CN218155838U

CN218155838U - Precision position measuring instrument

Info

Publication number: CN218155838U
Application number: CN202222001680.1U
Authority: CN
Inventors: 李志刚
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-07-31
Filing date: 2022-07-31
Publication date: 2022-12-27
Anticipated expiration: 2032-07-31

Abstract

The utility model discloses an accurate position measuring instrument, which comprises a herringbone bracket, wherein three support columns are fixedly arranged on the right side of the herringbone bracket, a fixed adjusting frame is fixedly arranged on the left side of the herringbone bracket in an integrated manner, a moving block is movably arranged above the fixed adjusting frame, and a dial indicator is arranged above the moving block; the connection sliding groove is formed in the inner surface of the herringbone support, a connection sliding block is arranged inside the connection sliding groove, and an adjustable cantilever is arranged below the connection sliding block. This precision position measuring instrument can ensure through chevron shape support and three support column that measuring instrument and the work piece terminal surface of processing closely laminate and the complete perpendicular to work piece to use the percentage table can directly read out the actual error between work piece and the standard sample piece of processing, the error that the percentage table shows can be accurate to 0.01mm, the secondary adjustment of being convenient for, in order to guarantee measuring accuracy, guarantee processingquality.

Description

Precision position measuring instrument

Technical Field

The utility model relates to a work piece processing technology field specifically is an accurate position measurement instrument.

Background

Along with the continuous development of numerical control technology, the position positioning precision of the spare part in the machining process is greatly improved, but the grade of the machined spare part is reduced due to the reduction of the precision of a machine tool and the accumulated error generated by abnormal abrasion of a cutter in the machining process, and if the measurement and correction are not carried out in time midway, the position precision is over-poor in severe cases, so that the scrapped spare part is generated.

The existing spare parts are various in forms, grooves or round holes of different types are formed in all parts, measuring tools such as vernier calipers are used for measuring, the operation difficulty is high, the position accuracy is difficult to guarantee due to visual errors, and the precision position measuring instrument is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate position measurement instrument to it is various to propose present spare part form itself in solving above-mentioned background art, and each position has different types of recess or round hole, uses measuring tools such as slide caliper to measure not only the operation degree of difficulty big but also because the range estimation error is difficult to the problem of guaranteeing the position precision.

In order to achieve the above purpose, the utility model provides a following technical scheme: a precise position measuring instrument comprises a herringbone support, wherein three support columns are fixedly mounted on the right side of the herringbone support, a fixed adjusting frame is integrally and fixedly mounted on the left side of the herringbone support, a moving block is movably mounted above the fixed adjusting frame, and a dial indicator is mounted above the moving block;

the connection sliding groove is formed in the inner surface of the herringbone support, a connection sliding block is arranged inside the connection sliding groove, an adjustable cantilever is arranged below the connection sliding block, two spring pieces are arranged below the adjustable cantilever, a mounting seat is arranged below the spring pieces, and a cantilever adjusting bolt is arranged above the herringbone support.

Preferably, the herringbone support is in a herringbone structure, the support columns are perpendicular to the herringbone support, and the positions of the three support columns are in a triangular structure.

Preferably, the connecting sliding block is fixedly connected with the adjustable cantilever in an integrated manner, the adjustable cantilever moves on the herringbone support through the connecting sliding block and the connecting sliding groove, and the adjustable cantilever is elastically connected with the mounting seat through the spring piece.

Preferably, the moving block is further provided with:

and the adjusting screw rod is arranged inside the moving block.

Preferably, the adjusting screw rod penetrates through the moving block, the adjusting screw rod is in threaded connection with the moving block, and the moving block moves on the fixed adjusting frame through the adjusting screw rod.

Preferably, the mount pad still is equipped with:

the installation constant head tank, it is seted up the inside of mount pad, the internally mounted of installation constant head tank has the measuring block, the installation through-hole has been seted up to the top of installation constant head tank, the internally mounted of installation through-hole has the fixed block, the movable groove has been seted up to the inside of fixed block, the internally mounted of movable groove has the block spring, the removal fixture block is installed in the left side of block spring.

Preferably, the fixed block with measure a block integral type fixed connection, and the local shape and size with installation constant head tank inside of measuring the block is identical to the fixed block is rectangular columnar structure, and the local shape and size with installation through-hole inside of fixed block is identical simultaneously, remove the fixture block and pass through block spring and activity groove elastic connection, and remove the fixture block and realize removing in the inside of activity groove to the measuring block passes through fixed block, installation constant head tank, installation through-hole and removes the fixture block and realize the block with the mount pad.

Compared with the prior art, the utility model provides an accurate position measurement instrument possesses following beneficial effect: the precise position measuring instrument can ensure that the measuring instrument is tightly attached to the end face of a workpiece to be processed and is completely perpendicular to the workpiece through the herringbone support and the three support columns, actual errors between the workpiece to be processed and a standard sample block can be directly read out by using the dial indicator, errors displayed by the dial indicator can be accurate to 0.01mm, secondary adjustment is facilitated, measuring accuracy is ensured, and processing quality is ensured.

1. The utility model can ensure that the measuring instrument is closely attached to the end face of the workpiece to be processed and is completely vertical to the workpiece through the herringbone bracket and the three support columns, and can directly read out the actual error between the workpiece to be processed and the standard sample block by using the dial indicator, the error displayed by the dial indicator can be accurate to 0.01mm, thereby facilitating the secondary adjustment, ensuring the accuracy of the measurement and the processing quality; meanwhile, the use of the spring piece breaks through the rigidity measurement mode of the conventional measuring tool, and the measuring block can completely enter the processed shape after slight left and right force application when the measuring block enters the processed shape for primary measurement, so that the measuring block is completely arranged in the center of the processed shape, and the measuring error caused by the clamping of the measuring block can be avoided;

2. the utility model realizes the adjustment of the position of the adjustable cantilever through the cantilever adjusting bolt, the connecting slide block and the connecting chute, so that the measuring block is moved to a designated position according to the distance between the required processing shape and the end face of the workpiece, and further the processing shapes at different positions can be precisely measured, and simultaneously the moving block and the dial indicator are pushed to move by rotating the adjusting screw rod, so that the detection end of the dial indicator is always in contact with the mounting seat, and further spare parts with farther distance between the processing groove and the end face are measured;

3. the utility model discloses a fixed block, installation constant head tank, installation through-hole, removal fixture block and block spring will measure the piece block joint and install the inside at the mount pad for the installation of measuring the piece becomes simple and convenient with the dismantlement operation, so that install on measuring instrument and use according to the measuring piece of the different shapes of actual processing condition arbitrary preparation, broken measuring instrument's limitation, strengthened adaptability, use accurate, convenient, swift.

Drawings

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

FIG. 2 is a schematic view of the structure of the present invention;

FIG. 3 is a schematic view of the connection structure of the herringbone bracket and the adjustable cantilever according to the present invention;

FIG. 4 is a schematic view of the connection structure of the mounting base and the measuring block of the present invention;

fig. 5 is an enlarged schematic view of a portion a in fig. 4 according to the present invention.

In the figure: 1. a herringbone scaffold; 2. fixing an adjusting frame; 3. a dial indicator; 4. a cantilever adjusting bolt; 5. adjusting the screw rod; 6. a moving block; 7. connecting the sliding block; 8. an adjustable cantilever; 9. a spring plate; 10. a mounting seat; 11. a measuring block; 12. a support pillar; 13. connecting the sliding chute; 14. a fixed block; 15. installing a positioning groove; 16. mounting through holes; 17. a movable groove; 18. moving the clamping block; 19. and (4) clamping the spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a precision position measuring instrument includes a herringbone bracket 1, and three support columns 12 are fixedly mounted on the right side of the herringbone bracket 1; the herringbone support 1 is in a herringbone structure, the support columns 12 are perpendicular to the herringbone support 1, and the positions of the three support columns 12 are in a triangular structure; the measuring instrument can be tightly attached to the end face of a workpiece to be measured and is completely vertical to the workpiece through the herringbone support 1 and the three support columns 12, the actual error between the workpiece to be measured and a standard sample block can be directly read out by using the dial indicator 3, the error displayed by the dial indicator 3 can be accurate to 0.01mm, secondary adjustment is facilitated, the accuracy of measurement is guaranteed, and the processing quality is guaranteed, the fixed adjusting frame 2 is fixedly installed on the left side of the herringbone support 1 in an integrated mode, the moving block 6 is movably installed above the fixed adjusting frame 2, and the dial indicator 3 is installed above the moving block 6; the connecting chute 13 is arranged on the inner surface of the herringbone support 1, the connecting sliding block 7 is arranged inside the connecting chute 13, the adjustable cantilever 8 is arranged below the connecting sliding block 7, the two spring pieces 9 are arranged below the adjustable cantilever 8, the mounting seat 10 is arranged below the spring pieces 9, and the cantilever adjusting bolt 4 is arranged above the herringbone support 1; the connecting slide block 7 and the adjustable cantilever 8 are fixedly connected in an integrated manner, the adjustable cantilever 8 moves on the herringbone bracket 1 through the connecting slide block 7 and the connecting chute 13, and the adjustable cantilever 8 is elastically connected with the mounting seat 10 through the spring piece 9; meanwhile, the use of the spring piece 9 breaks through the rigidity measurement mode of the conventional measuring tool, when the measuring block 11 enters the processed shape for primary measurement, the measuring block 11 can completely enter the processed shape after slight left and right force application, so that the measuring block 11 is completely arranged in the center of the processed shape, and the measurement error caused by the clamping of the measuring block 11 can be avoided; the position of the adjustable cantilever 8 is adjusted through the cantilever adjusting bolt 4, the connecting sliding block 7 and the connecting sliding groove 13, so that the measuring block 11 is moved to a specified position according to the distance between the required processing shape and the end face of the workpiece, and further the processing shapes at different positions can be precisely measured.

Referring to fig. 1, 4 and 5, a precision position measuring instrument includes an adjusting screw 5 installed inside a moving block 6; the adjusting screw rod 5 penetrates through the inside of the moving block 6, the adjusting screw rod 5 is in threaded connection with the moving block 6, and the moving block 6 moves on the fixed adjusting frame 2 through the adjusting screw rod 5; the moving block 6 and the dial indicator 3 are pushed to move by rotating the adjusting screw rod 5, so that the detection end of the dial indicator 3 is always in contact with the mounting seat 10, and further spare parts with farther distance between the machining groove and the end face are measured; the installation positioning groove 15 is formed in the installation base 10, the measuring block 11 is installed inside the installation positioning groove 15, the installation through hole 16 is formed above the installation positioning groove 15, the fixed block 14 is installed inside the installation through hole 16, the movable groove 17 is formed inside the fixed block 14, the clamping spring 19 is installed inside the movable groove 17, and the movable clamping block 18 is installed on the left side of the clamping spring 19; the fixed block 14 is fixedly connected with the measuring block 11 in an integrated manner, the local shape and size of the measuring block 11 are matched with the shape and size of the inside of the installation positioning groove 15, the fixed block 14 is of a rectangular columnar structure, the local shape and size of the fixed block 14 are matched with the shape and size of the inside of the installation through hole 16, the movable clamping block 18 is elastically connected with the movable groove 17 through the clamping spring 19, the movable clamping block 18 moves in the movable groove 17, and the measuring block 11 is clamped with the installation seat 10 through the fixed block 14, the installation positioning groove 15, the installation through hole 16 and the movable clamping block 18; the measuring block 11 is clamped and installed inside the installation seat 10 through the fixing block 14, the installation positioning groove 15, the installation through hole 16, the movable clamping block 18 and the clamping spring 19, so that the installation and the disassembly operation of the measuring block 11 become simple and convenient, the measuring blocks 11 which are manufactured into different shapes randomly according to actual processing conditions are installed on a measuring instrument for use, the limitation of the measuring instrument is broken, the adaptability is enhanced, and the use is accurate, convenient and quick.

The working principle is as follows: when the precision position measuring instrument is used, firstly, a cantilever adjusting bolt 4 is rotated, an adjustable cantilever 8 is slid to a proper position and then fixed, then, an adjusting screw 5 is rotated to push a moving block 6 and a dial indicator 3 through threads, a measuring head of the dial indicator 3 comes to a position matched with an installation seat 10, secondly, a standard sample block is placed on the precision position measuring instrument to correct and adjust the dial indicator 3 to a zero position, secondly, a workpiece is placed on the precision position measuring instrument, force is slightly applied to the spring piece 9 from left to right, the spring piece 9 deforms to adjust the angle of the measuring block 11, the measuring block 11 completely enters a processing shape, the measuring block 11 is completely placed in the center of the processing shape, then, the end face of the workpiece is operated to be attached to three support columns 12 on a herringbone support 1, the measuring instrument is ensured to be closely attached to the end face of the processed workpiece and completely perpendicular to the workpiece, so that the measuring accuracy is ensured, at this time, if the workpiece has an error, the installation seat 10 moves, the error value can be read through the dial indicator 3, then, the error value can be corrected, finally, a moving fixture block 18 is pushed, the movable clamp spring 18 is compressed, the movable clamp spring is retracted to a mounting seat 19, and the installation seat 14 is retracted downwards, and the installation seat 16 is removed, and the mounting block 16 is removed from the installation groove 16.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A precision position measuring instrument, comprising:

the device comprises a herringbone support (1), wherein three supporting columns (12) are fixedly mounted on the right side of the herringbone support (1), a fixed adjusting frame (2) is integrally and fixedly mounted on the left side of the herringbone support (1), a moving block (6) is movably mounted above the fixed adjusting frame (2), and a dial indicator (3) is mounted above the moving block (6);

the connection device comprises a connection chute (13) which is arranged on the inner surface of the herringbone support (1), a connection sliding block (7) is arranged inside the connection chute (13), an adjustable cantilever (8) is arranged below the connection sliding block (7), two spring pieces (9) are arranged below the adjustable cantilever (8), a mounting seat (10) is arranged below the spring pieces (9), and a cantilever adjusting bolt (4) is arranged above the herringbone support (1).

2. A precision position measuring instrument according to claim 1, characterized in that the herringbone frame (1) is in a herringbone structure, the support columns (12) are perpendicular to the herringbone frame (1), and the three support columns (12) are in a triangular structure.

3. The precise position measuring instrument according to claim 1, characterized in that the connecting slide block (7) is fixedly connected with the adjustable cantilever (8) in an integrated manner, the adjustable cantilever (8) moves on the herringbone support (1) through the connecting slide block (7) and the connecting sliding groove (13), and the adjustable cantilever (8) is elastically connected with the mounting seat (10) through the spring piece (9).

4. A precision position measuring instrument according to claim 1, characterized in that the moving block (6) is further provided with:

and the adjusting screw rod (5) is installed inside the moving block (6).

5. The precision position measuring instrument according to claim 4, wherein the adjusting screw (5) penetrates through the inside of the moving block (6), the adjusting screw (5) is in threaded connection with the moving block (6), and the moving block (6) is moved on the fixed adjusting frame (2) through the adjusting screw (5).

6. A precision position measuring instrument according to claim 1, characterized in that the mounting base (10) is further provided with:

installation constant head tank (15), it sets up the inside of mount pad (10), the internally mounted of installation constant head tank (15) has measuring block (11), installation through-hole (16) have been seted up to the top of installation constant head tank (15), the internally mounted of installation through-hole (16) has fixed block (14), movable groove (17) have been seted up to the inside of fixed block (14), the internally mounted of movable groove (17) has block spring (19), removal fixture block (18) are installed in the left side of block spring (19).

7. The precision position measuring instrument according to claim 6, wherein the fixed block (14) is fixedly connected with the measuring block (11) in an integrated manner, the shape and size of the measuring block (11) are partially matched with the shape and size inside the installation positioning groove (15), the fixed block (14) is of a rectangular columnar structure, the shape and size of the fixed block (14) are partially matched with the shape and size inside the installation through hole (16), the movable clamping block (18) is elastically connected with the movable groove (17) through a clamping spring (19), the movable clamping block (18) moves inside the movable groove (17), and the measuring block (11) is clamped with the installation seat (10) through the fixed block (14), the installation positioning groove (15), the installation through hole (16) and the movable clamping block (18).