CN104943092A - Workpiece taking structure with movable core plastic injection mould - Google Patents
Workpiece taking structure with movable core plastic injection mould Download PDFInfo
- Publication number
- CN104943092A CN104943092A CN201510373840.7A CN201510373840A CN104943092A CN 104943092 A CN104943092 A CN 104943092A CN 201510373840 A CN201510373840 A CN 201510373840A CN 104943092 A CN104943092 A CN 104943092A
- Authority
- CN
- China
- Prior art keywords
- moving core
- push rod
- mould
- counterdie
- limited block
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- 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
- B29C45/2602—Mould construction elements
-
- 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
- B29C45/40—Removing or ejecting moulded articles
- B29C2045/4063—Removing or ejecting moulded articles preventing damage to articles caused by the ejector
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a workpiece taking structure with a movable core plastic injection mould, which comprises an upper mould assembly and a lower mould assembly, wherein the upper mould assembly comprises a fixing plate and an upper mould arranged on the fixing plate, and is further provided with at least one oblique pin; the lower mould assembly comprises a bottom plate and a lower mould arranged on the bottom plate; a plastic injection cavity is formed after the upper mould and the lower mould are closed; at least one sliding block pushed by the oblique pin is arranged on the lower mould; a side loose core is arranged on the sliding block; the lower mould is internally provided with a movable core; at least one limiting block is further arranged on the lower mould; one end of the limiting block is matched and stuck with the movable core; and a first push rod pushing the limiting block to move horizontally and a second push rod pushing the movable core to move vertically are further arranged on the lower mould. According to the workpiece taking structure, through mould structural development, the movable core is separated from workpieces during mould separation, and the workpieces are taken out one by one, so that the labor intensity is reduced and the production efficiency is improved greatly, and the workpiece taking structure can be widely applied to the field of the plastic injection modules with the movable cores.
Description
Technical field
The present invention relates to injection mould field, especially relate to a kind of pickup structure with moving core injection mould.
Background technology
In moulding processing, in order to meet the needs of Product Process intensity or use, free needs installs metal insert additional in moulding, as worked the metal insert increasing product local strength, is injection-moulded in the structures such as the conductive metal sheet in product.For meeting Shooting Technique requirement, usually can adopt moving core structure, adding man-hour carrying out product, first moving core be taken out, load onto metal insert, then put into mould in entirety and carry out injection mo(u)lding.But, in existing mold design, moving core is all together take out from mould with product usually, then, moving core is being separated with product, because the package power after injection moulding between product and moving core is large by manual operations, by manual pickup, labour intensity is large, especially some metal inserts is inserted to the structure of moving core inside, and its taking-up power is just larger.And artificial by the process of some light instrument pickups, easily product is damaged, cause parts scrap.
Summary of the invention
The object of this invention is to provide a kind of pickup structure with moving core injection mould, solve existing injection molded part and moving core mask work intensity large, the problem wasted time and energy.
The technical solution adopted for the present invention to solve the technical problems is: a kind of pickup structure with moving core injection mould, comprise mould assembly and lower mould assembly, described upper mould assembly comprises fixed head and is arranged on the patrix on fixed head, is also provided with at least one taper pin; Described lower mould assembly comprises base plate, is arranged on the counterdie on base plate, forms an injection molding cavity, counterdie is at least provided with a slide block promoted by taper pin, slide block is provided with a side core-pulling after upper die and lower die are closed; A moving core is provided with in described counterdie.Counterdie is also at least provided with a limited block, and described limited block one end coordinates stuck with moving core, is also provided with and promotes the first push rod that limited block moves horizontally and the second push rod promoting moving core vertical motion.
Further, the side of described moving core is provided with a stopper slot, and described limited block is a L-type structure, and the diameter of described first push rod is greater than the degree of depth that limited block stretches into stopper slot.
Further, described base plate and lower intermode are also provided with back-up block, and base plate is also provided with end needle plate and face needle plate, and described first push rod and the second push rod are fixedly installed between end needle plate and face needle plate; Needle plate of the described end coordinates with the push rod on injection machine.
For ensure pickup complete after end needle plate and face needle plate can Rapid reset, described needle plate and lower intermode are also provided with one group of back-moving spring.
Beneficial effect of the present invention: by arranging limited block and the first push rod on counterdie, in the process of parting, first moving core is fixed by limited block, push rod is utilized first to be separated with moving core by product, by the first push rod, limited block is departed from moving core again, the second push rod is finally utilized to be exited by moving core, thus complete being separated of pickup and product and moving core, do not need by hand product to be separated with moving core, reduce labour intensity, and it is not pickup is more reliable, fragile.Structure synchronization of the present invention is good, dependable performance, and required drive is little, and energy consumption is low.Meanwhile, just can metal insert be installed on moving core outward at mould, then put into counterdie together, carry out injection mo(u)lding, can working (machining) efficiency be improved.Described back-moving spring, can make end needle plate and face needle plate drive the first push rod and the second push rod to get back to initial position, to carry out injection moulding next time after taking-up moving core.
Below with reference to drawings and Examples, the present invention is described in detail.
Accompanying drawing explanation
Fig. 1 is the sectional view under mold closed condition of the present invention.
Fig. 2 is the partial enlarged drawing of A-A in Fig. 1.
Fig. 3 is the sectional view under mould die opening state of the present invention.
Fig. 4 is the perspective view of moving core of the present invention and limited block.
Detailed description of the invention
Embodiment, as shown in Figures 1 to 4, a kind of pickup structure with moving core injection mould, comprises mould assembly and lower mould assembly, and described upper mould assembly comprises fixed head 1 and is arranged on the patrix 2 on fixed head 1, and upper mould assembly is also provided with injection molding sprue.Also be provided with taper pin 3, described taper pin 3 can arrange one also can be symmetrical set two taper pins 3.Taper pin 3 is that acute angle is arranged with the center line of mould, and preferably, taper pin 3 is 30 ~ 45 ° with the angle of the center line of mould.Coordinate with taper pin 3, the counterdie 5 of lower mould assembly is provided with slide block 6, slide block 6 is provided with the inclined hole suitable with taper pin 3, taper pin 3 inserts in inclined hole.When upper mould assembly moves up and down, under the effect of taper pin 3, slide block 6 horizontal slip on counterdie 5.For ensureing that the position of slide block 6 can not offset, counterdie 5 being also provided with a slide rail 16 arranged along slide block moving direction, correspondingly on described slide block 6 being provided with chute, slide block 6 is ridden and is located on slide rail 16.It should be noted that; the technical scheme of the present invention's protection is not limited to this type of rail structure; also can be other structures as dove tail, as long as can ensure that the rail structure form of slide block along fixing horizontal direction movement is all in protection scope of the present invention.Described slide block 6 is also provided with the side core-pulling 8 that a product is shaping, under mold closed condition, side core-pulling 8 is positioned at injection molding cavity, when mould is separated, taper pin 3 is with movable slider 6 to both sides motion, thus side core-pulling 8 and product are departed from, and product can be taken out from counterdie.
Described patrix 2 and a counterdie 5 closed rear formation injection molding cavity, concrete, patrix 2 is provided with patrix insert 21, counterdie 5 is provided with counterdie insert 51, between patrix insert 21 and counterdie insert 51, form injection molding cavity 17.A moving core 7 is also provided with in described counterdie 5.Counterdie 5 is also provided with the limited block 9 for fixing moving core 7, and described limited block 9 can arrange one, also can arrange two, preferably arranges two, like this, and mould stressed more even.Described limited block 9 one end coordinates stuck with moving core 7, is also provided with and promotes the first push rod 10 that limited block 9 moves horizontally and the second push rod 11 promoting moving core 7 vertical motion.First push rod 10 is consistent with the number of limited block 9.The side of described moving core 7 is provided with a stopper slot 71, and described limited block 7 is a L-type structure, and the diameter of described first push rod 10 is greater than the degree of depth that limited block 9 stretches into stopper slot 71.By the first push rod 10, limited block 9 is released in the stopper slot 71 of moving core 7, and then by the second push rod 11, moving core 7 is ejected.
Described lower mould assembly also comprises base plate 4, is arranged on the back-up block 12 between base plate 4 and counterdie 5, and base plate 4 is also provided with end needle plate 13 and face needle plate 14, and described first push rod 10 and the second push rod 11 are fixedly installed between end needle plate 13 and face needle plate 14.End needle plate 13 is also provided with the 3rd push rod (not marking in figure) promoting product and eject.Needle plate of the described end 13 coordinates with the push rod on injection machine.Between face needle plate 14 and counterdie 5, be also provided with one group of back-moving spring 15, enable end needle plate and face needle plate returning quickly after pickup, just carried out injection moulding next time.
In design the present invention, it is significant to note that mould is from being closed to open mode, and the required distance of slide block movement is greater than the diameter of the first push rod, make between moving core and slide block, have enough spaces to exit from moving core for limited block.One end that described limited block coordinates with the first push rod is provided with ramp structure, and the first push rod is also provided with ramp structure, has enable the first push rod pass in and out smoothly between moving core and limited block, limited block is extruded moving core.The idle stroke of described second push rod requires the idle stroke being greater than the first push rod, promotes moving core again eject counterdie after having made the first push rod be extruded from moving core by limited block by the second push rod.
Opening stroke of the present invention is as follows: during die sinking, and taper pin is first with movable slider to slide to both sides, and when taper pin is separated with slide block, the side core-pulling on slide block departs from from product.Then the push rod of injection machine promotes end needle plate and moves upward, and is first ejected by product by the 3rd push rod, now, because limited piece of moving core is stuck, can not move upward, and can complete being separated of product and moving core, first be taken out by product.Push rod drives end needle plate to continue to move upward, and the first push rod first contacts with limited block, and is extruded from moving core by limited block, makes moving core depart from the constraint of limited block.Push rod continues to move up to the bottom that the second push rod withstands on moving core, promote moving core to depart from counterdie, then taken out by moving core, push rod resets, and end needle plate and face needle plate and assembly fixed thereon get back to initial position under the elastic force effect of return spring.Now, can put into the next moving core having installed metal insert, matched moulds, carries out the injection moulding of next product.Product, by the improvement of mould self structure, is separated with moving core by the present invention automatically, compared with product is separated with moving core by traditional-handwork, greatly reduces labour intensity, improves production efficiency.And can effectively prevent the product caused when product is separated with moving core from damaging problem.
Claims (6)
1. the pickup structure with moving core injection mould, comprise mould assembly and lower mould assembly, it is characterized in that: described upper mould assembly comprises fixed head (1) and is arranged on the patrix (2) on fixed head (1), is also provided with at least one taper pin (3); Described lower mould assembly comprises base plate (4), be arranged on the counterdie (5) on base plate (4), patrix (2) and counterdie (5) closed rear formation injection molding cavity, counterdie (5) is at least provided with a slide block (6) promoted by taper pin (3), slide block (6) is provided with a side core-pulling (8); A moving core (7) is provided with in described counterdie (5);
Counterdie (5) is also at least provided with a limited block (9), described limited block (9) one end coordinates stuck with moving core (7), is also provided with and promotes the first push rod (10) that limited block (9) moves horizontally and the second push rod (11) promoting moving core (7) vertical motion.
2. the pickup structure of band moving core injection mould as claimed in claim 1, it is characterized in that: the side of described moving core (7) is provided with a stopper slot (71), described limited block (7) is a L-type structure, and the diameter of described first push rod (10) is greater than the degree of depth that limited block (9) stretches into stopper slot (71).
3. the pickup structure of band moving core injection mould as claimed in claim 1, it is characterized in that: between described base plate (4) and counterdie (5), be also provided with back-up block (12), base plate (4) is also provided with end needle plate (13) and face needle plate (14), and described first push rod (10) and the second push rod (11) are fixedly installed between end needle plate (13) and face needle plate (14); Needle plate of the described end (13), coordinates with the push rod on injection machine.
4. the pickup structure of band moving core injection mould as claimed in claim 3, is characterized in that: be also provided with one group of back-moving spring (15) between described needle plate (14) and counterdie (5).
5. the pickup structure of band moving core injection mould as claimed in claim 1, is characterized in that: described counterdie (5) is provided with slide rail (16), and described slide block (6) is in the upper horizontal slip of slide rail (16).
6. the pickup structure of band moving core injection mould as claimed in claim 1, it is characterized in that: described taper pin (3) is symmetrically set with two, slide block (6) corresponding with it is also provided with two, described limited block (9) is respectively provided with 1 in the left and right of moving core (7), and corresponding the first push rod (10) is also provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373840.7A CN104943092B (en) | 2015-06-29 | 2015-06-29 | A kind of pickup structure with moving core injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510373840.7A CN104943092B (en) | 2015-06-29 | 2015-06-29 | A kind of pickup structure with moving core injection mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104943092A true CN104943092A (en) | 2015-09-30 |
| CN104943092B CN104943092B (en) | 2018-01-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510373840.7A Active CN104943092B (en) | 2015-06-29 | 2015-06-29 | A kind of pickup structure with moving core injection mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104943092B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443676A (en) * | 2017-08-25 | 2017-12-08 | 贾聪聪 | A kind of injection machine with positioning function |
| CN109927235A (en) * | 2019-04-16 | 2019-06-25 | 南基塑胶模具(深圳)有限公司 | A kind of plastic mould and its processing method being inserted into shaping metal sheets |
| CN112606340A (en) * | 2020-12-29 | 2021-04-06 | 天津原谷科技有限公司 | Injection mold of high-quality spindle nut |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271973Y (en) * | 2008-10-06 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Slanted slide block side loose core mould structure |
| CN201530102U (en) * | 2009-10-23 | 2010-07-21 | 浙江亨达塑料模具有限公司 | Automobile fuel tank cap mould connecting hole core pulling mechanism |
| CN203141780U (en) * | 2013-02-21 | 2013-08-21 | 台州市凯华塑业有限公司 | Side core-pulling mechanism at side of injection mold cavity |
| CN204725803U (en) * | 2015-06-29 | 2015-10-28 | 昌辉精密模具（黄山）有限公司 | A kind of pickup structure with moving core injection mould |
-
2015
- 2015-06-29 CN CN201510373840.7A patent/CN104943092B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201271973Y (en) * | 2008-10-06 | 2009-07-15 | 中国华录·松下电子信息有限公司 | Slanted slide block side loose core mould structure |
| CN201530102U (en) * | 2009-10-23 | 2010-07-21 | 浙江亨达塑料模具有限公司 | Automobile fuel tank cap mould connecting hole core pulling mechanism |
| CN203141780U (en) * | 2013-02-21 | 2013-08-21 | 台州市凯华塑业有限公司 | Side core-pulling mechanism at side of injection mold cavity |
| CN204725803U (en) * | 2015-06-29 | 2015-10-28 | 昌辉精密模具（黄山）有限公司 | A kind of pickup structure with moving core injection mould |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107443676A (en) * | 2017-08-25 | 2017-12-08 | 贾聪聪 | A kind of injection machine with positioning function |
| CN107443676B (en) * | 2017-08-25 | 2019-05-28 | 无锡安森源通讯科技有限公司 | A kind of injection molding machine with positioning function |
| CN109927235A (en) * | 2019-04-16 | 2019-06-25 | 南基塑胶模具(深圳)有限公司 | A kind of plastic mould and its processing method being inserted into shaping metal sheets |
| CN109927235B (en) * | 2019-04-16 | 2024-02-20 | 南基塑胶模具(深圳)有限公司 | Plastic mold for molding by inserting metal sheet and processing method thereof |
| CN112606340A (en) * | 2020-12-29 | 2021-04-06 | 天津原谷科技有限公司 | Injection mold of high-quality spindle nut |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104943092B (en) | 2018-01-02 |
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