阅读说明：本技术 一种轴承内圈开槽用车床 (Lathe for slotting bearing inner ring ) 是由 李世文 于 2021-01-13 设计创作，主要内容包括：本发明公开了一种轴承内圈开槽用车床,包括安装座和设置在安装座上的第一夹紧板和第二夹紧板,其安装座为通过连接件固定安装在车床上的机械臂之上,安装座为一截管体结构,且其管体的后侧端为封闭设置,且安装座管腔后侧壁上固定安装有伺服电机,且安装座管腔的侧壁上设置有第一安装架和第二安装架,第一安装架和第二安装架上均开设有转轴孔,且第一安装架和第二安装架上的转轴孔中转动安装有连接轴；通过在第一夹紧板和第二夹紧板的板体前端均开设有气腔,并在气腔的一侧开设有次级气腔,并在次级气腔的腔体中活动设置有有吸附组件,从而通过吸附组件来对轴承进行吸附固定,从而提高其固定的稳定性。(The invention discloses a lathe for slotting a bearing inner ring, which comprises an installation seat, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are arranged on the installation seat; air cavities are formed in the front ends of the plate bodies of the first clamping plate and the second clamping plate, secondary air cavities are formed in one sides of the air cavities, and adsorption assemblies are movably arranged in cavities of the secondary air cavities, so that the bearings are adsorbed and fixed through the adsorption assemblies, and the fixing stability of the bearings is improved.)

1. The utility model provides a lathe is used in bearing inner race fluting, includes mount pad (1) and sets up first clamp plate (2) and second clamp plate (3) on mount pad (1), on its mount pad (1) is the arm through connecting piece fixed mounting on the lathe, its characterized in that: the mounting seat (1) is of a pipe body structure, the rear side end of the pipe body is arranged in a closed mode, the servo motor (4) is fixedly mounted on the rear side wall of the pipe cavity of the mounting seat (1), the first mounting frame (5) and the second mounting frame (6) are arranged on the side wall of the pipe cavity of the mounting seat (1), the rotating shaft holes (7) are formed in the first mounting frame (5) and the second mounting frame (6), the connecting shaft (12) is rotatably mounted in the rotating shaft holes (7) in the first mounting frame (5) and the second mounting frame (6), the rear side end of the connecting shaft (12) is in transmission connection with a rotor of the servo motor (4) through a shaft coupler, a first mounting hole (8) and a second mounting hole (9) are formed in the side wall of the pipe cavity of the mounting seat (1), a first guide rod (10) and a second guide rod (11) are fixedly mounted on the side wall of the mounting seat (1), second mounting hole (9), first guide arm (10) and second guide arm (11) all symmetry are provided with a set ofly, install first drive gear (15) and second drive gear (16) on connecting axle (12), rotate respectively in the hole body of first mounting hole (8), second mounting hole (9) and install first lead screw (13), second lead screw (14), first lead screw hole (21) and first guide rod hole (22) have been seted up to the plate body rear end of first clamp plate (2), second clamp plate (3) plate body rear side is seted up second lead screw hole (23) and second guide rod hole (24).

2. The lathe for grooving the inner race of the bearing according to claim 1, wherein: the shaft body of the first lead screw (13) and the second lead screw (14) is respectively and fixedly provided with a first driven gear (17) and a second driven gear (18), the first driven gear (17), the second driven gear (18), a first transmission gear (15) and a second transmission gear (16) are helical gears, the first driven gear (17) is meshed with the first transmission gear (15), and the second driven gear (18) is meshed with the second transmission gear (16).

3. The lathe for grooving the inner race of the bearing according to claim 2, wherein: the first lead screw (13), the second lead screw (14) and the first lead screw (13) are identical in structure, and the projections of the first lead screw and the second lead screw on the bottom surface of the mounting base (1) are vertically arranged.

4. The lathe for grooving the inner race of the bearing according to claim 1, wherein: the positions of the first screw hole (21) and the second screw hole (23) correspond to the positions of the first screw (13) and the second screw (14) respectively, the positions of the first guide rod hole (22) and the second guide rod hole (24) correspond to the positions of the first guide rod (10) and the second guide rod (11) respectively, and the first clamping plate (2) and the second clamping plate (3) are movably mounted on the first guide rod (10) and the second guide rod (11) through the first guide rod hole (22) and the second guide rod hole (24) on the first clamping plate and the second clamping plate respectively.

5. The lathe for grooving the inner race of the bearing according to claim 4, wherein: the two ends of the first lead screw (13) are respectively provided with a first lead screw thread (19) and a second lead screw thread (20), the first lead screw thread (19) and the second lead screw thread (20) are arranged in opposite directions, the second lead screw (14) and the first lead screw (13) are identical in structure, and the lead screw threads on the lead screw structures are arranged in corresponding lead screw holes in a meshed mode.

6. The lathe for grooving the inner race of the bearing according to claim 1, wherein: air cavities (25) are formed in the front ends of the plate bodies of the first clamping plate (2) and the second clamping plate (3), air pipe openings (26) are formed in the rear side end positions of the air cavities (25), the air pipe openings (26) are connected with the air inlet end of air extraction equipment through air pipes (27), and the air pipes (27) are fixed on the side wall of the mounting seat (1) through connecting pieces.

7. The lathe for grooving the inner race of the bearing according to claim 6, wherein: one side of the air cavity (25) is provided with four secondary air cavities (28), and the number of the secondary air cavities (28) is equal to the number of the secondary air cavities, and an adsorption component (29) is movably arranged in the cavity of each secondary air cavity (28).

8. The lathe for grooving the inner race of the bearing according to claim 7, wherein: the adsorption component (29) is composed of an adsorption nozzle (30), a connecting plate (31) and a supporting spring (32) in a combined mode, the adsorption nozzle (30) is made of rubber, a through hole is formed in the center of the adsorption nozzle, the connecting plate (31) is connected with the bottom surface of the adsorption nozzle, and the lower side surface of the connecting plate (31) is connected with the bottom surface of the air cavity (28) through the connecting spring (32).

9. The lathe for grooving the inner race of the bearing according to claim 8, wherein: the outer side end of the adsorption nozzle (30) is an arc-shaped surface, when the adsorption nozzle (30) is pressed back into the secondary air cavity (28), the outer side surface of the adsorption nozzle (30) is flush with the outer side surface of the clamping plate, and the radians of the outer side surfaces of the first clamping plate (2) and the second clamping plate (3) are matched with the radians of the side wall of the inner cavity of the mounting seat (1).

Technical Field

The invention relates to the technical field related to bearing production and processing, in particular to a lathe for grooving of a bearing inner ring.

Background

The bearing is an important part in the modern mechanical equipment. The main function of the bearing is to support the mechanical rotator, reduce the friction coefficient in the movement process and ensure the rotation precision of the mechanical rotator, the bearing is generally composed of four parts, namely an inner ring, an outer ring, a rolling body and a retainer, and the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a lubricating role.

Be used for among the prior art carrying out grooved lathe to bearing inner race on clamping structure comparatively simple to it is relatively poor to lead to its clamping structure to the centre gripping effect of bearing inner race, thereby lead to bearing inner race displacement to appear in the in-process of processing easily, thereby influence the precision of seting up of bearing inner race upper notch, thereby impression the qualification rate and the quality of bearing.

Disclosure of Invention

The invention aims to provide a lathe for grooving a bearing inner ring, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a lathe for slotting a bearing inner ring comprises a mounting seat, a first clamping plate and a second clamping plate, wherein the first clamping plate and the second clamping plate are arranged on the mounting seat, the mounting seat is fixedly arranged on a mechanical arm on the lathe through a connecting piece, the mounting seat is of a section of pipe body structure, the rear side end of the pipe body is arranged in a sealed mode, a servo motor is fixedly arranged on the rear side wall of a pipe cavity of the mounting seat, a first mounting frame and a second mounting frame are arranged on the side wall of the pipe cavity of the mounting seat, rotating shaft holes are formed in the first mounting frame and the second mounting frame, a connecting shaft is rotatably arranged in the rotating shaft holes in the first mounting frame and the second mounting frame, the rear side end of the connecting shaft is in transmission connection with a rotor of the servo motor through a coupler, a first mounting hole and a second mounting hole are formed in the side wall of the pipe cavity of the mounting seat, and, first mounting hole, second mounting hole, first guide arm and the equal symmetry of second guide arm are provided with a set ofly, install first drive gear and second drive gear on the connecting axle, rotate respectively in the hole body of first mounting hole, second mounting hole and install first lead screw, second lead screw, first lead screw hole and first guide rod hole have been seted up to the plate body rear end of first clamp plate, second clamp plate's plate body rear side is seted up second lead screw hole and second guide rod hole.

Preferably, a first driven gear and a second driven gear are respectively and fixedly mounted on the shaft bodies of the first lead screw and the second lead screw, the first driven gear, the second driven gear, the first transmission gear and the second transmission gear are helical gears, the first driven gear is meshed with the first transmission gear, and the second driven gear is meshed with the second transmission gear.

Preferably, the first lead screw, the second lead screw and the first lead screw have the same structure, and the projections of the first lead screw and the second lead screw on the bottom surface of the mounting base are vertically arranged.

Preferably, the positions of the first screw hole and the second screw hole correspond to the positions of the first screw and the second screw respectively, the positions of the first guide rod hole and the second guide rod hole correspond to the positions of the first guide rod and the second guide rod respectively, and the first clamping plate and the second clamping plate are movably mounted on the first guide rod and the second guide rod through the first guide rod hole and the second guide rod hole respectively.

Preferably, a first screw thread and a second screw thread are respectively arranged at two ends of the first screw, the first screw thread and the second screw thread are arranged in opposite directions, the second screw and the first screw have the same structure, and the screw threads on the screw structures are arranged in the corresponding screw holes in a meshed manner.

Preferably, air cavities are formed in the front ends of the plate bodies of the first clamping plate and the second clamping plate, air pipe openings are formed in the rear side ends of the air cavities, the air pipe openings are connected with the air inlet end of air extraction equipment through air pipes, and the air pipes are fixed on the side wall of the mounting seat through connecting pieces.

Preferably, one side of the air cavity is provided with four secondary air cavities, and the cavities of the secondary air cavities are movably provided with adsorption components.

Preferably, the adsorption component is composed of an adsorption nozzle, a connecting plate and a supporting spring, the adsorption nozzle is made of rubber, a through hole is formed in the center of the adsorption nozzle, the connecting plate is connected with the bottom surface of the adsorption nozzle, and the lower side surface of the connecting plate is connected with the bottom surface of the air cavity through the connecting spring.

Preferably, the outer side end of the adsorption nozzle is an arc-shaped surface, when the adsorption nozzle is pressed back into the secondary air cavity, the outer side surface of the adsorption nozzle is flush with the outer side surface of the clamping plate, and the radians of the outer side surfaces of the first clamping plate and the second clamping plate are matched with the radians of the side wall of the inner cavity of the mounting seat.

Compared with the prior art, the invention has the beneficial effects that:

1. the mounting seat is provided with the group of first clamping plates and the group of second clamping plates, and the connecting shaft, the first screw rod and the second screw rod are arranged to drive the first clamping plates and the second clamping plates, so that the device can drive the two groups of first clamping plates and the second clamping plates through a single servo motor, the overall transmission structure of the device is simpler, and the device can be conveniently maintained daily;

2. air cavities are formed in the front ends of the plate bodies of the first clamping plate and the second clamping plate, a secondary air cavity is formed in one side of each air cavity, and an adsorption component is movably arranged in the cavity of the secondary air cavity, so that the bearing is adsorbed and fixed through the adsorption component, and the fixing stability of the bearing is improved;

3. the adsorption component is formed by combining the adsorption nozzle, the connecting plate and the supporting spring, and the adsorption nozzle is made of rubber materials, so that the fixing effect between the adsorption component and the bearing inner ring to be processed is improved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a half sectional view of the present invention;

FIG. 3 is an enlarged view of the structure at A in FIG. 2;

FIG. 4 is an enlarged view of the structure at B in FIG. 2;

FIG. 5 is a schematic view of the structure of the inner cavity of the mounting base;

FIG. 6 is a half sectional view of the first clamping plate;

FIG. 7 is an enlarged view of the structure at C in FIG. 6;

FIG. 8 is a schematic diagram of a second clamping plate structure;

fig. 9 is a schematic view of a first lead screw structure.

In the figure: the mounting base comprises a mounting base 1, a first clamping plate 2, a second clamping plate 3, a servo motor 4, a first mounting frame 5, a second mounting frame 6, a rotating shaft hole 7, a first mounting hole 8, a second mounting hole 9, a first guide rod 10, a second guide rod 11, a connecting shaft 12, a first lead screw 13, a second lead screw 14, a first transmission gear 15, a second transmission gear 16, a first driven gear 17, a second driven gear 18, a first lead screw thread 19, a second lead screw thread 20, a first lead screw hole 21, a first guide rod hole 22, a second lead screw hole 23, a second guide rod hole 24, an air cavity 25, an air pipe opening 26, an air pipe 27, a secondary air cavity 28, an adsorption component 29, an adsorption nozzle 30, a connecting plate 31 and a support spring 32.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: a lathe for grooving of a bearing inner ring comprises an installation seat 1, and a first clamping plate 2 and a second clamping plate 3 which are arranged on the installation seat 1, wherein the installation seat 1 is fixedly arranged on a mechanical arm on the lathe through a connecting piece, the installation seat 1 is of a pipe body structure, the rear side end of the pipe body is arranged in a sealed mode, a servo motor 4 is fixedly arranged on the rear side wall of a pipe cavity of the installation seat 1, a first installation frame 5 and a second installation frame 6 are arranged on the side wall of the pipe cavity of the installation seat 1, rotating shaft holes 7 are respectively formed in the first installation frame 5 and the second installation frame 6, a connecting shaft 12 is rotatably arranged in the rotating shaft holes 7 in the first installation frame 5 and the second installation frame 6, the rear side end of the connecting shaft 12 is in transmission connection with a rotor of the servo motor 4 through a coupler, a first installation hole 8 and a second installation hole 9 are formed in the side wall of the pipe cavity of the installation seat 1, and a first guide rod 10 and, the first mounting hole, the second mounting hole 9, the first guide rod 10 and the second guide rod 11 are symmetrically provided with a group, the connecting shaft 12 is provided with a first transmission gear 15 and a second transmission gear 16, the hole bodies of the first mounting hole 8 and the second mounting hole 9 are respectively and rotatably provided with a first lead screw 13 and a second lead screw 14, the rear side end of the plate body of the first clamping plate 2 is provided with a first lead screw hole 21 and a first guide rod hole 22, the rear side of the plate body of the second clamping plate 3 is provided with a second lead screw hole 23 and a second guide rod hole 24, the mounting base 1 is provided with a group of the first clamping plate 2 and the second clamping plate 3, the connecting shaft 12, the first lead screw 13 and the second lead screw 14 are arranged to drive the first clamping plate 2 and the second clamping plate 3, so that the device can drive the two groups of the first clamping plate 2 and the second clamping plate 3 through a single servo motor, thereby simplifying the whole transmission structure of the device, so that it can be maintained daily.

Further, a first driven gear 17 and a second driven gear 18 are fixedly mounted on the shaft body of the first lead screw 13 and the shaft body of the second lead screw 14 respectively, the first driven gear 17, the second driven gear 18, the first transmission gear 15 and the second transmission gear 16 are all helical gears, the first driven gear 17 is meshed with the first transmission gear 15, and the second driven gear 18 is meshed with the second transmission gear 16;

further, the first lead screw 13, the second lead screw 14 and the first lead screw 13 have the same structure, and the projections of the two on the bottom surface of the mounting base 1 are vertically arranged.

Furthermore, the positions of the first screw hole 21 and the second screw hole 23 correspond to the positions of the first lead screw 13 and the second lead screw 14, the positions of the first guide rod hole 22 and the second guide rod hole 24 correspond to the positions of the first guide rod 10 and the second guide rod 11, respectively, and the first clamping plate 2 and the second clamping plate 3 are movably mounted on the first guide rod 10 and the second guide rod 11 through the first guide rod hole 22 and the second guide rod hole 24 thereon, respectively.

Furthermore, a first screw thread 19 and a second screw thread 20 are respectively disposed at two ends of the first screw 13, the first screw thread 19 and the second screw thread 20 are disposed in opposite directions, the second screw 14 and the first screw 13 have the same structure, and the screw threads on the screw structure are disposed in the corresponding screw holes in a meshing manner.

Further, air cavity 25 has all been seted up to the plate body front end of first clamp plate 2 and second clamp plate 3, air cavity 26 has been seted up to the back side end position of air cavity 25, air cavity 26 is connected with air exhaust equipment's inlet end through trachea 27, trachea 27 is for fixing on the lateral wall of mount pad 1 through the connecting piece, air cavity 25 has all been seted up through the plate body front end at first clamp plate 2 and second clamp plate 3, and secondary air cavity 28 has been seted up in one side of air cavity 25, and the activity is provided with adsorption component 29 in secondary air cavity 28's cavity, thereby it is fixed to adsorb the bearing through adsorption component, thereby improve its fixed stability.

Further, one side of the air cavity 25 is provided with four secondary air cavities 28, and the secondary air cavities 28 are arranged at equal intervals, and the adsorption component 29 is movably arranged in the cavity of the secondary air cavity 28.

Further, the adsorption component 29 is composed of an adsorption nozzle 30, a connecting plate 31 and a supporting spring 32, the adsorption nozzle 30 is made of rubber, a through hole is formed in the center of the adsorption nozzle, the connecting plate 31 is connected with the bottom surface of the adsorption nozzle, and the lower side surface of the connecting plate 31 is connected with the bottom surface of the air cavity 28 through the connecting spring 32.

Further, the outer side end of the adsorption nozzle 30 is an arc-shaped surface, when the adsorption nozzle 30 is pressed back into the secondary air cavity 28, the outer side surface of the adsorption nozzle 30 is flush with the outer side surface of the clamping plate, the radians of the outer side surfaces of the first clamping plate 2 and the second clamping plate 3 are identical to the radians of the side walls of the inner cavity of the mounting seat 1, the adsorption assembly 29 is formed by combining the adsorption nozzle 30, the connecting plate 31 and the supporting spring 32, and the adsorption nozzle 30 is made of rubber materials, so that the fixing effect between the adsorption assembly 29 and the bearing inner ring to be processed is improved.

The working principle is as follows: when the pneumatic clamping device is used actually, a worker drives the mechanical arm on the lathe for slotting the inner ring of the bearing to move right above the position of the bearing inner ring at the feeding position on the lathe, then drives the servo motor 4 to rotate reversely, so as to drive the connecting shaft 12 to rotate by driving the first transmission gear 15 and the second transmission gear 16 on the connecting shaft 12 to drive the first driven gear 17 and the second driven gear 18, so as to drive the first lead screw 13 and the second lead screw 14 to rotate, so as to drive the first clamping plate 2 and the second clamping plate 3 to move towards the middle in an abutted manner, then drives the mechanical arm to drive the inner ring of the bearing of the first clamping plate 2 and the second clamping plate 3, then drives the servo motor 4 to rotate forwards, so as to drive the first clamping plate 2 and the second clamping plate 3 to move towards the outer side, so as to clamp the inner ring of the bearing, then drives the air pumping device to pump air out of the air cavity 25 through the air pumping device, therefore, the bearing inner ring to be processed is further fixed through the negative pressure formed in the air cavity 25, the stability of the bearing inner ring in the processing process is ensured, and the quality of a processed finished product of the bearing inner ring is ensured.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.