CN211945218U

CN211945218U - Continuous blanking device for sheet product production

Info

Publication number: CN211945218U
Application number: CN201922109538.7U
Authority: CN
Inventors: 陈兵; 冷志; 李晋航; 石致远; 殷庆文; 吴文亮
Original assignee: Dongfang Electric Corp
Current assignee: Dongfang Electric Corp
Priority date: 2019-11-29
Filing date: 2019-11-29
Publication date: 2020-11-17
Anticipated expiration: 2029-11-29

Abstract

The utility model discloses a continuous doffer for production of slice product, its characterized in that: the automatic blanking device comprises a tray located at a blanking position, a tray located at a preparation position, a material caching structure and a tray transferring structure, wherein the tray transferring structure comprises a synchronous hoisting device, a supporting plate and a roller conveyor; the roller conveyor conveys the pallet fully stacked with materials to a forklift, and simultaneously conveys the pallet at the preparation position to a blanking position to realize pallet replacement; then the synchronous hoisting device hoists the supporting plate of the empty pallet loaded back by the forklift, drives the pallet to move along a fixed track from the upper part of the material caching structure and then to be placed at a preparation position, and realizes the transportation of the pallet. The utility model discloses a when continuous blanking, still carry out the change and the transportation of tray automatically, improved production efficiency greatly.

Description

Continuous blanking device for sheet product production

Technical Field

The utility model relates to a production process equipment of slice product, especially a continuous doffer for production of slice product.

Background

During the production process, the produced products need to be unloaded from the conveying belt of the production line and stacked on the material tray. Because the quantity of the stacked materials on the tray is limited, when the quantity of the stacked materials on the tray reaches the upper limit, the blanking must be stopped, the full tray is carried away by a forklift, and the blanking is restarted after a new tray is replaced.

However, at present, no blanking device which can continuously and automatically replace the tray exists.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a continuous doffer for slice product production can transport the tray automatically, realizes the change of tray automatically, carries out the buffer memory to the material through material buffer memory structure to realized the continuous blanking in the slice product production process, further improved production efficiency.

The technical scheme of the utility model as follows:

the utility model provides a continuous doffer for production of slice product which characterized in that: the automatic blanking device comprises a tray positioned at a blanking position, a tray positioned at a preparation position, a material caching structure and a tray transferring structure, wherein the tray transferring structure at least comprises a synchronous hoisting device, a supporting plate and a roller conveyor; the roller conveyor conveys the tray full of stacked materials to a forklift, and conveys the tray at the preparation position to a blanking position; the forklift-mounted empty-returning tray is placed on the supporting plate at the original position, the synchronous lifting device lifts the supporting plate with the empty tray, the tray is driven to move along a fixed track from the upper part of the material caching structure and then is placed at a preparation position to wait for replacement, and therefore the purpose of continuously supplying the tray is achieved.

For the material buffer structure, the following design is specifically provided:

the material buffer memory structure comprises a support frame, a cantilever and a buffer memory unit, wherein the support frame is located below the blanking frame and corresponds to the position of the conveying belt, the cantilever is fixedly connected to the support frame, the buffer memory unit is slidably connected to the cantilever, the buffer memory unit can move back and forth to the blanking end of the conveying belt along the cantilever, and when the buffer memory unit moves to the position close to the blanking end of the conveying belt, materials can fall to the buffer memory unit for buffer memory.

The height of the buffer unit is lower than or equal to that of the feeding end of the conveying belt, so that materials on the conveying belt can fall onto the buffer unit when the buffer unit is close to the feeding end of the conveying belt.

And simultaneously, the maximum stacking height of the tray positioned at the blanking position is lower than the height of the cache unit, so that when the cache unit realizes cache function, the tray fully stacked with materials can be easily moved to a forklift, and meanwhile, continuous blanking can be realized.

Furthermore, the buffer unit is connected with the support frame through a sliding block and a guide rail, so that the buffer unit can slide along the guide rail through the sliding block, and directional sliding of the buffer unit is realized.

Furthermore, a material baffle plate is arranged above the cache unit, and a gap between the material baffle plate and the upper surface of the cache unit is smaller than the thickness of each material, so that the material baffle plate can push and block the materials on the cache unit, and the materials are prevented from moving along with the cache unit in the direction away from the material discharging end of the conveying belt.

The buffer unit may be designed as a buffer board.

The buffer memory unit also can be designed into a structure of a support rod fixing plate and a plurality of parallel support rods, one end of each support rod is fixed on the support rod fixing plate, and a sliding groove matched with the sliding rail is formed in the support rod fixing plate, so that the buffer memory rod fixing plate can drive the plurality of buffer memory rods to slide synchronously. Aiming at the buffer unit with the structure, the material baffle can be sleeved on the supporting rod in a penetrating way.

Further, the material buffer structure is provided with an air cylinder which pushes the buffer unit to slide along the guide rail.

The tray transferring structure is further provided with a portal frame, the portal frame body is used for supporting and installing the synchronous hoisting device, a guide rail is arranged on the portal frame, a rack is arranged on the guide rail, and the synchronous hoisting device moves directionally along the guide rail through a driving gear matched with the rack.

The synchronous hoisting device is specifically designed as follows:

the synchronous lifting device comprises a lifting frame body and a grabbing fixed disk, wherein the grabbing fixed disk is used for grabbing a supporting plate, the lifting frame body is connected with the grabbing fixed disk through a steel wire rope, and the lifting frame body is hung on the grabbing fixed disk to drive the supporting plate to move along an appointed route.

The lifting frame body is provided with four rope winding drums, every two rope winding drums are fixed at two ends of a transmission shaft, the two transmission shafts are connected through chain wheel transmission, so that the two transmission shafts can synchronously rotate, the four rope winding drums are driven to synchronously rotate, the length of the steel wire rope wound on the four rope winding drums is adjusted, the recovery and the release of the four steel wire ropes are realized, and the stable lifting of the four corners of the fixed disc is grabbed.

Preferably, the four rope winding drums are respectively provided with corresponding rope guides, so that the steel wire ropes can be uniformly and orderly wound on the rope winding drums.

Four angles of the grabbing fixed disc are provided with grabbing fixed feet, and the distance between every two adjacent grabbing fixed feet is matched with the length and/or the width of the supporting plate, so that the grabbing fixed feet can be nested on the periphery of the supporting plate.

Furthermore, a locking cylinder is arranged on the grabbing fixing foot, and a fixing rod matched with the grabbing hole in the supporting plate is arranged on the locking cylinder. When grabbing, the locking cylinder pushes the fixing rod to enable the fixing rod to penetrate through or be embedded in the grabbing hole in the supporting plate, and therefore grabbing of the supporting plate is achieved. When the supporting plate needs to be put down, the locking cylinder drives the fixing rod to retract the fixing rod. The arrangement of the grabbing fixing disc realizes automatic grabbing and replacement of the supporting plate without manual operation.

The synchronous hoisting device also comprises a hoisting motor and a moving motor, wherein the hoisting motor is connected with the transmission shaft, and the hoisting motor drives the transmission shaft to rotate to drive the rope drum to recover the steel wire rope or release the steel wire rope; the moving motor is in transmission connection with the driving gear, so that the moving motor can drive the driving gear to rotate, and further the synchronous lifting device can move.

For the roller conveyor, the following design is also included:

and a positioning block is arranged at the preparation position of the roller conveyor, so that the supporting plate synchronously lifted and hung down can fall to the preparation position along the positioning block.

Further, a positioning part for moving the supporting plate on the roller conveyor is arranged on the roller of the roller conveyor, so that the supporting plate can move along a specified route when moving on the roller conveyor.

The utility model discloses realize that the concrete working procedure of continuous blanking is as follows:

s1 stacking of trays: when the materials stacked on the tray below the lower material end of the conveying belt are less than the maximum stacking amount, the buffer unit of the material buffer structure is positioned far away from the lower material end of the conveying belt, and the materials on the conveying belt directly fall onto the tray;

s2 replacement of tray: when the tray below the discharging end of the conveying belt reaches the maximum stacking amount, the buffer unit of the material buffer structure moves to be close to the discharging end of the conveying belt, and materials on the conveying belt fall onto the buffer unit; meanwhile, the roller conveyor is started to drive the tray which is fully stacked with materials to move towards one end close to the forklift and drive the empty tray which is far away from one end of the forklift and located at the preparation position to move towards the lower part of the material discharging end of the conveying belt, so that automatic replacement of the tray and continuous blanking during replacement of the tray are realized;

