Natural rubber raw material screening device

Abstract

The utility model discloses a natural rubber raw material screening device and relates to the technical field of rubber raw material screening, the natural rubber raw material screening device comprises a base and a crushing box, four telescopic rods are installed in the base in a sliding mode, springs are fixedly installed on the upper surfaces of the telescopic rods, and a screening machine is fixedly installed at the ends, away from the telescopic rods, of the springs; the two sides of the crushing box are each fixedly provided with a supporting rod, the bottom ends of the supporting rods make contact with the ground, the bottom end of a discharging pipe of the crushing box makes contact with a feeding port of the screening machine, and two crushing rollers are installed in the crushing box in a sliding mode. The feeding port in the upper surface of the screening machine makes contact with the discharging pipe of the crushing box, the screening machine can be conveniently used in cooperation with different crushing boxes, the mounting blocks are arranged to drive the crushing rollers to move, the distance between the crushing rollers can be conveniently adjusted, rubber raw material particles of different sizes can be machined, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of rubber raw material screening, in particular to a natural rubber raw material screening device. Background Art

[0002] Natural rubber is a natural polymer compound with cis-1,4-polyisoprene as the main component. 91% to 94% of its components are rubber hydrocarbons, and the rest are non-rubber substances such as proteins, fatty acids, ash, and sugars. Natural rubber is the most widely used general-purpose rubber.

[0003] At present, when natural rubber raw materials are used, they first need to be crushed, and then the crushed rubber raw materials need to be screened for subsequent use. However, the height of most of the current screening devices is fixed, and the position of the screening devices cannot be adjusted according to the position of different crushing devices, which is inconvenient for daily use. Moreover, when most of the current crushing devices are in use, the position of their crushing rollers is fixed, and only one specification of rubber raw materials can be crushed. The position of the crushing roller cannot be adjusted according to the size of the required rubber particles, which is inconvenient for daily use. In view of the above problems, the inventor proposes a natural rubber raw material screening device to solve the above problems. Utility Model Content

[0004] In order to solve the problem, the utility model aims to provide a natural rubber raw material screening device.

[0005] In order to solve the above technical problems, the utility model adopts the following technical scheme: a natural rubber raw material screening device, including a base and a crushing box, four telescopic rods are slidably installed inside the base, four screw rods are rotatably installed inside the base, and the telescopic rods are threadedly connected to the screw rods, a second bevel gear is fixedly installed at the center of the bottom end of the screw rod, two rotating rods are rotatably installed in the base, two first bevel gears are fixedly installed on the outer surface of the rotating rod, and the first bevel gear and the second bevel gear are meshed, a No. 1 motor is fixedly installed on the side of the base, and one end of the No. 1 motor output shaft is rotatably set inside the base, two fourth bevel gears are fixedly installed on the outer surface of the No. 1 motor output shaft, and the rotating rod is fixedly installed at the center of one end near the No. 1 motor There is a third bevel gear, and the third bevel gear is meshed with the fourth bevel gear. A spring is fixedly installed on the upper surface of the telescopic rod, and a screening machine is fixedly installed on the end of the spring away from the telescopic rod; support rods are fixedly installed on both sides of the crushing box, and the bottom ends of the support rods are in contact with the ground, and the bottom end of the crushing box discharge pipe is in contact with the feed port of the screening machine. Two crushing rollers are slidably installed in the crushing box, and mounting plates are fixedly installed on both sides of the crushing box. Two mounting blocks are slidably installed on the lower surface of the mounting plate, and both ends of the crushing rollers are rotatably arranged inside the mounting plate, a sliding block is fixedly installed on the upper surface of the mounting plate, and the sliding block is slidably arranged inside the mounting plate, a double-headed screw is rotatably installed in the mounting plate, and the upper thread of the double-headed screw is connected with the sliding block.

[0006] Preferably, a fixing plate is fixedly installed on the side of the mounting plate, and a No. 3 motor is fixedly installed on the side of the fixing plate, and one end of the output shaft of the No. 3 motor is rotatably set inside the fixing plate, and two No. 4 bevel gears are fixedly installed on the outer surface of the output shaft of the No. 3 motor, and a No. 1 bevel gear is fixedly installed at the center of one end of the double-headed screw near the No. 3 motor, and the No. 1 bevel gear and the No. 4 bevel gear are meshed with each other.

[0007] Preferably, a rotating rod is rotatably installed in the mounting plate, and the two rotating rods are driven by synchronous wheels and synchronous belts. Two No. 3 bevel gears are provided on the sliding sleeve on the outer surface of the rotating rod. No. 2 bevel gears are fixedly installed at the centers of both ends of the crushing roller, and the No. 3 bevel gear and the No. 2 bevel gear are meshed with each other. A No. 2 motor is fixedly installed on the side of the mounting plate on the left, and one end of the output shaft of the No. 2 motor is fixedly connected to the synchronous wheel.

[0008] Preferably, sleeves are fixedly installed on the sides of the third bevel gear that are away from each other, and the sleeves are rotatably arranged inside the mounting block. The inner ring of the sleeve has two limit bars fixedly installed on the outer surface, and the limit bars are slidably arranged in the rotating rod.

[0009] Compared with the prior art, the beneficial effects of the present invention are:

[0010] 1. In the utility model, a telescopic rod is provided to drive the screening machine to move, and the height of the screening machine is adjusted so that the feed port on the upper surface of the screening machine is in contact with the discharge pipe of the crushing box, so that the screening machine can be used in conjunction with different crushing boxes.

[0011] 2. In the utility model, a mounting block is provided, and the movement of the mounting block drives the crushing roller to move, so that the distance between the crushing rollers can be adjusted according to the required size of the rubber raw material particles, so that rubber raw material particles of different sizes can be processed, thereby improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] 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.

[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0014] Figure 2 It is a schematic diagram of the cross-sectional structure of the crushing box of the utility model.

[0015] Figure 3It is a schematic diagram of the cross-sectional structure of the base of the utility model.

[0016] In the figure: 1. base; 11. telescopic rod; 12. spring; 13. screw rod; 14. first bevel gear; 15. rotating rod; 16. second bevel gear; 17. third bevel gear; 18. No. 1 motor; 19. fourth bevel gear; 2. screening machine; 3. crushing box; 31. support rod; 32. mounting plate; 321. No. 2 motor; 322. double-headed screw; 323. No. 1 bevel gear; 33. mounting block; 34. slider; 35. crushing roller; 36. No. 2 bevel gear; 37. rotating rod; 38. No. 3 bevel gear; 39. casing; 391. limit strip; 4. fixing plate; 41. No. 3 motor; 42. No. 4 bevel gear. DETAILED DESCRIPTION

[0017] 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.

[0018] Example: Figure 1-3 As shown, the utility model provides a natural rubber raw material screening device, including a base 1 and a crushing box 3, four telescopic rods 11 are slidably installed inside the base 1, which are used to drive the screening machine 2 to move and adjust the height of the screening machine 2, and a spring 12 is fixedly installed on the upper surface of the telescopic rod 11, and the screening machine 2 is fixedly installed at one end of the spring 12 away from the telescopic rod 11; support rods 31 are fixedly installed on both sides of the crushing box 3, and the bottom ends of the support rods 31 are in contact with the ground, and the bottom end of the discharge pipe of the crushing box 3 is in contact with the feed port of the screening machine 2, and two crushing rollers 35 are slidably installed in the crushing box 3 to crush the rubber raw materials.

[0019] Four screw rods 13 are rotatably installed in the base 1 , and the telescopic rods 11 are threadedly connected to the screw rods 13 . A second bevel gear 16 is fixedly installed at the center of the bottom end of the screw rods 13 .

[0020] By adopting the above technical solution, the screw rod 13 can drive the telescopic rod 11 to move.

[0021] Two rotating rods 15 are rotatably mounted in the base 1 , and two first bevel gears 14 are fixedly mounted on the outer surfaces of the rotating rods 15 , and the first bevel gears 14 and the second bevel gears 16 are meshed with each other.

[0022] By adopting the above technical solution, the rotating rod 15 can drive the screw rod 13 to rotate.

[0023] A No. 1 motor 18 is fixedly installed on the side of the base 1, and one end of the output shaft of the No. 1 motor 18 is rotatably set inside the base 1, and two fourth bevel gears 19 are fixedly installed on the outer surface of the output shaft of the No. 1 motor 18. A third bevel gear 17 is fixedly installed at the center of one end of the rotating rod 15 close to the No. 1 motor 18, and the third bevel gear 17 and the fourth bevel gear 19 are meshed.

[0024] By adopting the above technical solution, the No. 1 motor 18 can drive the rotating rod 15 to rotate.

[0025] A mounting plate 32 is fixedly installed on both sides of the crushing box 3, two mounting blocks 33 are slidably installed on the lower surface of the mounting plate 32, and both ends of the crushing roller 35 are rotatably set inside the mounting plate 32, a slider 34 is fixedly installed on the upper surface of the mounting plate 32, and the slider 34 is slidably set inside the mounting plate 32, a double-headed screw 322 is rotatably installed in the mounting plate 32, and the upper thread of the double-headed screw 322 is connected to the slider 34.

[0026] By adopting the above technical solution, the double-headed screw 322 can drive the crushing roller 35 to move.

[0027] A fixing plate 4 is fixedly installed on the side of the mounting plate 32, and a No. 3 motor 41 is fixedly installed on the side of the fixing plate 4. One end of the output shaft of the No. 3 motor 41 is rotatably set inside the fixing plate 4, and two No. 4 bevel gears 42 are fixedly installed on the outer surface of the output shaft of the No. 3 motor 41. A No. 1 bevel gear 323 is fixedly installed at the center of one end of the double-headed screw 322 near the No. 3 motor 41, and the No. 1 bevel gear 323 is meshed with the No. 4 bevel gear 42.

[0028] By adopting the above technical solution, the third motor 41 can drive the double-headed screw 322 to rotate.

[0029] A rotating rod 37 is rotatably installed in the mounting plate 32, and the two rotating rods 37 are driven by synchronous wheels and synchronous belts. Two No. 3 bevel gears 38 are slidingly sleeved on the outer surface of the rotating rod 37. No. 2 bevel gears 36 are fixedly installed at the centers of both ends of the crushing roller 35, and the No. 3 bevel gears 38 and the No. 2 bevel gears 36 are meshed with each other. A No. 2 motor 321 is fixedly installed on the side of the mounting plate 32 on the left side, and one end of the output shaft of the No. 2 motor 321 is fixedly connected to the synchronous wheel.

[0030] By adopting the above technical solution, the second motor 321 can drive the crushing roller 35 to rotate.

[0031] The sides of the third bevel gear 38 that are away from each other are fixedly installed with sleeves 39, and the sleeves 39 are rotatably set inside the mounting block 33. The inner ring of the sleeve 39 has two limit bars 391 fixedly installed on the outer surface, and the limit bars 391 are slidably set in the rotating rod 37.

[0032] By adopting the above technical solution, the third bevel gear 38 can slide along the rotating rod 37 .

[0033] Working principle: First, the No. 1 motor 18 drives the fourth bevel gear 19 to rotate, and the rotation of the fourth bevel gear 19 drives the third bevel gear 17 to rotate, and the rotation of the third bevel gear 17 drives the rotating rod 15 to rotate, and the rotation of the rotating rod 15 drives the first bevel gear 14 to rotate, and the rotation of the first bevel gear 14 drives the second bevel gear 16 to rotate, and the rotation of the second bevel gear 16 drives the screw rod 13 to rotate, and the rotation of the screw rod 13 drives the telescopic rod 11 to move, and the movement of the telescopic rod 11 drives the screening machine 2 to move, so that the upper surface of the screening machine 2 contacts the discharge pipe of the crushing box 3, and then turn on the No. 3 motor 41 to drive the No. 4 bevel gear 42 to rotate, and the rotation of the No. 4 bevel gear 42 drives the No. 1 bevel gear 323 to rotate, and the No. 1 bevel gear 323 drives the No. 1 bevel gear 324 to rotate. The rotation of the gear 323 drives the double-headed screw 322 to rotate, and the rotation of the double-headed screw 322 drives the slider 34 to move, and the movement of the slider 34 drives the mounting block 33 to move, and the movement of the mounting block 33 drives the crushing roller 35 to move, and then the rubber raw material is put into the crushing box 3, and the No. 2 motor 321 is turned on to drive the synchronous wheel to rotate, and the synchronous wheel drives the rotating rod 37 to rotate, and the rotation of the rotating rod 37 drives the No. 3 bevel gear 38 to rotate, and the rotation of the No. 3 bevel gear 38 drives the No. 2 bevel gear 36 to rotate, and the rotation of the No. 2 bevel gear 36 drives the crushing roller 35 to rotate, and the rubber raw material pieces are crushed by the crushing roller 35, and finally the crushed raw material falls into the screening machine 2, and the crushed rubber raw material is screened by the screening machine 2.

[0034] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A natural rubber raw material screening device, comprising a base (1) and a crushing box (3), characterized in that: Four telescopic rods (11) are slidably mounted inside the base (1), a spring (12) is fixedly mounted on the upper surface of the telescopic rod (11), and a screening machine (2) is fixedly mounted on one end of the spring (12) away from the telescopic rod (11); support rods (31) are fixedly mounted on both sides of the crushing box (3), and the bottom ends of the support rods (31) are in contact with the ground, the bottom end of the feed pipe of the crushing box (3) is in contact with the feed inlet of the screening machine (2), and two crushing rollers (35) are slidably mounted inside the crushing box (3).

2. The natural rubber raw material screening device according to claim 1, characterized in that: Four screw rods (13) are rotatably mounted in the base (1), and the screw rods (13) are threadedly connected with telescopic rods (11), and a second bevel gear (16) is fixedly mounted at the center of the bottom end of the screw rod (13).

3. The natural rubber raw material screening device according to claim 1, characterized in that: Two rotating rods (15) are rotatably mounted inside the base (1), and two first bevel gears (14) are fixedly mounted on the outer surface of the rotating rods (15), and the first bevel gears (14) are meshed with the second bevel gears (16).

4. The natural rubber raw material screening device according to claim 3, characterized in that: A first motor (18) is fixedly mounted on the side of the base (1), and one end of the output shaft of the first motor (18) is rotatably arranged inside the base (1), two fourth bevel gears (19) are fixedly mounted on the outer surface of the output shaft of the first motor (18), and a third bevel gear (17) is fixedly mounted at the center of one end of the rotating rod (15) close to the first motor (18), and the third bevel gear (17) and the fourth bevel gear (19) are meshed.

5. The natural rubber raw material screening device according to claim 1, characterized in that: A mounting plate (32) is fixedly mounted on both sides of the crushing box (3), two mounting blocks (33) are slidably mounted on the lower surface of the mounting plate (32), and both ends of the crushing roller (35) are rotatably mounted inside the mounting plate (32), a slider (34) is fixedly mounted on the upper surface of the mounting plate (32), and the slider (34) is slidably mounted inside the mounting plate (32), a double-headed screw (322) is rotatably mounted inside the mounting plate (32), and the upper thread of the double-headed screw (322) is connected to the slider (34).

6. The natural rubber raw material screening device according to claim 5, characterized in that: A fixing plate (4) is fixedly mounted on the side of the mounting plate (32), and a No. 3 motor (41) is fixedly mounted on the side of the fixing plate (4), and one end of the output shaft of the No. 3 motor (41) is rotatably arranged inside the fixing plate (4), and two No. 4 bevel gears (42) are fixedly mounted on the outer surface of the output shaft of the No. 3 motor (41), and a No. 1 bevel gear (323) is fixedly mounted at the center of one end of the double-headed screw (322) close to the No. 3 motor (41), and the No. 1 bevel gear (323) and the No. 4 bevel gear (42) are meshed.

7. The natural rubber raw material screening device according to claim 5, characterized in that: A rotating rod (37) is rotatably mounted inside the mounting plate (32), and the two rotating rods (37) are driven by a synchronous wheel and a synchronous belt. Two third bevel gears (38) are slidingly sleeved on the outer surface of the rotating rod (37). A second bevel gear (36) is fixedly mounted at the center of both ends of the crushing roller (35), and the third bevel gear (38) and the second bevel gear (36) are meshed. A second motor (321) is fixedly mounted on the side surface of the mounting plate (32) on the left side, and one end of the output shaft of the second motor (321) is fixedly connected to the synchronous wheel.

8. The natural rubber raw material screening device according to claim 7, characterized in that: The side surfaces of the third bevel gear (38) that are away from each other are fixedly mounted with sleeves (39), and the sleeves (39) are rotatably arranged inside the mounting block (33). The inner ring of the sleeve (39) has two limit bars (391) fixedly mounted on the outer surface, and the limit bars (391) are slidably arranged inside the rotating rod (37).

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