CN112756637A

CN112756637A - Bearing inner race groove processing lathe

Info

Publication number: CN112756637A
Application number: CN202110120391.0A
Authority: CN
Inventors: 王春; 王力
Original assignee: Zhejiang Toman Precision Machinery Co Ltd
Current assignee: Zhejiang Toman Precision Machinery Co Ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-05-07
Anticipated expiration: 2041-01-28
Also published as: CN112756637B

Abstract

The invention provides a lathe for machining a bearing inner ring channel, which is characterized in that a driving assembly drives a first inclined wedge body to move along a first direction, and the first inclined wedge body and an inclined surface, close to each other, of a second inclined wedge body are matched in a sliding contact mode, so that the second inclined wedge body is forced to move along a second direction and towards a rolling piece through the first inclined wedge body until the second inclined wedge body reaches a preset position. And then, the rolling element moves along the first direction under the driving of the first carriage of the carriage mechanism, and the rolling element moves along the surface of the second inclined wedge body, which deviates from the first inclined wedge body, so that the purpose of adjusting the size distance of the second carriage along the second direction is achieved, and the automatic adjustment of the groove position size of a turning tool fixed on the second carriage in the groove position feeding direction is realized. Like this, then can make bearing inner race groove processing lathe, automatic adjustment ditch position size in the direction of ditch position feed, need not artifical manual regulation, size adjustment operation high efficiency, and size adjustment's precision is high.

Description

Bearing inner race groove processing lathe

Technical Field

The invention belongs to the technical field of bearing ring processing equipment, and particularly relates to a lathe for processing a bearing inner ring channel.

Background

In the process of processing the bearing inner ring, because the size requirement of the channel of the bearing inner ring is higher, the size of the processed inner ring is ensured to be within the dimensional tolerance required by a drawing, and two sizes of the channel are generally required to be strictly controlled: groove diameter and groove position. The current lathe for machining the groove of the bearing inner ring usually has a power source which is automatically adjusted only in the groove diameter feeding direction, but does not have a power source which is automatically adjusted in the groove position feeding direction. Therefore, an operator needs to loosen the screw for fixing the tool rest according to working experience, then the adjusting screw is rotated to adjust the groove position, and the operator often needs to adjust the groove position repeatedly for several times to meet the requirement. Because the impact force that lathe processing formed leads to the knife rest to very easily take place small deformation or displacement, need constantly carry out manual regulation to the knife, not only troublesome poeration, waste time and energy, moreover because the knife rest degree of deformation is less, manual regulation often can not adjust to the precision that needs in the precision grade that needs, and then influences bearing inner race's machining precision and quality.

Disclosure of Invention

The embodiment of the invention aims to provide a bearing inner ring groove processing lathe capable of automatically adjusting a groove position in a groove position feeding direction, and the lathe is used for solving the technical problems of troublesome operation and poor adjusting precision caused by the fact that the groove position adjustment in the prior art needs manual adjustment.

In order to achieve the purpose, the invention adopts the technical scheme that: provided is a bearing inner race groove machining lathe including:

turning a tool;

the lathe body comprises a support, an operating platform supported on the support and a spindle mechanism used for positioning the bearing inner ring and driving the bearing inner ring to rotate, wherein the spindle mechanism is arranged on the operating platform;

the carriage mechanism is arranged on the operating platform and used for driving the turning tool to turn the bearing inner ring on the main shaft mechanism, and comprises a first carriage for driving the turning tool to feed towards a channel of the bearing inner ring along a first direction, a power mechanism for driving the first carriage to move, and a second carriage which is arranged on the first carriage in a sliding manner along a second direction;

the tool rest is arranged on the second carriage, and the turning tool is arranged on the tool rest; and

the ditch position adjusting mechanism comprises a rolling component arranged on the first dragging plate, an adjusting component arranged on the operating platform and a driving component for driving the adjusting component to work, the rolling component comprises a support piece fixedly arranged on the second carriage and a rolling piece rotatably arranged on the support piece, the adjusting component comprises a fixed seat fixedly arranged on the lathe body and a first wedge body arranged on the fixed seat in a sliding manner along the first direction, and a second wedge body arranged on the fixed seat in a sliding manner along the second direction, wherein the first direction is perpendicular to the second direction, the driving assembly drives the first inclined wedge body to move along the first direction, so that the first inclined wedge body pushes the second inclined wedge body to move along the second direction and towards the rolling piece, and the second inclined wedge body is enabled to abut against the rolling piece.

Further, the groove position adjusting mechanism further comprises a pressure adjusting mechanism for adjusting pressing force between the first carriage and the second carriage.

Further, the pressure adjusting mechanism comprises an adjusting seat fixedly arranged on the first dragging plate and a bolt used for pushing and pulling the second dragging plate along a second direction, the bolt is rotatably arranged on the adjusting seat, and a first threaded hole matched and connected with the bolt is formed in the second dragging plate.

Further, the pressure adjusting mechanism further comprises a compression spring arranged between the adjusting seat and the second carriage, a first end of the compression spring elastically abuts against the adjusting seat, and a second end of the compression spring elastically abuts against one side, away from the rolling member, of the second carriage.

Furthermore, the driving assembly comprises a screw rod and a motor, the screw rod is axially parallel to the first direction, the motor drives the screw rod to rotate, a second threaded hole matched with the external thread of the screw rod is formed in the first wedge body, the first end of the screw rod is connected with the output end of the motor, and the second end of the screw rod is arranged in the second threaded hole.

Further, the ditch position adjusting mechanism further comprises a displacement detector for detecting the relative movement distance of the first carriage and the second carriage in the second direction, and a controller for controlling the motor to work according to the displacement information detected by the displacement detector, wherein the controller is electrically connected with the displacement detector and the motor respectively.

Furthermore, the trench position adjusting mechanism further comprises a display for displaying displacement data detected by the displacement detector, and the display is electrically connected with the displacement detector.

Further, first slide wedge body orientation a side of rolling member has first inclined plane, the second slide wedge body deviates from a side of rolling member has the second inclined plane, first inclined plane with second inclined plane sliding contact, just first inclined plane with the slope opposite direction on second inclined plane, the second slide wedge body orientation a side of rolling member is equipped with the confession respectively rolling member rolling contact's third inclined plane and conflict plane, conflict plane perpendicular to second direction, the third inclined plane with the conflict plane links up.

Furthermore, the ditch position adjustment mechanism still includes the elastic component that is used for with the second slide wedge body orientation first slide wedge body elasticity is pushed up, the elastic component install in on the fixing base.

Further, the rolling element is a bearing, the support element is a bearing seat, and the bearing is installed on the bearing seat.

Compared with the prior art, one or more technical schemes in the embodiment of the invention have at least one of the following beneficial effects:

according to the lathe for machining the bearing inner ring channel, the first inclined wedge body is driven by the driving assembly to move along the first direction, the inclined surfaces, close to each other, of the first inclined wedge body and the second inclined wedge body are matched in a sliding contact mode, the second inclined wedge body can be forced to move along the second direction and towards the rolling piece through the first inclined wedge body until the second inclined wedge body reaches the preset position. And then, the rolling element moves along the first direction under the driving of the first carriage of the carriage mechanism, and the rolling element moves along the surface of the second inclined wedge body deviating from the first inclined wedge body, so that the purpose of adjusting the size distance of the second carriage along the second direction is achieved, and the adjustment of the groove position size of the bearing inner ring channel is automatically carried out on the turning tool fixed on the second carriage in the groove position feeding direction. Like this, then can make bearing inner race ring channel processing lathe, automatic adjustment ditch position size in the direction of ditch position feed need not artifical manual regulation, and size adjustment operation is quick high-efficient, is favorable to improving the machining efficiency of bearing inner race ring, and the precision of size adjustment is high, guarantees the processingquality of bearing inner race ring.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic structural diagram of a bearing inner race groove machining lathe according to an embodiment of the present invention;

FIG. 2 is a schematic view of a portion A of FIG. 1;

FIG. 3 is a schematic perspective view of a carriage mechanism and a groove position adjusting mechanism according to an embodiment of the present invention;

FIG. 4 is another schematic perspective view of the carriage mechanism and the groove position adjusting mechanism according to the embodiment of the present invention;

FIG. 5 is a partially enlarged view of the portion B in FIG. 4;

FIG. 6 is a schematic cross-sectional view of a groove position adjusting mechanism according to an embodiment of the present invention;

fig. 7 is a schematic top view of the carriage mechanism and the groove position adjusting mechanism according to the embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

1-turning a tool;

2-a lathe body; 21-a scaffold; 22-an operation table; 23-a spindle mechanism;

3-a carriage mechanism; 31-a first carriage; 32-power mechanism; 33-a second carriage; 34-a linear slide rail mechanism; 4-a tool rest;

5-a trench position adjusting mechanism; 51-a rolling component; 511-a support; 512-rolling elements; 52-an adjustment assembly; 521-a fixed seat; 522-a first cam; 5221-second threaded hole; 5222-a first bevel; 523-second wedge; 5231-a first wedge block; 5232-a first wedge block; 5233-connecting column; 5234-a second bevel; 5235-a second bevel; 5236-interference plane; 53-a drive assembly; 531-lead screw; 532-electric machine; 54-an elastic member; 55-a displacement detector;

6-a pressure regulating mechanism; 61-an adjusting seat; 62-bolt; 63-a compression spring;

7-positioning post 20; 8-a slide hole; 9-through groove; 10-blind hole.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

It will be understood that when an element is referred to as being "connected" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in some embodiments" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

Referring to fig. 1 to 7 together, a lathe for machining a bearing inner race groove according to an embodiment of the present invention will now be described. Referring to fig. 1, fig. 2 and fig. 3, the lathe for machining a groove of a bearing inner race includes a lathe tool 1, a lathe body 2, a carriage mechanism 3, a tool rest 4 and a groove position adjusting mechanism 5, the lathe tool 1 can perform turning on the groove of the bearing inner race to form the lathe tool 1, the lathe body 2 includes a support 21, an operation table 22 supported on the support 21, and a spindle mechanism 23 for positioning the bearing inner race and driving the bearing inner race to rotate, and the spindle mechanism 23 is disposed on the operation table 22. The carriage mechanism 3 is arranged on the operation table 22 and used for driving the turning tool 1 to carry out turning processing on the bearing inner ring on the main shaft mechanism 23. Referring to fig. 1, fig. 3 and fig. 1, fig. 2 and fig. 4, the carriage mechanism 3 includes a first carriage 31 for driving the turning tool 1 to feed toward the channel of the inner race of the bearing along the first direction, a power mechanism 32 for driving the first carriage 31 to move, and a second carriage 33 slidably disposed on the first carriage 31 along the second direction. It can be understood that the second carriage 33 is slidably mounted on the first carriage 31 of the carriage mechanism 3 through a linear slide mechanism 34, and the first carriage 31 is slidably mounted on the operation table 22 of the lathe through the linear slide mechanism 34. The tool rest 4 is arranged on the second carriage 33, so that the turning tool 1 can be conveniently arranged on the second carriage 33 through the tool rest 4, and the power mechanism 32 can be, but is not limited to, a hydraulic oil cylinder. Referring to fig. 2, 5 and 6, the gutter-position adjusting mechanism 5 includes a rolling assembly 51 disposed on the first dragging plate 31, an adjusting assembly 52 disposed on the operating platform 22, and a driving assembly 53 for driving the adjusting assembly 52 to operate. The rolling assembly 51 includes a supporting member 511 fixedly disposed on the second carriage 33 and a rolling member 512 rotatably mounted on the supporting member 511, the adjusting assembly 52 includes a fixed seat 521 fixedly disposed on the lathe body 2, a first wedge 522 slidably disposed on the fixed seat 521 along a first direction, and a second wedge 523 slidably disposed on the fixed seat 521 along a second direction, it can be understood that the first direction is parallel to a groove diameter feeding direction of the second carriage 33 of the carriage mechanism 3, the second direction is parallel to a groove position feeding direction of the first carriage 31 of the carriage mechanism 3, and the first direction is perpendicular to the second direction, the driving assembly 53 drives the first wedge 522 to move along the first direction, so that the first wedge 523 pushes the second wedge 523 to move along the second direction and towards the rolling member 512, so that the second wedge 523 collides with the rolling member 512.

The basic working process of the bearing inner ring channel processing lathe provided by the embodiment of the invention is as follows: when the bearing inner ring channel is machined, the driving assembly 53 drives the first wedge 522 to move in the first direction, and since the first inclined surface 5222 of the first wedge 522 is in sliding contact with the second inclined surface 5234 of the second wedge 523 and the first inclined surface 5222 and the second inclined surface 5234 are opposite in gradient direction, the second wedge 523 is caused to move in the second direction and towards the rolling element 512 during the movement of the first wedge 522 until the second wedge 523 reaches the preset position. Referring to fig. 7, the power mechanism 32 drives the first dragging plate 31 located at the position of the point a to move along the first direction, and the rolling element 512 located at the initial position (the position of the point a) is driven by the first dragging plate 31 and moves along the first direction: when the rolling member 512 moves to the B-point position, the second inclined surface 5235 of the second inclined wedge 523 may abut against the rolling member 512 in the second direction. At this time, the second carriage 33 slidably mounted on the first carriage 31 has both movements in the first direction and in the second direction. That is, the rolling element 512 rolls smoothly to the abutting plane 5236 of the second wedge 523 under the guidance of the second inclined plane 5235 of the second wedge 523, and drives the second carriage 33 of the carriage mechanism 3 to move a small distance along the second direction, so as to realize the adjustment of the groove position size of the channel of the inner ring of the bearing in the groove position feeding direction of the turning tool 1 fixed on the second carriage 33. Next, when the rolling member 512 moves to the position of the point C, the first carriage 31 of the carriage mechanism 3 continues to drive the rolling member 512 to move along the first direction, and the rolling member 512 can continue to roll along the abutting plane 5236 of the second inclined wedge 523, and because the abutting plane 5236 of the second inclined wedge 523 is parallel to the first direction, the rolling member 512 cannot drive the second carriage 33 of the carriage mechanism 3 to move along the second direction under the abutting action of the abutting plane 5236 of the second inclined wedge 523. When the rolling element 512 moves to the position of the D point, the turning tool 1 on the second carriage 33 starts to turn the channel of the bearing inner ring with the adjusted size until the rolling element 512 moves to the position of the E point, the processing of the bearing inner ring is completed, and the first carriage 31 of the carriage mechanism 3 drives the rolling element 512 and the turning tool 1 to return to the initial position.

Compared with the prior art, the lathe for machining the bearing inner ring channel provided by the embodiment of the invention has the advantages that the first wedge 522 is driven to move along the first direction by the driving assembly 53, and the second wedge 523 is forced to move along the second direction and towards the rolling element 512 by the first wedge 522 by utilizing the mutual close inclined surface sliding contact fit of the first wedge 522 and the second wedge 523 until the second wedge 523 reaches the preset position. Next, the rolling element 512 is driven by the first carriage 31 of the carriage mechanism 3 to move along the first direction, and the rolling element 512 moves along the surface of the second inclined wedge 523 departing from the first inclined wedge 522, so as to achieve the purpose of adjusting the dimension distance of the second carriage 33 along the second direction, and further achieve the purpose of automatically adjusting the groove position dimension of the bearing inner ring channel in the groove position feeding direction of the turning tool 1 fixed on the second carriage 33. Like this, then can make bearing inner race ring channel processing lathe, automatic adjustment ditch position size in the direction of ditch position feed need not artifical manual regulation, and size adjustment operation is quick high-efficient, is favorable to improving the machining efficiency of bearing inner race ring, and the precision of size adjustment is high, guarantees the processingquality of bearing inner race ring.

Referring to fig. 3 and 7, in some embodiments, the groove position adjusting mechanism 5 further includes a pressure adjusting mechanism 6 for adjusting a pressing force between the first carriage 31 and the second carriage 33. In this embodiment, by adopting the above scheme, the pressure adjusting mechanism 6 is arranged between the first carriage plate 31 and the second carriage plate 33, and the pressing force between the first carriage plate 31 and the second carriage plate 33 is adjusted by the pressure adjusting mechanism 6, so as to avoid an excessive pushing force of the groove position adjusting mechanism 5 on the second carriage plate 33, effectively control the magnitude of the force on the second carriage plate 33, and ensure the stable reliability of the turning of the channel of the bearing inner ring by the turning tool 1 on the second carriage plate 33.

Referring to fig. 3 and 7, in some embodiments, the pressure adjusting mechanism 6 includes an adjusting seat 61 fixedly disposed on the first carriage 31, and a bolt 62 for pushing and pulling the second carriage 33 along the second direction, the bolt 62 is rotatably mounted on the adjusting seat 61, and the second carriage 33 is provided with a first threaded hole (not shown) for engaging with the bolt 62. In this embodiment, by adopting the above-mentioned scheme, only the bolt 62 mounted on the adjusting seat 61 needs to be rotated, and the bolt 62 is in threaded connection and matching with the first threaded hole on the second carriage 33, so as to push and pull the second carriage 33 in the second direction, adjust the dimension distance between the first carriage 31 and the second carriage 33, and adjust the pressing force between the first carriage 31 and the second carriage 33, so as to avoid the overlarge acting force of the groove position adjusting mechanism 5 on pushing the second carriage 33, effectively control the magnitude of the force on the second carriage 33, and ensure the stable reliability of the turning process of the lathe tool 1 on the second carriage 33 on the channel of the bearing inner race.

Referring to fig. 3 and 7, in some embodiments, the pressure adjusting mechanism 6 further includes a compression spring 63 disposed between the adjusting seat 61 and the second carriage 33, a first end of the compression spring 63 elastically abuts against the adjusting seat 61, and a second end of the compression spring 63 elastically abuts against a side of the second carriage 33 away from the rolling element 512. In this embodiment, by adopting the above scheme, the compression spring 63 is arranged between the adjusting seat 61 and the second carriage 33, a first end of the compression spring 63 elastically abuts against the adjusting seat 61, a second end of the compression spring 63 elastically abuts against one side of the second carriage 33 away from the rolling element 512, and the compression spring 63 elastically adjusts the pressing force between the first carriage 31 and the second carriage 33, so as to avoid an excessive pushing force of the groove position adjusting mechanism 5 on the second carriage 33, effectively control the magnitude of the force on the second carriage 33, and further ensure the stable reliability of the turning of the lathe tool 1 on the second carriage 33 on the channel of the bearing inner race.

Referring to fig. 2, 5 and 6, in some embodiments, the driving assembly 53 includes a screw 531 axially parallel to the first direction and a motor 532 for driving the screw 531 to rotate, the first wedge 522 is provided with a second threaded hole 5221 engaged with the external thread of the screw 531, a first end of the screw 531 is connected to an output end of the motor 532, and a second end of the screw 531 is disposed in the second threaded hole 5221. In this embodiment, by adopting the above scheme, only the first end of the screw rod 531 needs to be connected to the output end of the motor 532, and the second end of the screw rod 531 is disposed in the second threaded hole 5221, so that the screw rod 531 can be driven by the motor 532 to rotate, and the screw rod drives the first wedge 522 to reciprocate along the first direction. In this way, compared with manual adjustment, the adjustment through the motor 532 and the screw 531 has higher controllability of the adjustment process, i.e. higher accuracy grade of the adjustment, and can adjust the ditch position to the required size in higher accuracy grade.

Referring to fig. 2, 4 and 7, in some embodiments, the gutter position adjustment mechanism 5 further includes a displacement detector 55 for detecting a relative movement distance between the first carriage 31 and the second carriage 33 in the second direction, and a controller (not shown) for controlling the operation of the motor 532 according to displacement information detected by the displacement detector 55, wherein the controller is electrically connected to the displacement detector 55 and the motor 532, respectively. In this embodiment, by adopting the above-mentioned scheme, by arranging the displacement detector 55 on the first carriage 31 or the second carriage 33, a displacement bump (not shown) adapted to the displacement detector 55 is correspondingly installed on the second carriage 33 or the first carriage 31, when the rolling element 512 moves to the position of C point, the displacement detector 55 feeds back the detected relative movement distance of the first carriage 31 and the second carriage 33 in the second direction to the controller, the controller compares the displacement value detected by the displacement detector 55 with a preset value set by a preset program in the controller, when the displacement value detected by the displacement detector 55 exceeds the preset value, the controller sends a corresponding control command to the motor 532 according to the displacement information detected by the displacement detector 55, controls the motor 532 to adjust the first wedge 522, thereby adjusting the displacement distance of the second wedge 523 along the second direction, and further adjusting the groove position size of the turning tool 1 on the second carriage 33. Thus, automation of trench position adjustment can be realized. In another embodiment, the groove position adjusting mechanism 5 further includes a display (not shown) for displaying the displacement data detected by the displacement detector 55, and the display is electrically connected to the displacement detector 55. It is understood that the displacement detector 55 may be a displacement detecting gauge, or may be a displacement sensor with a display or gauge.

Referring to fig. 6 and 7, in some embodiments, a side surface of the first wedge 522 facing the rolling element 512 has a first inclined surface 5222, a side surface of the second wedge 523 facing away from the rolling element 512 has a second inclined surface 5234, the first inclined surface 5222 is in sliding contact with the second inclined surface 5234, the first inclined surface 5222 and the second inclined surface 5234 have opposite slopes, a side surface of the second wedge 523 facing the rolling element 512 is respectively provided with a second inclined surface 5235 and an interference plane 5236 for the rolling element 512 to be in rolling contact, the interference plane 5236 is perpendicular to the second direction, and the second inclined surface 5235 is engaged with the interference plane 5236. In this embodiment, by adopting the above scheme, the power mechanism 32 drives the first dragging plate 31 to move along the first direction, and the rolling element 512 at the initial position is firstly in rolling contact with the second inclined surface 5235 of the second inclined wedge 523 in the process of moving along the first direction under the driving of the first dragging plate 31, the second inclined wedge 523 can abut against the rolling element 512 towards the second direction, the rolling element 512 smoothly rolls to the abutting plane 5236 of the second inclined wedge 523 under the guiding of the second inclined surface 5235 of the second inclined wedge 523, and drives the second dragging plate 33 of the dragging plate mechanism 3 to move a small distance along the second direction, so as to realize the adjustment of the trench size of the bearing inner ring channel of the automatic adjustment bearing in the trench feeding direction for the turning tool 1 fixed on the second dragging plate 33. Next, the first carriage 31 of the carriage mechanism 3 continues to drive the rolling element 512 to move along the first direction, the rolling element 512 can continue to roll along the abutting plane 5236 of the second wedge 523, and because the abutting plane 5236 of the second wedge 523 is parallel to the first direction, the rolling element 512 cannot drive the second carriage of the carriage mechanism 3 to move along the second direction under the abutting action of the abutting plane 5236 of the second wedge 523, so that the turning tool 1 on the first carriage 31 always turns the inner ring channel of the bearing with the adjusted size. Until the bearing inner ring is processed, the second carriage 33 of the carriage mechanism 3 drives the rolling element 512 to return to the initial position.

Referring to fig. 6, in some embodiments, the gutter-position adjustment mechanism 5 further includes an elastic member 54 for elastically pushing the second wedge 523 toward the first wedge 522, and the elastic member 54 is mounted on the fixing base 521. In this embodiment, by adopting the above scheme, the elastic member 54 is installed on the fixing base 521, and the second wedge 523 is elastically abutted against the first wedge 522 by the elastic member 54, so that the second inclined surface 5234 of the first wedge block 5231 is always in close sliding contact with the first inclined surface 5222 of the first wedge 522, and a gap between the first wedge block 5231 and the first wedge 522 is avoided, thereby preventing the adjustment accuracy of the trench size from being affected.

Referring to fig. 2 and 5, in some embodiments, the rolling element 512 is a bearing, and the supporting element 511 is a bearing seat, and the bearing is mounted on the bearing seat. In this embodiment, by adopting the above scheme, the bearing seat is arranged on the first carriage 31 of the carriage mechanism 3, the bearing is arranged on the bearing seat, and the outer ring of the bearing is in rolling contact with one side of the second wedge 523 away from the first wedge 522, so as to achieve the purpose of adjusting the size of the groove. Because the stability of bearing is good, the precision of size adjustment is high. Of course, the rolling member 512 may be a roller, and the supporting member 511 may be a roller seat disposed on the first dragging plate 31 correspondingly, on the premise of satisfying the precision of adjusting the groove size.

The invention also provides a groove position adjusting mechanism 5, the groove position adjusting mechanism 5 can be applied to a bearing inner ring groove processing lathe, and the groove position size of the bearing inner ring groove can be automatically adjusted in the groove position feeding direction. Referring to fig. 3, 4 and 6, the groove position adjusting mechanism 5 includes a rolling assembly 51, an adjusting assembly 52, a driving assembly 53 and an elastic element 54, wherein the rolling assembly 51 is disposed on the second carriage 33 of the carriage mechanism 3 of the bearing inner race groove machining lathe. It will be appreciated that the second carriage 33 is slidably mounted on the first carriage 31 of the carriage mechanism 3 by a linear slide mechanism 34, and the first carriage 31 is slidably mounted on the table 22 of the lathe by the linear slide mechanism 34. The rolling assembly 51 includes a support 511 fixedly disposed on the second carriage 33 and a rolling element 512 rotatably mounted on the support 511. The adjusting assembly 52 is configured to be disposed on a lathe body 2 of a lathe for machining a channel of a bearing inner race, and the adjusting assembly 52 includes a fixed seat 521 fixedly disposed on the lathe body 2, a first wedge 522 slidably disposed on the fixed seat 521 along a first direction, and a second wedge 523 slidably disposed on the fixed seat 521 along a second direction. It is understood that the first direction is parallel to the feeding direction of the groove diameter of the first planker 31 of the planker mechanism 3, the second direction is parallel to the feeding direction of the groove position of the second planker 33 of the planker mechanism 3, and the first direction is perpendicular to the second direction. Specifically, a side surface of the first wedge 522 facing the rolling element 512 has a first inclined surface 5222, a side surface of the second wedge 523 facing away from the rolling element 512 has a second inclined surface 5234, the first inclined surface 5222 is in sliding contact with the second inclined surface 5234, and the first inclined surface 5222 and the second inclined surface 5234 have opposite slope directions, a side surface of the second wedge 523 facing the rolling element 512 is respectively provided with a second inclined surface 5235 and an abutting plane 5236 for the rolling element 512 to be in rolling contact, the abutting plane 5236 is perpendicular to the second direction, and the second inclined surface 5235 is connected with the abutting plane 5236. The driving assembly 53 is configured to drive the first wedge 522 to move along the first direction, such that the first wedge 522 pushes the second wedge 523 to move along the second direction and toward the rolling member 512, so that the second wedge 523 abuts against the rolling member 512. The elastic member 54 is mounted on the fixing base 521 for elastically pushing the second wedge 523 toward the first wedge 522.

The basic working process of the groove position adjusting mechanism 5 provided by the embodiment of the invention is as follows: when the bearing inner ring channel is machined, the driving assembly 53 drives the first wedge 522 to move in the first direction, and since the first inclined surface 5222 of the first wedge 522 is in sliding contact with the second inclined surface 5234 of the second wedge 523 and the first inclined surface 5222 and the second inclined surface 5234 are opposite in gradient direction, the second wedge 523 is caused to move in the second direction and towards the rolling element 512 during the movement of the first wedge 522 until the second wedge 523 reaches the preset position. Then, the rolling member 512 is in the initial position. Under the driving of the first carriage 31 of the carriage mechanism 3, in the process of moving along the first direction, the first carriage firstly makes rolling contact with the second inclined surface 5235 of the second wedge 523, the second wedge 523 can abut against the rolling element 512 towards the second direction, the rolling element 512 smoothly rolls to the abutting plane 5236 of the second wedge 523 under the guidance of the second inclined surface 5235 of the second wedge 523, and drives the second carriage 33 of the carriage mechanism 3 to move for a small distance along the second direction, so as to realize the adjustment of the groove position size of the bearing inner ring channel automatically adjusted by the turning tool 1 fixed on the second carriage 33 in the groove position feeding direction. Next, the first carriage 31 of the carriage mechanism 3 continues to drive the rolling element 512 to move along the first direction, the rolling element 512 can continue to roll along the abutting plane 5236 of the second wedge 523, and because the abutting plane 5236 of the second wedge 523 is parallel to the first direction, the rolling element 512 cannot drive the second carriage 33 of the carriage mechanism 3 to move along the second direction under the abutting action of the abutting plane 5236 of the second wedge 523, so that the turning tool 1 on the second carriage 33 turns the inner ring channel of the bearing with an adjusted size all the time. Until the processing of the bearing inner ring is completed, the first carriage 31 of the carriage mechanism 3 drives the rolling element 512 and the turning tool 1 to return to the initial position.

Compared with the prior art, the groove position adjusting mechanism 5 provided by the embodiment of the invention has the advantages that the driving assembly 53 drives the first inclined wedge 522 to move along the first direction, and the first inclined surface 5222 of the first inclined wedge 522 is in sliding contact with the second inclined surface 5234 of the second inclined wedge 523, so that the second inclined wedge 523 can be forced to move along the second direction and towards the rolling member 512 by the first inclined wedge 522 until the second inclined wedge 523 reaches the preset position. Subsequently, the rolling element 512 is driven by the first carriage 31 of the carriage mechanism 3 to move along the first direction, the rolling element 512 firstly makes rolling contact with the second inclined surface 5235 of the second wedge 523, and then smoothly rolls to the contact plane 5236 of the second wedge 523 under the guidance of the second inclined surface 5235 of the second wedge 523, so that the purpose of adjusting the size distance of the second carriage 33 along the second direction is achieved, and further, the adjustment of the groove position size of the bearing inner ring channel of the turning tool 1 fixed on the second carriage 33 in the groove position feeding direction is automatically performed. Like this, then can make bearing inner race ring channel processing lathe, automatic adjustment ditch position size in the direction of ditch position feed need not artifical manual regulation, and size adjustment operation is quick high-efficient, is favorable to improving the machining efficiency of bearing inner race ring, and the precision of size adjustment is high, guarantees the processingquality of bearing inner race ring.

Referring to fig. 6 and 7, in some embodiments, the second wedge 523 includes a first wedge 5231 having a second inclined surface 5234, a first wedge 522 having a second inclined surface 5235 and an abutting surface 5236, and a connecting post 5233 connecting the first wedge 5231 and the first wedge 522, the first wedge 5231 and the first wedge 522 are parallel and spaced apart, the connecting post 5233 is located between the first wedge 5231 and the first wedge 522, so that the longitudinal section of the second wedge 523 is "i" shaped, the fixing base 521 is provided with a sliding hole 8 penetrating in the second direction, and the connecting post 5233 is slidably disposed in the sliding hole 8. In this embodiment, by adopting the above-mentioned scheme, the second wedge 523 is configured as an i-shaped wedge with a longitudinal section, the fixing base 521 is provided with the sliding hole 8 penetrating through the fixing base along the second direction, only the connecting column 5233 needs to be slidably disposed in the sliding hole 8, the first wedge block 5231 having the second inclined surface 5234 is located at the first end of the sliding hole 8, and the first wedge block 522 having the second inclined surface 5235 and the abutting plane 5236 is located at the second end of the sliding hole 8, which not only facilitates the installation of the second wedge 523, but also enhances the stability and reliability of the sliding movement of the second wedge 523 along the second direction, so that the first wedge block 522 of the second wedge 523 can play a good role in abutting against the rolling element 512, and achieve the purpose of more accurately adjusting the size of the trench position.

Referring to fig. 6, in some embodiments, the fixing base 521 is provided with a through groove 9 penetrating along a first direction, the first wedge 522 is slidably inserted into the through groove 9, the through groove 9 is communicated with one end of the sliding hole 8 close to the first wedge 522, and the first wedge block 5231 is located in the through groove 9, so that the second inclined surface 5234 of the first wedge block 5231 is in sliding contact with the first inclined surface 5222 of the first wedge 522. In this embodiment, by adopting the above-mentioned scheme, the through groove 9 penetrating in the first direction is disposed on the fixing base 521, the through groove 9 is communicated with one end of the sliding hole 8 close to the first wedge 522, only the first wedge 522 is required to be slidably inserted into the through groove 9, and the first wedge 5231 is located in the through groove 9, so that not only is the stability and reliability of the sliding contact between the second inclined surface 5234 of the first wedge 5231 and the first inclined surface 5222 of the first wedge 522 enhanced, but also the first wedge 522 can be guided to move in the first direction through the through groove 9, the stability and reliability of the movement of the first wedge 522 are enhanced, and further the first wedge 522 of the second wedge 523 can play a good role in abutting against the rolling element 512, so as to achieve the purpose of adjusting the size of the groove more accurately.

Referring to fig. 6, in some embodiments, the elastic element 54 is a return spring, a blind hole 10 for accommodating the return spring is formed in the inner wall of the through slot 9, a first end of the return spring is disposed in the blind hole 10, and a second end of the return spring elastically abuts against a side surface of the first wedge block 5231 away from the first wedge 522. In this embodiment, by adopting the above-mentioned scheme, the elastic member 54 is a return spring, the inner wall of the through groove 9 is correspondingly provided with the blind hole 10, only the first end of the return spring needs to be placed in the blind hole 10, and the second end of the return spring elastically abuts against a side surface of the first wedge block 5231 away from the first wedge 522, so that under the action of the elastic force of the spring, the first wedge block 5231 of the second wedge 523 elastically abuts against the first wedge 522, the second inclined surface 5234 of the first wedge block 5231 and the first inclined surface 5222 of the first wedge 522 are always in tight sliding contact, and a gap between the first wedge block 5231 and the first wedge 522 is avoided, thereby avoiding affecting the adjustment accuracy of the groove size.

Referring to fig. 6, in some embodiments, the groove position adjusting mechanism 5 further includes a positioning column 7 having a first end fixed in the blind hole 10, a second end of the positioning column 7 is disposed in a tapered shape, and a first end of the return spring is sleeved on the second end of the positioning column 7. In this embodiment, by adopting the above-mentioned scheme, set up reference column 7 in blind hole 10 to being the taper setting with the second end of reference column 7, with the second end of reference column 7 of first end cover of reset spring, then can be under the positioning action of the taper terminal surface of reference column 7, make the center of supporting of pushing away of reset spring fixed all the time, promptly in reset spring's use, reset spring's application of force direction can not take place the skew, avoid reset spring to the elasticity of first wedge 5231 top support the effort unbalance, and influence the regulation precision of ditch position size.

In some embodiments, the slope of the first inclined surface 5222 of the first wedge 522 is 1: 110 to 1: 90, and the slope of the second inclined surface 5234 of the second inclined wedge 523 is 1: 110 to 1: between 90. In this embodiment, by adopting the above-described arrangement, the slope of the first inclined surface 5222 is set to 1: 110 to 1: 90, and the slope of the second slope 5234 is 1: 110 to 1: 90, the moving range of the first wedge 522 is extremely small, that is, the first wedge 522 finely adjusts the position of the second wedge 523 in an extremely small range, and then adjusts the position of the turning tool 1 on the second carriage 33 in an extremely small range, so as to achieve the purpose of finely adjusting the groove position size, and further ensure the processing precision of the bearing inner ring by the lathe.

In some of these embodiments, the slope of the first sloped surface 5222 of the first wedge 522 is the same as the slope of the second sloped surface 5234 of the second wedge 523. It will be appreciated that the slope of the first ramp surface 5222 is the same as the slope of the second ramp surface 5234, preferably 1: 100, the purpose of fine adjustment of the groove position size is favorably achieved, and the machining precision of the bearing inner ring by a lathe is ensured.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a bearing inner race groove processing lathe which characterized in that includes:

turning a tool;

the carriage mechanism is arranged on the operating platform and used for driving the turning tool to turn the bearing inner ring on the main shaft mechanism, the carriage mechanism comprises a first carriage for driving the turning tool to feed towards a channel of the bearing inner ring along a first direction, a power mechanism for driving the first carriage to move, and a second carriage which can be arranged on the first carriage in a sliding manner along a second direction, and the first carriage can be arranged on the operating platform in a sliding manner along the first direction;

2. The lathe for machining a channel in an inner race of a bearing according to claim 1, wherein the channel position adjusting mechanism further comprises a pressure adjusting mechanism for adjusting a pressing force between the first carriage and the second carriage.

3. The lathe for machining a channel of an inner ring of a bearing according to claim 2, wherein the pressure adjusting mechanism comprises an adjusting seat fixedly arranged on the first carriage and a bolt for pushing and pulling the second carriage along the second direction, the bolt is rotatably arranged on the adjusting seat, and a first threaded hole for being connected with the bolt in a matched manner is formed in the second carriage.

4. The lathe for machining a channel of an inner ring of a bearing according to claim 3, wherein the pressure adjusting mechanism further comprises a compression spring arranged between the adjusting seat and the second carriage, a first end of the compression spring elastically abuts against the adjusting seat, and a second end of the compression spring elastically abuts against a side of the second carriage, which is away from the rolling member.

5. The lathe for machining the groove of the inner ring of the bearing according to claim 1, wherein the driving assembly comprises a screw rod and a motor, the screw rod is axially arranged in parallel to the first direction, the motor drives the screw rod to rotate, a second threaded hole matched with the external thread of the screw rod is formed in the first wedge body, a first end of the screw rod is connected with an output end of the motor, and a second end of the screw rod is placed in the second threaded hole.

6. The lathe for machining a channel in an inner race of a bearing according to claim 5, wherein the channel adjusting mechanism further comprises a displacement detector for detecting a relative movement distance between the first carriage and the second carriage in the second direction, and a controller for controlling the operation of the motor according to displacement information detected by the displacement detector, and the controller is electrically connected to the displacement detector and the motor, respectively.

7. The lathe for machining a channel in an inner race of a bearing according to claim 6, wherein the groove position adjusting mechanism further comprises a display for displaying displacement data detected by the displacement detector, and the display is electrically connected to the displacement detector.

8. The lathe for machining a groove in an inner race of a bearing according to any one of claims 1 to 7, wherein a side of the first wedge facing the rolling member has a first inclined surface, a side of the second wedge facing away from the rolling member has a second inclined surface, the first inclined surface is in sliding contact with the second inclined surface, the first inclined surface and the second inclined surface have opposite slopes, a side of the second wedge facing the rolling member is provided with a third inclined surface and an interference plane, respectively, for the rolling member to be in rolling contact with, the interference plane is perpendicular to the second direction, and the third inclined surface is engaged with the interference plane.

9. The lathe for machining a groove in a bearing inner race according to any one of claims 1 to 7, wherein the groove position adjusting mechanism further includes an elastic member for elastically urging the second wedge toward the first wedge, the elastic member being mounted on the holder.

10. The lathe for machining a channel in a bearing inner race according to any one of claims 1 to 7, wherein the rolling member is a bearing, the support member is a bearing housing, and the bearing is mounted on the bearing housing.