CN114684622A

CN114684622A - Pallet discharging device

Info

Publication number: CN114684622A
Application number: CN202011571218.4A
Authority: CN
Inventors: 姚建文
Original assignee: Aurora China Co Ltd
Current assignee: Aurora China Co Ltd
Priority date: 2020-12-27
Filing date: 2020-12-27
Publication date: 2022-07-01

Abstract

The invention relates to a pallet blanking device which is used for blanking a pallet, and the pallet blanking device comprises a roller conveying line, pallet lifting clamping jaw mechanisms and pallet temporary storage bins, wherein the pallet is arranged on the roller conveying line, the pallet temporary storage bins are arranged on two sides of the roller conveying line, the pallet lifting clamping jaw mechanisms are arranged on the roller conveying line, and the positions of the pallet lifting clamping jaw mechanisms correspond to the positions of the pallet. Compared with the prior art, the automatic blanking machine has the advantages of high efficiency, self-adaption width, safety, reliability, realization of uninterrupted blanking and the like.

Description

Pallet discharging device

Technical Field

The invention relates to a pallet discharging device, in particular to a pallet discharging device.

Background

Pallets are horizontal platform devices used for containerization, stacking, handling and transportation of goods and products to be placed as unit loads, and as a containerization apparatus similar to a container, pallets are now widely used in the fields of production, transportation, storage, circulation, and the like.

Most of the loading and unloading of pallets in factories at the present stage are realized by adopting a mode that a forklift cooperates with manual operation, and devices capable of realizing loading and unloading of pallets are also provided, such as an automatic pallet loading and unloading mechanism disclosed in chinese patent CN211768544U, which comprises a loading fixing frame, an unloading fixing frame, a loading pallet positioning frame, an unloading pallet positioning frame, a loading pallet driving device, an unloading pallet driving device, a conveying mechanism, a loading shifting block, an unloading shifting block, a loading driving device, an unloading driving device and a control system, wherein the loading pallet and the unloading pallet stacked at intervals are used for storing product trays, the loading pallet positioning frame and the unloading pallet positioning frame are used for realizing alignment and connection with the conveying mechanism one by one, then the product trays on the loading pallet are pushed into the conveying mechanism through the loading shifting block and the unloading shifting block, the product trays on the conveying mechanism are pushed onto the unloading pallet, the full-automatic loading and unloading mechanism of the pallet realizes full automation of loading and unloading of the pallet and avoids manual operation. But this mechanism uses the shifting block to carry out the unloading of pallet on, and the shifting block needs continuous flexible then goes up and down again at the in-process that obtains the pallet, and the flexible process of shifting block needs certain time, has influenced unloading efficiency on going up, leads to going up unloading efficiency lower, can not satisfy high-efficient demand.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provide the pallet blanking device which is high in efficiency, self-adaptive in width, safe and reliable and can realize uninterrupted blanking.

The purpose of the invention can be realized by the following technical scheme:

a pallet blanking device is used for blanking a pallet and comprises a roller conveying line, a pallet lifting clamping jaw mechanism and a pallet temporary storage bin; the pallet is arranged on the roller conveying line; the pallet temporary storage bin is arranged on two sides of the roller conveying line; the pallet lifting clamping jaw mechanism is arranged in the pallet temporary storage bin; the pallet lifting clamping jaw mechanism is arranged on the roller conveying line, and the position of the pallet lifting clamping jaw mechanism corresponds to the position of the pallet.

Preferably, the pallet blanking device is provided with a pallet width self-adaptive adjusting mechanism; the pallet width self-adaptive adjusting mechanism is arranged in the pallet temporary storage bin; the pallet width self-adaptive adjusting mechanism is fixed on the roller conveying line; the pallet lifting clamping jaw mechanism is arranged on the pallet width self-adaptive adjusting mechanism.

More preferably, the pallet width self-adaptive adjusting mechanism comprises a slide rail, a slide block, a first fixed block, a second fixed block, a first spring and a second spring;

the sliding rail is fixed on the roller conveying line; the first fixed block, the sliding block and the second fixed block are sequentially arranged on the sliding rail;

the first fixing block and the second fixing block are locked on the sliding rail through a locking structure; the sliding block is connected with the sliding rail in a sliding manner;

the first spring is sleeved on the sliding rail between the first fixed block and the sliding block; the second spring is sleeved on the sliding rail between the second fixed block and the sliding block; the pallet lifting clamping jaw mechanism is fixed on the sliding block.

More preferably, the first spring and the second spring are both pre-tightening springs.

More preferably, the locking structure is a pneumatic locking structure or a mechanical locking structure.

Preferably, the pallet lifting clamping jaw mechanism comprises a lifting electric cylinder mounting plate, a lifting electric cylinder and a clamping jaw; the lifting electric cylinder mounting plate is fixed on the pallet width self-adaptive adjusting mechanism; the lifting electric cylinder is fixed on the lifting electric cylinder mounting plate along the vertical direction; the clamping jaw is fixed on a sliding block of the lifting electric cylinder.

More preferably, the clamping jaws are 180 ° pneumatic clamping jaws.

More preferably, the pallet comprises an upper plate, a lower plate, a central beam and four connecting blocks; the long layer board and the lower layer board are connected through the central beam, and the four connecting blocks are respectively arranged at four corners of the pallet.

More preferably, the clamping jaw comprises an inner jaw, an outer jaw and a clamping jaw cylinder; the inner claw and the outer claw are respectively arranged on two output shafts of the clamping jaw cylinder; the inner claw is a 1-shaped clamping jaw, and the outer claw is an L-shaped clamping jaw;

when the pallet is clamped by the clamping jaw, the inner jaw is arranged on the inner side of the connecting block, and the outer jaw is arranged on the outer side of the connecting block.

Preferably, the pallet temporary storage bin comprises a guardrail, a baffle and an infrared sensor for detecting whether the pallet passes through the pallet temporary storage bin; the guardrails are arranged on two sides of the roller conveying line; the baffle is arranged between the two guardrails and corresponds to the pallet in position; the infrared sensor is arranged at the bottom of the baffle, and the installation height corresponds to the height of one pallet.

Compared with the prior art, the invention has the following beneficial effects:

the utility model provides an, use clamping jaw structure, improve unloading efficiency: compared with the mode that the shifting block is used for stretching in the prior art, the pallet blanking device provided by the invention has the advantages that the clamping jaw structure is used for lifting the pallet, the clamping jaw structure is fast in clamping and opening beat, and the blanking efficiency is greatly improved.

Secondly, the width of the pallet is self-adaptive: the pallet discharging device is provided with the pallet width self-adaptive adjusting mechanism, can adapt to discharging operation of pallets with different widths, and improves the adaptability of the device.

Thirdly, safety and reliability: the clamping jaw of the pallet blanking device adopts a double-clamping jaw structure, wherein the clamping jaw at the inner side is in a shape of 1, the clamping jaw at the outer side is in a shape of L, the connecting block can be wrapped, the clamping of the connecting block is realized, the anti-falling of a multi-layer pallet is realized when the pallet is lifted, and the safety of the device is effectively improved.

Fourthly, blanking without interruption: the pallet discharging device is provided with the infrared sensor for detecting whether the bottom pallet completely leaves the pallet temporary storage bin, and when the bottom pallet completely leaves, the discharging device immediately performs discharging operation on the next pallet, so that uninterrupted discharging of the pallets is realized, and the production beat is ensured.

Drawings

Fig. 1 is a schematic structural view of a pallet blanking device according to the present invention;

fig. 2 is a schematic view of the pallet structure of the present invention;

fig. 3 is a schematic structural diagram of the pallet lifting clamping jaw mechanism and the pallet width adaptive adjusting mechanism in the invention.

The reference numbers in the figures indicate:

1. the system comprises a pallet, 2, a roller conveying line, 3, a pallet lifting clamping jaw mechanism, 4, a pallet temporary storage bin, 5 and a pallet width self-adaptive adjusting mechanism;

101. an upper plate 102, a lower plate 103, a central beam 104 and a connecting block;

301. the electric lifting cylinder mounting plate 302, the electric lifting cylinder 303, the clamping jaw 3031, the inner jaw 3032 and the outer jaw;

401. guard rails, 402, baffles, 403, infrared sensors;

501. the device comprises a sliding rail, 502, a sliding block, 503, a first fixing block, 504, a second fixing block, 505, a first spring, 506 and a second spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

The utility model provides a pallet unloader, its structure is as shown in figure 1 for carry out unloading operation to pallet 1, including roller conveyor line 2, pallet lift clamping jaw mechanism 3 and pallet temporary storage storehouse 4, pallet 1 sets up on roller conveyor line 2, and pallet temporary storage storehouse 4 sets up in the both sides of roller conveyor line 2, and pallet lift clamping jaw mechanism 3 sets up in pallet temporary storage storehouse 4, and pallet lift clamping jaw mechanism 3 sets up on roller conveyor line 2, and the position is corresponding with pallet 1's position.

The structure of the pallet 1 in this embodiment is shown in fig. 2, and includes an upper plate 101, a lower plate 102, a central beam 103, and four connecting blocks 104, where the long plate 101 and the lower plate 102 are connected by the central beam 103, and the four connecting blocks 103 are respectively disposed at four corners of the pallet 1.

Example 1

Because the width of the pallet in the factory is not always consistent, and the position of the connecting block is not at the same position every time, the pallet blanking device in the embodiment is provided with a pallet width self-adaptive adjusting mechanism 5, the pallet width self-adaptive adjusting mechanism 5 is arranged in the pallet temporary storage bin 4, the pallet width self-adaptive adjusting mechanism 5 is fixed on the roller conveying line 2, and the pallet lifting clamping jaw mechanism 3 is arranged on the pallet width self-adaptive adjusting mechanism 5.

The structure of the pallet width adaptive adjusting mechanism 5 and the pallet lifting clamping jaw mechanism 3 is shown in fig. 3, and the pallet width adaptive adjusting mechanism 5 comprises a slide rail 501, a slide block 502, a first fixed block 503, a second fixed block 504, a first spring 505 and a second spring 506. The slide rail 501 is fixed on the roller conveyor line 2. The first fixed block 503, the slider 502, and the second fixed block 504 are sequentially disposed on the slide rail 501. The first fixing block 503 and the second fixing block 504 are locked on the slide rail 501 by a locking structure. The sliding block 502 is slidably connected with the sliding rail 501. The first spring 505 is sleeved on the slide rail 501 between the first fixed block 503 and the slide block 502. The second spring 506 is sleeved on the slide rail between the second fixed block 504 and the slide block 502. The pallet lifting jaw mechanism 3 is fixed to the slide block 502.

The first spring 504 and the second spring 505 are both pre-tensioned springs.

Example 2

The locking structure is a pneumatic locking structure.

Example 3

The locking structure is a mechanical locking structure.

Example 4

The pallet lifting clamping jaw mechanism 3 comprises a lifting electric cylinder mounting plate 301, a lifting electric cylinder 302 and clamping jaws 303, the lifting electric cylinder mounting plate 301 is fixed on the pallet width self-adaptive adjusting mechanism 5, the lifting electric cylinder 302 is fixed on the lifting electric cylinder mounting plate 301 along the vertical direction, and the clamping jaws 303 are fixed on a sliding block of the lifting electric cylinder 302.

Example 5

The clamping jaw 303 comprises an inner jaw 3031, an outer jaw 3032 and a clamping jaw cylinder, the inner jaw 3031 and the outer jaw 3032 are respectively installed on two output shafts of the clamping jaw cylinder, the inner jaw 3031 is a 1-shaped clamping jaw, the outer jaw 3032 is an L-shaped clamping jaw, when the clamping jaw 303 clamps the pallet 1, the inner jaw 3031 is arranged on the inner side of the connecting block 104, and the outer jaw 3032 is arranged on the outer side of the connecting block 104.

The clamping jaw 303 is a 180-degree pneumatic clamping jaw, and when the clamping of the connecting block is stopped, the clamping jaw is in a 180-degree opening state.

Example 6

The pallet temporary storage bin 4 comprises a guardrail 401, a baffle 402 and an infrared sensor 403 for detecting whether the pallet 1 passes through the pallet temporary storage bin 4 or not, the guardrail 401 is arranged on two sides of the roller conveying line 2, the baffle 402 is arranged between the two guardrails 401 and corresponds to the position of the pallet 1, the infrared sensor 403 is arranged at the bottom of the baffle 402, and the installation height corresponds to the height of the pallet 1.

The working principle of the pallet blanking device is as follows:

firstly, the pallet 1 runs to the pallet temporary storage bin 4 through the roller conveying line 2, the pallet 1 is blocked by the baffle 402, and then the roller conveying line 2 stops running. Since the height of each pallet 1 is fixed, the position of the lifting electric cylinder 302 corresponds to the position of the second layer pallet 1, and then the jaw cylinder controls the inner jaw 3031 and the outer jaw 3032 to clamp the connection block 104. The lift cylinders 302 then lift the upper pallet to a height that leaves only the bottommost pallet. Then running roller transfer chain 2 is opened, carries out the unloading operation to the bottom pallet, and after the bottom pallet passes through infrared sensor 403 completely, industrial computer control lift electric jar 302 places the upper pallet on running roller transfer chain 2, repeats above-mentioned step, can accomplish the automatic unloading of pallet.

Before the clamping jaw 303 clamps the connecting block 104, the clamping jaw 303 is only required to be arranged at a position close to the connecting block, the sliding block 502 can adjust the position of the clamping jaw 303 in a self-adaptive manner in the clamping process of the clamping jaw 303, and after the clamping jaw is loosened, the clamping jaw 303 resets through the first spring 505 and the second spring 506, so that the self-adaptive adjustment of the width of the pallet is realized.

While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A pallet blanking device is used for carrying out blanking operation on a pallet (1) and is characterized by comprising a roller conveying line (2), a pallet lifting clamping jaw mechanism (3) and a pallet temporary storage bin (4); the pallet (1) is arranged on the roller conveying line (2); the pallet temporary storage bin (4) is arranged on two sides of the roller conveying line (2); the pallet lifting clamping jaw mechanism (3) is arranged in the pallet temporary storage bin (4); the pallet lifting clamping jaw mechanism (3) is arranged on the roller conveying line (2), and the position of the pallet lifting clamping jaw mechanism corresponds to the position of the pallet (1).

2. A pallet unloading device according to claim 1, characterized in that said pallet unloading device is provided with a pallet width adaptive adjusting mechanism (5); the pallet width self-adaptive adjusting mechanism (5) is arranged in the pallet temporary storage bin (4); the pallet width self-adaptive adjusting mechanism (5) is fixed on the roller conveying line (2); the pallet lifting clamping jaw mechanism (3) is arranged on the pallet width self-adaptive adjusting mechanism (5).

3. A pallet unloading device according to claim 2 wherein said pallet width adaptive adjustment mechanism (5) comprises a slide rail (501), a slide block (502), a first fixed block (503), a second fixed block (504), a first spring (505) and a second spring (506);

the sliding rail (501) is fixed on the roller conveying line (2); the first fixed block (503), the sliding block (502) and the second fixed block (504) are sequentially arranged on the sliding rail (501);

the first fixing block (503) and the second fixing block (504) are locked on the sliding rail (501) through a locking structure; the sliding block (502) is connected with the sliding rail (501) in a sliding manner;

the first spring (505) is sleeved on the sliding rail (501) between the first fixed block (503) and the sliding block (502); the second spring (506) is sleeved on the sliding rail between the second fixed block (504) and the sliding block (502); the pallet lifting clamping jaw mechanism (3) is fixed on the sliding block (502).

4. A pallet blanking apparatus according to claim 3 wherein said first spring (504) and said second spring (505) are both pre-tensioned springs.

5. A pallet unloading apparatus as claimed in claim 3 wherein said locking structure is a pneumatic locking structure or a mechanical locking structure.

6. A pallet unloading device according to claim 1, characterized in that said pallet lifting jaw mechanism (3) comprises a lifting electric cylinder mounting plate (301), a lifting electric cylinder (302) and a jaw (303); the lifting electric cylinder mounting plate (301) is fixed on the pallet width self-adaptive adjusting mechanism (5); the lifting electric cylinder (302) is fixed on the lifting electric cylinder mounting plate (301) along the vertical direction; the clamping jaw (303) is fixed on a sliding block of the lifting electric cylinder (302).

7. A pallet unloading apparatus as claimed in claim 6, characterised in that said jaws (303) are 180 ° pneumatic jaws.

8. A pallet unloading device according to claim 6, characterised in that said pallet (1) comprises an upper deck (101), a lower deck (102), a central beam (103) and four connection blocks (104); the long-layer plate (101) is connected with the lower-layer plate (102) through a central beam (103), and the four connecting blocks (103) are respectively arranged at four corners of the pallet (1).

9. The pallet blanking device according to claim 8 wherein said clamping jaw (303) comprises an inner jaw (3031), an outer jaw (3032) and a clamping jaw cylinder; the inner claw (3031) and the outer claw (3032) are respectively arranged on two output shafts of the clamping jaw cylinder; the inner claw (3031) is a 1-shaped clamping jaw, and the outer claw (3032) is an L-shaped clamping jaw;

when the clamping jaw (303) clamps the pallet (1), the inner claw (3031) is arranged on the inner side of the connecting block (104), and the outer claw (3032) is arranged on the outer side of the connecting block (104).

10. A pallet unloading device according to claim 1, characterized in that said pallet temporary storage bin (4) comprises a guardrail (401), a baffle (402), and an infrared sensor (403) for detecting whether the pallet (1) passes through the pallet temporary storage bin (4); the guardrails (401) are arranged on two sides of the roller conveying line (2); the baffle (402) is arranged between the two guardrails (401) and corresponds to the pallet (1); the infrared sensor (403) is arranged at the bottom of the baffle (402), and the installation height corresponds to the height of a pallet (1).