CN216607697U - Welding production line for vibration exciter of road roller - Google Patents
Welding production line for vibration exciter of road roller Download PDFInfo
- Publication number
- CN216607697U CN216607697U CN202123176328.3U CN202123176328U CN216607697U CN 216607697 U CN216607697 U CN 216607697U CN 202123176328 U CN202123176328 U CN 202123176328U CN 216607697 U CN216607697 U CN 216607697U
- Authority
- CN
- China
- Prior art keywords
- feeding
- welding
- sliding
- jacking
- exciter
- 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.)
- Active
Links
Images
Landscapes
- Butt Welding And Welding Of Specific Article (AREA)
Abstract
Road roller vibration exciter welding production line includes: the feeding conveying mechanism comprises a feeding transmission structure for conveying materials, a first support for supporting the feeding transmission structure and a feeding power structure for driving the feeding transmission structure; the jacking and shifting mechanism is arranged at the tail part of the feeding conveying mechanism; the position changing mechanism is initially arranged in the horizontal moving direction of the jacking and shifting mechanism, and the distance between the position changing mechanism and the tail part of the feeding conveying mechanism is not more than the maximum horizontal moving distance of the jacking and shifting mechanism; the welding mechanism is arranged on one side of the position changing mechanism and used for welding the material rotating around the central axis of the welding mechanism; unloading conveying mechanism sets up in the indexing mechanism opposite side, and unloading conveying mechanism's top is located the direction of indexing mechanism horizontal migration, and this application compares in prior art, provides a welding production line of automatic feeding, automatic shifting, automatic unloading, can realize 45 ship shape welding of vibration exciter.
Description
The technical field is as follows:
the utility model relates to the technical field of welding of road roller vibration exciters, in particular to a welding production line of a road roller vibration exciter.
Background art:
the vibration exciter is a key core component on a steel wheel of a road roller, can cause the steel wheel to vibrate, can adjust the exciting force of the steel wheel, has the welding quality directly influencing the performance of the whole machine and the service life of the steel wheel, is a key process, and needs to carry out strict flaw detection and appearance inspection after welding. At present, the vibration exciter welding is rotary flat welding, in the welding process, incomplete penetration easily occurs inside a welding seam, beading, incomplete fusion and inconsistent weld corner size easily occur outside the welding seam, and the vibration exciter welding is frequently reworked to carry out planing and repair welding with low yield. The welding process is the process which consumes the longest time in the production and manufacturing process of the vibration exciter, the existing production mode is manual welding and manual carrying, the labor intensity of workers is high, the welding precision is poor, and the welding quality and the production efficiency are severely limited.
The traditional welding has the following defects:
firstly, the automatic welding quality is poor, and the existing clamping tools are all directional vertical clamping tools, so that the automatic welding mode is fillet weld rotating flat welding, the welding quality is poor, and the defects of undercut, surface welding beading, inconsistent welding angle size and the like are easy to occur after welding;
secondly, the manual welding efficiency is low, if a group of vibration exciters are used for manual welding, about 180min is needed, and weld grinding and repair welding are carried out for 40min after the welding is finished, so that the manual welding efficiency is very low;
the labor intensity is high, workers need to rotate for long-time welding and sometimes need to bend over for welding when welding operation is carried out, and the labor intensity is high;
the utility model has the following contents:
in order to solve the problems and overcome the defects of the prior art, the utility model aims to provide a welding production line of a road roller vibration exciter, which can realize automatic feeding, automatic discharging and ship-shaped welding.
In order to achieve the above object, the present invention provides a welding production line for a vibration exciter of a road roller, comprising:
the feeding conveying mechanism comprises a feeding transmission structure for conveying materials, a first support for supporting the feeding transmission structure and a feeding power structure for driving the feeding transmission structure;
the jacking and shifting mechanism is arranged at the tail part of the feeding conveying mechanism and comprises a vertical lifting structure capable of driving the material to lift in the vertical direction and a sliding structure capable of driving the material to horizontally move;
the position changing mechanism is initially arranged in the horizontal moving direction of the jacking and shifting mechanism, and the distance between the position changing mechanism and the tail part of the feeding conveying mechanism is not more than the maximum horizontal moving distance of the jacking and shifting mechanism; the material clamping device comprises a sliding support capable of moving horizontally and a rotating support connected with the sliding support in a rotating mode, wherein a clamping structure capable of enabling materials to rotate around a central axis of the rotating support is further arranged on the rotating support;
the welding mechanism is arranged on one side of the position changing mechanism and is used for welding the materials rotating around the central axis of the welding mechanism;
the blanking conveying mechanism is arranged on the other side of the displacement mechanism, the starting end of the blanking conveying mechanism is positioned in the horizontal moving direction of the displacement mechanism, and the distance between the starting end of the blanking conveying mechanism and the displacement mechanism is not more than the maximum horizontal moving distance of the sliding support; the automatic feeding device comprises a feeding transmission structure for conveying materials, a second support for supporting the feeding transmission structure and a feeding power structure for driving the feeding transmission structure.
Furthermore, the first support is of a cavity structure with an open upper portion, the feeding transmission structure comprises two first conveyor belts which are arranged on two sides of the upper portion of an inner cavity of the first support in parallel, the feeding power structure comprises a first motor fixedly connected with the first support and a transmission wheel connected with the first motor, and the first motor is connected with a power supply through a circuit connected with a control switch.
Furthermore, the sliding structure comprises a sliding plate and two sliding rails fixedly connected with the inner side of the tail part of the first bracket, and the sliding plate is in sliding fit with the sliding rails; the sliding structure further comprises a power device capable of driving the sliding plate to slide along the sliding rail.
Further, the slide rail is of a strip structure, two opposite side faces of the slide rail are provided with sliding grooves matched with the side edges of the slide plate in thickness, and the side edges of the slide plate slide in the grooves in the side faces of the slide rail.
Furthermore, the vertical lifting structure comprises two 7-shaped jacking arms, the lower ends of the jacking arms are fixedly connected with the upper part of the sliding plate, and a jacking cross beam is connected between the two jacking arms; the upper part of the sliding plate is also fixedly connected with a jacking cylinder, and the end part of a piston rod of the jacking cylinder is fixedly connected with a jacking cross beam.
Furthermore, the outer side wall of the longitudinal part of the jacking arm is fixedly connected with a guide sliding block, and the upper part of the sliding plate is provided with a jacking guide slideway matched with the guide sliding block.
Further, the sliding support can slide along a slide rail fixedly arranged on the ground under the action of external force; the rotary bracket is of a rectangular plate-shaped structure, one side of the rotary bracket is rotatably connected with the sliding bracket, and the other side of the rotary bracket is connected with a clamping structure; the clamping structure comprises a lower clamping seat connected with the lower end of the rotating bracket and an upper clamping seat connected with the upper end of the rotating bracket in a sliding manner; the upper clamping seat is driven by a clamping cylinder fixedly connected with the rotating bracket; lower dress holder, last dress holder are connected with rotating chuck, facial make-up chuck respectively, rotating chuck can rotate around self axis under the exogenic action, facial make-up chuck passes through the bearing and links to each other with last dress holder, and the facial make-up chuck is the toper towards rotating chuck's one end, rotating chuck, facial make-up chuck are coaxial.
Furthermore, the blanking transmission structure is a second conveyor belt which is rotatably connected to the upper part of the second support, the blanking power structure comprises a second motor and a transmission wheel, the second motor is fixedly connected with the second support, the transmission wheel is connected with the second motor, and the second motor is connected with a power supply through a circuit connected with a control switch.
Furthermore, an included angle between the feeding conveying mechanism and the discharging conveying mechanism is a right angle; the horizontal moving direction of the position changing mechanism is parallel to the blanking conveying mechanism.
Furthermore, the feeding conveying mechanism and the blanking conveying mechanism can also be arranged in parallel; the horizontal moving direction of the position changing mechanism is vertical to the blanking conveying mechanism.
