CN118143096A - Cold roll forming machine and method for automobile seat framework - Google Patents
Cold roll forming machine and method for automobile seat framework Download PDFInfo
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- CN118143096A CN118143096A CN202410564590.4A CN202410564590A CN118143096A CN 118143096 A CN118143096 A CN 118143096A CN 202410564590 A CN202410564590 A CN 202410564590A CN 118143096 A CN118143096 A CN 118143096A
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000005452 bending Methods 0.000 claims abstract description 113
- 230000005540 biological transmission Effects 0.000 claims description 37
- 238000003825 pressing Methods 0.000 claims description 31
- 230000008569 process Effects 0.000 claims description 26
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000009471 action Effects 0.000 description 12
- 230000000670 limiting effect Effects 0.000 description 11
- 230000006872 improvement Effects 0.000 description 9
- 239000002184 metal Substances 0.000 description 6
- 238000010030 laminating Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- 230000005012 migration Effects 0.000 description 3
- 238000013508 migration Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003860 storage Methods 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
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
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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
- B21D3/00—Straightening or restoring form of metal rods, metal tubes, metal profiles, or specific articles made therefrom, whether or not in combination with sheet metal parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention relates to the technical field of cold bending forming, in particular to an automobile seat framework cold bending forming machine and a method thereof.
Description
Technical Field
The invention relates to the technical field of cold roll forming, in particular to a cold roll forming machine and a cold roll forming method for an automobile seat framework.
Background
With the continuous development and popularization of the automobile industry, as one of the important components in the automobile, the automobile seat has higher and higher requirements on comfort, safety, durability and the like, and in order to facilitate rapid bending and forming of the seat support, a forming machine is adopted to machine and bend a machined part.
For the molding machine, there are many existing products, such as:
Chinese patent publication No. CN117102305A discloses a cold-bending forming machine for an automobile seat frame, which comprises two bending tables, wherein one sides of the two bending tables are mutually attached, and the two bending tables are symmetrically arranged with the attaching surface as a symmetrical surface; the metal pipe bending device comprises a supply box, wherein a plurality of metal pipes are filled in the inner side of the supply box, a pushing module is arranged in the supply box, the metal pipes are fed into the upper parts of two bending tables one by the supply box, the metal pipes are fixed through bending assemblies, and then the two ends of the metal pipes are bent at the same time.
When the device is used, the processing of buckling is carried out on a workpiece through the bending component, the workpiece adopts metal blanks as raw materials, the workpieces are stacked and extruded mutually in the storage process, the workpiece below is easy to deform, the bending precision is poor when the workpiece is subjected to bending operation, the workpiece is required to be subjected to secondary processing, the processing efficiency is influenced, meanwhile, the surface of the workpiece is easy to oxidize to form rust stains, the surface of the workpiece is required to be subjected to rust cleaning operation after the bending operation of the workpiece is finished, and the labor intensity of operators is increased.
Therefore, a cold roll forming machine for an automobile seat framework and a method thereof are provided.
Disclosure of Invention
The invention aims to provide a cold roll forming machine and a method thereof for an automobile seat framework, which are used for solving the problems in the background technology.
In order to solve the technical problems, one of the purposes of the invention is to provide an automobile seat framework cold-bending forming machine, which comprises a machine table, wherein a carriage is arranged on the surface of the machine table, a feed box is arranged on the surface of the carriage in a sliding manner, the feed box is used for conveying workpieces, a bending assembly is arranged at one end far away from the feed box, a pressing assembly is arranged near the end of the bending assembly, the pressing assembly is used for pressing the workpieces to be attached to the end of the bending assembly, when the workpieces are pushed to the bending assembly, the bending assembly bends the workpieces, and a movable seat is arranged between the feed box and the bending assembly;
Be equipped with the straightening subassembly in the removal seat, the straightening subassembly is used for supporting the machined part, makes the machined part keep the levelness, the straightening subassembly top is equipped with spacing subassembly, spacing subassembly is used for automatic spacing to the machined part in moving, and the machined part is rotated with the straightening subassembly in the removal in-process, corrects the machined part through the straightening subassembly is automatic, polishes the machined part surface rust simultaneously.
As a further improvement of the technical scheme, the bending assembly comprises a driving seat, a fixed bending disc is arranged at the top of the driving seat, a rotary table is arranged at the end part of the driving seat and rotates along the axis of the driving seat, an angle adjusting block is arranged on the surface of the rotary table and used for bending and forming a machined part.
As a further improvement of the technical scheme, the surface of the rotary table is provided with a lifting seat, the lifting seat moves on the surface of the rotary table along the vertical direction, and the lifting seat drives the angle adjusting block to move along the vertical direction when moving.
As a further improvement of the technical scheme, the movable seat comprises a motor arranged at the top of the machine table, a screw rod is arranged at an output shaft at the end part of the motor, a supporting plate is arranged on the surface of the screw rod, fixed bearings are arranged on the inner wall of the supporting plate, two groups of the fixed bearings are arranged, and the fixed bearings are in the same horizontal axis.
As a further improvement of the technical scheme, the straightening assembly comprises a supporting gear which is rotationally arranged on the inner wall of the supporting plate, the supporting gear is symmetrical, a workpiece is moved on the surface of the driving seat to drive the supporting gear to rotate through friction, the supporting gear is used for supporting the workpiece, and a transmission shaft is arranged at the end part of the supporting gear.
As a further improvement of the technical scheme, one end, far away from the supporting gear, of the inner wall of the supporting plate is provided with a transmission gear, a belt is arranged between the transmission shaft and the transmission gear, the transmission gear is driven to rotate through belt transmission when the supporting gear rotates, the end part of the transmission gear is provided with a straightening barrel, the straightening barrel is clamped with the straightening barrel on the inner wall of the fixed bearing, the surface of the straightening barrel is provided with a driven gear, and the driven gear is meshed with the transmission gear to rotate.
As a further improvement of the technical scheme, the friction wheel is rotationally arranged on the inner wall of the straightening barrel, the friction wheel is attached to the surface of a workpiece, and when the workpiece moves to drive the straightening barrel to rotate, the friction wheel and the surface of the workpiece are in rolling friction to polish rust on the surface of the workpiece.
As the further improvement of this technical scheme, spacing subassembly is including establishing the column casing in support gear top, the sliding of column casing inner wall is equipped with the slip post, be equipped with the elastic component between column casing and the slip post, the slip post tip is equipped with the arc clamp plate, the arc clamp plate receives the elastic component effort to remove and carry out spacingly at support gear surface's machined part top.
As a further improvement of the technical scheme, the pressing assembly comprises a fixing seat close to the end part of the bending assembly, a hydraulic jacking block is arranged at the end part of the fixing seat, and a sliding pressing plate is arranged on the side wall of the hydraulic jacking block in a sliding manner.
The second object of the invention is to provide a cold bending method for an automobile seat framework, comprising the steps of;
S1, automatically pushing a workpiece by a supply box through the workpiece passing through the supply box, so that the workpiece passes through a straightening assembly and moves to a bending assembly to be bent;
S2, moving the workpiece on the surface of the straightening component, supporting the workpiece through the straightening component, and automatically rotating and correcting the workpiece by the straightening component in the moving process of the workpiece;
S3, when the bending operation is carried out through the bending assembly, the pressing assembly is attached to the end part of the workpiece, the workpiece is attached to the surface of the bending assembly, the pressing assembly is automatically close to the bending end part of the workpiece in the bending process of the workpiece, and the self-adaption limiting and fixing are carried out on the end part of the workpiece.
Compared with the prior art, the invention has the beneficial effects that:
In this car seat skeleton cold roll forming machine, it rotates to drive the support gear through the machined part removal, support gear supports the machined part, guarantee the levelness of machined part, the precision of its angle of buckling is kept to the in-process of buckling at the machined part, support gear is at the rotation in-process, pass through the belt between transmission shaft and the transmission gear and transmit, the transmission gear tip is equipped with driven gear, it rotates at the fixed bearing inner wall to drive the straightening section of thick bamboo when driven gear and transmission gear meshing rotate, the machined part can receive mechanical stretching action through rotatory straightening section of thick bamboo, this kind of stretching action can make the curved portion of machined part straightened gradually, through the design of rotating the straightening section of thick bamboo, the machined part can be along sharp route by tensile, thereby eliminate the slight bending in machined part surface, improve machining efficiency.
In this car seat skeleton cold roll forming machine, when the machined part removes on the support gear surface, the slip post receives the elastic component effort to carry out automatic spacing to the machined part that removes, and slip post tip is equipped with the arc clamp plate simultaneously, increases the laminating area with the machined part surface through the arc clamp plate to improve the spacing effect to the machined part, make the machined part receive arc clamp plate pressure remain throughout and support gear laminating removal, thereby avoid the local perk of machined part to break away from the support gear surface, the straightening of machined part is handled when influencing straightening subassembly bending operation.
In this car seat skeleton cold bending make-up machine, the hydraulic ejector pad that is equipped with through fixing base tip extrudees the machined part, makes the machined part buckle the department and laminate with the recess department that fixed crooked dish surface was offered all the time, simultaneously, slide the clamp plate and pass through numerical control system control in the bending process and follow the machined part horizontal migration, remain throughout and fix the machined part buckle the department, make the machined part laminate all the time and fix the crooked dish surface and establish the recess inner wall at to the precision of bending operation in the guarantee course of working.
Drawings
FIG. 1 is a cross-sectional view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the present invention at A of FIG. 1;
FIG. 3 is a schematic diagram of the present invention at B of FIG. 1;
FIG. 4 is a schematic diagram of the overall structure of the present invention;
FIG. 5 is a schematic view of a bending assembly according to the present invention;
FIG. 6 is a cross-sectional view of a mobile seat of the present invention;
FIG. 7 is a schematic view of the straightening assembly according to the invention;
FIG. 8 is a schematic view of the structure of the straightening barrel of the invention;
fig. 9 is a schematic structural diagram of a limiting assembly according to the present invention.
The meaning of each reference sign in the figure is:
100. A machine table; 101. a carriage; 102. a supply box; 103. a movable seat; 1031. a motor; 1032. a screw rod; 1033. a support plate; 104. fixing a bearing;
200. A bending assembly; 201. a driving seat; 202. fixing the bending disc; 203. a rotary table; 204. an angle adjusting block; 205. a lifting seat;
300. Straightening components; 301. a support gear; 302. a transmission shaft; 303. a transmission gear; 304. a belt; 305. straightening a cylinder; 306. a driven gear; 307. a friction wheel;
400. A limit component; 401. a column casing; 402. a sliding column; 403. an elastic member; 404. an arc-shaped pressing plate;
500. a pressing assembly; 501. a fixing seat; 502. a hydraulic jack block; 503. and (5) sliding the pressing plate.
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 aims to provide an automobile seat framework cold-bending forming machine, which is shown in fig. 1-9, and comprises a machine table 100, wherein a sliding frame 101 is arranged on the surface of the machine table 100, a supply box 102 is arranged on the surface of the sliding frame 101 in a sliding manner, the supply box 102 is used for conveying workpieces, a bending assembly 200 is arranged at one end far away from the supply box 102, a pressing assembly 500 is arranged at the end close to the bending assembly 200, the pressing assembly 500 is used for pressing the workpieces to be attached to the end of the bending assembly 200, when the workpieces are pushed to the bending assembly 200, the bending assembly 200 bends the workpieces, and a movable seat 103 is arranged between the supply box 102 and the bending assembly 200;
the movable seat 103 is internally provided with a straightening assembly 300, the straightening assembly 300 is used for supporting a workpiece, so that the workpiece keeps levelness, a limiting assembly 400 is arranged above the straightening assembly 300, the limiting assembly 400 is used for automatically limiting the moving workpiece, the workpiece drives the straightening assembly 300 to rotate in the moving process, the workpiece is automatically corrected through the straightening assembly 300, and rust on the surface of the workpiece is polished.
The improvement of the embodiment is that: the supporting gear 301 is driven to rotate through movement of the workpiece, the levelness of the workpiece is guaranteed, the accuracy of the bending angle of the workpiece is kept in the bending process of the workpiece, the supporting gear 301 is driven through a belt 304 between a transmission shaft 302 and a transmission gear 303 in the rotating process, a driven gear 306 is arranged at the end part of the transmission gear 303, a straightening barrel 305 is driven to rotate on the inner wall of a fixed bearing 104 when the driven gear 306 is meshed with the transmission gear 303 to rotate, the bent part of the workpiece can be mechanically stretched when the workpiece passes through the rotating straightening barrel 305, the bent part of the workpiece can be gradually straightened through the stretching effect, and the workpiece can be stretched along a straight line path through the design of the rotating straightening barrel 305, so that slight bending of the surface of the workpiece is eliminated, and the processing efficiency is improved.
Because the seat skeleton adopts the metalwork to support generally, in order to be convenient for buckle fast to the machined part, reduce operating personnel intensity of labour, consequently, buckle subassembly 200 is including drive seat 201, drive seat 201 top is equipped with fixed bending disc 202, drive seat 201 tip is equipped with revolving stage 203, revolving stage 203 rotates along the drive seat 201 axle center, the revolving stage 203 surface is equipped with angle adjustment piece 204, angle adjustment piece 204 is used for carrying out the shaping of buckling to the machined part, when the machined part moves to fixed bending disc 202 tip, move to the laminating with the machined part surface through angle adjustment piece 204, drive revolving stage 203 through drive seat 201 and rotate, because machined part keeps away from angle adjustment piece 204 one side and is blocked by fixed bending disc 202, make the machined part receive angle adjustment piece 204 effort to make the recess department bending to the settlement angle that is equipped with along fixed bending disc 202 surface, consequently, carry out the operation of buckling to the machined part when angle adjustment piece 204 rotates, thereby be convenient for fast carry out the operation of buckling, improve the operating efficiency, reduce operating personnel intensity of labour.
Considering that the seat machined part is in the bending process, in order to be convenient for carry out continuous how long the machined part of buckling and collide with angle adjustment piece 204, consequently, the revolving stage 203 surface is equipped with lift seat 205, lift seat 205 moves on revolving stage 203 surface along the vertical direction, drive angle adjustment piece 204 and remove along the vertical direction when lift seat 205 removes, when angle adjustment piece 204 carries out laminating bending operation to the machined part department and accomplishes, lift seat 205 moves to revolving stage 203 inside along the vertical direction, thereby make angle adjustment piece 204 tip be less than the machined part, when needs buckle again the machined part, revolving stage 203 drives angle adjustment piece 204 and resets, lift seat 205 drives angle adjustment piece 204 and vertically upwards moves after the reset, angle adjustment piece 204 tip extends to the machined part surface laminating department, under the start-up of driving seat 201, carry out accurate angle bending operation to the machined part through angle adjustment piece 204 tip, in the continuous operation process, avoid the machined part to collide with angle adjustment piece 204, thereby protection device life.
Considering that the workpiece is in the course of working, when the workpiece is longer, the workpiece receives the action of gravity and leads to the deformation of workpiece intermediate part, when bending operation is carried out to the department of buckling, lead to bending angle skew easily, need further correct, lead to machining efficiency low, therefore, remove seat 103 is equipped with motor 1031 including establishing at the board 100 top, motor 1031 tip output shaft is equipped with lead screw 1032, lead screw 1032 surface is equipped with backup pad 1033, backup pad 1033 inner wall is equipped with fixed bearing 104, fixed bearing 104 is provided with two sets of, be same horizontal axis between the fixed bearing 104, when the workpiece bending process is to the part, drive lead screw 1032 rotation through motor 1031 tip output shaft, the backup pad 1033 horizontal migration that lead screw 1032 surface was equipped with, follow the local horizontal migration of workpiece through backup pad 1033, make the inside straightening subassembly 300 that is equipped with of backup pad 1033 support the workpiece intermediate part, thereby avoid the workpiece intermediate part to receive the action of gravity deformation, lead to decoct bending angle skew when bending operation, efficiency when bending operation is carried out to the workpiece is improved.
Considering that the workpieces are manufactured by metal materials in the stacking process, the workpieces below the workpieces are in a pressed state for a long time in the stacking process of the workpieces, the surface is easy to deform slightly, and the bending effect of bending operation is affected, therefore, the straightening assembly 300 comprises a supporting gear 301 rotationally arranged on the inner wall of a supporting plate 1033, the supporting gear 301 is symmetrical, the workpieces move on the surface of a driving seat 201 to drive the supporting gear 301 to rotate through friction, the supporting gear 301 is used for supporting the workpieces, a transmission shaft 302 is arranged at the end part of the supporting gear 301, a transmission gear 303 is arranged at one end of the inner wall of the supporting plate 1033 far from the supporting gear 301, a belt 304 is arranged between the transmission shaft 302 and the transmission gear 303, the transmission gear 303 is driven to rotate through the transmission of the belt 304 when the supporting gear 301 rotates, a straightening cylinder 305 is arranged at the end part of the transmission gear 303, the straightening barrel 305 is clamped on the straightening barrel 305 on the inner wall of the fixed bearing 104, a driven gear 306 is arranged on the surface of the straightening barrel 305, the driven gear 306 is meshed with a transmission gear 303 for rotation, when a workpiece is subjected to bending operation, the workpiece is supported by the supporting gear 301 in the moving process, the bottom of the workpiece is enabled to be supported by supporting force, the middle part of the workpiece is prevented from being suspended and deformed under the action of gravity, the workpiece is always in a horizontal state, the workpiece moves on the surface of the supporting gear 301 and passes through the straightening barrel 305, the workpiece is driven by friction force to rotate the supporting gear 301 on the inner wall of the supporting plate 1033 in the moving process of the limiting assembly 400 and the attaching supporting gear 301, the transmission shaft 302 and the transmission gear 303 are driven by a belt 304 in the rotating process of the supporting gear 301, the driven gear 306 is arranged at the end part of the transmission gear 303, the driven gear 306 drives the straightening barrel 305 to rotate on the inner wall of the fixed bearing 104 when being meshed with the transmission gear 303, when a workpiece passes through the rotating straightening barrel 305, the bending part of the workpiece can be subjected to mechanical stretching action, the bending part of the workpiece can be gradually straightened by the stretching action, and the workpiece can be stretched along a straight line path by the design of the rotating straightening barrel 305, so that slight bending of the surface of the workpiece is eliminated, and the processing efficiency is improved.
Because the air is moist, the machined part is exposed in the air for a long time, rust is easy to generate on the surface, after the machined part is bent and formed, an operator is required to polish and remove rust, and therefore the operation is more troublesome, the inner wall of the straightening barrel 305 is rotationally provided with the friction wheel 307, the friction wheel 307 is attached to the surface of the machined part, when the machined part moves to drive the straightening barrel 305 to rotate, the friction wheel 307 and the surface of the machined part roll to rub the rust on the surface of the machined part, the straightening barrel 305 is driven to rotate on the surface of the supporting gear 301 through the movement of the machined part, the friction wheel 307 and the surface of the machined part attach to each other, and the straightening barrel 305 is driven to roll to jointly rub the surface of the machined part when rotating, so that rust on the surface of the machined part is rapidly polished and removed, and the labor intensity of the operator is reduced.
In the moving process of the workpiece, in order to avoid that the local tilting of the workpiece breaks away from the surface of the supporting gear 301 and the straightening treatment of the workpiece is affected by the straightening assembly 300, therefore, the limiting assembly 400 comprises a column casing 401 arranged above the supporting gear 301, a sliding column 402 is arranged on the inner wall of the column casing 401 in a sliding mode, an elastic piece 403 is arranged between the column casing 401 and the sliding column 402, an arc-shaped pressing plate 404 is arranged at the end of the sliding column 402, the arc-shaped pressing plate 404 is used for limiting the top of the workpiece moving on the surface of the supporting gear 301 under the action of the elastic piece 403, when the workpiece moves on the surface of the supporting gear 301, the sliding column 402 is used for automatically limiting the workpiece in the moving state under the action of the elastic piece 403, meanwhile, the end of the sliding column 402 is provided with an arc-shaped pressing plate 404, the attaching area of the workpiece is increased through the arc-shaped pressing plate 404, and therefore the limiting effect on the workpiece is improved, and the workpiece is always kept to be attached to the supporting gear 301 under the pressure of the arc-shaped pressing plate 404.
In the process of bending a workpiece, the bending part of the pressing assembly 500 is subjected to larger external force, if the bending part cannot be fixed under the force, deformation and tilting of the bending part of the workpiece are easy to cause the workpiece to be scrapped, therefore, the pressing assembly 500 comprises a fixed seat 501 close to the end part of the bending assembly 200, a hydraulic jacking block 502 is arranged at the end part of the fixed seat 501, a sliding pressing plate 503 is arranged on the side wall of the hydraulic jacking block 502 in a sliding manner, the workpiece is extruded by the hydraulic jacking block 502 arranged at the end part of the fixed seat 501, the bending part of the workpiece is always jointed with a groove formed in the surface of a fixed bending disc 202, and meanwhile, the sliding pressing plate 503 is controlled by a numerical control system to follow the horizontal movement of the workpiece, so that the bending part of the workpiece is always fixed, and the bending effect of the device on the workpiece is improved.
In summary, the working principle of the scheme is as follows: through placing the workpiece in the feed box 102, the workpiece moves along the horizontal direction, the end part of the workpiece is moved to the bending assembly 200 through the moving seat 103 to bend, the workpiece is supported by the supporting gear 301 in the moving process, the bottom of the workpiece is supported, the suspended deformation of the middle part of the workpiece due to gravity is avoided, the workpiece is always in a horizontal state, the workpiece moves on the surface of the supporting gear 301 and passes through the straightening barrel 305, the workpiece drives the supporting gear 301 to rotate through friction force in the moving process of the limiting assembly 400 and the attaching supporting gear 301, the driving gear 303 is driven to rotate in the rotating process of the supporting gear 301, the straightening barrel 305 is driven to rotate on the inner wall of the fixed bearing 104 when the driven gear 306 is meshed with the driving gear 303 to rotate, and the workpiece passes through the rotating straightening barrel 305, the bending part of the workpiece can be subjected to mechanical stretching action, the stretching action can lead the bending part of the workpiece to be gradually straightened, errors in the bending process are avoided, the precision of the workpiece is improved, meanwhile, in the rotating process of the straightening barrel 305, the friction wheel 307 arranged in the straightening barrel 305 is attached to the surface of the workpiece, the friction wheel 307 is driven to roll and rub the surface of the workpiece when the straightening barrel 305 rotates, rust on the surface of the workpiece is rapidly polished and removed, the workpiece is prevented from being polished and removed later by an operator, the labor intensity of the operator is reduced, when the workpiece moves to the end part of the fixed bending disc 202, the workpiece moves to be attached to the surface of the workpiece through the angle adjusting block 204, the rotating table 203 is driven to rotate through the driving seat 201, one side of the workpiece away from the angle adjusting block 204 is blocked by the fixed bending disc 202, the workpiece is bent to a set angle along the groove formed on the surface of the fixed bending disk 202 by the action force of the angle adjusting block 204, so that the workpiece is bent when the angle adjusting block 204 rotates, and the workpiece is conveniently and rapidly continuously bent, so that the diversity of bending the workpiece is improved.
The second object of the invention is to provide a cold bending method of an automobile seat framework, comprising the following steps of;
s1, a workpiece passes through a supply box 102, and the supply box 102 automatically pushes the workpiece, so that the workpiece passes through a straightening assembly 300 and moves to a bending assembly 200 for bending;
S2, moving the workpiece on the surface of the straightening assembly 300, supporting the workpiece through the straightening assembly 300, and automatically correcting the workpiece by the straightening assembly 300 in the moving process of the workpiece;
S3, when the bending operation is carried out through the bending assembly 200, the pressing assembly 500 is attached to the end part of the workpiece, so that the workpiece is attached to the surface of the bending assembly 200, and in the bending process of the workpiece, the pressing assembly 500 is automatically close to the bent end part of the workpiece, and the end part of the workpiece is limited and fixed in a self-adaptive mode.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. A cold roll forming machine for an automobile seat framework is characterized in that: the automatic bending machine comprises a machine table (100), wherein a sliding frame (101) is arranged on the surface of the machine table (100), a feeding box (102) is slidably arranged on the surface of the sliding frame (101), a bending component (200) is arranged at one end, far away from the feeding box (102), of the feeding box (102), a pressing component (500) is arranged at the end, close to the bending component (200), of the feeding box, the pressing component (500) is used for pressing a workpiece to be attached to the end of the bending component (200), when the workpiece is pushed to the bending component (200), the bending component (200) bends the workpiece, and a movable seat (103) is arranged between the feeding box (102) and the bending component (200);
Be equipped with straightening subassembly (300) in remove seat (103), straightening subassembly (300) are used for supporting the machined part, make the machined part keep the levelness, straightening subassembly (300) top is equipped with spacing subassembly (400), spacing subassembly (400) are used for automatic spacing to the machined part that moves, and the machined part drives straightening subassembly (300) rotation in the removal in-process, corrects the machined part through straightening subassembly (300) is automatic, polishes the machined part surface rust simultaneously.
2. The automobile seat frame cold-roll forming machine according to claim 1, wherein: the bending assembly (200) comprises a driving seat (201), a fixed bending disc (202) is arranged at the top of the driving seat (201), a rotating table (203) is arranged at the end of the driving seat (201), the rotating table (203) rotates along the axis of the driving seat (201), an angle adjusting block (204) is arranged on the surface of the rotating table (203), and the angle adjusting block (204) is used for bending and forming a workpiece.
3. The automobile seat frame cold-roll forming machine according to claim 2, wherein: the surface of the rotary table (203) is provided with a lifting seat (205), the lifting seat (205) moves on the surface of the rotary table (203) along the vertical direction, and the lifting seat (205) drives the angle adjusting block (204) to move along the vertical direction when moving.
4. The automobile seat frame cold-roll forming machine according to claim 1, wherein: the movable seat (103) comprises a motor (1031) arranged at the top of the machine table (100), a screw rod (1032) is arranged at an output shaft at the end part of the motor (1031), a supporting plate (1033) is arranged on the surface of the screw rod (1032), fixed bearings (104) are arranged on the inner wall of the supporting plate (1033), two groups of the fixed bearings (104) are arranged, and the same horizontal axis is formed between the fixed bearings (104).
5. The automobile seat frame cold-roll forming machine according to claim 1, wherein: the straightening assembly (300) comprises a supporting gear (301) which is rotatably arranged on the inner wall of a supporting plate (1033), the supporting gear (301) is symmetrical, a workpiece moves on the surface of a driving seat (201) and drives the supporting gear (301) to rotate through friction, the supporting gear (301) is used for supporting the workpiece, and a transmission shaft (302) is arranged at the end part of the supporting gear (301).
6. The automobile seat frame cold-roll forming machine according to claim 5, wherein: one end of the inner wall of the supporting plate (1033) far away from the supporting gear (301) is provided with a transmission gear (303), a belt (304) is arranged between the transmission shaft (302) and the transmission gear (303), the transmission gear (303) is driven to rotate by the belt (304) during the rotation of the supporting gear (301), the end part of the transmission gear (303) is provided with a straightening barrel (305), the straightening barrel (305) is clamped on the inner wall of the fixed bearing (104), the surface of the straightening barrel (305) is provided with a driven gear (306), and the driven gear (306) is meshed with the transmission gear (303) for rotation.
7. The automobile seat frame cold-roll forming machine according to claim 6, wherein: the inner wall of the straightening barrel (305) is rotationally provided with a friction wheel (307), the friction wheel (307) is attached to the surface of a workpiece, and when the straightening barrel (305) is driven to rotate by the movement of the workpiece, the friction wheel (307) and the surface of the workpiece are in rolling friction to polish rust on the surface of the workpiece.
8. The automobile seat frame cold-roll forming machine according to claim 1, wherein: spacing subassembly (400) is including setting up in the column casing (401) of support gear (301) top, the slip of column casing (401) inner wall is equipped with slip post (402), be equipped with elastic component (403) between column casing (401) and slip post (402), slip post (402) tip is equipped with arc clamp plate (404), arc clamp plate (404) receive elastic component (403) effort to carry out the spacing to the machined part top of removal on support gear (301) surface.
9. The automobile seat frame cold-roll forming machine according to claim 1, wherein: the pressing assembly (500) comprises a fixing seat (501) close to the end part of the bending assembly (200), a hydraulic jacking block (502) is arranged at the end part of the fixing seat (501), and a sliding pressing plate (503) is arranged on the side wall of the hydraulic jacking block (502) in a sliding mode.
10. A method for realizing cold bending of an automobile seat framework, comprising the automobile seat framework cold bending forming machine as claimed in any one of claims 1-9, characterized in that: the method comprises the following steps:
S1, automatically pushing a workpiece by a supply box (102) through the supply box (102), and enabling the workpiece to pass through a straightening assembly (300) to move to a bending assembly (200) for bending;
S2, moving the workpiece on the surface of the straightening assembly (300), supporting the workpiece through the straightening assembly (300), and automatically correcting the workpiece by the straightening assembly (300) in the moving process of the workpiece;
S3, when the bending operation is carried out through the bending assembly (200), the pressing assembly (500) is attached to the end part of the workpiece, so that the workpiece is attached to the surface of the bending assembly (200), and in the bending process of the workpiece, the pressing assembly (500) is automatically close to the bent end part of the workpiece, and the end part of the workpiece is limited and fixed in a self-adaptive mode.
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| CN202410564590.4A CN118143096B (en) | 2024-05-09 | 2024-05-09 | Cold roll forming machine and method for automobile seat framework |
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| CN118143096B (en) | 2024-07-23 |
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