CN212264536U - High-energy beam additive manufacturing equipment - Google Patents
High-energy beam additive manufacturing equipment Download PDFInfo
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- CN212264536U CN212264536U CN202020852178.XU CN202020852178U CN212264536U CN 212264536 U CN212264536 U CN 212264536U CN 202020852178 U CN202020852178 U CN 202020852178U CN 212264536 U CN212264536 U CN 212264536U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The utility model discloses a high-energy beam additive manufacturing device, which comprises a shell, a high-energy beam emitter, a model path controller, a forming cabin, a forming platform positioned in the forming cabin, a powder feeding platform positioned at the right side of the forming platform, a powder rake positioned above the powder feeding platform, and a temperature control mechanism for controlling the temperature of the forming platform, the temperature control mechanism comprises a cooler, a heater, a thermocouple and a first PID controller electrically connected with the thermocouple, the cooler and the heater, the temperature control mechanism of the utility model is convenient for accurately controlling the cooling speed of the forming platform, ensures that the melting forming is carried out at the most suitable temperature so as to achieve the best material performance, therefore, the quality of the workpiece is improved, and the heights of the forming platform and the powder feeding platform are convenient to adjust due to the arrangement of the first lifting mechanism and the second lifting mechanism, so that the workpiece is accurately formed.
Description
Technical Field
The utility model relates to a metal material makes the field, concretely relates to high energy beam vibration material disk equipment.
Background
The metal structure integrated into one piece has many advantages, reduces the assembly, prolongs the life, and the structure is optimized etc. Current metal structure integration techniques include powder metallurgy and additive manufacturing techniques. Powder metallurgy is formed by sintering metal powder in a prefabricated shape at high pressure, material forming is completed through environment control of high temperature and high pressure, but accurate control of a local structure of a workpiece is difficult to achieve, and therefore local accuracy of the workpiece manufactured through powder metallurgy is poor. The additive manufacturing uses laser or electron beam to melt and form raw material powder layer by layer, and material forming is completed through the control of a micro molten pool, so that local accurate forming of a formed workpiece can be realized, but in the forming process of the workpiece, because the existing equipment does not have a sensitive temperature control device, the temperature difference inside the workpiece is large, internal stress is easily generated, macroscopic defects of the workpiece, such as warping, layering, deformation and the like, are caused, and the practicability of the workpiece and the quality of the workpiece are influenced.
Therefore, it is a considerable problem to provide a high energy beam additive manufacturing apparatus that facilitates controlling the cooling rate of the forming table.
Disclosure of Invention
To the deficiency of the prior art, the utility model aims at providing a high energy beam vibration material disk equipment convenient to control the cooling rate of shaping platform.
The purpose of the utility model is realized like this:
the utility model provides a high energy beam vibration material disk equipment, includes the casing, be located the high energy beam transmitter of casing, in the model path controller of control high energy beam transmitter, be located high energy beam transmitter below and with the inside fixed connection's of casing shaping cabin, be located the shaping platform in the shaping cabin, be located the powder platform that send on shaping platform right side, be located the powder harrow of the top of sending the powder platform, still include the temperature control mechanism who is used for controlling shaping platform temperature, temperature control mechanism include with the bottom fixed connection's of shaping cabin cooler, with the lateral wall fixed connection's of shaping cabin heater, with the bottom fixed connection's of shaping platform thermocouple, with thermocouple, cooler and heater electric connection's a PID controller.
The bottom of shaping platform is equipped with the first elevating system that is used for making the shaping platform remove in vertical direction, and the bottom of powder feeding platform is equipped with the second elevating system that makes powder feeding platform remove in vertical direction, and first elevating system is connected with the lower surface of shaping platform through first bracing piece, and second elevating system is connected with the lower surface of powder feeding platform through the second bracing piece.
The first lifting mechanism comprises a first slide rail fixedly connected with the bottom of the shell and provided with a right opening, a second slide rail positioned on the right side of the first slide rail and provided with a left opening, a first screw rod rotatably connected with the top and the bottom of the first slide rail through a bearing seat, a second screw rod rotatably connected with the top and the bottom of the second slide rail through a bearing seat, a first slide block sleeved on the first screw rod and in threaded connection with the first screw rod, a second slide block sleeved on the second screw rod and in threaded connection with the second screw rod, a first supporting plate fixedly connected with the right side of the first slide block and the left side of the second slide block, and a first driving mechanism driving the first screw rod and the second screw rod to rotate.
