CN207077706U - A kind of injecting molding die of the angle rod of plastics three - Google Patents

Abstract

The utility model relates to an injection molding mold of a plastic triangular rod, which comprises a fixed mold body and a movable mold body used in conjunction with the fixed mold body. The movable mold body includes the movable mold base, the movable template installed on the movable mold base and the push-out mechanism installed on the movable mold base, and the movable mold base includes the movable mold base plate, which is installed on the movable mold base plate through screws C The cushion block, the movable formwork, the cushion block and the movable formwork seat plate are connected by screws B, and the movable formwork is embedded in the movable formwork. The fixed mold body includes the fixed mold base plate, the middle plate installed on the fixed mold base plate, the fixed mold plate installed on the middle plate, the fixed mold installed on the fixed mold plate embedded by the screw E, and the fixed mold base plate The middle part is equipped with a positioning ring and a sprue sleeve from top to bottom. The pouring system of the utility model adopts 1 mold with 24 cavities, the pouring method adopts point pouring, the mold is easy to install, and the production efficiency is high. Although the multi-stage runner is used, it is divided into three times when the mold is opened, and the plastic part can be demolded smoothly.

Description

An injection molding mold for a plastic triangular rod

technical field

The utility model relates to the technical field of injection molds, in particular to an injection molding mold for plastic triangular rods.

Background technique

Injection molds, also known as plastic injection molding molds, are usually installed on injection machines for use. Injection molding refers to a method in which completely molten plastic is stirred by a screw at a certain temperature, injected into a mold cavity with high pressure, and then cooled and solidified to obtain a finished product. The advantages of injection molding are fast production speed, high production efficiency, automatic operation, various designs and colors, simple to complex shapes, large to small sizes, accurate product sizes, easy replacement of products, and complex shapes. It is suitable for mass production and molding processing fields such as products with complex shapes.

However, for injection molding of complex products, such as plastic triangular rods, the quality of injection molding has not been effectively improved during the injection molding production process, which affects the final use of plastic triangular rods. Therefore, a new injection mold is urgently needed , to realize the injection molding process of the plastic triangular rod.

Contents of the invention

Aiming at the defects of the above-mentioned technologies, the utility model proposes an injection molding mold for a plastic triangular rod.

An injection molding mold for a plastic triangular rod comprises a fixed mold body and a movable mold body used in conjunction with the fixed mold body.

The movable mold body includes a movable mold base, a movable template installed on the movable mold base, and a push-out mechanism installed on the movable template. The spacer on the mold base plate, the movable formwork, the cushion block, and the movable mold base plate are connected by screws B, and the movable mold is embedded in the movable formwork.

The fixed mold body includes a fixed mold base plate, an intermediate plate installed on the fixed mold base plate, a fixed template installed on the intermediate plate, and a fixed mold installed on the fixed template embedded by screws E. The middle part of the mold base plate is equipped with a positioning ring and a sprue sleeve from top to bottom.

The push-out mechanism includes a push plate, a push rod fixing plate installed on the push plate, and a push rod installed on the push rod fixing plate.

A limit pin for limiting the movement of the push plate is installed on the movable mold base plate.

A guide sleeve B is embedded on the fixed formwork, and a guide post B slidingly fitted with the guide sleeve B is installed on the movable formwork.

A guide sleeve A is embeddedly installed on the fixed template, and a guide post A slidingly fitted with the guide sleeve A is installed on the fixed mold base plate.

The beneficial effects of the utility model are: the gating system of the utility model adopts one mold with 24 cavities, and the pouring method adopts point pouring, the molds are easy to install, and the production efficiency is high. Although the multi-stage runner is used, it is divided into three times when the mold is opened, and the plastic part can be demolded smoothly.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 is the top view of plastic triangular rod;

Fig. 2 is the sectional view of plastic triangular rod;

Fig. 3 is the front view of the utility model;

Fig. 4 is a top view of the movable mold body of the present invention.

Detailed ways

In order to make the technical means realized by the utility model, creation feature, purpose and effect easy to be understood, the utility model is further elaborated below.

As shown in Figure 1 and Figure 2, it is a schematic structural diagram of a plastic triangular rod.

As shown in Figures 3 and 4, an injection molding mold for a plastic triangular rod includes a fixed mold body and a movable mold body used in conjunction with the fixed mold body. The utility model utilizes the cooperation of the fixed mold body and the movable mold body to realize the injection molding processing of the plastic triangular rod.

The movable mold body includes a movable mold base, a movable template 6 installed on the movable mold base, and a push-out mechanism installed on the movable template 6, and the movable mold base includes a movable mold base plate 11, a screw C14 The spacer 8 installed on the movable mold base plate 11, the movable mold plate 6, the cushion block 8, and the movable mold base plate 11 are connected by screws B12 and 15, and the movable mold plate 6 is embedded with a movable mold 18 through a screw A7 . The utility model is fixed on the movable mold fixing plate of the externally connected injection machine through the movable mold seat plate 11.

The fixed mold body includes a fixed mold base plate 1, a middle plate 3 installed on the fixed mold base plate 1, a fixed mold plate 5 installed on the middle plate 3, and a fixed mold plate installed on the fixed mold plate 5 embedded by screws E21. Fixed mold 19, the middle part of described fixed mold seat plate 1 is equipped with locating ring 23, sprue sleeve 22 from top to bottom. The sprue sleeve 22 and the positioning ring 23 are designed as an integral type, and are fixed on the fixed mold seat plate 1 with screws and pins. The sprue sleeve 22 and the fixed mold seat plate 1 adopt H7/m6 transition fit, and then the intermediate plate 3. The fixed formwork 5 is fixed together with screws.

The utility model adopts 1 mold with 24 cavities injection mould, the pouring method adopts point pouring, and the mold frame adopts Longji DCI non-standard mold frame with fine nozzle. All be provided with cooling water channel on movable mold 18 and fixed mold 19. The movable mold 18 and the fixed mold 19 are designed as an integral type, and a cooling duct is provided inside. Although the processing is complicated, it has high precision, is not easy to deform, and will not cause stitching lines on the outside of the plastic parts. The fixed template 5 and the movable template 6 can also play the role of installing and fixing other parts except that the movable mold 18 and the fixed mold 19 can be fixed.

The push-out mechanism includes a push plate 10 , a push rod fixing plate 9 installed on the push plate 10 , and a push rod 16 installed on the push rod fixing plate 9 . Push rod 16 afterbody adopts shoulder to be fixed on the push rod fixed plate 9. As the ejection mechanism starts to work, the push plate 10 pushes the plastic part out of the core along its end face. Push plate 10 bottom surface and movable template 6 separate a certain distance after releasing, and cleaning is comparatively convenient, and helps exhaust.

The movable mold seat plate 11 is equipped with a limiting nail 13 for limiting the movement of the push plate 10 .

The fixed template 5 is embedded with a guide sleeve B20, and the movable template 6 is equipped with a guide post B17 slidingly fitted with the guide sleeve B20 through H7/m6 transition fit. The guide column B17 arranged on the movable mold part is beneficial to the support and guidance of the push plate 10 .

The fixed template 5 is also embedded with a guide sleeve A4, and the fixed mold seat plate 1 is equipped with a guide post A2 slidingly fitted with the guide sleeve A4 through the H7/m6 transition fit.

The spacer 8 of the utility model can form the action space required by the push-out mechanism between the movable template 6 and the movable mold seat plate 11, and can also adjust the total height of the mold to meet the requirements of the mold installation thickness of the injection machine.

A first-level runner is designed inside the middle plate 3, and the molten plastic can complete the first-level pouring inside. The fixed template 5 and the fixed mold 19 are designed with a second-level runner, and the molten plastic can complete the second-level pouring inside. The mold cavity of the present utility model is not big, can utilize the matching clearance between fixed template 5 and fixed mold 19, movable template 6 and movable mold 18 to carry out fast, safe exhaust requirement, need not open exhaust groove additionally.

Due to the large number of mold cavities in the utility model, the gating system is more complicated, and there are multiple stages of flow channels, so the mold opening is divided into three times to ensure smooth demoulding. Its working principle is: for the first time, the fixed mold base plate 1 is separated from the middle plate 3, and the first part of the pouring system condensate is separated; the second time is the separation of the middle plate 3 and the fixed formwork 5; the third time is the separation of the fixed formwork 5 and The movable template 6 is separated, and then the push rod 16 moves forward under the joint action of the push plate 10 and the push rod fixed plate 9 until the plastic triangular rod is ejected, and then the pouring system condensate needs to be manually removed. At this time, one injection is completed, the push rod, push plate and push plate fixing plate return to their original positions, and the mold is closed to prepare for the next injection.

The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the industry should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions are only the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model There will also be various changes and improvements, and these changes and improvements all fall within the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. an injection molding mold of a plastic triangular rod, comprising a fixed mold body, a movable mold body used in conjunction with the fixed mold body; it is characterized in that: The movable mold body includes a movable mold base, a movable template (6) installed on the movable mold base and a push-out mechanism installed on the movable template (6), and the movable mold base includes a movable mold base plate ( 11), the cushion block (8) installed on the movable mold base plate (11), the movable mold plate (6), cushion block (8), and the movable mold base plate (11) are connected, and the movable mold plate (6) is embedded The type is equipped with a moving mold (18); The fixed mold body comprises a fixed mold base plate (1), an intermediate plate (3) installed on the fixed mold base plate (1), a fixed template (5) installed on the intermediate plate (3), an embedded The fixed mold (19) installed on the fixed template (5), the middle part of the fixed mold seat plate (1) is equipped with a positioning ring (23) and a sprue sleeve (22) from top to bottom; Rapid and safe exhaust is performed by using the matching gap between the fixed template (5) and the fixed mold (19), the movable template (6) and the movable mold (18); Fixed mold (19), movable mold (18) adopt 1 mold 24 cavities, and the pouring method adopts point pouring. 2. The injection molding mold of a plastic triangular rod according to claim 1, characterized in that: the push-out mechanism comprises a push plate (10), a push rod fixing plate (9) mounted on the push plate (10) , the push rod (16) that is installed on the push rod fixed plate (9). 3. The injection molding mold of a plastic triangular rod according to claim 2, characterized in that: the moving mold seat plate (11) is equipped with a limiter for limiting the movement of the push plate (10) Nails (13). 4. The injection molding mold of a kind of plastic triangular rod according to claim 1, characterized in that: a guide sleeve B (20) is embedded in the fixed template (5), and the movable template (6) A guide post B (17) slidingly fitted with the guide sleeve B (20) is installed on it. 5. the injection molding mold of a kind of plastic triangular rod according to claim 1, is characterized in that: also embedded guide sleeve A (4) is installed on the described fixed template (5), described fixed mold seat plate (1) is installed with a guide post A (2) slidingly fitted with the guide sleeve A (4).