CN210817316U

CN210817316U - Continuous automatic production device for casting sand mold

Info

Publication number: CN210817316U
Application number: CN201920658655.6U
Authority: CN
Inventors: 吕花明; 李松梅
Original assignee: Qingdao University of Science and Technology
Current assignee: Qingdao University of Science and Technology
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2020-06-23
Anticipated expiration: 2029-05-09

Abstract

The utility model relates to a continuous automatic production device of casting sand mould, include: the device comprises a conveying device, a feeding device, a sand mold forming device, a movable sliding table and a transferring device; six corners at the bottom of the conveying device platform are provided with anti-skid suckers; the feeding device is arranged on the left side of the conveying device and used for placing sandy soil into a sand box I, a sand box II and a sand box III of the workbench; the sand mold forming device is arranged on the upper side of the conveying device and used for pressing loose sand into a sand mold I, a sand mold II and a sand mold III; the transfer device is arranged on the left side of the sand mold forming device and used for transferring the sand box I, the sand box II, the sand box III, the solid sand mold II and the solid sand mold III to the conveying device; the utility model discloses a continuous automatic production device of casting sand mould simple structure installs and removes the convenience, and process time is short, realizes that the three-layer casting mould accomplishes the disposable casting of asymmetric casing when the casting part is different and the molding is asymmetric.

Description

Continuous automatic production device for casting sand mold

Technical Field

The invention relates to a device for automatic pressure forming of a box type multilayer casting sand mould and automatic superposition of box bodies, in particular to a continuous automatic production device of a casting sand mould.

Background

Casting is carried out or semi-automatization processing is accomplished by the manual work mainly in the existing market, this kind of working method is consuming time and consuming effort, inefficiency, in order to use manpower sparingly, improve machining efficiency, the disposable casting of multistage formula part is realized to effective feasible, consequently, it is especially important to develop a continuous automatic production device of casting sand mould, this production line realizes the segmentation casting of multistage sand mould and makes up each section sand mould into an organic whole, it is high to have machining efficiency, use manpower sparingly, can realize the disposable casting's of multistage part characteristics.

Disclosure of Invention

The invention relates to a casting sand mold production line with high efficiency and fast production, which is formed in one step and saves time and labor.

In order to achieve the purpose, the technical scheme adopted by the invention is as follows:

a continuous automatic production device of casting sand molds comprises: the device comprises a conveying device, a feeding device, a sand mold forming device and a transferring device; the conveying device is installed on the ground of a factory through an anti-skid sucker, the feeding device is installed on the left side of the conveying device, sand storage boxes of spiral feeders in the feeding device convey sand into sand boxes through conveying belts, the sand mold forming device respectively moves the solid shell parts I, the solid shell parts II and the solid shell parts III to the upper sides of the sand boxes I, II and III on a workbench through a rotating device, sand is pressed into the solid shell sand molds I, II and III through a quick feeding mechanism through a quick pressurizing device, the sand molds are conveyed to the lower side of the conveying device through the conveying device, and the conveying device moves the conveying device I and the conveying device II to the upper sides of the sand boxes through the movable rod I, the movable rod II and the movable rod III to sequentially stack and complete clamping of the three-box sand mold casting molds.

Further, the transfer device includes: the method comprises the following steps of roller transportation, a sand box I, a sand box II, a sand box III, a shell sand mould I, a shell sand mould II, a shell sand mould III, a workbench I, a workbench II, a workbench III, an inner solid sand mould I, an inner solid sand mould II, an inner solid sand mould III and a molding sand mould; the roller is fixed on the ground through an anti-skid sucker during transportation, and the sand box I, the sand box II and the sand box III are placed on the conveying plate; further, the drum transportation includes: the device comprises a bottom support, an anti-skid sucker, a rolling shaft support, a rolling shaft, a conveying plate, a motor I and a motor base I; the front surface of the bottom bracket adopts a reversed-square structure and is supported by three vertical brackets, and the three brackets are connected in a cross-shaped manner, so that the stability of the brackets is improved; the anti-slip sucker is a conical sucker and is firmly adsorbed on the ground, the scratch of the base to the ground is reduced, the anti-slip sucker is arranged on the bottom support through insertion, the adsorption force between the bottom support and the ground is increased, and sliding friction is prevented; the motor I is fixedly arranged on the motor base I through bolts, and four support frames of the motor base I are connected through a transverse support, so that the bearing capacity of the bottom support to the motor I is improved; the rolling shafts are arranged in the rolling shaft support at equal intervals, the motor I drives the rolling shafts connected with the shaft coupler, each rolling shaft is provided with two grooves, circular conveyor belts are arranged in the grooves, each two rolling shafts are connected through the circular conveyor belts in the grooves, the power of the motor I drives the adjacent rolling shafts through the rolling shafts connected with the shaft coupler through belt transmission in the grooves, so that all the rolling shafts are driven to rotate, the conveying plate is horizontally arranged on the rolling shafts, and the conveying plate is driven to horizontally move by the rolling shafts; the sand box I, the sand box II and the sand box III are all composed of a box body and box body handles, the box body handles are positioned on two sides of the box body, holes with the same size are formed in the box body handles, the transportation and the up-and-down positioning are convenient, the height of the box bodies of the sand box I, the sand box II and the sand box III is different, sand molds with different heights are convenient to bear, and the strength of the box body and the bearing capacity of the box body during the overlapping process are improved by thickening the upper side and the lower side of; the shell sand mold I, the shell sand mold II and the shell sand mold III are respectively embedded in the box bodies of the sand box I, the sand box II and the sand box III, the shell sand mold I, the shell sand mold II and the shell sand mold III are level with the sand box I, the sand box II and the sand box III up and down, so that the sand molds can be conveniently assembled, the shell sand mold I and the shell sand mold II are communicated up and down, and the bottom of the shell sand mold III is provided with two pouring ports for convenient pouring; the workbench I, the workbench II and the workbench III are fixedly arranged on the conveying plate through bolts, and two sides of the workbench I, the workbench II and the workbench III are flush with two sides of the conveying plate; a cross-shaped protruding structure is arranged at the center of the workbench I, a cylindrical cross-shaped protruding structure is arranged at the center of the workbench II, and a large cylindrical cross-shaped protruding structure is also arranged at the center of the workbench III, so that the workbench I and the workbench III can be conveniently matched and fixed; the inner solid sand mold I is inverted on the workbench I, the top of the inner solid sand mold I is provided with a cross-shaped sunken structure which is convenient to be matched with the workbench I, and the bottom of the inner solid sand mold I is provided with a small cross-shaped protruding structure which is convenient to be matched with the sunken structure at the top of the inner solid sand mold II; the inner solid sand mold II is inverted on the workbench II, the upper surface of the inner solid sand mold II is provided with a small cross-shaped sunken structure, so that the inner solid sand mold II is conveniently and stably arranged on the workbench II and is also conveniently matched with the bottom of the inner solid sand mold I, and meanwhile, the lower surface of the inner solid sand mold II is provided with a cross-shaped protruding structure; the inner solid sand mold III is semi-ellipsoidal, and the surface of the sand mold is provided with a large cylindrical cross recessed structure, so that the inner solid sand mold III is conveniently arranged on the workbench III and is conveniently matched with the bottom of the inner solid sand mold II.

Further, the feeding device comprises: the device comprises a spiral feeder, a conveying belt wheel, a supporting frame, a motor II and a motor base II; the tail end of a discharge port of the spiral feeder is positioned above the conveying belt, and sandy soil poured out from the discharge port of the spiral feeder falls onto the conveying belt through collection of the sand collecting box; the supporting frame is composed of two vertical supporting frames, each vertical supporting frame is composed of a ladder-shaped structure, the top of the right supporting frame protrudes forwards, so that the space occupied by the bottom is reduced conveniently, the left side and the right side of each supporting frame are connected through a horizontal connecting plate to increase the rigidity, and the two vertical supporting frames are connected through the connecting plate to increase the structural stability of the supporting frame; symmetrical through holes are formed in the top of the support frame, the conveying belt wheels are installed in the through holes in the top of the support frame, and the conveying belt is tensioned among the conveying belt wheels; the motor II is fixed on the motor base II through a bolt, the motor II drives the conveying belt wheel through a coupling, and the conveying belt wheel drives the conveying belt to transfer the sandy soil into the sand box; further, the screw feeder includes: the sand storage box support, the sand storage box, the spiral conveying device, the motor III and the sand collection box; the sand storage box is arranged on the sand storage box support, the sand storage box support is arranged on the ground and supports the sand storage box, the sand storage box is composed of a square box body structure, the volume in the box body is increased, the bottom of the sand storage box is a conical inclined plane-shaped funnel, sandy soil can be poured conveniently, a square groove is arranged at the bottom of the sand storage box funnel, through holes are formed in the two sides of the groove, the installation of the spiral conveying device is facilitated, sandy soil falling from the funnel is collected in the square groove, the shell of the spiral conveying device is a hollow round pipe, an opening is formed in the bottom of the right side of the hollow round pipe, the other section of the hollow round pipe is welded with the hollow round pipe at the opening, sandy soil is poured into the sand collection box through the opening by the lifting of the spiral conveying device, the spiral conveying device realizes the fixing of the spiral conveying device through the through, the spiral conveying device is characterized in that a spiral shaft is arranged inside the spiral conveying device, sandy soil is clamped between the outward extending spirals through rotation of the spiral shaft so as to drive the sandy soil to be lifted, and a hollow circular tube shell of the spiral conveying device is in a semicircular tube shape in a square groove so as to be convenient for the spiral shaft to be in direct contact with the sandy soil; the motor base of the motor III is welded with the hollow circular tube of the shell of the spiral conveying device, the motor III is installed on the motor base through bolts, the sand collecting box is composed of a sand box cover and a hollow box body, the sand box cover and the hollow box body are connected together through threads, the center of the sand box cover of the sand collecting box is a threaded hole and is connected with the hollow circular tube through threads, the hollow box body of the sand collecting box is a cylindrical shell which is opened up and down, the bottom of the hollow box body is a conical outlet, and a square sand collecting opening is welded at the outlet, so that sand is conveniently concentrated, and sand loss caused by scattering when the sand falls from a high place is reduced.

Further, the sand mold molding device includes: the device comprises a base, a rotating device, a movable sliding table supporting plate I, a movable sliding table screw I, a motor V, a movable sliding table supporting plate II, a movable sliding table screw II, a rapid pressurizing device, a shell solid part I, a shell solid part II and a shell solid part III; the base is formed by connecting two metal boxes, a through hole is formed in each of the side face and the upper face of the base, the base has a certain width, the supporting force and the stability of the base are guaranteed, and a space and a support are formed in the base to facilitate placement of parts.

Further, the rotating device includes: the motor IV, a transverse transmission shaft, a longitudinal transmission shaft, a cambered surface cylindrical cam and an indexing turntable; the motor IV is connected on the base through a screw, the motor IV is decelerated through a speed reducer, the shaft end of the speed reducer is connected with one end of the transverse transmission shaft through a coupler, the transverse transmission shaft is supported by two bearings, the transverse transmission shaft intermittently feeds and transmits power through an indexing cam mechanism consisting of the cambered surface cylindrical cam at the other end and the indexing turntable at the bottom of the longitudinal transmission shaft, the indexing turntable is intermittently driven by the cambered surface cylindrical cam to complete 120-degree intermittent rotation of the longitudinal transmission shaft, incomplete two parallel cambered surface convex ridge structures are processed on the surface of the cambered surface cylindrical cam, a linear section groove perpendicular to the axis is formed between the two cambered surface convex ridge structures, one section of the groove formed by the cambered surface convex ridge structure is a curved section, an opening is reserved at the joint of the linear section and the curved section, and a cylindrical roller on the upper, the next cylindrical roller enters from the curve section, the curve section of the groove formed by the cambered surface convex ridge structure drives the indexing wheel to rotate, and the straight section makes the indexing wheel static and is positioned and self-locked; the indexing turntable is provided with three cylindrical rollers, and the axes of the cylindrical rollers are along the radial direction of the turntable, so that the cambered surface cylindrical cam and the indexing turntable form rolling friction; the intermittent rotation of the indexing turntable is realized through the meshing of the clearance of the indexing turntable and the incomplete convex ridge clearance of the cambered surface cylindrical cam, and the continuous rotation of the motor IV is converted into the periodic rotation and the pause of the longitudinal transmission shaft; the longitudinal transmission shaft is vertically fixed by two bearings; the movable sliding table supporting plate I is of an I-shaped structure, the bottom plate surface is thick, the bearing capacity is high, the top plate surface is thin, an inward concave structure is machined on the upper surface of the movable sliding table supporting plate I, a plane is formed at the bottom of the concave, and a circular groove is formed in the middle of the plane; the movable sliding table supporting plate I is connected to the longitudinal transmission shaft through bolts and forms an included angle of 120 degrees respectively, the movable sliding table lead screw I is installed in a sliding groove of the movable sliding table supporting plate I through being connected with a coupler, the motor V is installed on a motor base through a bolt, the motor V is connected with the movable sliding table lead screw I through the coupler, and the power of the motor V is transmitted to the movable sliding table lead screw I; the bottom of the movable sliding table supporting plate II is transversely provided with grooves at two sides, two calipers are reserved on the upper part of each groove, the calipers are connected with the bottom surface of the upper half part of the movable sliding table supporting plate I, the movable sliding table supporting plate II is clamped on the surface of the movable sliding table supporting plate I through the calipers and the grooves, a protruding platform is reserved in the middle of the movable sliding table supporting plate I, a cylindrical groove is reserved in the center of the surface of the platform and is convenient to match with the movable sliding table supporting plate I, and the movable sliding table supporting plate II is connected with a movable sliding table lead screw II to realize; the upper surface of the movable sliding table supporting plate II is provided with a structure which is the same as that of the movable sliding table supporting plate I; and the motor IV transmits power to the longitudinal transmission shaft through the cam intermittent feeding mechanism through the speed reducer to realize the rotation of the sliding table, the rotation angle is 120 degrees every time, and the quick pressurizing device is transferred to the sand box through the movable sliding table supporting plate II.

Further, the rapid pressurizing device includes: the device comprises a movable sliding table supporting plate III, a transmission shaft, a circular rotary table, a fixing screw, a movable rod I, a movable rod II, a stamping plate, a shell solid part I, a shell solid part II and a shell solid part III; the back of the movable sliding table supporting plate III is provided with a protruded groove which is convenient to install and move up and down, the middle of the front surface of the movable sliding table supporting plate III is provided with a groove, the lower part of the movable sliding table supporting plate III is provided with a rectangular groove, the movable sliding table supporting plate II is used as a moving track, the length of the transmission shaft is just matched with that of the circular turntable, the movable sliding table I is made to move freely, the transmission shaft is connected with the circular turntable in an articulated mode to form a revolute pair, the length of the movable sliding table I is far larger than the radius of the circular turntable, meanwhile, the groove of the movable sliding table supporting plate III is long enough to ensure the existence of a crank, the fixing screw is a cylindrical head screw, the stamping plate is a square part and has certain thickness to bear load stamping, the circular turntable is hinged with the movable sliding table I through the fixing screw, the circular turntable is formed with the movable sliding table I, the moving sliding table supporting plate III and the moving rod II form a moving pair; the transmission shaft drives the circular turntable rotates, the circular turntable drives the movable rod I to move, so that the movable rod II is driven to move up and down in the sliding groove of the movable sliding table supporting plate III in a reciprocating mode, and the rapid compression molding process of the sand mold is completed.

Further, the transfer device comprises: the device comprises a movable rod base, a movable rod I, a movable rod II, a movable rod III, a carrying device I and a carrying device II; the moving rod base is a cuboid solid base, and the height of the moving rod base is properly increased so as to enhance the bearing capacity and stability; the moving rod I comprises a moving rod I; the device comprises a moving rod support plate I, a moving rod screw I and a motor VI; the moving rod I is installed at the bottom of the moving rod base in a welding mode, the moving rod supporting plate I is composed of an I-shaped structure, a groove with a plane at the bottom is formed in the upper surface of the moving rod supporting plate I, a circular groove is formed in the center of the plane, the moving rod screw I is a spiral rotating rod, the moving rod screw I is installed in a groove of the moving rod supporting plate I through connection with a coupler, the motor VI is installed on the motor base through a bolt, and the motor VI drives the coupler to drive the moving rod screw I to rotate so as to further drive the moving rod II to move; the movable rod II comprises: a moving rod support plate II and a moving rod screw II; the back surface of the moving rod support plate II is provided with two grooves, the upper parts of the grooves are provided with two support plates, the two support plates are clamped on the back surface of the moving rod support plate I, the front surface of the moving rod support plate II is provided with a groove with a level bottom, a cylindrical hole is formed in the middle of the groove, and the moving rod screw II is connected with a coupler and moves in the groove of the moving rod support plate II; the travel bar iii comprises: a moving rod support plate III and a moving rod screw rod III; grooves which are the same as those of the moving rod supporting plate II are formed in the front and the back of the moving rod supporting plate III, and a moving rod screw rod III is connected with a coupler to move in the groove of the moving rod supporting plate II; the moving rod III and the carrying device I and the moving rod III and the carrying device II adopt the same moving mode to realize the up-and-down movement of the carrying device I and the carrying device II; the carrying device I comprises: the conveying support, the motor VII, the rotating worm shaft and the sand box clamping jaw; the sand box clamping jaw overturning mechanism is characterized in that the carrying support is a symmetrical L-shaped bottom plate, two annular supporting columns extending outwards are additionally arranged on two sides of the bottom plate, the motor VII is installed on the carrying support through screw connection, the sand box clamping jaw is supported on the carrying support through a bearing, the motor VII is connected with the sand box clamping jaw through a worm gear, the motor VII is connected with a worm shaft through a coupling, the worm is connected with the shaft end of the sand box clamping jaw, the power of the motor VII is transmitted to the sand box clamping jaw through the worm gear, 180-degree rotation of the sand box clamping jaw is achieved, the sand box clamping jaw is fixed at a vertical position through the reverse self-locking characteristic of the worm gear, and 180-degree overturning of a sand box is completed.

Further, the flask clamping jaw comprises: the sand box clamp I and the sand box clamp II are rotatably arranged; the rotating clip includes: the clamping jaw transmission mechanism comprises a rotating shaft, a pinion rotating shaft, a gearwheel rotating shaft, a clamping jaw transmission rod I, a clamping jaw transmission rod screw, a clamping jaw rotating shaft and a clamping jaw transmission rod II; the rear half part of the rotating shaft is a polished rod shaft, the front half part of the rotating shaft is a semicircular shaft, a section of groove is formed in the middle of the semicircular shaft, three shaft holes are formed in the surface of the groove, the groove is hollow, a motor and other parts can be conveniently installed, and two threaded holes are formed in the end face of the rotating shaft, so that a rotating rod piece can be conveniently installed; thereby pinion axis of rotation passes through the rotation of inside motor and drives the clamping jaw pinion and rotate, and clamping jaw pinion clamping jaw gear wheel toothing is in the same place, passes the power of clamping jaw pinion to the clamping jaw gear wheel, and the clamping jaw gear wheel is installed on the gear wheel axis of rotation, the gear wheel axis of rotation passes through the bearing support to be installed the inside of axis of rotation, the clamping jaw axis of rotation passes through the bearing support to be installed in the axis of rotation, realizes the synchronous rotation of clamping jaw transfer line I, clamping jaw transfer line I is a solid part, and it has two screw holes to open at the part both ends, clamping jaw transfer line II is the thin wall member to get rid of the side, be convenient for with the cooperation of clamping jaw transfer line I, II tip of clamping jaw transfer line increase in order to increase the bearing capacity, the clamping jaw transmission rod II is moved; the sand box clamp I is characterized in that a groove is formed in the outer side of the sand box clamp I, a cylindrical protruding structure is arranged at the front end of the inner side of the sand box clamp I, a sharp tooth type protruding structure is arranged at the rear end of the inner side of the sand box clamp II, a circular protruding structure is arranged on the inner side of the sand box clamp II and is convenient to match with the inner side solid protruding structure of the sand box clamp I, a sharp tooth protruding structure identical to that of the sand box clamp I is also arranged at the rear end of the sand box clamp II, sharp teeth of the sand box clamp II are meshed with the sharp teeth of the sand box clamp I, and the sand box clamp I and the sand box clamp II are connected to the clamping jaw transmission rod II in a welding; the sand box clamp I and the sand box clamp II clamp handles on two sides of the sand box, and move and turn over the sand box through rotation of the clamps and movement of the moving rod; the carrying device II comprises a clamping jaw and a solid sand mold shovel; the solid sand mould shovel is connected to the clamping jaws in a welding mode, the clamping jaw transmission rod II and the solid sand mould shovel move synchronously, and the solid sand mould shovel lifts the solid sand mould from the bottom of the solid sand mould through opening and closing and completes the loading of the sand mould through the movement of the moving rod.

The casting sand mold continuous automatic production device has the beneficial effects that:

(1) the casting sand mold continuous automatic production device is formed in one step, and is time-saving and labor-saving.

(2) The invention can realize the one-time molding die processing of parts divided into multiple sections, is suitable for assembly line production, completes the sectional processing of the sectional part die, and is efficient and rapid.

Drawings

FIG. 1: the invention relates to a general assembly drawing of a continuous automatic production device for casting sand molds;

FIG. 2: the invention relates to a conveying device of a casting sand mold continuous automatic production device;

FIG. 3: the invention relates to roller transportation of a continuous automatic production device of a casting sand mold;

FIG. 4: the invention relates to a workbench I of a casting sand mold continuous automatic production device;

FIG. 5: the invention relates to a workbench II of a casting sand mold continuous automatic production device;

FIG. 6: the invention relates to a workbench III of a casting sand mold continuous automatic production device;

FIG. 7: the invention relates to a molding sand mold of a casting sand mold continuous automatic production device;

FIG. 8: the invention relates to a spiral feeder of a casting sand mold continuous automatic production device;

FIG. 9: the invention relates to a sand mould forming device of a casting sand mould continuous automatic production device;

FIG. 10: the invention relates to a rotating device of a casting sand mold continuous automatic production device;

FIG. 11: the invention relates to a rapid pressurizing device of a casting sand mold continuous automatic production device;

FIG. 12: the invention relates to a transfer device of a casting sand mold continuous automatic production device;

FIG. 13: the invention relates to a carrying device I of a casting sand mold continuous automatic production device;

FIG. 14: the invention relates to a sand box clamping jaw of a continuous automatic casting sand mold production device;

FIG. 15: the invention relates to a carrying device II of a casting sand mold continuous automatic production device;

in the figure: 1-conveying means, 2-feeding means, 3-sand mold forming means, 4-transfer means, 11-roller transport, 121-sand box I, 122-sand box II, 123-sand box iii, 131-shell sand mold I, 132-shell sand mold II, 133-shell sand mold iii, 141-table I, 142-table II, 143-table iii, 151-internal solid sand mold I, 152-internal solid sand mold II, 153-internal solid sand mold iii, 16-forming sand mold, 111-bottom holder, 112-anti-slip chuck, 113-roll shaft holder, 114-roll shaft, 115-conveying plate, 116-motor I, 117-motor base I, 161-internal sand mold I, 162-internal sand mold II, 163-internal sand mold iii, 164-external sand mold I, 165-external sand mold II, 166-external sand mold iii, 21-screw feeder, 22-conveyor belt, 23-conveyor belt wheel, 24-support frame, 25-motor II, 26-motor base II, 211-flask holder, 212-flask, 213-screw conveyor, 214-motor iii, 215-flask collector, 31-base, 32-rotary device, 331-movable slide support plate I, 332-movable slide screw I, 333-motor v, 341-movable slide support plate II, 342-movable slide screw II, 35-rapid pressurizing device, 361-housing solid part I, 362-housing solid part II, 363-housing solid part iii, 321-motor iv, 322-transverse transmission shaft, 323-longitudinal transmission shaft, 324-curved cylindrical cam, 325-index rotary table, 351-movable slide support plate iii, 352-transmission shaft, circular rotary table, 354-fixing screw, 355-movable rod I, 356-movable rod II, 357-press plate, 41-movable rod base, 42-movable rod I, 43-movable rod II, 44-transfer bar iii, 45-transfer device I, 46-transfer device II, 421-transfer bar support plate I, 422-transfer bar screw I, 423-motor vi, 431-transfer bar support plate II, 432-transfer bar screw II, 441-transfer bar support plate iii, 442-transfer bar screw iii, 451-transfer rack, 452-motor vii, 453-rotary shaft, 454-flask jaw, 4541-rotary clamp, 4542-flask clamp I, 4543-flask clamp II, 45411-rotary shaft, 45412-pinion rotary shaft, 45413-bull gear rotary shaft, 45414 jaw drive bar I, 45415-jaw drive bar screw, 45416 jaw rotary shaft, 45417-jaw drive bar II, 461-jaw, 462-solid worm-mold shovel.

Detailed Description

The continuous automatic production device for the casting sand mold of the invention is further described with reference to the attached drawings.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, a continuous automatic production apparatus for foundry sand molds, comprising: the device comprises a conveying device 1, a feeding device 2, a sand mold forming device 3 and a transfer device 4; the conveyer 1 is installed on the factory floor, the feeding device 2 is installed on the left side of the conveyer 1, and the conveyer 1 comprises: the device comprises a roller transportation 11, a sand box I121, a sand box II122, a sand box III 123, a shell sand mold I131, a shell sand mold II132, a shell sand mold III 133, a workbench I141, a workbench II142, a workbench III 143, an inner solid sand mold I151, an inner solid sand mold II152, an inner solid sand mold III 153 and a molding sand mold 16; the roller conveyer 11 is fixed on the ground through an anti-skid sucker 112, and the sand box I121, the sand box II122 and the sand box III 123 are placed on a transfer plate 115; the drum transport 11 comprises: the device comprises a bottom bracket 111, an anti-skid sucker 112, a rolling shaft bracket 113, a rolling shaft 114, a transmission plate 115, a motor I116 and a motor base I117; the bottom bracket 111 is installed on the ground, the anti-skid suction cups 112 are installed on the bottom bracket 111 by insertion, the rolling shaft bracket 113 is connected to the bottom bracket 111 by welding, the rolling shafts 114 are installed at equal intervals in the rolling shaft bracket 113, the transfer plate 115 is horizontally placed on the rolling shafts 114, the motor base 117 is fixed on the ground of a factory, and the motor I116 is fixedly installed on the motor base 117 by bolts; the outer shell sand mold I131, the outer shell sand mold II132 and the outer shell sand mold III 133 are respectively embedded in the box bodies of the sand box I121, the sand box II122 and the sand box III 123, the workbench I141, the workbench II142 and the workbench III 143 are fixedly arranged on the conveying plate 115 through bolts, the inner solid sand mold I151 is connected to the workbench I141 through a cross structure, the inner solid sand mold II152 is connected to the workbench II142 through a small-sized cross recessed structure, and the inner solid sand mold III 153 is installed on the workbench III 143 through a large-sized cylindrical cross recessed structure; the feeding device 2 comprises: the device comprises a spiral feeder 21, a conveyor belt 22, a conveyor belt wheel 23, a support frame 24, a motor II25 and a motor base II 26; the tail end of the discharge port of the spiral feeder 21 is positioned above the conveyor belt 22, the conveyor belt wheel 23 is installed in a through hole at the top of the support frame 24, and the conveyor belt 22 is tensioned between the conveyor belt wheels 23; the motor II25 is fixed on the motor base II26 through bolts; the screw feeder 21 includes: a flask holder 211, a flask 212, a screw conveyer 213, a motor III 214, and a flask collection 215; the sand storage box 212 is arranged on the sand storage box support 211, the sand storage box support 211 is arranged on the ground, the spiral conveyer 213 is arranged on a square groove at the bottom of the hopper of the sand storage box 212, a motor base of the motor III 214 is welded on a hollow circular tube of a shell of the spiral conveyer 213, the motor III 214 is arranged on the motor base through bolts, and the sand collection box 215 is connected on the hollow circular tube through threaded holes; the sand mold molding device 3 includes: the device comprises a base 31, a rotating device 32, a movable sliding table supporting plate I331, a movable sliding table screw I332, a motor V333, a movable sliding table supporting plate II341, a movable sliding table screw II342, a rapid pressurizing device 35, a housing solid part I361, a housing solid part II362 and a housing solid part III 363; the base 31 is placed on the ground; the rotating device 32 includes: the motor IV 321, the transverse transmission shaft 322, the longitudinal transmission shaft 323, the cambered surface cylindrical cam 324 and the indexing turntable 325; the motor IV 321 is connected to the base 31 through a screw, the transverse transmission shaft 322 is supported and installed on the base 31 through two bearings, the arc-shaped cylindrical cam 324 is installed on the transverse transmission shaft 322, the indexing turntable 325 is installed on the longitudinal transmission shaft 323, and the longitudinal transmission shaft 323 is vertically fixed on the base 31 through two bearings; the movable sliding table support plate I331 is connected to the longitudinal transmission shaft 323 through bolts and forms an included angle of 120 degrees respectively, the movable sliding table screw I332 is connected with a coupler and installed in a sliding groove of the movable sliding table support plate I331, the motor V333 is installed on a motor base through bolts, a groove on two sides is transversely formed in the bottom of the movable sliding table support plate II341, two calipers are reserved on the upper portion of the groove, the calipers are connected with the bottom surface of the upper half portion of the movable sliding table support plate I331, the movable sliding table support plate II341 is clamped on the surface of the movable sliding table support plate I331 through the calipers and the groove, and the movable sliding table screw II342 is connected to the movable sliding table support plate II 341; the upper surface of the movable sliding table supporting plate II341 has the same structure as that of the movable sliding table supporting plate I331; the rapid pressurizing device 35 includes: the sliding table moving device comprises a moving sliding table supporting plate III 351, a transmission shaft 352, a circular rotating disc 353, a fixing screw 354, a moving rod I355, a moving rod II356, a stamping plate 357, a housing solid part I361, a housing solid part II362 and a housing solid part III 363; the circular rotating disk 353 is connected to the transmission shaft 352 in an articulated manner, the circular rotating disk 353 and the moving rod I355 are articulated together through the fixing screw 354, and the transfer device 4 includes: a moving rod base 41, a moving rod I42, a moving rod II 43, a moving rod III 44, a conveying device I45 and a conveying device II 46; the moving rod base 41 is installed on the ground, and the moving rod I42 comprises; the device comprises a moving rod supporting plate I421, a moving rod screw I422 and a motor VI 423; the moving rod I42 is installed at the top of the moving rod base 41 in a welding mode, the moving rod screw I422 is installed in a groove of the moving rod supporting plate I421 through connection with a coupler, and the motor VI 423 is installed on the motor base through bolts; the moving rod ii 43 includes: a moving rod support plate II 431 and a moving rod screw II 432, wherein the moving rod screw II 432 is installed in a groove of the moving rod support plate II 431, and the moving rod III 44 comprises: a moving rod support plate III 441 and a moving rod lead screw III 442, wherein the moving rod lead screw III 442 is installed in a groove of the moving rod support plate II 431, and the carrying device I45 comprises: the conveying bracket 451, the motor VII 452, the rotating worm shaft 453 and the sand box clamping jaw 454; the carrying frame 451 is mounted on the transfer rod support plate iii 441, the motor vii 452 is mounted on the carrying frame 451 by means of screw connection, the flask clamping jaw 454 is mounted on the carrying frame 451 by means of bearing support, the worm shaft is connected to a coupling, and the flask clamping jaw 454 includes: a rotating clamp 4541, a sand box clamp I4542 and a sand box clamp II 4543; the rotating clip 4541 includes: a rotating shaft 45411, a pinion rotating shaft 45412, a bull gear rotating shaft 45413, a jaw transmission rod I45414, a jaw transmission rod screw 45415, a jaw rotating shaft 45416 and a jaw transmission rod II 45417; a clamping jaw large gear is arranged on the large gear rotating shaft 45413, the large gear rotating shaft 45413 is arranged inside the rotating shaft 45411 through a bearing support, the clamping jaw rotating shaft 45416 is arranged on the rotating shaft 45411 through a bearing support, the clamping jaw driving rod II 45417 is hinged to the clamping jaw driving rod I45414, the clamping jaw driving rod I45414 and the clamping jaw driving rod II 45417 are connected together through a clamping jaw driving rod screw 45415, a sand box clamp II 4543 is connected with a sand box clamp I4542 through an inner side annular bulge structure, the sand box clamp I4542 and the sand box clamp II 4543 are connected to the clamping jaw driving rod II 45417 through a welding mode, and the carrying device II46 comprises a clamping jaw 461 and a solid sand mould shovel 462; the solid sand mold shovel 462 is connected to the clamping jaw 461 by welding.

