CN217805748U

CN217805748U - Empty bag grabbing device suitable for automatic unpacking station

Info

Publication number: CN217805748U
Application number: CN202222070627.7U
Authority: CN
Inventors: 封喜雷; 朱文勇; 邓元龙; 李伟川; 杜建伟; 夏私访
Original assignee: Beijing Chengyitong Technology Co ltd
Current assignee: Beijing Chengyitong Technology Co ltd
Priority date: 2022-08-08
Filing date: 2022-08-08
Publication date: 2022-11-15
Anticipated expiration: 2032-08-08

Abstract

The utility model discloses an empty bag grabbing device suitable for automatic unpacking station, the fixed setting of empty bag grabbing device's horizontal adjusting device is on empty bag grabbing device mount pad, every single move adjusting device is connected with horizontal adjusting device, revolving cylinder passes through the forearm and is connected with horizontal adjusting device and every single move adjusting device respectively, revolving cylinder's output is connected with the swinging boom, the front end and the biax cylinder fixed connection of swinging boom, the fixed setting of finger cylinder is on the output shaft of biax cylinder, the fixed output that sets up at the finger cylinder of tongs. The utility model discloses can carry out the material bag secondary separation with the powder and accurately put in useless bag screw conveyor to the empty bag after the separation, empty bag grabbing device replaces the manual work and carries out the secondary separation through shaking and rocking the material bag, guarantees that empty bag powder remains and is not more than 0.1% of gross weight, and material bag separation degree of automation is high, does not have personnel to participate in the material bag separation process, has stopped the dust and has influenced labourer's health, reduces labour's cost, improves work efficiency.

Description

Empty bag grabbing device suitable for automatic unpacking station

Technical Field

The utility model relates to a pharmacy or food production machinery technical field especially relate to an empty bag grabbing device suitable for automatic unpacking station.

Background

Woven bags and kraft paper bags are very common material transfer forms and are widely applied to pharmaceutical enterprises and food enterprises. The bagged materials are divided into two layers, the inner bag is a PE bag for directly filling materials, and the outer layer is sleeved with a woven bag or a kraft bag for preventing damage, dust and the like in the transportation process. The bagged material is in the use, and the outsourcing need take off the package in advance then can transport to clean district and tear the endocyst open and throw the material. In the process of feeding materials by disassembling the inner bag, the manual bag unpacking station and the semi-automatic bag unpacking machine need manual bag separation after unpacking, the empty bags are collected, and the powder and flying dust are inevitably contacted in the working process, so that the health of workers is influenced.

Therefore, it is desirable to provide an empty bag gripping device suitable for an automatic unpacking station, which is used for replacing the manual work for carrying out the secondary separation of the material bags and collecting the empty material bags.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an empty bag grabbing device suitable for automatic unpacking station realizes accurately snatching the wrapping bag of automatic unpacking station material bag separation and carries out the secondary separation of material bag to shift empty bag to in the useless bag screw conveyor.

In order to solve the technical problems, the utility model adopts the following technical proposal:

an empty bag gripping device suitable for an automatic unpacking station comprises the automatic unpacking station and the empty bag gripping device, wherein the automatic unpacking station comprises a feeding bin and an empty bag gripping device mounting seat, a bag outlet door is arranged on one side of the feeding bin, and the empty bag gripping device mounting seat is horizontally arranged at the bottom outside the bag outlet door; empty bag grabbing device includes revolving cylinder, biax cylinder, finger cylinder, tongs and horizontal adjusting device and every single move adjusting device, horizontal adjusting device is fixed to be set up on empty bag grabbing device mount pad, every single move adjusting device is connected with horizontal adjusting device, revolving cylinder passes through the forearm and is connected with horizontal adjusting device and every single move adjusting device respectively, revolving cylinder's output is connected with the swinging boom, the front end and the biax cylinder fixed connection of swinging boom, the finger cylinder is fixed to be set up on the output shaft of biax cylinder, the tongs is fixed to be set up at the output of finger cylinder.

Preferably, horizontal adjusting device includes first swing arm, second swing arm and horizontal stroke cylinder, first swing arm is fixed to be set up on empty bag grabbing device mount pad through first swing arm mount pad, the second swing arm passes through fixed the setting on empty bag grabbing device mount pad of second swing arm mount pad, first swing arm and second swing arm parallel arrangement, the output of horizontal stroke cylinder is through the round pin hub connection with the top of second swing arm, horizontal stroke cylinder base passes through fixed the setting on the empty bag grabbing device mount pad between first swing arm mount pad and second swing arm mount pad of horizontal stroke cylinder mount pad. Through the stretching of the horizontal stroke cylinder in the horizontal adjusting device, the front arm and the rotary cylinder can be driven to move forwards and move to the central position of the feeding bin.

Preferably, every single move adjusting device includes A-frame and every single move stroke cylinder, the diapire both ends of A-frame are respectively through the round pin hub connection with the top of first swing arm and second swing arm, the output of every single move stroke cylinder is through the round pin hub connection with the front end top of forearm, every single move stroke cylinder base is through the round pin hub connection with the top of A-frame, the rear end of forearm is through the round pin hub connection with the top of second swing arm, rotatory cylinder is fixed to be set up in the bottom of forearm front end. The front arm and the rotary cylinder can be driven to move downwards through the stretching of the pitching stroke cylinder of the pitching adjusting device, and the position of grabbing the empty bag in the feeding bin can be moved.

Preferably, the output shaft of the double-shaft cylinder is vertically arranged and is arranged at the bottom end of the double-shaft cylinder, a finger cylinder connecting plate is fixedly arranged on the output shaft of the double-shaft cylinder, and the finger cylinder is fixedly arranged on the finger cylinder connecting plate.

The rotating arm is driven by the rotating cylinder to stretch into the feeding bin, and the horizontal stroke cylinder stretches out completely to ensure that the finger cylinder reaches the center of the feeding bin. The pitching stroke cylinder extends completely, so that the gripper on the finger cylinder is ensured to be in the best gripping position, and the finger cylinder is closed to drive the gripper to turn upwards to grip an empty bag. The bag shaking function is realized by repeatedly stretching and retracting the double-shaft cylinder for 3 times. The rotary cylinder drives the rotary arm to rotate left and right for 3 times, so that the function of left and right shaking is realized. The rotating cylinder rotates by retracting the pitching stroke cylinder and the horizontal stroke cylinder to drive the rotating arm to return to the initial position. The finger cylinder is opened, and the empty bag falls into the waste bag spiral conveying device freely by gravity.

Preferably, the feeding bin of the automatic unpacking station is also provided with a feeding door, and the feeding door corresponds to the bag outlet door.

Preferably, a blanking platform and a blanking platform cylinder are further arranged on one side of a feeding door of the feeding bin, the blanking platform cylinder is obliquely arranged at the bottom of the blanking platform, a vibrating screen is arranged in the feeding bin, and the vibrating screen is in butt joint with the blanking platform. The materials are placed on a blanking platform of the bag opening assembly, the blanking platform is inclined after being pushed by a cylinder of the blanking platform, and the materials slide down by gravity and slide onto a vibrating screen in the feeding bin through a feeding door. And the feeding door is completely closed, and the vibration motor of the vibration screen is started to realize the first separation of the material bags. And after the work of the vibrating screen is finished, the bag outlet door is completely opened, and the empty bag gripping device is started. And resetting the blanking platform and feeding. After the empty bag grabbing device finishes the empty bag grabbing action, the bag outlet door is completely closed, the feeding door is completely opened, the materials are already placed on the blanking platform, and the equipment enters a new working period.

Preferably, the top of the feeding bin is provided with a dust removal assembly. The dust removal component adopts a metal sintering net filter element with a dust removal fan, so that dust can be prevented from escaping.

Preferably, the waste bag spiral conveying device is arranged below the finger cylinder when the rotating arm is in the initial position.

Preferably, the horizontal stroke cylinder is a 100 stroke cylinder, and the pitch stroke cylinder is a 50 stroke cylinder.

The utility model has the advantages as follows:

the utility model discloses owing to adopted above technical scheme, can carry out the pocket secondary separation with the powder and accurately put in useless bag screw conveyor to the empty bag after the separation, empty bag grabbing device replaces the manual work and carries out the secondary separation through the shake with the pocket, guarantee that empty bag powder remains and be not more than 0.1% of gross weight, pocket separation degree of automation is high, no personnel participate in the pocket separation process, the dust has been stopped to labourer's health influence, reduce labour's cost, and work efficiency is improved. The equipment has simple structure, is safe and convenient, and has wide application prospect in the industries of pharmacy, veterinary drugs, food and the like.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to make the technical means more comprehensible, and to make the above and other objects, technical features, and advantages of the present invention easier to understand, one or more preferred embodiments are listed below, and the following detailed description is given with reference to the accompanying drawings.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 shows the overall structure schematic diagram of the empty bag gripping device suitable for the automatic unpacking station of the present invention.

