Tooth roller structure of crusher

Abstract

The utility model discloses a crusher tooth roller structure which comprises a crusher body and a protective cover, the protective cover is arranged on the inner side of the crusher body, two roll shafts which are arranged in parallel longitudinally penetrate through the interior of the protective cover, and rotating supports for supporting the roll shafts to rotate are arranged on the front side and the rear side of the crusher body. A plurality of assembling pieces are arranged on the outer side of the roller shaft in a surrounding mode, and an anti-disengaging ring is arranged on the outer side of the roller shaft on the inner sides of the assembling pieces in a sleeving mode; a dismounting and mounting cylinder is coaxially fixed to the middle section of the roller shaft, a locking groove is formed in the outer side of the dismounting and mounting cylinder, and supporting arms extending in the radial direction of the roller shaft are fixed to the inner sides of the assembling pieces. The tooth roller has the beneficial effects that the tooth roller is formed by combining a plurality of sheet-shaped assembling sheets, and the locking grooves for inserting and mounting the assembling sheets are formed in the outer side of the dismounting and mounting cylinder of the roller shaft, so that the assembling sheets can be conveniently and independently replaced according to damaged positions of teeth, the use cost of equipment is reduced, the assembling sheets can be dismounted and replaced without dismounting the roller shaft, the maintenance efficiency is higher, and the service life is prolonged. The use is more convenient.

Description

Technical Field

[0001] The utility model relates to the field of crusher equipment, in particular to a crusher tooth roller structure. Background Art

[0002] The toothed roller of the industrial double-roll crusher is responsible for impacting and squeezing the material to achieve material crushing. The teeth are easily worn, which leads to a decrease in crushing capacity and even causes overload shutdown. The current crusher toothed roller is an integrated cylindrical structure. When the red teeth in some areas are damaged or the roller product is deformed, it is necessary to disconnect the transmission connection between the external drive and the toothed roller, and then separate the rotating supports of the rotating support structure at both ends of the toothed roller, and disassemble the toothed roller as a whole to replace the toothed roller. The operation is cumbersome, and the cost of replacing the entire toothed roller is high, and the equipment use cost is high. Utility Model Content

[0003] The purpose of the utility model is to provide a crusher tooth roller structure in order to solve the above-mentioned problem. The tooth roller is composed of a plurality of assembly sheets, and a locking groove for inserting and installing the assembly sheet is provided on the outer side of the disassembly and assembly cylinder of the roller shaft, so that the assembly sheet can be replaced separately according to the position of tooth damage, thereby reducing the cost of equipment use. Details are described below.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] The utility model provides a crusher tooth roller structure, comprising a crusher body and a shield, wherein the shield is arranged inside the crusher body, two roller shafts arranged in parallel are longitudinally penetrated inside the shield, and rotating supports supporting the rotation of the roller shafts are arranged on the front and rear sides of the crusher body, and a plurality of assembly pieces are arranged around the outer side of the roller shaft, and an anti-slip ring is sleeved on the outer side of the roller shaft inside the assembly piece;

[0006] A disassembly and assembly cylinder is coaxially fixed to the middle section of the roller shaft, a locking groove is arranged on the outer side of the disassembly and assembly cylinder, a support arm extending radially along the roller shaft is fixed on the inner side of the assembly sheet, a locking plate extending into the locking groove is fixed on the inner end of the support arm, two groups of constraint sheets for preventing the locking plate from escaping from the locking groove are arranged on both sides of the outer opening of the locking groove, and a retaining frame for pushing the anti-slip ring against the support arm is sleeved on the outer side of the front end portion of the roller shaft inside the shield.

[0007] When the toothed roller structure of the crusher is adopted, when the damaged assembly piece needs to be replaced, the limiting screw is screwed out upward to disengage it from the fixing hole, and the locking state of the retaining ring on the outer side of the roller shaft is released, and then the retaining ring is pulled forward to move the retaining ring to the auxiliary hole position, and then the limiting screw is inserted into the auxiliary hole to lock the forward pulling position of the retaining ring; while the retaining ring is pulled forward, the connecting rod drives the connecting rod to support multiple groups of anti-slip rings to move forward synchronously, and the tight effect of the anti-slip ring on the support arm is released to release the position locking state of the assembly piece, and at this time, the assembly piece to be replaced is pulled forward, the locking plate is moved to the side away from the constraint piece, and then the assembly piece is moved outward to disengage it from the disassembly and assembly barrel, completing the separation process of the assembly piece; then the replaced assembly piece is reset to the vacant area outside the disassembly and assembly barrel, the limiting screw is separated, the retaining ring and the anti-slip ring are pushed and reset by the spring, and the limiting screw is again matched with the fixing hole thread to complete the disassembly and replacement process of the assembly piece.

