CN216373161U - Injection molding magnetic mold without glue hole residue - Google Patents
Injection molding magnetic mold without glue hole residue Download PDFInfo
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- CN216373161U CN216373161U CN202120789041.9U CN202120789041U CN216373161U CN 216373161 U CN216373161 U CN 216373161U CN 202120789041 U CN202120789041 U CN 202120789041U CN 216373161 U CN216373161 U CN 216373161U
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Abstract
The utility model discloses an injection magnetic mold without glue residue, which relates to the technical field of injection molds and comprises a mold body, wherein a mold cavity is arranged on the mold body; a main runner for conveying injection molding raw materials; the injection molding head is in butt joint with the end part of the main runner, the injection molding head is provided with an injection molding port, the injection molding port is in butt joint with the mold cavity, the main runner is communicated with the injection molding port through an injection molding runner arranged in the injection molding head, the runner width of the injection molding runner is gradually narrowed from one end communicated with the main runner to one end communicated with the injection molding port, and the cross section of the injection molding port is arc-shaped. The injection molding structure of the injection mold is optimized, the shape of the glue injection port is adjusted, injection molding optimization of the motor injection molding product is realized by matching with the injection runner, glue dot residual quantity after the flow cutoff of the glue injection port is reduced, the workload of quality inspectors is further reduced, and the production efficiency and the molding quality of the product are improved.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to an injection magnetic mold without glue residue.
Background
Motor injection moulding product is behind injection moulding, involves the injecting glue mouth position fracture random, and it has the residue to appear injecting glue mouth department, and this kind of volume of remaining is not of uniform size, to the customer that uses motor injection moulding product, and this kind of remaining can influence the motor assembly, and the later stage falls down the magnetic scale and can lead to motor card machine scheduling problem, and the remaining gluey point of present motor injection moulding product is clear away and is all adopted the manual work to go on, and is inefficient, can lead to the product to scrape moreover and collapse and lack and leak and scrape the phenomenon.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the embodiment of the utility model provides the injection magnetic mold without the glue opening residue, the glue injection structure of the injection magnetic mold is optimized, the glue injection quality of the motor injection product is improved, and the workload of quality inspection workers is reduced.
The injection molding magnetic mold without the glue opening residue comprises a mold body, wherein a mold cavity is arranged on the mold body; a main runner for conveying injection molding raw materials; the injection molding head is in butt joint with the end part of the main runner, the injection molding head is provided with an injection molding port, the injection molding port is in butt joint with the mold cavity, the main runner is communicated with the injection molding port through an injection molding runner arranged in the injection molding head, the runner width of the injection molding runner is gradually narrowed from one end communicated with the main runner to one end communicated with the injection molding port, and the cross section of the injection molding port is arc-shaped.
As a further improvement of the scheme, a plane and a curved surface are arranged between two ends of the injection molding head, and the plane and the curved surface are closed to form the injection molding runner.
As a further improvement of the above solution, the curved surface is a semi-conical surface.
As a further improvement of the above solution, a generatrix of the semi-conical surface forms an angle of 40 ° with the plane.
As a further improvement of the above scheme, two side edges of the plane are symmetrically arranged, and an included angle between the two side edges of the plane is 48 °.
As a further improvement of the scheme, the section of the glue injection port is a semicircle with the radius of 0.5 mm.
As a further improvement of the scheme, the length of the runner of the injection molding runner is 2.8 mm.
Based on the technical scheme, the embodiment of the utility model at least has the following beneficial effects: among the above-mentioned technical scheme, the mould body is equipped with the die cavity that is used for injection moulding, and the sprue is used for carrying the raw materials of moulding plastics, and the head butt joint of moulding plastics is at the tip of sprue, and the head of moulding plastics is equipped with the injecting glue mouth, and wherein, injecting glue mouth butt joint die cavity, sprue communicate the injecting glue mouth through the runner of moulding plastics that sets up in the head of moulding plastics, and the runner width of the runner of moulding plastics narrows down to the one end of intercommunication injecting glue mouth from the one end of intercommunication sprue gradually, and the cross-section of injecting glue mouth is the arc. Through optimizing injection mold's injection structure, the shape of pouring of adjustment injecting glue mouth, the runner of moulding plastics of cooperation reducing realizes the injection moulding optimization to motor injection moulding product, no matter from which direction to the product after the shaping exert force and discharge the mould body, can both make the glue point volume of remaining that appears after the injecting glue mouth cutout further reduce, further reduce quality inspector's work load, improve the shaping quality of production efficiency and product.
Drawings
The utility model is further described below with reference to the accompanying drawings and examples;
FIG. 1 is a first cross-sectional view of an embodiment of the present invention;
FIG. 2 is an enlarged schematic view at A in FIG. 1;
FIG. 3 is a top view of an embodiment of the present invention;
FIG. 4 is an enlarged schematic view at B in FIG. 3;
FIG. 5 is a second cross-sectional view of an embodiment of the present invention;
fig. 6 is an enlarged schematic view at C in fig. 5.
Detailed Description
Reference will now be made in detail to the present preferred embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to like elements throughout.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
Referring to fig. 1 and 3, the injection magnetic mold without gate residue of the present invention includes a mold body 100, a main runner 200 and an injection head 210, wherein the mold body 100 is provided with a mold cavity 110, the main runner 200 is used for conveying injection molding materials, the injection head 210 is butted at an end of the main runner 200, the injection head 310 is provided with a glue injection port, the glue injection port is butted with the mold cavity 110, the main runner 200 is communicated with the glue injection port through an injection runner provided in the injection head 210, when a motor injection product is formed, the main runner 200 continuously conveys the injection molding materials, the injection molding materials pass through the injection runner and enter the mold cavity 110 through the glue injection port, a certain amount of the injection molding materials stops feeding the injection molding materials after being formed in the mold cavity 110, and the product is discharged out of the mold cavity 110 after the formed product is stable, thereby completing the injection molding of the product.
Further, referring to fig. 1 and 2, the width of the injection runner gradually narrows from one end of the main runner 200 to one end of the injection runner, wherein, as will be understood from fig. 3 and 4, a plane and a curved surface are disposed between two ends of the injection head 210, and the plane and the curved surface are closed to form the injection runner, preferably, the curved surface is a semi-conical surface, so that the width of the injection runner is changed regularly, the shape of the injection runner is optimized, the stability of the injection molding of the product is improved, when the injection molding raw material flows out of the injection runner through the injection runner, the converged injection molding raw material is fully mixed, the fully mixed injection molding raw material is introduced into the mold cavity 110 through the injection runner, and after the fully mixed injection molding raw material is cast, a large amount of injection molding raw material in the injection runner cannot be brought out due to the demolding of the molded product, the condition that the glue residue is too large after the glue injection opening cuts off the flow can not be caused, and the demolding quality of the molded product is improved. In order to ensure that the molding quality of a product is better, an included angle formed by a bus of a semi-conical surface forming the injection molding runner and a plane forming the injection molding runner is preferably 40 degrees, two sides of the plane are symmetrically arranged, the included angle between the two sides of the plane is 48 degrees, and the length of the runner of the injection molding runner is 2.8 mm.
As shown in fig. 5 and 6, the cross section of the glue injection port is arc-shaped, preferably, the cross section of the glue injection port is semicircular with the radius of 0.5mm, the shape and size of the glue injection port are optimized, further, the glue injection port and the cavity wall of the cavity 110 are integrated, when a molded product is discharged, the connecting cross section of the injection molding raw material and the molded product is reduced, and meanwhile, the weakest point of the strength of the molded product is arranged at the edge of the molded product, so that the residual quantity of the injection molding raw material glue dots of the finally discharged molded product is minimum, in the actual production, the cross section diameter of the residual quantity of the glue dots can be ensured within 0.05mm, and the pouring quality of the product is effectively improved.
Injection mold's injection structure has been optimized to this embodiment, adjust pouring bore size and shape of injecting glue mouth, the runner of moulding plastics of cooperation specific shape design realizes that injection moulding to motor injection moulding optimizes, thereby make the product after the shaping and mouth of a river material can form the breaking point at the point of pouring, no matter from which direction to the product after the shaping exert force and discharge the mould body, the product after the shaping and the separation position of mouth of a river material are at the most marginal of product all the time, make the gluey point volume of remaining after the mouth of injecting glue cuts off further reduce, further reduce quality inspector's work load, the shaping quality of production efficiency and product is improved.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (7)
1. The utility model provides a no remaining injection molding magnetic mold of mouth that glues which characterized in that: comprises that
The die comprises a die body (100), wherein a die cavity (110) is arranged on the die body (100);
a main runner (200) for conveying injection molding raw materials; and
the injection molding head (210) is butted with the end part of the main runner (200), the injection molding head (210) is provided with a glue injection port, the glue injection port is butted with the mold cavity (110), the main runner (200) is communicated with the glue injection port through a injection molding runner arranged in the injection molding head (210), the runner width of the injection molding runner is gradually narrowed from one end communicated with the main runner (200) to one end communicated with the glue injection port, and the cross section of the glue injection port is arc-shaped.
2. The injection molding magnetic mold without gate residue according to claim 1, wherein: a plane and a curved surface are arranged between two ends of the injection molding head (210), and the plane and the curved surface are closed to form the injection molding runner.
3. The injection molding magnetic mold without gate residue according to claim 2, characterized in that: the curved surface is a semi-conical surface.
4. The injection molding magnetic mold without gate residue of claim 3, wherein: the included angle formed by the generatrix of the semi-conical surface and the plane is 40 degrees.
5. The injection molding magnetic mold without gate residue according to claim 2, characterized in that: the two sides of the plane are symmetrically arranged, and the included angle between the two sides of the plane is 48 degrees.
6. An injection molding magnetic mold without gate residue according to any one of claims 1 to 5, characterized in that: the section of the glue injection port is in a semicircular shape with the radius of 0.5 mm.
7. An injection molding magnetic mold without gate residue according to any one of claims 1 to 5, characterized in that: the runner length of the injection molding runner is 2.8 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120789041.9U CN216373161U (en) | 2021-04-16 | 2021-04-16 | Injection molding magnetic mold without glue hole residue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120789041.9U CN216373161U (en) | 2021-04-16 | 2021-04-16 | Injection molding magnetic mold without glue hole residue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216373161U true CN216373161U (en) | 2022-04-26 |
Family
ID=81215431
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120789041.9U Active CN216373161U (en) | 2021-04-16 | 2021-04-16 | Injection molding magnetic mold without glue hole residue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216373161U (en) |
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2021
- 2021-04-16 CN CN202120789041.9U patent/CN216373161U/en active Active
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