CN102416541B - Powder conveying device for drilling tool wear-resistant strips during welding - Google Patents
Powder conveying device for drilling tool wear-resistant strips during welding Download PDFInfo
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- CN102416541B CN102416541B CN201110429554.XA CN201110429554A CN102416541B CN 102416541 B CN102416541 B CN 102416541B CN 201110429554 A CN201110429554 A CN 201110429554A CN 102416541 B CN102416541 B CN 102416541B
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Abstract
The invention discloses a powder conveying device for drilling tool wear-resistant strips during welding, and belongs to the field of material processing equipment. The device comprises a main body bracket, wherein a material accommodating bucket is arranged on the top of the main body bracket; a powder conveying disc fixed on the main body bracket is arranged below the material accommodating bucket; a material outlet of the material accommodating bucket is connected with a material inlet of the powder conveying disc; a material outlet of the powder conveying disc is communicated with a powder outlet pipe; and the rotating powder conveying disc is connected with a motor driving device through a central shaft. The original structure is improved, and the material accommodating bucket and the powder conveying disc are arranged on the main body bracket, so that powder is conveyed continuously; meanwhile, two discs are arranged in the powder conveying disc and form a certain included angle, so that the defect of non-uniform powder conveying of the traditional structure can be overcome, and powder conveying uniformity is ensured; therefore, welding continuity is achieved. The device can meet the requirements of various drilling tool wear-resistant strips and the requirement of welding drilling tool joints with different diameters.
Description
Technical field
While the present invention relates to one for drilling tool wear-resistant welding, bonding machine powder feeding equipment, belongs to material processing plant field, especially a kind of powder conveying device for drilling tool wear-resistant strips during welding.
Background technology
Oil drilling tools joint wear-resistant strip solder technology has been applied a lot of years in world oil enterprise, and initial object is for protection tool joint, improves its anti-wear performance, and its effect is also better.In the nineties in last century, according to the needs of producing, the sleeve pipe that having proposed again needs protection goes into the well, reduces the infringement to it, for the long-term production of oil well provides safeguard.Present proposed the requirement of two aspects, can not only protect bore head, extend its secondary spraying cycle and service life, and can protect to greatest extent the sleeve pipe of going into the well, reduce the loss that the leakage accident that causes because of casing wear brings.In addition, along with the progress of drilling technology, deep-well, ultradeep well, increase gradually from formula well, high angle hole, horizontal well, not only to reach while creeping in open hole well, its wearability is better, and the harsh requirement few to casing wear while creeping in sleeve pipe, the wearability of tool joint has been proposed to increasing requirement, current high-abrasive material is had higher requirement.
At present, along with the development of solder technology, operation automation degree is more and more higher, the special transfer device of high-abrasive material is used on multiple bonding machine, such as paraxonic dust feeder, negative pressure dust feeder etc., most widely used dust feeder general, that accepted extensively by skilled worker is powder particle dust feeder, mainly because its cost is low, stable performance.Welding drilling tool wear-resistant band dust feeder during tradition is used exists that powder outlet quantity is inhomogeneous, the bad adjusting of powder delivery speed, be difficult for observing the shortcomings such as powder residue storage, service life be short.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of powder conveying device for drilling tool wear-resistant strips during welding, and this device can be controlled powder outlet quantity and ensure evenly sending of powder particle, ensures continuous powder in welding process.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of powder conveying device for drilling tool wear-resistant strips during welding, comprise main body rack, the top of described main body rack is provided with bucket, the below of described bucket is provided with the sending disk of powder being fixed on main body rack, the discharging opening of described bucket is connected with sending disk of powder charging aperture, the discharging opening of sending disk of powder is communicated with flour extraction pipe, it is characterized in that: described sending disk of powder is rotary sending disk of powder, described rotary sending disk of powder is connected with motor driver by central shaft.
