Fixture for detecting depth of filter blank

Abstract

The utility model discloses a filter blank depth detection clamp, which comprises a clamp main board, the top surface of the clamp main board is a plane, the top surface of the clamp main board is provided with a clamping station, the clamping station is provided with a group of cylindrical floating positioning pins and rhombic floating positioning pins which are arranged diagonally, and the cylindrical floating positioning pins and the rhombic floating positioning pins are arranged in parallel. The clamping station is further provided with at least three positioning seats, the positioning seats are distributed on the edge of the clamping station, one side of each positioning seat is provided with a lever pressing cylinder, a manual three-axis moving platform is arranged above the clamping station, the manual three-axis moving platform is provided with a digital display dial indicator which is vertically arranged, and the manual three-axis moving platform is provided with a lever pressing cylinder. And a reference block is arranged on the clamp main plate. The beneficial effects of the utility model are that by clamping and positioning a product, adjusting the position and height of the measuring head through the three-axis moving platform, and correcting the dial indicator by using the same measuring reference block, the measuring precision is high, the operation is convenient, and the detection efficiency can be significantly improved.

Description

Technical Field

[0001] The utility model relates to the field of inspection tools, in particular to a depth inspection fixture for filter blanks. Background Art

[0002] A filter cover blank is formed by die-casting of aluminum alloy. The filter cover has multiple cavities and sinks. The sizes of the cavities and sinks affect the assembly accuracy of the filter cover. Therefore, depth measurement is required after the cavities and sinks are machined. The existing measurement method is to measure one position at a time using a depth gauge, but the measurement reference of the depth gauge is different each time, so there is a large measurement error and low measurement efficiency. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a filter blank depth detection fixture, which has a simple structure, is easy to operate, has the same measurement reference, and has a small measurement error.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A filter blank depth detection fixture, characterized in that it includes a fixture main board, the top surface of the fixture main board is a plane, the top surface of the fixture main board has a clamping station, the clamping station is provided with a group of diagonally arranged cylindrical floating locating pins and diamond-shaped floating locating pins, the clamping station is also provided with at least three locating seats, the locating seats are distributed on the edge of the clamping station, a lever clamping cylinder is provided on one side of each of the locating seats, a manual three-axis movable platform is provided above the clamping station, a vertically arranged digital dial indicator is provided on the manual three-axis movable platform, and a reference block is provided on the fixture main board.

[0006] Furthermore, the manual three-axis mobile platform includes two first slide rail mounting seats arranged in parallel, a first linear slide rail is arranged on the first slide rail mounting seats, a slider is slidably arranged on the two first linear slide rails, a second slide rail mounting seat is straddled on the two sliders, a second linear slide rail is arranged on the second slide rail mounting seat, a manual slide mounting plate is slidably arranged on the second linear slide rail through the slider, a vertically arranged Z-axis slide is arranged on the manual slide mounting plate, a Z-axis slide is arranged on the Z-axis slide, and a locking bolt is arranged on the Z-axis slider.

[0007] Furthermore, buffers are provided at both ends of the first slide rail mounting seat and the second slide rail mounting seat.

[0008] Furthermore, a fixed ring mounting plate is provided on the Z-axis slider, a fixed ring is provided on the fixed ring mounting plate, and the digital dial indicator is fixedly provided on the fixed ring.

[0009] Furthermore, a dial indicator protective cover is provided between the fixing ring and the digital dial indicator, a measuring head protective cover is connected to the lower end of the fixing ring, and an extended measuring head is connected to the lower end of the measuring head of the digital dial indicator.

[0010] Furthermore, a button-type starting valve is provided on the side of the clamp mainboard.

[0011] The beneficial effects of the utility model include: by clamping and positioning the product, adjusting the position and height of the measuring head through a three-axis moving platform, and using the same measuring reference block to calibrate the dial indicator, the measuring accuracy is high, the operation is convenient, and the detection efficiency can be significantly improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 It is a structural schematic diagram of an embodiment of the utility model. DETAILED DESCRIPTION

[0014] The present invention will be further described in detail below in conjunction with specific embodiments and accompanying drawings.

[0015] A kind of Figure 1-2 The filter blank depth detection fixture shown includes a fixture main board 1, the top surface of the fixture main board 1 is a plane, and the top surface of the fixture main board 1 has a clamping station. A group of cylindrical floating locating pins 3 and diamond floating locating pins 4 arranged diagonally are provided on the clamping station, and at least three locating seats 5 are also provided on the clamping station. In this embodiment, the number of locating seats 5 is four, and the four locating seats 5 are of equal height. The filter blank is precisely positioned by a positioning method of two pins on one side. The locating seats 5 are distributed on the edge of the clamping station, and a lever clamping cylinder 6 is provided on one side of each locating seat 5. The lever clamping cylinder 6 is arranged on the fixture main board 1, and its pressing arm is pressed on the top of the locating seat 5. Only a button-type starting valve 22 is provided on the side of the fixture main board 1. The clamping and relaxation of the lever clamping cylinder 6 are controlled by the button-type starting valve 22.

[0016] A manual three-axis mobile platform is provided above the clamping station, on which a vertically arranged digital dial indicator 20 is provided, and a reference block 30 is provided on the fixture main board 1. During measurement, the digital dial indicator 20 is adjusted by adjusting the Z axis of the three-axis mobile platform so that when the measuring head contacts the top surface of the reference block 30, the digital dial indicator 20 is at zero position, and the Z axis is locked at the same time, and then the digital dial indicator is moved to multiple measuring positions to detect the depth.

[0017] The manual three-axis mobile platform includes two parallel arranged first slide rail mounting seats 7, on which the first slide rail mounting seats 7 are provided with first linear slide rails 8, on which two first linear slide rails 8 are provided with sliding blocks, on which the two sliding blocks are straddled with second slide rail mounting seats 9, on which the second linear slide rails 10 are provided, and on which the second linear slide rails 10 are provided with manual slide table mounting plates 11 through sliding blocks. A vertically arranged Z-axis slide table 12 is provided on the manual slide table mounting plates 11, on which the Z-axis slide table 12 is provided with a Z-axis slider 13, and on which the Z-axis slider 13 is provided with a locking bolt 14. A fixing ring mounting plate 15 is provided on the Z-axis slider 13, on which a fixing ring 16 is provided on the fixing ring mounting plate 15, and a digital dial indicator 20 is fixedly provided on the fixing ring 16.

[0018] In order to protect the digital dial indicator from collision during movement, buffers 17 are provided at both ends of the first slide rail mounting seat 7 and the second slide rail mounting seat 9 of the present embodiment.

[0019] A dial gauge protective cover 18 is further provided between the fixing ring 16 and the digital dial gauge 20, a measuring head protective cover 19 is connected to the lower end of the fixing ring 16, and an extended measuring head 21 is connected to the lower end of the measuring head of the digital dial gauge 20. The extended measuring head 21 is a tungsten steel ruby ​​extension rod.

[0020] The technical solutions provided by the embodiments of the present invention are introduced in detail above. Specific examples are used in this article to illustrate the principles and implementation methods of the embodiments of the present invention. The description of the above embodiments is only applicable to help understand the principles of the embodiments of the present invention. At the same time, for those skilled in the art, according to the embodiments of the present invention, there will be changes in the specific implementation methods and application scopes. In summary, the content of this specification should not be understood as a limitation on the present invention.

Claims

1. A filter blank depth detection fixture, characterized in that: The invention comprises a fixture main board (1), the top surface of which is a plane, the top surface of which has a clamping station, the clamping station being provided with a group of diagonally arranged cylindrical floating locating pins (3) and diamond-shaped floating locating pins (4), the clamping station being provided with at least three locating seats (5), the locating seats (5) being distributed at the edge of the clamping station, a lever clamping cylinder (6) being provided on one side of each locating seat (5), a manual three-axis movable platform being provided above the clamping station, a vertically arranged digital dial indicator (20) being provided on the manual three-axis movable platform, and a reference block (30) being provided on the fixture main board (1).

2. A filter blank depth detection fixture according to claim 1, characterized in that: The manual three-axis mobile platform comprises two first slide rail mounting seats (7) arranged in parallel, a first linear slide rail (8) is arranged on the first slide rail mounting seats (7), a slider is slidably arranged on the two first linear slide rails (8), a second slide rail mounting seat (9) is straddled on the two sliders, a second linear slide rail (10) is arranged on the second slide rail mounting seat (9), a manual slide table mounting plate (11) is slidably arranged on the second linear slide rail (10), a vertically arranged Z-axis slide table (12) is arranged on the manual slide table mounting plate (11), a Z-axis slider (13) is arranged on the Z-axis slide table (12), and a locking bolt (14) is arranged on the Z-axis slider (13).

3. A filter blank depth detection fixture according to claim 2, characterized in that: Buffers (17) are provided at both ends of the first slide rail mounting seat (7) and the second slide rail mounting seat (9).

4. A filter blank depth detection fixture according to claim 2, characterized in that: A fixed ring mounting plate (15) is arranged on the Z-axis slider (13), a fixed ring (16) is arranged on the fixed ring mounting plate (15), and the digital dial indicator (20) is fixedly arranged on the fixed ring (16).

5. A filter blank depth detection fixture according to claim 4, characterized in that: A dial gauge protection cover (18) is provided between the fixing ring (16) and the digital dial gauge (20), a measuring head protection cover (19) is connected to the lower end of the fixing ring (16), and an extended measuring head (21) is connected to the lower end of the measuring head of the digital dial gauge (20).

6. A filter blank depth detection fixture according to claim 1, characterized in that: A button-type starting valve (22) is provided on the side of the clamp main plate (1).

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