CN112059382A - Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun - Google Patents
Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun Download PDFInfo
- Publication number
- CN112059382A CN112059382A CN202011115144.3A CN202011115144A CN112059382A CN 112059382 A CN112059382 A CN 112059382A CN 202011115144 A CN202011115144 A CN 202011115144A CN 112059382 A CN112059382 A CN 112059382A
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- Prior art keywords
- arc
- extinguishing chamber
- mounting seat
- mounting structure
- jackscrew
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- 238000003466 welding Methods 0.000 title abstract description 30
- 239000000463 material Substances 0.000 claims description 13
- 238000010891 electric arc Methods 0.000 abstract description 12
- 238000009434 installation Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Classifications
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/32—Accessories
-
- 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
- B23K9/00—Arc welding or cutting
- B23K9/20—Stud welding
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Mechanical Engineering (AREA)
- Arc-Extinguishing Devices That Are Switches (AREA)
Abstract
The invention discloses an arc extinguishing chamber mounting structure for a drawn arc type handheld stud welding gun, which comprises an arc extinguishing chamber (1) and an arc extinguishing chamber mounting seat (2), wherein the outer surface of the arc extinguishing chamber (1) is provided with external threads (11), the joint of the inner cavity of the arc extinguishing chamber mounting seat (2) and the arc extinguishing chamber (1) is provided with internal threads (21) corresponding to the external threads (11), and the arc extinguishing chamber (1) and the arc extinguishing chamber mounting seat (2) are connected through threads. The arc-extinguishing chamber and the arc-extinguishing chamber mounting seat are connected and processed into a thread fit mounting form, so that the axial movement of the arc-extinguishing chamber and the arc-extinguishing chamber mounting seat in fit can not be generated, the possibility of arc discharge distance change is reduced, the fault rate of a welding gun is reduced, and the welding quality is ensured; and the screw-thread fit of machine tooling compares original clearance fit, and the assurance concentricity that can be better has avoided original shaft hole clearance fit stack jackscrew fastening installation to adjust the concentricity that leads to and can not guarantee, has avoided the welding nail to weld partially.
Description
Technical Field
The invention relates to the technical field of arc-discharge type handheld stud welding guns, in particular to an arc extinguishing chamber mounting structure for an arc-discharge type handheld stud welding gun.
Background
The arc extinguishing cover of the arc-discharge type handheld stud welding gun not only has the functions of preventing arc light and splashing and extinguishing arc, but also can influence the arc discharge distance during welding and the mechanical positioning during welding, so that whether the installation and the adjustment of the arc extinguishing cover are accurate or not has great influence on normal welding and welding quality. Whether the installation and the adjustment are convenient and quick has great influence on the use and maintenance cost and the efficiency of the welding gun. In the use process of the welding gun, in order to ensure normal welding and welding quality, the arc extinguishing chamber is often required to be checked and adjusted frequently.
The arc extinguishing chamber and the arc extinguishing chamber mounting seat of the existing arc-pulling type handheld stud welding gun generally adopt the following two matching mounting modes:
1. adopt shaft hole clearance fit form, be equipped with locking notch round pin or with jackscrew locking arc-extinguishing chamber on the arc-extinguishing chamber mount pad, the arc-extinguishing chamber mount pad is fixed on the rifle body, need loosen fastening screw when adjusting the arc-drawing distance, strikes arc-extinguishing chamber to the correct position forward or backward repeatedly, then fastens locking screw.
2. A step is processed at the root of the arc-extinguishing chamber, the arc-extinguishing chamber is locked on the arc-extinguishing chamber mounting seat by a locking nut or a pressing plate, the arc-extinguishing chamber mounting seat is fixed on the gun body through two adjusting slide bars, and the arc-extinguishing chamber mounting seat is locked after being adjusted to the correct position by loosening the fixing screws of the two side slide bars when the arc-drawing distance is adjusted.
The above structural form has three defects in practical use:
1. the arc distance is troublesome to adjust, and accurate fine setting is more inconvenient, because the adjustment of arc distance is accurate to 0.1mm, appear the deviation again and need adjust repeatedly when often adjusting suitable back fastening screw. The accurate arc discharge distance is important for the influence on the normal welding and the welding quality.
2. The arc extinguishing cover is easy to move axially backwards to cause the change of arc striking distance to affect the normal welding and welding quality. At present, in order to prevent the arc-extinguishing chamber from moving backwards as much as possible, the arc-extinguishing chamber is often realized by increasing the number of jackscrews and the size specification of the jackscrews, the excessive number of the jackscrews influences the efficiency of adjusting the arc-drawing distance, and the excessive jackscrew specification easily causes damage to the surface of the arc-extinguishing chamber body and further influences the matching precision. Even this effect is modest.
3. The matching of the arc-extinguishing cover and the mounting seat easily causes poor concentricity of the arc-extinguishing cover and the conductive chuck due to the influence of processing precision and mounting adjustment methods, and leads to welding deviation of the welding nail.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides an arc extinguishing chamber mounting structure for an arc-discharge type handheld stud welding gun on the basis of not changing the basic overall dimension and basic structure of the original welding gun.
The invention aims to solve the problems by the following technical scheme:
the utility model provides an arc extinguishing chamber mounting structure for drawing handheld stud welder of arc formula, includes arc extinguishing chamber and arc extinguishing chamber mount pad, its characterized in that: the outer surface of the arc-extinguishing chamber is provided with external threads, the joint of the inner cavity of the arc-extinguishing chamber mounting seat and the arc-extinguishing chamber is provided with internal threads corresponding to the external threads, and the arc-extinguishing chamber mounting seat are connected through threads.
The outer surface of the arc-extinguishing chamber is provided with N scale marks which are equally divided along the circumference, and the end face of the arc-extinguishing chamber mounting seat is provided with a datum line which can correspond to the scale marks.
The scale marks are arranged along the axial direction of the arc extinguishing chamber.
The arc-extinguishing chamber mounting seat is provided with a jackscrew hole which is positioned in the internal thread area and penetrates through the arc-extinguishing chamber mounting seat, and the jackscrew screwed into the jackscrew hole fixes the arc-extinguishing chamber in the internal thread area of the arc-extinguishing chamber mounting seat.
The symmetrically arranged jackscrew holes are arranged along the radial direction of the arc extinguishing chamber mounting seat.
And a plastic material piece is embedded at the inner port of the jackscrew hole, can be embedded into the internal thread and is used for isolating the direct contact between the internal thread and the front end of the jackscrew.
The plastic material piece has a diameter equal to the inside diameter of the jackscrew hole.
The jackscrew adopts plastic head jackscrew.
The front end of the arc-extinguishing chamber is provided with arc-shaped grooves which are uniformly distributed at the front end of the arc-extinguishing chamber.
The arc-shaped groove is semicircular, and the inner diameter of the arc-shaped groove is not more than half of the inner diameter of the front end of the arc-extinguishing chamber.
Compared with the prior art, the invention has the following advantages:
the arc-extinguishing shield and the arc-extinguishing shield mounting seat are connected and processed into a thread fit mounting form and are fixed by two symmetrical small jackscrews, so that the radial rotation and the axial movement of the arc-extinguishing shield are avoided; due to the mechanical characteristic of thread matching, axial movement of the arc-extinguishing chamber and the arc-extinguishing chamber mounting seat in matching can not be generated any more, the possibility of arc discharge distance change is reduced, the fault rate of a welding gun is reduced, and the welding quality is ensured; and the screw-thread fit of machine tooling compares original clearance fit, and the assurance concentricity that can be better has avoided original shaft hole clearance fit stack jackscrew fastening installation to adjust the concentricity that leads to and can not guarantee, has avoided the welding nail to weld partially.
According to the invention, N scale marks are equally marked on the outer circular surface of the arc extinguishing chamber along the circumference, so that the arc discharge distance is conveniently and accurately adjusted.
According to the invention, plastic materials with the same diameter are embedded into the jackscrew hole on the arc extinguishing cover mounting seat or the jackscrew of the plastic head is adopted, so that the damage of the jackscrew to the internal thread is avoided.
Drawings
FIG. 1 is a schematic view of an arc chute mounting structure for a drawn arc hand stud gun of the present invention.
Wherein: 1-arc extinguishing chamber; 11-external thread; 12-scale mark; 13-an arc-shaped groove; 2-arc extinguishing chamber mount pad; 21-internal thread; 22 — reference line; 23-a jackscrew hole; 3-top thread; 4-plastic material piece.
Detailed Description
The invention is further described with reference to the following figures and examples.
As shown in fig. 1: an arc extinguishing chamber mounting structure for a drawn-arc handheld stud welding gun comprises an arc extinguishing chamber 1 and an arc extinguishing chamber mounting seat 2, wherein the outer surface of the arc extinguishing chamber 1 is provided with an external thread 11, an internal thread 21 corresponding to the external thread 11 is arranged at the joint of the inner cavity of the arc extinguishing chamber mounting seat 2 and the arc extinguishing chamber 1, and the arc extinguishing chamber 1 and the arc extinguishing chamber mounting seat 2 are connected through threads; in addition, the arc extinguishing chamber mounting seat 2 is provided with the jackscrew hole 23 which is located in the internal thread 21 area and runs through the arc extinguishing chamber mounting seat 2, the symmetric jackscrew holes 23 are arranged along the radial direction of the arc extinguishing chamber mounting seat 2, the jackscrew 3 screwed in the jackscrew hole 23 fixes the arc extinguishing chamber 1 in the internal thread 21 area of the arc extinguishing chamber mounting seat 2, and the radial rotation and the axial movement of the arc extinguishing chamber 1 are avoided through the thread fit and the fixation of the jackscrew 3.
Furthermore, the outer surface of the arc-extinguishing chamber 1 is provided with N scale marks 12 equally divided along the circumference, the scale marks 12 are arranged along the axial direction of the arc-extinguishing chamber 1, and the end surface of the arc-extinguishing chamber mounting base 2 is provided with a datum line 22 capable of corresponding to the scale marks 12. It should be noted that, in practical use, the number of graduation marks 12 or the number of circumferential divisions depends on the accuracy of the arc discharge adjustment.
Further, a plastic material piece 4 is embedded at the inner port of the jackscrew hole 23, the diameter of the plastic material piece 4 is the same as the inner diameter of the jackscrew hole 23, and the plastic material piece 4 can be embedded in the external thread 11 and used for isolating the direct contact between the internal thread 21 and the front end of the jackscrew 3. Or the plastic head jackscrew is directly adopted, and the purpose of not damaging the thread can be also met.
Further, an arc-shaped groove 13 is arranged at the front end of the arc-extinguishing chamber 1, and the arc-shaped grooves 13 are uniformly distributed at the front end of the arc-extinguishing chamber 1; the arc-shaped groove 13 is semicircular, and the inner diameter of the arc-shaped groove 13 is not more than half of the inner diameter of the front end of the arc-extinguishing chamber 1.
The connecting part of the arc-extinguishing chamber 1 and the arc-extinguishing chamber mounting seat 2 is processed into a structure with external threads 11, the corresponding connecting inner cavity of the arc-extinguishing chamber mounting seat 2 is processed into a structure with internal threads 21, the external threads 11 with the thread pitch of P mm are matched and connected with the internal threads 21, the arc-extinguishing chamber 1 is screwed into the arc-extinguishing chamber mounting seat 2 during installation, and the arc-extinguishing chamber 1 is locked by two symmetrical small jackscrews 3 on the arc-extinguishing chamber mounting seat 2.
When the arc-extinguishing cover mounting structure is assembled, firstly, plastic material parts 4 with the same diameter are embedded into the jackscrew holes 23 on the arc-extinguishing cover mounting base 2, and then jackscrews 3 are mounted; after the arc-extinguishing chamber 1 screw in arc-extinguishing chamber mount pad 2 is installed and positioned, tightly go up jackscrew 3, plastic material spare 4 because better plastic deformation for can lock arc-extinguishing chamber 1 and can not lead to the fact the damage to external screw thread 11 on the arc-extinguishing chamber 1 when jackscrew 3 fastens, this plastic material spare 4 radially takes place in deformation embedding jackscrew hole 23 and the external screw thread 11 simultaneously, can not drop. The arc extinguishing chamber mounting structure can conveniently, quickly and accurately adjust the arc discharge distance, loosen the fastened jackscrew 3, and rotate the arc extinguishing chamber 1 forward and backward by a scale, so that the arc discharge distance is reduced or increased by P/N millimeters.
The above embodiments are only for illustrating the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and any modification made on the basis of the technical scheme according to the technical idea proposed by the present invention falls within the protection scope of the present invention; the technology not related to the invention can be realized by the prior art.
Claims (10)
1. The utility model provides an arc extinguishing chamber mounting structure for drawing handheld stud welder of arc formula, includes arc extinguishing chamber (1) and arc extinguishing chamber mount pad (2), its characterized in that: the outer surface of the arc-extinguishing chamber (1) is provided with external threads (11), the joint of the inner cavity of the arc-extinguishing chamber mounting seat (2) and the arc-extinguishing chamber (1) is provided with internal threads (21) corresponding to the external threads (11), and the arc-extinguishing chamber (1) and the arc-extinguishing chamber mounting seat (2) are connected through threads.
2. The arc chute mounting structure for a drawn arc hand stud gun according to claim 1, wherein: the outer surface of the arc-extinguishing chamber (1) is provided with N scale marks (12) equally divided along the circumference, and the end face of the arc-extinguishing chamber mounting seat (2) is provided with a reference line (22) capable of corresponding to the scale marks (12).
3. The arc chute mounting structure for a drawn arc hand stud gun according to claim 2, wherein: the scale marks (12) are arranged along the axial direction of the arc extinguishing chamber (1).
4. The arc chute mounting structure for a drawn arc hand stud gun according to claim 1 or 2, characterized in that: the arc-extinguishing chamber mounting seat (2) is provided with a jackscrew hole (23) which is located in the internal thread (21) area and penetrates through the arc-extinguishing chamber mounting seat (2), and a jackscrew (3) screwed into the jackscrew hole (23) fixes the arc-extinguishing chamber (1) in the internal thread (21) area of the arc-extinguishing chamber mounting seat (2).
5. The arc chute mounting structure for a drawn arc hand stud gun according to claim 4, wherein: the symmetrically arranged jackscrew holes (23) are arranged along the radial direction of the arc extinguishing cover mounting seat (2).
6. The arc chute mounting structure for a drawn arc hand stud gun according to claim 4, wherein: a plastic material piece (4) is embedded at the inner port of the jackscrew hole (23), and the plastic material piece (4) can be embedded into the internal thread (21) and is used for isolating the direct contact between the internal thread (21) and the front end of the jackscrew (3).
7. The arc chute mounting structure for a drawn arc hand stud gun according to claim 6 wherein: the diameter of the plastic material piece (4) is the same as the inner diameter of the jackscrew hole (23).
8. The arc chute mounting structure for a drawn arc hand stud gun according to claim 4, wherein: the jackscrew (3) adopts a plastic head jackscrew.
9. The arc chute mounting structure for a drawn arc hand stud gun according to claim 1, wherein: the front end of the arc extinguishing chamber (1) is provided with an arc-shaped groove (13), and the arc-shaped grooves (13) are uniformly distributed at the front end of the arc extinguishing chamber (1).
10. The arc chute mounting structure for a drawn arc hand stud gun according to claim 9 wherein: the arc-shaped groove (13) is semicircular, and the inner diameter of the arc-shaped groove (13) is not more than half of the inner diameter of the front end of the arc-extinguishing chamber (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115144.3A CN112059382A (en) | 2020-10-19 | 2020-10-19 | Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011115144.3A CN112059382A (en) | 2020-10-19 | 2020-10-19 | Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112059382A true CN112059382A (en) | 2020-12-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011115144.3A Pending CN112059382A (en) | 2020-10-19 | 2020-10-19 | Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun |
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| CN (1) | CN112059382A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7503973U (en) * | 1975-02-10 | 1976-12-02 | Hilti Ag, Schaan (Liechtenstein) | Stud welding gun |
| JP2006346710A (en) * | 2005-06-16 | 2006-12-28 | Daido Kogyo Kk | Stud welding gun |
| US20090026187A1 (en) * | 2007-07-27 | 2009-01-29 | Blake Hobson | Stud Welding Tool Adjustment Mechanisms |
| CN102248268A (en) * | 2011-06-29 | 2011-11-23 | 张家港市安捷探伤焊割设备修造厂 | Drawn-arc stud welding gun |
| CN108372347A (en) * | 2018-02-26 | 2018-08-07 | 安徽华生机电设备有限公司 | A kind of drawn-arc stud welding gun detachable handle |
| CN110848234A (en) * | 2019-11-13 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Locking mechanism |
| CN213033870U (en) * | 2020-10-19 | 2021-04-23 | 南京奥源科技实业有限公司 | Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun |
-
2020
- 2020-10-19 CN CN202011115144.3A patent/CN112059382A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE7503973U (en) * | 1975-02-10 | 1976-12-02 | Hilti Ag, Schaan (Liechtenstein) | Stud welding gun |
| JP2006346710A (en) * | 2005-06-16 | 2006-12-28 | Daido Kogyo Kk | Stud welding gun |
| US20090026187A1 (en) * | 2007-07-27 | 2009-01-29 | Blake Hobson | Stud Welding Tool Adjustment Mechanisms |
| CN102248268A (en) * | 2011-06-29 | 2011-11-23 | 张家港市安捷探伤焊割设备修造厂 | Drawn-arc stud welding gun |
| CN108372347A (en) * | 2018-02-26 | 2018-08-07 | 安徽华生机电设备有限公司 | A kind of drawn-arc stud welding gun detachable handle |
| CN110848234A (en) * | 2019-11-13 | 2020-02-28 | 中国科学院西安光学精密机械研究所 | Locking mechanism |
| CN213033870U (en) * | 2020-10-19 | 2021-04-23 | 南京奥源科技实业有限公司 | Arc extinguishing chamber mounting structure for arc-drawing type handheld stud welding gun |
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