CN114799046A - Automatic casting method for investment casting precision casting - Google Patents
Automatic casting method for investment casting precision casting Download PDFInfo
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- CN114799046A CN114799046A CN202210347805.8A CN202210347805A CN114799046A CN 114799046 A CN114799046 A CN 114799046A CN 202210347805 A CN202210347805 A CN 202210347805A CN 114799046 A CN114799046 A CN 114799046A
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- 238000005266 casting Methods 0.000 title claims abstract description 58
- 238000005495 investment casting Methods 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 36
- 238000005520 cutting process Methods 0.000 claims abstract description 22
- 239000004576 sand Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000004064 recycling Methods 0.000 claims abstract description 5
- 238000001035 drying Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000010981 drying operation Methods 0.000 claims description 5
- 230000002457 bidirectional effect Effects 0.000 claims description 2
- 238000011084 recovery Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 2
- 238000003754 machining Methods 0.000 abstract description 2
- 239000011159 matrix material Substances 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000007528 sand casting Methods 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000004018 waxing Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention provides an automatic casting method for investment casting precision castings, which comprises the following steps: manufacturing a wax mold according to the shape of the casting, and crusting the wax mold; step two: taking out the wax mould from the wax shell to form a casting mould cavity, and recycling the removed wax material for reuse; step three: casting; step four: sand removal; the wax mould in the step two is automatically separated by using automatic equipment, the wax mould is pushed upwards, the automatic effect is achieved, manpower is greatly saved, and wax material recovery processing refers to recovery and utilization after intelligent mould cutting processing is used. According to the intelligent mold cutting equipment, after the movable rod is rotated to be separated from the connecting rod, the wax film mold can be placed on the outer side of the limiting block and between the stop blocks on the two sides, then the movable rod is rotated reversely to fix the wax film mold, the bottom motor can be started to be cut by the cutting assembly in a rotating mode, an operator does not need to adjust the fixed position in midway, and therefore machining efficiency is improved.
Description
Technical Field
The invention relates to the technical field of precision castings, in particular to an automatic casting method for investment casting precision castings.
Background
Casting refers to a process method of casting molten metal into a casting mold, and then cooling and solidifying the molten metal into a casting with a certain shape. The casting is divided into sand casting and special casting according to the materials and pouring modes used by casting moulds, the most common casting method at present is sand casting, and a 'wax mould' is a common casting mode, wherein aluminum is firstly used as a mould of a workpiece, then the wax is injected into a pattern die to be called 'waxing', then the wax is taken out after being cooled to be called 'demoulding', at the moment, the size of the wax mould is consistent with the size of the real object (the actual size is enlarged according to the casting shrinkage proportion), and then, fully adhering the surface of the wax mould with sand to a certain thickness, namely 'sand adhering', after the casting sand on the surface of the wax mould is bonded, putting the wax mould fully adhered with the sand into water to be boiled to obtain wax, and finally, leaving a sand shell, namely 'wax boiling', finally, burying the sand shell into a casting sand pit, pouring molten iron into the sand shell along the sand shell, and finally, cooling the molten iron left in the sand mould to obtain the casting.
However, in the existing casting method, there are mainly two types of wax pattern manufacturing equipment, vertical wax pattern manufacturing equipment and horizontal wax pattern manufacturing equipment; the vertical wax mould manufacturing equipment needs to manually take the wax mould; horizontal wax matrix manufacture equipment need not the manual work and gets the wax matrix, but the wax matrix falls into the basin of horizontal wax matrix manufacture equipment below through gravity, and it is not high only to rely on the efficiency that gravity action can lead to falling into, and this is not enough far away in actual operation.
Disclosure of Invention
In order to overcome the problems in the prior art, the invention provides an automatic casting method for investment casting precision castings.
