CN203853967U - High-efficiency and environment-friendly impact drill bit - Google Patents
High-efficiency and environment-friendly impact drill bit Download PDFInfo
- Publication number
- CN203853967U CN203853967U CN201420274887.9U CN201420274887U CN203853967U CN 203853967 U CN203853967 U CN 203853967U CN 201420274887 U CN201420274887 U CN 201420274887U CN 203853967 U CN203853967 U CN 203853967U
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- knife
- liquid flow
- drill bit
- biphase gas
- liquid
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Abstract
The utility model belongs to the technical field of hardware tools and building machinery and relates to a high-efficiency and environment-friendly impact drill bit which comprises a knife head (1), a knife rod (2), a knife shaft (3) and a knife handle (4). The knife head (1) is provided with a gas-liquid two-phase flow branched pipe (11) and a gas-liquid two-phase flow main pipe (12) which can lead gas-liquid two-phase flow towards an operating face to cool the drill bit and prevent dust pollution. The front portion of the knife rod (2) is provided with a liquid flow output hole (21) which can guide liquid flow out by utilizing a centrifugal force during rotating to bond dust so as to avoid pollution. Cuttings conveying pieces (22) of the knife rod (2) are distributed spirally, so that the drill bit has strong cutting force for rebars and stone, and jamming of the drill bit can be prevented effectively. By the high-efficiency and environment-friendly impact drill bit, dust pollution and muddy water pollution can be avoided effectively, water resources can be saved, jamming of the drill bit can be prevented, and operating efficiency of cuttings discharging and hole drilling is improved. The high-efficiency and environment-friendly impact drill bit can be mounted in an existing impact drill or an existing electric hammer, can lead in air or water only and is wide in application range.
Description
Technical field
The utility model relates to drilling tool technology, and the especially a kind of drill bit that can avoid environmental pollution belongs to hardware & tools and building machinery technical field.
Background technology
In finishing or construction, in brick or concrete wall surface boring, extensively adopt percussion drill or electric hammer.In boring procedure, dust pollution is serious, has had a strong impact on the healthy of operating personnel.People are studied improvement, have occurred a kind of dust-free electric drill device (patent No.: 200520120447.9), comprise telescopic component and dust exhaust apparatus, be installed on percussion drill or electric hammer synchronous working, by dust respirable dust device; Also there is a kind of Novel dustless churn drill (patent No.: 200720198683.1), a dust collection mechanism is set under drill bit, comprises air inlet, drawing fan and dismountable receptacle.These devices can be collected dust, but in operating process, dust exhaust apparatus, by filter medium exhaust, still can be discharged a large amount of fine dust granules, contaminated air; In addition when dust is cleared up, still can dust from flying, there is pollution problem.
When existing brick or concrete wall surface bores larger hole, people adopt water to bore, and utilize the cooling drill bit of water, there is no dust pollution; But in work progress, can flash by water droplet, occur mud pollution.In order to prevent environmental pollution and to simplify cleaning work, in brittle metal drilling fields such as cast iron or cast aluminiums, there is a kind of chip suction drill (patent No.: 200880127620.4), smear metal can be drawn onto in chip sucking path from smear metal introduction hole, be discharged by drillstock side.
Existing drill hammer adopts the bit body consisting of hard materials such as carbide alloy, tungsten carbide or potteries, is fixed in the groove of drill rod end by soldering or melting welding.In armored concrete, during operation, if meet with reinforcing bar, often cause rough tipping, or bit body and drilling rod turn-off or cut off.
In order effectively to avoid dust pollution, saving water resource, improves chip removal and bore operation efficiency, prevents bit freezing, the utility model proposes a kind of high-efficiency environment friendly drill hammer.
Summary of the invention
The purpose of this utility model is protection of the environment, introduces biphase gas and liquid flow, avoids dust pollution, saving water resource; Improve chip removal and bore operation efficiency, prevent bit freezing.The utility model can pack existing percussion drill or electric hammer into and install dust exhaust apparatus additional, also can be installed on percussion drill or electric hammer with dust exhaust apparatus.
