CN113351977A

CN113351977A - Automatic resistance welding frock that material loading fed

Info

Publication number: CN113351977A
Application number: CN202110639129.7A
Authority: CN
Inventors: 朱胜亮; 赵祥宏; 苗荣
Original assignee: Jiangsu Yitong Control System Co ltd
Current assignee: Jiangsu Yitong Control System Co ltd
Priority date: 2021-06-08
Filing date: 2021-06-08
Publication date: 2021-09-07

Abstract

The invention discloses an automatic-feeding and feeding resistance welding tool, which comprises a support and an intermediate frame, wherein a feeding mechanism is arranged on the support, a welding mechanism and a discharging mechanism are arranged on the intermediate frame, the feeding mechanism comprises conveying belts arranged on two sides of the intermediate frame, the two conveying belts synchronously run along opposite directions or opposite directions, a clamping device is arranged on each conveying belt, one end of a tubular workpiece is clamped by the clamping devices, the two tubular workpieces are tightly butted under the driving of the conveying belts, and the welding mechanism works after the butting is completed to complete the welding.

Description

Automatic resistance welding frock that material loading fed

Technical Field

The utility model relates to the field of welding technology, especially, relate to a resistance welding connects frock that automatic feeding fed.

Background

Resistance welding, which is a method of welding, refers to welding by resistance heat generated by applying a current in a state where pressure is applied to a contact portion of two workpiece members. In such welding, two tubular workpieces are butted together to make their cross sections tightly contact, heated to a thermoplastic state by resistance heat, and then rapidly applied with an upsetting force, and the completed welding method is resistance welding, and most of the existing resistance welding equipment does not have automatic feeding and blanking functions.

Disclosure of Invention

According to the defects of the prior art, the invention provides the resistance welding tool with automatic feeding and feeding functions.

In order to solve the technical problem, the transmission device provided by the invention comprises a support, an intermediate frame and a controller, wherein a feeding mechanism is arranged on the support, a welding mechanism and a blanking mechanism are arranged on the intermediate frame, the feeding mechanism comprises conveying belts arranged on two sides of the intermediate frame, the two conveying belts synchronously run along opposite directions or opposite directions, each conveying belt is connected with a driving mechanism through a V belt, a clamping device is arranged on each conveying belt and used for clamping a tubular workpiece, and positioning devices are arranged on two sides of the upper end surface of the support, which are positioned on the intermediate frame.

Preferably, welding mechanism includes backup pad, first cylinder, connecting plate, arc and welding electrode, the backup pad includes two, and the symmetry sets up in the both sides of tubulose work piece, and the opposite face of two backup pads is fixed with first cylinder, is fixed with the connecting plate on the piston rod of first cylinder, the connecting plate is connected with the arc through the intermediate lever, is provided with welding electrode on the arc.

Preferably, the blanking mechanism is a five-axis mechanical claw, and the five-axis mechanical claw is fixed on the middle frame.

Preferably, clamping device includes the conveying platform, and the conveying platform sets up on the conveyer belt, and the conveying platform follows conveyer belt synchronous motion, the conveying bench is fixed and is provided with the clamping platform, and the both sides of clamping platform are passed through the fix with screw and are had the riser, and the back of the body of two risers is fixed and is provided with the second cylinder, and the piston rod of second cylinder passes the riser and is connected with the V clamp splice.

Preferably, the positioning device comprises a V-shaped positioning block, and the V-shaped positioning block is fixed on the upper end face of the bracket.

Preferably, the V-shaped positioning block is fixed on the upper end face of the support through a bolt, and a gasket is arranged between the V-shaped positioning block and the support.

The gain effect is as follows: compared with the prior art, the automatic feeding and blanking process of the tubular workpiece resistance welding is realized, and the welding efficiency is higher.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic view of the structure in an initial state;

FIG. 2 is a schematic view of the structure in a welded state;

FIG. 3 is a schematic view of the clamping device;

FIG. 4 is a schematic view of the positioning device;

FIG. 5 is a schematic view of a welding mechanism;

in the figure: the device comprises a support 1, a middle frame 2, a clamping device 3, a conveying table 301, a clamping table 302, a vertical plate 303, a second cylinder 304, a 305V-shaped clamping block, a positioning device 4, a 401V-shaped positioning block, a gasket 402, a blanking mechanism 5, a welding mechanism 6, a supporting plate 601, a first cylinder 602, a connecting plate 603, a middle rod 604, an arc plate 605, a welding electrode 606, a conveying belt 7, a belt 8V, a driving mechanism 9 and a tubular workpiece 10.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

As shown in the figure, the resistance welding tool with automatic feeding and feeding provided by the embodiment comprises a support 1, an intermediate frame 2 and a controller, wherein a feeding mechanism is arranged on the support 1, and a welding mechanism 6 and a blanking mechanism 5 are arranged on the intermediate frame 2.

The feeding mechanism comprises conveying belts 7 arranged on two sides of the middle frame, the two conveying belts 7 synchronously run along opposite directions or opposite directions, each conveying belt 7 is connected with a driving mechanism 9 through a V belt 8, the driving mechanism 9 is an alternating current motor, the alternating current motor is electrically connected with the controller, and the forward rotation and the reverse rotation of the motor can be realized under the control of the controller.

The conveying belt 7 is movably provided with a conveying table 301, and the conveying table 301 can synchronously move along with the conveying belt 7;

conveying table 301 is last including clamping device 3, clamping device 3 is used for pressing from both sides tight tubular workpiece 10, clamping device 3 is including pressing from both sides tight platform 302, the both sides of pressing from both sides tight platform 302 are passed through the fix with screw and are had riser 303, the fixed second cylinder 304 that is provided with in back of two riser 303, second cylinder 304 and controller electric connection, the piston rod of second cylinder 304 passes riser 303 and is connected with V-shaped clamp splice 305, two V-shaped clamp splices 305 are close to each other or keep away from under the drive of second cylinder 304, the realization is pressed from both sides tightly or is relaxed.

The upper end surface of the support 1 is provided with positioning devices 4 on two sides of the middle frame 2, the positioning devices 4 comprise V-shaped positioning blocks 401, the V-shaped positioning blocks 401 are fixed on the upper end surface of the support 1, and further, in order to ensure that the positioning axes of the V-shaped positioning blocks 401 coincide with the axes of the two V-shaped clamping blocks 305, a gasket 402 is arranged between the V-shaped positioning blocks 401 and the support 1.

The welding mechanism 6 comprises two support plates 601, first cylinders 602, connecting plates 603, arc-shaped plates 605 and welding electrodes 606, wherein the two support plates 601 are symmetrically arranged on two sides of the tubular workpiece 10, the first cylinders 602 are fixed on opposite surfaces of the two support plates 601, the first cylinders 602 are electrically connected with the controller, the connecting plates 603 are fixed on piston rods of the first cylinders 602, the connecting plates 603 are connected with the arc-shaped plates 605 through intermediate rods 604, the welding electrodes 606 are arranged on the arc-shaped plates 605, and the welding electrodes 606 are connected with an external welding power supply.

The blanking mechanism 5 is a five-axis mechanical claw which is fixed on the middle frame 2.

The working principle of the invention is as follows: the device is connected with an input device of a tubular workpiece 10, namely, two sides of the device can input the tubular workpiece 10 in real time, the tubular workpieces 10 on two sides are conveyed to a clamping device 3, a second air cylinder 304 works to drive a V-shaped clamping block 305 to clamp the tubular workpiece 10, a driving mechanism 9 works to drive the two clamping devices 3 to move towards opposite directions until the two tubular workpieces 10 are in tight butt joint, then a welding mechanism 6 starts to work, a welding electrode 606 is driven by a first air cylinder 602 to be in contact with the tubular workpiece 10 and is heated to a thermoplastic state by resistance heat, in the process, the driving mechanism 9 works all the time, so that a butt joint pressure exists until welding is completed, after the welding is completed, a blanking mechanism 5 works, namely a five-axis mechanical gripper catches the workpiece, the welding electrode 606 returns to an initial position under the driving of the first air cylinder 602, the clamping devices 3 release the tubular workpiece 10, the gripper places the work piece to appointed material storage department, and actuating mechanism 9 reversal drives clamping device 3 and returns initial position, accomplishes a circulation, and is in cycles.

While the foregoing is directed to embodiments of the present invention, other and further embodiments of the invention may be devised without departing from the basic scope thereof, and the scope thereof is determined by the claims that follow. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides an automatic resistance welding frock that material loading fed which characterized in that: including support (1), middle frame (2) and controller, be provided with feeding mechanism on support (1), be provided with welding mechanism (6) and unloading mechanism (5) on middle frame (2), feeding mechanism is including setting up conveyer belt (7) in middle frame (2) both sides, and two conveyer belts (7) are synchronous moves along relative direction or opposite direction, every conveyer belt (7) all are connected with actuating mechanism (9) through V area (8), be provided with clamping device (3) on the conveying drives (7), and clamping device (3) are used for pressing from both sides tight tubulose work piece (10), the both sides that support (1) up end is located middle frame (2) are provided with positioner (4).

2. The automatic feeding and feeding resistance welding tool according to claim 1, characterized in that: the welding mechanism (6) comprises two supporting plates (601), first air cylinders (602), connecting plates (603), arc-shaped plates (605) and welding electrodes (606), wherein the two supporting plates (601) are symmetrically arranged on two sides of the tubular workpiece (10), the first air cylinders (602) are fixed on opposite surfaces of the two supporting plates (601), the connecting plates (603) are fixed on piston rods of the first air cylinders (602), the connecting plates (603) are connected with the arc-shaped plates (605) through intermediate rods (604), and the welding electrodes (606) are arranged on the arc-shaped plates (605).

3. The automatic feeding and feeding resistance welding tool according to claim 1, characterized in that: the blanking mechanism (5) is a five-axis mechanical claw, and the five-axis mechanical claw is fixed on the middle frame (2).

4. The automatic feeding and feeding resistance welding tool according to claim 1, characterized in that: clamping device (3) are including conveying platform (301), and conveying platform (301) set up on conveyer belt (7), and conveying platform (301) follow conveyer belt (7) synchronous motion, conveying platform (301) are gone up the fixed clamping platform (302) that is provided with, and the both sides of clamping platform (302) are passed through fix with screw and are had riser (303), and the fixed second cylinder (304) that is provided with back of the body of two riser (303), and the piston rod of second cylinder (304) passes riser (303) and is connected with V-arrangement clamp splice (305).

5. The automatic feeding and feeding resistance welding tool according to claim 1, characterized in that: the positioning device (4) comprises a V-shaped positioning block (401), and the V-shaped positioning block (401) is fixed on the upper end face of the support (1).

6. The automatic feeding and feeding resistance welding tool according to claim 5, characterized in that: the V-shaped positioning block (401) is fixed on the upper end face of the support (1) through a bolt, and a gasket (402) is arranged between the V-shaped positioning block (401) and the support (1).