CN219475689U - A fast-positioning test fixture - Google Patents

Abstract

The utility model relates to the technical field of test fixtures, in particular to a test fixture that can be quickly positioned, including a fixed base. The surfaces of the test board and the support frame are provided with a guiding and labor-saving mechanism, and the surfaces of the test board are all provided with Quick positioning mechanism, the surface of the test board is provided with a mechanism for easy removal. The utility model not only avoids the phenomenon that the workpiece is placed deflected during the use of the test fixture, but at the same time can ensure the accuracy of the test fixture when testing the workpiece, and avoids the phenomenon of deflection of the test board during the use of the test fixture , At the same time, the friction force generated when the test board moves is greatly reduced, and the working efficiency of the test fixture is greatly improved, making the test fixture more convenient to operate.

Description

A fast-positioning test fixture

technical field

The utility model relates to the technical field of test fixtures, in particular to a test fixture capable of rapid positioning.

Background technique

The test fixture belongs to a category under the fixture. It is a kind of fixture specially used to test and test the function, power calibration, life or performance of the product. Because it is mainly used for testing various indicators of the product on the production line, Therefore, it is called a test fixture, and a test fixture that can be quickly positioned is needed now.

First of all, the existing test fixtures often cannot quickly locate and place the workpiece during use, which may easily lead to the phenomenon that the workpiece is placed deflected during the use of the test fixture. Accuracy; secondly, the existing test fixtures often cannot guide the test board to save effort during use, which may easily lead to the deflection of the test board during the use of the test fixture. At the same time, the friction generated when the test board moves The force is greatly increased; again, the steps of taking out the workpiece of the existing test fixture are often cumbersome, so that the work efficiency of the test fixture is greatly reduced, and the test fixture cannot be more convenient in operation.

Utility model content

The purpose of this utility model is to provide a test fixture that can be quickly positioned to solve the problem that the workpiece cannot be quickly positioned and placed when the test fixture is used in the above background technology, the test board cannot be guided and labor-saving, and when the workpiece is taken out The removal steps are often more cumbersome.

In order to achieve the above purpose, the utility model provides the following technical solutions: a test fixture that can be quickly positioned, including a fixed base, a support frame is installed on the surface at the top of the fixed base, and a control frame is installed on the surface of the support frame. Panel, the surface at the top position of the support frame is equipped with a fixed frame, the surface of the fixed base is equipped with a switch button, the top of the fixed base is provided with a test board, and the surface of the test board and the support frame is provided with a guide Labor-saving mechanism, the interior of the guide labor-saving mechanism includes a mounting cylinder, a ball body and a guide labor-saving group, the surface of the test board is provided with a quick positioning mechanism, and the interior of the quick positioning mechanism includes a positioning column, a guide slider As well as the quick positioning part, the surface of the test board is provided with a mechanism for easy removal, and the mechanism for easy removal includes a block body, a fixing groove, a compression spring and a moving block inside.

Preferably, a connector is installed on the surface of the fixing frame, and one end of the connector passes through the control panel and an electric push rod is installed, the input end of the electric push rod is electrically connected with the output end of the control panel, and the fixed A knob body is installed on the surface at the top of the base, the output end of the electric push rod is fixed to the top of the test board, telescopic columns are installed on the surface of the support frame, and the bottom of the telescopic column is connected to the top of the test board. The surface at the position is fixed, the surface of the test board is provided with a test hole, the surface at the top of the fixed base is equipped with a test probe, and one end of the test probe penetrates the test hole and extends to the test hole above.

Preferably, the surface of the test board is provided with a fixing groove, and a block is arranged inside the fixing groove, and the block and the inner wall of the fixing groove are slidably matched with each other, and the inner wall of the fixing groove is provided with a groove, And the inside of the groove is provided with a moving block.

Preferably, the moving block is slidingly fitted with the inner wall of the groove, the top of the moving block is fixed to the surface at the bottom of the block, and compression springs are installed on the surface of the moving block, and the pressing One end of the spring is fixed to the inner wall of the groove.

Preferably, the guide labor-saving group is arranged on the surface of the test board and the support frame, the guide labor-saving group is composed of a guide rod and a fastening bolt, the surface at the top of the test board is provided with a mounting cylinder, and the installation A fastening bolt is threadedly connected to the surface of the cylinder, and one end of the fastening bolt penetrates the installation cylinder and is threadedly fastened with the surface of the test board.

Preferably, a guide rod is installed on the surface at the top position of the fixed base, and one end of the guide rod penetrates the test board and the installation cylinder and is fixed to the inner wall of the support frame. The ball body of the friction force, the surface of the ball body and the inner wall of the installation cylinder are mutually rotatable, and the surface of the ball body is in contact with the surface of the guide rod.

Preferably, the quick positioning part is arranged on the surface of the test board, and the quick positioning part is composed of a guide chute and a fastening stud, and the surface of the test board is provided with a positioning column for positioning the workpiece. The surface of the test board is provided with a guide chute, and the surface at the bottom of the positioning column is equipped with a guide slider.

Preferably, the guide slider and the surface of the guide chute are slidably matched with each other, and the surface of the guide slider is screwed with a fastening stud, and one end of the fastening stud passes through the guide slider and is connected with the guide chute. The inner wall thread fastening.

Compared with the prior art, the beneficial effect of the utility model is that the quickly positioned test fixture not only avoids the phenomenon that the workpiece is placed deflected during the use of the test fixture, but at the same time, it can ensure that the test fixture can test the workpiece The accuracy of the time avoids the phenomenon of deflection of the test board during the use of the test fixture. At the same time, the friction force generated when the test board moves is greatly reduced, and the work efficiency of the test fixture is greatly improved. The test fixture is more convenient to operate;

1. By setting up a quick positioning mechanism, the user loosens the fastening stud, and then pulls the positioning column, so that the positioning column drives the guide slider to slide inside the guide chute, so that the positioning column moves to contact with the surface of the workpiece, Then tighten the fastening studs on the surface of the guide slider to fix the positioning column on the surface of the test board, then place the workpiece to be tested inside the test board, and position the workpiece under the action of the positioning column to avoid The phenomenon of displacement or deflection of the workpiece during the test ensures the accuracy of the workpiece placement, and realizes the rapid positioning and placement of the workpiece by the test fixture, thereby avoiding the phenomenon of deflection of the workpiece during the use of the test fixture. At the same time, it can ensure the accuracy of the test fixture when testing the workpiece;

2. By setting up a guide and labor-saving mechanism, the installation cylinder is set on the surface of the test board through fastening bolts. When the test board moves, the test board drives the installation cylinder to slide on the surface of the guide rod, and the test board is carried out under the action of the guide rod. Guided, when the installation cylinder moves, the ball body rotates on the inner wall of the installation cylinder, and under the action of the ball body, the friction force generated when the installation cylinder moves on the surface of the guide rod is reduced, which makes the lifting of the test plate more labor-saving and realizes the test The fixture guides the test board to save labor, thus avoiding the deflection of the test board during the use of the test fixture, and at the same time, greatly reducing the friction generated when the test board moves;

3. By providing a mechanism for easy removal, the user presses the block inside the fixed groove. At this time, the moving block is driven to move under the elastic force of the compression spring inside the groove, so that the moving block drives the block to move downward, and the user It is faster to take out the workpiece inside the test board through the fixing groove. After taking it out, the block is driven to reset under the elastic force of the compression spring, so that no dust will accumulate inside the fixing groove, and the test fixture is easy to take out the workpiece. Function, so that the work efficiency of the test fixture is greatly improved, and the test fixture is more convenient to operate.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the schematic diagram of the front view section structure of the utility model;

Fig. 3 is a schematic diagram of a top view section enlarged structure of a support frame of the present invention;

Fig. 4 is a schematic diagram of a top view section enlarged structure of a fixed base of the present invention;

Fig. 5 is a schematic diagram of an enlarged structure of the mechanism for taking out in Fig. 2 of the present utility model;

Fig. 6 is a schematic diagram of an enlarged structure of the guiding labor-saving mechanism in Fig. 2 of the present invention;

Fig. 7 is an enlarged structural schematic diagram of the quick positioning mechanism of the present invention.

In the figure: 1, fixed base; 101, test board; 102, support frame; 103, fixed frame; 104, control panel; 105, switch button; 106, electric push rod; 107, telescopic column; 108, knob body; , test probe; 110, test hole; 2, easy to take out mechanism; 201, block body; 202, fixed groove; 203, compression spring; 204, moving block; Ball body; 303, guide labor-saving group; 3031, guide rod; 3032, fastening bolt; 4, quick positioning mechanism; 401, positioning column; 402, guide slider; 403, quick positioning part; 4031, guide chute; 4032 , Fasten the studs.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. For example, in addition, the terms "first", "second", "third", "upper, lower, left, right", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance. At the same time, in the description of the present utility model, unless otherwise specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection It can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediary. Based on the embodiments of the utility model, those of ordinary skill in the art have obtained the All other embodiments, all belong to the protection scope of the utility model.

The structure of a fast-locating test fixture provided by the utility model is shown in Figure 1 and Figure 2, including a fixed base 1, a support frame 102 is installed on the surface at the top position of the fixed base 1, and the surface of the support frame 102 is installed There is a control panel 104, the model of the control panel 104 can be LA series, the surface at the top of the support frame 102 is installed with a fixed frame 103, the surface of the fixed base 1 is equipped with a switch button 105, and the surface of the fixed frame 103 is installed with a connector , and one end of the connector runs through the control panel 104 and is equipped with an electric push rod 106. The model of the electric push rod 106 can be selected as DG series. The input end of the electric push rod 106 is electrically connected with the output end of the control panel 104, and the base is fixed 1 A knob body 108 is installed on the surface at the top position, a test board 101 is arranged above the fixed base 1, the output end of the electric push rod 106 is fixed to the top of the test board 101, and telescopic columns 107 are installed on the surface of the support frame 102 , the bottom of the telescopic column 107 is fixed to the surface at the top position of the test board 101, the surface of the test board 101 is provided with a test hole 110, and the surface at the top position of the fixed base 1 is equipped with a test probe 109, the test probe One end of 109 passes through the test hole 110 and extends above the test hole 110 .

Further, as shown in Figure 2 and Figure 6, the surface of the test board 101 and the support frame 102 is provided with a guide labor-saving mechanism 3, and the interior of the guide labor-saving mechanism 3 includes a mounting cylinder 301, a ball body 302 and a guide labor-saving group 303, the guide The labor-saving group 303 is arranged on the surface of the test board 101 and the support frame 102. The guide labor-saving group 303 is composed of a guide rod 3031 and a fastening bolt 3032. The surface at the top of the test board 101 is provided with a mounting cylinder 301. The surface of the mounting cylinder 301 A fastening bolt 3032 is threaded, one end of the fastening bolt 3032 penetrates the mounting cylinder 301 and is threadedly fastened to the surface of the test board 101, a guide rod 3031 is installed on the surface at the top of the fixed base 1, and one end of the guide rod 3031 penetrates the test plate 101. The plate 101 is fixed to the inner wall of the mounting cylinder 301 and the support frame 102. The inside of the mounting cylinder 301 is provided with a ball body 302 for reducing friction. The surface of the body 302 is in contact with the surface of the guide rod 3031 .

During implementation, the installation cylinder 301 is set on the surface of the test board 101 through the fastening bolt 3032. When the test board 101 moves, the test board 101 drives the installation cylinder 301 to slide on the surface of the guide rod 3031, and the test is performed under the action of the guide rod 3031. The plate 101 is guided. When the installation cylinder 301 moves, the ball body 302 rotates on the inner wall of the installation cylinder 301. Under the action of the ball body 302, the friction force generated by the installation cylinder 301 when it moves on the surface of the guide rod 3031 is reduced, so that the test The lifting and lowering of the board 101 is more labor-saving, so as to realize the labor-saving function of guiding the test fixture to the test board 101 .

Further, as shown in Figure 2 and Figure 7, the surface of the test board 101 is provided with a quick positioning mechanism 4, the interior of the quick positioning mechanism 4 includes a positioning column 401, a guide slider 402 and a quick positioning part 403, the quick positioning part 403 is arranged on the surface of the test board 101. The quick positioning part 403 is composed of a guide chute 4031 and a fastening stud 4032. The surface of the test board 101 is provided with positioning columns 401 for positioning the workpiece. The surface of the test board 101 is all A guide chute 4031 is provided, and a guide slider 402 is installed on the surface at the bottom of the positioning column 401. The guide slider 402 and the surface of the guide chute 4031 slide and cooperate with each other, and the surface of the guide slider 402 is threadedly connected with a fastening stud. 4032 , one end of the fastening stud 4032 passes through the guide slider 402 and is threadedly fastened to the inner wall of the guide chute 4031 .

During implementation, the user loosens the fastening stud 4032, and then pulls the positioning post 401, so that the positioning post 401 drives the guide slider 402 to slide inside the guide chute 4031, so that the positioning post 401 moves to contact with the surface of the workpiece, Tighten the fastening stud 4032 on the surface of the guide slider 402 again, so that the positioning column 401 is fixed on the surface of the test board 101, then, the workpiece to be tested is placed on the inside of the test board 101, and under the action of the positioning column 401 The workpiece is positioned to avoid the phenomenon of displacement or deflection of the workpiece during the test, and to ensure the accuracy of the workpiece placement, so as to realize the function of the rapid positioning and placement of the workpiece by the test fixture.

Further, as shown in Fig. 2 and Fig. 5, the surface of the test board 101 is provided with a mechanism 2 for easy removal, and the interior of the mechanism 2 for convenience includes a block 201, a fixed groove 202, a compression spring 203 and a moving block 204, and the test The surface of the plate 101 is provided with a fixing groove 202, and the inside of the fixing groove 202 is provided with a block body 201, and the block body 201 and the inner wall of the fixing groove 202 slide and cooperate with each other. A moving block 204 is provided, and the inner wall of the moving block 204 and the groove slides and cooperates with each other. The top of the moving block 204 is fixed to the surface at the bottom of the block body 201, and the surface of the moving block 204 is equipped with a compression spring 203. One end of the spring 203 is fixed to the inner wall of the groove.

During implementation, the user presses the block body 201 inside the fixing groove 202. At this time, the moving block 204 is driven to move under the elastic force of the pressing spring 203 inside the groove, so that the moving block 204 drives the block body 201 to move downward, and the user The workpiece inside the test board 101 is taken out through the fixing groove 202, which is more rapid. After taking it out, the block body 201 is driven to reset under the elastic force of the compression spring 203, so that the inside of the fixing groove 202 will not accumulate dust, so as to realize test control. With the function of taking out the workpiece.

Working principle: When in use, first place the fixed base 1 at the designated position, and the user adjusts the position of the positioning column 401 according to the size of the workpiece. At this time, the user loosens the fastening stud 4032, and then pulls the positioning column 401, so that the positioning column 401 drives the guide slider 402 to slide inside the guide chute 4031, so that the positioning column 401 moves to contact with the surface of the workpiece, and then tightens the fastening stud 4032 on the surface of the guide slider 402, thereby positioning The column 401 is fixed on the surface of the test board 101, and then the workpiece to be tested is placed inside the test board 101, and the workpiece is positioned under the action of the positioning column 401 to avoid displacement or deflection of the workpiece during the test , to ensure the accuracy of workpiece placement, so as to realize the function of fast positioning and placement of the test fixture on the workpiece, thereby avoiding the phenomenon of skewed workpiece placement during the use of the test fixture, and at the same time, it can ensure that the test fixture can test the workpiece the accuracy.

Subsequently, the user operates the control panel 104, so that the control panel 104 controls the electric push rod 106 to work, drives the test board 101 to move up and down under the action of the electric push rod 106, and guides the test board 101 under the action of the telescopic column 107. At this time, the installation cylinder 301 is set on the surface of the test board 101 through the fastening bolt 3032. When the test board 101 moves, the test board 101 drives the installation cylinder 301 to slide on the surface of the guide rod 3031. 101 for guidance, when the installation cylinder 301 moves, the ball body 302 rotates on the inner wall of the installation cylinder 301, and under the action of the ball body 302, the friction force generated when the installation cylinder 301 moves on the surface of the guide rod 3031 is reduced, so that the test board The lifting of 101 is more labor-saving, so as to realize the labor-saving function of guiding the test fixture to the test board 101, thereby avoiding the phenomenon that the test board 101 is deflected during the use of the test fixture, and at the same time, the friction force generated when the test board 101 moves greatly reduced.

When the test board 101 moves downward, at this moment, the test probe 109 moves to the top of the test board 101 through the test hole 110, and the test probe 109 moves to contact with the surface of the workpiece, and the workpiece is energized and tested. When the test probe 101 is lifted upwards, the test probe 109 moves to the inside of the test hole 110 without energizing. After the test of the workpiece is completed, the workpiece needs to be taken out from the inside of the test board 101. At this time, the user presses the inside of the fixing groove 202 At this time, under the action of the elastic force of the compression spring 203 inside the groove, the moving block 204 is driven to move, so that the moving block 204 drives the block 201 to move downward, and the user moves the test board 101 inside the test board 101 through the fixing groove 202. The workpiece is taken out more quickly. After taking it out, the block 201 is driven to reset under the elastic force of the compression spring 203, so that the inside of the fixing groove 202 will not accumulate dust, so as to realize the function of the test fixture to facilitate the removal of the workpiece, so that the test The working efficiency of the jig is greatly improved, which makes the test jig more convenient to operate, and finally completes the use of the test jig.

It is obvious to those skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (8)

1. A test fixture that can be quickly positioned, comprising a fixed base (1), is characterized in that: a support frame (102) is installed on the surface at the top position of the fixed base (1), and the support frame (102) A control panel (104) is installed on the surface of the support frame (102), a fixed frame (103) is installed on the surface at the top position of the support frame (102), a switch button (105) is installed on the surface of the fixed base (1), and the fixed The top of the base (1) is provided with a test board (101), the surface of the test board (101) and the support frame (102) is provided with a guide labor-saving mechanism (3), and the inside of the guide labor-saving mechanism (3) includes Installation cylinder (301), ball body (302) and guide labor-saving group (303), the surface of the test board (101) is all provided with a quick positioning mechanism (4), the interior of the quick positioning mechanism (4) contains Positioning column (401), guide slider (402) and quick positioning part (403), the surface of the test board (101) is provided with a mechanism (2) for easy removal, and the inside of the mechanism (2) for convenience includes Block body (201), fixing groove (202), compression spring (203) and moving block (204). 2. A test fixture that can be quickly positioned according to claim 1, characterized in that: a connector is installed on the surface of the fixing frame (103), and one end of the connector passes through the control panel (104) and is installed There is an electric push rod (106), the input end of the electric push rod (106) is electrically connected to the output end of the control panel (104), and a knob body (108) is installed on the surface at the top position of the fixed base (1). ), the output end of the electric push rod (106) is fixed to the top of the test board (101), the surface of the support frame (102) is equipped with telescopic columns (107), and the telescopic columns (107) The bottom end is fixed to the surface at the top position of the test board (101), the surface of the test board (101) is all provided with test holes (110), and the surface at the top position of the fixed base (1) is equipped with test A probe (109), one end of the test probe (109) penetrates the test hole (110) and extends to the top of the test hole (110). 3. A test fixture that can be quickly positioned according to claim 1, characterized in that: the surface of the test board (101) is provided with a fixing groove (202), and the inside of the fixing groove (202) A block (201) is provided, and the block (201) and the inner wall of the fixed groove (202) slide and cooperate with each other, the inner wall of the fixed groove (202) is provided with a groove, and the inside of the groove is provided with a moving block (204). 4. A test fixture that can be quickly positioned according to claim 1, characterized in that: the moving block (204) is slidingly matched with the inner wall of the groove, and the top of the moving block (204) is in contact with the block The surface at the bottom position of the body (201) is fixed, and a compression spring (203) is installed on the surface of the moving block (204), and one end of the compression spring (203) is fixed to the inner wall of the groove. 5. A test fixture that can be quickly positioned according to claim 1, characterized in that: the guide labor-saving group (303) is arranged on the surface of the test board (101) and the support frame (102), and the guide The labor-saving group (303) is composed of guide rods (3031) and fastening bolts (3032). The surface at the top position of the test board (101) is provided with a mounting cylinder (301), and the surface of the mounting cylinder (301) is A fastening bolt (3032) is threadedly connected, and one end of the fastening bolt (3032) passes through the installation cylinder (301) and is threadedly fastened with the surface of the test board (101). 6. A test fixture that can be quickly positioned according to claim 1, characterized in that: a guide rod (3031) is installed on the surface at the top of the fixed base (1), and the guide rod (3031) One end of which passes through the test plate (101) and the installation cylinder (301) and is fixed to the inner wall of the support frame (102), and the inside of the installation cylinder (301) is provided with a ball body (302) for reducing friction, The surface of the ball body (302) and the inner wall of the installation cylinder (301) are in rotational fit, and the surface of the ball body (302) is in contact with the surface of the guide rod (3031). 7. A kind of fast positioning test fixture according to claim 1, characterized in that: the fast positioning part (403) is arranged on the surface of the test board (101), and the fast positioning part (403) consists of Guide chute (4031) and fastening stud (4032) constitute, and the surface of described test plate (101) is all provided with the positioning column (401) that is used for positioning workpiece, and the surface of described test plate (101) is all A guide chute (4031) is opened, and a guide slider (402) is installed on the surface at the bottom of the positioning column (401). 8. A test fixture that can be quickly positioned according to claim 1, characterized in that: the guide slider (402) and the surface of the guide chute (4031) slide and cooperate with each other, and the guide slider ( 402) is threadedly connected with a fastening stud (4032), and one end of the fastening stud (4032) passes through the guide slider (402) and is threadedly fastened with the inner wall of the guide chute (4031).