CN111409238B - Integrated cup and forming die for three-dimensional patterns on cup - Google Patents
Integrated cup and forming die for three-dimensional patterns on cup Download PDFInfo
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- CN111409238B CN111409238B CN202010356131.9A CN202010356131A CN111409238B CN 111409238 B CN111409238 B CN 111409238B CN 202010356131 A CN202010356131 A CN 202010356131A CN 111409238 B CN111409238 B CN 111409238B
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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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
- B29C45/372—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings provided with means for marking or patterning, e.g. numbering 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
- B29L2031/712—Containers; Packaging elements or accessories, Packages
- B29L2031/7132—Bowls, Cups, Glasses
Abstract
The invention discloses an integrally formed cup and a forming die for forming three-dimensional patterns on the cup, which comprise an upper die set and a lower die set, wherein a die core cylinder for forming an inner cavity of the cup is fixed in the middle of the top surface of the lower die set; the upper outer periphery of the mold core column is provided with two first molding sliders which are symmetrically arranged, a first mold cavity is formed between the two first molding sliders and the mold core column, the inner side surfaces of the two first molding sliders are mutually attached to form a second mold cavity, at least three second molding sliders are arranged on the bottom outer periphery of the mold core column in a circular array, a third mold cavity is formed between the circular inner side surface of each second molding slider and the bottom outer periphery of the mold core column, and the second molding sliders are placed on the top surface of the lower mold block; the third die cavity and the second die cavity are both communicated with the first die cavity; the second forming slide block is arranged on the top surface of the lower module in a sliding way, and the first forming slide block is arranged on the bottom surface of the upper module in a sliding way. The forming die is suitable for mass production and improves the production efficiency.
Description
Technical Field
The invention relates to the technical field of forming molds, in particular to an integrally formed cup and a forming mold for three-dimensional patterns on the cup.
Background
At present, the cup which is integrally injection molded and the three-dimensional patterns on the cup are generally formed by injection molding of the cup, and then are carved and formed at the cup body and the cup rim by adopting a manual carving technology, so that a carving procedure is added, manual carving is carried out, and workers must be skilled technicians needing a skilled carving process, so that mass production needs a large amount of manual operation, the labor cost is increased, the labor intensity is high, the efficiency is low, and the other manufacturing mode adopts a 3D printing technology to carry out 3D printing and forming products, the printing and forming speed is relatively low, so that the production efficiency is influenced, and at least more than 3 printing devices are needed to meet the requirement during mass production; therefore, the two modes are not suitable for mass production of cups with three-dimensional patterns, so that a production mold capable of solving the defects is urgently needed.
Disclosure of Invention
The invention aims to solve the technical defects and provides a forming die which is suitable for mass production and can improve the production efficiency to integrally form cups and three-dimensional patterns on the cups.
The invention relates to an integrally formed cup and a forming die for forming three-dimensional patterns on the cup, which comprise an upper die set and a lower die set, wherein a die core cylinder for forming an inner cavity of the cup is fixed in the middle of the top surface of the lower die set; the outer periphery of the upper part of the mold core column body is provided with two first molding sliding blocks which are symmetrically arranged, the inner side surfaces of the two first molding sliding blocks are provided with first arc molding grooves and molding grooves which are consistent with the shape of a handle of a cup, a round hole type first mold cavity for molding a cup body is formed between the inner side walls of the two first arc molding grooves and the outer periphery side surface of the upper part of the mold core column body, the two molding grooves are correspondingly spliced to form a second mold cavity for molding the handle of the cup after the inner side surfaces of the two first molding sliding blocks are mutually attached, and the inner side walls of the molding grooves are provided with first textures for molding three-dimensional patterns on the handle of the cup; at least three second forming slide blocks are arranged on the bottom outer periphery side of the mold core column in a circular array, a circular hole type third mold cavity for forming the opening part of the cup body is formed between the circular inner side surface of the second forming slide block and the bottom outer periphery side surface of the mold core column, second textures for forming three-dimensional patterns on the outer periphery side surface of the opening part of the cup body are arranged on the circular inner side surface of the second forming slide block, and the second forming slide blocks are placed on the top surface of the lower mold block; the third die cavity and the second die cavity are both communicated with the first die cavity; a forming block for forming the shape of the outer side face of the bottom of the cup is positioned at the top end opening of the first die cavity and is fixed on the bottom surface of the upper die plate; the second forming slide block is arranged on the top surface of the lower die set in a sliding manner, the first forming slide block is arranged on the bottom surface of the upper die set in a sliding manner, after die assembly is carried out, the upper die set and the lower die set are combined with each other, and the bottom surface of the first forming slide block is attached to the top surface of the second forming slide block; after the mold is opened, the upper mold set and the lower mold set are separated from each other, a space exists between the bottom surface of the first molding slide block and the top surface of the second molding slide block, and the two first molding slide blocks and the at least three second molding slide blocks slide outwards to open the mold. Wherein the three-dimensional pattern is in the shape of knitting stitch and is formed on the cup mouth and the cup handle.
Preferably, the upper die set sequentially comprises an upper die plate and an upper die block from top to bottom, the upper die plate and the upper die block are fixedly connected with each other, a groove is formed in the middle of the bottom surface of the upper die block, a plurality of first inclined guide holes are formed in the top surfaces of the two first forming sliders, a first inclined guide pillar which corresponds to the first inclined guide holes in position and has the same inclination angle is fixed to the bottom of the groove, the first inclined guide pillars are correspondingly inserted into the first inclined guide holes, the two first forming sliders are symmetrically spliced with each other and then are placed in the groove, the left side surface of the left first forming slider and the right side surface of the right first forming slider are inclined surfaces which have the same inclination angle with the first inclined guide holes, and the inclined surfaces of the first forming sliders are attached to the inclined surfaces of the inner side walls of the groove; the tank bottom middle part at the recess is fixed to the shaping piece, the middle part of cope match-plate pattern and cope match-plate pattern middle part all are provided with the sprue gate that corresponds each other, the sprue gate top port of cope match-plate pattern is fixed with the runner cover, three sprue gate corresponds the amalgamation each other and forms the runner of watering with first die cavity intercommunication, it has the reposition of redundant personnel needle body to insert in the runner to water, the hot melt material that gets into in the runner flows into first die cavity between reposition of redundant personnel needle body and the interchange way inner wall, first oblique guiding hole and first oblique guide pillar mutually support and realize that first shaping slider slides to the inboard or slides to the outside, the bottom surface of cope match-plate pattern is provided with a plurality of guiding holes.
Preferably, the second forming slide block is set into four blocks, the lower module sequentially comprises a lower template, a top plate group, a cushion block and a lower module from bottom to top, the four second forming slide blocks are all provided with second inclined guide holes, the bottom end surface of the mold core cylinder is fixed in the middle of the top surface of the cushion block, the middle of the lower module is provided with a through hole corresponding to the position of the mold core cylinder, the lower template is fixedly connected with the cushion block through a supporting foot block, the top surface of the lower module is annularly arrayed with four slide grooves, the four second forming slide blocks are respectively installed in the four slide grooves in a sliding manner, the inner side surfaces of the four second forming slide blocks are respectively provided with second arc forming grooves, the second arc forming grooves of the four second forming slide blocks are spliced with each other to form a circular hole type third mold cavity corresponding to the position of the through hole, the top surface of the cushion block is fixed with four second inclined guide posts which respectively correspond to the positions of the four second inclined guide holes and have the same inclination angle, the bottom surfaces of the four sliding grooves are respectively provided with long through holes corresponding to the positions of the four second inclined guide holes, the tops of the four second inclined guide pillars correspondingly penetrate through the four long through holes and then are inserted into the second inclined guide holes, the mold core columns sequentially penetrate through the through holes and the third mold cavity and then are inserted into the first mold cavity, a plurality of push rods are fixed on the top surface of the top plate group, the top ends of the push rods penetrate through the cushion blocks and then are fixed with the bottom surface of the upper mold block, and the second inclined guide holes and the second inclined guide pillars are matched with each other to realize inward sliding or outward sliding of the second forming slide block; a first long-shaped groove is formed in the bottom surface of the first forming sliding block, a slot is formed in the inner side wall of the first long-shaped groove, and a hook block is fixed to the top surface of the cushion block; the top end of the hook block penetrates through the elongated hole of the lower module and then is inserted into the first elongated groove, the transverse part of the top end of the hook block is correspondingly inserted into the slot, the top surface of the lower module is provided with a plurality of guide posts corresponding to the guide holes respectively, and the guide posts are correspondingly inserted into the guide holes.
Preferably, the outer side ends and the inner side ends of the groove bottom surfaces of the four sliding grooves are respectively fixed with a limiting block.
Preferably, the molding device further comprises an ejector pin, the top end of the mold core cylinder is provided with a recess, the middle part of the mold core cylinder is provided with an ejector pin channel, a molding ejector block is inserted into the recess, one end of the ejector pin plate is fixed with the ejector plate group, and the other end of the ejector pin plate is fixedly connected with the molding ejector block after being inserted into the ejector pin channel; (ii) a The ejection mechanism for ejecting the product by using the ejector pin can be replaced by an air passage or an air pipe arranged in the air passage so as to eject the product by using an air ejection mode, and the middle part of the die core column and the cushion block are respectively provided with through holes corresponding to each other to form the air passage.
As preferred, still including location cylinder, reset spring and release link, roof group resets, and the one end of location cylinder and release link is all fixed a position on roof group, and the other end of location cylinder runs through in proper order behind cushion, the lower module and contradicts with the bottom surface of last module, and reset spring overlaps on the release link, and reset spring's both ends are contradicted with the top surface of roof group and the bottom surface of cushion respectively.
Preferably, the slot forming structure in the first elongated slot is: one end of the first long-shaped groove is provided with a second long-shaped groove which is vertical to the first long-shaped groove and communicated with the first long-shaped groove, a distance exists between the groove bottom of the second long-shaped groove and the groove bottom of the first long-shaped groove, and a long-shaped block is fixedly embedded in the second long-shaped groove, so that a slot is formed between the groove bottom of the first long-shaped groove and the side surface of the long-shaped block.
Preferably, the lower template is fixed with a support guide column, the top plate group is provided with a guide hole, and the support guide column penetrates through the guide hole and then is fixed with the bottom surface of the cushion block.
Preferably, a wedge block is fixedly embedded into the inclined surface of the groove, and the inclined surface of the wedge block is attached to the inclined surface of the first forming slide block.
Preferably, a mold closing ring groove is arranged on the side wall of the notch of the groove, and after mold closing, the inclined surface of the mold closing ring groove is respectively attached to the inclined surface on the outer periphery side of the middle protruding part at the top of the lower module and the inclined surface on the outer side end of the second forming slide block.
The integrally formed cup and the forming mold for the three-dimensional patterns on the cup are structurally characterized in that the cup and the three-dimensional patterns on the cup are formed at one time through the integrally formed mold, the production forming speed is high, the production efficiency is improved by more than two times compared with the production mode in the prior art, and the production cost is relatively low.
Drawings
FIG. 1 is a schematic view (one) of the overall structure of the embodiment;
FIG. 2 is the overall structure diagram of the embodiment (II);
FIG. 3 is the overall structure diagram of the embodiment (III);
FIG. 4 is a schematic view (IV) of the overall structure of the embodiment;
FIG. 5 is an overall structural schematic view (V) of the embodiment;
FIG. 6 is an overall structural view of the embodiment (VI);
FIG. 7 is a schematic structural view of an upper module of the embodiment;
FIG. 8 is a schematic view of the structure of the lower module of the embodiment.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.
Example (b):
as shown in fig. 1-8, the forming mold for integrally forming a cup and a three-dimensional pattern on the cup described in this embodiment includes an upper mold set 1 and a lower mold set 2, wherein a mold core cylinder 3 for forming an inner cavity of the cup is fixed in the middle of the top surface of the lower mold set 2; two first forming sliders 14 which are symmetrically arranged are arranged on the outer periphery of the upper portion of the mold core column body 3, first arc forming grooves 181 and forming grooves 191 which are consistent with the shape of a handle of a cup are formed in the inner side faces of the two first forming sliders 14, a round hole type first mold cavity 18 for forming a cup body is formed between the inner side faces of the two first arc forming grooves and the outer periphery of the upper portion of the mold core column body, a second mold cavity 19 for forming the handle of the cup is formed by correspondingly splicing the two forming grooves after the inner side faces of the two first forming sliders 20 are attached to each other, and first textures 1911 for forming three-dimensional patterns on the handle of the cup are arranged on the inner side walls of the forming grooves; at least three second forming slide blocks 20 are arranged in a circular array on the outer periphery of the bottom of the mold core column 3, a circular hole type third mold cavity 201 for forming a cup opening is formed between the inner circular side surface of the second forming slide block 20 and the outer periphery side surface of the bottom of the mold core column 3, second textures 203 for forming three-dimensional patterns on the outer periphery side surface of the cup opening are arranged on the inner circular side surface of the second forming slide block 20, and the second forming slide block 20 is placed on the top surface of the lower mold block 21; the third mold cavity 201 and the second mold cavity 19 are both in communication with the first mold cavity 18; a forming block 7 for forming the shape of the outer side surface of the bottom of the cup is positioned at the top end opening of the first mold cavity 18, and the forming block 7 is fixed on the bottom surface of the upper mold plate 11; the second forming slide 20 is slidably mounted on the top surface of the lower die set 2, the first forming slide 14 is slidably mounted on the bottom surface of the upper die set 1, and after the dies are closed, the upper die set 1 and the lower die set 2 are combined with each other, and the bottom surface of the first forming slide 14 is attached to the top surface of the second forming slide 20. Wherein the three-dimensional pattern is in the shape of knitting stitch and is formed on the cup mouth and the cup handle.
