CN218730312U - Transformer of resistance projection welding machine - Google Patents
Transformer of resistance projection welding machine Download PDFInfo
- Publication number
- CN218730312U CN218730312U CN202222694408.6U CN202222694408U CN218730312U CN 218730312 U CN218730312 U CN 218730312U CN 202222694408 U CN202222694408 U CN 202222694408U CN 218730312 U CN218730312 U CN 218730312U
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- copper pipe
- coil
- transformer
- welding machine
- projection welding
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Abstract
The utility model provides a resistance projection welding machine transformer. The connecting lead wire solves the problems that the connecting lead wire of the existing coil is led out from the bent part of the copper pipe, so that a certain gap is reserved between the copper pipe and the coil for installing the connecting lead wire, the integral volume is increased, and the electromagnetic loss is increased. The utility model discloses a draw forth the connecting lead wire of coil between two tip of copper pipe, utilize the clearance between two tip of copper pipe, do not occupy the position between coil and the copper pipe, effectively reduce the holistic thickness of transformer, reduce wire winding window's sectional area, shorten magnetic field distance, effectively reduce electromagnetic loss.
Description
Technical Field
The utility model relates to a projection welding machine technical field, in particular to resistance projection welding machine transformer.
Background
A resistance spot projection welder belongs to the manufacture code 3424 of metal cutting and welding equipment in the general equipment manufacturing industry, and adopts the principle of double-sided double-spot over-current welding, when in use, two electrodes pressurize workpieces to enable two layers of metals to form a certain contact resistance under the pressure of the two electrodes, when welding current flows from one electrode to the other electrode, instant thermal welding is formed at the two contact resistance points, and the welding current instantly flows from the other electrode to the electrode along the two workpieces to form a loop, and the internal structure of the welded workpiece is not damaged. At present, the resistance spot projection welding machine is widely applied to the production of industries such as kitchenware, door industry, weighing apparatus, vacuum cups, automobiles and the like, and is one of key devices for ensuring the product quality of various related application industries.
The transformer in the existing resistance projection welding machine is usually composed of a copper pipe and coils pressed on two sides of the copper pipe, and a connecting lead of the coil is led out from the bent part of the copper pipe, so that a certain gap is reserved between the copper pipe and the coil to be used for installing the connecting lead, the overall size is increased, the electromagnetic loss is increased, and the prior art has the improved part.
Disclosure of Invention
The utility model discloses equipment is to above-mentioned existing condition, and provides a resistance projection welding machine transformer that the volume is less, the electromagnetic loss is lower.
The invention aims to be realized by the following technical scheme: the transformer of the resistance projection welding machine is characterized by comprising a silicon steel sheet and a copper pipe inserted in the silicon steel sheet, wherein the copper pipe is in a U shape formed by bending, a certain gap is reserved between two end parts of the copper pipe, two sides of the copper pipe are respectively pressed with a coil, the coil is inserted in the silicon steel sheet, two ends of the silicon steel sheet are respectively and fixedly provided with a pressing plate, two sides of the coil are respectively provided with an insulating plate, a connecting lead is arranged on the coil, and the connecting lead is positioned in the gap between the two end parts of the copper pipe.
Preferably, the two end portions of the copper pipe are respectively fixedly provided with a connecting portion which inclines towards the other end portion and extends towards the direction far away from the copper pipe, one end of the connecting portion far away from the copper pipe is fixedly provided with a mounting portion which extends towards the direction far away from the copper pipe, and the mounting portion, the connecting portion and the copper pipe are integrally formed.
Preferably, the pressing plate is an aluminum plate.
Preferably, the insulating plate is insulating paper.
Preferably, the thickness of the insulating plate is 0.1 mm.
Compared with the prior art, the utility model discloses a draw forth the connecting lead wire of coil between two tip of copper pipe, utilize the clearance between two tip of copper pipe, do not occupy the position between coil and the copper pipe, effectively reduce the holistic thickness of transformer, reduce wire winding window's sectional area, shorten magnetic field distance, effectively reduce the electromagnetic loss.
Drawings
Fig. 1 is a bottom view of the present invention;
FIG. 2 is an exploded view of a silicon steel sheet and a copper tube;
FIG. 3 is a sectional view of the copper tube;
fig. 4 is a sectional view at the connection lead.
The labels in the figure are: 1. silicon steel sheets; 2. a copper pipe; 3. an end portion; 4. a coil; 5. pressing a plate; 6. an insulating plate; 7. connecting a lead; 8. a connecting portion; 9. a mounting portion.
Detailed Description
The invention will be further described with reference to the embodiments shown in the drawings to which:
as shown in fig. 1-4, a transformer for a resistance projection welding machine includes a silicon steel sheet 1 and a copper tube 2 inserted into the silicon steel sheet 1, the copper tube 2 is U-shaped and formed by bending, a certain gap is left between two end portions 3 of the copper tube 2, two sides of the copper tube 2 are respectively pressed against a coil 4, the coil 4 is inserted into the silicon steel sheet 1, two ends of the silicon steel sheet 1 are respectively and fixedly provided with a pressing plate 5, two sides of the coil 4 are respectively provided with an insulating plate 6, the coil 4 is provided with a connecting lead 7, and the connecting lead 7 is located in the gap between the two end portions 3 of the copper tube 2. The connecting lead 7 of the coil 4 is led out from the two end parts 3 of the copper pipe 2, and the gap between the two end parts 3 of the copper pipe 2 is utilized, so that the position between the coil 4 and the copper pipe 2 is not occupied, the width of a 3 mm window is reduced, the sectional area of a winding window is reduced, the magnetic field distance is shortened, and the electromagnetic loss is effectively reduced. The insulating board 6 is 0.1 millimeter F-level DMD insulating paper, the width of a window which is close to 6 millimeters is reduced by changing the original bakelite board into the insulating paper, the sectional area of a winding window is further reduced, and the magnetic field distance is shortened.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. The utility model provides a resistance projection welding machine transformer, its characterized in that includes silicon steel sheet (1), inserts copper pipe (2) of establishing in silicon steel sheet (1), and this copper pipe (2) are the U type that forms for buckling, leaves certain clearance between two tip (3) of this copper pipe (2), copper pipe (2) both sides are pressed respectively and are had a coil (4), and this coil (4) are inserted and are established in above-mentioned silicon steel sheet (1), silicon steel sheet (1) both ends are fixed respectively and are provided with one clamp plate (5), coil (4) both sides are provided with one insulation board (6) respectively, be provided with connecting lead (7) on coil (4), this connecting lead (7) are located the clearance between two tip (3) of above-mentioned copper pipe (2).
2. A transformer for a resistance projection welding machine according to claim 1, characterized in that a connecting portion (8) inclined toward the other end portion (3) and extending in a direction away from the copper tube (2) is fixedly provided on each of the two end portions (3) of the copper tube (2), an installation portion (9) extending in a direction away from the copper tube (2) is fixedly provided at one end of the connecting portion (8) away from the copper tube (2), and the installation portion (9) is integrally formed with the connecting portion (8) and the copper tube (2).
3. A transformer for a resistance projection welding machine according to claim 1, characterized in that said pressure plate (5) is an aluminum plate.
4. A transformer for a resistance projection welding machine according to claim 1, characterized in that said insulating sheet (6) is an insulating paper.
5. A transformer for a projection resistance welder according to claim 4, characterized in that the thickness of the insulating plate (6) is 0.1 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694408.6U CN218730312U (en) | 2022-10-11 | 2022-10-11 | Transformer of resistance projection welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222694408.6U CN218730312U (en) | 2022-10-11 | 2022-10-11 | Transformer of resistance projection welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218730312U true CN218730312U (en) | 2023-03-24 |
Family
ID=85583397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222694408.6U Active CN218730312U (en) | 2022-10-11 | 2022-10-11 | Transformer of resistance projection welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218730312U (en) |
-
2022
- 2022-10-11 CN CN202222694408.6U patent/CN218730312U/en active Active
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