CN216400328U

CN216400328U - Novel double-colored moulding plastics device

Info

Publication number: CN216400328U
Application number: CN202122644739.4U
Authority: CN
Inventors: 胡俊
Original assignee: Heyuan Junkai Technology Co ltd
Current assignee: Heyuan Junkai Technology Co ltd
Priority date: 2021-11-01
Filing date: 2021-11-01
Publication date: 2022-04-29
Anticipated expiration: 2031-11-01

Abstract

The utility model discloses a novel double-color injection molding device which comprises a base plate, wherein the upper side of the base plate is fixedly connected with a bottom die, the upper side of the bottom die is provided with a molding cavity, the upper side of the base plate is fixedly connected with two stand columns, the upper ends of the two stand columns are fixedly connected with a transverse plate together, the transverse plate is fixedly connected with a first air cylinder, the lower end of a telescopic rod of the first air cylinder is fixedly connected with a molding die, the molding die is provided with an exhaust hole, the bottom of the molding die is provided with a sliding cavity, the sliding cavity is internally connected with a core die in a sliding mode, a cavity is formed in the core die, cooling water can be filled in the cavity, the upper side of the molding die is fixedly connected with a second air cylinder, the telescopic rod of the second air cylinder extends into the sliding cavity and is fixedly connected with the upper side of the core die, the core die penetrates through and is fixedly connected with a feeding pipe, one side of the bottom die is fixedly connected with a cooling cavity. The utility model realizes the double-color injection molding operation by lifting the core mold to form a pouring cavity at the upper side of the molded workpiece and injecting the raw material of the other color through the feeding pipe, and is convenient for cooling the workpiece.

Description

Novel double-colored moulding plastics device

Technical Field

The utility model relates to the technical field of injection molding production, in particular to a novel double-color injection molding device.

Background

The double-color injection molding technology is mainly applied to the fields of manufacturing household appliances, daily plastic products, automobile parts and the like, is a novel injection molding technology capable of simplifying the assembly process and improving the appearance grade of the products, and the structure of the double-color mold adopted in the mold industry at present mainly has a rotating disc type and a rotating shaft type.

The existing double-color injection mold has overlong cooling work, influences the cooling efficiency and delays the injection molding time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, and provides a novel double-color injection molding device so as to solve the problems in the prior art.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a novel double-color injection molding device comprises a base plate, wherein the upper side of the base plate is fixedly connected with a bottom die, the upper side of the bottom die is provided with a molding cavity, the upper side of the base plate is fixedly connected with two stand columns, the upper ends of the two stand columns are fixedly connected with a transverse plate together, the transverse plate is fixedly connected with a first air cylinder, the lower end of a telescopic rod of the first air cylinder is fixedly connected with a molding die, the molding die is provided with an exhaust hole, the bottom of the molding die is provided with a sliding cavity, a core die is slidably connected in the sliding cavity, a cavity is arranged in the core die, cooling water can be filled in the cavity, the upper side of the molding die is fixedly connected with a second air cylinder, the telescopic rod of the second air cylinder extends into the sliding cavity and is fixedly connected with the upper side of the core die, the core die is fixedly connected with a feeding pipe in a penetrating mode, the upper end of the feeding pipe penetrates through the molding die, one side of the bottom die is fixedly connected with a feeding pipe, the feeding pipe is communicated with the molding cavity, and a cooling cavity is arranged at the bottom of the bottom die.

Preferably, the upper end of the forming die is fixedly connected with two water pipes, the lower end of each water pipe is fixedly connected with a hose, and the hose is fixedly connected with the core die and communicated with the cavity.

Preferably, the sliding cavity upside is equipped with dodges the groove, dodge the groove and use the water pipe to set up as the benchmark.

Preferably, the bottom die is provided with a groove on the upper side, and the groove is communicated with the forming cavity.

Preferably, a sliding groove is formed in one side of the forming die, a sliding plate is connected in the sliding groove in a sliding mode, and the sliding plate and the groove are arranged correspondingly.

Preferably, the upper end of the sliding plate is fixedly connected with a push rod, the upper end of the push rod penetrates through the forming die and is fixedly connected with the baffle plate, and the sliding plate is fixedly connected with the upper wall of the sliding chute through an ejection spring.

The utility model has the advantages that: according to the novel double-color injection molding device, the forming die is matched with the bottom die under the action of the first cylinder, hot melting raw materials are injected into the forming cavity, after the novel double-color injection molding device is cooled, the core die is lifted by the second cylinder, the core die is lifted, a pouring cavity is formed at the upper side of a molded workpiece, and then the raw materials of the other color are injected through the feeding pipe, so that double-color injection molding operation is realized, and the workpiece is conveniently cooled; the plastic liquid is filled into the forming cavity and enters the groove, a bump is formed in the groove and is cut off after the workpiece is separated from the die, and when the forming die is lifted, the ejection spring pushes the sliding plate to push the bump formed on the edge of the workpiece, so that the workpiece is conveniently separated from the die, and the workpiece is prevented from rising along with the forming die.

Drawings

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is a schematic structural view of the bottom mold of the present invention;

FIG. 3 is a schematic view showing the structure of a molding die in the present invention;

fig. 4 is a partial enlarged view of fig. 3 at E.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

Example 1

As shown in FIGS. 1-4, the novel two-color injection molding device provided by the present invention comprises a base plate 1, a bottom mold 2 is fixedly connected to the upper side of the base plate 1, a molding cavity 21 is arranged on the upper side of the bottom mold 2, two upright posts 11 are fixedly connected to the upper side of the base plate 1, a horizontal plate 12 is fixedly connected to the upper ends of the two upright posts 11, a first cylinder 13 is fixedly connected to the horizontal plate 12, the lower end of a telescopic rod of the first cylinder 13 is fixedly connected to a molding mold 3, the molding mold 3 is provided with an exhaust hole 311, a sliding cavity 31 is arranged at the bottom of the molding mold 3, a core mold 32 is slidably connected to the sliding cavity 31, a cavity 33 is arranged inside the core mold 32, cooling water can be filled in the cavity 33, a second cylinder 34 is fixedly connected to the upper side of the molding mold 3, the telescopic rod of the second cylinder 34 extends into the sliding cavity 31 and is fixedly connected to the upper side of the core mold 32, a feeding pipe 35 is fixedly connected to the core mold 32 in a penetrating manner, the upper end of the feeding pipe 35 penetrates through the molding mold 3, the conveying pipe is fixedly connected to one side of the bottom die 2 and communicated with the forming cavity 21, the cooling cavity 22 is formed in the bottom of the bottom die 2, and cooling water can be injected into the cooling cavity 22 to cool the die.

Specifically, the upper end of the forming die 3 is fixedly connected with two water pipes 4, the lower end of each water pipe 4 is fixedly connected with a hose 41, the hose 41 is fixedly connected with the core die 32 and communicated with the cavity 33, the upper side of the sliding cavity 31 is provided with an avoiding groove 42, and the avoiding groove 42 is arranged by taking the water pipe 4 as a reference, so that the hose 41 can be folded in the avoiding groove 42 when the core die 32 rises; firstly, the forming die 3 is matched with the bottom die 2 under the action of the first cylinder 13, hot melting raw materials are injected into the forming cavity 21, after the forming die is cooled, the second cylinder 34 is lifted, the core die 32 rises to form a pouring cavity on the upper side of a formed workpiece, and then raw materials of another color are injected through the feeding pipe 35, so that the double-color injection molding operation is realized, and the cooling of the workpiece is facilitated.

Specifically, the upper side of the bottom die 2 is provided with a groove 5, the groove 5 is communicated with the forming cavity 21, one side of the forming die 3 is provided with a sliding groove 51, the sliding groove 51 is in sliding connection with a sliding plate 52, the sliding plate 52 is arranged corresponding to the groove 5, the upper end of the sliding plate 52 is fixedly connected with a push rod 53, the upper end of the push rod 53 penetrates through the forming die 3 and is fixedly connected with a baffle 54, and an ejection spring 55 is fixedly connected between the sliding plate 52 and the upper wall of the sliding groove 51. The molding cavity 21 is filled with the molding liquid and then enters the groove 5, a bump is formed in the groove 5, the bump is cut off after the workpiece is separated from the mold, and when the molding mold 3 is lifted, the ejection spring 55 pushes the sliding plate 52 against the bump formed on the edge of the workpiece, so that the workpiece is conveniently separated from the mold, and the workpiece is prevented from rising along with the molding mold 3.

According to the working principle, firstly, the forming die 3 is matched with the bottom die 2 under the action of the first air cylinder 13, hot melting raw materials are injected into the forming cavity 21, after the forming die is cooled, the second air cylinder 34 is lifted, the core die 32 rises to form a pouring cavity on the upper side of a formed workpiece, and then raw materials of another color are injected through the feeding pipe 35, so that the double-color injection molding operation is realized, and the workpiece is conveniently cooled.

The molding cavity 21 is filled with the molding liquid and then enters the groove 5, a bump is formed in the groove 5, the bump is cut off after the workpiece is separated from the mold, and when the molding mold 3 is lifted, the ejection spring 55 pushes the sliding plate 52 against the bump formed on the edge of the workpiece, so that the workpiece is conveniently separated from the mold, and the workpiece is prevented from rising along with the molding mold 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel double-colored injection moulding device, includes base plate (1), base plate (1) upside fixed connection die block (2), die block (2) upside is equipped with one-tenth die cavity (21), two stands (11) of base plate (1) upside fixed connection, common fixed connection diaphragm (12) in two stands (11) upper end, diaphragm (12) first cylinder (13) of fixed connection, telescopic link lower extreme fixed connection moulded die (3) of first cylinder (13), moulded die (3) are equipped with exhaust hole (311), its characterized in that: moulded die (3) bottom is equipped with sliding chamber (31), sliding connection mandrel (32) in sliding chamber (31), inside cavity (33) that is equipped with of mandrel (32), the cooling water can be packed into in cavity (33), upside fixed connection second cylinder (34) of moulded die (3), the telescopic link of second cylinder (34) stretch into sliding chamber (31) in and with mandrel (32) upside fixed connection, mandrel (32) run through formula fixedly connected with feed pipe (35), the upper end run through moulded die (3) of feed pipe (35), die block (2) one side fixed connection conveying pipeline, conveying pipeline intercommunication shaping chamber (21) set up, die block (2) bottom is equipped with cooling chamber (22).

2. A novel two-shot molding apparatus, according to claim 1, wherein: the upper end of the forming die (3) is fixedly connected with two water pipes (4), the lower ends of the water pipes (4) are fixedly connected with a hose (41), and the hose (41) is fixedly connected with the core die (32) and communicated with the cavity (33).

3. A novel two-shot molding apparatus, according to claim 2, wherein: the upper side of the sliding cavity (31) is provided with an avoiding groove (42), and the avoiding groove (42) is arranged by taking the water pipe (4) as a reference.

4. A novel two-shot molding apparatus, according to claim 1, wherein: bottom die (2) upside is equipped with recess (5), recess (5) intercommunication shaping chamber (21) set up.

5. A novel two-shot molding apparatus, according to claim 4, wherein: a sliding groove (51) is formed in one side of the forming die (3), a sliding plate (52) is connected in the sliding groove (51) in a sliding mode, and the sliding plate (52) corresponds to the groove (5).

6. A novel two-shot molding apparatus, according to claim 5, wherein: the upper end of the sliding plate (52) is fixedly connected with a push rod (53), the upper end of the push rod (53) penetrates through the forming die (3) and is fixedly connected with a baffle plate (54), and an ejection spring (55) is fixedly connected between the sliding plate (52) and the upper wall of the sliding groove (51).