CN203887142U - Head structure of electric riveter - Google Patents
Head structure of electric riveter Download PDFInfo
- Publication number
- CN203887142U CN203887142U CN201420253397.0U CN201420253397U CN203887142U CN 203887142 U CN203887142 U CN 203887142U CN 201420253397 U CN201420253397 U CN 201420253397U CN 203887142 U CN203887142 U CN 203887142U
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- Prior art keywords
- pull
- head
- rivet
- chuck
- cover
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Abstract
The utility model discloses a head structure of an electric riveter. According to the technical scheme, the head structure is characterized in that a plug, a riveting head, a chuck push rod, a sliding rod sleeve and a sliding screw are disposed in a duct in order, the plug is fixedly connected to a head shell, the riveting head and the chuck push rod are sleeved with a riveting head sleeve, one end of the riveting head sleeve is linked with the sliding rod sleeve, one end, corresponding to the sliding screw, of the sliding rod sleeve is provided with a thread groove, one end, corresponding to the sliding rod sleeve, of the sliding screw is provided with a thread head matching with the thread groove, the riveting head comprises a plurality of jaws, the jaws form the riveting head in a cone frustum shape, the riveting head sleeve comprises a movement cavity in a cone frustum shape, the riveting head in the cone frustum shape is movably disposed in the movement cavity, and the outer diameter of the other end, corresponding to the plug, of the riveting head is larger than the inner diameter of the movement cavity. The head structure allows a rivet mandrel to easily separate from a riveter-head after the mandrel of the blind rivet is pulled.
Description
Technical field
The utility model relates to electric tool equipment technical field, is specifically related to a kind of electric blind-riveting tool gun rifle header structure.
Background technology
Self-plugging rivet is the rivet that a class blind riveting is used, but must use specific purpose tool riveting gun to rivet.When riveted joint, rivet blind rivet is pulled by special riveting gun, and rivet body is expanded, and plays riveted joint effect.This class rivet is specially adapted to the riveted joint occasion of inconvenience employing conventional rivets (must rivet from two sides), therefore on the products such as the building of being widely used in, automobile, boats and ships, aircraft, machine, electrical equipment, furniture.Use riveting gun when riveted joint, only needing one-sided construction be achievable riveting work, construction, operation is very easy, fast, can not destroy workpiece, be applicable to the position construction that hand or top iron cannot arrive.Riveted joint principle is the sheet material that manufactured head runs through riveted joint, and it is flange shape that rivet bar is subject to pulling force to force manufactured head expansion to form, and makes material reach the object of riveted joint.Riveting gun includes hand-operated core pulling riveting gun, Pneumatic core-pulling riveting gun and electric core extraction pneumatic riveter.Conventionally it is manual, on market and in engineering, using core extraction pneumatic riveter.The operation principle of hand-operated core pulling riveting gun is: hand-tightly hold two smalls of the stock by two, two arms firmly to centre with strength, pull a bobbin by lever, and two claws are equipped with in bobbin head inside, two claws are wrapped in the internal conical surface of its outside cylinder die cavity body by means of ring, bite self-plugging rivet bar and pull back.When operation, first the steel rivet bar of self-plugging rivet afterbody is inserted in two claws of core extraction pneumatic riveter head, and then core extraction pneumatic riveter is just put, rivet is inserted will rivet in the hole of workpiece, again firmly by the folding of the self-plugging rivet small of the stock several times, along with seesawing of bobbin, two claws in it divide and pull several times self-plugging rivet bar, stub end by self-plugging rivet bar supports large by the taper end compression of rivet, until combination workpiece is riveted tightly, last rivet bar holds can't stand large pulling force again, in stub end generation constriction, till fracture, complete riveting.Pneumatic core-pulling riveting gun is that compressed air is changed into and surged, the riveting work that seesawed of control piston axle.Hand-operated core pulling riveting gun inefficiency, the power consumption of Pneumatic core-pulling riveting gun is large, therefore, the limitation of the riveting gun of tradition vapour-pressure type is more and more obvious, be difficult to meet the demand that modern industry is produced, there is again on the market electric blind-riveting tool gun for this reason, conventional electric riveting gun does not have specific locking device, it is threaded rivet that its locking device must use specific rivet, screwed in riveting gun, until locking, so not only cost is higher, it is restricted, also cannot ensure the tightness of rivet, and self-plugging rivet loose core and install fixing after, rivet mandrel of the prior art generally comes off naturally by gravity, once clamping stagnation need to be extracted it out manually from rifle head, complex operation, there is room for improvement.
Utility model content
The deficiency existing for prior art, after the utility model provides a kind of self-plugging rivet to loose core, rivet mandrel is the electric blind-riveting tool gun rifle header structure from deviating from rifle head easily.
For achieving the above object, the utility model provides following technical scheme: a kind of electric blind-riveting tool gun rifle header structure, comprise rifle head shell, in rifle head shell, hollow out is formed with cavity, in cavity, be disposed with plug, rivet pull head, chuck push rod, pull bar cover and push-pull screw, plug is fixedly connected on rifle head shell, on rivet pull head and chuck push rod, be arranged with pull head cover, one end and the pull bar cover of pull head cover are connected, one end that pull bar overlaps corresponding push-pull screw is provided with thread groove, one end of the corresponding pull bar cover of push-pull screw is provided with the thread head of matching thread groove, threaded rod cover and pull head cover can the in axial direction slippages in cavity of relative push-pull screw, the other end that pull bar overlaps corresponding push-pull screw offers can be for the slideway of chuck push rod slippage, in slideway, be provided with elastic component, rivet pull head comprises some claws, some claws form the rivet pull head that is frustum, pull head cover comprises the movable chamber that is frustum, movable being arranged in movable chamber of rivet pull head of frustum, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, between some claws, be formed with screw channel, chuck push rod comprises the opening chuck cover and the end socket chuck cover that are threaded, and between opening chuck cover and end socket chuck cover, hollow out is formed with accommodating cavity, is provided with spring in accommodating cavity, and opening chuck puts the through hole that offers conducting screw channel and accommodating cavity.
By adopting technique scheme, push-pull screw can be done forward or reverse rotation under the drive of outside driving arrangement, its thread head can match with the thread groove of pull bar cover, make thread head can screw thread precession thread groove in, or can screw out in thread groove by screw thread, in the time of push-pull screw forward, thread head can precession thread groove in, because the relative position of push-pull screw is motionless, now pull bar cover is along cavity to push-pull screw one side shifting, in the time that push-pull screw reverses, thread head can screw out in thread groove, same, push-pull screw relative position is motionless, pull bar cover is along cavity push-pull screw one side shifting dorsad, in the time that pull bar overlaps that push-pull screw moves dorsad, pull bar cover promotes chuck push rod, chuck push rod promotes rivet pull head, some claws form the rivet pull head that is frustum, in the time of chuck push rod compressing rivet pull head, after forcing some claw pressurizeds, slightly open and be pressed on plug, now the rivet mandrel of self-plugging rivet can be in plug inserts and puts in the screw channel forming between some claws, because pull head cover comprises the movable chamber that is taper, rivet pull head is active in movable chamber, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, in the time that pull head is enclosed within pull bar cover drive lower back to plug one side shifting, pull head cover some claws are pulled and dorsad plug move, now between some claws, fold, by screw channel, self-plugging rivet is clamped firmly, and loosed core and installed fixing, and offer slideway in pull bar cover, chuck push rod slip is arranged in slideway, between chuck push rod and slideway, elastic component is set, slideway can play guide and limit effect to elastic component, in the time that pull bar overlaps that push-pull screw moves dorsad, pull bar cover promotes chuck push rod by the cooperation of elastic component, force chuck push rod extruding rivet pull head, the damage that elastic component causes parts with avoiding coordinating of chuck push rod causing chuck push rod excessive compression rivet pull head because moment of torsion is excessive, and opening chuck cover and end socket chuck cover are together by a threaded connection, in accommodating cavity between opening chuck cover and end socket chuck cover, spring is set, and opening chuck puts the through hole that offers conducting screw channel and accommodating cavity, in the time that rivet pull head is against on plug, self-plugging rivet can pass successively plug, screw channel and through hole and put in accommodating cavity, rivet mandrel extrusion spring, after rivet mandrel is extracted, rivet pull head is against on plug again, screw channel opens, now the elastic potential energy of spring discharges and rivet mandrel can be ejected smoothly, facilitate rivet mandrel to deviate from rifle head, the split setting of opening chuck cover and end socket chuck cover is also convenient to the production and processing of chuck push rod and assembling is installed.
The utility model is further set to, and the aperture of accommodating cavity is greater than the aperture of through hole, and the junction of accommodating cavity and through hole is formed with limiting stand, and the two ends of spring are connected to respectively limiting stand and end socket chuck puts.
By adopting technique scheme, the aperture of accommodating cavity is greater than the aperture of through hole, accommodating cavity can play guide effect to spring, and the two ends of spring are connected to respectively limiting stand and end socket chuck puts, both spring can be limited in accommodating cavity, in self-plugging rivet puts in accommodating cavity time, facilitate coordinating between rivet mandrel and spring.
The utility model is further set to, and one end that pull bar overlaps corresponding push-pull screw is provided with hex nut, the corresponding hexagonal slideway of being arranged to for hex nut axial slip of cavity.
By adopting technique scheme, hex nut coordinates with hexagonal slideway, and pull bar cover can not radially circumferentially be rotated, can only be along cavity axial slip, make in the time that push-pull screw rotates, pull bar cover relatively push-pull screw is done relative sliding motion in the axial direction.
The utility model is further set to, and rivet pull head comprises three claws, and one end of three corresponding plugs of claw can be opened and be connected on plug by pressurized.
By adopting technique scheme, preferred rivet pull head comprises three claws, three claws are under the compressing of chuck push rod, after one end pressurized of its corresponding plug, slightly open and be connected on plug, equally slightly open under the extruding of chuck push rod one end of its corresponding chuck push rod, make screw channel internal diameter become large, and be greater than slightly the internal diameter of self-plugging rivet, facilitate the insertion of self-plugging rivet.
The utility model is further set to, and on one end of the corresponding slideway of chuck push rod, gives prominence to and is provided with boss, and elastic component is set on boss.
By adopting technique scheme, slideway and boss can play guide and limit effect to spring, guarantee that the matching relationship between spring and chuck push rod is reliable and stable.
The utility model is further set to, and is arranged with bearing on push-pull screw.
By adopting technique scheme, push-pull screw is rotated in transmission process more flexible, guarantee that its transmission is more reliable and stable, reduce the frictional dissipation in transmission process.
The utility model is further set to, and rifle head shell comprises by two-piece housing and is threaded and forms.
By adopting technique scheme, rifle head shell comprises by two-piece housing and is threaded and forms, facilitate on the one hand the production and processing moulding of rifle head shell, it is lower to technological requirement that split arranges production, and two ends housing preferably adopts the mode being threaded to be fixed together, facilitate the follow-up assembling of product and machine-shaping.
Compared with prior art, the utility model has the advantage of: this electric blind-riveting tool gun rifle header structure is after self-plugging rivet installation is fixing, and its rivet mandrel is easily deviate from.
Brief description of the drawings
Fig. 1 is the sectional structure schematic diagram of the utility model electric blind-riveting tool gun rifle header structure;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the exploded perspective view of the utility model electric blind-riveting tool gun rifle header structure;
Fig. 4 is a kind of schematic diagram of the utility model plug, rivet pull head, chuck push rod;
Fig. 5 is the another kind of schematic diagram of the utility model plug, rivet pull head, chuck push rod.
Reference numeral: 1, rifle head shell; 11, housing; 2, plug; 3, rivet pull head; 4, chuck push rod; 41, opening chuck cover; 42, end socket chuck cover; 43, accommodating cavity; 44, spring; 45, through hole; 46, limiting stand; 47, back-up ring; 48, boss; 5, pull bar cover; 51, hex nut; 6, push-pull screw; 61, bearing; 7, pull head cover; 71, movable chamber; 8, elastic component.
Detailed description of the invention
Referring to figs. 1 through Fig. 5, the utility model electric blind-riveting tool gun rifle header structure embodiment is described further.
A kind of electric blind-riveting tool gun rifle header structure, comprise rifle head shell 1, rifle head shell 1 comprises by two-piece housing 11 and is threaded and forms, facilitate on the one hand the production and processing moulding of rifle head shell 1, it is lower to technological requirement that split arranges production, and the preferred mode being threaded that adopts of two ends housing 11 is fixed together, facilitate the follow-up assembling of product and machine-shaping, rifle head shell 1 interior hollow out is formed with cavity, in cavity, be disposed with plug 2, rivet pull head 3, chuck push rod 4, pull bar cover 5 and push-pull screw 6, plug 2 is fixedly connected on rifle head shell 1, on rivet pull head 3 and chuck push rod 4, be arranged with pull head cover 7, one end of pull head cover 7 and pull bar cover 5 are connected, one end that pull bar overlaps 5 corresponding push-pull screws 6 is provided with thread groove, one end of the corresponding pull bar cover 5 of push-pull screw 6 is provided with the thread head of matching thread groove, threaded rod cover and pull head overlap 7 can the in axial direction slippage in cavity of relative push-pull screw 6, push-pull screw 6 can be done forward or reverse rotation under the drive of outside driving arrangement, its thread head can overlap 5 thread groove with pull bar and match, make thread head can screw thread precession thread groove in, or can screw out in thread groove by screw thread, in the time of push-pull screw 6 forward, thread head can precession thread groove in, because the relative position of push-pull screw 6 is motionless, now pull bar cover 5 is along cavity to push-pull screw 6 one side shiftings, in the time that push-pull screw 6 reverses, thread head can screw out in thread groove, same, push-pull screw 6 relative positions are motionless, pull bar cover 5 is along cavity push-pull screw 6 one side shiftings dorsad, at pull bar cover 5 when push-pull screw 6 moves dorsad, pull bar cover 5 promotes chuck push rod 4, chuck push rod 4 promotes rivet pull head 3, preferably, one end that pull bar overlaps 5 corresponding push-pull screws 6 is provided with hex nut 51, the corresponding hexagonal slideway of being arranged to for hex nut 51 axial slips of cavity, hex nut 51 coordinates with hexagonal slideway, pull bar cover 5 can not radially circumferentially be rotated, can only be along cavity axial slip, make in the time that push-pull screw 6 rotates, pull bar cover 5 relatively push-pull screw 6 is done relative sliding motion in the axial direction, rivet pull head 3 comprises some claws, some claws form the rivet pull head 3 that is frustum, in the time that chuck push rod 4 is oppressed rivet pull head 3, after forcing some claw pressurizeds, slightly open and be pressed on plug 2, as best preferred version of the present utility model, rivet pull head 3 comprises three claws, three claws are under the compressing of chuck push rod 4, after one end pressurized of its corresponding plug 2, slightly open and be connected on plug 2, equally slightly open under the extruding of chuck push rod 4 one end of its corresponding chuck push rod 4, make screw channel internal diameter become large, and be greater than slightly the internal diameter of self-plugging rivet, now the rivet mandrel of self-plugging rivet can be in plug 2 inserts and puts in the screw channel forming between some claws, because pull head cover 7 comprises the movable chamber 71 that is frustum, movable being arranged in movable chamber 71 of rivet pull head 3 of frustum, and the external diameter of the other end of the corresponding plug 2 of rivet pull head 3 is greater than the internal diameter in the movable chamber 71 of taper, between some claws, be formed with screw channel, at pull head cover 7 under pull bar cover 5 drives dorsad when plug 2 one side shifting, pull head cover 7 some claws are pulled and dorsad plug 2 move, now between three claws, fold, by screw channel, self-plugging rivet is clamped firmly, and loosed core and installed fixing, can be for the slideway of chuck push rod 4 slippages and offer at the other end that pull bar overlaps 5 corresponding push-pull screws 6, chuck push rod 4 slips are arranged in slideway, elastic component 8 is set between chuck push rod 4 and slideway, preferred this elastic component 8 can be spring, the outstanding boss 48 that is provided with on one end of chuck push rod 4 corresponding slideways, elastic component 8 is set on boss 48, slideway and boss 48 can play guide and limit effect to spring, guarantee that the matching relationship between spring and chuck push rod 4 is reliable and stable, at pull bar cover 5 when push-pull screw 6 moves dorsad, pull bar cover 5 promotes chuck push rod 4 by the cooperation of elastic component 8, force chuck push rod 4 to push rivet pull head 3, the damage that elastic component 8 causes parts with avoiding coordinating of chuck push rod 4 causing chuck push rod 4 excessive compression rivet pull heads 3 because moment of torsion is excessive, and on push-pull screw 6, be arranged with bearing 61, push-pull screw 6 is rotated in transmission process more flexible, guarantee that its transmission is more reliable and stable, reduce the frictional dissipation in transmission process.
Further, chuck push rod 4 comprises opening chuck cover 41 and end socket chuck cover 42, opening chuck cover 41 and end socket chuck cover 42 are together by a threaded connection, between opening chuck cover 41 and end socket chuck cover 42, hollow out is formed with accommodating cavity 43, in accommodating cavity 43, be provided with spring 44, and opening chuck overlaps the through hole 45 that offers conducting screw channel and accommodating cavity 43 on 41, preferably, the aperture of accommodating cavity 43 is greater than the aperture of through hole 45, accommodating cavity 43 is formed with limiting stand 46 with the junction of through hole 45, accommodating cavity 43 can play guide effect to spring 44, and the two ends of spring 44 are connected to respectively on limiting stand 46 and end socket chuck cover 42, spring 44 can be limited in accommodating cavity 43, in the time that rivet pull head 3 is against on plug 2, self-plugging rivet can pass plug 2 successively, screw channel and through hole 45 also put in accommodating cavity 43, rivet mandrel extrusion spring 44, after rivet mandrel is extracted, rivet pull head 3 is against on plug 2 again, screw channel opens, now the elastic potential energy of spring 44 discharges and rivet mandrel can be ejected smoothly, preferably, in accommodating cavity 43, be also provided with back-up ring 47, back-up ring 47 is arranged between limiting stand 46 and spring 44, in the time that self-plugging rivet inserts accommodating cavity 43, self-plugging rivet can be against on back-up ring 47 and extrusion spring 44, and the split setting of opening chuck cover 41 and end socket chuck cover 42 is also convenient to the production and processing of chuck push rod 4 and assembling is installed.
The above is only preferred embodiment of the present utility model, and protection domain of the present utility model is also not only confined to above-described embodiment, and all technical schemes belonging under the utility model thinking all belong to protection domain of the present utility model.It should be pointed out that for those skilled in the art, in the some improvements and modifications that do not depart under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (7)
1. an electric blind-riveting tool gun rifle header structure, it is characterized in that: comprise rifle head shell, in described rifle head shell, hollow out is formed with cavity, in described cavity, be disposed with plug, rivet pull head, chuck push rod, pull bar cover and push-pull screw, described plug is fixedly connected on rifle head shell, on described rivet pull head and chuck push rod, be arranged with pull head cover, one end and the pull bar cover of pull head cover are connected, one end that described pull bar overlaps corresponding push-pull screw is provided with thread groove, one end of the corresponding pull bar cover of described push-pull screw is provided with the thread head of matching thread groove, described threaded rod cover and pull head cover can the in axial direction slippages in cavity of relative push-pull screw, the other end that described pull bar overlaps corresponding push-pull screw offers can be for the slideway of chuck push rod slippage, in slideway, be provided with elastic component, described rivet pull head comprises some claws, some claws form the rivet pull head that is frustum, described pull head cover comprises the movable chamber that is frustum, movable being arranged in movable chamber of rivet pull head of frustum, and the external diameter of the other end of the corresponding plug of rivet pull head is greater than the internal diameter in the movable chamber of taper, between described some claws, be formed with screw channel, described chuck push rod comprises the opening chuck cover and the end socket chuck cover that are threaded, between described opening chuck cover and end socket chuck cover, hollow out is formed with accommodating cavity, in accommodating cavity, be provided with spring, described opening chuck puts the through hole that offers conducting screw channel and accommodating cavity.
2. electric blind-riveting tool gun rifle header structure according to claim 1, it is characterized in that: the aperture of described accommodating cavity is greater than the aperture of through hole, the junction of accommodating cavity and through hole is formed with limiting stand, and the two ends of described spring are connected to respectively limiting stand and end socket chuck puts.
3. electric blind-riveting tool gun rifle header structure according to claim 1 and 2, is characterized in that: one end that described pull bar overlaps corresponding push-pull screw is provided with hex nut, the corresponding hexagonal slideway of being arranged to for hex nut axial slip of described cavity.
4. electric blind-riveting tool gun rifle header structure according to claim 3, is characterized in that: described rivet pull head comprises three claws, and one end of three corresponding plugs of claw can be opened and be connected on plug by pressurized.
5. electric blind-riveting tool gun rifle header structure according to claim 4, is characterized in that: on one end of the corresponding slideway of described chuck push rod, give prominence to and be provided with boss, described elastic component is set on boss.
6. electric blind-riveting tool gun rifle header structure according to claim 5, is characterized in that: on described push-pull screw, be arranged with bearing.
7. electric blind-riveting tool gun rifle header structure according to claim 6, is characterized in that: described rifle head shell comprises by two-piece housing and is threaded and forms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253397.0U CN203887142U (en) | 2014-05-17 | 2014-05-17 | Head structure of electric riveter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420253397.0U CN203887142U (en) | 2014-05-17 | 2014-05-17 | Head structure of electric riveter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203887142U true CN203887142U (en) | 2014-10-22 |
Family
ID=51713590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420253397.0U Expired - Fee Related CN203887142U (en) | 2014-05-17 | 2014-05-17 | Head structure of electric riveter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203887142U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108746456A (en) * | 2018-08-29 | 2018-11-06 | 姚永法 | A kind of fast-type hand riveter |
| CN109926539A (en) * | 2017-12-19 | 2019-06-25 | 永康市正丰机电有限公司 | A kind of Novel rivet rifle |
| CN110479941A (en) * | 2019-08-28 | 2019-11-22 | 汤业禧 | A kind of direct current drive hand riveter |
-
2014
- 2014-05-17 CN CN201420253397.0U patent/CN203887142U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109926539A (en) * | 2017-12-19 | 2019-06-25 | 永康市正丰机电有限公司 | A kind of Novel rivet rifle |
| CN108746456A (en) * | 2018-08-29 | 2018-11-06 | 姚永法 | A kind of fast-type hand riveter |
| CN110479941A (en) * | 2019-08-28 | 2019-11-22 | 汤业禧 | A kind of direct current drive hand riveter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141022 Termination date: 20160517 |
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| CF01 | Termination of patent right due to non-payment of annual fee |