CN205291447U - A compact plastic injection mold - Google Patents

Abstract

The utility model provides a compact plastic injection mold of overall arrangement, including runner cover, latch segment, long push rod, push rod and push pedal guide pin bushing, the runner cover is installed on the die holder board, and is provided with the pouring pipeline in the runner cover, the upper left side at the die holder board is installed to the latch segment, latch segment right side below is provided with the side shoe, it is fixed through oblique guide pillar between side shoe and the cover half bedplate, the right side of cover half bedplate is provided with tensile guide pin bushing, and is provided with the guide pillar below the right side of cover half bedplate, the right side of guide pillar is provided with the movable mould board, the right side of movable mould board is provided with the drag hook, the top at the movable mould backing plate is installed to the movable mould board, the below of movable mould. Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses rational in infrastructure, convenient to use, the projected area of pouring pipeline on the die joint is little, and mould compact structure avoids and reduces the heat seal trace that the mould pouring produced when using.

Description

A compact plastic injection mold

technical field

The utility model relates to a compact plastic injection mold, which belongs to the field of plastic mold manufacturing equipment.

Background technique

Although the structure of the mold may vary due to the variety and performance of the plastic, the shape and structure of the plastic product, and the type of the injection machine, the basic structure is the same. The mold is mainly composed of pouring system, temperature adjustment system, molding parts and structural parts. Among them, the pouring system and molding parts are the parts that are in direct contact with the plastic and change with the plastic and the product. They are the most complex and the most changing parts in the mold, requiring the highest processing finish and precision. The injection mold consists of a moving mold and a fixed mold. The moving mold is installed on the movable template of the injection molding machine, and the fixed mold is installed on the fixed template of the injection molding machine. During injection molding, the movable mold and the fixed mold are closed to form the gating system and the cavity, and the movable mold and the fixed mold are separated to take out the plastic product when the mold is opened. In order to reduce the heavy workload of mold design and manufacturing, most injection molds use standard mold bases. However, the current mold has a large volume and the actual utilization area is not high, which increases the production cost and reduces the utilization rate of the mold itself.

Utility model content

Aiming at the deficiencies in the existing technology, the purpose of this utility model is to provide a wearable smart device to solve the problems raised in the above-mentioned background technology. The utility model has a reasonable structure and is easy to use. The projected area of the pouring system on the parting surface Small, compact mold structure, to avoid and reduce the welding line produced when the mold is poured.

In order to achieve the above object, the utility model is achieved through the following technical solutions: a plastic injection mold with a compact layout, including a sprue sleeve, a locking block, a long push rod, a push rod and a push plate guide sleeve, the pouring The sprue sleeve is installed on the mold base plate, and the sprue sleeve is provided with a pouring pipe, the locking block is installed on the upper left of the mold base plate, and a side sliding block is arranged on the lower right side of the locking block, and the side sliding The block and the fixed mold seat plate are fixed by an inclined guide post, the right side of the fixed mold seat plate is provided with a stretching guide sleeve, and the lower right side of the fixed mold seat plate is provided with a guide post, and the right side of the guide post is A movable template is provided, and a pull hook is arranged on the right side of the movable template, and the movable template is installed above the movable mold backing plate, and a support plate is arranged under the movable mold backing plate, and the supporting plate is installed on the movable mold Above the installation plate, the right side of the support plate is provided with a push rod fixing plate, the long push rod is fixed on the push rod fixing plate and the movable template, and the push rod is fixed on the movable mold backing plate and the push plate fixing plate , the push plate guide column is installed on the movable mold backing plate and the movable mold installation plate, the push plate guide sleeve is installed on the push plate guide column, and the movable mold installation plate and the push rod fixing plate are passed through the nail connect.

Further, the movable mold backing plate and the long push rod are provided with interengaging threads.

Further, there are two push rods, and the two push rods are fixed on the push rod fixing plate through nuts.

Further, the pouring pipe is provided with gates, runners, cold slug pockets and cores.

Further, the cold slug cavity is installed above the core.

Further, there are two pull hooks.

Beneficial effects of the utility model: the utility model is a plastic injection mold with a compact layout. The utility model has a reasonable structure and is convenient to use. The projected area of the pouring pipe on the parting surface is small, and the mold structure is compact, which can avoid and reduce mold pouring. Weld lines produced during use save material and reduce the volume of the mold by reducing the thickness of the backing plate in the mold. The mold adopts an oblique pin mechanism, which works stably, has a compact structure, is convenient to process, and is easy to replace, which improves product accuracy and mold life. ensure.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is a structural representation of a compact plastic injection mold of the present invention;

Fig. 2 is a structural schematic diagram of a pouring device of a compact plastic injection mold of the present invention;

In the figure: 1- sprue sleeve, 2- inclined guide column, 3- fixed mold seat plate, 4- locking block, 5- side slider, 6- moving mold backing plate, 8- support plate, 8- moving mold Mounting plate, 9-push rod fixing plate, 10-long push rod, 11-push rod, 12-push plate guide sleeve, 13-push plate guide post, 14-pouring pipe, 141-gate, 142-runner, 143-cold hole, 144-core, 15-stretch guide sleeve, 16-guide column, 17-retractor, 18-moving template, 19-cable nail.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Please refer to Figure 1 and Figure 2, the utility model provides a technical solution: a plastic injection mold with a compact layout, including a sprue sleeve 1, a locking block 4, a long push rod 10, a push rod 11 and a push plate guide sleeve 12. The sprue sleeve 1 is installed on the mold base plate 3, and the sprue sleeve 1 is provided with a pouring pipe 14, and the pouring pipe 14 is provided with a gate 141, a runner 142, a cold material cavity 143 and a core 144. The material cavity 143 is installed above the core 144, the locking block 4 is installed on the upper left side of the mold base plate 3, and the side slider 5 is arranged on the lower right side of the locking block 4, between the side slider 5 and the fixed mold base plate 3 Fixed by the inclined guide post 2, the right side of the fixed die seat plate 3 is provided with a stretching guide sleeve 15, and the lower right side of the fixed die seat plate 3 is provided with a guide post 16, and the right side of the guide post 16 is provided with a movable template 18, The right side of the movable template 18 is provided with a draw hook 17, and there are two draw hooks 17. The movable template 18 is installed above the movable mold backing plate 6, and the bottom of the movable mold backing plate 6 is provided with a supporting plate 7, and the supporting plate 7 is installed on the moving mold backing plate 6. Above the mold mounting plate 8, the right side of the support plate 7 is provided with a push rod fixing plate 9, the long push rod 10 is fixed on the push rod fixing plate 9 and the movable template 18, and the push rod 11 is fixed on the movable mold backing plate 6 and the push plate On the fixed plate 9, two push rods 11 are provided with two, and the two push rods 11 are fixed on the push rod fixed plate 9 by nuts, and the movable mold backing plate 6 and the long push rod 11 are provided with interengaging threads, and the push rods The guide column 13 is installed on the movable mold backing plate 6 and the movable mold installation plate 8, the push plate guide sleeve 12 is installed on the push plate guide column 13, and the movable mold installation plate 8 and the push rod fixing plate 9 are connected by a retaining nail 19 .

How it works: Plastic injection molds are the parts that give shape and size to plastic during molding. Through the injection molding machine, the molten plastic passes through the gate 141 on the gating system 14, and the molten plastic flows in the flow channel 142 and flows into the core 144. By adjusting the locking block 4, the side slide plate 5, the length The shape of the cavity 144 is fixed by the push rod 10, the push rod 11 and the movable template 15, and the plastic is cooled in the cavity 144 to obtain a fixed shape, and then the movable mold and the fixed mold of the mold are separated to take out the finalized plastic product.

The basic principles and main features of the utility model and the advantages of the utility model have been shown and described above. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the utility model The present utility model can be realized in other specific forms without the spirit or essential features. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to be included in the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only includes an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. the plastic injection mold of a compact in design, including sprue bush (1), latch segment (4), long push rod (10), push rod (11) and ejector guide pillar (12), it is characterized in that: described sprue bush (1) is arranged on die holder plate (3), and in sprue bush (1), it is provided with cast pipeline (14), described latch segment (4) is arranged on the upper left side of die holder plate (3), described latch segment (4) lower right is provided with side slide (5), fixed by Angle Pin (2) between described side slide (5) and top clamping plate (3), the right side of described top clamping plate (3) is provided with stretching guide pin bushing (15), and the lower right of top clamping plate (3) is provided with guide pillar (16), the right side of described guide pillar (16) is provided with moving platen (18), the right side of described moving platen (18) is provided with drag hook (17), described moving platen (18) is arranged on the top of dynamic model backing plate (6), described dynamic model backing plate (6) be arranged below gripper shoe (7), described gripper shoe (7) is arranged on dynamic model installing plate (8) top, the right side of described gripper shoe (7) is provided with ejector pin retaining plate (9), described long push rod (10) is fixed on ejector pin retaining plate (9) and moving platen (18), described push rod (11) is fixed on dynamic model backing plate (6) and the fixing plate (9) of push pedal, described push pedal guide pillar (13) is arranged on dynamic model backing plate (6) and dynamic model installing plate (8), described ejector guide pillar (12) is arranged on push pedal guide pillar (13), connected by shelves nail (19) between described dynamic model installing plate (8) and ejector pin retaining plate (9).

2. the plastic injection mold of a kind of compact in design according to claim 1, it is characterised in that: described dynamic model backing plate (6) and be provided with intermeshing screw thread on long push rod (11).

3. the plastic injection mold of a kind of compact in design according to claim 1, it is characterised in that: described push rod (11) is provided with two, and two push rods (11) are fixed on ejector pin retaining plate (9) by nut.

4. the plastic injection mold of a kind of compact in design according to claim 1, it is characterised in that: described cast pipeline (14) is provided with cast gate (141), runner (142), cold slug well (143) and core (144).

5. the plastic injection mold of a kind of compact in design according to claim 4, it is characterised in that: described cold slug well (143) is arranged on the top of core (144).

6. the plastic injection mold of a kind of compact in design according to claim 1, it is characterised in that: described drag hook (17) is provided with two.