Wear-resistant stationary knife structure of double-shaft crusher

Abstract

The utility model discloses a wear-resistant stationary knife structure of a double-shaft crusher, which belongs to the technical field of crushers and comprises a knife holder and a knife body which are mounted in the double-shaft crusher, the bottom end of the knife holder is provided with an adjusting groove, and an inner cavity of the adjusting groove is provided with an adjusting structure for adjusting the position of a cutting knife. A supporting structure used for supporting the other end of the cutting knife is arranged at the end, away from the adjusting groove, of the knife holder, a wear-resisting base plate is arranged at the bottom end of the knife holder, a plurality of sets of strip-shaped holes are formed in the surface of the wear-resisting base plate, and a wear-resisting rubber pad adheres to the lower surface of the wear-resisting base plate. The cutter body is positioned at the bottom end of the wear-resistant rubber pad and is bolted with the cutter holder through the fastening bolt, so that the abrasion of the cutter holder is avoided, the service life of the cutter holder is prolonged, the influence on the crushing work is reduced, and the working efficiency of the double-shaft crusher is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a wear-resistant fixed blade structure of a double-shaft crusher. Background Art

[0002] The twin-shaft shredder was originally designed to crush domestic and industrial waste. It is a twin-shaft shearing shredder that crushes materials into smaller sizes by shearing, squeezing, and tearing.

[0003] The fixed blade of the existing double-shaft crusher is usually bolted to the inside of the crushing box through a mounting base. Since the impact force generated during crushing is transmitted to the fixed blade, the vibration of the fixed blade causes damage to the blade seat. Long-term use causes the blade seat to wear and reduce the service life of the blade seat. The fixed blade shakes during crushing, affecting the crushing work and causing a decrease in the working efficiency of the double-shaft crusher.

[0004] According to the announcement number: CN207970944U, an adjustable fixed knife structure for a garbage crusher is provided, which is characterized in that it includes a fixed seat, an adjusting screw, an adjusting nut and a fixed knife, a sliding groove is provided on the fixed seat, an adjusting plate that can slide in the sliding groove is provided in the sliding groove, and the fixed knife is fixed on the adjusting plate, and a plurality of strip holes are provided on the fixed seat, and the strip holes are composed of a section of nut mounting hole and a section of adjusting light hole. A convex ring is provided at the end of the adjusting nut, which is located in the nut mounting hole, and a cover plate is provided on the fixed seat, and the adjusting nut is restricted in the nut mounting hole by pressing the convex ring by the cover plate and cannot fall out, the adjusting screw is threadedly matched with the adjusting nut, and the end of the adjusting screw passes through the adjusting light hole and is screwed into the screw hole on the adjusting plate.

[0005] According to the fixed blade structure introduced above, long-term use causes the blade seat to wear, reduces the service life of the blade seat, affects the crushing work, and causes the working efficiency of the twin-shaft crusher to decrease. Therefore, we need to propose a wear-resistant fixed blade structure for the twin-shaft crusher. Utility Model Content

[0006] The purpose of the utility model is to provide a wear-resistant fixed knife structure for a double-shaft crusher. The wear-resistant gasket is protected by the arrangement of a wear-resistant rubber pad, so that the cutting knife rubs against the wear-resistant rubber pad. The knife seat is protected by the arrangement of the wear-resistant gasket. When the wear-resistant rubber pad is rubbed and crushed, the knife body rubs against the wear-resistant gasket, avoiding direct friction between the knife body and the knife seat, thereby avoiding wear of the knife seat, prolonging the service life of the knife seat, reducing the impact on the crushing work, and increasing the working efficiency of the double-shaft crusher, so as to solve the problems raised in the above-mentioned background technology.

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a wear-resistant fixed knife structure for a double-shaft crusher, comprising a knife seat and a knife body for being installed in a double-shaft crusher, an adjustment slot being provided at the bottom end of the knife seat, an adjustment structure for adjusting the position of the cutting knife being provided in the inner cavity of the adjustment slot, a support structure for supporting the other end of the cutting knife being provided at one end of the knife seat away from the adjustment slot, a wear-resistant pad being provided at the bottom end of the knife seat, strip holes being provided on the surface of the wear-resistant pad, and several groups of strip holes being provided, a wear-resistant rubber pad being bonded to the lower surface of the wear-resistant pad, the knife body being located at the bottom end of the wear-resistant rubber pad, and the knife body being bolted to the knife seat by a fastening bolt.

[0008] Preferably, the adjustment structure includes a threaded sleeve, which is inserted and fixed on the outer wall of the tool holder, one end of the threaded sleeve is connected to the inner cavity of the adjustment groove, the inner cavity of the threaded sleeve is threadedly connected to a screw, one end of the screw is rotatably connected to a movable seat through a rotating shaft, the movable seat is located in the inner cavity of the adjustment groove, and a threaded hole compatible with the fastening bolt is provided on the lower surface of the movable seat, and the other end of the screw is fixedly connected to a knob.

[0009] Preferably, a through hole is opened on the surface of the movable seat, a support rod is inserted and slidably connected to the inner cavity of the movable seat through hole, and both ends of the support rod are fixedly connected to the inner side wall of the adjustment groove.

[0010] Preferably, the support structure includes a slide groove and a slide seat, the slide groove is opened on the lower surface of the tool holder, the slide seat is T-shaped, the slide seat is slidably connected to the inner cavity of the slide groove, and the lower surface of the slide seat is provided with a threaded hole adapted to the fastening bolt.

[0011] Preferably, the lower surface of the wear-resistant rubber pad is provided with wear-resistant bumps, and the wear-resistant bumps are provided in several groups, and the wear-resistant bumps in several groups are distributed in a rectangular shape on the lower surface of the wear-resistant rubber pad.

[0012] Preferably, a spring is sleeved on the outer surface of the screw, and the spring is located between the knob and the knife seat.

[0013] Preferably, the inner cavity of the chute is provided with positioning holes adapted to the fastening bolts, and the positioning holes are provided in a plurality of groups, and the plurality of groups of positioning holes are distributed at equal distances in the inner cavity of the chute.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The utility model provides a wear-resistant fixed blade structure of a double-shaft crusher. The wear-resistant gasket is protected by the setting of a wear-resistant rubber pad, so that the cutting knife rubs against the wear-resistant rubber pad. The knife seat is protected by the setting of the wear-resistant gasket. When the wear-resistant rubber pad is rubbed and crushed, the knife body will rub against the wear-resistant gasket, avoiding direct friction between the knife body and the knife seat, thereby avoiding wear of the knife seat, improving the service life of the knife seat, reducing the impact on the crushing work, and increasing the working efficiency of the double-shaft crusher.

[0016] 2. The utility model provides a wear-resistant fixed blade structure for a double-shaft crusher. Through the setting of the adjustment structure, the adjustment structure can be rotated to drive the blade body to move at the bottom end of the blade seat. Through the setting of the support structure, the other end of the blade body is supported, thereby increasing the stability of the blade body after the position is adjusted, so that the direction of the blade body can be adjusted after it is fixed, so that the blade seat can drive the blade body to install crushers of different sizes.

[0017] Other features and advantages of the present invention will be described in the following description, and in part will become apparent from the description, or understood by practicing the present invention. The purpose and other advantages of the present invention can be achieved and obtained by the structures indicated in the description and the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 This is a schematic diagram of the structure of the tool holder of the utility model when viewed from above;

[0020] Figure 3 This is a structural diagram of the utility model showing the disassembly of the tool holder and the slide;

[0021] Figure 4 This is a schematic structural diagram of the wear-resistant rubber pad of the utility model;

[0022] Figure 5 It is a structural diagram of the decomposition structure of the utility model.

[0023] In the figure: 1. Tool holder; 2. Tool body; 3. Adjustment slot; 4. Adjustment structure; 41. Threaded sleeve; 42. Screw; 43. Moving seat; 44. Knob; 5. Support structure; 51. Slide groove; 52. Slide seat; 6. Wear-resistant pad; 7. Strip hole; 8. Wear-resistant rubber pad; 9. Fastening bolt; 10. Support rod; 11. Wear-resistant bump; 12. Spring; 13. Positioning hole. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-5 The utility model provides a technical solution: a wear-resistant fixed knife structure of a double-shaft crusher, comprising a knife seat 1 and a knife body 2 for being installed in the double-shaft crusher, an adjusting slot 3 being provided at the bottom end of the knife seat 1, an adjusting structure 4 for adjusting the position of the cutting knife being provided in the inner cavity of the adjusting slot 3, a supporting structure 5 for supporting the other end of the cutting knife being provided at one end of the knife seat 1 away from the adjusting slot 3, a wear-resistant pad 6 being provided at the bottom end of the knife seat 1, strip holes 7 being provided on the surface of the wear-resistant pad 6, and a plurality of groups of strip holes 7 being provided, a wear-resistant rubber pad 8 being bonded to the lower surface of the wear-resistant pad 6, the knife body 2 being located at the bottom end of the wear-resistant rubber pad 8, and the knife body 2 being bolted to the knife seat 1 by a fastening bolt 9;

[0026] The cutter seat 1 is installed in the inner cavity of the double-shaft crusher chassis, and the wear-resistant gasket is protected by the setting of the wear-resistant rubber pad 8, so that the cutting knife rubs against the wear-resistant rubber pad 8, and the cutter seat 1 is protected by the setting of the wear-resistant gasket. When the wear-resistant rubber pad 8 is rubbed and crushed, the cutter body 2 will rub against the wear-resistant gasket to avoid direct friction between the cutter body 2 and the cutter seat 1. The rotary adjustment structure 4 drives the cutter body 2 to move at the bottom end of the cutter seat 1, and the other end of the cutter body 2 is supported by the setting of the support structure 5, thereby increasing the stability of the cutter body 2 after the position is adjusted, so that the direction of the cutter body 2 can be adjusted after it is fixed, thereby avoiding wear of the cutter seat 1, improving the service life of the cutter seat 1, reducing the impact on the crushing work, and increasing the working efficiency of the double-shaft crusher.

[0027] The adjusting structure 4 includes a threaded sleeve 41, which is inserted and fixed on the outer wall of the tool holder 1. One end of the threaded sleeve 41 is connected to the inner cavity of the adjusting groove 3. The inner cavity of the threaded sleeve 41 is threadedly connected with a screw 42. One end of the screw 42 is rotatably connected to a movable seat 43 through a rotating shaft. The movable seat 43 is located in the inner cavity of the adjusting groove 3. The lower surface of the movable seat 43 is provided with a threaded hole compatible with the fastening bolt 9. The other end of the screw 42 is fixedly connected with a knob 44. Turning the knob 44 drives the screw 42 to rotate. The screw 42 is threadedly connected to the threaded sleeve 41, so that when the screw 42 rotates, it can push the movable seat 43 to move in the adjusting groove 3, so that the installation position of the tool body 2 can be adjusted.

[0028] A through hole is provided on the surface of the movable seat 43, and a support rod 10 is inserted and slidably connected to the inner cavity of the through hole of the movable seat 43. Both ends of the support rod 10 are fixedly connected to the inner wall of the adjustment groove 3. Through the setting of the support rod 10, a supporting force is provided to the movable seat 43, thereby improving the stability of the movable seat 43 when moving in the adjustment groove 3, and preventing the movable seat 43 from flipping when the screw 42 rotates.

[0029] The support structure 5 includes a slide groove 51 and a slide seat 52. The slide groove 51 is provided on the lower surface of the tool holder 1. The slide seat 52 is T-shaped. The slide seat 52 is slidably connected to the inner cavity of the slide groove 51. A threaded hole compatible with the fastening bolt 9 is provided on the lower surface of the slide seat 52. When the tool body 2 moves, the slide seat 52 is driven to move by the fastening bolt 9, so that the slide seat 52 slides in the slide groove 51. The other end of the tool body 2 is supported by the cooperation between the slide seat 52 and the slide groove 51.

[0030] The lower surface of the wear-resistant rubber pad 8 is provided with wear-resistant bumps 11. There are several groups of wear-resistant bumps 11. Several groups of wear-resistant bumps 11 are distributed in a rectangular shape on the lower surface of the wear-resistant rubber pad 8. The setting of the wear-resistant bumps 11 increases the wear-resistant effect of the wear-resistant rubber pad 8 and increases the service life of the wear-resistant rubber pad 8.

[0031] A spring 12 is sleeved on the outer surface of the screw 42, and the spring 12 is located between the knob 44 and the knife seat 1. The spring 12 is set to support the knob 44 by utilizing the rebound force of the spring 12 to prevent the screw 42 from loosening after adjustment, causing the fixed position to shift.

[0032] The inner cavity of the slide groove 51 is provided with positioning holes 13 that are compatible with the fastening bolts 9. There are several groups of positioning holes 13, and the several groups of positioning holes 13 are evenly distributed in the inner cavity of the slide groove 51. Through the setting of the positioning holes 13, the position of the other end of the blade body 2 is assisted in positioning, thereby increasing the stability of the blade body 2 after positioning.

[0033] When in use: install the cutter seat 1 in the inner cavity of the double-shaft crusher chassis, then bolt the cutter body 2 to the moving seat 43 and the slide 52 through the fastening bolts 9, rotate the knob 44 to drive the screw 42 to rotate, and the screw 42 is connected to the threaded sleeve 41 through the thread, so that when the screw 42 rotates, it can push the moving seat 43 to move in the adjustment slot 3. At the same time, when the cutter body 2 moves, the fastening bolt 9 at the other end pushes the slide 52 to move in the slide slot 51. After adjusting the position of the cutter body 2, tighten the fastening bolts. Bolt 9, so that the top end of the fastening bolt 9 extends to the inner cavity of the positioning hole 13 to complete the positioning. When in use, the cutter body 2 will first rub against the wear-resistant protrusion 11. Only when the wear-resistant protrusion 11 is ground flat will it contact with the wear-resistant rubber pad 8. When the wear-resistant rubber pad 8 is rubbed and broken, the cutter body 2 will rub against the wear-resistant gasket to avoid direct friction between the cutter body 2 and the cutter seat 1, thereby avoiding wear of the cutter seat 1, improving the service life of the cutter seat 1, reducing the impact on the crushing work, and increasing the working efficiency of the double-shaft crusher.

[0034] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant fixed blade structure for a twin-shaft crusher, comprising a blade holder (1) and a blade body (2) for installation in the twin-shaft crusher, characterized in that: The bottom end of the knife seat (1) is provided with an adjustment groove (3), the inner cavity of the adjustment groove (3) is provided with an adjustment structure (4) for adjusting the position of the cutting knife, the end of the knife seat (1) away from the adjustment groove (3) is provided with a support structure (5) for supporting the other end of the cutting knife, the bottom end of the knife seat (1) is provided with a wear-resistant pad (6), the surface of the wear-resistant pad (6) is provided with strip holes (7), and the strip holes (7) are provided in several groups, the lower surface of the wear-resistant pad (6) is bonded with a wear-resistant rubber pad (8), the knife body (2) is located at the bottom end of the wear-resistant rubber pad (8), and the knife body (2) is bolted to the knife seat (1) by a fastening bolt (9).

2. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 1, characterized in that: The adjusting structure (4) includes a threaded sleeve (41), which is plugged and fixed on the outer wall of the knife seat (1), one end of the threaded sleeve (41) is connected to the inner cavity of the adjusting groove (3), the inner cavity of the threaded sleeve (41) is threadedly connected to a screw rod (42), one end of the screw rod (42) is rotatably connected to a movable seat (43) through a rotating shaft, the movable seat (43) is located in the inner cavity of the adjusting groove (3), the lower surface of the movable seat (43) is provided with a threaded hole adapted to the fastening bolt (9), and the other end of the screw rod (42) is fixedly connected to a knob (44).

3. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 2, characterized in that: A through hole is provided on the surface of the movable seat (43), and a support rod (10) is inserted and slidably inserted into the inner cavity of the through hole of the movable seat (43), and both ends of the support rod (10) are fixedly connected to the inner side wall of the adjustment groove (3).

4. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 1, characterized in that: The support structure (5) includes a slide groove (51) and a slide seat (52), wherein the slide groove (51) is provided on the lower surface of the tool holder (1), and the slide seat (52) is T-shaped. The slide seat (52) is slidably connected to the inner cavity of the slide groove (51), and a threaded hole adapted to the fastening bolt (9) is provided on the lower surface of the slide seat (52).

5. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 1, characterized in that: The lower surface of the wear-resistant rubber pad (8) is provided with wear-resistant bumps (11), and the wear-resistant bumps (11) are provided in a plurality of groups. The plurality of groups of wear-resistant bumps (11) are distributed in a rectangular shape on the lower surface of the wear-resistant rubber pad (8).

6. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 2, characterized in that: The outer surface of the screw rod (42) is sleeved with a spring (12), and the spring (12) is located between the knob (44) and the knife seat (1).

7. The wear-resistant fixed blade structure of a double-shaft crusher according to claim 4, characterized in that: The inner cavity of the slide groove (51) is provided with positioning holes (13) adapted to the fastening bolts (9), and the positioning holes (13) are provided in a plurality of groups, and the plurality of groups of positioning holes (13) are distributed at equal distances in the inner cavity of the slide groove (51).

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