CN114535492B - Prejudging type riveting data acquisition device and riveting tool - Google Patents
Prejudging type riveting data acquisition device and riveting tool Download PDFInfo
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- CN114535492B CN114535492B CN202210138482.1A CN202210138482A CN114535492B CN 114535492 B CN114535492 B CN 114535492B CN 202210138482 A CN202210138482 A CN 202210138482A CN 114535492 B CN114535492 B CN 114535492B
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- riveting
- thimble
- sensor
- data acquisition
- acquisition device
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- 238000009434 installation Methods 0.000 claims abstract description 18
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/10—Riveting machines
- B21J15/28—Control devices specially adapted to riveting machines not restricted to one of the preceding subgroups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
Abstract
The application relates to the technical field of riveting tools, specifically discloses a pre-judging type riveting data acquisition device, including installation tube, thimble and sensor, the installation tube is connected in the rifle body, the sensor is installed on the installation tube, the thimble slides and sets up in the installation tube, the sensor includes deformation contact, the one end and the deformation contact of thimble, the protruding rifle head setting of the other end still disclose a riveting tool, including forejudging type riveting data acquisition device foretell. According to the riveting device, the thimble and the sensor are matched, after the thimble abuts against the outer wall of the workpiece, the thimble slides, the deformation contact deforms, the sensor sends an electric signal to the processor, the processor compares the electric signal after receiving the electric signal, whether the electric signal reaches the condition that a riveting tool starts to rivet or not is judged, before the riveting tool rivets, data acquisition is carried out on the abutting condition between the gun head and the outer wall of the workpiece, and then the matching condition between the riveting piece and the riveting hole on the workpiece is judged.
Description
Technical Field
The application relates to the field of riveting tools, in particular to a pre-judging type riveting data acquisition device and a riveting tool.
Background
Riveting, i.e., rivet connection, is a method of upsetting a shank in a rivet hole of a part by using an axial force and forming a head to connect a plurality of parts. Along with the development of technology, the types of riveting parts are more and more, such as riveting nuts, blind rivets and the like, and meanwhile, the ejector rod upsetting mode is gradually replaced by a riveting tool in a manual upsetting mode.
In the related art, the riveting tool comprises a motor arranged in a gun body, a pull rod driven by the motor, and an internal thread or external thread pull head arranged at the end part of the pull rod, wherein the pull head is used for installing a riveting piece, and most of the pull rod and the motor are matched through a ball screw so that the rotation of the motor is converted into the axial movement of the pull rod. When the riveting device is specifically used, the riveting piece is screwed on the pull head, then the riveting piece is inserted into the riveting hole of the workpiece, so that the gun head arranged at the end part of the gun body is abutted against the outer wall of the workpiece, and the motor drives the pull rod to pull the riveting piece, so that the riveting action is completed.
Along with the development of automatic production, the riveting tools are also gradually applied to the manipulators, and the automatic riveting is realized by using the manipulators to drive the riveting tools through a programming program. However, the inventor finds that in a specific production process, when the manipulator acts according to a program, there is often a deviation between a fitting position or a fitting angle of a riveting piece and the riveting hole after the riveting piece is inserted into the riveting hole, so that a riveting forming effect of the riveting piece is poor, and further the riveting strength is affected.
Disclosure of Invention
In order to realize that before riveting action, the riveting tool can detect the cooperation condition of riveting piece and work piece, this application provides a prejudgement formula riveting data acquisition device, riveting nut instrument and rivet instrument.
In a first aspect, the present application provides a pre-judging riveting data acquisition device that adopts the following technical scheme:
the utility model provides a pre-judgement formula riveting data acquisition device, includes installation tube, thimble and sensor, the installation tube is connected in the rifle body, the sensor is installed on the installation tube, the thimble slides and sets up in the installation tube, the sensor includes deformation contact, the one end and the deformation contact of thimble, the protruding rifle head setting of the other end.
Through adopting above-mentioned technical scheme, the installation tube can be installed on the rifle body, in the course of the work, the thimble is preceding the outer wall contact of rifle head and work piece, because the thimble can slide in the installation tube, after the thimble supports the work piece outer wall, along with the riveting piece inserts in the riveting hole, the thimble takes place to slide, and the slip of thimble can act on deformation contact, deformation contact takes place to warp, the sensor sends the signal of telecommunication to the treater, compare the processing to the signal of telecommunication after the treater receives, judge whether it can reach the riveting tool and begin the condition of riveting. Before the riveting tool is used for riveting, the data acquisition device can acquire data of the abutting condition between the gun head and the outer wall of the workpiece, and then the matching condition between the riveting piece and the riveting hole on the workpiece is judged.
Preferably, an arc section is formed at one end of the thimble, which is close to the sensor, and the deformation contact is contacted with the arc section.
Through adopting above-mentioned technical scheme, form the arc section at the tip of thimble to utilize arc section and deformation contact, can reduce the stress concentration that the thimble produced deformation contact, play the effect of protection to deformation contact.
Preferably, the thimble is provided with three along installation tube circumference evenly, just deformation contact corresponds with the quantity and the position of thimble.
Through adopting above-mentioned technical scheme, set up the thimble into three along circumference, a plane is confirmed to three points, when the thimble acts on the work piece simultaneously, 3 deformation contact output 3 data of group, and data when every group can all compare with the data when not deforming. And obtaining the displacement distance of the thimble by taking the absolute value of deformation.
Preferably, the device further comprises an elastic reset piece, wherein the elastic reset piece acts on one side of the deformation contact, which is far away from the thimble.
Through adopting above-mentioned technical scheme, deformation contact itself has certain elastic restoring force, however, if live time is longer, and elastic restoring force weakens, and then the thimble resumes the position inaccurately, utilizes elastic restoring piece to act on deformation contact, and after the riveting action is accomplished, elastic restoring piece acts on deformation contact to make the thimble resume to initial position, improved the accuracy in the thimble use.
Preferably, the mounting pipe is provided with a mounting plate and a limiting plate, a mounting gap is reserved between the mounting plate and the limiting plate, and the sensor is positioned in the mounting gap.
Through adopting above-mentioned technical scheme, utilize mounting panel and limiting plate to carry out the centre gripping to the sensor for the sensor installation is comparatively stable, and measurement accuracy is higher.
Preferably, the mounting plate is provided with a mounting groove, and the elastic resetting piece is mounted in the mounting groove.
Through adopting above-mentioned technical scheme, offer the mounting groove on the mounting panel to install the mounting groove with the elasticity piece that resets in, make the elasticity piece during operation that resets more stable.
Preferably, the mounting tube comprises an inner tube and an outer tube, the inner tube is connected with the gun body, the outer tube is connected with the inner tube in a threaded manner, a sliding groove is formed in the outer wall of the inner tube, and the thimble is slidably mounted in the sliding groove.
Through adopting above-mentioned technical scheme, divide into threaded connection's inner tube and outer tube with the installation pipe, when the model adjustment of rivet, can unscrew the outer tube, change the thimble of suitable length for this data detection device application scope is wider.
In a second aspect, the present application provides a riveting tool that employs the following technical scheme:
a riveting tool comprises the pre-judging type riveting data acquisition device.
Through adopting above-mentioned technical scheme, install on the riveting tool with prejudgement formula riveting data acquisition device, before riveting tool draws the riveting, can detect out the relative position and the angle of the riveting hole of riveting piece and work piece, it is better to drawing the riveting shaping effect.
In summary, the present application includes at least one of the following beneficial technical effects:
by utilizing the cooperation of thimble and sensor, when the thimble supports to the work piece outer wall thickness, along with the riveting piece inserts in the riveting hole, the thimble slides, and the slip of thimble can act on deformation contact, deformation contact takes place to warp, and the sensor sends the signal of telecommunication to the treater, compares the processing to the signal of telecommunication after the treater receives, judges whether it can reach the condition that riveting tool begins to rivet. Before the riveting tool is used for riveting, the data acquisition device can acquire data of the abutting condition between the gun head and the outer wall of the workpiece, so as to judge the matching condition between the riveting piece and the riveting hole on the workpiece;
the elastic reset piece is used for acting on the deformation contact, and after the rivet pulling action is completed, the elastic reset piece acts on the deformation contact, so that the thimble is restored to the initial position, and the accuracy of the thimble in the use process is improved;
the arc section is formed at the end part of the thimble and is contacted with the deformation contact, so that the stress concentration of the thimble on the deformation contact can be reduced, and the deformation contact is protected.
Drawings
FIG. 1 is a schematic cross-sectional view of an embodiment of the present application;
fig. 2 is a schematic structural diagram showing a sensor structure according to an embodiment of the present application.
Reference numerals illustrate: 1. installing a pipe; 11. an inner tube; 12. an outer tube; 2. a thimble; 3. a sensor; 31. a deformation contact; 4. a chute; 5. a mounting plate; 6. a limiting plate; 7. a limiting cylinder; 8. an arc section; 9. a mounting groove; 10. an elastic reset piece; 13. and (3) mounting a gap.
Detailed Description
The present application is described in further detail below in conjunction with figures 1-2.
The embodiment of the application discloses a prejudging type riveting data acquisition device.
Referring to fig. 1 and 2, a pre-judging type riveting data acquisition device comprises a mounting tube 1, a thimble 2 and a sensor 3, wherein the mounting tube 1 can be connected with a gun body of a riveting tool in a threaded fit or welding mode, the thimble 2 is slidably arranged on the mounting tube 1 along the axis direction of the mounting tube 1 in a penetrating manner, the sensor 3 is arranged on the outer wall of the mounting tube 1, the sensor 3 comprises three deformation contacts 31, each deformation contact 31 corresponds to one thimble 2, the deformation contacts 31 have elastic restoring force, one end of each thimble 2 is in contact with the deformation contact 31, and the other end of each thimble 2 protrudes out of a gun head 14. Preferably, the strain gauge is used as the sensor 3.
In the working process, the thimble 2 is contacted with the outer wall of the workpiece before the gun head 14, and as the thimble 2 can slide in the mounting pipe 1, when the thimble 2 is abutted to the outer wall thickness of the workpiece, the thimble 2 slides along with the insertion of the riveting piece into the riveting hole, the sliding of the thimble 2 acts on the deformation contact 31, the deformation contact 31 deforms, the sensor 3 sends out an electric signal to the processor, the processor can be a processor on a manipulator with a control function, the processor compares the electric signal after receiving the electric signal, judges whether the condition that the riveting tool starts to rivet can be achieved, if the condition that the riveting tool starts to rivet is achieved, the processor sends out a signal to the riveting tool, and the riveting tool starts to act; if the riveting condition is not met, the processor sends another signal to the power source of the riveting tool, so that the manipulator makes corresponding adjustment action, and the position or angle of the riveting tool is adjusted.
When the thimble 2 acts on the workpiece at the same time, 3 deformation contacts output 3 groups of data, and each group of data can be compared with the data without deformation. And obtaining the displacement distance of the thimble 2 by taking the absolute value of deformation.
Specifically, the installation pipe 1 comprises a cylindrical inner pipe 11 and an outer pipe 12, two sections of external threads are formed on the outer wall of the inner pipe 11, one section of external threads is used for being in threaded connection with a gun body, the other section of external threads is used for being in threaded connection with the outer pipe 12, and the threaded connection is convenient to detach and replace. The gun head 14 of the riveting tool is mounted to the end of the inner tube 11 remote from the gun body, preferably with a threaded engagement between the gun head 14 and the inner wall of the inner tube 11.
A sliding groove 4 is formed in the outer wall of the inner tube 11 along the axial direction of the inner tube, the thimble 2 is slidably arranged in the sliding groove 4, and the sliding direction of the thimble 2 is the same as the riveting direction of the riveting tool. The number of the sliding grooves 4 is three along the circumferential direction of the inner pipe 11, and each thimble 2 is matched with each sliding groove 4.
Install mounting panel 5 and limiting plate 6 on the outer wall of outer tube 12, mounting panel 5 is discoid, screw thread fit between the outer wall of mounting panel 5 and outer tube 12, and limiting plate 6 is the annular structure of a terminal surface indent, screw thread fit between the outer wall of limiting plate 6 and mounting panel 5, when mounting panel 5 and limiting plate 6 screw up, leave installation clearance 13 between the two, the outside embedding of sensor 3 is in installation clearance 13. The sensor 3 is clamped by the mounting plate 5 and the limiting plate 6, so that the sensor 3 is stably mounted, and the measurement accuracy is higher.
The thimble 2 is located one side that the sensor 3 is close to limiting plate 6, and the inner wall of limiting plate 6 is formed with a spacing section of thick bamboo 7, and a spacing section of thick bamboo 7 cover is established on outer tube 12, and the one end of a spacing section of thick bamboo 7 and the tip parallel and level of limiting plate 6, the other end orientation mounting panel 5 extend.
An arc-shaped section 8 is formed at one end of the thimble 2 close to the sensor 3, and when the thimble 2 is not abutted against a workpiece, one side of the arc-shaped section 8 is contacted with the deformation contact 31, and the other side of the arc-shaped section 8 is abutted against one end of the limiting cylinder 7 extending towards the direction of the mounting plate 5; when the thimble 2 is abutted with the workpiece and slides, the arc section 8 is separated from the limiting cylinder 7, and the deformation contact 31 is pushed to deform. The arc-shaped section 8 is in contact with the deformation contact 31, so that stress concentration of the thimble 2 on the deformation contact 31 can be reduced, and the deformation contact 31 is protected.
Three circular mounting grooves 9 are formed in one end, facing the limiting plate 6, of the mounting plate 5, elastic resetting pieces 10 are mounted in the mounting grooves 9, one ends of the elastic resetting pieces 10 are abutted to the bottoms of the mounting grooves 9, and the other ends of the elastic resetting pieces are contacted with one ends, far away from the ejector pins 2, of the deformation contacts 31. Preferably, the elastic restoring member 10 is a spring.
Firstly, the deformation contact 31 has an elastic resetting function, but if the elastic restoring force is weakened as time goes by, the restoring position of the thimble 2 is inaccurate, the elastic resetting piece 10 is utilized to act on the deformation contact 31, after the rivet pulling action is finished, the elastic resetting piece 10 acts on the deformation contact 31, the thimble 2 is restored to the initial position, and the accuracy of the thimble 2 in the use process is improved.
The embodiment of the application also discloses a riveting tool.
A riveting tool comprises the pre-judging type riveting data acquisition device. The pre-judging type riveting data acquisition device is arranged on the riveting tool, and before the riveting tool is used for riveting, the relative position and angle of a riveting hole of a riveting piece and a workpiece can be detected, so that the riveting forming effect is better.
The implementation principle of the prejudging type riveting data acquisition device in the embodiment of the application is as follows: in the working process, the thimble 2 is contacted with the outer wall of the workpiece before the gun head 14, and as the thimble 2 can slide in the mounting pipe 1, when the thimble 2 is abutted to the outer wall thickness of the workpiece, the thimble 2 slides along with the insertion of the riveting piece into the riveting hole, the sliding of the thimble 2 acts on the deformation contact 31, the deformation contact 31 deforms, the sensor 3 sends out an electric signal to the processor, the processor can be a processor on a manipulator with a control function, the processor compares the electric signal after receiving the electric signal, judges whether the condition that the riveting tool starts to rivet can be achieved, if the condition that the riveting tool starts to rivet is achieved, the processor sends out a signal to the riveting tool, and the riveting tool starts to act; if the riveting condition is not met, the processor sends another signal to the power source of the riveting tool, so that the manipulator makes corresponding adjustment action, and the position or angle of the riveting tool is adjusted.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The utility model provides a prejudgement formula riveting data acquisition device which characterized in that: the gun comprises a mounting tube (1), a thimble (2) and a sensor (3) elastic resetting piece (10), wherein the mounting tube (1) is connected to a gun body, the sensor (3) is mounted on the mounting tube (1), the thimble (2) is slidably arranged in the mounting tube (1), the sensor (3) comprises a deformation contact (31), one end of the thimble (2) is contacted with the deformation contact (31), and the other end of the thimble protrudes out of a gun head (14);
three thimble (2) are uniformly arranged along the circumferential direction of the mounting tube (1), and the deformation contacts (31) correspond to the thimble (2) in number and position; the elastic reset piece (10) acts on one side of the deformation contact (31) far away from the thimble (2);
when the thimble (2) is abutted to the outer wall of the workpiece, the thimble (2) slides along with the insertion of the riveting piece into the riveting hole, the sliding of the thimble (2) acts on the deformation contact (31), the deformation contact (31) deforms, the sensor (3) sends an electric signal to the processor, the processor compares the electric signal after receiving the electric signal, judges whether the electric signal can reach the condition that the riveting tool starts to rivet, and if the riveting condition is reached, the processor sends a signal to the riveting tool, and the riveting tool starts to act; and if the riveting conditions are not met, adjusting the position or angle of the riveting tool.
2. The pre-determined riveting data acquisition device as defined in claim 1, wherein: an arc-shaped section (8) is formed at one end, close to the sensor (3), of the thimble (2), and the deformation contact (31) is in contact with the arc-shaped section (8).
3. The pre-determined riveting data acquisition device as defined in claim 1, wherein: install mounting panel (5) and limiting plate (6) on mounting tube (1), leave installation clearance (13) between mounting panel (5) and limiting plate (6), sensor (3) are located installation clearance (13).
4. A pre-determined riveting data acquisition apparatus as claimed in claim 3, wherein: the mounting plate (5) is provided with a mounting groove (9), and the elastic reset piece (10) is mounted in the mounting groove (9).
5. The pre-determined riveting data acquisition device as defined in claim 1, wherein: the mounting pipe (1) comprises an inner pipe (11) and an outer pipe (12), the inner pipe (11) is connected to the gun body, the outer pipe (12) is in threaded connection with the inner pipe (11), a sliding groove (4) is formed in the outer wall of the inner pipe (11), and the thimble (2) is slidably mounted in the sliding groove (4).
6. A riveting tool, characterized in that: comprising a pre-determined riveting data acquisition device as claimed in any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210138482.1A CN114535492B (en) | 2022-02-15 | 2022-02-15 | Prejudging type riveting data acquisition device and riveting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210138482.1A CN114535492B (en) | 2022-02-15 | 2022-02-15 | Prejudging type riveting data acquisition device and riveting tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114535492A CN114535492A (en) | 2022-05-27 |
| CN114535492B true CN114535492B (en) | 2024-03-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210138482.1A Active CN114535492B (en) | 2022-02-15 | 2022-02-15 | Prejudging type riveting data acquisition device and riveting tool |
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| Country | Link |
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| CN (1) | CN114535492B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005046862A (en) * | 2003-07-31 | 2005-02-24 | Nippon Pop Rivets & Fasteners Ltd | Device for fastening fitting tool |
| CN1638888A (en) * | 2002-01-21 | 2005-07-13 | Ms仪器制造有限公司 | Placing tool with means for controlling placing processes |
| CN106247922A (en) * | 2016-08-31 | 2016-12-21 | 丰汉电子(上海)有限公司 | A kind of surface of the work deformation measurement detecting head, system and method |
| CN106840080A (en) * | 2017-01-22 | 2017-06-13 | 苏州菱麦自动化设备科技有限公司 | 3, space plane calibration manipulator and reset from checking method and calibration method |
| DE202020101120U1 (en) * | 2020-02-28 | 2020-03-31 | Titgemeyer GmbH & Co. KG | Riveting tool |
| CN113137425A (en) * | 2020-01-20 | 2021-07-20 | 杭州萤石软件有限公司 | Suction cup device |
-
2022
- 2022-02-15 CN CN202210138482.1A patent/CN114535492B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1638888A (en) * | 2002-01-21 | 2005-07-13 | Ms仪器制造有限公司 | Placing tool with means for controlling placing processes |
| JP2005046862A (en) * | 2003-07-31 | 2005-02-24 | Nippon Pop Rivets & Fasteners Ltd | Device for fastening fitting tool |
| CN106247922A (en) * | 2016-08-31 | 2016-12-21 | 丰汉电子(上海)有限公司 | A kind of surface of the work deformation measurement detecting head, system and method |
| CN106840080A (en) * | 2017-01-22 | 2017-06-13 | 苏州菱麦自动化设备科技有限公司 | 3, space plane calibration manipulator and reset from checking method and calibration method |
| CN113137425A (en) * | 2020-01-20 | 2021-07-20 | 杭州萤石软件有限公司 | Suction cup device |
| DE202020101120U1 (en) * | 2020-02-28 | 2020-03-31 | Titgemeyer GmbH & Co. KG | Riveting tool |
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| CN114535492A (en) | 2022-05-27 |
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