CN116618877B - Closed type pipe frame of automobile seat backrest and welding equipment thereof - Google Patents
Closed type pipe frame of automobile seat backrest and welding equipment thereof Download PDFInfo
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- CN116618877B CN116618877B CN202310901521.3A CN202310901521A CN116618877B CN 116618877 B CN116618877 B CN 116618877B CN 202310901521 A CN202310901521 A CN 202310901521A CN 116618877 B CN116618877 B CN 116618877B
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- 238000003466 welding Methods 0.000 title claims abstract description 108
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 230000001681 protective effect Effects 0.000 claims description 13
- 230000007306 turnover Effects 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 12
- 238000000429 assembly Methods 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 17
- 230000008569 process Effects 0.000 abstract description 12
- 230000008859 change Effects 0.000 abstract description 6
- 238000007789 sealing Methods 0.000 description 10
- 238000004088 simulation Methods 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 241000973497 Siphonognathus argyrophanes Species 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- 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
- B23K31/00—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups
- B23K31/02—Processes relevant to this subclass, specially adapted for particular articles or purposes, but not covered by only one of the preceding main groups relating to soldering or welding
-
- 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
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
-
- 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
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/006—Vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a closed type pipe frame of an automobile seat backrest and welding equipment thereof, and relates to the technical field of automobile part welding equipment. This closed type pipe frame of car seat back and welding equipment thereof can carry out the centre gripping location to the closed type pipe frame of car seat back of same series and equidimension simultaneously in welding process through welding centre gripping positioning mechanism to improved its centre gripping application scope, through set up a plurality of clamping units in first welding clamping component or second welding clamping component, can provide stable support and clamping force for closed type pipe frame of car seat back in a plurality of positions, make the closed type pipe frame of car seat back fix a position more stable, avoided its condition of position deviation in welding process to appear, utilize the quantitative change of rotatory lift cylinder control its rotation angle and push down the volume through the clamping unit, can realize the accurate and stable centre gripping to closed type pipe frame of car seat back.
Description
Technical Field
The invention relates to the technical field of automobile part welding equipment, in particular to an automobile seat backrest closed pipe frame and welding equipment thereof.
Background
In the current manufacturing process of car seats, it is often necessary to connect the components by means of a welding operation. In the welding operation, a fixture is generally used for clamping the workpiece to be welded so as to position the workpiece to be welded, and compared with the traditional manual welding, the automobile seat back welding equipment has the advantages of high stability and good consistency, and meanwhile, the industrial welding robot can reduce the labor intensity of operators, avoid the damage of high temperature and radiation generated by welding to the bodies of the operators, and simultaneously can finish high-precision and three-dimensional welding operation according to a preset program. However, for welding tubular car seat supports, the following drawbacks exist with current welding clamping devices:
because the surface of the circular tube-shaped automobile seat support is arc-shaped, the traditional clamp and the arc surface can only form linear contact, and the clamping force of the clamp is concentrated on a small area, so that the circular tube-shaped automobile seat support is easy to clamp and deform, and the structural strength of the automobile seat is reduced.
The contact area of the clamp and the circular tube-shaped automobile seat support is small, so that the distribution range of the stress area is small, and the clamp is not beneficial to stably clamping the automobile seat support.
In order to realize the firm centre gripping to car seat support in a plurality of directions, often need set up a plurality of anchor clamps in the different directions of same position just can reach the purpose of firm centre gripping, lead to need setting up a large amount of anchor clamps, not only increased welding cost, cause car seat support centre gripping in-process complex operation moreover, be unfavorable for welded high-efficient going on.
The existing back-row seat backrest tube frame is formed by welding straight tubes and stamping parts (angle connection), so that the welding area is increased, the welding cost is increased, and secondly, the existing back-row seat backrest tube frame uses more straight tubes and stamping parts, so that the cost of manufacturing raw materials is increased, meanwhile, the weight of the seat backrest tube frame is increased, the weight of the whole automobile is further increased, and accordingly the oil consumption is increased.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the automobile seat backrest closed type pipe frame and the welding equipment thereof, which solve the problems that the surface of the circular pipe-shaped automobile seat support is arc-shaped, the traditional clamp and the arc surface only can form linear contact, the clamp clamping force is concentrated on a smaller area, so that the circular pipe-shaped automobile seat support is easy to clamp and deform, the structural strength of an automobile seat is reduced, the contact area between the clamp and the circular pipe-shaped automobile seat support is smaller, the distribution range of the stress area is small, the stable clamping of the clamp to the automobile seat support is not facilitated, a plurality of clamps are required to be arranged in different directions at the same position, so that the aim of stable clamping can be achieved, a large number of clamps are required to be arranged, the welding cost is increased, the operation of the automobile seat support clamping process is complicated, the welding area is not easy to be effectively carried out, the welding cost is increased, the existing back seat backrest pipe frame uses a plurality of straight pipes and stamping parts, the manufacturing raw material cost is increased, the weight of the seat backrest pipe frame is increased, and the weight of the whole automobile is increased, and the oil consumption is increased.
