CN221337972U - Grinding device with adjustable forward inclination angle - Google Patents

Abstract

The utility model discloses a grinding device with an adjustable forward inclination angle, which comprises a grinding wheel, wherein the grinding wheel is connected to a main shaft of a machine tool, the machine tool can drive the grinding wheel to move in the xyz direction in space, a workpiece is arranged on a workbench, the workbench can also move in space, the grinding device also comprises a clamping assembly and a steering mechanism, the grinding wheel is clamped by the clamping assembly, the clamping assembly is fixedly connected with the steering mechanism, and the steering mechanism is arranged on the machine tool and is connected with the main shaft of the machine tool. The included angle between the grinding tool and the feeding path is adjustable, so that the grinding tool and the feeding path form a certain included angle, and the included angle is called a front inclination angle, so that the grinding tool is suitable for grinding requirements of different curved surfaces by adjusting different front inclination angles. When the polishing machine is used, a proper grinding wheel is selected according to the requirement of a workpiece to be polished, the grinding wheel is installed through the clamping assembly, after the grinding wheel is installed, the front inclination angle of the grinding wheel is adjusted according to the curvature of the workpiece so as to facilitate polishing, and after the grinding wheel is adjusted, the machine tool and the workbench are started for polishing.

Description

Grinding device with adjustable forward inclination angle

Technical Field

The utility model relates to the field of grinding, in particular to a grinding device with an adjustable rake angle.

Background

Grinding is one of the more widely used methods of material removal. The existing grinding mode adopts columnar flexible grinding tools, such as abrasive cloth page wheels, abrasive rings, sesame grinding heads and the like for polishing, the included angle between the grinding tools and a feeding path in the traditional transverse feeding mode is not adjustable, the direction of the feeding path is the same as the direction of milling lines, and the cutting direction of abrasive particles on the surface of a workpiece is parallel to the relative feeding direction of the grinding tools. Therefore, when the complex curved surface is subjected to grinding treatment, the traditional transverse feed mode is difficult to extend into the complex curved surface for grinding, so that the workpiece cannot reach the machining standard, and the quality of the workpiece is affected.

Disclosure of utility model

The utility model aims to provide a grinding device with an adjustable forward inclination angle, so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a grinding device of anteverted angle adjustable, includes the emery wheel, connects the emery wheel on the main shaft of lathe, and the lathe can drive the emery wheel and carry out the space removal of xyz direction, and the work piece is installed on the workstation, and the workstation also can carry out the space removal, still includes clamping assembly, steering mechanism, the emery wheel is tight through clamping assembly clamp, clamping assembly fixed connection steering mechanism, and steering mechanism installs on the lathe to be connected with the main shaft of lathe.

Preferably, the grinding wheel is fixedly connected to one end of the grinding shaft, threads are arranged at the other end of the grinding shaft, and the middle part of the grinding shaft is fixedly connected with the baffle.

Preferably, the clamping assembly comprises a jacket, a push block and clamping jaws, wherein a grinding shaft is inserted into the jacket, the grinding shaft is in threaded connection with a threaded sleeve, the threaded sleeve is fixed in the jacket, the push block is arranged in front of the threaded sleeve, the push block is in sliding connection with the threaded sleeve, one surface of the push block is in contact with a baffle plate, one end of the push block, which is close to the threaded sleeve, is small, one end, which is far away from the threaded sleeve, of the push block is large, the middle part of the push block is in sliding connection with the grinding shaft, the outer side of the push block is in sliding connection with one ends of the clamping jaws, the other ends of the clamping jaws clamp the grinding shaft, the middle parts of the clamping jaws are hinged with a support fixed in the jacket through torsion springs, and the torsion springs enable the clamping jaws to be in an outwards opened state under the action of no stress.

Preferably, the push block is fixedly connected with one end of the sliding cylinder, the other end of the sliding cylinder slides in the thread sleeve, one end of the sliding cylinder, which is far away from the push block, is fixedly connected with one ends of a plurality of springs, and the other ends of the springs are fixed in the thread sleeve.

Preferably, the steering mechanism comprises a steering box, a driving part and a steering part, wherein the steering box is fixedly connected to the machine tool through a steering box bracket, the main shaft penetrates into and is rotationally connected with the steering box, the driving part and the steering part are arranged in the steering box, the driving part is connected with the main shaft to drive the grinding wheel to rotate, and the rotating part drives the grinding wheel to move to adjust the front inclination angle.

Preferably, the driving part comprises a rotating shaft, a rotating shaft gear and an end face gear, one end of the rotating shaft is fixedly connected with the jacket, the other end of the rotating shaft penetrates into and is in sliding connection with the steering box, the other end of the rotating shaft is fixedly connected with the rotating shaft gear, the rotating shaft gear is meshed with the end face gear, the end face gear is fixedly connected with the main shaft, and the rotating shaft gear and the end face gear are rotationally connected in the steering box.

Preferably, the steering part comprises an annular sliding rail and a vertical sliding rail, one end of the rotating shaft bracket is rotationally connected to the middle part of the rotating shaft, the other end of the rotating shaft bracket is fixedly connected with a bracket sliding block, the bracket sliding block slides in the annular sliding rail and the vertical sliding rail, the vertical sliding rail is positioned below the annular sliding rail, the length of the vertical sliding rail is greater than or equal to the maximum length of the annular sliding rail in the sliding direction of the vertical sliding rail, the annular sliding rail and the face gear are concentrically arranged, the output end of the vertical sliding rail is fixedly connected with an air cylinder, and the annular sliding rail and the air cylinder are fixed in the steering box.

Preferably, the middle part of the grinding shaft is also fixedly connected with a nut which is convenient for grasping and rotating.

Compared with the prior art, the utility model has the beneficial effects that: the included angle between the grinding tool and the feeding path is adjustable, so that the grinding tool and the feeding path form a certain included angle, and the included angle is called a front inclination angle, so that the grinding tool is suitable for grinding requirements of different curved surfaces by adjusting different front inclination angles. When the polishing machine is used, a proper grinding wheel is selected according to the requirement of a workpiece to be polished, the grinding wheel is installed through the clamping assembly, after the grinding wheel is installed, the front inclination angle of the grinding wheel is adjusted according to the curvature of the workpiece so as to facilitate polishing, and after the grinding wheel is adjusted, the machine tool and the workbench are started for polishing.

Drawings

FIG. 1 is a schematic diagram of the main structure of the present utility model;

FIG. 2 is a schematic view of a clamping assembly according to the present utility model;

FIG. 3 is a schematic view of the steering mechanism of the present utility model;

FIG. 4 is a schematic view showing the internal structure of the steering box of the present utility model;

fig. 5 is a schematic view of the structure of the rake angle grinding of the present utility model.

In the figure: 1. grinding wheel, 101, grinding shaft, 102, nut, 103, baffle, 2, jacket, 201, thread bush, 202, push block, 203, slide cylinder, 204, clamping jaw, 205, spring, 3, rotating shaft, 301, rotating shaft gear, 302, face gear, 303, rotating shaft bracket, 304, bracket slide block, 305, annular slide rail, 306, vertical slide rail, 307, cylinder, 308, steering box, 309, steering box bracket, 4, machine tool, 401, main shaft, 5, workpiece, 6 and workbench.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, in order to solve the problem that the included angle between the grinding tool and the feeding path is not adjustable in the conventional transverse feeding mode, and the complex curved surface is difficult to extend into for grinding, the included angle between the grinding tool and the feeding path is adjustable, so that the grinding tool and the feeding path form a certain included angle, which is called a rake angle, so that the grinding needs of different curved surfaces can be met by adjusting different rake angles, the utility model provides a technical scheme that: the utility model provides a grinding device of anteverted angle adjustable, includes emery wheel 1, connects emery wheel 1 on the main shaft 401 of lathe 4, and lathe 4 can drive emery wheel 1 and carry out the space removal of xyz direction, and work piece 5 is installed on workstation 6, and workstation 6 also can carry out the space removal, still includes clamping assembly, steering mechanism, and emery wheel 1 presss from both sides tightly through clamping assembly, clamping assembly fixed connection steering mechanism, and steering mechanism installs on lathe 4 to be connected with main shaft 401 of lathe 4. In the utility model, the machine tool 4, the workbench 6, the motor, the air cylinder, the push rod and other electrical elements are all of the existing types. When the grinding wheel is used, a proper grinding wheel 1 is selected according to the requirement of a workpiece 5 to be ground, the grinding wheel 1 is installed through the clamping assembly, after the grinding wheel 1 is installed, the front inclination angle of the grinding wheel 1 is adjusted according to the curvature of the workpiece 5 so as to facilitate grinding, and after the grinding is adjusted, the machine tool 4 and the workbench 6 are started for grinding. Various grinding wheels 1 can be replaced for grinding as required to achieve the required accuracy. The polishing device is used for polishing the aero blade, so that the aero blade is greatly facilitated to be processed, collision between the grinding tool and the blade in the whole blade disc processing process is avoided, the surface roughness can be rapidly reduced, the polishing efficiency is improved, and the polishing processing efficiency of the whole blade disc blade of the aero engine is improved.

Referring to fig. 2, in order to facilitate replacement of the grinding wheel 1, a clamping assembly is provided, the grinding wheel 1 is fixedly connected to one end of the grinding shaft 101, the other end of the grinding shaft 101 is provided with threads, and a baffle 103 is fixedly connected to the middle of the grinding shaft 101. The middle part of the grinding shaft 101 is also fixedly connected with a nut 102 which is convenient for grasping and rotating. The clamping assembly comprises a clamping sleeve 2, a push block 202 and clamping jaws 204, wherein a grinding shaft 101 is inserted into the clamping sleeve 2, the grinding shaft 101 is in threaded connection with a threaded sleeve 201, the threaded sleeve 201 is fixed in the clamping sleeve 2, the push block 202 is arranged in front of the threaded sleeve 201, one surface of the push block 202 is in contact with a connecting baffle plate 103, one end of the push block 202, which is close to the threaded sleeve 201, is small, one end, which is far away from the threaded sleeve 201, is large, the middle part of the push block 202 is in sliding connection with the grinding shaft 101, the outer sides of the push block 202 are in sliding connection with one ends of the clamping jaws 204, the other ends of the clamping jaws 204 clamp the grinding shaft 101, the middle parts of the clamping jaws 204 are hinged with a support fixed in the clamping sleeve 2 through torsion springs, and the torsion springs enable the clamping jaws 204 to be in an outwards opened state under the action of no stress. The push block 202 is fixedly connected with one end of the sliding cylinder 203, the other end of the sliding cylinder 203 slides in the threaded sleeve 201, one end of the sliding cylinder 203, which is far away from the push block 202, is fixedly connected with one ends of the springs 205, and the other ends of the springs 205 are fixed in the threaded sleeve 201. When the grinding shaft 101 is used, the grinding shaft 101 is inserted into the jacket 2, the nut 102 is rotated, the nut 102 drives the grinding shaft 101 to rotate, the threaded end of the grinding shaft 101 is in threaded connection with the threaded sleeve 201, along with the insertion of the grinding shaft 101, the grinding shaft 101 drives the baffle plate 103 to move, the baffle plate 103 pushes the push block 202, the push block 202 moves towards the threaded sleeve 201, the push block 202 pushes one end of the clamping jaw 204, the other end of the clamping jaw is close to each other, the grinding shaft 101 is further clamped, the connection with the grinding shaft 101 is stable, in the process, the push block 202 pushes the sliding cylinder 203, the sliding cylinder 203 slides into the threaded sleeve 201, and the spring 205 is compressed; when the grinding shaft 101 is taken out, the push block 202 is reset under the action of the spring 205.

Referring to fig. 3, in order to facilitate adjustment of the rake angle, a steering mechanism is provided, the steering mechanism includes a steering box 308, a driving portion and a steering portion, the steering box 308 is fixedly connected to the machine tool 4 through a steering box bracket 309, a spindle 401 penetrates and is rotatably connected to the steering box 308, the driving portion and the steering portion are installed in the steering box 308, the driving portion is connected to the spindle 401 to drive the grinding wheel 1 to rotate, and the rotating portion drives the grinding wheel 1 to move to adjust the rake angle. The driving part comprises a rotating shaft 3, a rotating shaft gear 301 and a face gear 302, one end of the rotating shaft 3 is fixedly connected with a jacket 2, the other end penetrates into and is in sliding connection with a steering box 308, the other end of the rotating shaft 3 is fixedly connected with the rotating shaft gear 301, the rotating shaft gear 301 is meshed with the face gear 302, the face gear 302 is fixedly connected with a main shaft 401, and the rotating shaft gear 301 and the face gear 302 are rotatably connected in the steering box 308. The steering part comprises an annular slide rail 305 and a vertical slide rail 306, one end of a rotating shaft bracket 303 is rotatably connected to the middle part of a rotating shaft 3, the other end of the rotating shaft bracket 303 is fixedly connected with a bracket sliding block 304, the bracket sliding block 304 slides in the annular slide rail 305 and the vertical slide rail 306, the vertical slide rail 306 is positioned below the annular slide rail 305, the length of the vertical slide rail 306 is greater than or equal to the maximum length of the annular slide rail 305 in the sliding direction of the vertical slide rail 306, the annular slide rail 305 and the face gear 302 are concentrically arranged, the vertical slide rail 306 is fixedly connected with the output end of a cylinder 307, and the annular slide rail 305 and the cylinder 307 are fixed in a steering box 308. When the rotating shaft is adjusted, the steering part is started firstly, the air cylinder 307 is started, the air cylinder 307 drives the vertical sliding rail 306 to move, the vertical sliding rail 306 moves to drive the bracket sliding block 304 to slide in the annular sliding rail 305, the bracket sliding block 304 drives the rotating shaft bracket 303 to move, the rotating shaft bracket 303 drives the rotating shaft 3 to rotate to form a forward inclination angle, and the rotating shaft gear 301 and the face gear 302 are always in a meshed state in the moving process of the rotating shaft 3; when the front inclination angle is adjusted, the spindle 401 of the machine tool 4 of the driving part is started again to drive the face gear 302 to rotate, the face gear 302 is driven to rotate to drive the rotating shaft gear 301 to rotate, the rotating shaft gear 301 drives the rotating shaft 3 to rotate, the rotating shaft 3 drives the grinding wheel 1 to rotate for grinding, and in the process, the machine tool 4 and the workbench 6 move in a matched mode.

