CN117566660A - An automatic can capping machine - Google Patents

Abstract

The application relates to an automatic cover sealing machine for pop cans, which is applied to the field of prepackaged food production. The sealing cover feeding mechanism comprises a storage component for storing sealing covers and a feeding component for pushing the sealing covers; the feeding assembly is arranged below the storage assembly, the sealing covers are mutually overlapped on the storage assembly, the storage assembly and the feeding assembly are mutually communicated, and the sealing covers are gradually dropped on the feeding assembly and pushed by the feeding assembly to be arranged above the pop cans; the storage component comprises a bottom plate, a through hole for the sealing cover to fall off is formed in the bottom plate, the feeding component is arranged below the bottom plate and used for receiving the sealing cover falling off from the through hole, a plurality of limiting columns are arranged on the bottom plate and uniformly distributed on the bottom plate along the periphery of the through hole, and the sealing cover is arranged in a space formed by encircling the limiting columns and stacked with each other. The application has the closing cap that adapts to different specifications, reduces the risk that the closing cap unloading blocked to promote production efficiency's effect.

Description

An automatic can capping machine

Technical field

This application relates to the field of prepackaged food production, and in particular to an automatic can capping machine.

Background technique

The automatic can capping machine is one of the commonly used production equipment in the production of cans. It is mainly used for the packaging of cans.

A kind of can capping equipment in the related art includes a capping feeding part and a packaging part. The capping feeding part is responsible for providing caps to the packaging part, while the general capping feeding part can only adapt to capping of the same specification. For feeding, if the caps are switched to other specifications or only the production batch of caps is changed, the feeding will be prone to jamming. Therefore, the feeding part needs to be replaced at any time during the production process to adapt to different conditions. production requirements, and once the loading part needs to be replaced, the normal production process needs to be interrupted for replacement, which affects the sealing efficiency of cans.

Contents of the invention

In order to improve the problem of low can sealing efficiency, this application provides an automatic can capping machine.

This application provides an automatic can capping machine that adopts the following technical solution:

An automatic can capping machine includes a capping feeding mechanism and a capping pressing mechanism. The capping feeding mechanism includes a storage component for storing caps and a feeding component for pushing caps;

The loading component is located below the storage component, the covers are stacked on each other on the storage component, and the storage component and the loading component are connected to each other, and the closures fall on the loading component one by one. is pushed by the loading assembly and placed above the can;

The storage assembly includes a bottom plate, and a perforation for the caps to fall is provided on the bottom plate. The loading assembly is located below the bottom plate and receives the caps that fall from the perforations. The bottom plate is provided with a number of limiting posts. A plurality of the limiting posts are evenly distributed on the bottom plate along the periphery of the through hole, and the covers are placed in the space enclosed by the limiting posts and stacked on each other.

By adopting the above technical solution, the caps are stacked and the loading assembly directly controls the unloading one by one, which reduces the probability of the caps getting stuck at the perforation, so that the caps can fall smoothly one by one and more smoothly. This eliminates the need for frequent shutdowns and improves production efficiency.

Optionally, the loading assembly includes a loading part and a transfer part. The loading part is provided on the end surface of the bottom plate away from the limiting column and placed on one side of the perforation for blocking or opening. The perforation, the transfer part is provided below the bottom plate and is placed on the other side of the perforation between the cover pressing mechanism and the perforation. When the perforation is opened, the cover falls onto the perforation. On the transfer part, the transfer part pushes the cap to the cap pressing mechanism.

By adopting the above technical solution, the feeding part rotates so that the caps can be dropped one by one. After falling, the transfer part rotates so that the caps are transferred to the position of the can, thereby corresponding to the can one-to-one, and the caps are directly closed on the can. Forming a combination of can and lid.

Optionally, the loading part includes a linear drive device and a baffle. The linear drive device is fixed on the end surface of the base plate away from the limiting column and placed on one side of the perforation. The baffle is fixed The perforation is blocked or opened on the drive shaft of the linear drive device and driven by the linear drive device.

By adopting the above technical solution, the linear drive device, such as linear motor, oil cylinder, etc., directly drives the baffle, and the stroke of the linear drive device can be directly controlled by the control device, so it can adapt to different specifications of capping and reduce cap unloading jams. reduce the risk of disruption and improve production efficiency.

Optionally, the loading part includes a rotary cylinder and a limiting plate, the limiting plate is rotatably connected to the base plate, the rotary cylinder is fixed to the base plate, and the limiting plate is connected to the rotary cylinder. The driving shaft of the cylinder is connected, and the rotary cylinder pushes the limiting plate to move back and forth to block or open the perforation.

By adopting the above technical solution, the loading part can also be a rotary cylinder and a limit plate. The rotary cylinder can also be controlled by a control device to control the rotation speed of the rotary cylinder, thereby adapting to different specifications of capping and reducing the risk of capping and unloading jams. , thereby improving production efficiency.

Optionally, the transfer part includes a transfer plate and a transfer motor. The transfer plate is placed below the bottom plate and is parallel to the bottom plate. The transfer plate is driven to rotate by the transfer motor. A number of arc-shaped grooves are provided at the edge of the plate. The arc-shaped grooves are evenly distributed on the transfer plate in a circumferential shape with the center of the transfer plate as the center. When the transfer plate rotates, the arc-shaped grooves are in turn connected with the perforations. Overlapping, when the loading part opens and the perforation is opened, the covers fall off one by one and snap into the arc-shaped groove.

By adopting the above technical solution, the transfer plate rotates synchronously when falling, so that the arc-shaped grooves can pass through the perforations one by one. When the arc-shaped grooves are aligned with the perforations, the cover is capped and falls into the arc-shaped groove and is engaged by the arc-shaped groove, thereby realizing When discharging materials one by one, the rotation speed of the same transfer plate can be controlled by the control device, so that the rotation of the arc-shaped groove can be coordinated with the movements of other parts to achieve smooth discharging of the caps.

Optionally, a retaining edge is provided on the inner wall of the arc-shaped groove, and the cover falls into the arc-shaped groove and is placed on the retaining edge.

By adopting the above technical solution, due to the existence of the blocking edge, it can be adapted to various specifications of capping, and in cooperation with the loading part, it can realize the smooth unloading of caps of different specifications, without the need to frequently replace the loading part, which improves production efficiency. .

Optionally, the capping and pressing mechanism includes an upper tank assembly, a lifting assembly, a pressing assembly, an upper driving disk and a lower driving disk;

The upper driving plate and the lower driving plate are driven to rotate coaxially by a driving motor. The lifting assembly is provided on the upper driving plate. The pressing assembly is provided on the lower driving plate and the pressing assembly Placed above the lifting assembly, the can is placed on the lifting assembly and moves toward or away from the pressing assembly from the lifting assembly.

By adopting the above technical solution, a capping and pressing mechanism is installed between the upper driving disk and the lower driving disk. The capping has fallen on the can. At this time, the lifting effect of the lifting component causes the capping to be fixed at the capping and compressing position. Mechanically, perform crimp sealing.

Optionally, the lifting assembly includes a lifting cylinder and a supporting plate. The lifting cylinder is fixed on the lower driving plate. The supporting plate is rotatably connected to the driving shaft of the lifting cylinder and is driven by the lifting plate. The lifting cylinder drives toward or away from the pressing assembly.

By adopting the above technical solution, the lifting cylinder rises and pushes the cap tightly against the can for capping.

Optionally, the upper tank assembly includes an upper tank channel and a tank dividing turntable. The tank dividing turntable is located between the upper driving disk and the lower driving disk and rotates coaxially with the upper driving disk. The tank dividing turntable is in conjunction with the upper driving disk. The transfer plates fit together, and the tank dividing turntable is placed below the transfer plate. The tank dividing turntable is provided with a number of tank dividing grooves, and a number of the tank dividing grooves are arranged along the tank dividing turntable. The edges are evenly distributed.

By adopting the above technical solution, the can-separating turntable rotates one by one and passes under the arc-shaped groove, so that the cap can naturally fall on the can, forming a can combination with a cap. Finally, it is lifted up to make the cap and can close to each other, which is convenient Carry out can sealing and crimping.

Optionally, the pressing assembly includes a driving part and a edge-holding part, and the pallet moves to drive the can to abut against the edge-holding part;

The edge-pressing part includes a edge-pressing turntable, a first pressure-sealing roller and a second pressure-sealing roller. The can is in contact with the edge-pressing turntable, and the edge-pressing turntable is driven to rotate by a edge-pressing motor fixed on the upper drive plate. The driving part is provided on the upper driving plate to drive the first pressure sealing roller and the second pressure sealing roller to contact the edge of the edge pressing turntable in turn;

The driving part includes a first driving cam, a second driving cam, a first driving roller and a second driving roller. The first driving cam and the second driving cam are coaxially fixed, and the first driving cam and the second driving cam are coaxially fixed. The second driving cam is located above the upper driving plate;

The first driving roller is connected to the first sealing roller, the second driving roller is connected to the second sealing roller, and the first driving roller is connected to the edge of the first driving cam. The second driving roller abuts against the edge of the second driving cam. When the upper driving plate rotates, the first driving roller rotates around the first driving cam. The second driving roller abuts against the edge of the second driving cam. The roller rotates around the second drive cam.

By adopting the above technical solution, the cans rotate on their own during the rotational conveying process, and during the rotation process, the large-diameter edge of the first driving cam contacts the first transmission roller to push the first transmission roller to rotate, causing the first sealing roller to contact At the edge of the can, when the second driving cam is in the small diameter state, the second sealing roller will not contact the edge of the can. With the rotation, the first sealing roller breaks away from contact, and the second sealing roller is in contact with the edge of the can. The cans are pressed and sealed again, thereby achieving double sealing.

To sum up, this application includes at least one of the following beneficial effects:

1. The caps are stacked and unloaded one by one under the direct control of the loading component, which reduces the probability of the caps getting stuck at the perforation, allowing the caps to fall smoothly one by one, more smoothly. This eliminates the need for frequent shutdowns and improves production efficiency;

2. When falling, the transfer plate rotates synchronously, allowing the arc-shaped grooves to pass through the perforations one by one. When the arc-shaped grooves are aligned with the perforations, the caps are capped and fall into the arc-shaped grooves and are engaged by the arc-shaped grooves, thereby realizing unloading of materials one by one. The rotation speed of the same transfer plate can be controlled by the control device, so that the rotation of the arc-shaped groove can be coordinated with the movements of other parts to achieve smooth capping discharge.

Description of the drawings

Figure 1 is a schematic structural diagram of an automatic can capping machine in an embodiment of the present application;

Figure 2 is a schematic structural diagram of the first implementation of the feeding assembly in the embodiment of the present application;

Figure 3 is an enlarged structural schematic diagram of position A in Figure 2;

Figure 4 is a schematic structural diagram of the second implementation of the feeding assembly in the embodiment of the present application;

Figure 5 is an enlarged structural schematic diagram of B in Figure 4;

Figure 6 is a schematic structural diagram of the cap pressing mechanism in the embodiment of the present application;

In the picture: 1. Capping and feeding mechanism; 11. Storage component; 111. Bottom plate; 112. Perforation; 113. Limiting column; 12. Feeding component; 121. Feeding part; 1211. Linear drive device; 1212. Baffle; 1213, rotary cylinder; 1214, limit plate; 122, transfer part; 1221, transfer plate; 1222, transfer motor; 1223, arc groove; 1224, retaining edge; 2, capping and pressing mechanism; 21. Upper tank assembly; 211, upper tank channel; 212, tank dividing turntable; 213, tank dividing groove; 22, jacking component; 221, jacking cylinder; 222, supporting plate; 23, pressing assembly; 231, driving part ; 2311, first driving cam; 2312, second driving cam; 2313, first transmission roller; 2314, second transmission roller; 232, edge pressing part; 2321, edge pressing turntable; 2322, first pressure sealing roller ; 2323. Second sealing roller; 24. Upper driving plate; 25. Lower driving plate.

Detailed ways

The present application will be further described in detail below in conjunction with Figures 1-6.

The embodiment of the present application discloses an automatic can capping machine. Referring to Figure 1, the automatic can capping machine includes a capping feeding mechanism 1 and a capping pressing mechanism 2. The body part of the can is directly transported to the capping pressing mechanism 2 by a conveyor belt, and the capping feeding mechanism 1 is located on one side of the capping and pressing mechanism 2. When the can body part of the can moves toward the capping and pressing mechanism 2, it passes through the capping feeding mechanism 1 to place the cap on the opening of the can, so that when When the can body part of the can enters the cap pressing mechanism 2, its opening is covered with a cap. That is, the combination of the can body and the cap is pressed and sealed by the capping pressing mechanism 2 to realize automatic capping of the can. The automatic can capping machine can also be connected to the automatic filling machine with a conveyor belt to realize the automation of can transportation and sealing, which improves production efficiency and reduces the chance of manual participation, thus reducing the risk of canned food being contaminated. possibility.

Referring to FIGS. 1 and 2 , the cap loading mechanism 1 includes a storage component 11 and a loading component 12 . A plurality of covers are placed on the storage component 11 . The feeding assembly 12 is installed below the storage assembly 11, and the feeding assembly 12 is used to enable the caps to be unloaded one by one. The storage assembly 11 includes a bottom plate 111. The bottom plate 111 is provided with a perforation 112 for the caps to fall. The loading assembly 12 is provided below the bottom plate 111 and receives the caps that fall from the perforations 112. The bottom plate 111 is provided with a number of limits. Column 113, several limiting columns 113 are evenly distributed on the bottom plate 111 along the periphery of the through hole 112, and the covers are placed in the space enclosed by the limiting columns 113 and stacked on each other. When unloading the cap, the cap falls through the perforation 112. When it is not necessary to fall, the cap is blocked by the loading assembly 12. Through the opening and closing of the loading assembly 12, the unloading action of the cap is realized, and the loading assembly 12 The opening and closing can be automatically controlled by a control device, which can be a mature control method such as a single-chip microcomputer chip or an industrial control computer to ensure the stability of automatic control. The loading assembly 12 includes a loading part 121 and a transfer part 122. The loading part 121 is provided on the end surface of the bottom plate 111 away from the limiting column 113 and is placed on one side of the perforation 112 for blocking or opening the perforation 112. The transfer part 122 is provided with Below the bottom plate 111 and on the other side of the perforation 112, it is located between the cap pressing mechanism 2 and the perforation 112. When the perforation 112 is opened, the cap falls on the transfer part 122, and the transfer part 122 moves towards the cap pressing mechanism 2 Push capping. When the feeding part 121 blocks the perforation 112, the cap cannot fall. When the feeding part 121 does not block the perforation 112, the cap can fall to the transfer part 122 for transfer. The control device can control the opening and closing time of the feeding part 121 to adapt to different conditions. The caps of the specifications fall one by one, and after falling, the transfer part 122 rotates, so that the caps are transferred to the position of the can, so that they correspond to the cans one by one, and the caps are directly closed on the cans, thus forming a combination of the can and the caps. .

Referring to FIGS. 2 and 3 , one embodiment of the loading part 121 at least includes a linear drive device 1211 and a baffle 1212 . The linear drive device 1211 is fixed on the end surface of the bottom plate 111 away from the limiting column 113 and is placed in an area of the through hole 112 . On the other side, the baffle 1212 is fixed on the driving shaft of the linear driving device 1211 and is driven by the linear driving device 1211 to block or open the through hole 112 . With reference to Figure 1, the linear drive device 1211 can be a linear motor, an oil cylinder, etc., which can directly drive the baffle 1212 to expand and contract, and the stroke of the linear drive device 1211 can be directly controlled by the control device. The actual control interval of each action of the linear drive device 1211 is determined by By controlling the opening and blocking time of the perforation 112, it can adapt to the falling of caps of different specifications, reduce the risk of jamming during cap unloading, and at the same time reduce the possibility of dropping multiple caps at one time, thereby improving production efficiency.