The technical scheme adopted by the invention is as follows: an automatic casting method for investment casting precision castings comprises the following steps: manufacturing a wax mold according to the shape of the casting, and crusting the wax mold; step two: taking out the wax mould from the wax shell to form a casting mould cavity, and recycling the removed wax material for reuse; step three: casting; step four: sand removal; the innovation points are as follows: the wax mould in the second step is automatically removed by using automatic equipment, and the automatic equipment for the wax mould comprises a box body, wherein the bottom of the box body is fixedly connected with a supporting leg, the top of the box body is fixedly connected with a transverse arm, the bottom of the transverse arm is fixedly connected with an electric push rod, the bottom of the electric push rod is fixedly connected with an upper mould, the top of the box body is fixedly connected with a lower mould, and the inside of the box body is fixedly connected with a transmission structure; the transmission structure is including fixed connection in the inside motor of box, motor right side fixedly connected with threaded rod, threaded rod surface swing joint has quantity to be two the screw thread piece, two the equal fixedly connected with fixed block in screw thread piece top, two the fixed block openly equal swing joint has the movable rod, two movable rod back swing joint has the connecting block, connecting block top fixedly connected with push pedal, the movable groove has been seted up at the box top.
On this basis, the inside fixedly connected with fixing base of box, threaded rod swing joint is inside the fixing base, the threaded rod is two-way threaded rod.
On this basis, two equal fixedly connected with movable wheel in screw thread piece bottom, the spout has been seted up to the box inside, two equal swing joint of movable wheel is inside the spout.
On the basis, the bottom of the upper die is fixedly connected with four clamping blocks, four clamping grooves are formed in the lower die, and the sizes of the four clamping blocks are matched with the clamping grooves.
On this basis, the push plate is movably connected inside the lower die, and the push plate is movably connected inside the movable groove.
On the basis, the number of the supporting legs is four, and the four supporting legs are uniformly distributed at four corners of the bottom of the box body.
On the basis, the use method of the automation equipment comprises the following steps: s1: and S2, when automatic demolding is needed, starting a motor to drive a threaded rod to rotate, driving two threaded blocks to relatively move by the rotation of the threaded rod, driving two movable rods to close by the relative movement of the two threaded blocks, driving a connecting block and a push plate to move upwards by the movement of the movable rods, and realizing that the wax mold can be pushed upwards by the upward movement of the push plate, thereby completing the processing.
On the basis, the wax material recovery treatment in the second step is to recycle the wax material after cutting treatment by using an intelligent die.
On the basis, drying operation is also carried out before the casting step in the third step, and the drying conditions are as follows: the drying temperature is 80-90 ℃ and the drying time is 0.5-1 h.
On the basis, the sand removing step is to remove sand sticking and surface foreign matters of the casting, relief-grind projections such as cutting ribs, fash, burrs and the like, and polish and finish the surface of the casting.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the automatic casting method for the investment casting precision casting, the wax mold automatic stripping equipment is used, the electric push rod drives the upper mold to move downwards and process with the lower mold, when the mold is required to be stripped, the motor is started to drive the threaded rod to rotate, the threaded rod rotates to drive the two threaded blocks to move relatively, the two threaded blocks move relatively to drive the two movable rods to close, the movable rods move to drive the connecting block and the push plate to move upwards, the push plate moves upwards to push the wax mold upwards, the automatic effect is achieved, and manpower is greatly saved.
(2) In the automatic casting method for investment casting precision castings, wax material recovery processing refers to recovery and utilization after cutting processing by using an intelligent die. According to the intelligent mold cutting equipment, after the movable rod is rotated to be separated from the connecting rod, the wax film mold can be placed on the outer side of the limiting block and between the stop blocks on the two sides, then the movable rod is rotated reversely to fix the wax film mold, the bottom motor can be started to be cut by the cutting assembly in a rotating mode, an operator does not need to adjust the fixed position in midway, and therefore machining efficiency is improved.
(3) In the automatic casting method for investment casting precision castings, the drying operation is added to further increase the strength of the wax shell and prevent the wax shell from deforming or breaking during casting.
