CN204136332U - Casting insert interchange injection mould - Google Patents

Abstract

The utility model discloses an injection mold for interchangeable inserts, which includes a punch, a die and an inclined guide post. The punch includes a male mold core, a first core, a second core and a slider. Template, the first core is installed on the male mold core along the mold opening direction of the insert interchangeable injection mold, the second core is connected to the slider, and the slider is slidably connected to the fixed template, and the plane where the slider is located is interchangeable with the insert for injection molding The mold opening direction of the mold is vertical; the concave mold includes the female mold core, which is installed on the movable platen and cooperates with the first core and the second core; the inclined guide post is installed on the movable platen and cooperates with the slider to drive The slider slides on the fixed template when the insert interchangeable injection mold is opened. The above-mentioned inserts are interchangeable injection molds. When it is necessary to produce products with the same other parts and the same partial design, the production of multiple products can be realized by replacing the male mold core, female mold core, first core and second core. , no additional mold opening is required, which saves manufacturing costs.

Description

Insert Interchangeable Injection Mold

technical field

The utility model relates to the technical field of injection molds, in particular to an injection mold for interchangeable inserts.

Background technique

Generally, a pair of molds can only be used for injection molding of one product, and when companies develop different products or similar products, they will develop molds for each product separately. However, for some series of products, such as three-way pipes and four-way pipes, the other parts of the product are the same, but the local design is different. One mold produces one product and requires multiple injection molding machines. Replace the mold and produce the next product. In this way, the mold manufacturing cost is high, the product production cycle is long, and the equipment utilization rate is low.

Utility model content

Based on this, it is necessary to provide an insert interchangeable injection mold capable of simultaneously producing multiple products in order to solve the problems of high mold manufacturing cost, long product production cycle, and low equipment utilization rate.

An insert interchangeable injection mold includes a movable template and a fixed template matched with the movable template, and the insert interchangeable injection mold further includes:

The convex mold includes a male core, a first core, a second core and a slider, the male core is installed on the fixed plate, and the first core is along the opening of the insert interchangeable injection mold. The mold direction is installed on the male mold core, the second core is connected to the slider, and the slider is slidably connected to the fixed plate, and the plane where the slider is located is interchangeable with the insert in the injection mold The mold opening direction is vertical;

The concave mold, including the female mold core, is installed on the movable template and cooperates with the first core and the second core;

The inclined guide post is installed on the movable template and cooperates with the slider to drive the slider to slide on the fixed template when the insert interchangeable injection mold is opened.

In one embodiment, the fixed template is provided with a groove matching the male mold core, and the male mold core is embedded in the groove to fix the male mold core.

In one embodiment, the fit between the male core and the groove is a clearance fit.

In one embodiment, the fixed template is provided with a chute, and the cross-sectional shape of the chute matches the cross-sectional shape of the slider, so that the slider can slide along the chute.

In one of the embodiments, the insert interchangeable injection mold further includes a slide rail, and the slide rail includes a first slide rail and a second slide rail, and the first slide rail and the second slide rail accommodate In the chute, and respectively arranged on the two side walls of the chute, the slider is slidably connected to the first slide rail and the second slide rail.

In one of the embodiments, the injection mold for interchangeable inserts further includes a stopper, and the stopper is arranged at an end of the slide groove away from the male mold core, so as to stop the slider.

In one embodiment, the insert interchangeable injection mold further includes a connecting piece, and the second core is connected to the corresponding slider through the connecting piece.

In one of the embodiments, the movable template is provided with a mounting groove that runs through the fixed template, the female mold core is installed in the mounting groove, and the cooperation between the female mold core and the mounting groove is an interference fit .

In one embodiment, a step is provided on the surface of the slider in contact with the movable template, and the step includes a side surface and a bottom surface extending from the bottom of the side surface, and the side surface and the bottom surface form an included angle.

An insert interchangeable injection mold includes a movable template and a fixed template, and the insert interchangeable injection mold also includes:

The convex mold includes a male core, a first core, a second core and a slider, the male core is installed on the movable template, and the first core is along the opening of the insert interchangeable injection mold. The mold direction is installed on the male mold core, the second core is connected to the slider, and the slider is slidably connected to the movable template, and the plane where the slider is located is interchangeable with the insert in the injection mold The mold opening direction is vertical;

The concave mold includes a female mold core, the female mold core has a molding surface that matches the first core and the second core, and the female mold core is installed on the fixed template;

The inclined guide post is installed on the movable template and cooperates with the slider to drive the slider to slide on the movable template when the insert interchangeable injection mold is opened.

The above-mentioned inserts are interchangeable injection molds. When it is necessary to produce products with the same other parts and the same partial design, the production of multiple products can be realized by replacing the male mold core, female mold core, first core and second core. , there is no need to open a mold separately, which saves manufacturing costs. After a product is produced, the insert can be replaced quickly, which improves the production efficiency of the product and shortens the production cycle of the product.

Description of drawings

Fig. 1 is a schematic structural view of an insert interchangeable injection mold according to an embodiment;

Fig. 2 is the schematic structural view of the slider of the insert interchangeable injection mold shown in Fig. 1;

Fig. 3 is a schematic diagram of the product structure produced by the insert interchangeable injection mold shown in Fig. 1 .

Detailed ways

In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings. Preferred embodiments of the utility model are provided in the accompanying drawings. However, the invention can be embodied in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

It should be noted that when an element is said to be "fixed" to another element, it may be directly on the other element or there may be an element in between. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or there may be both elements in between.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field of this invention. The terminology used in the description of the utility model herein is only for the purpose of describing specific embodiments, and is not intended to limit the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in FIG. 1 , an insert interchangeable injection mold 10 includes a movable platen 12 , a fixed platen 14 , a punch 16 , a groove 18 and an inclined guide post 19 .

The convex mold 16 includes a male mold core 162, a first core 164, a second core 166 and a slide block 168. The male mold core 162 is installed on the fixed plate 14, and the first core 164 is along the opening of the insert interchangeable injection mold 10. The mold direction is installed on the male mold core 162, the second core 166 is connected to the slider 168, and the slider 168 is slidably connected to the fixed plate 14, and the plane where the slider 168 is located is perpendicular to the mold opening direction of the insert interchangeable injection mold 10 . The concave mold 18 includes a female mold core (not shown in the figure), and the female mold core is installed on the movable template 12 . The inclined guide post 19 is installed on the movable template 12 and cooperates with the slider 168 to drive the slider 168 to slide on the fixed template 14 when the insert interchangeable injection mold 10 is opened.

Specifically, the female mold core has a molding surface matching the first core 164 and the second core 166 , and the first core 164 , the second core 166 , the male core 162 and the female core form a molding structure. The slider 168 is connected to the second core 166 through a connecting piece (not shown), and is slidably connected to the fixed plate 14 . In this embodiment, the connecting member is a screw, and the slider 168 is provided with a threaded hole 1685 (see FIG. 2 ), and the slider 168 is connected to the second core 166 through the screw and the threaded hole 1685 . The slider 168 is provided with a slanted hole (not shown in the figure), and the slanted guide post 19 extends into the slanted hole and drives the slider 168 to slide on the fixed template 14 .

When the insert exchange injection mold 10 is opened, under the action of the injection molding machine, the movable platen 12 is separated from the fixed platen 14, and the inclined guide column 19 acts on the slider 168 to drive the slider 168 on the fixed platen 14 to move away from the first The direction of the core 164 slides, thereby driving the second core 166 to slide, so as to realize the lateral core pulling action.

Wherein, the shape, size and shape of the first core 164 and the second core 166 can be determined according to specific products to be produced. Specifically, in this embodiment, a four-way pipe is used as an example for description.

In this preferred embodiment, as shown in Figure 3, the products are a large four-way pipe and a small four-way pipe. The design of the small four-way pipe and the other parts of the large four-way pipe are the same, and the local dimensions and structures are different. When producing large four-way pipes, there are four second cores 166, and four corresponding sliders 168. Remove one slider 168 and the corresponding second core 166, and replace it with an inlay with a molding surface. Large tee pipes can be produced in one block without additional mold opening, and large tee pipes can be produced quickly. When producing the small four-way pipe, the male mold core 162, the female mold core and the second core 166 are replaced with sizes suitable for producing the small four-way pipe, and the small four-way pipe can be produced quickly.

In this way, when it is necessary to produce products with the same other parts and the same local design, by replacing the male mold core 162, the female mold core, the first core 164 and the second core 166, the production of multiple products can be realized without additional steps. Mold opening saves manufacturing costs, and inserts can be replaced quickly after a product is produced, which improves product production efficiency and shortens product production cycle.

It can be understood that in other embodiments, the punch 16 can also be installed on the movable template 12 , the concave mold 18 can be installed on the fixed template 14 , and the inclined guide post 19 can be installed on the movable template 14 . It can be realized that during the mold opening process, the inclined guide column 19 drives the slider 168 to slide on the formwork to realize the purpose of lateral core pulling. The following will be described with specific examples. For example, the male mold core 162 is installed on the movable template 12, the first core 164 is installed on the male mold core 162 along the mold opening direction of the insert interchangeable injection mold 10, and the second The core 166 is connected to the slider 168 , and the slider 168 is slidably connected to the movable template 12 . The master core is installed on the fixed template 14 . The inclined guide post 19 is installed on the movable template 14 and cooperates with the slider 168 . In this way, lateral core pulling can also be realized.

In this preferred embodiment, the fixed template 14 is provided with a groove (not shown) matching the male mold core 162, and the male mold core 162 is embedded in the groove to fix the male mold core 162. . The movable template 12 is provided with an installation groove (not shown in the figure) passing through the movable template 12, and the female mold core is installed in the installation groove. Specifically, the fit between the male die core 162 and the groove 18 is a clearance fit, and the fit between the female die core and the installation groove is an interference fit. In this way, the male mold core 162 and the female mold core are installed on the fixed template 14 and the movable template 12 respectively, which are stable, easy to replace and easy to process.

It can be understood that the installation of the male mold core 162 and the fixed template 14, and the installation of the female mold core and the movable template 12 can adopt other installation methods, for example, the female mold core is embedded in the movable template 12, and the female mold core is screwed to Fixed on the moving template 12.

It should be noted that if the injection molding machine opens molds up and down, the movable platen 12 is located above and the fixed platen 14 is located below. If the movable platen is located below, the fixed platen is located above. In this embodiment, the moving platen is located above, and the female mold core and the movable platen 12 adopt an interference fit, which avoids the displacement or slipping of the female mold core relative to the movable platen 12 due to gravity, and improves the insert interchangeability of the injection mold 10. Reliability and safety, and convenient processing. The fixed template 14 is located below, and the male die core 162 and the fixed template 14 can be fitted with clearance. In other types of injection molding machines, the injection molding machine opens the mold along the horizontal direction, and the mold core and the template adopt interference fit or other connection methods, so as to achieve the purpose of a stable connection between the mold core and the template.

In this preferred embodiment, the fixed template 14 is provided with a chute (not shown), the cross-sectional shape of the chute matches the cross-sectional shape of the slider 168, so that the slider 168 can move along the The chute slides. Specifically, the chute includes a bottom surface and sidewalls disposed on opposite sides of the bottom surface, the bottom of the slider 168 contacts the bottom surface of the chute, and the sidewalls of the slider 168 are connected to the two sidewalls of the chute.

It can be understood that when the sliding stroke of the slider 168 exceeds the range of the mold frame, the chute can be extended to outside the range of the mold frame, so that the slider 168 can slide in the chute to measure the core-pulling distance of the core. fulfil requirements.

Further, the insert interchangeable injection mold 10 also includes a slide rail (not shown in the figure), and the slide rail includes a first slide rail and a second slide rail, and the first slide rail and the second slide rail are accommodated in the slide rail. The grooves are respectively arranged on the two side walls of the chute, and the slider 168 is slidably connected to the first slide rail and the second slide rail. When producing different products, slide rails of different sizes can be used, and the requirements can be met by replacing the second core 166 and the slider 168, and the fixed template 14 does not need to be replaced, which saves manufacturing costs.

Please refer to Fig. 2, in this preferred embodiment, the surface of the slide block 168 in contact with the movable template is provided with a step 1682, the step 1682 includes a side 1681 and a bottom 1683 extending from the bottom of the side 1681, the side 1681 and the bottom 1683 is set at an included angle. The movable template 12 is provided with an escape portion (not shown) matched with the step 1681. When the mold is closed, the escape portion cooperates with the slope of the slide block 168 to precisely position the slide block and improve the quality of the plastic part.

Further, the plane where the avoidance part of the movable template 12 is in contact with the side surface 1681 of the step 1682 is provided with an inclined wedging block (not shown in the figure) or a wedging strip (not shown in the figure), hardened wedging block or wedge The tight strip is installed on the plane where the evacuation part of the movable template contacts the side 1681 of the ladder 1682, so that the slider can be precisely positioned, and the slider can also be wedged tightly to prevent the slider and the core from being damaged during the molding process. It moves with force, which ensures the quality and precision of plastic parts. In addition, the wall thickness of the plastic part can also be corrected by adjusting the thickness of the wedge block or the wedge strip.

Please refer to FIG. 1 again. In this preferred embodiment, the insert interchangeable injection mold 10 further includes a stopper 15, and the stopper 15 is arranged at the side of the chute away from the male mold core 162. One end, to limit the slide rail. In this way, the slide block 168 can be prevented from sliding down from the slide rail, and the slide block 168 can be kept in the final position to ensure that the inclined guide post 19 can accurately enter the inclined hole of the slide block 168 during the mold clamping process, thereby ensuring the mold clamping accuracy and improving the Product precision and quality.

In this preferred embodiment, the insert interchangeable injection mold 10 adopts one mold and one cavity. It can be understood that in other embodiments, one mold and multiple cavities may also be used. The male mold core 162, the female mold core, the core, and the slide block 168 are all provided with cooling channels 11, so that the product can be cooled quickly, the demoulding cycle is saved, and the precision and quality of the product are improved.

The above-mentioned inserts are interchangeable with the injection mold 10. When it is necessary to produce products with the same other parts and the same local design, by replacing the male mold core 162, the female mold core, the first core 164 and the second core 166, multiple mold cores can be realized. The production of the product does not need to open a mold separately, which saves the manufacturing cost. After a product is produced, the insert can be replaced quickly, which improves the production efficiency of the product and shortens the production cycle of the product.

The above-mentioned embodiments only express several implementations of the utility model, and the description thereof is relatively specific and detailed, but it should not be construed as limiting the patent scope of the utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the scope of protection of the utility model patent should be based on the appended claims.

Claims (10)

1. An insert interchangeable injection mold, comprising a movable template and a fixed template matched with the movable template, it is characterized in that the insert interchangeable injection mold also includes: The convex mold includes a male core, a first core, a second core and a slider, the male core is installed on the fixed plate, and the first core is along the opening of the insert interchangeable injection mold. The mold direction is installed on the male mold core, the second core is connected to the slider, and the slider is slidably connected to the fixed plate, and the sliding direction of the slider is interchangeable with the insert. The mold opening direction is vertical; The concave mold, including the female mold core, is installed on the movable template and cooperates with the first core and the second core; The inclined guide post is installed on the movable template and cooperates with the slider to drive the slider to slide on the fixed template when the insert interchangeable injection mold is opened. 2. The insert interchangeable injection mold according to claim 1, characterized in that, the fixed template is provided with a groove matching the male mold core, and the male mold core is embedded in the groove, To fix the male mold core. 3. The injection mold for interchangeable inserts according to claim 2, characterized in that the fit between the male core and the groove is a clearance fit. 4. The injection mold for interchangeable inserts according to claim 1, wherein the fixed template is provided with a chute, and the cross-sectional shape of the chute matches the cross-sectional shape of the slider, so that the The slider can slide along the chute. 5. The insert interchangeable injection mold according to claim 4, characterized in that, the insert interchangeable injection mold further comprises a slide rail, and the slide rail includes a first slide rail and a second slide rail, the The first slide rail and the second slide rail are accommodated in the slide groove and are respectively arranged on two side walls of the slide groove, and the slide block is slidably connected to the first slide rail and the second slide rail. 6. The insert interchangeable injection mold according to claim 4, characterized in that, the insert interchangeable injection mold further comprises a stopper, and the stopper is arranged on the chute away from the male mold One end of the kernel to limit the slider. 7. The injection mold for interchangeable inserts according to claim 1, characterized in that, the injection mold for interchangeable inserts further comprises a connecting piece through which the second core is connected to the corresponding Slider connection. 8. The injection mold for interchangeable inserts according to claim 1, characterized in that, the movable template is provided with an installation groove that runs through the fixed template, the female mold core is installed in the installation groove, and the female mold core is installed in the installation groove. The fit between the mold core and the mounting groove is an interference fit. 9. The insert interchangeable injection mold according to claim 1, characterized in that, the surface of the slider in contact with the movable template is provided with a step, and the step includes a side surface and a bottom surface extending from the bottom of the side surface , the side surface and the bottom surface are set at an included angle. 10. An insert interchangeable injection mold, comprising a movable template and a fixed template, characterized in that the insert interchangeable injection mold also includes: The convex mold includes a male core, a first core, a second core and a slider, the male core is installed on the movable template, and the first core is along the opening of the insert interchangeable injection mold. The mold direction is installed on the male mold core, the second core is connected to the slider, and the slider is slidably connected to the movable template, and the plane where the slider is located is interchangeable with the insert in the injection mold The mold opening direction is vertical; The concave mold includes a female mold core, the female mold core has a molding surface that matches the first core and the second core, and the female mold core is installed on the fixed template; The inclined guide post is installed on the movable template and cooperates with the slider to drive the slider to slide on the movable template when the insert interchangeable injection mold is opened.