CN2457613Y

CN2457613Y - Automatic test clamp

Info

Publication number: CN2457613Y
Application number: CN 00260604
Authority: CN
Inventors: 吴连忠; 李永堂; 陈明正
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2000-11-27
Filing date: 2000-11-27
Publication date: 2001-10-31
Anticipated expiration: 2010-11-27

Abstract

The utility model relates to an automatic test clamp which has an opening / closing device. A cover body of the clamp can be independently opened and closed in an electric mode or a pneumatic mode when the utility model is not limited by other mechanisms, and a hook bottom and a hook claw which are respectively arranged at the cover body and the clamp are matched with each other; thus, the hook claw can be clamped with the hook bottom and can cause the hook bottom to be pulled downward when the cover body is closed; so the probes which are positioned at the cover body and the lower part of a PC board can be contacted with the PC board, and the PC board needs to be tested; thereby, the a connecting point can be tested, and the clamp automation is realized; so the work efficiency is raised, and the generation probability of the professional injury is decreased. The utility model is used for testing the connecting point of the PC board, and the utility model has the function that the cover body can be opened and closed automatically.

Description

Automatic test clamp

The utility model relates to a kind of Automatic test clamp, particularly relates to a kind of contact that is applied to detect on the PC plate, and the test fixture with automatic open close lid function, needs the back and forth action of keying lid in order to save the well-known operations personnel.

In computer line, after PC printed line road layout is finished, must to test each contact on the PC plate, after confirming to have or not short circuit, just can carry out the assembling operation of next workstation, testing the PC plate at present is to adopt a kind of manpower formula test fixture, is with this test result of manual mode of operation by operating personnel, wherein the structural representation of test fixture as shown in Figure 1, and operating personnel's operational motion is:

A. earlier to lift the lid 10 that opens anchor clamps and to make it remain on opening on the other hand;

B. place base 20 tops of anchor clamps with the take PC plate to be measured of predetermined quantity of another hand again;

C. with manual mode lid 10 is closed;

D. leave behind the on the other hand pull bar 40 in the anchor clamps outside with lid 10 and base 20 pressings, makes the tow sides that draw in the probe energy contact measured PC of lid 10 root edges and base 20 plate, and carries out test job;

E. operating personnel judge test result; And

F. earlier pull bar 40 is pulled on after test is finished, made lid 10 and no longer pressing of base 20, lift opening body 10 and make it remain on opening on the other hand again, another hand takes out tested PC plate, this moment is for keeping work efficiency, usually after placing certified products and unacceptable product respectively, i.e. and repeating step B.

Operating speed according to present production line, average operating personnel need do the action that opens and closes lid 10 for 4～5,000 times a working day, and except the action that opens and closes lid 10, also need pull on and leave behind pull bar 40, taking and putting measured PC plate, tested PC plate and watch many actions such as test result.

Therefore above-mentioned this kind manual test anchor clamps have following shortcoming:

(1) work efficiency reduces and the malfunction increase: because of the action that need make 4～5,000 times keying lid 10 working day of operating personnel, therefore operating personnel's fatigue strength is quite high, work efficiency curve straight line is descended, also cause the malfunction on the test jobs simultaneously easily.

(2) easily cause operating personnel's employment injuries:, easily cause the injury of operating personnel's arm tendon because of the action that need make 4～5,000 times keying lid 10 working day of operating personnel.

In view of this, the purpose of this utility model is to provide a kind of Automatic test clamp, and to save the well-known operations personnel open and close lid with manual mode action, increase work efficiency and reduction operating personnel employment injuries.

Another purpose of the present utility model is to provide a kind of Automatic test clamp, and the action that lid is contacted with the probe of base also becomes automated manner by known manual mode, so that the start of anchor clamps more tends to robotization, and then more increases operating personnel's facility.

Above-mentioned purpose of the present utility model is achieved in that a kind of Automatic test clamp, and it includes at least: a lid, its bottom surface have one first dials, have first probe on a plurality of correspondences PC printed line to be measured road on first dials; One base is connected in lid, and base has one can be installed with district, one second dials for what PC plate to be measured was installed with, be located at and be installed with the corresponding first dials part below the district, and second dials has second probe of a plurality of corresponding first probes; And a headstock gear, but it has rotating mechanism, the driving mechanism of a driven in rotation mechanism and the control element of a may command driving mechanism start that can rotation mode opens and closes lid; By above-mentioned composition, the operator can be by the operation control element, and with the duty of controlling and driving mechanism, and then driven in rotation mechanism opens and closes lid with rotation mode, thereby reaches the purpose of automatic open close lid.

Another purpose of the present utility model is achieved in that and cooperates aforementioned disclosed headstock gear, provide at least one group be equipped on respectively lid root edge and base and can engage mutually collude the end and collude pawl, when closing in order to the device that is open and close at lid, make and collude pawl and clamp and collude the end and will collude the end toward drop-down, so that be positioned at the probe energy contact measured PC plate of lid and base, to carry out test job.

Wherein for said structure can be operated smoothly, the spy sets several control elements at anchor clamps, in order to the start of controlling headstock gear, colluding the end and collude pawl, therefore according to said structure, no matter be will open and close lid or make actions such as whether first and second probe contacts, do not need to finish with manual mode again, but as long as can make anchor clamps finish above-mentioned action automatically by the operation control element, thus, not only can increase work efficiency and more can avoid operating personnel's employment injuries.

Below in conjunction with accompanying drawing shown in the embodiment, above-mentioned and other purposes, feature and advantage of the present utility model are described in further detail.

Fig. 1 is the structural representation of known anchor clamps;

Fig. 2 is the structural representation of Automatic test clamp first embodiment of the present utility model;

Fig. 3 is the structural representation of Automatic test clamp second embodiment of the present utility model;

The structural representation that Fig. 4 has closed lid for headstock gear shown in Figure 3;

Fig. 5 clamps the structural representation that colludes the end for the pawl that colludes shown in Figure 3;

Fig. 6 be lid shown in Figure 3 with the structural representation of base pressing;

Fig. 7 is the action flow chart of Automatic test clamp shown in Figure 3.

The embodiment explanation:

See also Fig. 2, it is the structural representation of Automatic test clamp first embodiment of the present utility model, and as shown in Figure 2, it comprises at least:

One lid 10, its bottom surface have first probe 110 (a plurality of because of having, existing is that example is illustrated it with only, down together) that has a plurality of correspondences PC printed line to be measured road on one first dials, 11, the first dials 11;

One base 20, it is connected with lid 10, and wherein base 20 has a plurality of electrical connectors (indicating) in order to being electrically connected, and has a plurality of control elements 22, in order to the duty of control anchor clamps;

One is installed with district 23, is arranged at base 20, uses the PC plate to be measured for predetermined number to be installed with;

One second dials 24 is positioned to be installed with and distinguishes 23 belows, and wherein second dials 24 also has second probe 240 of a plurality of corresponding first probes 110; And

One headstock gear 30, it is equipped on the anchor clamps outside, and in order to automatic open close lid 19, wherein headstock gear 30 also includes: a rotating mechanism 31 (as structures such as pivot, pin chains), being arranged at the intersection of lid 10 and base 20, is to open and close lid 10 with rotation mode; And a driving mechanism 32, in order to driven in rotation mechanism 31 so that lid 10 is opened and closed; Wherein be positioned at the duty that one of the control element 22 of base 20 can controlled motor structure 32.

Wherein rotating mechanism 31 does not limit with the tactic pattern of driving mechanism 32 is special, the user can select collocation arbitrarily, and driving mechanism 32 can be to utilize air pressure, oil pressure or the electric power mechanism for power, and be in the present embodiment with a pneumatic cylinder as driving mechanism 32, utilize its to-and-fro movement to control to open and close the action of lid 10.

By headstock gear 30 disclosed in the utility model, when operating personnel will open and close lid 10, as long as make its drive driving mechanism 32 enter duty by operating above-mentioned control element 22, the power that is provided by driving mechanism 32 (being to be power with air pressure in the present embodiment) driven in rotation mechanism 31 opens and closes lid with rotation mode again, can reach the purpose that makes lid 10 automatic open closes, thus, not only can save the well-known operations personnel need be with the action of manual mode keying lid 10, increase operating personnel's work efficiency, avoid malfunction to take place, more can reduce operating personnel's employment injuries.

But in the present embodiment, though can come automatic open close lid 10 by headstock gear 30, but when testing the PC plate, must make lid 10 and base 20 pressings, so that first and second probe (110,240) can contact the extremely tow sides of PC plate to be measured, just can carry out the contact test, for this reason, present embodiment is that the intersection at lid 10 and base 20 is provided with a bindiny mechanism (indicating), and set a pull bar 40 that can drive this bindiny mechanism in the anchor clamps outsides, for operating personnel when lid 10 is closed this pull bar 40 of operation control driving bindiny mechanism, to reach the purpose that makes lid 10 and base 20 pressings.

Wherein the form of implementation of above-mentioned bindiny mechanism is various, every mechanism of above-mentioned purpose that can realize can both be suitable for, so do not introduce in detail at this, in addition, openend at lid 10 also is equipped with a safe sensor 12, whether there is foreign matter to stretch between first and second dials (11,24), in order to survey when lid 10 opens and closes with attended operation personnel's safety.

See also Fig. 3, it is the structural representation of Automatic test clamp second embodiment of the present utility model, as shown in Figure 3, present embodiment has with first embodiment that some elements are identical will continue to use its title, the present embodiment and the first embodiment difference are to make the mode of lid 10 and base 20 pressings, be to make first and second probe (110 in first embodiment by bindiny mechanism that matches and pull bar 40,240) contact measured PC plate, and can operate these anchor clamps of control in more robotization mode for convenient operation personnel more in the present embodiment, the special disclosed headstock gear 30 of first embodiment that cooperates, one group of colluding the end 13 and colluding pawl 25 of can engaging mutually is provided, collude the root edge that the end 13 is equipped on lid 10, colluding pawl 25 is equipped on corresponding these of base 20 and colludes the ends 13 part, wherein when being closed, lid 10 can start drop-down colluding at the end 13 automatically, make collude pawl 25 clamp collude the end 13 and with it toward drop-down, and then it is first dials 11 of lid 10 is past drop-down, to reach the purpose that makes first and second probe (110,240) contact measured PC plate.

By Fig. 3 structure, the structural representation and the process flow diagram that cooperate Fig. 4, Fig. 5, Fig. 6 and Fig. 7 simultaneously and illustrated come the course of work situation of anchor clamps of the present utility model is described in detail.

Step 1: program begins;

Step 2: operating personnel take PC plate to be measured place anchor clamps being installed with the district 23 in;

Step 3: press control element 22 driving headstock gears 30 lid 10 is closed, this moment, first dials 11 can tilt to forward and second dials, 24 parallel places, as shown in Figure 4, wherein because the utility model is equipped with safe sensor 12 at the openend of lid 10, therefore when 11 actions of first dials, whether safe sensor 12 can be surveyed has foreign matter to stretch between first and second dials (11,24), if have, the location before first dials 11 can be got back to immediately and lean forward;

Step 4: first and second dials (11,24) parallel back starts drop-down colluding at the end 13 automatically, make and collude pawl 25 and clamp and collude the end 13 and will collude the end 13 toward drop-down (as shown in Figure 5) and make first and second dials (11,24) first and second probe (110 on, 240) but contact measured PC plate, as shown in Figure 6;

Step 5: carry out the test of the contact on the PC plate by feeler switch;

After step 6:PC board test finishes, connect down control knob 22, make and collude pawl 25 and first dials 11 is lifted and make first dials 11 break away from the PC plates, as Fig. 4, shown in Figure 5;

Step 7: collude pawl 25 and decontrol first dials 11;

Step 8: control knob 22 drives headstock gear 30 once more and lid 10 is lifted automatically open, and this moment first, dials 11 can and be returned to the fixed position of opening the beginning toward updip, as shown in Figure 3;

Step 9: take out and tested the PC plate of finishing; And

Step 10: finish test, return step 2.

Therefore pass through said structure, operating personnel open and close lid 10 and make first and second probe (110 with manual mode again with regard to not needing, 240) Jie Chu action, not only can improve operating personnel work efficiency, avoid malfunction to take place, more can reduce operating personnel's employment injuries.

Though the utility model with a preferred embodiment openly as above; but it is not in order to limit the utility model; any the those of ordinary skill that professional domain is interior; in not breaking away from spirit and scope of the present utility model; when doing some change and retouching; for example the thin portion structure of headstock gear, collude the end and collude the pattern of pawl and both engaging modes thereof etc. and all can moderately do a little variations, therefore protection domain of the present utility model is when being as the criterion with the protection domain that claim was defined.

The utlity model has following effect:

1. according to Automatic test clamp disclosed in the utility model, it has the automatic open close lid Function not only can be saved the action that known operating personnel needed to do 4～5,000 keying lids in a day, Reduce operating personnel degree of fatigue, increase work efficiency and avoid malfunction to take place, more can reduce Operating personnel's employment injuries.

2. because Automatic test clamp of the present utility model is equipped with a sense of security at the openend of lid Survey device, whether have foreign matter to stretch into up and down between dials, with upkeep operation personnel's safety in order to survey.

Claims

1. Automatic test clamp in order to detect the contact on the PC plate, is characterized in that including:

One lid, its bottom surface have one first dials, have first probe on a plurality of correspondences PC printed line to be measured road on this first dials;

One base is connected in this lid, and having one can be installed with district, one second dials for what PC plate to be measured was installed with, be located at this and be installed with below the district should the first dials part, and this second dials has a plurality of to second probe that should first probe; And

One headstock gear has a rotating mechanism, that can rotation mode opens and closes this lid and can drive the driving mechanism of this rotating mechanism and the control element of this driving mechanism duty of a may command;

By above-mentioned composition, the operator can be by this control element of operation control, controlling the start of this driving mechanism, and then drives this rotating mechanism and opens and closes this lid with rotation mode, to reach the purpose of this lid of automatic open close.

2. Automatic test clamp as claimed in claim 1 is characterized in that this driving mechanism is to utilize the mechanism of air pressure for power.

3. Automatic test clamp as claimed in claim 1 is characterized in that this driving mechanism is to utilize the mechanism of electric power for power.

4. whether Automatic test clamp as claimed in claim 1 is characterized in that this loam cake openend also is equipped with a safe sensor, have foreign matter to stretch between this first and second probe in order to survey when lid opens and closes.

5. Automatic test clamp in order to detect the contact on the PC plate, is characterized in that including:

The lid that one can rotation mode opens and closes, its bottom surface has one first dials, has first probe on a plurality of correspondences PC printed line to be measured road on this first dials, and this lid root edge convexes with one and colludes the end; And

One base, be connected in this lid, this base has one can be installed with district, one second dials for what treat that side PC plate is installed with, be located at this and be installed with district below to should the first dials part, and this second dials has and a plurality ofly can collude pawl and a may command this colludes the control element of pawl start with this colludes that the end fastens second probe that should first probe;

By above-mentioned composition, place this to be installed with in the district PC plate to be measured, this lid that closes, and start this control element makes and colludes pawl and be sticked in this and collude the end, and with this lid toward drop-down so that this first and second probe can touch PC plate to be measured to carry out test job.

6. whether Automatic test clamp as claimed in claim 5 is characterized in that the openend of this lid also is equipped with a sense of security side device, have foreign matter to stretch in order to survey between this first and second probe, with the safety of maintenance operator.