CN114294310A - Roller bearing composite riveting fastener and mounting method thereof - Google Patents
Roller bearing composite riveting fastener and mounting method thereof Download PDFInfo
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- CN114294310A CN114294310A CN202210029847.7A CN202210029847A CN114294310A CN 114294310 A CN114294310 A CN 114294310A CN 202210029847 A CN202210029847 A CN 202210029847A CN 114294310 A CN114294310 A CN 114294310A
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Abstract
The invention discloses a composite riveting fastener for a roller bearing and an installation method thereof, and belongs to the field of fasteners. The invention relates to a composite riveting fastener for a roller bearing and an installation method thereof, wherein the composite riveting fastener comprises an outer sleeve, a middle expansion riveting component, an outer expansion riveting component, a nut and a jackscrew, the middle expansion riveting component is installed in the middle of the inner part of the outer sleeve, the left side and the right side of the inner part of the outer sleeve are respectively provided with a group of outer expansion riveting components, the left side and the right side of the outer sleeve are respectively provided with a group of nuts and jackscrews, the middle expansion riveting component can directly complete the installation of a group of rollers on the outer sleeve, and the outer expansion riveting component is utilized to realize the riveting fixation with the side plate of the frame, the outer roller bearing can be installed at the two ends of the outer sleeve by utilizing the nuts and the jackscrews, so that the roller expanding installation of a multi-row roller conveyor is realized, the roller installation step of the existing roller conveyor is simplified, and the installation convenience and the installation efficiency of the roller and the bearing are further improved.
Description
Technical Field
The invention relates to a fastener, in particular to a composite riveting fastener for a roller bearing and an installation method thereof.
Background
With the rapid development of industrial technologies such as modern logistics, the roller conveyor is rapidly developed due to the advantages of large conveying capacity, high conveying speed and the like, and the installation reliability and rolling smoothness of the rollers on the roller conveyor determine the product quality of the roller conveyor to a great extent.
A large number of rollers need to be installed in each roller conveying line, and for a plurality of roller conveying lines arranged side by side, the rollers need to be repeatedly installed for many times, so that the rollers are installed and a large amount of assembly workload is occupied. In order to improve the installation efficiency of the roller in the roller conveyor, the applicant has proposed a patent number ZL202010115074.5 and an invention creation name in 2, 25/2020: the utility model provides a be applied to combination rivet of riveting roller bearing and riveting method's patent application, it provides a bearing quick riveting installation new thinking, combination rivet wherein includes rivets the shell, first clamp tight piece, the second presss from both sides tight piece, bearing locking cap and riveting locking lever, the shell will be riveted and fix on the frame curb plate to the clamp tight piece that utilizes combination rivet, utilize bearing locking cap to fix roller bearing on riveting the shell, simultaneously utilize the riveting of riveting locking lever to riveting the shell tip to fix, the realization is with the purpose of bearing stable mounting on the frame curb plate, roller bearing mounting structure is simpler, riveting operation is more convenient, and roller bearing assembly installation efficiency is high, especially can solve the bearing installation problem of a large amount of rollers in the current roller conveyer. However, although the problem of the installation efficiency of the bearing and the side plate of the frame can be well solved by the combined rivet, when the roller is installed, the two ends of the roller are required to be sleeved on the bearing, so that the side plate of the frame cannot be fixed, the side plate of the frame is required to be fixed after the roller is installed, the installation steps of the roller are increased, and the roller is required to be supported by an aid of tools, so that the roller cannot be further conveniently installed.
Disclosure of Invention
1. Technical problem to be solved by the invention
The invention aims to further improve the installation convenience and the installation efficiency of a roller and a bearing of the existing roller conveyor and provides a composite riveting fastener for a roller bearing and an installation method thereof.
2. Technical scheme
In order to achieve the purpose, the technical scheme provided by the invention is as follows:
the invention relates to a roller bearing composite riveting fastener which comprises an outer sleeve, a middle expansion riveting component, outer side expansion riveting components, nuts and jackscrews, wherein the middle expansion riveting component is arranged in the middle of the inner part of the outer sleeve; wherein the content of the first and second substances,
the left end and the right end of the outer sleeve are respectively provided with a plurality of openings arranged along the axial direction, the left side and the right side of the middle expansion riveting component are respectively provided with expansion strips capable of expanding outwards through bolt rivet pulling, and the expansion strips on the two sides of the middle expansion riveting component respectively correspond to the openings of the corresponding ends of the outer sleeve; the outer side expansion riveting component is also provided with an expansion strip which can expand outwards for riveting, and the expansion strip of the outer side expansion riveting component corresponds to the opening position of the corresponding end of the outer sleeve; the nut and the external screw thread of outer sleeve pipe end portion revolve wrong cooperation, the internal screw thread of jackscrew and outer sleeve pipe end portion revolve wrong cooperation.
Furthermore, the middle expansion riveting assembly comprises a right flowering riveting shell, a right bolt pull rod, a left flowering riveting shell and a left bolt pull rod, wherein the right flowering riveting shell is fixedly connected with the left flowering riveting shell, a right expansion strip corresponding to the opening position on the outer sleeve is arranged on the right flowering riveting shell, and a left expansion strip corresponding to the opening position on the outer sleeve is arranged on the left flowering riveting shell; the right bolt pull rod and one end, close to the inside, of the right flowering riveting shell are axially and rotatably buckled together, the right bolt pull rod is in threaded fit with one end, close to the outside, of the right flowering riveting shell, and a right screw screwing part is arranged at one end, close to the outside, of the right bolt pull rod; left side bolt pull rod and left side bloom rivet the shell and lean on interior one end can the axial rotation ground lock together, left side bolt pull rod and left side bloom rivet the shell and lean on outer one end screw-thread fit, and lean on outer one end at left side bolt pull rod and be equipped with left side screw rod and revolve the portion of twisting.
Furthermore, the middle of the outer sleeve is provided with a pin hole, the right flowering riveting shell and the left flowering riveting shell are axially sleeved together, the right flowering riveting shell and the left flowering riveting shell are fixedly connected through a fixing pin, and the outer end of the fixing pin is arranged in the pin hole of the outer sleeve.
Furthermore, the right screw screwing part and the left screw screwing part both adopt inner hexagonal structures.
Furthermore, outside inflation riveting subassembly include that the outside blooms and rivets shell and outside bolt pull rod, the outside bloom rivet and be equipped with the outside inflation strip that corresponds with the open position on the outer tube on the shell, outside bolt pull rod and outside bloom rivet the shell and lean on interior one end screw-thread fit, outside bolt pull rod and outside bloom rivet the shell and lean on outer one end through outside screw rod and revolve the cooperation of twisting portion butt.
Furthermore, a guide convex block corresponding to the opening position on the outer sleeve is arranged on the outer side flowering riveting shell.
Furthermore, the outer screw screwing part adopts an inner hexagonal structure.
Furthermore, four openings are uniformly distributed on the outer sleeve along the circumferential direction, and four expansion strips are uniformly distributed on the expansion strips on the left side and the right side of the middle expansion riveting component and four expansion strips on the expansion riveting component on the outer side along the circumferential direction.
Furthermore, the jackscrew is provided with a conical expansion cap head with an outer diameter larger than the inner diameter of the outer sleeve.
The invention discloses an installation method of the roller bearing composite riveting fastener, which comprises the following steps:
s1, inserting an outer sleeve with a middle expansion riveting component in the middle from a shaft hole of a first rack side plate or a second rack side plate, and sequentially installing a middle roller bearing, a middle spacer bush and a middle roller at the inserting end of the outer sleeve, so that two ends of the middle roller are supported on the middle roller bearings on the left side and the right side, and the middle roller bearings on the left side and the right side are separated by the middle spacer bush; then the penetrating end of the outer sleeve penetrates out of the shaft hole of the other one of the first rack side plate and the second rack side plate;
s2, performing bolt rivet operation on the middle expansion riveting component from the two ends of the outer sleeve respectively to enable the expansion strips on the left side and the right side of the middle expansion riveting component to expand and extend out of the corresponding openings of the outer sleeve, and axially fixing the middle roller bearings on the two sides of the middle roller;
s3, respectively installing the outer side expansion riveting components from the two ends of the outer sleeve, and carrying out rivet pulling operation on the corresponding outer side expansion riveting components from the two ends of the outer sleeve, so that the expansion strips of the outer side expansion riveting components extend out of the corresponding openings of the outer sleeve in an expansion mode, and riveting and fixing the outer side expansion riveting components on the two sides with the corresponding first rack side plate and the second rack side plate;
and S4, sequentially sleeving an outer spacer bush and an outer roller bearing from two ends of the outer sleeve respectively, and then screwing nuts and jackscrews at two ends of the outer sleeve respectively to fix the outer roller bearing at the corresponding end on the outer sleeve.
