WO2022057137A1

WO2022057137A1 - Flanging mechanism and can-making production line

Info

Publication number: WO2022057137A1
Application number: PCT/CN2020/139515
Authority: WO
Inventors: 邵娜; 徐民兴; 王伯伦
Original assignee: 苏州华源控股股份有限公司; 苏州华源中鲈包装有限公司
Priority date: 2020-09-18
Filing date: 2020-12-25
Publication date: 2022-03-24
Also published as: CN112091077A

Abstract

The present invention relates to a flanging mechanism, comprising: a flanging frame, an inner flanging mold and an outer flanging mold arranged on the flanging frame, and a power drive system for pushing the inner flanging mold and the outer flanging mold to move. The inner flanging mold and the outer flanging mold are driven by the power drive system to translate in opposing directions or in opposite directions. When the flanging mechanism flanges the wall of a can, the wall of the can is located between the inner flanging mold and the outer flanging mold, the outer flanging mold moves inward to abut the outer wall of the can, and the inner flanging mold moves outward to push the mouth of the can outward. A can-making production line comprises a rotary welding seam positioning mechanism, an expanding mechanism, a printing mechanism, a bottom sealing mechanism, a dust removal mechanism, a necking mechanism, a can sealing mechanism, and the flanging mechanism. The present invention ensures the stability of flanging pressure, ensures the quality of flanging, improves the production speed of cans, increases the quality stability of finally produced cans, and ensures good quality of the produced cans.

Description

A flanging mechanism and can making production line

technical field

The invention relates to the technical field of can making, in particular to a flanging mechanism and a can making production line.

Background technique

At present, many products on the market are packaged in cans, which have the advantages of convenient packaging and good sealing performance.

In the production process of cans, it is necessary to carry out the flanging process first, and then carry out the can sealing process. Flanging the mouth of the can body is an essential process. Unqualified flanging process will directly lead to the failure of normal sealing of the can. However, the existing tank flanging equipment has a complex structure, and generally has defects such as unstable flanging pressure, which affects the flanging quality, and sometimes even causes the product to be scrapped and the production efficiency is low.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a flanging mechanism to improve production quality and speed up production efficiency.

To achieve the above object, the technical scheme adopted in the present invention is:

A flanging mechanism includes a flanging frame, the flanging mechanism further comprises a flanging inner mold, a flanging outer mold, and a flanging inner mold, a flanging outer mold, and a flanging inner mold for pushing the flanging frame. The flanging power drive system for the movement of the edge and outer mold, the flanging inner mold and the flanging outer mold are driven by the flanging power drive system to translate in the opposite or opposite directions. When the wall is flanged, the can wall of the can is located between the flanging inner mold and the flanging outer mold, the flanging outer mold moves inwardly against the outer wall of the can wall of the can, and the flanging inner mold Moving outwards pushes the can opening of the jar outward.

Preferably, the contact surface of the inner flanging mold and the mouth of the can is in the shape of an inwardly concave right angle, which can unify the flanging angle of the can.

Preferably, the flanging inner mold includes a first flanging inner mold and a second flanging inner mold. When the flanging mechanism is flanging the can wall of the can, the first flanging inner mold, the second flanging inner mold The flanging inner mold is translated to the outside at the same time.

Further preferably, the flanging power drive system includes a flanging inner mold power system, and the flanging inner mold power system includes a flanging inner mold power component and a flanging inner mold power rod that can move along its axial direction, so The flanging inner mold power rod is located between the first flanging inner mold and the second flanging inner mold. The inner mold and the second flanging inner mold are inclined on one side of the flanging inclined surface, and the flanging inclined surface is respectively slidably matched with the first flanging inner mold and the second flanging inner mold. The power component of the flanging inner mold Connected with the other end of the flanging inner mold power rod, the flanging inner mold power component drives the first flanging inner mold and the second flanging inner mold by driving the flanging inner mold power rod .

Further preferably, the flanging inner mold power system further comprises an inner mold moving roller, the first flanging inner mold and the second flanging inner mold are respectively provided with the flanging inner mold moving rollers, the The flanging inner mold moving rollers are respectively located between the first flanging inner mold, the second flanging inner mold and the flanging inclined surface. When the flanging inner mold power component drives the flanging inner mold power rod When moving, the inner flanging mold moving roller rolls on the flanging inclined surface.

Further preferably, the flanging frame is provided with a flanging power rod groove, and the flanging inner mold power rod is slidably arranged in the flanging power rod groove, which can reduce the number of flanging inner molds. The shaking of the power rod during work reduces the loss of force.

Preferably, the flanging outer mold includes a first flanging outer mold and a second flanging outer mold. When the flanging mechanism is flanging the can, the first flanging outer mold and the second flanging outer mold The die simultaneously moves inward to close the die to surround and abut the outside of the can wall of the can.

Further preferably, the flanging power drive system further includes a flanging external mold power system, and the flanging external mold power system includes a first flanging external mold power component and a second flanging external mold power component, the first flanging external mold power component. A flanging external mold power component and a second flanging external mold power component are respectively connected with the first flanging external mold and the second flanging external mold.

Preferably, the flanging mechanism further includes a flanging guide block, the flanging guide block is located on the inner side of the flanging outer mold, and a can place is formed between the flanging guide block and the flanging outer mold. In the placement area of the can wall, when the flanging mechanism is flanging the can, the flanging guide block and the flanging outer mold sandwich the can wall of the can.

Further preferably, the flanging guide block is attached to the flanging inner mold, which can make the flanging inner mold move more stably.

Further preferably, the flanging mechanism further includes a flanging sensor, and the flanging sensor is arranged on the flanging power rod groove, when the flanging sensor senses the power of the flanging inner mold. After the rod has lowered the flanging height of one can, the flanging inner mold power component drives the flanging inner mold power rod to return to the initial state.

The purpose of the present invention is to provide a can making production line, which can improve the production quality and speed up the production efficiency.

A can making production line includes a rotary welding seam positioning mechanism, a square expanding mechanism, a printing mechanism, a bottom sealing mechanism, a dust removal mechanism, a necking mechanism, a can sealing mechanism, and the flanging mechanism.

Due to the application of the above-mentioned technical solutions, the present invention has the following advantages compared with the prior art:

The flanging mechanism of the present invention ensures stable flanging pressure, thereby ensuring flanging quality, thereby increasing the production speed of the can, and increasing the quality stability of the final production of the can, ensuring that the quality of the produced can is good; at the same time, The flanging mechanism of the invention also has the advantages of reasonable structure, novel design, high degree of automation, high production efficiency, good safety performance, long service life, simple operation, convenient installation and maintenance, and easy popularization.

Description of drawings

Accompanying drawing 1 is the structural schematic diagram of the production line for making square cans in the present embodiment;

2 is a schematic cross-sectional view of the printing mechanism in this embodiment;

Accompanying drawing 3 is the structural representation of the printing mechanism in this embodiment;

4 is a schematic cross-sectional view of the flanging mechanism in this embodiment;

5 is a schematic top view of the flanging mechanism in this embodiment;

6 is a simple schematic diagram of the cooperation of the flanging inner mold and the flanging outer mold of the flanging mechanism in this embodiment;

FIG. 7 is a schematic structural diagram of the dust removal mechanism in this embodiment.

In the above picture:

1. Rotary welding seam positioning mechanism; 2. Expanding mechanism;

3. Printing mechanism; 30. Printing frame; 31. Printing inner mold template; 310. Printing inner mold moving bearing; 32. Printing inner mold sliding block; 320. Printing inner mold slope; 33. Printing outer mold template; 330, Printing outer mold moving bearing; 34, printing outer mold sliding block; 340, printing outer mold bevel; 350, printing inner mold power rod; 351, printing outer mold power rod; 352, printing connecting plate; 360, printing total support rod; 361, printed total elastic part; 370, printed inner support rod; 371, printed inner elastic part; 372, printed internal fixed part; 380, printed external support rod; 381, printed external elastic part; 382, printed external fixed part; 390 , printing template guide rail; 391, printing inner template bearing; 392, printing outer template bearing;

4, flanging mechanism; 41, flanging frame; 411, flanging guide block; 412, flanging power rod groove; 413, flanging sensor; 4211, first flanging inner mold; 4212, second flanging Inner mold; 4213, right angle; 4221, first flanging outer mold; 4222, second flanging outer mold; 4311, flanging inner mold power part; 4312, flanging inner mold power rod; 43120, flanging bevel; 4313, the moving roller of the flanging inner mold; 4321, the power part of the first flanging outer mold; 4322, the power part of the second flanging outer mold;

5. Back cover mechanism;

6. Dust removal mechanism; 61. Dust removal card holder; 62. Air blowing pipe; 620. Air outlet; 63. Air blowing pump;

7. Turning mechanism; 8. Sealing and shrinking mechanism; 9. Conveyor belt.

detailed description

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation or a specific orientation. construction and operation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first", "second", and "third" are used for descriptive purposes only and should not be construed to indicate or imply relative importance.

In the description of the present invention, it should be noted that the terms "installed", "connected" and "connected" should be understood in a broad sense, unless otherwise expressly specified and limited, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

As shown in Figure 1, a can making production line, taking the square can production line for producing square cans as an example, includes a rotary welding seam positioning station, an expanding station, a printing station, a first flanging station, and a bottom sealing station. Position, dust removal station, turning station, second flanging station, shrinking and sealing station, and the corresponding stations are respectively provided with rotary welding seam positioning mechanism 1, square expanding mechanism 2, printing mechanism 3, Flanging mechanism 4 , bottom sealing mechanism 5 , dust removal mechanism 6 , turning mechanism 7 , flanging mechanism 4 , shrinking and sealing mechanism 8 . The production line also includes a conveying system. The conveying system includes a conveying belt 9 and a conveying drive component that drives the conveying belt 9. The conveying belt 9 will rotate the welding seam positioning station, expanding station, printing station, first flanging station, back cover. The station, the dust removal station, the turning station, the second flanging station, and the shrinking and sealing station are connected in sequence, and the square can is transported by the conveyor belt 9 to each mechanism to complete the process production of the corresponding station.

Each institution is described in detail below.

As shown in FIG. 1, the rotary welding seam positioning mechanism 1 in the production line can adopt the structure disclosed in the patent publication number CN205798734U. In this structure, the rotary welding seam positioning mechanism 1 includes a detection camera, a data processing module, and a rotating assembly. , the data processing module is connected with the detection camera and the rotating component, and a lifting component is arranged under the detection camera to ensure that the shooting range of the detection camera is the inner wall of the square tank and the upper edge of the tank mouth. The data processing module will detect the welding of the square tank photographed by the camera. The seam position is compared with the preset welding seam, and the angle control parameters are obtained through analysis, and then the rotating component is controlled to rotate to the desired position.

As shown in Fig. 1, the expander mechanism 2 in the production line can adopt the structure disclosed in the patent with the publication number CN209697846U. In this structure, the expander mechanism 2 includes an expander unit, an expander lifting mechanism, and an expander lifting mechanism. It is connected with the expander unit and can control the rise and fall of the expander unit, so that the expander unit is at a suitable working height. The expander unit includes the expander die. The stamper expands outward to complete the rising side.

As shown in Figs. 1-3, the printing mechanism 3 in the production line is an implementation in this embodiment, which includes a printing frame 30, a printing inner mold system, a printing outer mold system, The printing power drive system for driving the action of the printing inner mold system and the printing outer mold system, and the printing elastic reset system for automatically restoring the printing mechanism 3 to the initial state.

The printing inner mold system includes a printing inner mold template 31, a printing inner mold transmission assembly connected with the printing power drive system, the printing inner mold transmission assembly is matched with the printing inner mold template 31, and the printing outer mold system includes a printing outer mold template 33, The printing outer mold transmission assembly connected with the printing power drive system, the printing outer mold transmission assembly is matched with the printing outer mold template 33, and the printing inner mold transmission assembly includes a printing inner mold that is connected to the printing power driving system and can move in the up and down direction The mold slider 32, the printing inner mold template 31 cooperates with the printing inner mold slider 32 and can move in the left and right directions, and the printing outer mold transmission assembly includes a printing outer mold slider that is connected to the printing power drive system and can move in the up and down direction. 34. The printing outer mold template 33 cooperates with the printing outer mold sliding block 34 and can move in the left and right directions. When the printing power drive system drives the printing inner mold sliding block 32 and the printing outer mold sliding block 34 to move down, the printing inner mold template 31. The printing outer mold template 33 translates and closes the mold.

In this embodiment, the specific matching structure of the printing inner mold slider 32 and the printing inner mold template 31 is as follows: the printing inner mold slider 32 is located on the inner side of the printing inner mold template 31, and the printing inner mold slider 32 has the The inclined surface 320 of the printing inner mold that is inclined downwardly away from the printing inner mold template 31 is provided. The printing inner mold template 31 is provided with a printing inner mold moving bearing 310. When the printing power drive system drives the printing inner mold slider 32 to move downward, The printing inner mold moving bearing 310 rolls on the printing inner mold inclined surface 320, thereby pushing the printing inner mold template 31 to translate to the outside; the specific matching structure of the printing outer mold slider 34 and the printing outer mold template 33 is: the printing outer mold slider 34 Located on the outer side of the outer mold template, the printing outer mold slider 34 has a printing outer mold inclined surface 340 inclined from top to bottom toward the side away from the printing outer mold template 33, and the printing outer mold template 33 is provided with a printing outer mold moving bearing 330. , when the printing power drive system drives the printing outer mold slider 34 to move downward, the printing outer mold moving bearing 330 rolls on the printing outer mold inclined surface 340, thereby pushing the printing outer mold template 33 to translate inward.

The printing inner mold template 31 is translated to the outside, and the printing outer mold template 33 is translated to the inner side, and the square can located between the printing inner mold template 31 and the printing outer mold template 33 can complete the printing. In order to ensure the stability of the cooperation between the printing inner mold slider 32 and the printing inner mold template 31, and the printing outer mold slider 34 and the printing outer mold template 33, there are multiple sets of upper and lower printing inner mold inclined surfaces 320 and printing outer mold inclined surfaces 340. The inner mold moving bearing 310 and the printing outer mold moving bearing 330 are provided in numbers corresponding to the printing inner mold inclined surface 320 and the printing outer mold inclined surface 340, such as two groups in this embodiment.

The printing power drive system includes a printing inner mold power rod 350, a printing outer mold power rod 351, a printing connecting plate 352, and a printing power source. The printing power source is connected to one end of the printing inner mold power rod 350, and the printing connecting plate 352 connects one end of the printing inner mold power rod 350 and one end of the printing outer mold power rod 351 together, so that they are driven by the printing power source together. action, the other end of the printing inner mold power rod 350 is connected with the printing inner mold transmission assembly, and the other end of the printing outer mold power rod 351 is connected with the printing outer mold transmission assembly.

The printing elastic reset system includes a printing total elastic reset component for automatically resetting the printing power drive system, a printing inner mold elastic reset component for automatically resetting the printing inner mold template 31, and a printing outer mold template 33 for automatically resetting. The elastic reset component of the printing outer mold, the total elastic reset component of the printing is connected between the printing connecting plate 352 and the printing frame 30, the elastic reset component of the printing inner mold is connected between the printing inner mold template 31 and the printing frame 30, and the printing outer mold The elastic reset assembly is connected between the printing outer mold template 33 and the printing frame 30 .

The printing total elastic reset component includes a printing total supporting rod 360 and a printing total elastic member 361. The printing total elastic member 361 is sleeved on the outer side of the printing total supporting rod 360, and one end of the printing total supporting rod 360 passes through the printing connecting plate 352 and the other end. Fixedly connected to the printing frame 30 , one end of the printing total elastic member 361 is connected to the printing connecting plate 352 , and the other end is connected to the printing frame 30 . The elastic reset component of the printing inner mold includes a printing inner support rod 370 and a printing inner elastic piece 371. The printing inner elastic piece 371 is sleeved on the outer side of the printing inner support rod 370, and one end of the printing inner support rod 370 can slide through the printing frame. 30 is fixedly connected with the printing inner mold template 31, and the other end is provided with a printing inner fixing part 372. The elastic reset component of the printing outer mold includes a printing outer supporting rod 380 and a printing outer elastic member 381. The printing outer elastic member 381 is sleeved on the outer side of the printing outer supporting rod 380, and one end of the printing outer supporting rod 380 can slide through the printing frame. 30 is fixedly connected with the printing outer mold template 33, and the other end is provided with a printing outer fixing part 382.

The printing frame 30 is also provided with a printing template guide rail 390. The printing template guide rail 390 is arranged along the direction of the printing inner mold template 31 and the printing outer mold template 33. The printing inner mold template 31 and the printing outer mold template 33 are respectively provided with The printing inner template bearing 391, the printing outer template bearing 392, the printing inner template bearing 391, and the printing outer template bearing 392 move in the printing template guide rail 390, which can help limit the printing inner template 31 and the printing outer template 33 from moving in the horizontal direction , to increase the working stability of the printing mechanism 3.

The printing power source drives the printing inner mold power rod 350 and the printing outer mold power rod 351 to move down together, driving the printing inner mold sliding block 32 and the printing outer mold sliding block 34 to move down, and the matching printing inner mold template 31 The printing inner mold template 33 is translated outward to complete the mold closing, and the tank wall of the other can is printed. After the printing is completed, under the action of the elastic force of the printing elastic reset system, the printing inner mold power rod 350 and the printing outer mold power rod 351 automatically rebounds upward, the printing outer mold template 33 automatically translates outward, the printing inner mold template 31 automatically translates inward, and the printing mechanism 3 returns to the initial position.

As shown in FIGS. 1 , 4 , 5 and 6 , the flanging mechanism 4 in the production line is an implementation in this embodiment, which includes a flanging frame 41 , a flanging frame 41 disposed on the flanging frame 41 . Die, flanging outer die and flanging power drive system for pushing the flanging inner die and flanging outer die to move. Translation, when the flanging mechanism is flanging the can wall of the can, the can wall of the can is located between the flanging inner mold and the flanging outer mold, and the flanging outer mold moves inward against the outer wall of the can wall, flanging The outward movement of the inner mold pushes the mouth of the can outward.

The flanging inner mold includes a first flanging inner mold 4211 and a second flanging inner mold 4212, and the first flanging inner mold 4211 and the second flanging inner mold 4212 are disposed opposite to each other. In the initial state without flanging, the first flanging inner mold 4211 and the second flanging inner mold 4212 are folded inward. The second flanging inner mold 4212 translates to the outside at the same time, and pushes out the can wall at the can mouth of the can for flanging; The contact surface at the junction is in the shape of an inwardly concave right angle 4213, which can unify the angle at which the flange of the can is turned out.

The flanging outer mold includes a first flanging outer mold 4221 and a second flanging outer mold 4222. The molds 4212 are correspondingly arranged in pairs. When the flanging mechanism is flanging the jar, the first outer flanging mold 4221 and the second outer flanging mold 4222 are surrounded and pressed against the outer wall of the jar by moving inward to close the mold. .

The flanging power drive system includes a flanging inner mold power system, and the flanging inner mold power system includes a flanging inner mold power component 4311, a flanging inner mold moving roller 4313, and a flanging inner mold power rod 4312 that can move along its axial direction. . The flanging inner mold power rod 4312 is located between the first flanging inner mold 4211 and the second flanging inner mold 4212. 4211, the flanging bevel 43120 inclined on one side of the second flanging inner mold 4212. The first flanging inner mold 4211 and the second flanging inner mold 4212 are respectively provided with flanging inner mold moving rollers 4313, and the flanging inner mold moving rollers 4313 are respectively located in the first flanging inner mold 4211 and the second flanging inner mold. Between 4212 and the flanging inclined surface 43120, when the flanging internal mold power component 4311 drives the flanging internal mold power rod 4312 to move, the flanging internal mold moving roller 4313 rolls on the flanging inclined surface 43120. The flanging inner mold power part 4311 is connected with the other end of the flanging inner mold power rod 4312, and the flanging inner mold power part 4311 moves up and down by driving the flanging inner mold power rod 4312, and then drives the first flanging inner mold 4211 , The second flanging inner mold 4212 moves left and right.

The flanging power drive system also includes a flanging external mold power system, which includes a first flanging external mold power component 4321 and a second flanging external mold power component 4322, and the first flanging external mold power component 4321 On the outside of the first flanging outer mold 4221 , the second flanging outer mold power component 4322 is outside the second flanging outer mold 4222 . The first flanging outer mold power part 4321 and the second flanging outer mold power part 4322 are respectively connected with the first flanging external mold 4221 and the second flanging external mold 4222, and drive the first flanging external mold 4221 and the second flanging external mold 4221. The flanging outer mold 4222 moves left and right.

The flanging mechanism also includes a flanging guide block 411. The flanging guide block 411 is located on the inner side of the first flanging outer mold 4221 and the second flanging outer mold 4222 and is connected with the first flanging outer mold 4221 and the second flanging outer mold 4221. 4222 are oppositely arranged, the first inner flanging mold 4211 and the second inner flanging mold 4212 are above the flanging guide block 411, and the flanging guide block 411 is connected to the first outer flanging mold 4221 and the second outer flanging mold 4222. When the flanging mechanism is flanging the can, the can wall of the can is sleeved on the flanging guide block 411, the flanging guide block 411 and the first flanging outer mold 4221, The second flanging outer mold 4222 sandwiches the can wall of the can. More preferably, the flanging guide block 411 can fit with the first flanging inner mold 4211 and the second flanging inner mold 4212, and also plays a guiding role in the movement of the flanging inner mold.

The flanging frame 41 is also provided with a flanging power rod slot 412, and the flanging inner mold power rod 4312 is slidably arranged in the flanging power rod groove 412, which can reduce the flanging inner mold power rod 4312 during operation. The shaking caused by the driving of the flanging inner mold power part 4311 reduces the loss of force. The flanging mechanism can also include a flanging sensor 413, and the flanging sensor 413 is arranged on the flanging power rod groove 412. When the flanging sensor 413 senses that the flanging inner mold power rod 4312 has lowered the flanging height of a can Afterwards, the flanging inner mold power component 4311 drives the flanging inner mold power rod 4312 to return to the initial state, and starts to prepare for the next round of flanging.

The working principle of the flanging mechanism in this embodiment is described in detail below:

In the initial state, the first flanging outer mold 4221 and the second flanging outer mold 4222 are opened outward, the first flanging inner mold 4211 and the second flanging inner mold 4212 are folded inward, and the jar is sleeved on the flip. On the side guide block 411, the first inner flanging mold 4211 and the second inner flanging mold 4212 are located in the tank wall of the tank. When the flanging mechanism starts to work, the first flanging outer mold power part 4321 and the second flanging outer mold power part 4322 drive the first flanging outer mold 4221 and the second flanging outer mold 4222 to move inwards, respectively. The outer edge mold 4221 and the second outer edge flanging mold 4222 are surrounded by and abut against the outside of the outer wall of the can, and cooperate with the flanging guide block 411 to clamp the can. Moving down, the flanging bevel 43120 squeezes the flanging inner mold moving roller 4313 to move outward, and the first flanging inner mold 4211 and the second flanging inner mold 4212 move outwards driven by the flanging inner mold moving roller 4313 , push the opening of the can to fold outwards, and form the final flanging under the structure of the right angle 4213 on the first flanging inner mold 4211 and the second flanging inner mold 4212. After the flanging is completed, the first flanging outer mold 4221 and the second flanging outer mold 4222 are opened outward, and the first flanging inner mold 4211 and the second flanging inner mold 4212 are folded inward to return to the initial state, and the The can that has completed the flanging can be removed from the flanging guide block 411 .

As shown in FIG. 1 , the back cover mechanism 5 in the production line can adopt the structure disclosed in the patent of CN208437561U. In this structure, the back cover mechanism 5 includes a pressure head, a main shaft, a rotating disk, a back cover transmission assembly, and a back cover wheel. The main shaft can drive the The rotary disc rotates, and the bottom-sealing drive assembly is connected between the bottom-sealing wheel and the rotary disc, so that the rotary disc drives the bottom-sealing wheel to rotate, the square tank leans against the pressure head, and the bottom-sealing wheel rotates around the pressure head to seal the bottom of the square tank.

As shown in Figures 1 and 7 , the dust removal mechanism 6 in the production line is an implementation in this embodiment, which includes a blowing system, an air extraction system, and a dust removal card holder 61. When the conveyor belt 9 transports the square tank to the dust removal station , the dust removal card holder 61 is pressed down to fix the square tank, the blowing system includes a blowing pipe 62 and a blowing pump 63, and the blowing system includes a blowing pipe 64 and a blowing pump 65. Aim at the tank mouth of the square tank, the air outlet 620 and the air suction port 640 are relatively distributed on both sides of the square tank mouth. When the dust removal mechanism works, the blower pump works, so that the blowing pipe blows air from the tank mouth of the square tank into the square tank, and at the same time The suction pump works, so that the suction pipe draws air from the square tank at the tank mouth of the square tank. The air enters the tank from one side of the tank mouth and leaves the tank from the other side, forming the cycle shown in Figure 7 in the tank. In this embodiment, there are two groups of dust removal mechanisms.

As shown in FIG. 1 , the turning mechanism 7 in the production line can adopt the structure disclosed in the patent of CN209701696U. In this structure, the turning mechanism 7 includes a turning turntable assembly, a turning power motor connected to the turning turntable assembly, and a turning power motor sleeved on the turning turntable assembly. The inversion belt on the inversion turntable assembly, and the positioning seat arranged on the inversion belt for positioning the square tank. The turning belt adopts a belt, and the turning belt includes a first linear conveying section, a second linear conveying section, and an arc-shaped conveying section whose two ends are respectively connected with one end of the first linear conveying section and the second linear conveying section. Equivalent to standing. The positioning seat keeps the square can conveyed on the turning belt fixed, so that the square can can be conveyed with the turning belt. There are a first station, a second station and a third station on the turning belt. The first station is located at the connection of the first straight conveying section and the arc conveying section, and the second station is located at the top of the arc conveying section. , the third station is located at the junction of the arc conveying section and the second straight conveying section. The square can stands upright at the first station, lies down at the second station, and stands upside down at the third station, thus completing the canning.

As shown in FIG. 1 , the shrinking and sealing mechanism 8 in the production line presents an implementation in this embodiment, which includes a shrinking mechanism, a sealing mechanism, and an integrated mechanism for shrinking and sealing. The shrinking and sealing mechanism 8 has In the first working mode and the second working mode, when the shrinking and sealing mechanism 8 is in the first working mode, the shrinking mechanism and the sealing mechanism are in the working state, the integrated mechanism for shrinking and sealing is in the non-working state, and the square cans enter in sequence. The shrinking mechanism, the can sealing mechanism, and the square can respectively complete the shrinking process and the can sealing process; when the shrinking and sealing mechanism 8 is in the second working mode, the shrinking and sealing integrated mechanism is in a working state, and the shrinking mechanism, the can sealing The mechanism is in a non-working state, the square can directly enters the shrinking and sealing integrated mechanism, and the square can directly completes the shrinking process and the sealing process at the same time.

As shown in Figure 1, the production of a square can requires a series of technological processes such as rotary seam positioning, expansion, printing, flanging, bottom sealing, dust removal, turning over, flanging, shrinking and sealing. Each station can work at the same time, and the conveyor belt 9 is used to transport a plurality of square tanks to each station corresponding to the required technological process, which greatly improves the production efficiency.

The above-mentioned embodiments are only intended to illustrate the technical concept and characteristics of the present invention, and the purpose thereof is to enable those who are familiar with the art to understand the content of the present invention and implement them accordingly, and cannot limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be included within the protection scope of the present invention.

Claims

A flanging mechanism, comprising a flanging frame, characterized in that, the flanging mechanism further comprises a flanging inner mold, a flanging outer mold, and a flanging inner mold, a flanging outer mold, and a flange for pushing the flanging frame. The flanging power drive system for the movement of the inner mold and the flanging outer mold. When flanging the can wall of the can, the can wall of the can is located between the flanging inner mold and the flanging outer mold, and the flanging outer mold moves inward against the outer wall of the can wall of the can, the The outward movement of the flanged inner mold pushes the can opening outward.
The flanging mechanism according to claim 1, wherein the contact surface of the inner flanging mold and the mouth of the can is in the shape of an inwardly concave right angle.
The flanging mechanism according to claim 1, wherein the flanging inner mold comprises a first flanging inner mold and a second flanging inner mold, and when the flanging mechanism is flanging the can wall of the can , the first inner flanging mold and the second inner flanging mold are simultaneously translated to the outside.
The flanging mechanism according to claim 3, wherein the flanging power drive system includes a flanging inner mold power system, and the flanging inner mold power system includes a flanging inner mold power component, which can move along its axis The flanging inner mold power rod is moved to the side, the flanging inner mold power rod is located between the first flanging inner mold and the second flanging inner mold, and one end of the flanging inner mold power rod has a power rod from the top. from the bottom to the flanging inclined surfaces that are respectively inclined to the side away from the first flanging inner mold and the second flanging inner mold, and the flanging inclined surfaces are respectively connected with the first flanging inner mold and the second flanging inner mold. sliding fit, the flanging inner mold power part is connected with the other end of the flanging inner mold power rod, and the flanging inner mold power part drives the first flanging inner mold power rod by driving the flanging inner mold power rod Flanging inner mold, second flanging inner mold.
The flanging mechanism according to claim 4, wherein the flanging inner mold power system further comprises a flanging inner mold moving roller, and the first flanging inner mold and the second flanging inner mold are respectively provided with There are the flanging inner mold moving rollers, and the flanging inner mold moving rollers are respectively located between the first flanging inner mold, the second flanging inner mold and the flanging inclined surface. When the mold power component drives the flanging inner mold power rod to move, the flanging inner mold moving roller rolls on the flanging inclined surface.
The flanging mechanism according to claim 4, wherein the flanging frame is provided with a flanging power rod groove, and the flanging inner mold power rod is slidably arranged in the flanging power rod groove Inside.
The flanging mechanism according to claim 6, wherein the flanging mechanism further comprises a flanging sensor, and the flanging sensor is arranged on the flanging power rod groove, and when the flanging senses After the sensor senses that the flanging inner mold power rod has lowered the flanging height of one can, the flanging inner mold power component drives the flanging inner mold power rod to return to the initial state.
The flanging mechanism according to claim 1, wherein the flanging outer mold comprises a first flanging outer mold and a second flanging outer mold, and when the flanging mechanism is flanging the can, the The first flanging outer mold and the second flanging outer mold move to the inside at the same time to close the mold to surround and abut against the outside of the tank wall of the tank.
The flanging mechanism according to claim 8, wherein the flanging power drive system further comprises a flanging external mold power system, and the flanging external mold power system comprises a first flanging external mold power component and a second flanging external mold power component. Two flanging external mold power components, the first flanging external mold power component and the second flanging external mold power component are respectively connected with the first flanging external mold and the second flanging external mold.
The flanging mechanism according to claim 1, wherein the flanging mechanism further comprises a flanging guide block, the flanging guide block is located on the inner side of the flanging outer mold, and the flanging guide block is connected to the flanging guide block. A placement area for placing the can wall of the can is formed between the flanging outer molds. When the flanging mechanism performs flanging on the can, the flanging guide block and the flanging outer mold clamp the can wall of the can. in the middle.
The flanging mechanism according to claim 10, wherein the flanging guide block is fitted with the flanging inner mold.
A flanging mechanism is characterized in that it comprises a flanging frame, and the flanging mechanism further comprises a flanging inner mold and a flanging outer mold arranged on the flanging frame and used for pushing the flanging The flanging power drive system for the movement of the inner mold and the outer mold for flanging. The die is translated in the opposite or opposite directions under the drive of the flanging power drive system,

The flanging inner mold includes a first flanging inner mold and a second flanging inner mold. When the flanging mechanism is flanging the tank wall of the can, the first flanging inner mold and the second flanging inner mold are The molds are translated to the outside at the same time; the flanging power drive system includes a flanging inner mold power system, and the flanging inner mold power system includes a flanging inner mold power component and a flanging inner mold power rod that can move along its axial direction. , the flanging inner mold power rod is located between the first flanging inner mold and the second flanging inner mold, and one end of the flanging inner mold power rod is directed away from the first The flanging inner mold and the second flanging inner mold are inclined flanging inclined surfaces on one side, and the flanging inclined surfaces are respectively slidably matched with the first flanging inner mold and the second flanging inner mold, and the flanging inner mold The power part is connected with the other end of the flanging inner mold power rod, and the flanging inner mold power part drives the first flanging inner mold and the second flanging inner mold by driving the flanging inner mold power rod The inner mold, the power system of the inner flanging mold further includes a moving roller for the inner flanging mold, the first inner flanging mold and the second inner flanging mold are respectively provided with the moving rollers for the inner flanging mold. The flanging inner mold moving rollers are respectively located between the first flanging inner mold, the second flanging inner mold and the flanging inclined surface. When the flanging inner mold power component drives the flanging inner mold power rod When moving, the flanging inner mold moving roller rolls on the flanging inclined surface, the flanging frame is provided with a flanging power rod slot, and the flanging internal mold power rod is slidably arranged on the flanging incline. In the flanging power rod groove, the flanging mechanism further includes a flanging sensor, and the flanging sensor is arranged on the flanging power rod groove. When the flanging sensor senses the inside of the flanging After the mold power rod has lowered the flanging height of a can, the flanging inner mold power component drives the flanging inner mold power rod to return to the initial state;

The flanging external mold includes a first flanging external mold and a second flanging external mold. When the flanging mechanism is flanging the jar, the first flanging external mold and the second flanging external mold are simultaneously directed toward the outer mold. The inner side moves and closes the mold to surround and abut the outer side of the can wall of the can. Two flanging external mold power components, the first flanging external mold power component and the second flanging external mold power component are respectively connected with the first flanging external mold and the second flanging external mold, and the flanging external mold The mechanism also includes a flanging guide block, the flanging guide block is located on the inner side of the flanging outer mold, the flanging guide block is fitted with the flanging inner mold, and the flanging guide block is connected to the flanging inner mold. A placement area for placing the can wall of the can is formed between the outer edge molds. When the flanging mechanism is flanging the can, the flanging guide block and the outer edge flanging mold sandwich the can wall of the can.
A can-making production line, comprising a rotary welding seam positioning mechanism, an expanding mechanism, a printing mechanism, a flanging mechanism, a bottom sealing mechanism, a dust removal mechanism, a necking mechanism, and a can sealing mechanism, characterized in that the flanging mechanism is the right The flanging mechanism according to any one of claims 1-11.
The can-making production line according to claim 13, characterized in that: the production line further comprises a conveying system, the conveying system comprises a conveying belt and a conveying driving component for driving the conveying belt, and the conveying belt transfers the transfer welding The sewing positioning mechanism, the expanding mechanism, the printing mechanism, the flanging mechanism, the back sealing mechanism, the dust removal mechanism, the necking mechanism and the can sealing mechanism are connected in sequence.