CN110937319B

CN110937319B - Automatic cotton bale arranging machine for straight-line bale plucker and automatic cotton bale arranging method

Info

Publication number: CN110937319B
Application number: CN201911264359.9A
Authority: CN
Inventors: 裴泽光; 王兴宝; 周彬; 许甜; 李亚荣; 戴豪杰; 陈革
Original assignee: Donghua University
Current assignee: Donghua University
Priority date: 2019-12-11
Filing date: 2019-12-11
Publication date: 2021-11-26
Anticipated expiration: 2039-12-11
Also published as: CN110937319A

Abstract

The invention relates to an automatic cotton bale arranging machine and an automatic cotton bale arranging method for a straight-line bale plucker, belonging to the technical field of textile equipment; the automatic cotton bale arranging machine comprises a cotton bale conveyor, a belt removing device, a cotton bale carrying and bag removing device, a bag cutting and cotton block pushing device and a waste bag collecting box, wherein the belt removing device is arranged on two sides of the middle section of the cotton bale conveyor; two sides of the straight bale plucker are provided with bale arranging stations, and two sides of the bale arranging stations are provided with bag cutting and cotton block pushing devices; a cotton bale carrying and bag removing device which can move back and forth is arranged between the bag cutting and cotton block pushing device and the cotton bale conveyor. The automatic cotton bale discharging machine automatically finishes the work of conveying cotton bales, cutting belts, carrying, cutting bags, removing bags, discharging and collecting waste bags by adopting an automatic mechanical device, replaces the traditional manual bale discharging process, effectively saves labor, reduces the labor intensity of operators, and obviously improves the production efficiency.

Description

Automatic cotton bale arranging machine for straight-line bale plucker and automatic cotton bale arranging method

Technical Field

The invention relates to an automatic cotton bale arranging machine and an automatic cotton bale arranging method for a straight-line bale plucker, and belongs to the technical field of textile equipment.

Background

The straight reciprocating automatic plucker is often the first equipment in the spinning production process, and the main function of the straight reciprocating automatic plucker is to grab fibers from cotton bales which are arranged on two sides of the straight reciprocating automatic plucker and are arranged in a straight line, and send the grabbed fiber blocks to a front machine for processing. For storage and transportation, textile fibers are usually transported to a spinning mill in the form of bales, i.e. a large number of fibers are compacted into cuboids, which are externally packed in plastic bags or bags, and then bound by several strapping bands perpendicular to the length direction of the bales. The bale is discharged before the straight reciprocating automatic plucker or on the opposite side of the plucker beater during plucker operation. In the prior art, the carrying, unpacking and unpacking processes of the cotton bale in the cotton bale arranging process are manually operated by workers, the labor intensity is high, the working efficiency is low, and the automatic mechanical device is urgently needed to realize the cotton bale arranging work under the background of labor cost rise and labor shortage of a textile mill at present.

Disclosure of Invention

The invention aims to solve the technical problems of high labor intensity and low working efficiency caused by manual carrying, unpacking and arranging of cotton bales of a straight reciprocating type automatic plucker.

In order to achieve the purpose of solving the problems, the technical scheme adopted by the invention is to provide an automatic cotton bale arranging machine for a straight-line bale plucker, which comprises a cotton bale conveyor, a belt removing device, a cotton bale carrying and removing device, a bag cutting and pushing device and a waste bag collecting box, wherein the belt removing device is arranged on two sides of the middle section of the cotton bale conveyor; two sides of the straight bale plucker are provided with bale arranging stations, and two sides of the bale arranging stations are provided with bag cutting and cotton block pushing devices; a cotton bale carrying and removing device capable of moving back and forth is arranged between the bag cutting and cotton block pushing device and the cotton bale conveyor; the cotton bale carrying and bag removing device is provided with a waste bag collecting box in the motion area.

Preferably, the automatic cotton bale discharging machine is provided with a to-be-removed belt station, a belt cutting station, a belt hooking station, a waste belt discarding station, a to-be-carried station, a carrying station, a to-be-cut bag station, a to-be-removed bag station, a bale discharging station, a waste bag discarding station and a waste bag receiving station in work; the cotton bale conveyor conveys cotton bales provided with packaging bags and strapping tapes to the station to be subjected to tape removal and the station to be conveyed in sequence; the belt removing device is provided with a belt cutting station and a belt hooking station and is used for removing the strapping belts on the cotton bales to be subjected to belt removing; the carrying station is provided with a cotton bale carrying and bag removing device, and the cotton bales with the removed strapping tapes are carried from the station to be carried to a station to be cut; the cotton bale carrying and bag removing device removes the packaging bags positioned at the bag removing station and outside the cut cotton bales; the cotton bale carrying and removing device carries the packaging bags outside the cotton bales from the bag-to-be-removed station to the waste bag discarding station; the bag cutting and cotton block pushing device cuts the bottom of the packaging bag of the cotton bale with the removed strapping tape; the bag removing station is arranged right above the bag cutting station; the belt cutting and cotton block pushing device jacks up the cut cotton bale at the bottom of the packaging bag to the bag removing station; the belt cutting and cotton block pushing device pushes the cotton blocks with the packaging bags removed to a bag arranging station; the waste bag receiving station is provided with a waste bag collecting box for receiving and storing the packaging bags removed from the cotton bale.

Preferably, the bale cotton conveyor is of a belt type roller conveyor structure and comprises a rack, a motor, a transmission assembly, rollers, a roller supporting frame, a conveying belt and a transmission shaft; the transmission assembly comprises a belt wheel, a transmission belt and a transmission shaft; the roller supporting frame is arranged on the rack, rollers are arranged in the roller supporting frame, a conveying belt is arranged on the rollers through front and rear transmission shafts, a driving belt is arranged on the transmission shafts, and the motor drives the driving belt through a belt wheel.

Preferably, the belt removing device comprises a belt cutting device and a belt hooking device; the belt cutting device comprises a box body, a motor, a transmission assembly and a belt cutting knife assembly; the motor is arranged in the box body and is connected with the belt cutter assembly through a transmission assembly; the transmission assembly comprises a belt wheel and a transmission belt; the tape cutting knife assembly comprises tape cutting knives with the number equal to that of the cotton bale strapping tapes, and the tape cutting knives are arranged at positions corresponding to the strapping tapes on the cotton bale; the belt cutting knife is provided with a shaft section for mounting a transmission belt and a disc-like blade provided with a protruding knife edge part; the belt hooking device comprises a box body, a motor, a transmission assembly, a belt hooking assembly, a waste belt collecting box, a gear, a rack guide rail and a guide rail; the motor is arranged in the box body and is connected with the belt hook assembly through the transmission assembly; the transmission assembly comprises a belt wheel and a transmission belt; the hook assembly comprises hooks with the number equal to that of the cotton bale strapping tapes, and the hooks are arranged at positions corresponding to the strapping tapes on the cotton bale; the belt hook is provided with a shaft section for mounting the transmission belt and a disc-like hook sheet provided with a protruding hook part; a waste belt collecting box is arranged below the belt hook component on one side of the box body; the motor moves between the belt hooking station and the waste belt discarding station along the rack guide rail and the guide rail through the gear transmission box body.

Preferably, the cotton bale carrying and bag removing device comprises a rack guide rail, a moving base, a moving rotary table and a mechanical arm; a moving base is arranged on the rack guide rail, a moving rotary table is arranged on the moving base, and a mechanical arm is arranged on the moving rotary table; the end of the mechanical arm is provided with a left clamping part and a right clamping part, and the clamping parts are provided with bag grabbing claw mechanisms.

Preferably, the bag cutting and cotton block pushing device comprises a box body, a rack guide rail, a rotating platform, a bag pushing frame, a hydraulic cylinder body, a bag cutting tool and a pushing handle; the rack guide rail and the guide rail are provided with a box body, and a bag cutting tool, a rotating platform and a bag jacking frame are arranged in the box body; a liftable rotating platform is arranged in the box body, a belt-shaped bag cutting tool is arranged on the rotating platform, and a bag jacking frame is also arranged on the rotating platform; a push handle is arranged on one side above the box body and connected with the hydraulic cylinder body, and the moving direction of the push handle is vertical to the moving direction of the straight-line bale plucker; the upper surface of the box body is provided with two mutually crossed rectangular holes which enable the bag cutting tool to extend out and the bag jacking frame to extend out.

Preferably, the number of the bag cutting and cotton block pushing devices is at least 2.

The invention also provides a method for automatically discharging the cotton bale by the automatic cotton bale discharging machine of the straight-line plucker, which comprises the following steps:

step 1: the cotton bale conveyor conveys the cotton bales which are placed on the conveyor belt and are not removed from the strapping tape and the packaging bags to a tape removing station, and then the cotton bales are suspended;

step 2: when the strapping tapes and the cotton bales which are not removed from the packaging bags are positioned at a station to be subjected to tape removal, the tape removal device hooks the strapping tapes through the tape hooks of the tape hook assembly of the tape hooking device respectively, cuts off the strapping tapes through the tape cutters of the tape cutter assembly of the tape cutter device respectively, then moves the tape hooking device to a waste tape discarding station to discard the strapping tapes to a waste tape collecting box, restores the tape removal device to the initial position, and then stops working;

and step 3: the cotton bale conveyor conveys the cotton bales, which are positioned at the to-be-stripped station and have been stripped, to the to-be-carried station, and then the cotton bales are suspended;

and 4, step 4: the cotton bale carrying and bag removing device positioned at the carrying station carries the cotton bale with the removed strapping tape to a bag cutting station and stops working;

and 5: when the cotton bale with the removed strapping tape is positioned at a bag cutting station, the bag cutting and cotton block pushing device cuts two cracks on the bottom surface of the packaging bag, jacks up the cotton bale with the removed strapping tape to the bag cutting station, and stops working;

step 6: the cotton bale carrying and bag removing device grips two sides of the packaging bag, which is cut with two cracks, of the cotton bale, lifts the packaging bag to separate from a cotton block formed by a textile fiber aggregate, then moves to a waste bag discarding station, discards the packaging bag into a waste bag collecting box, moves to a carrying station, and stops working;

and 7: after the packaging bag is grabbed by the cotton bag carrying and removing device and separated from the cotton blocks, the bag cutting and cotton block pushing device lowers the cotton blocks from a bag removing station to a bag cutting station, then pushes the cotton blocks to a bag discharging station, restores the bag cutting and cotton block pushing device to an initial state, moves to a position right opposite to the next cotton block to be discharged, and then stops working;

and (4) repeating the steps 1 to 7 until the cotton blocks are automatically arranged at the bale arranging station. .

