CN214684924U - Reinforcing screw, anti-vibration capacitor and welding tool thereof - Google Patents
Reinforcing screw, anti-vibration capacitor and welding tool thereof Download PDFInfo
- Publication number
- CN214684924U CN214684924U CN202023054478.2U CN202023054478U CN214684924U CN 214684924 U CN214684924 U CN 214684924U CN 202023054478 U CN202023054478 U CN 202023054478U CN 214684924 U CN214684924 U CN 214684924U
- Authority
- CN
- China
- Prior art keywords
- welding
- screw
- cover plate
- reinforcing
- insulator cover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model provides a reinforcing screw, an anti-vibration capacitor and a welding tool thereof, wherein the reinforcing screw comprises a head and a screw rod which are connected, the top end of the head is provided with a welding disc, and the center of the welding disc is provided with a welding table which protrudes outwards; the anti-vibration capacitor comprises a fixedly connected shell and an insulator cover plate, wherein an acid injection hole is formed in the insulator cover plate, a reinforcing screw is fixed on the insulator cover plate, and the reinforcing screw is connected with the insulator cover plate in a positioning mode through resistance welding and then is connected with the insulator cover plate in a reinforcing mode through laser welding; the welding tool comprises a workbench, wherein an eccentric counter bore is formed in the surface of the workbench, a positioning hole is formed in the bottom of the counter bore, and when the positioning hole is overlapped with an acid injection hole, the axis of a reinforcing screw is overlapped with the axis of the workbench. The utility model provides a consolidate screw, anti-vibration condenser and welding frock thereof realizes carrying out laser welding again after resistance welding and consolidates, has improved the joint strength who consolidates screw and anti-vibration condenser, satisfies 30g, 2KHz high frequency vibration index.
Description
Technical Field
The utility model belongs to the technical field of the condenser design, concretely relates to consolidate screw, anti-vibration condenser and welding frock thereof.
Background
The capacitor plays an important role in circuits such as tuning, bypass, coupling, filtering and the like, and has wide application. The condenser is limited to installation space, can't use the supplementary fixed application scenario of mounting bracket, mostly adopts the structure of taking set screw, chinese patent as publication No. CN106920683A provides a condenser connecting plate, including main part board, first linking arm and second linking arm are fixed respectively the main part board left and right sides, first linking arm and second linking arm all are equivalent to set screw, conventional set screw only adopts resistance welding to fix, under the higher operating condition of vibration magnitude, like 30g, 2KHz high frequency vibration, it is not good to appear fixed effect easily, lead to condenser electrical parameter progressively to worsen until losing the condenser function, more serious can appear set screw and drop, lead to positive negative pole pin atress to damage, the condenser breaks away from the circuit, the unable normal work of circuit.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a consolidate screw, anti-vibration condenser and welding frock thereof realizes carrying out laser welding again after the resistance welding and consolidates, has improved the joint strength who consolidates screw and anti-vibration condenser, satisfies 30g, 2KHz high frequency vibration index.
The utility model discloses a following technical scheme can realize:
the utility model provides a reinforcement screw, including head and the screw rod that links to each other, the head tip is provided with the welding dish, and the welding dish center is provided with the welding bench of evagination, when the assembly reinforcement screw on anti-vibration capacitor, fixes a position through resistance welding, and electrode current generates heat through the welding bench, and with anti-vibration capacitor insulator apron fusion welding together, the rethread laser welding carries out fusion welding to the welding dish outer lane, improves the joint strength of reinforcement screw and insulator apron, satisfies 30g, 2KHz high-frequency vibration index.
The welding table structure is a disc, the diameter of the welding table is smaller than that of the head, the area of the welding table is reduced, the contact effect during welding is improved, the uniformity of welding current density is increased, and therefore resistance welding efficiency and strength are improved.
The thickness of the welding table is 0.05 mm-0.3 mm.
The welding disc structure is a disc, the diameter of the welding disc is larger than that of the head, the stress area of the welded screw is increased, and the screw is prevented from falling off.
The thickness of the welding disc is 0.3 mm-1 mm.
The application still provides an anti-vibration capacitor, shell and insulator apron including fixed connection, be provided with on the insulator apron and annotate the acid hole, be fixed with two at least reinforcement screws on the insulator apron, reinforcement screw is arbitrary foretell reinforcement screw, reinforcement screw's welding bench passes through resistance welding and insulator apron positioning connection, reinforcement screw's welding dish passes through laser welding and insulator apron and consolidates and be connected, improve the joint strength who consolidates screw and insulator apron, make anti-vibration capacitor product satisfy 30g, 2KHz high-frequency vibration index.
The reinforcing screws are distributed on the insulator cover plate in a rotational symmetry mode along the center of the insulator cover plate, stress is uniform, and anti-vibration indexes are guaranteed.
The application provides a welding frock again, a laser welding process for insulator apron and reinforcement screw in arbitrary foretell anti-vibration condenser, including columniform workstation, the workstation mesa is provided with eccentric counter bore, the counter bore hole bottom is provided with the locating hole, when the locating hole coincides with the notes acid hole of insulator apron, the axis and the workstation axis coincidence of reinforcement screw, through annotating acid hole and locating hole installation bolt, fix a position the insulator apron, the laser head keeps motionless during the welding, it realizes carrying out fusion welding to the welding disc outer lane to rotate the workstation, avoid adjusting the laser welding route repeatedly, and the machining efficiency is improved, and the product quality is ensured.
The number of the positioning holes is consistent with that of the reinforcing screws, the positioning holes are distributed along the center of the counter bore in a rotating and symmetrical mode, positioning is fast, operation is convenient, and production efficiency is guaranteed.
The bottom surface of the workbench is provided with a convex clamping end which is of a cylindrical structure, and the axis of the clamping end is superposed with the axis of the workbench.
The beneficial effects of the utility model reside in that:
compared with the prior art, through setting up welding disc and welding bench, realize carrying out laser welding again after the resistance welding and consolidate, improved the joint strength who consolidates screw and anti-vibration capacitor, satisfy 30g, 2KHz high frequency vibration index. By using the reinforcing screw on the anti-vibration capacitor, the connection strength of the reinforcing screw and the anti-vibration capacitor is improved, so that the anti-vibration capacitor product meets the high-frequency vibration index of 30g and 2 KHz. Welding frock is through setting up the notes sour hole complex locating hole with the insulator apron to when locating hole and notes sour hole coincide, the axis and the workstation axis coincidence of reinforcement screw, the laser head keeps motionless during laser welding, rotates the workstation and realizes carrying out fusion welding to the welding dish outer lane, avoids adjusting the laser welding route repeatedly, has improved machining efficiency, has ensured product quality.
Drawings
FIG. 1 is a schematic structural view of a reinforcing screw according to the present invention;
FIG. 2 is a schematic view of the structure of the anti-vibration capacitor with the reinforcing screw according to the present invention;
FIG. 3 is a schematic structural view of the welding jig of the present invention;
fig. 4 is a schematic view of the insulator cover plate and the reinforcing screw installed in the welding jig according to the present invention;
fig. 5 is a top view of fig. 4.
In the figure: 1-reinforcing screw, 2-shell, 3-insulator cover plate, 4-workbench, 5-clamping end, 11-head, 12-screw, 13-welding disc, 14-welding bench, 31-acid injection hole, 41-counter bore and 42-positioning hole.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in figure 1, the reinforcing screw comprises a head 11 and a screw 12 which are connected, wherein a welding disc 13 is arranged at the end part of the head 11, a convex welding table 14 is arranged at the center of the welding disc 13, when the reinforcing screw 1 is assembled on an anti-vibration capacitor, positioning is carried out through resistance welding, electrode current generates heat through the welding table 14, the electrode current and the anti-vibration capacitor are welded together through welding, then the outer ring of the welding disc 13 is welded through laser welding, the connecting strength of the reinforcing screw 1 and the anti-vibration capacitor is improved, and the high-frequency vibration index of 30g and 2KHz is met.
The welding table 14 is a circular disc in structure, the diameter of the welding table 14 is smaller than that of the head portion 11, the area of the welding table is reduced, the contact effect during welding is improved, the uniformity of welding current density is improved, and therefore resistance welding efficiency and strength are improved.
The thickness of the welding table 14 is 0.05 mm-0.3 mm. In this embodiment, the soldering station 14 preferably has a thickness dimension of 0.1 mm.
The structure of the welding disc 13 is a circular disc, the diameter of the welding disc 13 is larger than that of the head 11, the stress area of the welded screw is increased, and the screw is prevented from falling off.
The thickness of the welding disc 13 is 0.3 mm-1 mm. In the present embodiment, the thickness of the bonding pad 13 is preferably 0.5 mm.
As shown in fig. 2, the application further provides an anti-vibration capacitor, including fixedly connected housing 2 and insulator cover plate 3, be provided with acid injection hole 31 on the insulator cover plate 3, be fixed with two at least reinforcement screws 1 on the insulator cover plate 3, reinforcement screw 1 is arbitrary foretell reinforcement screw 1, reinforcement screw 1's welding bench 14 is through resistance welding and insulator cover plate 3 fixed position connection, reinforcement screw 1's welding dish 13 is through laser welding and insulator cover plate 3 reinforced connection, improve reinforcement screw 1 and insulator cover plate 3's joint strength, make anti-vibration capacitor product satisfy 30g, 2KHz high frequency vibration index.
The reinforcing screws 1 are distributed on the insulator cover plate 3 in a rotational symmetry mode along the center of the insulator cover plate 3, stress is uniform, and anti-vibration indexes are guaranteed.
In the prior art, a fixing screw with the specification of M2.5 is adopted, only an original structure fixed by resistance welding is adopted, and the bearable ultimate tensile force is about 30N; in this embodiment, after the welding disk 13 is added to the reinforcing screw 1 of the same specification, the reinforcing screw 1 is positioned by resistance welding and then is reinforced by laser welding, the fixing strength of the reinforcing screw 1 after welding can reach 90N of tension, the structure of the fixed part of the anti-vibration capacitor and the reinforcing screw 1 after 30g and 2KHz high-frequency vibration is not abnormal, the electrical parameter meets the standard requirement, and the function of the anti-vibration capacitor in a circuit is not influenced.
As shown in fig. 3 to 5, the present application further provides a welding tool, which is used in the laser welding process of the insulator cover plate 3 and the reinforcing screw 1 in the anti-vibration capacitor, and includes a cylindrical workbench 4, an eccentric counterbore 41 is arranged on the top surface of the workbench 4, a positioning hole 42 is arranged at the bottom of the counterbore 41, when the positioning hole 42 coincides with the acid injection hole 31 of the insulator cover plate 3, the axis of the reinforcing screw 1 coincides with the axis of the workbench 4, in this embodiment, when the insulator cover plate 3 and the reinforcing screw 1 are welded, the anti-vibration capacitor acid injection hole is not blocked, and at the moment, a bolt can be installed through the acid injection hole 31 and a tool positioning hole, the insulator cover plate 3 is positioned, the laser head is kept still during welding, the workbench 4 is rotated to realize fusion welding on the outer ring of the welding disc 13, repeated adjustment of a laser welding path is avoided, machining efficiency is improved, and product quality is guaranteed.
The number of the positioning holes 42 is consistent with that of the reinforcing screws 1, the positioning holes 42 are distributed along the center of the counter bore 41 in a rotating and symmetrical mode, positioning is fast, operation is convenient, and production efficiency is guaranteed.
The bottom surface of the workbench 4 is provided with a convex clamping end 5, the clamping end 5 is of a cylindrical structure, and the axis of the clamping end 5 coincides with the axis of the workbench 4.
The utility model provides a pair of consolidate screw, anti-vibration condenser and welding frock thereof through setting up welding dish and welding bench, realizes carrying out laser welding again after resistance welding and consolidates, has improved the joint strength who consolidates screw and anti-vibration condenser, satisfies 30g, 2KHz high-frequency vibration index. By using the reinforcing screw on the anti-vibration capacitor, the connection strength of the reinforcing screw and the anti-vibration capacitor is improved, so that the anti-vibration capacitor product meets the high-frequency vibration index of 30g and 2 KHz. Welding frock is through setting up the notes sour hole complex locating hole with the insulator apron to when locating hole and notes sour hole coincide, the axis and the workstation axis coincidence of reinforcement screw, the laser head keeps motionless during laser welding, rotates the workstation and realizes carrying out fusion welding to the welding dish outer lane, avoids adjusting the laser welding route repeatedly, has improved machining efficiency, has ensured product quality.
Claims (9)
1. An anti-vibration capacitor, characterized by: the reinforcing structure comprises a fixedly connected shell (2) and an insulator cover plate (3), an acid injection hole (31) is formed in the insulator cover plate (3), at least two reinforcing screws (1) are fixed on the insulator cover plate (3), each reinforcing screw (1) comprises a head (11) and a screw (12) which are connected with each other, a welding disc (13) is arranged at the end of each head (11), a convex welding table (14) is arranged at the center of each welding disc (13), the welding table (14) of each reinforcing screw (1) is connected with the insulator cover plate (3) in a positioning mode through resistance welding, and the welding disc (13) of each reinforcing screw (1) is connected with the insulator cover plate (3) in a reinforcing mode through laser welding.
2. An anti-vibration capacitor as recited by claim 1, wherein: the welding table (14) is in a disc structure, and the diameter of the welding table (14) is smaller than that of the head (11).
3. An anti-vibration capacitor as claimed in claim 1 or 2, wherein: the thickness of the welding table (14) is 0.05 mm-0.3 mm.
4. An anti-vibration capacitor as recited by claim 1, wherein: the welding disc (13) is a circular disc, and the diameter of the welding disc (13) is larger than that of the head (11).
5. An anti-vibration capacitor as claimed in claim 1 or 4, wherein: the thickness of the welding disc (13) is 0.3 mm-1 mm.
6. An anti-vibration capacitor as recited by claim 1, wherein: the reinforcing screws (1) are distributed on the insulator cover plate (3) in a rotational symmetry mode along the center of the insulator cover plate (3).
7. A welding tool used in the laser welding process of the insulator cover plate (3) and the reinforcing screw (1) in the anti-vibration capacitor as claimed in any one of claims 1 or 6, and characterized in that: the device comprises a cylindrical workbench (4), wherein an eccentric counter bore (41) is formed in the table top of the workbench (4), a positioning hole (42) is formed in the hole bottom of the counter bore (41), and when the positioning hole (42) is overlapped with an acid injection hole (31) of an insulator cover plate (3), the axis of a reinforcing screw (1) is overlapped with the axis of the workbench (4).
8. The welding tool of claim 7, wherein: the number of the positioning holes (42) is consistent with that of the reinforcing screws (1), and the positioning holes (42) are rotationally and symmetrically distributed along the center of the counter bore (41).
9. The welding tool of claim 7, wherein: the bottom surface of the workbench (4) is provided with a convex clamping end (5), the clamping end (5) is of a cylindrical structure, and the axis of the clamping end (5) coincides with the axis of the workbench (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054478.2U CN214684924U (en) | 2020-12-17 | 2020-12-17 | Reinforcing screw, anti-vibration capacitor and welding tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023054478.2U CN214684924U (en) | 2020-12-17 | 2020-12-17 | Reinforcing screw, anti-vibration capacitor and welding tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214684924U true CN214684924U (en) | 2021-11-12 |
Family
ID=78558427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023054478.2U Active CN214684924U (en) | 2020-12-17 | 2020-12-17 | Reinforcing screw, anti-vibration capacitor and welding tool thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214684924U (en) |
-
2020
- 2020-12-17 CN CN202023054478.2U patent/CN214684924U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201693266U (en) | Resistance heat and ultrasonic vibration compound heating soldering equipment | |
| CN214684924U (en) | Reinforcing screw, anti-vibration capacitor and welding tool thereof | |
| CN209598414U (en) | Device for laminated cell ultrasonic bonding tab | |
| CN110497082A (en) | A kind of cylindrical lithium ion battery cathode ear and battery case laser welding connect technique | |
| CN218612253U (en) | Welding device for cylindrical battery shell and negative current collecting plate | |
| CN219818942U (en) | Ultrasonic-assisted processing knife handle | |
| CN215824656U (en) | Welding auxiliary tool for shot blasting machine protective cover | |
| CN115319255A (en) | Curved surface positioning clamping electrode, welding method and spot welding machine | |
| CN206084119U (en) | Welding set is strikeed in microwire energy storage | |
| CN213916870U (en) | Precision machinery spare welding jig | |
| CN213959242U (en) | Welding machine ground wire termination | |
| CN211737709U (en) | Welding square nut convenient to assembly | |
| CN208358017U (en) | A kind of lithium ion battery ultrasonic metal spot-welding tab frock clamp | |
| CN217749820U (en) | Ultrasonic auxiliary resistance spot welding device for metal plate | |
| CN212526468U (en) | Battery block welding jig and battery assembly device | |
| CN217727466U (en) | Ultrasonic welding tool head and ultrasonic metal welding machine | |
| CN214602489U (en) | Welding device of ultrasonic welding machine | |
| CN217371099U (en) | Welding fixture | |
| CN219503970U (en) | Cell module welding set suitable for different polar ear orientations | |
| CN210281205U (en) | Stereo set power strip welding jig | |
| CN211516508U (en) | Novel 3S4P energy storage module structure Busbar welding tool device | |
| CN219924811U (en) | Pressure welding point head device | |
| CN219151851U (en) | Structure of welding device | |
| CN220902320U (en) | Positioning tool for spot welding nickel plates of lithium batteries | |
| CN217727419U (en) | Device for increasing machining stroke of electric spark forming machine and electric spark forming machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |