CN112935350A - Spot welding drill bit structure - Google Patents
Spot welding drill bit structure Download PDFInfo
- Publication number
- CN112935350A CN112935350A CN201911170529.7A CN201911170529A CN112935350A CN 112935350 A CN112935350 A CN 112935350A CN 201911170529 A CN201911170529 A CN 201911170529A CN 112935350 A CN112935350 A CN 112935350A
- Authority
- CN
- China
- Prior art keywords
- drill bit
- spot welding
- clamping column
- head
- thimble
- 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.)
- Pending
Links
- 238000003466 welding Methods 0.000 title claims abstract description 76
- 238000005553 drilling Methods 0.000 claims abstract description 18
- 230000008602 contraction Effects 0.000 claims abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 5
- 230000002349 favourable effect Effects 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B51/00—Tools for drilling machines
- B23B51/04—Drills for trepanning
- B23B51/05—Drills for trepanning for cutting discs from sheet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B2251/00—Details of tools for drilling machines
- B23B2251/24—Overall form of drilling tools
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The invention discloses a spot welding drill bit structure which comprises a clamping column and a drilling piece, wherein one end of the clamping column is provided with a threaded head, contraction grooves are formed in the threaded head and the clamping column, a spring is arranged in each contraction groove, the outer end of the spring is connected with a thimble, a first bearing is arranged in the threaded head, the outer wall of the tail end of the spring is connected with a second bearing, and the drilling piece wraps the outer wall of the threaded head. The outer opening size of the first drill bit and the second drill bit of the spot welding drill bit structure is matched with the outer opening size of a spot welding head of a spot welding machine, the outer opening size larger than the spot welding head can be used for clamping the tail end of the clamping column in electric drill equipment, the clamping column is driven through an electric drill to enable the first drill bit and the second drill bit to rotate, so that a workpiece spot welding contact point is disassembled, the spot welding contact point is favorably and completely removed, the workpiece spot welding machine is convenient to disassemble for the workpiece spot welding in the previous time, large-area damage can not be caused to the surface of the workpiece, and later-stage repair is facilitated.
Description
Technical Field
The invention relates to the technical field of automobile metal plate repair, in particular to a spot welding drill bit structure.
Background
The welding of the prior automobile metal plate and various metal plate equipment products basically adopts a spot welding machine to realize welding operation, spot welding refers to a welding method of forming a welding spot between the contact surfaces of two overlapped workpieces by using a columnar electrode during welding, during spot welding, the workpieces are pressed to be in close contact with each other firstly, then current is switched on, the contact part of the workpieces is melted under the action of resistance heat, and the welding spot is formed after cooling.
When carrying out secondary and wrenching spot welding or wrenching equipment product dismantlement, need earlier disassemble the work piece of the previous time earlier can, adopt fluted drill or abrasive wheel cutting to disassemble basically, fluted drill volume is narrow and small, can not get rid of the spot welding contact between the work piece completely, leads to the work piece to appear because of disassembling the condition that thoroughly can't take off, and abrasive wheel cutting can lead to the work piece large tracts of land damage, restores the difficulty, to above-mentioned condition, we have promoted a spot welding drill structure.
Disclosure of Invention
The invention aims to provide a spot welding drill structure, which aims to solve the problems that when the prior art is put forward to carry out secondary metal-pulling spot welding or metal-pulling equipment product disassembly, a previous workpiece needs to be disassembled firstly, and the disassembly is carried out by basically adopting a twist drill or a grinding wheel to cut, the twist drill has small volume, can not completely remove spot welding contacts between the workpieces, can cause the workpieces to be incapable of being disassembled, and can cause large-area damage to the workpieces and difficult repair due to grinding wheel cutting.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a spot welding drill bit structure, includes centre gripping post and drilling piece, centre gripping post one end is provided with the thread head, the shrink groove has been seted up with centre gripping post inside to the thread head, the shrink inslot portion is provided with the spring, and the spring outer end is connected with the thimble, the inside first bearing that is provided with of thread head, the terminal outer wall connection of spring has the second bearing, drilling piece wraps up in the thread head outer wall.
Preferably, the central axis of the clamping column and the central axis of the threaded head are located on the same horizontal line, and the clamping column and the threaded head are in a welding integrated structure.
Preferably, the central axis of the shrinkage groove and the central axis of the clamping column are located on the same horizontal line, and the clamping column is of a hexagonal structure.
Preferably, the thimble passes through the shrinkage groove and constitutes limit structure, and the thimble passes through to constitute extending structure between spring and the centre gripping post.
Preferably, the outer wall of the thimble is attached to the inner wall of the first bearing, and the thimble is in a conical structure.
Preferably, drilling piece parcel screwed pipe, first drill bit, second drill bit and sawtooth, and screwed pipe one end is connected with first drill bit, the screwed pipe other end is connected with the second drill bit, and the sawtooth has all been seted up in the second drill bit and the first drill bit outside.
Preferably, the threaded pipe is connected with the threaded head in a threaded manner, and the first drill bit and the second drill bit are symmetrically distributed about a vertical center line of the threaded pipe.
Preferably, the sawteeth on the outer side of the first drill bit and the sawteeth on the outer side of the second drill bit are distributed oppositely, and the size of the inner opening of the first drill bit is larger than that of the outer opening of the screw head.
Compared with the prior art, the invention has the beneficial effects that: the outer opening size of the first drill bit and the second drill bit of the spot welding drill bit structure is matched with the outer opening size of a spot welding head of a spot welding machine, the outer opening size larger than the spot welding head can be used for clamping the tail end of the clamping column in electric drill equipment, the electric drill drives the clamping column to enable the first drill bit and the second drill bit to rotate, so that a workpiece spot welding contact is disassembled, the spot welding contact is favorably and completely removed, large-area damage to the surface of a workpiece can be avoided, and later-stage repair is facilitated.
This spot welding drill bit structure first drill bit, second drill bit distribute in screwed pipe both sides respectively, and the sawtooth in the first drill bit outside distributes in opposite directions with the sawtooth in the second drill bit outside, has two drill bits on being equivalent to a drilling rod, is favorable to improving the life of this spot welding drill bit structure to drilling member and the connected mode between the thread head are threaded connection, make things convenient for the later stage to change.
This spot welding drill bit structure thimble supports spot welding contact center, has played the positioning action, and thimble outer wall is connected with first bearing, and spring end outer wall is connected with the second bearing, and thimble, spring pass through first bearing, second bearing and keep static when centre gripping post pivoted, are favorable to improving the accuracy when this spot welding drill bit structure disassembles spot welding contact to it itself is the hexagonal column structure and makes things convenient for electric drill equipment to press from both sides the dress fixed to hold.
Drawings
FIG. 1 is a schematic top view of the present invention;
FIG. 2 is a schematic top view of the internal structure of the clamping column of the present invention;
FIG. 3 is a schematic view of a thimble according to the present invention.
In the figure: 1. a clamping post; 2. a screw head; 3. a contraction groove; 4. a spring; 5. a thimble; 6. a first bearing; 7. a second bearing; 8. drilling a piece; 801. a threaded pipe; 802. a first drill bit; 803. a second drill bit; 804. and (4) saw teeth.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a spot welding drill bit structure comprises a clamping column 1 and a drilling part 8, wherein a threaded head 2 is arranged at one end of the clamping column 1, the central axis of the clamping column 1 and the central axis of the threaded head 2 are located on the same horizontal line, a welding integrated structure is formed between the clamping column 1 and the threaded head 2, the central axis of the clamping column 1 and the central axis of the threaded head 2 are located on the same horizontal line, so that the spot welding drill bit structure is in the same horizontal line, the accuracy of the drill bit during operation is improved, the bearing pressure of the clamping column 1 and the threaded head 2 is improved due to the welding integrated structure between the clamping column 1 and the threaded head 2, and the clamping column 1 and the threaded head 2 are prevented from being broken;
the inner parts of the threaded head 2 and the clamping column 1 are provided with a shrinkage groove 3, the central axis of the shrinkage groove 3 and the central axis of the clamping column 1 are positioned on the same horizontal line, the clamping column 1 is of a hexagonal structure, the tail end of the clamping column 1 is clamped in electric drill equipment, the electric drill drives the clamping column 1 to enable the spot welding drill bit structure to operate, and the clamping column 1 is of a hexagonal structure, so that the electric drill equipment can be conveniently clamped and fixed;
a spring 4 is arranged in the shrinkage groove 3, the outer end of the spring 4 is connected with a thimble 5, the thimble 5 forms a limiting structure through the shrinkage groove 3, the thimble 5 forms a telescopic structure through the spring 4 and the clamping column 1, the thimble 5 props against the center of the spot welding contact to play a role in positioning, when the spot welding drill bit structure works, the thimble 5 props against the center of the spot welding contact to be influenced by pressure to compress the spring 4 to enter the shrinkage groove 3, so that the accuracy of the spot welding drill bit structure in the process of disassembling the spot welding contact is improved, the thimble 5 stretches along the inner wall of the shrinkage groove 3, and the shrinkage groove 3 is favorable for limiting the thimble 5 and preventing the thimble 5 from inclining;
a first bearing 6 is arranged in the threaded head 2, the outer wall of the tail end of the spring 4 is connected with a second bearing 7, the outer wall of the ejector pin 5 is attached to the inner wall of the first bearing 6, the ejector pin 5 is in a conical structure, the outer wall of the ejector pin 5 is connected with the first bearing 6, the outer wall of the tail end of the spring 4 is connected with the second bearing 7, the ejector pin 5 and the spring 4 are kept static through the first bearing 6 and the second bearing 7 when the clamping column 1 rotates, the positioning effect of the ejector pin 5 is improved, and the ejector pin 5 is in a conical structure and is beneficial to accurate positioning;
the drilling member 8 is wrapped on the outer wall of the threaded head 2, the drilling member 8 is wrapped on the threaded pipe 801, the first drill bit 802, the second drill bit 803 and the sawteeth 804, one end of the threaded pipe 801 is connected with the first drill bit 802, the other end of the threaded pipe 801 is connected with the second drill bit 803, the sawteeth 804 are arranged on the outer sides of the second drill bit 803 and the first drill bit 802, the threaded pipe 801 is in threaded connection with the threaded head 2, the first drill bit 802 and the second drill bit 803 are symmetrically distributed about the vertical center line of the threaded pipe 801, the sawteeth 804 on the outer side of the first drill bit 802 and the sawteeth 804 on the outer side of the second drill bit 803 are oppositely distributed, the size of an inner opening of the first drill bit 802 is larger than that of an outer opening of the threaded head 2, the sizes of outer openings of the first drill bit 802 and the second drill bit 803 are matched with that of an outer opening of a spot welding machine, the size of the outer opening of the spot welding head is larger than that, be favorable to getting rid of the spot welding contact point completely, and can not cause the large tracts of land damage to the workpiece surface, make things convenient for the later stage to restore, and first drill bit 802, second drill bit 803 distributes respectively in screwed pipe 801 both sides, and the sawtooth 804 in the outside of first drill bit 802 and the sawtooth 804 in the outside of second drill bit 803 distribute in opposite directions, there are two drill bits on being equivalent to a drilling rod, be favorable to improving the life of this spot welding drill bit structure, and the connected mode between drilling 8 and the nipple 2 is threaded connection, make things convenient for the later stage to change.
The working principle is as follows: when the spot welding drill bit structure is used, firstly, a drilling piece 8 is in threaded connection with a threaded head 2, then the tail end of a clamping column 1 is clamped in electric drill equipment, then an ejector pin 5 is abutted against the center of a spot welding contact to play a role in positioning, then the electric drill drives the clamping column 1 to enable a first drill bit 802 and a second drill bit 803 to rotate so as to enable a sawtooth 804 to cut the surface of the spot welding contact, thereby disassembling the spot welding contact of a workpiece, being beneficial to completely removing the spot welding contact, not causing large-area damage to the surface of the workpiece, being convenient for later repair, when the first drill bit 802 and the second drill bit 803 drill holes in the spot welding contact of the workpiece, the ejector pin 5 is abutted against the center of the spot welding contact and is influenced by pressure to enter a contraction groove 3, being beneficial to improving the accuracy of the spot welding drill bit structure when the spot welding contact is disassembled, and the ejector pin 5 stretches out, shrinkage cavity 3 is favorable to spacing thimble 5, avoid it to produce the slope, and thimble 5 outer wall connection has first bearing 6, and spring 4 end outer wall connection has second bearing 7, thimble 5 in centre gripping post 1 pivoted, spring 4 is through first bearing 6, second bearing 7 keeps static, be favorable to improving the accuracy when this spot welding drill bit structure is disassembled spot welding contact point, last first drill bit 802, second drill bit 803 distributes respectively in screwed pipe 801 both sides, and the sawtooth 804 in the first drill bit 802 outside distributes with the sawtooth 804 in the second drill bit 803 outside in opposite directions, be equivalent to two drill bits on a drilling rod, be favorable to improving the life of this spot welding drill bit structure.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A spot welding drill bit structure, includes centre gripping post (1) and drilling piece (8), its characterized in that: centre gripping post (1) one end is provided with thread head (2), shrink groove (3) have been seted up with centre gripping post (1) is inside to thread head (2), shrink groove (3) inside is provided with spring (4), and spring (4) outer end is connected with thimble (5), thread head (2) inside is provided with first bearing (6), spring (4) end outer wall connection has second bearing (7), drilling piece (8) wrap up in thread head (2) outer wall.
2. A spot welding drill bit structure according to claim 1, wherein: the central axis of the clamping column (1) and the central axis of the threaded head (2) are located on the same horizontal line, and a welding integrated structure is formed between the clamping column (1) and the threaded head (2).
3. A spot welding drill bit structure according to claim 1, wherein: the central axis of the shrinkage groove (3) and the central axis of the clamping column (1) are located on the same horizontal line, and the clamping column (1) is of a hexagonal structure.
4. A spot welding drill bit structure according to claim 1, wherein: the thimble (5) forms a limiting structure through the contraction groove (3), and the thimble (5) forms a telescopic structure through the spring (4) and the clamping column (1).
5. A spot welding drill bit structure according to claim 1, wherein: the outer wall of the thimble (5) is attached to the inner wall of the first bearing (6), and the thimble (5) is in a conical structure.
6. A spot welding drill bit structure according to claim 1, wherein: drilling piece (8) parcel screwed pipe (801), first drill bit (802), second drill bit (803) and sawtooth (804), and screwed pipe (801) one end is connected with first drill bit (802), screwed pipe (801) other end is connected with second drill bit (803), and sawtooth (804) have all been seted up in second drill bit (803) and first drill bit (802) outside.
7. A spot welding drill bit structure according to claim 6, wherein: the threaded pipe (801) and the threaded head (2) are connected in a threaded mode, and the first drill bit (802) and the second drill bit (803) are symmetrically distributed around the vertical center line of the threaded pipe (801).
8. A spot welding drill bit structure according to claim 6, wherein: the sawteeth (804) on the outer side of the first drill bit (802) and the sawteeth (804) on the outer side of the second drill bit (803) are distributed oppositely, and the size of the inner opening of the first drill bit (802) is larger than that of the outer opening of the threaded head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170529.7A CN112935350A (en) | 2019-11-26 | 2019-11-26 | Spot welding drill bit structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911170529.7A CN112935350A (en) | 2019-11-26 | 2019-11-26 | Spot welding drill bit structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112935350A true CN112935350A (en) | 2021-06-11 |
Family
ID=76224944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911170529.7A Pending CN112935350A (en) | 2019-11-26 | 2019-11-26 | Spot welding drill bit structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112935350A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798660A (en) * | 2021-10-08 | 2021-12-17 | 华工法利莱切焊***工程有限公司 | Laser beam incident angle measuring tool and laser beam incident angle adjusting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1365660A (en) * | 1918-03-08 | 1921-01-18 | Collier Arthur | Bit and like boring-tool |
| CN2749606Y (en) * | 2004-11-22 | 2006-01-04 | 上海华灵工具厂 | Hole making drill |
| TWI277472B (en) * | 2005-11-09 | 2007-04-01 | Kou Sheng Feng Co Ltd | Positioning mechanism with central damping for hole saw |
| CN103302354A (en) * | 2013-06-07 | 2013-09-18 | 常州能源设备总厂有限公司 | Saw drill for processing hole in arc surface |
| CN210937309U (en) * | 2019-11-26 | 2020-07-07 | 左国文 | Spot welding drill bit structure |
-
2019
- 2019-11-26 CN CN201911170529.7A patent/CN112935350A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1365660A (en) * | 1918-03-08 | 1921-01-18 | Collier Arthur | Bit and like boring-tool |
| CN2749606Y (en) * | 2004-11-22 | 2006-01-04 | 上海华灵工具厂 | Hole making drill |
| TWI277472B (en) * | 2005-11-09 | 2007-04-01 | Kou Sheng Feng Co Ltd | Positioning mechanism with central damping for hole saw |
| CN103302354A (en) * | 2013-06-07 | 2013-09-18 | 常州能源设备总厂有限公司 | Saw drill for processing hole in arc surface |
| CN210937309U (en) * | 2019-11-26 | 2020-07-07 | 左国文 | Spot welding drill bit structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113798660A (en) * | 2021-10-08 | 2021-12-17 | 华工法利莱切焊***工程有限公司 | Laser beam incident angle measuring tool and laser beam incident angle adjusting method |
| CN113798660B (en) * | 2021-10-08 | 2024-02-20 | 华工法利莱切焊***工程有限公司 | Laser beam incidence angle measuring tool and laser beam incidence angle adjusting method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207358298U (en) | Fixture for Gear-shaving is positioned for gear gapless | |
| CN209175196U (en) | A kind of auxiliary welding equipment | |
| CN210937309U (en) | Spot welding drill bit structure | |
| CN112935350A (en) | Spot welding drill bit structure | |
| CN207431736U (en) | cubic boron nitride cutting tool | |
| CN204504640U (en) | Plug adjustable welding fixture | |
| CN207668350U (en) | Draw molding machine | |
| CN203495863U (en) | Special tool for disassembling X-shaped servo welding gun holding rod | |
| CN212793792U (en) | Ultra-thin copper pipe welding set | |
| CN210413464U (en) | Novel traceless threading machine | |
| CN105414673B (en) | A kind of double roller High-precision high-frequency welded pipe lining inner burr removing apparatus | |
| CN210254036U (en) | Clamping device of spring core cutter | |
| CN212647076U (en) | Integrated pneumatic crimping machine for processing jumper wire of communication optical cable | |
| CN110961819A (en) | Welding machine suitable for tubular product production and processing | |
| CN203863276U (en) | Auxiliary welding device | |
| CN204504969U (en) | A kind of small building pipe cutting machine | |
| CN215090770U (en) | Concentric circle processing flexible clamping jaw | |
| CN208033846U (en) | A kind of crowded tooth screw tap of novel long-life multipurpose | |
| CN211101879U (en) | Cutting saw for cutting metal pipe | |
| CN204018901U (en) | A kind of device that clamps microcapillary electrode | |
| CN211589369U (en) | Material supporting frame for die | |
| CN221389202U (en) | Removing tool for bolt processing end connecting column | |
| CN209867644U (en) | Cavity argon arc welds shape anchor clamps of preapring for an unfavorable turn of events | |
| CN217572251U (en) | Universal tool grinder | |
| CN210388307U (en) | Small-size collet |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |