CN112894285A - Manufacturing method of tea caddy with easy-to-tear cover - Google Patents
Manufacturing method of tea caddy with easy-to-tear cover Download PDFInfo
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- CN112894285A CN112894285A CN202110194851.4A CN202110194851A CN112894285A CN 112894285 A CN112894285 A CN 112894285A CN 202110194851 A CN202110194851 A CN 202110194851A CN 112894285 A CN112894285 A CN 112894285A
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- cover
- opening
- flanging
- sealing
- seaming
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Abstract
The invention relates to a method for manufacturing an easily-torn-cover tea can, which adopts a double-seaming technology, namely two seaming rollers with different seaming groove shapes are used for successively carrying out seaming and sealing combination on the edges of a can body and a can cover so as to finish the easily-torn cover and the sealing combination of the can bottom and the can body, a cover film made of tin film paper is arranged on the easily-torn cover, the tin film paper cover film on the easily-torn cover can be easily and conveniently opened when taking articles in the can, the cover film is convenient to open, the cover film on the easily-torn cover can be connected with an upper cover body, later recovery is convenient, energy is saved, the environment is protected, the edge of a cover opening is made into a humanized inner-rolling arc, and the articles in the can be prevented from being cut by sharp edges when taking the articles in the can by hand.
Description
Technical Field
The invention relates to a manufacturing method of an easily-torn tea caddy.
Background
China is the hometown of tea, the origin of tea culture and the most tea-producing place in the world. With the increasing requirements of people's life, the state responds to the development of the tea market and also develops relevant standards and regulations, and tea packaging is also a standard according to food grade. The existing tea packaging tin is relatively lagged behind in production process, and is produced by adopting a manual simple punch press, a small workshop and the like, so that the production efficiency is low, and the resource consumption is large. Meanwhile, the pollution to the tank during production, the sealing performance of the tank for packaging the product and the safety performance of the production process cannot be well guaranteed. Therefore, improvements are needed.
Disclosure of Invention
The invention aims to provide a novel manufacturing method of a tea caddy with an easily-torn cover. The purpose of the invention is realized by the following technical scheme: the tea can with the easily torn cover is made of tinplate serving as a base material and comprises an upper cover, a sealing cover of the easily torn cover, a can body, a bottom cover and four parts, wherein the can body is made of cut tinplate, the tinplate is rolled up and then welded into a cylindrical can body through high-frequency resistance welding, the diameter of the can body is 83.7 mm, the cylindrical can body with the height of 80 mm is made of cut flaky tinplate, the cylindrical can body is welded into the cylindrical can body through rolling up and then high-frequency resistance welding, the sealing performance of the can body is guaranteed, the neck part at the upper opening of the can body is 15.5 mm, the neck part is formed by two necking steps, an inner R3 is tangent to an outer R3, the step with the diameter of 79.9 mm formed by necking is transited to the can body, the edge turning-up process and the turning-down process are carried out on the can opening, and the bottom cover and the can body are sealed and combined through a. The height from the can mouth to the can bottom after sealing is 80 mm, the height of the can mouth after sealing is 3 mm, the diameter of the excircle of the sealed can mouth is 79.2 mm, the can body and the easy-to-tear cover are sealed by using a double-rolling sealing technology, the easy-to-tear cover and the can body are combined in a rolling sealing mode, the sealing performance of the can body is ensured, necking technology and flanging technology are required to be carried out on the can mouth to achieve the rolling sealing performance of the can mouth and the easy-to-tear cover so as to enable the easy-to-tear cover to be combined in a double-rolling sealing mode under the size of necking and flanging, a cover film made of tin film paper is arranged on the easy-to-tear cover body, a pull angle is arranged on the cover film, the pull angle is pulled when the articles in the can are taken, the easy-to-tear cover and the can body are sealed and combined by using the double-rolling sealing technology after the tea leaves or other packaged articles are filled, the edge of the cover mouth is made into a humanized inner rolling arc, and the article in, finally, buckling the upper cover and pressing to complete the whole novel easy-to-tear cover sealing type tea caddy product;
the manufacturing method of the tea can opening with the easily-torn cover adopts a can neck necking process which utilizes the characteristic of ductile plasticity of tin plate metal, and the necking process comprises the following steps: the can body is formed by shrinkage of extension plasticity through a necking mechanism by a gap between an outer die and an inner die core for the opening part of the can body, and is formed by necking in the tangent of an inner R and an outer R at the opening part of the can body to reach the designed size, wherein the necking step comprises the following steps: the inner mold core of the necking mechanism is guided into the can body, the can is guided, the outer mold descends, the slope of the opening part of the outer mold and the transitional R3 chamfer smoothly guide the can into the gap between the can body and the inner mold core, the can body is formed in the gap between the inner forming diameter of the outer mold and the inner mold core through extension plasticity, the shrinkage forming reaches the designed size and the diameter is 79.9 millimeters, and finally the can body on the mold core is ejected by the can ejecting block, so that the necking process is completed;
