CN112978651B

CN112978651B - Bottom sealing device for can processing

Info

Publication number: CN112978651B
Application number: CN202110173121.6A
Authority: CN
Inventors: 李美凤
Original assignee: Henan Xujiafu Food Co ltd
Current assignee: Henan Xujiafu Food Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2022-05-27
Anticipated expiration: 2041-02-08
Also published as: CN112978651A

Abstract

The invention relates to a bottom sealing device, in particular to a bottom sealing device for can processing, which comprises a bottom plate bracket, a driving mechanism, a pushing mechanism, an extruding mechanism, a blanking mechanism and the like; the driving mechanism is installed at the top of the bottom plate support, the pushing mechanism is arranged on one side of the bottom plate support, the extruding mechanism is slidably arranged on the bottom plate support, and the blanking mechanism is arranged on the extruding mechanism. Through the extrusion mechanism, can bottom materials can be automatically installed on the can with the bottom to be installed, and the purpose of sealing the bottom for processing the can is achieved.

Description

Bottom sealing device for can processing

Technical Field

The invention relates to a bottom sealing device, in particular to a bottom sealing device for can processing.

Background

The can be canned beverage, including canned soda water, coffee, fruit juice, frozen milk tea, beer, etc.; can also be canned food, including luncheon meat and the like, which means that raw materials meeting the requirements are processed, blended, canned, sealed, sterilized, cooled and aseptically filled to reach the commercial aseptic requirement, and can be kept for a long time at normal temperature without being damaged.

The canned food can be preserved for a long time without deterioration, the sealing of the can is one of the main reasons, the sealing can prevent the food in the can from being polluted by outside air and microorganisms to deteriorate, so the sealing is an important process in can production, the prior art generally needs workers to seal the can manually, and the process needs more labor, so the labor cost is high.

Disclosure of Invention

In view of the above, it is desirable to provide a bottom sealing device for can processing, which can automatically place and attach a can bottom material to a can head to which a bottom is to be attached, and can automatically push out a can with the bottom attached.

The technical scheme is as follows: the utility model provides a can processing is with bottom sealing device, includes bottom plate support, actuating mechanism, pushing mechanism, extrusion mechanism, blanking mechanism and shaping ejecting mechanism, and actuating mechanism installs in bottom plate support top, and pushing mechanism locates bottom plate support one side, and on the bottom plate support was located to the extrusion mechanism slidingtype, on blanking mechanism located the extrusion mechanism, shaping ejecting mechanism located extrusion mechanism one side.

Preferably, the driving mechanism comprises a double-shaft motor and a power shaft, the double-shaft motor is mounted at the top of the bottom plate bracket, and one end of the power shaft is fixedly connected to one output shaft of the double-shaft motor.

Preferably, the pushing mechanism comprises a first rotating gear, a supporting plate, a connecting plate, supporting blocks, a rotating screw, a second rotating gear, a chain, a movable block and a pushing plate, wherein the first rotating gear is fixedly connected to the other end of the power shaft, the supporting plate is fixedly connected to the top of the bottom plate support, the connecting plate is fixedly connected to the top of the supporting plate, the supporting blocks are symmetrically and fixedly connected to the top of the connecting plate, the rotating screw is rotatably connected to the two supporting blocks, the second rotating gear is fixedly connected to one end of the rotating screw, the first rotating gear is connected with the second rotating gear through the chain, the movable block is connected to the rotating screw in a threaded fit mode, and the pushing plate is fixedly connected to the top of the movable block.

Preferably, the extrusion mechanism comprises a rotating gear, a first fixing rod, a transmission gear, a fixing block, a shell, a connecting rack and a cylinder, the rotating gear is fixedly connected to the other output shaft of the double-shaft motor, the first fixing rod is fixedly connected to the top of the bottom plate support, the transmission gear is rotatably arranged on the first fixing rod, the rotating gear is meshed with the transmission gear, a pair of fixing blocks are slidably arranged on two sides of the bottom plate support respectively, the shell is jointly arranged on the fixing blocks, the shell close to the rotating screw is in sliding fit with the pushing plate, the connecting rack is fixedly connected to the bottoms of the two shells respectively, two sides of the transmission gear are meshed with the two connecting racks respectively, the cylinder is arranged in the two shells respectively, and the pushing plate is located between the shell close to the rotating screw and the cylinder.

