Welding gun conveying copper pipe end expanding auxiliary device

Abstract

The utility model relates to the technical field of welding gun production, in particular to a welding gun conveying copper pipe end expanding auxiliary device which comprises a base, a supporting frame, an installation base, a first air cylinder, a pressure applying block, a second air cylinder, a guide frame, a pipe expanding device, a clamping mechanism, a discharging base and a limiting block. The mounting base is fixedly arranged on the inner side of the top of the supporting frame, the first air cylinder is mounted on the top of the mounting base, the pressure applying block is fixedly arranged at the telescopic end of the first air cylinder, and the second air cylinder is mounted on one side of the supporting frame. In the machining process, firstly, the wiping head wipes the inner wall of one end of the copper pipe, the lubricating effect is achieved, meanwhile, the risk of expansion cracking of the copper pipe is reduced, the motor controls the pipe expanding block to rotate by a circle, the roundness of a pipe expanding area is higher, and installation work is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding torch production technical field especially relates to a welding torch transmission copper pipe end portion pipe expanding auxiliary device. BACKGROUND

[0002] With the development of industry, welding work is carried out by welding robots in many fields, the welding robot is internally provided with a plurality of copper pipes which are mainly used for conducting electricity, when the copper pipes are connected with each other, the copper pipe end portions are generally expanded, and the two copper pipe end portions are connected and then supplemented by welding processing to ensure the connection effect.

[0003] The existing copper pipe end portion pipe expanding is mainly completed by a pipe expander, the pipe expander only clamps and fixes the copper pipe and then presses an expanding block into the copper pipe to complete the pipe expanding work, and direct pipe expanding processing is easy to cause the copper pipe end portion to be torn, and if the expanding block has defects such as concave and insufficient roundness, the roundness of the expanded position is easy to be insufficient when the copper pipe end portion is expanded by inserting the expanding block, thereby affecting the copper pipe connection work. UTILITY MODEL CONTENTS

[0004] The utility model provides a welding torch transmission copper pipe end portion pipe expanding auxiliary device in view of the defects in the prior art.

[0005] The utility model is realized through the following technical schemes:

[0006] A welding torch transmission copper pipe end portion pipe expanding auxiliary device, including base, support frame, mount, first air cylinder, pressure block, second air cylinder, guide frame, pipe expanding device, clamping mechanism, discharge seat and limit block, the support frame is installed on the base upper surface, the mount is fixedly arranged in the support frame top inner side, the first air cylinder is installed in the mount top, the pressure block is fixedly arranged in the first air cylinder telescopic end, the second air cylinder is installed on one side of the support frame, the guide frame is fixedly arranged in the second air cylinder telescopic end, the pipe expanding device is arranged in the guide frame inner side, the clamping mechanism is installed on the base upper surface, the discharge seat is arranged in the clamping mechanism one side outside, and is installed and fixed with the base, the limit block is arranged in the support frame inner side, the pipe expanding device includes connecting seat, motor, expanding block, oil pipe, wiping head and oil inlet pipe, the connecting seat is installed and fixed with the guide frame inner side, the motor is installed in the connecting seat inner side, the expanding block is sleeved in the motor output end, the oil pipe is clamped in the expanding block inside, the wiping head is arranged in one end of the oil pipe, and the oil inlet pipe is fixed away from the wiping head one end with the oil pipe.

[0007] In a preferred embodiment of the utility model, the clamping mechanism comprises a clamping seat, a third cylinder, an insertion seat and a clamping seat, the clamping seat is fixedly installed on the upper surface of the base, the third cylinder is installed on the bottom of one side of the clamping seat, the insertion seat is arranged on the output end of the third cylinder, and the clamping seat is installed on the top of the clamping seat.

[0008] The clamping mechanism is mainly used for clamping and limiting the copper pipe and realizes the ejection of the copper pipe after pipe expansion and automatic feeding work through the third cylinder and the insertion seat at the end thereof.

[0009] In a preferred embodiment of the utility model, a guide rod is fixedly arranged outside the guide frame, one end of the guide rod outside the guide frame penetrates through and extends to the outside of one side of the support frame, and a limiting sleeve is fixedly arranged at the end of the guide rod.

[0010] The guide rod at the back of the guide frame not only ensures the horizontal forward movement of the pipe expansion block, but also effectively controls the pipe expansion depth through the limiting sleeve at the tail end.

[0011] In a preferred embodiment of the utility model, one end of the oil inlet pipe penetrates through and extends to the outside of one side of the pipe expansion block, and an oil inlet nozzle is arranged at the end of the oil inlet pipe.

[0012] After the oil pipe is connected with the oil inlet nozzle, the oil liquid is input into the wiping head through the oil inlet pipe, so that the wiping head is wet, and when the wiping head is inserted into the copper pipe, the oil liquid first wets the inner wall of the copper pipe, thereby facilitating the insertion and playing an effective lubricating effect while reducing the risk of copper pipe expansion cracking.

[0013] In a preferred embodiment of the utility model, insertion rods are arranged at the two ends of the top of the insertion seat, the insertion rod at one end of the insertion seat is clamped in the clamping seat, and insertion holes are formed in the bottom of the insertion seat and the clamping seat and matched with the insertion rods at the top of the insertion seat.

[0014] In a preferred embodiment of the utility model, the pressing block is located outside the top of the clamping seat, and an arc groove is formed in the top of the clamping seat and the bottom of the pressing block.

[0015] The insertion rod mainly ejects the copper pipe processed on the top of the clamping seat, discharges the processed copper pipe from the pipe expansion device through the discharge seat, and lifts the copper pipe to be processed subsequently, guides the copper pipe to the top of the clamping seat through the inclined surface at the top of the clamping seat, and thus realizes continuous processing work.

[0016] The utility model has the advantages of:

[0017] The welding torch transmission copper pipe end expansion auxiliary device clamps and limits the copper pipe to be expanded, controls the pipe expansion block to be inserted into the copper pipe end for pipe expansion processing through the cylinder, in the processing process, first, the wiping head wipes the inner wall of one end of the copper pipe, plays a lubricating effect, reduces the risk of copper pipe expansion cracking, the motor controls the pipe expansion block to rotate one circle, makes the roundness of the pipe expansion area higher, and facilitates installation work. BRIEF DESCRIPTION OF DRAWINGS

[0018] Fig. 1 It is the three-dimensional structure schematic view of the auxiliary device of the copper pipe end expansion of the welding gun transmission copper pipe;

[0019] Fig. 2 It is the expansion device structure schematic view of the auxiliary device of the copper pipe end expansion of the welding gun transmission copper pipe;

[0020] Fig. 3 It is the clamping mechanism structure schematic view of the auxiliary device of the copper pipe end expansion of the welding gun transmission copper pipe.

[0021] In the figure: 1, base; 2, support frame; 3, mounting seat; 4, first cylinder; 5, pressure block; 6, second cylinder; 7, guide frame; 8, expansion device; 81, connecting seat; 82, motor; 83, expansion block; 84, oil delivery pipe; 85, wiping head; 86, oil inlet pipe; 9, clamping mechanism; 91, clamping seat; 92, third cylinder; 93, insertion seat; 94, clamping seat; 10, discharge seat; 11, limiting block. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present application will be described in detail with reference to the drawings, so that the advantages and features of the present application can be more easily understood by those skilled in the art, and the scope of protection of the present application can be more clearly defined. The directions mentioned in the present application, such as "up", "down", "front", "back", "left", "right", "top", "bottom", etc. are only the directions of the attached drawings. Therefore, the directions used are used to explain and understand the present application, not to limit the present application.

[0023] As Figs. 1-3The auxiliary device for expanding the end of the copper pipe of the welding gun transmission includes a base 1, a support frame 2, a mounting seat 3, a first cylinder 4, a pressing block 5, a second cylinder 6, a guide frame 7, an expansion device 8, a clamping mechanism 9, a material discharge seat 10, and a limiting block 11. The support frame 2 is installed on the upper surface of the base 1. The mounting seat 3 is fixedly arranged on the inner side of the top of the support frame 2. The first cylinder 4 is installed on the top of the mounting seat 3. The pressing block 5 is fixedly arranged on the telescopic end of the first cylinder 4. The second cylinder 6 is installed on one side of the support frame 2. The guide frame 7 is fixedly arranged on the telescopic end of the second cylinder 6. The expansion device 8 is arranged on the inner side of the guide frame 7. The clamping mechanism 9 is installed on the upper surface of the base 1. The material discharge seat 10 is arranged on one side of the outer part of the clamping mechanism 9 and is fixedly installed with the base 1. The limiting block 11 is arranged on the inner side of the support frame 2. The expansion device 8 includes a connecting seat 81, a motor 82, an expansion block 83, an oil delivery pipe 84, a wiping head 85, and an oil inlet pipe 86. The connecting seat 81 is fixedly installed with the inner side of the guide frame 7. The motor 82 is installed on the inner side of the connecting seat 81. The expansion block 83 is sleeved on the output end of the motor 82. The oil delivery pipe 84 is clamped on the inner part of the expansion block 83. The wiping head 85 is arranged on one end of the oil delivery pipe 84. The oil inlet pipe 86 is fixed on the end of the oil delivery pipe 84 away from the wiping head 85.

[0024] Specifically, the clamping mechanism 9 includes a clamping seat 91, a third cylinder 92, an insertion seat 93, and a clamping seat 94. The clamping seat 91 is fixedly installed on the upper surface of the base 1. The third cylinder 92 is installed on the bottom of one side of the clamping seat 91. The insertion seat 93 is arranged on the output end of the third cylinder 92. The clamping seat 94 is installed on the top of the clamping seat 91. A guide rod is fixedly arranged on the outer side of the guide frame 7. One end of the guide rod on the outer side of the guide frame 7 penetrates and extends to one side of the outer part of the support frame 2. A limiting sleeve is fixedly arranged on the end of the guide rod. One end of the oil inlet pipe 86 penetrates and extends to one side of the outer part of the expansion block 83. An oil inlet nozzle is arranged on the end of the oil inlet pipe 86. Two insertion rods are arranged on the top of the insertion seat 93. One insertion rod of the insertion seat 93 is clamped in the clamping seat 91. Insertion holes are arranged on the bottom of the insertion seat 93 and the clamping seat 94 to match the insertion rods on the top of the insertion seat 93. The pressing block 5 is located on the outer side of the top of the clamping seat 94. An arc groove is arranged on the top of the clamping seat 94 and the bottom of the pressing block 5.

[0025] In this embodiment, the feeding mechanism transports the copper pipe into the groove on the top of the clamping seat 94, then the first cylinder 4 extends, and the pressing block 5 is pressed down, at this time, the pressing block 5 and the clamping seat 94 effectively limit the copper pipe, but do not have the effect of clamping and fixing, at this time, the pump extracts oil, which is transported into the oil inlet nozzle through the transmission pipeline, and then is transported into the oil delivery pipe 84 from the oil inlet pipe 86, the oil overflowing from the end of the oil delivery pipe 84 makes the sponge wiping head 85 wet, and the oil plays a role in lubrication and reducing the risk of pipe rupture in the pipe expansion process, then the second cylinder 6 extends, the copper pipe is pressed by the pipe expansion device 8 and moves backward, so that the tail end of the copper pipe contacts the limiting block 11, after the limiting block 11 abuts against the copper pipe, the first cylinder 4 is lowered again to clamp and fix the copper pipe, at this time, the second cylinder 6 extends to insert the wiping head 85 into the copper pipe, and effectively wipe the inner wall of the copper pipe, the second cylinder 6 further extends to make the pipe expansion block 83 top into the copper pipe to perform the pipe expansion processing work, then the motor 82 is started to drive the pipe expansion block 83 to rotate one circle, so as to ensure the roundness of the pipe expansion area, and the pipe expansion work is completed, it should be noted that, in order to avoid the oil pipe winding on the surface of the pipe expansion block 83, the motor 82 should be rotated in opposite directions in the continuous processing process.

[0026] Further, after the pipe expansion is completed, the second cylinder 6 is retracted, then the first cylinder 4 is retracted, at this time, the third cylinder 92 extends to lift the ejection seat 93, the ejection seat 93 is clamped to the insertion rod in the clamping seat 91, the copper pipe after the pipe expansion processing is lifted by the insertion rod, and the copper pipe falls according to the inclined surface on the top of the insertion rod, is guided by the discharge seat 10, and leaves the processing area, and the insertion rod at the other end of the ejection seat 93 lifts the subsequent copper pipe, and guides the copper pipe to roll to the top of the clamping seat 94 according to the inclined surface on the top, so that the continuous processing is completed.

[0027] It should be noted that the parts not involved in the utility model are the same as or can be realized by the prior art; various drives in the utility model can be realized by corresponding power structures such as cylinders, oil cylinders, electric cylinders, motors, connecting rods and guide rods, and are not limited to the description in the specification and the structure in the drawings.

[0028] In the description of the embodiments of the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "setting", "provided with" and the like should be understood broadly, for example, can be fixedly connected, can be detachably connected, or integrally connected, can be mechanically connected, or can be electrically connected, can be directly connected, or indirectly connected through an intermediate medium, or can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but can not therefore be understood as the limitation of the utility model patent range. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, several deformations and improvements can be made, which belong to the protection range of the utility model.

Claims

1. A welding gun transmission copper tube end expansion auxiliary device, comprising a base (1), a support frame (2), a mounting seat (3), a first cylinder (4), a pressure block (5), a second cylinder (6), a guide frame (7), a tube expansion device (8), a clamping mechanism (9), a discharge seat (10) and a limit block (11), characterized in that: The support frame (2) is mounted on the upper surface of the base (1), the mounting seat (3) is fixedly arranged on the inner side of the top of the support frame (2), the first cylinder (4) is mounted on the top of the mounting seat (3), the pressure block (5) is fixedly arranged on the telescopic end of the first cylinder (4), the second cylinder (6) is mounted on one side of the support frame (2), the guide frame (7) is fixedly arranged on the telescopic end of the second cylinder (6), the tube expansion device (8) is arranged on the inner side of the guide frame (7), the clamping mechanism (9) is mounted on the upper surface of the base (1), the discharge seat (10) is arranged on the outside of one side of the clamping mechanism (9) and is fixed to the base (1), and the limit block (11) is arranged on the inner side of the support frame (2); The tube expansion device (8) comprises a connecting seat (81), a motor (82), a tube expansion block (83), an oil delivery pipe (84), a wiping head (85) and an oil inlet pipe (86); the connecting seat (81) is fixedly mounted on the inner side of the guide frame (7); the motor (82) is mounted on the inner side of the connecting seat (81); the tube expansion block (83) is sleeved on the output end of the motor (82); the oil delivery pipe (84) is clamped inside the tube expansion block (83); the wiping head (85) is arranged at one end of the oil delivery pipe (84); and the oil inlet pipe (86) is fixed to one end of the oil delivery pipe (84) away from the wiping head (85).

2. The auxiliary device for expanding the end of a copper tube when conveyed by a welding gun according to claim 1, characterized in that: The clamping mechanism (9) comprises a clamping seat (91), a third cylinder (92), an insertion seat (93) and a clamping seat (94); the clamping seat (91) is fixed to the upper surface of the base (1); the third cylinder (92) is installed at the bottom of one side of the clamping seat (91); the insertion seat (93) is arranged at the output end of the third cylinder (92); and the clamping seat (94) is installed at the top of the clamping seat (91).

3. The auxiliary device for expanding the end of a copper tube when conveyed by a welding gun according to claim 1, characterized in that: A guide rod is fixedly provided on the outside of the guide frame (7), one end of the guide rod on the outside of the guide frame (7) passes through and extends to the outside of one side of the support frame (2), and a limiting sleeve is fixedly provided on the end thereof.

4. The auxiliary device for expanding the end of a copper tube when conveyed by a welding gun according to claim 1, characterized in that: One end of the oil inlet pipe (86) passes through and extends to the outside of one side of the expansion tube block (83), and an oil inlet nozzle is provided at the end of the oil inlet pipe (86).

5. The auxiliary device for expanding the end of a copper tube when conveyed by a welding gun according to claim 2, characterized in that: The top ends of the insertion seat (93) are provided with insertion rods, one end of the insertion rod of the insertion seat (93) is clamped in the clamping seat (91), and the bottoms of the insertion seat (93) and the clamping seat (94) are provided with insertion holes that match the insertion rod at the top of the insertion seat (93).

6. The auxiliary device for expanding the end of a copper tube when conveyed by a welding gun according to claim 2, characterized in that: The pressure block (5) is located outside the top of the clamping seat (94), and arc grooves are provided on the top of the clamping seat (94) and the bottom of the pressure block (5).

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