CN206605738U - Mold structure with adjustable runner size - Google Patents

Abstract

The utility model belongs to the technical field of mold manufacturing, in particular to a mold structure capable of adjusting the size of a flow passage, which comprises a mold body, wherein a plurality of product mold cavity areas are arranged on the mold body, the product mold cavity areas are communicated with each other through a main flow passage, and an adjusting valve which is in sliding fit with the main flow passage and is used for adjusting the size of the main flow passage is arranged on the main flow passage; the regulating valve comprises a valve body connected with the inner side wall of the main flow passage and a regulating groove which is arranged at the end part of the valve body and is used for rotatably lifting or lowering the valve body. The utility model discloses a governing valve that sets up can adjust injection mold's runner size as required, reaches into gluey balanced purpose, the quality of control product that can be better, and the cost is reduced.

Description

Mold structure with adjustable runner size

technical field

The utility model belongs to the technical field of mold manufacturing, in particular to a mold structure with adjustable flow channel size.

Background technique

Molds are various molds and tools used in industrial production for injection molding, blow molding, extrusion, die-casting or forging forming, smelting, stamping and other methods to obtain the required products. Since the mold is a tool that makes the blank into a workpiece with a specific shape and size under the action of external force, it has a specific contour or inner cavity shape, and the application of the contour shape with a cutting edge can separate the blank according to the contour shape. The shape of the cavity can make the blank obtain the corresponding three-dimensional shape, which has the advantages of simple processing, high efficiency, and the ability to obtain products with complex shapes, so it is widely used.

With the progress of social development, people have higher and higher requirements for the quality of consumer goods, and correspondingly higher requirements for mold making. However, there are the following technical problems in the prior art: In the injection mold, because the products of different mold cavities are often of different sizes, the design of the mold cannot achieve the purpose of equalizing the injection of glue, resulting in some products being filled, while some products still have The situation of shrinkage makes the product quality uncontrollable, and in severe cases, some of the products produced will be scrapped and the production cost will be increased.

Utility model content

The purpose of the utility model is to provide a mold structure with adjustable runner size, aiming at solving the technical problems of unbalanced glue feeding and high production cost existing in traditional molds.

The utility model is realized in this way. A mold structure with adjustable runner size includes: a mold body, on which a plurality of product cavity areas are arranged, and a plurality of product cavity areas pass through The main channel is connected, and a regulating valve which is slidingly fitted with the main channel and used to adjust the size of the main channel is provided on the main channel; the regulating valve includes a valve body connected to the inner side wall of the main channel And an adjustment groove arranged at the end of the valve body and used to turn the valve body up or down.

As the preferred technical solution of the utility model:

Further, the adjustment groove is set as a straight groove.

Further, the section of the regulating valve is "T" shaped.

Further, the regulating valve includes a first valve body connected to the inner side wall of the main channel and a second valve body vertically connected to the first valve body, and the inline groove is arranged on the first valve body. One end of the valve body and the other end of the first valve body are connected to the second valve body.

Further, the product cavity area includes a first product cavity area, a second product cavity area, a third product cavity area and a fourth product cavity area; the first product cavity area and the second product cavity area The mold cavity areas of the two products are communicated through the first main channel, and the mold cavity areas of the third product and the fourth product are communicated through the second main channel; the first main channel is connected with the first main channel. The two main channels communicate through the third main channel; the regulating valve is arranged on the third main channel.

Further, the number of the regulating valves is set to be two or more.

Further, the mold cavity area of the first product, the mold cavity area of the second product, the mold cavity area of the third product and the mold cavity area of the fourth product are center-symmetrically distributed; the mold cavity of the first product The mold cavity area for the second product, the mold cavity area for the third product, and the mold cavity area for the fourth product are respectively connected with a plurality of product molding cavities through branch channels.

Compared with the prior art, the technical effect of the utility model is: through the regulating valve provided, the regulating valve is slidably matched with the main channel; Sliding upwards or downwards relative to the main channel makes the valve body and the main channel form a vertical displacement difference. Therefore, during production, the size of the flow channel of the injection mold is adjusted according to the speed of glue feeding in each cavity to achieve the purpose of balanced glue feeding. , can better control the quality of the product and reduce the cost.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the accompanying drawings that need to be used in the embodiments of the utility model or the description of the prior art. Obviously, the accompanying drawings described below are only the present invention. For some embodiments of the utility model, those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the schematic diagram of the mold structure of the adjustable runner size that the utility model embodiment provides;

Fig. 2 is a cross-sectional view of a regulating valve with a mold structure that can adjust the size of the runner provided by the embodiment of the present invention;

Fig. 3 is a top view of the regulating valve of the mold structure that can adjust the size of the runner provided by the embodiment of the present invention;

Fig. 4 is a structural schematic diagram before adjustment of the regulating valve of the mold structure with adjustable runner size provided by the embodiment of the present invention;

Fig. 5 is a structural schematic diagram of the mold structure with adjustable runner size provided by the embodiment of the utility model after the regulating valve is lowered.

Explanation of reference signs:

In the figure: 1-mold body, 11-the mold cavity area of the first product, 111-the molding cavity of the first product, 112-the first branch runner, 12-the mold cavity area of the second product, 121-the molding cavity of the second product, 122 -The second branch runner, 13-the third product cavity area, 131-the third product forming cavity, 132-the third branch flow channel, 14-the fourth product cavity area, 141-the fourth product forming cavity, 142-the first Four branch runners, 15-first main channel, 16-second main channel, 17-third main channel, 18-connecting hole, 2-regulating valve, 21-first valve body, 211-regulating groove, 22-the first Two valve bodies.

detailed description

Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions. The embodiments described below by referring to the figures are exemplary and are intended to explain the present invention, but should not be construed as limiting the present invention.

In describing the present invention, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical" , "horizontal", "top", "bottom", "inner", "outer" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description. It does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, "plurality" means two or more, unless otherwise specifically defined.

In this utility model, unless otherwise specified and limited, terms such as "installation", "connection", "connection" and "fixation" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connection, or integration; it can be mechanical connection or electrical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components or the interaction relationship between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model according to specific situations.

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments.

The utility model provides a mold structure with adjustable flow channel size, which can adjust the size of the flow channel of the injection mold according to the needs, so as to achieve the purpose of balanced glue feeding, better control the quality of products, and reduce the cost.

Please refer to accompanying drawings 1 to 5, the mold structure with adjustable runner size includes: a mold body 1, a plurality of product cavity areas are arranged on the mold body 1, and a main flow is passed between the plurality of product cavity areas. The main channel is connected, and the main channel is provided with a regulating valve 2 which slides with the main channel and is used to adjust the size of the main channel; The adjusting groove 211 for rotating the raising or lowering valve body.

The mold structure that can adjust the size of the runner provided by the embodiment of the utility model, through the regulating valve 2 provided, the regulating valve 2 is slidably matched with the main flow passage; When the valve body is lowered, since the valve body slides upwards or downwards relative to the main channel, the valve body and the main channel form a vertical displacement difference. Therefore, during production, the size of the flow channel of the injection mold is adjusted according to the speed of glue feeding into each cavity. , to achieve the purpose of equalizing the glue feeding, better control the quality of the product, and reduce the cost.

Preferably, considering that the size of the channel flow can be adjusted only by turning the regulating valve 2 with a flathead screwdriver, and it is convenient to make the glue feeding speed of each mold cavity reach the level and horizontal according to the glue feeding speed of each mold cavity during production, The quality of product is better controlled during production, and regulating groove 211 is set as inline groove.

Preferably, in order to facilitate adjustment and use, the section of the regulating valve 2 is "T" shaped. Specifically, the regulating valve 2 includes a first valve body 21 connected to the inner side wall of the main flow channel and a second valve body 22 vertically connected to the first valve body 21, an inline groove is provided at one end of the first valve body 21, The other end of the first valve body 21 is connected to the second valve body 22 . Further, the inline groove is arranged on the central axis of the first valve body 21 so as to better adjust the size of the main channel.

