CN215728280U - Eight-time density composite jig - Google Patents

Abstract

The utility model discloses an octa-density composite jig which comprises an upper jig, a lower jig and two oxhorn, wherein each oxhorn is connected with the upper jig or the lower jig through a spring connecting wire; the middle plate is arranged between the needle plate and the wire plate, the middle plate is respectively connected with the needle plate and the wire plate through suspension screws, the wire plate is of a multilayer structure, the multilayer wire plates are connected through copper columns, one end of a spring wire is connected with the ox horn, and the other end of the spring wire penetrates through the wire plate and then is connected with the needle plate.

Description

Eight-time density composite jig

Technical Field

The utility model relates to a PCB measuring clamp technology, in particular to an eight-time density composite jig.

Background

The PCB board is called a printed circuit board, also called a printed circuit board or a printed circuit board, and is an important electronic component, the quality of the PCB board determines the quality of the electronic component to a large extent, and in the production process of the electronic product, the loss of cost caused by flaws is different in each stage, and the earlier the repair cost is found to be lower. In the production process of the PCB, the circuit board needs to be electrified and detected so as to find the board with the functional defects of the circuit as soon as possible and prevent the board from flowing into the next working procedure. Therefore, a jig is required to be used for testing the PCB, the jig is also called a testing frame and is a needle bed for testing electrical performance parameters of the PCB, and along with the continuous development of electronic products towards the trend of light, thin, short and small, the PCB is continuously moving towards the trend of higher density, finer spacing and more levels, and the requirements on the process are higher and higher; similarly, in the production process, defects in electrical properties such as short circuit, open circuit and electric leakage caused by external factors cannot be avoided, and bad plates cannot be screened out only by vision; if the defective board cannot be distinguished in time and is allowed to flow into the next process, more cost waste will be caused.

Therefore, in the process of producing the PCB, inspection is a very important part, and defects affecting functionality such as open circuit, short circuit, etc., which are not easily found visually, can be usually found by inspection. However, in the detection process of the PCB, the traditional composite jig is generally complex in structure, and the jig needs more raw materials for manufacturing, which affects the cost of manpower and material resources and causes loss to enterprises; therefore, it is necessary to provide an efficient and simple eight-times density composite jig to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the technology, the utility model aims to provide an efficient and simple eight-time density composite jig, and mainly solves the problems that the traditional composite jig wire coil is thin in spring connection, so that the spring elasticity is insufficient, the service life is short, the spring connection is easy to hang up, and the manpower and material resources cost is wasted, so that the jig manufacturing efficiency is improved, the manpower and material resources cost is reduced, and the use requirement of production is better met.

In order to achieve the purpose, the utility model provides an eight-time density composite jig which comprises an upper jig, a lower jig and two oxhorn, wherein each oxhorn is connected with the upper jig or the lower jig through a spring connecting line; be provided with the intermediate lamella between faller and the line board, the intermediate lamella adopts the suspension screw to be connected with faller and line board respectively, the line board has multilayer structure, adopts the copper post to link to each other between the multilayer line board, the one end of spring line links to each other with the ox horn, and the other end is connected with the faller after passing the line board.

Preferably, the needle plate is provided with a plurality of spliced poles all around, and the middle part position of needle plate is provided with the recess, be provided with the test interface in the recess, the inside printed circuit that is provided with of needle plate, the both ends of printed circuit are connected with spliced pole and test interface respectively.

Preferably, the suspension screws comprise male suspension screws and female suspension screws, the male suspension screws and the female suspension screws are respectively arranged at two sides of the middle plate and penetrate through holes in the middle plate to be connected together; the male suspension screw and the female suspension screw are of hollow structures, a bayonet matched with a spring connecting line is arranged in the female suspension screw, and a movable part is arranged on the outer side of the male suspension screw.

Preferably, the male suspension screw is provided with an external thread, the movable member is provided with an internal thread matched with the external thread, and the movable member is sleeved outside the male suspension screw and moves up and down along the male suspension screw.

Preferably, the connecting columns penetrate into the through holes of the intermediate plate to realize the connection between the intermediate plate and the needle plate

Preferably, one end of the spring connecting line is of a spring structure, the other end of the spring connecting line is of a lead, the spring structure is fixedly connected with the lead, a clamping head is arranged at the joint of the spring structure and the lead, and the size diameter of the clamping head is larger than that of the bayonet.

Preferably, the size of the spring structure is 0.6-0.8 mm.

Preferably, the bottom plate is an acrylic plate and is fixedly connected with the wire plate through a copper column;

the utility model has the beneficial effects that: compared with the prior art, the eight-time density composite jig has the advantages that the suspension screws capable of being adjusted up and down are arranged on the middle plate, so that the service life of the whole device can be effectively prolonged, the assembly is more convenient, and more specifically, the suspension screws are of hollow structures, so that after the spring connecting wires penetrate through the suspension screws, the spring structures are clamped in the suspension screws; after the spliced pole and the spring structure contact of faller to test the PCB board, and go up the suspension screw and be provided with the moving part, can realize the compression degree to the spring structure through the position of adjusting the moving part, and then reach the effect of convenient regulation, prolong the life of compound tool.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a diagram of the spring connecting line of the present invention;

FIG. 3 is a view of the suspension screw structure of the present invention;

fig. 4 is a view showing the structure of the lower suspension screw according to the present invention.

The main element symbols are as follows:

1. ox horn 2, bottom plate 3, line board 4, copper column 5, intermediate plate 6, suspension screw 7, needle board 8, PCB board

9. Spring connecting wire 61, male suspension screw 62, female suspension screw 63, clamping plate 64 and rotating piece

65. The movable piece 66, the bayonet 91, the spring structure 92 and the conducting wire.

Detailed Description

In order to more clearly describe the present invention, the present application is further described below with reference to the accompanying drawings.

Referring to fig. 1, the application discloses an eight-time density composite jig, which comprises an upper jig, a lower jig and two horn 1, wherein the horn 1 is provided with two horns, each horn 1 is connected with the upper jig or the lower jig through a spring connecting wire 9, the upper jig and the lower jig have the same structure and comprise a pin plate 7, a wire plate 3 and a bottom plate 2 which are sequentially arranged from top to bottom, and a test interface matched with a PCB (printed circuit board) 8 is arranged on the pin plate 7; be provided with intermediate lamella 5 between faller 7 and the line board 3, intermediate lamella 5 adopts suspension screw 6 to be connected with faller 7 and line board 3 respectively, and line board 3 has multilayer structure, adopts copper post 4 to link to each other between the multilayer line board, and the one end of spring line 9 links to each other 1 with the ox horn, and the other end is connected with faller 7 after passing line board 3. When the PCB is tested, the composite jig adopted in the market at present is used for detecting, so that whether the PCB has problems or not is found; be equipped with the test interface with PCB looks adaptation on the faller, thereby carry out the circular telegram to the PCB and detect, relevant data information passes through the spring line and transmits to ox horn, and ox horn is connected with external equipment, thereby give the analysis to data information, more specifically, this application is provided with the intermediate lamella, utilize the intermediate lamella to separate faller and line board, and be provided with and suspend the screw in midair and accomodate the spring line, and it is adjustable structure to suspend the screw, just can effectively realize the faller and suspend the screw in midair and contact, thereby carry out the transmission of information.

The needle plate 7 is provided with a plurality of spliced poles all around, and the middle part position of needle plate 7 is provided with the recess, is provided with the test interface in the recess, and the inside printed circuit that is provided with of needle plate 7, the both ends of printed circuit are connected with spliced pole and test interface respectively. In this embodiment, be provided with the recess with PCB board looks adaptation on the faller, can effectively fix the PCB board like this for the PCB board can not take place to shift in carrying out test procedure, is provided with printed circuit in the faller inside moreover, thereby is linked together test interface and spliced pole, thereby after the spliced pole contacts with the spring line, can transmit the information that test interface contacted.

One end of the spring connecting wire 9 is a spring structure 91, the other end is a lead 92, the spring structure 91 is fixedly connected with the lead 92, a clamping head is arranged at the joint of the spring structure 91 and the lead 92, and the size of the clamping head is larger than that of the bayonet. The diameter of the spring structure 91 is 0.6-0.8 mm. In this embodiment, the clip is provided, so that the fixation of the spring structure in the suspension screw can be effectively achieved, thereby ensuring the stability of the connection.

The suspension screws 6 comprise male suspension screws 61 and female suspension screws 62, the male suspension screws 61 and the female suspension screws 62 are respectively arranged at two sides of the middle plate 5 and connected together by penetrating through the through holes on the middle plate 5; the male suspension screw 61 and the female suspension screw 62 are hollow structures, a bayonet 66 matched with a spring connecting line is arranged in the female suspension screw 62, and a movable piece 65 is arranged outside the male suspension screw 62. The male suspension screw 61 is provided with an external thread, the movable member 65 is provided with an internal thread matched with the external thread, and the movable member 65 is sleeved outside the male suspension screw 61 and moves up and down along the male suspension screw 6. The connecting column extends into the through hole of the intermediate plate 5 to realize the connection of the intermediate plate 5 and the needle plate 7. In the specific implementation process, the male suspension screw and the female suspension screw penetrate through the through hole of the middle plate by adopting matched threads to be screwed and fixed together, the male suspension screw is provided with a rotating part 64, the female suspension screw is provided with a clamping and connecting plate 63, and both the rotating part and the clamping and connecting plate exceed the size of the through hole, so that the male suspension screw and the female suspension screw are respectively arranged at two sides of the middle plate; the male suspension screw is provided with a moving part which can move up and down along the male suspension screw, so that after a spring connecting line passes through the male suspension screw, a lead is connected with the ox horn, the spring structure is fixed in the female suspension screw, when a connecting column of the needle plate extends into the suspension screw, the spring structure is extruded, the connection is more stable, and the moving part can adjust the extrusion degree of the connecting column to the spring; and because after long-time use, the deformation ability of spring can descend to can constantly adjust the position of moving part, make the spliced pole can contact with the spring structure all the time, ensure to effectively detect, thereby reach increase of service life's effect.

The bottom plate 2 is an acrylic plate, and the bottom plate 2 is fixedly connected with the wire plate 3 through a copper column 4. In this embodiment, set up bottom plate and copper post to make things convenient for the line of walking of spring line, can not extrude the wire.

The above disclosure is only for a few specific embodiments of the present invention, but the present invention is not limited thereto, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.

Claims (8)

1. An eighty-time density composite jig comprises an upper jig, a lower jig and two oxhorn, wherein each oxhorn is connected with the upper jig or the lower jig through a spring connecting line; be provided with the intermediate lamella between faller and the line board, the intermediate lamella adopts the suspension screw to be connected with faller and line board respectively, the line board has multilayer structure, adopts the copper post to link to each other between the multilayer line board, the one end of spring line links to each other with the ox horn, and the other end is connected with the faller after passing the line board.

2. The jig according to claim 1, wherein the pin plate is provided with a plurality of connection posts around the pin plate, a groove is provided in the middle of the pin plate, a test interface is provided in the groove, a printed circuit is provided in the pin plate, and two ends of the printed circuit are respectively connected to the connection posts and the test interface.

3. The jig according to claim 1, wherein the suspension screws comprise male suspension screws and female suspension screws, the male suspension screws and the female suspension screws are respectively disposed on two sides of the middle plate and connected together by passing through the through holes on the middle plate; the male suspension screw and the female suspension screw are of hollow structures, a bayonet matched with a spring connecting line is arranged in the female suspension screw, and a movable part is arranged on the outer side of the male suspension screw.

4. The jig according to claim 3, wherein the male suspension screw has an external thread, the movable member has an internal thread adapted to the external thread, and the movable member is disposed outside the male suspension screw and moves up and down along the male suspension screw.

5. The jig of claim 2, wherein the connecting columns penetrate into the through holes of the intermediate plate to connect the intermediate plate with the needle plate.

6. The jig of claim 1, wherein one end of the spring connecting wire is a spring structure, the other end of the spring connecting wire is a conducting wire, the spring structure is fixedly connected with the conducting wire, a clamping head is arranged at the joint of the spring structure and the conducting wire, and the diameter of the clamping head is larger than that of the bayonet.

7. The jig of claim 6, wherein the spring structure has a diameter of 0.6-0.8 mm.

8. The jig of claim 1, wherein the base plate is an acrylic plate and is fixedly connected to the wire plate through copper posts.

Images