Crushing and screening device for rubber processing

Abstract

The utility model relates to the technical field of rubber processing, and discloses a rubber processing crushing and screening device which comprises a frame body, the top of the frame body is fixedly connected with an upper shell, two crushing rollers are rotatably connected in the upper shell, the bottom of the upper shell is fixedly connected with a lower shell communicated with the interior of the upper shell, and the lower shell is fixedly connected with a crushing device. Two rotating shafts are rotationally connected into the lower shell, a plurality of smashing blades are fixedly connected to the outer sides of the two rotating shafts, and the smashing blades on the outer sides of the two rotating shafts are distributed in a staggered mode. According to the crushing and screening device, damage to the blades can be reduced, the size of rubber during cutting and crushing of the blades is reduced, the service life of the crushing and screening device is prolonged, screened materials can be discharged in batches, the materials are prevented from being mixed in the discharging process, the discharging effect of the crushing and screening device is improved, and the working efficiency is improved. And a worker can conveniently discharge the rubber in the screening box, and the discharging convenience of the screening box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber processing, and more specifically to a rubber processing crushing and screening device. Background Art

[0002] Rubber refers to a highly elastic polymer material with reversible deformation. It is elastic at room temperature, can produce large deformation under a very small external force, and can return to its original state after removing the external force. And rubber needs to be crushed during the processing.

[0003] After retrieval, the Chinese patent with the publication number CN215703232U discloses a waste rubber crusher, which includes a machine case. One side of the machine case is provided with a feeding port, the feeding port is connected with a feeding hopper, a screw conveyor is arranged below the feeding port, a crushing cavity is arranged inside the machine case, and a crushing knife group is arranged inside the crushing cavity. When the above rubber crusher is in use, the following problems still exist. The existing rubber crusher directly uses blades for crushing treatment, while rubber has high toughness and is relatively large, which is easy to cause irreversible damage to the blades. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a rubber processing crushing and screening device to solve the problems existing in the above background art.

[0005] The utility model provides the following technical solution: A rubber processing crushing and screening device includes a frame body. The top of the frame body is fixedly connected with an upper shell. Two crushing rollers are rotatably connected inside the upper shell. The bottom of the upper shell is fixedly connected with a lower shell that is communicated with the inside of the upper shell. Two rotating shafts are rotatably connected inside the lower shell. A plurality of crushing blades are fixedly connected to the outer sides of the two rotating shafts. The plurality of crushing blades on the outer sides of the two rotating shafts are staggered. A power assembly is arranged on one outer wall of the upper shell to make the crushing rollers and the crushing blades crush rubber. Two guide rails are fixedly connected inside the frame body. A screening box is slidably connected to the outer sides of the two guide rails, and the screening box is located directly below the lower shell. A screen is fixedly connected inside the screening box.

[0006] As a further solution of the utility model, the power assembly includes a driving motor. A support frame is fixedly connected to one outer wall of the upper shell. The driving motor is fixedly connected to the top of the support frame. Both ends of the two crushing rollers pass through the upper shell. One end of the output shaft of the driving motor is fixed to one of the crushing rollers. Gear one is key-connected to both ends of the two crushing rollers away from the driving motor. The two gear ones are meshed with each other. A connecting assembly for driving the two rotating shafts to rotate is arranged on the outer side of the other crushing roller.

[0007] As a further solution of the present utility model, the connection component is a first pulley, the first pulley is key-connected to the circumferential outer wall of the crushing roller at a position outside the upper housing, both ends of the two rotating shafts pass through the lower housing, and one end of one of the rotating shafts is key-connected to a second pulley. The first pulley and the second pulley are connected by a belt drive, and the other ends of the two rotating shafts are both key-connected to a second gear, and the two second gears are meshed with each other.

[0008] As a further solution of the present utility model, a first discharge port is provided at one side of the screening box at the position of the upper surface of the screen, and a second door plate is hinged in the first discharge port.

[0009] As a further solution of the present utility model, a first door plate is hinged to the side of the screening box away from the second door plate, and a blocking component for fixing the first door plate is provided on both sides of the screening box.

[0010] As a further solution of the present utility model, the blocking component includes an L-shaped bolt. Cylinders are fixedly connected to both sides of the screening box near the top. The L-shaped bolt is inserted into the cylinder to block the first door plate.

[0011] As a further solution of the present utility model, a feed hopper is fixedly connected to the top of the upper housing.

[0012] Technical effects and advantages of the present utility model:

[0013] 1. By providing a crushing roller and a crushing blade, when crushing rubber, the rubber is first crushed by the crushing roller, and then cut and crushed by the crushing blade, which can reduce the damage to the blade, and at the same time can reduce the volume of the rubber during cutting and crushing by the blade, improving the service life of the crushing and screening device.

[0014] 2. By providing a first door plate and a second door plate, opening the second door plate can discharge the rubber above the screen separately, and opening the first door plate can discharge the rubber below the screen, thereby realizing batch discharging of the screened materials and avoiding mixing of the materials during discharging, improving the discharging effect of the crushing and screening device.

[0015] 3. By providing a guide rail, the screening box is moved along the guide rail, so that the position of the screening box can be changed, which is convenient for the staff to discharge the rubber in the screening box and improves the convenience of discharging the screening box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a front-side three-dimensional structural schematic diagram of the present utility model.

[0017] Figure 2This is a schematic diagram of the rear three-dimensional structure of the present utility model.

[0018] Figure 3 This is a schematic diagram of the crushing roller structure of the present utility model.

[0019] Figure 4 This is a schematic diagram of the crushing blade structure of the present utility model.

[0020] The reference numerals are: 1, frame body; 2, screening box; 3, L-shaped pin; 4, guide rail; 5, screen; 6, door panel 1; 7, drive motor; 8, lower housing; 9, upper housing; 10, feed hopper; 11, gear 1; 12, gear 2; 13, door panel 2; 14, crushing roller; 15, first belt pulley; 16, second belt pulley; 17, crushing blade. Specific embodiments

[0021] Next, in combination with the drawings in the present utility model, the technical solutions in the present utility model will be clearly and completely described. In addition, the forms of each structure described in the following embodiments are only examples, and the present utility model is not limited to the structures described in the following embodiments. All other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0022] Referring to Figures 1 - 4 , the present utility model provides a rubber processing crushing and screening device, including a frame body 1. The top of the frame body 1 is fixed with an upper housing 9 by bolts. Two crushing rollers 14 are rotatably connected inside the upper housing 9. The bottom of the upper housing 9 is fixed with a lower housing 8 that is communicated with the inside of the upper housing 9 by bolts. Two rotating shafts are rotatably connected inside the lower housing 8. A plurality of crushing blades 17 are fixed to the outer sides of the two rotating shafts by bolts. The plurality of crushing blades 17 on the outer sides of the two rotating shafts are staggered. A power assembly is provided on one outer wall of the upper housing 9 to crush the rubber by the crushing rollers 14 and the crushing blades 17. Two guide rails 4 are fixed to the inside of the frame body 1 by bolts. A screening box 2 is slidably connected to the outer sides of the two guide rails 4, and the screening box 2 is located directly below the lower housing 8. A screen 5 is fixed to the inside of the screening box 2 by bolts. The rubber is added into the upper housing 9, and then the two crushing rollers 14 are driven to rotate towards each other by the power assembly, and the two rotating shafts are driven to rotate towards each other, so that the two crushing rollers 14 first crush the rubber by rolling. The rubber after rolling and crushing will fall into the lower housing 8, and then the crushing blades 17 will cut and crush the rubber. The crushed rubber will fall into the screening box 2, and the screen 5 in the screening box 2 will screen the rubber, which can reduce the damage to the blades, and at the same time can reduce the volume of the rubber when the blades cut and crush, and improve the service life of the crushing and screening device.

[0023] In the present utility model, the power assembly includes a driving motor 7. One side outer wall of the upper housing 9 is fixedly connected with a support frame by bolts, and the driving motor 7 is fixedly connected to the top of the support frame by bolts. Both ends of the two crushing rollers 14 pass through the upper housing 9. One end of the output shaft of the driving motor 7 is fixedly connected to one of the crushing rollers 14. Gear one 11 is key-connected to both ends of the two crushing rollers 14 away from the driving motor 7. The two gears one 11 are meshed with each other. By driving one of the crushing rollers 14 to rotate by the driving motor 7, one of the crushing rollers 14 drives the other crushing roller 14 to rotate through the meshing between the two gears one 11, so that the two crushing rollers 14 rotate towards each other;

[0024] A connecting assembly for driving the two rotating shafts to rotate is arranged on the outer side of the other crushing roller 14. The connecting assembly is a first belt pulley 15. The first belt pulley 15 is key-connected to the circumferential outer wall of the crushing roller 14 at a position outside the upper housing 9. Both ends of the two rotating shafts pass through the lower housing 8. One end of one of the rotating shafts is key-connected to a second belt pulley 16. The first belt pulley 15 and the second belt pulley 16 are connected by a belt drive. Gear two 12 is key-connected to both ends of the two rotating shafts. The two gears two 12 are meshed with each other. During the rotation of the other crushing roller 14, the first belt pulley 15 will be driven to rotate. The first belt pulley 15 drives the second belt pulley 16 to rotate through the belt. The second belt pulley 16 drives one of the rotating shafts, and one of the rotating shafts drives the other rotating shaft to rotate through the meshing between the two gears two 12, so that the two rotating shafts rotate towards each other;

[0025] An outlet one is opened at a position on the upper surface of the screen 5 on one side of the screening box 2. A door panel two 13 is hinged in the outlet one. By opening the door panel two 13, the rubber above the screen 5 can be discharged. A door panel one 6 is hinged to the side of the screening box 2 away from the door panel two 13. A resisting assembly for fixing the door panel one 6 is arranged on both sides of the screening box 2. The resisting assembly includes an L-shaped bolt 3. Cylinders are welded to both sides of the screening box 2 near the top. The L-shaped bolt 3 is inserted into the cylinder, so that the L-shaped bolt 3 resists the door panel one 6. By pulling out the L-shaped bolt 3, the L-shaped bolt 3 no longer resists the door panel one 6, so that the door panel one 6 can be opened to discharge the rubber below the screen 5. A feed hopper 10 is fixedly connected to the top of the upper housing 9 by bolts.

[0026] Working principle of the utility model: Rubber is added into the upper housing 9. Meanwhile, one of the crushing rollers 14 is driven to rotate by the driving motor 7. One of the crushing rollers 14 drives the other crushing roller 14 to rotate through the meshing between two first gears 11, so that the two crushing rollers 14 rotate towards each other, thereby crushing the rubber by the two crushing rollers 14. The crushed rubber will fall into the lower housing 8. During the rotation of the other crushing roller 14, the first pulley 15 is driven to rotate. The first pulley 15 drives the second pulley 16 to rotate through a belt. The second pulley 16 drives one of the rotating shafts. One of the rotating shafts drives the other rotating shaft to rotate through the meshing between two second gears 12, so that the two rotating shafts rotate towards each other, and the crushing blades 17 cut and crush the rubber. The crushed rubber will fall into the screening box 2. The screen 5 in the screening box 2 screens the rubber, which can reduce the damage to the blades. At the same time, it can reduce the volume of the rubber when the blades cut and crush it, and improve the service life of the crushing and screening device.

[0027] Finally, several points should be noted: In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, which can be mechanical connection or electrical connection, or the communication inside two components, and can be directly connected. "Upper", "lower", "left", "right", etc. are only used to represent the relative position relationship. When the absolute position of the object being described changes, the relative position relationship may change;

[0028] In the attached drawings of the disclosed embodiments of the utility model, only the structures related to the disclosed embodiments are involved. Other structures can refer to the general design. Without conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A rubber processing crushing and screening device, comprising a frame (1), characterized in that: The top of the frame (1) is fixedly connected to an upper shell (9), and two crushing rollers (14) are rotatably connected to the upper shell (9). The bottom of the upper shell (9) is fixedly connected to a lower shell (8) which is connected to the interior of the upper shell (9). Two rotating shafts are rotatably connected to the lower shell (8), and a plurality of crushing blades (17) are fixedly connected to the outer sides of the two rotating shafts. The plurality of crushing blades (17) on the outer sides of the two rotating shafts are staggered. A power assembly is provided on the outer wall of one side of the upper shell (9) so that the crushing rollers (14) and the crushing blades (17) crush the rubber. Two guide rails (4) are fixedly connected to the frame (1), and a screening box (2) is slidably connected to the outer sides of the two guide rails (4), and the screening box (2) is located directly below the lower shell (8). A screen (5) is fixedly connected to the screening box (2).

2. A rubber processing crushing and screening device according to claim 1, characterized in that: The power assembly comprises a driving motor (7), an outer wall of one side of the upper shell (9) is fixedly connected to a support frame, the driving motor (7) is fixedly connected to the top of the support frame, both ends of the two crushing rollers (14) pass through the upper shell (9), one end of the output shaft of the driving motor (7) is fixed to one of the crushing rollers (14), the ends of the two crushing rollers (14) away from the driving motor (7) are key-connected to a gear one (11), the two gears one (11) are meshed with each other, and a connecting assembly for driving two rotating shafts to rotate is provided on the outer side of the other crushing roller (14).

3. A rubber processing crushing and screening device according to claim 2, characterized in that: The connecting component is a first pulley (15), which is key-connected to the outer circumferential wall of the crushing roller (14) at a position outside the upper shell (9), and both ends of the two rotating shafts pass through the lower shell (8), one end of one of the rotating shafts is key-connected to the second pulley (16), the first pulley (15) and the second pulley (16) are connected by belt transmission, and the other ends of the two rotating shafts are key-connected to gear two (12), and the two gear twos (12) are meshed with each other.

4. A rubber processing crushing and screening device according to claim 1, characterized in that: A discharge port 1 is provided on one side of the screening box (2) at a position on the upper surface of the screen (5), and a door panel 2 (13) is hingedly connected to the discharge port 1.

5. A rubber processing crushing and screening device according to claim 4, characterized in that: The screening box (2) is hingedly connected to door panel one (6) on one side away from door panel two (13), and both sides of the screening box (2) are provided with a blocking component for fixing door panel one (6).

6. A rubber processing crushing and screening device according to claim 5, characterized in that: The blocking component comprises an L-shaped latch (3), and cylinders are fixedly connected to the positions near the top of both sides of the screening box (2), and the L-shaped latch (3) is inserted into the cylinder so that the L-shaped latch (3) blocks the door panel 1 (6).

7. The rubber processing crushing and screening device according to claim 1, characterized in that: A feed hopper (10) is fixedly connected to the top of the upper shell (9).

Images