CN220171118U

CN220171118U - Universal needle bed connecting mechanism for burning equipment

Info

Publication number: CN220171118U
Application number: CN202223044192.5U
Authority: CN
Inventors: 徐光明; 侯丽敏; 毛伟
Original assignee: Shanghai Guangse Intelligent Technology Co ltd
Current assignee: Shanghai Guangse Intelligent Technology Co ltd
Priority date: 2022-11-16
Filing date: 2022-11-16
Publication date: 2023-12-12
Anticipated expiration: 2032-11-16

Abstract

The utility model discloses a universal needle bed connecting mechanism for burning equipment, which comprises: the needle bed, the fixed needle plate module and the relay connecting wire plate group; the needle bed is provided with a plurality of probes, the arrangement of the probes is matched with the contact arrangement of the PCB to be burned, one ends of the probes are electrically connected with the contact of the PCB to be burned, and the other ends of the probes are electrically connected with the fixed needle plate module; one end of the fixed needle plate module, which is close to the relay connecting wire board group, is provided with a plurality of fixed probes, and the fixed probes are electrically connected with the relay connecting wire board group. According to the utility model, when the PCB of different types is replaced each time, the whole replacement work can be completed by only replacing the corresponding needle bed and the fixed needle plate module and then electrically connecting the fixed needle plate module with the relay connecting wire plate group, so that the replacement is more labor-saving, convenient and quick, and the installation and use cost is reduced.

Description

Universal needle bed connecting mechanism for burning equipment

Technical Field

The utility model belongs to the field of chip production, and particularly relates to a universal needle bed connecting mechanism for burning equipment.

Background

The needle bed of the existing automobile MCU chip burning equipment probe is designed into a needle bed structure according to the PCB makeup quantity, the size of a circuit board and a contact structure, all probes on the needle bed are contacted with contacts in the PCB, wires are directly connected to the lower surface of the needle bed to connect with a relay module, the needle bed is fixed on a lifting mechanism, and the needle bed moves up and down along with the lifting mechanism. In addition, the existing mounting plate, the needle bed is designed according to the PCB, one PCB corresponds to a pair of needle bed and mounting plate, so when other PCB burns need to be replaced in production, the whole group of modules need to be replaced completely, a large number of wires need to be reconnected, the mounting is very difficult and inconvenient, and the module manufacturing and mounting cost is very high.

Disclosure of Invention

The utility model aims to provide a universal needle bed connecting mechanism for burning equipment, which solves the technical problems of poor universality and high cost in the prior art.

In order to solve the problems, the technical scheme of the utility model is as follows:

a universal needle bed attachment mechanism for a burning device, comprising:

the needle bed, the fixed needle plate module and the relay connecting wire plate group;

the needle bed is provided with a plurality of probes, the arrangement of the probes is matched with the contact arrangement of the PCB to be burned, one ends of the probes are electrically connected with the contact of the PCB to be burned, and the other ends of the probes are electrically connected with the fixed needle plate module;

one end of the fixed needle plate module, which is close to the relay connecting wire board group, is provided with a plurality of fixed probes, and the fixed probes are electrically connected with the relay connecting wire board group;

the relay connecting wire board group is connected with an external relay and used for inputting burning signals.

Specifically, the needle bed and the fixed needle plate module are both plate-shaped structures, and the sizes of the needle bed and the fixed needle plate module are mutually matched; the needle bed is arranged above the fixed needle plate module, the probe of the needle bed extending out of the upper end face is used for being in fit connection with the PCB to be burned, and the probe of the needle bed extending out of the lower end face is used for being electrically connected with the fixed needle plate module.

Further preferably, the needle bed comprises a connecting plate, wherein the connecting plate is arranged between the needle bed and the fixed needle plate module, a square through hole is formed in the middle of the connecting plate, a connecting space is formed, and a probe is correspondingly connected with the fixed needle plate module in the connecting space; the opening size of the square through holes is larger than the probe arrangement range of the needle bed and the fixed probe arrangement range of the fixed needle plate module.

The screw holes in the vertical direction are formed in the periphery of the connecting plate and are used for being connected with the needle bed and the fixed needle plate module through bolts respectively.

Specifically, the upper end face of the relay connecting wire board group is provided with a contact matched with the fixed probe and used for being electrically connected with the fixed probe; the lower end face of the relay connecting wire board group is provided with a connecting port which is connected with an external relay and used for inputting burning signals.

Still preferably, the device further comprises a mounting plate connected with the lower end face of the relay connecting wire plate group and used for supporting the needle bed, fixing the needle plate module, the relay connecting wire plate group and the connecting plate.

Further preferably, the probe card further comprises a jacking component which is connected with the lower end face of the mounting plate and is used for vertically lifting or descending the mounting plate to drive the probe on the needle bed to be connected with the contact of the PCB to be burned.

By adopting the technical scheme, the utility model has the following advantages and positive effects compared with the prior art:

according to the utility model, the fixed probe fixing probes are arranged on the fixed needle plate upper module according to the maximum contacts required by the PCB, so that all the PCBs can be commonly used. The needle bed can be according to the contact condition of PCB board, and probe position is according to PCB board contact position design, at every turn changes different grade type PCB board, only needs to change corresponding needle bed and fixed faller module, then is connected fixed faller module and relay connecting wire board group electricity, just can accomplish whole change work, changes more laborsaving, convenient and fast, has reduced installation, use cost simultaneously.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model.

FIG. 1 is a block diagram of a universal needle bed connecting mechanism for a burning device according to the present utility model;

FIG. 2 is a schematic view of one mode of probe arrangement of the needle bed of the present utility model;

FIG. 3 is a schematic view showing another mode of the probe arrangement of the needle bed according to the present utility model;

FIG. 4 is a schematic view of a connection plate of the present utility model;

fig. 5 is a top view of the fixed needle plate module of the present utility model;

fig. 6 is a front view of the fixed needle plate module of the present utility model;

fig. 7 is a plan view of the relay connection line board set of the present utility model;

fig. 8 is a front view of the relay connection line board group of the present utility model.

Description of the reference numerals

1: a needle bed; 2: a connecting plate; 3: fixing the needle plate module; 4: a relay connection line board group; 5: a mounting plate; 6: and (5) a jacking assembly.

Detailed Description

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.

For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.

The following describes in further detail a universal needle bed 1 connection mechanism for a burning device according to the present utility model with reference to the drawings and the specific embodiments. Advantages and features of the utility model will become more apparent from the following description and from the claims.

Examples

Referring to fig. 1 to 8, the present embodiment provides a universal needle bed connecting mechanism for a burning device, which can be divided into: needle bed 1, fixed faller module 3 and relay connecting wire board group 4. The needle bed 1 is provided with probes for electrically connecting with contacts of a PCB to be burned. The fixed needle plate module 3 is also electrically connected with the probes of the needle bed 1, and plays a role in signal transmission. The relay connecting wire board group 4 is respectively and electrically connected with the external terminal connecting relay and the fixed needle board module 3 and is used for receiving and outputting a burning signal from the external side.

Specifically, referring to fig. 1 to 3, the needle bed 1 is disposed at the uppermost portion in the present embodiment, and is provided with a plurality of probes, and the arrangement of the probes of different needle beds 1 may be different, and selected according to actual use requirements, as shown in fig. 2 and 3. The selection of the needle bed 1 is matched with the contact setting of the PCB to be burnt, namely, the probes which need to extend out of the upper end face of the needle bed 1 can be electrically connected with the contacts of the PCB to be burnt in a one-to-one correspondence mode, and when the needle bed 1 is replaced, the needle bed 1 and the fixed needle plate module 3 are replaced without replacing the relay connecting wire plate group 4. In addition, the other end of the probe extends out of the lower end face of the needle bed 1 and is electrically connected with the contact on the fixed needle plate module 3.

Referring to fig. 1, 5 and 6, in the present embodiment, the fixed needle plate module 3 is disposed below the needle bed 1, a plurality of fixed probes are disposed on a downward end surface of the fixed needle plate module, the fixed probes are sequentially arranged in order to form a denser fixed probe group, and a contact corresponding to the fixed probes is disposed on another end surface of the fixed needle plate module 3. Therefore, it can adapt to and connect probes of different needle beds 1 arranged in various ways, and can be used for all PCBs. In addition, the needle bed 1 and the fixed needle plate module 3 are both plate-shaped structures, and the sizes of the needle bed 1 and the fixed needle plate module 3 are mutually matched.

Preferably, the needle bed further comprises a connecting plate 2, wherein the connecting plate 2 is arranged between the needle bed 1 and the fixed needle plate module 3, a square through hole is formed in the middle of the connecting plate 2, a connecting space is formed, and probes are correspondingly connected with contacts of the fixed needle plate module 3 in the connecting space. Therefore, the opening size of the square through hole is larger than the probe arrangement range of the needle bed 1 and the fixed probe arrangement range of the fixed needle plate module 3. In addition, the four sides of the connecting plate 2 are provided with vertical screw holes, and the screw holes are respectively connected with the needle bed 1 and the fixed needle plate module 3 by bolts from top to bottom.

Referring to fig. 1, 7 and 8, specifically, the outer side end of the lower end face of the relay connection wire board group 4 is provided with a terminal for electrical connection with the relay on the outer side; the upper end face of the relay connecting wire board group 4 is also provided with a contact which is electrically connected with the fixed probe of the relay connecting wire board group 4.

Referring to fig. 1, the relay connecting wire board assembly further comprises a mounting plate 5 which is fixedly connected with the lower end face of the relay connecting wire board assembly 4 through a connecting rod, is used for supporting the relay connecting wire plate group 4 and the needle bed 1, the connecting plate 2 and the fixed needle plate module 3 which are arranged above the relay connecting wire plate group. Preferably, the device further comprises a jacking component 6 connected with the lower end face of the mounting plate 5 and used for vertically lifting or descending the mounting plate 5 to drive the probes on the needle bed 1 to move in the vertical direction, so that the probes are connected with contacts of the PCB to be burned.

The embodiments of the present utility model have been described in detail with reference to the drawings, but the present utility model is not limited to the above embodiments. Even if various changes are made to the present utility model, it is within the scope of the appended claims and their equivalents to fall within the scope of the utility model.

Claims

1. A universal needle bed connecting mechanism for a burning device, comprising:

a plurality of fixed probes are arranged at one end, close to the relay connecting wire board group, of the fixed needle board module, and the fixed probes are electrically connected with the relay connecting wire board group;

2. The universal needle bed connecting mechanism for a burning apparatus according to claim 1, wherein the needle bed and the fixed needle plate module are both plate-like structures and are mutually adapted in size; the needle bed is arranged above the fixed needle plate module, the probe of the needle bed extending out of the upper end face is used for being connected with a PCB board to be burned in a fitting mode, and the probe of the needle bed extending out of the lower end face is used for being electrically connected with the fixed needle plate module.

3. The universal needle bed connecting mechanism for a burning device according to claim 1, further comprising a connecting plate, wherein the connecting plate is arranged between the needle bed and the fixed needle plate module, a square through hole is formed in the middle of the connecting plate, a connecting space is formed, and the probe is correspondingly connected with the fixed needle plate module in the connecting space;

the opening size of the square through holes is larger than the probe arrangement range of the needle bed and the fixed probe arrangement range of the fixed needle plate module.

4. The universal needle bed connecting mechanism for a burning device according to claim 3, wherein the screw holes in the vertical direction are formed around the connecting plate for being connected with the needle bed and the fixed needle plate module by bolts respectively.

5. The universal needle bed connecting mechanism for a burning device according to claim 1, wherein the upper end face of the relay connecting wire board set is provided with a contact matched with the fixed probe for electrical connection with the fixed probe; the lower end face of the relay connecting wire board group is provided with a connecting port which is connected with an external relay and used for inputting burning signals.

6. The universal needle bed connecting mechanism for a burning apparatus according to claim 3 or 4, further comprising a mounting plate connected to a lower end face of the relay connecting wire plate group for supporting the needle bed, the fixed needle plate module, the relay connecting wire plate group and the connecting plate.

7. The universal needle bed connecting mechanism for a burning device according to claim 6, further comprising a jacking component connected with the lower end surface of the mounting plate, for vertically lifting or lowering the mounting plate to drive the probes on the needle bed to be connected with contacts of a PCB board to be burned.