US-12617003-B2 - Dispensing apparatus

Abstract

The present application provides a dispensing apparatus for processing an electronic component, comprising: a first track component and a second track component, a first flow-guiding component and a second flow-guiding component, the first flow-guiding component being arranged at the top of the first track component, the second flow-guiding component being arranged at the top of the second track component, the first flow-guiding component having at least one first gas inlet and at least one first gas outlet in communication with each other, the at least one first gas inlet being configured to be in communication with a clean gas source, the second flow-guiding component having at least one second gas inlet and at least one second gas outlet in communication with each other, the at least one second gas inlet being arranged facing the first gas outlet, and the at least one second gas outlet being configured to be in communication with a gas discharge motive power apparatus, so that clean gas can flow toward the at least one second gas inlet from the at least one first gas outlet, thereby forming a clean gas region above the electronic component to be processed, to avoid contamination with impurities during processing.

Inventors

• Guohua Liu

Assignees

• ILLINOIS TOOL WORKS INC.

Dates

Publication Date

20260505

Application Date

20210302

Priority Date

20200303

Claims (6)

1. 1 . A dispensing apparatus for processing an electronic component, comprising: a first track component and a second track component, the first track component and the second track component being arranged in parallel, and being configured to carry an electronic component to be processed; a first flow-guiding component and a second flow-guiding component, the first flow-guiding component being arranged at the top of the first track component, the second flow-guiding component being arranged at the top of the second track component, the first flow-guiding component including an elongated structure having a first end, a second end, and a first inner side part, the second flow-guiding component including an elongated structure having a third end, a fourth end, and a second inner side part, the first inner side part and the second flow-guiding component inner side part being arranged facing toward each other; wherein the first flow-guiding component has two first gas inlets and at least one first gas outlet in communication with each other, the two first gas inlets being configured to be in communication with a clean gas source, and the at least one first gas outlet being arranged at the first inner side part of the first flow-guiding component, the second flow-guiding component has at least one second gas inlet and two second gas outlets in communication with each other, the at least one second gas inlet being arranged at the second inner side part of the second flow-guiding component, and the two second gas outlets being configured to be in communication with a vacuum generator, so that clean gas can flow toward the at least one second gas inlet from the at least one first gas outlet, thereby forming a clean gas region above the electronic component to be processed, wherein the two first gas inlets of the first flow-guiding component includes a first gas inlet provided in the first end of the first flow-guiding component and a second gas inlet provided in the second end of the first flow-guiding component, the first gas inlet and the second gas inlet being configured to be in communication with the clean gas source, and the two second gas outlets of the first flow-guiding component extend along a length of the first inner side part of the first flow-guiding component, wherein the at least one second gas inlet of the second flow-guiding component includes one or more second gas inlet extending along a length of the second inner side part of the second flow-guiding component and the two second gas outlets includes a third gas outlet provided in the third end of the second flow-guiding component and a fourth gas outlet provided in the fourth end of the second flow-guiding component, the third gas outlet and the fourth gas outlet being configured to be in communication with the vacuum generator, wherein the first flow-guiding component has at least one lead-out channel corresponding to the at least one first gas outlet respectively, the at least one lead-out channel being formed to extend into the interior of the first flow-guiding component from the at least one first gas outlet, and the height of the lead-out channel, in a length direction perpendicular to the first track component, gradually decreasing from the at least one first gas outlet toward the inside, wherein the first flow-guiding component has a first accommodating cavity, the first accommodating cavity extending in the length direction of the first flow-guiding component and being in communication with the first gas inlet and the second gas inlet and the at least one lead-out channel, wherein the second flow-guiding component has at least one lead-in channel corresponding to the at least one second gas inlet, the at least one lead-in channel being formed to extend into the interior of the second flow-guiding component from the second gas inlet, and the height of the at least one lead-in channel in a length direction perpendicular to the second track component gradually decreasing from the second gas inlet toward the inside, and wherein the second flow-guiding component has a second accommodating cavity, the second accommodating cavity extending in the length direction of the second flow-guiding component and being in communication with the third gas outlet and the fourth gas outlet of the two second gas outlets and the at least one lead-in channel.
2. 2 . The dispensing apparatus as claimed in claim 1 , wherein the at least one first gas outlets comprises multiple gas outlets, and a distance between outer sides of the first and the last of the multiple gas outlets in the length direction of the first flow-guiding component is greater than or equal to a length of the clean gas region of the dispensing apparatus.
3. 3 . The dispensing apparatus as claimed in claim 1 , wherein the at least one second gas inlet comprises multiple gas inlets and multiple lead-in channels corresponding to the at least one first gas outlets respectively, the multiple gas inlets being distributed in the length direction of the second flow-guiding component.
4. 4 . The dispensing apparatus as claimed in claim 1 , wherein a distance between the first inner side part of the first flow-guiding component and the second inner side part of the second flow-guiding component is less than a width of the clean gas region of the dispensing apparatus.
5. 5 . The dispensing apparatus as claimed in claim 1 , further comprising an air filtration apparatus, the air filtration apparatus comprising an inlet end and an outlet end, the inlet end being in communication with an air source, the outlet end being in communication with the first gas inlet and the second gas inlet of the first flow-guiding component.
6. 6 . The dispensing apparatus as claimed in claim 1 , further comprising a gas treatment apparatus, the gas treatment apparatus being in communication with the third gas outlet and the fourth gas outlet of the two second gas outlets, and the gas treatment apparatus being capable of purifying air flowing out of the two second gas outlets.

Description

RELATED APPLICATIONS This application is a U.S. National Phase Application under 35 U.S.C. § 371 of International Application No. PCT/US2021/020518 filed Mar. 2, 2021, which claims the benefit of Chinese Patent Application No. 202010139401.0, filed Mar. 3, 2020. The entire contents of the foregoing applications are hereby incorporated herein by reference. FIELD The present application relates to a dispensing apparatus, in particular to a dispensing apparatus for use in the field of electronic component processing. BACKGROUND In the field of electronic component processing, it is necessary to use a dispensing apparatus to dispense fluid droplets onto electronic component surfaces or into electronic components; in the process of fluid dispensing, if dust or impurities contaminate the fluid or a region of the electronic component where processing is to be performed, the quality of processing of the electronic component will be affected. Thus, it is necessary to ensure the cleanliness of air in a processing region of the electronic component, to avoid contamination by dust or impurities as far as possible. SUMMARY The present application provides a dispensing apparatus, which can effectively avoid contamination with dust or impurities during operation. The dispensing apparatus comprises: a first track component and a second track component, the first track component and the second track component being arranged in parallel, and being configured to carry an electronic component to be processed; a first flow-guiding component and a second flow-guiding component, the first flow-guiding component being arranged at the top of the first track component, the second flow-guiding component being arranged at the top of the second track component, the first flow-guiding component having a first inner side part, the second flow-guiding component having a second inner side part, the first inner side part and the second flow-guiding component inner side part being arranged facing toward each other; wherein the first flow-guiding component has at least one first gas inlet and at least one first gas outlet in communication with each other, the at least one first gas inlet being configured to be in communication with a clean gas source, and the at least one first gas outlet being arranged at the first inner side part of the first flow-guiding component; the second flow-guiding component has at least one second gas inlet and at least one second gas outlet in communication with each other, the at least one second gas inlet being arranged at the second inner side part of the second flow-guiding component, and the at least one second gas outlet being configured to be in communication with a gas discharge motive power apparatus, so that clean gas can flow toward the at least one second gas inlet from the at least one first gas outlet, thereby forming a clean gas region above the electronic component to be processed. In the dispensing apparatus described above, the first flow-guiding component has at least one lead-out channel corresponding to the at least one first gas outlet respectively, the at least one lead-out channel being formed to extend into the interior of the first flow-guiding component from the at least one first gas outlet, and the height of the lead-out channel in a length direction perpendicular to the first track component gradually decreasing from the at least one first gas outlet toward the inside. In the dispensing apparatus described above, the at least one first gas outlet comprises multiple gas outlets and multiple lead-out channels corresponding to the multiple gas outlets respectively, the multiple gas outlets being distributed in a length direction of the first flow-guiding component. In the dispensing apparatus described above, the first flow-guiding component has a first accommodating cavity, the first accommodating cavity extending in a length direction of the first flow-guiding component and being in communication with the at least one first gas inlet and the at least one lead-out channel. In the dispensing apparatus described above, the distance between outer sides of the first and last of the multiple gas outlets in the length direction of the first flow-guiding component is greater than or equal to the length of an electronic component to be processed. In the dispensing apparatus described above, the second flow-guiding component has at least one lead-in channel corresponding to the at least one second gas inlet, the at least one lead-in channel being formed to extend into the interior of the second flow-guiding component from the second gas inlet, and the height of the at least one lead-in channel in a length direction perpendicular to the second track component gradually decreasing from the second gas inlet toward the inside. In the dispensing apparatus described above, the at least one second gas inlet comprises multiple gas inlets and multiple lead-in channels corresponding to the multiple gas in