CN219357818U - Special riveter for riveting large-foot threaded blind rivet - Google Patents
Special riveter for riveting large-foot threaded blind rivet Download PDFInfo
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- CN219357818U CN219357818U CN202320650229.4U CN202320650229U CN219357818U CN 219357818 U CN219357818 U CN 219357818U CN 202320650229 U CN202320650229 U CN 202320650229U CN 219357818 U CN219357818 U CN 219357818U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model relates to the technical field of riveting, in particular to a special riveter for riveting a large-foot threaded blind rivet, which comprises a shell, a fixed sleeve, a driving nut and a driving nut, wherein one end of the fixed sleeve is fixedly connected with the shell, and the other end of the fixed sleeve is provided with a counter bore for being matched with the driving nut; the screwing seat is arranged in the fixed sleeve in a sliding manner, and one end, close to the counter bore, of the screwing seat is provided with a screwing hole for screwing the core rod; the first elastic telescopic mechanism is arranged in the wrenching seat and is used for ejecting the core rod out of the wrenching hole; the second elastic telescopic mechanism and the power assembly are arranged in the shell, one end of the second elastic telescopic mechanism is in transmission connection with the wrenching seat, and the other end of the second elastic telescopic mechanism is in transmission connection with the power output end of the power assembly. The utility model has the advantages that the broken core rod and the driving nut on the core rod can be actively discharged out of the screwing hole through the first telescopic structure and the second telescopic structure.
Description
Technical Field
The utility model relates to the technical field of riveting, in particular to a special riveter for riveting a large-foot threaded blind rivet.
Background
The large-foot threaded self-plugging rivet is a high-strength rivet and is widely used in the aviation industry, and the large-foot threaded self-plugging rivet is provided with a core rod with threads and a driving nut, and the core rod is in threaded fit with the driving nut. When the large-footing threaded self-plugging rivet is installed, a riveter is used for fixing a driving nut, a core bar is rotated to enable the core bar to move relative to the driving nut, a screw rod is broken under design torque when riveting is completed, and the broken screw rod and the driving nut are removed together to complete riveting;
when the existing large-foot threaded blind rivet riveting gun is used for riveting, after the core rod is broken under the design torque after being twisted, the core rod and a driving nut on the core rod can not be smoothly withdrawn from the riveting gun and the next riveting is affected.
Disclosure of Invention
The utility model aims to overcome the defect that a core rod may be blocked in a screwing hole of a riveter during riveting of a threaded blind rivet in the prior art, and provides a special riveter for riveting a large-foot threaded blind rivet.
The aim of the utility model is achieved by the following technical scheme: the special riveting gun for riveting the large-foot threaded blind rivet comprises a shell, a fixed sleeve, a wrenching seat, a first elastic telescopic mechanism, a second elastic telescopic mechanism and a power assembly; one end of the fixed sleeve is connected with the shell, and the other end of the fixed sleeve is provided with a counter bore for locking the driving nut; the screwing seat is arranged in the fixed sleeve in a sliding manner, and a screwing hole for screwing the core rod is formed in one end, close to the counter bore, of the screwing seat; the first elastic telescopic mechanism is arranged in the wrenching seat and is used for ejecting the core rod out of the wrenching hole; the second elastic telescopic mechanism and the power assembly are both arranged in the shell, one end of the second elastic telescopic mechanism is in transmission connection with the wrenching seat, and the other end of the second elastic telescopic mechanism is in transmission connection with the power output end of the power assembly.
When the threaded self-plugging rivet is riveted, a core bar of the large-foot threaded self-plugging rivet is inserted into a screwing hole, so that the core bar compresses a first elastic telescopic mechanism, a driving nut of the threaded self-plugging rivet is inserted into a counter bore for locking, then the large-foot threaded self-plugging rivet is inserted into a hole to be riveted, a riveter is started, a power assembly drives a second elastic telescopic mechanism, the second elastic telescopic mechanism drives a screwing seat, the screwing seat rotates, the core bar is driven to rotate, the core bar rotates, and because the driving nut is locked, the core bar axially moves, the core bar drives the rivet to rivet until the torque acting on the core bar reaches the design torque, the core bar breaks, and the riveting is completed; in the process, the core rod moves axially to drive the screwing seat to move axially, so that the second elastic telescopic mechanism is compressed, the core rod moves axially smoothly, after riveting is finished, the second elastic telescopic mechanism is reset to eject the screwing seat, the broken core rod is ejected, meanwhile, the core rod can be blocked in the screwing hole, and the first elastic telescopic mechanism compressed by the core rod is assisted to eject the core rod out of the screwing hole due to the fact that the riveting is finished, so that the core rod is prevented from being blocked and inconvenient to take out.
Further, the structure of the first elastic telescopic mechanism adopted in the utility model is not limited solely, in some embodiments, the first elastic telescopic mechanism includes a push rod and a first elastic component, a hole bottom of a screwing hole on the screwing seat is provided with a containing cavity in a communicating manner, the first elastic component is arranged in the containing cavity, the push rod is slidably arranged in the screwing hole, one end of the push rod is provided with a limiting part, the limiting part is slidably arranged in the containing cavity, and the limiting part abuts against the first elastic component. The accommodating cavity is arranged at the bottom of the screwing hole, the limiting part is arranged on the ejector rod, so that the ejector rod can axially move in the screwing hole, and the first elastic part is arranged in the accommodating cavity, so that the ejector rod is elastically abutted, the first elastic telescopic mechanism is elastic, and the ejector rod is convenient to eject the core rod out of the screwing hole.
Further, the structure of the second elastic telescopic mechanism adopted in the utility model is not limited solely, and in some embodiments, the second elastic telescopic mechanism comprises a telescopic sleeve and a telescopic rod slidingly connected with the telescopic sleeve; the telescopic sleeve is internally provided with a second elastic component, one end of the second elastic component is abutted against the telescopic sleeve, and the other end of the second elastic component is abutted against the telescopic rod and provides elasticity for the telescopic rod; the telescopic sleeve and the telescopic rod sliding connection part are provided with a transmission mechanism for transmitting torque and limiting between the telescopic rod and the telescopic sleeve. In the riveting process, the torsion applied to the core rod by the screwing hole makes the core rod not easy to axially move with the screwing hole, but the core rod also needs to axially move during riveting, and the screwing seat can axially move in the fixed sleeve through the second elastic telescopic mechanism, so that friction is avoided from being generated between the core rod and the screwing hole due to the axial movement.
Further, the structure of the transmission mechanism adopted in the utility model is not limited solely, and in some embodiments, the transmission mechanism comprises a pin shaft arranged on the telescopic rod and a transmission hole arranged on the telescopic sleeve and matched with the pin shaft; the size of the transmission hole is larger than the diameter of the pin shaft, so that the telescopic rod has a telescopic sliding space in the telescopic sleeve. Through great transmission hole, can keep the flexible scope between telescopic link and the flexible cover.
In some embodiments, the transmission hole is provided with two side walls in the circumferential direction of the telescopic sleeve, and the two side walls are used for abutting the pin shaft when the telescopic sleeve rotates circumferentially to drive the telescopic rod to rotate circumferentially; the two side walls are in V shape, the narrower end of the side walls faces the telescopic rod, and the side walls are used for generating component force along the axial direction of the telescopic sleeve on the pin shaft when the telescopic sleeve rotates circumferentially. When the transmission hole side wall is pressed against the pin shaft during rotation of the telescopic sleeve, torque on the telescopic sleeve can be transmitted to the telescopic rod, and when the V-shaped side wall of the transmission hole is pressed against the pin shaft, the telescopic sleeve rotates positively or reversely, component force along the axial direction of the telescopic sleeve and deviating from the telescopic rod is generated on the pin shaft, and retraction of the telescopic rod is assisted.
In some embodiments, one end of the wrenching seat is provided with a first abutting portion a, one end of the telescopic rod is provided with a first abutting portion b corresponding to the first abutting portion a, and the first abutting portion a is matched and abutted with the first abutting portion b and used for transmitting torque.
In some embodiments, a first positioning portion is coaxially disposed at one end of the wrenching seat, a first positioning hole corresponding to the first positioning portion is coaxially disposed at one end of the telescopic rod, and the first positioning portion is inserted into the first positioning hole.
Further, the structure of the power assembly used in the present utility model is not limited solely, for example, in some embodiments, the power assembly may be powered by an electric motor, in other embodiments, the power assembly may be powered by an air motor, and the power assembly is optimized and one of the possible choices is given herein, and the power assembly includes an air motor disposed in the housing, a power output end of the air motor is in transmission connection with a planetary reducer, a power output end of the planetary reducer is in transmission connection with a connecting piece, and the connecting piece is in transmission connection with the telescopic sleeve for driving the telescopic sleeve to rotate; the pneumatic motor is provided with an air pipe in a communicating mode, the air pipe is externally connected with an air source, and an air switch is arranged on the air pipe. The riveting amount is large during production, the pneumatic motor can be used at full load for a long time, the service life is long, and air sources are arranged at all parts of a workshop, so that the pneumatic motor is suitable for being used during riveting.
In some embodiments, one end of the telescopic sleeve is provided with a second abutting portion a, one end of the connecting piece is provided with a second abutting portion b corresponding to the second abutting portion a, and the second abutting portion a is matched and abutted with the second abutting portion b and used for transmitting torque.
In some embodiments, a second positioning portion is coaxially disposed at one end of the telescopic sleeve, a second positioning hole corresponding to the second positioning portion is coaxially disposed at one end of the connecting piece, and the second positioning portion is inserted into the second positioning hole.
The utility model has the following advantages:
during riveting, the core rod firstly compresses the first telescopic mechanism, the core rod rotates in the riveting process, when the driving nut is fixed by the fixing sleeve, the core rod axially moves to compress the second telescopic mechanism, when the riveting is completed, the core rod is broken, the riveting gun is moved away from the riveting position, the broken core rod loses support, the core rod and the driving nut are ejected out of the fixing sleeve by the second telescopic mechanism, and meanwhile, the core rod is ejected out of the screwing hole by the first telescopic mechanism, so that the core rod is prevented from being blocked in the screwing hole.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the present utility model;
FIG. 3 is an exploded view of the internal structure of the present utility model;
FIG. 4 is a schematic structural view of a threaded blind rivet;
in the figure: 1. a housing; 11. a first housing; 12. a second housing; 13. a third housing; 2. a fixed sleeve; 21. countersink; 3. a first elastic telescopic mechanism; 30. pulling and twisting a seat; 301. pulling and twisting the sleeve; 302. a wrenching sleeve base; 3021. a first abutting part a; 3022. a first positioning portion; 303. a receiving chamber; 304. pulling the hole; 31. a push rod; 311. a limit part; 32. a first elastic member; 4. a second elastic telescopic mechanism; 41. a telescopic rod; 411. a first butt joint part b; 412. a pin shaft; 413. a first positioning hole; 42. a telescopic sleeve; 421. a transmission hole; 422. a second butt joint part a; 423. a second positioning portion; 43. a second elastic member; 51. a connecting piece; 511. a second butt joint part b; 512. a second positioning hole; 52. a planetary reducer; 53. a pneumatic motor; 54. an air switch; 55. an air pipe; 6. a drive nut; 7. and (5) a core bar.
Detailed Description
For the purpose of making the technical solution and advantages of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings and examples. It should be understood that the particular embodiments described herein are illustrative only and are not intended to limit the utility model, i.e., the embodiments described are merely some, but not all, of the embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
It is noted that relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.
As shown in fig. 1-3, the special riveting gun for riveting large-foot threaded blind rivets comprises a shell 1, a fixed sleeve 2, a wrenching seat 30, a first elastic telescopic mechanism 3, a second elastic telescopic mechanism 4 and a power assembly; one end of the fixed sleeve 2 is connected with the shell 1, and the other end of the fixed sleeve is provided with a counter bore 21 for locking the driving nut 6; the screwing seat 30 is slidably arranged in the fixed sleeve 2, and a screwing hole 304 for screwing the core rod 7 is formed in one end, close to the inner hexagonal counter bore 21, of the screwing seat 30; the first elastic telescopic mechanism 3 is arranged in the wrenching seat 30 and is used for ejecting the core rod 7 out of the wrenching hole 304; the second elastic telescopic mechanism 4 and the power component are both arranged in the shell 1, one end of the second elastic telescopic mechanism 4 is in transmission connection with the wrenching seat 30, and the other end of the second elastic telescopic mechanism is in transmission connection with the power output end of the power component.
In the present embodiment, for ease of assembly, the housing 1 includes a first housing 11, a second housing 12, and a third housing 13 which are sequentially screwed, and the fixing sleeve 2 is screwed with the first housing 11; the screwing seat 30 comprises a screwing sleeve 301 and a screwing sleeve base 302, the screwing sleeve 301 is connected with the screwing sleeve base 302 through threads, a screwing hole 304 is formed in the screwing sleeve 301, and the mounting torque of the threaded connection between the screwing sleeve 301 and the screwing sleeve base 302 is far greater than the torque applied to the core rod 7 by the screwing hole 304 during riveting, so that the screwing seat 30 cannot be loosened under the condition of forward and reverse riveting.
Fig. 4 is a schematic structural view of a large foot threaded blind rivet. When the riveter is used, the core bar 7 is inserted into the wrenching hole 304, meanwhile, the driving nut 6 is inserted into the counter bore 21 on the fixed sleeve 2 to be locked, the core bar 7 compresses the first elastic telescopic mechanism 3, then the rivet is placed at the position to be riveted, riveting is started, in the riveting process, the wrenching hole 304 applies torque to the core bar 7 to enable the core bar 7 to rotate, after the core bar 7 rotates, the driving nut 6 is fixed due to threaded connection between the core bar 7 and the driving nut 6, the core bar 7 moves axially, and due to the fact that the torque between the core bar 7 and the wrenching hole 304 is larger, relative sliding is difficult to occur, the core bar 7 drives the whole wrenching seat 30 to move axially in the fixed sleeve 2, and the second elastic telescopic mechanism 4 compresses. Until the core rod 7 reaches the designed breaking torque, the core rod 7 breaks, the driving nut 6 positioned on the broken core rod 7 and the core rod 7 are separated from the riveting position together to complete riveting, at the moment, the riveter is removed, at the moment, the core rod 7 loses support, the second elastic telescopic mechanism 4 is reset, the wrenching seat 30 is reset, the driving nut 6 is ejected from the counter bore 21 through the core rod 7, meanwhile, the first elastic telescopic component is reset, the core rod 7 is ejected out of the wrenching hole 304 due to the fact that the core rod 7 loses support, the core rod 7 and the driving nut 6 are separated from the riveter, next riveting can be performed, and the clamping stagnation of the core rod 7 in the wrenching hole 304 can be avoided through the first elastic telescopic mechanism 3 and the second elastic telescopic mechanism 4.
In this embodiment, the first elastic telescopic mechanism 3 includes a push rod 31 and a first elastic component 32, a hole bottom of a screwing hole 304 on the screwing seat 30 is provided with a containing cavity 303 in a communicating manner, the first elastic component 32 is disposed in the containing cavity 303, the push rod 31 is slidably disposed in the screwing hole 304, one end of the push rod 31 is provided with a limiting portion 311, the limiting portion 311 is slidably disposed in the containing cavity 303, and the limiting portion 311 abuts against the first elastic component 32. The accommodating cavity 303 is a columnar space which is coaxial with and communicated with the screwing hole 304, and the diameter of the accommodating cavity 303 is larger than that of the screwing hole 304; the diameter of the limiting part 311 is larger than that of the screwing hole 304, so that the ejector rod 31 is limited in the screwing hole 304, the first elastic part 32 is a spring, and the first elastic part 32 abuts against the limiting part 311 to provide elasticity for the ejector rod 31. In other embodiments, the first resilient member 32 may also be a leaf spring, resilient rubber, or the like.
In this embodiment, the second elastic telescopic mechanism 4 includes a telescopic sleeve 42 and a telescopic rod 41 slidably connected to the telescopic sleeve 42; a second elastic member 43 is disposed in the telescopic sleeve 42, one end of the second elastic member abuts against the telescopic sleeve 42, and the other end abuts against the telescopic rod 41 and provides elastic force for the telescopic rod 41; the sliding connection part of the telescopic sleeve 42 and the telescopic rod 41 is provided with a transmission mechanism for transmitting torque and limiting between the telescopic rod 41 and the telescopic sleeve 42. In this embodiment, one end of the telescopic sleeve 42 is closed, one end of the second elastic member 43 abuts against one closed end of the telescopic sleeve 40, the other end of the second elastic member 43 abuts against the telescopic rod 41, and provides elastic force for the telescopic rod 41, the second elastic member 43 is a spring, and in other embodiments, the second elastic member 43 may be a plate spring, an elastic rubber, or the like.
Preferably, the transmission mechanism comprises a pin 412 arranged on the telescopic rod 41 and a transmission hole 421 arranged on the telescopic sleeve 42 and matched with the pin 412; the size of the transmission hole 421 is larger than the diameter of the pin 412, so that the telescopic rod 41 has a telescopic sliding space in the telescopic sleeve 42.
Preferably, the transmission hole 421 has two sidewalls in the circumferential direction of the telescopic sleeve 42, and is configured to abut against the pin 412 when the telescopic sleeve 42 rotates circumferentially, so as to drive the telescopic rod 41 to rotate circumferentially; the two side walls are V-shaped with the narrower end facing the telescopic rod, for generating a force component to the pin 412 along the axial direction of the telescopic sleeve 42 when the telescopic sleeve 42 rotates circumferentially. In other embodiments, the driving hole 421 may be a generally oblong hole disposed along the length of the telescoping sleeve 42. In this embodiment, when the telescopic sleeve 42 rotates, torque can be transmitted to the telescopic rod 41 through the cooperation of the pin 412 and the transmission hole 421. During riveting, the core rod 7 moves axially while rotating, so that the second telescopic mechanism compresses, that is, the telescopic sleeve 42 and the telescopic rod 41 synchronously rotate to transmit torque, the telescopic rod 41 contracts inwards to the telescopic sleeve 42, and torque transmission is achieved by pressing the pin shaft 412 against the side wall of the transmission hole 421. The abutting surface of the transmission hole 421 and the pin shaft 412 is set to be V-shaped, one end of the transmission hole 421 close to the telescopic rod 41 is narrower, one end far away from the telescopic rod 41 is wider, when the side wall of the transmission hole 421 abuts against the pin shaft 412, the side wall of the transmission hole 421 can give the pin shaft 412 an axial component force along the telescopic sleeve 42, and the axial component force can assist the telescopic rod 41 to retract into the telescopic sleeve 42. When the torque is large, excessive friction force generated by excessive pressure between the side wall of the transmission hole 421 and the pin shaft 412 is avoided, and self-locking clamping stagnation is generated between the telescopic sleeve 42 and the telescopic rod 41.
In this embodiment, a first abutting portion a3021 is disposed at one end of the screwing seat 30, a first abutting portion b411 is disposed at one end of the telescopic rod 41 corresponding to the first abutting portion a3021, and the first abutting portion a3021 is abutted to the first abutting portion b411 in a matching manner and is used for transmitting torque.
Preferably, the first abutting portion a3021 is a plate axially disposed at one end of the wrench socket base 302, and the corresponding first abutting portion b411 is a groove disposed on the telescopic rod 41, and the first abutting portion a3021 is inserted into the first abutting portion b 411. The telescopic rod 41 can drive the wrenching seat 30 to rotate by the cooperation of the first abutting portion a3021 and the first abutting portion b 411. In other embodiments, the first mating portion a3021 may also be any boss or recess that is not coaxial with the wrench socket base 302, and the first mating portion b411 may also be any recess or boss that mates with the first mating portion a 3021.
In this embodiment, a first positioning portion 3022 is coaxially disposed at one end of the screwing seat 30, a first positioning hole 413 corresponding to the first positioning portion 3022 is coaxially disposed at one end of the telescopic rod 41, and the first positioning portion 3022 is inserted into the first positioning hole 413.
Preferably, the first positioning portion 3022 is disposed on the first abutting portion a3021, the first positioning portion 3022 is coaxial with the screwing seat 30, the first positioning hole 413 is disposed in the first abutting portion b411, the first positioning hole 413 is coaxial with the telescopic rod 41, and the first positioning portion 3022 is inserted into the first positioning hole 413. In the process that the telescopic rod 41 drives the screwing seat 30 to rotate, the first positioning hole 413 and the first positioning part 3022 cooperate to keep the telescopic rod 41 coaxial with the screwing seat 30.
In this embodiment, the power assembly includes a pneumatic motor 53 disposed in the housing 1, a power output end of the pneumatic motor 53 is in transmission connection with a planetary reducer 52, a power output end of the planetary reducer 52 is in transmission connection with a connecting piece 51, and the connecting piece 51 is in transmission connection with the telescopic sleeve 42 to drive the telescopic sleeve 42 to rotate; the air motor 53 is provided with an air pipe 55 in a communicating manner, the air pipe 55 is externally connected with an air source, and the air pipe 55 is provided with an air switch 54. The connecting piece 51 is in spline transmission connection with the planetary reducer 52. The air motor 53 is fixedly provided in the third housing 13. The pneumatic motor 53 powers the second elastic telescopic mechanism 4 through the planetary reducer 52 and the connection 51. The air motor 53, air tube 55 and air switch 54 in this embodiment may also be replaced with an electric motor, wires and switches in other embodiments.
In this embodiment, a second abutting portion a422 is disposed at one end of the telescopic sleeve 42, a second abutting portion b511 is disposed at one end of the connecting member 51 corresponding to the second abutting portion a422, and the second abutting portion a422 is abutted with the second abutting portion b511 in a matching manner and is used for transmitting torque.
Preferably, the second abutting portion a422 is a plate axially disposed at one end of the telescopic sleeve 42, and the second abutting portion b511 is a groove disposed on the connecting member 51, and the second abutting portion a422 is inserted into the second abutting portion b 511. The connecting piece 51 can drive the telescopic sleeve 42 to rotate through the matching butt joint of the second butt joint part a422 and the second butt joint part b511, and torque is transmitted. In other embodiments, the second abutting portion a422 may be any boss or recess not coaxial with the telescopic sleeve 42, and the second abutting portion b511 may be any recess or boss matching the second abutting portion a 422.
In this embodiment, a second positioning portion 423 is coaxially disposed at one end of the telescopic sleeve 42, a second positioning hole 512 corresponding to the second positioning portion 423 is coaxially disposed at one end of the connecting member 51, and the second positioning portion 423 is inserted into the second positioning hole 512.
Preferably, the second positioning portion 423 is disposed on the second abutting portion a422, the second positioning portion 423 is coaxial with the telescopic sleeve 42, the second positioning hole 512 is disposed in the second abutting portion b511, the second positioning hole 512 is coaxial with the connecting member 51, and the second positioning portion 423 is inserted into the second positioning hole 512. During the process that the connecting piece 51 drives the telescopic sleeve 42 to rotate, the second positioning hole 512 and the second positioning part 423 cooperate to keep the connecting piece 51 coaxial with the telescopic sleeve 42.
The above description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way. Many possible variations and modifications of the disclosed technology can be made by anyone skilled in the art, or equivalent embodiments with equivalent variations can be made, without departing from the scope of the disclosed technology. Therefore, any modification, equivalent variation and modification of the above embodiments according to the technology of the present utility model fall within the protection scope of the present utility model.
Claims (10)
1. The utility model provides a special riveter of big footing screw thread self-plugging rivet riveting, includes casing (1), its characterized in that still includes:
the fixing sleeve (2), one end of the fixing sleeve (2) is connected with the shell (1), and the other end of the fixing sleeve is provided with a counter bore (21) for locking the driving nut (6);
the screwing seat (30) is arranged in the fixed sleeve (2) in a sliding manner, and a screwing hole (304) for screwing the core rod (7) is formed in one end, close to the counter bore (21), of the screwing seat (30);
the first elastic telescopic mechanism (3) is arranged in the wrenching seat (30) and is used for ejecting the core rod (7) out of the wrenching hole (304);
the device comprises a shell (1), a second elastic telescopic mechanism (4) and a power assembly, wherein the second elastic telescopic mechanism (4) and the power assembly are arranged in the shell (1), one end of the second elastic telescopic mechanism (4) is in transmission connection with a screwing seat (30), and the other end of the second elastic telescopic mechanism is in transmission connection with a power output end of the power assembly.
2. The special riveter of big footing screw thread blind rivet riveting according to claim 1, characterized in that, first elasticity telescopic machanism (3) include ejector pin (31) and first elastomeric element (32), the hole bottom intercommunication of pulling on pulling seat (30) and twisting hole (304) is provided with holds chamber (303), first elastomeric element (32) set up in hold chamber (303), ejector pin (31) slide set up in pulling hole (304), ejector pin (31) one end is provided with spacing portion (311), spacing portion (311) slide set up in hold chamber (303), spacing portion (311) butt first elastomeric element (32).
3. The special riveter for riveting large-foot threaded blind rivets according to claim 1, characterized in that the second elastic telescopic mechanism (4) comprises a telescopic sleeve (42) and a telescopic rod (41) which is in sliding connection with the telescopic sleeve (42); a second elastic component (43) is arranged in the telescopic sleeve (42), one end of the second elastic component is abutted against the telescopic sleeve (42), and the other end of the second elastic component is abutted against the telescopic rod (41) and provides elasticity for the telescopic rod (41); the sliding connection part of the telescopic sleeve (42) and the telescopic rod (41) is provided with a transmission mechanism for transmitting torque and limiting between the telescopic rod (41) and the telescopic sleeve (42).
4. A special riveter for riveting large-foot threaded blind rivets according to claim 3, characterized in that the transmission mechanism comprises a pin shaft (412) arranged on the telescopic rod (41) and a transmission hole (421) arranged on the telescopic sleeve (42) and matched with the pin shaft (412); the size of the transmission hole (421) is larger than the diameter of the pin shaft (412), so that the telescopic rod (41) has a telescopic sliding space in the telescopic sleeve (42).
5. The special riveter for riveting large-foot threaded blind rivets according to claim 4, characterized in that the transmission hole (421) is provided with two side walls in the circumferential direction of the telescopic sleeve (42) and is used for abutting the pin shaft (412) to drive the telescopic rod (41) to rotate circumferentially when the telescopic sleeve (42) rotates circumferentially; the two side walls are V-shaped, and the narrower ends of the side walls face the telescopic rods and are used for generating component force along the axial direction of the telescopic sleeve (42) on the pin shafts (412) when the telescopic sleeve (42) rotates circumferentially.
6. A special riveter for riveting a large-foot threaded blind rivet according to claim 3, characterized in that a first butt joint part a (3021) is arranged at one end of the wrenching seat (30), a first butt joint part b (411) is arranged at one end of the telescopic rod (41) corresponding to the first butt joint part a (3021), and the first butt joint part a (3021) is in matched butt joint with the first butt joint part b (411) and is used for transmitting torque.
7. A special riveter for riveting a large-foot threaded blind rivet according to claim 3, characterized in that a first positioning part (3022) is coaxially arranged at one end of the wrenching seat (30), a first positioning hole (413) corresponding to the first positioning part (3022) is coaxially arranged at one end of the telescopic rod (41), and the first positioning part (3022) is inserted into the first positioning hole (413).
8. A special riveter for riveting large-foot threaded blind rivets according to claim 3, characterized in that the power assembly comprises a pneumatic motor (53) arranged in the shell (1), the power output end of the pneumatic motor (53) is in transmission connection with a planetary reducer (52), the power output end of the planetary reducer (52) is in transmission connection with a connecting piece (51), and the connecting piece (51) is in transmission connection with the telescopic sleeve (42) and is used for driving the telescopic sleeve (42) to rotate; the pneumatic motor (53) is communicated with an air pipe (55), the air pipe (55) is externally connected with an air source, and the air pipe (55) is provided with an air switch (54).
9. The special riveter for riveting large-foot threaded blind rivets according to claim 8, characterized in that a second butting part a (422) is arranged at one end of the telescopic sleeve (42), a second butting part b (511) is arranged at one end of the connecting piece (51) corresponding to the second butting part a (422), and the second butting part a (422) is matched and butted with the second butting part b (511) and used for transmitting torque.
10. The special riveter for riveting large-foot threaded blind rivets according to claim 8, characterized in that a second positioning portion (423) is coaxially arranged at one end of the telescopic sleeve (42), a second positioning hole (512) corresponding to the second positioning portion (423) is coaxially arranged at one end of the connecting piece (51), and the second positioning portion (423) is inserted into the second positioning hole (512).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320650229.4U CN219357818U (en) | 2023-03-28 | 2023-03-28 | Special riveter for riveting large-foot threaded blind rivet |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202320650229.4U CN219357818U (en) | 2023-03-28 | 2023-03-28 | Special riveter for riveting large-foot threaded blind rivet |
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| CN219357818U true CN219357818U (en) | 2023-07-18 |
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| CN202320650229.4U Active CN219357818U (en) | 2023-03-28 | 2023-03-28 | Special riveter for riveting large-foot threaded blind rivet |
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