CN221092813U - Transfer device of psammitolite tray - Google Patents

Abstract

The application discloses a transfer device of a sand core tray, and relates to the technical field of sand core manufacturing. The application relates to a transfer device of a sand core tray, which comprises two transfer units arranged side by side, wherein each transfer unit comprises a frame, a first conveying mechanism and a lifting mechanism, each lifting mechanism comprises two lifting frames which can be lifted and translated and are arranged on the frame, a lifting assembly for driving the two lifting frames to lift and a translation assembly for driving the two lifting frames to move, and the two lifting frames are respectively and symmetrically arranged on two sides of the first conveying mechanism, and the arrangement direction of the two lifting frames is perpendicular to the conveying direction of the first conveying mechanism. According to the transfer device, the two lifting frames can separate the stacked sand core trays or stack the loaded sand core trays under the cooperation of the translational motion and the lifting motion, so that the turnover efficiency of the sand core trays can be effectively improved, and the labor cost is saved.

Description

Transfer device of psammitolite tray

Technical Field

The application relates to the field of sand core manufacturing, in particular to a transfer device of a sand core tray.

Background

Currently, after the completion of the core manufacture, it is often necessary to load the core with a core tray, and then to use a transport cart to effect the turnover of the core tray. In order to improve the turnover efficiency of the sand core tray, a plurality of sand core trays are usually stacked in one transportation trolley. But the sand core tray of stacking can't directly load the sand core, therefore need the manual work to separate a plurality of sand core trays of stacking before loading, the manual work stacks a plurality of sand core trays in the dolly after loading is accomplished again, so not only waste time and energy, very big reduction the turnover efficiency of sand core tray moreover, and then influenced the whole preparation efficiency of sand core.

Disclosure of utility model

In order to overcome the defects in the prior art, the application provides a transfer device for a sand core tray.

The application provides a transfer device which adopts the following technical scheme:

The utility model provides a transfer device of psammitolite tray, includes at least one transfer unit, transfer unit includes frame, first transport mechanism and elevating system, elevating system includes two liftable locate the hoisting frame in the frame, be used for driving two hoisting frame lift's lifting unit, two hoisting frames symmetry respectively locate first transport mechanism both sides and both arrange the direction with the direction of delivery of first transport mechanism is mutually perpendicular, two hoisting frames along the mobilizable setting of the direction that is close to each other or keep away from, elevating system still including being used for driving two hoisting frame removal translation subassembly.

Through adopting above-mentioned technical scheme, two lifting frames can separate a plurality of psammitolite trays of stacking under its translational motion and elevating motion's cooperation, or pile up a plurality of psammitolite trays of loading completion, not only can effectually promote the turnover efficiency of psammitolite tray, practiced thrift the human cost moreover.

In a specific embodiment, the lifting frame comprises a frame body extending along the conveying direction of the first conveying mechanism, and a plurality of lifting plates arranged on the frame body at intervals along the extending direction of the frame body, wherein each lifting plate comprises a first plate body and a second plate body which are arranged in an L shape, the first plate body is arranged along the vertical direction and is blocked at the side part of the sand core tray, and the second plate body is horizontally arranged and supported at the bottom of the sand core tray.

Through adopting above-mentioned technical scheme, two second plates can support respectively in the bottom both sides of psammitolite tray, and two first plates can keep out respectively in the both sides portion of psammitolite tray, have improved the promotion stability of hoisting frame, avoid the psammitolite tray to drop at the in-process that promotes.

In a specific implementation manner, the lifting assembly comprises a lifting seat which is arranged on the frame in a lifting manner, a first rotating rod which is rotatably arranged above the lifting seat around the direction of the self axis, a first driving module which is used for driving the first rotating rod to rotate, and a first transmission structure which is arranged between the first rotating rod and the lifting seat, wherein the first rotating rod extends along the horizontal direction, and the first transmission structure comprises a chain wheel which is arranged on the first rotating rod, and chains of which the two ends are respectively connected with the chain wheel and the lifting seat.

Through adopting above-mentioned technical scheme for the lifting seat can realize going up and down through the cooperation of sprocket and chain, the effectual stability that promotes the lift.

In a specific implementation manner, the length direction of the lifting seat is perpendicular to the conveying direction of the first conveying mechanism, the translation assembly comprises two sliding seats slidably arranged on the lifting seat along the length direction of the lifting seat, and a second transmission structure for driving the sliding seats to slide, and the two lifting frames are in one-to-one correspondence with and are connected with the two sliding seats.

Through adopting above-mentioned technical scheme for two sliding seats can realize the translation through the second transmission structure, the effectual stability that promotes the translation.

In a specific implementation manner, the second transmission structure comprises two racks respectively connected with the two sliding seats in a corresponding manner, a gear rotatably arranged on the lifting seat around the vertical direction, and a second driving module for driving the gear to rotate, wherein the arrangement direction of the two racks is perpendicular to the sliding direction of the two sliding seats, the gear is positioned between the two racks, and tooth surfaces of the two racks are oppositely arranged and are meshed with the gear.

Through adopting above-mentioned technical scheme, two sliding seats can synchronous motion under rack and pinion's cooperation for two hoisting frames can draw close or keep away from in step, the effectual centre gripping stability of two hoisting frames to the psammitolite tray that has promoted.

In a specific embodiment, the first conveying mechanism includes two first conveying belts parallel to each other, and a third driving module for driving the two first conveying belts to run synchronously, and the two lifting frames are respectively located at one sides of the two first conveying belts away from each other.

Through adopting above-mentioned technical scheme for both sides of psammitolite tray can support respectively on two first conveyer belts, promoted the conveying stability of psammitolite tray.

In a specific embodiment, the transferring device further includes a second conveying mechanism, the transferring units are plural, plural first conveying mechanisms forming the plural transferring units are arranged at intervals along the extending direction of the second conveying mechanism, the conveying direction of the first conveying mechanism is perpendicular to the conveying direction of the second conveying mechanism, the tail end of each first conveying mechanism in the conveying direction is located at one side of the second conveying mechanism, and the conveying surface of the first conveying mechanism is the same as the conveying surface of the second conveying mechanism in height.

By adopting the technical scheme, the plurality of transferring units can transfer a plurality of groups of sand core trays, so that the transferring efficiency of the sand core trays is improved; and the second conveying mechanism can realize the folding and steering of a plurality of groups of sand core trays, so that the plurality of groups of sand core trays can be orderly transferred to the sand cores and loaded, and the loading efficiency of the sand cores is improved.

In a specific implementation manner, the second conveying mechanism comprises a conveying frame, two second conveying belts which are parallel to each other and arranged on two sides of the conveying frame, and a fourth driving module which is used for driving the two second conveying belts to synchronously run, a plurality of transition rollers are arranged between the two second conveying belts, the transition rollers extend along the conveying direction of the second conveying mechanism, each transition roller is respectively arranged rotatably around the axis direction of the second conveying mechanism, and the second conveying mechanism further comprises a fifth driving module which is used for driving the transition rollers to synchronously rotate.

Through adopting above-mentioned technical scheme, many transition rollers can transfer the terminal psammitolite tray of first transport mechanism to second transport mechanism on to can realize the transfer of psammitolite tray between first transport mechanism and second transport mechanism.

In a specific embodiment, a plurality of separators are arranged on the conveying frame at intervals along the conveying direction of the second conveying mechanism, the separators extend along the arrangement direction of the two second conveying belts, the plurality of separators divide the second conveying mechanism into a plurality of conveying units, the plurality of conveying units are in one-to-one correspondence with the plurality of first conveying mechanisms, and the tail end of each conveying direction of the first conveying mechanism is located at the side part of the corresponding conveying unit.

Through adopting above-mentioned technical scheme for many groups of psammitolite trays can carry in the segmentation of a plurality of transfer units, have effectually avoided taking place to interfere between the multiunit psammitolite tray, have improved the transportation efficiency of psammitolite tray.

In a specific embodiment, the partition is located between the two second conveyor belts and has a height greater than the height of the second conveyor belts.

Through adopting above-mentioned technical scheme, not only guaranteed the separation effect of baffle, avoided taking place to interfere between baffle and the second conveyer belt and influence the operation of second conveyer belt moreover.

In summary, the present application includes at least one of the following beneficial technical effects:

According to the transfer device, the two lifting frames can separate the stacked sand core trays or stack the loaded sand core trays under the cooperation of the translational motion and the lifting motion, so that the turnover efficiency of the sand core trays can be effectively improved, and the labor cost is saved.

Drawings

Fig. 1 is a schematic perspective view of a transfer device according to an embodiment of the present application.

Fig. 2 is a schematic perspective view of a transfer unit according to an embodiment of the present application 1.

Fig. 3 is a schematic perspective view of a transfer unit according to an embodiment of the present application 2.

Fig. 4 is an enlarged schematic view at a of fig. 3.

Fig. 5 is a bottom view of fig. 3.

Fig. 6 is a partial top view of a second conveyor mechanism of an embodiment of the present application.

Reference numerals illustrate:

1. A frame;

2. a first conveying mechanism; 21. a first conveyor belt; 22. a third driving module; 23. a second rotating lever;

3. A lifting mechanism; 31. a lifting frame; 311. a frame body; 312. a lifting plate; 3121. a first plate body; 3122. a second plate body; 313. an upper baffle; 32. a lifting assembly; 321. a lifting seat; 322. a first rotating lever; 323. a first driving module; 324. a first transmission structure; 3241. a sprocket; 3242. a chain; 325. a first guide rail; 33. a translation assembly; 331. a sliding seat; 332. a second transmission structure; 3321. a rack; 3322. a gear; 3323. a second driving module; 333. a second guide rail;

4. A second conveying mechanism; 41. a conveying frame; 42. a second conveyor belt; 43. a fourth driving module; 44. a transition roller; 45. a fifth driving module; 46. a partition plate; 47. a third rotating lever; 48. a fourth rotating lever;

x, a transferring unit.

Detailed Description

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

Referring to fig. 1-6, there is shown a transfer device for a sand core tray comprising two transfer units X arranged side by side.

Referring to fig. 2-3, the transferring unit X includes a frame 1, a first conveying mechanism 2 and a lifting mechanism 3, where the lifting mechanism 3 includes two lifting frames 31 that are liftable and arranged on the frame 1, and a lifting assembly 32 that is used to drive the two lifting frames 31 to lift, where the two lifting frames 31 are respectively symmetrically arranged on two sides of the first conveying mechanism 2 and the arrangement directions of the two lifting frames are perpendicular to the conveying direction of the first conveying mechanism 2, and the two lifting frames 31 are movably arranged along the directions approaching or separating from each other, and the lifting mechanism 3 further includes a translation assembly 33 that is used to drive the two lifting frames 31 to move.

Through the above arrangement, the two lifting frames 31 can separate the stacked sand core trays under the cooperation of the translational movement and the lifting movement of the two lifting frames, or stack the loaded sand core trays, so that the turnover efficiency of the sand core trays can be effectively improved, and the labor cost is saved.

The plurality of sand core trays loaded in the transportation trolley comprise a bottom layer tray and a plurality of upper layer trays stacked on the bottom layer tray. Before loading sand cores, placing a plurality of stacked sand core trays in a transportation trolley on a first conveying mechanism 2, conveying the stacked sand core trays forwards by the first conveying mechanism 2, synchronously descending the two lifting frames 31 when the stacked sand core trays reach below the two lifting frames 31, then relatively closing and lifting the plurality of upper-layer trays upwards, and continuously conveying and loading sand cores along with the first conveying mechanism 2 forwards by only remaining lower-layer trays on the first conveying mechanism 2; after the bottom layer trays are conveyed forwards for a certain distance, the two lifting frames 31 descend synchronously again, a plurality of upper layer trays are placed on the first conveying mechanism 2, then the two lifting frames 31 are relatively far away and ascend synchronously for a certain distance and then are relatively close again, one of the plurality of upper layer trays located at the lowest position is left on the first conveying mechanism 2, the other plurality of upper layer trays are lifted upwards, and one upper layer tray left on the first conveying mechanism 2 continues to be conveyed forwards along with the first conveying mechanism 2 and loads sand cores; after repeated circulation and reciprocation, the mutual separation of a plurality of sand core trays and the sand core loading of each sand core tray are realized;

After the sand core loading is completed, placing a first fully loaded sand core tray on the first conveying mechanism 2, conveying the first sand core tray backwards by the first conveying mechanism 2, and synchronously descending the two lifting frames 31 when the first sand core tray reaches below the two lifting frames 31, and then relatively closing and lifting the first sand core tray upwards; then placing a second fully loaded sand core tray on the first conveying mechanism 2, conveying the second sand core tray backwards by the first conveying mechanism 2, synchronously descending the two lifting frames 31 when the second sand core tray reaches below the two lifting frames 31, stacking the first sand core tray on the second sand core tray, relatively keeping away from the two lifting frames 31 and relatively closing the two lifting frames after a certain distance is reduced, and lifting the two stacked sand core trays upwards together; after repeated circulation, a plurality of sand core trays are stacked, and then the stacked sand core trays are placed in a transportation trolley, so that the transportation of the sand core trays is realized.

