CN114571642B - Forming die and forming process of bottle cap - Google Patents
Forming die and forming process of bottle cap Download PDFInfo
- Publication number
- CN114571642B CN114571642B CN202210123820.4A CN202210123820A CN114571642B CN 114571642 B CN114571642 B CN 114571642B CN 202210123820 A CN202210123820 A CN 202210123820A CN 114571642 B CN114571642 B CN 114571642B
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- sliding block
- die
- supporting plate
- bottle cap
- groove
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000000465 moulding Methods 0.000 claims abstract description 17
- 230000007306 turnover Effects 0.000 claims abstract description 16
- 238000007493 shaping process Methods 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 6
- 230000002829 reductive effect Effects 0.000 abstract description 12
- 230000002093 peripheral effect Effects 0.000 abstract description 10
- 230000000670 limiting effect Effects 0.000 description 21
- 238000004519 manufacturing process Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 7
- 239000002131 composite material Substances 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000036961 partial effect Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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
-
- 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
-
- 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
Landscapes
- 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 pushing piece which can move 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 manner, wherein a first groove is formed in the side surface, close to the second sliding block, of the first sliding block, a second groove which is opposite to the first groove is formed in the second sliding block, a turnover lug is arranged on the side wall, right opposite to the second sliding block, of the first groove, the whole turnover lug extends towards the direction close to the second sliding block, the turnover lug abuts against the peripheral wall of the first lower die, two through grooves are formed in the turnover lug at intervals along 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 the first upper die, the upper supporting plate and the lower supporting plate can be mutually far away along the up-down direction, the bottle cap can be formed in a covering mode, the die space occupied in the forming process is reduced, and the forming cost is reduced.
Description
Technical Field
The invention relates to the field of forming dies of bottle caps, in particular to a forming die of a bottle cap and a forming process thereof.
Background
Some bottle caps on the market are provided with a cap body seat and a flip cover, the cap body seat is arranged on a bottle opening, one side of the flip cover which is rotated is connected to the cap body seat, the flip cover can be covered or opened to open the top opening of the cap body seat, the bottle opening is covered, most of the bottle cap is integrally formed in the forming process, a connecting bridge is connected between the cap body seat and the flip cover, in order to reserve the turnover amount of two sides of the connecting bridge, the flip cover and the cap body seat are required to be opened for forming, therefore, a cap body seat cavity, a connecting bridge cavity and a flip cover cavity which are sequentially connected along the horizontal direction are required to be reserved on a forming die, and the occupied area is large and the manufacturing cost is high.
Disclosure of Invention
The invention aims to provide a forming die for a bottle cap, which solves one or more technical problems in the prior art and at least provides a beneficial selection or creation condition.
The invention solves the technical problems as follows:
A mold for forming a bottle cap, comprising: the upper surface of the lower supporting plate is provided with a first lower die, and the first lower die is provided with a first pushing piece which can move up and down relative to the 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 manner, wherein a first groove is formed in the side surface, 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, the first sliding block and the second sliding block are mutually attached, the first groove and the second groove are mutually communicated and surround the first lower die, a turnover lug is arranged on the side wall, right opposite to the second sliding block, of the first groove, the whole turnover lug extends towards the direction close to the second sliding block, the turnover lug abuts against the peripheral wall of the first lower die, two through grooves are formed in the turnover lug at intervals along the horizontal direction, the through grooves extend along the up-down direction, and the first sliding block and the second sliding block can slide and enable the mutually attached side surfaces to be separated from each other; the upper supporting plate is characterized in that a first upper die is arranged on the bottom surface of the upper supporting plate, a forming cavity is formed between the outer side wall of the first lower die and the first groove and between the outer side wall of the first lower die 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 mutually far away along the up-down direction.
The technical scheme has at least the following beneficial effects: the first lower die, the first slider, the second slider, enclose into confined shaping cavity between first ejector pad and the first mould, the upset lug that offsets with first lower die lateral wall is equipped with on the first recess of first slider, simultaneously, be equipped with two logical grooves that extend from top to bottom along the horizontal direction interval on the upset lug, have the clearance between logical groove and the first lower die, pour into the shaping cavity through the mouth and form the bottle lid after the molten plastic, the upset lug position forms the upset space of fretwork, the part above the upset space is flip, the part below the upset space is the lid seat, and lead to the trough department to form the connecting bridge that two intervals set up, flip is connected to the one end of connecting bridge, the lid seat is then connected with the fitting line that connects between two connecting bridges is the upset line, one side of flip can rotate and open one side of lid seat, the connecting bridge is crooked simultaneously, the opposite side and the opposite side of lid seat are close to each other for flip can compress towards the upset space, the pull force to the connecting bridge, the structure is ingenious, moreover, set up the cavity in addition, the cost of the shaping process is reduced.
As a further improvement of the technical scheme, the forming assembly further comprises inclined guide posts, the top ends of the inclined guide posts are arranged on the upper supporting plate, the two inclined guide posts are arranged at intervals along the sliding direction of the first sliding block, the bottom ends of the two inclined guide posts extend towards the direction away from each other, and the first sliding block and the second sliding block are respectively sleeved on the two inclined guide posts one by one. The first sliding block and the second sliding block are both in sliding connection on the lower supporting plate, and the first sliding block and the second sliding block are respectively sleeved on the inclined guide posts with the two bottom ends relatively far away, when the upper supporting plate moves upwards relative to the lower supporting plate, the two inclined guide posts move upwards along with the upper supporting plate and drive the first sliding block and the second sliding block to move towards the direction away from each other, and the relative longitudinal opening and closing movement of the upper supporting plate and the lower supporting plate is converted into the movement away from or close to the movement between the first sliding block and the second sliding block, so that the transverse die sinking of the bottle cap is realized, and the bottle cap is reliable in structure, convenient and quick.
As a further improvement of the technical scheme, the first sliding block is provided with a mounting 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 with the upper supporting plate, the lower end of the first spring is connected with the mounting 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 setting of the first spring of compression is on last layer board, and the lower extreme then is connected in the installation passageway, makes first spring compress tightly first slider on the bottom plate all the time, reduces the 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 technical scheme, the upper supporting plate is also provided with a guide block, and one end face of the guide block is respectively propped against the first sliding block and the second sliding block; the guide block is provided with a first guide groove at the position propped against the first sliding block, the first sliding block stretches into the first guide groove, and the extending direction of the first guide groove is parallel to the inclined guide post matched with the first sliding block; the guide block is provided with a second guide groove at the position propped against the second slide block, the second slide block stretches 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 slide block. The guide block and the inclined guide posts synchronously move, when the first slide block enables the upper supporting plate to move, the two inclined guide posts slide along the first slide block and the second slide block respectively, the first slide block slides relatively along the first guide groove, the second slide block slides relatively along the second guide groove, the movement stability of the first slide block and the second slide block is improved, the shearing stress on the inclined guide posts is reduced, and the integral supporting strength is improved.
As another improvement of the technical scheme, the invention further comprises a second pushing piece, wherein a limiting convex ring is arranged on the peripheral wall of the first lower die, the limiting convex ring is positioned at the lower side of the overturning convex block, a second upper die is arranged on the top surface of the upper supporting plate, a second lower die is further arranged on the top surface of the lower supporting plate, a diversion cavity is enclosed between the second upper die and the second lower die, a pouring gate is arranged on the second upper die, the pouring gate is communicated with the diversion cavity, the second pushing piece comprises a second pushing ring, the second pushing ring covers the bottom side of the periphery of the diversion cavity, an annular groove which is communicated with the diversion cavity is arranged on the top surface of the second pushing ring, the inner diameter of the annular groove is the same as the outer diameter of the limiting convex ring, and the second pushing piece can slide up and down relative to the second lower die. The second upper die, the second lower die and the second pushing piece enclose into a closed flow guide cavity, molten plastic is injected into the pouring gate to form the bottle neck, the bottom of the periphery of the bottle neck corresponds to the position of the annular groove to protrude to form a first clamping ring, the inner peripheral wall of the formed bottle cap corresponds to the position of the limiting convex ring to be concave to form a limiting groove, the outer diameter of the first clamping ring and the inner diameter of the limiting groove are matched with each other, when the upper supporting plate moves upwards, the first upper die and the second upper die move upwards and open the formed cavity and the flow guide cavity respectively, then the first pushing piece moves upwards relative to the first lower die and pushes out the bottle cap, the second pushing piece moves upwards relative to the second lower die and pushes out the bottle neck, the bottle neck can be clamped on the limiting groove of the bottle cap through the first clamping ring, the bottle cap and the bottle neck are formed in a matched mode simultaneously, the forming efficiency is improved, and the processing error is reduced.
As a further improvement of the above technical solution, the present invention further includes a notch component having a cutting end, where the top surface of the second lower die is provided with a jacking channel, the notch component is located in the jacking channel, the cutting end is flush with the top surface of the second lower die, and the notch component can drive the cutting end to pass through the jacking channel upwards or retract downwards to the top opening of the jacking channel. The bottle neck after the shaping overlaps on the second lower mould, the space that the second lower mould was reserved for the bottle neck forms the water conservancy diversion passageway, the position between second lower mould, cutting end and the second goes up the mould forms the valve block that covers on the water conservancy diversion passageway, after the cutting end was worn out the jacking passageway upwards to incision subassembly drive cutting end, and make the cutting end withdraw downwards with the mutual position that flushes of second lower mould top surface, guarantee that the valve block can form, and make fashioned valve block terminal surface cut, the valve block realizes rivers pouring, the side is put the restriction, need not to establish incision equipment in addition and process, improve production efficiency.
As a further improvement of the technical scheme, the notch component comprises a cutter and a second spring, the cutting end is located at the top end of the cutter, the second spring is arranged along the extending direction of the jacking channel, one end of the second spring is connected with the jacking channel, the other end of the second spring is connected with the cutter, and the second spring always provides downward reset force for the cutter. The cutter has the trend that compresses tightly downwards all the time, guarantees the cutter and upwards jack-up in-process, the cutting stability of cutting end to after canceling to the ascending actuating force of pair cutting tool, the cutter can realize from the reset, and convenient mould shaping of next time, convenient and fast improves the shaping precision.
As a further improvement of the technical scheme, the inner side wall of the jacking channel is provided with a limiting shoulder and a positioning block, after the cutting end penetrates out of the jacking channel, the cutter is propped 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 when the cutting end covers the top opening of the jacking channel, the positioning block stretches into the positioning groove. The cutter can prop against the bottom surface of spacing shoulder when upwards moving, and the length of restriction cutting end departure jacking passageway improves the cutting accuracy to the valve block, and after the jacking passageway was returned to the cutting end moreover, the locating piece of jacking passageway stretches into the constant head tank on the cutter, guarantees that the top surface of cutting 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 composite manufacturing equipment for increasing and decreasing materials, which is applied to the composite manufacturing equipment for increasing and decreasing materials and comprises the following steps: the first sliding block and the second sliding block are mutually closed, so that a closed forming cavity is formed by enclosing the first upper die, the first sliding block, the second sliding block, the first lower die and the first pushing piece, and a closed diversion cavity is formed by enclosing the second upper die, the second pushing piece and the second lower die; injecting molten plastic into the forming cavity and the diversion cavity through the flow port and the pouring gate respectively to form a bottle cap and a bottle mouth respectively; 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 at the same time; and step four, 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 simultaneously, 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 has at least the following beneficial effects: the bottle mouth and the bottle cap are formed at the same time, the formed bottle mouth and the formed bottle cap can be matched with each other, the flip part on the formed bottle cap is covered on the cap body seat, the forming space is reduced,
As a further improvement of the above technical solution, after the bottle neck is formed, the notch assembly drives the cutting end to pass through the jacking channel upwards, and makes the cutting end retract downwards to the top opening of the jacking channel. The molded bottle mouth is provided with a valve port, so that a notch device is not required to be additionally arranged for processing the bottle mouth, and the production efficiency of products is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the invention, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.
Fig. 1 is a block diagram of a mold for molding a bottle cap according to an embodiment of the present invention;
FIG. 2 is a block diagram of a first slider provided in an embodiment of the present invention;
FIG. 3 is a partial block diagram of a mold for forming a closure in accordance with one embodiment of the present invention, including a first spring in a forming assembly;
FIG. 4 is a partial block diagram of a mold for forming a bottle cap according to an embodiment of the present invention, wherein the mold comprises a guide block, a first slider and a second slider;
FIG. 5 is a partial block diagram of a mold for forming a closure in accordance with one embodiment of the present invention, including a mold cavity for forming a closure;
FIG. 6 is a partial block diagram of a mold for forming a bottle cap according to an embodiment of the present invention, including a guide cavity for forming a mouth;
FIG. 7 is a block diagram of a bottle cap according to an embodiment of the present invention;
fig. 8 is a structural view of a mouthpiece provided in an embodiment of the present invention.
In the accompanying drawings: 110-lower plate, 111-first lower mold, 112-second lower mold, 120-first ejector, 130-forming assembly, 140-upper plate, 141-first upper mold, 142-flow port, 143-second upper mold, 144-gate, 150-second ejector, 160-cutout assembly, 210-first slide, 220-first groove, 221-flip tab, 222-through slot, 230-mounting channel, 310-bias guide post, 320-first spring, 410-second slide, 420-guide block, 421-first guide slot, 422-second guide slot, 510-forming cavity, 520-limit collar, 530-clamp block, 610-guide cavity, 620-first upper insert, 630-second upper insert, 631-clamp slot, 640-lift channel, 641-limit shoulder, 642-positioning block, 650-cutter, 651-positioning slot, 652-cut end, 660-second spring, 670-second push ring, 671-flip cover, 720-annular slot, 730-lid, 730-bridge, 652-side-groove, 830-seat-830-seat, and retainer ring.
Detailed Description
The conception, specific structure, and technical effects produced by the present invention will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, features, and effects of the present invention. It is apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments, and that other embodiments obtained by those skilled in the art without inventive effort are within the scope of the present invention based on the embodiments of the present invention. In addition, all connection relationships mentioned herein do not refer to direct connection of the components, but rather, refer to a connection structure that may be better formed by adding or subtracting connection aids depending on the particular implementation. The technical features of the invention can be interactively combined on the premise of no contradiction and conflict.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed 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 explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.
Referring to fig. 1, 2,5 and 7, the forming mold of the bottle cap includes a lower plate 110, a first lower mold 111 is provided on a top surface thereof, and a first pushing member 120 movable up and down with respect to the first lower mold 111 is provided thereon; the molding assembly 130, which includes a first slider 210 and a second slider 410 slidably disposed on the lower support plate 110, wherein a first groove 220 is disposed on a side surface of the first slider 210 adjacent to the second slider 410, a second groove opposite to the first groove 220 is disposed on the second slider 410, the first slider 210 and the second slider 410 are mutually attached, the first groove 220 and the second groove are mutually communicated and surround the first lower mold 111, a turnover protrusion 221 is disposed on a side wall of the first groove 220 opposite to the second slider 410, the turnover protrusion 221 integrally extends in a direction approaching to the second slider 410, the turnover protrusion 221 abuts against an outer peripheral wall of the first lower mold 111, two through grooves 222 are disposed on the turnover protrusion 221 at intervals along a horizontal direction, the through grooves 222 extend along an up-down direction, and the first slider 210 and the second slider 410 are slidable and separate mutually attached sides from 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 groove 220 and the second groove, 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 mutually far away from each other along the up-down direction. Specifically, after the first slider 210 and the second slider 410 are adhered to each other and the molten plastic is poured into the molding cavity 510 through the flow port 142 to form the bottle cap, the first upper mold 141 and the first lower mold 111 are opened, the first slider 210 and the second slider 410 are opened, and then the first pushing member 120 pushes up the bottle cap relative to the first lower mold 111, so that the bottle cap is successfully separated. It should be noted that, the position of the overturning bump 221 forms a hollowed overturning space 740, the part above the overturning space 740 is a flip 710, the part below the overturning space 740 is a cover seat 720, two connecting bridges 730 arranged at intervals are formed at the through groove 222, one end of each connecting bridge 730 is connected with the flip 710, the other end is connected with the cover seat 720, a fitting line connected between the two connecting bridges 730 is used as an overturning line, one side of the flip 710 can rotate around the overturning line and open one side of the cover seat 720, a cavity of the flip 710 is not needed to be additionally arranged, and the mold space occupied in the molding process is reduced. In addition, in the demolding process of the molded bottle cap, the cap body seat 720 and the flip 710 are required to be ejected and demolded simultaneously, the structure is complex, and demolding force is required to be considered, the molded bottle cap is integrally buckled on the first lower die 111, the first pushing piece 120 can comprise a needle and a first pushing ring, the needle 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 piece 120 is lifted upwards relative to the first lower die 111, the first pushing ring directly lifts the bottom periphery of the bottle cap, the needle is matched with the top of the bottle cap, the bottle cap can be integrally lifted without considering demolding force on the flip 710 and the connecting bridge 730, the pushing structure is simplified, the pulling of the die to a workpiece is reduced, and the demolding precision is improved.
In fact, referring to fig. 4, a plurality of protruding grains may be disposed in the first groove 220 and the second groove along the horizontal extending direction of the flip protrusion 221, the protruding grains extend to the outer sidewall of the first lower mold 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 molded bottle cap is turned over the flip 710, the plurality of protruding grains will be broken, so that the flip 710 has anti-theft performance, and no additional ring cutting device is required to cut the bottle cap, thereby improving the product molding efficiency.
Further, referring to fig. 3, in some embodiments, the forming assembly 130 further includes inclined guide posts 310, the top ends of the inclined guide posts 310 are disposed on the upper supporting plate 140, the two inclined guide posts 310 are disposed at intervals along the sliding direction of the first slider 210, the bottom ends of the two inclined guide posts 310 extend in directions 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 to one. The oblique guide post 310 is disposed on the upper support plate 140, the first slider 210 and the second slider 410 are slidably disposed on the lower support plate 110, and the sliding between the oblique guide post 310 and the first slider 210 and the second slider 410 is converted into the opening and closing of the mold between the first slider 210 and the second slider 410 by the relative longitudinal opening and closing movement of the upper support plate 140 and the lower support plate 110, and the first slider 210 and the second slider 410 may be driven by driving elements such as a motor screw and a cylinder. The first slider 210 and the second slider 410 may be slidably connected to the lower plate 110 through a slide rail and a slide groove.
In order to improve the demolding precision of the bottle cap, in this embodiment, the first slider 210 is provided with a mounting channel 230 matching with the inclined guide post 310, the inclined guide post 310 is sleeved with a first spring 320, the inner peripheral wall of the mounting 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 with 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 mounting 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 always pressed against the positioning table, the first sliding block 210 is kept close to the lower supporting plate 110, the first spring 320 is always kept positioned under the displacement of the first sliding block 210 and the sliding of the inclined guide post 310, the deflection of the first spring 320 and the interference to the first sliding block 210 are prevented, the sliding stability of the first sliding block 210 is further improved, and the demolding precision is improved. In practice, the second slider 410 has the same structure as the first slider 210, and improves 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 is respectively abutted against the first sliding block 210 and the second sliding block 410; the guide block 420 is provided with a first guide groove 421 at a position propped against the first slide block 210, the first slide block 210 stretches 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 slide block 210; the guide block 420 is provided with a second guide groove 422 at a position against the second slider 410, the second slider 410 extends into the second guide groove 422, and the extending direction of the second guide groove 422 is parallel to the oblique guide post 310 matched with the second slider 410. In practice, two guide blocks 420 are respectively disposed at both sides of the first slider 210 and the second slider 410, thereby 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 of the spring can be reduced, and the service life of parts can be prolonged.
In fact, referring to fig. 5 and 6, in order to improve the molding efficiency, in some embodiments, the present invention further includes a second pushing member 150, a limiting convex ring 520 is disposed on an outer peripheral wall of the first lower mold 111, the limiting convex ring 520 is located at a lower side of the turning protrusion 221, a second upper mold 143 is disposed on a top surface of the upper support plate 140, a second lower mold 112 is disposed on a top surface of the lower support plate 110, a guiding cavity 610 is enclosed between the second upper mold 143 and the second lower mold 112, a gate 144 is disposed on the second upper mold 143, the gate 144 is in communication with the guiding cavity 610, the second pushing member 150 includes a second pushing ring 670, the second pushing ring 670 covers a bottom side of an outer periphery of the guiding cavity 610, an annular groove 671 is disposed on a top surface of the second pushing ring 670 and is in communication with the guiding cavity 610, an inner diameter of the annular groove 671 is the same as an outer diameter of the limiting convex ring 520, and the second pushing member 150 can slide up and down relative to the second lower mold 112. The bottle cap and the bottle neck 810 are simultaneously molded, and can be simultaneously ejected from the mold, the bottle cap and the bottle neck 810 which are ejected from the mold can be mutually matched, the parts are fewer, the assembly is simple, and the secondary pollution caused in the assembly process is reduced.
In addition, the second pushing member 150 may include a needle and a second pushing ring 670, where the needle is slidably disposed on the second lower die 112, so as to assist the second pushing ring 670 to demold the bottle neck 810, and in the later stage of demolding, the second pushing ring 670 stops moving, and the needle moves up continuously, so that the bottle neck 810 can be completely separated from the die.
Also, referring to fig. 8, in order to implement the side release and leakage limiting function of the molded bottle cap, in some embodiments, the present invention further includes a notch component 160 having a cutting end 652, the top surface of the second lower mold 112 is provided with a jacking channel 640, the notch component 160 is located in the jacking channel 640, the cutting end 652 is flush with the top surface of the second lower mold 112, and the notch component 160 can drive the cutting end 652 to pass through the jacking channel 640 upwards or retract downwards to the top opening of the jacking channel 640. The molded bottle neck 810 is sleeved on the second lower die 112, a diversion channel is formed by the space reserved by the second lower die 112 for the bottle neck 810, a valve plate 840 covering the diversion channel is formed at the position among the second lower die 112, the cutting end 652 and the second upper die 143, after the cutting assembly 160 drives the cutting end 652 to upwards penetrate out of the jacking channel 640, the cutting end 652 is enabled to downwards retract to a position flush with the top surface of the second lower die 112, the valve plate 840 can be formed, the end surface of the molded valve plate 840 is enabled to be cut, the valve plate 840 is enabled to pour water flow, and the side-placing flow-limiting is achieved, a notch device is not needed to be additionally arranged for processing, the production efficiency is improved, in addition, because the bottle neck 810 is formed by a cover, in practice, the bottle neck 810 is more in line with economic requirements, parts needed for realizing leakage limiting are few, and the production cost is reduced.
In fact, the notch assembly 160 includes a cutter 650 and a second spring 660, the cutting end 652 is located at the top end of the cutter 650, the second spring 660 is disposed along the extension 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 cutter 650, and the second spring 660 always provides a downward restoring force for the cutter 650. In fact, the jacking channel 640 may be connected to the upper end of the second spring 660, the cutter 650 is connected to the lower end, the second spring 660 is in a compressed state, so that the cutter 650 always has a downward movement trend, or the cutter 650 is connected to the upper end of the second spring 660, the jacking channel 640 is connected to the lower end, the second spring 660 is in a stretching state, so that the cutter 650 can also keep a downward movement trend, the cutting stability of the cutting end 652 is ensured in the upward jacking process of the cutter 650, and after the upward driving force of the cutter 650 is canceled, the cutter 650 can realize self-resetting, thereby facilitating the next mold molding, being convenient and quick, and improving the molding precision. In addition, the second spring 660 can be sleeved on the cutter 650, so that the movement stability of the second spring 660 is improved, a stop table can be arranged at the lower part of the cutter 650, a clamping shoulder is arranged on the inner wall of the jacking channel 640, after the driving of the cutter 650 is canceled, the cutter 650 falls down, the bottom surface of the stop 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 the jacking channel 640. In addition, the jacking channel 640 may penetrate the entire lower second lower die 112 downwards, and gas may be introduced into the jacking channel 640, and the cutter 650 is started to move upwards in a pneumatic driving manner, so that the gas is not filled. The second spring 660 ensures the reset of the cutter 650. Alternatively, the cutter 650 may be driven to move by a driving element such as an air cylinder or a motor screw.
And, jacking passageway 640 inside wall is equipped with spacing shoulder 641 and locating piece 642, and after cutting end 652 worn out jacking passageway 640, cutter 650 offsets in the bottom surface of spacing shoulder 641, and jacking passageway 640's lateral wall is equipped with locating piece 642, is equipped with the constant head tank 651 on cutter 650's the lateral wall, and cutting end 652 covers when jacking passageway 640's top opening, locating piece 642 stretches into in the constant head tank 651. When the cutter 650 moves upwards, the cutter can prop against the bottom surface of the limiting shoulder 641, limit the length of the cutting end 652 penetrating out of the jacking channel 640, improve the cutting precision of the valve plate 840, and after the cutting end 652 retreats to the jacking channel 640, the positioning block 642 of the jacking channel 640 stretches into the positioning groove 651 on the cutter 650, so that the top surface of the cutting end 652 is guaranteed to be flush with the top surface of the second lower die 112, and the forming precision of the bottle neck 810 is improved. In fact, the outer wall of the positioning block 642 is arc-shaped, and the positioning groove 651 is arc-shaped, so that when the cutter 650 is driven by air pressure, the positioning block 642 can smoothly withdraw from the positioning groove 651, and the moving smoothness of the cutter 650 is improved.
In addition, in some embodiments, in order to improve the functionality of the molded 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 the top surface of the diversion cavity 610, the second upper insert 630 circumferentially surrounds the first upper insert 620 and covers the side surface of the diversion cavity 610, the bottom surface of the second upper insert 630 abuts against the top surface of the second push ring 670, the inner peripheral wall of the second upper insert 630 is provided with a clamping groove 631 which is mutually communicated with the diversion cavity 610, an included angle between the bottom of the clamping groove 631 and the bottom groove wall is an obtuse angle, a clamping block 530 is arranged on the outer peripheral wall of the first lower mold 111, the clamping block 530 is located on the upper side of the turning bump 221, the vertical distance from the clamping block 530 to the limiting convex ring 520 is consistent with the vertical distance from the clamping groove 631 to the annular groove 671, the outer diameter of the clamping block 530 is the same as the inner diameter of the clamping groove 631, and the first upper insert 620 can slide up and down relative to the second upper insert 630. After the flow guide cavity 610 is formed in the bottle neck 810, a second clamping ring 830 is formed between a clamping groove 631 of the second upper insert 630 and the first upper insert 620, when the bottle neck 810 is demolded, the first upper insert 620 moves upwards, the second upper insert 630 positions the bottle neck 810 through the clamping groove 631, then the second upper insert 630 moves upwards, the upper die is convenient to demold, a clamping block 530 is arranged on the outer peripheral wall of the first lower die 111, the clamping block 530 is positioned on the upper side of the overturning convex block 221, a protruding limiting table is arranged on the inner periphery of the formed flip 710, when the flip 710 is required to cover the cover body seat 720, the bottom surface of the limiting table of the flip 710 abuts against the top surface of the second clamping ring 830 on the flow guide nozzle, the flip 710 is continuously pressed towards the direction of the cover body seat 720, the limiting table can downwards cross the second clamping ring 830, and is positioned between the first clamping ring 820 and the second clamping ring 830, the bottom surface of the second clamping ring 830 abuts against the top surface of the limiting table, positioning of the flip 710 is realized, the flip 710 can be always covered on the cover body seat 720, and the bottle cap 810 is required to be integrally molded, and the product production efficiency of the bottle neck 810 is improved.
In addition, the invention also provides a use method of the composite manufacturing equipment for increasing and decreasing materials, which is applied to the composite manufacturing equipment for increasing and decreasing materials, and specifically comprises the following steps:
Step one, the upper supporting plate 140 and the lower supporting plate 110 are close to each other, the first sliding block 210 and the second sliding block 410 are clamped with each other, so that a closed forming cavity 510 is enclosed among the first upper die 141, the first sliding block 210, the second sliding block 410, the first lower die 111 and the first pushing piece 120, and the second upper die 143 and the second pushing ring 670 are clamped with each other, so that a closed diversion cavity 610 is enclosed among the second upper die 143, the second pushing piece 150 and the second lower die 112;
Step two, molten plastic is respectively injected into the forming cavity 510 and the diversion cavity 610 through the flow port 142 and the pouring gate 144 to respectively form a bottle cover and a bottle neck 810;
Step three, after the incision component 160 drives the cutting end 652 to pass through the jacking channel 640 upwards, and the cutting end 652 is automatically reset to the top opening of the jacking channel 640, and the cut part of the bottle neck 810 forms a valve port;
Fourth, the upper and lower trays 140 and 110 are moved away from each other, the first upper mold 141 is moved upward, the first and second sliders 210 and 410 are slid along the first lower mold 111 and moved away from each other, and the first and second upper inserts 620 and 630 are sequentially moved upward, so that the tops of the cap and the mouth 810 are opened;
step five, the first needle and the first pushing ring move upwards simultaneously relative to the first lower die 111, and simultaneously, the second needle and the second pushing ring 670 move upwards simultaneously relative to the second lower die 112;
then the first ejector pin is static relative to the first lower die 111, the first pushing 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 pushing ring 670 and the second lower die 112 are static relative to each other, the second ejector pin continuously moves upwards relative to the second lower die 112, so that the bottle neck 810 is separated from the second lower die 112 upwards, the bottle neck 810 and the bottle cap are formed simultaneously, the formed bottle neck 810 and the formed bottle cap can be matched with each other, the flip 710 part on the formed bottle cap is covered on the cap body seat 720, the forming space is reduced, the bottle neck 810 is provided with a valve port, a notch device is not required to be additionally arranged for processing the bottle neck 810, and the product production efficiency is improved.
While the preferred embodiment of the present application has been illustrated and described, the present application is not limited to the embodiments, and various equivalent modifications and substitutions can be made by those skilled in the art without departing from the spirit of the present application, and these equivalent modifications and substitutions are intended to be included in the scope of the present application as defined in the appended claims.
Claims (10)
1. A forming die of bottle lid, its characterized in that: comprising the following steps:
the upper 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 pushing piece (120) which can move 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 manner, a first groove (220) is formed in the side surface, 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 mutually attached, the first groove (220) and the second groove are mutually communicated and surround the first lower die (111), a turnover protruding block (221) is arranged on the side wall, close to the second sliding block (410), of the first sliding block (220), the turnover protruding block (221) integrally extends towards the direction, close to the second sliding block (410), the turnover protruding block (221) is abutted against the outer side wall of the first lower die (111), two through grooves (222) are formed in a horizontal direction at intervals, and the through grooves (222) are mutually communicated and extend along the upper and lower directions, and the first sliding block (210) and the second sliding block (410) can be mutually attached to each other;
The upper supporting plate (140), its bottom surface is equipped with first upper die (141), the periphery wall of first lower mould (111) with form shaping cavity (510) between first recess (220) the second recess, first upper die (141) cover the top of shaping cavity (510), have mouth (142) on first upper die (141), mouth (142) with shaping cavity (510) intercommunication each other, upper supporting plate (140) with can follow upper and lower direction each other between lower supporting plate (110).
2. The mold for forming 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) one by one.
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 pillar (310), the inclined guide pillar (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 mould for forming a closure according to claim 2 or 3, wherein: a guide block (420) is further arranged on the upper supporting plate (140), and one end face of the guide block (420) is respectively abutted against the first sliding block (210) and the second sliding block (410);
The guide block (420) is provided with a first guide groove (421) at a position propped against the first sliding block (210), the first sliding block (210) stretches into the first guide groove (421), and the extending direction of the first guide groove (421) is parallel to the inclined guide pillar (310) matched with the first sliding block (210);
The guide block (420) is provided with a second guide groove (422) at a position propped against the second slider (410), the second slider (410) stretches into the second guide groove (422), and the extending direction of the second guide groove (422) is parallel to the inclined guide pillar (310) matched with the second slider (410).
5. The mold for forming a bottle cap according to claim 1, wherein: still include second ejector pad spare (150), be equipped with spacing bulge loop (520) on the periphery wall of first lower mould (111), spacing bulge loop (520) are located the downside of upset lug (221), the top surface of upper bracket board (140) is equipped with second upper mould (143), the top surface of lower bracket board (110) still is equipped with second lower mould (112), second upper mould (143) with enclose into water conservancy diversion die cavity (610) between second lower mould (112), be equipped with runner (144) on second upper mould (143), runner (144) with water conservancy diversion die cavity (610) intercommunication each other, second ejector pad spare (150) include second ejector pad (670), second ejector pad (670) cover the bottom side of water conservancy diversion die cavity (610) periphery, the top surface of second ejector pad (670) be equipped with ring channel (671) that water conservancy diversion die cavity (610) communicate each other, the internal diameter size of second ejector pad spare (671) with the size of spacing bulge loop (610) is the same, second ejector pad spare (150) can be slipped down.
6. The mold for forming a bottle cap according to claim 5, wherein: still including incision subassembly (160) with cutting end (652), the top surface of second lower mould (112) is equipped with jacking passageway (640), incision subassembly (160) are located 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), perhaps the downwardly recede jacking passageway (640) top opening part.
7. The mold for forming a bottle cap according to claim 6, wherein: the 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 all the time for cutter (650) provide decurrent restoring force.
8. The mold for forming a bottle cap according to claim 7, wherein: the utility model discloses a jacking passageway, including jacking passageway (640), cutter (650), cutter (642), locating piece (651) are equipped with spacing shoulder (641) and locating piece (642) in jacking passageway (640) inside wall, cut end (652) are worn out behind jacking passageway (640), 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), cut end (652) cover when the top opening of jacking passageway (640), locating piece (642) stretch into in constant head tank (651).
9. A molding process of a molding die for a bottle cap, applied to the molding die for a bottle cap as claimed in claim 6, characterized in that: the method comprises the following steps:
Step one, the upper supporting plate (140) and the lower supporting plate (110) are close to each other, the first sliding block (210) and the second sliding block (410) are clamped to each other, so that a closed forming cavity (510) is formed by enclosing the first upper die (141), the first sliding block (210), the second sliding block (410), the first lower die (111) and the first pushing piece (120), and a closed guiding cavity (610) is formed by enclosing the second upper die (143), the second pushing piece (150) and the second lower die (112) by enclosing the second upper die (143), the second pushing piece (150) and the second pushing piece (670);
Step two, molten plastic is respectively injected into the forming cavity (510) and the diversion cavity (610) through the flow port (142) and the pouring gate (144) to respectively form a bottle cap and a bottle neck (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 at the same time;
And step four, the first pushing piece (120) moves upwards relative to the first lower die (111) so that the bottle cap is separated from the first lower die (111), and meanwhile, the second pushing piece (150) moves upwards relative to the second lower die (112) so that the bottle mouth (810) is separated from the second lower die (112) upwards.
10. The molding process of a mold for molding a bottle cap according to claim 9, wherein: after the mouthpiece (810) is formed, the slit assembly (160) drives the cut end (652) upward out of the jacking channel (640) and causes the cut end (652) to retract downward into the top opening of the jacking channel (640).
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| CN202210123820.4A CN114571642B (en) | 2022-02-10 | 2022-02-10 | Forming die and forming process of bottle cap |
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| CN202210123820.4A CN114571642B (en) | 2022-02-10 | 2022-02-10 | Forming die and forming process of bottle cap |
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| CN114571642B true CN114571642B (en) | 2024-04-30 |
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| CN114571642A (en) | 2022-06-03 |
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