CN207585505U

CN207585505U - A kind of verticality detector

Info

Publication number: CN207585505U
Application number: CN201721825609.8U
Authority: CN
Inventors: 王黔萍
Original assignee: Nanjing Kokusan Extrusion Equipment Co Ltd
Current assignee: Nanjing Kokusan Extrusion Equipment Co Ltd
Priority date: 2017-12-19
Filing date: 2017-12-19
Publication date: 2018-07-06
Anticipated expiration: 2027-12-19

Abstract

A kind of verticality detector,The measurement body (3) of the steel-casting of one cuboid is set,The both sides for measuring the following datum level (11) of body (3) respectively set a positioning ball (4),Position is at measurement head (6) same direction position,The outer circle for positioning ball (4) is vertically less than (6) 1~2mm of measurement head,It is placed at the 100mm under datum level (11) in measurement head (6),Soket head cap screw (8) is fixed by lever (2) from side,Verticality detector is placed in the plane for the machine barrel (17) for needing measured hole,Two positioning balls (4) is allowed all to come to the side in hole,Measurement head (6) will be pressed into,Dial gauge can show numerical value,Body (3) will be measured again turns over 180 degree measurement,The numerical value that the numerical value of display and first time measure is subtracted each other,What is obtained is exactly the error amount of the verticality of hole and plane,Measuring method is simple and convenient,And measurement data is accurate.

Description

A kind of verticality detector

Technical field

This technology belongs to machine components manufacturing industry technical checking part verticality and examines field.

Technical background

All machinery be all by assembling parts one by one into, the quality of part determines the quality of mechanical complete machine, makes The machine components of good quality determine the high-quality of part, it is necessary to be measured in production with high-precision measurer, with high-precision after completion Measurement tool detection determines, just can guarantee the precision of part, in reality, measurer that many producers use all be it is universal, it is universal Measurer purposes is wide, and cost is small, is easily managed and uses, and only precision wants a low class, and to work for many years, is skilled in technique Employee, general measurer just uses good.

Part in actual machine manufacture makes, and the position there are many part is not easy to measure, particularly geometric tolerance, usually Worker is that the size at part position for being not easy to measure is determined by calculation, the Components of work in-process heart processing key also Position, the size that the part after processing has are not easy to measure, just not measure, and assert that machining center is high precision machine tool, process Part just to accept be qualified size, qualified tolerance is often found that problem after use, then carrys out the matter to processing part Amount is traced, and measures problem of looking for, then takes measures to correct.

Nanjing be the production of plastics double screw extruder intensively, there are thousands of to sell in all parts of the country, all over the world, production every year Amount accounts for more than 80% whole nation, and inexpensive although there are many yield, the price of every complete machine only has developed country very One of, maximum reason is exactly that product quality is good without other.The most important component of plastics double screw extruder is directly to add The machine barrel of work plastics, machine barrel can arbitrarily select to combine, machine using building block system combining structure according to the requirement of production material Cylinder is single short, and single also easy in mechanical processing, every complete machine averagely has a machine barrel more than ten, and the shape of machine barrel is easily worked, It can guarantee that all sizes are consistent, but two connected through-holes at machine barrel center are just than more difficult to process, particularly holes and outside The verticality of fitting plane, since hole is small and deep, hole depth is typically 4 times of aperture, so two through-holes of machine barrel are extruders One of most unmanageable process, and the height of the Geometrical Tolerance Principle to holes, majority producer is all by this procedure at present It is placed on machining center and processes, machine the size for only measuring aperture, ensure two pore sizes in the margin of tolerance, the position in hole Distance, which can also measure, to be ensured, geometric tolerance, which does not measure, assert it is qualified, and actually geometric tolerance can not possibly all It is that just, machining center works for many years, also has mechanical wear or work top is somewhat dirty, machine barrel is caused not to be laid flat, It will also result in holes and connect the deviation of the verticality of plane, some deviation very littles, particularly critically important verticality, some is only 0.1 millimeter of deviation is less than but a machine barrel links together more than ten, and deviation is with regard to big, and more than ten a machine barrel of complete machine is installed sometimes Very smoothly, but when twin-screw that works together rotates in holes is exactly that sound is big.

Invention content

The present invention announces a kind of verticality detector, detector using it is simple, be convenient for measuring out extruder barrel holes Verticality, and measured value is accurate, and operator, inspector is allowed to detect the accurate data of verticality in time, corrects adjust in time Finishing processing method ensures the verticality of holes.

A kind of structure of verticality detector is；The steel-casting that body (3) is a cuboid is measured, is measured under body (3) Side, intermediate setting a groove (10) of width, wide is to measure the wide half of body, and 2~3mm of depth, the both sides of slot (10) are Measurement datum (11), at the length 1/3rd for measuring body (3), one hole of setting among width, among inside diameter caliper Lever (2) string via, measurement head (6) are placed at the 100mm under datum level (11), and soket head cap screw (8) will from side Lever (2) is fixed, the direction of the opposite length 1/3rd of measurement head (6) of inside diameter caliper, and the circular arc on measures conversion seat (7) is determined Position set is removed, and datum level (11) both sides respectively set a positioning ball (4), and the position of positioning ball (4) is in measurement head (6) same direction At position, the outer circle of positioning ball (4) is vertically less than (6) 1~2mm of measurement head, shown in chain-dotted line (5), the locking screw above lever Follow closely (9) dial gauge (1) is fixed.

Mounted verticality detector is placed in the plane for the machine barrel (17) for needing measured hole, traverse measurement body (3) Two positioning balls (4) is allowed all to come to the side in hole, measurement head (6) will be pressed into, after dial gauge can show rotation Numerical value, then body (3) will be measured and turn over 180 degree, and measure the reverse side of first time measurement point, measured by the numerical value of display and for the first time Numerical value subtract each other, what is obtained is exactly the error of perpendicularity value of hole and plane, and measuring method is simple and convenient, and measurement data is accurate.

Description of the drawings

Attached drawing 1 is a kind of structure chart of verticality measuring instrument.

Attached drawing 2 is reference seat bottom surface structure figure.

Attached drawing 3 is verticality measuring instrument in the machine barrel schematic diagram for measuring extruder.

(1) in attached drawing 1 is inside diameter caliper, and (2) are the levers of inside diameter caliper, and (3) are reference seats, and (4) are positioning balls, (5) position line is measured, (6) are measurement heads, and (7) are measures conversion seats, and (8) are fixed soket head cap screws, and (9) are dial gauge locking Screw.

(10) in attached drawing 2 are kerves, and (3) are reference seats, and (11) are datum levels, and (4) are positioning balls, are arranged side by side 2, (8) it is fixed soket head cap screw, (2) are the lever holes of inside diameter caliper.

(1) in attached drawing 3 is inside diameter caliper, and (2) are the levers of inside diameter caliper, and (3) are reference seats, and (4) are positioning balls, (6) it is measurement head, (7) are measures conversion seats, and ((12) are the inner wall one-shot measurement points in machine barrel aperture, and (13) are machine barrel aperture tune The double measurement point of turnback inner wall, (14) dotted line are that measures conversion seat turns 180 degree detection inner wall double measurement position, (15) dotted line is that positioning ball (4) turns 180 degree double measurement point, and (16) are the digital display screens of electronic centigrade scale.(17) be by The machine barrel of measurement.

Specific implementation method

The structure for the verticality detector that the present invention announces is；The steel-casting for setting the rigidity of a cuboid strong first is made To measure body (3), steel-casting is wear-resisting and is unlikely to deform, and is processed into cuboid, removes all acute angles, the length, width and height of cuboid according to It measures pore size and determines that hole sizes all greatly are big, hole small size is with regard to small, in one slot of intermediate processing for measuring body (3) width (10), the width of slot (10) is the half of beam overall, 2~4mm of depth, and the both sides of slot (10) are measurement datum (11), face It is high to process ground precision, roughness height, this is unique working face, and in each one positioning ball (4) of setting above, ball is also used in work Make measurement effect, to there is high hardness, spherical surface work is point contact, such high certainty of measurement, is measuring 1/3rd of body (3) Locate, one hole of intermediate setting of width, lever (2) the string via among inside diameter caliper, measurement head (6) is placed in apart from datum level (11) at the 100mm under, soket head cap screw (8) is fixed by lever (2) from side, and the 100mm of setting is easy for measuring Data calculated, as long as data out multiply 100 or except 100, in actual use, can there is increase and decrease, survey Measure the data come by measurement head actual distance calculation just, it is shallow also often to encounter hole depth hole in actual production, adjusts Save lever length can measured hole verticality, expand its application range, the measurement head (6) of inside diameter caliper is divided against length three One of direction, datum level (11) both sides respectively set a positioning ball (4), and measurement head (6) is exactly in two positioning ball (4) Between, position, that is, outer circle of positioning ball (4) is vertically less than (6) 1~2mm of measurement head, and shown in chain-dotted line (5), measurement head is moved in hole For reason to there is positioning ball (4), it is all equally long arc length to measure every time at 2 points that two positioning balls are contacted, and is turned so measuring The circular arc positioning sleeve changed on seat (7) is not used, dismounting should not, lock-screw (9) above lever is fixed by dial gauge (1), Pointer dial gauge can move up and down, and determine the pointer-digit needed.

During use such as Fig. 3, body (3) will be measured and be placed on machine barrel (17) vertical plane of tested metering-orifice, traverse measurement body (3) Two positioning balls (4) are come on bore circular arc (12), measurement head (6) is gone naturally by jacking, the display screen of dial gauge (16) it can show a number, then body (3) will be measured and rotated shown in 180 degree dotted line (14), positioning ball (4) comes to Inner arc (13) On, the number that at this moment dial gauge is shown and the digital subtraction measured for the first time, the value obtained is exactly the error of verticality, in life During production processing, it is found that error can adjust knife bar or clamping workpiece in time, examine and find to do over again, ensure that product matter Amount.This verticality measuring instrument can equally be used in two measurements for being mutually perpendicular to plane, and the same method obtains the same essence Degree.

Inside diameter caliper uses general part, in the market various models, and there are many height class, measures macropore and uses wide range, The dial bore gage that aperture uses small-range is measured, the verticality measuring instrument that this place announces is simple in structure, easily makes, cost Small, working effect is fast, and precision is accurate, and use scope is wide, solves and improve the verticality precision of extruder barrel and for other The measurement of the verticality of machined part.

Claims

1. a kind of verticality detector it is characterized in that；The steel-casting that body (3) is a cuboid is measured, measures the following of body (3), Intermediate setting a groove (10) of width, wide is to measure the wide half of body, and 2~3mm of depth, the both sides of slot (10) are to measure Datum level (11), at the length 1/3rd for measuring body (3), one hole of setting among width, the lever among inside diameter caliper (2) via is gone here and there, measurement head (6) is placed at the 100mm under datum level (11), and soket head cap screw (8) is from side by lever (2) it fixes, the direction of the opposite length 1/3rd of measurement head (6) of inside diameter caliper, the circular arc positioning sleeve on measures conversion seat (7) It removes, datum level (11) both sides respectively set a positioning ball (4), and the position of positioning ball (4) is in measurement head (6) same direction position Place, the outer circle of positioning ball (4) is vertically less than (6) 1~2mm of measurement head, shown in chain-dotted line (5), the lock-screw (9) above lever Dial gauge (1) is fixed.