CN112829207B - Double-color injection mold - Google Patents
Double-color injection mold Download PDFInfo
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- CN112829207B CN112829207B CN202011624485.3A CN202011624485A CN112829207B CN 112829207 B CN112829207 B CN 112829207B CN 202011624485 A CN202011624485 A CN 202011624485A CN 112829207 B CN112829207 B CN 112829207B
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- oil cylinder
- sliding block
- free end
- slider
- close
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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
- B29C45/16—Making multilayered or multicoloured articles
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model provides a double-colored injection mold which characterized in that: the automatic oil cylinder positioning device comprises a first sliding block, a second sliding block, a first inclined guide column, a second inclined guide column, a first oil cylinder and a second oil cylinder, wherein the first oil cylinder is arranged on the outer side of the first sliding block, the second oil cylinder is arranged on the outer side of the second sliding block, a first guide seat and a second guide seat are respectively arranged on one side, close to the first oil cylinder, of the first sliding block and one side, close to the second oil cylinder, of the second sliding block, the free end of the first oil cylinder and the free end of the second oil cylinder are respectively in sliding connection with the first guide seat and the second guide seat, in an initial state, the end face of the free end of the first oil cylinder and the end face of the free end of the second oil cylinder are respectively away from the first sliding block and the second sliding block by a distance, the first inclined guide column and the first oil cylinder are consistent in moving direction, and the second inclined guide column and the second oil cylinder are consistent in moving direction. The size of the mold is smaller, so that the size of the injection molding machine is reduced, and the production cost is saved.
Description
Technical Field
The invention relates to the technical field of mold injection, in particular to a double-color injection mold.
Background
In a conventional automobile accessory, as shown in fig. 1, a hard glue 1a is used as a main body of the automobile accessory, and elongated soft glues 2a are injected only at the edges of the front side and the right side of the main body. Because the size of the main body of the product is very large, if a common rotary bicolor mold is adopted, the mold is designed to be very large, and the required injection molding machine is also very large, so that the production cost is also very high.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: provided is a two-color injection mold which has a small mold size, thereby reducing the size of an injection molding machine and saving the production cost.
The technical solution of the invention is as follows: the utility model provides a double-colored injection mold which characterized in that: the glue feeding device comprises a first sliding block arranged on the front side of a product, a second sliding block arranged on the right side of the product, a first inclined guide post used for driving the first sliding block, a second inclined guide post used for driving the second sliding block, a first oil cylinder arranged on the outer side of the first sliding block, and a second oil cylinder arranged on the outer side of the second sliding block, wherein a first guide seat and a second guide seat are respectively arranged on one side of the first sliding block close to the first oil cylinder and one side of the second sliding block close to the second oil cylinder, the free end of the first oil cylinder and the free end of the second oil cylinder are respectively in sliding connection with the first guide seat and the second guide seat, the end surface of the free end of the first oil cylinder and the end surface of the free end of the second oil cylinder are respectively away from the first sliding block and the second sliding block by a certain distance, the first inclined guide post and the first oil cylinder have the same moving direction and are used for driving the first sliding block to be close to or far away from the front side of the product to close to or open the glue feeding space of front side soft glue, the second inclined guide post is consistent with the moving direction of the second oil cylinder and used for driving the second sliding block to be close to or far away from the right side of the product so as to close or open the glue inlet space of right-side soft glue.
The working principle of the double-color injection mold is as follows:
when the die is closed, the first inclined guide post and the second inclined guide post respectively drive the first slider and the second slider to feed a first set distance, the free ends of the first oil cylinder and the second oil cylinder are ejected outwards to drive the first slider and the second slider to feed a second set distance, at the moment, the first slider and the first slider are used as sealing glue for first injection molding and hard glue molding, the first set distance is a main stroke, the second set distance is a micro-adjustment stroke, the oil cylinder is just fixed in the ejection process, and the slider and the oil cylinder are driven to synchronously move after the oil cylinder slides relative to the slider for a certain distance; during the die sinking, first oblique guide pillar and the oblique guide pillar of second drive first slider and second slider respectively and give up the first settlement distance of letting, the free end of first hydro-cylinder and second hydro-cylinder is inwards retracted in order to drive first slider and second slider and give up the second settlement distance, first slider and first slider form the front side flexible glue respectively with the front side and the rear side of product this moment and advance gluey space with the rear side flexible glue and advance gluey space, carry out the second time and mould plastics, the flexible glue shaping.
After adopting the structure, the invention has the following advantages:
the double-color injection mold of the invention abandons the conventional rotary double-color mold, and utilizes the left and right movement of the slide block to switch the injection molding of soft glue or hard glue, and the slide block and the matched mechanism thereof have very small and compact structure and small left and right movement range, so that the whole mold has smaller size, the size of the injection molding machine can be reduced, and the production cost is greatly saved; in addition, the main stroke of the forward or backward movement of the sliding block is completed by the inclined guide post, the stroke is relatively accurate under the control of the inclined guide post and can be completed when the mold is opened, the function reuse is realized, in addition, the oil cylinder is matched for adjusting the remained micro stroke to open or close the glue inlet space of the soft glue, so that the automatic switching between hard glue injection molding and soft glue injection molding is realized, the operation is very convenient, the actual stroke of the oil cylinder is the stroke of the oil cylinder moving relative to the sliding block and the micro-adjustment stroke, the extending or retracting length of the oil cylinder can be flexibly adjusted by adjusting the stroke of the oil cylinder moving relative to the sliding block during the design, the use is more flexible, the control precision is higher, and the precision requirement on the oil cylinder is reduced by comparing the large stroke with the small stroke, so that the cost can be further saved.
Preferably, the end parts of the free ends of the first oil cylinder and the second oil cylinder are T-shaped, and T-shaped guide holes matched with the end parts of the free ends of the first oil cylinder and the second oil cylinder are also formed in the first guide seat and the second guide seat. The arrangement can prevent the free end of the oil cylinder from falling off from the guide seat, and the movement is more reliable.
Preferably, the first guide seat and the second guide seat are embedded in the first sliding block and the second sliding block respectively. This arrangement makes the structure simpler and more compact.
Preferably, one side of the first sliding block close to the first oil cylinder and one side of the second sliding block close to the second oil cylinder are respectively provided with a first U-shaped groove and a second U-shaped groove which are used for accommodating the first guide seat and the second guide seat, and the first guide seat and the second guide seat are embedded on the first sliding block and the second sliding block respectively through the first U-shaped groove and the second U-shaped groove. The embedded structure is simple and reliable.
Description of the drawings:
FIG. 1 is a schematic structural view of a conventional automobile accessory;
FIG. 2 is a schematic structural view of a two-color injection mold of the present invention;
FIG. 3 is another schematic structural view of the two-shot injection mold of the present invention;
FIG. 4 is a schematic view of the assembly of the cylinder and the slider according to the present invention;
in the prior art figures: 1 a-hard glue and 2 a-soft glue;
in the figure of the invention: 1-a first slide block, 2-a second slide block, 3-a first inclined guide post, 4-a second inclined guide post, 5-a first oil cylinder, 6-a second oil cylinder, 7-a first guide seat, 8-a second guide seat, 9-a free end of the first oil cylinder, 10-a free end of the second oil cylinder, 11-a glue inlet space, 12-a T-shaped guide hole, 13-a first U-shaped groove and 14-a second U-shaped groove.
Detailed Description
The invention is further described with reference to the following embodiments in conjunction with the accompanying drawings.
Example (b):
a double-color injection mold comprises a first sliding block 1 arranged on the front side of a product, a second sliding block 2 arranged on the right side of the product, a first inclined guide post 3 used for driving the first sliding block 1, and a second inclined guide post 4 used for driving the second sliding block 2, wherein the inclined guide posts are installed by adopting the prior art, the double-color injection mold also comprises a first oil cylinder 5 arranged on the outer side of the first sliding block 1 and a second oil cylinder 6 arranged on the outer side of the second sliding block 2, one side of the first sliding block 1 close to the first oil cylinder 5 and one side of the second sliding block 2 close to the second oil cylinder 6 are respectively provided with a first guide seat 7 and a second guide seat 8, a free end 9 of the first oil cylinder 5 and a free end 10 of the second oil cylinder 6 are respectively in sliding connection with the first guide seat 7 and the second guide seat 8, and in an initial state, the end surface of the free end 9 of the first oil cylinder 5 and the end surface of the free end 10 of the second oil cylinder 6 are respectively separated from the first sliding block 1 and the second sliding block 2 by a certain distance, the first inclined guide post 3 is consistent with the first oil cylinder 5 in movement direction and used for driving the first sliding block 1 to be close to or far away from the front side of the product so as to seal or open the glue inlet space 11 of the front side soft glue, and the second inclined guide post 4 is consistent with the second oil cylinder 6 in movement direction and used for driving the second sliding block 2 to be close to or far away from the right side of the product so as to seal or open the glue inlet space 11 of the right side soft glue.
The double-color injection mold of the invention abandons the conventional rotary double-color mold, and utilizes the left and right movement of the slide block to switch the injection molding of soft glue or hard glue, and the slide block and the matched mechanism thereof have very small and compact structure and small left and right movement range, so that the whole mold has smaller size, the size of the injection molding machine can be reduced, and the production cost is greatly saved; in addition, the main stroke of the forward or backward movement of the sliding block is completed by the inclined guide post, the stroke is relatively accurate under the control of the inclined guide post and can be completed when the mould is opened, the function reuse is realized, in addition, the adjustment of the remained micro stroke is carried out by matching with the oil cylinder, so as to open or close the glue inlet space 11 of the soft glue, thereby realizing the automatic switching of hard glue injection molding and soft glue injection molding, the operation is very convenient, the actual stroke of the oil cylinder is the stroke of the oil cylinder moving relative to the sliding block and the micro adjustment stroke, therefore, the extending or retracting length of the oil cylinder can be flexibly adjusted by adjusting the stroke of the oil cylinder moving relative to the sliding block during the design, the use is more flexible, the control precision is higher, and the requirement on the precision of the oil cylinder is reduced compared with the large stroke and the small stroke, thereby further saving the cost.
Preferably, the end portions of the free ends 10 of the first oil cylinder 5 and the second oil cylinder 6 are T-shaped, and the first guide seat 7 and the second guide seat 8 are also provided with T-shaped guide holes 12 matched with the end portions of the free ends 10 of the first oil cylinder 5 and the second oil cylinder 6. The arrangement can prevent the free end of the oil cylinder from falling off from the guide seat, and the movement is more reliable.
Preferably, the first guide seat 7 and the second guide seat 8 are embedded in the first slider 1 and the second slider 2, respectively. This arrangement makes the structure simpler and more compact.
Preferably, a first U-shaped groove 13 and a second U-shaped groove 14 for accommodating the first guide seat 7 and the second guide seat 8 are respectively arranged on one side of the first slider 1 close to the first oil cylinder 5 and one side of the second slider 2 close to the second oil cylinder 6, and the first guide seat 7 and the second guide seat 8 are respectively embedded in the first slider 1 and the second slider 2 through the first U-shaped groove 13 and the second U-shaped groove 14. The embedded structure is simple and reliable.
The working principle of the double-color injection mold is as follows:
when the die is closed, the first inclined guide post 3 and the second inclined guide post 4 respectively drive the first slider 1 and the second slider 2 to feed a first set distance, the free ends 10 of the first oil cylinder 5 and the second oil cylinder 6 are ejected outwards to drive the first slider 1 and the second slider 2 to feed a second set distance, at the moment, the first slider 1 and the first slider 1 are used as sealing glue for first injection molding and hard glue molding, the first set distance is a main stroke, the second set distance is a micro-adjustment stroke, the oil cylinder is just fixed in the ejection process, and the slider is driven to synchronously move after the oil cylinder slides relative to the slider for a certain distance; during the die sinking, first oblique guide pillar 3 and second oblique guide pillar 4 drive first slider 1 and second slider 2 respectively and give up the first settlement distance of letting, the free end 10 of first hydro-cylinder 5 and second hydro-cylinder 6 is inwards retracted in order to drive first slider 1 and second slider 2 and give up the second settlement distance, first slider 1 and first slider 1 form the front side flexible glue respectively with the front side and the rear side of product this moment and advance gluey space 11 and the gluey space 11 of rear side flexible glue, carry out the second time and mould plastics, the flexible glue shaping.
Claims (2)
1. The utility model provides a double-colored injection mold which characterized in that: the automatic feeding device comprises a first sliding block (1) arranged on the front side of a product, a second sliding block (2) arranged on the right side of the product, a first inclined guide post (3) used for driving the first sliding block (1), and a second inclined guide post (4) used for driving the second sliding block (2), and further comprises a first oil cylinder (5) arranged on the outer side of the first sliding block (1) and a second oil cylinder (6) arranged on the outer side of the second sliding block (2), wherein a first guide seat (7) and a second guide seat (8) are respectively arranged on one side, close to the first oil cylinder (5), of the first sliding block (1) and one side, close to the second oil cylinder (6), of the second sliding block (2), a free end (9) of the first oil cylinder and a free end (10) of the second oil cylinder are respectively in sliding connection with the first guide seat (7) and the second guide seat (8), and in an initial state, the end face of the free end (9) of the first oil cylinder and the free end (10) of the second oil cylinder are respectively in sliding connection with the first sliding block (1) and the second sliding block (2) At a certain distance, the first inclined guide post (3) and the first oil cylinder (5) have the same moving direction and are used for driving the first sliding block (1) to be close to or far away from the front side of the product so as to seal or open the glue inlet space (11) of the soft glue on the front side, and the second inclined guide post (4) and the second oil cylinder (6) have the same moving direction and are used for driving the second sliding block (2) to be close to or far away from the right side of the product so as to seal or open the glue inlet space (11) of the soft glue on the right side;
first guide holder (7) and second guide holder (8) inlay respectively on first slider (1) and second slider (2), one side that first slider (1) is close to first hydro-cylinder (5) and one side that second slider (2) are close to second hydro-cylinder (6) are equipped with first U type groove (13) and second U type groove (14) that are used for holding first guide holder (7) and second guide holder (8) respectively, first guide holder (7) and second guide holder (8) inlay on first slider (1) and second slider (2) through first U type groove (13) and second U type groove (14) respectively.
2. A two-shot injection mold as defined in claim 1, wherein: the end parts of the free end (9) of the first oil cylinder and the free end (10) of the second oil cylinder are T-shaped, and T-shaped guide holes (12) matched with the end parts of the free end (9) of the first oil cylinder and the free end (10) of the second oil cylinder are also formed in the first guide seat (7) and the second guide seat (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624485.3A CN112829207B (en) | 2020-12-31 | 2020-12-31 | Double-color injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011624485.3A CN112829207B (en) | 2020-12-31 | 2020-12-31 | Double-color injection mold |
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| Publication Number | Publication Date |
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| CN112829207A CN112829207A (en) | 2021-05-25 |
| CN112829207B true CN112829207B (en) | 2022-06-21 |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102079124B (en) * | 2009-11-26 | 2013-04-10 | 群达模具(深圳)有限公司 | Ventilator hood injection mould |
| 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 |
| CN104859090A (en) * | 2015-04-17 | 2015-08-26 | 滁州市杰伦特模具塑胶有限公司 | Automobile windshield wiper grille molding method and injection mold for implementing method |
| CN104943062B (en) * | 2015-04-21 | 2018-08-17 | 东莞康佳模具塑胶有限公司 | A kind of double-deck overlaying part injection molding forming method and the injection mold for implementing this method |
| CN109397655B (en) * | 2017-08-17 | 2024-05-31 | 海天塑机集团有限公司 | Mould closing mechanism of two-plate injection molding machine |
| CN207808263U (en) * | 2018-01-22 | 2018-09-04 | 常州华威模具有限公司 | A kind of rotating bichromal injection mold multifunction structure |
| CN108839299A (en) * | 2018-08-13 | 2018-11-20 | 上海迪质特信息科技有限公司 | Double-color mold device with duplexing bit-type core Yu double-station sliding block |
| CN110549548A (en) * | 2019-08-27 | 2019-12-10 | 宁波米勒模具制造有限公司 | Double-color injection mold and molding method |
| CN211591158U (en) * | 2019-12-06 | 2020-09-29 | 青岛双益塑料制品有限公司 | Internal core-pulling injection mold with adjustable core-pulling distance |
| CN110978419A (en) * | 2019-12-30 | 2020-04-10 | 青岛海泰科模具有限公司 | Rotary sliding block structure and double-color injection mold |
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- 2020-12-31 CN CN202011624485.3A patent/CN112829207B/en active Active
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| CN112829207A (en) | 2021-05-25 |
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