CN221158940U - Automatic welding device for front auxiliary frame reinforcing plate - Google Patents
Automatic welding device for front auxiliary frame reinforcing plate Download PDFInfo
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- CN221158940U CN221158940U CN202322821335.7U CN202322821335U CN221158940U CN 221158940 U CN221158940 U CN 221158940U CN 202322821335 U CN202322821335 U CN 202322821335U CN 221158940 U CN221158940 U CN 221158940U
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- 238000003466 welding Methods 0.000 title claims abstract description 61
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 51
- 230000007246 mechanism Effects 0.000 claims abstract description 131
- 239000000758 substrate Substances 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 11
- 230000007704 transition Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 description 6
- 238000003825 pressing Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
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Abstract
The utility model discloses an automatic welding device for a front auxiliary frame reinforcing plate, which comprises a fixed resistance welder and a rack, and is characterized in that: the rack comprises a clamping unit and a driving unit; the driving unit comprises a driving mechanism mounting plate and a longitudinal travelling mechanism mounting plate, a transverse linear guide rail is arranged on the driving mechanism mounting plate, a sliding block is arranged at the lower part of the longitudinal travelling mechanism mounting plate, and a first ball screw is further arranged on the driving mechanism mounting plate; a clamping unit connecting seat and a nut are arranged on the longitudinal running mechanism mounting plate; the clamping unit comprises a clamping unit substrate, a clamping unit mounting plate, an upper plate positioning mechanism, a reinforcing plate auxiliary positioning mechanism, a supporting clamping mechanism and a reinforcing plate main positioning mechanism. The pneumatic positioning and clamping device is simple in structure, reasonable in design, accurate and high in pneumatic positioning and clamping and high in efficiency.
Description
Technical Field
The utility model relates to an automatic welding device for a front auxiliary frame reinforcing plate, and belongs to the technical field of welding.
Background
In the automobile chassis part industry, most of the welding modes are connected, the general welding modes comprise gas shielded welding and resistance welding, sheet metal products with appearance requirements or structures inconvenient to use arc welding are fixed by adopting the resistance welding mode, and the resistance welding is commonly known as spot welding, and refers to a method for locally heating and simultaneously pressurizing welding a welding part by taking resistance heat generated by current passing through the welding part and a contact part as a heat source. Resistance welding is divided into three modes, wherein the first hand-held welding tongs are manually operated to finish workpiece welding, the welding efficiency is low, the welding spot position assurance capability is poor, the welding quality influence is relatively unstable, and the labor intensity of operators is high; the second type of robot is provided with a welding tongs for automatic welding, a technician sets a robot program to realize automatic welding of workpieces, the equipment cost is high, and the technician level requirement is high; and the third fixed resistance welder is used for manually operating the workpiece to finish workpiece welding on the resistance welder, so that the production efficiency is low and the labor intensity of operators is high.
The grant publication number CN 209578588U discloses a welding jig mechanism for spot welding, its characterized in that: the welding device comprises a substrate, wherein a welding space for spot welding is formed on the substrate, and a first positioning seat, a second positioning seat, a third positioning seat and a fourth positioning seat are sequentially arranged along the periphery of the welding space; the end surfaces of the first positioning seat and the third positioning seat are provided with a first positioning block and a first clamping mechanism; the end surfaces of the second positioning seat and the fourth positioning seat are provided with a second positioning block and a second clamping mechanism. According to the utility model, the problems that the manual deviation can be inevitably generated in the positioning of the common handheld clamp before welding, and the welding spot generates larger deviation at the welding position, so that the welding precision between two welding parts is low are solved, but the manipulator cost is high, the programming technical requirement on the technical staff is high, the clamp is clamped by adopting the manual clamp, the damage to equipment is easily caused by the fact that the manipulator impacts the clamp when the clamp is not clamped in place is detected, and the clamping efficiency is low are solved.
