WO2018190524A1 - Système de fabrication automatisée continue pour moule en sable - Google Patents

Système de fabrication automatisée continue pour moule en sable Download PDF

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Publication number
WO2018190524A1
WO2018190524A1 PCT/KR2018/002965 KR2018002965W WO2018190524A1 WO 2018190524 A1 WO2018190524 A1 WO 2018190524A1 KR 2018002965 W KR2018002965 W KR 2018002965W WO 2018190524 A1 WO2018190524 A1 WO 2018190524A1
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WIPO (PCT)
Prior art keywords
flask
sand
fixed
frame
flasks
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Application number
PCT/KR2018/002965
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English (en)
Korean (ko)
Inventor
이정수
Original Assignee
주식회사 세성
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Publication of WO2018190524A1 publication Critical patent/WO2018190524A1/fr

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C21/00—Flasks; Accessories therefor
    • B22C21/02—Sectional flasks, i.e. with divided, articulated, or interchangeable side sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C21/00—Flasks; Accessories therefor
    • B22C21/10—Guiding equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C21/00—Flasks; Accessories therefor
    • B22C21/12—Accessories
    • 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

Definitions

  • the present invention relates to a continuous automatic manufacturing system of sand molds, and in particular, in the manufacture of sand molds in a mold made by hardening the foundry sand, a faster, simpler and continuous automated production is possible.
  • Continuous automated manufacturing of sand molds that can contribute to the improvement of sand mold productivity and quality, as well as significantly shorten the cycle time of product production and improve the worker's poor working environment due to scattering dust It's about the system.
  • Molds commonly used in casting include sand molds made by hardening the foundry sand, molds made by engraving metal such as steel, and sand mixed with particles of synthetic resin that hardens when heated.
  • Shell molds which are made by floating and solidifying to form a thin shell-shaped mold, are used.
  • Patents No. 10-1232759 Invention: Continuous Automated Manufacturing Apparatus and Manufacturing Method of Death Penalty
  • Patent Application No. 10-2013-0063771 Invention: Death Penalty
  • Patent application No. 10-1232759 of the prior art was developed by the applicant of the present application for the first time and applied for a patent, but the applicant was changed to Sewon Korea Co., Ltd. by changing the information of the applicant and inventor, and the inventor also became a representative of Sewon Korea Co., Ltd.
  • the actual developer of the device may be referred to as the applicant of the present application.
  • Patent Application No. 10-2013-0063771 filed in 2013 as an improved model of Patent Registration No. 10-1232759 is also an apparatus developed by the applicant of the present application.
  • the molding sand is not filled to a minute part or evenly filled in every corner, and the mold is broken and a quality product cannot be produced. Was exposed.
  • the death penalty is prepared by a flask having two sets of upper and lower ones, and the flask is used to manufacture the death penalty while systematically circulating a set of flasks that are reused as well as reused in the present invention.
  • Still another object of the present invention is to provide a sand-type continuous automated manufacturing system that can reduce the physical and human costs required for the maintenance of the equipment by allowing feedback and repair of only a corresponding part in the case of malfunctions between processes.
  • Another object of the present invention is to provide a continuous automatic manufacturing system of the death penalty that can benefit the operator's work efficiency increase, maintenance, repair by installing the entire system on the ground rather than the surface.
  • the flask supply unit 100 for clamping the upper and lower flasks 1 and 2 consisting of one set of upper and lower pieces individually, and then supplying the flask to the flask rotating unit 200 and the flask moved from the flask supply unit 100.
  • the first flask rotating part 200 to axially rotate the lower flask 2 by 180 ° to remove various foreign matter and excess casting sand accumulated in the lower flask 2 and to transfer it to the sand molder 400.
  • a pair of left and right pairs of foundry sands are supplied to the upper and lower flasks, which are transferred to the sand molder 400, to uniformly fill the corners of the upper and lower flasks by the turbine-type impeller 330.
  • the foundry sand is filled in the upper and lower flasks by the foundry sand supply unit 300, through the rotary vibrator 460 to the inside of the upper and lower flasks, the molding sand filled at the same time as the vibration transmission from the upper side to the lower side
  • the mold is pressurized in the direction so that the sand mold is strong and firmly formed, and then a pair of left and right sand molders 400 for conveying the flask to the second flask rotating part 500 and the sand molders 400 are transferred.
  • the secondary flask rotating unit 500 for transferring the upper flask and the lower flask overlapping portion 600 in a state in which the lower flask is rotated by 180 ° so that the received upper and lower flasks overlap each other, and the secondary flask rotating unit 500.
  • the lower flask is placed on the upper portion, and the upper flask is placed on the upper portion so that the upper flask is placed in the correct position, and the upper flask is transferred to the discharge conveyor.
  • the flask supply unit 100 is a base frame 110 is installed in a three-dimensional structure, and is installed on the top of the base frame 110, a pair of guide to the shuttle block 120 to reciprocate a certain section
  • the rail 111 and the reciprocating movement of a certain section in accordance with the operation of the gear motor 130 in a state seated on the upper end of the rail 111, one or more rollers 121 are mounted on both sides to smooth movement.
  • the chain joint 122 is fixed to the roller chain 123 so as to be fastened to the roller chain 123, and the roller chain 123 is connected and fixed to the chain joint 122, while the hydraulic cylinder 140 is fixed to the chain chain 122.
  • Shuttle block 120 is integrally mounted to the power base 150, the gear motor 130 is connected to the roller chain 123 so that the shuttle block 120 is reciprocated for a certain section, and the shuttle block 120 Fixed to the support frame 160 Hydraulic cylinder 140 for elevating, the power base 150 for preventing the support frame 160 is raised and lowered stably by preventing the left and right distortion when the hydraulic cylinder 140 is operated, and the hydraulic cylinder 140
  • the support frame 160 is connected to the loader and the floating joint 141 and fixed to the support frame 160, to enable a stable reciprocating movement of the clamp 162 during the operation of the air cylinder 161, clamp
  • At least one guide bar 163 is inserted into the shaft and the shaft is connected to the guide bar 163, the shaft is inserted, while the shaft is inserted while reciprocating a certain section according to the operation of the air cylinder 161 up and down
  • the primary flask rotating part 200 and the secondary flask rotating part 500 are installed on the base frame (210,510) and the upper one side of the base frame (210,510) installed in a three-dimensional structure to the roller chain (230,530) It is connected to the gear motors 220 and 520 to operate, the drive shafts 221 and 521 connected to the gear motors 220 and 520 and the tension shafts 222 and 522 equipped with a tension control function to be rotated by the operation of the gear motors 220 and 520.
  • roller chains 230 and 530 for transferring the upper and lower flasks 1 and 2 to a later process, and the flask is installed on an upper side of the base frame 210 and 510 to transfer the flask when the flask cannot be transferred to a later process.
  • Power bases 252 and 552 which allow stable lifting at the same time, are fixedly connected to the hydraulic cylinders 251 and 551 and the power bases 252 and 552, and the base brackets 253 and 553 to lift and lower when the hydraulic cylinders 251 and 551 and the power bases 252 and 552 are operated.
  • Ball bearings (254, 554) comprising a plurality of pairs of left and right, clamps (255, 555) for clamping the protrusion (3) of the flask so that the flask seated on the ball bearings (254, 554) can be axially rotated, and the clamps (255, 555)
  • Spur gears (257,557) which are fixed to the shafts (256,556) of the shaft and rotates the flask while rotating the rack, and the gears (2) 58,558, and the hydraulic cylinders (259,559) fixed to the ends of the rake gears (258,558) to elevate the lex gears (258,558) up and down in a predetermined section, and stable lifting without twisting when lifting the le
  • the foundry sand supply unit 300 is a base frame 310 is installed in a three-dimensional structure, a plurality of hopper 320 is installed on the upper side of the base frame 310 temporarily stored in the sand, and the hopper ( It is disposed on the bottom surface of 320, the inside of the casting sand is provided with a temporary storage space and at the same time the casting sand filled in the hopper 320 is formed in a structure that is open up and down to send down to the flask, casting sand While the turbine-type impeller 330 is installed to be rotatable so that the inside of the flask is evenly filled, the casting sand temporary storage container 340 is fixed integrally with the shuttle frame 350 to enable the front and rear reciprocating movement, and the foundry sand It is installed so as to be rotatable inside the temporary storage container 340, a plurality of before and after so that the molding sand can be supplied to every corner of the mold requiring a small precision Dog is installed, one or more
  • the upper rail 361 and the lower rail 362 for moving the cast 353 are installed to allow reciprocating movement, and a support frame 360 in which a hydraulic cylinder 363 is installed in the center and one side of the support frame 360 are provided. It is fixed to the hydraulic cylinder 363 for reciprocating the shuttle frame 350 before and after a predetermined period, and is disposed on the bottom surface of the foundry sand temporary storage container 340, the foundry sand temporary storage container 340 is positioned in the upper portion of the flask When it is open backwards, The casting sand is to be filled in the flask, and after the quantity is filled, the opening and closing plate 370 to operate in the reverse direction to prevent the casting sand falls, and the opening and closing plate 370 is connected to the loader and fixed to open and close in the forward and backward directions
  • the front and rear air cylinders 371 and 372, and the front and rear air cylinders 371 and 372 by using the opening and closing plate 370 when the operation is made of a plurality of
  • the sand molder 400 includes a base frame 410 having a flat plate-like structure, a plurality of supporters 411 fixed to and mounted in a three-dimensional structure on an upper end of the base frame 410, and the supporter 411.
  • An upper frame 412 fixed to an upper side, a hydraulic cylinder 421 mounted on the upper frame 412 to elevate the subframe 420, a loader and a floating joint 422 of the hydraulic cylinder 421;
  • the subframe 420 is guided so that the molding sand is convexly filled 1 to 2 cm from the upper surface of the flask to the convex upward direction, and when the hydraulic cylinder 421 is operated, the subframe 420 is lifted without twisting.
  • the power base 423, the roller chain 431 and the gear motor 432 for operating the roller chain 431 is structurally mounted on the conveyor frame 430 and the conveyor frame 430 is installed to be rotatable Roller Chain 431 is connected to the gear motor 432 to operate, the drive motor 433 is fixed and connected to the gear motor 432 and the tension shaft 434 equipped with a tension control function for the operation of the gear motor 432 Rotated by a roller chain 431 for transferring the upper and lower flasks 1 and 2 to a later process, and installed at an upper side of the conveyor frame 430 so that the flask cannot be transferred to a later process.
  • the power base 437 and the mold support 441 to allow the stable lifting during operation of the hydraulic cylinder (436) and the support frame for the mold 4 is sequentially seated and fixed to the upper side of the mold pedestal at the same time 440 and over It is mounted on the upper frame 412, the hydraulic cylinder 451 for elevating the pressure plate 450 for a certain period, and the pressure plate (110) when the hydraulic cylinder 451 when operating the pressure plate 450 to be stably lifted without twisting ( 450) and one or more guide bars 452 fixed to the flange joint, and when the pressing plate 450 descends while pressing the casting sand in the flask downward direction, the casting sand is introduced to a small portion of the mold to form a solid sand mold.
  • the upper and lower flask overlapping portion 600 is installed on the base frame 610 and the base frame 110 is installed in a three-dimensional structure, so that the shuttle block 620 is a reciprocating movement for a certain section.
  • At least one guide bar 663 to which the clamp 662 is inserted is inserted into the shaft, and the guide bar 663 is inserted into the shaft by connecting the shaft to the guide bar 663.
  • clamp 662 It comprises a knuckle joint 664 which is fixed and a link 665 which is fixed to the lower side of the support frame 660 and connects a pair of clamps 662 at the same time, roller chain 623
  • the lower flask (2) seated on the) is seated on the upper side of the transfer conveyor, characterized in that the upper flask (1) on the top of the lower flask to be transported in an overlapping state.
  • roller chain 123 is installed in the flask supply unit 100, the primary flask rotating unit 200, the molding sand supplying unit 300, the sand molding unit 400, the secondary flask rotating unit 500, the flask overlapping part 600 , 230, 431, 530, 623 is to transfer the flask to the post-process, it is characterized in that the configuration is configured to be driven independently and at the same time installed separately from each other.
  • one or more Shoba 112 is provided on the upper surface of the base frame 110 to mitigate the impact when the shuttle block 120 reaches the end point.
  • the turbine-type impeller 330 is connected to the chain 352, the driven shaft 332 to which the driven sprocket 331 for rotating the turbine-type impeller 330 is inserted and fixed, and the driven shaft 332 It consists of one or more blades 333 fixed to the outer circumferential surface, the blade 333 is a long long blade 334 and a long length so that the foundry can be firmly filled to the fine part of the complex and detailed mold
  • the short blade 335 is characterized in that it is installed in a zigzag structure.
  • a screw bolt 311 is installed between the base frame 310 and the support frame 360 to allow horizontal and height adjustment between the base frame 310 and the support frame 360.
  • the casting sand selection supply unit 390 is installed on the upper side of the hopper 320, the casting sand selection supply unit 390 is cast sand evenly transferred to the left and right hopper 320 through the conveyor belt (391)
  • An air cylinder 395 and the loader and the fixed shaft 393 of the air cylinder 395 and comprises a connection link 396 for performing a joint function.
  • a buffer means 470 is installed between the mold support 441 and the support frame 440 to prevent damage to the mold due to vibration, and the shock absorbing means 470 includes a rubber packing, a coil spring, and a leaf spring. It is characterized in that any one selected.
  • the bottom surface of the mold support 441 is characterized in that the fine vibrator 480 is installed to be separated while preventing the damage of the sand mold when the mold and the flask is separated.
  • the continuous automated manufacturing system of the sand mold of the present invention having the above characteristics can not only mass-produce a product that requires particularly precision among sand molds, but also can repeatedly mass-produce high-quality sand molds, and of course, the production cycle time. It can greatly reduce and reduce the material and human cost of maintenance by providing feedback and repair only in case of malfunction during each process, and by installing the whole system on the ground, the operator's work efficiency In addition, it has the effect of increasing the cost and benefiting the maintenance and repair of the equipment.
  • FIG. 1 is a front view of a system showing a preferred embodiment of the present invention
  • Figure 2 is a side view of a system showing a preferred embodiment of the present invention
  • Figure 3 is a plan view of a system showing a preferred embodiment of the present invention
  • FIG. 4 is a front view showing the flask supply and the flask overlap in the system of the present invention.
  • FIG. 5 is a side view of FIG. 4
  • FIG. 6 is a plan view of FIG.
  • FIG. 7 is a front view showing the base frame of the flask supply portion and the flask overlap portion of the system of the present invention.
  • FIG. 8 is a side view of FIG. 7
  • FIG. 9 is a front view showing a shuttle block of the flask supply portion and the flask overlapping portion of the system of the present invention.
  • FIG. 10 is a side view of FIG. 9
  • FIG. 11 is a top view of FIG. 9
  • FIG. 12 is a front view showing the support frame of the flask supply portion and the flask overlap portion of the system of the present invention.
  • FIG. 13 is a plan view of FIG. 12.
  • FIG. 14 is a front view showing the first and second flask rotating part of the system of the present invention.
  • FIG. 15 is a side view of FIG. 14
  • FIG. 16 is a top view of FIG. 14.
  • FIG. 17 is an enlarged view illustrating main parts of FIG. 14;
  • 18 is a front view showing a foundry sand supply unit of the system of the present invention.
  • FIG. 19 is a side view of FIG. 18
  • FIG. 20 is a top view of FIG. 18
  • 21 is an operating state diagram showing a state in which the molding sand temporary storage tank of the foundry sand supply portion of the system of the present invention is advanced to the top of the flask
  • 22 is a front view showing the hopper of the foundry sand supply portion of the system of the present invention.
  • FIG. 23 is a side view of FIG. 22
  • FIG. 24 is a front view showing the foundry sand temporary storage tank of the foundry sand supplying part system of the present invention.
  • FIG. 25 is a side view of FIG. 24
  • FIG. 26 is a top view of FIG. 24.
  • FIG. 27 is a front view showing a support frame of the molding sand supply unit of the system of the present invention.
  • FIG. 28 is a top view of FIG. 27.
  • FIG. 29 is a side view of FIG. 27
  • FIG. 30 is a front view showing a foundry sand selection supply unit of the foundry sand supply unit of the system of the present invention.
  • FIG. 31 is a side view of FIG. 30
  • FIG. 32 is a top view of FIG. 30
  • 33 is a plan view showing a turbine-type impeller of the molding sand supply portion of the system of the present invention.
  • 34 is a front view showing a sand molder in the system of the present invention.
  • FIG. 35 is a side view of FIG. 34
  • FIG. 36 is a top view of FIG. 34.
  • FIG. 37 is a front view showing a base frame of a sand molder in the system of the present invention.
  • FIG. 38 is a top view of FIG. 37.
  • 39 is a front view showing a subframe of a sand molder in the system of the present invention.
  • FIG. 40 is a top view of FIG. 39.
  • 41 is a front view showing the conveyor frame of the sand molder of the system of the present invention.
  • FIG. 42 is a side view of FIG. 41
  • FIG. 43 is a top view of FIG. 41.
  • Fig. 44 is a front view showing the rotary vibrator portion of the sand molder in the system of the present invention.
  • FIG. 45 is a side view of FIG. 44
  • 46 is a front view showing the pressing plate portion of the sand mold in the system of the present invention.
  • the continuous automatic manufacturing system (S) of the sand mold provided by the present invention is a clamping of the upper and lower flasks (1, 2) consisting of one set of upper and lower large as shown in Figures 1 to 3
  • the flask supply unit 100 to be supplied to the flask rotating unit 200, and the lower flask (2) of the flask moved from the flask supply unit 100 is rotated by 180 ° a year and accumulated in the lower flask (2)
  • the primary flask rotating part 200 to remove various foreign matter and extra casting sand to be transferred to the sand molder 400, and to supply the molding sand to the inside of the upper and lower flasks transferred to the sand molder 400, turbine type impeller
  • the left and right pairs of foundry sand supply unit 300 to uniformly fill the corners of the upper and lower flasks by the 330, and the foundry sands by the foundry sand supply unit 300 into the upper and lower flasks.
  • the forward vibrator 460 to transmit the vibration to the inside of the upper and lower flasks at the same time press the filled casting sand from the upper side to the lower side to form a strong, firmly formed sand to the fine portion after the flask second flask rotating part 500
  • the lower flask is rotated by 180 ° to allow overlapping in the direction facing each other In the upper and lower flask overlap portion 600
  • the second flask rotating portion 500 and the lower flask among the flask transferred from the second flask rotating portion 500 is located at the top and the upper flask on the top
  • Microcomputer that can control the upper and lower flask overlapping portion 600 and the various devices by the program to be superimposed to transfer to the discharge conveyor
  • the senor 800 is shown only in FIG. 26, a sensor for each process is essentially provided for controlling the controller 700.
  • the sensor 800 may be modified by selecting and modifying a program through a microcomputer mounted in the controller. It is possible to manufacture a precise mold of the die, and is installed so that the operator can control at any time.
  • the system (S) of the present invention as shown in Figures 1 to 3 is installed on the ground, so that the maintenance of equipment, as well as the operator's work efficiency can be improved. That is, the conventional devices have been limited to be buried underground, the worker's behavior radius is extremely limited, the efficient work is difficult due to this, further improved the risk of safety accidents in the present invention.
  • the flask supply unit 100 is provided with a base frame 110 is installed in a three-dimensional structure as shown in Figures 4 to 13.
  • a pair of rails 111 are installed at the upper end of the base frame 110 to guide the shuttle block 120 to reciprocate a predetermined section, and the shuttle block 120 is provided on the rails.
  • one or more rollers 121 are mounted on both sides so as to allow a smooth movement, the roller chain (on one side)
  • the chain joint 122 is mounted and fixed to allow the fastening and fixing with the 123, and the roller chain 123 is fixedly connected to the chain joint 122, while the hydraulic cylinder 140 and the power base 150 are integrated. It is configured to be mounted so that the whole can be moved at the same time.
  • a gear motor 130 connected to the roller chain 123 is installed to allow the shuttle block 120 to reciprocate in a predetermined section, and is mounted and fixed to the shuttle block 120 as shown in FIG.
  • a power base 150 is installed to stably lift the support frame 160.
  • the support frame 160 connected to the loader and the floating joint 141 of the hydraulic cylinder 140 enables stable reciprocation of the clamp 162 when the air cylinder 161 is operated.
  • One or more guide bars 163 into which the clamp 162 is axially inserted are mounted.
  • the guide bar 163 has a pair of left and right clamps 162 connected to the shaft, and is installed to clamp the upper and lower flasks while reciprocating for a predetermined period according to the operation of the air cylinder 161 in the inserted state. do.
  • the clamp 162 is operated in a direction facing the air cylinder 161 is installed in the center for this purpose, knuckle joint 164 connected to the lamp 162 and fixed to both ends of the air cylinder 161 The link 165 connecting the left and right pairs of clamps 162 is fixed.
  • the flask supply unit 100 configured as described above has a shuttle block 120 to the position where the roller chain 123 is clamped by sequentially clamping the upper and lower flasks loaded around the conveyor or the flask supply unit 100.
  • the motion of seating the flask by moving is to be repeated infinitely according to the command of the control unit.
  • At least one show bar 112 is provided on the upper surface of the base frame 110 to mitigate the impact.
  • the primary flask rotating part 200 and the secondary flask rotating part 500 are provided with base frames 210 and 510 installed in a three-dimensional structure as shown in FIGS. 14 to 17.
  • Gear motors (220, 520) for operating the roller chain (230, 530) is installed on the upper one side of the base frame (210, 510), the drive shaft (221, 521) connected to the gear motors (220, 520) and the tension shaft with a tension control function
  • the roller chains 230 and 530 which rotate by the operation of the gear motors 220 and 520 and transfer the upper and lower flasks 1 and 2 to the post process are connected to 222 and 522.
  • the upper one side of the base frame (210,510) is provided with stopper cylinders (240,540) for guiding the roller chain (230,530) is stopped while stopping the transfer of the flask when the flask can not be transferred to a later process.
  • Power bases 252 and 552 are installed in the inner direction of the base frames 210 and 510 so as to be mounted and fixed on the upper sides of the support frames 250 and 550 so as to allow stable lifting during operation of the hydraulic cylinders 251 and 551.
  • the base brackets 253 and 553 are provided to elevate and operate the hydraulic cylinders 251 and 551 and the power bases 252 and 552. Hydraulic cylinders 251 and 551 are installed.
  • the base bracket (253, 553) and the ball bearing (254,554) and the ball bearing (254,554) consisting of a plurality of pairs of left and right shafts to rotate freely in a state that the protrusion (3) of the flask is seated and the ball bearing (254,554) Clamps (255, 555) for clamping the flask (3) of the flask and the shaft (256, 556) of the clamp (255, 555) is fixed to the seated flask to rotate the shaft while rotating the flask while lifting the rack
  • the spur gears 257 and 557 and the retract gears 258 and 558 being meshed with the spur gears, and fixed to the ends of the rex gears 258 and 558, are hydraulic cylinders for raising and lowering the rex gears 258 and 558 in a predetermined section. (259, 559), and the LM guides (260, 560) for guiding the stable lifting without distortion during the lifting and lowering of the rack (258, 558) are installed to be organic
  • the first and second flask rotating parts (200, 500) Prior to examining the operation of the first and second flask rotating parts (200, 500) having the characteristics as described above, the first and second flask rotating parts (200, 500) once, upper and lower flasks to inject the molding sand into the lower flask It is carried out a total of two times just before overlapping, and since the casting sand is supplied from the upper side of the flask, the lower flask needs to be rotated, but this changes the program of which part of the flask is to be rotated according to the mold type. You can fix it.
  • the direction of pressurization is designed to pressurize from the upper side to the lower side, rotation of the lower flask is required.
  • the casting sand was fed from the upper side of the mold, whereas the pressurization direction was from the lower side to the upper side. Since it was designed to proceed with the precise mold, it was possible to solve the problem after repeated experiments in which the molding sand is not supplied to the minute part or the strength is weak.
  • the lower flask is seated after being transferred to the roller chains 230 and 530, and the hydraulic cylinders 251 and 531 are raised and lowered. It will be a position where the roller chain 230,530 does not interfere in the radius of rotation, and after the complete lifting, the hydraulic cylinder (259,559) connected to the rake gear (258,558) is operated to raise and lower the rake gear (258,558) As the gears 258 and 558 and the spur gears 257 and 557 rotate, the lower flask seated on the ball bearings 254 and 554 rotates 180 °.
  • the foundry sand supply unit 300 the base frame 310 is installed in a three-dimensional structure as shown in Figures 18 to 33 is installed, the upper one side of the base frame 310 at the same time, the upper and lower flask In order to supply the foundry sand, a plurality of hoppers 320 in which the foundry sand is temporarily stored are installed.
  • the foundry sand temporary storage container 340 is disposed on the bottom of the hopper 320 bar the foundry sand temporary storage container 340 is a flask while the casting sand filled in the hopper 320 is provided with a space for the temporary storage of the sand sand is stored inside the flask It is made up of a structure that is open up and down so that it can be sent down, and the turbine-type impeller 330 is installed to be rotatable evenly filled in the flask, while the shuttle frame to allow the reciprocating movement before and after It is fixed integrally with 350.
  • the turbine-type impeller 330 is rotatably installed in the foundry sand temporary storage container 340.
  • the turbine-type impeller 330 is small in size and requires every corner of a mold.
  • a plurality of before and after is installed so that the foundry sand can be supplied, and one or more gear motors 351 and chains 352 are respectively connected and driven.
  • gear motors 351 are installed for the upper and lower flasks, and four driven shafts 332 of the turbine-type impeller are installed at the same time. Each of the gear motors 351 is configured to operate the turbine-type impeller. .
  • the gear motor 351 and one or more casters 353 for driving) are mounted left and right.
  • the upper rail 361 and the lower rail 362 for moving the cast 353 are installed on the upper side of the support frame 360 to allow the shuttle frame 350 to reciprocate and the hydraulic cylinder 363 is provided in the center. Is installed.
  • the hydraulic cylinder 363 for reciprocating the shuttle frame 350 before and after a predetermined period is installed and fixed, and the opening and closing plate 370 is installed on the bottom of the casting sand temporary storage container 340 Bar
  • the opening and closing plate 370 is opened to the front and rear when the casting sand temporary storage container 340 is positioned on the upper portion of the flask to fill the casting sand into the flask, and after the quantity is filled, the casting sand falls to operate in the reverse direction. It is a function to prevent it.
  • the front and rear air cylinders 371 and 372 and the front and rear air cylinders 371 and 372 for opening and closing the opening and closing plate 370 and the loader are fixed to be opened and closed in the forward and backward directions to operate the opening and closing plate 370.
  • At least one roller 373 and fixed to the side of the casting sand temporary storage container 340 is formed of a plurality of upper and lower structures so that the opening and closing plate 370 can be a flexible operation when operating, and the roller 373
  • a plurality of left and right moving rails 374, which are disposed between and slide in between, are configured.
  • a screw bolt 311 is installed between the base frame 310 and the support frame 360 to allow horizontal and height adjustment between the base frame 310 and the support frame 360.
  • the turbine-type impeller 330 is connected to the chain 352 as shown in FIG. 33 is driven shaft 332 to which the driven sprocket 331 for rotating the turbine-type impeller 330 is inserted into the shaft and the blood It consists of one or more blades 333 fixed to the outer circumferential surface of the coaxial 332, the blade 333 is a long blade 334 long length so that the molding sand can be firmly filled to the fine part of the complex and detailed mold And a short blade 335 having a short length is provided in a zigzag structure.
  • the foundry sand selection supply unit 390 is installed above the hopper 320, and the foundry sand selection supply unit 390 is configured to supply molding sand evenly to the left and right hoppers 320 transferred through the conveyor belt 391.
  • the molding sand selection panel 392 is rotated by a predetermined angle axis to change the supply direction of the molding sand, the lower end of the air cylinder is fixed by the shaft pin (394) to enable the rotation of a certain angle axis 395 and a connection link 396 connecting the loader and the fixed shaft 393 of the air cylinder 395 to perform a joint function.
  • the left and right are designed to operate independently of each other, when there is no foundry sand inside the hopper, the foundry sand selection panel 392 rotates to the left, right 90 ° And optionally filling the foundry sand inside the hopper.
  • the hydraulic cylinder 363 is operated to the shuttle frame 350 and integrally Advance the installed casting sand temporary storage container 340 on the upper and lower flasks (1, 2), and when the molding sand temporary storage container 340 is positioned in the upper, lower flask (1, 2), the air to operate the opening and closing plate
  • the cylinders 371 and 372 operate to open and close the opening and closing plate 370 in the front and rear directions to fill the casting sand into the upper and lower flasks 1 and 2.
  • the turbine type impeller operates to fill the casting sand evenly in every corner.
  • the sand molder 400 is provided with a base frame 410 made of a flat structure as shown in Figures 34 to 46, and a plurality of supporters 411 is fixed to be mounted so as to have a three-dimensional structure at the top
  • the upper frame 412 is fixed to the upper side of the supporter 411.
  • the upper frame 412 is equipped with a hydraulic cylinder 421 for elevating the subframe 420, the subframe 420 for guiding the molding sand is convexly filled 1 to 2 cm in the upper direction from the top surface of the flask is Connected and fixed to the loader and the floating joint 422 of the hydraulic cylinder 421, connected to the power base 423 subframe 420 for guiding the lifting and lowering of the subframe 420 when the hydraulic cylinder 421 is operated. It is fixed.
  • Conveyor frame 430 is installed on the lower side of the sub-frame 420, the conveyor frame 430 and the gear motor 432 for operating the roller chain 431 as shown in Figure 41 to 43,
  • the drive shaft 433 is connected to the gear motor 432 and is configured to be connected to the tension shaft 434 equipped with a tension control function is rotated by the operation of the gear motor 432, upper, lower flask (1, 2 Roller chain 431 for transferring the post-process to the post-process, and a stopper cylinder 435 for guiding the roller chain 431 to stop while blocking the transfer of the flask when the flask cannot be transferred to the post-process. do.
  • the conveyor frame 430 is operated by the hydraulic cylinder 436 installed on the upper end of the base frame 410 for a predetermined period, and the power base 437 is installed to enable the stable lifting during operation of the hydraulic cylinder 436. do.
  • the mold support 441 is fixed to the upper end of the support frame 440 fixed to the upper side of the base frame 410 and the mold 4 is sequentially seated on the upper side of the mold support.
  • the hydraulic cylinder 451 for raising and lowering the pressure plate 450 by a predetermined period, and the pressure plate 450 so that the pressure plate 450 is stably lifted without distortion when the hydraulic cylinder 451 is operated.
  • 450 and one or more guide bars 452 are fixed to the flange joint to pressurize the inside of the flask filled with foundry sand.
  • the eccentric vibrator 451 rotates while transmitting the vibration to the inside of the flask so that the casting sand is injected to a small portion of the mold to form a solid sand mold.
  • At least one rotary vibrator 460 is installed to vibrate while hitting the mold support 441.
  • the rotary vibrator 460 is mounted on the mold support 441 without being directly connected to the mold, it is possible to prevent the mold from being damaged during the vibration process.
  • the shaft 463 and the belt 462 are shown. It is configured to include a drive motor 464 is configured to operate the rotary vibrator.
  • the molding sand is filled into the upper and lower flasks, and when the filling is completed, the pressure plate 450 descends and presses the molding sand. This is to be formed.
  • the bottom surface of the mold support 441 is provided with a micro vibrator 480 to be separated while preventing the damage to the sand mold when the mold and the flask is separated.
  • the micro vibrator 480 is a mold having a deep or small shape of the mold can be damaged because the mold is transmitted to the mold because the fine vibration is transmitted to the mold.
  • the upper and lower flask overlapping portion 600 may be said to be structurally the same as the flask supply portion 100, as shown in Figure 5 to 13,
  • a pair of rails 611 for guiding the shuttle block 620 to reciprocate a predetermined section is installed at an upper end of the base frame 110 which is installed in a three-dimensional structure, and a shuttle block (above the upper part of the rail 611).
  • Bar 620 is installed, on both sides of the shuttle block 620 in the state seated on the upper end of the rail 611 in accordance with the operation of the gear motor 630 for a certain period of reciprocating movement, one or more to be smooth movement
  • the roller 621 is mounted, and the chain joint 622 is mounted and fixed at one side thereof so that the fastening and fixing of the roller chain 623 is possible, and the roller chain 623 is connected and fixed to the chain joint 622.
  • the hydraulic cylinder 640 and the power base 650 are integrally mounted.
  • the shuttle block 620 is reciprocated by a predetermined section by the gear motor 630 connected to the roller chain 623, the hydraulic cylinder for elevating the support frame 660 on one side of the shuttle block (620) ( 640 is fixed.
  • the power base 650 is fixedly connected to the support frame 660 to prevent the left and right twisting during operation of the hydraulic cylinder 640 so that the support frame 660 is stably raised.
  • clamp 662 At least one guide bar (663) is inserted into the shaft is configured.
  • the guide bar 663 has a pair of left and right clamps 662 inserted into the shaft, and is installed to clamp the upper and lower flasks while reciprocating for a predetermined period according to the operation of the air cylinder 661 in the inserted state. do.
  • the clamp 662 is operated in a direction facing the air cylinder 661 is installed in the center for this purpose, knuckle joint 664 that is connected to the lamp 662 at both ends of the air cylinder 661 is connected and fixed Link 165 for connecting the left and right pair of clamps 662 is fixed.
  • the flask overlap chip portion 600 having the above characteristics is seated on the upper side of the transfer conveyor seated on the lower flask 2 seated on the roller chain 623 and then transported in a state where the upper flask 1 overlaps the top of the lower flask. To make it possible.
  • roller chain 123 is installed in the flask supply unit 100, the primary flask rotating unit 200, the molding sand supplying unit 300, the sand molding unit 400, the secondary flask rotating unit 500, the flask overlapping part 600 , 230, 431, 530, 623 are transferred to the flask in a post-process, but are separated from each other and installed independently.
  • the roller chain 230 of the primary flask rotating unit 200 may be driven or stopped according to a program so as not to interfere with each other. will be.
  • a buffer means 470 is installed between the mold support 441 and the support frame 440 to prevent damage to the mold due to vibration, and the shock absorbing means 470 includes a rubber packing, a coil spring, and a leaf spring. It may be composed of any one selected.
  • the fixing device for injecting the hot water inlet is fixed integrally to the mold, the hot water is formed in the manufacturing process of the sand mold, so there is no need for a separate process.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Devices For Molds (AREA)

Abstract

La présente invention concerne un système de fabrication automatisée continue pour un moule en sable, permettant une production automatisée continue plus rapide et plus simple lorsqu'un moule en sable entre autres moules formé par compactage étroit d'un sable de moulage est fabriqué, permettant ainsi de pouvoir contribuer grandement à l'amélioration de la productivité et de la qualité du moule en sable, raccourcissant considérablement la durée d'un cycle de production du produit et permettant en même temps d'améliorer les mauvaises conditions de travail d'un opérateur, provoquées par la poussière diffusée, comprenant : une partie (100) de fourniture de châssis permettant de fixer les châssis supérieur et inférieur (1, 2), qui sont formés sur un ensemble, par la pièce, et de fournir ensuite ceux-ci à une partie (200) de rotation de châssis ; une partie primaire (200) de rotation de châssis permettant de faire tourner axialement, à 180 °, uniquement le châssis inférieur (2) parmi les châssis déplacés en provenance de la partie (100) de fourniture de châssis de sorte à retirer diverses substances étrangères et du sable de moulage résiduel accumulé dans le châssis inférieur (2) et à transférer ceux-ci vers une partie (400) de mise en forme de moule en sable ; une paire de parties (300) gauche et droite de fourniture de sable de moulage permettant de fournir du sable de moulage dans les châssis supérieur et inférieur transférés vers la partie (400) de mise en forme de moule en sable, et de remplir de manière égale chaque partie des châssis supérieur et inférieur avec le sable de moulage au moyen d'un impulseur de type turbine (330) ; lorsque le sable de moulage est introduit dans les châssis supérieur et inférieur au moyen des parties (300) de fourniture de sable de moulage, la paire de parties (400) gauche et droite de mise en forme de moule en sable permettant de transmettre des vibrations aux parties intérieures des châssis supérieur et inférieur par l'intermédiaire d'un vibrateur rotatif (460), comprimant simultanément le sable de moulage introduit de la partie supérieure de celui-ci vers la partie inférieure de celui-ci de sorte à former le moule en sable de manière ferme et solide, même par rapport aux petites pièces, et transférant ensuite les châssis vers une partie secondaire (500) de rotation de châssis ; la partie secondaire (500) de rotation de châssis permettant de transférer les châssis vers une partie (600) d'empilement de châssis supérieur et inférieur dans un état dans lequel le châssis inférieur est mis en rotation de manière axiale à 180 ° de sorte que les châssis supérieur et inférieur transférés en provenance des parties (400) de mise en forme de moule en sable peuvent être empilés dans les directions dans lesquelles les châssis se font face ; la partie (600) d'empilement de châssis supérieur et inférieur permettant de positionner, au dessus, le châssis inférieur parmi les châssis transférés en provenance de la partie secondaire (500) de rotation de châssis, d'empiler le châssis supérieur sur l'extrémité supérieure de celui-ci de sorte à permettre à celui-ci d'être en position, et de transférer celui-ci vers un convoyeur d'évacuation ; et une partie de commande (700) comprenant un micro-ordinateur, intégré en son sein, permettant à divers dispositifs d'être commandés par un programme, et recevant des informations par l'intermédiaire d'un capteur (800) et commandant, en fonction des informations, l'ensemble des opérations de la partie (100) de fourniture de châssis, de la partie primaire (200) de rotation de châssis, des parties (300) de fourniture de sable de moulage, des parties (400) de mise en forme de moule en sable, de la partie secondaire (500) de rotation de châssis, et de la partie (600) d'accouplement de châssis supérieur et inférieur.
PCT/KR2018/002965 2017-04-11 2018-03-14 Système de fabrication automatisée continue pour moule en sable WO2018190524A1 (fr)

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CN112743046A (zh) * 2020-12-21 2021-05-04 昌坚华新机器人部件南通有限公司 一种自动下芯机器人及自动下芯方法
CN114054687A (zh) * 2021-11-15 2022-02-18 重庆市极鼎金属铸造有限责任公司 一种带辅助功能的铸件模具装置
CN116692386A (zh) * 2023-08-08 2023-09-05 河南钱潮智造有限公司 一种铸造回炉料输送系统

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CN114082924A (zh) * 2021-11-24 2022-02-25 王林 一种钢件成型杂质分离自动脱模装置
CN114769512B (zh) * 2022-04-21 2024-03-12 重庆康辉机械制造有限公司 铸造砂芯的装夹装置
KR102658208B1 (ko) 2023-11-08 2024-04-19 주식회사 디와이메탈 자동차용 금형을 이용한 자동화 주조공법
KR102615069B1 (ko) 2023-11-08 2023-12-20 주식회사 디와이메탈 선박용 금형을 이용한 자동화 주조공법

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CN112743046A (zh) * 2020-12-21 2021-05-04 昌坚华新机器人部件南通有限公司 一种自动下芯机器人及自动下芯方法
CN114054687A (zh) * 2021-11-15 2022-02-18 重庆市极鼎金属铸造有限责任公司 一种带辅助功能的铸件模具装置
CN114054687B (zh) * 2021-11-15 2023-08-08 重庆市极鼎机械制造股份有限公司 一种带辅助功能的铸件模具装置
CN116692386A (zh) * 2023-08-08 2023-09-05 河南钱潮智造有限公司 一种铸造回炉料输送系统

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