Crushing roller for reclaimed rubber production

Abstract

The crushing roller for reclaimed rubber production comprises a crushing roller body and crushing teeth, the interior of each crushing tooth is sequentially provided with a slot, a limiting round hole and a linear hole from top to bottom, the interior of each slot is provided with a limiting groove, and the interior of each limiting groove is slidably connected with a limiting column head; limiting springs are connected to the outer walls of the limiting column heads and the inner walls of the limiting grooves, and a plurality of fixing rods are arranged on the outer wall of the smashing roller body. Rotary crushing teeth and linear holes in the crushing teeth are aligned to a fixing rod, the fixing rod is slidably connected into the linear holes, the rotary crushing teeth and the fixing rod rotate in a limiting round hole, the fixing rod is in threaded connection into the limiting round hole, a fixing round table is rotatably inserted into an inserting groove, and the fixing round table extrudes a limiting column head. And the limiting column head is slidably connected into the limiting groove, the limiting spring provides elastic force, the limiting column head extrudes the fixing circular truncated cone, and the function of fixing the smashing teeth is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reclaimed rubber, in particular to a crushing roller for reclaimed rubber production. Background Technique

[0002] Reclaimed rubber is rubber processed from vulcanized scraps and waste in rubber product production, with a certain plasticity and can be reused; abbreviated as reclaimed rubber; according to the different waste rubbers used, reclaimed rubber is divided into outer tire type, inner tire type, rubber shoe type, etc.; reclaimed rubber can partially replace raw rubber in rubber products, saving raw rubber and carbon black, and is also beneficial to improving processing performance and certain properties of rubber products; the roll crusher is one of the oldest crushing equipments, with a simple structure, and is still used in industrial sectors such as cement and silicate, mainly for medium and fine crushing operations of ores.

[0003] For example, a crushing roller for plastic processing with the authorization announcement number of CN212579001U and the announcement time of February 23, 2021, includes a crushing roller body. A through hole penetrating left and right is opened on the crushing roller body. A rotating rod is inserted into the through hole, and the rotating rod is fixedly connected to the through hole. A plurality of cutting knives are sleeved on the crushing roller body. The plurality of cutting knives are arranged at equal intervals. A plurality of groups of partition plates are fixedly connected between adjacent cutting knives. One group of partition plates consists of two parallel baffles.

[0004] For the existing crushing roller, the crushing teeth are fixed on the crushing roller. When the crushing teeth on the crushing roller are damaged, the staff needs to replace the entire crushing roller, which not only wastes manpower and material resources, but also affects the crushing efficiency. Therefore, it is urgent to design a crushing roller for reclaimed rubber production to solve the above problems. Content of the Utility Model

[0005] The purpose of the utility model is to solve the disadvantages existing in the prior art, and to propose a crushing roller for reclaimed rubber production.

[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0007] A crushing roller for reclaimed rubber production includes a crushing roller body and crushing teeth. Slots, limiting round holes and cross-shaped holes are sequentially opened in the crushing teeth from top to bottom. A limiting groove is opened inside the slot. A limiting stud is slidably connected inside the limiting groove. A limiting spring is connected between the outer wall of the limiting stud and the inner wall of the limiting groove. A plurality of fixing rods are arranged on the outer wall of the crushing roller body, and a fixing frustum is arranged on the outer wall of the top of the fixing rod. The outer wall of the fixing rod is threadedly connected inside the limiting round hole.

[0008] Further, a plurality of card slots are formed in the outer wall of the crushing roller body, and a cutting ring is clamped inside the card slots. Fixed blocks are arranged on the outer walls on both sides of the cutting ring, and threaded holes are formed in the outer walls on the front sides of the fixed blocks. Threaded bolts are threadedly connected inside the threaded holes.

[0009] Further, a cutting groove is formed in the outer wall of the top of the cutting ring, and a cutting column is slidably connected inside the cutting groove.

[0010] Further, a cutting claw is arranged at one end of the cutting column, and a cutting spring is connected between the other end of the cutting column far from the cutting claw and the inner wall of the cutting groove.

