CN111531797A - Ejection type injection mold with adjustable wall thickness and trademark insert replacement function - Google Patents

Ejection type injection mold with adjustable wall thickness and trademark insert replacement function Download PDF

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Publication number
CN111531797A
CN111531797A CN202010427212.3A CN202010427212A CN111531797A CN 111531797 A CN111531797 A CN 111531797A CN 202010427212 A CN202010427212 A CN 202010427212A CN 111531797 A CN111531797 A CN 111531797A
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CN
China
Prior art keywords
cavity
insert
module
cup
die
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010427212.3A
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Chinese (zh)
Inventor
张恒
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hangzhou Yabang Intelligent Technology Co ltd
Original Assignee
Hangzhou Yabang Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hangzhou Yabang Intelligent Technology Co ltd filed Critical Hangzhou Yabang Intelligent Technology Co ltd
Priority to CN202010427212.3A priority Critical patent/CN111531797A/en
Publication of CN111531797A publication Critical patent/CN111531797A/en
Withdrawn legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/1751Adjustment means allowing the use of moulds of different thicknesses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2602Mould construction elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/26Moulds
    • B29C45/2673Moulds with exchangeable mould parts, e.g. cassette moulds
    • B29C45/2675Mounting of exchangeable mould inserts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/40Removing or ejecting moulded articles
    • B29C45/4005Ejector constructions; Ejector operating mechanisms
    • B29C45/401Ejector pin constructions or mountings
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/64Mould opening, closing or clamping devices
    • B29C45/67Mould opening, closing or clamping devices hydraulic
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/7207Heating or cooling of the moulded articles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17Component parts, details or accessories; Auxiliary operations
    • B29C45/72Heating or cooling
    • B29C45/73Heating or cooling of the mould
    • B29C45/7312Construction of heating or cooling fluid flow channels
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29LINDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2031/00Other particular articles
    • B29L2031/712Containers; Packaging elements or accessories, Packages
    • B29L2031/7132Bowls, Cups, Glasses

Abstract

The invention discloses an ejection type injection mold with adjustable wall thickness and replaceable trademark insert, which comprises a lower mold block and an upper mold block, wherein a mold closing mechanism is fixedly arranged at the upper end of the upper mold block, the upper mold block is tightly attached to the lower mold block by the mold closing mechanism, the distance between symmetrical fixture blocks is adjusted by an adjusting mechanism, the thickness of a plastic cup-shaped blank cavity formed among an inclined edge of a cup wall, the outer surface of a central mold column and the lower wall of a compression mold spring cavity of an outer wall module can be adjusted, an insert block is attached to the inclined edge of the cup wall by an insert block lifting mechanism, insert block-shaped blank cavities are formed among the inner wall of the cup wall insert block, the outer surface of the central mold column and the lower wall of the compression mold spring cavity, and the two blank cavities can be internally injected with molten thermoplastic plastics by an injection molding machine and can be formed into a plastic.

Description

Ejection type injection mold with adjustable wall thickness and trademark insert replacement function
Technical Field
The invention relates to the technical field of plastic cup injection molding equipment, in particular to a push-out type injection mold with adjustable wall thickness and a replaceable trademark insert.
Background
Plastics are used as the most common polymer compounds in daily life, and are applied to many aspects, in the daily life of people, the using amount of the plastic cups is large, manufacturers for producing the plastic cups may need to change trademark patterns and cup wall thicknesses on the plastic cups according to different requirements of customers, and the technical equipment in the prior art is lack of the technical equipment, so that the invention is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the technical problem of providing a push-out type injection mold with adjustable wall thickness and a replaceable trademark insert, and overcomes the problems.
The invention is realized by the following technical scheme.
