CN218638560U

CN218638560U - Double-line pouring equipment

Info

Publication number: CN218638560U
Application number: CN202123379743.9U
Authority: CN
Inventors: 许少红; 刘涛; 田贵仁
Original assignee: Beijing Tinder Lost Foam Casting Technology Co ltd
Current assignee: Beijing Tinder Lost Foam Casting Technology Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2023-03-17
Anticipated expiration: 2031-12-29

Abstract

The utility model discloses a double-line pouring device, a mobile platform and a pouring mechanism arranged on the mobile platform, wherein, both sides of the mobile platform are respectively provided with a pouring station for arranging sand boxes, and the pouring mechanism comprises a base, a rotary seat and a tilting support frame; the base is rotatably connected with the rotating seat, the rotating axis between the base and the rotating seat is vertically arranged, the rotating seat is connected with a rotary driving mechanism for driving the rotating seat to rotate, the tilting support frame is used for placing a casting ladle and is hinged with the rotating seat, the tilting support frame is horizontally arranged with the rotating axis of the rotating seat, another row of sand boxes are poured after the pouring of one row of sand boxes is completed, the poured row of sand boxes can stay on a sand box track for a period of time and then are withdrawn, so that molten metal in the sand boxes is properly cooled and hardened, the quality of metal forming cannot be influenced by external force generated when the sand boxes move, and the product quality is improved; meanwhile, the ladle changing speed is high, and the pouring mechanism can realize uninterrupted pouring.

Description

Double-line pouring equipment

Technical Field

The utility model belongs to the technical field of the pouring and specifically relates to a double-line pouring equipment is related to.

Background

At present, the blank of metal parts is widely produced by using a casting technology, the assembly line type casting technology is continuously popularized and used along with the promotion of industrialization, and the pouring process is completed by pouring molten metal into a sand box which is regularly arranged. At present, production line type pouring equipment is adopted, generally only a row of sand boxes which are arranged orderly can be poured, after molten metal is poured into the sand boxes, time is needed for ensuring that metal parts have better pouring quality, and the sand boxes cannot be moved at once for ensuring that the metal parts have better pouring quality, so that a pouring machine needs to wait for a certain time after the metal liquid in the sand boxes is properly cooled, then the sand boxes are moved, and then the sand boxes to be poured are moved to pouring stations, so that continuous pouring cannot be realized, the efficiency of the production mode is low, and the requirement for fast-paced production at present is difficult to meet.

SUMMERY OF THE UTILITY MODEL

In order to promote metal work piece casting moulding's quality and efficiency, this application provides a double-line pouring equipment.

The application provides a double-line pouring equipment adopts following technical scheme:

a double-line pouring device comprises a mobile platform and a pouring mechanism arranged on the mobile platform, wherein two sides of the mobile platform are respectively provided with a pouring station for arranging sand boxes, and the pouring mechanism comprises a base, a rotating seat and a tilting support frame; swivelling joint between base and the roating seat, the vertical setting of the rotation axis between base and the roating seat, the roating seat is connected with orders about its rotatory rotary driving mechanism, the support frame that verts be used for placing the ladle and articulated with the roating seat, the rotation axis level setting of support frame and roating seat of verting.

By adopting the technical scheme, two rows of sand boxes which are arranged in order are arranged on two sides of a moving platform provided with a pouring mechanism, and the sand boxes in one row are poured one by one firstly through the movement of the moving platform; after the pouring is finished, the rotary seat can rotate 180 degrees, and then the other sand box row is poured. And the sand box of the row after the pouring can be kept still for a period of time, so that the molten metal in the sand box is cooled and formed. Because the sand boxes in one row are kept still after the pouring is finished and then are removed, the sand boxes to be poured are replaced, and the sand boxes in the other row are poured, the alternate pouring can be realized, so that the pouring mechanism can continuously pour, and the integral pouring efficiency can be improved; meanwhile, the sand box which is poured firstly can wait for the cooling forming of the molten metal for a certain time, and the metal workpiece can be formed with better quality.

This application further sets up to, the pouring station be equipped with the sand box track that supplies the sand box to place, sand box track and pouring track parallel arrangement.

Through adopting above-mentioned technical scheme, the sand box carries out orderly range through the sand box track, can realize that the sand box is steady quick enters into the pouring station and withdraws the pouring station, promotes the efficiency that the sand box removed.

This application further sets up to, moving platform is provided with the orbital switching track of perpendicular to sand box, and the pouring mechanism sets up in switching the track to can follow the track removal of switching.

By adopting the technical scheme, the arrangement of the switching track is used for adjusting the position of the pouring mechanism after the rotating seat rotates 180 degrees, so that the pouring mechanism can better align to the pouring gate of the sand box.

The application is further configured to: a support table is also erected on the moving platform, two ends of the support table extend towards the sand box track, and the support table 12 is positioned above the sand box; the support table is provided with an operation chamber rail which is arranged perpendicular to the sand box rail and extends above the sand box, and the operation chamber is mounted on the operation chamber rail and can move along the operation chamber rail 121.

Through adopting above-mentioned technical scheme, the control chamber can follow the control chamber track and remove to the top that corresponds the sand box, when pouring the sand box of mechanism pouring one side promptly, the control chamber also removes to this side, the position of judgement runner that makes operating personnel can understand, the operating personnel of being convenient for is to the position of better adjustment pouring mechanism, thereby better pours the sand box.

The application is further set that the rotating seat is provided with a bag changing track, one end of the pouring track is provided with a bag changing platform, the bag changing platform is provided with a butt joint track, and the butt joint track is matched with the bag changing track; and the butt joint track is provided with a bag changing trolley.

Through adopting above-mentioned technical scheme, the ladle that will meet full metal liquid is about to use up when the pouring ladle on the pouring mechanism, place on trading a packet dolly through hoisting accessory, the control casting machine is to trading a packet platform side motion, make and trade a packet track and dock the track and align each other, the support frame that verts lasts the below, make the counter weight wheel and roating seat upper surface contact break away from until locking Assembly and dead lever, hoisting accessory transfers away empty ladle that waters, will full ladle propelling movement to vert in the support frame at once, it is convenient fast to trade a packet process, promote pouring efficiency.

This application further sets up to, the support frame lower part of verting be provided with bracket and backing roll, the bracket has two, the backing roll is located between two brackets, the backing roll is rotatable to be installed in the support frame of verting, the afterbody of bracket is provided with the locking subassembly that will water a packet dead lever locking.

By adopting the technical scheme, the supporting roll is used for supporting the front end of the casting ladle, and the bracket supports the rear end of the casting ladle and realizes the mutual fixation of the tilting support frame and the casting ladle through the locking assembly; when the ladle is poured in the dress, owing to adopt the backing roll can roll, will pour the ladle and turn round the propelling movement in-process of verting the pouring mechanism, on the derived backing roll that the front end of ladle can be light, equally, when will empty the ladle and follow the gyration and vert the pouring mechanism and change down, messenger that also can be light waters the ladle front end and breaks away from with the support frame that verts.

This application further sets up to, the locking subassembly including set up in the draw-in groove of bracket afterbody and articulate in the pothook of bracket afterbody, the pothook is located the draw-in groove position, the pothook is connected with the counterweight wheel, the counterweight wheel receives the action of gravity can order about the pothook and hook the dead lever of watering the package.

Through adopting above-mentioned technical scheme, when the package is watered in the installation, will water a package front end propelling movement to backing roll department, water in the dead lever card that a package rear end set up goes into the draw-in groove, when the support frame that verts is not the lifting, the counterweight wheel is to the contact with the roating seat, thereby order about the upset of buckle dorsad draw-in groove one side, make and break away from each other between pothook and the dead lever, and when the support frame that verts upset, the counterweight wheel breaks away from with the support frame that verts gradually, order about the pothook and rotate gradually, until hooking the dead lever, realize the locking to the dead lever, locking and unblock are accomplished along with the upset of the support frame that verts automatically, need not manual operation.

This application further sets up to, roating seat upper portion is provided with two support arms, and the support frame that verts articulates the upper end of two support arms and rotates around the upper end of support arm, and the rotation axis of the support frame that verts is close to the position at ladle liquid outlet nozzle place with the support arm.

Through adopting above-mentioned technical scheme, roating seat upper portion is provided with two support arms, and the support frame that verts articulates the upper end of two support arms and rotates around the upper end of support arm, and the rotation axis of the support frame that verts is close to the position at ladle liquid outlet nozzle place with the support arm.

The support arm is further provided with two U-shaped grooves, the openings of the U-shaped grooves face the support arm, and when the tilt support frame is put down, the U-shaped grooves can be buckled on the support arm; one side that the support arm drove the support frame towards verting is provided with and accomodates the groove, accomodates the inslot and installs the rotatory drive structure that verts of drive support frame.

Through adopting above-mentioned technical scheme, drive structure is installed in the space that the U type groove and storage groove enclose and close the formation, can be to drive structure a good protection, can prevent that metal liquid, dust etc. from influencing drive structure.

The application further provides that the power elements of the pouring mechanism moving along the pouring track, the pouring mechanism moving along the switching track, and the operating room moving along the operating room track are all driven by a motor.

Through adopting above-mentioned technical scheme to the motor is as drive element, the accurate motion of the control corresponding mechanism that operating personnel can be accurate reduces the control degree of difficulty, and the motor can adopt servo motor simultaneously, promotes the degree of automation of whole equipment.

In conclusion, the method has the advantages that when one sand box row is poured and then the other sand box row is poured, the sand box row which is poured first can stay on the sand box rail for a period of time and then is withdrawn, so that the molten metal in the sand box can be properly cooled and hardened, the quality of metal forming cannot be influenced by external force when the sand box moves, and the product quality is improved; meanwhile, the ladle changing speed is high, and the pouring mechanism can realize uninterrupted pouring.

Drawings

Fig. 1 is a front view of the two-wire casting apparatus of the present application.

Fig. 2 is a top view of the twin wire casting apparatus of the present application.

Fig. 3 is a schematic structural view of the rotary tilt casting mechanism.

FIG. 4 is a schematic structural view of the rotary tilting casting mechanism after the casting ladle is mounted; .

FIG. 5 is a top view of the rotary tilt casting mechanism;

FIG. 6 is a front view of a rotary tilt casting mechanism;

fig. 7 is a structure diagram of a ladle changing of a two-wire casting apparatus.

Description of reference numerals:

1. pouring a track; 11. a mobile platform; 111. switching tracks; 12. a support table; 121. an operating room track; 13. an operation chamber; 131. an illuminating lamp; 14. a bag changing platform; 141. butt-jointing the rails; 15. a bag changing trolley; 2. a flask track; 21. a sand box; 3. a pouring mechanism; 31. a base; 32. a rotating base; 321. a support arm; 322. a connecting rod; 323. a receiving groove; 324. changing the package track; 33. a tilting support frame; 331. a support roller; 332. a bracket; 333. a card slot; 334. a hook; 335. a U-shaped groove; 336. a counterweight wheel; 35. an oil cylinder; 36. a funnel; 4. casting a ladle; 41. a liquid outlet nozzle; 42. and (5) fixing the rod.

Detailed Description

Referring to fig. 1 and 2, the double-line casting equipment comprises a casting track 1 and sand box tracks 2 arranged on two sides of the casting track 1, wherein a moving platform 11 is arranged on the casting track 1 and can move along the casting track 1. The flask rail 2 is used for aligning the flasks 21. The movable platform 11 is provided with a pouring mechanism 3 and an operating chamber 13, one side of the operating chamber 13 facing the pouring mechanism 3 is provided with an illuminating lamp 131, the movable platform 11 is provided with a switching track 111 perpendicular to the pouring track 1, and the pouring mechanism 3 is arranged on the switching track 111 and can move along the switching track 111, so that the pouring mechanism 3 can move close to one of the two sand boxes 21.

