CN210820632U

CN210820632U - Double-color forming die

Info

Publication number: CN210820632U
Application number: CN201921403361.5U
Authority: CN
Inventors: 李军
Original assignee: Shanghai Pingyue Precision Mould Co ltd
Current assignee: Shanghai Pingyue Precision Mould Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-23
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses a double-color forming die, which comprises a rear die, wherein the rear die comprises a lower template, the top of the lower template is provided with a die core, a product is injected in the die core, the tops of the lower templates at two sides of the product are provided with chutes, the bottom of one end of each chute is communicated with an installation cavity, the bottom in the installation cavity is fixedly provided with a driving motor, the rotating end of the driving motor is fixedly connected with a cam shaft, the outer wall of one end of the cam shaft, which is positioned in the chute, is fixedly sleeved with a cam, the end, which is close to the die core, in the chute is slidably clamped with a slide block, the side wall of one end, which is close to the die core, of the slide block is fixedly connected with a spring, the free end of the spring is fixedly connected with the inner wall of the chute, the side wall of one, the bottom of the pressing block is in sliding fit with the top of the lower template, and the bottom of the pressing block is in movable contact with the top of the product.

Description

Double-color forming die

Technical Field

The utility model relates to a double-colored mould technical field specifically is a double-colored forming die.

Background

The double-color mold type is to inject two plastic materials on the same injection molding machine, molding is carried out twice, but a product is only taken out of a mold once, generally, the molding process is also called double-material injection molding, generally, the double-color injection molding is finished by a set of mold, and a special double-color injection molding machine is needed, the double-color mold is increasingly popular in the market at present, the manufacturing process of the double-color product mainly comprises the manufacturing of a primary product and the manufacturing of a secondary product, wherein the manufacturing process of the secondary product needs to be formed on the basis of the primary product so as to be combined with the primary product during molding to obtain the double-color product, after the injection molding is finished for the primary product, the product is left in a rear mold, and after the rear mold rotates, the secondary product is injected and the complete double-color product can be obtained, however, the phenomenon that the primary product loosens or falls off when the rear mold rotates often occurs in the double-color mold, to this end, we propose a two-color molding die for solving the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-colored forming die to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a double-color forming die comprises a rear die, wherein the rear die comprises a lower die plate, a die core is arranged at the top of the lower die plate, a product is injected in the die core, sliding grooves are formed in the tops of the lower die plates on two sides of the product, an installation cavity is communicated with the bottom of one end of each sliding groove, a driving motor is fixedly arranged at the bottom in the installation cavity, a cam shaft is fixedly connected to the rotating end of the driving motor, the top end of the cam shaft extends into the sliding grooves and is rotatably connected with the bottom of a reinforcing plate fixedly connected with the inner wall of the sliding grooves, a cam is fixedly sleeved on the outer wall of one end, located in the sliding grooves, of the cam shaft, a sliding block is slidably clamped at one end, close to the die core, of the sliding block, a spring is fixedly connected to the side wall of one end, close to the die, the outer wall of cylinder rotates the laminating with the outer wall of cam, the fixed mounting panel that is equipped with in top of slider, the fixed briquetting that is equipped with in one side that the mounting panel is close to the mold core, the bottom and the lower bolster top of briquetting slide the laminating, and the bottom of briquetting and the top movable contact of product.

As an optimal technical scheme of the utility model, the fixed T-shaped piece that is equipped with in bottom of slider, the bottom surface is equipped with the T-shaped groove with the cooperation of T-shaped piece in the spout, the slip joint has the T-shaped piece in the T-shaped groove.

As a preferred technical scheme of the utility model, the bottom of briquetting is equipped with the rectangle chamber, a plurality of groups of elastic component of top surface fixedly connected with in the rectangle chamber, the free end fixed connection of elastic component is at the top of lifter plate, the fixed a plurality of groups of installation curb plates that are equipped with in bottom of lifter plate, rotate on the installation curb plate and install the pulley, the outer wall and the lower bolster top activity of pulley are supported and are closed, and the top swing joint of the outer wall of pulley and product.

As a preferred technical scheme of the utility model, the fixed stopper that is equipped with of both ends lateral wall of lifter plate, rectangle intracavity wall is equipped with the spacing groove with the stopper cooperation, the slip joint has the stopper in the spacing groove.

As an optimal technical scheme of the utility model, the distance of installation curb plate bottom to lower bolster top is the half of pulley bottom to lower bolster top distance.

Compared with the prior art, the beneficial effects of the utility model are that:

the bottom pressfitting of briquetting is fixed a position the product at the top of product, prevents that the product from following the back mould when rotatory, the problem that drops easily appears to improve product quality, reduce the rejection rate, and because the pulley is under initial condition, its lower extreme is located the spout, consequently when the top contact with the product, under the elastic action of elastic component, inseparable pressfitting is in the top of product, strengthens the limited effect to the product.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is an enlarged structural diagram of a portion a in fig. 2 according to the present invention.

In the figure: the die comprises a rear die 1, a lower die plate 11, a die core 12, a mounting cavity 13, a sliding groove 14, a T-shaped groove 15, a reinforcing plate 16, a product 2, a driving motor 3, a cam shaft 31, a cam 32, a sliding block 4, a T-shaped block 41, a spring 42, a groove 43, a roller 44, a mounting plate 45, a pressing block 5, a rectangular cavity 51, an elastic element 52, a lifting plate 53, a mounting side plate 54, a pulley 55, a limiting block 56 and a limiting groove 57.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a double-color forming die comprises a rear die 1, wherein the rear die 1 comprises a lower die plate 11, a die core 12 is arranged at the top of the lower die plate 11, a product 2 is injected in the die core 12, sliding grooves 14 are formed in the tops of the lower die plates 11 on two sides of the product 2, an installation cavity 13 is communicated with the bottom of one end of each sliding groove 14, a driving motor 3 is fixedly installed at the bottom in the installation cavity 13, a cam shaft 31 is fixedly connected to the rotating end of the driving motor 3, the top end of the cam shaft 31 extends into the corresponding sliding groove 14 and is rotatably connected with the bottom of a reinforcing plate 16 fixedly connected with the inner wall of the corresponding sliding groove 14, a cam 32 is fixedly sleeved on the outer wall of one end, located in the corresponding sliding groove 14, of the cam shaft 31, a sliding block 4 is clamped at one end, close to the die core 12, of the sliding block 4 is fixedly connected with a spring 42 on the side, a roller 44 is rotatably mounted in the groove 43, the outer wall of the roller 44 is rotatably attached to the outer wall of the cam 32, a mounting plate 45 is fixedly arranged at the top of the slider 4, a pressing block 5 is fixedly arranged on one side of the mounting plate 45 close to the mold core 12, the bottom of the pressing block 5 is slidably attached to the top of the lower mold plate 11, and the bottom of the pressing block 5 is movably contacted with the top of the product 2, during daily use, before the rear mold 1 rotates, the driving motors 3 at the two ends of the lower mold plate 11 are started, the rotating ends of the driving motors 3 drive the cam shaft 31 and the cam 32 to rotate, when the farthest end of the cam 32 is contacted with the outer wall of the roller 44 on the slider 4, the driving motors 3 are stopped, the slider 4 compresses the springs 42, the mounting plate 45 and the pressing block 5 are driven to move towards the direction close to the product 2, the bottom of the pressing block 5 is pressed on the top of the product, the problem of easy falling occurs, thereby improving the product quality and reducing the rejection rate, after the back die 1 rotates, the driving motor 3 is restarted to separate the farthest end of the cam 32 from the roller 44, the pressing block 5 is driven to reset by the elastic force of the spring 42 and is attached to the nearest end of the cam 32, and the limitation of the product 2 is unlocked.

The bottom of slider 4 is fixed and is equipped with T-shaped piece 41, and the bottom surface is equipped with T-shaped groove 15 with the cooperation of T-shaped piece 41 in the spout 14, and sliding joint has T-shaped piece 41 in T-shaped groove 15, guarantees slider 4 steady motion in spout 14.

The bottom of the pressing block 5 is provided with a rectangular cavity 51, the top surface in the rectangular cavity 51 is fixedly connected with a plurality of groups of elastic parts 52, the free ends of the elastic parts 52 are fixedly connected with the top of the lifting plate 53, the bottom of the lifting plate 53 is fixedly provided with a plurality of groups of mounting side plates 54, pulleys 55 are rotatably mounted on the mounting side plates 54, the outer walls of the pulleys 55 are movably abutted with the top of the lower template 11, and the outer walls of the pulleys 55 are movably contacted with the top of the product 2, when the pressing block 5 moves towards the direction close to the product 2, the outer walls of the pulleys 55 are firstly contacted with the inner wall of the sliding groove 14, under the action of thrust, the lifting plate 53 is driven to move upwards, the elastic parts 52 are compressed, so that the bottom of the pulleys 55 is attached to the top of the lower template 11 and slides to the top of the product 2, because the pulleys 55 are in the initial state, under the action of the elastic force of the elastic member 52, the product 2 is tightly pressed above the elastic member, so that the limiting effect on the product 2 is enhanced.

The both ends lateral wall of lifter plate 53 is fixed and is equipped with stopper 56, and rectangular cavity 51 inner wall is equipped with spacing groove 57 with the cooperation of stopper 56, and the slip joint has stopper 56 in spacing groove 57, guarantees the steady motion of lifter plate 53 in rectangular cavity 51.

The distance from the bottom of the mounting side plate 54 to the top of the lower template 11 is one half of the distance from the bottom of the pulley 55 to the top of the lower template 11, and a certain gap is formed between the mounting side plate 54 and the top of the lower template 11, so that when the pulley 55 slides out of the sliding groove 14, the mounting side plate 54 cannot be separated from the sliding groove 14, and therefore the lower end of the pulley 55 is located in the sliding groove 14 in the initial state, and the later-stage tight pressing is facilitated.

The working principle is as follows: the utility model discloses during daily use, before back mould 1 is rotatory, start the driving motor 3 at lower bolster 11 both ends, the rotation end of driving motor 3 drives camshaft 31 and cam 32 and rotates, when the farthest end of cam 32 contacts with the cylinder 44 outer wall on slider 4, stop the operation of driving motor 3, make slider 4 compress spring 42, drive mounting panel 45 and briquetting 5 to the direction motion that is close to product 2, make the bottom pressfitting of briquetting 5 at the top of product 2, fix a position the product, prevent that product 2 from following back mould 1 when rotatory, the problem that drops easily appears, thereby improve product quality, reduce the rejection rate, when briquetting 5 moves to the direction that is close to product 2, the outer wall of pulley 55 at first contacts with spout 14 inner wall, under the effect of thrust, drive lifter plate 53 upward movement, compress elastic component 52, the bottom of the pulley 55 is attached to the top of the lower template 11 to slide to the top of the product 2, because the lower end of the pulley 55 is located in the chute 14 in the initial state, when the pulley 55 is in contact with the top of the product 2, the pulley is tightly pressed above the product 2 under the action of the elastic force of the elastic piece 52 to strengthen the limiting effect on the product 2, after the rear mold 1 rotates, the driving motor 3 is restarted to separate the farthest end of the cam 32 from the roller 44, and the pressing block 5 is driven to reset by the elastic force of the spring 42 to be attached to the nearest end of the cam 32 to unlock the limitation of the product 2.

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 invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a double-colored forming die, includes back mould (1), back mould (1) includes lower bolster (11), the top of lower bolster (11) is equipped with mold core (12), it has product (2), its characterized in that to mould plastics in mold core (12): the top of the lower template (11) at two sides of the product (2) is provided with a sliding chute (14), the bottom of one end of the sliding chute (14) is communicated with a mounting cavity (13), a driving motor (3) is fixedly mounted at the bottom of the mounting cavity (13), a cam shaft (31) is fixedly connected with the rotating end of the driving motor (3), the top end of the cam shaft (31) extends into the sliding chute (14) and is rotatably connected with the bottom of a reinforcing plate (16) fixedly connected with the inner wall of the sliding chute (14), a cam (32) is fixedly sleeved on the outer wall of one end of the cam shaft (31) positioned in the sliding chute (14), a sliding block (4) is clamped at one end close to the mold core (12) in the sliding chute (14), a spring (42) is fixedly connected with the side wall of one end close to the mold core (12) of the sliding block (4), and the free end of, and the one end lateral wall that mold core (12) was kept away from in slider (4) is equipped with recess (43), cylinder (44) are installed to recess (43) internal rotation, the outer wall of cylinder (44) rotates with the outer wall of cam (32) and laminates, the fixed mounting panel (45) that are equipped with in top of slider (4), one side that mounting panel (45) are close to mold core (12) is fixed and is equipped with briquetting (5), the bottom and the lower bolster (11) top of briquetting (5) slide the laminating, and the bottom of briquetting (5) and the top movable contact of product (2).

2. The two-color molding die according to claim 1, characterized in that: the bottom of slider (4) is fixed and is equipped with T-shaped piece (41), bottom surface and T-shaped piece (41) cooperation are equipped with T-shaped groove (15) in spout (14), sliding joint has T-shaped piece (41) in T-shaped groove (15).

3. The two-color molding die according to claim 1, characterized in that: the bottom of briquetting (5) is equipped with rectangular chamber (51), top surface fixedly connected with a plurality of groups elastic component (52) in rectangular chamber (51), the free end fixed connection of elastic component (52) is at the top of lifter plate (53), the fixed a plurality of groups installation curb plate (54) that are equipped with in bottom of lifter plate (53), it installs pulley (55) to rotate on installation curb plate (54), the outer wall of pulley (55) supports with lower bolster (11) top activity and closes, and the outer wall of pulley (55) and the top movable contact of product (2).

4. A two-color molding die according to claim 3, characterized in that: the both ends lateral wall of lifter plate (53) is fixed and is equipped with stopper (56), rectangle chamber (51) inner wall is equipped with spacing groove (57) with stopper (56) cooperation, sliding joint has stopper (56) in spacing groove (57).

5. A two-color molding die according to claim 3, characterized in that: the distance from the bottom of the mounting side plate (54) to the top of the lower template (11) is one half of the distance from the bottom of the pulley (55) to the top of the lower template (11).