CN113625152A

CN113625152A - Automatic function test equipment for PCB

Info

Publication number: CN113625152A
Application number: CN202110797985.5A
Authority: CN
Inventors: 周振涛; 张勇; 金建平
Original assignee: Suzhou Appreciate Intelligent Technology Co Ltd
Current assignee: Suzhou Appreciate Intelligent Technology Co Ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-11-09

Abstract

The invention discloses automatic function test equipment for a PCB (printed circuit board). The equipment comprises a rack, an assembly line, an ejection mechanism, a mounting rack, a carrying mechanism, test fixtures and a test adjustment mechanism, wherein the assembly line is installed on one side of the top of the rack, a plurality of ejection mechanisms are installed below the assembly line side by side, the mounting rack is installed on the other side of the top of the rack, the carrying mechanism is installed on the side face of the mounting rack and located above the assembly line, a plurality of test fixtures are installed on the top of the rack side by side, and a plurality of test adjustment mechanisms are installed on the mounting rack side by side and located directly above each test fixture respectively. The automatic PCB function test equipment can automatically test the functions of PCB products, is suitable for PCB products of various models, reduces the consumption of manpower and material resources, improves the test efficiency, reduces potential safety hazards possibly caused by human factors, avoids defective products from passing the test as much as possible, and ensures the quality of the products.

Description

Automatic function test equipment for PCB

Technical Field

The invention relates to the field of electronic and electrical equipment, in particular to automatic function test equipment for a PCB (printed circuit board).

Background

A PCB (printed circuit board) is one of the most commonly used components in the field of electronics and electronics, and its function needs to be tested during the production and manufacturing process of the PCB. The existing test method is that an operator manually operates corresponding equipment to carry out test, on one hand, more manpower and material resources are consumed, and the test efficiency is low; on the other hand, the precision of manual operation testing is low, and defective products are easy to appear; in addition, when the PCB boards of different models are switched to be tested, the testing equipment needs to be manually adjusted, and the operation is complex, so that the testing efficiency is further reduced, and potential safety hazards possibly caused by human factors are improved.

Disclosure of Invention

In order to solve the problems, the invention provides automatic function testing equipment for a PCB.

According to an aspect of the present invention, there is provided a PCB board automatic function test apparatus including a chassis;

the assembly line is arranged on one side of the top of the rack;

the ejection mechanisms are arranged below the production line side by side;

the mounting rack is mounted on the other side of the top of the rack;

the conveying mechanism is arranged on the side surface of the mounting frame and is positioned above the assembly line;

the test fixtures are arranged on the top of the rack side by side and are all positioned right below the mounting rack;

and the test adjusting mechanisms are arranged on the mounting rack side by side and are respectively positioned right above the test fixtures.

The automatic PCB function test equipment can automatically test the functions of PCB products, is suitable for PCB products of various models, reduces the consumption of manpower and material resources, improves the test efficiency, reduces potential safety hazards possibly caused by human factors, and can avoid defective products from passing the test as much as possible, thereby ensuring the quality of the products.

In some embodiments, the housing is provided at the periphery and top with a cover on which a display device is mounted. Thus, the related structure of the machine frame is further described, the outer cover is used for protection and isolation, and the display device is used for displaying the detection condition.

In some embodiments, the assembly line comprises two parallel horizontal slide rails, the two horizontal slide rails are provided with transmission belts on opposite sides, and the bottom of each horizontal slide rail is supported by a plurality of support frames. Thus, a structure of a flow line is described for the transfer loading of products to be inspected.

In some embodiments, the support frame is provided with a driving motor and a transmission assembly, and the driving motor is matched with the transmission belt through the transmission assembly. Thus, the structure of the production line is further described, which is used for realizing the feeding function of the production line.

In some embodiments, the material ejecting mechanism comprises a horizontal plate, a material ejecting cylinder is installed at the bottom of the horizontal plate, a plurality of horizontal sliding blocks are installed at the top of the horizontal plate in a side-by-side sliding mode, and a plurality of vertical ejector rods are installed on the horizontal sliding blocks. Thus, the structure of the ejection mechanism is described for ejecting the products on the line onto the handling mechanism.

In some embodiments, the top of the mounting block is divided into a plurality of mounting zones, and each of the test adjustment mechanisms is mounted in a respective one of the mounting zones. Thus, the structure of the mounting frame is described for mounting the handling mechanism and the test adjustment mechanism.

In some embodiments, the carrying mechanism includes a horizontal sliding mechanism, a vertical lifting mechanism and a horizontal transferring mechanism, wherein the horizontal sliding mechanism is installed on the side of the mounting rack, the vertical lifting mechanism is installed on the side of the horizontal sliding mechanism, the horizontal transferring mechanism is installed on the bottom of the vertical lifting mechanism, and the vertical lifting mechanism is located right above the production line. Thus, a structure of a handling mechanism for handling a product onto a test fixture is described.

In some embodiments, the test fixture includes a base, a fixture plate is mounted on the base, and at least one processing station is disposed on the fixture plate. Thus, a structure of a test fixture is described for stable mounting of a product for testing using a test adjustment mechanism.

In some embodiments, the test adjustment mechanism includes an adjustment frame, the adjustment frame is installed on the mounting bracket, an upper test die is installed at the bottom of the adjustment frame, and a plurality of test heads are installed at the bottom of the upper test die. Thus, a structure of a test adjustment mechanism is described for testing the function of a product on a test fixture.

In some embodiments, a plurality of vertical positioning rods are disposed on a bottom surface of the test adjustment mechanism, and a plurality of positioning holes corresponding to the positioning rods are disposed on a top surface of the test fixture. Therefore, the test adjusting mechanism and the test fixture can be accurately butted through each positioning rod and each positioning hole, so that the stability and the accuracy of the test are ensured.

Drawings

Fig. 1 is a schematic structural diagram of an automatic function testing device for a PCB according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an internal structure of the PCB automatic function test device shown in FIG. 1;

FIG. 3 is a schematic diagram of the pipeline of FIG. 2;

FIG. 4 is a schematic structural diagram of the ejector mechanism shown in FIG. 2;

FIG. 5 is a schematic structural view of the mounting bracket shown in FIG. 2;

FIG. 6 is a schematic structural view of the handling mechanism shown in FIG. 2;

FIG. 7 is a schematic structural diagram of the test fixture shown in FIG. 2;

fig. 8 is a schematic structural diagram of the test adjustment mechanism shown in fig. 2.

In the figure: the test device comprises a rack 1, an assembly line 2, an ejection mechanism 3, a mounting frame 4, a carrying mechanism 5, a test fixture 6, a test adjusting mechanism 7, a product 8, an outer cover 11, a display device 12, a horizontal slide rail 21, a transmission belt 22, a support frame 23, a driving motor 24, a transmission assembly 25, a horizontal plate 31, an ejection cylinder 32, a horizontal slider 33, an ejector rod 34, an installation area 41, a horizontal sliding mechanism 51, a vertical lifting mechanism 52, a horizontal transfer mechanism 53, a base 61, a fixture plate 62, a processing position 63, a positioning hole 64, an adjusting frame 71, a test upper die 72, a test head 73 and a positioning rod 74.

Detailed Description

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

Fig. 1 schematically shows a structure of an automatic function test apparatus for a PCB according to an embodiment of the present invention, fig. 2 shows an internal structure of the automatic function test apparatus for a PCB of fig. 1 with an outer cover removed, fig. 3 shows a structure of a flow line of fig. 2, fig. 4 shows a structure of a liftout mechanism of fig. 2, fig. 5 shows a structure of a mounting bracket of fig. 2, fig. 6 shows a structure of a carrying mechanism of fig. 2, fig. 7 shows a structure of a test jig of fig. 2, and fig. 8 shows a structure of a test adjustment mechanism of fig. 2. As shown in fig. 1-8, the apparatus includes a frame 1, and other main structures, including a production line 2, an ejection mechanism 3, a mounting frame 4, a carrying mechanism 5, a testing fixture 6, a testing adjustment mechanism 7, etc., are all mounted on the frame 1. Wherein, the outer cover 11 is arranged on the periphery and the top of the frame 1, the outer cover 11 can protect and isolate each mechanism, and the outer cover 11 is provided with an operation panel and a display device 12 for operating the operation of the control equipment and displaying the corresponding data of the detection work.

In addition, supporting parts are installed at the corners of the bottom of the frame 1, and the supporting parts are composed of rollers and supporting legs which can be switched with each other.

The assembly line 2 is mounted on one of the sides of the top of the frame 1 and mainly comprises two parallel horizontal sliding rails 21, and the opposite sides of the horizontal sliding rails 21 are respectively provided with a transmission belt 22, so that a single or whole tray of products 8 can be horizontally moved along with the rotation of the transmission belts 22 when placed on the two transmission belts 22.

The bottom of each horizontal slide rail 21 is supported by a plurality of support brackets 23. And a driving motor 24 and a transmission assembly 25 are installed on the supporting frame 23, and the driving motor 24 is matched with the transmission belt 22 through the transmission assembly 25, that is, the driving motor 24 operates to drive the transmission belt 22 to rotate. The transmission assembly 25 may be composed of various transmission parts such as a belt pulley, a rotating shaft, and a gear, as long as the required transmission function is satisfied.

The ejector mechanism 3 has a plurality of parts, and is installed below the production line 2 side by side. The material ejecting mechanism 3 comprises a horizontal plate 31, an ejecting cylinder 32 is installed at the bottom of the horizontal plate 31, a plurality of horizontal sliding blocks 33 are installed at the top side by side in a sliding mode, and a plurality of vertical ejector rods 34 are installed on the horizontal sliding blocks 33. In the case of insufficient space, the ejector cylinder 32 and the like can extend into the inside of the frame 1, and the horizontal slider 33 can slide on the horizontal plate 31 to adjust the position of the ejector rod 34. When the material ejecting cylinder 32 operates, the horizontal plate 31 rises, and each ejector rod 34 can eject and rise the products 8 on the assembly line 2.

The mounting frame 4 is mounted on the top of the frame 1 on the opposite side of the flow line 2, with its upper part higher and its lower part empty. And a carrying mechanism 5 is installed at a side of the mounting frame 4, and the carrying mechanism 5 is located above the flow line 2.

The carrying mechanism 5 comprises a horizontal sliding mechanism 51, a vertical lifting mechanism 52 and a horizontal shifting mechanism 53, wherein the horizontal sliding mechanism 51 is arranged on the side surface of the mounting frame 4 and mainly comprises a transverse plate, a motor sliding table, a sliding rod and the like, and the vertical lifting mechanism 52 is arranged on the side surface of the horizontal sliding mechanism 51 and can slide along the horizontal sliding mechanism 51 in the horizontal direction, and the sliding direction of the vertical lifting mechanism is consistent with the extending direction of the production line 2.

The vertical lift mechanism 52 supports and slides, etc., which are themselves capable of sliding in a vertical direction. And the vertical lift mechanism 52 is located directly above the flow line 2.

The horizontal transfer mechanism 53 is mounted on the bottom of the vertical elevating mechanism 52, and a material carrying tray or the like is mounted thereon, and the material carrying tray can slide in the horizontal direction and can slide from directly above the line 2 to the lower part of the mounting frame 4.

In addition, a camera or the like may be mounted on the vertical lift mechanism 52 to position the products 8 on the line 2.

The test fixture 6 is provided with a plurality of test fixtures, is arranged on the top of the rack 1 side by side and is positioned in a hollow part right below the mounting rack 4. In addition, each test fixture 6 also corresponds to each liftout mechanism 3.

The test fixture 6 comprises a base 61, a fixture plate 62 is installed on the base 61, at least one machining position 63 is arranged on the fixture plate 62, the machining position 63 can be replaced in real time, the actual model and the actual size of the machining position can be set according to a product 8 to be tested, and the machining position can be used for a single product 8 or a whole tray of products 8.

The top of the mounting frame 4 is divided into a plurality of mounting areas 41, and the test adjustment mechanism 7 has a plurality of (the number of) mounting areas 41 is identical to that of the test jigs 6, and is respectively mounted in the mounting areas 41 of the mounting frame 4 and is respectively located right above the test jigs 6. Wherein, test guiding mechanism 7 includes alignment jig 71 of direct mount on mounting bracket 4, and mould 72 is gone up in the test is installed to the bottom of alignment jig 71, and a plurality of test heads 73 are installed to the bottom of mould 72 in the test, and test head 73 can test product 8 on test fixture 6.

In addition, a plurality of vertical positioning rods 74 are arranged on the bottom surface of the test adjusting mechanism 7, a plurality of positioning holes 64 are arranged on the top surface of the test fixture 6, and each positioning hole 64 corresponds to each positioning rod 74 respectively, so that accurate butt joint can be carried out in a matching manner.

When the device is used, a single or whole tray of products 8 is thrown onto the assembly line 2, and when the products 8 move to the position above the ejecting mechanism 3, the ejecting mechanism 3 ejects the products 8; then, all mechanisms of the conveying mechanism 5 operate until the horizontal transfer mechanism 53 moves to the product 8, and the product 8 is transferred to the test fixture 6; and finally, operating the testing adjusting mechanism 7 to test the products 8 on the testing jig 6, and receiving materials after the test is finished.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a PCB board automatic function test equipment which characterized in that: comprises that

A frame (1);

the assembly line (2) is mounted on one side of the top of the rack (1);

the ejection mechanisms (3) are arranged below the assembly line (2) in parallel;

the mounting rack (4), the mounting rack (4) is mounted on the other side of the top of the rack (1);

a conveying mechanism (5), wherein the conveying mechanism (5) is arranged on the side surface of the mounting frame (4) and is positioned above the production line (2);

the test fixtures (6) are arranged on the top of the rack (1) side by side and are all positioned right below the mounting rack (4);

and the test adjusting mechanisms (7) are arranged on the mounting rack (4) side by side and are respectively positioned right above the test jigs (6).

2. The PCB board automatic function test device of claim 1, wherein: the periphery and the top of frame (1) are provided with dustcoat (11), install display device (12) on dustcoat (11).

3. The PCB board automatic function test device of claim 1, wherein: the assembly line (2) comprises two parallel horizontal sliding rails (21), two transmission belts (22) are installed on the opposite side faces of the horizontal sliding rails (21), and the bottoms of the horizontal sliding rails (21) are supported through a plurality of supporting frames (23).

4. The PCB board automatic function test device of claim 3, wherein: the supporting frame (23) is provided with a driving motor (24) and a transmission component (25), and the driving motor (24) is matched with the transmission belt (22) through the transmission component (25).

5. The PCB board automatic function test device of claim 1, wherein: liftout mechanism (3) include a horizontal plate (31), an liftout cylinder (32) is installed to the bottom of horizontal plate (31), the top of horizontal plate (31) slidable mounting side by side has many horizontal slider (33), install many vertical ejector pins (34) on horizontal slider (33).

6. The PCB board automatic function test device of claim 1, wherein: the top of the mounting frame (4) is divided into a plurality of mounting areas (41), and the test adjusting mechanisms (7) are respectively mounted in the mounting areas.

7. The PCB board automatic function test device of claim 1, wherein: the carrying mechanism (5) comprises a horizontal sliding mechanism (51), a vertical lifting mechanism (52) and a horizontal transferring mechanism (53), wherein the horizontal sliding mechanism (51) is installed on the side surface of the mounting frame (4), the vertical lifting mechanism (52) is installed on the side surface of the horizontal sliding mechanism (51), the horizontal transferring mechanism (53) is installed at the bottom of the vertical lifting mechanism (52), and the vertical lifting mechanism (52) is located right above the production line (2).

8. The PCB board automatic function test device of claim 1, wherein: the test fixture (6) comprises a base (61), a fixture plate (62) is mounted on the base (61), and at least one machining position (63) is arranged on the fixture plate (62).

9. The PCB board automatic function test device of claim 1, wherein: test guiding mechanism (7) are including alignment jig (71), alignment jig (71) are installed on mounting bracket (4), mould (72) are gone up in the test is installed to the bottom of alignment jig (71), a plurality of test heads (73) are installed to the bottom of mould (72) in the test.

10. The PCB board automatic function test device of claim 1, wherein: the bottom surface of the test adjusting mechanism (7) is provided with a plurality of vertical positioning rods (74), and the top surface of the test jig (6) is provided with a plurality of positioning holes (64) corresponding to the positioning rods (74).