CN215550651U - Bottle lid injection mold convenient to drawing of patterns - Google Patents
Bottle lid injection mold convenient to drawing of patterns Download PDFInfo
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- CN215550651U CN215550651U CN202121412941.8U CN202121412941U CN215550651U CN 215550651 U CN215550651 U CN 215550651U CN 202121412941 U CN202121412941 U CN 202121412941U CN 215550651 U CN215550651 U CN 215550651U
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- driving ring
- plate
- bottle cap
- die
- injection mold
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Abstract
The utility model relates to a bottle cap injection mold convenient for demolding, which comprises: the lower die assembly comprises a lower die plate, a plurality of core rods and a plurality of balls; the bottom end of the core rod is coaxially connected with a driven gear, and the top end of the core rod is provided with a screw rod part; the demolding assembly comprises a bearing plate, a driving ring, a rack and a cylinder; the inner periphery of the driving ring is meshed with the driven gear, and the top end of the driving ring is abutted with the ball; the upper die assembly comprises an upper die plate and a plurality of forming dies; the cope match-plate pattern is used for the butt lower bolster, and the bottom surface of moulded die is used for the butt lower bolster, and the moulded die is used for covering establishes screw rod portion. The bottle cap injection mold convenient to demold is simple in structure and convenient to use, the rack is used for driving the driving ring to rotate, the driving core rod synchronously rotates, the screw rod portion and the bottle cap relatively rotate, and accordingly demolding of the bottle cap is achieved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a bottle cap injection mold convenient for demolding.
Background
The plastic bottle cap is a common packaging form of the prior bottle, can and barrel packaging, is widely applied to the fields of beverages, chemical industry and the like, generally takes polyolefin as a main raw material, is processed and formed by processes such as injection molding or hot pressing, and generally needs a corresponding injection mold for the injection molded plastic bottle cap.
When the plastic bottle cap is subjected to injection molding and compression molding, most of demolding structures in the mold are elastic ejector rod structures, and the molded bottle cap is pushed out by using the ejector rod.
SUMMERY OF THE UTILITY MODEL
Based on the above, the bottle cap injection mold convenient for demolding is simple in structure and convenient to use, the rack is used for driving the core rod to synchronously rotate, the core rod and the bottle cap can conveniently rotate relatively, and the demolding effect is achieved.
In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:
a bottle lid injection mold convenient to drawing of patterns includes:
the lower die assembly comprises a lower die plate, a plurality of core rods and a plurality of balls, wherein the core rods can be relatively rotatably arranged in the middle of the lower die plate, and the balls are annularly arranged around the core rods; the bottom end of the core rod is coaxially connected with a driven gear, and the top end of the core rod is provided with a screw rod part; the driven gear is positioned on one side of the bottom surface of the lower template, and the screw rod part is positioned on one side of the top surface of the lower template;
the demolding component is arranged at the bottom of the lower die component; the demolding assembly comprises a bearing plate connected to the bottom of the lower template at intervals, a driving ring which can be installed on the bearing plate in a relatively rotating mode, a rack which is connected with the periphery of the driving ring in a meshed mode, and an air cylinder which is connected with the rack; the inner periphery of the driving ring is in meshed connection with the driven gear, and the top end of the driving ring is abutted against the ball; and
the upper die assembly is used for matching and abutting against the top of the lower die assembly; the upper die assembly comprises an upper die plate and a plurality of forming dies which are detachably arranged on the bottom surface of the upper die plate; the upper template is used for being abutted to the lower template, the bottom surface of the forming die is used for being abutted to the lower template, and the forming die is used for covering the screw rod part.
The bottle cap injection mold convenient to demold is simple in structure and convenient to use, the rack is used for driving the driving ring to rotate, the driving core rod synchronously rotates, the screw rod portion and the bottle cap relatively rotate, and accordingly demolding of the bottle cap is achieved.
In one embodiment, a cavity is formed in one surface, facing the lower template, of the forming die, and the cavity is used for the screw part to be inserted; the inside profile of die cavity with the outside profile of screw rod portion is the interval setting, the die cavity with the clearance between the screw rod portion forms the chamber of moulding plastics.
In one embodiment, the middle part of the upper template is provided with an injection molding hole, and the injection molding hole is communicated with the injection molding cavity.
In one embodiment, the drive ring is located between the bearing plate and the lower die plate; the outer periphery of the driving ring is provided with an outer gear ring which is matched and meshed with the rack; and an inner gear ring is arranged on the inner periphery of the driving ring and is matched and meshed with the driven gear.
In one embodiment, a plurality of through holes are uniformly formed in the middle of the lower template at intervals, and the core rod can be relatively rotatably arranged in the through holes; the inner diameter of the via hole is equal to the diameter of the core rod.
In one embodiment, the lower die assembly further comprises a plurality of guide rods connected to opposite four corners of the top surface of the lower die plate; and guide holes are formed in the four opposite corners of the upper template and correspond to the guide rods one to one.
Drawings
Fig. 1 is a schematic perspective view of a bottle cap injection mold facilitating demolding according to an embodiment of the present invention;
fig. 2 is an exploded view of the injection mold for a bottle cap for facilitating demolding shown in fig. 1;
fig. 3 is a schematic diagram comparing another view angle of the upper mold assembly and the lower mold assembly in the injection mold for easily demolding the bottle cap shown in fig. 2;
fig. 4 is an enlarged schematic view of the circle a shown in fig. 2.
Reference is made to the accompanying drawings in which:
10-a lower die assembly, 11-a lower die plate, 12-a core bar, 121-a driven gear, 122-the core bar, 13-balls, 14-a guide rod and 15-a via hole;
20-demoulding component, 21-bearing plate, 22-driving ring, 23-rack, 24-cylinder, 25-external gear ring, 26-internal gear ring, 27-strut;
30-upper die assembly, 31-upper die plate, 32-forming die, 33-cavity, 34-injection hole and 35-guide hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
Referring to fig. 1 to 4, an injection mold for a bottle cap, which is convenient for demolding according to an embodiment of the present invention, includes a lower mold assembly 10, a demolding assembly 20 installed at the bottom of the lower mold assembly 10, and an upper mold assembly 30 for matching and abutting against the top of the lower mold assembly 10.
The lower die assembly 10 includes a lower die plate 11, a plurality of core bars 12 rotatably mounted in the middle of the lower die plate 11, a plurality of balls 13 annularly disposed around the core bars 12, and a plurality of guide rods 14 connected to the four opposite corners of the top surface of the lower die plate 11. The bottom end of the core rod 12 is coaxially connected with a driven gear 121, and the driven gear 121 is used for connecting the demoulding assembly 20; the top end of the core rod 12 has a screw portion 122, and the screw portion 122 is used for inserting the upper die assembly 30. The balls 13 are relatively rotatably arranged on the bottom surface of the lower template 11, and the balls 13 are used for abutting against the demoulding assembly 20.
As shown in fig. 3 and 4, a plurality of via holes 15 are formed in the middle of the lower mold plate 11 at regular intervals, the core rod 12 is relatively rotatably installed in the via holes 15, the driven gear 121 is located on one side of the bottom surface of the lower mold plate 11, and the screw portion 122 is located on one side of the top surface of the lower mold plate 11. In this embodiment, the inner diameter of the through hole 15 is equal to the diameter of the core rod 12, so as to prevent the molten plastic material from leaking.
The demolding assembly 20 comprises a bearing plate 21 connected to the bottom of the lower template 11 at intervals, a driving ring 22 relatively rotatably mounted on the bearing plate 21, a rack 23 meshed and connected with the periphery of the driving ring 22, and a cylinder 24 connected with the rack 23; the inner periphery of the drive ring 22 is engaged with the driven gear 121, and the top end of the drive ring 22 abuts against the balls 13 to reduce friction and improve rotation efficiency. As shown in fig. 2 and 3, the driving ring 22 is located between the bearing plate 21 and the lower die plate 11, an outer gear ring 25 is mounted on the outer periphery of the driving ring 22, and the outer gear ring 25 is matched with and meshed with the rack 23; an inner gear ring 26 is mounted on the inner periphery of the driving ring 22, and the inner gear ring 26 is in matching engagement with the driven gear 121, so that when the rack 23 drives the driving ring 22 to rotate, the stem 12 can be driven to rotate synchronously, and the mutual separation of the stem 12 and the bottle cap is realized.
Specifically, the bearing plate 21 is connected with the lower template 11 through a plurality of pillars 27, the cylinder body of the air cylinder 24 is fixedly mounted on the bearing plate 21, and the piston rod of the air cylinder 24 is connected with the rack 23.
The upper mold assembly 30 includes an upper mold plate 31 and a plurality of molding dies 32 detachably mounted on a bottom surface of the upper mold plate 31. The upper die plate 31 is used for abutting against the lower die plate 11, the bottom surface of the forming die 32 is used for abutting against the lower die plate 11, and the forming die 32 is used for covering the screw part 122. One surface of the forming die 32 facing the lower die plate 11 is opened with a cavity 33, and the cavity 33 is used for inserting the screw part 122. Wherein, the inside profile of die cavity 33 and the outside profile of screw portion 122 are the interval setting, and the clearance between die cavity 33 and the screw portion 122 forms the injection molding chamber. Further, as shown in fig. 2, an injection molding hole 34 is formed in the middle of the upper mold plate 31, and the injection molding hole 34 is communicated with the injection molding cavity, so that molten plastic raw materials can flow into the injection molding cavity for fixing and molding, and the bottle cap is formed.
In the processing process, after the bottle cap is fixed and molded, the upper die assembly 30 starts to be away from the lower die assembly 10, and at the same time, the air cylinder 24 is started, the rack 23 is used for driving the driving ring 22 to rotate, the core rod 12 is driven to synchronously rotate, so that the screw rod part 122 and the bottle cap rotate relatively, and the demolding of the bottle cap is realized.
The opposite four corners of the upper die plate 31 are further provided with guide holes 35, and the guide holes 35 correspond to the guide rods 14 one by one, so that the upper die assembly 30 and the lower die assembly 10 are accurately aligned.
The bottle cap injection mold convenient for demolding is simple in structure and convenient to use, the rack 23 is used for driving the driving ring 22 to rotate, the core rod 12 is driven to synchronously rotate, and the screw rod portion 122 and a bottle cap rotate relatively to realize demolding of the bottle cap.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (6)
1. The utility model provides a bottle lid injection mold convenient to drawing of patterns which characterized in that includes:
the lower die assembly comprises a lower die plate, a plurality of core rods and a plurality of balls, wherein the core rods can be relatively rotatably arranged in the middle of the lower die plate, and the balls are annularly arranged around the core rods; the bottom end of the core rod is coaxially connected with a driven gear, and the top end of the core rod is provided with a screw rod part; the driven gear is positioned on one side of the bottom surface of the lower template, and the screw rod part is positioned on one side of the top surface of the lower template;
the demolding component is arranged at the bottom of the lower die component; the demolding assembly comprises a bearing plate connected to the bottom of the lower template at intervals, a driving ring which can be installed on the bearing plate in a relatively rotating mode, a rack which is connected with the periphery of the driving ring in a meshed mode, and an air cylinder which is connected with the rack; the inner periphery of the driving ring is in meshed connection with the driven gear, and the top end of the driving ring is abutted against the ball; and
the upper die assembly is used for matching and abutting against the top of the lower die assembly; the upper die assembly comprises an upper die plate and a plurality of forming dies which are detachably arranged on the bottom surface of the upper die plate; the upper template is used for being abutted to the lower template, the bottom surface of the forming die is used for being abutted to the lower template, and the forming die is used for covering the screw rod part.
2. The bottle cap injection mold convenient for demolding as claimed in claim 1, wherein a cavity is formed in one side, facing the lower mold plate, of the forming mold, and the cavity is used for inserting the screw part; the inside profile of die cavity with the outside profile of screw rod portion is the interval setting, the die cavity with the clearance between the screw rod portion forms the chamber of moulding plastics.
3. The bottle cap injection mold convenient to demold of claim 2, wherein the middle portion of the upper mold plate is provided with an injection hole, and the injection hole is communicated with the injection cavity.
4. The easy-to-demold bottle cap injection mold of claim 1, wherein the driving ring is located between the loading plate and the lower platen; the outer periphery of the driving ring is provided with an outer gear ring which is matched and meshed with the rack; and an inner gear ring is arranged on the inner periphery of the driving ring and is matched and meshed with the driven gear.
5. The bottle cap injection mold convenient to demold of claim 1, wherein a plurality of through holes are formed in the middle of the lower template at regular intervals, and the core rod is relatively rotatably installed in the through holes; the inner diameter of the via hole is equal to the diameter of the core rod.
6. The injection mold for bottle caps convenient to demold according to claim 1, wherein the lower mold assembly further comprises a plurality of guide rods connected to opposite four corners of the top surface of the lower mold plate; and guide holes are formed in the four opposite corners of the upper template and correspond to the guide rods one to one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412941.8U CN215550651U (en) | 2021-06-24 | 2021-06-24 | Bottle lid injection mold convenient to drawing of patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121412941.8U CN215550651U (en) | 2021-06-24 | 2021-06-24 | Bottle lid injection mold convenient to drawing of patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215550651U true CN215550651U (en) | 2022-01-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121412941.8U Active CN215550651U (en) | 2021-06-24 | 2021-06-24 | Bottle lid injection mold convenient to drawing of patterns |
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| Country | Link |
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| CN (1) | CN215550651U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116512534A (en) * | 2023-07-03 | 2023-08-01 | 张家港市品杰模塑科技有限公司 | Automatic thread-removing injection mold for bottle caps |
-
2021
- 2021-06-24 CN CN202121412941.8U patent/CN215550651U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116512534A (en) * | 2023-07-03 | 2023-08-01 | 张家港市品杰模塑科技有限公司 | Automatic thread-removing injection mold for bottle caps |
| CN116512534B (en) * | 2023-07-03 | 2023-08-25 | 张家港市品杰模塑科技有限公司 | Automatic thread-removing injection mold for bottle caps |
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