CN210475443U

CN210475443U - Full-automatic sand casting molding machine

Info

Publication number: CN210475443U
Application number: CN201921162896.8U
Authority: CN
Inventors: 赖秋平
Original assignee: Yancheng Dongyun Automation Technology Co ltd
Current assignee: Yancheng Dongyun Automation Technology Co ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2020-05-08
Anticipated expiration: 2029-07-23

Abstract

The utility model relates to a sand casting technical field just discloses a full-automatic sand casting molding machine, including the frame, set up in the admission line of frame one side, set up into sand mechanism and shaping compacting mechanism in the frame, set up in the mould conveying mechanism and the sand mould release mechanism of frame one side, the frame includes four stands and four guide pillars of roof, base, connection roof and base. Set up first hydro-cylinder on last gas storage storehouse, first hydro-cylinder drives the cope flask downstream, and the fifth hydro-cylinder drives the drag flask upward movement, makes cope flask and drag flask closure, carries out shaping and compaction work, has improved the compaction dynamics, and the compaction effect is better. Four stand columns are additionally arranged, the main supporting function is achieved, the guide columns can be independently used for installing a forming compaction mechanism, the auxiliary supporting function is achieved, and the stand columns and the guide columns act together to enable the whole equipment to be firmer and more stable.

Description

Full-automatic sand casting molding machine

Technical Field

The utility model relates to a sand casting technical field specifically is a full-automatic sand casting molding machine.

Background

The sand casting is a basic process of casting processing, the sand casting directly influences the casting forming effect of a final product, and a sand casting molding machine is large equipment of a sand casting process, but the existing sand casting molding machine has the following defects:

1. the guide pillar is used for installing the forming and compacting mechanism, firstly, the forming and compacting mechanism slides on the guide pillar for a long time, the guide pillar is easy to damage, and secondly, the guide pillar is also used for supporting the whole rack at the same time, so that the rack is not firm enough;

2. in the compaction process, the lower sand box is jacked up only through the lower side oil cylinder and is folded with the upper sand box, which is equivalent to one-way power supply, and the compaction effect is poor;

3. the lower elbow and the lower gas storage bin are castings, and then the lower elbow and the lower gas storage bin are connected together, so that the manufacturing period is long, the thickness of the casting material is large, the weight is large, the cost is high, and the installation error is large.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a full-automatic sand casting molding machine has the advantage that the frame is firm, the compaction is effectual, preparation cycle is short.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme:

a full-automatic sand casting molding machine comprises a rack, an air inlet pipeline arranged on one side of the rack, a sand inlet mechanism and a molding compaction mechanism which are arranged on the rack, and a mold conveying mechanism and a sand mold pushing mechanism which are arranged on one side of the rack, wherein the rack comprises a top plate, a base, four stand columns and four guide columns, wherein the four stand columns are used for connecting the top plate and the base; the air inlet pipeline comprises a main pipe arranged on one side of the rack, an on-off valve connected with the main pipe and six branch pipes sequentially connected with the main pipe from top to bottom; the sand feeding mechanism comprises a sand feeding funnel arranged on the top plate, an upper sand cylinder connected with the lower end of the sand feeding funnel, an upper elbow connected with the lower end of the upper sand cylinder, a lower sand cylinder connected with the lower end of the upper elbow, and a lower elbow connected with the lower end of the lower sand cylinder, wherein the lower elbow is connected with the base, and the upper sand cylinder, the upper elbow, the lower sand cylinder and the lower elbow are all connected with branch pipes; the forming and compacting mechanism comprises a first mounting seat, a second mounting seat, a third mounting seat, a fourth mounting seat and a fifth mounting seat which are in sliding connection with four guide pillars, wherein the upper side of the first mounting seat is connected with a first oil cylinder, the upper end of the first oil cylinder penetrates through the top plate and is positioned on the outer side of the top plate, and the lower side of the first mounting seat is connected with an upper air storage bin which can be communicated with an upper elbow; the second mounting seat is provided with a cope flask communicated with the upper gas storage bin, the lower side of the first mounting seat is connected with two second oil cylinders, and the output ends of the second oil cylinders are connected with the upper side of the second mounting seat; the third mounting seat is provided with a template frame, the lower side of the third mounting seat is connected with a third oil cylinder, and the lower end of the third oil cylinder is connected with the base; an auxiliary box is mounted on the fourth mounting seat, a fourth oil cylinder is connected to the lower side of the fourth mounting seat, and the lower end of the fourth oil cylinder is connected with the base; the upper side of the fifth mounting seat is connected with a lower sand box, the lower side of the lower sand box is communicated with a lower gas storage bin, the lower gas storage bin is welded and communicated with a lower elbow, the two sides of the lower end of the fifth mounting seat are connected with fifth oil cylinders, and the lower ends of the fifth oil cylinders are connected with the base.

Preferably, mould conveying mechanism includes the carriage, set up in the guide rail of carriage upper end both sides, with guide rail sliding connection's template dolly, the sixth hydro-cylinder of driving board dolly, template dolly upper end is equipped with the gyro wheel with guide rail sliding connection, the guide rail divide into two sections, and one of them section sets up on the carriage, and another section sets up on the template frame.

Preferably, the end part of the sixth oil cylinder is connected with a guide block, the guide block is connected with a pull rod, the end part of the template trolley is provided with a connecting block, the end part of the connecting block is provided with a concave opening matched with the pull rod, and the pull rod can be inserted from the concave opening at the lower end of the connecting block and prevent the template trolley from falling downwards; the lower end of the conveying support is provided with a guide rod which is vertical to the sixth oil cylinder, and the lower end of the guide block is connected with the guide rod in a sliding mode.

Preferably, the sand mold pushing mechanism comprises a pushing support, a seventh oil cylinder arranged on the pushing support, and a sand pushing plate connected with the seventh oil cylinder, and the pushing support is arranged on the lower side of the conveying support.

Preferably, the branch pipes comprise a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe, a fifth branch pipe and a sixth branch pipe, the first branch pipe is connected with the top of the upper air storage bin through a hose, the second branch pipe and the third branch pipe are connected with the upper sand cylinder, the fourth branch pipe is connected with the upper elbow, the fifth branch pipe is connected with the lower sand cylinder, the sixth branch pipe is connected with three branch pipes, one branch pipe is connected with the lower elbow, and the other two branch pipes are respectively connected with the lower air storage bin, the lower elbow and the position between the lower air storage bins.

Preferably, the branch pipes are provided with air valves.

Preferably, go up a sand section of thick bamboo upside and be connected with exhaust duct, the last discharge valve that is equipped with of exhaust duct, discharge valve is connected with an air exhaust muffler, go up the inside charge level indicator that is equipped with of a sand section of thick bamboo, be equipped with a blast pipe in the charge level indicator.

Preferably, the lower end of the inner wall of the cope flask is inclined outward to form a passage with a narrow top and a wide bottom, and the lower end of the inner wall of the auxiliary flask is inclined outward to form a passage with a narrow top and a wide bottom.

Advantageous effects

Compared with the prior art, the utility model provides a full-automatic sand casting molding machine possesses following beneficial effect:

1. set up first hydro-cylinder on last gas storage storehouse, first hydro-cylinder drives the cope flask downstream, makes cope flask and drag flask closure, carries out shaping and compaction work, has improved the compaction dynamics, and the compaction effect is better.

2. Four stands have been add, have played the main tributary and have supported the effect, and the guide pillar can be used for installing shaping compacting mechanism alone, plays the vice supporting role simultaneously, and the stand acts on with the guide pillar combined action, makes whole equipment more firm, stable, and the guide pillar can be dismantled moreover, easily changes.

3. The lower elbow and the lower gas storage bin are welded into a whole, the manufacturing period is short, the cost is low, the material thickness is reduced, the weight and the cost are reduced, and the installation error is reduced by adopting welding.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a view of the present invention from another direction;

FIG. 3 is a schematic structural view of the forming and compacting mechanism of the present invention;

FIG. 4 is a schematic structural view of the air inlet duct of the present invention;

FIG. 5 is a schematic view of the sand feeding mechanism of the present invention after being connected to the lower gas storage bin;

fig. 6 is a schematic structural view of the mold conveying mechanism and the sand mold ejecting mechanism of the present invention;

FIG. 7 is a cross-sectional view of the cope flask of the present invention;

