CN113732703B - Automatic welding and trimming matching device and welding and trimming method for screen mesh - Google Patents
Automatic welding and trimming matching device and welding and trimming method for screen mesh Download PDFInfo
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- CN113732703B CN113732703B CN202111059135.1A CN202111059135A CN113732703B CN 113732703 B CN113732703 B CN 113732703B CN 202111059135 A CN202111059135 A CN 202111059135A CN 113732703 B CN113732703 B CN 113732703B
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- upper clamping
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- 238000003466 welding Methods 0.000 title claims abstract description 79
- 238000009966 trimming Methods 0.000 title claims abstract description 42
- 238000000034 method Methods 0.000 title claims abstract description 14
- 238000003825 pressing Methods 0.000 claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 39
- 239000003638 chemical reducing agent Substances 0.000 claims description 11
- 238000005520 cutting process Methods 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 229910052802 copper Inorganic materials 0.000 claims description 7
- 239000010949 copper Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 238000005056 compaction Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 6
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Wire Processing (AREA)
Abstract
The invention discloses an automatic welding and trimming matching device and a welding and trimming method for a screen, wherein a large rotary support with a supporting table is arranged on a base, and a tooling die is arranged on the supporting table; the lower clamping installation frame and the upper clamping installation frame are arranged on the supporting table, a jacking cylinder on the supporting table is connected with the lower clamping installation frame, and a lower clamping ring is arranged on the lower clamping installation frame; the upper clamping mounting frame is provided with an upper clamping ring; a pressing cylinder is arranged in the middle of the upper frame support, a small slewing bearing is connected with the pressing cylinder, and a pressing plate is arranged on the lower end surface of the small slewing bearing; a transverse linear module is arranged on the upper frame support, a longitudinal linear module is arranged on the transverse linear module, and a roller welding machine and an angle grinder are arranged on the longitudinal linear module. According to the invention, through the steps of initial equipment resetting, net clamping, net rack compacting, net rack welding, net rack trimming, equipment resetting and the like, automatic welding and trimming of the screen are realized, the efficiency is high, and the product quality is stable.
Description
Technical Field
The invention relates to welding and trimming of a screen, in particular to an automatic welding and trimming matching device of the screen, and also relates to a welding and trimming method of the matching device.
Background
Screens are now widely used in automatic screening machines. At present, the screen production in China is mostly realized by manpower. Firstly, manually blanking, rolling to prepare a net rack, then manually placing a cut net on a clamp, pressing an upper pressing plate, fixing a circle of bolts to clamp the net rack, cutting off redundant net racks, placing the net rack under the clamp, fixing the clamp and the net rack together by using a pressing plate, tensioning the net rack, welding by using melted tin liquor, welding the net rack on the net rack, then loosening the pressing plate, loosening a circle of bolts to separate the upper and lower clamps, cutting off redundant net racks, and polishing. The whole manufacturing process needs two workers to cooperate simultaneously, the labor intensity is high, the working efficiency is low, the labor cost is high, and the stability and consistency of the product quality cannot be ensured.
Disclosure of Invention
The invention aims to solve the technical problems of providing a semi-automatic assembling, full-automatic net pressing, full-automatic net welding, full-automatic net cutting, automatic net welding and trimming matching device and a welding and trimming method for a screen of the full-automatic net cutting.
In order to solve the technical problems, the invention adopts the following technical scheme: the automatic welding and trimming matching device for the screen comprises a base and an upper frame support on the base, wherein a large rotary support is arranged on the base, a supporting table is arranged on the large rotary support, and a tooling die is arranged on the supporting table; the lower clamping installation frame and the upper clamping installation frame positioned on the lower clamping installation frame are sleeved on the upright posts on the supporting table in a penetrating way, the piston rod ends of the two jacking cylinders symmetrically arranged on the supporting table are connected with the lower clamping installation frame, and the lower clamping installation frame is provided with a lower clamping ring; a plurality of clamping cylinders are uniformly arranged on an upper clamping installation frame positioned above the lower clamping installation frame, the piston rod end of each clamping cylinder is connected with the lower clamping installation frame, and an upper clamping ring is arranged on the upper clamping installation frame; a compression cylinder is arranged in the middle of the upper frame support, a small slewing bearing is connected with the piston rod end of the compression cylinder, a pressing plate is arranged on the lower end surface of the small slewing bearing, and the pressing plate is positioned between the frame bodies of the upper clamping installation frame; a transverse linear module driven by a transverse linear module servo motor is arranged on the upper frame support, a longitudinal linear module driven by a longitudinal linear module servo motor is arranged on the transverse linear module, and a roller welding machine and an angle grinder are arranged on the longitudinal linear module; the controller arranged in the control cabinet controls the control connection of each part.
Two groups of upright posts are symmetrically arranged on the supporting table, two guide posts are respectively arranged on two sides of each group of upright posts on the supporting table, the lower clamping installation frame is sleeved on the four upright posts and the four guide posts, and the upper parts of the two guide posts beside each group of upright posts are connected with the guide post installation plate.
The large slewing bearing is driven by a servo motor arranged on the base through a gear at the output end of the speed reducer, the large slewing bearing is driven to rotate by +/-360 degrees, and an electric circuit of the large slewing bearing is connected through an electronic slip ring.
The upper clamping ring is connected with the upper clamping mounting frame through a plurality of upper clamping ring positioning blocks, and the lower clamping ring is connected with the lower clamping mounting frame through a plurality of lower clamping ring positioning blocks.
The upper clamping ring and the lower clamping ring are respectively provided with a double-channel groove, and when the upper clamping ring and the lower clamping ring are contacted, the double-channel grooves of the upper clamping ring and the corresponding double-channel grooves of the lower clamping ring can be meshed together up and down.
The longitudinal linear module is connected with the sliding block on the transverse linear module through the longitudinal linear module connecting bracket on the longitudinal linear module.
The sliding block of the longitudinal linear module is provided with a roller and an angle grinder connecting bracket, the roller and the angle grinder connecting bracket are provided with an angle grinder fixing frame, the angle grinder fixing frame is provided with an angle grinder, and the angle grinder is controlled by a linear cylinder arranged on the roller and the angle grinder connecting bracket; a roller mounting bracket is arranged on a connecting bracket of the roller and the angle grinder, a roller adjusting guide post is arranged at the lower part of the roller mounting bracket, a roller adjusting block is arranged on the roller adjusting guide post, a roller copper column fixing block is arranged on the roller adjusting block, and a roller is arranged on the roller copper column fixing block.
The welding trimming method provided by the invention comprises the following steps of:
(1) Initial reset: manually operating on an operation panel of the controller, clicking to return to the original point, automatically returning the system to the original point position, namely returning the supporting table to the original point position, returning the pressing cylinder to the original point, jacking the cylinder, loosening the clamping cylinder, and returning the transverse linear module and the longitudinal linear module to the original point position;
(2) Mesh clamping: manually placing the net rack into a positioning block on the net rack mounting plate, placing the net piece between an upper clamping ring and a lower clamping ring, clicking a starting button on an operation panel of a controller, controlling an electromagnetic valve by the controller, driving four clamping cylinders to simultaneously start a net piece clamping action, and driving an upper clamping mounting frame and the upper clamping ring to move downwards by the action of the clamping cylinders to clamp the net piece by being meshed with the lower clamping ring;
(3) Mesh net rack compaction: the PLC controls the electromagnetic valve to drive the two jacking cylinders to start, and drives the upper clamping mounting frame, the lower clamping ring, the upper clamping ring and the net sheet to act downwards, so that the net sheet is tightly stretched on the net frame; PCL controls the electromagnetic valve to drive the compressing cylinder to act, and the compressing cylinder drives the small slewing bearing and the pressing plate to act downwards so as to tightly press the net piece and the net rack together.
(4) Mesh net rack welding: the PLC controller controls the transverse linear module and the longitudinal linear module to act, automatically connects the roller of the roller welding machine to the welding position of the net rack, starts a welding power supply to weld, controls a servo motor to start, drives a speed reducer to rotate, drives a large slewing bearing to rotate, drives an upper clamping mounting frame, a lower clamping ring, an upper clamping ring, the net rack and the net rack to rotate together, drives a pressing plate and a small slewing bearing to rotate again, and welds the net rack and the net rack which do circular motion around the center.
(5) Trimming the net sheet: when the supporting table rotates for 360 degrees and welding is finished, the PLC controls the roller welding machine to stop welding, then the PLC controls the longitudinal linear module to move upwards, the roller welding machine is lifted to leave the net sheet, the angle grinder is started, the PLC controls the linear cylinder to move, the angle grinder moves downwards to cut through the net sheet, then the servo motor is reversely started, the speed reducer is driven to reversely rotate, the large slewing bearing drives the upper clamping mounting frame, the lower clamping ring, the upper clamping ring, the net frame and the net sheet to reversely rotate together, the net frame drives the pressing plate and the small slewing bearing to reversely rotate, the position of the angle grinder is not moved, and the net sheet which moves reversely and circularly around the center is subjected to trimming treatment.
(6) Resetting the device: when the reverse rotation of the supporting table is finished by 360 degrees and the edge cutting is finished, the PLC controls the angle grinder to stop working, then controls the longitudinal linear module to move upwards to lift the angle grinder away from the net sheet, the PLC controls the linear cylinder to move to lift the angle grinder, and then controls the transverse linear module and the longitudinal linear module to move to return the position to the original point automatically; then the PLC controls the action of a pressing cylinder, and the pressing cylinder drives the small slewing bearing and the pressing plate to move upwards to leave the net sheet; then the PLC controls the two jacking cylinders to act so as to drive the upper clamping mounting frame, the lower clamping ring and the upper clamping ring to integrally act upwards; and then the PLC controls the four clamping cylinders to act, drives the upper clamping mounting frame and the upper clamping ring to act upwards, separates the meshes, takes out the welded screen mesh and the cut redundant screen mesh manually, and completes automatic welding and trimming of the screen mesh.
The automatic welding and trimming matching device and the trimming method for the screen, which are designed by adopting the technical scheme, have the following beneficial effects:
1. according to the invention, by means of automatic roller welding and automatic trimming, the working efficiency can be greatly improved, the labor intensity is reduced, the product quality is improved, and a great amount of manpower and time required by the traditional mode splicing are saved;
2. according to the invention, through the adjustment of the tool clamp, four sets of standard dies can be replaced for welding, so that one machine is multipurpose, flexible production is realized, the working efficiency can be greatly improved, and the stability and consistency of the product quality are ensured;
3. according to the invention, the electromagnetic valve is used for controlling the action of the clamping cylinder to drive the upper and lower clamping mounting frames to act, so that the upper and lower clamping rings can automatically clamp the net sheets, the working efficiency is greatly improved, the labor intensity of workers is reduced, and the product quality is improved;
4. according to the invention, the lifting cylinder is controlled to act through the electromagnetic valve, so that the mesh is automatically tensioned by the upper and lower clamping mounting frames and the supporting table, the flatness and the tension requirement of the screen are further ensured, the working efficiency is greatly improved, the labor intensity of workers is reduced, and the product quality is improved;
5. according to the invention, the electromagnetic valve is used for controlling the action of the pressing cylinder to drive the small slewing bearing and the pressing plate to descend, the mesh is pressed, the speed reducer is driven by the servo motor to rotate to drive the large slewing bearing to rotate, the large slewing bearing drives the supporting table to rotate, the upper and lower clamping mounting frames, the upper and lower clamping rings and the screen are driven to rotate, the screen drives the pressing plate and the small slewing bearing to rotate, the pressing plate and the small slewing bearing are driven to rotate, the linkage of the upper and lower slewing bearings is realized, the pressure is ensured to be certain in the whole welding process, and the welding quality is ensured.
6. According to the invention, only one staff is required to operate, the net rack and the net sheet are put at the designated positions by the staff, the system can be automatically started to enter a full-automatic mode by clicking the starting button, the clamping, tensioning and welding processes and the trimming process of the net rack and the net sheet are all automated, manual intervention is not required, the operation efficiency can be remarkably improved, the consistency and stability of the welding quality of products are improved, the labor intensity of workers is reduced, and the labor cost is reduced.
Drawings
FIG. 1 shows a schematic diagram of the front view of the present invention;
FIG. 2 shows a schematic perspective view of the present invention;
FIG. 3 shows a schematic structural view of the clamping fixture device for the net rack and the net sheet of the present invention;
fig. 4 shows a schematic structural view of the roller welding and trimming device of the present invention.
In the figure: 1-large slewing bearing, 2-precise speed reducer, 3-servo motor, 4-guard plate, 5-supporting table, 6-guide column, 7-lower clamping installation frame, 8-lower clamping ring, 9-pressing plate, 10-small slewing bearing, 11-clamping cylinder, 12-guide pillar installation plate, 13-transverse linear module photoelectric switch, 14-upper frame support, 15-upper clamping ring, 16-upper clamping installation frame, 17-pressing cylinder, 18-roller welding power supply, 19-transverse linear module, 20-transverse linear module drag chain, 21-longitudinal linear module, 22-upright post, 23-cylinder movable joint, 24-guide sleeve, 25-jacking cylinder, 26-base, 27-adjustable foot, the device comprises a 28-grid, a 29-grid mounting plate, a 30-upper clamping ring positioning block, a 31-lower clamping ring positioning block, a 32-transverse linear module servo motor, a 33-longitudinal linear module photoelectric switch, a 34-drag chain groove, a 35-transverse linear module sliding block, a 36-longitudinal linear module servo motor, a 37-longitudinal linear module connecting bracket, a 38-longitudinal linear module sliding block, a 39-roller and angle grinder connecting bracket, a 40-linear cylinder, a 41-angle grinder fixing bracket, a 42-angle grinder, a 43-roller welding machine roller, a 44-roller copper column fixing block, a 45-roller adjusting block, a 46-roller adjusting guide post and a 47-roller mounting bracket.
Detailed Description
The invention relates to a matching device for automatic welding and trimming of a screen and a trimming method, which are specifically described below with reference to the accompanying drawings.
The invention relates to an automatic welding and trimming matching device for a screen, which is shown in fig. 1 to 4, and comprises a base 26 and an upper frame support 14 on the base 26, wherein the upper part of the upper frame support 14 is at a certain height from the base 26, so that the rotation of a supporting table 5 within +/-360 degrees and the loading and unloading of a workpiece are not affected. The large slewing bearing 1 is arranged on the base 26, the large slewing bearing 1 is driven by a servo motor 3 arranged on the base 26 through a gear at the output end of the precision speed reducer 2, so that the large slewing bearing 1 is driven to rotate within an angle of +/-360 degrees, and an electric circuit of the large slewing bearing 1 is connected through an electronic slip ring. The large rotary support 1 is provided with the support table 5, the support table 1 is provided with the tooling dies for welding the screen, different tooling dies can be manufactured according to different product specifications, and the four-set-specification tooling dies can be replaced for welding, so that one machine is multipurpose and flexible production is realized. The net rack 28 and the net sheet can be manually placed in a tooling die on the supporting table 5 according to requirements, and can rotate by +/-360 degrees through the large slewing bearing 1, and the net rack 28 is arranged on the net rack mounting plate 29. The supporting table 5 is provided with a plurality of upright posts 22, two groups of upright posts are symmetrically arranged, two guide posts 6 are respectively arranged on two sides of each group of upright posts on the supporting table 5, the lower clamping and mounting frame 7 and the upper clamping and mounting frame 16 are sleeved on the four upright posts and the four guide posts, guide sleeves 24 are respectively arranged at the joints of the lower clamping and mounting frame 7, the upper clamping and mounting frame 16 and the guide posts 6, and the upper parts of the two guide posts beside each group of upright posts are connected with a guide post mounting plate 12. The piston rod ends of two jacking cylinders 25 symmetrically arranged on the supporting table 5 are connected with a lower clamping installation frame 7, and a lower clamping ring 8 is connected to the lower clamping installation frame 7 through a plurality of lower clamping ring positioning blocks 31. A plurality of clamping cylinders 11 are uniformly arranged on an upper clamping mounting frame 16 positioned above the lower clamping mounting frame 7, the piston rod end of each clamping cylinder 11 is connected with the lower clamping mounting frame 7 through a corresponding cylinder movable joint 23, and an upper clamping ring 15 is connected on the upper clamping mounting frame 16 through a plurality of upper clamping ring positioning blocks 30. The upper surface of the upper clamping ring 15 and the lower surface of the lower clamping ring 8 are respectively provided with a double-channel groove, and when the upper clamping ring 18 and the lower clamping ring 8 are contacted, the double-channel grooves of the upper clamping ring 15 and the corresponding double-channel grooves of the lower clamping ring 8 can be snapped together up and down. A pressing cylinder 17 is arranged in the middle of the upper frame support 14, a small slewing bearing 10 is connected with the piston rod end of the pressing cylinder 17, a pressing plate 9 is connected with the lower end face of the small slewing bearing 10, the pressing plate 9 is positioned in the middle of the frame body of the upper clamping installation frame 16, and the small slewing bearing 10 and the pressing plate 9 move up and down along with the pressing cylinder 17 so as to press the net sheet, so that the net sheet is conveniently welded. The lower clamping mounting frame 7, the upper clamping mounting frame 16, the upper clamping ring 15, the lower clamping ring 8, the jacking cylinder 25, the clamping cylinder 11, the guide post 6, the upright post 22 and the guide post mounting plate 12 are all fixed on the supporting table 5 and are integrated with the supporting table 5, and the clamping, loosening and tensioning of the net sheet are completed on the supporting table 5 along with the rotation of +/-360 degrees of the supporting table 5.
Referring to fig. 1 and 4, a transverse linear module 19 is provided on the upper frame 14, the transverse linear module 19 is driven by a transverse linear module servo motor 32, a drag chain groove 34 is provided on the transverse linear module 19, a transverse linear module drag chain 20 is provided in the drag chain groove 34, a transverse linear module slider 35 is provided on the transverse linear module 19, and a transverse linear module photoelectric switch 13 is also provided on the transverse linear module 19. The transverse linear module 19 has high control precision, can adjust the transverse distance, namely the outer diameter of the net rack, and can automatically adjust the outer diameter according to different specifications of products. The longitudinal linear module 21 is connected to the transverse linear module slider 35 by a longitudinal linear module connecting bracket 37 thereon, the longitudinal linear module 21 is driven by a longitudinal linear module servo motor 36, and a longitudinal linear module photoelectric switch 33 is also provided on the longitudinal linear module 21. The longitudinal linear module 21 has high control precision, the transverse distance is automatically adjusted by the transverse linear module 19, and the vertical distance is automatically adjusted by the longitudinal linear module 21. A longitudinal linear module sliding block 38 is arranged on the longitudinal linear module 21, a roller and angle grinder connecting support 39 is arranged on the longitudinal linear module sliding block 38, a linear cylinder 40 is arranged on the roller and angle grinder connecting support 39, an angle grinder fixing frame 41 is arranged at the piston rod end of the linear cylinder 40, an angle grinder 42 is arranged on the angle grinder fixing frame 41, and the height lifting of the angle grinder 42 is controlled by the linear cylinder 40. A roller mounting bracket 47 is arranged on the roller and angle grinder connecting bracket 39, a roller adjusting guide post 46 is arranged at the lower end of the roller mounting bracket 47, a roller adjusting block 45 is arranged at the lower end of the roller adjusting guide post 46 in a connecting mode, a roller copper column fixing block 44 is arranged on the roller adjusting block 45, a roller welding machine roller 43 is arranged on the roller copper column fixing block 44, a roller welding power supply 18 is arranged on the upper frame bracket 14 and is connected with the roller welding machine roller 43 through a positive electrode wire, a negative electrode wire is connected with the base 26, and a loop is formed when the roller welding machine roller 43 contacts the net rack 28. The longitudinal linear module 21 automatically adjusts the distance between the roller 43 of the roller welder and the net sheet, and the longitudinal linear module 21 stops descending when the roller 43 of the roller welder contacts the net sheet to weld; when the edge is cut, the angle grinder 42 is singly ejected out of the linear cylinder 40, so that the cutting piece of the angle grinder 42 and the roller 43 of the roller welder are not at the same height, the longitudinal linear module 21 automatically adjusts the distance between the angle grinder 42 and the net sheet, and when the cutting piece of the angle grinder 42 cuts through the net sheet, the longitudinal linear module 21 stops descending to cut the edge.
The invention controls each part to operate in coordination by a PLC controller arranged in a control cabinet. An adjustable foot 27 is also arranged at the lower bottom of the base 26, and a guard plate 4 is also arranged around the lower bottom of the base 26.
The welding and cutting method comprises the following steps:
(1) Initial reset: the staff operates on the controller operation panel and clicks back to the original point, the system automatically returns to the original point position, namely the supporting table 5 returns to the original point position, the compressing cylinder 17 returns to the original point, the jacking cylinder 25 jacks up, the clamping cylinder 11 is loosened, and the transverse linear module 19 and the longitudinal linear module 21 both return to the original point position;
(2) Mesh clamping: the net rack 28 is placed in a positioning block on the net rack mounting plate 29 by staff, and then the net sheet is placed between the upper clamping ring 15 and the lower clamping ring 8, so that the peripheral residual materials are ensured to be basically consistent. Then, the staff clicks a start button on the operation panel, the system automatically enters an automatic mode to operate, and the staff only needs to watch the start button on one side. The system controls the electromagnetic valve through the PLC, at first drives four clamping cylinders 11 to start simultaneously and carry out net clamping action, and the clamping cylinders 11 act to drive an upper clamping installation frame 16 to act downwards, so that an upper clamping ring 15 is driven to follow the downwards action and is meshed with a lower clamping ring 8 to clamp the net, and as the upper surfaces of the lower clamping ring 8 and the upper clamping ring 15 are provided with grooves which are meshed up and down in a double way, a circle of net is meshed between the upper clamping ring and the lower clamping ring, and the net is clamped.
(3) Mesh net rack compaction: the PLC controls the solenoid valve to drive the two jacking cylinders 25 to start, drives the upper clamping installation frame 16, the lower clamping installation frame 7, the lower clamping ring 8, the upper clamping ring 15 and the net sheet to move downwards, and as the net frame 28 is fixed on the net frame installation plate 29, the net frame 28 and the lower clamping installation frame 7 have a certain height difference, after the net sheet contacts the net frame 28 by the downward movement, the jacking cylinders 25 continue to move downwards due to the height difference, so that the net sheet is tightly stretched on the net frame 28, and the flatness and the tension requirement of the net sheet are ensured. Then the PCL controls the electromagnetic valve to drive the compressing air cylinder 17 to act, and the compressing air cylinder 17 drives the small slewing bearing 10 and the pressing plate 9 to act downwards so as to tightly press the net sheet and the net frame 28 together.
(4) Mesh net rack welding: then the PLC controls the transverse linear module 19 and the longitudinal linear module 21 to act, automatically butt-joints the roller 43 of the roller welder to the welding position of the net rack 28, automatically starts a welding power supply to weld, starts the PLC controls the servo motor 3 to drive the precise speed reducer 2 to rotate, drives the large slewing bearing 1 to rotate, and drives the upper clamping mounting frame 16, the lower clamping mounting frame 7, the lower clamping ring 8, the upper clamping ring 15, the net rack 28 and the net rack 28 to rotate together, and drives the pressing plate 9 and the small slewing bearing 10 to rotate, the roller 43 of the roller welder is fixed in position, and welds the net rack 28 and the net rack 28 which do circular motion around the center.
(5) Trimming the net sheet: when the supporting table 5 rotates for 360 degrees and welding is finished, the PLC controls the roller welding machine to stop welding, then the PLC controls the longitudinal linear module 21 to move upwards, the roller welding machine roller 43 is lifted to leave a certain height of the net sheet, then the PLC controls the angle grinder 42 to start, the PLC controls the electromagnetic valve to drive the linear cylinder 40 to move, the angle grinder 42 moves downwards to cut through the net sheet, then the PLC controls the servo motor 3 to start reversely, the precise speed reducer 2 is driven to rotate reversely, the large slewing bearing 1 drives the upper clamping mounting frame 16, the lower clamping mounting frame 7, the lower clamping ring 8, the upper clamping ring 15, the net frame 28 and the net sheet to rotate reversely, the net frame 28 drives the pressing plate 9 and the small slewing bearing 10 to rotate reversely, the angle grinder 42 is fixed, and the net sheet which moves reversely and circularly around the center is subjected to edge cutting treatment.
(6) Resetting the device: when the reverse rotation of the supporting table 5 to 360 degrees is finished, the PLC controls the angle grinder 42 to stop working, then the PLC controls the longitudinal linear module 21 to act upwards to lift the angle grinder 42 to a certain height away from the net sheet, the PLC controls the electromagnetic valve to drive the linear cylinder 40 to act to lift the angle grinder 42, and then the PLC controls the transverse linear module 19 and the longitudinal linear module 21 to act to automatically return the positions to the original positions. Then the PLC controls the electromagnetic valve to drive the compressing air cylinder 17 to act, and the compressing air cylinder 17 drives the small slewing bearing 10 and the pressing plate 9 to act upwards to leave the net sheet. Then the PLC controls the electromagnetic valve to drive the two jacking air cylinders 25 to act so as to drive the upper clamping mounting frame 16, the lower clamping mounting frame 7, the lower clamping ring 8 and the upper clamping ring 15 to integrally act upwards. And then the PLC controls the electromagnetic valve to drive the four clamping cylinders 11 to act so as to drive the upper clamping mounting frame 16 and the upper clamping ring 15 to act upwards, the meshes are separated, the welded screen mesh and the cut redundant meshes are taken out by staff, and the automatic welding and trimming of the screen mesh are completed. Then the next net rack 28 is put into the positioning block on the net rack mounting plate 29 by staff, the net sheet is put between the upper clamping ring 15 and the lower clamping ring 8, the consistency of the peripheral residual materials is ensured, then the staff clicks a start button on the operation panel, the system automatically enters an automatic mode to operate, the manual intervention is not needed to perform automatic welding and automatic trimming operation, the cycle is adopted, the work efficiency and the labor intensity of the staff are greatly improved, the labor cost is greatly saved, and the stability and consistency of products are provided.
When the product specification is replaced, the production of different product specifications can be realized only by replacing the lower clamping ring 8, the upper clamping ring 15 and the pressing plate 9 of the product, and the operation is simple and convenient. The invention can realize products with four different product specifications, has multiple functions, and greatly saves the cost of various specifications and various equipment.
The whole process of clamping, tensioning, welding and trimming the mesh of the screen is automatic, full-automatic unmanned operation can be realized only by clicking a start button of the controller after manual feeding is finished, the key effect is achieved in automatic production and manufacturing of the screen, the welding and trimming efficiency of the screen can be remarkably improved, the consistency and stability of the welding quality of the screen are improved, and the labor cost and the labor intensity can be greatly reduced.
Claims (7)
1. The automatic welding and trimming matching device for the screen comprises a base and an upper frame support on the base, and is characterized in that a large rotary support is arranged on the base, a supporting table is arranged on the large rotary support, and a tooling die is arranged on the supporting table; the lower clamping installation frame and the upper clamping installation frame positioned on the lower clamping installation frame are sleeved on the upright posts on the supporting table in a penetrating way, the piston rod ends of the two jacking cylinders symmetrically arranged on the supporting table are connected with the lower clamping installation frame, and the lower clamping installation frame is provided with a lower clamping ring; a plurality of clamping cylinders are uniformly arranged on an upper clamping installation frame positioned above the lower clamping installation frame, the piston rod end of each clamping cylinder is connected with the lower clamping installation frame, and an upper clamping ring is arranged on the upper clamping installation frame; a compression cylinder is arranged in the middle of the upper frame support, a small slewing bearing is connected with the piston rod end of the compression cylinder, a pressing plate is arranged on the lower end surface of the small slewing bearing, and the pressing plate is positioned between the frame bodies of the upper clamping installation frame; a transverse linear module driven by a transverse linear module servo motor is arranged on the upper frame support, a longitudinal linear module driven by a longitudinal linear module servo motor is arranged on the transverse linear module, and a roller welding machine and an angle grinder are arranged on the longitudinal linear module; the controller is arranged in the control cabinet and controls the control connection of each part;
the automatic welding and trimming method comprises the following steps:
(1) Initial reset: manually operating on an operation panel of the controller, clicking to return to the original point, automatically returning the system to the original point position, namely returning the supporting table to the original point position, returning the pressing cylinder to the original point, jacking the cylinder, loosening the clamping cylinder, and returning the transverse linear module and the longitudinal linear module to the original point position;
(2) Mesh clamping: manually placing the net rack into a positioning block on the net rack mounting plate, placing the net piece between an upper clamping ring and a lower clamping ring, clicking a starting button on an operation panel of a controller, controlling an electromagnetic valve by the controller, driving four clamping cylinders to simultaneously start a net piece clamping action, and driving an upper clamping mounting frame and the upper clamping ring to move downwards by the action of the clamping cylinders to clamp the net piece by being meshed with the lower clamping ring;
(3) Mesh net rack compaction: the PLC controls the electromagnetic valve to drive the two jacking cylinders to start, and drives the upper clamping mounting frame, the lower clamping ring, the upper clamping ring and the net sheet to act downwards, so that the net sheet is tightly stretched on the net frame; the PCL controls the electromagnetic valve to drive the compressing cylinder to act, and the compressing cylinder drives the small slewing bearing and the pressing plate to act downwards so as to tightly press the net sheet and the net frame together;
(4) Mesh net rack welding: the PLC controls the transverse linear module and the longitudinal linear module to act, automatically connects the roller of the roller welding machine to the welding position of the net rack, starts a welding power supply to weld, controls a servo motor to start, drives a speed reducer to rotate, drives a large slewing bearing to rotate, and drives an upper clamping mounting frame, a lower clamping ring, an upper clamping ring, the net rack and a net rack to rotate together, and drives a pressing plate and a small slewing bearing to rotate, wherein the roller of the roller welding machine is fixed in position, and welds the net rack and the net rack which do circular motion around the center;
(5) Trimming the net sheet: when the supporting table rotates for 360 degrees and welding is finished, the PLC controls the roller welding machine to stop welding, then the PLC controls the longitudinal linear module to move upwards, the roller welding machine is lifted to leave the net sheet, the angle grinder is started, the PLC controls the linear cylinder to move, the angle grinder moves downwards to cut through the net sheet, then the servo motor is reversely started, the speed reducer is driven to reversely rotate, the large slewing bearing drives the upper clamping mounting frame, the lower clamping ring, the upper clamping ring, the net frame and the net sheet to reversely rotate together, the net frame drives the pressing plate and the small slewing bearing to reversely rotate, the position of the angle grinder is not moved, and the net sheet which reversely and circularly moves around the center is subjected to trimming treatment;
(6) Resetting the device: when the reverse rotation of the supporting table is finished by 360 degrees and the edge cutting is finished, the PLC controls the angle grinder to stop working, then controls the longitudinal linear module to move upwards to lift the angle grinder away from the net sheet, the PLC controls the linear cylinder to move to lift the angle grinder, and then controls the transverse linear module and the longitudinal linear module to move to return the position to the original point automatically; then the PLC controls the action of a pressing cylinder, and the pressing cylinder drives the small slewing bearing and the pressing plate to move upwards to leave the net sheet; then the PLC controls the two jacking cylinders to act so as to drive the upper clamping mounting frame, the lower clamping ring and the upper clamping ring to integrally act upwards; and then the PLC controls the four clamping cylinders to act, drives the upper clamping mounting frame and the upper clamping ring to act upwards, separates the meshes, takes out the welded screen mesh and the cut redundant screen mesh manually, and completes automatic welding and trimming of the screen mesh.
2. The automatic welding and trimming matching device for the screen cloth according to claim 1, wherein two groups of upright posts are symmetrically arranged on the supporting table, two guide posts are respectively arranged on two sides of each group of upright posts on the supporting table, the lower clamping installation frame is sleeved on the four upright posts and the four guide posts, and the upper parts of the two guide posts beside each group of upright posts are connected with the guide post installation plate.
3. The automatic welding and trimming matching device for the screen cloth according to claim 1, wherein the large slewing bearing is driven by a servo motor arranged on the base through a gear at the output end of a speed reducer to drive the large slewing bearing to rotate by +/-360 degrees, and an electric circuit of the large slewing bearing is connected through an electronic slip ring.
4. The automatic welding and trimming matching device for the screen cloth, according to claim 1, wherein the upper clamping ring is connected with the upper clamping mounting frame through a plurality of upper clamping ring positioning blocks, and the lower clamping ring is connected with the lower clamping mounting frame through a plurality of lower clamping ring positioning blocks.
5. The automatic welding and trimming matching device for the screen cloth according to claim 1, wherein the upper clamping ring and the lower clamping ring are respectively provided with a double groove, and when the upper clamping ring and the lower clamping ring are contacted, the double grooves of the upper clamping ring and the corresponding double grooves of the lower clamping ring can be snapped together up and down.
6. The automatic welding and trimming matching device for the screen cloth, according to claim 1, wherein the longitudinal linear module is connected with the sliding block on the transverse linear module through the longitudinal linear module connecting bracket on the longitudinal linear module.
7. The automatic welding and trimming matching device for the screen cloth according to claim 1, wherein a roller and an angle grinder connecting bracket are arranged on a sliding block of the longitudinal linear module, an angle grinder fixing frame is arranged on the roller and the angle grinder connecting bracket, an angle grinder is arranged on the angle grinder fixing frame, and the angle grinder is controlled by a linear cylinder arranged on the roller and the angle grinder connecting bracket; a roller mounting bracket is arranged on a connecting bracket of the roller and the angle grinder, a roller adjusting guide post is arranged at the lower part of the roller mounting bracket, a roller adjusting block is arranged on the roller adjusting guide post, a roller copper column fixing block is arranged on the roller adjusting block, and a roller is arranged on the roller copper column fixing block.
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| CN202111059135.1A CN113732703B (en) | 2021-09-10 | 2021-09-10 | Automatic welding and trimming matching device and welding and trimming method for screen mesh |
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| CN202111059135.1A CN113732703B (en) | 2021-09-10 | 2021-09-10 | Automatic welding and trimming matching device and welding and trimming method for screen mesh |
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| CN113732703B true CN113732703B (en) | 2023-12-19 |
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| CN104325261A (en) * | 2014-09-26 | 2015-02-04 | 黎昌源 | Automatic circular ring forming shearing welding device |
| CN108500366A (en) * | 2018-05-31 | 2018-09-07 | 湖州高锐工贸有限公司 | A kind of sheet handware precision cutting devices |
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| CN112705828A (en) * | 2021-01-22 | 2021-04-27 | 河南天云聚合网络科技有限公司 | Special machine for screen processing |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20140040689A (en) * | 2010-12-22 | 2014-04-03 | 스마트 스틸 시스템즈 프로프라이어터리 리미티드 | A method for working structural members |
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- 2021-09-10 CN CN202111059135.1A patent/CN113732703B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104325261A (en) * | 2014-09-26 | 2015-02-04 | 黎昌源 | Automatic circular ring forming shearing welding device |
| CN108500366A (en) * | 2018-05-31 | 2018-09-07 | 湖州高锐工贸有限公司 | A kind of sheet handware precision cutting devices |
| CN110480350A (en) * | 2019-06-24 | 2019-11-22 | 苏州炬鸿通讯电脑科技有限公司 | A kind of battery cover board rivet automatic turning cutting mechanism |
| CN112705828A (en) * | 2021-01-22 | 2021-04-27 | 河南天云聚合网络科技有限公司 | Special machine for screen processing |
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| CN113732703A (en) | 2021-12-03 |
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Denomination of invention: A matching device for automatic welding and edge cutting of screen mesh and a welding and edge cutting method Granted publication date: 20231219 Pledgee: China Minsheng Bank Co.,Ltd. Nanyang Branch Pledgor: NANYANG YITONG EXPLOSIONPROOF ELECTRIC CO.,LTD. Registration number: Y2024980024463 |