CN114749841B - Welding equipment and power distribution switchgear production line with same - Google Patents
Welding equipment and power distribution switchgear production line with same Download PDFInfo
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- CN114749841B CN114749841B CN202210576610.0A CN202210576610A CN114749841B CN 114749841 B CN114749841 B CN 114749841B CN 202210576610 A CN202210576610 A CN 202210576610A CN 114749841 B CN114749841 B CN 114749841B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K37/00—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups
Abstract
The application relates to the technical field of welding of power distribution switches, in particular to welding equipment and a power distribution switch equipment production line with the equipment, wherein the welding equipment comprises a welding assembly, a mounting assembly, a bottom plate, a side frame and a base, and has the beneficial effects that: through setting up the cooperation of installing frame and extrusion curb plate, realize the elasticity grafting installation of distribution switch, improved the efficiency of installation greatly, utilize the cooperation of bottom plate and stay cord of lift simultaneously, at the in-process of transversely advancing processing, reach the traction to the stay cord for the stay cord is connected the extrusion curb plate and is reached and pull fixed purpose, makes the work piece realize rigid connection in the installation, satisfies welding process needs. And meanwhile, the welding process and the assembly line are mutually matched by utilizing the matching of the bottom plate and the conveyor belt.
Description
Technical Field
The application relates to the technical field of welding of distribution switches, in particular to welding equipment and a distribution switch equipment production line with the equipment.
Background
The distribution switch is a device for controlling the circuit main switch, and in the production process of the distribution switch, the connection of electrical components is realized through high-precision welding.
In the prior art, the distribution switch is mostly processed in a flow line production mode, and the purpose of improving the processing efficiency is achieved by realizing flow line transportation through a conveying belt.
However, in actual production process, need install distribution switch, then place the device on the conveyer belt again, when distribution switch rigid mounting on the transportation frame, its installation and dismantlement need extravagant a large amount of time, seriously influence machining efficiency, cause distribution switch outer wall damage simultaneously easily, when elastic mounting, it appears rocking easily in welding process, and then can't satisfy high accuracy welded purpose.
Disclosure of Invention
The application aims to provide welding equipment and a power distribution switch equipment production line with the same, so as to solve the problems of transportation, installation and welding precision of a power distribution switch.
In order to achieve the above purpose, the present application provides the following technical solutions:
a welding apparatus, the welding apparatus comprising:
the welding assembly is positioned at one side of the assembly line conveyor belt, two sides of the welding assembly are respectively provided with an auxiliary material frame and a feeding frame, the feeding frame is connected with the conveyor belt through a guide rail, and the inner side wall of the feeding frame is provided with a stop block;
the mounting assembly comprises a mounting frame and an extrusion side plate, the mounting frame and the extrusion side plate are both mounted on a conveying belt, the conveying belt and the assembly line are in gap distribution, the length of the conveying belt is longer than that of the extrusion side plate, the side walls at the two ends of the conveying belt are opposite to the stop blocks, the front end and the rear end of the extrusion side plate are provided with extension rods penetrating and spliced on the side walls of the mounting frame, and the outer side end parts of the extension rods are provided with positioning end blocks;
the bottom plate is positioned at the lower end of the conveyor belt, one side of the bottom plate is provided with an adjusting block, the upper end and the lower end of the adjusting block are in sliding connection with a pair of sliding rods, a connecting sleeve disc at the other end of the sliding rods is sleeved with a third spring, the side wall of the sleeve disc is transversely connected with a driving push rod, the other end of the sleeve disc is provided with a pressing rod, and the pressing rod is connected with the positioning end block through a pull rope;
the lifting column propped against the lower end face of the bottom plate is arranged in the middle of the upper end of the base, and one end of the driving push rod is transversely fixed on the side wall of the base;
the side frame is fixed on the adjusting block, a telescopic rod extending to the positioning end block is arranged on the side frame, and the telescopic rod is connected with the positioning end block in a matched and spliced mode to achieve the lifting rod.
Preferably, the outer wall of one side of the adjusting block, which is close to the sleeve disc, is transversely provided with a transverse insertion hole, an opening groove is formed in the middle of the upper end of the adjusting block in a penetrating mode, a partition plate is vertically arranged in the middle of the opening groove, the other end of the transverse insertion hole penetrates through the partition plate, a limit T rod is inserted in the transverse insertion hole in a sliding mode, and the transverse plate of the limit T rod is slidably installed in the opening groove.
Preferably, one end of the limit T rod is provided with a pressing plate in threaded rotation installation, the pressing plate is opposite to the pressing rod, a gap is reserved between the pressing plate and the pressing rod, the other end of the limit T rod is provided with a guide inserted rod, the guide inserted rod penetrates through the partition plate in a sliding mode, a first spring is sleeved on the guide inserted rod, and the first spring is pressed between the partition plate and the limit T rod.
Preferably, the lower extreme of bottom plate is provided with the draw runner, and the bottom plate is located between base and the guide rail, the upper end of guide rail is provided with the spout, the draw runner slides and pegs graft in the spout.
Preferably, a pair of limit side bars which are vertically symmetrical are arranged on the arc outer wall of the extension rod, the extension rod and the limit side bars penetrate through the side wall of the mounting frame in a sliding mode, a second spring is sleeved at the end portion of the extension rod, and the second spring is pressed between the side wall of the mounting frame and the positioning end block.
Preferably, a pair of guide wheels are arranged on the outer walls of the front side and the rear side of the adjusting block, a through hole is arranged on the circular arc outer wall of the pressing rod, one end of the pulling rope is fixed on the positioning end block, the other end of the pulling rope is fixed on the positioning end block which penetrates through the pressing rod along the through hole and is connected with the other side, and the middle section of the pulling rope smoothly extends to the pressing rod along the guide wheels.
Preferably, the sleeve plate is provided with a through hole, the adjusting block is provided with a pair of T-shaped grooves which are vertically symmetrical, one end of the sliding rod is inserted into the T-shaped grooves in a sliding mode, the other end of the sliding rod penetrates through the through hole to be inserted into the sleeve plate, and two ends of the third spring are pressed on lateral end faces of the sleeve plate and the adjusting block.
Preferably, the processing workpiece is placed in the mounting frame, the extrusion side plate is attached to the side wall of the processing workpiece, a pair of positioning inserting rods which are symmetrical front and back are arranged on the extrusion side plate, and the positioning inserting rods are inserted on the end face of the mounting frame in a sliding mode.
A power distribution switchgear production line comprises the welding equipment.
Compared with the prior art, the application has the beneficial effects that:
according to the application, the elastic plug-in installation of the power distribution switch is realized by arranging the installation frame to be matched with the extrusion side plate, so that the installation efficiency is greatly improved, meanwhile, the traction of the pull rope is achieved in the transverse pushing processing process by utilizing the matching of the lifting bottom plate and the pull rope, the pull rope is connected with the extrusion side plate and achieves the purpose of traction and fixation, the rigid connection of workpieces is realized in the installation process, and the welding processing requirement is met. And meanwhile, the welding process and the assembly line are mutually matched by utilizing the matching of the bottom plate and the conveyor belt.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a side view of a three-dimensional structure of the present application;
FIG. 3 is a schematic perspective view of a base plate according to the present application;
FIG. 4 is a schematic view of an extrusion side plate structure according to the present application;
FIG. 5 is a schematic view of a limit T-bar structure according to the present application;
FIG. 6 is a top view of the welding process of the present application;
fig. 7 is a schematic view of a mounting structure of a tray according to the present application.
In the figure: 1. welding the assembly; 2. an auxiliary material rack; 3. a feeding frame; 4. a chute; 5. a stop block; 6. a guide rail; 7. a conveyor belt; 8. extruding the side plates; 9. a bottom plate; 10. positioning the inserted link; 11. a mounting frame; 12. an adjusting block; 13. a base; 14. driving the push rod; 15. a limit T rod; 16. a pull rope; 17. a telescopic rod; 18. a sleeve disk; 19. positioning an end block; 20. a compression bar; 21. a through hole; 22. a through hole; 23. a pressing plate; 24. a first spring; 25. a guide insert rod; 26. an extension rod; 27. limiting side bars; 28. a lifting rod; 29. a transverse jack; 30. an open slot; 31. a partition plate; 32. a side frame; 33. lifting columns; 34. a T-shaped groove; 35. a second spring; 36. a slide bar; 37. a third spring; 38. a guide wheel; 39. a slide bar.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Referring to fig. 1 to 7, the present application provides a technical solution:
example 1:
a welding apparatus includes a welding assembly 1, a mounting assembly, a base plate 9, a side frame 32, and a base 13.