The invention relates to an ejection type injection mold with adjustable wall thickness and replaceable trademark insert, which comprises a lower bottom plate and an upper fixing plate, wherein a lower plate support is fixedly arranged on the lower bottom plate, a lower module is fixedly arranged on the lower plate support, a die spring cavity is arranged in the lower module, outer wall modules are symmetrically and slidably arranged on the lower wall of the die spring cavity, the outer wall modules are connected with the left wall and the right wall of the die spring cavity through die springs, a limiting clamping groove and a limiting inclined edge are arranged in each outer wall module, a cup wall inclined edge is arranged at the right end of each outer wall module, a cavity of a plastic cup to be injected can be enclosed between the two opposite cup wall inclined edges, a first electromagnet is arranged in each outer wall module, can absorb the cup wall insert, an upper module is arranged opposite to the lower module, a die closing mechanism is arranged on the upper side of the upper module, and can enable the upper module, the upper die block is internally provided with a central guide rod, the upper part of the central guide rod is in threaded connection with the upper die block, a central guide cavity is arranged in the lower die block, the central guide rod extends downwards into the central guide cavity and can slide in the central guide cavity, the lower end of the upper die block is provided with a container inlet cavity in a downward symmetrical opening, a demoulding cylinder cavity is arranged in the upper die block, the upper side of the demoulding cylinder cavity is fixedly provided with a demoulding cylinder, the lower end of the demoulding cylinder is in power connection with a cylinder push rod, a push rod air pipe is arranged in the cylinder push rod, the upper side of the push rod air pipe is connected with an air source in the demoulding cylinder, the lower end of the cylinder push rod is fixedly provided with a central die column, the central die column is internally provided with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe can convey cooling water to, the injection molding machine is characterized in that a push-out sliding block is arranged in the push-out spring cavity in a sliding mode, the push-out sliding block is connected with the upper wall of the push-out spring cavity through a push-out spring, the push-out spring cavity is communicated with the push rod air pipe, the push-out sliding block can be pushed by compressed air in the demolding cylinder to push a plastic cup blank down, a leakage-proof ring is fixedly arranged at the lower end of the upper module around the lower end of the demolding cylinder cavity and can prevent molten plastic from overflowing when the mold is closed, an adjusting mechanism is arranged in the upper module and is used for adjusting the wall thickness of the plastic cup, an insert lifting mechanism is arranged in the lower module and is used for controlling the lifting of corresponding trademark inserts so as to enable the inserts.
Further, the die closing mechanism comprises supporting spring cavities symmetrically arranged in the upper die block, supporting guide rods are arranged in the supporting spring cavities in a sliding mode, the supporting guide rods are connected with the lower walls of the supporting spring cavities through supporting springs, an upper fixing plate is fixedly arranged at the upper ends of the supporting guide rods, the upper fixing plate is fixed, a die closing cylinder is fixedly arranged at the lower end of the upper fixing plate, and the die closing cylinder is connected with the upper die block through a piston rod at the lower end of the die closing cylinder.
Further, the adjusting mechanism comprises an adjusting motor arranged in the upper die block, an adjusting cavity is arranged in the upper die block, the right end of the adjusting motor is in power connection with an adjusting motor shaft, the adjusting motor shaft extends rightwards to enter the adjusting cavity, a first turning worm is fixedly arranged at the right end of the adjusting motor shaft, a second turning worm which is rotatably arranged on the right wall of the adjusting cavity is fixedly arranged at the right end of the first turning worm, a turbine shaft is symmetrically and rotatably arranged on the rear wall of the adjusting cavity, turbines are fixedly arranged on the turbine shaft, the turning directions of the first turning worm and the second turning worm are opposite, the two turbines are respectively meshed with the first turning worm and the second turning worm, a rack cavity is symmetrically arranged at the lower side of the adjusting cavity, and racks which are respectively meshed with the first turning worm and the second turning worm are symmetrically and slidably arranged in the rack cavity, the rack is connected with the left wall and the right wall of the rack cavity through a reset spring, when the adjusting motor shaft drives the first rotating worm and the second rotating worm to rotate, the two racks move oppositely or linearly away from each other through the worm wheel, a clamping block is fixedly arranged at the lower end of the rack, a clamping block baffle is fixedly arranged on the clamping block, a clamping block moving cavity is formed in the downward symmetrical opening of the lower end of the upper die block, the adjusting cavity is communicated with the clamping block moving cavity through a clamping block extending opening, the clamping block baffle can slide along the upper wall of the clamping block moving cavity, and when the clamping block bears upward pressure, the clamping block baffle is pressed on the upper wall of the clamping block moving cavity to provide reaction force.
Further, the insert lifting mechanism comprises a lifting motor arranged in the lower die block, lifting cavities and screw storage cavities are symmetrically arranged in the lower die block, the two lifting cavities are communicated through a through cavity, a driving gear shaft is rotatably arranged between the upper wall and the lower wall of the through cavity, the lower end of the driving gear shaft is in power connection with the lifting motor, a driving gear is fixedly arranged on the driving gear shaft, an insert containing tool is slidably arranged in the lifting cavities, a containing cavity is arranged in the insert containing tool, a second electromagnet is fixedly arranged in the lower wall of the insert containing cavity, a cup wall insert can be contained in the containing cavity, the second electromagnet can adsorb the lower end face of the cup wall insert to fix the cup wall insert, a recess of a trademark character is arranged in the cup wall insert, molten plastic can enter the recess to form the trademark character for enabling the inner wall of the plastic cup to protrude outwards to make the trademark character, the lower end of the insert containing tool is fixedly connected with a screw rod, the screw rod is in threaded connection with a gear nut, the gear nut is a gear with a threaded hole formed in the center of the end face, the gear nut is meshed with the driving gear, nut supports are symmetrically and fixedly arranged in the left wall and the right wall of the lifting cavity, a nut support opening is formed in the nut support in a vertically through mode, a nut support opening is formed in the nut support, the screw rod is rotatably arranged in the gear nut, and the screw rod penetrates through the nut support opening and extends to be located on the lower side of the lower module, and the cavity is contained in.
Furthermore, the outer surface of the front end of the lower module is hinged with a hinge, an insert placing door is fixedly arranged on the hinge, and the hinge is opened through the hinge to place the corresponding cup wall insert into the lower module.
The invention has the beneficial effects that: the symmetrical fixture blocks are adjusted by the adjusting mechanism to be separated by a distance, so that the thickness of a plastic cup-shaped blank cavity formed among the oblique edge of the cup wall on the outer wall module, the outer surface of the central mold column and the lower wall of the compression mold spring cavity can be adjusted, the cup wall insert is attached to the oblique edge of the cup wall by the insert lifting mechanism, an insert blank cavity is formed among the inner wall of the cup wall insert, the outer surface of the central mold column and the lower wall of the compression mold spring cavity, the two blank cavities can be internally injected with molten thermoplastic plastics by the injection molding machine, and a plastic cup-shaped blank can be formed through pressure maintaining, cooling and other stages.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an external schematic view of FIG. 1;
FIG. 3 is an enlarged schematic view at A in FIG. 1;
FIG. 4 is an enlarged schematic view at B of FIG. 1;
FIG. 5 is a schematic view of the structure at C-C in FIG. 4;
FIG. 6 is a schematic view of the upper and lower modules of FIG. 1 shown attached without the insert;
FIG. 7 is an enlarged schematic view at D of FIG. 6;
FIG. 8 is a schematic view of the upper and lower modules of FIG. 1 with the insert installed;
fig. 9 is an enlarged schematic view at E in fig. 8.
Detailed Description
The invention will now be described in detail with reference to fig. 1-9, wherein for ease of description the orientations described below are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The injection mold for ejecting type wall thickness adjustable and trademark insert replacement described in conjunction with fig. 1-9 comprises a lower base plate 10 and an upper fixing plate 25, wherein a lower plate pillar 11 is fixedly arranged on the lower base plate 10, a lower mold block 12 is fixedly arranged on the lower plate pillar 11, a mold spring cavity 15 is arranged in the lower mold block 12, outer wall modules 65 are symmetrically arranged on the lower wall of the mold spring cavity 15 in a sliding manner, the outer wall modules 65 are connected with the left and right walls of the mold spring cavity 15 through mold springs 16, a limiting clamping groove 17 and a limiting bevel edge 18 are arranged in the outer wall modules 65, a cup wall bevel edge 45 is arranged at the right end of the outer wall module 65, a cavity of a cup to be injection-molded is defined between the two opposite cup wall bevel edges 45, a first electromagnet 44 is arranged in the outer wall module 65, the cup wall insert 46 can be adsorbed by the first electromagnet 44, and an upper mold block 19 is arranged opposite to the, a mold clamping mechanism 200 is arranged on the upper side of the upper module 19, the mold clamping mechanism 200 can enable the upper module 19 to lift up and down, a central guide rod 14 is arranged in the upper module 19, the upper part of the central guide rod 14 is in threaded connection with the upper module 19, a central guide cavity 13 is arranged in the lower module 12, the central guide rod 14 extends downwards into the central guide cavity 13 and can slide in the central guide cavity 13, a container inlet cavity 43 is arranged at the downward symmetrical opening of the lower end of the upper module 19, a demolding cylinder cavity 68 is arranged in the upper module 19, a demolding cylinder 42 is fixedly arranged on the upper side of the demolding cylinder cavity 68, a cylinder push rod 66 is dynamically connected to the lower end of the demolding cylinder 42, a push rod air pipe 67 is arranged in the cylinder push rod 66, the upper side of the push rod air pipe 67 is connected with an air source in the demolding cylinder 42, and a central mold column 63, a water inlet pipe 74 and a water outlet pipe 75 are arranged in the central mold column 63, the water inlet pipe 74 and the water outlet pipe 75 can convey cooling water to cool the plastic cup type blank, a push-out spring cavity 71 which is arranged in the central mold column 63 is arranged at the lower side of the push-out air pipe 67, a push-out slider 73 is arranged in the push-out spring cavity 71 in a sliding manner, the push-out slider 73 is connected with the upper wall of the push-out spring cavity 71 through a push-out spring 72, the push-out spring cavity 71 is communicated with the push-out air pipe 67, the push-out slider 73 can be pushed by compressed air in the demolding air cylinder 42 to push down the plastic cup type blank, a leakage-proof ring 69 is fixedly arranged at the lower end of the upper mold block 19 around the periphery of the lower end of the demolding air cylinder cavity 68, the leakage-proof ring 69 can prevent molten plastic from overflowing during mold closing, an insert lifting mechanism 400 is arranged in the lower module 12, and the insert lifting mechanism 400 is used for controlling the lifting of inserts of corresponding trademarks so as to add and withdraw the inserts in and out of the injection molding process.
Advantageously, the clamping mechanism 200 includes support spring cavities 21 symmetrically disposed in the upper mold block 19, support guide rods 23 are slidably disposed in the support spring cavities 21, the support guide rods 23 are connected with lower walls of the support spring cavities 21 through support springs 22, an upper fixing plate 25 is fixedly disposed at upper ends of the support guide rods 23, the upper fixing plate 25 is stationary, a clamping cylinder 27 is fixedly disposed at a lower end of the upper fixing plate 25, and the clamping cylinder 27 is connected with the upper mold block 19 through a piston rod at a lower end of the clamping cylinder 27.
Beneficially, the adjusting mechanism 300 includes an adjusting motor 24 disposed in the upper module 19, an adjusting cavity 26 is disposed in the upper module 19, an adjusting motor shaft 28 is dynamically connected to a right end of the adjusting motor 24, the adjusting motor shaft 28 extends rightwards into the adjusting cavity 26, a first rotating worm 29 is fixedly disposed at a right end of the adjusting motor shaft 28, a second rotating worm 31 rotatably disposed on a right wall of the adjusting cavity 26 is fixedly disposed at a right end of the first rotating worm 29, turbine shafts 32 are symmetrically and rotatably disposed on a rear wall of the adjusting cavity 26, turbine wheels 33 are fixedly disposed on the turbine shafts 32, the first rotating worm 29 and the second rotating worm 31 are opposite in rotating direction, two of the turbine wheels 33 are respectively engaged with the first rotating worm 29 and the second rotating worm 31, a rack cavity 35 is symmetrically disposed at a lower side of the adjusting cavity 26, and a rack cavity 35 is symmetrically and slidably disposed in the rack cavity 35 and respectively engaged with the first rotating worm 29 and the second rotating worm 31 31, the rack 34 is connected to the left and right walls of the rack cavity 35 through a return spring 36, when the adjusting motor shaft 28 drives the first turning worm 29 and the second turning worm 31 to rotate, the two racks 34 move in opposite directions or in a linear direction through the worm wheel 33, a fixture block 39 is fixed to the lower end of the rack 34, a fixture block baffle 38 is fixed to the fixture block 39, a fixture block moving cavity 41 is symmetrically formed in the lower end of the upper die block 19 and opens downward, the adjusting cavity 26 is communicated with the fixture block moving cavity 41 through a fixture block extending opening 37, the fixture block baffle 38 can slide along the upper wall of the fixture block moving cavity 41, and when the fixture block 39 is pressed upward, the fixture block baffle 38 is pressed against the upper wall of the fixture block moving cavity 41 to provide a reaction force.
Advantageously, the insert lifting mechanism 400 includes a lifting motor 54 disposed in the lower module 12, a lifting cavity 51 and a screw receiving cavity 55 are symmetrically disposed in the lower module 12, the two lifting cavities 51 are communicated with each other through a through cavity 59, a driving gear shaft 57 is rotatably disposed between an upper wall and a lower wall of the through cavity 59, a lower end of the driving gear shaft 57 is connected to the lifting motor 54 in a power manner, a driving gear 58 is fixed on the driving gear shaft 57, an insert holder 49 is slidably disposed in the lifting cavity 51, a holder cavity 47 is disposed in the insert holder 49, a second electromagnet 48 is fixed in a lower wall of the holder cavity 47, the cup wall insert 46 can be held in the holder cavity 47, the second electromagnet 48 can attract and fix a lower end face of the cup wall insert 46, a recess of a trademark can be formed in the cup wall insert 46, molten plastic can enter the recess of the trademark to form the trademark, the plastic cup is used for enabling the inner wall of the plastic cup to protrude outwards to make trademark characters, the lower end of the insert containing tool 49 is fixedly connected with a screw 53, the screw 53 is in threaded connection with a gear nut 56, the gear nut 56 is a gear with a threaded hole formed in the center of the end face, the gear nut 56 is meshed with the driving gear 58, nut supports 52 are symmetrically and fixedly arranged in the left wall and the right wall of the lifting cavity 51, nut support openings 76 are formed in the nut supports 52 in a vertically through mode, the screw 53 is rotatably arranged in the gear nut 56, and the screw 53 penetrates through the nut support openings 76 and extends to the lower side of the lower module 12 and is located in the screw accommodating cavity 55.
Advantageously, the outer surface of the front end of the lower module 12 is hinged to a hinge 61, and an insert insertion door 62 is fixedly arranged on the hinge 61, so that the corresponding cup wall insert 46 can be inserted into the lower module 12 by opening the hinge 61 through the hinge 61.
The working steps are as follows: in an initial state, the insert holder 49 is positioned in the lifting cavity 51, and the upper end surface of the insert holder 49 is flush with the lower wall of the die spring cavity 15; firstly, controlling the wall thickness of a plastic cup to be injection-molded, wherein the cup wall insert 46 is not installed at this time, as shown in fig. 6 and 7, if the wall thickness is to be reduced, the adjusting motor 24 is started, and the adjusting motor shaft 28, the first turning worm 29 and the second turning worm 31 drive the two symmetrical turbines 33 to rotate, wherein the rotation directions are opposite, the two racks 34 move in opposite directions, and simultaneously drive the two blocks 39 to move in opposite directions, and the adjusting motor 24 stops after moving for a certain small displacement; the mold closing cylinder 27 is started, a piston rod of the mold closing cylinder 27 pushes the upper mold block 19 to move downwards, the support guide rod 23 and the support spring 22 keep movement stability, the fixture block 39 abuts against the limit inclined edge 18, so that the two outer wall mold blocks 65 move in opposite directions, according to the adjustment of the distance between the two fixture blocks 39 by the adjusting mechanism 300, the displacement of the opposite movement of the outer wall mold blocks 65 is adjusted accordingly, the wall thickness of the plastic cup can be changed, the fixture block 39 abuts against the limit inclined edge 18 and then continues to move downwards until being inserted into the limit clamp groove 17, at the moment, the lower surface of the upper mold block 19 and the upper surface of the lower mold block 12 are completely attached together, and the mold closing cylinder 27 stops; at the moment, the distance between the lower surface of the central mold column 63 and the lower wall of the compression mold spring cavity 15 is the thickness of the bottom of a plastic cup, an insert-free blank cavity 77 is formed between the oblique edge 45 of the cup wall on the two outer wall modules 65, the outer surface of the central mold column 63 and the lower wall of the compression mold spring cavity 15, the insert-free blank cavity 77 is filled with molten thermoplastic plastics through an injection molding machine, so that the plastic cup with a certain thickness can be obtained, the inner wall and the outer wall of the plastic cup are smooth, and the plastic cup is rapidly cooled and shaped under the action of cooling water in the water inlet pipe 74 and the water outlet pipe 75 after the pressure maintaining stage of; the mold closing cylinder 27 rotates reversely, the upper module 19 moves upwards to drive the central mold column 63 to move upwards, at the moment, the fixture block baffle 38 is separated from the limiting clamp groove 17, the outer wall module 65 moves and resets under the action of the mold pressing spring 16, the demolding cylinder 42 is started, the cylinder push rod 66 drives the central mold column 63 to move upwards, the upper end edge of the plastic cup type blank touches the leakage-proof ring 69, the demolding cylinder 42 presses compressed gas into the pushing spring cavity 71 through the push rod air pipe 67 to push the pushing slide block 73 to move downwards, touches the cooled and shaped plastic cup type blank, and the plastic cup falls off by combining the clamping effect of the leakage-proof ring 69 so as to be taken out; if the outer wall of the required plastic cup needs to be marked with the trademark, the process is as shown in fig. 8 and 9, the insert placing door 62 is opened, and the cup wall insert 46 which is to be marked on the outer wall of the plastic cup is placed; the second electromagnet 48 is electrified to adsorb the lower end of the cup wall insert 46, so that the cup wall insert is fixed and does not shake, the lifting motor 54 is started, and the screw 53 and the insert holder 49 are driven to move upwards along the lifting cavity 51 by the driving gear shaft 57, the driving gear 58 and the gear nut 56 until the lower wall of the holder cavity 47 is flush with the lower wall of the die spring cavity 15; the mold closing cylinder 27 is started, the upper module 19 descends, the clamping block 39 is inserted into the limiting clamping groove 17, the two outer wall modules 65 move oppositely, the first electromagnet 44 is started to adsorb the cup wall insert 46 to be attached to the cup wall bevel edge 45, the outer wall modules 65 continue to move oppositely, the distance between the lower surface of the central mold column 63 and the lower wall of the compression mold spring cavity 15 is the cup bottom thickness of the plastic cup, the cup wall inserts 46 on the two cup wall bevel edges 45, the outer surface of the central mold column 63 and the lower wall of the compression mold spring cavity 15 form an insert type blank cavity 78, the insert type blank cavity 78 is filled with molten thermoplastic plastics through an injection molding machine to obtain the plastic cup with a certain thickness, and part of the insert type blank cavity 78 is positioned in the cup wall insert 46, so that the concave volume can be projected to display into a corresponding trademark character pattern, after undergoing the pressure maintaining stage of the injection molding machine, the plastic cup is rapidly cooled and shaped under the action of cooling water in the water inlet pipe 74 and the water outlet pipe 75; after cooling and setting, the plastic cup containing the trademark is removed by the anti-leakage ring 69 and the push-out slider 73, as in the case of the above-mentioned cup wall insert 46.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides an injection mold that liftout adjustable wall thickness and change trade mark were inserted, includes bottom plate and an upper fixed plate, fixed being equipped with the hypoplastron pillar on the bottom plate, fixed being equipped with down the module down on the hypoplastron pillar, be equipped with the moulding-die spring chamber in the module down, the symmetrical slip of moulding-die spring chamber lower wall is equipped with the outer wall module, the outer wall module with be connected through the moulding-die spring between the moulding-die spring chamber left and right walls, its characterized in that: the outer wall module is internally provided with a limiting clamping groove and a limiting bevel edge, the right end of the outer wall module is provided with a cup wall bevel edge, a cavity of a plastic cup to be injected can be enclosed between the two opposite cup wall bevel edges, the outer wall module is internally provided with a first electromagnet, the first electromagnet can adsorb a cup wall insert, an upper module is arranged opposite to the lower module, the upper module is provided with a die assembly mechanism at the upper side, the die assembly mechanism can enable the upper module to lift up and down, a central guide rod is arranged in the upper module, the upper part of the central guide rod is in threaded connection with the upper module, a central guide cavity is arranged in the lower module, the central guide rod extends downwards into the central guide cavity and can slide in the central guide cavity, the lower end of the upper module is provided with a containing tool entering cavity in a downward symmetrical opening manner, a demoulding cylinder cavity is arranged in the upper module, and a demoulding cylinder is fixedly, the lower end of the demoulding cylinder is in power connection with a cylinder push rod, a push rod air pipe is arranged in the cylinder push rod, the upper side of the push rod air pipe is connected with an air source in the demoulding cylinder, a central mold column is fixedly arranged at the lower end of the cylinder push rod, a water inlet pipe and a water outlet pipe are arranged in the central mold column, the water inlet pipe and the water outlet pipe can convey cooling water to cool a plastic cup type blank, a push-out spring cavity positioned in the central mold column is arranged at the lower side of the push rod air pipe, a push-out slide block is arranged in the push-out spring cavity in a sliding mode, the push-out slide block is connected with the upper wall of the push-out spring cavity through a push-out spring, the push-out spring cavity is communicated with the push rod air pipe, compressed air in the demoulding cylinder can push the push-, the leak-proof ring can prevent molten plastics from overflowing when the die is closed, an adjusting mechanism is arranged in the upper die block and used for adjusting the wall thickness of the plastic cup, an insert lifting mechanism is arranged in the lower die block and used for controlling the lifting of the corresponding trademark insert so as to add and withdraw the insert in and out of the injection molding process.
2. An ejector, adjustable wall thickness, and removable trademark insert injection mold as defined in claim 1, wherein: the die closing mechanism comprises supporting spring cavities symmetrically arranged in the upper die block, supporting guide rods are arranged in the supporting spring cavities in a sliding mode, the supporting guide rods are connected with the lower walls of the supporting spring cavities through supporting springs, an upper fixing plate is fixedly arranged at the upper ends of the supporting guide rods, the upper fixing plate is fixed, a die closing cylinder is fixedly arranged at the lower end of the upper fixing plate, and the die closing cylinder is connected with a piston rod of the lower end of the die closing cylinder through the upper die block.
3. An ejector, adjustable wall thickness, and removable trademark insert injection mold as defined in claim 1, wherein: the adjusting mechanism comprises an adjusting motor arranged in the upper die block, an adjusting cavity is arranged in the upper die block, the right end of the adjusting motor is in power connection with an adjusting motor shaft, the adjusting motor shaft extends rightwards to enter the adjusting cavity, a first rotating worm is fixedly arranged at the right end of the adjusting motor shaft, a second rotating worm rotatably arranged on the right wall of the adjusting cavity is fixedly arranged at the right end of the first rotating worm, a turbine shaft is symmetrically arranged on the rear wall of the adjusting cavity, turbines are fixedly arranged on the turbine shaft, the rotating directions of the first rotating worm and the second rotating worm are opposite, the two turbines are respectively meshed with the first rotating worm and the second rotating worm, a rack cavity is symmetrically arranged at the lower side of the adjusting cavity, and racks respectively meshed with the first rotating worm and the second rotating worm are symmetrically arranged in the rack cavity in a sliding manner, the rack is connected with the left wall and the right wall of the rack cavity through a reset spring, when the adjusting motor shaft drives the first rotating worm and the second rotating worm to rotate, the two racks move oppositely or linearly away from each other through the worm wheel, a clamping block is fixedly arranged at the lower end of the rack, a clamping block baffle is fixedly arranged on the clamping block, a clamping block moving cavity is formed in the downward symmetrical opening of the lower end of the upper die block, the adjusting cavity is communicated with the clamping block moving cavity through a clamping block extending opening, the clamping block baffle can slide along the upper wall of the clamping block moving cavity, and when the clamping block bears upward pressure, the clamping block baffle is pressed on the upper wall of the clamping block moving cavity to provide reaction force.
4. An ejector, adjustable wall thickness, and removable trademark insert injection mold as defined in claim 1, wherein: the insert lifting mechanism comprises a lifting motor arranged in the lower die block, lifting cavities and screw storage cavities are symmetrically arranged in the lower die block, the two lifting cavities are communicated through a through cavity, a driving gear shaft is rotatably arranged between the upper wall and the lower wall of the through cavity, the lower end of the driving gear shaft is in power connection with the lifting motor, a driving gear is fixedly arranged on the driving gear shaft, an insert container is arranged in the lifting cavity in a sliding manner, a container cavity is arranged in the insert container, a second electromagnet is fixedly arranged in the lower wall of the container cavity, a cup wall insert can be contained in the container cavity, the second electromagnet can adsorb the lower end face of the cup wall insert to enable the cup wall insert to be fixed, a trademark character pattern is sunken in the cup wall insert, and molten plastic can enter the cup cavity to form a trademark character pattern so as to enable the inner wall of the plastic cup to protrude outwards to make the trademark character pattern, the lower end of the insert containing tool is fixedly connected with a screw rod, the screw rod is in threaded connection with a gear nut, the gear nut is a gear with a threaded hole formed in the center of the end face, the gear nut is meshed with the driving gear, nut supports are symmetrically and fixedly arranged in the left wall and the right wall of the lifting cavity, a nut support opening is formed in the nut support in a vertically through mode, a nut support opening is formed in the nut support, the screw rod is rotatably arranged in the gear nut, and the screw rod penetrates through the nut support opening and extends to be located on the lower side of the lower module, and the cavity is contained in.
5. An ejector, adjustable wall thickness, and removable trademark insert injection mold as defined in claim 1, wherein: the outer surface of the front end of the lower module is hinged with a hinge, an insert placing door is fixedly arranged on the hinge, and the hinge is opened through the hinge to place the corresponding cup wall insert into the lower module.
CN202010427212.3A 2020-05-19 2020-05-19 Ejection type injection mold with adjustable wall thickness and trademark insert replacement function Withdrawn CN111531797A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010427212.3A CN111531797A (en) 2020-05-19 2020-05-19 Ejection type injection mold with adjustable wall thickness and trademark insert replacement function

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010427212.3A CN111531797A (en) 2020-05-19 2020-05-19 Ejection type injection mold with adjustable wall thickness and trademark insert replacement function
GBGB2013813.7A GB202013813D0 (en) 2020-05-19 2020-09-03 Ejection mold with adjustable wall thickness and replacement of brand inserts

Publications (1)

Publication Number Publication Date
CN111531797A true CN111531797A (en) 2020-08-14

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CN (1) CN111531797A (en)
GB (1) GB202013813D0 (en)

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CN110014661A (en) * 2019-05-06 2019-07-16 宁波镇海藤原电子科技有限公司 A kind of high intensity double layer hollow plastic plate process units
CN209616220U (en) * 2019-02-20 2019-11-12 深圳市合川智能科技有限公司 A kind of hot mouth height cup injection mold that thickness difference is big
CN110524803A (en) * 2019-07-31 2019-12-03 陈天保 A kind of injection mold location structure that can be adaptive
CN110614734A (en) * 2019-09-28 2019-12-27 青岛龙泰科服饰有限公司 Sole waste recovery device
CN210061979U (en) * 2019-04-23 2020-02-14 浙江佳友生物科技有限公司 Matched-die type plastic cup die
CN210061978U (en) * 2019-04-23 2020-02-14 浙江佳友生物科技有限公司 Ejection type plastic cup blow molding mold
CN111055403A (en) * 2019-12-27 2020-04-24 永康本元塑料制品有限公司 Plastic molding raw material manufacturing device

Patent Citations (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203171956U (en) * 2013-02-01 2013-09-04 浙江工商职业技术学院 Temperature-adjustable cup injection mold
CN204844683U (en) * 2015-06-09 2015-12-09 深圳市固源塑胶制品有限公司 Injection mold of shortening reaction cup series runner length
CN107253316A (en) * 2017-06-08 2017-10-17 南京益昌模具有限公司 Connect the injection mold of cup
CN107139401A (en) * 2017-07-14 2017-09-08 南京益昌模具有限公司 The injection mold of one cup
CN108705748A (en) * 2017-07-25 2018-10-26 北京化工大学 For injection molding machine or the adaptive clamping of die casting machine precision positioning
CN108621365A (en) * 2018-05-04 2018-10-09 海宁市锦新轴承有限公司 A kind of advanced mold design and manufacturing technology equipment
CN108790047A (en) * 2018-06-04 2018-11-13 安庆市洁达塑业有限公司 A kind of plastic cup injection forming mold
CN209616220U (en) * 2019-02-20 2019-11-12 深圳市合川智能科技有限公司 A kind of hot mouth height cup injection mold that thickness difference is big
CN210061979U (en) * 2019-04-23 2020-02-14 浙江佳友生物科技有限公司 Matched-die type plastic cup die
CN210061978U (en) * 2019-04-23 2020-02-14 浙江佳友生物科技有限公司 Ejection type plastic cup blow molding mold
CN110014661A (en) * 2019-05-06 2019-07-16 宁波镇海藤原电子科技有限公司 A kind of high intensity double layer hollow plastic plate process units
CN110524803A (en) * 2019-07-31 2019-12-03 陈天保 A kind of injection mold location structure that can be adaptive
CN110614734A (en) * 2019-09-28 2019-12-27 青岛龙泰科服饰有限公司 Sole waste recovery device
CN111055403A (en) * 2019-12-27 2020-04-24 永康本元塑料制品有限公司 Plastic molding raw material manufacturing device

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