CN215494132U

CN215494132U - Welding robot welding spot automatic detection device for processing outer portal frame of forklift

Info

Publication number: CN215494132U
Application number: CN202121592885.0U
Authority: CN
Inventors: 姚道成; 姚登峰
Original assignee: Hefei Jingfeng Machinery Manufacturing Co ltd
Current assignee: Hefei Jingfeng Machinery Manufacturing Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2022-01-11
Anticipated expiration: 2031-07-14

Abstract

The application relates to the field of automatic welding spot detection devices, and discloses an automatic welding spot detection device for a welding robot for machining a forklift outer gantry, which comprises a fixing frame and a first supporting block, wherein lead screws are arranged on two sides below the inner part of the fixing frame, lead screw sleeving blocks are connected to the outer surfaces of the lead screws in a screwing mode, a fixing plate is fixedly connected to the outer surfaces of the lead screws through the lead screw sleeving blocks, a laser ranging device is fixedly connected to the inner part of the fixing plate through screws, a second fixing block is welded to the inner surface of the fixing frame, the lead screws are driven by a servo motor to rotate, so that the fixing plates on two sides are tightly attached to two sides of an assembly, the laser ranging device is matched to obtain the actual specification length of the assembly, a controller is used for judging whether the actual measurement value of the assembly is within an error range, the welding spot detection before the assembly welding is convenient, and the welding spot is ensured to be corresponding to the welding head of the welding robot, avoid causing the welding effect of subassembly unsatisfactory, influence the quality of final product.

Description

Welding robot welding spot automatic detection device for processing outer portal frame of forklift

Technical Field

The application relates to the field of automatic welding spot detection devices, in particular to an automatic welding spot detection device of a welding robot for machining of an outer gantry of a forklift.

Background

The forklift mast is the main load-bearing structure of the forklift load handling device. The mechanism for lifting the goods is also called a gantry. The forklift truck is composed of an inner gantry, an outer gantry, a fork frame, a fork, a chain wheel, a chain, a lifting oil cylinder, an inclined oil cylinder and the like.

The outer gantry of the forklift is formed by welding a plurality of components, and in order to improve the welding efficiency, related welding robots are used in many processing fields to replace manual welding. The basic principle of the welding robot is that a working program is set in the welding robot, so that the welding operation between the components can be automatically carried out. The subassembly is in production and processing in-process, and certain error that exists, the actual specification and size when the subassembly surpasss standard size's error range, but current welding robot lacks the automatic checkout device of relevant solder joint, and welding robot still welds according to standard component's welding position under the control of procedure to probably cause welding effect's not ideal enough, influence the quality of product.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem that the aforesaid provided, this application provides fork truck outer mast processing is with welding robot solder joint automatic checkout device.

The application provides a welding robot solder joint automatic checkout device for processing of fork truck outer mast adopts following technical scheme: welding robot solder joint automatic checkout device is used in processing of fork truck outer mast, including fixed frame and supporting shoe, fixed frame inside below both sides all are provided with the lead screw, the lead screw surface closes soon and is connected with lead screw cup joint piece, the lead screw surface passes through a lead screw cup joint piece fixedly connected with fixed plate, the fixed plate is inside through screw fixedly connected with laser range unit, fixed frame internal surface welding has No. two fixed blocks, fixed frame inside below is passed through No. two fixed block fixedly connected with servo motor, the inside one side of servo motor corresponds the side with the lead screw surface and welds mutually.

Through adopting the above-mentioned technical scheme, the welding has No. two fixed blocks in fixed frame internal surface intermediate position department, be convenient for guarantee No. two fixed block surface both sides servo motor's stability, correspond the side and weld through axis of rotation and lead screw surface degree inside servo motor, servo motor drives the lead screw and rotates of being convenient for, it is connected with lead screw cover joint block to close soon at the lead screw surface, be convenient for can rotate the regulation that reaches the position of lead screw cover joint block through the lead screw, and then be convenient for to the position control of both sides fixed plate, at the inside laser ranging device that is connected with through screw fixedly in one side fixed plate, be convenient for quick accurate measure the distance between the fixed plate of both sides.

Preferably, a telescopic rod is welded above the inner surface of the first supporting block, a clamping block is welded on the outer surface of the telescopic rod, one side of the outer surface of the clamping block is clamped and connected with the inside of the first supporting block, a second supporting block is welded on the lower surface of the clamping block, and one side of the outer surface of the second supporting block is welded with a corresponding position of the upper surface of the fixing frame.

Through adopting above-mentioned technical scheme, there is the draw-in groove at inside one side integrated into one piece of supporting shoe, be convenient for with block piece surface one side looks block be connected for can drive block piece one side through the telescopic link and carry out the block removal in a supporting shoe is inside, keep away from a supporting shoe one side welding at block piece lower surface and have No. two supporting shoes, the block piece removal of being convenient for can drive No. two supporting shoes in step and remove, and then the free regulation of the height position of convenient fixed frame.

Preferably, the upper surface of the first supporting block is welded with a third fixing block, and a plurality of threaded counter bores are formed in the third fixing block.

Through adopting above-mentioned technical scheme, at No. three inside a plurality of screw thread counter bores of having seted up of fixed block, make things convenient for the staff to install No. three fixed blocks in a certain fixed position department through the bolt, and then guarantee the stability of the device operation in-process.

Preferably, fixed block has all been welded to fixed frame internal surface both sides, just the inside integrated into one piece of fixed block has the draw-in groove.

Through adopting above-mentioned technical scheme, there is the draw-in groove at inside one side integrated into one piece of fixed block for can cup joint a block surface one side looks block with the lead screw and be connected, be convenient for carry on spacingly to lead screw cup joint piece, make the lead screw cup joint the piece and can not follow lead screw synchronous rotation, synchronous moving lead screw cup joint piece can carry out linear movement when guaranteeing the lead screw pivoted.

Preferably, the inner part of the fixing frame is rotatably connected with the corresponding side of the outer surface of the screw rod through a bearing.

Through adopting above-mentioned technical scheme, servo motor one side end is kept away from to this device lead screw surface and the inside corresponding position department of fixed frame is connected through the bearing rotation to can guarantee the support nature of lead screw one side, do not influence the rotation of lead screw again simultaneously.

To sum up, the application comprises the following beneficial technical effects: drive the lead screw through servo motor and rotate for both sides fixed plate closely laminates mutually with the subassembly both sides, cooperates laser range unit simultaneously, reachs the actual specification length of subassembly, judges whether the actual measurement value of subassembly is in error range by the controller, and the convenience is detected the solder joint before the subassembly welding, guarantees that the solder joint keeps corresponding with the soldered connection of welding robot, and it is unsatisfactory to avoid causing the welding effect of subassembly, influences the quality of final product. The telescopic rod drives the clamping block to move in the first supporting block in a clamping mode, so that the fixing frame is driven to move, and the fixing plates on the two sides are conveniently adjusted at suitable positions on the two sides of the component.

Drawings

FIG. 1 is a schematic structural diagram of the connection of the automatic detection device main body according to the embodiment of the application;

FIG. 2 is a schematic structural view of a first support block and a clamping block in a three-dimensional connection according to an embodiment of the present application;

fig. 3 is a schematic perspective structural view of a first fixing block according to an embodiment of the present application.

Description of reference numerals: 1. a fixing frame; 2. a first fixed block; 3. a fixing plate; 4. a second fixed block; 5. a third fixed block; 6. a threaded counter bore; 7. a first supporting block; 8. a telescopic rod; 9. a second supporting block; 10. a clamping block; 11. a servo motor; 12. the screw rod is sleeved with the block; 13. a laser ranging device; 14. and a screw rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses welding robot solder joint automatic checkout device is used in processing of fork truck outer mast. Referring to fig. 1, welding robot solder joint automatic checkout device is used in fork truck outer mast processing, it has No. two fixed blocks 4 to weld in fixed frame 1 internal surface intermediate position department, be convenient for guarantee No. two fixed block 4 surface both sides servo motor 11's stability, correspond the side phase welding through axis of rotation and 14 surface degrees of lead screw in servo motor 11 is inside, servo motor 11 of being convenient for drives lead screw 14 and rotates, it is connected with lead screw cover joint block 12 to close soon at 14 surface of lead screw, be convenient for can rotate the regulation that reaches the position of lead screw cover joint block 12 through lead screw 14, and then be convenient for to the position control of both sides fixed plate 3, at 3 inside screw fixedly connected with laser ranging device 13 that passes through of one side fixed plate, be convenient for quick accurate measure the distance between the fixed plate 3 of both sides.

Referring to fig. 1 and 2, there is a draw-in groove at inside one side integrated into one piece of supporting shoe 7, be convenient for with block 10 surface one side looks block be connected for can drive block 10 one side through telescopic link 8 and carry out the block removal in supporting shoe 7 is inside, keep away from supporting shoe 7 one side welding at block 10 lower surface and have No. two supporting shoes 9, block 10 of being convenient for removes and can drive No. two supporting shoes 9 in step and remove, and then the free regulation of the height position of convenient fixed frame 1.

Referring to fig. 1, a plurality of thread counter bores 6 are formed in the third fixing block 5, so that a worker can conveniently install the third fixing block 5 at a certain fixed position through bolts, and the stability of the device in the operation process is guaranteed.

Referring to fig. 1, the tail end of one side of the outer surface of the screw rod 14, far away from the servo motor 11, is rotatably connected with the corresponding position inside the fixed frame 1 through a bearing, so that the support performance of one side of the screw rod 14 can be ensured, and the rotation of the screw rod 14 is not influenced.

Referring to fig. 1 and 3, there is the draw-in groove at inside one side integrated into one piece of fixed block 2 for can cup joint 12 surface one side looks block with the lead screw and be connected, be convenient for carry on spacingly to lead screw cup joint 12, make lead screw cup joint 12 can not be along with lead screw 14 synchronous rotation, synchronous screw rod cup joint 12 can carry out linear movement when guaranteeing lead screw 14 pivoted.

The implementation principle of the welding robot welding spot automatic checkout device for processing the outer gantry of the forklift in the embodiment of the application is as follows: there is No. three fixed block 5 at 7 top surface welding of a supporting shoe, and No. three fixed block 5 is inside has seted up a plurality of screw thread counter bore 6, close soon with screw thread counter bore 6 through the bolt, conveniently install No. three fixed block 5 in required fixed position department, and then guarantee the device's support nature and stability, there is telescopic link 8 at 7 internal surface welding of a supporting shoe simultaneously, start through computer program control telescopic link 8, make telescopic link 8 can drive block 10 and remove at the inside block of a supporting shoe 7, thereby make No. two supporting shoe 9 of block 10 one side carry out corresponding removal, and then drive fixed frame 1 and remove, be convenient for adjust the suitable position department in subassembly both sides with both sides fixed plate 3.

Meanwhile, under the control of a computer program, a servo motor 11 is started to drive a screw rod 14 to rotate, so that two side fixing plates 3 are driven to move, the two side fixing plates 3 are tightly attached to two sides of the component, simultaneously, under the control of the computer program, a laser distance measuring device 13 is started, the distance between the two side laser distance measuring devices 13 is measured, so that the specification length of the component is obtained, the laser distance measuring device 13 feeds back measured data to an internal controller of the welding robot through an information sensor, after the controller receives actual thickness value information, whether the actual measured value is within an error range is judged, if the error is within a standard error range, the welding point of the component corresponds to the welding point of the robot, so that the controller can control a relay, the robot is started to perform corresponding welding, if the component is not within the error range, the welding point of the component does not correspond to the welding point of the robot, thereby the controller can not control the start-up of relay, and then the robot can not weld this subassembly according to the procedure of setting for, and the convenience is detected the solder joint before the subassembly welding, avoids causing between the subassembly that welding effect is unsatisfactory, influences the quality of final product.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Welding robot solder joint automatic checkout device is used in processing of fork truck outer mast, its characterized in that: including fixed frame (1) and supporting shoe (7), fixed frame (1) inside below both sides all are provided with lead screw (14), lead screw (14) surface closes soon and is connected with lead screw cover joint piece (12), lead screw (14) surface passes through lead screw cover joint piece (12) fixedly connected with fixed plate (3), fixed plate (3) are inside through screw fixedly connected with laser range unit (13), fixed frame (1) internal surface welding has No. two fixed blocks (4), fixed frame (1) inside below passes through No. two fixed blocks (4) fixedly connected with servo motor (11), servo motor (11) inside one side corresponds the side with lead screw (14) surface and welds mutually.

2. The welding robot welding spot automatic detection device for processing the outer gantry of the forklift as recited in claim 1, characterized in that: the supporting frame is characterized in that a telescopic rod (8) is welded above the inner surface of the first supporting block (7), a clamping block (10) is welded on the outer surface of the telescopic rod (8), one side of the outer surface of the clamping block (10) is connected with the inner portion of the first supporting block (7) in a clamped mode, a second supporting block (9) is welded on the lower surface of the clamping block (10), and one side of the outer surface of the second supporting block (9) is welded with a corresponding position of the upper surface of the fixed frame (1).

3. The welding robot welding spot automatic detection device for processing the outer gantry of the forklift as recited in claim 1, characterized in that: a third fixing block (5) is welded on the upper surface of the first supporting block (7), and a plurality of threaded counter bores (6) are formed in the third fixing block (5).

4. The welding robot welding spot automatic detection device for processing the outer gantry of the forklift as recited in claim 1, characterized in that: fixed block (2) have all been welded to fixed frame (1) internal surface both sides, just No. one fixed block (2) inside integrated into one piece has the draw-in groove.

5. The welding robot welding spot automatic detection device for processing the outer gantry of the forklift as recited in claim 1, characterized in that: the inner part of the fixed frame (1) is rotatably connected with the corresponding side of the outer surface of the screw rod (14) through a bearing.