CN214605411U

CN214605411U - Device for automatically spraying demolding medium

Info

Publication number: CN214605411U
Application number: CN202120519967.6U
Authority: CN
Inventors: 谢亚辉; 王伟; 王政博
Original assignee: Shenzhen Hualong Exactitude Mould Co ltd
Current assignee: Shenzhen Hualong Exactitude Mould Co ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-05
Anticipated expiration: 2031-03-11

Abstract

The application relates to a device for automatically spraying demolding media, which comprises a fixed die plate with a bearing function, a feeding mechanism for feeding the demolding media, a spraying assembly for spraying the surface of a die cavity and a moving mechanism for driving the spraying assembly to move, wherein the feeding mechanism is connected with the spraying assembly, the spraying assembly comprises an upper nozzle for spraying the surface of an upper die cavity and a lower nozzle for spraying the surface of a lower die cavity, the upper nozzle and the lower nozzle are both connected with the moving mechanism, the moving mechanism is connected with the upper surface of the fixed die plate, the feeding mechanism is used for feeding the demolding media, the upper nozzle and the lower nozzle are used for simultaneously spraying the demolding media on the surfaces of the cavities of the upper die and the lower die so as to improve the production efficiency of the spraying die, the spraying assembly slides on the fixed die plate under the driving of the moving mechanism and keeps the surfaces of the upper die and the lower die cavity of the die to be sprayed, the volatilization of the demoulding medium is reduced, so that the effect of separating the product from the mould is improved.

Description

Device for automatically spraying demolding medium

Technical Field

The application relates to the field of spraying devices, in particular to a device for automatically spraying demolding media.

Background

With the continuous improvement of the plastic package requirements and the process of the semiconductor integrated circuit, the quality of the plastic package directly influences the vital electrical performance of the product. In the aspect of high-end outlet products, the high-viscosity environment-friendly halogen-free plastic package material is used in the required plastic package process, and the use of the high-viscosity environment-friendly halogen-free plastic package material can cause the problems that the product is difficult to demould in a mould cavity and the like. If the ejection device of the mold is simply changed, hidden danger of dark cracks of chips in the product or layering of the colloid and the silicon surface of the chip can be caused to different degrees, and the quality of the product is seriously influenced. In order to solve the problem, in the prior semiconductor integrated circuit plastic package production process, a medium which is not easy to stick to a mold is generally sprayed on the surface of the mold, and the spraying process generally uses a single spray nozzle to spray the surface of the mold for multiple times so as to facilitate the product to be easily separated from the surface of the mold after the product is plastic packaged.

In view of the above-mentioned related technologies, the inventor believes that when a single spray nozzle is used to spray a demolding medium on the surface of a mold, an upper mold and a lower mold of the mold cannot be sprayed simultaneously, the production efficiency is low, and the product demolding effect is poor due to relatively fast volatilization of the sprayed material when the upper mold or the lower mold of the mold is sprayed.

SUMMERY OF THE UTILITY MODEL

In order to promote spraying mould production efficiency and make the product easily break away from with the mould, this application provides a device of automatic spraying drawing of patterns medium.

The application provides an automatic device of spraying drawing of patterns medium adopts following technical scheme:

the utility model provides an automatic device of spraying drawing of patterns medium which characterized in that: the spraying assembly comprises a fixed template with a bearing function, a feeding mechanism for feeding demolding media, a spraying assembly for spraying the surface of a mold cavity and a moving mechanism for driving the spraying assembly to move, wherein the feeding mechanism is connected with the spraying assembly, the spraying assembly comprises an upper nozzle for spraying the surface of an upper mold cavity and a lower nozzle for spraying the surface of a lower mold cavity, the upper nozzle is connected with the lower nozzle, and the moving mechanism is connected with the upper surface of the fixed template.

Through adopting above-mentioned technical scheme, through utilizing feed mechanism material loading drawing of patterns medium, upper nozzle and lower nozzle carry out the spraying drawing of patterns medium to the surface of going up the die cavity of mould and lower mould simultaneously to in the production efficiency who promotes spraying mould, the spraying subassembly slides in the fixed die plate under moving mechanism's drive, and keeps the mould go up the mould and lower membrane die cavity surface of mould to carry out the spraying, reduces volatilizing of drawing of patterns medium, thereby improves the effect that product and mould break away from.

Optionally, the spraying subassembly is still including connect in feed mechanism just has the material storage block of cavity, the opening of going up the nozzle towards go up mould and its inner chamber with the cavity intercommunication of material storage block, the opening of nozzle down towards the lower mould and its inner chamber with the cavity intercommunication of material storage block, material storage block is equipped with the inlet pipe, the inlet pipe with the cavity intercommunication of material storage block.

Through adopting above-mentioned technical scheme, make upper nozzle and lower nozzle can the spraying simultaneously through storing the material piece, reduction in production cost can drive upper nozzle and lower nozzle simultaneously and slide in the fixed die plate through storing the material piece simultaneously to in improvement spraying efficiency.

Optionally, feed mechanism includes the support frame, is used for storing the holding vessel of drawing of patterns medium, is used for carrying the conveyer pipe of drawing of patterns medium and is used for carrying the first driving piece that the medium was carried with the drawing of patterns, conveyer pipe one end with the holding vessel is connected, the conveyer pipe other end with the inlet pipe is connected, first driving piece with holding vessel fixed connection just is located the holding vessel, the holding vessel is fixed in the upper end of support frame just is located it nozzle assembly's top.

Through adopting above-mentioned technical scheme, in carrying the cavity of material storage piece with the drawing of patterns medium through the conveyer pipe under the drive of first driving piece, go up the in-process that nozzle and lower nozzle carry out the spraying to the surface of mould die cavity and keep even spouting outward to promote the effect of spraying drawing of patterns medium.

Optionally, the moving mechanism includes two sets of first lead screw assemblies for driving the spraying assembly to move longitudinally, the first lead screw assemblies are respectively installed on two sides of the fixed template, each first lead screw assembly includes two support rods fixed on the fixed template and far away from each other, a sliding block sliding on the fixed template, a first lead screw rotatably connected to the support rod and a first driving piece driving the first lead screw to rotate, the first lead screw passes through the sliding block and is in threaded connection with the sliding block, and the first driving piece is fixedly connected with the support rods.

Through adopting above-mentioned technical scheme, first lead screw at the uniform velocity rotates in the frame under the drive of first driving piece, and first lead screw orders about the slider and slides at the uniform velocity along the guide rail to in order to order about upper nozzle and lower nozzle longitudinal movement, at the in-process that removes and carry out even spraying to the surface of going up the die cavity of mould and lower membrane, prevent that the surface from producing mixed and disorderly seal of a government organization in old china, promote processingquality.

Optionally, the moving mechanism further comprises a second lead screw assembly for driving the spraying assembly to move transversely, the second lead screw assembly comprises a frame sliding on the fixed die plate, a guide rail for sliding the spraying assembly, a second lead screw rotating on the fixed die plate and a second driving piece driving the second lead screw to rotate, the frame is fixed on the upper end face of the sliding block, the second lead screw is rotatably connected to the frame, the second driving piece is fixed on the frame, and the second lead screw penetrates through the material storage block and is in threaded connection with the material storage block.

Through adopting above-mentioned technical scheme, the second lead screw subassembly transversely slides at the uniform velocity in the fixed die plate under the drive of second driving piece, cooperates first lead screw subassembly motion to go up the nozzle and all spray everywhere on the die cavity surface of mould and lower membrane is gone up to nozzle down, thereby promote the effect that breaks away from of product and mould.

Optionally, two connecting rods for stable sliding of the sliding block are jointly fixed to the side walls of the two support rods close to each other, the connecting rods penetrate through the sliding block, and the two connecting rods are respectively located above and below the second screw rod and parallel to the second screw rod.

Through adopting above-mentioned technical scheme, through the connecting rod for the stable sliding in the bracing piece of slider, so that make the spraying subassembly slide, prevent that the spraying subassembly from rocking, thereby promote the effect of spraying.

Optionally, the upper end of the storage tank is hinged with a cover plate for sealing the inner cavity of the storage tank.

Through adopting above-mentioned technical scheme, prevent through the apron that impurity from falling into in the holding vessel to in promoting the purity of drawing of patterns medium.

Optionally, a handle convenient for lifting the cover plate is arranged on the upper end face of the cover plate.

Through adopting above-mentioned technical scheme, through the handle so that mention the apron, the usability of lifting machine.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the feeding mechanism is utilized, the spraying assembly sprays demolding media on the surfaces of the upper die and the lower die cavity of the die, the spraying assembly slides on the fixed die plate under the driving of the moving mechanism, the surfaces of the upper die and the lower die cavity of the die are kept to be sprayed, and the spraying assembly sprays the upper die and the lower die simultaneously, so that the production efficiency of the spraying die is improved;

2. prevent through the apron that impurity from falling into in the holding vessel to promote the purity of drawing of patterns medium.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present application for showing the overall structure;

FIG. 2 is a schematic structural diagram for showing a spray assembly according to an embodiment of the present application;

fig. 3 is a schematic diagram for showing a moving mechanism according to an embodiment of the present application.

Description of reference numerals: 1. fixing a template; 2. a feeding mechanism; 21. a support frame; 22. a storage tank; 23. a delivery pipe; 24. a constant pressure pump; 3. a spray assembly; 31. an upper nozzle; 32. a lower nozzle; 33. a material storage block; 331. a feed pipe; 4. a moving mechanism; 41. a first lead screw assembly; 411. a support bar; 412. a first lead screw; 413. a first servo motor; 42. a second lead screw assembly; 421. a frame; 422. a guide rail; 423. a second lead screw; 424. a second servo motor; 51. a cover plate; 52. a handle; 53. a slider; 54. a connecting rod.

Detailed Description

The present application will be described in further detail below with reference to the accompanying drawings.

The embodiment of the application discloses device of automatic spraying drawing of patterns medium, its production efficiency that can promote the spraying mould and the effect that product and mould break away from.

Referring to fig. 1 and 2, an apparatus for automatically spraying a mold release medium includes a stationary platen 1 for supporting, a feeding mechanism 2 for feeding the mold release medium, a spray assembly 3 for spraying a surface of a mold cavity, and a moving mechanism 4 for driving the spray assembly 3 to move. The spray assembly 3 includes an upper nozzle 31 for spraying the surface of the upper mold cavity, a lower nozzle 32 for spraying the surface of the lower mold cavity, and a bank 33 connected to the feed mechanism 2 and having a chamber. The material storage block 33 is connected to the moving mechanism 4, the lower end of the upper nozzle 31 is integrally formed with the upper end of the material storage block 33, the opening of the upper nozzle 31 faces the upper die and the inner cavity thereof is communicated with the cavity of the material storage block 33, the upper end of the lower nozzle 32 is integrally formed with the lower end of the material storage block 33, the opening of the lower nozzle 32 faces the lower die and the inner cavity thereof is communicated with the cavity of the material storage block 33, the side wall of the material storage block 33 is integrally formed with a feed pipe 331, the feed pipe 331 is communicated with the cavity of the material storage block 33, and the feed pipe 331 is connected to the feeding mechanism 2. Through utilizing feed mechanism 2, upper nozzle 31 and lower nozzle 32 carry out the spraying drawing of patterns medium to the surface of the die cavity of last mould and lower mould simultaneously, upper nozzle 31 and lower nozzle 32 slide in fixed die plate 1 under the drive of moving mechanism 4 to keep spraying last mould and lower membrane, spray last mould and lower membrane simultaneously through upper nozzle 31 and lower nozzle 32, so as to promote the production efficiency of spraying mould, reduce the volatilizing of drawing of patterns medium simultaneously, thereby improve the effect that product and mould break away from.

Referring to fig. 1, the feeding mechanism 2 includes a supporting frame 21, a storage tank 22 for storing the demolding medium, a conveying pipe 23 for conveying the demolding medium, and a first driving member for conveying the demolding medium. The lower extreme integrated into one piece of holding vessel 22 has the discharging pipe, and the discharging pipe communicates in holding vessel 22, and the lower extreme fixed connection of conveyer pipe 23 one end and discharging pipe, the conveyer pipe 23 other end and inlet pipe 331 fixed connection. The first driving member is a constant pressure pump 24, the constant pressure pump 24 is connected to the storage tank 22 and located in the storage tank 22, and the storage tank 22 is fixed to the upper end of the support frame 21 and located above the nozzle assembly by bolts. The demolding medium is conveyed into the cavity of the material storage block 33 through the conveying pipe 23 under the driving of the constant pressure pump 24, so that the upper nozzle 31 and the lower nozzle 32 can spray the mold uniformly, and the spraying production efficiency of the demolding medium is improved.

The upper end of the storage tank 22 is hinged with a cover plate 51 for covering the inner cavity of the storage tank 22, and the constant pressure pump 24 is fixed on the lower end surface of the cover plate 51 by bolts. A handle 52 which is convenient for lifting the cover plate 51 is welded on the upper end surface of the cover plate 51. Impurities are prevented from falling into the storage tank 22 by the cover plate 51 so as to improve the purity of the demolding medium and to improve the separation effect of the product from the mold.

Referring to fig. 3, the moving mechanism 4 includes two sets of first lead screw assemblies 41 for driving the spraying assembly 3 to move longitudinally, and the two sets of first lead screw assemblies 41 are respectively mounted on two sides of the fixed die plate 1. The first lead screw assembly 41 includes two support rods 411 fixed to the upper end surface of the fixed die plate 1 by bolts and spaced apart from each other, a first lead screw 412 with two ends rotatably connected to the support rods 411, a slide block 53 sliding on the fixed die plate 1, and a first driving member driving the first lead screw 412 to rotate. The first lead screw 412 penetrates through the slide block 53 and is in threaded connection with the slide block 53, the upper nozzle 31 and the lower nozzle 32 are connected to the slide block 53, the first driving piece is a first servo motor 413, the first servo motor 413 is fixed on the side wall, far away from the first lead screw 412, of the support rod 411 through bolts, and an output shaft of the first servo motor 413 is fixedly connected with the first lead screw 412 through a coupler. Under the drive of the first servo motor 413, the first lead screw assembly 41 longitudinally slides on the fixed die plate 1 at a uniform speed, so that the upper nozzle 31 and the lower nozzle 32 can conveniently spray all parts of the surfaces of the cavities of the upper die and the lower film, and the separation effect of the product and the die is improved.

The moving mechanism 4 further includes a second lead screw assembly 42 for driving the spraying assembly 3 to move transversely, and the second lead screw assembly 42 includes a frame 421 sliding above the fixed die plate 1, a guide rail 422 for sliding the material storage block 33, a second lead screw 423 rotating on the frame 421, and a second driving member for driving the second lead screw 423 to rotate. Two ends of the rack 421 are respectively fixed to the upper end surface of the sliding block 53 by bolts, the second screw rod 423 is rotatably connected to the rack 421, the second screw rod 423 penetrates through the material storage block 33 and is in threaded connection with the material storage block, the guide rail 422 is fixed to the rack 421 by bolts and is located below the second screw rod 423, the material storage block 33 is clamped with the guide rail 422, and the material storage block 33 slides along the guide rail 422. The second driving element is a second servo motor 424, the second servo motor 424 is fixed at one end of the frame 421 by bolts, and an output shaft of the second servo motor 424 is fixedly connected with the second screw rod 423 by a coupler. Under the drive of the second servo motor 424, the second screw rod 423 rotates at a constant speed on the rack 421, and the second screw rod 423 drives the material storage block 33 to slide along the guide rail 422 at a constant speed, so that the surfaces of the cavities of the upper die and the lower die are uniformly sprayed by the upper nozzle 31 and the lower nozzle 32, and messy marks are prevented from being generated on the surfaces, so that the plastic packaging quality of the product is improved.

Two connecting rods 54 for the stable sliding of the sliding block 53 are fixed together on the side walls of the two support rods 411 close to each other, the connecting rods 54 pass through the sliding block 53, and the two connecting rods 54 are respectively located above and below the first lead screw 412 and are parallel to the first lead screw 412. Prevent through connecting rod 54 that slider 53 from producing the skew in its position of in-process that slides, make its first lead screw subassembly 41 more stable when longitudinal sliding, make upper nozzle 31 and lower nozzle 32 more stable when carrying out the spraying to the mould die cavity surface, further improve the quality of carrying out the spraying to the mould die cavity surface to in-process that promotes the product and the mould breaks away from the effect.

The implementation principle of the device for automatically spraying the demolding medium is as follows: through utilizing feed mechanism 2, upper nozzle 31 and lower nozzle 32 carry out the spraying drawing of patterns medium to the surface of going up the mould die cavity and the surface of lower mould die cavity simultaneously, upper nozzle 31 and lower nozzle 32 slide in fixed die plate 1 under the drive of moving mechanism 4 to keep going up mould and lower membrane and carry out the spraying, go up mould and lower membrane through upper nozzle 31 and lower nozzle 32 and carry out the spraying simultaneously, so as to promote the production efficiency of spraying mould, reduce the volatilizing of drawing of patterns medium simultaneously, thereby improve the effect that product and mould break away from.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides an automatic device of spraying drawing of patterns medium which characterized in that: including the fixed die plate (1) that plays the bearing effect for feed mechanism (2) of material loading drawing of patterns medium, spraying assembly (3) that carry out the spraying to mould cavity surface and be used for driving about moving mechanism (4) that spraying assembly (3) removed, feed mechanism (2) with spraying assembly (3) are connected, spraying assembly (3) including being used for going on last nozzle (31) that spout to mould cavity surface and being used for carrying on lower nozzle (32) that spout to lower mould cavity surface, go up nozzle (31) with nozzle (32) all connect in moving mechanism down, moving mechanism (4) connect in the upper surface of fixed die plate (1).

2. The apparatus of claim 1, wherein the apparatus further comprises: spraying subassembly (3) still including connect in feed mechanism (2) and have the chamber hold material piece (33), go up the opening of nozzle (31) towards last mould and its inner chamber with hold the chamber intercommunication of material piece (33), the opening of lower nozzle (32) towards the lower mould and its inner chamber with hold the chamber intercommunication of material piece (33), it is equipped with inlet pipe (331) to hold material piece (33), inlet pipe (331) with hold the chamber intercommunication of material piece (33).

3. The apparatus of claim 2, wherein the means for automatically spraying the release medium comprises: feed mechanism (2) include support frame (21), be used for storing holding vessel (22) of drawing of patterns medium, be used for carrying the conveyer pipe (23) of drawing of patterns medium and be used for carrying out the first driving piece of carrying the drawing of patterns medium, conveyer pipe (23) one end with holding vessel (22) are connected, the conveyer pipe (23) other end with inlet pipe (331) are connected, first driving piece with holding vessel (22) fixed connection just is located holding vessel (22), holding vessel (22) are fixed in the upper end of support frame (21).

4. The apparatus of claim 2, wherein the means for automatically spraying the release medium comprises: the moving mechanism (4) comprises two groups of first lead screw assemblies (41) used for driving the spraying assembly (3) to move longitudinally, the first lead screw assemblies (41) are respectively installed on two sides of the fixed template (1), each first lead screw assembly (41) comprises two support rods (411) which are fixed on the fixed template (1) and are far away from each other, a sliding block (53) of the fixed template (1) and two ends of each first lead screw (412) which are rotatably connected with the support rods (411) and a first driving piece which drives the first lead screws (412) to rotate, the first lead screws (412) penetrate through the sliding block (53) and are in threaded connection with the first lead screws, and the first driving piece is fixedly connected with the support rods (411).

5. The apparatus of claim 4, wherein the apparatus further comprises: the moving mechanism (4) further comprises a second lead screw assembly (42) used for driving the spraying assembly (3) to move transversely, the second lead screw assembly (42) comprises a rack (421) sliding on the fixed die plate (1), a guide rail (422) used for sliding the spraying assembly (3), a second lead screw (423) rotating on the fixed die plate (1) and a second driving piece driving the second lead screw (423) to rotate, the rack (421) is fixed on the upper end face of the sliding block (53), the second lead screw (423) is rotationally connected to the rack (421), the second driving piece is fixed on the rack (421), and the second lead screw (423) penetrates through the storage block (33) and is in threaded connection with the storage block.

6. The apparatus of claim 5, wherein the means for automatically spraying the release medium comprises: two connecting rods (54) used for stable sliding of a sliding block (53) are jointly fixed on the side walls, close to each other, of the two supporting rods (411), the connecting rods (54) penetrate through the sliding block (53), and the two connecting rods (54) are respectively located above and below the second screw rod (423) and are parallel to the second screw rod (423).

7. The apparatus of claim 3, wherein the apparatus further comprises: the upper end of the storage tank (22) is hinged with a cover plate (51) for closing the opening of the storage tank (22).

8. The apparatus of claim 7, wherein the means for automatically spraying release medium comprises: the upper end surface of the cover plate (51) is provided with a handle (52) which is convenient for lifting the cover plate (51).