CN211840546U - Clamping device for variable-diameter stud welding nail of stud welding machine - Google Patents
Clamping device for variable-diameter stud welding nail of stud welding machine Download PDFInfo
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- CN211840546U CN211840546U CN201922003208.XU CN201922003208U CN211840546U CN 211840546 U CN211840546 U CN 211840546U CN 201922003208 U CN201922003208 U CN 201922003208U CN 211840546 U CN211840546 U CN 211840546U
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- stud welding
- fixture block
- chuck body
- variable
- clamping device
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Abstract
The utility model discloses a clamping device for variable-diameter stud welding nails of stud welding machines, which comprises a chuck body, wherein the top of the chuck body is provided with a body end surface, the center of the top of the chuck body is provided with a stud welding nail positioning hole, four fixture block chutes are symmetrically arranged around the stud welding nail positioning hole, the fixture block chutes are arranged on the body end surface, the lower parts of the fixture block chutes are provided with screws for fixing a lead screw, the internal thread of a cavity of the fixture block chute is meshed with the lead screw, and the outer end surface of the lead screw is provided with a square transmission hole. The cost is saved, and the simplicity, the rapidity and the economy in the using process are ensured.
Description
Technical Field
The utility model relates to a clamping device technical field of variable diameter double-screw bolt welding nail of double-screw bolt welding machine specifically is a clamping device that is used for variable diameter double-screw bolt welding nail of double-screw bolt welding machine.
Background
The basic principle of stud welding is to discharge and ignite an electric arc between a stud welding nail to be welded and a workpiece, and when the stud and the workpiece are heated to the metal melting point temperature, the stud welding nail is pressed into a local molten pool on the surface of the workpiece under the action of an external force to form a joint. Stud welding technology is now widely used in many fields. Compared with other welding methods, stud welding has good economical efficiency and unique technical advantages in steel structure buildings, bridges, towers, locomotive skins and other thin-wall welding structures. The stud welding method does not need the steps of drilling, threading, riveting, screwing, finishing and the like, so that the welding procedure is greatly simplified. The stud welding process has short time, small formed molten pool, no great welding deformation and no need of finishing.
However, as the stud welding often changes the stud welding nails with different diameters due to different scenes, which puts higher requirements on the clamping device for clamping the stud welding nails by the stud welding gun, it is very necessary to develop a clamping device for variable-diameter stud welding nails of the stud welding machine.
The existing clamping device for the stud welding nail generally can only be a clamp corresponding to the stud welding nail with one diameter, and due to different welding requirements, the clamp on a welding gun needs to be frequently replaced, so that the working efficiency is greatly reduced, and certain potential safety hazards exist, and therefore the design can not meet the requirements of people on the product at present.
Therefore, how to design a clamping device for a variable-diameter stud welding nail of a stud welding machine becomes a problem to be solved currently.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a clamping device for variable diameter stud welding nail of stud welding machine to solve the problem that provides among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a clamping device that is used for variable diameter double-screw bolt welding nail of double-screw bolt welding machine, includes the chuck body, chuck body top is equipped with the body terminal surface, chuck body top central authorities are equipped with double-screw bolt welding nail locating hole, double-screw bolt welding nail locating hole symmetry all around is equipped with four fixture block spouts, just the fixture block spout is seted up on the body terminal surface, fixture block spout lower part all is equipped with the big screw of fixation screw rod, just fixture block spout cavity internal thread meshes with the lead screw, lead screw outside terminal surface is equipped with square transmission hole, lead screw surface threaded connection fixture block carries out radial sliding, just the fixture block is perpendicular with double-screw bolt welding nail locating hole, chuck body bottom symmetry is equipped with four mounting holes, just the mounting hole next-door.
Furthermore, the chuck body is designed to be a cylinder, and the round edge of the chuck body is arranged by a round angle.
Furthermore, the stud welding nail positioning hole vertically penetrates to the bottom along the central axis of the chuck body, and the diameter of the stud welding nail positioning hole is 20 mm.
Furthermore, four fixture block sliding grooves are symmetrically distributed on the end face of the chuck body along the radial direction, the screw rod is connected with the fixture block in a threaded mode, and the bottom of the fixture block is sunk into the fixture block sliding grooves.
Furthermore, the fixture block is of a stepped structure, a thread is arranged at the clamping end of the fixture block, the fixture block is rotatably connected with the screw rod through the thread, and the clamping range of the fixture block is set to be 1-22 mm.
Furthermore, the lead screw is inlaid in the sliding groove of the clamping block and is of an integral structure with the clamping chuck body.
Furthermore, the end face of the screw rod, which is positioned on the outer side of the chuck body, is provided with a square transmission hole.
Furthermore, one end of a large screw for fixing the screw rod is semicircular, and two small screws are arranged at the outer end of the large screw.
Furthermore, a concave slideway structure corresponding to the upper edge key of the sliding groove of the clamping block is arranged at the lower edge of the clamping block.
Furthermore, the edge of the bottom of the chuck body is provided with a flange.
Compared with the prior art, the beneficial effects of the utility model are that: the variable-diameter stud welding nail mechanism for the stud welding machine is simple in structure, stable and reliable, simple and convenient to operate, convenient to use and capable of being installed on different devices, and greatly improves the working efficiency of welding according to the flexible clamping range of the diameter of the stud welding nail to be welded, and the variable-diameter stud welding nail mechanism is high in applicability, safe and reliable. Through the arranged mounting holes, the chuck body can be conveniently connected with different devices, the universality is strong, and the use cost is reduced; the clamping range is adjusted by controlling the movement of the clamping block through the rotation of the square transmission hole, so that the device can be suitable for stud welding nails with different diameters, and the applicability is improved; through setting up the fixture block of mutual symmetry, can effectively press from both sides and treat welding stud welding nail, improved the stability and the security of centre gripping, so this kind of clamping device who is used for variable diameter stud welding nail of stud welding machine has wide application market.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the vertical cross-section structure of the present invention;
fig. 3 is a schematic bottom structure of the present invention;
reference numbers in the figures: 1. a chuck body; 2. mounting holes; 3. a fixture block chute; 4. a body end face; 5. a clamping block; 6. a screw rod; 7. a thread; 8. stud welding nail positioning holes; 9. a screw rod positioning hole; 10. a square transmission hole; 11. a large screw.
Detailed Description
The preferred embodiments of the present invention will be described with reference to the accompanying drawings, and it is to be understood that the preferred embodiments described herein are merely for purposes of illustration and understanding, and are not intended to limit the invention.
Example 1
Referring to fig. 1-3, the present invention provides a technical solution: a clamping device for a variable-diameter stud welding nail for a stud welding machine comprises a chuck body 1, wherein a body end face 4 is arranged at the top of the chuck body 1, a stud welding nail positioning hole 8 is arranged in the center of the top of the chuck body 1, four fixture block chutes 3 are symmetrically arranged around the stud welding nail positioning hole 8, the fixture block chutes 3 are arranged on the body end face 4, large screws 11 for fixing a screw 6 are arranged at the lower parts of the fixture block chutes 3, the screw 6 is arranged on the chuck body 1 and is of an integral structure with the inside of the fixture block chutes 3, the cavity internal threads of the fixture block chutes 3 are meshed with the screw 6, square transmission holes 10 are arranged on the outer end face of the screw 6, the surface of the screw 6 is in threaded connection with a fixture block 5 for radial sliding, the fixture block 5 is vertical to the stud welding nail positioning hole 8, four mounting holes 2 are symmetrically arranged at the bottom of the chuck body 1, and the, the above constitutes the basic structure of the present invention.
More specifically, the chuck body 1 is of a cylindrical structure, and the round edges of the chuck body 1 are arranged in a round angle, so that the chuck is simple in structure, high in safety and easy to install; the stud welding nail positioning hole 8 vertically penetrates to the bottom along the central axis of the chuck body 1, and the diameter of the stud welding nail positioning hole 8 is 20 mm. The outer side of the end face of the stud welding nail positioning hole 8 is communicated with the fixture block sliding groove 3, and an upper edge key of the fixture block sliding groove 3 and a sliding way recessed from the lower edge of the fixture block 5 form an integral structure, so that the sliding block can easily keep radial and stable sliding in the moving process; 6 outside terminal surface of lead screw is equipped with square transmission hole 10, and the square transmission hole 10 of accessible adjusts fixture block 5 and provides location and centre gripping space, fixture block 5 is the ladder shape, and other weldment and the centre gripping scope of treating except that the double-screw bolt welding nail is great easily the centre gripping, fixture block 5 is equipped with screw thread 7 with centre gripping stud welding nail tip for clamping state is more stable and has the guard action to the holder, 1 bottom symmetry of chuck body is equipped with four mounting holes 2, can be with this mechanism erection joint in different equipment, has improved the commonality of mechanism.
The utility model discloses improve in: when the clamping device for the variable-diameter stud welding nail for the stud welding machine is used, the mechanism is connected to a stud welding gun through four mounting holes 2 symmetrically arranged at the lower part of a chuck body 1, the stud welding nail to be welded is arranged at the central position of a stud welding nail positioning hole 8, a square wrench is inserted into a square transmission hole 10 on the end surface of the outer side of a screw rod 6, the screw rod 6 is screwed one by one to drive a clamping block 5 to slide along the radial direction until the clamping block is contacted with the stud welding nail to be welded, the stud welding nail to be welded is kept at the axial central position of the stud welding nail positioning hole 8, one end of the stud welding nail is contacted with the surface of a plate, electric arc striking is carried out, after the contact surface is melted, welding is finished under certain pressure for the stud welding nail, when the stud welding nail with different diameters is welded next time, the transmission hole at the end of the screw rod 6 is screwed through the square wrench, the clamping block 5 is further driven to move, the square wrench is used for screwing the transmission hole at the outer side end of the screw rod 6, so that the fixture block 5 is driven to move inwards to clamp the stud welding nail, and the stud welding nail with different diameters can be clamped without replacing a stud welding gun fixture for welding.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing examples, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a clamping device that is used for variable diameter stud welding nail of stud welding machine, includes chuck body (1), its characterized in that: the center of the top of the chuck body (1) is provided with a stud welding nail positioning hole (8), the top of the chuck body (1) is provided with a body end surface (4), four fixture block sliding grooves (3) are symmetrically arranged on the periphery of the stud welding nail positioning hole (8), the fixture block sliding groove (3) is arranged on the body end surface (4), the lower part of the fixture block sliding groove (3) is provided with a big screw (11) for fixing the screw rod (6), and the inner thread of the cavity of the fixture block chute (3) is meshed with the screw rod (6), the outer side end face of the screw rod (6) is provided with a square transmission hole (10), the surface of the screw rod (6) is in threaded connection with the fixture block (5) to slide in the radial direction, the clamping block (5) is perpendicular to the stud welding nail positioning hole (8), four mounting holes (2) are symmetrically formed in the bottom of the chuck body (1), and the mounting holes (2) are close to the screw rod positioning hole (9).
2. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the chuck body (1) is of a cylindrical structure, and the round edge of the chuck body (1) is arranged in a round angle mode.
3. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the stud welding nail positioning hole (8) vertically penetrates to the bottom along the central axis of the chuck body (1), and the diameter of the stud welding nail positioning hole (8) is 20 mm.
4. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: and four fixture block sliding grooves (3) are symmetrically distributed on the end face (4) of the chuck body (1) along the radial direction, the screw rod (6) is connected with the fixture block (5) in a threaded manner, and the bottom of the fixture block (5) is sunk into the fixture block sliding grooves (3).
5. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the fixture block (5) is of a stepped structure, threads (7) are arranged at the clamping end of the fixture block (5), the fixture block is rotatably connected with the screw rod (6) through the threads (7), and the clamping range of the fixture block (5) is set to be 1-22 mm.
6. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the screw rod (6) is arranged on the chuck body (1) and is of an integrated structure with the inside of the fixture block sliding groove (3).
7. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the end face of the screw rod (6) located on the outer side of the chuck body (1) is provided with a square transmission hole (10).
8. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: one end of a large screw (11) for fixing the screw rod (6) is semicircular, and two small screws are arranged at the outer end of the large screw (11).
9. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: and a concave slideway structure corresponding to the upper edge key of the fixture block sliding groove (3) is arranged at the lower edge of the fixture block (5).
10. The clamping device for the variable-diameter stud welding nail of the stud welding machine according to claim 1, characterized in that: the edge of the bottom of the chuck body (1) is provided with a flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003208.XU CN211840546U (en) | 2019-11-19 | 2019-11-19 | Clamping device for variable-diameter stud welding nail of stud welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922003208.XU CN211840546U (en) | 2019-11-19 | 2019-11-19 | Clamping device for variable-diameter stud welding nail of stud welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211840546U true CN211840546U (en) | 2020-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922003208.XU Expired - Fee Related CN211840546U (en) | 2019-11-19 | 2019-11-19 | Clamping device for variable-diameter stud welding nail of stud welding machine |
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|---|---|
| CN (1) | CN211840546U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125472A (en) * | 2021-03-24 | 2022-09-30 | 兰州交通大学 | Method for spraying aluminum metal layer on surface of copper plate based on stud welding |
-
2019
- 2019-11-19 CN CN201922003208.XU patent/CN211840546U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115125472A (en) * | 2021-03-24 | 2022-09-30 | 兰州交通大学 | Method for spraying aluminum metal layer on surface of copper plate based on stud welding |
| CN115125472B (en) * | 2021-03-24 | 2024-01-26 | 兰州交通大学 | Method for spraying aluminum metal layer on surface of copper plate based on stud welding |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 Termination date: 20211119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |