CN211492643U

CN211492643U - Plastic-coated mold convenient to maintain

Info

Publication number: CN211492643U
Application number: CN201922427235.XU
Authority: CN
Inventors: 胡汉宜
Original assignee: Wenzhou Fengshuo Mold Technology Co ltd
Current assignee: Wenzhou Fengshuo Mold Technology Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-09-15
Anticipated expiration: 2029-12-29

Abstract

The utility model relates to a mould field is moulded to the package, concretely relates to mould is moulded to package convenient to maintain, including last die carrier bottom plate, go up the die carrier, go up mould benevolence, lower die carrier and lower die carrier bottom plate, be equipped with thimble fixed plate between lower die carrier and the lower die carrier bottom plate, be fixed with a plurality of thimbles on the thimble fixed plate, go up and install the metalwork product that takes in between mould benevolence and the lower mould benevolence, participate in and can insert on the lower mould benevolence, the below of participating in is equipped with inserts the footstep needle of lower mould benevolence has on the lower mould benevolence plug pin hole and footstep pinhole, the plug pin hole with participate in the adaptation, the footstep pinhole with the footstep needle adaptation, the upper end of footstep needle contradict in participate in the lower extreme of footstep needle is installed on the. The utility model discloses a set up in the below of participating in and can insert lower mould benevolence and fix the ejector pin needle on thimble fixed plate, can be convenient for clear up the pin hole, make the package mould be convenient for maintain.

Description

Plastic-coated mold convenient to maintain

Technical Field

The utility model relates to a mould technical field is moulded to the package, concretely relates to mould is moulded to package convenient to maintain.

Background

The die refers to various dies and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to shape an article, the tool being made up of various parts, and different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The element has the name of "industrial mother".

In the current design of mould is moulded to belted copper spare package, when the copper spare is once moulded to the package, the mold insert is now made to the department of participating in to the copper spare, takes place occasionally because of the copper spare is not put well to cause to participate in the hole and advance to glue and lead to the mould stifled dead phenomenon during production, needs to dismantle the mould when the remaining plastic of department is participated in the clearance, wastes time and energy, also leads to production efficiency low. In view of the above-mentioned shortcomings, the present invention provides an improvement.

Disclosure of Invention

In order to overcome the not enough of background art, the utility model provides a mould is moulded to package convenient to maintain sets up through the below of participating in and can insert lower mould benevolence and fix the ejector pin needle on thimble fixed plate, can be convenient for clear up the pin hole, makes the mould is moulded to package convenient to maintain.

The utility model adopts the technical proposal that: the utility model provides a mould is moulded to package convenient to maintain, is equipped with thimble fixed plate between lower die carrier and the lower die carrier bottom plate including last die carrier bottom plate, last die core, lower die carrier and lower die carrier bottom plate, be fixed with a plurality of thimbles on the thimble fixed plate, go up and install the metalwork product of participating in the area between the die core and the lower die core, it can insert to participate in insert in the lower die core, the below of participating in is equipped with inserts the footstep needle of lower die core has on the lower die core a pin hole and a footstep pinhole, the footstep hole with participate in the adaptation, the footstep pinhole with the upper end of footstep needle adaptation, the upper end of footstep needle contradict in participate in, the lower extreme of footstep needle is installed on the thimble.

In the technical scheme, the pins of the metal part product need to be exposed outside after the plastic coating is finished, so that the pin holes matched with the pins are formed in the lower die core, the pin pins installed on the pin fixing plate can move along with the pin fixing plate, when the pins of the metal part product are not placed to cause the pins to enter the glue, the pin pins can be upwards ejected out of the pin holes along with the pin fixing plate when moving together, so that the residual plastic in the pins can be ejected out, the pins can be cleaned without disassembling the die, the abnormal risk of the die is reduced, and the time wasted due to die maintenance is also reduced.

In order to make the package mould shaping package product better, be equipped with the design groove on the lower mould benevolence, be equipped with the design boss in the design groove, participate in the hole and establish the middle part of design boss has the low outside high inclined plane in, the side of participating in can contradict in the bottom on inclined plane.

In order to facilitate the pin jack to clean the pin jack and enable the pin jack to have enough strength, the pin jack penetrates through the lower die core and is located at the shaping boss, the pin jack is thin in the upper portion and thick in the lower portion, the upper end of the pin jack is a flat end, the lower end of the pin jack is a cylindrical end, a connecting curved surface is formed between the flat end and the cylindrical end, the top of the flat end is provided with a top boss and a groove, the top boss is matched with the shaping boss, one side of the top boss is provided with an inclined plane with a low inner portion and a high outer portion, the other side of the top boss is provided with a top surface, and the pin jack matched with the pins is formed between the.

Preferably, the pin is flat and flaky, the bottom of the pin is provided with a tip, the longitudinal section of the tip is isosceles trapezoid, and the bottom of the tip can abut against the bottom of the groove.

Preferably, a longitudinal limiting step is arranged in the pin jacking pinhole, and the limiting step can limit the pin.

Preferably, the cylinder end is provided with a cylinder body and a circular boss, the thimble fixing plate is divided into a base plate and a fixing base plate, the cylinder end is embedded on the base plate through the cylinder body and the circular boss, and one side of the circular boss abuts against the fixing base plate.

Preferably, the metal part product is provided with a strip-shaped main body, the pin is perpendicular to the strip-shaped main body, the strip-shaped main body of the metal part product is positioned through a plurality of positioning pins, and the strip-shaped main body is provided with positioning holes matched with the positioning pins.

To sum up, the utility model discloses beneficial effect does:

1. the pin pins which can be inserted into the lower die core and fixed on the pin fixing plate are arranged below the pins, so that the pin holes can be conveniently cleaned, and the plastic-coated die is convenient to maintain;

2. the pin ejecting hole penetrates through the lower die core to enable the pin ejecting needle to penetrate through the lower die core and also enable the pin ejecting needle to have a larger cross section size, so that the pin ejecting needle can have enough strength, the pin ejecting needle is designed to be thin in the upper part and thick in the lower part, the upper end of the pin ejecting needle is a flat end, the lower end of the pin ejecting needle is a cylindrical end, a connecting curved surface is formed between the flat end and the cylindrical end, and the pin ejecting needle can be further guaranteed to have enough strength;

3. the top boss that footstep needle top has and the adaptation of design boss be convenient for injection moulding to mould to the metalwork product package, can form between recess that footstep needle top has and the lower mould benevolence with the participate in the hole of participating in the adaptation, not only be convenient for pack into participate in, also can be convenient for clear up the pin hole when the footstep needle is ejecting.

The invention is further described with reference to the accompanying drawings and the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic view of the plastic-coated mold of the present invention;

FIG. 2 is a schematic view of the positions of the upper mold core and the lower mold core of the present invention;

FIG. 3 is a schematic view of the metal part product of the present invention mounted on the lower mold insert;

FIG. 4 is an enlarged view taken at A in FIG. 3;

FIG. 5 is an enlarged view at B in FIG. 4;

FIG. 6 is an enlarged view of the shaping groove of the lower mold insert of the present invention;

FIG. 7 is an enlarged view of the pin hole of the lower mold core of the present invention;

FIG. 8 is a schematic view of the thimble and the plastic-coated metal member of the present invention;

FIG. 9 is a schematic bottom view of a plastic coated metal part product according to the present invention;

FIG. 10 is a schematic structural view of the thimble according to the present invention;

FIG. 11 is an enlarged view at C of FIG. 9;

FIG. 12 is an enlarged view taken at D of FIG. 10;

marked in the figure, 1-an upper die frame bottom plate, 2-an upper die frame, 3-an upper die core, 4-a lower die core, 5-a lower die frame, 6-a lower die frame bottom plate, 7-an ejector pin fixing plate, 8-an ejector pin, 9-a pin, 10-a metal piece product, 11-an ejector pin, 12-a pin hole, 13-a pin hole, 14-a shaping groove, 15-a shaping boss, 16-a slant surface, 17-a plastic coating table, 18-a pin groove, 19-a supporting table, 20-a flat end, 21-a cylindrical end, 22-a connecting curved surface, 23-an ejection boss, 24-a groove, 25-a top surface, 26-a tip end, 27-a limiting step, 28-a cylindrical body, 29-a circular boss, 30-a backing plate and 31-a fixing bottom plate, 32-strip-shaped main body, 33-positioning needle and 34-positioning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 12 in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

In order to make the purpose, technical solution and advantages of the present invention clearer, the following will combine the drawings in the embodiments of the present invention to perform more detailed description on the technical solution in the embodiments of the present invention.

As shown in fig. 1 to 12, the plastic-coated mold convenient for maintenance disclosed in this embodiment includes an upper mold base bottom plate 1, an upper mold base 2, an upper mold core 3, a lower mold core 4, a lower mold base 5, and a lower mold base bottom plate 6, a thimble fixing plate 7 is disposed between the lower mold base 5 and the lower mold base bottom plate 6, a plurality of thimbles 8 are fixed on the thimble fixing plate 7, a metal piece product 10 with pins 9 is arranged between the upper die core 3 and the lower die core 4, the pins 9 can be inserted into the lower die core 4, the lower part of the pin 9 is provided with a pin 11 inserted into the lower die core 4, the lower die core 4 is provided with a pin hole 12 and a pin hole 13, the pin hole 12 is matched with the pin 9, the pin hole 13 is matched with the pin 11, the upper end of the pin 11 is abutted against the pin 9, the lower end of the pin 11 is arranged on the pin fixing plate 7, and the pin 9 can be ejected out of the lower die core 4 by the pin 11.

In the technical scheme, the pins 9 of the metal piece product 10 are required to be exposed outside after the plastic coating is finished, so that the pin holes 12 matched with the pins 9 are formed in the lower die core 4, the pin 11 installed on the pin fixing plate 7 can move along with the pin fixing plate 7, when the pins 12 enter the glue due to the fact that the pins 9 of the metal piece product 10 are not placed well in the plastic coating process, the pin 11 can be ejected upwards from the pin holes 12 along with the pin fixing plate 7, so that residual plastic in the pin holes 12 can be ejected, the pin holes 12 can be cleaned without disassembling a die, the abnormal risk of the die is reduced, and the time wasted due to die maintenance is also reduced. The metal part product 10 is a copper part product or an iron part product, in this embodiment, the metal part product 10 is a copper part product, the mold is opened after the injection molding of the injection molding machine is completed, then the ejector pin fixing plate 7 is ejected upwards, the ejector pin fixing plate 7 drives the ejector pin 8 and the ejector pin 11 to be ejected upwards together, and thus the ejector pin 11 can eject the pins 9 or residual plastic. The upper die frame bottom plate 1, the upper die frame 2, the upper die core 3, the lower die core 4, the lower die frame 5, the lower die frame bottom plate 6, the thimble fixing plate 7, the thimble 8 and the metal piece product 10 with the pin 9 all belong to the prior art, and are not specifically described herein.

In order to make the plastic-coated mold better mold a plastic-coated product, a fixing groove 14 is formed in the lower mold core 4, a fixing boss 15 is arranged in the fixing groove 14, the pin hole 12 is formed in the middle of the fixing boss 15, an inclined plane 16 with a low inside and a high outside is formed on the fixing boss 15, and the side surface of the pin 9 can abut against the bottom end of the inclined plane 16. The base pins 9 are perpendicular to the main body of the metal piece product 10, the lower mold core 4 is provided with the shaping groove 14, so that a thicker plastic coating table 17 can be formed at the right-angled corner of the metal piece product 10, the shaping groove 14 is internally provided with the shaping boss 15, the base pins 9 can be formed into base pin grooves 18 surrounding the base pins 9 after plastic coating, the inclined planes 16 on the shaping boss 15 can form supporting tables 19 surrounding the base pins 9 in the base pin grooves 18, the base pin 9 can be better supported by the plastic coating table 17 and the supporting tables 19, and the base pins 9 can be firmer and more durable.

In order to facilitate the pin 11 to clean the pin hole 12 and enable the pin 11 to have sufficient strength, the pin hole 13 penetrates through the lower die core 4 and is located at the shaping boss 15, the pin 11 is thin and thick at the top, the upper end is a flat end 20, the lower end is a cylindrical end 21, a connecting curved surface 22 is formed between the flat end 20 and the cylindrical end 21, a top boss 23 and a groove 24 are arranged at the top of the flat end 20, the top boss 23 is matched with the shaping boss 15, an inclined plane 16 with a low inner part and a high outer part is arranged at one side of the top boss 23, a top surface 25 is arranged at the other side of the top boss 23, and the pin hole 12 matched with the pin 9 is formed between the groove 24 and the lower die core 4. The flat end 20 of the pin 11 is in a flat sheet shape, the cylindrical end 21 is in a cylindrical shape, the transition of the flat end 20 and the cylindrical end 21 adopts a connecting curved surface 22 to facilitate processing, the whole pin 11 is integrally formed, the pin 11 is thin at the top and thick at the bottom, the diameter of the cross section of the cylindrical end 21 is larger than the length of the cross section of the flat end 20, thus the pin 11 can have enough strength, and the pin 9 or residual plastic can be better ejected, after the pin 11 is assembled in the pin hole 13 of the lower mold core 4, the inclined plane 16 on one side of the boss 23 is matched with the inclined plane 16 on the sizing boss 15 to form a support platform 19 surrounding the pin 9 in the pin groove 18, the top surface 25 on the other side of the boss 23 can be flush with the bottom surface of the sizing groove 14, so as to form a plastic-coated platform 17 during injection molding, the pin 9 can be inserted into the pin hole 12 formed between the groove 24 and the lower mold core 4, when the ejector pin 11 moves together with the ejector fixing plate 7 and is ejected upwards, the ejector pin 11 is ejected out of the ejector pin hole 13, the ejector pin 11 ejects the plug pins 9 upwards through the grooves 24, the ejector pin hole 13 penetrates through the lower die core 4, so that the ejector pin 11 can penetrate through the lower die core 4, the ejector pin 11 also has a large cross section size, and the ejector pin 11 is guaranteed to have enough strength.

The pin 9 is in a flat sheet shape, the bottom of the pin 9 is provided with a tip 26, the longitudinal section of the tip 26 is in an isosceles trapezoid shape, and the bottom of the tip 26 can abut against the bottom of the groove 24. The tip 26 has inclined surfaces 16 on both sides thereof, and when the thimble 11 is ejected from the thimble hole 13, the bottom of the groove 24 pushes the entire pin 9 against the bottom of the tip 26.

The inside of the pin jacking pinhole 13 is provided with a longitudinal limiting step 27, and the limiting step 27 can limit the pin 9. The retention step 27 is provided to better retain the prongs 9 within the prong apertures 12 and also to facilitate the ejection of the prongs 9 from the prong apertures 12 by the ejector pins 11.

The cylindrical end 21 is provided with a cylindrical body 28 and a circular boss 29, the thimble fixing plate 7 is divided into a backing plate 30 and a fixing bottom plate 31, the cylindrical end 21 is embedded on the backing plate 30 through the cylindrical body 28 and the circular boss 29, and one side of the circular boss 29 is abutted against the fixing bottom plate 31. The backing plate 30 is provided with a through hole and a boss groove, the cylindrical body 28 passes through the through hole on the backing plate 30, the circular boss 29 is clamped in the boss groove on the backing plate 30, the fixing bottom plate 31 can be abutted against the circular boss 29 when being attached to the backing plate 30, and thus the thimble 11 is fixed on the thimble fixing plate 7 through the cylindrical end 21.

The metal product 10 is provided with a strip-shaped main body 32, the plug pins 9 are perpendicular to the strip-shaped main body 32, the strip-shaped main body 32 of the metal product 10 is positioned through a plurality of positioning pins 33, and the strip-shaped main body 32 is provided with positioning holes 34 matched with the positioning pins 33. The positioning pin 33 can position the metal piece product 10, so that the metal piece can be conveniently installed and coated with plastic. The positioning pin 33 belongs to the prior art and is not specifically described herein.

The working mode is as follows: during the plastic-coated process, when the pins 9 of the metal piece product 10 are not placed to cause the pins 12 to enter the glue, the ejector pins 11 move together with the ejector pin fixing plate 7 and can be ejected upwards from the pins 12, so that residual plastic in the pins 12 can be ejected out, the insert arranged below the copper piece pins 9 in the prior art is replaced by the ejector pins 11 fixed on the ejector pin fixing plate 7, the ejector pins 11 can move together with the ejector pin fixing plate 7, so that the residual plastic in the pins 12 can be ejected out conveniently under the condition that a mold is not detached, the plastic-coated mold is convenient to maintain, and the production efficiency is improved.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concept is not limited to this embodiment, and any modification that utilizes the inventive concept is intended to be within the scope of the present patent application.

Claims

1. The utility model provides a mould is moulded to package convenient to maintain, is equipped with thimble fixed plate between lower die carrier and the lower die carrier bottom plate including last die carrier bottom plate, last die carrier, last mould benevolence, lower die carrier and lower die carrier bottom plate, is fixed with a plurality of thimbles on the thimble fixed plate, its characterized in that: the upper die core and the lower die core are provided with a metal piece product with pins, the pins can be inserted into the lower die core, the lower parts of the pins are provided with ejector pins inserted into the lower die core, the lower die core is provided with pin holes and ejector pin holes, the pin holes are matched with the pins, the ejector pin holes are matched with the ejector pins, the upper ends of the ejector pins are abutted against the pins, the lower ends of the ejector pins are arranged on the ejector pin fixing plate, and the ejector pins can eject the pins from the lower die core.

2. The easy-to-maintain plastic-covered mold according to claim 1, wherein: the lower die core is provided with a shaping groove, a shaping boss is arranged in the shaping groove, the pin hole is formed in the middle of the shaping boss, an inclined plane with a low inside and a high outside is formed in the shaping boss, and the side face of the pin can be abutted to the bottom end of the inclined plane.

3. The easy-to-maintain plastic-covered mold according to claim 2, wherein: the pin ejecting needle hole penetrates through the lower die core and is located at the shaping boss, the pin ejecting needle is thin in upper portion and thick in lower portion, the upper end is a flat end, the lower end is a cylindrical end, a connecting curved surface is formed between the flat end and the cylindrical end, a boss ejecting and a groove are formed in the top of the flat end, the boss ejecting is matched with the shaping boss, an inclined plane with a low inner portion and a high outer portion is formed in one side of the boss ejecting, a top surface is formed in the other side of the boss ejecting, and a pin inserting hole matched with the pin inserting hole is formed between the groove and the lower die core.

4. The easy-to-maintain plastic-covered mold according to claim 3, wherein: the plug pins are flat and flaky, the bottom of each plug pin is provided with a tip, the longitudinal section of each tip is isosceles trapezoid, and the bottom of each tip can be abutted against the bottom of the corresponding groove.

5. The easy-to-maintain plastic-covered mold according to claim 4, wherein: the pin ejecting holes are internally provided with longitudinal limiting steps which can limit the pins.

6. The easy-to-maintain plastic-covered mold according to claim 5, wherein: the cylinder end has cylinder body and round boss, thimble fixed plate divide into backing plate and PMKD, and the cylinder end inlays through cylinder body and round boss on the backing plate, one side of round boss contradict in PMKD.

7. The easy-to-maintain plastic-covered mold according to claim 6, wherein: the metal part product is provided with a strip-shaped main body, the pin is perpendicular to the strip-shaped main body, the strip-shaped main body of the metal part product is positioned through a plurality of positioning pins, and the strip-shaped main body is provided with positioning holes matched with the positioning pins.