Tensioning device for four-tooth-roller crusher

Abstract

The utility model relates to the technical field of four-roller crushers, in particular to a tensioning device for a four-tooth-roller crusher, which comprises a main body, the main body comprises an upper crushing roller I, an upper crushing roller II, a lower crushing roller I and a lower crushing roller II, a transmission belt II is sleeved on the upper crushing roller I and the lower crushing roller I, and a transmission belt II is sleeved on the transmission belt II. The second upper crushing roller and the second lower crushing roller are sleeved with a first transmission belt, and a tensioning assembly is fixedly installed at the side end of the main body. The tensioning assembly comprises a fixing block, an adjusting bolt, a positioning rod and a tensioning wheel. According to the utility model, the bidirectional adjusting tensioning wheels are additionally arranged on the outer side of the transmission belt II on the four-tooth-roller crusher, so that in the working process of the four-tooth-roller crusher, the adjusting tensioning wheels on the two sides of the transmission belt II carry out bidirectional tensioning on the transmission belt II, and the transmission belt II maintains relatively stable tensioning force; and change caused by position adjustment of the upper crushing roller I and the lower crushing roller I is avoided, so that the practicability of the device is effectively improved.

Description

Technical Field

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

[0002] Four-roll crusher is a commonly used crushing equipment, used to crush materials of various hardness. Its crushing effect is affected by many factors, including the crusher gap. The size of the crusher gap directly affects the crushing effect of the crusher. If the gap cannot be flexibly adjusted, it will have an adverse effect on the performance and use of the crusher.

[0003] At present, the existing four-roll crusher (according to patent number: CN220071827U) discloses a four-roll crusher gap adjustment device, including: a top seat, a feed port and an electric cylinder, the inner side of the top seat is provided with a feed port, the lower end of the top seat is provided with a main body, the upper ends of the front and rear sides of the main body are provided with movable grooves, the inner side of the movable groove is provided with a fixed frame, the inner side of the fixed frame is provided with hydraulic columns at both ends, the outer side of the hydraulic column is provided with a piston ring, the right side of the piston ring is provided with an inner bearing, and the inner side of the inner bearing is provided with an upper crushing roller.

[0004] However, in the process of implementing the above technical scheme, it was found that there is at least the following technical problem: when the upper and lower crushing rollers of the existing four-roll crusher are both adjustable in gap, it is difficult to tension the transmission belt between the upper and lower crushing rollers. The actual belt in the belt transmission is not a completely elastic body. After working for a period of time, it will relax due to plastic deformation, affecting the transmission effect. In this way, the tooth roller of the crusher cannot operate at the rated speed for effectively crushing materials, reducing the crushing effect of the crusher. Therefore, in order to solve the above problems, we propose a tensioning device for a four-roll crusher. Utility Model Content

[0005] 1. Technical issues to be resolved

[0006] In view of the deficiencies in the prior art, the utility model provides a tensioning device for a four-tooth roller crusher, which solves the following technical problems: when the upper and lower crushing rollers of the existing four-roll crusher are both gap-adjustable, it is difficult to tension the transmission belt between the upper and lower crushing rollers, and the actual belt in the belt transmission is not a completely elastic body. After working for a period of time, it will become loose due to plastic deformation, affecting the transmission effect. In this way, the tooth rollers of the crusher cannot operate at the rated speed for effectively crushing materials, reducing the technical problem of the crushing effect of the crusher.

[0007] (II) Technical solution

[0008] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0009] A tensioning device for a four-toothed roller crusher, comprising a main body, the main body comprising an upper crushing roller 1, an upper crushing roller 2, a lower crushing roller 1 and a lower crushing roller 2, the upper crushing roller 1 and the lower crushing roller 1 are sleeved with a transmission belt 2, the upper crushing roller 2 and the lower crushing roller 2 are sleeved with a transmission belt 1, and a tensioning assembly is fixedly installed on the side end of the main body; the tensioning assembly comprises a fixing block, an adjusting bolt, a positioning rod and a tensioning wheel;

[0010] A supporting block is fixedly installed on the side end portion of the main body, and supporting plates are fixedly installed on both sides of the supporting block. Adjustment tensioning wheels are slidably installed on the two supporting plates, and an adjustment threaded rod three is rotatably installed on the upper side of the supporting block; the two adjustment tensioning wheels are symmetrically installed, and the two adjustment tensioning wheels are respectively located on both sides of the transmission belt two, and the adjustment threaded rod three is threadedly installed on the two adjustment tensioning wheels, and the thread directions of the two adjustment tensioning wheels are opposite.

