CN113618322B - Power adapter produces welding set - Google Patents
Power adapter produces welding set Download PDFInfo
- Publication number
- CN113618322B CN113618322B CN202111184152.8A CN202111184152A CN113618322B CN 113618322 B CN113618322 B CN 113618322B CN 202111184152 A CN202111184152 A CN 202111184152A CN 113618322 B CN113618322 B CN 113618322B
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- power adapter
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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
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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
- B23K37/04—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work
- B23K37/047—Auxiliary devices or processes, not specially adapted to a procedure covered by only one of the preceding main groups for holding or positioning work moving work to adjust its position between soldering, welding or cutting steps
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- Butt Welding And Welding Of Specific Article (AREA)
Abstract
The invention is suitable for the technical field of production welding, and provides a power adapter production welding device, which comprises: the power adapter comprises a main case, a power adapter and a power supply, wherein a support assembly is arranged on the main case; the operation box is arranged in the main case, and a fastening assembly is arranged on the operation box; a welding assembly mounted on the fastening assembly; and the position conversion assembly is arranged inside the operation box. When this power adapter production welding set used, place power adapter on supporting component earlier to extrude fixedly to it, come height-adjusting according to power adapter's specification afterwards, make fastening component can extrude power adapter, will need welded apron to compress tightly, then start position transform subassembly and welding subassembly, welding subassembly can carry out welding operation to power adapter, and position transform subassembly then can drive welding subassembly and remove.
Description
Technical Field
The invention belongs to the technical field of production welding, and particularly relates to a power adapter production welding device.
Background
The Power adapter (Power adapter) is a Power supply conversion device for small portable electronic equipment and electronic appliances, generally comprises components such as a shell, a transformer, an inductor, a capacitor, a control IC (integrated circuit), a PCB (printed circuit board) and the like, and the working principle of the Power adapter is that alternating current input is converted into direct current output; according to the connection mode, the device can be divided into a wall-inserting type and a desktop type. The intelligent anti-theft device is widely matched with security cameras, set top boxes, routers, light bars, massage instruments and other devices.
At present, the power adapter is subjected to welding, manual operation is mostly adopted, time and labor are wasted, the welding position is difficult to automatically adjust by machine welding, the welding head is controlled to move manually, and the automation degree is low.
Disclosure of Invention
The embodiment of the invention aims to provide a power adapter production welding device, and aims to solve the problems that manual operation is mostly adopted in the process of welding a power adapter at present, time and labor are wasted, the welding position is difficult to automatically adjust by machine welding, a welding head is controlled to move manually, and the automation degree is low.
The embodiment of the invention is realized in such a way that the power adapter production welding device comprises:
the power adapter comprises a main case, a support assembly is arranged on the main case, the power adapter is arranged on the support assembly, and the support assembly is used for fixing and adjusting the position of the power adapter;
the operation box is arranged in the main case, and a fastening assembly is arranged on the operation box and used for extruding and fixing the power adapter;
the welding assembly is arranged on the operation box and used for performing welding treatment on the power adapter;
the position conversion assembly is arranged in the operation box and is used for driving the welding assembly to carry out automatic mobile welding on the power adapter;
preferably, the support assembly comprises:
the supporting plate is arranged inside the mainframe box, and an adjusting groove is formed in the supporting plate;
the sliding rod is arranged inside the adjusting groove, a threaded rod is installed at one end of the sliding rod, and a baffle is installed at the other end of the sliding rod;
the fastening nut is arranged on the threaded rod and matched with the baffle plate, and the fastening assembly is arranged between the fastening nuts;
the connecting plate is arranged between the threaded rods, and a sliding groove is formed in the connecting plate;
the sliding plate is arranged in the sliding groove in a sliding mode, and a rotating button is connected to the sliding plate in a threaded mode;
and the L-shaped clamping plate is arranged at one end of the sliding plate, and the L-shaped clamping plate is matched with the power adapter.
Preferably, the outer diameter of the rotation knob is greater than the height of the sliding groove.
Preferably, the fastening assembly comprises:
the control block is arranged on the operation box, a pressure rod is arranged on the control block, and the pressure rod is matched with the power adapter;
the indent, set up in on the control block, the indent inside is equipped with the spring, spring one end is connected with the slide bar, press the pressing plate is installed to slide bar one end.
Preferably, the length of the spring when naturally compressed is not less than one half of the depth of the indent.
Preferably, the position conversion assembly includes:
the driving motor is installed inside the operation box, the output end of the driving motor is connected with a disc, one side of the disc is provided with a helical gear section, the disc is provided with gear sections, and the distance between the gear sections is equal to the length of the helical gear section;
the first rotating rod is arranged in the operating box, a first bevel gear and a second bevel gear are symmetrically arranged on the first rotating rod, and the first bevel gear and the second bevel gear are matched with the bevel gear sections;
the lifting switching assembly is arranged on the operation box and used for driving the welding assembly to switch the welding position;
and the moving assembly is arranged on the operation box and used for driving the welding assembly to carry out movable welding.
Preferably, the up-down switching assembly includes:
the first threaded rod is rotatably connected to one side of the operation box, a first threaded block is arranged on the first threaded rod in a matched mode, and a V-shaped groove plate is arranged on one side of the first threaded block;
the first rotating disc is arranged on the first rotating rod, and a first transmission belt is arranged between the first threaded rod and the first rotating disc;
the control panel is installed control box one side, first U type guide way has been seted up on the control panel, the inside first guide block that is equipped with of first U type guide way, install the guide bar on the first guide block, the guide bar is located inside the V type frid.
Preferably, the moving assembly comprises:
the first gear is rotatably arranged in the operation box and is matched with the gear section, a second rotary table is mounted on the side part of the first gear, and a first connecting rod is rotatably connected onto the second rotary table;
the second connecting rod is rotatably connected to one end of the first connecting rod, a third rotary table is arranged at the joint of the first connecting rod and the second connecting rod, a fourth rotary table is rotatably connected to one end of the second connecting rod, and second conveying belts are arranged between the second rotary table and the third rotary table and between the third rotary table and the fourth rotary table;
the operating plate is mounted on the operating box, a second U-shaped guide groove is formed in the operating plate, a second guide block is arranged in the second U-shaped guide groove, a second threaded rod is connected to the second guide block in a rotating mode, and the fourth rotary table is mounted on the second threaded rod;
and the second thread block is arranged on the second threaded rod, and two sides of the second thread block are respectively connected with the guide rod and the welding assembly.
The power adapter production welding device provided by the embodiment of the invention has the following beneficial effects:
when this power adapter production welding set used, place power adapter on supporting component earlier, and extrude fixedly to it, come height-adjusting according to power adapter's specification afterwards, make fastening component can extrude power adapter, will need welded apron to compress tightly, then start position transform subassembly and welding subassembly, welding subassembly can carry out welding operation to power adapter, and position transform subassembly then can drive welding subassembly and remove, automatic switch to the opposite side carries out welding operation after unilateral welding accomplishes.
Drawings
FIG. 1 is a schematic structural diagram of a welding apparatus for producing power adapter according to an embodiment of the present invention;
FIG. 2 is a partial side view of a power adapter production welding apparatus according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is an enlarged view of a portion of FIG. 1 at B;
FIG. 5 is an enlarged view of a portion of FIG. 1 at C;
FIG. 6 is an enlarged view of a portion of FIG. 1 at D;
FIG. 7 is an enlarged view of a portion E of FIG. 1;
FIG. 8 is an enlarged view of a portion of FIG. 2 at F;
fig. 9 is a partial enlarged view at G in fig. 2.
