CN211539880U - Temperature regulating device for electric arc additive manufacturing - Google Patents
Temperature regulating device for electric arc additive manufacturing Download PDFInfo
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- CN211539880U CN211539880U CN201922389951.3U CN201922389951U CN211539880U CN 211539880 U CN211539880 U CN 211539880U CN 201922389951 U CN201922389951 U CN 201922389951U CN 211539880 U CN211539880 U CN 211539880U
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Abstract
The utility model discloses an electric arc is temperature regulation apparatus for vibration material disk, include vibration material disk groove, set up the anchor clamps that are used for the centre gripping base plate in vibration material disk groove bottom, the upper portion of base plate is equipped with welder, be equipped with the cooling water in the vibration material disk groove, the relative both sides in vibration material disk groove are equipped with water intaking valve and outlet valve respectively; the water inlet valve and the water outlet valve are respectively connected with one water pump through water pipes; the water inlet valve, the water outlet valve, the temperature sensor and the distance sensor are all electrically connected with the controller. The utility model discloses a temperature regulation apparatus for electric arc vibration material disk can adjust the temperature of materials that heat conductivities such as aluminum alloy are strong, thermal capacity is big to avoid the higher shaping difficulty that arouses of temperature and the technical problem of shaping quality discrepancy.
Description
Technical Field
The utility model relates to a vibration material disk field, concretely relates to electric arc is temperature regulation apparatus for vibration material disk.
Background
Additive manufacturing is a rapid prototyping process. Additive manufacturing is mainly classified into laser additive manufacturing, electron beam additive manufacturing, and arc additive manufacturing according to different additive manufacturing heat sources. The laser additive manufacturing and the electron beam additive manufacturing mainly adopt a mode of melting and accumulating metal powder layer by layer to manufacture various metal components with complex structures; the electric arc additive manufacturing mainly adopts a mode of stacking metal wires or powder layer by layer, and compared with laser additive manufacturing and electron beam additive manufacturing, the electric arc additive manufacturing has the advantages of lower cost, high forming speed and high efficiency. The equipment cost and the raw material cost of laser additive manufacturing and electron beam additive manufacturing are high, and the method is not suitable for additive manufacturing of materials with strong heat conductivity, such as aluminum alloy. The aluminum alloy is a material with strong heat conductivity and large heat capacity, and has the characteristics of large linear expansion coefficient, low melting point, small high-temperature strength and the like, so that the heat accumulation of the aluminum alloy is large in the additive manufacturing process, the deformation of the aluminum alloy is large, the additive manufacturing forming quality is poor, and the forming is difficult.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's not enough, provide an electric arc is temperature regulation apparatus for vibration material disk, can adjust the temperature of materials that heat conductivities such as aluminum alloy are strong, thermal capacity is big to avoid the higher shaping difficulty that arouses of temperature and the technical problem of shaping quality discrepancy.
In order to achieve the above object, the utility model provides an electric arc is temperature regulation apparatus for vibration material disk, including vibration material disk groove, set up the anchor clamps that are used for the centre gripping base plate in vibration material disk groove bottom, the upper portion of base plate is equipped with welder, be equipped with cooling water in the vibration material disk groove, the relative both sides in vibration material disk groove are equipped with water intaking valve and outlet valve respectively;
the water inlet valve and the water outlet valve are respectively connected with one water pump through water pipes;
the water inlet valve, the water outlet valve, the temperature sensor and the distance sensor are all electrically connected with the controller.
Preferably, the water inlet valve is a first electromagnetic water valve, and the water outlet valve is a second electromagnetic water valve.
Preferably, a cooling fan is disposed at an upper portion of an inner side of the water tank, and the cooling fan is electrically connected to the controller.
According to a preferable scheme, the two water pumps are respectively a first water pump and a second water pump, a third electromagnetic water valve and a fourth electromagnetic water valve are respectively arranged on the side wall of the water tank, the third electromagnetic water valve is respectively connected with the water inlet valve and the first water pump through a water pipe, and the fourth electromagnetic water valve is respectively connected with the water outlet valve and the second water pump through the water pumps.
As a preferable scheme, the additive manufacturing tank, the water tank, the two water pumps, the water inlet valve and the water outlet valve form a circulating flow loop, the distance between the water level in the additive manufacturing tank and a molten pool is 25-45 mm, and the water temperature is 20-35 ℃.
Preferably, the flow speed of the cooling water of the circulating flow circuit is 3L/min, and the water level in the additive manufacturing tank is kept unchanged.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses an electric arc is anchor clamps of temperature regulation apparatus for vibration material disk and is fixed the base plate through vibration material disk bottom portion presss from both sides tightly, the upper portion of base plate is equipped with welder, utilize controller control water intaking valve, outlet valve and two water pumps make vibration material disk and the interior cooling water of basin form the loop of circulation flow, at welder during operation, welder directly carries out vibration material disk on the substrate, the heat that the circulation flow loop of cooling water can produce welder during operation utilizes the cooling water cooling, can adjust the temperature of the material that thermal conductivity is strong such as aluminum alloy, the thermal capacity is big, avoid the higher shaping difficulty and the shaping quality problem of mixing of poor that arouses of temperature.
The temperature of the cooling water in the additive manufacturing tank is monitored by the temperature sensor, the temperature of the cooling water is controlled to be within a set range by the controller, the water level in the additive manufacturing tank is measured by the distance sensor to enable the water level to be within the set range, and therefore the water level of the additive manufacturing tank is conveniently controlled, and the temperature of the sample on the base material is optimally reduced.
The utility model discloses an electric arc is temperature regulation apparatus for vibration material disk's simple structure, it is with low costs.
The temperature adjusting device for the electric arc additive manufacturing can effectively control the interlayer temperature of a sample for additive manufacturing and improve the cooling speed of the sample; the method can be suitable for the process of arc additive manufacturing of various materials; the size of the cooling water tank can be designed according to the size of the additive manufacturing sample, and the flexibility is strong; the flow speed of the cooling water can be accurately adjusted and controlled, and the cooling effect is good.
Drawings
Fig. 1 is a schematic structural diagram of a temperature adjustment device for arc additive manufacturing in an embodiment of the present invention.
In the figure, 1, an additive manufacturing tank; 2. a water tank; 3. a clamp; 4. a welding gun; 5. a substrate; 6. A sample; 7. a water inlet valve; 8. a water outlet valve; 9. a water pump; 10. a temperature sensor; 11. a distance sensor; 12. and a cooling fan.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", and the like indicate orientations or positional relationships based on those 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 particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. It should be understood that the terms "first", "second", etc. are used herein to describe various information, but the information should not be limited to these terms, and these terms are only used to distinguish one type of information from another. For example, "first" information may also be referred to as "second" information, and similarly, "second" information may also be referred to as "first" information, without departing from the scope of the present invention.
The utility model discloses an electric arc is temperature regulation apparatus for vibration material disk's preferred embodiment, as shown in FIG. 1, including vibration material disk groove 1 and basin 2, vibration material disk groove 1 specifically can be coolant tank, and basin 2 specifically is the storage water tank, and vibration material disk groove 1's bottom is fixed with support 11, is equipped with base plate 5 on support 11, utilizes anchor clamps 3 to fix base plate 5 on support 11, and the welder 4 of vibration material disk structure is located the upper portion of base plate 2, and vibration material disk structure work makes welder 4 can carry out vibration material disk on base plate 2 and make.
Cooling water is added into the additive manufacturing groove 1 and the water groove 2, the water level of the cooling water is at the corresponding height of the base plate 5, and the water level of the cooling water is gradually increased by increasing the height of the additive-molded sample 6 along with the additive manufacturing work, so that the sample 6 is cooled. Specifically, a water inlet valve 7 and a water outlet valve 8 are respectively installed on two opposite sides of the additive manufacturing groove 1, two water pumps 9 are arranged in the water groove 2, the water inlet valve 7 and the water outlet valve 8 are respectively connected with one water pump 9 through water pipes, when the water inlet valve 7 and/or the water outlet valve 8 are/is opened, the water pumps 9 work to enable water in the additive manufacturing groove 4 to flow, and therefore the temperature of a sample in the additive manufacturing groove 4 can be reduced. The water inlet valve 7, the water outlet valve 8 and the two water pumps 9 are controlled to enable cooling water in the additive manufacturing groove 1 and the water tank 2 to form a circulating flow loop, when the welding gun 4 works, the welding gun 4 directly carries out additive manufacturing on the substrate 5, the circulating flow loop of the cooling water can cool heat generated when the welding gun 4 works by utilizing the cooling water, the temperature of materials with strong heat conductivity and large heat capacity such as aluminum alloy and the like can be adjusted, and the problems of difficult forming and poor forming quality caused by high temperature are solved.