s3-1 material transfer: after the tray is replaced, the buffer unit moves to the discharging end far away from the conveying belt, and the materials on the conveying belt fall onto the material tray;

s3-2 tray transfer: when the forklift forks the pallet with full materials, the pallet is carried to a designated area, the empty pallet is carried back to the pallet of the roller conveyor returning to the original position, the synchronous hoisting device hoists the pallet, the empty pallet returned by the forklift is moved to one end, away from the forklift, of the roller conveyor from the upper part of the material caching structure and is placed at a preparation position to prepare for next pallet replacement.

The technical effects of the utility model are as follows:

the utility model is provided with a material buffer structure, which can not interrupt the blanking of the material and buffer the material when replacing the tray; meanwhile, the pallet realizes the carrying of the pallet and materials through a roller conveyor, and the position of the pallet is converted through a synchronous hoisting device, so that the pallet is filled in a preparation position in real time, and the automatic replacement of the pallet is realized; the utility model discloses can realize can changing the tray after the material that the material piles up on the tray reaches the predetermined height automatically, and the purpose of continuous blanking, improve production efficiency greatly.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is the structure diagram of the material buffer structure of the present invention.

Fig. 3 is a schematic structural diagram of another viewing angle of the present invention.

Fig. 4 is a schematic structural diagram of the synchronous lifting device of the present invention.

Fig. 5 is a schematic structural diagram of the support plate of the present invention.

Fig. 6 is a schematic structural view of the roller conveyor of the present invention.

Wherein the reference numerals are: 1 gantry frame body, 2 snatch the fixed disk, 3 synchronous hoisting accessory, 5 work or material rest down, 6 material buffer memory structures, 7 cylinder conveyer, 8 layer boards, 9 trays, 10 fork truck, 11 transmission bands, 12 painting stove, 13 bracing pieces, 14 material baffles, 15 bracing piece fixed plates, 16 slide rails, 17 support frames, 18 cylinders, 19 cantilevers, 20 sliders, 22 hoisting motor, 23 moving motor, 24 racks, 25 locking cylinders, 26 rope guider, 27 hoisting frame body, 28 synchronous chain, 29 rope drum, 30 transmission shafts, 31 wire rope, 33 location portion, 34 grab hole, 36 locating piece.

Detailed Description

Example 1

A continuous blanking device for sheet product production comprises a tray 9 located at a blanking position, a tray 9 located at a preparation position, a material caching structure 6 and a tray transferring structure, wherein the tray transferring structure at least comprises a synchronous lifting device 3, a supporting plate 8 and a roller conveyor 7, the trays 9 are all placed on the supporting plate 8, the supporting plate 8 is all placed on the roller conveyor 7, and the synchronous lifting device 3 is arranged above the roller conveyor 7; the roller conveyor 7 conveys the tray 9 fully stacked with materials to a forklift 10, and simultaneously conveys the tray 9 at a preparation position to a blanking position; the forklift 10 carries the empty tray 9 to be placed on the supporting plate 8 at the original position, the synchronous lifting device 3 lifts the supporting plate 8 with the empty tray 9, the tray 9 is driven to be placed at a preparation position after moving along a fixed track from the upper part of the material caching structure 6, and replacement is waited, so that the purpose of continuously supplying the tray 9 is achieved.

Example 2

On the basis of the structure of embodiment 1, as shown in fig. 2, the material cache structure 6 specifically has the following design:

the material buffer memory structure 6 comprises a support frame 17, a cantilever 19 and a buffer memory unit, wherein the support frame 17 is positioned below the discharging frame 5, the height corresponding to the position of the conveying belt 11 in front of the painting furnace 12 is the height corresponding to the position of the conveying belt, the cantilever 19 is fixedly connected to the support frame 17, the cantilever 19 is connected with the buffer memory unit in a sliding mode, the buffer memory unit can move back and forth to the discharging end of the conveying belt 11 along the cantilever 19, and when the buffer memory unit moves to the position close to the discharging end of the conveying belt 11, materials can fall to the buffer.

The height of the buffer unit is lower than or equal to the height of the discharging end of the conveying belt 11, so that materials on the conveying belt 11 can fall onto the buffer unit when the buffer unit is close to the discharging end of the conveying belt 11.

Meanwhile, the maximum stacking height of the tray 9 at the blanking position is lower than the height of the buffer unit, so that when the buffer unit realizes buffer action, the tray 9 full of stacked materials can be easily moved to the forklift 10, and meanwhile, continuous blanking can be realized.

Further, the buffer unit is connected with the supporting frame 17 through the sliding block 20 and the guide rail, so that the buffer unit can slide along the guide rail through the sliding block 20, and directional sliding of the buffer unit is realized.

Further, still be provided with material baffle 14 above the buffer memory unit, the clearance between material baffle 14 and the buffer memory unit upper surface is less than the thickness of every material to make material baffle 14 can push away the material on the buffer memory unit, in order to prevent that the material from moving to the direction of keeping away from transmission band 11 unloading end along with the buffer memory unit.

The buffer unit may be designed as a buffer board.

The buffer memory unit also can be designed into a structure comprising a support rod fixing plate 15 and a plurality of parallel support rods 13, one end of each support rod 13 is fixed on the support rod fixing plate 15, and a sliding groove matched with the sliding rail 16 is formed in the support rod fixing plate 15, so that the buffer memory rod fixing plate can drive the plurality of buffer memory rods to slide synchronously. For the buffer unit with the structure, the material baffle 14 can be sleeved on the support rod 13.

Further, the material buffer structure 6 is provided with an air cylinder 18, and the air cylinder 18 pushes the buffer unit to slide along the guide rail.

Example 3

On the basis of the structure of embodiment 1 or 2, as shown in fig. 3, the tray transfer structure is further provided with a gantry, the gantry 1 is used for supporting and installing the synchronous hoisting device 3, the gantry is provided with a guide rail, the guide rail is provided with a rack 24, and the synchronous hoisting device 3 moves directionally along the guide rail through a driving gear matched with the rack 24.

Example 4

On the basis of any structure of embodiments 1 to 3, as shown in fig. 4, the following design is specifically provided for the synchronous hoisting device 3:

synchronous hoisting accessory 3 includes the hoisting frame body 27 and snatchs fixed disk 2, and wherein, snatch fixed disk 2 and be used for snatching layer board 8, and hoisting frame body 27 connects through wire rope 31 and snatchs fixed disk 2, and hoisting frame body 27 is hung and is snatched fixed disk 2 and drive layer board 8 and remove along appointed route.

The lifting frame body 27 is provided with a synchronous chain 28, the lower end of the lifting frame body 27 is provided with four rope drums 29, every two rope drums 29 are fixed at two ends of one transmission shaft 30, the two transmission shafts 30 are connected through chain wheel transmission, so that the two transmission shafts 30 can synchronously rotate, the four rope drums 29 are driven to synchronously rotate, the length of the four rope drums 29 wound by the steel wire ropes 31 is adjusted, the four steel wire ropes 31 are recovered and released, and the stable lifting of four corners of the fixed disc 2 is grabbed.

Preferably, the four rope drums 29 are respectively provided with corresponding rope guides 26 so that the steel wire ropes 31 can be wound on the rope drums 29 in a uniform and orderly manner.

Four angles of the grabbing fixed disc 2 are provided with grabbing fixed feet, and the distance between every two adjacent grabbing fixed feet is matched with the length and/or the width of the supporting plate 8, so that the grabbing fixed feet can be nested on the periphery of the supporting plate 8.

Furthermore, a locking cylinder 25 is arranged on the grabbing fixing foot, and a fixing rod matched with the grabbing hole 33 on the supporting plate 8 is arranged on the locking cylinder 25. When grabbing, the locking cylinder 25 pushes the fixing rod so that the fixing rod can pass through or be embedded in the grabbing hole 33 on the supporting plate 8, thereby realizing grabbing of the supporting plate 8. When it is desired to lower the pallet 8, the locking cylinder 25 drives the fixing bars so that they retract. The fixed disc 2 is grabbed, so that the supporting plate 8 can be automatically grabbed and replaced without manual operation. The gripping hole 33 of the pallet 8 is designed as shown in fig. 5.

