Double-machine-system welding room

Abstract

The utility model discloses a double-machine system welding room which comprises a welding room body, two welding robots are installed in the middle of the inner wall of the bottom of the welding room body, two bearing assemblies are installed on the inner wall of the bottom of the welding room body, and the two bearing assemblies are located on the two sides of the two welding robots respectively. The bearing assembly comprises two mounting seats fixedly connected to the inner wall of the bottom of the welding room main body, a same bearing frame is rotatably connected between the two mounting seats through bearings, a positioning assembly is mounted in the bearing frame, and first chain wheels are coaxially fixed to the two ends of a rotating shaft of the bearing frame correspondingly; according to the welding robot, the bearing assembly is arranged, after a robot completes part of welding tasks, the position of a workpiece can be freely adjusted, and therefore the time consumed by additional adjustment is saved, and the overall efficiency of welding operation is remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field, concretely is a double machine system welding house. BACKGROUND

[0002] With the development of industrial manufacturing, the requirements for welding quality and efficiency are getting higher and higher. Traditional manual welding or single machine welding system has been difficult to meet the production demand of large scale, high precision and high efficiency. Therefore, double machine system welding house emerges as the times require, aiming at realizing more efficient and more stable welding production through the cooperative work of two or more welding robots.

[0003] Through the search, the utility model of Chinese patent announcement No. CN206296549U discloses a stand column double robot welding system, which comprises a first positioner and a second positioner arranged in parallel, the first positioner is connected with a first welding fixture, the second positioner is connected with a second welding fixture, a first welding robot and a second welding robot that can rotate are arranged between the first welding fixture and the second welding fixture, and a gun cleaner corresponding to the first welding robot and the second welding robot is arranged between the first welding robot and the second welding robot.

[0004] The above-mentioned equipment realizes the clamping of the workpiece through the welding fixture. If the back of the workpiece or the opposite side of the robot also needs to be welded, the workpiece needs to be turned over after the front is connected, which is inconvenient to operate and needs to be improved. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a double machine system welding house to solve the problems in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a double machine system welding house, comprising a welding house main body, two welding robots are installed in the middle position of the inner wall at the bottom of the welding house main body, two receiving assemblies are installed on the inner wall at the bottom of the welding house main body, the two receiving assemblies are respectively located at the positions on the two sides of the two welding robots, the receiving assembly comprises two mounting seats fixedly connected with the inner wall at the bottom of the welding house main body, the same receiving frame is rotatably connected between the two mounting seats through a bearing, and a positioning assembly is installed in the receiving frame.

[0007] As a further preferred embodiment of the present technical solution, the same chain wheel one is coaxially fixed at the two ends of the rotating shaft of the receiving frame, the same connecting rod is rotatably connected between the two mounting seats through a bearing, the same chain wheel two is coaxially fixed at the two ends of the connecting rod, the same chain is sleeved on the chain wheel one and the chain wheel two on the same side, the motor one is fixedly installed on one end of the outer wall of one of the mounting seats, and the output end of the motor one is coaxially fixed with one of the chain wheel two.

[0008] After the robot completes part of the welding task, the workpiece position can be freely adjusted, thereby saving the time consumed by additional adjustment and significantly improving the overall efficiency of the welding operation. For example, when the workpiece is large and cannot be processed at one time, when part of the welding work is completed, the motor one outside the mounting seat is started, the motor one drives a chain wheel two to rotate, the chain wheel two drives a chain wheel one to rotate in the same direction through a chain, thereby driving one end of the receiving frame to overturn, and since the chain wheel two is connected with another chain wheel two through a connecting rod, the other chain wheel two is also driven to rotate, thereby driving the other end of the receiving frame to overturn, ensuring that the driving process is more stable, and the other positions of the workpiece are close to the welding robot, so as to continue processing.

[0009] As a further preferred embodiment of the present application, the positioning assembly comprises a fixed rod fixedly connected inside the receiving frame, and a movable rod inserted into the top of the receiving frame, wherein the fixed rod and the movable rod are both externally sleeved with two clamping seats, and the top outer wall of the receiving frame is fixedly installed with two hydraulic cylinders, and the output ends of the two hydraulic cylinders are fixedly connected with the movable rod.

[0010] As a further preferred embodiment of the present application, the receiving frame is internally rotatably connected with a bidirectional screw rod, and is fixedly connected with a limiting rail inside, wherein the limiting rail is sleeved with two driving rings, the two clamping seats on one side are slidably inserted into the same driving ring, and the two driving rings are threadedly sleeved at the threaded ends of the bidirectional screw rod, and the outer wall of one end of the receiving frame is fixedly installed with a motor two, and the output end of the motor two is fixedly connected with one end of the bidirectional screw rod.

[0011] The two workpieces are respectively placed in the gaps opposite to the two clamping seats, the two hydraulic cylinders at the top of the receiving frame are started, and the movable rods connected with the hydraulic cylinders are driven to approach the workpieces, and then the workpieces are clamped to avoid displacement of the workpieces during welding and overturning, and then the motor two is started to drive the bidirectional screw rod to rotate, and the driving rings sleeved outside the limiting rail are driven to approach each other by the bidirectional screw rod, and then the positions to be welded of the two workpieces are tightly attached to each other, which is beneficial to improve the processing precision.

[0012] As a further preferred embodiment of the present application, the welding house is externally fixedly installed with a robot controller and a PLC controller at one end, the robot controller is electrically connected with the two welding robots through wires, and the PLC controller is electrically connected with the motor one, the hydraulic cylinder and the motor two through wires.

[0013] As a further preferred embodiment of the present application, the transmission ratio between the chain wheel one and the chain wheel two is less than one.

[0014] As a further preferred of the technical scheme, a plurality of equidistantly distributed rollers are rotatably connected inside the four clamping seats, and the plurality of rollers are respectively attached to the outer walls of the sides close to the fixed rods and the movable rods.

[0015] The double-machine system welding house has the following beneficial effects:

[0016] (1) The utility model discloses a bearing assembly is set up, after the robot completes partial welding task, can freely adjust workpiece position, thereby save the time consumed by additional adjustment, the overall efficiency of welding operation is significantly improved, if the workpiece volume is bigger, cannot complete processing once, when completing partial welding work, start motor no.

[0017] (2) The utility model discloses a positioning assembly is set up, respectively two workpieces are placed in the gap of two clamping seats, start bearing frame top two hydraulic cylinders, and the movable rod connected with the hydraulic cylinder is driven to workpiece close, then workpiece will be clamped, avoid workpiece displacement when being welded and overturning, then through starting motor no. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole first visual angle structure schematic diagram of the utility model;

[0019] Figure 2 It is the whole second visual angle structure schematic diagram of the utility model;

[0020] Figure 3 It is the positioning assembly enlarged structure schematic diagram of the utility model;

[0021] Figure 4 It is the Figure 2 It is the enlarged structure schematic diagram of A place in the utility model;

[0022] In the figure: 1, the main body of the welding house; 2, the robot controller; 3, the PLC controller; 4, the welding robot; 5, the receiving assembly; 6, the positioning assembly; 501, the mounting seat; 502, the receiving frame; 503, the connecting rod; 504, the chain wheel one; 505, the chain wheel two; 506, the chain; 507, the motor one; 601, the fixed rod; 602, the movable rod; 603, the clamping seat; 604, the hydraulic cylinder; 605, the bidirectional screw rod; 606, the limiting track; 607, the driving ring; 608, the motor two; 609, the roller. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0024] The utility model provides technical schemes: as shown in Figure 1 , Figure 2 and Figure 4 shown, in the embodiment, a double-machine system welding house comprises a welding house main body 1, two welding robots 4 are installed at the middle position of the inner wall of the bottom of the welding house main body 1, two receiving assemblies 5 are installed on the inner wall of the bottom of the welding house main body 1, the two receiving assemblies 5 are respectively located at the two sides of the two welding robots 4, the receiving assembly 5 comprises two mounting seats 501 fixedly connected to the inner wall of the bottom of the welding house main body 1, the same receiving frame 502 is rotatably connected between the two mounting seats 501 through bearings, and the positioning assembly 6 is installed inside the receiving frame 502.

[0025] The same chain 506 is sleeved with the same chain wheel one 504 and the chain wheel two 505 on the same side, one end of one of the mounting seats 501 is fixedly installed with the motor one 507, the output end of the motor one 507 is coaxially fixed with one of the chain wheel two 505, and the motor one 507 is a stepping motor.

[0026] If the workpiece volume is large and cannot be machined at one time, when the welding work of a part is completed, the motor one 507 outside the mounting seat 501 is started, the motor one 507 drives one of the chain wheel two 505 to rotate, the chain wheel two 505 drives the chain wheel one 504 to rotate in the same direction through the chain 506, thereby driving one end of the receiving frame 502 to overturn, at the same time, since the chain wheel two 505 is connected with the other chain wheel two 505 through the connecting rod 503, the other chain wheel two 505 can also be driven to rotate, thereby driving the other end of the receiving frame 502 to overturn, ensuring that the driving process is more stable, and the other positions of the workpiece are close to the welding robot 4, so that the machining can be continuously carried out.

[0027] As shown in Figure 2 andFigure 3 As shown in the drawings, the positioning assembly 6 comprises a fixed rod 601 fixedly connected inside a receiving frame 502, a movable rod 602 inserted at the top of the receiving frame 502, and two clamping seats 603 slidingly sleeved outside the fixed rod 601 and the movable rod 602. Two hydraulic cylinders 604 are fixedly installed on the outer wall at the top of the receiving frame 502, and the output ends of the two hydraulic cylinders 604 are fixedly connected with the movable rod 602.

[0028] A bidirectional screw rod 605 is rotatably connected inside the receiving frame 502, and a limiting track 606 is fixedly connected inside the receiving frame 502. Two drive rings 607 are slidingly sleeved on the limiting track 606, one side of the two clamping seats 603 is slidingly inserted inside the same drive ring 607, and the two drive rings 607 are respectively threadedly sleeved at the threaded ends of the bidirectional screw rod 605. A motor two 608 is fixedly installed on one end of the outer wall of the receiving frame 502, and the output end of the motor two 608 is coaxially fixed with one end of the bidirectional screw rod 605.

[0029] The workpiece placing process is to place two workpieces into the gaps opposite the two clamping seats 603, respectively, start the two hydraulic cylinders 604 at the top of the receiving frame 502, and the movable rod 602 connected with the hydraulic cylinders 604 is driven to approach the workpieces, and then the workpieces are clamped to avoid displacement of the workpieces when being welded and turned over. Then the motor two 608 is started to drive the bidirectional screw rod 605 to rotate, and the drive rings 607 sleeved outside the limiting track 606 are driven by the bidirectional screw rod 605 to approach each other, and then the to-be-welded positions of the two workpieces are tightly attached together, which is beneficial to improve the machining precision.

[0030] As shown in the drawings, Figure 1 and Figure 2 A robot controller 2 and a PLC controller 3 are fixedly installed on one end of the outer wall of the welding house main body 1, the robot controller 2 is electrically connected with the two welding robots 4 through wires, the PLC controller 3 is electrically connected with the motor one 507, the hydraulic cylinders 604 and the motor two 608 through wires, the robot controller 2 is composed of an ARM processor, a touch control screen and a motor driving circuit, and the model of the PLC controller 3 is preferably CPM1A-10CDR-A-V1.

[0031] As shown in the drawings, Figure 4 The transmission ratio between the sprocket one 504 and the sprocket two 505 is less than one, and the sprocket two 505 needs to rotate multiple turns to drive the sprocket one 504 to rotate one turn, so that the driving process of the motor one 507 suffers smaller pressure.

[0032] As shown in the drawings, Figure 3As shown, the four clamping seats 603 are internally rotatably connected with a plurality of equidistantly distributed rollers 609, and the plurality of rollers 609 are respectively attached to the outer walls of the sides of the fixed rods 601 and the movable rods 602, which can reduce the friction between the clamping seats 603 and the fixed rods 601 and the movable rods 602, so that the driving process of the driving ring 607 is more relaxed.

[0033] The utility model provides a double machine system welding room, specific working principle is as follows:

[0034] When the device works, two groups of workpieces are respectively placed inside two positioning assemblies 6, and two welding robots 4 can simultaneously process the workpieces, which is beneficial to improve work efficiency; after the welding of one group of workpieces is completed, the welding robot 4 can immediately process another group of workpieces, and meanwhile, the time can be used to disassemble the finished products that have been processed, so that the time is fully utilized, and the work efficiency is further improved; during the workpiece placing process, two workpieces are respectively placed in the gaps opposite the two clamping seats 603, the two hydraulic cylinders 604 at the top of the receiving frame 502 are started, the movable rods 602 connected with the hydraulic cylinders 604 are driven to approach the workpieces, and then the workpieces are clamped to avoid displacement of the workpieces during welding and overturning; then, motor two 608 is started to drive the bidirectional screw rod 605 to rotate, the driving ring 607 sleeved outside the limiting rail 606 is driven by the bidirectional screw rod 605 to approach each other, and then the to-be-welded positions of the two workpieces are tightly attached to each other, which is beneficial to improve processing precision; if the workpieces are large in size and cannot be processed at one time, when a part of the welding work is completed, motor one 507 outside the mounting seat 501 is started, motor one 507 drives one sprocket two 505 to rotate, sprocket two 505 drives sprocket one 504 to rotate in the same direction through the chain 506, so as to drive one end of the receiving frame 502 to overturn; at the same time, since sprocket two 505 is connected with the other sprocket two 505 through the connecting rod 503, the other sprocket two 505 can also be driven to rotate, thereby driving the other end of the receiving frame 502 to overturn, ensuring that the driving process is more stable, and the other positions of the workpieces approach the welding robot 4, so as to continue processing.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A twin system welding house comprising a welding house main body (1), characterized in that: Two welding robots (4) are installed at the middle position of the inner wall of the bottom of the welding house body (1), two receiving assemblies (5) are installed on the inner wall of the bottom of the welding house body (1), and the two receiving assemblies (5) are respectively located at the positions on the two sides of the two welding robots (4).

2. A twin system welding house according to claim 1, characterized in that: One chain wheel one (504) is fixed on the same shaft at the two ends of the rotating shaft of the receiving frame (502), one connecting rod (503) is rotatably connected between the two mounting seats (501) through a bearing, one chain wheel two (505) is fixed on the same shaft at the two ends of the connecting rod (503), the same side chain wheel one (504) and chain wheel two (505) are sleeved with the same chain (506), one end of one of the mounting seats (501) is fixedly installed on the outer wall of the motor one (507), and the output end of the motor one (507) is fixed on the same shaft as one of the chain wheel two (505).

3. The dual system welding house of claim 1, wherein: The positioning assembly (6) comprises a fixed rod (601) fixedly connected inside the receiving frame (502), and the receiving frame (502) is inserted with a movable rod (602) on the top.

4. A twin system welding house according to claim 3, characterized in that: The receiving frame (502) is rotatably connected with a bidirectional screw rod (605) inside, the receiving frame (502) is fixedly connected with a limiting track (606) inside, the limiting track (606) is slidably sleeved with two drive rings (607), the two clamping seats (603) on one side are slidably inserted into the same drive ring (607), and the two drive rings (607) are threadedly sleeved at the threaded ends of the bidirectional screw rod (605), respectively.

5. The dual system welding house of claim 1, wherein: The welding house body (1) is fixedly installed with a robot controller (2) and a PLC controller (3) on the outer wall of one end, the robot controller (2) is electrically connected with the two welding robots (4) through wires, and the PLC controller (3) is electrically connected with the motor one (507), the hydraulic cylinder (604) and the motor two (608) through wires.

6. The dual system welding house of claim 2, wherein: The transmission ratio between the chain wheel one (504) and the chain wheel two (505) is less than one.

7. The dual system welding house of claim 4, wherein: A plurality of equally distributed rollers (609) are rotatably connected inside the four clamping seats (603), and the plurality of rollers (609) are attached to the outer walls of the mutually close sides of the fixed rod (601) and the movable rod (602).

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