Welding assembly 1 is located one side of assembly line conveyer belt 7, welding assembly 1's both sides are provided with auxiliary material frame 2 and feeding frame 3 respectively, feeding frame 3 passes through guide rail 6 and connects conveyer belt 7, conveyer belt 7 and assembly line clearance distribution, through setting up clearance distribution's conveyer belt 7, thereby make conveyer belt 7 in the horizontal propulsion in-process, realize horizontal slip, make the position of conveyer belt 7 and welding equipment mutually support, reset along with the motion, make conveyer belt 7 be connected with the assembly line transportation frame again, thereby make welding process and assembly line transportation adaptation, the efficiency of processing has been improved greatly.
The installation component includes installing frame 11 and extrusion curb plate 8, installing frame 11 and extrusion curb plate 8 are all installed on conveyer belt 7, both ends are provided with the extension rod 26 that runs through the grafting at installing frame 11 lateral wall around the extrusion curb plate 8, the outside tip of extension rod 26 is provided with location end block 19, place the processing work piece in the installing frame 11, extrusion curb plate 8 laminating is at the lateral wall of processing work piece, a pair of location inserted bar 10 of fore-and-aft symmetry is provided with on the extrusion curb plate 8, location inserted bar 10 slip grafting is on the terminal surface of installing frame 11, through the cooperation of installing frame 11 and extrusion curb plate 8, realize the elastic installation of work piece.
The length of the conveyor belt 7 is greater than that of the extrusion side plates 8, the side walls at the two ends of the conveyor belt 7 are opposite to the stop blocks 5, the stop blocks 5 are arranged on the inner side walls of the feeding frame 3, and the transverse pushing position is limited by extrusion of the stop blocks 5 and the conveyor belt 7, so that the purpose of fixing the welding position is achieved, and the welding position accuracy is further improved.
The bottom plate 9 is located the lower extreme of conveyer belt 7, and the upper end centre of base 13 is provided with the lift post 33 that supports in the lower terminal surface of bottom plate 9, and the one end of drive push rod 14 transversely is fixed on the lateral wall of base 13, drives bottom plate 9 up-and-down motion through lift post 33.
One side of the bottom plate 9 is provided with an adjusting block 12, the upper end and the lower end of the adjusting block 12 are slidably connected with a pair of sliding rods 36, the other end of the sliding rods 36 is connected with a sleeve disc 18, a third spring 37 is sleeved on the sliding rods 36, the side wall of the sleeve disc 18 is transversely connected with a driving push rod 14, the other end of the sleeve disc 18 is provided with a pressing rod 20, the pressing rod 20 is connected with a positioning end block 19 through a pull rope 16, a side frame 32 is fixed on the adjusting block 12, a telescopic rod 17 extending to the positioning end block 19 is arranged on the side frame 32, and the telescopic rod 17 is matched with the positioning end block 19 to be connected with a lifting rod 28 in a plugging mode.
The lifting rod 28 is inserted into the positioning end block 19 to realize connection of the adjusting block 12 and the extrusion side plate 8, so that under the action of the driving push rod 14, a workpiece which is elastically installed is transported to welding equipment, when the stop block 5 is extruded with the conveyor belt 7, the sleeve disk 18 is pressed by the third spring 37 along with continuous pushing of the driving push rod 14, the pressing rod 20 is driven to slide towards the inner side of the adjusting block 12, the extending rod 26 is pulled to slide towards the outer side through the pull rope 16, the extrusion side plate 8 is tightly pressed on the workpiece, and rigid installation of the workpiece is realized, so that the precision requirement of welding processing is met.
Example 2:
on the basis of embodiment 1, in order to limit the pushing distance of the driving push rod 14 to the compression rod 20, the application further comprises a transverse insertion hole 29 transversely arranged on the outer wall of one side, close to the sleeve disk 18, of the adjusting block 12, an opening groove 30 is formed in the middle of the upper end of the adjusting block 12 in a penetrating mode, a partition plate 31 is vertically arranged in the middle of the opening groove 30, the other end of the transverse insertion hole 29 penetrates through the partition plate 31, a limit T rod 15 is slidably inserted in the transverse insertion hole 29, the transverse plate of the limit T rod 15 is slidably arranged in the opening groove 30, one end of the limit T rod 15 is provided with a pressing plate 23 in threaded rotation installation, the pressing plate 23 faces the compression rod 20, a gap is reserved between the pressing plate 23 and the compression rod 20, the other end of the limit T rod 15 is provided with a guide inserting rod 25, the guide inserting rod 25 penetrates through the partition plate 31 in a sliding mode, a first spring 24 is sleeved on the guide inserting rod 25, and the first spring 24 is pressed between the partition plate 31 and the limit T rod 15.
The pushing distance of the limit T-bar 15 is limited through the first spring 24, so that the pushing length of the compression bar 20 is limited, and the pulling rope 16 is prevented from being stretched due to overlarge pushing.
Example 3:
on the basis of the embodiment 1, in order to realize the limit sliding of the bottom plate 9, the application also has a sliding bar 39 arranged at the lower end of the bottom plate 9, the bottom plate 9 is positioned between the base 13 and the guide rail 6, the upper end of the guide rail 6 is provided with a sliding groove 4, and the sliding bar 39 is in sliding connection with the sliding groove 4.
The lifting column 33 drives the bottom plate 9 to lift, so that the sliding strip 39 is inserted into the sliding groove 4, thereby limiting the transverse sliding position of the bottom plate 9 and avoiding the deflection of the bottom plate 9.
Example 4:
on the basis of embodiment 1, in order to adapt to the elastic installation of the power distribution switches with different sizes, the application is also provided with a pair of limit side bars 27 which are vertically symmetrical on the arc outer wall of the extension bar 26, the extension bar 26 and the limit side bars 27 slide to penetrate through the side wall of the installation frame 11, the end part of the extension bar 26 is sheathed with a second spring 35, and the second spring 35 is pressed between the side wall of the installation frame 11 and the positioning end block 19.
The elastic installation of the extrusion side plate 8 and the installation frame 11 is realized by arranging the second spring 35, so that the adaptation to the distribution switches with different sizes is realized by the compression of the second spring 35.
Example 5:
on the basis of embodiment 1, in order to enable the adjusting block 12 to keep being connected with the slide bar 36 when the lifting column 33 is driven to lift, the application also has a pair of guide wheels 38 arranged on the outer walls of the front side and the rear side of the adjusting block 12, a through hole 22 is arranged on the circular arc outer wall of the pressure bar 20, one end of the pull rope 16 is fixed on the positioning end block 19, the other end of the pull rope 16 is fixed on the positioning end block 19 which passes through the pressure bar 20 along the through hole 22 and is connected with the other side, the middle section of the pull rope 16 smoothly extends to the pressure bar 20 along the guide wheels 38, a through hole 21 is arranged on the sleeve disc 18, a pair of T-shaped grooves 34 which are symmetrical up and down are arranged on the adjusting block 12, one end of the slide bar 36 is slidingly inserted on the T-shaped groove 34, the other end of the slide bar 36 is inserted on the sleeve disc 18 through the through hole 21, and two ends of the third spring 37 are pressed on the lateral end faces of the sleeve disc 18 and the adjusting block 12.
By providing a mating engagement of the T-shaped slot 34 and the slide bar 36, a sliding mounting of the end of the slide bar 36 is achieved, and during driving of the lifting column 33, a lifting movement is adapted by sliding of the slide bar 36 in the T-shaped slot 34, so that a connection with the adjusting block 12 is maintained.
A power distribution switchgear production line comprises the welding equipment.
