Outer-ring-free full-complement roller tool suitable for roller bearing

Abstract

The outer-ring-free full-complement roller tool comprises an assembling platform, a discharging mechanism, a guiding mechanism and a positioning mechanism, and is technically characterized in that an X-direction guiding groove is formed in the upper surface of the assembling platform, a base is arranged at the tail end of the X-direction guiding groove, and a circular positioning groove is formed in the upper surface of the base; the positioning mechanism comprises a protective sleeve arranged in the circular positioning groove and a positioning shaft arranged in the center of the circular positioning groove, an annular space for containing the bearing inner ring is formed between the protective sleeve and the positioning shaft, and a roller containing space is formed between the bearing inner ring and the protective sleeve. The upper surfaces of the base and the protective sleeve are provided with an X-direction guide-in groove communicating with the roller containing space and the X-direction guide groove. The guide mechanism comprises a fixed guide plate, a movable guide plate and an extrusion assembly, wherein the fixed guide plate and the movable guide plate are fixed to the two sides of the upper edge of the X-direction guide groove, and the extrusion assembly is arranged on the upper edge of the X-direction guide-in groove and located on the same side as the movable guide plate. The tool is good in guidance quality, wide in application range and high in working efficiency, and it is guaranteed that roller mounting operation is conducted stably.

Description

Technical Field

[0001] The utility model relates to the technical field of roller bearing assembly tooling, in particular to a full-fill roller tooling without an outer ring suitable for roller bearings. Background Art

[0002] The assembly of cylindrical roller bearings is mostly done manually, but manual assembly of rollers is costly, inefficient, has low assembly precision and is prone to causing work-related injuries.

[0003] CN 207447813 U discloses a short cylindrical full-fill roller bearing assembly machine, which includes a vibrating plate feeding mechanism and an electric control cabinet, an assembly mechanism is fixed on the operating table at the upper end of the electric control cabinet, a roller feeding pipe is connected between the vibrating plate feeding mechanism and the assembly mechanism, and the assembly mechanism includes a tooling bottom plate, on which a push cylinder, a top roller cylinder, a roller baffle plate, a roller storage tank and a roller assembly tool are arranged from right to left in sequence, a roller feeding guide groove is opened inward from the inner side of the roller assembly tool, a product inner ring placement groove is provided in the middle of the roller assembly tool, a roller arrangement groove connected to the roller feeding guide groove is provided along the outer circle of the product inner ring placement groove, and a loading cylinder is fixed in front of the roller storage tank, and when the rollers fill the roller storage tank, the loading cylinder pushes the roller storage tank to the same horizontal line as the roller feeding guide groove. The assembly machine is intended to speed up the operation efficiency and improve the operation safety. However, the following problems still exist: for cylindrical rollers of different sizes, the applicability of the guide structure is narrow, which can easily cause the rollers to disengage. Utility Model Content

[0004] The purpose of the utility model is to provide a full-fill roller fixture without outer ring suitable for roller bearings, which has a reasonable structure and reliable use to solve the above problems, has good guiding performance, a wide range of applications, ensures stable rolling operation, and has high work efficiency.

[0005] The technical solution of the utility model is:

[0006] A roller fixture without outer ring and full complement suitable for roller bearings, comprising an assembly platform, a blanking mechanism, a guiding mechanism and a positioning mechanism, the technical key points of which are: an X-direction guide groove is provided on the upper surface of the assembly platform and a base is provided at the end of the X-direction guide groove, a circular positioning groove is provided on the upper surface of the base, the positioning mechanism comprises a protective sleeve arranged in the circular positioning groove, a positioning shaft arranged at the center of the circular positioning groove, an annular space for placing the inner ring of the bearing is formed between the protective sleeve and the positioning shaft, a loading and rolling space is formed between the inner ring of the bearing and the protective sleeve, an X-direction introduction groove connecting the loading and rolling space and the X-direction guide groove is provided on the upper surfaces of the base and the protective sleeve, the guiding mechanism comprises a fixed guide plate fixed on one side of the upper edge of the X-direction guide groove, a movable guide plate fixed on the other side of the upper edge of the X-direction guide groove, an extrusion assembly arranged on the upper edge of the X-direction introduction groove and on the same side as the movable guide plate, the extrusion block of the extrusion assembly and the edge of the movable guide plate are located in the same vertical plane, and the fixed guide plate and the edge of the X-direction introduction groove on the same side as the fixed guide plate are located in the same vertical plane.

[0007] The above-mentioned roller fixture without outer ring and full complement suitable for roller bearings has a positioning boss on the bottom surface of the positioning shaft, a center hole in the center of the positioning shaft, a positioning screw in the center hole, a groove corresponding to the positioning boss on the bottom surface of the circular positioning groove of the base, and a fixing hole corresponding to the positioning screw on the bottom surface of the groove.

[0008] The above-mentioned roller fixture without outer ring and full complement suitable for roller bearings has a radial groove connected to the circular positioning groove on the upper surface of the base, a limit screw is arranged in the radial groove, and a limit hole corresponding to the limit screw is arranged on the side wall of the protection sleeve, the nut of the limit screw is located in the radial groove, and the screw section is screwed into the limit hole to prevent the protection sleeve from rotating.

[0009] The above-mentioned roller fixture without outer ring and full-filled roller bearing is suitable for roller bearings. The upper surface of the assembly platform is provided with Y-direction elongated positioning holes corresponding to the movable guide plate and the fixed guide plate. The fastening screws pass through the flat washers and the Y-direction elongated positioning holes and are connected and fixed to the assembly platform.

[0010] The above-mentioned fully loaded roller fixture without outer ring suitable for roller bearings, the unloading mechanism includes a gate-shaped bracket, a unloading pipe column arranged on the upper surface of the gate-shaped bracket, and a unloading hopper arranged on the upper end of the unloading pipe column, the lower end of the gate-shaped bracket is fixedly connected to the upper surface of the movable guide plate and the fixed guide plate, the lower end of the unloading pipe column is located directly above the guide channel formed by the movable and fixed guide plates, and the lower end of the gate-shaped bracket is provided with a Y-direction adjustment hole corresponding to the mounting screw.

[0011] The above-mentioned roller fixture without outer ring and full complement suitable for roller bearings, the upper surface of the gate-shaped bracket is provided with a fixing hole corresponding to the unloading pipe column, a Y-direction groove connected to the fixing hole, and an X-direction screw hole connected to the two side walls of the Y-direction groove, and the screw section of the locking screw is screwed and fixed to the X-direction screw hole to clamp the unloading pipe column.

[0012] The above-mentioned roller fixture without outer ring and full-filled roller bearing is suitable for roller bearings. The movable guide plate and the fixed guide plate support a movable pusher block. The movable pusher block is provided with a push rod part for pushing the roller. The movable pusher block can use a cylinder or manual pushing.

[0013] The above-mentioned full-complement roller fixture without outer ring suitable for roller bearings, the extrusion assembly includes a pressure plate fixed to the upper surface of the base, and an extrusion block located between the pressure plate and the upper surface of the base.

[0014] The beneficial effects of the utility model are:

[0015] The movable guide plate with adjustable position is used in conjunction with the fixed guide plate to adjust the width of the guide channel to ensure the guidance of the roller, and the extrusion block is used to adjust the clamping degree of the roller, so that cylindrical rollers of different sizes can stably pass through the guide channel and the X-direction guide groove into the roller loading space to avoid being out of the groove. It has a wide range of applications, ensures stable roller loading operation, and significantly improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 yes Figure 1 Top view of the .

[0018] In the figure: 1. base, 2. positioning shaft, 3. positioning screw, 4. bearing inner ring, 5. protective sleeve, 6. fastening screw, 7. assembly platform, 8. fixed guide plate, 9. flat washer, 10. door-shaped bracket, 11. unloading pipe column, 12. unloading hopper, 13. extrusion assembly, 14. limit screw, 15. radial groove, 16. roller, 17. X-direction introduction groove, 18. guide channel, 19. X-direction guide groove, 20. movable guide plate, 21. movable push block, 22. locking screw, 23. fixing hole, 24. Y-direction long positioning hole, 25. Y-direction adjustment hole, 26. mounting screw, 27. extrusion block. DETAILED DESCRIPTION

[0019] The utility model is described in detail according to the accompanying drawings of the specification.

[0020] like Figure 1 , Figure 2 As shown, the full-fill roller fixture without outer ring suitable for roller bearings includes an assembly platform 7, a feeding mechanism, a guiding mechanism and a positioning mechanism.

[0021] The upper surface of the assembly platform 7 is provided with an X-direction guide groove 19 and a base 1 is provided at the end of the X-direction guide groove 19, and the upper surface of the base 1 is provided with a circular positioning groove. The positioning mechanism includes a protective sleeve 5 provided in the circular positioning groove and a positioning shaft 2 provided at the center of the circular positioning groove. An annular space for placing the bearing inner ring 4 is formed between the protective sleeve 5 and the positioning shaft 2, and a rolling space is formed between the bearing inner ring 4 and the protective sleeve 5. An X-direction introduction groove 17 connecting the rolling space and the X-direction guide groove 19 is provided on the upper surface of the base 7 and the protective sleeve 5. The guiding mechanism includes a fixed guide plate 8 fixed to one side of the upper edge of the X-direction guide groove 19, a movable guide plate 20 fixed to the other side of the upper edge of the X-direction guide groove 19, and an extrusion assembly 13 provided on the upper edge of the X-direction introduction groove 17 and on the same side as the movable guide plate 20. The extrusion block 27 of the extrusion assembly 13 and the edge of the movable guide plate 20 are located in the same vertical plane, and the fixed guide plate 8 and the edge of the X-direction introduction groove 17 on the same side are located in the same vertical plane.

[0022] In this embodiment, the bottom surface of the positioning shaft 2 is provided with a positioning boss, the center of the positioning shaft 2 is provided with a center hole, a positioning screw 3 is provided in the center hole, the bottom surface of the circular positioning groove of the base 1 is provided with a groove corresponding to the positioning boss, and the bottom surface of the groove is provided with a fixing hole corresponding to the positioning screw 3. The upper surface of the base 1 is provided with a radial groove 15 connected to the circular positioning groove, a limiting screw 14 is provided in the radial groove 15, and a limiting hole corresponding to the limiting screw 14 is provided on the side wall of the protective sleeve 5. The nut of the limiting screw 14 is located in the radial groove 15, and the screw section is screwed into the limiting hole. To prevent the protective sleeve 5 from rotating.

[0023] The upper surface of the assembly platform 7 is provided with a Y-direction elongated positioning hole 24 corresponding to the movable guide plate 20 and the fixed guide plate 8, and the fastening screw 6 is connected and fixed to the assembly platform 7 after passing through the flat washer 9 and the Y-direction elongated positioning hole 24. The unloading mechanism includes a gate-shaped bracket 10, a unloading pipe column 11 provided on the upper surface of the gate-shaped bracket 10, and a unloading hopper 12 provided on the upper end of the unloading pipe column 11. The lower end of the gate-shaped bracket 10 is fixedly connected to the upper surfaces of the movable guide plate 20 and the fixed guide plate 8. The lower end of the unloading pipe column 11 is located directly above the guide channel formed by the movable and fixed guide plates. The lower end of the gate-shaped bracket 10 is provided with a Y-direction adjustment hole 25 corresponding to the mounting screw 26. The upper surface of the gate-shaped bracket 10 is provided with a fixing hole 23 corresponding to the unloading pipe column 11, a Y-direction groove connected to the fixing hole 23, and an X-direction screw hole connected to the two side walls of the Y-direction groove. The screw section of the locking screw 22 is screwed and fixed to the X-direction screw hole to clamp the unloading pipe column 11.

[0024] The movable guide plate 20 and the fixed guide plate 8 support a movable pusher block 21, and the movable pusher block 20 is provided with a push rod portion for pushing the roller 16. The movable pusher block 20 can use a cylinder or manual pusher. The extrusion assembly includes a pressing plate fixed to the upper surface of the base 1 and an extrusion block 27 located between the pressing plate and the upper surface of the base 1. The extrusion block 27 can squeeze the roller under the push of a spring (not shown in the figure) fixed to the base 1 to increase the friction force.

[0025] Working principle:

[0026] When in use, the cylindrical roller 16 is lowered into the guide channel 18 through the discharge hopper 12 and the discharge pipe column 11. The entire guide channel and the X-direction introduction groove 17 are first manually filled with cylindrical rollers 16. Then, after the cylindrical rollers 16 are discharged, they are pushed toward the cylindrical rollers 16 arranged in front by the push rod part of the movable pushing block 21. During the pushing process, the cylindrical rollers 16 are pushed into the entire roller loading space in turn to achieve the operation of fully loading rollers.

[0027] The above is a detailed description of the embodiments of the utility model, but the above contents are only preferred embodiments of the utility model and cannot be considered to limit the scope of implementation of the utility model. All equivalent changes and improvements made within the scope of the invention of the utility model should still fall within the scope of this patent.

Claims

1. A roller fixture without outer ring for roller bearings, comprising an assembly platform, a material discharge mechanism, a guide mechanism and a positioning mechanism, characterized in that: An X-direction guide groove is provided on the upper surface of the assembly platform and a base is provided at the end of the X-direction guide groove, a circular positioning groove is provided on the upper surface of the base, the positioning mechanism includes a protective sleeve arranged in the circular positioning groove, a positioning shaft arranged at the center of the circular positioning groove, an annular space for placing the inner ring of the bearing is formed between the protective sleeve and the positioning shaft, a rolling space is formed between the inner ring of the bearing and the protective sleeve, an X-direction introduction groove connecting the rolling space and the X-direction guide groove is provided on the upper surface of the base and the protective sleeve, the guiding mechanism includes a fixed guide plate fixed on one side of the upper edge of the X-direction guide groove, a movable guide plate fixed on the other side of the upper edge of the X-direction guide groove, an extrusion assembly arranged on the upper edge of the X-direction introduction groove and on the same side of the movable guide plate, the extrusion block of the extrusion assembly and the edge of the movable guide plate are located in the same vertical plane, and the fixed guide plate and the edge of the X-direction introduction groove on the same side as the fixed guide plate are located in the same vertical plane.

2. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The bottom surface of the positioning shaft is provided with a positioning boss, the center of the positioning shaft is provided with a center hole, a positioning screw is provided in the center hole, the bottom surface of the circular positioning groove of the base is provided with a groove corresponding to the positioning boss, and the bottom surface of the groove is provided with a fixing hole corresponding to the positioning screw.

3. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The upper surface of the base is provided with a radial groove connected to the circular positioning groove, a limit screw is provided in the radial groove, a limit hole corresponding to the limit screw is provided on the side wall of the protective sleeve, the nut of the limit screw is located in the radial groove, and the screw section is screwed into the limit hole.

4. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The upper surface of the assembly platform is provided with Y-direction elongated positioning holes corresponding to the movable guide plate and the fixed guide plate, and the fastening screws are connected and fixed to the assembly platform after passing through the flat washers and the Y-direction elongated positioning holes.

5. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The unloading mechanism includes a gate-shaped bracket, a unloading pipe column arranged on the upper surface of the gate-shaped bracket, and a unloading hopper arranged on the upper end of the unloading pipe column. The lower end of the gate-shaped bracket is fixedly connected to the upper surfaces of the movable guide plate and the fixed guide plate. The lower end of the unloading pipe column is located directly above the guide channel formed by the movable and fixed guide plates. The lower end of the gate-shaped bracket is provided with a Y-direction adjustment hole corresponding to the mounting screw.

6. The full complement roller fixture without outer ring suitable for roller bearings according to claim 5, characterized in that: The upper surface of the door-shaped bracket is provided with a fixing hole corresponding to the unloading pipe column, a Y-direction groove connected to the fixing hole, and an X-direction screw hole connected to the two side walls of the Y-direction groove, and the screw section of the locking screw is screwed and fixed to the X-direction screw hole.

7. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The movable guide plate and the fixed guide plate support a movable pushing block, and the movable pushing block is provided with a push rod portion for pushing the roller.

8. The full complement roller fixture without outer ring suitable for roller bearings according to claim 1, characterized in that: The extrusion assembly comprises a pressing plate fixed on the upper surface of the base and an extrusion block located between the pressing plate and the upper surface of the base.

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