CN101100036A - Detecting device - Google Patents
Detecting device Download PDFInfo
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- CN101100036A CN101100036A CNA2007100167457A CN200710016745A CN101100036A CN 101100036 A CN101100036 A CN 101100036A CN A2007100167457 A CNA2007100167457 A CN A2007100167457A CN 200710016745 A CN200710016745 A CN 200710016745A CN 101100036 A CN101100036 A CN 101100036A
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- test rod
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Abstract
The present invention relates to one kind of detection device for detecting position deviation or contour deviation of workpiece. The detection device includes one test rod, test rod driving cylinders, one track for the test rod to move linearly, one pedestal for the track to be fixed on, one position sensor fixed on the pedestal, and one sensing block on the test rod. Two cylinders include one connected to the test rod through one push rod and one other connected to the test rod through one pull rod. The present invention may be applied in detecting sections, plates, pipes, etc by using different test rods designed based on the shapes of the workpieces to be detected, and has wide application range, easy manufacture and high practicability.
Description
(1) technical field
The present invention relates to a kind of measurement mechanism of lathe, be specifically related to a kind of no lateral thrust, the checkout gear that can detect the position or the profile deviation of workpiece.
(2) background technology
Workpiece is being added man-hour, often needing the position or the profile deviation of workpiece are detected, the mode of detection generally is divided into contact and contactless two kinds.
All there is weak point in the mode of the detection of these two kinds of forms:
1. contact checkout gear, though it is to environment for use, and the material of workpiece and the distance do not have special requirement, often at the moment of the contact workpiece additional thrust either large or small to workpiece loading, can influence the accuracy of detection of workpiece, especially under workpiece is in unclamped state.
2. contactless detection device, though do not produce additional thrust, to material, the environment of workpiece with detect distance requirement is arranged, and under different conditions, the product type of application also has nothing in common with each other.
At present, checkout gear generally includes test rod, is installed in the spring of its back, sense switch etc., checkout gear adopts single cylinder to drive checkout gear and detects, when test rod is run into workpiece, test rod compresses spring backward, detects the test rod position by sense switch then, and records of values is transferred in the system, last cylinder returns, and finishes detection.When adopting this structure detection device that workpiece is detected, can produce an additional force promptly in compression during spring, the spring force of generation causes measurement result inaccurate.
(3) summary of the invention
There is inaccurate, the different problem of different workpieces condition detection requirement condition that detects in the present invention in order to solve prior art, a kind of no lateral thrust is provided, workpiece is under free state, as long as profile according to workpiece, design different test rods, just the checkout gear that can detect section bar, sheet material, tubing etc.
The present invention realizes by following measure: a kind of checkout gear, comprise test rod, be positioned at the cylinder that can promote test rod motion of test rod back, this device also comprises and is used to make the guide rail of test rod moving linearly, the base of fixed guide, is fixed on the position sensor on the base and is installed in the sensor block that can move with test rod on the test rod.
Its further improvements are: described cylinder is two, and one of them links to each other with test rod by push rod, and another links to each other with test rod by pull bar.Two cylinders play respectively promote test rod to front position with retract the effect of test rod to terminal position.
Its further improvements be: described test rod rear end is fixed with a draw back plate that has a hole, and described pull bar passes draw back plate and is fixed on the piston rod on the cylinder, and described push rod contacts with draw back plate and is fixed on piston rod on the cylinder.
Whether outreach or terminal position in order accurately to detect cylinder, and, be fixed with magnetic switch on the described cylinder to the control system sender.
In order to guarantee the test rod linearity and the kinematic accuracy in when motion, the piston rod of described two cylinders is parallel with guide rail.
Operation principle of the present invention: when using this checkout gear, drive test rod touching workpiece by cylinder and realize measuring.Two cylinders play respectively promote test rod to front position with retract the effect of test rod to terminal position.When measuring, checkout gear is measured at the different parts touching workpiece of the workpiece that the operator sets, and the numerical value of measurement is noted down automatically by digital control system.
