CN210817364U

CN210817364U - Automatic conveying mechanism of sand box

Info

Publication number: CN210817364U
Application number: CN201921651548.7U
Authority: CN
Inventors: 张士荣
Original assignee: Changzhou Chengwei Casting Co ltd
Current assignee: Changzhou Chengwei Casting Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-06-23
Anticipated expiration: 2029-09-29

Abstract

The utility model belongs to the technical field of the technique of casting production and specifically relates to an automatic transportation mechanism of sand box is related to, including setting up at the knockout track of knockout mechanism below and setting up at knockout mechanism one side and perpendicular to knockout orbital transportation track, be provided with the sliding cart of placing the sand box on the transportation track, sliding cart bottom is provided with a plurality of gyro wheels, the bottom of sliding cart is provided with drive roller pivoted driving motor, the top surface of sliding cart is provided with and supplies sand box horizontal migration to knockout orbital lapse track, lapse track flushes with the knockout track mutually, one side that the orbital of knockout was kept away from to the transportation track is provided with the pneumatic cylinder towards knockout mechanism propelling movement sand box. The utility model discloses have the automatic transportation sand box, reduce the manpower and use, improve the effect of sand box conveying efficiency.

Description

Automatic conveying mechanism of sand box

Technical Field

The utility model belongs to the technical field of the technique of casting production and specifically relates to an automatic conveying mechanism of sand box is related to.

Background

Casting is a method in which liquid metal is cast into a casting cavity that conforms to the shape of a part, and after it is cooled and solidified, a part or a blank is obtained. The materials of the common casting mold are raw sand, clay, water glass, resin and other auxiliary materials. The casting mould for special casting comprises: lost foam casting (also called solid casting) is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes with castings to form model clusters, coating refractory paint on the model clusters, drying the model clusters, burying the model clusters in dry quartz sand for vibration molding, pouring the model under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling to form the castings.

In the lost foam casting process, the manufactured model is required to be placed in a sand box and conveyed to a shakeout mechanism, the sand box is filled with quartz sand through manual operation, the sand box is required to be manually operated and transferred frequently in the process of conveying the sand box, and the transfer efficiency is very low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an automatic transportation mechanism of sand box has the automatic transportation sand box, reduces the manpower and uses, improves the effect of sand box conveying efficiency.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides an automatic transportation mechanism of sand box, is including setting up the knockout track in knockout mechanism below and setting up the transportation track in knockout mechanism one side and perpendicular to knockout track, be provided with the sliding cart of placing the sand box on the transportation track, sliding cart bottom is provided with a plurality of gyro wheels, the bottom of sliding cart is provided with drive roller pivoted driving motor, the top surface of sliding cart is provided with the lapse track that supplies sand box horizontal migration to knockout track, the lapse track flushes with the knockout track mutually, one side that the transportation track kept away from the knockout track is provided with the pneumatic cylinder towards knockout mechanism propelling movement sand box.

Through adopting above-mentioned technical scheme, the disappearance mould that will make is placed sliding in the sand box of transportation track, start driving motor drives the gyro wheel and rotates, thereby the drive glider bears the sand box and moves on the transportation track, after the glider moved to the orbital position of shakeout and the butt joint of lapse track and shakeout track, start the pneumatic cylinder along lapse track towards the sand box of shakeout track propelling movement, thereby make the sand box move to shakeout mechanism below and carry out follow-up sand filling process, be favorable to replacing manpower transportation sand box, realize the automation of transportation sand box, the transport efficiency is improved.

The utility model discloses further set up to: the rollers are four and are respectively attached to the top surface of the transportation rail, and the driving motors are two and the output ends of the driving motors are fixedly connected with the rotating centers of the rollers.

Through adopting above-mentioned technical scheme, the gyro wheel sets up four along the length direction of transportation track, and a plurality of gyro wheels are favorable to increasing the frictional force that the gyro wheel rolled the production on the transportation track in the transportation, when bearing weight was too big in the sand box, reduce the possibility that the gyro wheel skidded.

The utility model discloses further set up to: the bottom of the sliding trolley is provided with a plurality of positioning seats along the length direction of the transportation track, a pair of horizontally rotating positioning wheels are connected to the positioning seats in a rotating mode, and the positioning wheels are matched with a single track for clamping the transportation track.

Through adopting above-mentioned technical scheme, when the car that slides along the transportation track in-process, a plurality of to locating wheel centre gripping transportation track's single track respectively and roll on transportation track's single track, be favorable to improving the stability that the car that slides moved on transportation track, reduce the possibility that the car that slides deviates from the transportation track.

The utility model discloses further set up to: the bottom of the sliding vehicle is connected with a drag chain for the lead to be placed in, and the drag chain is placed along the length direction of the conveying track.

Through adopting above-mentioned technical scheme, connect the tow chain in the bottom of the car that slides and penetrate the tow chain with the wire, when the car that slides along transportation track reciprocating motion, the wire is protected by the tow chain, is favorable to reducing the wire and follows the car that slides and make a round trip to turn back and cause the possibility of wearing off, the reinforcing is to the protection of wire.

The utility model discloses further set up to: and a limiting groove for placing the drag chain is formed between the transportation tracks along the length direction of the transportation tracks.

Through adopting above-mentioned technical scheme, arrange the tow chain in the spacing inslot, when the car that slides along transportation track reciprocating motion, the tow chain is restricted and is rolled over in the spacing inslot and open up, reduces the tow chain and flees and interfere the possibility of car motion that slides, improves the tow chain and sets up stability.

The utility model discloses further set up to: and two side surfaces of the sliding vehicle facing the length direction of the transportation track are respectively provided with a stop block.

Through adopting above-mentioned technical scheme, when the car that slides along the position of transporting rail motion to butt joint with the shakeout track, the driving motor still has inertia forward motion after stopping, and the end wall of stopping piece striking transportation track transportation end is in order to stop the car that slides this moment to be favorable to avoiding the car that slides rigidity striking end wall, reduce because the rigidity striking causes the possibility that the sand box drops.

The utility model discloses further set up to: and one end of the top surface of the pushing track, which is close to the hydraulic cylinder, is provided with a limiting strip.

Through adopting above-mentioned technical scheme, when the car motion in-process that slides, the sand box slides all the time on the lapse track of car top surface that slides, and spacing is favorable to restricting the sand box and slides towards the pneumatic cylinder direction, improves the stability of sand box in the transportation.

The utility model discloses further set up to: and a pushing and connecting block which is butted with a piston rod of the hydraulic cylinder is arranged on the side wall of the sand box facing the hydraulic cylinder.

Through adopting above-mentioned technical scheme, when the car that slides transported the sand box with the position of knockout track butt joint, the drive pneumatic cylinder promotes the sand box towards the knockout track, and the piston rod striking of pneumatic cylinder pushes away the piece, is favorable to avoiding the piston rod directly to strike the sand box body and causes violent vibrations, improves the protection of placing the model to the sand box inside.

The utility model discloses further set up to: and two side walls of the sand box towards the length direction of the shakeout rail are respectively provided with a damping block.

Through adopting above-mentioned technical scheme, when sliding on the knockout track and having a plurality of flasks, promote forward through striking each other between flask and the flask, connect the thrust collision mutually through the snubber block between the flask, reduce the impact of collision to the flask inside, improve the protection to the inside model of flask.

To sum up, the utility model discloses a beneficial technological effect does:

1. the manufactured lost foam is placed in a sand box sliding on a transportation rail, a driving motor is started to drive a roller to rotate, so that a sliding trolley is driven to bear the sand box to move on the transportation rail, and after the sliding trolley moves to the position of a shakeout rail and the pushing rail is in butt joint with the shakeout rail, a hydraulic cylinder is started to push the sand box towards the shakeout rail along the pushing rail, so that the sand box moves below a shakeout mechanism and a subsequent sand filling process is performed, the sand box is favorably replaced with manual transportation, the automation of sand box transportation is realized, and the transportation efficiency is improved;

2. when the sliding vehicle slides along the transportation track, the positioning wheels respectively clamp the single rail of the transportation track and roll on the single rail of the transportation track, so that the stability of the sliding vehicle moving on the transportation track is improved, and the possibility of the sliding vehicle deviating from the transportation track is reduced;

3. when the sliding vehicle moves to the position in butt joint with the shakeout rail along the transportation rail, the sliding vehicle still has inertia to move forward after the driving motor stops, and the stopping block impacts the end wall of the transportation rail at the end of transportation to stop the sliding vehicle, so that the rigid impact on the end wall of the sliding vehicle is avoided, and the possibility that the sand box falls off due to rigid impact is reduced.

Drawings

Fig. 1 is a schematic structural view of the transportation mechanism embodying the entirety of the present embodiment.

Fig. 2 is a partial sectional view for embodying the slide cart and the flask in this embodiment.

Fig. 3 is an enlarged view at a in fig. 2 for embodying the structure of the driving motor, the roller, and the positioning wheel.

Fig. 4 is an enlarged view of B in fig. 2 to show the structure of the pushing rail and the stopper bar.

In the figure, 1, a transportation track; 11. a limiting groove; 2. a shakeout track; 3. a slipping vehicle; 31. pushing the rail; 32. a roller; 33. a drive motor; 34. a rotating seat; 35. positioning seats; 36. positioning wheels; 37. a stop block; 38. a limiting strip; 4. a hydraulic cylinder; 41. a guide bar; 42. a fixed mount; 43. a support table; 5. a drag chain; 6. a sand box; 61. a push-on block; 62. a damper block; 63. a moving wheel; 64. a wheel seat; 7. a shakeout mechanism; 71. a sand storage bin; 72. and (4) a bracket.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the automatic sand box transportation mechanism disclosed by the present invention, comprising a shakeout track 2 disposed on the ground below a shakeout mechanism 7 and a transportation track 1 disposed on the ground at one end of the shakeout track 2 far from the shakeout mechanism 7 and perpendicular to the shakeout track 2, wherein the shakeout mechanism 7 comprises a sand storage 71 erected by a support 72, a sand outlet is disposed below the sand storage 71, a sliding cart 3 for moving a sand box 6 is slidably moved on the transportation track 1, two rows of four rotation seats 34 are fixed on the bottom of the sliding cart 3 along the length direction of the transportation track 1, the rotation seats 34 are rotatably connected with rollers 32, wherein a driving motor 33 is fixed on one side of two rotation seats 34, the driving motor 33 drives the rotation center of the output end fixedly connected with the rollers 32, the rollers 32 simultaneously rotate on the top surface of the transportation track 1, so as to increase the friction force generated by the rollers 32 rolling on the transportation track 1 during transportation, when the load capacity in the sand box 6 is too large, the possibility of the rollers 32 slipping is reduced; a pushing track 31 is fixedly arranged on the top surface of the sliding trolley 3 in parallel with the shakeout track 2, the pushing track 31 is flush with the shakeout track 2, when the sliding trolley 3 moves to one end, close to the transportation track 1, of the shakeout track 2, the pushing track 31 is in butt joint with the shakeout track 2, a support table 43 is fixedly arranged on the ground of one side, far away from the shakeout track 2, of the transportation track 1, a fixed frame 42 is fixed on the support table 43, a hydraulic cylinder 4 with a piston rod horizontally facing the sand box 6 is fixedly arranged on the fixed frame 42, and a guide rod 41 for guiding the piston rod of the hydraulic cylinder 4 is arranged on; the lost foam that will make is placed in sand box 6, start driving motor 33 and drive gyro wheel 32 and rotate, thereby drive slide car 3 bears the sand box 6 and moves on transportation track 1, after slide car 3 moved the position of knockout track 2 and lapse track 31 and knockout track 2 butt joint, start hydraulic cylinder 4 along lapse track 31 towards knockout track 2 propelling movement sand box 6, thereby make sand box 6 move to knockout mechanism below and carry out follow-up sand-filling process, be favorable to replacing manpower transportation sand box 6, realize the automation of transportation sand box 6, transportation efficiency has been improved.

Referring to fig. 3, two pairs of positioning seats 35 are respectively arranged at the bottom of the sliding trolley 3 and at the same axial line position of the two single tracks of the transportation track 1, the pair of positioning seats 35 are sequentially arranged along the length direction of the transportation track 1 and are respectively close to two end faces of the sliding trolley 3 in the moving direction, a pair of horizontally rotating positioning wheels 36 is rotatably connected to the positioning seats 35, and the pair of positioning wheels 36 is matched with and clamps the single tracks of the transportation track 1 in the moving process of the sliding trolley 3; when the sliding vehicle 3 slides along the transportation track 1, the positioning wheels 36 on the two pairs of positioning seats 35 respectively clamp the single track of the transportation track 1 and roll on the single track of the transportation track 1, so that the possibility that the sliding vehicle deviates from the transportation track 1 in the moving process is reduced, and the stability of the sliding vehicle 3 moving on the transportation track 1 is improved.

Referring to fig. 2, a limiting groove 11 is formed in the ground in the middle of the transportation track 1 along the length direction of the transportation track 1, the bottom of the sliding vehicle 3 is connected with a drag chain 5, a lead (not shown in the figure) for connecting a driving motor 33 is placed in the drag chain 5, and the drag chain 5 is folded in the limiting groove 11; when the car 3 that slides under driving motor 33's drive along transportation track 1 reciprocating motion, the wire is protected by tow chain 5 and is not received ground and the wearing and tearing of car 3 that slides, reduce the wire and follow the possibility that car 3 that slides makes a round trip to turn back and cause the break-through, the reinforcing is to the protection of wire, tow chain 5 is restricted at the inslot by spacing groove 11 simultaneously, tow chain 5 follows the 3 motion in-process of car that slides, reduce tow chain 5 and scurry out spacing groove 11 and interfere the possibility of car 3 motions that slides, it sets up stability to improve tow chain 5.

Referring to fig. 2, two cylindrical stopping blocks 37 are respectively arranged on two side surfaces of the sliding vehicle 3 in the moving direction, when the sliding vehicle 3 moves to the position in butt joint with the shakeout rail 2 along the transportation rail 1, the sliding vehicle 3 approaches to the end wall of the transportation rail 1, the sliding vehicle 3 still has inertia to move forward after the driving motor 33 stops, the stopping blocks 37 impact the end wall of the transportation rail 1 to stop the sliding vehicle 3, which is beneficial to preventing the sliding vehicle 3 from rigidly impacting the end wall of the transportation rail 1, and reducing the possibility that the sand box 6 falls off due to rigid impact.

Referring to fig. 4, a limit strip 38 is fixed to one end of the top surface of the push rail 31, which is close to the hydraulic cylinder 4, along the length direction of the push rail 31, when the sliding cart 3 moves, the sand box 6 slides on the push rail 31 and is limited by the limit strip 38 to slide to one side of the push rail 31, and when the sand box 6 is conveyed to the output end of the hydraulic cylinder 4 (refer to fig. 1) by the sliding cart 3, the sand box 6 is favorably limited from sliding towards the hydraulic cylinder 4, and the stability of the sand box 6 during transportation is improved.

Referring to fig. 1 and 2, a push-connection block 61 which is in equal-height butt joint with a piston rod of the hydraulic cylinder 4 is arranged on a side wall of the sand box 6 facing the hydraulic cylinder 4, when the sand box 6 moves on the push rail 31 and the shakeout rail 2, the sand box 6 which is transported to the shakeout mechanism 7 exists on the shakeout rail 2, two damping blocks 62 are respectively arranged on two side walls of the sand box 6 along the length direction of the push rail 31, and the damping blocks 62 are positioned above the push-connection block 61; when the sliding trolley 3 conveys the sand box 6 to the position in butt joint with the sand shakeout rail 2, the hydraulic cylinder 4 is driven to push the sand box 6 towards the sand shakeout rail 2, the piston rod of the hydraulic cylinder 4 impacts the pushing block 61, so that severe vibration of the sand box 6 caused by the fact that the piston rod of the hydraulic cylinder 4 directly impacts the body of the sand box 6 is avoided, protection of a model placed in the sand box 6 is improved, when the sand box 6 and the sand box 6 are pushed forwards through mutual impact, the sand boxes 6 are in butt joint and push collision through the shock absorption block 62, impact of collision on the interior of the sand box 6 is reduced, and protection of the model in the sand.

