Four-tooth-roller crusher

Abstract

The utility model discloses a four-tooth-roller crusher which comprises a crushing shell, a feeding hole and a discharging hole are respectively formed in the upper end and the lower surface of the crushing shell, two groups of crushing rollers are arranged in the crushing shell, the two groups of crushing rollers are distributed up and down, two crushing rollers form one group, two inclined material guide plates which are inclined downwards are arranged in the crushing shell, and the two inclined material guide plates are arranged on the upper surface and the lower surface of the crushing shell respectively. The two inclined guide plates are located on the two sides between the two sets of crushing rollers, transmission is conducted between one ends of the upper and lower adjacent crushing rollers through a transmission assembly, a belt tensioning piece for tensioning and adjusting the transmission assembly is arranged on one side of the crushing shell, a tensioning adjusting piece is arranged on the belt tensioning piece, and second belt pulleys are arranged at the other ends of the two crushing rollers on the upper portion. The four-tooth-roller crusher has the advantages that the four-tooth-roller crusher is simple in structure and simple and convenient to operate, the same tension degree of the conveying belts can be guaranteed, the motor can be damped, and the running effect of the crusher is better.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a four-tooth roller crusher. Background Art

[0002] The mined coal and ore need to be crushed by a crusher. Belt drive is a common transmission method for four-tooth roller crushers. In belt drive, the actual belt is not a completely elastic body. After working for a period of time, it will relax due to plastic deformation, so it needs to be tensioned. The existing tensioning device has a complex structure. For example, in patent CN220160078U, only one belt can be adjusted at a time. Not only is the adjustment speed slow, but the tension of the two belts is different, and the motor has no shock absorption, so the motor is easily damaged. Utility Model Content

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a four-tooth roller crusher with a simple structure and easy operation. It can not only ensure the same tension of the transmission belt, but also reduce the vibration of the motor, so that the machine runs better, and can effectively solve the problems in the background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a four-tooth roller crusher comprises a crushing shell, wherein the upper end and the lower surface of the crushing shell are respectively provided with a feed port and a discharge port, wherein two groups of crushing rollers are arranged inside the crushing shell, the two groups of crushing rollers are distributed up and down, and the two crushing rollers form a group, and two downwardly inclined guide plates are arranged inside the crushing shell, the two inclined guide plates are located on both sides between the two groups of crushing rollers, and one end of the upper and lower adjacent crushing rollers is transmitted through a transmission assembly, the transmission assembly comprises two pulleys 1 respectively fixed at one end of the two crushing rollers, and the two pulleys 1 are transmitted through a transmission belt 1, a belt tensioning member for tensioning and adjusting the transmission assembly is provided on one side of the crushing shell, and a tensioning adjusting member is provided on the belt tensioning member, and pulleys 2 are provided at the other ends of the two upper crushing rollers, and the two pulleys 2 are respectively connected to a drive motor through transmission belts 2, and the drive motor is installed on an adjustable motor seat.

[0005] Furthermore, both left and right ends of the crushing shell are provided with openings, and end side doors are fixed to the openings by bolts, so that the inside of the crushing shell can be easily cleaned and repaired by opening the end side doors.

[0006] Furthermore, the belt tensioning member includes two L-shaped rotating frames connected to the crushing shell through pins, and a tensioning wheel is provided at the lower end of the L-shaped rotating frame, and the two tensioning wheels are respectively located on one side of the two transmission belts.

[0007] Furthermore, the tensioning adjustment member includes two rotating connecting blocks respectively arranged on one side of the two L-shaped rotating frames, the two rotating connecting blocks are each provided with a through hole, a threaded rod is provided between the through holes on the two rotating connecting blocks, the threaded rod is connected to the rotating connecting block by threads, and the threaded rod is provided with two adjusting nuts for positioning the rotating connecting blocks, and the distance between the two rotating connecting blocks can be adjusted by rotating the adjusting nuts, and the rotation of the L-shaped rotating frame can drive the tensioning wheel to move, and the tensioning degree of the transmission belt 1 can be adjusted by the tensioning wheel, and the two rotatably connected L-shaped rotating frames can ensure that the tensioning degrees of the two transmission belts 1 are the same during adjustment.

[0008] Furthermore, the adjustable motor seat includes a mounting base, the upper surface of the mounting base is evenly provided with sliding rods, an upper and lower adjustment seat that can slide up and down is provided between the sliding rods, a pushing spring is provided between the lower surface of the mounting base and the upper and lower adjustment seats, a connecting tube is fixed at the center of the upper surface of the mounting base, a connected adjusting bolt is provided on the upper and lower adjustment seats, the upper and lower adjustment seats are located at the lower end of the screw head of the adjusting bolt, the adjusting bolt is connected to the connecting tube by a threaded connection, and the length inside the connecting tube can be adjusted by rotating the adjusting bolt, thereby limiting the upper end position of the upper and lower adjustment seats, thereby adjusting the tension of the transmission belt 2, and the driving motor can be damped by the pushing spring.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows: the distance between the two rotating connecting blocks can be adjusted by rotating the adjusting nut, the tensioning wheel can be driven to move by rotating the L-shaped rotating frame, the tensioning degree of the transmission belt one can be adjusted by the tensioning wheel, the tensioning degree of the two transmission belts one can be ensured to be the same during adjustment by the two rotating connected L-shaped rotating frames, the length inside the connecting pipe can be adjusted by rotating the adjusting bolt, thereby limiting the upper end position of the upper and lower adjustment seats, thereby adjusting the tensioning degree of the transmission belt two, and the driving motor can be damped by the jacking spring. The four-tooth roller crusher has a simple structure and is easy to operate. It can not only ensure the same tensioning degree of the transmission belts, but also damp the motor, thereby making the machine run better. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 This is a schematic diagram of the back structure of the utility model;

[0012] Figure 3 It is a schematic diagram of the side structure of the utility model;

[0013] Figure 4 This is a schematic diagram of the structure of the adjustable motor seat of the utility model;

[0014] Figure 5 This is a schematic diagram of the structure of the belt tensioner of the utility model.

[0015] In the figure: 1 crushing roller, 2 end side door, 3 inclined guide plate, 4 transmission assembly, 41 pulley 1, 42 transmission belt 1, 5 belt tensioner, 51 L-shaped rotating frame, 53 tensioning wheel, 6 crushing shell, 7 driving motor, 8 adjustable motor seat, 81 upper and lower adjustment seat, 82 sliding rod, 83 jacking spring, 84 connecting pipe, 85 adjusting bolt, 86 mounting base, 9 tensioning adjustment member, 91 rotating connecting block, 92 adjusting nut, 93 threaded rod, 10 pulley 2, 11 transmission belt 2. DETAILED DESCRIPTION

[0016] 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.

[0017] See also Figure 1-5The utility model provides a technical solution: a four-tooth roller crusher, including a crushing shell 6, wherein the upper end and the lower surface of the crushing shell 6 are respectively provided with a feed port and a discharge port, two groups of crushing rollers 1 are arranged inside the crushing shell 6, the two groups of crushing rollers 1 are distributed up and down, and two crushing rollers 1 form a group, two downwardly inclined inclined guide plates 3 are arranged inside the crushing shell 6, the two inclined guide plates 3 are located on both sides between the two groups of crushing rollers 1, and transmission components 4 are used to transmit the power between one end of the upper and lower two adjacent crushing rollers 1, and the transmission components 4 include two pulleys 41 respectively fixed at one end of the two crushing rollers 1, and the two pulleys 41 are transmitted through a transmission belt 42, and a belt tensioning member 5 for adjusting the tension of the transmission component 4 is provided on one side of the crushing shell 6, and the belt tensioning member 5 for adjusting the tension of the transmission component 4 is provided on the belt tensioning member 5. A tensioning adjusting member 9 is provided on the belt tensioning member 5. The other ends of the two upper crushing rollers 1 are provided with pulleys 10. The two pulleys 10 are connected to the driving motor 7 through a transmission belt 11 respectively. The driving motor 7 is installed on an adjustable motor seat 8. Openings are provided at both ends of the crushing shell 6. End side doors 2 are fixed to the openings by bolts. By opening the end side doors 2, it is convenient to clean and repair the inside of the crushing shell 6. The belt tensioning member 5 includes two L-shaped rotating frames 51 connected to the crushing shell 6 through pins. A tensioning wheel 53 is provided at the lower end of the L-shaped rotating frame 51. The two tensioning wheels 53 are respectively located on one side of the two transmission belts 42. The tensioning adjusting member 9 includes two rotating connecting blocks 91 respectively arranged on one side of the two L-shaped rotating frames 51. The two The rotating connecting blocks 91 are each provided with a through hole, a threaded rod 93 is provided between the through holes on the two rotating connecting blocks 91, the threaded rod 93 is connected to the rotating connecting blocks 91 by threads, and two adjusting nuts 92 for positioning the rotating connecting blocks 91 are provided on the threaded rod 93. The distance between the two rotating connecting blocks 91 can be adjusted by rotating the adjusting nuts 92. The tensioning wheel 53 can be driven to move by rotating the L-shaped rotating frame 51, and the tensioning degree of the transmission belt 42 can be adjusted by the tensioning wheel 53. The two rotatably connected L-shaped rotating frames 51 can ensure that the tensioning degrees of the two transmission belts 42 are the same during adjustment. The adjustable motor seat 8 includes a mounting base 86, and the upper surface of the mounting base 86 is evenly provided with sliding rods 82, and there is a movable upper and lower position between the sliding rods 82. The sliding upper and lower adjustment seat 81, a push spring 83 is provided between the lower surface of the mounting base 86 and the upper and lower adjustment seat 81, a connecting pipe 84 is fixed to the center of the upper surface of the mounting base 86, and a connected adjusting bolt 85 is provided on the upper and lower adjustment seat 81. The upper and lower adjustment seat 81 is located at the lower end of the screw head of the adjusting bolt 85, and the adjusting bolt 85 is connected to the connecting pipe 84 by a threaded connection. The length inside the connecting pipe 84 can be adjusted by rotating the adjusting bolt 85, so that the upper end position of the upper and lower adjustment seat 81 can be limited, so as to adjust the tension of the transmission belt 11, and the driving motor 7 can be damped by the push spring 83. The structure is simple and the operation is easy. It can not only ensure that the tension of the transmission belt is the same, but also damp the motor.Make the machine run better.

[0018] During use: by opening the end side door 2, it is convenient to clean and repair the inside of the crushing shell 6, by rotating the adjusting nut 92, the distance between the two rotating connecting blocks 91 can be adjusted, by rotating the L-shaped rotating frame 51, the tensioning wheel 53 can be driven to move, and the tensioning wheel 53 can be used to adjust the tension of the transmission belt 42. The two rotating L-shaped rotating frames 51 can ensure that the tension of the two transmission belts 42 is the same during adjustment, and by rotating the adjusting bolt 85, the length inside the connecting pipe 84 can be adjusted, thereby limiting the upper end position of the upper and lower adjustment seats 81, thereby adjusting the tension of the transmission belt 11, and the driving motor 7 can be damped by the jacking spring 83.

[0019] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A four-tooth roller crusher, comprising a crushing shell (6), wherein the upper end and the lower surface of the crushing shell (6) are respectively provided with a feed inlet and a discharge outlet, wherein: Two groups of crushing rollers (1) are arranged inside the crushing shell (6). The two groups of crushing rollers (1) are arranged in an upper and lower arrangement. The two crushing rollers (1) form a group. Two downwardly inclined guide plates (3) are arranged inside the crushing shell (6). The two inclined guide plates (3) are located on both sides between the two groups of crushing rollers (1). One end of the two adjacent crushing rollers (1) is driven by a transmission assembly (4). The transmission assembly (4) comprises two belt pulleys (41) respectively fixed to one end of the two crushing rollers (1). The two belt pulleys (41) are driven by a transmission belt (42). A belt tensioning member (5) for adjusting the tension of the transmission assembly (4) is arranged on one side of the crushing shell (6). A tensioning adjusting member (9) is arranged on the belt tensioning member (5). The other ends of the two crushing rollers (1) above are each provided with a belt pulley (10). The two belt pulleys (10) are respectively connected to a driving motor (7) through a transmission belt (11). The driving motor (7) is mounted on an adjustable motor seat (8).

2. A four-tooth roller crusher according to claim 1, characterized in that: The crushing shell (6) is provided with openings at both left and right ends, and end side doors (2) are fixed to the openings by bolts.

3. A four-tooth roller crusher according to claim 1, characterized in that: The belt tensioning member (5) comprises two L-shaped rotating frames (51) connected to the crushing shell (6) via pins, and a tensioning wheel (53) is provided at the lower end of the L-shaped rotating frame (51). The two tensioning wheels (53) are respectively located on one side of two driving belts (42).

4. A four-tooth roller crusher according to claim 3, characterized in that: The tension adjustment member (9) comprises two rotating connection blocks (91) respectively arranged on one side of two L-shaped rotating frames (51), the two rotating connection blocks (91) are each provided with a through hole, a threaded rod (93) is provided between the through holes on the two rotating connection blocks (91), the threaded rod (93) is connected to the rotating connection block (91) by threads, and the threaded rod (93) is provided with two adjustment nuts (92) for positioning the rotating connection block (91).

5. A four-tooth roller crusher according to claim 1, characterized in that: The adjustable motor seat (8) comprises a mounting base (86), the upper surface of the mounting base (86) is evenly provided with sliding rods (82), an upper and lower adjustment seat (81) that can slide up and down is provided between the sliding rods (82), a push spring (83) is provided between the lower surface of the mounting base (86) and the upper and lower adjustment seat (81), a connecting pipe (84) is fixed at the center of the upper surface of the mounting base (86), an adjusting bolt (85) connected to the upper and lower adjustment seat (81), the upper and lower adjustment seat (81) is located at the lower end of the screw head of the adjusting bolt (85), and the adjusting bolt (85) is connected to the connecting pipe (84) by means of a threaded connection.

Images