CN205981086U - Utensil is examined to high accuracy screw rod measurement over pins - Google Patents

Utensil is examined to high accuracy screw rod measurement over pins Download PDF

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Publication number
CN205981086U
CN205981086U CN201620981475.8U CN201620981475U CN205981086U CN 205981086 U CN205981086 U CN 205981086U CN 201620981475 U CN201620981475 U CN 201620981475U CN 205981086 U CN205981086 U CN 205981086U
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CN
China
Prior art keywords
leaf spring
plate
seat
rolling center
screw rod
Prior art date
Application number
CN201620981475.8U
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Chinese (zh)
Inventor
宋政灿
张美山
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三门峡中原量仪股份有限公司
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Priority to CN201620981475.8U priority Critical patent/CN205981086U/en
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Publication of CN205981086U publication Critical patent/CN205981086U/en

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Abstract

The utility model provides an utensil is examined to high accuracy screw rod measurement over pins, a measurement over pins for measuring the screw rod, comprising a base plate, the stationary center seat, the stationary center, the movable center seat, movable center, the gib block, measuring device, the gib block is fixed to be set up on the bottom plate, the one end upper portion of gib block is provided with the stationary center seat, the other end upper portion of gib block is provided with the movable center seat, movable center's lower part is provided with controlling means, the screw rod awaits measuring, the coaxial setting of movable center and stationary center, it respectively is provided with a measuring device to await measuring the both sides of screw rod, measuring device includes leaf spring mechanism, gauge head and sensor, leaf spring mechanism sets up about the screw rod center line symmetry that awaits measuring, the sensor is fixed to be set up in left leaf spring mechanism, the piece is responded to to corresponding being provided with on being close to the connecting plate on one side of the sensor. The utility model discloses a gauge head can be realized the automatic adjustment through leaf spring mechanism and a set of cylinder and control and the longitudinal separation to reach the purpose at automatic alignment center, the location is accurate.

