CN109202005B - Rivet dismounting device and rivet dismounting method - Google Patents
Rivet dismounting device and rivet dismounting method Download PDFInfo
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- CN109202005B CN109202005B CN201711193750.5A CN201711193750A CN109202005B CN 109202005 B CN109202005 B CN 109202005B CN 201711193750 A CN201711193750 A CN 201711193750A CN 109202005 B CN109202005 B CN 109202005B
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- rivet
- fixture
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- hole
- locking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J15/00—Riveting
- B21J15/38—Accessories for use in connection with riveting, e.g. pliers for upsetting; Hand tools for riveting
- B21J15/50—Removing or cutting devices for rivets
Abstract
The invention relates to a device and a method for disassembling rivets. The device comprises a drill bushing, a clamping tool, a locking adjusting part and an adjusting bushing, wherein an assembly body with a central through hole is coaxially assembled from inside to outside by the drill bushing, the clamping tool, the locking adjusting part and the adjusting bushing, the clamping tool is of a conical structure with the through hole, a conical inner hole matched with the conical clamping tool is formed in the assembly end of the locking adjusting part, the assembly end of the locking adjusting part is sleeved in the adjusting bushing, the sleeving length is adjustable, and the through hole of the clamping tool can be radially reduced along with the change of the sleeving length of the locking adjusting part in the adjusting bushing. When the sleeve length of the assembling end of the locking adjusting part in the adjusting sleeve is adjusted, the clamping tool is extruded or loosened along with the locking adjusting part, so that the clamping tool has a diameter changing function in a certain range in the radial direction, the clamping tool can be locked and clamped or loosened aiming at pier heads with different size deviations, the application range of the device is expanded, the accuracy and the efficiency of disassembly are ensured, and the disassembly and maintenance cost is saved.
Description
Technical Field
The invention relates to the field of dismounting devices, in particular to a device and a method for dismounting rivets.
Background
The riveting structure is a strong connecting structure commonly used in the field of mechanical manufacturing, namely, the rivet forms a pier head under the action of axial riveting pressure to connect the connecting piece and the connected piece into a whole structure, and the structure has the characteristics of large connecting force and one-step forming. A large number of practices show that the riveting structure can meet the strength requirement between the connecting piece and the connected piece, and meanwhile, the problem that the damaged piece is difficult to disassemble and replace is caused due to the characteristic of one-time forming.
According to the characteristics of the riveting structure, the riveting structure of the riveted part needs to be damaged, and the connecting part and the connected part can be separated. Therefore, how to realize the effective disassembly of the riveting structure, and the disassembly technology which can not cause secondary damage to the connecting member at the same time becomes the key problem to be solved firstly for replacing the riveting damaged part.
In the prior art, the rivet is generally disassembled by a drilling method or a clip removing method and a corresponding disassembling device. However, the tool used by the drilling method has no adjusting function, is only suitable for disassembling the rivet with a fixed positioning inner hole, and cannot solve the problem that the rivet with the same specification is not suitable for disassembling due to the size deviation of the rivet head; in addition, unclamped extracting tool is in free state, inclines easily in the removal process, causes the influence to the straightness that hangs down of drilling, and whatever above-mentioned not enough all probably causes the damage to the part of being dismantled. In addition, the dismounting device adopting the drilling method or the clip pulling method in the prior art can only realize the dismounting of the rivets at the edges of the components, but has no applicability to rivets exceeding a certain range.
Therefore, it is necessary to provide a device and a rivet removing method capable of stably and accurately removing a rivet.
Disclosure of Invention
The embodiment of the invention provides a device and a method for disassembling a rivet, which can enable a clamping apparatus to realize a reducing function along the radial direction, so that a pier head of the rivet to be disassembled can be clamped or loosened, the problem that a disassembling tool is not suitable due to the size deviation of the pier head of the rivet is solved, and the reliability and the stability of rivet disassembly are improved.