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

the automatic cotton bale discharging machine can automatically complete the cotton bale conveying, belt cutting, carrying, bag cutting, bag removing, discharging and waste bag collecting work by adopting an automatic mechanical device, replaces the traditional manual bag discharging process, effectively saves labor, reduces the labor intensity of operators, and can obviously improve the production efficiency.

Drawings

FIG. 1 is a perspective view showing the operation of the automatic bale arranging machine of the present invention;

FIG. 2 is a top view of the automatic bale arranging machine of the present invention during operation;

FIG. 3 is a perspective view of the bale conveyor of the present invention;

FIG. 4 is a perspective view of the bale conveyor of the present invention during its transport to a station where belts are to be removed;

FIG. 5 is a perspective view of a bale of cotton with its strapping removed from the to-be-removed station to the to-be-handled station of the bale conveyor of the present invention;

FIG. 6 is a perspective view of the detapping apparatus of the present invention;

fig. 7 is a perspective cross-sectional view of a cutting belt device of the present invention;

fig. 8 is a perspective view of a through slot of the belt cutting device of the present invention;

FIG. 9 is a longitudinal cross-sectional view of the tape cutting apparatus of the present invention with the tape cutters in an initial angular position prior to operation;

FIG. 10 is a perspective view of the tape cutter of the present invention;

FIG. 11 is a perspective view of a belt driving mechanism formed by the belt cutter and the driving belt according to the present invention;

FIG. 12 is a longitudinal cross-sectional view of the hook strip apparatus of the present invention;

FIG. 13 is a partial bottom plan view of the bottom drive mechanism of the hook strip apparatus of the present invention;

FIG. 14 is a perspective view of the through slot of the hook strip apparatus of the present invention;

fig. 15 is a longitudinal sectional view of the hook tape device of the present invention with the respective tape hooks in an initial angular position before operation;

FIG. 16 is a perspective view of the present invention with a hook;

FIG. 17 is a perspective view of a belt drive mechanism formed by the belt hook and the belt of the present invention;

FIG. 18 is a longitudinal sectional view of the tape removing device of the present invention at the time of cutting the tape by the tape cutting knife;

FIGS. 19a-c are longitudinal sectional views illustrating the rotation of the cutting blades of the tape cutting device to the initial angular position after tape cutting;

FIG. 20 is a longitudinal cross-sectional view of the process of moving the hook strip apparatus of the present invention from the hook strip station to the scrap strip disposal station;

FIGS. 21a-b are longitudinal cross-sectional views of the process of rotating each hook of the hook strip apparatus of the present invention to an initial angular position after cutting the strip;

FIG. 22 is a longitudinal cross-sectional view of the process of moving the hook tape apparatus of the present invention from the scrap tape discarding station to the hook tape station;

FIG. 23 is a top view of the bale handling and bag removal device of the present invention;

FIG. 24 is a cross-sectional view taken along line A-A of FIG. 23 in accordance with the present invention;

FIG. 25 is a perspective view of the right gripping portion of the gripper of the bale transfer and bag removal device of the present invention;

FIG. 26 is a perspective view of the left gripping portion of the gripper of the bale handling and bag removal device of the present invention;

FIGS. 27a-e are side and top views of a cotton bale handling and bag removal apparatus of the present invention, with the cotton bale tie removed, being transferred from a to-be-handled station to a first to-be-cut bag station;

FIG. 28a is a cross-sectional view taken along line C-C of FIG. 23 of the bale handling and bag removal device of the present invention with the bag grippers of the bale handling and bag removal device not closed;

FIG. 28b is a top view of the gripper of the bale handling and bag removal device of the present invention as the gripper is closed;

FIG. 28C is a cross-sectional view taken along line C-C of FIG. 23 with the bag grabber of the bale handling and bag removal device of the present invention closed;

FIGS. 29a-b are side and top views of a bag removal process of the bale handling and bag removal apparatus of the present invention;

FIGS. 30a-d are side and top views of a cotton bale handling and bag removal apparatus of the present invention discarding waste bags in a waste bag collection bin;

FIG. 31 is a perspective view of the first bag cutter and the cotton block pusher of the present invention;

FIG. 32 is a top view of the first bag cutter and cotton block pusher of the present invention;

FIG. 33 is a cross-sectional view taken along line B-B of FIG. 32 in accordance with the present invention;

FIG. 34 is an enlarged, fragmentary, cross-sectional view of FIG. 33 taken within the dashed line;

FIG. 35 is a partial perspective view of the first bag cutter and cotton block pusher of the present invention;

FIG. 36a is a perspective view of the top wrap frame of the present invention;

FIG. 36b is a top view of the top rack of the present invention;

FIG. 37 is an enlarged, partially broken away, perspective view of the FIG. 35 frame of the present invention;

FIG. 38 is a partial perspective cut-away view of the first bag cutter and cotton block pusher of the present invention prior to operation;

FIG. 39 is an enlarged, partially broken away, perspective view of the FIG. 38 frame of the present invention;

FIG. 40 is a partial perspective cross-sectional view of the first bag-cutting and cotton block-pushing device of the present invention with the bag-cutting tool in position II;

FIG. 41 is a partial perspective cross-sectional view of the bag cutter in the first bag cutting and cotton block pushing apparatus of the present invention returning to position (i) and beginning to rotate after the first bag cutting operation is completed;

FIG. 42 is a partial perspective cross-sectional view of the first bag-cutting and cotton block-pushing apparatus of the present invention with the bag-cutting tool in position (c);

FIG. 43 is a partial perspective cross-sectional view of the first bag cutter and the cotton block pusher of the present invention shown in position (iv);

FIG. 44 is a partial perspective cross-sectional view of the bag cutter of the first bag and cotton block cutting and pushing apparatus of the present invention returning to position c and beginning to rotate after the second bag cutting operation;

FIG. 45 is a partial perspective cross-sectional view of the first bag-cutting and lump cotton feeder with the top bag rack in position (v);

FIG. 46 is a partial perspective cross-sectional view of the first bag-cutting and cotton bale-pushing apparatus of the present invention with the top bag rack in position (c);

FIG. 47 is a partial perspective cross-sectional view of the top bag rack of the first bag slitting and cotton block pushing apparatus of the present invention returning to position after the cotton bag is separated from the cotton block and beginning to rotate;

FIG. 48 is a partial perspective sectional view of the first bag cutting and cotton block pushing apparatus of the present invention showing the operation when the bag cutting tool is in position II;

FIG. 49 is a partial perspective cross-sectional view of the first bag-cutting and cotton block-pushing apparatus of the present invention showing the operation of the bag-cutting tool at position (iv);

FIG. 50 is a partial perspective cross-sectional view of the operation of the first bag-cutting and cotton-block-pushing apparatus of the present invention with the top-bag rack in position (c);

FIG. 51 is a partial perspective cross-sectional view of the first bag-cutting and lump-cotton pushing apparatus of the present invention showing the operation of the top bag frame returning to position (fifthly) after the bag is separated from the lump cotton;

52a-b are perspective views illustrating the operation of the automatic bale arranging machine of the present invention to advance the cotton blocks from the first to-be-cut bag station to the second bale arranging station;

FIGS. 53a-b are perspective views illustrating the operation of the bale handler of the present invention in pushing the bale from the first to-be-cut station to the first bale-arranging station;

FIG. 54 is a perspective view of the waste bag collecting box of the present invention.

Detailed Description

In order to make the invention more comprehensible, preferred embodiments are described in detail below with reference to the accompanying drawings:

fig. 1 to 54 show an embodiment of the present invention. As shown in fig. 1, the bale cotton automatic discharging machine 8 is composed of a bale cotton conveyor 1, a belt removing device 2, a bale cotton carrying and removing device 3, a first bag cutting and cotton block pushing device 41, a second bag cutting and cotton block pushing device 42 and a waste bag collecting box 5.

The main stations of the bale automatic discharge machine 8 are shown in dashed lines in fig. 2. The automatic cotton bale arranging machine 8 is provided with a to-be-removed belt station 801, a belt cutting station 802, a belt hooking station 803, a waste belt discarding station 804, a to-be-conveyed station 805, a conveying station 806, a first to-be-cut bag station 807, a first to-be-removed bag station 808, a second to-be-cut bag station 809, a second to-be-removed bag station 810, a first row of bags 811, a second row of bags 812, a first cotton grabbing station 813, a second cotton grabbing station 814, a waste bag discarding station 815 and a waste bag receiving station 816. The first bag cutting station 807 and the first bag removing station 808 are always located on the first bag cutting and cotton block pushing device 41, and the second bag cutting station 809 and the second bag removing station 810 are always located on the second bag cutting and cotton block pushing device 42; the first bag to be cut station 807 and the first bag to be removed station 808 are in one-to-one correspondence, and the first bag to be removed station 808 is located at a certain distance right above the first bag to be cut station 807; the second bag-to-be-cut station 809 corresponds to the second bag-to-be-removed station 810 one by one, and the second bag-to-be-removed station 810 is located at a certain distance right above the second bag-to-be-cut station 809; the positions of the first bag cutting station 807 and the first bag removing station 808 can move correspondingly with the movement of the first bag cutting and cotton block pushing device 41, and the positions of the second bag cutting station 809 and the second bag removing station 810 can move correspondingly with the movement of the second bag cutting and cotton block pushing device 42. The first row of bale stations 811 and the second row of bale stations 812 can be simultaneously converted with the first bale plucking station 813 and the second bale plucking station 814 respectively, namely after the cotton blocks 601 at the first bale plucking station 813 and the second bale plucking station 814 are grabbed, and after the cotton blocks 601 at the first row of bale plucking station 811 and the second row of bale plucking station 812 are discharged, the first bale plucking station 813 is converted into the first row of bale plucking station 811, the second bale plucking station 814 is converted into the second row of bale plucking station 812, the first row of bale plucking station 811 is converted into the first bale plucking station 813, and the second row of bale plucking station 812 is converted into the second bale plucking station 814.

As shown in fig. 1 to 5, the bale conveyor 1 is used to convey bales 6 successively to a to-be-removed-belt station 801 and a to-be-conveyed station 805. The cotton bale 6 includes a cotton block 601 compressed into a rectangular parallelepiped and composed of a woven fiber aggregate, a packaging bag 602 wrapped outside the cotton block 601, and a cotton bale tying band 603 tied outside the packaging bag 602. In this embodiment, the bale ties 603 are five and equally spaced.

As shown in fig. 1 to 2, the bale conveyor 1 is located on a bale placing platform 9. As shown in fig. 3, the bale conveyor 1 is a general belt roller conveyor structure, and includes a frame 101, a motor 102, a transmission assembly 103, rollers 104, a roller support 105, a conveyor belt 106, a plurality of bearings 107, and transmission shafts 108a and 108 b. The motor 102 is mounted on the frame 101, the transmission assembly 103 includes a pulley 109, a pulley 110, and a transmission belt 111, and the bearings 107 include a bearing 107a, a bearing 107b, a bearing 107c, and a bearing 107 d. The transmission assembly 103 has one end connected to the output shaft of the motor 102 via a pulley 109, the other end connected to a transmission shaft 108a via a pulley 110, one end of the conveyor belt 106 connected to the transmission shaft 108a, and the other end of the conveyor belt 106 connected to a transmission shaft 108 b. The rollers 104 are plural and are mounted on roller support frames 105, and the roller support frames 105 are mounted on the frame 101. The center-to-center distance of adjacent rollers 104 is set to be smaller than the width of the cotton bale 6, but should not bring the surfaces of the adjacent rollers 104 into contact. In this embodiment, the cotton bale tying band 603 is perpendicular to the length direction of the cotton bale 6, the length direction of the cotton bale 6 is perpendicular to the plane of the conveyor belt 106 when the cotton bale 6 is placed on the conveyor belt 106, the thickness direction is perpendicular to the moving direction of the conveyor belt 106, and the width direction is parallel to the moving direction of the conveyor belt 106. As shown in fig. 4, when the bale conveyor 1 is in operation, the motor 102 is operated to drive the conveying belt 106 to move in the direction indicated by the arrow in the figure through the transmission assembly 103 so as to convey the bale 6 to the to-be-removed station 801, and then the motor 102 is stopped, the conveying belt 106 stops moving, and the bale conveyor 1 is suspended in operation. As shown in fig. 5, after the belt removing device 2 completes one working cycle, the motor 102 is operated, the bale conveyor 1 is operated, and the transmission assembly 103 drives the conveying belt 106 to move in the direction indicated by the arrow in the figure, so as to convey the bale 62, which is cut and removed by the belt removing device 2, of the bale tying belt 603 to the station 805 to be carried. In this embodiment, when several cotton bales are on the conveyor belt 106, the center-to-center distance between the

adjacent cotton bales

6 and 61 is set to be equal to the center-to-center distance between the belt station 801 to be removed and the station 805 to be carried. Therefore, when the previous cotton bale 62 reaches the station to be carried 805, the next cotton bale 61 is just conveyed to the station to be stripped 801, then the motor 102 stops, the conveyor belt 106 stops moving, and the cotton bale conveyor 1 stops working. At this point, the bale conveyor 1 completes a work cycle.

Fig. 1 to 2 and 6 to 22 show a belt removing device 2 of the present embodiment. The belt removing device 2 is positioned on the cotton bale placing platform 9. As shown in fig. 6, the belt removing device 2 is composed of a belt cutting device 21 and a belt hooking device 22, and is used for removing the cotton bale bundling belts 603 of the cotton bale 6 which reaches the belt removing station 801. As shown in fig. 1 and 2, the cutting belt device 21 and the hooking belt device 22 are located on both sides of the conveyor belt 106. The belt cutting device 21 is located at the belt cutting station 802, and the belt hooking device 22 is located at the belt hooking station 803, and can be moved from the belt hooking station 803 to the waste belt discarding station 804. As shown in fig. 7, the belt cutting device 21 is composed of a box 211, a motor 212, a transmission assembly 213 and a belt cutting knife assembly 214, wherein the motor 212, the transmission assembly 213 and the belt cutting knife assembly 214 are installed inside the box 211. The motor 212 is located at the lowermost portion inside the case 211. As shown in fig. 8, a through groove 221a with a length L and a width W is formed on the side surface of the box body 211 close to the bale conveyor 1, and the through groove 221a is along the vertical direction. In this embodiment, L is no less than the length of the bale 6 and W is slightly greater than the width of the cutting edge of the bandknife assembly 214. The tape cutter assembly 214 comprises five

tape cutters

214a, 214b, 214c, 214d and 214e which are arranged at equal intervals along the vertical direction. The structure of each tape cutter in the tape cutter assembly 214 is the same, and the position of each tape cutter corresponds to each cotton bale tying tape 603 of the cotton bale 6 one by one and is approximately close to the vertical height from the ground. Fig. 9 shows the initial angular position of each cutting blade of cutting blade assembly 214 prior to operation, at which point the initial angular position of each pocket cutting blade is the same and none of the cutting edges are exposed from channel 221 a. The transmission assembly 213 includes a pulley 215, a belt 216a, a belt 216b, a belt 216c, a belt 216d, and a belt 216 e. One end of the transmission assembly 213 is connected with an output shaft of the motor 212 through a belt wheel 215, the transmission belt 216a and the belt cutter 214a form a belt transmission mechanism, the belt cutter 214a, the transmission belt 216b and the belt cutter 214b form a belt transmission mechanism, the belt cutter 214b, the transmission belt 216c and the belt cutter 214c form a belt transmission mechanism, the belt cutter 214c, the transmission belt 216d and the belt cutter 214d form a belt transmission mechanism, the belt cutter 214d, the transmission belt 216e and the belt cutter 214e form a belt transmission mechanism, the belt cutter 214a is transmitted by the motor 212 through the belt wheel 215 and the transmission belt 216a, the belt cutter 214b is transmitted by the belt cutter 214a through the transmission belt 216b, the belt cutter 214c is transmitted by the belt cutter 214b through the transmission belt 216c, the belt cutter 214d is transmitted by the belt cutter 214c through the transmission belt 216d, and the belt cutter 214e is transmitted by the belt cutter 214d through the belt 216 e. The structure of the tape cutter 214d will be described below by taking it as an example. As shown in fig. 10 and 11, the cutting blade 214d is a hollow stepped shaft-like member, and the cutting blade 214d is provided with a shaft portion 2141 for mounting the belt 216d, a shaft portion 2142 for mounting the belt 216e, and a disc-like blade 2144 provided with a protruding blade portion 2143. As shown in fig. 12 to 13, the hook belt device 22 is composed of a rack guide 221, a guide 222, a case 223, a gear 224, a motor 225, a driving unit 226, a belt hook unit 227, a motor 228, and a waste belt collection box 229, wherein the motor 225, the driving unit 226, the belt hook unit 227, and the motor 228 are located inside the case 223. The rack guide rail 221 and the guide rail 222 are positioned below the box body 223, the rack guide rail 221 is parallel to the guide rail 222, the direction of the rack guide rail 221 is perpendicular to the conveying direction of the cotton bale 6, and a certain distance is reserved between the rack guide rail 221 and the guide rail 222. A motor 225 is installed at the lowermost portion inside the case 223, a gear 224 is installed on an output shaft of the motor 225, and the gear 224 is engaged with the rack guide 221. The motor 228 is located lowermost inside the case 223. As shown in fig. 14, the box 223 has a through groove 223a with a length L 'and a width W' on the side close to the bale conveyor 1, and the through groove 223a is along the vertical direction. In this embodiment, L 'is no less than the length of the bale 6 and W' is slightly greater than the width of the hook edge of the hook component 227. The band hook assembly 227 includes five

band hooks

227a, 227b, 227c, 227d, 227e installed at equal intervals in the vertical direction. The hook assemblies 227 have the same structure, and each hook corresponds to each bale tie 603 of the bale 6 one-to-one and is approximately at the same vertical height from the ground. Fig. 15 shows the initial angular position of each hook in the hook assembly 227 before operation, at which time the initial angular position of each hook is the same and none of the hook edges are exposed from the through groove 223 a. The transmission assembly 226 includes pulleys 2261,

belts

2262a, 2262b, 2262c, 2262d, 2262 e. One end of the transmission assembly 226 is connected with an output shaft of the motor 228 through a pulley 2261, the transmission belt 2262a and the belt hook 227a form a belt transmission mechanism, the belt hook 227a, the transmission belt 2262b and the belt hook 227b form a belt transmission mechanism, the belt hook 227b, the transmission belt 2262c and the belt hook 227c form a belt transmission mechanism, the belt hook 227c, the transmission belt 2262d and the belt hook 227d form a belt transmission mechanism, the belt hook 227d, the transmission belt 2262e and the belt hook 227e form a belt transmission mechanism, the belt hook 227a is transmitted by the motor 228 through the pulley 2261 and the transmission belt 2262a, the belt hook 227b is transmitted by the belt hook 227a through the transmission belt 2262b, the belt hook 227c is transmitted by the belt hook 227b through the transmission belt 2262c, the belt hook 227d is transmitted by the belt hook 227c through the transmission belt 2262d, and the belt hook 227e is transmitted by the belt hook 227d through the transmission belt 2262 e. The structure of the hook is described below by taking the hook 227d as an example. As shown in fig. 16 and 17, belt hook 227d is a hollow stepped shaft-like member, and belt hook 227d is provided with a shaft section 2271 for mounting belt 2262e, a shaft section 2272 for mounting belt 2262d, and a disc-like hook piece 2274 provided with a protruding hook 2273. The scrap tape collection box 229 is connected to the box 223 and is located below the conveyor belt 106. When the cotton bale 6 is conveyed to the belt removing station 801 by the cotton bale conveyor 1, the belt cutting device 21 is positioned at the belt cutting station 802, the belt hooking device 22 is positioned at the belt hooking station 803, and the belt cutting device 2 works. The operation process of the belt removing device 2 is as follows: the motor 228 is operated to start the operation of the strap hooking device 22, and the motor 228 operates the strap hooking component 227 through the transmission component 226, so that each strap hook of the strap hooking component 227 rotates clockwise (about 110 to 130 degrees) by a certain angle in the direction of the dotted arrow in fig. 15, and then each strap hook of the strap hooking component 227 simultaneously hooks each bale tying strap 603 of the bale 6, as shown in fig. 18. Subsequently, the motor 228 stops, the hook tape device 22 stops operating, the motor 212 starts operating, the tape cutting device 21 operates, the motor 212 drives the tape cutter assembly 214 to operate through the transmission assembly 213, so that each tape cutter of the tape cutter assembly 214 rotates clockwise by a certain angle (about 110 to 130 °) in the direction indicated by the dotted arrow in fig. 9, and then each tape cutter of the tape cutter assembly 214 simultaneously cuts each cotton bale tying band 603 of the cotton bale 6. Subsequently, the motor 212 is operated to drive the tape cutter assembly 214 to operate through the transmission assembly 213, so that after the tape cutters of the tape cutter assembly 214 are rotated clockwise to the initial angular positions in the directions indicated by the dotted arrows as shown in fig. 19a-c, the motor 212 stops operating, and the tape cutter assembly 21 stops operating. In the above process, the respective hooks of the hook unit 227 hook the respective bale tying bands 603 of the bale 6. At this time, the motor 225 starts to operate, and the gear 224 rotates. Since the gear 224 and the rack guide 221 are engaged with each other, the cassette 223 is moved to the scrap tape discarding position 804 in the direction indicated by the broken line arrow in fig. 20. The motor 228 is then actuated to move the belt hook assemblies 227 through the drive assembly 226 to rotate the respective belt hooks of the belt hook assemblies 227 in a counterclockwise direction to the initial angular position as indicated by the dashed arrows in fig. 21 a-b. Then, the respective bale tying belts 603 of the bale 6 are not hooked by the respective hooks of the hook unit 227, and the hooked state is released, and the respective bale tying belts 603 fall into the waste-belt collection box 229 by gravity. Subsequently, the motor 225 starts reverse operation, and the transmission case 223 is moved to the hook tape station 803 in the direction indicated by the broken line arrow in fig. 22 by the engagement of the gear 224 with the rack guide 221. Subsequently, the hook tape device 22 is temporarily stopped. At this point, the belt cutting device 2 completes one work cycle.

Fig. 1 to 2 and fig. 23 to 30 show a cotton bale handling and bag removing device 3 of the present embodiment. The bale handling and bag removing device 3 is used to handle the bale 62 with the bale tie 603 removed from the to-be-handled station 805 to the first to-be-cut station 807 or the second to-be-cut station 809.

The bale handling and bag removing device 3 is also used for removing the packaging bag 602 outside the bale 62 with the completed cut bag at the first bag removing station 808 or the second bag removing station 810 when the bale 62 with the completed cut bag is located at the first bag removing station 808 or the second bag removing station 810.

The bale handling and bag removing device 3 is also used for handling the packaging bag 602 from the first bag-to-be-removed station 808 or the second bag-to-be-removed station 810 to the waste bag receiving station 816 after the packaging bag 602 outside the cut-off bale 62 at the first bag-to-be-removed station 808 or the second bag-to-be-removed station 810 is removed.

The following describes the composition and operation of the cotton bale transporting and bag removing device 3 by taking the cotton bale transporting and bag removing device 3 as an example to transport the cotton bale 62 from the to-be-transported station 805 to the first to-be-cut bag station 807 and to remove the packaging bag 602 outside the cotton bale 62 whose bag cutting has been completed at the first to-be-cut bag station 808.

As shown in fig. 23 to 24, the bale handling and bag removing device 3 includes a rack rail 301, a moving base 302, a moving turntable 303, and a robot arm 304. The motion base 302 is composed of a base 305, a gear 306, a motor 307, a gear 308, a motor 309 and a plurality of guide wheels 310. The rack guide rail 301 is positioned on the cotton bale placing platform 9. The motor 307 is installed inside and below the base 305, the gear 306 is installed on the output shaft of the motor 307, and the gear 306 is engaged with the rack rail 301. A motor 309 is installed inside the base 305 on the opposite side of the motor 307, and a gear 308 is installed on an output shaft of the motor 309. The movable turntable 303 is composed of a turntable 311 and a transmission gear 312, the turntable 311 is provided with a shaft portion 311a at a lower portion thereof, the shaft portion 311a extends into the base 305 through a through hole provided on an upper wall surface of the base 305, and the gear 312 is located inside the base 305 and is mounted on the shaft portion 311 a. Gear 312 is in meshing engagement with gear 308. The robotic arm 304 includes a lever 313, a rod 314, a drive arm 315, a drive arm 316, a drive arm 317, and a hand grip 318. The lever 313 is hinged to the turntable 311, and the lever 313 is hinged to the lever 314. The driving arm 315 includes a hydraulic cylinder 319 and a push rod 320, the hydraulic cylinder 319 is hinged to the turntable 311, and the push rod 320 is hinged to the middle of the rod 313. The driving arm 316 includes a hydraulic cylinder 321 and a push rod 322, the hydraulic cylinder 321 is hinged to the turntable 311, and the push rod 322 is hinged to the middle of the rod 314. The drive arm 317 includes a hydraulic cylinder 323 and a push rod 324, the hydraulic cylinder 323 being hingedly connected to the middle of the rod 314. The gripper 318 includes a clamp platform 325, a clamp 326, a right clamp drive arm 354, and a left clamp drive arm 327. Clamp platform 325 is hingedly connected to rod 314 and clamp platform 325 is hingedly connected to push rod 324. The clamp 326 includes a left clamp portion 328 and a right clamp portion 329. As shown in fig. 25, the right clamping portion 329 includes a right clamping plate 330 and a right bag-grasping claw mechanism 331, the right clamping plate 330 is composed of a plate-like structure 355 having a cavity therein, a plane on one side and a protruding surface on the other side, and an arc-shaped connecting rod 356, and the arc-shaped connecting rod 356 is hinged to a right clamp driving arm 354. The right bag-holding claw mechanism 331 includes a right bag-holding claw 332, a fixed shaft 333, a driving arm 334, and a driving arm 335. The right bag-grasping claw 332 is hinged to a fixed shaft 333, and the fixed shaft 333 is fixed to the right clamp plate 330. The driving arm 334 includes a hydraulic cylinder 336 and a push rod 337, the hydraulic cylinder 336 is hinged to the right clamp plate 330, and the push rod 337 is hinged to the right bag gripper 332. The actuator arm 335 includes a hydraulic cylinder 338 and a push rod 339, the hydraulic cylinder 338 being hingedly connected to the right clamp plate 330, and the push rod 339 being hingedly connected to the right bag gripper 332. As shown in fig. 26, the left clamping portion 329 includes a left clamping plate 340 and a left bag-grabbing claw mechanism 341, the left clamping plate 340 is composed of a plate-like structure 357 having a cavity therein and a flat surface on one side and a protruding surface on the other side, and an arc-shaped connecting rod 358, and the arc-shaped connecting rod 358 is hinged to the left clamp driving arm 327. The left bag gripper mechanism 341 includes a left bag gripper 342, a fixed shaft 343, a driving arm 344, and a driving arm 345. The left bag-grasping claw 342 is hinged with a fixed shaft 343, and the fixed shaft 343 is fixed on the left holding plate 340. The actuating arm 344 includes a hydraulic cylinder 346 and a push rod 347, the hydraulic cylinder 346 being hingedly connected to the left clamp plate 340, and the push rod 347 being hingedly connected to the left bag gripper 342. The drive arm 345 includes a hydraulic cylinder 348 and a push rod 349, the hydraulic cylinder 348 being hingedly connected to the left clamp plate 340, and the push rod 349 being hingedly connected to the left bag gripper 342. The right clamp driving arm 354 comprises a right clamp driving hydraulic cylinder 352 and a right clamp driving push rod 353, the right clamp driving hydraulic cylinder 352 is hinged with the clamp platform 325, and the right clamp driving push rod 353 is hinged with the right clamping plate 330; left clamp drive arm 327 includes left clamp drive hydraulic cylinder 350, left clamp drive push rod 351, and left clamp drive hydraulic cylinder 350 and clamp platform 325 hinged connection, left clamp drive push rod 351 and left grip block 340 hinged connection. As shown in fig. 27a-e, the cotton bale transfer and bag removal device 3 transfers the cotton bale 62 with the cotton bale tie 603 removed from the to-be-transferred station 805 to the first to-be-cut bag station 807 as follows: when the cotton bale 62 is located at the to-be-transported station 805, the moving base 302 of the cotton bale transporting and bag removing device 3 is located at the transporting station 806, then the cotton bale transporting and bag removing device 3 works, the driving arm 315 drives the push rod 320 to extend through the hydraulic cylinder 319, the driving arm 316 drives the push rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, and the driving arm 317 drives the push rod 324 to retract through the hydraulic cylinder 323, so that the clamp platform 325 moves. The right clamp driving arm 354 drives the push rod 353 to extend out through the hydraulic cylinder 352 to drive the right clamping plate 330 to move, and the left clamp driving arm 327 drives the push rod 351 to extend out through the hydraulic cylinder 350 to drive the left clamping plate 340 to move, so that the right clamping plate 330 and the left clamping plate 340 clamp the cotton bale 62. Subsequently, the driving arm 315 retracts the ram 320 via the ram 319, the driving arm 316 extends the ram 322 via the ram 321, the driving

rods

313 and 314 move, the driving arm 317 extends the ram 324 via the ram 323, and the gripper platform 325 moves, causing the gripper 318 to grip the bale 62 from the conveyor belt 106. Subsequently, the motor 307 is operated to drive the gear 306 to rotate, and the meshing transmission between the gear 306 and the rack rail 301 drives the base 305 to move along the rack rail 301 to the first row of bag stations 811 and the second row of bag stations 812. Subsequently, the motor 309 is operated to drive the gear 308 to rotate, and the gear 308 and the gear 312 are meshed to drive the rotary table 311 to rotate on the moving base 302, so that the gripper 318 carries the picked-up cotton bale 62 to a position right above the first bag-to-be-cut station 807. The driving arm 315 drives the pushing rod 320 to extend through the hydraulic cylinder 319, the driving arm 316 drives the pushing rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, the driving arm 317 drives the pushing rod 324 to retract through the hydraulic cylinder 323, and the clamp platform 325 moves, so that the gripper 318 conveys the cotton bale 62 to the first bag cutting station 807. Subsequently, the right clamp driving arm 354 drives the push rod 353 to retract through the hydraulic cylinder 352, and drives the right clamp plate 330 to move, the left clamp driving arm 327 drives the push rod 351 to retract through the hydraulic cylinder 350, and drives the left clamp plate 340 to move, so that the left clamp plate 330 and the right clamp plate 340 respectively keep a certain distance from the two side surfaces of the cotton bale 62, the cotton bale 62 is unclamped, and the cotton bale conveying and bag removing device 3 stops working. Subsequently, the first bag cutting and cotton block pushing device 41 performs a bag cutting operation. Subsequently, the cotton bale transporting and bag removing device 3 performs a bag removing operation. As shown in fig. 28a-c and fig. 29a-b, the bag removing process of the cotton bale handling and bag removing device 3 is as follows: the cotton bale 62 after being cut is located at a first bag removing station 808, the cotton bale carrying and removing device 3 works, the right bag grabbing claw mechanism 331 works, the driving arm 334 drives the push rod 337 to extend through the hydraulic cylinder 336, the driving arm 335 drives the push rod 339 to extend through the hydraulic cylinder 338 to drive the right bag grabbing claw 332 to act, meanwhile, the left bag grabbing claw mechanism 341 works, the driving arm 344 drives the push rod 347 to extend through the hydraulic cylinder 346, the driving arm 345 drives the push rod 349 to extend through the hydraulic cylinder 348 to drive the left bag grabbing claw 342 to act, then the right bag grabbing claw 332 and the left bag grabbing claw 342 are simultaneously closed, and two sides of the packaging bag 602 of the cut cotton bale 62 are held. Subsequently, the right bag gripper 331 stops working, the left bag gripper 341 stops working, the driving arm 315 retracts the push rod 320 via the hydraulic cylinder 319, the driving arm 316 extends the push rod 322 via the hydraulic cylinder 321, the driving

arms

313 and 314 move, the driving arm 317 extends the push rod 324 via the hydraulic cylinder 323, the clamp platform 325 moves, the gripper 318 lifts the packaging bag 602 of the cut bag bale 62 to a certain height, and the packaging bag 602 is separated from the cotton block 601. Subsequently, as shown in fig. 30a-d, the motor 307 is operated, the gear 306 is rotated, the base 305 is driven to move along the rack guide 301 to the waste bag discarding position 815 through the meshing transmission between the gear 306 and the rack guide 301, the motor 309 is operated, the gear 308 is rotated, the turntable 311 is rotated towards the position direction of the waste bag collecting box 5 through the meshing transmission between the gear 308 and the gear 312, meanwhile, the driving arm 315 drives the push rod 320 to retract through the hydraulic cylinder 319, the driving arm 316 drives the push rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, the driving arm 317 drives the push rod 324 to retract through the hydraulic cylinder 323, and the clamp platform 325 is driven to move, so that the gripper 318 places the packaging bag 602 above the waste bag collecting box 5. Subsequently, the right bag gripper mechanism 331 is operated, the driving arm 334 drives the push rod 337 to retract through the hydraulic cylinder 336, and the driving arm 335 drives the push rod 339 to retract through the hydraulic cylinder 338, thereby driving the right bag gripper 332 to move. Meanwhile, the left bag-grabbing claw mechanism 341 works, the driving arm 344 drives the push rod 347 to retract through the hydraulic cylinder 346, the driving arm 345 drives the push rod 349 to retract through the hydraulic cylinder 348, the left bag-grabbing claw 342 is driven to act, then the right bag-grabbing claw 332 and the left bag-grabbing claw 342 are simultaneously opened, the clamping of the packaging bag 602 is released, and the packaging bag 602 freely falls into the waste bag collecting box 5 under the action of gravity. Subsequently, the right bag gripper mechanism 331 stops working, the left bag gripper mechanism 341 stops working, the driving arm 315 drives the push rod 320 to extend through the hydraulic cylinder 319, the driving rod 313 moves, the driving arm 316 drives the push rod 322 to extend through the hydraulic cylinder 321, the driving rod 314 moves, the driving arm 317 drives the push rod 324 to extend through the hydraulic cylinder 323, and the clamp platform 325 moves, so that the mechanical arm 304 returns to the initial state. Subsequently, the motor 307 is operated to rotate the gear 306, and the base 305 is driven to move along the rack rail 301 by the meshing transmission between the gear 306 and the rack rail 301, so that the cotton bale transporting and bag removing device 3 is moved to the transporting station 806. At the same time, the motor 309 is operated, the gear 308 rotates, and the turntable 311 is driven to rotate through the meshing transmission between the gear 308 and the gear 312, so that the right clamping plate 330 and the left clamping plate 340 are both parallel to the moving direction of the conveyor belt 106, and the center line of the conveyor belt 106 is located at the middle between the right clamping plate 330 and the left clamping plate 340, as shown in fig. 27 a. The bale handling and bag removal device 3 is then suspended. At this point, the bale handling and bag removal device 3 completes one work cycle.

The first bag cutting and lump cotton pushing device 41 is taken as an example to describe the composition of the bag cutting and lump cotton pushing device and the working processes of bag cutting and bag discharging.

Fig. 1 and 2, and fig. 31 to 51 show the first bag cutting and cotton block pushing device 41 of the present embodiment. The first bag and lump cutting and pushing device 41 and the second bag and lump cutting and pushing device 42 have the same structure. The first bag and cotton block cutting pushing device 41 and the second bag and cotton block cutting pushing device 42 are respectively positioned at two sides of the straight reciprocating type automatic plucker 7. As shown in fig. 1 and 2, in the present embodiment, the first row of bale stations 811 and the second row of bale stations 812 are located between the first bag and bale pusher 41 and the straight reciprocating automatic plucker 7, and the first plucking station 813 and the second plucking station 814 are located between the second bag and bale pusher 42 and the straight reciprocating automatic plucker 7. The first row of packing stations 811, the second row of packing stations 812 and the straight reciprocating type automatic bale plucker 7 are positioned on the bale placing platform 9, the first row of packing stations 811 are positioned between the first bag cutting and cotton block pushing device 41 and the second row of packing stations 812, the second row of packing stations 812 are positioned between the first row of packing stations 811 and the straight reciprocating type automatic bale plucker 7, and the first row of packing stations 811 and the second row of packing stations 812 are arranged side by side and are parallel to a ground rail of the straight reciprocating type automatic bale plucker 7. The width of the first row of bale stations 811 and the second row of bale stations 812 is approximately equal to the width of the bales 62, and the length of the first row of bale stations 811 and the second row of bale stations 812 is not greater than the working stroke of the straight reciprocating plucker 7.

As shown in fig. 33, a first bag cutting and cotton block pushing device 41 is located at a first bag cutting and cotton block cutting station 807. The first bag cutting and cotton block pushing device 41 is used for cutting the bottom of the packaging bag 602 of the cotton bag 62, and then jacking the cotton bag 62 with the cut bottom of the packaging bag 602 to the first bag removing station 808. The first bag to be removed station 808 is located a distance directly above the first bag to be cut station 807. The first bag cutting and cotton block pushing device 41 comprises a box 401, a rack guide rail 402, a guide rail 403, a rotating platform 404, a bag pushing frame 406, a hydraulic cylinder 407, a bag cutting tool 408 and a pushing handle 409. Rack guide 402 and guide 403 are located on a plane that is lower than the upper surface of bale holding platform 9. The rack guide 402 and the guide 403 are parallel to the ground rail of the straight reciprocating automatic plucker 7. As shown in fig. 31 and 32, the casing 401 is located above the rack rail 402 and the rail 403, the casing 401 has a substantially rectangular parallelepiped shape, two slide grooves having a rectangular cross section are provided at the bottom thereof and respectively engaged with the rack rail 402 and the rail 403, and a special-shaped hole 429 is provided at a position substantially above the rack rail 402 on the upper surface of the casing 401. The special-shaped holes 429 are formed by intersecting two rectangular holes with the width slightly larger than the width of the bag cutting blade 422 and the length slightly larger than the length of the bag cutting blade 422 according to a certain angle alpha, and the angle alpha is equal to the included angle of two diagonal lines of the rectangular bottom surface of the cotton bale 62. When the bale 62 is at the first bag-to-be-cut station 807, the positions of the center lines of the shaped holes 429 correspond to the positions of the two diagonals of the rectangular bottom surface of the bale 62. As shown in fig. 33 and 34, an upper case 432 and a lower case 433 are provided in the case and arranged vertically. The upper tank 432 and the lower tank 433 are both rectangular parallelepiped, and the volume of the upper tank 432 is larger than that of the lower tank 433. The lower box 433 is communicated with a sliding groove matched with the rack guide rail 402 through a circular through hole 434. The lower case 433 houses the motor 412 and the motor 413. The motor 412 is arranged below the inner part of the box body 401, the output shaft of the motor 412 faces downwards vertically and penetrates through the circular through hole 434 on the box body 401, the gear 410 is arranged on the output shaft of the motor 412, and the gear 410 is in meshed transmission with the rack guide rail 402, so that the first bag cutting and cotton block pushing device 41 can be linearly moved along the rack guide rail 402 and the guide rail 403 by the rotation of the motor 412 through the drive gear 410. The end face of the opposite end of the output shaft of the motor 413 is mounted lowermost inside the case 401 such that the motor 413 is mounted lower inside the case 401, the output shaft of the motor 413 faces vertically upward, and the gear 411 is mounted on the output shaft of the motor 413. The rotary platform 404 is composed of a rotary disc 414, a gear 415 and a hydraulic cylinder 416. The rotating disk 414 is substantially disk-shaped, and a shaft portion 414a is provided at a lower portion thereof. The rotary disk 414 is mounted on the lower portion of the upper case 432, with a shaft-like portion 414a passing vertically downward through a circular through hole connecting the upper case 432 and the lower case 433 and forming a revolute pair connection. The gear 415 is attached to the shaft portion 414a of the rotating disk 414, and the gear 415 is engaged with the gear 411. The hydraulic cylinder 416 is mounted on the rotating disc 414. As shown in fig. 35 to 36, the top frame 406 is formed by four identical shaped blades intersecting at an angle α. The lower portion of the top package carriage 406 is mounted on a shaft portion 406a, which acts as a push rod, which is in hydraulic driving connection with the hydraulic cylinder 416. The hydraulic cylinder block 407 is attached to the shaft portion 406 a. As shown in fig. 37, the bag cutter 408 is composed of a support rod 417, a motor 418, a bag cutter belt 419, a transmission assembly 420, a pulley 421a, and a pulley 421 b. The support bar 417 is T-shaped, and has a shaft portion 417a as a push rod at a lower portion thereof, and is hydraulically driven and connected to the cylinder block 407. The motor 418 is mounted in the middle of the support bar 417. The bag cutting knife band 419 is an annular band shape, and is provided with a bag cutting blade 422 on the whole circumference. The transmission assembly 420 is composed of a pulley 423, a pulley 424 and a transmission belt 425. The pulley 424 is attached to the output shaft of the motor 418, the pulley 423 is attached to the support rod 417, the pulley 423 is disposed coaxially with the pulley 421a, and both ends of the cutter belt 419 are attached to the pulley 421a and the pulley 421b, respectively, so that the pulley 421a, the pulley 421b, and the cutter belt 419 form a belt transmission mechanism. The pushing hand 409 is composed of a hydraulic cylinder 426, a pushing rod 427 and a pushing plate 428, the hydraulic cylinder 426 is installed on the box 401, one end of the pushing rod 427 forms a hydraulic driving connection with the hydraulic cylinder 426 and forms a moving pair, and the other end of the pushing rod 427 is fixedly connected with the center of the pushing plate 428. The first bag to be cut station 807 is located on the first bag and cotton block cutting and pushing device 41. Specifically, the first bag-to-be-cut station 807 is located on the top surface of the box 401 in the first bag-to-be-cut and cotton block pushing device 41, the first bag-to-be-cut station 807 substantially corresponds to the bottom surface of the cotton bale 62, and two diagonal lines of the first bag-to-be-cut station 807 coincide with the center lines of two rectangular holes in the special-shaped hole 429 at the top of the box 401. Fig. 38 and 39 show the bag cutter 408 in this embodiment in a pre-operative position, in which the bag cutter strip 419 is aligned with the centre line of one of the rectangular holes forming the profiled hole 429 and the bag cutter insert 422 above the bag cutter strip 419 is located below the profiled hole 429. The working process of the first bag cutting and cotton block pushing device 41 is as follows: when the bale removing and conveying device 3 conveys the bale 62 with the bale tying band 603 removed to the first bag-to-be-cut station 807, the motor 418 is operated to drive the bag-cutting knife band 419 to move through the transmission assembly 420, the belt wheel 421a and the belt wheel 421 b. Subsequently, as shown in fig. 40 and 48, the hydraulic cylinder 407 is operated to push the bag cutter 408 from the position (r) to the position (r) upward, so that the bag cutter 422 on the bag cutter strip 419 is partially exposed from the box 401 through the shaped hole 429, contacts the packaging bag 602, and cuts the first slit 430 to complete the first bag cutting operation. Subsequently, as shown in fig. 41, the hydraulic cylinder 407 operates to drive the bag cutter 408 from the position (ii) to the position (i) downward. The motor 413 is then actuated to rotate the gear 411 and drive the gear 415 to rotate, rotating the rotatable platform 404 through an angle (180 ° - α) to a position (c) as shown by the dashed arrow in fig. 41, as shown in fig. 42. Subsequently, as shown in fig. 43 and 49, the hydraulic cylinder 407 is operated to push the bag cutter 408 from the position (c) to the position (c) upward, so that the bag cutter 422 of the bag cutter band 419 is partially exposed from the box 401 through the shaped hole 429 and contacts the packaging bag 602 to cut the second slit 431, thereby completing the second bag cutting operation. Subsequently, as shown in fig. 44, the hydraulic cylinder 407 is operated to drive the bag cutter 408 from the position (r) to the position (c) downward. Subsequently, as shown in fig. 45, the motor 413 is operated, the gear 411 rotates and drives the gear 415 to rotate, so that the rotating platform 404 rotates to a position (c) by a certain angle in the direction of the dotted arrow shown in fig. 44, so that the top wrap frame 406 is aligned with the shaped hole 429. Subsequently, as shown in fig. 46 and 50, the hydraulic cylinder 416 is actuated to move the top bag holder 406 upward from position # to position # such that the top bag holder 406 partially protrudes from the profiled hole 429 in the top of the housing 401 to contact and lift the cotton 601 to the first bag removal station 808. Subsequently, the first bag cutting and cotton block pushing device 41 is suspended. When the gripper 318 lifts the package 602 to a certain height and disengages from the cotton block 602, the first bag cutting and block pushing device 41 starts to operate. Specifically, as shown in fig. 47 and 51, the hydraulic cylinder 416 is actuated to drive the top bag holder 406 to move downward from the position (w) to the position (w), so that the cotton 602 is lowered from the first bag-removing station 808 to the first bag-cutting station 807. Subsequently, the motor 413 is operated, the gear 411 rotates and drives the gear 415 to rotate, so that the rotating platform 404 rotates a certain angle to the position (r) shown in fig. 39 in the direction indicated by the dotted arrow in fig. 47. Subsequently, when the second bale arranging station 812 does not discharge the cotton blocks, as shown in fig. 52a and 52b, the pushing hand 409 is actuated, the hydraulic cylinder 426 is actuated, the push rod 427 is moved from the position (c) to the position (b), so that the cotton blocks 602 are pushed to the second bale arranging station 812, and then, the pushing hand 409 is actuated, the hydraulic cylinder 426 is actuated, so that the push rod 427 is moved from the position (b) to the position (c); when cotton blocks are discharged from the second bale arranging station 812 and no cotton blocks are discharged from the first bale arranging station 811, as shown in fig. 53a and 53b, the pushing handle 409 is actuated, the hydraulic cylinder 426 is actuated, so that the pushing rod 427 is moved from the position (c) to the position (c), thereby pushing the cotton blocks 602 to the first bale arranging station 811, and then the pushing handle 409 is actuated, the hydraulic cylinder 426 is actuated, so that the pushing rod 427 is moved from the position (nini) to the position (c). Subsequently, the motor 412 is operated, the gear 410 rotates, and the meshing transmission between the gear 410 and the rack guide 402 drives the box 401 to move along the rack guide 402 by a distance equal to the thickness of a cotton block, so that the first bag cutting and cotton block pushing device 41 moves to a position opposite to the position where the next cotton block is to be discharged. Subsequently, the first bag cutting and cotton block pushing device 41 is suspended. At this point, the first bag cutting and cotton block pushing device 41 completes a work cycle.

As shown in fig. 1 to 2 and 54, the waste bag collecting box 5 is located at a waste bag receiving station 816 for receiving and storing the packaging bags 602 removed from the cotton block 602.

In the embodiment, the automatic bale discharging machine comprises the following working steps:

(1) the cotton bale 6, from which the cotton bale bundling tape 603 and the packaging bag 602 are not removed, is sequentially placed on the conveyor belt 106 of the cotton bale conveyor 1 in such a manner that the length direction is perpendicular to the plane of the conveyor belt, the thickness direction is perpendicular to the moving direction of the conveyor belt, and the width direction is parallel to the moving direction of the conveyor belt, and the center distance between the

adjacent cotton bales

6 and 61 is equal to the center distance between the to-be-removed tape station 801 and the to-be-conveyed station 805. When the bale conveyor 1 works, the motor 102 acts to drive the conveying belt 106 to move in the direction of the arrow shown in fig. 4 through the transmission assembly 103, so that the bales 6 are conveyed to the belt removing station 801, and the bale conveyor 1 stops working.

(2) When the cotton bale 6 is at the belt removing station 801, the belt cutting device 21 is positioned at the belt cutting station 802, the belt hooking device 22 is positioned at the belt hooking station 803, and the belt cutting device 2 works. The tape hooking device 22 is operated, and the motor 228 is operated to drive the tape hooking member 227 to operate through the driving member 226, so that the respective tape hooks of the tape hooking member 227 rotate clockwise by a certain angle (about 110 ° -130 °) in the direction indicated by the dotted arrow in fig. 15 and protrude out of the box body 223 through the through grooves 223a, and then the respective tape hooks of the tape hooking member 227 simultaneously hook the respective binding tapes 603 of the cotton bale 6. Subsequently, the motor 228 stops, the hook tape device 22 stops operating, the motor 212 starts operating, the tape cutting device 21 operates, the motor 212 drives the tape cutter assembly 214 to operate through the transmission assembly 213, so that each tape cutter of the tape cutter assembly 214 rotates clockwise by a certain angle (about 110 ° -130 °) in the direction indicated by the dotted arrow in fig. 9 and extends out of the box 221 through the through slot 221a, and then each tape cutter of the tape cutter assembly 214 simultaneously cuts off each binding tape 603 of the cotton bale 6. Subsequently, the motor 212 is operated to drive the tape cutter assembly 214 to operate through the transmission assembly 213, so that after each tape cutter of the tape cutter assembly 214 rotates clockwise to the initial position in the direction indicated by the dotted arrow in fig. 19a-c, the motor 212 stops operating, and the tape cutter assembly 21 stops operating. In the above process, the straps 603 of the bale 6 are still hooked by the respective hooks of the hook assembly 227. At this time, the motor 225 starts to operate, and the gear 224 rotates. Since the gear 224 and the rack guide 221 are engaged with each other, the cassette 223 is moved to the scrap tape discarding position 804 in the direction indicated by the broken line arrow in fig. 20. The motor 228 is then actuated to move the belt hook assemblies 227 through the drive assembly 226 to rotate the respective belt hooks of the belt hook assemblies 227 in a counterclockwise direction to the initial angular position as indicated by the dashed arrows in fig. 21 a-b. Then, the binding tapes 603 of the bale 6 are not hooked by the hooks of the hook unit 227, and the hook state is released, and the bale binding tapes 603 fall into the waste tape collection box 229 by gravity. Subsequently, the motor 225 starts reverse operation, and the transmission case 223 is moved to the hook tape station 803 in the direction indicated by the broken line arrow in fig. 22 by the engagement of the gear 224 with the rack guide 221. Subsequently, the hook tape device 22 is temporarily stopped.

(3) After the belt removing device 2 completes one working cycle, the motor 102 is operated, the bale conveyor 1 is operated, the transmission assembly 103 drives the conveying belt 106 to move in the direction indicated by the arrow in fig. 5, and the bales 62 with the strapping 603 cut and removed by the belt removing device 2 are conveyed to the station 805 to be carried. At the same time, the next bale 61 is just being transported to the belt removal station 801, and then the motor 102 is deactivated, the conveyor belt 106 is stopped, and the bale conveyor 1 is halted.

(4) As shown in fig. 27a-e, when the cotton bale 62 is located at the to-be-transported station 805, the moving base 302 of the cotton bale transporting and bag removing device 3 is located at the transporting station 806, and then the cotton bale transporting and bag removing device 3 is operated, the driving arm 315 drives the pushing rod 320 to extend through the hydraulic cylinder 319, the driving arm 316 drives the pushing rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, and the driving arm 317 drives the pushing rod 324 to retract through the hydraulic cylinder 323, so that the clamp platform 325 moves. The right clamp driving arm 354 drives the push rod 353 to extend out through the hydraulic cylinder 352 to drive the right clamping plate 330 to move, and the left clamp driving arm 327 drives the push rod 351 to extend out through the hydraulic cylinder 350 to drive the left clamping plate 340 to move, so that the right clamping plate 330 and the left clamping plate 340 clamp the cotton bale 62. Subsequently, the driving arm 315 retracts the ram 320 via the hydraulic cylinder 319, the driving arm 316 extends the ram 322 via the hydraulic cylinder 321, the driving

rods

313 and 314 move, the driving arm 317 in turn extends the ram 324 via the hydraulic cylinder 323, and drives the gripper platform 325 to move, such that the gripper 318 grips the bale 62 from the conveyor belt 106. Subsequently, the motor 307 operates to drive the gear 306 to rotate, the meshing transmission between the gear 306 and the rack guide 301 drives the base 305 to move to the first row of bale stations 811 and the second row of bale stations 812 along the rack guide 301, and then the motor 309 operates to drive the gear 308 to rotate, the gear 308 and the gear 312 are meshed to drive the rotary table 311 to rotate on the moving base 302, so that the gripper 318 conveys the gripped cotton bale 62 to a position right above the first bag-to-be-cut station 807. The driving arm 315 drives the pushing rod 320 to extend through the hydraulic cylinder 319, the driving arm 316 drives the pushing rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, the driving arm 317 drives the pushing rod 324 to retract through the hydraulic cylinder 323, and the clamp platform 325 moves, so that the gripper 318 conveys the cotton bale 62 to the first bag-to-be-cut station 807. Subsequently, the right clamp driving arm 354 drives the push rod 353 to retract through the hydraulic cylinder 352, and drives the right clamp plate 330 to move, the left clamp driving arm 327 drives the push rod 351 to retract through the hydraulic cylinder 350, and drives the left clamp plate 340 to move, so that the left clamp plate 330 and the right clamp plate 340 respectively keep a certain distance from the two side surfaces of the cotton bale 62, the cotton bale 62 is unclamped, and the cotton bale conveying and bag removing device 3 stops working.

(5) After the cotton bale carrying and bag removing device 3 carries the cotton bale 62 to the first bag-cutting station 807, the motor 418 is operated to drive the bag-cutting knife belt 419 to move through the transmission assembly 420, the belt wheel 421a and the belt wheel 421 b. Subsequently, as shown in fig. 40 and 48, the hydraulic cylinder 407 is operated to push the bag cutter 408 from the position (r) to the position (r) upward, so that the bag cutter 422 on the bag cutter strip 419 is partially exposed from the box 401 through the shaped hole 429, contacts the packaging bag 602, and cuts a slit 430 to complete the first bag cutting operation. Subsequently, as shown in fig. 41, the hydraulic cylinder 407 operates to drive the bag cutter 408 from the position (ii) to the position (i) downward. The motor 413 is then actuated to rotate the gear 411 and drive the gear 415 to rotate, rotating the rotatable platform 404 through an angle (180 ° - α) to a position (c) as shown by the dotted arrow in fig. 41, as shown in fig. 42. Subsequently, as shown in fig. 43 and 49, the hydraulic cylinder 407 is operated to push the bag cutter 408 from the position (c) to the position (c) upward, so that the bag cutter 422 of the bag cutter band 419 is partially exposed from the box 401 through the shaped hole 429 and contacts the packaging bag 602 to cut the second slit 431, thereby completing the second bag cutting operation. Subsequently, as shown in fig. 44, the hydraulic cylinder 407 is operated to drive the bag cutter 408 from the position (r) to the position (c) downward. Subsequently, as shown in fig. 45, the motor 413 is operated, the gear 411 rotates and drives the gear 415 to rotate, so that the rotary platform 404 rotates to a position (c) by a certain angle in a direction shown by a dotted arrow in fig. 44. Subsequently, as shown in fig. 46 and 50, the hydraulic cylinder 416 is actuated to drive the top bag holder 406 to move upward from the position (c) to the position (c), so that the top bag holder 406 partially protrudes from the profiled hole 429 at the top of the box 401, contacts the cotton 601 and lifts it to the bag removing station VIII. Subsequently, the first bag cutting and cotton block pushing device 41 is suspended.

(6) As shown in fig. 29a-b, the cut cotton bale 62 is located at the first bag removing station VIII, the cotton bale carrying and removing device 3 works, the right bag grabbing claw mechanism 331 works, the driving arm 334 drives the pushing rod 337 to extend through the hydraulic cylinder 336, the driving arm 335 drives the pushing rod 339 to extend through the hydraulic cylinder 338 to drive the right bag grabbing claw 332 to act, meanwhile, the left bag grabbing claw mechanism 341 works, the driving arm 344 drives the pushing rod 347 to extend through the hydraulic cylinder 346, the driving arm 345 drives the pushing rod 349 to extend through the hydraulic cylinder 348 to drive the left bag grabbing claw 342 to act, and then the right bag grabbing claw 332 and the left bag grabbing claw 342 are simultaneously closed to hold the two sides of the packaging bag 602 of the cut cotton bale 62. Subsequently, the right bag gripper 331 stops working, the left bag gripper 341 stops working, the driving arm 315 retracts the push rod 320 via the hydraulic cylinder 319, the driving arm 316 extends the push rod 322 via the hydraulic cylinder 321, the driving

arms

313 and 314 move, the driving arm 317 extends the push rod 324 via the hydraulic cylinder 323, the clamp platform 325 moves, the gripper 318 lifts the packaging bag 602 of the cut bag bale 62 to a certain height, and the packaging bag 602 is separated from the cotton block 601. Subsequently, as shown in fig. 30a-d, the motor 307 is operated, the gear 306 is rotated, the base 305 is driven to move along the rack guide 301 to the waste bag discarding position 815 through the meshing transmission between the gear 306 and the rack guide 301, the motor 309 is operated, the gear 308 is rotated, the turntable 311 is rotated in the direction close to the position of the waste bag collecting box 5 through the meshing transmission between the gear 308 and the gear 312, meanwhile, the driving arm 315 drives the push rod 320 to retract through the hydraulic cylinder 319, the driving arm 316 drives the push rod 322 to retract through the hydraulic cylinder 321, so that the driving

rods

313 and 314 move, the driving arm 317 drives the push rod 324 to retract through the hydraulic cylinder 323, and the clamp platform 325 is driven to move, so that the gripper 318 places the packaging bag 602 above the waste bag collecting box 5. Subsequently, the right bag gripper mechanism 331 is operated, the driving arm 334 drives the push rod 337 to retract through the hydraulic cylinder 336, and the driving arm 335 drives the push rod 339 to retract through the hydraulic cylinder 338, thereby driving the right bag gripper 332 to move. Meanwhile, the left bag-grabbing claw mechanism 341 works, the driving arm 344 drives the push rod 347 to retract through the hydraulic cylinder 346, the driving arm 345 drives the push rod 349 to retract through the hydraulic cylinder 348, the left bag-grabbing claw 342 is driven to act, then the right bag-grabbing claw 332 and the left bag-grabbing claw 342 are simultaneously opened, the clamping of the packaging bag 602 is released, and the packaging bag 602 freely falls into the waste bag collecting box 5 under the action of gravity. Subsequently, the right bag gripper mechanism 331 stops working, the left bag gripper mechanism 341 stops working, the driving arm 315 drives the push rod 320 to extend through the hydraulic cylinder 319, the driving rod 313 moves, the driving arm 316 drives the push rod 322 to extend through the hydraulic cylinder 321, the driving rod 314 moves, the driving arm 317 drives the push rod 324 to extend through the hydraulic cylinder 323, and the clamp platform 325 moves, so that the mechanical arm 304 returns to the initial state. Subsequently, the motor 307 is operated to rotate the gear 306, and the base 305 is driven to move along the rack rail 301 by the meshing transmission between the gear 306 and the rack rail 301, so that the cotton bale carrying and bag removing device 3 is moved to the carrying station 806. At the same time, the motor 309 is operated, the gear 308 rotates, and the turntable 311 is driven to rotate through the meshing transmission between the gear 308 and the gear 312, so that the right clamping plate 330 and the left clamping plate 340 are both parallel to the moving direction of the conveyor belt 106, and the center line of the conveyor belt 106 is located at the middle between the right clamping plate 330 and the left clamping plate 340, as shown in fig. 27 a. The bale handling and bag removal device 3 is then suspended.

