Double-shaft crushing device for construction waste crusher

Abstract

The utility model discloses a double-shaft crushing device for a construction waste crusher, which relates to the technical field of crushers and comprises a support table, two motors are fixedly mounted at the upper end of the support table and are respectively and electrically connected with an external controller through connecting wires, and a crushing box is fixedly mounted on the support table between the two motors and is electrically connected with the external controller through connecting wires. Couplings are fixedly mounted on two sides of the crushing box, two crushing rollers are movably mounted in the crushing box, each crushing roller further comprises a rotating shaft, a plurality of tool aprons and a connecting shaft, the plurality of tool aprons are fixedly mounted on the outer side of the rotating shaft, and a plurality of tool bits are fixedly mounted on the outer sides of the tool aprons. A plurality of detachable tool bits are arranged on the outer side of the tool apron, so that the replacement frequency of the tool apron can be reduced, and the service life of the tool apron is prolonged; and the first limiting block, the second limiting block, the adjusting screw rod and other parts are arranged in the two connecting shafts correspondingly, so that the rotating shaft can achieve the rapid disassembly and assembly function in the crushing box through the two connecting shafts, and the overhaul and maintenance efficiency of the whole crushing roller is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of crushers, in particular to a double-shaft crushing device used for a construction waste crusher. Background Art

[0002] Construction waste crusher is a kind of mechanical equipment specially used for processing construction waste. It can effectively crush and pulverize abandoned concrete, bricks, stones and other construction waste, and transform them into reusable resources, which can greatly improve the recycling rate of construction waste, reduce resource waste and reduce environmental pollution.

[0003] When a construction waste crusher crushes construction waste, due to the complex composition of construction waste, which may contain hard objects such as steel bars and wires, these hard objects are easy to collide with the crushing roller during the crushing process, causing damage to the roller surface or even deformation. In addition, long-term operation and high-load working conditions will cause the crushing roller to wear, especially when processing a large amount of construction waste, the wear is more serious. Therefore, the crushing roller needs to be disassembled, repaired or replaced regularly. The crushing roller, as the core component of the machine, is usually closely connected with multiple key components such as the bearing seat, coupling, and motor. These connections need to be untied one by one during disassembly, making the disassembly and assembly of the crushing roller cumbersome, which brings certain inconveniences to the disassembly and maintenance of the crushing roller of the crusher. Utility Model Content

[0004] The purpose of the utility model is to provide a double-shaft crushing device for a construction waste crusher, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A double-shaft crushing device for a construction waste crusher comprises a support platform, two motors are fixedly mounted on the upper end of the support platform, and the two motors are electrically connected to an external controller via connecting lines, a crushing box is fixedly mounted on the support platform between the two motors, couplings are fixedly mounted on both sides of the crushing box, two crushing rollers are movably mounted in the crushing box, the crushing rollers also comprise a rotating shaft, a knife seat, and a connecting shaft, a plurality of the knife seats are fixedly mounted on the outside of the rotating shaft, a plurality of knife heads are fixedly mounted on the outside of the knife seat, the connecting shaft is movably mounted on one end of the rotating shaft via a first limit block and a second limit block, and the other end of the connecting shaft is fixedly connected to the corresponding motor output end via a coupling.

[0007] As a further optimization scheme of the utility model, a plurality of first installation grooves are opened on the outside of the tool holder, a screw groove is opened at the center position of the inner side of the first installation groove, the tool head is inserted and installed in the corresponding first installation groove and fixed by screws, and the tool head is arranged to be detachable, so that the tool head can be directly replaced after it is damaged.

[0008] As a further optimization solution of the utility model, first limiting grooves are provided at both ends of the rotating shaft, and a second limiting groove is provided at the center position of the inner side of the first limiting groove.

[0009] As a further optimization scheme of the utility model, a third limit block is fixedly installed at one end of the connecting shaft, a second installation groove is opened in the connecting shaft and the third limit block, a protruding through groove is opened on one side of the second installation groove, a screw hole is opened on the other side of the second installation groove, and an adjusting screw is movably installed in the screw hole. By installing the third limit block at one end of the connecting shaft and cooperating with the first limit block and the second limit block, the rotating shaft and the connecting shaft can be connected, so that the motor can drive the rotating shaft to rotate through the coupling and the connecting shaft.

[0010] As a further optimization solution of the utility model, a fixing block is fixedly installed at one end of the adjusting screw, the adjusting screw is threadedly connected in the screw hole, and the fixing block is located in the second installation groove.

[0011] As a further optimization scheme of the utility model, the first limit block and the second limit block are both T-shaped structures, a rotation groove is provided on one side of the first limit block, and the second limit block also has a rotation groove on the side relative to the first limit block, two positioning grooves are also provided on one side of the first limit block, and the second limit block is also fixedly installed with two positioning blocks on the side relative to the first limit block, the first limit block and the second limit block are connected to each other through the positioning groove and the positioning block, and the two rotation grooves are respectively inserted and installed on the outside of the fixed block, the combination of the first limit block and the second limit block is inserted and installed in the second installation groove, the third limit block is inserted and installed in the first limit groove, one end of the combination of the first limit block and the second limit block is inserted and installed in the second limit groove by passing through the protruding through groove through the adjusting screw, and the movement of the first limit block and the second limit block can be controlled by setting the adjusting screw, and then the connecting shaft and the rotating shaft are limitedly connected by the first limit block and the second limit block cooperating with the third limit block.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] The utility model discloses a double-shaft crushing device for a construction waste crusher, in which a plurality of detachable cutter heads are arranged outside a cutter seat, which can reduce the replacement frequency of the cutter seat and increase the service life of the cutter seat;

[0014] The first limit block, the second limit block, the adjusting screw and other components are respectively arranged in the two connecting shafts, so that the rotating shaft can be quickly disassembled and assembled in the crushing box with the help of the two connecting shafts, thereby improving the inspection and maintenance efficiency of the entire crushing roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the structure of the crushing roller of the utility model;

[0017] Figure 3 It is a schematic diagram of the disassembly of the rotating shaft and the connecting shaft structure of the utility model.

[0018] In the figure: 1, support table; 101, material receiving box; 2, motor; 3, crushing box; 4, coupling; 5, crushing roller; 6, rotating shaft; 7, knife seat; 8, knife head; 801, knife head mounting bolt; 9, connecting shaft; 10, first limit block; 11, second limit block; 12, first mounting groove; 13, screw groove; 14, first limit groove; 15, second limit groove; 16, second mounting groove; 17, protruding through groove; 18, third limit block; 19, screw hole; 20, adjusting screw; 21, fixing block; 22, rotating groove; 23, positioning groove; 24, positioning block. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0020] like Figure 1-Figure 3 As shown, the utility model provides a double-shaft crushing device for a construction waste crusher, including a support table 1, two motors 2 are fixedly installed on the upper end of the support table 1, and the two motors 2 are electrically connected to an external controller through connecting lines, a crushing box 3 is fixedly installed on the support table 1 between the two motors 2, couplings 4 are fixedly installed on both sides of the crushing box 3, two crushing rollers 5 are movably installed in the crushing box 3, the crushing roller 5 also includes a rotating shaft 6, a knife seat 7, and a connecting shaft 9, a plurality of knife seats 7 are fixedly installed on the outside of the rotating shaft 6, a plurality of knife heads 8 are fixedly installed on the outside of the knife seat 7, the connecting shaft 9 is movably installed on one end of the rotating shaft 6 through a first limit block 10 and a second limit block 11, and the other end of the connecting shaft 9 is fixedly connected to the corresponding output end of the motor 2 through a coupling 4.

[0021] like Figure 2As shown, a plurality of first mounting grooves 12 are provided on the outside of the cutter seat 7, a screw groove 13 is provided at the center of the inside of the first mounting groove 12, and the cutter head 8 is inserted and installed in the corresponding first mounting groove 12 and fixed by screws. By using the detachable cutter head 8, the cutter head 8 can be directly replaced after being damaged.

[0022] like Figure 3 As shown, both ends of the rotating shaft 6 are provided with a first limiting groove 14, a second limiting groove 15 is provided at the center position of the inner side of the first limiting groove 14, a third limiting block 18 is fixedly installed at one end of the connecting shaft 9, a second installation groove 16 is provided in the connecting shaft 9 and the third limiting block 18, a protruding through groove 17 is provided on one side of the second installation groove 16, a screw hole 19 is provided on the other side of the second installation groove 16, and an adjusting screw 20 is movably installed in the screw hole 19, by installing the third limiting block 18 at one end of the connecting shaft 9 8, and cooperate with the first limit block 10 and the second limit block 11, the rotating shaft 6 can be connected to the connecting shaft 9, so that the motor 2 can drive the rotating shaft 6 to rotate through the coupling 4 and the connecting shaft 9, and a fixing block 21 is fixedly installed at one end of the adjusting screw 20, the adjusting screw 20 is threadedly connected in the screw hole 19, and the fixing block 21 is located in the second installation groove 16, the first limit block 10 and the second limit block 11 are both T-shaped structures, and a rotating groove 22 is opened on one side of the first limit block 10, and the second limit block The first limiting block 10 also has a rotation groove 22 on one side thereof, and two positioning grooves 23 on one side thereof. The second limiting block 11 also has two positioning blocks 24 fixedly mounted on one side thereof relative to the first limiting block 10. The first limiting block 10 and the second limiting block 11 are connected to each other through the positioning grooves 23 and the positioning blocks 24, and the two rotation grooves 22 are respectively inserted and installed on the outside of the fixed block 21, and the combination of the first limiting block 10 and the second limiting block 11 is inserted and installed on the outer side of the fixing block 21. The third limit block 18 is inserted in the second installation groove 16 and installed in the first limit groove 14. One end of the combination of the first limit block 10 and the second limit block 11 is inserted in the second limit groove 15 by passing through the protruding groove 17 through the adjusting screw 20. By setting the adjusting screw 20, the movement of the first limit block 10 and the second limit block 11 can be controlled, and then the first limit block 10 and the second limit block 11 cooperate with the third limit block 18 to limit the connection between the connecting shaft 9 and the rotating shaft 6.

[0023] It should be noted that the utility model is a double-shaft crushing device for a construction waste crusher. When replacing the cutter head 8, it is only necessary to unscrew the screws fixing the cutter head 8, so as to achieve the purpose of removing the cutter head 8 from the first mounting groove 12, and then the newly replaced cutter head 8 is re-fixed and installed in the corresponding first mounting groove 12 by screws;

[0024] Before the connecting shaft 9 is used, the connecting shaft 9 and the third limit block 18 are two parts. One end of the screw hole 19 can be screwed into the screw hole 19 from the second mounting groove 16 at one end of the connecting shaft 9. Then, one end of the first limit block 10 and the second limit block 11 are respectively inserted and installed in the second mounting groove 16 at one end of the connecting shaft 9, and the rotating grooves 22 on the opposite sides of the first limit block 10 and the second limit block 11 are respectively inserted and installed on the outside of the fixed block 21. Then, the third limit block 18 is inserted and installed on the outside of the first limit block 10 and the second limit block 11 by protruding through the through groove 17. Then, the connection between the third limit block 18 and the connecting shaft 9 can be fixed by welding, thereby completing the connection and installation of the first limit block 10, the second limit block 11 and the adjusting screw 20. Then, when the rotating shaft 6 is disassembled, the two adjusting screws 20 can be respectively removed from the outside of the crushing box 3 by tools. The first and second limit blocks 10 and 11 are respectively moved to one side in the second installation groove 16, so that the other ends of the first and second limit blocks 10 and 11 are disengaged from the second limit groove 15 at one end of the rotating shaft 6. Subsequently, the rotating shaft 6 can be lifted out of the crushing box 3 with the help of a lifting tool. On the contrary, when installing the rotating shaft 6, the rotating shaft 6 is lifted into the crushing box 3 with the help of a lifting tool, and the first limit grooves 14 at both ends of the rotating shaft 6 are respectively inserted and installed on the corresponding connecting shaft 9. The adjusting screw 20 is rotated so that the adjusting screw 20 pushes one end of the first limit block 10 and the second limit block 11 into the second limit groove 15.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A double-shaft crushing device for a construction waste crusher, characterized in that: The invention comprises a support platform (1), wherein two motors (2) are fixedly mounted on the upper end of the support platform (1), and the two motors (2) are electrically connected to an external controller via connecting wires respectively; a crushing box (3) is fixedly mounted on the support platform (1) between the two motors (2), couplings (4) are fixedly mounted on both sides of the crushing box (3), and two crushing rollers (5) are movably mounted in the crushing box (3); The pulverizing roller (5) further comprises a rotating shaft (6), a knife seat (7), and a connecting shaft (9); a plurality of the knife seats (7) are fixedly mounted on the outside of the rotating shaft (6); a plurality of knife heads (8) are fixedly mounted on the outside of the knife seat (7); the connecting shaft (9) is movably mounted on one end of the rotating shaft (6) via a first limit block (10) and a second limit block (11); and the other end of the connecting shaft (9) is fixedly connected to the output end of the corresponding motor (2) via a coupling (4).

2. A double-shaft crushing device for a construction waste crusher according to claim 1, characterized in that: A plurality of first mounting grooves (12) are formed on the outside of the knife seat (7), a screw groove (13) is formed at the center of the inside of the first mounting groove (12), and the knife head (8) is inserted and installed in the corresponding first mounting groove (12) and fixed by screws.

3. A double-shaft crushing device for a construction waste crusher according to claim 1, characterized in that: Both ends of the rotating shaft (6) are provided with a first limiting groove (14), and a second limiting groove (15) is provided at the center position inside the first limiting groove (14).

4. A double-shaft crushing device for a construction waste crusher according to claim 3, characterized in that: A third limit block (18) is fixedly mounted on one end of the connecting shaft (9); a second mounting groove (16) is provided in the connecting shaft (9) and the third limit block (18); a protruding through groove (17) is provided on one side of the second mounting groove (16); a screw hole (19) is provided on the other side of the second mounting groove (16); and an adjusting screw rod (20) is movably mounted in the screw hole (19).

5. A double-shaft crushing device for a construction waste crusher according to claim 4, characterized in that: A fixing block (21) is fixedly mounted on one end of the adjusting screw (20); the adjusting screw (20) is threadedly connected in the screw hole (19), and the fixing block (21) is located in the second mounting groove (16).

6. A double-shaft crushing device for a construction waste crusher according to claim 5, characterized in that: The first limit block (10) and the second limit block (11) are both in a T-shaped structure. A rotation groove (22) is provided on one side of the first limit block (10). A rotation groove (22) is also provided on the side of the second limit block (11) opposite to the first limit block (10). Two positioning grooves (23) are also provided on one side of the first limit block (10). Two positioning blocks (24) are also fixedly mounted on the side of the second limit block (11) opposite to the first limit block (10). The first limit block (10) and the second limit block (11) are connected by a The positioning groove (23) and the positioning block (24) are connected to each other, and the two rotating grooves (22) are respectively installed on the outside of the fixed block (21). The combination of the first limiting block (10) and the second limiting block (11) is installed in the second installation groove (16). The third limiting block (18) is installed in the first limiting groove (14). One end of the combination of the first limiting block (10) and the second limiting block (11) is installed in the second limiting groove (15) by passing through the protruding through groove (17) through the adjusting screw (20).

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