CN112845899A - Novel mounting sleeve for countersunk head bolt and press riveting method thereof - Google Patents
Novel mounting sleeve for countersunk head bolt and press riveting method thereof Download PDFInfo
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- CN112845899A CN112845899A CN202110014401.2A CN202110014401A CN112845899A CN 112845899 A CN112845899 A CN 112845899A CN 202110014401 A CN202110014401 A CN 202110014401A CN 112845899 A CN112845899 A CN 112845899A
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- screw rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
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Abstract
The invention discloses a novel mounting sleeve for a countersunk head bolt, which comprises a first stressing rod and a press riveting rod, wherein the middle part of the bottom end of the press riveting rod is fixedly connected with a screw rod, the bottom end of the press riveting rod is provided with a positioning block, and the bottom of the positioning block is fixedly connected with a second stressing rod in a penetrating way. A press riveting method of a novel mounting sleeve for a countersunk head bolt comprises the following steps: fixing a lining, positioning a screw rod and riveting by pressing. According to the novel mounting sleeve for the countersunk head bolt and the press riveting method thereof, an original pressurizing device is adjusted to generate axial pressure through screwing, press riveting is completed without pressurizing equipment, operation is simple and convenient during field assembly, a new thought of press riveting is provided, and press riveting efficiency is improved.
Description
Technical Field
The invention relates to the technical field of pressure riveting, in particular to a novel mounting sleeve for a countersunk head bolt and a pressure riveting method thereof.
Background
In the aviation manufacturing industry, in order to make bush and countersunk head bolt cooperate the use, the bush need be riveted alone, the use of follow-up supporting bolt of being convenient for, current pressure riveting scheme needs realize the pressure riveting through pressure device, adopts the whole circle annular pressure riveting head that matches with the V-arrangement groove, extrudees the material in the V-arrangement groove outside, makes V-arrangement groove appearance turn-ups to the seat circle, at this in-process, the pressure riveting head downward motion all the time, makes the pressure riveting power great like this, be not convenient for on-the-spot assembly, it is great to implement the degree of difficulty, inefficiency. Therefore, a novel mounting sleeve for a countersunk head bolt and a press riveting method thereof are provided.
Disclosure of Invention
The invention aims to provide a novel mounting sleeve for a countersunk head bolt and a press riveting method thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a countersunk head bolt is with novel installation cover, includes first application of force pole and pressure riveting pole, first application of force pole runs through fixed connection and is being pressed riveting pole upside, press riveting pole bottom middle part fixedly connected with screw rod, the pressure riveting pole is provided with the back taper with the screw rod junction, the pressure riveting pole bottom is provided with the locating piece, locating piece upper end middle part is provided with the location axle, the locating piece middle part is provided with the screw hole, screw rod threaded connection is in the threaded hole, the locating piece bottom runs through fixedly connected with second application of force pole.
A press riveting method of a novel mounting sleeve for a countersunk head bolt comprises the following steps:
the method comprises the following steps: and (3) fixing the bushing: the bushing needing to be riveted is placed on the positioning shaft at the upper end of the positioning block, so that the positioning shaft can completely pass through the through hole of the bushing, and the bushing can be horizontally placed on the positioning block;
step two: positioning a screw: a screw rod at the bottom end of a riveting rod) is aligned with a through hole in the middle of the bushing and a threaded hole in the positioning block, the positioning block is fixed, the screw rod is rotated by using a first stressing rod so that the screw rod rotates relative to the positioning block, and the screw rod is preliminarily in threaded connection with the threaded hole;
step three: and (4) riveting: rotate first atress pole for the pressure riveting pole drives the screw rod and rotates, in advancing the screw rod rotation threaded hole, usable second atress pole simultaneously, rotatory locating piece makes the direction of rotation of locating piece opposite with the direction of rotation of screw rod, thereby accelerate the speed that the screw rod got into the threaded hole, make the conical surface contact to the through-hole inner wall of bush of pressure riveting pole bottom, make the through-hole inner wall of bush take place to deform, be "V" shape on the gasket until the through-hole inner wall riveting of bush.
Preferably, the anti-skid sleeves are sleeved at two ends of the first stressing rod.
Preferably, the bottom end of the screw is provided with a guide rod, the guide rod is in a shape of an inverted cone column, and the maximum radius of the guide rod is smaller than that of the screw.
Preferably, the bottom end of the threaded hole is provided with a spring, the upper end of the spring is connected with a buffer plate, and the buffer plate is connected in the threaded hole in a sliding mode.
Preferably, when the first force applying rod is rotated in the third step, the coaxiality of the two conical surfaces of the positioning block and the bottom end of the squeeze riveting rod after the reverse conical surfaces are screwed is ensured.
Compared with the prior art, the invention has the beneficial effects that: this kind of countersunk head bolt is with novel installation cover and pressure riveting method makes the pressure riveting pole downstream through rotatory first forcing rod to utilize the material in the back taper face extrusion bush outside, realize the turn-ups, adjust original pressure device and twist to produce axial pressure through the screw thread and accomplish the pressure riveting, need not compression equipment, easy operation during on-the-spot assembly, it is convenient, require lowerly to the installation environment, the pressure riveting process can be accomplished to manual, current pressure riveting device and pressure riveting method have been innovated, the new thinking of pressure riveting is provided, the pressure riveting efficiency has been improved.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
FIG. 2 is a schematic view of the step structure of the present invention.
In the figure: the device comprises a first stressing rod 1, a pressure riveting rod 2, an inverted conical surface 3, a screw rod 4, a guide rod 5, a positioning block 6, a threaded hole 7, a buffer plate 8, a spring 9, a second stressing rod 10, an anti-skidding sleeve 11 and a positioning shaft 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a novel mounting sleeve for a countersunk head bolt comprises a first stress application rod 1 and a rivet pressing rod 2, wherein the first stress application rod 1 is fixedly connected to the upper side of the rivet pressing rod 2 in a penetrating manner, and when the first stress application rod 1 is rotated, the rivet pressing rod 2 can be driven to rotate along with the first stress application rod;
the middle part of the bottom end of the squeeze riveting rod 2 is fixedly connected with a screw rod 4, the joint of the squeeze riveting rod 2 and the screw rod 4 is provided with an inverted conical surface 3, the bottom end of the squeeze riveting rod 2 is provided with a positioning block 6, the middle part of the upper end of the positioning block 6 is provided with a positioning shaft 12, when the bushing is squeezed, firstly, the bushing is placed on the positioning shaft 12, the bushing is fixed, and the bushing is kept horizontal;
the middle part of the positioning block 6 is provided with a threaded hole 7, the screw rod 4 is in threaded connection with the threaded hole 7, after the bushing is placed, the screw rod 4 at the bottom end of the riveting rod 2 is screwed into the threaded hole 7, the first stressing rod 1 is utilized to rotate the riveting rod 2, so that the screw rod 4 is driven to rotate, the inverted conical surface at the bottom end of the riveting rod 2 is in contact with the outer wall of the bushing, and pressurization is carried out until the outer wall is flanged on a seat ring;
fixedly connected with second application of force pole 10 runs through bottom 6 locating pieces, and the position of locating piece 6 can be fixed, then rotates first application of force pole 1, when also can rotate first application of force pole 1, utilizes second application of force pole 10 to rotate locating piece 6 for the direction of rotation of locating piece 6 is opposite with the direction of rotation of screw rod 4, accelerates the speed in screw rod 4 precession screw hole 7, raises the efficiency.
A press riveting method of a novel mounting sleeve for a countersunk head bolt comprises the following steps:
the method comprises the following steps: and (3) fixing the bushing: the bushing to be riveted is placed on the positioning shaft 12 at the upper end of the positioning block 6, so that the positioning shaft 12 can completely pass through the through hole of the bushing, the bushing can be horizontally placed on the positioning block 6, the diameter of the through hole of the bushing is matched with the diameter of the positioning shaft 12, the positioning shaft 12 can pass through the through hole of the bushing, and the bushing is fixed on the positioning block 6;
step two: positioning a screw: aligning a screw rod 4 at the bottom end of a squeeze riveting rod 2 to a through hole in the middle of a bushing and a threaded hole 7 in a positioning block 6, fixing the positioning block 6, rotating the screw rod 4 by using a first stressing rod 1 to enable the screw rod 4 to rotate relative to the positioning block 6, and connecting the screw rod 4 into the threaded hole 7 preliminarily in a threaded manner, wherein during positioning, radial circular runout of each conical surface in the threaded hole 7 of the positioning block 6 and the screw rod 4 at the bottom end of the squeeze riveting rod 2 relative to each thread is controlled to prevent the threads from deviating in the screwing process;
step three: and (4) riveting: rotate first stiffener 1, make squeeze riveting pole 2 drive screw rod 4 and rotate, with the rotatory screw hole 7 that advances of screw rod 4, usable second stiffener 10 simultaneously, rotatory locating piece 6, make the direction of rotation of locating piece 6 opposite with the direction of rotation of screw rod 4, thereby accelerate the speed that screw rod 4 gets into in screw hole 7, make the conical surface contact to the through-hole inner wall of bush of squeeze riveting pole 2 bottom, make the through-hole inner wall of bush take place to deform, be "V" shape on the gasket until the through-hole inner wall riveting of bush, when rotating first stiffener 1, reverse rotation second stiffener 10, make screw rod 4 and locating piece 6 reverse rotation simultaneously, make screw rod 4 revolve into screw hole 7, and guarantee that back taper 3 extrudees the material in the bush outside, make the material in the bush outside turn-ups to the seat circle, form the V-shaped groove, pressure riveting is accomplished.
Furthermore, anti-slip sleeves 11 are sleeved at two ends of the first stress application rod 1, and the anti-slip sleeves 11 can increase the friction force between the skin and the surface of the first stress application rod 1 to prevent slipping.
Further, 4 bottoms of screw rod are provided with guide bar 5, and guide bar 5 is the back taper cylindricality, and the biggest radius of guide bar 5 is less than the radius of screw rod 4, and guide bar 5 can make screw rod 4 more smooth in carrying out screw hole 7, and usable guide bar 5 fixed screw rod 4 moreover to rotatory screw rod 4 is fixed a position, prevents that screw rod 4 from taking place the skew.
Further, 7 bottoms of screw hole are provided with spring 9, and the spring 9 upper ends are connected with buffer board 8, and 8 sliding connection of buffer board are in screw hole 7, prevent that screw rod 4 from excessively precessing in screw hole 7, cause the damage to pressure riveting pole 2, and when 4 bottoms of screw rod contacted buffer board 8, spring 9 can cushion the collision.
Furthermore, when the first force applying rod 1 is rotated in the third step, the coaxiality of the two conical surfaces after the positioning block 6 and the inverted conical surface 3 at the bottom end of the squeeze riveting rod 2 are screwed is ensured, and the screw rod 4 is prevented from deviating in the threaded hole 7 in the rotating process of the screw rod 4.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a countersunk head bolt is with novel installation cover, includes first atress pole (1) and pressure riveting pole (2), its characterized in that: first power application pole (1) runs through fixed connection and is in pressure riveting pole (2) upside, pressure riveting pole (2) bottom middle part fixedly connected with screw rod (4), pressure riveting pole (2) are provided with back taper (3) with screw rod (4) junction, pressure riveting pole (2) bottom is provided with locating piece (6), locating piece (6) upper end middle part is provided with location axle (12), locating piece (6) middle part is provided with screw hole (7), screw rod (4) threaded connection is in screw hole (7), fixedly connected with second power application pole (10) runs through bottom locating piece (6).
2. The utility model provides a method is riveted with pressure of novel installation cover to countersunk head bolt which characterized in that: the method comprises the following steps:
the method comprises the following steps: and (3) fixing the bushing: the method comprises the following steps that a bushing needing to be riveted in a pressing mode is placed on a positioning shaft (12) at the upper end of a positioning block (6), so that the positioning shaft (12) can completely pass through a through hole of the bushing, and the bushing can be horizontally placed on the positioning block (6);
step two: positioning a screw: aligning a screw rod 4 at the bottom end of a riveting rod (2) to a through hole in the middle of a bushing and a threaded hole (7) in a positioning block (6), fixing the positioning block (6), and rotating the screw rod (4) by using a first stressing rod (1) so that the screw rod (4) rotates relative to the positioning block (6) and the screw rod (4) is preliminarily in threaded connection into the threaded hole (7);
step three: and (4) riveting: rotate first atress pole (1), make squeeze riveting pole (2) drive screw rod (4) and rotate, in advancing screw rod (4) rotation screw hole (7), usable second atress pole (10) simultaneously, rotatory locating piece (6), make the direction of rotation of locating piece (6) opposite with the direction of rotation of screw rod (4), thereby accelerate the speed that screw rod (4) got into in screw hole (7), make the circular conical surface contact to the through-hole inner wall of bush of squeeze riveting pole (2) bottom, make the through-hole inner wall of bush take place deformation, the through-hole inner wall riveting of bush is "V" shape on the gasket up.
3. The novel mounting sleeve for the countersunk head bolt as claimed in claim 1, characterized in that: and anti-skidding sleeves (11) are sleeved at two ends of the first stressing rod (1).
4. The novel mounting sleeve for the countersunk head bolt as claimed in claim 1, characterized in that: the screw rod (4) bottom is provided with guide bar (5), guide bar (5) are the back taper cylindricality, the biggest radius of guide bar (5) is less than the radius of screw rod (4).
5. The novel mounting sleeve for the countersunk head bolt and the press riveting method thereof according to claim 1 are characterized in that: the utility model discloses a safety belt conveyor, including screw hole (7), screw hole (7) bottom is provided with spring (9), spring (9) upper end is connected with buffer board (8), buffer board (8) sliding connection is in screw hole (7).
6. The press riveting method of the novel mounting sleeve for the countersunk head bolt according to claim 2, characterized in that: and step three, when the first stressing rod (1) is rotated, the coaxiality of the two conical surfaces after the positioning block (6) and the inverted conical surface (3) at the bottom end of the pressure riveting rod (2) are screwed is ensured.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014401.2A CN112845899A (en) | 2021-01-06 | 2021-01-06 | Novel mounting sleeve for countersunk head bolt and press riveting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110014401.2A CN112845899A (en) | 2021-01-06 | 2021-01-06 | Novel mounting sleeve for countersunk head bolt and press riveting method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112845899A true CN112845899A (en) | 2021-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110014401.2A Pending CN112845899A (en) | 2021-01-06 | 2021-01-06 | Novel mounting sleeve for countersunk head bolt and press riveting method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112845899A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1307740A (en) * | 1970-10-21 | 1973-02-21 | Plessey Co Ltd | Electrically insulating mounting for an electrically conductive member |
| CN101173692A (en) * | 2007-09-19 | 2008-05-07 | 中国南车集团眉山车辆厂 | Spinning ring-grooved rivet, spinning riveting machine and riveting method |
| US20160158925A1 (en) * | 2014-12-09 | 2016-06-09 | Lawrence M. Robb, JR. | Spherical bearing tool kit |
| CN207044078U (en) * | 2017-07-17 | 2018-02-27 | 中国商用飞机有限责任公司 | Load-bearing quick-release fastener upper lock body erecting device |
| CN207709772U (en) * | 2017-12-18 | 2018-08-10 | 中国航发贵州黎阳航空动力有限公司 | A kind of interference riveting for complex precise part, flaring tool |
| CN209272377U (en) * | 2018-12-04 | 2019-08-20 | 盐城大有迪安希汽车部件有限公司 | A kind of positioning tool that presses of frame of handwheel |
| CN111015169A (en) * | 2019-12-13 | 2020-04-17 | 中国航空工业集团公司西安飞机设计研究所 | Crimping tool for bushing flanging |
| CN111196379A (en) * | 2019-12-13 | 2020-05-26 | 中国航空工业集团公司西安飞机设计研究所 | Screw connection tool for flanging of bushing |
| CN211305575U (en) * | 2019-12-02 | 2020-08-21 | 成立航空技术有限公司 | Workpiece pressing device |
-
2021
- 2021-01-06 CN CN202110014401.2A patent/CN112845899A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1307740A (en) * | 1970-10-21 | 1973-02-21 | Plessey Co Ltd | Electrically insulating mounting for an electrically conductive member |
| CN101173692A (en) * | 2007-09-19 | 2008-05-07 | 中国南车集团眉山车辆厂 | Spinning ring-grooved rivet, spinning riveting machine and riveting method |
| US20160158925A1 (en) * | 2014-12-09 | 2016-06-09 | Lawrence M. Robb, JR. | Spherical bearing tool kit |
| CN207044078U (en) * | 2017-07-17 | 2018-02-27 | 中国商用飞机有限责任公司 | Load-bearing quick-release fastener upper lock body erecting device |
| CN207709772U (en) * | 2017-12-18 | 2018-08-10 | 中国航发贵州黎阳航空动力有限公司 | A kind of interference riveting for complex precise part, flaring tool |
| CN209272377U (en) * | 2018-12-04 | 2019-08-20 | 盐城大有迪安希汽车部件有限公司 | A kind of positioning tool that presses of frame of handwheel |
| CN211305575U (en) * | 2019-12-02 | 2020-08-21 | 成立航空技术有限公司 | Workpiece pressing device |
| CN111015169A (en) * | 2019-12-13 | 2020-04-17 | 中国航空工业集团公司西安飞机设计研究所 | Crimping tool for bushing flanging |
| CN111196379A (en) * | 2019-12-13 | 2020-05-26 | 中国航空工业集团公司西安飞机设计研究所 | Screw connection tool for flanging of bushing |
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