CN217454752U - Injection mold with automatic demolding device - Google Patents
Injection mold with automatic demolding device Download PDFInfo
- Publication number
- CN217454752U CN217454752U CN202221547104.0U CN202221547104U CN217454752U CN 217454752 U CN217454752 U CN 217454752U CN 202221547104 U CN202221547104 U CN 202221547104U CN 217454752 U CN217454752 U CN 217454752U
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- demolding
- mold
- demoulding
- ejector rod
- mould
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Abstract
The utility model relates to the technical field of injection molds, and provides an injection mold with an automatic demoulding device, which comprises a mold and a stripping device for demoulding, wherein the stripping device is uniformly distributed on the mold and comprises a demoulding fixed sleeve, a demoulding ejector rod and a demoulding air hole, the demoulding fixed sleeve is embedded on the working surface of the mold, the demoulding ejector rod is sheathed in the demoulding fixed sleeve and is in sliding connection with the demoulding fixed sleeve, and the demoulding ejector rod extends out to eject the material on the working surface of the mold; the demolding fixed sleeve is internally provided with demolding air holes, the demolding ejector rod retracts to control the air outlet of the demolding air holes, and the air outlet of the demolding air holes is used for assisting demolding of materials on the mold; the utility model discloses a cooperation between drawing of patterns ejector pin and the fixed cover of drawing of patterns realizes moulding plastics when the drawing of patterns ejector pin is motionless, and during the withdrawal, the drawing of patterns gas pocket is given vent to anger and is carried out the drawing of patterns to the material, with the ejecting drawing of patterns that carries on of material when stretching out.
Description
Technical Field
The utility model relates to an injection mold technical field particularly, relates to an injection mold with automatic shedder.
Background
Injection molding is a method for producing and molding industrial products, the products are usually realized by an injection molding machine and a mold, thermoplastic plastics or thermosetting materials are made into plastic products with various shapes by utilizing a plastic molding mold, particularly, the mold used in injection molding plays a key role in the injection molding process, and the existing injection molds take materials manually after the injection molding is finished, so that the time is consumed, and the operation is extremely easy to cause danger, so that the improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model provides a problem be mould plastics and accomplish the back, adopt the manual work to get the material, consuming time and wasting power.
In order to solve the problems, the utility model provides an injection mold with an automatic demoulding device, which comprises a mold and a stripping device for demoulding, wherein the contact material end of the mold is uniformly distributed on the stripping device, the stripping device comprises a demoulding fixed sleeve, a demoulding ejector rod and a demoulding air hole, the demoulding fixed sleeve is embedded on the working surface of the mold, the demoulding ejector rod is sleeved in the demoulding fixed sleeve and is in sliding connection with the demoulding fixed sleeve, the side wall of the demoulding fixed sleeve is provided with the demoulding air hole, and the drawing back of the demoulding ejector rod is used for controlling the air outlet of the demoulding air hole to assist demoulding of materials on the mold; and the stretching-out of the demolding ejector rod is used for demolding the material on the working surface of the mold.
Preferably, the stiff end of drawing of patterns ejector pin sets up the double-stroke cylinder, the output of double-stroke cylinder with the stiff end fixed connection of drawing of patterns ejector pin, the double-stroke cylinder is used for control drawing of patterns ejector pin and withdrawal.
Preferably, the side wall of the demolding fixing sleeve is attached to the outer surface of the demolding ejector rod, and the demolding ejector rod is used for preventing materials from flowing out of the side wall of the demolding fixing sleeve.
Preferably, the side wall of the demolding fixing sleeve is provided with a groove, the demolding air holes are uniformly distributed in the groove, and the groove is used for preventing the demolding air holes from being blocked.
Preferably, the inside of the demoulding fixing sleeve is provided with a gas path pipeline, and the gas path pipeline is connected with the demoulding air hole and used for supplying gas to the demoulding air hole.
Preferably, the mould includes cover half and movable mould, be provided with the mouth of moulding plastics on the cover half, the mouth of moulding plastics is provided with filter equipment, filter equipment is used for the convection current to advance material in the mould filters.
Preferably, the fixed die is provided with a positioning taper hole, the movable die is provided with a positioning taper pin, and the positioning taper pin is matched with the positioning taper hole and used for positioning the fixed die and the movable die.
Preferably, heating pipes are uniformly distributed in the die and used for heating the die.
Has the advantages that: the utility model discloses a cooperation between fixed cover of drawing of patterns ejector pin and drawing of patterns, when drawing of patterns ejector pin is fixed unchangeable, in the top and the mould working face of drawing of patterns ejector pin are in the coplanar, mould plastics to the mould, after the completion of moulding plastics, drawing of patterns ejector pin withdrawal, drawing of patterns gas pocket does not have the hindrance to expose, and drawing of patterns gas pocket is blown the material, and when the drawing of patterns ejector pin stretches out beyond the mould working face, outside the ejection of patterns mould plastics the material after the completion of drawing of patterns ejector pin, the utility model discloses a supplementary drawing of patterns of blowing, the drawing of patterns of back ejector pin not only prevent to injure the material when the ejector pin drawing of patterns, realize automatic drawing of patterns moreover, labour saving and time saving.
Drawings
FIG. 1 is a schematic view of the overall split structure of the stripping device of the present invention;
FIG. 2 is a schematic view of the injection molding state subdivision structure of the stripping device of the present invention;
FIG. 3 is a schematic view of a split structure of the air-blowing demoulding state of the stripping device of the present invention;
FIG. 4 is a schematic view of a split structure of a demoulding ejector rod demoulding state of the stripping device of the present invention;
fig. 5 is a schematic view of the overall structure of the present invention;
FIG. 6 is a schematic view of the mold splitting structure of the present invention;
description of reference numerals:
1-moving a mould; 2-fixing the mold; 3-a filtration device; 4-gas circuit joint; 5-internal heating means; 21-demolding and fixing the sleeve; 22-demoulding ejector rods; 23-a gas path pipeline; 24-demoulding air holes; 25-a groove; 26-a double stroke cylinder; 27-heating tube; 28-positioning the taper hole; 29-positioning the taper pin.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or otherwise described herein.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the description herein, references to the description of the terms "an example," "one example," and "one implementation," etc., mean that a particular feature, structure, material, or characteristic described in connection with the example or implementation is included in at least one example or implementation of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or implementation. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or implementations.
In an embodiment of the present invention, as shown in fig. 1, the material contacting end of the mold is uniformly distributed on the stripping device, the stripping device includes a demolding fixing sleeve 21, a demolding ejector rod 22 and a demolding air hole 24, the demolding fixing sleeve 21 is embedded in the working surface of the mold, the demolding ejector rod 22 is sleeved in the demolding fixing sleeve 21 and is slidably connected to the demolding fixing sleeve 21, the side wall of the demolding fixing sleeve 21 is provided with the demolding air hole 24, and the retraction of the demolding ejector rod 22 is used for controlling the air outlet of the demolding air hole 24 to assist in demolding of the material on the mold; the extension of the ejector pin 22 is used for demoulding the material on the working surface of the mould.
It should be noted that, a plurality of demolding fixing sleeves 21 are embedded in the outer surface of the mold contacting material, a demolding ejector rod 22 is arranged in the demolding fixing sleeve 21 in a sleeved mode, so that the demolding ejector rod 22 can slide relatively in the demolding fixing sleeve 21, meanwhile, the sealing performance between the demolding ejector rod 22 and the demolding fixing sleeve 21 can be guaranteed when the sliding is guaranteed, a plurality of demolding air holes 24 are arranged at the end, close to the outer surface of the mold, of the demolding fixing sleeve 21, and the demolding air holes 24 are arranged on the inner wall of the demolding fixing sleeve 21 in a surrounding mode; when the top end of the demolding ejector rod 22 and the top end of the demolding fixing sleeve 21 are located on the same plane, the top end of the demolding ejector rod 22, the top end of the demolding fixing sleeve 21 and the outer side face of the mold form an integral surface, and therefore injection molding operation is achieved; when the demoulding ejector rod 22 is positioned at the lower end of the demoulding air hole 24, the demoulding air hole 24 blows air outwards due to no object blocking, and the air blows the finished product after injection moulding away from the working surface of the mould through the demoulding fixing sleeve 21, so that the aim of auxiliary demoulding is fulfilled; when the demoulding ejector rod 22 exceeds the top end of the demoulding fixed sleeve 21, the demoulding ejector rod 22 ejects the material out of the mould, so that the aim of demoulding is fulfilled.
In an embodiment of the present invention, as shown in fig. 2, 3 and 4, the fixed end of the demolding push rod 22 is provided with a double-stroke cylinder 26, the output end of the double-stroke cylinder 26 is fixedly connected with the fixed end of the demolding push rod 22, and the double-stroke cylinder 26 is used for controlling the stretching and retracting of the demolding push rod 22.
It should be noted that, a double-stroke cylinder 26 is arranged at the lower end of the demoulding ejector rod 22, so that the output end of the double-stroke cylinder 26 is fixedly connected with the lower end of the demoulding ejector rod 22, the demoulding ejector rod 22 moves by driving the output end of the double-stroke cylinder 26 to move, when the double-stroke cylinder 26 is in a retraction state, the output end of the double-stroke cylinder 26 drives the demoulding ejector rod 22 to be in a retraction state, at this time, the demoulding ejector rod 22 is at the lowest end of the demoulding fixed sleeve 21, the demoulding air hole 24 is in an opening state, the demoulding air hole 24 blows air between the mould and a product, when the double-stroke cylinder 26 is in a first extension state, the output end of the double-stroke cylinder 26 drives the top end of the demoulding ejector rod 22, the demoulding fixed sleeve 21 and the outer surface of the mould to be in a plane, at this time, when the double-stroke cylinder 26 is in a second extension state, the output end of the double-stroke cylinder 26 drives the demoulding ejector rod 22 to exceed the top end of the demoulding fixing sleeve 21 and the outer surface of the mould, so that a product is ejected from the outer surface of the mould, and the purposes of gas-assisted demoulding, injection moulding and ejector rod automatic demoulding are realized through the expansion and contraction of the double-stroke cylinder.
In an embodiment of the present invention, as shown in fig. 1, the side wall of the mold release fixing sleeve 21 is attached to the outer surface of the mold release carrier rod 22 for preventing the material from flowing out of the side wall of the mold release fixing sleeve 21.
It should be noted that, in order to prevent the leakage of the material, the side wall of the demolding fixed sleeve 21 and the outer surface of the demolding top rod 22 are tightly attached and can slide relatively, at this time, when the material flows into the mold, the top end of the demolding top rod 22, the top end of the demolding fixed sleeve 21 and the outer surface of the mold are in the same plane, and meanwhile, the sealing performance between the demolding top rod 22 and the demolding fixed sleeve 21 is ensured, and the material is prevented from overflowing to cause product defects.
In an embodiment of the present invention, as shown in fig. 3, the sidewall of the mold releasing fixing sleeve 21 is provided with a groove 25, the mold releasing air holes 24 are uniformly distributed in the groove 25, and the groove 25 is used to prevent the mold releasing air holes 24 from being blocked.
It should be noted that, an annular groove is provided on the side wall of the upper end of the demolding fixing sleeve 21, and a plurality of demolding air holes 24 are uniformly provided at the bottom of the annular groove, when the demolding ejection rod 22 slides relatively in the demolding fixing sleeve 21, the impurities on the top end of the demolding ejection rod 22 can be effectively blown away by the air flow of the demolding air holes 24 when passing through the annular groove, and the demolding air holes 24 are ensured not to be blocked by the impurities of the demolding ejection rod 22 to the maximum extent.
In an embodiment of the present invention, as shown in fig. 3, an air channel pipeline 23 is disposed inside the mold releasing fixing sleeve 21, the air channel pipeline 23 is connected to the mold releasing air hole 24, and is used for supplying air to the mold releasing air hole 24.