In order to achieve the above purpose, the invention is realized by the following technical scheme: according to the welding equipment for the closed type pipe frame of the automobile seat backrest, the welding equipment comprises a protection box, a base is fixedly connected to the bottom of the protection box, turnover mechanisms for welding the closed type pipe frame of the automobile seat backrest are arranged on the front side and the rear side of the top of the base, each turnover mechanism comprises a left rotary table, a right rotary table, mounting plates, turnover supports and a servo motor, the left rotary table and the right rotary table are symmetrically and fixedly arranged on the two sides of the top of the protection box, the two mounting plates are respectively and rotatably arranged on opposite side walls of the left rotary table and the right rotary table, the servo motor is fixedly connected to the inside of the left rotary table, an output end of the servo motor is rotatably connected with the left rotary table and one of the mounting plates, welding clamping and positioning mechanisms are arranged on the top of the turnover supports, and welding mechanical arms are arranged between the front side and the rear side of the base, and a control box for controlling the turnover mechanisms and the welding mechanical arms is fixedly arranged on the front side of the protection box.
Preferably, the welding clamping positioning mechanism comprises a first welding clamping assembly and a second welding clamping assembly, the second welding clamping assembly is a component which is manufactured by the first welding clamping assembly in a scaled-down mode, except for the size, other structures are the same, the first welding clamping assembly comprises a bearing plate fixedly connected to the top of the overturning bracket and an avoidance hole formed in one side of the top of the bearing plate, clamping units used for clamping and positioning the closed pipe frame of the automobile seat backrest are uniformly arranged at the top of the bearing plate, supporting tables used for supporting the closed pipe frame of the automobile seat backrest are fixedly arranged at the top of the bearing plate and positioned at two sides of each clamping unit, and a control switch used for controlling the opening and closing of an air source of the clamping units is fixedly arranged at one side of the top of the bearing plate.
Preferably, the clamping unit comprises a connecting seat fixedly connected to the top of the bearing plate, a lifting rotary cylinder arranged at the top of the connecting seat and a bearing table fixedly connected to the top of the bearing plate and located on one side of the connecting seat, an upper clamping arm is fixedly connected to the output end of the lifting rotary cylinder, a first clamping head assembly for clamping and positioning the top is arranged on one side, far away from the lifting rotary cylinder, of the bottom of the upper clamping arm, and a side clamping assembly for clamping the side wall is arranged on the side wall of the lifting rotary cylinder and below the upper clamping arm.
Preferably, the side clamping assembly comprises a side clamping arm fixedly connected to the side wall of the lifting rotary cylinder, the telescopic arm is slidably connected to the inside of the side clamping arm, one end of the telescopic arm is fixedly connected with a pressed sleeve, the other end of the telescopic arm is fixedly connected with a transverse plate, a third spring is sleeved on the outer wall of the telescopic arm and between the pressed sleeve and the side clamping arm, the bottom of the upper clamping arm is fixedly connected with a driving assembly for pushing the pressed sleeve, the driving assembly comprises a driving rod and an arc-shaped protruding block, the arc-shaped protruding block is located right above the pressed sleeve, one end of the telescopic arm, far away from the pressed sleeve, is fixedly connected with the transverse plate, two sides of the transverse plate are respectively provided with a clamping head assembly, the clamping head assembly comprises a clamping column, a second clamping head assembly and a fourth spring, the clamping column is slidably connected to the inside of the transverse plate, the second clamping head assembly is fixedly connected to one end, far away from the transverse plate, the fourth spring is sleeved on the outer wall of the clamping column, and the first clamping head assembly and the second clamping head assembly are identical in structure.
Preferably, the first clamping head assembly comprises a bearing frame, a bearing plate fixedly connected to the bottom of the bearing frame and through holes uniformly formed in the top of the bearing frame, clamping column head units are arranged in the through holes, common air cylinders connected through air pipes are fixedly connected to two sides of the top of the bearing plate, driving rod assemblies are fixedly connected to the output ends of the common air cylinders, each driving rod assembly comprises a connecting rod and a connecting plate, and the connecting plates are fixedly sleeved on the outer walls of the connecting rods.
Preferably, the clamping column head unit comprises an ejector rod, racks uniformly and fixedly arranged on the side wall of the ejector rod and a limiting head in meshed connection with the racks, one end of the limiting head is fixedly connected with a positioning rod, two sides of the outer wall of the positioning rod are respectively sleeved with a guide sleeve in a sliding manner, a first spring is sleeved on the outer wall of the positioning rod and between the guide sleeve and the limiting head, the bottom end of the ejector rod is rotationally connected with an anti-slip assembly, and a second spring is sleeved on the outer wall of the ejector rod and between the anti-slip assembly and a bearing plate.
Preferably, the antiskid component includes the rotation seat of fixed connection in the ejector pin bottom, it is connected with the equipment board to rotate the seat bottom, the equipment board is with rotating the seat, be provided with the torsional spring between for automatic re-setting under the equipment board does not receive external force state, a plurality of T-shaped grooves have evenly been seted up to the equipment board bottom, T-shaped inslot portion is provided with antiskid component, and antiskid component includes rubber block, T-shaped piece and locating hole, T-shaped piece fixed connection is at the top of rubber block, and T-shaped piece sliding connection is in the inside of T-shaped groove, the locating hole is seted up on the lateral wall of rubber block, be provided with on the equipment board lateral wall and be used for the hasp subassembly that is connected with the locating hole, the hasp subassembly includes clamp plate and spacing post, the clamp plate rotates to be connected on the lateral wall of equipment board, spacing post fixed connection is on the lateral wall of clamp plate, the structure and the position of spacing post all with the locating hole looks adaptation.
Preferably, the rotating frame is fixedly connected to the side wall of the assembly plate, the pressing plate is rotationally connected to the inside of the rotating frame, and a torsion spring is arranged between the pressing plate and the rotating frame and used for pushing the limiting column to enter the positioning hole.
The invention also provides a closed type pipe frame of the automobile seat backrest, which comprises a long pipe, wherein the long pipe is bent into a frame with the same design shape through a bending machine, the outer diameter of one end of the long pipe is reduced to form a thin end part through a steel pipe necking machine, then the thin end part is inserted into a pipe orifice at the other end of the long pipe, and the position where the thin end part is connected and spliced with the long pipe is welded through welding equipment of the closed type pipe frame of the automobile seat backrest, so that the closed type pipe frame is formed.
Preferably, the outer diameter of the thin end is smaller than the inner diameter of the long tube.
The invention provides a closed type pipe frame of an automobile seat backrest and welding equipment thereof. Compared with the prior art, the method has the following beneficial effects:
1. the utility model provides a car seat back seals formula pipe frame and welding equipment thereof, through protective housing bottom fixedly connected with base, both sides all are provided with the tilting mechanism who is used for car seat back seals formula pipe frame welded around the base top, tilting mechanism includes left revolving stage, right revolving stage, the mounting disc, upset support and servo motor, left revolving stage and right revolving stage symmetry fixed arrangement are in protective housing top both sides, two mounting discs rotate respectively and set up on the relative lateral wall of left revolving stage and right revolving stage, servo motor fixed connection is in the inside of left revolving stage, and servo motor's output rotates and runs through left revolving stage and one of them mounting disc fixed connection, the top of upset support is provided with welding clamp positioning mechanism, the base top just is located and is provided with welding robotic arm between two tilting mechanism around, the positive fixed control box that is provided with of protective housing is used for controlling tilting mechanism and welding robotic arm, traditional anchor clamps and arc face only can form linear contact with the arc, anchor clamps clamping force concentrate on less area, result in the form car seat support to be by the centre gripping deformation easily, thereby the structural strength of car seat, anchor clamps and form car seat contact area are less than the anchor clamps and make the area distribution scope and need not lead to the welding robotic arm, the same, the size is difficult to be increased, and the welding mechanical arm is difficult to be reached, the welding is difficult to the seat frame is high, the size is difficult to the setting up, and is difficult to the welding, the seat is difficult to the seat is located and is high, the area to the area is stable, the area is located and is welded, the seat area is stable, the seat area is welded, and is difficult to the top. The welding cost is increased, so that the cost of manufacturing raw materials is increased, and meanwhile, the weight of the seat back tube frame is increased, so that the problems of the increase of the weight of the whole vehicle and the increase of oil consumption are solved.
2. The sealing type pipe frame of the automobile seat backrest and the welding equipment thereof can simultaneously clamp and position the sealing type pipe frames of the automobile seat backrest with the same series and different sizes in the welding process by arranging the first welding clamping assembly and the second welding clamping assembly which is reduced relative to the first welding clamping assembly in the welding clamping and positioning mechanism, thereby improving the clamping application range of the sealing type pipe frame and being beneficial to the popularization and the use in a large range; secondly, through set up a plurality of clamping units in first welding clamping component or second welding clamping component, can provide stable support and clamping force for the closed type pipe frame of car seat back in a plurality of positions for the closed type pipe frame of car seat back location is more stable, has avoided its condition of position deviation in welding process to appear.
3. The clamping unit controls the quantitative change of the rotation angle and the pressing quantity of the clamping unit by utilizing the rotary lifting cylinder, so that the clamping of the closed type pipe frame of the automobile seat backrest can be realized accurately and stably; secondly, the clamping force is provided through the control of the air cylinder, so that the use cost is lower, the structure is simple, and the later-stage overhaul and maintenance work is facilitated; moreover, through setting up first clamping head subassembly and side clamping assembly and can realizing from the top and the ascending centre gripping operation of side two directions, first clamping head subassembly and side clamping assembly all provide the clamping force through same rotatory lift cylinder moreover, when utilizing the centre gripping arm to move down promptly with downside clamping assembly formation linkage, promote side clamping assembly and realize the side direction centre gripping to the closed type pipe frame of car seat back, not only saved the cost that sets up a plurality of cylinders, can realize simultaneously the ascending centre gripping operation of a plurality of directions on the closed type pipe frame of car seat back coplanar for the closed type pipe frame clamping process of car seat back is more reliable and stable.
4. A plurality of clamping column head units capable of independently and relatively moving are arranged in a first clamping head assembly, when the clamping column head units are in contact with the arc-shaped outer wall of the automobile seat back sealing type pipe frame and relatively extruding, the clamping column head units are pushed to move relative to the bearing plates by utilizing the reaction force of the arc-shaped surface of the automobile seat back sealing type pipe frame to the plurality of clamping column head units, so that arc-shaped groove shapes matched with the shape of the outer wall of the automobile seat back sealing type pipe frame can be formed by jointly simulating the plurality of clamping column head units, the first clamping head assembly can be tightly attached to the outer wall of the automobile seat back sealing type pipe frame, the contact area between the first clamping head assembly and the outer wall of the automobile seat back sealing type pipe frame is increased, clamping force can be uniformly distributed on a larger area of the automobile seat back sealing type pipe frame, the situation that the clamping force is too concentrated and the automobile seat back sealing type pipe frame is deformed due to compression is avoided, and safety and stability of a clamping process are ensured.