[0011] Further, fixing holes are formed in the outer wall of the crushing teeth, and fixing bolts are threadedly connected inside the fixing holes.

[0012] Further, a temperature-resistant layer is sleeved on the outer wall of the crushing teeth, and a wear-resistant layer is sleeved on the outer wall of the temperature-resistant layer.

[0013] Further, both ends of the crushing roller body are rotatably connected with protective covers through bearings, and cleaning brushes are arranged on the inner walls of the protective covers. The cleaning brushes are in contact with the crushing teeth.

[0014] The beneficial effects of the present utility model are as follows:

[0015] 1. By providing the crushing teeth, fixing rods, one-word holes, limiting round holes, card slots, slot slots, fixing round tables, limiting slots, limiting column heads and limiting springs, rotate the crushing teeth. Align the one-word holes in the crushing teeth with the fixing rods. The fixing rods are slidably connected in the one-word holes. Rotate the crushing teeth, and the fixing rods rotate in the limiting round holes. The fixing rods are threadedly connected in the limiting round holes. The fixing round tables are rotationally inserted into the slot slots. The fixing round tables squeeze the limiting column heads. The limiting column heads are slidably connected in the limiting slots. The limiting springs provide elastic force. The limiting column heads squeeze the fixing round tables, realizing the function of facilitating the fixing of the crushing teeth. When a certain crushing tooth on the crushing roller is damaged, it is convenient for the staff to replace the damaged crushing tooth, avoiding affecting the crushing efficiency.

[0016] 2. By providing the cutting grooves, cutting rings, cutting springs, cutting columns and cutting claws, the cutting columns slide in the cutting grooves in the cutting rings. The cutting columns squeeze the cutting springs. The cutting springs provide elastic force to slow down the impact of the poured materials on the cutting rings. The cutting columns drive the cutting claws, so that the cutting claws stab and grab the materials, avoiding the materials from slipping on the crushing teeth during crushing, and realizing the function that the materials can enter the crushing teeth.

[0017] 3. Through the provided protective cover and cleaning brush, the protective cover is fixed at both ends of the crushing roller body. As the crushing roller body rotates, the crushing teeth on the crushing roller body come into contact with the cleaning brush, and the cleaning brush cleans the materials adhering to the crushing teeth, preventing the materials from filling the gaps between the crushing teeth and reducing the crushing efficiency. Brief Description of the Drawings

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a crushing roller for the production of reclaimed rubber proposed by the present utility model;

[0019] Figure 2 It is a top view sectional structural schematic diagram of a crushing roller for the production of reclaimed rubber proposed by the present utility model;

[0020] Figure 3 It is a three-dimensional sectional structural schematic diagram of the crushing teeth of a crushing roller for the production of reclaimed rubber proposed by the present utility model;

[0021] Figure 4 It is an enlarged structural schematic diagram of the crushing teeth of a crushing roller for the production of reclaimed rubber proposed by the present utility model.

[0022] In the figures: 1, crushing roller body; 2, crushing teeth; 3, limiting round hole; 4, slot; 5, fixing rod; 6, fixing hole; 7, fixing bolt; 8, clamping groove; 9, cutting ring; 10, fixing block; 11, threaded hole; 12, cutting groove; 13, cutting spring; 14, cutting column; 15, cutting claw; 16, protective cover; 17, cleaning brush; 18, wear-resistant layer; 19, heat-resistant layer; 20, slot; 21, fixing frustum; 22, limiting groove; 23, limiting head; 24, limiting spring; 25, threaded bolt. Detailed Embodiment

[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0024] It should be noted that when a component is referred to as "fixed to" another component, it can be directly on the other component or there can also be an intermediate component. When a component is considered to be "connected" to another component, it can be directly connected to the other component or there may be an intermediate component at the same time. When a component is considered to be "disposed on" another component, it can be directly disposed on the other component or there may be an intermediate component at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which this utility model belongs. The terms used herein in the specification of this utility model are only for the purpose of describing specific embodiments and are not intended to limit this utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0026] Refer to Figures 1-4 , a crushing roller for the production of reclaimed rubber, comprising a crushing roller body 1 and crushing teeth 2. Slots 20, limiting round holes 3 and slotted holes 4 are successively formed in the interior of the crushing teeth 2 from top to bottom. A limiting groove 22 is formed in the interior of the slot 20. A limiting stud 23 is slidably connected in the interior of the limiting groove 22. A limiting spring 24 is connected between the outer wall of the limiting stud 23 and the inner wall of the limiting groove 22. A plurality of fixing rods 5 are arranged on the outer wall of the crushing roller body 1. A fixing frustum 21 is arranged on the outer wall of the top of the fixing rod 5. The outer wall of the fixing rod 5 is threadedly connected in the interior of the limiting round hole 3. The limiting stud 23 presses the limiting spring 24, and the limiting spring 24 provides an elastic force to fix the fixing round head, realizing the fixing function of the crushing teeth 2.

[0027] In an embodiment provided by this utility model, as Figure 1 and Figure 2 shown, a plurality of clamping grooves 8 are formed on the outer wall of the crushing roller body 1. A cutting ring 9 is clamped in the interior of the clamping groove 8. Fixing blocks 10 are arranged on the outer walls on both sides of the cutting ring 9. A threaded hole 11 is formed on the outer wall of the front side of the fixing block 10. A threaded bolt 25 is threadedly connected in the interior of the threaded hole 11. The cutting ring 9 is inside the clamping groove 8, realizing the limiting function of the cutting ring 9.

[0028] In another embodiment provided by this utility model, as Figure 2 shown, a cutting groove 12 is formed on the outer wall of the top of the cutting ring 9. A cutting column 14 is slidably connected in the interior of the cutting groove 12. The cutting column 14 slides in the cutting groove 12, realizing the limiting function of the cutting column 14.

[0029] In still another embodiment provided by this utility model, asFigure 2 As shown, a cutting claw 15 is provided at one end of the cutting column 14, and a cutting spring 13 is connected between the other end of the cutting column 14 far from the cutting claw 15 and the inner wall of the cutting groove 12. The cutting column 14 drives the cutting claw 15 to move, and the cutting claw 15 stabs and grabs the material, realizing the function of fixing the material to prevent the material from sliding on the crushing teeth 2 and unable to enter between the crushing teeth 2.

[0030] In an embodiment provided by the present utility model, as Figure 2 and Figure 3 shown, fixing holes 6 are formed on the outer wall of the crushing teeth 2, and fixing bolts 7 are threadedly connected inside the fixing holes 6. The fixing bolts 7 are threadedly connected in the fixing holes 6, realizing the function of limiting the wear-resistant layer 18 and the temperature-resistant layer 19.

[0031] In another embodiment provided by the present utility model, as Figure 3 shown, a temperature-resistant layer 19 is sleeved on the outer wall of the crushing teeth 2, and a wear-resistant layer 18 is sleeved on the outer wall of the temperature-resistant layer 19. The wear-resistant layer 18 is sleeved on the temperature-resistant layer 19, realizing the function of further protecting the crushing teeth 2.

[0032] In still another embodiment provided by the present utility model, as Figure 1 and Figure 2 shown, protective covers 16 are rotatably connected to both ends of the crushing roller body 1 through bearings, and cleaning brushes 17 are provided on the inner walls of the protective covers 16. The cleaning brushes 17 are in contact with the crushing teeth 2, realizing the function of removing the material attached to the crushing teeth 2 and between the crushing teeth 2.

[0033] Working principle: when replacing, rotate the crushing tooth 2, align the straight hole 4 in the crushing tooth 2 with the fixing rod 5, the fixing rod 5 slides in the straight hole 4, the fixing rod 5 enters the limiting circular hole 3, rotate the crushing tooth 2, the fixing rod 5 is threadedly fixed in the limiting circular hole 3, the fixed round table 21 contacts the limiting column head 23, the limiting column head 23 squeezes the limiting spring 24, the limiting column head 23 slides in the limiting groove 22, and is inserted in the slot 20. The limiting spring 24 provides elastic force, and the limiting column head 23 squeezes the fixed round head, thereby realizing the function of fixing the crushing tooth 2, and realizing that if a certain crushing tooth 2 is damaged, there is no need to replace the entire crushing roller, saving manpower and material resources, the cutting ring 9 is slidably connected in the slot 8, and the fixing bolt 7 passes through the fixing hole 6 in the fixing block 10, thereby realizing the fixing of the cutting ring 9, the cutting column 14 slides in the cutting groove 12, and the cutting column 14 squeezes the cutting spring Spring 13, cutting spring 13 provides elastic force, which reduces the impact force of the material on the cutting ring 9 when it falls and damages the cutting ring 9. The cutting column 14 drives the cutting claw 15, and the cutting claw 15 pierces and grabs the material, so that the material can enter the middle of the crushing teeth 2, avoiding the material on the crushing teeth 2 from being unable to enter between the crushing teeth 2. The outer wall of the crushing teeth 2 is sleeved with a heat-resistant layer 19, and the heat-resistant layer 19 is sleeved with a wear-resistant layer 18, thereby achieving further protection for the crushing teeth 2. The fixing bolt 7 passes through the wear-resistant layer 18 and the heat-resistant layer 19, and is threadedly connected to the inside of the fixing hole 6 to achieve the fixing effect of the wear-resistant layer 18 and the heat-resistant layer 19, preventing the wear-resistant layer 18 and the heat-resistant layer 19 from falling off. The crushing roller body 1 rotates, and the anti-slip cover is fixed at both ends of the crushing roller body 1. The cleaning brush 17 in the protective cover 16 cleans the crushing teeth 2, so that the material is filled between the crushing teeth 2, thereby avoiding a decrease in efficiency during crushing.

[0034] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A crushing roller for reclaimed rubber production, comprising a crushing roller body (1) and crushing teeth (2), characterized in that: The inside of the crushing tooth (2) is provided with a slot (20), a limiting circular hole (3) and a straight hole (4) in sequence from top to bottom, and a limiting slot (22) is provided inside the slot (20), the inside of the limiting slot (22) is slidably connected to a limiting column head (23), and the outer wall of the limiting column head (23) and the inner wall of the limiting slot (22) are connected to a limiting spring (24), the outer wall of the crushing roller body (1) is provided with a plurality of fixing rods (5), and the outer wall of the top of the fixing rod (5) is provided with a fixing truncated cone (21), and the outer wall of the fixing rod (5) is threadedly connected to the inside of the limiting circular hole (3).

2. A crushing roller for reclaimed rubber production according to claim 1, characterized in that: The outer wall of the crushing roller body (1) is provided with a plurality of slots (8), and a cutting ring (9) is clamped inside the slot (8). The outer walls on both sides of the cutting ring (9) are provided with fixing blocks (10), and the outer wall on the front side of the fixing block (10) is provided with a threaded hole (11), and the inner thread of the threaded hole (11) is connected with a threaded bolt (25).

3. A crushing roller for reclaimed rubber production according to claim 2, characterized in that: A cutting groove (12) is provided on the outer wall of the top of the cutting ring (9), and a cutting column (14) is slidably connected inside the cutting groove (12).

4. A crushing roller for reclaimed rubber production according to claim 3, characterized in that: A cutting claw (15) is provided at one end of the cutting column (14), and a cutting spring (13) is connected to the inner wall of the cutting groove (12) at the other end of the cutting column (14) away from the cutting claw (15).

5. A crushing roller for reclaimed rubber production according to claim 4, characterized in that: A fixing hole (6) is provided on the outer wall of the pulverizing tooth (2), and a fixing bolt (7) is threadedly connected inside the fixing hole (6).

6. A crushing roller for reclaimed rubber production according to claim 5, characterized in that: A heat-resistant layer (19) is sleeved on the outer wall of the pulverizing teeth (2), and a wear-resistant layer (18) is sleeved on the outer wall of the heat-resistant layer (19).

7. A crushing roller for reclaimed rubber production according to claim 6, characterized in that: Both ends of the pulverizing roller body (1) are rotatably connected to protective covers (16) via bearings, and a cleaning brush (17) is provided on the inner wall of the protective cover (16), and the cleaning brush (17) is in contact with the pulverizing teeth (2).

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