Beneficial effect of the present invention:
1. because test rod moves, have superior dynamic response performance and no gap, characteristics that kinematic accuracy is high on line slideway auxiliary, thus can accomplish at a high speed, the numerical value to detection carries out record efficiently.
2. because in contact process, only there is slide block frictional force when mobile on line slideway to produce, because the coefficient of friction of line slideway auxiliary is very little, its frictional force can be ignored substantially, thereby can think that workpiece is not had additional force, so detect accurately.
3. need only profile, design different test rods, just can detect, have adaptability widely section bar, sheet material, tubing etc. according to workpiece, easily manufactured and practical.
4. simple in structure, easy to operate, with low cost, suitable applying.
(4) description of drawings
Below in conjunction with the drawings and specific embodiments the present invention is done specific description.
Fig. 1 is the structural representation in home position of the present invention;
Fig. 2 be Fig. 1 K to structural representation;
Fig. 3 looks schematic diagram for the left side of Fig. 1;
Fig. 4 is the not structural representation during contact workpiece of checkout gear, and this moment, test rod was in front position under the effect of cylinder;
Fig. 5 be Fig. 4 K to structural representation;
Fig. 6 is the not structural representation during contact workpiece of checkout gear, but the cylinder that play a driving role this moment returns;
Fig. 7 be Fig. 6 K to structural representation;
Fig. 8 contacts the structural representation of workpiece for checkout gear rigidly connects;
Fig. 9 be Fig. 8 K to structural representation;
After Figure 10 is the checkout gear contact workpiece, the structural representation when inductive switch begins sender, at this moment, test rod is the position when initial apical position moves backward to the inductive switch sender, the position of position detection place just of this moment;
Figure 11 be Figure 10 K to structural representation;
After Figure 12 finishes for checkout gear detects, test rod in the effect of returning cylinder to the structural representation that turns back to terminal position;
Figure 13 be Figure 12 K to structural representation;
When Figure 14 is circular for workpiece, the structural representation of test rod front end;
When Figure 15 is shaped steel for workpiece, the structural representation of test rod front end;
When Figure 16 is irregularly shaped circular arc for workpiece, the structural representation of test rod front end;
When Figure 17 is special-shaped for workpiece, the structural representation of test rod front end;
Figure 18 is the structural representation of draw back plate, for porose on one side, and the unsymmetric structure of another side atresia;
Figure 19 is packing ring, pull bar, push rod and draw back plate structural representation, and the pull bar sky is enclosed within porose one side, by screw and packing ring, fuse, and a side contacts of push rod and draw back plate atresia.
1 test rod among the figure, 2 guide rail mount pads, 3 line slideways, 4 guide rail slide blocks, 5 draw back plates, 6 packing rings, 7 pull bars, 8 push rods, 9 return cylinder, 10 propulsion cylinders, 11 sensor blocks, 12 position sensors, 13 workpiece.
(5) specific embodiment
A kind of checkout gear shown in Fig. 1 to 13, comprise test rod 1, be positioned at the cylinder that can promote test rod 1 motion of test rod 1 back, be used to make test rod 1 moving linearly line slideway 3, be used to install the guide rail mount pad 2 of line slideway 3 and guide rail slide block 4, be fixed on the position sensor 12 on the guide rail mount pad 2 and be installed on the test rod 1 can be with the sensor block 11 that moves of test rod 1.
The line slideway auxiliary formed of line slideway 3 and guide rail slide block 4 wherein, it mainly plays the effect of guide-localization, guarantees the precision of checkout gear; Test rod 1 is installed on the guide rail slide block 4, and it mainly plays the effect of contact workpiece; Position sensor 12 major functions are to detect the position of sensor block 11, so that send instruction to control system.
Described cylinder is two, and wherein propulsion cylinder 10 links to each other with test rod 1 by push rod 8, can promote test rod 1 to front position, and another returns cylinder 9 and links to each other with test rod 1 by pull bar 7, can retract test rod 1 and arrive terminal position.
Shown in Figure 18 .19, described test rod 1 rear end is fixed with a draw back plate 5, draw back plate 5 is porose on one side, the mechanism of the unsymmetric structure of another side atresia, described pull bar 7 passes draw back plate 5 and is fixed on the piston rod that returns on the cylinder 9, and described push rod 8 contacts with draw back plate 5 and is fixed on the piston rod of propulsion cylinder 10.
Draw back plate 5 main effects are to make two cylinders all can only play single effect, thereby guarantee that one in cylinder plays test rod 1 to front position, and another one works to retract test rod 1 to terminal position.Pull bar 7 skies are enclosed within porose one side,, fuse a side contacts of push rod 8 and draw back plate 5 atresias by screw and packing ring 6 and push rod 8.When two cylinder advanced in unison, because pull bar 7 is that sky is enclosed within on the draw back plate 5, thereby when advancing, inoperative, can only rely on push rod 8 to withstand draw back plate 5 and advance.Otherwise when cylinder returned, because push rod 8 is not connected with draw back plate 5, thereby when returning, can not influence the position of draw back plate 5,7 on pull bar was by the effect of the packing ring 6 that fuses with it, and pulling draw back plate 5 returns.Thereby the cylinder that links to each other with pull bar 7 is for returning cylinder 9, and the cylinder that links to each other with push rod 8 is a propulsion cylinder 10.And it is not owing to all have only a cylinder in motion process, to work, thereby strict to the synchronous requirement of cylinder at every turn yet.
Described propulsion cylinder 10, return on the cylinder 9 and be fixed with magnetic switch, be used for accurately detecting whether cylinder outreaches or terminal position and then to the control system sender.
In order to guarantee the test rod linearity and the kinematic accuracy in when motion, the piston rod of described two cylinders is parallel with line slideway vice division chief.
Wherein the front end shape of test rod 1 can be according to the different designs of the profile of workpiece 13, is workpiece when being circle as shown in figure 14, the test rod front end be shaped as the plane with workpiece 13 contact portions; Be workpiece when being shaped steel as shown in figure 15, test rod 1 front end be shaped as the plane with workpiece 13 contact portions; Be workpiece when being irregular arc as shown in figure 16, test rod 1 front end be shaped as circular-arc with workpiece 13 contact portions; Be workpiece when being abnormal shape as shown in figure 17, the test rod front end be shaped as the abnormal shape that matches with workpiece with workpiece 13 contact portions; Also can do special-purpose test rod according to the difference of workpiece shape.
Below in conjunction with accompanying drawing motion process of the present invention is elaborated:
Home position of the present invention is shown in Fig. 1 .2.3, and this moment returns cylinder 9 and propulsion cylinder 10 all is in terminal position.When beginning to detect, propulsion cylinder 10 withstands draw back plate 5 by the push rod 8 that is installed on the cylinder piston rod, promotes test rod 1 and moves to front position along line slideway 3, at this moment, return cylinder 9 and push ahead synchronously with propulsion cylinder 10, the position that outreaches together, state is shown in Fig. 4 .5.Owing to have magnetic switch on the cylinder, can accurately detect cylinder and whether arrive vertex position, thereby guarantee the degree of accuracy that cylinder advances.
When propulsion cylinder 10 returns, when being in terminal position, the magnetic switch that can be pushed on the cylinder 10 detects, and this moment can be to system's sender, make system enter detected state, checkout gear is travelled forward, when test rod 1 contacts with workpiece, because push rod 8 has returned, and test rod 1 self sky is enclosed within on the pull bar 7, this moment test rod 1 back no any resistance (force of rolling friction between guide rail slide block 4 and the line slideway 3 is only arranged, can ignore), state is shown in Fig. 8 .9.
Along with checkout gear constantly advances, test rod 1 position no change, move backward with respect to checkout gear, when position sensor 12 is sensed the sensor block 11 that is installed on the test rod 1, send signal, system sends instruction, and checkout gear no longer moves, and note the numerical value of this moment, state is shown in Figure 10 .11.System's numerical value that detected numerical value and previous system is built-in compares, thus the testing result of obtaining.
Then return cylinder 9 by pull bar 7 and packing ring 6, drive draw back plate 5 and return, because draw back plate 5 is installed on the test rod 1, turn back to terminal initial position thereby drive test rod 1, state is shown in Figure 12 .13.When returning cylinder 9 and turn back to terminal position, the magnetic switch on it detects, and sends signal, and reporting system is finished whole testing process.
Claims (5)
1. checkout gear, comprise test rod (1), be positioned at the cylinder that has piston rod that can promote test rod (1) motion of test rod (1) back, it is characterized in that: this device also comprises and is used to make the guide rail of test rod moving linearly, the base of fixed guide, is fixed on the position sensor (12) on the base and is installed in the sensor block (11) that can move with test rod (1) on the test rod (1).
2. self-operated measuring unit according to claim 1 is characterized in that: described cylinder is two, and one of them links to each other with test rod (1) by push rod (8), and another links to each other with test rod (1) by pull bar (7).
3. checkout gear according to claim 1 and 2, it is characterized in that: described test rod rear end is fixed with a draw back plate (5) that has a hole, described pull bar (7) passes draw back plate (5) and is fixed on the piston rod on the cylinder, and described push rod (8) contacts with draw back plate (5) and is fixed on piston rod on the cylinder.
4. checkout gear according to claim 1 and 2 is characterized in that: be fixed with magnetic switch on the described cylinder.
5. checkout gear according to claim 1 and 2 is characterized in that: the piston rod of described two cylinders is parallel with guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100167457A CN100493837C (en) | 2007-08-03 | 2007-08-03 | Detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100167457A CN100493837C (en) | 2007-08-03 | 2007-08-03 | Detecting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101100036A true CN101100036A (en) | 2008-01-09 |
| CN100493837C CN100493837C (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100167457A Expired - Fee Related CN100493837C (en) | 2007-08-03 | 2007-08-03 | Detecting device |
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| CN (1) | CN100493837C (en) |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790142A (en) * | 2012-07-13 | 2012-11-21 | 深圳市因沃客科技有限公司 | Clamping positioning mechanism for full-automatic die bonder |
| CN102785130A (en) * | 2012-08-21 | 2012-11-21 | 大连机床(数控)股份有限公司 | Workpiece recognition device for automatic production line |
| CN104325360A (en) * | 2014-10-23 | 2015-02-04 | 太仓威格玛机械设备有限公司 | Comparing detector and comparing detector-based section original point difference measurement method |
| CN104339210A (en) * | 2014-10-23 | 2015-02-11 | 太仓威格玛机械设备有限公司 | Horizontal type double-head machining center |
| CN104440400A (en) * | 2014-11-24 | 2015-03-25 | 上海拓璞数控科技有限公司 | Mirror milling jacking device with deformation tracking function and wall thickness measuring function |
| CN104726680A (en) * | 2013-12-23 | 2015-06-24 | 上海恒精机电设备有限公司 | Bearing rolling needle and rolling column quenching machine tool |
| CN105234736A (en) * | 2015-10-29 | 2016-01-13 | 歌尔声学股份有限公司 | Lateral blocking push-pull mechanism |
| CN106002137A (en) * | 2016-06-13 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Limiting device used for engine installation vehicle |
| CN106244775A (en) * | 2016-09-30 | 2016-12-21 | 浙江德福精密驱动制造有限公司 | A kind of quenching press shaft-like workpiece position detecting device |
| CN106282523A (en) * | 2016-09-30 | 2017-01-04 | 浙江德福精密驱动制造有限公司 | A kind of quenching press workpiece position detecting mechanism |
| CN108818153A (en) * | 2018-08-27 | 2018-11-16 | 衢州金沃精工机械有限公司 | A kind of hydraulic lathe processing bearing end surface measurement device |
| CN108895947A (en) * | 2018-08-29 | 2018-11-27 | 湖南省林业科学院 | A kind of ring automatic detection device |
| CN110076632A (en) * | 2019-04-26 | 2019-08-02 | 深圳市圆梦精密技术研究院 | Workpiece detecting device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102679930B (en) * | 2012-06-07 | 2014-06-11 | 唐山开元自动焊接装备有限公司 | Pipe centre detection device |
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2007
- 2007-08-03 CN CNB2007100167457A patent/CN100493837C/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102790142A (en) * | 2012-07-13 | 2012-11-21 | 深圳市因沃客科技有限公司 | Clamping positioning mechanism for full-automatic die bonder |
| CN102790142B (en) * | 2012-07-13 | 2015-03-11 | 山东晶泰星光电科技有限公司 | Clamping positioning mechanism for full-automatic die bonder |
| CN102785130A (en) * | 2012-08-21 | 2012-11-21 | 大连机床(数控)股份有限公司 | Workpiece recognition device for automatic production line |
| CN102785130B (en) * | 2012-08-21 | 2015-12-30 | 大连机床(数控)股份有限公司 | Workpiece recognition device on automatic production line |
| CN104726680A (en) * | 2013-12-23 | 2015-06-24 | 上海恒精机电设备有限公司 | Bearing rolling needle and rolling column quenching machine tool |
| CN104325360A (en) * | 2014-10-23 | 2015-02-04 | 太仓威格玛机械设备有限公司 | Comparing detector and comparing detector-based section original point difference measurement method |
| CN104339210A (en) * | 2014-10-23 | 2015-02-11 | 太仓威格玛机械设备有限公司 | Horizontal type double-head machining center |
| CN104339210B (en) * | 2014-10-23 | 2017-06-16 | 太仓威格玛机械设备有限公司 | Horizontal double-headed machining center |
| CN104440400B (en) * | 2014-11-24 | 2017-02-22 | 上海拓璞数控科技有限公司 | Mirror milling jacking device with deformation tracking function and wall thickness measuring function |
| CN104440400A (en) * | 2014-11-24 | 2015-03-25 | 上海拓璞数控科技有限公司 | Mirror milling jacking device with deformation tracking function and wall thickness measuring function |
| CN105234736A (en) * | 2015-10-29 | 2016-01-13 | 歌尔声学股份有限公司 | Lateral blocking push-pull mechanism |
| CN106002137A (en) * | 2016-06-13 | 2016-10-12 | 沈阳飞机工业（集团）有限公司 | Limiting device used for engine installation vehicle |
| CN106244775A (en) * | 2016-09-30 | 2016-12-21 | 浙江德福精密驱动制造有限公司 | A kind of quenching press shaft-like workpiece position detecting device |
| CN106282523A (en) * | 2016-09-30 | 2017-01-04 | 浙江德福精密驱动制造有限公司 | A kind of quenching press workpiece position detecting mechanism |
| CN108818153A (en) * | 2018-08-27 | 2018-11-16 | 衢州金沃精工机械有限公司 | A kind of hydraulic lathe processing bearing end surface measurement device |
| CN108895947A (en) * | 2018-08-29 | 2018-11-27 | 湖南省林业科学院 | A kind of ring automatic detection device |
| CN108895947B (en) * | 2018-08-29 | 2024-03-19 | 湖南省林业科学院 | Automatic bamboo joint detection device |
| CN110076632A (en) * | 2019-04-26 | 2019-08-02 | 深圳市圆梦精密技术研究院 | Workpiece detecting device |
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| Publication number | Publication date |
|---|---|
| CN100493837C (en) | 2009-06-03 |
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Granted publication date: 20090603 Termination date: 20120803 |