The driving mechanism comprises a first driving motor, a first driving wheel which is connected with the output end of the first driving motor and coaxially rotates with the output end, a second driving wheel which is connected with the output end of the first driving motor and is positioned below the first driving wheel, a first driven wheel which is connected with the first driving wheel through a first belt, a second driven wheel which is connected with the second driving wheel through a second belt, a first lead screw penetrates through a center hole of the first driven wheel and is fixedly connected with the first driven wheel, a second lead screw penetrates through a center hole of the second driven wheel and is fixedly connected with the second driven wheel, the central axis of the first driving wheel and the central axis of the second driving wheel are both positioned in the vertical direction, and the first driving wheel and the second driving wheel coaxially rotate.
The second lifting mechanism comprises a third slide rail fixedly connected with the bottom of the shell and provided with a right opening, a fourth slide rail positioned on the right side of the third slide rail and provided with a left opening, a limiting rod fixedly connected with the top and the bottom of the third slide rail, a screw rod connected with the top and the bottom of the fourth slide rail through a bearing seat, a limiting sleeve sleeved on the limiting rod and sliding on the limiting rod, a sleeve sleeved on the screw rod and in threaded connection with the screw rod, a second support plate fixedly connected with the right side surface of the limiting sleeve and the left side surface of the sleeve, and a second driving mechanism driving the screw rod to rotate, wherein the upper surface of the second support plate is fixedly connected with the bottom of the second support rod, and the second support rod penetrates through the bottom of the forming cabin and moves in the vertical direction.
The second driving mechanism comprises a second driving motor fixedly connected with the bottom of the shell, a first bevel gear fixedly connected with the output end of the second driving motor, and a second bevel gear meshed with the first bevel gear, the screw penetrates through a center hole of the second bevel gear and is fixedly connected with the second bevel gear, the central axis of the first bevel gear is located in the horizontal direction, and the central axis of the second bevel gear is located in the vertical direction.
The powder feeding device also comprises a powder feeding cabin positioned above the forming cabin and a vacuum system connected with the powder feeding cabin and the forming cabin through pipelines, and the bottom of the powder feeding cabin is fixedly connected with the top of the forming cabin through a feeding pipe.
The vacuum system comprises a first vacuum pump communicated with the forming cabin through a pipeline, a second vacuum pump communicated with the powder adding cabin through a pipeline, a vacuum gauge and a second PID controller, wherein the vacuum gauge and the second PID controller are positioned in the forming cabin and the powder adding cabin, and the first vacuum pump, the second vacuum pump and the vacuum gauge are all electrically connected with the second PID controller.
Has the positive and beneficial effects that: the utility model discloses the setting of temperature control mechanism, the cooling rate of the accurate control shaping platform of being convenient for ensures that the melting shaping goes on under optimum temperature to reach best material performance, thereby improve the quality of work piece, the height of the shaping platform of being convenient for and the platform of sending powder is adjusted in the setting of first elevating system and second elevating system, thereby has realized the accurate shaping of work piece.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the temperature control mechanism of the present invention;
fig. 3 is a schematic structural diagram of the first supporting mechanism of the present invention;
fig. 4 is a schematic structural view of a second supporting mechanism of the present invention;
fig. 5 is a schematic structural view of a vacuum system according to embodiment 2 of the present invention;
in the figure, the following steps are carried out: the device comprises a shell 1, a forming cabin 2, a powder feeding cabin 3, a high-energy beam emitter 4, a forming platform 5, a powder feeding platform 6, a first lifting mechanism 7, a second lifting mechanism 8, a powder rake 9, a vacuum system 10, a model path controller 11, a heater 12, a cooler 13, a thermocouple 14, a first slide rail 15, a second slide rail 16, a first screw rod 17, a second screw rod 18, a support plate 19, a first slide block 20, a second slide block 21, a driving motor 22, a first driving wheel 23, a second driving wheel 24, a first driven wheel 25, a second driven wheel 26, a first belt 27, a second belt 28, a third slide rail 29, a fourth slide rail 30, a limiting rod 31, a screw rod 32, a second support plate 33, a limiting sleeve 34, a sleeve 35, a second driving motor 36, a first bevel gear 37 and a second bevel gear 38.