(7) When the gripper 318 lifts the packaging bag 602 to a predetermined height and separates it from the cotton block 601 made of a textile fiber aggregate compressed into a rectangular parallelepiped shape, the first bag cutting and cotton block pushing device 41 starts to operate. Specifically, as shown in fig. 47 and 51, the hydraulic cylinder 416 is actuated to drive the top bag rack 406 to move downward from the position (w) to the position (w), so that the cotton 602 descends from the first bag-removing station 808 to the first bag-cutting station 807. Subsequently, the motor 413 is operated, the gear 411 rotates and drives the gear 415 to rotate, so that the rotating platform 404 rotates by a certain angle in the direction shown by the dotted arrow in fig. 47. Subsequently, when the second bale arranging station 812 does not discharge the cotton blocks, as shown in fig. 52a and 52b, the pushing hand 409 is actuated, the hydraulic cylinder 426 is actuated, the push rod 427 is moved from the position (c) to the position (b), so that the cotton blocks 602 are pushed to the second bale arranging station 812, and then, the pushing hand 409 is actuated, the hydraulic cylinder 426 is actuated, so that the push rod 427 is moved from the position (b) to the position (c); when cotton blocks are discharged from the second bale arranging station 812 and no cotton blocks are discharged from the first bale arranging station 811, as shown in fig. 53a and 53b, the pushing handle 409 is actuated, the hydraulic cylinder 426 is actuated, so that the pushing rod 427 is moved from the position (c) to the position (c), thereby pushing the cotton blocks 602 to the first bale arranging station 811, and then the pushing handle 409 is actuated, the hydraulic cylinder 426 is actuated, so that the pushing rod 427 is moved from the position (nini) to the position (c). Subsequently, the motor 412 is operated, the gear 410 rotates, and the meshing transmission between the gear 410 and the rack guide 402 drives the box 401 to move along the rack guide 402 by a distance equal to the thickness of a cotton block, so that the first bag cutting and cotton block pushing device 41 moves to a position opposite to the position where the next cotton block is to be discharged. Subsequently, the first bag cutting and cotton block pushing device 41 is suspended.

The steps (1) to (7) are repeatedly executed until the first row of bag stations 811 and the second row of bag stations 812 are automatically filled with cotton blocks. The automatic cotton bale arranging machine in the embodiment can automatically complete the cotton bale conveying, belt cutting, carrying, bag cutting, bag removing, arranging and waste bag collecting work, and has the advantages of high automation degree, high working efficiency, labor intensity reduction and labor saving.

While the invention has been described with respect to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention. Those skilled in the art can make various changes, modifications and equivalent arrangements, which are equivalent to the embodiments of the present invention, without departing from the spirit and scope of the present invention, and which may be made by utilizing the techniques disclosed above; meanwhile, any changes, modifications and variations of the above-described embodiments, which are equivalent to those of the technical spirit of the present invention, are within the scope of the technical solution of the present invention.

Claims

1. The automatic cotton bale arranging machine for the straight bale plucker is characterized by comprising a cotton bale conveyor, a belt removing device, a cotton bale carrying and removing device, a bag cutting and cotton block pushing device and a waste bag collecting box, wherein the belt removing device is arranged on two sides of the middle section of the cotton bale conveyor; two sides of the straight bale plucker are provided with bale arranging stations, and two sides of the bale arranging stations are provided with bag cutting and cotton block pushing devices; a cotton bale carrying and removing device capable of moving back and forth is arranged between the bag cutting and cotton block pushing device and the cotton bale conveyor; a waste bag collecting box is arranged in the motion area of the cotton bale carrying and bag removing device; the working area of the automatic cotton bale arranging machine is provided with a belt removing station, a belt cutting station, a belt hooking station, a waste belt discarding station, a carrying station, a bag cutting station, a bag removing station, a bale arranging station, a waste bag discarding station and a waste bag receiving station; the cotton bale conveyor conveys cotton bales provided with packaging bags and strapping tapes to the station to be subjected to tape removal and the station to be conveyed in sequence; the belt removing device is provided with a belt cutting station and a belt hooking station and is used for removing the strapping belts on the cotton bales to be subjected to belt removing; the carrying station is provided with a cotton bale carrying and bag removing device, and the cotton bales with the removed strapping tapes are carried from the station to be carried to a station to be cut; the cotton bale carrying and bag removing device removes the packaging bags positioned at the bag removing station and outside the cut cotton bales; the cotton bale carrying and removing device carries the packaging bags outside the cotton bales from the bag-to-be-removed station to the waste bag discarding station; the bag cutting and cotton block pushing device is provided with a bag cutting station, and cuts the bottom of a packaging bag of the cotton bale with the removed strapping tape; the bag removing station is arranged right above the bag cutting station; the bag cutting and cotton block pushing device jacks up the cut cotton bags at the bottom of the packaging bag to the bag removing station; the bag cutting and cotton block pushing device pushes the cotton blocks with the packaging bags removed to a bag arranging station; the waste bag receiving station is provided with a waste bag collecting box for receiving and storing the packaging bags removed from the cotton bale.

2. An automatic bale discharge machine for a straight plucker, as claimed in claim 1, wherein: the cotton bale conveyor is of a belt type roller conveyor structure and comprises a rack, a motor, a transmission assembly, rollers, a roller supporting frame, a conveying belt and a transmission shaft; the transmission assembly comprises a belt wheel, a transmission belt and a transmission shaft; the roller supporting frame is arranged on the rack, rollers are arranged in the roller supporting frame, a conveying belt is arranged on the rollers through front and rear transmission shafts, a driving belt is arranged on the transmission shafts, and the motor drives the driving belt through a belt wheel.

3. An automatic bale discharge machine for a straight plucker, as claimed in claim 1, wherein: the belt removing device comprises a belt cutting device and a belt hooking device; the belt cutting device comprises a box body, a motor, a transmission assembly and a belt cutting knife assembly; the motor is arranged in the box body and is connected with the belt cutter assembly through a transmission assembly; the transmission assembly comprises a belt wheel and a transmission belt; the tape cutting knife assembly comprises tape cutting knives with the number equal to that of the cotton bale strapping tapes, and the tape cutting knives are arranged at positions corresponding to the strapping tapes on the cotton bale; the belt cutting knife is provided with a shaft section for mounting a transmission belt and a disc-like blade provided with a protruding knife edge part; the belt hooking device comprises a box body, a motor, a transmission assembly, a belt hooking assembly, a waste belt collecting box, a gear, a rack guide rail and a guide rail; the motor is arranged in the box body and is connected with the belt hook assembly through the transmission assembly; the transmission assembly comprises a belt wheel and a transmission belt; the hook assembly comprises hooks with the number equal to that of the cotton bale strapping tapes, and the hooks are arranged at positions corresponding to the strapping tapes on the cotton bale; the belt hook is provided with a shaft section for mounting the transmission belt and a disc-like hook sheet provided with a protruding hook part; a waste belt collecting box is arranged below the belt hook component on one side of the box body; the motor moves between the belt hooking station and the waste belt discarding station along the rack guide rail and the guide rail through the gear transmission box body.

4. An automatic bale discharge machine for a straight plucker, as claimed in claim 1, wherein: the cotton bale carrying and bag removing device comprises a rack guide rail, a moving base, a moving rotary table and a mechanical arm; a moving base is arranged on the rack guide rail, a moving rotary table is arranged on the moving base, and a mechanical arm is arranged on the moving rotary table; the end of the mechanical arm is provided with a left clamping part and a right clamping part, and the clamping parts are provided with bag grabbing claw mechanisms.

5. An automatic bale discharge machine for a straight plucker, as claimed in claim 1, wherein: the bag cutting and cotton block pushing device comprises a box body, a rack guide rail, a rotating platform, a bag pushing frame, a hydraulic cylinder body, a bag cutting tool and a pushing handle; the rack guide rail and the guide rail are provided with a box body, and a bag cutting tool, a rotating platform and a bag jacking frame are arranged in the box body; a liftable rotating platform is arranged in the box body, a belt-shaped bag cutting tool is arranged on the rotating platform, and a bag jacking frame is also arranged on the rotating platform; a push handle is arranged on one side above the box body and connected with the hydraulic cylinder body, and the moving direction of the push handle is vertical to the moving direction of the straight-line bale plucker; the upper surface of the box body is provided with two mutually crossed rectangular holes which enable the bag cutting tool to extend out and the bag jacking frame to extend out.

6. An automatic bale discharge machine for a straight plucker, as claimed in claim 1, wherein: cut bag and cotton piece pusher and be 2 at least.

7. A method for automatically discharging bales by a bale automatic discharge machine of a straight-row plucker is characterized by comprising the following steps:

step 1: the cotton bale conveyor conveys cotton bales which are placed on the conveyor belt and are not removed from the strapping tape and the packaging bags to a tape removing station, and then the cotton bales are suspended;

step 2: when the strapping tapes and the cotton bales which are not removed from the packaging bags are positioned at a station to be subjected to tape removal, the tape removal device hooks the strapping tapes through the tape hooks of the tape hook assembly of the tape hooking device respectively, cuts off the strapping tapes through the tape cutters of the tape cutter assembly of the tape cutter device respectively, then moves the tape hooking device to a waste tape discarding station to discard the strapping tapes to a waste tape collecting box, returns the tape removal device to an initial position, and then stops working;

and 7: after the packaging bag is grabbed by the cotton bag carrying and removing device and separated from the cotton blocks, the bag cutting and cotton block pushing device lowers the cotton blocks from a bag removing station to a bag cutting station, then pushes the cotton blocks to a bag discharging station, returns the bag cutting and cotton block pushing device to an initial state, moves to a position right opposite to the next cotton block to be discharged, and then stops working;

and (4) repeating the steps 1 to 7 until the cotton blocks are automatically arranged at the bale arranging station.