CN210969741U

CN210969741U - Plastic mould with insert pin water-cooling structure

Info

Publication number: CN210969741U
Application number: CN201921802944.5U
Authority: CN
Inventors: 毕海涛; 顾善贵
Original assignee: Suzhou Jiayide Plastic Technology Co ltd
Current assignee: Suzhou Jiayide Plastic Technology Co ltd
Priority date: 2019-10-25
Filing date: 2019-10-25
Publication date: 2020-07-10
Anticipated expiration: 2029-10-25

Abstract

The utility model discloses a plastic mould with inlay needle water-cooling structure, including die holder, lower mould, mold core, guide pillar, upper die base, limiting plate, go up mould, solid fixed cylinder, the pipe of moulding plastics, inner chamber, chamber stopper, trachea, baffle one, blow vent, piston, rubber seal, transmission post, roof, inlay the needle, inlay needle casing, baffle two, spacing ring, branch pipe, three-way pipe, house steward, protective sheath, liquid pump, water tank and water injection pipe. The top plate is arranged in the mold core, so that a finished product can be ejected out of the mold core when demolding is performed, and the defect that the finished product is possibly damaged due to the fact that the contact area of the traditional ejector pin is too small is overcome; the water is pumped into the ejector pin through the liquid pump, circulating water is achieved, materials around the insert pin can be cooled in the injection molding process, and therefore machining speed is improved.

Description

Plastic mould with insert pin water-cooling structure

Technical Field

The utility model relates to a plastic mould specifically is a plastic mould with inlay needle water-cooling structure, belongs to plastic mould technical field.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes, and the injection mold is also one of plastic molds.

The traditional injection mold adopts a thimble mode to demold, but because the plastic finished product is soft in texture, the thimble can damage the finished product to a certain extent when demolded; and, usually there is the insert needle to carry out the trompil on injection mold, but because traditional insert needle cooling effect is not good, the raw and other materials cooling around the insert needle is slower, has reduced production efficiency. Therefore, a plastic mold with a pin water cooling structure is provided to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a plastic mold with a pin-inserting water-cooling structure for solving the above problems.

The utility model realizes the purpose through the following technical proposal, a plastic mould with a pin-inserting water-cooling structure, which comprises an injection molding mechanism and a water-cooling mechanism;

the injection molding mechanism comprises a lower die base, a lower die, a die core, guide pillars and an upper die base, wherein the top of the lower die base is fixedly connected with the lower die, the die core is embedded in the lower die, four corners of the top of the lower die are symmetrically and fixedly connected with four same guide pillars, the four guide pillars are respectively movably sleeved on the four corners of the upper die base, the bottom of the upper die base is fixedly connected with an upper die, the top of the upper die base is fixedly connected with a fixed cylinder, one side of the lower die is embedded with an injection molding pipe, one end of the injection molding pipe is communicated with the inside of the die core, the other end of the injection molding pipe is arranged outside the lower die, an inner cavity is arranged in the lower die, a cavity plug is sleeved at the port of the inner cavity, an air pipe is communicated with the inside of the cavity plug, a first partition plate is sleeved on the inner, the top end of the transmission column is fixedly connected with a top plate, and the top plate is lapped on the inner wall of the bottom of the mold core;

the water cooling mechanism comprises insert needles, limiting rings, branch pipes, a three-way pipe and a main pipe, wherein two identical insert needles are symmetrically sleeved at the bottom of the mold core, the inner parts of the insert needles are symmetrically communicated and installed with the two branch pipes, the four branch pipes positioned at the bottoms of the two insert needles are in one-to-one correspondence, the two corresponding branch pipes positioned at the bottoms of the two insert needles are respectively communicated and installed with two ports of the three-way pipe, the third port of the two three-way pipe is communicated and installed with the main pipe, the main pipe is sleeved in the protective sleeve, the tail end of the protective sleeve and the tail end of the main pipe are arranged outside the lower mold, the tail end of the main pipe penetrates through the top of the water tank and is arranged inside the water tank, and one of the main pipe.

Preferably, limiting plates are fixedly connected to the top ends of the four guide pillars.

Preferably, a plurality of same air vents are fixedly connected to the surface of the first partition plate at equal intervals.

Preferably, the surface of the outer wall of the piston is sleeved with a plurality of identical rubber sealing rings, and a sealing structure is formed between the outer wall of the piston and the inner wall of the inner cavity through the plurality of rubber sealing rings.

Preferably, a water injection pipe is communicated and installed on one side of the top of the water tank.

Preferably, the insert pin comprises an insert pin shell and a second partition plate, the insert pin shell is of a hollow structure, the second partition plate is sleeved on the side wall of the insert pin shell, and the two branch pipes are located on two sides of the second partition plate respectively.

The utility model has the advantages that:

1. the top plate is arranged in the mold core, so that a finished product can be ejected out of the mold core when demolding is carried out, and the contact area between the top plate and the finished product is large, which is different from the defect that the finished product is possibly damaged due to the over-small contact area of the traditional thimble;

2. through inside the liquid pump with the water pump income thimble to realize the circulating water, can cool off the peripheral material of inlaying the needle at the in-process of moulding plastics, thereby promote the process velocity, the device simple structure, convenient to use is fit for using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the internal structure of the insert pin of the present invention.

In the figure: 1. the injection molding device comprises a lower die base, 2, a lower die, 3, a die core, 4, a guide pillar, 5, an upper die base, 6, a limiting plate, 7, an upper die, 8, a fixing cylinder, 9, an injection molding pipe, 10, an inner cavity, 11, a cavity plug, 12, an air pipe, 13, a first partition plate, 14, an air vent, 15, a piston, 16, a rubber sealing ring, 17, a transmission column, 18, a top plate, 19, an insert needle, 1901, an insert needle shell, 1902, a second partition plate, 20, a limiting ring, 21, a branch pipe, 22, a three-way pipe, 23, a main pipe, 24, a protective sleeve, 25, a liquid pump, 26, a water tank, 27 and.

Detailed Description

In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Referring to fig. 1-3, a plastic mold with a pin-inserting water-cooling structure includes an injection mechanism and a water-cooling mechanism;

the injection molding mechanism comprises a lower die holder 1, a lower die 2, a die core 3, guide pillars 4 and an upper die holder 5, wherein the lower die 2 is fixedly connected to the top of the lower die holder 1, the die core 3 is embedded in the lower die 2, four same guide pillars 4 are symmetrically and fixedly connected to four corners of the top of the lower die 2, the four guide pillars 4 are respectively movably sleeved on four corners of the upper die holder 5, an upper die 7 is fixedly connected to the bottom of the upper die holder 5, a fixed cylinder 8 is fixedly connected to the top of the upper die holder 5, an injection molding pipe 9 is embedded in one side of the lower die 2, one end of the injection molding pipe 9 is communicated with the interior of the die core 3, the other end of the injection molding pipe 9 is arranged outside the lower die 2 so as to facilitate injection molding and manufacturing of a finished product, an inner cavity 10 is arranged in the lower die 2, a cavity plug 11 is sleeved on, the pneumatic control system is convenient to connect, a first partition plate 13 is sleeved on the inner wall of the inner cavity 10, a piston 15 is sleeved on the inner wall of the inner cavity 10, a transmission column 17 is fixedly connected to the top of the piston 15, a top plate 18 is fixedly connected to the top end of the transmission column 17, and the top plate 18 is lapped on the inner wall of the bottom of the mold core 3, so that a finished product is convenient to demould;

the water cooling mechanism comprises insert pins 19, a limiting ring 20, branch pipes 21, a three-way pipe 22 and a main pipe 23, two identical insert pins 19 are symmetrically sleeved at the bottom of the mold core 3, the two insert pins 19 are symmetrically communicated and installed with the two branch pipes 21, the four branch pipes 21 at the bottoms of the two insert pins 19 correspond to one another, the two corresponding branch pipes 21 at the bottoms of the two insert pins 19 are respectively communicated and installed with two ports of the three-way pipe 22, the third ports of the two three-way pipes 22 are both communicated and installed with the main pipe 23 for guiding water flow, the two main pipes 23 are both sleeved and installed in a protective sleeve 24, the protective sleeve 24 and the tail ends of the two main pipes 23 are arranged outside the lower mold 2, the tail ends of the two main pipes 23 penetrate through the top of the water tank 26 and are arranged inside the water tank 26, one of the main pipes 23 is communicated and installed at the water outlet end, so as to drive the water circulation.

Limiting plates 6 are fixedly connected to the top ends of the four guide pillars 4, so that limiting is facilitated; a plurality of same air vents 14 are fixedly connected to the surface of the first partition plate 13 at equal intervals, so that air ventilation is facilitated; the outer wall surface of the piston 15 is sleeved with a plurality of identical rubber sealing rings 16, and a sealing structure is formed between the outer wall of the piston 15 and the inner wall of the inner cavity 10 through the plurality of rubber sealing rings 16, so that sealing is facilitated; a water injection pipe 27 is communicated and installed on one side of the top of the water tank 26, so that water can be injected conveniently; inlay needle 19 including inlaying needle casing 1901 and two 1902 of baffle, it is hollow structure to inlay needle casing 1901 inside, inlay the lateral wall of needle casing 1901 and cup jointed two 1902 of baffle, two divide pipe 21 to be located the both sides of two 1902 of baffle respectively, the hydrologic cycle of being convenient for.

When the utility model is used, the electric elements in the application are externally connected with a power supply and a control switch when in use, the air pipe 12 is externally connected with an air pump or other gas control devices, the injection molding machine is connected with the injection molding pipe 9, the device is installed on the injection molding machine bed and injects water into the water tank 26, then the device is used, in the injection molding process, if the embedding needle 19 is needed to be cooled, the liquid pump 25 is opened, the liquid pump 25 injects the water in the water tank 26 into the two embedding needles 19, meanwhile, the water with higher internal temperature in the two embedding needles 19 flows back to the water tank 26, thereby realizing water circulation, as the volume of the water tank 26 is larger than the volume of the embedding needle 19, the flowing water in the embedding needle 19 can be ensured to be a water source with lower temperature, in the demolding process, the external air pump or other pneumatic control systems inject gas into the inner cavity 10, the air pressure in the inner cavity 10, the piston 15 moves upwards to push the top plate 18 to move upwards, and finally the finished product is jacked up by the top plate, and the finished product is effectively protected from being damaged due to the fact that the contact area of the top plate and the finished product is large.

It is well within the skill of those in the art to implement, without undue experimentation, the present invention does not relate to software and process improvements, as related to circuits and electronic components and modules.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a plastic mould with inlay needle water-cooling structure which characterized in that: comprises an injection molding mechanism and a water cooling mechanism;

the injection molding mechanism comprises a lower die holder (1), a lower die (2), a die core (3), guide pillars (4) and an upper die holder (5), wherein the lower die (2) is fixedly connected to the top of the lower die holder (1), the die core (3) is embedded in the lower die (2), four same guide pillars (4) are symmetrically and fixedly connected to four corners of the top of the lower die (2), the four guide pillars (4) are respectively movably sleeved on four corners of the upper die holder (5), an upper die (7) is fixedly connected to the bottom of the upper die holder (5), a fixing cylinder (8) is fixedly connected to the top of the upper die holder (5), an injection molding pipe (9) is embedded in one side of the lower die (2), one end of the injection molding pipe (9) is communicated with the interior of the die core (3), the other end of the injection molding pipe (9) is arranged outside the lower die (2), an inner cavity (10) is formed in the, a cavity plug (11) is sleeved at a port of the inner cavity (10), an air pipe (12) is installed inside the cavity plug (11) in a communicated mode, a first partition plate (13) is sleeved on the inner wall of the inner cavity (10), a piston (15) is sleeved on the inner wall of the inner cavity (10), a transmission column (17) is fixedly connected to the top of the piston (15), a top plate (18) is fixedly connected to the top end of the transmission column (17), and the top plate (18) is overlapped on the inner wall of the bottom of the mold core (3);

the water cooling mechanism comprises insert needles (19), limiting rings (20), branch pipes (21), a three-way pipe (22) and a header pipe (23), the bottom of the mold core (3) is symmetrically sleeved with two identical insert needles (19), the inner parts of the insert needles (19) are symmetrically communicated and provided with two branch pipes (21), four branch pipes (21) positioned at the bottoms of the two insert needles (19) correspond to one another one by one, the two corresponding branch pipes (21) positioned at the bottoms of the two insert needles (19) are respectively communicated and provided with two ports of the three-way pipe (22), the third ports of the two three-way pipes (22) are respectively communicated and provided with the header pipe (23), the two header pipes (23) are respectively sleeved in a protective sleeve (24), the protective sleeve (24) and the tail ends of the two header pipes (23) are arranged outside the lower mold (2), the tail ends of the two header pipes (23) penetrate through the top of the water tank (26) and are arranged inside the water tank (26), one of the header pipes (23) is communicated with and arranged at the water outlet end of the liquid pump (25).

2. The plastic mold with the pin-inserting water-cooling structure as claimed in claim 1, wherein: limiting plates (6) are fixedly connected to the top ends of the four guide pillars (4).

3. The plastic mold with the pin-inserting water-cooling structure as claimed in claim 1, wherein: a plurality of same air vents (14) are fixedly connected to the surface of the first partition plate (13) at equal intervals.

4. The plastic mold with the pin-inserting water-cooling structure as claimed in claim 1, wherein: the outer wall surface of the piston (15) is sleeved with a plurality of identical rubber sealing rings (16), and a sealing structure is formed between the outer wall of the piston (15) and the inner wall of the inner cavity (10) through the plurality of rubber sealing rings (16).

5. The plastic mold with the pin-inserting water-cooling structure as claimed in claim 1, wherein: and a water injection pipe (27) is communicated and installed on one side of the top of the water tank (26).

6. The plastic mold with the pin-inserting water-cooling structure as claimed in claim 1, wherein: inlay needle (19) including inlaying needle casing (1901) and baffle two (1902), it is hollow structure to inlay needle casing (1901) inside, the lateral wall of inlaying needle casing (1901) has cup jointed baffle two (1902), two divide pipe (21) to be located the both sides of baffle two (1902) respectively.