A high-temperature alloy casting crucible injection device and injection method
Patent Information
- Application Number
- CN202510536299.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-27
- Publication Date
- 2025-11-07
- Estimated Expiration
- 2045-04-27
Smart Images
Figure CN120056264B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of crucible processing, in particular to a high-temperature alloy casting crucible pouring device and pouring method. BACKGROUND
[0002] During the forming process of the ceramic crucible, first, the liquid ceramic material is placed in the material box, and the ceramic material is treated, then the ceramic material is poured into the mold, and after the ceramic material cools down, it can be shaped.
[0003] In the prior art, the material is extruded into the inside of the mold by pressurizing the material box, it is difficult to control the duration of pressurization, which may result in too much or too little material poured into the mold, and the control precision is poor. SUMMARY
[0004] In order to improve the control precision of the amount of material poured into the mold, the present application provides a high-temperature alloy casting crucible pouring device and pouring method.
[0005] In the first aspect, the present application provides a high-temperature alloy casting crucible pouring device, which adopts the following technical scheme:
[0006] A high-temperature alloy casting crucible pouring device, comprising a workbench and a pouring table, characterized in that: a stirring box is arranged in the workbench, a discharge hole is formed in the pouring table, a pouring pipe is in communication between the discharge hole and the stirring box, a mold is detachably connected to the pouring table, a feeding hole corresponding to the discharge hole is formed in the mold, the stirring box is provided with a feeding hole, the stirring box is communicated with a vacuum pump, and a pressurizing assembly is further arranged at the upper end of the stirring box for extruding the material in the stirring box to the outside of the discharge hole.
[0007] By using the above technical scheme, the material is poured into the stirring box from the feeding hole, the feeding pipe is closed after pouring to the preset amount, then the vacuum pump is used to vacuum the stirring box, the bubbles in the material are discharged to the outside of the stirring box, thereby improving the subsequent material forming effect; the mold is placed on the pouring table, the feeding hole is aligned with the discharge hole, then the pressurizing assembly is used to pressurize the inside of the stirring box, the material in the stirring box is extruded to the outside of the discharge hole and into the mold, the pressure in the stirring box is controlled by the pressurizing assembly, thereby controlling the extrusion amount of the material in the stirring box, thereby improving the control precision of the amount of material poured into the mold, and the convenience is high.
[0008] Optionally, the pressurizing assembly comprises a cylinder vertically arranged at the upper end of the stirring box, both ends of the cylinder in the length direction are closed, a pressurizing pipe is in communication with the cylinder at the end close to the stirring box, a piston block is slidably arranged in the cylinder, the piston block is in contact with the cylinder in the circumferential direction, a blocking plate for opening and closing the pressurizing pipe is slidably arranged in the cylinder, the blocking plate is arranged above the pressurizing pipe, an air inlet is arranged on the cylinder, and an air blocking plate for opening and closing the air inlet is slidably arranged on the cylinder.
[0009] By adopting the above technical scheme, the pressurizing pipe is closed by the blocking plate, then the air inlet is opened, the piston block is moved away from the stirring box, external gas is sucked into the cylinder, then the air inlet is closed by sliding the air blocking plate, the pressurizing pipe is opened by sliding the blocking plate, then the piston block is moved towards the stirring box, the material is extruded into the injection pipe by the gas pressure, the pressure in the stirring box is controlled by controlling the stroke of the piston block, the extrusion amount of the material in the stirring box is controlled, and the control precision of the material injection amount in the mold is improved, which is convenient.
[0010] Optionally, a limiting ring is arranged in the cylinder, the limiting ring is fixedly connected to the inner wall of the cylinder, the piston block abuts against the limiting ring when the piston block moves to the limiting ring, and the air inlet, the pressurizing pipe, the blocking plate and the air blocking plate are all arranged below the limiting ring.
[0011] By adopting the above technical scheme, the piston block is moved to the position abutting against the limiting ring, which represents that the material injection for one crucible is completed, the structure is simple, and the control is convenient.
[0012] Optionally, a hydraulic cylinder is arranged at the end of the cylinder away from the stirring box, and the piston rod of the hydraulic cylinder is fixedly connected to the piston block.
[0013] By adopting the above technical scheme, the piston block is moved by operating the extension and retraction of the piston rod of the hydraulic cylinder, the structure is simple, and the driving is convenient.
[0014] Optionally, a gear one is rotatably arranged in the cylinder, and a rack one engaged with the gear one is arranged on one side of the blocking plate in the length direction.
[0015] By adopting the above technical scheme, the gear one is rotated, the rack one is moved, and the blocking plate is moved, the structure is simple, and the operation is convenient.