[0011] Preferably: a feed port is provided on the main body, and a discharge port is provided at the side end of the main body; the feed port is located directly above the upper crushing roller 1 and the upper crushing roller 2. A built-in port 1 is provided at the side end of the main body, and two support rods 1 are fixedly installed on the inner side wall of the built-in port 1; the two support rods 1 are symmetrically installed.

[0012] A support block is slidably mounted on the two support rods, and a support plate is slidably mounted on the two support rods; the lower crushing roller is arranged on the support block.

[0013] A support spring group is fixedly installed between the support block and the support plate, and an adjusting threaded rod is threadedly installed on the side end of the main body; the support spring group is composed of multiple springs, and the adjusting threaded rod is rotatably installed on the side end of the support plate.

[0014] Preferably: a second built-in opening is opened at the side end of the main body, and two second support rods are fixedly installed on the inner side wall of the second built-in opening; the two second support rods are symmetrically installed.

[0015] A support block 2 is slidably mounted on the two support rods 2, and a support plate 2 is slidably mounted on the two support rods 2; and the upper crushing roller 1 is arranged on the support block 2.

[0016] A second support spring group is fixedly installed between the second support block and the second support plate, and a second adjusting threaded rod is threadedly installed on the side end of the main body; the second support spring group is composed of multiple springs, and the second adjusting threaded rod is rotatably installed on the side end of the second support plate.

[0017] (III) Beneficial effects

[0018] 1. By adding a two-way adjusting tension wheel to the outer side of the transmission belt 2 on the four-roll crusher, the adjusting tension wheels on both sides of the transmission belt 2 can tension the transmission belt 2 in both directions during the operation of the four-roll crusher, so that the transmission belt 2 maintains a relatively stable tension force and will not change due to the position adjustment of the upper crushing roller 1 and the lower crushing roller 1, thereby effectively improving the practicability of the device.

[0019] Second, by adding adjustable support block 1 and support block 2 to the four-tooth roller crusher, the gap between the crushing rollers can be adjusted as needed during the use of the four-roller crusher, and the added support spring group 1 and support spring group 2 can provide emergency avoidance for the crushing rollers when encountering difficult-to-crush materials during the operation of the crushing rollers to prevent damage to the crushing rollers. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0021] Figure 1 This is the overall structural diagram of the tensioning device for the four-tooth roller crusher of the utility model;

[0022] Figure 2 This is a structural diagram of the tensioning device for the four-tooth roller crusher of the utility model;

[0023] Figure 3 This is a structural diagram of the installation of the adjusting tension wheel of the utility model;

[0024] Figure 4 This is a structural diagram of the overall adjusting tension wheel of the utility model.

[0025] Legend: 1. Main body; 11. Feed inlet; 12. Discharge outlet; 13. Upper crushing roller one; 14. Upper crushing roller two; 15. Lower crushing roller one; 16. Lower crushing roller two; 17. Drive belt one; 18. Tensioning assembly; 19. Drive belt two; 2. Built-in port one; 21. Support rod one; 22. Support block one; 23. Support plate one; 24. Support spring group one; 25. Adjustment threaded rod one; 3. Built-in port two; 31. Support rod two; 32. Support block two; 33. Support plate two; 34. Support spring group two; 35. Adjustment threaded rod two; 4. Load-bearing block; 41. Load-bearing plate; 42. Adjustment tensioning wheel; 43. Adjustment threaded rod three. DETAILED DESCRIPTION

[0026] The embodiment of the present application provides a tensioning device for a four-roller crusher, which effectively solves the following technical problems: when the upper and lower crushing rollers of the existing four-roller crusher are both adjustable in gap, it is difficult to tension the transmission belt between the upper and lower crushing rollers. The actual belt in the belt transmission is not a completely elastic body. After working for a period of time, it will relax due to plastic deformation, affecting the transmission effect. In this way, the tooth rollers of the crusher cannot operate at the rated speed for effectively crushing materials, thereby reducing the technical problem of the crushing effect of the crusher.

[0027] Example

[0028] like Figure 1 , Figure 2 , Figure 3 ,and Figure 4 As shown, the technical solution in the embodiment of the present application effectively solves the following technical problems: when the gap between the upper and lower crushing rollers of the existing four-roll crusher is adjustable, it is difficult to tension the transmission belt between the upper and lower crushing rollers. The actual belt in the belt transmission is not a completely elastic body. After working for a period of time, it will relax due to plastic deformation, affecting the transmission effect. In this way, the tooth roller of the crusher cannot work at the rated speed of the effective crushing material, which reduces the technical problem of the crushing effect of the crusher. The overall idea is based on the following:

[0029] In view of the problems existing in the prior art, the utility model provides a tensioning device for a four-toothed roller crusher, comprising a main body 1, the main body 1 comprising an upper crushing roller 13, an upper crushing roller 14, a lower crushing roller 15 and a lower crushing roller 16, a transmission belt 19 is sleeved on the upper crushing roller 13 and the lower crushing roller 15, a transmission belt 17 is sleeved on the upper crushing roller 14 and the lower crushing roller 16, and a tensioning assembly 18 is fixedly installed on the side end of the main body 1; wherein the tensioning assembly 18 comprises a fixing block, an adjusting bolt, a positioning rod and a tensioning wheel; the tensioning assembly 18 is adjusted to tension the transmission belt 17, a bearing block 4 is fixedly installed on the side end of the main body 1, and bearings are fixedly installed on both sides of the bearing block 4 A carrier plate 41, and two carrier plates 41 are both slidably mounted with adjusting tensioning wheels 42, and an adjusting threaded rod three 43 is rotatably mounted on the carrier block 4; wherein, the two adjusting tensioning wheels 42 are symmetrically mounted, and the two adjusting tensioning wheels 42 are respectively located on both sides of the transmission belt two 19, and the adjusting threaded rod three 43 and the two adjusting tensioning wheels 42 are threadedly mounted, and the thread directions of the two adjusting tensioning wheels 42 are opposite, and the adjusting threaded rod three 43 is rotated, and the adjusting threaded rod three 43 is subjected to force to threadably rotate in the two adjusting tensioning wheels 42, and because the thread directions of the two adjusting tensioning wheels 42 are opposite, the two adjusting tensioning wheels 42 move relatively, and the two adjusting tensioning wheels 42 move to tension the transmission belt two 19.

[0030] A feed port 11 is provided on the main body 1, and a discharge port 12 is provided on the side end of the main body 1; wherein, the feed port 11 is located directly above the upper crushing roller 13 and the upper crushing roller 14; the material is poured in from the feed port 11, and then the upper crushing roller 13 cooperates with the upper crushing roller 14, and the lower crushing roller 15 cooperates with the lower crushing roller 16 to crush the material, and the crushed material is discharged from the discharge port 12, and a built-in port 2 is provided on the side end of the main body 1, and two support rods 21 are fixedly installed on the inner side wall of the built-in port 2; wherein, the two support rods 21 are symmetrically installed; a support block 22 is slidably installed on the two support rods 21, and a support block 22 is slidably installed on the two support rods 21 A support plate 23; wherein the lower crushing roller 15 is arranged on a support block 22; a support spring group 24 is fixedly installed between the support block 22 and the support plate 23, and an adjusting threaded rod 25 is threadedly installed on the side end of the main body 1; wherein the support spring group 24 is composed of a plurality of springs, and the adjusting threaded rod 25 is rotatably installed with the side end of the support plate 23, and the adjusting threaded rod 25 is rotated, and the adjusting threaded rod 25 is subjected to force to adjust the support plate 23, and the support plate 23 is subjected to force to drive the support spring group 24, and the support spring group 24 is subjected to force to drive the support block 22, and the support block 22 is subjected to force to slide on the support rod 21, thereby completing the position adjustment of the lower crushing roller 15.

[0031] A built-in opening 23 is provided at the side end of the main body 1, and two support rods 2 31 are fixedly installed on the inner side wall of the built-in opening 23; wherein, the two support rods 2 31 are symmetrically installed; a support block 2 32 is slidably installed on the two support rods 2 31, and a support plate 2 33 is slidably installed on the two support rods 2 31; wherein, the upper crushing roller 13 is arranged on the support block 2 32; a support spring group 2 34 is fixedly installed between the support block 2 32 and the support plate 2 33, and an adjusting threaded rod 2 35 is threadedly installed at the side end of the main body 1; wherein, the support spring group 2 34 is composed of a plurality of springs, and the adjusting threaded rod 2 35 is rotatably installed with the side end of the support plate 2 33, and the adjusting threaded rod 2 35 is rotated, and the adjusting threaded rod 2 35 is subjected to force to adjust the support plate 2 33, and the support plate 2 33 is subjected to force to drive the support spring group 2 34, and the support spring group 2 34 is subjected to force to drive the support block 2 32, and the support block 2 32 is subjected to force to slide on the support rod 2 31, thereby completing the position adjustment of the upper crushing roller 13.

[0032] Working principle:

[0033] The first step is that when the four-tooth roller crusher is used with the tensioning device, the adjusting threaded rod three 43 is rotated, and the adjusting threaded rod three 43 is subjected to force to rotate the threads in the two adjusting tensioning wheels 42. Because the thread directions of the two adjusting tensioning wheels 42 are opposite, the two adjusting tensioning wheels 42 move relatively, and the two adjusting tensioning wheels 42 move to tension the transmission belt two 19, and adjust the tensioning assembly 18 to tension the transmission belt one 17. Then, the upper crushing roller one 13 cooperates with the upper crushing roller two 14, and the lower crushing roller one 15 cooperates with the lower crushing roller two 16 to perform crushing work. By adding a two-way adjusting tensioning wheel 42 to the outer side of the transmission belt two 19 on the four-tooth roller crusher, during the operation of the four-roll crusher, the adjusting tensioning wheels 42 on both sides of the transmission belt two 19 perform two-way tensioning on the transmission belt two 19, so that the transmission belt two 19 maintains a relatively stable tensioning force, which will not change due to the position adjustment of the upper crushing roller one 13 and the lower crushing roller one 15, thereby effectively improving the practicability of the device.

[0034] In the second step, when the four-tooth roller crusher is used with the tensioning device, the material is poured in from the feed port 11, and then the upper crushing roller 13 cooperates with the upper crushing roller 2 14, and the lower crushing roller 15 cooperates with the lower crushing roller 2 16 to crush the material. After crushing, the material is discharged from the discharge port 12. When the upper crushing roller 13 or the lower crushing roller 15 needs to be adjusted, the adjusting threaded rod 2 35 is rotated, and the adjusting threaded rod 2 35 is subjected to force to adjust the support plate 2 33. The support plate 2 33 is subjected to force to drive the support spring group 2 34. The support spring group 2 34 is subjected to force to drive the support block 2 32. The support block 2 32 is subjected to force to slide on the support rod 2 31, thereby completing the position adjustment of the upper crushing roller 13. The adjusting threaded rod 2 35 is subjected to force to adjust the support plate 2 33. The support plate 2 33 is subjected to force to drive the support spring group 2 34. The support spring group 2 34 is subjected to force to drive the support block 2 32. The support block 2 32 is subjected to force to slide on the support rod 2 31, thereby completing the position adjustment of the upper crushing roller 13. The threaded rod 25 is used to adjust the force of the threaded rod 25 to adjust the support plate 23. The support plate 23 is forced to drive the support spring group 24. The support spring group 24 is forced to drive the support block 22. The support block 22 is forced to slide on the support rod 21, thereby completing the position adjustment of the lower crushing roller 15. By adding adjustable support blocks 22 and 32 to the four-tooth roller crusher, the gap between the crushing rollers can be adjusted as needed during the use of the four-roller crusher. The added support spring group 24 and support spring group 2 34 can provide emergency avoidance for the crushing roller when encountering difficult-to-crush materials during the working process of the crushing roller to prevent the crushing roller from being damaged.

[0035] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A tensioning device for a four-tooth roller crusher, comprising a main body (1), characterized in that: The main body (1) comprises an upper crushing roller (13), an upper crushing roller (14), a lower crushing roller (15) and a lower crushing roller (16); a transmission belt (19) is sleeved on the upper crushing roller (13) and the lower crushing roller (15); a transmission belt (17) is sleeved on the upper crushing roller (14) and the lower crushing roller (16); a tensioning assembly (18) is fixedly mounted on the side end of the main body (1); Wherein, the tensioning assembly (18) comprises a fixing block, an adjusting bolt, a positioning rod and a tensioning wheel; A bearing block (4) is fixedly mounted on the side end of the main body (1), bearing plates (41) are fixedly mounted on both sides of the bearing block (4), adjusting tension wheels (42) are slidably mounted on the two bearing plates (41), and an adjusting threaded rod (43) is rotatably mounted on the upper side of the bearing block (4); The two adjusting tension wheels (42) are symmetrically installed, and the two adjusting tension wheels (42) are respectively located on both sides of the transmission belt 2 (19). The adjusting threaded rod 3 (43) is threadedly installed on the two adjusting tension wheels (42), and the thread directions of the two adjusting tension wheels (42) are opposite.

2. A tensioning device for a four-tooth roller crusher according to claim 1, characterized in that: The main body (1) is provided with a feed inlet (11), and a side end portion of the main body (1) is provided with a discharge outlet (12); The feed port (11) is located directly above the upper crushing roller 1 (13) and the upper crushing roller 2 (14).

3. A tensioning device for a four-tooth roller crusher according to claim 2, characterized in that: A built-in opening (2) is provided at the side end of the main body (1), and two support rods (21) are fixedly mounted on the inner side wall of the built-in opening (2); Wherein, the two support rods (21) are installed symmetrically.

4. A tensioning device for a four-toothed roller crusher according to claim 3, characterized in that: A support block (22) is slidably mounted on the two support rods (21); and a support plate (23) is slidably mounted on the two support rods (21); Wherein, the lower crushing roller one (15) is arranged on a supporting block one (22).

5. A tensioning device for a four-tooth roller crusher according to claim 4, characterized in that: A support spring assembly (24) is fixedly installed between the support block (22) and the support plate (23), and an adjusting threaded rod (25) is threadedly installed on the side end of the main body (1); Wherein, the support spring group 1 (24) is composed of a plurality of springs, and the adjusting threaded rod 1 (25) is rotatably mounted on the side end of the support plate 1 (23).

6. A tensioning device for a four-tooth roller crusher according to claim 5, characterized in that: The side end of the main body (1) is provided with a second built-in opening (3), and the inner side wall of the second built-in opening (3) is fixedly mounted with two second support rods (31); Wherein, the two support rods 2 (31) are installed symmetrically.

7. A tensioning device for a four-tooth roller crusher according to claim 6, characterized in that: A second support block (32) is slidably mounted on the two second support rods (31), and a second support plate (33) is slidably mounted on the two second support rods (31); Wherein, the upper crushing roller one (13) is arranged on the supporting block two (32).

8. A tensioning device for a four-tooth roller crusher according to claim 7, characterized in that: A second support spring assembly (34) is fixedly installed between the second support block (32) and the second support plate (33), and a second adjusting threaded rod (35) is threadedly installed on the side end of the main body (1); Wherein, the second support spring group (34) is composed of a plurality of springs, and the second adjusting threaded rod (35) is rotatably mounted on the side end of the second support plate (33).

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