CN217560861U

CN217560861U - Portable vacuum detector

Info

Publication number: CN217560861U
Application number: CN202220618791.4U
Authority: CN
Inventors: 刘思丹; 樊会元; 李勇; 鲁雄; 彭伯华; 杜军红; 葛振纲
Original assignee: Longcheer Electronics Huizhou Co Ltd
Current assignee: Longcheer Electronics Huizhou Co Ltd
Priority date: 2022-03-21
Filing date: 2022-03-21
Publication date: 2022-10-11
Anticipated expiration: 2032-03-21

Abstract

The utility model discloses a portable vacuum detector, including casing, vacuum generator and vacuum display device, wherein vacuum generator mainly adopts external hose to be used for being connected with the vacuum inlet port of subsides dress working head, can be suitable for the subsides dress working head of different models, and it is efficient to detect convenient and fast, and vacuum display device adopts digital display vacuum negative pressure table to show vacuum, and the testing result is directly perceived, and this device still has to connect fast, the characteristics of easily accomodating.

Description

Portable vacuum detector

Technical Field

The utility model relates to a vacuum test technical field especially relates to a portable vacuum detector.

Background

A module type high-speed multifunctional chip mounter is used for mounting integrated circuit components on a PCB (printed circuit board) by using a high-speed mounting technology, wherein a mounting working head is one of the most key working components of the chip mounter. The vacuum adsorption function of the mounting working head is generally directly controlled by a mechanical valve of the mounting working head, and an O-shaped ring on the mechanical valve directly influences the vacuum degree of the mounting working head, so that the component suction and component mounting precision are influenced, and therefore the O-shaped ring of the mechanical valve needs to be regularly checked.

The existing detection method is to use a push-pull meter to carry out detection one by one, which is time-consuming and has no obvious reading, and needs to be matched with special jigs for mounting working heads of various types for detection, so research and development personnel in the field need to develop a new vacuum detector for mounting working heads to improve the detection efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, providing a portable vacuum detector, the device can general subsides dress working head of different models, and the testing result is directly perceived, has detection efficiency height, detects convenient and fast's advantage.

The purpose of the utility model is realized through the following technical scheme:

a portable vacuum testing apparatus comprising:

a housing;

the vacuum generator comprises at least one vacuum generator, at least one dust filter, an air source transmission assembly, a hose joint, an external hose and a plurality of vacuum air pipes, wherein the vacuum generator and the dust filter are arranged inside the shell, the hose joint is arranged outside the shell, the vacuum generator, the dust filter and the hose joint are sequentially connected through the vacuum air pipes, one end of the external hose is detachably mounted on the hose joint, the other end of the external hose is used for being connected with a vacuum air inlet of a mounting working head, and the air source transmission assembly is used for transmitting compressed air to the vacuum generator;

the vacuum degree display device comprises a digital display vacuum negative pressure gauge and a power supply assembly, and the power supply assembly provides power for the digital display vacuum negative pressure gauge.

Further, the digital display vacuum negative pressure gauge and the power supply assembly are arranged in the shell, the display surface of the digital display vacuum negative pressure gauge is arranged outside the shell, the digital display vacuum negative pressure gauge is communicated with the hose connector,

furthermore, the air source transmission assembly comprises a compressed air inlet interface, an air switch and a plurality of air inlet pipes, the compressed air inlet interface and the air switch are arranged outside the shell, the compressed air inlet interface, the air switch and the vacuum generator are connected through the air inlet pipes in sequence, and the air switch is used for controlling the on-off of compressed air.

Further, power supply module includes switching power supply, switch, power plug, a plurality of electric wires and external power source line, switching power supply sets up inside the casing, switch with power plug sets up the casing is outside, digital display vacuum negative pressure table, switching power supply, switch, power plug loop through the connection of electric lines, external power source line demountable installation be in on the power plug.

Furthermore, the portable vacuum detector comprises two vacuum generators, two dust filters and a plurality of three-way joints, wherein the two vacuum generators are connected with the two dust filters through the three-way joints.

Furthermore, the digital display vacuum negative pressure gauge and the hose connector are connected with the two dust filters through the three-way connector.

Furthermore, the hose connector, the compressed air inlet interface and the power plug are all quick-plug connectors.

Furthermore, the external hose and the external power line are contained in the shell when not in use.

Furthermore, the shell comprises a first shell part, a second shell part and a handle part, wherein the first shell part is hinged to one side of the second shell part, the other side of the first shell part is connected with the other side of the second shell part through a movable buckle, and the handle part is installed on the second shell part.

