CN114769627A

CN114769627A - Lathe tool feeding mechanism with stroke adjusting function and bearing ring processing lathe

Info

Publication number: CN114769627A
Application number: CN202210347654.6A
Authority: CN
Inventors: 王永辉; 王春; 王力
Original assignee: Zhejiang Tuoman Intelligent Technology Co ltd
Current assignee: Zhejiang Tuoman Intelligent Technology Co ltd
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2022-07-22
Anticipated expiration: 2042-04-01
Also published as: CN114769627B

Abstract

The invention provides a lathe tool feeding mechanism with a stroke adjusting function and a bearing ring processing lathe, when the feed stroke of the turning tool needs to be adjusted, the first sliding part is driven to slide along the first direction only by the linear driving mechanism, under the sliding fit action of the first inclined surface and the second inclined surface, thereby stably pushing the second sliding piece to slide for a preset distance along the second direction, leading the distance between the double-rod hydraulic cylinder and the second sliding piece to be increased or decreased, then when the limiting piece on the second piston rod of the double-rod hydraulic cylinder is abutted against the second sliding piece, the aim of adjusting the movement stroke of the first piston rod of the double-rod hydraulic cylinder can be achieved, therefore, the travel of the first piston rod of the double-rod hydraulic cylinder for driving the turning tool to feed can be limited, and the accurate control of the feeding amount of the turning tool is finally realized according to the requirements on the machining size and the accuracy of the bearing ring. Like this, need not artifical manual regulation, it is high efficiency to adjust the operation, and the precision that lathe tool feed stroke adjusted is high.

Description

Lathe tool feeding mechanism with stroke adjusting function and bearing ring processing lathe

Technical Field

The invention belongs to the technical field of bearing processing equipment, and particularly relates to a turning tool feeding mechanism with a stroke adjusting function and a bearing ring processing lathe.

Background

In the process of processing the bearing ring, because the size requirement of the bearing ring is higher, the size of the processed ring is ensured to be within the dimensional tolerance required by a drawing, and the feeding stroke of a lathe tool is generally required to be strictly controlled. Present bearing ring processing lathe, drive the planker mechanism that the lathe tool fed, need operating personnel to rely on working experience, unscrew the screw of stationary knife rest, then rotatory adjusting screw, realize the stroke adjustment that planker mechanism control lathe tool fed, this not only often need adjust several times and can reach the requirement, and because the impact force that lathe processing formed, can lead to lathe tool and knife rest to take place tiny deformation or displacement very easily, still need carry out manual regulation to the stroke of planker mechanism constantly at bearing ring lathe work's in-process, not only troublesome poeration, waste time and energy, it is less with lathe tool and knife rest deformation degree, manual regulation generally is difficult to adjust to the precision of needs in the precision grade that needs, and then influence bearing ring's machining precision and quality.

Disclosure of Invention

The embodiment of the invention aims to provide a turning tool feeding mechanism, which is used for solving the technical problems that in the prior art, the adjustment planker mechanism is required to manually adjust the feeding stroke of a turning tool, the operation is troublesome, time and labor are wasted, and the adjustment precision is poor.

In order to realize the purpose, the invention adopts the technical scheme that: the lathe tool feeding mechanism with the stroke adjusting function is used for a bearing ring processing lathe and comprises:

the fixed seat is used for being arranged on the bearing ring processing lathe;

the first sliding piece is arranged on the fixed seat in a sliding manner along a first direction;

the second sliding part is arranged on the fixed seat in a sliding manner along a second direction;

the linear driving mechanism is arranged on the fixed seat and is used for driving the first sliding piece to slide along the first direction;

the double-rod hydraulic cylinder is arranged on the fixed seat, a first piston rod and a second piston rod are respectively arranged at two ends of the double-rod hydraulic cylinder, the first piston rod is used for driving the turning tool to move and controlling the feeding stroke of the turning tool, the first piston rod and the second piston rod can respectively stretch along the second direction, and a limiting piece used for matching and abutting against the second sliding piece to limit the second piston rod is arranged on the second piston rod;

the first sliding part is provided with a first inclined surface towards one side surface of the second sliding part, the second sliding part is provided with a second inclined surface towards one side surface of the first sliding part, the first inclined surface is in sliding contact with the second inclined surface, and the gradient directions of the first inclined surface and the second inclined surface are opposite, so that when the linear driving mechanism drives the first sliding part to slide along the first direction, the first sliding part pushes the second sliding part to slide along the second direction, and the second direction is perpendicular to the first direction.

Furthermore, the first sliding part is a first wedge block on the first inclined surface, the second sliding part is a second wedge block on the second inclined surface, a through groove penetrating along the first direction is formed in the fixing seat, the first wedge block can be inserted and located in the through groove in a sliding mode along the first direction, the second wedge block can be arranged in the through groove in a sliding mode along the second direction, and the first inclined surface of the first wedge block is in sliding contact with the second inclined surface of the second wedge block.

Further, the linear driving mechanism comprises a motor arranged on the fixed seat, a gear arranged on an output shaft of the motor and a rack matched with the gear, wherein the rack is connected with the first wedge-shaped block, so that when the motor drives the gear to rotate, the gear is matched with the rack to drive the first wedge-shaped block to move along the first direction.

Furthermore, a guide sliding groove which guides the rack to move along the first direction is formed in the fixing seat, the guide sliding groove is communicated with the through groove, and the rack is arranged in the guide sliding groove in a sliding mode.

Furthermore, a limiting hole groove for positioning the gear is formed in the fixing seat, the limiting hole groove is communicated with the guide sliding groove, and the gear is rotatably installed in the limiting hole groove.

Furthermore, lathe tool feed mechanism with stroke adjustment function still including locating the fixing base with the elastic component between the second wedge, the elastic component is used for with the second wedge orientation first wedge elasticity top is supported, so that the first inclined plane of first wedge with the second inclined plane of second wedge contradicts each other.

Furthermore, the elastic part is a compression spring, a blind hole for accommodating the compression spring is formed in the fixing seat, a first end of the compression spring is inserted into the blind hole, and a second end of the compression spring elastically abuts against a side face, deviating from the first wedge block, of the second wedge block.

Further, the gradient ratio of the first inclined plane is (1-3): 100, and the gradient ratio of the second inclined plane is (1-3): 100.

furthermore, the second piston rod is provided with an external thread, and the limiting member comprises a limiting nut screwed on the second piston rod and a locking nut screwed on the second piston rod to abut against the limiting nut.

The embodiment of the invention also aims to provide a bearing ring machining lathe, which is used for solving the technical problems that the lathe tool feeding stroke is controlled by an adjusting planker mechanism in the prior art, manual adjustment is needed, the operation is troublesome, time and labor are wasted, and the adjustment precision is poor.

In order to achieve the purpose, the invention adopts the technical scheme that: the lathe for machining the bearing ring comprises the turning tool feeding mechanism with the stroke adjusting function in any scheme.

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:

in the embodiment of the invention, the lathe tool feeding mechanism with the stroke adjusting function and the bearing ring processing lathe are arranged on the bearing ring processing lathe, when the feed stroke of the turning tool needs to be adjusted, the first sliding part is driven to slide along the first direction only by the linear driving mechanism, under the sliding fit action of the first inclined surface and the second inclined surface, thereby stably pushing the second sliding piece to slide for a preset distance along the second direction, leading the distance between the double-rod hydraulic cylinder and the second sliding piece to be increased or decreased, then when the limiting piece on the second piston rod of the double-rod hydraulic cylinder is abutted against the second sliding piece, the aim of adjusting the movement stroke of the first piston rod of the double-rod hydraulic cylinder can be achieved, therefore, the travel of the first piston rod of the double-rod hydraulic cylinder for driving the turning tool to feed can be limited, and the accurate control of the feeding amount of the turning tool is finally realized according to the requirements on the machining size and the accuracy of the bearing ring. Like this, when the lathe tool feed stroke is adjusted according to the requirement of bearing ring machining dimension and precision, just need not artifical manual regulation, the quick high efficiency of regulation operation is favorable to improving the machining efficiency of bearing ring, and the lathe tool feed stroke adjustment's precision is high, can guarantee the processingquality of bearing 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 perspective view of a turning tool feeding mechanism with a stroke adjusting function according to an embodiment of the present invention;

fig. 2 is a partial sectional view of the turning tool feeding mechanism having a stroke adjusting function shown in fig. 1;

fig. 3 is a sectional view of the turning tool feeding mechanism having a stroke adjustment function shown in fig. 1;

FIG. 4 is a partial cross-sectional view of the turning tool feed mechanism having a stroke adjustment function shown in FIG. 1;

FIG. 5 is an assembly view of a gear and rack provided in accordance with an embodiment of the present invention;

fig. 6 is an exploded view of the turning tool feeding mechanism having a stroke adjustment function shown in fig. 1.

Wherein, in the figures, the various reference numbers:

1-a fixed seat; 11-through slots; 12-a first slide hole; 13-a guide chute; 14-a limit hole slot; 15-blind holes;

2-a first slide; 21-a first bevel; 22-a second slide hole;

3-a second slide; 31-a second bevel; 32-a third slide hole;

4-a linear drive mechanism; 41-a motor; 411-an output shaft; 42-gear wheel; 43-rack;

5-double-rod hydraulic cylinder; 51-a first piston rod; 52-a second piston rod;

6-a limiting part; 61-a limit nut; 62-a lock nut;

7-an elastic member; 8-a positioning column; 9-protective cover.

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 do not 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 and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

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 to implicitly indicate 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 fig. 6, a turning tool feeding mechanism with a stroke adjustment function according to an embodiment of the present invention will be described. The turning tool feeding mechanism with the stroke adjusting function provided by the embodiment of the invention can be suitable for a bearing ring processing lathe. The lathe tool feeding mechanism with the stroke adjusting function can automatically adjust the lathe tool feeding stroke according to the size of the bearing ring and the processing precision of the bearing ring. With further reference to fig. 1 to fig. 3, the turning tool feeding mechanism with a stroke adjustment function according to an embodiment of the present invention includes a fixed seat 1, a first sliding member 2, a second sliding member 3, a linear driving mechanism 4, and a double-rod hydraulic cylinder 5, where the fixed seat 1 may be fixedly disposed on a lathe body or a carriage mechanism of a bearing ring processing lathe according to specific use requirements. The first sliding part 2 can be slidably disposed on the fixing base 1 along a first direction, the second sliding part 3 can be slidably disposed on the fixing base 1 along a second direction, and the linear driving mechanism 4 is disposed on the fixing base 1, so that the first sliding part 2 can be driven to slide along the first direction by the linear driving mechanism 4. The double-rod hydraulic cylinder 5 is arranged on the fixed seat 1, a first piston rod 51 and a second piston rod 52 are respectively arranged at two ends of the double-rod hydraulic cylinder 5, the first piston rod 51 is used for driving the turning tool to move and controlling the feeding stroke of the turning tool, the first piston rod 51 and the second piston rod 52 can respectively move in a telescopic mode along the second direction, and a limiting part 6 used for being matched with and abutting against the second sliding part 3 to limit the second piston rod 52 is arranged on the second piston rod 52. And, a side of the first slider 2 facing the second slider 3 has a first inclined surface 21, a side of the second slider 3 facing the first slider 2 has a second inclined surface 22, the first inclined surface 21 of the first slider 2 is in sliding contact with the second inclined surface 22 of the second slider 3, and the slope directions of the first inclined surface 21 and the second inclined surface 22 are opposite. With further reference to fig. 2 to fig. 4, when the turning tool feeding mechanism with a stroke adjusting function works, the linear driving mechanism 4 drives the first sliding member 2 to slide along the first direction, and due to the sliding fit between the first inclined surface 21 of the first sliding member 2 and the second inclined surface 22 of the second sliding member 3, the second direction is perpendicular to the first direction, so that the first sliding member 2 is forced to push the second sliding member 3 to slide along the second direction until the second sliding member 3 reaches the preset position. After the second sliding member 3 reaches the preset position, the limiting member 6 on the second piston rod 52 abuts against a surface of the second sliding member 3 departing from the first sliding member 2, so as to limit the second piston rod 52 at the preset position. If the lathe tool feeding stroke needs to be adjusted, the first sliding part 2 is driven to slide along the first direction only through the linear driving mechanism 4, the first sliding part 2 is forced to push the second sliding part 3 to slide along the second direction for a preset distance, so that the distance between the double-rod hydraulic cylinder 5 and the second sliding part 3 is increased or decreased, then when the limiting part 6 on the second piston rod 52 of the double-rod hydraulic cylinder 5 abuts against the second sliding part 3, the purpose of adjusting the movement stroke of the first piston rod 51 of the double-rod hydraulic cylinder 5 is achieved, the lathe tool feeding stroke driven by the first piston rod 51 of the double-rod hydraulic cylinder 5 can be limited, and finally, the lathe tool feeding amount can be accurately controlled according to the requirements of the bearing ring machining size and precision.

Compared with the prior art, the turning tool feeding mechanism with the stroke adjusting function provided by the embodiment of the invention, when the feed stroke of the turning tool needs to be adjusted, the first sliding part 2 is driven to slide along the first direction only by the linear driving mechanism 4, under the sliding fit action of the first inclined surface 21 and the second inclined surface 22, and further stably pushes the second slide member 3 to slide a preset distance along the second direction, so that the distance between the double-rod hydraulic cylinder 5 and the second slide member 3 is increased or decreased, then when the position-limiting member 6 on the second piston rod 52 of the double-rod hydraulic cylinder 5 abuts against the second sliding member 3, the purpose of adjusting the movement stroke of the first piston rod 51 of the double-rod hydraulic cylinder 5 can be achieved, therefore, the travel of the first piston rod 51 of the double-rod hydraulic cylinder 5 for driving the turning tool to feed can be limited, and the turning tool feeding amount can be accurately controlled according to the requirements of the processing size and the accuracy of the bearing ring. Like this, when the requirement according to bearing ring machining dimension and precision adjusted the lathe tool and feed the stroke, just need not artifical manual regulation, the regulation operation is high-efficient fast, is favorable to improving the machining efficiency of bearing ring, and the lathe tool feeds the precision of stroke regulation high, can guarantee the processingquality of bearing ring.

Referring to fig. 2, fig. 3 and fig. 6, in some embodiments, the first sliding part 2 is a first wedge-shaped block with a first inclined surface 21, the second sliding part 3 is a second wedge-shaped block with a second inclined surface 22, the fixing base 1 is provided with a through groove 11 penetrating along a first direction, the first wedge-shaped block can be inserted into the through groove 11 in a sliding manner along the first direction, the second wedge-shaped block can be arranged in the through groove 11 in a sliding manner along a second direction, and the first inclined surface 21 of the first wedge-shaped block is in sliding contact with the second inclined surface 22 of the second wedge-shaped block. In this embodiment, by adopting the above scheme, the through groove 11 penetrating along the first direction is provided on the fixing base 1, the first wedge block is slidably inserted into the through groove 11 along the first direction, the second wedge block is slidably disposed in the through groove 11 along the second direction, on the premise that the first inclined surface 21 of the first wedge-shaped block is in sliding contact with the second inclined surface 22 of the second wedge-shaped block, the first wedge-shaped block is driven to move along the first direction only by the linear driving mechanism 4, so that the first wedge-shaped block can be stably forced to push the second wedge-shaped block to move along the second direction, the purpose of adjusting the distance between the double-rod hydraulic cylinder 5 and the second sliding part 3 is achieved, at the moment, the limiting part 6 on the second piston rod 52 of the double-rod hydraulic cylinder 5 can be abutted against the second sliding part 3, and the purpose of adjusting the movement stroke of the first piston rod 51 of the double-rod hydraulic cylinder 5 is achieved, and then the accurate control of the feed amount of the turning tool is realized according to the requirements of the processing size and the accuracy of the bearing ring. Referring to fig. 4 and fig. 6, the fixing base 1 is provided with a first sliding hole 12 for the second piston rod 52 of the dual-rod hydraulic cylinder 5 to pass through, the first wedge block is provided with a second sliding hole 22 for the second piston rod 52 of the dual-rod hydraulic cylinder 5 to pass through, and the second sliding hole 22 is a long-strip-shaped hole extending along the first direction. The third sliding hole 32 for the second piston rod 52 of the double-rod hydraulic cylinder 5 to pass through is formed in the second wedge-shaped block, the second piston rod 52 of the double-rod hydraulic cylinder 5 sequentially passes through the first sliding hole 12, the second sliding hole 22 and the third sliding hole 32, the second piston rod 52 of the double-rod hydraulic cylinder 5 is respectively arranged in the first sliding hole 12, the second sliding hole 22 and the third sliding hole 32 in a sliding mode, the stability of the second piston rod 52 of the double-rod hydraulic cylinder 5 is enhanced, and accurate adjustment of turning tool feeding amount is facilitated.

Referring to fig. 1, 4 and 6, in some embodiments, the linear driving mechanism 4 includes a motor 41 disposed on the fixing base 1, a gear 42 disposed on an output shaft 411 of the motor 41, and a rack 43 engaged with the gear 42, where the rack 43 is connected to the first wedge block, so that when the motor 41 drives the gear 42 to rotate, the gear 42 is engaged with the rack 43 to drive the first wedge block to move along the first direction. In this embodiment, through adopting above-mentioned scheme, it is rotatory to drive gear 42 through motor 41, and gear 42 and the cooperation of rack 43 can drive first wedge and remove along first direction, strengthens the stability that the lathe tool feed amount adjusted. It can be understood that the motor 41 may be a stepping motor 41, and the stepping motor 41 can be precisely controlled by a controller, so as to achieve automatic and precise adjustment of the feeding amount of the turning tool and improve the processing quality of the bearing ring. It should be noted that the linear driving mechanism 4 may be replaced by a driving mechanism such as an air cylinder, a hydraulic cylinder, an electric push rod, or a screw mechanism having a motor 41.

Referring to fig. 1, 4 and 6, in some embodiments, the fixing base 1 is provided with a guide sliding chute 13 for guiding the rack 43 to move along the first direction, the guide sliding chute 13 is communicated with the through groove 11, and the rack 43 is slidably disposed in the guide sliding chute 13. In this embodiment, through adopting above-mentioned scheme, be equipped with the direction spout 13 that the groove 11 is led in the intercommunication on fixing base 1, slide rack 43 and set up in direction spout 13, then accessible direction spout 13 guide rack 43 removes along first direction, strengthens the gliding stability of first slider 2 along first direction, is favorable to realizing the accurate adjustment of lathe tool feed volume.

Referring to fig. 4 and 6, in some embodiments, the fixing base 1 is provided with a limiting hole slot 14 for positioning the gear 42, the limiting hole slot 14 is communicated with the guide sliding groove 13, and the gear 42 is rotatably mounted in the limiting hole slot 14. In this embodiment, through adopting above-mentioned scheme, be equipped with the spacing hole groove 14 of intercommunication direction spout 13 on fixing base 1, rotationally install gear 42 in spacing hole groove 14, the stability that reinforcing gear 42 drove rack 43 and removes is favorable to realizing the accurate adjustment of lathe tool feed amount.

Referring to fig. 2, fig. 3 and fig. 6, in some embodiments, the turning tool feeding mechanism with a stroke adjustment function further includes an elastic member 7 disposed between the fixing base 1 and the second wedge block, and the elastic member 7 is used for elastically pushing the second wedge block toward the first wedge block. In this embodiment, through adopting above-mentioned scheme, set up elastic component 7 between fixing base 1 and second wedge, elastic component 7 can push up the second wedge towards first wedge elasticity for the first inclined plane 21 of first wedge is contradicted each other with the second inclined plane 22 of second wedge, strengthens first slider 2 along the gliding stability of first direction, is favorable to realizing the accurate adjustment of lathe tool feed volume.

Referring to fig. 2, 3 and 6, in some embodiments, the elastic member 7 is a compression spring, the fixing base 1 is provided with a blind hole 15 for accommodating the compression spring, a first end of the compression spring is inserted into the blind hole 15, and a second end of the compression spring elastically abuts against a side surface of the second wedge block away from the first wedge block. In this embodiment, through adopting above-mentioned scheme, set up compression spring's one end in blind hole 15 on fixing base 1 to support compression spring's second end elasticity top on the side that deviates from first tapered wedge of second wedge, then usable compression spring's elastic force, support second wedge towards first wedge elasticity top, make the second inclined plane 22 of second wedge and the first inclined plane 21 of first wedge closely sliding contact all the time, avoid having the clearance between second wedge and the first wedge, influence the regulation precision that the lathe tool fed the stroke.

Referring to fig. 2 and fig. 6, in some embodiments, the turning tool feeding mechanism with a stroke adjusting function further includes a supporting column 8 having a first end fixedly disposed in the blind hole 15, a second end of the supporting column 8 is disposed in a tapered shape, and the first end of the compression spring is sleeved on the second end of the supporting column 8. In this embodiment, through adopting above-mentioned scheme, set up in blind hole 15 and push up post 8 to the second end that will push up post 8 is the taper setting, overlaps compression spring's first end in the second end that pushes up post 8, then can push up under the positioning action of the taper terminal surface that props up post 8, make compression spring push up the center fixed all the time, promptly in compression spring's use, compression spring's application of force direction can not take place the skew, it is unbalanced to the elasticity top of second wedge to avoid compression spring, and influence the regulation precision that the lathe tool fed the stroke.

In some embodiments, the slope ratio of the first inclined surface 21 of the first sliding part 2 is (1-3): 100, and the gradient ratio of the second inclined surface 22 of the second sliding member 3 is (1-3): 100. in this embodiment, by adopting the above-described configuration, the gradient ratio of the first inclined surface 21 of the first sliding member 2 is set to (1 to 3): 100, and the gradient ratio of the second inclined surface 22 of the second sliding member 3 is set to (1-3): 100, so that the moving range of the first slide 2 is extremely small, that is, the first slide 2 finely adjusts the position of the second slide 3 in an extremely small range, and further adjusts the position of the turning tool in an extremely small range by the first piston rod 51 of the double-rod hydraulic cylinder 5.

Referring to fig. 1, fig. 4 and fig. 6, in some embodiments, the second piston rod 52 is provided with an external thread, the limiting member 6 includes a limiting nut 61 screwed onto the second piston rod 52, and a locking nut 62 screwed onto the second piston rod 52 to abut against the limiting nut 61, the limiting nut 61 can abut against the second slider 3 to limit the moving stroke of the second piston rod 52, so as to achieve the purpose of adjusting the moving stroke of the first piston rod 51 of the dual-rod hydraulic cylinder 5, that is, to limit the stroke of the first piston rod 51 of the dual-rod hydraulic cylinder 5 to drive the turning tool to feed, and finally, to achieve the precise control of the turning tool feeding amount according to the requirements of the bearing ring processing size and precision. The lock nut 62 can support the limit nut 61 on the second slider 3, so as to prevent the limit nut 61 from loosening or falling off to influence the accuracy of the first piston rod 51 of the double-rod hydraulic cylinder 5 for driving the turning tool to adjust the feeding stroke of the turning tool. Referring to fig. 2 and fig. 6, in some embodiments, the turning tool feeding mechanism with stroke adjustment function further includes a protection cover 9 covering the fixing base 1, and the linear driving mechanism 4 is disposed in the protection cover 9.

The invention also provides a bearing ring processing lathe which comprises the turning tool feeding mechanism with the stroke adjusting function provided by any one of the embodiments. Since the bearing ring processing lathe has all the technical features of the turning tool feeding mechanism with the stroke adjusting function provided in any one of the above embodiments, the bearing ring processing lathe has the same technical effects as the turning tool feeding mechanism with the stroke adjusting function provided in any one of the above embodiments, and details are not described herein.

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. A lathe tool feeding mechanism with a stroke adjusting function for a bearing ring processing lathe is characterized by comprising:

the fixed seat is used for being arranged on the bearing ring processing lathe;

the second sliding piece is arranged on the fixed seat in a sliding manner along a second direction;

2. The turning tool feeding mechanism with the stroke adjusting function as claimed in claim 1, wherein the first sliding part is a first wedge-shaped block with the first inclined surface, the second sliding part is a second wedge-shaped block with the second inclined surface, a through slot penetrating along a first direction is provided on the fixing base, the first wedge-shaped block can be slidably inserted into the through slot along the first direction, the second wedge-shaped block can be slidably disposed in the through slot along the second direction, and the first inclined surface of the first wedge-shaped block is in sliding contact with the second inclined surface of the second wedge-shaped block.

3. The turning tool feeding mechanism with the stroke adjusting function as claimed in claim 2, wherein the linear driving mechanism includes a motor disposed on the fixing base, a gear disposed on an output shaft of the motor, and a rack engaged with the gear, and the rack is connected to the first wedge block, so that when the motor drives the gear to rotate, the gear is engaged with the rack to drive the first wedge block to move along the first direction.

4. The turning tool feeding mechanism with the stroke adjusting function according to claim 3, wherein a guiding sliding groove for guiding the rack to move along the first direction is provided on the fixing base, the guiding sliding groove is communicated with the through groove, and the rack is slidably disposed in the guiding sliding groove.

5. The turning tool feeding mechanism with the stroke adjusting function according to claim 4, wherein the fixing seat is provided with a limiting hole groove for positioning the gear, the limiting hole groove is communicated with the guide sliding groove, and the gear is rotatably mounted in the limiting hole groove.

6. The turning tool feeding mechanism with the stroke adjusting function as claimed in claim 2, wherein the turning tool feeding mechanism with the stroke adjusting function further comprises an elastic member disposed between the fixing seat and the second wedge block, and the elastic member is configured to elastically push the second wedge block against the first wedge block, so that the first inclined surface of the first wedge block and the second inclined surface of the second wedge block are abutted against each other.

7. The turning tool feeding mechanism with the stroke adjusting function as claimed in claim 6, wherein the elastic member is a compression spring, the fixing seat is provided with a blind hole for accommodating the compression spring, a first end of the compression spring is inserted into the blind hole, and a second end of the compression spring elastically abuts against a side surface of the second wedge block away from the first wedge block.

8. The turning tool feeding mechanism with the stroke adjusting function according to any one of claims 1 to 7, wherein the gradient ratio of the first inclined surface is (1-3): 100, and the gradient ratio of the second inclined plane is (1-3): 100.

9. the turning tool feeding mechanism with the stroke adjusting function according to any one of claims 1 to 7, wherein the second piston rod is provided with an external thread, and the limiting member comprises a limiting nut screwed onto the second piston rod and a locking nut screwed onto the second piston rod to abut against the limiting nut.

10. A bearing ring machining lathe comprising the turning tool feed mechanism with stroke adjustment function according to any one of claims 1 to 9.