CN114571642A - Forming die and forming process of bottle cap - Google Patents
Forming die and forming process of bottle cap Download PDFInfo
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- CN114571642A CN114571642A CN202210123820.4A CN202210123820A CN114571642A CN 114571642 A CN114571642 A CN 114571642A CN 202210123820 A CN202210123820 A CN 202210123820A CN 114571642 A CN114571642 A CN 114571642A
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- sliding block
- die
- groove
- supporting plate
- lower die
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008569 process Effects 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 51
- 230000000670 limiting effect Effects 0.000 claims description 26
- 238000009434 installation Methods 0.000 claims description 13
- 229920003023 plastic Polymers 0.000 claims description 6
- 239000004033 plastic Substances 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 abstract description 9
- 230000007306 turnover Effects 0.000 description 15
- 238000004519 manufacturing process Methods 0.000 description 11
- 230000006872 improvement Effects 0.000 description 8
- 238000007493 shaping process Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000008398 formation water Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/02—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor for making articles of definite length, i.e. discrete articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/26—Moulds or cores
- B29C39/30—Moulds or cores with means for cutting the article
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C39/00—Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor
- B29C39/22—Component parts, details or accessories; Auxiliary operations
- B29C39/36—Removing moulded articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
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- Moulds For Moulding Plastics Or The Like (AREA)
- Closures For Containers (AREA)
Abstract
The invention discloses a forming die of a bottle cap, which comprises a lower supporting plate, wherein the top surface of the lower supporting plate is provided with a first lower die, and a first material pushing piece capable of moving up and down relative to the first lower die is arranged on the first lower die; the molding assembly comprises a first sliding block and a second sliding block which are arranged on the lower supporting plate in a sliding mode, a first groove is formed in the side face, close to the second sliding block, of the first sliding block, a second groove opposite to the first groove is formed in the second sliding block, a turning bump is arranged on the side wall, opposite to the second sliding block, of the first groove, the turning bump extends towards the direction, close to the second sliding block, the turning bump abuts against the outer peripheral wall of the first lower die, two through grooves are formed in the turning bump at intervals in the horizontal direction, and the first sliding block and the second sliding block can be close to or far away from each other; the bottom surface of the upper supporting plate is provided with a first upper die, the upper supporting plate and the lower supporting plate can be mutually far away from each other in the vertical direction, the bottle cap can be covered and formed, the occupied die space in the forming process is reduced, and the forming cost is reduced.
Description
Technical Field
The invention relates to the field of forming dies for bottle caps, in particular to a forming die for a bottle cap and a forming process thereof.
Background
Some bottle lids on the market have lid seat and flip, the lid seat sets up on the bottleneck, flip pivoted one side is rotated and is connected on the lid seat, make flip can cover the open-top that closes or open the lid seat, the lid that realizes the bottleneck closes, the shaping process at this kind of bottle lid is integrated into one piece mostly, and be connected with the connecting bridge between lid seat and the flip, in order to reserve the upset volume of connecting bridge both sides, often need open flip and lid seat and come the shaping, therefore, need reserve the lid seat cavity of connecting gradually along the horizontal direction on the forming die, connecting bridge cavity and flip cavity, the big cost of manufacture of area occupied is high.
Disclosure of Invention
The present invention is directed to a forming mold for a bottle cap, which solves one or more of the problems of the prior art and provides at least one of the advantages of the present invention.
The solution of the invention for solving the technical problem is as follows:
a mold for forming a bottle cap, comprising: the top surface of the lower supporting plate is provided with a first lower die, and the first lower die is provided with a first material pushing piece capable of moving up and down relative to the first lower die; the molding assembly comprises a first sliding block and a second sliding block which are arranged on the lower supporting plate in a sliding mode, a first groove is formed in the side face, close to the second sliding block, of the first sliding block, the second sliding block is provided with a second groove which is opposite to the first groove, the first sliding block and the second sliding block are mutually attached, the first groove and the second groove are communicated with each other and surround the first lower die, the side wall of the first groove opposite to the second sliding block is provided with an overturning lug, the overturning lug integrally extends towards the direction close to the second slide block, the overturning lug is abutted against the peripheral wall of the first lower die, two through grooves are arranged on the overturning lug at intervals along the horizontal direction, the through grooves extend along the vertical direction, the first sliding block and the second sliding block can slide and enable the side surfaces of the first sliding block and the second sliding block which are attached to each other to be separated from each other; the bottom surface of the upper supporting plate is provided with a first upper die, the outer side wall of the first lower die is provided with a first groove, a forming cavity is formed between the first groove and the second groove, the first upper die covers the top of the forming cavity, a flow port is formed in the first upper die and is communicated with the forming cavity, and the upper supporting plate and the lower supporting plate can be separated from each other along the vertical direction.
The technical scheme at least has the following beneficial effects: a closed molding cavity is enclosed between the first lower die, the first sliding block, the second sliding block, the first material pushing piece and the first upper die, a turnover lug which is abutted against the outer side wall of the first lower die is arranged on a first groove of the first sliding block, meanwhile, two through grooves which extend up and down are arranged on the turnover lug at intervals along the horizontal direction, a gap is arranged between each through groove and the first lower die, after molten plastic is poured into the molding cavity through a flow port to form a bottle cap, a hollowed turnover space is formed at the turnover lug, the part above the turnover space is a turnover cover, the part below the turnover space is a cover body seat, two connecting bridges which are arranged at intervals are formed at the through grooves, one end of each connecting bridge is connected with the turnover cover body, the other end of each connecting bridge is connected with the cover body seat, a fitting line connected between the two connecting bridges is used as a turnover line, one side of the turnover cover body can rotate around the turnover line and open one side of the cover body seat, and the connecting bridges are bent simultaneously, the opposite side of flip is close to each other with the opposite side of lid body seat for flip can be towards the upset space compression, has reduced the power of dragging to connecting the bridge, and the structure is ingenious, need not establish the flip cavity in addition, reduces the shared mould space of forming process, reduces the shaping cost.
As a further improvement of the above technical solution, the molding assembly further includes two oblique guide posts, top ends of the oblique guide posts are disposed on the upper supporting plate, the two oblique guide posts are disposed at intervals along a sliding direction of the first slider, bottom ends of the two oblique guide posts extend in a direction away from each other, and the first slider and the second slider are respectively sleeved on the two oblique guide posts one to one. First slider and the equal sliding connection of second slider are on the bottom plate, and first slider and second slider overlap respectively on the oblique guide pillar of two bottom relative removals, when the mounting plate shifts up for the bottom plate, two oblique guide pillars shift up along with it and drive first slider and second slider and move towards the direction of keeping away from each other, relative vertical opening and shutting motion through mounting plate and bottom plate turns into keeping away from or being close to the motion between first slider and the second slider, realize the horizontal die sinking of bottle lid, the structure is reliable, and convenience and fastness are high.
As a further improvement of the above technical solution, the first slider is provided with an installation channel matched with the inclined guide post, the inclined guide post is sleeved with a first spring, the upper end of the first spring is connected to the upper support plate, the lower end of the first spring is connected to the installation channel, and the first spring is always in a compressed state. The oblique guide pillar can reciprocate and slide along the installation passageway for first slider slides along the bottom plate, and the upper end of the first spring of compression sets up on the top plate, and the lower extreme is then connected in the installation passageway, makes first spring compress tightly first slider on the bottom plate at all times, reduces rocking of first slider, improves the installation stability of first spring simultaneously, and then improves the mobility stability of first slider, increases bottle lid drawing of patterns precision.
As a further improvement of the above technical solution, the upper supporting plate is further provided with a guide block, and one end surface of the guide block abuts against the first slide block and the second slide block respectively; a first guide groove is formed in the position, corresponding to the first sliding block, of the guide block, the first sliding block extends into the first guide groove, and the extending direction of the first guide groove is parallel to the inclined guide column matched with the first sliding block; and a second guide groove is formed in the position, which is abutted against the second sliding block, of the guide block, the second sliding block extends into the second guide groove, and the extending direction of the second guide groove is parallel to the inclined guide post matched with the second sliding block. Guide block and oblique guide pillar synchronous motion, when first slider made the mounting plate to remove moreover, two oblique guide pillars slide along first slider and second slider respectively, and first slider relatively slides along first guide way, and the second slider relatively slides along the second guide way, improve the motion stability of first slider and second slider, reduce the shear stress to oblique guide pillar, improve whole support intensity.
As another improvement of the above technical solution, the invention further includes a second pushing member, a limiting convex ring is provided on an outer peripheral wall of the first lower die, the limiting convex ring is located at a lower side of the turning convex block, a second upper die is provided on a top surface of the upper plate, a second lower die is further provided on a top surface of the lower plate, a flow guide cavity is enclosed between the second upper die and the second lower die, a gate is provided on the second upper die, the gate is communicated with the flow guide cavity, the second pushing member includes a second pushing ring, the second pushing ring covers a bottom side of an outer periphery of the flow guide cavity, an annular groove communicated with the flow guide cavity is provided on a top surface of the second pushing ring, an inner diameter of the annular groove is the same as an outer diameter of the limiting convex ring, and the second pushing member can slide up and down relative to the second lower die. The second upper die, the second lower die and the second material pushing piece are enclosed to form a closed flow guide cavity, molten plastic is injected into the pouring gate to form a bottle mouth, the position of the peripheral bottom of the bottle mouth corresponding to the annular groove protrudes to form a first clamping ring, the position of the inner peripheral wall of the formed bottle cap corresponding to the limiting convex ring is recessed to form a limiting groove, the outer diameter of the first clamping ring is matched with the inner diameter of the limiting groove, when the upper supporting plate moves upwards, the first upper die and the second upper die simultaneously move upwards to respectively open the formed cavity and the flow guide cavity, then the first material pushing piece moves upwards relative to the first lower die to push the bottle cap, the second material pushing piece moves upwards relative to the second lower die to push the bottle mouth, the bottle mouth can be clamped on the limiting groove of the bottle cap through the first clamping ring, the installation is convenient, the bottle cap and the bottle mouth are simultaneously formed in a matched mode, the forming efficiency is improved, and the machining error is reduced.
As a further improvement of the above technical solution, the invention further includes a notching assembly having a cutting end, the top surface of the second lower die is provided with a jacking channel, the notching assembly is located in the jacking channel, the cutting end is flush with the top surface of the second lower die, and the notching assembly can drive the cutting end to pass through the jacking channel upwards or retract to an opening at the top of the jacking channel downwards. Bottle neck cover after the shaping is on the second lower mould, the space formation water conservancy diversion passageway that the second lower mould was reserved for the bottle neck, the second lower mould, position formation between mould forms the valve block that covers on the water conservancy diversion passageway on cutting end and the second, the drive of incision subassembly cuts the end and upwards wears out behind the jacking passageway, and make the cutting end return down with the position that second lower mould top surface flushed each other, guarantee that the valve block can form, and make fashioned valve block terminal surface open, the valve block realizes that rivers pour out, and the restriction is put to the side, need not to establish in addition the notch equipment and process, the production efficiency is improved.
As a further improvement of the above technical scheme, the incision subassembly includes cutter and second spring, the cutting end is located the top of cutter, the second spring is followed jacking passageway extending direction sets up, the one end of second spring is connected the jacking passageway, the other end of second spring is connected the cutter, the second spring does all the time the cutter provides decurrent restoring force. The cutter has the trend that compresses tightly downwards all the time, guarantees the cutter jack-up in-process that makes progress, cuts the cutting stability of end to after the cancellation is to the ascending drive power of cutter, the cutter can realize from restoring to the throne, makes things convenient for the mould shaping next time, and convenient and fast improves the shaping precision.
As a further improvement of the above technical scheme, the inside wall of the jacking channel is provided with a limiting shoulder and a positioning block, the cutting end penetrates out of the jacking channel, the cutter abuts against the bottom surface of the limiting shoulder, the side wall of the jacking channel is provided with the positioning block, the side wall of the cutter is provided with a positioning groove, and the cutting end covers the top opening of the jacking channel and extends into the positioning groove. The cutter can offset in the bottom surface of spacing shoulder during rebound, and the restriction is cut the length that the end wore out the jacking passageway, improves the cutting precision to the valve block, and after cutting the end and returning the jacking passageway, the locating piece of jacking passageway stretched into the constant head tank on the cutter in addition, guarantees that the top surface of cutting the end flushes with the top surface of second lower mould, improves the shaping precision of bottle neck.
The invention also provides a use method of the material increasing and decreasing composite manufacturing equipment, which is applied to the material increasing and decreasing composite manufacturing equipment and comprises the following steps: the upper supporting plate and the lower supporting plate are close to each other, the first sliding block and the second sliding block are matched with each other, so that a closed forming cavity is defined among the first upper die, the first sliding block, the second sliding block, the first lower die and the first material pushing piece, and the second upper die and the second push ring are matched with each other, so that a closed flow guide cavity is defined among the second upper die, the second material pushing piece and the second lower die; step two, respectively injecting molten plastics into the molding cavity and the flow guide cavity through the flow port and the pouring gate to respectively form a bottle cap and a bottle mouth; step three, the upper supporting plate and the lower supporting plate are far away from each other, the first upper die moves upwards, the first sliding block and the second sliding block slide along the first lower die and are far away from each other, and the second upper die moves upwards simultaneously; and fourthly, the first pushing piece moves upwards relative to the first lower die, so that the bottle cap is separated from the first lower die, and meanwhile, the second pushing piece moves upwards relative to the second lower die, so that the bottle mouth is separated from the second lower die upwards.
The technical scheme at least has the following beneficial effects: the bottle mouth and the bottle cap are molded simultaneously, the molded bottle mouth and the molded bottle cap can be mutually matched, the turnover cover part on the molded bottle cap is covered on the cap body seat, the molding space is reduced,
as a further improvement of the above technical solution, after the bottle mouth is formed, the cutting assembly drives the cutting end to penetrate upward out of the jacking channel, and makes the cutting end retract downward to the top opening of the jacking channel. The formed bottle mouth is provided with a valve port, so that notch equipment is not needed to be additionally arranged to process the bottle mouth, and the production efficiency of products is improved.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.
Fig. 1 is a structural view of a forming mold of a bottle cap according to an embodiment of the present invention;
FIG. 2 is a block diagram of a first slider provided in accordance with an embodiment of the present invention;
fig. 3 is a partial structural view of a forming mold of a bottle cap according to an embodiment of the present invention, including a first spring in a forming assembly;
fig. 4 is a partial structural view of a forming mold of a bottle cap according to an embodiment of the present invention, which includes a guide block, a first slider, and a second slider;
fig. 5 is a partial structural view of a forming mold for a bottle cap according to an embodiment of the present invention, including a forming cavity for forming the bottle cap;
fig. 6 is a partial structural view of a forming mold for a bottle cap according to an embodiment of the present invention, including a guide cavity for forming a mouth;
fig. 7 is a structural view of a bottle cap according to an embodiment of the present invention;
fig. 8 is a structural view of a bottle mouth according to an embodiment of the present invention.
In the drawings: 110-lower supporting plate, 111-first lower die, 112-second lower die, 120-first material pushing part, 130-forming component, 140-upper supporting plate, 141-first upper die, 142-flow port, 143-second upper die, 144-pouring gate, 150-second material pushing part, 160-cutting component, 210-first sliding block, 220-first groove, 221-turning lug, 222-through groove, 230-installation channel, 310-inclined guide post, 320-first spring, 410-second sliding block, 420-guide block, 421-first guide groove, 422-second guide groove, 510-forming cavity, 520-limit convex ring, 530-fixture block, 610-guide cavity, 620-first upper insert, 630-second upper insert, 631-clamping groove, 640-jacking channel, 641-limiting shoulder, 642-positioning block, 650-cutter, 651-positioning groove, 652-cutting end, 660-second spring, 670-second push ring, 671-annular groove, 710-flip cover, 720-cover body seat, 730-connecting bridge, 740-overturning space, 810-bottle mouth, 820-first clamping ring, 830-second clamping ring and 840-valve plate.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. The technical characteristics of the invention can be combined interactively on the premise of not conflicting with each other.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1, 2, 5 and 7, a forming mold for a bottle cap includes a lower supporting plate 110, a first lower mold 111 is disposed on a top surface of the lower supporting plate, and a first material pushing member 120 capable of moving up and down relative to the first lower mold 111 is disposed on the first lower mold 111; the molding assembly 130 comprises a first slider 210 and a second slider 410 which are arranged on the lower supporting plate 110 in a sliding manner, a first groove 220 is arranged on the side surface of the first slider 210 close to the second slider 410, a second groove opposite to the first groove 220 is arranged on the second slider 410, the first slider 210 and the second slider 410 are attached to each other, the first groove 220 and the second groove are communicated with each other and surround the first lower die 111, a turning lug 221 is arranged on the side wall of the first groove 220 opposite to the second slider 410, the turning lug 221 integrally extends towards the direction close to the second slider 410, the turning lug 221 abuts against the outer peripheral wall of the first lower die 111, two through grooves 222 are arranged on the turning lug 221 at intervals along the horizontal direction, the through grooves 222 extend along the vertical direction, and the first slider 210 and the second slider 410 can slide and separate the side surfaces attached to each other; the bottom surface of the upper supporting plate 140 is provided with a first upper die 141, a forming cavity 510 is formed between the outer side wall of the first lower die 111 and the first and second grooves 220, the first upper die 141 covers the top of the forming cavity 510, the first upper die 141 is provided with a flow port 142, the flow port 142 is communicated with the forming cavity 510, and the upper supporting plate 140 and the lower supporting plate 110 can be separated from each other in the vertical direction. Specifically, the surfaces of the first slider 210 and the second slider 410, which are attached to each other, are taken as parting surfaces, after the molten plastic is poured into the forming cavity 510 through the flow port 142 to form the bottle cap, the first upper die 141 and the first lower die 111 are opened, the first slider 210 and the second slider 410 are opened, and then the first material pushing member 120 jacks up the bottle cap relative to the first lower die 111, so that the bottle cap is successfully separated. It should be noted that a hollow-out flip space 740 is formed at the position of the flip protrusion 221, the portion above the flip space 740 is the flip 710, the portion below the flip space 740 is the cover base 720, two connecting bridges 730 are formed at the through slot 222, the connecting bridge 730 has one end connected to the flip 710 and the other end connected to the cover base 720, and a fitted line connected between the two connecting bridges 730 is a flip line, and one side of the flip 710 can rotate around the flip line and open one side of the cover base 720 without additionally providing a cavity of the flip 710, thereby reducing the mold space occupied by the molding process. In addition, in the demolding process of the turned-open molded bottle cap, the cap body seat 720 and the turning cover 710 need to be ejected out and demolded simultaneously, the structure is complex, and demolding force needs to be considered, the molded bottle cap is integrally buckled on the first lower die 111, the first pushing member 120 can comprise an ejector pin and a first pushing ring, the ejector pin is flush with the top surface of the first lower die 111, the first pushing ring extends upwards to the bottom of the molding cavity 510, the first pushing member 120 is upwards ejected relative to the first lower die 111, the first pushing ring directly ejects the bottom circumference of the bottle cap, and the ejector pin is matched with the top of the bottle cap to eject the bottle cap.
Actually, referring to fig. 4, a plurality of protruding grains may also be disposed in the first groove 220 and the second groove along the horizontal extending direction of the turning protrusion 221, the protruding grains extend to the outer side wall of the first lower die 111, and the protruding grains of the first groove 220 extend toward the second groove, and the protruding grains of the second groove extend toward the first groove 220, so that the first slider 210 and the second slider 410 may be successfully demolded, and after the formed bottle cap is opened by the turning cap 710, the plurality of protruding grains may be broken, so that the turning cap 710 has an anti-theft performance, and the bottle cap does not need to be cut by an additional circular cutting device, thereby improving the product forming efficiency.
Further, referring to fig. 3, in some embodiments, the molding assembly 130 further includes an inclined guide post 310, a top end of the inclined guide post 310 is disposed on the upper supporting plate 140, two inclined guide posts 310 are spaced apart along the sliding direction of the first slider 210, bottom ends of the two inclined guide posts 310 extend in a direction away from each other, and the first slider 210 and the second slider 410 are respectively sleeved on the two inclined guide posts 310 one by one. The inclined guide post 310 is arranged on the upper supporting plate 140, the first slider 210 and the second slider 410 are arranged on the lower supporting plate 110 in a sliding manner, and the relative longitudinal opening and closing movement of the upper supporting plate 140 and the lower supporting plate 110 and the sliding movement between the inclined guide post 310 and the first slider 210 and the second slider 410 are converted into the opening and closing movement between the first slider 210 and the second slider 410, and in addition, the first slider 210 and the second slider 410 can also be driven by driving elements such as a motor screw rod, an air cylinder and the like. The first slider 210 and the second slider 410 may be slidably connected to the lower plate 110 through a slide rail, a sliding groove, or the like.
In order to improve the bottle cap demolding precision, in this embodiment, the first slider 210 is provided with an installation channel 230 matched with the inclined guide pillar 310, the inclined guide pillar 310 is sleeved with a first spring 320, the inner peripheral wall of the installation channel 230 is provided with a positioning table, the upper end of the first spring 320 is connected with the upper supporting plate 140, the lower end of the first spring 320 is connected to the top surface of the positioning table, and the first spring 320 is always in a compressed state. The first spring 320 is sleeved on the inclined guide post 310 and extends into the installation channel 230, the upper end of the first spring 320 is arranged on the upper supporting plate 140, the lower end of the first spring 320 is pressed against the positioning table all the time, the approaching between the first slider 210 and the lower supporting plate 110 is kept, the first spring 320 is ensured to be positioned all the time under the displacement of the first slider 210 and the sliding of the inclined guide post 310, the first spring 320 is prevented from being inclined and interfering with the first slider 210, the sliding stability of the first slider 210 is further improved, and the demolding precision is improved. In fact, the second slider 410 has the same structure as the first slider 210, thereby improving the mold opening stability.
In some embodiments, the upper supporting plate 140 is further provided with a guide block 420, and one end surface of the guide block 420 abuts against the first slider 210 and the second slider 410 respectively; the position of the guide block 420 abutting against the first slider 210 is provided with a first guide groove 421, the first slider 210 extends into the first guide groove 421, and the extending direction of the first guide groove 421 is parallel to the inclined guide post 310 matched with the first slider 210; the position of the guide block 420 opposite to the second sliding block 410 is provided with a second guide groove 422, the second sliding block 410 extends into the second guide groove 422, and the extending direction of the second guide groove 422 is parallel to the inclined guide post 310 matched with the second sliding block 410. In fact, two guide blocks 420 are respectively disposed at both sides of the first slider 210 and the second slider 410, improving the overall movement stability. Moreover, because the first spring 320 is sleeved on the inclined guide post 310, the first slider 210 and the second slider 410 can move along the guide block 420, so that the compression on the spring can be reduced, and the service life of the part can be prolonged.
Actually, referring to fig. 5 and 6, in order to improve the molding efficiency, in some embodiments, the present invention further includes a second pusher 150, a limiting protruding ring 520 is disposed on an outer peripheral wall of the first lower die 111, the limiting protruding ring 520 is disposed on a lower side of the turnover protrusion 221, a second upper die 143 is disposed on a top surface of the upper support plate 140, a second lower die 112 is further disposed on a top surface of the lower support plate 110, a diversion cavity 610 is defined between the second upper die 143 and the second lower die 112, a gate 144 is disposed on the second upper die 143, the gate 144 is communicated with the diversion cavity 610, the second pusher 150 includes a second pusher 670, the second pusher 670 covers a bottom side of an outer periphery of the diversion cavity 610, a circular groove 671 communicated with the diversion cavity 610 is disposed on a top surface of the second pusher 670, an inner diameter of the circular groove 671 is the same as an outer diameter of the limiting protruding ring 520, and the second pusher 150 is capable of sliding up and down relative to the second lower die 112. The bottle cap and the bottle mouth 810 are molded simultaneously and can be demoulded simultaneously, the bottle cap and the bottle mouth 810 which are removed from the mold can be matched with each other, the number of parts is small, the assembly is simple, and the secondary pollution caused by the assembly process is reduced.
In addition, the second pushing member 150 may include a ejector pin and a second pushing ring 670, the ejector pin is slidably disposed on the second lower mold 112, and may assist the second pushing ring 670 to demold the bottle nozzle 810, and at a later stage of the demolding, the second pushing ring 670 stops moving, and the ejector pin continuously moves upward, so that the bottle nozzle 810 may be completely detached from the mold.
In addition, referring to fig. 8, in order to realize the side-release leakage-limiting function of the formed bottle cap, in some embodiments, the present invention further includes a cut-out assembly 160 having a cutting end 652, the top surface of the second lower die 112 is provided with a jacking channel 640, the cut-out assembly 160 is located in the jacking channel 640, the cutting end 652 and the top surface of the second lower die 112 are flush with each other, and the cut-out assembly 160 can drive the cutting end 652 to penetrate out of the jacking channel 640 upwards or to retract back to the opening at the top of the jacking channel 640 downwards. The formed bottle neck 810 is sleeved on the second lower die 112, a flow guide channel is formed in a space reserved for the bottle neck 810 by the second lower die 112, a valve plate 840 covering the flow guide channel is formed in a position between the second lower die 112, the cutting end 652 and the second upper die 143, the cutting assembly 160 drives the cutting end 652 to penetrate out of the jacking channel 640 upwards, the cutting end 652 is made to retreat downwards to a position flush with the top surface of the second lower die 112, it is guaranteed that the valve plate 840 can be formed, the end face of the formed valve plate 840 is cut, water flow pouring is achieved through the valve plate 840, flow limiting is achieved in a side-placing mode, additional cutting equipment is not needed for processing, production efficiency is improved, in addition, the bottle cap is formed in a covering mode, accordingly, in fact, the bottle neck 810 is formed in addition, economic requirements are met, few parts needed for achieving leakage limiting are needed, and production cost is reduced.
In fact, the cutting assembly 160 includes a cutting knife 650 and a second spring 660, the cutting end 652 is located at the top end of the cutting knife 650, the second spring 660 is disposed along the extending direction of the jacking channel 640, one end of the second spring 660 is connected to the jacking channel 640, the other end of the second spring 660 is connected to the cutting knife 650, and the second spring 660 always provides a downward restoring force for the cutting knife 650. In fact, it may be that jacking passageway 640 is connected to the upper end of second spring 660, cutter 650 is connected to the lower extreme, second spring 660 is compression state, make cutter 650 have the trend of downward movement all the time, or cutter 650 is connected to the upper end of second spring 660, jacking passageway 640 is connected to the lower extreme, second spring 660 is tensile state, make cutter 650 also can keep the trend of moving down, guarantee cutter 650 jack-up in-process, the cutting stability of cutting end 652, and after cancelling the ascending drive power to cutter 650, cutter 650 can realize from restoring to the throne, make things convenient for next mould shaping, and is convenient and fast, and the forming precision is improved. In addition, the second spring 660 can be sleeved on the cutter 650, the moving stability of the second spring 660 is improved, the lower portion of the cutter 650 can be provided with a stopping table, the inner wall of the jacking channel 640 is provided with a clamping shoulder, after the driving of the cutter 650 is cancelled, the cutter 650 falls, the bottom surface of the stopping table abuts against the top surface of the clamping shoulder, the clamping shoulder bears the cutter 650, and the cutter 650 is prevented from falling off from the jacking channel 640. Moreover, the jacking channel 640 may penetrate the entire lower second lower mold 112 downward, and air may be introduced into the jacking channel 640, and the cutter 650 is started to move upward by means of air pressure driving, so that air is not filled. The second spring 660 ensures the reset of the cutter 650. In addition, the cutter 650 may be driven to move by a driving element such as an air cylinder or a motor screw.
In addition, the inner side wall of the jacking channel 640 is provided with a limiting shoulder 641 and a positioning block 642, after the cutting end 652 penetrates out of the jacking channel 640, the cutter 650 abuts against the bottom surface of the limiting shoulder 641, the positioning block 642 is arranged on the side wall of the jacking channel 640, the positioning groove 651 is arranged on the side wall of the cutter 650, and when the cutting end 652 covers the top opening of the jacking channel 640, the positioning block 642 extends into the positioning groove 651. The cutter 650 can prop against the bottom surface of the limiting shoulder 641 when moving upwards, the length of the cutting end 652 penetrating out of the jacking channel 640 is limited, the cutting precision of the valve plate 840 is improved, and after the cutting end 652 retreats back to the jacking channel 640, the positioning block 642 of the jacking channel 640 extends into the positioning groove 651 on the cutter 650, so that the top surface of the cutting end 652 is flush with the top surface of the second lower die 112, and the forming precision of the bottle mouth 810 is improved. In fact, the outer wall of the positioning block 642 is arc-shaped, and the positioning groove 651 is also arc-shaped, so that when the cutter 650 is driven by air pressure conveniently, the positioning block 642 can smoothly exit from the positioning groove 651, and the moving smoothness of the cutter 650 is improved.
In addition, in some embodiments, in order to improve functionality of forming the bottle cap, the second upper mold 143 includes a first upper insert 620 and a second upper insert 630, the gate 144 is located on the first upper insert 620, the first upper insert 620 covers a top surface of the diversion cavity 610, the second upper insert 630 circumferentially surrounds the first upper insert 620 and covers a side surface of the diversion cavity 610, a bottom surface of the second upper insert 630 abuts against a top surface of the second push ring 670, an inner peripheral wall of the second upper insert 630 is provided with a locking groove 631 that is mutually communicated with the diversion cavity 610, an included angle between a groove bottom of the locking groove 631 and a bottom groove wall forms an obtuse angle, the outer peripheral wall of the first lower mold 111 is provided with a locking block 530, the locking block 530 is located on an upper side of the turning projection 221, a vertical distance from the locking block 530 to the limiting projection 520 is consistent with a vertical distance from the locking groove 631 to the annular groove 671, an outer diameter of the locking block 530 is the same as an inner diameter of the locking groove 631, and the first upper insert 620 can slide up and down relative to the second upper insert 630. After the bottle mouth 810 is formed in the diversion cavity 610, a second snap ring 830 is formed between the clamping groove 631 of the second upper insert 630 and the first upper insert 620, when the bottle mouth 810 is demolded, the first upper insert 620 moves upwards first, the second upper insert 630 positions the bottle mouth 810 through the clamping groove 631, then the second upper insert 630 moves upwards, demolding of the upper mold is facilitated, the clamping block 530 is arranged on the outer peripheral wall of the first lower mold 111, the clamping block 530 is positioned on the upper side of the turnover projection 221, so that a protruding limiting table is arranged on the inner periphery of the formed flip cover 710, when the flip cover 710 needs to cover the cover base 720, the bottom surface of the limiting table of the flip cover 710 abuts against the top surface of the second snap ring 830 on the diversion mouth, the flip cover 710 is continuously pressed towards the direction of covering the cover base 720, so that the limiting table can pass downwards over the second snap ring 830 and is positioned between the first snap ring 820 and the second snap ring 830, so that the bottom surface of the second snap ring 830 abuts against the top surface of the limiting table, and the flip cover 710 is positioned, keep flip 710 can cover all the time and close on lid seat 720, to bottleneck 810 and bottle lid integrated into one piece, improve product production efficiency.
In addition, the invention also provides a use method of the material increasing and decreasing composite manufacturing equipment, which is applied to the material increasing and decreasing composite manufacturing equipment and specifically comprises the following steps:
firstly, the upper supporting plate 140 and the lower supporting plate 110 are close to each other, the first slider 210 and the second slider 410 are mutually matched, so that a closed forming cavity 510 is defined by the first upper die 141, the first slider 210, the second slider 410, the first lower die 111 and the first material pushing part 120, and the second upper die 143 and the second material pushing ring 670 are mutually matched, so that a closed diversion cavity 610 is defined by the second upper die 143, the second material pushing part 150 and the second lower die 112;
step two, injecting molten plastic into the molding cavity 510 and the diversion cavity 610 through the sprue 142 and the sprue 144 to form a bottle cap and a bottle mouth 810 respectively;
step three, after the cutting end 652 is driven by the notch assembly 160 to penetrate out of the jacking channel 640, the cutting end 652 is automatically reset to the top opening of the jacking channel 640, and the cut part of the bottle mouth 810 forms a valve port;
step four, the upper supporting plate 140 and the lower supporting plate 110 are far away from each other, the first upper die 141 moves upwards, the first sliding block 210 and the second sliding block 410 slide along the first lower die 111 and are far away from each other, and the first upper insert 620 and the second upper insert 630 move upwards in sequence, so that the bottle cap and the top of the bottle mouth 810 are opened;
step five, the first ejector pin and the first push ring move upwards relative to the first lower die 111 at the same time, and meanwhile, the second ejector pin and the second push ring 670 move upwards relative to the second lower die 112 at the same time;
then the first ejector pin is relatively static with the first lower die 111, the first push ring continuously moves upwards relative to the first lower die 111, so that the bottle cap is separated from the first lower die 111, the second push ring 670 is relatively static with the second lower die 112, the second ejector pin continuously moves upwards relative to the second lower die 112, so that the bottle mouth 810 is separated from the second lower die 112 upwards, the bottle mouth 810 and the bottle cap are formed simultaneously, the formed bottle mouth 810 and the bottle cap can be matched with each other, the turnover cover 710 on the formed bottle cap partially covers the cover body seat 720, the forming space is reduced, a valve port is formed in the bottle mouth 810, no additional notch equipment is needed to process the bottle mouth 810, and the production efficiency of products is improved.
While the preferred embodiments of the present invention have been described in detail, it should be understood that the invention is not limited to those precise embodiments, and that various changes and modifications may be effected therein by one skilled in the art without departing from the scope or spirit of the invention as defined in the appended claims.
Claims (10)
1. The utility model provides a forming die of bottle lid which characterized in that: the method comprises the following steps:
the top surface of the lower supporting plate (110) is provided with a first lower die (111), and the upper surface of the first lower die (111) is provided with a first material pushing piece (120) capable of moving up and down relative to the first lower die;
the molding assembly (130) comprises a first sliding block (210) and a second sliding block (410) which are arranged on the lower supporting plate (110) in a sliding mode, a first groove (220) is formed in the side face, close to the second sliding block (410), of the first sliding block (210), a second groove opposite to the first groove (220) is formed in the second sliding block (410), the first sliding block (210) and the second sliding block (410) are attached to each other, the first groove (220) and the second groove are communicated with each other and surround the first lower die (111), a turning convex block (221) is arranged on the side wall, opposite to the second sliding block (410), of the first groove (220), the turning convex block (221) integrally extends towards the direction close to the second sliding block (410), the turning convex block (221) is abutted to the outer side wall of the first lower die (111), and two through grooves (222) are arranged on the turning convex block (221) at intervals along the horizontal direction, the through groove (222) extends along the vertical direction, and the first sliding block (210) and the second sliding block (410) can slide and enable the side surfaces of the first sliding block and the second sliding block which are attached to each other to be separated from each other;
the bottom surface of the upper supporting plate (140) is provided with a first upper die (141), the peripheral wall of the first lower die (111) is connected with the first groove (220) and the second groove to form a forming cavity (510), the first upper die (141) covers the top of the forming cavity (510), the first upper die (141) is provided with a flow port (142), the flow port (142) is communicated with the forming cavity (510), and the upper supporting plate (140) and the lower supporting plate (110) can be separated from each other in the vertical direction.
2. The forming mold for a bottle cap according to claim 1, wherein: the forming assembly (130) further comprises inclined guide posts (310), the top ends of the inclined guide posts (310) are arranged on the upper supporting plate (140), the two inclined guide posts (310) are arranged at intervals along the sliding direction of the first sliding block (210), the bottom ends of the two inclined guide posts (310) extend towards the direction away from each other, and the first sliding block (210) and the second sliding block (410) are respectively sleeved on the two inclined guide posts (310) in a one-to-one manner.
3. The mold for forming a bottle cap according to claim 2, wherein: the first sliding block (210) is provided with an installation channel (230) matched with the inclined guide post (310), the inclined guide post (310) is sleeved with a first spring (320), the upper end of the first spring (320) is connected with the upper supporting plate (140), the lower end of the first spring (320) is connected in the installation channel (230), and the first spring (320) is always in a compressed state.
4. A forming mold for a bottle cap according to claim 2 or 3, wherein: the upper supporting plate (140) is also provided with a guide block (420), and one end surface of the guide block (420) is respectively abutted against the first sliding block (210) and the second sliding block (410);
a first guide groove (421) is formed in the position, which is abutted against the first sliding block (210), of the guide block (420), the first sliding block (210) extends into the first guide groove (421), and the extending direction of the first guide groove (421) is parallel to the inclined guide post (310) matched with the first sliding block (210);
the position of the guide block (420) abutting against the second sliding block (410) is provided with a second guide groove (422), the second sliding block (410) extends into the second guide groove (422), and the extending direction of the second guide groove (422) is parallel to the inclined guide post (310) matched with the second sliding block (410).
5. The forming die for a bottle cap according to claim 1, wherein: the material pushing device is characterized by further comprising a second pushing part (150), a limiting convex ring (520) is arranged on the peripheral wall of the first lower die (111), the limiting convex ring (520) is located on the lower side of the overturning convex block (221), a second upper die (143) is arranged on the top surface of the upper supporting plate (140), a second lower die (112) is further arranged on the top surface of the lower supporting plate (110), a flow guide cavity (610) is formed between the second upper die (143) and the second lower die (112) in a surrounding mode, a pouring gate (144) is arranged on the second upper die (143), the pouring gate (144) is communicated with the flow guide cavity (610), the second pushing part (150) comprises a second pushing ring (670), the second pushing ring (670) covers the bottom side of the periphery of the flow guide cavity (610), and an annular groove (671) communicated with the flow guide cavity (610) is arranged on the top surface of the second pushing ring (670), the inner diameter of the annular groove (671) is the same as the outer diameter of the limiting convex ring (520), and the second material pushing piece (150) can slide up and down relative to the second lower die (112).
6. The mold for forming a bottle cap according to claim 5, wherein: still including having incision subassembly (160) of cutting end (652), the top surface of second lower mould (112) is equipped with jacking passageway (640), incision subassembly (160) are located in jacking passageway (640), cutting end (652) with the top surface of second lower mould (112) flushes each other, incision subassembly (160) can drive cutting end (652) upwards wear out jacking passageway (640), or withdraw downwards the top opening part of jacking passageway (640).
7. The mold for forming a bottle cap according to claim 6, wherein: incision subassembly (160) include cutter (650) and second spring (660), cutting end (652) are located the top of cutter (650), second spring (660) are followed jacking passageway (640) extending direction sets up, the one end of second spring (660) is connected jacking passageway (640), the other end of second spring (660) is connected cutter (650), second spring (660) are for all the time cutter (650) provide decurrent restoring force.
8. The mold for forming a bottle cap according to claim 7, wherein: jacking passageway (640) inside wall is equipped with spacing shoulder (641) and locating piece (642), cutting end (652) is worn out jacking passageway (640) back, cutter (650) offset in the bottom surface of spacing shoulder (641), the lateral wall of jacking passageway (640) is equipped with locating piece (642), be equipped with constant head tank (651) on the lateral wall of cutter (650), cutting end (652) cover during the open-top of jacking passageway (640), locating piece (642) stretch into in constant head tank (651).
9. A process for molding a mold for a bottle cap, which is applied to the mold for a bottle cap as claimed in claim 6, wherein: the method comprises the following steps:
firstly, the upper supporting plate (140) and the lower supporting plate (110) are close to each other, the first slider (210) and the second slider (410) are clamped with each other, so that the first upper die (141), the first slider (210), the second slider (410), the first lower die (111) and the first material pushing part (120) enclose a closed forming cavity (510), and the second upper die (143) and the second material pushing ring (670) are clamped with each other, so that the second upper die (143), the second material pushing part (150) and the second lower die (112) enclose a closed diversion cavity (610);
step two, respectively injecting molten plastics into the molding cavity (510) and the diversion cavity (610) through the runner orifice (142) and the sprue (144) to respectively form a bottle cap and a bottle mouth (810);
step three, the upper supporting plate (140) and the lower supporting plate (110) are far away from each other, the first upper die (141) moves upwards, the first sliding block (210) and the second sliding block (410) slide along the first lower die (111) and are far away from each other, and the second upper die (143) moves upwards simultaneously;
fourthly, the first material pushing part (120) moves upwards relative to the first lower die (111) to enable the bottle cap to be separated from the first lower die (111), and meanwhile, the second material pushing part (150) moves upwards relative to the second lower die (112) to enable the bottle mouth (810) to be separated from the second lower die (112) upwards.
10. The forming process of the forming die of the bottle cap as claimed in claim 9, wherein: a forming process of a forming die of a bottle cap is characterized in that: after the mouth (810) is formed, the cutting assembly (160) drives the cutting end (652) upwards out of the jacking channel (640) and retracts the cutting end (652) downwards to the top opening of the jacking channel (640).
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CN207140192U (en) * | 2017-09-08 | 2018-03-27 | 郭昕玥 | Conventional bottle cap, which makes, improves die station |
CN208277286U (en) * | 2018-06-07 | 2018-12-25 | 杭州三星化妆品包装有限公司 | It is a kind of for making the particular manufacturing craft of cosmetic package Cover inside the bottle |
CN111645275A (en) * | 2020-06-06 | 2020-09-11 | 浙江泰欣塑料模具有限公司 | Cover body rapid forming injection mold and sideslip insert mechanism thereof |
CN215283112U (en) * | 2021-05-19 | 2021-12-24 | 上海振坚模具技术发展有限公司 | Forming die for anti-theft cover |
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JP2000053155A (en) * | 1998-08-05 | 2000-02-22 | Fuji Seiki Kk | Supply-opening-having cap for liquid seasoning supply bottle and injection molding die therefor |
EP1386712A1 (en) * | 2002-08-02 | 2004-02-04 | BVA S.r.l. | Mould for making plastic stoppers provided with hinged covers |
EP1512513A2 (en) * | 2003-09-08 | 2005-03-09 | Easy Plast SRL | Injection mould for obtaining bottles of plastics material |
CN105034269A (en) * | 2015-07-14 | 2015-11-11 | 严鹏 | Automatic production injection mold capable of achieving bottle capping automatically |
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CN111645275A (en) * | 2020-06-06 | 2020-09-11 | 浙江泰欣塑料模具有限公司 | Cover body rapid forming injection mold and sideslip insert mechanism thereof |
CN215283112U (en) * | 2021-05-19 | 2021-12-24 | 上海振坚模具技术发展有限公司 | Forming die for anti-theft cover |
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CN114571642B (en) | 2024-04-30 |
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