CN221258152U - Bending machine convenient to move - Google Patents
Bending machine convenient to move Download PDFInfo
- Publication number
- CN221258152U CN221258152U CN202322934445.4U CN202322934445U CN221258152U CN 221258152 U CN221258152 U CN 221258152U CN 202322934445 U CN202322934445 U CN 202322934445U CN 221258152 U CN221258152 U CN 221258152U
- Authority
- CN
- China
- Prior art keywords
- workbench
- bending machine
- respectively provided
- mounting
- adjusting
- 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
- 238000005452 bending Methods 0.000 title claims abstract description 45
- 239000000463 material Substances 0.000 claims abstract description 12
- 230000002457 bidirectional effect Effects 0.000 claims description 30
- 230000005611 electricity Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 230000001105 regulatory effect Effects 0.000 description 4
- 210000001503 joint Anatomy 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
Landscapes
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The utility model discloses a bending machine convenient to move, which comprises a workbench and a moving mechanism; a working table: the front side and the rear side of the lower end of the workbench are respectively provided with a guide chute, the upper side of the front end of the workbench is provided with a mounting box, the mounting grooves arranged at the lower end of the mounting box are slidably connected with an adjusting plate, the left side and the right side of the front end of the adjusting plate are respectively provided with a fixing seat, the lower end of the adjusting plate is respectively provided with a clamp, the lower ends of the clamps are respectively provided with an upper cutting die, the front side of the upper end of the workbench is provided with a lower die holder, the left side and the right side of the front end of the workbench are respectively provided with a mounting rack, and the upper ends of the mounting racks are respectively provided with a material supporting plate; and a moving mechanism: the bending machine is arranged in the guide chute, the universal wheel can be stretched out in the moving process, the bending machine convenient to move is separated from the ground, the universal wheel is retracted again after the bending machine convenient to move is moved, and the whole process can be completed by only one motor, so that the flexibility of the bending machine is improved.
Description
Technical Field
The utility model relates to the technical field of bending equipment, in particular to a bending machine convenient to move.
Background
The bending machine is a machine for pressing workpieces into different shapes and bending thin plates according to requirements, is an important device for bending the workpieces in the sheet metal industry, meets the requirements of various workpieces, can process the workpieces with side walls, has higher bending precision, and can meet the requirements of various workpieces by replacing a bending machine die;
when the bending machine works, a material to be bent is placed at the upper end of the lower die holder, then the electric push rod starts to operate through the regulation and control of the control equipment, the telescopic end of the electric push rod extends, the upper die is driven to move downwards through the regulating plate, and the material is bent through the upper die;
Before the existing bending machine is used, the bending machine can be moved through the cooperation of external traction equipment and hanging rings, the operation is troublesome, the bending machine which is partially convenient to move moves through the universal wheels arranged at the lower end of the bending machine, after the bending machine which is convenient to move moves to a designated working place, the bending machine needs to be supported and fixed through the supporting device, most of the existing supporting equipment lifts the bending machine by using a plurality of electric push rods or hydraulic rods, the universal wheels are separated from the ground, and the bending machine is supported and fixed and moved, so that the bending machine is convenient to move while the stability of the bending machine is improved, but the cost is relatively high, and for this reason, the bending machine which is convenient to move is provided.
