Rotatable plastic crusher

Abstract

The utility model discloses a rotatable plastic crusher which comprises a crushing cylinder and a motor, a semicircular bottom cover is hinged to the lower end of the crushing cylinder through a hinge shaft, sieve holes are densely distributed in the surface of the semicircular bottom cover, and the semicircular bottom cover is fixed to the lower surface of the crushing cylinder through a fixing device. Semicircular clamping grooves are formed in the inner side surfaces of the semicircular bottom cover and the crushing cylinder, shaft rods are clamped and positioned on the inner side surfaces of the semicircular clamping grooves, rotating blades are arranged on the outer surfaces of the shaft rods, the shaft rods and the rotating blades are installed in a clamping mode, the semicircular bottom cover capable of being opened in a turnover mode is arranged at the bottom of the shaft rods, and opening is convenient. And the shaft rod and the rotary blade are convenient to disassemble quickly and are convenient to replace and maintain.

Description

Technical Field

[0001] The utility model relates to the field of plastic crushers, and more specifically to a rotatable plastic crusher. Background Art

[0002] When recycling plastics, plastic products need to be crushed, and a plastic crusher is needed;

[0003] In the existing rotary blade type crusher, the rotary blade has a large wear and tear during crushing, and is in direct contact with the plastic during crushing, making it easy to be damaged. The rotary blade is installed inside the crusher, and the body of the crusher is mostly an integrated structure, which makes the installation compact and complicated. It is not convenient to replace, and it is not easy to disassemble and replace, and it is inconvenient to maintain. Utility Model Content

[0004] In view of the problems existing in the prior art, the purpose of the utility model is to provide a rotatable plastic crusher, which adopts a clamping installation shaft rod and a rotating blade, and a semicircular bottom cover that can be flipped open is arranged at the bottom, which is easy to open and quickly disassemble the shaft rod and the rotating blade, and is easy to replace and maintain.

[0005] To solve the above problems, the utility model adopts the following technical solutions.

[0006] A rotatable plastic crusher comprises a crushing cylinder and a motor. The lower end of the crushing cylinder is hinged with a semicircular bottom cover through a hinge shaft. The surface of the semicircular bottom cover is densely covered with sieve holes. The semicircular bottom cover is fixed to the lower surface of the crushing cylinder through a fixing device. Semicircular clamping grooves are provided on the inner surfaces of the semicircular bottom cover and the crushing cylinder. A shaft rod is clamped and positioned on the inner surface of the semicircular clamping groove. A rotating blade is provided on the outer surface of the shaft rod. The shaft rod and the rotating blade are installed in a clamping manner. A semicircular bottom cover that can be flipped open is provided at the bottom, which is easy to open and quick to disassemble the shaft rod and the rotating blade, and is easy to replace and maintain.

[0007] Furthermore, the fixing device includes a boss and a first slot. The boss is arranged at both ends of one side of the grinding cylinder. The first slot is opened on the surface of the boss. A screw is hinged on the inner surface of the first slot. A nut is connected to the lower end of the screw through a thread. A second slot is opened at the outer end of the semicircular bottom cover. The screw is inserted into the inner surface of the second slot to facilitate flip-locking and fixing.

[0008] Furthermore, the nut is locked and fixed on the lower surface of the second slot of the semicircular bottom cover, which is convenient for locking and fixing.

[0009] Furthermore, hinged convex shafts are arranged on both sides of the upper end of the screw rod, and the hinged convex shafts are hinged to the inner surface of the convex seat to facilitate the screw rod to flip.

[0010] Furthermore, the outer surfaces of both ends of the shaft rod are connected with convex sleeves through bearings, and the convex sleeves are clamped on the inner surface of the semicircular clamping groove, and the bearings can support the shaft rod to rotate.

[0011] Furthermore, the outer surfaces of the driving shaft and the shaft of the motor are provided with pulleys, and a transmission belt is installed outside the pulley to facilitate transmission rotation.

[0012] Furthermore, an inclined guide plate is fixed on the inner surface of the upper end of the pulverizing cylinder, which facilitates the material to be guided along the slope of the inclined guide plate during feeding.

[0013] Compared with the prior art, the advantages of the present invention are:

[0014] (1) The shaft rod and the rotating blade are installed by clamping, and a semicircular bottom cover that can be flipped open is set at the bottom, which is easy to open and quickly disassemble the shaft rod and the rotating blade, making it easy to replace and maintain.

[0015] (2) The fixing device includes a boss and a first slot. The boss is arranged at both ends of one side of the grinding cylinder. The first slot is formed on the surface of the boss. A screw is hinged on the inner surface of the first slot. A nut is connected to the lower end of the screw through a thread. A second slot is formed at the outer end of the semicircular bottom cover. The screw is inserted into the inner surface of the second slot to facilitate flipping and locking.

[0016] (3) The outer surfaces of both ends of the shaft are connected with convex sleeves through bearings. The convex sleeves are clamped on the inner surface of the semicircular clamping groove, and the bearings can support the shaft to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a top view of the overall structure of the utility model;

[0019] Figure 3 It is an enlarged view of point A of the present utility model.

[0020] Description of the numbers in the figure:

[0021] 1 crushing cylinder, 100 motor, 2 semicircular bottom cover, 20 fixing device, 3 semicircular clamping groove, 5 shaft rod, 5 rotating blade, 200 convex seat, 201 first slot, 202 screw rod, 203 hinged convex shaft, 204 nut, 205 second slot, 40 convex sleeve, 101 pulley, 102 transmission belt, 103 inclined guide plate. DETAILED DESCRIPTION

[0022] 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.

[0023] Example 1

[0024] See also Figure 1-3 A rotatable plastic crusher comprises a crushing cylinder 1 and a motor 100. A semicircular bottom cover 2 is hingedly connected to the lower end of the crushing cylinder 1 through a hinge shaft. The surface of the semicircular bottom cover 2 is densely covered with sieve holes (when crushing plastic, the plastic crushed into particles can leak out from the sieve holes, which is convenient for the sieved material to be led out). The semicircular bottom cover 2 is fixed to the lower surface of the crushing cylinder 1 through a fixing device 20. The inner surfaces of the semicircular bottom cover 2 and the crushing cylinder 1 are provided with a semicircular clamping groove 3. The inner surface of the semicircular clamping groove 3 is clamped and positioned with a shaft 4. The outer surface of the shaft 4 is provided with a rotating blade 5.

[0025] The outer surfaces of both ends of the shaft 4 are connected with convex sleeves 40 through bearings. When installing, the convex sleeves 40 are clamped on the inner surface of the semicircular clamping groove 3, and the semicircular bottom cover 2 is clamped and fixed, which is convenient for installation. When disassembling, the semicircular bottom cover 2 can be turned down, and the shaft 4 and the rotating blade 5 can be quickly removed, which is convenient for replacement;

[0026] When in use, an inclined guide plate 103 is fixed to the inner surface of the upper end of the crushing barrel 1, which is convenient for guiding the material during feeding. The driving shaft of the motor 100 and the outer surface of the shaft rod 4 are provided with a pulley 101, and a transmission belt 102 is installed outside the pulley 101. When the motor 100 is driven, the shaft rod 4 can be driven to rotate through the transmission belt 102, which is convenient for driving the rotating blade 5 to rotate and crush.

[0027] Example 2

[0028] See also Figure 1-3 A rotatable plastic crusher comprises a crushing cylinder 1 and a motor 100. A semicircular bottom cover 2 is hingedly connected to the lower end of the crushing cylinder 1 through a hinge shaft. The surface of the semicircular bottom cover 2 is densely covered with sieve holes. The semicircular bottom cover 2 is fixed to the lower surface of the crushing cylinder 1 through a fixing device 20. Semicircular clamping grooves 3 are provided on the inner surfaces of the semicircular bottom cover 2 and the crushing cylinder 1. A shaft rod 4 is clamped and positioned on the inner surface of the semicircular clamping groove 3. A rotating blade 5 is provided on the outer surface of the shaft rod 4.

[0029] The fixing device 20 includes a convex seat 200 and a first slot 201. The convex seat 200 is arranged at both ends of one side of the grinding cylinder 1. The first slot 201 is provided on the surface of the convex seat 200. A screw rod 202 is hingedly connected to the inner surface of the first slot 201. Both sides of the upper end of the screw rod 202 are provided with hinged convex shafts 203. The hinged convex shafts 203 are hingedly connected to the inner surface of the convex seat 200 for easy hinged flipping. The lower end of the screw rod 202 is connected to a nut 204 through a thread. The outer end of the semicircular bottom cover 2 is provided with a second slot 205.

[0030] When locking the semicircular bottom cover 2, the screw rod 202 can be turned down, and the screw rod 202 can be stuck into the inner surface of the second slot 205, and the nut 204 can be locked and fixed to the lower surface of the second slot 205 of the semicircular bottom cover 2, so as to fix the semicircular bottom cover 2;

[0031] When the semicircular bottom cover 2 is opened to disassemble the shaft rod 4, the nut 204 can be loosened, the screw rod 202 can be turned up to release it, and the semicircular bottom cover 2 can be turned down for easy opening.

[0032] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A rotatable plastic crusher, comprising a crushing drum (1) and a motor (100), characterized in that: The lower end of the pulverizing cylinder (1) is hinged with a semicircular bottom cover (2) via a hinge shaft, the surface of the semicircular bottom cover (2) is densely covered with sieve holes, the semicircular bottom cover (2) is fixed to the lower surface of the pulverizing cylinder (1) via a fixing device (20), the inner surfaces of the semicircular bottom cover (2) and the pulverizing cylinder (1) are provided with a semicircular clamping groove (3), the inner surface of the semicircular clamping groove (3) is clamped and positioned with a shaft rod (4), and the outer surface of the shaft rod (4) is provided with a rotating blade (5).

2. A rotatable plastic crusher according to claim 1, characterized in that: The fixing device (20) comprises a convex seat (200) and a first slot (201); the convex seat (200) is arranged at both ends of one side of the pulverizing cylinder (1); the first slot (201) is provided on the surface of the convex seat (200); a screw rod (202) is hingedly connected to the inner surface of the first slot (201); a nut (204) is connected to the lower end of the screw rod (202) via a thread; a second slot (205) is provided at the outer end of the semicircular bottom cover (2); and the screw rod (202) is inserted into the inner surface of the second slot (205).

3. A rotatable plastic crusher according to claim 2, characterized in that: The nut (204) is locked and fixed on the lower surface of the second slot (205) of the semicircular bottom cover (2).

4. A rotatable plastic crusher according to claim 2, characterized in that: Hinge convex shafts (203) are arranged on both sides of the upper end of the screw rod (202), and the hinge convex shafts (203) are hinged to the inner surface of the convex seat (200).

5. The rotatable plastic crusher according to claim 1, characterized in that: The outer surfaces of both ends of the shaft rod (4) are connected to convex shaft sleeves (40) via bearings, and the convex shaft sleeves (40) are clamped on the inner surface of the semicircular clamping groove (3).

6. A rotatable plastic crusher according to claim 1, characterized in that: The outer surfaces of the driving shaft and the shaft rod (4) of the motor (100) are provided with pulleys (101), and a transmission belt (102) is installed outside the pulley (101).

7. The rotatable plastic crusher according to claim 1, characterized in that: An inclined guide plate (103) is fixed to the inner surface of the upper end of the pulverizing cylinder (1).

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