CN115415511B - Pressurizing casting system based on mechanical automatic transfer - Google Patents
Pressurizing casting system based on mechanical automatic transfer Download PDFInfo
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- CN115415511B CN115415511B CN202210970354.3A CN202210970354A CN115415511B CN 115415511 B CN115415511 B CN 115415511B CN 202210970354 A CN202210970354 A CN 202210970354A CN 115415511 B CN115415511 B CN 115415511B
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- portal frame
- locking
- lifting
- casting
- area
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D47/00—Casting plants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
- B22D41/12—Travelling ladles or similar containers; Cars for ladles
Abstract
The invention discloses a pressurizing casting system based on mechanical automatic transfer, and relates to the technical field of pressurizing casting. Comprising the following steps: the casting mold transferring area, the refining transferring area, the transferring mechanism, the liquid lifting pipe mechanism and the casting device; the transport mechanism includes: portal frame removes track, first portal frame, second portal frame, heat preservation stove transfer track, transfer platform and heat preservation stove elevating gear, casting device includes: the device comprises an upper tank body, a lower tank body, a heat preservation furnace and a middle tank multi-interface platform, wherein a first portal frame comprises a first lifting mechanism, and a second portal frame comprises a second lifting mechanism and a mechanical arm arranged on the second portal frame; the lift tube mechanism includes a securing device for restraining the lift tube and one or more lift tubes, and a robotic arm for transferring the lift tubes. Therefore, the problem that the traditional casting equipment does not integrate casting, casting mold, melting, refining and other working procedures and has low working efficiency is solved.
Description
Technical Field
The invention relates to the technical field of pressurized casting, in particular to a pressurized casting system based on mechanical automatic transfer.
Background
The mechanical automatic transfer mechanism is one of key components for realizing equipment automation and realizing process accurate control; the existing casting system realizes automatic transfer of the tank body and the mixed molten metal, but does not integrate casting, casting mold, melting, refining and other working procedures, so that the problems of untimely transfer and low transfer efficiency exist among the working procedures in the actual production process, thereby directly influencing the working efficiency. Therefore, how to improve the working efficiency of the existing casting system is an urgent problem to be solved at present.
Disclosure of Invention
In order to solve the problem that the traditional casting equipment does not integrate casting, casting mold, melting, refining and other working procedures, and has low working efficiency.
The embodiment of the invention provides a pressurizing casting system based on mechanical automatic transfer, which comprises a casting mold transfer area, a refining transfer area, a transfer mechanism, a liquid lifting pipe mechanism and a casting device; wherein, the liquid crystal display device comprises a liquid crystal display device,
the transport mechanism includes: the heat preservation furnace transferring rail extends to the heat preservation furnace lifting device from the portal frame moving rail, and the transferring platform is arranged on the heat preservation furnace transferring rail in a sliding manner; the portal frame moving track is in cross connection with the heat preservation furnace transferring track, and the first portal frame and the second portal frame are arranged on the portal frame moving track in a sliding manner; the casting mould transferring area is used for storing casting moulds, is connected with the portal frame moving track, and the refining transferring area is connected with the heat preservation furnace transferring track;
the casting device comprises: the upper tank body, the lower tank body, the heat preservation furnace and the middle tank multi-interface platform are arranged in the lower tank body, and the upper tank body and the lower tank body are respectively connected with the top end and the bottom end of the middle tank multi-interface platform; the second portal frame comprises a second lifting mechanism and a mechanical arm arranged on the second portal frame, and the second lifting mechanism is used for transferring the upper tank body; the lift tube mechanism includes a securing device for restraining the lift tube and one or more lift tubes, and a robotic arm for transferring the lift tubes.
In one possible design, the mid-tank multi-interface platform includes: the locking device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; wherein, the supporting plate is provided with an external hole, and the supporting plate is connected with the ground through the external hole; the locking ring is positioned above the supporting plate, an upper annular gear and a lower annular gear are arranged on the inner side of the locking ring, and vertical projections of the upper annular gear and the lower annular gear are mutually overlapped; an annular locking area is formed between the upper annular gear and the lower annular gear, an upper butt joint area, a partition board area and a lower butt joint area are respectively formed between the upper annular gear and the lower annular gear, the upper butt joint area, the partition board area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area, the partition board is arranged at the middle part of the annular locking area, the upper tank body is arranged at the upper end of the annular locking area, and the lower tank body is arranged at the lower end of the annular locking area; the lower inner tooth bottom of lower ring gear has all offered reverse constant head tank, and locking drive arrangement includes two at least locking pneumatic cylinders of relative setting, is equipped with the pneumatic cylinder mount pad in the backup pad, is equipped with articulated seat relatively on the locking ring, articulates between locking pneumatic cylinder's one end and the pneumatic cylinder mount pad, and locking pneumatic cylinder's the other end is articulated with the articulated seat that corresponds.
In one possible design, the periphery of the top surface of the middle partition plate is provided with a first sealing groove, a first sealing ring is arranged in the first sealing groove, and the first sealing ring is provided with a first vent hole capable of expanding the first sealing ring; the second seal groove is formed in the periphery of the bottom surface of the middle partition plate, a second seal ring is arranged in the second seal groove, and the second seal ring is provided with a second ventilation hole capable of enabling the second seal ring to expand.
