CN102139798B - Flux-cored wire belt type powder feeder - Google Patents
Flux-cored wire belt type powder feeder Download PDFInfo
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- CN102139798B CN102139798B CN 201010558456 CN201010558456A CN102139798B CN 102139798 B CN102139798 B CN 102139798B CN 201010558456 CN201010558456 CN 201010558456 CN 201010558456 A CN201010558456 A CN 201010558456A CN 102139798 B CN102139798 B CN 102139798B
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- bolster
- bearing
- flux
- belt
- front axle
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Abstract
The invention discloses a flux-cored wire belt type powder feeder. The flux-cored wire belt type powder feeder comprises a powder feeding belt, a front shaft and a back shaft, wherein the powder feeding belt is tensioned on the front shaft and the back shaft; the front shaft is arranged on a front shaft bracket; a bearing shaft parallel to the front shaft is borne behind the front shaft; the bearing shaft is in frictional connection with the front shaft; the bearing shaft is arranged on the front shaft bracket; a first bearing is arranged at the two ends of the front shaft respectively; and the first bearings at the two ends of the front shaft are embedded into parallel chutes formed on the front shaft bracket respectively. The flux-cored wire belt type powder feeder reduces the probability that medicinal powder is attached to the belt, reduces the spatter of dust, reduces the production cost and the influence of spontaneous, random and uncontrollable procedures on the stability of a filling rate in the powder feeding process, improves the product quality and the working environment and guarantees the body health of workers.
Description
Technical field
The present invention relates to a kind of flux-cored wire production facilities, particularly a kind of belt type powder feeder of flux-cored wires.
Background technology
At present, the powder feed system of flux-cored wire forming machine generally adopts the belt-type powder feeder, such as patent documentation CN201543973U, on August 11st, 2010 disclosed powder feeder of wire rolling mill, when lower powder, before the medicinal powder of pressing close to most belt surface leaves belt, do centripetal motion around the powder feeder front axle center, when the adsorption affinity between medicinal powder and the belt was not enough to provide centripetal force, medicinal powder then can be thrown out of, leave belt surface, drop in the U-shaped groove of steel band.Shaft diameter is generally 15～25mm before the domestic existing powder feeder, considers thickness of belt 1.8～2.5mm, and the radius of curvature of actual belt at the front axle place is 10～15mm, and this moment, radius of curvature was larger, according to the formula of centripetal acceleration: a=v
2/ r, its centripetal acceleration is less, and required centripetal force is less.The threshold reduction of centripetal force can cause the adsorption affinity between medicinal powder and belt to be more prone to satisfy the demand of centripetal force, namely can cause bottom medicinal powder to be bonded on the belt easily, and in the process that belt moves backward, be shed on the powder feeder frame because of factors such as vibrations gradually.Can waste part medicinal powder so on the one hand, cause the rising of productive costs, on the other hand, can make this link of lower powder be absorbed in a uncontrollable condition, affect the stability of filling rate.
Although Japanese patent laid-open 3-52797 discloses a kind of belt-type powder feeder (being called " belt welding flux feeding device " in the literary composition), it is characterized by, the roller diameter that solder flux falls the place side is below the 6mm, and the complete thick of band is below the 1mm, and the material of band is the material of polytetrafluoroethylene or coating polytetrafluoroethylene.Present domestic belt production technology is difficult to accomplish this level, and the thinnest flux-cored wire powder feeding belt also has about 2mm.And for the belt of 2mm thickness, its tensioning is just needed very large power, if the front axle with powder feeder, be that " solder flux falls the roller of place side " mentioned among the Unexamined Patent 3-52797 accomplished 6mm or larger a little diameter, can't provide enough rigidity to satisfy the needs of belt tension, front axle serious distortion can occur or fracture.So the disclosed information of this patent can not solve the problem that runs in the domestic flux-cored wire production.
At present, the front shaft diameter of domestic powder feeder must be accomplished 15～25mm, to satisfy the needs of the larger tensile force of powder feeding belt.When this had just caused use belt-type powder feeder to carry out powder feeding, medicinal powder leaves the powder feeding belt, and to drop to the U-shaped groove middle part drop of the steel band that is added medicinal powder larger, can reach 25～35mm depending on front shaft diameter is different with mounting means.According to kinetic energy theory, suppose not exist in the powder falling process air resistance, gravitional force can all be converted into kinetic energy, then when the medicinal powder particle drops to the steel band center, its speed v=0.7～0.84m/s, and this speed supposes that still the running velocity of powder feeding belt is zero, and the speed when medicinal powder drops to the steel band center all is transformed by drop.Cause easily splashing of medicinal powder when speed is larger.Medicinal powder splashes and not only causes the waste of medicinal powder, improves productive costs, also can cause in the lower powder process spontaneous, at random, uncontrollable link increases and strengthen, affect the stability of filling rate, reduce product design, and contaminated environment, affect the healthy of workman, and the wearing and tearing of aggravation machine.
Summary of the invention
The present invention provides a kind of belt type powder feeder of flux-cored wires for solving the technical matters that exists in the known technology, it can guarantee that not only medicinal powder breaks away from belt at the front axle place, be not bonded on the belt, can also reduce the medicinal powder particle and fall speed in the U-shaped groove, reduce the medicinal powder splashing amount.
The technical scheme that the present invention takes for the technical matters that exists in the solution known technology is: a kind of belt type powder feeder of flux-cored wires, comprise the powder feeding belt, front axle and rear axle, described powder feeding belt tension is on described front axle and described rear axle, described front axle is installed on the front bracing strut, be supported with bolster in parallel after the described front axle, described bolster and described front axle frictional connection, described bolster is installed on the described front bracing strut, described front axle two ends are separately installed with clutch shaft bearing, and the clutch shaft bearing at described front axle two ends is embedded in respectively in the chute parallel to each other that arranges on the described front bracing strut.
Described bolster two ends are separately installed with block bearing.
The block bearing at described bolster two ends is the second bearing, and described the second bearing is directly installed in the bearing hole that arranges on the described front bracing strut.
The block bearing at described bolster two ends is the 3rd bearing, and described the 3rd bearing is by the first screw supporting that is positioned at its both sides, and described the first screw is fixed on the described front bracing strut.
By the 4th bearing supporting that is positioned at its both sides, the 4th bearing of described bolster both sides is installed on the second screw respectively at the two ends of described bolster, and described the second screw is fixed on the described front bracing strut.
Described powder feeding belt is provided with axis of guide assembly, and the relative described powder feeding belt homonymy with described bolster of described axis of guide assembly arranges, and the height of described axis of guide assembly is lower than the height of described front axle.
Described front shaft diameter is 4～10mm.
Advantage and good effect that the present invention has are: by adopting the structure that increases bolster behind front axle, reduce front shaft diameter, increase considerably centripetal force, improve the thresholding of centripetal force, more difficult the reaching of adhesive ability between medicinal powder and the belt can guarantee that medicinal powder does not leave the level of belt, reduced medicinal powder and be attached to possibility on the belt; Simultaneously, utilize bolster but not front axle is born load, still can satisfy the domestic use larger tensile force required than the pachydermia band; Can also reduce by more than 50 than originally with powder height at present, and reduce medicinal powder and dropped to kinetic energy in the U-shaped groove of steel band, reduce splashing of dust.Not only reduced productive costs, also reduced cause in the lower powder process spontaneous, at random, uncontrollable link is on the impact of filling rate stability, improved product design, improved working environment, ensured that the workman's is healthy.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 is the B-A-B cutaway view of Fig. 1;
Fig. 3 is the structural representation of the embodiment of the invention 2;
Fig. 4 is the B-A-C-B cutaway view of Fig. 3;
Fig. 5 is the structural representation of the embodiment of the invention 3;
Fig. 6 is the B-C-B cutaway view of Fig. 5;
Fig. 7 is the A-C-D-A cutaway view of Fig. 5.
Among the figure: 1, front axle, 2, bolster, 3, axis of guide assembly, 3-1, the 5th bearing, 3-2, guiding axis, 3-3, guiding roller, 4, belt, 5, rear axle, 6, front bracing strut, 7, clutch shaft bearing, the 8, second bearing, 9, U-shaped steel band, 10, the first screw, 11, the 3rd bearing, the 12, the 4th bearing, the 13, second screw.
The specific embodiment
For further understanding summary of the invention of the present invention, Characteristic, hereby exemplify following examples, and cooperate accompanying drawing to be described in detail as follows:
Embodiment 1:
See also Fig. 1～Fig. 2, a kind of belt type powder feeder of flux-cored wires, comprise powder feeding belt 4, front axle 1, rear axle 5, powder feeding belt 4 is stretched on front axle 1 and the rear axle 5, and front axle 1 is installed on the front bracing strut 6, and powder feeding belt 4 is walked around front axle 1, and frictional connection with it, after front axle 1, also be provided with a bolster in parallel 2, bolster 2 and front axle 1 frictional connection, bolster 2 is installed on the front bracing strut 6.Adopt said structure, the diameter of front axle 1 can be reduced to 10mm, even is reduced to 6mm, can not affect the tensioning of powder feeding belt 4.
Front axle 1 two ends are respectively equipped with clutch shaft bearing 7, and the clutch shaft bearing 7 at front axle 1 two ends is embedded in respectively in the chute that is parallel to each other that arranges on the front bracing strut 6, to make things convenient for the dismounting of front axle.
Also be provided with axis of guide assembly 3 on the front bracing strut 6, the height of axis of guide assembly 3 is lower than the height of front axle 1, with bolster 2 with respect to belt 4 homonymy settings, and be positioned at after the bolster 2.Axis of guide assembly 3 comprises guiding axis 3-2, and guiding axis 3-2 is installed on the front bracing strut 6, and guiding axis 3-2 is upper to be supported with guiding roller 3-3 by the 5th bearing 3-1, preferably establishes direction recess on the guiding roller 3-3, as shown in Figure 7.
Embodiment 2:
See also Fig. 3～Fig. 4, a kind of belt type powder feeder of flux-cored wires is with the difference of embodiment 1: the 3rd bearing 11 that is installed in bolster 2 two ends is fixing by being distributed in the first screw 10 that makes progress in its week, and the first screw 10 is fixed on the front bracing strut 6.All the other structures of the described belt type powder feeder of flux-cored wires of present embodiment are identical with embodiment 1, do not giving unnecessary details at this.
Embodiment 3:
See also Fig. 5～Fig. 7, a kind of belt type powder feeder of flux-cored wires, be with the difference of embodiment 1: bolster 2 two ends do not fill bearing, directly by being distributed in two four bearings 12 supportings of bolster end on circumferentially, the 4th bearing 12 be installed in the second affixed screw 13 of front bracing strut 6 on.Two the 4th bearings consist of second jiao with the bolster line of centres respectively, the extended line of front axle center and the bolster line of centres is positioned at the second angular region, bolster 2 and the 4th bearing 12 frictional connections, the 4th bearing 12 be installed in the second affixed screw 13 of front bracing strut 6 on.Adopt said structure, the diameter of front axle 1 can be reduced to 4mm, even less than 4mm, can not affect the tensioning of powder feeding belt 4.All the other structures of the described belt type powder feeder of flux-cored wires of present embodiment are identical with embodiment 1, do not giving unnecessary details at this.
Principle of work of the present invention is:
2 supportings of front axle 1 support shaft, the powder feeding belt 4 required tensile forces that front axle 1 bears just are delivered on the bolster 2, only need bolster 2 to have larger rigidity to get final product, front axle 1 has been a transitional function, need not larger diameter to satisfy the rigidity needs, can realize reducing of front shaft diameter, thereby reduce the distance between powder feeding belt 4 upper surfaces and the U-shaped steel band 9; And the centripetal force that improves front axle 1 place, be bonded on the powder feeding belt to reduce medicinal powder; Thereby the minimizing dust pollution, the control accuracy of raising filling rate.
Front axle 1 is adjacent to bolster 2, so the track of front axle 1 should be for take the center of bolster 1 as the center of circle, circular trace take front axle radius and bolster radius sum as radius, add the straight path that the guide groove on the front bracing strut 6 forms the supporting role of clutch shaft bearing 7, the intersection point of two tracks is the position of front axle.Under the effect of the tensile force of belt 4, the position of front axle 1 can be fixed.
After the belt 4 of belt-type powder feeder is walked around front axle 1, when turning back backward application force is acted on the front axle 1, front axle 1 will be spacing by the both sides of chute by clutch shaft bearing 7, front axle 1 is delivered to Main Function power on the bolster, with a small amount of force transmission to on the spacing chute of clutch shaft bearing, so the bearing that clutch shaft bearing can selection of small just can come true the configuration of " front axle adds bolster ".
In addition, because the hand of rotation of bolster 2 and front axle 1 is opposite, namely the sense of motion on bolster 2 surfaces is opposite with the sense of motion of belt 4, so belt 4 can not contact with bolster 2, should leave the slit between the two, to avoid the two contact, belt be produced unnecessary wearing and tearing.Leave certain gap between belt 4 and the bolster 2 and will make, just require belt will open certain angle from front axle.If but belt can't satisfy this angle requirement when directly turning back to rear axle from front axle, so need to after bolster 2 axis of guide assembly 3 be set below the front axle height, satisfy above-mentioned requirements to open belt.
Working process of the present invention is as follows:
Although the above is described the preferred embodiments of the present invention by reference to the accompanying drawings; but the present invention is not limited to the above-mentioned specific embodiment; the above-mentioned specific embodiment only is schematic; be not restrictive; those of ordinary skill in the art is under enlightenment of the present invention; not breaking away from the scope situation that aim of the present invention and claim protect, can also make a lot of forms, these all belong within protection scope of the present invention.
Claims (6)
1. belt type powder feeder of flux-cored wires, comprise powder feeding belt, front axle and rear axle, described powder feeding belt tension is on described front axle and described rear axle, described front axle is installed on the front bracing strut, it is characterized in that, be supported with bolster in parallel after the described front axle, described bolster and described front axle frictional connection, described bolster is installed on the described front bracing strut, described front axle two ends are separately installed with clutch shaft bearing, and the clutch shaft bearing at described front axle two ends is embedded in respectively in the chute parallel to each other that arranges on the described front bracing strut.
2. belt type powder feeder of flux-cored wires according to claim 1 is characterized in that, described bolster two ends are separately installed with block bearing.
3. belt type powder feeder of flux-cored wires according to claim 2 is characterized in that, the block bearing at described bolster two ends is the second bearing, and described the second bearing is directly installed in the bearing hole that arranges on the described front bracing strut.
4. belt type powder feeder of flux-cored wires according to claim 1, it is characterized in that, the two ends of described bolster are respectively by being distributed in two the four bearings supportings of bolster end on circumferentially, described the 4th bearing is installed on the second screw, two the 4th bearings consist of second jiao with the bolster line of centres respectively, the extended line of front axle center and the bolster line of centres is positioned at the second angular region, and described the second screw is fixed on the described front bracing strut.
5. belt type powder feeder of flux-cored wires according to claim 1, it is characterized in that, described powder feeding belt is provided with axis of guide assembly, and the relative described powder feeding belt homonymy with described bolster of described axis of guide assembly arranges, and the height of described axis of guide assembly is lower than the height of described front axle.
6. belt type powder feeder of flux-cored wires according to claim 1 is characterized in that, described front shaft diameter is 4～10mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010558456 CN102139798B (en) | 2010-11-24 | 2010-11-24 | Flux-cored wire belt type powder feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010558456 CN102139798B (en) | 2010-11-24 | 2010-11-24 | Flux-cored wire belt type powder feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102139798A CN102139798A (en) | 2011-08-03 |
| CN102139798B true CN102139798B (en) | 2013-04-24 |
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ID=44407631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010558456 Expired - Fee Related CN102139798B (en) | 2010-11-24 | 2010-11-24 | Flux-cored wire belt type powder feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102139798B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268408Y (en) * | 2008-09-02 | 2009-07-08 | 上海理工大学 | Belt type tablet counter |
| CN201432973Y (en) * | 2009-03-18 | 2010-03-31 | 中冶焊接科技有限公司 | Device capable of adjusting center distance of power feed belt |
| CN201529859U (en) * | 2009-03-18 | 2010-07-21 | 中冶焊接科技有限公司 | Automatic compensating and tightening device for powder feed belt |
| CN201543973U (en) * | 2009-12-16 | 2010-08-11 | 天津三英焊业股份有限公司 | Powder feeder of wire rolling mill |
| CN201559029U (en) * | 2009-12-16 | 2010-08-25 | 天津三英焊业股份有限公司 | Last-stage feeding device of wire rolling mill powder feeder |
| CN201864301U (en) * | 2010-11-24 | 2011-06-15 | 天津三英焊业股份有限公司 | Belt type powder feeder of flux-cored wires |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0352797A (en) * | 1989-07-19 | 1991-03-06 | Kawasaki Steel Corp | Flux supplying device for producing flux cored wire |
-
2010
- 2010-11-24 CN CN 201010558456 patent/CN102139798B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201268408Y (en) * | 2008-09-02 | 2009-07-08 | 上海理工大学 | Belt type tablet counter |
| CN201432973Y (en) * | 2009-03-18 | 2010-03-31 | 中冶焊接科技有限公司 | Device capable of adjusting center distance of power feed belt |
| CN201529859U (en) * | 2009-03-18 | 2010-07-21 | 中冶焊接科技有限公司 | Automatic compensating and tightening device for powder feed belt |
| CN201543973U (en) * | 2009-12-16 | 2010-08-11 | 天津三英焊业股份有限公司 | Powder feeder of wire rolling mill |
| CN201559029U (en) * | 2009-12-16 | 2010-08-25 | 天津三英焊业股份有限公司 | Last-stage feeding device of wire rolling mill powder feeder |
| CN201864301U (en) * | 2010-11-24 | 2011-06-15 | 天津三英焊业股份有限公司 | Belt type powder feeder of flux-cored wires |
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| Publication number | Publication date |
|---|---|
| CN102139798A (en) | 2011-08-03 |
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