CN212483769U

CN212483769U - Multifunctional blocker jig

Info

Publication number: CN212483769U
Application number: CN202020884545.4U
Authority: CN
Inventors: 苏宝军
Original assignee: Dongguan Lianwei Electronic Co ltd
Current assignee: Dongguan Lianwei Electronic Co ltd
Priority date: 2020-05-23
Filing date: 2020-05-23
Publication date: 2021-02-05
Anticipated expiration: 2030-05-23

Abstract

The utility model belongs to the technical field of PCB circuit board jigs, in particular to a multifunctional blocker jig which comprises an installation mechanism and a detection mechanism, wherein the installation mechanism is provided with a detection station for placing a PCB circuit board; detection mechanism is including compressing tightly subassembly, test resistance, switch module and probe subassembly, it sets up to compress tightly the subassembly just is used for compressing tightly on the detection station PCB circuit board, the probe subassembly sets up the output that compresses tightly the subassembly just is used for detecting PCB circuit board, test resistance's quantity is two, two test resistance all sets up compress tightly the output of subassembly, all test resistance all with probe subassembly electric connection, the beneficial effects of the utility model reside in that: the convenient short circuit of short-circuit and PCB of short-circuit detection tool passes through the resistance, has improved this test fixture's practicality effectively, improves the production efficiency of enterprise.

Description

Multifunctional blocker jig

Technical Field

The utility model belongs to the technical field of the PCB circuit board tool, especially, relate to a multi-functional blocker tool.

Background

The PCB jig is generally divided into an upper part and a lower part, the PCB is clamped from two surfaces respectively, open circuit and open circuit of a PCB light plate are detected in a voltage adding mode, generally, whether a finished product produced by testing of a circuit board factory is qualified or not is judged, and the jig is used for large-batch circuit boards.

Among the prior art, compound tool is generally only used for the centre gripping, spacing PCB board, which comprises a body, be provided with the holding tank that is used for holding the PCB circuit board on this body, the diapire of holding tank is provided with the clearance hole that is used for keeping away empty test probe, the upper end of tool is provided with the stop gear who is used for spacing PCB circuit board, however, such structure can't provide convenience for detecting PCB through the resistance, lead to the compound tool among the prior art to have the limitation, can not short circuit is opened to short-circuit by itself to the short-circuit of short-term test tool simultaneously, lead to the result of adopting the PCB circuit board tool of this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multi-functional blocker tool, the compound tool that aims at solving among the prior art has the limitation, can not itself open the short circuit by the short-circuit of short-term test tool simultaneously, technical problem.

In order to achieve the above object, an embodiment of the present invention provides a multifunctional blocker fixture, which includes an installation mechanism and a detection mechanism; the mounting mechanism is provided with a detection station for placing the PCB; the detection mechanism comprises a pressing assembly, a test resistor, a switch assembly and a probe assembly, wherein the pressing assembly is arranged on the detection station and used for pressing the PCB, the probe assembly is arranged at the output end of the pressing assembly and used for detecting the PCB, the number of the test resistors is two, the test resistors are all arranged at the output end of the pressing assembly, and all the test resistors are electrically connected with the probe assembly.

Optionally, installation mechanism includes bottom plate, guide assembly and portal frame, the portal frame sets up on the bottom plate, two stands of portal frame set up respectively detect the station both ends, the crossbeam of portal frame is located detect the top of station, guide assembly follows the length direction setting of two stands of portal frame, compress tightly the subassembly setting and be in on the crossbeam of portal frame, compress tightly the output and the guide assembly sliding connection of subassembly.

Optionally, the guide assembly includes first guiding axle, second guiding axle, first mount pad and second mount pad, first mount pad with the second mount pad sets up respectively on two stands of portal frame, the one end of first guiding axle with first mount pad fixed connection, the other end of first guiding axle with bottom plate fixed connection, the one end of second guiding axle with second mount pad fixed connection, the other end of second guiding axle with bottom plate fixed connection, the output sliding connection that compresses tightly the subassembly in first guiding axle with between the second guiding axle.

Optionally, the guide assembly further comprises a connecting seat, a third guide shaft and a fourth guide shaft, one end of the third guide shaft and one end of the fourth guide shaft are respectively and fixedly connected with the bottom plate, two ends of the connecting seat are respectively and fixedly connected with the other end of the third guide shaft and the other end of the fourth guide shaft, the third guide shaft and the fourth guide shaft are arranged along the length direction of the first guide shaft, and the third guide shaft and the fourth guide shaft are respectively and slidably matched with the output end of the pressing assembly.

Optionally, compress tightly the subassembly and include clamp plate, connecting block, swing arm, pivot and handle, the pivot is rotated and is connected on the portal frame, the one end of pivot extends to the outside of portal frame, the tip of handle with the pivot extends to the tip fixed connection in the portal frame outside, the clamp plate with first guiding axle with the sliding adaptation of second guiding axle, the connecting block is fixed to be set up the upper end of clamp plate, be provided with the guide way on the connecting block, the one end of swing arm with pivot fixed connection, the other end of swing arm with the sliding adaptation of guiding axle.

Optionally, the number of the connecting blocks and the number of the swing arms are two, the two connecting blocks are respectively arranged at two ends of the pressing plate, and the two swing arms are respectively matched with the corresponding guide grooves in a sliding mode.

Optionally, a connecting rod for synchronizing motion states of the two groups of swing arms is arranged between the two groups of swing arms.

Optionally, a reinforcing rib for enhancing the structural strength of the portal frame is arranged on the upright post of the portal frame.

Optionally, the probe assembly comprises an installation base plate and a plurality of groups of test needles, the installation base plate is arranged at the output end of the compression assembly, and the plurality of groups of test needles are uniformly arranged at the bottom of the installation base plate; the mounting base plate comprises a plurality of layers of fiber plates, the number of the fiber plates is eight, a layering block is arranged between every two adjacent layers of the fiber plates, all the layering blocks are arranged on the fiber plates and penetrate through the mounting holes of the fiber plates and are used for fixing the test needles.

The embodiment of the utility model provides an above-mentioned one or more technical scheme in the multi-functional blocker tool have one of following technological effect at least: when the fixture is used, the probe assembly is abutted against pins of a PCB (printed circuit board) placed on the body, the probe assembly is electrified, and a current signal flows through the output end of the pressing assembly, the test resistor, the probe and the PCB, so that the open-short circuit condition of the fixture body can be obtained, and the passing resistance value of the PCB can be obtained through simple calculation; compared with the composite jig in the prior art, the composite jig has limitation, can not rapidly detect the open/short circuit of the jig, and leads to the general technical problem of the using effect of the PCB jig adopting the structure.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is the embodiment of the utility model provides a multifunctional blocker fixture's schematic structure diagram.

Fig. 2 is a schematic structural diagram of the probe assembly in fig. 1.

Wherein, in the figures, the respective reference numerals:

10-installation mechanism 20-detection mechanism 21-pressing component

22-test resistor 23-probe assembly 12-guide assembly

13-gantry 121-first guide shaft 122-second guide shaft

123-first mounting seat 124-second mounting seat 125-connecting seat

126-third guide shaft 127-fourth guide shaft 211-pressing plate

212-connecting block 213-swing arm 214-rotating shaft

215-handle 216-connecting rod 231-mounting backing plate

232-test needle 11-base plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1-2 are exemplary and intended to be used to illustrate embodiments of the present invention, and should not be construed as limiting the invention.

In the description of the embodiments of the present invention, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings, which is only for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element so indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as fixed or detachable connections or as an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In one embodiment of the present invention, as shown in fig. 1-2, a multifunctional blocker fixture is provided, which includes a mounting mechanism 10 and a detection mechanism 20; the mounting mechanism 10 is provided with a detection station for placing a PCB; the detection mechanism 20 comprises a pressing component 21, a test resistor 22, a switch component and a probe component 23, wherein the pressing component 21 is arranged on the detection station and used for pressing the PCB, the probe component 23 is arranged at the output end of the pressing component 21 and used for detecting the PCB, the number of the test resistors 22 is two, the two test resistors 22 are arranged at the output end of the pressing component 21, and all the test resistors 22 are electrically connected with the probe component 23.

Specifically, when the jig is used, the probe assembly 23 is abutted against pins of a PCB (printed circuit board) placed on the body, the power is supplied, and a current signal flows through the output end of the pressing assembly 21, the test resistor 22, the probe and the PCB, so that the open-short circuit condition of the jig body can be obtained, and the passing resistance value of the PCB can be obtained through simple calculation; compared with the composite jig in the prior art, the composite jig has limitation, can not rapidly detect the open/short circuit of the jig, and leads to the general technical problem of the using effect of the PCB jig adopting the structure.

As shown in fig. 1-2, in another embodiment of the present invention, the mounting mechanism 10 includes a bottom plate 11, a guiding assembly 12 and a portal frame 13, the portal frame 13 is disposed on the bottom plate 11, two columns of the portal frame 13 are respectively disposed at two ends of the detection station, a beam of the portal frame 13 is located above the detection station, the guiding assembly 12 is disposed along a length direction of the two columns of the portal frame 13, the pressing assembly 21 is disposed on the beam of the portal frame 13, and an output end of the pressing assembly 21 is slidably connected to the guiding assembly 12; specifically, the gantry 13 structure is adopted to install the pressing component 21, and the movable area formed by the gantry 13 structure just corresponds to the space required by the detection process, so that the installation simplicity of the pressing component 21 is improved, and the manufacturing efficiency of the composite jig is further improved.

As shown in fig. 1-2, in another embodiment of the present invention, the guiding assembly 12 includes a first guiding axle 121, a second guiding axle 122, a first mounting seat 123 and a second mounting seat 124, the first mounting seat 123 and the second mounting seat 124 are respectively disposed on two columns of the gantry 13, one end of the first guiding axle 121 is fixedly connected to the first mounting seat 123, the other end of the first guiding axle 121 is fixedly connected to the bottom plate 11, one end of the second guiding axle 122 is fixedly connected to the second mounting seat 124, the other end of the second guiding axle 122 is fixedly connected to the bottom plate 11, and the output end of the compressing assembly 21 is slidably connected between the first guiding axle 121 and the second guiding axle 122; adopt direction subassembly 12 can guide effectively to compress tightly the output of subassembly 21 and move along the stand of portal frame 13, make the output that compresses tightly subassembly 21 can act on smoothly waiting to detect the PCB circuit board, effectively prevent PCB circuit board off normal when the test, improve detection effect.

As shown in fig. 1-2, in another embodiment of the present invention, the guiding assembly 12 further includes a connecting seat 125, a third guiding axle 126 and a fourth guiding axle 127, one end of the third guiding axle 126 and one end of the fourth guiding axle 127 are respectively fixedly connected to the bottom plate 11, two ends of the connecting seat 125 are respectively fixedly connected to the other end of the third guiding axle 126 and the other end of the fourth guiding axle 127, the third guiding axle 126 and the fourth guiding axle 127 are disposed along the length direction of the first guiding axle 121, and the third guiding axle 126 and the fourth guiding axle 127 are respectively slidably fitted to the output end of the pressing assembly 21; the guide mechanism is added, so that the mechanical vibration of the output end of the pressing assembly 21 during moving is further reduced, and the detection precision is improved.

As shown in fig. 1-2, in another embodiment of the present invention, the compressing assembly 21 includes a pressing plate 211, a connecting block 212, a swing arm 213, a rotating shaft 214 and a handle 215, the rotating shaft 214 is rotatably connected to the gantry 13, one end of the rotating shaft 214 extends to the outside of the gantry 13, an end of the handle 215 is fixedly connected to an end of the rotating shaft 214 extending to the outside of the gantry 13, the pressing plate 211 is slidably fitted to the first guide shaft 121 and the second guide shaft 122, the connecting block 212 is fixedly disposed at an upper end of the pressing plate 211, a guide groove is disposed on the connecting block 212, one end of the swing arm 213 is fixedly connected to the rotating shaft 214, and the other end of the swing arm 213 is slidably fitted to the guide shaft; the swing arm 213 cam-shaped structure is adopted, so that the handle 215, the rotating shaft 214 and the swing arm 213 form a labor-saving lever structure, the operation difficulty of the pressing assembly 21 is effectively reduced, the working efficiency of operators is improved, and the enterprise productivity is improved.

As shown in fig. 1-2, in another embodiment of the present invention, the number of the connecting blocks 212 and the number of the swing arms 213 are two, the two connecting blocks 212 are respectively disposed at two ends of the pressing plate 211, and the two swing arms 213 are respectively adapted to the corresponding guiding grooves in a sliding manner; adopt two sets of swing arms 213 and connecting block 212 structure, be favorable to improving the drive effect of swing arm 213, improve pivot 214 moment transmission, guarantee the smooth removal of clamp plate 211, improve the detection effect.

As shown in fig. 1-2, in another embodiment of the present invention, a connecting rod 216 for synchronizing the motion states of the two sets of swing arms 213 is disposed between the two sets of swing arms 213.

As shown in fig. 1-2, in another embodiment of the present invention, a reinforcing rib 131 for enhancing the structural strength of the portal frame 13 is disposed on the column of the portal frame 13, which is beneficial to prolonging the service life of the portal frame 13.

As shown in fig. 1-2, in another embodiment of the present invention, the probe assembly 23 includes a mounting plate 231 and a plurality of testing needles 232, the mounting plate 231 is disposed at the output end of the pressing assembly 21, the number of the testing needles 232 is multiple, and the plurality of testing needles 232 are uniformly disposed at the bottom of the mounting plate 231; the installation backing plate 231 includes the multilayer fibreboard, the quantity of fibreboard is eight, is provided with layer-stepping piece between the adjacent two-layer fibreboard, all be provided with the mounting hole on the fibreboard, layer-stepping piece run through in the mounting hole of fibreboard and be used for fixing test syringe needle 232.

Specifically, there is corresponding density in comparison in the universal machine at present and is four, six, eight close when to denser PCB circuit board, and the unable adaptation simultaneously of traditional PCB circuit board tool leads to the increase in quantity of tool, improves manufacturing cost, and the more and more technological problem that can't satisfy technical requirement of traditional tool, the embodiment of the utility model provides an adopt the dial structure of above-mentioned eight layers fibreboard, because of having increased the number of piles of fibreboard, can effectively be fixed in the jack of dial with the probe, consequently can cooperate general machinery adaptation in density be four, six, eight density's PCB circuit board, improved the practicality of this tool effectively, need not change the tool, promote efficiency of software testing.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A multi-functional blocker tool, its characterized in that includes:

the mounting mechanism is provided with a detection station for placing the PCB;

the detection mechanism comprises a pressing assembly, test resistors, a switch assembly and a probe assembly, wherein the pressing assembly is arranged on a detection station and used for pressing the PCB, the probe assembly is arranged at an output end of the pressing assembly and used for detecting the PCB, the number of the test resistors is two, the test resistors are all arranged at the output end of the pressing assembly, and all the test resistors are electrically connected with the probe assembly.

2. The multi-functional blocker fixture of claim 1, wherein: the installation mechanism comprises a bottom plate, a guide assembly and a portal frame, the portal frame is arranged on the bottom plate, two columns of the portal frame are respectively arranged at two ends of the detection station, a beam of the portal frame is positioned above the detection station, the guide assembly is arranged along the length direction of the two columns of the portal frame, the compression assembly is arranged on the beam of the portal frame, and the output end of the compression assembly is connected with the guide assembly in a sliding manner.

3. The multi-functional blocker fixture of claim 2, wherein: the guide assembly comprises a first guide shaft, a second guide shaft, a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are respectively arranged on two stand columns of the portal frame, one end of the first guide shaft is fixedly connected with the first mounting seat, the other end of the first guide shaft is fixedly connected with the bottom plate, one end of the second guide shaft is fixedly connected with the second mounting seat, the other end of the second guide shaft is fixedly connected with the bottom plate, and the output end of the compression assembly is slidably connected with the first guide shaft and the second guide shaft.

4. The multi-functional blocker fixture of claim 3, wherein: the guide assembly further comprises a connecting seat, a third guide shaft and a fourth guide shaft, one end of the third guide shaft and one end of the fourth guide shaft are fixedly connected with the bottom plate respectively, the two ends of the connecting seat are fixedly connected with the other end of the third guide shaft and the other end of the fourth guide shaft respectively, the third guide shaft and the fourth guide shaft are arranged along the length direction of the first guide shaft, and the third guide shaft and the fourth guide shaft are in sliding fit with the output end of the pressing assembly respectively.

5. The multi-functional blocker fixture of claim 3, wherein: compress tightly the subassembly and include clamp plate, connecting block, swing arm, pivot and handle, the pivot is rotated and is connected on the portal frame, the one end of pivot extends to the outside of portal frame, the tip of handle with the pivot extends to the tip fixed connection in the portal frame outside, the clamp plate with first guiding axle with the sliding adaptation of second guiding axle, the connecting block is fixed to be set up the upper end of clamp plate, be provided with the guide way on the connecting block, the one end of swing arm with pivot fixed connection, the other end of swing arm with the sliding adaptation of guiding axle.

6. The multi-functional blocker fixture of claim 5, wherein: the connecting blocks with the quantity of swing arm is two sets of, and is two sets of the connecting block sets up respectively the both ends of clamp plate, two sets of the swing arm respectively with correspond the guide way sliding fit.

7. The multi-functional blocker fixture of claim 6, wherein: and a connecting rod for synchronizing the motion states of the two groups of swing arms is arranged between the two groups of swing arms.

8. The multi-functional blocker fixture of claim 2, wherein: and reinforcing ribs for enhancing the structural strength of the portal frame are arranged on the upright columns of the portal frame.

9. The multifunctional blocker fixture of any one of claims 1-8, wherein: the probe assembly comprises an installation base plate and a plurality of groups of test needles, wherein the installation base plate is arranged at the output end of the compression assembly, and the plurality of groups of test needles are uniformly arranged at the bottom of the installation base plate;

the mounting base plate comprises a plurality of layers of fiber plates, the number of the fiber plates is eight, a layering block is arranged between every two adjacent layers of the fiber plates, all the layering blocks are arranged on the fiber plates and penetrate through the mounting holes of the fiber plates and are used for fixing the test needles.