In one possible design, the first gantry includes: the device comprises a first portal frame main body, a traveling driving mechanism and a first lifting mechanism, wherein the traveling driving mechanism and the first lifting mechanism are arranged on the first portal frame main body, a clamping device is arranged on the first lifting mechanism, the first lifting mechanism comprises a first lifting supporting mechanism and a second lifting supporting mechanism which are symmetrically arranged in the middle of two sides of the first portal frame main body, the first lifting supporting mechanism and the second lifting supporting mechanism both comprise a hydraulic cylinder and guide posts which are symmetrically arranged on two sides of the hydraulic cylinder, the upper end and the lower end of each guide post are respectively fixedly connected with the upper end and the lower end of the first portal frame main body, the lower end of each hydraulic cylinder is fixed at the lower end of the first portal frame main body, and the upper end of each hydraulic cylinder drives the clamping device to lift; the clamping device comprises two lifting moving parts, a cross beam fixed between the two lifting moving parts, two clamping devices in sliding fit with the cross beam and a transverse driving device for driving the clamping devices to move along the cross beam, wherein the two lifting moving parts are respectively in vertical sliding fit with corresponding guide posts, the upper ends of the two hydraulic cylinders are respectively fixedly connected with the corresponding lifting moving parts, and the clamping devices are provided with butt joint parts for butt joint with the connecting parts on the casting mold.
In one possible design, the clamping device comprises a transverse moving part and a clamping arm, wherein the transverse moving part is in sliding fit with the cross beam, and the upper end of the clamping arm is fixedly connected with the transverse moving part.
In one possible design, the lateral movement portion includes a sliding space, the cross beam is located in the sliding space, and a plurality of rollers are arranged on the inner side wall of the sliding space and are in rolling fit with the cross beam.
In one possible design, the lateral movement portion includes a side plate, a top plate and a bottom plate, the side plate has two pieces and is symmetrically disposed on two sides of the cross beam, the top plate and the bottom plate are disposed on an upper end and a lower end of the side plate respectively, and rollers are disposed on inner sides of the top plate and the side plate respectively.
In one possible design, the upper end of the clamping arm is fixedly connected with the lower end of the transverse moving part near the outer side of the clamping arm, one end, far away from the clamping arm, of the bottom plate is provided with a connecting seat, the upper end of the clamping arm is provided with an opening, one end of the transverse driving device is arranged at a position, near the lifting moving part, on the cross beam, and the other end of the transverse driving device penetrates through the opening and is fixedly connected with the connecting seat.
In one possible design, the walking driving mechanism comprises a chain wheel and chain transmission mechanism and a motor, wherein the chain wheel and chain transmission mechanism and the motor are respectively arranged on two sides of the first portal frame body, the motor is used for driving the chain wheel and chain transmission mechanism to act, the chain wheel and chain transmission mechanism comprises a plurality of guide rollers arranged at the lower end of the first portal frame body, chain wheels coaxially arranged on the guide rollers and a driving chain arranged on the chain wheels, and the chain wheels positioned on the same side of the first portal frame body are in transmission connection through the driving chain.
In one possible design, the two sides of the first portal frame body are respectively provided with a high-position locking device for locking the highest position of the lifting moving part, the lifting moving part is provided with a butt joint hole, the high-position locking device comprises a locking pin and a locking pin driving device, the locking pin driving device is arranged on the first portal frame body, and the locking pin driving device drives the locking pin to extend into the butt joint hole.
The foregoing description is only an overview of the present invention, and is intended to be implemented in accordance with the teachings of the present invention in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present invention more readily apparent.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:
FIG. 1 is a schematic top view of a squeeze casting system based on mechanical automated transfer;
FIG. 2 is a schematic perspective view of a squeeze casting system based on mechanical automated transfer;
FIG. 3 is a schematic diagram of a multi-interface platform of a middle tank;
FIG. 4 is a schematic view of a partial structure of a multi-interface platform of the middle tank;
FIG. 5 is a schematic view of a locking ring;
FIG. 6 is a partial cross-sectional view of a mid-tank multi-interface platform;
FIG. 7 is a schematic side view of a first gantry;
FIG. 8 is a schematic structural view of the first gantry at a second view angle;
FIG. 9 is a schematic structural view of the first gantry at a third view angle;
fig. 10 is a schematic structural view of the elevating moving part.
Icon: 10-a pressurized casting system based on mechanical automatic transfer; 11-a mold transfer zone; 12-a refining transfer zone; 13-a transport mechanism; 14-a lift tube mechanism; 15-a casting device; 16-portal frame moving track; 17-a first portal frame; 18-a second portal frame; 19-a transfer rail of the heat preservation furnace; 20-a transport platform; 151-a heat preservation furnace lifting device; 152-upper tank; 153-lower tank; 154-a holding furnace; 200-a middle tank multi-interface platform; 171-a first lifting mechanism; 181-a second lifting mechanism; 172-a mechanical arm; 141-firmware means; 142-lift tube; 201-a support plate; 202-a middle separator; 203-a locking ring; 204-locking drive means; 205-external connection holes; 206-upper ring gear; 207-lower ring gear; 208-annular locking zone; 210-a reverse positioning groove; 211-locking hydraulic cylinders; 212-a mounting base; 213-hinge base; 214-a first seal groove; 215-a first seal ring; 216—a first vent; 217-second seal groove; 218-a second sealing ring; 219-second vent holes; 220-a first gantry body; 221-a walking driving mechanism; 223-clamping means; 224-a first lifting support mechanism; 225-a second lifting support mechanism; 226-hydraulic cylinder; 227-guide posts; 228—a lifting movement section; 229-a cross beam; 230-transverse driving means; 231-a lateral movement section; 232-a clamping arm; 233-a roller; 234-side plates; 235-top plate; 236-a bottom plate; 238-sprocket chain drive; 239-guide roller; 240-sprocket; 241-high lock; 242-butt-joint holes; 243-locking pin; 244-locking pin driving means; 245-butt joint.
Detailed Description
The invention will be further elucidated with reference to the drawings and to specific embodiments. The present invention is not limited to these examples, although they are described in order to assist understanding of the present invention.
Referring to fig. 1-10, a mechanical automated transfer-based squeeze casting system 10 includes a mold transfer zone 11, a refining transfer zone 12, a transfer mechanism 13, a lift tube 142 mechanism 14, and a casting device 15; the casting mould transferring area 11 is used for storing casting moulds, different cavities are set according to the structure of a casting component, the refining transferring area 12 is used for smelting mixed metal liquid, the transferring mechanism 13 is used for transferring the mixed metal liquid into the casting device 15, and the casting device 15 is used for pressing the mixed metal liquid into the cavities for casting.
Wherein the transfer mechanism 13 comprises: the heat preservation furnace transferring rail 19 extends from the portal frame moving rail 16 to the heat preservation furnace lifting device 151, and the transferring platform 20 is arranged on the heat preservation furnace transferring rail 19 in a sliding manner; the portal frame moving track 16 is in cross connection with the holding furnace transferring track 19, and the first portal frame 17 and the second portal frame 18 are arranged on the portal frame moving track 16 in a sliding manner; the casting mould transferring area 11 is used for storing casting moulds, the casting mould transferring area 11 is connected with the portal frame moving track 16, and the refining transferring area 12 is connected with the holding furnace transferring track 19;
the casting device 15 includes: the upper tank body 152, the lower tank body 153, the heat preservation furnace 154 and the middle tank multi-interface platform 200, wherein the heat preservation furnace 154 is arranged in the lower tank body 153, and the upper tank body 152 and the lower tank body 153 are respectively connected with the top end and the bottom end of the middle tank multi-interface platform 200; the second portal frame 18 comprises a second lifting mechanism 181 and a mechanical arm 172 arranged on the second portal frame 18, wherein the second lifting mechanism 181 is used for transferring the upper tank 152; the lift tube 142 mechanism 14 includes a securing device 141 and one or more lift tubes 142, the securing device 141 being used to retain the lift tubes 142 and a robotic arm being used to transfer the lift tubes 142.
In this embodiment, the transfer platform 20 may employ a servo motor, a reduction gear and a driving rail wheel to realize variable speed motion, so as to ensure the stability of the movement of the holding furnace 154 containing the mixed metal solution on the holding furnace transfer rail 19. Preferably, the maximum movement speed of the transfer platform 20 in the transfer track 19 of the holding furnace is 0.1m/s; meanwhile, in order to ensure that the mixed metal solution in the smelting furnace of the refining transfer zone 12 safely enters the holding furnace 154, a holding furnace lifting device 151 is arranged to adjust the horizontal height of the holding furnace 154, and the holding furnace lifting device 151 adopts a lifting vehicle with hydraulic drive.
In specific implementation, the grating can be used for positioning and measuring the speed of the transfer platform 20, and the holding furnace 154 can be fixed on the transfer platform through the locking pin 243, so that the positioning accuracy of the holding furnace 154 in the transfer process and the stability of the holding furnace 154 on the transfer platform 20 are ensured. The first lifting mechanism 171 comprises lifting hydraulic cylinders 226 and guide rods, and the lifting hydraulic cylinders 226 on two sides are provided with synchronizers, so that stable and smooth lifting movement is ensured; preferably, the lifting stroke is 600-1500 mm. The first portal frame 17 is used for hoisting the casting mould, the holding furnace 154 and/or the middle partition 202; it will be appreciated that the first lifting mechanism 171 may be provided with a docking portion 25 and that the mould, holding furnace 154 and/or intermediate deck 202 may be provided with lifting lugs that are not compatible with docking. The first portal frame 17 and the second portal frame 18 move by sharing a portal frame moving track 16, and the first portal frame 17 and the second portal frame 18 adopt a servo motor, a reduction gear and a driving rail wheel, so that variable speed movement is realized; wherein the casting device 15 may be arranged between two travelling rails of the gantry movement track 16.
When casting, when the holding furnace lifting device 151 transfers the holding furnace 154 from the refining station to the transferring platform 20, the transferring platform 20 can move the holding furnace 154 to the holding furnace 154 transferring station, and the holding furnace 154 needs to be transferred to the casting device 15, the first portal frame 17 can move to the casting device 15 along the portal frame moving rail 16, and at this time, the first portal frame 17 places the holding furnace 154 into the lower tank 153. The first portal frame 17 can also realize the transportation to the baffle 202, can set up the lug on the baffle 202, cooperates butt joint portion 25 can realize the automatic hoist and mount to the baffle 202. The lift tube 142 provided in the fixture is placed into the mixed metal solution in the holding furnace 154 through the intermediate partition 202 by the robot arm 172. The first portal frame 17 can also realize the transfer of the casting mould, when the casting mould is required to be transferred, the casting mould transfer rail firstly transfers the casting mould in the casting mould transfer area 11 to a position butted with the portal frame moving rail 16, the first portal frame 17 moves the position, rises to a proper position through the first lifting mechanism 171, and then the first portal frame 17 moves to the casting device 15 along the portal frame moving rail 16; at this point, the first lifting mechanism 171 places the mold on the corresponding septum 202 and connects the bottom hole of the mold to the top of the lift tube 142. After the first portal frame 17 fixes the middle partition 202, the second portal frame 18 lifts the upper tank 152 to a proper position and moves to the position of the casting device 15 along the portal frame moving track 16, and the second portal frame 18 places the upper tank 152 above the corresponding middle partition 202, so that the upper tank 152 is transferred. The upper tank 152, the partition plate and the lower tank 153 are then fixed by the middle tank multi-interface platform 200.
According to the technical scheme, automatic operation is completely realized on the transfer of the holding furnace 154, the middle partition 202, the casting mold and the upper tank 152, casting mold, melting, refining and other procedures can be integrated, and the control of actions such as fixing, lifting, moving and the like of mechanical automatic transfer is realized through the arrangement of the transfer mechanism 13. The transfer of the mold and holding furnace 154 can be accomplished by rail-to-rail engagement with automated mold and high quality smelting processes, etc., which improves the overall automation level.
In one possible design, the mid-tank multi-interface platform 200 includes: a support plate 201, a middle partition 202, a locking ring 203, and a locking drive 204; wherein, the supporting plate 201 is provided with an external hole 205, and the supporting plate 201 is connected with the ground through the external hole 205; the locking ring 203 is positioned above the supporting plate 201, an upper annular gear 206 and a lower annular gear 207 are arranged on the inner side of the locking ring 203, and vertical projections of the upper annular gear 206 and the lower annular gear 207 are mutually overlapped; an annular locking area 208 is formed between the upper annular gear 206 and the lower annular gear 207, an upper butt joint area, a partition board area and a lower butt joint area are respectively formed between the upper annular gear 206 and the lower annular gear 207, the upper butt joint area, the partition board area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area 208, the middle partition board 202 is arranged at the middle part of the annular locking area 208, the upper tank 152 is arranged at the upper end of the annular locking area 208, and the lower tank 153 is arranged at the lower end of the annular locking area 208; the lower inner tooth bottom of lower ring gear 207 has all offered reverse constant head tank 210, and locking drive arrangement 204 includes two at least locking pneumatic cylinders 211 that set up relatively, is equipped with pneumatic cylinder mount pad 212 on the backup pad 201, is equipped with articulated seat 213 relatively on the locking ring 203, articulates between locking pneumatic cylinder 211's one end and the pneumatic cylinder mount pad 212, and locking pneumatic cylinder 211's the other end and the articulated seat 213 that corresponds.
In the embodiment of the present invention, the locking ring 203 is located above the supporting plate 201; wherein, the supporting plate 201 may be provided with a limiting mechanism, the limiting mechanism mainly limits the locking ring 203 to prevent the locking ring 203 from shifting when being matched with the locking driving device 204 to rotate, the limiting mechanism may be a convex ring, the convex ring is connected with the supporting plate 201, and the locking ring 203 is sleeved on the periphery of the convex ring; of course, the limiting mechanism may be other limiting structures for limiting the displacement of the locking ring 203 when rotated. An upper annular gear 206 and a lower annular gear 207 are arranged on the inner side of the locking ring 203, and vertical projections of the upper annular gear 206 and the lower annular gear 207 are mutually overlapped; an upper butt joint region, a baffle plate region and a lower butt joint region are respectively formed between the upper annular gear 206 and the lower annular gear 207, and are respectively positioned at the upper end, the middle part and the lower end of the annular locking region 208; the intermediate diaphragm 202 is mounted in the middle of the annular locking region 208. In the process that the locking driving device 204 drives the locking ring 203 to rotate around the axis of the locking ring 203, the middle partition 202 is arranged between the upper tank 152 and the lower tank 153, and the inner teeth of the upper inner gear ring 206 and the lower inner gear ring 207 simultaneously move to the upper end and the lower end of the wedge-shaped teeth corresponding to the upper tank 152 and the lower tank 153, so that the upper tank 152 and the lower tank 153 are locked. To sum up, locking ring 203 cooperates locking drive arrangement 204 rotatory thereby realizes the locking connection of last jar body 152 and lower jar body 153, and installation degree of automation is high, convenient and fast, and work efficiency is high, and need not to establish in addition the jar body for current design, and this design only needs a locking ring 203, and the structure is more retrencied, has obviously reduced manufacturing cost. Therefore, the problems that the traditional casting equipment is troublesome to install, the working efficiency is affected, the production cost is high and the sealing performance is poor are solved.
In order to realize stable driving of the locking ring 203, the locking driving device 204 includes at least two locking hydraulic cylinders 211 that are oppositely disposed, a hydraulic cylinder mounting seat 212 is disposed on the supporting plate 201, a hinge seat 213 is oppositely disposed on the locking ring 203, one end of the locking hydraulic cylinder 211 is hinged to the hydraulic cylinder mounting seat 212, and the other end of the locking hydraulic cylinder 211 is hinged to the corresponding hinge seat 213. In this embodiment, by providing two sets of locking driving devices 204, stability of the locking ring 203 in the rotation process is ensured, and the upper ring gear 206 and the lower ring gear 207 are prevented from being deformed by the wedge teeth corresponding to the upper tank 152 and the lower tank 153 when the locking ring 203 is pressed.
In addition, in order to prevent the lower tank 153 from being thermally expanded during long-time operation, the limiting gap of the locking ring 203 is reduced, and thus the locking ring 203 is locked with the lower tank 153 flange, the lower end of the lower inner teeth of the lower ring gear 207 is provided with a reverse positioning groove 210, and the end of the lower tank 153 is provided with a reverse positioning protrusion engaged with the reverse positioning groove 210. That is, the limiting surface of the locking ring 203 is arranged on the reverse side of the thermal expansion direction, so that the gap is not reduced after the lower tank 153 is heated and expanded, and the problem that the tank cannot be opened due to heated and blocked is prevented.
In one possible design, the top surface of the septum 202 has a first seal groove 214 formed around the perimeter thereof, the first seal groove 214 having a first seal ring 215 formed therein, the first seal ring 215 having a first vent hole 216 capable of expanding the first seal ring 215; a second seal groove 217 is formed on the outer periphery of the bottom surface of the middle partition plate 202, a second seal ring 218 is provided in the second seal groove 217, and the second seal ring 218 has a second ventilation hole 219 through which the second seal ring 218 can be expanded.
The middle baffle 202 is arranged between the upper tank body 152 and the lower tank body 153, the middle baffle 202 is respectively provided with a first sealing ring 215 and a second sealing ring 218 between the upper tank body 152 and the lower tank body 153, the space separation of the upper tank body 152 and the lower tank body 153 is realized, the differential pressure casting is conveniently realized, the sealing effect between the lower tank body 153 and the upper tank body 152 and the middle baffle 202 is better, the pressure difference can be formed between the upper tank body 152 and the lower tank body 153, and the smooth casting work is ensured. Wherein, the first sealing ring 215 has a first vent hole 216 that can make the first sealing ring 215 expand, and the second sealing ring 218 has a second vent hole 219 that can make the second sealing ring 218 expand, when the air pressure in the upper tank 152 increases, the high-pressure air in the upper tank 152 enters the first sealing ring 215 through the first vent hole 216, so as to improve the tightness between the upper tank 152 and the middle partition 202; similarly, when the air pressure in the lower tank 153 increases, the high-pressure air in the lower tank 153 enters the second sealing ring 218 through the second ventilation hole 219, so that the tightness between the lower tank 153 and the middle partition 202 can be improved.
In one possible design, the first gantry 17 includes: the first portal frame body 220, a traveling driving mechanism 221 and a first lifting mechanism 171 which are arranged on the first portal frame body 220, wherein a clamping device 223 is arranged on the first lifting mechanism 171, the first lifting mechanism 171 comprises a first lifting supporting mechanism 224 and a second lifting supporting mechanism 225 which are symmetrically arranged in the middle of two sides of the first portal frame body 220, the first lifting supporting mechanism 224 and the second lifting supporting mechanism 225 both comprise a hydraulic cylinder 226 and guide columns 227 which are symmetrically arranged on two sides of the hydraulic cylinder 226, the upper end and the lower end of the guide columns 227 are respectively fixedly connected with the upper end and the lower end of the first portal frame body 220, the lower end of the hydraulic cylinder 226 is fixedly arranged at the lower end of the first portal frame body 220, and the upper end of the hydraulic cylinder 226 drives the clamping device 223 to lift; the clamping device 223 comprises two lifting moving parts 228, a cross beam 229 fixed between the two lifting moving parts 228, two clamping devices 223 in sliding fit with the cross beam 229, and a transverse driving device 230 for driving the clamping devices 223 to move along the cross beam 229, wherein the two lifting moving parts 228 are respectively in vertical sliding fit with corresponding guide posts 227, the upper ends of the two hydraulic cylinders 226 are respectively fixedly connected with the corresponding lifting moving parts 228, and the clamping device 223 is provided with a butt joint part 25 which is in butt joint with a connecting part on a casting mould.