In addition, in order to meet the production needs of the product and facilitate the operation of adjusting the size of the main channel by the regulating valve 2, the product cavity area includes a first product cavity area 11, a second product cavity area 12, and a third product cavity area 13 And the fourth product mold cavity area 14; the first product mold cavity area 11 and the second product mold cavity area 12 are connected by the first main channel 15, and the third product mold cavity area 13 and the fourth product mold cavity area 14 The first main channel 15 communicates with the second main channel 16 through the third main channel 17 ; the regulating valve 2 is arranged on the third main channel 17 . Further, the number of regulating valves 2 is set to be two or more, so as to control the size of the third main channel 17 .

In addition, it is worth noting that a plurality of connection holes 18 are provided on the mold body 1 for easy fixing. The regulating valve 2 can also adopt existing conventional technology to realize sliding fit with the main flow channel and to adjust the size of the main flow channel.

Further, the first product mold cavity area 11, the second product mold cavity area 12, the third product mold cavity area 13 and the fourth product mold cavity area 14 are center-symmetrically distributed; the first product mold cavity area 11, the second product mold cavity area The mold cavity area 12 , the third product cavity area 13 and the fourth product cavity area 14 are respectively connected with a plurality of product molding cavities through branch channels.

Specifically, in this embodiment, the first product cavity area 11 is provided with a first branch flow channel 112 with a circular cross section, and the first product molding cavity 111 communicates with one end of the first main flow channel 15 through the first branch flow channel 112, and the second The product cavity area 12 is provided with a second product forming cavity 121 with a circular cross section, and the second product forming cavity 121 communicates with the other end of the first main flow channel 15 through the second branch flow channel 122, and the third product cavity area 13 is provided with a cross section A square third product molding cavity 131, the third product molding cavity 131 communicates with one end of the second main flow channel 16 through the third branch flow channel 132, and the fourth product cavity area 14 is provided with a fourth product molding cavity 141 with a square cross section , the fourth product forming cavity 141 communicates with the other end of the second main channel 16 through the fourth branch channel 142 . The number of the first branch runner 112 , the second product forming cavity 121 , the third product forming cavity 131 and the fourth product forming cavity 141 are all set to two.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (7)

1. A mold structure with adjustable runner size, characterized in that it comprises a mold body, said mold body is provided with a plurality of product mold cavity areas, and a plurality of said product mold cavity areas are communicated by a main channel , on the main channel, there is a regulating valve that is slidingly fitted with the main channel and used to adjust the size of the main channel; the regulating valve includes a valve body connected to the inner side wall of the main channel and a The end of the valve body is used to rotate the adjustment slot for raising or lowering the valve body. 2. The mold structure with adjustable runner size according to claim 1, characterized in that, the adjustment groove is set as an inline groove. 3. The mold structure with adjustable runner size according to claim 2, characterized in that the section of the regulating valve is "T" shaped. 4. The mold structure with adjustable runner size according to claim 3, characterized in that, the regulating valve comprises a first valve body connected to the inner side wall of the main runner and a valve body connected to the first valve body. The vertically connected second valve body, the inline groove is arranged at one end of the first valve body, and the other end of the first valve body is connected to the second valve body. 5. The mold structure with adjustable runner size as claimed in any one of claims 1 to 4, wherein the product cavity area comprises a first product cavity area, a second product cavity area, a third product cavity area, and a third product cavity area. Product mold cavity area and the fourth product mold cavity area; the first product mold cavity area and the second product mold cavity area are connected through the first main channel, and the third product mold cavity area is connected to the second product mold cavity area. The mold cavity areas of the four products are communicated through the second main channel; the first main channel is communicated with the second main channel through the third main channel; and the regulating valve is arranged on the third main channel. 6. The mold structure with adjustable runner size according to claim 5, characterized in that, the number of the regulating valves is set to be two or more. 7. The mold structure with adjustable runner size as claimed in claim 5, characterized in that, said first product cavity area, said second product cavity area, said third product cavity area and said The mold cavity area of the fourth product is symmetrically distributed in the center; the mold cavity area of the first product, the mold cavity area of the second product, the mold cavity area of the third product and the mold cavity area of the fourth product are respectively connected with a plurality of products through branch channels. Molding cavity.