Outer wall grinding device for needle roller gear supporting shaft sleeve
By employing three parallel grinding rollers and multi-stage transmission helical gears in the needle roller bushing grinding device, the problems of low grinding efficiency and unstable operation in the prior art have been solved, achieving a high-efficiency and stable grinding effect.
Patent Information
- Application Number
- CN202422002090.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-19
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-08-19
AI Technical Summary
The existing needle roller bushing grinding device has low grinding efficiency and unstable operation, and the excessive motor speed affects the grinding effect.
Three grinding rollers are arranged side by side and connected by a multi-stage transmission helical gear to achieve reverse rotation and speed control of the grinding rollers, thereby improving grinding efficiency and stability.
It achieves improved grinding efficiency and refined grinding effect, with a simple structure and convenient assembly. The grinding roller runs smoothly and the speed is controlled within the preset range.
Smart Images

Figure CN223947576U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of grinding device, concretely relates to a kind of outer wall grinding device of needle roller gear support shaft sleeve. BACKGROUND
[0002] The needle roller shaft sleeve includes a support shaft sleeve. During the manufacturing process of the support shaft sleeve, the outer wall of the support shaft sleeve needs to be ground to achieve a smooth outer wall of the support shaft sleeve. In one prior art, the support shaft sleeve grinding device includes two grinding rollers arranged side by side. The support shaft sleeve is placed between the two grinding rollers to grind the outer wall of the support shaft sleeve. However, in this prior art, the grinding efficiency of the two grinding rollers is relatively low. Only a few support shaft sleeves can be placed between the two grinding rollers. Generally, the grinding time of the support shaft sleeve is long, which to some extent causes low grinding efficiency. In another prior art, the grinding roller is directly connected with the motor. The motor drives the grinding roller to rotate. However, this connection method or this grinding device is not stable enough in operation. Moreover, the motor speed is too high, which affects the grinding effect. SUMMARY
[0003] The utility model aims at solving the shortcomings in the prior art and provides an outer wall grinding device for a needle roller gear support shaft sleeve.
[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an outer wall grinding device for a needle roller gear support shaft sleeve, comprising a motor, a first grinding roller, a second grinding roller, and a third grinding roller. The first grinding roller, the second grinding roller, and the third grinding roller are arranged side by side. The motor drives the first grinding roller, the second grinding roller, and the third grinding roller to rotate. The rotation direction of the first grinding roller is opposite to that of the second grinding roller. The rotation direction of the third grinding roller is opposite to that of the second grinding roller.
[0005] Further, it further includes a motor, a first synchronous wheel, a first rotating shaft, and a second synchronous wheel. The first synchronous wheel is fixedly installed on the rotating shaft of the motor, so that the motor drives the first synchronous wheel to rotate. The second synchronous wheel is fixedly installed on the first rotating shaft. The first synchronous wheel and the second synchronous wheel are connected by a transmission belt, so that the motor drives the first synchronous wheel to rotate. The rotation of the first synchronous wheel drives the rotation of the second synchronous wheel. The rotation of the second synchronous wheel drives the rotation of the first rotating shaft.
[0006] Further, the first gear, the second gear, the second rotating shaft are further included, the first gear is fixedly sleeved on one end of the first rotating shaft, so that the first gear is fixedly installed on the first rotating shaft; the first grinding roller is fixedly sleeved on the second rotating shaft, and the second rotating shaft is exposed at both ends, and the second gear is fixedly installed on one end of the second rotating shaft; the first gear and the second gear are engaged, so that the first rotating shaft drives the first gear to rotate when rotating, and the first gear drives the second gear to rotate, thereby driving the first grinding roller to rotate.
[0007] Further, the third gear, the third rotating shaft, the fourth gear are further included, the third gear is fixedly installed on the other end of the second rotating shaft; the second grinding roller is fixedly sleeved on the third rotating shaft, so that the second grinding roller and the third rotating shaft are fixedly installed together, and the third rotating shaft is exposed at both ends; the fourth gear is fixedly installed on one end of the third rotating shaft; the third gear and the fourth gear are engaged, so that the third gear drives the fourth gear to rotate when rotating, thereby driving the second grinding roller to rotate.
[0008] Further, the fifth gear, the fourth rotating shaft, the sixth gear are further included, the fifth gear is fixedly installed on the other end of the third rotating shaft; the third grinding roller is fixedly sleeved on the fourth rotating shaft, so that the third grinding roller and the fourth rotating shaft are fixedly installed together, and the fourth rotating shaft is exposed at both ends; the sixth gear is fixedly installed on one end of the fourth rotating shaft, and the sixth gear and the fifth gear are engaged, so that the fifth gear drives the sixth gear to rotate when rotating, thereby driving the third grinding roller to rotate.
[0009] Further, the first gear and the second gear are helical gears.
[0010] Further, the third gear and the fourth gear are helical gears.
[0011] Further, the fifth gear and the sixth gear are helical gears.
[0012] Further, the first grinding roller, the second grinding roller, and the third grinding roller are fixedly installed on the rack.
[0013] The beneficial effects of the present application are: the outer wall grinding device of the needle roller bearing supporting shaft sleeve has the advantages of simple structure and easy assembly, and the grinding efficiency is greatly improved due to the three grinding rollers; in addition, the multi-stage transmission bevel gears are arranged on the grinding device, so that the operation of the grinding roller is more stable, and the speed of the grinding roller is controlled in the preset range through the speed reduction between the bevel gears, so that more fine grinding effect is achieved. BRIEF DESCRIPTION OF DRAWINGS
[0014] Fig. 1 A structural schematic view of the outer wall grinding device of the needle roller gear supporting shaft sleeve is provided.
[0015] Fig. 2 Another structural schematic view of the outer wall grinding device of the needle roller gear supporting shaft sleeve is provided.
[0016] Fig. 3 Another structural schematic view of the outer wall grinding device of the needle roller gear supporting shaft sleeve is provided. DETAILED DESCRIPTION
[0017] The present application will be further described in detail through specific embodiments combined with the drawings. In different embodiments, similar elements are associated with similar element reference numbers. In the following embodiments, many details are described in order to make the present application better understood. However, those skilled in the art can easily recognize that some features can be omitted in different cases, or can be replaced by other elements, materials, methods. In some cases, some operations related to the present application are not shown or described in the specification, in order to avoid the core part of the present application being overwhelmed by too much description, and it is not necessary to describe these related operations in detail for those skilled in the art according to the description in the specification and general technical knowledge in the art.
[0018] In addition, the features, operations or characteristics described in the specification can be combined in any appropriate way to form various embodiments, and the operation steps involved in each embodiment can also be sequentially adjusted or adjusted in a manner that is obvious to those skilled in the art. Therefore, the specification and drawings are only for the purpose of clearly describing one embodiment, and do not mean that the composition and / or order is necessary.
[0019] The serial numbers of components in this paper, such as "first", "second", etc., are only used to distinguish the described objects, and do not have any order or technical meaning. The "connection" and "coupling" in the present application include direct and indirect connection (coupling) unless otherwise specified.
[0020] Please refer toFigs. 1-3 The application provides an outer wall grinding device of a needle roller gear support shaft sleeve (hereinafter referred to as a grinding device), which comprises a motor 2, a first grinding roller 16, a second grinding roller 17 and a third grinding roller 18, the first grinding roller 16, the second grinding roller 17 and the third grinding roller 18 are arranged side by side, the motor 2 drives the first grinding roller 16, the second grinding roller 17 and the third grinding roller 18 to rotate, and the rotating direction of the first grinding roller 16 is opposite to that of the second grinding roller 17, and the rotating direction of the third grinding roller 18 is opposite to that of the second grinding roller 17.
[0021] In an embodiment of the application, the grinding device further comprises a motor 2, a first synchronous wheel 3, a first rotating shaft 6 and a second synchronous wheel 5, the first synchronous wheel 3 is fixedly installed on the rotating shaft of the motor 2, so that the motor 2 drives the first synchronous wheel 3 to rotate; the second synchronous wheel 5 is fixedly installed on the first rotating shaft 6, and the first synchronous wheel 3 and the second synchronous wheel 5 are connected through a transmission belt (not shown in the figure), so that the motor 2 drives the first synchronous wheel 3 to rotate, the first synchronous wheel 3 drives the second synchronous wheel 5 to rotate, and the second synchronous wheel 5 drives the first rotating shaft 6 to rotate.
[0022] In an embodiment of the application, the grinding device further comprises a first gear 7, a second gear 8 and a second rotating shaft 9, the first gear 7 is fixedly sleeved on one end of the first rotating shaft 6, so that the first gear 7 is fixedly installed on the first rotating shaft 6; the first grinding roller 16 is fixedly sleeved on the second rotating shaft 9, and the second rotating shaft 9 is exposed at both ends, and the second gear 8 is fixedly installed on one end of the second rotating shaft 9; the first gear 7 and the second gear 8 are engaged, so that the first rotating shaft 6 drives the first gear 7 to rotate when rotating, and the first gear 7 drives the second gear 8 to rotate, thereby driving the first grinding roller 16 to rotate.
[0023] In an embodiment of the application, the grinding device further comprises a third gear 10, a third rotating shaft 12 and a fourth gear 13, the third gear 10 is fixedly installed on the other end of the second rotating shaft 9; the second grinding roller 17 is fixedly sleeved on the third rotating shaft 12, so that the second grinding roller 17 and the third rotating shaft 12 are fixedly installed together, and the third rotating shaft 12 is exposed at both ends; the fourth gear 13 is fixedly installed on one end of the third rotating shaft 12; the third gear 10 and the fourth gear 13 are engaged, so that the third gear 10 drives the fourth gear 13 to rotate when rotating, thereby driving the second grinding roller 17 to rotate.
[0024] In one embodiment of the present application, the grinding device further comprises a fifth gear 11, a fourth rotating shaft 15, and a sixth gear 14, wherein the fifth gear 11 is fixedly installed on the other end of the third rotating shaft 12; the third grinding roller 18 is fixedly sleeved on the fourth rotating shaft 15, so that the third grinding roller 18 and the fourth rotating shaft 15 are fixedly installed together, and the fourth rotating shaft 15 is exposed at both ends; the sixth gear 14 is fixedly installed on one end of the fourth rotating shaft 15, and the sixth gear 14 and the fifth gear 11 are engaged, so that the fifth gear 11 drives the sixth gear 14 to rotate when the fifth gear 11 rotates, thereby driving the third grinding roller 18 to rotate.
[0025] In one embodiment of the present application, the first gear 7 and the second gear 8 are helical gears.
[0026] In one embodiment of the present application, the third gear 10 and the fourth gear 13 are helical gears.
[0027] In one embodiment of the present application, the fifth gear 11 and the sixth gear 14 are helical gears.
[0028] In one embodiment of the present application, the grinding device further comprises a rack 1, wherein the first grinding roller 16, the second grinding roller 17, and the third grinding roller 18 are fixedly installed on the rack 1.
[0029] The outer wall grinding device of the needle bearing supporting sleeve provided by the present application has the advantages of simple structure and easy assembly, and the grinding efficiency is greatly improved due to the three grinding rollers. In addition, the multi-stage transmission helical gears are arranged on the grinding device, so that the operation of the grinding rollers is more stable, and the speed of the grinding rollers is controlled within a preset range through the speed reduction between the helical gears, so as to achieve more fine grinding effect.
[0030] The above embodiments are only for illustrating the technical concept and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and implement it, and cannot limit the protection scope of the present application. Any equivalent changes or modifications made according to the spirit and essence of the present application should be covered within the protection scope of the present application.
Claims
1. An outer wall lapping device for a needle gear support bushing, characterized by, The device includes a motor, a first grinding roller, a second grinding roller, and a third grinding roller, arranged side by side. The motor drives the first, second, and third grinding rollers to rotate, with the rotation direction of the first and third grinding rollers opposite to that of the second and third grinding rollers. It also includes a motor, a first synchronous pulley, a first rotating shaft, and a second synchronous pulley. The first synchronous pulley is fixedly mounted on the rotating shaft of the motor, thereby causing the motor to drive the first synchronous pulley to rotate. The second synchronous pulley is fixedly mounted on the first rotating shaft. The first and second synchronous pulleys are connected by a transmission belt, so that the motor drives the first synchronous pulley to rotate, the rotation of the first synchronous pulley drives the second synchronous pulley to rotate, and the rotation of the second synchronous pulley drives the first rotating shaft to rotate.
2. The outer wall lapping device for a needle roller gear support bushing according to claim 1, characterized in that It also includes a first gear, a second gear, and a second rotating shaft. The first gear is fixedly sleeved on one end of the first rotating shaft, so that the first gear is fixedly mounted on the first rotating shaft. The first grinding roller is fixedly sleeved on the second rotating shaft, with both ends of the second rotating shaft exposed. The second gear is fixedly mounted on one end of the second rotating shaft. The first gear and the second gear mesh, so that when the first rotating shaft rotates, it drives the first gear to rotate. The rotation of the first gear drives the second gear to rotate, thereby driving the first grinding roller to rotate.
3. The outer wall lapping device for a needle roller gear support bushing according to claim 2, characterized in that It also includes a third gear, a third rotating shaft, and a fourth gear. The third gear is fixedly installed on the other end of the second rotating shaft. The second grinding roller is fixedly sleeved on the third rotating shaft, so that the second grinding roller and the third rotating shaft are fixedly installed together, and the two ends of the third rotating shaft are exposed. The fourth gear is fixedly installed on one end of the third rotating shaft. The third gear and the fourth gear mesh, so that when the third gear rotates, it drives the fourth gear to rotate, thereby driving the second grinding roller to rotate.
4. The outer wall lapping device for a needle roller gear support bushing according to claim 3, characterized in that It also includes a fifth gear, a fourth rotating shaft, and a sixth gear. The fifth gear is fixedly installed on the other end of the third rotating shaft. The third grinding roller is fixedly sleeved on the fourth rotating shaft, so that the third grinding roller and the fourth rotating shaft are fixedly installed together, and the fourth rotating shaft has both ends exposed. The sixth gear is fixedly installed on one end of the fourth rotating shaft, and the sixth gear meshes with the fifth gear, so that when the fifth gear rotates, it drives the sixth gear to rotate, thereby driving the third grinding roller to rotate.
5. The outer wall lapping device for a needle roller gear support bushing according to claim 4, characterized in that The first gear and the second gear are helical gears.
6. The outer wall lapping device for a needle roller gear support bushing according to claim 5, characterized in that The third gear and the fourth gear are helical gears.
7. The pin gear supported shaft sleeve outer wall lapping device of claim 6, wherein, The fifth and sixth gears are helical gears.
8. The outer wall lapping device for needle roller bearing support sleeves according to claim 1, characterized in that It also includes a frame, on which the first grinding roller, the second grinding roller, and the third grinding roller are all fixedly mounted.