In the drawings: 1-a main chassis; 2-a support assembly; 21-a support plate; 22-an adjustment groove; 23-a slide bar; 24-a threaded rod; 25-a baffle plate; 26-a fastening nut; 27-a connecting plate; 28-a sliding groove; 29-a sliding plate; 210-a rotation knob; 211-L card; 4-operating box; 5-a fastening component; 51-a control block; 52-a pressure bar; 53-pressing the groove; 54-a spring; 55-a slide bar; 56-pressing plate; 6-welding the assembly; 7-a position changing assembly; 71-a drive motor; 72-disc; 73-helical gear section; 74-a gear segment; 75-a first rotating bar; 76-a first bevel gear; 77-second bevel gear; 78-a first threaded rod; 79-first threaded block; 710-V-shaped groove plates; 711-a first carousel; 712-a first conveyor belt; 713-control panel; 714-first U-shaped guide groove; 715-a first guide block; 716-a guide rod; 717-first gear; 718-a second carousel; 719-first link; 720-a second link; 721-a third carousel; 722-a fourth carousel; 723-a second conveyor; 724-operating panel; 725-a second U-shaped guide groove; 726 — a second guide block; 727-second threaded rod; 728-second threaded block.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, in an embodiment of the present invention, the power adapter production welding apparatus includes:
the power adapter comprises a main case 1, wherein a support assembly 2 is installed on the main case 1, the power adapter is arranged on the support assembly 2, and the support assembly 2 is used for fixing and adjusting the position of the power adapter;
the operation box 4 is installed inside the main case 1, and a fastening assembly 5 is installed on the operation box 4 and used for extruding and fixing the power adapter;
the welding assembly 6 is arranged on the operation box 4 and is used for performing welding treatment on the power adapter;
and the position conversion assembly 7 is arranged inside the operation box 4, and the position conversion assembly 7 is used for driving the welding assembly 6 to perform automatic movable welding on the power adapter.
When this power adapter production welding set used, place power adapter on supporting component 2 earlier, and extrude fixedly to it, adjust the height according to power adapter's specification afterwards, make fastening component 5 can extrude power adapter, will need welded apron to compress tightly, then start position transform subassembly 7 and welding subassembly 6, welding subassembly 6 can carry out welding operation to power adapter, and position transform subassembly 7 then can drive welding subassembly 6 and remove, automatic switch to the opposite side carries out welding operation after unilateral welding accomplishes.
As shown in fig. 1, 3 and 4, in the embodiment of the present invention, the support assembly 2 includes:
the supporting plate 21 is installed inside the main case 1, and an adjusting groove 22 is formed in the supporting plate 21;
the sliding rod 23 is arranged in the adjusting groove 22, a threaded rod 24 is installed at one end of the sliding rod 23, and a baffle 25 is installed at the other end of the sliding rod 23;
the fastening nut 26 is arranged on the threaded rod 24, the fastening nut 26 is matched with the baffle plate 25, and the fastening assembly 5 is arranged between the fastening nuts 26;
the connecting plate 27 is arranged between the threaded rods 24, and a sliding groove 28 is formed in the connecting plate 27;
a sliding plate 29 slidably disposed in the sliding groove 28, wherein a rotating knob 210 is screwed to the sliding plate 29;
and the L-shaped clamping plate 211 is arranged at one end of the sliding plate 29, and the L-shaped clamping plate 211 is matched with the power adapter.
When the power adapter is used, the power adapter is placed on the L-shaped clamping plate 211, then the position of the sliding plate 29 is adjusted, the power adapter is clamped and fixed by the L-shaped clamping plate 211, then the position of the sliding plate 29 is fixed by controlling the rotating knob 210, then the height of the power adapter is adjusted by adjusting the position of the sliding rod 23, and the height is fixed by controlling the fastening nut 26.
In the embodiment of the present invention, the outer diameter of the rotation knob 210 is larger than the height of the sliding groove 28.