The utility model discloses a welding fixture of a spot welder, which comprises a supporting seat and a clamping part for fixing workpieces, wherein the clamping part comprises a movable cavity formed in the top of the supporting seat, a first motor arranged on one side of the supporting seat, a first screw rod arranged on one side of the first motor, a driving plate sleeved on the outer side of the first screw rod, a driving seat arranged on one side of the driving plate, second screws respectively arranged on two sides of the driving seat and a limiting part arranged at one end of the second screw rod. However, the second screw of the clamp is clamped manually, the machining efficiency is affected due to troublesome operation and troublesome adjustment, and the clamp is not suitable for use in the mass production process. Meanwhile, the clamp has strong limitation, is only suitable for welding regular plates, and can not finish welding on complex structures such as upper and lower plates of the auxiliary frame.
Based on the retrieval of the patent and the problems existing in three processing modes of resistance welding, a set of automatic welding device for workpiece resistance welding is designed and developed, so that the automatic welding of workpieces on a fixed resistance welding machine can be realized, the welding operation can be completed only by manually loading and unloading the workpieces once, the equipment cost is saved, the labor intensity of operators is reduced, and the product quality is improved.
Disclosure of utility model
The utility model aims to provide an automatic welding device for a front auxiliary frame reinforcing plate, which solves the problems of inaccurate workpiece positioning and poor welding quality, completes multipoint automatic welding by one-time workpiece clamping and starting, realizes full-automatic operation, reduces the strength of operators, reasonably controls the cost of welding equipment and effectively improves the processing efficiency of products.
The technical scheme adopted by the utility model is as follows: the utility model provides a preceding sub vehicle frame reinforcing plate automatic welder, includes fixed resistance welder and rack, its characterized in that: the rack comprises a clamping unit for fixing the upper plate and the reinforcing plate and a driving unit for driving the clamping unit to move; the driving unit comprises a driving mechanism mounting plate and a longitudinal travelling mechanism mounting plate which are in sliding connection fit, a transverse linear guide rail is arranged on the driving mechanism mounting plate, a sliding block is arranged at the lower part of the longitudinal travelling mechanism mounting plate, and a first ball screw used for driving the longitudinal travelling mechanism mounting plate is also arranged on the driving mechanism mounting plate; the device comprises a longitudinal travelling mechanism mounting plate, a clamping unit connecting seat and a nut, wherein the clamping unit connecting seat is used for connecting a clamping unit, the nut drives the clamping unit to travel, and the nut connecting seat is arranged above the nut and is used for connecting the clamping unit; the clamping unit comprises a clamping unit substrate connected with a clamping unit connecting seat and a clamping unit mounting plate connected with the clamping unit substrate through a jacking cylinder, wherein an upper plate positioning mechanism, a reinforcing plate auxiliary positioning mechanism, a supporting clamping mechanism and a reinforcing plate main positioning mechanism are arranged on the clamping unit mounting plate.
Further: the upper plate positioning mechanism comprises an upper plate positioning mechanism base matched with the clamping unit mounting plate and an upper plate positioning pin connecting plate with an upper plate positioning pin matched with the upper plate positioning mechanism base; the device also comprises a workpiece detection sensor arranged on the base of the upper plate positioning mechanism.
Further: the reinforcing plate pair positioning mechanism comprises a linear guide rail mounting plate which is matched with the clamping unit mounting plate and provided with a linear guide rail, and a connecting plate at the end part of the guide rod cylinder is matched with the linear guide rail through a sliding block mounting plate; an auxiliary locating pin connecting plate with a fixed reinforcing plate auxiliary locating pin is arranged on the connecting plate at the end part of the guide rod cylinder, and the sliding block mounting plate is connected with a telescopic cylinder for driving the sliding block mounting plate to move.
Further: the supporting clamping mechanism is matched with the clamping unit mounting plate, and comprises a supporting clamping mechanism base, a supporting block and a compacting block which are matched with the workpiece; the supporting block is connected with the base of the supporting and clamping mechanism through the transition plate of the supporting and clamping mechanism, and the compacting block is connected with the free end of the powerful clamping cylinder.
Further: the main positioning mechanism base is provided with a double-guide-rod cylinder, a piston rod of the double-guide-rod cylinder is provided with a main positioning pin connecting plate, and the main positioning pin connecting plate is provided with a main positioning pin of the reinforcing plate.
The utility model has the advantages and positive effects that: the electric control cabinet comprises a frame and an electric control cabinet, wherein a driving unit for controlling transverse and longitudinal walking is connected to the frame in a screwed mode, a longitudinal walking mechanism and a transverse walking mechanism driver are controlled by a servo motor, a linear guide rail and a sliding block slide, a clamping unit for pneumatically positioning and clamping an upper plate and a reinforcing plate is connected to the upper side of the driving unit in a screwed mode, a lifting cylinder and a guide pillar mechanism for lifting and accurately guiding a clamping mechanism mounting plate are respectively connected to a clamping mechanism substrate in a screwed mode, the clamping unit mounting plate is retracted by the lifting cylinder before the driving unit walks, and collision and scratch between an electrode of a fixed resistance welder and the upper plate are avoided. Therefore, the pneumatic positioning and clamping device is simple in structure, reasonable in design, accurate and high in pneumatic positioning and clamping and high in efficiency. The pneumatic execution element is provided with in-place detection, the risk of collision is avoided, the workpiece sensor is effectively prevented from being mistakenly and leakage-proof, automatic welding is realized through one-time clamping, and the requirement on the skill level of an operator is low. Meanwhile, the device can be matched with a fixed resistance welder, and can be matched with a manipulator, so that the compatibility is strong.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a construction of the present utility model;
fig. 2 is a schematic structural view of the driving unit of fig. 1;
FIG. 3 is a schematic view of the structure of the clamping unit of FIG. 1;
FIG. 4 is a schematic view of the reinforcing plate pair positioning mechanism of FIG. 3;
FIG. 5 is a schematic view of the main positioning mechanism of the reinforcing plate of FIG. 3;
FIG. 6 is a schematic view of the upper plate positioning mechanism of FIG. 3;
fig. 7 is a schematic view of the support clamping mechanism of fig. 3.
The serial numbers in the figures illustrate: 1 reinforcing plate, 2 upper plate, 3 clamping unit, 4 driving unit, 5 electric control cabinet, 6 slide rail limit seat, 7 screw, 8 screw connecting seat, 9 clamping unit connecting seat, 10 sensor detecting plate, 11 sensor mounting bracket, 12 longitudinal running mechanism mounting plate, 13 dust cover mounting plate, 14 first ball screw, 15 movable wire slot, 16 transverse linear guide rail, 17 slide rail limit seat, 18 driving mechanism mounting plate, 19 second supporting seat, 20 dust cover mounting seat, 21 second ball screw, 22 driven pulley, 23 tooth form synchronous belt, 24 driving pulley, 25 slide block, 26 driver, 27 coupler, 28 driver mounting plate, 29 first supporting seat, 30 upper plate supporting block base, 31 valve island, 32 terminal box, 33 upper plate supporting block, 34 upper plate positioning mechanism, 35 reinforcing plate pair positioning mechanism, 36 supporting clamping mechanism the device comprises a 37 reinforcing plate main positioning mechanism, a 38 clamping unit mounting plate, a 39 jacking cylinder, a 40 clamping unit substrate, a 41 guide pillar mechanism, a 42 guide rod cylinder end connecting plate, a 43 transition connecting plate, a 44 adjusting gasket, a 45 auxiliary positioning pin connecting plate, a 46 reinforcing plate auxiliary positioning pin, a 47 telescopic cylinder, a 48 telescopic cylinder mounting bracket, a 49 linear guide mounting plate, a 50 double guide rod cylinder, a 51 sliding block mounting plate, a 52 linear guide, a 53 buffering damper, a 54 main positioning mechanism transition plate, a 55 main positioning pin connecting plate, a 56 reinforcing plate main positioning pin, a 57 main positioning mechanism base, a 58 upper plate positioning pin, a 59 upper plate positioning pin connecting plate, a 60 workpiece detection sensor bracket, a 61 workpiece detection sensor, a 62 upper plate positioning mechanism base, a 63 strong clamping cylinder, a 64 clamping block, a 65 supporting block, a 66 supporting clamping mechanism transition plate and a 67 supporting clamping mechanism base.
Detailed Description
The specific structure of the present utility model will be described in detail with reference to fig. 1 to 7. The automatic welding device for the front auxiliary frame reinforcing plate comprises a fixed resistance welder and a rack, wherein the rack comprises a clamping unit 3 for fixing an upper plate 2 and a reinforcing plate 1 and a driving unit 4 for driving the clamping unit to move; the clamping unit is arranged on the upper surface of the electrical control cabinet 5.
The driving unit 4 comprises a transverse traveling mechanism and a longitudinal traveling mechanism for realizing traveling of plane coordinate values, the transverse traveling mechanism is in threaded connection with the electrical control cabinet 5 through a driving mechanism mounting plate 18, four groups of dust cover mounting seats 20 for mounting dust covers are arranged at the positions of the transverse two ends of the driving mechanism mounting plate 18, a transverse driving mechanism for mechanism traveling is arranged at the middle position of the driving mechanism mounting plate 18, and the transverse driving mechanism comprises a driving mounting plate 28 for fixing a driver 26, a coupler 27 for connecting the first ball screw 14 and transmitting torque, and a first supporting seat 29 and a second supporting seat 19 for fixing the first ball screw 14. The driver 26 is controlled by a servo motor with stable transmission, and the sliding mechanism is controlled by a transverse linear guide rail 16 and a sliding block 25 with high repetition accuracy. The two sides of the transverse driving mechanism are symmetrically provided with transverse sliding mechanisms for precise sliding respectively, and each transverse sliding mechanism comprises a transverse linear guide rail 16 for sliding, a sliding block 25 for fixing a longitudinal travelling mechanism, a sliding rail limiting block 17 for limiting sliding and a movable wire slot 15 for placing electric circuit for flexible.
The longitudinal travelling mechanism is in threaded connection with four groups of sliding blocks 25 through a longitudinal travelling mechanism mounting plate 12, and a nut matched with the first ball screw is arranged below the longitudinal travelling mechanism mounting plate 12; the two sides of the vertical travelling mechanism mounting plate 12 are respectively and spirally connected with a dust cover mounting plate 13 for mounting a dust cover and a movable wire slot 15 for placing an electric circuit, a vertical driving mechanism for travelling of the mechanism is mounted in the middle of the vertical travelling mechanism mounting plate, the vertical driving mechanism comprises a power device driver 26, a driver mounting plate 28, a tooth-shaped synchronous belt 23 for guaranteeing synchronous transmission, a driving pulley 24 and a driven pulley 22 for transmitting power, a first supporting seat 29 and a second supporting seat 19 for fixing a second ball screw 21, a driving force conversion screw 7 and a fixed screw simultaneously connect with a screw connecting seat 8 of a clamping unit, and the power of the driver 26 drives the driven pulley 22 under the driving of the tooth-shaped synchronous belt 23 through the driving pulley 24 so as to drive the second ball screw 21 to drive the screw 7, the screw connecting seat 8 and the clamping unit 3 to longitudinally travel. Longitudinal sliding mechanisms are symmetrically arranged on two sides of the longitudinal driving mechanism respectively, each longitudinal sliding mechanism comprises a longitudinal linear guide rail for sliding, a clamping unit connecting seat 9 and a sliding block 25 for connecting a clamping unit, a sliding rail limiting seat 6 with a sliding rail limiting block, a sensor mounting bracket 11 and a sensor detection plate 10 for enabling the sliding mechanism to be in place, and a signal after the sliding mechanism is in place enters the next action after the signal meets the set condition.
The clamping unit is fixed with the clamping unit connecting seat 9 through the clamping unit base plate 40, the clamping mechanism base plate 40 is respectively in threaded connection with a jacking air cylinder 39 and a guide pillar mechanism 41 for jacking and accurately guiding the clamping mechanism mounting plate 38, an upper plate supporting block base 30 for supporting an upper plate is symmetrically in threaded connection with the middle position of the clamping unit mounting plate 38, an upper plate supporting block 33 with adjustable height is in threaded connection with the upper end face of the upper plate supporting block base 30, and a terminal box 32 for electric connection and a valve island 31 for circuit gas circuit conversion are arranged at the front end of the upper plate supporting block base 30. The clamping unit 3 is symmetrically provided with an upper plate positioning mechanism 34, a reinforcing plate main positioning mechanism 37, a reinforcing plate auxiliary positioning mechanism 35 and a supporting clamping mechanism 36 for positioning, supporting and clamping the upper plate 2 and the reinforcing plate 1.
The reinforcing plate auxiliary positioning mechanism 35 is in threaded connection with the clamping unit mounting plate 38 through a linear guide rail mounting plate 49 provided with a linear guide rail 52 and a buffer damper 53, the telescopic cylinder 47 is in threaded connection with the clamping unit mounting plate 38 through a telescopic cylinder mounting plate 48, the end part of the telescopic cylinder 47 is in threaded connection with a slide block mounting plate 51 of a double guide rail cylinder 50 with in-place detection, the end part of the double guide rail cylinder 50 is in threaded connection with a guide rod cylinder end connecting plate 42, and the transition connecting plate 43 is in threaded connection with the end part of the double guide rod cylinder 50, an auxiliary positioning pin connecting plate 45 for fixing a reinforcing plate auxiliary positioning pin 46 and an adjusting gasket 44 for adjusting the position of the reinforcing plate.
The reinforcing plate main positioning mechanism 37 comprises a main positioning mechanism base 57 connected with the double-guide-rod cylinder 50 with in-place detection and the clamping unit mounting plate 38, a reinforcing plate main positioning pin 56 for positioning the reinforcing plate, and a main positioning mechanism transition plate 54. The transition plate 54 of the main positioning mechanism is in threaded connection with a main positioning pin connecting plate 55 for adjusting the position of a main positioning pin 56 of the reinforcing plate.
The upper plate positioning mechanism 34 comprises an upper plate positioning mechanism base 62 screwed to the clamping unit mounting plate 38, a workpiece detection sensor 61 and a workpiece detection sensor bracket 60 for detecting the existence of a workpiece, an upper plate positioning pin 58 and an upper plate positioning pin connecting plate 59 for fixing an upper plate, and the upper plate positioning pin connecting plate 59 is fixed with the upper plate positioning mechanism base 62 in a screwed manner.
The supporting and clamping mechanism 36 comprises a supporting and clamping mechanism base 67, a supporting block 65 and a pressing block 64, wherein the supporting and clamping mechanism base 67 is connected to the clamping unit mounting plate 38 in a threaded manner and is used for connecting a powerful clamping cylinder 63 with in-place detection and a supporting and clamping mechanism transition plate 66.
The electric control cabinet 5 comprises a rack for supporting and installing the driving unit 4, an electric control cabinet for controlling the driving unit to walk, controlling the pneumatic element of the clamping unit to act and transmitting sensor signals, and the electric control cabinet recognizes the existence of a workpiece and the in-place condition of the positioning and clamping mechanism through the sensor, and cannot start welding when automatic alarming under the set condition is not achieved, so that the welding equipment is prevented from colliding with the machine and neglected loading the workpiece.
Detailed operation procedure
Determining the position of a clamping unit at an initial loading and unloading part, cleaning a device, particularly positioning a supporting surface by using a compressed air gun, placing an upper plate, positioning by using an upper plate positioning pin of an upper plate positioning mechanism, pressing a telescopic cylinder in a clamping button reinforcing plate pair positioning mechanism after the mechanism is pushed in place, recognizing the in-place double-guide-rod cylinder by a telescopic cylinder sensor to drive the reinforcing plate pair positioning pin to be lifted in place, simultaneously driving the reinforcing plate main positioning pin to be lifted in place by a double-guide-rod cylinder in a reinforcing plate main positioning mechanism, placing the reinforcing plate for positioning after two groups of double-guide-rod cylinders detect the in-place double-guide-rod cylinder, pressing a button, and pressing a workpiece by a powerful clamping cylinder in a supporting clamping mechanism. And pressing a circulation start button, automatically welding a welding spot by the clamping unit according to a set track under the drive of the driving unit, automatically returning to the initial position of the loading and unloading piece after the welding is finished, simultaneously opening all positioning and clamping mechanisms, manually operating to unload the workpiece, and putting the workpiece into the next product circulation production according to the steps.
Claims (5)
1. The utility model provides a preceding sub vehicle frame reinforcing plate automatic welder, includes fixed resistance welder and rack, its characterized in that: the rack comprises a clamping unit (3) for fixing the upper plate (2) and the reinforcing plate (1) and a driving unit (4) for driving the clamping unit (3) to move;
The driving unit (4) comprises a driving mechanism mounting plate (18) and a longitudinal travelling mechanism mounting plate (12) which are in sliding connection and matching, a transverse linear guide rail (16) is arranged on the driving mechanism mounting plate (18), a sliding block (25) is arranged at the lower part of the longitudinal travelling mechanism mounting plate (12), and a first ball screw (14) for driving the longitudinal travelling mechanism mounting plate (12) is also arranged on the driving mechanism mounting plate (18); a clamping unit connecting seat (9) for connecting the clamping unit (3) and a nut (7) for driving the clamping unit (3) to travel are arranged on the longitudinal traveling mechanism mounting plate (12), and a nut connecting seat (6) for connecting the clamping unit (3) is arranged above the nut (7);
the clamping unit (3) comprises a clamping unit substrate (40) connected with a clamping unit connecting seat (9) and a clamping unit mounting plate (38) connected with the clamping unit substrate (40) through a jacking cylinder (39), wherein an upper plate positioning mechanism (34), a reinforcing plate auxiliary positioning mechanism (35), a supporting clamping mechanism (36) and a reinforcing plate main positioning mechanism (37) are arranged on the clamping unit mounting plate (38).
2. The automatic welding device for the front subframe reinforcing plate according to claim 1, wherein: the upper plate positioning mechanism (34) comprises an upper plate positioning mechanism base (62) matched with the clamping unit mounting plate (38), and an upper plate positioning pin connecting plate (59) with an upper plate positioning pin (58) matched with the upper plate positioning mechanism base (62); also comprises a workpiece detection sensor (61) arranged on the upper plate positioning mechanism base (62).
3. The automatic welding device for the front subframe reinforcing plate according to claim 1, wherein: the reinforcing plate pair positioning mechanism (35) comprises a linear guide rail mounting plate (49) which is matched with the clamping unit mounting plate (38) and provided with a linear guide rail (52), and the guide rod cylinder end connecting plate (42) is matched with the linear guide rail (52) through a slide block mounting plate (51); a secondary locating pin connecting plate (45) with a fixed reinforcing plate secondary locating pin (46) is arranged on a guide rod cylinder end connecting plate (42), and a sliding block mounting plate (51) is connected with a telescopic cylinder (47) for driving the sliding block mounting plate to move.
4. The automatic welding device for the front subframe reinforcing plate according to claim 1, wherein: the supporting and clamping mechanism (36) is matched with the supporting and clamping mechanism base (67) of the clamping unit mounting plate (38), and the supporting block (65) and the compacting block (64) are matched with the workpiece; the supporting block (65) is connected with the supporting clamping mechanism base (67) through the supporting clamping mechanism transition plate (66), and the compressing block (64) is connected with the free end of the powerful clamping cylinder (63).
5. The automatic welding device for the front subframe reinforcing plate according to claim 1, wherein: the reinforcing plate main positioning mechanism (37) is provided with a main positioning mechanism base (57) matched with the clamping unit mounting plate (38), the main positioning mechanism base (57) is provided with a double-guide-rod cylinder (50), a piston rod of the double-guide-rod cylinder (50) is provided with a main positioning pin connecting plate (55), and the main positioning pin connecting plate (55) is provided with a reinforcing plate main positioning pin (56).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322821335.7U CN221158940U (en) | 2023-10-20 | 2023-10-20 | Automatic welding device for front auxiliary frame reinforcing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322821335.7U CN221158940U (en) | 2023-10-20 | 2023-10-20 | Automatic welding device for front auxiliary frame reinforcing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221158940U true CN221158940U (en) | 2024-06-18 |
Family
ID=91537493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322821335.7U Active CN221158940U (en) | 2023-10-20 | 2023-10-20 | Automatic welding device for front auxiliary frame reinforcing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221158940U (en) |
-
2023
- 2023-10-20 CN CN202322821335.7U patent/CN221158940U/en active Active
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