Disclosure of utility model
The utility model aims to overcome the existing defects, and provides the bending machine convenient to move, the position of the universal wheel can be adjusted according to actual conditions through the matching arrangement of the adjusting seat and the fixing seat, the universal wheel is stretched out in the moving process, the bending machine convenient to move is separated from the ground, the universal wheel is retracted again after the movement, the bending machine convenient to move is contacted with the ground again, the structure is simple, the whole process can be completed by only one motor, the operation is simple, the relative cost is low, the flexibility of the bending machine is improved, and the problems in the background technology can be effectively solved.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a bending machine convenient to move comprises a workbench and a moving mechanism;
A working table: the front side and the rear side of the lower end of the workbench are respectively provided with a guide chute, the upper side of the front end of the workbench is provided with a mounting box, the mounting grooves arranged at the lower end of the mounting box are slidably connected with an adjusting plate, the left side and the right side of the front end of the adjusting plate are respectively provided with a fixing seat, the lower end of the adjusting plate is respectively provided with a clamp, the lower ends of the clamps are respectively provided with an upper cutting die, the front side of the upper end of the workbench is provided with a lower die holder, the left side and the right side of the front end of the workbench are respectively provided with a mounting rack, and the upper ends of the mounting racks are respectively provided with a material supporting plate;
And a moving mechanism: the movable mechanism is arranged in the guide chute, the movable mechanism is arranged in the cavity formed in the right side of the inside of the workbench, the position of the universal wheel can be adjusted according to actual conditions through the matching of the adjusting seat and the fixing seat, the universal wheel is stretched out in the moving process, the bending machine convenient to move is separated from the ground, the universal wheel is retracted again after the movement, the bending machine convenient to move is in contact with the ground again, the structure is simple, the whole process can be completed by only one motor, the operation is simple, the relative cost is low, and the flexibility of the bending machine is improved.
Further, the automatic control device also comprises a control switch group, wherein the control switch group is arranged at the right end of the workbench, and the input end of the control switch group is electrically connected with an external power supply and can regulate and control electrical elements in the equipment.
Further, moving mechanism includes mounting panel, adjusting seat, unable adjustment base, connecting rod and universal wheel, the inner wall sliding connection of adjusting seat all with the direction spout, the mounting panel is sliding connection respectively in the inside downside of direction spout, the left and right sides of mounting panel upper end is provided with unable adjustment base respectively, all be connected with the connecting rod through the round pin axle rotation in the spread groove that the unable adjustment base upper end set up, the upper end of connecting rod is connected with the lower extreme rotation of vertical adjacent adjusting seat through the round pin axle respectively, the universal wheel sets up in the left and right sides of mounting panel lower extreme respectively, can adjust through the position of universal wheel fifty percent discount bender.
Further, the moving mechanism further comprises a bidirectional screw and belt pulleys, the bidirectional screw is rotationally connected to the upper side of the inside of the guide chute through bearings, the adjusting seats are respectively connected to the left side and the right side of the outer cambered surface of the bidirectional screw through threaded holes formed in the right end, the belt pulleys are respectively arranged on the right side of the outer cambered surface of the bidirectional screw, the two belt pulleys are connected through belt transmission, the belt pulleys are all located in a cavity formed in the right side of the inside of the workbench, and the positions of the universal wheels can be adjusted through connecting rods.
Further, still include the motor, the motor sets up in the right-hand member of workstation, and the left end of motor output shaft and the right-hand member fixed connection of the two-way screw rod of rear side, the input of motor and the output electricity of control switch group are connected, can adjust the position of seat through two-way screw rod.
Further, still include electric putter, electric putter sets up in the left and right sides of installing the case roof, electric putter's lower extreme of flexible end respectively with the upper end fixed connection of vertical adjacent fixing base, electric putter's input all is connected with the output electricity of control switch group, can adjust the position of going up the cutting die.
Further, the automatic feeding device also comprises a supporting seat, wherein the supporting seat is arranged at the lower end of the workbench, and is used for supporting and fixing the workbench and internal equipment.
Compared with the prior art, the utility model has the beneficial effects that: this bender convenient to remove has following benefit:
before using, through the regulation and control of control switch group, the motor starts the operation, the output shaft of motor drives the bidirectional screw of rear side and rotates, the bidirectional screw of rear side drives the belt pulley of rear side and rotates, the belt pulley of rear side passes through the belt and drives the belt pulley of front side and rotate, and then drive two bidirectional screw simultaneously, at the rotatory in-process of bidirectional screw, bidirectional screw passes through threaded connection and drives the adjustment seat and remove, the interval between two laterally adjacent adjustment seats increases gradually this moment, the adjustment seat is through a connecting rod for unable adjustment base decurrent thrust, thereby make unable adjustment base drive the universal wheel and stretch out downwards, when universal wheel and ground contact, the connecting rod jack-up the bender through the universal wheel, make supporting seat and ground separation, promote the workstation this moment, the bender that will be convenient for remove is moved to appointed place of work, through the cooperation setting of adjustment seat and unable adjustment base, can be adjusted the position of universal wheel according to actual conditions, simple structure, this whole process just needs a motor just can accomplish, easy operation, relative cost is lower, the flexibility of bender has been improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the front cross-sectional structure of the present utility model;
fig. 3 is a schematic view of a front sectional plan structure of the present utility model.
In the figure: the device comprises a workbench 1, a control switch group 2, a guide chute 3, a moving mechanism 4, a bidirectional screw 41, a mounting plate 42, an adjusting seat 43, a fixing base 44, a connecting rod 45, a universal wheel 46, a belt pulley 47, a motor 5, a mounting box 6, an adjusting plate 7, a clamp 8, an upper cutting die 9, a lower die holder 10, an electric push rod 11, a fixing seat 12, a mounting frame 13, a material supporting plate 14 and a supporting seat 15.
Detailed Description
The following description of the embodiments of the present utility model 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 utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-3, the present embodiment provides a technical solution: a bending machine convenient to move comprises a workbench 1 and a moving mechanism 4;
Work table 1: the front side and the rear side of the lower end of the workbench 1 are respectively provided with a guide chute 3, the upper side of the front end of the workbench 1 is provided with a mounting box 6, an adjusting plate 7 is connected in a sliding manner in a mounting groove formed in the lower end of the mounting box 6, the left side and the right side of the front end of the adjusting plate 7 are respectively provided with a fixed seat 12, the lower end of the adjusting plate 7 is respectively provided with a clamp 8, the lower ends of the clamps 8 are respectively provided with an upper cutting die 9, the front side of the upper end of the workbench 1 is provided with a lower die holder 10, the left side and the right side of the front end of the workbench 1 are respectively provided with a mounting bracket 13, the upper end of the mounting bracket 13 is provided with a material supporting plate 14, during operation, materials to be bent are placed at the upper end of the lower die holder 10, then the adjusting equipment starts to operate under the control of the opening equipment, the telescopic end of the adjusting equipment extends, and the adjusting plate 8 is driven to move downwards through the fixed seat 12, and the upper cutting die 9 is driven to move downwards by the adjusting plate 8, and the upper cutting die 9 is used for bending the materials;
And a moving mechanism 4: the device is arranged in the guide chute 3, the moving mechanism 4 is positioned in a cavity formed on the right side of the inside of the workbench 1, the moving mechanism 4 comprises a mounting plate 42, an adjusting seat 43, a fixed base 44, a connecting rod 45 and a universal wheel 46, the adjusting seat 43 is in sliding connection with the inner wall of the guide chute 3, the mounting plate 42 is respectively and slidably connected with the lower side of the inside of the guide chute 3, the fixed bases 44 are respectively arranged on the left side and the right side of the upper end of the mounting plate 42, the connecting rod 45 is respectively and rotatably connected with the connecting groove formed on the upper end of the fixed base 44 through a pin shaft, the upper end of the connecting rod 45 is respectively and rotatably connected with the lower end of the vertically adjacent adjusting seat 43 through a pin shaft, the universal wheel 46 is respectively arranged on the left side and the right side of the lower end of the mounting plate 42, the moving mechanism 4 further comprises a bidirectional screw 41 and a belt pulley 47, the bidirectional screw 41 is respectively and rotatably connected with the upper side of the inside of the guide chute 3 through a bearing, the adjusting seat 43 is respectively connected with the left side and the right side of the outer cambered surface of the bidirectional screw 41 through screw holes arranged at the right end, the belt pulleys 47 are respectively arranged at the right side of the outer cambered surface of the bidirectional screw 41, the two belt pulleys 47 are connected through belt transmission, the belt pulleys 47 are all positioned in a cavity arranged at the right side inside the workbench 1, before use, the driving equipment starts to operate through the regulation and control of the control equipment, the output shaft of the driving equipment drives the bidirectional screw 41 at the rear side to rotate, the bidirectional screw 41 at the rear side drives the belt pulley 47 at the rear side to rotate, the belt pulley 47 at the rear side drives the belt pulley 47 at the front side to rotate through the belt, and then drives the two bidirectional screws 41 to rotate, the bidirectional screw 41 drives the adjusting seat 43 to move through screw connection in the process of rotating the bidirectional screw 41, and the distance between the two laterally adjacent adjusting seats 43 is gradually increased at the moment, the adjusting seat 43 is in the in-process of removing through connecting rod 45 gives unable adjustment base 44 a downward thrust to make unable adjustment base 44 drive universal wheel 46 and stretch out downwards, when universal wheel 46 and ground contact, connecting rod 45 jack-up the bender through universal wheel 46, make supporting seat 15 and ground separation, promote workstation 1 this moment, the bender that will be convenient for remove removes appointed place of working, through the cooperation setting of adjusting seat 43 and unable adjustment base 44, can adjust the position of universal wheel 47 according to actual conditions, and a simple structure, this whole process only needs a motor 5 just can accomplish, easy operation, and relative cost is lower, has improved the flexibility of bender.
Wherein: the automatic control device further comprises a control switch group 2, wherein the control switch group 2 is arranged at the right end of the workbench 1, and the input end of the control switch group 2 is electrically connected with an external power supply, so that electric elements inside the device can be regulated and controlled.
Wherein: the automatic adjusting device comprises a workbench 1, and is characterized by further comprising a motor 5, wherein the motor 5 is arranged at the right end of the workbench 1, the left end of an output shaft of the motor 5 is fixedly connected with the right end of a rear two-way screw 41, the input end of the motor 5 is electrically connected with the output end of a control switch group 2, before the automatic adjusting device is used, the motor 5 starts to operate through the regulation and control of the control switch group 2, the output shaft of the motor 5 drives the rear two-way screw 41 to rotate, the rear two-way screw 41 drives a rear belt pulley 47 to rotate, the rear belt pulley 47 drives a front belt pulley 47 to rotate through a belt, and then the two-way screws 41 are driven to rotate, in the process of the rotation of the two-way screw 41, the two-way screws 41 drive an adjusting seat 43 to move through threaded connection, at the moment, the distance between the two transversely adjacent adjusting seats 43 gradually increases, and the adjusting seat 43 drives a downward thrust to a fixed seat 44 through a connecting rod 45 in the process of moving, so that the fixed seat 44 drives a universal wheel 46 to extend downwards.
Wherein: still include electric putter 11, electric putter 11 sets up in the left and right sides of mounting box 6 roof, electric putter 11 telescopic end's lower extreme respectively with vertical adjacent fixing base 12's upper end fixed connection, electric putter 11's input all is connected with the output electricity of control switch group 2, through the regulation and control of control switch group 2, electric putter 11 begins the operation, electric putter 11's telescopic end extends, and then drives regulating plate 8 through fixing base 12 and move down, regulating plate 8 drives upward cutting die 9 and moves down, bend the work to the material through upward cutting die 9.
Wherein: still include supporting seat 15, supporting seat 15 sets up in the lower extreme of workstation 1, installs the butt joint with supporting seat 15 and corresponding station to realize the support fixed to workstation 1 and internal equipment.
The utility model provides a bending machine convenient to move, which has the following working principle: before use, through the regulation and control of the control switch group 2, the motor 5 starts to operate, the output shaft of the motor 5 drives the rear-side bidirectional screw 41 to rotate, the rear-side bidirectional screw 41 drives the rear-side belt pulley 47 to rotate, the rear-side belt pulley 47 drives the front-side belt pulley 47 to rotate through a belt, and then simultaneously drives the two bidirectional screws 41 to rotate, in the process of rotating the bidirectional screws 41, the bidirectional screws 41 drive the adjusting seats 43 to move through threaded connection, at the moment, the distance between the two transversely adjacent adjusting seats 43 is gradually increased, so that the adjusting seats 43 give a downward thrust to the fixed base 44 through the connecting rod 45 in the moving process, the fixed base 44 drives the universal wheels 46 to extend downwards, when the universal wheels 46 are contacted with the ground, the connecting rod 45 jacks up the bending machine through the universal wheels 46, the supporting seat 15 is separated from the ground, at this time, the workbench 1 is pushed, after a bending machine convenient to move is moved to a designated working place, through the regulation and control of the control switch group 2, the motor 5 starts to operate, the motor 5 drives the belt pulley 47 at the rear side to rotate reversely, thereby driving the adjusting seat 43 to reset through the bidirectional screw 41, the universal wheel 47 is retracted into the guide chute 3 again, finally the supporting seat 15 is in butt joint with the corresponding station installation, thereby realizing the supporting and fixing of the workbench 1 and the internal equipment, during working, the material needing to be bent is placed at the upper end of the lower die holder 10, then through the regulation and control of the control switch group 2, the electric push rod 11 starts to operate, the telescopic end of the electric push rod 11 extends, and then the adjusting plate 8 is driven to move downwards through the fixing seat 12, and the adjusting plate 8 drives the upper die 9 to move downwards, and the material is bent through the upper die 9.
It should be noted that, in the above embodiment, the motor 5 may be 5IK200A-AF, the electric putter 11 may be YRJ0905, and the control switch group 2 is provided with control buttons corresponding to the motor 5 and the electric putter 11 one by one for controlling the switches thereof.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.
Claims (7)
1. A bender convenient to remove, its characterized in that: comprises a workbench (1) and a moving mechanism (4);
Workbench (1): the front side and the rear side of the lower end of the workbench are respectively provided with a guide chute (3), the upper side of the front end of the workbench (1) is provided with a mounting box (6), the mounting grooves arranged at the lower end of the mounting box (6) are slidably connected with an adjusting plate (7), the left side and the right side of the front end of the adjusting plate (7) are respectively provided with a fixed seat (12), the lower end of the adjusting plate (7) is respectively provided with a clamp (8), the lower ends of the clamps (8) are respectively provided with an upper cutting die (9), the front side of the upper end of the workbench (1) is provided with a lower die holder (10), the left side and the right side of the front end of the workbench (1) are respectively provided with a mounting frame (13), and the upper ends of the mounting frames (13) are respectively provided with a material supporting plate (14);
Moving mechanism (4): the movable mechanism is arranged in the guide chute (3), and the movable mechanism (4) is positioned in a cavity formed in the right side of the inside of the workbench (1).
2. A portable bending machine according to claim 1, wherein: the automatic control device is characterized by further comprising a control switch group (2), wherein the control switch group (2) is arranged at the right end of the workbench (1), and the input end of the control switch group (2) is electrically connected with an external power supply.
3. A portable bending machine according to claim 2, wherein: the moving mechanism (4) comprises a mounting plate (42), an adjusting seat (43), a fixing base (44), a connecting rod (45) and universal wheels (46), wherein the adjusting seat (43) is in sliding connection with the inner wall of the guide chute (3), the mounting plate (42) is respectively in sliding connection with the lower side of the inside of the guide chute (3), the fixing base (44) is respectively arranged on the left side and the right side of the upper end of the mounting plate (42), the connecting rod (45) is respectively connected in the connecting groove arranged at the upper end of the fixing base (44) through pin shafts in a rotating manner, the upper ends of the connecting rod (45) are respectively connected with the lower ends of the vertically adjacent adjusting seats (43) through pin shafts in a rotating manner, and the universal wheels (46) are respectively arranged on the left side and the right side of the lower end of the mounting plate (42).
