CN216863595U

CN216863595U - Device for automatically packaging paint barrel cover

Info

Publication number: CN216863595U
Application number: CN202220621051.6U
Authority: CN
Inventors: 农文光; 黄永明
Original assignee: Guangdong Shunde Qiaotu Mechanical Engineering Co ltd
Current assignee: Guangdong Shunde Qiaotu Mechanical Engineering Co ltd
Priority date: 2022-03-22
Filing date: 2022-03-22
Publication date: 2022-07-01
Anticipated expiration: 2032-03-22

Abstract

The utility model discloses a device for automatically packaging a paint barrel cover, which comprises a conveying roller mechanism and a barrel cover press-mounting mechanism for pressing and buckling the barrel cover on a barrel body; the barrel cover feeding mechanism is provided with a cover dropping assembly used for discharging the barrel covers in the barrel cover stack one by one and a rotary picking and placing mechanism used for covering the barrel covers discharged by the cover dropping assembly on the barrel body, one end of a transmission shaft is connected with the middle of a rotating arm in an installing mode, the rotating cylinder is connected with the other end corresponding to the transmission shaft in a driving mode, a first suction disc driving cylinder is installed at one end of the rotating arm, a second suction disc driving cylinder is installed at the other end corresponding to the rotating arm, a first vacuum suction disc is arranged on a piston rod of the first suction disc driving cylinder, a second vacuum suction disc is arranged on a piston rod of the second suction disc driving cylinder, and the first vacuum suction disc and the second vacuum suction disc are arranged in a back-to-back mode. The device for automatically packaging the paint barrel cover is beneficial to reducing the labor intensity and improving the working efficiency.

Description

Device for automatically packaging paint barrel cover

Technical Field

The utility model relates to the technical field of filling production lines, in particular to a device for automatically sealing a paint barrel cover.

Background

At present, in the coating production industry, in the existing water-based coating filling production line, a barrel cover packaging procedure is required to be carried out after a filling procedure of a paint barrel, so that the coating in the paint barrel is prevented from leaking; the existing barrel cover press-fitting mechanism is used for press-fastening a barrel cover on the edge of an upper end opening of a barrel body of a paint barrel, specifically, the edge of the upper end opening of the barrel body is outwards turned to form a flange, and the edge part of the barrel cover is inwards turned to be tightly fastened with the flange of the upper end opening of the barrel body through a pressing claw component of the barrel cover press-fitting mechanism; in the prior art, the barrel cover is placed on the upper end opening of the corresponding barrel body by hands, and then the pressing claw lifting cylinder of the barrel cover pressing mechanism drives the pressing claw assembly to press down the barrel cover and press and buckle the barrel cover and the barrel body, so that the labor intensity of workers is high, and the working efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and provides a device for automatically packaging a paint barrel cover, which is beneficial to improving the working efficiency and reducing the labor intensity.

The purpose of the utility model is realized by the following technical scheme.

The utility model discloses a device for automatically packaging a paint barrel cover, which comprises a conveying roller mechanism for conveying a barrel body and a barrel cover press-mounting mechanism for pressing and buckling the barrel cover on the barrel body, wherein the barrel cover press-mounting mechanism is arranged above the conveying roller mechanism; the barrel cover feeding mechanism is provided with a cover falling assembly used for discharging barrel covers in a barrel cover stack one by one, the cover falling assembly comprises an upper supporting cover assembly and a lower supporting cover assembly, the upper supporting cover assembly comprises an upper supporting block cylinder and an upper supporting block used for supporting a cover opening flange of a second barrel cover from bottom to top, the upper supporting block cylinder drives the upper supporting block to move left and right, the lower supporting cover assembly comprises a lower supporting plate cylinder and a lower supporting plate used for supporting the bottom of a first barrel cover from bottom to top, the lower supporting plate cylinder drives the lower supporting plate to move left and right, the barrel cover feeding mechanism is provided with a rotary picking and placing mechanism used for covering the barrel cover discharged by the cover falling assembly on the barrel body, and the rotary picking and placing mechanism comprises a first vacuum chuck, a first suction disc driving cylinder, a second vacuum chuck, a second suction disc driving cylinder, a rotating arm, a transmission shaft and a rotary cylinder, the one end of transmission shaft with the mid-mounting of swinging boom is connected, the revolving cylinder drive is connected the corresponding other end of transmission shaft, first sucking disc drives actuating cylinder and installs the one end of swinging boom, the second sucking disc drives actuating cylinder and installs the corresponding other end of swinging boom, first vacuum chuck sets up on the piston rod of first sucking disc drive actuating cylinder, second vacuum chuck sets up on the piston rod of second sucking disc drive actuating cylinder, first vacuum chuck with second vacuum chuck sets up dorsad mutually, first vacuum chuck reaches second vacuum chuck locates the corresponding below of bottom plate, first vacuum chuck reaches second vacuum chuck locates conveying roller mechanism's corresponding top.

Preferably, the device for automatically packaging the paint barrel cover further comprises a pressing claw lifting seat, a positioning screw and a stand column seat, wherein the pressing claw lifting seat is sleeved on the stand column seat, the positioning screw is rotationally connected to the stand column seat, the positioning screw is in threaded connection with the pressing claw lifting seat, and the barrel cover press-mounting mechanism is arranged on the pressing claw lifting seat; still include lifting frame, frame and worm gear riser, lifting frame sliding connection be in the frame, the worm gear riser is installed in the frame, the lower extreme of the output screw rod of worm gear riser with lifting frame connects, bung feeding mechanism sets up lifting frame is last.

Preferably, the barrel cover feeding mechanism is provided with a support and a cross rod, the cross rod is arranged on the lifting frame, the support is installed on the cross rod, the support can slide on the cross rod to be adjusted in position, and the cover falling component is arranged on the support.

Preferably, the barrel cover feeding mechanism is provided with positioning vertical rods which are used for being attached to the periphery of the barrel cover stack in a distributed mode, and the lower portion of each positioning vertical rod is provided with a position adjusting seat which is used for adjusting the position along the radius direction of the barrel cover stack.

Preferably, the lower end of the upper supporting block is provided with a supporting piece part and a baffle part which is used for being matched and attached to the barrel cover stack, and the lower end of the baffle part is connected with the supporting piece part.

Compared with the prior art, the utility model has the beneficial effects that: through setting up bung feeding mechanism, bung feeding mechanism is equipped with the lid subassembly that falls that is arranged in discharging the bung pile bung one by one and is used for picking up the mechanism of putting on the staving with the rotatory bung lid that falls the lid subassembly and discharges, replaces the manual operation through setting up bung feeding mechanism, is favorable to reducing intensity of labour and improves work efficiency.

Drawings

Fig. 1 is a schematic perspective view of the apparatus for automatically sealing a paint barrel cover according to the present invention.

Fig. 2 is a schematic perspective view of the combination of the pressing claw lifting seat, the positioning screw, the stand column seat and the barrel cover press-mounting mechanism of the present invention.

Fig. 3 is a schematic top perspective view of the combination of the barrel cover feeding mechanism and the lifting frame of the present invention.

Fig. 4 is a schematic bottom perspective view of the combination of the barrel cover feeding mechanism and the lifting frame of the present invention.

Fig. 5 is a schematic cross-sectional structural view in the left-view direction of the combination of the lid feeding mechanism and the lifting frame of the present invention.

Fig. 6 is a schematic front view of the combination of the barrel cover feeding mechanism and the barrel cover stack according to the present invention.

Fig. 7 is a partial structural view of a portion a of fig. 6.

Fig. 8 is a schematic perspective view of the rotary pick-and-place mechanism of the present invention.

Fig. 9 is a schematic perspective view of the pop-up block of the present invention.

Description of the reference symbols: 1-a conveying roller mechanism; 2-barrel cover press-fitting mechanism; 21-a pressing claw component; 22-a pressing claw lifting cylinder; 3-a barrel cover feeding mechanism; 30-dropping the cover assembly; 301-a support; 302-a cross-bar; 31-a pop-up lid assembly; 311-a pop-up block; 3111-a carrier section; 3112-a baffle portion; 312-a pop-up block cylinder; 32-lower tray cover assembly; 321-a lower supporting plate; 322-lower pallet cylinder; 33-a rotary pick and place mechanism; 331-a first vacuum chuck; 3311-first chuck drive cylinder; 332-a second vacuum chuck; 3321-second chuck drives the air cylinder; 333-rotating arm; 334-a drive shaft; 335-a rotary cylinder; 336-connecting disc; 34-positioning vertical rods; 341-a positioning seat; 4-a lifting frame; 5-pressing claw lifting seat; 6-positioning a screw rod; 7-a column base; 8-a frame; 9-worm gear lifter; 11-a first stopper; 12-a second stopper; 13-a third stopper; 14-a fourth blocker;

99-paint bucket; 991-barrel body; 992-barrel cover; 9920-barrel cover stack; 9921-lip flange.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

The device for automatically packaging the paint barrel cover comprises a conveying roller mechanism 1 for conveying a barrel body 991 and a barrel cover press-mounting mechanism 2 for pressing and buckling the barrel cover 992 on the barrel body 991, as shown in figure 1. The conveying roller mechanism 1 belongs to the prior art, and the conveying roller mechanism 1 comprises conveying rollers which are arranged in an array and driven to rotate by a speed reducing motor. The barrel cover press-fitting mechanism 2 belongs to the prior art, as shown in fig. 2, the barrel cover press-fitting mechanism 2 comprises a pressing claw assembly 21 and a pressing claw lifting cylinder 22, the pressing claw lifting cylinder 22 drives the pressing claw assembly 21 to lift, and the barrel cover press-fitting mechanism 2 can refer to "an automatic sealing device for an outer wall coating barrel" with the chinese utility model patent publication No. CN207684845U for example. As shown in fig. 1, the barrel cover press-fitting mechanism 2 is disposed above the conveying roller mechanism 1, so that the pressing claw assembly 21 can directly seal the paint bucket 99 mounted on the conveying roller mechanism 1.

As shown in fig. 1, the device for automatically packaging a paint can cover of the present invention further comprises a can cover feeding mechanism 3, and when the conveying roller mechanism 1 is set to convey the can body 991 of the paint can 99 from right to left, the can cover feeding mechanism 3 is arranged at the right side of the can cover press-mounting mechanism 2; as shown in fig. 3 to 9, the barrel cover feeding mechanism 3 is provided with a cover dropping assembly 30 for discharging the barrel covers 992 of the barrel cover stack 9920 one by one, the barrel cover stack 9920 is formed by stacking inverted barrel covers 992, specifically, the cover dropping assembly 30 includes an upper support cover assembly 31 and a lower support cover assembly 32, the upper support cover assembly 31 includes an upper support block cylinder 312 and an upper support block 311 for supporting the cover opening flange 9921 of the second barrel cover 992 from bottom to top, the upper support block cylinder 312 drives the upper support block 311 to move left and right, the lower support cover assembly 32 includes a lower support plate cylinder 322 and a lower support plate 321 for supporting the bottom of the first barrel cover 992 from bottom to top, and the lower support plate cylinder 322 drives the lower support plate 321 to move left and right. As shown in fig. 3 to 8, the drum lid feeding mechanism 3 is provided with a rotary pick-and-place mechanism 33 for covering the drum lid 992 released by the lid dropping assembly 30 on the drum body 991, the rotary pick-and-place mechanism 33 comprises a first vacuum chuck 331, a first chuck driving cylinder 3311, a second vacuum chuck 332, a second chuck driving cylinder 3321, a rotating arm 333, a transmission shaft 334 and a rotating cylinder 335, and one end of the transmission shaft 334 is connected to the middle part of the rotating arm 333 through a corresponding screw; the rotary cylinder 335 belongs to the prior art, and is also called a rotary cylinder, and is provided with a rotary table which can be driven by compressed air to swing and rotate in a reciprocating manner by 180 degrees; the rotary cylinder 335 is connected to the other end of the transmission shaft 334, specifically, as shown in fig. 8, a connection pad 336 is installed on a rotary plate of the rotary cylinder 335 through a corresponding screw, the front end of the connection pad 336 is connected to the rear end of the transmission shaft 334 through a coupling, the first suction cup driving cylinder 3311 is installed at one end of the rotation arm 333, the second suction cup driving cylinder 3321 is installed at the other end of the rotation arm 333, the first suction cup driving cylinder 3311 and the second suction cup driving cylinder 3321 can both adopt a dual-rod cylinder of the prior art, the first vacuum cup 331 is installed on a piston rod of the first suction cup driving cylinder 3311, the second vacuum cup 332 is installed on a piston rod of the second suction cup driving cylinder 3321, specifically, the first vacuum cup 331 is installed on a piston rod of the first suction cup driving cylinder 3311 through a corresponding support plate, the first vacuum cup 331 is opposite to the second vacuum cup 332, for example, in the state shown in fig. 8, the first vacuum chuck 331 is oriented downward, the second vacuum chuck 332 is oriented upward, as shown in fig. 5, the first vacuum chuck 331 and the second vacuum chuck 332 are disposed below the lower plate 321, and as shown in fig. 1, the first vacuum chuck 331 and the second vacuum chuck 332 are disposed above the transfer roller mechanism 1. The barrel cover press-fitting mechanism 2 and the barrel cover feeding mechanism 3 can be controlled by a PLC control system.

The operation of the apparatus for automatically sealing a paint bucket cover according to the present invention will be briefly described as follows: as shown in fig. 1, a barrel 991 filled with a coating is conveyed leftwards on a conveying roller mechanism 1, when the barrel 991 triggers a corresponding opposite electric eye of a second stopper 12, a control system controls an air cylinder of the second stopper 12 to extend a stopper of the second stopper 12 out of an intercepting barrel 991, so that the barrel 991 stops below a corresponding barrel cover stack 9920, then a first vacuum chuck driving air cylinder 3311 pushes a first vacuum chuck 331 downwards, so that one barrel cover 992 adsorbed by the first vacuum chuck 331 is opposite to and covers downwards on the barrel 991, the first vacuum chuck 331 releases the barrel cover 992 covered on the barrel 991, the first vacuum chuck driving air cylinder 3311 drives the first vacuum chuck 331 to move upwards and reset, the second stopper 12 is removed, so that the conveying roller mechanism 1 conveys the barrel body 991 covered with the barrel cover 992 leftwards, the first stopper 11 is removed, so that the next barrel body 991 is conveyed to the corresponding lower part of the barrel cover stack 9920, during the period, the second suction cup driving cylinder 3321 pushes the second vacuum suction cup 332 upwards, the second vacuum suction cup 332 contacts and adsorbs the first barrel cover 992 of the barrel cover stack 9920 from bottom to top, then the lower supporting plate 321 is driven by the corresponding lower supporting plate cylinder 322 to move away from the center of the barrel cover stack 9920, the second suction cup driving cylinder 3321 resets to pull the first barrel cover 992 from bottom to top down to leave the barrel cover stack 9920, since the top bracket 311 still supports the second lid 992 of the lid stack 9920 from bottom to top, therefore, the barrel cover stack 9920 can not fall off, the lower supporting plate cylinder 322 pushes the lower supporting plate 321 to reset, the upper supporting block cylinder 312 withdraws the upper supporting block 311 along with the falling of the barrel cover stack, so that the barrel cover stack 9920 falls onto the lower supporting plate 321 under the action of gravity, the lower supporting plate 321 is restored to support the barrel cover stack 9920, then the upper supporting block cylinder 312 drives the upper supporting block 311 to extend and reset, so that the upper supporting block 311 supports a new cover opening flange 9921 of a second barrel cover 992 from bottom to top; then the control system controls the rotary cylinder 335 to rotate 180 degrees, so that the first vacuum chuck 331 swings up 180 degrees, then the first vacuum chuck 331 is turned upwards, the first vacuum chuck 331 sucks one barrel cover 992, the second vacuum chuck 332 covers one barrel cover 992 sucked by the second vacuum chuck 332 onto the corresponding barrel body 991 when the barrel body 991 reaches the corresponding lower part, the process is repeated, the barrel body 991 which is covered with the barrel cover 992 through the barrel cover feeding mechanism 3 is firstly intercepted by the third stopper 13, then the process is finished after the barrel cover press-mounting mechanism 2 seals a paint barrel 99 (comprising the barrel body 991 and the barrel cover 992) which is correspondingly arranged below the press claw assembly 21 and intercepted by the fourth stopper 14, the third stopper 13 is removed, so that the paint barrel cover sealing process is continuously completed, and the utility model is favorable for automatically placing the barrel cover 992 on the barrel body 991, that is, the manual operation is replaced by arranging the feeding mechanism 3, is beneficial to reducing the labor intensity and improving the working efficiency.

Further, as shown in fig. 2, the device for automatically sealing a paint barrel cover of the present invention further includes a pressing claw lifting seat 5, a positioning screw 6 and a column seat 7, the pressing claw lifting seat 5 is sleeved on the column seat 7, the positioning screw 6 is rotatably connected to the column seat 7, the positioning screw 6 is in threaded connection with the pressing claw lifting seat 5, specifically, the positioning screw 6 is in threaded connection with a mounting plate at the upper end of the column seat 7, a corresponding hand wheel can be mounted at the upper end of the positioning screw 6, the barrel cover press-fitting mechanism 2 is disposed on the pressing claw lifting seat 5, specifically, a cylinder body of a pressing claw lifting cylinder 22 of the barrel cover press-fitting mechanism 2 is mounted on the pressing claw lifting seat 5, and the pressing claw assembly 21 is connected with a piston rod of the pressing claw lifting cylinder 22. As shown in fig. 1 and 3 to 5, the device for automatically packaging a paint barrel cover of the present invention further comprises a lifting frame 4, a frame 8 and a worm gear lifter 9, wherein the worm gear lifter 9 belongs to a product in the prior art, the lifting frame 4 is slidably connected to the frame 8 through a linear bearing, the worm gear lifter 9 is installed on the frame 8, and the lower end of an output screw of the worm gear lifter 9 is fixedly connected with the lifting frame 4; as shown in fig. 3 to 5, the lid feeding mechanism 3 is disposed on the lifting frame 4, and specifically, the transmission shaft 334 is rotatably connected to the lifting frame 4 through a bearing with a seat. When the height dimension specification of the barrel body 991 is changed, the height position of the barrel cover press-mounting mechanism 2 can be adjusted in a lifting mode by rotating the positioning screw 6, and the height position of the barrel cover feeding mechanism 3 can be adjusted in a lifting mode by rotating the worm end of the worm gear lifter 9, so that the barrel cover feeding mechanism is good in adaptability.

Further, as shown in fig. 3, the barrel cover feeding mechanism 3 is provided with a support 301 and a cross rod 302, the cross rod 302 is disposed on the lifting frame 4, specifically, the left end and the right end of the cross rod 302 are respectively mounted on the lifting frame 4 through corresponding first clamping seats, the support 301 is mounted on the cross rod 302, specifically, the bottom of the support 301 is mounted with a corresponding second clamping seat clamped on the cross rod 302, the support 301 can slide on the cross rod 302 to be adjusted by loosening a locking screw on the second clamping seat, and the second clamping seat is tightly held by the cross rod 302 by locking the locking screw on the second clamping seat after the adjustment is completed. The lid dropping assembly 30 is disposed on the support 301, specifically, the upper supporting block cylinder 312 and the lower supporting plate cylinder 322 may both adopt a three-axis cylinder in the prior art, the upper supporting block 311 is mounted on a piston rod of the upper supporting block cylinder 312, the lower supporting plate 321 is mounted on a piston rod of the lower supporting plate cylinder 322, the upper supporting block cylinder 312 and the lower supporting plate cylinder 322 are correspondingly mounted on the support 301, as shown in fig. 6, the lower supporting plate 321 and the upper supporting block 311 are respectively distributed on the left and right sides of the lid stack 9920, so that the positions of the upper supporting block 311 and the lower supporting plate 321 can be adjusted by adjusting the transverse position (i.e., the position in the left and right direction) of the support 301, so that the lid dropping assembly 30 can adapt to lids 992 of different diameter specifications.

Further, as shown in fig. 1, 3 and 6, the lid feeding mechanism 3 is provided with positioning upright posts 34 for being distributed and abutted against the periphery of the lid stack 9920, in other words, the lid stack 9920 is guided and positioned by the four positioning upright posts 34, the lid 992 in the lid stack 9920 intermittently moves down and will be guided by the four positioning upright posts 34, which is beneficial for enabling the rotary pick-and-place mechanism 33 to accurately adsorb the lid 992, the lower part of the positioning upright posts 34 is provided with positioning seats 341 for being positioned along the radial direction of the lid stack 9920, specifically, the bottom of the positioning seats 341 is formed with positioning long holes, wherein two positioning upright posts 34 are installed on the corresponding supports 301 through the corresponding positioning seats 341, the other two positioning upright posts 34 are installed on the corresponding crossbars 302 through the corresponding positioning seats 341, the positioning upright posts 34 are installed and connected with the corresponding positioning seats 341, and corresponding screws are installed in the positioning long holes, the positioning upright rod 34 can be adjusted along the radius direction of the barrel cover stack 9920 by loosening the screws, so that the position of the positioning upright rod 34 can adapt to barrel cover stacks 9920 with different diameter specifications.

Further, as shown in fig. 6, 7 and 9, a tab portion 3111 and a baffle portion 3112 adapted to abut against the lid stack 9920 are formed at the lower end of the upper tray 311, the lower end of the baffle portion 3112 is connected to the tab portion 3111, the tab portion 3111 can extend between the lid opening flanges 9921 of two adjacent lid stacks 992 of the lid stack 9920, and the baffle portion 3112 is formed with an inner cylindrical surface for abutting against the lid stack 9920, so as to further facilitate stable falling of the lid stack 992 in the lid stack 9920.

Claims

1. A device for automatically packaging a paint barrel cover comprises a conveying roller mechanism (1) for conveying a barrel body (991) and a barrel cover press-mounting mechanism (2) for pressing and buckling the barrel cover (992) on the barrel body (991), wherein the barrel cover press-mounting mechanism (2) is arranged above the conveying roller mechanism (1); the method is characterized in that: the barrel cover feeding mechanism (3) is provided with a cover dropping component (30) used for discharging barrel covers (992) in a barrel cover stack (9920) one by one, the cover dropping component (30) comprises an upper support cover component (31) and a lower support cover component (32), the upper support cover component (31) comprises an upper support block cylinder (312) and an upper support block (311) used for supporting a cover opening flange (9921) of a second barrel cover (992) from bottom to top, the upper support block cylinder (312) drives the upper support block (311) to move left and right, the lower support cover component (32) comprises a lower support plate cylinder (322) and a lower support plate (321) used for supporting the bottom of the first barrel cover (992) from bottom to top, the lower support plate cylinder (322) drives the lower support plate (321) to move left and right, the barrel cover feeding mechanism (3) is provided with a rotary picking and placing mechanism (33) used for enabling the barrel covers (992) discharged by the cover dropping component (30) on the barrel body (991), the rotary pick-and-place mechanism (33) comprises a first vacuum sucker (331), a first sucker driving cylinder (3311), a second vacuum sucker (332), a second sucker driving cylinder (3321), a rotating arm (333), a transmission shaft (334) and a rotating cylinder (335), wherein one end of the transmission shaft (334) is connected with the middle part of the rotating arm (333) in an installing manner, the rotating cylinder (335) is connected with the other end corresponding to the transmission shaft (334) in a driving manner, the first sucker driving cylinder (3311) is installed at one end of the rotating arm (333), the second sucker driving cylinder (3321) is installed at the other end corresponding to the rotating arm (333), the first vacuum sucker (331) is arranged on a piston rod of the first sucker driving cylinder (3311), the second vacuum sucker (332) is arranged on a piston rod of the second sucker driving cylinder (3321), the first vacuum chuck (331) and the second vacuum chuck (332) are arranged oppositely, the first vacuum chuck (331) and the second vacuum chuck (332) are arranged below the lower supporting plate (321) correspondingly, and the first vacuum chuck (331) and the second vacuum chuck (332) are arranged above the conveying roller mechanism (1) correspondingly.

2. The apparatus for automatically packaging a paint barrel cover according to claim 1, wherein: the barrel cover positioning device is characterized by further comprising a pressing claw lifting seat (5), a positioning screw rod (6) and a stand column seat (7), wherein the pressing claw lifting seat (5) is sleeved on the stand column seat (7), the positioning screw rod (6) is rotationally connected to the stand column seat (7), the positioning screw rod (6) is in threaded connection with the pressing claw lifting seat (5), and the barrel cover press-mounting mechanism (2) is arranged on the pressing claw lifting seat (5); still include lifting frame (4), frame (8) and worm gear riser (9), lifting frame (4) sliding connection be in on frame (8), install worm gear riser (9) in frame (8), the lower extreme of the output screw rod of worm gear riser (9) with lifting frame (4) are connected, bung feeding mechanism (3) set up on lifting frame (4).

3. The apparatus for automatically packaging a paint barrel cover according to claim 2, wherein: bung feeding mechanism (3) are equipped with support (301) and horizontal pole (302), horizontal pole (302) set up on lifting frame (4), install support (301) on horizontal pole (302), support (301) can slide the positioning on horizontal pole (302), the lid subassembly (30) that falls sets up on support (301).

4. A device for automatically packaging a paint barrel cover according to claim 3, wherein: the barrel cover feeding mechanism (3) is provided with positioning vertical rods (34) used for being distributed and attached to the periphery of the barrel cover stack (9920), and the lower portion of each positioning vertical rod (34) is provided with a positioning seat (341) used for being positioned along the radius direction of the barrel cover stack (9920).

5. The apparatus for automatically packaging a paint barrel cover according to claim 1, wherein: the lower extreme of pop-up piece (311) is formed with tray portion (3111) and is used for the adaptation to lean on baffle portion (3112) of bung heap (9920), the lower extreme of baffle portion (3112) with tray portion (3111) is connected.