[0008] Preferably, a limiting ring is fixed to the side of the disassembly and assembly cylinder away from the retaining frame, and the front end surface of the limiting ring is tightly pressed against the support arm on the rear side of the assembly piece.

[0009] Preferably, a supporting ring is fixed to the outer side of the roller shaft in front of the disassembling cylinder, and the retaining frame includes a retaining ring arranged between the disassembling cylinder and the supporting ring, the retaining ring is sleeved on the outer side of the roller shaft, and the retaining ring is gap-matched with the roller shaft.

[0010] Preferably, a spring is provided on the front side of the retaining ring, and the front end of the spring is pressed against the rear end surface of the supporting ring.

[0011] Preferably, a plurality of groups of mounting ears are fixed around the outer circumference of the anti-slip ring, and a plurality of longitudinally extending connecting rods are fixed to the outer circumference of the retaining ring corresponding to the mounting ears. The connecting rods longitudinally penetrate the mounting ears, and the outer sides of the connecting rods on the front and rear sides of the mounting ears are threadedly fitted with fixing nuts.

[0012] Preferably, a limiting screw is vertically penetrated through the middle of the retaining ring, and the limiting screw is clearance-matched with the retaining ring. A fixing hole and an auxiliary hole are vertically penetrated through the roller shaft between the disassembly cylinder and the supporting ring, and the auxiliary hole is arranged in front of the fixing hole.

[0013] Preferably, the fixing hole is threadably matched with the limiting screw, a disc-shaped knob is fixed to the outer end of the limiting screw, the diameter of the auxiliary hole is larger than the diameter of the limiting screw, and the distance between the fixing hole and the auxiliary hole is smaller than the compression stroke of the spring.

[0014] Preferably, the outer side of the assembly sheet is densely covered with crushing teeth, and a driving part for driving the roller shaft to rotate is arranged in front of the crusher body.

[0015] The beneficial effect is that: the utility model forms a gear roller by arranging a plurality of assembly sheets, and arranges a locking groove for inserting and installing the assembly sheet on the outer side of the disassembly and assembly cylinder of the roller shaft, and uses a spring to push the retaining frame to use multiple sets of anti-slip rings to tighten and limit the assembly sheet, so that it is convenient to replace the assembly sheet separately according to the position of the tooth damage, thereby reducing the cost of equipment use;

[0016] The anti-drop ring can be moved to pull the assembly piece forward, and then the lock plate can be removed from the lock groove. The corresponding external assembly piece can be disassembled and replaced without removing the roller shaft, which has higher maintenance efficiency and is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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 work.

[0018] Figure 1 It is the main structural diagram of the utility model;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0020] Figure 3 It is a schematic diagram of a partial three-dimensional structure of the utility model;

[0021] Figure 4 It is a schematic diagram of the partial structure split of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the utility model assembly sheet;

[0023] Figure 6 This is a schematic diagram of the structure of the combined state of the assembly sheet of the utility model;

[0024] Figure 7 It is a three-dimensional structural schematic diagram of the utility model roller;

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the utility model retainer;

[0026] Fig. 9 It is a partial top view of the structure of the utility model.

[0027] The following are the descriptions of the reference numerals:

[0028] 1. Crusher body; 2. Guard; 3. Rotating support; 4. Assembly plate; 401. Support arm; 402. Lock plate; 403. Crushing tooth; 5. Driving unit; 6. Roller; 601. Disassembly and assembly cylinder; 602. Locking groove; 602a. Constraint plate; 603. Limiting ring; 604. Supporting ring; 605. Fixing hole; 606. Auxiliary hole; 7. Retaining frame; 701. Retaining ring; 702. Spring; 703. Connecting rod; 704. Limiting screw; 8. Anti-slip ring; 801. Mounting ear. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0030] See also Figure 1-Figure 9 As shown, the utility model provides a crusher tooth roller structure, including a crusher body 1 and a shield 2, the shield 2 is arranged inside the crusher body 1, two roller shafts 6 arranged in parallel are longitudinally penetrated inside the shield 2, the front and rear sides of the crusher body 1 are both provided with a rotating support 3 for supporting the roller shaft 6 to rotate, a plurality of assembly pieces 4 are arranged around the outer side of the roller shaft 6, and the plurality of assembly pieces 4 are combined to form a tooth roller structure, and an anti-slip ring 8 is sleeved on the outer side of the roller shaft 6 inside the assembly piece 4;

[0031] A disassembly and assembly cylinder 601 is coaxially fixed to the middle section of the roller shaft 6, and a locking groove 602 is arranged on the outer side of the disassembly and assembly cylinder 601, and a support arm 401 extending radially along the roller shaft 6 is fixed on the inner side of the assembly sheet 4, and a locking plate 402 extending into the locking groove 602 is fixed to the inner end of the support arm 401, and two groups of constraint sheets 602a for blocking the locking plate 402 from escaping from the locking groove 602 are arranged on both sides of the outer opening of the locking groove 602, and an opening for guiding the locking plate 402 to escape from the locking groove 602 is reserved on the front side of the constraint sheet 602a, ensuring that the locking plate 402 at the end of the support arm 401 can escape from the locking groove 602, and a push-up anti-slip ring 8 is sleeved on the outer side of the front end of the roller shaft 6 inside the shield 2 to press against the retaining frame 7 of the support arm 401.

[0032] As an optional embodiment, a limiting ring 603 is fixed on the side of the disassembly and assembly cylinder 601 away from the retaining frame 7, and the front end surface of the limiting ring 603 is tightly pressed against the support arm 401 on the rear side of the assembly sheet 4. A supporting ring 604 is coaxially fixed to the outer side of the roller shaft 6 in front of the disassembly and assembly cylinder 601. The retaining frame 7 includes a retaining ring 701 arranged between the disassembly and assembly cylinder 601 and the supporting ring 604. The retaining ring 701 is sleeved on the outer side of the roller shaft 6, and the retaining ring 701 and the roller shaft 6 are in clearance fit. The retaining ring 701 can slide back and forth on the outer side of the roller shaft 6 to achieve position adjustment.

[0033] A spring 702 is provided at the front side of the retaining ring 701, and the front end of the spring 702 is pressed against the rear end face of the supporting ring 604 to support the retaining ring 701 so that it presses backward against the end face of the disassembling cylinder 601;

[0034] A plurality of mounting ears 801 are fixed around the outer circumference of the anti-slip ring 8, and a plurality of longitudinally extending connecting rods 703 are fixed to the outer circumference of the retaining ring 701 corresponding to the mounting ears 801. The connecting rods 703 longitudinally penetrate the mounting ears 801, and the outer sides of the connecting rods 703 on the front and rear sides of the mounting ears 801 are threadedly matched with fixing nuts, so that the anti-slip ring 8 and the disassembly ring are connected through the connecting rods 703;

[0035] A limiting screw 704 is vertically penetrated in the middle of the retaining ring 701, and the limiting screw 704 is in clearance with the retaining ring 701 to ensure that the limiting screw 704 can penetrate the retaining ring 701 and move up and down under the support of the retaining ring 701. A fixing hole 605 and an auxiliary hole 606 are vertically penetrated on the roller shaft 6 between the disassembly cylinder 601 and the supporting ring 604, and the auxiliary hole 606 is arranged in front of the fixing hole 605;

[0036] The fixing hole 605 is threadedly matched with the limiting screw 704, and a disc-shaped knob is fixed to the outer end of the limiting screw 704. The diameter of the auxiliary hole 606 is larger than the diameter of the limiting screw 704, ensuring that when the limiting screw 704 follows the retaining ring 701 to move forward to the position of the auxiliary hole 606, the limiting screw 704 can be inserted into the auxiliary hole 606, thereby locking the position of the retaining ring 701, and the spacing between the fixing hole 605 and the auxiliary hole 606 is smaller than the compression stroke of the spring 702. The outer side of the assembly sheet 4 is densely covered with crushing teeth 403 with a tooth structure, and a driving part 5 for driving the roller shaft 6 to rotate is arranged in front of the crusher body 1. The driving part 5 is a prior art in the field and will not be described here.

[0037] When the damaged assembly sheet 4 needs to be replaced by adopting the above structure, the limiting screw 704 is screwed out upward to disengage it from the fixing hole 605, thereby releasing the locking state of the retaining ring 701 on the outer side of the roller shaft 6, and then the retaining ring 701 is pulled forward to move the retaining ring 701 to the position of the auxiliary hole 606, and then the limiting screw 704 is inserted into the auxiliary hole 606 to lock the forward pulling position of the retaining ring 701; while the retaining ring 701 is pulled forward, the connecting rod 703 is driven by the retaining ring 701 to support the multiple groups of anti-slip rings 8 to move forward synchronously, so that the anti-slip rings 8 are pressed against the support arm 401 The tightening effect is released to release the position locking state of the assembly piece 4. At this time, the assembly piece 4 to be replaced is pulled forward, the locking plate 402 is moved to the side away from the constraint piece 602a, and then the assembly piece 4 is moved outward to separate it from the disassembly cylinder 601, and the separation process of the assembly piece 4 is completed; then the replaced assembly piece 4 is reset to the vacant area outside the disassembly cylinder 601, the limiting screw 704 is separated, the retaining ring 701 and the anti-slip ring 8 are pushed and reset by the spring 702, and the limiting screw 704 is again threadedly engaged with the fixing hole 605 to complete the disassembly and replacement process of the assembly piece 4;

[0038] The gear roller is formed by arranging a plurality of assembly sheets 4, and a locking groove 602 for inserting and installing the assembly sheet 4 is arranged on the outer side of the disassembly and assembly cylinder 601 of the roller shaft 6. The spring 702 pushes the retaining frame 7 to use a plurality of anti-slip rings 8 to tighten and limit the assembly sheet 4, so that the assembly sheet 4 can be replaced separately according to the position of the tooth damage, thereby reducing the cost of using the equipment.

[0039] And the assembly piece 4 can be pulled forward by moving the anti-slip ring 8, and then the locking plate 402 can be removed from the locking groove 602. The corresponding assembly piece 4 can be disassembled and replaced without disassembling the roller shaft 6, which has higher maintenance efficiency and is more convenient to use.

[0040] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A crusher tooth roller structure, comprising a crusher body (1) and a shield (2), wherein the shield (2) is arranged inside the crusher body (1), two roller shafts (6) arranged in parallel are longitudinally penetrated inside the shield (2), and rotating supports (3) for supporting the rotation of the roller shafts (6) are arranged on the front and rear sides of the crusher body (1), characterized in that: A plurality of assembly sheets (4) are arranged around the outer side of the roller shaft (6), and an anti-slip ring (8) is sleeved on the outer side of the roller shaft (6) inside the assembly sheet (4); A disassembly and assembly cylinder (601) is coaxially fixed to the middle section of the roller shaft (6), a locking groove (602) is arranged on the outer side of the disassembly and assembly cylinder (601), a support arm (401) extending radially along the roller shaft (6) is fixed on the inner side of the assembly sheet (4), a locking plate (402) extending into the locking groove (602) is fixed to the inner end of the support arm (401), two groups of restraining plates (602a) are arranged on both sides of the outer opening of the locking groove (602) to prevent the locking plate (402) from escaping from the locking groove (602), and a retaining frame (7) is sleeved on the outer side of the front end of the roller shaft (6) inside the protective cover (2) to push the anti-slip ring (8) against the support arm (401).

2. A crusher tooth roller structure according to claim 1, characterized in that: A limiting ring (603) is fixed on the side of the disassembly and assembly cylinder (601) away from the retaining frame (7), and the front end surface of the limiting ring (603) is tightly abutted against the support arm (401) on the rear side of the assembly plate (4).

3. A crusher tooth roller structure according to claim 2, characterized in that: A supporting ring (604) is fixed to the outer side of the roller shaft (6) in front of the disassembly and assembly cylinder (601); the retaining frame (7) comprises a retaining ring (701) arranged between the disassembly and assembly cylinder (601) and the supporting ring (604); the retaining ring (701) is sleeved on the outer side of the roller shaft (6), and the retaining ring (701) and the roller shaft (6) are clearance-matched.

4. A crusher tooth roller structure according to claim 3, characterized in that: A spring (702) is provided on the front side of the retaining ring (701), and the front end of the spring (702) is pressed tightly against the rear end surface of the supporting ring (604).

5. A crusher tooth roller structure according to claim 4, characterized in that: A plurality of groups of mounting ears (801) are fixed around the outer circumference of the anti-slip ring (8), and a plurality of longitudinally extending connecting rods (703) are fixed to the outer circumference of the retaining ring (701) corresponding to the mounting ears (801). The connecting rods (703) longitudinally penetrate the mounting ears (801), and the outer sides of the connecting rods (703) on the front and rear sides of the mounting ears (801) are threadedly fitted with fixing nuts.

6. A crusher tooth roller structure according to claim 5, characterized in that: A limiting screw (704) vertically penetrates the middle of the retaining ring (701), and the limiting screw (704) is clearance-matched with the retaining ring (701). A fixing hole (605) and an auxiliary hole (606) vertically penetrate the roller shaft (6) between the disassembly cylinder (601) and the supporting ring (604), and the auxiliary hole (606) is arranged in front of the fixing hole (605).

7. A crusher tooth roller structure according to claim 6, characterized in that: The fixing hole (605) is threadably matched with the limiting screw (704); a disc-shaped knob is fixed to the outer end of the limiting screw (704); the diameter of the auxiliary hole (606) is larger than the diameter of the limiting screw (704); and the distance between the fixing hole (605) and the auxiliary hole (606) is smaller than the compression stroke of the spring (702).

8. A crusher tooth roller structure according to claim 7, characterized in that: The outer side of the assembly sheet (4) is densely covered with crushing teeth (403), and a driving unit (5) for driving the roller shaft (6) to rotate is arranged in front of the crusher body (1).

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