CN211029471U

CN211029471U - Grinding machine for machining double bearing mounting positions of steering knuckles

Info

Publication number: CN211029471U
Application number: CN201921642458.1U
Authority: CN
Inventors: 邓小刚
Original assignee: Hubei Hong Bo Vehicle Co ltd
Current assignee: Hubei Hong Bo Vehicle Co ltd
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-07-17
Anticipated expiration: 2029-09-29

Abstract

The utility model relates to the technical field of grinding machines, especially, relate to a grinding machine for knuckle duplex bearing installation position processing, including the bed, the bed is provided with fixture, double-grinding mechanism, detection device, control center, the cold spray nozzle of fixed knuckle, fixture fixed knuckle and make it rotate, detection device detects the processing state of work piece and feeds back to control center, control center control double-grinding mechanism processes the position that the knuckle needs to be processed; the utility model discloses the structure science, it is easy and simple to handle, it can the automated inspection feedback, and pass through control center carries out the surplus compensation, adjusts promptly the processing position and the depth of processing of two grinding mechanisms can realize automated production, reduce cost and improve effect.

Description

Grinding machine for machining double bearing mounting positions of steering knuckles

Technical Field

The utility model relates to a grinding machine technical field especially relates to a grinding machine for knuckle duplex bearing installation position processing.

Background

The double-bearing mounting position of the steering knuckle needs high mounting precision, namely high tolerance precision and high surface finish degree are required during machining, and the requirement is difficult to achieve only by using a lathe, so that the steering knuckle is often machined by a grinding machine after finish turning; when a grinding machine is used for machining, the requirements on the dimensional accuracy, the surface smoothness, the coaxiality and the circular run-out of the double-bearing installation position are met, and high requirements are provided for the grinding machine.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, and provide a grinding machine for knuckle duplex bearing installation position processing, it passes through two synchronous operations that grind, detects compensation auxiliary system in addition to the qualified product is processed out to high efficiency.

The utility model provides a technical scheme that its technical problem adopted is: a grinding machine for machining a double bearing mounting position of a steering knuckle comprises a bed seat, wherein the bed seat is provided with a clamping mechanism for fixing the steering knuckle, a double grinding mechanism, a detection device, a control center and a cold spraying spray pipe, the clamping mechanism comprises a left driving seat and a right top seat which are opposite from each other left and right, the left driving seat is provided with a chuck rotatably connected with the left driving seat, the chuck is provided with a left thimble positioned in the center of the chuck and a top rod for restraining the steering knuckle to rotate along with the chuck, the right top seat is slidably connected with the bed seat, the right top seat is provided with a right thimble for propping against the tail part of a steering knuckle shaft, and the left thimble and the right thimble are coaxial;

The double-grinding mechanism is positioned behind the clamping mechanism and comprises a sliding table, a grinding seat, a large grinding disc and a small grinding disc, the sliding table can be connected with the bed seat in a left-right sliding manner, the grinding seat is arranged above the sliding table and can be connected with the sliding table in a front-back sliding manner, and the large grinding disc and the small grinding disc are rotationally connected with the grinding seat through the same rotating shaft;

The detection device is arranged at the top of the right top seat and comprises a base, a first folding arm, a second folding arm, a joint disc, a fixed clamping rod, a movable clamping rod and a positioning element, wherein the base is fixedly connected with the right top seat, one end of the first folding arm is rotatably connected with the base, the second folding arm is rotatably connected with the other end of the first folding arm, an air cylinder is arranged at the top end of the second folding arm, the joint disc is fixed at the top of a piston rod of the air cylinder, the fixed clamping rod is fixedly connected with the rotating part of the joint disc, the movable clamping rod is slidably connected with the fixed clamping rod, and the positioning element is fixed on the base through a long rod;

The number of the cold spraying nozzles is a plurality, and the cold spraying nozzles are fixed on the grinding base and positioned above the large grinding disc and the small grinding disc; the driving parts of all the movable elements and the positioning elements are electrically connected with a control center.

Further, the ejector rod is in threaded connection with the chuck.

Furthermore, an included angle of 15 degrees is formed between the rotating shaft of the grinding seat and the rotating shaft of the chuck plate.

Further, the large grinding disc is positioned between the grinding seat and the small grinding disc.

Further, the positioning element is a camera.

Furthermore, the cold spraying spray pipe is a universal plastic spray pipe.

