CN2054727U - Pulling hole bit - Google Patents
Pulling hole bit Download PDFInfo
- Publication number
- CN2054727U CN2054727U CN 89218627 CN89218627U CN2054727U CN 2054727 U CN2054727 U CN 2054727U CN 89218627 CN89218627 CN 89218627 CN 89218627 U CN89218627 U CN 89218627U CN 2054727 U CN2054727 U CN 2054727U
- Authority
- CN
- China
- Prior art keywords
- push rod
- hole
- drill bit
- drill
- furnished
- 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.)
- Expired - Lifetime
Links
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- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
The utility model relates to a drill bit for pulling holes. The drill bit designed to simplify the processing technology of flange holes and to increase processing efficiency completes the process of drilling positioning holes and shaping flange at an outlet in one step. The drill bit is mainly comprises a drill bit sleeve 1, a push rod 2, a round pin 3, an outer jacket 4, a drill shank 5, a steel ball 6, a spring 7, etc. The utility model has the advantages of simple structure, convenient operation and high work efficiency.
Description
The utility model belongs to field of machining.
There are many pipes to prop up the occasion that connects at mechanical field, as the welding between little comb of tubular heat exchanger and the collector, welding of solar heat-collection plate comb and collector or the like ... this connects occasion all needs to process flange on collector hole, then comb is inserted, be beneficial to welding processing, process this flange hole in general and all need two operations, at first, change the dial hole mould then the flange hole moulding with the common driller hole that feels secure.This processing mode is because two one-step formings so long processing time, the processing charges height, a series of shortcomings such as equipment interoperability difference are for addressing the above problem, the utility model proposes a kind of one step completed dial hole of moulding and bore, thereby working (machining) efficiency is improved greatly from the brill locating hole to the outlet flange.
Describe the utility model structure and the course of work in detail below in conjunction with accompanying drawing: the utility model structure is shown in sketch 1.Among Fig. 1: 1 is drill sleeve, drill sleeve is a hollow structure, the front portion is furnished with the drilling sword, the drilling sword can be according to the different drilling anterior angle of the unlike material design of processing work, relief angle etc., the drill bushing front portion is furnished with a through hole, the groove middle part is furnished with a symmetrical slotted eye, and the size of through hole and slotted eye is looked the size and the round pin size of steel ball and determined; 2 is push rod; Stepped push rod front portion is the tapering head, and the middle part is furnished with the fixing through hole of round pin, and push rod can slide up and down in drill bushing; 3 is round pin, and round pin is connected as one push rod, drill sleeve, overcoat, makes push rod and overcoat slide up and down along the drill sleeve slotted eye; 4 is overcoat, and overcoat is connected as one drillstock, drill sleeve and push rod by screw thread; 5 is drillstock, and the drilling machine moment of torsion is passed to drill sleeve by drillstock; 6 is steel ball.7 is spring; 8 is the some of workpiece.During processing work, the dial hole drill bit is directly installed on the common driller, work is placed on the workbench, during boring, drilling machine passes to drill bit with moment of torsion by drillstock, makes drill bit rotation drilling, directly gets out bottom outlet (boring workpiece) by the anterior drilling sword of drill sleeve on workpiece.During dial hole, location or other device by drilling machine will move on the drill sleeve.Move on the drill sleeve, the push rod inner cone in the drill bushing ejects steel ball, and whole Pulling hole bit moves up in rotation simultaneously, and in the moving process, the push rod conical surface withstands steel ball, and steel ball outwards pushes the workpiece tube wall, and pore is upwards turned up, and has formed turned welt.
The utility model is simple in structure, and is easy to operate, bores locating hole during the work down stroke, forms flange during up stroke, improved operating efficiency greatly, and above-mentioned good effect is that prior art is incomparable.
Claims (1)
1, a kind of by drill bit, the Pulling hole bit that drillstock is formed, the front portion that it is characterized in that the drill sleeve (1) of hollow is furnished with the drilling sword, the drill sleeve front portion is furnished with a through hole, steel ball (6) is housed in the hole, the drill sleeve middle part is furnished with the slotted eye that a symmetry can make round pin (3) slide up and down, steel ball (6) contacts with stair-stepping push rod (2) inner cone, push rod middle part is furnished with the fixing through hole of round pin (3), push rod rear portion and spring (7) join, round pin (3) is with push rod, overcoat (4) combines as a whole, overcoat (4) by internal thread with drillstock (5), drill sleeve (1) and push rod (2) are connected as one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89218627 CN2054727U (en) | 1989-10-31 | 1989-10-31 | Pulling hole bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89218627 CN2054727U (en) | 1989-10-31 | 1989-10-31 | Pulling hole bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2054727U true CN2054727U (en) | 1990-03-21 |
Family
ID=4873651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89218627 Expired - Lifetime CN2054727U (en) | 1989-10-31 | 1989-10-31 | Pulling hole bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2054727U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070244A (en) * | 2016-06-08 | 2018-12-21 | 格利浦-X有限公司 | Hole-saw assemblies |
-
1989
- 1989-10-31 CN CN 89218627 patent/CN2054727U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109070244A (en) * | 2016-06-08 | 2018-12-21 | 格利浦-X有限公司 | Hole-saw assemblies |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C15 | Extension of patent right duration from 15 to 20 years for appl. with date before 31.12.1992 and still valid on 11.12.2001 (patent law change 1993) | ||
| RN01 | Renewal of patent term | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |