CN112157882A - Special injection molding mould of PP plastics - Google Patents
Special injection molding mould of PP plastics Download PDFInfo
- Publication number
- CN112157882A CN112157882A CN202010993218.7A CN202010993218A CN112157882A CN 112157882 A CN112157882 A CN 112157882A CN 202010993218 A CN202010993218 A CN 202010993218A CN 112157882 A CN112157882 A CN 112157882A
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- China
- Prior art keywords
- mold core
- cover half
- fixedly connected
- post
- fixed
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- 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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
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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
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a special injection molding mold for PP (polypropylene) plastics, which comprises a fixed mold and a movable mold, wherein the side surface of the fixed mold is fixedly connected with a fixed plate, the inner front wall and the inner rear wall of the fixed mold are respectively provided with a sliding chute, the inner wall of the sliding chute is respectively connected with an upper fixed mold core and a lower fixed mold core in a sliding manner, the side surface of the movable mold is provided with a movable mold core, and the side surface of the movable mold is fixedly connected with a guide post. This special injection moulding mould of PP plastics, through setting up the guide post, circular recess, first piston, fixed pipe, the post slides, the second piston, reset spring and restoration post, this injection moulding mould of being convenient for is when folding, the second piston drives the post that slides and splices into whole with last cover half mold core and lower cover half mold core, and when injection moulding mould divides, under reset spring's effect, make and go up the cover half mold core and separate with lower cover half mold core, thereby make this mould can accomplish the production of external screw thread PP plastic products.
Description
Technical Field
The invention relates to the technical field of injection molds, in particular to a special injection molding mold for PP (polypropylene) plastics.
Background
PP plastic is a common plastic, and the molding of PP plastic is mainly performed by injection molding with an injection mold.
Injection molding, also known as injection molding, is a molding method combining injection molding and molding, and is widely used due to the advantages of high production speed, high efficiency and automation of operation.
Although the existing injection molding mold can be used for injection molding of molds in various shapes, for PP plastic products with external threads, when a movable mold and a fixed mold are separated, a thread groove on the inner wall of a mold core of the fixed mold can damage the injection external threads, so that the products are difficult to finish through injection molding.
The invention provides a special injection molding mold for PP plastics.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a special injection molding mold for PP plastic.
In order to achieve the purpose, the invention adopts the following technical scheme: a special injection molding mold for PP plastics comprises a fixed mold block and a movable mold block, wherein a fixed plate is fixedly connected to the side surface of the fixed mold block, sliding grooves are formed in the inner front wall and the inner rear wall of the fixed mold block respectively, an upper fixed mold core and a lower fixed mold core are respectively and slidably connected to the inner wall of each sliding groove, a movable mold core is arranged on the side surface of the movable mold block, guide posts are fixedly connected to the side surface of the movable mold block, circular grooves matched with the guide posts are formed in the side surface of the fixed mold block, the inner walls of the circular grooves are slidably connected with the surfaces of the guide posts, first pistons are slidably connected to the inner walls of the circular grooves, the side surfaces of the first pistons are in lap joint with one ends of the guide posts, fixed tubes are fixedly connected to the inner top wall and the inner bottom wall of the fixed mold block, sliding posts are slidably connected to the inner walls of the fixed tubes, the opposite ends of the two sliding columns are respectively and fixedly connected with the upper surface of the upper fixed die core and the lower surface of the lower fixed die core.
Preferably, the quantity of guide post and circular recess is four, and four guide posts and circular recess are the opposite face that the rectangular array set up at movable mould piece and fixed module respectively, the side fixedly connected with convex post of movable mould piece, the gliding convex groove of confession convex post is seted up to the side of movable mould core.
Preferably, the upper end the through-hole that extends to roof and interior diapire in the fixed module is seted up respectively to the inside wall of circular recess and the inside wall of the circular recess of lower extreme, and the through-hole is linked together with the inside of fixed pipe, the inside of circular recess, through-hole and fixed pipe all is provided with hydraulic oil.
Preferably, the upper surface of lower cover half mold core fixedly connected with reset post, the gliding groove that resets of post that supplies resets is seted up to the lower surface of going up the cover half mold core, the interior roof in groove that resets is provided with reset spring, and reset spring's the other end and the top overlap joint of post that resets.
Preferably, the opposite face of going up cover half mold core and lower cover half mold core all is provided with rubber packing pad, the thread groove of looks adaptation is all seted up to the inner wall of going up cover half mold core and lower cover half mold core, the mouth of moulding plastics of side fixedly connected with of fixed plate, the mouth of moulding plastics with the mouth looks adaptation of moulding plastics is all seted up to the side of cover half module, last cover half mold core and lower cover half mold core.
Preferably, the front and the back of the fixed module are both provided with a discharging block through a bolt fixedly connected, the discharging block is of a shape structure, the movable module is internally provided with a cavity, the inner wall of the cavity is connected with a sliding plate in a sliding manner, the side face of the sliding plate is fixedly connected with an ejector rod, one end, far away from the sliding plate, of the ejector rod extends to the side face of the movable mold core, the front and the back of the movable module are both provided with sliding grooves extending to the inner wall of the cavity, the inner walls of the two sliding grooves are both connected with a block in a sliding manner, the opposite faces of the two blocks are respectively fixedly connected with the front and the back of the sliding plate, the block is arranged between the inner walls of the two sides of the discharging block in the shape, the side face of the sliding plate is.
The invention has the following beneficial effects:
1. this special injection moulding mould of PP plastics, through setting up the guide post, circular recess, first piston, fixed pipe, the post slides, the second piston, reset spring and restoration post, this injection moulding mould of being convenient for is when folding, the guide post extrudeing first piston, and promote the second piston and drive the post that slides and splice into wholly with last cover half mold core and lower cover half mold core, and when injection moulding mould separates, under reset spring's effect, make and go up the cover half mold core and separate with lower cover half mold core, thereby make this mould can accomplish the production of external screw thread PP plastic products.
2. This special injection moulding mould of PP plastics through setting up unloads material piece, sliding plate, ejector pin, taking piece and compression spring, is convenient for when this injection moulding mould separates, unloads material piece and takes the piece contact and drive the sliding plate and release the ejector pin to this injection moulding mould possesses the function of automatic discharge, and when injection moulding mould closed, under compression spring's effect, the ejector pin resets simultaneously.
Drawings
FIG. 1 is a schematic view of a front cross-sectional structure of an injection molding mold special for PP plastic according to the present invention;
FIG. 2 is a schematic side sectional view of a fixed module of the injection molding mold special for PP plastic according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 1;
FIG. 4 is a schematic view of a top-down structure of a special injection molding mold for PP plastic according to the present invention;
fig. 5 is a schematic structural diagram of an elevation view of an injection molding mold special for PP plastics provided by the present invention.
In the figure: the injection molding machine comprises a fixed mold 1, a movable mold 2, a fixed plate 3, an upper fixed mold core 4, a lower fixed mold core 5, a movable mold core 6, a guide column 7, a circular groove 8, a first piston 9, a fixed tube 10, a sliding column 11, a second piston 12, a resetting column 13, a return spring 14, an injection molding nozzle 15, a material unloading block 16, a sliding plate 17, an ejector rod 18, a lapping block 19 and a compression spring 20.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Example 1
Referring to fig. 1-3, a special injection molding mold for PP plastics, comprising a fixed mold block 1 and a movable mold block 2, wherein a fixed plate 3 is fixedly connected to the side surface of the fixed mold block 1, sliding grooves are respectively formed in the inner front wall and the inner rear wall of the fixed mold block 1, the inner walls of the sliding grooves are respectively connected with an upper fixed mold core 4 and a lower fixed mold core 5 in a sliding manner, a reset column 13 is fixedly connected to the upper surface of the lower fixed mold core 5, a reset groove for the reset column 13 to slide is formed in the lower surface of the upper fixed mold core 4, a reset spring 14 is arranged on the inner top wall of the reset groove, the other end of the reset spring 14 is in lap joint with the top end of the reset column 13, rubber sealing gaskets are respectively arranged on the opposite surfaces of the upper fixed mold core 4 and the lower fixed mold core 5, adaptive thread grooves are respectively formed in the inner walls of the, The side surfaces of the upper fixed die core 4 and the lower fixed die core 5 are provided with injection molding openings matched with the injection molding nozzles 15.
The side surface of the movable mould 2 is provided with a movable mould core 6, the side surface of the movable mould 2 is fixedly connected with a convex column, the side surface of the movable mould core 6 is provided with a convex groove for the convex column to slide, the side surface of the movable mould 2 is fixedly connected with a guide column 7, the side surface of the fixed mould 1 is provided with a circular groove 8 matched with the guide column 7, the inner wall of the circular groove 8 is connected with the surface of the guide post 7 in a sliding way, the number of the guide post 7 and the circular groove 8 is four, and four guide posts 7 and circular grooves 8 are respectively arranged on the opposite surfaces of the movable module 2 and the fixed module 1 in a rectangular array, the inner side wall of the circular groove 8 at the upper end and the inner side wall of the circular groove 8 at the lower end are respectively provided with through holes extending to the inner top wall and the inner bottom wall of the fixed module 1, and the through hole is communicated with the inside of the fixed pipe 10, and hydraulic oil is arranged in the circular groove 8, the through hole and the fixed pipe 10.
The inner wall sliding connection of circular recess 8 has first piston 9, and the side of first piston 9 and the one end overlap joint of guide post 7, the fixed pipe 10 of the equal fixedly connected with of interior roof and interior bottom wall of cover half 1, the equal sliding connection of the inner wall of two fixed pipes 10 has sliding column 11, the equal fixedly connected with second piston 12 of the end in opposite directions of two sliding column 11, the looks remote site of two sliding column 11 respectively with the upper surface of upper cover half mold core 4 and the lower fixed surface of lower cover half mold core 5 is connected.
In this embodiment, through setting up guide post 7, circular recess 8, first piston 9, fixed pipe 10, slip post 11, second piston 12, reset spring 14 and reset post 13, be convenient for this injection moulding mould when folding, guide post 7 extrudes first piston 9, and promote second piston 12 and drive slip post 11 and splice into whole with last cover half mold core 4 and lower cover half mold core 5, and when the injection moulding mould separates, under reset spring 14's effect, make last cover half mold core 4 and lower cover half mold core 5 separate, thereby make this mould can accomplish the production of external screw thread PP plastic products.
Example 2
Referring to fig. 4-5, the front and the back of the fixed mold block 1 are both fixedly connected with a material unloading block 16 through bolts, the material unloading block 16 is in a shape structure, a cavity is formed in the movable mold block 2, the inner wall of the cavity is slidably connected with a sliding plate 17, the side of the sliding plate 17 is fixedly connected with a mandril 18, one end, far away from the sliding plate 17, of the mandril 18 extends to the side of the movable mold core 6, sliding grooves extending to the inner wall of the cavity are formed in the front and the back of the movable mold block 2, the inner walls of the two sliding grooves are both slidably connected with a material taking block 19, the opposite surfaces of the two material taking blocks 19 are respectively fixedly connected with the front and the back of the sliding plate 17, the material taking block 19 is arranged between the inner walls on the two sides of the material unloading block 16, the side.
In this embodiment, by arranging the discharging block 16, the sliding plate 17, the ejector rod 18, the lapping block 19 and the compression spring 20, when the injection mold is separated, the discharging block 16 is in contact with the lapping block 19 and drives the sliding plate 17 to push the ejector rod 18 out, so that the injection mold has an automatic discharging function, and when the injection mold is closed, the ejector rod 18 is reset under the action of the compression spring 20.
In the invention, a fixed die block 1 and a fixed plate 3 are connected with an injection molding device, the injection molding device pushes a movable die block 2 to move in the injection molding process, a guide post 7 pushes a first piston 9 to extrude internal hydraulic oil, a second piston 12 pushes a sliding post 11 to splice an upper fixed die core 4 and a lower fixed die core 5 into a whole, PP plastic in a molten state is injected into the interior through an injection molding nozzle 15, after the injection molding is finished, the movable die block 2 is separated from the fixed die block 1, the upper fixed die core 4 is separated from the lower fixed die core 5 under the action of a return spring 14, and in the moving process, a discharging block 16 drives a sliding plate 17 to eject a mandril 18, so that discharging is finished.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a special injection moulding mould of PP plastics, includes fixed module (1) and movable mould piece (2), its characterized in that: the side fixedly connected with fixed plate (3) of decide module (1), the spout has all been seted up to the interior antetheca and the interior back wall of decide module (1), and the inner wall of spout sliding connection has last cover half mold core (4) and lower cover half mold core (5) respectively, the side of movable module (2) is provided with movable mould core (6), the side fixedly connected with guide post (7) of movable module (2), the side of decide module (1) is seted up circular recess (8) with guide post (7) looks adaptation, and the inner wall of circular recess (8) and the surface sliding connection of guide post (7), the inner wall sliding connection of circular recess (8) has first piston (9), and the side of first piston (9) and the one end overlap joint of guide post (7), the equal fixedly connected with fixed tube (10) of interior roof and interior diapire of decide module (1), two the equal sliding connection of inner wall of fixed pipe (10) has slip post (11), two the equal fixedly connected with second piston (12) of the end in opposite directions of slip post (11), two the looks remote site of slip post (11) respectively with the upper surface of last cover half mold core (4) and the lower fixed surface connection of lower cover half mold core (5).
2. The injection molding mold special for PP plastic according to claim 1, wherein: the quantity of guide post (7) and circular recess (8) is four, and four guide posts (7) and circular recess (8) are the opposite face that the rectangular array set up at movable mould piece (2) and cover half piece (1) respectively, the side fixedly connected with convex post of movable mould piece (2), the gliding convex groove of confession convex post is seted up to the side of movable mould mold core (6).
3. The injection molding mold special for PP plastic according to claim 1, wherein: upper end the through-hole that extends to roof and interior diapire in the fixed module (1) is seted up respectively to the inside wall of circular recess (8) and the circular recess of lower extreme (8), and the through-hole is linked together with the inside of fixed pipe (10), the inside of circular recess (8), through-hole and fixed pipe (10) all is provided with hydraulic oil.
4. The injection molding mold special for PP plastic according to claim 1, wherein: the upper surface fixedly connected with of lower cover half mold core (5) restores post (13), the gliding groove that resets of confession post (13) is seted up to the lower surface of going up cover half mold core (4), the interior roof in groove that resets is provided with reset spring (14), and the other end of reset spring (14) and the top overlap joint of post (13) that restores to the throne.
5. The injection molding mold special for PP plastic according to claim 1, wherein: go up the opposite face of cover half mold core (4) and lower cover half mold core (5) and all be provided with rubber packing pad, the thread groove of looks adaptation is all seted up to the inner wall of going up cover half mold core (4) and lower cover half mold core (5), the side fixedly connected with mouth (15) of moulding plastics of fixed plate (3), the mouth of moulding plastics with the mouth of moulding plastics (15) looks adaptation is all seted up to the side of cover half module (1), last cover half mold core (4) and lower cover half mold core (5).
6. The injection molding mold special for PP plastic according to claim 1, wherein: the front and the back of the fixed module (1) are fixedly connected with a material unloading block (16) through bolts, the material unloading block (16) is of a shape structure, a cavity is formed in the movable module (2), the inner wall of the cavity is connected with a sliding plate (17) in a sliding manner, the side face of the sliding plate (17) is fixedly connected with a push rod (18), one end, far away from the sliding plate (17), of the push rod (18) extends to the side face of the movable mold core (6), the front and the back of the movable module (2) are respectively provided with a sliding groove extending to the inner wall of the cavity, the inner walls of the two sliding grooves are respectively connected with a lapping block (19) in a sliding manner, the opposite faces of the two lapping blocks (19) are respectively and fixedly connected with the front face and the back of the sliding plate (17), the lapping blocks (19) are arranged between the inner walls on the two sides of the material unloading block (16), and the other end of the compression spring (20) is fixedly connected with the inner side wall of the cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010993218.7A CN112157882A (en) | 2020-09-21 | 2020-09-21 | Special injection molding mould of PP plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010993218.7A CN112157882A (en) | 2020-09-21 | 2020-09-21 | Special injection molding mould of PP plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112157882A true CN112157882A (en) | 2021-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010993218.7A Withdrawn CN112157882A (en) | 2020-09-21 | 2020-09-21 | Special injection molding mould of PP plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112157882A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008682A (en) * | 2022-05-30 | 2022-09-06 | 邢舒婷 | Rotary-opening maintenance type precision mold |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965783A (en) * | 2016-06-28 | 2016-09-28 | 深圳市新图泰科技有限公司 | Mould with separable cooling time and injection-molding cycle |
| CN205853256U (en) * | 2016-06-28 | 2017-01-04 | 深圳市新图泰科技有限公司 | A kind of cool time and the separable mould of injection cycle |
| CN213618030U (en) * | 2020-09-17 | 2021-07-06 | 深圳市万兴龙塑胶电子有限公司 | Injection molding mold for PP (polypropylene) plastics |
-
2020
- 2020-09-21 CN CN202010993218.7A patent/CN112157882A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105965783A (en) * | 2016-06-28 | 2016-09-28 | 深圳市新图泰科技有限公司 | Mould with separable cooling time and injection-molding cycle |
| CN205853256U (en) * | 2016-06-28 | 2017-01-04 | 深圳市新图泰科技有限公司 | A kind of cool time and the separable mould of injection cycle |
| CN213618030U (en) * | 2020-09-17 | 2021-07-06 | 深圳市万兴龙塑胶电子有限公司 | Injection molding mold for PP (polypropylene) plastics |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115008682A (en) * | 2022-05-30 | 2022-09-06 | 邢舒婷 | Rotary-opening maintenance type precision mold |
| CN115008682B (en) * | 2022-05-30 | 2023-09-05 | 深圳市鹏亿发精密模具有限公司 | Maintenance type precise die capable of being opened in rotating mode |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210101 |
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| WW01 | Invention patent application withdrawn after publication |