Bending life experiment device for cable for welding gun

Abstract

The utility model relates to a welding gun cable bending life experiment device which structurally comprises an air cylinder, a cable tail end fixing block and a cable front end fixing swing mechanism which are installed on a machine frame, and the tail end and the front end of a cable body are respectively fixed on the cable tail end fixing block and the cable front end fixing swing mechanism. The output end of the cylinder is connected with and drives the cable front end fixed swing mechanism to swing. During working, the tail end and the front end of the cable body are respectively fixed on the cable tail end fixing block and the cable front end fixing and swinging mechanism, and the cylinder is started to stretch and retract to drive the cable front end fixing and swinging mechanism to swing, so that a cable bending life experiment can be carried out. The utility model has the advantages that the structure design is simple and reasonable, the two ends of the cable can be effectively fixed, one end is driven to swing back and forth, and the bending life test of the cable can be carried out with lower cost investment.

Description

Technical Field

[0001] The utility model relates to a welding gun cable bending life test device, belonging to the technical field of welding gun manufacturing. Background Art

[0002] In various welding gun structures, the welding gun head needs to be connected to a cable. In actual use, the cable often needs to be pulled and bent at a high frequency. The bending life of the cable is an important indicator of the welding gun quality.

[0003] In the prior art, there is no special bending life test device for welding gun cables, and ordinary cable bending life test devices have problems such as complex structure and high investment cost, which cannot effectively meet the needs of welding gun manufacturers. Utility Model Content

[0004] The utility model provides a welding gun cable bending life test device, which aims to overcome the above-mentioned shortcomings of the existing technology, simplify the structure, reduce investment, and meet the use requirements of the welding gun cable bending life test.

[0005] The technical solution of this utility model is a welding gun cable bending life test device. Its structure includes a cylinder mounted on a frame, a cable end fixing block, and a cable front end fixing and swinging mechanism. The end and front end of the cable body are respectively fixed to the cable end fixing block and the cable front end fixing and swinging mechanism. The cylinder output end is connected to and drives the cable front end fixing and swinging mechanism to swing. During operation, the end and front end of the cable body are respectively fixed to the cable end fixing block and the cable front end fixing and swinging mechanism. The cylinder is activated to retract and swing, causing the cable front end fixing and swinging mechanism to swing, and the cable bending life test can be carried out.

[0006] Preferably, the cylinder is fixed to the frame via a cylinder seat, the cylinder output end is rotatably connected to one end of a swing rod, and the other end of the swing rod is rotatably connected to the middle of a rotating shaft of a cable front end fixed swing mechanism, the cable front end fixed swing mechanism comprises a rotating shaft, a swing plate, and a fixed pressure strip, the rear end and the portion near the front end of the rotating shaft are respectively rotatably connected to a support at the top of the frame, the swing plate is fixed to the front end of the rotating shaft, two fixed pressure strips are installed on the swing plate, the front end of the cable body is fixed between the pressure strips and the swing plate, the cable end fixing block is divided into two parts, one part is fixed to the frame, the two parts are connected and fixed by a loose screw, and the rear end of the cable body is fixed between the two parts of the cable end fixing block. When the cylinder is extended or retracted, the rotating shaft is driven to rotate by the swing rod, thereby driving the swing plate to swing, thereby driving the front end of the cable body to bend back and forth relative to the end.

[0007] Preferably, the swing plate is provided with two groups of fixed screw holes spaced apart in pairs, and the two ends of the two fixed pressure strips are fixed in one pair of the fixed screw holes of the two groups by a fixing screw, so that the positions of the two fixed pressure strips can be easily adjusted.

[0008] Preferably, a pair of limiting devices facing both sides are provided near the rear end of the rotating shaft.

[0009] The utility model has the advantages of simple and reasonable structural design, can effectively fix both ends of the cable, and drive one end to swing back and forth, so as to realize the bending life test of the cable at a relatively low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 The utility model is a structural schematic diagram of a welding gun cable bending life test device.

[0011] Figure 2 yes Figure 1 Top view without the retaining strip and cable body installed.

[0012] In the figure, 1 is the frame, 2 is the cylinder, 21 is the cylinder base, 22 is the swing rod, 3 is the cable end fixing block, 31 is the tension screw, 4 is the cable front end fixing swing mechanism, 41 is the support, 42 is the rotating shaft, 43 is the swing plate, 44 is the fixing strip, 45 is the fixing screw, 46 is the fixing screw hole, 5 is the cable body, and 6 is the limit device. DETAILED DESCRIPTION

[0013] The present invention will be further described in detail below with reference to the embodiments and specific implementation methods.

[0014] like Figure 1 、 2 As shown, the welding gun cable bending life test device includes a cylinder 2, a cable end fixing block 3 and a cable front end fixing and swinging mechanism 4 installed on a frame 1. The end and front end of the cable body 5 are respectively fixed on the cable end fixing block 3 and the cable front end fixing and swinging mechanism 4. The output end of the cylinder 2 is connected to and drives the cable front end fixing and swinging mechanism 4 to swing.

[0015] During operation, the end and front end of the cable body 5 are fixed on the cable end fixing block 3 and the cable front end fixing swing mechanism 4 respectively. The cylinder 2 is started to extend and retract to drive the cable front end fixing swing mechanism 4 to swing, and the cable bending life test can be carried out. The device can be stopped after the specified number of swings to observe the cable bending condition.

[0016] Specifically, the cylinder 2 is fixed to the frame 1 through the cylinder seat 21, the output end of the cylinder 2 is rotated to connect one end of the swing rod 22, and the other end of the swing rod 22 is rotated to connect the middle of the rotating shaft 42 of the cable front end fixed swing mechanism 4, the cable front end fixed swing mechanism 4 includes a rotating shaft 42, a swing plate 43 and a fixed pressure strip 44, the rear end and the front end of the rotating shaft 42 are respectively rotatably connected in the support 41 on the top of the frame 1, the swing plate 43 is fixed to the front end of the rotating shaft 42, and two fixed pressure strips 44 are installed on the swing plate 43. The front end of the cable body 5 is fixed between the pressure strip 44 and the swing plate 43, and the cable end fixing block 3 is divided into two parts, one part is fixed to the frame, and the two parts are connected and fixed by a loose screw 31, and the rear end of the cable body 5 is fixed between the two parts of the cable end fixing block 3.

[0017] When the cylinder 2 is extended or retracted, the swing rod 22 drives the rotating shaft 42 to rotate, thereby driving the swing plate 43 to swing, thereby driving the front end of the cable body 5 to bend back and forth relative to the end.

[0018] As a preferred embodiment, the swing plate 43 is provided with two sets of spaced-apart fixing screw holes 46. The ends of the two fixing bars 44 are fixed to one of the two sets of fixing screw holes 46 via a fixing screw 45. The positions of the two fixing bars 44 can be adjusted according to actual conditions to ensure that the cable body 5 is effectively fixed.

[0019] As a preferred embodiment, a pair of limit devices 6 can be provided near the rear end of the rotating shaft 42, facing either side. These limit devices 6 are linked to the control mechanism of the cylinder 2. When the shaft 42 is rotated to one side, the limit devices 6 are triggered, controlling the cylinder 2 to switch to a telescopic state. The same principle is applied when the shaft 42 is rotated to the other side, achieving reciprocating swing. This control principle can be implemented based on existing technologies.

[0020] The components described above are all prior art, and those skilled in the art can use any model and existing design that can achieve their corresponding functions.

[0021] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the creative concept of the present invention, which all fall within the scope of protection of the present invention.

Claims

1. Welding gun cable bending life test device, characterized in that: The invention comprises a cylinder (2), a cable end fixing block (3) and a cable front end fixing swing mechanism (4) mounted on a frame (1); the end and the front end of a cable body (5) are respectively fixed on the cable end fixing block (3) and the cable front end fixing swing mechanism (4); the output end of the cylinder (2) is connected to and drives the cable front end fixing swing mechanism (4) to swing.

2. The welding gun cable bending life test device according to claim 1, characterized in that: The cylinder (2) is fixed to the frame (1) through the cylinder seat (21), the output end of the cylinder (2) is rotatably connected to one end of the swing rod (22), and the other end of the swing rod (22) is rotatably connected to the middle of the rotating shaft (42) of the cable front end fixed swing mechanism (4), the cable front end fixed swing mechanism (4) includes a rotating shaft (42), a swing plate (43) and a fixed pressure strip (44), the rear end of the rotating shaft (42) and the part near the front end are respectively rotatably connected to the support (41) at the top of the frame (1), the swing plate (43) is fixed to the front end of the rotating shaft (42), and two fixed pressure strips (44) are installed on the swing plate (43), the front end of the cable body (5) is fixed between the pressure strip (44) and the swing plate (43), the cable end fixed block (3) is divided into two parts, one part is fixed to the frame, and the two parts are connected and fixed by a loose screw (31), and the rear end of the cable body (5) is fixed between the two parts of the cable end fixed block (3).

3. The welding gun cable bending life test device according to claim 2, characterized in that: The swing plate (43) is provided with two groups of fixed screw holes (46) spaced apart in pairs, and the two ends of the two fixed pressure strips (44) are fixed in one pair of the fixed screw holes (46) of the two groups by a fixing screw (45).

4. The welding gun cable bending life test device according to claim 2, characterized in that: A pair of limiting devices (6) facing both sides are provided near the rear end of the rotating shaft (42).

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