CN102997888A - Real-time bending machine bending angle measurement device with angular displacement sensors - Google Patents
Real-time bending machine bending angle measurement device with angular displacement sensors Download PDFInfo
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- CN102997888A CN102997888A CN201210563706XA CN201210563706A CN102997888A CN 102997888 A CN102997888 A CN 102997888A CN 201210563706X A CN201210563706X A CN 201210563706XA CN 201210563706 A CN201210563706 A CN 201210563706A CN 102997888 A CN102997888 A CN 102997888A
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- escapement
- angle measurement
- measurement mechanism
- angular displacement
- bending
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Abstract
The invention discloses a real-time bending machine bending angle measurement device with angular displacement sensors. A left angle measurement mechanism and a right angle measurement mechanism are of the same structure and are symmetrically and transversely arranged along sliding rails. The angle measurement mechanisms are formed by balance wheels, balance wheel supports, sliding blocks, sliding rails and the angular displacement sensors. The balance wheel supports are fixed on the sliding blocks, the balance wheels are hinged to the top ends of the balance wheel supports through bearings, sensing shafts of the angular displacement sensors keep synchronous rotation with the balance wheels through rotation of transmission mechanisms, the sliding blocks are sleeved on the sliding rails in sliding fit mode, measuring surfaces are arranged at the tops of the balance wheels, rotation limit lugs are arranged on the side faces of the balance wheels and located above the balance wheel supports, and the measuring surfaces of the balance wheels are in horizontal states when the rotation limit lugs are attached to the upper sides of the balance wheel supports. The real-time bending machine bending angle measurement device with the angular displacement sensors is simple in structure and reliable in motion, measures bending angles on two sides of a bending member so as to calculate bending angles of a whole workpiece, cannot be influenced by alignment accuracy of an upper die and a lower diem, and is accurate in measurement results.
Description
Technical field
The present invention relates to a kind of bender bending angle real time automatic measuring device, is to adopt angular displacement sensor to measure the device of bender bending angle (plate-shape metal workpiece bending angle) specifically.
Background technology
Bender is a kind of equipment for the bending board-like material, and as shown in Figure 1, 2, the bending principle is for to be positioned over workpiece 3 on the plane of lower punch die 4, and when upper trimming die 1 was pressed to lower punch die 4, workpiece 3 was at pressure and form a bending angle under the effect of punch die up and down.When bending workpieces (such as being sheet metal component), bending angle how accurately to control workpiece is the bender manufacturer and uses the bender performance that the commercial city must be paid close attention to.Multiple bender bending angle measuring method has been arranged at present, all being based on up and down in these methods, punch die is the hypothesis of Accurate align, namely bending angle is monosymmetric hypothesis, so all only measured the one-sided angle of workpiece, and bending angle just directly is scaled the twice of one-sided angle.And in actual production, because the factor such as different operating person's experience, bender be aging, punch die is to be difficult to Accurate align up and down, perhaps needs the level of processing of higher bender itself to reach abundanter operating experience.Therefore, there is the larger problem of measuring error in existing method.Existing bending angle measuring method, measurement face is a measuring method that contacts with folding surface, the lateral bending precision is lower.
Summary of the invention
Technical matters to be solved by this invention, be to overcome the defective that prior art exists, provide a kind of angular displacement sensor to measure in real time the measurement mechanism of bender bending angle, thereby adopt the bending angle of measuring simultaneously the bending part both sides to calculate the method for the bending angle of whole workpiece, be not subjected to the up and down impact of punch die alignment accuracy, measurement result is more accurate.
Angular displacement sensor of the present invention is measured the measurement mechanism of bender bending angle in real time, comprises left side angle measurement mechanism, right side angle measurement mechanism and mounting base, and angle measurement mechanism in left side is identical with right side angle measurement mechanism structure and be symmetrical set along slide rail; It is characterized in that:
Described left side angle measurement mechanism and right side angle measurement mechanism are made of escapement, escapement support, slide block, slide rail and angular displacement sensor; The escapement support is fixed on the slide block, and escapement uses bearing hinge connection on the top of escapement support; Angular displacement sensor is fixed on the slide block, and the sensing shaft of angular displacement sensor keeps synchronous equal amount to rotate by rotation drive machine and escapement, and the angular displacement sensor sensing shaft is provided with rotates reduction torsion spring or extension spring; The slide block sliding type is sleeved on the slide rail, and slide rail is installed on the mounting base, and mounting base is provided with left and right spacing preiection; Be provided with extension spring between the slide block (or escapement support) of left side angle measurement mechanism and the slide block (or escapement support) of right side angle measurement mechanism;
Described escapement, the top is provided with measurement face, and measurement face is the plane; The escapement side is provided with the rotary spacing projection, and described rotary spacing projection is positioned at the side top of escapement support, and when the rotary spacing projection was adjacent to above the side of escapement support, the measurement face of escapement was in horizontality.
The measurement mechanism that angular displacement sensor of the present invention is measured the bender bending angle in real time mounting means and course of work on bender is as follows:
Slide rail is vertical with the vertical line of punch die, the original state that angular displacement sensor is measured the measurement mechanism of bender bending angle in real time is: the measurement face of two escapements is in same plane with the end face of lower punch die, two balancing arbors are positioned at the left and right sides of punch die, the slide block of left side angle measurement mechanism and the slide block of right side angle measurement mechanism are resisted against respectively on the left and right spacing preiection under the effect of extension spring.
Workpiece kept flat and places on the undershoot mould when bending was initial, about the measurement face of two escapements be attached to the bottom surface of workpiece.Bending begins rear upper trimming die and moves downward, and workpiece begins to deform under the effect of pressure, and left and right escapement inwardly rotates simultaneously, and left and right slide block moves outside both sides respectively, and simultaneously, the sensing shaft of left and right corner displacement transducer is rotated synchronously with corresponding escapement.After bending was finished, upper trimming die returned and moves upward, and workpiece is taken away, and the sensing shaft of angular displacement sensor and escapement be reverse revolution under the effect of reduction torsion spring or extension spring, and the rotary spacing projection is spacing in original state with escapement.At this moment, with the escapement reset synchronization, left and right slide block is inwards motion under the effect of extension spring, is resisted against respectively on the left and right spacing preiection at last, resets to original state.
The pendulum angle that uses two angular displacement sensors to measure left and right sides fork is respectively α
1, α
2, can directly obtain the left and right bending angle of workpiece, thereby the Integral bending angle that obtains workpiece is α=α
1+ α
2
Apparatus of the present invention, simple in structure, reliable in action, thus adopt the bending angle of measuring the bending part both sides to calculate the method for the bending angle of whole workpiece, be not subjected to the up and down impact of punch die alignment accuracy, measurement result is more accurate.
Description of drawings
Fig. 1 is that the installation of measurement mechanism on bender that angular displacement sensor of the present invention is measured the bender bending angle in real time concerns synoptic diagram.
Fig. 2 is that the initial position of measurement mechanism on bender that angular displacement sensor of the present invention is measured the bender bending angle in real time concerns synoptic diagram.
Fig. 3 is the measurement mechanism perspective view (original state) that angular displacement sensor of the present invention is measured the bender bending angle in real time.
Fig. 4 is the measurement mechanism structural relation synoptic diagram (original state) that angular displacement sensor of the present invention is measured the bender bending angle in real time.
Fig. 5 is the measurement mechanism structural relation synoptic diagram (workpiece bending state) that angular displacement sensor of the present invention is measured the bender bending angle in real time.
Fig. 6 is the schematic perspective view of the escapement support of measurement mechanism of the present invention.
Fig. 7 is the escapement schematic perspective view of measurement mechanism of the present invention.
Fig. 8 is the escapement another side schematic perspective view among Fig. 7.
Fig. 9 is that the measurement mechanism master that angular displacement sensor of the present invention is measured the bender bending angle in real time looks synoptic diagram (original state).
Figure 10 is that the measurement mechanism master that angular displacement sensor of the present invention is measured the bender bending angle in real time looks synoptic diagram (workpiece bending state).
Embodiment
Below in conjunction with accompanying drawing, apparatus of the present invention are described in further details.
Embodiment
Shown in Fig. 1,2 is the installation site of measurement mechanism on bender that angular displacement sensor of the present invention is measured the bender bending angle in real time.Left side angle measurement mechanism and right side angle measurement mechanism are installed in two counterdie 4 left and right sides after encapsulating with shell 2.Counterdie is installed in counterdie and installs on the matrix 5.
Shown in Fig. 3,4,5, when not placing sheet metal component 3, the measurement face 11-2 of two escapements 11 is the level of state, and the measurement face of two escapements is in the same plane (see figure 2) with the end face of lower punch die, and two balancing arbors are positioned at the left and right sides of punch die.Escapement 11 is hinged with bearing 12 with the top of escapement support 9, and pulley 10 is set at the middle part of escapement support 9, also uses bearing hinge connection between fixed pulley 10 and the escapement support 9.As shown in Figure 6, escapement support 9 is fixed on the slide block 15, and sensor stand 7 is used for established angle displacement transducer 6 and is fixed in slide block 15, and then slide block 15, escapement support 9, sensor stand 7 threes are fixed one.Slide block 15 sliding types are sleeved on the slide rail 14, and slide rail is installed on the mounting base 13, and the middle part of mounting base is provided with left and right spacing preiection 13-1.One end of steel wire 8 is fixed on escapement 11 edges, and after fixed pulley 10 commutation, the other end is fixed on the edge of the pulley 16 on the sensing shaft of angular displacement sensor.(wire rope, fixed pulley and pulley have formed the sensing shaft of described angular displacement sensor and the rotation drive machine between the escapement).Pulley 16 is set with sensing shaft, and locks with screw 16-1.Reset tension spring 17 1 ends are fixed on the screw (16-1), and an end is fixed on the sensor stand 7, and are pretensioned state.Escapement support extension spring 18 two ends ends are fixed on the escapement support 9, and are pretensioned state.
Described escapement 11, the top is provided with measurement face, and measurement face is the plane.The escapement side is provided with rotary spacing projection 11-1, and the shape of its medial surface is corresponding with the top surface shape of escapement support.Described rotary spacing projection is positioned at the side top of escapement support, and when rotary spacing projection medial surface was adjacent to above the side of escapement support, the measurement face of escapement was in horizontality.
Workpiece kept flat and places on the undershoot mould when bending was initial, about the measurement face of two escapements be attached to the bottom surface of workpiece.When patrix 1 moves downward bending sheet metal component 3, take in the left side as example, left side escapement 11 moves clockwise, then also clockwise motion of pulley 16, and reset tension spring 17 is elongated, and the measurement face 11-2 of escapement is close to the outside surface of sheet metal component 3 under the effect of reset tension spring 17.Slide block 15 is to two lateral movements simultaneously, and the extension spring 18 that the escapement support is 9 also is elongated, and plays the effect of buffer sliding block 15 motions, also plays the measurement face 11-2 that makes escapement and is close to sheet metal component 3 bottom surfaces.This moment, the reading of left hand corner displacement transducer was α
1, the reading of right-hand corner displacement transducer is α
2, escapement and sensor pulley are the 1:1 transmission, then bending angle α=α
1+ α
2
After sheet metal component 3 after bending is good is taken away, two side slides 15 are inwardly motion under the effect of the extension spring 18 of 9 of swinging mountings, and spacing by left and right spacing preiection 13-1, because escapement support extension spring 18 is pretensioned state, so slide block 15 can be returned to original state simultaneously under the effect of the spacing stop of left and right spacing preiection 13-1.Escapement 11 turns round under the effect of reset tension spring 17, and is rotated the spacing stop of spacing block set 11-1, because reset tension spring 17 also is pretensioned state, so escapement 11 can be returned to original state simultaneously under the effect of rotary spacing projection 11-1.
Claims (1)
1. an angular displacement sensor is measured the measurement mechanism of bender bending angle in real time, comprises left side angle measurement mechanism, right side angle measurement mechanism and mounting base, and angle measurement mechanism in left side is identical with right side angle measurement mechanism structure and be symmetrical set along slide rail; It is characterized in that:
Described left side angle measurement mechanism and right side angle measurement mechanism are made of escapement, escapement support, slide block, slide rail and angular displacement sensor; The escapement support is fixed on the slide block, and escapement uses bearing hinge connection on the top of escapement support; Angular displacement sensor is fixed on the slide block, and the sensing shaft of angular displacement sensor keeps rotating synchronously by rotation drive machine and escapement, and the angular displacement sensor sensing shaft is provided with rotates reduction torsion spring or extension spring; The slide block sliding type is sleeved on the slide rail, and slide rail is installed on the mounting base, and mounting base is provided with left and right spacing preiection; Be provided with extension spring between the slide block of left side angle measurement mechanism and the slide block of right side angle measurement mechanism, or be provided with extension spring between the escapement support of the escapement support of left side angle measurement mechanism and right side angle measurement mechanism;
Described escapement, the top is provided with measurement face, and measurement face is the plane; The escapement side is provided with the rotary spacing projection, and described rotary spacing projection is positioned at the side top of escapement support, and when the rotary spacing projection was adjacent to above the side of escapement support, the measurement face of escapement was in horizontality.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210563706XA CN102997888A (en) | 2012-12-24 | 2012-12-24 | Real-time bending machine bending angle measurement device with angular displacement sensors |
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|---|---|---|---|
| CN201210563706XA CN102997888A (en) | 2012-12-24 | 2012-12-24 | Real-time bending machine bending angle measurement device with angular displacement sensors |
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| CN102997888A true CN102997888A (en) | 2013-03-27 |
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| CN201210563706XA Pending CN102997888A (en) | 2012-12-24 | 2012-12-24 | Real-time bending machine bending angle measurement device with angular displacement sensors |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316961A (en) * | 2013-07-11 | 2013-09-25 | 南京埃斯顿自动化股份有限公司 | Apparatus for real-time automatic measurement of folding angles |
| CN103335625A (en) * | 2013-07-16 | 2013-10-02 | 南京埃斯顿自动化股份有限公司 | Automatic real-time measurement device for bending angle of bending machine |
| CN114719813A (en) * | 2021-12-27 | 2022-07-08 | 苏州工业园区格比机电有限公司 | Automatic clamping and angle measuring device and measuring method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001330403A (en) * | 2000-05-22 | 2001-11-30 | Amada Denshi:Kk | Bend angle measuring device |
| CN1455710A (en) * | 2000-08-11 | 2003-11-12 | 株式会社阿玛达 | Bending method and device therefor |
| CN202329482U (en) * | 2011-11-21 | 2012-07-11 | 济南开思科技有限公司 | Pull rope displacement sensor with wire unwinding wheel |
| CN202974249U (en) * | 2012-12-24 | 2013-06-05 | 南京埃斯顿自动化股份有限公司 | Device for measuring bending angle of angular displacement sensor real-time measurement bending machine |
-
2012
- 2012-12-24 CN CN201210563706XA patent/CN102997888A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001330403A (en) * | 2000-05-22 | 2001-11-30 | Amada Denshi:Kk | Bend angle measuring device |
| CN1455710A (en) * | 2000-08-11 | 2003-11-12 | 株式会社阿玛达 | Bending method and device therefor |
| CN202329482U (en) * | 2011-11-21 | 2012-07-11 | 济南开思科技有限公司 | Pull rope displacement sensor with wire unwinding wheel |
| CN202974249U (en) * | 2012-12-24 | 2013-06-05 | 南京埃斯顿自动化股份有限公司 | Device for measuring bending angle of angular displacement sensor real-time measurement bending machine |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103316961A (en) * | 2013-07-11 | 2013-09-25 | 南京埃斯顿自动化股份有限公司 | Apparatus for real-time automatic measurement of folding angles |
| CN103316961B (en) * | 2013-07-11 | 2015-09-09 | 南京埃斯顿自动化股份有限公司 | A kind of device of real-time automatic measuring bending angle |
| CN103335625A (en) * | 2013-07-16 | 2013-10-02 | 南京埃斯顿自动化股份有限公司 | Automatic real-time measurement device for bending angle of bending machine |
| CN103335625B (en) * | 2013-07-16 | 2016-04-06 | 南京埃斯顿自动化股份有限公司 | Bender bending angle real time automatic measuring device |
| CN114719813A (en) * | 2021-12-27 | 2022-07-08 | 苏州工业园区格比机电有限公司 | Automatic clamping and angle measuring device and measuring method thereof |
| CN114719813B (en) * | 2021-12-27 | 2024-06-07 | 苏州工业园区格比机电有限公司 | Automatic clamping and angle measuring device and measuring method thereof |
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Free format text: FORMER OWNER: AIERFA ELECTROHYDRAULIC TECHNOLOGY CO., LTD., NANJING CITY Effective date: 20150824 |
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Effective date of registration: 20150824 Address after: 211100 Jiangning Economic Development Zone, Jiangsu Province, general Avenue, No. 155, No. Applicant after: Nanjing Estun Automation Co., Ltd. Address before: 211100 Jiangning Economic Development Zone, Jiangsu Province, general Avenue, No. 155, No. Applicant before: Nanjing Estun Automation Co., Ltd. Applicant before: Aierfa Electrohydraulic Technology Co., Ltd., Nanjing City |
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Application publication date: 20130327 |