CN218213089U

CN218213089U - Flying needle machine clamping device

Info

Publication number: CN218213089U
Application number: CN202221786909.0U
Authority: CN
Inventors: 沈锋
Original assignee: Kunshan New Asia New Electronic Technology Co ltd
Current assignee: Kunshan New Asia New Electronic Technology Co ltd
Priority date: 2022-07-12
Filing date: 2022-07-12
Publication date: 2023-01-03
Anticipated expiration: 2032-07-12

Abstract

The utility model discloses a flying needle machine clamping device relates to PCB board test technical field, which comprises a frame body, sliding connection has the holding frame on the frame body, fixed mounting has adjusting motor on the frame body, adjusting motor's output fixed mounting has adjusting gear, the last meshing of adjusting gear has the regulation rack, adjusting rack fixed mounting is in the bottom of holding frame, install multiunit fixed establishment on the holding frame, fixed establishment includes actuating mechanism and two sets of supporting rod, supporting rod sliding connection is in the holding frame, each supporting rod is close to actuating mechanism's lateral wall and is provided with rack portion, rack portion and actuating mechanism meshing, the top fixed mounting of supporting rod has the grip block. The utility model discloses utilize actuating mechanism's rotation, make the meshing reciprocate in the supporting rod of actuating mechanism both sides, the motion opposite direction of two supporting rods to the grip block that makes on the supporting rod is close to from top to bottom, presss from both sides tight circuit board.

Description

Flying needle machine clamping device

Technical Field

The utility model belongs to the technical field of the PCB test, specifically be a flying probe machine clamping device.

Background

The flying probe tester is used for testing circuit boards and is divided into two categories, one category is used for testing PCBs, the other category is used for testing PCBAs, the flying probe tester for testing PCBs is an instrument for testing PCBs (printed circuit boards) with high element arrangement density, multiple layers, large wiring density and small measuring point distance, the insulation and conduction values of the circuit boards are mainly tested, the tester generally adopts a 'true value comparison positioning method', the testing process and fault points can be monitored in real time, the testing accuracy is ensured, and the flying probe tester for testing PCBAs mainly performs electrical tests on values, electrical characteristics and the like of electronic components;

when the flying probe machine is used for testing the circuit board, the circuit board needs to be clamped and fixed, and then the performance of the circuit board is detected through the flying probe machine, so that the accuracy of the detection of the flying probe machine is directly influenced by the fixing reliability of the fixing mechanism on the circuit board.

In order to overcome the defects, the technical personnel in the field actively innovate and research to create a flying probe machine clamping device.

SUMMERY OF THE UTILITY MODEL

Problem to prior art exists, the utility model provides a fly needle machine clamping device to solve the problem that the current clamping part that flies the needle machine that proposes in the above-mentioned background art can not be fine fixed PCB board.

In order to solve the technical problem, the utility model discloses a technical scheme be: the flying probe machine clamping device comprises a rack body, wherein a clamping frame is connected onto the rack body in a sliding mode, an adjusting motor is fixedly installed on the rack body, an adjusting gear is fixedly installed at the output end of the adjusting motor, an adjusting rack is meshed on the adjusting gear, the adjusting rack is fixedly installed at the bottom of the clamping frame, and a plurality of groups of fixing mechanisms are installed on the clamping frame;

the fixing mechanism comprises a driving mechanism and two groups of clamping rods, the clamping rods are slidably connected with the clamping frame, each clamping rod is close to the side wall of the driving mechanism and is provided with a rack portion, the rack portion is meshed with the driving mechanism, and a clamping plate is fixedly mounted at the top of each clamping rod. The clamping rods are driven to move through the driving mechanism, so that the circuit board is clamped by the clamping plates.

Further, waist round holes are formed in the surface of the clamping frame, a limiting rod is arranged on the back of the clamping rod, the limiting rod is inserted into the waist round holes, a limiting block is arranged at the tail end of the limiting rod, and one end of the limiting block is abutted to the clamping frame.

Furthermore, actuating mechanism includes step motor and drive gear, drive gear fixed mounting in step motor's output, drive gear with rack portion meshes, the holding rod is located drive gear's both sides, when step motor rotated, the holding rod motion direction of drive gear both sides was opposite to the tight circuit board of clamp.

Furthermore, the tail end of the clamping rod is fixedly provided with a spring, the clamping frame is provided with a limiting baffle, the limiting baffle is located under the spring, and when the clamping rod moves to the lowest position, the spring is abutted to the limiting baffle.

Furthermore, a positioning plate is inserted into the lower surface of the clamping plate, and a positioning needle is fixedly mounted on the positioning plate.

Furthermore, the number of the fixing mechanisms is three, and the distance between two adjacent fixing mechanisms is the same.

Furthermore, a cushion pad is detachably connected between the clamping plate and the positioning plate.

The beneficial effects of the utility model are that:

1. the utility model discloses a clamping device is provided with actuating mechanism and supporting rod, utilizes actuating mechanism's rotation, makes the meshing reciprocate in the supporting rod of actuating mechanism both sides, and the motion opposite direction of two supporting rods to make the grip block on the supporting rod be close to from top to bottom, the clamping circuit board, through step motor, the control supporting rod that the user can be accurate removes.

2. The utility model discloses a clamping plate surface is pegged graft and is had the locating plate, and in the pilot pin of installation on the locating plate can insert the locating hole of reserving on the circuit board, utilize the pilot pin to restrict the displacement of circuit board in the horizontal plane to guarantee the fixed column circuit board that the clamping plate can be stable, be provided with the blotter between locating plate and the clamping plate simultaneously, utilize the blotter to absorb the impact force.

The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made with reference to the preferred embodiments of the present invention and accompanying drawings.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of a part of the mechanism of the present invention;

fig. 3 is a schematic structural view of the fixing mechanism of the present invention;

fig. 4 is a mechanism schematic diagram of another view angle of the fixing mechanism of the present invention;

the parts in the drawings are numbered as follows:

the device comprises a frame body 1, a clamping frame 2, a waist circular hole 21, a limit baffle 22, an adjusting motor 3, an adjusting gear 4, an adjusting rack 5, a fixing mechanism 6, a driving mechanism 61, a clamping rod 62, a rack part 621, a limit rod 622, a limit block 623, a clamp plate 63, a positioning plate 64, a positioning pin 65, a cushion pad 66 and a spring 67.

Detailed Description

The following description is provided for illustrative embodiments of the present invention, and the advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure of the present invention. The present invention can also be implemented in other different ways, i.e. different modifications and changes can be made without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "front", "rear", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The embodiment is as follows: the utility model provides a flying probe machine clamping device, as shown in fig. 1 to fig. 2, includes frame body 1, sliding connection has holding frame 2 on the frame body, fixed mounting has adjusting motor 3 on the frame body, adjusting motor's output fixed mounting has adjusting gear 4, the last meshing of adjusting gear has adjusting rack 5, adjusting rack fixed mounting in the bottom of holding frame through adjusting motor's rotation, drives adjusting gear's rotation to the height of holding frame is adjusted in the ascending and decline of control adjusting rack, makes whole device can adapt to different test heights.

As shown in fig. 3 to 4, a plurality of groups of fixing mechanisms 6 are mounted on the clamping frame, the number of the fixing mechanisms is three, the distance between every two adjacent fixing mechanisms is the same, and the flying probe can test a plurality of groups of circuit boards simultaneously by arranging the plurality of groups of fixing mechanisms, so that the working efficiency is improved.

Fixed establishment includes actuating mechanism 61 and two sets of holding rod 62, actuating mechanism includes step motor and drive gear, drive gear fixed mounting in step motor's output, each the holding rod is close to actuating mechanism's lateral wall is provided with rack portion 621, drive gear with rack portion meshes, the holding rod is located drive gear's both sides, through drive gear's rotation, moves in the opposite direction of the holding rod of drive gear both sides, an upward movement, a downstream.

The supporting rod is connected with the supporting frame in a sliding mode, the waist round hole 21 has been seted up on the surface of supporting frame, the supporting rod back is provided with the gag lever post 622, the gag lever post is inserted and is located the waist round hole, the end of gag lever post is provided with stopper 623, the one end of stopper with the supporting frame is inconsistent, and stopper and supporting rod are located respectively the both sides of supporting frame, the top fixed mounting of supporting rod has grip block 63, is located the left grip block of drive gear in the below of supporting rod, is located the grip block on drive gear right side in the top of supporting rod, and when the supporting rod moved, two grip blocks were close to each other.

The lower surface of the clamping plate is inserted with a positioning plate 64, a positioning needle 65 is fixedly mounted on the positioning plate, the size of the positioning needle and the position of the positioning needle on the positioning plate are different according to the difference of positioning holes on the circuit board, and therefore the positioning needle can be inserted into the positioning hole on the circuit board when the two positioning plates are close to each other. A cushion pad 66 is detachably connected between the clamping plate and the positioning plate, a position avoiding hole is formed in the cushion pad, the cushion pad is firstly inserted into the clamping plate, and then the positioning plate is inserted into the clamping plate.

The end fixed mounting of supporting rod has spring 67, be provided with limit baffle on the holding frame, limit baffle is located under the spring, works as when the supporting rod moved to the extreme lower position, the spring with limit baffle is inconsistent.

The utility model discloses a working process and theory of operation as follows:

when the clamping device is used, the height of the clamping frame is adjusted through rotation of the adjusting motor, so that the detection mechanism of the flying pin machine can be flush with the fixing mechanism, the appropriate positioning plates are inserted into the surfaces of the clamping plates according to different circuit boards detected as required, then the stepping motor is started, and the two positioning plates are close to each other through rotation of the stepping motor, so that the circuit boards are clamped.

The above is only the embodiment of the present invention, not so above only is the embodiment of the present invention, not so limiting the patent scope of the present invention, all of which utilize the equivalent structure made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, all of which are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a flying probe machine clamping device which characterized in that: the clamping mechanism comprises a rack body, wherein a clamping frame is connected to the rack body in a sliding manner, an adjusting motor is fixedly mounted on the rack body, an adjusting gear is fixedly mounted at the output end of the adjusting motor, an adjusting rack is meshed with the adjusting gear, the adjusting rack is fixedly mounted at the bottom of the clamping frame, and a plurality of groups of fixing mechanisms are mounted on the clamping frame;

the fixing mechanism comprises a driving mechanism and two groups of clamping rods, the clamping rods are slidably connected with the clamping frame, each clamping rod is close to the side wall of the driving mechanism and is provided with a rack portion, the rack portion is meshed with the driving mechanism, and a clamping plate is fixedly mounted at the top of each clamping rod.

2. The flying needle machine holding device of claim 1, wherein: waist round hole has been seted up on the surface of supporting frame, the supporting rod back is provided with the gag lever post, the gag lever post is inserted and is located waist round hole, the end of gag lever post is provided with the stopper, the one end of stopper with the supporting frame is inconsistent.

3. The flying needle machine holding device of claim 1, wherein: actuating mechanism includes step motor and drive gear, drive gear fixed mounting in step motor's output, drive gear with rack portion meshes, the holding rod is located drive gear's both sides.

4. The flying probe clamping device of claim 1, wherein: the clamping device comprises a clamping rod and is characterized in that a spring is fixedly mounted at the tail end of the clamping rod, a limiting baffle is arranged on a clamping frame and located under the spring, and when the clamping rod moves to the lowest position, the spring is abutted to the limiting baffle.

5. The flying probe clamping device of claim 1, wherein: the lower surface of the clamping plate is inserted with a positioning plate, and a positioning needle is fixedly mounted on the positioning plate.

6. The flying needle machine holding device of claim 1, wherein: the number of the fixing mechanisms is three, and the distance between every two adjacent fixing mechanisms is the same.

7. The flying needle machine holding device of claim 5, wherein: a cushion pad is detachably connected between the clamping plate and the positioning plate.