Distance-adjustable arm

Abstract

The utility model relates to the technical field of automobile welding robots, in particular to a distance-adjustable arm which comprises a bottom plate, a rotating assembly, a fixed cylinder, a telescopic cylinder, a telescopic assembly, a welding assembly and an auxiliary supporting assembly, the auxiliary supporting assembly comprises a sliding sleeve, a connecting block, a supporting rod, a guide ring and a fixed ring, and the rotating assembly is arranged above the bottom plate. The fixed cylinder is arranged above the rotating assembly, the telescopic cylinder is movably connected with the fixed cylinder, the telescopic assembly is arranged in the fixed cylinder, the sliding sleeve is movably connected with the fixed cylinder, the guide ring is fixedly connected with the fixed cylinder, one end of the supporting rod is fixedly connected with the connecting block, and the other end of the supporting rod penetrates through the guide ring. The problems that a telescopic device cannot be supported, meanwhile, an electric welding gun can rotate during use, so that a leather rope can be wound around a wire harness connected with the welding gun, and rotation of the welding gun is affected are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile welding robots, in particular to an arm with adjustable distance. Background Art

[0002] In daily life, a robotic arm is a kind of robot hand that has the characteristics of repetitive operations, which can reduce labor and labor intensity, eliminate fatigue and improve production efficiency. It can cope with various tasks such as dispensing operations, part placement, screw locking and circuit board cutting. When the existing machine telescopic arm is in operation, the arm extends the longest distance to the front position and lowers the working height when it bends, resulting in a decrease in the adjustment flexibility of operations at the same height, which reduces the use range of the robotic arm. Therefore, a new type of telescopic arm is needed.

[0003] In the prior art, patent CN220445495U discloses an adjustable telescopic arm, including a base, a support frame, a power supply box, an electric welding device and a first swivel, the first swivel is rotatably connected to the base, the support frame is fixedly connected to the first swivel, the power supply box is fixedly connected to the base, the electric welding device includes a second swivel, a telescopic device and an electric welding gun, the electric welding gun is rotatably connected to the telescopic device, the telescopic device is rotatably connected to the second swivel, and the second swivel is fixedly connected to the support frame. The setting of the electric welding device reduces the rotation limitations brought by the first swivel. At the same time, the telescopic device and the electric welding gun can also move to a position that is difficult to reach through the rotation of the second swivel to perform electric welding work. The cooperation between the first swivel and the second swivel improves the functionality and practicality of the telescopic arm, and can be better used for electric welding work and other related industries.

[0004] However, in the above scheme, the supporting force of the leather cord is insufficient to support the telescopic device. At the same time, the electric welding gun will rotate during use, so the leather cord will be entangled with the wiring harness connected to the welding gun, thereby affecting the rotation of the welding gun. Utility Model Content

[0005] The utility model aims to provide an adjustable-distance arm, aiming to solve the problem that the supporting force of the leather rope is insufficient to support the telescopic device, and the electric welding gun will rotate when in use, so the leather rope will be entangled with the wire harness connected to the welding gun, thereby affecting the rotation of the welding gun.

[0006] To achieve the above-mentioned purpose, the utility model adopts an adjustable distance arm, including a base plate, a rotating assembly, a fixed cylinder, a telescopic cylinder, a telescopic assembly, a welding assembly and an auxiliary support assembly, wherein the auxiliary support assembly includes a sliding sleeve, a connecting block, a support rod, a guide ring and a fixed ring, the rotating assembly is arranged above the base plate, the fixed cylinder is arranged above the rotating assembly, the telescopic cylinder is movably connected with the fixed cylinder and arranged inside the fixed cylinder, the telescopic assembly is arranged inside the fixed cylinder and cooperates with the telescopic cylinder, the welding assembly is arranged at one end of the telescopic cylinder, the fixed ring is fixedly connected with the telescopic cylinder and sleeved on the outside of the telescopic cylinder, the connecting block is fixedly connected with the fixed ring and arranged on the outside of the fixed ring, the sliding sleeve is movably connected with the fixed cylinder and sleeved on the outside of the fixed cylinder, the guide ring is fixedly connected with the fixed cylinder and sleeved on the outside of the fixed cylinder, one end of the support rod is fixedly connected with the connecting block and arranged on one side of the connecting block, and the other end of the support rod passes through the guide ring and cooperates with the sliding sleeve.

[0007] Wherein, the rotating assembly includes a rotating seat, a support block and a support arm, the rotating seat is arranged above the base plate, the support block is arranged above the rotating seat, the support arm is arranged above the support block and cooperates with the fixed cylinder.

[0008] Among them, the telescopic assembly includes a telescopic rod, two guide grooves and a guide plate. The telescopic rod is fixedly connected to the fixed tube and is arranged inside the fixed tube. The two guide grooves are fixedly connected to the fixed tube and are evenly arranged on the inner wall of the fixed tube. The guide plate is fixedly connected to the telescopic rod and is arranged at one end of the telescopic rod and cooperates with the two guide grooves. The telescopic tube is fixedly connected to the guide plate and is arranged on one side of the guide plate.

[0009] Wherein, the welding assembly includes a swivel seat and a welding head. The swivel seat is fixedly connected to the telescopic cylinder and is arranged at one end of the telescopic cylinder. The welding head is arranged on the side of the swivel seat.

[0010] Among them, the adjustable distance arm also includes a wire assembly, which includes a slide groove, a slider, a clamping groove and a fixing bolt. The slide groove is fixedly connected to the support arm and is arranged on the outside of the support arm. The slider is movably connected to the slide groove and is arranged in the middle of the slide groove. The clamping groove is fixedly connected to the slider and is arranged on the outside of the slider. The fixing bolt passes through the slide groove and cooperates with the slider.

[0011] The utility model provides an adjustable distance arm, through the setting of the base plate, the base plate supports the rotating component, so that the rotating component can drive the fixed cylinder and the telescopic cylinder to adjust the angle, the setting of the telescopic component controls the position of the telescopic cylinder in the fixed cylinder, and the setting of the welding component contacts the workpiece and realizes the welding operation on the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 It is a structural schematic diagram of the first embodiment of the utility model.

[0014] Figure 2 It is a three-dimensional structural diagram of the first embodiment of the utility model.

[0015] Figure 3 It is a partial cross-sectional view of the first embodiment of the utility model.

[0016] Figure 4 It is a three-dimensional structural diagram of the second embodiment of the utility model.

[0017] 101-base plate, 102-fixed cylinder, 103-telescopic cylinder, 104-sleeve, 105-connecting block, 106-support rod, 107-guide ring, 108-fixed ring, 109-rotating seat, 110-support block, 111-support arm, 112-telescopic rod, 113-guide groove, 114-guide plate, 115-rotating seat, 116-welding head, 201-slide groove, 202-slider, 203-slot, 204-fixing bolt. DETAILED DESCRIPTION

[0018] The first embodiment is:

[0019] See also Figure 1 to Figure 3 ,in Figure 1 It is a structural schematic diagram of the first embodiment of the utility model. Figure 2 It is a three-dimensional structural diagram of the first embodiment of the utility model. Figure 3 It is a partial cross-sectional view of the first embodiment of the utility model.

[0020] The utility model provides an adjustable-distance arm, including a base plate 101, a rotating assembly, a fixed cylinder 102, a telescopic cylinder 103, a telescopic assembly, a welding assembly and an auxiliary support assembly, wherein the auxiliary support assembly includes a sliding sleeve 104, a connecting block 105, a support rod 106, a guide ring 107 and a fixed ring 108; the rotating assembly includes a rotating seat 109, a support block 110 and a support arm 111; the telescopic assembly includes a telescopic rod 112, two guide grooves 113 and a guide plate 114; the welding assembly includes a swivel seat 115 and a welding head 116. The above-mentioned arrangement solves the problem that the supporting force of the leather rope is insufficient and the telescopic device cannot be supported. At the same time, the electric welding gun will rotate when in use, so that the leather rope will be entangled with the wiring harness connected to the welding gun, thereby affecting the rotation of the welding gun. It can be understood that the above-mentioned arrangement also improves the safety of the operation of the device.

[0021] According to the present specific embodiment, the rotating assembly is arranged above the bottom plate 101, the fixed cylinder 102 is arranged above the rotating assembly, the telescopic cylinder 103 is movably connected with the fixed cylinder 102 and arranged inside the fixed cylinder 102, the telescopic assembly is arranged inside the fixed cylinder 102 and cooperates with the telescopic cylinder 103, the welding assembly is arranged at one end of the telescopic cylinder 103, the fixed ring 108 is fixedly connected with the telescopic cylinder 103 and sleeved on the outside of the telescopic cylinder 103, the connecting block 105 is fixedly connected with the fixed ring 108 and arranged on the outside of the fixed ring 108, the sliding sleeve 104 is movably connected with the fixed cylinder 102 and sleeved on the outside of the fixed cylinder 102, and the guide ring 104 is arranged on the outside of the fixed cylinder 102. 07 is fixedly connected to the fixed cylinder 102 and is sleeved on the outside of the fixed cylinder 102. One end of the support rod 106 is fixedly connected to the connecting block 105 and is arranged on one side of the connecting block 105. The other end of the support rod 106 passes through the guide ring 107 and cooperates with the sliding sleeve 104. Through the setting of the sliding sleeve 104, the sliding sleeve 104 is connected to the support rod 106 and supports the support rod 106. The setting of the guide ring 107 guides the support rod 106. The setting of the fixed ring 108 fixes the connecting block 105 and is connected to the support rod 106 at the same time, so that the telescopic cylinder 103 can be auxiliary supported.

[0022] First, the rotating seat 109 is arranged above the base plate 101, the support block 110 is arranged above the rotating seat 109, and the support arm 111 is arranged above the support block 110 and cooperates with the fixed cylinder 102. Through the setting of the rotating seat 109, the rotating seat 109 supports the support block 110 and can drive the support arm 111 to rotate.

[0023] Among them, the telescopic rod 112 is fixedly connected to the fixed tube 102 and is arranged inside the fixed tube 102. The two guide grooves 113 are fixedly connected to the fixed tube 102 and are evenly arranged on the inner wall of the fixed tube 102. The guide plate 114 is fixedly connected to the telescopic rod 112 and is arranged at one end of the telescopic rod 112, and cooperates with the two guide grooves 113. The telescopic tube 103 is fixedly connected to the guide plate 114 and is arranged on one side of the guide plate 114. Through the setting of the telescopic rod 112, the telescopic rod 112 drives the guide plate 114 to move in the two guide grooves 113, and at the same time drives the telescopic tube 103 to extend and retract in the fixed tube 102.

[0024] Secondly, the swivel seat 115 is fixedly connected to the telescopic cylinder 103 and is arranged at one end of the telescopic cylinder 103. The welding head 116 is arranged on the side of the swivel seat 115. Through the setting of the swivel seat 115, the swivel seat 115 drives the welding head 116 to rotate, so that the welding range of the welding head 116 can be increased, thereby improving the welding efficiency.

[0025] By using an adjustable distance arm of the present embodiment and the setting of the auxiliary support assembly, when the telescopic cylinder 103 is telescoped in the fixed cylinder 102, the support rod 106 is driven by the connecting block 105 to move in the guide ring 107, and at the same time, the sliding sleeve 104 is pushed to slide on the outside of the fixed cylinder 102, so that the telescopic cylinder 103 can be auxiliary supported by the support rod 106, and at the same time, the telescopic cylinder 103 can be more stable when moving in the fixed cylinder 102, and the welding quality is also improved.

[0026] The second embodiment is:

[0027] Based on the first embodiment, please refer to Figure 4 ,in Figure 4 It is a three-dimensional structural diagram of the second embodiment of the utility model.

[0028] The utility model provides an adjustable distance arm which also includes a wire assembly, wherein the wire assembly includes a slide groove 201, a slider 202, a clamping groove 203 and a fixing bolt 204. Through the arrangement of the wire assembly, the wire assembly plays a role in centrally fixing the wire harness that needs to be connected to the device.

[0029] According to this specific embodiment, the slide groove 201 is fixedly connected to the support arm 111 and is arranged on the outer side of the support arm 111. The slider 202 is movably connected to the slide groove 201 and is arranged in the middle of the slide groove 201. The clamping groove 203 is fixedly connected to the slider 202 and is arranged on the outer side of the slider 202. The fixing bolt 204 passes through the slide groove 201 and cooperates with the slider 202. Through the setting of the slide groove 201, the slide groove 201 supports the slider 202, so that the slider 202 can slide in the slide groove 201, thereby driving the clamping groove 203 to adjust the position. After adjusting the position, the fixing bolt 204 is rotated, and the fixing bolt 204 squeezes the slide groove 201, and the position of the slider 202 in the slide groove 201 is fixed.

[0030] By using an adjustable distance arm of the present embodiment and setting the wire assembly, when fixing the wire harness, the wire harness is clamped in the clamping slot 203 and the clamping slot 203 is moved. The clamping slot 203 drives the slider 202 to slide in the slide slot 201 to adjust the position. After the position is adjusted, the fixing bolt 204 is rotated. The fixing bolt 204 fixes the position of the slider 202 in the slide slot 201, thereby achieving the function of binding and fixing the wire harness.

[0031] The above disclosure is only a preferred embodiment of the present invention, and certainly cannot be used to limit the scope of rights of the present invention. Ordinary technicians in this field can understand that all or part of the processes of the above embodiment and equivalent changes made according to the claims of the present invention still fall within the scope covered by the utility model.

Claims

1. An adjustable arm, comprising a base plate, a rotating assembly, a fixed cylinder, a telescopic cylinder, a telescopic assembly and a welding assembly, wherein the rotating assembly is arranged above the base plate, the fixed cylinder is arranged above the rotating assembly, the telescopic cylinder is movably connected with the fixed cylinder and arranged inside the fixed cylinder, the telescopic assembly is arranged inside the fixed cylinder and cooperates with the telescopic cylinder, and the welding assembly is arranged at one end of the telescopic cylinder, It is characterized in that Also included is an auxiliary support assembly; The auxiliary support assembly includes a sliding sleeve, a connecting block, a support rod, a guide ring and a fixed ring. The fixed ring is fixedly connected to the telescopic cylinder and sleeved on the outside of the telescopic cylinder. The connecting block is fixedly connected to the fixed ring and arranged on the outside of the fixed ring. The sliding sleeve is movably connected to the fixed cylinder and sleeved on the outside of the fixed cylinder. The guide ring is fixedly connected to the fixed cylinder and sleeved on the outside of the fixed cylinder. One end of the support rod is fixedly connected to the connecting block and arranged on one side of the connecting block. The other end of the support rod passes through the guide ring and cooperates with the sliding sleeve.

2. The adjustable arm according to claim 1, It is characterized in that The rotating assembly includes a rotating seat, a support block and a support arm. The rotating seat is arranged above the base plate, the support block is arranged above the rotating seat, and the support arm is arranged above the support block and cooperates with the fixed cylinder.

3. The adjustable arm according to claim 2, It is characterized in that The telescopic assembly includes a telescopic rod, two guide grooves and a guide plate. The telescopic rod is fixedly connected to the fixed tube and is arranged inside the fixed tube. The two guide grooves are fixedly connected to the fixed tube and are evenly arranged on the inner wall of the fixed tube. The guide plate is fixedly connected to the telescopic rod and is arranged at one end of the telescopic rod and cooperates with the two guide grooves. The telescopic tube is fixedly connected to the guide plate and is arranged on one side of the guide plate.

4. The adjustable arm according to claim 3, It is characterized in that The welding assembly comprises a swivel seat and a welding head. The swivel seat is fixedly connected to the telescopic cylinder and is arranged at one end of the telescopic cylinder. The welding head is arranged on the side of the swivel seat.

5. The adjustable arm according to claim 4, It is characterized in that The adjustable arm also includes a wire assembly, which includes a slide groove, a slider, a clamping groove and a fixing bolt. The slide groove is fixedly connected to the support arm and is arranged on the outside of the support arm. The slider is movably connected to the slide groove and is arranged in the middle of the slide groove. The clamping groove is fixedly connected to the slider and is arranged on the outside of the slider. The fixing bolt passes through the slide groove and cooperates with the slider.

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