CN216943805U - Filling line's branch barreled is put - Google Patents

Abstract

The utility model discloses a barrel separating device of a filling production line, which comprises a conveying roller assembly used for conveying a barrel stack; the barrel separating component is provided with a barrel hanging component, a handle upward swinging component and a lifting frame, the barrel hanging component is provided with a claw hanging cylinder and a lower claw used for hanging a flange part of a second coating barrel from bottom to top, and the handle upward swinging component is provided with a push plate cylinder and a push plate used for pushing up a handle of a second coating barrel from bottom to top; the coating machine also comprises a lifting cylinder for lifting the barrel stack, a screw lifter for separating a coating barrel and a barrel falling cylinder for putting the barrel stack down on the conveying roller assembly; still including pressing from both sides a bucket subassembly, press from both sides a bucket subassembly and be equipped with and press from both sides a bucket cylinder and at least three roller that are used for surrounding the centre gripping from the lower supreme ladle body of scribbling the storage bucket of first. The barrel separating device provided by the utility model replaces a hand to carry out a barrel separating process, has high automation degree, and is beneficial to reducing the labor intensity and improving the working efficiency.

Description

A barrel dividing device for a filling production line

technical field

The utility model relates to the technical field of filling production lines, in particular to a barrel dividing device of a filling production line.

Background technique

At present, in the paint production industry, in the existing water-based paint filling production line, in order to facilitate handling and storage, paint buckets are stacked up and down to form a paint bucket pile. Specifically, the paint bucket on the lower side is placed outside the middle and lower part of a paint bucket on the upper side, so before the paint is poured into the paint bucket, the paint bucket piles must be separated one by one. The paint buckets are taken out from top to bottom, which is labor-intensive and inefficient.

Utility model content

The purpose of the utility model is to overcome the deficiencies of the prior art and provide a barrel dividing device for a filling production line, which is beneficial to improve work efficiency and reduce labor intensity.

The purpose of the present utility model is achieved through the following technical solutions.

The barrel dividing device of the filling production line disclosed by the utility model includes a conveying roller assembly for conveying the barrel stack; wherein, it also includes a barrel dividing assembly, and the barrel dividing assembly is provided with a hanging barrel assembly, a handle swinging assembly and a lifting and lowering assembly. The bucket hanging assembly is provided with a hanging claw cylinder and a lower hanging claw for hooking the flange of the second paint bucket from bottom to top. The lower hanging claw is slid left and right on the lifting frame, so The hanging claw cylinder drives the lower hanging claw to move left and right, and the upper swing assembly of the handle is provided with a push plate cylinder and a push plate for pushing up the handle of the second paint bucket from bottom to top. The front and rear sliding is arranged on the lifting frame, and the push plate cylinder drives the push plate to move forward and backward; it also includes a lifting cylinder for lifting and lowering the barrel stack, a screw lifter for separating paint barrels, and a barrel for lowering the barrel stack. to the barrel dropping cylinder on the conveying roller assembly, the screw lifter drives the lifting cylinder to move up and down, the lifting cylinder drives the barrel dropping cylinder to move up and down, and the barrel dropping cylinder drives the lifting frame to move up and down ; Also includes a barrel clamping assembly, the barrel clamping assembly is provided with a barrel clamping cylinder and at least three rollers for surrounding and clamping the barrel body of the first paint barrel from bottom to top, and the barrel clamping cylinder drives the rollers Move left and right.

Preferably, the bucket separating device of the present invention includes a bucket pushing assembly, the bucket pushing assembly is provided with a bucket pushing cylinder and a blocking cylinder for pushing out the separated paint bucket, the bucket pushing cylinder drives the blocking cylinder before and after the blocking cylinder move.

Preferably, the barrel pushing assembly includes a blocking cylinder support that is slidably arranged front and rear, the bottom of the blocking cylinder is mounted on the blocking cylinder support, and the piston rod of the barrel pushing cylinder passes through the blocking cylinder support Floating joint connection.

Preferably, the conveying roller assembly is formed with a slot for avoiding the blocking cylinder.

Preferably, the bucket hanging assembly is provided with an upper hanging claw for hanging the flange portion of the third paint bucket from bottom to top, and the upper hanging claw is arranged correspondingly above the lower hanging claw.

Preferably, the lift frame is provided with two rails for abutting against the barrel stack.

Preferably, the bucket dividing assembly is provided with a bucket support assembly, and the bucket support assembly is provided with a bucket support cylinder and at least three bucket support blocks for surrounding and contacting and positioning the bucket stack, and the bucket support blocks are arranged on the upper Correspondingly above the hanging claws, the bucket support cylinder drives the bucket support block to move left and right.

Compared with the prior art, the utility model has the beneficial effects as follows: by setting the barrel dividing component, the barrel dividing component is provided with a barrel hanging component, a handle swinging component and a lifting frame, and the barrel hanging component is provided with a hanging claw cylinder and a The lower hanging claw of the flange of the second paint bucket from bottom to top is hooked, and the upper swing assembly of the handle is provided with a push plate cylinder and a push plate for pushing up the handle of the second paint bucket from bottom to top. A lifting cylinder for lifting the barrel stack, a screw lifter for separating the paint barrels, and a barrel dropping cylinder for placing the barrel stack on the conveying roller assembly are provided, and a barrel clamping assembly is also provided, and the barrel clamping assembly is provided with a barrel clamping cylinder and at least three rollers for surrounding and clamping the barrel body of the first paint barrel from bottom to top, so that the barrel dividing device of the present utility model can replace the manual barrel dividing process, which is beneficial to reduce labor intensity and improve work efficiency.

Description of drawings

FIG. 1 is a schematic three-dimensional structure diagram of the bucket dividing device of the present invention.

FIG. 2 is a schematic cross-sectional structural diagram of the bucket dividing device of the present invention, as viewed from the right direction.

FIG. 3 is a schematic three-dimensional structure diagram of the bucket dividing assembly of the present invention.

FIG. 4 is a schematic three-dimensional structure diagram of the combination of the barrel separating device and the barrel stack of the present invention.

FIG. 5 is a partial structural schematic diagram of the combination of the handle-up swing assembly and the bucket stack of the present invention from the right view direction.

FIG. 6 is a schematic structural diagram of the push barrel assembly of the present invention.

FIG. 7 is a schematic diagram of the three-dimensional structure of the paint bucket.

Description of labels: 1- bucket assembly; 11- bucket assembly; 111- lower hanging claw; 112- upper hanging claw; 113- hanging claw cylinder; 12- handle upper swing assembly; 121- push plate; 122- push plate Cylinder; 123-Push Plate Bracket; 124-Up Push Plate; 13-Lifting Frame; 14-Railrail; 15-Barrel Assembly; 151-Barrel Block; 152-Barrel Cylinder; 2-Lifting Cylinder; 21-Lifting Cylinder Support; 3-screw lifter; 4-barrel clamping assembly; 41-roller; 42-barrel clamping cylinder; 5-conveying roller assembly; 51-slot; 501-first roller; 502-second roller; 6-push barrel assembly; 61-blocking cylinder; 62-push barrel cylinder; 63-blocking cylinder support; 64-floating joint; 7-falling barrel cylinder; 71-falling barrel cylinder support; Paint Bucket; 991-Body; 992-Flange; 993-Hand in Hand.

Detailed ways

The present utility model will be further described below in conjunction with the accompanying drawings.

The barrel dividing device of the filling production line of the present invention, as shown in Figures 1 and 2, includes a conveying roller assembly 5 for conveying the barrel stack 990. The barrel dividing device of the present invention also includes a barrel dividing assembly 1, which is The component 1 is provided with a bucket hanging component 11, a handle upper swing component 2 and a lifting frame 13; as shown in FIG. 3, the bucket hanging component 11 is provided with a hanging claw cylinder 113 and is used to hang the second paint bucket 99 from bottom to top The lower hanging claws 111 of the flange portion 992 of the flange part 992 are slid left and right on the lifting frame 13. Specifically, the lower hanging claws 111 are slidably connected to the lifting frame 13 through corresponding linear bearings, and the hanging claw cylinders 113 are installed in On the lifting frame 13, the hanging claw cylinder 113 drives the lower hanging claws 111 to move left and right. In order to balance the force of the barrel stack 990, as shown in Figure 4, the lower hanging claws 111 are symmetrically distributed on the left and right sides of the barrel stack 990; As shown in Fig. 3, the handle upper swing assembly 2 is provided with a push plate cylinder 122 and a push plate 121 for pushing up the handle 993 of the second paint bucket 99 from the bottom to the top. The push plate 121 slides back and forth on the lift frame 13. For example, the push plate cylinder 122 can be selected from the prior art three-axis cylinder (that is, a cylinder with a guide rod), the push plate cylinder 122 is installed on the lifting frame, and the push plate cylinder 122 drives the push plate 121 to move back and forth; As shown in FIG. 2 , the barrel separating device of the present invention further includes a lifting cylinder 2 for lifting and lowering the barrel stack 990 , a screw lifter 3 for separating the paint barrels 99 , and a screw lifter 3 for lowering the barrel stack 990 to the conveying roller assembly 5 on the drop barrel cylinder 7. The screw lifter 3 is in the prior art, and the screw lifter 3 can be driven by a motor (it should be noted that the above-mentioned motors are not drawn in each drawing), and the output shaft of the motor is connected to the worm of the screw lifter 3, and the screw lifter The worm of 3 drives the worm wheel of the screw lifter 3 to rotate, the worm wheel of the screw lifter 3 drives the nut of the screw lifter 3 to rotate, and the nut of the screw lifter 3 drives the screw of the screw lifter 3 to move up and down. The screw lifter 3 drives the lifting cylinder 2 to move up and down. Specifically, as shown in FIG. 2 , the cylinder body of the lifting cylinder 2 is installed on the lifting cylinder support 21 , and the lower end of the screw of the screw lifter 3 is connected to the lifting cylinder support 21 . Connected by corresponding screws; the lifting cylinder 2 drives the barrel dropping cylinder 7 to move up and down. Specifically, the cylinder body of the barrel dropping cylinder 7 is installed on the lower side of the barrel dropping cylinder support 71, and the lower end of the piston rod of the lifting cylinder 2 is connected to the lower end of the falling barrel cylinder. The bucket cylinder support 71 is installed and connected; the bucket drop cylinder 7 drives the lift frame 13 to move up and down. Specifically, the piston rod of the bucket drop cylinder 7 is installed and connected to the lift frame 13 . As shown in FIG. 1 , the bucket dividing device of the present invention further includes a bucket clamping assembly 4. The bucket clamping assembly 4 is provided with a bucket clamping cylinder 42 and at least three cylinders for surrounding and clamping the first paint bucket 99 from bottom to top. The rollers 41 of the barrel body 991 and the barrel clamping cylinder 42 drive the rollers 41 to move left and right. Specifically, the axes of the rollers 41 are extended in the up and down direction. The number of the rollers 41 is specifically set to four, and every two rollers 41 rotate as a group. Connected to the same support, the piston rod of the barrel clamping cylinder 42 is installed and connected to the above-mentioned support, as shown in FIG. The barrel clamping cylinder 42 pushes the corresponding two rollers 41 to the right to press on the left part of the barrel 991 of the paint barrel 99, and the barrel clamping cylinder 42 located on the right side of the paint barrel 99 pushes the corresponding two rollers 41 to the left to press On the right part of the barrel 991 of the paint barrel 99, the four rollers 41 surround the barrel 991 of the first paint barrel 99 from bottom to top; in order to increase the friction between the rollers 41 and the barrel 991 in the up-down direction force, the roller 41 can be set as a rubber roller.