Drill bit of the present utility model is a kind of cutting tool, comprises cutter head (1), knife bar (2), cutter shaft (3) and handle of a knife (4), as represented in Fig. 1.Described cutter head (1) adopts hard material, at least there are two symmetrical cutting edges, with biphase gas and liquid flow, be in charge of (11) and biphase gas and liquid flow house steward (12), to the scope of operation, introduce biphase gas and liquid flow, with cooling drill bit and prevent dust pollution.Described hard material at least comprises carbide alloy, cubic boron nitride or industrial ceramics, adopts powder metallurgical technique sintering to form.Described biphase gas and liquid flow is in charge of the rear knife face that (11) are opened on cutter head (1), identical with cutting edge quantity, converges at biphase gas and liquid flow house steward (12).Described biphase gas and liquid flow house steward's (12) inner surface is the face of cylinder, its center line overlap with cutter head longitudinal axis (1).The preferred empty G&W of described biphase gas and liquid flow.
Described knife bar (2) is hollow circular tube structure, and outer surface is with smear metal conveying sheet (22), inner with conduit (23), and anterior with liquid stream delivery outlet (21), front end connects cutter head (1), and rear end connects cutter shaft (3).Described smear metal conveying sheet (22) is helix and distributes, and hard material particle, consists of, and adopts bridging agent bonding or be welded on the outer surface of knife bar (2), and reinforcing bar and stone are had to stronger cutting force, can effectively prevent bit freezing.
Described knife bar (2) is anterior with liquid stream delivery outlet (21), and the centrifugal force while utilizing rotation is derived liquid stream, with bonding dust, avoids environmental pollution.Described liquid stream delivery outlet (21) and conduit (23) conducting.
Described cutter shaft (3) is hollow circular tube structure, and with front seal groove (31), rear seal groove (33) and biphase gas and liquid flow input hole (32), front end connects knife bar (2), and rear end connects handle of a knife (4).Conduit (23) conducting of described biphase gas and liquid flow input hole (32) and knife bar (2), imports biphase gas and liquid flow.Described front seal groove (31) is connected respectively sealing ring with rear seal groove (33), for the sealing of biphase gas and liquid flow.
Described handle of a knife (4) connects percussion drill or electric hammer, for clamping drill bit described in the utility model.
The beneficial effects of the utility model are: described cutter head (1) is in charge of (11) and biphase gas and liquid flow house steward (12) with biphase gas and liquid flow, can introduce biphase gas and liquid flow to the scope of operation, with cooling drill bit and prevent dust pollution; Centrifugal force when described knife bar (2) can utilize rotation with liquid stream delivery outlet (21) is derived liquid stream, with bonding dust, avoids environmental pollution.The introducing of air-flow can cooling drill bit, and the discharge of auxiliary smear metal; The introducing of liquid stream can be avoided excessive temperature rise and dust pollution.The smear metal conveying sheet (22) of described knife bar (2) is helix and distributes, and reinforcing bar and stone are had to stronger cutting force, can effectively prevent bit freezing.Compare with existing percussion drill or electric hammer, the utility model can effectively be avoided dust pollution, prevents bit freezing, has improved chip removal and bore operation efficiency; Bore and compare with existing water, the utility model can effectively be avoided mud pollution, saving water resource greatly, and improve operating efficiency.The utility model can pack existing percussion drill or electric hammer into and install dust exhaust apparatus additional, also can be installed on percussion drill or electric hammer with dust exhaust apparatus; Also can only introduce air or water, have wide range of applications.
Accompanying drawing explanation
Fig. 1 is general structure schematic diagram of the present utility model;
Fig. 2 is another embodiment of cutter head.
Description of reference numerals: 1 cutter head; 2 knife bars; 3 cutter shafts; 4 handle of a knifes; 11 biphase gas and liquid flows are in charge of; 12 biphase gas and liquid flow house stewards; 21 liquid stream delivery outlets; 22 smear metal conveying sheets; 23 conduits; 31 front seal grooves; 32 biphase gas and liquid flow input holes; 33 rear seal grooves.