the manufacturing method of the tea can opening with the easily-torn cover adopts the upper and lower flanging procedures as follows: the edge-turning mechanism is used for outward turning of the upper opening part and the lower opening part of the can body, so that the edge of the opening part of the can body is in a horn-mouth shape, the upper easy-to-tear cover and the bottom cover are led into the upper opening part and the lower opening part of the can body, the upper cover, the lower cover and the can body are convenient to be matched through the process mechanism for seaming and sealing, the edge of the periphery of the can opening and the upper cover are mutually curled, hooked and sealed, and the can opening and the lower cover are matched in a sealed seaming mode. The flanging mechanism consists of a guide outward-turning core, a top guide block and a limiting plate, and the flanging process comprises the following steps: the tank body is conveyed to the top block, the top block guides the tank body to move upwards, the tank opening is guided into the flanging core along with the upward movement of the tank body, the taper of the guiding flanging core is connected with the transition position of the R degree to guide the material at the edge of the tank opening to be flanged outwards, the forming is controlled to the designed flanging size through the limiting plate, and finally the tank is flanged along with the upward movement of the flanging core, so that the guiding flanging core is separated from the flanging core, and the flanging process is completed;
the manufacturing method of the tea can opening with the easily torn cover adopts the double-rolling sealing combination process steps of the tea can opening with the easily torn cover and the tea can bottom cover: the easy-to-tear can is conveyed to the position above the can body through the rail, the gate rotating disc at the cover placing position pushes the easy-to-tear can to enable the cover to be separated from the limiting position, the cover falls down by self weight and falls on the can opening, the can body with the easy-to-tear can is conveyed to the position of a seaming mechanism, an inner roller pressure head at the seaming mechanism descends to press and cover the easy-to-tear cover and the can body, an outer seaming roller clamps the cover towards the direction of the inner seaming roller, a rotating disc of a seaming mechanism tray drives the cover and the can to rotate, the inner pressure head presses the cover and the can body, the can body is driven to rotate along with the tray rotating disc, and under the outer seaming roller clamp, a seaming groove of the outer seaming roller enables the cover and the material at the periphery of the outer edge opening of the can to be mutually curled, seamed and sealed, and matched for. The seaming and sealing process is completed, the outer diameter of the can bottom is 85.2 mm, and the height is 3 mm. The bottom cover and the can body are sealed by using a double-seaming technology;
the cut sheet tinplate is rolled and then welded into a cylindrical can body by high-frequency resistance welding, and then the can body is subjected to two necking processes, an upper flanging process and a lower flanging process. Sealing the bottom cover part and the opening of the bottom cover part by using a double-rolling sealing technology to form a small can, filling tea leaves or other packaged articles, sealing and combining by using the double-rolling sealing technology, and finally buckling and pressing an upper cover to complete the novel easily-torn-cover sealed type tea can product.
Compared with the prior tea caddy manually produced in a workshop, the tea caddy with the easy-to-tear cover adopts a double-rolling technology according to the technical requirements and the making method of three-piece caddy with food grade, namely, the two seaming rollers with different seaming groove shapes carry out seaming and sealing combination on the edge of the can body and the can cover roll in sequence, the sealing combination of the easy-to-tear cover and the can body and the can bottom is completed, the sealing performance of the can for packaging products is ensured, the easy-to-tear cover is provided with a cover film made of tin film paper, the tin film paper cover film which is easy to tear and cover can be easily and conveniently opened when the articles in the tank are taken, the cover film on the tin film paper cover film can be connected with the upper cover body, under the condition of not opening all carelessly, can not cause to open the random abandonment after the separation, convenient in the recovery in later stage, energy-concerving and environment-protective, the edge of the flap makes humanized interior book circular arc, has prevented that the hand from being cut by sharp edge when getting jar interior article. The tea can with the easy-to-tear cover adopts high-frequency welding and double-seaming technologies according to the requirements and the making method of a food-grade three-piece can, so that the production efficiency is high, the material utilization rate is high, the pollution to the can body during production is reduced by an automatic production line, the requirements of national food-grade standards are met, the food safety performance is greatly improved, the integral appearance is attractive, and the sealing effect of the packaged product storage is better improved.
Drawings
FIG. 1 is a schematic view of the construction of an easy-to-tear lid tea caddy of the present invention;
FIG. 2 is a front plan view of the construction of the easy tear lid tea caddy of the present invention;
FIG. 3 is a schematic structural view of the upper lid of the easy-to-tear lid tea caddy of the present invention;
fig. 4 is a schematic structural view of the easy-to-tear cover of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be further 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.
The easy-tear-cover tea caddy is made of tinplate serving as a main base material and comprises an upper cover 1, an easy-tear cover 2, a can body 3 and a bottom cover, wherein the can body of the easy-tear-cover tea caddy is made by cutting the tinplate, rolling the tinplate into a circle, welding the circle by using high-frequency resistance welding to form a cylindrical can body with the diameter of 83.7 millimeters, and welding the cylindrical can body with the height of 80 millimeters by using cut sheet tinplate to form a cylindrical can body by using high-frequency resistance welding after rolling the tinplate into the circle, so that the sealing performance of the can body is ensured, and the sealing performance of the can body is ensured. The neck part of the upper opening of the can body is 15.5 mm, the neck part is tangent to the outer R3 from the inner R3 through two necking, the step with the diameter of 79.9 mm formed by the necking is transited to the can body, and the neck part is subjected to an upper flanging process and a lower flanging process of the can opening. The bottom cover and the can body are hermetically combined by using a double-seaming technology to form a small can. The height from the sealed tank opening to the tank bottom is 80 mm, the height of the sealed tank opening after the easy-to-tear cover is 3 mm, and the diameter of the sealed tank opening excircle is 79.2 mm. The tin film paper cover film 2 on the easy-to-tear cover 5 is convenient to open, the cover film 2 on the easy-to-tear cover can be connected with the upper cover, the easy-to-tear cover cannot be discarded after being opened and separated under the condition of not opening the easy-to-tear cover intentionally, later recovery is convenient, energy is saved, environment is protected, and the easy-to-tear cover needs to be subjected to necking process and flanging process on the tank opening to be subjected to the rolling seal close fit under the size of the necking and flanging so as to be convenient to be subjected to the double rolling seal close fit combination under the size of the necking and flanging. After the tea leaves or other packaged articles are filled, the easy-to-tear cover and the can body are sealed and combined by using a double-rolling technology, and finally the upper cover is buckled and compressed to complete the whole novel easy-to-tear cover tea can product.
In the manufacturing method of the tea can opening with the easy-to-tear cover, the necking process of the can neck utilizes the characteristic of ductile plasticity of the tinplate metal, and the characteristic of ductile plasticity of the tinplate metal is as follows: the tinplate metal object can stably change the shape and the size of the tinplate metal object within the parameter range under the action of external force, and the connection between mass points is not damaged. The fiber can be extended into a certain filament under a certain pulling force without easy breakage. Or can be rolled into thin sheets under certain extrusion and rolling force without breaking. The necking process comprises the following steps: the can body is processed by a necking mechanism, the necking mechanism is a known technology, the necking mechanism is composed of an inner mold core, an outer mold and a can pushing block, the gap between the outer mold and the inner mold core is used for the opening part of the can body to form by plastic extending shrinkage, and the inner R and the outer R are tangent and subjected to necking forming at the opening part of the can body to reach the designed size. A necking procedure step: the inner mold core of the necking mechanism is guided into the can body, the can is guided, the outer mold descends, the slope of the opening part of the outer mold and the transitional R3 chamfer smoothly guide the can into the gap between the can body and the inner mold core, the can body is formed in the gap between the inner forming diameter of the outer mold and the inner mold core through extension plasticity, and the diameter of the can body reaches 79.9 mm when the can body is formed in a shrinkage mode, wherein the design size is achieved. And finally, the upward tank body of the mold core is ejected by the tank ejecting block. The necking process is completed.
The manufacturing method of the tea caddy with the easily-torn cover adopts the upper and lower flanging procedures as follows: the forming process is that the upper opening part and the lower opening part of the can body are outwards turned through the flanging mechanism, so that the edge of the opening part of the can body is in a bell mouth shape. The upper easy-to-tear cover and the bottom cover are conveniently guided into the upper opening and the lower opening of the can body, and the upper cover, the lower cover and the can body are conveniently sealed by a process mechanism for rolling, so that the edge of the periphery of the can opening is mutually curled, hooked and sealed with the upper cover and the lower cover to be matched with the sealed rolling, sealing and sealing. The manufacturing method of the tea caddy with the easily-torn cover adopts a flanging mechanism which is a known technology, and the flanging mechanism consists of a guide outward-turning core, a top guide block and a limiting plate. The flanging process comprises the following steps: the jar body is through carrying kicking block department, goes upward behind the positive jar body of kicking block guide, goes upward along with the jar body, and the leading limit core that turns up of jar mouth department leads the material of jar mouth edge to turning up along with the jar body, leads the tapering of the limit core that turns up and is connecting the transition department of R degree, through the size of limiting plate control shaping to the design size of turning up, goes upward along with the core that turns up at last, and the jar that has turned up has been deviate from and is leading the core that turns up, has accomplished the turn-ups process.
The manufacturing method of the tea caddy with the easily torn cover adopts the double-rolling sealing and sealing combined process steps of the caddy mouth easily torn cover and the caddy bottom cover: the easily torn cover is conveyed to the position above the can body through the track, the sluice gate rotating disc at the position of the easily torn cover pushes the easily torn cover to separate the cover from the limiting position, and the cover falls on the can opening by gravity. The can body of taking easy tear lid carries the seam sealing mechanism station department, the gyro wheel pressure head is down in the seam sealing mechanism department, push down and cover easy tear lid and can body, outer seam sealing gyro wheel is toward interior seam sealing gyro wheel direction forceps holder, the rolling disc area lid and the jar of seam sealing mechanism tray rotate, lid and can body are being pressed to interior pressure head, along with the tray rolling disc drives can body rotation, under the seam sealing gyro wheel clamp outside, the seam sealing groove of outer seam sealing gyro wheel is with lid and jar outside border mouth border department material do the seaming driving fit that curls each other, can the confined driving fit packing, the seam sealing driving fit process has been accomplished. The bottom of the can has an outer diameter of 85.2 mm and a height of 3 mm, and the bottom cover and the can body are sealed by using a double seaming technology.
The cut sheet tinplate is rolled and then welded into a cylindrical can body by high-frequency resistance welding, and then the can body is subjected to two necking processes, an upper flanging process and a lower flanging process. The bottom lid portion is sealed at its mouth using a double seam technique to form a canister. After filling with tea leaves or other packaged items, the combination is sealed using a double-seam technique. And finally, buckling the upper cover and pressing to obtain the tea caddy with the easily torn cover.
The foregoing is directed to embodiments of the present invention and similar variations of the foregoing concepts may be made within the scope of the present invention.
Claims (1)
1. A method for manufacturing a tea can with an easily torn cover is characterized in that a tinplate is adopted as a base material of the tea can with the easily torn cover and comprises an upper cover, a sealing cover with the easily torn cover, a can body, a bottom cover and four parts, the can body part is formed by cutting the tinplate, rolling the tinplate, welding the tinplate into a cylinder with the diameter of 83.7 mm by using high-frequency resistance welding, welding the cylinder with the can body with the height of 80 mm into the can body by using cut sheet tinplate, rolling the tin plate into a cylinder, welding the cylinder into the can body by using the high-frequency resistance welding, ensuring the sealing performance of the can body, enabling the sealing performance of the can body to be ensured, enabling the neck part at the upper opening of the can body to be 15.5 mm, enabling the neck part to be tangent to an inner R3 and an outer R3 through two necking steps, enabling the step with the diameter of 79.9 mm formed by the necking to be transited to the can body, then performing an upper flanging process and a lower flanging process on the can opening, enabling the, forming a small can, wherein the height from a sealed can opening to a can bottom is 80 mm, the height of a sealed easy-to-tear cover at the can opening is 3 mm, the diameter of an excircle of the sealed can opening is 79.2 mm, the sealing of a can body and the easy-to-tear cover is realized by using a double-seaming sealing technology, the easy-to-tear cover and the can body are combined in a seaming sealing manner, the sealing property of the can body is ensured, the necking process and the flanging process are required to be carried out on the can opening to achieve the seaming sealing of the can opening and the easy-to-tear cover, so that the easy-to-tear cover is combined in a double-seaming sealing manner under the size of necking and flanging, a cover film made of tin film paper is arranged on the easy-to-tear cover body, a pull angle is arranged on the cover film, the pull angle is pulled when the inner article of the can is taken, the easy-to-tear cover and the can body are combined in a sealing manner by using a double-seaming technology after the pull angle is pulled, and the upper cover is finally fastened and the whole novel easy-to The manufacturing method adopts a can neck necking procedure which utilizes the ductile and plastic property of the tin plate metal, and the necking process comprises the following steps: the can body is formed by shrinkage of extension plasticity through a necking mechanism by a gap between an outer die and an inner die core for the opening part of the can body, and is formed by necking in the tangent of an inner R and an outer R at the opening part of the can body to reach the designed size, wherein the necking step comprises the following steps: the inner mold core of the necking mechanism is guided into the can body, the can is guided, the outer mold descends, the slope of the opening part of the outer mold and the transitional R3 chamfer smoothly guide the can into the gap between the can body and the inner mold core, the can body is formed by contraction of extension plasticity between the inner forming diameter of the outer mold and the gap of the inner mold core, the contraction forming reaches the designed size and is 79.9 mm in diameter, and finally the can body on the mold core is ejected by the can ejecting block, so that the necking process is completed, and the upper and lower flanging processes adopted by the manufacturing method of the easy-tear-cover tea can opening are as follows: the flanging mechanism is composed of a guide flanging core, a top guide guiding block and a limiting plate, wherein the flanging mechanism is used for forming an upper opening part and a lower opening part of the can body in a flanging way, so that the edge of the opening part of the can body is in a horn-mouth shape, the upper easy-to-tear cover and the lower easy-to-tear cover are conveniently led into the upper opening part and the lower opening part of the can body, the upper cover, the lower cover and the can body are conveniently coiled and matched with each other through the process mechanism for sealing, the edge of the circumference of the can opening and the upper cover and the lower cover are mutually coiled and hooked, and the sealing mechanism is in sealed: the tank body is conveyed to the top block, the top block guides the tank body to move upwards, the tank opening is guided into the flanging core along with the upward movement of the tank body, the taper of the guiding flanging core is connected with the transition position of the R degree to guide the material at the edge of the tank opening to be flanged outwards, the forming is controlled to the designed flanging size through the limiting plate, and finally the tank is flanged along with the upward movement of the flanging core, so that the guiding flanging core is separated from the flanging core, and the flanging process is completed;
the manufacturing method of the tea can opening with the easily torn cover adopts the double-rolling sealing combination process steps of the tea can opening with the easily torn cover and the tea can bottom cover: the easily torn cover is conveyed to the position above the can body through the track, the gate rotating disc at the cover placing position pushes the easily torn cover to enable the cover to be separated from the limiting position, the cover falls down by self weight and falls on the can opening, the can body with the easily torn cover is conveyed to the position of a seaming mechanism, an inner roller pressure head at the seaming mechanism descends to press the easily torn cover and the can body, an outer seaming roller clamps the cover in the direction of the inner seaming roller, a rotating disc of a seaming mechanism tray drives the cover and the can to rotate, the inner pressure head presses the cover and the can body, the can body is driven to rotate along with the rotating disc of the tray, a seaming groove of the outer seaming roller clamps the cover and the material at the peripheral ring of the outer edge opening of the can to be mutually curled, the tightly-seamed and seamed materials are sealed, the outer diameter of the can bottom is 85.2 mm, the height of the can body is 3 mm, a double seaming technology is used for sealing the bottom cover and the can body, the method comprises the steps of rolling, welding into a cylindrical can body by using high-frequency resistance welding, performing two necking processes, performing an upper flanging process and a lower flanging process, sealing the opening of a bottom cover part by using a double-rolling technology to form a small can, filling tea leaves or other packaged objects, performing sealing combination by using the double-rolling technology, and finally buckling and pressing an upper cover to form the tea can with the easy-to-tear cover.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110194851.4A CN112894285A (en) | 2021-02-21 | 2021-02-21 | Manufacturing method of tea caddy with easy-to-tear cover |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110194851.4A CN112894285A (en) | 2021-02-21 | 2021-02-21 | Manufacturing method of tea caddy with easy-to-tear cover |
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| CN112894285A true CN112894285A (en) | 2021-06-04 |
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| CN202110194851.4A Pending CN112894285A (en) | 2021-02-21 | 2021-02-21 | Manufacturing method of tea caddy with easy-to-tear cover |
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| CN110040329A (en) * | 2019-05-13 | 2019-07-23 | 福建德通金属容器股份有限公司 | The three-piece can of polygon geometry can body |
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2021
- 2021-02-21 CN CN202110194851.4A patent/CN112894285A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006321508A (en) * | 2005-05-17 | 2006-11-30 | Toyo Seikan Kaisha Ltd | Seamless aluminum square can |
| WO2018121483A1 (en) * | 2016-12-28 | 2018-07-05 | 广州卓诚食品科技有限公司 | Easy-peel laminated food can |
| CN107352118A (en) * | 2017-08-03 | 2017-11-17 | 福建德通金属容器股份有限公司 | Small-sized tealeaves opentop |
| CN107416304A (en) * | 2017-08-03 | 2017-12-01 | 福建德通金属容器股份有限公司 | Small food opentop |
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