Welding device

Abstract

A welding device is provided with a telescopic movable V-shaped frame, a positioning rib and a blocking piece are arranged in the V-shaped frame, a support can be placed at the upper end of the V-shaped frame, and then an M-shaped connecting piece is placed at the front end of the positioning rib at the upper end of the support and matched with the upper end of the support for positioning. The V-shaped frame is controlled by the air cylinder to move to synchronously transfer the M-shaped connecting piece and the support to the position below a double-fork welding nozzle of the spot welding machine, the V-shaped frame moves to touch and start a switch of the spot welding machine, the welding machine automatically controls the double-fork welding nozzle to move downwards for spot welding, and the two sides of the M-shaped connecting piece can be welded to the tail end of the support to be fixed at a time. The air cylinder controls the V-shaped frame to contract backwards, then a welded product is laterally taken out from the opening of the positioning rib and the V-shaped frame, the product is easy to take out, the welding efficiency is high, the M-shaped connecting piece can be conveniently placed and positioned, the welded M-shaped connecting piece is flat with the upper end of the support, and the welding efficiency and convenience are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of welding of tents and sunshades, in particular to a welding device. BACKGROUND

[0002] Tents and sunshades are generally foldable in structure. In order to achieve foldability, the support of the product needs to be connected by a plurality of rotatable rod members. The connection of the rod members requires welding an M-shaped connecting member at the upper end of the support (square support) first, and then connecting a plurality of rotatable rod members in the through hole of the M-shaped connecting member through rivets or connecting screws. When welding the M-shaped connecting member at the upper end of the support, manual welding is performed by personnel, the M-shaped connecting member is placed at the upper end of the support, and then the left end and the right end are welded manually. This requires two steps to weld the two sides of the M-shaped connecting member to the support, which is slow and the upper end of the M-shaped connecting member and the support welded by manual welding is prone to be uneven. SUMMARY

[0003] The utility model aims at overcoming the shortcomings of the prior art, solving the problem of manual welding of the M-shaped connecting member at the upper end of the support, which requires two steps to weld the two sides of the M-shaped connecting member to the support, which is slow and the upper end of the M-shaped connecting member and the support welded by manual welding is prone to be uneven. The utility model provides a welding device, which is provided with a telescopic V-shaped frame, a positioning rib and a baffle are arranged in the V-shaped frame, the support can be placed at the upper end of the V-shaped frame, the M-shaped connecting member is placed in the positioning rib at the upper end of the support to cooperate with the upper end of the support for positioning, the M-shaped connecting member and the support are synchronously moved to the double-prong welding nozzle of the spot welding machine by the movement of the V-shaped frame, the welding machine controls the downward movement of the double-prong welding nozzle for welding, the two sides of the M-shaped connecting member can be welded in the support at one time, after welding is completed, the V-shaped frame is retracted backward, and the welded product is taken out laterally from the opening of the positioning rib and the V-shaped frame. The product is easy to take out, the welding efficiency is high, the placement and positioning of the M-shaped connecting member are also convenient, and the upper end of the support after welding is flat.

[0004] The utility model discloses a welding device, including seat body, V-shaped frame, cylinder, support, M-shaped connecting piece, the seat body upper end is provided with the telescopic V-shaped frame of activity, the both sides of V-shaped frame are provided with the support wing, the front end part of V-shaped frame is provided with the positioning rib and the baffle, the baffle is at the front end of V-shaped frame, the horizontal direction distance between the positioning rib and the baffle is equal to the width of M-shaped connecting piece, V-shaped frame can synchronously move the M-shaped connecting piece and support placed at the upper end of V-shaped frame to the double-prong welding nozzle below the welding machine, the welding machine controls the downward movement of the double-prong welding nozzle for spot welding, and the M-shaped connecting piece is welded in the front end part of the support for fixation. V-shaped frame can move backward away from the double-prong welding nozzle below, and the welded product can be taken out laterally from the opening of the positioning rib and the V-shaped frame.

[0005] The intermediate part of the upper end of the seat body is provided with a sliding groove matched with a sliding bone arranged at the lower end of the V-shaped frame, the sliding bone can slide forward or backward in the sliding groove to adjust, so that the V-shaped frame can be stably moved and adjusted at the upper end of the seat body.

[0006] The side surface of the upper end of the seat body is provided with a gas cylinder, the telescopic rod of the gas cylinder is connected and fixed with the side surface of the V-shaped frame, and the telescopic rod of the gas cylinder controls the forward movement or the backward retraction movement of the V-shaped frame at the upper end of the seat body.

[0007] The front end of the upper end surface of the seat body is provided with a travel switch, the travel switch is connected with a welding machine, when the V-shaped frame moves forward to the front end and touches the travel switch, the circuit of the welding machine is turned on, and the welding machine controls the downward movement of the double-fork welding nozzle for spot welding.

[0008] When the telescopic rod of the gas cylinder is elongated to the maximum value, the V-shaped frame at the upper end of the seat body moves forward to touch the travel switch to start, at this time, the M-shaped connecting piece and the support placed at the upper end of the V-shaped frame are moved to below the double-fork welding nozzle of the welding machine, the welding machine controls the downward movement of the double-fork welding nozzle for spot welding, the M-shaped connecting piece is fixed in the support, after the welding is completed, the telescopic rod of the gas cylinder is retracted, the V-shaped frame is controlled to move backward to reset, the M-shaped connecting piece and the support which are welded as a whole are away from below the double-fork welding nozzle, and the welded product can be taken out from the opening of the V-shaped frame laterally, and the welding of the product is completed.

[0009] The baffle arranged at the front end of the V-shaped frame is a magnet block, when the support is placed in the two supporting wings at the upper end of the V-shaped frame, the front end of the support can better touch the magnet block to be magnetically attracted and positioned, and the support is magnetically attracted at the front end of the V-shaped frame.

[0010] The gas cylinder is connected with a gas conveying pipe, the starting or closing of the gas pressure in the gas conveying pipe is controlled by a control module, that is, the switch of the control module controls the elongation or retraction of the telescopic rod of the gas cylinder. The control module can be set as follows: when a user presses the gas cylinder control switch in the control module, the telescopic rod of the gas cylinder is elongated, after the telescopic rod of the gas cylinder is elongated for about five seconds, the control module automatically controls the telescopic rod of the gas cylinder to be retracted, only one pressing of the switch can control the forward movement of the V-shaped frame and the backward reset movement after five seconds, and the use is more convenient.

[0011] The gas cylinder can be replaced by an electric push rod, the side surface of the upper end of the seat body is provided with the electric push rod, the telescopic rod of the electric push rod is connected and fixed with the side surface of the V-shaped frame, and the telescopic rod of the electric push rod controls the forward movement or the backward retraction movement of the V-shaped frame at the upper end of the seat body.

[0012] The utility model has the advantages that the welding device is provided with the telescopic movable V-shaped frame, the positioning rib and the baffle are arranged in the V-shaped frame, the support can be placed on the upper end of the V-shaped frame, the M-shaped connecting piece is placed on the front end of the positioning rib of the upper end of the support to cooperate with the upper end of the support, the V-shaped frame is controlled to move by the air cylinder, the M-shaped connecting piece and the support are synchronously moved to the below of the double-fork welding nozzle of the spot welding machine, the V-shaped frame is touched to start the switch of the welding machine, the welding machine automatically controls the downward movement of the double-fork welding nozzle to spot weld, the two sides of the M-shaped connecting piece can be welded on the end part of the support at one time, after the welding is completed, the V-shaped frame is controlled to shrink backward by the air cylinder, the welded product is taken out from the opening of the V-shaped frame, the product is easy to take out, the welding efficiency is high, the M-shaped connecting piece is also convenient to place and position, the upper end of the support is flat after the welding, the welding efficiency and the convenience are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the perspective view of the welding device;

[0014] Figure 2 It is the schematic view of the welding device when the M-shaped connecting piece is installed;

[0015] Figure 3 It is the schematic view of the welding device when the M-shaped connecting piece is welded on the upper end of the support;

[0016] Figure 4 It is the schematic view of the welding device when the welded product is taken out;

[0017] In the drawing: 1, base body, 2, V-shaped frame, 3, support wing, 4, telescopic rod, 5, air cylinder, 6, slide bone, 7, sliding groove, 8, baffle, 9, positioning rib, 10, double-fork welding nozzle, 11, welding machine, 12, travel switch, 13, support, 14, M-shaped connecting piece, 15, welding part. DETAILED DESCRIPTION

[0018] The additional aspects and advantages of the utility model will be further given in the following description of the drawings, part will become obvious from the following description, or be understood by the practice of the utility model.

[0019] As Figures 1-4The embodiment of the application discloses a welding device which comprises a seat body 1, a V-shaped frame 2, a cylinder 5, a support 13 and an M-shaped connecting piece 14. The upper end of the seat body 1 is provided with the V-shaped frame 2 which can be extended and retracted. The two sides of the V-shaped frame 2 are support wings 3. The front end of the V-shaped frame 2 is provided with a positioning rib 9 and a baffle 8. The baffle 8 is located at the front end of the V-shaped frame 2. The horizontal distance between the positioning rib 9 and the baffle 8 is equal to the width of the M-shaped connecting piece 14. The support 13 can be placed in the two support wings 3 of the V-shaped frame 2. When the front end of the support 13 collides with the positioning rib 9, the back of the M-shaped connecting piece 14 is placed in the front end of the baffle 8 and is positioned in close contact with the upper end of the support 13. The end of the M-shaped connecting piece 14 is flush with the end of the support 13. When the V-shaped frame 2 moves forward, the M-shaped connecting piece 14 and the support 13 are synchronously moved and transferred into a double-fork welding nozzle 10 of a welding machine 11. The welding machine 11 controls the double-fork welding nozzle 10 to move downward to spot weld two welding parts 15 of the M-shaped connecting piece 14. The two sides of the M-shaped connecting piece 14 can be fixedly welded in the support 13 at one time. After the welding is completed, the V-shaped frame 2 can move backward away from below the double-fork welding nozzle 10. The welded product can be taken out from the opening of the V-shaped frame 2 laterally. The product can be easily taken out, the welding efficiency is high, the M-shaped connecting piece 14 can be accurately positioned and placed, and the front end of the M-shaped connecting piece 14 is flush with the front end of the support 13 after being welded.

[0020] The middle part of the upper end surface of the seat body 1 is provided with a sliding groove 7 which is matched with a sliding bone 6 arranged at the lower end of the V-shaped frame 2. The sliding bone 6 can slide forward or backward in the sliding groove 7 to adjust the position of the V-shaped frame 2 on the upper end of the seat body 1.

[0021] The side surface of the upper end of the seat body 1 is provided with the cylinder 5. The telescopic rod 4 of the cylinder 5 is connected and fixed with the side surface of the V-shaped frame 2. The telescopic rod 4 of the cylinder 5 controls the V-shaped frame 2 to move forward or to shrink backward on the upper end of the seat body 1.

[0022] The front end of the upper end surface of the seat body 1 is provided with a travel switch 12 which is connected with the welding machine 11. When the V-shaped frame 2 moves forward to touch the travel switch 12, the circuit of the welding machine 11 is connected. The welding machine 11 controls the double-fork welding nozzle 10 to move downward to spot weld.

[0023] When the telescopic rod 4 of the air cylinder 5 is extended to the maximum, the V-shaped frame 2 at the upper end of the seat body 1 moves forward to touch the travel switch 12 to start, at this time, the M-shaped connecting piece 14 placed at the upper end of the V-shaped frame 2 and the support 13 are moved to below the double-fork welding nozzle 10 of the welding machine 11, the welding machine 11 controls the double-fork welding nozzle 10 to move downward for spot welding, and the M-shaped connecting piece 14 is fixed in the support 13, after the welding is completed, the telescopic rod 4 of the air cylinder 5 is retracted, the V-shaped frame 2 is controlled to move backward to reset, the M-shaped connecting piece 14 and the support 13 which are welded as a whole leave below the double-fork welding nozzle 10, and the welded product can be taken out from the opening of the V-shaped frame 2 laterally, and the welding of one product is completed.

[0024] The baffle 8 provided at the front end of the V-shaped frame 2 is a magnet block, when the support 13 is placed in the two support wings 3 at the upper end of the V-shaped frame 2, the front end of the support 13 can better contact the magnet block for magnetic attraction positioning, and the support 13 is magnetically attracted to the front end of the V-shaped frame 2, so that the support 13 is placed more easily, and welding errors caused by displacement of the support 13 during movement of the V-shaped frame 2 can be avoided.

[0025] The air cylinder 5 is connected with a gas conveying pipe, and the starting and stopping of gas pressure in the gas conveying pipe is controlled by a control module, that is, the switch of the control module controls the extension and retraction of the telescopic rod 4 of the air cylinder 5. The control module can be set as follows: when a user presses the air cylinder 5 control switch in the control module, the telescopic rod 4 of the air cylinder 5 is extended, and after the telescopic rod 4 of the air cylinder 5 is extended for about five seconds, the control module automatically controls the telescopic rod 4 of the air cylinder 5 to retract, so that the forward movement and the automatic backward reset movement of the V-shaped frame 2 can be controlled by pressing the switch only once, and the use is more convenient.

[0026] Although the embodiments of the utility model have been shown and described, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A welding apparatus, comprising a base, a V-shaped frame, a cylinder, a support, and an M-shaped connector, characterized in that: The upper end of the base is provided with a retractable V-shaped frame. Support wings are provided on both sides of the V-shaped frame. The front end of the V-shaped frame is provided with a positioning rib and a baffle. The baffle is located at the front end of the V-shaped frame. The horizontal distance between the positioning rib and the baffle is equal to the width of the M-shaped connector. When the V-shaped frame moves forward, it can simultaneously move the M-shaped connector and the bracket placed on the upper end of the V-shaped frame to below the double-fork welding nozzle of the welding machine. The welding machine controls the double-fork welding nozzle to move downward to spot weld and fix the M-shaped connector to the front end of the bracket. The V-shaped frame can move backward away from below the double-fork welding nozzle, and the welded product can be removed laterally from the opening between the positioning rib and the V-shaped frame.

2. The welding apparatus according to claim 1, characterized in that: The upper middle part of the seat is provided with a sliding groove that cooperates with the sliding bone provided at the lower end of the V-shaped frame. The sliding bone can slide forward or backward in the sliding groove for adjustment.

3. The welding apparatus according to claim 1 or 2, characterized in that: A cylinder is provided on the upper side of the seat. The extension rod of the cylinder is connected and fixed to the side of the V-shaped frame. The extension rod of the cylinder controls the V-shaped frame to move forward or retract backward at the upper end of the seat.

4. The welding apparatus according to claim 3, characterized in that: A limit switch is provided at the front end of the upper surface of the base. The limit switch is connected to the welding machine. When the V-shaped frame moves forward to the front end, it can touch the limit switch, which then connects the circuit of the welding machine. The welding machine controls the double-fork welding nozzle to move downward to perform spot welding.

5. The welding apparatus according to claim 4, characterized in that: When the cylinder's telescopic rod extends to its maximum length, the V-shaped frame at the upper end of the base moves forward until it touches the limit switch to start. At this time, the M-shaped connector and bracket placed at the upper end of the V-shaped frame are moved to the lower part of the welding machine's double-fork welding nozzle. The welding machine then controls the double-fork welding nozzle to move downward for spot welding, fixing the M-shaped connector in the bracket.

6. The welding apparatus according to claim 5, characterized in that: The baffle at the front end of the V-shaped frame is a magnetic block.

7. The welding apparatus according to claim 5, characterized in that: The cylinder is connected to the air supply pipe, and the start or stop of the air pressure in the air supply pipe is controlled by the control module.

8. A welding apparatus according to claim 1 or 2, characterized in that: An electric push rod is provided on the upper side of the seat. The telescopic rod of the electric push rod is connected and fixed to the side of the V-shaped frame. The telescopic rod of the electric push rod controls the V-shaped frame to move forward or retract backward at the upper end of the seat.

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