CN215493695U

CN215493695U - Replace automatic test equipment's simple and easy test fixture

Info

Publication number: CN215493695U
Application number: CN202121238566.XU
Authority: CN
Inventors: 陈灿灿
Original assignee: Hubei Jiahe Electronic Co ltd
Current assignee: Hubei Jiahe Electronic Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2022-01-11
Anticipated expiration: 2031-06-03

Abstract

The utility model discloses a simple test fixture for replacing automatic test equipment, which relates to the field of automatic equipment and comprises an upper template and a lower template, wherein the upper template and the lower template are arranged in a relatively movable manner; the lower template is arranged on the needle plate through an elastic piece, so that the lower template can elastically and vertically move relative to the needle plate; a plurality of test needles communicated with an external tester are vertically fixed on the needle plate, clearance holes corresponding to the test needles one by one are formed in the lower template, and the test needles penetrate through the clearance holes when the lower template is close to the needle plate to test the PCBA on the lower template; through designing temporary replacement jig, when automatic test equipment breaks down, timely will test the thread and be connected to the simple and easy test jig that this scheme provided, realize the temporary replacement to automatic test equipment, guarantee the production of producing the line, avoid appearing the phenomenon that the output interrupts and influences the productivity.

Description

Replace automatic test equipment's simple and easy test fixture

Technical Field

The utility model relates to the field of automatic equipment, in particular to a simple test fixture for replacing automatic test equipment.

Background

PCBA is a short name for English Printed Circuit Board Assembly, that is, a PCB (Printed Circuit Board) blank is subjected to SMT (Surface Mounted Technology) loading and then to the whole process of DIP (dual in-line package). In an automatic production line for PCBA manufacturing process production, automatic test equipment is important equipment, and due to the fact that in the current test process, if abnormality occurs in the mechanical aspect or the test aspect, the on-site line can be stopped immediately, waiting of personnel is caused, capacity is insufficient, and delivery is affected.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides a new technical scheme, and designs a simple test fixture for temporarily replacing automatic test equipment, so that the normal production of a production line is ensured, and the phenomenon that the yield is influenced by the interruption of the production is avoided.

The specific scheme provided by the utility model is as follows:

a simple test fixture for replacing automatic test equipment comprises an upper template and a lower template, wherein the upper template and the lower template are arranged in a relatively movable manner; the lower template is arranged on the needle plate through an elastic piece, so that the lower template can elastically move vertically relative to the needle plate; the lower template is provided with a plurality of clearance holes which are in one-to-one correspondence with the test needles, and the test needles penetrate out the clearance holes when being close to the needle plate to test the PCBA on the lower template.

Further, a needle sleeve is further mounted on the needle plate, and the test needle is mounted in the needle sleeve; the needle guard is used for facilitating the installation of the test needle.

Further, the elastic part is a spring, and the spring is arranged between the lower template and the needle plate.

Furthermore, a limiting part is further arranged between the lower template and the needle plate, and the limiting part is used for limiting the elastic movement range of the lower template relative to the needle plate.

Furthermore, the limiting part is a limiting bolt, the lower die plate is fixed on the needle plate in a penetrating mode through the limiting bolt, and the spring is sleeved on the limiting bolt and located between the lower die plate and the needle plate.

Further, the up end of lower bolster still is equipped with the round pin post, the round pin post is used for cooperating in order to realize with the locating hole on the PCBA board the quick location of PCBA board.

Furthermore, a plurality of independent press rods are arranged on the end face, facing the lower template, of the upper template, and the upper template is fixedly located on the PCBA board on the lower template through the press rods.

Furthermore, the upper template is made of transparent materials.

Furthermore, the simple test fixture further comprises a manual pressing clamp, the manual pressing clamp comprises a pressing rod and a connecting rod assembly used for adjusting the pressing rod to move up and down, one end of the pressing rod is fixed on the upper template, and the other end of the pressing rod is hinged to the connecting rod assembly.

Furthermore, simple and easy test fixture still includes workstation and support frame, the faller is placed on the workstation, link assembly passes through the mount pad to be fixed on the support frame.

The beneficial effect that adopts this technical scheme to reach does:

through designing temporary replacement jig, when automatic test equipment breaks down, timely will test the thread and be connected to the simple and easy test jig that this scheme provided, realize the temporary replacement to automatic test equipment, guarantee the production of producing the line, avoid appearing the phenomenon that the output interrupts and influences the productivity.

Drawings

Fig. 1 is a side view structural diagram of a jig with a handle in a raised state.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a side view of the upper die plate moved by operating the handle.

Fig. 4 is a side view of the upper mold plate pressing the lower mold plate.

Fig. 5 is a partially enlarged view of B in fig. 4.

Fig. 6 is a front plan view in the state of fig. 4.

Wherein: 10 upper templates, 11 press bars, 20 lower templates, 21 pins, 30 needle plates, 31 elastic parts, 32 limiting parts, 41 press rods, 42 connecting rod assemblies, 43 guide rods, 100 workbenches and 200 support frames.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model.

This embodiment provides a replace automatic test equipment's simple and easy test fixture, through utilizing this simple and easy test fixture, replaces this automatic test equipment when the automatic test equipment that produces the line breaks down and needs the maintenance to reach the production of guaranteeing to produce the line, avoid appearing the condition of stopping the line.

Specifically, referring to fig. 1 to 5, the simple test fixture designed in the present scheme includes an upper template 10 and a lower template 20, where the upper template 10 and the lower template 20 are relatively movably disposed, and the relatively movable means that the upper template 10 may be close to the lower template 20, so as to test a PCBA board placed on the lower template 20.

The simple test fixture further comprises a needle plate 30, the lower template 20 is arranged on the needle plate 30 through an elastic piece 31, so that the lower template 20 can elastically move vertically relative to the needle plate 30; a plurality of test needles communicated with an external tester (not shown) are vertically fixed on the needle plate 30, clearance holes corresponding to the test needles one to one are formed in the lower template 20, and the test needles penetrate through the clearance holes when the lower template 20 is close to the needle plate 30 to test the PCBA (printed circuit board assembly) placed on the lower template 20.

The specific installation steps and operations can be summarized as follows:

the first step is as follows: a needle board 30 is provided, and a plurality of test needles communicating with an external tester (not shown) are fixed on the needle board 30;

the second step is that: installing a lower template 20, adjusting the lower template 20 to enable the clearance holes on the lower template 20 to be in one-to-one correspondence with the test needles, and installing an elastic piece 31 between the lower template 20 and the needle plate 30 to enable the lower template 20 to be elastically connected with the needle plate 30;

the third step: installing an upper template 10, and arranging the upper template 10 right above a lower template 20;

the fourth step: placing a PCBA board to be tested on the lower template 20, enabling the upper template 10 to gradually abut against the PCBA board in a descending mode, enabling the upper template 10 to continuously push the lower template 20 to start compressing the elastic piece 31 in the descending mode, enabling the spacing distance between the lower template 20 and the needle plate 30 to be shortened due to the compression of the elastic piece 31, enabling test needles on the needle plate 30 to gradually penetrate out of the clearance holes to be in contact with the PCBA board, and conducting a test circuit when the test needles are in contact with the PCBA board; thereby completing the test of the PCBA board, and the arrow direction in fig. 3 is the up-and-down moving direction of the upper board 10.

The fifth step: the upper template 10 ascends, and the PCBA board which is tested is taken down; a new untested PCBA is then placed and the fourth cycle is repeated.

Through utilizing above simple and easy test fixture, when automatic test equipment broke down, timely with the test thread of outer tester be connected to the simple and easy test fixture that this scheme provided, realize the temporary substitution to automatic test equipment, guarantee the production of producing the line, avoid appearing the phenomenon that the output was interrupted and is influenced the productivity.

In this embodiment, the needle plate 30 is further provided with a needle sleeve, and the test needle is arranged in the needle sleeve; the needle cover is used for facilitating installation of the test needle, and meanwhile, the needle cover can also protect the test needle to a certain degree, so that the damage probability of the test needle is reduced.

In the present embodiment, referring to fig. 2, for convenience of installation, the elastic member 31 is a spring provided between the lower plate 20 and the needle plate 30; namely, the elastic connection between the lower die plate 20 and the needle plate 30 is realized by a spring.

In this embodiment, a limiting member 32 is further disposed between the lower template 20 and the needle plate 30, and the limiting member 32 is used for limiting an elastic moving range of the lower template 20 relative to the needle plate 30.

Optionally, the limiting part 32 is a limiting bolt, the limiting bolt penetrates through the lower template 20 and is fixed on the needle plate 30, and the spring is sleeved on the limiting bolt and is located between the lower template 20 and the needle plate 30.

It can be understood that, referring to fig. 5, the limit bolt includes a head and a screw, a spring is disposed between the lower mold plate 20 and the needle plate 30, and the limit bolt controls the elastic movement range of the spring, so that the lower mold plate 20 moves within a preset range; the purpose of adjusting the moving range of the lower template 20 can be achieved by adjusting the limiting bolts, so that an operator can conveniently adjust the lower template according to actual conditions.

In this embodiment, referring to fig. 2 and 5, the upper end surface of the lower template 20 is further provided with a pin 21, and the pin 21 is used for cooperating with a positioning hole on the PCBA board to realize quick positioning of the PCBA board.

When placing the PCBA board on lower bolster 20 promptly, carry out prepositioning through locating hole on round pin post 21 and the PCBA board to guarantee the quick placement of PCBA board.

In the embodiment, referring to fig. 1, 3-4, the upper board 10 is mainly used for pressing the PCBA board, so that the PCBA board can be stably attached to the lower board 20, and the test pin can be ensured to smoothly contact with the PCBA board to realize the test; a plurality of independent press rods 11 are arranged on the end surface of the upper template 10 facing the lower template 20, and the upper template 10 is fixed on the PCBA board on the lower template 20 through the press rods 11.

The press bar 11 is specially arranged, so that the condition that the whole upper template 10 completely covers and is attached to the PCBA can be avoided; because there are some precision parts on the PCBA board, such parts cannot be pressed; therefore, the upper die plate 10 is provided with the press rod 11, so that the press rod 11 can act on the position capable of bearing pressure on the PCBA, the PCBA is effectively pressed, and meanwhile, the precision components on the PCBA are protected.

Optionally, the upper template 10 is made of a transparent material; the transparent material can be convenient for the operating personnel to observe, accurately holds the condition of pressing of cope match-plate pattern 10 to PCBA board.

In this embodiment, the upper mold plate 10 moves up and down through the manual pressing clamp, that is, the simple test fixture further includes the manual pressing clamp, the manual pressing clamp includes a pressing rod 41 and a connecting rod assembly 42 for adjusting the pressing rod 41 to move up and down, one end of the pressing rod 41 is fixed on the upper mold plate 10, and the other end of the pressing rod 41 is hinged to the connecting rod assembly 42.

The connecting rod assembly 42 comprises a handle, and when the die-casting die is used specifically, the pressing rod 41 can be pressed downwards by knocking down the handle, and the upper die plate 10 further descends; by lifting the handle, the press rod 41 can be lifted up, so that the upper template 10 is further lifted upwards, and the arrow direction in fig. 1 is the operation direction of the handle.

In this embodiment, the simple test fixture further includes a workbench 100 and a support frame 200, the needle plate 30 is placed on the workbench 100, and the connecting rod assembly 42 is fixed on the support frame 200 through a mounting seat.

Through setting up workstation 100 and support frame 200, guarantee the stability of whole tool operation, make things convenient for horizontal operation.

Optionally, referring to fig. 6, in order to further ensure the stability of the up-down movement of the upper mold plate 10, a guide rod 43 is further disposed in the support frame 200, the guide rod 43 penetrates through the upper mold plate 10, two ends of the guide rod 43 are fixed on the support frame 200, when the upper mold plate 10 is driven by the press rod 41 to move up and down, the upper mold plate 10 simultaneously slides up and down along the guide rod 43, and the guide rod 43 is disposed to guide and stabilize the upper mold plate 10.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. A simple test fixture for replacing automatic test equipment comprises an upper template (10) and a lower template (20), wherein the upper template (10) and the lower template (20) are arranged in a relatively movable manner; the lower template is characterized by further comprising a needle plate (30), wherein the lower template (20) is arranged on the needle plate (30) through an elastic piece (31) so that the lower template (20) can elastically move vertically relative to the needle plate (30); the test needle that is fixed with a plurality of and outer tester intercommunication on faller (30) vertically, set up on lower bolster (20) with the clearance hole of test needle one-to-one, the test needle is in lower bolster (20) are close to wear out when faller (30) clearance hole realizes placing PCBA board on lower bolster (20) is tested.

2. The simple testing jig of claim 1, wherein the needle plate (30) is further provided with a needle sleeve, and the testing needle is arranged in the needle sleeve; the needle guard is used for facilitating the installation of the test needle.

3. The simple testing jig of claim 1, wherein the elastic member (31) is a spring, and the spring is disposed between the lower template (20) and the needle plate (30).

4. The simple test fixture according to claim 3, wherein a limiting member (32) is further disposed between the lower template (20) and the needle plate (30), and the limiting member (32) is used for limiting an elastic movable range of the lower template (20) relative to the needle plate (30).

5. The simple test fixture according to claim 4, wherein the limiting member (32) is a limiting bolt, the limiting bolt is inserted into the lower template (20) and fixed on the needle plate (30), and the spring is sleeved on the limiting bolt and located between the lower template (20) and the needle plate (30).

6. The simple test fixture of claim 1, wherein the upper end surface of the lower template (20) is further provided with pins (21), and the pins (21) are used for being matched with positioning holes in a PCBA board to realize rapid positioning of the PCBA board.

7. The simple test fixture of claim 1, wherein a plurality of independent press bars (11) are arranged on the end surface of the upper template (10) facing the lower template (20), and the upper template (10) is fixed on the PCBA board on the lower template (20) through the press bars (11).

8. The simplified testing fixture according to claim 7, wherein the upper mold plate (10) is made of a transparent material.

9. The simple test fixture according to claim 8, further comprising a manual clamp, wherein the manual clamp comprises a pressure rod (41) and a connecting rod assembly (42) for adjusting the pressure rod (41) to move up and down, one end of the pressure rod (41) is fixed on the upper template (10), and the other end of the pressure rod (41) is hinged to the connecting rod assembly (42).

10. The simple test fixture of claim 9, further comprising a workbench (100) and a support frame (200), wherein the needle plate (30) is placed on the workbench (100), and the connecting rod assembly (42) is fixed on the support frame (200) through a mounting seat.