Plastic crusher with crushing blades capable of being replaced quickly

Abstract

The utility model relates to the technical field of crushing blades, in particular to a plastic crusher with a quickly replaceable crushing blade, which comprises a shell, the shell comprises a machine body, the inner side of the machine body is movably connected with a crushing roller, the surface of the machine body is fixedly provided with a first motor, and the crushing roller is fixedly connected with the output end of the first motor. Through the matching effect of the connecting block and the positioning groove, the crushing cutter can be positioned during installation, the accuracy of the installation of the crushing cutter can be guaranteed, the inserting rod can move on the inner side of the cutter holder and can be inserted into and separated from the inserting groove, and then the installation block can be fixed or not fixed; and therefore, when the crushing cutters are abraded or damaged in the use process, the crushing cutters can be rapidly and independently replaced, the replacement efficiency can be guaranteed, the downtime can be shortened, and meanwhile replacement is more convenient and faster.

Description

Technical Field

[0001] The utility model relates to the technical field of crushing blades, in particular to a plastic crusher with a quick-replaceable crushing blade. Background Art

[0002] A plastic shredder is a device used to crush waste plastics and other plastic products into granules. It can break large, irregularly shaped waste plastics into small pieces for subsequent recycling and reuse. The shredder blades are a key component of the plastic shredder, directly involved in the plastic shredding process and a key factor in determining the shredding effect. Through the cutting, tearing, and grinding actions of the blades, the plastic is pulverized into granules, which facilitate subsequent recycling and reduce environmental pollution. Recycling waste plastics also reduces raw material consumption and production costs.

[0003] In the prior art, when a plastic crusher is used, the blade of the plastic crusher will wear out or be damaged after long-term use. The blade is generally fixed to the crushing roller by bolts. Since the bolt fixing method requires the use of tools to screw, when the blade is worn or damaged, multiple bolts need to be screwed, which makes the replacement of the blade inefficient and inconvenient. Therefore, in order to solve the above problems, a plastic crusher with a quick-replacement crushing blade is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a plastic crusher with a quick-replacement crushing blade, so as to solve the problem in the prior art mentioned in the above background technology that the bolt fixing method needs to be screwed with the help of a tool, so that when the blade is worn or damaged, multiple bolts need to be screwed, resulting in poor efficiency and inconvenience in replacing the blade.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a plastic crusher with a quick-replaceable crushing blade, comprising a housing, the housing comprising a body, a crushing roller movably connected to the inner side of the body, a first motor fixedly mounted on the surface of the body, the crushing roller and the output end of the first motor fixedly connected, a knife seat provided on the surface of the crushing roller, a crushing knife mounted on the inner side of the knife seat;

[0006] A replacement mechanism is provided on the inner side of the knife seat, and the replacement mechanism includes a mounting block, the mounting block is fixedly connected to the surface of the crushing knife, the surface of the mounting block is fixedly connected to a connecting block, the mounting block is movable on the inner side of the knife seat, a positioning groove is provided on the inner wall of the knife seat, an insertion rod is movably connected to the inner side of the knife seat, the surface of the insertion rod is fixedly connected to a pull rod, the surface of the mounting block is provided with a slot, and the surface of the pull rod is fixedly connected to a spring.

[0007] Preferably, the connecting blocks are fixedly connected to the surface of the mounting block in two groups, the positioning grooves are opened in the inner wall of the knife seat in two groups, and one end of the connecting block away from the mounting block is movably connected to the positioning groove.

[0008] Preferably, the insert rods are movably connected to the inner side of the knife seat in four groups, two groups of the insert rods are correspondingly connected to the pull rods, one end of the spring is fixedly connected to the knife seat, and the other end of the spring is fixedly connected to the pull rod.

[0009] Preferably, an adjustment mechanism is provided on the inner side of the machine body, and the adjustment mechanism includes a rotating rod, which is movably connected to the inner side of the machine body, a first gear is fixedly connected to the surface of the rotating rod, a second motor is fixedly installed on the surface of the machine body, a connecting ring is fixedly connected to the surface of the first gear, a movable groove is provided on the inner side of the crushing roller, a fixed block is fixedly connected to the surface of the crushing roller, a rotating rod is movably connected to the inner side of the fixed block, and a second gear is fixedly connected to the surface of the rotating rod.

[0010] Preferably, one end of the first gear away from the rotating rod is fixedly connected to the connecting ring, and one end of the rotating rod away from the first gear is fixedly connected to the output end of the second motor.

[0011] Preferably, one end of the connecting ring away from the first gear moves inside the movable groove, and the knife seat and the rotating rod are fixedly connected.

[0012] Compared with the prior art, the beneficial effects of the present invention are:

[0013] 1. The installation of the crushing knife can be positioned through the cooperation of the connecting block and the positioning slot, which can ensure the accuracy of the installation of the crushing knife. The insertion rod can be moved on the inner side of the knife seat to be inserted into and separated from the slot, thereby realizing the fixation and cancellation of the mounting block, thereby facilitating the installation and removal of the crushing knife. When the crushing knife is worn or damaged during use, it is convenient to quickly replace the crushing knife separately, which can ensure the efficiency of replacement, reduce downtime, and make replacement more convenient.

[0014] 2. The rotation of the rotating rod can drive the first gear to rotate, and then the second gear can rotate under the action of the first gear, so that the rotating rod can drive the knife seat to rotate, and the angle of the crushing knife can be adjusted. The crushing knife can be flexibly adjusted according to the characteristics of different plastics, and the crushing knife can better cut into the plastic, which can improve the effect and flexibility of plastic crushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic front cross-sectional view of the structure of the present utility model;

[0016] Figure 2 This is an exploded side view of the structure of the crushing roller and crushing knife of the utility model;

[0017] Figure 3 This is a schematic diagram of a top view and a cross-sectional explosion of the structure of the installation block and the insertion rod of the utility model;

[0018] Figure 4 This is a front exploded schematic diagram of the structure of the rotating rod and the first gear of the utility model.

[0019] In the figure: 1. Machine body; 11. Crushing roller; 12. First motor; 13. Knife holder; 14. Crushing knife; 2. Mounting block; 21. Connecting block; 22. Positioning slot; 23. Insert rod; 24. Pull rod; 25. Slot; 26. Spring; 3. Rotating rod; 31. First gear; 32. Second motor; 33. Connecting ring; 34. Movable slot; 35. Fixed block; 36. Rotating rod; 37. Second gear. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1-4 , an embodiment provided by the utility model:

[0022] The first motor 12 and the second motor 32 used in the present application are products that can be directly purchased on the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0023] A plastic pulverizer with a quick-replaceable crushing blade includes a housing, the housing including a body 1, a crushing roller 11 movably connected to the inner side of the body 1, a first motor 12 fixedly mounted on the surface of the body 1, the crushing roller 11 and the output end of the first motor 12 fixedly connected, a knife seat 13 provided on the surface of the crushing roller 11, a crushing knife 14 mounted on the inner side of the knife seat 13, the operation of the first motor 12 can drive the crushing roller 11 to rotate, and the knife seat 13, under the action of the crushing roller 11, drives the crushing knife 14 to rotate, so that the crushing knife 14 can crush the plastic;

[0024] A replacement mechanism is provided on the inner side of the knife seat 13, and the replacement mechanism includes a mounting block 2, which is fixedly connected to the surface of the crushing knife 14, and a connecting block 21 is fixedly connected to the surface of the mounting block 2. The mounting block 2 is movable on the inner side of the knife seat 13, and a positioning groove 22 is provided on the inner wall of the knife seat 13. The inner side of the knife seat 13 is movably connected with an insertion rod 23, and the surface of the insertion rod 23 is fixedly connected with a pull rod 24. A slot 25 is provided on the surface of the mounting block 2, and the surface of the pull rod 24 is fixedly connected with a spring 26. By moving the insertion rod 23 on the inner side of the knife seat 13, the insertion and separation of the insertion rod 23 and the slot 25 can be realized, and then the fixing and cancellation of the mounting block 2 can be realized, so that when the crushing knife 14 is damaged during the crushing process, the damaged crushing knife 14 can be replaced separately, which is beneficial to saving costs.

[0025] Furthermore, the connecting blocks 21 are fixedly connected to the surface of the mounting block 2 in two groups, and the positioning grooves 22 are opened in the inner wall of the knife seat 13 in two groups. The end of the connecting block 21 away from the mounting block 2 is movably connected to the positioning groove 22. Through the cooperation of the connecting block 21 and the positioning groove 22, the installation of the mounting block 2 in the knife seat 13 can be positioned, and the installation of the crushing knife 14 can be avoided from being misaligned, thereby achieving a better installation effect.

[0026] Furthermore, the insertion rods 23 are movably connected to the inner side of the knife seat 13 in four groups, two groups of insertion rods 23 are correspondingly connected to the pull rods 24, one end of the spring 26 is fixedly connected to the knife seat 13, and the other end of the spring 26 is fixedly connected to the pull rod 24. Through the setting of the spring 26, the pull rod 24 can be reset, and then the insertion rod 23 is reset and can be inserted into the slot 25, making it more convenient to install and fix the crushing knife 14.

[0027] Furthermore, an adjustment mechanism is provided on the inner side of the body 1, which includes a rotating rod 3, which is movably connected to the inner side of the body 1, a first gear 31 being fixedly connected to the surface of the rotating rod 3, a second motor 32 being fixedly installed on the surface of the body 1, a connecting ring 33 being fixedly connected to the surface of the first gear 31, a movable groove 34 being provided on the inner side of the crushing roller 11, a fixed block 35 being fixedly connected to the surface of the crushing roller 11, a rotating rod 36 being movably connected to the inner side of the fixed block 35, and a second gear 37 being fixedly connected to the surface of the rotating rod 36. Through the setting of the second gear 37, the rotating rod 36 can be driven to rotate during the rotation of the first gear 31, and then the knife seat 13 drives the crushing knife 14 to move, so that the angle of the crushing knife 14 can be adjusted, thereby facilitating the crushing knife 14 to cut different plastics, and improving the flexibility of using the crushing knife 14.

[0028] Furthermore, one end of the first gear 31 away from the rotating rod 3 is fixedly connected to the connecting ring 33, and one end of the rotating rod 3 away from the first gear 31 is fixedly connected to the output end of the second motor 32. By rotating the first gear 31, the second gear 37 can be driven to rotate accordingly, thereby facilitating the adjustment of the angle of the crushing knife 14.

[0029] Furthermore, one end of the connecting ring 33 away from the first gear 31 moves on the inner side of the movable groove 34, and the knife seat 13 and the rotating rod 36 are fixedly connected. Through the cooperation between the connecting ring 33 and the movable groove 34, when the first gear 31 rotates, the connecting ring 33 rotates accordingly and can move on the inner side of the movable groove 34, thereby ensuring the stability of the rotation of the first gear 31 and facilitating the first gear 31 to better transmit the second gear 37.

[0030] Working principle: When in use, pull the pull rod 24, and the insertion rod 23 will move on the inner side of the knife seat 13 under the action of the pull rod 24 and separate from the slot 25. At this time, the spring 26 is in a stretched state, which can realize the release of the fixing of the mounting block 2, so that the crushing knife 14 can be removed, and the crushing knife 14 to be replaced is placed in the knife seat 13, so that the mounting block 2 is inserted into the inner side of the knife seat 13, and the connecting block 21 enters the positioning groove 22, and then the pull rod 24 is released. The pull rod 24 will be reset under the rebound action of the spring 26, and then the insertion rod 23 is reset and plugged into the slot 25, which can realize the fixation of the mounting block 2 and complete the replacement of the crushing knife 14;

[0031] The second motor 32 is electrically connected to an external power supply. The staff starts the second motor 32 by pressing the switch. The second motor 32 drives the rotating rod 3 to rotate. The first gear 31 rotates accordingly under the action of the rotating rod 3. At the same time, the connecting ring 33 moves inside the movable groove 34. The rotation of the first gear 31 can transmit the power to the second gear 37, so that the rotating rod 36 drives the knife seat 13 to rotate accordingly under the action of the second gear 37, thereby enabling the angle of the crushing knife 14 to be adjusted.

[0032] The above are only preferred embodiments of the present invention and do not constitute any form of limitation to the present invention. Any ordinary technician in this industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with this profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the scope of protection of the technical solution of the present invention.

Claims

1. A plastic crusher with a quick-replaceable crushing blade, comprising a housing, the housing comprising a body (1), a crushing roller (11) movably connected to the inner side of the body (1), a first motor (12) fixedly mounted on the surface of the body (1), the crushing roller (11) and an output end of the first motor (12) fixedly connected, a knife seat (13) provided on the surface of the crushing roller (11), a crushing knife (14) mounted on the inner side of the knife seat (13); It is characterized by: A replacement mechanism is provided on the inner side of the knife seat (13), and the replacement mechanism includes a mounting block (2), the mounting block (2) is fixedly connected to the surface of the crushing knife (14), the surface of the mounting block (2) is fixedly connected to a connecting block (21), the mounting block (2) is movable on the inner side of the knife seat (13), the inner wall of the knife seat (13) is provided with a positioning groove (22), the inner side of the knife seat (13) is movably connected to an insertion rod (23), the surface of the insertion rod (23) is fixedly connected to a pull rod (24), the surface of the mounting block (2) is provided with a slot (25), and the surface of the pull rod (24) is fixedly connected to a spring (26).

2. A plastic crusher with a quick-replaceable crushing blade according to claim 1, characterized in that: The connecting blocks (21) are fixedly connected to the surface of the mounting block (2) in two groups, the positioning grooves (22) are opened in the inner wall of the knife seat (13) in two groups, and one end of the connecting block (21) away from the mounting block (2) is movably connected to the positioning groove (22).

3. The plastic crusher with a quick-replaceable crushing blade according to claim 1, characterized in that: The insert rods (23) are movably connected to the inner side of the knife seat (13) in four groups, two groups of the insert rods (23) and the pull rods (24) are correspondingly connected, one end of the spring (26) is fixedly connected to the knife seat (13), and the other end of the spring (26) is fixedly connected to the pull rod (24).

4. The plastic crusher with a quick-replaceable crushing blade according to claim 1, characterized in that: An adjusting mechanism is provided on the inner side of the machine body (1), and the adjusting mechanism comprises a rotating rod (3), the rotating rod (3) is movably connected to the inner side of the machine body (1), a first gear (31) is fixedly connected to the surface of the rotating rod (3), a second motor (32) is fixedly installed on the surface of the machine body (1), a connecting ring (33) is fixedly connected to the surface of the first gear (31), a movable groove (34) is provided on the inner side of the crushing roller (11), a fixed block (35) is fixedly connected to the surface of the crushing roller (11), a rotating rod (36) is movably connected to the inner side of the fixed block (35), and a second gear (37) is fixedly connected to the surface of the rotating rod (36).

5. The plastic crusher with a quick-replaceable crushing blade according to claim 4, characterized in that: One end of the first gear (31) away from the rotating rod (3) is fixedly connected to the connecting ring (33), and one end of the rotating rod (3) away from the first gear (31) is fixedly connected to the output end of the second motor (32).

6. The plastic crusher with a quick-replaceable crushing blade according to claim 4, characterized in that: One end of the connecting ring (33) away from the first gear (31) moves inside the movable groove (34), and the knife seat (13) and the rotating rod (36) are fixedly connected.

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