It should be noted that, in order to realize the pneumatic demoulding and the ejector pin demoulding simultaneously, the gas path pipeline 23 is arranged in the demoulding fixing sleeve 21, and the gas path pipeline 23 is communicated with the demoulding air hole 24, so that the gas flow can pass through the gas path pipeline 23 and the demoulding air hole 24 by blowing the gas path pipeline 23, and finally flows out through the inner side wall of the demoulding fixing sleeve 21, thereby realizing the pneumatic demoulding of the material.
In an embodiment of the utility model, as shown in fig. 1, the mould includes cover half 2 and movable mould 1, be provided with the mouth of moulding plastics on the cover half 2, the mouth of moulding plastics is provided with filter equipment 3, filter equipment 3 is used for the convection current to advance material in the mould filters.
It should be noted that, the mould includes cover half 2 and movable mould 1, sets up the mouth of moulding plastics on cover half 2, makes things convenient for inside the material flows into the mould through the mouth of moulding plastics and the pipeline of moulding plastics, sets up netted filter equipment 3 at the mouth of moulding plastics, can filter the inside material of mould that will flow into through netted filter equipment 3, effectively prevents that debris in the material and the material after not fully melting from blockking up the pipeline of moulding plastics.
In an embodiment of the present invention, as shown in fig. 6, the fixed mold 2 is provided with a positioning taper hole 28, the movable mold 1 is provided with a positioning taper pin 29, and the positioning taper pin 29 cooperates with the positioning taper hole 28 for positioning the fixed mold 2 and the movable mold 1.
It should be noted that, in order to enable the fixed mold 2 and the movable mold 1 to have a better positioning, positioning taper holes 28 are arranged around the working surface of the fixed mold 2, and positioning taper pins 29 are vertically arranged at corresponding positions of the working surface of the movable mold 1, at this time, when pressure is applied to the movable mold 1, the positioning taper pins 29 on the movable mold 1 firstly enter the positioning taper holes 28 on the fixed mold 2 to be positioned, and under the action of the positioning taper pins 29 and the positioning taper holes 28, the fixed mold 2 and the movable mold 1 are matched to have a higher positioning accuracy, so that the product quality is improved.
In an embodiment of the present invention, as shown in fig. 5 and 6, the heating pipes 27 are uniformly distributed inside the mold, and the heating pipes 27 are used for heating the mold.
In order to ensure the fluidity of the material in the mold, heating pipes 27 are uniformly distributed in the fixed mold 2 and the movable mold 1 of the mold, and the material flowing into the mold has good fluidity by heating through the heating pipes 27, so that the product quality is further improved.
The basic working principle is as follows: when the double-stroke cylinder is in a retracting state, the output end of the double-stroke cylinder drives the demoulding ejector rod to be in a retracting state, the demoulding ejector rod is positioned at the lowest end of the demoulding fixing sleeve, the demoulding air hole is in an opening state due to no blockage, compressed gas flowing through the demoulding air hole blows air between the mould and a product through the demoulding fixing sleeve to assist product demoulding, when the double-stroke cylinder is in a first extending state, the output end of the double-stroke cylinder drives the top end of the demoulding ejector rod, the demoulding fixing sleeve and the outer surface of the mould to be positioned in a plane, the demoulding ejector rod and the demoulding fixing sleeve are sealed, at the moment, injection molding operation can be carried out on the mould, when the double-stroke cylinder is in a second extending state, the output end of the double-stroke cylinder drives the demoulding ejector rod to exceed the top end of the demoulding fixing sleeve to push the product away from the outer surface of the mould, and the demoulding ejector rod is driven to stretch through the stretching of the double-stroke cylinder, realize moulding plastics, gaseous supplementary drawing of patterns and ejector pin automatic demoulding.
Although the present disclosure has been described above, the scope of the present disclosure is not limited thereto. Various changes and modifications may be made by those skilled in the art without departing from the spirit and scope of the present disclosure, and these changes and modifications are intended to fall within the scope of the present disclosure.
Claims (8)
1. The injection mold with the automatic demolding device is characterized by comprising a mold and a demolding device for demolding, wherein the demolding device is uniformly distributed at a material contact end of the mold and comprises a demolding fixing sleeve (21), a demolding ejector rod (22) and a demolding air hole (24), the demolding fixing sleeve (21) is embedded in a working surface of the mold, the demolding ejector rod (22) is sleeved in the demolding fixing sleeve (21) and is in sliding connection with the demolding fixing sleeve (21), the side wall of the demolding fixing sleeve (21) is provided with the demolding air hole (24), and the demolding ejector rod (22) retracts to control air outlet of the demolding air hole (24) so as to assist demolding of materials on the mold; the stretching of the demoulding ejector rod (22) is used for demoulding the material on the working surface of the mould.
2. The injection mold with the automatic demolding device, as claimed in claim 1, wherein a double-stroke cylinder (26) is arranged at the fixed end of the demolding ejector rod (22), the output end of the double-stroke cylinder (26) is fixedly connected with the fixed end of the demolding ejector rod (22), and the double-stroke cylinder (26) is used for controlling the stretching and retracting of the demolding ejector rod (22).
3. An injection mold with automatic demolding device, as claimed in claim 1, characterized in that the side wall of the demolding fixed sleeve (21) is attached to the outer surface of the demolding ejector pin (22) for preventing the material from flowing out from the side wall of the demolding fixed sleeve (21).
4. An injection mold with an automatic demolding device, as claimed in claim 1, wherein the side wall of the demolding fixed sleeve (21) is provided with a groove (25), the demolding air holes (24) are uniformly distributed in the groove (25), and the groove (25) is used for preventing the demolding air holes (24) from being blocked.
5. An injection mold with an automatic demolding device, as claimed in claim 1, wherein an air channel pipeline (23) is arranged inside the demolding fixed sleeve (21), and the air channel pipeline (23) is connected with the demolding air hole (24) for supplying air to the demolding air hole (24).
6. The injection mold with the automatic demolding device is characterized in that the mold comprises a fixed mold (2) and a movable mold (1), an injection port is formed in the fixed mold (2), a filtering device (3) is arranged at the injection port, and the filtering device (3) is used for filtering materials flowing into the mold.
7. An injection mould with an automatic demoulding device according to claim 6, characterized in that the fixed mould (2) is provided with a positioning taper hole (28), the movable mould (1) is provided with a positioning taper pin (29), and the positioning taper pin (29) is matched with the positioning taper hole (28) for positioning the fixed mould (2) and the movable mould (1).
8. An injection mould with automatic demoulding device according to claim 1, characterized in that the inside of the mould is evenly distributed with heating pipes (27), the heating pipes (27) being used for heating the mould.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547104.0U CN217454752U (en) | 2022-06-20 | 2022-06-20 | Injection mold with automatic demolding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221547104.0U CN217454752U (en) | 2022-06-20 | 2022-06-20 | Injection mold with automatic demolding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217454752U true CN217454752U (en) | 2022-09-20 |
Family
ID=83238673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221547104.0U Expired - Fee Related CN217454752U (en) | 2022-06-20 | 2022-06-20 | Injection mold with automatic demolding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217454752U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118849331A (en) * | 2024-08-28 | 2024-10-29 | 扬州市泽龙塑业有限公司 | A battery shell injection mold |
| CN119058002A (en) * | 2024-11-05 | 2024-12-03 | 海门王巢家具制造有限公司 | Automatic demoulding tooling for rubber products |
-
2022
- 2022-06-20 CN CN202221547104.0U patent/CN217454752U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118849331A (en) * | 2024-08-28 | 2024-10-29 | 扬州市泽龙塑业有限公司 | A battery shell injection mold |
| CN119058002A (en) * | 2024-11-05 | 2024-12-03 | 海门王巢家具制造有限公司 | Automatic demoulding tooling for rubber products |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220920 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |