Double-color injection mold for automobile waterproof switch

Abstract

The utility model provides a double-color injection mold of an automobile waterproof switch, which comprises a bottom table, a left mold, a middle mold and a right mold are sequentially arranged on the bottom table from left to right, the left mold and the right mold are arranged in bilateral symmetry about the middle mold, and the left mold and the right mold are the same in structure. The left mold comprises a supporting vertical plate, an air cylinder, a connecting frame and a mold body, the middle mold comprises a middle mold body, the front side and the rear side of the middle mold body are connected with a front shaft and a rear shaft respectively, the front shaft is arranged on a front plate through a bearing, an output shaft of a motor penetrates through a hole, provided with a bearing, in a rear plate and is in key connection with the rear shaft, and the middle mold body is connected with the motor. And a limiting piece is arranged on the rear shaft. The double-color injection mold has the beneficial effects that under the action of rotation of the middle mold, double-color injection molding can be carried out on an injection molding product, and the position of the product does not need to be manually replaced; under the cooperation of the limiting protrusion of the limiting piece and the semicircular sliding groove, the effect of limiting the middle die is achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of automobile parts molds, and particularly relates to a two-color injection mold for an automobile waterproof switch. Background Art

[0002] When an automobile waterproof switch is injection-molded, a two-color injection mold is often used for processing. At present, during factory processing, generally after one color is molded, it is manually taken off and placed into another color mold for injection again. The operation is inconvenient and the production efficiency is low; even when equipment rotation is adopted for two-color injection molding, there is also a problem that the positioning effect of the rear mold during rotation is not good, affecting the quality of the finished product. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a two-color injection mold for an automobile waterproof switch, which plays a limiting role in rotation, improves the processing quality and has high production efficiency, and is particularly suitable for injection molding an automobile waterproof switch.

[0004] The technical solution of the utility model is: a two-color injection mold for an automobile waterproof switch, including a bottom table, on which a left mold, a middle mold and a right mold are successively arranged from left to right. The left mold and the right mold are symmetrically arranged about the middle mold left and right, and the left mold and the right mold have the same structure.

[0005] The left mold includes a supporting vertical plate, a cylinder, a connecting frame and a mold body. The supporting vertical plate is fixed on the bottom table. A cylinder is arranged on the right side of the supporting vertical plate. The piston rod of the cylinder is connected to one side of the connecting frame, and the other side of the connecting frame is connected to the left side of the mold body. A forming groove is arranged on the right side of the mold body. An injection hole is arranged on the front side of the mold body, and the injection hole is communicated with the forming groove through a channel in the mold body.

[0006] The middle mold includes a middle mold body. A front plate and a rear plate are further arranged on the bottom table before and after, and the front plate and the rear plate are arranged between two supporting vertical plates. First protrusions and second protrusions corresponding to the forming grooves of the left mold and the forming grooves of the right mold are respectively arranged on the left and right sides of the middle mold body.

[0007] The middle mold body is rotatably arranged between the front plate and the rear plate. The front and rear sides of the middle mold body are respectively connected with a front shaft and a rear shaft. The front shaft is arranged on the front plate through a bearing. The output shaft of the motor passes through a hole with a bearing on the rear plate and is key-connected to the rear shaft. A limiting member is arranged on the rear shaft. The limiting member includes a limiting ring. The rear shaft is rotatably arranged in the limiting ring. A limiting protrusion is arranged on the rear shaft extending into the limiting ring. A semi-circular sliding groove matched with the limiting protrusion is arranged in the limiting ring. The limiting protrusion is slidably arranged in the semi-circular sliding groove.

[0008] Further, a first upper rod and a first lower rod are respectively arranged between the support vertical plate of the left mold and the front and rear left sides up and down. First holes and second holes for the first upper rod and the first lower rod to pass through are respectively arranged on the upper and lower parts of the mold body of the left mold. The first upper rod and the first lower rod slide along the first holes and the second holes. Second upper rods and second lower rods are respectively arranged between the support vertical plate of the right mold and the right sides of the front and rear plates up and down. Third holes and fourth holes for the second upper rods and the second lower rods to pass through are respectively arranged on the upper and lower parts of the mold body of the right mold. The second upper rods and the second lower rods slide along the third holes and the fourth holes.

[0009] Further, the injection hole is connected to the raw material tank through a connecting pipe, and a suction pump and a flow valve are arranged on the connecting pipe.

[0010] Further, the motor is arranged on the rear side of the rear plate through a connecting plate.

[0011] Further, a plurality of first protrusions are arranged on the right side of the left mold, a plurality of second protrusions are arranged on the left side of the right mold, and a first groove and a second groove corresponding to the first protrusions and the second protrusions are respectively arranged on the left and right sides of the middle mold.

[0012] The advantages and positive effects of the present utility model are as follows: Due to the adoption of the above technical solution, under the action of the rotation of the middle mold, double-color injection molding of the injection molded product can be carried out without manually changing the position of the product; under the cooperation of the limiting protrusion of the limiting member and the semi-circular chute, the function of limiting the middle mold is achieved. Description of the Drawings

[0013] Figure 1 is a schematic structural diagram of the present utility model.

[0014] Figure 2 is a top view of the middle mold.

[0015] Figure 3 is a front view of the limiting member.

[0016] In the figure:

[0017] 1, bottom platform; 2, support vertical plate; 3, cylinder

[0018] 4, connecting frame; 5, mold body; 6, middle mold body

[0019] 7, front plate; 8, rear plate; 9, motor

[0020] 10, rear shaft; 11, limiting ring; 12, limiting protrusion

[0021] 13, semi-circular chute; 14, injection hole Detailed Embodiment

[0022] Such as Figures 1-3As shown in the figure, the technical solution of the present utility model is a two-color injection mold for an automobile waterproof switch, including a bottom table 1. On the bottom table 1, a left mold, a middle mold, and a right mold are arranged in sequence from left to right. The left mold and the right mold are symmetrically arranged about the middle mold on the left and right, and the left mold and the right mold have the same structure.

[0023] The left mold includes a supporting vertical plate 2, a cylinder 3, a connecting frame 4, and a mold body 5. The supporting vertical plate 2 is fixed on the bottom table 1. A cylinder 3 is arranged on the right side of the supporting vertical plate 2. The piston rod of the cylinder 3 is connected to one side of the connecting frame 4, and the other side of the connecting frame 4 is connected to the left side of the mold body 5. A forming groove is arranged on the right side of the mold body 5. An injection hole is arranged on the front side of the mold body 5, and the injection hole is communicated with the forming groove through a channel in the mold body 5.

[0024] The middle mold includes a middle mold body 6. A front plate 7 and a rear plate 8 are further arranged on the bottom table before and after, and the front plate 7 and the rear plate 8 are arranged between the two supporting vertical plates 2. A first protrusion and a second protrusion corresponding to the forming groove of the left mold and the forming groove of the right mold are respectively arranged on the left and right sides of the middle mold body 6.

[0025] The middle mold body 6 is rotatably arranged between the front plate 7 and the rear plate 8. The front and rear sides of the middle mold body 6 are respectively connected with a front shaft and a rear shaft 10. The front shaft is arranged on the front plate 7 through a bearing. The output shaft of the motor 9 passes through the hole with a bearing on the rear plate 8 and is key-connected to the rear shaft 10. A limiting member is arranged on the rear shaft 10. The limiting member includes a limiting ring 11. The rear shaft rotates in the limiting ring. A limiting protrusion 12 is arranged on the rear shaft 10 extending into the limiting ring 11. A semi-circular sliding groove 13 matched with the limiting protrusion 12 is arranged in the limiting ring 11. The limiting protrusion 12 slides in the semi-circular sliding groove 13.

[0026] In this embodiment, a first upper rod and a first lower rod are respectively arranged up and down between the supporting vertical plate 2 of the left mold and the front and rear left sides. First holes and second holes for the first upper rod and the first lower rod to pass through are respectively arranged up and down on the mold body 5 of the left mold. The first upper rod and the first lower rod slide along the first holes and the second holes. Second upper rods and second lower rods are respectively arranged up and down between the supporting vertical plate 2 of the right mold and the right sides of the front and rear plates. Third holes and fourth holes for the second upper rods and the second lower rods to pass through are respectively arranged up and down on the mold body 5 of the right mold. The second upper rods and the second lower rods slide along the third holes and the fourth holes.

[0027] In this embodiment, the injection hole 14 is connected to a raw material tank through a connecting pipe. A suction pump and a flow valve (the connecting pipe, the suction pump, the flow valve, and the raw material tank are not shown in the figure) are arranged on the connecting pipe.

[0028] In this embodiment, the motor 9 is arranged on the rear side of the rear plate 8 through a connecting plate.

[0029] In this embodiment, a plurality of first protrusions are provided on the right side of the left mold, a plurality of second protrusions are provided on the left side of the right mold, and a first groove and a second groove corresponding to the first protrusion and the second protrusion are respectively provided on the left and right sides of the middle mold.

[0030] Working process and principle of this example: During processing, after a raw material of one color is introduced into the left mold and is to be formed, the left mold is separated from the middle mold, and the motor 9 is started to drive the middle mold body 6 to rotate. At this time, under the action of the limiting member, it rotates 180 degrees to ensure that the rotated middle mold is accurately positioned with the left mold and the right mold; then, after a raw material of another color is introduced into the right mold and is to be formed, the right mold is separated from the middle mold, and so on. When the right mold and the middle mold are working, the left mold and the middle mold can work simultaneously.

[0031] The above has described in detail an embodiment of the present invention, but the content described is only a preferred embodiment of the present invention and cannot be considered as being used to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the application of the present invention shall still fall within the scope covered by the patent of the present invention.

Claims

1. A two-color injection mold for a car waterproof switch, characterized in that: The invention comprises a base, on which a left mold, a middle mold and a right mold are arranged in sequence from left to right. The left mold and the right mold are arranged symmetrically with respect to the middle mold, and the left mold and the right mold have the same structure. The left mold includes a support vertical plate, a cylinder, a connecting frame, and a mold body. The support vertical plate is fixed on the bottom platform. A cylinder is provided on the right side of the support vertical plate. The piston rod of the cylinder is connected to one side of the connecting frame. The other side of the connecting frame is connected to the left side of the mold body. A molding groove is provided on the right side of the mold body. An injection hole is provided on the front side of the mold body, and the injection hole is connected to the molding groove through a channel in the mold body. The middle mold includes a middle mold body, and a front plate and a rear plate are also provided on the front and back of the base platform, and the front plate and the rear plate are arranged between two supporting vertical plates, and a first protrusion and a second protrusion corresponding to the molding groove of the left mold and the molding groove of the right mold are respectively provided on the left and right sides of the middle mold body, and the middle mold body is rotatably arranged between the front plate and the rear plate, and the front and rear sides of the middle mold body are respectively connected with a front axle and a rear axle, and the front axle is arranged on the front plate through a bearing, and the output shaft of the motor passes through the hole with the bearing on the rear plate and is connected with the rear axle key, and a limit piece is provided on the rear axle, and the limit piece includes a limit ring, and a rear axle is rotatably arranged in the limit ring, and a limit protrusion is provided on the rear axle extending into the limit ring, and a semicircular slide groove matching the limit protrusion is provided in the limit ring, and the limit protrusion is slidably arranged in the semicircular slide groove.

2. The double-color injection mold for a waterproof switch for an automobile according to claim 1, characterized in that: A first upper rod and a first lower rod are respectively provided between the support vertical plate of the left mold and the front and rear left sides, and a first hole and a second hole for the first upper rod and the first lower rod to pass through are respectively provided on the upper and lower parts of the mold body of the left mold, and the first upper rod and the first lower rod slide along the first hole and the second hole. A second upper rod and a second lower rod are respectively provided between the support vertical plate of the right mold and the right sides of the front and rear plates, and a third hole and a fourth hole for the second upper rod and the second lower rod to pass through are respectively provided on the upper and lower parts of the mold body of the right mold, and the second upper rod and the second lower rod slide along the third hole and the fourth hole.

3. The double-color injection mold for a waterproof switch for an automobile according to claim 1, characterized in that: The injection hole is connected with the raw material box through a connecting pipe, and a pump and a flow valve are arranged on the connecting pipe.

4. The double-color injection mold for a waterproof switch for an automobile according to claim 1, characterized in that: The motor is arranged on the rear side of the rear plate through a connecting plate.

5. The double-color injection mold for a waterproof switch for an automobile according to claim 1, characterized in that: The left mold is provided with a plurality of first protrusions on the right side, the right mold is provided with a plurality of second protrusions on the left side, and the left and right sides of the middle mold are respectively provided with first grooves and second grooves corresponding to the first grooves and the second grooves.

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