As shown in fig. 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 and 15, the working method of the casting sand mold continuous automatic production device comprises the following specific steps: the conveying device 1 is driven by a motor I116, a rolling shaft 114 of the roller transportation 11 of the conveying device 1 is used for driving a conveying plate 115 of the roller transportation 11 of the conveying device 1 to move forwards in parallel, and a left production line is used for processing sand molds in sand boxes; the feeding device 2 transfers the sand from the sand storage box 212 to the sand box I121, the sand box II122 and the sand box III 123 through the conveyor belt 22, and ensures that the sand in the sand box I121, the sand box II122 and the sand box III 123 is just adapted to different solid molds and just fills the sand in the sand box I121, the sand box II122 and the sand box III 123 after the molds are formed through intermittent sand discharging of the sand storage box 212; the sand mold forming device 3 respectively transfers the rapid pressurizing device 35 and different inner solid molds to the sand box I121, the sand box II122 and the upper part of the sand box III 123 through the motor IV 321, respectively presses the outer shell solid part I361, the outer shell solid part II362 and the outer shell solid part III 363 into sand soil in the sand box I121, the sand box II122 and the sand box III 123 through the rapid pressurizing device 35, completes the manufacture of the outer shell sand mold I131, the outer shell sand mold II132 and the outer shell sand mold III 133 through extrusion, and simultaneously adds two support columns on the outer shell solid part III 363 so as to leave pouring holes after pressurization is completed; one production line in the middle of the conveying device 1 is used for transferring the inner solid sand mold I151 and assembling and transferring the molding sand mold, and the right production line is used for transferring the inner solid sand mold II152 and the inner solid sand mold III 153; the transfer device 4 transfers the conveying device I45 and the conveying device II46 to the left production line and the right production line of the conveying device 1 respectively through the movable rod I42, the movable rod II 43 and the movable rod III 44, transfers the sand box I121, the sand box II122, the sand box III 123, the outer shell sand mold I131, the outer shell sand mold II132, the outer shell sand mold III 133, the inner core sand mold II152 and the inner core sand mold III 153 to the workbench I141 of the conveying device 1 respectively through the conveying device I45 and the conveying device II46, and completes the assembly of the solid sand molds while ensuring the integrity of the inner sand mold and the outer sand mold according to the assembly sequence.

The scope of the present invention is not limited thereto, and any changes or substitutions that can be easily made by those skilled in the art within the technical scope of the present invention are intended to be included within the scope of the present invention; therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. The utility model provides a continuous automatic production device of casting sand mould which characterized in that includes: the sand mold forming device comprises a conveying device (1), a feeding device (2), a sand mold forming device (3) and a transfer device (4); the conveying device (1) is installed on the ground of a factory through an anti-skid sucker (112), the feeding device (2) is installed on the left side of the conveying device (1), sand is conveyed into a sand box through a conveying belt (22) by a sand storage box (212) of a spiral feeder (21) in the feeding device (2), the sand mold forming device (3) moves the solid shell part I (361), the solid shell part II (362) and the solid shell part III (363) to the upper surfaces of a sand box I (121), a sand box II (122) and a sand box III (123) on a workbench respectively through a rotating device (32), sand is pressed into a shell sand mold I (131), a shell sand mold II (132) and a shell sand mold III (133) through a quick feeding mechanism by a quick pressurizing device (35), the sand is conveyed to the lower portion of the conveying device (4) through the conveying device (1), and the conveying device (4) is provided with a moving rod I (42), And the moving rod II (43) and the moving rod III (44) move the conveying device I (45) and the conveying device II (46) to the sand boxes to sequentially stack the sand boxes to complete the clamping of the three-box sand casting mold.

2. A continuous automatic production apparatus of foundry sand molds according to claim 1, characterized in that said conveyor (1) comprises: roller transportation (11), a sand box I (121), a sand box II (122), a sand box III (123), a shell sand mold I (131), a shell sand mold II (132), a shell sand mold III (133), a workbench I (141), a workbench II (142), a workbench III (143), an inner solid sand mold I (151), an inner solid sand mold II (152), an inner solid sand mold III (153) and a molding sand mold (16); the roller transportation (11) is fixed on the ground through an anti-skid sucker (112), and the sand box I (121), the sand box II (122) and the sand box III (123) are placed on the conveying plate (115); the drum transport (11) comprises: the device comprises a bottom support (111), an anti-skid sucker (112), a rolling shaft support (113), a rolling shaft (114), a conveying plate (115), a motor I (116) and a motor base I (117); the front surface of the bottom bracket (111) adopts a square-shaped structure and is supported by three vertical brackets, and the three brackets are connected in a cross-shaped manner, so that the stability of the brackets is improved; the anti-slip sucker (112) is a conical sucker and is firmly adsorbed on the ground, the scratch of the base to the ground is reduced, the anti-slip sucker (112) is installed on the bottom support (111) in an inserting and combining mode, the adsorption force between the bottom support (111) and the ground is increased, and sliding friction is prevented; the motor I (116) is fixedly mounted on the motor base I (117) through bolts, and four support frames of the motor base I (117) are connected through a transverse support, so that the bearing capacity of the bottom support to the motor I (116) is improved; the rolling shafts (114) are arranged in the rolling shaft support (113) at equal intervals, the motor I (116) drives the rolling shafts connected with the shaft coupling, each rolling shaft (114) is provided with two grooves, circular conveyor belts are arranged in the grooves, every two rolling shafts (114) are connected through the circular conveyor belts in the grooves, the power of the motor I (116) drives the adjacent rolling shafts (114) through the rolling shafts (114) connected with the shaft coupling through belt transmission in the grooves, so that all the rolling shafts (114) are driven to rotate, the conveying plate (115) is horizontally arranged on the rolling shafts (114), and the rolling shafts (114) drive the conveying plate (115) to horizontally move; the sand box I (121), the sand box II (122) and the sand box III (123) are formed by a box body and box body handles, the box body handles are positioned on two sides of the box body, holes with the same size are formed in the box body handles, the transportation and the up-down positioning are facilitated, the heights of the sand box I (121), the sand box II (122) and the sand box III (123) are different, sand molds with different heights are facilitated to be borne, and the strength of the box body and the bearing capacity of the box body during stacking are improved by thickening the upper side and the lower side of the box body; the shell sand mold I (131), the shell sand mold II (132) and the shell sand mold III (133) are respectively embedded in the box bodies of the sand box I (121), the sand box II (122) and the sand box III (123), the shell sand mold I (131), the shell sand mold II (132) and the shell sand mold III (133) are level with the sand box I (121), the sand box II (122) and the sand box III (123) up and down, so that the sand molds can be assembled conveniently, the shell sand mold I (131) and the shell sand mold II (132) are communicated up and down, and two pouring ports are formed in the bottom of the shell sand mold III (133), so that pouring is convenient; the workbench I (141), the workbench II (142) and the workbench III (143) are fixedly arranged on the conveying plate (115) through bolts, and two sides of the workbench I (141), the workbench II (142) and the workbench III (143) are flush with two sides of the conveying plate (115); a cross-shaped protruding structure is arranged at the center of the workbench I (141), a cylindrical cross-shaped protruding structure is arranged at the center of the workbench II (142), and a large cylindrical cross-shaped protruding structure is also arranged at the center of the workbench III (143) so as to be convenient to match and fix; the inner solid sand mould I (151) is inverted on the workbench I (141), the top of the inner solid sand mould I is provided with a cross-shaped concave structure which is convenient to be matched with the workbench I (141), and the bottom of the inner solid sand mould I is provided with a small cross-shaped convex structure which is convenient to be matched with the concave structure at the top of the inner solid sand mould II (152); the inner solid sand mould II (152) is inverted on the workbench II (142), the upper surface of the inner solid sand mould II is provided with a small cross-shaped sunken structure, so that the inner solid sand mould II is stably arranged on the workbench II (142) and is matched with the bottom of the inner solid sand mould I (151), and meanwhile, the lower surface of the inner solid sand mould II is provided with a cross-shaped protruding structure; the inner solid sand mould III (153) is semi-ellipsoidal, and the surface of the sand mould is provided with a large cylindrical cross recessed structure, so that the inner solid sand mould III is convenient to mount on the workbench III (143) and is convenient to match with the bottom of the inner solid sand mould II (152).

3. A continuous automatic production apparatus of foundry sand molds according to claim 1, characterized in that said feeding device (2) comprises: the device comprises a spiral feeder (21), a conveyor belt (22), a conveyor belt wheel (23), a support frame (24), a motor II (25) and a motor base II (26); the tail end of a discharge port of the spiral feeder (21) is positioned above the conveyor belt (22), and sandy soil poured out from the discharge port of the spiral feeder (21) is collected by the sand collecting box (215) and falls onto the conveyor belt (22); the supporting frame (24) is composed of two vertical supporting frames, each vertical supporting frame is composed of a ladder-shaped structure, the top of the right supporting frame protrudes forwards, so that the space occupied by the bottom is reduced, the left side and the right side of each supporting frame are connected through a horizontal connecting plate to increase rigidity, and the two vertical supporting frames are connected through the connecting plate to increase the structural stability of the supporting frame (24); symmetrical through holes are formed in the top of the supporting frame (24), the conveying belt wheels (23) are installed in the through holes in the top of the supporting frame (24), and the conveying belt (22) is tensioned between the conveying belt wheels (23); the motor II (25) is fixed on the motor base II (26) through a bolt, the motor II (25) drives the conveying belt wheel (23) through a coupling, and the conveying belt wheel (23) drives the conveying belt (22) to transfer the sandy soil into the sand box; the screw feeder (21) includes: a sand storage box support (211), a sand storage box (212), a spiral conveying device (213), a motor III (214) and a sand collection box (215); the sand storage box (212) is arranged on the sand storage box support (211), the sand storage box support (211) is arranged on the ground and supports the sand storage box (212), the sand storage box (212) is composed of a square box body structure, the volume in the box body is increased, a funnel with a conical inclined plane shape is arranged at the bottom of the box body, the sand and soil can be poured conveniently, a square groove is arranged at the bottom of the funnel of the sand storage box (212), through holes are formed in two sides of the groove, the installation of the spiral conveying device (213) is convenient, the sand and soil falling from the funnel can be collected in the square groove, the shell of the spiral conveying device (213) is a hollow round pipe, an opening is formed in the bottom of the right side of the hollow round pipe, another section of the hollow round pipe is welded with the opening, the sand and soil can be poured into the sand collection box (215) through the opening by the lifting of the spiral conveying device (213), and the spiral conveying device (213) passes, the spiral conveying device (213) is fixed, a spiral shaft is arranged inside the spiral conveying device, sandy soil is clamped between the outward extending spiral through rotation of the spiral shaft so as to drive the sandy soil to be lifted, and a hollow circular tube shell of the spiral conveying device (213) is in a semi-circular tube shape in a square groove so as to facilitate direct contact between the spiral shaft and the sandy soil; the motor base of the motor III (214) is welded with the hollow circular tube of the shell of the spiral conveying device (213), the motor III (214) is installed on the motor base through bolts, the sand collecting box (215) is composed of a sand box cover and a hollow box body, the sand box cover and the hollow box body are connected together through threads, the center of the sand box cover of the sand collecting box (215) is provided with a threaded hole and is connected with the hollow circular tube through threads, the hollow box body of the sand collecting box (215) is a cylindrical shell which is opened up and down, the bottom of the hollow box body is provided with a conical outlet, and a square sand collecting port is welded at the outlet, so that the sand is conveniently concentrated, and the sand loss caused by scattering when the sand falls from a high place is reduced.

4. The continuous automatic production apparatus of foundry sand molds according to claim 1, characterized in that the sand mold molding device (3) comprises: the device comprises a base (31), a rotating device (32), a movable sliding table supporting plate I (331), a movable sliding table lead screw I (332), a motor V (333), a movable sliding table supporting plate II (341), a movable sliding table lead screw II (342), a quick pressurizing device (35), a shell solid part I (361), a shell solid part II (362) and a shell solid part III (363); the base (31) is formed by connecting two metal boxes, a through hole is formed in each of the side surface and the upper surface of the base (31), the base (31) has a certain width, the supporting force and the stability of the base are guaranteed, and a space and a support are formed in the base (31) to facilitate placement of parts; the rotating device (32) comprises: the device comprises a motor IV (321), a transverse transmission shaft (322), a longitudinal transmission shaft (323), a cambered surface cylindrical cam (324) and an indexing turntable (325); the motor IV (321) is connected to the base (31) through a screw, the motor IV (321) is decelerated through a reducer, the shaft end of the reducer is connected with one end of the transverse transmission shaft (322) through a coupler, the transverse transmission shaft (322) is supported by two bearings, the transverse transmission shaft (322) intermittently feeds and transmits power through an indexing cam mechanism which is formed by the cambered cylindrical cam (324) at the other end and the indexing turntable (325) at the bottom of the longitudinal transmission shaft (323), the indexing turntable (325) is intermittently driven by the cambered cylindrical cam (324) to complete 120-degree intermittent rotation of the longitudinal transmission shaft (323), incomplete two parallel cambered surface structures are machined on the surface of the cambered cylindrical cam (324), a straight line section groove perpendicular to the axis is formed between the two cambered surface convex ridge structures, and one section of a groove formed by the cambered surface convex ridge structure is a curved section, an opening is reserved at the joint of the straight line section and the curved line section, so that the previous cylindrical roller can conveniently leave from the curved line section, the next cylindrical roller can conveniently enter from the curved line section, the curved line section of the groove formed by the cambered surface convex ridge structure drives the indexing wheel to rotate, and the straight line section enables the indexing wheel to be static and positioned and self-locked; the indexing turntable (325) is provided with three cylindrical rollers, and the axes of the cylindrical rollers are along the radial direction of the turntable, so that the cambered surface cylindrical cam (324) and the indexing turntable (325) form rolling friction; the intermittent rotation of the indexing turntable (325) is realized through the engagement of the clearance of the indexing turntable (325) and the incomplete ridge clearance of the cambered surface cylindrical cam (324), and the continuous rotation of the motor IV (321) is converted into the periodic rotation and the pause of the longitudinal transmission shaft (323); the longitudinal transmission shaft (323) is vertically fixed by two bearings; the movable sliding table supporting plate I (331) is of an I-shaped structure, the bottom plate surface is thick, the bearing capacity is high, the top plate surface is thin, an inward concave structure is machined on the upper surface of the movable sliding table supporting plate I (331), a plane is formed at the bottom of the concave, and a circular groove is formed in the middle of the plane; the movable sliding table supporting plate I (331) is connected to the longitudinal transmission shaft (323) through bolts and forms an included angle of 120 degrees respectively, the movable sliding table lead screw I (332) is connected with a coupler and installed in a sliding groove of the movable sliding table supporting plate I (331), the motor V (333) is installed on a motor base through bolts, the motor V (333) is connected with the movable sliding table lead screw I (332) through the coupler, and the power of the motor V (333) is transmitted to the movable sliding table lead screw I (332); the bottom of the movable sliding table supporting plate II (341) is transversely provided with grooves at two sides, two calipers are reserved at the upper part of each groove, each caliper is connected with the bottom surface of the upper half part of the movable sliding table supporting plate I (331), the movable sliding table supporting plate II (341) is clamped on the surface of the movable sliding table supporting plate I (331) through the calipers and the grooves, a protruding platform is reserved in the middle of each caliper, the center of the surface of the platform is provided with a cylindrical groove which is convenient to match with the movable sliding table supporting plate I (331), and the movable sliding table supporting plate II (341) is connected with the movable sliding table lead screw II (342) to realize the transverse movement of the movable sliding table supporting plate II; the upper surface of the movable sliding table supporting plate II (341) is provided with a structure the same as that of the movable sliding table supporting plate I (331); the motor IV (321) transmits power to the longitudinal transmission shaft (323) through a speed reducer, the longitudinal transmission shaft rotates by 120 degrees each time, and the rapid pressurizing device (35) is transferred to the sand box through the movable sliding table supporting plate II (341).

5. A continuous automatic production apparatus of foundry sand molds according to claim 4, characterized in that said rapid pressurizing means (35) comprises: the device comprises a movable sliding table supporting plate III (351), a transmission shaft (352), a circular turntable (353), a fixing screw (354), a movable rod I (355), a movable rod II (356), a stamping plate (357), a housing solid part I (361), a housing solid part II (362) and a housing solid part III (363); the back of the movable sliding table supporting plate III (351) is provided with a protruding groove which is convenient to mount and move up and down, the middle of the front of the movable sliding table supporting plate III is provided with a groove, the lower part of the movable sliding table supporting plate III is provided with a rectangular groove, the movable sliding table supporting plate II (356) is used as a moving track, the length of the transmission shaft (352) is just matched with the circular turntable (353), so that the movable sliding table I (355) can move freely, the transmission shaft (352) is connected with the circular turntable (353) in a hinged mode to form a revolute pair, the length of the movable sliding table I (355) is far greater than the radius of the circular turntable (353), meanwhile, the groove of the movable sliding table supporting plate III (351) is long enough, the existence of a crank is guaranteed, the fixing screw (354) is a cylindrical head screw, the stamping plate (357) is a square part and has a certain thickness to bear load stamping, and the circular turntable (353), a revolute pair is formed between the circular turntable (353) and the moving rod I (355), the moving rod II (356) makes reciprocating linear motion in a groove of the moving sliding table supporting plate III (351), and the moving sliding table supporting plate III (351) and the moving rod II (356) form a moving pair; the transmission shaft (352) drives the circular turntable (353) to rotate, the circular turntable (353) drives the movable rod I (355) to move, so that the movable rod II (356) is driven to vertically and rapidly move in the sliding groove of the movable sliding table supporting plate III (351) in a reciprocating mode, and the rapid compression molding process of the sand mold is completed.

6. A continuous and automatic production plant of foundry sand molds according to claim 1, characterized in that said transfer device (4) comprises: a moving rod base (41), a moving rod I (42), a moving rod II (43), a moving rod III (44), a conveying device I (45) and a conveying device II (46); the moving rod base (41) is a cuboid solid base, and the height is properly increased so as to enhance the bearing capacity and stability; the moving rod I (42) comprises; a moving rod support plate I (421), a moving rod screw I (422) and a motor VI (423); the moving rod I (42) is installed at the top of the moving rod base (41) in a welding mode, the moving rod supporting plate I (421) is composed of an I-shaped structure, a groove with a plane at the bottom is formed in the upper surface of the moving rod supporting plate I (421), a circular groove is formed in the center of the plane, the moving rod screw I (422) is a spiral rotating rod, the moving rod screw I (422) is installed in the groove of the moving rod supporting plate I (421) through connection with a coupler, the motor VI (423) is installed on the motor base through a bolt, and the motor VI (423) drives the coupler to drive the moving rod screw I (422) to rotate so as to further drive the moving rod II (43) to move; the moving rod II (43) comprises: a moving rod support plate II (431) and a moving rod screw rod II (432); the back surface of the moving rod support plate II (431) is provided with two grooves, the upper parts of the grooves are provided with two support plates, the two support plates are clamped on the back surface of the moving rod support plate I (421), the front surface of the moving rod support plate II (431) is provided with a groove with the bottom being flush, the middle of the groove is provided with a cylindrical hole, and the moving rod screw rod II (432) moves in the groove of the moving rod support plate II (431) through being connected with a coupler; the travel bar III (44) comprises: a moving rod support plate III (441) and a moving rod screw rod III (442); the front surface and the back surface of the moving rod supporting plate III (441) are provided with grooves which are the same as those of the moving rod supporting plate II (431), and the moving rod screw rod III (442) is connected with a coupler to move in the groove of the moving rod supporting plate II (431); the moving rod III (44) and the conveying device I (45) and the moving rod III (44) and the conveying device II (46) adopt the same moving mode to realize the up-and-down movement of the conveying device I (45) and the conveying device II (46); the carrying device I (45) comprises: a carrying bracket (451), a motor VII (452), a rotating worm shaft (453) and a sand box clamping jaw (454); the conveying support (451) is a symmetrical L-shaped bottom plate, two annular supporting columns extending outwards are additionally arranged on two sides of the bottom plate, the motor VII (452) is mounted on the conveying support (451) through screw connection, the sand box clamping jaws (454) are supported on the conveying support (451) through bearings, the motor VII (452) is connected with the sand box clamping jaws (454) through worm gears and worms, the motor VII (452) is connected with a worm shaft through a coupler, the shaft ends of the sand box clamping jaws (454) are connected with worms, power of the motor VII (452) is transmitted to the sand box clamping jaws (454) through the worm gears and worms, 180-degree rotation of the sand box clamping jaws (454) is achieved, and the sand box clamping jaws (454) are fixed at a vertical position through reverse self-locking characteristics of the worm gears and the worm gears, so that 180-degree overturning of the sand box is completed.

7. An apparatus for the continuous automated production of foundry molds according to claim 6, wherein said flask holding jaws (454) comprise: the sand box clamp comprises a rotary clamp (4541), a sand box clamp I (4542) and a sand box clamp II (4543); the rotating clip (4541) includes: the clamping jaw transmission mechanism comprises a rotating shaft (45411), a pinion rotating shaft (45412), a gearwheel rotating shaft (45413), a clamping jaw transmission rod I (45414), a clamping jaw transmission rod screw (45415), a clamping jaw rotating shaft (45416) and a clamping jaw transmission rod II (45417); the rear half part of the rotating shaft (45411) is a polished rod shaft, the front half part of the rotating shaft is a semicircular shaft, a section of groove is formed in the middle of the semicircular shaft, three shaft holes are formed in the surface of the groove, the interior of the groove is hollow, a motor and other parts can be conveniently installed, and two threaded holes are formed in the end face of the rotating shaft (45411), so that a rotating rod piece can be conveniently installed; pinion rotating shaft (45412) thereby rotates through inside motor and drives the rotation of clamping jaw pinion, and clamping jaw pinion clamping jaw gear meshing is in the same place, passes the power of clamping jaw pinion to the clamping jaw gear wheel, and the clamping jaw gear wheel is installed on gear rotating shaft (45413), gear rotating shaft (45413) are installed through bearing support the inside of axis of rotation (45411), clamping jaw axis of rotation (45416) are installed through bearing support on axis of rotation (45411), realize the synchronous rotation of clamping jaw transfer line I (45414), clamping jaw transfer line I (45414) is a solid part, and it has two screw holes to open at part both ends, clamping jaw transfer line II (45417) is the thin wall member to get rid of the side, be convenient for with the cooperation of clamping jaw transfer line I (45414), clamping jaw transfer line II (45417) tip increases in order to increase the bearing capacity, the jaw transmission rod I (45414) and the jaw transmission rod II (45417) are connected together through a jaw transmission rod screw (45415), and the jaw transmission rod II (45417) is moved; the outer side of the sand box clamp I (4542) is provided with a groove, the front end of the inner side of the sand box clamp I (4542) is provided with a cylindrical protruding structure, the rear end of the inner side of the sand box clamp II (4543) is provided with a circular protruding structure so as to be matched with the inner solid protruding structure of the sand box clamp I (4542), the rear end of the sand box clamp II (4543) is also provided with a sharp tooth protruding structure which is the same as that of the sand box clamp I (4542), sharp teeth of the sand box clamp II (4543) are mutually meshed with the sharp teeth of the sand box clamp I (4542), the sand box clamp I (4542) and the sand box clamp II (4543) are connected to the clamping jaw driving rod II (45417) in a welding mode, and synchronous movement of the clamping jaw driving rod II (45417), the sand box clamp I (4542) and the sand box clamp II; the sand box clamp I (4542) and the sand box clamp II (4543) clamp handles on two sides of the sand box, and move and overturn the sand box through rotation of the clamps and movement of the moving rod; the carrying device II (46) comprises clamping jaws (461) and a solid sand mold shovel (462); the solid sand mold shovel (462) is connected to the clamping jaws (461) in a welding mode, synchronous movement of the clamping jaw transmission rod II (45417) and the solid sand mold shovel (462) is achieved, and the solid sand mold shovel (462) lifts the solid sand mold from the bottom of the solid sand mold through opening and closing and completes loading of the sand mold through movement of the moving rod.

8. A continuous automatic production apparatus for foundry sand molds according to claim 1, characterized in that the conveyor (1) is driven by a motor I (116) to move a transfer plate (115) of the roller conveyor (11) of the conveyor (1) forward in parallel by a rolling shaft (114) of the roller conveyor (11) of the conveyor (1), and the left-side production line is a process for processing sand molds in flasks; the feeding device (2) transfers the sand from the sand storage box (212) to the sand box I (121), the sand box II (122) and the sand box III (123) through the conveyor belt (22), and ensures that the sand in the sand box I (121), the sand box II (122) and the sand box III (123) is just adapted to different solid molds and just fills the sand box I (121), the sand box II (122) and the sand box III (123) after molding through intermittent sand discharging of the sand storage box (212); the sand mold forming device (3) respectively transfers the rapid pressurizing device (35) and different inner solid molds to the upper parts of the sand box I (121), the sand box II (122) and the sand box III (123) through the motor IV (321), the shell solid part I (361), the shell solid part II (362) and the shell solid part III (363) are respectively pressed into sandy soil in the sand box I (121), the sand box II (122) and the sand box III (123) through the rapid pressurizing device (35), the shell sand mold I (131), the shell sand mold II (132) and the shell sand mold III (133) are manufactured through extrusion, and meanwhile, two supporting columns are additionally arranged on the shell solid part III (363), so that pouring holes are reserved after pressurization is finished; one production line in the middle of the conveying device (1) is used for transferring the inner solid sand mold I (151) and assembling and transferring the molding sand mold, and the right production line is used for transferring the inner solid sand mold II (152) and the inner solid sand mold III (153); the transfer device (4) transfers the conveying device I (45) and the conveying device II (46) to the left production line and the right production line of the conveying device (1) respectively through the moving rod I (42), the moving rod II (43) and the moving rod III (44), and transfers the sand box I (121), the sand box II (122), the sand box III (123), the shell sand mold I (131), the shell sand mold II (132), the shell sand mold III (133), the inner core sand mold II (152) and the inner core sand mold III (153) to the workbench I (141) of the conveying device (1) respectively through the conveying device I (45) and the conveying device II (46), and the assembly of the solid sand molds is completed while the completeness of the inner sand mold and the outer sand mold is ensured according to the assembly sequence.