CN212505065U - Powder feeder capable of feeding powder uniformly - Google Patents
Powder feeder capable of feeding powder uniformly Download PDFInfo
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- CN212505065U CN212505065U CN202020977931.8U CN202020977931U CN212505065U CN 212505065 U CN212505065 U CN 212505065U CN 202020977931 U CN202020977931 U CN 202020977931U CN 212505065 U CN212505065 U CN 212505065U
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Abstract
The utility model discloses a powder feeder with uniform powder feeding, which comprises a laser head and a powder distributor arranged outside the laser head, wherein the powder distributor is connected with the laser head through a rotating device; the rotating device comprises a rod body structure, one end of the rod body structure is fixed on the laser head, the other end of the rod body structure is provided with a sphere structure, and the sphere structure is placed inside the powder distributor fixing piece; divide powder ware mounting to locate the lantern ring of dividing powder ware outer wall including the cover, and set up the ball bowl sleeve that is close to rod structure one end at the lantern ring, the telescopic circumference of ball bowl is equipped with the helicitic texture, the telescopic outside of ball bowl is equipped with locking part. The device can adjust the position relation of the laser head and the powder distributor according to the actual laser cladding requirement, so that the angle between the powder distributor and the surface of a workpiece to be clad can not be influenced even the laser head is inclined during working, the powder distributor is always vertical downwards, the powder distribution uniformity can not be influenced, and a plurality of paths of powder reaching the nozzle are uniform.
Description
Technical Field
The utility model belongs to the technical field of laser cladding, specifically, relate to an even powder feeder of powder feeding.
Background
At present, the laser cladding technology is rapidly developed, and compared with the traditional welding technology, the laser cladding technology has the advantages of the following aspects: 1. the heat input is small, and the deformation of the workpiece is small; 2. the product is metallurgically bonded with a matrix, and the dilution rate is low; 3. the crystal grain is small, the structure is compact, and higher hardness, wear resistance and abrasion resistance can be obtained; 4. local fine repair can be realized, and the cost is reduced; 5. can realize most of conventional and special metal cladding. Based on the advantages, the laser cladding technology is well applied to the fields with higher added values, such as aerospace, rail transit and the like.
The laser cladding technology is a link which is important how to rapidly and uniformly send metal powder to a molten pool. The current laser cladding powder feeding system adopts the following modes: the method comprises the following steps of placing metal powder in a professional powder feeder, conveying the powder from the powder feeder to a powder distributor at the position of a laser head by utilizing compressed gas, dividing the powder into a plurality of paths by the powder distributor, conveying the paths of the powder to a molten pool through a nozzle, and greatly influencing the cladding effect by judging whether the paths of the powder divided by the powder distributor are uniform or not.
At present, a laser head (4) and a powder distributor are welded and connected by a fixed rod (12), and the laser head and the powder distributor cannot move relatively, as shown in figure 1. Metal powder enters the powder distributor tank body (2) from the powder inlet (1) through the powder feeder, the powder distributor tank body (2) is a smooth cavity, a plurality of powder outlets are uniformly distributed at the bottom of the powder distributor tank body, the powder distributor tank body (2) is vertical to the ground, and at the moment, the metal powder uniformly flows out from the powder outlets (3) to reach the nozzle (11); if the powder separator inclines, the powder outlet at the lower part of the powder separator tends to be more powder and the powder outlet at the upper part of the powder separator tends to be less powder because of the gravity action of the metal powder. The uneven powder discharge can cause the serious defects of the laser-clad workpiece such as air holes, slag inclusion, unevenness and the like which affect the performance.
Therefore, the invention of the powder feeder for uniformly feeding powder has great significance in actual production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem lie in overcoming prior art's defect, provide an even powder feeder of powder feeding, the device can adjust the laser head and divide the position relation of powder ware according to laser cladding actual demand, even make the laser head incline at the during operation, can not influence branch powder ware and the angle of waiting to clad the work surface yet, make and divide the powder ware perpendicular downwards all the time, can not influence like this and divide the powder homogeneity, a plurality of ways of powder that reachs nozzle department is even.
And send even laser head of powder and divide the powder ware installation and dismantle convenient, can change each part according to actual production demand, the practicality is strong.
The utility model discloses the purpose is realized through following technical scheme:
the powder distributor is connected with the laser head through a rotating device, so that the relative position of the powder distributor and the laser head can be adjusted;
the rotating device comprises a rod body structure, one end of the rod body structure is fixed on the laser head, the other end of the rod body structure is provided with a sphere structure, and the sphere structure is placed inside the powder distributor fixing piece;
divide powder ware mounting locate the lantern ring of dividing the powder ware outer wall including the cover, and with the lantern ring is connected, sets up the ball bowl sleeve that is close to body of rod structure one end at the lantern ring, the telescopic surface circumference of ball bowl is equipped with the helicitic texture, the telescopic outside of ball bowl is equipped with locking part, be equipped with the through-hole in the middle of the locking part, body of rod structure passes the through-hole, arranges the spheroid structure in the ball bowl sleeve.
The utility model discloses will break original laser cladding head and the drawback of dividing powder ware fixed connection's traditional mode, through with the laser head with divide and set up rotary device between the powder ware, can effectively prevent to lead to the change of the play powder mouth position of dividing the powder ware because of the laser head slope, do not change original laser head again or divide the structure of powder ware, manufacturing cost is lower, the quality of the laser cladding product of producing has obvious improvement, is suitable for extensive using widely.
Further, the rod body structure of the rotating device is a cylindrical rod, and the diameter of the rod body structure is smaller than that of the through hole in the locking component.
Further, the rod length of the rod body structure of the rotating device is larger than the length of the ball bowl sleeve.
Further, the sphere diameter of the sphere structure is larger than the diameter of the through hole in the locking part.
Further, the thread width of the ball bowl sleeve is larger than the width of the internal thread of the matched locking component.
Furthermore, the outer wall of the laser head is fixedly connected with a mounting plate, and a mounting hole for fixing the rod body structure of the rotating device is formed in the mounting plate.
Furthermore, the powder distributor comprises a tank body, and a powder inlet and a powder outlet which are respectively arranged at two ends of the tank body.
Furthermore, a plurality of powder outlets are uniformly formed in one end, close to a product to be clad, of the tank body.
Furthermore, a level gauge is arranged on one side of the powder inlet of the powder distributor. The powder distributor can be accurately adjusted to be vertical to the surface of the product to be clad. The powder outlet of the powder distributor is equal to the surface of the product to be cladded, and the quality of the cladded product is ensured.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model discloses original laser cladding head and the drawback of dividing powder ware fixed connection's traditional mode will have been broken, through with the laser head with divide and set up rotary device between the powder ware, can effectively prevent to lead to the change of dividing the powder ware of play powder mouth position because of the laser head slope, do not change original laser head again or divide the structure of powder ware, manufacturing cost is lower, the quality of the laser cladding product of producing has obvious improvement, the qualification rate of the laser cladding of laser product has been guaranteed, the cladding quality of product has been improved by a wide margin, be suitable for extensive using widely.
Drawings
Fig. 1 is a schematic structural diagram of a conventional fixed powder distributor.
Fig. 2 is a schematic structural view of the powder feeder of the present invention with uniform powder feeding.
The powder feeding device comprises a powder feeding port, a tank body, a powder discharging port, a laser head, a mounting plate, a locking bolt, a rotating device, a rod body structure, a sphere structure, a locking part, a powder distributor fixing part, a lantern ring, a ball bowl sleeve and a thread structure, wherein 1-the powder feeding port, 2-the tank body, 3-the powder discharging port, 4-the laser head, 5-the mounting plate, 6-the locking bolt, 7-the rotating device, 71-the rod body structure, 72; 10-powder distributor and 11-nozzle.
Detailed Description
The present invention will be further described with reference to the following embodiments. Wherein the showings are for the purpose of illustration only and are shown by way of illustration only and not in actual form, and are not to be construed as limiting the present patent; for a better understanding of the embodiments of the present invention, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in figure 2, the powder feeder for uniformly feeding powder comprises a laser head 4 and a powder distributor 10 arranged outside the laser head 4, wherein the powder distributor 10 is connected with the laser head 4 through a rotating device 7, so that the relative position of the powder distributor 10 and the laser head 4 can be adjusted. The outer wall fixedly connected with mounting panel 5 of laser head 4 is equipped with the mounting hole (not shown) of the body of rod structure 71 of fixed rotary device 7 on mounting panel 5, and the cross section of mounting panel 5 of this embodiment is the L type, fixes the tail end of body of rod structure 71 on mounting panel 5 through locking bolt 6.
Specifically, the rotating device 7 includes a rod structure 71 with one end fixed on the laser head 4, and the other end of the rod structure 71 is provided with a sphere structure 72, and the sphere structure 72 is placed inside the powder distributor fixing member 9. Wherein the rod structure 71 is a cylindrical rod, and the diameter of the rod structure 71 is smaller than the diameter of the through hole in the locking part 8. The rod structure 71 can easily pass through the locking component 8, and the subsequent installation is convenient.
Divide powder ware mounting 9 to locate the lantern ring 91 that divides powder ware 10 outer wall including the cover, and set up the ball bowl sleeve 92 that is close to body of rod structure 7 one end at lantern ring 91, the circumference of ball bowl sleeve 92 is equipped with screw structure 93, the outside of ball bowl sleeve 93 is equipped with locking part 8, be equipped with the through-hole in the middle of the locking part 8, body of rod structure 7 passes the through-hole, arrange ball structure 72 in ball bowl sleeve 92, namely ball bowl in the ball bowl sleeve 92 can with spheroid structure 72 butt, ball bowl structure is the bowl structure of being close to in the hemisphere as the name suggests, the preferred ball bowl internal diameter that sets up to be greater than ball structure 72 is 1 ~ 3mm, can firmly lean on ball structure 72 in the ball bowl through locking part 8.
In order to enable the sphere structure 72 to be tightly combined with the inner wall of the ball bowl sleeve 92 and enable the positions of the laser head 4 and the powder distributor 10 to be relatively fixed during subsequent laser cladding, the length of the rod 71 of the rod body structure is set to be larger than that of the ball bowl sleeve 92. Thus, by stopping and tightening the locking member 8, the ball structure 72 is more tightly engaged with the inner wall of the ball socket sleeve 92.
It is worth mentioning that the spherical diameter of the spherical structure 72 is larger than the diameter of the through hole in the locking part 8. Therefore, the spherical structure cannot slide out of the locking part 8, and the safety performance of the equipment is ensured.
In order to make the ball structure 72 and the inner wall of the ball socket sleeve 92 combine more tightly, the thread width of the ball socket sleeve 92 is larger than the width of the inner thread of the locking part 8.
The powder distributor comprises a tank body 2, and a powder inlet 1 and a powder outlet 3 which are respectively arranged at two ends of the tank body. The powder outlets 3 are a plurality of, in this embodiment, three-way powder dividers, and the powder outlets 3 are uniformly arranged at one end (bottom) of the tank body 2 close to the product to be clad.
In order to accurately adjust the powder distributor 10, the powder distributor 10 is perpendicular to the surface of the product to be clad. The powder outlet of the powder distributor is equal to the surface of the product to be cladded, and the quality of the cladded product is ensured. A level gauge (not shown) is also arranged on one side of the powder inlet of the powder distributor 10.
The powder feeder with uniform powder feeding breaks the defects of the traditional mode that the original laser cladding head is fixedly connected with the powder distributor, the change of the position of the powder outlet of the powder distributor caused by the inclination of the laser head can be effectively prevented by arranging the rotating device between the laser head and the powder distributor, the structure of the original laser head or the powder distributor is not changed, the production cost is low, the quality of the produced laser cladding product is obviously improved, and the powder feeder is suitable for wide popularization and use.
The working principle of the powder feeder for uniformly feeding powder is as follows:
this powder feeder that powder is even, when laser head 4 slope operation, but manual regulation divides powder ware 10 direction, through unscrewing locking part 8, make spheroid structure 72 and ball bowl sleeve 92 relative movement, adjust to and divide powder ware 10 to make the spirit level to explain the instrument to be the horizontality when the bubble is located central point, locking part 8 of screwing makes spheroid structure 72 and ball bowl sleeve 92 relatively fixed, divide powder ware 10 perpendicularly downwards all the time, can not influence like this and divide the powder homogeneity, a plurality of ways of powder that reach nozzle 11 department are even. When the powder distributor 10 is in a vertical state, powder is uniformly delivered to the nozzle from each powder outlet 3, the cladding head 4 is inclined in the cladding process, the powder distributor tool is adjusted at the moment, so that the powder distributor 10 is in a vertical state, the powder is uniformly delivered, and the quality of the produced laser cladding product is obviously improved.
It should be understood that the above-mentioned embodiments are only examples for clearly illustrating the technical solutions of the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. A powder feeder with uniform powder feeding comprises a laser head and a powder distributor arranged on the outer side of the laser head, and is characterized in that the powder distributor is connected with the laser head through a rotating device, so that the relative position of the powder distributor and the laser head can be adjusted;
the rotating device comprises a rod body structure, one end of the rod body structure is fixed on the laser head, the other end of the rod body structure is provided with a sphere structure, and the sphere structure is placed inside the powder distributor fixing piece;
divide powder ware mounting locate the lantern ring of dividing the powder ware outer wall including the cover, and with the lantern ring is connected, sets up the ball bowl sleeve that is close to body of rod structure one end at the lantern ring, the telescopic surface circumference of ball bowl is equipped with the helicitic texture, the telescopic outside of ball bowl is equipped with locking part, be equipped with the through-hole in the middle of the locking part, body of rod structure passes the through-hole, arranges the spheroid structure in the ball bowl sleeve.
2. A powder feeder according to claim 1, wherein the rod structure of the rotary device is a cylindrical rod, and the diameter of the rod structure is smaller than that of the through hole in the locking part.
3. A powder feeder for uniformly feeding powder according to claim 2, wherein the rod body structure of the rotating device has a rod length greater than the length of the ball bowl sleeve.
4. A powder feeder as claimed in claim 1, wherein the sphere diameter of the sphere structure is larger than the diameter of the through hole in the locking member.
5. A powder feeder for uniformly feeding powder according to claim 1, wherein the ball cup sleeve has a thread width larger than that of an internal thread of a locking member adapted to the ball cup sleeve.
6. The powder feeder of claim 1, wherein a mounting plate is fixedly connected to the outer wall of the laser head, and the mounting plate is provided with a mounting hole for fixing the rod structure of the rotating device.
7. The powder feeder for uniformly feeding powder according to claim 1, wherein the powder distributor comprises a tank body and a powder inlet and a powder outlet which are respectively arranged at two ends of the tank body.
8. The powder feeder capable of uniformly feeding powder according to claim 7, wherein the powder outlet is provided in plurality and is uniformly arranged at one end of the tank body close to a product to be clad.
9. The powder feeder of any one of claims 1 to 8, wherein a level gauge is further provided on the powder inlet side of the powder distributor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020977931.8U CN212505065U (en) | 2020-06-02 | 2020-06-02 | Powder feeder capable of feeding powder uniformly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020977931.8U CN212505065U (en) | 2020-06-02 | 2020-06-02 | Powder feeder capable of feeding powder uniformly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212505065U true CN212505065U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020977931.8U Active CN212505065U (en) | 2020-06-02 | 2020-06-02 | Powder feeder capable of feeding powder uniformly |
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| Country | Link |
|---|---|
| CN (1) | CN212505065U (en) |
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2020
- 2020-06-02 CN CN202020977931.8U patent/CN212505065U/en active Active
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