FIG. 8 is a cross-sectional view of the auxiliary box of the present invention;

in the figure, 1-a frame, 11-a top plate, 12-a base, 13-a column, 14-a guide post, 2-an air inlet pipeline, 21-a main pipe, 22-an on-off valve, 23-a first branch pipe, 24-a second branch pipe, 25-a third branch pipe, 26-a fourth branch pipe, 27-a fifth branch pipe, 28-a sixth branch pipe, 29-a branch pipe, 3-a sand inlet mechanism, 31-a sand inlet funnel, 32-a sand feeding cylinder, 33-an upper elbow, 34-a sand discharging cylinder, 35-a lower elbow, a 4-a forming compaction mechanism, 401-a first mounting seat, 402-a second mounting seat, 402-a third mounting seat, 404-a fourth mounting seat, 405-a fifth mounting seat, 406-a first oil cylinder, 403-an upper air storage bin, 408-an upper sand box, 408-a fifth mounting box, 409-a second oil cylinder, 410-a template frame, 411-a third oil cylinder, 412-an auxiliary box, 413-a fourth oil cylinder, 414-a drag flask, 415-a lower gas storage bin, 416-a fifth oil cylinder, 5-a mold conveying mechanism, 51-a conveying support, 52-a guide rail, 53-a template trolley, 54-a sixth oil cylinder, 55-a roller, 56-a guide block, 57-a pull rod, 58-a connecting block, 59-a guide rod, 6-a sand mold pushing mechanism, 61-a pushing support, 62-a seventh oil cylinder, 63-a sand pushing plate, 7-an exhaust valve and 8-a level meter.

Detailed description of the preferred embodiment 2

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the full-automatic sand casting molding machine comprises a frame 1, an air inlet pipeline 2 arranged on one side of the frame 1, a sand feeding mechanism 3 and a molding compaction mechanism 4 arranged on the frame 1, and a mold conveying mechanism 5 and a sand mold ejecting mechanism 6 arranged on one side of the frame 1, wherein the frame comprises a top plate 11, a base 12, four upright posts 13 and four guide posts 14 which are connected with the top plate 11 and the base 12. By additionally arranging the four upright posts 13, the main supporting function is realized, the guide posts 14 can be independently used for installing the forming compaction mechanism 4, the auxiliary supporting function is realized, and the upright posts 13 and the guide posts 14 act together to ensure that the whole equipment is firmer and more stable.

Referring to fig. 1 and 5, the sand feeding mechanism 3 includes a sand feeding funnel 31 disposed on the top plate 11, an upper sand cylinder 32 connected to a lower end of the sand feeding funnel 31, an upper elbow 33 connected to a lower end of the upper sand cylinder 32, a lower sand cylinder 34 connected to a lower end of the upper elbow 33, and a lower elbow 35 connected to a lower end of the lower sand cylinder 34, wherein the lower elbow 35 is connected to the base 12.

Referring to fig. 1 and 3, the forming and compacting mechanism 4 includes a first mounting base 401, a second mounting base 402, a third mounting base 403, a fourth mounting base 404, and a fifth mounting base 405, which are slidably connected to four guide posts 14, wherein the upper side of the first mounting base 401 is connected to a first oil cylinder 406, the upper end of the first oil cylinder 406 passes through the top plate 11 and is located at the outer side thereof, and the lower side of the first mounting base 401 is connected to an upper air storage bin 407 which can be communicated with the upper elbow 33; the second mounting seat 402 is provided with a cope flask 408 communicated with an upper gas storage bin 407, the lower side of the first mounting seat 401 is connected with two second oil cylinders 409, and the output ends of the second oil cylinders 409 are connected with the upper side of the second mounting seat 402; the third mounting seat 403 is provided with a template frame 410, the lower side of the third mounting seat 43 is connected with a third oil cylinder 411, and the lower end of the third oil cylinder 411 is connected with the base 12; an auxiliary box 412 is installed on the fourth installation seat 404, a fourth oil cylinder 413 is connected to the lower side of the fourth installation seat 404, and the lower end of the fourth oil cylinder 413 is connected with the base 12; the upper side of the fifth mounting seat 405 is connected with a drag flask 414, the lower side of the drag flask 414 is communicated with a lower gas storage bin 415, the lower gas storage bin 415 is welded and communicated with the lower elbow 35, the two sides of the lower end of the fifth mounting seat 405 are connected with fifth oil cylinders 416, and the lower ends of the fifth oil cylinders 416 are connected with the base 12.

Set up first hydro-cylinder 406 on last gas storage bin 407, first hydro-cylinder 406 drives cope flask 408 downward motion, provides compaction power from top to bottom, and fifth hydro-cylinder 405 drives drag flask 414 upward motion realizes two-way power of providing, has improved the compaction dynamics, and the compaction effect is better. The lower elbow 35 and the lower gas storage bin 415 are welded into a whole, so that the manufacturing period is short, the cost is low, the material thickness is reduced, the weight and the cost are reduced, and the installation error is reduced by adopting welding.

Referring to fig. 2 and 4, the air inlet pipe 2 includes a main pipe 21 disposed at one side of the rack 1, an on-off valve 22 connected to the main pipe 21, and six branch pipes sequentially connected to the main pipe 21 from top to bottom, where the branch pipes include a first branch pipe 23, a second branch pipe 24, a third branch pipe 25, a fourth branch pipe 26, a fifth branch pipe 27, and a sixth branch pipe 28, the first branch pipe is connected to the top of the upper air storage bin 407 through a hose 23, the second branch pipe 24 and the third branch pipe 25 are connected to the upper sand tank 32, the fourth branch pipe 26 is connected to the upper elbow 33, the fifth branch pipe 27 is connected to the lower sand tank 34, the sixth branch pipe 28 is connected to three branch pipes 29, one branch pipe 29 is connected to the lower elbow 35, and the other two branch pipes 29 are respectively connected to the lower air storage bin 415, and the positions between the lower elbow 35 and the lower air storage bin 415.

Referring to fig. 6, the mold conveying mechanism 5 includes a conveying support 51, guide rails 52 disposed on two sides of the upper end of the conveying support 51, a plate forming trolley 53 slidably connected to the guide rails 52, and a sixth cylinder 54 of a driving plate trolley 53, wherein the upper end of the plate forming trolley 53 is provided with a roller 55 slidably connected to the guide rails 52, and the guide rails 52 are divided into two sections, one of which is disposed on the conveying support 51, and the other is disposed on the plate forming frame 410. The end part of the sixth oil cylinder 54 is connected with a guide block 56, the guide block 56 is connected with a pull rod 57, the end part of the template trolley 53 is provided with a connecting block 58, the end part of the connecting block 58 is provided with a concave opening matched with the pull rod 57, and the pull rod 57 can be inserted from the concave opening at the lower end of the connecting block 58 and prevent the template trolley 53 from falling off downwards; the lower end of the conveying bracket 51 is provided with a guide rod 59 which is vertical to the sixth oil cylinder 54, and the lower end of the guide block 56 is connected with the guide rod 59 in a sliding way.

The sand mold pushing mechanism 6 comprises a pushing support 61, a seventh oil cylinder 62 arranged on the pushing support 61, and a sand pushing plate 63 connected with the seventh oil cylinder 62, wherein the pushing support 61 is arranged on the lower side of the conveying support 51.

Go up a sand section of thick bamboo 32 upside and be connected with exhaust duct, the last discharge valve 7 that is equipped with of exhaust duct, discharge valve 7 is connected with an air exhaust muffler, goes up sand section of thick bamboo 32 inside and is equipped with a charge level indicator 8, is equipped with a blast pipe in the charge level indicator 8.

The utility model discloses an action order does: carrying a mould, adjusting the position of a box body, adding sand and spraying sand, molding and compacting, returning the mould, demoulding and pushing the sand. The specific process is as follows:

firstly, the mould is conveyed, the mould is erected in the hollow part of the middle part of the template trolley 53, the sixth oil cylinder 54 pushes the template trolley 53 to slide along the guide rail 52, and the template trolley 53 is provided with the roller 55, and the guide block 56 slides along the guide rod 59, so that the template trolley 53 can run more stably and quickly. At this time, the template frame 410 is located at an initial position, the initial position is a collinear horizontal position with the conveying support 51, a small section of guide rail with the same specification as the guide rail 52 on the conveying support 51 is arranged on the template frame 410, and the template trolley 53 moves onto the template frame 410 along with the extension of the sixth oil cylinder 54, so that the mold conveying step is completed.

Then, the box position is adjusted, the first oil cylinder 406 drives the first mounting seat 401 to move downwards, so that the upper air storage bin 407 and the cope flask 408 move downwards, and simultaneously the fifth oil cylinder 416 drives the fifth mounting seat 405 to move upwards for a short distance from an initial position (on the same horizontal line with the top of the pushing support 61), so that the drag flask 414 reaches a specified position, wherein a small part of the lower end of the drag flask 414 is positioned in the lower air storage bin, so that the lower air storage bin 415 and the drag flask 414 are still communicated after the drag flask 414 rises; then the third oil cylinder 411 drives the template frame 410 to descend, the fourth oil cylinder 413 drives the auxiliary box 412 to descend synchronously until the upper end face of the drag flask 414 contacts with the lower end face of the auxiliary box 412, then the first oil cylinder 406 continues to drive the lower air storage bin 407 to be in butt joint with the upper elbow 33 to reach a sand blasting position, at the moment, the lower end face of the cope flask 408 just contacts with a mold in a template trolley on the template frame, and all the flask bodies are closed.

After the position of the box body is adjusted, sand is added and blasted, sand enters the upper sand cylinder 32 and the lower sand cylinder 34 from the sand inlet hopper 31, then enters the air inlet pipe 2, blows air to the upper air storage 407 bin through the first branch pipe 23, blows air to the upper sand cylinder 32 through the second branch pipe 24 and the third branch pipe 25, blows air to the upper elbow 33 through the fourth branch pipe 26, blows air to the lower sand cylinder 34 through the fifth branch pipe 27, blows air to the lower elbow 35 through one branch pipe 29 in the sixth branch pipe 28, blows air to the lower air storage 415 through one branch pipe 29, blows air to the part between the lower elbow 35 and the lower air storage 415 through one branch pipe 29, blows sand into the upper air storage 407 and the lower air storage 415 respectively, and is sprayed out from the sand blasting ports of the upper air storage 407 and the lower air storage 415, and performs sand blasting in the upper sand box 408 and the auxiliary box 412.

After the sand blasting is finished, the sand mold is further compacted, at the moment, the air inlet pipeline 2 stops air inlet, the exhaust valve 7 is opened, the internal high-pressure air is exhausted, the first oil cylinder 406 further drives the cope flask 408 to press the internal sand mold, and when the preset pressure value is reached, the first oil cylinder 406 stops feeding.

After compaction, returning the mould, keeping the fourth oil cylinder 413 still, driving the cope flask 408 to slowly rise by the first oil cylinder 406, driving the template frame 410 to rise to the initial position by the third oil cylinder 411, namely, to be at the same horizontal line position with the conveying support 51, connecting the template trolley 53 on the template frame 410 with the pull rod 57 through the concave opening on the connecting block 58, and then pulling out the template trolley 53 by the sixth oil cylinder 54 to return to the conveying support 51, thereby returning the mould.

After the mold is withdrawn, demolding and sand pushing are carried out, the first oil cylinder 406 drives the cope flask 407 to descend, the cope flask 407 is in contact with the auxiliary box 412 due to the fact that the pattern plate trolley 53 is withdrawn, the sand molds in the cope flask 407 and the auxiliary box 412 are in contact, then the first oil cylinder 406 drives the cope flask 408 to ascend quickly, the sand mold in the cope flask 408 is made to fall off, the fourth oil cylinder 413 ascends synchronously, the sand mold in the auxiliary box 412 is made to fall off and fall on the upper end face of the drag flask 414, then the fifth oil cylinder 416 drives the drag flask 414 to descend to the initial position and to be on the same horizontal line with the top of the pushing support 61, and then the seventh oil cylinder 62 drives the sand pushing plate 63 to push out the sand mold.

Referring to FIGS. 7 to 8, the lower end of the inner wall of the cope flask 408 is inclined outward to form a passage having a narrow top and a wide bottom, and the lower end of the inner wall of the auxiliary tank 412 is inclined outward to form a passage having a narrow top and a wide bottom. When the cope flask 408 and the auxiliary flask 412 are raised quickly, the sand mold is easily dropped from the cope flask 408 and the auxiliary flask 412 to fall on the upper end surface of the drag flask 414 so that the sand pushing plate 63 is pushed out due to the instantaneous large lifting force and the narrow upper and wide lower inner walls of the two.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A full-automatic sand casting molding machine is characterized by comprising a rack, an air inlet pipeline arranged on one side of the rack, a sand inlet mechanism and a molding compaction mechanism which are arranged on the rack, and a mold conveying mechanism and a sand mold pushing-out mechanism which are arranged on one side of the rack, wherein the rack comprises a top plate, a base, four stand columns and four guide columns, wherein the four stand columns are used for connecting the top plate and the base;

the air inlet pipeline comprises a main pipe arranged on one side of the rack, an on-off valve connected with the main pipe and six branch pipes sequentially connected with the main pipe from top to bottom;

the sand feeding mechanism comprises a sand feeding funnel arranged on the top plate, an upper sand cylinder connected with the lower end of the sand feeding funnel, an upper elbow connected with the lower end of the upper sand cylinder, a lower sand cylinder connected with the lower end of the upper elbow, and a lower elbow connected with the lower end of the lower sand cylinder, wherein the lower elbow is connected with the base, and the upper sand cylinder, the upper elbow, the lower sand cylinder and the lower elbow are all connected with branch pipes;

the forming and compacting mechanism comprises a first mounting seat, a second mounting seat, a third mounting seat, a fourth mounting seat and a fifth mounting seat which are in sliding connection with four guide pillars, wherein the upper side of the first mounting seat is connected with a first oil cylinder, the upper end of the first oil cylinder penetrates through the top plate and is positioned on the outer side of the top plate, and the lower side of the first mounting seat is connected with an upper air storage bin which can be communicated with an upper elbow; the second mounting seat is provided with a cope flask communicated with the upper gas storage bin, the lower side of the first mounting seat is connected with two second oil cylinders, and the output ends of the second oil cylinders are connected with the upper side of the second mounting seat; the third mounting seat is provided with a template frame, the lower side of the third mounting seat is connected with a third oil cylinder, and the lower end of the third oil cylinder is connected with the base; an auxiliary box is mounted on the fourth mounting seat, a fourth oil cylinder is connected to the lower side of the fourth mounting seat, and the lower end of the fourth oil cylinder is connected with the base; the upper side of the fifth mounting seat is connected with a lower sand box, the lower side of the lower sand box is communicated with a lower gas storage bin, the lower gas storage bin is welded and communicated with a lower elbow, the two sides of the lower end of the fifth mounting seat are connected with fifth oil cylinders, and the lower ends of the fifth oil cylinders are connected with the base.

2. The full-automatic sand casting molding machine according to claim 1, wherein the mold conveying mechanism comprises a conveying support, guide rails arranged on two sides of the upper end of the conveying support, a plate trolley connected with the guide rails in a sliding manner, and a sixth oil cylinder of a driving plate trolley, wherein the upper end of the plate trolley is provided with a roller connected with the guide rails in a sliding manner, the guide rails are divided into two sections, one section of the guide rails is arranged on the conveying support, and the other section of the guide rails is arranged on the plate frame.

3. The full-automatic sand casting molding machine according to claim 2, wherein the end of the sixth oil cylinder is connected with a guide block, a pull rod is connected to the guide block, a connecting block is arranged at the end of the template trolley, a concave opening matched with the pull rod is arranged at the end of the connecting block, the pull rod can be inserted from the concave opening at the lower end of the connecting block, and the template trolley is prevented from falling downwards; the lower end of the conveying support is provided with a guide rod which is vertical to the sixth oil cylinder, and the lower end of the guide block is connected with the guide rod in a sliding mode.

4. The full-automatic sand casting molding machine according to claim 1, wherein the sand mold pushing mechanism comprises a pushing support, a seventh oil cylinder arranged on the pushing support, and a sand pushing plate connected with the seventh oil cylinder, and the pushing support is arranged on the lower side of the conveying support.

5. The full-automatic sand casting molding machine according to claim 1, wherein the branch pipes comprise a first branch pipe, a second branch pipe, a third branch pipe, a fourth branch pipe, a fifth branch pipe and a sixth branch pipe, the first branch pipe is connected with the top of the upper air storage bin through a hose, the second branch pipe and the third branch pipe are connected with the upper sand cylinder, the fourth branch pipe is connected with the upper elbow, the fifth branch pipe is connected with the lower sand cylinder, the sixth branch pipe is connected with three branch pipes, one branch pipe is connected with the lower elbow, and the other two branch pipes are respectively connected with the lower air storage bin and the position between the lower elbow and the lower air storage bin.

6. The machine according to claim 1, wherein the manifolds each have a gas valve.

7. The full-automatic sand casting molding machine according to claim 1, wherein an exhaust pipeline is connected to the upper side of the upper sand cylinder, an exhaust valve is arranged on the exhaust pipeline, the exhaust valve is connected with an air exhaust silencer, a material level meter is arranged inside the upper sand cylinder, and an air blowing pipe is arranged inside the material level meter.

8. A fully automatic sand casting molding machine as claimed in claim 1 wherein the lower end of the inner wall of the cope flask is inclined outwardly to form a passage that is narrow at the top and wide at the bottom, and the lower end of the inner wall of the auxiliary flask is inclined outwardly to form a passage that is narrow at the top and wide at the bottom.