[0016] Optionally, a gear two is rotatably arranged in the cylinder, a rack two is arranged on the side of the air blocking plate close to the gear two, and the gear two is arranged in engagement with the rack two.
[0017] By adopting the technical scheme, the gear two can drive the gear rack two to move through rotation, and further drive the baffle to move, so that the structure is simple and the operation is convenient.
[0018] Optionally, the air cylinder is rotationally connected with a gear three, the gear rack one is engaged with the gear three when the gear rack one moves to the position of the gear three, the nozzle of the pressurizing pipe is located between the gear one and the gear three, the upper end of the gear three is coaxially fixedly connected with a bevel gear one, the gear two is coaxially fixedly connected with a bevel gear two, and the bevel gear two is engaged with the bevel gear one.
[0019] By adopting the technical scheme, the gear one is driven to rotate through operation, the gear rack one is driven to move, the gear three is driven to rotate, the bevel gear one is driven to rotate, the bevel gear two is driven to rotate, and the gear two is driven to rotate, so that the structure is simple and the driving is convenient.
[0020] Optionally, the air cylinder is rotationally connected with a gear three, the gear rack one is engaged with the gear three when the gear rack one moves to the position of the gear three, the nozzle of the pressurizing pipe is located between the gear one and the gear three, the upper end of the gear three is coaxially fixedly connected with a bevel gear one, the gear two is coaxially fixedly connected with a bevel gear two, and the bevel gear two is engaged with the bevel gear one.
[0021] By adopting the technical scheme, the gear one is driven to rotate through operation, the gear rack one is driven to move, the gear three is driven to rotate, the bevel gear one is driven to rotate, the bevel gear two is driven to rotate, and the gear two is driven to rotate, so that the structure is simple and the driving is convenient.
[0022] In a second aspect, the application provides a material injection method for a high-temperature alloy casting crucible.
[0023] A material injection method for a high-temperature alloy casting crucible, comprising the following steps:
[0024] S1: injecting material into the stirring box from the feeding hole, stopping the injection after adding to the preset amount, and sealing the feeding hole;
[0025] S2: opening the vacuum pump, and pumping the gas in the stirring box to the outside, and pumping the bubbles contained in the material to the outside of the stirring box;
[0026] S3: opening the discharge hole, placing a gasket above the discharge hole, placing a mold on the gasket, aligning the feeding hole and the discharge hole, and clamping the mold on the injection table by using the clamping device;
[0027] S4: opening the pressurizing pipe, operating the air cylinder to inflate the stirring box, and using the air pressure to discharge the material from the discharge hole into the mold;
[0028] S5: after the material is shaped, the mold is removed from the injection table.
[0029] In summary, the application has at least one of the following beneficial technical effects:
[0030] 1. The material is injected into the stirring box from the feeding hole, and the feeding pipe is closed after the preset amount is injected, and then the vacuum pump is used to vacuum the stirring box, and the bubbles in the material are discharged to the outside of the stirring box, thereby improving the subsequent material forming effect; the mold is placed on the feeding table, the feeding hole is aligned with the discharging hole, and then the pressurizing assembly is used to pressurize the inside of the stirring box, and the material in the stirring box is extruded to the outside of the discharging hole and into the mold, the pressure in the stirring box is controlled by controlling the pressurizing assembly, thereby controlling the extrusion amount of the material in the stirring box, thereby improving the control precision of the material injection amount in the mold, and the convenience is high;
[0031] 2. The pressure pipe is closed by the gear plate, then the air inlet is opened, the piston block is moved away from the stirring box, the external gas is sucked into the air cylinder, then the air inlet is closed by sliding the air baffle; the pressure pipe is opened by sliding the gear plate, then the piston block is moved close to the stirring box, the material is extruded into the feeding pipe by the gas pressure, the pressure in the stirring box is controlled by controlling the stroke of the piston block, thereby controlling the extrusion amount of the material in the stirring box, thereby improving the control precision of the material injection amount in the mold, and the convenience is high;
[0032] 3. Rotate the gear one, drive the rack one to move, drive the gear three to rotate, drive the bevel gear one to rotate, drive the bevel gear two to rotate, and then drive the gear two to rotate, the structure is simple and the driving is convenient. BRIEF DESCRIPTION OF DRAWINGS
[0033] Figure 1 It is a whole structure schematic diagram of a high-temperature alloy casting crucible feeding device.
[0034] Figure 2 It is a cross-sectional schematic diagram highlighting the internal structure of the air cylinder.
[0035] Figure 3 It is a cross-sectional schematic diagram highlighting the pressure pipe.
[0036] Figure 4 It is a schematic diagram highlighting the air inlet.
[0037] Figure 5 It is Figure 2 The enlarged schematic diagram of part A in
[0038] Explanation of reference signs: 1, workbench; 11, stirring box; 111, injection pipe; 112, feeding hole; 113, vacuum pump; 114, motor two; 2, injection bench; 21, discharge hole; 3, mold; 31, feeding hole; 4, pressurizing assembly; 41, air cylinder; 411, pressurizing pipe; 412, gear plate; 4121, rack one; 413, air inlet; 414, air baffle; 4141, rack two; 415, piston block; 416, limit ring; 417, hydraulic cylinder; 5, gear one; 51, gear two; 511, bevel gear two; 52, gear three; 521, bevel gear one; 53, motor one. DETAILED DESCRIPTION
[0039] The application will be further described in detail below with reference to all the drawings.
[0040] The embodiment of the application discloses a high-temperature alloy casting crucible injection device.
[0041] Reference Figure 1 and Figure 2 A high-temperature alloy casting crucible injection device, comprising a workbench 1 and an injection bench 2, characterized in that: the workbench 1 is provided with a stirring box 11, the injection bench 2 is provided with a discharge hole 21, the discharge hole 21 is communicated with the stirring box 11 through an injection pipe 111, a mold 3 is detachably connected to the injection bench 2, the mold 3 is provided with a feeding hole 31 corresponding to the discharge hole 21, and the stirring box 11 is provided with a feeding hole 112.
[0042] Reference Figure 3 and Figure 4 The stirring box 11 is communicated with a vacuum pump 113, and the upper end of the stirring box 11 is further provided with a pressurizing assembly 4, which is used for extruding the material in the stirring box 11 to the outside of the discharge hole 21, the material is injected into the stirring box 11, then the gas in the stirring box 11 is pumped out by the vacuum pump 113, and then the pressurizing assembly 4 is operated to pressurize the stirring box 11, so that the material is extruded out of the discharge hole 21 into the mold 3, and the injection of the material into the mold 3 is completed.
[0043] Reference Figure 2 and Figure 3 The material is injected from the feeding hole 112 and flows into the stirring box 11, the stirring box 11 is provided with a heating device for improving the flowability of the material in the stirring box 11, after the material is added to a preset amount, the injection is stopped and the feeding hole 112 is sealed.
[0044] The heating device can be a resistance wire heating pipe or other heating devices, which can heat the inside of the stirring box 11, and is a prior art, so it will not be described in detail in the embodiment.
[0045] With reference to Figure 2 and Figure 3 , the upper end of the stirring box 11 is provided with a motor 114, and the output shaft of the motor 114 is provided with a stirring rod extending into the interior of the stirring box 11, and the stirring rod is provided with stirring blades in the circumferential direction for stirring the material and improving the flowability of the material.
[0046] With reference to Figure 3 and Figure 4 , the vacuum pump 113 is operated to exhaust the stirring box 11, the gas in the stirring box 11 is exhausted, the gas bubbles in the material are discharged, and the quality of the subsequent crucible product is improved.
[0047] With reference to Figure 3 and Figure 4 , the injection table 2 is provided with a clamping device for fixing the mold 3, and the mold 3 is fixed on the injection table 2, wherein the clamping device is a prior art and will not be described in detail in this embodiment.
[0048] With reference to Figures 3 to 5 , the stirring box 11 is pressurized by using the pressurizing assembly 4; the pressurizing assembly 4 includes a gas cylinder 41 vertically arranged at the upper end of the stirring box 11, both ends of the gas cylinder 41 in the length direction are closed, the end of the gas cylinder 41 close to the stirring box 11 is communicated with a pressurizing pipe 411, a piston block 415 is slidably arranged in the gas cylinder 41, the circumferential direction of the piston block 415 is attached to the gas cylinder 41, a shift plate 412 for opening and closing the pressurizing pipe 411 is slidably connected in the gas cylinder 41, the shift plate 412 is located above the pressurizing pipe 411, an air inlet 413 is formed in the gas cylinder 41, and a gas blocking plate 414 for opening and closing the air inlet 413 is slidably connected to the gas cylinder 41. Before pressurizing, first close the pressurizing pipe 411 by using the shift plate 412.
[0049] With reference to Figures 3 to 5 , the end of the gas cylinder 41 away from the stirring box 11 is provided with a hydraulic cylinder 417, the piston rod of the hydraulic cylinder 417 is fixedly connected with the piston block 415, by operating the piston rod of the hydraulic cylinder 417 to retract, the piston block 415 is driven to move away from the stirring box 11; after moving to the preset position, the air inlet 413 can be closed and the pressurizing pipe 411 is opened.
[0050] With reference to Figures 3 to 5, gear wheel one 5 is rotationally connected in the air cylinder 41, the length direction of the gear plate 412 is provided with a rack one 4121 which is engaged with the gear wheel one 5, gear wheel two 51 is rotationally connected in the air cylinder 41, the side close to the gear wheel two 51 of the air blocking plate 414 is provided with a rack two 4141, the gear wheel two 51 is engaged with the rack two 4141, gear wheel three 52 is rotationally connected in the air cylinder 41, the rack one 4121 is engaged with the gear wheel three 52 when moving to the position of the gear wheel three 52, the pipe opening of the pressurizing pipe 411 is located between the gear wheel one 5 and the gear wheel three 52, the upper end of the gear wheel three 52 is coaxially fixedly connected with bevel gear one 521, the gear wheel two 51 is coaxially fixedly connected with bevel gear two 511, the bevel gear two 511 is engaged with the bevel gear one 521, motor one 53 is arranged in the air cylinder 41, the output shaft of the motor one 53 is coaxially fixedly connected with the gear wheel one 5;
[0051] With reference to Figures 3 to 5 , the output shaft of the motor one 53 is rotated to drive the gear wheel one 5 to rotate, and then drive the rack one 4121 and the gear plate 412 to move, and then drive the gear wheel three 52 to rotate, and then drive the bevel gear one 521 to rotate, and then drive the bevel gear two 511 to rotate, and then drive the gear wheel two 51 to rotate, and then drive the rack two 4141 and the air blocking plate 414 to move, the air inlet 413 is blocked by the air blocking plate 414 to complete the sealing of the air inlet 413, and the rack one 4121 is disengaged from the gear wheel three 52; continue to rotate the gear wheel one 5 to drive the rack one 4121 and the gear plate 412 to move, and open the pipe opening of the pressurizing pipe 411, at this time the air cylinder 41 is communicated with the stirring box 11, and the pressurizing can be started.
[0052] With reference to Figures 3 to 5 , the piston rod of the hydraulic cylinder 417 is extended to drive the piston to move, and the gas flows into the inside of the stirring box 11 under the pressure of the piston, as the pressure in the stirring box 11 becomes higher, the material in the stirring box 11 flows to the outside of the discharge hole 21 (with reference to Figure 2 ), and is extruded into the inside of the mold 3.
[0053] With reference to Figures 3 to 5 , a limiting ring 416 is arranged in the air cylinder 41, the outside of the limiting ring 416 is fixedly connected with the inner wall of the air cylinder 41, the piston block 415 abuts against the limiting ring 416 when moving to the position of the limiting ring 416, the air inlet 413, the pressurizing pipe 411, the gear plate 412 and the air blocking plate 414 are all located below the limiting ring 416, as the piston block 415 moves to the position abutting against the limiting ring 416, it means that the material injection for one crucible is completed.
[0054] With reference to Figures 3 to 5 , after the material is shaped, the mold 3 is taken off from the material injection table 2, and the material solidified at the material inlet is cut off.
[0055] Referring to Figures 3 to 5 After the next mold 3 is placed on the injection bench 2, the next mold 3 needs to be injected before injection, and the driving motor is operated again to drive the gear one 5 to rotate, thereby driving the rack one 4121 and the gear plate 412 to move. The gear plate 412 blocks the pressurizing pipe 411, and when the rack one 4121 moves to the position of the gear three 52, the gear three 52, the bevel gear one 521, the bevel gear two 511 and the gear two 51 are driven to rotate. In the process of moving the gear plate 412, the pressurizing pipe 411 is always in a closed state. With the rotation of the gear two 51, the rack two 4141 and the air baffle 414 are moved to expose the air inlet 413, and air can enter the air cylinder 41. Then, after the piston block 415 is reset, the gear plate 412 is operated to reset the stirring box 11 for pressurization.
[0056] The application further discloses an injection method for a high-temperature alloy casting crucible, which comprises the following steps:
[0057] S1: injecting material into the stirring box 11 from the feeding hole 112, stopping injection and sealing the feeding hole 112 after the preset amount of material is added;
[0058] S2: starting the vacuum pump 113 to extract the gas in the stirring box 11 to the outside and extract the bubbles contained in the material to the outside of the stirring box 11;
[0059] S3: opening the discharge hole 21, placing a gasket on the upper end of the discharge hole 21, placing a mold 3 on the gasket, aligning the feeding hole 31 with the discharge hole 21, and clamping the mold 3 on the injection bench 2 by using the clamping device;
[0060] S4: opening the pressurizing pipe 411, operating the air cylinder 41 to inflate the stirring box 11, and using air pressure to discharge the material from the discharge hole 21 into the mold 3;
[0061] S5: after the material is shaped, the mold 3 is removed from the injection bench.
[0062] The above are preferred embodiments of the application, which do not limit the protection scope of the application, so: any equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.
Claims
1. A high-temperature alloy casting crucible charging device comprising a worktable (1) and a charging table (2), characterized in that: The workbench (1) is provided with a stirring box (11), the injection bench (2) is provided with a discharge hole (21), the discharge hole (21) is communicated with the stirring box (11) through an injection pipe (111), the mold (3) is detachably connected to the injection bench (2), the mold (3) is provided with a feeding hole (31) corresponding to the discharge hole (21), the stirring box (11) is provided with a feeding hole (112), the stirring box (11) is communicated with a vacuum pump (113), and the upper end of the stirring box (11) is also provided with a pressurizing assembly (4) for extruding the material in the stirring box (11) to the outside of the discharge hole (21). The pressurizing assembly (4) comprises a gas cylinder (41) vertically arranged at the upper end of the stirring box (11), both ends of the gas cylinder (41) in the length direction are closed, the gas cylinder (41) is communicated with the stirring box (11) through a pressurizing pipe (411) at one end close to the stirring box (11), a piston block (415) is slidably arranged in the gas cylinder (41), the piston block (415) is in contact with the gas cylinder (41) in the circumferential direction, a gear plate (412) for opening and closing the pressurizing pipe (411) is slidably arranged in the gas cylinder (41), the gear plate (412) is located above the pressurizing pipe (411), an air inlet (413) is arranged on the gas cylinder (41), and a gas blocking plate (414) for opening and closing the air inlet (413) is slidably arranged on the gas cylinder (41). The gear one (5) is rotatably arranged in the gas cylinder (41), and a gear rack one (4121) is arranged on one side of the gear plate (412) in the length direction and engaged with the gear one (5). The gear two (51) is rotatably arranged in the gas cylinder (41), and a gear rack two (4141) is arranged on one side of the gas blocking plate (414) close to the gear two (51), and the gear two (51) is engaged with the gear rack two (4141).
2. A high temperature alloy crucible charging apparatus according to claim 1, wherein: The gas cylinder (41) is provided with a limiting ring (416), the limiting ring (416) is fixedly connected to the inner wall of the gas cylinder (41), the piston block (415) abuts against the limiting ring (416) when moving to the limiting ring (416), and the air inlet (413), the pressurizing pipe (411), the gear plate (412) and the gas blocking plate (414) are all located below the limiting ring (416).
3. A high temperature alloy crucible pouring apparatus as claimed in claim 1, wherein: The gas cylinder (41) is provided with a hydraulic cylinder (417) at one end away from the stirring box (11), and the piston rod of the hydraulic cylinder (417) is fixedly connected to the piston block (415).
4. The high temperature alloy crucible pouring apparatus of claim 1, wherein: The gear three (52) is rotatably arranged in the gas cylinder (41), the gear rack one (4121) is engaged with the gear three (52) when moving to the position of the gear three (52), the pipe opening of the pressurizing pipe (411) is located between the gear one (5) and the gear three (52), the upper end of the gear three (52) is coaxially fixedly connected with a bevel gear one (521), the gear two (51) is coaxially fixedly connected with a bevel gear two (511), and the bevel gear two (511) is engaged with the bevel gear one (521).
5. A high temperature alloy crucible pouring apparatus as claimed in claim 1, wherein: The gas cylinder (41) is provided with a motor one (53), and the output shaft of the motor one (53) is coaxially fixedly connected with the gear one (5).
6. A method of charging a crucible for casting a superalloy, characterized by, The high-temperature alloy casting crucible injection device of claim 5 is used to inject material into a mold (3), including the following steps: S1: injecting material into the stirring box (11) from the feeding hole (112), stopping the injection and sealing the feeding hole (112) after adding the material to the preset amount; S2: opening the vacuum pump (113) to pump the gas inside the stirring box (11) to the outside, and pump the bubbles contained in the material to the outside of the stirring box (11); S3: opening the discharge hole (21), placing a gasket above the discharge hole (21), placing the mold (3) on the gasket, aligning the feeding hole (31) with the discharge hole (21), and clamping the mold (3) on the injection table (2) by using the clamping device; S4: opening the pressure pipe (411), operating the air cylinder (41) to inflate the stirring box (11), and using the air pressure to discharge the material from the discharge hole (21) into the mold (3); S5: after the material is shaped, the mold (3) is removed from the injection table.