CN212146104U

CN212146104U - Three-coordinate testing and positioning jig

Info

Publication number: CN212146104U
Application number: CN202020687900.9U
Authority: CN
Inventors: 孟伟青; 过丽萍; 吕明静
Original assignee: ACME ELECTRONICS (KUNSHAN) CO LTD
Current assignee: ACME ELECTRONICS (KUNSHAN) CO LTD
Priority date: 2020-04-29
Filing date: 2020-04-29
Publication date: 2020-12-15
Anticipated expiration: 2030-04-29

Abstract

The utility model discloses a three-coordinate test positioning jig, include: the connecting device comprises a connecting base, a first connecting arm, a second connecting arm and a chuck, wherein the first connecting arm and the second connecting arm are respectively connected to two ends of the connecting base, and the chuck can be detachably connected to the first connecting arm and the second connecting arm; the clamping heads on the first connecting arm and the clamping heads on the second connecting arm are used for fixing products, and a testing space is formed between the two clamping heads and the connecting base; after the device is positioned once, the positioning points do not need to be searched again after products are replaced subsequently, the time for searching the positioning points is shortened, and the product detection efficiency is improved. The testing space formed between the chuck and the base of the device is convenient for testing the other surface of the product, and the efficiency of detecting the product is improved.

Description

Three-coordinate testing and positioning jig

Technical Field

The utility model relates to a test fixture technical field, concretely relates to three-coordinate test positioning jig.

Background

The existing test for ceramic products such as iron cores requires that the iron cores are placed on a test board and then fixed for testing. The present use of three coordinates to test the parallelism and flatness of a product involves the following two steps: step one, putting the product on a test board, finding a 0 point of a positioning point (the 0 point is a corner of the product as a starting point) within a certain time, and then starting the test. And step two, when testing the parallelism and the flatness of the back of the product, the product needs to be turned over or turned over for testing, meanwhile, the positioning point is damaged, the positioning point needs to be found again, and one product needs to be tested at least twice.

During production, at least dozens of products can be tested by the same type of product detection or spot check, and a great amount of time is needed to be spent only on locating points when the products are tested by fixing the products by using the current test board.

Disclosure of Invention

An object of the utility model is to provide a three-coordinate test positioning jig to need to spend a large amount of time when solving the product detection that leads to among the prior art and look for the problem of setpoint.

In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:

a three-coordinate testing and positioning jig comprises: the connecting device comprises a connecting base, a first connecting arm, a second connecting arm and a chuck, wherein the first connecting arm and the second connecting arm are respectively connected to two ends of the connecting base, and the chuck can be detachably connected to the first connecting arm and the second connecting arm;

the clamping heads on the first connecting arm and the clamping heads on the second connecting arm are used for fixing products, and a testing space is formed between the two clamping heads and the connecting base.

Further, the first connecting arm and the second connecting arm are both L-shaped. The L-shaped connecting arm is convenient for forming a testing space between the top of the connecting arm and the connecting base and is convenient for installing a clamping head at the tail end of the top of the connecting arm.

Further, the chuck connected to the first connecting arm and the chuck connected to the second connecting arm are in the same horizontal plane.

Furthermore, all be equipped with first spread groove on first spread arm and the second spread arm, be equipped with on the chuck with the second spread groove of first spread groove looks adaptation, the chuck passes through the second spread groove is connected with first spread groove.

Furthermore, the first connecting arm is fixedly connected with the connecting base, and the second connecting arm is slidably connected with the connecting base.

Furthermore, a sliding groove is formed in the connecting base along the length direction of the connecting base, the bottom end of the first connecting arm is fixedly connected with the sliding groove, and the bottom end of the second connecting arm is slidably connected with the sliding groove.

Further, the upper bolt of the connecting base is connected with a fixing plate; the fixed plate is located and is close to a side of second linking arm, the fixed plate with the second linking arm passes through the screw rod and connects, the screw rod rotates and drives the second linking arm is followed the spout slides.

Further, the chuck is a first chuck, and the clamping groove of the first chuck is arc-shaped. The arc-shaped clamping groove is suitable for clamping disc-shaped products.

Further, the chuck is a second chuck, and the clamping groove of the second chuck is semicircular. The section of the clamping groove is semicircular, and the clamping groove is suitable for clamping columnar products.

Further, the chuck is a third chuck, and the clamping groove of the third chuck is a flat surface. The clamping grooves of the parallel surfaces are suitable for clamping one or more products with the plane of symmetry.

According to the above technical scheme, the embodiment of the utility model has following effect at least:

1. after the device is positioned once, the positioning points do not need to be searched again after products are replaced subsequently, the time for searching the positioning points is shortened, and the product detection efficiency is improved. The testing space formed between the chuck and the base of the device is convenient for testing the other surface of the product, and the efficiency of detecting the product is improved;

2. the chuck of this device can be changed, can be applicable to the product to different shapes and fix a position the centre gripping, has improved the application scope of this device.

Drawings

FIG. 1 is a schematic view of the overall structure of an embodiment of the present invention;

FIG. 2 is a schematic view of FIG. 1 without the collet attached;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

FIG. 4 is a schematic structural view of a connection base according to an embodiment of the present invention;

FIG. 5 is a schematic view of a first chuck according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a second chuck according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a third chuck according to an embodiment of the present invention.

Wherein: 1. connecting a base; 2. a first connecting arm; 3. a second connecting arm; 4. a first connecting groove; 5. a fixing plate; 6. a first chuck; 7. a second chuck; 8. a third chuck; 9. a second connecting groove; 11. a chute.

Detailed Description

In order to make the technical means, creation features, and the achieved purpose and efficacy of the present invention easy to understand, the present invention is further explained below by combining with the detailed embodiments.

It should be noted that, in the description of the present invention, the terms "front", "rear", "left", "right", "upper", "lower", "inner", "outer", etc. indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, and are only for convenience of description of the present invention but do not require the present invention to be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. As used in the description of the present invention, the terms "front," "back," "left," "right," "up," "down" and "in" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

As shown in fig. 2 to 5, a three-coordinate testing and positioning fixture includes: the connecting device comprises a connecting base 1, a first connecting arm 2, a second connecting arm 3 and a chuck, wherein the first connecting arm 2 and the second connecting arm 3 are respectively connected to two ends of the connecting base 1, and the chuck can be detachably connected to the first connecting arm 2 and the second connecting arm 3; the clamping heads on the first connecting arm 2 and the second connecting arm 3 are used for fixing products, and a testing space is formed between the two clamping heads and the connecting base 1.

As shown in fig. 4, the entire connection base 1 is rectangular, and a slide groove 11 penetrating the entire connection base 1 is formed in the longitudinal direction of the connection base 1. The chute 11 is shaped as an inverted T. The bottom ends of the first connecting arm 2 and the second connecting arm 3 are connected in the sliding groove 11. The third connecting arm 3 is slidably connected in the sliding groove 11, and the shape of the bottom end of the third connecting arm 3 is matched with the shape of the sliding groove 11. The shape of the sliding chute 11 is designed to be an inverted T shape, which can effectively ensure the sliding of the second connecting arm 2 in the sliding chute, and prevent the second connecting arm from separating from the sliding chute 11.

The first connecting arm 2 and the second connecting arm 3 are L-shaped, and the top ends of the first connecting arm 2 and the second connecting arm 3 point to the central line of the connecting base 1. The collet is connected to the end of the top of the first connecting arm 2 and to the end of the top of the second connecting arm 3. The two chucks ensure the clamping effect on the product in the same horizontal plane.

In the present embodiment, the first connecting arm 2 and the second connecting arm 3 are both provided with the first clamping head 6, and the structure of the first clamping head 6 is shown in fig. 5. Specifically, the bottom surface of the first chuck 6 is provided with a second connecting groove 9, the tail end of the top of the first connecting arm 2 is provided with a first connecting groove 4, and the tail end of the top of the second connecting arm 3 is provided with the first connecting groove 4. The first clip 6 is fixed by a bolt passing through the through hole of the first clip 6 and the through hole of the first coupling groove 4. The bolted connection facilitates removal and installation of the first clamp 6 and replacement of the first clamp 6.

As shown in fig. 2 and 3, the left and right sides of the connection base 1 are both connected with a fixing plate 5 through bolts, the fixing plate 5 is provided with screw holes, the screw holes are connected with screw rods, the left ends of the screw rods are fixedly connected with the second connecting arms 3, and the right ends of the screw rods are handle ends. The right end of the rotary screw rod controls the second connecting arm 3 to move left and right in the sliding groove 11.

The top of the first connecting arm 2 and the top of the second connecting arm 3 are on the same straight line, and a test space is formed between the first connecting arm and the connecting base 1.

The test process of the device is as follows: the first chuck 6 is firstly installed on the first connecting arm 2 and the second connecting arm 3, the disc-shaped product is placed on the first chuck 6 of the first connecting arm 2, and the second connecting arm 3 moves leftwards through the screw rod to clamp the product. Then, a detection device is used for searching a positioning point (the positioning point of the product is arranged at a certain point on the first chuck 6 of the first connecting arm 2), the test is started after the positioning point is searched, and after the test on the surface is finished, the test device is moved to a test space to perform the test on the other surface. After testing this product, go out the product through the screw rod rotation and change another product and continue the test.

After the device is positioned once, the positioning points do not need to be searched again after products are replaced subsequently, the time for searching the positioning points is shortened, and the product detection efficiency is improved. The testing space formed between the chuck and the base of the device is convenient for testing the other surface of the product, and the detection efficiency of the product is improved.

Example 2

The difference between this embodiment and embodiment 1 lies in the difference of the chuck, the chuck of this device is shown in fig. 6, and the overall structure is shown in fig. 1. The chucks connected to the first connecting arm 2 and the second connecting arm 3 are second chucks 7. The rest is the same as in example 1.

The section of the clamping groove of the second chuck 7 is circular, and the second chuck is suitable for positioning and clamping cylindrical products.

Example 3

The difference between this embodiment and embodiment 1 is the difference of the cartridge, and the cartridge of the present apparatus is shown in fig. 7. The chuck connected to the first connecting arm 2 and the second connecting arm 3 is a third chuck 8. The rest is the same as in example 1.

The section of the clamping groove of the third chuck 8 is in a flat surface shape, and is suitable for positioning and clamping one or more products with plane symmetrical surfaces.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.

Claims

1. The utility model provides a three-coordinate test positioning jig which characterized in that includes: the connecting device comprises a connecting base (1), a first connecting arm (2), a second connecting arm (3) and a chuck, wherein the first connecting arm (2) and the second connecting arm (3) are respectively connected to two ends of the connecting base (1), and the chucks can be detachably connected to the first connecting arm (2) and the second connecting arm (3);

the clamping heads on the first connecting arm (2) and the second connecting arm (3) are used for fixing products, and a testing space is formed between the two clamping heads and the connecting base (1).

2. The three-coordinate testing and positioning fixture as claimed in claim 1, wherein the first connecting arm (2) and the second connecting arm (3) are L-shaped.

3. The three-coordinate testing and positioning fixture as claimed in claim 1, wherein the chucks connected to the first connecting arm (2) and the chucks connected to the second connecting arm (3) are in the same horizontal plane.

4. The three-coordinate testing and positioning fixture of claim 1, wherein the first connecting arm (2) and the second connecting arm (3) are both provided with a first connecting groove (4), the chuck is provided with a second connecting groove (9) matched with the first connecting groove, and the chuck is connected with the first connecting groove (4) through the second connecting groove (9).

5. The three-coordinate testing and positioning fixture as claimed in claim 1, wherein the first connecting arm (2) is fixedly connected with the connecting base (1), and the second connecting arm (3) is slidably connected with the connecting base (1).

6. The three-coordinate testing and positioning jig of claim 1, wherein a sliding groove (11) is formed in the connecting base (1) along the length direction of the connecting base (1), the bottom end of the first connecting arm (2) is fixedly connected with the sliding groove (11), and the bottom end of the second connecting arm (3) is slidably connected with the sliding groove (11).

7. The three-coordinate testing and positioning jig of claim 6, wherein the upper bolt of the connecting base (1) is connected with a fixing plate (5); fixed plate (5) are located and are close to a side of second linking arm (3), fixed plate (5) with second linking arm (3) pass through the screw rod and connect, the screw rod rotates and drives second linking arm (3) are followed spout (11) slide.

8. The three-coordinate testing and positioning fixture according to any one of claims 1-7, wherein the collet is a first collet (6), and the clamping groove of the first collet (6) is arc-shaped.

9. The three-coordinate testing and positioning fixture according to any one of claims 1-7, wherein the collet is a second collet (7), and the clamping groove of the second collet (7) is semicircular.

10. The three-coordinate testing and positioning fixture according to any one of claims 1-7, wherein the chuck is a third chuck (8), and the clamping grooves of the third chuck (8) are parallel surfaces.