CN102095346B - Lead screw thread pitch detector - Google Patents

Lead screw thread pitch detector Download PDF

Info

Publication number
CN102095346B
CN102095346B CN 201010560811 CN201010560811A CN102095346B CN 102095346 B CN102095346 B CN 102095346B CN 201010560811 CN201010560811 CN 201010560811 CN 201010560811 A CN201010560811 A CN 201010560811A CN 102095346 B CN102095346 B CN 102095346B
Authority
CN
China
Prior art keywords
slide unit
clamping plate
guide rail
fine setting
bar
Prior art date
Application number
CN 201010560811
Other languages
Chinese (zh)
Other versions
CN102095346A (en
Inventor
田杰
石磊
刘洋
王俊杰
Original Assignee
大连机床(数控)股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 大连机床(数控)股份有限公司 filed Critical 大连机床(数控)股份有限公司
Priority to CN 201010560811 priority Critical patent/CN102095346B/en
Publication of CN102095346A publication Critical patent/CN102095346A/en
Application granted granted Critical
Publication of CN102095346B publication Critical patent/CN102095346B/en

Links

Abstract

The invention discloses a lead screw thread pitch detector comprising a bracket, wherein a strip-shaped substrate is fixedly connected to the upper part of the bracket; one side of the upper part of the substrate is longitudinally provided with a guide rail, and the other side of the upper part of the substrate is provided with a supporting surface; the longitudinal direction of the guide rail is parallel to the supporting surface; the guide rail is provided with a measuring mechanism; the side edge of the substrate is provided with a grating scale parallel to the guide rail; a reading head matched with the grating scale is connected with the measuring mechanism by a junction plate; the other side of the substrate is provided with a digital display meter; the digital display meter is matched with the reading head and connected with the reading head via a data line; the supporting surface is provided with a workpiece support plate provided with a movable sliding table; and a workpiece support is arranged on the upper part of the movable sliding table. Compared with the prior art, the detector has the advantages of simple integral structure and low equipment cost, is easy to operate and control, is accurate to measure and is more suitable for longer lead screws.

Description

Leading screw pitch detector

Technical field

The present invention relates to a kind of workpiece sensing instrument, particularly a kind of leading screw pitch detector detects for the pitch to leading screw under static state.

Background technology

Leading screw is parts commonly used in machining apparatus or other equipment, great majority are used for gear train, and leading screw need carry out the detection of pitch to leading screw after processing, detect pitch at present and mainly contain dual mode, a kind of is to adopt vernier caliper to measure, and reading is offered an explanation scale by human eye, and is inaccurate, error is big, the error of vernier caliper itself makes the numerical value that finally records not smart in addition, influences the precision of workpiece; Another kind of mode is to utilize laser equipment to measure under dynamically, causes the assay device structures complexity, troublesome poeration, cost height.

Summary of the invention

The purpose of this invention is to provide a kind of operation simple in structure, good, easy to control, measure precisely, the measuring equipment cost is low, the leading screw pitch detector that can measure under quiescent conditions, overcomes the deficiencies in the prior art.

Leading screw pitch detector of the present invention has support, is connected with the pedestal of strip in the support upper fixed, and pedestal top one side vertically is provided with guide rail, and opposite side has supporting surface, described guide rail vertically parallel with supporting surface;

Be provided with measuring mechanism at guide rail, side at pedestal is provided with the grating chi that parallels with guide rail, the read head that matches with the grating chi joins by web joint and measuring mechanism, is provided with digital display meter at another side of pedestal, and digital display meter matches with read head and is connected by data line;

Be provided with the workpiece support plate at supporting surface, be provided with Mobile Slide at the workpiece support plate, workpiece support is positioned at the top of Mobile Slide;

Described measuring mechanism comprises the following slide unit that matches with guide rail, following slide unit top is connected with middle slide unit by the dovetail groove mode, have above the middle slide unit connect by line slideway on slide unit, middle slide unit with respect to the glide direction of slide unit down, go up slide unit with respect to the glide direction of middle slide unit equal vertically perpendicular with guide rail; At last slide unit the probe mounting hole is arranged, be provided with in this mounting hole and move axially bar, the front end that moves axially bar is connected to probe, the rear end that moves axially bar leans mutually with projection, projection is located at an end that leans bar, lean the bar other end and be fixed between the peg on the slide unit and hang with second spring, be connected by rotating shaft between the middle part that leans bar and the last slide unit; The termination that leans bar contacts with dial gauge probe on being installed in slide unit; At middle slide unit the rotating shaft that connects handle is installed, in the upper end of rotating shaft excentric shaft is arranged, excentric shaft is positioned at the opening on the slide unit, is mounted with first spring between handle and last slide unit; Side at following slide unit is connected to the following slide unit location micro-adjusting mechanism that matches with guide rail.

Leading screw pitch detector of the present invention, wherein said guide rail is line slideway.

Leading screw pitch detector of the present invention, wherein said slide unit down location micro-adjusting mechanism comprises first clamping plate and second clamping plate, the below of first clamping plate and second clamping plate forms the opening on the line slideway, between first clamping plate and second clamping plate, be provided with clamp shaft, one jaws which come into abutting handle of clamp shaft, the clamp shaft between first clamping plate and second clamping plate is with clamping plate and leans spring; Endoporus at first clamping plate is provided with the fine setting screw mandrel, and a termination of fine setting screw mandrel has trimming hand wheel, and the fine setting screw mandrel is connected with the fine setting male thread, fixedlys connected between a termination of finely tuning spool and the following slide unit.

Leading screw pitch detector of the present invention, compared with prior art have simple, the good operation of one-piece construction, easy to control, measure precisely, equipment cost is low, be more suitable in the advantage of measuring than long lead screw.

Description of drawings

Fig. 1 is the perspective view of the specific embodiment of the invention;

Fig. 2 is the perspective view of measuring mechanism shown in Figure 1;

Fig. 3 is that the master of measuring mechanism shown in Figure 1 looks synoptic diagram;

Fig. 4 is schematic top plan view shown in Figure 3;

Fig. 5 is C-C sectional schematic diagram shown in Figure 3;

Fig. 6 is D-D sectional schematic diagram shown in Figure 5.

Embodiment

As shown in Figure 1: 1 is support, and support 1 is 3, and bolt is connected with pedestal 2 above support 1, and pedestal 2 is strip.

Pedestal 2 tops one side vertically is fixedly connected with two guide rails that are parallel to each other 3 by screw, and guide rail 3 is line slideway.Opposite side at pedestal 2 is processed with supporting surface 4, guide rail 3 vertically and supporting surface 4 parallel and be in horizontality together.

At straight line rail 3 measuring mechanism 11 is installed.

Side at pedestal 2 is fixedly connected with the grating chi 14 that parallels with guide rail 3 by screw, and the read head 13 that is complementary with the grating chi joins by the following slide unit 112 in web joint 12 and the measuring mechanism 11.Another side at pedestal 2 is fixedly connected with vertical rod, and screw fixedly has digital display meter 10 above this vertical rod, and digital display meter 10 matches with read head 13 and is connected by data line.Wherein digital display meter 10, grating chi 14, read head 13 are optional component.

Above supporting surface 4, be located workpiece support plate 5, be provided with Mobile Slide 6 at workpiece support plate 5, be connected for dovetail groove type between Mobile Slide 6 and the workpiece support plate 5, and between is equipped with screw mandrel screw driving mechanism, the external end head of screw mandrel is equipped with slide unit and moves handwheel 7, when the rotation slide unit moved handwheel 7, Mobile Slide 6 can move with respect to workpiece support plate 5.The end face of workpiece support plate 5 leans on guide rail 3, makes to claim moving slide unit 6 just to move perpendicular to guide rail 3.Rectangular shape V-type workpiece support 8 is positioned at the top of Mobile Slide 6, also can fixedly connected with Mobile Slide 6, has formed the supporting mechanism of workpiece, and the supporting mechanism of above-mentioned workpiece is two groups.In order to stablize workpiece, on workpiece support 8, can establish pressing plate 9, by the bolt and nut workpiece pressing.

Shown in Fig. 2,3,4: 11 is measuring mechanism, and measuring mechanism 11 comprises slide unit 112 down, and the following and guide rail 3 of following slide unit 112 matches, and slide unit 112 can be slided along straight line rail 3.

There is middle slide unit 111 following slide unit 112 tops, in be connected by the dovetail groove mode between slide unit 111 and the following slide unit 112, and screw mandrel screw driving mechanism is installed, slide unit moved handwheel 117 during wherein the external end head of screw mandrel was equipped with, when slide unit moved handwheel 117 in rotating, middle slide unit 111 can be with respect to slide unit 112 slips down.

Be connected by line slideway between the slide unit 113 on having above the middle slide unit 111, last slide unit 113 and middle slide unit 111, slide unit 113 can be slided with respect to middle slide unit 111.In slide unit 111 with respect to the glide direction of following slide unit 112, go up slide unit 113 with respect to the glide direction of middle slide unit 111 equal vertically perpendicular with guide rail 3.

At last slide unit 113 the probe mounting hole is arranged, be provided with in this mounting hole and move axially bar, the front end that moves axially bar is connected with probe 123 by thread connecting mode, there is the plane rear end that moves axially bar and leans mutually with projection 114, projection 114 is located at a rectangular-shaped end that leans bar 116, lean bar 116 other ends and be fixed between the peg 118 on the slide unit 113 and hang with second spring 122, be connected by rotating shaft between the middle part that leans bar 116 and the last slide unit 113, peg 118 is curved shape, is threaded between an end and the last slide unit 113.Leaning the end sides of bar 116 contacts with the dial gauge probe that is installed in by link on the slide unit 113.

At middle slide unit 111 rotating shaft 119 is installed, rotating shaft 119 connects handle 121.In the upper end of rotating shaft 119 excentric shaft 120 is arranged, excentric shaft 120 is structure as a whole with rotating shaft 119, i.e. the center relativity shift certain distance of diaxon.Be processed with opening 125 on the last slide unit 113, excentric shaft 120 is positioned at opening 125, between handle 121 and last slide unit 113, be mounted with first spring 115, during turning handle 121, can stir slide unit 113 by excentric shaft 120 and slide with respect to middle slide unit 111, the position at place, slide unit 113 slip back can be strained and locate to first spring 115.

Side at following slide unit 112 is connected to the following slide unit location micro-adjusting mechanism 15 that matches with guide rail 3.

Shown in Fig. 5,6: following slide unit location micro-adjusting mechanism 15 comprises between first clamping plate 201 and second clamping plate, 204, the first clamping plate 201 and second clamping plate 204 and is connected to form mutual clip-on clamp region by screw.The below of first clamping plate 201 and second clamping plate 204 forms the opening on the line slideway 3, between first clamping plate 201 and second clamping plate 204, be provided with clamp shaft 203, one end of clamp shaft 203 is by engage thread connecting cleat handle 205, clamp shaft 203 passes between second clamping plate 204 and another termination and first clamping plate 201 to being threaded, between clamp shaft 203 and the clamping plate handle 205 the junction diameter than slightly and end face lean against the outside of second clamping plate 204.Clamp shaft 203 between first clamping plate 201 and second clamping plate 204 is with clamping plate and leans spring 202, and an end that leans spring 202 leans on the medial surface of first clamping plate 201, and the other end leans on the medial surface of second clamping plate 204.During rotary clamp plate handle 205, the opening on line slideway 3 of the below formation of first clamping plate 201 and second clamping plate 204 is changed, reach the purpose that clamps guide rail 3 location or unclamp.

Endoporus at first clamping plate 201 is provided with fine setting screw mandrel 208 and the fine setting axle 209 coaxial with it, one termination of fine setting screw mandrel 208 has trimming hand wheel 206, one end machining of fine setting axle 209 has internal thread and the end in addition of fine setting screw mandrel 208 to match, fixedly connected by engage thread between another termination of fine setting axle 209 and the following slide unit 112, finely tune to be provided with between screw mandrel 208 and first clamping plate 201 and prevent from finely tuning screw mandrel 208 axially movable stop screws 207.When unclamping first clamping plate 201 and second clamping plate 204 by clamping plate handle 205 and rotating trimming hand wheel 206, fine setting axle 209 can drive down slide unit 112 and move, and reaches the purpose of slide unit fine setting down.Be fixedly connected with guide pole 210 at following slide unit 112, the pilot hole on guide pole 210 and first clamping plate 201 matches, guiding when being used for fine setting.

Testing process is as follows:

1. leading screw to be measured is placed on the workpiece support 8, compress by pressing plate 9, pull handle 121 will pop one's head in 123 with leading screw two end in contact, record the leading screw bus with respect to the depth of parallelism of straight line rail 3, adjust slide unit and move handwheel 7, the position that changes workpiece support 8 makes the bus of leading screw parallel with line slideway 3;

2. pull handle 121 and will pop one's head in that the footpath contact in 123 leading screws that stretch out with certain thread form of leading screw, by leaning bar 116 compression dial gauges 124, and dial gauge 124 is returned to zero, simultaneously with digital display meter 10 zero clearings;

3. pull handle 121 and will pop one's head in and 123 regain, make it to disengage with leading screw; Mobile slide unit 112 down makes it through n pitch, read head 13 is mobile thereupon, pull handle 121 again and will pop one's head in that the footpath contacts in 123 leading screws that stretch out with certain thread form of leading screw, pull clamping plate handle 205 usefulness, first clamping plate 201 and second clamping plate 204 with line slideway 3 lockings, adjust trimming hand wheel 206, make down slide unit 112 trace mobile, be zero (at this moment until the dial gauge reading, the detecting head in the radial direction of leading screw is identical with the leading screw position contacting) time, read the reading of displacement by digital display meter 10, this numerical value is exactly the actual range of n pitch, can draw the error of processing pitch after relatively with theoretical value.

Workpiece support plate 5 can the length of the tested leading screw of root a tree name be free to slide on supporting surface 4, and the length that can measure leading screw is 300mm~3000mm; Adjust the installation base surface between workpiece support 8 and the workpiece support plate 5, can measure the leading screw of diameter 12mm~200mm; The pitch of all kinds leading screw be can measure by the shape that changes detecting head 123, trapezoidal screw, ball-screw etc. comprised.

Claims (3)

1. leading screw pitch detector, it is characterized in that: support (1) is arranged, be connected with the pedestal (2) of strip in support (1) upper fixed, pedestal (2) top one side vertically is provided with guide rail (3), opposite side has supporting surface (4), described guide rail (3) vertically parallel with supporting surface (4);
Be provided with measuring mechanism (11) at guide rail (3), side at pedestal (2) is provided with the grating chi (14) that parallels with guide rail, the read head (13) that matches with the grating chi joins by web joint (12) and measuring mechanism, another side at pedestal (2) is provided with digital display meter (10), and digital display meter (10) matches with read head (13) and is connected by data line;
Be provided with workpiece support plate (5) at supporting surface (4), be provided with Mobile Slide (6) at workpiece support plate (5), workpiece support (8) is positioned at the top of Mobile Slide (6);
Described measuring mechanism (11) comprises the following slide unit (112) that matches with guide rail (3), following slide unit (112) top is connected with middle slide unit (111) by the dovetail groove mode, the last slide unit (113) that connects by line slideway is arranged in middle slide unit (111) top, middle slide unit (111) with respect to the glide direction of slide unit (112) down, last slide unit (113) with respect to the glide direction of middle slide unit (111) equal vertically perpendicular with guide rail (3); At last slide unit (113) the probe mounting hole is arranged, be provided with in this mounting hole and move axially bar, the front end that moves axially bar is connected to probe (123), the rear end that moves axially bar leans mutually with projection (114), projection (114) is located at an end that leans bar (116), lean bar (116) other end and be fixed between the peg (118) on the slide unit (113) and hang with second spring (122), be connected by rotating shaft between the middle part that leans bar (116) and the last slide unit (113); The termination that leans bar (116) contacts with dial gauge probe on being installed in slide unit (113); The rotating shaft (119) that connects handle (121) is installed at middle slide unit (111), in the upper end of rotating shaft (119) excentric shaft (120) is arranged, excentric shaft (120) is positioned at the opening (125) on the slide unit (113), is mounted with first spring (115) between handle (121) and last slide unit (113); Side at following slide unit (112) is connected to the following slide unit location micro-adjusting mechanism (15) that matches with guide rail (3).
2. leading screw pitch detector according to claim 1, it is characterized in that: described guide rail (3) is line slideway.
3. the described leading screw pitch of root a tree name claim 2 detector, it is characterized in that: described slide unit location micro-adjusting mechanism (15) down comprises first clamping plate (201) and second clamping plate (204), the below of first clamping plate (201) and second clamping plate (204) forms the opening on the line slideway (3), between first clamping plate (201) and second clamping plate (204), be provided with clamp shaft (203), one jaws which come into abutting handle (205) of clamp shaft (203), the clamp shaft (203) between first clamping plate (201) and second clamping plate (204) is with clamping plate and leans spring (202); Endoporus at first clamping plate (201) is provided with fine setting screw mandrel (208), one termination of fine setting screw mandrel (208) has trimming hand wheel (206), fine setting screw mandrel (208) is threaded with fine setting axle (209), fixedlys connected between the termination of fine setting spool (209) and the following slide unit (112).
CN 201010560811 2010-11-26 2010-11-26 Lead screw thread pitch detector CN102095346B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201010560811 CN102095346B (en) 2010-11-26 2010-11-26 Lead screw thread pitch detector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201010560811 CN102095346B (en) 2010-11-26 2010-11-26 Lead screw thread pitch detector

Publications (2)

Publication Number Publication Date
CN102095346A CN102095346A (en) 2011-06-15
CN102095346B true CN102095346B (en) 2013-07-03

Family

ID=44128535

Family Applications (1)

Application Number Title Priority Date Filing Date
CN 201010560811 CN102095346B (en) 2010-11-26 2010-11-26 Lead screw thread pitch detector

Country Status (1)

Country Link
CN (1) CN102095346B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102322787A (en) * 2011-08-16 2012-01-18 安阳鑫盛机床股份有限公司 Novel method for measuring leading screw to bed guide rail parallelism and special-purpose dial gauge frame
CN102337627A (en) * 2011-09-02 2012-02-01 浙江海森纺机科技有限公司 Support fixed support seat on knotless fishing net machine
CN102768003A (en) * 2012-05-28 2012-11-07 南通京鼎机械科技有限公司 Parallelism inspection tool for ball screw and guiding rail at gantry machining center
CN103084818B (en) * 2013-01-14 2015-07-22 苏州领创激光科技有限公司 Method and special rack capable of adjusting position of suspended beam screw rod to guide rail
CN103292670A (en) * 2013-06-18 2013-09-11 济南蓝海传动机械有限公司 Lead screw accuracy detector
CN103453823B (en) * 2013-09-10 2016-06-22 大连理工大学 A kind of measuring machine of pipeline physical dimension
CN103712613B (en) * 2013-12-13 2016-04-13 上海交通大学 The disc type micromechanics solid fluctuation gyro packaging system that dovetail groove slides and method
CN105135989A (en) * 2015-09-10 2015-12-09 浙江新跃机床有限公司 Portable arc hole distance measuring instrument

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2152200Y (en) * 1993-01-18 1994-01-05 朱家璈 Measuring mechanism for combined laser guide screw measuring instrument
CN2739580Y (en) * 2004-09-27 2005-11-09 汤宁 Displacement measuring device
CN2798037Y (en) * 2005-04-29 2006-07-19 青岛摩森机电技术有限公司 Tester for length of driving belt
CN201057511Y (en) * 2007-02-26 2008-05-07 李徐来 Length measuring machine
CN201903310U (en) * 2010-11-26 2011-07-20 大连机床集团有限责任公司 Thread pitch detector of lead screw

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2152200Y (en) * 1993-01-18 1994-01-05 朱家璈 Measuring mechanism for combined laser guide screw measuring instrument
CN2739580Y (en) * 2004-09-27 2005-11-09 汤宁 Displacement measuring device
CN2798037Y (en) * 2005-04-29 2006-07-19 青岛摩森机电技术有限公司 Tester for length of driving belt
CN201057511Y (en) * 2007-02-26 2008-05-07 李徐来 Length measuring machine
CN201903310U (en) * 2010-11-26 2011-07-20 大连机床集团有限责任公司 Thread pitch detector of lead screw

Also Published As

Publication number Publication date
CN102095346A (en) 2011-06-15

Similar Documents

Publication Publication Date Title
US5735055A (en) Method and apparatus for measuring the thickness of an article at a plurality of points
CN102538700B (en) Screw rotor type surface profile error measurement instrument
CN101696872B (en) Total run-out comprehensive measuring instrument
CN205002707U (en) Utensil is tested in special use of rear axle leaf spring bracket aperture centre -to -centre spacing
CN201145552Y (en) Accurate lead screw effective diameter bounce detector
CN2847213Y (en) Internal and external structure relative position size measuring device for rack piston
CN201522253U (en) Slope measuring instrument
CN204085427U (en) A kind of measuring for verticality measurer
CN103234488B (en) A kind of thickness and parallelism intelligent detecting device
EP1250563A1 (en) Measurement of geometric parameters of internal and external screw thread and similar grooves
CN202158818U (en) Simple and convenient multipurpose detection platform
CN102967216A (en) Steering connector position degree inspection device
CN202221296U (en) Measuring scale
CN203929042U (en) A kind of automatic tester for detection of outside framework oil seal size
CN201964854U (en) Special measuring tool for clamp spring slot of internal and external spherical cage external starwheels
CN203100609U (en) Integrated detection fixture for rack nut of recirculating ball-type steering gear
CN103438839B (en) A kind of line slideway precision self-operated measuring unit and measuring method thereof
CN101403600B (en) Synthetic inspection tester for shaft element
CN103308022A (en) Angle-adjustable measuring jig
CN201170713Y (en) Leveling measuring apparatus
CN103868441A (en) Test tool for detecting planeness of workpiece
CN201043887Y (en) Device for detecting straightness and roundness of rod bar
CN102997841B (en) Rotary vector (RV) reducer back clearance measuring system
CN103822565B (en) A kind of pitch-row comparing measuring apparatus
CN202485598U (en) Automatic alignment inspection device for measuring mean diameter beat of gear

Legal Events

Date Code Title Description
PB01 Publication
C06 Publication
SE01 Entry into force of request for substantive examination
C10 Entry into substantive examination
GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130703

Termination date: 20151126

CF01 Termination of patent right due to non-payment of annual fee