CN110918818B - Horizontal double-barrelled two side pipe end one shot forming equipment of car seat skeleton - Google Patents
Horizontal double-barrelled two side pipe end one shot forming equipment of car seat skeleton Download PDFInfo
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- CN110918818B CN110918818B CN201911247420.9A CN201911247420A CN110918818B CN 110918818 B CN110918818 B CN 110918818B CN 201911247420 A CN201911247420 A CN 201911247420A CN 110918818 B CN110918818 B CN 110918818B
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- flaring
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- clamping die
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- 230000007246 mechanism Effects 0.000 claims description 71
- 238000009987 spinning Methods 0.000 claims description 39
- 230000007704 transition Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 4
- 239000010720 hydraulic oil Substances 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000005452 bending Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 238000004080 punching Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
- B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
- B21D39/046—Connecting tubes to tube-like fittings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D41/00—Application of procedures in order to alter the diameter of tube ends
- B21D41/02—Enlarging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
Abstract
The invention belongs to the technical field of automobile seat manufacturing, in particular to horizontal double-tube double-side tube end one-time forming equipment for an automobile seat framework, which solves the problems that the prior art is complex in structure and can not realize one-time forming of the back tube and the left and right tube ends of the front tube of the automobile seat framework.
Description
Technical Field
The invention belongs to the technical field of automobile seat manufacturing, and particularly relates to horizontal double-tube double-side tube end one-step forming equipment for an automobile seat framework.
Background
The automobile seat framework structure mainly comprises a plate pipe structure, a pure plate structure and a pipe steel wire structure, wherein the plate pipe structure is formed by welding sheet metal parts and pipe fittings in general, specifically, the front pipe and the rear pipe of the automobile seat framework of the plate pipe structure are assembled by welding guns in the prior art, the size control of products is difficult, welding defects are difficult to control, the problems of high labor intensity of workers, poor working environment and low production efficiency exist, in order to solve the problems, the problems of the prior art are also processed by adopting a single-end punching machine, but the problems of the prior art that a large-tonnage special punching machine and a special die are needed by the single-end punching machine are solved, the investment is large, the occupied area is large, and the manufacturing cost is high.
The utility model of application number CN201120362361.2 discloses a riveting machine used in the production process of seat frame, which adopts the following technical scheme: the frame is installed on the base, and motor and cylinder are installed in the frame, and the motor drives the cylinder, and the rivet is installed to the cylinder lower extreme, installs the rivet under the rivet, and the oil tank is installed on the base, and oil pressure motor is connected with the oil tank, and the flexible of PLC control box control cylinder and the removal of rivet to and the removal of frock. When the seat framework with the seat capable of being integrally heightened is produced, the seat framework can be clamped, the rivet is controlled by the PLC control box, and the round tube and the side plate on the seat framework are subjected to riveting operation. However, the utility model is of a vertical structure, when the seat framework of the seat with the integrally height adjustable is produced, the front pipe of the seat framework can only be turned and riveted, namely, the front pipe end part is uniformly pressed and riveted on the stamping part of the seat framework, and only one side can be turned and riveted, after one side is turned and riveted, the pipe end of the front pipe of the other side needs to be turned and riveted, and the utility model needs to be additionally provided with a pre-positioning device of the seat framework of the seat with the integrally height adjustable, and the seat framework of the seat with the integrally height adjustable can only be conveyed to the position below the rivet head through the pre-positioning device, so that the turning and riveting efficiency is low.
The utility model with the application number of CN201820116307.1 discloses a pipe flaring device, which comprises an oil press, a punch, an auxiliary oil hydraulic cylinder and a flaring clamping die, wherein the flaring clamping die comprises an upper clamping die and a lower clamping die which can be opened and closed, and a through groove matched with the shape of a flared pipe is formed during combination. The lower clamping die is fixed on the workbench, and the upper clamping die is connected with an auxiliary oil hydraulic cylinder and can be close to and far away from the lower clamping die. The utility model is only equipment for flaring round pipes, the flaring clamping die further comprises a second upper clamping die, a second lower clamping die, a third upper clamping die and a third lower clamping die which are sequentially connected, particularly the punch of the flaring clamping die is stepped and comprises a flaring part, the outer surface of each step is a conical surface, and the outer surface of each step is respectively matched with the upper clamping die, the lower clamping die and the third upper clamping die to realize flaring of round pipes with different pipe diameters. In fact, through multiple experiments, the inventor is not suitable for flaring and bulging forming of a rear pipe and a side plate on a seat framework of an automobile seat, wherein the rear pipe and the side plate can meet the requirements of pulling-out force and rotating torque simultaneously, no matter the flaring punch is in a cylindrical step type or in a conical step type.
The utility model of application number CN94242676.2 discloses a hydraulic flaring flanging machine, which is used for flanging a flaring end in the flaring connection of a pipe fitting to form a flanging type flaring, the machine head of the utility model is provided with 2 pressure heads and comprises a bending pressure head and a forming pressure head, the end face of the bending pressure head is a concave inner conical surface, the center of the bending pressure head is provided with a protruding cylinder, the cylinder is slightly tapered, the forming pressure head is a cone, the bending pressure head firstly flares the pipe fitting and bends the flaring end towards the center, and then the flanging is extruded and overlapped towards the inner wall of the flaring by the forming pressure head to form a double-layer flaring. The forming process of the utility model requires 2 pressure heads, firstly, a pipe fitting is flared by a bending pressure head and the pipe end is extruded to slip and bend towards the center along the conical surface, the process also requires that the front end is expanded into the clamping die of a horn mouth to be matched, then the bending pressure head is withdrawn, the forming pressure head is transformed to continue extrusion to manufacture the flaring of an inward flanging, the flaring is folded into a double layer, the process is complex, the efficiency is low, and the utility model is especially not suitable for flaring expansion forming of a rear pipe and a side plate on a seat framework of an automobile seat, which can simultaneously meet the requirements of pulling-out force and rotating torque.
The utility model with the application number of CN201811605631 and the utility model of the same day application disclose an automobile seat angle adjusting pipe end forming machine, the utility model comprises a left pier head and a right pier head which are oppositely arranged, a first clamp die unit and a second clamp die unit which are positioned between the left pier head and the right pier head, a first driving unit which drives the left pier head to move forwards and backwards and left and right, a second driving unit which drives the right pier head to move forwards and backwards and left and right, a first cylinder which drives the first clamp die unit to move left and right and a second cylinder which drives the second clamp die unit to move left and right, wherein the first clamp die unit and the left pier head are matched to form one end structure of an adjusting pipe, the second clamp die unit and the right pier head are matched to form the other end structure of the adjusting pipe, a first bulge loop is formed on the adjusting pipe through the left pier head and the right pier head, then a bulge arm gland is placed on the adjusting pipe, and a second bulge loop is formed on the adjusting pipe and the adjusting pipe is prevented from moving forwards and right and left and right, the first bulge loop is required to occupy a separate pressing part of the adjusting pipe, and the adjusting pipe is required to be arranged on the adjusting pipe, and the adjusting pipe is not to occupy a separate pressing part, and the adjusting pipe is required to be pressed by a supporting part, and the seat is also provided with a pressing part, and an adjusting part is required to be used for adjusting seat, and is provided with an adjusting part; in addition, the first clamping die unit and the second clamping die unit are provided with a pair of sliding blocks at the bottoms and are arranged on a sliding rail, and the left and right movement of the first clamping die unit and the second clamping die unit can be realized through the first air cylinder and the second air cylinder, namely, the first clamping die unit and the second clamping die unit are of movable structures, in order to improve the accuracy of the left and right movement smoothness and movement track of the first clamping die unit and the second clamping die unit, a supporting seat is also required, a guide rod penetrating through supporting blocks in the first clamping die unit and the second clamping die unit is arranged on the supporting seat, and a pipe end positioning mechanism is further arranged on the guide rod in order to fix the end parts of the adjusting pipes.
The invention has disclosed a kind of back horizontal tube riveter of application number CN201610184459.0 ", including just setting up first, two riveters soon on the bottom plate, first, two riveters soon are equipped with back horizontal tube clamping device between, first, two riveters soon aim at the both ends of back horizontal tube respectively, second riveters soon are connected with first straight line telescoping device, first straight line telescoping device drives second riveter soon and is close to or keep away from first riveter soon, this invention mainly solves when back horizontal tube length changes, can adjust back horizontal tube clamping device's length through adjusting the interval between movable supporting shoe and the fixed supporting shoe, thus make this rivet anchor clamps soon can adapt to back horizontal tube of different length. The invention consists of 2 vertical cylinders, wherein the first vertical cylinder is a y-direction cylinder of a third linear expansion device, a cylinder barrel of the y-direction cylinder is fixedly arranged on a base, a cylinder through hole is formed in the base along the y direction, the cylinder barrel of the y-direction cylinder is fixedly arranged in the cylinder through hole, but the effect of the y-direction cylinder of the third linear expansion device is to drive a sliding pushing block so as to drive an expansion cushion block to move along the y direction, the expansion cushion block is clamped between a movable supporting block and a fixed supporting block, the second vertical cylinder is a quick clamp control cylinder for driving the compressing block to rotate, a piston rod of the quick clamp control cylinder is fixedly connected with a handle of the quick clamp, and the rear transverse pipe is compressed by the compressing block.
Disclosure of Invention
The invention aims to solve the problems of the prior art and provide one-step forming equipment for horizontal double-tube double-side tube ends of an automobile seat framework, which has the advantages of simple structure and good stability and is suitable for one-step forming of the front tube and the rear tube double-side tube ends of the automobile seat framework.
The technical proposal adopted by the invention comprises a base, a mounting plate and an electric cabinet are arranged on a panel of the base, spinning and flanging riveting mechanisms for spinning and flanging the left and right side pipe ends of a front pipe of an automobile seat framework are symmetrically arranged on the left and right sides of the upper back half part of the mounting plate respectively, the spinning and flanging mechanism comprises a spinning and riveting cylinder mounting seat and a spinning and riveting seat support sleeve which are arranged on the mounting plate, a spinning and riveting cylinder is arranged on the spinning and riveting cylinder mounting seat, the spinning and riveting cylinder is connected with a motor, a spinning and riveting seat is arranged in the spinning and riveting seat support sleeve, the spinning and riveting seat is connected with a piston rod of the spinning and riveting cylinder, the spinning and riveting heads are arranged on the left and right sides of the upper front half part of the mounting plate respectively, stamping and flaring mechanisms for stamping and expanding the left and right side pipe ends of the back pipe of the automobile seat framework are symmetrically arranged, the stamping flaring and expanding mechanism comprises a hydraulic cylinder mounting seat and a linear guide rail which are arranged on a mounting plate, a hydraulic cylinder is arranged on the hydraulic cylinder mounting seat, flaring forming press head mounting seats are arranged on the sliding blocks of the front and rear 2 linear guide rails, flaring forming press heads which are connected with piston rods of the hydraulic cylinders through second connecting plates are arranged on the flaring forming press head mounting seats, a rear pipe compressing mechanism is arranged between the stamping flaring and expanding mechanisms which are arranged on the mounting plate and are bilaterally symmetrical, a front pipe compressing mechanism is arranged between the spinning riveting mechanisms which are arranged on the mounting plate and are bilaterally symmetrical, the front pipe compressing mechanism has the same structure as the rear pipe compressing mechanism, small cylinder supporting frames are respectively arranged on the left and right sides of the rear pipe compressing mechanism on the mounting plate, the left and right small air cylinder supporting frames are provided with wall plate pre-positioning mechanisms for pre-positioning left wall plates and right wall plates of the automobile seat framework, the rear pipe compressing mechanism and the front pipe compressing mechanism are respectively provided with a lower clamping die mounting seat, a linear travel air cylinder and 2 swing arm supporting seats, the piston rods of the linear travel air cylinders are connected with first connecting plates, the swing arms are hinged to the first connecting plates through first connecting shafts, the swing arms are also hinged to the swing arm supporting seats through second connecting shafts, the swing arms are provided with long L-shaped upper clamping die mounting seats, the long L-shaped upper clamping die mounting seats are provided with left and right 2 lower clamping dies, the upper clamping dies and the lower clamping dies are respectively provided with semicircular grooves, after die assembly, the wall plate pre-positioning mechanisms comprise small air cylinders, threaded connecting sleeves are arranged at the end heads of the piston rods of the small air cylinders, fixing nuts are arranged at the left ends of the threaded end faces of the small air cylinders, the fixing nuts and the right end faces of the small air cylinders are also hinged to the swing arm supporting frames through second connecting shafts, the magnetic switch is fixedly arranged on the small air cylinders through a first magnetic switch, and the magnetic switch is fixedly arranged on the small air cylinders.
The flaring forming press head comprises a cylindrical flaring forming press head body, wherein a connector and an installation positioning surface are arranged at the left end of the flaring forming press head body, an internal thread connecting hole is formed in the connector, a working positioning surface and a right protruding cylindrical guide head are arranged at the right end of the flaring forming press head body, a first concave circular arc surface and a second concave circular arc surface are formed in the working positioning surface, a transition inclined surface is formed between the first concave circular arc surface and the second concave circular arc surface, the outer diameter of the first concave circular arc surface and the outer diameter of the guide head are in smooth transition, the guide head is used for guiding the flaring forming press head and supporting the inner wall of a rear pipe after entering the rear pipe in the flaring forming process of a seat framework of an automobile, after the flaring forming press head gradually enters the rear pipe under the action of a hydraulic cylinder, the flaring forming press head is formed according to the shape of the first concave circular arc surface, then formed along the transition inclined surface and transiting to the second concave circular arc surface, finally formed according to the shape of the second concave circular arc surface, and finally formed a flaring plate is connected with a left side wall plate or a left side wall plate.
The radian of the second concave arc surface is larger than that of the first concave arc surface.
The upper surface of the mounting plate is provided with front and rear 2 symmetrical through holes, the linear stroke cylinder is sunk below the mounting plate through the 2 symmetrical through holes on the mounting plate, and the lower clamping die mounting seat and the swing arm supporting seat are located on the mounting plate.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention adopts the stamping flaring and bulging mechanism which performs flaring and bulging on the left and right pipe ends of the rear pipe of the automobile seat framework and the spinning flip-rivet mechanism which performs spinning and riveting on the left and right pipe ends of the front pipe of the automobile seat framework at the same time, and the flaring and bulging and spinning riveting can be performed on the front pipe of the automobile seat framework and the pipe ends at the left and right 4 parts of the rear pipe at the same time, thereby realizing full-automatic one-time forming processing on the front pipe of the automobile seat framework and the pipe ends at the left and right 4 parts of the rear pipe, and improving the production efficiency while meeting the product quality stability.
(2) The invention is provided with a front pipe compressing mechanism and a rear pipe compressing mechanism with the same structure, the lower clamping dies of the front pipe compressing mechanism and the rear pipe compressing mechanism are fixedly arranged on a lower clamping die mounting seat, the lower clamping die mounting seat is fixedly arranged on a mounting plate, the structure is stable, the upper clamping die is arranged on an upper clamping die mounting seat, the upper clamping die mounting seat is arranged on a swinging arm hinged with a piston rod of a linear travel cylinder, the swinging arm is simultaneously hinged with 2 swinging arm supporting seats through a swinging arm supporting arm connecting shaft, the swinging arm supporting seat is fixedly arranged on the mounting plate, the structure is quite stable, the upper clamping dies and the lower clamping dies are controlled to swing through a sinking linear travel cylinder to realize the opening and closing of the upper clamping dies and the lower clamping dies, and meanwhile, 2 lower clamping dies are arranged on each upper clamping die mounting seat, so that 2 circular tube profiling cavities formed after the die closing are realized, the front pipe and the rear pipe are stably clamped and positioned, the clamping effect is good, and the equipment is enabled to run more stably.
(3) After multiple tests, the invention solves the technical problems that the step-type flaring pressure head, the conical flaring pressure head, the concave conical flaring pressure head and the single concave circular arc flaring pressure head can not simultaneously meet the requirements of pulling out force and rotating torque after the flaring and the forming are carried out on the rear pipe of the seat frame of the automobile seat and the wallboard, two concave circular arc surfaces are processed on the working positioning surface of the flaring pressure head, a transition inclined surface is processed between the two concave circular arc surfaces, the guide head of the flaring pressure head is used for guiding and playing the role of supporting the inner wall of the rear pipe of the seat frame of the automobile seat after entering the rear pipe of the seat frame of the automobile seat, when the guide head gradually enters the rear pipe of the seat frame of the automobile seat under the action of a hydraulic cylinder, the rear pipe of the seat frame of the automobile seat is firstly formed according to the shape of the first concave cambered surface, then formed along the transition inclined surface and transited to the second concave cambered surface, finally, the rear pipe of the seat frame of the automobile seat is formed into a uniform flaring flanging, the wallboard of the automobile seat is formed with the flaring and the flaring is connected with the rear pipe of the seat frame of the automobile seat, the automobile seat is formed, the expansion force is required to be controlled to be in the range of between 15000 m, and the requirements of the seat frame of the automobile seat is met, and the torque is required to be pulled out of the seat is not to be rotated, and the seat is stable, and the seat is required to be pulled out, and the seat is simultaneously, and the torque is required to be pulled out to be in the seat and has a friction torque after seat is under the seat is and is required to be rotated.
(4) The invention increases the wallboard preset mechanism for preset positioning of the left wallboard and the right wallboard of the automobile seat framework, the wallboard preset structure plays a role of tightening all the time in the forming process, the stability of the forming process is further realized, and the original 4 wallboard preset structures are changed into 2 wallboard preset structures on the basis of ensuring the stability of the forming process after the test, so that the cost is reduced.
(5) The linear travel cylinder of the invention sinks to the lower surface of the mounting plate through the through hole processed in the middle position on the mounting plate, thus not occupying the upper operation space and not affecting the sight of operators; the linear travel cylinder is arranged below the mounting plate in a sinking manner, so that more operation space is reserved for the ground, and the convenience and safety of operation are improved.
(6) The upper clamping die mounting seat is long-strip-shaped, the upper clamping die can be supported and positioned at the bottom through the L-shaped upper clamping die mounting seat, and the left upper clamping die and the right upper clamping die can be mounted on the long-strip-shaped upper clamping die mounting seat, so that the upper clamping die can be quickly replaced.
Drawings
Figure 1 is a front view of the present invention,
Figure 2 is a top view of figure 1,
Figure 3 is a cross-sectional view A-A of figure 2,
Figure 4 is a front view of the clamping mechanism of the present invention,
Figure 5 is a left side view of figure 4,
Figure 6 is a top view of figure 4,
Figure 7 is a front view of the flare forming ram of the present invention,
Figure 8 is a left side view of figure 7,
Figure 9 is an enlarged view of a portion of figure 7 at B,
Fig. 10 is a schematic view of the wall plate pre-positioning mechanism of the present invention.
In the figure:
1. A base, a mounting plate,
3. A hydraulic oil cylinder mounting seat, 4. A hydraulic oil cylinder,
5. A linear guide rail, 6. A flaring forming pressure head mounting seat,
7. A flaring forming pressure head,
7-1, Flaring forming pressure head body, 7-2, connector, 7-3, internal thread connecting hole,
7-4, Positioning surface, 7-5, right end surface, 7-6, first concave arc surface,
7-7 Parts of transition plane, 7-8 parts of second concave arc surface, 7-9 parts of guide head, 7-10 parts of guide head outer diameter,
8-1, A rear pipe compressing mechanism, 8-2, a front pipe compressing mechanism,
81. A lower clamping die mounting seat, 82, a linear travel cylinder, 83, a swing arm supporting seat,
84. Swing arm, upper clamping die, 86, lower clamping die,
87. A second connecting shaft, 88, a first connecting shaft,
89. A first connecting plate, 90. An upper clamping die mounting seat,
9. The wall plate pre-positioning mechanism is provided with a plurality of positioning devices,
9-1, A small cylinder, 9-2, a piston rod, 9-3, a rubber head,
9-4 Parts of fixed nuts, 9-5 parts of first magnetic switches, 9-6 parts of second magnetic switches, 9-7 parts of threaded connecting sleeves,
10. A motor, 11, a spin riveting air cylinder, 12, a spin riveting air cylinder mounting seat,
13. A support sleeve of the rotary riveting head seat, 14. The rotary riveting head seat,
15. Spin riveting head, 16. Electric control box,
17. And the second connecting plate, 18. Small cylinder support.
Detailed Description
As shown in fig. 1 to 3, the technical scheme adopted by the invention comprises a base 1, wherein a mounting plate 2 is mounted on a panel of the base 1, an electric cabinet 16 is mounted on the base 1, the left and right sides of the upper front half part of the mounting plate 2 are symmetrically provided with stamping flaring and expansion joint mechanisms for stamping and expanding the pipe ends of the left and right sides of a rear pipe of an automobile seat framework respectively, the stamping flaring and expansion joint mechanisms comprise a hydraulic cylinder mounting seat 3 and a linear guide rail 5 which are mounted on the mounting plate 2, a hydraulic cylinder 4 is mounted on the hydraulic cylinder mounting seat 3, a flaring forming press head mounting seat 6 is mounted on a sliding block of the front and rear 2 linear guide rails 5, a flaring forming press head 7 which is connected with a piston rod of the hydraulic cylinder 4 through a second connecting plate 17 is mounted on the flaring forming press head mounting seat 6, a rear pipe compressing mechanism 8-1 is mounted between the left and right symmetrical stamping flaring and expansion joint mechanisms on the mounting plate 2, a small cylinder support 18 is mounted on the left and right sides of the rear pipe compressing mechanism 8-1 on the mounting plate 2 respectively, and a pre-positioning seat framework and a pre-positioning wallboard mechanism of the left and a pre-positioned framework of the automobile framework is mounted on the left and right side of the left and 2 small cylinder support frames 18;
The spinning turnover riveting mechanism for performing spinning turnover riveting on pipe ends on the left side and the right side of a front pipe of an automobile seat framework is symmetrically arranged on the left side and the right side of the upper half part of a mounting plate 2, the spinning turnover riveting mechanism comprises a spinning cylinder mounting seat 12 and a spinning rivet seat supporting sleeve 13 which are arranged on the upper side of the mounting plate 2, a spinning rivet cylinder 11 is arranged on the cylinder mounting seat 12, the spinning rivet cylinder 11 is connected with a motor 10, a spinning rivet seat 14 is arranged in the spinning rivet seat supporting sleeve 13, the spinning rivet seat 14 is connected with a piston rod of the spinning rivet cylinder 11, a spinning rivet head 15 is arranged on the end face of the spinning rivet seat 14, and a front pipe pressing mechanism 8-2 is arranged between the spinning turnover riveting mechanism which is arranged on the upper side and the right side of the mounting plate 2;
The front pipe compressing mechanism 8-2 and the rear pipe compressing mechanism 8-1 have the same structure;
As shown in fig. 4 to 6, the rear pipe compressing mechanism 8-1 and the front pipe compressing mechanism 8-2 are respectively provided with a lower clamping die mounting seat 81, a linear travel cylinder 82 and 2 swing arm supporting seats 83 which are fixed on the mounting plate 2, a first connecting plate 89 is connected to a piston rod of the linear travel cylinder 82, a swing arm 84 is hinged on the first connecting plate 89 through a first connecting shaft 88, the swing arm 84 is also hinged with the swing arm supporting seat 83 through a second connecting shaft 87, a long L-shaped upper clamping die mounting seat 90 is mounted on the swing arm 84, a left upper clamping die 85 and a right lower clamping die 86 are mounted on the long L-shaped upper clamping die mounting seat 90, semicircular grooves are correspondingly processed on the upper clamping die 85 and the lower clamping die 86 respectively, and a profiling cavity is formed after die clamping;
The middle position of the upper surface of the mounting plate 2 is provided with front and rear 2 symmetrical through holes, the linear travel cylinder 82 sinks to the lower surface of the mounting plate 2 through the through holes of the upper surface of the mounting plate 2, the lower clamping die mounting seat 81 and the swing arm supporting seat 83 are located on the upper surface of the mounting plate 2, and because the linear travel cylinder 2 is sinking, more operation space can be provided on the mounting plate of the horizontal double-pipe double-side pipe end one-step forming equipment of the automobile seat framework, the placing of the automobile seat framework is facilitated, the collision risk of operators can be avoided, the operation safety is improved, and because the linear travel cylinder 2 is sinking and installed below the mounting plate 2, more operation space is also made for the ground, and the operation convenience and safety are improved.
As shown in fig. 7 to 9, the flaring forming press head body 7-1 of the flaring forming press head 7 is a cylinder, a connector 7-2 and an installation positioning surface 7-4 are arranged at the left end of the flaring forming press head body 7-1, an internal thread connecting hole 7-3 is processed on the connector 7-2, a guide head 7-9 and a working positioning surface 7-5 of the cylinder protruding outwards are arranged at the right end of the punch head body 7-1, a first concave arc surface 7-6 and a second concave arc surface 7-8 are processed on the working positioning surface 7-5, a transition inclined surface 7-7 is processed between the first concave arc surface 7-6 and the second concave arc surface 7-8, and the first concave arc surface 7-6 is smoothly transited with the outer diameter 7-10 of the guide head and is smoothly transited with the transition inclined surface 7-7; the radian of the second inward-concave arc surface 7-8 is larger than that of the first inward-concave arc surface 7-6, in the process of flaring and forming a rear pipe of an automobile seat framework, a guide head 7-9 is used for guiding a flaring and forming pressure head 7 and playing a role in supporting the inner wall of the rear pipe after entering the rear pipe, when the flaring and forming pressure head 7 gradually enters the rear pipe under the action of a hydraulic cylinder 4, the flaring and forming pressure head is firstly formed according to the shape of the first inward-concave arc surface 7-6, then is formed along a transition inclined surface 7-7 and is transited to the second inward-concave arc surface 7-8, and finally forms a flaring and flanging which is connected with a left wall plate or a right wall plate of the automobile seat framework in an expanding manner, so that a stable connection is formed, and the relevant test requirements of the pulling-out force of the automobile seat framework and the rotation torque of the rear pipe are met;
As shown in fig. 10, the wallboard pre-positioning mechanism 9 comprises a small cylinder 9-1, a threaded connecting sleeve 9-7 is arranged at the end of a piston rod 9-2 of the small cylinder 9-1, a fixing nut 9-4 is arranged at the left end of the threaded connecting sleeve 9-7, an installation gap is formed between the fixing nut 9-4 and the right end face of a cylinder body of the small cylinder 9-1, the wallboard pre-positioning mechanism 9 is arranged on the small cylinder support frame 18 through the installation gap and is locked and fixed through the fixing nut 9-4, a rubber head 9-3 is arranged at the right end of the threaded connecting sleeve 9-7, and a first magnetic switch 9-5 and a second magnetic switch 9-6 are further arranged on the small cylinder 9-1.
As shown in fig. 1-3, in use, the pre-assembled automobile seat frame is put on the front pipe compressing mechanism 8-1 and the rear pipe compressing mechanism 8-2 as a whole, a processing procedure is started, the rubber heads 9-3 of the wall plate pre-positioning mechanisms 9 on the left and right sides are driven by the small air cylinders 9-1 to pre-position and jack the whole of the automobile seat frame, then, the upper clamping dies of the front pipe compressing mechanism 8-1 and the rear pipe compressing mechanism 8-2 are driven by the sinking straight line stroke air cylinders 82 to rotate clockwise and overturn downwards to press the front pipe and the rear pipe of the pre-assembled automobile seat frame together with the lower clamping dies, the left side spinning riveting mechanism and the left side flaring and expanding mechanism are started to simultaneously carry out flaring and riveting forming processing on the front pipe and the left pipe end of the rear pipe of the seat frame, after the completion, the left side spinning and expanding mechanism are restored to original position, the right side spinning and expanding riveting mechanisms are simultaneously started to carry out flaring and riveting on the front pipe and the right pipe end of the seat frame, and the right side of the seat frame is driven by the left side cylinder 9-side driving mechanism, and the right side spinning and the front pipe end of the seat frame is simultaneously driven by the left side and the right side flaring and the left side expanding and riveting mechanism.
Claims (4)
1. The one-step forming equipment for horizontal double-tube double-side tube ends of the seat framework of the automobile seat comprises a base (1), wherein a mounting plate (2) and an electric cabinet (16) are arranged on panels (1-6) of the base (1), spinning rivet turning mechanisms for spinning rivet turning and riveting the tube ends on the left side and the right side of a front tube of the seat framework of the automobile seat are symmetrically arranged on the left side and the right side of the upper half part of the mounting plate (2), each spinning rivet turning mechanism comprises a spin rivet cylinder mounting seat (12) and a spin rivet seat supporting sleeve (13) which are arranged on the mounting plate (2), a spin rivet cylinder (11) is arranged on the spin rivet cylinder mounting seat (12), the spin rivet cylinder (11) is connected with a motor (10), a rotary riveting head seat (14) is arranged in a rotary riveting head seat supporting sleeve (13), the rotary riveting head seat (14) is connected with a piston rod of a rotary riveting cylinder (11), a rotary riveting head (15) is arranged on the end face of the rotary riveting head seat (14), the rotary riveting head seat is characterized in that stamping flaring and expanding mechanisms for stamping and expanding the left and right pipe ends of a rear pipe of a seat framework of an automobile seat are symmetrically arranged on the left and right sides of the front half part of the upper surface of the mounting plate (2), the stamping flaring and expanding mechanisms comprise a hydraulic cylinder mounting seat (3) and a linear guide rail (5) which are arranged on the mounting plate (2), a hydraulic cylinder (4) is arranged on the hydraulic cylinder mounting seat (3), a flaring forming pressure head mounting seat (6) is arranged on the sliding blocks of the front and rear 2 linear guide rails (5), a flaring forming pressure head (7) connected with a piston rod of a hydraulic cylinder (4) through a second connecting plate (17) is arranged on the flaring forming pressure head mounting seat (6), a rear pipe compressing mechanism (8-1) is arranged between the stamping flaring expanding mechanisms which are symmetrical left and right above the mounting plate (2), a front pipe compressing mechanism (8-2) is arranged between the spinning riveting mechanisms which are symmetrical left and right above the mounting plate (2), the structures of the front pipe compressing mechanism (8-2) and the rear pipe compressing mechanism (8-1) are the same, the left side and the right side of a rear pipe compressing mechanism (8-1) above the mounting plate (2) are respectively provided with a small cylinder supporting frame (18), the left and the right small cylinder supporting frames (18) are provided with a wall plate pre-positioning mechanism (9) for pre-positioning the left wall plate and the right wall plate of the automobile seat framework, the rear pipe compressing mechanism (8-1) and the front pipe compressing mechanism (8-2) are respectively provided with a lower clamping die mounting seat (81), a linear travel cylinder (82) and 2 swing arm supporting seats (83) which are fixed on the mounting plate (2), a piston rod of the linear travel cylinder (82) is connected with a first connecting plate (89), a swing arm (84) is hinged on the first connecting plate (89) through a first connecting shaft (88), the swing arm (84) is also hinged with the swing arm supporting seat (83) through a second connecting shaft (87), a long L-shaped upper clamping die mounting seat (90) is arranged on the swing arm (84), a left upper clamping die (85) and a right upper clamping die (85) are arranged on the long L-shaped upper clamping die mounting seat (90), a left lower clamping die (86) and a right lower clamping die (86) are arranged on the lower clamping die mounting seat (81), semicircular grooves are respectively machined on the upper clamping die (85) and the lower clamping die (86), a circular tube profiling cavity is formed after the die is clamped, the wallboard prepositioning mechanism (9) comprises a small cylinder (9-1), a threaded connecting sleeve (9-7) is arranged at the end head of a piston rod (9-2) of the small cylinder (9-1), the left end of the screw thread connecting sleeve (9-7) is provided with a fixing nut (9-4), the fixing nut (9-4) and the right end face of the cylinder body of the small cylinder (9-1) are provided with an installation gap, the wallboard pre-positioning mechanism (9) is arranged on the small cylinder supporting frame (18) through the installation gap and is locked and fixed through the fixing nut (9-4), the right end of the screw thread connecting sleeve (9-7) is provided with a rubber head (9-3), and the small cylinder (9-1) is provided with a first magnetic switch (9-5) and a second magnetic switch (9-6).
2. The one-time molding equipment for horizontal double-tube double-sided tube ends of the seat framework of the automobile seat according to claim 1, wherein the flaring forming press head (7) comprises a cylindrical flaring forming press head body (7-1), a connector (7-2) and a mounting positioning surface (7-4) are arranged at the left end of the flaring forming press head body (7-1), an internal thread connecting hole (7-3) is processed on the connector (7-2), a working positioning surface (7-5) and a right-protruding cylindrical guide head (7-9) are arranged at the right end of the flaring forming press head body (7-1), a first concave circular arc surface (7-6) and a second concave circular arc surface (7-8) are processed on the working positioning surface (7-5), a transition inclined surface (7-7) is processed between the first concave circular arc surface (7-6) and the second concave circular arc surface (7-8), the first concave circular arc surface (7-6) and the outer diameter (7-10) of the guide head are smoothly transited, and are simultaneously smoothly transited with the transition inclined surface (7-7), in the process of flaring and forming a rear pipe of an automobile seat framework, the guide head (7-9) is used for guiding the flaring and forming pressure head (7) and plays a role in supporting the inner wall of the rear pipe after entering the rear pipe, after the flaring forming pressure head (7) gradually enters the rear pipe under the action of the hydraulic oil cylinder (4), the flaring forming pressure head is firstly formed according to the shape of the first inward-concave arc surface (7-6), then is formed along the transition inclined surface (7-7) and is transited to the second inward-concave arc surface (7-8), and is formed according to the shape of the second inward-concave arc surface (7-8), finally, a flaring flanging is formed, and the flaring flanging is connected with the left wall plate or the right wall plate of the automobile seat framework in an expanding way, so that stable connection is formed.
3. The horizontal double-tube double-sided tube end one-time molding device of the automobile seat framework according to claim 2, wherein the radian of the second concave circular arc surface (7-8) is larger than that of the first concave circular arc surface (7-6).
4. The horizontal double-tube double-sided tube end one-time molding device for the seat framework of the automobile seat according to claim 2, wherein front and rear 2 symmetrical through holes are formed in the upper surface of the mounting plate (2), the linear stroke cylinder (82) is sunk below the mounting plate (2) through the 2 symmetrical through holes in the upper surface of the mounting plate (2), and the lower clamping die mounting seat (81) and the swing arm supporting seat (83) are located on the upper surface of the mounting plate (2).
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| CN201911247420.9A CN110918818B (en) | 2019-12-09 | 2019-12-09 | Horizontal double-barrelled two side pipe end one shot forming equipment of car seat skeleton |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911247420.9A CN110918818B (en) | 2019-12-09 | 2019-12-09 | Horizontal double-barrelled two side pipe end one shot forming equipment of car seat skeleton |
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| CN110918818B true CN110918818B (en) | 2024-06-18 |
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| CN111715803B (en) * | 2020-06-15 | 2023-01-20 | 珠海格力智能装备有限公司 | Positioning mechanism, pipe end forming machine and positioning method |
| CN111922498A (en) * | 2020-08-10 | 2020-11-13 | 国泰消防科技股份有限公司 | Whole spot welder of fire control reel basket of flowers |
| CN114273548B (en) * | 2021-12-28 | 2023-09-08 | 安庆汇通汽车部件股份有限公司 | Stabilizer bar flanging device |
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| CN211539290U (en) * | 2019-12-09 | 2020-09-22 | 沈阳金杯安道拓汽车部件有限公司 | Horizontal double-pipe double-side pipe end one-step forming equipment for automobile seat framework |
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| CN2208459Y (en) * | 1994-10-08 | 1995-09-27 | 顾晓宁 | Hydraulic pipe flaring and flanging machine |
| CN202239312U (en) * | 2011-09-26 | 2012-05-30 | 沈阳金杯江森自控汽车内饰件有限公司 | Turning and riveting machine used for production process of seat frame |
| CN202316808U (en) * | 2011-10-08 | 2012-07-11 | 重庆延锋江森汽车部件系统有限公司 | Special expand tube riveting machine |
| DE102013223272A1 (en) * | 2013-11-14 | 2015-05-21 | Bombardier Transportation Gmbh | Method for producing a tubular equipment element for a rail vehicle |
| CN204486693U (en) * | 2014-12-24 | 2015-07-22 | 上海延锋江森座椅有限公司 | A kind of cushion skeleton assembling riveting set |
| CN204799872U (en) * | 2015-06-25 | 2015-11-25 | 苏州瑞美科材料科技有限公司 | Car seat slide rail and seat basin riveting mechanism |
| CN105772620B (en) * | 2016-03-28 | 2018-02-13 | 重庆延锋安道拓汽车部件系统有限公司 | A kind of rear cross-tube riveter |
| CN207770648U (en) * | 2018-01-24 | 2018-08-28 | 襄阳市铭科汽车零部件有限公司 | A kind of pipe enlarging apparatus |
| CN208019275U (en) * | 2018-03-21 | 2018-10-30 | 河海大学文天学院 | A kind of two process cold extrusion die of car seat torque tube |
| CN208696207U (en) * | 2018-08-16 | 2019-04-05 | 苏州瑞美科材料科技有限公司 | A kind of adaptive rotating riveting mechanism |
| CN109500265A (en) * | 2018-12-27 | 2019-03-22 | 苏州华尔普机械有限公司 | A kind of automotive seat angular adjustment tube end molding machine |
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| CN211539290U (en) * | 2019-12-09 | 2020-09-22 | 沈阳金杯安道拓汽车部件有限公司 | Horizontal double-pipe double-side pipe end one-step forming equipment for automobile seat framework |
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Address after: No. 12-1, Hangtian Road, Hunnan District, Shenyang City, Liaoning Province Applicant after: Shenyang Jinbei Lear automobile seat Co.,Ltd. Address before: No. 12-1, Hangtian Road, Hunnan District, Shenyang City, Liaoning Province Applicant before: SHENYANG JINBEI ADIENT AUTO PARTS CO.,LTD. |
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