In a first aspect, an embodiment of the present invention provides a device for removing a rivet, which includes a drill bushing, a fixture, a locking adjusting member and an adjusting bushing, wherein an assembly body with a central through hole is coaxially assembled from inside to outside by the drill bushing, the fixture, the locking adjusting member and the adjusting bushing, the fixture is a conical structure with a through hole, a conical inner hole matched with the conical fixture is formed at an assembly end of the locking adjusting member, the assembly end of the locking adjusting member is sleeved in the adjusting bushing, the sleeving length of the assembly end of the locking adjusting member is adjustable, and the through hole of the fixture can be radially reduced along with the change of the sleeving length of the locking adjusting member in the adjusting bushing.
In a first possible implementation manner, a large-diameter end of the tapered surface of the fixture is provided with a first gap along a generatrix direction, the first gap extends to a small-diameter end and is not communicated with the small-diameter end, a small-diameter end of the tapered surface of the fixture is provided with a second gap along the generatrix direction, the second gap extends to the large-diameter end and is not communicated with the large-diameter end, and the first gap and the second gap are arranged at intervals.
With reference to the foregoing possible implementation manners, in a second possible implementation manner, the number of the first gaps is one or more, and the number of the second gaps is the same as the number of the first gaps.
In combination with the above possible implementation manners, in a third possible implementation manner, a mounting groove is provided at a large-diameter end of the tapered surface of the fixture.
In combination with the above possible implementation manners, in a fourth possible implementation manner, a flange is arranged on the inner wall of the adjusting sleeve, and the flange is matched with the groove at the large-diameter end of the fixture and used for clamping and limiting when the fixture is assembled in the adjusting sleeve.
In combination with the above possible implementation manners, in a fifth possible implementation manner, an inner thread is provided on an inner wall of the adjusting sleeve, and a handle is provided on an outer wall of the adjusting sleeve.
In combination with the above possible implementation manners, in a sixth possible implementation manner, the assembling end of the locking adjusting piece is provided with an external thread with a preset length, and the external thread is matched with the internal thread of the adjusting sleeve.
In combination with the above possible implementation manners, in a seventh possible implementation manner, a drill bushing installation groove is formed in the other end, opposite to the assembling end, of the locking adjusting member.
With reference to the above possible implementation manners, in an eighth possible implementation manner, the drill bushing includes an installation head and a drill bushing main body, the installation head is installed in interference fit with the installation groove on the locking adjusting member, and the outer diameter of the drill bushing main body is smaller than the minimum diameter of the through hole of the fixture with variable diameter.
In combination with the above possible implementation manners, in a ninth possible implementation manner, the length of the drill bushing main body in the central through hole does not exceed the position of the installation groove on the fixture.
In a second aspect, an embodiment of the invention provides a rivet disassembling method using the apparatus for disassembling rivets of the first aspect, the disassembling method comprising:
assembling the drill bushing, the fixture, the locking adjusting piece and the adjusting bushing from inside to outside along a central axis to form an assembly body with a central through hole;
locking adjustment, namely placing a pier head of a rivet to be disassembled in a central through hole of an assembly body, enabling the through hole of a fixture to be sleeved on the pier head in parallel, adjusting the length of an assembly end of a locking adjusting piece in an adjusting sleeve, and reducing the aperture of the through hole of the fixture when the locking adjusting piece extrudes the fixture, so that the pier head is clamped by the fixture;
drilling adjustment, namely selecting a drill bit with the diameter being 0.4mm ~ 0.6.6 mm smaller than that of the rivet to be disassembled, introducing the drill bit into the central through hole of the assembly body to reach the pier head of the rivet, drilling the rivet through a drill sleeve, stopping after the rivet is drilled to the depth of 5.5mm ~ 6.0.0 mm, adjusting the length of the locking adjusting piece in the adjusting sleeve, and enabling the clamp to loosen the pier head when the clamp is extruded by the locking adjusting piece;
and (4) reaming and disassembling, namely selecting a drill bit with the same diameter as the rivet rod to be disassembled and reaming the hole drilled in the step, stopping drilling when the reaming depth is 2.0mm ~ 2.5.5 mm, and disassembling the rivet to be disassembled drilled.
With reference to the above possible implementation manners, in a first possible implementation manner, the aperture of the through hole of the fixture ranges from 4.0mm to 4.5mm, from 4.5mm to 5.0mm, or from 5.0mm to 5.5 mm.
To sum up, the device for dismounting a rivet and the rivet dismounting method of the embodiment of the invention design the structures and mutual assembly relations of the conical fixture, the matched locking adjusting piece and the adjusting sleeve, when the sleeve joint length of the assembly end of the locking adjusting piece in the adjusting sleeve is adjusted, the fixture is attached and extruded along with the locking adjusting piece and the fixture, so that the fixture can realize the diameter changing function in a certain range in the radial direction, and the fixture can clamp and lock or loosen pier heads with different size deviations. The device is applicable to the dismantlement of the rivet that has different size deviation pier nose, has expanded dismounting device's application scope to guarantee the accuracy and the high efficiency that the rivet was dismantled, practiced thrift and dismantled cost of maintenance.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a device for removing rivets according to an embodiment of the present invention.
Fig. 2 is a sectional view schematically showing the apparatus for removing rivets in fig. 1.
Fig. 3 is a schematic structural view of a jig according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of an adjusting sleeve according to an embodiment of the invention.
Fig. 5 is a schematic cross-sectional view of a locking adjuster according to an embodiment of the invention.
FIG. 6 is a schematic partial cross-sectional view of an embodiment of the invention during rivet removal.
FIG. 7 is a schematic flow chart of a rivet removal method according to an embodiment of the invention.
In the figure:
10-locking the adjusting member; 101-external threads; 102-drill bushing mounting groove;
20-adjusting sleeve; 201-flange; 202-internal thread; 203-a handle;
30-a fixture; 301-a first gap; 302-a second gap; 303-mounting a groove;
40-a drill bushing; 50-a central through hole; 60-a drill bit; 70-rivet.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following detailed description of the embodiments and the accompanying drawings are provided to illustrate the principles of the invention and are not intended to limit the scope of the invention, i.e., the invention is not limited to the embodiments described, but covers any modifications, alterations, and improvements in the parts, components, and connections without departing from the spirit of the invention.
In the description of the present invention, it should be noted that unless otherwise specified, the terms "upper end", "lower end", and the like, indicate orientations or positional relationships only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present invention. The terms "mounted," "disposed," and "connected" are to be construed broadly and may be directly connected or indirectly connected through intervening media. The specific meaning of the above terms in the present invention can be understood as appropriate to those of ordinary skill in the art.
Fig. 1 is a perspective view illustrating an apparatus for removing rivets according to an embodiment of the present invention, and fig. 2 is a sectional view illustrating the apparatus of fig. 1.
As shown in fig. 1 and 2, the apparatus for removing rivets in this embodiment includes a drill bushing 40, a fixture 30, a locking adjusting member 10 and an adjusting bushing 20, wherein the fixture 30 has a conical structure with a through hole, a conical inner hole matched with the conical fixture 30 is opened at an assembling end of the locking adjusting member 10, the assembling end of the locking adjusting member 10 is sleeved in the adjusting bushing 20 and the sleeved length is adjustable, an assembly body with a central through hole 50 is coaxially assembled from the drill bushing 40, the fixture 30, the locking adjusting member 10 and the adjusting bushing 20 from inside to outside, the central axes of the drill bushing 40, the fixture 30, the locking adjusting member 10 and the adjusting bushing 20 are coaxial with the assembling axis, so that the coaxial assembly is ensured, and the assembling axis is coaxial with the central through hole 50, and the through hole of the fixture 30 can be radially changed with the sleeved length of the locking adjusting member 10 in the adjusting bushing 20.
Therefore, when the device for assembling the body in the embodiment of the invention is used for disassembling a rivet, the lower end hole opening of the central through hole 50 of the assembling body is sleeved on the rivet pier head in parallel, the pier head is arranged in the through hole of the fixture 30, the hole diameter of the through hole of the fixture 30 can be changed by adjusting the sleeving length of the locking adjusting piece 10 and the adjusting sleeve 20, and the rivet pier head with a certain size range can be clamped. Specifically, when the length of the adjustable locking adjusting part 10 sleeved with the adjusting sleeve 20 is increased, the adjustable locking adjusting part 10 is limited by the adjusting sleeve 20, the conical inner hole surface of the locking adjusting part 10 gradually presses the conical surface of the fixture 30, when the conical surface of the fixture 30 is pressed, the hole diameter of the through hole of the fixture 30 can be reduced along the radial direction to generate a diameter-changing effect, and when the pressing force applied to the fixture 30 is removed, the hole diameter of the through hole of the fixture 30 is increased along the radial direction and returns to a normal state. The rivet pier head is clamped or loosened through the reducing function of the fixture 30, so that the rivet pier head in a certain size range is stably and reliably locked and removed, the position of a rivet to be removed is not limited, the rivet removing efficiency is improved by using the device, and the removing and maintaining cost is saved.
Fig. 3 is a schematic structural view of a jig according to an embodiment of the present invention.
As shown in fig. 2 and 3, a first gap 301 is formed at a large-diameter end of the tapered surface of the jig 30 along a generatrix direction, the first gap 301 extends to a small-diameter end and does not penetrate through, a second gap 302 is formed at a small-diameter end of the tapered surface of the jig 30 along the generatrix direction, the second gap 302 extends to a large-diameter end and does not penetrate through, wherein the first gap 301 and the second gap 302 are arranged at intervals, and a mounting groove 303 is formed at the large-diameter end of the tapered surface of the jig 30.
Specifically, the number of the first gaps 301 is one or more, and the number of the second gaps 302 is the same as that of the first gaps 301, and in the embodiment of the present invention, a plurality of gaps are arranged in a staggered manner, and in a specific implementation, gaps arranged at intervals as shown in fig. 3 can be formed by opening notches on a complete conical surface, and through the gaps arranged in a staggered manner at intervals at two ends of the fixture 30, when a tapered surface of the fixture 30 is pressed, due to the gaps, the two ends shrink in a radial direction under the action of pressure, so that a diameter changing function of reducing a through hole of the fixture 30 is realized, and after the pressure is released, the fixture 30 returns to a normal state, and a diameter changing function of increasing a through hole of the fixture 30 is realized to a certain extent.
Fig. 4 is a schematic structural diagram of an adjusting sleeve according to an embodiment of the invention.
As shown in fig. 2 and 4, the inner wall of the adjusting sleeve 20 is provided with a flange 201, the flange 201 is matched with the mounting groove 303 of the large-diameter end of the fixture 30 and used for clamping and limiting when the fixture 30 is assembled in the adjusting sleeve 20, the inner wall of the adjusting sleeve 20 is provided with an internal thread 202 for installing and locking the adjusting piece 10, and the outer wall of the adjusting sleeve 20 is provided with a handle 203 for facilitating holding and applying force during assembly and disassembly.
Because the large-diameter end of the fixture 30 is provided with the gap arranged at intervals, when the fixture 30 is arranged in the adjusting sleeve 20, the large-diameter end is extruded to shrink and reduce into the adjusting sleeve 20, and is installed through the matched flange 201 and the installing groove 303, and meanwhile, the limiting function is achieved. When the fixture is used, the fixture 30 and the adjusting sleeve 20 can be stably assembled and keep the relative position unchanged, and the coaxiality during installation and disassembly can be ensured.
Fig. 5 is a schematic cross-sectional view of the locking adjuster 10 according to the embodiment of the present invention.
Referring to fig. 2 and 5, the locking adjusting member 10 has an external thread 101 of a predetermined length at a lower fitting end thereof, and a drill bushing mounting groove 102 at the other upper end of the locking adjusting member 10 opposite to the fitting end. Wherein, external screw thread 101 matches with the internal thread 202 of adjusting collar 20, can assemble and adjust, through the vice connected mode of this embodiment assorted screw thread, through the length of screw in between the adjusting thread pair, can adjust the length that the assembly end cup joints in adjusting collar 20 of locking adjusting part 10 to can realize fixture 30's reducing function.
As shown in fig. 2, the drill bushing 40 includes an installation head and a drill bushing body, the installation head is installed in interference fit with the drill bushing installation groove 102 on the locking adjusting member 10, the outer diameter of the drill bushing body is smaller than the minimum diameter of the reducing hole of the fixture 30, the length of the drill bushing body in the central through hole 50 is not more than the position of the installation groove 102 at the large-diameter end of the fixture 30, so that when the large-diameter end of the fixture 30 is squeezed by external force, the large-diameter end is not affected to shrink and reduce, the assembly and disassembly of the device per se are facilitated, the reducing is also facilitated when the rivet pier head to be disassembled is locked, and the drill bushing 40 with an extended structure reduces the angle deviation caused by the gap between the drill bit 60 and the drill bushing 40.
FIG. 6 is a schematic partial cross-sectional view illustrating the rivet removal according to the embodiment of the present invention, and FIG. 7 is a schematic flow chart illustrating a rivet removal method according to the embodiment of the present invention.
As shown in fig. 6, when the rivet 70 is detached using the apparatus according to the embodiment of the present invention, the drill bushing 40, the jig 30, the locking adjusting member 10, and the adjusting bushing 20, which are adapted to the predetermined specification requirements, are selected according to the specification of the actual rivet 70, and the corresponding drill bit 60 is selected.
As shown in fig. 7, the rivet 70 is disassembled by using the device according to the embodiment of the first aspect of the present invention, and the flow of the concrete disassembling method includes:
an assembling step S701, wherein the drill bushing 40, the fixture 30, the locking adjusting piece 10 and the adjusting bushing 20 are coaxially assembled into an assembly body with a central through hole 50 from inside to outside;
locking and adjusting S702, placing the pier head of the rivet 70 to be disassembled in the central through hole of the assembly body, enabling the through hole of the fixture 30 to be sleeved on the pier head in parallel, adjusting the length of the assembly end of the locking adjusting piece 10 in the adjusting sleeve 20, and when the locking adjusting piece 10 extrudes the fixture 30, reducing the aperture of the through hole of the fixture 30, so that the pier head is clamped by the fixture 30;
drilling and adjusting S703, selecting a drill 60 with the diameter being 0.4mm and ~ 0.6.6 mm smaller than that of the rivet to be disassembled, introducing the drill 60 into the central through hole 50 of the assembly body and reaching the pier head of the rivet 70, drilling the rivet 70 through the drill bushing 40, stopping after the rivet is drilled to the depth of 5.5mm ~ 6.0.0 mm, adjusting the length of the locking adjusting piece 10 in the adjusting bushing 20, and enabling the clamp 30 to loosen the pier head when the clamp 30 is not extruded by the locking adjusting piece 10;
and (5) reaming and disassembling S704, selecting the drill bit 60 with the same diameter as the rivet rod of the rivet 70 to be disassembled, reaming and drilling the hole drilled in the step, stopping when the reaming depth is 2.0mm ~ 2.5.5 mm, then disassembling the rivet 70 to be disassembled drilled by adopting a special tool, ensuring the safety of the disassembling process by means of the drilling allowance, and realizing the nondestructive disassembly of the rivet.
Preferably, the aperture range of the through hole of the fixture 30 is 4.0mm to 4.5mm, 4.5mm to 5.0mm or 5.0mm to 5.5mm, and the fixture 30 with the aperture range specification selected according to actual needs can better meet the disassembly requirement of the corresponding rivet.
Specifically, taking a rivet with the diameter of phi 3.0mm (the aperture of the rivet is phi 3.2 mm) as an example, a fixture 30 with the through hole specification of 4.5 mm-5.0 mm can be selected for assembly, when the conical inner hole of the locking adjusting part 10 is not attached to the conical surface of the fixture 30, the fixture 30 is in a free extension state, the aperture of the through hole is 5.0mm, the lower end orifice of the through hole of the fixture 30 is sleeved on the pier head of the rivet in parallel, the locking adjusting part 10 is slowly screwed downwards, the fixture 30 is extruded, the aperture of the through hole is gradually reduced until the pier head is completely locked by the fixture 30, the aperture of the through hole can be reduced from the minimum diameter of 5.0mm to 4.5mm, then a drill bit 60 with the diameter of phi 2.6mm is selected for drilling the pier head through a drill sleeve 40, the drill bit is drilled to the depth of 5.5 mm-6.0 mm, the locking adjusting part 10 is screwed upwards out, a dismounting device is dismounted from the rivet, then the bottom hole with the diameter of 2.6mm is selected, and a drill bit, the drilling depth is 2.0 mm-2.5 mm. And finally, applying tension to the drilled rivet by using a special tool, breaking the rivet, and taking out the rivet in the mounting hole to finish the dismounting of the rivet.
In conclusion, the device for disassembling the rivet and the rivet disassembling method provided by the invention realize the reducing function of the fixture through the coordination of the fixture, the adjusting sleeve and the locking adjusting piece, so that the fixture can clamp and lock the rivet pier head within a certain size range, and therefore, the device and the method provide stable and reliable guarantee for disassembling the rivet by a subsequent drilling method. The rivet pier head cover that will treat to dismantle locks or relaxs in the through-hole of fixture, this kind of mode can realize apart from the dismantlement of the interior rivet of marginal definite dimension, can also be used for the dismantlement of rivet in other position scopes, and not receive the space restriction when dismantling the operation, in addition, when using, when fixture is to pier head locking, can guarantee the axiality of drilling tool and rivet, in addition, the location effect of drill bushing has reduced the angular deviation when dismantling, the not damaged dismantlement has been realized, and convenient for operation, the reliability is high, the dismantlement efficiency of rivet has been improved.
While the invention has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the technical features mentioned in the embodiments can be combined in any way as long as there is no structural conflict. It is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (11)
1. A rivet disassembling method is characterized in that the method uses a device for disassembling a rivet, which comprises a drill bushing, a fixture, a locking adjusting piece and an adjusting bushing, wherein the drill bushing, the fixture, the locking adjusting piece and the adjusting bushing are coaxially assembled into an assembly body with a central through hole from inside to outside;
the disassembling method comprises the following steps:
assembling, namely coaxially assembling the drill bushing, the fixture, the locking adjusting piece and the adjusting bushing into an assembly body with a central through hole from inside to outside;
locking adjustment, namely placing a pier head of the rivet to be disassembled in a central through hole of the assembly body, enabling the through hole of the fixture to be sleeved on the pier head in parallel, adjusting the length of an assembly end of the locking adjustment piece in the adjustment sleeve, and enabling the aperture of the through hole of the fixture to be reduced when the locking adjustment piece extrudes the fixture, so that the pier head is clamped by the fixture;
drilling adjustment, namely selecting a drill bit with the diameter being 0.4-0.6 mm smaller than that of the rivet to be disassembled, introducing the drill bit into the central through hole of the assembly body to reach the pier head of the rivet, drilling the rivet through the drill sleeve, stopping after the rivet is drilled to the depth of 5.5-6.0 mm, adjusting the length of the locking adjusting piece in the adjusting sleeve, and enabling the fixture to loosen the pier head when the fixture is relieved from the extrusion force of the locking adjusting piece;
and (3) reaming and disassembling, namely selecting a drill bit with the same diameter as the rivet rod to be disassembled and reaming the hole drilled in the step, stopping reaming when the reaming depth is 2.0-2.5 mm, and disassembling the rivet to be disassembled drilled.
2. A method of removing rivets from a base plate of claim 1, characterized in that the apertures of the through holes of said fixtures are in the range of 4.0mm to 4.5mm, 4.5mm to 5.0mm or 5.0mm to 5.5 mm.
3. A rivet disassembling method according to claim 1, characterized in that a first gap is opened in a generatrix direction at a large-diameter end of the tapered surface of the clip, the first gap extending to a small-diameter end without passing through, a second gap is opened in a generatrix direction at the small-diameter end of the tapered surface of the clip, the second gap extending to the large-diameter end without passing through, and the first gap and the second gap are provided at intervals.
4. The rivet disassembling method according to claim 3, characterized in that the number of the first gaps is one or more, and the number of the second gaps is the same as the number of the first gaps.
5. A rivet removal method as claimed in claim 3, wherein a seating groove is provided at a large-diameter end of the tapered surface of the clip.
6. The rivet disassembling method according to claim 5, characterized in that a flange is provided on an inner wall of the adjusting sleeve, and the flange is matched with the mounting groove of the large-diameter end of the fixture and used for clamping and limiting when the fixture is assembled in the adjusting sleeve.
7. The rivet disassembling method according to claim 6, characterized in that the inner assembling wall of the adjusting sleeve is provided with an internal thread, and the outer wall of the adjusting sleeve is provided with a handle.
8. A method of rivet removal according to claim 7, wherein the setting end of said locking adjustment member has an external thread of a predetermined length, said external thread mating with said internal thread of said adjustment sleeve.
9. A rivet disassembling method according to claim 8, characterized in that a drill bushing installation groove is provided at the other end of the locking adjusting member opposite to the fitting end.
10. The rivet disassembling method according to claim 9, characterized in that the drill bushing includes a mounting head and a drill bushing body, the mounting head is mounted in interference fit with the drill bushing mounting groove on the locking adjusting member, and the outer diameter of the drill bushing body is smaller than the minimum diameter of the reducing through hole of the fixture.
11. A method of rivet removal according to claim 10, wherein the length of the drill sleeve body within the central through hole does not exceed the setting recess location on the jig.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193750.5A CN109202005B (en) | 2017-11-24 | 2017-11-24 | Rivet dismounting device and rivet dismounting method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711193750.5A CN109202005B (en) | 2017-11-24 | 2017-11-24 | Rivet dismounting device and rivet dismounting method |
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| CN109202005A CN109202005A (en) | 2019-01-15 |
| CN109202005B true CN109202005B (en) | 2020-01-07 |
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| CN113231798B (en) * | 2021-04-30 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Automatic rivet dismounting device and using method thereof |
| CN113477870B (en) * | 2021-07-06 | 2023-07-28 | 宁波图冠精密模具有限公司 | Automobile front cover plate riveting processing die |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2000079442A (en) * | 1998-09-04 | 2000-03-21 | Ricoh Co Ltd | Disassembling method of binding member and disassembling tool therefor |
| US6203253B1 (en) * | 1998-11-24 | 2001-03-20 | Jamie A. Perrault | Rivet drill-out guide |
| CN203679161U (en) * | 2014-02-21 | 2014-07-02 | 山东太古飞机工程有限公司 | Auxiliary detachment device for rivet with head |
| US9636740B1 (en) * | 2014-07-02 | 2017-05-02 | Robert E. Nikkel | Micro-stop foot and punch set |
| CN204262268U (en) * | 2014-10-14 | 2015-04-15 | 南车眉山车辆有限公司 | A kind of railway freight-car 120 valve protective cover rivet riveting dismounting is standby |
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