CN217573838U

CN217573838U - Three-color injection mold

Info

Publication number: CN217573838U
Application number: CN202220063434.6U
Authority: CN
Inventors: 高沛良; 左群波
Original assignee: Dongguan Zhenyu Mould Plastic Industrial Co ltd
Current assignee: Dongguan Zhenyu Mould Plastic Industrial Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-10-14
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to a mould production technical field especially relates to a three-colour injection mold. The technical scheme comprises the following steps: the mould is provided with a mould shell and a lower mould, the mould shell is provided with an inner cavity with an upward opening, a limiting part is arranged on the cavity wall of the inner cavity of the mould shell, a first spring is arranged at the bottom of the lower mould, the other end of the first spring is connected with the limiting part, the lower mould is embedded into the limiting part, a demoulding mechanism is arranged inside the lower mould, a transmission mechanism is arranged below the inner cavity of the mould shell, and the transmission mechanism comprises a cooling assembly and an exhaust assembly. The utility model discloses a cooperation of U-shaped piece, dwang, gear, L shape pole, rack, carriage release lever, mounting, cam, butt piece and connecting rod, the drawing of patterns of being convenient for of mould is simultaneously in the back of moulding plastics, drives the bed die vibrations, and consequently the raw materials of moulding plastics can the defoaming, has improved injection mold's processing quality.

Description

Three-color injection mold

Technical Field

The utility model relates to a mould production technical field especially relates to three-colour injection mold.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production, the development level of mould production is one of important marks of the mechanical manufacturing level, and the three-color mould is a mould capable of processing workpieces with three different colors simultaneously.

Through retrieval, a document with a Chinese patent application number of (CN 201921637356.0) discloses a three-color injection mold convenient for demolding, which comprises a bottom plate, wherein supporting plates are fixedly connected to two sides of the bottom plate, an air cylinder is fixedly installed in the middle of the top of the bottom plate, a plate body is fixedly connected to the telescopic end of the air cylinder, a motor is fixedly installed in the middle of the top of the plate body, a rotating shaft is fixedly connected to an output shaft of the motor, first belt pulleys are sleeved above and below the outer side wall of the rotating shaft, and rotating rods are rotatably connected to two sides of the top of the plate body through bearings; the utility model discloses a work piece of pivot and bull stick in to the bed die pushes up and moves to reach the not hard up purpose of messenger's mould, through the rotation of pivot and bull stick, prevent that the work piece from gluing glutinous with pivot and bull stick, reached the purpose that makes things convenient for the drawing of patterns, solved current three-colour mould when using, inconvenient carry out the drawing of patterns with the work piece after the punching press is accomplished, and the shock attenuation effect is poor, causes the part damage easily, has reduced the problem of the production efficiency of work piece like this.

Above-mentioned file is rotatory through pivot and bull stick for the mould is convenient for the drawing of patterns, and in the in-process of moulding plastics, and the raw materials of moulding plastics can produce the bubble in the mould, and these bubbles can influence the quality of mould, and do not have in the above-mentioned file to carry out the function of defoaming to the bubble, so need make the improvement to it.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the problem that exists among the background art, provide a three-colour injection mold that can defoaming.

The technical scheme of the utility model: three-colour injection mold, including mould shell and bed die, the mould shell is provided with the ascending inner chamber of opening, the chamber wall of mould shell inner chamber is provided with the locating part, the bottom of bed die all is provided with first spring, the other end of first spring with the locating part is connected, the bed die embedding in the locating part, the inside of bed die is provided with demoulding mechanism, the below of mould shell inner chamber is provided with drive mechanism, and drive mechanism is including cooling module and exhaust subassembly.

Preferably, the lower die is provided with a clamping cavity, the demolding mechanism comprises two groups of second cylinders, and the two groups of second cylinders are respectively arranged on the left end cavity wall and the right end cavity wall of the clamping cavity of the lower die.

Preferably, the upper cavity wall of the lower mold clamping cavity is uniformly provided with a limiting groove, an abutting piece is embedded into the limiting groove of the lower mold, the bottom of the abutting piece is hinged with a connecting rod, and the other end of the connecting rod is connected with the output end of the second cylinder.

Preferably, the cooling mechanism comprises a water cooling mechanism, the bottom wall of the inner cavity of the mold shell is uniformly provided with a first cylinder, the output end of the first cylinder is provided with a U-shaped part, and the water cooling mechanism is arranged at the top of the U-shaped part.

Preferably, the left end cavity wall and the right end cavity wall of the inner cavity of the mold shell are both provided with sliding grooves, the exhaust assembly comprises a fixing part, a moving rod is arranged on the fixing part in a rotating mode, one end of the moving rod penetrates through the sliding grooves of the mold shell and is provided with a second gear, and a cam is arranged at the inner end of the moving rod.

Preferably, the upper parts of the left end and the right end of the die shell are respectively provided with a clamping cavity, a second spring is arranged in the clamping cavity of the die shell, an L-shaped rod is embedded in the clamping cavity, a rack is arranged at the top of the L-shaped rod, and the rack is meshed with the second gear.

Preferably, the middle part of mould shell inner chamber evenly is provided with the dwang, the body of rod of dwang is provided with first gear, both ends about the U-shaped spare in the inner of mounting all is provided with tooth, and tooth with first gear engagement.

Compared with the prior art, the utility model discloses following profitable technological effect has:

through the cooperation of U-shaped piece, dwang, gear, L shape pole, rack, carriage release lever, mounting, cam, butt piece and connecting rod, the drawing of patterns of being convenient for of mould drives the bed die vibrations simultaneously in the back of moulding plastics, therefore the raw materials of moulding plastics can the defoaming, has improved injection mold's processing quality.

Drawings

Fig. 1 is a schematic front view of an internal structure of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;

fig. 3 is a side view of a partial structure of the mold housing of fig. 1.

Reference numerals: 1-mould shell, 101-limiting part, 2-first cylinder, 3-U-shaped part, 4-rotating rod, 5-first gear, 6-water cooling mechanism, 7-lower mould, 8-L-shaped rod, 9-rack, 10-moving rod, 11-second gear, 12-second cylinder, 13-abutting part, 14-connecting rod, 15-cam and 16-fixing part.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1-3, the utility model provides a three-color injection mold, including mould casing 1 and bed die 7, mould casing 1 is provided with the ascending inner chamber of opening, the chamber wall of mould casing 1 inner chamber is provided with locating part 101, the bottom of bed die 7 all is provided with first spring, the other end of first spring is connected with locating part 101, bed die 7 imbeds in locating part 101, the inside of bed die 7 is provided with demoulding mechanism, the below of mould casing 1 inner chamber is provided with drive mechanism, drive mechanism is including cooling module and exhaust subassembly, cooling mechanism is including water-cooling mechanism 6, the diapire of mould casing 1 inner chamber evenly is provided with first cylinder 2, the output of first cylinder 2 is provided with U-shaped piece 3, water-cooling mechanism 6 sets up in the top of U-shaped piece 3, the left and right sides chamber wall of mould casing 1 inner chamber all is provided with the spout, exhaust subassembly includes mounting 16, the rotation of mounting 16 is provided with carriage release lever 10, the one end of carriage release lever 10 runs through the spout of mould casing 1, and be provided with second gear 11, carriage release lever 10's be provided with cam 15, the upper portion all is provided with the clamp chamber of the L shape of L9 and the rack bar 8, and the top that is provided with L shape wheel meshing in the L shape spring 9, and the L shape wheel meshing of the rack bar 9.

In this embodiment, during the operation, through pouring into the raw materials into lower mould 7, and through last mould and press forming mechanism, press the shaping and extrude two sets of L shape poles 8 at 1 top of mould shell, make L shape pole 8 atress extrusion second spring, and drive rack 9 and move down, rack 9 and the transmission of 11 meshing of second gear, drive carriage release lever 10 and rotate, carriage release lever 10 drives cam 15 rotatory, cam 15 hits the bottom of lower mould 7 and hits, in order to eliminate the bubble in the raw materials of moulding plastics with this.

Example two

As shown in fig. 1-2, the utility model provides a three-color injection mold, compare in embodiment one, this embodiment still includes that bed die 7 is provided with and presss from both sides the chamber, demoulding mechanism is including second cylinder 12, second cylinder 12 is provided with two sets altogether, two sets of second cylinders 12 set up respectively in bed die 7 presss from both sides both ends chamber wall about the chamber, the upper portion chamber wall that bed die 7 pressed from both sides the chamber evenly is provided with the spacing groove, embedding butt piece 13 in the spacing groove of bed die 7, butt piece 13's bottom articulates there is connecting rod 14, the other end of connecting rod 14 is connected with the output of second cylinder 12, the middle part of 1 inner chamber of mould casing evenly is provided with dwang 4, the body of rod of dwang 4 is provided with first gear 5, both ends all are provided with tooth in the inner of mounting 16 about U-shaped piece 3, and tooth and first gear 5 meshing.

In this embodiment, after the upper mold is attached to the lower mold 7, the first cylinder 2 is controlled to drive the U-shaped part 3 to move downward, the teeth at one end of the U-shaped part 3 are in meshing transmission with the first gear 5, at this time, the U-shaped part 3 moves upward, and the fixing part 16 moves downward in the sliding groove and is far away from the lower side of the lower mold 7. And starting the water cooling mechanism 6 on the upper part of the U-shaped part 3, and cooling the lower die 7 by the water cooling mechanism 6, so that the injection molding raw material is rapidly molded. After the injection molding raw material is formed, the lower die 7 is kept away from the upper die, the second cylinders 12 are started, the two groups of second cylinders 12 are electrically connected, the output ends of the second cylinders 12 are matched with the connecting rods 14, the two groups of butt parts 13 simultaneously extend outwards, the injection molding part is jacked up, the demolding is facilitated, and the demolding efficiency is improved.

The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.

Claims

1. Three-colour injection mold, including mould casing (1) and bed die (7), its characterized in that: mould casing (1) is provided with the ascending inner chamber of opening, the chamber wall of mould casing (1) inner chamber is provided with locating part (101), the bottom of bed die (7) all is provided with first spring, the other end of first spring with locating part (101) are connected, bed die (7) embedding in locating part (101), the inside of bed die (7) is provided with demoulding mechanism, the below of mould casing (1) inner chamber is provided with drive mechanism, and drive mechanism is including cooling module and exhaust subassembly.

2. The three-color injection mold of claim 1, wherein: the lower die (7) is provided with a clamping cavity, the demolding mechanism comprises two groups of second cylinders (12), and the two groups of second cylinders (12) are respectively arranged on the left end cavity wall and the right end cavity wall of the clamping cavity of the lower die (7).

3. The three-color injection mold of claim 2, wherein: the upper cavity wall of the clamping cavity of the lower die (7) is uniformly provided with a limiting groove, an abutting part (13) is embedded into the limiting groove of the lower die (7), the bottom of the abutting part (13) is hinged with a connecting rod (14), and the other end of the connecting rod (14) is connected with the output end of the second air cylinder (12).

4. The three-color injection mold of claim 1, wherein: cooling body is including water-cooling mechanism (6), the diapire of mould casing (1) inner chamber evenly is provided with first cylinder (2), the output of first cylinder (2) is provided with U-shaped spare (3), water-cooling mechanism (6) set up in the top of U-shaped spare (3).

5. The three-color injection mold of claim 4, wherein: the mould shell (1) is characterized in that chutes are formed in the left end cavity wall and the right end cavity wall of the inner cavity of the mould shell (1), the exhaust assembly comprises a fixing piece (16), a moving rod (10) is arranged on the fixing piece (16) in a rotating mode, one end of the moving rod (10) penetrates through the chutes of the mould shell (1) and is provided with a second gear (11), and a cam (15) is arranged at the inner end of the moving rod (10).

6. The three-color injection mold of claim 5, wherein: the die is characterized in that clamping cavities are formed in the upper portions of the left end and the right end of the die shell (1), a second spring is arranged in each clamping cavity of the die shell (1), an L-shaped rod (8) is embedded in each clamping cavity, a rack (9) is arranged at the top of each L-shaped rod (8), and the racks (9) are meshed with the second gears (11).

7. The three-color injection mold of claim 5, wherein: the middle part of mould casing (1) inner chamber evenly is provided with dwang (4), the body of rod of dwang (4) is provided with first gear (5), both ends about U-shaped spare (3) in the inner of mounting (16) all is provided with tooth, and tooth with first gear (5) meshing.