Although embodiments of the present application have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the application, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A welding apparatus, characterized in that: the welding apparatus includes:
the welding assembly (1), the welding assembly (1) is located one side of the assembly line conveyer belt (7), auxiliary material frames (2) and feeding frames (3) are respectively arranged on two sides of the welding assembly (1), the feeding frames (3) are connected with the conveyer belt (7) through guide rails (6), and stop blocks (5) are arranged on the inner side walls of the feeding frames (3);
the installation assembly comprises an installation frame (11) and an extrusion side plate (8), wherein the installation frame (11) and the extrusion side plate (8) are both installed on a conveying belt (7), the conveying belt (7) and a production line are in clearance distribution, the length of the conveying belt (7) is greater than that of the extrusion side plate (8), the side walls at the two ends of the conveying belt (7) are opposite to the stop blocks (5), the front end and the rear end of the extrusion side plate (8) are provided with extension rods (26) penetrating through the side walls of the installation frame (11), and the outer side ends of the extension rods (26) are provided with positioning end blocks (19);
the device comprises a bottom plate (9), wherein the bottom plate (9) is positioned at the lower end of a conveyor belt (7), one side of the bottom plate (9) is provided with an adjusting block (12), the upper end and the lower end of the adjusting block (12) are slidably inserted with a pair of sliding rods (36), the other ends of the sliding rods (36) are connected with a sleeve disc (18), a third spring (37) is sleeved on the sliding rods (36), the side wall of the sleeve disc (18) is transversely connected with a driving push rod (14), the other end of the sleeve disc (18) is provided with a pressing rod (20), and the pressing rod (20) is connected with a positioning end block (19) through a pull rope (16);
the lifting column (33) propped against the lower end face of the bottom plate (9) is arranged in the middle of the upper end of the base (13), and one end of the driving push rod (14) is transversely fixed on the side wall of the base (13);
the side frame (32), side frame (32) are fixed on regulating block (12), are provided with telescopic link (17) that extend to on location end block (19) on side frame (32), be provided with on telescopic link (17) and peg graft with location end block (19) cooperation and reach lifter (28).
2. A welding apparatus as defined in claim 1, wherein: the adjusting block (12) is close to one side outer wall of the sleeve disc (18) and transversely provided with a transverse insertion hole (29), an open slot (30) is formed in the middle of the upper end of the adjusting block (12), a partition plate (31) is vertically arranged in the middle of the open slot (30), the other end of the transverse insertion hole (29) penetrates through the partition plate (31), a limit T rod (15) is inserted in the transverse insertion hole (29) in a sliding mode, and the transverse plate of the limit T rod (15) is slidably mounted in the open slot (30).
3. A welding apparatus as defined in claim 2, wherein: one end of the limit T rod (15) is provided with a pressing plate (23) installed in a threaded rotation mode, the pressing plate (23) is opposite to the pressing rod (20), a gap is reserved between the pressing plate (23) and the pressing rod (20), the other end of the limit T rod (15) is provided with a guide inserting rod (25), the guide inserting rod (25) penetrates through the partition plate (31) in a sliding mode, a first spring (24) is sleeved on the guide inserting rod (25), and the first spring (24) is pressed between the partition plate (31) and the limit T rod (15).
4. A welding apparatus as defined in claim 1, wherein: the lower extreme of bottom plate (9) is provided with draw runner (39), and bottom plate (9) are located between base (13) and guide rail (6), the upper end of guide rail (6) is provided with spout (4), draw runner (39) slip grafting is in spout (4).
5. A welding apparatus as defined in claim 1, wherein: the arc outer wall of extension rod (26) is provided with a pair of spacing side bar (27) of upper and lower symmetry, and the lateral wall of installation frame (11) is run through in the slip of extension rod (26) and spacing side bar (27), and the tip of extension rod (26) has cup jointed second spring (35), second spring (35) pressfitting is between installation frame (11) lateral wall and location end block (19).