The specific embodiment
Below in conjunction with accompanying drawing and specific embodiment, the technical solution of the utility model is described in detail.
Fig. 1 is general structure schematic diagram of the present utility model, comprises cutter head (1), knife bar (2), cutter shaft (3) and handle of a knife (4).Described cutter head (1) is comprised of hard material, adopts powder metallurgical technique sintering to form.Cutter head (1) and knife bar (2) be connected preferred melting welding or soldering processes, preferably fluting is connected the measure of two kinds of techniques use with the face of cylinder, to improve bonding strength.
Knife bar (2), cutter shaft (3) and the preferred same metal material of handle of a knife (4), preferably heat treatment and metal cutting processing technology are shaped; Its blank preferable alloy tubing or metal bar material.(2 smear metal conveying sheet (22) is comprised of hard material particle described knife bar, adopts bridging agent bonding or be welded on the outer surface of knife bar (2).
Meeting under the condition of structure of the present utility model and performance requirement, changing material and manufacturing process, all within protection domain of the present utility model.
Claims (4)
1. a high-efficiency environment friendly drill hammer, comprise cutter head (1), knife bar (2), cutter shaft (3) and handle of a knife (4), it is characterized in that described cutter head (1) is in charge of (11) and biphase gas and liquid flow house steward (12) with biphase gas and liquid flow, to the scope of operation, introduce biphase gas and liquid flow, with cooling drill bit and prevent dust pollution; Described knife bar (2) is anterior with liquid stream delivery outlet (21), and the centrifugal force while utilizing rotation is derived liquid stream, with bonding dust, avoids environmental pollution.
2. according to a kind of high-efficiency environment friendly drill hammer claimed in claim 1, it is characterized in that described biphase gas and liquid flow is in charge of the rear knife face that (11) are opened on cutter head (1), identical with cutting edge quantity, converge at biphase gas and liquid flow house steward (12).
3. according to a kind of high-efficiency environment friendly drill hammer claimed in claim 1, it is characterized in that described knife bar (2) is for hollow circular tube structure, outer surface is with smear metal conveying sheet (22), inner with conduit (23), front end connects cutter head (1), and rear end connects cutter shaft (3); Described smear metal conveying sheet (22) is helix and distributes, and can prevent bit freezing.
4. according to a kind of high-efficiency environment friendly drill hammer claimed in claim 1, it is characterized in that described cutter shaft (3) is with front seal groove (31), rear seal groove (33) and biphase gas and liquid flow input hole (32), front end connects knife bar (2), and rear end connects handle of a knife (4); Conduit (23) conducting of described biphase gas and liquid flow input hole (32) and knife bar (2), imports biphase gas and liquid flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274887.9U CN203853967U (en) | 2014-05-27 | 2014-05-27 | High-efficiency and environment-friendly impact drill bit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420274887.9U CN203853967U (en) | 2014-05-27 | 2014-05-27 | High-efficiency and environment-friendly impact drill bit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203853967U true CN203853967U (en) | 2014-10-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420274887.9U Expired - Fee Related CN203853967U (en) | 2014-05-27 | 2014-05-27 | High-efficiency and environment-friendly impact drill bit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203853967U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728804A (en) * | 2016-03-23 | 2016-07-06 | 苏州亚思科精密数控有限公司 | Self-cooling type rotary drill device |
-
2014
- 2014-05-27 CN CN201420274887.9U patent/CN203853967U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105728804A (en) * | 2016-03-23 | 2016-07-06 | 苏州亚思科精密数控有限公司 | Self-cooling type rotary drill device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 264005 School of engineering, No. 191 Binhai Road, Laishan District, Shandong, Yantai Patentee after: Shandong Institute of Business And Technology Address before: 264005 Binhai Road, Laishan District, Shandong, China, No. 191, No. Patentee before: Shandong Institute of Business And Technology |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150527 |
|
| EXPY | Termination of patent right or utility model |