CN110335723B - A device for forming the end of a wire harness and a heat-shrinkable tube - Google Patents

Abstract

The invention discloses a forming device for a wire harness end part and a heat shrinkable tube, which relates to the field of wire harness processing equipment and comprises a frame arranged on the floor of a workshop, the rack is provided with a transmission assembly, the transmission assembly is provided with a plurality of wire harness frames with the same structure, the wire harness frame can tighten the wire harness of which two ends are sleeved with the heat shrink tubes, the rack is provided with a discharging component which can discharge the tightened wire harness on the wire harness frame and a driving component which provides power for the transmission component, the device can tighten the wire harnesses sleeved with the heat shrinkable tubes with different lengths in the heating process through the wire harness frame, thereby guarantee that the pencil can not take place the distortion after the pyrocondensation pipe heating shrinkage, still make pencil both ends can heat simultaneously under a heating wind gap in addition.

Description

A device for forming the end of a wire harness and a heat-shrinkable tube

technical field

The invention relates to the field of wire harness processing equipment, in particular to a forming device for a wire harness end and a heat shrinkable tube.

Background technique

The heat shrinkable tube is a special polyolefin material heat shrinkable sleeve. The outer layer is made of high-quality soft cross-linked polyolefin material and the inner layer of hot melt adhesive. Characteristics, the inner layer has the advantages of low melting point, waterproof sealing and high adhesiveness. harness. In the prior art, the wire harness after the shrinkage of the heat-shrinkable tube will be twisted, resulting in the failure of the wire harness, and the heat-shrinkable tubes at both ends of the wire harness need to be heated separately or provided with two heating tuyere.

SUMMARY OF THE INVENTION

The object of the present invention is to provide a forming device for the end of the wire harness and the heat shrinkable tube, so as to solve the problem that the wire harness after the heat shrinkable tube is spliced will be twisted after the shrinkage of the heat shrinkable tube, resulting in the defective wire harness and the heat at both ends of the wire harness. The shrinking tube needs to be heated separately or set up two heating tuyere defects.

A device for forming a wire harness end and a heat shrinkable tube, characterized in that it comprises a frame placed on the floor of a workshop, a transmission assembly is installed on the frame, and a plurality of wire harness racks with the same structure are installed on the transmission assembly , the wire harness frame can tighten the wire harness covered with heat shrinkable tubes at both ends, and the frame is equipped with a discharge assembly that can unload the tightened wire harness on the wire harness frame and a drive assembly that provides power for the transmission assembly , the frame is fixedly connected with a heating assembly capable of heating the wire harness covered with heat shrinkable tubes at both ends. Preferably, the transmission assembly includes a chain plate and a driving roller, a supporting roller and a driven roller all rotatably connected to the frame, the chain plate is sleeved on the driving roller, the supporting roller and the driven roller, the driving roller Both ends of the roller and the driven roller are connected with sprockets, and the sprockets are engaged with the chain plates.

Preferably, the wire harness frame includes a base block 1 and a base block 2 that are fixedly connected to the chain plate, the base block 1 is provided with a chute and a circular hole, and the chute on the base block 1 is slidably connected with A slider, which is provided with a harness groove and is fixedly connected with a push rod, the push rod is inserted into a circular hole on the first base block and a tension spring is sleeved on it, and the push rod is The end is screwed with a push plate, the second base block is a cavity structure, and the bottom of the base block is fixedly connected with two sleeve rods with the same structure, the sleeve rods are sleeved with a return spring and a bracket, and the bracket is provided with a trapezoid A slot and two hanging rods are provided, and a pressing piece is inserted into the second base block and the bracket.

Preferably, the drive assembly comprises a third gear connected to the driving roller, a second gear rotatably connected to the frame, and a motor mounted on the frame, the output shaft of the motor is connected with a first gear, and the gear Both gear one and gear three mesh with gear two. Preferably, the unloading assembly includes an air cylinder installed on the frame, and a runner is rotatably connected to the telescopic rod of the air cylinder.

Preferably, the heating assembly includes two installation rods that are fixedly connected to the frame, a heating tuyere is fixedly connected to the installation rods, and an air inlet pipe is fixedly connected to the heating tuyere.

The advantage of the present invention is that: in the present invention, a device for forming the end of the wire harness and the heat shrinkable tube can make the wire harnesses of different lengths sleeved with the heat shrinkable tube tightened during the heating process through the wire harness frame. After heating and shrinking, the wire harness will not be twisted. In addition, both ends of the wire harness can be heated at the same time under a heating tuyere. The processed wire harness is automatically removed from the wire harness frame through the unloading assembly, which reduces the amount of manual work. The transmission components of the chain drive are used to ensure the stability and reliability of the wire harness transmission process.

Description of drawings

FIG. 1 is a schematic structural diagram of the present invention. Figure 2 is a schematic diagram of the structure of the wire harness frame. FIG. 3 is a cross-sectional view of section A in FIG. 2 . Figure 4 is a schematic diagram of the internal structure of the wire harness frame.

Figure 5 is a schematic view of the structure of the unloading assembly. Among them, 1-frame, 2-transmission assembly, 21-chain plate, 3-wire harness frame, 30-press piece, 31-base block one, 311-chute, 312-round hole, 32-base block two, 33 -Slider, 331- Harness Slot, 34- Push Rod, 35- Tightening Spring, 36- Push Plate, 37- Sleeve Rod, 38- Return Spring, 39- Bracket, 391- Trapezoidal Slot, 392- Hanging Rod, 4 - Unloading assembly, 41- cylinder, 42- runner, 5- drive assembly, 51- motor, 52- gear one, 53- gear two, 54- gear three, 6- heating assembly, 61- mounting rod, 62- Heating tuyere, 63-air intake pipe, 7-wire harness, 8-heat shrink tube.

Detailed ways

In order to make the technical means, creative features, achievement goals and effects realized by the present invention easy to understand, the present invention will be further described below with reference to the specific embodiments.

As shown in FIG. 1 to FIG. 5 , a device for forming a wire harness end and a heat shrinkable tube includes a rack 1 placed on the floor of a workshop, a transmission assembly 2 is installed on the rack 1, and the transmission assembly 2 A number of wire harness frames 3 with the same structure are installed on the frame. The wire harness frame 3 can tighten the wire harnesses 7 with heat shrinkable tubes 8 at both ends. 7. The unloading assembly 4 and the driving assembly 5 for providing power to the transmission assembly 2 are removed. The frame 1 is fixedly connected with a heating assembly 6 that can heat the wire harness 7 with the heat shrinkable tubes 8 covered at both ends.

In this embodiment, the transmission assembly 2 includes a chain plate 21 and a driving roller, a supporting roller and a driven roller all rotatably connected to the frame 1, and the chain plate 21 is sleeved on the driving roller, the supporting roller and the driven roller. On the driving roller, both ends of the driving roller and the driven roller are connected with sprockets, and the sprockets are engaged with the chain plate 21 .

In this embodiment, the wire harness frame 3 includes a first base block 31 and a second base block 32 that are fixedly connected to the chain plate 21. The first base block 31 is provided with a chute 311 and a circular hole 312. A slider 33 is slidably connected to the chute 311 on the block one 31. The slider 33 is provided with a harness groove 331 and a push rod 34 is fixedly connected to it. The push rod 34 is inserted into the base block one 31. A tension spring 35 is sleeved in the circular hole 312 of the first block, the end of the push rod 34 is threadedly connected with a push plate 36, the base block 32 is a cavity structure, and its bottom is fixedly connected with two same structure. The sleeve rod 37, the sleeve rod 37 is sleeved with a return spring 38 and a bracket 39, the bracket 39 is provided with a trapezoidal groove 391 and two hanging rods 392, and the base block 32 and the bracket 39 are inserted with Tablet 30.

In this embodiment, the drive assembly 5 includes a third gear 54 connected to the driving roller, a second gear 53 rotatably connected to the frame, and a motor 51 installed on the frame 1. The output shaft of the motor 51 A gear one 52 is connected to the top, and both the gear one 52 and the gear three 54 mesh with the gear two 53 .

In this embodiment, the unloading assembly 4 includes a cylinder 41 mounted on the frame 1, and a runner 42 is rotatably connected to the telescopic rod of the cylinder.

In this embodiment, the heating assembly 6 includes two installation rods 61 fixedly connected to the rack 1 , the installation rods 61 are fixedly connected with a heating air outlet 62 , and the heating air outlet 62 is fixedly connected with an air intake pipe 63.

Working process and principle: When the device is in use, the motor 51 and the cylinder 41 are connected to the power supply with switch in the workshop, and the intake pipe 63 is connected to the hot air generating device in the workshop. When working, the operator first starts the cylinder 41, the telescopic rod of the cylinder 41 and the The rotating wheel 42 connected to the telescopic rod stretches forward, and then the operator buckles the middle part of the wire harness 7 with the upper heat shrinkable tube 8 sleeved on both ends to the wire harness groove 331 on the slider 33, and the wire harness 7 is two. The end is hung on the hanging rod 392, and the wire harness 7 is tightened on the slider 33 and the bracket 39 under the elastic force of the tension spring 35, and then the motor 51 is started, and the gear one 52 on the output shaft of the motor 51 drives the gear The second 53 rotates, the second gear 53 drives the third gear 54 to rotate, the driving roller connected with the third gear 54 and the sprocket connected with the driving roller rotate with the third gear 54, and the chain plate 21 and the chain plate 21 meshing with the chain wheel are installed on the The wire harness frame 3 moves with the sprocket, and when the wire harness 7 with the heat shrinkable tube 8 sleeved on the wire harness frame 3 is transferred to the heating tuyere 62, the heat shrinkable tube 8 shrinks on the wire harness 7 under the action of hot air. The wire harness 7 is in a taut state, so that the heat shrinkable tube 8 will not be twisted during the shrinkage process. Then, when the wire harness frame 3 passes the position of the unloading assembly 4, the slider 33 is pushed forward by the runner 42 along the axis of the push rod 34 and pushed forward. The push rod 34 connected to the slider 33 and the push plate 36 connected to the push rod 34 are driven to move together, the pressing piece 30 is pushed forward by the push plate 36 and pushes the bracket 39 by the thrust generated by the inclined surface of the trapezoidal groove 391 on the bracket 39 Pressing down, the two ends of the wire harness 7 are disengaged from the hanging rods 392 on the bracket 39 , so that the processed wire harness 7 is automatically removed from the wire harness frame 3 .

It is known from the technical common sense that the present invention can be realized by other embodiments without departing from its spirit or essential characteristics. Accordingly, the above-disclosed embodiments are, in all respects, illustrative and not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are encompassed by the present invention.

Claims (3)

1. A device for forming a wire harness end and a heat-shrinkable tube, characterized in that it comprises a frame (1) placed on the floor of a workshop, a transmission assembly (2) is mounted on the frame (1), and the A plurality of wire harness frames (3) with the same structure are installed on the transmission assembly (2), the wire harness frames (3) can tighten the wire harness (7) covered with heat shrink tubes (8) at both ends, and the frame ( 1) An unloading assembly (4) that can remove the taut wire harness (7) on the wire harness frame (3) and a drive assembly (5) that provides power for the transmission assembly (2) are installed, and the frame ( 1) A heating assembly (6) capable of heating the wire harness (7) covered with heat shrinkable tubes (8) at both ends is fixedly connected to it; The transmission assembly (2) comprises a chain plate (21), a driving roller, a supporting roller and a driven roller all rotatably connected to the frame (1), and the chain plate (21) is sleeved on the driving roller and the supporting roller and on the driven roller, both ends of the driving roller and the driven roller are connected with sprockets, and the sprockets are engaged with the chain plate (21); The wire harness frame (3) includes a base block one (31) and a base block two (32) fixedly connected to the chain plate (21), and the base block one (31) is provided with a chute (311) and a circular A hole (312), a slider (33) is slidably connected in the chute (311) on the first base block (31), the slider (33) is provided with a harness slot (331) and is fixedly connected thereon There is a push rod (34), the push rod (34) is inserted into the circular hole (312) on the first base block (31), and a tension spring (35) is sleeved on the push rod (34). ) end is threadedly connected with a push plate (36), the second base block (32) is a cavity structure and the bottom is fixedly connected with two sleeve rods (37) with the same structure, the sleeve rods (37) are sleeved on A return spring (38) and a bracket (39) are connected, the bracket (39) is provided with a trapezoidal groove (391) and two hanging rods (392), the second base block (32) and the bracket (39) are inserted A pressing piece (30) is connected; The unloading assembly (4) comprises an air cylinder (41) mounted on the frame (1), and a runner (42) is rotatably connected to the telescopic rod of the air cylinder. 2. A device for forming a wire harness end and a heat-shrinkable tube according to claim 1, wherein the drive assembly (5) comprises a third gear (54) connected to the driving roller, rotatably connected to the machine The second gear (53) on the frame and the motor (51) installed on the frame (1), the output shaft of the motor (51) is connected with a gear one (52), the gear one (52) and the gear All three (54) mesh with gear two (53). 3. A device for forming a wire harness end and a heat shrinkable tube according to claim 1, wherein the heating assembly (6) comprises two mounting rods (61) fixedly connected to the frame (1) ), a heating tuyere (62) is fixedly connected to the installation rod (61), and an air inlet pipe (63) is fixedly connected to the heating tuyere (62).

Images