Drawings
FIG. 1 is a schematic view of the construction of an automated wax pattern apparatus according to the present invention;
FIG. 2 is a schematic view of an intelligent die cutting apparatus of the present invention;
FIG. 3 is a schematic view of a fixing assembly according to the present invention;
FIG. 4 is a schematic view of the collecting assembly of the present invention.
In the figure: 1 supporting leg, 2 processing platform, 3 fixed subassembly, 31 movable block, 32 connecting blocks, 33 stoppers, 34 stoppers, 35 movable rod, 36 connecting rod, 37 supporting block, 38 dwang, 39 bottom motor, 4 cutting assembly, 41 top motor, 42 cylinder, 43 pivot, 44 connecting plate, 45 cutting blade, 5 support frames, 6 collection subassembly, 61 standing groove, 62 collection frame, 63 handle, 64 fan, 65 mounting bracket, 100 box, 200 xarm, 300 electric putter, 400 upper die, 500 lower die, 600 fixture block, 700 draw-in groove, 800 motor, 900 threaded rod, 10 threaded block, 110 movable wheel, 120 spout, 130 fixed block, 140 movable rod, 150 connecting blocks, 160 push pedal, 170 movable groove, 180 fixed seat, 19 supporting leg.
Detailed Description
The present invention will be described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention.
The invention discloses an automatic casting method for investment casting precision castings, which comprises the following steps: manufacturing a wax mold according to the shape of the casting, and crusting the wax mold; step two: taking out the wax mould from the wax shell to form a casting mould cavity, and recycling the removed wax material for reuse; step three: casting; step four: sand removal; as an invention point of the present invention, the wax pattern in the second step is automatically removed by using an automatic device, and referring to fig. 1, the wax pattern automatic device of the present invention includes a box 100, the bottom of the box 100 is fixedly connected with four support legs 19, the number of the support legs 19 is four, the four support legs 19 are uniformly distributed at four corners of the bottom of the box 100, so that the device is more stable, the top of the box 100 is fixedly connected with a cross arm 200, the bottom of the cross arm 200 is fixedly connected with an electric push rod 300, the bottom of the electric push rod 300 is fixedly connected with an upper mold 400, the top of the box 100 is fixedly connected with a lower mold 500, and the interior of the box 100 is fixedly connected with a transmission structure.
Wherein, the transmission structure is including fixed connection in the inside motor 800 of box 100, motor 800 right side fixedly connected with threaded rod 900, threaded rod 900 surface swing joint has the screw block 10 that quantity is two, the equal fixedly connected with fixed block 130 in two screw block 10 tops, two fixed block 130 openly equal swing joint have movable rod 140, two movable rod 140 back swing joint have connecting block 150, connecting block 150 top fixedly connected with push pedal 160, push pedal 160 swing joint is inside lower mould 500, movable groove 170 has been seted up at the box 100 top, push pedal 160 swing joint is inside movable groove 170, starter motor 800 drives the threaded rod 900 rotation, the rotatory two screw block 10 relative movement that drive of threaded rod 900, two screw block 10 relative movement drive two movable rods 140 fold, movable rod 140 removes drive connecting block 150 and push pedal 160 rebound, push pedal 19 rebound can realize upwards releasing the wax matrix. In this embodiment, the fixing seat 180 is fixedly connected to the inside of the box 100, the threaded rod 900 is movably connected to the inside of the fixing seat 180, so that the threaded rod 900 is more stable when rotating, and the threaded rod 900 is a bidirectional threaded rod, so that the two threaded blocks 10 can move relatively or away from each other.
More preferably, in this embodiment of the present invention, the movable wheels 110 are fixedly connected to the bottoms of the two screw blocks 10, the sliding groove 120 is formed in the box 100, and the two movable wheels 110 are movably connected to the sliding groove 120, so that the friction force generated when the screw blocks 10 move left and right can be reduced.
In this embodiment, the bottom of the upper mold 400 is fixedly connected with four clamping blocks 600, the lower mold 500 is internally provided with four clamping grooves 700, and the four clamping blocks 600 are matched with the clamping grooves 700 in size, so that the sealing performance and the stability between the upper mold 400 and the lower mold 500 can be further improved.
The use principle and the method of the automation equipment are as follows: electric putter 300 drives mould 400 downstream and bed die 500 processes, and when needs automatic drawing of patterns, starter motor 800 drives threaded rod 900 rotatory, and threaded rod 900 is rotatory to drive two screw block 10 relative movement, and two screw block 10 relative movement drive two movable rods 140 and fold, and movable rod 140 removes and drives connecting block 150 and push pedal 160 rebound, and push pedal 160 rebound can realize upwards releasing the wax matrix, accomplishes.
Further preferably, in this embodiment of the present invention, the wax material recycling process in the second step is to recycle the wax material after an intelligent die cutting process. Referring to fig. 2, the intelligent die cutting equipment in the invention comprises a processing table 2, wherein a supporting leg 1 is fixedly connected to the lower end of the processing table 2, a fixing assembly 3 is fixedly installed at the upper end of the processing table 2, a supporting frame 5 is fixedly connected to the upper end of the processing table 2, a cutting assembly 4 is fixedly installed on the inner side of the supporting frame 5, and a collecting assembly 6 is fixedly installed at the lower end of the processing table 2.
As a further preferred, in this embodiment of the present invention, the cutting assembly 4 includes a cylinder 42 having one end fixedly connected to the inner side of the supporting frame 5, an output end of the cylinder 42 is fixedly connected to a connecting plate 44, a lower end of the connecting plate 44 is fixedly connected to a top motor 41, an output shaft of the top motor 41 is fixedly connected to a rotating shaft 43, an outer side of the rotating shaft 43 is fixedly connected to a cutting blade 45 having one end penetrating and extending to the inner side of the connecting plate 44, and the activated cylinder 42 can drive the rotating cutting blade 45 to move up and down to cut the wax shell mold.
In this embodiment, make things convenient for operating personnel to take through fixed subassembly 3 and put the wax shell mould in, can also drive the wax shell mould and rotate, improve cutting efficiency.
Referring to fig. 3-4, in this embodiment, the fixed assembly 3 includes a movable block 31 having one end movably connected to an upper end of the processing table 2, a supporting block 37 is fixedly connected to the upper end of the processing table 2, a bottom motor 39 is fixedly connected to the upper end of the processing table 2, a rotating rod 38 is fixedly connected to an output shaft of the bottom motor 39 and has one end penetrating through and extending to an inner side of the supporting block 37, a connecting rod 36 is hinged to an outer side of the rotating rod 38, a movable rod 35 is movably connected to an inner side of the movable block 31 and has one end penetrating through and extending to an inner side of the connecting rod 36, the movable rod 35 and an outer side of the connecting rod 36 are both provided with a stopper 34, an inner side of the right stopper 34 is fixedly connected to an outer side of the connecting rod 36, an inner side of the left stopper 34 is movably connected to an outer side of the movable rod 35, both outer sides of the two stoppers 34 are fixedly connected to stoppers 33, and an outer side of the left stopper 33 is rotatably connected to a connecting block 32 having one end fixedly connected to an outer side of the movable rod 35.
In this embodiment, through rotating movable rod 35 and 36 separation backs of connecting rod, can place the wax shell mould on stopper 34, the reverse rotation movable rod 35 makes the dog 33 of both sides fix the wax shell mould afterwards, and the bottom motor 39 through the start-up drives the wax shell mould by fixed and rotates at last.
Wherein, the upper end of processing platform 2 has seted up first spout (not shown in the figure), and the upper end fixedly connected with one end of movable block 31 runs through and extends to the inboard first slider (not shown in the figure) of first spout, first slider and first spout sliding connection, make movable block 31 can the horizontal slip on workstation 2.
In addition, a thread groove (not shown in the figure) is formed in one end of the connecting rod 36, which is far away from the bottom motor 39, an external thread (not shown in the figure) is formed on the outer side of the movable rod 35, and the external thread (not shown in the figure) and the thread groove (not shown in the figure) are matched with each other, so that the movable rod 35 can rotate into the connecting rod 36.
Secondly, collect subassembly 6 and include that one end is seted up at the standing groove 61 in the processing platform 2 outside, the inboard swing joint of standing groove 61 has and collects frame 62, collect the positive fixedly connected with handle 63 of frame 62, the lower tip fixedly connected with mounting bracket 65 of processing platform 2, the inside wall fixedly connected with fan 64 of mounting bracket 65, collect the inside wall fixedly connected with filter screen 66 of frame 62, make and collect the piece that frame 62 and fan 64 can produce when being cut the wax shell mould and collect.
Then, the inside of processing platform 2 has been seted up the ventilation hole that one end and standing groove 61 communicate, and the exhaust vent has been seted up to the inside wall of mounting bracket 65, makes the suction that the fan 64 produced after starting through passing processing platform 2.
Finally, the inside of processing platform 2 is seted up the second spout (not shown in the figure) of one end and standing groove 61 intercommunication, and the outside fixedly connected with one end of rack 62 runs through and extends to the inboard second slider (not shown in the figure) of second spout, and second slider and second spout sliding connection make things convenient for operating personnel to take and put collection frame 62. The components not shown in the above figures are all conventional connection manners in the prior art, and are not described herein again.
The working principle and the working method of the embodiment are as follows:
(1) make the thread groove on external screw thread and the connecting rod 36 on it separate the back through rotating movable rod 35, can cup joint the wax shell mould on right side stopper 34, rotate the thread groove on movable rod 35 to the connecting rod 36 afterwards in, the dog 33 that makes both sides fixes the wax shell mould, then start driving motor 39 drives the wax shell mould and rotates, make the wax shell mould limit rotate the limit and cut by pivoted cutting blade 45, the in-process that need not the cutting needs artifical manual regulation fixed position, improve cutting efficiency.
(2) The great piece of specification then can drop to on collecting the filter screen 66 on the 62 inside walls of frame when the wax shell mould is cut, the less piece of specification, the fan 64 that can be started adsorbs to collect and is blockked by the filter screen 66 on collecting the frame 62 in the frame 62, closes the fan 64 back, then the piece of collecting is handled to accessible handle 63 pulling collection frame 62, comes reuse, resources are saved.
Further preferably, in this embodiment of the present invention, a drying operation is further performed before the casting step of the third step in the automated casting method for investment casting precision castings, and the drying conditions are as follows: the drying temperature is 80-90 ℃ and the drying time is 0.5-1 h. In the present invention, the drying operation is added in order to further increase the strength of the wax shell, preventing the wax shell from being deformed or broken during casting.
Further preferably, in this embodiment of the present invention, the sand removing step is to remove sand sticking and surface foreign matter from the casting, relief-grind projections such as cut ribs, flash, and burrs, and grind and finish the surface of the casting.
In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
While the foregoing specification illustrates and describes the preferred embodiments of this invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as limited to the disclosed embodiments, and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (10)
1. An automatic casting method for investment casting precision castings comprises the following steps: manufacturing a wax mold according to the shape of the casting, and crusting the wax mold; step two: taking out the wax mould from the wax shell to form a casting mould cavity, and recycling the removed wax material for reuse; step three: casting; step four: sand removal; the method is characterized in that: the wax mould in the second step is automatically removed by using automatic equipment, the automatic equipment comprises a box body (100), the bottom of the box body (100) is fixedly connected with a supporting leg (19), the top of the box body (100) is fixedly connected with a cross arm (200), the bottom of the cross arm (200) is fixedly connected with an electric push rod (300), the bottom of the electric push rod (300) is fixedly connected with an upper mould (400), the top of the box body (100) is fixedly connected with a lower mould (500), and a transmission structure is fixedly connected inside the box body (100);
the transmission structure is including fixed connection in inside motor (800) of box (100), motor (800) right side fixedly connected with threaded rod (900), threaded rod (900) surface swing joint has screw block (10) that quantity is two, two the equal fixedly connected with fixed block (130 in screw block (10) top, two fixed block (130) openly equal swing joint has movable rod (140), two movable rod (140) back swing joint has connecting block (150), connecting block (150) top fixedly connected with push pedal (160), movable groove (170) have been seted up at box (100) top.
2. The automated casting method of investment casting precision casting according to claim 1, wherein: the box (100) is internally and fixedly connected with a fixed seat (180), a threaded rod (900) is movably connected inside the fixed seat (180), and the threaded rod (900) is a bidirectional threaded rod.
3. The automated casting method of investment casting precision casting according to claim 2, wherein: the bottom of each thread block (10) is fixedly connected with a movable wheel (110), a sliding groove (120) is formed in the box body (100), and the two movable wheels (110) are movably connected to the inside of the sliding groove (120).
4. The automated casting method of investment casting precision casting according to claim 3, wherein: the bottom of the upper die (400) is fixedly connected with four clamping blocks (600), four clamping grooves (700) are formed in the lower die (500), and the size of each clamping block (600) is matched with that of each clamping groove (700).
5. The automated casting method of investment casting precision casting according to claim 1, wherein: the push plate (160) is movably connected to the inside of the lower die (500), and the push plate (160) is movably connected to the inside of the movable groove (170).
6. The automated casting method of investment casting precision casting according to claim 5, wherein: the number of the supporting legs (19) is four, and the four supporting legs (19) are uniformly distributed at four corners of the bottom of the box body (100).
7. The automated casting method of investment casting precision casting according to claim 5, wherein: the use method of the automation equipment comprises the following steps: s1: an electric push rod (3) drives an upper die (400) to move downwards to process with a lower die (500), S2, when automatic demolding is needed, a starting motor (800) drives a threaded rod (900) to rotate, the threaded rod (900) rotates to drive two threaded blocks (10) to move relatively, the two threaded blocks (10) move relatively to drive two movable rods (140) to fold, the movable rods (140) move to drive a connecting block (150) and a push plate (160) to move upwards, and the push plate (160) moves upwards to push out the wax die upwards, so that the process is completed.
8. The automated casting method of investment casting precision casting according to claim 1, wherein: and in the second step, the wax material is recycled after being cut by an intelligent die.
9. The automated casting method of investment casting precision casting according to claim 8, wherein: and drying operation is also carried out before the casting step in the third step, wherein the drying conditions are as follows: the drying temperature is 80-90 ℃ and the drying time is 0.5-1 h.
10. The automated casting method of investment casting precision casting according to claim 9, wherein: the sand removing step is to remove sand sticking and surface foreign matters of the casting, relief-grind projections such as cutting ribs, flash, burrs and the like, and polish and finish the surface of the casting.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210347805.8A CN114799046B (en) | 2022-04-01 | 2022-04-01 | Automatic casting method for investment casting precision castings |
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| CN202210347805.8A CN114799046B (en) | 2022-04-01 | 2022-04-01 | Automatic casting method for investment casting precision castings |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116329480A (en) * | 2023-03-24 | 2023-06-27 | 南京优耐特精密机械制造有限公司 | Leftover material collecting device for wax mold casting and collecting method thereof |
| CN117862412A (en) * | 2024-01-15 | 2024-04-12 | 东台嘉杰精密机械有限公司 | Full-automatic dewaxing and automatic recovery device |
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