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1 and fig. 2, a high-energy beam additive manufacturing apparatus comprises a housing 1, a high-energy beam emitter 4 located in the housing 1, a model path controller 11 for controlling the high-energy beam emitter 4, a molding cabin 2 located below the high-energy beam emitter 4 and fixedly connected with the inside of the housing 1, a molding platform 5 located in the molding cabin 2, a powder feeding platform 6 located at the right side of the molding platform 5, a powder rake 9 located above the powder feeding platform 6, a temperature control mechanism for controlling the temperature of the molding platform 5, a powder feeding cabin 3 located above the molding cabin 2, a vacuum system 10 connected with the powder feeding cabin 3 and the molding cabin 2 through a pipeline, wherein the powder feeding cabin 3 is used for feeding the molding cabin 2, the housing 1 is made of iron-nickel alloy, and the housing 1 can effectively shield the influence of an external electromagnetic field on the inside of the housing, thereby avoiding the influence of the external high-energy electromagnetic field on an electron beam in the beam emitter 4, the device operation stability is improved, the model path controller 11 is used for designing a model according to the imported 3D, layering according to the set thickness, planning the scanning track of the high-energy beam according to the graph information of each layer, designing the scanning process according to the scanning track, and finally outputting the scanning path and the scanning process information of each layer of processing, the vacuum system 10 ensures the vacuum environment in the forming cabin 2 and the powder adding cabin 3, the high-vacuum environment of the forming cabin 2 can prevent the influence of gas on the high-energy beam, simultaneously reduces the heat conduction and is beneficial to the maintenance of the temperature of the forming platform, the bottom of the powder adding cabin 3 is fixedly connected with the top of the forming cabin 2 through a feeding pipe, and the temperature control mechanism is arranged, so that the cooling speed of the forming platform can be accurately controlled, the melting forming is ensured to be carried out at the optimum temperature, the optimum material performance is achieved, and the quality of workpieces is, the temperature control mechanism comprises a cooler 13 fixedly connected with the bottom of the forming cabin 2 through a bolt assembly, a heater 12 fixedly connected with the side wall of the forming cabin 2 through a bolt assembly, a thermocouple 14 fixedly connected with the bottom of the forming platform 5 through a bolt assembly, and a first PID controller electrically connected with the thermocouple 14, the cooler 13 and the heater 12, wherein the heater 12 uses a carbon silicon heating rod as a heat source and can realize temperature adjustment through adjusting current, the heater 12 is coated on the peripheral side surface of the forming platform 5 and can heat the periphery of the forming platform 5 simultaneously, the heating effect is good, the cooler 13 is used for cooling the forming platform 5 after processing is finished, circulating cooling water is used as a cooling medium and can realize temperature adjustment through flow rate adjustment, the thermocouple is used for detecting the temperature of the forming platform 5 and then transmits the detected temperature to the first PID controller, the first PID controller controls the operation of the heater and the cooler according to the set temperature so as to maintain the forming table 5 at an optimum temperature for optimum material properties, and the first PID controller employs YR-RJD series.
The bottom of forming platform 5 is equipped with first elevating system 7 that is used for making forming platform 5 remove in vertical direction, the bottom of powder feeding platform 6 is equipped with the second elevating system 8 that makes powder feeding platform 6 remove in vertical direction, first elevating system 7 is connected with the lower surface of forming platform 5 through first bracing piece, second elevating system 8 is connected with the lower surface of powder feeding platform 6 through the second bracing piece, first elevating system 7 drives forming platform 5 in vertical direction, be convenient for adjust the height of forming platform 5, second elevating system 8 drives powder feeding platform 6 and removes in the direction behind the book, be convenient for adjust the height of powder feeding platform 6, the right flank of powder harrow 9 is equipped with the push rod motor that makes powder harrow 9 remove about on the horizontal plane, the flexible end of push rod motor passes through bolt assembly fixed connection with powder harrow 9, be convenient for powder harrow 9 to remove in the horizontal direction, the flexible end of push rod motor and the right flank of powder harrow 9 pass through bolt assembly fixed connection and promote powder harrow 9 at horizontal plane Face left or right.
