CN214736090U - Powder feeding device and laser cladding equipment - Google Patents
Powder feeding device and laser cladding equipment Download PDFInfo
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- CN214736090U CN214736090U CN202120596993.9U CN202120596993U CN214736090U CN 214736090 U CN214736090 U CN 214736090U CN 202120596993 U CN202120596993 U CN 202120596993U CN 214736090 U CN214736090 U CN 214736090U
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Abstract
The utility model discloses a send powder device and laser cladding equipment relates to vibration material disk equipment technical field to improve the cooling effect, reduce the volume of sending the powder head, slow down laser cladding equipment wearing and tearing and ageing. The powder feeding device comprises a powder feeding pipe and a double-helix cooling pipeline wound on the outer wall of the powder feeding pipe. The powder feeding pipe is provided with a powder inlet and a powder outlet. The double-helix cooling pipeline is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are both positioned at one end of the powder feeding pipe close to the powder inlet. The laser cladding equipment comprises the powder feeding device provided by the technical scheme. The utility model provides a send whitewashed device is used for carrying the powder.
Description
Technical Field
The utility model relates to a vibration material disk equipment technical field especially relates to a powder feeding device and laser cladding equipment.
Background
At present, in the field of additive manufacturing, a powder feeding pipe needs to be cooled in the process of feeding powder to a laser cladding head. In the prior art, a cooling water pipe extends from a powder inlet of a powder feeding pipe to a powder outlet of the powder feeding pipe along the extending direction of the powder feeding pipe, and the cooling water pipe is in contact with the outer wall of the powder feeding pipe. And in the contact process of the cooling water in the cooling water pipe and the powder feeding pipe, the heat exchange with the powder feeding pipe is realized, so that the powder feeding pipe is cooled.
However, the contact area between the existing cooling water pipe and the powder feeding pipe is small, and the cooling effect is not good. If the cooling effect of the cooling water pipes is increased, the number of the cooling water pipes needs to be increased, so that the size of the powder feeding head is too large, the load of a beam of the laser cladding equipment is increased, and the abrasion and the aging of the laser cladding equipment are accelerated.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a powder feeding device and laser cladding equipment to improve the cooling effect, reduce the volume of sending the powder head, slow down laser cladding equipment wearing and tearing and ageing.
In a first aspect, the present invention provides a powder feeder. The powder feeding device comprises a powder feeding pipe and a double-helix cooling pipeline wound on the outer wall of the powder feeding pipe. The powder feeding pipe is provided with a powder inlet and a powder outlet. The double-helix cooling pipeline is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are both positioned at one end of the powder feeding pipe close to the powder inlet.
Under the condition of adopting above-mentioned technical scheme, double helix cooling pipeline twines the outer wall of sending the powder pipe, can increase double helix cooling pipeline and send the area of contact of powder pipe, improves the cooling effect to compact structure leads to sending the volume of powder device too big, thereby can not lead to sending the powder head volume too big, avoids increasing the crossbeam bearing of laser cladding equipment, in order to slow down laser cladding equipment wearing and tearing and ageing. In addition, the liquid outlet is located the powder pipe and is close to the one end of advancing the powder mouth for the liquid outlet is kept away from the powder outlet of powder pipe, avoids because of the powder outlet high temperature of powder pipe, leads to the liquid outlet life-span to shorten.
In a possible implementation manner, the double-spiral cooling pipeline is provided with a first spiral channel, a second spiral channel and a communication channel arranged on the outer wall of the powder feeding pipe. The first spiral channel is wound on the outer wall of the powder feeding pipe, and the liquid inlet is positioned at one end of the first spiral channel close to the powder inlet. The second spiral channel is wound on the outer wall of the powder feeding pipe, and the liquid outlet is located at one end, close to the powder inlet, of the second spiral channel. The communication channel connects the first spiral channel and the second spiral channel.
In a possible implementation manner, the double-helix cooling pipeline comprises a first helix pipe, a second helix pipe and a communicating pipe arranged on the outer wall of the powder feeding pipe. The first spiral pipe is wound on the outer wall of the powder feeding pipe, and the first spiral channel is located inside the first spiral pipe. The second spiral pipe is wound on the outer wall of the powder feeding pipe, and the second spiral channel is located inside the second spiral pipe. The communicating pipe is communicated with the first spiral pipe and the second spiral pipe.
In a possible implementation manner, the double-spiral pipeline comprises a channel carrier sleeved on the outer wall of the powder feeding pipe, and a first spiral channel, a second spiral channel and a communication channel are formed in the channel carrier.
In a possible implementation manner, the surface of the channel carrier contacting the powder feeding pipe is provided with a first spiral opening and a second spiral opening. The first spiral opening is communicated with the first spiral channel, and the second spiral opening is communicated with the second spiral channel.
In a possible implementation manner, the spiral direction of the first spiral channel is the same as the spiral direction of the second spiral channel.
In a possible implementation manner, the spiral direction of the first spiral channel is different from the spiral direction of the second spiral channel.
In a possible implementation, the helical angle of the first spiral channel is 45 ° to 60 °.
In a possible implementation, the helical angle of the second spiral channel is 45 ° to 60 °.
In a possible implementation manner, the liquid outlet is located at one end of the liquid inlet far away from the powder inlet.
In a possible implementation mode, the powder feeding pipe and the double-spiral cooling pipeline are integrally formed.
In a possible implementation mode, the powder feeding pipe and the double-spiral cooling pipeline are formed in a separated mode.
In a second aspect, the present invention further provides a laser cladding apparatus. The laser cladding equipment comprises the powder feeding device described in the first aspect or any possible implementation manner of the first aspect.
The beneficial effects of the laser cladding apparatus provided by the second aspect are the same as those of the powder feeding device described in the first aspect or any possible implementation manner of the first aspect, and are not described herein again.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of the internal structure of a powder feeder according to an embodiment of the present invention;
FIG. 2 is a schematic view of a powder feeding device according to an embodiment of the present invention;
FIG. 3 is another schematic view of the powder feeding device according to the embodiment of the present invention;
fig. 4 is a cross-sectional view of the powder feeding device in the embodiment of the present invention.
Reference numerals: 100-powder feeding pipe, 110-powder inlet, 120-powder outlet, 200-double-helix cooling pipeline, 210-liquid inlet, 220-liquid outlet, 230-first helical channel, 240-second helical channel, 250-communicating channel and 260-channel carrier.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The utility model provides a laser cladding equipment, this laser cladding equipment include the powder feeding device, and the powder feeding device is connected on the laser cladding head of laser cladding equipment. The powder feeding device comprises a powder feeding pipe, and the laser cladding equipment feeds powder to the molten pool through the powder feeding pipe. The powder feeding device can improve the cooling effect on the powder feeding pipe, is compact in structure, and causes the size of the powder feeding device to be too large, so that the size of a powder feeding head is not too large, the increase of the bearing of a beam of laser cladding equipment is avoided, and the abrasion and the aging of the laser cladding equipment are slowed down.
In practical application, the powder feeding device is provided with a liquid inlet and a liquid outlet. The laser cladding equipment also comprises a cooling device for circulating cooling water. The cooling device may be a water cooler, but is not limited thereto. The cooling device cools the powder feeding pipe and discharges the cooled water into the cooling device through the liquid outlet, and the cooling device cools the cooled water which is connected with the powder feeding pipe and then discharges the cooled water into the powder feeding device again after cooling, so that the cooling device can provide the cooled water for the powder feeding device.
The utility model provides a powder feeding device. Fig. 1 illustrates an internal structure schematic diagram of the powder feeding device in the embodiment of the present invention. As shown in fig. 1, the powder feeding apparatus includes a powder feeding pipe 100 and a double spiral cooling pipe 200 wound around an outer wall of the powder feeding pipe 100. The powder feeding tube 100 has a powder inlet 110 and a powder outlet 120. The double-helix cooling pipeline 200 is provided with a liquid inlet 210 and a liquid outlet 220, and the liquid inlet 210 and the liquid outlet 220 are both positioned at one end of the powder feeding pipe 100 close to the powder inlet 110.
As shown in fig. 1, cooling water enters the double-spiral cooling pipe 200 from the liquid inlet 210, flows along the extending direction of the double-spiral cooling pipe 200, and exits the double-spiral cooling pipe 200 from the liquid outlet 220. During the process that the cooling water flows from the liquid inlet 210 to the liquid outlet 220 along the double-helix cooling pipeline 200, the cooling water contacts with the powder feeding pipe 100 and exchanges heat with the powder feeding pipe 100, so that the powder feeding pipe 100 is cooled.
Under the condition of adopting the technical scheme, as shown in fig. 1, the double-helix cooling pipeline 200 is wound on the outer wall of the powder feeding pipe 100, so that the contact area between the double-helix cooling pipeline 200 and the powder feeding pipe 100 can be increased, the cooling effect is improved, the structure is compact, the size of the powder feeding device is too large, the size of a powder feeding head is not too large, the increase of the beam bearing of laser cladding equipment is avoided, and the abrasion and the aging of the laser cladding equipment are slowed down. In addition, the liquid outlet 220 is located at one end of the powder feeding tube 100 close to the powder inlet 110, so that the liquid outlet 220 is far away from the powder outlet 120 of the powder feeding tube 100, and the service life of the liquid outlet 220 is prevented from being shortened due to overhigh temperature of the powder outlet 120 of the powder feeding tube 100.
As a possible implementation manner, as shown in FIG. 1, the powder feeding pipe 100 may be integrally formed with the double spiral cooling pipe 200. Of course, the powder feeding pipe 100 may be formed separately from the double spiral cooling pipe 200, and then the double spiral cooling pipe 200 may be attached to the outer wall of the powder feeding pipe 100, which is not limited herein.
In one example, as shown in fig. 1, the double spiral cooling pipe 200 is made of a material with excellent thermal conductivity, such as copper, but not limited thereto.
As a possible implementation manner, as shown in fig. 1, the liquid outlet 220 may be located at an end of the liquid inlet 210 far from the powder inlet 110. In practical applications, the powder outlet 120 of the powder feeding tube 100 is located below the powder inlet 110, and the liquid outlet 220 is located at an end of the liquid inlet 210 away from the powder inlet 110, so that the liquid outlet 220 is located below the liquid inlet 210, and the cooling water in the double-helix cooling pipeline 200 is easier to be discharged from the liquid outlet 220.
As a possible implementation manner, as shown in FIG. 1, the double spiral cooling pipeline 200 may have a first spiral channel 230, a second spiral channel 240, and a communication channel 250 provided on the outer wall of the powder feeding pipe 100. The first spiral channel 230 is wound around the outer wall of the powder feeding pipe 100, and the liquid inlet 210 is located at one end of the first spiral channel 230 near the powder inlet 110. The second spiral channel 240 is wound around the outer wall of the powder feeding pipe 100, and the liquid outlet 220 is located at one end of the second spiral channel 240 close to the powder inlet 110. The communication passage 250 connects the first spiral passage 230 and the second spiral passage 240.
In the case of the above-described technical solution, as shown in fig. 1, the double spiral cooling pipe 200 includes a first spiral passage 230, a second spiral passage 240, and a communication passage 250 provided on an outer wall of the powder feeding pipe 100. The first spiral channel 230 is wound around the outer wall of the powder feeding pipe 100, and the liquid inlet 210 is located at one end of the first spiral channel 230 near the powder inlet 110. Based on this, the cooling water can enter the first spiral channel 230 from the liquid inlet 210, and the cooling water contacts the powder feeding pipe 100 during flowing in the first spiral channel 230, thereby cooling the powder feeding pipe 100. In addition, the communication passage 250 connects the first spiral passage 230 and the second spiral passage 240, so that the cooling water in the first spiral passage 230 can enter the second spiral passage 240 through the communication passage 250 and be discharged from the liquid outlet 220 along the second spiral passage 240. Furthermore, the second spiral channel 240 is wound on the outer wall of the powder feeding pipe 100, and the liquid outlet 220 is located at one end of the second spiral channel 240 close to the powder inlet 110, so that the liquid outlet 220 is far away from the powder outlet 120 of the powder feeding pipe 100, and the cooling water can contact with the powder feeding pipe 100 in the discharging process along the liquid outlet 220 from the second spiral channel 240, so that the cooling water can cool the powder feeding pipe 100 in the discharging process, thereby improving the cooling effect.
In an alternative mode, the double-helix cooling pipeline can comprise a first helix pipe, a second helix pipe and a communicating pipe arranged on the outer wall of the powder conveying pipe. The first spiral pipe is wound on the outer wall of the powder feeding pipe, and the first spiral channel is located inside the first spiral pipe, namely the pipe inner channel of the first spiral pipe is the first spiral channel. The second spiral pipe is wound on the outer wall of the powder feeding pipe, and the second spiral channel is located inside the second spiral pipe, namely the inner channel of the second spiral pipe is the second spiral channel. The communicating pipe is communicated with the first spiral pipe and the second spiral pipe.
In another alternative, fig. 2 illustrates a schematic diagram of a powder feeding device in an embodiment of the present invention. Fig. 3 illustrates another schematic view of the powder feeding device in the embodiment of the present invention. Fig. 4 illustrates a cross-sectional view of the powder feeding device in the embodiment of the present invention. As shown in fig. 2 to 4, the double spiral pipeline may include a channel carrier 260 that is fitted around the outer wall of the powder feeding pipe 100. The channel carrier 260 may be a sleeve fitted over the outer wall of the powder feeding tube 100, but is not limited thereto. The channel carrier 260 has a first spiral channel 230, a second spiral channel 240 and a communication channel 250 formed therein.
In one example, as shown in fig. 3 and 4, the surface of the channel carrier 260 contacting the powder feeding tube 100 may be provided with a first spiral opening and a second spiral opening. The first helical opening communicates with the first helical channel 230 and the second helical opening communicates with the second helical channel 240.
In the case of the above technical solution, as shown in fig. 3 and 4, the surface of the channel carrier 260 contacting the powder feeding tube 100 is provided with a first spiral opening and a second spiral opening. The first spiral opening is communicated with the first spiral channel 230, and the cooling water in the first spiral channel 230 can directly contact with the powder feeding pipe 100, so that the cooling effect on the powder feeding pipe 100 is improved. The second spiral opening is communicated with the second spiral channel 240, and cooling water in the second spiral channel 240 can directly contact with the powder feeding pipe 100, so that the cooling effect on the powder feeding pipe 100 is improved.
In an alternative, as shown in fig. 2, the spiral direction of the first spiral channel 230 may be the same as the spiral direction of the second spiral channel 240.
Under the condition of adopting the technical scheme, as shown in fig. 2, the spiral direction of the first spiral channel 230 is the same as that of the second spiral channel 240, so that the contact area between the first spiral channel 230 and the second spiral channel 240 and the powder feeding pipe 100 is increased, the cooling effect on the powder feeding pipe 100 is improved, and the structures of the first spiral channel 230 and the second spiral channel 240 are more compact.
In another alternative, the spiral direction of the first spiral channel may be different from the spiral direction of the second spiral channel.
In an alternative, as shown in fig. 1, the spiral angle of the first spiral channel 230 may be 45 ° to 60 °, and the spiral angle of the first spiral channel 230 is α.
In the case of the above technical solution, as shown in fig. 1, the larger the helix angle of the first spiral channel 230 is, the smaller the flow velocity of the cooling water in the first spiral channel 230 is, and the poorer the cooling effect is; the smaller the helix angle of the first spiral passage 230 is, the shorter the length of the first spiral passage 230 which can be wound on the powder feeding pipe 100 is, and the smaller the contact area between the first spiral passage 230 and the powder feeding pipe 100 is, the poorer the cooling effect is; the helix angle of the first spiral channel 230 is 45-60 degrees, which can take account of the flow rate of the cooling water and the length of the first spiral channel 230 wound on the powder feeding pipe 100, thereby improving the cooling effect.
In an alternative, as shown in fig. 1, the helical angle of the second spiral channel 240 may be 45 ° to 60 °, and the helical angle of the second spiral channel 240 is β.
In the case of the above technical solution, as shown in fig. 1, the larger the helix angle of the second spiral channel 240 is, the smaller the flow velocity of the cooling water in the second spiral channel 240 is, and the poorer the cooling effect is; the smaller the helix angle of the second spiral channel 240 is, the shorter the length of the second spiral channel 240 which can be wound on the powder feeding pipe 100 is, and the smaller the contact area between the second spiral channel 240 and the powder feeding pipe 100 is, the poorer the cooling effect is; the helix angle of the second spiral channel 240 is 45-60 degrees, which can take account of the flow rate of the cooling water and the length of the second spiral channel 240 wound on the powder feeding pipe 100, thereby improving the cooling effect.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A powder feeding apparatus, characterized by comprising:
the powder feeding pipe is provided with a powder inlet and a powder outlet;
and the double-helix cooling pipeline is wound on the outer wall of the powder feeding pipe, the double-helix cooling pipeline is provided with a liquid inlet and a liquid outlet, and the liquid inlet and the liquid outlet are both positioned at one end, close to the powder inlet, of the powder feeding pipe.
2. The powder feeding apparatus according to claim 1, wherein the double spiral cooling line has:
the first spiral channel is wound on the outer wall of the powder feeding pipe, and the liquid inlet is positioned at one end, close to the powder inlet, of the first spiral channel;
the second spiral channel is wound on the outer wall of the powder feeding pipe, and the liquid outlet is positioned at one end, close to the powder inlet, of the second spiral channel;
and the communicating channel is arranged on the outer wall of the powder feeding pipe and is connected with the first spiral channel and the second spiral channel.
3. The powder feeding apparatus according to claim 2, wherein the double spiral cooling line comprises:
the first spiral pipe is wound on the outer wall of the powder feeding pipe, and the first spiral channel is positioned inside the first spiral pipe;
the second spiral pipe is wound on the outer wall of the powder feeding pipe, and the second spiral channel is positioned inside the second spiral pipe;
and the communicating pipe is arranged on the outer wall of the powder feeding pipe and is communicated with the first spiral pipe and the second spiral pipe.
4. The powder feeding device according to claim 2, wherein the double spiral pipeline comprises a channel carrier sleeved on an outer wall of the powder feeding pipe, and the first spiral channel, the second spiral channel and the communication channel are formed inside the channel carrier.
5. The powder feeding device as claimed in claim 4, wherein the surface of the channel carrier contacting the powder feeding pipe is provided with a first spiral opening and a second spiral opening, the first spiral opening is communicated with the first spiral channel, and the second spiral opening is communicated with the second spiral channel.
6. The powder feeding device according to any one of claims 2 to 5, wherein the spiral direction of the first spiral channel is the same as the spiral direction of the second spiral channel; or the like, or, alternatively,
the spiral direction of the first spiral channel is different from the spiral direction of the second spiral channel.
7. The powder feeding device according to any one of claims 2 to 5, wherein the helix angle of the first helical channel is 45 ° to 60 °; and/or the presence of a gas in the gas,
the spiral angle of the second spiral channel is 45-60 degrees.
8. The powder feeding device according to any one of claims 1 to 5, wherein the liquid outlet is located at one end of the liquid inlet, which is far away from the powder inlet.
9. The powder feeding device according to any one of claims 1 to 5, wherein the powder feeding pipe is integrally formed with the double spiral cooling pipe; or the like, or, alternatively,
the powder feeding pipe and the double-helix cooling pipeline are formed in a split mode.
10. A laser cladding apparatus, characterized by comprising the powder feeding device of any one of claims 1 to 9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120596993.9U CN214736090U (en) | 2021-03-24 | 2021-03-24 | Powder feeding device and laser cladding equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120596993.9U CN214736090U (en) | 2021-03-24 | 2021-03-24 | Powder feeding device and laser cladding equipment |
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| CN214736090U true CN214736090U (en) | 2021-11-16 |
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| CN202120596993.9U Active CN214736090U (en) | 2021-03-24 | 2021-03-24 | Powder feeding device and laser cladding equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061886A (en) * | 2021-03-24 | 2021-07-02 | 沈阳精合数控科技开发有限公司 | Powder feeding device and laser cladding equipment |
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2021
- 2021-03-24 CN CN202120596993.9U patent/CN214736090U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113061886A (en) * | 2021-03-24 | 2021-07-02 | 沈阳精合数控科技开发有限公司 | Powder feeding device and laser cladding equipment |
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| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Military Standard Quality Testing (Shenyang) Co.,Ltd. Assignor: SHENYANG JINGHE CNC TECHNOLOGY DEVELOPMENT CO.,LTD. Contract record no.: X2023210000076 Denomination of utility model: A powder feeding device and laser cladding equipment Granted publication date: 20211116 License type: Common License Record date: 20230901 |
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| EE01 | Entry into force of recordation of patent licensing contract |