Preferably, the blanking mechanism comprises a baffle, a stop block, a second fixing rod, a first reset spring, a fixture block and a pressure spring, the second fixing rod is fixedly connected to the bottom plate support, the second fixing rod is slidably arranged on the second fixing rod, the first reset spring is connected between two sides of the second fixing rod and the straight hole of the baffle, the stop block is fixedly connected to one side of the bottom of the baffle, a blanking groove is formed in the top of the shell close to the baffle, the fixture block is slidably arranged in a groove in the top of the shell close to the baffle, and the pressure spring is connected between the fixture block and the shell close to the baffle.

As the preferred, shaping ejecting mechanism is including the connecting rod, the fixed plate, promote piece and reset spring two, and connecting rod one side rigid coupling is opened the spout respectively on the slurcam, and the spout in two shell one sides is joined in marriage in the slidingtype respectively in fixed plate both sides, and fixed plate and bottom plate support rigid coupling promote the piece slidingtype locate the fixed plate on, promote piece one side and connecting rod contact, the fixed plate with promote to be connected with reset spring two between the piece.

Preferably, the device further comprises a supporting plate and a third return spring, the supporting plate is arranged in the two shells in a sliding mode respectively, the supporting plate is located between the two shells and the bottoms of the two cylinders, and a pair of third return springs is connected between the supporting plate and the shells.

Has the advantages that: through mutually supporting of actuating mechanism and pushing mechanism, can push out the can that has installed the bottom automatically, make its and shell separation, through the layer board, can support the can that needs the installation bottom and install the can of bottom, provide convenience for the staff for the sealed bottom of can.

Through the extrusion mechanism, can bottom materials can be automatically installed on the can with the bottom to be installed, and the purpose of sealing the bottom for processing the can is achieved.

Through blanking mechanism, can bottom material can be placed automatically, need not the staff manually place one by one, through shaping ejecting mechanism, can be automatic release the can of installing the bottom, make it separate with this equipment, saved the staff and manually taken out the can of installing the bottom and manually placed the trouble of can bottom.

Drawings

Fig. 1 is a schematic perspective view of a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a second embodiment of the present invention.

Fig. 3 is a schematic perspective view of a part of the pushing mechanism of the present invention.

Fig. 4 is a schematic perspective view of the driving mechanism of the present invention.

Fig. 5 is a schematic perspective view of the pressing mechanism of the present invention.

Fig. 6 is a partially disassembled perspective structure of the present invention.

Fig. 7 is a partial perspective view of the present invention.

Fig. 8 is an enlarged schematic view of the structure of the present invention a.

Fig. 9 is a schematic diagram of a partially-disassembled three-dimensional structure of the blanking mechanism of the invention.

Fig. 10 is a schematic perspective view of the molding ejection mechanism of the present invention.

Description of reference numerals: 1_ bottom plate bracket, 2_ driving mechanism, 2-1_ double-shaft motor, 2-2_ power shaft, 3_ pushing mechanism, 3-1_ rotating gear I, 3-2_ supporting plate, 3-3_ connecting plate, 3-4_ supporting block, 3-5_ rotating screw, 3-6_ rotating gear II, 3-7_ chain, 3-8_ movable block, 3-9_ pushing plate, 4_ squeezing mechanism, 4-1_ rotating gear, 4-2_ fixed rod I, 4-3_ transmission gear, 4-4_ fixed block, 4-5_ shell, 4-6_ connecting rack, 4-7_ cylinder, 5_ blanking mechanism, 5-1_ baffle, 5-2_ baffle, 5-3_ fixed rod II, 5-4_ reset spring I, 5-5_ chute, 5-6_ fixture block, 5-7_ pressure spring, 6_ forming pushing mechanism, 6-1_ connecting rod, 6-2_ fixing plate, 6-3_ chute, 6-4_ pushing block, 6-5_ return spring II, 7-1_ supporting plate and 7-2_ return spring III.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

