CN214991858U - Metal powder conveying device for laser cladding test - Google Patents
Metal powder conveying device for laser cladding test Download PDFInfo
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- CN214991858U CN214991858U CN202121268408.9U CN202121268408U CN214991858U CN 214991858 U CN214991858 U CN 214991858U CN 202121268408 U CN202121268408 U CN 202121268408U CN 214991858 U CN214991858 U CN 214991858U
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Abstract
The utility model relates to the technical field of powder conveying, in particular to a metal powder conveying device for a laser cladding test, which comprises a hopper, wherein a feed chute and a discharge chute which extend along the vertical direction are arranged in the hopper, the width of the feed chute is larger than that of the discharge chute, a second placing groove is arranged between the feed chute and the discharge chute, and a first placing groove which extends along the vertical direction is arranged on one side of the discharge chute; the rolling shaft is rotatably arranged in the second arranging groove, and material bearing grooves are uniformly distributed on the circumferential surface of the rolling shaft along the circumferential direction; the first rotating roller and the second rotating roller are respectively and rotatably arranged at the top end and the bottom end of the first accommodating groove; the annular belt is sleeved on the first rotating roller and the second rotating roller; servo motor, servo motor are fixed to be set up on the hopper, and servo motor's output shaft and the coaxial fixed connection of one end of roller bearing, and this device can make powder discharge fast in the blown down tank.
Description
Technical Field
The utility model relates to a powder transport technical field specifically relates to a metal powder conveyor for laser cladding is experimental.
Background
Laser cladding, also known as laser cladding or laser cladding, is a new surface modification technique. The method is characterized in that a cladding material is added on the surface of a base material, and the cladding material and a thin layer on the surface of the base material are fused together by utilizing a laser beam with high energy density, so that a metallurgically bonded cladding layer is formed on the surface of a base layer.
The laser cladding comprises two powder feeding modes, wherein one mode is synchronous side powder feeding, the other mode is coaxial powder feeding, the synchronous side powder feeding is that powder is directly fed to a workpiece cladding surface laser radiation area through a powder feeding pipe by a powder feeder, the powder is heated to a red hot state through a light beam before reaching a melting area, then falls into the melting area to be higher than random melting, and is continuously fed along with the movement of a base material and the powder, so that a laser cladding belt is formed.
The synchronous side powder feeding structure is simple, the cost is low, the powder utilization rate is relatively low, the powder is required to have good fluidity, the powder is easy to agglomerate and block at the position of the feeding nozzle when being too thin, and the feeding nozzle is easy to block when being too thick.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, a metal powder conveying device for a laser cladding test is provided.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a metal powder conveying device for a laser cladding test comprises a hopper, wherein a feeding groove and a discharging groove which extend in the vertical direction are arranged in the hopper, the feeding groove and the discharging groove penetrate through the hopper in the vertical direction, the groove width of the feeding groove is larger than that of the discharging groove, a second placing groove is arranged between the feeding groove and the discharging groove, and a first placing groove which extends in the vertical direction is arranged on one side of the discharging groove; the roller is coaxially and rotatably arranged in the second arranging groove, the roller is in clearance fit with the second arranging groove, material bearing grooves are uniformly distributed on the circumferential surface of the roller along the circumferential direction, and the material bearing grooves extend along the axial direction of the roller; the first rotating roller and the second rotating roller are respectively and rotatably arranged at the top end and the bottom end of the first placing groove, and the first rotating roller and the second rotating roller are coaxial with the rolling shaft; the annular belt is sleeved on the first rotating roller and the second rotating roller and feeds materials outwards along the discharging end of the discharging groove towards the conveying surface on the outer side of the first placing groove; the servo motor is fixedly arranged on the hopper, and an output shaft of the servo motor is coaxially and fixedly connected with one end of the rolling shaft.
Preferably, the device further comprises a synchronous belt, and one end of the first rotating roller or the second rotating roller is in synchronous transmission connection with one end of the rolling shaft through the synchronous belt.
Preferably, the hopper is a split part, and the split section of the hopper extends along the radial direction of the roller.
Preferably, the feeding device further comprises a photoelectric encoder, wherein the photoelectric encoder is arranged on the hopper, and the input end of the photoelectric encoder is coaxially and fixedly connected with one end of the roller.
Preferably, the pneumatic conveying device further comprises a pneumatic frame, the pneumatic frame is arranged at one end of the hopper and located at the discharge end of the discharge chute, a pneumatic guide groove is formed in the pneumatic frame and extends along the radial direction of the rolling shaft and penetrates through the pneumatic frame, and a gas guide pipe communicated with the output end of an external gas source is further arranged on the pneumatic frame.
Preferably, the width of the air guide chute decreases gradually in the direction of the output of the discharge chute.
Compared with the prior art, the utility model beneficial effect who has is:
1. the rotary annular belt is arranged on the inner side of the discharge chute, so that powder in the discharge chute can be quickly discharged, and large granular powder or micro granular powder is prevented from being agglomerated and blocked in the second placing groove;
2. the utility model can make the roller drive the ring belt to synchronously convey the powder in the first placing groove through the synchronous belt, thereby preventing the powder from being blocked in the first placing groove;
3. the utility model can accurately control the rotation speed and the rotation quantity of the rolling shaft by the controller through the photoelectric encoder, thereby facilitating stable powder conveying;
4. the utility model discloses a gas frame can make the powder of blown down tank discharge end can concentrate to spout and attach in a certain region to be convenient for stably melt and cover.
Drawings
Fig. 1 is a perspective view of the present invention;
fig. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view at section A-A of FIG. 2;
FIG. 4 is a perspective cross-sectional view at section A-A of FIG. 2;
FIG. 5 is a partial enlarged view of FIG. 3 at B;
fig. 6 is an exploded perspective view of the present invention.
The reference numbers in the figures are:
1-a hopper; 1 a-a feed chute; 1 b-a discharge chute; 1b 1-first resting groove; 1 c-a second placement groove;
2-a roller; 2 a-a material bearing groove;
3-a first rotating roller;
4-a second rotating roller;
5-an endless belt;
6-a servo motor;
7-synchronous belt;
8-a photoelectric encoder;
9-air frame; 9 a-a gas guiding groove; 9 b-airway tube.
Detailed Description
The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art.
In order to solve the technical problem that the metal powder is easy to block in the nozzle, as shown in fig. 4, the following technical scheme is provided:
a metal powder conveying device for a laser cladding test,
comprises the following steps of (a) preparing a mixture,
the hopper comprises a hopper 1, wherein a feeding groove 1a and a discharging groove 1b which extend in the vertical direction are arranged in the hopper 1, the feeding groove 1a and the discharging groove 1b penetrate through the hopper 1 in the vertical direction, the groove width of the feeding groove 1a is larger than that of the discharging groove 1b, a second placing groove 1c is arranged between the feeding groove 1a and the discharging groove 1b, and a first placing groove 1b1 which extends in the vertical direction is arranged on one side of the discharging groove 1 b;
the roller 2 is coaxially and rotatably arranged in the second arranging groove 1c, the roller 2 is in clearance fit with the second arranging groove 1c, material bearing grooves 2a are uniformly distributed on the circumferential surface of the roller 2 along the circumferential direction, and the material bearing grooves 2a extend along the axial direction of the roller 2;
the first rotating roller 3 and the second rotating roller 4 are respectively and rotatably arranged at the top end and the bottom end of the first arranging groove 1b1, and the first rotating roller 3 and the second rotating roller 4 are coaxial with the rolling shaft 2;
the annular belt 5 is sleeved on the first rotating roller 3 and the second rotating roller 4, and the annular belt 5 feeds materials outwards along the discharging end of the discharging groove 1b towards the conveying surface on the outer side of the first arranging groove 1b 1;
the hopper is characterized by comprising a servo motor 6, wherein the servo motor 6 is fixedly arranged on the hopper 1, and an output shaft of the servo motor 6 is coaxially and fixedly connected with one end of the roller 2.
Specifically, the hopper 1 is used for supporting and mounting a rolling shaft 2, a first rotating roller 3, a second rotating roller 4 and an annular belt 5;
feeding from the feeding chute 1a, so that powder is accumulated in the feeding chute 1a, and the powder fills the material-receiving chute 2a located at the feeding chute 1a, starting the servo motor 6, so that the output shaft thereof can drive the roller 2 to coaxially rotate in the second installation chute 1c, that is, so that the material-receiving chute 2a filled with powder can rotate in the second installation chute 1c, and the powder falls into the discharge chute 1b in the material-receiving chute 2a under the action of gravity, while one side of the discharge chute 1b is provided with the first installation chute 1b1, and the annular belt 5 is rotatably arranged in the first installation chute 1b1 by the first rotating roller 3 and the second rotating roller 4, that is, so that the first rotating roller 3 and the second rotating roller 4 can drive the annular belt 5 to rotate in the first installation chute 1b1, that the powder in the first installation chute 1b1 is not easily blocked in the first installation chute 1b1, thereby facilitating discharge, and the material-receiving chute 2a has a certain volume, the powder quantity transferred from the feeding chute 1a to the discharging chute 1b is constant, so that uniform discharging is facilitated;
through being provided with in blown down tank 1b inboard can rotate annular area 5, can make powder quick discharge in blown down tank 1b to avoid large granule powder or tiny particle powder to agglomerate the jam in second resettlement groove 1 c.
Further:
in order to solve the technical problem of how the first rotating roller 3 and the second rotating roller 4 drive the endless belt 5 to rotate in the first placing groove 1b1, as shown in fig. 2, the following technical solutions are provided:
the automatic feeding device is characterized by further comprising a synchronous belt 7, wherein one end of the first rotating roller 3 or one end of the second rotating roller 4 are in synchronous transmission connection with one end of the rolling shaft 2 through the synchronous belt 7.
Specifically, when the roller shaft 2 coaxially rotates in the second accommodating groove 1c, one end of the roller shaft 2 can drive the first rotating roller 3 or the second rotating roller 4 to synchronously rotate in the first accommodating groove 1b1 through the synchronous belt 7, so that the annular belt 5 can synchronously rotate in the first accommodating groove 1b1, namely, powder is not easy to block in the discharge groove 1b, and blanking is facilitated;
the roller 2 can drive the endless belt 5 to synchronously convey powder in the first arranging groove 1b1 through the synchronous belt 7, and then the powder can be prevented from being blocked in the first arranging groove 1b 1.
Further:
in order to solve the technical problem of how to install the roller 2, the first roller 3, the second roller 4 and the annular belt 5 in the hopper 1, as shown in fig. 6, the following technical solutions are provided:
the hopper 1 is a separate piece, and the section of the hopper 1 extends along the radial direction of the roller 2.
Specifically, when the hopper 1 is a single piece, the roller shaft 2, the first roller 3, the second roller 4, and the endless belt 5 are not easily disposed in the hopper 1, and when the hopper 1 is a single piece, and the divided section of the hopper 1 extends in the radial direction of the roller shaft 2, that is, the roller shaft 2, the first roller 3, the second roller 4, and the endless belt 5 are rotatably disposed in the hopper 1, thereby facilitating detachment and installation.
Further:
in order to solve the technical problem of how to accurately detect the rotation amount of the roller 2, as shown in fig. 2, the following technical solutions are provided:
still including photoelectric encoder 8, photoelectric encoder 8 sets up on the hopper 1, just photoelectric encoder 8's input and the coaxial fixed connection of one end of roller bearing 2.
Specifically, the photoelectric encoder 8 is electrically connected with the controller, the photoelectric encoder 8 is arranged on the hopper 1, and an input shaft of the photoelectric encoder 8 is coaxially and fixedly connected with one end of the roller 2, so that the photoelectric encoder 8 can convert the mechanical geometric displacement of the roller 2 into pulse or digital quantity and send the pulse or digital quantity to the controller, the controller controls the output displacement of the servo motor 6, and the rotation speed and rotation quantity of the roller 2 in the second accommodating groove 1c can be accurately controlled;
can make the accurate control roller bearing 2's of controller slew rate and rotation volume through photoelectric encoder 8 to be convenient for stably carry the powder.
Further:
in order to solve the technical problem that the powder sprayed from the discharge end of the discharge chute 1b cannot be gathered at one position, as shown in fig. 5 and 6, the following technical scheme is provided:
still including gas frame 9, gas frame 9 sets up the one end of hopper 1, just gas frame 9 is located the discharge end of blown down tank 1b, be provided with air guide groove 9a in the gas frame 9, just air guide groove 9a is along the radial extension of roller bearing 2 and runs through gas frame 9, still be provided with on the gas frame 9 air duct 9b of air guide groove 9a and outside air supply output intercommunication.
Specifically, the air frame 9 is used for forming an air curtain outside the buffer powder at the discharge end of the discharge chute 1b, injecting air into the air guide pipe 9b through an external air source, and blowing the air outwards from the air guide groove 9a, so that air flow surrounds the outside of the powder at the discharge end of the discharge chute 1b, namely, the air curtain is formed at the outside of the powder at the discharge end of the discharge chute 1b, thereby preventing the powder from being sprayed at the discharge end of the discharge chute 1b, and further enabling the powder to be intensively sprayed and attached to a certain area;
the powder at the discharge end of the discharge chute 1b can be intensively sprayed in a certain area through the gas frame 9, so that stable cladding is facilitated.
Further:
in order to solve the technical problem that the air guide groove 9a can smoothly blow air flow along the output direction of the discharging groove 1b, as shown in fig. 5, the following technical scheme is provided:
the width of the air guide chute 9a gradually decreases in the direction of the output of the discharge chute 1 b.
Specifically, the groove width of the air guide groove 9a is gradually reduced along the output direction of the discharge groove 1b, that is, the air can be sprayed out from the narrow air guide groove 9a, so that the air curtain is more stable.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A metal powder conveying device for a laser cladding test,
it is characterized by comprising the following components in percentage by weight,
the hopper (1), a feeding chute (1a) and a discharging chute (1b) extending along the vertical direction are arranged in the hopper (1), the feeding chute (1a) and the discharging chute (1b) penetrate through the hopper (1) along the vertical direction, the width of the feeding chute (1a) is larger than that of the discharging chute (1b), a second placing chute (1c) is arranged between the feeding chute (1a) and the discharging chute (1b), and a first placing chute (1b1) extending along the vertical direction is arranged on one side of the discharging chute (1 b);
the roller (2) is coaxially and rotatably arranged in the second arranging groove (1c), the roller (2) is in clearance fit with the second arranging groove (1c), material bearing grooves (2a) are uniformly distributed on the circumferential surface of the roller (2) along the circumferential direction, and the material bearing grooves (2a) extend along the axial direction of the roller (2);
the first rotating roller (3) and the second rotating roller (4) are respectively and rotatably arranged at the top end and the bottom end of the first arranging groove (1b1), and the first rotating roller (3) and the second rotating roller (4) are in the same axial direction with the rolling shaft (2);
the annular belt (5) is sleeved on the first rotating roller (3) and the second rotating roller (4), and the conveying surface of the annular belt (5) facing the outer side of the first placing groove (1b1) feeds materials outwards along the discharging end of the discharging groove (1 b);
the hopper is characterized by comprising a servo motor (6), wherein the servo motor (6) is fixedly arranged on the hopper (1), and an output shaft of the servo motor (6) is coaxially and fixedly connected with one end of the rolling shaft (2).
2. The metal powder conveying device for the laser cladding test according to claim 1, further comprising a synchronous belt (7), wherein one end of the first rotating roller (3) or the second rotating roller (4) is in synchronous transmission connection with one end of the rolling shaft (2) through the synchronous belt (7).
3. The metal powder conveying device for laser cladding test according to claim 1, characterized in that the hopper (1) is a split part, and the split section of the hopper (1) extends along the radial direction of the roller (2).
4. The metal powder conveying device for the laser cladding test is characterized by further comprising a photoelectric encoder (8), wherein the photoelectric encoder (8) is arranged on the hopper (1), and the input end of the photoelectric encoder (8) is coaxially and fixedly connected with one end of the roller (2).
5. The metal powder conveying device for the laser cladding test is characterized by further comprising a gas frame (9), wherein the gas frame (9) is arranged at one end of the hopper (1), the gas frame (9) is located at the discharge end of the discharge chute (1b), a gas guide groove (9a) is formed in the gas frame (9), the gas guide groove (9a) extends along the radial direction of the roller (2) and penetrates through the gas frame (9), and a gas guide pipe (9b) communicated with the external gas source output end is further arranged on the gas frame (9).
6. The metal powder feeding apparatus for laser cladding test according to claim 5, wherein the width of the gas guiding groove (9a) is gradually decreased in the output direction of the discharging groove (1 b).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268408.9U CN214991858U (en) | 2021-06-07 | 2021-06-07 | Metal powder conveying device for laser cladding test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121268408.9U CN214991858U (en) | 2021-06-07 | 2021-06-07 | Metal powder conveying device for laser cladding test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214991858U true CN214991858U (en) | 2021-12-03 |
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ID=79130375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121268408.9U Active CN214991858U (en) | 2021-06-07 | 2021-06-07 | Metal powder conveying device for laser cladding test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214991858U (en) |
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2021
- 2021-06-07 CN CN202121268408.9U patent/CN214991858U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230721 Address after: 241070 Plant 6, Mould City, Zhanghe Road, Yijiang District, Wuhu, Anhui Province Patentee after: WUHU CHUANGZHI MACHINERY TECHNOLOGY Co.,Ltd. Address before: 241002 No. 16 Wen Jin Road, Yijiang Higher Education Park, Wuhu, Anhui Patentee before: ANHUI TECHNICAL College OF MECHANICAL AND ELECTRICAL ENGINEERING |
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| TR01 | Transfer of patent right |