CN111216322B - Injection molding method - Google Patents
Injection molding method Download PDFInfo
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- CN111216322B CN111216322B CN202010137978.8A CN202010137978A CN111216322B CN 111216322 B CN111216322 B CN 111216322B CN 202010137978 A CN202010137978 A CN 202010137978A CN 111216322 B CN111216322 B CN 111216322B
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- injection molding
- die
- upper die
- lower die
- column
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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
- B29C45/2602—Mould construction elements
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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
- B29C45/1747—Tie-rod connections
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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 relates to the field of molds, in particular to an injection molding method. The upper die and the lower die are driven by the cylinder to open and close, manual operation is not needed, labor intensity is low, the upper die and the lower die are mounted with the cylinder through the sliding connection structure, only the upper die and the lower die need to move horizontally during mounting and dismounting, operation is simple, and dismounting is convenient and fast; when carrying out the die sinking, go up mould and lower mould relative movement simultaneously, through fixed column and elastic telescopic rod's mating reaction, can realize the spacing of injection molding, realize the injection molding automatic with last mould and lower mould separation, need not the manual work and operate ejecting, it is comparatively convenient to take out of injection molding.
Description
Technical Field
The invention relates to the field of molds, in particular to an injection molding method.
Background
Injection molding, also known as injection molding, is a molding method that is injection and molding; the injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.
Injection moulding needs to use injection mold, and current injection mold is most when carrying out the die sinking and compound die, operates through artifical manual, then carries out ejecting of injection molding, and operation process is more, and the time of taking out of injection molding is longer, wastes time and energy. Therefore, an injection mold is proposed to address the above problems.
Disclosure of Invention
The present invention is directed to solving the above problems and providing an injection molding method.
The invention achieves the aim through the following technical scheme, and the injection molding method comprises the following steps:
s1, the cylinder is in a complete extension state, the upper die and the lower die are in a die assembly state, injection molding is carried out through the sprue gate, and molding is carried out in the cavity;
s2, when the die is opened, the cylinder contracts, and the upper die and the lower die move in opposite directions simultaneously;
s3, blocking is provided for the injection molding part through the fixed column and the movable column, separation of the injection molding part is achieved, the injection molding part is located between the movable column and the fixed column, the movable column is driven to move by pulling the connecting plate, then the injection molding part is taken out, and taking out is completed;
the die applying the method comprises a frame, an upper die and a lower die, wherein air cylinders are vertically and fixedly arranged at the top and the bottom of the frame, sliding connection structures are arranged between the upper die and the air cylinders, and the upper die and the lower die are connected with the output end of the air cylinders through the sliding connection structures; the lower die is characterized in that ejection holes are formed in the vertical direction of the lower die and the vertical direction of the upper die, the top plate is vertically provided with an elastic telescopic rod, the surface of the bottom plate is fixedly connected with a fixed column, the tail end of the fixed column and the tail end of the elastic telescopic rod are both connected with the ejection holes in a matched mode, and the elastic telescopic rod is fixedly provided with a connecting plate.
Preferably, the frame comprises bottom plate, roof and support column, the equal perpendicular rigid coupling in top four corners department of bottom plate has the support column, the top and the roof four corners department rigid coupling of support column.
Preferably, the sliding connection structure includes spout and slider, the figure of spout is four, and four spouts are evenly seted up in last mould top and lower mould bottom, slider and spout sliding connection, the cross-section of spout and the cross-section of slider are type of calligraphy structure.
Preferably, a cavity is formed between the upper die and the lower die.
Preferably, a pouring gate is fixedly installed at the center of the top of the upper die.
Preferably, the bottom of the upper die is provided with a positioning hole, a positioning column is embedded in the positioning hole, and the positioning column is fixedly connected with the lower die.
Preferably, the number of the fixed columns is two, and the two fixed columns are both of cylindrical structures.
Preferably, the elastic telescopic rod is formed by sleeving a movable column and a spring, the movable column penetrates through the top plate, the movable column is elastically connected with the bottom of the top plate through the spring, and the number of the elastic telescopic rods is two.
Preferably, the movable columns are vertically and fixedly connected with the connecting plate, and the number of the movable columns is two.
Preferably, two ends of the spring are respectively and fixedly connected with the cylindrical surface of the movable column and the bottom of the top plate.
The invention has the beneficial effects that:
the injection mold realizes the opening and closing of the upper mold and the lower mold through the driving of the air cylinder, the manual operation is not needed, the labor intensity is low, the upper mold and the lower mold are installed with the air cylinder through the sliding connection structure, the installation and the disassembly only need to carry out the horizontal movement of the upper mold and the lower mold, the operation is simple, and the disassembly and the assembly are convenient;
2 this kind of injection mold is when carrying out the die sinking, goes up mould and lower mould relative movement simultaneously, through fixed column and elastic telescopic rod's mating reaction, can realize the spacing of injection molding, realizes that the injection molding is automatic with last mould and lower mould separation, need not the manual work and operates ejecting, and it is comparatively convenient to take out of injection molding.
Drawings
In order to more clearly illustrate the embodiments of the present 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 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 overall structure of the present invention;
FIG. 2 is a schematic view of the structure of the lower mold and the upper mold of the present invention;
FIG. 3 is a schematic view of a slider structure according to the present invention;
FIG. 4 is a top view of the base plate of the present invention.
In the figure: 1. the device comprises a bottom plate, 2, a top plate, 3, a support column, 4, a lower die, 5, an upper die, 6, a positioning column, 7, a cylinder, 8, a pouring gate, 9, a fixing column, 10, a movable column, 11, a connecting plate, 12, a spring, 13, a sliding block, 14, a sliding groove, 15 and a cavity.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
Referring to fig. 1-4, an injection molding method comprises the following steps:
s1, the cylinder 7 is in a complete extension state, the upper die 5 and the lower die 4 are in a die closing state, injection molding is carried out through the sprue gate 8, and molding is carried out in the die cavity 15;
s2, when the mould is opened, the air cylinder 7 contracts, and the upper mould 5 and the lower mould 4 move in the opposite direction simultaneously;
s3, the injection molding piece is blocked by the fixed column 9 and the movable column 10, separation of the injection molding piece is achieved, the injection molding piece is located between the movable column 10 and the fixed column 9, the movable column 10 is driven to move by pulling the connecting plate 11, and then the injection molding piece is taken out to finish taking out;
the mould applying the method comprises a frame, an upper mould 5 and a lower mould 4, wherein the top and the bottom of the frame are both vertically and fixedly provided with air cylinders 7, sliding connection structures are arranged between the upper mould 5 and the air cylinders 7 and between the lower mould 4 and the air cylinders 7, and the upper mould 5 and the lower mould 4 are both connected with the output end of the air cylinders 7 through the sliding connection structures;
ejection holes are formed in the vertical direction of the lower die 4 and the vertical direction of the upper die 5, the elastic telescopic rod is vertically installed on the top plate 2, the fixing column 9 is fixedly connected to the surface of the bottom plate 1 in a vertical mode, the tail end of the fixing column 9 and the tail end of the elastic telescopic rod are connected with the ejection holes in a matched mode, and the connecting plate 11 is fixedly installed on the elastic telescopic rod.
The frame is composed of a bottom plate 1, a top plate 2 and support columns 3, the support columns 3 are vertically and fixedly connected at four corners of the top of the bottom plate 1, and the top ends of the support columns 3 are fixedly connected with the four corners of the top plate 2 to provide an installation space and an opening and closing space for an upper die 5 and a lower die 4; the sliding connection structure comprises four sliding grooves 14 and sliding blocks 13, the number of the sliding grooves 14 is four, the four sliding grooves 14 are uniformly formed in the top of the upper die 5 and the bottom of the lower die 4, the sliding blocks 13 are connected with the sliding grooves 14 in a sliding mode, the sections of the sliding grooves 14 and the sections of the sliding blocks 13 are both in a convex structure, the sliding blocks 13 are embedded in the sliding grooves 14 to be positioned and installed, and the sliding blocks 13 can slide out of the two ends of the sliding grooves 14, so that the upper die 5 and the lower die 4 can be replaced conveniently; a cavity 15 is formed between the upper die 5 and the lower die 4, and the cavity 15 is used for molding an injection molding piece; a pouring gate 8 is fixedly arranged at the center of the top of the upper die 5, and injection molding can be carried out through the pouring gate 8; the bottom of the upper die 5 is provided with a positioning hole, a positioning column 6 is embedded in the positioning hole, the positioning column 6 is fixedly connected with the lower die 4, and the upper die 5 and the lower die 4 are positioned; the number of the fixing columns 9 is two, the two fixing columns 9 are both cylindrical structures, and the fixing columns 9 are used for blocking the bottom of an injection molding piece; the elastic telescopic rods are formed by sleeving movable columns 10 and springs 12, the movable columns 10 penetrate through the top plate 2, the movable columns 10 are elastically connected with the bottom of the top plate 2 through the springs 12, the number of the elastic telescopic rods is two, the elastic telescopic rods can provide elastic expansion for the movable columns 10 through the springs 12, and the movable columns 10 can be separated from the top of an injection molding piece; the movable columns 10 are vertically and fixedly connected with the connecting plate 11, the number of the movable columns 10 is two, and the connecting plate 11 can pull the two movable columns 10 to move together at one time; two ends of the spring 12 are respectively fixedly connected with the cylindrical surface of the movable column 10 and the bottom of the top plate 2, and the spring 12 provides elasticity for the movable column 10.
When the injection molding machine is used, electrical components in the injection molding machine are externally connected and communicated with a power supply and a control switch when in use, the air cylinder 7 is in a fully extended state, the upper die 5 and the lower die 4 are in a die closing state, injection molding is carried out through the sprue gate 8, and molding is carried out in the cavity 15; during the die sinking, cylinder 7 contracts, goes up mould 5 and lower mould 4 and carries out the removal of relative direction simultaneously, blocks for the injection molding provides through fixed column 9 and activity post 10, realizes the separation of injection molding, and the injection molding is located between activity post 10 and the fixed column 9, through pulling connecting plate 11, beats the removal of activity post 10, then takes out the injection molding, accomplishes and takes out.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. An injection molding method, comprising the steps of:
s1, the cylinder (7) is in a complete extension state, the upper die (5) and the lower die (4) are in a die assembly state, injection molding is carried out through the sprue gate (8), and molding is carried out in the cavity (15);
s2, when the die is opened, the air cylinder (7) contracts, and the upper die (5) and the lower die (4) move in the opposite direction simultaneously;
s3, blocking is provided for the injection molding part through the fixed column (9) and the movable column (10), separation of the injection molding part is achieved, the injection molding part is located between the movable column (10) and the fixed column (9), the movable column (10) is driven to move by pulling the connecting plate (11), then the injection molding part is taken out, and taking out is completed;
the mold applying the method comprises a frame, an upper mold (5) and a lower mold (4), wherein the frame is composed of a bottom plate (1), a top plate (2) and support columns (3), the support columns (3) are vertically and fixedly connected at the four corners of the top of the bottom plate (1), and the top ends of the support columns (3) are fixedly connected with the four corners of the top plate (2);
the top and the bottom of the frame are vertically and fixedly provided with air cylinders (7), sliding connection structures are arranged between the upper die (5) and the lower die (4) and the air cylinders (7), and the upper die (5) and the lower die (4) are connected with the output end of the air cylinders (7) through the sliding connection structures; ejection holes are formed in the vertical direction of the lower die (4) and the vertical direction of the upper die (5), an elastic telescopic rod is vertically installed on the top plate (2), a fixing column (9) is vertically and fixedly connected to the surface of the bottom plate (1), the tail end of the fixing column (9) and the tail end of the elastic telescopic rod are both in matched connection with the ejection holes, and a connecting plate (11) is fixedly installed on the elastic telescopic rod;
the sliding connection structure comprises four sliding grooves (14) and sliding blocks (13), the number of the sliding grooves (14) is four, the four sliding grooves (14) are uniformly formed in the top of the upper die (5) and the bottom of the lower die (4), the sliding blocks (13) are in sliding connection with the sliding grooves (14), and the sections of the sliding grooves (14) and the sliding blocks (13) are both of a convex structure; the sliding block (13) can slide out from the two ends of the sliding groove (14), so that the upper die (5) and the lower die (4) can be replaced conveniently;
a cavity (15) is formed between the upper die (5) and the lower die (4);
a pouring gate (8) is fixedly arranged at the center of the top of the upper die (5);
the bottom of the upper die (5) is provided with a positioning hole, a positioning column (6) is embedded in the positioning hole, and the positioning column (6) is fixedly connected with the lower die (4);
the number of the fixing columns (9) is two, and the two fixing columns (9) are of cylindrical structures;
the elastic telescopic rods are formed by sleeving movable columns (10) and springs (12), the movable columns (10) penetrate through the top plate (2), the movable columns (10) are elastically connected with the bottom of the top plate (2) through the springs (12), and the number of the elastic telescopic rods is two;
the movable columns (10) are vertically and fixedly connected with the connecting plate (11), and the number of the movable columns (10) is two;
and two ends of the spring (12) are fixedly connected with the cylindrical surface of the movable column (10) and the bottom of the top plate (2) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137978.8A CN111216322B (en) | 2020-03-03 | 2020-03-03 | Injection molding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010137978.8A CN111216322B (en) | 2020-03-03 | 2020-03-03 | Injection molding method |
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| Publication Number | Publication Date |
|---|---|
| CN111216322A CN111216322A (en) | 2020-06-02 |
| CN111216322B true CN111216322B (en) | 2021-12-21 |
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| CN202010137978.8A Active CN111216322B (en) | 2020-03-03 | 2020-03-03 | Injection molding method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115320032A (en) * | 2022-07-16 | 2022-11-11 | 河北合力佳橡塑制品有限公司 | Washing machine double-door seal mold with detection function |
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| JPH08164548A (en) * | 1994-12-13 | 1996-06-25 | Mitsubishi Heavy Ind Ltd | Mold clamping device |
| CN102700051A (en) * | 2012-05-22 | 2012-10-03 | 刘蓉君 | Earpiece moulding method by implanting plastic into metal fittings |
| CN204183814U (en) * | 2014-09-09 | 2015-03-04 | 创意塑胶工业（苏州）有限公司 | Injection forming mold |
| CN204977298U (en) * | 2015-08-11 | 2016-01-20 | 东莞朗诚微电子设备有限公司 | Chip carrier clamping structure and semiconductor plastic envelope mould of semiconductor plastic envelope mould |
| CN206416404U (en) * | 2017-01-25 | 2017-08-18 | 开平市鸿兴五金橡塑制品有限公司 | It is a kind of that there are the castor heat pressing forming machines for receiving die device |
| CN207359553U (en) * | 2017-11-27 | 2018-05-15 | 黄石市东兴橡胶制品有限公司 | A kind of stripper apparatus of damping rubber base |
| CN208035143U (en) * | 2018-04-09 | 2018-11-02 | 深圳市质顶塑胶模具有限公司 | A kind of easily demoulding plastic mould |
| CN208277348U (en) * | 2018-06-11 | 2018-12-25 | 重庆鼎仁精密模具有限公司 | Turn signal lampshade injection mold |
| CN108748887A (en) * | 2018-06-11 | 2018-11-06 | 重庆鼎仁精密模具有限公司 | Turn signal lampshade injection mold |
| CN208682048U (en) * | 2018-08-03 | 2019-04-02 | 常州硕锋模具科技有限公司 | A kind of injection mold of automatic material separator |
| CN208682051U (en) * | 2018-08-03 | 2019-04-02 | 常州硕锋模具科技有限公司 | A kind of automatic material separator injection mold that can be quickly cooled down |
| CN209257381U (en) * | 2018-11-13 | 2019-08-16 | 东莞市沃达办公设备有限公司 | A kind of injection mold of easy de- material |
| CN209240324U (en) * | 2018-11-14 | 2019-08-13 | 南通海林运动用品有限公司 | A kind of vulcanization molding equipment for rubber dumbbell bracket |
| CN209240420U (en) * | 2018-11-21 | 2019-08-13 | 杭州职业技术学院 | A kind of easily demoulding injection mold |
| CN209139733U (en) * | 2018-11-27 | 2019-07-23 | 徐州徐工铁路装备有限公司 | A kind of half wheel body closed-die forging mold of engineering machinery support sprocket wheel |
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| CN110239024A (en) * | 2019-06-05 | 2019-09-17 | 浙江品诺新材料有限公司 | A kind of nylon plastic(s) injection forming mold |
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2020
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Effective date of registration: 20211208 Address after: 315600 No.1 Xingke East Road, qiaotouhu street, Ninghai County, Ningbo City, Zhejiang Province Applicant after: NINGBO BOTONG PLASTIC Co.,Ltd. Address before: 230000 no.628 Huangshan Road, high tech Zone, Hefei City, Anhui Province Applicant before: Wang Wan |
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