The working principle of the barrel separating device of the present invention is briefly described below: the barrel stack 990 is driven to move to the barrel separation station by the conveying roller assembly 5 driven by the corresponding deceleration motor (that is, the barrel stack 990 is moved to the barrel clamping assembly 4). within the clamping range), then the conveying roller assembly 5 stops, the barrel clamping cylinder 42 presses the roller 41 to the lower part of the barrel 991 of the first paint barrel 99 from bottom to top, the roller 41 has a left and right positioning effect on the barrel stack 990, and the replacement In other words, when the barrel stack 990 is deviated in the left and right direction, the barrel stack 990 can be moved to the barrel dividing station by the pushing action of the rollers 41 on the left and right sides of the barrel stack 990, and then the assembly 12 can be placed on the arm. The push plate 121 is driven by the push plate cylinder 122 to move forward and push up the handle 993 of the second paint bucket 99 from bottom to top, specifically, the handle 993 is swung upward. Fig. 5 schematically shows that the push plate 121 pushes up the corresponding The state of the handle 993 (it should be noted that only the handle 993 is schematically drawn in FIG. 5 and FIG. 7 ), then the claw cylinder 113 pushes the lower claw 111 to the second paint bucket 99 from bottom to top , the lower hanging claw 111 abuts the upper part of the barrel 991 of the second paint bucket 99 from bottom to top, and then the screw lifter 3 lifts the entire sub-barrel assembly 1, so the lower hanging claw 111 hangs the second paint from bottom to top The flange portion 992 of the bucket 99, so that the second paint bucket 99 from the bottom to the top is loosened from the first paint bucket 99 from the bottom to the top, and then the lift cylinder 12 is faster from the bottom to the top. The second paint bucket 99 The bucket stack 990 above is lifted away from the first paint bucket 99 from the bottom to the top, the clamping bucket assembly 4 releases the first paint bucket 99 from the bottom to the top, and then the above-mentioned first paint bucket 99 from the bottom to the top is moved backwards. It is pushed out to the conveying line device connected to the next process, then the lifting cylinder 12 lowers the barrel stack 990, and the screw of the screw lifter 3 is also lowered and reset. The bucket cylinder 7 needs to lower the bucket subassembly 1 together with the bucket stack 990, so that the bottom of the second paint bucket 99 from bottom to top can abut on the conveying roller assembly 5, otherwise the bucket stack 990 will fall to the conveying roller later On the assembly 5; as shown in Figure 4, the bucket clamping assembly 4 clamps the new first paint bucket 99 from the bottom to the top, the handle upper swing assembly 12 is reset, the hanging bucket assembly 11 is reset, and the bucket drop cylinder 7 is reset to make the bucket The assembly 1 rises to the position corresponding to the new second paint bucket 99 from bottom to top, and then the pull-up swing assembly 12 pushes up the corresponding pull-handle 993, and so on. By setting the handle-up swing assembly 12 to push the handle 993 up first, when the second paint bucket 99 is raised from the bottom to the top, the handle 993 of the second paint bucket 99 from the bottom to the top will hook the first paint bucket 99 from the bottom to the top. A flange portion 992 of a paint bucket 99. By setting the screw lifter 3 for separating the second paint bucket 99 from bottom to top and the first paint bucket 99 from bottom to top, the output force of the screw lifter 3 is stable and has the advantages of large transmission ratio, so it is beneficial to Separate tightly stacked paint buckets 99. By arranging the roller 41 to contact the barrel 991 of the first paint barrel 99 from bottom to top, when the barrel clamping cylinder 42 pushes the barrel stack 990, the roller 41 can roll on the surface of the barrel body 991, which is beneficial to make the barrel stack 990 It can be easily moved to the positioning area surrounded by the rollers 41 , and it is avoided that when the barrel clamping cylinder 42 pushes the barrel stack 990 , the barrel clamping cylinder 42 pushes the barrel stack 990 to rotate. The hanging claw cylinder 113, the push plate cylinder 122, the lifting cylinder 2, the screw lifter 3 and the barrel dropping cylinder 7 are all controlled by the PLC system. The bucket dividing device of the utility model replaces the manual bucket dividing process, which is beneficial to reduce labor intensity and improve work efficiency.

Further, as shown in FIG. 1 to FIG. 4 and FIG. 6, the barrel pusher assembly 6 is provided with a barrel pusher cylinder 62 and a blocking cylinder 6 for pushing out the separated paint barrel 99. The blocking cylinder 6 It is a product of the prior art, a sliding bushing is provided between the piston rod of the blocking cylinder 6 and the cylinder block of the blocking cylinder 6, so the piston rod of the blocking cylinder 6 can withstand a large radial impact force, and the barrel-pushing cylinder 62 drives the Block cylinder 6 from moving back and forth. When the first paint bucket 99 from the bottom to the top is separated, and the clip bucket assembly 4 releases the first paint bucket 99 from the bottom to the top, the piston rod of the blocking cylinder 6 extends upward, and the bucket push cylinder 62 pushes from front to back Blocking the cylinder 6, the piston rod of the blocking cylinder 6 contacts and pushes the above-mentioned first paint bucket 99 from bottom to top to move backward to the conveying line device connected to the next process, which is beneficial to improve work efficiency and reduce labor intensity. The blocking cylinder 6 and the barrel pushing cylinder 62 can be controlled by the above-mentioned PLC system.

Further, as shown in FIG. 6 , the barrel pushing assembly 6 includes a blocking cylinder support 63 that is slidably disposed forward and backward. For example, the blocking cylinder support 63 can be supported by corresponding linear guide rails, and the bottom of the blocking cylinder 6 can pass through corresponding screws. Installed on the blocking cylinder support 63, the piston rod of the barrel pushing cylinder 62 is connected with the blocking cylinder support 63 through the floating joint 64, the floating joint 64 is a product of the prior art, and the floating joint 64 is provided with a ball joint, so Both ends of the floating joint 64 can swing relative to a certain angle. Specifically, one end of the floating joint 64 is screwed to the piston rod of the barrel pushing cylinder 62 and is relatively fixed, and the other end corresponding to the floating joint 64 is connected to the blocking cylinder support 63 from passing through. The corresponding nut is relatively fixed; since a larger stroke of the barrel-push cylinder 62 needs to be set, a certain assembly error can be offset by setting the floating joint 64 to avoid the sticking phenomenon when the paint barrel 99 is pushed out, which is conducive to the stable progress of the process .

Further, as shown in FIG. 1 , the conveying roller assembly 5 is formed with a slot 51 for avoiding the blocking cylinder 6. Specifically, the conveying roller assembly 5 includes a first roller 501 and a second roller 502. The second roller The length of 502 is less than half of the length of the first roller 501, the first roller 501 is arranged at the front of the conveying roller assembly 5, the second roller 502 is arranged at the rear of the conveying roller assembly 5, and every two second rollers The drums 502 are coaxially arranged and distributed on the left and right sides of the slot 51. The deceleration motor of the conveying roller assembly 5 is connected to each of the first rollers 501 and the second rollers 502 through a chain drive. The width of the slot 51 along the left and right directions It is smaller than the diameter of the bottom of the paint bucket 99, so the paint bucket 99 will not drop to the slot 51. When the push bucket cylinder 62 drives the blocking cylinder 61 to move forward and reset, the piston rod of the blocking cylinder 62 retracts, and the blocking cylinder 62 retracts. The upper end of the 62 is lower than the top of the second roller 502 to avoid blocking the air cylinder 62 from hitting the bottom of the paint bucket 99 . By setting the above-mentioned slot 51, the paint bucket 99 is also supported by the second roller 502 when it is pushed back by the bucket pushing cylinder 62, which is beneficial to the smooth movement of the paint bucket 99, during which the conveying roller assembly 5 runs simultaneously, It can also be understood that by setting the blocking cylinder 62, the paint bucket 99 can be prevented from slipping on the conveying roller assembly 5, so that the paint bucket 99 can be pushed out relatively quickly.

Further, as shown in FIG. 3 , the bucket hanging assembly 11 is provided with an upper hanging claw 112 for hooking the flange portion 992 of the third paint bucket 99 from the bottom to the top. The upper part specifically means that when the lower hanging claw 111 is hooked to the flange portion 992 of the second paint bucket 99 from bottom to top, the upper hanging claw 112 is hooked to the flange portion 992 of the third paint bucket 99 from bottom to top, Therefore, the upper hanging claws 112 play an auxiliary role in supporting the bucket stack 990, so as to prevent the flange portion 992 of a single paint bucket 99 from being overstressed, which may cause deformation of the mouth of the paint bucket 99. The upper hanging claws 112 and the corresponding lower The hanging claw 111 is relatively fixed. As shown in FIG. 3, an upper push plate 124 for pushing up the handle 993 of the third paint bucket 99 from bottom to top can also be provided; the upper push plate 124 is relatively fixedly connected to the push plate bracket 123, and the upper push plate 124 Push up the handle 993 of the third paint bucket 99 from bottom to top to prevent the lower hanging claw 111 from being hindered by the handle 993 of the third paint bucket 99 from bottom to top when clamping to the second paint bucket 99 from bottom to top .

Further, as shown in FIG. 3 , the lift frame 13 is provided with two railings 14 for abutting against the bucket stack 990 . The railings 14 can be welded on the lifting frame 13, and the railings 14 are erected. As shown in FIG. 4, the rear of the barrel stack 990 can lean against the two railings 14. dump.

Further, as shown in FIG. 3 , the bucket dividing assembly 1 is provided with a bucket support assembly 15, and the bucket support assembly 15 is provided with a bucket support cylinder 152 and at least three bucket support blocks 151 for surrounding and contacting the positioning bucket stack 990. The block 151 is arranged on the corresponding upper part of the upper hanging claw 112, and the bucket support cylinder 152 drives the bucket support block 151 to move left and right. The number is set to four, and every two bucket support blocks 151 are symmetrically arranged front and rear to form a fork. The above-mentioned fork is provided; when the lower hanging claw 111 leans against the corresponding paint bucket 99, the bucket support cylinder 152 also drives the corresponding bucket support block 151 to lean toward the corresponding paint bucket 99, thereby further stabilizing the bucket pile 990 and avoiding the bucket pile. 990 dumped. The bucket cylinder 152 can be controlled by the above-mentioned PLC system.

Claims (7)

1. A barrel dividing device for a filling production line, comprising a conveying roller assembly (5) for conveying a barrel stack (990), characterized in that it further comprises a barrel dividing assembly (1), the barrel dividing assembly (1) A bucket hanging component (11), a handle swinging component (12) and a lifting frame (13) are provided, and the bucket hanging component (11) is provided with a hanging claw cylinder (113) and is used for hooking a second bottom-to-top second The lower hanging claws (111) of the flange portion (992) of each paint bucket (99), the lower hanging claws (111) are slid left and right on the lifting frame (13), and the hanging claw cylinder (113) The lower hanging claw (111) is driven to move left and right, and the handle upper swing assembly (12) is provided with a push plate cylinder (122) and a handle (993) for the second paint bucket (99) from bottom to top ) a push plate (121) pushed up, the push plate (121) is slidably arranged on the lift frame (13) back and forth, and the push plate cylinder (122) drives the push plate (121) to move back and forth; It also includes a lifting cylinder (2) for lifting the barrel stack (990), a screw lifter (3) for separating the paint barrels (99), and a barrel stack (990) for lowering the barrel stack (990) to the conveying roller assembly (5) ), the screw lifter (3) drives the lift cylinder (2) to move up and down, the lift cylinder (2) drives the bucket drop cylinder (7) to move up and down, the The barrel dropping cylinder (7) drives the lifting frame (13) to move up and down; It also includes a bucket clamping assembly (4), which is provided with a bucket clamping cylinder (42) and at least three bucket bodies (42) for surrounding and clamping the first paint bucket (99) from bottom to top 991) of the roller (41), the barrel clamping cylinder (42) drives the roller (41) to move left and right. 2. The barrel dividing device of the filling production line according to claim 1, characterized in that it comprises a barrel pushing assembly (6), and the barrel pushing assembly (6) is provided with a barrel pushing cylinder (62) and is used for pushing out the separated barrels The blocking cylinder (61) of the paint bucket (99) that comes out, the pushing cylinder (62) drives the blocking cylinder (61) to move back and forth. 3. The barrel dividing device of a filling production line according to claim 2, characterized in that: the barrel pushing assembly (6) comprises a blocking cylinder support (63) slidably arranged back and forth, and the bottom of the blocking cylinder (61) Installed on the blocking cylinder support (63), the piston rod of the barrel pushing cylinder (62) is connected with the blocking cylinder support (63) through a floating joint (64). 4 . The barrel dividing device of the filling production line according to claim 3 , wherein the conveying roller assembly ( 5 ) is formed with a slot ( 51 ) for avoiding the blocking cylinder ( 61 ). 5 . 5. The barrel dividing device of the filling production line according to claim 1, characterized in that: the barrel hanging assembly (11) is provided with a flange portion (992) for hooking the third paint barrel (99) from bottom to top ) of the upper hanging claw (112), the upper hanging claw (112) is arranged on the corresponding upper part of the lower hanging claw (111). 6 . The barrel dividing device of the filling production line according to claim 5 , wherein the lifting frame ( 13 ) is provided with two railings ( 14 ) for abutting against the barrel stack ( 990 ). 7 . 7. The barrel dividing device of a filling production line according to claim 6, characterized in that: the barrel dividing assembly (1) is provided with a barrel-supporting assembly (15), and the barrel-supporting assembly (15) is provided with a barrel-supporting cylinder (152) and at least three bucket support blocks (151) for surrounding and contacting the positioning bucket stack (990), the bucket support blocks (151) are arranged correspondingly above the upper hanging claws (112), and the bucket support blocks (151) The bucket cylinder (152) drives the bucket support block (151) to move left and right.

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