Preferably, described sending disk of powder comprises the profile of tooth disc arranging in metal shell and metal shell, and described disc at least arranges 2, and intermediate plate in the middle of being provided with between adjacent disc, is axially staggered between disc.The present invention is compared with original structure, the quantity of its disc is at least 2, the powder feeding producing greatly due to space width can avoid a disc time is long interval time, the disc powder feeding that is staggered in the present invention, the line of its tooth top and its axis are not parallel, there is certain angle, the size of this angle is different and different according to the set number of teeth, thereby shorten the powder feeding spacing of a disc, disc adopts the powder feeding disc of Waterwheel-type, and what use is the powder feeding disc of same specification, make up the inhomogeneous shortcoming of monolithic sending disk of powder powder feeding, ensure the uniform continuity of powder feeding.
Preferably, the axial staggered structure of described disc is: the between cog relevant position that each disc is counted inverse at total disc, is staggered successively.Staggered pattern described in the present invention is: if 2 discs arrange second disc at first disc between cog 1/2 place; If 3 discs are set, at 1/3 place of first disc between cog, second disc is set, the 3rd disc is set at 2/3 place, the like, disc is more, and space width is less, and powder feeding uniformity coefficient is better.
Preferably, between described each disc, be fixedly clamped by band screw thread intermediate plate and band jackscrew intermediate plate, described is the hollow-core construction being made up of shaft part and intermediate plate section with jackscrew intermediate plate, and described shaft part is connected in series each disc and middle intermediate plate successively.In the present invention, utilize two intermediate plates that disc is clamped, form an entirety, by the driving shaft on motor driver be connected with the hollow position in screw thread intermediate plate, the rotation of driving sending disk of powder, intermediate plate is set between disc, prevents that the powder in adjacent disc from flowing mutually, fixing powder sending quantity.
Preferably, described disc is fixed by block key with band jackscrew intermediate plate, and the edge of disc is provided with uniform hook tooth.Disc in the present invention can be hook tooth, can be also ordinary gear, and component entrained when wherein hook tooth rotates is larger.
Preferably, the base plate at described metal shell and two ends and cover plate composition closure casing, described closure casing is disc-shape, its edge is provided with the powder inlet tangent with border and meal outlet, described meal outlet place is provided with inside projection, and the least significant end of closure casing is provided with the recovery mouth that points to the center of circle.In the present invention, the metal shell of Waterwheel-type sending disk of powder is volute shape; powder inlet above and meal outlet and border are tangent; in disc rotary course; can smooth delivery of power powder particle, housing bottom is provided with and reclaims mouthful, is in the time shutting down; the powder particle of Waterwheel-type sending disk of powder inside is cleared up; be convenient to safeguard, the meal outlet limit of metal shell is provided with a projection in addition, can stop powder particle directly to fall into meal outlet.
Preferably, described motor driver is DC speed-reducing.Wherein DC speed-reducing is the motor of output shaft end with reduction box, the adjustable output speed of this motor, or use frequency modulation motor.
Preferably, described bucket is corrosion resistant plate metal material placing device that be welded, up big and down small.Material placing device in the present invention is stainless steel bucket, can hold more powder particle, has in use ensured the continuity of supply, and welding can be carried out continuously, improves welding efficiency.
Preferably, it is characterized in that: described cover plate is the square plate that transparent material is made, it is provided with the bolt hole being connected with metal shell around.Cover plate in the present invention adopts transparent organic glass to make, and is convenient to observe powder particle surplus, prevents welding process midway, and powder particle is finished using and caused the weld defect that does not have powder particle to enter molten bath.
The beneficial effect that adopts technique scheme to produce is: the present invention improves on original structure, by bucket and rotary sending disk of powder are set on main body rack, realize continuously powder feeding, utilize at least two discs of setting in sending disk of powder simultaneously, and the hook tooth of disc is for being staggered, there is certain angle, can make up the inhomogeneous feature of traditional structure powder feeding, ensure the uniformity of powder feeding, thereby realize the continuity of welding, and the present invention can adapt to the needs of the drilling tool wear-resistant band of multiple variety classes (density), can adapt to the needs of the tool joint welding of different-diameter.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation.
Fig. 1 is overall structure schematic diagram of the present invention;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the decomposing schematic representation of Waterwheel-type sending disk of powder in the present invention;
Fig. 4 is the schematic diagram of metal shell;
Fig. 5 is the structural representation of Waterwheel-type powder feeding disc;
Fig. 6 is use state diagram of the present invention;
Wherein, 1, bucket; 2, main body rack; 3, sending disk of powder; 4, DC speed-reducing; 5, DC motor speed-regulating device; 6, plug wire; 7, silica gel powder feeding pipe; 8, flour extraction pipe; 9, welding gun; 10 tool joints; 11, base plate; 12, metal shell; 13, band jackscrew intermediate plate; 14, disc; 15, middle intermediate plate; 16, band screw thread intermediate plate; 17, cover plate.
Detailed description of the invention
1 and 2 is known with reference to the accompanying drawings, the present invention is specifically related to a kind of drilling tool wear-resistant band dust feeder, and it comprises the main body rack 2 of dust feeder, bucket 1, sending disk of powder 3, DC speed-reducing 4, DC motor speed-regulating device 5, plug wire 6, silica gel powder feeding pipe 7, flour extraction pipe 8, its key is the revolving sending disk of powder 3 in described dust feeder, and sending disk of powder 3 is motor driving.
Accompanying drawing 3 is the decomposing schematic representation of sending disk of powder 3, revolving sending disk of powder 3 is provided with base plate 11, metal shell 12 and transparent organic glass cover plate 17, in the cavity of its composition, there is the powder particle that bucket 1 leaks down, the meal outlet limit of metal shell 12 is provided with a projection, can stop powder particle directly to fall into meal outlet.Disc 14 fits together by band jackscrew intermediate plate 13, middle intermediate plate 15 and band screw thread intermediate plate 16, this assembly is by being fixed on the top wire hole on jackscrew intermediate plate 13 on the output shaft of DC speed-reducing 4, rotarily driving it and turn clockwise the powder particle being stored in sending disk of powder 3 is delivered to meal outlet by DC speed-reducing 4.The disc 14 of Waterwheel-type is angled in the time of assembling, what select due to disc 14 is the structure with 12 hook tooths, therefore in the time that angle is set, be 15 degree left and right, in the time of operation, powder feeding is even, continuous like this, but also can adjust powder sending quantity according to the number of the number of teeth and the tooth root degree of depth.
From accompanying drawing 4, base plate 11 and the cover plate 17 at metal shell 12 and two ends form closure casing, and closure casing is disc-shape, and its edge is provided with the powder inlet tangent with border and meal outlet, meal outlet place is provided with inside projection, and the least significant end of closure casing is provided with the recovery mouth that points to the center of circle.Metal shell 12 is provided with to be collected mouthful, for collect finish the work at every turn after remaining powder particle, 6 shutoff of every day use plug wire, when use turn on plug wire 6, the powder particle of sending disk of powder 3 the insides just flows out.
Accompanying drawing 5 is the structural representation of sending disk of powder 3 interior discs, disc 14 is that edge is with barb-like profile of tooth, can conveying powder particle in rotary course, two discs adopt the powder feeding disc of Waterwheel-type, and what use is the powder feeding disc of two same specifications, when installation, there is certain angle, made up the inhomogeneous shortcoming of monolithic sending disk of powder powder feeding, ensured the uniform continuity of powder feeding.
Regulate the rotating speed of DC speed-reducing 4 by DC motor speed-regulating device 5, control the powder outlet quantity of whole device, according to the difference of on-the-spot tool joint diameter, regulate powder outlet quantity, and powder outlet quantity is also different while using the powder particle of different densities, meets different construction requirements.
The present invention can connect sending disk of powder 3 and flour extraction pipe 8 by this silica gel powder feeding pipe 7 is set, and silica gel material is high temperature resistant, the high temperature that can tolerate welding time, arc light produces; And it is ageing-resistant, can use for a long time; Silica gel good toughness, softness, can swing with welding gun.
The metal material that flour extraction pipe 8 in the present invention uses is copper, and adopting copper pipe is that thermal diffusivity is good because its fusing point is high, and the metal producing when welding splashes and is difficult for sticking on copper pipe, and has welded the fine cleaning of rear spatter.Bucket 1 is stainless steel, and stainless steel is wear-resisting and can not get rusty, and long-time placement of bucket also can not be got rusty like this, does not just have impurity and sneaks into and in powder particle, affect welding quality.
6 can find out with reference to the accompanying drawings, when on-the-spot use, powder particle is placed in bucket 1, flow in sending disk of powder 3, DC speed-reducing 4 with certain rotating speed rotation, drives the disc 14 in sending disk of powder 3 to rotate under DC motor speed-regulating device 5 regulates, powder particle is sent into meal outlet, send in the welding pool on tool joint by silica gel powder feeding pipe 7 and flour extraction pipe 8, heat by welding gun 9, powder particle is mixed with the molten metal in molten bath.Quality requirement when this powder particle dust feeder can ensure to construct, scene is installed and used and is convenient, is convenient to again safeguard, has good popularizing value.
This powder conveying device for drilling tool wear-resistant strips during welding, after architecture advances, can adapt to the needs of the drilling tool wear-resistant band of multiple variety classes (density), can adapt to the needs of the tool joint welding of different-diameter.Stainless steel bucket can hold more powder particle, has ensured the continuity of welding.Adopt the powder feeding disc of Waterwheel-type, and use the powder feeding disc of two same specifications, when installation, have certain angle, made up the inhomogeneous shortcoming of monolithic sending disk of powder powder feeding, ensured the uniform continuity of powder feeding.Use transparent organic glass cover plate, be convenient to observe powder particle surplus, prevent welding process midway, powder particle is finished using and is caused the weld defect that does not have powder particle to enter molten bath.Adopt silica gel powder feeding pipe, utilize high temperature resistant, the feature that ageing resistace is good of silica gel material, the high temperature sintering that when tolerance welding, arc light produces, and silica gel good toughness, softness, swings smooth and easy with welding gun.Adopt copper material flour extraction pipe to utilize copper pipe fusing point high, the feature that thermal diffusivity is good, the metal producing when welding splashes and is difficult for sticking on copper pipe, and has welded the fine cleaning of rear spatter.This is greatly improved the durability of whole powder particle dust feeder.
To the explanation of disclosed above-mentioned embodiment, make professional and technical personnel in the field can realize or use the present invention.To be apparent for those skilled in the art to multiple amendment of the present invention, general invention thought as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore; the present invention will can not be restricted to this embodiment shown in this article; but to meet the widest scope consistent with principle disclosed herein and features of novelty; therefore the embodiment based in the present invention; those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Claims (1)