As shown in fig. 3, the first lifting mechanism 7 includes a first slide rail 15 fixedly connected to the bottom of the housing 1 and having a right opening, a second slide rail 16 located on the right side of the first slide rail 15 and having a left opening, a first lead screw 17 rotatably connected to the top and the bottom of the first slide rail 15 through a bearing seat, a second lead screw 18 rotatably connected to the top and the bottom of the second slide rail 16 through a bearing seat, a first slider 20 sleeved on the first lead screw 17 and threadedly connected to the first lead screw 17, a second slider 21 sleeved on the second lead screw 18 and threadedly connected to the second lead screw 18, a first supporting plate 19 fixedly connected to the right of the first slider 20 and the left of the second slider 21 by welding, and a first driving mechanism for driving the first lead screw 17 and the second lead screw 18 to rotate, wherein the bottom of the first slide rail 15 and the bottom of the second slide rail 16 are both fixedly connected to the bottom of the inner surface of the housing 1 through a bolt assembly, be equipped with the first screw hole that makes first lead screw 17 pass on the first slider 20, be equipped with the second screw hole that makes second lead screw 18 pass on the second slider 21, driving motor drives first lead screw 17 and the synchronous rotation of second lead screw 18, first slider 20 and second slider 21 remove in vertical direction, first slider 20 and second slider 21 drive first backup pad 19 and remove in vertical direction, then first backup pad 19 drives forming platform 5 through first bracing piece and removes in vertical direction, the upper surface of first backup pad 19 and the bottom fixed connection of first bracing piece, first bracing piece passes the bottom of forming cabin 2 and removes in vertical direction. The driving mechanism comprises a first driving motor 22, a first driving wheel 23 connected with the output end of the first driving motor 22 and coaxially rotating with the output end, a second driving wheel 24 connected with the output end of the first driving motor 22 and positioned below the first driving wheel 23, a first driven wheel 25 connected with the first driving wheel 23 through a first belt 27, and a second driven wheel 26 connected with the second driving wheel 24 through a second belt 28, wherein a first screw rod 17 penetrates through a central hole of the first driven wheel 25 and is fixedly connected with the first driven wheel 25, a second screw rod 18 penetrates through a central hole of the second driven wheel 26 and is fixedly connected with the second driven wheel 26, the central axis of the first driving wheel 23 and the central axis of the second driving wheel 24 are both positioned in the vertical direction, the first driving wheel 23 and the second driving wheel 24 coaxially rotate, the first driving wheel 23 and the second driving wheel 24 are driven by the first driving motor 22 to coaxially rotate, the first driving wheel 23 drives the first driven wheel 25 to rotate through the first belt 27, the first driven wheel 25 drives the first lead screw 17 to coaxially rotate, the second driving wheel 24 drives the second driven wheel 26 to rotate through the second belt 28, the second driven wheel 26 drives the second lead screw 18 to coaxially rotate, and the first lead screw 17 and the second lead screw 18 synchronously rotate, so that the first sliding block 20 and the second sliding block 21 move in the vertical direction.
As shown in fig. 4, the second lifting mechanism 8 includes a third slide rail 29 fixedly connected to the bottom of the housing 1 and having a right opening, a fourth slide rail 30 located on the right side of the third slide rail 29 and having a left opening, a limit rod 31 fixedly connected to the top and the bottom of the third slide rail 29 by welding, a screw 32 connected to the top and the bottom of the fourth slide rail 30 by a bearing seat, a limit sleeve 34 sleeved on the limit rod 31 and sliding on the limit rod 31, a sleeve 35 sleeved on the screw 32 and threadedly connected to the screw 32, a second support plate 33 fixedly connected to the right side of the limit sleeve 34 and the left side of the sleeve 35 by welding, and a second driving mechanism for driving the screw 32 to rotate, the upper surface of the second support plate 33 is fixedly connected to the bottom of the second support rod, the bottom of the third slide rail 29 and the bottom of the fourth slide rail 30 are fixed to the bottom of the inner surface of the housing 1 by a bolt assembly, be equipped with on the sleeve 35 with screw rod 32 screw-thread fit's through-hole, screw rod 32 rotates to drive sleeve 35 and remove in vertical direction, sleeve 35 drives second backup pad 33 and removes in vertical direction, and second backup pad 33 drives through the second bracing piece and send powder platform 6 to remove in vertical direction, then thereby the height of adjustment powder platform 6 is sent, the shaping operation of the work piece of being convenient for, the second bracing piece passes the bottom of shaping cabin 2 and removes in vertical direction. The second driving mechanism comprises a second driving motor 36 fixedly connected with the bottom of the shell 1, a first bevel gear 37 fixedly connected with the output end of the second driving motor 36, and a second bevel gear 38 engaged with the first bevel gear 37, a screw passes through a central hole of the second bevel gear 38 and is fixedly connected with the second bevel gear 38, the central axis of the first bevel gear 37 is positioned in the horizontal direction, the central axis of the second bevel gear 38 is positioned in the vertical direction, a channel for the second driving motor 36 to pass through is arranged on the fourth slide rail 30, the bottom of the second driving motor 36 is fixedly connected with the bottom in the shell through a supporting seat, the central hole of the first bevel gear 37 is fixed with the outer surface of the output end of the second driving motor 36, the second driving motor 36 works and drives the first bevel gear 37 to rotate, the first bevel gear 37 is engaged with the second bevel gear 38, the second bevel gear 38 rotates to drive the screw 32 to rotate, and the screw 32 rotates to drive the sleeve 35 to move in the vertical direction, so that the second support plate 33 moves in the vertical direction, and the powder feeding platform 6 is lifted.
The specific working steps are as follows: a. before starting the process, the vacuum system 10 is first operated to create a vacuum environment within the molding chamber 2; b. and after the vacuum degree in the forming cabin 2 meets the requirement, introducing the 3D design model into a model path controller 14, layering the model by the path controller 14, planning the scanning path of the high-energy beam according to the graphic information of each layer, and obtaining the scanning process according to the scanning path. The scanning path and the scanning process signal are fed to the high-energy beam emitter 4; c. the high-energy beam emitter 4 emits laser beams or electron beams according to the calculated scanning track and projects the laser beams or the electron beams on the forming platform 5; d. the metal powder on the forming platform 5 is melted and formed under the scanning of the laser beam/electron beam; e. after the scanning of one layer is finished, the forming platform 5 descends, the powder feeding platform 6 ascends, and the powder rake 9 pushes the powder on the powder feeding platform 6 and uniformly spreads the powder on the forming platform 5; f. repeating the step D and the step e until the scanning of the 3D model from the first layer to the last layer is completed; g. during the processing, the temperature controller can perform dynamic balance adjustment on the temperature of the forming platform 5 according to the set temperature.
Example 2
As shown in fig. 1 and fig. 2, a high-energy beam additive manufacturing apparatus comprises a housing 1, a high-energy beam emitter 4 located in the housing 1, a model path controller 11 for controlling the high-energy beam emitter 4, a molding cabin 2 located below the high-energy beam emitter 4 and fixedly connected with the inside of the housing 1, a molding platform 5 located in the molding cabin 2, a powder feeding platform 6 located at the right side of the molding platform 5, a powder rake 9 located above the powder feeding platform 6, a temperature control mechanism for controlling the temperature of the molding platform 5, a powder feeding cabin 3 located above the molding cabin 2, a vacuum system 10 connected with the powder feeding cabin 3 and the molding cabin 2 through a pipeline, wherein the powder feeding cabin 3 is used for feeding the molding cabin 2, the housing 1 is made of iron-nickel alloy, and the housing 1 can effectively shield the influence of an external electromagnetic field on the inside of the housing, thereby avoiding the influence of the external high-energy electromagnetic field on an electron beam in the beam emitter 4, the device operation stability is improved, the model path controller 11 is used for designing a model according to the imported 3D, layering according to the set thickness, planning the scanning track of the high-energy beam according to the graph information of each layer, designing the scanning process according to the scanning track, and finally outputting the scanning path and the scanning process information of each layer of processing, the vacuum system 10 ensures the vacuum environment in the forming cabin 2 and the powder adding cabin 3, the high-vacuum environment of the forming cabin 2 can prevent the influence of gas on the high-energy beam, simultaneously reduces the heat conduction and is beneficial to the maintenance of the temperature of the forming platform, the bottom of the powder adding cabin 3 is fixedly connected with the top of the forming cabin 2 through a feeding pipe, and the temperature control mechanism is arranged, so that the cooling speed of the forming platform can be accurately controlled, the melting forming is ensured to be carried out at the optimum temperature, the optimum material performance is achieved, and the quality of workpieces is, the temperature control mechanism comprises a cooler 13 fixedly connected with the bottom of the forming cabin 2 through a bolt assembly, a heater 12 fixedly connected with the side wall of the forming cabin 2 through a bolt assembly, a thermocouple 14 fixedly connected with the bottom of the forming platform 5 through a bolt assembly, and a first PID controller electrically connected with the thermocouple 14, the cooler 13 and the heater 12, wherein the heater 12 uses a carbon silicon heating rod as a heat source and can realize temperature adjustment through adjusting current, the heater 12 is coated on the peripheral side surface of the forming platform 5 and can heat the periphery of the forming platform 5 simultaneously, the heating effect is good, the cooler 13 is used for cooling the forming platform 5 after processing is finished, circulating cooling water is used as a cooling medium and can realize temperature adjustment through flow rate adjustment, the thermocouple is used for detecting the temperature of the forming platform 5 and then transmits the detected temperature to the first PID controller, the first PID controller controls the operation of the heater and the cooler according to the set temperature so as to maintain the forming table 5 at an optimum temperature for optimum material properties, and the first PID controller employs YR-RJD series.
The bottom of forming platform 5 is equipped with first elevating system 7 that is used for making forming platform 5 remove in vertical direction, the bottom of powder feeding platform 6 is equipped with the second elevating system 8 that makes powder feeding platform 6 remove in vertical direction, first elevating system 7 is connected with the lower surface of forming platform 5 through first bracing piece, second elevating system 8 is connected with the lower surface of powder feeding platform 6 through the second bracing piece, first elevating system 7 drives forming platform 5 in vertical direction, be convenient for adjust the height of forming platform 5, second elevating system 8 drives powder feeding platform 6 and removes in the direction behind the book, be convenient for adjust the height of powder feeding platform 6, the right flank of powder harrow 9 is equipped with the push rod motor that makes powder harrow 9 remove about on the horizontal plane, the flexible end of push rod motor passes through bolt assembly fixed connection with powder harrow 9, be convenient for powder harrow 9 to remove in the horizontal direction, the flexible end of push rod motor and the right flank of powder harrow 9 pass through bolt assembly fixed connection and promote powder harrow 9 at horizontal plane Face left or right.
As shown in fig. 3, the first lifting mechanism 7 includes a first slide rail 15 fixedly connected to the bottom of the housing 1 and having a right opening, a second slide rail 16 located on the right side of the first slide rail 15 and having a left opening, a first lead screw 17 rotatably connected to the top and the bottom of the first slide rail 15 through a bearing seat, a second lead screw 18 rotatably connected to the top and the bottom of the second slide rail 16 through a bearing seat, a first slider 20 sleeved on the first lead screw 17 and threadedly connected to the first lead screw 17, a second slider 21 sleeved on the second lead screw 18 and threadedly connected to the second lead screw 18, a first supporting plate 19 fixedly connected to the right of the first slider 20 and the left of the second slider 21 by welding, and a first driving mechanism for driving the first lead screw 17 and the second lead screw 18 to rotate, wherein the bottom of the first slide rail 15 and the bottom of the second slide rail 16 are both fixedly connected to the bottom of the inner surface of the housing 1 through a bolt assembly, be equipped with the first screw hole that makes first lead screw 17 pass on the first slider 20, be equipped with the second screw hole that makes second lead screw 18 pass on the second slider 21, driving motor drives first lead screw 17 and the synchronous rotation of second lead screw 18, first slider 20 and second slider 21 remove in vertical direction, first slider 20 and second slider 21 drive first backup pad 19 and remove in vertical direction, then first backup pad 19 drives forming platform 5 through first bracing piece and removes in vertical direction, the upper surface of first backup pad 19 and the bottom fixed connection of first bracing piece, first bracing piece passes the bottom of forming cabin 2 and removes in vertical direction. The driving mechanism comprises a first driving motor 22, a first driving wheel 23 connected with the output end of the first driving motor 22 and coaxially rotating with the output end, a second driving wheel 24 connected with the output end of the first driving motor 22 and positioned below the first driving wheel 23, a first driven wheel 25 connected with the first driving wheel 23 through a first belt 27, and a second driven wheel 26 connected with the second driving wheel 24 through a second belt 28, wherein a first screw rod 17 penetrates through a central hole of the first driven wheel 25 and is fixedly connected with the first driven wheel 25, a second screw rod 18 penetrates through a central hole of the second driven wheel 26 and is fixedly connected with the second driven wheel 26, the central axis of the first driving wheel 23 and the central axis of the second driving wheel 24 are both positioned in the vertical direction, the first driving wheel 23 and the second driving wheel 24 coaxially rotate, the first driving wheel 23 and the second driving wheel 24 are driven by the first driving motor 22 to coaxially rotate, the first driving wheel 23 drives the first driven wheel 25 to rotate through the first belt 27, the first driven wheel 25 drives the first lead screw 17 to coaxially rotate, the second driving wheel 24 drives the second driven wheel 26 to rotate through the second belt 28, the second driven wheel 26 drives the second lead screw 18 to coaxially rotate, and the first lead screw 17 and the second lead screw 18 synchronously rotate, so that the first sliding block 20 and the second sliding block 21 move in the vertical direction.
As shown in fig. 4, the second lifting mechanism 8 includes a third slide rail 29 fixedly connected to the bottom of the housing 1 and having a right opening, a fourth slide rail 30 located on the right side of the third slide rail 29 and having a left opening, a limit rod 31 fixedly connected to the top and the bottom of the third slide rail 29 by welding, a screw 32 connected to the top and the bottom of the fourth slide rail 30 by a bearing seat, a limit sleeve 34 sleeved on the limit rod 31 and sliding on the limit rod 31, a sleeve 35 sleeved on the screw 32 and threadedly connected to the screw 32, a second support plate 33 fixedly connected to the right side of the limit sleeve 34 and the left side of the sleeve 35 by welding, and a second driving mechanism for driving the screw 32 to rotate, the upper surface of the second support plate 33 is fixedly connected to the bottom of the second support rod, the bottom of the third slide rail 29 and the bottom of the fourth slide rail 30 are fixed to the bottom of the inner surface of the housing 1 by a bolt assembly, be equipped with on the sleeve 35 with screw rod 32 screw-thread fit's through-hole, screw rod 32 rotates to drive sleeve 35 and remove in vertical direction, sleeve 35 drives second backup pad 33 and removes in vertical direction, and second backup pad 33 drives through the second bracing piece and send powder platform 6 to remove in vertical direction, then thereby the height of adjustment powder platform 6 is sent, the shaping operation of the work piece of being convenient for, the second bracing piece passes the bottom of shaping cabin 2 and removes in vertical direction. The second driving mechanism comprises a second driving motor 36 fixedly connected with the bottom of the shell 1, a first bevel gear 37 fixedly connected with the output end of the second driving motor 36, and a second bevel gear 38 engaged with the first bevel gear 37, a screw passes through a central hole of the second bevel gear 38 and is fixedly connected with the second bevel gear 38, the central axis of the first bevel gear 37 is positioned in the horizontal direction, the central axis of the second bevel gear 38 is positioned in the vertical direction, a channel for the second driving motor 36 to pass through is arranged on the fourth slide rail 30, the bottom of the second driving motor 36 is fixedly connected with the bottom in the shell through a supporting seat, the central hole of the first bevel gear 37 is fixed with the outer surface of the output end of the second driving motor 36, the second driving motor 36 works and drives the first bevel gear 37 to rotate, the first bevel gear 37 is engaged with the second bevel gear 38, the second bevel gear 38 rotates to drive the screw 32 to rotate, and the screw 32 rotates to drive the sleeve 35 to move in the vertical direction, so that the second support plate 33 moves in the vertical direction, and the powder feeding platform 6 is lifted.
As shown in fig. 5, the vacuum system 10 includes a first vacuum pump communicated with the molding chamber 2 via a pipeline, a second vacuum pump communicated with the powder feeding chamber via a pipeline, a vacuum gauge located in the molding chamber and the powder feeding chamber, and a second PID controller, wherein the first vacuum pump, the second vacuum pump, and the vacuum gauge are all electrically connected to the second PID controller, the model of the PID controller is EVT-C5, the device comprises a first vacuum pump, a second vacuum pump, a vacuum gauge, a second PID controller and a control module, wherein the first vacuum pump is used for manufacturing the vacuum state of a forming cabin 2, the second vacuum pump is used for manufacturing the vacuum state of a powder feeding cabin 3, the vacuum gauge is used for detecting the vacuum pressure in the forming cabin 2 and the vacuum cabin 3, the vacuum gauge transmits detected data to the second PID controller, and the second PID controller analyzes and controls the working states of the first vacuum pump and the second vacuum pump.
The specific working steps are as follows: a. before starting the process, the vacuum system 10 is first operated to create a vacuum environment within the molding chamber 2; b. and after the vacuum degree in the forming cabin 2 meets the requirement, introducing the 3D design model into a model path controller 14, layering the model by the path controller 14, planning the scanning path of the high-energy beam according to the graphic information of each layer, and obtaining the scanning process according to the scanning path. The scanning path and the scanning process signal are fed to the high-energy beam emitter 4; c. the high-energy beam emitter 4 emits laser beams or electron beams according to the calculated scanning track and projects the laser beams or the electron beams on the forming platform 5; d. the metal powder on the forming platform 5 is melted and formed under the scanning of the laser beam/electron beam; e. after the scanning of one layer is finished, the forming platform 5 descends, the powder feeding platform 6 ascends, and the powder rake 9 pushes the powder on the powder feeding platform 6 and uniformly spreads the powder on the forming platform 5; f. repeating the step D and the step e until the scanning of the 3D model from the first layer to the last layer is completed; g. during the processing, the temperature controller can perform dynamic balance adjustment on the temperature of the forming platform 5 according to the set temperature.
The utility model discloses the setting of temperature control mechanism, the cooling rate of the accurate control shaping platform of being convenient for ensures that the melting shaping goes on under optimum temperature to reach best material performance, thereby improve the quality of work piece, the height of the shaping platform of being convenient for and the platform of sending powder is adjusted in the setting of first elevating system and second elevating system, thereby has realized the accurate shaping of work piece.
Claims (8)
1. The utility model provides a high energy beam vibration material disk equipment, includes the casing, is located the high energy beam transmitter of casing, is used for controlling the model path controller of high energy beam transmitter, be located high energy beam transmitter below and with the inside fixed connection's of casing shaping cabin, be located the shaping platform in the shaping cabin, be located the powder platform that send on shaping platform right side, be located the powder harrow of the top of sending the powder platform, its characterized in that: still including the temperature control mechanism who is used for controlling the shaping platform temperature, temperature control mechanism include with the bottom fixed connection's of shaping cabin cooler, with the lateral wall fixed connection's of shaping cabin heater, with the bottom fixed connection's of shaping platform thermocouple, with thermocouple, cooler and heater electric connection's a PID controller.
2. The high energy beam additive manufacturing apparatus of claim 1, wherein: the bottom of shaping platform is equipped with the first elevating system that is used for making the shaping platform remove in vertical direction, and the bottom of powder feeding platform is equipped with the second elevating system that makes powder feeding platform remove in vertical direction, and first elevating system is connected with the lower surface of shaping platform through first bracing piece, and second elevating system is connected with the lower surface of powder feeding platform through the second bracing piece.
3. The high-energy beam additive manufacturing apparatus of claim 2, wherein: the first lifting mechanism comprises a first slide rail fixedly connected with the bottom of the shell and provided with a right opening, a second slide rail positioned on the right side of the first slide rail and provided with a left opening, a first screw rod rotatably connected with the top and the bottom of the first slide rail through a bearing seat, a second screw rod rotatably connected with the top and the bottom of the second slide rail through a bearing seat, a first slide block sleeved on the first screw rod and in threaded connection with the first screw rod, a second slide block sleeved on the second screw rod and in threaded connection with the second screw rod, a first supporting plate fixedly connected with the right side of the first slide block and the left side of the second slide block, and a first driving mechanism driving the first screw rod and the second screw rod to rotate.
4. The high energy beam additive manufacturing apparatus of claim 3, wherein: the driving mechanism comprises a first driving motor, a first driving wheel which is connected with the output end of the first driving motor and coaxially rotates with the output end, a second driving wheel which is connected with the output end of the first driving motor and is positioned below the first driving wheel, a first driven wheel which is connected with the first driving wheel through a first belt, a second driven wheel which is connected with the second driving wheel through a second belt, a first lead screw penetrates through a center hole of the first driven wheel and is fixedly connected with the first driven wheel, a second lead screw penetrates through a center hole of the second driven wheel and is fixedly connected with the second driven wheel, the central axis of the first driving wheel and the central axis of the second driving wheel are both positioned in the vertical direction, and the first driving wheel and the second driving wheel coaxially rotate.
5. The high-energy beam additive manufacturing apparatus of claim 2, wherein: the second lifting mechanism comprises a third slide rail fixedly connected with the bottom of the shell and provided with a right opening, a fourth slide rail positioned on the right side of the third slide rail and provided with a left opening, a limiting rod fixedly connected with the top and the bottom of the third slide rail, a screw rod connected with the top and the bottom of the fourth slide rail through a bearing seat, a limiting sleeve sleeved on the limiting rod and sliding on the limiting rod, a sleeve sleeved on the screw rod and in threaded connection with the screw rod, a second support plate fixedly connected with the right side surface of the limiting sleeve and the left side surface of the sleeve, and a second driving mechanism driving the screw rod to rotate, wherein the upper surface of the second support plate is fixedly connected with the bottom of the second support rod, and the second support rod penetrates through the bottom of the forming cabin and moves in the vertical direction.
6. The high energy beam additive manufacturing apparatus of claim 5, wherein: the second driving mechanism comprises a second driving motor fixedly connected with the bottom of the shell, a first bevel gear fixedly connected with the output end of the second driving motor, and a second bevel gear meshed with the first bevel gear, the screw penetrates through a center hole of the second bevel gear and is fixedly connected with the second bevel gear, the central axis of the first bevel gear is located in the horizontal direction, and the central axis of the second bevel gear is located in the vertical direction.
7. The high energy beam additive manufacturing apparatus of claim 1, wherein: the powder feeding device also comprises a powder feeding cabin positioned above the forming cabin and a vacuum system connected with the powder feeding cabin and the forming cabin through pipelines, and the bottom of the powder feeding cabin is fixedly connected with the top of the forming cabin through a feeding pipe.
8. The high energy beam additive manufacturing apparatus of claim 7, wherein: the vacuum system comprises a first vacuum pump communicated with the forming cabin through a pipeline, a second vacuum pump communicated with the powder adding cabin through a pipeline, a vacuum gauge and a second PID controller, wherein the vacuum gauge and the second PID controller are positioned in the forming cabin and the powder adding cabin, and the first vacuum pump, the second vacuum pump and the vacuum gauge are all electrically connected with the second PID controller.
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| CN202020852178.XU CN212264536U (en) | 2020-05-20 | 2020-05-20 | High-energy beam additive manufacturing equipment |
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| CN202020852178.XU CN212264536U (en) | 2020-05-20 | 2020-05-20 | High-energy beam additive manufacturing equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400640A (en) * | 2021-06-08 | 2021-09-17 | 山东创瑞激光科技有限公司 | Quick two laser printing equipment of cooling type |
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- 2020-05-20 CN CN202020852178.XU patent/CN212264536U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113400640A (en) * | 2021-06-08 | 2021-09-17 | 山东创瑞激光科技有限公司 | Quick two laser printing equipment of cooling type |
| CN113400640B (en) * | 2021-06-08 | 2022-04-19 | 山东创瑞激光科技有限公司 | Quick two laser printing equipment of cooling type |
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