4. A portable bending machine according to claim 3, wherein: the moving mechanism (4) further comprises a bidirectional screw (41) and a belt pulley (47), the bidirectional screw (41) is rotationally connected to the upper side of the inside of the guide chute (3) through bearings, the adjusting seat (43) is respectively connected to the left side and the right side of the outer cambered surface of the bidirectional screw (41) through threaded holes formed in the right end, the belt pulley (47) is respectively arranged on the right side of the outer cambered surface of the bidirectional screw (41), the two belt pulleys (47) are connected through belt transmission, and the belt pulleys (47) are all located in a cavity formed in the right side of the inside of the workbench (1).
5. A portable bending machine according to claim 4, wherein: the automatic control device is characterized by further comprising a motor (5), wherein the motor (5) is arranged at the right end of the workbench (1), the left end of an output shaft of the motor (5) is fixedly connected with the right end of a bidirectional screw rod (41) at the rear side, and the input end of the motor (5) is electrically connected with the output end of the control switch group (2).
6. A portable bending machine according to claim 2, wherein: still include electric putter (11), electric putter (11) set up in the left and right sides of mounting box (6) roof, electric putter (11) the lower extreme of flexible end respectively with the upper end fixed connection of vertical adjacent fixing base (12), electric putter (11) input all is connected with the output electricity of control switch group (2).
7. A portable bending machine according to claim 1, wherein: the automatic feeding device also comprises a supporting seat (15), wherein the supporting seat (15) is arranged at the lower end of the workbench (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322934445.4U CN221258152U (en) | 2023-10-31 | 2023-10-31 | Bending machine convenient to move |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322934445.4U CN221258152U (en) | 2023-10-31 | 2023-10-31 | Bending machine convenient to move |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221258152U true CN221258152U (en) | 2024-07-02 |
Family
ID=91627909
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322934445.4U Active CN221258152U (en) | 2023-10-31 | 2023-10-31 | Bending machine convenient to move |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221258152U (en) |
-
2023
- 2023-10-31 CN CN202322934445.4U patent/CN221258152U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113118253B (en) | Part is bent with bender device that has depth of cut adjustment mechanism | |
| CN112872141A (en) | Industrial steel plate corner machining and bending equipment and working method | |
| CN220515183U (en) | Bending machine for power distribution cabinet production | |
| CN221258152U (en) | Bending machine convenient to move | |
| CN211437689U (en) | Feeding device for angle steel punching machine | |
| CN210851031U (en) | Calender that precision is high | |
| CN219151357U (en) | Mould positioner for automobile panel | |
| CN215785749U (en) | Be applied to steel wire straightening mechanism of steel wire drawing production line | |
| CN215467173U (en) | Shaping device for heated plate for plate processing | |
| CN113399522A (en) | Multilateral bender | |
| CN212070045U (en) | Round steel bending equipment | |
| CN113134527A (en) | Intelligent numerical control bending machine and bending processing method | |
| CN112536398A (en) | Extension pin of electronic components cuts flat equipment | |
| CN110935758A (en) | Novel two-way hem equipment of panel beating | |
| CN211491410U (en) | Supporting table for injection molding flange automatic production line | |
| CN218984805U (en) | Automatic feeding equipment for mechanical arm | |
| CN216461408U (en) | Cold heading machine material feeding unit that flare-outs convenient to multiple specification roller production usefulness | |
| CN221389223U (en) | But auto-feed's mechanical part processing frock | |
| CN215546412U (en) | Rotor worm fastening device | |
| CN216267750U (en) | Flange plate flattening machine | |
| CN214391805U (en) | Sheet lifting and bending forming device | |
| CN221210328U (en) | Be applied to electrical engineering's automatic weld machine | |
| CN220660862U (en) | Manipulator positioning device | |
| CN219403561U (en) | Automatic grinding device of cone surface | |
| CN220837530U (en) | Bending device for producing photovoltaic bracket fittings |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |