Disclosure of Invention
Technical problem to be solved
The invention provides an alloy pipe welding process, and aims to solve the technical problems that the labor intensity and the working efficiency of the existing metal pipe welding work need to be manually controlled, the placing position of the pipe needs to be controlled according to actual conditions during manual welding, the fixed pipe needs to be measured and scribed in advance, errors still exist during manual pipe placing, the quality of a formed workpiece is influenced, the pipe needs to be manually supported all the time before the pipe is not fixed during welding, smoke generated during welding and splashed welding slag have certain harm to human bodies, the health of workers is influenced, and the like.
(II) technical scheme
In order to solve the technical problems, the invention adopts the following technical scheme:
a welding process of alloy pipe fittings mainly comprises the following welding steps;
s1, preparing a material, preparing alloy pipe fittings needing to be welded, and distinguishing and stacking the transverse pipe and the vertical pipe during welding according to the specification;
s2, processing pipe fittings, namely cutting the cross pipe required by welding according to the specified size, processing the position of the vertical pipe required to be connected with the cross pipe, and uniformly placing the processed pipe fittings on the specified working position;
s3, preparing welding, fixing the stand pipe processed in the S2 to a specified position according to the processing rule, checking the fixed stability degree, and preventing the stand pipe from shaking;
welding the S4 transverse pipe, conveying the treated transverse pipe in the S2 to a specified welding position on the vertical pipe through a circulating conveying device, and welding and fixing the connecting position of the transverse pipe and the vertical pipe to obtain a welding workpiece;
s5, collecting and stacking, namely uniformly collecting the welding workpieces obtained in the S4, labeling and conveying the welding workpieces to a warehouse for storage;
the circulating conveying device used in the above comprises a fixed vertical frame; the lower side of the front end of the fixed vertical frame is symmetrically provided with a bottom support, the upper side of the front end of the fixed vertical frame is symmetrically provided with a top support in a sliding fit mode, fixed pillars are arranged between the bottom support and the top support, a base plate is connected between the two fixed pillars, chain wheels are symmetrically arranged on the left side and the right side of each fixed pillar, two chain wheels which correspond to each other up and down are connected through chains, material conveying assemblies are uniformly arranged between the chain wheels which are positioned on the left side and the right side of the fixed vertical frame, a feeding linkage member is arranged on the lower side of the front end of the base plate, a picking linkage member is arranged on the upper side of the rear end of the base plate, a picking assembly is arranged at the lower end of the picking linkage member;
the feeding linkage piece comprises a linkage support plate arranged on the lower side of the front end of the base plate, a linkage spring rod is arranged on the linkage support plate, a linkage transverse plate is arranged at the upper end of the linkage spring rod, contraction grooves are symmetrically formed in the left side and the right side of the linkage transverse plate, contraction frames are arranged in the contraction grooves in a sliding mode, the contraction spring rod is connected between the contraction frames and the linkage transverse plate, and the rear ends of the contraction frames are attached to the base plate in a sliding mode;
defeated material subassembly is including setting up the delivery board between the chain, and the left and right sides symmetry of delivery board is provided with and supports tight board, and the adjustment tank has been seted up to the left and right sides symmetry of delivery board, is provided with the regulation frame through the slip mode in the adjustment tank, is connected with the regulation spring beam between the inner wall of regulation frame and adjustment tank, and upper portion spring beam and lower part spring beam are installed respectively to the upper and lower both sides of regulation frame inner wall, installs the upper portion gripper jaw on the spring beam of upper portion, installs the lower part gripper jaw on the spring beam of lower part.
Further, the base plate includes bottom plate, fly leaf and support spring pole, and the bottom plate is installed on the fixed stay that is located fixed grudging post lower extreme, installs the support spring pole on the bottom plate, installs the fly leaf on the support spring pole, and the fly leaf is installed on the fixed stay that is located fixed grudging post upper end.
Furthermore, locating holes are formed between the upper clamping jaw and the lower clamping jaw in a staggered mode, corresponding through holes are formed in the upper side and the lower side of the adjusting frame, fixing holes parallel to the through holes are uniformly formed in the upper side and the lower side of the adjusting groove, fixing rods are arranged on the upper clamping jaw and the lower clamping jaw in a staggered mode, and the fixing rods penetrate through the locating holes and the through holes and are inserted into the fixing holes.
Further, the feeding assembly comprises a feeding cylinder installed at the front end of the linkage transverse plate, the feeding transverse plate is installed at the front end of the feeding cylinder, the control opening and closing frame is symmetrically installed on the left side and the right side of the feeding transverse plate, a driving cylinder is installed in the middle of the feeding transverse plate, a driving plate is installed on the driving cylinder, and the driving plate abuts against the conveying plate.
Furthermore, the picking assembly comprises a picking cylinder arranged on the linkage transverse plate, the picking transverse plate is arranged at the rear end of the picking cylinder, a double-shaft motor is arranged in the middle of the rear end of the picking transverse plate, lead screws are symmetrically connected to output shafts of the double-shaft motor, the lead screws are arranged on vertical plates through bearings, the vertical plates are fixed on the picking transverse plate, moving blocks are arranged on the lead screws, the moving blocks are arranged on the picking transverse plate in a sliding mode, picking opening and closing frames are arranged on the moving blocks, the picking opening and closing frames are identical to the control opening and closing frames in structure, moving rods are arranged on the side walls of the moving blocks, and the moving rods control the movement of the adjusting frames during moving;
furthermore, clamping holes are formed in the upper clamping jaw and the lower clamping jaw, clamping rods are slidably arranged in the clamping holes, springs are sleeved on the clamping rods, a clamping plate is mounted at one end, located on the inner side of each clamping hole, of each clamping rod, and triangular rubber blocks are uniformly arranged on the clamping plates;
furthermore, be connected with the screens piece through the rotation mode on the gripper jaw of lower part, be provided with the shifting chute on the inner wall of screens piece, it is provided with the control card to slide in the shifting chute, and the control card is connected on the inner wall of gripper jaw of lower part through the rotation mode, and is connected with the spring between the inner wall of control card and lower part gripper jaw, is provided with rear opening and front opening on the gripper jaw of lower part, is provided with the control rope on the control card, and the control rope passes front opening and rear opening and connects on the gripper jaw of upper portion.
Furthermore, the opening and closing control frame and the opening and closing picking frame are both of a step-shaped structure.
(III) advantageous effects
The invention has at least the following beneficial effects:
(1) the intelligent processing system for the alloy metal pipe fitting solves the technical problems that the labor intensity and the working efficiency of the manual control feeding work are low in the process of welding the metal pipe fitting, when the metal pipe fitting is welded manually, the placing position of the pipe fitting needs to be controlled according to actual conditions, the fixed pipe fitting needs to be measured and marked in advance, errors still exist when the pipe fitting is placed manually, the quality of a formed workpiece is affected, the pipe fitting needs to be supported manually all the time before the pipe fitting is not fixed, smoke generated in the process of welding and splashed welding slag damage human bodies to a certain extent and affect the body health of workers.
(2) The intelligent processing system for the alloy metal pipe fitting can accurately control the installation and fixation position of the metal pipe fitting in an automatic operation mode of the circulating feeding unit, improves the quality of the welded and formed metal pipe fitting, can realize position conversion of the designed upper clamping claw and the designed lower clamping claw according to the specific positions of grabbing the pipe fitting and placing the pipe fitting, ensures the safety of taking materials and can smoothly place the pipe fitting at the specified position, does not need manual auxiliary support in welding operation, and avoids welding slag and smoke from influencing the health of a human body.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, the embodiment provides a welding process for alloy pipes, which mainly includes the following welding steps
S1, preparing a material, preparing alloy pipe fittings needing to be welded, and distinguishing and stacking the transverse pipe and the vertical pipe during welding according to the specification;
s2, processing pipe fittings, namely cutting the cross pipe required by welding according to the specified size, processing the position of the vertical pipe required to be connected with the cross pipe, and uniformly placing the processed pipe fittings on the specified working position;
s3, preparing welding, fixing the stand pipe processed in the S2 to a specified position according to the processing rule, checking the fixed stability degree, and preventing the stand pipe from shaking;
welding the S4 transverse pipe, conveying the treated transverse pipe in the S2 to a specified welding position on the vertical pipe through a circulating conveying device, and welding and fixing the connecting position of the transverse pipe and the vertical pipe to obtain a welding workpiece;
s5, collecting and stacking, namely uniformly collecting the welding workpieces obtained in the S4, labeling and conveying the welding workpieces to a warehouse for storage;
the circulating conveying device used in the above comprises a fixed vertical frame 1, bottom brackets 41 are symmetrically installed on the lower side of the front end of the fixed vertical frame 1, top brackets 42 are symmetrically installed on the upper side of the front end of the fixed vertical frame 1 in a sliding fit mode, fixed supporting columns 43 are installed between the bottom brackets 41 and the top brackets 42, one end of each fixed supporting column 43 located between the top brackets 42 is connected to a servo motor, the servo motor is fixed on the outer wall of each top bracket 42, a base plate 44 is connected between the two fixed supporting columns 43, chain wheels 45 are symmetrically installed on the left side and the right side of each fixed supporting column 43, the two corresponding upper chain wheels 45 and the two corresponding lower chain wheels 45 are connected through chains 46, material conveying assemblies 4A are uniformly arranged between the chain wheels 45 on the left side and the right side of the fixed vertical frame 1, a feeding linkage member 4B is installed on the lower side of the front end of the base plate 44, a feeding assembly 4C is installed on the feeding linkage member 4B, and a picking linkage member 4D is installed on the upper side of the rear end of the base plate 44, the lower end of the picking linkage piece 4D is provided with a picking assembly 4E, and the feeding linkage piece 4B and the picking linkage piece 4D have the same main structure;
the servo motor is started to control the fixed support column 43 to rotate, the fixed support column 43 drives the chain wheel 45 to rotate in the rotating operation, the chain wheel 45 controls the chain 46 to do circulating motion in the operation, the chain 46 drives the material conveying assembly 4A to do synchronous motion in the motion, the picking linkage piece 4D and the picking assembly 4E are matched with each other in the operation to control the material conveying assembly 4A to clamp and take materials for the alloy pipe fitting, the feeding linkage piece 4B and the feeding assembly 4C are matched with each other to push and place the alloy pipe fitting, the safety of material taking is guaranteed, meanwhile, the pipe fitting can be smoothly placed at a specified position, and manual auxiliary supporting is not needed in the welding operation.
The feeding linkage piece 4B comprises a linkage support plate 4B1 arranged on the lower side of the front end of the base plate 44, a linkage spring rod 4B2 is arranged on the linkage support plate 4B1, a linkage transverse plate 4B3 is arranged at the upper end of the linkage spring rod 4B2, contraction grooves are symmetrically formed in the left side and the right side of the linkage transverse plate 4B3, contraction frames 4B4 are arranged in the contraction grooves in a sliding mode, a contraction spring rod 4B5 is connected between the contraction frames 4B4 and the linkage transverse plate 4B3, and the rear ends of the contraction frames 4B4 are attached to the base plate 44 in a sliding mode;
when the conveying plate 4A1 on the conveying assembly 4A circularly rotates, the pressing plate 4A2 presses the contraction rack 4B4 to abut against the driving linkage transverse plate 4B3 for height adjustment, the rear end of the contraction rack 4B4 slides and abuts against the base plate 44 in motion, the linkage spring rod 4B2 plays a role in supporting and resetting the linkage transverse plate 4B3, the feeding linkage piece 4B can be ensured to synchronously adjust the working position along with the motion of the conveying assembly 4A, the aim of accurately installing different installation positions of the pipe fittings can be further met, when the conveying assembly 4A moves to the upper position of the base plate 44, the position of the base plate 44 at the high position of the contraction rack 4B4 is higher, when the abutting plate 4A2 continuously abuts against the contraction rack 4B4, the contraction rack 4B4 contracts backwards, the abutting plate 4A2 is separated from the contraction rack 4B4 in motion, the contraction spring rod 4B5 controls the contraction rack 4B4 to reset, and the linkage spring rod 4B2 controls the linkage cross plate 4B3 to reset.
The pickup assembly 4E comprises a pickup cylinder 4E1 installed on the linkage transverse plate 4B3, a pickup transverse plate 4E2 is installed at the rear end of the pickup cylinder 4E1, a double-shaft motor 4E3 is installed in the middle of the rear end of the pickup transverse plate 4E2, a lead screw 4E4 is symmetrically connected to an output shaft of the double-shaft motor 4E3, the lead screw 4E4 is installed on a vertical plate through a bearing, the vertical plate is fixed on the pickup transverse plate 4E2, a moving block 4E5 is arranged on the lead screw 4E4, the moving block 4E5 is arranged on the pickup transverse plate 4E2 in a sliding manner, a pickup opening and closing frame 4E6 is installed on the moving block 4E5, the pickup opening and closing frame 4E6 has the same structure as the control opening and closing frame 4C3, a moving rod 4E7 is installed on the side wall of the moving block 4E5, and the moving rod 4E7 controls the movement of the adjusting frame 4A3 in the moving process;
the picking cylinder 4E1 is started to control the picking opening and closing frame 4E6 to control the material conveying assembly 4A to work, meanwhile, the moving rod 4E7 is controlled to be inserted into the adjusting groove and abutted against the outer wall of the adjusting frame 4A3, the double-shaft motor 4E3 is started, the double-shaft motor 4E3 controls the screw rod 4E4 to rotate, the rotating through the screw rod 4E4 drives the moving block 4E5 to adjust, so that the adjusting frame 4A3 is driven to move to a proper position, and the material conveying assembly 4A is ensured to be capable of stably clamping alloy pipe fittings.
Defeated material subassembly 4A is including setting up delivery board 4A1 between chain 46, delivery board 4A 1's left and right sides symmetry is provided with and supports tight board 4A2, delivery board 4A 1's left and right sides symmetry has seted up the adjustment tank, be provided with adjusting frame 4A3 through the sliding mode in the adjustment tank, be connected with between the inner wall of adjusting frame 4A3 and adjustment tank and adjust spring lever 4A4, upper portion spring beam and lower part spring beam are installed respectively to the upper and lower both sides of adjusting frame 4A3 inner wall, install upper portion centre gripping 4A5 on the spring lever of upper portion, install lower part centre gripping 4A6 on the spring lever of lower part.
In operation, when the opening/closing control frame 4C3 or the pickup opening/closing frame 4E6 is moved to be inserted into a position between the upper holding claw 4a5 and the lower holding claw 4a6, the upper holding claw 4a5 and the lower holding claw 4a6 are respectively opened and closed by the upper spring bar and the lower spring bar.
In order to ensure the stability of the adjusting frame 4A3 when working in the adjusting groove, positioning holes are alternately formed between the upper clamping claw 4a5 and the lower clamping claw 4a6, corresponding through holes are formed in the upper side and the lower side of the adjusting frame 4A3, fixing holes parallel to the through holes are uniformly formed in the upper side and the lower side of the adjusting groove, fixing rods 4a7 are alternately arranged on the upper clamping claw 4a5 and the lower clamping claw 4a6, and the fixing rods 4a7 penetrate through the positioning holes and the through holes to be inserted into the fixing holes.
When the upper clamping jaw 4A5 and the lower clamping jaw 4A6 are closed, the fixing rod 4A7 controls the fixing rod 4A7 to pass through the positioning hole and the through hole to be inserted into the fixing hole part to fix the position of the adjusting frame 4A3 in the process that the upper clamping jaw 4A5 and the lower clamping jaw 4A6 are attached and pressed mutually.
The opening and closing control frame 4C3 and the picking opening and closing frame 4E6 are both in a step-shaped structure. The opening and closing controlling frame 4C3 and the picking opening and closing frame 4E6 can be surely operated to control the opening and closing operation of the upper gripper jaw 4a5 and the lower gripper jaw 4a 6.
When the control opening and closing frame 4C3 or the picking opening and closing frame 4E6 is inserted into the position between the upper clamping claw 4a5 and the lower clamping claw 4a6, the position between the upper clamping claw 4a5 and the lower clamping claw 4a6 becomes larger, and the corresponding fixing rod 4a7 is synchronously driven to separate from the fixing hole.
After the alloy pipe fitting is welded and fixed, the control opening and closing frame 4C3 is inserted into a position between the upper clamping jaw 4A5 and the lower clamping jaw 4A6, the adjusting spring rod 4A4 can control the adjusting frame 4A3 to reset, and the upper clamping jaw 4A5 and the lower clamping jaw 4A6 can slide on the control opening and closing frame 4C 3.
Be connected with screens piece 4A61 through the rotation mode on the lower part gripper 4A6, be provided with the shifting chute on the inner wall of screens piece 4A61, it is provided with control card 4A62 to slide in the shifting chute, control card 4A62 connects on the inner wall of lower part gripper 4A6 through the rotation mode, and be connected with the spring between the inner wall of control card 4A62 and lower part gripper 4A6, be provided with rear opening and front opening on lower part gripper 4A6, be provided with control rope 4A63 on the control card 4A62, control rope 4A63 passes the front opening and is connected on upper part gripper 4A5 with the rear opening.
During material taking operation, the lower clamping claw 4A6 and the upper clamping claw 4A5 are opened under the operation of the picking opening and closing frame 4E6, the control card 4A62 is dragged by the lower clamping claw 4A6 through the control rope 4A63 in the opening operation, the control card 4A62 drives the clamping block 4A61 to rotate in the movement, the clamping block 4A61 synchronously extrudes the clamping plate 4A52 downwards in the rotation operation, so that alloy pipe fittings falling into the lower clamping claw 4A6 cannot slide out, the material taking safety is improved, and the spring plays a role in resetting on the control card 4A 62.
Clamping holes are formed in the upper clamping jaw 4A5 and the lower clamping jaw 4A6, clamping rods 4A51 are arranged in the clamping holes in a sliding mode, springs are sleeved on the clamping rods 4A51, a clamping plate 4A52 is arranged at one end, located on the inner side of each clamping hole, of each clamping rod 4A51, triangular rubber blocks are uniformly arranged on the clamping plates 4A52, and friction force for abutting against the alloy pipe fitting is improved by the triangular rubber blocks;
after the material is taken out, the upper clamping claw 4A5 and the lower clamping claw 4A6 are closed, and the clamping rod 4A51 tightly presses the alloy pipe through the clamping plate 4A52 under the action of a spring.
When the welding of the alloy pipe is completed, the lower clamping claw 4A6 and the upper clamping claw 4A5 are moved to the front side of the base plate 44, and the relative positions of the lower clamping claw 4A6 and the upper clamping claw 4A5 are switched, so that the welding and placing operation of the alloy pipe is not influenced.
The base plate 44 includes a bottom plate, a movable plate and a supporting spring rod, the bottom plate is mounted on the fixed support 43 located at the lower end of the fixed stand 1, the supporting spring rod is mounted on the bottom plate, the movable plate is mounted on the supporting spring rod, and the movable plate is mounted on the fixed support 43 located at the upper end of the fixed stand 1 through a bearing.
The feeding assembly 4C comprises a feeding cylinder 4C1 arranged at the front end of a linkage transverse plate 4B3, a feeding transverse plate 4C2 is arranged at the front end of the feeding cylinder 4C1, control opening and closing frames 4C3 are symmetrically arranged on the left side and the right side of the feeding transverse plate 4C2, a driving cylinder 4C4 is arranged in the middle of a feeding transverse plate 4C2, a driving plate 4C5 is arranged on the driving cylinder 4C4, and the driving plate 4C5 abuts against a conveying plate 4A 1.
The feeding cylinder 4C1 is started, the feeding cylinder 4C1 controls the linkage transverse plate 4B3 to extend and retract, the linkage transverse plate 4B3 drives the driving plate 4C5 to abut against the conveying plate 4a1 through the driving cylinder 4C4 in the extending and retracting operation, the conveying plate 4a1 is synchronously driven to move, the conveying plate 4a1 synchronously drives the chain 46 to move in the moving process, the chain 46 drives the movable plate to extend and retract through the supporting spring rod in the moving process, so that the top bracket 42 is synchronously driven to slide and adjust, the feeding cylinder 4C1 controls the alloy pipe to be conveyed to a welding position, after the alloy pipe is finished, the feeding cylinder 4C1 continuously moves to drive the opening and closing bracket 4C3 to extrude the upper clamping claw 4a5 and the lower clamping claw 4A6, the upper clamping claw 4a5 and the lower clamping claw 4A6 are opened, and the feeding cylinder 4C1 and the driving cylinder 4C4 are reset.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.