Referring to Figures 4 and 5, another embodiment of the loading part 121 includes a rotary cylinder 1213 and a limiting plate 1214. The limiting plate 1214 is rotatably connected to the bottom plate 111, and the rotary cylinder 1213 is fixed on the bottom plate 111 and limited. The plate 1214 is connected to the driving shaft of the rotary cylinder 1213, and the rotary cylinder 1213 pushes the limiting plate 1214 to reciprocate to block or open the perforation 112. With reference to Figure 1, the rotary cylinder 1213 is also controlled by the control device, so that the opening and closing time of the limit plate 1214 can be controlled, so that different caps can be dropped to the transfer part 122 one by one, that is, by controlling the limit plate The opening and closing of 1214 each time can adapt to the falling of caps of different specifications, reducing the risk of jamming during cap unloading, and at the same time reducing the possibility of dropping multiple caps at one time, thus improving production efficiency.

Referring to Figures 1 and 6, the transfer part 122 includes a transfer plate 1221 and a transfer motor 1222. The transfer plate 1221 is placed below the bottom plate 111 and is parallel to the bottom plate 111. The transfer plate 1221 is driven to rotate by the transfer motor 1222. The transfer plate 1221 A number of arc-shaped grooves 1223 are provided at the edge of the arc-shaped grooves 1223. The arc-shaped grooves 1223 are evenly distributed on the transfer plate 1221 in a circumferential shape with the center of the circle of the transfer plate 1221 as the center. When the transfer plate 1221 rotates, the arc-shaped groove 1223 coincides with the perforation 112 in sequence. The rotation speed of the transfer plate 1221 can also be controlled by the control device. When the arc-shaped groove 1223 coincides with the perforation 112, the feeding part 121 opens and closes once, so that the material can be loaded. When the portion 121 opens the through hole 112, the covers fall off one by one and snap into the arc-shaped groove 1223. The transfer plate 1221 then rotates. At this time, the can body passes through the arc-shaped groove 1223. The cover in the arc-shaped groove 1223 is closed on the can body to form an assembly. At this time, the assembly is not sealed. The tank drives the capping to continue moving, and enters the capping pressing mechanism 2 to compress the capping and sealing. The inner wall of the arc-shaped groove 1223 may be provided with a blocking edge 1224, and the cover falls into the arc-shaped groove 1223 and is placed on the blocking edge 1224. When the cap sizes are different, it can be adapted to caps of various specifications, and cooperates with the loading part 121 to achieve smooth unloading of caps of different specifications. There is no need to frequently replace the loading part 121, which improves production efficiency.

Referring to FIGS. 1 and 6 , the capping and pressing mechanism 2 includes an upper tank assembly 21 , a lifting assembly 22 , a pressing assembly 23 , an upper driving disk 24 and a lower driving disk 25 . The upper driving plate 24 and the lower driving plate 25 are driven to rotate coaxially by the driving motor. The lifting assembly 22 is located on the upper driving plate 24. The pressing assembly 23 is located on the lower driving plate 25 and the pressing assembly 23 is placed on the lifting assembly. 22 , the can body of the can is placed on the lifting assembly 22 and moves closer or away from the pressing assembly 23 from the lifting assembly 22 .

Referring to Figures 1 and 6, the upper can assembly 21 pushes the cans on the conveyor belt one by one to the lifting assembly 22, and the caps are closed on the cans while the upper can assembly 21 pushes the cans. The upper tank assembly 21 includes an upper tank channel 211 and a tank dividing turntable 212. The upper tank channel 211 is connected to the conveyor belt, or is directly a part of the conveyor belt. The can-dividing turntable 212 is disposed between the upper driving plate 24 and the lower driving plate 25 and rotates coaxially with the upper driving plate 24 . The can-dividing turntable 212 and the transfer plate 1221 fit together, and the can-dividing turntable 212 is placed on the transfer plate 1221 Below, a number of can dividing grooves 213 are provided on the can dividing turntable 212, and the plurality of can dividing grooves 213 are evenly distributed along the edge of the can dividing turntable 212. The rotation speed of the can-dividing turntable 212 is the same as the transfer plate 1221 under the control of the control device, so that the cans in each can-dividing groove 213 can correspond to the caps in an arc-shaped groove 1223. When the arc-shaped groove 1223 meets the corresponding can-dividing groove 213, a part of the can body is engaged in the can-dividing groove 213, and the top of the can body is engaged in the arc-shaped groove 1223. At this time, the arc-shaped groove 1223 The lid inside will be pushed up by the top of the tank body to form a combination of the tank body and the lid. Since the can dividing carousel 212 and the transfer plate are both in the process of rotation and in opposite directions, the can dividing carousel 212 is finally driven by the can dividing carousel 212. , the assembly will be driven by the tank dividing turntable 212 to move toward the lifting assembly 22, and will finally be placed on the lifting assembly 22.

Referring to Figures 1 and 6, the lifting assembly 22 includes a lifting cylinder 221 and a supporting plate 222. The lifting cylinder 221 is fixed on the lower drive plate 25. The supporting plate 222 is rotatably connected to the driving shaft of the lifting cylinder 221 and is lifted by the jacking cylinder 221. The air cylinder 221 drives toward or away from the pressing assembly 23 . The lower drive plate 25 drives the pallet 222 to rotate, so that the pallet 222 passes through the upper tank channel 211 one by one. When the pallet 222 passes through the upper tank channel 211, it is flush with the upper tank channel 211. The rotation of the tank dividing turntable 212 finally directs the assembly directly. Pushed onto the pallet 222, the rotational speeds of the lower drive plate 25 and the upper drive plate 24 are controlled by the controller, so they can cooperate with the can dividing turntable 212 so that each assembly can be placed on a pallet 222. The pallet 222 is driven by the lower drive plate 25 to move away from the tank dividing turntable 212. During the process of moving away, the lifting cylinder 221 rises and pushes the assembly against the pressing assembly 23. The pressing assembly 23 can be used to perform crimping and sealing.

Referring to FIGS. 1 and 6 , the pressing assembly 23 includes a driving part 231 and a edge-holding part 232 . The supporting plate 222 moves upward to drive the can to abut against the edge-holding part 232 . The edge holder 232 includes a edge holder turntable 2321, a first pressure sealing roller 2322 and a second pressure sealing roller 2323. The can is in contact with the edge holder turntable 2321. The edge holder turntable 2321 is driven by a edge holder motor fixed on the upper drive plate 24. Drive rotation. When the supporting plate 222 is lifted up, the cover is pressed against the edge pressing turntable 2321, and the edge pressing motor is fixed on the upper driving plate 24 to drive the edge pressing turntable 2321 to rotate. The driving part 231 is disposed on the upper driving disk 24 to drive the first sealing roller 2322 and the second sealing roller 2323 to contact the edge of the edge holding turntable 2321 in sequence. The driving part 231 includes a first driving cam 2311, a second driving cam 2312, a first driving roller 2313 and a second driving roller 2314. The first driving cam 2311 and the second driving cam 2312 are coaxially fixed and the first driving cam 2311 And the second driving cam 2312 is provided above the upper driving plate 24 . The first transmission roller shaft 2313 is connected to the first sealing roller 2322, the second transmission roller shaft 2314 is connected to the second pressure sealing roller 2323, the first transmission roller shaft 2313 is in contact with the edge of the first driving cam 2311, and the second transmission roller shaft 2314 is connected to the second pressure sealing roller 2323. The roller shaft 2314 is in contact with the edge of the second driving cam 2312. When the upper driving plate 24 rotates, the first driving roller shaft rotates around the first driving cam 2311, and the second driving roller shaft rotates around the second driving cam 2312. The assembly is pressed against the blanking turntable 2321, and the supporting plate 222 is rotatably connected to the lifting cylinder, so the assembly and the supporting plate 222 can rotate driven by the blanking turntable 2321. During the rotation process, the large diameter edge of the first driving cam 2311 contacts the first transmission roller 2313 to push the first transmission roller 2313 to rotate, so that the first sealing roller 2322 contacts the edge of the can, and at this time the second The driving cam 2312 is in a small diameter state, and the second sealing roller 2323 will not contact the edge of the can. As it rotates, the first sealing roller 2322 breaks away from contact, and the second sealing roller 2323 contacts the can to perform sealing again. , thereby achieving two sealings. After two sealings, the supporting plate 222 is lowered to the edge-pressing turntable 2321 and separated. At this time, the sealing cap and the can body have been sealed, thereby realizing the packaging of the can.

This application can be connected to the filling machine through a conveyor belt, etc., so that filling and sealing can be completed in one piece, which improves production efficiency and reduces the chance of manual participation, thereby reducing the possibility of contamination of canned food. During the can sealing process, when the caps are loaded, the caps are stacked and removed one by one under the direct control of the loading assembly 12, which reduces the probability of the caps getting stuck at the perforations 112, so that the caps can be smoothly dropped one by one, more smoothly. This eliminates the need for frequent shutdowns and improves production efficiency.

The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application shall be covered by the scope of protection of the present application. Inside.

Claims (10)

1. The utility model provides an automatic bottle capper of easy open can, includes closing cap feed mechanism (1) and closing cap hold-down mechanism (2), its characterized in that: the sealing cover feeding mechanism (1) comprises a storage component (11) for storing sealing covers and a feeding component (12) for pushing the sealing covers;

the feeding assembly (12) is arranged below the storage assembly (11), the sealing covers are mutually stacked on the storage assembly (11), the storage assembly (11) and the feeding assembly (12) are mutually communicated, and the sealing covers are arranged on the feeding assembly (12) one by one and are pushed by the feeding assembly (12) to be arranged above the pop cans;

the storage assembly (11) comprises a bottom plate (111), a through hole (112) for the sealing cover to fall off is formed in the bottom plate (111), the feeding assembly (12) is arranged below the bottom plate (111) and used for receiving the sealing cover falling off from the through hole (112), a plurality of limit posts (113) are arranged on the bottom plate (111), the limit posts (113) are uniformly distributed on the bottom plate (111) along the periphery of the through hole (112), and the sealing covers are arranged in a space formed by encircling the limit posts (113) and are mutually stacked.

2. An automatic can capping machine according to claim 1 wherein: the feeding assembly (12) comprises a feeding part (121) and a transferring part (122), the feeding part (121) is arranged on the end face of the bottom plate (111) deviating from the limit column (113) and is arranged on one side of the perforation (112) for shielding or opening the perforation (112), the transferring part (122) is arranged below the bottom plate (111) and is arranged on the other side of the perforation (112) and is positioned between the sealing cover pressing mechanism (2) and the perforation (112), when the perforation (112) is opened, the sealing cover is arranged on the transferring part (122), and the transferring part (122) pushes the sealing cover to the sealing cover pressing mechanism (2).

3. An automatic can capping machine according to claim 2 wherein: the feeding part (121) comprises a linear driving device (1211) and a baffle plate (1212), the linear driving device (1211) is fixed on the end face of the bottom plate (111) which is far away from the limit column (113) and is arranged on one side of the through hole (112), and the baffle plate (1212) is fixed on a driving shaft of the linear driving device (1211) and is driven by the linear driving device (1211) to shield or open the through hole (112).

4. An automatic can capping machine according to claim 2 wherein: the feeding part (121) comprises a rotary air cylinder (1213) and a limiting plate (1214), the limiting plate (1214) is rotationally connected to the bottom plate (111), the rotary air cylinder (1213) is fixed to the bottom plate (111) and is connected with a driving shaft of the rotary air cylinder (1213), and the rotary air cylinder (1213) pushes the limiting plate (1214) to reciprocate to block or open the through hole (112).

5. An automatic can capping machine according to claim 2 wherein: transfer portion (122) are including transferring board (1221) and transport motor (1222), transfer board (1221) are arranged in the below of bottom plate (111) just transfer board (1221) with bottom plate (111) are parallel, transfer board (1221) are rotated by transport motor (1222) drive, a plurality of arc grooves (1223) are seted up to the edge of transfer board (1221), arc grooves (1223) are circumference form equipartition with the centre of a circle of transferring board (1221) as the center on transfer board (1221), transfer board (1221) rotate the time arc grooves (1223) in proper order with perforation (112) coincidence, closing cap one-to-one drops and block in arc grooves (1223) when perforation (112) are opened to material loading portion (121).

6. An automatic can capping machine according to claim 5 wherein: the inner wall of the arc-shaped groove (1223) is provided with a blocking edge (1224), and the sealing cover falls into the arc-shaped groove (1223) and is arranged on the blocking edge (1224).

7. An automatic can capping machine according to claim 5 wherein: the sealing cover pressing mechanism (2) comprises an upper tank assembly (21), a jacking assembly (22), a pressing assembly (23), an upper driving disc (24) and a lower driving disc (25);

the upper driving plate (24) and the lower driving plate (25) are driven by a driving motor to coaxially rotate, the jacking component (22) is arranged on the upper driving plate (24), the pressing component (23) is arranged on the lower driving plate (25) and is arranged above the jacking component (22), and the pop cans are arranged on the jacking component (22) and are close to or far away from the pressing component (23) from the jacking component (22).

8. An automatic can capping machine according to claim 7 wherein: the jacking assembly (22) comprises a jacking air cylinder (221) and a supporting plate (222), the jacking air cylinder (221) is fixed on the lower-layer driving disc (25), and the supporting plate (222) is rotationally connected to a driving shaft of the jacking air cylinder (221) and is driven by the jacking air cylinder (221) to be close to or far away from the pressing assembly (23).

9. The automatic can capping machine according to claim 8 wherein: the upper tank assembly (21) comprises an upper tank channel (211) and a tank separating rotary table (212), the tank separating rotary table (212) is arranged between an upper layer driving disc (24) and a lower layer driving disc (25) and rotates coaxially with the upper layer driving disc (24), the tank separating rotary table (212) is mutually attached to a transfer plate (1221), the tank separating rotary table (212) is arranged below the transfer plate (1221), a plurality of tank separating grooves (213) are formed in the tank separating rotary table (212), and the tank separating grooves (213) are uniformly distributed along the edges of the tank separating rotary table (212).

10. An automatic can capping machine according to claim 9 wherein: the pressing assembly (23) comprises a driving part (231) and a blank pressing part (232), and the supporting plate (222) moves upwards to drive the pop can to be abutted on the blank pressing part (232);

the edge pressing part (232) comprises an edge pressing rotary table (2321), a first edge pressing roller (2322) and a second edge pressing roller (2323), the pop cans are abutted on the edge pressing rotary table (2321), the edge pressing rotary table (2321) is driven to rotate by an edge pressing motor fixed on an upper driving disc (24), and the driving part (231) is arranged on the upper driving disc (24) to drive the first edge pressing roller (2322) and the second edge pressing roller (2323) to be abutted with the edge of the edge pressing rotary table (2321) in sequence;

the driving part (231) comprises a first driving cam (2311), a second driving cam (2312), a first transmission roller shaft (2313) and a second transmission roller shaft (2314), the first driving cam (2311) and the second driving cam (2312) are coaxially fixed, and the first driving cam (2311) and the second driving cam (2312) are arranged above the upper driving disc (24);

the first transmission roller (2313) is connected with the first seal pressing roller (2322), the second transmission roller (2314) is connected with the second seal pressing roller (2323), the first transmission roller (2313) is in butt joint with the edge of the first driving cam (2311), the second transmission roller (2314) is in butt joint with the edge of the second driving cam (2312), when the upper driving disc (24) rotates, the first driving roller rotates around the first driving cam (2311), and the second driving roller rotates around the second driving cam (2312).