CN220472538U - Workpiece verticality detection tool - Google Patents

Abstract

The utility model provides a work piece straightness detects frock that hangs down, it includes: the vacuum suction base comprises a bottom plate, a first base, a boss, a vacuum suction base, a second base, an X-direction movement mechanism, a Z-direction movement mechanism and a micrometer. When the vacuum suction device is operated, the Z-direction movement mechanism is positioned at the initial position of the Z direction, the measuring head of the micrometer is positioned at the initial position, and the workpiece is sucked and fixed on the vacuum suction seat through the vacuum suction seat by suction of the external vacuum suction device. The X-direction movement mechanism drives the Z-direction movement mechanism and the micrometer to move along the X direction relative to the first base until the measuring head of the micrometer contacts the outer surface of the workpiece. And then, the Z-direction movement mechanism drives the micrometer to vertically translate downwards or upwards along the Z direction so as to test the X-direction coordinates of each point on the outer surface of the workpiece, which is in the same straight line along the Z direction, and the perpendicularity of the outer surface of the workpiece is determined based on the X-direction coordinates of each point.

Description

Workpiece verticality detection tool

Technical Field

The present disclosure relates to the field of inspection tools, and more particularly to workpiece perpendicularity inspection tools.

Background

Verticality, for evaluating the verticality between lines, between planes, or between lines and planes. One of the straight lines or the plane is an evaluation reference, the straight line can be a straight line part or straight line motion of the measured sample, and the plane can be a plane formed by a plane part or motion track of the measured sample.

The verticality of the workpiece is usually detected by adopting a three-coordinate measuring instrument, the three-coordinate measuring instrument is relatively precise, special personnel are required to operate the three-coordinate measuring instrument, the equipment learning period is long, and the comprehensive quality requirement on equipment operators is high. Thus having the following drawbacks: (1) slow detection efficiency; (2) The requirements on personnel skills are high, and the comprehensive skill requirement capability is strong; (3) the device cannot move.

In the tooling for detecting the verticality of the part disclosed in Chinese patent application grant publication No. CN210426390U of 28-day grant publication in 4/2020, a rotary plate is utilized to rotate around a mandrel to drive a gauge outfit to rotate, and the gauge outfit is detected to read the verticality of the part to be detected placed on the mandrel in the rotating process. The patent measures the plane formed by the circular motion of the part to be measured, and the detection gauge head needs to rotate one circle to read the height difference of the part to be measured. However, in the rotation process, the centrifugal force can generate larger stress to the to-be-measured piece so as to cause deformation, and meanwhile, vibration and torsion of the rotating plate can also cause displacement and deformation of the to-be-measured piece in the rotation process, so that the measurement result of the perpendicularity of the to-be-measured piece can be influenced.

Disclosure of Invention

In view of the problems existing in the background art, an object of the present disclosure is to provide a workpiece verticality detection tool, which has simple detection method, low technical level requirements for operators, and high detection efficiency.

It is still another object of the present disclosure to provide a workpiece verticality detection tool capable of ensuring accuracy of measurement accuracy.

It is still another object of the present disclosure to provide a workpiece verticality detection tool, which is portable as a whole, improves the application range of the tool, does not need to be reinstalled or adjusted, and reduces the detection cost and the handling and operation time of the workpiece.

Thus, in some embodiments, a workpiece perpendicularity detection tool comprises: the vacuum suction base comprises a bottom plate, a first base, a boss, a vacuum suction base, a second base, an X-direction movement mechanism, a Z-direction movement mechanism and a micrometer. The bottom plate is a flat plate with the upper and lower surfaces being horizontal planes. The first base is fixed on the upper surface of the bottom plate, and the upper surface of the first base is parallel to the upper surface of the bottom plate. The boss is detachably fixed in the center of first base, and the boss is equipped with the ring and the lower holding surface that the ring surrounded of taking the opening, and the lower holding surface is on a parallel with the upper surface of first base, and the center of ring and the center of first base, the central coaxial line of boss. The vacuum suction seat is detachably accommodated in the circular ring and is used for accommodating and vacuum-absorbing and fixing a workpiece on the vacuum suction seat from the lower side, the vacuum suction seat is provided with a body, an opening and a suction interface, the opening is communicated with the suction interface through a channel in the body, and the suction interface of the vacuum suction seat is accommodated in a notch of the circular ring and is used for being connected with an external vacuum suction device. The second base is fixed on the upper surface of the bottom plate and is positioned on one side of the first base along the X direction. The X-direction movement mechanism is fixed on the second base and can horizontally translate in the X direction relative to the second base. The Z-direction movement mechanism is fixed on the X-direction movement mechanism and can vertically translate up and down in the Z direction relative to the X-direction movement mechanism. The micrometer is fixed on the Z-direction movement mechanism and can vertically move up and down along with the support of the Z-direction movement mechanism, and the micrometer comprises a measuring head and a pointer disc, wherein the measuring head is used for being in contact with the outer surface of a workpiece.

When the vacuum suction device is operated, the Z-direction movement mechanism is positioned at the initial position of the Z direction, the measuring head of the micrometer is positioned at the initial position, and the workpiece is sucked and fixed on the vacuum suction seat through the vacuum suction seat by suction of the external vacuum suction device. The X-direction movement mechanism drives the Z-direction movement mechanism and the micrometer to move along the X direction relative to the first base until the measuring head of the micrometer contacts the outer surface of the workpiece. And then, the Z-direction movement mechanism drives the micrometer to vertically translate downwards or upwards along the Z direction so as to test the X-direction coordinates of each point on the outer surface of the workpiece, which is positioned on the same straight line along the Z direction, and the perpendicularity of the outer surface of the workpiece is determined based on the X-direction coordinates of each point.

The beneficial effects of the present disclosure are as follows: compared with the tool for detecting the verticality of the part in the background art, the detection efficiency is low because the tool measures the plane formed by the circular motion of the part to be detected and the three coordinate values of all measurement points are measured one by the three-coordinate measuring instrument and then are led into the computer for processing.

In the workpiece verticality detection tool 100 disclosed by the utility model, referring to fig. 1 to 3, the bottom plate 1, the first base 2 and the boss 3 are sequentially positioned on a horizontal plane and stacked from bottom to top, so that the vacuum suction seat 4 and the workpiece 200 positioned on the vacuum suction seat 4 are also positioned on the horizontal plane, and the micrometer 8 is horizontally moved in the horizontal direction and the vertical direction, so that the workpiece 200 and the micrometer 8 are ensured to be only contacted on the plane formed by the X direction and the Z direction, the accuracy of measurement precision is further ensured, the workpiece 200 and the micrometer 8 do not need to be relatively rotated, and the displacement and deformation of a workpiece to be measured caused by vibration and torsion in the rotating process of the tool for detecting the verticality of the part in the background technology are prevented from influencing the measurement result of the verticality of the workpiece to be measured, and further the accuracy of measurement precision is influenced.

Drawings

Fig. 1 is an assembly view of a workpiece perpendicularity detection tool according to the present disclosure.

Fig. 2 is an exploded view according to fig. 1.

Fig. 3 is an assembly view according to another angle of fig. 1.

Wherein reference numerals are as follows:

100 work piece straightness detection frock 5 second base that hangs down

1-bottom plate 6X direction movement mechanism

2 first base 61 slide rail

21 channel 62 slider

3 boss 7Z direction motion mechanism

31 circular ring 71 guide rail

31a gap 72 slider

31b upper end surface 73L-shaped plate

32 lower support surface 73a vertical plate

33 base 73b horizontal plate

33a through hole 8 micrometer

4 vacuum suction seat 81 measuring head

41 body 82 pointer disk

42 open pore 9 screw

43 air suction interface 91 cap

44 annular flange 92 screw

45 convex 10 nut

45a conical surface 200 workpiece

45b cylindrical surface

Detailed Description

The drawings illustrate embodiments of the present disclosure, and it is to be understood that the disclosed embodiments are merely examples of the disclosure that may be embodied in various forms and that, therefore, specific details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously practice the disclosure.

It is noted that in the present utility model, the use of the terms "first" and "second" are merely used to denote components, and are not intended to represent interdependencies or relative importance between the components.

[ workpiece perpendicularity detection tool ]

Referring to fig. 1 to 3, a workpiece verticality detection tool 100 according to the present disclosure includes: the vacuum suction base comprises a bottom plate 1, a first base 2, a boss 3, a vacuum suction base 4, a second base 5, an X-direction movement mechanism 6, a Z-direction movement mechanism 7 and a micrometer 8. The bottom plate 1 is a flat plate with the upper and lower surfaces being horizontal planes. The first base 2 is fixed on the upper surface of the bottom plate 1, and the upper surface of the first base 2 is parallel to the upper surface of the bottom plate 1. The boss 3 is detachably fixed at the center of the first base 2, the boss 3 is provided with a circular ring 31 with a notch 31a and a lower supporting surface 32 surrounded by the circular ring 31, the lower supporting surface 32 is parallel to the upper surface of the first base 2, and the center of the circular ring 31 is coaxial with the center of the first base 2 and the center of the boss 3. The vacuum chuck 4 is detachably accommodated in the circular ring 31, the vacuum chuck 4 is used for accommodating and vacuum-adsorbing and fixing the workpiece 200 thereon from below, the vacuum chuck 4 is provided with a body 41, an opening 42 and a suction port 43, the opening 42 is communicated with the suction port 43 through a channel (not shown) inside the body 41, and the suction port 43 of the vacuum chuck 4 is accommodated in a notch 31a of the circular ring 31 and is used for connecting an external vacuum suction device (not shown). The second base 5 is fixed to the upper surface of the base plate 1 and is located at one side of the first base 2 in the X direction. The X-direction moving mechanism 6 is fixed to the second base 5 and is horizontally translatable in the X-direction with respect to the second base 5. The Z-direction moving mechanism 7 is fixed to the X-direction moving mechanism 6 and is capable of vertically translating up and down in the Z-direction with respect to the X-direction moving mechanism 6. The micrometer 8 is fixed on the Z-direction movement mechanism 7 and can vertically move up and down along with the support of the Z-direction movement mechanism 7, the micrometer 8 comprises a measuring head 81 and a pointer disc 82, and the measuring head 81 is used for being in contact with the outer surface of the workpiece 200.

In operation, the Z-direction movement mechanism 7 is in the initial position in the Z-direction, the gauge head 81 of the micrometer 8 is in the initial position, and suction from the external vacuum suction device vacuum-suctions and fixes the workpiece 200 to the vacuum suction base 4 via the vacuum suction base 4. The X-direction movement mechanism 6 drives the Z-direction movement mechanism 7 and the micrometer 8 to move along the X-direction relative to the first base 2 until the measuring head 81 of the micrometer 8 contacts the outer surface of the workpiece 200. Then, the Z-direction movement mechanism 7 drives the micrometer 8 to vertically translate downwards or upwards along the Z-direction, so as to test the X-direction coordinates of each point on the outer surface of the workpiece 200, which is in the same straight line along the Z-direction, and determine the perpendicularity of the outer surface of the workpiece 200 based on the X-direction coordinates of each point.

Compared with the tool for detecting the verticality of the part in the background art, the detection efficiency is low because the tool measures the plane formed by the circular motion of the part to be detected and the three coordinate values of all measurement points are measured one by the three-coordinate measuring instrument and then are led into the computer for processing.

In the workpiece verticality detection tool 100 disclosed by the utility model, referring to fig. 1 to 3, the bottom plate 1, the first base 2 and the boss 3 are sequentially positioned on a horizontal plane and stacked from bottom to top, so that the vacuum suction seat 4 and the workpiece 200 positioned on the vacuum suction seat 4 are also positioned on the horizontal plane, and the micrometer 8 is horizontally moved in the horizontal direction and the vertical direction, so that the workpiece 200 and the micrometer 8 are ensured to be only contacted on the plane formed by the X direction and the Z direction, the accuracy of measurement precision is further ensured, the workpiece 200 and the micrometer 8 do not need to be relatively rotated, and the displacement and deformation of a workpiece to be measured caused by vibration and torsion in the rotating process of the tool for detecting the verticality of the part in the background technology are prevented from influencing the measurement result of the verticality of the workpiece to be measured, and further the accuracy of measurement precision is influenced.

In an example, referring to fig. 1 to 3, the first susceptor 2 may be cylindrical in shape, and the structure is more stable, and the center of the boss 3 and the center of the first susceptor 2 are more easily defined on one axis. In another example, the first base 2 may also be square or other suitable shape.

In one example, the vacuum chuck 4 may be adapted to a wafer, cylinder, or square bar shaped workpiece. Wherein the diameter of the wafer or cylindrical workpiece is 10-100mm.

The vacuum suction seat 4 can conveniently and rapidly suck and fix the workpiece 200 by utilizing a vacuum suction mode, so that the installation mode of the workpiece 200 is simple.

In one example, the micrometer 8 may be a dial gauge, or a digital measurement device.

In an example, referring to fig. 2, the workpiece verticality detection tool 100 further includes a plurality of screws 9 and a plurality of nuts 10, each screw 9 having a cap 91 and a screw 92. The first base 2 has a plurality of channels 21, one ends of the plurality of channels 21 at the center of the first base 2 communicate, and diametrically opposite other ends of the plurality of channels 21 extend to the peripheral surface of the first base 2 and open, each channel 21 opening at the upper surface of the first base 2. The boss 3 has a base 33, and the base 33 is provided with a plurality of through holes 33a penetrating in the Z direction.

In operation, the cap 91 and the threaded rod 92 of the screw 9 are inserted into the corresponding channel 21, the threaded rod 92 passes through the corresponding through hole 33a of the boss 3 from below to above, the nuts 10 are screwed onto the corresponding threaded rod 92, and when the center of the ring 31 is coaxial with the center of the first base 2 and the center of the boss 3, each nut 10 is screwed to fix the boss 3 on the first base 2.

In an example, referring to fig. 2, the plurality of channels 21 are three channels, the adjacent channels 21 are included by 120 degrees, and the evenly distributed channels 21 facilitate the screws 9 to horizontally fix the boss 3 on the first base 2, so as to avoid that the center of gravity of the boss 3 is shifted or unevenly loaded on the boss 3, the vacuum suction seat 4 and the workpiece 200 located on the vacuum suction seat 4 cause that the workpiece 200 cannot be located on a horizontal plane, and the accuracy of the detection result is affected.

In an example, referring to fig. 2, the ring 31 has an upper end surface 31b, the upper end surface 31b being a horizontal surface, and the upper end surface 31b is used to support the vacuum chuck 4 and position the vacuum chuck 4 on the horizontal surface.

Referring to fig. 2, the vacuum holder 4 further has an annular flange 44, and the opening 42 is provided on the upper surface of the body 41. An annular flange 44 protrudes outward from the upper end of the body 41, and the lower surface of the annular flange 44 is a horizontal plane. The annular flange 44 is adapted to be supported on the upper end face 31b of the circular ring 31 such that the annular flange 44 is also located on a horizontal plane.

In one example, referring to fig. 2, the upper surface of the body 41 is a horizontal plane. The vacuum suction seat 4 is further provided with a plurality of convex parts 45, the convex parts 45 are circumferentially spaced along the upper surface of the annular flange 44, the convex parts 45 are round, the convex parts 45 are used for accommodating the workpiece 200 and limiting the movement of the workpiece 200, the limiting workpiece 200 is prevented from being in relative contact with the micrometer 8 during measurement, the limiting workpiece 200 is prevented from translating, and the detection accuracy is reduced.

In an example, referring to fig. 2, a side of each of the protrusions 45, which is rounded near the plurality of protrusions 45, has a tapered surface 45a for guiding the cylindrical work 200 and a cylindrical surface 45b for radially abutting against the outer surface of the work 200.

In an example, referring to fig. 1 to 3, the x-direction movement mechanism 6 includes: a slide rail 61 fixedly mounted on the second base 5 and extending in the X direction; a slider 62 slidably mounted on the slide rail 61 and translatable in the X direction relative to the second base 5; the Z-direction moving mechanism 7 is fixedly mounted on the slider 62. In one example, the slide 62 may translate 100-150mm in the X direction.

In an example, referring to fig. 1 to 3, the z-direction movement mechanism 7 includes: a guide rail 71 fixedly mounted on the X-direction moving mechanism 6 and extending in the Z-direction; the slider 72 is slidably mounted on the rail 71 and is translatable in the Z direction relative to the rail 71. The dial 82 of the micrometer 8 is fixed to the slider 72. In one example, the slide 72 may translate 10-50mm in the Z-direction.

In which, referring to fig. 1 to 3, the slider 72 is embodied as a slider, which can move on the guide rail 71 more stably and accurately, thereby improving the accuracy and stability of detection.

In an example, referring to fig. 1 to 3, the slider 62 and the slider 72 are respectively provided with a knob, and by rotating the knob, the slider 62 and the slider 72 are precisely controlled and the micrometer 8 is driven to translate horizontally and vertically, so that the accuracy of measurement is improved.

In one example, referring to fig. 1 to 3, the z-direction movement mechanism 7 further includes an L-shaped plate 73. The L-shaped plate 73 includes a vertical plate 73a and a horizontal plate 73b, the vertical plate 73a being fixed to the slider 72, the horizontal plate 73b being used to fix the dial 82 of the micrometer 8.

In an example, the workpiece verticality detection tool 100 is portable as a whole, so that the application range of the tool is increased, reinstallation or adjustment is not needed, and the detection cost and the conveying and operating time of the workpiece are reduced.

[ test ]

Table 1 shows the comparison of the workpiece verticality detection tool of the present disclosure with the results of the verticality test of the workpieces 1-5 of the three-coordinate measuring machine.

Table 1 comparison table of workpiece verticality detection tool and verticality test result of three-coordinate measuring instrument

As can be seen from table 1, the workpiece verticality detection tool disclosed by the utility model has high measurement precision, and the difference value between the workpiece verticality detection tool and the three-coordinate measuring instrument is within +/-0.003 mm.

The various exemplary embodiments are described using the above detailed description, but are not intended to be limited to the combinations explicitly disclosed herein. Thus, unless otherwise indicated, the various features disclosed herein may be combined together to form a number of additional combinations that are not shown for the sake of brevity.

Claims (10)

1. A workpiece verticality detection tool is characterized in that,

work piece straightness detection frock (100) that hangs down includes:

the bottom plate (1) is a flat plate with the upper and lower surfaces being horizontal planes;

a first base (2) fixed on the upper surface of the bottom plate (1) and the upper surface of the first base (2) is parallel to the upper surface of the bottom plate (1),

the boss (3) is detachably fixed at the center of the first base (2), the boss (3) is provided with a circular ring (31) with a notch (31 a) and a lower supporting surface (32) surrounded by the circular ring (31), the lower supporting surface (32) is parallel to the upper surface of the first base (2), the center of the circular ring (31) is coaxial with the center of the first base (2) and the center of the boss (3),

the vacuum suction seat (4) is detachably accommodated in the circular ring (31), the vacuum suction seat (4) is used for accommodating and vacuum-absorbing and fixing a workpiece (200) on the vacuum suction seat from below, the vacuum suction seat (4) is provided with a body (41), an opening (42) and a suction interface (43), the opening (42) is communicated with the suction interface (43) through a channel in the body (41), and the suction interface (43) of the vacuum suction seat (4) is accommodated in a notch (31 a) of the circular ring (31) and is used for being connected with an external vacuum suction device;

the second base (5) is fixed on the upper surface of the bottom plate (1) and is positioned at one side of the first base (2) along the X direction;

an X-direction movement mechanism (6) fixed on the second base (5) and capable of horizontally translating in the X-direction relative to the second base (5),

the Z-direction movement mechanism (7) is fixed on the X-direction movement mechanism (6) and can vertically translate up and down in the Z direction relative to the X-direction movement mechanism (6),

the micrometer (8) is fixed on the Z-direction movement mechanism (7) and can vertically move up and down along with the support of the Z-direction movement mechanism (7), the micrometer (8) comprises a measuring head (81) and a pointer disc (82), and the measuring head (81) is used for being in contact with the outer surface of the workpiece (200);

when in operation, the Z-direction movement mechanism (7) is positioned at the initial position of the Z direction, the measuring head (81) of the micrometer (8) is positioned at the initial position, the workpiece (200) is sucked and fixed on the vacuum suction seat (4) by the suction of the external vacuum suction device through the vacuum suction seat (4),

the X-direction movement mechanism (6) drives the Z-direction movement mechanism (7) and the micrometer (8) to move along the X-direction relative to the first base (2) until a measuring head (81) of the micrometer (8) contacts the outer surface of the workpiece (200);

and then, the Z-direction movement mechanism (7) drives the micrometer (8) to vertically downwards or upwards translate along the Z direction so as to test the X-direction coordinates of each point on the outer surface of the workpiece (200) which is in the same straight line along the Z direction, and the perpendicularity of the outer surface of the workpiece (200) is determined based on the X-direction coordinates of each point.

2. The workpiece verticality detection tool according to claim 1, wherein,

the workpiece verticality detection tool (100) further comprises a plurality of screws (9) and a plurality of nuts (10), each screw (9) is provided with a cap body (91) and a screw rod (92),

the first base (2) has a plurality of channels (21), one ends of the plurality of channels (21) at the center of the first base (2) are communicated, the diametrically opposite other ends of the plurality of channels (21) extend to the peripheral surface of the first base (2) and are open, and each channel (21) is open at the upper surface of the first base (2);

the boss (3) is provided with a base (33), and the base (33) is provided with a plurality of through holes (33 a) penetrating along the Z direction;

in operation, the cap body (91) of the screw (9) and the screw rod (92) enter the corresponding channel (21), the screw rod (92) passes through the corresponding through hole (33 a) of the boss (3) from bottom to top, the nuts (10) are screwed on the corresponding screw rod (92), and when the center of the circular ring (31) is coaxial with the center of the first base (2) and the center of the boss (3), the nuts (10) are screwed down to fix the boss (3) on the first base (2).

3. The workpiece verticality detection tool according to claim 2, wherein,

the plurality of channels (21) are three channels, and the adjacent channels (21) are included angles of 120 degrees.

4. The workpiece verticality detection tool according to claim 1, wherein,

the ring (31) has an upper end surface (31 b), the upper end surface (31 b) is a horizontal surface,

the vacuum suction seat (4) is also provided with an annular flange (44), and the opening (42) is arranged on the upper surface of the body (41);

an annular flange (44) protrudes outwards from the upper end of the body (41), and the lower surface of the annular flange (44) is a horizontal plane;

the annular flange (44) is for supporting on the upper end face (31 b) of the annular ring (31).

5. The workpiece verticality detection tool according to claim 4, wherein,

the upper surface of the body (41) is a horizontal plane,

the vacuum suction seat (4) is also provided with a plurality of convex parts (45), the convex parts (45) are circumferentially spaced along the upper surface of the annular flange (44), and the convex parts (45) are enclosed into a circle.

6. The workpiece verticality detection tool according to claim 5, wherein,

the side of each convex portion (45) close to the circle surrounded by the plurality of convex portions (45) is provided with a conical surface (45 a) and a cylindrical surface (45 b), the conical surface (45 a) is used for guiding the cylindrical workpiece (200), and the cylindrical surface (45 b) is used for abutting against the outer surface of the workpiece (200) from the radial direction.

7. The workpiece verticality detection tool according to claim 1, wherein,

the X-direction movement mechanism (6) comprises:

a slide rail (61) fixedly mounted on the second base (5) and extending in the X direction,

the sliding block (62) is arranged on the sliding rail (61) in a sliding fit manner and can translate in the X direction relative to the second base (5);

the Z-direction movement mechanism (7) is fixedly arranged on the sliding block (62).

8. The workpiece verticality detection tool according to claim 1, wherein,

the Z-direction movement mechanism (7) comprises:

a guide rail (71) fixedly installed on the X-direction movement mechanism (6) and extending along the Z-direction,

a slider (72) slidably mounted on the guide rail (71) and translatable in the Z-direction relative to the guide rail (71),

a dial (82) of the micrometer (8) is fixed to the slider (72).

9. The workpiece verticality detection tool according to claim 8, wherein,

the Z-direction movement mechanism (7) also comprises an L-shaped plate (73),

the L-shaped plate (73) comprises a vertical plate (73 a) and a horizontal plate (73 b), wherein the vertical plate (73 a) is fixed on the sliding piece (72), and the horizontal plate (73 b) is used for fixing a pointer disc (82) of the micrometer (8).

10. The workpiece perpendicularity detection tool according to claim 1, characterized in that the workpiece perpendicularity detection tool (100) is entirely portable.