CN104210036A - Diamond thin-wall drill bit base body connection disk and manufacturing technology thereof - Google Patents
Diamond thin-wall drill bit base body connection disk and manufacturing technology thereof Download PDFInfo
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- CN104210036A CN104210036A CN201410425974.4A CN201410425974A CN104210036A CN 104210036 A CN104210036 A CN 104210036A CN 201410425974 A CN201410425974 A CN 201410425974A CN 104210036 A CN104210036 A CN 104210036A
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- disk body
- disk
- dish
- drill bit
- diamond thin
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Abstract
The invention provides a diamond thin-wall drill bit base body connection disk and a manufacturing technology thereof. The diamond thin-wall drill bit base body connection disk comprises a disk body and a disk head, and is characterized in that a through hole is formed in the center of the disk body; internal threads are formed on the through hole; corresponding external threads are formed at the connection end of the disk head and the disk body; the disk body is connected with the disk head through the threads, and the outer edges in threaded connection are welded. The manufacturing technology for the base body connection disk comprises two steps of split manufacturing and welding. Due to the design, the standard disk body and the disk head can be combined freely, and integrated forging molding is not needed any more; therefore the production cost is greatly lowered; furthermore, a large quantity of standard disk bodies can be produced and stored in a production process; the disk heads with different shapes are produced according to a requirement; after the disk bodies and the disk heads are combined and welded, the finished connection disk product can be obtained; the production efficiency is greatly improved.
Description
Technical field
The present invention relates to boring bar tool field, refer to especially a kind of split type diamond thin-wall drill bit matrix terminal pad and manufacture craft thereof.
Background technology
Adamantine consumption, 1,000,000 tons of iron and steel of every processing diamond amount used represents the Industry Development Level that this is national, beautiful, Ji western countries consumption all draws every 1,000,000 tons of steel at 18～20 myriagrams, the U.S. is the country of diamond consumption maximum in the world, and China is that 2.4 myriagrams draw every 1,000,000 tons of steel.
Along with industrial expansion, in building and other field, diamond grinding tool goods have all more and more been used, wherein, engineering thin wall drilling bit is exactly wherein a kind of, claim again water drill bit, hollow boring bit, be mainly used in building, when water, electricity, warm, coal gas, air-conditioning, pipeline are installed, beat porthole, also have the foundation engineerings such as highway, airfield runway, bridge, tunnel boring, jacking, get core, and the nonmetal fragile material of answering such as stone material, pottery punches etc.Engineering thin wall drilling bit must be connected to matrix the normal operation that just can guarantee equipment with brill in use, yet the most integral type forging of the terminal pad of existing diamond thin-wall drill bit matrix forms, not only production efficiency is low, and because matrix dish is first different, needed mould is numerous, and production cost is very high.
Summary of the invention
The present invention proposes a kind of diamond thin-wall drill bit matrix terminal pad and manufacturing process thereof, solves the problem that above-mentioned background technology proposes.
A diamond thin-wall drill bit matrix terminal pad, comprises that disk body and dish are first, is characterized in, disk body center is provided with through hole, is provided with internal thread on through hole, and dish is first is provided with corresponding external screw thread with disk body link, disk body is threaded connection with dish head, and the outer being threaded welding.
As further technical scheme, internal thread is M45 * 2 internal thread.
As further technical scheme, it is highly the chamfering outer of 45 ° for 4.5mm, angle that the outboard end of the through hole of disk body is provided with.
As further technical scheme, the outside solder side of disk body and the vertical range of disk body lateral surface are 0.5mm; Inner side solder side outside disk body medial surface is connected with dish is first is inner concave, and radius is that 3mm, arc length are 18.84mm.
As further technical scheme, coil first cross section and be a kind of in equilateral triangle, square, regular pentagon, regular hexagon or octagon.
A technique of manufacturing diamond thin-wall drill bit matrix terminal pad, comprises the steps:
Step 1: the standard disk body that is 80mm by mould punching forming diameter;
Step 2: the dish of producing as required different cross section is first;
Step 3: the dish head that the disk body that step 1 is manufactured and step 2 are produced tightens by screw thread;
Step 4: by automatic soldering device, inside and outside first with dish of disk body is connected to external welding, obtains finished product terminal pad.
As further technical scheme, in step 4, welding manner is CO
2protection weldering.
As further technical scheme, the outside solder side that in step 4, the solder side of weld is disk body and the vertical range of disk body lateral surface are 0.5mm; Inner side solder side outside disk body medial surface is connected with dish is first is inner concave, and radius is that 3mm, arc length are 18.84mm.
Beneficial effect of the present invention:
The present invention changes disk body and dish head into split type production, make standard disk body and the dish head can independent assortment, no longer need one forging molding, not only production cost significantly reduces, and can produce in a large number in process of production the also disk body of operating level part, produce according to demand more difform dish first, after combination, welding, can obtain finished product terminal pad, greatly improved production efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is cross-sectional view of the present invention;
Fig. 2 is a mid-game monic of the present invention embodiment cross section structure schematic diagram.
In figure: 1, disk body; 2, dish is first; 3, outside solder side; 4, inner side solder side.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1～Fig. 2, the embodiment of the present invention provides a kind of diamond thin-wall drill bit matrix terminal pad, comprise disk body 1 and dish first 2, be characterized in, disk body 1 center is provided with through hole, is provided with internal thread on through hole, and dish first 2 is provided with corresponding external screw thread with disk body 1 link, disk body 1 is threaded connection with dish first 2, and the outer being threaded welding.
As further technical scheme, internal thread is M45 * 2 internal thread.
As further technical scheme, it is highly the chamfering outer of 45 ° for 4.5mm, angle that the outboard end of the through hole of disk body 1 is provided with.
As further technical scheme, the outside solder side 3 of disk body 1 is 0.5mm with the vertical range of disk body lateral surface; Inner side solder side 4 outside disk body medial surface is connected with dish first 2 is inner concave, and radius is that 3mm, arc length are 18.84mm.
In the present invention by diamond thin-wall drill bit various environments for use with and use procedure in the test of the suffered torque magnitude of matrix, the acrotorque that compute matrix terminal pad will bear, shape and the thickness of design disk body 1 planform and solder side, thus guarantee that terminal pad weld in use can not occur and occurs the problem getting loose.
As further technical scheme, the cross section of dish first 2 is a kind of in equilateral triangle, square, regular pentagon, regular hexagon or octagon.
It is equilateral triangle, square, regular pentagon, regular hexagon, octagon various structures shape that mid-game head 2 of the present invention can be designed as cross section, can select as required difform dish and standard component disk body 1 combinations produce, therefore can produce in a large number in process of production the also disk body 1 of operating level part, produce according to demand more difform dish first 2, after combination, welding, can obtain finished product terminal pad, greatly enhance productivity.
The invention provides a kind of technique of manufacturing diamond thin-wall drill bit matrix terminal pad, comprise the steps:
Step 1: the standard disk body 1 that is 80mm by mould punching forming diameter;
Step 2: the dish head 2 that produces as required different cross section;
Step 3: the dish head 2 that the disk body 1 that step 1 is manufactured and step 2 are produced tightens by screw thread;
Step 4: by automatic soldering device, disk body 1 and dish first 2 inside and outside is connected to external welding, obtains finished product terminal pad.
As further technical scheme, in step 4, welding manner is CO
2protection weldering.
In the present invention, disk body 1 and the preferred CO of first 2 welding manner of dish
2protection weldering, have wire melting fast, without features such as molten slag removals, the comparable manual metal-arc welding of efficiency improves 2.5-4 doubly; The chances are 1/2 of the manual electric arc welding of low its integrated cost of welding cost; Weldment post welding distortion is little, and cracking resistance is good, is applicable to plate sheet welding; Higher rust-proofing ability, can save non-cutting times a large amount of in production.
As further technical scheme, in step 4, the solder side of weld is that the outside solder side 3 of disk body 1 is 0.5mm with the vertical range of disk body lateral surface; Inner side solder side 4 outside disk body medial surface is connected with dish first 2 is inner concave, and radius is that 3mm, arc length are 18.84mm.
The foregoing is only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (8)
1. a diamond thin-wall drill bit matrix terminal pad, comprise disk body (1) and dish first (2), it is characterized in that, described disk body (1) center is provided with through hole, on described through hole, be provided with internal thread, described dish first (2) is provided with corresponding external screw thread with described disk body (1) link, and described disk body (1) is threaded connection with described dish first (2), and described in the outer that is threaded weld.
2. diamond thin-wall drill bit matrix terminal pad as claimed in claim 1, is characterized in that, described internal thread is M45 * 2 internal thread.
3. diamond thin-wall drill bit matrix terminal pad as claimed in claim 1, is characterized in that, it is highly the chamfering outer of 45 ° for 4.5mm, angle that the outboard end of the through hole of described disk body (1) is provided with.
4. diamond thin-wall drill bit matrix terminal pad as claimed in claim 1, is characterized in that, the outside solder side (3) of described disk body is 0.5mm with the vertical range of described disk body (1) lateral surface; Inner side solder side (4) outside described disk body medial surface is connected with described dish first (2) is inner concave, and radius is that 3mm, arc length are 18.84mm.
5. diamond thin-wall drill bit matrix terminal pad as claimed in claim 1, is characterized in that, the cross section of described dish first (2) is a kind of in equilateral triangle, square, regular pentagon, regular hexagon or octagon.
6. a technique of manufacturing diamond thin-wall drill bit matrix terminal pad described in claim 1-5 any one, is characterized in that, comprises the steps:
Step 1: manufacture the standard disk body (1) that diameter is 80mm by mould;
Step 2: the dish first (2) of producing as required different cross section;
Step 3: the dish first (2) that the disk body (1) that step 1 is manufactured and step 2 are produced is tightened by screw thread;
Step 4: by automatic soldering device, disk body (1) and dish first (2) inside and outside is connected to external welding, obtains finished product terminal pad.
7. technique as claimed in claim 6, is characterized in that, in described step 4, welding manner is CO
2protection weldering.
8. technique as claimed in claim 6, is characterized in that, in described step 4, the solder side of weld is that the solder side in disk body (1) outside and the vertical range of disk body (1) lateral surface are 0.5mm; The solder side of described disk body (1) inner side is inner concave, and radius is that 3mm, arc length are 18.84mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425974.4A CN104210036A (en) | 2014-08-27 | 2014-08-27 | Diamond thin-wall drill bit base body connection disk and manufacturing technology thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410425974.4A CN104210036A (en) | 2014-08-27 | 2014-08-27 | Diamond thin-wall drill bit base body connection disk and manufacturing technology thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104210036A true CN104210036A (en) | 2014-12-17 |
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ID=52092138
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410425974.4A Pending CN104210036A (en) | 2014-08-27 | 2014-08-27 | Diamond thin-wall drill bit base body connection disk and manufacturing technology thereof |
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| CN (1) | CN104210036A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836872A (en) * | 2006-04-21 | 2006-09-27 | 桂林创源金刚石有限公司 | Thin wall drilling bit |
| US20110000718A1 (en) * | 2009-07-02 | 2011-01-06 | Smith International, Inc. | Integrated cast matrix sleeve api connection bit body and method of using and manufacturing the same |
| CN102528410A (en) * | 2011-11-07 | 2012-07-04 | 杭州钻虎金刚石工具有限公司 | Process for manufacturing base body of engineering thin-walled drill |
| CN202318602U (en) * | 2011-11-07 | 2012-07-11 | 杭州钻虎金刚石工具有限公司 | Engineering thin wall drill base body composite structure |
| CN202643547U (en) * | 2012-04-25 | 2013-01-02 | 北京华特科园超硬材料有限公司 | Novel-structure diamond thin-walled drill head steel body for machining glass |
| CN202985799U (en) * | 2012-12-17 | 2013-06-12 | 天津市泽华工艺品有限公司 | Flat seat type drilling cylinder for stone processing |
| CN204076534U (en) * | 2014-08-27 | 2015-01-07 | 石家庄金博惠工具有限公司 | A kind of diamond thin-wall drill bit matrix terminal pad |
-
2014
- 2014-08-27 CN CN201410425974.4A patent/CN104210036A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1836872A (en) * | 2006-04-21 | 2006-09-27 | 桂林创源金刚石有限公司 | Thin wall drilling bit |
| US20110000718A1 (en) * | 2009-07-02 | 2011-01-06 | Smith International, Inc. | Integrated cast matrix sleeve api connection bit body and method of using and manufacturing the same |
| CN102528410A (en) * | 2011-11-07 | 2012-07-04 | 杭州钻虎金刚石工具有限公司 | Process for manufacturing base body of engineering thin-walled drill |
| CN202318602U (en) * | 2011-11-07 | 2012-07-11 | 杭州钻虎金刚石工具有限公司 | Engineering thin wall drill base body composite structure |
| CN202643547U (en) * | 2012-04-25 | 2013-01-02 | 北京华特科园超硬材料有限公司 | Novel-structure diamond thin-walled drill head steel body for machining glass |
| CN202985799U (en) * | 2012-12-17 | 2013-06-12 | 天津市泽华工艺品有限公司 | Flat seat type drilling cylinder for stone processing |
| CN204076534U (en) * | 2014-08-27 | 2015-01-07 | 石家庄金博惠工具有限公司 | A kind of diamond thin-wall drill bit matrix terminal pad |
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Application publication date: 20141217 |
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