CN218297115U

CN218297115U - Flatness measuring device

Info

Publication number: CN218297115U
Application number: CN202222509592.2U
Authority: CN
Inventors: 马壮; 肖泽宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-01-13
Anticipated expiration: 2032-09-22

Abstract

The utility model provides a flatness measuring device. The flatness measuring apparatus includes: a base; first supporting leg, a plurality of the bottom fixed connection of first supporting leg is in the top of base, the top fixedly connected with bottom plate of first supporting leg, first screw hole has been seted up to the inside of bottom plate, the inside of first screw hole is provided with first threaded rod, first threaded rod bottom fixedly connected with crank, the top of first threaded rod is provided with the testboard, makes anchor clamps press from both sides to measuring article two sides through two sliders in the spout in adjustment anchor clamps bottom, and rethread second threaded rod passes the second screw hole to fix and makes to measure article and fix in the middle of two anchor clamps at the third screw hole, and it is rotatory to drive first threaded rod through rotatory crank, makes first threaded rod jack-up testboard, and when testing article contact and detect the head, it is suitable position to push up when showing numerical value for the numerical value table to reduce the operation degree of difficulty, improve and measure the precision.

Description

Flatness measuring device

Technical Field

The utility model relates to a flatness measurement field especially relates to a flatness measuring device.

Background

Flatness is one of form and position tolerances, and refers to the deviation of the height of a macro-relief on the surface of an object from an ideal plane. The plane is composed of straight lines, so that a straight ruler method, an optical alignment method, an optical auto-alignment method, a gravity method and the like in straightness measurement are all suitable for measuring flatness errors.

When measuring flatness, firstly measuring the straightness of several sections, and then using graphic method or calculation method to process data according to the value of each measuring point and flatness tolerance band definition (see form and position tolerance) to obtain flatness error.

At present, a three-coordinate measuring instrument, a feeler gauge and a dial indicator are commonly used for measuring the planeness, and the three-coordinate measuring instrument has high requirements on measuring environment, low measuring efficiency, complex operation and high price; the flatness measurement by using the feeler gauge and the dial indicator has the advantages of simple operation and low cost, but the measurement precision is low, and the requirement of measuring the flatness with high precision cannot be met.

Therefore, it is necessary to provide a flatness measuring apparatus to solve the above-mentioned technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides a flatness measuring device has solved the operation complicacy, problem that measurement accuracy is low.

In order to solve the technical problem, the utility model provides a flatness measuring device, include: a base;

first supporting leg, a plurality of the bottom fixed connection of first supporting leg is in the top of base, the top fixedly connected with bottom plate of first supporting leg, first screw hole has been seted up to the inside of bottom plate, the inside of first screw hole is provided with first threaded rod, the bottom fixedly connected with crank of first threaded rod, the top of first threaded rod is provided with the testboard, the top fixedly connected with a plurality of second supporting leg, a plurality of bottom plate the top fixedly connected with second slide rail of second supporting leg, two the outside of second slide rail is provided with the second slider, two one side sliding connection that the second slider is relative has first slide rail, two the outside sliding connection of first slide rail has the first slider of a plurality of, the side fixedly connected with testing arrangement of the first slider of a plurality of.

Preferably, the testing arrangement is including the shell, the top fixedly connected with support frame of shell, the top fixedly connected with numerical value table of support frame, the bottom fixedly connected with contact arm of numerical value table, the contact arm bottom is provided with first contact, the inside of shell is provided with the connecting block, the top fixedly connected with spring of connecting block, first recess has been seted up at the top of connecting block, the inside of first recess is provided with first contact, the bottom fixedly connected with detection lever of first contact, the bottom fixedly connected with detection head of detection lever.

Preferably, the bottom fixedly connected with telescopic link of testboard, the top of testboard is provided with two anchor clamps, two the bottom fixedly connected with third slider of anchor clamps, two the second screw hole has been seted up to relative one side of anchor clamps, a plurality of spout has been seted up at the testboard top.

Preferably, the top of the test board is provided with two second grooves, second threaded rods are arranged in the second grooves, and third threaded holes are formed in the opposite sides of the two second grooves.

Preferably, a plurality of second fixing holes are formed in adjacent sides of the second sliding rails, and first bolts are arranged on adjacent sides of the two second sliding blocks.

Preferably, a plurality of first fixing holes are formed in one side, adjacent to the first sliding rail, of each first sliding block, and second bolts are arranged on one side, adjacent to the first sliding blocks, of each first sliding block.

Preferably, a protection pad is arranged on one side opposite to the clamp.

Compared with the prior art, the utility model provides a flatness measuring device has following beneficial effect:

the utility model provides a flatness measuring device, measure article and put into the testboard top and make anchor clamps press from both sides to measure article two sides through two sliders in the spout of adjustment anchor clamps bottom, rethread second threaded rod passes the second screw hole to be fixed and makes to measure article and fix in the middle of two anchor clamps at the third screw hole, it is rotatory to drive first threaded rod through rotatory crank, make first threaded rod jack-up testboard, contact the detection head when testing article, it is suitable position when showing numerical value to push up to show numerical value table, thereby reduce the operation degree of difficulty, improve and measure the precision.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a flatness measuring apparatus provided in the present invention;

FIG. 2 is a left side view of the flatness measuring apparatus shown in FIG. 1;

FIG. 3 is a cross-sectional view of a test apparatus of the flatness measuring apparatus shown in FIG. 1;

FIG. 4 is a top plan view of a test station of the flatness measuring apparatus shown in FIG. 1;

FIG. 5 is a cross-sectional view of a test station of the flatness measuring apparatus shown in FIG. 1;

fig. 6 is a sectional left side view of a test stand of the flatness measuring apparatus shown in fig. 1.

Reference numbers in the figures: 1. the base, 2, first supporting leg, 3, testing arrangement, 301, shell, 302, support frame, 303, numerical value table, 304, contact lever, 305, second contact, 306, connecting block, 307, spring, 308, first contact, 309, detection pole, 310, detection head, 311, first recess, 4, bottom plate, 5, first screw hole, 6, first threaded rod, 7, crank, 8, test bench, 9, second supporting leg, 10, second slide rail, 11, second slider, 12, first slide rail, 13, first slider, 14, telescopic link, 15, anchor clamps, 16, third slider, 17, second screw hole, 18, spout, 19, second recess, 20, second threaded rod, 21, second fixed orifices, 22, first bolt, 23, first fixed orifices, 24, second bolt, 25, protection pad, 26, third screw hole.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5 and fig. 6, wherein fig. 1 is a schematic structural diagram of a preferred embodiment of a flatness measuring apparatus according to the present invention; FIG. 2 is a left side view of the flatness measuring apparatus shown in FIG. 1; FIG. 3 is a cross-sectional view of a test apparatus of the flatness measuring apparatus shown in FIG. 1; FIG. 4 is a top plan view of a test station of the flatness measuring apparatus of FIG. 1; FIG. 5 is a cross-sectional view of a test station of the flatness measuring apparatus of FIG. 1; fig. 6 is a sectional left side view of a test stand of the flatness measuring apparatus shown in fig. 1. The flatness measuring apparatus includes: a base 1;

first supporting leg 2, a plurality of the bottom fixed connection of first supporting leg 2 is in the top of base 1, the top fixedly connected with bottom plate 4 of first supporting leg 2, first screw hole 5 has been seted up to the inside of bottom plate 4, the inside of first screw hole 5 is provided with first threaded rod 6, the bottom fixedly connected with crank 7 of first threaded rod 6, the top of first threaded rod 6 is provided with testboard 8, a plurality of second supporting leg 9, a plurality of fixedly connected with in the top of bottom plate 4 the top fixedly connected with second slide rail 10 of second supporting leg 9, two the outside of second slide rail 10 is provided with second slider 11, two one side sliding connection that second slider 11 is relative has first slide rail 12, two the outside sliding connection of first slide rail 12 has the first slider 13 of a plurality of, the side fixedly connected with testing arrangement 3 of the first slider 13 of a plurality of.

The testing device comprises a shell 301, the top fixedly connected with support frame 302 of shell 301, the top fixedly connected with value table 303 of support frame 302, the bottom fixedly connected with contact lever 304 of value table 303, contact lever 304 bottom is provided with second contact 305, the inside of shell 301 is provided with connecting block 306, the top fixedly connected with spring 307 of connecting block 306, first recess 311 has been seted up at the top of connecting block 306, the inside of first recess 311 is provided with first contact 308, the bottom fixedly connected with of first contact 308 detects pole 309, the bottom fixedly connected with that detects pole 309 detects head 310.

When the object contacts the detection head 310, the detection head 310 drives the detection rod 309 to push the first contact 308 and the second contact 305 to contact, when the first contact 308 and the second contact 305 contact, the numerical value table can display the numerical value, and when the numerical value is displayed, the test object can be measured.

The bottom fixedly connected with telescopic link 14 of testboard 8, the top of testboard 8 is provided with two anchor clamps 15, two the bottom fixedly connected with third slider 16 of anchor clamps 15, two second screw hole 17 has been seted up to anchor clamps 15 relative one side, a plurality of spout 18 has been seted up at testboard 8 top.

The test bench 8 is prevented from being unstable when being jacked up through the telescopic rod 14, and the clamp 15 can be moved left and right through the third sliding block 16 in the sliding groove 18.

Two second grooves 19 are formed in the top of the test table 8, second threaded rods 20 are arranged in the second grooves 19, and third threaded holes 26 are formed in the opposite sides of the two second grooves 19.

The clamp 15 is secured by the second threaded rod 20 in the second recess 19 passing through the second threaded hole 17 and the third threaded hole 26.

A plurality of second fixing holes 21 are formed in adjacent sides of the second slide rail 10, and first bolts 22 are arranged on adjacent sides of the two second slide blocks 11.

The front and rear positions of the test apparatus can be adjusted by rotating the first pin 22 inserted into the second fixing hole 21.

A plurality of first fixing holes 23 are formed in adjacent sides of the first slide rails 12, and second bolts 24 are arranged on adjacent sides of the two first slide blocks 13.

The left and right positions of the test apparatus can be adjusted by rotating the second pin 24 inserted into the first fixing hole 23.

The opposite side of the clamp 15 is provided with a protective pad 25.

The clamp 15 prevents the object from being damaged by the clamp holder when clamping the object to be measured by the protection pad 25.

The utility model provides a flatness measuring device's theory of operation as follows:

when the test article is fixed, the top of the test platform 8 is placed in the test article, the clamp 15 is clamped to two sides of the test article by adjusting two third sliding blocks 16 in the sliding grooves 18 at the bottom of the clamp 15, the second threaded rod 20 passes through the second threaded hole 17 to be fixed in the middle of the two clamps 15 by fixing the test article in the third threaded hole 26, the first threaded rod 6 is driven to rotate by the rotary crank 7, the test platform 8 is jacked up by the first threaded rod 6, the test article contacts the detection head 310, and the top is in a proper position when the numerical value table 303 displays numerical values.

When the testing device 3 is adjusted, the first bolt 22 inserted into the second fixing hole 21 is rotated out to adjust the front and rear positions of the testing device, and the second bolt 24 inserted into the first fixing hole 23 is rotated out to adjust the left and right positions of the testing device.

When an object is measured, when the object contacts the detection head 310, the detection head 310 pushes the detection rod 309 to make the first contact head 308 contact with the second contact head 305, when the first contact head 308 contacts with the second contact head 305, the numerical value table can display numerical values, and when the numerical values are displayed, the test object can be measured.

it makes anchor clamps 15 press from both sides to measuring article two sides to put into the testboard 8 top of measuring article through two third sliders 16 in spout 18 in adjustment anchor clamps 15 bottom, rethread second threaded rod 20 passes second screw hole 17 to be fixed at third screw hole 26 and makes measuring article fix in the middle of two anchor clamps 15, it is rotatory to drive first threaded rod 6 through rotatory crank 7, make first threaded rod 6 jack-up testboard 8, contact when testing article and detect head 310, it is suitable position when showing numerical value for numerical value table 303 to jack-up, thereby reduce the operation degree of difficulty, improve and measure the precision.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A flatness measuring apparatus, comprising: a base;

first supporting leg, a plurality of the bottom fixed connection of first supporting leg is in the top of base, the top fixedly connected with bottom plate of first supporting leg, first screw hole has been seted up to the inside of bottom plate, the inside of first screw hole is provided with first threaded rod, first threaded rod bottom fixedly connected with crank, the top of first threaded rod is provided with the testboard, the top fixedly connected with a plurality of second supporting leg of bottom plate, a plurality of the top fixedly connected with second slide rail of second supporting leg, two the outside of second slide rail is provided with the second slider, two one side sliding connection that the second slider is relative has first slide rail, two the first slider of first slide rail outside sliding connection has a plurality of, the side fixedly connected with testing arrangement of the first slider of a plurality of.

2. The flatness measuring device according to claim 1, wherein the testing device comprises a housing, a supporting frame is fixedly connected to the top of the housing, a numerical value table is fixedly connected to the top of the supporting frame, a contact rod is fixedly connected to the bottom of the numerical value table, a first contact head is arranged at the bottom of the contact rod, a connecting block is arranged inside the housing, a spring is fixedly connected to the top of the connecting block, a first groove is formed in the top of the connecting block, a first contact head is arranged inside the first groove, a detection rod is fixedly connected to the bottom of the first contact head, and a detection head is fixedly connected to the bottom of the detection rod.

3. The flatness measuring device according to claim 1, wherein a telescopic rod is fixedly connected to the bottom of the test table, two clamps are arranged at the top of the test table, third slide blocks are fixedly connected to the bottoms of the two clamps, second threaded holes are formed in opposite sides of the two clamps, and a plurality of sliding grooves are formed in the top of the test table.

4. The flatness measuring device according to claim 3, wherein two second grooves are formed in the top of the test platform, a second threaded rod is arranged in each second groove, and a third threaded hole is formed in one side, opposite to each other, of each second groove.

5. The flatness measuring device according to claim 1, wherein a plurality of second fixing holes are formed in adjacent sides of the two second slide rails, and a first bolt is arranged on adjacent sides of the two second slide blocks.

6. The flatness measuring device according to claim 1, wherein a plurality of first fixing holes are formed in adjacent sides of the two first sliding rails, and a second bolt is arranged in adjacent sides of the two first sliding blocks.

7. A flatness measuring device according to claim 3, wherein the opposite sides of the two clamps are provided with protective pads.