CN111911510A - Ring groove rivet capable of automatically compensating abrasion of mounting tool and mounting tool thereof - Google Patents
Ring groove rivet capable of automatically compensating abrasion of mounting tool and mounting tool thereof Download PDFInfo
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- CN111911510A CN111911510A CN202010682048.0A CN202010682048A CN111911510A CN 111911510 A CN111911510 A CN 111911510A CN 202010682048 A CN202010682048 A CN 202010682048A CN 111911510 A CN111911510 A CN 111911510A
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- rivet
- ring groove
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- abrasion
- compensation
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- 238000005299 abrasion Methods 0.000 title claims abstract description 22
- 238000009434 installation Methods 0.000 claims abstract description 68
- 238000001514 detection method Methods 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 241001079814 Symphyotrichum pilosum Species 0.000 description 3
- 235000004224 Typha angustifolia Nutrition 0.000 description 3
- 210000000078 claw Anatomy 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 241000587161 Gomphocarpus Species 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Images
Classifications
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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
- B21J15/02—Riveting procedures
- B21J15/022—Setting rivets by means of swaged-on locking collars, e.g. lockbolts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/10—Hollow rivets; Multi-part rivets fastened by expanding mechanically
- F16B19/1027—Multi-part rivets
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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
- B21J15/10—Riveting machines
- B21J15/16—Drives for riveting machines; Transmission means therefor
- B21J15/20—Drives for riveting machines; Transmission means therefor operated by hydraulic or liquid pressure
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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
- B21J15/10—Riveting machines
- B21J15/30—Particular elements, e.g. supports; Suspension equipment specially adapted for portable riveters
- B21J15/32—Devices for inserting or holding rivets in position with or without feeding arrangements
-
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/04—Rivets; Spigots or the like fastened by riveting
- F16B19/08—Hollow rivets; Multi-part rivets
- F16B19/12—Hollow rivets; Multi-part rivets fastened by fluid pressure, including by explosion
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
Abstract
The invention discloses an annular groove rivet capable of automatically compensating abrasion of an installation tool and the installation tool thereof, and the annular groove rivet comprises an annular groove rivet body, wherein one end part of the annular groove rivet body is provided with an installation driving section matched with an external installation tool, a bearing part of the annular groove rivet body is provided with a locking section matched with a locking lantern ring, and the installation driving section comprises an abrasion compensation part and a positioning detection part which are connected with a clamping jaw on the installation tool; the compensation of the abrasion of the clamping jaw is realized through the installation driving section arranged on the annular groove rivet body, and meanwhile, the matching position of an installation tool and the rivet can be positioned and detected; because the driving mechanism for installing the tail part of the ring groove rivet cancels a multi-groove or single-groove ring groove and replaces a conical round platform, the machining precision is reduced, the manufacturing cost of the rivet is reduced, the angle design of a compensation inclined plane on the conical round platform can realize timely automatic compensation for the abrasion allowance of a clamping jaw of an installing tool, the service life of the clamping jaw is prolonged, and the installation cost of ring groove rivet connection is reduced.
Description
Technical Field
The invention relates to the field of fasteners, in particular to a ring groove rivet capable of automatically compensating abrasion of an installation tool and the installation tool thereof.
Background
The ring groove rivet connection pair is a low-cost light-weight high-looseness-prevention fastening system developed specially for the field of bearing alternating load vibration working conditions and requiring light structure, and can achieve the effect of locking and fixing two objects through a threaded hole and a threaded groove. The existing threaded connection has the advantages of simple structure, convenience in assembly and disassembly and the like, but under the working condition of bearing alternating load vibration, the friction force between threads and the friction force between a bolt head, a nut bearing surface and a connected piece are attenuated, so that the thread pair slides and the loosening trend is always existed.
In the prior art, chinese patent No. CN200820065124.8, US patent nos. US010260547B2 and US10393164B2 all propose a ring-groove rivet connection system, which is composed of a ring-groove rivet, a ring and a special installation tool. The ring groove rivet is provided with a nail head, a nail rod section, a ring groove section or a thread section which is in extrusion fit with the lantern ring and a multi-groove long ring groove section or a multi-groove short thin ring groove section or a spiral section or a single groove section at the tail end for clamping a mounting tool from left to right; the lantern ring is provided with a flange end face, a deformation part and a tail end face from left to right; the deformed part of the lantern ring is locked in the annular groove rivet locking annular groove or the spiral groove in a mechanical extrusion deformation mode through a special riveting tool.
In order to realize installation, the tail part of the nail rod of the annular groove rivet connecting system is provided with a multi-groove long annular groove or a multi-groove short and thin annular groove or a spiral groove or a single groove for clamping an installation tool, the precision of the annular groove or the spiral groove is required to be high, and the manufacturing cost of the rivet is improved; in the installation, on one hand, the multi-groove or single-groove ring groove section or the spiral section of the inner surface of the tool jaw bears the reaction force from the connecting pair installation pivot, and on the other hand, the outer surface of the tool jaw also bears the extrusion force from the mounting tool outer sleeve all the time, therefore, the mounting tool jaw simultaneously bears the common action force from the inside and the outside of the clamping part, the stress on the jaw part is highly concentrated, and once the jaw is worn and limited, the outer surface of the jaw and the inner surface of the mounting tool outer sleeve, and the inner surface of the jaw and the annular groove rivet tail installation pivot are in hard contact, so that the worn allowance of the jaw cannot be compensated in time, and the jaw is scrapped.
According to the annular groove rivet connecting system, the types of the tool jaws matched with rivets produced in the same batch are fixed, if the rivets do not pass through the detection and auxiliary positioning functions in the installation process, the rivet rod is not matched with the tool jaws very easily, the tail clamping part is damaged during installation in the installation process, and the situation that the installation is not in place is caused, at the moment, the installed locking bolt needs to be cut and reinstalled, the labor and the time are wasted, the installation cost is increased, and the installation efficiency is reduced.
Disclosure of Invention
In view of the above problems, an object of the present invention is to provide a ring groove rivet and a mounting tool thereof, which can automatically compensate for wear of the mounting tool, so as to solve the problems in the prior art that the tool jaws are damaged and cannot compensate in time, and the tool jaws cannot perform positioning detection when mounting a nail rod matching tool.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a can compensate annular rivet of mounting tool wearing and tearing automatically, includes annular rivet body, an annular rivet body tip is provided with outside mounting tool complex installation drive section, bearing position on the annular rivet body is provided with the locking collar complex locking section, the installation drive section include with mounting tool on the wearing and tearing compensation portion and the location detection portion that the jack catch is connected.
Through adopting above-mentioned technical scheme, realize the compensation to the jack catch wearing and tearing through the installation drive section that sets up on the annular rivet, can also fix a position and detect the cooperation position of mounting tool and rivet simultaneously.
The invention is further configured to: the abrasion compensation part comprises a conical round table connected with a first transition section, the vertical height of the conical round table is 1-4mm, the included angle between a compensation inclined plane of the side edge of the conical round table, used for clamping a clamping jaw on an installation tool, and the lower bottom surface of the conical round table is 45-75 degrees, the first transition section is connected with the tail end face of a bearing part on the annular rivet body, and the vertical height is 3-5 mm.
By adopting the technical scheme, the driving mechanism for mounting the tail part of the ring groove rivet cancels a multi-groove or single-groove ring groove and replaces a conical round table, so that the machining precision is reduced, the manufacturing cost of the rivet is reduced, the angle design of the compensation inclined plane on the conical round table can realize timely automatic compensation for the abrasion allowance of the clamping jaw of the mounting tool, the service life of the clamping jaw is prolonged, and the mounting cost of ring groove rivet connection is reduced.
The invention is further configured to: the positioning detection part is a circumferential sunken ring groove for installing the driving section and is positioned at the lower end of the lower bottom surface of the conical round table of the abrasion compensation part.
Through adopting above-mentioned technical scheme, location detection portion mainly fixes a position and detects mounting position to mounting tool, prevents that mounting tool from appearing that the mounting position is improper and leads to the installation to drop and the not in place condition of installation in the installation behind.
The invention is further configured to: the locking section comprises a plurality of sunken ring groove threads and a plurality of continuous sunken spiral line threads.
By adopting the technical scheme, the locking bolt is more easily matched with the locking lantern ring, and the lantern ring is kept at the initial assembly position on the locking bolt by the retaining characteristic before the locking lantern ring is buckled and pressed by an installation tool to install the locking bolt; and meanwhile, the outer side edge of the locking thread part is flush with the side edge of the bolt column, so that the workpiece cannot swing in the installation process.
The invention is further configured to: and the adjacent ring groove threads are in smooth transition and form wave crests and wave troughs, and the center distance of the adjacent wave troughs is 1-2 mm.
Through adopting above-mentioned technical scheme, through increaseing the distance between the adjacent annular screw thread, increase the width of trough, the interlock that can be better after the locking lantern ring is withheld guarantees the stability between locking lantern ring and the rivet, ensures that the work piece that is locked can not become flexible the separation.
The invention is further configured to: and the rivet is also provided with a smooth workpiece connecting section, and the length of the workpiece connecting section is matched with the thickness of the workpiece.
Through adopting above-mentioned technical scheme, guarantee the zonulae occludens between rivet and the work piece, avoid work piece and locking section contact back locking section deformation under the pressure or the exogenic action, further avoided being connected between work piece and the rivet not hard up.
The utility model provides a mounting tool for installing above-mentioned annular rivet, includes with the annular rivet on installation drive section matched with claw and the anvil that makes the locking lantern ring extruded deformation, the claw sets up in the anvil mould, the anvil is promoted through the pneumatic cylinder.
By adopting the technical scheme, the clamping jaws are clamped with the installation driving section, the anvil die inwards compresses the locking lantern ring, and the deformation and locking of the locking lantern ring can be completed within 5-8 seconds by the pressure provided by the hydraulic cylinder.
The invention is further configured to: the jack catch is one end open-ended cylinder structure, and its side is provided with a plurality of sections along the axial, jack catch open end inboard be provided with the first grip block of compensation inclined plane complex on the toper round platform, the below of first grip block be provided with sunken annular complex locating piece.
Through adopting above-mentioned technical scheme, the section setting on the jack catch makes the jack catch opening part have certain tension, makes things convenient for the jack catch to be connected with the installation drive section, and first grip block and toper round platform cooperation provide holding power and mounted position for mounting tool, and the recessed ring groove is then further to the mounted position location of mounting tool, detects and reinforces the jack catch lateral wall the cooperation condition of mounting tool and rivet simultaneously, can play the strengthening rib effect, increases the life of jack catch.
The invention is further configured to: the first clamping block is provided with a clamping inclined plane matched with the compensation inclined plane, and the clamping inclined plane at least covers two thirds of the position of the compensation inclined plane when contacting with the compensation inclined plane.
Through adopting above-mentioned technical scheme, even first grip block is that the rivet compensates also can not let the area of contact on centre gripping inclined plane and compensation inclined plane be less than two-thirds after the instrument wearing and tearing, and the area of contact card that exceeds two-thirds mainly can both carry out the centre gripping to the rivet, and the cone type round platform also can provide the holding power for mounting tool simultaneously.
In conclusion, the beneficial technical effects of the invention are as follows:
the compensation of the abrasion of the clamping jaw is realized through the installation driving section arranged on the ring groove rivet, and meanwhile, the matching position of an installation tool and the rivet can be positioned and detected; because the driving mechanism for installing the tail part of the ring groove rivet cancels a multi-groove or single-groove ring groove and replaces the multi-groove or single-groove ring groove with a conical round platform, the machining precision is reduced, the manufacturing cost of the rivet is reduced, the angle design of a compensation inclined plane on the conical round platform can realize timely automatic compensation for the abrasion allowance of a clamping jaw of an installing tool, the service life of the clamping jaw is prolonged, and the connecting and installing cost of the ring groove rivet is reduced; the connecting function is that the mechanical deformation of the locking lantern ring forces the rivet body to deform axially to form an installation clamping force which can continuously and permanently act on the connected object, thereby realizing the purpose of reliable anti-loosening.
Drawings
FIG. 1 is a schematic view of a ring-grooved rivet of the present invention for automatically compensating for wear of a setting tool;
FIG. 2 is a schematic view of an installation structure of a ring-grooved rivet capable of automatically compensating for wear of an installation tool according to the present invention;
FIG. 3 is a schematic view of a locking collar structure of the present invention;
FIG. 4 is a schematic view of the jaw structure of the present invention;
FIG. 5 is a schematic view of the installation tool of the present invention;
FIG. 6 is a schematic illustration of the rivet setting process of the present invention;
FIG. 7 is a schematic view of the present invention illustrating the structure of the driving section;
FIG. 8 is a schematic view of the working state of FIG. 7 according to the present invention;
FIG. 9 is a schematic structural view of a cone-shaped circular truncated cone of the present invention;
fig. 10 is a schematic view of the working state of the jaw during compensation in the invention.
In the drawing, 100. a ring groove rivet body, 200. an installation tool, 400. a workpiece, 500. a locking collar, 110. an installation driving section, 120. a locking section, 130. a workpiece connecting section, 140. a rivet head, 141. a relief groove, 210. a jaw, 220. a hydraulic cylinder, 230. an outer sleeve, 240. a housing, 250. an anvil, 510. a flange end face, 520. a through hole, 530. a cylindrical face, 540. a chamfered end face, 550. a latch, 211. a cross section, 212. a first clamping block, 213. a positioning block, 214. a clamping inclined face, 10. a wear compensation part, 20. a positioning detection part, 30. a ring groove thread, 40. a helical thread, 11. a first transition section, 12. a conical circular table, 13. a compensation inclined face, 14. a lower bottom face, 15. an upper bottom face, 21. a recessed ring groove, 31. a wave crest, 32. a wave trough are provided.
Detailed Description
The technical solution of the present invention will be described below with reference to the accompanying drawings.
A ring groove rivet capable of automatically compensating abrasion of an installation tool comprises a ring groove rivet body 100, which can be made of 4.8 or 6.8 or 8.8 or 10.9 or 12.9 or A2-70 or A2-80 strength grades according to different connected working conditions, and can be made of suitable materials known in the field.
In the invention, as shown in fig. 1, a smooth workpiece connecting section 130 is further arranged on the ring groove rivet body 100, the length of the workpiece connecting section 130 is matched with the thickness of a workpiece 400, so that tight connection between the rivet and the workpiece is ensured, deformation of the locking section under the action of pressure or external force after the workpiece is contacted with the locking section is avoided, further connection looseness between the workpiece and the rivet is avoided, a rivet head 140 is arranged at one end part of the ring groove rivet body 100, an unloading groove 141 is arranged at the joint of the ring groove rivet body 100 and the rivet head 140, the unloading groove can avoid rigid contact between the rivet head and the workpiece, and the ring groove rivet body has the function of prolonging the practical life of the ring groove rivet body.
In the invention, as shown in fig. 1-2 and 7, the bearing part on the ring groove rivet body 100 is provided with an installation driving section 110 matched with an external installation tool 200, and the installation driving section 110 comprises a wear compensation part 10 and a positioning detection part 20 connected with a jaw 210 on the installation tool 200; the abrasion compensation part comprises a conical circular truncated cone 12 connected with a first transition section 11, as shown in fig. 9, the vertical height of the conical circular truncated cone 12 is 1-4mm, an included angle between a compensation inclined surface 13, used for clamping a claw 210 on an installation tool 200, on the side edge of the conical circular truncated cone 12 and a lower bottom surface 14 of the conical circular truncated cone is 45-75 degrees, one end of the first transition section 11 is connected with the tail end surface of a bearing part on the annular rivet body, the vertical height is 3-5mm, the other end of the first transition section 11 is connected with an upper bottom surface 15 of the conical circular truncated cone 12, the sizes of contact surfaces are the same, and the contact surfaces are used for providing a buffer area for the movement of; the positioning detection part 20 is a circumferential sunken ring groove 21 for installing the driving section 110 and is positioned at the lower end of the lower bottom surface 14 of the conical circular table 12 of the wear compensation part 10; the compensation to jack catch wearing and tearing is realized through the installation drive section that sets up on the annular rivet, can also fix a position and detect the cooperation position of mounting tool and rivet simultaneously, because annular rivet afterbody installation actuating mechanism has cancelled multislot or single groove annular, the substitute is a tapered round platform, the machining precision reduces, rivet manufacturing cost reduces, the angle design on the compensation inclined plane on the tapered round platform can realize timely automatic compensation to mounting tool jack catch wearing and tearing surplus, jack catch life has been prolonged, annular rivet connection installation cost has been reduced, the location detection portion mainly fixes a position and detects the mounted position of mounting tool to the mounting tool, prevent that the mounting tool from appearing the condition that the mounted position is improper and appears the installation and drops and install not in place in the installation process behind.
In the invention, as shown in fig. 1-2, a locking section 120 matched with a locking collar 500 is arranged on the outer side of the tail end part of a ring groove rivet body 100, the locking section 120 comprises a plurality of concave ring groove threads 30 and a plurality of continuous concave spiral thread 40, wherein the adjacent ring groove threads 30 are in smooth transition and form a peak 31 and a trough 32, the center distance of the adjacent troughs is 1-2mm, the width of the trough is increased by increasing the distance between the adjacent ring groove threads, the locking collar can be better engaged after being buckled, the stability between the locking collar and the rivet is ensured, and the locked workpiece can not be loosened and separated; the spiral thread 40 is circumferentially arranged around the rivet body 100 for 3-7 circles, so that the locking lantern ring can be prevented from easily falling off on the spiral thread; the ring groove rivet body 100 is more easily engaged with the locking collar 500, the retention feature holding the collar in an initial assembly position on the locking bolt before the installation tool installs the locking bolt by crimping the locking collar; meanwhile, the outer side edge of the locking section is flush with the side edge of the rivet through the sunken structure, so that the workpiece cannot swing in the installation process.
In the present invention, as shown in fig. 2-3, the locking collar 500 is made of a suitable material selected from those known in the art according to the rivet strength rating, such as: like carbon steel rivet + carbon steel material locking lantern ring combination, also the material of alternative different from the rivet makes the locking lantern ring, for example: for example, the combination of the aluminum alloy locking lantern ring and the stainless steel rivet, through the arrangement, the locking lantern ring maintains reliable pull-out force under the condition of ensuring the clamping force; the length from the flange end surface 510, which is in contact with the workpiece 400, on the leftmost side to the chamfer end surface 540, which is in contact with the mounting tool 200, on the rightmost side is called the total length of the locking collar, the locking collar is provided with an inner through hole 520 penetrating through the total length and called an inner diameter, the periphery of the locking collar is a cylindrical surface 530 called an outer diameter, the inner diameter and the outer diameter define the wall thickness of the locking collar together, the wall thickness is limited within the range of 0.16-0.3 times of the total length of the locking collar, and through the arrangement, the locking collar is mounted on the annular groove rivet body 100 through the inner diameter and is sleeved on the locking section 120 of the annular groove rivet through the deformation; be provided with one on the inner wall of the locking lantern ring 500 chamfer terminal surface 540 with sunken type helix thread fit's latch 550, through the setting when the installation locking lantern ring, can be earlier through latch temporarily with the locking lantern ring and fix with rivet, the single installation of being convenient for.
In the present invention, as shown in fig. 4-6, an installation tool 200 for installing the ring groove rivet includes a housing 240, a hydraulic cylinder 220, an outer sleeve 230, a jaw 210, an anvil 250, etc., wherein the hydraulic cylinder 220 is disposed at one end inside the outer sleeve 230, a piston rod 221 of the hydraulic cylinder 220 is fixedly connected to the jaw 210, the anvil 250 is disposed between the jaw 210 and the housing 240, and the jaw 210 is matched with an installation driving section 110 of a ring groove rivet body 100; through the arrangement, the installation driving section of the annular groove rivet body is connected with the clamping jaw in a clamped mode, then the clamping jaw is driven and pulled through the hydraulic cylinder, the anvil die extrudes the locking sleeve ring, the locking sleeve ring is fixed with the locking section on the annular groove rivet body, after the locking sleeve ring is fixed with the locking section, the hydraulic cylinder moves in the reverse direction, the clamping jaw is withdrawn from the anvil die and separated from the installation driving section under the pushing of the piston, the clamping jaw is connected with the installation driving section in a clamped mode, the anvil die inwards compresses the locking sleeve ring, and the deformation locking of the locking sleeve ring can be completed within 5-8 seconds through the pressure provided by the hydraulic cylinder.
In the invention, as shown in fig. 4, 8 and 10, the jaw 210 is a cylindrical structure with an opening at one end, the side edge of the jaw is provided with a plurality of cross sections 211 along the axial direction, the cross sections are in an open state under a non-clamping state, when the jaw is in a clamping state, the cross sections of the jaw are connected under the action of the anvil 250 on the mounting tool to form a cylinder with a closed cross section, the inner side of the opening end of the jaw is provided with a first clamping block 212 matched with the compensation inclined surface 13 on the conical circular truncated cone 12, a positioning block 213 matched with the concave ring groove 21 is arranged below the first clamping block 212, the positioning block 213 can detect the matching condition of the mounting tool and the rivet and reinforce the side wall of the jaw, can play a role of reinforcing rib and prolong the service life of the jaw, the first clamping block 212 is provided with a clamping inclined surface 214 matched with the compensation inclined surface 13, the clamping inclined surface 214 at least covers two thirds, the clamping area of the clamping inclined surface 214 on the compensation inclined surface 13 can clamp the rivet as long as the clamping area can exceed two thirds of the area of the compensation inclined surface 13, and meanwhile, the conical round table can also provide supporting force for an installation tool; the setting of section 211 makes the jack catch opening part have certain tension on the jack catch 210, makes things convenient for the jack catch to be connected with the installation drive section, and first grip block and the cooperation of toper round platform on the jack catch 210 provide holding power and mounted position for mounting tool 200, and the sunken annular is then further to mounting tool's mounted position location, detects the cooperation condition of mounting tool and rivet simultaneously.
The working process of the invention is as follows: as shown in figure 6, an operator firstly inserts the ring groove rivet from one side of a workpiece 400 to be fixed, then the flange end surface 510 of the locking lantern ring 500 faces the connected workpiece to be sleeved on the ring groove rivet, and then the jaw 210 on the external mounting tool 200 is clamped with the rivet tail mounting driving section 110, the anvil 250 on the mounting tool provides driving force on the hydraulic cylinder to press the upper chamfer end surface of the locking ring inwards, the deformation locking of the locking lantern ring can be completed within 5-8 seconds by the pressure of the hydraulic cylinder 220 of the mounting tool, then the mounting tool is withdrawn from the ring groove rivet to complete the mounting, the whole mounting process has no impact and noise, the jaw 210 is worn for a long time after being stressed, the worn jaw can not completely clamp the mounting driving section, and the clamping caused by damage can be automatically compensated by compensating the inclined plane under the condition that the jaw is damaged without clamping the jaw through the optimal inclined plane design of 45-75 degrees on the conical round table The problem of stability.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides a can compensate annular rivet of mounting tool wearing and tearing automatically, includes annular rivet body (100), its characterized in that, annular rivet body (100) one end is provided with installation driver section (110) with outside mounting tool (200) complex, the last bearing part of annular rivet body is provided with and locks lantern ring (500) complex locking section (120), installation driver section (110) include with mounting tool (200) go up wearing and tearing compensation portion (10) and location detection portion (20) that jack catch (210) are connected.
2. The ring groove rivet capable of automatically compensating the abrasion of the mounting tool is characterized in that the abrasion compensation part (10) comprises a conical round table (12) connected with a first transition section (11), the vertical height of the conical round table (12) is 1-4mm, an included angle between a compensation inclined surface (13) on the side of the conical round table (12) and a lower bottom surface (14) of the conical round table (12) and used for clamping by an upper clamping jaw (210) of the mounting tool (200) and the lower bottom surface (13) is 45-75 degrees, the first transition section (11) is connected with the tail end surface of a bearing part on a ring groove rivet body, and the vertical height is 3-5 mm.
3. The ring groove rivet capable of automatically compensating the abrasion of the installation tool according to the claim 1, wherein the positioning detection part (20) is a circumferential sunken ring groove (21) of the installation driving section and is positioned at the lower end of the conical circular truncated cone lower bottom surface (14) of the abrasion compensation part (10).
4. A ring groove rivet capable of automatically compensating for wear of an installation tool according to claim 1, wherein the locking section (120) comprises a plurality of recessed ring groove threads (30) and a plurality of continuous recessed helical threads (40).
5. A ring groove rivet capable of automatically compensating abrasion of an installation tool, as claimed in claim 4, characterized in that, the adjacent ring groove threads (30) are smoothly transited and form peaks (31) and valleys (32), and the center distance between the adjacent valleys is 1-2 mm.
6. A ring groove rivet capable of automatically compensating abrasion of an installation tool as claimed in claim 1, characterized in that the ring groove rivet body (100) is further provided with a smooth workpiece connecting section (130), and the length of the workpiece connecting section (130) is matched with the thickness of the workpiece (400).
7. A setting tool for setting a ring groove rivet according to any of claims 1-6, comprising jaws (210) for co-operating with a setting driving section (110) of the ring groove rivet, said jaws being arranged in an anvil (250) for pressing and deforming a locking collar (500), said anvil being pushed by a hydraulic cylinder (240).
8. The ring-groove rivet capable of automatically compensating the abrasion of the mounting tool as claimed in claim 7, wherein the jaw (210) is a cylindrical structure with an open end, the side edge of the jaw is provided with a plurality of sections (211) along the axial direction, the inner side of the open end of the jaw is provided with a first clamping block (212) matched with the compensation inclined surface (13) on the conical round table, and a positioning block (213) matched with the recessed ring groove is arranged below the first clamping block.
9. A ring groove rivet capable of automatically compensating the abrasion of an installation tool according to claim 8, characterized in that the first clamping block (212) is provided with a clamping inclined surface (214) which is matched with the compensation inclined surface (13), and the clamping inclined surface is contacted with the compensation inclined surface and at least covers two thirds of the position of the compensation inclined surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682048.0A CN111911510A (en) | 2020-07-15 | 2020-07-15 | Ring groove rivet capable of automatically compensating abrasion of mounting tool and mounting tool thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010682048.0A CN111911510A (en) | 2020-07-15 | 2020-07-15 | Ring groove rivet capable of automatically compensating abrasion of mounting tool and mounting tool thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111911510A true CN111911510A (en) | 2020-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010682048.0A Pending CN111911510A (en) | 2020-07-15 | 2020-07-15 | Ring groove rivet capable of automatically compensating abrasion of mounting tool and mounting tool thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN111911510A (en) |
Cited By (1)
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| CN113983057A (en) * | 2021-11-02 | 2022-01-28 | 河南航天精工制造有限公司 | Non-disengagement screw assembly and cover plate fastening structure |
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Application publication date: 20201110 |