The utility model has the beneficial effects that: compared with the prior art, the application provides a welding production line with automatic feeding, automatic shifting and automatic discharging, and can realize 45-degree ship-shaped welding of a vibration exciter. Through the matching of the feeding conveying mechanism and the jacking displacement mechanism, the vibration exciter to be welded can be conveyed to the clamping structure of the displacement mechanism for clamping; the welding mechanism is welded after the vibration exciter is adjusted by 45 degrees by rotating the bracket; after welding, the rotating support rotates 45 degrees again to be in a horizontal state, the sliding support slides horizontally, and the welded vibration exciter is transmitted to the blanking conveying mechanism; the whole process does not need to manually participate in heavy transportation and welding work; the process control is simple, each start node and each stop node can be controlled by a limit switch, a photoelectric switch or a manual work, the technology is mature, and the cost is low.
Description of the drawings:
FIG. 1 is a schematic diagram of an arrangement according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a portion of the indexing mechanism of the present invention;
FIG. 3 is a schematic diagram of a portion of the characteristic structure of the feeding conveyor mechanism of the present invention;
FIG. 4 is a schematic view of a portion of the feature of the lowest position of the jacking-displacing mechanism of the present invention;
FIG. 5 is a schematic diagram of a part of the characteristic structure of the jacking displacement mechanism in the jacking state;
FIG. 6 is a schematic diagram of a part of the characteristic structure of the blanking conveying mechanism of the utility model;
in the drawings: 1. the automatic feeding device comprises a feeding conveying mechanism, 2, a jacking displacement mechanism, 3, a displacement mechanism, 4, a welding mechanism, 5, a discharging conveying mechanism, 101, a first conveying belt, 102, a first support, 103, a first transmission box, 201, a jacking arm, 202, a jacking cross beam, 203, a jacking guide slideway, 204, a jacking cylinder, 205, a sliding plate, 301, a sliding support, 302, a rotating support, 303, an upper clamping seat, 304, an upper clamping head, 305, a rotating chuck, 306, a lower clamping seat, 307, a clamping cylinder, 501, a second conveying belt, 502 and a second support.
The specific implementation mode is as follows:
in order to make the implementation objects, technical solutions and advantages of the present invention clearer, the present invention will be described in more detail below with reference to the accompanying drawings of the present invention.
In describing the present invention, it should be understood that the description of the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the scope of the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and the terms "forward" and "reverse" are only used to indicate that two rotations are in opposite directions and do not correspond to clockwise and counterclockwise rotations, and the specific correspondence is determined by the device placement position.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in figures 1-6, the welding line for the exciter of a road roller comprises:
the feeding conveying mechanism 1 comprises a feeding transmission structure, a first bracket 102 and a feeding power structure; a first support 102; according to the shape characteristics that the middle part of the vibration exciter is a semicircular disc, two ends of the semicircular disc are provided with cylindrical middle shafts penetrating through the semicircular disc, the feeding transmission structure is provided with two first conveyor belts 101 which are arranged in parallel, and the feeding transmission structure is matched with the first conveyor belts 101 and also comprises a cavity structure that a first support 102 is provided with an opening at the upper part, so that the vibration exciter which is subjected to spot welding is placed on the first conveyor belts 101 in a mode that the middle shafts are vertical, the semicircular disc in the middle part of the vibration exciter is pressed on the two first conveyor belts 101, and the middle shafts are positioned in gaps between the two first conveyor belts 101; the vibration exciter is vertically placed, so that the vibration exciter is stable, and the clamping structure is convenient to clamp; the feeding power structure is a first motor, the motor is used for driving the conveying belt, the common mature technology is adopted, the performance is reliable, the cost is low, and the control is simple.
For safety, the first conveyor belt 101 surrounds a circle of the first transmission box 103, and the first transmission box 103 surrounds the lower half part of the first conveyor belt 101 and the first motor, so that a worker can be prevented from being touched by mistake and being injured.
The jacking and shifting mechanism 2 is a transition mechanism used for shifting the vibration exciter to be welded to the position changing mechanism 3 and carrying out clamping welding; the vibration exciter is transferred to the displacement mechanism 3 from the tail part of the feeding conveying mechanism 1, and the stroke is shortest, so the jacking displacement mechanism 2 is preferably arranged at the tail part of the feeding conveying mechanism 1; in the shifting process, firstly, the vibration exciter is lifted and separated from the first conveyor belt 101 by the vertical lifting structure, and then the sliding structure moves forwards along the sliding rail until the central axis of the middle shaft of the vibration exciter is on the same straight line with the central axes of the rotating chuck 305 and the upper clamping head 304; after the clamping structure finishes clamping, the jacking and shifting mechanism 2 resets.
The position changing mechanism 3 is used for positively rotating the vibration exciter with the clamping structure clamped, the vibration exciter rotates 45 degrees from the vertical state, and welding of welding seams at the 45-degree ship-shaped position is achieved. The chuck 305 is rotated to drive the vibration exciter to rotate, and the auxiliary welding structure is used for welding the circumferential welding seam of the vibration exciter; the external force driving the spin chuck 305 may come from a common reduction motor.
After welding, the rotating bracket 302 rotates forwards by 45 degrees again to be in a horizontal state, the sliding bracket 301 slides horizontally to the blanking conveying mechanism 5 under the traction of external force, and the welded vibration exciter is transmitted to the end part of a second conveying belt 501 of the blanking conveying mechanism 5; then the clamping structure is separated from the vibration exciter, the rotating bracket 302 rotates reversely until the lowest point of the lower clamping seat 306 is higher than the highest point of the vibration exciter, and the sliding bracket 301 is pulled by external force to be horizontally reset. According to production experience, the collision between the lower clamping seat 306 and the vibration exciter and the collision between the rotating bracket 302 and the blanking conveying mechanism 5 can be avoided within 25-55 degrees.
The blanking conveying mechanism 5 is the last process of the welding line, and vibration exciters on the second conveying belt 501 of the blanking conveying mechanism 5 are all finished products after welding.
It should be noted that the vibration exciter is a metal part, which is important, the surface of the vibration exciter is not smooth, and the friction force is increased, and the first conveyor belt 101 and the second conveyor belt 501 are preferably chain plate type conveyor belts, which can provide larger bearing capacity with smaller deformation and prolong the service life compared with rubber or cloth conveyor belts
As a common arrangement form, an included angle between the feeding conveying mechanism 1 and the blanking conveying mechanism 5 is a right angle; the horizontal moving direction of the displacement mechanism 3 is parallel to the blanking conveying mechanism 5.
As another common arrangement, the feeding conveying mechanism 1 is arranged in parallel with the discharging conveying mechanism 5; the horizontal moving direction of the displacement mechanism 3 is vertical to the blanking conveying mechanism 5.
Compared with the prior art, the application provides a welding production line with automatic feeding, automatic shifting and automatic discharging, and can realize 45-degree ship-shaped welding of a vibration exciter. Through the matching of the feeding conveying mechanism 1 and the jacking displacement mechanism 2, the vibration exciter to be welded can be conveyed to the clamping structure of the displacement mechanism 3 for clamping; the bracket 302 is rotated to adjust the vibration exciter by 45 degrees, and then the welding mechanism 4 is welded; after welding, the rotating bracket 302 rotates 45 degrees again to be in a horizontal state, the sliding bracket 301 slides horizontally, and the welded vibration exciter is transmitted to the blanking conveying mechanism 5; the whole process does not need to manually participate in heavy transportation and welding work; the process control is simple, each start node and each stop node can be controlled by a limit switch, a photoelectric switch or a manual work, the technology is mature, and the cost is low.
Except for the technical features described in the specification, the method is known to the technical personnel in the field.
Claims (10)
1. Road roller vibration exciter welding production line, its characterized in that: the method comprises the following steps:
the feeding conveying mechanism (1) comprises a feeding transmission structure for conveying materials, a first support (102) for supporting the feeding transmission structure and a feeding power structure for driving the feeding transmission structure;
the jacking and shifting mechanism (2) is arranged at the tail part of the feeding conveying mechanism (1) and comprises a vertical lifting structure capable of driving the material to lift in the vertical direction and a sliding structure capable of driving the material to horizontally move;
the position changing mechanism (3) is initially arranged in the horizontal moving direction of the jacking and shifting mechanism (2), and the distance between the position changing mechanism and the tail part of the feeding conveying mechanism (1) is not more than the maximum horizontal moving distance of the jacking and shifting mechanism (2); the material clamping device comprises a sliding support (301) capable of moving horizontally and a rotating support (302) connected with the sliding support (301) in a rotating mode, wherein a clamping structure capable of enabling materials to rotate around a central axis of the rotating support (302) is further arranged on the rotating support (302);
the welding mechanism (4) is arranged on one side of the position changing mechanism (3) and is used for welding the materials rotating around the center shaft of the welding mechanism;
the blanking conveying mechanism (5) is arranged on the other side of the displacement mechanism (3), the starting end of the blanking conveying mechanism (5) is positioned in the horizontal moving direction of the displacement mechanism (3), and the distance between the starting end and the displacement mechanism (3) is not more than the maximum horizontal moving distance of the sliding support (301); the automatic feeding device comprises a feeding transmission structure for conveying materials, a second support (502) for supporting the feeding transmission structure and a feeding power structure for driving the feeding transmission structure.
2. The welding line for the exciter of the road roller according to claim 1, characterized in that the first frame (102) is a cavity structure with an open upper portion, the feeding transmission structure comprises two first conveyor belts (101) arranged in parallel at two sides of the upper portion of the inner cavity of the first frame (102), the feeding power structure comprises a first motor fixedly connected with the first frame (102) and a transmission wheel connected with the first motor, and the first motor is connected with a power supply through a circuit connected with a control switch.
3. The welding line for the exciter of the road roller according to claim 1, characterized in that said sliding structure comprises a sliding plate (205) and two sliding rails fixedly connected to the inner side of the tail of the first bracket (102), said sliding plate (205) being in sliding engagement with the sliding rails; the sliding structure further comprises a power device capable of driving the sliding plate (205) to slide along the sliding rail.
4. The welding production line for the exciter of the road roller according to claim 3, characterized in that the slide rails are of a strip structure, the two opposite side surfaces of the slide rails are provided with slide grooves with the size matched with the thickness of the side edges of the slide plate (205), and the side edges of the slide plate (205) slide in the grooves on the side surfaces of the slide rails.
5. The welding production line for the exciter of the road roller according to claim 1, characterized in that the vertical lifting structure comprises two 7-shaped jacking arms (201), the lower ends of the jacking arms (201) are fixedly connected with the upper part of the sliding plate (205), and a jacking cross beam (202) is connected between the two jacking arms (201); the upper part of the sliding plate (205) is also fixedly connected with a jacking cylinder (204), and the end part of a piston rod of the jacking cylinder (204) is fixedly connected with a jacking cross beam (202).
6. The welding production line for the exciter of the road roller as claimed in claim 5, wherein the outer side wall of the longitudinal part of the jacking arm (201) is fixedly connected with a guide sliding block, and the upper part of the sliding plate (205) is provided with a jacking guide slideway (203) matched with the guide sliding block.
7. Welding line for the exciter of rollers according to claim 1, characterised in that said sliding support (301) is able to slide along a slideway fixed to the ground under the action of an external force; the rotating bracket (302) is of a rectangular plate-shaped structure, one side of the rotating bracket (302) is connected with the sliding bracket (301) in a rotatable manner, and the other side of the rotating bracket (302) is connected with a clamping structure; the clamping structure comprises a lower clamping seat (306) connected with the lower end of the rotating bracket (302) and an upper clamping seat (303) connected with the upper end of the rotating bracket (302) in a sliding manner; the upper clamping seat (303) is driven by a clamping cylinder (307) fixedly connected with the rotating bracket (302); lower dress holder (306), facial make-up holder (303) are connected with respectively and rotate chuck (305), facial make-up chuck (304), it can rotate around self axis under the exogenic action to rotate chuck (305), facial make-up chuck (304) link to each other with facial make-up holder (303) through the bearing, and facial make-up chuck (304) are the toper towards the one end that rotates chuck (305), it is coaxial to rotate chuck (305), facial make-up chuck (304).
8. The welding line for the exciter of the road roller according to claim 1, characterized in that said blanking power transmission structure is a second conveyor belt (501) rotatably connected to the upper portion of the second frame (502), said blanking power transmission structure comprises a second motor fixedly connected to the second frame (502) and a transmission wheel connected to said second motor, said second motor being connected to a power supply via a line connected to a control switch.
9. The welding line for the exciter of the road roller according to claim 1, characterized in that the angle between the feeding conveyor mechanism (1) and the blanking conveyor mechanism (5) is a right angle; the horizontal moving direction of the position changing mechanism (3) is parallel to the blanking conveying mechanism (5).
10. The welding line for the exciter of the road roller according to claim 1, characterized in that the feeding conveyor (1) and the blanking conveyor (5) can also be arranged in parallel; the horizontal moving direction of the position changing mechanism (3) is vertical to the blanking conveying mechanism (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123176328.3U CN216607697U (en) | 2021-12-17 | 2021-12-17 | Welding production line for vibration exciter of road roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123176328.3U CN216607697U (en) | 2021-12-17 | 2021-12-17 | Welding production line for vibration exciter of road roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216607697U true CN216607697U (en) | 2022-05-27 |
Family
ID=81702527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123176328.3U Active CN216607697U (en) | 2021-12-17 | 2021-12-17 | Welding production line for vibration exciter of road roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216607697U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592327A (en) * | 2022-11-11 | 2023-01-13 | 山推工程机械股份有限公司（Cn） | Automatic welding production line of steel wheel |
-
2021
- 2021-12-17 CN CN202123176328.3U patent/CN216607697U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115592327A (en) * | 2022-11-11 | 2023-01-13 | 山推工程机械股份有限公司（Cn） | Automatic welding production line of steel wheel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104785938A (en) | Assembling and welding working station for cylinders and end plates of steam-injection machine | |
| CN216607697U (en) | Welding production line for vibration exciter of road roller | |
| CN215967133U (en) | Welding production line of piece type standard knot robot | |
| CN213969442U (en) | Submerged arc welding equipment for synchronously welding inner and outer wall welding seams of cylindrical workpiece | |
| CN113664401A (en) | Steel arch frame production line | |
| CN113210989A (en) | Automatic turning welding tool capable of being linked with manipulator for pull rod | |
| CN208005159U (en) | A kind of tubing joint close automatic assembly line | |
| CN112340266A (en) | Assembling device and assembling method for tank body swash plate | |
| CN112372302A (en) | Collude indisputable equipment of welding and milling flat welding seam device | |
| CN210997467U (en) | Steel band edge rolling welding flanger of duplex position production | |
| CN216326066U (en) | Slice type standard knot combined spin welding device | |
| CN215847345U (en) | Pipe welding seam polishing device | |
| CN215316454U (en) | Barrel group is to concatenation equipment | |
| CN112404806B (en) | Automatic assembling and welding device and method for bent ribs | |
| CN112719676A (en) | Barrel group is to concatenation equipment | |
| CN111230388A (en) | Automatic welding system | |
| CN211248933U (en) | Automatic welding production line for steel structure | |
| KR20110030154A (en) | Automatic welding system and automatic welding method using it | |
| CN218004617U (en) | Winding steering mechanism and magnetic ring winding machine | |
| CN115971781A (en) | Steel pipe longitudinal seam welding machine | |
| CN211162748U (en) | Preassembling machine table for upper cover plate and lower cover plate of steel drum body | |
| CN207695824U (en) | A kind of auxiliary body of submerged arc mounted welder | |
| CN213969647U (en) | Automatic double-gun welding special machine for excavator connecting lug plate | |
| CN212739005U (en) | Sheet metal part carrying device for automobile manufacturing industry | |
| CN215747244U (en) | Steel arch frame production line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |