阅读说明：本技术 一种真空吸设备 (Vacuum suction equipment ) 是由 陈康筠 韦洪贤 王培吉 于 2021-10-09 设计创作，主要内容包括：本发明公开一种真空吸设备,包括真空干燥机构以及在真空干燥机构上的产品摆放托盘,所述真空干燥机构包括真空发生器、真空吸器和干燥器,所述干燥器与真空吸器相连,所述真空发生器连接有进气管和排气管,所述进气管与真空吸器一端连接,所述真空吸器上放置有产品摆放托盘,所述产品摆放托盘设置有若干个产品槽；所述真空吸器内设置有若干条真空管道,每条真空管道有若干个第一真空孔,通过真空发生器对真空吸器作用,真空发生器抽真空,使产品摆放托盘内的产品牢牢固定住,配合真空发生器体积小、质量轻且真空度高,使印刷时,能够更加精确地印刷,无多余锡膏溢流在产品其他位置。(The invention discloses vacuum suction equipment which comprises a vacuum drying mechanism and a product placing tray on the vacuum drying mechanism, wherein the vacuum drying mechanism comprises a vacuum generator, a vacuum sucker and a dryer; the vacuum sucker is internally provided with a plurality of vacuum pipelines, each vacuum pipeline is provided with a plurality of first vacuum holes, the vacuum sucker is acted by a vacuum generator, the vacuum generator is vacuumized, so that the product in the product placing tray is firmly fixed, and the vacuum sucker is small in size, light in weight and high in vacuum degree in cooperation with the vacuum generator, so that the product can be printed more accurately without overflowing of redundant tin paste at other positions of the product during printing.)

1. A vacuum suction apparatus characterized in that: the vacuum drying device comprises a vacuum drying mechanism and a product placing tray on the vacuum drying mechanism, wherein the vacuum drying mechanism comprises a vacuum generator, a vacuum sucker and a dryer, the dryer is connected with the vacuum sucker, the vacuum generator is connected with an air inlet pipe and an exhaust pipe, the air inlet pipe is connected with one end of the vacuum sucker, the product placing tray is placed on the vacuum sucker, and the product placing tray is provided with a plurality of product grooves; a plurality of vacuum pipelines are arranged in the vacuum sucker, and each vacuum pipeline is provided with a plurality of first vacuum holes.

2. A vacuum suction apparatus according to claim 1, wherein: and a vacuum releasing device is connected between the vacuum generator and the air inlet pipe.

3. A vacuum suction apparatus according to claim 1, wherein: the vacuum sucker is provided with a plurality of grooves.

4. A vacuum suction apparatus according to claim 1, wherein: the product groove is provided with a second vacuum hole, the vacuum tube is positioned below the product groove, and one end of the vacuum tube is connected with an air inlet pipe of the vacuum generator, so that vacuum negative pressure is generated in the product groove.

5. A vacuum suction apparatus according to claim 4, characterized in that: one side of the product groove is connected with a heat dissipation groove, the product placing tray is further provided with a plurality of first heat dissipation holes, and the heat dissipation groove is provided with second heat dissipation holes.

6. A vacuum suction apparatus according to claim 5, characterized in that: the product groove and the heat dissipation groove are round in groove angle.

7. A vacuum suction apparatus according to claim 1, wherein: the product placing tray is provided with a pulling-out part, and the pulling-out part is provided with a pulling hole.

8. A vacuum suction apparatus according to claim 1, wherein: the thickness of the product placing tray is 1-3 mm.

9. A vacuum suction apparatus according to claim 3, wherein: the diameters of the first heat dissipation hole and the second heat dissipation hole are 1-6 mm.

10. A vacuum suction apparatus according to claim 1, wherein: the vacuum sucker is also provided with a sealing ring.

Technical Field

The invention relates to the field of printing, in particular to vacuum suction equipment.

Background

The existing solder paste printing equipment has the advantages of high cost, long equipment maintenance period, expensive accessories, incapability of achieving the expected effect in the using process and large equipment floor area.

The Chinese invention with the publication number of CN110588144A discloses a solder paste printer for a circuit board, which comprises a solder paste printer frame, wherein a distribution box is arranged on the solder paste printer frame, mounting ports are respectively arranged on two sides of the solder paste printer frame, a circuit board conveying device is respectively arranged on the two mounting ports, a circuit board solder paste brushing device is arranged on the solder paste printer frame and comprises a positioning plate, a scraper device is arranged under the positioning plate, first oil cylinders which are vertically arranged are respectively fixed on two sides of the top surface of the scraper device, the tops of the two first oil cylinders are respectively fixed on the bottom surface of the positioning plate, air cylinders are respectively vertically fixed on two sides of the middle part of the bottom surface of the positioning plate, a first baffle plate and a second baffle plate are respectively fixed on the bottoms of the two air cylinders, a first servo motor is fixed on the middle part of the side surface of the first baffle plate, a rotating base is fixed on the middle part of the side surface of the second baffle plate, the rotary base is provided with a second oil cylinder, the output shaft of the first servo motor and the output shaft of the second oil cylinder are both fixed with a material clamping plate, and a material guide mechanism is arranged below the material clamping plate.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides the vacuum suction equipment which is small in size, accurate in printing and light in weight.

The purpose of the invention is realized by the following technical scheme:

a vacuum suction device comprises a vacuum drying mechanism and a product placing tray on the vacuum drying mechanism, wherein the vacuum drying mechanism comprises a vacuum generator, a vacuum sucker and a dryer, the dryer is connected with the vacuum sucker, the vacuum generator is connected with an air inlet pipe and an exhaust pipe, the air inlet pipe is connected with one end of the vacuum sucker, the product placing tray is placed on the vacuum sucker, and the product placing tray is provided with a plurality of product grooves; a plurality of vacuum pipelines are arranged in the vacuum sucker, and each vacuum pipeline is provided with a plurality of first vacuum holes.

Furthermore, a vacuum releasing device is connected between the vacuum generator and the air inlet pipe.

Further, the vacuum sucker is provided with a plurality of grooves.

Furthermore, the product groove is provided with a second vacuum hole, the vacuum tube is positioned below the product groove, and one end of the vacuum tube is connected with an air inlet pipe of a vacuum generator so as to generate vacuum negative pressure in the product groove.

Furthermore, one side of the product groove is connected with a heat dissipation groove, the product placing tray is further provided with a plurality of first heat dissipation holes, and the heat dissipation groove is provided with second heat dissipation holes.

Furthermore, the groove corners of the product groove and the heat dissipation groove are circular.

Further, the product placing tray is provided with a pulling-out portion, and the pulling-out portion is provided with a pulling hole.

Furthermore, the thickness of the product placing tray is 1-3 mm.

Further, the diameters of the first heat dissipation hole and the second heat dissipation hole are 1-6 mm.

Further, the vacuum sucker is also provided with a sealing ring.

Compared with the prior art, the invention has the following advantages and beneficial effects:

1. according to the invention, the vacuum generator acts on the vacuum sucker, the vacuum generator vacuumizes, so that the product in the product placing tray is firmly fixed, the vacuum generator is matched with the vacuum sucker, the product placing tray is small in size, light in weight and high in vacuum degree, so that the product can be printed more accurately, no redundant tin paste overflows to other positions of the product during printing, and the vacuum device is released after the tin paste is brushed to release vacuum, so that the product is separated.

2. The invention has the advantages of low cost, simple maintenance, cheap accessories, convenient installation, capability of changing different product types, small occupied area and the like. If the vacuum suction device is used, a series of problems of high price, large occupied space, long maintenance period, expensive accessories and the like can be solved, and a novel, efficient, clean and economic small vacuum element which is matched with a vacuum generator and generates negative pressure by utilizing a unique positive pressure air source is used, so that the vacuum suction device is more suitable for novel factory engineering.

Drawings

Fig. 1 is a schematic view of a product placement tray;

FIG. 2 is a schematic view of a vacuum;

FIG. 3 is a schematic view of a vacuum generator;

FIG. 4 is a cross-sectional view of the product channel of FIG. 1 taken in the direction A;

fig. 5 is a side view of the product placement tray.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, 2 and 3, a vacuum absorption device comprises a vacuum drying mechanism and a product placement tray 9 on the vacuum drying mechanism, wherein the vacuum drying mechanism comprises a vacuum generator 2, a vacuum absorber 4 and a dryer 20, the dryer 20 is connected with the vacuum absorber 4, the vacuum generator 2 is connected with an air inlet pipe 3 and an air outlet pipe 1, the air inlet pipe 3 is connected with one end of the vacuum absorber 4, the product placement tray 9 is placed on the vacuum absorber 4, and the product placement tray 9 is provided with a plurality of product grooves 16; a plurality of vacuum pipelines 8 are arranged in the vacuum sucker 4, and each vacuum pipeline 8 is provided with a plurality of first vacuum holes 7.

A vacuum releasing device is connected between the vacuum generator 2 and the air inlet pipe 3 and used for controlling air introduction, so that the vacuum state of the vacuum suction equipment is released, and the dryer 20 is started to accurately dry the printed products 12 in the product placing tray 9 on the vacuum suction device 4.

The vacuum suction device is started, the vacuum generator 2 sucks air in the vacuum pipeline 8 of the vacuum suction device 4 through the air inlet pipe 3, the air is discharged from the exhaust pipe 1, the product placing tray 9 on the vacuum suction device 4 is under negative pressure, the products 12 in the product groove 16 are firmly sucked through the first vacuum hole 7 of the vacuum pipeline 8, the product groove 16 limits the position of the products 12, the position printed on the products 12 is accurate, other positions of the products 12 are not left by redundant tin paste, and the products 12 are separated by releasing vacuum after the tin paste is brushed.

The vacuum sucker 4 is provided with a plurality of grooves 5, and the design of the grooves 5 makes the taking out of the product placing tray 9 easier.

The product groove 16 is provided with a second vacuum hole 17, the vacuum tube 8 is positioned below the product groove 16, one end of the vacuum tube 8 is connected with the air inlet tube 3 of the vacuum generator 2, so that vacuum negative pressure is generated in the product groove 16, the second vacuum hole 17 can enable the vacuum generator 2 to suck air in the product groove 16, the product 12 is tightly sucked, and solder paste can be printed accurately.

As shown in fig. 4, one side of the product slot 16 is connected with a heat dissipation slot 18, the product placement tray 9 is further provided with a plurality of first heat dissipation holes 10, the heat dissipation slot 18 is provided with second heat dissipation holes 11, the heat dissipation slot 18 can achieve the purpose of heat dissipation and can conveniently take out the product, the first heat dissipation holes 10 and the second heat dissipation holes 11 can also reduce the weight of the product placement tray 9, the cost is reduced, and the design and processing precision of the product slot 16 is high.

The product groove 16 and the groove angle 15 of the heat dissipation groove 18 are circular, the corners of the product 12 are protected, the knocking loss is prevented, the vacuum is released after the solder paste is brushed to enable the product 12 to be separated from the product more easily, and the atmosphere pressure is balanced more quickly.

The product placing tray 9 is provided with a pulling-out portion 13, the pulling-out portion 13 is provided with a pulling hole 14, the product placing tray 9 is conveniently pulled out after the solder paste is printed, and the product 12 is taken out.

As shown in fig. 5, the thickness of the product placement tray 9 is 1-3mm, and after repeated verification, the thickness of the product placement tray 9 is 2mm, so that the product placement tray has better heat dissipation performance and is not easy to deform.

The diameters of the first heat dissipation hole 10 and the second heat dissipation hole 11 are 1-6 mm.

The vacuum sucker 4 is also provided with a sealing ring 6, so that the vacuum sucker 4 and the product placing tray 9 can be tightly combined when the vacuum generator 2 operates, and air leakage cannot occur.

It should be understood that the above-described embodiments are merely preferred embodiments of the present invention and the technical principles applied thereto, and that any changes, modifications, substitutions, combinations and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention shall be regarded as equivalent substitutions and shall be covered by the protection scope of the present invention.