Fig. 2 shows the utility model discloses an empty bag grabbing device's automatic bale breaking station structure sketch suitable for automatic bale breaking station.

Fig. 3 shows the utility model discloses an empty bag grabbing device's empty bag grabbing device schematic structure view suitable for automatic unpacking station.

Description of the main reference numerals:

1-automatic unpacking station, 101-blanking platform, 102-blanking platform cylinder, 103-feeding bin, 104-dedusting assembly, 105-vibrating screen, 106-bag outlet door, 107-feeding door, 108-empty bag gripping device mounting seat, 2-empty bag gripping device, 201-first swing arm mounting seat, 202-first swing arm, 203-second swing arm mounting seat, 204-second swing arm, 205-horizontal stroke cylinder mounting seat, 206-horizontal stroke cylinder base, 207-horizontal stroke cylinder, 208-triangular support, 209-pitch stroke cylinder base, 210-pitch stroke cylinder, 211-front arm, 212-rotating cylinder, 213-rotating arm, 214-double-shaft cylinder, 215-finger cylinder connecting plate, 216-finger cylinder, 217-gripper, 3-waste bag spiral conveying device.

Detailed Description

The following detailed description of the present invention is provided with reference to the accompanying drawings, but it should be understood that the scope of the invention is not limited by the detailed description.

Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.

Spatially relative terms, such as "below," "lower," "upper," "above," "upper," and the like, may be used herein for ease of description to describe one element or feature's relationship to another element or feature in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the article in use or operation in addition to the orientation depicted in the figures. For example, if the items in the figures are turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the elements or features. Thus, the exemplary term "below" can encompass both an orientation of below and above. The articles may have other orientations (rotated 90 degrees or otherwise) and the spatially relative terms used herein should be interpreted accordingly.

As shown in fig. 1-3, an empty bag gripping device suitable for an automatic unpacking station comprises an automatic unpacking station 1 and an empty bag gripping device 2, wherein the automatic unpacking station 1 comprises a feeding bin 103 and an empty bag gripping device mounting seat 108, a bag outlet door 106 is arranged on one side of the feeding bin 103, and the empty bag gripping device mounting seat 108 is horizontally arranged at the bottom outside the bag outlet door 106.

The feeding bin 103 of the automatic unpacking station 1 is also provided with a feeding door 107, and the feeding door 107 corresponds to the bag outlet door 106.

The automatic feeding device is characterized in that a blanking platform 101 and a blanking platform cylinder 102 are further arranged on one side of a feeding door 107 of the feeding bin 103, the blanking platform cylinder 102 is obliquely arranged at the bottom of the blanking platform 101, a vibrating screen 105 is arranged in the feeding bin 103, and the vibrating screen 105 is in butt joint with the blanking platform 101. The materials are placed on a blanking platform 101 of the bag opening assembly, the blanking platform 101 inclines after being pushed by a blanking platform cylinder 102, and the materials slide down by gravity and slide onto a vibrating screen 105 in a feeding bin 103 through a feeding door 107. The feeding door 107 is completely closed, and the vibrating motor of the vibrating screen 105 is started to realize the first separation of the material bags. The operation of the vibrating screen 105 is finished, the bag outlet door 106 is completely opened, and the empty bag gripping device 2 is started. The blanking platform 101 resets and is loaded. After the empty bag grabbing device 2 finishes the empty bag grabbing action, the bag outlet door 106 is completely closed, the feeding door 107 is completely opened, the materials are already placed on the blanking platform 101, and the equipment enters a new working cycle.

The top of the feeding bin 103 is provided with a dust removal assembly 104. The dust removal component 104 adopts a metal sintering net filter element with a dust removal fan, so that dust can be prevented from escaping.

The empty bag gripping device 2 comprises a rotary cylinder 212, a double-shaft cylinder 214, a finger cylinder 216, a gripper 217, a horizontal adjusting device and a pitching adjusting device, the horizontal adjusting device is fixedly arranged on the empty bag gripping device mounting seat 108, the pitching adjusting device is connected with the horizontal adjusting device, the rotary cylinder 212 is respectively connected with the horizontal adjusting device and the pitching adjusting device through a front arm 211, the output end of the rotary cylinder 212 is connected with a rotating arm 213, the front end of the rotating arm 213 is fixedly connected with the double-shaft cylinder 214, the finger cylinder 216 is fixedly arranged on the output shaft of the double-shaft cylinder 214, and the gripper 217 is fixedly arranged at the output end of the finger cylinder 216.

The horizontal adjusting device comprises a first swing arm 202, a second swing arm 204 and a horizontal stroke cylinder 207, wherein the first swing arm 202 is fixedly arranged on the empty bag gripping device mounting seat 108 through a first swing arm mounting seat 201, the second swing arm 204 is fixedly arranged on the empty bag gripping device mounting seat 108 through a second swing arm mounting seat 203, the first swing arm 202 and the second swing arm 204 are arranged in parallel, the output end of the horizontal stroke cylinder 207 is connected with the top end of the second swing arm 204 through a pin shaft, and a horizontal stroke cylinder base 206 is fixedly arranged on the empty bag gripping device mounting seat 108 between the first swing arm mounting seat 201 and the second swing arm mounting seat 203 through a horizontal stroke cylinder mounting seat 205. Through the extension of the horizontal stroke cylinder 207 in the horizontal adjusting device, the front arm 211 and the rotary cylinder 212 can be driven to move forwards and move to the central position of the feeding bin 103. The horizontal stroke cylinder 207 is a 100 stroke cylinder.

Every single move adjusting device includes A-frame 208 and every single move stroke cylinder 210, A-frame 208's diapire both ends respectively with first swing arm 202 and second swing arm 204's top through the round pin hub connection, every single move stroke cylinder 210's output and forearm 211's front end top are through the round pin hub connection, every single move stroke cylinder base 209 is through the round pin hub connection with A-frame 208's top, forearm 211's rear end is through the round pin hub connection with second swing arm 204's top, revolving cylinder 212 is fixed to be set up in the bottom of forearm 211 front end. Through the extension of the pitch stroke cylinder 210 of the pitch adjusting device, the front arm 211 and the rotary cylinder 212 can be driven to move downwards and move to the position for grabbing the empty bag in the feeding bin 103. The pitch stroke cylinder 210 is a 50 stroke cylinder.

The output shaft of the double-shaft cylinder 214 is vertically arranged and is arranged at the bottom end of the double-shaft cylinder 214, a finger cylinder connecting plate 215 is fixedly arranged on the output shaft of the double-shaft cylinder 214, and the finger cylinder 216 is fixedly arranged on the finger cylinder connecting plate 215.

The device further comprises a waste bag screw conveying device 3, and the waste bag screw conveying device 3 is arranged below the finger cylinder 216 at the initial position of the rotating arm 213.

The rotating arm 213 is driven by the rotating cylinder 212 to extend into the dosing bin 103, and the finger cylinder 216 is ensured to reach the central position of the dosing bin 103 by the full extension of the horizontal stroke cylinder 207. The lifting stroke cylinder 210 is fully extended, so that the gripper 217 on the finger cylinder 216 is ensured to be in the optimal gripping position, and the finger cylinder 216 is closed to drive the gripper 217 to turn upwards to grip an empty bag. The bag shaking function is realized by repeatedly stretching and retracting the double-shaft cylinder 214 for 3 times. The rotating arm 213 is driven by the rotating cylinder 212 to rotate left and right for 3 times, so that the left and right shaking function is realized. By retracting the pitch stroke cylinder 210 and the horizontal stroke cylinder 207, the rotation cylinder 212 rotates, bringing the rotation arm 213 back to the initial position. The finger cylinder 216 is opened, and the empty bag falls into the waste bag screw conveyor 3 by gravity.

The utility model discloses an empty bag grabbing device suitable for automatic unpacking station's concrete working procedure as follows:

step one, materials are placed on a blanking platform 101 of an unpacking component, signals are output, and a rotary knife motor is controlled to be started and a fan of a dust removal component 104 is controlled to be started; at this moment, the feeding door 107 is a completely opened state signal and the bag outlet door 106 is a completely closed state signal, the piston rod of the output end of the blanking platform cylinder 102 extends out, the blanking platform cylinder 102 is provided with a magnetic switch, the piston rod can feed back a signal when extending out completely, the time is delayed for 5 seconds, the material slides onto the vibrating screen 105 in the feeding bin 103 by the gravity, the cylinder of the feeding door 107 is controlled to start, the driving slider drives the feeding door 107 to close, when the feeding door 107 is completely closed, the photoelectric switch of the detection door can feed back a signal, the vibrating motor of the vibrating screen 105 is controlled to start and reset the blanking platform 101 by the signal, when the blanking platform 101 is completely reset, the magnetic switch on the blanking platform cylinder 102 can feed back a signal, and the feeding device is controlled to feed materials for the platform.

And step two, starting a vibrating motor of the vibrating screen 105 after receiving a signal that the feeding door 107 is completely closed, replacing manual shaking with vibration of the vibrating screen 105 to realize first separation of the material bag, and ensuring that dust does not escape when the bag is opened and the vibrating screen 105 works by the dust removal component 104, thereby protecting the operating environment. Vibrating screen 105's vibrating motor vibrates 5 seconds later and stops, has signal feedback, and the play bag door 106 cylinder of control batch bin 103 starts, and the drive slider drives out bag door 106 and opens, opens when a bag door 106 is opened completely, and photoelectric switch detects to have signal feedback, uses this signal control empty bag grabbing device 2 to start and the feed gate 107 is opened.

And step three, starting the empty bag gripping device 2, driving the rotating arm 213 to extend into the feeding bin 103 through the rotating 212 air cylinder, controlling the rotating position of the rotating arm 213 through the rotating 212 air cylinder with a magnetic switch, completely reaching the position, and feeding back a signal, controlling the piston rod of the horizontal stroke air cylinder 207 to extend by using the signal, ensuring that the finger air cylinder 216 reaches the central position of the feeding bin 103, detecting the piston rod of the air cylinder to completely extend through the horizontal stroke air cylinder 207 with the magnetic switch, and feeding back the signal after the piston rod extends to the position. The signal is used for controlling a piston rod of a pitching stroke cylinder 210 to extend, so that a gripper 217 is ensured to be at an optimal gripping position, a magnetic switch on the same cylinder has signal feedback after the gripper 217 extends to the right position, the signal is used for controlling a finger cylinder 216 to supply air, the finger cylinder 216 is closed, the finger cylinder 216 drives the gripper 217 to turn upwards and fold to grip an empty bag, after the finger cylinder 216 is completely closed, the magnetic switch on the cylinder has signal feedback, the signal is used for controlling a double-shaft cylinder 214 to extend out, the double-shaft cylinder 214 is provided with 2 magnetic switches to respectively control the cylinder piston rod to extend out and retract completely, the 2 magnetic switches are used for controlling the piston rod to extend out 3 times repeatedly to realize the vertical shaking function of the empty bag, after shaking is completed, the piston rod of the double-shaft cylinder 214 is in a completely retracted state, the magnetic switches on the cylinder have signal feedback, the signal is used for controlling the rotary cylinder 212 to start to drive a rotary arm 213, when the magnetic switch in the middle of the rotary cylinder 213 has signal output, the signal is used for controlling to change the air supply direction of the rotary cylinder 212, the rotary cylinder 212 is returned to the left and right, and the rotary cylinder 212 has the function of the magnetic switch, and the rotary bag can be returned to the rotary bag to the full rotary cylinder 212, and the full rotary switch can be stopped. The signal is used for controlling the horizontal stroke air cylinder 207 to retract, the magnetic switch on the horizontal stroke air cylinder 207 detects the complete retraction, and a signal is fed back, the signal is used for starting the rotary air cylinder 212 to drive the rotary arm 213 to return to the initial position, and the magnetic switch at the starting end on the rotary air cylinder 212 has signal feedback. The signal is used for controlling the finger cylinder 216 to supply gas in a reversing way, the finger cylinder 216 opens to drive the gripper 217 to reset and release downwards, the empty bag falls into the empty bag spiral conveying device 3 freely by gravity, the magnetic switch on the cylinder has signal feedback after the finger cylinder 216 is completely opened, and the signal is used for controlling the air cylinder 106 of the bag outlet door 106

When the valve is started, the piston block moves downwards to close the bag outlet door 106, and a signal is fed back when the photoelectric switch detects that the valve is completely closed.

And step four, after the blanking platform 101 detects a material signal, a bag outlet door 106 is completely closed and a feeding door 107 is completely opened, and the equipment enters a new working period.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. Any simple modifications, equivalent changes and modifications made to the above exemplary embodiments shall fall within the scope of the present invention.

Claims

1. The empty bag gripping device suitable for the automatic unpacking station is characterized by comprising an automatic unpacking station (1) and an empty bag gripping device (2), wherein the automatic unpacking station (1) comprises a feeding bin (103) and an empty bag gripping device mounting seat (108), a bag outlet door (106) is arranged on one side of the feeding bin (103), and the empty bag gripping device mounting seat (108) is horizontally arranged at the bottom outside the bag outlet door (106);

empty bag grabbing device (2) are including revolving cylinder (212), biax cylinder (214), finger cylinder (216), tongs (217) and level (l) ing device and every single move adjusting device, the fixed setting of level (l) ing device is on empty bag grabbing device mount pad (108), every single move adjusting device is connected with level (l) ing device, revolving cylinder (212) are connected with level (l) ing device and every single move adjusting device respectively through forearm (211), the output of revolving cylinder (212) is connected with swinging boom (213), the front end and the biax cylinder (214) fixed connection of swinging boom (213), finger cylinder (216) are fixed to be set up on the output shaft of biax cylinder (214), tongs (217) are fixed to be set up at the output of finger cylinder (216).

2. The empty bag gripping device suitable for the automatic unpacking station is characterized in that the horizontal adjusting device comprises a first swing arm (202), a second swing arm (204) and a horizontal stroke cylinder (207), the first swing arm (202) is fixedly arranged on the empty bag gripping device mounting seat (108) through a first swing arm mounting seat (201), the second swing arm (204) is fixedly arranged on the empty bag gripping device mounting seat (108) through a second swing arm mounting seat (203), the first swing arm (202) and the second swing arm (204) are arranged in parallel, the output end of the horizontal stroke cylinder (207) is connected with the top end of the second swing arm (204) through a pin shaft, and the horizontal stroke cylinder base (206) is fixedly arranged on the empty bag gripping device mounting seat (108) between the first swing arm mounting seat (201) and the second swing arm mounting seat (203) through a horizontal stroke cylinder mounting seat (205).

3. The empty bag grabbing device suitable for the automatic unpacking station is claimed in claim 2, wherein the pitching adjusting device comprises a triangular bracket (208) and a pitching stroke cylinder (210), two ends of the bottom wall of the triangular bracket (208) are respectively connected with the top ends of the first swing arm (202) and the second swing arm (204) through pins, the output end of the pitching stroke cylinder (210) is connected with the top end of the front arm (211) through a pin, the pitching stroke cylinder base (209) is connected with the top end of the triangular bracket (208) through a pin, the rear end of the front arm (211) is connected with the top end of the second swing arm (204) through a pin, and the rotating cylinder (212) is fixedly arranged at the bottom of the front end of the front arm (211).

4. The empty bag gripping device suitable for the automatic unpacking station is characterized in that an output shaft of the double-shaft air cylinder (214) is vertically arranged and is arranged at the bottom end of the double-shaft air cylinder (214), a finger air cylinder connecting plate (215) is fixedly arranged on the output shaft of the double-shaft air cylinder (214), and the finger air cylinder (216) is fixedly arranged on the finger air cylinder connecting plate (215).

5. The empty bag gripping device suitable for the automatic unpacking station is characterized in that the feeding bin (103) of the automatic unpacking station (1) is also provided with a feeding door (107), and the feeding door (107) corresponds to the bag outlet door (106).

6. The empty bag grabbing device suitable for the automatic unpacking station is characterized in that a blanking platform (101) and a blanking platform cylinder (102) are further arranged on one side of a feeding door (107) of the feeding bin (103), the blanking platform cylinder (102) is obliquely arranged at the bottom of the blanking platform (101), a vibrating screen (105) is arranged in the feeding bin (103), and the vibrating screen (105) is in butt joint with the blanking platform (101).

7. The empty bag gripping device suitable for the automatic unpacking station is characterized in that a dedusting component (104) is arranged at the top of the feeding bin (103).

8. The empty bag gripping device suitable for the automatic unpacking station as recited in claim 1, further comprising a waste bag screw conveyor (3), wherein the waste bag screw conveyor (3) is arranged below the finger cylinder (216) at the initial position of the rotating arm (213).

9. The empty bag gripping device suitable for use in an automatic unpacking station as set forth in claim 3, wherein the horizontal stroke cylinder (207) is a 100 stroke cylinder and the pitch stroke cylinder (210) is a 50 stroke cylinder.