As shown in fig. 1 and 5, in the embodiment of the present invention, the fastening assembly 5 includes:
the control block 51 is installed on the operation box 4, a pressure lever 52 is installed on the control block 51, and the pressure lever 52 is matched with the power adapter;
the pressure groove 53 is formed in the control block 51, a spring 54 is arranged in the pressure groove 53, one end of the spring 54 is connected with a sliding rod 55, and one end of the sliding rod 55 is provided with a pressing plate 56.
In the present embodiment, the length of the spring 54 in its natural compression is not less than one-half of the depth of the indent 53.
As shown in fig. 1, 5 to 9, in the embodiment of the present invention, the position conversion assembly 7 includes:
the driving motor 71 is installed inside the operation box 4, the output end of the driving motor 71 is connected with a disc 72, one side of the disc 72 is provided with a helical gear section 73, the disc 72 is provided with gear sections 74, and the distance between the gear sections 74 is equal to the length of the helical gear section 73;
a first rotating rod 75 installed inside the operation box 4, wherein a first bevel gear 76 and a second bevel gear 77 are symmetrically installed on the first rotating rod 75, and the first bevel gear 76 and the second bevel gear 77 are matched with the bevel gear section 73;
the lifting switching assembly is arranged on the operating box 4 and used for driving the welding assembly 6 to switch welding positions;
and the moving assembly is arranged on the operation box 4 and used for driving the welding assembly 6 to carry out movable welding.
As shown in fig. 1, 5 to 9, in the embodiment of the present invention, the lifting switching assembly includes:
the first threaded rod 78 is rotatably connected to one side of the operation box 4, a first threaded block 79 is arranged on the first threaded rod 78 in a matched mode, and a V-shaped groove plate 710 is installed on one side of the first threaded block 79;
a first rotary plate 711 mounted on the first rotary rod 75, and a first transmission belt 712 is provided between the first threaded rod 78 and the first rotary plate 711;
the control plate 713 is installed on one side of the operation box 4, a first U-shaped guide groove 714 is formed in the control plate 713, a first guide block 715 is arranged in the first U-shaped guide groove 714, a guide rod 716 is installed on the first guide block 715, and the guide rod 716 is arranged in the V-shaped groove plate 710.
When the welding assembly 5 is used, the driving motor 71 is started, the driving motor 71 drives the bevel gear section 73 and the gear section 74 to rotate through the disc 72, the bevel gear section 73 is intermittently switched to be matched with the first bevel gear 76 and the second bevel gear 77, the first rotating rod 75 performs reciprocating motion of rotation, stop, reverse rotation and stop, the first rotating disc 711 and the first transmission belt 712 drive the first threaded rod 78 to synchronously rotate, the first threaded block 79 intermittently moves on the first threaded rod 78 and drives the V-shaped groove plate 710 to move, the V-shaped groove plate 710 drives the first guide block 715 to move upwards under the limit of the first U-shaped guide groove 714 through the guide rod 716, so that the welding assembly 5 is separated from a station, then moves to the other side of the power adapter, descends when moving to an end point, and moves to the other station, the welding operation is performed on the other side of the power adapter.
As shown in fig. 1, 5 to 9, in the embodiment of the present invention, the moving assembly includes:
a first gear 717 rotatably disposed inside the operation box 4, wherein the first gear 717 is engaged with the gear section 74, a second rotary disk 718 is mounted on a side of the first gear 717, and a first connecting rod 719 is rotatably connected to the second rotary disk 718;
a second connecting rod 720, which is rotatably connected to one end of the first connecting rod 719, a third rotating disc 721 is disposed at the connection position of the first connecting rod 719 and the second connecting rod 720, one end of the second connecting rod 720 is rotatably connected to a fourth rotating disc 722, and second conveying belts 723 are disposed between the second rotating disc 718 and the third rotating disc 721 and between the third rotating disc 721 and the fourth rotating disc 722;
the operating panel 724 is mounted on the operating box 4, a second U-shaped guide groove 725 is formed in the operating panel 724, a second guide block 726 is arranged inside the second U-shaped guide groove 725, a second threaded rod 727 is rotatably connected to the second guide block 726, and the fourth rotating disc 722 is mounted on the second threaded rod 727;
and the second thread block 728 is arranged on the second threaded rod 727, and two sides of the second thread block 728 are respectively connected with the guide rod 716 and the welding assembly 5.
