CN102240771B - Automatic rivet pulling device - Google Patents
Automatic rivet pulling device Download PDFInfo
- Publication number
- CN102240771B CN102240771B CN 201110087121 CN201110087121A CN102240771B CN 102240771 B CN102240771 B CN 102240771B CN 201110087121 CN201110087121 CN 201110087121 CN 201110087121 A CN201110087121 A CN 201110087121A CN 102240771 B CN102240771 B CN 102240771B
- Authority
- CN
- China
- Prior art keywords
- riveting
- rivet
- jaw
- take out
- cavity
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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
- B21J15/02—Riveting procedures
- B21J15/04—Riveting hollow rivets mechanically
- B21J15/043—Riveting hollow rivets mechanically by pulling a mandrel
-
- 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
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention provides an automatic rivet pulling device which comprises a rivet pulling cavity, a rivet drawing chuck, a power device and a core discharging pipe, wherein the rivet pulling cavity provides a space for the rivet drawing chuck, and rivets are fed in by virtue of an external rivet feeding pipe; driven by the power device, the rivet drawing chuck clamps, pushes and draws the rivets; and finally a drawn rivet mandrel is discharged from the core discharging pipe. By adopting the automatic rivet pulling device provided by the invention, automatic rivet pressing, rivet drawing and core discharging can be carried out under the control of a control system, automatic rivet drawing can be realized, and the automatic rivet pulling device can be integrated into an automatic assembling line. And a corresponding control system adopts a sensor to realize control, thus the control type is simple, convenient and reliable. An elastic clamping piece and a three-jaw structure are adopted, multiple rivets in different specifications can be accepted, and the generality is higher; and the whole structure size is compact, thus the automatic rivet pulling device provided by the invention can be applicable to multiple workplaces.
Description
Technical field
The present invention relates to field of machining, be specially a kind of automatic rivet pulling device.
Background technology
Self-plugging rivet is widely used in the fields such as automobile, aviation, and at present domestic self-plugging rivet riveting method is main still take manual staking as main, as adopting hand riveter etc.It is 200910132222.8 the disclosed a kind of multi-functional easy squeeze blind rivet gun of Chinese invention patent such as application number, can only manually self-plugging rivet be put into hand riveter, then carry out staking, and the rivet core bar after the staking freely is scattered, can not be integrated in the automation component, also to environment.Common craft is taken out riveter and is made mode and exist simultaneously that riveting quality is affected by human factors, the shortcomings such as working condition is poor, inefficiency, is difficult to satisfy the requirement of automobile, aviation field needs high surfaces machining accuracy.
Summary of the invention
The technical problem that solves
The present invention is directed to and manually take out at present riveter and have as mode that riveting quality is poor, efficient is low, labour intensity is large and can not be integrated into shortcoming in the automation processing component, proposed a kind of automatic rivet pulling device.
Technical scheme
Technical scheme of the present invention is:
Described a kind of automatic rivet pulling device is characterized in that: comprise the staking chamber, take out the riveting chuck, power set and row's core pipe;
The staking chamber comprises housing and separate type collet; Have clear opening and inclined hole in the housing, inclined hole communicates with clear opening, the inclined hole outer end is equipped with joint and send the riveting pipe to link to each other with the outside, the separate type elastomeric joint hollow round table structure that many lobes intermediate plate forms by the outer hoop elastic ring of serving as reasons, the big opening end of separate type elastomeric joint is fixedly connected with housing clear opening end;
Taking out the riveting chuck comprises and takes out riveting cavity, some jaws, takes out riveting dish and large back-moving spring; Take out the hollow round table structure that riveting cavity head is opening, take out the hollow cylinder structure that riveting cavity postmedian is end-enclosed; Each jaw is from the lobe shape structure that obtains after same frustum cone structure is cut open vertically, the tapering of described frustum cone structure is with to take out riveting cavity head hollow round table structure tapering identical, and have some axial blind holes at the frustum cone structure large end face, all blind hole depths are identical, and all blind hole centre-to-centre spacing frustum cone structure large end face centre distances equate, are distributed with a blind hole on each jaw; Taking out the riveting dish is disc structure, taking out the riveting dish is installed in and takes out riveting cavity postmedian, and by sealing ring with take out riveting cavity inner wall face and be sealed and matched, take out the riveting dish and have some radial grooves towards a side of jaw, the groove number is identical with the jaw number, groove ends and little back-moving spring one end are connected, and the little back-moving spring other end places the end of a straight section in the groove to be connected with " L " type push rod, and another straight section of " L " type push rod inserts in the jaw blind hole; Take out the riveting dish and take out riveting cavity rear portion inner face and be connected by large back-moving spring;
Power set comprise installing rack and hydraulic cylinder, installing rack is hollow-core construction, installing rack one end is fixedly connected with housing clear opening end, be fixed with hydraulic cylinder in the installing rack hollow-core construction, hydraulic cylinder power output rod end is fixedly connected with taking out riveting cavity outer back end face, also has axial passage in the installing rack sidewall, is fixed with breather pipe in the passage, breather pipe one end passes to be taken out riveting cavity rear portion end face and passes into and take out in the riveting cavity another termination external high pressure source of the gas of breather pipe;
Row's core Guan Yiduan passes successively hydraulic cylinder, takes out riveting cavity rear portion end face and takes out the riveting dish along central axial direction, another termination external core bar gathering-device.
A preferred version of the present invention is characterized in that: the hollow round table structure of separate type elastomeric joint for being formed by the outer hoop elastic ring by the identical intermediate plate of 3 lobes, and elastic ring binds round respectively at separate type elastomeric joint both ends.
A preferred version of the present invention is characterized in that: jaw is the lobe shape structure that obtains behind 3 lobes for evenly cuing open vertically from same frustum cone structure, and there is through hole at described frustum cone structure center, and through-hole diameter is less than treating staking rivet core bar diameter.
A preferred version of the present invention is characterized in that: the angle of inclined hole and clear opening central axis is not more than 45 degree in the housing.
Beneficial effect
The present invention accepts the self-plugging rivet that feeding device for nail is sent here, under control system control automatic press-riveting, take out riveting and row's core, realize that automation takes out riveting, can be integrated in the automated assembly line.And corresponding control system adopts sensor control, and control form is simple, convenient, and reliable.Adopt elastic clip and three-jaw structure, can accept the plurality of specifications rivet, have higher versatility; The overall structure compact dimensions is applicable to multiple workplace.
Description of drawings
Fig. 1: structural representation of the present invention;
Fig. 2: separate type collet structural representation;
Fig. 3: take out riveting chuck structure schematic diagram;
Fig. 4: take out riveting dish structural representation;
Fig. 5: clamping jaw structure schematic diagram;
Fig. 6: workflow schematic diagram of the present invention;
(a): send the riveting schematic diagram; (b): folder riveting schematic diagram; (c): take out riveting chuck folder riveting schematic diagram; (d): push away the riveting schematic diagram; (e): the staking schematic diagram.
Wherein: 1, elastic ring; 2, intermediate plate; 3, housing; 4, joint; 5, send the riveting pipe; 6, hydraulic pressure oil inlet pipe; 7, installing rack end cap; 8, row's core pipe trip bolt; 9, breather pipe trip bolt; 10, installing rack; 11, piston; 12, row's core pipe; 13, breather pipe; 14, hydraulic cylinder; 15, row's core pipe bidirectional joint; 16, take out riveting cavity end cap; 17, short tube; 18, large back-moving spring; 19, take out the riveting dish; 20, little back-moving spring; 21, " L " type push rod; 22, jaw; 23, take out the riveting cavity.
The specific embodiment
Below in conjunction with specific embodiment the present invention is described:
Embodiment:
The automatic rivet pulling device that adopts in the present embodiment includes the staking chamber, takes out the riveting chuck, power set and row's core pipe 12.
With reference to accompanying drawing 1, the staking chamber comprises housing 3 and separate type collet, has a clear opening and an inclined hole in its middle shell 3, and inclined hole communicates with clear opening, and inclined hole central axis and clear opening central axis intersect.Clear opening is the moving region of taking out the riveting chuck, and the inclined hole outer end is used for being connected with joint 4, and joint 4 communicates with the pneumatic riveting pipe 5 that send of external high pressure, thereby needs rivet just to send riveting pipe 5 to enter inclined hole by the outside.Obviously, the sensing of inclined hole should be towards separate type collet direction, so that the rivet of sending into can insert the separate type collet.In addition, in order effectively rivet to be sent into the separate type collet from inclined hole, the angle of inclined hole and clear opening central axis should be not more than 45 degree, adopts 30 degree in the present embodiment.With reference to accompanying drawing 2, the separate type collet hollow round table structure that many lobes intermediate plate 2 forms by outer hoop elastic ring 1 of serving as reasons, adopted the identical intermediate plate 2 of three lobes in the present embodiment, by the two ends that three circle elastic rings 1 are waled respectively the separate type collet, the big opening end of separate type elastomeric joint and housing 3 clear opening ends connect and fix.Adopt this separate type elastic joint structure to be convenient to take out the riveting chuck and push away in the riveting process, rivet middle part projection struts elastic ring and stretches out the separate type collet.
With reference to accompanying drawing 3, take out the riveting chuck and include and take out riveting cavity 23, several jaws 22, take out riveting dish 19 and large back-moving spring 18.Take out the hollow round table structure that riveting cavity 23 heads are opening, taking out riveting cavity 23 postmedians is the hollow cylinder structure, and the end is adopted and to be taken out that riveting cavity end cap 16 is airtight to close sealing.Jaw 22 is hold assemblies of rivet core bar, with reference to accompanying drawing 5, the lobe shape structure that each jaw 22 obtains after being and cutting open vertically from same frustum cone structure, here for jaw can with take out riveting cavity 23 heads and well cooperate, obtain the tapering of frustum cone structure of jaw 22 after described the cutting open with to take out riveting cavity 23 head hollow round table structure taperings identical, and have some axial blind holes at this frustum cone structure large end face, all blind hole depths are identical, and the distance at all blind hole centre-to-centre spacing frustum cone structure large end face centers equates that corresponding to all has a blind hole on each jaw 22.Adopt three lobe clamping jaw structures in the present embodiment, and for better clamping rivet core bar, the frustum cone structure center that obtains jaw 22 after described the cutting open has axially extending bore, and in order generally to be suitable for various rivets, through-hole diameter should be less than the minimum core bar diameter in the existing rivet specification.
With reference to accompanying drawing 3 and accompanying drawing 4, take out riveting dish 19 and be disc structure, be installed in the postmedian of taking out riveting cavity 23, and by sealing ring with take out the 23 internal face hermetic seals of riveting cavity and cooperate, also should endwisely slip along taking out riveting cavity 23 internal faces under external force but take out riveting dish 19.Take out riveting dish 19 and have some radial grooves towards a side of jaw 22, the groove number is identical with the jaw number, is three in the present embodiment, and groove location is corresponding with blind hole position on the jaw.Groove ends is fixedly connected with little back-moving spring 20 1 ends, in groove, do not deviate from order to make little back-moving spring, groove be shaped as inner wide and outer narrow shape, little back-moving spring 20 other ends place the end of the interior straight section of groove to be fixedly connected with " L " type push rod 21, this straight section of " L " type push rod 21 can radially move in groove, another straight section of " L " type push rod 21 inserts in the blind hole of corresponding jaw, " thereby L " type push rod 21 becomes the axially-movable of will take out riveting dish 19 transfers jaw to along taking out moving of the riveting cavity 23 head conical surfaces, thereby realizes the clamping of three lobe jaws or unclamp.Take out riveting dish 19 and be connected by large back-moving spring 18 with taking out between the riveting cavity end cap 16, wherein the effect of large back-moving spring 18 is to retract taking out riveting dish 19.
With reference to accompanying drawing 1, power set comprise installing rack 10 and hydraulic cylinder 14, and installing rack 10 is hollow-core construction, and installing rack 10 1 ends are fixedly connected with the end screw of housing 3 clear openings, and installing rack 10 other end bolts are fixed with installing rack end cap 7.Hydraulic cylinder 14 is fixedly mounted in the hollow-core construction of installing rack 10, it is logical such as hydraulic cylinder 14 that hydraulic pressure oil inlet pipe 6 passes installing rack 10 sidewalls by fuel inlet fitting, the power output rod end of hydraulic cylinder 14 is fixedly connected with the outer face of taking out riveting cavity end cap 16 by screw, takes out the axially-movable of riveting chuck thereby the power output rod of hydraulic cylinder 14 can drive.In installing rack 10 sidewalls, also have axial passage, breather pipe 13 is housed in the passage, breather pipe 13 is fixedly connected with installing rack end cap 7 by breather pipe trip bolt 9, breather pipe 13 1 ends pass to be taken out riveting cavity end cap 16 and passes into and take out riveting cavity 23 inside, be specially and take out riveting dish 19 and take out space between the riveting cavity end cap 16, breather pipe 13 another termination external high pressure sources of the gas make and take out riveting dish 19 motion by passing into high pressure gas, and then drive 22 clampings of three lobe jaws by " L " shape push rod.
With reference to accompanying drawing 1, row's core pipe 12 runs through installing rack end cap 7, hydraulic cylinder 14 along central axial direction, connects by row's core pipe bidirectional joint 15 and runs through the short tube 17 of taking out riveting dish 19, and the end of short tube 17 is near jaw 22.In order to have general versatility, the internal diameter of row's core pipe 12 and short tube 17 is greater than the maximum core shank diameter in the existing rivet specification.The outside core bar gathering-device of row's core pipe 12 outer termination.
With reference to accompanying drawing 6 course of work of the present invention is described.Take riveted joint cycle of a rivet as example, Fig. 6 (a) shows that rivet is in the state that send in the riveting pipe, takes out the riveting chuck this moment and is in clear opening near an end of hydraulic cylinder; After sensor is felt rivet and is subjected to high force feed riveting gas push to enter clear opening, control system starts send the riveting device automatically, at this moment, rivet is owing to be subjected to drive of high-pressure gas, speed is higher, buffering and guiding through the separate type collet are lower, and the clamping of separated formula collet is shown in Fig. 6 (b); Take out the riveting chuck this moment and still be in clear opening near an end of hydraulic cylinder; When the sensor senses rivet is in correct clamp position in the separate type collet after, pneumatic-hydraulic supercharging device in the control system primer fluid cylinder pressure, hydraulic oil in the hydraulic cylinder is drawn out of, piston promotes to take out the riveting collet axis to travelling forward under the atmospheric pressure effect, the rivet core bar passes to be taken out riveting cavity 23 head bore and finally enters row's core pipe mouth of pipe by short tube, shown in Fig. 6 (c); Open the air intake valve of breather pipe 13 this moment, external high pressure gas enters by breather pipe and takes out riveting cavity 23 inside, make and take out 19 motions of riveting dish, and then drive three lobe jaws, 22 clamping rivet core bars by " L " shape push rod, taking out whole continuation of riveting chuck this moment axially travels forward under piston promotes, until rivet middle part projection struts the separate type collet, so that rivet middle part projection is in the separate type collet outside, shown in Fig. 6 (d); After rivet middle part projection was sent, breather pipe continued ventilation, guaranteed that three lobe jaws 22 continue the tight rivet core bar of clamping, begin to inject the high pressure liquid force feed in the hydraulic cylinder, piston driving is taken out the fast backward motion of riveting chuck integral body, the rivet core bar is broken, shown in Fig. 6 (e); After the rivet core bar is broken, the breather pipe air intake valve is closed, drain tap is opened, taking out riveting dish 19 moves to taking out riveting cavity end cap 16 under large action of reset spring, " L " shape push rod makes three lobe jaws unclamp the rivet core bar under the effect of little back-moving spring simultaneously, is evacuated to outside core bar gathering-device and arrange the rivet core bar that the external vacuum generator of core pipe will be in row's core tube end this moment, and then the riveted joint cycle of single rivet finishes, take out the riveting chuck and recover the home position, wait for that next rivet sends into.
Claims (4)
1. automatic rivet pulling device is characterized in that: comprise the staking chamber, take out the riveting chuck, power set and row's core pipe;
The staking chamber comprises housing and separate type collet; Have clear opening and inclined hole in the housing, inclined hole communicates with clear opening, the inclined hole outer end is equipped with joint and send the riveting pipe to link to each other with the outside, the separate type collet hollow round table structure that many lobes intermediate plate forms by the outer hoop elastic ring of serving as reasons, the big opening end of separate type collet is fixedly connected with housing clear opening end;
Taking out the riveting chuck comprises and takes out riveting cavity, some jaws, takes out riveting dish and large back-moving spring; Take out the hollow round table structure that riveting cavity head is opening, take out the hollow cylinder structure that riveting cavity postmedian is end-enclosed; Each jaw is from the lobe shape structure that obtains after same frustum cone structure is cut open vertically, obtain the tapering of frustum cone structure of jaw after described the cutting open with to take out riveting cavity head hollow round table structure tapering identical, and the frustum cone structure large end face that obtains jaw after cutting open has some axial blind holes, all blind hole depths are identical, and the frustum cone structure large end face centre distance that obtains jaw after all blind hole centre-to-centre spacing are cut open equates, is distributed with a blind hole on each jaw; Taking out the riveting dish is disc structure, taking out the riveting dish is installed in and takes out riveting cavity postmedian, and by sealing ring with take out riveting cavity inner wall face and be sealed and matched, take out the riveting dish and have some radial grooves towards a side of jaw, the groove number is identical with the jaw number, groove ends and little back-moving spring one end are connected, and the little back-moving spring other end places the end of a straight section in the groove to be connected with " L " type push rod, and another straight section of " L " type push rod inserts in the jaw blind hole; Take out the riveting dish and take out riveting cavity rear portion inner face and be connected by large back-moving spring;
Power set comprise installing rack and hydraulic cylinder, installing rack is hollow-core construction, installing rack one end is fixedly connected with housing clear opening end, be fixed with hydraulic cylinder in the installing rack hollow-core construction, hydraulic cylinder power output rod end is fixedly connected with taking out riveting cavity outer back end face, also has axial passage in the installing rack sidewall, is fixed with breather pipe in the passage, breather pipe one end passes to be taken out riveting cavity rear portion end face and passes into and take out in the riveting cavity another termination external high pressure source of the gas of breather pipe;
Row's core Guan Yiduan passes successively hydraulic cylinder, takes out riveting cavity rear portion end face and takes out the riveting dish along central axial direction, another termination external core bar gathering-device.
2. a kind of automatic rivet pulling device according to claim 1 is characterized in that: the hollow round table structure of separate type collet for being formed by the outer hoop elastic ring by the identical intermediate plate of 3 lobes, and elastic ring binds round respectively at separate type collet both ends.
3. a kind of automatic rivet pulling device according to claim 1, it is characterized in that: jaw is the lobe shape structure that obtains behind 3 lobes for evenly cuing open vertically from same frustum cone structure, and there is through hole at the frustum cone structure center that obtains jaw after described the cutting open, and through-hole diameter is less than treating staking rivet core bar diameter.
4. a kind of automatic rivet pulling device according to claim 1 is characterized in that: the angle of inclined hole and clear opening central axis is not more than 45 degree in the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110087121 CN102240771B (en) | 2011-04-07 | 2011-04-07 | Automatic rivet pulling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110087121 CN102240771B (en) | 2011-04-07 | 2011-04-07 | Automatic rivet pulling device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102240771A CN102240771A (en) | 2011-11-16 |
| CN102240771B true CN102240771B (en) | 2013-04-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110087121 Expired - Fee Related CN102240771B (en) | 2011-04-07 | 2011-04-07 | Automatic rivet pulling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102240771B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249337A (en) * | 2018-08-15 | 2019-01-22 | 铁藤机电技术（上海）有限公司 | Hand-supportable semi-automatic Nut riveter and its control method |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527907B (en) * | 2012-02-12 | 2013-11-20 | 深圳市君奕豪科技有限公司 | Riveter for self-plugging rivets |
| CN105234667A (en) * | 2015-11-09 | 2016-01-13 | 珠海格力电器股份有限公司 | Riveting tool |
| CN113441672B (en) * | 2020-03-27 | 2023-06-06 | 深圳富联富桂精密工业有限公司 | Automatic hand riveter and operation method thereof |
| CN113634705A (en) * | 2021-08-19 | 2021-11-12 | 西北工业大学 | Gas-liquid pressurization automatic core-pulling riveting end effector |
| CN115138605B (en) * | 2022-09-01 | 2022-12-16 | 无锡凌岳智能技术有限公司 | Automatic gun head cleaning device and cleaning method for rivet gun |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535925A (en) * | 1983-08-10 | 1985-08-20 | Micro Plastics, Inc. | Semi-automatic pneumatic expansion rivet gun |
| US4744238A (en) * | 1986-07-02 | 1988-05-17 | Senco Products, Inc. | Pneumatic rivet setting tool |
| US5136873A (en) * | 1991-11-13 | 1992-08-11 | S.A.R.G. Research Assoc, Ltd. | Automatic blind rivet setting device |
| CN2210050Y (en) * | 1994-09-29 | 1995-10-18 | 朱淦昌 | Device for drawing rivent with automatically removing waste rod and filings |
| CN2468631Y (en) * | 2001-02-23 | 2002-01-02 | 上海安字实业有限公司 | Mechainsm for taking-in/pullijng-out hollow rivent for pneuamtic gun |
| CN101612642A (en) * | 2008-06-26 | 2009-12-30 | 张文华 | Multifunctional hand riveter |
| CN202037294U (en) * | 2011-04-07 | 2011-11-16 | 西北工业大学 | Automatic rivet pulling device |
-
2011
- 2011-04-07 CN CN 201110087121 patent/CN102240771B/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109249337A (en) * | 2018-08-15 | 2019-01-22 | 铁藤机电技术（上海）有限公司 | Hand-supportable semi-automatic Nut riveter and its control method |
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| Publication number | Publication date |
|---|---|
| CN102240771A (en) | 2011-11-16 |
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Granted publication date: 20130403 |