The implementation principle of the embodiment is as follows: the lost foam that will make is placed in sand box 6, start driving motor 33 and drive gyro wheel 32 and rotate, and then drive slide carriage 3 and transport sand box 6 along transportation track 1, when slide carriage 3 moved the one end of knockout track 2, lapse track 31 and knockout track 2 butt joint, start hydraulic cylinder 4 along lapse track 31 towards knockout track 2 propelling movement sand box 6, make sand box 6 remove to the sand outlet of knockout mechanism below, operating personnel carries out follow-up sand filling process, be favorable to replacing manpower transportation sand box 6, realize the automation of transporting sand box 6, and the transport efficiency is improved.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an automatic conveying mechanism of sand box which characterized in that: the sand shakeout mechanism comprises a shakeout track (2) arranged below the shakeout mechanism (7) and a transportation track (1) arranged on one side of the shakeout mechanism (7) and perpendicular to the shakeout track (2), wherein a sliding vehicle (3) for placing a sand box (6) is arranged on the transportation track (1), a plurality of rollers (32) are arranged at the bottom of the sliding vehicle (3), a driving motor (33) for driving the rollers (32) to rotate is arranged at the bottom of the sliding vehicle (3), a pushing track (31) for the sand box (6) to horizontally move to the shakeout track (2) is arranged on the top surface of the sliding vehicle (3), the pushing track (31) is flushed with the shakeout track (2), and a hydraulic cylinder (4) for pushing the sand box (6) towards the shakeout mechanism (7) is arranged on one side, far away from the shakeout track (2), of.

2. The automatic conveying mechanism for molding flasks of claim 1, wherein: the rollers (32) are four and are respectively attached to the top surface of the conveying track (1), and the driving motors (33) are two and the output ends of the driving motors (33) are fixedly connected with the rotating centers of the rollers (32).

3. The automatic conveying mechanism for molding flasks of claim 1, wherein: a plurality of positioning seats (35) are arranged at the bottom of the sliding trolley (3) along the length direction of the transportation track (1), a pair of horizontally-rotating positioning wheels (36) are connected to the positioning seats (35) in a rotating mode, and the positioning wheels (36) are matched with a single rail for clamping the transportation track (1).

4. The automatic conveying mechanism for molding flasks of claim 1, wherein: the bottom of the sliding vehicle (3) is connected with a drag chain (5) for the lead to be placed in, and the drag chain (5) is placed along the length direction of the conveying track (1).

5. The automatic conveying mechanism for molding boxes according to claim 4, wherein: spacing grooves (11) for placing the drag chains (5) are formed between the conveying tracks (1) along the length direction of the conveying tracks (1).

6. The automatic conveying mechanism for molding boxes according to claim 4, wherein: and two side surfaces of the sliding vehicle (3) facing the length direction of the transportation track (1) are respectively provided with a stop block (37).

7. The automatic conveying mechanism for molding flasks of claim 1, wherein: and a limiting strip (38) is arranged at one end, close to the hydraulic cylinder (4), of the top surface of the pushing track (31).

8. The automatic conveying mechanism for molding flasks of claim 1, wherein: and a pushing block (61) for butting a piston rod of the hydraulic cylinder (4) is arranged on the side wall of the sand box (6) facing the hydraulic cylinder (4).

9. The automatic conveying mechanism for molding flasks of claim 1, wherein: and two side walls of the sand box (6) facing the length direction of the shakeout rail (2) are respectively provided with a damping block (62).