CN215472915U

CN215472915U - LED fin production device of moulding plastics

Info

Publication number: CN215472915U
Application number: CN202122413566.5U
Authority: CN
Inventors: 陈金炉; 金亚东; 牛丹; 刘静静
Original assignee: Hangzhou Zhonghao Electronics Co ltd
Current assignee: Hangzhou Zhonghao Electronics Co ltd
Priority date: 2021-10-08
Filing date: 2021-10-08
Publication date: 2022-01-11
Anticipated expiration: 2031-10-08

Abstract

The utility model discloses an injection molding device for LED radiating fin production, which relates to the technical field of injection molding equipment, and particularly relates to an injection molding device for LED radiating fin production. This LED fin production injection molding device mutually supports between through cooling tube, the jam piece, can cool off injection mold, and cold water in the cooling tube inner chamber can take place expend with heat and contract with cold when absorbing sufficient heat for cold water in the circulating line inner chamber gets into the cooling tube, continues continuously to provide the cooling for injection mold, great improvement the device's cooling effect.

Description

LED fin production device of moulding plastics

Technical Field

The utility model relates to the technical field of injection molding equipment, in particular to an injection molding device for producing an LED radiating fin.

Background

The heat dissipation of the LED is always the requirement of the lamp, and before the product is developed, the existing LED has no thin fin, the structure can also solve most problems, and people know that the heat dissipation effect of the product is related to the contact area, the larger the contact area is, the better the heat dissipation effect is, if the contact area is increased, a certain number of fins need to be separated from the middle, so that the heat dissipation area can be obviously increased, meanwhile, the first difficulty is that the increase of fins brings about the difficulty of demoulding, the strength of the existing injection product easily causes fin fragments in a mould and the high-efficiency production cannot be realized, the second problem is that the fin structure is increased, the area of the radiating fin is increased, the required cooling effect must be improved, otherwise, a large amount of cooling time is wasted, and therefore, the injection molding device for producing the LED radiating fin is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides an injection molding device for producing an LED radiating fin, which solves the problems in the background technology.

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a device of moulding plastics of LED fin production, includes injection mold, be provided with the fin in injection mold's the inner chamber, injection mold's the positive fixed mounting in chamber of moulding plastics has the vibrations piece, injection mold's positive fixed mounting has first mount, the positive movable mounting of first mount has the bull stick, the equal fixed cover in both sides has connect the drive wheel around the output pole of bull stick, the surface transmission of drive wheel is connected with the track, the inner chamber transmission of the track other end is connected with the interlocking wheel, the fixed slot has been seted up at the middle part of interlocking wheel, the fixed cover of fixed cover in the fixed slot of seting up at the middle part of the interlocking wheel has the pivot, the inboard at first mount is cup jointed in the pivot activity, the equal fixed mounting in rear end of bull stick and pivot has the drive plate.

Optionally, the inboard fixed mounting of vibrations piece has the support column, the other end fixed mounting of support column has spacing post, the outside of support column is provided with reset spring, the drive block has been cup jointed in the activity of support column surface, the fixed surface of drive block installs the vibrations piece.

Optionally, injection mold's fixed surface installs the second mount, the inboard of second mount is provided with the circulating pipe, the upper end fixed mounting of circulating pipe has the cooling tube, stifled chock is all installed to the upper and lower both sides in cooling tube inner chamber, the inner fixedly connected with connecting rod of stifled chock, the other end fixed connection of connecting rod is at the inner chamber wall of cooling tube, the cold water machine is installed to the lower extreme of circulating pipe.

Optionally, the surfaces of the driving wheel and the linkage wheel are provided with limit grooves, and the crawler is in transmission connection with the limit grooves arranged on the surfaces of the driving wheel and the linkage wheel.

Optionally, the driving plate is shaped like an eccentric wheel, and the distance between the driving plate and the driving plate is the same.

Optionally, the diameter of the limiting column is larger than that of the supporting column, and the reset spring is fixedly connected to the inner side of the vibrating piece.

The utility model provides an injection molding device for LED radiating fin production, which has the following beneficial effects:

1. this device of moulding plastics is produced to LED fin, through rotating the bull stick for the driving tablet touches the vibrations piece, thereby makes the vibrations piece take place slight vibrations, can drive the vibrations that last between vibrations piece and the vibrations piece through mutually supporting between support column, reset spring, drive block, the vibrations piece, makes injection mold's inner chamber take place vibrations, thereby makes fin and injection mold's the chamber of moulding plastics produce the clearance, can effectual supplementary fin deciduate.

2. This LED fin production injection molding device mutually supports between through cooling tube, the jam piece, can cool off injection mold, and cold water in the cooling tube inner chamber can take place expend with heat and contract with cold when absorbing sufficient heat for cold water in the circulating line inner chamber gets into the cooling tube, continues continuously to provide the cooling for injection mold, great improvement the device's cooling effect.

Drawings

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

FIG. 2 is a schematic structural view of a three-dimensional explosion at the heat sink of the present invention;

FIG. 3 is a schematic structural diagram of a three-dimensional explosion at a driving block according to the present invention;

FIG. 4 is a perspective view of the cooling tube of the present invention;

fig. 5 is a schematic three-dimensional structure diagram of the plugging block of the present invention.

In the figure: 1. injection molding a mold; 2. a heat sink; 3. a vibration sheet; 4. a first fixing frame; 5. a rotating rod; 6. a drive wheel; 7. a crawler belt; 8. a linkage wheel; 9. a rotating shaft; 10. a driving plate; 11. a support pillar; 12. a limiting column; 13. a return spring; 14. a drive block; 15. a vibration block; 16. a second fixing frame; 17. a circulation pipe; 18. a cooling tube; 19. a plugging block; 20. a connecting rod; 21. a water cooling machine.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1, fig. 2 and fig. 3, the present invention provides a technical solution: the utility model provides a LED fin production injection molding device, including injection mold 1, be provided with fin 2 in injection mold 1's the inner chamber, injection mold 1's the positive fixed mounting of injection molding chamber has vibrations piece 3, injection mold 1's the positive fixed mounting has first mount 4, the positive movable mounting of first mount 4 has bull stick 5, through rotating bull stick 5, make 10 touch vibrations piece 3, thereby make vibrations piece 3 take place slight vibrations, thereby make fin 2 and injection mold 1's the injection molding chamber produce the clearance, can effectual supplementary fin 2 demolish, both sides are all fixed to cup joint drive wheel 6 around the output pole of bull stick 5, the surface transmission of drive wheel 6 is connected with track 7, the inner chamber transmission of the track 7 other end is connected with interlocking wheel 8, spacing groove has been seted up on drive wheel 6 and interlocking wheel 8's surface, track 7 transmission is connected at drive wheel 6, In the spacing groove that 8 surfaces of linkage wheel were seted up, can be spacing to track 7, make track 7 more firm when driving, the fixed slot has been seted up at the middle part of linkage wheel 8, the fixed cover has been seted up at the fixed slot of 8 middle parts of linkage wheel has been seted up pivot 9, pivot 9 activity is cup jointed in the inboard of first mount 4, the equal fixed mounting in rear end of bull stick 5 and pivot 9 has driving plate 10, the shape of driving plate 10 is eccentric wheel-shaped, interval between driving plate 10 and the driving plate 10 is the same, can be for providing sufficient power between vibrations piece 3 and the vibrations piece 3, make vibrations between vibrations piece 3 and the vibrations piece 3 keep sufficient dynamics.

Please refer to fig. 3, a support post 11 is fixedly mounted on the inner side of the vibrating plate 3, a limiting post 12 is fixedly mounted on the other end of the support post 11, the diameter of the limiting post 12 is larger than that of the support post 11, a return spring 13 is fixedly connected to the inner side of the vibrating plate 3, the limit of the drive block 14 can be achieved by the aid of the limiting post 12, and excessive elasticity of the return spring 13 is avoided, so that the drive block 14 is separated from the surface of the support post 11, the return spring 13 is arranged on the outer side of the support post 11, the drive block 14 is movably sleeved on the outer surface of the support post 11, a vibrating block 15 is fixedly mounted on the surface of the drive block 14, and the return spring 13 continuously resets, so that power can be continuously provided for the drive block 14, the vibrating block 15 continuously vibrates the vibrating plate 3, and the vibration frequency between the vibrating plate 3 and the vibrating plate 3 can be improved.

Referring to fig. 4 and 5, a second fixing frame 16 is fixedly mounted on the surface of the injection mold 1, a circulation pipe 17 is disposed inside the second fixing frame 16, a cooling pipe 18 is fixedly mounted at the upper end of the circulation pipe 17, blocking blocks 19 are mounted on both the upper and lower sides of an inner cavity of the cooling pipe 18, a connection rod 20 is fixedly connected to the inner end of the blocking block 19, the other end of the connection rod 20 is fixedly connected to the inner cavity wall of the cooling pipe 18, and a water cooler 21 is mounted at the lower end of the circulation pipe 17, the injection mold 1 can be cooled by using the cooling pipe 18, when cold water in the inner cavity of the cooling pipe 18 absorbs enough heat, thermal expansion and cold contraction occur, so that the cold water in the inner cavity of the circulation pipe 17 enters the cooling pipe 18 to continuously provide cooling for the injection mold 1, and the water cooler 21 is a prior art and is not described herein.

In conclusion, when the injection molding device for producing the LED radiating fin is used, firstly, when a worker needs to demould, the worker needs to rotate the rotating rod 5 to enable the vibrating piece 3 to rotate, the driving wheel 6 can rotate along with the rotating rod 10 while the vibrating piece 10 rotates, the linkage wheel 8 is driven to rotate through the crawler 7, so that the vibrating piece 3 can be slightly vibrated by the vibrating piece 10, the vibrating piece 3 can be collided by the vibrating block 15 at the moment, the vibrating piece 3 and the vibrating piece 3 are continuously vibrated by the aid of the reset spring 13, a gap between the injection mold 1 and the radiating fin 2 is increased, demoulding is facilitated, cold water in an inner cavity of the cooling pipe 18 can cool the injection mold 1 when injection molding is completed, when the cold water in the inner cavity of the cooling pipe 18 absorbs enough heat, expansion and contraction can occur, so that the cold water in the inner cavity of the circulating pipe 17 enters the cooling pipe 18 to continuously provide cooling for the injection mold 1, and (5) demoulding after cooling is finished.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. The utility model provides a device of moulding plastics of LED fin production, includes injection mold (1), its characterized in that: a radiating fin (2) is arranged in the inner cavity of the injection mould (1), a vibrating piece (3) is fixedly arranged on the front surface of the injection mould cavity of the injection mould (1), a first fixing frame (4) is fixedly arranged on the front surface of the injection mold (1), a rotating rod (5) is movably arranged on the front surface of the first fixing frame (4), the front side and the rear side of the output rod of the rotating rod (5) are fixedly sleeved with driving wheels (6), the outer surface of the driving wheel (6) is connected with a crawler belt (7) in a transmission way, the inner cavity at the other end of the crawler belt (7) is connected with a linkage wheel (8) in a transmission way, a fixed groove is arranged in the middle of the linkage wheel (8), a rotating shaft (9) is fixedly sleeved in the fixed groove arranged in the middle of the linkage wheel (8), the rotating shaft (9) is movably sleeved on the inner side of the first fixing frame (4), and the driving sheet (10) is fixedly mounted at the rear ends of the rotating rod (5) and the rotating shaft (9).

2. The injection molding device for producing the LED radiating fin according to claim 1, wherein: the utility model discloses a vibration plate, including vibrations piece (3), inboard fixed mounting of vibrations piece (3) has support column (11), the other end fixed mounting of support column (11) has spacing post (12), the outside of support column (11) is provided with reset spring (13), drive block (14) have been cup jointed in support column (11) surface activity, the fixed surface of drive block (14) installs vibrations piece (15).

3. The injection molding device for producing the LED radiating fin according to claim 1, wherein: the fixed surface of injection mold (1) installs second mount (16), the inboard of second mount (16) is provided with circulating pipe (17), the upper end fixed mounting of circulating pipe (17) has cooling tube (18), plugging block (19) are all installed to the upper and lower both sides of cooling tube (18) inner chamber, the inner fixedly connected with connecting rod (20) of plugging block (19), the inner chamber wall of the other end fixed connection of connecting rod (20) at cooling tube (18), cold water machine (21) are installed to the lower extreme of circulating pipe (17).

4. The injection molding device for producing the LED radiating fin according to claim 1, wherein: limiting grooves are formed in the surfaces of the driving wheel (6) and the linkage wheel (8), and the crawler belt (7) is in transmission connection with the limiting grooves formed in the surfaces of the driving wheel (6) and the linkage wheel (8).

5. The injection molding device for producing the LED radiating fin according to claim 1, wherein: the driving plate (10) is in the shape of an eccentric wheel, and the distance between the driving plate (10) and the driving plate (10) is the same.

6. The injection molding device for producing the LED radiating fin according to claim 2, wherein: the diameter of the limiting column (12) is larger than that of the supporting column (11), and the reset spring (13) is fixedly connected to the inner side of the vibration piece (3).