Vibration cutter

Abstract

The utility model relates to the technical field of cutters, in particular to a vibration cutter which comprises a control box, a transmission box is fixedly connected to the bottom of the control box, a shell is fixedly connected to the bottom of the transmission box, and a top cover is connected to the bottom of the shell in a clamped mode. The vibration cutter has the advantages that when the vibration cutter works, noise can be reduced by the aid of the mute motor, vibration generated during rotation of the mute motor can be transmitted to the damping support, the vibration of the motor can be reduced by the aid of matching of the spring and the damper, noise can be further reduced, and the vibration cutter is convenient to use. Meanwhile, the soundproof frame can cover the exterior of the mute motor until the positioning pin moves into the positioning hole, the assembling plate is fixed to the transmission box through the fastening bolt, transmission of noise of the motor can be blocked through the soundproof frame, noise generated when the vibration cutter works can be greatly reduced through multiple noise reduction means, and the noise reduction effect is good. And the working performance of the vibration cutter can be greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of cutters, in particular to a vibrating cutter. Background Art

[0002] Vibrating cutters are often used to cut flexible materials. The part that directly cuts in a vibrating cutter is the blade, which is fixedly connected to the cutter bar. The cutter bar rotates at high speed and vibrates up and down, driving the blade to rotate and move up and down in a compound motion.

[0003] For example, a vibration tool with publication number CN214213958U, the vibration tool provided by the present application comprises a tool bar, a blade, a rotary tool motor, an eccentric shaft, and a vibration motor. Among them, the upper end of the tool bar is connected to the driving shaft of the rotary tool motor and rotates under the drive of the rotary tool motor; the blade is installed at the lower end of the tool bar; the outer wall of the middle part of the tool bar is provided with an annular groove; the driving shaft of the vibration motor is connected to the eccentric shaft and controls the rotation of the eccentric shaft, the end of the eccentric shaft away from the vibration motor is located in the annular groove, and the eccentric shaft controls the reciprocating movement of the tool bar up and down through its own rotational motion.

[0004] The above-mentioned vibrating tool still has the following shortcomings in actual use: when the above-mentioned vibrating tool is used, the motor rotates its output end to drive the tool rod to reciprocate up and down through the crank-connecting rod mechanism, and then drive the blade to reciprocate. The speed of the motor is usually high when rotating, so it will generate a lot of noise, which will cause noise pollution. Therefore, a vibrating tool is needed to solve the above problems. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the present invention is to provide a vibrating tool to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of one aspect of the utility model provides a vibrating tool, including a control box, a transmission box is fixedly connected to the bottom of the control box, a shell is fixedly connected to the bottom of the transmission box, a top cover is clamped on the bottom of the shell, a knife rod is slidably connected to the inside of the shell, a blade is fixedly connected to the bottom of the knife rod, a noise reduction component is arranged on the side of the transmission box, the noise reduction component includes a mounting plate fixedly connected to the control box, a spring is fixedly connected to one side of the mounting plate, a shock-absorbing bracket is fixedly connected to one side of the spring, a damper is arranged between the shock-absorbing bracket and the mounting plate, a clamp is fixedly connected to one side of the shock-absorbing bracket, a silent motor is arranged on the inner wall of the clamp, and the output end of the silent motor is fixedly connected to a driving shaft, the driving shaft is rotatably connected to the transmission box through a bearing, and the driving shaft is connected to the knife rod through a crank-connecting rod mechanism.

[0008] Preferably, any of the above schemes is that the number of the mounting plates is two, the two mounting plates are linearly arrayed on one side of the control box, and the mounting plate is fixedly connected to the control box by screws. The number of the springs is several, and the several springs are symmetrically distributed on one side of the mounting plate, and the mounting plate is parallel to the shock-absorbing bracket. The base of the damper is fixedly connected to the mounting plate, the output end of the damper is fixedly connected to the shock-absorbing bracket, and the damper is located inside the spring. The technical effect that can be achieved by adopting the above technical scheme is that when the vibrating tool is working, the use of a silent motor can reduce the generation of noise, and the vibration generated by the silent motor when it rotates will be transmitted to the shock-absorbing bracket. Through the cooperation between the spring and the damper, the vibration of the motor can be reduced, and then the noise can be reduced.

[0009] Preferably, the outer surface of the transmission box is slidably connected with an assembly plate, one side of the assembly plate is rotatably connected with a fastening bolt, one side of the transmission box is provided with a threaded hole, the fastening bolt is threadedly connected to the transmission box through the threaded hole, one side of the assembly plate is fixedly connected with a sound insulation frame, and the silent motor is located inside the sound insulation frame. One side of the sound insulation frame is fixedly connected with a positioning pin, the side of the control box is provided with a positioning hole, the positioning pin is slidably connected to the control box through the positioning hole, and the technical effect that can be achieved by adopting the above technical scheme is: at the same time, the sound insulation frame can be covered on the outside of the silent motor until the positioning pin moves into the positioning hole, and the assembly plate is fixed to the transmission box by the fastening bolt, and the sound insulation frame can be set to block the transmission of noise, and the noise generated by the vibration tool during operation can be greatly reduced by multiple noise reduction measures, which can greatly improve the working performance of the vibration tool.

[0010] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0011] When the vibrating tool is working, the use of a silent motor can reduce the generation of noise. At the same time, the vibration generated by the rotation of the silent motor will be transmitted to the shock-absorbing bracket. Through the cooperation between the spring and the damper, the vibration of the motor can be reduced, and then the noise can be reduced. At the same time, the sound insulation frame can be covered on the outside of the silent motor until the positioning pin moves into the positioning hole. The assembly plate is fixed to the transmission box by tightening the bolts. The setting of the sound insulation frame can block the transmission of noise. Through multiple noise reduction measures, the noise generated by the vibrating tool when it is working can be greatly reduced, and the working performance of the vibrating tool can be greatly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the assembly of the utility model;

[0013] Figure 2 This is a schematic diagram of the structure of the vibrating tool of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the noise reduction component of the utility model;

[0015] Figure 4 It is a structural schematic diagram of the sound insulation frame of the utility model.

[0016] In the figure: 1-control box, 2-transmission box, 3-housing, 4-top cover, 5-knife rod, 6-blade, 7-noise reduction component, 701-mounting plate, 702-spring, 703-shock absorbing bracket, 704-damper, 705-clamp, 706-silent motor, 707-drive shaft, 8-assembly plate, 9-fastening bolt, 10-threaded hole, 11-sound insulation frame, 12-locating pin, 13-locating hole. DETAILED DESCRIPTION

[0017] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following.

[0018] like Figures 1 to 4As shown, a vibrating tool comprises a control box 1, a transmission box 2 is fixedly connected to the bottom of the control box 1, a shell 3 is fixedly connected to the bottom of the transmission box 2, a top cover 4 is clamped on the bottom of the shell 3, a knife rod 5 is slidably connected to the inside of the shell 3, a blade 6 is fixedly connected to the bottom of the knife rod 5, a noise reduction component 7 is arranged on the side of the transmission box 2, the noise reduction component 7 comprises a mounting plate 701 fixedly connected to the control box 1, a spring 702 is fixedly connected to one side of the mounting plate 701, a shock absorbing bracket 703 is fixedly connected to one side of the spring 702, a damper 704 is arranged between the shock absorbing bracket 703 and the mounting plate 701, a clamp 705 is fixedly connected to one side of the shock absorbing bracket 703, a silent motor 706 is arranged on the inner wall of the clamp 705, a driving shaft 707 is fixedly connected to the output end of the silent motor 706, the driving shaft 707 is rotatably connected to the transmission box 2 through a bearing, and the driving shaft 707 is connected to the knife rod 5 through a crank connecting rod mechanism.

[0019] As an optional technical solution of the utility model, there are two mounting plates 701, and the two mounting plates 701 are linearly arrayed on one side of the control box 1, and the mounting plates 701 are fixedly connected to the control box 1 by screws. There are several springs 702, and the several springs 702 are symmetrically distributed on one side of the mounting plate 701, and the mounting plate 701 is parallel to the shock-absorbing bracket 703. The base of the damper 704 is fixedly connected to the mounting plate 701, and the output end of the damper 704 is fixedly connected to the shock-absorbing bracket 703. The damper 704 is located inside the spring 702. When the vibrating tool is working, the use of the silent motor 706 can reduce the generation of noise. At the same time, the vibration generated by the silent motor 706 when it rotates will be transmitted to the shock-absorbing bracket 703. Through the cooperation between the spring 702 and the damper 704, the vibration of the motor can be reduced.

[0020] As an optional technical solution of the present utility model, the outer surface of the transmission box 2 is slidably connected with an assembly plate 8, one side of the assembly plate 8 is rotatably connected with a fastening bolt 9, one side of the transmission box 2 is provided with a threaded hole 10, the fastening bolt 9 is threadedly connected to the transmission box 2 through the threaded hole 10, one side of the assembly plate 8 is fixedly connected with a sound insulation frame 11, and the silent motor 706 is located inside the sound insulation frame 11. One side of the sound insulation frame 11 is fixedly connected with a positioning pin 12, and the side of the control box 1 is provided with a positioning hole 13, and the positioning pin 12 is slidably connected to the control box 1 through the positioning hole 13. At the same time, the sound insulation frame 11 can be covered on the outside of the silent motor 706 until the positioning pin 12 moves into the positioning hole 13, and the assembly plate 6 is fixed to the transmission box 2 by the fastening bolt 9. The setting of the sound insulation frame 11 can block the transmission of noise.

