first fixed seat 6 can be adjusted.
[0019] The fixing mechanism 9 includes a plurality of fixing pins 11 penetrated on the first fixing seat 6, each fixing pin 11 is respectively penetrated with a return spring 12, and the return spring 12 is connected between the tail end of the fixing pin 11 and the outer wall of the first fixing seat 6. By pulling the plurality of fixing pins 11 upward, the return spring 12 can be stretched to generate elastic force. A plurality of fixing holes 13 are provided on the outer wall of the first clamping seat 2, and the top ends of the plurality of fixing pins 11 are respectively located in the fixing holes 13. When the fixing pins 11 are pulled upward, the top ends of the fixing pins 11 can be disengaged from the fixing holes 13. At this time, the first clamping seat 2 can be moved, and the first clamping seat 2 can be made to slide along the inner wall of the first fixing seat 6. When the first clamping seat 2 is adjusted to a suitable position, the fixing pin 11 can be driven back to the initial position by the return action of the return spring 12, so that the top ends of the fixing pins 11 can be pushed into the corresponding fixing holes 13 again to achieve the fixation between the first clamping seat 2 and the first fixing seat 6.
[0020] One end of the second clamping seat 3 is slidably located in the second fixed seat 7, and one end of the second fixed seat 7 is rotatably connected to the inner wall of the pulverizer body 1. An adjustment mechanism 10 is provided in the second fixed seat 7, and the adjustment mechanism 10 is connected to the second clamping seat 3 to drive the second clamping seat 3 to move forward and backward. The position of the second clamping seat 3 in the second fixed seat 7 can be adjusted by the adjustment mechanism 10. The adjustment mechanism 10 includes a bevel gear a14 and a bevel gear b15 provided in the second fixed seat 7, and the bevel gear a14 and the bevel gear b15 are meshed. A rotating rod 16 is provided in the second fixed seat 7, and the bevel gear a14 is fixed on the rotating rod 16. A rotating shaft 17 is also provided in the second fixed seat 7, and one end of the rotating shaft 17 is rotatably connected to the inner bottom of the second fixed seat 7. The bevel gear b15 is fixed on the rotating shaft 17. By rotating the rotating rod 16, the bevel gear a14 can be driven to rotate, thereby driving the bevel gear b15 and the rotating shaft 17 to rotate simultaneously. A threaded rod 18 is connected to the other end of the rotating shaft 17. A threaded groove is provided on one side of the second clamping seat 3, and the threaded rod 18 is inserted into the threaded groove. The rotation of the rotating shaft 17 can drive the threaded rod 18 to rotate, and finally the second clamping seat 3 can be moved back and forth along the inner wall of the second fixed seat 7 in cooperation with the threaded groove to adjust the position of the second clamping seat 3 in the second fixed seat 7.
[0021] A crushing roller 4 is arranged between the first clamping seat 2 and the second clamping seat 3, and a plurality of crushing blades 5 are arranged on the crushing roller 4. A motor 8 is installed on one side of the crusher body 1, and the output shaft of the motor 8 passes through the crusher body 1 and is fixedly connected to one end of the first fixed seat 6. The rotation of the motor 8 can drive the first fixed seat 6 to rotate, thereby driving the first clamping seat 2 to rotate, and finally driving the crushing roller 4, the second clamping seat 3 and the second fixed seat 7 to rotate at the same time, and the plurality of crushing blades 5 rotate simultaneously, so as to ensure the normal crushing work of the crusher. If the crushing tool needs to be replaced, the motor 8 can be stopped, and the first clamping seat 2 and the second clamping seat 3 can be adjusted respectively by the fixing mechanism 9 and the adjusting mechanism 10. The position in the first fixed seat 6 and the second fixed seat 7 makes the distance between the first clamping seat 2 and the second clamping seat 3 larger, so the crushing roller 4 can be removed from between the first clamping seat 2 and the second clamping seat 3, and then the new crushing roller 4 can be replaced, and several crushing blades 5 can be replaced at the same time. After replacing the new crushing roller 4, it is only necessary to adjust the first clamping seat 2 and the second clamping seat 3 so that the first clamping seat 2 and the second clamping seat 3 are close to each other, and finally the crushing roller 4 can be fixedly clamped between the first clamping seat 2 and the second clamping seat 3 to complete the replacement of the crushing tool. Compared with the traditional bolt fixing method, its replacement is simpler and faster, and effectively saves the time and manpower required for replacing the tool.
[0022] A rotating disk 19 is fixedly provided at the upper end of the rotating rod 16, a slidable rotating handle 20 is passed through the rotating disk 19, a limit block 21 is fixedly provided at the lower end of the rotating handle 20, a limit seat 22 is fixedly provided at the outer side of the second fixed seat 7, a plurality of limit grooves 23 are provided on the limit seat 22, and the lower end of the limit block 21 is located in the limit groove 23, a tension spring 24 is passed through the rotating handle 20, and the tension spring 24 is connected between the upper end of the limit block 21 and the lower end of the rotating disk 19, and by pulling the rotating handle 20 upward, the tension spring 24 can be pulled upward. 4 is squeezed to generate elastic force, and the lower end of the limit block 21 is disengaged from the limit groove 23. At this time, the turntable 19 can be rotated to drive the turn bar 16 to rotate, so as to adjust the position of the second clamping seat 3. Conversely, the turning handle 20 can be driven back to the initial position by the reset effect of the tension spring 24, so that the limit block 21 can be driven to push into the corresponding limit groove 23 again to limit the rotation of the turntable 19, so that the position of the second clamping seat 3 can be fixed, so as to stably clamp and fix the crushing roller 4.
[0023] A ramp platform 25 is fixedly provided at the inner bottom of the grinder body 1, and a discharge hopper 26 is connected to the lower end of the grinder body 1. The ramp platform 25 can guide the crushed objects for discharge, and the discharge hopper 26 can realize the discharge of the crushed objects.
[0024] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A tool changing device for a pulverizer, characterized in that: The invention comprises a pulverizer body (1), wherein a first clamping seat (2) and a second clamping seat (3) are arranged in the pulverizer body (1), a crushing roller (4) is arranged between the first clamping seat (2) and the second clamping seat (3), and a plurality of crushing blades (5) are arranged on the crushing roller (4), and a first fixed seat (6) and a second fixed seat (7) are also arranged in the pulverizer body (1), one end of the first clamping seat (2) is slidably located in the first fixed seat (6), and a motor (8) is installed on one side of the pulverizer body (1), and the output shaft of the motor (8) is penetrated by a crushing roller (4). The machine body (1) is fixedly connected to one end of the first fixed seat (6); a fixing mechanism (9) is provided between the first fixed seat (6) and the first clamping seat (2), and the two are fixedly connected via the fixing mechanism (9); one end of the second clamping seat (3) is slidably located in the second fixed seat (7); one end of the second fixed seat (7) is rotatably connected to the inner wall of the pulverizer body (1); an adjusting mechanism (10) is provided in the second fixed seat (7), and the adjusting mechanism (10) is connected to the second clamping seat (3) so as to drive the second clamping seat (3) to move forward and backward.
2. A tool changing device for a pulverizer according to claim 1, characterized in that: The fixing mechanism (9) comprises a plurality of fixing pins (11) inserted through the first fixing seat (6), each of the fixing pins (11) being respectively inserted through a return spring (12), and the return spring (12) being connected between the tail end of the fixing pin (11) and the outer wall of the first fixing seat (6), and a plurality of fixing holes (13) being arranged on the outer wall of the first clamping seat (2), and the top ends of the plurality of fixing pins (11) being respectively located in the fixing holes (13).
3. A tool changing device for a pulverizer according to claim 2, characterized in that: The adjustment mechanism (10) comprises a bevel gear a (14) and a bevel gear b (15) arranged in the second fixed seat (7), and the bevel gear a (14) and the bevel gear b (15) are meshed with each other. A rotating rod (16) is passed through the second fixed seat (7), and the bevel gear a (14) is fixed on the rotating rod (16). A rotating shaft (17) is also passed through the second fixed seat (7), one end of the rotating shaft (17) is rotatably connected to the inner bottom of the second fixed seat (7), the bevel gear b (15) is fixed on the rotating shaft (17), and the other end of the rotating shaft (17) is connected to a threaded rod (18). A threaded groove is provided on one side of the second clamping seat (3), and the threaded rod (18) is passed through the threaded groove.
4. A tool changing device for a pulverizer according to claim 3, characterized in that: A rotating disk (19) is fixedly provided at the upper end of the rotating rod (16), a slidable rotating handle (20) is passed through the rotating disk (19), a limiting block (21) is fixedly provided at the lower end of the rotating handle (20), a limiting seat (22) is fixedly provided at the outer side of the second fixed seat (7), a plurality of limiting grooves (23) are provided on the limiting seat (22), and the lower end of the limiting block (21) is located in the limiting groove (23), a tension spring (24) is passed through the rotating handle (20), and the tension spring (24) is connected between the upper end of the limiting block (21) and the lower end of the rotating disk (19).
5. The blade changing device of a pulverizer according to claim 4, characterized in that: The inner bottom of the pulverizer body (1) is fixedly provided with a ramp platform (25), and the lower end of the pulverizer body (1) is connected with a discharge hopper (26).