CN113020350B - Automatic positioning and bending production line for stabilizer bar - Google Patents
Automatic positioning and bending production line for stabilizer bar Download PDFInfo
- Publication number
- CN113020350B CN113020350B CN202110253914.9A CN202110253914A CN113020350B CN 113020350 B CN113020350 B CN 113020350B CN 202110253914 A CN202110253914 A CN 202110253914A CN 113020350 B CN113020350 B CN 113020350B
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- positioning
- bending
- stabilizer bar
- production line
- axis truss
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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
- B21D7/06—Bending rods, profiles, or tubes in press brakes or between rams and anvils or abutments; Pliers with forming dies
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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
- 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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- 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
- B21D43/006—Feeding elongated articles, such as tubes, bars, or profiles
-
- 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
- B21D43/02—Advancing work in relation to the stroke of the die or tool
- B21D43/04—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work
- B21D43/10—Advancing work in relation to the stroke of the die or tool by means in mechanical engagement with the work by grippers
- B21D43/105—Manipulators, i.e. mechanical arms carrying a gripper element having several degrees of freedom
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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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- 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
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Abstract
The application discloses an automatic positioning and bending production line for a stabilizer bar, and relates to the technical field of automatic production lines. The application comprises a truss robot, a control module and two manipulators, wherein the control module comprises a control robot, a positioning module, a bending assembly and the like which are sequentially controlled, the positioning module, the bending assembly, a heating device and a quenching device are arranged in a row, the positioning module comprises an end face positioning device, a centering positioning device and a feeding device, and the feeding device is positioned between the heating device and the end face positioning device. According to the automatic positioning bending production line, the manual labor intensity is greatly reduced, the probability of potential safety hazards caused by workshop operation is reduced, the production efficiency is improved, the production cost is saved, the automatic positioning bending production line adopts pure mechanical positioning during automatic positioning, the sensor detection is not relied on, the production line cost and the control difficulty are reduced, and the positioning reliability is ensured while certain precision is ensured.
Description
Technical Field
The application belongs to the technical field of automatic production lines, and particularly relates to an automatic positioning and bending production line for a stabilizer bar.
Background
The transverse stabilizer bar is an important part on an automobile, is an important component part of an automobile suspension part, plays a crucial role in controlling and stabilizing the automobile in the driving process, and therefore has relatively high quality requirements on the stabilizer bar. However, the production process of the stabilizer bar is complex, the factory automation degree is not high, and manual carrying and operation are usually adopted on the production line, so that the labor intensity of workers is high, the efficiency is low, the stabilizer bar is unsafe, and the produced product has low precision and low quality stability. Particularly, the bending process of the stabilizer bar production line needs to be heated in a heating furnace before the bending process, the temperature is high, the stabilizer bars must be precisely positioned when the stabilizer bars are put into a bending machine, and the stabilizer bars of many heavy trucks are long in length and large in mass, so that at least three people are needed for one process to finish, and the limitation of the stabilizer bars is exposed by manual operation.
Disclosure of Invention
The application aims to provide an automatic positioning and bending production line for a stabilizer bar, which greatly reduces the labor intensity of workers through the automatic positioning and bending production line, reduces the probability of potential safety hazards generated during workshop operation, improves the production efficiency, saves the production cost, adopts pure mechanical positioning during automatic positioning of the automatic positioning and bending production line, does not depend on sensor detection, reduces the cost and control difficulty of the production line, ensures the positioning reliability while ensuring certain precision, and solves the problems in the prior art.
In order to achieve the purpose, the application is realized by the following technical scheme:
the automatic positioning and bending production line for the stabilizer bar comprises a truss robot, a control module and two manipulators, wherein the control module comprises a control robot, a positioning module, a bending assembly and the like which are sequentially controlled;
the positioning module comprises an end face positioning device, a centering positioning device and a feeding device, wherein the feeding device is positioned between the heating device and the end face positioning device, the centering positioning device is positioned at one end of the feeding device, the truss robot is arranged above the positioning module, the bending assembly and the quenching device, the control module comprises a robot control box and an electrical control cabinet, and the two manipulators are connected to the truss robot.
Optionally, the terminal surface positioner includes a plurality of first backing cylinders, bearing frame, rack, first telescoping device, third telescoping device, first backing roller, and first backing cylinder is located between two adjacent bearing frames, and the upper end at the rack is installed to the bearing frame, and adjacent first backing roller symmetry sets up, and a plurality of first telescoping device and third telescoping device symmetry are installed at the rack both ends, and two adjacent third telescoping devices are located same horizontal line.
Optionally, the feeding component comprises a support frame and a guide rail, the guide rail is connected with the support frame and the support frame through a pin shaft, and a deceleration strip is arranged on the guide rail.
Optionally, centering positioner includes fly leaf, first motor, rope, spring, second supporting roller, fixed stop, round pin axle and second telescoping device, and the fly leaf passes through round pin axle and spring coupling at the terminal of pay-off subassembly, and first motor is installed on the rack, and the rope is installed between first motor and fly leaf, and the second supporting roller is installed in the pay-off subassembly, and fixed stop and second telescoping device are installed respectively in the terminal both sides of pay-off subassembly.
Optionally, the bending assembly comprises a positioning groove, a forming die and a fourth telescopic device, the forming die is installed on the base, and the forming die is connected with the output end of the fourth telescopic device.
Optionally, the truss robot includes a plurality of stands, truss girders, second motor and manipulator, Y axle truss girders, Z axle truss girders, X axle truss girders, the stand is connected with X axle truss girders, the stand is installed in the both sides of locating module to guenching unit, Y axle truss girders are installed between adjacent two X axle truss girders, Z axle truss girders are connected with Y axle truss girders, the manipulator is installed to Z axle truss girders lower extreme, the junction between each axle truss girder is installed to the second motor, drive Y axle truss girders for X axle truss girders, Z axle truss girders for the removal of Y axle truss girders.
Optionally, the plurality of Y-axis truss girders, the Z-axis truss girders and the manipulator are divided into two sets, one set is used for clamping the stabilizer bar between the positioning module and the bending assembly, and the other set is used for clamping the stabilizer bar between the bending assembly and the quenching device.
Optionally, the clamp splice of manipulator shape is arc, coincides with the radian of stabilizer bar, and the clamp splice can be dismantled and change to adapt to different size stabilizer bars.
The embodiment of the application has the following beneficial effects:
1. the automatic positioning and bending production line greatly reduces the labor intensity, reduces the probability of potential safety hazards generated when people operate in workshops, improves the production efficiency and saves the production cost;
2. the automatic positioning and bending production line adopts pure mechanical positioning during automatic positioning, does not depend on sensor detection, reduces the production line cost and control difficulty, ensures certain precision and ensures positioning reliability;
3. according to the automatic positioning bending production line, the positioning module is directly connected with the heating furnace through the sliding rail, and the stabilizer bar is positioned at the tail end of the sliding rail, so that the positioning time is greatly shortened, the temperature of the stabilizer bar is reduced less during bending, and the product quality is improved;
4. the truss robot of the automatic positioning bending production line is provided with two sets of mechanical arms, can cope with faster working beats and improves the production efficiency; the clamping blocks of the manipulator are arc-shaped and are matched with the radian of the stabilizer bar, and the clamping blocks can be detached and replaced so as to adapt to the stabilizer bars with different sizes.
Of course, it is not necessary for any one product to practice the application to achieve all of the advantages set forth above at the same time.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application. In the drawings:
FIG. 1 is a general view of an automatic stabilizer bar positioning and bending production line of the application;
FIG. 2 is a block diagram of a positioning module of an automatic stabilizer bar positioning and bending production line;
FIG. 3 is a partial enlarged structure diagram of a positioning module of an automatic positioning and bending production line of a stabilizer bar;
FIG. 4 is a diagram of a truss robot structure of an automatic stabilizer bar positioning and bending production line;
FIG. 5 is a control flow chart of the automatic stabilizer bar positioning and bending production line.
Wherein the above figures include the following reference numerals:
heating device 1, positioning module 2, truss robot 3, bending subassembly 4, guenching unit 5, first supporting roller 6, bearing frame 7, rack 8, first telescoping device 9, second telescoping device 10, support frame 11, guide rail 12, fixed stop 13, third telescoping device 14, first motor 15, rope 16, movable stop 17, spring 18, second supporting roller 19, constant head tank 20, forming die 21, fourth telescoping device 22, stand 23, X axle truss roof beam 24, Z axle truss roof beam 25, Y axle truss roof beam 26, manipulator 27, clamp splice 28.
Detailed Description
The following description of the embodiments of the present application 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 application, but not all embodiments. The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses.
In order to keep the following description of the embodiments of the present application clear and concise, the detailed description of known functions and known components thereof have been omitted.
As shown in fig. 1, in this embodiment, there is provided an automatic positioning and bending production line for a stabilizer bar, including: the truss robot 3, a control module and two manipulators 27, wherein the control module comprises a control robot, a positioning module, a bending assembly and the like which are sequentially controlled;
the positioning module 2, the bending assembly 4, the heating device 1 and the quenching device 5 are arranged in a row, the positioning module 2 comprises an end face positioning device, a centering positioning device and a feeding device, the feeding device is located between the heating device 1 and the end face positioning device, the centering positioning device is located at one end of the feeding device, the truss robot 3 is arranged above the positioning module 2, the bending assembly 4 and the quenching device 5, the control module comprises a robot control box and an electrical control cabinet, and two mechanical arms 27 are connected to the truss robot 3.
The control module comprises a robot control box and an electrical control cabinet, the production line is controlled sequentially by the PLC, and the first telescopic device 9, the second telescopic device 10, the third telescopic device 14 and the fourth telescopic device 22 are cylinders or electric push rods.
As shown in fig. 2 and 3, the end surface positioning device of the present embodiment includes a plurality of first supporting rollers 6, bearing blocks 7, a rack 8, first telescopic devices 9, third telescopic devices 14, and first supporting rollers, wherein the first supporting rollers 6 are located between two adjacent bearing blocks 7, the bearing blocks 7 are installed at the upper end of the rack 8, the adjacent first supporting rollers are symmetrically arranged, the plurality of first telescopic devices 9 and the third telescopic devices 14 are symmetrically installed at two ends of the rack 8, and the two adjacent third telescopic devices 14 are located on the same horizontal line.
Wherein, wherein first telescoping device 9 is vertical to be arranged, and the position is slightly off-set two pairs of fulcrum lines that first backing roller provided for preliminary adjustment terminal surface position, telescoping device pole stretches out and presss from both sides the terminal surface of tight stabilizer bar and makes its terminal surface vertical.
Two pairs of first supporting rollers are symmetrically arranged to provide left and right fulcrums for the stabilizer bar.
As shown in fig. 2 and 3, the feeding assembly of the embodiment includes a support 11 and a guide rail 12, the guide rail 12 is connected with the support 11, the support 11 is connected with the rack 8 through a pin shaft, and a deceleration strip is arranged on the guide rail 12 to reduce the impact force when the stabilizer bar rolls down from the heating device.
As shown in fig. 2 and 3, the centering and positioning device of this embodiment includes a movable baffle 17, a first motor 15, a rope 16, a spring 18, a second supporting roller 19, a fixed baffle 13, a pin shaft and a second telescopic device 10, the movable baffle 17 is connected to the tail end of the feeding assembly through the pin shaft and the spring 18, the first motor 15 is installed on the rack 8, the rope 16 is installed between the first motor 15 and the movable baffle 17, the second supporting roller 19 is installed in the feeding assembly, the fixed baffle 13 and the second telescopic device 10 are installed on two sides of the tail end of the feeding assembly respectively, and the movable baffle 17 is kept fixed by the arrangement of the spring 18, so that the movable baffle 17 is driven to rotate around the pin shaft by the first motor 15 through the rope 16.
As shown in fig. 1, the bending assembly 4 of the present embodiment includes a positioning slot 20, a forming mold 21 and a fourth telescopic device 22, and is mounted on a base, where the forming mold 21 is connected to an output end of the fourth telescopic device 22, and is used for bending a stabilizer bar.
As shown in fig. 4, the truss robot 3 of the present embodiment includes a plurality of columns 23, truss beams, a second motor and robot 27, a Y-axis truss beam 26, a Z-axis truss beam 25, and an X-axis truss beam 24, the columns 23 being connected to the X-axis truss beam 24, the columns 23 being installed on both sides of the positioning module 2 to the quenching apparatus 5, the Y-axis truss beam 26 being installed between adjacent two X-axis truss beams 24, the Z-axis truss beam 25 being connected to the Y-axis truss beam 26, the Z-axis truss beam 25 being provided with the robot 27 at a lower end thereof, the second motor being installed at a junction between the respective truss beams, and driving movement of the Y-axis truss beam 26 relative to the X-axis truss beam 24, the Z-axis truss beam 25 relative to the Y-axis truss beam 26.
As shown in fig. 4, the plurality of Y-axis truss beams 26, Z-axis truss beams 25, and robot arms 27 of the present embodiment are divided into two sets, one set for gripping the stabilizer bar between the positioning module 2 and the bending module 4, and one set for gripping the stabilizer bar between the bending module 4 and the quenching apparatus 5.
As shown in fig. 4, the clamping blocks 28 of the manipulator 27 of the embodiment are arc-shaped, and are matched with the radian of the stabilizer bar, and the clamping blocks 28 can be detached and replaced to adapt to stabilizer bars with different sizes.
As shown in fig. 5, the stabilizer bar is discharged from the heating device 1, enters the positioning module 2 through the feeding component to perform centering positioning and end surface positioning respectively, and after positioning, the truss robot 3 carries the stabilizer bar to the bending component 4 to perform punching bending, and then carries the stabilizer bar to the quenching device 5 through the truss robot 3 to complete quenching; the electric control cabinet sequentially controls the heating device 1, the positioning module 2, the bending assembly 4 and the quenching device 5 through plc and sends a grabbing instruction to the truss robot 3, and the robot control cabinet controls the movement track and the picking and placing actions of the truss robot manipulator 27;
as shown in fig. 2, 3 and 5, firstly, a stabilizer bar slides down from a heating device 1 to a positioning module 2 through a feeding component, a movable baffle 17 at the tail end of the feeding component stops the stabilizer bar from sliding down under the action of a spring 18, at the moment, the stabilizer bar is supported by a second supporting roller 19 in the feeding component, a rod of a second telescopic device 10 stretches out to push the stabilizer bar to axially move, and the stabilizer bar stops moving when encountering a fixed baffle 13 to realize centering positioning; then the motor 15 rotates, the movable baffle 17 is pulled by the rope 16, the stabilizer bar is not blocked by the movable baffle 17 and slides onto the two pairs of first supporting rollers 6, the rope 16 is reversed by the motor 15 to restore the loose state, and the movable baffle 17 restores to the original position under the action of the spring 18;
at this time, the stabilizer bar is supported by the first supporting roller 6, and because the position of the first telescopic device 9 is slightly deviated from the connection line of the supporting points provided by the two pairs of first supporting rollers 6, the first telescopic device 9 extends out to touch the edge of the end face of the stabilizer bar, so that the stabilizer bar rotates to the vertical position of the end face, then the first telescopic device 9 retracts, the third telescopic device 14 extends out, and the end face position of the stabilizer bar is corrected to finish the end face positioning;
as shown in fig. 4 and 5, two sets of Y-axis truss beams 26, Z-axis truss beams 25 and manipulators 27 of the truss robot are respectively provided, one set of the Y-axis truss beams is used for clamping the stabilizer bar between the positioning module 2 and the bending assembly 4, the other set of the Y-axis truss beams is used for clamping the stabilizer bar between the bending assembly 4 and the quenching device 5, and the two sets of manipulators can cope with faster working beats, so that the production efficiency is improved.
The above embodiments may be combined with each other.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented in sequences other than those illustrated or otherwise described herein.
In the description of the present application, it should be understood that the azimuth or positional relationships indicated by the azimuth terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal", and "top, bottom", etc., are generally based on the azimuth or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Claims (5)
1. Automatic stabilizer bar positioning and bending production line is characterized by comprising the following steps: the truss robot (3), a control module and two manipulators (27), wherein the control module comprises a control robot, a positioning module, a bending assembly and the like which are sequentially controlled;
the positioning module (2), the bending assembly (4), the heating device (1) and the quenching device (5) are arranged in a row, the positioning module (2) comprises an end face positioning device, a centering positioning device and a feeding device, the feeding device is positioned between the heating device (1) and the end face positioning device, the centering positioning device is positioned at one end of the feeding device, the truss robot (3) is arranged above the positioning module (2), the bending assembly (4) and the quenching device (5), the control module comprises a robot control box and an electrical control cabinet, and two mechanical arms (27) are connected to the truss robot (3);
the end face positioning device comprises a plurality of first supporting rollers (6), bearing seats (7), a rack (8), first telescopic devices (9) and third telescopic devices (14), wherein the first supporting rollers (6) are positioned between two adjacent bearing seats (7), the bearing seats (7) are arranged at the upper end of the rack (8), the adjacent first supporting rollers (6) are symmetrically arranged, the plurality of first telescopic devices (9) and the third telescopic devices (14) are symmetrically arranged at two ends of the rack (8), and the two adjacent third telescopic devices (14) are positioned on the same horizontal line;
the feeding assembly comprises a support frame (11) and a guide rail (12), the guide rail (12) is connected with the support frame (11) and the support frame (11) is connected with the bench (8) through a pin shaft, and a deceleration strip is arranged on the guide rail (12);
the centering positioning device comprises a movable baffle (17), a first motor (15), a rope (16), a spring (18), a second supporting roller (19), a fixed baffle (13), a pin shaft and a second telescopic device (10), wherein the movable baffle (17) is connected to the tail end of a feeding assembly through the pin shaft and the spring (18), the first motor (15) is arranged on a rack (8), the rope (16) is arranged between the first motor (15) and the movable baffle (17), the second supporting roller (19) is arranged in the feeding assembly, and the fixed baffle (13) and the second telescopic device (10) are respectively arranged on two sides of the tail end of the feeding assembly;
the first telescopic devices (9) are vertically arranged, the positions of the first telescopic devices are slightly deviated from the fulcrum connecting lines provided by the two pairs of first supporting rollers, the first telescopic devices are used for preliminarily adjusting the end face positions, and the first telescopic devices (9) extend out of the end faces of the clamping stabilizer bars to enable the end faces of the clamping stabilizer bars to be vertical.
2. The automatic stabilizer bar positioning and bending production line according to claim 1, wherein the bending assembly (4) comprises a positioning groove (20), a forming die (21) and a fourth telescopic device (22), the forming die (21) is arranged on the base, and the output end of the fourth telescopic device (22) is connected with the forming die.
3. A stabilizer bar automatic positioning and bending production line as claimed in claim 2, characterized in that the truss robot (3) comprises a plurality of upright posts (23), a second motor and a manipulator (27), a Y-axis truss beam (26), a Z-axis truss beam (25) and an X-axis truss beam (24), wherein the upright posts (23) are connected with the X-axis truss beam (24), the upright posts (23) are arranged on two sides of the positioning module (2) to the quenching device (5), the Y-axis truss beam (26) is arranged between two adjacent X-axis truss beams (24), the Z-axis truss beam (25) is connected with the Y-axis truss beam (26), the manipulator (27) is arranged at the lower end of the Z-axis truss beam (25), the second motor is arranged at the joint between the respective axis truss beams, and the Y-axis truss beam (26) is driven to move relative to the X-axis truss beam (24) and the Z-axis truss beam (25) relative to the Y-axis truss beam (26).
4. A stabilizer bar automatic positioning and bending production line as claimed in claim 3, characterized in that the plurality of Y-axis truss beams (26), the Z-axis truss beams (25) and the manipulator (27) are divided into two sets, one set for clamping the stabilizer bar between the positioning module (2) and the bending assembly (4) and one set for clamping the stabilizer bar between the bending assembly (4) and the quenching device (5).
5. The automatic stabilizer bar positioning and bending production line according to claim 4, wherein the clamping blocks (28) of the manipulator (27) are arc-shaped and are matched with the radian of the stabilizer bar, and the clamping blocks (28) can be detached and replaced to adapt to stabilizer bars of different sizes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253914.9A CN113020350B (en) | 2021-03-09 | 2021-03-09 | Automatic positioning and bending production line for stabilizer bar |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110253914.9A CN113020350B (en) | 2021-03-09 | 2021-03-09 | Automatic positioning and bending production line for stabilizer bar |
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| CN113020350A CN113020350A (en) | 2021-06-25 |
| CN113020350B true CN113020350B (en) | 2023-08-22 |
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| CN114908230B (en) * | 2022-06-17 | 2023-11-10 | 张家港保税区亚鑫精密制管有限公司 | Hollow stabilizer bar water quenching equipment |
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