Referring to fig. 3 and 4, the pouring mechanism 3 includes a base 31, a rotary seat 32, and a tilt support frame 33; the base 31 is matched with the switching track 111, the base 31 is rotatably connected with the rotating base 32, and the rotating axis between the base 31 and the rotating base 32 is vertically arranged, so that the rotating base 32 rotates around a vertical axis on the base 31, the rotating base 32 can be driven by a servo motor or by hydraulic pressure, and the switching track is not unfolded in the embodiment. Two supporting arms 321 are arranged at the upper part of the rotating base 32, a connecting rod 322 is fixed between the two supporting arms 321, and the connecting rod 322 is close to the upper parts of the supporting arms 321. The support frame 33 that verts articulates in the upper end of two support arms 321, makes the support frame 33 that verts rotate around the upper end of support arm 321, and the support frame 33 that verts is used for the fixed ladle 4 of placing, when the support frame 33 that verts rotates around the support arm 321 upper end, can pour the metal liquid in the ladle 4. The ladle 4 is barrel-shaped, the rotation axes of the tilting support frame 33 and the support arm 321 are positioned outside the barrel body of the ladle 4, and the positions of the liquid outlet nozzles 41 of the ladle 4 are positioned on the rotation axes of the tilting support frame 33 and the support arm 321, so that the liquid outlet nozzles 41 on the ladle 4 can be closer to the pouring gate of the sand box 21, and the falling point of the molten metal is more controllable.

U-shaped grooves 335 are formed in two sides of the tilting support frame 33, the openings of the U-shaped grooves 335 face the support arms 321, and when the tilting support frame 33 is put down, the U-shaped grooves 335 can be buckled into the support arms 321 to wrap the support arms 321; support arm 321 is provided with towards one side of the support frame 33 that verts and accomodates groove 323, accomodates and installs the hydro-cylinder 35 that verts in the groove 323, and the one end of hydro-cylinder 35 that verts articulates with roating seat 32, and the other end articulates in the support frame 33 that verts, through the flexible of hydro-cylinder 35, can drive the rotation of the support frame 33 that verts, because the hydro-cylinder 35 is in the space of accomodating groove 323 and U type groove 335 and enclosing, can carry out a good protection to hydro-cylinder 35.

Two brackets 332 are arranged at the lower part of the tilting support frame 33 and used for bearing the casting ladle 4, a clamping groove 333 is arranged at the tail part of each bracket 332, and a fixing rod 42 is arranged at the position, corresponding to the clamping groove 333, of the casting ladle 4; the tail of the bracket 332 is hinged with a hook 334, the hook 334 is connected with a counterweight wheel 336, when the tilting support frame 33 rotates, the counterweight wheel 336 leaves the rotating seat 32, and drives the hook 334 to rotate and hook the fixed rod 42 under the action of gravity, so that the ladle 4 and the tilting support frame 33 are locked.

As shown in fig. 6, the ladle changing rail 324 is arranged on the rotary base 32, the ladle changing rail 324 is located between the two brackets 332, the ladle changing rail 324 is used with the ladle changing trolley 15, so that the ladle changing trolley 15 carries the ladle 4, the ladle 4 is delivered to the position of the bracket 332, the fixing rod 42 on the ladle 4 is clamped into the clamping groove 333, and the ladle 4 can be rapidly delivered to the tilting support frame 33.

Referring to fig. 5 and 6, the tilting support frame 33 is further provided with a support roller 331, and the support roller 331 is used to support the bottom of the ladle 4 and is used in cooperation with the bracket 332 to stably support the ladle 4 by the tilting support frame 33. Since the engagement between the support rollers 331 and the ladle 4 is due to rolling friction, it is relatively labor-saving to place a full ladle 4 on the tilt support frame 33 or to remove an empty ladle 4 from the tilt support frame 33.

Referring to fig. 1, in order to further improve the accuracy of the pouring process, a funnel 36 is arranged on the rotary base 32, and the funnel 36 is fixed on the connecting rod 322 and is positioned below the liquid outlet nozzle 41 of the ladle 4; the illumination direction of the illumination lamp 131 of the operation room 13 is directed to the lower portion of the hopper 36. Support frame 33 verts is ordering about the in-process that 4 verts of ladle, because liquid outlet 41 end position can change, through the setting of funnel 36, in the metal liquid was poured funnel 36 into earlier, the runner is poured metal liquid into to rethread funnel 36, can avoid the change of liquid outlet 41 position and arouse the change of metal liquid drop point like this. Therefore, in the process of controlling the pouring mechanism 3, an operator only needs to control the angle of the rotating seat 32 and move the distance between the pouring mechanism 3 and the sand box 21 to align the pouring gate at the lower part of the funnel 36, so that the molten metal can be accurately poured into the pouring gate, and the alignment difficulty is reduced.

Referring to fig. 6 and 7, a ladle changing platform 14 is arranged at one end of the pouring rail 1, a docking rail 141 is arranged on the ladle changing platform 14, a ladle changing trolley 15 is arranged at the ladle changing platform 14, the ladle changing trolley 15 can move along the docking rail 141, and the docking rail 141 and the ladle changing rail 324 have the same specification. Namely, when the moving platform 11 drives the pouring mechanism 3 to move towards one side of the ladle changing platform 14, the tail end of the bracket 332 faces one side of the ladle changing platform 14, and when the moving platform 11 moves towards the ladle changing platform 14 to the limit position, the butt joint rail 141 can be aligned with the ladle changing rail 324, so that the ladle changing trolley 15 can move to the ladle changing rail 324 along the butt joint rail 141, the pouring ladle 4 is sent to the position where the bracket 332 is located, the tilting support frame 33 is driven, the bracket 332 is lifted, the fixing clamp on the pouring ladle 4 is clamped into the clamping groove 333, and the pouring ladle 4 and the tilting support frame 33 are mutually locked by the locking mechanism along with the continuous overturning of the tilting support frame 33.

Referring to fig. 1, the moving platform 11 is further provided with a support base 12, and both ends of the support base 12 extend toward the flask rails 2, and after the flasks 21 are moved to the flask rails 2, the support base 12 is positioned above the flasks 21. The support base 12 is provided with an operation chamber rail 121, the operation chamber rail 121 is disposed perpendicular to the casting rail 1 and extends above the flask 21, and the operation chamber 13 is mounted on the operation chamber rail 121 and is movable along the operation chamber rail 121. The operation chamber 13 is provided with an operation table, and the operation table can control the movement of the movable platform 11 along the casting track 1, the movement of the casting mechanism 3 along the switching track 111, the movement of the operation chamber 13 along the operation chamber track 121, the rotation of the rotary base 32 relative to the base 31, the turning of the tilt support frame 33, and the like. The power elements of the pouring mechanism 3 moving along the pouring track 1, the pouring mechanism 3 moving along the switching track 111, and the operation chamber 13 moving along the operation chamber track 121 are driven by a motor and are realized in a way that a gear and a rack are mutually matched; for example, the driving structure between the moving platform 11 and the casting track 1, wherein a motor may be installed on the moving platform 11, and a gear driven by the motor is installed on the moving platform 11, a rack is fixed in the middle of the casting track 1, and the movement of the moving platform 11 is realized through the mutual cooperation of the gear and the rack.

According to the production requirement, the sand box 21 in one row can be poured firstly, and then the sand box 21 in the other row can be poured. During pouring, the liquid outlet nozzles 41 are directed toward the sand boxes 21 in one row by the rotation of the rotary base 32, the falling point of the molten metal is aligned with the gates provided on the sand boxes 21 by the movement of the base 31 along the switching rail 111, and the molten metal is poured into each sand box 21 one by the movement of the movable platform 11 along the pouring rail 1. Because the operation chamber 13 can move along the operation chamber rail 121, when one sand box 21 in one row is poured, the operation chamber 13 can move along the operation chamber rail 121 along with the rotation of the rotation mechanism 32, so that the operation chamber 13 moves to the upper part of the sand box 21 in the row needing pouring, the pouring gate position needing pouring is positioned in front of the operation chamber 13, an operator can judge the position between the molten metal falling point and the pouring gate clearly through the observation window, and the pouring mechanism 3 is adjusted adaptively, so that the molten metal can be ensured to be poured into the pouring gate accurately.

When the casting ladle 4 on the casting mechanism 3 is about to be used up, the ladle changing process is as follows, the casting ladle 4 fully filled with molten metal is placed on the ladle changing trolley 15 through the hoisting device, the moving platform 11 is controlled to move towards one side of the ladle changing platform 14, the ladle changing track 324 is aligned with the butt joint track 141, the tilting support frame 33 is continuously lowered, the counterweight wheels 336 are in contact with the upper surface of the rotating seat 32 until the locking assembly is separated from the fixed rod 42, the hoisting device hoists away the empty casting ladle 4, the full casting ladle 4 passing through the ladle changing trolley 15 is pushed into the tilting support frame 33 immediately, and the ladle changing process is rapid and convenient. The hoisting device can adopt a travelling crane, a carrying robot and the like.

The working principle of the application is as follows: an operator enters the operation room 13 and controls the movement of each mechanism of the equipment through a control console in the operation room 13; because the pouring mechanism 3 can rotate, the pouring mechanism 3 can rotate 180 degrees to pour the sand boxes 21 arranged at two sides of the pouring track 1. During pouring, according to the actual production requirement, one sand box 21 can be selected to be poured first, and then the other sand box can be poured; alternatively, one of the flasks 21 may be poured first on one side and one of the flasks 21 on the other side may be poured second on the other side. Firstly, moving the operating chamber 13 to the upper part of the flask 21 to be cast, simultaneously controlling the liquid outlet nozzle 41 of the casting mechanism 3 to rotate to one side to be cast along with the rotating base 32, wherein the liquid outlet nozzle 41 is positioned in front of the operating chamber 13, and an operator adjusts the casting mechanism 3 according to the positions of the funnel 36 and a pouring gate quality inspection to ensure that the lower part of the funnel 36 is aligned with the pouring gate, then controlling the tilting support frame 33 to turn over to pour molten metal into the funnel 36, and enabling the molten metal to enter the pouring gate through the funnel 36 to finish the casting of one flask 21; then moving the platform 11 to make the lower part of the funnel 36 align with the position of the next sand box 21 to be poured, and pouring the next sand box 21 until the pouring of the whole row of sand boxes 21 is completed; after that, the operation chamber 13 moves to the upper part of the other flask 21 and controls the movement of the pouring mechanism 3 to complete the pouring of the next flask 21. In the pouring process, if the molten metal in the casting ladle 4 is poured, the moving platform 11 moves to one end of the pouring track 1, the empty casting ladle 4 is taken away, the casting ladle 4 filled with the molten metal is replaced to continue pouring, and the whole ladle replacing process is rapid and convenient. Because the pouring mechanism 3 can realize double-line pouring, when one of the sand boxes 21 is poured and the other sand box 21 is poured after the pouring of the sand box 21 is finished, the sand box 21 which is poured first can stay on the sand box rail 2 for a period of time, so that the molten metal in the sand box 21 is properly cooled and hardened, and then is moved away from the sand box rail 2, thus the quality of metal forming cannot be influenced by external force when the sand box 21 moves, in the whole pouring process, the pouring mechanism 3 is always in an operating state, the pouring does not need to be stopped because the sand box 21 is temporarily kept stand or transferred, and the ladle changing process is relatively quick, so that the pouring efficiency of the double-line pouring equipment is obviously improved compared with the prior art, the large-batch continuous pouring can be realized, and simultaneously, the poured metal workpieces also have better forming quality.

Meanwhile, because two sand box rails 2 are arranged, in the production line, the former molding station can realize continuous processing and convey the sand box 21 to be cast to the sand box rails 2, one sand box rail 2 is used for butting the sand box 21 conveyed by the molding station, and the other sand box rail 21 carries out casting operation, so that the molding station continuously conveys the sand box 21 according to the existing rhythm of the molding station without influencing the rhythm of the molding station by the casting operation.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. A double-line pouring equipment which is characterized in that: the sand box pouring device comprises a moving platform (11) and a pouring mechanism (3) arranged on the moving platform (11), wherein pouring stations for arranging sand boxes (21) are respectively arranged on two sides of the moving platform (11), and the pouring mechanism (3) comprises a base (31), a rotating seat (32) and a tilting support frame (33); swivelling joint between base (31) and roating seat (32), the vertical setting of the axis of rotation between base (31) and roating seat (32), roating seat (32) are connected with the rotary driving mechanism who orders about its rotation, support frame (33) vert be used for placing ladle (4) and articulated with roating seat (32), the axis of rotation level setting of support frame (33) and roating seat (32) vert.

2. A twin-line casting apparatus according to claim 1, characterised in that the casting station is provided with flask rails (2) on which flasks (21) are placed, said flask rails (2) being arranged parallel to the casting rail (1).

3. A double-line pouring apparatus according to claim 2, wherein: the moving platform (11) is provided with a switching track (111) perpendicular to the sand box track (2), and the pouring mechanism (3) is arranged on the switching track (111) and can move along the switching track (111).

4. A twin-line casting apparatus according to claim 3, characterised in that the moving platform (11) is further provided with a support table (12), the two ends of the support table (12) extending towards the flask track (2), the support table (12) being located above the flasks (21); the support table (12) is provided with an operation chamber rail (121), the operation chamber rail (121) is perpendicular to the sand box rail (2) and extends to the upper part of the sand box (21), and the operation chamber (13) is installed on the operation chamber rail (121) and can move along the operation chamber rail (121).

5. The double-line pouring equipment according to claim 4, wherein the rotating seat (32) is provided with a ladle changing track (324), one end of the pouring track (1) is provided with a ladle changing platform (14), the ladle changing platform (14) is provided with a butt joint track (141), and the butt joint track (141) is matched with the ladle changing track (324); the butt joint rail (141) is provided with a bag changing trolley (15).

6. A twin-line casting apparatus as claimed in claim 5, wherein the lower part of the tilting support frame (33) is provided with two brackets (332) and two support rollers (331), the support rollers (331) are located between the two brackets (332), the support rollers (331) are rotatably mounted on the tilting support frame (33), and the rear part of the brackets (332) is provided with a locking assembly for locking the fixed bar (42) of the ladle (4).

7. The twin-wire casting apparatus according to claim 6, wherein the locking assembly comprises a locking slot (333) provided at the rear portion of the bracket (332) and a hook (334) hinged to the rear portion of the bracket (332), the hook (334) is located at the locking slot (333), the hook (334) is connected with a weight wheel (336), and the weight wheel (336) is capable of driving the hook (334) to hook the fixing rod (42) of the ladle (4) under the action of gravity.

8. A twin-line pouring apparatus as defined in claim 7, wherein the rotary base (32) is provided at an upper portion thereof with two support arms (321), the tilting support frame (33) is hinged to upper ends of the two support arms (321) and rotates around the upper ends of the support arms (321), and the rotational axes of the tilting support frame (33) and the support arms (321) are located close to the position of the outlet nozzle (41) of the ladle (4).

9. The double-line casting device according to claim 8, characterized in that the tilting support frame (33) is provided with two U-shaped grooves (335), the openings of the U-shaped grooves (335) are directed towards the support arms (321), and when the tilting support frame (33) is lowered, the U-shaped grooves (335) can be buckled on the support arms (321); one side of the supporting arm (321) facing the tilting support frame (33) is provided with a storage groove (323), and a tilting driving structure for driving the tilting support frame (33) to rotate is installed in the storage groove (323).

10. A twin-line casting plant according to claim 9, characterised in that the power elements of the casting mechanism (3) moving along the casting track (1), the casting mechanism (3) moving along the switching track (111), the operating chamber (13) moving along the operating chamber track (121) are all motor-driven.