A bottom sealing device for can processing is disclosed, as shown in figures 1-10, comprising a bottom plate bracket 1, a driving mechanism 2, a pushing mechanism 3, an extruding mechanism 4, a blanking mechanism 5 and a forming ejecting mechanism 6, wherein the driving mechanism 2 is arranged on the top of the bottom plate bracket 1, the driving mechanism 2 is used for driving the device to operate, the pushing mechanism 3 is arranged on one side of the bottom plate bracket 1, the pushing mechanism 3 is used for ejecting a can with the bottom installed so as to separate the can from a shell 4-5, the extruding mechanism 4 is arranged on the bottom plate bracket 1 in a sliding way, the extruding mechanism 4 is used for installing the bottom material of the can on the can with the bottom to be installed, the blanking mechanism 5 is arranged on the extruding mechanism 4, the blanking mechanism 5 is used for placing the bottom material of the can, the forming ejecting mechanism 6 is arranged on one side of the extruding mechanism 4, the forming ejecting mechanism 6 is used for ejecting the can with the bottom installed, it is separated from the apparatus.

The driving mechanism 2 comprises a double-shaft motor 2-1 and a power shaft 2-2, the double-shaft motor 2-1 is arranged at the top of the bottom plate bracket 1, the double-shaft motor 2-1 is used for driving the equipment to operate, one end of the power shaft 2-2 is fixedly connected to one output shaft of the double-shaft motor 2-1, and the power shaft 2-2 is used for driving the rotating gear I3-1 to rotate.

The pushing mechanism 3 comprises a first rotating gear 3-1, a support plate 3-2, a connecting plate 3-3, a support block 3-4, a rotating screw 3-5, a second rotating gear 3-6, a chain 3-7, a movable block 3-8 and a pushing plate 3-9, wherein the first rotating gear 3-1 is fixedly connected to one end of a power shaft 2-2 far away from the double-shaft motor 2-1, the first rotating gear 3-1 is used for driving the chain 3-7 to rotate, the support plate 3-2 is fixedly connected to the top of a bottom plate bracket 1, the support plate 3-2 is used for supporting the connecting plate 3-3, the connecting plate 3-3 is fixedly connected to the top of the support plate 3-2, the connecting plate 3-3 is used for supporting the support block 3-4, and the support blocks 3-4 are symmetrically and fixedly connected to the top of the connecting plate 3-3, the supporting blocks 3-4 are used for supporting the rotating screws 3-5, the rotating screws 3-5 are rotatably connected to the two supporting blocks 3-4, the rotating gear II 3-6 is fixedly connected to one end of the rotating screw 3-5, the rotating gear II 3-6 is used for driving the rotating screw 3-5 to rotate, the rotating gear I3-1 is connected with the rotating gear II 3-6 through a chain 3-7, the chain 3-7 is used for driving the rotating gear II 3-6 to rotate, the rotating screw 3-5 is connected with the movable block 3-8 in a threaded fit mode, the movable block 3-8 is used for driving the pushing plate 3-9 to move, the pushing plate 3-9 is fixedly connected to the top of the movable block 3-8, and the pushing plate 3-9 is used for pushing out the can with the bottom installed, so that it is separated from the housing 4-5.

The extrusion mechanism 4 comprises a rotary gear 4-1, a fixed rod I4-2, a transmission gear 4-3, a fixed block 4-4, a shell 4-5, a connecting rack 4-6 and a cylinder 4-7, wherein the rotary gear 4-1 is fixedly connected to the other output shaft of the double-shaft motor 2-1, the rotary gear 4-1 is used for driving the transmission gear 4-3 to rotate, the fixed rod I4-2 is fixedly connected to the top of the bottom plate bracket 1, the fixed rod I4-2 is used for supporting the transmission gear 4-3, the transmission gear 4-3 is rotatably arranged on the fixed rod I4-2, the transmission gear 4-3 is used for driving the connecting rack 4-6 to move, the rotary gear 4-1 is meshed with the transmission gear 4-3, a pair of fixed blocks 4-4 are respectively arranged on two sides of the bottom plate bracket 1 in a sliding manner, the same pair of fixed blocks 4-4 are jointly provided with a shell 4-5, the shell 4-5 close to the rotating screw rod 3-5 is matched with a pushing plate 3-9 in a sliding mode, connecting racks 4-6 are fixedly connected to the bottoms of the two shells 4-5 respectively, the connecting racks 4-6 are used for driving the shells 4-5 to move, two sides of a transmission gear 4-3 are meshed with the two connecting racks 4-6 respectively, cylinders 4-7 are arranged in the two shells 4-5 respectively, the bottom material of the can be installed on the can head needing to be installed at the bottom through the mutual matching of the shells 4-5 and the cylinders 4-7, and the pushing plate 3-9 is positioned between the shell 4-5 close to the rotating screw rod 3-5 and the cylinders 4-7.

The blanking mechanism 5 comprises a baffle 5-1, a stop block 5-2, a fixed rod two 5-3, a reset spring I5-4, a clamping block 5-6 and a pressure spring 5-7, wherein the fixed rod two 5-3 is fixedly connected on the bottom plate bracket 1, the baffle 5-1 is slidably arranged on the fixed rod two 5-3, the baffle 5-1 is used for blocking a straight hole at the top of one side of the bottom plate bracket 1 so that the bottom material of the can not fall into the blanking groove 5-5 at will, the reset spring I5-4 is connected between the two sides of the fixed rod two 5-3 and the straight hole of the baffle 5-1, the reset spring I5-4 is used for driving the baffle 5-1 to reset, the stop block 5-2 is fixedly connected on one side of the bottom of the baffle 5-1, and the stop block 5-2 is used for driving the baffle 5-1 to move, the top of the shell 4-5 close to the baffle 5-1 is provided with a charging chute 5-5, the fixture block 5-6 is slidably arranged in a groove at the top of the shell 4-5 close to the baffle 5-1, the fixture block 5-6 is used for clamping the bottom material of the can to prevent the bottom material of the can from inclining, a pressure spring 5-7 is connected between the fixture block 5-6 and the shell 4-5 close to the baffle 5-1, and the pressure spring 5-7 is used for driving the fixture block 5-6 to reset.

The forming push-out mechanism 6 comprises a connecting rod 6-1, a fixing plate 6-2, a push block 6-4 and a return spring II 6-5, one side of the connecting rod 6-1 is fixedly connected to a push plate 3-9, the connecting rod 6-1 is used for pushing the push block 6-4 to move, one side of each of two shells 4-5 is provided with a chute 6-3, two sides of the fixing plate 6-2 are respectively matched with the chutes 6-3 on one side of the two shells 4-5 in a sliding manner, the fixing plate 6-2 is used for supporting the push block 6-4, the fixing plate 6-2 is fixedly connected with a bottom plate bracket 1, the push block 6-4 is arranged on the fixing plate 6-2 in a sliding manner, one side of the push block 6-4 is contacted with the connecting rod 6-1, and the push block 6-4 is used for pushing out the can with the bottom, the device is separated from the device, a second return spring 6-5 is connected between the fixed plate 6-2 and the pushing block 6-4, and the second return spring 6-5 is used for driving the pushing block 6-4 to return.

The bottom material of the can is placed on the top of one side of the bottom plate bracket 1, the top of one side of the bottom plate bracket 1 is inclined, so the bottom material of the can fall from a straight hole on the top of one side of the bottom plate bracket 1, at the moment, the straight hole on the top of one side of the bottom plate bracket 1 can be blocked by the baffle 5-1, so the bottom material of the can not fall into the blanking groove 5-5, the double-shaft motor 2-1 and the device on the double-shaft motor are manually controlled to rotate forwards, the rotating gear 4-1 rotates forwards to drive the transmission gear 4-3 to rotate backwards, the two connecting racks 4-6 and the device on the connecting racks move towards the direction away from each other, when the shell 4-5 moves, the baffle 5-2 can be pushed, the baffle 5-1 can be pushed, the straight hole on the top of one side of the bottom plate bracket 1 can not be blocked by the baffle 5-1, and the reset spring one 5-4 is compressed along with the baffle 5-1, another reset spring I5-4 is stretched along with the stretching of the other reset spring I5-4, then the bottom material of the can falls into the charging chute 5-5 and further falls into the shell 4-5 close to the baffle 5-1, at the moment, the clamping block 5-6 can clamp the bottom material of the can to prevent the bottom material of the can from inclining, meanwhile, the forward rotation of the power shaft 2-2 can drive the forward rotation of the rotating gear I3-1 and the chain 3-7 and further drive the forward rotation of the rotating gear II 3-6 and the rotating screw rod 3-5, at the moment, the movable block 3-8 can drive the pushing plate 3-9 and the connecting rod 6-1 to move towards the direction close to the other shell 4-5, the fixed plate 6-2 can slide along the chute 6-3 at one side of the two shells 4-5, thereby the original position is kept unchanged all the time, when the connecting rod 6-1 moves, the pushing block 6-4 can be pushed to move towards the direction close to the two shells 4-5, the second return spring 6-5 in a compressed state is further compressed, then the double-shaft motor 2-1 and the device on the double-shaft motor are manually controlled to reversely rotate, the reverse rotation of the rotary gear 4-1 can drive the transmission gear 4-3 to normally rotate, further the two connecting racks 4-6 and the device on the connecting racks move and reset towards the mutually approaching direction, the compressed first return spring 5-4 and the stretched first return spring 5-4 are reset along with the rotary gear, the baffle 5-1 and the baffle 5-2 are driven to reset to block the straight hole at the top of one side of the bottom plate bracket 1 again, the material at the bottom of the can is prevented from falling into the blanking groove 5-5, meanwhile, the reverse rotation of the power shaft 2-2 can drive the first rotary gear 3-1 and the chain 3-7 to reversely rotate, further the second rotary gear 3-6 and the rotary screw 3-5 are driven to reversely rotate, at the moment, the movable block 3-8 can drive the pushing plate 3-9 and the connecting rod 6-1 to move and reset in a direction far away from the other shell 4-5, the fixed plate 6-2 can slide and reset along the chute 6-3 on one side of the two shells 4-5 and continuously keep the original positions, the connecting rod 6-1 can not push the pushing block 6-4 any more when moving, the reset spring 6-5 which is further compressed can reset to a compressed state, the reset spring 6-5 can reset to drive the pushing block 6-4 to reset to an initial state, a can needing to be installed at the bottom is placed between the two supporting plates 7-1, the double-shaft motor 2-1 and the device on the double-shaft motor continue to be manually controlled to rotate reversely, the rotating gear 4-1 can continue to rotate reversely and drive the transmission gear 4-3 to rotate forwardly, and then the two connecting racks 4-6 and the device on the connecting racks can continue to move in a direction close to each other until the two connecting racks 4-6 and the device on the connecting racks continue to move until the two connecting racks are two connecting racks One side of the shell 4-5 is contacted with each other, when one side of the two shells 4-5 is contacted with each other, the clamping block 5-6 is extruded to slide upwards when one shell 4-5 moves, the pressure spring 5-7 is compressed accordingly, the clamping block 5-6 does not clamp the bottom material of the can, the bottom material of the can be installed on the can head of which the bottom needs to be installed, in the process, the can of which the bottom needs to be installed is pushed between the shell 4-5 close to the rotating screw 3-5 and the cylinder 4-7 by the bottom material of the can, simultaneously, the power shaft 2-2 can continuously rotate reversely to drive the rotating gear I3-1 and the chain 3-7 to rotate reversely, further drive the rotating gear II 3-6 and the rotating screw 3-5 to continuously rotate reversely, at the moment, the movable block 3-8 can continuously drive the pushing plate 3-9 and the connecting rod 6-1 to move towards the direction far away from the other shell 4-5, the fixed plate 6-2 slides along the sliding groove 6-3 at one side of the two shells 4-5 and keeps the original position unchanged, the connecting rod 6-1 moves to be separated from the pushing block 6-4, the return spring 6-5 in a compressed state further resets to drive the pushing block 6-4 to move, the double-shaft motor 2-1 and the device on the double-shaft motor are manually controlled to rotate forwards again, the rotating gear 4-1 rotates forwards again to drive the transmission gear 4-3 to rotate backwards, the two connecting racks 4-6 and the device on the connecting racks to move towards the direction away from each other again, when one sides of the two shells 4-5 are separated from each other, the compressed pressure spring 5-7 resets and drives the clamping block 5-6 to slide and reset, meanwhile, the power shaft 2-2 rotates forwards again to drive the rotating gear 3-1 and the chain 3-7 to rotate forwards, then the rotating gear II 3-6 and the rotating screw 3-5 are driven to rotate forward again, at the moment, the movable block 3-8 can drive the pushing plate 3-9 and the connecting rod 6-1 to move towards the direction close to the other shell 4-5 again, the bottom-mounted can between the shell 4-5 close to the rotating screw 3-5 and the cylinder 4-7 can be pushed out when the pushing plate 3-9 moves, so that the can is separated from the shell 4-5, the fixed plate 6-2 can slide along the sliding groove 6-3 on one side of the two shells 4-5 again, the original position is kept unchanged, when one shell 4-5 pushes the baffle 5-2 again to push the baffle 5-1, so that the baffle 5-1 can not block the straight hole on the top of one side of the bottom plate bracket 1 any more, and one reset spring I5-4 is compressed again, the other return spring I5-4 is stretched again, when the next can bottom material falls into the charging chute 5-5 again and further falls into the shell 4-5 close to the baffle 5-1, the reset fixture block 5-6 clamps the can bottom material again to prevent the can bottom material from inclining, meanwhile, when the connecting rod 6-1 moves, the pushing block 6-4 is pushed again to move towards the direction close to the two shells 4-5 so as to push out the can with the bottom installed, the can is separated from the device, the return spring II 6-5 is compressed again, the double-shaft motor 2-1 and the device on the same are manually controlled to rotate reversely again, when all the equipment is reset to the initial position again, the can with the bottom to be mounted is placed between the two support plates 7-1 again, so that the equipment continues to mount the material of the bottom of the can on the can head with the bottom to be mounted.

Example 2

On the basis of the embodiment 1, as shown in fig. 6, the tin can storage device further comprises a supporting plate 7-1 and a return spring three 7-2, wherein the supporting plate 7-1 is respectively and slidably arranged in the two shells 4-5, the supporting plate 7-1 supports a can to be provided with a bottom and a can provided with the bottom, the supporting plate 7-1 is located between the two shells 4-5 and the bottoms of the two cylinders 4-7, a pair of return springs three 7-2 is connected between the supporting plate 7-1 and the shells 4-5, and the return springs three 7-2 are used for driving the supporting plate 7-1 to return.

When the two shells 4-5 approach each other, the supporting plate 7-1 moves in the direction of separating from each other along with the mutual approaching and mutual squeezing of the two shells 4-5, the return spring three 7-2 is compressed accordingly, when the two shells 4-5 separate from each other, the compressed return spring three 7-2 is reset accordingly and drives the two supporting plates 7-1 to reset, and the supporting plate 7-1 is used for supporting the cans with bottoms to be installed and the cans with bottoms to be installed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bottom sealing device for can processing is characterized by comprising a bottom plate support (1), a driving mechanism (2), a pushing mechanism (3), an extruding mechanism (4), a blanking mechanism (5) and a forming pushing-out mechanism (6), wherein the driving mechanism (2) is installed at the top of the bottom plate support (1), the pushing mechanism (3) is arranged on one side of the bottom plate support (1), the extruding mechanism (4) is arranged on the bottom plate support (1) in a sliding mode, the blanking mechanism (5) is arranged on the extruding mechanism (4), and the forming pushing-out mechanism (6) is arranged on one side of the extruding mechanism (4);

the driving mechanism (2) comprises a double-shaft motor (2-1) and a power shaft (2-2), the double-shaft motor (2-1) is arranged at the top of the bottom plate bracket (1), and one end of the power shaft (2-2) is fixedly connected to one output shaft of the double-shaft motor (2-1);

the pushing mechanism (3) comprises a first rotating gear (3-1), support plates (3-2), a connecting plate (3-3), support blocks (3-4), a rotating screw (3-5), a second rotating gear (3-6), a chain (3-7), movable blocks (3-8) and a pushing plate (3-9), the first rotating gear (3-1) is fixedly connected to the other end of the power shaft (2-2), the support plates (3-2) are fixedly connected to the top of the bottom plate support (1), the connecting plate (3-3) is fixedly connected to the top of the support plates (3-2), the support blocks (3-4) are symmetrically and fixedly connected to the top of the connecting plate (3-3), the rotating screw (3-5) is rotatably connected to the two support blocks (3-4), the second rotating gear (3-6) is fixedly connected to one end of the rotating screw (3-5), the first rotating gear (3-1) is connected with the second rotating gear (3-6) through a chain (3-7), the rotating screw (3-5) is connected with a movable block (3-8) in a thread fit mode, and a pushing plate (3-9) is fixedly connected to the top of the movable block (3-8);

the extrusion mechanism (4) comprises a rotary gear (4-1), a first fixed rod (4-2), a transmission gear (4-3), a fixed block (4-4), a shell (4-5), a connecting rack (4-6) and a cylinder (4-7), the rotary gear (4-1) is fixedly connected to the other output shaft of the double-shaft motor (2-1), the first fixed rod (4-2) is fixedly connected to the top of the bottom plate support (1), the transmission gear (4-3) is rotatably arranged on the first fixed rod (4-2), the rotary gear (4-1) is meshed with the transmission gear (4-3), a pair of fixed blocks (4-4) are respectively arranged on two sides of the bottom plate support (1) in a sliding manner, the shell (4-5) is jointly arranged on the same pair of fixed blocks (4-4), and the shell (4-5) close to the rotary screw (3-5) and a pushing plate (3-9) ) The connecting racks (4-6) are fixedly connected to the bottoms of the two shells (4-5) respectively in a sliding fit mode, the two sides of the transmission gear (4-3) are meshed with the two connecting racks (4-6) respectively, the cylinders (4-7) are arranged in the two shells (4-5) respectively, and the pushing plate (3-9) is located between the shells (4-5) close to the rotating screw (3-5) and the cylinders (4-7).

2. The bottom sealing device for can processing according to claim 1, wherein the blanking mechanism (5) comprises a baffle (5-1), a stop (5-2), a second fixing rod (5-3), a first return spring (5-4), a clamping block (5-6) and a pressure spring (5-7), the second fixing rod (5-3) is fixedly connected to the bottom plate bracket (1), the baffle (5-1) is slidably arranged on the second fixing rod (5-3), the first return spring (5-4) is connected between two sides of the second fixing rod (5-3) and a straight hole of the baffle (5-1), the stop (5-2) is fixedly connected to one side of the bottom of the baffle (5-1), a blanking groove (5-5) is formed in the top of the shell (4-5) close to the baffle (5-1), the clamping block (5-6) is slidably arranged in a groove at the top of the shell (4-5) close to the baffle (5-1), and a pressure spring (5-7) is connected between the clamping block (5-6) and the shell (4-5) close to the baffle (5-1).

3. The bottom sealing device for can processing according to claim 2, wherein the forming ejecting mechanism (6) comprises a connecting rod (6-1), a fixing plate (6-2), a pushing block (6-4) and a return spring II (6-5), one side of the connecting rod (6-1) is fixedly connected to a pushing plate (3-9), one side of each of two housings (4-5) is provided with a sliding groove (6-3), two sides of the fixing plate (6-2) are respectively matched with the sliding grooves (6-3) on one side of the two housings (4-5) in a sliding manner, the fixing plate (6-2) is fixedly connected with the bottom plate bracket (1), the pushing block (6-4) is arranged on the fixing plate (6-2) in a sliding manner, one side of the pushing block (6-4) is contacted with the connecting rod (6-1), a second return spring (6-5) is connected between the fixing plate (6-2) and the pushing block (6-4).

4. The bottom sealing device for can processing according to claim 3, further comprising a support plate (7-1) and a third return spring (7-2), wherein the support plate (7-1) is slidably disposed in the two housings (4-5), the support plate (7-1) is disposed between the two housings (4-5) and the bottoms of the two cylinders (4-7), and a pair of the third return springs (7-2) is connected between the support plate (7-1) and the housings (4-5).