Meanwhile, in order to further accurately control the water level and the water temperature in the additive manufacturing groove and conveniently and rapidly reduce the temperature of the sample, the upper part of the inner wall of the additive manufacturing groove 1 is also provided with a temperature sensor 10 and a distance sensor 11, a controller is arranged inside or outside the additive manufacturing groove 1, the water inlet valve 7, the water outlet valve 8, the temperature sensor 10 and the distance sensor 11 are all electrically connected with the controller, the temperature sensor 10 is used for monitoring the water temperature in the additive manufacturing groove and transmitting the water temperature to the controller, and the water temperature is compared with the preset water temperature in the controller, so that the controller controls the opening and closing of the two water pumps 9, the water inlet valve 7 and the water outlet valve 8; and monitoring the water level height in the additive manufacturing groove 1 by using the distance sensor 11 and transmitting the water level height to the controller, wherein the water level height is compared with the water level height preset in the controller, so that the controller controls the opening and closing of the two water pumps 9, the water inlet valve 7 and the water outlet valve 8. Therefore, the water temperature and the water level height in the additive manufacturing groove 1 can be accurately controlled, so that the cooling water can rapidly cool the sample, the cooling speed is increased, and the additive manufacturing quality and efficiency are improved.
Specifically, the water inlet valve 7 is a first electromagnetic water valve, the water outlet valve 8 is a second electromagnetic water valve, and the first electromagnetic water valve and the second electromagnetic water valve are both in point connection with the controller.
A cooling fan 12 is installed at an upper portion of the inside of the water tank 2, the cooling fan 12 is electrically connected to the controller, and the cooling fan 12 is used for cooling the water in the water tank 2 to increase the cooling rate of the water in the water tank 2.
The two water pumps 9 are respectively a first water pump and a second water pump, a third electromagnetic water valve and a fourth electromagnetic water valve are respectively arranged on the side wall of the water tank 2, the third electromagnetic water valve is respectively connected with the water inlet valve 7 and the first water pump through a water pipe, and the fourth electromagnetic water valve is respectively connected with the water outlet valve 8 and the second water pump through the water pumps. The third electromagnetic water valve and the fourth electromagnetic water valve are used for controlling the flow of the water in the water tank 2 to be opened and closed.
The utility model discloses an electric arc is temperature regulation apparatus for vibration material disk's theory of operation: installing and positioning an aluminum alloy substrate with the thickness of 20mm on a clamp, injecting cooling water into an additive manufacturing groove and a water groove, and enabling the water level of the cooling water in the additive manufacturing groove to reach the substrate; starting the two water pumps, the water inlet valve and the water outlet valve to form a circulating flow loop in which cooling water flows from the water tank to the additive manufacturing tank and then flows to the water tank, wherein the flow speed of the cooling water in the circulating flow loop is 3L/min, and the water level in the additive manufacturing tank is kept unchanged; thus, the circulating flow loop drives the cooling water after the temperature rise in the additive manufacturing tank to flow back to the water tank for cooling, and the cooling water after the cooling in the water tank can enter the additive manufacturing tank to cool the sample.
The welding gun is connected with the welding power supply, the robot system and the wire feeding mechanism; and performing path planning and layered calculation on the three-dimensional model by using additive manufacturing software to form an additive manufacturing operation program, and importing the additive manufacturing operation program into the robot system. And the robot system controls a welding gun to work to perform additive manufacturing, wherein the diameter of a welding wire of the welding gun is 1.2mm, and the welding wire is made of aluminum alloy. Because materials such as aluminum alloy have that the heat conductivity is strong and thermal capacity is big, have that the coefficient of linear expansion is great, the melting point is low and high temperature intensity is little characteristics, adopt this application circulation flow return circuit can be timely the reduction shaping sample's temperature, improve the shaping quality and the efficiency of sample.
Monitoring the water temperature in the additive manufacturing groove by using a temperature sensor and transmitting the water temperature to a controller, wherein the water temperature is compared with the water temperature preset in the controller, so that the controller controls the opening and closing of two water pumps, a water inlet valve and a water outlet valve to realize the stable control of the temperature of cooling water, and the water temperature in the additive manufacturing groove is controlled to be 20-35 ℃ so as to ensure that the molding temperature of a sample is lower and the sample is convenient to mold; monitoring the water level height in the additive manufacturing groove by using a distance sensor and transmitting the water level height to a controller, wherein the water level height is compared with the water level height preset in the controller, so that the controller controls the opening and closing of the two water pumps, the water inlet valve and the water outlet valve; specifically, the distance between the water level in the additive manufacturing tank and a molten pool (namely the position where the electric arc melts the material) is 25-45 mm, so that the stable control of the water level height in the additive manufacturing tank is realized.
And (4) after the additive manufacturing program is finished, the welding gun is moved upwards and closed, the cooling water level is raised to submerge the whole sample, or the workpiece or the sample is not submerged, the cooling water is kept to circularly flow, the controller controls the two water pumps, the water inlet valve and the water outlet valve to be closed until the cooling water is continuously circularly cooled for 3-6 minutes, preferably 5 minutes, and the additive manufacturing process is finished.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (6)
1. A temperature regulating device for electric arc additive manufacturing comprises an additive manufacturing groove and a clamp which is arranged at the bottom of the additive manufacturing groove and used for clamping a substrate, wherein a welding gun is arranged at the upper part of the substrate;
the water inlet valve and the water outlet valve are respectively connected with one water pump through water pipes;
the water inlet valve, the water outlet valve, the temperature sensor and the distance sensor are all electrically connected with the controller.
2. The temperature regulating device for arc additive manufacturing according to claim 1, wherein the water inlet valve is a first electromagnetic water valve, and the water outlet valve is a second electromagnetic water valve.
3. The temperature adjustment apparatus for arc additive manufacturing according to claim 1, wherein a cooling fan is provided at an upper portion inside the water tank, and the cooling fan is electrically connected to the controller.
4. The temperature adjusting device for arc additive manufacturing according to claim 1, wherein the two water pumps are a first water pump and a second water pump, the side wall of the water tank is provided with a third electromagnetic water valve and a fourth electromagnetic water valve, the third electromagnetic water valve is connected with the water inlet valve and the first water pump through a water pipe, and the fourth electromagnetic water valve is connected with the water outlet valve and the second water pump through a water pump.
5. The temperature regulating device for arc additive manufacturing according to claim 1, wherein the additive manufacturing tank, the water tank, the two water pumps, the water inlet valve and the water outlet valve form a circulating flow loop, the distance between the water level in the additive manufacturing tank and the molten pool is 25mm-45mm, and the water temperature is 20 ℃ to 35 ℃.
6. The temperature adjustment device for arc additive manufacturing according to claim 5, wherein a flow speed of cooling water in the circulation flow circuit is 3L/min, and a water level in the additive manufacturing tank is kept constant.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922389951.3U CN211539880U (en) | 2019-12-25 | 2019-12-25 | Temperature regulating device for electric arc additive manufacturing |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922389951.3U CN211539880U (en) | 2019-12-25 | 2019-12-25 | Temperature regulating device for electric arc additive manufacturing |
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| CN211539880U true CN211539880U (en) | 2020-09-22 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894067A (en) * | 2021-01-29 | 2021-06-04 | 重庆邮电大学 | Method for controlling shape of circular ring structural member during wire arc additive manufacturing |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112894067A (en) * | 2021-01-29 | 2021-06-04 | 重庆邮电大学 | Method for controlling shape of circular ring structural member during wire arc additive manufacturing |
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