Steel fiber shredding machine

Abstract

The utility model discloses a steel fiber shredding machine, and belongs to the field of steel bar shearing equipment. The structure comprises a workbench (1), a motor (2) and a cutter (3), the motor (2) is arranged on the workbench (1) and drives the cutter (3) to rotate, the structure further comprises a speed reducer (10) and a carrier roller (7), the speed reducer (10) is arranged at the upper end of the workbench (1), an input shaft of the speed reducer (10) is connected with the end, located on the outer side of the cutter (3), of a rotating shaft of the motor (2), an output shaft of the speed reducer (10) is perpendicular to the input shaft, and the carrier roller (7) is arranged on an output shaft of the speed reducer (10). And the cutter (3) is arranged right opposite to the cutter (3). The motor (2) of the structure serves as a power source of the cutting mechanism and wire feeding, so that the wire cutting speed and the wire feeding speed are synchronous, it is guaranteed that the conveying linear speed of steel fibers is consistent with the linear speed of a carrier roller, and the shearing efficiency is improved. The problems that existing shearing equipment is poor in speed regulation performance and low in shearing efficiency are solved.

Description

TECHNICAL FIELD

[0001] The utility model discloses a steel fiber cutting machine belongs to reinforcing steel bar shearing equipment field. BACKGROUND

[0002] At present, fine steel fiber needs to be mixed in new concrete to enhance the tensile capacity of concrete, and the demand is large. Steel fiber cutting machine as the main equipment for cutting off steel fiber, has high requirements on the strength and reliability of the machine. And mainly used to solve the problem of low production efficiency of steel fiber and uneven length of production steel fiber.

[0003] At present, most steel fiber cutting machines use two sets of power mechanisms for shearing and feeding, making it difficult to ensure the consistency of shearing and feeding speed, resulting in poor speed regulation performance, and the straightness and surface quality of the sheared steel bar are also difficult to achieve the ideal state, and the actual shearing efficiency is low. INVENTION CONTENTS

[0004] The technical problem to be solved by the utility model is that the speed regulation performance of the prior art steel fiber cutting machine is poor, resulting in low shearing efficiency.

[0005] The technical scheme adopted by the utility model to solve the technical problem is: a steel fiber cutting machine, comprising a workbench, a motor and a cutter, the motor is arranged on the workbench, and the motor drives the cutter to rotate, further comprising a speed reducer and a carrier roller, the speed reducer is arranged at the upper end of the workbench, the input shaft of the speed reducer is connected with the motor shaft at the outer side end of the cutter, the output shaft of the speed reducer is arranged perpendicularly to the input shaft, and the carrier roller is arranged on the output shaft of the speed reducer and is arranged opposite to the cutter.

[0006] Among the above structure, a cutter head is further included, the cutter head is coaxially arranged with the cutter and closely arranged with the cutter, and a feeding port opposite to the cutter is arranged on the outer edge side of the cutter head.

[0007] Further, the above structure further includes a gear pair, one gear of the gear pair is sleeved on the motor shaft, and the other gear is arranged on the cutter shaft.

[0008] Further, the above structure further includes a spring, the spring is sleeved on the cutter shaft, one end of the spring is connected with the gear sleeved on the cutter shaft of the gear pair, and the other end of the spring is in contact with the side wall of the cutter.

[0009] Among the above structure, a guide block is further included, the guide block is arranged at the feeding end of the workbench, a strip-shaped hole is formed in the guide block, and the strip-shaped hole is opposite to the cutter.

[0010] Among the above structure, a lifting roller is further included, the lifting roller is arranged in the interval between the carrier roller in the height direction of the workbench.

[0011] Further, the structure further comprises a lifting assembly, which is capable of adjusting the distance between the lifting roller and the supporting roller.

[0012] Further, the lifting assembly comprises a lifting frame, a lead screw and a hand wheel, the lifting frame is in the shape of a door frame, the lower end of the lifting frame is connected to the workbench outside the supporting roller, a sliding block is slidably arranged in the lifting frame, the lifting roller is vertically arranged on the sliding block, the lead screw is threaded into the upper end of the lifting frame and is threadedly connected to the lifting frame, the threaded end is rotatably connected to the sliding block, and the hand wheel is arranged on the upper end of the lead screw.

[0013] In the structure, a material receiving groove is arranged in the middle of the workbench, and the upper end of the material receiving groove is sleeved on the lower part of the cutter.

[0014] The beneficial effects of the utility model are as follows: the structure uses a motor as a core power source, and realizes synchronous operation of the cutter and the supporting roller. The actual motor drives the cutter to rotate at high speed, and the steel fibers passing through the cutter disc are rapidly sheared; meanwhile, the reducer is finely adjusted, so that the supporting roller rotates slowly, the steel fibers are ensured to be transmitted at a speed consistent with the speed of the supporting roller through fine extrusion and friction between the supporting roller and the lifting roller. The design scheme is simple and easy to understand, and the shearing efficiency of the steel fibers is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The figure is a structural schematic view of the utility model.

[0016] Figure 2 The figure is a structural schematic view of the utility model Figure 1 The figure is an enlarged schematic view of structure A.

[0017] In the figure, 1 is a workbench, 2 is a motor, 3 is a cutter, 4 is a cutter disc, 5 is a gear pair, 6 is a lifting assembly, 61 is a hand wheel, 62 is a lead screw, 63 is a sliding block, 64 is a lifting frame, 7 is a supporting roller, 8 is a lifting roller, 9 is a guide block, 10 is a speed reducer, 11 is a spring, and 12 is a material receiving groove. DETAILED DESCRIPTION

[0018] The utility model will be further described below with reference to the drawings.

[0019] As Figure 1 and Figure 2As shown in the utility model, a steel fiber cutting machine, including work table 1, motor 2 and cutter 3, motor 2 sets up on work table 1, motor 2 drives cutter 3 to rotate, still including speed reducer 10 and carrier roller 7, speed reducer 10 sets up on the upper end of work table 1, the input shaft of speed reducer 10 is located cutter 3 outside end connection with motor 2 rotating shaft, the output shaft of speed reducer 10 is perpendicular to the input shaft, and carrier roller 7 is arranged on the output shaft of speed reducer 10, and is opposite to cutter 3 and is arranged. Those skilled in the art can understand that the motor 2 drives the cutter 3 and the reducer 5 work at the same time, the motor 2 provides power to drive the cutter 3 to rotate to fly shear the steel fiber passing through the cutter 4, and the reducer 5 drives the carrier roller 7 to rotate, the carrier roller 7 extrudes and rubs to make the linear velocity of the steel fiber transmission and the linear velocity of the carrier roller 7 consistent, realize the purpose of feeding. The motor 2 of the structure simultaneously acts as the power source of the cutting mechanism and the feeding mechanism, the speed of cutting and feeding is synchronized, the structure is simple and the speed is stable. And the cutter 3 is radial, similar to the fan wheel, high-speed cutting is realized, and the number of cutter 3 can be determined according to the need, and the cutter 3 is preferably spaced apart two, and the axial parallel arrangement can be realized, and the shearing efficiency is increased.

[0020] Preferably, the above structure further includes a cutter 4, the cutter 4 is coaxially arranged with the cutter 3, and is in close contact with the cutter 3, and the outer edge of the cutter 4 is provided with a feeding port opposite to the cutter 3. Those skilled in the art can understand that in order to guide the steel fiber feeding, the structure actually further provides the cutter 4 on the rotating shaft of the cutter 3, the cutter 4 is fixed and will not rotate with the cutter 3, the outer edge of the cutter 4 is provided with a feeding port opposite to the cutter 3, the steel fiber is further guided through the feeding port, and the cutter 3 can contact the cutter 4 to realize the purpose of automatic sharpening.

[0021] Preferably, the above structure further includes a gear pair 5, one gear of the gear pair 5 is sleeved on the rotating shaft of the motor 2, and the other gear is arranged on the rotating shaft of the cutter 3. Those skilled in the art can understand that in order to facilitate the motor 2 to drive the cutter 3 to rotate and shear the steel fiber, the cutter 3 is driven by the gear pair 5, specifically one gear of the gear pair 5 is sleeved on the rotating shaft of the motor 2, and the other gear is arranged on the rotating shaft of the cutter 3. And the gear pair 5 is a meshing gear, and the number of gears is at least two.

[0022] Preferably, the above structure further includes a spring 11, the spring 11 is sleeved on the rotating shaft of the cutter 3, one end of the spring 11 is connected with the gear sleeved on the rotating shaft of the cutter 3 of the gear pair 5, and the other end is connected with the side wall of the cutter 3. Those skilled in the art can understand that the cutter 3 is extruded by the spring 11, the cutter 3 is kept in close contact with the cutter 4, the friction between the cutter 3 and the cutter 4 is beneficial to keep the cutter 3 sharp, and the self-sharpening effect is achieved. At the same time, the spring 3 can press the cutter 4 on the supporting member of the cutter 3 rotating shaft, and keep the position of the cutter 4 unchanged.

[0023] The structure further comprises a guide block 9 arranged at the feeding end of the workbench 1, and a strip-shaped hole is arranged on the guide block 9 and faces the cutter 3. Those skilled in the art can understand that, in order to facilitate the uniform distribution of the steel fibers before feeding, the guide block 9 is preferably arranged at the feeding end of the workbench 1, and the strip-shaped hole is arranged on the guide block 9 and faces the cutter 3.

[0024] Preferably, the structure further comprises a lifting roller 8 arranged at the height direction of the workbench 1 and spaced from the supporting roller 7. Those skilled in the art can understand that, in order to increase the friction between the steel fibers and the supporting roller 7, the lifting roller 8 is further arranged above or below the supporting roller 7, so that the steel fibers are always between the supporting roller 7 and the lifting roller 8, which is beneficial to ensure that the linear speed of the steel fibers and the linear speed of the roller are consistent, and facilitate the control of the feeding speed.

[0025] Preferably, the structure further comprises a lifting assembly 6, which can adjust the distance between the lifting roller 8 and the supporting roller 7. Those skilled in the art can understand that, in order to facilitate the adjustment of the distance between the lifting roller 8 and the supporting roller 7, the lifting assembly 6 is further arranged, and the distance between the lifting roller 8 and the supporting roller 7 can be adjusted by the lifting assembly 6, so as to meet the feeding requirements of steel fibers of different sizes.

[0026] Preferably, the lifting assembly 6 in the above structure comprises a lifting frame 64, a lead screw 62 and a hand wheel 61, the lifting frame 64 is in a door frame structure, the lower end of the lifting frame 64 is connected with the workbench 1 outside the supporting roller 7, a sliding block 63 is slidably arranged in the lifting frame 64, the lifting roller 8 is vertically arranged on the sliding block 63, the lead screw 62 is threaded into the upper end of the lifting frame 64 and is threadedly connected with the lifting frame 64, and the threaded end is rotatably connected with the sliding block 63, and the hand wheel 61 is arranged on the upper end of the lead screw 62. Those skilled in the art can understand that the structure further defines the specific composition of the lifting assembly, and the lifting assembly 6 actually preferably comprises the lifting frame 64, the lead screw 62 and the hand wheel 61, and the lifting frame 64 is further preferably in a door frame structure, the lower end of the lifting frame 64 is connected with the workbench 1 outside the supporting roller 7, the lifting frame 64 is vertically arranged with the supporting roller 7, the sliding block 63 is slidably arranged in the lifting frame 64, so that the sliding block 63 can only slide along the height direction of the lifting frame 64, that is, the height direction of the workbench 1, since the lifting roller 8 is vertically arranged on the sliding block 63, the sliding block 63 can drive the lifting roller 8 to move when the sliding block 63 moves, thereby achieving the purpose of adjusting the distance between the lifting roller 8 and the supporting roller 7. In order to facilitate the movement of the sliding block 63, the lead screw 62 is threaded into the upper end of the lifting frame 64 and is threadedly connected with the lifting frame 64, since the sliding block 63 can only slide and cannot rotate, and the threaded end of the lead screw 62 is rotatably connected with the sliding block 63, and the hand wheel 61 is arranged on the upper end of the lead screw 62, actually rotating the hand wheel 61 can drive the lead screw to rotate, achieving the purpose of moving the sliding block 63 up and down, and this structure is similar to the structure of adjusting the opening degree of a gate valve body.

[0027] Preferably, the workbench 1 is provided with a receiving groove 12 in the middle, and the upper end of the receiving groove 12 is sleeved on the lower part of the cutter 3. Those skilled in the art can understand that in order to facilitate the collection of the steel fibers after shearing, the workbench 1 is actually provided with a receiving groove 12 in the middle, and the upper end of the receiving groove 12 is sleeved on the lower part of the cutter 3, so that the steel fibers after being cut by the cutter 3 can fall along the receiving groove 12, facilitating collection.

Claims

1. A steel fiber shaving machine, comprising a worktable (1), a motor (2), and a cutter (3), wherein the motor (2) is mounted on the worktable (1) and drives the cutter (3) to rotate, characterized in that: It also includes a speed reducer (10) and a roller (7). The speed reducer (10) is set on the upper end of the workbench (1). The input shaft of the speed reducer (10) is connected to the rotating shaft of the motor (2) at the outer end of the cutter (3). The output shaft of the speed reducer (10) is set perpendicular to the input shaft. The roller (7) is set on the output shaft of the speed reducer (10) and is set directly opposite to the cutter (3).

2. The steel fiber shaving machine as described in claim 1, characterized in that: It also includes a cutter disc (4), which is coaxially arranged with the cutter (3) and close to the cutter (3). The outer edge of the cutter disc (4) is provided with a feed port facing the cutter (3).

3. The steel fiber shaving machine as described in claim 2, characterized in that: It also includes a gear pair (5), one gear of which is mounted on the motor (2) shaft and the other gear is mounted on the cutter (3) shaft.

4. The steel fiber shaving machine as described in claim 3, characterized in that: It also includes a spring (11), which is sleeved on the shaft of the cutter (3), and one end is connected to the gear of the gear pair (5) sleeved on the shaft of the cutter (3), and the other end is in contact with the side wall of the cutter (3).

5. The steel fiber shaving machine as described in claim 1, characterized in that: It also includes a guide block (9), which is set at the feed end of the workbench (1) and has a strip hole on it, which is directly opposite the cutter (3).

6. The steel fiber shaving machine as described in claim 1, characterized in that: It also includes a lifting roller (8), which is spaced apart from the support roller (7) in the height direction of the worktable (1).

7. The steel fiber shaving machine as described in claim 6, characterized in that: It also includes a lifting assembly (6), which can adjust the distance between the lifting roller (8) and the idler roller (7).

8. The steel fiber shaving machine as described in claim 7, characterized in that: The lifting assembly (6) includes a lifting frame (64), a lead screw (62), and a handwheel (61). The lifting frame (64) is a door frame structure. The lower end of the lifting frame (64) is connected to the worktable (1) outside the roller (7). A sliding block (63) is slidably arranged inside the lifting frame (64). The lifting roller (8) is vertically arranged on the sliding block (63). The lead screw (62) passes through the upper end of the lifting frame (64) and is threadedly connected to the sliding block (63). The handwheel (61) is arranged at the upper end of the lead screw (62), and the lead screw (62) is threadedly connected to the lifting frame (64).

9. The steel fiber shaving machine as described in claim 1, characterized in that: The workbench (1) is provided with a receiving groove (12) in the middle, and the upper end of the receiving groove (12) is sleeved on the lower part of the cutter (3).

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