[0021] A vibrating tool, the working principle is as follows:

[0022] 1): When the vibrating tool is working, the use of a silent motor 706 can reduce the noise generated. At the same time, the vibration generated when the silent motor 706 rotates will be transmitted to the shock-absorbing bracket 703. Through the cooperation between the spring 702 and the damper 704, the vibration of the motor can be reduced.

[0023] 2): At the same time, the sound insulation frame 11 can be covered on the outside of the silent motor 706 until the positioning pin 12 moves into the positioning hole 13, and then the assembly plate 6 is fixed to the transmission box 2 by tightening the bolts 9. The setting of the sound insulation frame 11 can block the transmission of noise.

[0024] In summary, when the vibrating tool is working, the use of a silent motor 706 can reduce the generation of noise. At the same time, the vibration generated by the rotation of the silent motor 706 will be transmitted to the shock-absorbing bracket 703. Through the cooperation between the spring 702 and the damper 704, the vibration of the motor can be reduced, and then the noise can be reduced. At the same time, the sound insulation frame 11 can be covered on the outside of the silent motor 706 until the positioning pin 12 moves into the positioning hole 13. The assembly plate 6 is fixed to the transmission box 2 by the tightening bolts 9. The sound insulation frame 11 is set to block the transmission of noise. The noise generated by the vibrating tool when it is working can be greatly reduced through multiple noise reduction measures, and the working performance of the vibrating tool can be greatly improved.

Claims

1. A vibrating tool, characterized in that: The invention comprises a control box (1), the bottom of the control box (1) is fixedly connected to a transmission box (2), the bottom of the transmission box (2) is fixedly connected to a housing (3), the bottom of the housing (3) is clamped with a top cover (4), the interior of the housing (3) is slidably connected to a knife bar (5), the bottom of the knife bar (5) is fixedly connected to a blade (6), a noise reduction component (7) is arranged on the side of the transmission box (2), the noise reduction component (7) comprises a mounting plate (701) fixedly connected to the control box (1), one side of the mounting plate (701) is fixedly connected to a spring (702), A shock-absorbing bracket (703) is fixedly connected to one side of the spring (702); a damper (704) is arranged between the shock-absorbing bracket (703) and the mounting plate (701); a clamp (705) is fixedly connected to one side of the shock-absorbing bracket (703); a silent motor (706) is arranged on the inner wall of the clamp (705); a drive shaft (707) is fixedly connected to the output end of the silent motor (706); the drive shaft (707) is rotatably connected to the transmission box (2) via a bearing; and the drive shaft (707) is connected to the knife rod (5) via a crank-connecting rod mechanism.

2. A vibrating tool according to claim 1, characterized in that: The number of the mounting plates (701) is two, and the two mounting plates (701) are linearly arrayed on one side of the control box (1), and the mounting plates (701) are fixedly connected to the control box (1) by screws.

3. A vibrating tool according to claim 2, characterized in that: There are a plurality of springs (702), and the plurality of springs (702) are symmetrically distributed on one side of the mounting plate (701), and the mounting plate (701) is parallel to the shock-absorbing bracket (703).

4. A vibrating tool according to claim 3, characterized in that: The base of the damper (704) is fixedly connected to the mounting plate (701), the output end of the damper (704) is fixedly connected to the shock-absorbing bracket (703), and the damper (704) is located inside the spring (702).

5. A vibrating tool according to claim 4, characterized in that: The outer surface of the transmission box (2) is slidably connected to an assembly plate (8), one side of the assembly plate (8) is rotatably connected to a fastening bolt (9), one side of the transmission box (2) is provided with a threaded hole (10), the fastening bolt (9) is threadedly connected to the transmission box (2) through the threaded hole (10), one side of the assembly plate (8) is fixedly connected to a sound insulation frame (11), and the silent motor (706) is located inside the sound insulation frame (11).

6. A vibrating tool according to claim 5, characterized in that: A positioning pin (12) is fixedly connected to one side of the sound insulation frame (11), a positioning hole (13) is provided on the side of the control box (1), and the positioning pin (12) is slidably connected to the control box (1) through the positioning hole (13).

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