CN117415566B - Rim production line and production process - Google Patents
Rim production line and production process Download PDFInfo
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- CN117415566B CN117415566B CN202311413092.1A CN202311413092A CN117415566B CN 117415566 B CN117415566 B CN 117415566B CN 202311413092 A CN202311413092 A CN 202311413092A CN 117415566 B CN117415566 B CN 117415566B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 26
- 238000003466 welding Methods 0.000 claims abstract description 106
- 239000002184 metal Substances 0.000 claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 16
- 230000006835 compression Effects 0.000 claims abstract description 11
- 238000007906 compression Methods 0.000 claims abstract description 11
- 238000003825 pressing Methods 0.000 claims description 120
- 238000005520 cutting process Methods 0.000 claims description 11
- 238000004080 punching Methods 0.000 claims description 10
- 238000007493 shaping process Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 claims description 6
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002893 slag Substances 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
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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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
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
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- Mechanical Engineering (AREA)
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Abstract
The application discloses a rim production line and a production process, wherein a pipe forming device is provided with a press roller, a support roller and a rounding roller with adjustable spacing, and first traction feeding is carried out through spacing adjustment; in addition, the supporting roller supports and clamps the metal sheet to reduce the displacement offset, and in addition, a device for detecting whether the welding opening is offset or not and a structure for adjusting the position of the welding device are provided. The supporting component, the rounding component and the compression roller group can be subjected to interval adjustment, so that conditions are provided for stretching in the metal sheet for the first time; in addition, the clamping and the supporting of the supporting component, the rounding component and the compression roller set can maximally ensure that the metal sheet does not shift in the rounding process, even if the shifting condition occurs, the shifting direction can be acquired by the laser device arranged at the welding opening part through single-beam laser irradiation, and the welding quality is ensured by adjusting the position of the welding device.
Description
Technical Field
The invention relates to a rim production device and a rim production process, in particular to a rim production line and a rim production process.
Background
The rim, which is a part for mounting and supporting the tire on the periphery of the wheel, and the spokes constitute the wheel, is an important component of the wheel.
Currently, the following steps are adopted in the production of rims: 1. cutting the web into sheets; 2. rolling the sheet material; 3. flattening the opening; 4. butt welding the opening; 5. planing slag; 6. rolling; 7. flaring; 8. roll forming; 9. shaping; 10 punching valve holes, wherein in the production process, 1-6 steps are required to be sliced, and then single pipe making can not be continuously performed, so that the working efficiency is greatly reduced; aiming at the problem, the patent with the application number of 202223499750. X discloses a plate pipe making device, which relates to the technical field of plate pipe making and comprises a convex pressing roller I, wherein a concave pressing roller I is arranged below the convex pressing roller I; one side of the convex surface press roller I is provided with a convex surface press roller II, and one side of the convex surface press roller II, which is far away from the convex surface press roller I, is provided with a convex surface press roller III; a concave surface press roller II is arranged below the convex surface press roller II, and a concave surface press roller III is arranged below the convex surface press roller III; the curved surfaces of the three convex pressing rollers and the three concave pressing rollers are gradually increased, so that the bending degree of the plate can be gradually increased, and the purpose of pipe making of the plate is finally achieved.
The above-mentioned patent has realized continuous tubulation, has improved the efficiency of tubulation, but its each roller is unable to be adjusted, consequently requires highly to earlier stage installation accuracy, in addition, has the problem that is difficult to get into when first traction feeding, lacks the structure that keeps the panel position in addition in above-mentioned patent, can have the problem of moving the position skew in whole advancing process, leads to final welding opening position skew, unable normal welding.
Disclosure of Invention
Based on the fact that all rollers in the prior art cannot be adjusted, the requirement on the early installation precision is high, in addition, the problem that the feeding is difficult to enter in the first traction process exists, in addition, the problem that the position of a plate is not kept in the structure of the prior art, the final welding opening is shifted due to the fact that the position of the final welding opening is shifted in the whole advancing process, and the defects of normal welding cannot be overcome, and the rim production line and the rim production process are provided.
The technical scheme adopted for solving the technical problems is as follows:
Rim production line, including tubular product forming device, tubular product cutting machine, flaring machine, roll forming machine, trimmer and piercing press that set gradually, tubular product cutting machine, flaring machine, roll forming machine, trimmer and piercing press are general equipment, and tubular product forming device includes:
A machine table;
The flattening roller set comprises two flattening rollers which are arranged up and down, and the strip-shaped metal plate passes through the space between the two flattening rollers and is flattened by the two flattening rollers;
The round pressing assembly comprises a plurality of round pressing roller groups driven by a driving motor, each round pressing roller group comprises a round pressing roller and an upper round pressing roller, the upper round pressing rollers are arranged above the round pressing rollers through a screw mechanism and used for adjusting the vertical interval, and the round pressing roller groups press the strip-shaped metal plates into round structures;
The interval adjusting mechanism comprises a screw rod seat, a screw rod arranged on the screw rod seat and two sliding seats arranged on the screw rod, wherein the screw rod seat is provided with a sliding groove, the screw rod and the sliding seats are both positioned in the sliding groove, and the two sides of the screw rod are provided with positive threads and negative threads which are respectively connected with the two sides of the screw rod in a threaded manner;
The compression roller group comprises two compression rollers which are arranged front and back, the two compression rollers are arranged on sliding seats of the interval adjusting mechanism, and annular concave surfaces which are attached to the front side and the back side of the pipe to be welded are arranged on the two compression rollers;
the support assembly comprises a plurality of first support groups arranged in the front-back direction and a plurality of second support groups arranged in the front-back direction, and the first support groups and the second support groups are arranged on the sliding seat of the interval adjusting mechanism;
The opening dividing device comprises a lower supporting roller and an upper opening dividing roller, wherein the lower supporting roller is provided with an annular concave surface which is attached to the bottom of a pipe to be welded, the upper opening dividing roller is arranged on a screw mechanism and is provided with an annular concave surface which is attached to the top of the pipe to be welded, the upper opening dividing roller is provided with an annular boss, and the annular boss stretches into a welding position of the top of the pipe to be welded to divide the welding position of the top of the pipe to be welded into welding openings;
The welding assembly is arranged at the tail end of the machine table and used for welding the welding opening and is provided with a swingable welding device; and the controller is connected with the driving motor, the adjusting motor and the laser device.
Preferably, the welding assembly comprises a mounting seat, an adjusting motor arranged on the mounting seat, four supporting gears arranged on the mounting seat, a gear ring arranged between the four supporting gears and meshed with the supporting gears, and a welding device arranged on the gear ring, wherein a motor shaft of the adjusting motor penetrates through the mounting seat and is connected with one supporting gear, a laser device is arranged on the welding device and comprises a laser emitting device and a laser receiving device, the laser emitting device is used for emitting laser to irradiate at a welding opening, and the laser receiving device is used for receiving laser reflected by the outer surfaces of pipes to be welded on two sides of the welding opening.
Preferably, the gear ring is provided with a circular arc-shaped mounting frame, the middle part of the mounting frame is provided with a welding device, the symmetrical positions of the two sides of the mounting frame are respectively provided with a laser emitting device and a laser receiving device, the laser receiving devices are provided with two lasers respectively used for receiving the reflection of the two sides of the welding opening, and the laser emitting devices are obliquely arranged and the laser receiving devices are horizontally arranged.
Specifically, the press roller group comprises a cylindrical upper press roller and a cylindrical lower press roller, and a gap for allowing the strip-shaped metal plate to pass through is arranged between the upper press roller and the lower press roller.
Specifically, the first support group comprises two first support rods, each first support rod is rotatably connected with a cylindrical support column, a circle of annular groove is formed in the support column along the circumferential direction, two sides of the strip-shaped metal plate extend into the annular groove, and the two first support rods are arranged on a group of sliding seats which are opposite in front and back.
Specifically, the second support group comprises two second support rods, each second support rod is rotatably connected with a support roller with an annular concave surface, and the two second support rods are arranged on a group of sliding seats which are opposite in front and back.
Specifically, be equipped with on the board and take vertical slide rail and front and back relative grudging post group, the both ends rotation of each roll that pushes down sets up on grudging post group, and screw mechanism is including setting up in the slide rail, set up in nut seat and the second lead screw at grudging post group top, and the second lead screw passes nut seat and slide and with nut seat and slide threaded connection, go up the roll rotation and set up on two slides that are relative front and back.
Specifically, the round pressing roller set comprises a first round pressing roller set to a fifth round pressing roller set, the first round pressing roller set comprises two first upper round pressing rollers and a first lower round pressing roller which are arranged at intervals and have circumferential arc convex surfaces, two arc concave surfaces matched with the arc convex surfaces are arranged on the first lower round pressing rollers, and two limiting plates are further arranged on the first lower round pressing rollers; the second pressing round roller group comprises a waist-drum-shaped second upper pressing round roller and a second lower pressing round roller with an arc-shaped concave surface; the third round pressing roller group comprises a third upper round pressing roller in a waist drum shape and a third lower round pressing roller with an arc concave surface; the fourth round pressing roller group comprises a fourth upper round pressing roller with an arc concave surface and a fourth lower round pressing roller with an arc concave surface; the fifth pressing round roller group comprises a fifth upper pressing round roller with an arc concave surface and a fifth lower pressing round roller with an arc concave surface.
The rim production process comprises the following steps of:
S1, feeding, adjusting and increasing the upper and lower intervals of each round pressing roller, pulling and placing the sheet plate by using a flattening roller and a round pressing roller, and then adjusting the intervals normally; ;
S2, pressing a circle, starting a circle pressing assembly to press a sheet plate into a tubular body, gradually pressing the sheet plate through a plurality of circle pressing roller groups with adjustable intervals and a plurality of press roller groups with adjustable intervals in the step, simultaneously pressing the sheet plate through the plurality of press roller groups with adjustable intervals to form the tubular body, and supporting the sheet plate at multiple positions through a supporting assembly with adjustable intervals in the whole advancing process;
s3, welding, namely extending the annular boss of the opening dividing device into the butt joint position of the tubular body to form a welding opening, and welding the welding opening of the tubular body to form a pipe through the welding device;
s4, cutting the pipe, wherein the pipe formed in the step S3 directly stretches into the pipe cutting machine to be cut into section-shaped pipe;
s5, flaring, namely flaring the section-shaped pipe by adopting a flaring machine;
S6, roll forming, namely adopting a roll forming machine to roll form;
S7, shaping, namely adopting a shaping machine to perform roll forming;
s8, air tightness detection is carried out, and air tightness detection is carried out on the rolled product;
s9, punching, namely punching a valve hole by using a punching machine.
Preferably, in step S3, the following method is adopted to detect the welding position and swing and adjust the angle of the welding device: a1, irradiating a welding opening of a pipe to be welded with accurate positions by using a laser emitting device to emit light beams, receiving laser reflected by metal surfaces at two sides of the welding opening by using a laser receiving device to obtain reflected laser at two sides, calculating arithmetic average values D1 and D2 of distances at two sides of the opening by using a single-point laser triangular measurement principle, and taking the D1 and D2 as reference values; a2, transmitting laser to measure arithmetic average values D1 and D2 of a plurality of single-point laser distances in the using process, comparing D1 with D1, comparing D2 with D2, when d1=D1 and d2=D2, enabling the welding device to weld, when D1> D1 and D2< D2, enabling the welding opening to be forward, driving the gear ring to rotate to swing and adjust the position of the welding device until d1=D1 and d2=D2 start welding, and when D1< D1 and D2> D2 are rearward, driving the gear ring to rotate to swing and adjust the position of the welding device until d1=D1 and d2=D2 start welding; when the distance is calculated, the single-point laser is calculated by adopting a calculation ranging principle to obtain a plurality of numerical values, and the calculation average value is taken.
Compared with the prior art, the application has the advantages that: according to the application, the supporting component, the round pressing component and the press roller group can be subjected to interval adjustment, so that conditions are provided for the first metal sheet to stretch in; in addition, the clamping and the supporting of supporting component, press round subassembly and compression roller group can be the maximized guarantee sheet metal does not take place to move the position skew at pressing round in-process, even the skew condition appears, the laser device that the accessible set up utilizes single beam laser to shine welding opening part and will acquire the offset direction, and rethread adjusts welding set's position and compensates, guarantees welding quality.
Drawings
The invention will be described in further detail below in connection with the drawings and the preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the invention. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.
FIG. 1 is a perspective view of a tube forming apparatus;
FIG. 2 is a perspective view of the first support assembly;
FIG. 3 is a perspective view of the second stay assembly;
FIG. 4 is a perspective view of a first platen roller set;
FIG. 5 is a perspective view of a second platen roller set;
FIG. 6 is a perspective view of a welding assembly;
FIG. 7 is a perspective view of a press roll set;
FIG. 8 is a flow chart of a rim production process;
Fig. 9 is a reflection diagram of the laser device.
In the figure: 001. a vertical frame group; 002. a slide; 003. a slide rail; 004. a nut seat; 005. a second screw rod; 10. a machine table; 20. a flattening roller set; 301. the first round pressing roller group; 3011. a first upper press roller; 3012. a first pressing round roller; 3013. a limiting plate; 302. the second round pressing roller set; 3021. a second upper pressing round roller; 3022. a second pressing round roller; 303. a third platen roller set; 3031. a third upper pressing round roller; 3032. a third pressing round roller; 304. a fourth platen roller set; 305. a fifth roller set; 40. a split device; 50. welding the assembly; 501. a mounting base; 502. a support gear; 503. adjusting a motor; 504. a gear ring; 505. a laser emitting device; 506. a laser receiving device; 507. a welding device; 601. a screw rod seat; 602. a screw rod; 603. a sliding seat; 701. a first support bar; 702. a support column; 7021. an annular groove; 703. a second support bar; 704. and (5) supporting rollers.
Detailed Description
Preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. Those skilled in the art will appreciate that these descriptions are merely illustrative, exemplary, and should not be construed as limiting the scope of the invention.
Examples
Rim production line, as shown in fig. 1-7, including tubular product forming device, tubular product cutting machine, flaring machine, roll forming machine, trimmer and piercing press that set gradually, tubular product forming device includes:
A machine 10;
A flattening roller group 20 including two flattening rollers disposed up and down, the strip-shaped metal plate passing between and being flattened by the two flattening rollers;
The round pressing assembly comprises a plurality of round pressing roller groups driven by a driving motor, each round pressing roller group comprises a round pressing roller and an upper round pressing roller, the upper round pressing rollers are arranged above the round pressing rollers through a screw mechanism and used for adjusting the vertical interval, and the round pressing roller groups press the strip-shaped metal plates into round structures;
The interval adjusting mechanism comprises a screw rod seat 601, a screw rod 602 arranged on the screw rod seat 601 and two sliding seats 603 arranged on the screw rod, wherein a sliding groove is formed in the screw rod seat 601, the screw rod 602 and the sliding seats 603 are both positioned in the sliding groove, both sides of the screw rod 602 are provided with positive threads and negative threads, and the sliding seats 603 are respectively connected with both sides of the screw rod 602 in a threaded manner;
the press roller group comprises two press rollers which are arranged front and back, the two press rollers are arranged on a sliding seat 603 of the interval adjusting mechanism, and annular concave surfaces which are attached to the front side and the back side of the pipe to be welded are arranged on the two press rollers;
The support assembly comprises a plurality of first support groups which are arranged in the front-back direction and a plurality of second support groups which are arranged in the front-back direction, wherein the first support groups and the second support groups are arranged on the sliding seat 603 of the interval adjusting mechanism, and the support assembly plays a role in clamping while playing a role in supporting, so that the feeding is always positioned in the middle and does not deviate; the opening dividing device 40 comprises a lower supporting roller 704 and an upper opening dividing roller, wherein the lower supporting roller 704 is provided with an annular concave surface which is attached to the bottom of a pipe to be welded, the upper opening dividing roller is arranged on a screw mechanism and is provided with an annular concave surface which is attached to the top of the pipe to be welded, the upper opening dividing roller is provided with an annular boss, and the annular boss stretches into a welding position of the top of the pipe to be welded to divide the welding position of the top of the pipe to be welded into welding openings;
a welding assembly 50, which is arranged at the tail end of the machine 10 and is used for welding the welding opening, and is provided with a swingable welding device 507;
And a controller connected to the driving motor, the adjusting motor 503 and the laser device.
Preferably, the welding assembly 50 comprises a mounting seat 501, an adjusting motor 503 arranged on the mounting seat 501, four supporting gears 502 arranged on the mounting seat 501, a gear ring 504 arranged between the four supporting gears 502 and meshed with the supporting gears 502, and a welding device 507 arranged on the gear ring 504, wherein a motor shaft of the adjusting motor 503 penetrates through the mounting seat 501 and is connected with one of the supporting gears 502, a laser device is arranged on the welding device 507, the laser device comprises a laser emitting device 505 and a laser receiving device 506, the laser emitting device 505 is used for emitting laser to irradiate at a welding opening, and the laser receiving device 506 is used for receiving laser reflected by the outer surface of a pipe to be welded on two sides of the welding opening.
Preferably, the gear ring 504 is provided with a circular arc-shaped mounting frame, the middle part of the mounting frame is provided with a welding device 507, two symmetrical positions of the mounting frame are respectively provided with a laser emitting device 505 and a laser receiving device 506, the laser receiving devices 506 are provided with two lasers respectively used for receiving the reflection of two sides of a welding opening, and the laser emitting devices 505 are obliquely arranged and the laser receiving devices 506 are horizontally arranged. Wherein the center of the mount is co-located with the center of the ring gear 504.
Specifically, the press roller group comprises a cylindrical upper press roller and a cylindrical lower press roller, and a gap for allowing the strip-shaped metal plate to pass through is arranged between the upper press roller and the lower press roller.
Specifically, the first support group includes two first support rods 701, each first support rod 701 is rotatably connected with a cylindrical support column 702, a circle of annular groove 7021 is circumferentially arranged on each support column 702, two sides of the strip-shaped metal plate extend into the annular groove 7021, and the two first support rods 701 are arranged on a group of sliding seats 603 opposite to each other in front and rear.
Specifically, the second support group includes two second support rods 703, each second support rod 703 is rotatably connected to a support roller 704 having an annular concave surface, and the two second support rods 703 are disposed on a group of sliding seats 603 that are opposite to each other in front and rear directions.
Specifically, the machine 10 is provided with a vertical rack set 001 with vertical slide rails 003 and opposite front and back, two ends of each pressing round roller are rotatably arranged on the vertical rack set 001, the screw rod mechanism comprises a slide seat 002 arranged in the slide rails 003, a nut seat 004 arranged at the top of the vertical rack set 001 and a second screw rod 005, the second screw rod 005 penetrates through the nut seat 004 and the slide seat 002 and is in threaded connection with the nut seat 004 and the slide seat 002, and the pressing round rollers are rotatably arranged on the two slide seats 002 opposite front and back. Wherein the screw mechanism is also equipped with a motor, which is also connected to the controller. The machine 10 is provided with a vertical rack group 001 with vertical slide rails 003 and opposite front and back, two ends of each pressing round roller are rotatably arranged on the vertical rack group 001, the screw rod mechanism comprises a slide seat 002 arranged in the slide rails 003, a nut seat 004 arranged at the top of the vertical rack group 001 and a second screw rod 005, the second screw rod 005 penetrates through the nut seat 004 and the slide seat 002 and is in threaded connection with the nut seat 004 and the slide seat 002, and the pressing round roller is rotatably arranged on the two slide seats 002 opposite front and back. Wherein the screw mechanism is also equipped with a motor, which is also connected to the controller.
Specifically, the circle pressing roller set includes a first circle pressing roller set 301 to a fifth circle pressing roller set 305, the first circle pressing roller set includes two first upper circle pressing rollers 3011 and one first lower circle pressing roller 3012 which are arranged at intervals and have circumferential arc convex surfaces, two arc concave surfaces matched with the arc convex surfaces are arranged on the first lower circle pressing roller 3012, and two limiting plates 3013 are also arranged on the first lower circle pressing roller 3012; the second platen roller set 302 includes a second upper platen roller 3021 of a waist drum shape and a second lower platen roller 3022 having an arc concave surface; the third platen roller group 303 includes a third upper platen roller 3031 of a waist drum shape and a third lower platen roller 3032 having an arc concave surface; the fourth press roller set 304 includes a fourth upper press roller having an arc concave surface and a fourth lower press roller having an arc concave surface; the fifth press roller group 305 includes a fifth upper press roller having an arcuate concave surface and a fifth lower press roller having an arcuate concave surface. Wherein the curvature of each upper pressing round roller is slowly increased.
It should be noted that, the controller controls the travel of the whole wire by controlling each motor, and is used for controlling the welding device 507 to adjust the position and weld, and the travel process and the welding process are controlled in a linkage manner; in addition, the vertical screw rod 602 of the screw mechanism is staggered with each upper pressing round roller to avoid interference, so that each upper pressing round roller is ensured to extend out to be connected with a motor shaft of the driving motor.
Rim production process, rim production on the rim production line described above, as shown in fig. 8, comprising the steps of: s1, feeding, adjusting and increasing the upper and lower intervals of each round pressing roller, pulling and placing the sheet plate by using a flattening roller and a round pressing roller, and then adjusting the intervals normally; ;
S2, pressing a circle, starting a circle pressing assembly to press a sheet plate into a tubular body, gradually pressing the sheet plate through a plurality of circle pressing roller groups with adjustable intervals and a plurality of press roller groups with adjustable intervals in the step, simultaneously pressing the sheet plate through the plurality of press roller groups with adjustable intervals to form the tubular body, and supporting the sheet plate at multiple positions through a supporting assembly with adjustable intervals in the whole advancing process;
s3, welding, namely extending the annular boss of the opening dividing device into the butt joint position of the tubular bodies to form a welding opening, and welding the welding opening position of the tubular bodies to form a pipe through a welding device 507;
s4, cutting the pipe, wherein the pipe formed in the step S3 directly stretches into the pipe cutting machine to be cut into section-shaped pipe;
s5, flaring, namely flaring the section-shaped pipe by adopting a flaring machine;
S6, roll forming, namely adopting a roll forming machine to roll form;
S7, shaping, namely adopting a shaping machine to perform roll forming;
s8, air tightness detection is carried out, and air tightness detection is carried out on the rolled product;
s9, punching, namely punching a valve hole by using a punching machine.
As shown in fig. 9, the following method is adopted to detect the welding position and swing-adjust the angle of the welding device 507: a1, irradiating a welding opening of a pipe to be welded with accurate positions by using a laser emission device 505 to emit a light beam, receiving laser reflected by metal surfaces at two sides of the welding opening by using a laser receiving device 506 to obtain reflected laser at two sides, calculating arithmetic average values D1 and D2 of distances at two sides of the opening by using a single-point laser triangular measurement principle, and taking the D1 and D2 as reference values; a2, the arithmetic average values D1 and D2 of a plurality of single-point laser distances are measured by emitting laser in the use process, D1 is compared with D1, D2 is compared with D2, when d1=D1 and d2=D2, the welding device 507 can weld, when D1> D1 and D2< D2, the welding opening is biased forwards, at the moment, the gear ring 504 is driven to rotate to swing and adjust the position of the welding device 507 until d1=D1 and d2=D2 start welding, when D1< D1 and D2> D2 are biased, at the moment, the gear ring 504 is driven to rotate to swing and adjust the position of the welding device 507 until d1=D1 and d2=D2 start welding; when the distance is calculated, a plurality of numerical values are calculated by adopting a calculation ranging principle, and the calculated numerical average value is taken.
The rim production line and the production process provided by the invention are described above, and specific examples are applied to illustrate the principle and the implementation mode of the invention, and the description of the examples is only used for helping to understand the invention and the core idea. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (2)
1. Rim production line, including tubular product forming device, tubular product cutting machine, flaring machine, roll forming machine, trimmer and the piercing press that sets gradually, its characterized in that, tubular product forming device includes:
A machine table;
The flattening roller set comprises two flattening rollers which are arranged up and down, and the strip-shaped metal plate passes through the space between the two flattening rollers and is flattened by the two flattening rollers;
The round pressing assembly comprises a plurality of round pressing roller groups driven by a driving motor, each round pressing roller group comprises a round pressing roller and an upper round pressing roller, the upper round pressing rollers are arranged above the round pressing rollers through a screw mechanism and used for adjusting the vertical interval, and the round pressing roller groups press the strip-shaped metal plates into round structures;
The interval adjusting mechanism comprises a screw rod seat, a screw rod arranged on the screw rod seat and two sliding seats arranged on the screw rod, wherein the screw rod seat is provided with a sliding groove, the screw rod and the sliding seats are both positioned in the sliding groove, and the two sides of the screw rod are provided with positive threads and negative threads which are respectively connected with the two sides of the screw rod in a threaded manner;
The compression roller group comprises two compression rollers which are arranged front and back, the two compression rollers are arranged on a sliding seat of the interval adjusting mechanism, and annular concave surfaces which are attached to the front side and the back side of the pipe to be welded are arranged on the compression rollers;
the support assembly comprises a plurality of first support groups arranged in the front-back direction and a plurality of second support groups arranged in the front-back direction, and the first support groups and the second support groups are arranged on the sliding seat of the interval adjusting mechanism;
The opening dividing device comprises a lower supporting roller and an upper opening dividing roller, wherein the lower supporting roller is provided with an annular concave surface which is attached to the bottom of a pipe to be welded, the upper opening dividing roller is arranged on a screw mechanism and is provided with an annular concave surface which is attached to the top of the pipe to be welded, the upper opening dividing roller is provided with an annular boss, and the annular boss stretches into a welding position of the top of the pipe to be welded to divide the welding position of the top of the pipe to be welded into welding openings;
the welding assembly is arranged at the tail end of the machine table and used for welding the welding opening and is provided with a swingable welding device;
The controller is connected with the driving motor, the adjusting motor and the laser device; the welding assembly comprises a mounting seat, an adjusting motor arranged on the mounting seat, four supporting gears arranged on the mounting seat, a gear ring arranged between the four supporting gears and meshed with the supporting gears, and a welding device arranged on the gear ring, wherein a motor shaft of the adjusting motor penetrates through the mounting seat and is connected with one supporting gear, a laser device is arranged on the welding device and comprises a laser emitting device and a laser receiving device, the laser emitting device is used for emitting laser to irradiate at a welding opening, and the laser receiving device is used for receiving laser reflected by the outer surface of a pipe to be welded on two sides of the welding opening; the gear ring is provided with a circular arc-shaped mounting frame, the middle part of the mounting frame is provided with a welding device, the symmetrical positions of the two sides of the mounting frame are respectively provided with a laser emitting device and a laser receiving device, the laser receiving devices are provided with two lasers respectively used for receiving laser reflected by the two sides of the welding opening, and the laser emitting devices are obliquely arranged and the laser receiving devices are horizontally arranged; the flattening roller set comprises a cylindrical upper pressing roller and a cylindrical lower pressing roller, and a gap for allowing the strip-shaped metal plate to pass through is arranged between the upper pressing roller and the lower pressing roller; the first support group comprises two first support rods, each first support rod is rotatably connected with a cylindrical support column, a circle of annular grooves are formed in the support column along the circumferential direction, two sides of the strip-shaped metal plate extend into the annular grooves, and the two first support rods are arranged on a group of sliding seats which are opposite in front and back; the second support group comprises two second support rods, each second support rod is rotatably connected with a support roller with an annular concave surface, and the two second support rods are arranged on a group of sliding seats which are opposite in front and back; the machine table is provided with a vertical rack group with vertical sliding rails and opposite front and back, two ends of each pressing round roller are rotatably arranged on the vertical rack group, the screw rod mechanism comprises a sliding seat arranged in the sliding rails, a nut seat arranged at the top of the vertical rack group and a second screw rod, the second screw rod penetrates through the nut seat and the sliding seat and is in threaded connection with the nut seat and the sliding seat, and the pressing round rollers are rotatably arranged on the two sliding seats opposite front and back; the production process includes the following steps:
S1, feeding, adjusting and increasing the upper and lower intervals of each round pressing roller, pulling and placing the sheet plate by using a flattening roller and a round pressing roller, and then adjusting the intervals normally;
S2, pressing a circle, starting a circle pressing assembly to press a sheet plate into a tubular body, gradually pressing the sheet plate through a plurality of circle pressing roller groups with adjustable intervals and a plurality of press roller groups with adjustable intervals in the step, simultaneously pressing the sheet plate through the plurality of press roller groups with adjustable intervals to form the tubular body, and supporting the sheet plate at multiple positions through a supporting assembly with adjustable intervals in the whole advancing process;
S3, welding, namely extending the annular boss of the opening dividing device into the butt joint part of the tubular body to form a welding opening, welding the welding opening part of the tubular body to form a pipe through the welding device, detecting the welding position by adopting the following method, and swinging and adjusting the angle of the welding device: a1, irradiating a welding opening of a pipe to be welded with accurate positions by using a laser emitting device to emit light beams, receiving laser reflected by metal surfaces at two sides of the welding opening by using a laser receiving device to obtain reflected laser at two sides, calculating arithmetic average values D1 and D2 of distances at two sides of the opening by using a single-point laser triangular measurement principle, and taking the D1 and D2 as reference values; a2, transmitting laser to measure arithmetic average values D1 and D2 of a plurality of single-point laser distances in the using process, comparing D1 with D1, comparing D2 with D2, when d1=D1 and d2=D2, enabling the welding device to weld, when D1> D1 and D2< D2, enabling the welding opening to be forward, driving the gear ring to rotate to swing and adjust the position of the welding device until d1=D1 and d2=D2 start welding, and when D1< D1 and D2> D2 are rearward, driving the gear ring to rotate to swing and adjust the position of the welding device until d1=D1 and d2=D2 start welding; when calculating the distance, calculating the single-point laser by adopting the principle to obtain a plurality of numerical values and taking the average value of the numerical values;
s4, cutting the pipe, wherein the pipe formed in the step S3 directly stretches into the pipe cutting machine to be cut into section-shaped pipe;
s5, flaring, namely flaring the section-shaped pipe by adopting a flaring machine;
S6, roll forming, namely adopting a roll forming machine to roll form;
S7, shaping, namely adopting a shaping machine to perform roll forming;
s8, air tightness detection is carried out, and air tightness detection is carried out on the rolled product;
s9, punching, namely punching a valve hole by using a punching machine.
2. The rim production line according to claim 1, wherein the round pressing roller set comprises a first round pressing roller set to a fifth round pressing roller set, the first round pressing roller set comprises two first upper round pressing rollers and a first lower round pressing roller which are arranged at intervals and have circumferential arc convex surfaces, two arc concave surfaces matched with the arc convex surfaces are arranged on the first lower round pressing roller, and two limiting plates are further arranged on the first lower round pressing roller; the second pressing round roller group comprises a waist-drum-shaped second upper pressing round roller and a second lower pressing round roller with an arc-shaped concave surface; the third round pressing roller group comprises a third upper round pressing roller in a waist drum shape and a third lower round pressing roller with an arc concave surface; the fourth round pressing roller group comprises a fourth upper round pressing roller with an arc concave surface and a fourth lower round pressing roller with an arc concave surface; the fifth pressing round roller group comprises a fifth upper pressing round roller with an arc concave surface and a fifth lower pressing round roller with an arc concave surface.
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