CN217098603U

CN217098603U - Double-colored scissors device of moulding plastics

Info

Publication number: CN217098603U
Application number: CN202220970673.XU
Authority: CN
Inventors: 林家州; 程刚
Original assignee: Zhishen Technology Chongqing Co ltd
Current assignee: Zhishen Technology Chongqing Co ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-08-02
Anticipated expiration: 2032-04-25

Abstract

The utility model discloses a double-color scissors injection molding device, which comprises a base, a first injection molding mechanism and a second injection molding mechanism which are arranged on the base side by side, wherein the first injection molding mechanism comprises a mounting plate, a front fixed template and a rear fixed template which are fixed on the base side by side and are connected through a plurality of pull rods, an injection molding assembly is fixed on the mounting plate, a movable template is arranged on the pull rod between the front fixed template and the rear fixed template in a sliding way, a material pushing cylinder is fixed on one side of the rear fixed template far away from the movable template, a piston rod of the material pushing cylinder is connected with a push plate positioned on the other side of the rear fixed template, the upper side and the lower side of the push plate are respectively hinged with a connecting plate, the free ends of the two connecting plates are respectively hinged with one end of a toggle, the middle part of the toggle is hinged with a pre-feeding plate through a regulator, the pre-feeding plate is sleeved on the pull rod in a sliding way, a pre-feeding rod is arranged at the center of the pre-feeding plate, the other end of the elbow is hinged with the pull rod. The waste problem in the traditional technology is avoided, and the production cost of enterprises is reduced.

Description

Double-colored scissors device of moulding plastics

Technical Field

The utility model relates to computer accessory production technical field, concretely relates to double-colored scissors device of moulding plastics.

Background

At present, the common technology in the industry is to design the inner/outer scissors in the same set of mould and adopt a single-color injection moulding machine for processing and manufacturing. Because a single color injection molding machine has only one set of independent injection molding devices, only a single color can be molded simultaneously. This limits the manufacturing process of KBM two-color scissors to be assembled by the following three-step operation: the first procedure, the inner scissors are abandoned after the black plastic material is molded, and only the black outer scissors are reserved; a second procedure, namely, abandoning external scissors after the white plastic material is molded, and only keeping the white internal scissors; and a third procedure, assembling and checking the black outer scissors and the white inner scissors by manual work.

In the first and second processes, not only is the cost of manufacturing equipment increased and the material wasted in multiples, but also manual assembly is needed in the third process, so that the manufacturability integral technical requirements of automatic assembly and detection of KBM scissors products cannot be met, and serious quality hidden dangers exist.

Disclosure of Invention

The utility model aims at providing a double-colored scissors device of moulding plastics uses double-colored mould and double-colored injection moulding technique, optimizes the extravagant problem with the unable automatic equipment of material of double-colored scissors, integrates and has adopted double-colored injection moulding technique to improve and optimize double-colored scissors manufacturing technique, can solve the waste of original machine, the material of making and the equipment scheme in-process.

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

the utility model provides a double-colored scissors device of moulding plastics which the key lies in: including the base and set up the first injection moulding mechanism that is used for the shaping to cut outward on the base, be used for the shaping second injection moulding mechanism of cutting in, first injection moulding mechanism sets up side by side with second injection moulding mechanism and structure unanimous, just in the first injection moulding mechanism the die cavity number of injection mould is cut in the outer injection mould of cutting with second injection moulding mechanism is unanimous, wherein:

the first injection molding mechanism comprises a mounting plate, a front fixed template and a rear fixed template which are fixed on the base side by side and connected through a plurality of pull rods, an injection molding assembly is fixed on the mounting plate, a discharge port of the injection molding assembly is positioned in the center of the front fixed template, a movable template is arranged on the pull rod between the front fixed template and the rear fixed template in a sliding manner, an external shearing injection mold is arranged between the front fixed template and the movable template, a material pushing cylinder is fixed on one side of the rear fixed template far away from the movable template, a piston rod of the material pushing cylinder is connected with a push plate positioned on the other side of the rear fixed template, the upper side and the lower side of the push plate are respectively hinged with a connecting plate, the free ends of the two connecting plates are respectively hinged with one end of a toggle, the middle part of the toggle is hinged with a material plate through a regulator, the material plate is sleeved on the pull rods in a sliding manner, a material pre-feeding rod is arranged in the center of the material plate, the expected rod is connected with the movable mould plate and penetrates through the movable mould plate to correspond to a discharge hole of the injection molding assembly, and the other end of the elbow is hinged with the pull rod.

Furthermore, the injection molding assembly comprises a feeding cylinder and a plunger cylinder, the feeding cylinder is fixedly connected with the mounting plate, a piston rod of the feeding cylinder extends into the plunger cylinder and is connected with a plunger rod of the feeding cylinder, the piston rod of the feeding cylinder is further connected with a push rod penetrating through a feeding channel at the top of the plunger cylinder through a transmission arm, a feeding hopper communicated with the feeding channel is arranged at the top of the plunger cylinder, a charging barrel communicated with the feeding channel is connected onto the plunger cylinder, and a nozzle is arranged on the charging barrel and fixed at the center of the front fixed template.

Furthermore, a heating device is covered on the outer wall of the charging barrel.

Furthermore, a shunt shuttle is arranged in the charging barrel and is close to the nozzle.

The utility model discloses a show the effect and be:

1. the double-injection molding machine is simple in structure and convenient to operate, and the inner shears and the outer shears with different colors are respectively molded by corresponding molds through the matching of the two injection molding mechanisms in a parallel machine linkage state, so that the waste problem in the traditional technology is effectively avoided, and the production cost of enterprises is effectively reduced;

2. the number of cavities of the inner shears and the outer shears in the die is consistent, so that automatic assembly can be realized subsequently due to the one-to-one correspondence between the inner shears and the outer shears, and further the production efficiency is greatly improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is a schematic view of the injection molding assembly;

FIG. 4 is a schematic structural view of an external shear injection mold;

fig. 5 is a schematic structural view of an internal shear injection mold.

Detailed Description

The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.

As shown in fig. 1, a double-colored scissors injection molding device includes a base 10, and a first injection molding mechanism 20 and a second injection molding mechanism 30 which are arranged on the base 10 and used for forming external scissors, and forming internal scissors, wherein the first injection molding mechanism 20 and the second injection molding mechanism 30 are arranged side by side and have the same structure, and the number of cavities of the internal scissors injection mold of the external scissors injection mold and the second injection molding mechanism 30 in the first injection molding mechanism 20 is the same.

As shown in fig. 2, the first injection molding mechanism includes a mounting plate 22, a front fixed mold plate 23, and a rear fixed mold plate 24 fixed side by side on the base 10 and connected by a plurality of tie bars 21, an injection molding assembly 25 is fixed on the mounting plate 22, a discharge port of the injection molding assembly 25 is located at the center of the front fixed mold plate 23, a sliding mold plate 26 is slidably arranged on the tie bar 21 between the front fixed mold plate 23 and the rear fixed mold plate 24, an external shearing injection mold S is arranged between the front fixed mold plate 23 and the sliding mold plate 26, a material pushing cylinder 27 is fixed on one side of the rear fixed mold plate 24 away from the sliding mold plate 26, a piston rod of the material pushing cylinder 27 is connected with a push plate 28 located at the other side of the rear fixed mold plate 24, two connecting plates 29 are hinged to the upper and lower sides of the push plate 28, free ends of the two connecting plates 29 are respectively hinged to one end of a toggle 210, a predicted middle portion of the toggle 210 is hinged to a disc 212 through a regulator 211, the pre-feeding disc 212 is sleeved on the pull rod 21 in a sliding mode, a pre-feeding rod 213 is arranged at the center of the pre-feeding disc 212, the pre-feeding rod 213 is connected with the movable mould plate 26 and penetrates through the movable mould plate 26 to correspond to a discharge hole of the injection molding assembly 25, and the other end of the toggle 210 is hinged to the pull rod 21.

Referring to fig. 3, the injection molding assembly 25 includes a material feeding cylinder 251 and a plunger cylinder 252, the material feeding cylinder 251 is fixedly connected to the mounting plate 22, a piston rod of the material feeding cylinder 251 extends into the plunger cylinder 252 and is connected to a piston rod thereof, the piston rod of the material feeding cylinder 251 is further connected to a push rod 255 penetrating through a feeding channel 254 at the top of the plunger cylinder 252 through a transmission arm 253, a feeding hopper 256 communicated with the feeding channel 254 is disposed at the top of the plunger cylinder 252, a material barrel 257 communicated with the feeding channel 254 is connected to the plunger cylinder 252, a nozzle 258 is disposed on the material barrel 257, the nozzle 258 is fixed at the center of the front mold plate 23, a heating device 259 is covered on the outer wall of the material barrel 257, a shunt shuttle 2510 is disposed in the material barrel 259, and the shunt shuttle 2510 is disposed near the nozzle 258.

Referring to fig. 4, the external shear injection mold is shown with 32 cavities of 4x8, all of which are used only to form the external shear; referring to fig. 5, the inner shear injection mold is shown to be compatible with the outer shear injection mold, as is a 32 cavity 4x8 cavity, and all cavities are used to form only the inner shear. During injection molding, the first injection molding mechanism 20 and the second injection molding mechanism 30 are linked to simultaneously perform mold closing, feeding, discharging, injection molding, demolding and other actions, so as to respectively obtain the external shears and the internal shears with different colors.

The first injection molding mechanism 20 and the second injection molding mechanism 30 in the embodiment in parallel linkage state are matched with corresponding internal and external shearing injection molding dies to respectively perform injection molding on the external shear and the internal shear with different colors, so that various waste problems existing in the traditional technology are effectively avoided, the production cost of enterprises is effectively reduced, and meanwhile, because the number of cavities of the internal shear and the external shear in the dies is consistent, automatic assembly can be realized in subsequent processes, and the production efficiency is greatly improved.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a double-colored scissors device of moulding plastics which characterized in that: including the base and set up the first injection moulding mechanism that is used for the shaping to cut outward on the base, be used for the shaping second injection moulding mechanism of cutting in, first injection moulding mechanism sets up side by side with second injection moulding mechanism and structure unanimous, just in the first injection moulding mechanism the die cavity number of injection mould is cut in the outer injection mould of cutting with second injection moulding mechanism is unanimous, wherein:

2. The double-colored scissors injection molding device of claim 1, wherein: the injection molding assembly comprises a feeding cylinder and a plunger cylinder, the feeding cylinder is fixedly connected with the mounting plate, a piston rod of the feeding cylinder extends into the plunger cylinder and is connected with a plunger rod of the feeding cylinder, the piston rod of the feeding cylinder is further connected with a push rod penetrating through a feeding channel at the top of the plunger cylinder through a transmission arm, a feeding hopper communicated with the feeding channel is arranged at the top of the plunger cylinder, a charging barrel communicated with the feeding channel is connected onto the plunger cylinder, and a nozzle is arranged on the charging barrel and fixed at the center of the front fixed template.

3. The double-colored scissors injection molding device of claim 2, wherein: and a heating device is covered on the outer wall of the charging barrel.

4. The double-colored scissors injection molding device of claim 3, wherein: a shunt shuttle is arranged in the charging barrel and is close to the nozzle.