During the use, first rotary rod 75 in the lift switching module can rotate, stop, the reciprocating motion of reverse rotation, the stop, when first rotary rod 75 carries out the motion state that stops, gear section 74 can mesh with first gear 717, then first gear 717 can drive second carousel 718 synchronous revolution, and then drive third carousel 721 and fourth carousel 722 rotatory through second transmission band 723, then fourth carousel 722 can drive second threaded rod 727 rotatory, and drive welding subassembly 5 through second screw block 728 and remove, realize automatic weld operation.
To sum up, when this power adapter production welding set used, place power adapter on supporting component 2 earlier, and extrude fixedly to it, adjust the height according to power adapter's specification afterwards, make fastening component 5 can extrude power adapter, will need welded apron to compress tightly, then start position transform subassembly 7 and welding subassembly 6, welding subassembly 6 can carry out welding operation to power adapter, and position transform subassembly 7 then can drive welding subassembly 6 and remove, automatic switch to the opposite side carries out welding operation after unilateral welding accomplishes.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A power adapter produces welding set characterized in that, power adapter produces welding set includes:
the power adapter comprises a main case, a support assembly is arranged on the main case, the power adapter is arranged on the support assembly, and the support assembly is used for fixing and adjusting the position of the power adapter;
the operation box is arranged in the main case, and a fastening assembly is arranged on the operation box and used for extruding and fixing the power adapter;
the welding assembly is arranged on the operation box and used for performing welding treatment on the power adapter;
the position conversion assembly is arranged in the operation box and is used for driving the welding assembly to carry out automatic mobile welding on the power adapter;
wherein the position conversion assembly comprises:
the driving motor is installed inside the operation box, the output end of the driving motor is connected with a disc, one side of the disc is provided with a helical gear section, the disc is provided with gear sections, and the distance between the gear sections is equal to the length of the helical gear section;
the first rotating rod is arranged in the operating box, a first bevel gear and a second bevel gear are symmetrically arranged on the first rotating rod, and the first bevel gear and the second bevel gear are matched with the bevel gear sections;
the lifting switching assembly is arranged on the operation box and used for driving the welding assembly to switch the welding position;
and the moving assembly is arranged on the operation box and used for driving the welding assembly to carry out movable welding.
2. The power adapter production welding device of claim 1, wherein the support assembly comprises:
the supporting plate is arranged inside the mainframe box, and an adjusting groove is formed in the supporting plate;
the sliding rod is arranged inside the adjusting groove, a threaded rod is installed at one end of the sliding rod, and a baffle is installed at the other end of the sliding rod;
the fastening nut is arranged on the threaded rod and matched with the baffle plate, and the fastening assembly is arranged between the fastening nuts;
the connecting plate is arranged between the threaded rods, and a sliding groove is formed in the connecting plate;
the sliding plate is arranged in the sliding groove in a sliding mode, and a rotating button is connected to the sliding plate in a threaded mode;
and the L-shaped clamping plate is arranged at one end of the sliding plate, and the L-shaped clamping plate is matched with the power adapter.
3. The power adapter production welding device of claim 2, wherein an outer diameter of the rotation knob is larger than a height of the sliding groove.
4. The power adapter production welding device of claim 1, wherein the fastening assembly comprises:
the control block is arranged on the operation box, a pressure rod is arranged on the control block, and the pressure rod is matched with the power adapter;
the indent, set up in on the control block, the indent inside is equipped with the spring, spring one end is connected with the slide bar, press the pressing plate is installed to slide bar one end.
5. The power adapter production welding device of claim 4, wherein the length of the spring when naturally compressed is no less than one-half of the depth of the indent.
6. The power adapter production welding device of claim 1, wherein the lift switch assembly comprises:
the first threaded rod is rotatably connected to one side of the operation box, a first threaded block is arranged on the first threaded rod in a matched mode, and a V-shaped groove plate is arranged on one side of the first threaded block;
the first rotating disc is arranged on the first rotating rod, and a first transmission belt is arranged between the first threaded rod and the first rotating disc;
the control panel is installed control box one side, first U type guide way has been seted up on the control panel, the inside first guide block that is equipped with of first U type guide way, install the guide bar on the first guide block, the guide bar is located inside the V type frid.
7. The power adapter production welding device of claim 6, wherein the movement assembly comprises:
the first gear is rotatably arranged in the operation box and is matched with the gear section, a second rotary table is mounted on the side part of the first gear, and a first connecting rod is rotatably connected onto the second rotary table;
the second connecting rod is rotatably connected to one end of the first connecting rod, a third rotary table is arranged at the joint of the first connecting rod and the second connecting rod, a fourth rotary table is rotatably connected to one end of the second connecting rod, and second conveying belts are arranged between the second rotary table and the third rotary table and between the third rotary table and the fourth rotary table;
the operating plate is mounted on the operating box, a second U-shaped guide groove is formed in the operating plate, a second guide block is arranged in the second U-shaped guide groove, a second threaded rod is connected to the second guide block in a rotating mode, and the fourth rotary table is mounted on the second threaded rod;
and the second thread block is arranged on the second threaded rod, and two sides of the second thread block are respectively connected with the guide rod and the welding assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184152.8A CN113618322B (en) | 2021-10-12 | 2021-10-12 | Power adapter produces welding set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111184152.8A CN113618322B (en) | 2021-10-12 | 2021-10-12 | Power adapter produces welding set |
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| Publication Number | Publication Date |
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| CN113618322A CN113618322A (en) | 2021-11-09 |
| CN113618322B true CN113618322B (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111184152.8A Active CN113618322B (en) | 2021-10-12 | 2021-10-12 | Power adapter produces welding set |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114505630B (en) * | 2022-04-19 | 2022-07-01 | 深圳市家鹏顺五金塑胶有限公司 | Power adapter shell multistation welding machine |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043889A (en) * | 2014-06-12 | 2014-09-17 | 龙泉市恒丰汽车空调配件有限公司 | Vehicle air conditioner accessory welding unit |
| CN209748423U (en) * | 2019-05-08 | 2019-12-06 | 深圳市玖洲宝科技有限公司 | Power adapter with support function |
| CN111618500A (en) * | 2020-05-28 | 2020-09-04 | 吴斌 | Auxiliary welding device for clamping diesel wagon box |
| CN212470162U (en) * | 2020-06-22 | 2021-02-05 | 广东三古科技有限公司 | Ultrasonic welding device for power adapter |
| CN213080483U (en) * | 2020-09-14 | 2021-04-30 | 威海海泰电子有限公司 | Automatic assembling and welding equipment for upper cover of power adapter |
-
2021
- 2021-10-12 CN CN202111184152.8A patent/CN113618322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104043889A (en) * | 2014-06-12 | 2014-09-17 | 龙泉市恒丰汽车空调配件有限公司 | Vehicle air conditioner accessory welding unit |
| CN209748423U (en) * | 2019-05-08 | 2019-12-06 | 深圳市玖洲宝科技有限公司 | Power adapter with support function |
| CN111618500A (en) * | 2020-05-28 | 2020-09-04 | 吴斌 | Auxiliary welding device for clamping diesel wagon box |
| CN212470162U (en) * | 2020-06-22 | 2021-02-05 | 广东三古科技有限公司 | Ultrasonic welding device for power adapter |
| CN213080483U (en) * | 2020-09-14 | 2021-04-30 | 威海海泰电子有限公司 | Automatic assembling and welding equipment for upper cover of power adapter |
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| CN113618322A (en) | 2021-11-09 |
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