6. A welding apparatus as defined in claim 5, wherein: the outer walls of the front side and the rear side of the adjusting block (12) are provided with a pair of guide wheels (38), the circular arc outer wall of the pressure bar (20) is provided with a through hole (22), one end of the pull rope (16) is fixed on the positioning end block (19), the other end of the pull rope (16) is fixed on the positioning end block (19) which penetrates through the pressure bar (20) along the through hole (22) and is connected with the other side, and the middle section of the pull rope (16) smoothly extends to the pressure bar (20) along the guide wheels (38).
7. A welding apparatus as defined in claim 6, wherein: the sleeve disc (18) is provided with a through hole (21), the adjusting block (12) is provided with a pair of T-shaped grooves (34) which are vertically symmetrical, one end of the sliding rod (36) is connected to the T-shaped grooves (34) in a sliding mode, the other end of the sliding rod (36) penetrates through the through hole (21) to be connected to the sleeve disc (18) in a plugging mode, and two ends of the third spring (37) are pressed onto lateral end faces of the sleeve disc (18) and the adjusting block (12) in a pressing mode.
8. A welding apparatus as defined in claim 1, wherein: the novel automatic positioning device is characterized in that a processing workpiece is placed in the mounting frame (11), the extrusion side plates (8) are attached to the side walls of the processing workpiece, a pair of positioning inserting rods (10) which are symmetrical front and back are arranged on the extrusion side plates (8), and the positioning inserting rods (10) are in sliding insertion connection with the end faces of the mounting frame (11).
9. A distribution switchgear production line, its characterized in that: comprising a welding device according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576610.0A CN114749841B (en) | 2022-05-25 | 2022-05-25 | Welding equipment and power distribution switchgear production line with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210576610.0A CN114749841B (en) | 2022-05-25 | 2022-05-25 | Welding equipment and power distribution switchgear production line with same |
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| Publication Number | Publication Date |
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| CN114749841A CN114749841A (en) | 2022-07-15 |
| CN114749841B true CN114749841B (en) | 2023-08-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210576610.0A Active CN114749841B (en) | 2022-05-25 | 2022-05-25 | Welding equipment and power distribution switchgear production line with same |
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| CN107745220A (en) * | 2017-10-17 | 2018-03-02 | 广东骏驰科技股份有限公司 | A kind of rotating device for auto parts and components positioning welding |
| CN108213779A (en) * | 2017-04-07 | 2018-06-29 | 杭州新罗美电子科技有限公司 | A kind of modified welder |
| CN215469309U (en) * | 2021-08-09 | 2022-01-11 | 盐城大丰爱特克金属制品有限公司 | Metal welding fixing and clamping device |
| CN113953552A (en) * | 2021-10-09 | 2022-01-21 | 张梦寐 | New material production and processing equipment with correcting mechanism and implementation method thereof |
| CN114260618A (en) * | 2021-12-06 | 2022-04-01 | 中建八局第一建设有限公司 | Safety electromagnetic ignition device and implementation method |
| CN216298434U (en) * | 2021-08-09 | 2022-04-15 | 盐城大丰爱特克金属制品有限公司 | Welding displacement equipment |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108620783B (en) * | 2018-05-16 | 2019-07-12 | 永康市钜风科技有限公司 | A kind of welding equipment for bridge |
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2022
- 2022-05-25 CN CN202210576610.0A patent/CN114749841B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108213779A (en) * | 2017-04-07 | 2018-06-29 | 杭州新罗美电子科技有限公司 | A kind of modified welder |
| CN107745220A (en) * | 2017-10-17 | 2018-03-02 | 广东骏驰科技股份有限公司 | A kind of rotating device for auto parts and components positioning welding |
| CN215469309U (en) * | 2021-08-09 | 2022-01-11 | 盐城大丰爱特克金属制品有限公司 | Metal welding fixing and clamping device |
| CN216298434U (en) * | 2021-08-09 | 2022-04-15 | 盐城大丰爱特克金属制品有限公司 | Welding displacement equipment |
| CN113953552A (en) * | 2021-10-09 | 2022-01-21 | 张梦寐 | New material production and processing equipment with correcting mechanism and implementation method thereof |
| CN114260618A (en) * | 2021-12-06 | 2022-04-01 | 中建八局第一建设有限公司 | Safety electromagnetic ignition device and implementation method |
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| CN114749841A (en) | 2022-07-15 |
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