Tension pay-off rack with automatic start-stop function

Abstract

The utility model discloses a tension pay-off rack with automatic start and stop, which relates to the technical field of equipment for automobile production and comprises an alloy frame, guide grooves are distributed on the outer side of the alloy frame in a rectangular manner, positioning holes are formed in the outer sides of the four groups of guide grooves at equal intervals, angle adjusting mechanisms are symmetrically arranged on two sides of the alloy frame, and the angle adjusting mechanisms are arranged on the outer sides of the four groups of guide grooves. The angle adjusting mechanism adjusts the tensity according to the use requirement, then different types of wires are guided and positioned, lifting mechanisms are arranged on the outer sides of the two sets of guide grooves, the lifting mechanisms adjust the conveying height of the wires according to the diameter of the wires and the height of other auxiliary machining equipment, and therefore the conveying efficiency of the wires is improved. And the wire winding and unwinding efficiency is met. In the using process, the moving direction of the arm positioning block and the moving direction of the outer equipment box are vertically guided through the guide rod, in the using process, the height difference and the position of the arm positioning block and the height difference and the position of the outer equipment box are adjusted, and the tension adjusting flexibility of the side guide arm is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile production equipment, in particular to a tension pay-off frame with automatic start and stop. Background Art

[0002] The application of wiring harnesses in automobile industry production is very important. Automobile wiring harnesses are the network body of automobile circuits, connecting the electrical and electronic components of the automobile and enabling them to function. Without wiring harnesses, automobile circuits cannot be assembled or produced normally.

[0003] During the use of the tension pay-off stand, the wire harness is mainly guided by the guide wheel. The diameters of the wire harness vary. During use, the guide wheel angle of the pay-off stand is fixed. During the process of retracting and releasing the wire harness, it is difficult to flexibly adjust the angle and position of the guide wheel. As a result, during operation, the guide wheel may become detached from the guide wheel or even become scattered due to excessive differences in tension. Summary of the invention

[0004] The utility model aims to provide a tension pay-off stand with automatic start and stop function, so as to solve the above-mentioned defects caused by the prior art.

[0005] A tension pay-off stand with automatic start and stop comprises an alloy frame, guide grooves are distributed in rectangular shape on the outer side of the alloy frame, positioning holes are opened at equal intervals on the outer sides of four groups of the guide grooves, angle adjustment mechanisms are symmetrically arranged on both sides of the alloy frame, the angle adjustment mechanisms adjust the tension according to the needs of use, so as to meet the guidance and positioning of different types of wires, wherein lifting mechanisms are arranged on the outer sides of two groups of the guide grooves, the lifting mechanisms adjust the conveying height of the wire according to the diameter of the wire and the height of other auxiliary processing equipment, so as to meet the efficiency of wire collection and release.

[0006] Preferably, the angle adjustment mechanism includes a guide rod, a ball screw, an arm positioning block, a positioning disk body, a fastening hole and a side guide arm. The guide rod is rectangularly distributed on the outside of the guide groove, and the guide rod is connected with the arm positioning block through it. The inner end of the arm positioning block is threadedly connected with a ball screw, and the side bearings on both sides of the arm positioning block are connected to the side guide arms. The positioning disk body is symmetrically connected to both sides of the arm positioning block, and fastening holes are evenly spaced on the outside of the positioning disk body.

[0007] Preferably, a side shaft of the side guide arm is connected with a guide wheel.

[0008] Preferably, the lifting mechanism includes an external equipment box, a wire harness storage tray and a servo motor. The external equipment box is arranged on one side of the guide groove. A guide rod is connected to the outside of the external equipment box. A servo motor is arranged inside the external equipment box. The output end of the servo motor is connected to the wire harness storage tray.

[0009] Preferably, the external equipment box is connected to the outer side of the alloy frame via a guide groove provided on one side.

[0010] Preferably, the positioning plate body is connected to one side of the side guide arm via fastening holes distributed through the outer side.

[0011] Compared with the prior art, the utility model has the following advantages:

[0012] 1. During use, the guide rods are used to vertically guide the moving directions of the arm positioning block and the external equipment box. During use, the height difference and position of the arm positioning block and the external equipment box are adjusted to improve the flexibility of the tension adjustment of the side guide arm. The side guide arm is rotated relative to the outer side of the positioning block to adjust the angle of the side guide arm. The side guide arm and one side of the positioning plate are tightened through the positioning hole.

[0013] 2. The alloy frame positions the two groups of external equipment boxes and wire harness storage trays through rectangular guide grooves, so as to release the wire harnesses in different directions, and adjusts the position of the arm positioning block through the ball screw arranged on the outside. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the utility model.

[0015] Figure 2 It is a schematic diagram of the structure of the alloy frame itself in the utility model.

[0016] Figure 3 It is a schematic diagram of the rotation of the wire wheel in the utility model.

[0017] Figure 4 It is a schematic diagram of the top-sectional structure of the alloy frame in the utility model.

[0018] Figure 5 It is a schematic diagram of the front view structure of the alloy frame in the utility model.

[0019] in:

[0020] 1. Alloy frame; 2. Guide groove; 3. Positioning hole; 4. Guide rod; 5. Ball screw; 6. Arm positioning block; 7. Positioning plate; 8. Fastening hole; 9. Angle adjustment mechanism; 10. Side guide arm; 11. Wire pulley; 12. Lifting mechanism; 13. External equipment box; 14. Wire harness storage tray; 15. Servo motor. DETAILED DESCRIPTION

[0021] 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.

[0022] like Figures 1 to 5 As shown, a tension pay-off stand with automatic start and stop comprises an alloy frame 1, guide grooves 2 are distributed in rectangular shape on the outer side of the alloy frame 1, positioning holes 3 are opened at equal intervals on the outer sides of four groups of the guide grooves 2, angle adjustment mechanisms 9 are symmetrically arranged on both sides of the alloy frame 1, the angle adjustment mechanisms 9 adjust the tension according to the needs of use, so as to meet the guidance and positioning of different types of wires, wherein lifting mechanisms 12 are arranged on the outer sides of two groups of the guide grooves 2, the lifting mechanisms 12 adjust the conveying height of the wire according to the diameter of the wire and the height of other auxiliary processing equipment, so as to meet the efficiency of wire collection and release.

[0023] In this embodiment, the angle adjustment mechanism 9 includes a guide rod 4, a ball screw 5, an arm positioning block 6, a positioning disk body 7, a fastening hole 8 and a side guide arm 10. The guide rod 4 is rectangularly distributed on the outside of the guide groove 2. The guide rod 4 is connected with the arm positioning block 6 through the guide rod 4. The inner end of the arm positioning block 6 is threadedly connected with the ball screw 5. The side guide arms 10 are connected to the bearings on both sides of the arm positioning block 6. The positioning disk body 7 is symmetrically connected on both sides of the arm positioning block 6. The outer side of the positioning disk body 7 is provided with fastening holes 8 at equal intervals. The wire wheel 11 of the same group is vertically lifted and lowered by the ball screw 5.

[0024] In this embodiment, a side shaft of the side guide arm 10 is connected to a wire pulley 11, and the wire pulley 11 is used to guide the wire harness and adjust its tension.

[0025] In this embodiment, the lifting mechanism 12 includes an external equipment box 13, a wire harness storage tray 14 and a servo motor 15. The external equipment box 13 is arranged on one side of the guide groove 2. The outer side of the external equipment box 13 is connected with a guide rod 4. The interior of the external equipment box 13 is provided with a servo motor 15. The output end of the servo motor 15 is connected to the wire harness storage tray 14. The servo motor 15 is used to rotate and store the wire harness storage tray 14.

[0026] In this embodiment, the external device box 13 is connected to the outer side of the alloy frame 1 through a guide groove 2 provided on one side, and the two sides of the alloy frame 1 are guided and positioned by the external device box 13 .

[0027] In this embodiment, the positioning plate body 7 is connected to one side of the side guide arm 10 through the fastening holes 8 distributed through the outer side, and the positioning plate body 7 is used to position the side guide arm 10 to complete the switching of the angle of the side guide arm 10.

[0028] This tension pay-off stand with automatic start and stop includes the following work contents in practical application:

[0029] Step 1: During use, the wire harness is directly wound on the surface of the wire harness storage disk 14, and the wire harness storage disk 14 can be driven by the servo motor 15 to rotate, and the wire harness is firstly wound. During use, the corresponding wire wheel 11 is installed on one side of the side guide arm 10 arranged on both sides according to the direct connection of the wire harness, and the tension of the wire can be adjusted and controlled by the wire wheel 11 arranged on one side;

[0030] Step 2: The operator can rotate the ball screw 5 and use the ball screw 5 to drive the arm positioning block 6 so that the arm positioning block 6 slides outside the guide groove 2, thereby adjusting the height of the arm positioning block 6 and the side guide arms 10 on both sides, and then adjusting the height of the external device box 13 and the wire storage tray 14, and guiding the moving direction of the external device box 13 and the arm positioning block 6 through the guide rod 4 arranged on the outside;

[0031] Step 3: When the height of the external device box 13 needs to be adjusted, the bolt is inserted into the positioning hole 3, and the bottom end of the external device box 13 is positioned and limited. Then, the wire harness is pulled and stored, and the wire harness is directly introduced into the processing equipment. The servo motor 15 drives the wire harness storage disk 14 to rotate in the opposite direction, and then the wire harness wound on the wire harness storage disk 14 is released;

[0032] Step 4: Use the wire wheel 11 set on one side to guide and adjust the tension of the wire harness on one side. When the wire harness is scattered, the rotation of the servo motor 15 can be stopped, and then the servo motor 15 can drive the wire harness storage disk 14 to rotate repeatedly to tighten the wire harness again. The alloy frame 1 can be used to discharge two groups of wire harness storage disks 14 in different directions or the same direction at the same time.

[0033] Therefore, the embodiments disclosed above are only illustrative in all aspects and are not exclusive. All changes within the scope of the present invention or within the scope equivalent to the present invention are included in the present invention.

Claims

1. Tension pay-off stand with automatic start and stop, characterized by: The invention comprises an alloy frame (1), wherein the outer side of the alloy frame (1) is provided with guide grooves (2) in a rectangular shape, and positioning holes (3) are provided at equal intervals on the outer sides of four groups of the guide grooves (2). Angle adjustment mechanisms (9) are symmetrically arranged on both sides of the alloy frame (1), and the angle adjustment mechanisms (9) adjust the tension according to the use requirements, thereby meeting the requirements of guiding and positioning different types of wires. The outer sides of two groups of the guide grooves (2) are provided with lifting mechanisms (12), and the lifting mechanisms (12) adjust the conveying height of the wire according to the diameter of the wire and the height of other auxiliary processing equipment, thereby meeting the efficiency of wire collection and release.

2. The tension pay-off stand with automatic start and stop according to claim 1, characterized in that: The angle adjustment mechanism (9) comprises a guide rod (4), a ball screw (5), an arm positioning block (6), a positioning disc body (7), a fastening hole (8) and a side guide arm (10); the guide rod (4) is rectangularly distributed on the outside of the guide groove (2); the guide rod (4) is connected to the arm positioning block (6); the inner end of the arm positioning block (6) is threadedly connected to the ball screw (5); the bearings on both sides of the arm positioning block (6) are connected to the side guide arms (10); the positioning disc body (7) is symmetrically connected to both sides of the arm positioning block (6); and the fastening holes (8) are evenly spaced on the outside of the positioning disc body (7).

3. The tension pay-off stand with automatic start and stop according to claim 2, characterized in that: A side shaft of the side guide arm (10) is connected to a guide wheel (11).

4. The tension pay-off stand with automatic start and stop according to claim 1, characterized in that: The lifting mechanism (12) comprises an external device box (13), a wire harness storage tray (14) and a servo motor (15); the external device box (13) is arranged on one side of the guide groove (2); a guide rod (4) is connected to the outside of the external device box (13); a servo motor (15) is arranged inside the external device box (13); and an output end of the servo motor (15) is connected to the wire harness storage tray (14).

5. The tension pay-off stand with automatic start and stop according to claim 4, characterized in that: The external equipment box (13) is connected to the outer side of the alloy frame (1) via a guide groove (2) provided on one side.

6. The tension pay-off stand with automatic start and stop according to claim 2, characterized in that: The positioning disc body (7) is connected to one side of the side guide arm (10) via fastening holes (8) distributed through the outer side.

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