Description

A kind of high-precision screw distance over bar cubing
Technical field
This utility model is related to measurer technical field, especially relates to a kind of high-precision screw distance over bar cubing.
Background technology
Chinese Automobile Industry ', through the development of decades, has become as the important industry of national economy, auto parts and components row Industry, as the upstream industry of vehicle complete vehicle industry, is the basis of automobile industry development.The driving comfort of one automobile, steering gear Most important, and screw rod is a strength member in steering gear, its quality concerns the performance of whole steering gear.M value is anti- Reflect a measurement parameter of reference circle transverse tooth thickness, similar with the effect of common normal, because it can be with direct measurement, should in actual production With wider.M value, for external gear and external splines, is distance over bar;To internal gear and internal spline, it is interrod spacing.During measurement, use two Root diameter identical pole is stuck in relative teeth groove, the distance between outer tangent line of two poles of measurement.
Screw rod distance over bar(M value)Detection, at present most of producers adopt micrometer and rod, be stuck in the tooth at groove two ends In, block numerical value.Control of product quality still relies primarily on general micrometer, and micrometer detection is affected relatively by artificial operation Greatly, reliability is not high, and efficiency is also than relatively low.This kind of metering system complex operation, pole easily comes off, and certainty of measurement is not high;Have When need several operator to cooperate, easily produce error.
Utility model content
The purpose of this utility model is to provide a kind of high-precision screw distance over bar cubing, improves screw rod distance over bar(M value)Inspection Survey precision and efficiency.
For reaching above-mentioned purpose, the technical solution adopted in the utility model is as follows:A kind of high-precision screw distance over bar cubing, For measuring the distance over bar of screw rod, including base plate, stationary center seat, stationary center, rolling center seat, rolling center, gib block, Measurement apparatus, described gib block is fixedly installed on base plate, and one end top of gib block is provided with stationary center seat, stationary center Seat is detachably connected with base plate, stationary center seat is provided with stationary center, the other end top of gib block is provided with movable top Sharp seat, rolling center seat and base plate are detachably connected, and rolling center seat is provided with rolling center, and rolling center is connected with control Device, screw rod to be measured is clamped between rolling center and stationary center, and screw rod to be measured, rolling center and stationary center coaxially set Put, screw rod bottom to be measured is provided with measurement apparatus, described measurement apparatus include leaf spring mechanism, gauge head, connecting plate and sensor, Leaf spring mechanism includes left leaf spring mechanism and right leaf spring mechanism, and left leaf spring mechanism is identical with right leaf spring mechanism structure, and with regard to be measured Screw rod is symmetrical arranged, and is provided with connecting plate between left leaf spring mechanism and right leaf spring mechanism, and one end of connecting plate is fixed on right leaf spring Mechanism top, the other end is vacantly arranged at left leaf spring mechanism top, and sensor is arranged in left leaf spring mechanism, near sensor one It is correspondingly arranged on sensor block on the connecting plate of side.
Preferably, described control device includes handle, spring, spring cup, one end of described rolling center is provided with Spring, the outside of spring is provided with spring cup, and spring cup is fixedly installed with rolling center seat, and the bottom of described rolling center has Groove, described handle is located at the bottom of rolling center, and one end of handle is located in the groove of rolling center, and the middle part of handle is passed through Ship and resell on another market and be connected with rolling center seat, the other end of handle stretches out rolling center seat.
Preferably, described left leaf spring mechanism includes leaf spring unit and lower leaf spring unit, upper leaf spring unit and bottom sheet Spring cellular construction is identical, and lower leaf spring unit includes fixed seat, end clamp plate, intermediate press plate, mobile pressing plate and long leaf spring, lower leaf spring list The fixed seat of unit is long to be arranged in parallel in long with gib block, and the two ends of fixed seat are each provided with a vertical long leaf spring, grow Leaf spring is vertically arranged with the long side of gib block, and the bottom of long leaf spring is fixed with fixed seat by end clamp plate, and the middle part of long leaf spring is equal It is provided with two intermediate press plate being oppositely arranged, the top of long leaf spring is connected with Mobile base by end clamp plate, the middle part of fixed seat It is provided with steadying plate, steadying plate is be arranged in parallel with intermediate press plate, upper leaf spring unit is located at the top of lower leaf spring unit, upper leaf spring list The fixed seat of unit is fixedly connected with the mobile pressing plate of lower leaf spring unit, and the length of the long side of fixed seat of upper leaf spring unit and gib block While being vertically arranged.
Preferably, the cylinder for compressing gauge head is provided with the steadying plate of described upper leaf spring unit.
Preferably, the top of described gib block is provided with support base, support base is located at rolling center seat and stationary center Between seat, support base bottom is fixedly connected with base, and top has the groove matching with screw rod to be measured.
Preferably, the both sides of described rolling center seat and gib block are arranged with the first locating slot in parallel, with the on base plate One locating slot is correspondingly arranged on multiple bolts hole, and the both sides of described stationary center seat and gib block are arranged with the second positioning in parallel Groove, base plate is correspondingly arranged on multiple bolts hole with the second locating slot.
Preferably, described sensor is high-accuracy inductance sensor, described sensor and novel digital display electron beam It is connected.
Preferably, described gauge head is pole or ball, measurement error is less than 0.001mm.
Preferably, described sensor block is alloy column.
The beneficial effects of the utility model are:
1st, handle, through rotation of shipping and reselling on another market, drives rolling center compression, and handling screw rod is easy, quick;
2nd, gauge head can be realized about adjust automatically by leaf spring mechanism and cylinder and longitudinal separation, to reach automatic capturing The purpose at center, accurate positioning, detection efficiency can reach 5 seconds/part;
3rd, left and right tip mechanism simulates positioning states during screw rod on-line machining, using centre bore positioning, thus reach determining Position clamping purpose;
4th, gauge head adopts measurement error to be less than pole or the ball of 0.001mm, and sensor adopts high-accuracy inductance sensor, Display portion adopts novel digital display electron beam, and the intuitive display of measurement result is accurate;
5th, the both sides of rolling center seat and gib block are arranged with the first locating slot in parallel, corresponding with the first locating slot on base plate It is provided with multiple bolts hole, the both sides of stationary center seat and gib block are arranged with the second locating slot in parallel, fixed with second on base plate Position groove is correspondingly arranged on multiple bolts hole, according to the screw rod of different size, can adjust rolling center seat and stationary center seat it Between distance, blending bolt is fixed on base plate, and the adaptability of this cubing is higher.
Brief description
Fig. 1 is the structural representation of utility model works state;
Fig. 2 is this utility model front view;
Fig. 3 is the A-A sectional view of Fig. 2;
Fig. 4 is control device internal structure schematic diagram of the present utility model;
Fig. 5 is the structural representation of measurement apparatus of the present utility model.
Specific embodiment:
For the ease of the understanding of those skilled in the art, with reference to embodiment and accompanying drawing, the present invention is done further Bright, the content not limitation of the invention that embodiment refers to.
As Figure 1-5, a kind of high-precision screw distance over bar cubing, including base plate 1, stationary center seat 2, stationary center 21st, rolling center seat 3, rolling center 31, gib block 4 and measurement apparatus, described gib block 4 is fixedly installed on base plate 1, guiding One end top of bar 4 is provided with stationary center seat 2, and stationary center seat 2 is detachably connected with base plate 1, the upper end of stationary center seat 2 Inner side is provided with stationary center 21, and the other end top of gib block 4 is provided with rolling center seat 3, rolling center seat 3 and base plate 1 It is detachably connected, inside the upper end of rolling center seat 3, is provided with rolling center 31, the bottom of rolling center 31 is provided with control dress Put, screw rod 7 to be measured is clamped between rolling center 31 and stationary center 21, screw rod 7 to be measured, rolling center 31 and stationary center 21 It is coaxially disposed, the bottom of screw rod 7 to be measured is provided with measurement apparatus, described measurement apparatus include leaf spring mechanism, gauge head 9, connect Plate 10 and sensor 53, leaf spring mechanism includes left leaf spring mechanism and right leaf spring mechanism, left leaf spring mechanism and right leaf spring mechanism structure Identical, and left leaf spring mechanism and right leaf spring mechanism are located at the both sides of screw rod 7 to be measured respectively, with regard to the axisymmetrical of screw rod 7 to be measured Setting, the top of each leaf spring mechanism is provided with measuring head base 54, and gauge head 9 is fixedly installed on by upper and lower two gauge head pressing plates 55 On measuring head base 54, for ensureing certainty of measurement, the gauge head 9 of the present embodiment adopt for error be less than 0.001mm pole it is also possible to It is less than the ball of 0.001mm using error, the tested raceway groove of screw rod 7 to be measured is connected between two gauge heads 9.
It is provided with connecting plate 10, one end of connecting plate 10 is fixed on right leaf spring machine between left leaf spring mechanism and right leaf spring mechanism Structure top, the other end is vacantly arranged at left leaf spring mechanism top, and sensor 10 is arranged at left leaf spring mechanism by sensor holder 56 On, it is correspondingly arranged on sensor block 11 on the connecting plate 10 of sensor 53 side, the sensor block 11 of the present embodiment uses Alloy column, sensor 53 adopt for high-accuracy inductance sensor, sensor 53 is connected with novel digital display electron beam.
Control device includes handle 61, spring cup 63, and one end of described rolling center 31 is provided with spring(In figure is not given and being shown Go out), the outside of spring is provided with spring cup 63, and spring cup 63 is fixedly installed with rolling center seat 3, under described rolling center 31 Portion has groove, and described handle 61 is located at the bottom of rolling center 31, and one end of handle 61 is located in the groove of rolling center 31, The middle part of handle 61 64 is connected with rolling center seat 3 by shipping and reselling on another market, and the other end of handle 61 stretches out rolling center seat 3.
Left leaf spring mechanism includes leaf spring unit and lower leaf spring unit, and upper leaf spring unit is identical with lower leaf spring cellular construction, Lower leaf spring unit includes fixed seat 511, end clamp plate 512, intermediate press plate 513, mobile pressing plate 514 and long leaf spring 515, lower leaf spring list The fixed seat 511 of unit is long to be arranged in parallel in long with gib block 4, and the two ends of fixed seat 511 are each provided with a vertical length Leaf spring 515, long leaf spring 515 is vertical with the long side of gib block 4, and long leaf spring 515 is passed through end clamp plate 512 and fixed with fixed seat 511, long The middle part of leaf spring 515 is provided with two intermediate press plate being oppositely arranged 513, the top of long leaf spring 515 pass through end clamp plate 512 with Mobile pressing plate 514 is connected, and the middle part of fixed seat 511 is provided with steadying plate 516, and steadying plate 516 is parallel with intermediate press plate 513 to be set Put, upper leaf spring unit is located at the top of lower leaf spring unit, the fixed seat 511 of upper leaf spring unit and the mobile pressing plate of lower leaf spring unit 514 are fixedly connected, and the fixed seat 511 of upper leaf spring unit long is vertically arranged in long with gib block 4.Upper leaf spring unit steady Cylinder 12 for compressing gauge head 9 is provided with fixed board 516, the extension rod of cylinder 12 is vertical with the long side of gib block 4.
The top of gib block 4 is provided with support base 13, and support base 13 is located between rolling center seat 3 and stationary center seat 2, Support base 13 bottom is fixedly connected with base plate 1, and the top of support base 13 has the groove matching with screw rod 7 to be measured.
The both sides of rolling center seat 3 and gib block 4 are arranged with the first locating slot 15 in parallel, with the first locating slot on base plate 1 15 are correspondingly arranged on multiple bolts hole 151, and the both sides of described stationary center seat 2 and gib block 4 are arranged with the second locating slot in parallel 16, base plate 1 is correspondingly arranged on multiple bolts hole 161 with the second locating slot 16.
During concrete operations, because this cubing is using comparing measuring method, first have to select the enough standards of an accuracy of detection Part.
The first step:Using standard component by electron beam school 0.
Second step:By detected clamping workpiece in cubing.On the basis of the two ends centre bore of screw rod 7 to be measured, adopt one Individual stationary center 21 and a rolling center 31 realize the location and installation to screw rod.During handling screw rod 7, press lower handle 61 first, Handle 61, through 64 rotations of shipping and reselling on another market, drives rolling center 31 to compress, at this moment loads onto screw rod 7, lift handle 61, clamping screw 7.
3rd step:Open the switch of cylinder 12.In the presence of leaf spring mechanism, lower leaf spring unit ensure that gauge head 9 is automatic Left and right adjustment, upper leaf spring unit adjusts before and after ensureing gauge head automatically, and cylinder 12 acts on leaf spring unit near gauge head 9 side On intermediate press plate 513, thus compressing screw rod 7 to be measured.So when tested screw rod 7 itself has geometrical deviation, two gauge heads 9 all can There are left and right and swing in front and back, thus ensureing the center of centering raceway groove it is ensured that measurement is smoothed out.
4th step:Read measurement result on electron beam.
The principal element of impact measurement apparatus certainty of measurement has:The centering error of two gauge heads 9(Two gauge head 9 axis is located flat Whether face is coplanar with the tested raceway groove of screw rod 7)Error with sensor 53, electron beam.This utility model is in order to ensure two gauge heads 9 Centering error, both sides all employ leaf spring mechanism, and leaf spring mechanism includes leaf spring unit and lower leaf spring unit, and lower leaf spring unit is protected The adjustment of card gauge head 9 automatic left and right, upper leaf spring unit adjusts before and after ensureing gauge head 9 automatically.So when tested screw rod 7 itself has geometry During deviation, two gauge heads 9 all can have left and right and swing in front and back, and the center of the tested raceway groove of guarantee centering is it is ensured that measurement is suitable Profit is carried out.Itself repeatability of sensor 53 of the present utility model is 0.03 μ and linearity error is 0.5%, can meet measurement The use requirement of device.Electron beam amount instrument monitor resolution 0.1 μ, indicating value mobility 0.2, the error of indication 0.1 μ can also expire The use requirement of sufficient measurement apparatus.Therefore, the precision of this appliance special for detecting accomplishes that the 1/10 of measured size tolerance is both economical conjunction Reason.
By actually used checking, one people of this cubing just can be with independent operation, simple, convenient, dependable performance, 3s The interior detection that can complete to a part, meets the requirement manufacturing detection beat.
Above-described is only embodiment of the present utility model, the general knowledge here such as known concrete structure and characteristic in scheme Excessively describe.It should be pointed out that for a person skilled in the art, in the premise without departing from this utility model structure Under, some deformation can also be made and improve, these also should be considered as protection domain of the present utility model, and these are all without impact Effect and practical applicability that this utility model is implemented.This application claims protection domain should be with the content of its claim It is defined, specific embodiment in description etc. records the content that can be used for explaining claim.

Claims (9)

1. a kind of high-precision screw distance over bar cubing, for measure screw rod distance over bar it is characterised in that:Including base plate, fixation Dead head, stationary center, rolling center seat, rolling center, gib block, measurement apparatus, described gib block is fixedly installed on base plate On, one end top of gib block is provided with stationary center seat, and stationary center seat and base plate are detachably connected, and stationary center seat sets It is equipped with stationary center, the other end top of gib block is provided with rolling center seat, and rolling center seat and base plate are detachably connected, live Rolling center is provided with dynamic dead head, rolling center is connected with control device, screw rod to be measured is clamped in rolling center and fixation Between top, screw rod to be measured, rolling center and stationary center are coaxially disposed, and screw rod bottom to be measured is provided with measurement apparatus, described Measurement apparatus include leaf spring mechanism, gauge head, connecting plate and sensor, leaf spring mechanism includes left leaf spring mechanism and right leaf spring machine Structure, left leaf spring mechanism is identical with right leaf spring mechanism structure, and is symmetrical arranged with regard to screw rod to be measured, left leaf spring mechanism and right leaf spring machine It is provided with connecting plate, one end of connecting plate is fixed on right leaf spring mechanism top, and the other end is vacantly arranged at left leaf spring machine between structure Structure top, sensor is arranged in left leaf spring mechanism, is correspondingly arranged on sensor block on the connecting plate of sensor side.
2. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described control device bag Include handle, spring, spring cup, one end of described rolling center is provided with spring, and the outside of spring is provided with spring cup, spring cup It is fixedly installed with rolling center seat, the bottom of described rolling center has groove, described handle is located at the bottom of rolling center, handss One end of handle is located in the groove of rolling center, and the middle part of handle is passed through to ship and resell on another market to be connected with rolling center seat, the other end of handle Stretch out rolling center seat.
3. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described left leaf spring mechanism Including upper leaf spring unit and lower leaf spring unit, upper leaf spring unit is identical with lower leaf spring cellular construction, and lower leaf spring unit includes fixing Seat, end clamp plate, intermediate press plate, mobile pressing plate and long leaf spring, the fixed seat of lower leaf spring unit is long parallel in long with gib block Setting, the two ends of fixed seat are each provided with a vertical long leaf spring, and long leaf spring is vertically arranged with the long side of gib block, long leaf spring Bottom fixed with fixed seat by end clamp plate, the middle part of long leaf spring is provided with two intermediate press plate being oppositely arranged, lengthy motion picture The top of spring is connected with Mobile base by end clamp plate, and the middle part of fixed seat is provided with steadying plate, and steadying plate is parallel with intermediate press plate Setting, upper leaf spring unit is located at the top of lower leaf spring unit, the mobile pressing plate of the fixed seat of upper leaf spring unit and lower leaf spring unit It is fixedly connected, and the fixed seat of upper leaf spring unit long is vertically arranged in long with gib block.
4. a kind of high-precision screw distance over bar cubing according to claim 3 it is characterised in that:Described upper leaf spring unit Cylinder for compressing gauge head is provided with steadying plate.
5. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:The top of described gib block It is provided with support base, support base is located between rolling center seat and stationary center seat, and support base bottom is fixedly connected with base, on Portion has the groove matching with screw rod to be measured.
6. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described rolling center seat Both sides and gib block are arranged with the first locating slot in parallel, and base plate is correspondingly arranged on multiple bolts hole with the first locating slot, described The both sides of stationary center seat and gib block are arranged with the second locating slot in parallel, base plate are correspondingly arranged on multiple with the second locating slot Bolt hole.
7. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described sensor is height Accurate inductance sensor, described sensor is connected with novel digital display electron beam.
8. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described gauge head is pole Or ball, measurement error is less than 0.001mm.
9. a kind of high-precision screw distance over bar cubing according to claim 1 it is characterised in that:Described sensor block is to close Principal column.
CN201620981475.8U 2016-08-30 2016-08-30 Utensil is examined to high accuracy screw rod measurement over pins CN205981086U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620981475.8U CN205981086U (en) 2016-08-30 2016-08-30 Utensil is examined to high accuracy screw rod measurement over pins

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620981475.8U CN205981086U (en) 2016-08-30 2016-08-30 Utensil is examined to high accuracy screw rod measurement over pins

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108380770A (en) * 2018-01-30 2018-08-10 嘉兴创诺精密五金有限公司 A kind of clamp assembly for perforating press
CN108917581A (en) * 2018-04-19 2018-11-30 江苏高精机电装备有限公司 The distance over bar detection device and its detection method of broaching tool
CN109078860A (en) * 2018-06-29 2018-12-25 国网山东省电力公司电力科学研究院 The same system safety testing device of mutual inductor outer dimension
CN110044250A (en) * 2019-05-14 2019-07-23 宁波夏厦齿轮有限公司 A kind of distance over bar automatic detection device
CN111536917A (en) * 2020-07-07 2020-08-14 南京泰普森自动化设备有限公司 Screw rod measuring device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108380770A (en) * 2018-01-30 2018-08-10 嘉兴创诺精密五金有限公司 A kind of clamp assembly for perforating press
CN108917581A (en) * 2018-04-19 2018-11-30 江苏高精机电装备有限公司 The distance over bar detection device and its detection method of broaching tool
CN109078860A (en) * 2018-06-29 2018-12-25 国网山东省电力公司电力科学研究院 The same system safety testing device of mutual inductor outer dimension
CN109078860B (en) * 2018-06-29 2020-07-31 国网山东省电力公司电力科学研究院 Mutual inductor overall dimension identity testing device
CN110044250A (en) * 2019-05-14 2019-07-23 宁波夏厦齿轮有限公司 A kind of distance over bar automatic detection device
CN111536917A (en) * 2020-07-07 2020-08-14 南京泰普森自动化设备有限公司 Screw rod measuring device

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