Because be equipped with walking actuating mechanism 221 on the first portal frame main part 220, can drive first portal frame main part 220 and walk along the track, be equipped with docking portion 25 on the first elevating system 171, first elevating system 171 can drive docking portion 25 and go up and down to remove to docking portion 25 adaptation not high casting mould, the centre gripping of being convenient for realize the casting mould of co-altitude is fixed, conveniently realizes simultaneously the lift removal to the casting mould, and then is convenient for place the casting mould suitable position. Since the first elevation mechanism 171 includes the first elevation support mechanism 224 and the second elevation support mechanism 225, the two elevation support mechanisms symmetrically disposed can provide stable support for the elevation movement of the mold so that the first gantry body 220 can realize stable movement; because the first lifting supporting mechanism 224 and the second lifting supporting mechanism 225 both comprise a hydraulic cylinder 226 and guide columns 227 symmetrically arranged at two sides of the hydraulic cylinder 226, the upper end and the lower end of the guide columns 227 are respectively fixedly connected with the upper end and the lower end of the first portal frame main body 220, the lower end of the hydraulic cylinder 226 is fixed at the lower end of the first portal frame main body 220, the upper end of the hydraulic cylinder 226 drives the abutting part 25 to lift, and the two guide columns 227 can enable the hydraulic cylinder 226 to lift the abutting part 25 more stably; because the crossbeam 229 is arranged between the two lifting parts, the hydraulic cylinder 226 drives the lifting moving part 228 to lift and move, and the lifting of the crossbeam 229 is realized, because the crossbeam 229 is provided with the two clamping devices 223 in a sliding fit manner, the lifting of the crossbeam 229 synchronously drives the lifting of the clamping devices 223, and under the driving of the transverse driving device 230, the clamping devices 223 can move along the length direction of the crossbeam 229, the clamping devices 223 are provided with the butt joint parts 25 which are respectively in butt joint with the connecting parts of the casting mold, when the casting mold is required to be clamped, the height of the clamping devices 223 is adjusted through the first lifting mechanism 171, then the clamping devices 223 move along the crossbeam 229, the clamping fixation of the casting mold can be realized quickly, and then the height of the clamping devices 223 is adjusted through the lifting devices, so that the casting mold is adjusted to a proper height, and then the stable movement of the first portal frame main body 220 is convenient, and the transfer of the casting mold is realized.
In summary, because of the cooperation design of the first lifting mechanism 171 and the docking portion 25 in this technical solution, the clamping fixation of the molds of different sizes can be realized while the stability of the movement of the first portal frame main body 220 is improved, the complex operation that the prior art needs to replace the matched grippers according to the sizes of the molds is eliminated, the first portal frame main body 220 not only can realize the clamping fixation of the molds of different sizes, but also can ensure the stability of the clamping fixation state of the molds, and further improves the moving stability of the first portal frame main body 220, more importantly, the degree of automation is higher and the transfer efficiency of the molds is also obviously improved because the replacement operation of the grippers is omitted. Similarly, the transfer of the intermediate plate 202 and the melting furnace is the same as the transfer of the casting mold.
In one possible design, the clamping device 223 comprises a lateral drive device 230 and a clamping arm 232, the lateral drive device 230 being in sliding engagement with the cross beam 229, the upper end of the clamping arm 232 being fixedly connected to the lateral drive device 230.
In order to facilitate the sliding fit installation of the clamping device 223 and the cross beam 229 and to better realize the driving of the clamping device 223, the clamping device 223 comprises a transverse driving device 230 and a mold clamping arm 232, the transverse driving device 230 is in sliding fit with the cross beam 229, the upper end of the mold clamping arm 232 is fixedly connected with the transverse driving device 230, and in order to ensure the driving stability, the transverse driving device 230 can be a transverse driving hydraulic cylinder 226, and of course, other driving devices with an automatic telescopic function can be adopted.
In one possible design, the lateral driving device 230 includes a sliding space, the cross beam 229 is located in the sliding space, and a plurality of rollers 233 are disposed on the inner side wall of the sliding space, and the rollers 233 are in rolling fit with the cross beam 229.
In order to improve the smoothness of the sliding of the lateral driving device 230 along the cross beam 229, the lateral driving device 230 includes a sliding space, the cross beam 229 is located in the sliding space, and a plurality of rollers 233 are disposed on the inner side wall of the sliding space, and the rollers 233 are in rolling fit with the cross beam 229.
In one possible design, the lateral driving device 230 includes two side plates 234, a top plate 235 and a bottom plate 236, the side plates 234 are symmetrically disposed on both sides of the cross beam 229, the top plate 235 and the bottom plate 236 are disposed on the upper end and the lower end of the side plates 234, and the inner sides of the top plate 235 and the side plates 234 are provided with rollers 233, respectively.
For the convenience of installing the lateral driving device 230 on the cross beam 229, and for the convenience of installing the roller 233, the lateral driving device 230 includes two side plates 234, a top plate 235 and a bottom plate 236, the side plates 234 are symmetrically disposed on both sides of the cross beam 229, the top plate 235 and the bottom plate 236 are disposed on the upper end and the lower end of the side plates 234, and the inner sides of the top plate 235 and the side plates 234 are respectively provided with the roller 233.
In one possible design, the upper end of the clamping arm 232 is fixedly connected to the lower end of the transverse driving device 230 near the outer side thereof, a connecting seat is disposed at the end, far away from the clamping arm 232, of the bottom plate 236, an opening is disposed at the upper end of the clamping arm 232, one end of the transverse driving device 230 is mounted on the cross beam 229 near the lifting moving part 228, and the other end of the transverse driving device 230 is fixedly connected to the connecting seat after passing through the opening.
In order to improve the smoothness and stability of the sliding of the transverse driving device 230 along the cross beam 229, two rollers 233 are arranged at intervals along the moving direction of the top plate 235 on the inner side of the top plate 235, two groups of rollers 233 are arranged at intervals along the moving direction of the side plate 234 on the inner side of the side plate 234, two groups of rollers 233 are arranged at intervals along the height direction of the side plate 234, the rollers 233 on the top plate 235 are in rolling fit with the top of the cross beam 229, and the rollers 233 on the side plate 234 are in rolling fit with the side portions of the cross beam 229.
In one possible design, the walking driving mechanism 221 includes chain wheel 240 and chain transmission mechanism 238 disposed on two sides of the first gantry body 220, and a motor for driving the chain wheel 240 and chain transmission mechanism 238 to act, the chain wheel 240 and chain transmission mechanism 238 includes a plurality of guiding rollers 239 disposed on the lower end of the first gantry body 220, a chain wheel 240 coaxially disposed on the guiding rollers 239, and a driving chain disposed on the chain wheel 240, and the chain wheels 240 disposed on the same side of the first gantry body 220 are in driving connection by the driving chain.
In order to improve the walking stability of the first portal frame body 220, four corners of the lower end of the first portal frame body 220 are respectively provided with a moving wheel, and a chain wheel 240 and a chain transmission mechanism 238 are positioned between the two moving wheels on the same side of the first portal frame body 220.
In one possible design, the two sides of the first gantry body 220 are respectively provided with a high-level locking device 241 for locking the highest position of the lifting moving portion 228, the lifting moving portion 228 is provided with a docking hole 242, the high-level locking device 241 comprises a locking pin 243 and a locking pin driving device 244, the locking pin driving device 244 is mounted on the first gantry body 220, and the locking pin driving device 244 drives the locking pin 243 to extend into the docking hole 242.
The two sides of the first portal frame body 220 are respectively provided with a high-level locking device 241 for locking the highest position of the lifting moving part 228, the lifting moving part 228 is provided with a butt joint hole 242, the high-level locking device 241 comprises a locking pin 243 and a locking pin driving device 244, the locking pin driving device 244 is arranged on the first portal frame body 220, and the locking pin driving device 244 drives the locking pin 243 to extend into the butt joint hole 242. The high-level locking device 241 can prevent the casting mould from falling uncontrollably, so as to cause safety accidents, when the casting mould needs to be moved downwards, the locking pin driving device 244 drives the locking pin 243 to retract from the butt joint hole 242, namely, the first lifting mechanism 171 drives the casting mould clamping arm 232 to descend and drives the casting mould to move downwards.
The locking pin driving device 244 is an automatic telescopic rod structure, and may be a hydraulic cylinder 226 or other telescopic structures with automatic telescopic functions.
In summary, the foregoing description is only of the preferred embodiments of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. The pressurizing casting system based on mechanical automatic transfer is characterized by comprising a casting mold transfer area, a refining transfer area, a transfer mechanism, a liquid lifting pipe mechanism and a casting device; wherein, the liquid crystal display device comprises a liquid crystal display device,
the transport mechanism includes: the heat preservation furnace transferring rail extends from the portal frame moving rail to the heat preservation furnace lifting device, and the transferring platform is arranged on the heat preservation furnace transferring rail in a sliding manner; the first portal frame and the second portal frame are arranged on the portal frame moving track in a sliding manner; the casting mould transferring area is used for storing casting moulds, the casting mould transferring area is connected with the portal frame moving track, and the refining transferring area is connected with the heat preservation furnace transferring track;
the casting apparatus includes: the heat preservation furnace is arranged in the lower tank body, and the upper tank body and the lower tank body are respectively connected to the top end and the bottom end of the middle tank multi-interface platform; the second portal frame comprises a second lifting mechanism and a mechanical arm arranged on the second portal frame, and the second lifting mechanism is used for transferring the upper tank body; the lift tube mechanism comprises a firmware device and one or more lift tubes, wherein the firmware device is used for limiting the lift tubes, and the mechanical arm is used for transferring the lift tubes;
the middle tank multi-interface platform comprises: the locking device comprises a supporting plate, a middle partition plate, a locking ring and a locking driving device; wherein, the supporting plate is provided with an external hole, and the supporting plate is connected with the ground through the external hole; the locking ring is positioned above the supporting plate, an upper annular gear and a lower annular gear are arranged on the inner side of the locking ring, and vertical projections of the upper annular gear and the lower annular gear are mutually overlapped; an annular locking area is formed between the upper annular gear and the lower annular gear, an upper butt joint area, a partition board area and a lower butt joint area are respectively formed between the upper annular gear and the lower annular gear, the upper butt joint area, the partition board area and the lower butt joint area are respectively positioned at the upper end, the middle part and the lower end of the annular locking area, the partition board is arranged at the middle part of the annular locking area, the upper tank body is arranged at the upper end of the annular locking area, and the lower tank body is arranged at the lower end of the annular locking area; the locking driving device comprises at least two locking hydraulic cylinders which are oppositely arranged, a hydraulic cylinder mounting seat is arranged on the supporting plate, a hinging seat is oppositely arranged on the locking ring, one end of each locking hydraulic cylinder is hinged with the corresponding hinging seat, and the other end of each locking hydraulic cylinder is hinged with the corresponding hinging seat.
2. The pressurized casting system based on mechanical automatic transfer according to claim 1, wherein a first sealing groove is formed in the periphery of the top surface of the middle partition plate, a first sealing ring is arranged in the first sealing groove, and the first sealing ring is provided with a first vent hole capable of expanding the first sealing ring; the second seal groove is formed in the periphery of the bottom surface of the middle partition plate, a second seal ring is arranged in the second seal groove, and the second seal ring is provided with a second ventilation hole capable of enabling the second seal ring to expand.
3. The automated mechanical transfer-based squeeze casting system of claim 2, wherein the first gantry comprises: the device comprises a first portal frame main body, a traveling driving mechanism and a first lifting mechanism, wherein the traveling driving mechanism and the first lifting mechanism are arranged on the first portal frame main body, the first lifting mechanism is provided with a clamping device, the first lifting mechanism comprises a first lifting supporting mechanism and a second lifting supporting mechanism which are symmetrically arranged in the middle of two sides of the first portal frame main body, the first lifting supporting mechanism and the second lifting supporting mechanism both comprise a hydraulic cylinder and guide posts which are symmetrically arranged on two sides of the hydraulic cylinder, the upper end and the lower end of each guide post are respectively fixedly connected with the upper end and the lower end of the first portal frame main body, the lower end of each hydraulic cylinder is fixed at the lower end of the first portal frame main body, and the upper end of each hydraulic cylinder drives the clamping device to lift; the clamping device comprises two lifting moving parts, a cross beam fixed between the two lifting moving parts, two clamping devices in sliding fit with the cross beam and a transverse driving device for driving the clamping devices to move along the cross beam, wherein the two lifting moving parts are respectively in vertical sliding fit with corresponding guide posts, the upper ends of the two hydraulic cylinders are respectively fixedly connected with the corresponding lifting moving parts, and the clamping devices are provided with butt joint parts for butt joint with connecting parts on casting molds.
4. A machine automated transfer-based squeeze casting system according to claim 3 wherein the clamping means comprises a laterally moving portion slidably engaged with the cross beam and a clamping arm fixedly connected at an upper end to the laterally moving portion.
5. The automated mechanical transfer-based squeeze casting system of claim 4, wherein the lateral movement portion comprises a sliding space, wherein the cross beam is positioned in the sliding space, wherein a plurality of rollers are positioned on an inner side wall of the sliding space, and wherein the rollers are in rolling engagement with the cross beam.
6. The automated mechanical transfer-based squeeze casting system of claim 5, wherein the lateral movement section comprises two side plates symmetrically disposed on opposite sides of the cross beam, a top plate and a bottom plate disposed at upper and lower ends of the side plates, and rollers disposed on inner sides of the top plate and the side plates, respectively.
7. The automated mechanical transfer-based squeeze casting system of claim 6, wherein the upper end of the clamping arm is fixedly connected to the lower end of the lateral movement portion near the outer side thereof, a connecting seat is provided at one end of the bottom plate far away from the clamping arm, an opening is provided at the upper end of the clamping arm, one end of the lateral driving device is mounted on the cross beam near the lifting movement portion, and the other end of the lateral driving device is fixedly connected to the connecting seat after passing through the opening.
8. The pressurized casting system based on mechanical automatic transfer according to claim 3, wherein the traveling driving mechanism comprises a sprocket chain transmission mechanism and a motor, wherein the sprocket chain transmission mechanism and the motor are respectively arranged at two sides of the first portal frame body, the motor is used for driving the sprocket chain transmission mechanism to act, the sprocket chain transmission mechanism comprises a plurality of guide rollers arranged at the lower end of the first portal frame body, a sprocket coaxially arranged on the guide rollers and a driving chain arranged on the sprocket, and the sprockets positioned at the same side of the first portal frame body are in transmission connection through the driving chain.
9. The pressurized casting system based on mechanical automatic transfer according to claim 3, wherein two sides of the first portal frame body are respectively provided with a high-level locking device for locking the highest position of the lifting moving part, the lifting moving part is provided with a butt joint hole, the high-level locking device comprises a locking pin and a locking pin driving device, the locking pin driving device is arranged on the first portal frame body, and the locking pin driving device drives the locking pin to extend into the butt joint hole.
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