1. a powder conveying device for drilling tool wear-resistant strips during welding, comprise main body rack (2), the top of described main body rack (2) is provided with bucket (1), the below of described bucket (1) is provided with the sending disk of powder (3) being fixed on main body rack (2), the discharging opening of described bucket (1) is connected with sending disk of powder (3) charging aperture, the discharging opening of sending disk of powder (3) is communicated with flour extraction pipe (8), it is characterized in that: described sending disk of powder (3) is rotary sending disk of powder, and described rotary sending disk of powder is connected with motor driver by central shaft; Described sending disk of powder (3) comprises the profile of tooth disc (14) arranging in metal shell (12) and metal shell (12), described disc (14) at least arranges 3, intermediate plate (15) in the middle of being provided with between adjacent disc (14), disc is axially staggered between (14), at 1/3 place of first disc between cog, second disc is set, the 3rd disc is set at 2/3 place; Between described each disc (14), be fixedly clamped by band screw thread intermediate plate (16) and band jackscrew intermediate plate (13), described band jackscrew intermediate plate (13) is the hollow-core construction being made up of shaft part and intermediate plate section, and described shaft part is connected in series each disc (14) and middle intermediate plate (15) successively; Described disc (14) is fixed by block key with band jackscrew intermediate plate (13), and the edge of disc (14) is provided with uniform hook tooth; The base plate (11) at described metal shell (12) and two ends and cover plate (17) composition closure casing, described closure casing is disc-shape, its edge is provided with the powder inlet tangent with border and meal outlet, described meal outlet place is provided with inside projection, and the least significant end of closure casing is provided with the recovery mouth that points to the center of circle; Described motor driver is DC speed-reducing (4); Described bucket (1) metal material placing device that be welded for corrosion resistant plate, up big and down small; The square plate that described cover plate (17) is made for transparent material, it is provided with the bolt hole being connected with metal shell (12) around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429554.XA CN102416541B (en) | 2011-12-20 | 2011-12-20 | Powder conveying device for drilling tool wear-resistant strips during welding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110429554.XA CN102416541B (en) | 2011-12-20 | 2011-12-20 | Powder conveying device for drilling tool wear-resistant strips during welding |
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| Publication Number | Publication Date |
|---|---|
| CN102416541A CN102416541A (en) | 2012-04-18 |
| CN102416541B true CN102416541B (en) | 2014-09-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201110429554.XA Expired - Fee Related CN102416541B (en) | 2011-12-20 | 2011-12-20 | Powder conveying device for drilling tool wear-resistant strips during welding |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103273168B (en) * | 2013-04-25 | 2015-06-03 | 常州富通焊业有限公司 | Tungsten carbide suspended bead welding method and device |
| CN107336958B (en) * | 2017-07-07 | 2019-05-14 | 哈尔滨工程大学 | The coaxial powder conveying apparatus of multilayer for wet process underwater laser on-line maintenance |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05239627A (en) * | 1991-05-10 | 1993-09-17 | Jeol Ltd | Powder feeder |
| CN2447056Y (en) * | 2000-09-25 | 2001-09-12 | 中国科学院力学研究所 | Fine powder constant-weight supplying device for hot spraying |
| CN2838760Y (en) * | 2005-09-23 | 2006-11-22 | 北京工业大学 | Side powder supplying nozzle for high-power laser wideband coating |
| CN102248161A (en) * | 2011-06-23 | 2011-11-23 | 严培义 | Controllable powder-feeding mechanism of power forming machine |
| CN202428126U (en) * | 2011-12-20 | 2012-09-12 | 中国石油集团渤海石油装备制造有限公司 | Welding and powder feeding device of wear-resisting belt of drilling tool |
-
2011
- 2011-12-20 CN CN201110429554.XA patent/CN102416541B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05239627A (en) * | 1991-05-10 | 1993-09-17 | Jeol Ltd | Powder feeder |
| CN2447056Y (en) * | 2000-09-25 | 2001-09-12 | 中国科学院力学研究所 | Fine powder constant-weight supplying device for hot spraying |
| CN2838760Y (en) * | 2005-09-23 | 2006-11-22 | 北京工业大学 | Side powder supplying nozzle for high-power laser wideband coating |
| CN102248161A (en) * | 2011-06-23 | 2011-11-23 | 严培义 | Controllable powder-feeding mechanism of power forming machine |
| CN202428126U (en) * | 2011-12-20 | 2012-09-12 | 中国石油集团渤海石油装备制造有限公司 | Welding and powder feeding device of wear-resisting belt of drilling tool |
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| CN102416541A (en) | 2012-04-18 |
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Granted publication date: 20140917 Termination date: 20161220 |