Coarse-fine complementary blade assembly of plastic crusher

Abstract

The utility model relates to the technical field of plastic crushers, in particular to a thickness complementation blade assembly of a plastic crusher, which comprises a cutter body, the cutter body comprises a rotating shaft, the surface of the rotating shaft is fixedly connected with a crushing roller, the surface of the crushing roller is provided with a cutter head, and the surface of the cutter head is provided with a crushing cutter. A first inserting rod moves on the inner side of a first movable groove, inserting and separating of the first inserting rod and a first inserting groove can be achieved, then fixing and fixing cancelling of a connecting block can be achieved, and therefore a smashing cutter can be conveniently mounted and dismounted, when the smashing cutter is damaged, the smashing cutter can be conveniently replaced, and the smashing efficiency is improved. According to the plastic crushing device, the replacement efficiency can be improved, replacement is more convenient, meanwhile, through the arrangement of the mounting groove and the arrangement of the connecting block, mounting of the crushing cutter can be positioned, mounting of the crushing cutter can be more accurate and stable, and then the crushing cutter can crush plastic better.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic crushers, in particular to a coarse and fine complementary blade assembly for a plastic crusher. Background Art

[0002] A plastic pulverizer is a mechanical device specially designed for crushing various plastics and rubber products. It can process a variety of materials including plastic profiles, tubes, rods, wires, films, and waste rubber products. The working principle of a plastic pulverizer is mainly to drive the main shaft to rotate through a motor and a reduction device. A fixed blade is installed on the shaft, and the material is crushed by using the torque generated by the shaft and the cutting ability of the tool. The complementary blade assembly of a plastic pulverizer refers to a set of blades with complementary designs, used to crush plastic materials, usually including a fixed blade and a moving blade. The fixed blade is fixed inside the pulverizer cavity, usually in a ring or cross shape, and plays the role of fixing and guiding the plastic material. The moving blade is fixed on the rotating shaft, usually in a hammer shape, circular or other shapes, and is used to cut and crush plastic materials. The complementary blade design can make the crushing process more efficient and reduce energy consumption.

[0003] In the prior art, when plastic is crushed by a plastic crusher, the crushing blade is installed on the cutter disc and is usually fixed by bolts. Since the crushing blade is prone to wear or damage during the long-term crushing process, when replacing the worn or damaged crushing blade, it is necessary to repeatedly twist the bolts to achieve disassembly and assembly, which makes the replacement of the crushing blade inconvenient and is not conducive to improving the replacement efficiency. Therefore, in order to solve the above problem, a coarse and fine complementary blade assembly for a plastic crusher is proposed. Utility Model Content

[0004] The purpose of the present utility model is to provide a coarse and fine complementary blade assembly for a plastic crusher, so as to solve the problem in the prior art mentioned in the above background technology that the crushing blade is easily worn or damaged during the long-term crushing process, so that when replacing the worn or damaged crushing blade, it is necessary to repeatedly twist the bolts to achieve disassembly and assembly, which makes the replacement of the crushing blade inconvenient and is not conducive to improving the replacement efficiency.

[0005] To achieve the above-mentioned object, the utility model provides the following technical solution: a coarse and fine complementary blade assembly for a plastic crusher, comprising a cutter body, the cutter body comprising a rotating shaft, a crushing roller fixedly connected to the surface of the rotating shaft, a cutter disc provided on the surface of the crushing roller, and a crushing blade mounted on the surface of the cutter disc;

[0006] The surface of the cutter disc is provided with a mounting mechanism, and the mounting mechanism includes a mounting block, the mounting block is fixedly connected to the surface of the cutter disc, the inner side of the mounting block is provided with a mounting groove, the surface of the crushing knife is fixedly connected with a connecting block, the connecting block is movable on the inner side of the mounting groove, the inner side of the mounting block is provided with a first movable groove, the inner wall of the first movable groove is fixedly connected with a fixing rod, the surface of the fixing rod is movably connected with a first insertion rod, the inner side of the connecting block is provided with a first slot, and the surface of the first insertion rod is fixedly connected with a first spring.

[0007] Preferably, the mounting grooves are formed into two groups and are opened on the inner side of the mounting block, the connecting blocks are formed into two groups and are fixedly connected to the crushing knife, and the first insertion rod is movable on the inner side of the first movable groove.

[0008] Preferably, one end of the first spring is fixedly connected to the first movable groove, and the other end of the first spring is fixedly connected to the first insertion rod.

[0009] Preferably, the surface of the crushing roller is provided with an adjustment mechanism, and the adjustment mechanism includes a positioning block, the positioning block is fixedly connected to the surface of the crushing roller, the inner surface of the cutter disc is provided with a positioning groove, the inner side of the crushing roller is provided with a second movable groove, the inner side of the second movable groove is movably connected with a pull rod, the surface of the pull rod is fixedly connected with a second insertion rod, the inner wall of the positioning groove is provided with a second slot, and the surface of the pull rod is fixedly connected with a second spring.

[0010] Preferably, the positioning grooves are provided in two groups on the inner surface of the cutter disc, and the second insertion rod is movable inside the second movable groove and the positioning block.

[0011] Preferably, one end of the second spring is fixedly connected to the second movable groove, and the other end of the second spring is fixedly connected to the pull rod.

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

[0013] 1. The first insertion rod is movable inside the first movable groove, so that the first insertion rod and the first slot can be engaged and separated, and the connection block can be fixed and unfixed, thereby facilitating the installation and removal of the crushing knife. When the crushing knife is damaged, it is easy to replace the crushing knife, which can improve the replacement efficiency and make replacement more convenient. At the same time, by opening the installation groove and setting the connection block, the installation of the crushing knife can be positioned, so that the installation of the crushing knife can be more accurate and stable, thereby facilitating the crushing knife to better crush the plastic.

[0014] 2. Through the cooperation of the positioning block and the positioning slot, the movement of the cutter disc can be positioned when the cutter disc is installed, which can avoid dislocation during installation. The pull rod moves on the inner side of the second movable slot, so that the second plug rod can be inserted into and separated from the second slot, thereby fixing the position of the cutter disc or moving the cutter disc, so that the spacing of the crushing knives can be adjusted, and different numbers of crushing knives can be installed, so that the crushing knives can crush the materials more flexibly. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic front 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 cutter disc of the utility model;

[0017] Figure 3 This is a side sectional exploded schematic diagram of the structure of the positioning block and the second insertion rod of the utility model;

[0018] Figure 4 This is a schematic side sectional view of the structure of the cutter head and positioning groove of the utility model;

[0019] Figure 5 This is a schematic diagram of a top view and a cross-section of the structure of the mounting groove and the first insertion rod of the utility model;

[0020] Figure 6 For this utility model Figure 5 Schematic diagram of the enlarged structure at point A in the middle.

[0021] In the figure: 1. rotating shaft; 11. crushing roller; 12. cutter head; 13. crushing knife; 2. mounting block; 21. mounting slot; 22. connecting block; 23. first movable slot; 24. fixing rod; 25. first insertion rod; 26. first slot; 27. first spring; 3. positioning block; 31. positioning slot; 32. second movable slot; 33. pull rod; 34. second insertion rod; 35. second slot; 36. second spring. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-6 , an embodiment provided by the utility model:

[0024] A plastic crusher with complementary coarse and fine blades comprises a blade body, the blade body comprising a rotating shaft 1, a crushing roller 11 being fixedly connected to the surface of the rotating shaft 1, a cutter disc 12 being provided on the surface of the crushing roller 11, and a crushing blade 13 being mounted on the surface of the cutter disc 12. The crushing roller 11 rotates, so that the cutter disc 12 can drive the crushing blade 13 to rotate accordingly, thereby enabling the crushing blade 13 to crush and cut the plastic;

[0025] The surface of the cutter disc 12 is provided with a mounting mechanism, which includes a mounting block 2, which is fixedly connected to the surface of the cutter disc 12, and a mounting groove 21 is provided on the inner side of the mounting block 2. The surface of the crushing knife 13 is fixedly connected to a connecting block 22, and the connecting block 22 is movable on the inner side of the mounting groove 21. A first movable groove 23 is provided on the inner side of the mounting block 2, and a fixing rod 24 is fixedly connected to the inner wall of the first movable groove 23. The surface of the fixing rod 24 is movably connected to a first insertion rod 25. A first slot 26 is provided on the inner side of the connecting block 22, and a first spring 27 is fixedly connected to the surface of the first insertion rod 25. The first insertion rod 25 is movable and engaged with and separated from the first slot 26, so that the connecting block 22 can be fixed and unfixed, so that when the crushing knife 13 is worn or damaged, it is convenient to replace it, which can ensure the quality and effect of the crushing knife 13 on the plastic.

[0026] Furthermore, the mounting grooves 21 are formed into two groups on the inner side of the mounting block 2, the connecting blocks 22 are formed into two groups and fixedly connected to the crushing blade 13, and the first insertion rod 25 is movable on the inner side of the first movable groove 23. Through the cooperation between the mounting grooves 21 and the connecting blocks 22, the installation of the crushing blade 13 can be positioned, which can reduce the difficulty of installation and make the installation of the crushing blade 13 more accurate.

[0027] Furthermore, one end of the first spring 27 is fixedly connected to the first movable groove 23, and the other end of the first spring 27 is fixedly connected to the first insertion rod 25. Through the setting of the first spring 27, the first insertion rod 25 can be reset, and then the first insertion rod 25 and the first slot 26 can be inserted into each other, and the connecting block 22 can be fixed, which facilitates the rapid installation of the crushing knife 13.

[0028] Furthermore, the surface of the crushing roller 11 is provided with an adjustment mechanism, which includes a positioning block 3, which is fixedly connected to the surface of the crushing roller 11, a positioning groove 31 being provided on the inner surface of the cutter disc 12, and a second movable groove 32 being provided on the inner side of the crushing roller 11. A pull rod 33 is movably connected to the inner side of the second movable groove 32, and a second insertion rod 34 is fixedly connected to the surface of the pull rod 33. A second slot 35 is provided on the inner wall of the positioning groove 31, and a second spring 36 is fixedly connected to the surface of the pull rod 33. The second insertion rod 34 is movable on the inner side of the second movable groove 32 and can be engaged with and separated from the second slot 35, so that the position of the cutter disc 12 can be fixed and moved, which is convenient for adjusting the spacing between the crushing knives 13 and at the same time, different numbers of crushing knives 13 can be installed, so that the crushing knives 13 are more flexible in crushing the plastic.

[0029] Furthermore, the positioning grooves 31 are formed in two groups on the inner surface of the cutter disc 12, and the second insertion rod 34 is movable inside the second movable groove 32 and the positioning block 3. Through the cooperation of the positioning block 3 and the positioning groove 31, when the cutter disc 12 is installed on the crushing roller 11, the movement of the cutter disc 12 can be limited, which can avoid the cutter disc 12 from being offset when moving, and can ensure the installation quality of the crushing knife 13.

[0030] Furthermore, one end of the second spring 36 is fixedly connected to the second movable groove 32, and the other end of the second spring 36 is fixedly connected to the pull rod 33. By setting the second spring 36, the pull rod 33 can be reset, and then the second insertion rod 34 will be reset under the action of the pull rod 33 and inserted into the second slot 35, which can achieve the fixation of the cutter disc 12, thereby facilitating the fixation of the cutter disc 12 and the crushing knife 13 at the required position.

[0031] Working principle: When in use, by pulling the first insertion rod 25, the first insertion rod 25 is movable inside the first movable groove 23 and on the surface of the fixed rod 24, and then the first insertion rod 25 and the first slot 26 are separated. At this time, the first spring 27 is in a contracted state, thereby releasing the fixation of the connecting block 22, and then the connecting block 22 is pulled out from the mounting groove 21, and the crushing knife 13 can be removed; when the crushing knife 13 is replaced, the connecting block 22 is inserted into the inner side of the mounting groove 21, and then the first insertion rod 25 is released. The first insertion rod 25 will be reset under the rebound action of the first spring 27, and then the first insertion rod 25 and the first slot 26 are engaged, which can fix the connecting block 22 and complete the installation of the crushing knife 13;

[0032] By toggling the pull rod 33, the pull rod 33 is moved inside the second movable groove 32, and the second insertion rod 34 is moved under the action of the pull rod 33 and separated from the second slot 35. At this time, the second spring 36 is in a contracted state, thereby releasing the limit on the cutter disc 12, and then the cutter disc 12 can be moved. After the cutter disc 12 moves, the positioning block 3 and the positioning slot 31 are correspondingly engaged, and then the pull rod 33 is released. The pull rod 33 is reset under the rebound action of the second spring 36, and then the second insertion rod 34 passes through the positioning block 3 and is engaged with the second slot 35, which can fix the cutter disc 12 and thereby adjust the spacing of the crushing blades 13.

[0033] 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 coarse and fine complementary blade assembly for a plastic crusher, comprising a blade body, the blade body comprising a rotating shaft (1), a crushing roller (11) being fixedly connected to the surface of the rotating shaft (1), a cutter disc (12) being provided on the surface of the crushing roller (11), and a crushing blade (13) being mounted on the surface of the cutter disc (12); It is characterized in that The surface of the cutter disc (12) is provided with a mounting mechanism, the mounting mechanism comprising a mounting block (2), the mounting block (2) being fixedly connected to the surface of the cutter disc (12), the inner side of the mounting block (2) being provided with a mounting groove (21), the surface of the crushing knife (13) being fixedly connected to a connecting block (22), the connecting block (22) being movable on the inner side of the mounting groove (21), the inner side of the mounting block (2) being provided with a first movable groove (23), the inner wall of the first movable groove (23) being fixedly connected to a fixing rod (24), the surface of the fixing rod (24) being movably connected to a first insertion rod (25), the inner side of the connecting block (22) being provided with a first slot (26), the surface of the first insertion rod (25) being fixedly connected to a first spring (27).

2. A plastic crusher blade assembly with complementary coarse and fine blades according to claim 1, characterized in that: The mounting grooves (21) are formed into two groups and are opened on the inner side of the mounting block (2). The connecting blocks (22) are formed into two groups and are fixedly connected to the crushing blade (13). The first insertion rod (25) is movable on the inner side of the first movable groove (23).

3. The coarse and fine complementary blade assembly for a plastic crusher according to claim 1, characterized in that: One end of the first spring (27) is fixedly connected to the first movable groove (23), and the other end of the first spring (27) is fixedly connected to the first insertion rod (25).

4. A plastic crusher blade assembly with complementary coarse and fine blades according to claim 1, characterized in that: The surface of the crushing roller (11) is provided with an adjustment mechanism, and the adjustment mechanism includes a positioning block (3), the positioning block (3) is fixedly connected to the surface of the crushing roller (11), the inner surface of the cutter disc (12) is provided with a positioning groove (31), the inner side of the crushing roller (11) is provided with a second movable groove (32), the inner side of the second movable groove (32) is movably connected to a pull rod (33), the surface of the pull rod (33) is fixedly connected to a second insertion rod (34), the inner wall of the positioning groove (31) is provided with a second slot (35), and the surface of the pull rod (33) is fixedly connected to a second spring (36).

5. A plastic crusher blade assembly with complementary coarse and fine blades according to claim 4, characterized in that: The positioning grooves (31) are formed in two groups and are opened on the inner surface of the cutter disc (12). The second insertion rod (34) moves inside the second movable groove (32) and the positioning block (3).

6. A plastic crusher blade assembly with complementary coarse and fine blades according to claim 4, characterized in that: One end of the second spring (36) is fixedly connected to the second movable groove (32), and the other end of the second spring (36) is fixedly connected to the pull rod (33).

Images