The upper die set 1 sequentially comprises an upper die plate 11 and an upper die block 12 from top to bottom, the upper die plate 11 and the upper die block 12 are fixedly connected with each other, a groove 121 is formed in the middle of the bottom surface of the upper die block 12, a plurality of first inclined guide holes 122 are formed in the top surfaces of the two first forming sliders 14, a first inclined guide post 15 which corresponds to the first inclined guide hole 122 in position and has the same inclination angle is fixed at the bottom of the groove 121, the first inclined guide post 15 is correspondingly inserted into the first inclined guide hole 122, the two first forming sliders 14 are symmetrically spliced with each other and then placed in the groove 121, the left inner side wall, the right inner side wall, the left side surface of the left first forming slider 14 and the right side surface of the right first forming slider 14 of the groove 121 are inclined surfaces which have the same inclination angle with the first inclined guide hole 122, and the inclined surfaces of the first forming slider 14 are attached to the inner side wall of the groove 121; the forming block 7 is fixed in the middle of the bottom of the groove 121, the middle of the forming block 7, the middle of the upper die plate 11 and the middle of the upper die block 12 are provided with corresponding pouring holes 123, a pouring gate sleeve 16 is fixed at a top port of the pouring hole of the upper die plate 11, three pouring holes 123 are correspondingly spliced to form a pouring channel communicated with the first die cavity, a shunting needle body 17 is inserted into the pouring channel, hot melt entering the pouring channel flows into the first die cavity 181 through a gap between the shunting needle body and the inner wall of the alternating channel, the first inclined guide hole 122 and the first inclined guide post 15 are matched with each other to realize inward sliding or outward sliding of the first forming slide block 14, and the bottom surface of the upper die block 12 is provided with a plurality of guide holes 124; the die opening or die closing of the two first forming sliders is realized by utilizing the inclined guide columns, three-dimensional stitch patterns on the cup body, the handle and the handle are formed after die closing, the first inclined guide columns adopt T-shaped inclined guide columns, then the T-shaped inclined guide columns penetrate through inclined T-shaped holes in the upper die block to be positioned, and after the upper die plate is fixed to the top surface of the upper die block through bolts, the top ends of the T-shaped inclined guide columns abut against the bottom surface of the upper die plate to press and fix the first inclined guide columns.
The second forming slide block 20 is provided with four, the lower module 2 sequentially comprises a lower template 24, a top plate group 29, a cushion block 22 and a lower module 21 from bottom to top, the four second forming slide blocks 20 are all provided with second inclined guide holes 202, the bottom end surface of the mold core cylinder 3 is fixed in the middle of the top surface of the cushion block 22, the middle of the lower module 21 is provided with a perforation 213 corresponding to the position of the mold core cylinder 3, the lower template 24 is fixedly connected with the cushion block 22 through a support foot block 23, the top surface of the lower module 21 is provided with four sliding grooves 211 in an annular array manner, the four second forming slide blocks 20 are respectively arranged in the four sliding grooves 211 in a sliding manner, the inner side surfaces of the four second forming slide blocks 20 are all provided with second arc forming grooves, the second arc forming grooves of the four second forming slide blocks are spliced to form a round hole type third mold cavity 201 corresponding to the perforation position, the top surface of the cushion block 22 is fixed with four second inclined guide posts 221 corresponding to the positions of the four second inclined guide holes 202 and having the same inclination angle, the bottom surfaces of the four sliding grooves 211 are respectively provided with long through holes 212 corresponding to the positions of the four second inclined guide holes 202, the tops of the four second inclined guide pillars 221 respectively penetrate through the four long through holes 212 and then are inserted into the second inclined guide holes 202, the mold core column 3 sequentially penetrates through the through hole 213 and the third mold cavity 202 and then is inserted into the first mold cavity 18, a plurality of push rods are fixed on the top surface of the top plate group 29, the top ends of the push rods penetrate through the cushion block 22 and then are fixed with the bottom surface of the upper mold block 12, and the second inclined guide holes 202 and the second inclined guide pillars 221 are mutually matched to realize inward sliding or outward sliding of the second molding slide block 20; the bottom surface of the first forming slide 14 is provided with a first long-shaped groove 141, the inner side wall of the first long-shaped groove 141 is provided with a slot 1411, and the top surface of the cushion block 22 is fixed with a hook block 224; the top end of the hook block 224 penetrates the elongated hole 214 of the lower module 21 and then is inserted into the first elongated slot 141, and the transverse part of the top end is correspondingly inserted into the slot 1411; after the mold is closed, a cup opening part of the cup and a three-dimensional stitch pattern of the cup opening part are formed by a third mold cavity 201 formed by four second molding sliders 20; set up fixed orifices 222 in the cushion 22, be fixed with fixed block 223 through the bolt in the fixed orifices 222, set up the word-adding type hole of inclination on the fixed block 223, second angle guide pole 221 adopts the word-adding type angle guide pole of line, and the word-adding type angle guide pole of line inserts the downthehole location of word-adding type, utilize fixed block 223 fixed come to suppress second angle guide pole 221 fixedly, the top surface of lower module 21 is provided with a plurality of guide posts 6 that correspond with the guide hole 124 position respectively, the guide post correspondence inserts in the guide hole.
The ejector pin 4 is further included for ejecting a product after the mold is opened, a recess 31 is formed in the top end of the mold core cylinder 3, an ejector pin channel is formed in the middle of the mold core cylinder, a forming ejector block 32 is inserted into the recess 31, one end of an ejector pin plate is fixed with the top plate group, and the other end of the ejector pin plate is fixedly connected with the forming ejector block after being inserted into the ejector pin channel; the ejection mechanism for ejecting the product by using the ejector pin can be replaced by an air passage or an air pipe arranged in the air passage so as to eject the product by using an air ejection mode, and the middle part of the die core column and the cushion block are respectively provided with through holes corresponding to each other to form the air passage.
Based on the working principle that the die structure produces products in a die closing state: injecting hot melt for injection molding into the first mold cavity by using the runner, then in the process of continuous injection, respectively flowing the hot melt in the first mold cavity into the second mold cavity and the third mold cavity until the hot melt fills the first mold cavity, the second mold cavity and the third mold cavity, stopping injecting the hot melt, then performing pressure maintaining molding in the mold, after molding is completed, injecting cooling liquid into a cooling channel arranged in the first molding slider for cooling, after cooling is completed, solidifying the product, moving down the mold set, in the process of moving down, moving down the first molding slider by using the action of the transverse part of the hook block clamped in the slot, in the process of moving down, the two first molding sliders slide outwards under the action of the inclined guide hole and the inclined guide column, and after the first molding slider continuously moves down and outwards, the transverse part 2241 of the hook block 224 is separated from the slot, the lower die set continuously moves downwards, after the upper part of the die core cylinder leaves the upper die set, the ejector plate set is pushed upwards, the ejector plate set is favorable for pushing the push rod to enable the upper die set and the four second forming slide blocks to move upwards, in the process of moving upwards, the four second forming slide blocks slide outwards to open the die, an ejector pin is also pushed upwards while the second forming slide blocks open the die to drive the forming ejector blocks to also push upwards, so that a formed product is pushed downwards from the die core cylinder to complete the die release, after the die release is completed, the die is reset and returns to a die closing state, and finally, the reciprocating forming operation is performed according to the operation sequence; and a positioning through hole is arranged at the lower template.
In this embodiment, the outer ends and the inner ends of the groove bottom surfaces of the four sliding grooves 211 are fixed with limit blocks 8; the structure of the second forming slide block is used for limiting the position of the second forming slide block 20 after displacement, and after the second forming slide block is displaced towards the outer side, the rear end of the second forming slide block is abutted against the limiting column.
In the embodiment, the device also comprises a positioning column body 25, a reset spring 5 and a reset rod 28, wherein the top plate group is reset, one ends of the positioning column body and the reset rod are positioned and fixed on the top plate group, the other end of the positioning column body 25 penetrates through the cushion block and the lower module in sequence and then abuts against the bottom surface of the upper module, the reset spring 5 is sleeved on the reset rod 28, and two ends of the reset spring respectively abut against the top surface of the top plate group and the bottom surface of the cushion block; under the die sinking state, after the ejector plate group pushes up, the positioning cylinder also moves up along with the ejector plate group, after the top of the reset rod is abutted against the bottom surface of the upper die block, the ejector plate group moves up to be limited, when die assembly needs to be carried out, the ejector plate group loses the upward pushing force, then the lower die block moves up, the ejector plate group automatically moves down to reset under the action of the bottom surface of the upper die block which is abutted by the reset spring and the reset rod, at the moment, the push rod, the positioning cylinder, the ejector pin and the forming ejector block on the ejector pin all recover to the position under the die assembly state, and the bottom end of the positioning cylinder is fixed on the ejector plate group through bolts.
In this embodiment, the slot 1411 in the first elongated slot 141 has the following structure: one end of the first long-shaped groove 141 is provided with a second long-shaped groove 1412 which is perpendicular to and communicated with the first long-shaped groove 141, a distance exists between the groove bottom of the second long-shaped groove 1412 and the groove bottom of the first long-shaped groove 141, and a long-shaped block 1413 is fixedly embedded in the second long-shaped groove 1412, so that a slot 1411 is formed between the groove bottom of the first long-shaped groove 141 and the side surface of the long-shaped block 1413. The long block is fixed on the second long groove through bolts in the structure, and the design facilitates the assembly of the mold.
In this embodiment, the lower mold plate 24 is fixed with a support guide post, the top plate set is provided with a guide hole 291, and the support guide post penetrates through the guide hole 291 and is fixed with the bottom surface of the cushion block 22. The structure of the device realizes the positioning and guiding functions when the top plate group moves upwards and downwards.
In this embodiment, the wedge block 13 is fixed to the inclined surface of the groove 121 in an embedded manner, and the inclined surface of the wedge block 13 is attached to the inclined surface of the first forming slider 14. The structure utilizes the effect of the inclined plane to carry out die assembly, so that the die is convenient to assemble the two first forming slide blocks when in die assembly.
In this embodiment, a mold clamping ring groove 125 is formed in a side wall of the notch of the groove 12, and after mold clamping, an inclined surface of the mold clamping ring groove 125 is respectively in close contact with an inclined surface of an outer peripheral side of a middle protruding portion of the top of the lower mold block 21 and an inclined surface of an outer end of the second forming slider 20. The structure utilizes the effect of the inclined plane to carry out die assembly, so that the die is convenient to assemble the four second forming slide blocks when in die assembly.
The present invention is not limited to the above-mentioned preferred embodiments, and any other products in various forms can be obtained by anyone in the light of the present invention, but any changes in the shape or structure thereof, which have the same or similar technical solutions as those of the present application, fall within the protection scope of the present invention.
Claims (6)
1. A forming die for integrally forming a cup and a three-dimensional pattern on the cup is characterized by comprising an upper die set and a lower die set, wherein a die core cylinder for forming an inner cavity of the cup is fixed in the middle of the top surface of the lower die set; the outer periphery of the upper part of the mold core column body is provided with two first molding sliding blocks which are symmetrically arranged, the inner side surfaces of the two first molding sliding blocks are provided with first arc molding grooves and molding grooves which are consistent with the shape of a handle of a cup, a round hole type first mold cavity for molding a cup body is formed between the inner side walls of the two first arc molding grooves and the outer periphery side surface of the upper part of the mold core column body, the two molding grooves are correspondingly spliced to form a second mold cavity for molding the handle of the cup after the inner side surfaces of the two first molding sliding blocks are mutually attached, and the inner side walls of the molding grooves are provided with first textures for molding three-dimensional patterns on the handle of the cup;
at least three second forming slide blocks are arranged on the bottom outer periphery side of the mold core column in a circular array, a circular hole type third mold cavity for forming the opening part of the cup body is formed between the circular inner side surface of the second forming slide block and the bottom outer periphery side surface of the mold core column, second textures for forming three-dimensional patterns on the outer periphery side surface of the opening part of the cup body are arranged on the circular inner side surface of the second forming slide block, and the second forming slide blocks are placed on the top surface of the lower mold block; the third die cavity and the second die cavity are both communicated with the first die cavity; a forming block for forming the shape of the outer side face of the bottom of the cup is positioned at the top end opening of the first die cavity and is fixed on the bottom surface of the upper die plate;
the second forming slide block is arranged on the top surface of the lower die set in a sliding manner, the first forming slide block is arranged on the bottom surface of the upper die set in a sliding manner, after die assembly is carried out, the upper die set and the lower die set are combined with each other, and the bottom surface of the first forming slide block is attached to the top surface of the second forming slide block; after the mold is opened, the upper mold set and the lower mold set are separated from each other, a space exists between the bottom surface of the first molding slide block and the top surface of the second molding slide block, and the two first molding slide blocks and at least three second molding slide blocks slide outwards to open the mold;
the upper die set sequentially comprises an upper die plate and an upper die block from top to bottom, the upper die plate and the upper die block are fixedly connected with each other, a groove is formed in the middle of the bottom surface of the upper die block, a plurality of first inclined guide holes are formed in the top surfaces of the two first forming sliders, a first inclined guide pillar which corresponds to the first inclined guide holes in position and has the same inclination angle is fixed to the bottom of the groove, the first inclined guide pillars are correspondingly inserted into the first inclined guide holes, the two first forming sliders are symmetrically spliced with each other and then are placed in the groove, the left inner side wall of the groove, the right inner side wall of the left first forming slider and the right inner side wall of the right first forming slider are inclined planes which have the same inclination angle with the first inclined guide holes, and the inclined planes of the first forming sliders are attached to the inclined planes of the groove; the forming block is fixed in the middle of the bottom of the groove, corresponding pouring holes are formed in the middle of the forming block, the middle of the upper template and the middle of the upper module, a sprue bush is fixed at the top port of the pouring hole of the upper template, three pouring holes are correspondingly spliced to form a pouring runner communicated with the first mold cavity, a shunting needle body is inserted into the pouring runner, hot melt entering the pouring runner flows into the first mold cavity through the shunting needle body and the inner wall of the alternating-current channel, the first inclined guide hole and the first inclined guide post are matched with each other to realize inward sliding or outward sliding of the first forming slide block, and a plurality of guide holes are formed in the bottom surface of the upper module;
the second forming slide block is set into four, the lower module sequentially comprises a lower template, a top plate group, a cushion block and a lower module from bottom to top, the four second forming slide blocks are all provided with second inclined guide holes, the bottom end surface of the mold core cylinder is fixed in the middle of the top surface of the cushion block, the middle of the lower module is provided with a perforation corresponding to the position of the mold core cylinder, the lower template is fixedly connected with the cushion block through a supporting foot block, the top surface of the lower module is annularly arrayed with four chutes, the four second forming slide blocks are respectively installed in the four chutes in a sliding manner, the inner side surfaces of the four second forming slide blocks are all provided with second arc forming grooves, the second arc forming grooves of the four second forming slide blocks are spliced with each other to form a third circular hole type mold cavity corresponding to the position of the perforation, the top surface of the cushion block is fixed with four second inclined guide posts which respectively correspond to the positions of the four second inclined guide holes and have the same inclination angle, the bottom surfaces of the four sliding grooves are respectively provided with long through holes corresponding to the positions of the four second inclined guide holes, the tops of the four second inclined guide pillars correspondingly penetrate through the four long through holes and then are inserted into the second inclined guide holes, the mold core columns sequentially penetrate through the through holes and the third mold cavity and then are inserted into the first mold cavity, a plurality of push rods are fixed on the top surface of the top plate group, the top ends of the push rods penetrate through the cushion blocks and then are fixed with the bottom surface of the upper mold block, and the second inclined guide holes and the second inclined guide pillars are matched with each other to realize inward sliding or outward sliding of the second forming slide block; a first long-shaped groove is formed in the bottom surface of the first forming sliding block, a slot is formed in the inner side wall of the first long-shaped groove, and a hook block is fixed to the top surface of the cushion block; the top end of the hook block penetrates through the elongated hole of the lower module and then is inserted into the first elongated groove, the transverse part of the top end of the hook block is correspondingly inserted into the slot, the top surface of the lower module is provided with a plurality of guide posts which respectively correspond to the guide holes, and the guide posts are correspondingly inserted into the guide holes;
based on the working principle that the die structure produces products in a die closing state: injecting hot melt for injection molding into a first mold cavity by using a pouring channel, then in the process of continuous injection, respectively flowing the hot melt in the first mold cavity into a second mold cavity and a third mold cavity until the hot melt fills the first mold cavity, the second mold cavity and the third mold cavity, stopping injecting the hot melt, then carrying out pressure maintaining molding in the mold, after the molding is finished, injecting cooling liquid into a cooling channel arranged in a first molding slide block for cooling, after the cooling is finished, solidifying the product, moving down the mold set, moving down the first molding slide block along the strip under the action of clamping of a transverse part of a hook block in a slot in the process of moving down, sliding the two first molding slide blocks outwards under the action of an inclined guide hole and an inclined guide column in the process of moving down, and separating the transverse part of the hook block from the slot after the first molding slide block continuously moves down and slides outwards, the lower die set continuously moves downwards, after the upper part of the die core cylinder leaves the upper die set, the ejector plate set is pushed upwards, the upper die set and the four second forming slide blocks move upwards by pushing of the push rod, in the process of moving upwards, the four second forming slide blocks slide outwards to open the die, the ejector pins are also pushed upwards while the second forming slide blocks open the die so as to drive the forming ejector blocks to also push upwards, therefore, a formed product is pushed downwards from the die core cylinder to complete the die release, after the die release is completed, the die is reset and returns to a die closing state, and finally, the reciprocating forming operation is performed according to the operation sequence; a positioning through hole is arranged at the lower template;
limiting blocks are fixed at the outer side ends and the inner side ends of the groove bottom surfaces of the four sliding grooves;
the mould core comprises a mould core cylinder and is characterized by further comprising an ejector pin, wherein a recess is formed in the top end of the mould core cylinder, an ejector pin channel is formed in the middle of the mould core cylinder, a forming ejector block is inserted into the recess, one end of an ejector pin plate is fixed with the ejector plate group, and the other end of the ejector pin plate is fixedly connected with the forming ejector block after being inserted into the ejector pin channel.
2. The forming mold for integrally formed cups and three-dimensional patterns on cups as claimed in claim 1, further comprising a positioning cylinder, a return spring and a return rod, wherein the top plate set is reset, one end of the positioning cylinder and one end of the return rod are both positioned and fixed on the top plate set, the other end of the positioning cylinder penetrates through the cushion block and the lower module in sequence and then abuts against the bottom surface of the upper module, the return spring is sleeved on the return rod, and two ends of the return spring respectively abut against the top surface of the top plate set and the bottom surface of the cushion block.
3. The integrally formed cup and the mold for forming a three-dimensional pattern thereon according to claim 1, wherein the slot forming structure in the first elongated slot is: one end of the first long-shaped groove is provided with a second long-shaped groove which is vertical to the first long-shaped groove and communicated with the first long-shaped groove, a distance exists between the groove bottom of the second long-shaped groove and the groove bottom of the first long-shaped groove, and a long-shaped block is fixedly embedded in the second long-shaped groove, so that a slot is formed between the groove bottom of the first long-shaped groove and the side surface of the long-shaped block.
4. The mold for forming integrally formed cups and three-dimensional patterns thereon according to claim 1, wherein the lower mold plate is fixed with a support guide post, the top plate set is provided with a guide hole, and the support guide post penetrates through the guide hole and is fixed with the bottom surface of the cushion block.
5. The integrally formed cup and the mold for forming the three-dimensional patterns thereon according to claim 1, wherein the wedge block is fixedly embedded in the inclined surface of the groove, and the inclined surface of the wedge block is attached to the inclined surface of the first forming slide block.
6. The integrally formed cup and the mold for forming a three-dimensional pattern in a cup as claimed in claim 1, wherein a mold clamping ring groove is formed in a side wall of the notch of the groove, and an inclined surface of the mold clamping ring groove is respectively in close contact with an inclined surface of an outer peripheral side of a middle protruding portion of the top of the lower mold block and an inclined surface of an outer side end of the second forming slider.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010356131.9A CN111409238B (en) | 2020-04-29 | 2020-04-29 | Integrated cup and forming die for three-dimensional patterns on cup |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010356131.9A CN111409238B (en) | 2020-04-29 | 2020-04-29 | Integrated cup and forming die for three-dimensional patterns on cup |
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| Publication Number | Publication Date |
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| CN111409238A CN111409238A (en) | 2020-07-14 |
| CN111409238B true CN111409238B (en) | 2022-02-11 |
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| CN113232364B (en) * | 2021-06-07 | 2023-03-28 | 湖北克拉弗特实业有限公司 | Cup cover bending device for paper cup |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228195A1 (en) * | 2009-03-13 | 2010-09-15 | Plastifal | Method for manufacturing an elongated tubular part in a synthetic material and mould used during the implementation of said method |
| CN212554868U (en) * | 2020-04-29 | 2021-02-19 | 宁波技工学校（宁波技师学院） | Integrated cup and forming die for three-dimensional patterns on cup |
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2020
- 2020-04-29 CN CN202010356131.9A patent/CN111409238B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2228195A1 (en) * | 2009-03-13 | 2010-09-15 | Plastifal | Method for manufacturing an elongated tubular part in a synthetic material and mould used during the implementation of said method |
| CN212554868U (en) * | 2020-04-29 | 2021-02-19 | 宁波技工学校（宁波技师学院） | Integrated cup and forming die for three-dimensional patterns on cup |
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| CN111409238A (en) | 2020-07-14 |
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