CN210458367U - Small-size high accuracy laser cladding powder feeding device - Google Patents
Small-size high accuracy laser cladding powder feeding device Download PDFInfo
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- CN210458367U CN210458367U CN201921114078.0U CN201921114078U CN210458367U CN 210458367 U CN210458367 U CN 210458367U CN 201921114078 U CN201921114078 U CN 201921114078U CN 210458367 U CN210458367 U CN 210458367U
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Abstract
The utility model discloses a small-size high accuracy laser cladding send whitewashed device, which comprises a housin, be fixed with the powder storage fill on the casing, movable mounting has the powder storage storehouse in the casing, movable mounting has out powder pipe and advances the powder pipe in the powder storage storehouse, it pegs graft in the powder storage storehouse to advance powder pipe one end, the other end cup joints in the powder storage bottom, fixed mounting has servo motor on the casing, the motor shaft of servo motor is journaled there is the coil spring shaft coupling, the hub joint has the powder feeding wheel on the coil spring shaft coupling, fixedly connected with elastic component on the inner wall of powder storage storehouse, the tip fixedly connected with briquetting of elastic component, briquetting and powder feeding wheel contact connection, the powder feeding wheel is gear type structure, the last circumference of powder feeding wheel is provided with a plurality of teeth, powder pipe one end pegs graft in the powder storage storehouse, the other end extends to the casing outside, the tooth is connected with the bottom contact of advancing the powder pipe, the tooth is connected with the top; the utility model discloses a send whitewashed device has send whitewashed even, simple structure and stable, difficult stifled powder, advantage such as likepowder material utilization ratio.
Description
Technical Field
The utility model relates to a laser cladding technical field especially relates to a small-size high accuracy laser cladding powder feeding device.
Background
Laser cladding is a technology for repairing a workpiece or improving the performance of a material on the surface of the workpiece by melting a powdery material to prepare a cladding layer on the surface of the workpiece by taking laser as a heat source. Whether the laser cladding layer is uniform or not is a main index for measuring the quality of laser cladding, and a powder feeding device with high precision and uniform powder feeding is needed besides the requirement of laser beam stabilization for obtaining the cladding layer with good quality; that is, a powder feeding device capable of uniformly feeding a powdery material to the surface of a workpiece to be processed (in a laser molten pool) is required.
Common gravity powder feeding forms include screw type and scraper type, and the two types of powder feeding devices are used for taking powder by a scraping or extruding method and then conveying powdery materials to the surface of a workpiece along a preset pipeline by gravity or pneumatic. The device has the following defects in the field of laser cladding processing: firstly, as the powdery material is extruded and rubbed by an internal mechanism of the powder feeding device, the powdery material is granulated, and a powder outlet of the powder outlet pipe is easily blocked, so that uneven powder feeding is caused, and the cladding quality is directly influenced; secondly, if the powder is conveyed by air flow without adopting gravity to drop freely, the powder material is easy to blow away, blow away and blow out incompletely by the conveyed air flow, thus not only affecting the cladding quality, but also wasting the powder material.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a small-size high accuracy laser cladding send whitewashed device to solve the problem that above-mentioned prior art exists, make and send whitewashed even smooth and easy difficult stifled powder that is difficult for, and the grain phenomenon can not appear, and then improve the utilization ratio of powdery material.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a small-size high accuracy laser cladding powder feeding device, which comprises a shell, the fixed mounting has the powder storage fill on the casing, the movable mounting has the powder storage storehouse in the casing, movable mounting has powder outlet pipe and powder inlet pipe in the powder storage storehouse, powder inlet pipe one end is pegged graft in the powder storage storehouse, and the other end cup joints in the bottom of powder storage fill, the fixed mounting has servo motor on the casing, the motor shaft of servo motor is journaled with the coil spring shaft coupling, the coil spring shaft coupling is journaled with the powder feeding wheel, the inner wall of powder storage storehouse is fixedly connected with the elastic component, the tip of elastic component is fixedly connected with the briquetting, the briquetting is connected with the powder feeding wheel contact, the powder feeding wheel is gear type structure, the powder feeding wheel is provided with a plurality of teeth circumferentially, powder outlet pipe one end is pegged graft in the powder storage storehouse, and the other end extends to the outside of the casing, the tooth is connected with the bottom of the powder inlet pipe in a contact manner, and the tooth is connected with the top of the powder outlet pipe in a contact manner.
Preferably, the tooth pitch between the teeth is the same, and the height of the teeth is the same.
Preferably, the diameter of the bottom of the powder storage hopper is larger than the diameter of the powder inlet pipe, and the diameter of the powder outlet pipe is 4-7 mm.
Preferably, the briquetting is of a circular structure, and the diameter of the briquetting is the same as that of the powder feeding wheel.
Preferably, the teeth are in a conical structure or a trapezoidal structure.
Preferably, a scale thin plate is fixedly mounted on the wall of the powder storage hopper, and the scale thin plate is a transparent plate.
Preferably, the elastic member is a spring.
The utility model discloses a following technological effect: the powder feeding device of the utility model is characterized in that in the powder feeding process, on one hand, the powdery material falls into the powder storage bin from the powder storage hopper under the action of gravity and is accumulated on the teeth of the powder feeding wheel, when the powdery material accumulated on the teeth is blocked or granulated, the spiral spring coupling can receive the pressure from the powder feeding wheel, the spiral spring coupling can feed back an extrusion force after being pressed, at the moment, the powder feeding wheel can be extruded to shake, the powdery material accumulated on the teeth can be loosened, when the powder feeding wheel shakes, the spiral spring coupling can touch the pressing block, the pressing block can be compressed by the elastic part which is arranged at the back of the spiral spring coupling under the pressure, at the moment, the elastic part can feed the pressure to the pressing block, at the moment, the pressing block can also provide a vibration force for the teeth, thus, the balanced vibration force can not only ensure that the powder feeding wheel is stable when rotating, and the quantity of the powdery material can not be changed due to violent shaking, meanwhile, extrusion and friction of powder are avoided, and the possibility of granulation and blockage of the powder material is reduced, so that the laser cladding quality is ensured and improved; on the other hand, the powder material is quantitatively taken away by means of the uniform-speed rotation of gear-type powder feeding gear teeth instead of pneumatic conveying in the powder material conveying process, and then the powder material is conveyed out from the discharge port by means of gravity, so that powder is not scattered in the process, the utilization rate of the powder material is improved, and the environmental pollution is avoided. Therefore, compare with current scraper blade formula or screw gravity or pneumatic powder feeding device, the utility model discloses powder feeding device has the powder of sending even, simple structure and stable, difficult stifled powder, advantage such as likepowder material utilization ratio, has obvious economy and social meaning.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a front view of the powder feeding device of the present invention;
FIG. 2 is a left side view of the powder feeding device of the present invention;
FIG. 3 is a right side view of the powder storage hopper of the present invention;
wherein, 1-shell; 2-powder storage hopper; 3-a powder storage bin; 4-a powder inlet pipe; 5-briquetting; 6-a powder outlet pipe; 7-powder feeding wheel; 8-a coil spring coupling; 9-a servo motor; 10-teeth; 11-an elastic member; 12-scale sheet.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
As shown in fig. 1-3, the utility model provides a small-size high-precision laser cladding powder feeding device, which comprises a shell 1, a powder storage hopper 2 is fixedly arranged on the shell 1, a powder storage bin 3 is movably arranged in the shell 1, when too much powder is accumulated on the bin wall of the powder storage bin 3, the powder storage bin 3 is movably arranged in the shell 1, so that the replacement or cleaning is more convenient; a powder outlet pipe 6 and a powder inlet pipe 4 are movably arranged in the powder storage bin 3, wherein one end of the powder inlet pipe 4 is inserted in the powder storage bin 3, the other end is sleeved in the bottom end of the powder storage hopper 2, a servo motor 9 is fixedly arranged on the shell 1, a motor shaft of the servo motor 9 is connected with a spiral spring coupling 8, a powder feeding wheel 7 is connected with the spiral spring coupling 8, an elastic part 11 is fixedly connected on the inner wall of the powder storage bin 3, the end part of the elastic part 11 is fixedly connected with a pressing block 5, the pressing block 5 is in contact connection with a powder feeding wheel 7, the powder feeding wheel 7 is of a gear type structure, a plurality of teeth 10 are circumferentially arranged on the powder feeding wheel 7, the tooth pitch between the teeth 10 is set to be the same, and simultaneously, the height of the teeth 10 is also the same, so that when the powder feeding wheel 7 rotates at a constant speed, the amount of the powder material accumulated among the teeth 10 is the same, so that the powder feeding is uniform; one end of the discharge pipe is inserted in the powder storage bin 3, the other end of the discharge pipe extends out of the shell 1, the tooth 10 is in contact connection with the bottom of the powder inlet pipe 4, and the tooth 10 is in contact connection with the top of the powder outlet pipe 6; firstly, adding a powdery material used for laser cladding into a powder storage hopper 2, enabling the powdery material to fall into a powder storage bin 3 through self gravity, stopping feeding the powdery material into the powder storage hopper 2 when the powdery material in the powder storage bin 3 reaches a specified amount, then starting a servo motor 9, driving a spiral spring coupler 8 to rotate by the rotation of the servo motor 9, driving a powder feeding wheel 7 to rotate by the rotation of the spiral spring coupler 8, adjusting the rotation speed of the powder feeding wheel 7 through an external control part, taking powder from a powder outlet of a powder inlet pipe 4 above the powder storage bin by teeth 10 on the powder feeding wheel 7 when the powder feeding wheel 7 rotates, and rotating the powder feeding wheel 7 after powder taking is finished until the powdery material on the teeth 10 is sent out from a powder outlet of a powder outlet pipe 6; when the phenomena of particle formation and powder blockage occur in the teeth 10 of the powder feeding wheel 7, the weight of the powder feeding wheel 7 is increased, the spiral spring coupling 8 connected with the powder feeding wheel is under pressure, the pressure is reversely transmitted to the powder feeding wheel 7, the powder feeding wheel 7 is under the vibration force of the spiral spring coupling 8, the powdery material on the teeth 10 of the powder feeding wheel 7 is loosened when the powdery material is vibrated, meanwhile, the vibration force is transmitted to the pressing block 5 when the powder feeding wheel 7 is under the vibration force, the pressing block 5 is transmitted to the elastic piece 11 after being stressed, the elastic piece 11 drives the pressing block 5 to vibrate, so that the pressing block 5 also provides an extrusion force for the powder feeding wheel 7, the powdery material blocked on the teeth 10 of the powder feeding wheel 7 can smoothly fall down, and when the phenomena of particle formation and powder blockage occur in the powder feeding device, the pressing block 5 and the spiral spring coupling 8 can provide a part of expansion allowance, the powder feeding device is guaranteed to feed powder smoothly without grain agglomeration or blockage, and in addition, the distance and the height between the teeth 10 are the same, and the powder feeding wheel 7 is enabled to rotate at a constant speed by adjusting the rotating speed, so that the powder is guaranteed to be fed out uniformly and smoothly.
In order to ensure that the powder material can smoothly fall from the powder storage hopper 2 and can be smoothly discharged from the powder discharge pipe 6 in the powder feeding process, the diameter of the bottom of the powder storage hopper 2 is set to be larger than the diameter of the powder inlet pipe 4, a sealing gasket (not shown) can be arranged at the contact part of the powder storage hopper 2 and the powder inlet pipe 4 in order to prevent the powder material from running out of the gap between the powder storage hopper 2 and the powder inlet pipe 4, the diameter of the powder discharge pipe 6 is set to be 4-7mm, preferably 5.2mm, and the design of the diameter of the powder discharge pipe 6 can ensure that the powder material can be smoothly discharged from the powder discharge pipe 6.
Further optimization scheme, in order to guarantee to send the powder in-process, the extrusion force that briquetting 5 provided can avoid appearing the knot or stifled powder phenomenon, set up briquetting 5 into circular structure, and set up the diameter of briquetting 5 and the diameter of sending powder wheel 7 into the same value, can guarantee that briquetting 5 directly transmits the tooth 10 with the vibrational force like this, can prevent to appear stifled powder phenomenon like this, set up elastic component 11 into the spring simultaneously, in order to guarantee that it can reverse transmission give briquetting 5 vibrational force, can also play a buffer power simultaneously, prevent briquetting 5 direct and store up 3 collisions in powder storehouse, reduce the degree of wear of part.
In order to further optimize the scheme, in order to stably place the powdery material and smoothly take the powdery material from the powder feeding pipe 4, the teeth 10 are arranged to be in a conical structure or a trapezoidal structure, so that the powdery material in the powder feeding pipe can be pushed to gaps among the teeth 10 by the inclined edges of the teeth 10.
Further optimize the scheme, in order to survey the entering amount of powder material in the powder storage hopper 2, fixed mounting has scale sheet 12 on the headwall of powder storage hopper 2, and sets up scale sheet 12 into the transparent plate, simultaneously, also can directly set up powder storage hopper 2 into transparent powder storage hopper 2 with the organic glass material, carves the scale on powder storage hopper 2's headwall.
During operation, the powder material used for laser cladding is added into the powder storage hopper 2, the powder material falls into the powder storage bin 3 in the shell 1 through self gravity and stops, then the servo motor 9 is started, the servo motor 9 drives the powder feeding wheel 7 to rotate at a constant speed through the spiral spring coupler 8 (the rotating speed is adjustable through external control), the teeth 10 on the powder feeding wheel 7 take powder from the powder inlet pipe 4, and the powder is conveyed out from the powder outlet pipe 6 after rotating.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description of the present invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and those skilled in the art should also be able to make various modifications and improvements to the technical solution of the present invention without departing from the spirit of the present invention, and all such modifications and improvements are intended to fall within the scope of the present invention as defined in the appended claims.
Claims (7)
1. The utility model provides a small-size high accuracy laser cladding send whitewashed device which characterized in that: comprises a shell (1), a powder storage hopper (2) is fixedly installed on the shell (1), a powder storage bin (3) is movably installed in the shell (1), a powder outlet pipe (6) and a powder inlet pipe (4) are movably installed in the powder storage bin (3), one end of the powder inlet pipe (4) is inserted in the powder storage bin (3), the other end of the powder inlet pipe is sleeved in the bottom end of the powder storage hopper (2), a servo motor (9) is fixedly installed on the shell (1), a motor shaft of the servo motor (9) is axially connected with a spiral spring coupling (8), a powder feeding wheel (7) is axially connected with the spiral spring coupling (8), an elastic piece (11) is fixedly connected on the inner wall of the powder storage bin (3), a pressing block (5) is fixedly connected with the end portion of the elastic piece (11), the pressing block (5) is in contact connection with the powder feeding wheel (7), and the powder feeding wheel (7) is of a gear type structure, the powder feeding wheel (7) is circumferentially provided with a plurality of teeth (10), one end of the powder outlet pipe (6) is inserted into the powder storage bin (3), the other end of the powder outlet pipe extends out of the shell (1), the teeth (10) are in contact connection with the bottom of the powder inlet pipe (4), and the teeth (10) are in contact connection with the top of the powder outlet pipe (6).
2. The small-sized high-precision laser cladding powder feeding device according to claim 1, characterized in that: the tooth pitch between the teeth (10) is the same, and the height of the teeth (10) is the same.
3. The small-sized high-precision laser cladding powder feeding device according to claim 1, characterized in that: the diameter of the bottom of the powder storage hopper (2) is larger than the diameter of the powder inlet pipe (4), and the diameter of the powder outlet pipe (6) is 4-7 mm.
4. The small-sized high-precision laser cladding powder feeding device according to claim 1, characterized in that: the briquetting (5) is of a circular structure, and the diameter of the briquetting (5) is the same as that of the powder feeding wheel (7).
5. The small-sized high-precision laser cladding powder feeding device according to claim 2, characterized in that: the teeth (10) are in a conical structure or a trapezoidal structure.
6. The small-sized high-precision laser cladding powder feeding device according to claim 3, characterized in that: the powder storage hopper is characterized in that a scale thin plate (12) is fixedly mounted on the hopper wall of the powder storage hopper (2), and the scale thin plate (12) is a transparent plate.
7. The small-sized high-precision laser cladding powder feeding device according to claim 1, characterized in that: the elastic piece (11) is a spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114078.0U CN210458367U (en) | 2019-07-16 | 2019-07-16 | Small-size high accuracy laser cladding powder feeding device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921114078.0U CN210458367U (en) | 2019-07-16 | 2019-07-16 | Small-size high accuracy laser cladding powder feeding device |
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| CN210458367U true CN210458367U (en) | 2020-05-05 |
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| CN201921114078.0U Active CN210458367U (en) | 2019-07-16 | 2019-07-16 | Small-size high accuracy laser cladding powder feeding device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831781A (en) * | 2020-12-31 | 2021-05-25 | 中钢集团邢台机械轧辊有限公司 | High-flux laser cladding material preparation and powder feeding system |
| CN115522196A (en) * | 2022-07-07 | 2022-12-27 | 南通德邦新材料科技有限公司 | Water-cooled cladding head |
-
2019
- 2019-07-16 CN CN201921114078.0U patent/CN210458367U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112831781A (en) * | 2020-12-31 | 2021-05-25 | 中钢集团邢台机械轧辊有限公司 | High-flux laser cladding material preparation and powder feeding system |
| CN115522196A (en) * | 2022-07-07 | 2022-12-27 | 南通德邦新材料科技有限公司 | Water-cooled cladding head |
| CN115522196B (en) * | 2022-07-07 | 2023-09-22 | 南通德邦新材料科技有限公司 | Water-cooled cladding head |
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