CN212147424U - Automatic demolding injection molding device with product deformation preventing function - Google Patents

Abstract

The utility model discloses an automatic drawing of patterns injection molding device with prevent product deformation function, including placing seat, injection mold body, first stirring fan and second stirring fan, the inboard of placing the seat is provided with the injection mold body, the end triggers the board avris and is fixed with reset spring, and reset spring fixes and places the seat inboard, end triggers board and driven gear interconnect, and driven gear fixes on the horizontal axis to the horizontal axis is installed on placing an inner wall, is fixed with second stirring fan on the horizontal axis simultaneously, place a top and seted up the exhaust hole. This automatic drawing of patterns device of moulding plastics with prevent product deformation function, with neotype structural design for this device can carry out enclosed cooling to injection mold, and the cooling water can fully flow in the structure, the different condition of different position temperature can not appear, guarantees that each position of product can cool down in step, and the product warp when avoiding taking out.

Description

Automatic demolding injection molding device with product deformation preventing function

Technical Field

The utility model relates to a technical field of moulding plastics specifically is an automatic drawing of patterns device of moulding plastics with prevent product deformation function.

Background

The injection mold is a structure which must be used when the injection molding technology is used for producing plastic products, molten liquid plastic is injected into the injection mold with a mold cavity through an injection machine during injection molding, and after the plastic is cooled, the injection mold is opened to obtain molded plastic products.

With the continuous production of injection molds, the following problems were found in the practical operation:

the existing injection mold generally adopts a natural cooling method, the injection mold is opened again after plastics are naturally cooled to take out a product, but the natural cooling speed is slow, cooling water in a surrounding pipe is used for cooling, but the cooling water has the condition of insufficient flow, so that the cooling speeds of different positions are different, the product cannot be uniformly cooled, when the mold is opened to take out the product, partial positions are not completely cooled, and the product is taken out at the moment and is easy to deform.

Therefore, it is necessary to design an automatic injection molding apparatus having a product deformation prevention function in view of the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic drawing of patterns device of moulding plastics with prevent product deformation function to it is slower to propose natural cooling's speed in solving above-mentioned background art, uses the surrounding pipe cooling water to carry out the unable even cooling of refrigerated product, easily causes the problem that the product warp when taking out.

In order to achieve the above object, the utility model provides a following technical scheme: an automatic demolding injection molding device with a product deformation preventing function comprises a placing seat, an injection mold body, a first stirring fan and a second stirring fan, wherein the injection mold body is arranged on the inner side of the placing seat, an injection opening is formed in the upper portion of the side of the placing seat, a discharge opening is formed in the lower portion of the side of the placing seat, a driving motor is fixed to the top of the placing seat, an output shaft is fixed to the bottom end of the driving motor and penetrates through the top of the placing seat, the bottom end of the output shaft is installed on the inner side of the placing seat, the first stirring fan and a cam are fixed to the output shaft, the outer side of the cam is attached to the side of a bottom trigger plate, the bottom of the bottom trigger plate is attached to a track groove, the track groove is formed in the bottom surface of the inner side of the placing seat, a reset spring is fixed to the side of the bottom trigger plate and fixed to the inner side of, and driven gear fixes on the horizontal axis to the horizontal axis is installed on placing the seat inner wall, is fixed with the second stirring fan on the horizontal axis simultaneously, place the seat top and seted up the exhaust hole.

Preferably, the output shaft and the placing seat form a rotating mechanism through bearings mounted at the top and the bottom of the output shaft, the placing seat is hollow, and the placing seat is made of aluminum alloy.

Preferably, the output shaft, the first stirring fan and the cam are all in welded connection, the first stirring fan is distributed on the output shaft at equal intervals, and the cam is made of high-speed steel.

Preferably, the bottom trigger plate is in an I shape in side view cross section, and the bottom trigger plate is in sliding connection with the track groove.

Preferably, the bottom trigger plate is in meshed connection with the driven gear, the driven gear is in welded connection with the horizontal shaft, and the horizontal shaft forms a rotating mechanism with the placing seat through bearings arranged at two ends.

Preferably, the second stirring fans are symmetrically and densely distributed on the horizontal shaft, and the horizontal shafts are distributed in the placing seat at equal intervals.

Compared with the prior art, the beneficial effects of the utility model are that: the automatic demolding injection molding device with the product deformation preventing function adopts a novel structural design, so that the device can perform surrounding type cooling on an injection mold, cooling water can fully flow in the structure, the condition of different temperatures at different positions is avoided, synchronous cooling of all parts of a product is ensured, and the product deformation is avoided when the product is taken out;

1. the structure consisting of the driving motor, the output shaft, the first stirring fan, the cam and the bottom trigger plate can not only accelerate the water flowing speed at the position where the cooling water is added, but also drive the mixing structure below;

2. the structure that driven gear, horizontal axis and second stirring fan are constituteed can carry out intensive mixing to the cooling water of placing in the seat under the drive of drive structure, guarantees that each position cooling water's temperature is the same.

Drawings

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

FIG. 2 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is a schematic side sectional view of the bottom trigger plate and the track groove of the present invention.

In the figure: 1. a placing seat; 2. an injection mold body; 3. an injection port; 4. an outlet port; 5. a drive motor; 6. an output shaft; 7. a first stirring fan; 8. a cam; 9. a bottom trigger plate; 10. a track groove; 11. a return spring; 12. a driven gear; 13. a horizontal axis; 14. a second stirring fan; 15. and (4) exhausting holes.

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. 1-4, the present invention provides a technical solution: an automatic demoulding injection molding device with product deformation prevention function comprises a placing seat 1, an injection molding mold body 2, an injection port 3, a discharge port 4, a driving motor 5, an output shaft 6, a first stirring fan 7, a cam 8, a bottom trigger plate 9, a track groove 10, a reset spring 11, a driven gear 12, a horizontal shaft 13, a second stirring fan 14 and an exhaust hole 15, wherein the injection molding mold body 2 is arranged on the inner side of the placing seat 1, the injection port 3 is arranged on the upper portion of the side of the placing seat 1, the discharge port 4 is arranged on the lower portion of the side of the placing seat 1, the driving motor 5 is fixed on the top of the placing seat 1, the output shaft 6 is fixed at the bottom end of the driving motor 5, the output shaft 6 penetrates through the top of the placing seat 1, the bottom end of the output shaft 6 is arranged on the inner side of the placing seat 1, the first stirring fan 7 and the cam 8 are fixed on the output, and the laminating of bottom trigger plate 9 bottom and orbit groove 10, orbit groove 10 is seted up on placing 1 inboard bottom surface of seat simultaneously, bottom trigger plate 9 avris is fixed with reset spring 11, and reset spring 11 fixes and places 1 inboardly, bottom trigger plate 9 and driven gear 12 interconnect, and driven gear 12 fixes on horizontal axis 13, and horizontal axis 13 installs on placing 1 inner wall of seat, be fixed with second stirring fan 14 on horizontal axis 13 simultaneously, place 1 top of seat and seted up exhaust hole 15.

In this example, the output shaft 6 and the placing seat 1 form a rotating mechanism through bearings arranged at the top and the bottom of the output shaft, the placing seat 1 is hollow, the placing seat 1 is made of aluminum alloy, the placing seat 1 can contain enough cooling water due to the structural design, and the design of the output shaft 6 ensures that the first stirring fan 7 and the cam 8 can normally rotate;

the output shaft 6, the first stirring fan 7 and the cam 8 are welded, the first stirring fan 7 is distributed on the output shaft 6 at equal intervals, the cam 8 is made of high-speed steel, the first stirring fan 7 can enable water added into the placing seat 1 to flow rapidly and be mixed with water at other positions through the structural design, and the cam 8 made of the high-speed steel is wear-resistant, not prone to deformation and capable of being used stably for a long time;

the bottom trigger plate 9 is in an I-shaped side view cross section, the bottom trigger plate 9 is in sliding connection with the track groove 10, and the bottom trigger plate 9 can perform stable sliding displacement along the track groove 10 when being rotationally pushed by the cam 8 due to the structural design;

the bottom trigger plate 9 is meshed with the driven gear 12, the driven gear 12 is welded with the horizontal shaft 13, the horizontal shaft 13 and the placing seat 1 form a rotating mechanism through bearings arranged at two ends, and the bottom trigger plate 9 can drive the driven gear 12 and the horizontal shaft 13 to rotate by utilizing the meshed connection relation when moving due to the structural design;

the second stirring fans 14 are symmetrically and densely distributed on the horizontal shaft 13, the horizontal shafts 13 are distributed in the placing seat 1 at equal intervals, and the cooling water in the placing seat 1 can be fully mixed and stirred when the second stirring fans 14 rotate along with the horizontal shafts 13 due to the structural design.

The working principle is as follows: firstly, the injection mold body 2 is normally used for injection molding operation, the structure of the injection mold body 2 is the same as that of the existing injection mold with an automatic demolding function, the existing mature technology is known by persons skilled in the art, and detailed description is not provided herein;

after the injection molding is finished, when the device is required to be used for cooling, firstly, the outlet 4 in the figure 2 is blocked, cooling water is injected into the hollow structure of the placing seat 1 through the injection port 3 until the volume of the hollow part of the placing seat 1 is 90 percent, the outlet 4 is opened, the cooling water is continuously added through the injection port 3, the heat transferred to the placing seat 1 from the injection mold body 2 is taken away by the flowing cooling water, and a product in the injection mold body 2 is cooled;

then, the driving motor 5 in fig. 2 is powered by an external power supply circuit, the driving motor 5 drives the first stirring fan 7 and the cam 8 to rotate through the output shaft 6, the first stirring fan 7 continuously rotates to stir cooling water with lower temperature added near the injection port 3 to flow, and the cooling water with lower temperature rapidly flows to other parts;

when the cam 8 in fig. 3 rotates, the convex part of the cam 8 contacts with the bottom trigger plate 9 firstly, the bottom trigger plate 9 is pushed leftwards and compresses the return spring 11, then the convex part of the cam 8 is separated from the bottom trigger plate 9, the bottom trigger plate 9 slides rightwards and returns under the action of the return spring 11, the cam 8 rotates continuously, the bottom trigger plate 9 does continuous left-right reciprocating motion, the bottom trigger plate 9 does left-right reciprocating motion, the driven gear 12 drives the horizontal shaft 13 and the second stirring fan 14 to continuously rotate in a positive-negative alternating manner at the same time of left-right reciprocating motion, and the second stirring fan 14 fully stirs and mixes cooling water in the placing seat 1 when rotating, so that the same temperature of the cooling water at different parts is ensured, and the situation that the cooling speed of products in the injection mold body 2 is different due to different cooling water temperatures at different parts is avoided;

after the device runs for a period of time, the product in the injection mold body 2 is fully cooled, the power supply for the driving motor 5 can be stopped, new cooling water is injected through the injection opening 3, the injection mold body 2 is opened, and the product can be taken out.

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 (6)

1. The utility model provides an automatic drawing of patterns injection molding device with prevent product deformation function, is including placing seat (1), injection mold body (2), first stirring fan (7) and second stirring fan (14), its characterized in that: the inner side of the placing seat (1) is provided with an injection mold body (2), the upper part of the side of the placing seat (1) is provided with an injection opening (3), the lower part of the side of the placing seat (1) is provided with a discharge opening (4), the top of the placing seat (1) is fixed with a driving motor (5), the bottom end of the driving motor (5) is fixed with an output shaft (6), the output shaft (6) penetrates through the top of the placing seat (1), the bottom end of the output shaft (6) is arranged on the inner side of the placing seat (1), the output shaft (6) is fixed with a first stirring fan (7) and a cam (8), the outer side of the cam (8) is attached to the side of the bottom triggering plate (9), the bottom of the bottom triggering plate (9) is attached to the track groove (10), the track groove (10) is arranged on the bottom surface of the inner side of the placing seat (1), the side of the bottom triggering plate, and reset spring (11) are fixed and are being placed seat (1) inboard, end trigger plate (9) and driven gear (12) interconnect, and driven gear (12) are fixed on horizontal axis (13) to horizontal axis (13) are installed and are being placed seat (1) inner wall, are fixed with second stirring fan (14) on horizontal axis (13) simultaneously, it has offered exhaust hole (15) to place seat (1) top.

2. The automatic demolding injection molding device with the product deformation preventing function as claimed in claim 1, wherein: the output shaft (6) and the placing seat (1) form a rotating mechanism through bearings arranged at the top and the bottom of the output shaft, the interior of the placing seat (1) is hollow, and the placing seat (1) is made of aluminum alloy.

3. The automatic demolding injection molding device with the product deformation preventing function as claimed in claim 1, wherein: the output shaft (6) is welded with the first stirring fan (7) and the cam (8), the first stirring fan (7) is distributed on the output shaft (6) at equal intervals, and the cam (8) is made of high-speed steel.

4. The automatic demolding injection molding device with the product deformation preventing function as claimed in claim 1, wherein: the side-view cross section of the bottom trigger plate (9) is in an I shape, and the bottom trigger plate (9) is in sliding connection with the track groove (10).

5. The automatic demolding injection molding device with the product deformation preventing function as claimed in claim 1, wherein: the bottom trigger plate (9) is meshed with the driven gear (12), the driven gear (12) is in welded connection with the horizontal shaft (13), and the horizontal shaft (13) forms a rotating mechanism with the placing seat (1) through bearings arranged at two ends.

6. The automatic demolding injection molding device with the product deformation preventing function as claimed in claim 1, wherein: the second stirring fans (14) are symmetrically and densely distributed on the horizontal shaft (13), and the horizontal shafts (13) are distributed in the placing seat (1) at equal intervals.

Images