Grinding mechanism

Abstract

The utility model provides a polishing mechanism which comprises a base, a Y-axis driving device, a first sliding plate, a second sliding plate, a polishing torsion control device, a polishing wheel driving device and a polishing wheel. The Y-axis driving device is installed on the base, and the power output end of the Y-axis driving device is connected with the first sliding plate. The second sliding plate is connected above the first sliding plate in a front-back sliding manner; the grinding torsion control device comprises a first motor, a gear and a rack; the first motor is installed on the rear portion of the first sliding plate, and the power output end is connected with the gear. The rack is longitudinally mounted at the rear part of the second sliding plate and is meshed with the gear; according to the design, during grinding, the grinding torsion can be controlled through the grinding torsion control device, a compensation function is achieved for a ground workpiece, and the machining precision is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of grinding machine tools, in particular to a grinding mechanism. Background Art

[0002] The grinding mechanism is used to grind and polish the workpiece, and currently in the processing process, the grinding mechanism cooperates with the clamping mechanism to realize the grinding of the workpiece through multi-axis control, which is directly controlled by multi-axis linkage. However, the grinding wheel will be worn during the grinding process, the grinding torque cannot be guaranteed, and there is no compensation function for the polished workpiece, so the grinding accuracy cannot be guaranteed. Utility Model Content

[0003] The purpose of the utility model is to provide a grinding mechanism to solve the problems mentioned in the background technology.

[0004] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0005] A grinding mechanism comprises a base, a Y-axis driving device, a first sliding plate, a second sliding plate, a grinding torque control device, a grinding wheel driving device and a grinding wheel; the Y-axis driving device is installed on the base and the power output end is connected to the first sliding plate; the second sliding plate is connected to the top of the first sliding plate by sliding forward and backward; the grinding torque control device comprises a first motor, a gear and a rack; the first motor is installed at the rear of the first sliding plate and the power output end is connected to the gear; the rack is longitudinally installed at the rear of the second sliding plate and meshes with the gear; the grinding wheel driving device is installed at the front of the second sliding plate and the power output end is connected to the grinding wheel.

[0006] Further description of the utility model, the Y-axis drive device includes a second motor and a screw; the second motor is installed on the base and the power output end is connected to the screw, and the screw is rotatably connected to the base; the first sliding plate is connected to the screw through a nut.

[0007] Further description of the utility model, the grinding torque control device also includes a first motor seat, a shaft seat and a limit support shaft; the shaft seat and the first motor seat are installed on the first sliding plate and are respectively located on the left and right sides of the second sliding plate; the first motor is fixed on the first motor seat; the right part of the gear is installed on the power output end of the first motor through a keyway; the limit support shaft is rotatably connected to the shaft seat; the right end of the limit support shaft extends into the left part of the gear; a limit baffle is provided on the limit support shaft; the limit baffle is in contact with the left end face of the gear.

[0008] Further description of the utility model, the grinding wheel drive device includes a spindle box, a spindle, a driving wheel, a driven wheel, a synchronous belt, a third motor and a second motor seat; the spindle box is fixed on the second sliding plate; the spindle is rotatably connected to the spindle box; the driven wheel is installed at the rear end of the spindle; the third motor is installed above the spindle box through the second motor seat; the driving wheel is installed at the power output end of the third motor; the synchronous belt transmission is connected between the driving wheel and the driven wheel; the grinding wheel is installed at the front end of the spindle.

[0009] The beneficial effects of the utility model are:

[0010] The Y-axis drive device of the present design can control the forward and backward movement of the first sliding plate, thereby controlling the grinding wheel to move to the specified grinding position. During the grinding process, the grinding torque is controlled by the torque control device, which has a compensation function for the grinding workpiece, thereby ensuring the grinding accuracy of the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the overall structure diagram of the utility model;

[0012] Figure 2 It is a connection structure diagram of the grinding wheel driving device and the grinding wheel of the utility model. DETAILED DESCRIPTION

[0013] The utility model is further described below in conjunction with the accompanying drawings:

[0014] like Figure 1-2As shown, a grinding mechanism includes a base 31, a Y-axis driving device 321, a first sliding plate 322, a second sliding plate 323, a grinding torque control device 324, a grinding wheel driving device 325 and a grinding wheel 326; the Y-axis driving device 321 is installed on the base 31 and the power output end is connected to the first sliding plate 322; the second sliding plate 323 is connected to the top of the first sliding plate 322 by sliding forward and backward; the grinding torque control device 324 includes a first motor 3241, a gear 3242 and a rack 3243; the first motor 3241 is installed at the rear of the first sliding plate 322 and the power output end is connected to the gear 3242; the rack 3243 is longitudinally installed at the rear of the second sliding plate 323 and meshes with the gear 3242; the grinding wheel driving device 325 is installed at the front of the second sliding plate 323 and the power output end is connected to the grinding wheel 326; the Y-axis driving device 321 is used to control the forward and backward movement of the first sliding plate 322 to transport the grinding wheel 326 to the processing position. During the grinding process, the grinding torque control device 324 drives the gear 3242 to rotate through the first motor 3241, and the gear 3242 cooperates with the rack 3243 to control the forward and backward movement of the second sliding plate 323, control the grinding torque, and have a compensation function for the grinding workpiece, thereby ensuring the grinding accuracy of the two sets of grinding mechanisms 32 on the workpiece.

[0015] The Y-axis driving device 321 includes a second motor 3211 and a screw; the second motor 3211 is installed on the base 31 and the power output end is connected to the screw, and the screw is rotatably connected to the base 31; the first sliding plate 322 is connected to the screw through a nut, and the second motor 3211 drives the screw to rotate and drive the first sliding plate 322 to move, with high control accuracy.

[0016] The grinding torque control device 324 also includes a first motor seat 3244, a shaft seat 3245 and a limit support shaft 3246; the shaft seat 3245 and the first motor seat 3244 are installed on the first sliding plate 322 and are respectively located on the left and right sides of the second sliding plate 323; the first motor 3241 is fixed on the first motor seat 3244; the right part of the gear 3242 is installed on the power output end of the first motor 3241 through a keyway; the limit support shaft 3246 is rotatably connected to the shaft seat 3245; the right end of the limit support shaft 3246 extends into the left part of the gear 3242; a limit baffle 3246-1 is provided on the limit support shaft 3246; the limit baffle 3246-1 contacts with the left end face of the gear 3242 to improve the transmission stability of the gear 3242.

[0017] The grinding wheel driving device 325 includes a spindle box 3251, a spindle 3252, a driving wheel 3253, a driven wheel 3254, a synchronous belt 3255, a third motor 3256 and a second motor seat 3257; the spindle box 3251 is fixed on the second sliding plate 323; the spindle 3252 is rotatably connected to the spindle box 3251; the driven wheel 3254 is installed at the rear end of the spindle 3252; the third motor 3256 is installed on the spindle box 3251 through the second motor seat 3257 The driving wheel 3253 is installed on the top of the axle box 3251; the driving wheel 3253 is installed at the power output end of the third motor 3256; the synchronous belt 3255 is connected between the driving wheel 3253 and the driven wheel 3254; the grinding wheel 326 is installed at the front end of the main shaft 3252, the third motor 3256 drives the driving wheel 3253 to rotate, the driving wheel 3253 drives the driven wheel 3254 to rotate through the synchronous belt 3255, and the driven wheel 3254 drives the grinding wheel 326 to rotate through the main shaft 3252.

[0018] The above description does not limit the technical scope of the present invention. Any modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A grinding mechanism, characterized in that: It includes a base, a Y-axis drive device, a first sliding plate, a second sliding plate, a grinding torque control device, a grinding wheel drive device and a grinding wheel; the Y-axis drive device is installed on the base and the power output end is connected to the first sliding plate; the second sliding plate is connected to the top of the first sliding plate for sliding back and forth; the grinding torque control device includes a first motor, a gear and a rack; the first motor is installed at the rear of the first sliding plate and the power output end is connected to the gear; the rack is longitudinally installed at the rear of the second sliding plate and meshes with the gear; the grinding wheel drive device is installed at the front of the second sliding plate and the power output end is connected to the grinding wheel.

2. A grinding mechanism according to claim 1, characterized in that: The Y-axis driving device includes a second motor and a screw rod; the second motor is installed on the base and the power output end is connected to the screw rod, and the screw rod is rotatably connected to the base; the first sliding plate is connected to the screw rod through a nut.

3. A grinding mechanism according to claim 1, characterized in that: The grinding torque control device also includes a first motor seat, a shaft seat and a limit support shaft; the shaft seat and the first motor seat are installed on the first sliding plate and are respectively located on the left and right sides of the second sliding plate; the first motor is fixed on the first motor seat; the right part of the gear is installed on the power output end of the first motor through a keyway; the limit support shaft is rotatably connected to the shaft seat; the right end of the limit support shaft extends into the left part of the gear; a limit baffle is provided on the limit support shaft; the limit baffle is in contact with the left end face of the gear.

4. A grinding mechanism according to claim 1, characterized in that: The grinding wheel driving device includes a spindle box, a spindle, a driving wheel, a driven wheel, a synchronous belt, a third motor and a second motor seat; the spindle box is fixed on the second sliding plate; the spindle is rotatably connected to the spindle box; the driven wheel is installed at the rear end of the spindle; the third motor is installed above the spindle box through the second motor seat; the driving wheel is installed at the power output end of the third motor; the synchronous belt transmission is connected between the driving wheel and the driven wheel; the grinding wheel is installed at the front end of the spindle.

Images