The synchronous hoisting device 3 further comprises a hoisting motor 22 and a moving motor 23, wherein the hoisting motor 22 is connected with the transmission shaft 30, so that the hoisting motor 22 can drive the transmission shaft 30 to rotate, and then the rope drum 29 is driven to recover the steel wire rope 31 or release the steel wire rope 31; the moving motor 23 is in transmission connection with the driving gear, so that the moving motor 23 can drive the driving gear to rotate, and further the movement of the synchronous lifting device 3 is realized.

Example 5

On the basis of any of the structures of embodiments 1 to 4, as shown in fig. 6, the roller conveyor 7 further includes the following design:

a positioning block 36 is provided at the preparation position of the drum conveyor 7 so that the pallet 8 suspended by the synchronous hoisting device 3 can fall to the preparation position along the positioning block 36.

Further, the drum of the drum conveyor 7 is provided with a seat portion 32 for the movement of the pallet 8 on the drum conveyor 7 so that the pallet 8 can move along a prescribed route when moving on the drum conveyor 7.

To above-mentioned embodiment realize the utility model discloses, the concrete working procedure of continuous blanking is as follows:

s1 stacking of trays: when the materials stacked on the tray 9 below the discharging end of the conveying belt 11 are less than the maximum stacking amount, the buffer unit of the material buffer structure 6 is positioned at the discharging end far away from the conveying belt 11, and the materials on the conveying belt 11 directly fall onto the tray 9;

s2 replacement of tray 9: when the tray 9 below the discharging end of the conveying belt 11 reaches the maximum stacking amount, the buffer unit of the material buffer structure 6 moves to be close to the discharging end of the conveying belt 11, and materials on the conveying belt 11 fall onto the buffer unit; meanwhile, the roller conveyor 7 is started to drive the tray 9 fully stacked with materials to move towards one end close to the forklift 10 and drive the empty tray 9 which is far away from one end of the forklift 10 and is positioned at a preparation position to move towards the lower part of the discharging end of the conveying belt 11, so that the automatic replacement of the tray 9 and the continuous blanking during the replacement of the tray 9 are realized;

s3-1 material transfer: after the tray 9 is replaced, the buffer unit moves to a discharging end far away from the conveying belt 11, and materials on the conveying belt 11 fall onto the material tray;

s3-2 tray transfer: after the forklift 10 forks the pallet 8 with the full material stacked thereon, the pallet is carried to a designated area, and the empty pallet 9 is loaded back to the pallet 8 of the drum conveyor 7 returned to the original position, the synchronous hoisting device 3 hoists the pallet 8, and the empty pallet 9 loaded back by the forklift 10 is moved from above the material buffer structure 6 to the end of the drum conveyor 7 away from the forklift 10 and placed at a preparation position to prepare for next pallet 9 replacement.

Claims

1. The utility model provides a continuous doffer for production of slice product which characterized in that: the automatic blanking device comprises a tray (9) located at a blanking position, a tray (9) located at a preparation position, a material caching structure (6) and a tray transferring structure, wherein the tray transferring structure at least comprises a synchronous lifting device (3), a supporting plate (8) and a roller conveyor (7), the trays (9) are all placed on the supporting plate (8), the supporting plate (8) is all placed on the roller conveyor (7), and the synchronous lifting device (3) is arranged above the roller conveyor (7); the roller conveyor (7) conveys the tray (9) full of stacked materials to a forklift (10) and conveys the tray (9) at the preparation position to the blanking position; the forklift (10) carries the empty tray (9) to be placed on the supporting plate (8) at the original position, the synchronous lifting device (3) lifts the supporting plate (8) with the empty tray (9) placed thereon, and the tray (9) is driven to move along a fixed track from the upper part of the material caching structure (6) and then is placed at a preparation position.

2. Continuous blanking device for the production of sheet products according to claim 1, characterized in that: material buffer memory structure (6) are including support frame (17), cantilever (19) and buffer memory unit, and support frame (17) are located work or material rest (5) below down, the height that corresponds with transmission band (11) position, fixed connection cantilever (19) on support frame (17), sliding connection buffer memory unit on cantilever (19), buffer memory unit can be followed cantilever (19) and do the round trip movement to the unloading end of transmission band (11), when buffer memory unit removes the feed end position that is close to transmission band (11), the material whereabouts to buffer memory unit and goes up the buffer memory.

3. Continuous blanking device for the production of sheet products according to claim 2, characterized in that: the height of the buffer unit is lower than or equal to that of the blanking end of the conveying belt (11).

4. Continuous blanking device for the production of sheet products according to claim 3, characterized in that: the maximum stacking height of the tray (9) positioned at the blanking position is lower than the height of the buffer unit.

5. Continuous blanking device for the production of sheet products according to claim 2, characterized in that: a material baffle (14) is further arranged above the buffer unit, and the gap between the material baffle (14) and the upper surface of the buffer unit is smaller than the thickness of each material.

6. Continuous blanking device for the production of sheet products according to claim 2, characterized in that: the cache unit is designed as a cache board.

7. Continuous blanking device for the production of sheet products according to claim 5, characterized in that: the buffer unit is designed into a structure with a support rod fixing plate (15) and a plurality of parallel support rods (13), one end of each support rod (13) is fixed on the support rod fixing plate (15), a sliding groove matched with a sliding rail (16) is formed in each support rod fixing plate (15), and the material baffle (14) is sleeved on each support rod (13) in a penetrating mode.

8. Continuous blanking device for the production of sheet products according to claim 2, characterized in that: the material buffer structure (6) is provided with an air cylinder (18), and the air cylinder (18) pushes the buffer unit to slide along the guide rail.

9. Continuous blanking device for the production of sheet products according to claim 1, characterized in that: the tray transfer structure is further provided with a portal frame, the portal frame body (1) is used for supporting and installing the synchronous lifting device (3), a guide rail is arranged on the portal frame, a rack (24) is arranged on the guide rail, and the synchronous lifting device (3) moves directionally along the guide rail through a driving gear matched with the rack (24).

10. Continuous blanking device for the production of sheet products according to claim 1, characterized in that: synchronous hoisting accessory (3) are including lifting by crane support body (27) and snatch fixed disk (2), and wherein, snatch fixed disk (2) and be used for snatching layer board (8), and lifting by crane support body (27) are connected through wire rope (31) and are snatched fixed disk (2), and lifting by crane support body (27) are hung and are snatched fixed disk (2) and drive layer board (8) and remove along appointed route.

11. Continuous blanking device for the production of sheet products according to claim 10, characterized in that: the rope winding device is characterized in that a synchronous chain (28) is arranged on the lifting frame body (27), four rope winding drums (29) are arranged at the lower end of the lifting frame body (27), every two rope winding drums (29) are fixed at two ends of one transmission shaft (30), and the two transmission shafts (30) are in transmission connection through chain wheels.

12. Continuous blanking device for the production of sheet products according to claim 11, characterized in that: the four rope winding drums (29) are respectively provided with corresponding rope guides (26), and the steel wire ropes (31) are uniformly and orderly wound on the rope winding drums (29).

13. Continuous blanking device for the production of sheet products according to claim 11, characterized in that: four angles of the grabbing fixed plate (2) are provided with grabbing fixed feet, the distance between every two adjacent grabbing fixed feet is matched with the length and/or width of the supporting plate (8), and the grabbing fixed feet are nested on the periphery of the supporting plate (8).

14. Continuous blanking device for the production of sheet products according to claim 13, characterized in that: and a locking cylinder (25) is arranged on the grabbing fixing foot, and a fixing rod matched with the grabbing hole (33) on the supporting plate (8) is arranged on the locking cylinder (25).

15. Continuous blanking device for the production of sheet products according to claim 1, characterized in that: the synchronous hoisting device (3) further comprises a hoisting motor (22) and a moving motor (23), the hoisting motor (22) is connected with a transmission shaft (30), and the hoisting motor (22) drives the transmission shaft to rotate to drive a rope drum (29) to recover a steel wire rope (31) or release the steel wire rope (31); the moving motor (23) is in transmission connection with the driving gear, and the moving motor (23) drives the driving gear to rotate to drive the synchronous lifting device (3) to move.

16. Continuous blanking device for the production of sheet products according to claim 1, characterized in that: and a positioning block (36) for the falling movement of the lower hanging support plate (8) is arranged at the preparation position of the roller conveyor (7).

17. Continuous blanking device for the production of sheet products according to claim 1 or 16, characterized in that: the roller of the roller conveyor (7) is provided with a positioning part (32) for the supporting plate (8) to move on the roller conveyor (7).