CN111774710A - Primary and secondary spot welding head for elevator machining and method - Google Patents

Primary and secondary spot welding head for elevator machining and method Download PDF

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Publication number
CN111774710A
CN111774710A CN202010667520.3A CN202010667520A CN111774710A CN 111774710 A CN111774710 A CN 111774710A CN 202010667520 A CN202010667520 A CN 202010667520A CN 111774710 A CN111774710 A CN 111774710A
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China
Prior art keywords
electrode
head
female
spot welding
primary
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CN202010667520.3A
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Chinese (zh)
Inventor
杨玉强
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Weihai Yunfeng Elevator Co ltd
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Weihai Yunfeng Elevator Co ltd
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Application filed by Weihai Yunfeng Elevator Co ltd filed Critical Weihai Yunfeng Elevator Co ltd
Priority to CN202010667520.3A priority Critical patent/CN111774710A/en
Publication of CN111774710A publication Critical patent/CN111774710A/en
Pending legal-status Critical Current

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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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/10—Spot welding; Stitch welding
    • B23K11/11—Spot welding
    • 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
    • B23K11/00—Resistance welding; Severing by resistance heating
    • B23K11/30—Features relating to electrodes
    • B23K11/3072—Devices for exchanging or removing electrodes or electrode tips

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Resistance Welding (AREA)

Abstract

The invention discloses a primary-secondary spot welding head and a method for processing an elevator, wherein the primary-secondary spot welding head comprises an electrode primary head and an electrode secondary head, the electrode primary head is connected with an electrode holding rod of a spot welding machine, and the electrode secondary head is detachably connected with the electrode primary head; the use method of the primary-secondary spot welding head is completed by the installation of the primary-secondary spot welding head and the replacement of the electrode secondary head; when the primary and secondary spot welding heads are used for elevator processing, only the electrode sub heads need to be replaced after the electrode sub heads are worn, and the electrode main heads do not need to be replaced, so that waste materials generated in the replacement process of the spot welding heads are greatly reduced, loss is reduced, the manufacturing cost of the spot welding heads and the use cost of a spot welding machine are greatly reduced while the welding quality is ensured, and the cost is saved.

Description

Primary and secondary spot welding head for elevator machining and method
Technical Field
The invention relates to a spot welding head and a method, in particular to a primary and secondary spot welding head for elevator machining and a method.
Background
Production and processing of a plurality of parts of the elevator are required to be completed through a welding process, an alternating current pneumatic resistance spot welding machine is usually selected to complete a welding task in the production process of the elevator at present, and the welding efficiency can be improved through the use of the alternating current pneumatic resistance spot welding machine.
The electrode tip of the current alternating current pneumatic resistance spot welding machine is integrated, and the electrode tip is connected to an electrode holding rod of the spot welding machine. In the course of the work of spot welder, need carry out holistic change to the electrode tip when the lower extreme wearing and tearing of electrode tip, because the frequency that the electrode tip was changed as the consumable article is very high, and just impaired electrode tip only lower extreme wearing and tearing, other positions of electrode tip are not impaired, whole when the electrode tip is changed is scrapped and is leaded to the extravagant condition of material of electrode tip very serious, has increased the manufacturing cost of electrode tip to the use cost of spot welder has been improved greatly.
In addition, the method for connecting the electrode holding rod with the electrode tip in the existing spot welding machine is that a tapered hole with a narrow upper part and a wide lower part is connected in a close fit manner; when the conical connecting hole is subjected to temperature change and cooling water impact in the using process of a spot welding machine, the conical horn mouth is easy to deform, and an outward expansion phenomenon is generated; once the connecting hole of the electrode holding rod is deformed, the electrode head cannot be firmly fixed, cooling water at the position can leak, the electrode holding rod needs to be replaced at the moment, and the use cost of the spot welding machine is further increased.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides a primary-secondary type spot welding head for elevator machining and a method.
In order to solve the technical problems, the invention adopts the technical scheme that: the utility model provides an elevator processing is with primary and secondary formula spot welding head, includes female head of electrode, the sub-head of electrode, and the female head of electrode is connected in the electrode holding rod of spot welder, and the sub-head detachably of electrode connects in the female head of electrode.
Furthermore, female external threads are arranged on the outer side of the top of the electrode female head, and female internal threads are arranged on the inner side of the bottom of the electrode female head; the outer side of the top of the electrode sub head is provided with a sub external thread, and the sub external thread is matched with the female internal thread to connect the electrode sub head in a threaded manner to the lower end of the electrode female head.
Furthermore, a section of hollow area is arranged on the inner side of the top of the electrode female head and communicated with the inside of the electrode holding rod, so that the cooling effect of cooling water on the female spot welding head is ensured.
Furthermore, the upper portion cover of female head of electrode is equipped with the sealing washer, and the sealing washer is used for guaranteeing the leakproofness of female head of electrode and electrode holding rod junction, ensures that the cooling water can not reveal.
Furthermore, a connecting part is formed at the top of the electrode female head, female external threads are arranged on the connecting part, and the connecting part is used for connecting the electrode female head and the electrode holding rod together; the sealing ring is arranged on the outer side of the lower end of the connecting part;
the connecting portion is cylindrical.
Furthermore, the materials of the electrode female head and the electrode male head are chromium zirconium copper.
A use method of a primary and secondary spot welding head for elevator machining comprises the following steps:
installing a primary-secondary spot welding head: the electrode sub head is arranged on the electrode female head by connecting the sub external thread with the female internal thread; the electrode female head is connected with the electrode holding rod through the female external thread in a threaded manner, so that the electrode female head is arranged on the electrode holding rod;
replacement of electrode heads: when the installed electrode sub head needs to be replaced due to abrasion, the threaded connection between the electrode sub head and the electrode female head is removed, the electrode sub head is replaced, and a new electrode sub head is installed on the electrode female head through threaded connection.
When the primary and secondary spot welding heads are used for elevator processing, only the electrode sub heads need to be replaced after the electrode sub heads are worn, and the electrode main heads do not need to be replaced, so that waste materials generated in the replacement process of the spot welding heads are greatly reduced, loss is reduced, the manufacturing cost of the spot welding heads and the use cost of a spot welding machine are greatly reduced while the welding quality is ensured, and the cost is saved.
Drawings
Fig. 1 is a schematic position diagram of the primary and secondary spot welding heads of the present invention on a spot welding machine.
Fig. 2 is a side view of fig. 1.
Fig. 3 is an enlarged view of a portion of the female spot welding head of fig. 1.
Fig. 4 is a schematic structural diagram of the primary and secondary spot welding heads.
Fig. 5 is a state diagram of the primary-secondary type spot welding head in a disassembled state.
In the figure: 1. an electromagnetic valve; 2. a cylinder; 3. a triplet; 4. a controller; 5. an electrode holding rod; 6. a primary and secondary spot welding head; 7. a chassis; 8. a foot switch; 9. an electrode female head; 10. an electrode sub-head; 11. a seal ring; 12. female external threads; 13. female internal threads; 14. a hollow zone; 15. a sub external thread; 16. a connecting portion; 17. the electrode holding rod is internally threaded.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, a primary and secondary spot welding head for processing an elevator comprises an electrode female head 9 and an electrode male head 10, wherein the electrode female head 9 is connected to an electrode holding rod 5 of the spot welding machine, and the electrode male head 10 is detachably connected to the electrode female head 9.
As shown in fig. 4 and 5, a connecting portion 16 is formed at the top of the electrode female head 9, a female external thread 12 is arranged on the outer side of the top of the electrode female head 9, the female external thread 12 is arranged on the connecting portion 16, and the connecting portion is used for connecting the electrode female head and the electrode holding rod together; the inner side of the bottom of the electrode female head 9 is provided with female internal threads 13; the outer side of the top of the electrode sub-head 10 is provided with a sub-external thread 15, and the sub-external thread 15 is matched with the female internal thread 13 to connect the electrode sub-head 10 to the lower end of the electrode female head 9 in a threaded mode.
The inner side of the top of the electrode female head 9 is provided with a section of hollow area 14, the hollow area 14 is communicated with the inside of the electrode holding rod 5, the inner side of the top of the electrode female head is hollow and communicated with the inside of the electrode holding rod when a water inlet and a water outlet of cooling water are communicated with the inside of the electrode holding rod, so that the cooling effect of the cooling water on the female spot welding head can be ensured, and the hollow area 14 of the electrode female head is not communicated with the female internal thread 13 part below the hollow area to ensure the normal circulation of the cooling water. The upper portion cover of female head 9 of electrode is equipped with sealing washer 11, and sealing washer 11 sets up in the lower extreme outside of connecting portion 16, and the sealing washer is used for guaranteeing the leakproofness of female head of electrode and electrode holding rod junction, ensures that the cooling water can not reveal.
The connecting part 16 is cylindrical, the outer surface of the cylindrical connecting part is in a straight shape, the electrode female head is connected with the electrode holding rod through the connecting part, and the connecting part is in a vertical connection mode, so that the problems that the electrode tip cannot be firmly fixed and cooling water leaks due to the deformation of the conical connecting part between the electrode tip and the electrode holding rod in the prior art are solved.
The electrode female head 9 and the electrode male head 10 are made of chromium, zirconium and copper and are made of the same material as the electrode holding rod, so that the welding performance of the primary and secondary spot welding heads is ensured.
A use method of a primary and secondary spot welding head for elevator machining comprises the following steps:
installing a primary-secondary spot welding head: the electrode sub head 10 is arranged on the electrode female head 9 by the threaded connection of the sub external thread 15 and the female internal thread 13; the electrode female head 9 is in threaded connection with the electrode holding rod 5 through the female external threads 12, so that the electrode female head 9 is mounted on the electrode holding rod 5;
replacement of electrode heads: when the installed electrode sub-head needs to be replaced due to abrasion, the threaded connection between the electrode sub-head and the electrode female head 9 is released, the electrode sub-head is replaced, and a new electrode sub-head is installed on the electrode female head 9 through threaded connection.
Compared with the prior art, the invention has the following advantages:
1) the detachable structure of the primary-secondary spot welding head can reduce the generation of waste materials in the working process of the spot welding head, when the electrode sub-head is worn, only the electrode sub-head needs to be replaced, and the electrode main head does not need to be replaced, so that the manufacturing cost of the spot welding head and the use cost of a spot welding machine are greatly reduced;
2) the inner side of the top of the electrode female head is hollow and communicated with the inside of the electrode holding rod, so that the cooling effect of cooling water on the female spot welding head can be ensured;
3) the connecting part of the electrode female head is cylindrical, so that the outer surface of the connecting part is a straight surface, the threaded connection part of the electrode female head and the electrode holding rod is in a vertical connection mode through the connecting part, and compared with the existing connection mode that the connection part of the electrode head and the electrode holding rod is in a conical connection mode, the vertical connection mode provided by the invention has the advantages that the electrode holding rod is not easy to deform in the working process, the service life of the electrode holding rod can be prolonged, and the manufacturing cost of the electrode holding rod and the use cost of a spot welding machine are reduced.
The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make variations, modifications, additions or substitutions within the technical scope of the present invention.

Claims (7)

1. The utility model provides an elevator processing is with primary and secondary formula spot welding head which characterized in that: the spot welding machine comprises an electrode female head (9) and an electrode male head (10), wherein the electrode female head (9) is connected to an electrode holding rod (5) of the spot welding machine, and the electrode male head (10) is detachably connected to the electrode female head (9).
2. The primary-secondary spot welding head for processing the elevator according to claim 1, characterized in that: the outer side of the top of the electrode female head (9) is provided with a female external thread (12), and the inner side of the bottom of the electrode female head (9) is provided with a female internal thread (13); and a sub external thread (15) is arranged on the outer side of the top of the electrode sub head (10), and the sub external thread (15) is matched with the female internal thread (13) to connect the electrode sub head (10) to the lower end of the electrode female head (9) in a threaded manner.
3. The primary-secondary spot welding head for processing the elevator according to claim 2, characterized in that: a section of hollow area (14) is arranged on the inner side of the top of the electrode female head (9), and the hollow area (14) is communicated with the inside of the electrode holding rod (5) so as to ensure the cooling effect of cooling water on the female spot welding head.
4. The primary-secondary spot welding head for processing the elevator according to claim 3, characterized in that: the upper portion cover of female head of electrode (9) is equipped with sealing washer (11), and the sealing washer is used for guaranteeing the leakproofness of female head of electrode and electrode holding rod junction, ensures that the cooling water can not reveal.
5. The primary-secondary spot welding head for processing the elevator according to claim 4, characterized in that: a connecting part (16) is formed at the top of the electrode female head (9), female external threads (12) are arranged on the connecting part (16), and the connecting part is used for connecting the electrode female head and the electrode holding rod together; the sealing ring (11) is arranged on the outer side of the lower end of the connecting part (16);
the connecting portion (16) is cylindrical.
6. The primary-secondary spot welding head for processing the elevator according to claim 1, characterized in that: the electrode female head (9) and the electrode male head (10) are made of chromium, zirconium and copper.
7. The use method of the primary and secondary spot welding head for processing the elevator is characterized by comprising the following steps of: the using method comprises the following steps:
installing a primary-secondary spot welding head: the electrode sub head (10) is arranged on the electrode female head (9) by the threaded connection of the sub external thread (15) and the female internal thread (13); the electrode female head (9) is in threaded connection with the electrode holding rod (5) through the female external threads (12), so that the electrode female head (9) is installed on the electrode holding rod (5);
replacement of electrode heads: when the installed electrode sub-head needs to be replaced due to abrasion, the threaded connection between the electrode sub-head and the electrode female head (9) is released, the electrode sub-head is replaced, and a new electrode sub-head is installed on the electrode female head (9) through threaded connection.
CN202010667520.3A 2020-07-13 2020-07-13 Primary and secondary spot welding head for elevator machining and method Pending CN111774710A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010667520.3A CN111774710A (en) 2020-07-13 2020-07-13 Primary and secondary spot welding head for elevator machining and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010667520.3A CN111774710A (en) 2020-07-13 2020-07-13 Primary and secondary spot welding head for elevator machining and method

Publications (1)

Publication Number Publication Date
CN111774710A true CN111774710A (en) 2020-10-16

Family

ID=72768506

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010667520.3A Pending CN111774710A (en) 2020-07-13 2020-07-13 Primary and secondary spot welding head for elevator machining and method

Country Status (1)

Country Link
CN (1) CN111774710A (en)

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