CN114986183A - Pipe material forming equipment for preprocessing seat framework and working method thereof - Google Patents
Pipe material forming equipment for preprocessing seat framework and working method thereof Download PDFInfo
- Publication number
- CN114986183A CN114986183A CN202210741112.7A CN202210741112A CN114986183A CN 114986183 A CN114986183 A CN 114986183A CN 202210741112 A CN202210741112 A CN 202210741112A CN 114986183 A CN114986183 A CN 114986183A
- Authority
- CN
- China
- Prior art keywords
- clamping
- pipe material
- pipe
- workbench
- rolling
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/04—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass for both machining and other metal-working operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q15/00—Automatic control or regulation of feed movement, cutting velocity or position of tool or work
- B23Q15/20—Automatic control or regulation of feed movement, cutting velocity or position of tool or work before or after the tool acts upon the workpiece
- B23Q15/22—Control or regulation of position of tool or workpiece
- B23Q15/26—Control or regulation of position of tool or workpiece of angular position
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Sawing (AREA)
Abstract
The invention discloses a pipe material forming device for preprocessing a seat framework and a working method thereof. The pipe material forming equipment comprises a base, and a pipe material conveying mechanism, a groove cutting device and a pressure forming device which are arranged on the base. The groove cutting device comprises a portal, a large platen, a lifting power assembly, a small platen, an inclined power assembly and a cutting assembly. The pressure forming device comprises a deformation workbench, a workbench guide rail, a workbench driving assembly and a pipe bending forming assembly. The invention can automatically extrude a wave section and an arc section on a linear pipe material, and automatically cut grooves at two ends of a metal pipe material; the bevel provides the space required for welding after the bending operation. In addition, the rolling wheels are sequentially and alternately arranged on the two sides of the tube material, and the tube material shapes of various different tube materials can be obtained by controlling the pushing-out degree of each rolling wheel, so that the tube material forming work of a seat frame at various positions can be finished by one forming device.
Description
Technical Field
The invention belongs to the technical field of intelligent manufacturing, and particularly relates to a pipe material forming device for preprocessing a seat framework and a working method thereof.
Background
The metal frameworks such as the backrest and the seat surface are important parts with large quantity and wide range in the chair industry seat manufacturing, almost all chair industry seat manufacturing enterprises adopt manual or semi-automatic operation modes at present, the production efficiency is low, the labor intensity of operators is high, and the quality consistency of procedures such as pipe bending forming and beveling is poor. The existing pipe material preforming equipment can only process the pipe material into a single specific shape such as wave shape and circular arc shape through a mould; a plurality of special-shaped pipe sections with different shapes are related to one seat framework (taking a backrest framework as an example, wave shapes and circular arc shapes need to be processed at different positions of one pipe); if the prior pipe material preforming device is used for realizing the full automation of the preforming of the special-shaped part of the seat framework, the problems of large occupied area and high cost of the device exist. Therefore, chair seat manufacturing enterprises urgently need a pipe forming device capable of automatically bending and deforming a straight pipe into various shapes so as to replace the existing manual or semi-automatic operation mode, improve the production efficiency and the manufacturing quality and supplement a key ring for an automatic intelligent production line for manufacturing the chair seats.
Disclosure of Invention
The invention aims to provide a pipe material forming device for preprocessing a seat framework and a working method thereof.
The utility model provides a pipe material former for seat skeleton is preprocessed, includes the base to and install pipe material conveying mechanism, groove cutting device and the pressure forming device on the base. The pipe conveying mechanism is used for conveying pipe materials. The groove cutting device is used for cutting a groove at the end part of the metal pipe material.
The groove cutting device comprises a portal, a large platen, a lifting power assembly, a small platen, an inclined power assembly and a cutting assembly. The gantry is arranged on the base; the large bedplate is connected on the gantry in a sliding way and is driven by the lifting power assembly. The small bedplate and the large bedplate form a revolute pair. The small bedplate is driven to rotate by the tilting power assembly. The cutting assembly includes a circular saw motor and a circular saw blade. The circular saw motor is fixed on the small bedplate, and a circular saw blade is fixed on the output shaft.
The pressure forming device comprises a deformation workbench, a workbench guide rail, a workbench driving assembly and a pipe bending forming assembly arranged on the deformation workbench. The workbench guide rail is fixed on the base; the deformation workbench is connected to the workbench guide rail in a sliding manner; the sliding direction of the deformation workbench is parallel to the conveying direction of the metal pipe material. The deformation table is driven by a table drive assembly.
The pipe bending and forming assembly comprises n roller extrusion units; n is more than or equal to 3; the roller extrusion units are arranged in sequence along the conveying direction of the deformation workbench. In the working process, any two adjacent roller extrusion units are respectively positioned on the opposite sides of the metal pipe material.
The roller extrusion unit comprises a roller, a rolling bracket, a rolling fixed seat, a rolling moving block and an extrusion driving assembly. The rolling moving block is connected to the deformation workbench in a sliding mode and driven by the extrusion driving assembly to slide. The rolling support is fixed on the rolling moving block and is rotationally connected with a rolling wheel; the rolling wheel is driven to rotate by a rolling motor. In the working process, the rolling wheel can prop against the side part of the metal pipe material under the driving of the extrusion driving assembly.
After being extruded by each roller, the tube material forms a bending shape with an axis extending along a channel between each roller; the direction of the rolling wheels on two sides of the pipe material is changed by adjusting the terminal position of each rolling wheel in the extrusion process, so that the pipe material with different bending forms is obtained.
Preferably, the bent shape of the tube material includes a wave shape and a circular arc shape. When waves need to be formed on the pipe material, all the rolling wheels extrude the pipe material, and the pushing amounts of the rolling wheels on the same side of the pipe material are kept consistent; so that the projection distance of the axes of the two rolling wheels on the opposite sides of the pipe material on a plane vertical to the conveying direction of the pipe material is smaller than the diameter of the rolling wheels.
When the circular arc shape is required to be formed on the pipe material, the rolling wheels on one side of the pipe material extrude the pipe material, and in each rolling wheel on the side, the extrusion stroke of the rolling wheel close to the middle position is larger than that of the rolling wheels close to the two sides.
Preferably, along the pipe conveying direction, the center connecting line of the rollers in the two adjacent roller extrusion units has a length projected on the pipe conveying axis greater than the diameter of the rollers.
Preferably, the pipe section AB comprises a wave section; the pipe section CD comprises a circular arc section. The wave section and the arc section are formed by extruding the metal pipe material under the coordination of each roller extruding unit.
Preferably, the number of the pipe material conveying mechanisms is three; the first pipe conveying mechanism is used for feeding; the second pipe material conveying mechanism is used for clamping during pressure forming; and the third pipe material conveying mechanism is used for blanking. The groove cutting device is positioned between the first pipe conveying mechanism and the second pipe conveying mechanism; the pressure forming device is positioned between the second pipe conveying mechanism and the third pipe conveying mechanism.
Preferably, the pipe material forming equipment for preprocessing the seat frame further comprises a flexible clamping mechanism. The flexible clamping mechanism is arranged between the pressure forming device and the third pipe conveying mechanism and used for clamping the pipe when the pipe is extruded. The flexible clamping mechanism comprises two symmetrical unilateral clamping components; the unilateral clamping assembly comprises a clamping wheel, a clamping shaft, a clamping support, a clamping spring, a clamping moving block, a clamping fixed seat and a clamping driving assembly. The clamping moving block is connected to the base in a sliding mode and driven by the clamping driving assembly. The clamping support is fixed on the clamping moving block; the clamping bracket is provided with two edge sliding grooves which are arranged up and down; two ends of the clamping shaft respectively extend into the two sliding chutes; clamping springs are arranged in the two sliding grooves; the clamping spring is propped against the clamping shaft; in the working process, the clamping spring applies elastic force towards the metal pipe material to the clamping shaft; a clamping wheel is fixed on the clamping shaft; the clamping shaft is driven to rotate by a clamping motor.
Preferably, the clamping driving assembly comprises a clamping screw and a clamping motor. The clamping motor is arranged on the base; the clamping screw is supported on the base and is driven to rotate by a clamping motor; the clamping moving block and the clamping screw rod form a screw pair.
Preferably, the pipe conveying mechanism comprises two symmetrical single-side conveying assemblies; the unilateral conveying component comprises a roller, a rotating motor, a rotating shaft, a roller bracket, a conveying moving block and a conveying width adjusting driving component. The conveying moving block is connected to the base in a sliding mode and driven by the conveying width adjusting driving assembly. The roller wheel bracket is fixed on the conveying moving block and is rotatably connected with a rotating shaft which is vertically arranged; the rotating shaft is fixed with a roller; the rotating shaft is driven to rotate by a rotating motor. In the working process, the pipe material passes between the two rollers.
Preferably, the conveying width adjusting drive assembly comprises a moving lead screw and a moving motor. The moving motor is arranged on the base; the movable lead screw is supported on the base and is driven to rotate by a movable motor; the conveying moving block and the moving screw form a screw pair.
Preferably, the lifting power assembly comprises a large platen screw and a large platen motor; the big bedplate lead screw is rotationally connected on the portal. The screw rod of the big bedplate and the big bedplate form a screw pair. The big platen screw is driven to rotate by a big platen motor.
The inclined power assembly comprises a worm, a worm wheel, a box body, a worm wheel shaft, a worm motor and a worm wheel bearing; the box body is fixed on the large bedplate (1-10); two ends of the worm wheel shaft are rotatably connected in the box body through worm wheel bearings; the worm wheel is fixed on the worm wheel shaft; the worm is rotatably connected in the box body and meshed with the worm wheel. The small platen which is horizontally arranged is fixed at the bottom end of the worm wheel shaft.
Preferably, the pressing driving assembly comprises a rolling motor and a rolling lead screw. The rolling motor is arranged on the deformation workbench; the rolling lead screw is supported on the deformation workbench and is driven to rotate by a rolling motor; the rolling moving block and the rolling lead screw form a screw pair.
Preferably, the worktable driving assembly comprises a worktable motor, a worktable lead screw and a worktable nut. The workbench lead screw is rotatably connected to the base. The working table nut is fixed at the bottom of the deformation working table and forms a screw pair with the working table screw rod. The worktable lead screw is driven to rotate by a worktable motor.
The forming method of the pipe material forming equipment for preprocessing the seat framework comprises the following steps:
step one, linear metal pipe materials are conveyed to a groove cutting device by a first pipe material conveying mechanism.
And step two, the inclined power assembly drives the small table plate to rotate, so that the cutting assembly on the small table plate rotates, and the sawing angle of the groove cutting device is adjusted.
And step three, the circular saw motor drives the circular saw blade to rotate, and main motion is provided for the saw cutting groove. The lifting power assembly drives the cutting assembly to move, and an inclined plane is cut at the head end of the pipe material.
And step four, the first pipe material conveying mechanism continues to convey the metal pipe materials, so that the metal pipe materials pass through the second pipe material conveying mechanism until the metal pipe materials reach the position needing pressure forming.
And step five, respectively extruding the pipe material to a target position by the rolling wheels in each rolling wheel extruding unit according to the pipe material shape required to be achieved, so that the metal pipe material reaches the required shape.
And step six, continuously conveying the metal pipe material, and executing step five at each position needing to be subjected to extrusion molding until all positions needing to be molded on the metal pipe material reach the target shape.
Step seven, continuously conveying the metal pipe material, and when the tail end of the metal pipe material reaches the groove cutting device; the groove cutting device cuts a groove at the tail end of the metal pipe material.
The invention has the beneficial effects that:
1. the invention can automatically extrude the wave section and the circular arc section on the linear pipe material, and automatically cut the groove at the two ends of the metal pipe material, the groove provides the space required by welding after the bending operation, and the automation degree of the seat frame production is improved.
2. According to the invention, the rolling wheels are alternately arranged on the two sides of the tube material in sequence, and by controlling the pushing-out degree of each rolling wheel, various tube material shapes can be obtained, so that the tube material forming work of a seat frame at various positions can be completed by one forming device, and the production cost is greatly reduced.
3. The cutting assembly is driven by the small bedplate to integrally rotate, the cutting angle of the cutting assembly is adjusted, the technical problem of automation of a metal framework forming groove in the manufacturing process of the seat in the chair industry is solved, manual or semi-automatic operation for a long time is replaced by full-automatic equipment, the labor intensity of operators is reduced, the manufacturing quality is improved, and the cutting assembly is a key device of an automatic intelligent production line for manufacturing the seat in the chair industry.
Drawings
FIG. 1 is a schematic diagram of the present invention for processing a linear pipe into a pipe with a profiled section structure.
Fig. 2 is a schematic view (top view) of the overall structure of the present invention.
Fig. 3 is a first schematic view (cross-sectional view taken along a line a-a in fig. 2) of the tube stock conveying mechanism according to the present invention.
Fig. 4 is a schematic view (a sectional view taken along the line B-B in fig. 2) of the flexible clamping mechanism of the present invention.
Fig. 5 is a first schematic view (a sectional view of a section C-C in fig. 2) of the press molding apparatus of the present invention.
FIG. 6 is a first schematic view of the groove cutting apparatus of the present invention (a stepped sectional view of section D-D in FIG. 2).
FIG. 7 is a second schematic view of the groove cutting apparatus of the present invention (cross-sectional view taken along section E-E in FIG. 2).
Fig. 8 is a second schematic view (cross-sectional view of section F-F in fig. 2) of the press molding apparatus of the present invention.
Fig. 9 is a second schematic view (cross-sectional view taken along line G-G in fig. 2) of the tube conveying mechanism according to the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 2, a pipe forming apparatus for preprocessing a seat frame is used for processing a linear metal pipe into a wave section and a circular arc section; the wave section and the arc section are arranged at intervals. Bending the metal pipe material with the wave section and the circular arc section at each designated position to obtain a seat framework; in the seat framework, the arc section is used as the decoration of the top of the seat backrest; the arc segment is used for improving the structural strength of the seat back.
As shown in fig. 2, the pipe material forming equipment for preprocessing the seat frame comprises a base 1, a pipe material conveying mechanism 9, a groove cutting device 10, a pressure forming device 7 and a flexible clamping mechanism 3, wherein the pipe material conveying mechanism 9, the groove cutting device 10, the pressure forming device 7 and the flexible clamping mechanism are arranged on the base 1 in sequence. Three pipe conveying mechanisms 9 are provided; the first pipe conveying mechanism is mainly used for conveying pipe materials in the feeding and machining processes, the second pipe conveying mechanism is mainly used for clamping during pressure forming, and the third pipe conveying mechanism is mainly used for blanking. The groove cutting device 10 is positioned between the first pipe conveying mechanism and the second pipe conveying mechanism; the pressure forming device 7 and the flexible clamping mechanism 3 are positioned between the second pipe conveying mechanism and the third pipe conveying mechanism.
As shown in fig. 2, 3 and 9, the tube material conveying mechanism 9 includes two single-side conveying assemblies symmetrical to each other; the unilateral conveying assembly comprises rollers 9-5, a rotating motor 9-7, a rotating shaft 9-6, a roller bracket 9-4, a conveying moving block 9-3, a moving screw 9-2 and a moving motor 9-1. The moving motor 9-1 is arranged on the base 1; the conveying moving block 9-3 is connected on the base 1 in a sliding mode along the width direction of the base. The movable lead screw 9-2 is supported on the base 1 and is driven to rotate by the movable motor 9-1; the conveying moving block 9-3 and the moving screw 9-2 form a screw pair. The roller wheel bracket 9-4 is fixed on the conveying moving block 9-3 and is rotatably connected with a rotating shaft 9-6 which is vertically arranged; a roller 9-5 is fixed on the rotating shaft 9-6; the rotating shaft 9-6 is driven to rotate by a rotating motor 9-7.
The rollers 9-5 in the two single-sided transport assemblies are aligned in the Y direction (perpendicular to the tube transport direction). The distance between the two rollers 9-5 in the Y direction can be adjusted through the rotation of the rotating motors in the two single-side conveying assemblies so as to adapt to the diameter of the pipe material 2. The two rollers 9-5 rotate in opposite directions, so that the pipe materials 2 are driven to be conveyed. When the rollers 9-5 do not rotate, the function of clamping the pipe 2 is achieved.
As shown in fig. 2, 6 and 7, the bevel cutting apparatus 10 includes a gantry 10-12, a large platen 10-10, a lift power assembly, a small platen 10-5, a tilt power assembly and a cutting assembly. The cutting base plate 10-1 is fixed on the base 1. The door frame 10-12 is arranged on the cutting bottom plate 10-1; the large platen motor 10-13 is connected to the gantry 10-12 in a sliding manner in the vertical direction. The lifting power assembly comprises a large bedplate screw rod 10-2, a large bedplate motor 10-13 and a large bedplate guide rod 10-3; the large platen guide bar 10-3 is fixed on the gantry 10-12. The large platen screw 10-2 is rotatably connected to the gantry 10-12. The large bedplate screw rod 10-2 and the large bedplate 10-10 form a screw pair. The big bedplate motor 10-13 is used for driving the big bedplate lead screw 10-2 to rotate and driving the big bedplate 10-10 to move up and down so as to realize cutting feeding and withdrawing.
The small bedplate 10-5 and the large bedplate 10-10 form a revolute pair with a common axis arranged vertically. The inclined power assembly comprises a worm 10-8, a worm wheel 10-9, a box body 10-7, a worm wheel shaft 10-6, a worm motor and a worm wheel bearing 10-11; the box body 10-7 is fixed on the large bedplate 1-10; two ends of the worm wheel shaft 10-6 are rotatably connected in the box body 10-7 through worm wheel bearings 10-11; the worm wheel 10-9 is fixed on a worm wheel shaft 10-6; the worm 10-8 is rotatably connected in the box body 10-7 and meshed with the worm wheel 10-9. A small bedplate 10-5 which is horizontally arranged is fixed at the bottom end of the worm wheel shaft 10-6; the worm motor drives the worm gear and worm transmission mechanism to rotate the worm gear shaft 10-6; the worm wheel shaft 10-6 rotates to drive the small bedplate 10-5 to rotate, so that the cutting assembly on the small bedplate 10-5 rotates to achieve the purpose of angle adjustment, and the small bedplate can adapt to beveling and cutting operations at various angles.
The cutting assembly includes a circular saw motor 10-4 and a circular saw blade 10-14. A circular saw motor 10-4 is fixed on the bottom surface of the small bedplate 10-5, and a circular saw blade 10-14 is fixed on an output shaft; the circular saw motor 10-4 drives the circular saw blade 10-14 to rotate, providing the main motion for sawing. The small bedplate 10-5 is driven to rotate by the tilting power assembly, so that the cutting assembly can cut the end part of the pipe material along any tilting angle, and a bevel notch is formed on the pipe material, thereby facilitating the welding after the subsequent bending operation.
As shown in fig. 2, 5 and 8, the press-forming device 7 includes a deforming table 8, a table rail 5, a table driving assembly, and a tube bending forming assembly mounted on the deforming table 8. A workbench guide rail 5 arranged along the X direction is fixed on the base 1; the deformation workbench 8 is connected on the workbench guide rail 5 in a sliding way; the workbench driving assembly comprises a workbench motor 4, a workbench screw rod 6 and a workbench nut 11. The workbench lead screw 6 is rotatably connected to the base 1. The worktable nut 11 is fixed at the bottom of the deformation worktable 8 and forms a screw pair with the worktable screw rod 6. The worktable screw 6 is driven to rotate by a worktable motor 4 fixed on the base 1 to drive the deformation worktable 8 to do linear motion along the worktable guide rail 5.
The pipe bending and forming assembly comprises three roller extrusion units; the three roller extrusion units are arranged in an isosceles triangle; in the working process, the first roller extrusion unit and the third roller extrusion unit in the X direction are positioned on one side of the pipe material, and the second roller extrusion unit is positioned on the other side of the pipe material. The rolling wheels 7-7 in the three rolling wheel extrusion units apply thrust to different positions of the pipe material, so that the pipe material is bent and deformed to form a wave-shaped or arc-shaped structure.
The roller extrusion unit comprises a roller 7-7, a roller support 7-5, a roller shaft 7-6, a roller fixing seat 7-2, a roller moving block 7-4, a roller motor 7-1 and a roller lead screw 7-3. The rolling motor 7-1 is arranged on the deformation workbench 8; the rolling movable block 7-4 is connected on the base 1 in a sliding way along the Y direction. The rolling lead screw 7-3 is supported on the deformation workbench 8 and is driven to rotate by the rolling motor 7-1; the rolling moving block 7-4 and the rolling lead screw 7-3 form a screw pair. The rolling support 7-5 is fixed on the rolling moving block 7-4 and is rotatably connected with a vertically arranged rolling shaft 7-6; a rolling wheel 7-7 is fixed on the rolling shaft 7-6; the rolling shaft 7-6 is driven to rotate by a rolling motor 7-1. When the second pipe conveying mechanism and the flexible clamping mechanism respectively clamp two ends of the pipe section to be formed; the pressure forming device is used for carrying out pressure forming on the pipe material section to be formed by three rolling wheels which move in X and Y degrees of freedom according to the formed shape.
As shown in fig. 2 and 4, the flexible clamping mechanism 3 comprises two single-side clamping components which are symmetrical to each other; the unilateral clamping assembly comprises a clamping wheel 3-6, a clamping shaft 3-8, a clamping support 3-5, a clamping spring 3-7, a clamping moving block 3-4, a clamping fixed seat 3-1, a clamping screw rod 3-3 and a clamping motor 3-2. The clamping motor 3-2 is arranged on the base 1; the clamping moving block 3-4 is connected to the base 1 in a sliding manner along the width direction of the base. The clamping screw rod 3-3 is supported on the base 1 and is driven to rotate by the clamping motor 3-2; the clamping moving block 3-4 and the clamping screw rod 3-3 form a screw pair. The clamping support 3-5 is fixed on the clamping moving block 3-4; the clamping bracket 3-5 is provided with two sliding chutes which are vertically arranged and arranged along the Y direction; two ends of the clamping shafts 3-8 respectively extend into the two sliding grooves; clamping springs 3-7 are arranged in the two sliding grooves; the clamping spring 3-7 is propped against the clamping shaft 3-8; in the working process, the clamping springs 3-7 apply elastic force towards the pipe materials to the clamping shafts 3-8; the clamping shaft 3-8 is fixed with a clamping wheel 3-6; the clamping shaft 3-8 is driven to rotate by the clamping motor 3-2. The flexible clamping mechanism 3 is used for clamping the end part of the pipe material 2 when in pressure forming, and the clamping is flexible under the action of the clamping springs 3-7.
The forming method of the pipe material forming equipment for preprocessing the seat framework comprises the following steps of:
step one, the linear metal pipe 2 is conveyed to the groove cutting device by a first pipe conveying mechanism.
And step two, the worm wheel shaft 10-6 rotates to drive the small table plate 10-5 to rotate, so that the cutting assembly on the small table plate 10-5 rotates around a vertical axis, the sawing angle of the groove cutting device 10 is adjusted, and the required groove angle is adapted.
And step three, the circular saw motor 10-4 drives the circular saw blade 10-14 to rotate, and main motion is provided for the sawing groove. The lifting power assembly drives the cutting assembly to perform lifting motion, and an inclined plane is cut at the end of the pipe material.
And step four, the first pipe conveying mechanism continues to convey the pipe, so that the pipe passes through the second pipe conveying mechanism until the pipe reaches a position needing pressure forming.
And step five, the second pipe conveying mechanism clamps one end of the formed pipe section, and the flexible clamping mechanism 3 clamps the other end of the formed pipe section.
And step six, according to the shape to be formed, pressure forming is carried out on the formed pipe section by controlling the rolling wheels 7-7 in the three rolling wheel extrusion units, so that the formed pipe section forms a wave shape or a large circle shape.
And step seven, repeating the step four to the step six for each section of pipe section to be molded on the pipe material, and respectively processing a wave section and a circular arc section at the corresponding positions of the pipe section AB and the pipe section CD on the metal pipe material.
And step eight, cutting the groove at the tail end of the metal pipe material according to the methods in the step two and the step three.
And step nine, the third pipe material conveying mechanism conveys the pipe materials which are formed and subjected to groove cutting, and blanking is completed.
Claims (10)
1. The utility model provides a pipe material former for seat skeleton is preprocessed which characterized in that: comprises a base (1), and a pipe material conveying mechanism (9), a groove cutting device (10) and a pressure forming device (7) which are arranged on the base (1); the pipe conveying mechanism (9) is used for conveying pipes; the groove cutting device (10) is used for cutting a groove at the end part of the metal pipe material;
the groove cutting device (10) comprises a gantry (10-12), a large platen (10-10), a lifting power assembly, a small platen (10-5), an inclined power assembly and a cutting assembly; the door frames (10-12) are arranged on the base (1); the large bedplate (10-10) is connected to the gantry (10-12) in a sliding way and driven by a lifting power assembly; the small bedplate (10-5) and the large bedplate (10-10) form a revolute pair; the small bedplate (10-5) is driven to rotate by the tilting power assembly; the cutting assembly comprises a circular saw motor (10-4) and a circular saw blade (10-14); a circular saw motor (10-4) is fixed on the small bedplate (10-5), and a circular saw blade (10-14) is fixed on an output shaft;
the pressure forming device (7) comprises a deformation workbench (8), a workbench guide rail (5), a workbench driving assembly and a pipe bending forming assembly arranged on the deformation workbench (8); the workbench guide rail (5) is fixed on the base (1); the deformation workbench (8) is connected on the workbench guide rail (5) in a sliding way; the sliding direction of the deformation workbench (8) is parallel to the conveying direction of the metal pipe material; the deformation workbench (8) is driven by a workbench driving component;
the pipe bending and forming assembly comprises n roller extrusion units; n is more than or equal to 3; the roller extrusion units are sequentially arranged along the conveying direction of the deformation workbench (8); in the working process, any two adjacent roller extrusion units are respectively positioned on the opposite sides of the metal pipe material;
the roller extrusion unit comprises a roller (7-7), a rolling bracket (7-5), a rolling fixed seat (7-2), a rolling moving block (7-4) and an extrusion driving component; the rolling moving block (7-4) is connected to the deformation workbench (8) in a sliding manner and driven by the extrusion driving assembly to slide; the rolling support (7-5) is fixed on the rolling moving block (7-4) and is rotationally connected with a rolling wheel (7-7); the rolling wheel (7-7) is driven to rotate by a rolling motor (7-1); in the working process, the rolling wheels (7-7) can prop against the side part of the metal tube material under the driving of the extrusion driving component;
after being extruded by the roller wheels (7-7), the pipe material forms a bending shape with the axis extending along the channel between the roller wheels (7-7); the direction of the rolling wheels (7-7) at the two sides of the pipe material is changed by adjusting the terminal position of each rolling wheel (7-7) in the extrusion process, so that the pipe material with different bending forms is obtained.
2. The pipe material forming device for preprocessing the seat frame as claimed in claim 1, wherein: the bending form of the pipe material comprises wave shape and circular arc shape; when waves need to be formed on the pipe materials, all the rolling wheels (7-7) extrude the pipe materials, and the pushing amounts of the rolling wheels (7-7) on the same side of the pipe materials are kept consistent; the projection distance of the axes of the two rolling wheels (7-7) positioned on the opposite sides of the pipe materials on a plane vertical to the conveying direction of the pipe materials is smaller than the diameter of the rolling wheels (7-7);
when the circular arc-shaped pipe material needs to be formed, the roller wheels (7-7) on one side of the pipe material extrude the pipe material, and in each roller wheel (7-7) on the side, the extrusion stroke of the roller wheel (7-7) close to the middle position is larger than that of the roller wheels (7-7) close to the two sides.
3. The pipe material forming device for preprocessing the seat frame as claimed in claim 1, wherein: along the conveying direction of the pipe materials, the length of the central connecting line of the rolling wheels (7-7) in the two adjacent rolling wheel extrusion units projected on the conveying axis of the pipe materials is larger than the diameter of the rolling wheels (7-7).
4. The pipe material forming device for preprocessing the seat frame as claimed in claim 1, wherein: the pipe section AB comprises a wave section; the pipe section CD comprises an arc section; the wave section and the arc section are formed by extruding the metal pipe material under the coordination of each roller extruding unit.
5. The pipe material forming device for preprocessing the seat frame as claimed in claim 1, wherein: three pipe conveying mechanisms (9) are arranged; the first pipe conveying mechanism is used for feeding; the second pipe material conveying mechanism is used for clamping during pressure forming; the third pipe material conveying mechanism is used for blanking; the groove cutting device (10) is positioned between the first pipe conveying mechanism and the second pipe conveying mechanism; the pressure forming device (7) is positioned between the second pipe conveying mechanism and the third pipe conveying mechanism.
6. The pipe material forming device for preprocessing the seat frame as claimed in claim 5, wherein: the device also comprises a flexible clamping mechanism (3); the flexible clamping mechanism (3) is arranged between the pressure forming device (7) and the third pipe conveying mechanism and used for clamping the pipe when the pipe is extruded; the flexible clamping mechanism (3) comprises two symmetrical unilateral clamping components; the unilateral clamping component comprises a clamping wheel (3-6), a clamping shaft (3-8), a clamping bracket (3-5), a clamping spring (3-7), a clamping moving block (3-4), a clamping fixed seat (3-1) and a clamping driving component; the clamping moving block (3-4) is connected to the base (1) in a sliding manner and is driven by the clamping driving component; the clamping support (3-5) is fixed on the clamping moving block (3-4); two edge sliding grooves which are arranged up and down are arranged on the clamping bracket (3-5); two ends of the clamping shafts (3-8) respectively extend into the two sliding grooves; clamping springs (3-7) are arranged in the two sliding grooves; the clamping spring (3-7) is propped against the clamping shaft (3-8); in the working process, the clamping springs (3-7) apply elastic force towards the metal pipe materials to the clamping shafts (3-8); a clamping wheel (3-6) is fixed on the clamping shaft (3-8); the clamping shaft (3-8) is driven to rotate by the clamping motor (3-2).
7. The pipe material forming device for preprocessing the seat frame as claimed in claim 1 or 5, wherein: the pipe conveying mechanism (9) comprises two symmetrical single-side conveying assemblies; the unilateral conveying component comprises a roller (9-5), a rotating motor (9-7), a rotating shaft (9-6), a roller bracket (9-4), a conveying moving block (9-3) and a conveying width adjusting driving component; the conveying moving block (9-3) is connected to the base (1) in a sliding manner and is driven by the conveying width adjusting driving component; the roller wheel bracket (9-4) is fixed on the conveying moving block (9-3) and is rotatably connected with a rotating shaft (9-6) which is vertically arranged; a roller (9-5) is fixed on the rotating shaft (9-6); the rotating shaft (9-6) is driven to rotate by a rotating motor (9-7); in the working process, the pipe material passes between the two rollers (9-5).
8. The pipe forming device for preprocessing the seat frame as claimed in claim 7, wherein: the conveying width adjusting driving assembly comprises a moving lead screw (9-2) and a moving motor (9-1); the mobile motor (9-1) is arranged on the base (1); the movable lead screw (9-2) is supported on the base (1) and is driven to rotate by the movable motor (9-1); the conveying moving block (9-3) and the moving screw rod (9-2) form a screw pair;
the clamping driving assembly comprises a clamping screw rod (3-3) and a clamping motor (3-2); the clamping motor (3-2) is arranged on the base (1); the clamping screw rod (3-3) is supported on the base (1) and is driven to rotate by the clamping motor (3-2); the clamping moving block (3-4) and the clamping screw rod (3-3) form a screw pair;
the workbench driving assembly comprises a workbench motor (4), a workbench lead screw (6) and a workbench nut (11); the workbench lead screw (6) is rotationally connected to the base (1); the workbench nut (11) is fixed at the bottom of the deformation workbench (8) and forms a screw pair with the workbench screw rod (6); the workbench lead screw (6) is driven to rotate by the workbench motor (4);
the extrusion driving assembly comprises a rolling motor (7-1) and a rolling lead screw (7-3); the rolling motor (7-1) is arranged on the deformation workbench (8); the rolling lead screw (7-3) is supported on the deformation workbench (8) and is driven to rotate by a rolling motor (7-1); the rolling moving block (7-4) and the rolling lead screw (7-3) form a screw pair.
9. The pipe material forming device for preprocessing the seat frame as claimed in claim 1, wherein: the lifting power assembly comprises a large platen screw (10-2) and a large platen motor (10-13); the large bedplate screw rod (10-2) is rotationally connected to the gantry (10-12); the big bedplate lead screw (10-2) and the big bedplate (10-10) form a screw pair; the large bedplate screw rod (10-2) is driven to rotate by a large bedplate motor (10-13);
the inclined power assembly comprises a worm (10-8), a worm wheel (10-9), a box body (10-7), a worm wheel shaft (10-6), a worm motor and a worm wheel bearing (10-11); the box body (10-7) is fixed on the big bedplate (1-10); two ends of the worm wheel shaft (10-6) are rotatably connected in the box body (10-7) through worm wheel bearings (10-11); the worm wheel (10-9) is fixed on the worm wheel shaft (10-6); the worm (10-8) is rotationally connected in the box body (10-7) and is meshed with the worm wheel (10-9); a small bedplate (10-5) which is horizontally arranged is fixed at the bottom end of the worm wheel shaft (10-6).
10. The forming method of a pipe forming apparatus for preprocessing a seat frame as claimed in claim 5, wherein: the method comprises the following steps:
firstly, linear metal pipe materials (2) are conveyed to a groove cutting device by a first pipe material conveying mechanism;
secondly, the inclined power assembly drives the small table plate (10-5) to rotate, so that the cutting assembly on the small table plate (10-5) rotates, and the sawing angle of the groove cutting device (10) is adjusted;
thirdly, a circular saw motor (10-4) drives a circular saw blade (10-14) to rotate to provide main motion for sawing the bevel; the lifting power assembly drives the cutting assembly to move, and an inclined plane is cut at the head end of the pipe material;
step four, the first pipe material conveying mechanism continues to convey the metal pipe materials, so that the metal pipe materials pass through the second pipe material conveying mechanism until the metal pipe materials reach the position needing pressure forming;
fifthly, according to the shape of the pipe material to be achieved, the rolling wheels (7-7) in each rolling wheel extrusion unit respectively extrude the pipe material to a target position, so that the metal pipe material achieves the required shape;
step six, continuously conveying the metal pipe material, and executing step five at each position needing extrusion molding until all positions needing molding on the metal pipe material reach the target shape;
seventhly, continuously conveying the metal pipe material, wherein the tail end of the metal pipe material reaches the groove cutting device (10); the groove cutting device (10) cuts a groove at the tail end of the metal pipe material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741112.7A CN114986183B (en) | 2022-06-27 | 2022-06-27 | Pipe forming equipment for preprocessing seat framework and working method of pipe forming equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210741112.7A CN114986183B (en) | 2022-06-27 | 2022-06-27 | Pipe forming equipment for preprocessing seat framework and working method of pipe forming equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114986183A true CN114986183A (en) | 2022-09-02 |
| CN114986183B CN114986183B (en) | 2023-07-11 |
Family
ID=83036921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210741112.7A Active CN114986183B (en) | 2022-06-27 | 2022-06-27 | Pipe forming equipment for preprocessing seat framework and working method of pipe forming equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114986183B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734415A (en) * | 2017-02-06 | 2017-05-31 | 吉林大学 | Metal composite slab three-dimension curved surface progressive forming device |
| CN209935667U (en) * | 2019-05-27 | 2020-01-14 | 烟台卡斯凯特金属制品股份有限公司 | Box roll-in forming and bending production line |
| CN211708829U (en) * | 2019-12-31 | 2020-10-20 | 云南云铝润鑫铝业有限公司 | Automatic production line is restoreed to aluminium guide arm |
| CN112238348A (en) * | 2019-12-17 | 2021-01-19 | 厉风燕 | Pipe bending equipment integrating cutting, polishing and forming |
| CN212821931U (en) * | 2020-06-12 | 2021-03-30 | 佛山市元汇丰五金制品有限公司 | Sizing alignment stop device |
| CN213858046U (en) * | 2020-11-17 | 2021-08-03 | 宁波金凤焊割机械制造有限公司 | Metal slat production line |
| CN113510295A (en) * | 2021-07-30 | 2021-10-19 | 安徽信息工程学院 | Cutting device is used in processing of car seat pipe fitting |
| CN216730564U (en) * | 2021-11-24 | 2022-06-14 | 刘原君 | Rhombus steel production system |
-
2022
- 2022-06-27 CN CN202210741112.7A patent/CN114986183B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106734415A (en) * | 2017-02-06 | 2017-05-31 | 吉林大学 | Metal composite slab three-dimension curved surface progressive forming device |
| CN209935667U (en) * | 2019-05-27 | 2020-01-14 | 烟台卡斯凯特金属制品股份有限公司 | Box roll-in forming and bending production line |
| CN112238348A (en) * | 2019-12-17 | 2021-01-19 | 厉风燕 | Pipe bending equipment integrating cutting, polishing and forming |
| CN211708829U (en) * | 2019-12-31 | 2020-10-20 | 云南云铝润鑫铝业有限公司 | Automatic production line is restoreed to aluminium guide arm |
| CN212821931U (en) * | 2020-06-12 | 2021-03-30 | 佛山市元汇丰五金制品有限公司 | Sizing alignment stop device |
| CN213858046U (en) * | 2020-11-17 | 2021-08-03 | 宁波金凤焊割机械制造有限公司 | Metal slat production line |
| CN113510295A (en) * | 2021-07-30 | 2021-10-19 | 安徽信息工程学院 | Cutting device is used in processing of car seat pipe fitting |
| CN216730564U (en) * | 2021-11-24 | 2022-06-14 | 刘原君 | Rhombus steel production system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114986183B (en) | 2023-07-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102689147B (en) | High-speed straightening dimensioning blanking process and equipment for aluminum flat pipe of automobile air conditioner | |
| CN110560521A (en) | automatic bending machine | |
| CN211638829U (en) | Straight seam welding machine for welding angle steel and flat steel on civil air defense door frame | |
| CN112059008A (en) | Working method of metal shaft tube machining device | |
| CN216264558U (en) | Novel door and window processing lines | |
| CN117464385B (en) | Multifunctional aluminum profile welding equipment | |
| CN115007705A (en) | Method for reversely extruding and thinning multi-step ejector of die pressing pipe | |
| CN115106787B (en) | Seat framework integrated forming equipment and forming method thereof | |
| CN114986183B (en) | Pipe forming equipment for preprocessing seat framework and working method of pipe forming equipment | |
| CN112893539A (en) | Steel plate extrusion forming process and steel plate extrusion forming system | |
| CN116140676B (en) | Full-automatic numerical control edge milling machine for four sides of steel plate | |
| CN211277455U (en) | Clamping device for machining hardware workpiece | |
| CN115945732B (en) | Steel pipe cutting machine | |
| CN115608883B (en) | Device is used in production of carbon spring for motor | |
| CN217395356U (en) | Cutting equipment is used in drain pipe production and processing | |
| CN211075336U (en) | Full-intelligent cutting and carving integrated machine | |
| CN112275863A (en) | Section bar stretch bending equipment | |
| CN219484857U (en) | Three-saw blade aluminum pipe cutting and milling machine | |
| CN216397581U (en) | Rib tearing tool for aluminum profile | |
| CN219293277U (en) | Full-automatic numerical control bending machine | |
| CN213729870U (en) | Engineering machine tool flame cutting anti-deformation device | |
| CN115041970B (en) | Automatic punching and sawing combined equipment for multiple aluminum profiles | |
| CN214133673U (en) | Punch press device suitable for multi-station automatic stretching | |
| CN220805752U (en) | Rolling brush integrated automatic equipment | |
| CN220479829U (en) | Bending mechanism for manufacturing tail frame beam of logging truck |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |