Moving roller positioning device of double-roller crusher

Abstract

The utility model belongs to the technical field of roller crushers, and particularly relates to a movable roller positioning device of a roller crusher, which comprises a shell, a fixed roller and a movable roller, the fixed roller and the movable roller are correspondingly mounted in the shell, the fixed roller is fixedly connected with the shell, the movable roller is movably connected with the shell, and the movable roller is movably connected with the shell. A driving assembly is arranged in the shell, a butt joint block is arranged in the shell, a sliding groove of the movable roller is formed in the side wall of the shell, rotating sleeves are connected to the two ends of the movable roller in a sleeved mode, a first nut and a second nut are connected to the surfaces of the rotating sleeves in a threaded mode, and a fixing block is connected to the outer side wall of the shell. The distance between the fixed rollers is adjusted, so that the double-roller crusher can better adapt to materials with different sizes, the use flexibility of the equipment is improved, meanwhile, the stability of the adjusted movable rollers is enhanced through the cooperation of a guide rod and a third nut, and the situation that the positions of the movable rollers are changed due to the extrusion force of crushed materials is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of double-roll crushers, and in particular relates to a moving roller positioning device for a double-roll crusher. Background Art

[0002] Roller crusher, also called double roller crusher, can be used to crush feed raw materials. The machine has the advantages of small size, large crushing ratio, low noise, simple structure, easy maintenance, and the crushed material has uniform particle size, low over-crushing rate, easy maintenance, sensitive overload protection, safe and reliable.

[0003] After searching, the "a kind of movable roller positioning device for a double-roll crusher" disclosed in the application number "CN202122868541.4" is also an increasingly mature technology. By rotating the adjusting ring, the position of the adjusting rod can be changed so that its lower end moves downward or upward. When the lower end of the adjusting rod moves upward, the sliding rod slides passively under the elastic force of the elastic device, and the distance between the movable roller and the fixed roller is reduced; when the lower end of the adjusting rod moves downward, the sliding rod slides actively, and the distance between the movable roller and the fixed roller increases, and the threaded section on the adjusting rod is also provided with an indicating scale, so that the distance value between the movable roller and the fixed roller can be more clearly known, so as to perform more accurate regulation. Compared with the prior art, the technical solution disclosed in the utility model realizes clear and convenient regulation of the distance between the movable roller and the fixed roller, which is conducive to promotion and popularization. However, the movable roller and the fixed roller will generate extrusion force when crushing objects, resulting in the above-mentioned elastic device cannot be completely fixed for the movable roller when cooperating with the adjusting rod, which will cause the movable roller to be squeezed and move backward, which will still affect the crushing uniformity. In view of this, we provide a new movable roller positioning device for a double-roll crusher to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of the utility model is to provide a movable roller positioning device for a double-roll crusher, aiming to solve the problem in the prior art that when the above-mentioned equipment is in use, the movable roller and the fixed roller will generate extrusion force when crushing objects, resulting in the above-mentioned elastic device being unable to completely fix the movable roller when cooperating with the adjusting rod, causing the movable roller to be squeezed and moved backward, which will still affect the crushing uniformity. In view of this, we provide a new movable roller positioning device for a double-roll crusher to solve the above-mentioned problem.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a movable roller positioning device for a double-roll crusher, comprising a shell, a fixed roller and a movable roller, the fixed roller and the movable roller are correspondingly installed inside the shell, and the fixed roller and the shell are fixedly connected, and the movable roller and the shell are movably connected, a sliding groove for the movable roller is opened on the side wall of the shell, a rotating sleeve is sleeved at both ends of the movable roller, a first nut and a second nut are threadedly connected to the surface of the rotating sleeve, a fixed block is connected to the outer side wall of the shell, a docking block is movably connected to the top of the fixed block, and the top of the docking block is connected to the bottom end of the rotating sleeve, and a driving component of the docking block is arranged inside the fixed block.

[0006] In order to fix the movable roller after positioning, as a preferred movable roller positioning device for a double-roll crusher of the utility model, the movable roller is fixedly connected to the housing through a rotating sleeve, a first nut and a second nut.

[0007] In order to adjust the distance between the movable roller and the fixed roller, as a preferred movable roller positioning device for a double-roll crusher of the utility model, the driving assembly includes a screw rod, a bearing, a wire sleeve and a driving motor, the screw rod is connected to the inside of the fixed block, the bearing is connected to one end of the screw rod, the wire sleeve is threadedly connected to the surface of the screw rod, and the driving motor is installed on the side wall of the fixed block and the output shaft is connected to one end of the screw rod.

[0008] In order to adjust the position of the movable roller by the movement of the docking block, as a preferred movable roller positioning device for a roller crusher of the utility model, the screw rod is rotatably connected to the fixed block through a bearing, and the top end of the screw sleeve is connected to the bottom end of the docking block.

[0009] In order to facilitate the movement of the docking block, as a preferred embodiment of the utility model, a movable roller positioning device for a double-roll crusher is configured such that the docking block forms a threaded movement through the thread sleeve and the screw rod.

[0010] In order to increase the durability of the driving assembly, as a preferred positioning device for the movable roller of a double-roll crusher of the utility model, a guide rod is installed on the side wall of the docking block, a protrusion is installed on the top side of the fixed block, and two corresponding third nuts are connected to the surface of the guide rod.

[0011] In order to facilitate the fixing of the docking block, as a preferred positioning device for the movable roller of a double-roll crusher of the utility model, the surface of the protrusion is provided with a through hole adapted to the guide rod, and the surface of the guide rod is provided with a thread, and the guide rod is fixedly connected to the protrusion through a third nut.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model can drive the movable roller to move through the cooperation between the driving component and the docking block, thereby completing the adjustment of the spacing between the fixed rollers, so that the pair of roller crushers can better adapt to materials of different sizes and improve the flexibility of equipment use. At the same time, the cooperation between the guide rod and the third nut can enhance the stability of the adjusted movable roller and avoid the position of the movable roller being changed due to the squeezing force of the crushed material. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the main structure of the utility model from the right side;

[0017] Figure 3 It is a schematic diagram of the main cross-sectional structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the fixing block of the utility model;

[0019] Figure 5 For this utility model Figure 2 A is an enlarged structural diagram;

[0020] Figure 6 For this utility model Figure 1 The enlarged structural diagram at B in FIG.

[0021] In the figure: 1, housing; 2, fixed roller; 3, movable roller; 4, sliding groove; 5, rotating sleeve; 6, first nut; 7, second nut; 8, fixed block; 9, screw rod; 10, bearing; 11, screw sleeve; 12, docking block; 13, driving motor; 14, guide rod; 15, bump; 16, third nut. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6The utility model provides the following technical solutions: a movable roller positioning device for a double-roll crusher, comprising a shell 1, a fixed roller 2 and a movable roller 3, the fixed roller 2 and the movable roller 3 are correspondingly installed inside the shell 1, and the fixed roller 2 and the shell 1 are fixedly connected, and the movable roller 3 and the shell 1 are movably connected, a sliding groove 4 for the movable roller 3 is opened on the side wall of the shell 1, a rotating sleeve 5 is sleeved at both ends of the movable roller 3, a first nut 6 and a second nut 7 are threadedly connected on the surface of the rotating sleeve 5, a fixed block 8 is connected to the outer side wall of the shell 1, a docking block 12 is movably connected to the top of the fixed block 8, and the top of the docking block 12 is connected to the bottom end of the rotating sleeve 5, and a driving component of the docking block 12 is arranged inside the fixed block 8.

[0024] Preferably, the movable roller 3 is fixedly connected to the housing 1 via the rotating sleeve 5 , the first nut 6 and the second nut 7 .

[0025] During specific use, the movable roller 3 can rotate inside the rotating sleeve 5 when crushing an object, and the rotating sleeve 5 is fixed to the housing 1 through the first nut 6 and the second nut 7, so as to facilitate the fixing of the movable roller 3.

[0026] Preferably: the driving assembly includes a screw rod 9, a bearing 10, a threaded sleeve 11 and a driving motor 13, the screw rod 9 is connected to the inside of the fixed block 8, the bearing 10 is connected to one end of the screw rod 9, the threaded sleeve 11 is threadedly connected to the surface of the screw rod 9, and the driving motor 13 is installed on the side wall of the fixed block 8 and the output shaft is connected to one end of the screw rod 9.

[0027] During specific use, the driving assembly is convenient to drive the docking block 12 to move, and the movement of the docking block 12 drives the rotating sleeve 5 to move along the sliding groove 4. At the same time, the rotating sleeve 5 drives the movable roller 3 to adjust the distance with the fixed roller 2.

[0028] Preferably, the screw rod 9 is rotatably connected to the fixed block 8 via a bearing 10 , and the top end of the screw sleeve 11 is connected to the bottom end of the docking block 12 .

[0029] During specific use, the screw rod 9 is stably rotated inside the fixed block 8 through the bearing 10, and the threaded movement of the thread sleeve 11 along the surface of the screw rod 9 drives the docking block 12 to move, thereby facilitating the docking block 12 to drive the rotating sleeve 5 to move.

[0030] Preferably, the docking block 12 forms a threaded motion with the threaded sleeve 11 and the threaded rod 9 .

[0031] During specific use, the docking block 12 is conveniently matched with the screw rod 9 through the threaded sleeve 11 to perform reciprocating motion.

[0032] Preferably, a guide rod 14 is installed on the side wall of the docking block 12 , a protrusion 15 is installed on one side of the top end of the fixing block 8 , and two corresponding third nuts 16 are connected to the surface of the guide rod 14 .

[0033] During specific use, the fixing of the guide rod 14 further fixes the position of the docking block 12 to prevent the position of the movable roller 3 from being changed due to the squeezing force of the crushed material.

[0034] Preferably, a through hole matching the guide rod 14 is formed on the surface of the projection 15 , and a thread is formed on the surface of the guide rod 14 . The guide rod 14 is fixedly connected to the projection 15 via the third nut 16 .

[0035] During specific use, the guide rod 14 is fixed inside the protrusion 15 through the third nut 16 , and the fixed position of the guide rod 14 drives the fixed position of the docking block 12 .

[0036] Working principle: When the double-roll crusher is working, it is necessary to adjust the distance between the fixed roller 2 and the movable roller 3. First, rotate the first nut 6 and the second nut 7 to make the first nut 6 and the second nut 7 move along the threads on the surface of the rotating sleeve 5, and then contact the fixing of the rotating sleeve 5. Then, connect the power supply to start the drive motor 13. At this time, the output shaft of the drive motor 13 drives the screw rod 9 to rotate inside the fixed block 8 along the inner ring of the bearing 10. At the same time, the thread sleeve 11 moves along the threads on the surface of the screw rod 9. Then the thread sleeve 11 will drive the docking block 12 to move, and the movement of the docking block 12 will drive the rotating sleeve 5 to move inside the sliding groove 4. Then the rotating sleeve 5 will bring The movable roller 3 moves to complete the position adjustment of the movable roller 3. At the same time, the movement of the docking block 12 will drive the movement through the protrusion 15. When the movable roller 3 is adjusted to the specified position, the third nut 16 is rotated to fit on both sides of the protrusion 15, thereby fixing the position of the guide rod 14 in the protrusion 15, and then the first nut 6 and the second nut 7 are re-rotated to lock the rotating sleeve 5. Through the above description, the pair of roller crushers can be better adapted to materials of different sizes and the flexibility of the equipment can be improved. At the same time, the cooperation between the guide rod 14 and the third nut 16 can enhance the stability of the adjusted movable roller 3 and avoid the position of the movable roller 3 being changed by the squeezing force of the crushed material.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A movable roller positioning device for a roller crusher, characterized in that: The invention comprises a shell (1), a fixed roller (2) and a movable roller (3), wherein the fixed roller (2) and the movable roller (3) are mounted inside the shell (1) in correspondence, and the fixed roller (2) and the shell (1) are fixedly connected, and the movable roller (3) and the shell (1) are movably connected, and a sliding groove (4) for the movable roller (3) is provided on a side wall of the shell (1); The two ends of the movable roller (3) are sleeved with a rotating sleeve (5), the surface of the rotating sleeve (5) is threadedly connected with a first nut (6) and a second nut (7), the outer wall of the shell (1) is connected with a fixed block (8), the top end of the fixed block (8) is movably connected with a docking block (12), and the top end of the docking block (12) is connected to the bottom end of the rotating sleeve (5), and a driving component of the docking block (12) is arranged inside the fixed block (8).

2. The movable roller positioning device of a roller crusher according to claim 1, characterized in that: The movable roller (3) is fixedly connected to the housing (1) via a rotating sleeve (5), a first nut (6) and a second nut (7).

3. The movable roller positioning device of a roller crusher according to claim 1, characterized in that: The drive assembly comprises a screw rod (9), a bearing (10), a threaded sleeve (11) and a drive motor (13); the screw rod (9) is connected to the interior of a fixed block (8); the bearing (10) is connected to one end of the screw rod (9); the threaded sleeve (11) is threadedly connected to the surface of the screw rod (9); and the drive motor (13) is mounted on a side wall of the fixed block (8) and an output shaft is connected to one end of the screw rod (9).

4. The movable roller positioning device of a roller crusher according to claim 3 is characterized in that: The screw rod (9) is rotatably connected to the fixed block (8) via a bearing (10), and the top end of the screw sleeve (11) is connected to the bottom end of the docking block (12).

5. The movable roller positioning device of a roller crusher according to claim 3 is characterized in that: The docking block (12) forms a threaded motion between the threaded sleeve (11) and the threaded rod (9).

6. The movable roller positioning device of a roller crusher according to claim 1, characterized in that: A guide rod (14) is installed on the side wall of the docking block (12), a protrusion (15) is installed on one side of the top end of the fixing block (8), and two corresponding third nuts (16) are connected to the surface of the guide rod (14).

7. The movable roller positioning device of a roller crusher according to claim 6, characterized in that: A through hole matching the guide rod (14) is formed on the surface of the projection (15), and a thread is formed on the surface of the guide rod (14). The guide rod (14) is fixedly connected to the projection (15) via a third nut (16).

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