The utility model discloses compare in prior art's advantage and beneficial effect as follows:

the utility model relates to a portable vacuum detector, through setting up casing, vacuum generator and vacuum display device, wherein vacuum generator mainly adopts external hose to be used for being connected with the vacuum inlet port of subsides dress working head, can be suitable for the subsides dress working head of different models, it is efficient to detect convenient and fast, vacuum display device adopts digital display vacuum negative pressure table to show vacuum, the testing result is directly perceived, and this device still has structural design rationally, connects fast, the characteristics of easily accomodating.

Drawings

Fig. 1 is a schematic structural diagram of a portable vacuum detector according to an embodiment of the present invention;

FIG. 2 is a schematic view of the portable vacuum tester shown in FIG. 1 from another perspective;

fig. 3 is a schematic diagram of the internal structure of the portable vacuum detector shown in fig. 1.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1, 2 and 3, a portable vacuum testing apparatus 10 includes: the vacuum generator 200 comprises at least one vacuum generator 210, at least one dust filter 220, an air source transmission assembly 230, a hose connector 240, an external hose 250 and a plurality of vacuum air pipes, wherein the vacuum generator 210 and the dust filter 220 are arranged inside the shell 100, the hose connector 240 is arranged outside the shell 100, the vacuum generator 210, the dust filter 220 and the hose connector 240 are sequentially connected through the vacuum air pipes, one end of the external hose 250 is detachably mounted on the hose connector 240, the other end of the external hose 250 is used for being connected with a vacuum air inlet for mounting a working head, and the air source transmission assembly 230 is used for transmitting compressed air to the vacuum generator 210; the vacuum degree display device 300 comprises a digital display vacuum negative pressure gauge 310 and a power supply assembly 320, wherein the power supply assembly 320 supplies power for the digital display vacuum negative pressure gauge 310.

It should be noted that, the tradition adopts the push-pull meter to detect the vacuum performance who pastes the dress working head, the pressure head of push-pull meter needs to be changed to the subsides dress working head of different models, and external hose 250 is connected with the vacuum inlet hole of subsides dress working head in this application, can be applicable to the subsides dress working head of different models, the number of times of changing has been reduced, detection efficiency has been improved, furthermore, this application adopts vacuum generator 200 and vacuum display device 300 direct test to paste the vacuum of dress working head and shows the vacuum degree value at digital display vacuum negative pressure table 310, precision that detects than the push-pull meter is higher, this application carries out structural design with each spare part of vacuum generator 200 and vacuum display device 300 simultaneously, and set up in casing 100, compact and small, portable easy characteristics of accomodating.

Further, the digital display vacuum negative pressure gauge 310 and the power supply module 320 are disposed inside the casing 100, the display surface of the digital display vacuum negative pressure gauge 310 is disposed outside the casing 100, and the digital display vacuum negative pressure gauge 310 is communicated with the hose connector 240. In this way, the display surface of the digital display vacuum negative pressure gauge 310 allows visual observation of the vacuum degree data.

Referring to fig. 3, further, the air source transmission assembly 230 includes a compressed air inlet 231, an air switch 232 and a plurality of air inlet pipes, the compressed air inlet 231 and the air switch 232 are disposed outside the casing 100, the compressed air inlet 231, the air switch 232 and the vacuum generator 210 are connected in sequence through the air inlet pipes, and the air switch 232 is used for controlling on/off of the compressed air.

It should be noted that the present application uses compressed air as the power source for the vacuum generator 210, and therefore the air source transmission assembly 230 is required to be designed for transmitting the compressed air into the vacuum generator 210.

Further, the power supply assembly 320 comprises a switch power supply 321, a power switch 322, a power plug 323, a plurality of wires and an external power supply line, the switch power supply 321 is arranged inside the casing 100, the power switch 322 and the power plug 323 are arranged outside the casing 100, the digital display vacuum negative pressure gauge 310, the switch power supply 321, the power switch 322 and the power plug 323 are sequentially connected through the wires, and the external power supply line is detachably mounted on the power plug 323.

It should be noted that the power supply assembly 320 mainly provides power for the digital display vacuum negative pressure gauge 310, wherein the switch power source 321 plays a role of voltage stabilization, and the power switch 322 is used for controlling the on/off of the power.

Referring to fig. 3, further, the portable vacuum testing apparatus 10 includes two vacuum generators 210, two dust filters 220 and three-way joints 260, wherein the two vacuum generators 210 are connected to the two dust filters 220 through the three-way joints 260.

It should be noted that the two vacuum generators 210 can ensure that sufficient negative pressure is generated for detection, and the two vacuum generators 210 are connected with the two dust filters 220 through the three-way joint 260, so that negative pressure generated by the two vacuum generators 210 can be collected and distributed, and the negative pressure value is more stable.

Referring to fig. 3, further, the digital display vacuum negative pressure gauge 310 and the hose connector 240 are connected to the two dust filters 220 through a three-way connector 260.

It should be noted that the digital display vacuum negative pressure gauge 310 and the hose connector 240 are connected to the dust filter 220 through the three-way connector 260, and the same is to make the negative pressure more balanced, so that the negative pressure applied to the digital display vacuum negative pressure gauge 310 is closer to the negative pressure applied to the hose connector 240 (external hose 250), thereby improving the detection accuracy of the digital display vacuum negative pressure gauge 310 on the mounting work head.

Furthermore, the hose connector 240, the compressed air inlet 231 and the power plug 323 are all quick connectors.

It should be noted that the quick connector is the most convenient plug-and-play connection mode, especially connects very inconveniently at some trachea, under the space occasion of difficulty, more can embody the superiority of quick connector, and the outer joint in this application all adopts quick connector can make things convenient for quick development detection work to this improves vacuum test efficiency.

Further, the external connection hose 250 and the external connection power cord are both housed inside the case 100 when not in use. Therefore, the vacuum detector 10 can store all parts when not in use, and has the characteristics of convenience in arrangement and portability.

Further, the housing 100 includes a first housing portion, a second housing portion and a handle portion 110, one side of the first housing portion is hinged to one side of the second housing portion, the other side of the first housing portion is connected to the other side of the second housing portion by a movable buckle, and the handle portion 110 is mounted on the second housing portion. In this manner, the handle portion 110 facilitates movement of the vacuum detector, while the first and second housing portions are configured to be easily opened or closed.

Please refer to fig. 1 and fig. 2, further, in order to optimize the structure of the portable vacuum detector 10, and in order to make the structure of the portable vacuum detector 10 more simple and convenient to operate, the first housing portion includes a main side wall, a first side wall and a second side wall, the first side wall and the second side wall are respectively connected to two ends of the main side wall, wherein the compressed air inlet 231, the air switch 232 and the power plug 323 are sequentially arranged on the first side wall, the hose connector 240 is arranged on the second side wall, the display screen of the digital display vacuum negative pressure gauge 310 and the power switch 322 are arranged on the main side wall, so the structural design is simpler and more reasonable, and the operation is more convenient during vacuum detection.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A portable vacuum testing apparatus, comprising:

a housing;

the vacuum generator comprises at least one vacuum generator, at least one dust filter, an air source transmission assembly, a hose joint, an external hose and a plurality of vacuum air pipes, wherein the vacuum generator and the dust filter are arranged inside the shell, the hose joint is arranged outside the shell, the vacuum generator, the dust filter and the hose joint are sequentially connected through the vacuum air pipes, one end of the external hose is detachably arranged on the hose joint, the other end of the external hose is used for being connected with a vacuum air inlet of a mounting working head, and the air source transmission assembly is used for transmitting compressed air for the vacuum generator;

2. The portable vacuum testing apparatus according to claim 1, wherein the digital display vacuum negative pressure gauge and the power supply module are disposed inside the casing, a display surface of the digital display vacuum negative pressure gauge is disposed outside the casing, and the digital display vacuum negative pressure gauge is communicated with the hose connector.

3. The portable vacuum detector according to claim 2, wherein the air source transmission assembly comprises a compressed air inlet port, an air switch and a plurality of air inlet pipes, the compressed air inlet port and the air switch are arranged outside the housing, the compressed air inlet port, the air switch and the vacuum generator are connected in sequence through the air inlet pipes, and the air switch is used for controlling the on-off of compressed air.

4. The portable vacuum testing instrument according to claim 3, wherein the power supply assembly comprises a switching power supply, a power switch, a power plug, a plurality of wires and an external power supply line, the switching power supply is arranged inside the casing, the power switch and the power plug are arranged outside the casing, the digital display vacuum negative pressure gauge, the switching power supply, the power switch and the power plug are sequentially connected through the wires, and the external power supply line is detachably mounted on the power plug.

5. The portable vacuum testing apparatus according to claim 1, wherein the portable vacuum testing apparatus comprises two vacuum generators, two dust filters, and a plurality of three-way joints, and the two vacuum generators are connected to the two dust filters through one of the three-way joints.

6. The portable vacuum testing machine according to claim 5, wherein the digital display vacuum negative pressure gauge and the hose connector are connected with the two dust filters through a tee connector.

7. The portable vacuum testing apparatus according to claim 4, wherein said hose connector, said compressed air inlet, and said power plug are quick connectors.

8. The portable vacuum testing apparatus of claim 4, wherein said external hose and said external power cord are both received within said housing when not in use.

9. The portable vacuum testing apparatus according to claim 1, wherein said housing comprises a first housing portion, a second housing portion, and a handle portion, one side of said first housing portion and said second housing portion being hinged, the other side of said first housing portion and said second housing portion being connected by a movable snap-fit, said handle portion being mounted on said second housing portion.