In this embodiment, the lifting frame 31 includes a frame body 311 extending along the conveying direction of the first conveying mechanism 2, two lifting plates 312 disposed at intervals at the lower portion of the frame body 311 along the extending direction of the frame body 311, the lifting plates 312 include a first plate body 3121 and a second plate body 3122 which are disposed in an L-shape, the first plate body 3121 is disposed along the vertical direction and resists the side portion of the sand core tray, and the second plate body 3122 is disposed horizontally and is supported at the bottom of the sand core tray.

The corresponding two second plate bodies 3122 can respectively support the two sides of the bottom of the sand core tray, and the corresponding two first plate bodies 3121 can respectively support the two sides of the sand core tray, thereby improving the lifting stability of the lifting frame 31 and avoiding the sand core tray from falling off in the lifting process.

The upper portion of the frame 311 is further provided with a vertical upper baffle 313, and the upper baffle 313 can be abutted against the side portion of the upper tray, so that the upper tray is prevented from falling off in the lifting process.

In this embodiment, as shown in fig. 2, the lifting assembly 32 includes a lifting seat 321 disposed on the frame 1 in a lifting manner, a first guide rail 325 disposed on two sides of the frame 1 and slidably connected to two side portions of the lifting seat 321, a first rotating rod 322 rotatably disposed above the lifting seat 321 around its own axis, a first driving module 323 for driving the first rotating rod 322 to rotate, and a first transmission structure 324 disposed between the first rotating rod 322 and the lifting seat 321, wherein the first rotating rod 322 extends along a horizontal direction, and the first transmission structure 324 includes a sprocket 3241 disposed on the first rotating rod 322, and a chain 3242 with two ends respectively connected to the sprocket 3241 and the lifting seat 321.

The first driving module 323 is a motor, two sprockets 3241 are respectively disposed at two ends of the first rotating rod 322, and two chains 3242 are respectively connected with the two sprockets 3241. When the lifting device is lifted, the first rotating rod 322 is driven to rotate by the motor, the first rotating rod 322 drives the chain wheels 3241 at two ends to rotate, the chain 3242 is gradually wound on the chain wheels 3241 under the rotation of the chain wheels 3241, or is unwound from the chain wheels 3241, and the lower end part of the chain 3242 drives the lifting seat 321 to lift or descend in the winding or unwinding process.

In this embodiment, as shown in fig. 3-4, the length direction of the lifting seat 321 is perpendicular to the conveying direction of the first conveying mechanism 2, the translation assembly 33 includes two sliding seats 331 slidably disposed on the lifting seat 321 along the length direction of the lifting seat 321, two second guide rails 333 disposed along the length direction of the lifting seat 321, and a second transmission structure 332 for driving the sliding seats 331 to slide, where the two second guide rails 333 are slidably connected with the two sliding seats 331, and the two lifting frames 31 are in one-to-one correspondence with and are connected with each other with the two sliding seats 331.

Referring to fig. 4, the second transmission structure 332 includes two racks 3321 respectively connected to the two sliding seats 331, a gear 3322 rotatably disposed on the lifting seat 321 around a vertical direction, and a second driving module 3323 for driving the gear 3322 to rotate, where an arrangement direction of the two racks 3321 is perpendicular to a sliding direction of the two sliding seats 331, the gear 3322 is located between the two racks 3321, tooth surfaces of the two racks 3321 are disposed opposite to each other, and both of the tooth surfaces are meshed with the gear 3322.

The second driving module 3323 is a motor, and drives the gear 3322 to rotate, and the rotating gear 3322 drives the two racks 3321 meshed with the gear 3322 to synchronously move, so that the two racks 3321 can drive the two sliding seats 331 to synchronously slide, and the two sliding seats 331 drive the two lifting frames 31 to synchronously close or separate, so that the clamping stability of the two lifting frames 31 to the sand core tray is effectively improved.

In the present embodiment, as shown in fig. 5, the first conveying mechanism 2 includes two first conveying belts 21 parallel to each other, and a third driving module 22 for driving the two first conveying belts 21 to run synchronously, and two lifting frames 31 are respectively located at the sides of the two first conveying belts 21 away from each other. The third driving module 22 is a motor, an output shaft of the motor is in transmission connection with the second rotating rod 23, and two ends of the second rotating rod 23 are respectively in transmission connection with the two first conveyor belts 21.

As shown in fig. 1, the transfer device further includes a second conveying mechanism 4, two first conveying mechanisms 2 forming two transfer units X are arranged at intervals along the extending direction of the second conveying mechanism 4, the conveying direction of the first conveying mechanism 2 is perpendicular to the conveying direction of the second conveying mechanism 4, the tail end of each first conveying mechanism 2 in the conveying direction is located at one side of the second conveying mechanism 4, and the conveying surface of the first conveying mechanism 2 is the same as the conveying surface of the second conveying mechanism 4 in height.

Through the arrangement, the two transfer units X can transfer the two groups of sand core trays at the same time, so that the transfer efficiency of the sand core trays is improved; and the second conveying mechanism 4 can realize the folding and steering of the two groups of sand core trays, so that the two groups of sand core trays can be orderly transferred to the sand core and the sand cores are loaded, and the loading efficiency of the sand cores is improved.

In this embodiment, as shown in fig. 6, the second conveying mechanism 4 includes a conveying frame 41, two parallel second conveying belts 42 disposed on two sides of the conveying frame 41, and a fourth driving module 43 for driving the two second conveying belts 42 to run synchronously, where the fourth driving module 43 is a motor, an output shaft of the motor is in transmission connection with a third rotating rod 47, and two ends of the third rotating rod 47 are respectively in transmission connection with the two second conveying belts 42.

Further, four transition rollers 44 are disposed between the two second conveyor belts 42, the four transition rollers 44 extend along the conveying direction of the second conveyor mechanism 4, each transition roller 44 is rotatably disposed around its own axis, and the second conveyor mechanism 4 further includes a fifth driving module 45 for driving the four transition rollers 44 to rotate synchronously. The fifth driving module 45 is a motor, and an output shaft of the motor is respectively connected with two fourth rotating rods 48 in a transmission manner, and the two fourth rotating rods 48 are parallel to the four transition rollers 44. One of the fourth rotary bars 48 is in driving connection with two of the four transition rollers 44, and the other fourth rotary bar 48 is in driving connection with the other two of the four transition rollers 44.

With the above arrangement, the four transition rollers 44 can transfer the core tray at the end of the first conveying mechanism 2 onto the second conveying mechanism 4, so that the transfer of the core tray between the first conveying mechanism 2 and the second conveying mechanism 4 can be realized.

In the present embodiment, as shown in fig. 1 and 6, two partition plates 46 are arranged on the conveying frame 41 at intervals along the conveying direction of the second conveying mechanism 4, the partition plates 46 extend along the arrangement direction of the two second conveying belts 42, the two partition plates 46 divide the second conveying mechanism 4 into two conveying units, the two conveying units are in one-to-one correspondence with the two first conveying mechanisms 2, and the end of each first conveying mechanism 2 in the conveying direction is located at the side of the corresponding conveying unit. Wherein the partition 46 is located between the two second conveyor belts 42 and has a height greater than the height of the second conveyor belts 42.

Through the arrangement, the two groups of sand core trays can be conveyed in the two conveying units in a segmented mode and respectively load sand cores, interference between the two groups of sand core trays is effectively avoided, and the transferring efficiency of the sand core trays is improved.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. A transfer device of psammitolite tray, its characterized in that: including at least one transport unit (X), transport unit (X) includes frame (1), first transport mechanism (2) and elevating system (3), elevating system (3) include two liftable locate hoisting frame (31) on frame (1), be used for driving elevating system (32) that two hoisting frame (31) go up and down, two hoisting frame (31) symmetry respectively locate first transport mechanism (2) both sides and the direction of arranging of both with the direction of delivery of first transport mechanism (2) is mutually perpendicular, two hoisting frame (31) along being close to each other or the mobilizable setting of direction of keeping away from, elevating system (3) still including be used for driving translation subassembly (33) that two hoisting frame (31) removed.

2. A transfer device for a sand core tray according to claim 1, wherein: the lifting frame (31) comprises a frame body (311) extending along the conveying direction of the first conveying mechanism (2), a plurality of lifting plates (312) arranged on the frame body (311) at intervals along the extending direction of the frame body (311), the lifting plates (312) comprise first plate bodies (3121) and second plate bodies (3122) which are arranged in an L-shaped mode, the first plate bodies (3121) are arranged along the vertical direction and are blocked on the side portions of the sand core trays, and the second plate bodies (3122) are horizontally arranged and supported on the bottoms of the sand core trays.

3. A transfer device for a sand core tray according to claim 1, wherein: lifting assembly (32) are including liftable locate lifting seat (321) on frame (1), around its own axial lead direction rotatable locate lifting seat (321) top first dwang (322), be used for the drive first dwang (322) pivoted first drive module (323), locate first dwang (322) with first transmission structure (324) between lifting seat (321), first dwang (322) extend along the horizontal direction, first transmission structure (324) are including locating sprocket (3241) on first dwang (322), both ends respectively with sprocket (3241) with chain (3242) that lifting seat (321) are connected.

4. A transfer device for a sand core tray according to claim 3, wherein: the length direction of the lifting seat (321) is perpendicular to the conveying direction of the first conveying mechanism (2), the translation assembly (33) comprises two sliding seats (331) which are slidably arranged on the lifting seat (321) along the length direction of the lifting seat (321), a second transmission structure (332) which is used for driving the sliding seats (331) to slide, and the two lifting frames (31) are in one-to-one correspondence with the two sliding seats (331) and are connected with each other.

5. The sand core tray transfer device of claim 4, wherein: the second transmission structure (332) comprises two racks (3321) which are respectively connected with the two sliding seats (331) in a corresponding mode, a gear (3322) which is rotatably arranged on the lifting seat (321) around the vertical direction, and a second driving module (3323) which is used for driving the gear (3322) to rotate, wherein the arrangement direction of the two racks (3321) is perpendicular to the sliding direction of the two sliding seats (331), the gear (3322) is positioned between the two racks (3321), and tooth surfaces of the two racks (3321) are oppositely arranged and are meshed with the gear (3322).

6. A transfer device for a sand core tray according to claim 1, wherein: the first conveying mechanism (2) comprises two first conveying belts (21) which are parallel to each other, a third driving module (22) which is used for driving the two first conveying belts (21) to synchronously run, and two lifting frames (31) are respectively positioned at one sides of the two first conveying belts (21) which are far away from each other.

7. A transfer device for a sand core tray according to claim 1, wherein: the transfer device further comprises a plurality of second conveying mechanisms (4), the transfer units (X) are arranged at intervals along the extending directions of the second conveying mechanisms (4), the conveying directions of the first conveying mechanisms (2) are perpendicular to the conveying directions of the second conveying mechanisms (4), the tail ends of the conveying directions of the first conveying mechanisms (2) are located at one side of the second conveying mechanisms (4), and the conveying surfaces of the first conveying mechanisms (2) are identical to the conveying surfaces of the second conveying mechanisms (4) in height.

8. The sand core tray transfer device of claim 7, wherein: the second conveying mechanism (4) comprises a conveying frame (41), two second conveying belts (42) which are parallel to each other and are arranged on two sides of the conveying frame (41), a fourth driving module (43) which is used for driving the two second conveying belts (42) to synchronously run, a plurality of transition rollers (44) are arranged between the two second conveying belts (42), the transition rollers (44) extend along the conveying direction of the second conveying mechanism (4) and are respectively arranged in a rotatable mode around the axis direction of the transition rollers (44), and the second conveying mechanism (4) further comprises a fifth driving module (45) which is used for driving the transition rollers (44) to synchronously rotate.

9. The sand core tray transfer device of claim 8, wherein: a plurality of partition boards (46) are arranged on the conveying frame (41) at intervals along the conveying direction of the second conveying mechanisms (4), the partition boards (46) extend along the arrangement direction of the two second conveying belts (42), the plurality of partition boards (46) divide the second conveying mechanisms (4) into a plurality of conveying units, the conveying units are in one-to-one correspondence with the plurality of first conveying mechanisms (2), and the tail end of each first conveying mechanism (2) in the conveying direction is located at the side part of the corresponding conveying unit.

10. The sand core tray transfer device of claim 9, wherein: the partition (46) is located between the two second conveyor belts (42) and has a height greater than the height of the second conveyor belts (42).