3. Advantageous effects
Compared with the prior art, the technical scheme provided by the invention has the following remarkable effects:
(1) the invention relates to a composite riveting fastener for a roller bearing and an installation method thereof, wherein the composite riveting fastener comprises an outer sleeve, a middle expansion riveting component, an outer expansion riveting component, a nut and a jackscrew, the middle expansion riveting component is installed in the middle of the inner part of the outer sleeve, the left side and the right side of the inner part of the outer sleeve are respectively provided with a group of outer expansion riveting components, the left side and the right side of the outer sleeve are respectively provided with a group of nuts and jackscrews, the outer sleeve, the middle expansion riveting component and the outer expansion riveting components are combined to form the composite riveting fastener, the middle expansion riveting component can directly complete the installation of a group of rollers on the outer sleeve, the outer expansion riveting component is used for realizing the riveting and fixing with a side plate of a rack, the outer roller bearing can be installed at the two ends of the outer sleeve by using the nuts and the jackscrews, and the roller expanding installation of a multi-row roller conveyor is realized, by adopting the composite riveting fastener, the roller mounting step of the existing roller conveyor is simplified, and the mounting convenience and mounting efficiency of the roller and the bearing are further improved;
(2) according to the roller bearing composite riveting fastener, the middle expansion riveting component comprises the right-side flowering riveting shell, the right-side bolt pull rod, the left-side flowering riveting shell and the left-side bolt pull rod, the outer-side expansion riveting component comprises the outer-side flowering riveting shell and the outer-side bolt pull rod, the middle expansion riveting component and the outer-side expansion riveting component are both designed by adopting expansion structures similar to lantern rivets, and the roller bearing composite riveting fastener is simple in structure and convenient to process and manufacture; the roller bearing can be conveniently installed and fixed on the side plate of the rack by matching with the opening design of the outer sleeve, and meanwhile, the support strength of the outer sleeve can be improved by the expansion riveting component in the outer sleeve, so that the roller and the bearing thereof are firmly and stably assembled;
(3) according to the composite riveting fastener for the roller bearing, the pin hole is formed in the middle of the outer sleeve, the right-side flowering riveting shell and the left-side flowering riveting shell are axially sleeved together, the right-side flowering riveting shell and the left-side flowering riveting shell are fixedly connected through the fixing pin, the outer end of the fixing pin is arranged in the pin hole of the outer sleeve, the fixing connection among the right-side flowering riveting shell, the left-side flowering riveting shell and the outer sleeve is realized through the fixing pin, the assembling operation is simple, the expansion strip on the flowering riveting shell corresponds to the opening position on the outer sleeve conveniently, and the composite riveting fastener is more convenient to manufacture;
(4) according to the roller bearing composite riveting fastener, the right screw screwing part and the left screw screwing part are both of the inner hexagonal structure, the outer screw screwing part is also of the inner hexagonal structure, so that an inner hexagonal wrench can be conveniently used for stretching into an outer sleeve to perform screwing operation, and the riveting operation of the composite riveting fastener is more convenient and flexible;
(5) according to the roller bearing composite riveting fastener, the outer side flowering riveting shell is also provided with the guide convex block corresponding to the opening position on the outer sleeve, the outer side expansion riveting component can be conveniently installed in the outer sleeve by using the guide convex block, and the expansion strip on the outer side flowering riveting shell is conveniently opposite to the opening position on the outer sleeve, so that the composite riveting fastener is convenient to assemble and use;
(6) according to the roller bearing composite riveting fastener, the jackscrew is provided with the conical expansion cap head with the outer diameter larger than the inner diameter of the outer sleeve, the jackscrew can improve the strength of the end part of the outer sleeve and play a role in supporting the inner hole of the end part of the outer sleeve, so that the nut can be stably connected with the end part of the outer sleeve, and meanwhile, the end part of the outer sleeve can be turned up by utilizing the conical expansion cap head, so that the nut is effectively prevented from loosening.
Drawings
FIG. 1 is a schematic illustration of a split configuration of a composite riveted fastener for a roller bearing in accordance with the present invention;
FIG. 2 is a schematic view of an assembly structure of a composite rivet fastener for a roller bearing according to the present invention;
FIG. 3 is a schematic cross-sectional structural view of a composite clinch fastener for a roller bearing of the present invention;
FIG. 4 is a schematic structural view of an intermediate expansion clinch assembly in a composite clinch fastener for roller bearings of the invention;
FIG. 5 is a cross-sectional structural schematic view of the intermediate expansion rivet assembly of FIG. 4;
FIG. 6 is a schematic structural view of an outboard expansion rivet assembly in a composite rivet fastener for roller bearings according to the invention;
FIG. 7 is a schematic view of a roller bearing composite clinch fastener of the present invention applied to a roller conveyor apparatus;
fig. 8 is a schematic sectional view of fig. 7.
The reference numerals in the schematic drawings illustrate:
1. an outer sleeve; 1-1, opening; 1-2, pin holes; 2. a middle expansion riveting component; 2-1, riveting a shell at the right side; 2-1-1, right expansion strip; 2-2, a right bolt pull rod; 2-2-1, right screw screwing part; 2-3, riveting a shell at the left side; 2-3-1, left expansion strip; 2-4, a left bolt pull rod; 2-4-1, a left screw screwing part; 2-5, a fixing pin; 3. an outboard expansion rivet assembly; 3-1, opening the outer side to rivet the shell; 3-1-1, a guide projection; 3-1-2, outer expansion strips; 3-2, an outer bolt pull rod; 3-2-1, an outer screw-screwing part; 4. a nut; 5. carrying out top thread; 6. a first frame side plate; 7. a second frame side plate; 8. a middle roller; 9. a middle roller bearing; 10. an outer roller bearing; 11. an outer spacer sleeve; 12. and a middle spacer sleeve.
Detailed Description
For a further understanding of the invention, reference should be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
[ examples ]
Referring to fig. 1 to 3, the composite riveting fastener for the roller bearing of the embodiment includes an outer sleeve 1, a middle expansion riveting component 2, an outer expansion riveting component 3, a nut 4 and a jackscrew 5, wherein the middle expansion riveting component 2 is installed in the middle of the inner part of the outer sleeve 1, a set of outer expansion riveting component 3 is respectively arranged on the left side and the right side of the inner part of the outer sleeve 1, and a set of nut 4 and jackscrew 5 are respectively arranged on the left side and the right side of the outer sleeve 1. The left end and the right end of the outer sleeve 1 are respectively provided with a plurality of openings 1-1 which are arranged along the axial direction, the openings 1-1 extend from the middle part of the outer sleeve 1 to the two ends and are communicated with the end part of the outer sleeve 1, the left side and the right side of the middle expansion riveting component 2 are respectively provided with expansion strips which can expand outwards through bolt pulling riveting, the expansion strips on the two sides of the middle expansion riveting component 2 respectively correspond to the openings 1-1 of the corresponding end of the outer sleeve 1, when the bolt pulling riveting is carried out, the expansion strips on the two sides of the middle expansion riveting component 2 can expand outwards and extend out of the openings 1-1, and a bearing and a roller which are arranged in the middle of the outer sleeve 1 can be fixed by utilizing the expansion of the expansion strips on the left side and the right side of the middle expansion riveting component 2. The outer side expansion riveting component 3 is also provided with an expansion strip which can expand outwards for riveting, the expansion strip of the outer side expansion riveting component 3 corresponds to the position of the opening 1-1 at the corresponding end of the outer sleeve 1, the structure and the principle of the middle expansion riveting component 2 are similar, when in riveting, the expansion strip of the outer side expansion riveting component 3 can expand outwards and extend out of the opening 1-1, and the expansion strip of the outer side expansion riveting component 3 is utilized to expand to rivet and fix the opposite parts; because outside inflation riveting subassembly 3 is closer to the tip of outer tube 1 than middle inflation riveting subassembly 2 relatively, therefore outside inflation riveting subassembly 3 except can adopting the bolt rivet structure similar to middle inflation riveting subassembly 2, also can adopt the expansion of pull rod rivet structure realization expansion strip. The two ends of the outer sleeve 1 are respectively provided with an internal thread and an external thread, the nut 4 is matched with the external thread at the end part of the outer sleeve 1 in a screwing mode, and the jackscrew 5 is matched with the internal thread at the end part of the outer sleeve 1 in a screwing mode. Utilize outer tube 1, middle inflation riveting subassembly 2 and the combination of outside inflation riveting subassembly 3 form compound riveting fastener, can directly accomplish the installation of a set of roller on outer tube 1 through middle inflation riveting subassembly 2, utilize outside inflation riveting subassembly 3 to realize the riveting fixed with the frame curb plate simultaneously, utilize nut 4 and jackscrew 5 can install outside roller bearing at outer tube 1's both ends, realize the roller extension installation of multirow roller conveyer, the roller installation step of current roller conveyer has been simplified, the installation convenience and the installation effectiveness of roller and bearing have further been improved. In addition, the middle expansion riveting component 2 and the outer expansion riveting component 3 are designed by expansion structures similar to lantern rivets, so that the structure is simple, and the processing and the manufacturing are convenient; the opening design of cooperation outer tube 1 can conveniently realize the installation of roller bearing on the frame curb plate fixed, and the inside inflation riveting subassembly of outer tube 1 also can improve the support intensity of outer tube 1 simultaneously, makes roller and bearing assembly firm stable.
As shown in fig. 3 to 5, in the present embodiment, the middle expansion riveting component 2 includes a right flowering riveting shell 2-1, a right bolt pull rod 2-2, a left flowering riveting shell 2-3, and a left bolt pull rod 2-4, the right flowering riveting shell 2-1 is coaxially and fixedly connected with the left flowering riveting shell 2-3, the right flowering riveting shell 2-1 is provided with a right expansion strip 2-1-1 corresponding to an opening 1-1 on the outer sleeve 1, and the left flowering riveting shell 2-3 is provided with a left expansion strip 2-3-1 corresponding to the opening 1-1 on the outer sleeve 1; the right bolt pull rod 2-2 and one end, close to the inside, of the right flowering riveting shell 2-1 are axially and rotatably buckled together, the right bolt pull rod 2-2 is in threaded fit with one end, close to the outside, of the right flowering riveting shell 2-1, a right screw screwing part 2-2-1 is arranged at one end, close to the outside, of the right bolt pull rod 2-2, and the two ends of the right flowering riveting shell 2-1 are close to each other through the rotation of the right screw screwing part 2-2-1, so that the right expansion strip 2-1-1 is forced to expand and deform outwards; the left bolt pull rod 2-4 and the inner end of the left flowering riveting shell 2-3 can be axially and rotatably buckled together, the left bolt pull rod 2-4 is in threaded fit with the outer end of the left flowering riveting shell 2-3, a left screw screwing part 2-4-1 is arranged at the outer end of the left bolt pull rod 2-4, the left bolt pull rod 2-4 is rotated through the left screw screwing part 2-4-1, the two ends of the left flowering riveting shell 2-3 are close to each other, and then the left expansion strip 2-3-1 is forced to expand and deform outwards. Furthermore, in order to facilitate the manufacture of the fastener, a pin hole 1-2 (shown in fig. 1) is arranged in the middle of the outer sleeve 1, the right flowering rivet shell 2-1 and the left flowering rivet shell 2-3 are axially sleeved together (shown in fig. 5), the right flowering rivet shell 2-1 and the left flowering rivet shell 2-3 are fixedly connected through a fixing pin 2-5, and the outer end of the fixing pin 2-5 is arranged in the pin hole 1-2 of the outer sleeve 1. When the device is manufactured, a right screw screwing part 2-2-1 of a right bolt pull rod 2-2 is penetrated from the inner end of a right flowering riveting shell 2-1, the right bolt pull rod 2-2 is in threaded connection with the outer end of the right flowering riveting shell 2-1, a left bolt pull rod 2-4 and a left flowering riveting shell 2-3 are assembled together in the same way, then the inner ends of the right flowering riveting shell 2-1 and the left flowering riveting shell 2-3 are sleeved and assembled, the assembly is arranged in an outer sleeve 1, the pin hole positions of the right flowering riveting shell 2-1, the left flowering riveting shell 2-3 and the outer sleeve 1 are adjusted, a fixing pin 2-5 is inserted and fixed, the fixing pin 2-5 is used for realizing the fixed connection of the right flowering riveting shell 2-1, the left flowering riveting shell 2-3 and the outer sleeve 1, the assembly operation is simple, the expansion strips on the blooming rivet shell correspond to the opening positions on the outer sleeve 1, and the composite riveting fastener is more convenient to manufacture. The right screw screwing part 2-2-1 and the left screw screwing part 2-4-1 both adopt an inner hexagonal structure, so that an inner hexagonal wrench can conveniently extend into the outer sleeve 1 to perform screwing operation, and the riveting operation of the composite riveting fastener is more convenient and flexible.
As shown in fig. 3 and fig. 6, in the present embodiment, the outer expanding riveting component 3 adopts a screw riveting structure similar to the middle expanding riveting component 2, and includes an outer split riveting shell 3-1 and an outer bolt pull rod 3-2, the outer expanding strip 3-1-2 corresponding to the position of the opening 1-1 on the outer sleeve 1 is provided on the outer split riveting shell 3-1, the outer bolt pull rod 3-2 is in screw fit with an inner end of the outer split riveting shell 3-1, and the outer bolt pull rod 3-2 is in abutting fit with an outer end of the outer split riveting shell 3-1 through an outer screw screwing part 3-2-1. The outer bolt pull rod 3-2 is rotated through the outer screw screwing part 3-2-1, so that two ends of the outer side flower riveting shell 3-1 are close to each other, and the outer side expansion strip 3-1-2 is forced to expand and deform outwards. The outer screw screwing part 3-2-1 is also preferably of an inner hexagonal structure, so that an inner hexagonal wrench can be conveniently extended into the outer sleeve 1 for screwing operation, and the riveting operation of the composite riveting fastener is more convenient and flexible. In addition, a guide bump 3-1-1 corresponding to the position of an opening 1-1 on the outer sleeve 1 is further arranged on the outer side flower riveting shell 3-1, the outer side expansion riveting component 3 can be conveniently installed in the outer sleeve 1 by utilizing the guide bump 3-1-1, and an expansion strip on the outer side flower riveting shell 3-1 is conveniently opposite to the position of the opening on the outer sleeve 1, so that the assembly and the use of the composite riveting fastener are facilitated.
The composite riveting fastener for the roller bearing has the advantages that four openings 1-1 in the outer sleeve 1 are uniformly distributed along the circumferential direction, and four expansion strips on the left side and the right side of the middle expansion riveting component 2 and four expansion strips on the outer expansion riveting component 3 are uniformly distributed along the circumferential direction. The design of four openings 1-1 is adopted on the outer sleeve 1, so that the outer sleeve 1 is ensured to have enough structural strength, and the expansion strip is ensured to have enough riveting strength. In addition, as a preferred embodiment, the jackscrew 5 has a cone-shaped expansion cap head with an outer diameter larger than the inner diameter of the outer sleeve 1, and in the screwing process of the jackscrew 5, the jackscrew 5 can tightly support the outer sleeve 1, so that the nut 4 is firmly and reliably connected, and the jackscrew 5 can not only improve the strength of the end part of the outer sleeve 1 and support the inner hole at the end part of the outer sleeve 1, so that the nut 4 can be stably connected with the end part of the outer sleeve 1, but also can turn up the end part of the outer sleeve 1 by using the cone-shaped expansion cap head, thereby effectively preventing the nut 4 from loosening.
As shown in fig. 7 and 8, the present embodiment further discloses a method for installing a composite rivet fastener for a roller bearing, comprising the steps of:
s1, inserting the outer sleeve 1 with the middle expansion riveting component 2 in the middle through the shaft hole of the first frame side plate 6 or the second frame side plate 7, and sequentially installing a middle roller bearing 9, a middle spacer bush 12 and a middle roller 8 at the inserting end of the outer sleeve 1, so that two ends of the middle roller 8 are supported on the middle roller bearings 9 at the left side and the right side, and the middle roller bearings 9 at the left side and the right side are separated by the middle spacer bush 12; then the penetrating end of the outer sleeve 1 penetrates out of the shaft hole of the other one of the first rack side plate 6 and the second rack side plate 7;
s2, performing bolt rivet operation on the middle expansion riveting component 2 from two ends of the outer sleeve 1 respectively, so that the expansion strips on the left side and the right side of the middle expansion riveting component 2 expand to extend out of the corresponding opening 1-1 of the outer sleeve 1, and axially fixing the middle roller bearings 9 on two sides of the middle roller 8; specifically, through the respective screwing operations of the right screw screwing part 2-2-1 and the left screw screwing part 2-4-1, as the expansion strip part on the middle expansion riveting component 2 is limited by the middle roller bearing 9 and the middle spacer sleeve 12, after the expansion strip is extruded, the expansion strip positioned on the outer side of the middle roller bearing 9 expands outwards to lock the middle roller bearings 9 on the two sides;
s3, respectively installing the outer side expansion riveting components 3 from the two ends of the outer sleeve 1, and carrying out rivet pulling operation on the corresponding outer side expansion riveting components 3 from the two ends of the outer sleeve 1 to enable the expansion strips of the outer side expansion riveting components 3 to expand and extend out of the corresponding openings 1-1 of the outer sleeve 1, and carrying out rivet fixing on the outer side expansion riveting components 3 on the two sides and the corresponding first rack side plate 6 and second rack side plate 7; specifically, the outer expansion strip 3-1-2 is expanded through the screwing operation of the outer screw screwing part 3-2-1, and the first rack side plate 6 or the second rack side plate 7 is clamped and fixed by the expanded outer expansion strip 3-1-2 and the outer screw screwing part 3-2-1 or the guide bump 3-1-1;
s4, sequentially sleeving an outer spacer 11 and an outer roller bearing 10 from two ends of an outer sleeve 1, screwing a nut 4 and a jackscrew 5 at two ends of the outer sleeve 1, fixing the outer roller bearing 10 at the corresponding end on the outer sleeve 1, and locking the outer roller bearing 10 on the outer sleeve 1 by using the nut 4 and the jackscrew 5.
After the outer roller bearing 10 is installed, the outer roller bearing 10 can be reused on two sides to install the outer roller according to requirements, and the bearing at the other end of the outer roller can be installed by adopting the patent number ZL202010115074.5 and the invention and creation name of 'a combined rivet applied to riveting the roller bearing and a riveting method thereof'.
According to the roller bearing composite riveting fastener and the installation method thereof, the outer sleeve, the middle expansion riveting component and the outer expansion riveting component are combined to form the composite riveting fastener, the middle expansion riveting component can directly complete installation of a group of rollers on the outer sleeve, meanwhile, the outer expansion riveting component is used for realizing riveting and fixing with a side plate of a rack, the outer roller bearings can be installed at two ends of the outer sleeve by nuts and jackscrews, roller expansion installation of a multi-row roller conveyor is realized, roller installation steps of the existing roller conveyor are simplified, and installation convenience and installation efficiency of rollers and bearings are further improved.
The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching, without departing from the spirit of the invention, the person skilled in the art shall not inventively design the similar structural modes and embodiments to the technical solution, but shall fall within the scope of the invention.
Claims (10)
1. The utility model provides a compound riveting fastener of roller bearing which characterized in that: the riveting device comprises an outer sleeve (1), a middle expansion riveting component (2), an outer side expansion riveting component (3), nuts (4) and jackscrews (5), wherein the middle expansion riveting component (2) is arranged in the middle of the inner part of the outer sleeve (1), the left side and the right side of the inner part of the outer sleeve (1) are respectively provided with a group of outer side expansion riveting components (3), and the left side and the right side of the outer sleeve (1) are respectively provided with a group of nuts (4) and jackscrews (5); wherein the content of the first and second substances,
the left end and the right end of the outer sleeve (1) are respectively provided with a plurality of openings (1-1) which are arranged along the axial direction, the left side and the right side of the middle expansion riveting component (2) are respectively provided with expansion strips which can expand outwards through bolt rivet pulling, and the expansion strips at the two sides of the middle expansion riveting component (2) respectively correspond to the positions of the openings (1-1) at the corresponding ends of the outer sleeve (1); the outer side expansion riveting component (3) is also provided with an expansion strip which can expand outwards for riveting, and the expansion strip of the outer side expansion riveting component (3) corresponds to the position of the opening (1-1) at the corresponding end of the outer sleeve (1); the nut (4) is matched with the external thread at the end part of the outer sleeve (1) in a screwing mode, and the jackscrew (5) is matched with the internal thread at the end part of the outer sleeve (1) in a screwing mode.
2. A roller bearing composite rivet fastener according to claim 1, wherein: the middle expansion riveting component (2) comprises a right flowering riveting shell (2-1), a right bolt pull rod (2-2), a left flowering riveting shell (2-3) and a left bolt pull rod (2-4), the right flowering riveting shell (2-1) is fixedly connected with the left flowering riveting shell (2-3), a right expansion strip (2-1-1) corresponding to the position of an opening (1-1) in the outer sleeve (1) is arranged on the right flowering riveting shell (2-1), and a left expansion strip (2-3-1) corresponding to the position of the opening (1-1) in the outer sleeve (1) is arranged on the left flowering riveting shell (2-3); the right bolt pull rod (2-2) and one end, close to the inner part, of the right flowering riveting shell (2-1) can be axially and rotatably buckled together, the right bolt pull rod (2-2) is in threaded fit with one end, close to the outer part, of the right flowering riveting shell (2-1), and a right screw rod screwing part (2-2-1) is arranged at one end, close to the outer part, of the right bolt pull rod (2-2); the left bolt pull rod (2-4) and the inner end of the left flowering riveting shell (2-3) can be axially and rotatably buckled together, the left bolt pull rod (2-4) is in threaded fit with the outer end of the left flowering riveting shell (2-3), and a left screw screwing part (2-4-1) is arranged at the outer end of the left bolt pull rod (2-4).
3. A roller bearing composite rivet fastener according to claim 2, wherein: the middle of the outer sleeve (1) is provided with a pin hole (1-2), the right-side flowering riveting shell (2-1) and the left-side flowering riveting shell (2-3) are axially sleeved together, the right-side flowering riveting shell (2-1) and the left-side flowering riveting shell (2-3) are fixedly connected through a fixing pin (2-5), and the outer end of the fixing pin (2-5) is arranged in the pin hole (1-2) of the outer sleeve (1).
4. A roller bearing composite rivet fastener according to claim 2, wherein: the right screw screwing part (2-2-1) and the left screw screwing part (2-4-1) both adopt inner hexagonal structures.
5. A roller bearing composite rivet fastener according to claim 1, wherein: the outer side expansion riveting component (3) comprises an outer side blooming riveting shell (3-1) and an outer side bolt pull rod (3-2), an outer side expansion strip (3-1-2) corresponding to the position of an opening (1-1) in the outer sleeve (1) is arranged on the outer side blooming riveting shell (3-1), the outer side bolt pull rod (3-2) is in threaded fit with one end, close to the inner side, of the outer side blooming riveting shell (3-1), and the outer end, close to the outer side, of the outer side bolt pull rod (3-2) and the outer side blooming riveting shell (3-1) is in butt fit through an outer side screw rod screwing part (3-2-1).
6. The roller bearing composite clinch fastener of claim 5, wherein: the outer side blooming rivet shell (3-1) is also provided with a guide convex block (3-1-1) corresponding to the position of the opening (1-1) on the outer sleeve (1).
7. The roller bearing composite clinch fastener of claim 6, wherein: the outer screw screwing part (3-2-1) adopts an inner hexagonal structure.
8. The roller bearing composite rivet fastener of any one of claims 1 to 7, wherein: four openings (1-1) on the outer sleeve (1) are uniformly distributed along the circumferential direction, and four expansion strips on the left side and the right side of the middle expansion riveting component (2) and four expansion strips on the outer expansion riveting component (3) are uniformly distributed along the circumferential direction.
9. The roller bearing composite clinch fastener of claim 8, wherein: the jackscrew (5) is provided with a conical expansion cap head with the outer diameter larger than the inner diameter of the outer sleeve (1).
10. A method of installing a roller bearing composite clinch fastener as claimed in any one of claims 1 to 9, including the steps of:
s1, inserting an outer sleeve (1) provided with a middle expansion riveting component (2) in the middle into a shaft hole of a first rack side plate (6) or a second rack side plate (7), and sequentially installing a middle roller bearing (9), a middle spacer bush (12) and a middle roller (8) at the inserting end of the outer sleeve (1) to support two ends of the middle roller (8) on the middle roller bearings (9) at the left side and the right side, wherein the middle roller bearings (9) at the left side and the right side are separated by the middle spacer bush (12); then the penetrating end of the outer sleeve (1) penetrates out of the shaft hole of the other one of the first rack side plate (6) and the second rack side plate (7);
s2, performing bolt rivet operation on the middle expansion riveting component (2) from two ends of the outer sleeve (1) respectively, so that expansion strips on the left side and the right side of the middle expansion riveting component (2) expand to extend out of corresponding openings (1-1) of the outer sleeve (1), and axially fixing middle roller bearings (9) on two sides of a middle roller (8);
s3, respectively installing the outer side expansion riveting components (3) from two ends of the outer sleeve (1), performing rivet pulling operation on the corresponding outer side expansion riveting components (3) from two ends of the outer sleeve (1), enabling expansion strips of the outer side expansion riveting components (3) to expand and extend out of corresponding openings (1-1) of the outer sleeve (1), and performing rivet fixing on the outer side expansion riveting components (3) on two sides and corresponding first rack side plates (6) and second rack side plates (7);
s4, sequentially sleeving an outer spacer bush (11) and an outer roller bearing (10) from two ends of an outer sleeve (1), screwing a nut (4) and a jackscrew (5) at two ends of the outer sleeve (1) respectively, and fixing the outer roller bearing (10) at the corresponding end on the outer sleeve (1).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210029847.7A CN114294310B (en) | 2022-01-12 | 2022-01-12 | Roller bearing composite riveting fastener and installation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210029847.7A CN114294310B (en) | 2022-01-12 | 2022-01-12 | Roller bearing composite riveting fastener and installation method thereof |
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|---|---|
| CN114294310B (en) | 2024-04-09 |
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