Quick shearing mechanism for air conditioner wire harness

Abstract

The utility model provides a quick shearing mechanism for an air conditioner wire harness, which comprises a shearing box, a transmission assembly is arranged in the shearing box, and a shearing assembly is arranged in the shearing box and behind the transmission assembly; the conveying assembly comprises a bottom bracket arranged at the bottom of the inner wall of the shearing box. According to the quick shearing mechanism for the air conditioner wiring harness, the output end of the driving motor rotates to drive the special-shaped gear to rotate, then the guide block is driven to move forwards when the special-shaped gear is meshed with the tooth block, the saw blade is driven to move forwards to cut the wiring harness, and after the special-shaped gear is meshed with the tooth block, the saw blade is driven to cut the wiring harness. The guide block is pulled back to the rear side through the reset spring, then the saw blade moves backwards, transmission of the wire harness is prevented from being affected, adjustment of wire harness length cutting can be achieved only by adjusting the intermittent time of the stepping motor, the structure is simple and practical, and fast and convenient wire harness cutting of a certain length can be achieved conveniently.

Description

Technical Field

[0001] The utility model relates to the field of sheath shearing of air-conditioning wire harnesses, in particular to a quick shearing mechanism for air-conditioning wire harnesses. Background Art

[0002] Air conditioning is an air conditioner, which is a device that uses artificial means to adjust and control the temperature, humidity, flow rate and other parameters of the ambient air in a building or structure. It generally includes cold source / heat source equipment, cold and hot medium distribution system, and is mainly composed of a refrigeration host, water pump, fan and pipeline system. The terminal device is responsible for using the cold and hot water distributed to specifically process the air state so that the air parameters of the target environment meet certain requirements.

[0003] The sheath of the wire harness is an important part of the wire harness, which mainly plays the role of wear resistance, flame retardancy, corrosion resistance, interference prevention, noise reduction, and beautification of appearance. Depending on the working environment and space size, the sheath material and wrapping method of the wire harness will also be different.

[0004] For the air conditioning system, the role of the air conditioning harness cannot be ignored. It ensures the safety and stability of the internal harness components of the air conditioner, thereby ensuring the normal operation of the air conditioning system. Therefore, when selecting the air conditioning harness, it is necessary to select suitable materials according to the actual situation and needs to ensure that it can effectively play a protective role. In the related art, for the cutting of the internal harness of the air conditioner, it is generally necessary to mark the long harness first, and then use scissors or saw blades to cut the marked part. This process is time-consuming and labor-intensive, and there are certain errors in manual marking and cutting, and the cutting effect is poor.

[0005] Therefore, it is necessary to provide a quick cutting mechanism for air conditioning wiring harness to solve the above technical problems. Utility Model Content

[0006] The utility model provides a quick cutting mechanism for air conditioner wire harnesses, which solves the problem in the related art that some existing cutting devices for air conditioner wire harnesses are not convenient for realizing quick and convenient quantitative cutting when in use.

[0007] In order to solve the above technical problems, the utility model provides a quick cutting mechanism for air conditioner wiring harness, comprising: a cutting box, a transmission component is arranged inside the cutting box, and a cutting component is arranged inside the cutting box and behind the transmission component;

[0008] The transmission assembly includes a bottom bracket arranged at the bottom of the inner wall of the shear box, a lower transmission wheel is arranged on the top of the bottom bracket, a stepper motor for driving the lower transmission wheel to rotate is arranged at the middle part of the top of the bottom bracket, and the rear end of the lower transmission wheel is connected to the output end belt on the back of the stepper motor;

[0009] The shearing assembly includes a saw blade that can slide back and forth and is arranged on the top of the inner wall of the shearing box. A sliding frame is arranged on the top of the inner wall of the shearing box. A guide block is arranged on the inner side of the sliding frame that can slide back and forth. The right side of the guide block is fixedly connected to the left side of the saw blade.

[0010] Preferably, a tooth block is arranged on the left side of the guide block, and a return spring is arranged on the back side of the guide block and on the inner side of the sliding frame.

[0011] Preferably, the shear assembly also includes a special-shaped gear which is vertically rotatable and arranged on the top of the inner wall of the shear box, the top of the special-shaped gear passes through the inner wall of the shear box and extends to its top, and a driving motor is arranged at the top of the special-shaped gear and at the top of the shear box.

[0012] Preferably, the transmission component also includes an adjustment frame arranged on the top of the inner wall of the shear box and located directly above the bottom bracket, and an upper transmission wheel is provided on the inner side of the adjustment frame so as to slide up and down, and a wiring harness is tightly fitted between the upper transmission wheel and the lower transmission wheel.

[0013] Preferably, an opening for discharging waste chips is provided at the bottom of the inner wall of the shear box, the bottom of the shear box is connected to a waste box, a handle is provided on the front of the waste box, and a wire inlet is provided on the left side of the shear box.

[0014] Preferably, a collecting box is provided at the bottom of the right side of the shearing box, and a universal wheel is provided at the bottom of the waste box.

[0015] Compared with the related art, the quick cutting mechanism for air conditioner wiring harness provided by the utility model has the following beneficial effects:

[0016] The utility model provides a quick shearing mechanism for air-conditioning wire harnesses, which drives the rotation of the special-shaped gear by the rotation of the output end of the driving motor, and then drives the guide block to move forward when the special-shaped gear is engaged with the tooth block, and drives the saw blade to move forward to cut the wire harness; after the special-shaped gear is engaged with the tooth block, the guide block is pulled back to the rear side by the setting of the reset spring, and then the saw blade moves backward to avoid affecting the transmission of the wire harness, and the wire harness cutting length can be adjusted by adjusting the intermittent time of the stepping motor. The structure is simple and practical, and it is easy to realize fast and convenient cutting of a certain length of wire harness. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A structural schematic diagram of a preferred embodiment of a quick cutting mechanism for air conditioner wiring harness provided by the utility model;

[0018] Figure 2 for Figure 1 The schematic diagram of the internal structure of the shear box is shown;

[0019] Figure 3 for Figure 2 The schematic diagram of the structure of the lower transmission wheel part is shown;

[0020] Figure 4 for Figure 2 The structural schematic diagram of the saw blade shown in the right view;

[0021] Figure 5 for Figure 4 Schematic diagram of the structure of the rear view of the saw blade portion shown.

[0022] Numbers in the figure: 1. Shearing box; 2. Transmission assembly; 21. Bottom bracket; 22. Lower transmission wheel; 23. Stepper motor; 24. Adjustment frame; 25. Upper transmission wheel; 26. Wiring harness; 3. Shearing assembly; 31. Saw blade; 32. Sliding frame; 33. Guide block; 34. Gear block; 35. Reset spring; 36. Special-shaped gear; 37. Drive motor; 4. Waste box; 5. Handle; 6. Wire inlet; 7. Collection box; 8. Universal wheel. DETAILED DESCRIPTION

[0023] The utility model is further described below in conjunction with the accompanying drawings and implementation modes.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in Figure 1 A structural schematic diagram of a preferred embodiment of a quick cutting mechanism for air conditioner wiring harness provided by the utility model; Figure 2 for Figure 1 The schematic diagram of the internal structure of the shear box is shown; Figure 3 for Figure 2 The schematic diagram of the structure of the lower transmission wheel part is shown; Figure 4 for Figure 2 The structural schematic diagram of the saw blade shown in the right view; Figure 5 for Figure 4 The schematic diagram of the structure of the rear view of the saw blade part is shown, and a quick cutting mechanism for air conditioner wiring harness comprises: a cutting box 1, a transmission component 2 is arranged inside the cutting box 1, and a cutting component 3 is arranged inside the cutting box 1 and behind the transmission component 2;