5. The utility model provides a car seat back seals type pipe frame and welding equipment thereof, through setting up skid-proof assembly, its inside package plate can rotate relative rotation seat for the rubber piece can change its turned angle according to the change of its outer wall radian automatically when the contact of car seat back seals type pipe frame outer wall, make rubber piece and car seat back seals type pipe frame outer wall contact more inseparabler, and the rubber piece has certain elasticity deformation volume, can produce deformation under the pressure effect, make its bottom parcel on car seat back seals type pipe frame outer wall, increase the area of contact of rubber piece and car seat back seals type pipe frame, thereby be favorable to the evenly distributed of clamping force; secondly, the position of the positioning rod is controlled by controlling the movement of the connecting rod through the common cylinder, so that the engagement and the separation of the positioning rod and the rack are realized, the purpose of limiting the position of the limiter or releasing the limitation of the position of the ejector rod is achieved, namely the limitation of the position of the ejector rod can be realized after the shape simulation adaptation of the ejector rod and the outer wall of the closed type pipe frame of the automobile seat backrest, the shape of the cambered surface grooves formed by the bottoms of the plurality of ejector rods can be kept continuously, the next clamping operation is convenient, the adjustment process is controlled through the common cylinder, the manual operation is not needed, the labor intensity of workers is reduced, and the method is simple and efficient; furthermore, the rubber block is preliminarily connected through the T-shaped block and the T-shaped groove, and is locked again through the lock catch assembly, so that the liquid can be quickly detached when the quick connection is realized, and the rubber block can be replaced in time after being damaged.
6. A closed tube frame of a car seat backrest and welding equipment thereof are characterized in that a tube frame structure with a required shape is formed by utilizing a whole long tube by means of a bending machine, so that only one welding position is formed, compared with the tube frame structure formed by assembling a traditional straight tube and a stamping part, the welding area is smaller, the welding cost is reduced, the used raw materials are fewer, the manufacturing cost is reduced, the weight of the tube frame of the seat backrest is reduced, and the whole car is lighter in weight and lower in oil consumption.
Drawings
FIG. 1 is a schematic diagram of the overall state structure of the present invention;
FIG. 2 is a schematic diagram of a turnover mechanism according to the present invention;
FIG. 3 is a schematic diagram of a welding clamping and positioning mechanism in a three-dimensional structure according to the present invention;
FIG. 4 is a schematic perspective view of a clamping unit according to the present invention;
FIG. 5 is a schematic perspective view of a side clamping assembly according to the present invention;
FIG. 6 is an enlarged schematic view of the portion A of the present invention;
FIG. 7 is a schematic perspective view of a first clamping head assembly according to the present invention;
FIG. 8 is an enlarged schematic view of part B of the present invention;
FIG. 9 is a schematic perspective view of a clamping column head unit according to the present invention;
FIG. 10 is an enlarged schematic view of the portion C of the present invention;
FIG. 11 is a schematic view of an exploded construction of the cleat assembly of the present invention;
FIG. 12 is an enlarged schematic view of the portion D of the present invention;
FIG. 13 is a schematic view of a long tube in a three-dimensional configuration according to the present invention;
FIG. 14 is an enlarged schematic view of the portion E of the present invention;
fig. 15 is a schematic view of a conventional long tube structure according to the present invention.
In the figure: 1. a protective box; 2. a base; 3. a left rotary table; 4. a right rotary table; 5. a mounting plate; 6. overturning the bracket; 7. welding a clamping and positioning mechanism; 71. a first welding clamp assembly; 711. a carrying plate; 712. avoidance holes; 713. a clamping unit; 7131. lifting rotary cylinder; 7132. a carrying platform; 7133. an upper clamping arm; 7134. a first clamping head assembly; c1, a bearing frame; c2, bearing plates; c3, clamping the column head unit; c31, a mandril; c32, a rack; c33, positioning rods; c34, a guide sleeve; c35, a first spring; c36, an anti-skid assembly; c361, rotating the seat; c362, assembling the plate; c363, T-slot; c364, rubber blocks; c365, T-shaped blocks; c366, positioning holes; c367, pressing plate; c368, limiting columns; c37, a second spring; c4, a common cylinder; c5, connecting rods; c6, connecting the plates; 7135. a side clamping assembly; d1, a lateral clamping arm; d2, a telescopic arm; d3, a pressure sleeve; d4, a transverse plate; d5, a third spring; d6, driving the rod; d7, arc-shaped convex blocks; d8, clamping the column; d9, a second clamping head assembly; d10, a fourth spring; 714. a support table; 715. a control switch; 72. a second welding clamp assembly; 8. welding a mechanical arm; 9. a control box; a. a long tube; b. a thin end.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides four technical schemes:
a first embodiment is shown in fig. 1-2: the utility model provides a welding equipment of closed type pipe frame of car seat back, including protective housing 1, protective housing 1 bottom fixedly connected with base 2, both sides all are provided with the tilting mechanism who is used for the closed type pipe frame of car seat back welded around base 2 top, tilting mechanism includes left revolving stage 3, right revolving stage 4, mounting disc 5, upset support 6 and servo motor, left revolving stage 3 and right revolving stage 4 symmetry are fixed to be set up in protective housing 1 top both sides, two mounting discs 5 rotate respectively and set up on the relative lateral wall of left revolving stage 3 and right revolving stage 4, servo motor fixed connection is in the inside of left revolving stage 3, and servo motor's output rotation runs through left revolving stage 3 and with one of them 5 fixed connection of mounting disc, the top of upset support 6 is provided with welding clamping positioning mechanism 7, base 2 top and be located and be provided with welding robotic arm 8 between two tilting mechanism, protective housing 1 openly is fixed to be provided with the control box 9 that is used for controlling tilting mechanism and welding robotic arm 8.
The second embodiment, shown in fig. 3-6, differs from the first embodiment primarily in that: the welding equipment of the closed type pipe frame of the automobile seat backrest comprises a first welding clamping component 71 and a second welding clamping component 72, the second welding clamping component 72 is a component which is made of the first welding clamping component 71 in a shrinking mode in equal proportion, other structures are identical except the size, the first welding clamping component 71 comprises a bearing plate 711 fixedly connected to the top of the overturning bracket 6 and a avoidance hole 712 formed on one side of the top of the bearing plate 711, clamping units 713 for clamping and positioning the closed type pipe frame of the automobile seat backrest are uniformly arranged on the top of the bearing plate 711, supporting tables 714 for supporting the closed type pipe frame of the automobile seat backrest are fixedly arranged on two sides of each clamping unit 713, a control switch 715 for controlling the opening and closing of the clamping units 713 is fixedly arranged on one side of the top of the bearing plate 711, a control switch 715 is used for controlling the opening and closing of a common cylinder c4, a servo motor controller and a lifting rotary cylinder 7131 are respectively arranged in the control box 9, the control box 9 controls the lifting rotary cylinder 7131 to control the lifting rotary cylinder through the control box, the lifting rotary cylinder 7131 is tightly contacted with the seat back of the seat backrest, the clamping components 7135 are tightly clamped by the clamping device, the clamping device is realized by the right-hand rotation angle of a seat frame, the clamping device is realized, the clamping force of a seat frame is realized by the right-side of a right-hand rotation angle and the clamping device is realized, the clamping force is realized, and the clamping of a seat frame is tightly closed by the clamping device is realized by a seat frame of a seat 35, and the clamping force is tightly by a clamping the clamping seat frame is tightly arranged at a right angle, and the clamping position of a seat frame is opened, and the clamping position is opened, and the clamping is closed by a clamping the clamping position, and the clamping is opened by and the clamping is opened. The clamping unit 713 comprises a connecting seat fixedly connected to the top of the bearing plate 711, a lifting rotary cylinder 7131 arranged on the top of the connecting seat, and a bearing table 7132 fixedly connected to the top of the bearing plate 711 and positioned on one side of the connecting seat, wherein the output end of the lifting rotary cylinder 7131 is fixedly connected with an upper clamping arm 7133, one side of the bottom of the upper clamping arm 7133, which is far away from the lifting rotary cylinder 7131, is provided with a first clamping head assembly 7134 for top clamping and positioning, the side wall of the lifting rotary cylinder 7131 is provided with a side clamping assembly 7135 for clamping the side wall below the upper clamping arm 7133, the side clamping assembly 7135 comprises a side clamping arm d1 fixedly connected to the side wall of the lifting rotary cylinder 7131, a telescopic arm d2 is connected to the inside of the side clamping arm d1 in a sliding manner, one end of the telescopic arm d2 is fixedly connected with a compression sleeve d3, and the other end of the telescopic arm d2 is fixedly connected with a transverse plate d4, a third spring d5 is sleeved on the outer wall of the telescopic arm d2 and positioned between the pressed sleeve d3 and the lateral clamping arm d1, a driving component for pushing the pressed sleeve d3 is fixedly connected to the bottom of the upper clamping arm 7133, the driving component comprises a driving rod d6 and an arc-shaped protruding block d7, the arc-shaped protruding block d7 is positioned right above the pressed sleeve d3, a guide groove is formed in the side wall of the pressed sleeve d3, a chamfer is arranged at the top of the guide groove, the arc-shaped protruding block d7 is slidingly connected inside the guide groove when moving downwards, and is used for pushing the pressed sleeve d3 to move towards the lateral clamping arm d1, one end of the telescopic arm d2 far away from the pressed sleeve d3 is fixedly connected with a transverse plate d4, clamping head components are respectively arranged on two sides of the transverse plate d4, each clamping head component comprises a clamping column d8, a second clamping head component d9 and a fourth spring d10, the second clamping head component d9 is slidingly connected inside the transverse plate d4, one end of each clamping column d8 far away from the transverse plate d4 is fixedly connected with the fourth spring d10, the first clamping head assembly 7134 and the second clamping head assembly d9 are identical in structure, the fourth spring d10 is located between the second clamping head assembly d9 and the transverse plate d4, long guide blocks are uniformly and fixedly arranged on the outer wall of the clamping column d8, guide grooves matched with the long guide blocks are formed in the inner wall of the transverse plate d4, and the guide blocks are slidably connected in the guide grooves.
The third embodiment is shown in fig. 7-10, and differs from the second embodiment mainly in that: the welding equipment of the closed type pipe frame of the automobile seat backrest comprises a bearing frame c1, a bearing plate c2 fixedly connected to the bottom of the bearing frame c1 and through holes uniformly formed in the top of the bearing frame c1, a clamping column head unit c3 is arranged in each through hole, common air cylinders c4 connected through air pipes are fixedly connected to two sides of the top of the bearing plate c2, a driving rod assembly is fixedly connected to the output end of each common air cylinder c4, the driving rod assembly comprises a connecting rod c5 and a connecting plate c6, the connecting plate c6 is fixedly sleeved on the outer wall of the connecting rod c5, the clamping column head unit c3 comprises a push rod c31, a rack c32 uniformly and fixedly arranged on the side wall of the push rod c31 and a limiting head meshed with the rack c32, one end of the limiting head is fixedly connected with a positioning rod c33, both sides of the outer wall of the positioning rod c33 are respectively and slidably sleeved with a guide sleeve c34, the guide sleeve c34 is fixedly connected to the top of the bearing plate c2, a first spring c35 is sleeved on the outer wall of the positioning rod c33 and positioned between the guide sleeve c34 and the limiting head, the bottom end of the ejector rod c31 is rotatably connected with an anti-slip component c36, a second spring c37 is sleeved on the outer wall of the ejector rod c31 and positioned between the anti-slip component c36 and the bearing plate c2, the ejector rod c31 is slidably connected inside a through hole, the shape of the through hole is matched with the shape formed by the ejector rod c31 and the rack c32 together,
the fourth embodiment is shown in fig. 11-12, and differs from the third embodiment mainly in that: the utility model provides a welding equipment of closed type pipe frame of car seat back, antiskid subassembly c36 includes fixed connection at the rotation seat c361 of ejector pin c31 bottom, rotation seat c361 bottom rotates and is connected with equipment board c362, be provided with the torsional spring between equipment board c362 and the rotation seat c361, be used for automatic re-setting under the exogenic condition of equipment board c362, a plurality of T-shaped grooves c363 have evenly been seted up to equipment board c362 bottom, T-shaped groove c363 inside is provided with antiskid subassembly, antiskid subassembly includes rubber piece c364, T-shaped piece c365 and locating hole c366, T-shaped piece c365 fixed connection is at the top of rubber piece c364, and T-shaped piece c365 sliding connection is in the inside of T-shaped groove c363, locating hole c366 is seted up on the lateral wall of rubber piece c364, be provided with the latch assembly that is used for being connected with locating hole c366 on the lateral wall of equipment board c362, the latch assembly includes clamp plate c367 and spacing post c368, clamp plate c362 is rotated and is connected on the lateral wall of equipment board c362, spacing post c368 is fixed connection on the lateral wall of clamp plate c367, spacing post c367 is connected with the torsional spring c368 at the inside of locating hole c367, position and the inside is used for rotating the locating hole c367 is connected with the inside of locating hole c 368.
13-15, the embodiment of the invention also provides a closed type pipe frame of the automobile seat backrest, which comprises a long pipe a, wherein the long pipe a is bent into a frame with the same design shape through a bending machine, one end of the long pipe a is reduced in outer diameter to form a thin end part b through a steel pipe necking machine, then the thin end part b is inserted into a pipe orifice at the other end of the long pipe a, and the position where the thin end part b is connected and spliced with the long pipe a is welded through welding equipment of the closed type pipe frame of the automobile seat backrest, so that the closed type pipe frame is formed, and the outer diameter of the thin end part b is smaller than the inner diameter of the long pipe a.
When in use, firstly, the long tube a is bent by a bending machine to form a tube frame structure which is required, the tube frame structure is provided with two sizes which respectively correspond to the sizes of the first welding clamping component 71 and the second welding clamping component 72, then, the tube mouth of one end of the long tube a is slightly reduced by a steel tube necking machine so that the long tube a can be inserted into the tube mouth of the other end of the long tube a, then, the first welding clamping component 71 or the second welding clamping component 72 is selected according to the size of the current tube frame structure, as the second welding clamping component 72 is a component formed by the first welding clamping component 71 in an equal proportion in a shrinking manner, the working principle is the same, the use principle of the first welding clamping component 71 is used for illustration, the tube frame structure is placed on a plurality of supporting tables 714 positioned at the top of the bearing plate 711, the clamping simulation operation is required before the clamping of the closed tube frame arc of the automobile seat backrest, and when the clamping simulation operation is performed, the control switch 715 is used for controlling the opening of the common cylinder c4, the output end of the common cylinder c4 pushes the connecting rod c5 to move, as the connecting rods c6 connect all the positioning rods c33 together, the connecting rod c5 can synchronously drive the positioning rods c33 to move while moving, the positioning rods c33 and the racks c32 are separated and have free movement capability, then the lifting rotary cylinder 7131 is started by the control box 9 to rotate ninety degrees towards the direction of the tube frame structure, so that the upper clamping arm 7133 is vertical to the outer wall of the tube frame close to one side of the tube frame, the height of the upper clamping arm 7133 is immediately lowered at a uniform speed, the lowering height of the upper clamping arm 7133 is a known set value, the set value can just meet the requirement that the side clamping assembly 7135 and the first clamping head assembly 7134 are tightly adhered to the tube frame structure to form clamping force, and when the clamping head unit c3 is contacted with the arc-shaped outer wall of the tube frame close to the automobile seat backrest to generate relative extrusion, the arc-shaped surface of the closed tube frame of the automobile seat back is utilized to push the clamping column head units c3 to move relative to the bearing plate c2 by the reaction force of the plurality of clamping column head units c3, the rubber block c364 rotates a certain angle around the rotating seat c361 according to the change of the radian of the outer wall of the closed tube frame of the automobile seat back when the rubber block c364 contacts with the outer wall of the closed tube frame of the automobile seat back, the rubber block c364 contacts tightly with the outer wall of the closed tube frame of the automobile seat back, the rubber block c364 has a certain elastic deformation quantity, the bottom of the rubber block c364 is deformed under the action of pressure, the bottom of the rubber block is wrapped on the outer wall of the closed tube frame of the automobile seat back, and therefore the plurality of clamping column head units c3 can be jointly simulated to form an arc-shaped groove matched with the shape of the outer wall of the closed tube frame of the automobile seat back, so that the first clamping head component 7134 can be tightly attached with the outer wall of the closed tube frame of the automobile seat back, the driving rod d6 moves synchronously along with the downward movement of the upper clamping arm 7133, the arc-shaped protruding block d7 enters the compression sleeve d3 and pushes the telescopic arm d2 to move towards the pipe frame structure, the second clamping head assemblies d9 at two sides are in contact with the outer wall of the pipe frame and are the same as the first clamping head assemblies 7134 in change, the detailed working process is not repeated, after the clamping simulation operation is finished, the common cylinder c4 is closed, the positioning rod c33 is pushed by the first spring c35 to be meshed with the rack c32 again, the grooves formed at the bottoms of the ejector rods c31 are fixed, the formal clamping operation can be carried out at the moment, the lifting rotary cylinder 7131 is started again, the first clamping head assemblies 7134 and the side clamping assemblies 7135 are the same as the operation process of the simulation clamping operation, the clamping operation of the pipe frame can be realized, the position of the ejector rods can be limited after the shape simulation adaptation of the outer wall of the closed pipe frame of the backrest of the automobile seat backrest, the cambered surface groove shape that a plurality of ejector pins bottom constitutes is kept can keep continuously, the clamping operation of being convenient for next, rubber piece c364 is realized preliminary connection through T shape piece c365 and T-shaped groove c363, spacing post c368 enters into and realizes the connection of rubber piece c364 and equipment board c362 in locating hole c366, after the rubber piece c364 damages, press clamp plate c367, spacing post c368 breaks away from in locating hole c366, pull out rubber piece c364 from equipment board c362 again can this moment, during the welding, utilize welding robotic arm 8 to weld the pipe frame, servo motor drives upset support 6 upset one hundred eighty degrees, the cooperation dodges hole 712 and realizes carrying out the omnidirectional welding to the pipe frame.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. Welding equipment of closed type pipe frame of car seat back, including protective housing (1), its characterized in that: the automatic welding control device comprises a protective box (1), and is characterized in that a base (2) is fixedly connected to the bottom of the protective box (1), turnover mechanisms for welding closed tube frames of automobile seat backs are arranged on the front side and the rear side of the top of the base (2), each turnover mechanism comprises a left rotary table (3), a right rotary table (4), a mounting disc (5), a turnover support (6) and a servo motor, the left rotary table (3) and the right rotary table (4) are symmetrically and fixedly arranged on the two sides of the top of the protective box (1), the two mounting discs (5) are respectively and rotatably arranged on opposite side walls of the left rotary table (3) and the right rotary table (4), the servo motor is fixedly connected to the left rotary table (3) in a mode, the output end of the servo motor is rotatably connected with one of the left rotary table (3), a welding clamping and positioning mechanism (7) is arranged on the top of the turnover support (6), and a welding mechanical arm (8) is arranged between the front side and the two turnover mechanisms of the top of the base (2), and a control box (9) for controlling the turnover mechanism and the welding mechanical arm (8) is fixedly arranged on the front side of the protective box (1).
The welding clamping positioning mechanism (7) comprises a first welding clamping assembly (71) and a second welding clamping assembly (72), the second welding clamping assembly (72) is a component which is made by reducing the first welding clamping assembly (71) in equal proportion, the size and the structure are the same except for the size, the first welding clamping assembly (71) comprises a bearing plate (711) fixedly connected to the top of a turnover bracket (6) and an avoidance hole (712) formed in one side of the top of the bearing plate (711), clamping units (713) for clamping and positioning a closed pipe frame of an automobile seat backrest are uniformly arranged on the top of the bearing plate (711), supporting tables (714) for supporting the closed pipe frame of the automobile seat backrest are fixedly arranged on the top of each clamping unit (713), and a control switch (715) for controlling the air source of the clamping units (713) to be opened and closed is fixedly arranged on one side of the top of the bearing plate (711).
The clamping unit (713) comprises a connecting seat fixedly connected to the top of the bearing plate (711), a lifting rotary cylinder (7131) arranged on the top of the connecting seat and a bearing table (7132) fixedly connected to the top of the bearing plate (711) and positioned on one side of the connecting seat, an upper clamping arm (7133) is fixedly connected to the output end of the lifting rotary cylinder (7131), a first clamping head assembly (7134) for clamping and positioning the top is arranged on one side, far away from the lifting rotary cylinder (7131), of the bottom of the upper clamping arm (7133), and a side clamping assembly (7135) for clamping the side wall is arranged on the side wall of the lifting rotary cylinder (7131) and positioned below the upper clamping arm (7133);
the side clamping assembly (7135) comprises a side clamping arm (d 1) fixedly connected to the side wall of a lifting rotary cylinder (7131), a telescopic arm (d 2) is fixedly connected to the side clamping arm (d 1) in a sliding manner, a pressure receiving sleeve (d 3) is fixedly connected to one end of the telescopic arm (d 2), a transverse plate (d 4) is fixedly connected to the other end of the telescopic arm (d 2), a third spring (d 5) is sleeved between the pressure receiving sleeve (d 3) and the side clamping arm (d 1) on the outer wall of the telescopic arm (d 2), a driving assembly for pushing the pressure receiving sleeve (d 3) is fixedly connected to the bottom of the upper clamping arm (7133), the driving assembly comprises a driving rod (d 6) and an arc-shaped protruding block (d 7), the arc-shaped protruding block (d 7) is positioned right above the pressure receiving sleeve (d 3), a transverse plate (d 4) is fixedly connected to one end of the telescopic arm (d 2) far away from the pressure receiving sleeve (d 3), clamping head assemblies are respectively arranged on two sides of the transverse plate (d 4), the clamping head assemblies comprise clamping head assemblies, the bottom of the clamping head assemblies are fixedly connected to the clamping head assemblies (d 8) and the clamping head assemblies (d 8) far from the inner side of the clamping column (d 8) through the clamping column (d 8) respectively, the clamping column (d 8) is far from the end (d 8) and the clamping column (d) is fixedly connected to the clamping column (d 8), the first clamping head assembly (7134) and the second clamping head assembly (d 9) are identical in structure;
the first clamping head assembly (7134) comprises a bearing frame (c 1), a bearing plate (c 2) fixedly connected to the bottom of the bearing frame (c 1) and through holes uniformly formed in the top of the bearing frame (c 1), clamping column head units (c 3) are arranged in the through holes, common air cylinders (c 4) connected through air pipes are fixedly connected to two sides of the top of the bearing plate (c 2), driving rod assemblies are fixedly connected to the output ends of the common air cylinders (c 4), each driving rod assembly comprises a connecting rod (c 5) and a connecting plate (c 6), and the connecting plates (c 6) are fixedly sleeved on the outer walls of the connecting rods (c 5);
the clamping column head unit (c 3) comprises an ejector rod (c 31) and a rack (c 32) which is uniformly and fixedly arranged on the side wall of the ejector rod (c 31) and a limiting head which is meshed with the rack (c 32), one end of the limiting head is fixedly connected with a positioning rod (c 33), two sides of the outer wall of the positioning rod (c 33) are slidably sleeved with guide sleeves (c 34), a first spring (c 35) is sleeved on the outer wall of the positioning rod (c 33) and between the guide sleeves (c 34) and the limiting head, an anti-slip assembly (c 36) is rotationally connected to the bottom end of the ejector rod (c 31), and a second spring (c 37) is sleeved between the anti-slip assembly (c 36) and a bearing plate (c 2).
2. The welding apparatus for a closed tube frame of a car seat back according to claim 1, wherein: the utility model provides a stopper, including fixed connection in rotation seat (c 361) of ejector pin (c 31) bottom, rotation seat (c 361) bottom rotates and is connected with equipment board (c 362), equipment board (c 362) and rotation seat (c 361) are provided with the torsional spring between for automatic re-setting under the exogenic state is not received to equipment board (c 362), a plurality of T-shaped groove (c 363) have evenly been seted up to equipment board (c 362) bottom, T-shaped groove (c 363) inside is provided with the antiskid subassembly, and the antiskid subassembly includes rubber piece (c 364), T-shaped piece (c 365) and locating hole (c 366), T-shaped piece (c 365) fixed connection is at the top of rubber piece (c 364), and T-shaped piece (c 365) sliding connection is in the inside of T-shaped groove (c 363), locating hole (c) are seted up on the lateral wall of rubber piece (c 364), be provided with on the lateral wall of equipment board (c 362) and be used for the hasp subassembly that is connected with locating hole (c 366), hasp subassembly includes clamp plate (c 367) and locating pin (c 368) are all connected at spacing post (c 368) lateral wall and fixed connection position on clamp plate (c) and fixed column (c 368).
3. The welding apparatus for a closed tube frame of a car seat back according to claim 2, wherein: the assembly plate (c 362) is characterized in that a rotating frame is fixedly connected to the side wall of the assembly plate (c 362), the pressing plate (c 367) is rotatably connected to the inside of the rotating frame, and a torsion spring is arranged between the pressing plate (c 367) and the rotating frame and used for pushing the limiting column (c 368) to enter the positioning hole (c 366).
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| CN202310901521.3A CN116618877B (en) | 2023-07-21 | 2023-07-21 | Closed type pipe frame of automobile seat backrest and welding equipment thereof |
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| CN202310901521.3A CN116618877B (en) | 2023-07-21 | 2023-07-21 | Closed type pipe frame of automobile seat backrest and welding equipment thereof |
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| CN110450686A (en) * | 2015-07-01 | 2019-11-15 | 提爱思科技股份有限公司 | Seat for vehicle |
| CN213560654U (en) * | 2020-09-23 | 2021-06-29 | 上海联明机械股份有限公司 | Clamping and welding device for sheet metal parts of automobile body |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| EP0933249A1 (en) * | 1998-01-30 | 1999-08-04 | Societe Industrielle Et Commerciale De Materiel Aeronautique (Sicma) Societe Anonyme | Dismountable articulation device, seat structure, seat and vehicle therewith |
| CN101229598A (en) * | 2008-01-23 | 2008-07-30 | 北京航空航天大学 | Combined type thin-gauge skin moulding surface trimming cut flexibility multi-supporting equipment |
| RU2404037C1 (en) * | 2009-07-30 | 2010-11-20 | Открытое акционерное общество Акционерная холдинговая компания "Всероссийский научно-исследовательский и проектно-конструкторский институт металлургического машиностроения имени академика Целикова" (ОАО АХК "ВНИИМЕТМАШ") | Method and device for welding flat panel necks to manifold pipes |
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| CN213560654U (en) * | 2020-09-23 | 2021-06-29 | 上海联明机械股份有限公司 | Clamping and welding device for sheet metal parts of automobile body |
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