CN113587793B - Measuring system of fastener forming machine - Google Patents
Measuring system of fastener forming machine Download PDFInfo
- Publication number
- CN113587793B CN113587793B CN202010362635.1A CN202010362635A CN113587793B CN 113587793 B CN113587793 B CN 113587793B CN 202010362635 A CN202010362635 A CN 202010362635A CN 113587793 B CN113587793 B CN 113587793B
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- die
- magnetic
- control module
- fastener
- forming machine
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- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 10
- 238000005259 measurement Methods 0.000 claims description 18
- 230000000875 corresponding effect Effects 0.000 description 7
- 238000005242 forging Methods 0.000 description 7
- 238000004080 punching Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000003825 pressing Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Forging (AREA)
Abstract
The invention provides a measuring system of a fastener forming machine, which comprises the fastener forming machine, a control module and a magnetic induction module. The fastener forming machine is provided with a first die and a second die which are arranged opposite to each other, and the control module is electrically connected with the first die and drives the first die to move relative to the second die so as to punch and form at least one fastener. The magnetic induction module comprises a magnetic piece and a magnetic sensor, wherein the magnetic piece is arranged on the first die so as to move along with the first die, and the magnetic sensor is electrically connected with the control module and is arranged on a moving path of the magnetic piece. In the stamping forming process, the control module senses the magnetic change of the magnetic piece through the magnetic sensor to obtain the stamping stroke of the first die.
Description
Technical Field
The present disclosure relates to measuring systems, and particularly to a measuring system for a fastener forming machine.
Background
Traditionally, forging is one of the metal forming methods, which refers to changing the shape of a metal stock by pressure to obtain a fastener having certain mechanical properties.
In the prior art, the size detection (full detection or spot check) of the manufactured metal fastener is still required, and besides the time and labor consumption, different results are generated due to different manual detection methods.
Furthermore, in the prior art, a displacement measuring device is added to the forging machine to provide a basis for determining the size of the fastener, but this is limited by the space on the forging machine, besides the additional cost. Meanwhile, as the manufacturing time advances, the abrasion degree of the die also gradually affects the size of the fastener, so the above manner cannot provide an accurate judgment basis for benefit to the size of the fastener.
Disclosure of Invention
The invention is directed to a measuring system of a fastener forming machine, which can provide fastener measuring information piece by piece and in real time in the process of manufacturing a fastener.
According to an embodiment of the invention, a measuring system of a fastener forming machine comprises the fastener forming machine, a control module and a magnetic induction module. The fastener forming machine is provided with a first die and a second die which are arranged opposite to each other, and the control module is electrically connected with the first die and drives the first die to move relative to the second die so as to punch and form at least one fastener. The magnetic induction module comprises a magnetic piece and a magnetic sensor, wherein the magnetic piece is arranged on the first die so as to move along with the first die, and the magnetic sensor is electrically connected with the control module and is arranged on a moving path of the magnetic piece. In the stamping forming process, the control module senses the magnetic change of the magnetic piece through the magnetic sensor to obtain the stamping stroke of the first die.
According to an embodiment of the invention, a measuring system of a fastener forming machine comprises the fastener forming machine, a control module and an accelerometer. The fastener forming machine is provided with a first die and a second die which are arranged opposite to each other. The control module is electrically connected with and drives the first die to move relative to the second die so as to punch and form at least one fastener. The accelerometer is electrically connected with the control module, and the accelerometer is arranged on the first die and moves along with the first die. The control module obtains the punching stroke of the first die through the accelerometer.
In the measuring system of the fastener forming machine according to the embodiment of the invention, the magnetic member is a wedge block having a wedge face facing the magnetic sensor.
In the measuring system of the fastener forming machine according to the embodiment of the invention, the first mold and the second mold perform the press forming on the plane of the fastener forming machine. The control module is provided with an operation unit, the control module obtains at least one local magnetic variation of the wedge-shaped surface through the magnetic sensor, and the operation unit calculates the travel of the magnetic piece along the plane through the at least one local magnetic variation and the inclination angle of the wedge-shaped surface relative to the plane.
In the measurement system of the fastener forming machine according to the embodiment of the invention, the control module adjusts the accuracy of obtaining the planar travel of the magnetic member by adjusting the magnetic sensor to obtain at least a partial range.
In the measurement system of the fastener forming machine according to the embodiment of the invention, the measurement system of the fastener forming machine further includes a display module electrically connected to the control module to provide information of the stamping stroke of the first die.
In the measurement system of the fastener forming machine according to the embodiment of the invention, the control module further includes an operation unit, the control module obtains an acceleration-time relationship of the first mold through the accelerometer, and the operation unit integrates the obtained acceleration-time relationship to calculate a punching stroke-time relationship of the first mold.
In the measuring system of the fastener forming machine according to the embodiment of the invention, the above-mentioned operation unit integrates the obtained acceleration-time relationship to calculate the punching speed-time relationship of the first die.
In the measuring system of the fastener forming machine according to the embodiment of the invention, the control module judges the vibration trend of the fastener forming machine according to the vibration degree of the relation curve.
Based on the above, the fastener forming machine can obtain the stamping stroke of the first die through the non-contact sensing module in addition to the stamping forming process required by driving the first die to move relative to the second die through the control module. The non-contact sensing module comprises a magnetic piece arranged on the first die and moving along with the first die, and a magnetic sensor arranged on a corresponding moving path of the magnetic piece, so that the stamping stroke of the first die is obtained through magnetic change. Furthermore, the non-contact sensing module comprises an accelerometer arranged on the first die, so that the sensing module can acquire the stamping stroke of the sensing module from the acquired acceleration of the first die.
In other words, the punch further corresponds to the size of the fastener formed by punching through the die closing distance, and the measuring system can provide the measuring information of the fastener piece by piece in real time in the manufacturing process of the fastener, so that the linearity, the accuracy and the stability of measurement are improved, and the measuring system can be effectively and online used as a quality basis for judging the fastener in the forging process of the fastener.
Drawings
FIG. 1 is a simplified schematic illustration of a measurement system of a fastener forming machine according to one embodiment of the present invention;
FIG. 2 is an electrical schematic diagram of a measurement system of the fastener forming machine of FIG. 1;
FIG. 3 is a partial side view of a measurement system of the fastener forming machine of FIG. 1;
FIG. 4 is an electrical schematic diagram of a measurement system of a fastener forming machine according to another embodiment of the invention.
Detailed Description
Reference will now be made in detail to the exemplary embodiments of the present invention, examples of which are illustrated in the accompanying drawings. Wherever possible, the same reference numbers will be used throughout the drawings and the description to refer to the same or like parts.
Fig. 1 is a simplified schematic diagram of a measurement system of a fastener forming machine according to an embodiment of the present invention. FIG. 2 is an electrical schematic diagram of a measurement system of the fastener forming machine of FIG. 1. Referring to fig. 1 and fig. 2, in the present embodiment, a measurement system 100 of a fastener forming machine includes a fastener forming machine 110, a control module 120 and a non-contact sensing module. The fastener forming machine 110 has a first mold 111 and a second mold 112 disposed opposite to each other, and the control module 120 is electrically connected to and drives the first mold 111 to move relative to the second mold 112, wherein a blank of a fastener is adapted to be fixed on the second mold 112, so that the blank can be punched to form at least one finished product or semi-finished product of the fastener through the above relative movement.
Here, the purpose of the noncontact induction module is to obtain the pressing stroke of the first die 111. In other words, the obtaining of the stamping stroke represents the clamping distance between the first mold 111 and the second mold 112, so that the dimension of the fastener formed by stamping can be further corresponding to the clamping distance, and further the required information can be provided piece by piece and in real time. Furthermore, the non-contact induction module can effectively overcome structural factors such as component fatigue or assembly errors possibly generated by the contact induction module, and can naturally provide more accurate data information compared with the contact induction module.
In the embodiment, the non-contact sensing module is a magnetic induction module 130, which includes a magnetic member 131 and a magnetic sensor 132, wherein the magnetic member 131 is disposed on the first mold 111 to move along with the first mold 111, and the magnetic sensor 132 is electrically connected to the control module 120 and disposed on an action path of the magnetic member 131. During the press molding process, the control module 120 senses the magnetic change of the magnetic member 131 through the magnetic sensor 132 to obtain the pressing stroke of the first mold 111.
Fig. 3 is a partial side view of a measurement system of the fastener forming machine of fig. 1. Referring to fig. 1 to 3, in detail, the magnetic member 131 of the present embodiment is a wedge-shaped block, which operates on the plane 113 of the fastener forming machine 110 together with the first mold 111 and the second mold 112, and the wedge-shaped surface 131a of the magnetic member 131 faces the magnetic sensor 132. Meanwhile, the control module 120 further has an operation unit 121 for receiving the related information acquired by the magnetic sensor 132. Accordingly, the control module 120 obtains at least one local magnetic variation of the wedge-shaped surface 131a through the magnetic sensor 132, and the computing unit 121 calculates the stroke of the magnetic member 131 along the plane 113 according to the at least one local magnetic variation and the inclination angle of the wedge-shaped surface 131a relative to the plane 113. For example, as shown in fig. 3, the wedge 131a has an inclination angle θ with respect to the plane 113, and the magnetic sensor 132 is configured to obtain a partial orthographic projection Δz of the wedge 131a, so that the magnetic sensor 132 can derive a movement stroke of the wedge along the X-axis according to the magnetic change generated by the same orthographic projection Δz during the press forming process, which is equivalent to a press stroke of the first die 111 along the plane 113.
In addition, the control module 120 can further adjust the accuracy of the travel of the magnetic element 131 along the plane 113 by adjusting at least a partial range obtained by the magnetic sensor 132, that is, by the corresponding triangle relationship (such as the proportional relationship between the orthographic projection amount Δz and the travel accuracy Δx) generated by the inclination angle θ, and the magnetic variation accuracy obtained from the orthographic projection amount Δz corresponds to the travel accuracy Δx. That is, the user can appropriately change the inclination angle θ to correspondingly obtain the stroke accuracy Δx.
On the other hand, the measuring system 100 of the fastener forming machine further includes a display module 140 electrically connected to the control module 120, so as to provide the information such as the stamping stroke of the first mold 111 relative to the second mold 112 to the user, so that the user can know the stamping stroke piece by piece and in real time.
In another embodiment, the measuring system of the fastener forming machine can be externally connected to an on-line predicting system of the fastener size, that is, the size of the fastener can be predicted on line by the operation of the size predicting model by combining the stamping stroke (corresponding to the mold clamping distance) with other sensing parameters (such as temperature and forging force) of the mold.
FIG. 4 is an electrical schematic diagram of a measurement system of a fastener forming machine according to another embodiment of the invention. Referring to fig. 4 and fig. 1, the same parts as those of the foregoing embodiments are not described again, but the difference between the non-contact sensing module of the present embodiment and the foregoing embodiments is that the accelerometer 230 is electrically connected to the control module 120, and the accelerometer 230 is disposed on the first mold 111 and moves along with the first mold 111, so that the control module 120 obtains the stamping stroke of the first mold 111 through the accelerometer 230.
Further, the control module 120 further has an operation unit 121, and the control module 120 obtains the acceleration-time (a-t) relation of the first die 111 through the accelerometer 230, and the operation unit 121 integrates the obtained acceleration-time (a-t) relation to calculate the punching stroke-time (x-t) relation of the first die 111. The computing unit 121 integrates the obtained acceleration-time (a-t) relationship once to calculate the press speed-time (v-t) relationship of the first die 111, and integrates the obtained acceleration-time (a-t) relationship once again to obtain the press stroke-time (x-t) relationship. In the present embodiment, the control module 120 can further determine the vibration degree and trend of the first mold 111 and the fastener forming machine 110 according to the vibration degree of the relationship curve.
In summary, in the above embodiment of the present invention, the fastener forming machine can obtain the stamping stroke of the first mold through the non-contact sensing module in addition to the required stamping process by driving the first mold to move relative to the second mold through the control module. The non-contact sensing module comprises a magnetic piece arranged on the first die and moving along with the first die, and a magnetic sensor arranged on a corresponding action path of the magnetic piece so as to obtain the punching stroke of the first die through magnetic change. Furthermore, the non-contact sensing module comprises an accelerometer arranged on the first die, so that the sensing module can acquire the stamping stroke of the sensing module from the acquired acceleration of the first die.
In other words, the obtaining of the stamping stroke represents the closing distance between the first mold and the second mold, so that the dimension of the fastener formed by stamping can be further corresponding to the closing distance, and the measuring system can provide the measuring information of the fastener piece by piece and in real time in the manufacturing process of the fastener piece, thereby increasing the linearity, accuracy and stability of measurement, and effectively and online being used as a quality basis for judging the fastener piece in the forging process.
Compared with other forms of non-contact induction modules, the working environment of the fastener forming is oil gas or other impurities in the stamping forming process, so that if the optical induction module is arranged, the influence is still easy to be caused, and more accurate stamping stroke information cannot be obtained. In addition, the pressing stroke (corresponding to the clamping distance) obtained in the above embodiment can be further combined with other sensed parameters (such as temperature and forging force) of the die, so as to predict the size of the fastener on line through the calculation of the size prediction model.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the invention.
Claims (3)
1. A measurement system for a fastener forming machine, comprising:
a fastener forming machine having a first die and a second die disposed opposite to each other;
the control module is electrically connected with and drives the first die to move relative to the second die so as to punch and form at least one fastener;
a magnetic induction module, comprising:
the magnetic piece is arranged on the first die and moves along with the first die; and
a magnetic sensor electrically connected with the control module and arranged on the moving path of the magnetic piece to obtain the stamping stroke of the first die by sensing the magnetic change of the magnetic piece in the stamping forming process,
the magnetic member and the magnetic sensor are separated from each other,
the magnetic member is a wedge block having a wedge face facing the magnetic sensor,
the first die and the second die perform the stamping forming on the plane of the fastener forming machine, the control module is provided with an operation unit, the control module obtains at least one local magnetic change of the wedge-shaped surface through the magnetic sensor, and the operation unit calculates the stroke of the magnetic piece along the plane through the at least one local magnetic change and the inclination angle of the wedge-shaped surface relative to the plane.
2. The measurement system of claim 1, wherein the control module adjusts the accuracy of the magnetic element in achieving travel along the plane by adjusting the magnetic sensor to achieve the at least one local range.
3. The measurement system of claim 1, further comprising a display module electrically connected to the control module to provide information about the stamping stroke of the first die.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362635.1A CN113587793B (en) | 2020-04-30 | 2020-04-30 | Measuring system of fastener forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010362635.1A CN113587793B (en) | 2020-04-30 | 2020-04-30 | Measuring system of fastener forming machine |
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| Publication Number | Publication Date |
|---|---|
| CN113587793A CN113587793A (en) | 2021-11-02 |
| CN113587793B true CN113587793B (en) | 2023-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010362635.1A Active CN113587793B (en) | 2020-04-30 | 2020-04-30 | Measuring system of fastener forming machine |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005195481A (en) * | 2004-01-08 | 2005-07-21 | Japan Servo Co Ltd | Magnetic linear position sensor |
| CN102107543A (en) * | 2009-12-24 | 2011-06-29 | 兰州兰石重工新技术有限公司 | Stroke detection device for pressing machine |
| CN202101732U (en) * | 2011-05-17 | 2012-01-04 | 中国端子电业股份有限公司 | Non-contact type height change induction device |
| DE102010039124A1 (en) * | 2010-08-10 | 2012-02-16 | Robert Bosch Gmbh | Sensor arrangement for gear shift system to detect position displacement of shift fork along traverse path, has magnet arrangement for producing homogeneous magnetic field, which exhibits constant flux density perpendicular to traverse path |
| CN103017647A (en) * | 2012-12-12 | 2013-04-03 | 江苏大学 | Detecting method for displacement of hydraulic counter-blow hammer heads |
| CN103673854A (en) * | 2012-09-18 | 2014-03-26 | 株式会社电装 | Position detection device |
| CN105509775A (en) * | 2009-12-21 | 2016-04-20 | 罗伯特·博世有限公司 | Magnetic field sensor assembly for capturing travel on movable parts |
| CN208833259U (en) * | 2017-09-15 | 2019-05-07 | 英飞凌科技股份有限公司 | For determining the magnet sensor arrangement and hydraulic actuator system of the position of actuator |
-
2020
- 2020-04-30 CN CN202010362635.1A patent/CN113587793B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005195481A (en) * | 2004-01-08 | 2005-07-21 | Japan Servo Co Ltd | Magnetic linear position sensor |
| CN105509775A (en) * | 2009-12-21 | 2016-04-20 | 罗伯特·博世有限公司 | Magnetic field sensor assembly for capturing travel on movable parts |
| CN102107543A (en) * | 2009-12-24 | 2011-06-29 | 兰州兰石重工新技术有限公司 | Stroke detection device for pressing machine |
| DE102010039124A1 (en) * | 2010-08-10 | 2012-02-16 | Robert Bosch Gmbh | Sensor arrangement for gear shift system to detect position displacement of shift fork along traverse path, has magnet arrangement for producing homogeneous magnetic field, which exhibits constant flux density perpendicular to traverse path |
| CN202101732U (en) * | 2011-05-17 | 2012-01-04 | 中国端子电业股份有限公司 | Non-contact type height change induction device |
| CN103673854A (en) * | 2012-09-18 | 2014-03-26 | 株式会社电装 | Position detection device |
| CN103017647A (en) * | 2012-12-12 | 2013-04-03 | 江苏大学 | Detecting method for displacement of hydraulic counter-blow hammer heads |
| CN208833259U (en) * | 2017-09-15 | 2019-05-07 | 英飞凌科技股份有限公司 | For determining the magnet sensor arrangement and hydraulic actuator system of the position of actuator |
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| Publication number | Publication date |
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| CN113587793A (en) | 2021-11-02 |
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