CN107088991B - Injection mold of bottle cap with top cap and body different in color - Google Patents
Injection mold of bottle cap with top cap and body different in color Download PDFInfo
- Publication number
- CN107088991B CN107088991B CN201710392251.2A CN201710392251A CN107088991B CN 107088991 B CN107088991 B CN 107088991B CN 201710392251 A CN201710392251 A CN 201710392251A CN 107088991 B CN107088991 B CN 107088991B
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- Prior art keywords
- forming
- die
- mold
- mounting seat
- jacking
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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
- B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
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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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
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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
-
- 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
- B29C45/16—Making multilayered or multicoloured articles
- B29C45/1615—The materials being injected at different moulding stations
- B29C2045/1617—The materials being injected at different moulding stations using stack moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/56—Stoppers or lids for bottles, jars, or the like, e.g. closures
Abstract
The invention discloses an injection mold for bottle caps with top covers and body colors different from each other, which comprises an upper mold and a lower mold, wherein the lower mold comprises a lower base, the lower base is upwards sequentially provided with a lower mounting seat and an upper mounting seat, the upper mounting seat is movably provided with a lower forming mold, the upper mounting seat is provided with a pre-lifting oil cylinder for jacking the lower forming mold, lower mold inserts are detachably arranged in the lower forming mold corresponding to all the upper forming inserts, the lower mold inserts are provided with lower forming grooves, the lower forming grooves comprise a body forming groove, a connecting sheet forming groove and a top cover forming groove, and the upper mold is provided with at least one cutting device at the joint of the body forming groove and the connecting sheet forming groove.
Description
Technical Field
The invention relates to an injection mold for a bottle cap with a top cover and a body of different colors.
Background
The plastic bottle cap with the top cap is formed by one-time injection molding because the body and the top cap are connected together through the connecting sheet, and if two colors are injected simultaneously, the colors of the joint parts are fused with each other, and the appearance of the fused part is difficult to be consistent, so that the injection molding of the bottle cap with the top cap and the body having different colors is difficult to realize.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the injection mold for the bottle cap is characterized in that the top cap and the body can be closed after injection molding, and the colors of the top cap and the body are different.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: an injection mold for bottle caps with different colors of top covers and bodies comprises an upper mold and a lower mold, wherein a plurality of upper forming inserts are arranged in the upper mold, upper forming grooves are formed in the upper forming inserts, a main injection port is formed in the upper mold, the main injection port is communicated with a plurality of main body injection channels which are arranged in the upper mold and lead to the body part in the upper forming grooves, auxiliary injection ports are also formed in the upper mold, the auxiliary injection ports are communicated with a plurality of cover body injection channels which are arranged in the upper mold and lead to the top cover part in the upper forming grooves, and a plurality of upper cooling channels for cooling the upper forming inserts are formed in the upper mold;
the lower die comprises a lower base, the lower base is sequentially provided with a lower mounting seat and an upper mounting seat from top to bottom, a lower forming die is movably arranged on the upper mounting seat, a pre-lifting oil cylinder for jacking the lower forming die is arranged on the upper mounting seat, lower die inserts are detachably arranged in the lower forming die corresponding to the upper forming inserts, lower forming grooves are formed in the lower die inserts, each lower forming groove comprises a body forming groove, a connecting sheet forming groove and a top cover forming groove, and forming holes for a forming core die to penetrate into are formed in the bottom of each body forming groove in the lower die inserts;
the upper die is provided with at least one cut-off device, the cut-off device comprises an upper driving block and a lower driving block which are oppositely arranged in the upper die and synchronously move along the horizontal direction, the upper driving block and the lower driving block are communicated with a piston rod of a cut-off cylinder arranged on the upper die, a transmission block which moves up and down is arranged between the upper driving block and the lower driving block in the upper die, the lower surface of the transmission block is provided with a lower convex block, the upper surface of the transmission block is provided with an upper convex block, the lower surface of the upper driving block is provided with a plurality of upper accommodating grooves, the side surfaces of the upper convex block and the upper accommodating grooves, which are far away from the cut-off cylinder, are inclined surfaces which are mutually matched, the upper convex block is positioned in the upper accommodating groove when the piston rod of the cut-off cylinder extends out, the lower convex block is positioned in the lower accommodating groove when the piston rod of the cut-off cylinder retracts, and the transmission block is provided with a plurality of cut-off pieces which are matched with the joints of the body forming grooves and the connecting pieces;
the forming core die movably penetrates through the lower mounting seat, the upper mounting seat, the lower forming die and the lower die insert, a jacking seat is arranged above the movable seat in the lower mounting seat, jacking holes matched with ejector rods of an injection molding machine tool are formed in the lower base and the movable seat, a jacking block matched with the jacking holes is arranged at the bottom of the jacking seat, a jacking piece is arranged on the upper periphery of the forming core die, the bottom of the jacking piece is positioned on the jacking seat, the top surface of the jacking piece is a part of the bottom wall of a forming cavity when a bottle cap is formed, and an outer forming block covering the peripheries of the jacking piece and the forming core die is further arranged in the lower forming die; the lower mounting seat is internally provided with a movable seat which moves up and down, the upper mounting seat is internally provided with a cover lifting oil cylinder which is vertically and downwardly arranged, the end part of a piston rod of the cover lifting oil cylinder is connected with the movable seat, and the bottom of the forming core mold is connected with the movable seat; the lower die is also provided with a cover closing device.
The invention has the beneficial effects that: the upper die is provided with at least one cut-off device, the cut-off device comprises an upper driving block and a lower driving block which are oppositely arranged in the upper die and synchronously move along the horizontal direction, the upper driving block and the lower driving block are communicated with a piston rod of a cut-off cylinder arranged on the upper die, a driving block which moves up and down is arranged between the upper driving block and the lower driving block in the upper die, the lower surface of the driving block is provided with a lower lug, the upper surface of the driving block is provided with an upper lug, the lower surface of the upper driving block is provided with a plurality of upper accommodating grooves, the side surfaces of the upper lug and the upper accommodating grooves, which are far away from the cut-off cylinder, are inclined surfaces which are mutually matched, the upper lug and the side surfaces of the lower lug, which are close to the cut-off cylinder, are mutually matched inclined surfaces, the upper lug is positioned in the upper accommodating groove when the piston rod of the cut-off cylinder extends out, the lower lug is positioned in the lower accommodating groove when the piston rod of the cut-off cylinder retracts, the driving block is provided with a plurality of cut-off pieces which are matched with the body forming grooves and the connecting grooves, the cut-off pieces which are connected with the corresponding body forming grooves, the cut-off pieces before injection molding grooves, and the material is injected into a certain interval for solidification, so that the material is injected into a certain interval for solidification.
The lower mounting seat is internally provided with a movable seat which moves up and down, the upper mounting seat is internally provided with a cover lifting oil cylinder which is vertically and downwardly arranged, the end part of a piston rod of the cover lifting oil cylinder is connected with the movable seat, and the bottom of the forming core mold is connected with the movable seat; the lower die is also provided with a cover closing device, so that the die can process a bottle cover which is required to cover the top cover and the body before demolding.
Drawings
Fig. 1 is a front sectional view of the present invention (one side closing mechanism is omitted).
Fig. 2 is a left side sectional structural schematic view of the present invention.
Fig. 3 is a right sectional structural view of the present invention.
Fig. 4 is a schematic top sectional structure of the present invention.
Fig. 5 is a schematic structural view of a middle intercepting apparatus part of the present invention.
In fig. 1 to 5: 1. the injection molding device comprises an upper die, 101, a main injection port, 102, an auxiliary injection port, 103, a main body injection channel, 104, a cover body injection channel, 2, an upper molding insert, 3, a molding core die, 4, a lower base, 5, a lower mounting seat, 6, an upper mounting seat, 7, a lower molding die, 8, a lower die insert, 9, an upper driving block, 91, an upper accommodating groove, 10, a lower driving block, 1001, a lower accommodating groove, 11, a cutting cylinder, 12, a transmission block, 121, a lower convex block, 122, an upper convex block and 13, a cutting sheet; 14. the device comprises a jacking seat, 15 push blocks, 16 jacking pieces, 17 movable seats, 18 cover lifting oil cylinders, 19 cover closing devices, 20 outer forming blocks and 21 pre-lifting oil cylinders.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
As shown in fig. 1-5, an injection mold for bottle caps with different colors of top caps and main bodies comprises an upper mold 1 and a lower mold, wherein a plurality of upper forming inserts 2 are arranged in the upper mold 1, upper forming grooves are formed in the upper forming inserts 2, a main injection port 101 is arranged in the upper mold 1, the main injection port 101 is communicated with a plurality of main injection channels 103 which are arranged in the upper mold 1 and lead to the main body part in the upper forming grooves, an auxiliary injection port 102 is also arranged in the upper mold 1, the auxiliary injection port 102 is communicated with a plurality of cover body injection channels 104 which are arranged in the upper mold 1 and lead to the top cap part in the upper forming grooves, and a plurality of upper cooling channels for cooling the upper forming inserts 2 are arranged in the upper mold 1;
the lower die comprises a lower base 4, the lower base 4 is sequentially provided with a lower mounting seat 5 and an upper mounting seat 6 from top to bottom, a lower forming die 7 is movably arranged on the upper mounting seat 6, a pre-lifting oil cylinder 21 for jacking the lower forming die 7 is arranged on the upper mounting seat 6, lower die inserts 8 are detachably arranged in the lower forming die 7 corresponding to each upper forming insert 2, lower forming grooves are arranged on the lower die inserts 8 and comprise a body forming groove, a connecting piece forming groove and a top cover forming groove, and forming holes for the forming core dies 3 to penetrate into are formed in the bottom of the body forming groove in the lower die inserts 8;
the upper die 1 is internally provided with two cutting devices, each cutting device comprises an upper driving block 9 and a lower driving block 10 which are oppositely arranged in the upper die 1 and synchronously move along the horizontal direction, the upper driving block 9 and the lower driving block 10 are communicated with a piston rod of a cutting cylinder 11 arranged on the upper die 1, a driving block 12 which moves up and down is arranged between the upper driving block 9 and the lower driving block 10 in the upper die 1, the lower surface of the driving block 12 is provided with a lower convex block 121, the upper surface of the driving block 12 is provided with an upper convex block 122, the lower surface of the upper driving block 9 is provided with a plurality of upper accommodating grooves 91, the side surfaces of the upper convex block 122 and the upper accommodating grooves 91 far away from the cutting cylinder 11 are mutually matched inclined surfaces, the upper surface of the lower driving block 10 is provided with a plurality of lower accommodating grooves 1001, the side surfaces of the lower convex block 121 and the lower accommodating grooves 1001 close to the cutting cylinder 11 are mutually matched inclined surfaces, when the piston rod of the cutting cylinder 11 extends, the upper convex block 122 is positioned in the upper accommodating groove 91, when the piston rod of the cutting cylinder 11 retracts, the lower convex block 121 is positioned in the lower accommodating groove 1001, and the cutting sheet 13 which is matched with the connecting piece forming groove and the connecting piece forming groove 13 which is correspondingly arranged on the upper connecting part of the upper connecting piece forming groove and the connecting piece forming groove;
the forming core mold 3 movably penetrates through the lower mounting seat 5, the upper mounting seat 6, the lower forming mold 7 and the lower mold insert 8, a jacking seat 14 is arranged above a movable seat 17 in the lower mounting seat 5, jacking holes matched with ejector rods of an injection molding machine tool are formed in the lower base 4 and the movable seat 17, a jacking block 15 matched with the jacking holes is arranged at the bottom of the jacking seat 14, a jacking piece 16 is arranged on the upper periphery of the forming core mold 3, the bottom of the jacking piece 16 is located on the jacking seat 14, the top surface of the jacking piece 16 is a part of the bottom wall of a forming cavity during forming of a bottle cap, and an outer forming block 20 covering the jacking piece 16 and the periphery of the forming core mold 3 is further arranged in the lower forming mold 7.
A movable seat 17 which moves up and down is arranged in the lower mounting seat 5, a cover lifting oil cylinder 18 which is vertically and downwardly arranged is arranged in the upper mounting seat 6, the end part of a piston rod of the cover lifting oil cylinder 18 is connected with the movable seat 17, and the bottom of the forming core mold 3 is connected with the movable seat 17; the lower die is also provided with a cover closing device 19.
After the injection molding is finished, the pre-lifting oil cylinder 21 and the cover lifting oil cylinder 18 simultaneously drive the lower forming die 7 and the forming core die 3 to lift, so that the bottle cover is separated from the outer forming block 20, then the pre-lifting oil cylinder 21 drives the lower forming die 7 to descend and reset, the cover closing device 19 closes the top cover on the bottle cover body, then the ejector rod on the injection molding machine tool jacks the ejector block 15, the ejector seat 14 and the ejector piece 16 are driven to move, and the bottle cover is separated from the forming core die 3.
The foregoing embodiments are illustrative only of the principles and utilities of the present invention, as well as some embodiments, and are not intended to limit the invention; it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications belong to the protection scope of the present invention.
Claims (1)
1. An injection mold for bottle caps with different colors of top covers and bodies comprises an upper mold and a lower mold, wherein a plurality of upper forming inserts are arranged in the upper mold, upper forming grooves are formed in the upper forming inserts, a main injection port is formed in the upper mold, the main injection port is communicated with a plurality of main body injection channels which are arranged in the upper mold and lead to the body part in the upper forming grooves, auxiliary injection ports are also formed in the upper mold, the auxiliary injection ports are communicated with a plurality of cover body injection channels which are arranged in the upper mold and lead to the top cover part in the upper forming grooves, and a plurality of upper cooling channels for cooling the upper forming inserts are formed in the upper mold; the lower die comprises a lower base, the lower base is sequentially provided with a lower mounting seat and an upper mounting seat from top to bottom, a lower forming die is movably arranged on the upper mounting seat, a pre-lifting oil cylinder for jacking the lower forming die is arranged on the upper mounting seat, lower die inserts are detachably arranged in the lower forming die corresponding to the upper forming inserts, lower forming grooves are formed in the lower die inserts, each lower forming groove comprises a body forming groove, a connecting sheet forming groove and a top cover forming groove, and forming holes for a forming core die to penetrate into are formed in the bottom of each body forming groove in the lower die inserts; the method is characterized in that: the upper die is provided with at least one cut-off device, the cut-off device comprises an upper driving block and a lower driving block which are oppositely arranged in the upper die and synchronously move along the horizontal direction, the upper driving block and the lower driving block are communicated with a piston rod of a cut-off cylinder arranged on the upper die, a transmission block which moves up and down is arranged between the upper driving block and the lower driving block in the upper die, the lower surface of the transmission block is provided with a lower convex block, the upper surface of the transmission block is provided with an upper convex block, the lower surface of the upper driving block is provided with a plurality of upper accommodating grooves, the side surfaces of the upper convex block and the upper accommodating grooves, which are far away from the cut-off cylinder, are inclined surfaces which are mutually matched, the upper convex block is positioned in the upper accommodating groove when the piston rod of the cut-off cylinder extends out, the lower convex block is positioned in the lower accommodating groove when the piston rod of the cut-off cylinder retracts, and the transmission block is provided with a plurality of cut-off pieces which are matched with the joints of the body forming grooves and the connecting pieces; the forming core die movably penetrates through the lower mounting seat, the upper mounting seat, the lower forming die and the lower die insert, a jacking seat is arranged above the movable seat in the lower mounting seat, jacking holes matched with ejector rods of an injection molding machine tool are formed in the lower base and the movable seat, a jacking block matched with the jacking holes is arranged at the bottom of the jacking seat, a jacking piece is arranged on the upper periphery of the forming core die, the bottom of the jacking piece is positioned on the jacking seat, the top surface of the jacking piece is a part of the bottom wall of a forming cavity when a bottle cap is formed, and an outer forming block covering the peripheries of the jacking piece and the forming core die is further arranged in the lower forming die; the lower mounting seat is internally provided with a movable seat which moves up and down, the upper mounting seat is internally provided with a cover lifting oil cylinder which is vertically and downwardly arranged, the end part of a piston rod of the cover lifting oil cylinder is connected with the movable seat, and the bottom of the forming core mold is connected with the movable seat; the lower die is also provided with a cover closing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392251.2A CN107088991B (en) | 2017-05-27 | 2017-05-27 | Injection mold of bottle cap with top cap and body different in color |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710392251.2A CN107088991B (en) | 2017-05-27 | 2017-05-27 | Injection mold of bottle cap with top cap and body different in color |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107088991A CN107088991A (en) | 2017-08-25 |
| CN107088991B true CN107088991B (en) | 2023-03-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710392251.2A Active CN107088991B (en) | 2017-05-27 | 2017-05-27 | Injection mold of bottle cap with top cap and body different in color |
Country Status (1)
| Country | Link |
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| CN (1) | CN107088991B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110893663A (en) * | 2018-09-12 | 2020-03-20 | 马雪 | Rectangular shape injection molding |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254642A (en) * | 2008-03-02 | 2008-09-03 | 台州职业技术学院 | Dual-color one-shot forming injection mold and injection molding method thereof |
| CN101462344A (en) * | 2009-01-09 | 2009-06-24 | 东莞毅昌模具制造注塑有限公司 | Injection mold for molding double-color product and injection moulding method using the mold |
| CN201405486Y (en) * | 2009-05-20 | 2010-02-17 | 台州市黄岩西诺模具有限公司 | Rotary cover-turning device of injection mold for shampoo bottle covers |
| CN202540670U (en) * | 2012-04-19 | 2012-11-21 | 江天精密制造科技（苏州）有限公司 | Automatic cover closing device for cover turning injection mold |
| CN103481463A (en) * | 2013-09-23 | 2014-01-01 | 宁波瑞元模塑有限公司 | Double-color mold provided with movable embedded core |
| CN104118091A (en) * | 2014-07-11 | 2014-10-29 | 台州市黄岩汉威塑料模具有限公司 | Automatic cap-closing mechanism of bottle cap injection molding mold |
| CN104494047A (en) * | 2014-12-30 | 2015-04-08 | 东莞汇美模具制造有限公司 | Automatic cap closing mechanism of injection molding mold |
| CN204471753U (en) * | 2015-01-04 | 2015-07-15 | 深圳市安高模具有限公司 | A kind of double-color mold |
| CN105034269A (en) * | 2015-07-14 | 2015-11-11 | 严鹏 | Automatic production injection mold capable of achieving bottle capping automatically |
| CN105172041A (en) * | 2015-07-15 | 2015-12-23 | 季音 | Plastic injection mold for composite cap overturning bottle cap |
| CN206765279U (en) * | 2017-05-27 | 2017-12-19 | 张家港市天江精密模具制造有限公司 | A kind of injection mold of top cover and the different bottle cap of body color |
-
2017
- 2017-05-27 CN CN201710392251.2A patent/CN107088991B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101254642A (en) * | 2008-03-02 | 2008-09-03 | 台州职业技术学院 | Dual-color one-shot forming injection mold and injection molding method thereof |
| CN101462344A (en) * | 2009-01-09 | 2009-06-24 | 东莞毅昌模具制造注塑有限公司 | Injection mold for molding double-color product and injection moulding method using the mold |
| CN201405486Y (en) * | 2009-05-20 | 2010-02-17 | 台州市黄岩西诺模具有限公司 | Rotary cover-turning device of injection mold for shampoo bottle covers |
| CN202540670U (en) * | 2012-04-19 | 2012-11-21 | 江天精密制造科技（苏州）有限公司 | Automatic cover closing device for cover turning injection mold |
| CN103481463A (en) * | 2013-09-23 | 2014-01-01 | 宁波瑞元模塑有限公司 | Double-color mold provided with movable embedded core |
| CN104118091A (en) * | 2014-07-11 | 2014-10-29 | 台州市黄岩汉威塑料模具有限公司 | Automatic cap-closing mechanism of bottle cap injection molding mold |
| CN104494047A (en) * | 2014-12-30 | 2015-04-08 | 东莞汇美模具制造有限公司 | Automatic cap closing mechanism of injection molding mold |
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| CN105034269A (en) * | 2015-07-14 | 2015-11-11 | 严鹏 | Automatic production injection mold capable of achieving bottle capping automatically |
| CN105172041A (en) * | 2015-07-15 | 2015-12-23 | 季音 | Plastic injection mold for composite cap overturning bottle cap |
| CN206765279U (en) * | 2017-05-27 | 2017-12-19 | 张家港市天江精密模具制造有限公司 | A kind of injection mold of top cover and the different bottle cap of body color |
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| Publication number | Publication date |
|---|---|
| CN107088991A (en) | 2017-08-25 |
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