The utility model has the advantages that: a grinding machine for machining a double bearing mounting position of a steering knuckle comprises a bed seat, wherein the bed seat is provided with a clamping mechanism for fixing the steering knuckle, a double-grinding mechanism, a detection device, a control center and a cold spraying spray pipe, the clamping mechanism is used for fixing the steering knuckle and enabling the steering knuckle to rotate, the detection device is used for detecting the machining state of a workpiece and feeding the machining state back to the control center, and the control center is used for controlling the double-grinding mechanism to machine the part of the steering knuckle to be machined; the utility model discloses the structure science, it is easy and simple to handle, it can the automated inspection feedback, and pass through control center carries out the surplus compensation, adjusts promptly the processing position and the depth of processing of two grinding mechanisms can realize automated production, reduce cost and improve effect.

Drawings

Fig. 1 is a perspective view of a grinding machine for machining a double bearing mounting position of a knuckle according to the present invention;

Fig. 2 is a front view of a grinding machine for machining a double bearing mounting position of a knuckle according to the present invention;

Fig. 3 is a left side view of fig. 2.

Description of reference numerals:

1-bed seat, 2-clamping mechanism, 21-left driving seat, 22-right top seat, 23-chuck plate, 24-left top pin, 25-top pin, 26-right top pin, 3-double grinding mechanism, 31-sliding table, 32-grinding seat, 33-large grinding disc, 34-small grinding disc, 4-detection device, 41-base, 42-first folding arm, 43-second folding arm, 44-cylinder, 45-joint disc, 46-fixed clamping bar, 47-movable clamping bar, 48-positioning element, 5-control center and 6-cold spray nozzle.

Detailed Description

The following detailed description of the present invention is provided in connection with the accompanying drawings and the embodiments, and is not intended to limit the scope of the invention.

As shown in fig. 1-3, the grinding machine for machining a double bearing mounting position of a knuckle of the present embodiment includes a bed 1, the bed 1 is provided with a clamping mechanism 2 for fixing the knuckle, a double grinding mechanism 3, a detection device 4, a control center 5, and a cold spray nozzle 6, the clamping mechanism 2 includes a left driving seat 21 and a right top seat 22 opposite to each other left and right, the left driving seat 21 is provided with a chuck plate 23 rotatably connected with the left driving seat 21, the chuck plate 23 is provided with a left ejector pin 24 located at the center of the chuck plate 23 and an ejector pin 25 for restraining the knuckle from rotating together with the chuck plate 23, the right top seat 22 is slidably connected with the bed 1, the right top seat 22 is provided with a right ejector pin 26 for abutting against the tail of a knuckle shaft, and the left ejector pin 24 and the right ejector pin 26 are coaxial; the double-grinding mechanism 3 is positioned behind the clamping mechanism 2, the double-grinding mechanism 3 comprises a sliding table 31, a grinding seat 32, a large grinding disc 33 and a small grinding disc 34, the sliding table 31 can be connected with the bed seat 1 in a left-right sliding manner, the grinding seat 32 is arranged above the sliding table 31, the grinding seat 32 can be connected with the sliding table 31 in a front-back sliding manner, and the large grinding disc 33 and the small grinding disc 34 are rotationally connected with the grinding seat 32 through the same rotating shaft;

The detection device 4 is arranged at the top of the right top seat 22, the detection device 4 includes a base 41, a first folding arm 42, a second folding arm 43, a joint disc 45, a fixed clamping rod 46, a movable clamping rod 47, and a positioning element 48, the base 41 is fixedly connected with the right top seat 22, one end of the first folding arm 42 is rotatably connected with the base 41, the second folding arm 43 is rotatably connected with the other end of the first folding arm 42, the top end of the second folding arm 43 is provided with an air cylinder 44, the joint disc 45 is fixed at the top of a piston rod of the air cylinder 44, the fixed clamping rod 46 is fixedly connected with a rotating part of the joint disc 45, the movable clamping rod 47 is slidably connected with the fixed clamping rod 46, and the positioning element 48 is fixed on the base 41 through a long rod;

The number of the cold spray nozzles 6 is several, and the several cold spray nozzles 6 are fixed on the grinding base 32 and are positioned above the large grinding disc 33 and the small grinding disc 34; the drive portions of all the mobile elements, the positioning element 48, are electrically connected to the control centre 5.

During production, the steering knuckle is fixed to the clamping mechanism 2, namely the centers of two ends of the steering knuckle are respectively propped by the left thimble 21 and the right thimble 22, and then the ejector rod 25 is adjusted to be propped against one fork-shaped end of the steering knuckle, so that the steering knuckle cannot rotate relative to the chuck plate 23; the diameter of the double bearing installation site is detected by the detection device 4 and fed back to the control center 5, the control center 5 controls the movement of the double grinding mechanism 3 so as to process the double bearing installation site, and the movement of the detection device 4 determines the position by means of the positioning element 48; the rotation direction of the chuck plate 23 is the same as the rotation direction of the large grinding disc 33.

In order to when two mill mechanisms 3 remove, grind seat 32 can not with the seat 21 is driven to a left side interferes, grind the pivot of seat 32 with the pivot of chuck 23 becomes 15 contained angles, like this, in order to make big mill 33 with little mill 34 can be simultaneously to duplex bearing installation position processing, big mill 33 is located grind seat 32 with between the little mill 34, just big mill 33 with the outer periphery decoration of little mill 34 has certain chamfer.

It should be finally noted that the above embodiments are only intended to illustrate the technical solutions of the present invention, and not to limit the scope of the present invention, and although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present invention can be modified or replaced with equivalents without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a grinding machine that is used for knuckle duplex bearing installation position to process which characterized in that: the grinding machine comprises a bed base (1), wherein the bed base (1) is provided with a clamping mechanism (2) for fixing a steering knuckle, a double-grinding mechanism (3), a detection device (4), a control center (5) and a cold spraying spray pipe (6), the clamping mechanism (2) comprises a left driving base (21) and a right top base (22) which are opposite from left to right, the left driving base (21) is provided with a chuck plate (23) which is rotatably connected with the left driving base (21), the chuck plate (23) is provided with a left thimble (24) which is positioned at the center of the chuck plate (23) and a mandril (25) which restricts the steering knuckle to rotate along with the chuck plate (23), the right top base (22) is slidably connected with the bed base (1), the right top base (22) is provided with a right thimble (26) which jacks the tail part of a steering knuckle shaft, and the left thimble (24) and the right thimble (26) are coaxial; the double-grinding mechanism (3) is located behind the clamping mechanism (2), the double-grinding mechanism (3) comprises a sliding table (31), a grinding seat (32), a large grinding disc (33) and a small grinding disc (34), the sliding table (31) can be connected with the bed seat (1) in a left-right sliding mode, the grinding seat (32) is arranged above the sliding table (31), the grinding seat (32) can be connected with the sliding table (31) in a front-back sliding mode, and the large grinding disc (33) and the small grinding disc (34) are rotationally connected with the grinding seat (32) through the same rotating shaft; the detection device (4) is arranged at the top of the right top seat (22), the detection device (4) comprises a base (41), a first folding arm (42), a second folding arm (43), a joint disc (45), a fixed clamping rod (46), a movable clamping rod (47) and a positioning element (48), the base (41) is fixedly connected with the right top seat (22), one end of the first folding arm (42) is rotatably connected with the base (41), the second folding arm (43) is rotatably connected with the other end of the first folding arm (42), an air cylinder (44) is arranged at the top end of the second folding arm (43), the joint disc (45) is fixed at the top of a piston rod of the air cylinder (44), the fixed clamping rod (46) is fixedly connected with the rotating part of the joint disc (45), and the movable clamping rod (47) is slidably connected with the fixed clamping rod (46), the positioning element (48) is fixed on the base (41) through a long rod;

The number of the cold spraying nozzles (6) is multiple, and the number of the cold spraying nozzles (6) is fixed on the grinding base (32) and is positioned above the large grinding disc (33) and the small grinding disc (34); the drive portions of all the movable elements, the positioning element (48), are electrically connected to the control centre (5).

2. A grinding machine for knuckle double bearing mount machining according to claim 1, characterized in that: the ejector rod (25) is in threaded connection with the chuck (23).

3. A grinding machine for knuckle double bearing mount machining according to claim 1, characterized in that: the rotating shaft of the grinding seat (32) and the rotating shaft of the chuck (23) form an included angle of 15 degrees.

4. A grinding machine for knuckle double bearing mount machining according to claim 1, characterized in that: the large grinding disc (33) is positioned between the grinding seat (32) and the small grinding disc (34).

5. A grinding machine for knuckle double bearing mount machining according to claim 1, characterized in that: the positioning element (48) is a camera.

6. A grinding machine for knuckle double bearing mount machining according to claim 1, characterized in that: the cold spraying spray pipe (6) is a universal plastic spray pipe.