Alloy blade for pulverizer

Abstract

The utility model discloses an alloy blade for a pulverizer, and belongs to the technical field of pulverizer blades. The alloy blade for the pulverizer comprises a cutter head body, a cutter holder and a cutter body, a mounting groove is annularly formed in the surface of the cutter head body, positioning grooves are formed in the two sides of the interior of the mounting groove, upper inserting holes are formed in the upper ends of the positioning grooves, lower inserting holes are formed in the lower ends of the positioning grooves, first threaded holes are formed in the upper surface of the cutter head body, and the first threaded holes penetrate through the cutter head body. The upper surface of the cutter head body is connected with an upper cover ring, the lower surface of the upper cover ring is fixedly connected with a first locking rod, the lower surface of the cutter head body is connected with a lower cover ring, and the lower surface of the lower cover ring is fixedly connected with a second locking rod. According to the high-speed alloy steel pulverizer blade, the problem that an existing high-speed alloy steel pulverizer blade is tedious to disassemble and assemble is solved, a plurality of blade bodies can be fixed at a time through matching of the upper cover ring and the lower cover ring, and only the upper cover ring and the lower cover ring need to be disassembled and assembled during disassembly and assembly.

Description

Technical Field

[0001] The utility model relates to the technical field of pulverizer blades, in particular to an alloy blade for a pulverizer. Background Art

[0002] Since the blade is in constant contact with the material being crushed, the material will rub against the blade surface during the cutting and crushing process. Even for high-strength alloy steel, long-term friction will cause the blade edge to gradually become blunt.

[0003] In order to prevent the blade from becoming blunt and affecting the crushing effect, the staff will regularly dismantle the blade for inspection and maintenance and replace the worn blade. However, the common crusher blades need to be disassembled and assembled one by one, which is very inconvenient.

[0004] Therefore, we propose an alloy blade for a pulverizer to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the present utility model is to provide an alloy blade for a crusher, which can fix several blade bodies at a time through the cooperation of an upper cover ring and a lower cover ring. When disassembling, only the upper cover ring and the lower cover ring need to be disassembled and assembled, thereby effectively solving the above-mentioned problems.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an alloy blade for a crusher, comprising a cutter disc body, a cutter seat and a cutter body, a mounting groove is provided in a ring on the surface of the cutter disc body, the cutter seat is installed in the interior of the mounting groove in a detachable manner, positioning grooves are provided on both sides of the interior of the mounting groove, an upper plug hole is provided at the upper end of the positioning groove, a lower plug hole is provided at the lower end of the positioning groove, a first threaded hole is provided on the upper surface of the cutter disc body, the first threaded hole passes through the cutter disc body, an upper cover ring is connected to the upper surface of the cutter disc body, a first locking rod is fixedly connected to the lower surface of the upper cover ring, the first locking rod is inserted into the interior of the upper plug hole, a lower cover ring is connected to the lower surface of the cutter disc body, a second locking rod is fixedly connected to the lower surface of the lower cover ring, the second locking rod is inserted into the interior of the lower plug hole.

[0007] Preferably, a mounting hole is provided at the center of the cutter head body for connecting the drive shaft, a slot is provided on the bottom surface of the mounting groove, and an insert block is fixedly connected to the rear end of the cutter seat, and the insert block is snap-fitted into the slot.

[0008] Preferably, positioning blocks are fixedly connected on both sides of the knife holder, the positioning blocks are inserted into the positioning grooves, positioning holes are opened on the surface of the positioning blocks, the size and position of the positioning holes match the upper and lower sockets, and the front end of the knife holder is fixedly connected to the knife body.

[0009] Preferably, a second threaded hole is provided in a ring shape on the surface of the upper cover ring, the size and position of the second threaded hole match those of the first threaded hole, a first bolt is threadedly connected to the inside of the second threaded hole, the first bolt thread passes through the second threaded hole and is threadedly inserted into the inside of the first threaded hole, and a magnetic protrusion is integrally formed at the lower end of the first locking rod.

[0010] Preferably, a third threaded hole is provided in an annular shape on the surface of the lower cover ring, the size and position of the third threaded hole match those of the first threaded hole, the internal thread of the third threaded hole is connected to a second bolt, the second bolt thread passes through the third threaded hole and is threadedly inserted into the interior of the first threaded hole, a magnetic groove is provided at the lower end of the second locking rod, the magnetic protrusion penetrates into the interior of the magnetic groove and is magnetically connected to the magnetic groove.

[0011] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0012] (1) The alloy blade for a pulverizer of the present invention can fix several blade bodies at a time through the cooperation of an upper cover ring and a lower cover ring. When disassembling or assembling, only the upper cover ring and the lower cover ring need to be disassembled or assembled.

[0013] (2) In the alloy blade for a crusher of the present invention, the first locking rod and the second locking rod are magnetically connected through a magnetic protrusion and a magnetic groove, which can further enhance the connection effect between the upper cover ring and the lower cover ring, thereby increasing the overall stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional diagram of the entire utility model;

[0015] Figure 2 This is a schematic diagram of the tool holder of the present invention when it is installed;

[0016] Figure 3 This is a schematic diagram of the upper cover ring of the present invention when it is installed;

[0017] Figure 4 This is a schematic diagram of the lower cover ring of the present invention when it is installed;

[0018] Figure 5 Schematic diagram of the upper cover ring structure of the present invention;

[0019] Figure 6 It is a schematic diagram of the lower cover ring structure of the present utility model.

[0020] In the figure: 1. Cutter body; 11. Mounting hole; 12. Mounting slot; 121. Slot; 122. Positioning slot; 1221. Upper plug hole; 1222. Lower plug hole; 13. First threaded hole; 2. Cutter seat; 21. Insert block; 22. Positioning block; 221. Positioning hole; 23. Cutter body; 3. Upper cover ring; 31. Second threaded hole; 32. First bolt; 33. First locking rod; 331. Magnetic protrusion; 4. Lower cover ring; 41. Third threaded hole; 42. Second bolt; 43. Second locking rod; 431. Magnetic groove. DETAILED DESCRIPTION

[0021] 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 implementation regulations 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.

[0022] See also Figure 1-6 , an alloy blade for a crusher, including a cutter disc body 1, a cutter seat 2 and a cutter body 23, a mounting groove 12 is provided in a ring shape on the surface of the cutter disc body 1, the cutter seat 2 is installed in the interior of the mounting groove 12 in a detachable manner, positioning grooves 122 are provided on both sides of the interior of the mounting groove 12, an upper plug hole 1221 is provided at the upper end of the positioning groove 122, and a lower plug hole 1222 is provided at the lower end of the positioning groove 122, a first threaded hole 13 is provided on the upper surface of the cutter disc body 1, the first threaded hole 13 passes through the cutter disc body 1, an upper cover ring 3 is connected to the upper surface of the cutter disc body 1, a first locking rod 33 is fixedly connected to the lower surface of the upper cover ring 3, the first locking rod 33 is inserted into the interior of the upper plug hole 1221, a lower surface of the cutter disc body 1 is connected to the lower cover ring 4, a second locking rod 43 is fixedly connected to the lower surface of the lower cover ring 4, and the second locking rod 43 is inserted into the lower plug hole 1222 Internally, during use, when the upper cover ring 3 is installed to the upper surface of the cutter disc body 1, the first locking rod 33 is inserted into the upper insertion hole 1221 and the positioning hole 221, further increasing the fixing effect of the knife seat 2, and at the same time, by threading the first bolt 32 into the second threaded hole 31 and the first threaded hole 13, the upper cover ring 3 and the cutter disc body 1 can be fixed, and then several knife seats 2 can be locked at the same time, and the lower cover ring 4 can be installed to the lower surface of the cutter disc body 1 in the same way as above, and the upper cover ring 3 can be used to lock the upper and lower ends of several knife seats 2. In this way, the disassembly and assembly of several knife seats 2 can be completed by disassembling and assembling the upper cover ring 3 and the lower cover ring 4, which simplifies the steps of installing a single knife seat 2 and achieves the purpose of simplifying the process, so as to facilitate the staff to inspect, maintain and replace the knife body 23, thereby increasing the overall purpose.

[0023] Furthermore, a mounting hole 11 is provided in the center of the cutter disc body 1 for connecting the drive shaft, a slot 121 is provided on the bottom surface of the mounting groove 12, and an insert block 21 is fixedly connected to the rear end of the cutter seat 2, and the insert block 21 is engaged with the slot 121. When in use, the cutter seat 2 is first inserted into the mounting groove 12. During insertion, the positioning blocks 22 on both sides of the cutter seat 2 will be inserted into the positioning groove 122 to achieve preliminary positioning. When inserted to the bottom, the insert block 21 at the rear end of the cutter seat 2 is inserted into the slot 121 to achieve preliminary engagement and fixation between the cutter seat 2 and the cutter disc body 1.

[0024] Furthermore, positioning blocks 22 are fixedly connected on both sides of the knife seat 2, and the positioning blocks 22 are inserted into the positioning grooves 122. Positioning holes 221 are opened on the surface of the positioning blocks 22. The size and position of the positioning holes 221 match the upper sockets 1221 and the lower sockets 1222. The front end of the knife seat 2 is fixedly connected to the knife body 23. When in use, after the knife seat 2 and the cutter disc body 1 are initially fixed, the positioning holes 221 coincide with the upper sockets 1221 and the lower sockets 1222 to facilitate subsequent fixation.

[0025] Furthermore, a second threaded hole 31 is provided in a ring shape on the surface of the upper cover ring 3. The size and position of the second threaded hole 31 match those of the first threaded hole 13. The second threaded hole 31 is internally threadedly connected with a first bolt 32. The first bolt 32 is threadedly passed through the second threaded hole 31 and is threadedly inserted into the interior of the first threaded hole 13. A magnetic protrusion 331 is integrally formed at the lower end of the first locking rod 33. When in use, when the upper cover ring 3 cooperates with the lower cover ring 4 to lock the knife holder 2, the first locking rod 33 is downwardly passed through the upper insertion hole 1221 and inserted into the interior of the positioning hole 221, and the magnetic protrusion 331 at its front end is located halfway inside the positioning hole 221.

[0026] The second screw threaded hole 431 is connected to the first screw threaded hole 431, and the second screw threaded hole 431 is connected to the first screw threaded hole 431. The second screw threaded hole 431 is connected to the first screw threaded hole 431 by the second screw threaded hole 431. The second screw threaded hole 431 is connected to the first screw threaded hole 431 by the second screw threaded hole 431. The second screw threaded hole 431 is connected to the first screw threaded hole 431 by the second screw threaded hole 431. The second screw threaded hole 431 is connected to the first screw threaded hole 431 by the second screw threaded hole 431. The second screw threaded hole 431 is connected to the first screw threaded hole 431 by the second screw threaded hole 431.

[0027] Working principle: The utility model is an alloy blade for a crusher. When in use, when the knife seat 2 is inserted into the mounting slot 12 of the cutter disc body 1, the positioning blocks 22 on both sides of the knife seat 2 will automatically insert into the positioning slot 122 to achieve preliminary positioning. When the knife seat 2 is fully inserted into the bottom, the insert block 21 at the rear end of the knife seat 2 is engaged with the slot 121 to complete the preliminary engagement and fixation of the knife seat 2. The front end of the knife seat 2 is fixedly connected to the knife body 23. After the knife seat 2 is initially fixed to the cutter disc body 1, the positioning hole 221 on the positioning block 22 coincides with the upper plug hole 1221 and the lower plug hole 1222 on the cutter disc body 1. When the upper cover ring 3 is installed to the upper surface of the cutter disc body 1, the first locking rod 33 is inserted into the upper plug hole 1221 and the positioning hole 221 to enhance the fixing effect of the knife seat 2. At the same time, by threading the first bolt 32 into the second threaded hole 31 and the first The upper cover ring 3 is fixed to the cutter disc body 1 inside the threaded hole 13, and the lower cover ring 4 is installed to the lower surface of the cutter disc body 1 in the same way as the upper cover ring 3. The second locking rod 43 is inserted into the lower insertion hole 1222 and the positioning hole 221, and fixes the cutter seat 2 together with the first locking rod 33. The upper cover ring 3 and the lower cover ring 4 are magnetically connected through the first locking rod 33 and the second locking rod 43. The magnetic protrusion 331 is inserted into the magnetic groove 431, and the two are magnetically connected, thereby enhancing the connection effect between the upper cover ring 3 and the lower cover ring 4, further improving the overall stability, and fixing several cutter seats 2 through the cooperation of the upper cover ring 3 and the lower cover ring 4. When the upper cover ring 3 and the lower cover ring 4 are removed, several cutter seats 2 can be removed at the same time. When the upper cover ring 3 and the lower cover ring 4 are installed, several cutter seats 2 can be installed at the same time, thereby increasing the overall practicality.

Claims

1. An alloy blade for a pulverizer, comprising a cutter head (1), a cutter seat (2) and a cutter body (23), wherein a mounting groove (12) is provided in an annular shape on the surface of the cutter head (1), and the cutter seat (2) is detachably mounted inside the mounting groove (12), characterized in that: Positioning grooves (122) are provided on both sides of the interior of the mounting groove (12), an upper plug hole (1221) is provided at the upper end of the positioning groove (122), and a lower plug hole (1222) is provided at the lower end of the positioning groove (122). A first threaded hole (13) is provided on the upper surface of the cutter head body (1), and the first threaded hole (13) passes through the cutter head body (1). An upper cover ring (3) is connected to the upper surface of the cutter head body (1), and a first locking rod (33) is fixedly connected to the lower surface of the upper cover ring (3), and the first locking rod (33) is inserted into the interior of the upper plug hole (1221). A lower cover ring (4) is connected to the lower surface of the cutter head body (1), and a second locking rod (43) is fixedly connected to the lower surface of the lower cover ring (4), and the second locking rod (43) is inserted into the interior of the lower plug hole (1222).

2. The alloy blade for a pulverizer according to claim 1, characterized in that: A mounting hole (11) is provided at the center of the cutter head body (1) for connecting the drive shaft, a slot (121) is provided on the bottom surface of the mounting slot (12), and an insert block (21) is fixedly connected to the rear end of the cutter seat (2), and the insert block (21) is engaged with the slot (121).

3. The alloy blade for a pulverizer according to claim 2, characterized in that: Positioning blocks (22) are fixedly connected to both sides of the knife seat (2), and the positioning blocks (22) are inserted into the positioning grooves (122). Positioning holes (221) are opened on the surface of the positioning blocks (22). The size and position of the positioning holes (221) match the upper plug hole (1221) and the lower plug hole (1222). The front end of the knife seat (2) is fixedly connected to the knife body (23).

4. The alloy blade for a pulverizer according to claim 3, characterized in that: A second threaded hole (31) is formed in an annular shape on the surface of the upper cover ring (3). The size and position of the second threaded hole (31) match those of the first threaded hole (13). A first bolt (32) is threadedly connected to the interior of the second threaded hole (31). The first bolt (32) is threadedly inserted through the second threaded hole (31) and is threadedly inserted into the interior of the first threaded hole (13). A magnetic protrusion (331) is integrally formed on the lower end of the first locking rod (33).

5. The alloy blade for a pulverizer according to claim 4, characterized in that: A third threaded hole (41) is formed in an annular shape on the surface of the lower cover ring (4). The size and position of the third threaded hole (41) match those of the first threaded hole (13). The interior of the third threaded hole (41) is threadedly connected to a second bolt (42). The second bolt (42) is threadedly passed through the third threaded hole (41) and is threadedly inserted into the interior of the first threaded hole (13). A magnetic groove (431) is formed at the lower end of the second locking rod (43). The magnetic protrusion (331) penetrates into the interior of the magnetic groove (431) and is magnetically connected to the magnetic groove (431).

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