[0025] The transmission assembly 2 includes a bottom bracket 21 disposed at the bottom of the inner wall of the shear box 1, a lower transmission wheel 22 is disposed at the top of the bottom bracket 21, a stepper motor 23 for driving the lower transmission wheel 22 to rotate is disposed at the middle part of the top of the bottom bracket 21, and the rear end of the lower transmission wheel 22 is connected to the output end belt on the back of the stepper motor 23;

[0026] There are two complete transmission components 2 on the left and right sides of the cutting box 1, and a third bottom bracket 21 and a lower transmission wheel 22 are provided inside the cutting box 1 near the wire outlet to support the wire harness sheath on the side to be cut after cutting is completed; the lower transmission wheel 22 is driven to rotate by the intermittent operation of the stepper motor 23, thereby transmitting the wire harness 26.

[0027] The shearing assembly 3 includes a saw blade 31 which can slide back and forth and is arranged on the top of the inner wall of the shearing box 1. A sliding frame 32 is arranged on the top of the inner wall of the shearing box 1. A guide block 33 is arranged on the inner side of the sliding frame 32 which can slide back and forth. The right side of the guide block 33 is fixedly connected to the left side of the saw blade 31.

[0028] The intermittently transmitted wire harness 26 is cut by the forward and backward sliding of the saw blade 31 .

[0029] A tooth block 34 is disposed on the left side of the guide block 33 , and a return spring 35 is disposed on the back side of the guide block 33 and on the inner side of the sliding frame 32 .

[0030] The shearing assembly 3 also includes a vertically rotatable special-shaped gear 36 arranged on the top of the inner wall of the shearing box 1. The top of the special-shaped gear 36 passes through the inner wall of the shearing box 1 and extends to its top. A driving motor 37 is arranged at the top of the special-shaped gear 36 and located at the top of the shearing box 1.

[0031] The rotation of the output end of the driving motor 37 drives the rotation of the special-shaped gear 36, and then drives the guide block 33 to move forward when it is engaged with the tooth block 34, and drives the saw blade 31 to move forward to cut the wiring harness 26. After the special-shaped gear 36 is engaged with the tooth block 34, the guide block 33 is pulled back to the rear side by the setting of the reset spring 35, and then the saw blade 31 moves backward, avoiding affecting the transmission of the wiring harness 26.

[0032] The transmission component 2 also includes an adjustment frame 24 arranged on the top of the inner wall of the shear box 1 and located directly above the bottom bracket 21. An upper transmission wheel 25 is slidably arranged on the inner side of the adjustment frame 24, and a wiring harness 26 is tightly fitted between the upper transmission wheel 25 and the lower transmission wheel 22.

[0033] For fixing the wire harness 26 of different diameters, such as Figure 3 As shown, the upper transmission wheel 25 is fixed by moving it up and down and then rotating the loose nut.

[0034] An opening for discharging waste is provided at the bottom of the inner wall of the shear box 1 , and a waste box 4 is connected to the bottom of the shear box 1 . A handle 5 is provided on the front of the waste box 4 , and a wire inlet 6 is provided on the left side of the shear box 1 .

[0035] By arranging the wire inlets 6 from large to small, it is convenient for workers to insert one end of the wire harness 26, and by arranging the waste box 4, the waste generated when the saw blade 31 is working will fall into the waste box 4 at the bottom, which is convenient for centralized processing.

[0036] A collecting box 7 is arranged at the bottom of the right side of the shearing box 1 , and a universal wheel 8 is arranged at the bottom of the waste box 4 .

[0037] The working principle of a quick cutting mechanism for air conditioner wiring harness provided by the utility model is as follows:

[0038] Step 1: When in use, adjust the height position of the upper transmission wheel 25 on the adjustment frame 24 according to the diameter of the wire harness 26. After the adjustment, fix it by turning the loose nut. The intermittent operation of the stepper motor 23 drives the rotation of the lower transmission wheel 22, thereby transmitting the wire harness 26. The length of the wire harness 26 can be adjusted by adjusting the intermittent time of the stepper motor 23.

[0039] Step 2: The rotation of the output end of the driving motor 37 drives the rotation of the special-shaped gear 36, and then drives the guide block 33 to move forward when it is engaged with the tooth block 34, and drives the saw blade 31 to move forward to cut the wire harness 26. After the special-shaped gear 36 is engaged with the tooth block 34, the guide block 33 is pulled back to the rear side by the setting of the reset spring 35, and then the saw blade 31 moves backward, avoiding affecting the transmission of the wire harness 26.

[0040] Compared with the related art, the quick cutting mechanism for air conditioner wiring harness provided by the utility model has the following beneficial effects:

[0041] The rotation of the output end of the driving motor 37 drives the rotation of the special-shaped gear 36, and then drives the guide block 33 to move forward when it is engaged with the tooth block 34, and drives the saw blade 31 to move forward to cut the wire harness 26. After the special-shaped gear 36 is engaged with the tooth block 34, the guide block 33 is pulled back to the rear side by the setting of the reset spring 35, and then the saw blade 31 moves backward to avoid affecting the transmission of the wire harness 26. The length of the wire harness 26 can be adjusted by adjusting the intermittent time of the stepper motor 23. The structure is simple and practical, and it is easy to realize fast and convenient cutting of a certain length of the wire harness foreskin.

[0042] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A quick cutting mechanism for air conditioner wiring harness, characterized in that: include: A shear box (1), wherein a transmission component (2) is arranged inside the shear box (1), and a shear component (3) is arranged inside the shear box (1) and behind the transmission component (2); The transmission assembly (2) comprises a bottom bracket (21) arranged at the bottom of the inner wall of the shear box (1), a lower transmission wheel (22) is arranged at the top of the bottom bracket (21), a stepping motor (23) for driving the lower transmission wheel (22) to rotate is arranged at the middle part of the top of the bottom bracket (21), and the rear end of the lower transmission wheel (22) is connected to the output end belt on the back of the stepping motor (23); The shearing assembly (3) comprises a saw blade (31) which is slidable forward and backward and is arranged on the top of the inner wall of the shearing box (1); a sliding frame (32) is arranged on the top of the inner wall of the shearing box (1); a guide block (33) is arranged on the inner side of the sliding frame (32) which is slidable forward and backward; the right side of the guide block (33) is fixedly connected to the left side of the saw blade (31).

2. The quick cutting mechanism for air conditioner wiring harness according to claim 1, characterized in that: A tooth block (34) is arranged on the left side of the guide block (33), and a return spring (35) is arranged on the back side of the guide block (33) and on the inner side of the sliding frame (32).

3. The quick cutting mechanism for air conditioner wiring harness according to claim 1, characterized in that: The shearing assembly (3) further comprises a special-shaped gear (36) which is vertically rotatable and arranged at the top of the inner wall of the shearing box (1); the top end of the special-shaped gear (36) penetrates the inner wall of the shearing box (1) and extends to the top thereof; a driving motor (37) is arranged at the top of the special-shaped gear (36) and at the top of the shearing box (1).

4. The quick cutting mechanism for air conditioner wiring harness according to claim 1, characterized in that: The transmission assembly (2) further comprises an adjustment frame (24) arranged on the top of the inner wall of the shear box (1) and located directly above the bottom bracket (21); an upper transmission wheel (25) is arranged on the inner side of the adjustment frame (24) so ​​as to be able to slide up and down; a wiring harness (26) is tightly fitted between the upper transmission wheel (25) and the lower transmission wheel (22).

5. The quick cutting mechanism for air conditioner wiring harness according to claim 1, characterized in that: The bottom of the inner wall of the shear box (1) is provided with an opening for discharging waste chips, the bottom of the shear box (1) is connected to a waste box (4), a handle (5) is provided on the front of the waste box (4), and a wire inlet (6) is provided on the left side of the shear box (1).

6. The quick cutting mechanism for air conditioner wiring harness according to claim 5, characterized in that: A collecting box (7) is arranged at the bottom of the right side of the shear box (1), and a universal wheel (8) is arranged at the bottom of the waste box (4).

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