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

Claims (8)

1. The utility model provides a grinding device of anteverted angle adjustable, includes emery wheel (1), connects emery wheel (1) on main shaft (401) of lathe (4), and lathe (4) can drive emery wheel (1) and carry out the space removal of xyz direction, and work piece (5) are installed on workstation (6), and workstation (6) also can carry out space removal, its characterized in that: the grinding wheel (1) is clamped through the clamping assembly, the clamping assembly is fixedly connected with the steering mechanism, and the steering mechanism is arranged on the machine tool (4) and is connected with a main shaft (401) of the machine tool (4).

2. A grinding apparatus with adjustable rake angle as set forth in claim 1, wherein: the grinding wheel (1) is fixedly connected to one end of the grinding shaft (101), threads are arranged at the other end of the grinding shaft (101), and the middle part of the grinding shaft (101) is fixedly connected with the baffle (103).

3. A grinding apparatus with adjustable rake angle as set forth in claim 2, wherein: the clamping assembly comprises a clamping sleeve (2), a push block (202) and clamping jaws (204), wherein a grinding shaft (101) is inserted into the clamping sleeve (2), the grinding shaft (101) is in threaded connection with a threaded sleeve (201), the threaded sleeve (201) is fixed in the clamping sleeve (2), the push block (202) is arranged in front of the threaded sleeve (201), the push block (202) is in sliding connection with the threaded sleeve (201), one surface of the push block is contacted with a connecting baffle (103), one end of the push block (202) close to the threaded sleeve (201) is small, one end far away from the threaded sleeve (201) is large, the middle part of the push block (202) is in sliding connection with the grinding shaft (101), one end of the clamping jaws (204) is in sliding connection with the outer side of the clamping jaws, the other ends of the clamping jaws (204) are hinged with a support fixed in the clamping sleeve (2) through torsion springs, and the clamping jaws (204) are in an outwards opened state under the action of no force.

4. A grinding apparatus with adjustable rake angle according to claim 3, characterized in that: the push block (202) is fixedly connected with one end of the sliding cylinder (203), the other end of the sliding cylinder (203) slides in the threaded sleeve (201), one end of the sliding cylinder (203) away from the push block (202) is fixedly connected with one ends of a plurality of springs (205), and the other ends of the springs (205) are fixed in the threaded sleeve (201).

5. A grinding apparatus with adjustable rake angle according to claim 3, characterized in that: the steering mechanism comprises a steering box (308), a driving part and a steering part, wherein the steering box (308) is fixedly connected to a machine tool (4) through a steering box bracket (309), a main shaft (401) penetrates into and rotates to be connected with the steering box (308), the driving part and the steering part are arranged in the steering box (308), the driving part is connected with the main shaft (401) to drive the grinding wheel (1) to rotate, and the rotating part drives the grinding wheel (1) to move to adjust the front dip angle.

6. The adjustable rake grinding apparatus of claim 5, wherein: the driving part comprises a rotating shaft (3), a rotating shaft gear (301) and a face gear (302), one end of the rotating shaft (3) is fixedly connected with a jacket (2), the other end of the rotating shaft (3) penetrates into and is in sliding connection with a steering box (308), the other end of the rotating shaft (3) is fixedly connected with the rotating shaft gear (301), the rotating shaft gear (301) is meshed with the face gear (302), the face gear (302) is fixedly connected with a main shaft (401), and the rotating shaft gear (301) and the face gear (302) are rotationally connected in the steering box (308).

7. The adjustable rake grinding apparatus as set forth in claim 6, wherein: the steering part comprises an annular sliding rail (305) and a vertical sliding rail (306), one end of a rotating shaft support (303) is connected to the middle of a rotating shaft (3) in a rotating mode, the other end of the rotating shaft support (303) is fixedly connected with a support sliding block (304), the support sliding block (304) slides in the annular sliding rail (305) and the vertical sliding rail (306), the vertical sliding rail (306) is located below the annular sliding rail (305), the length of the vertical sliding rail (306) is greater than or equal to the maximum length of the annular sliding rail (305) in the sliding direction of the vertical sliding rail (306), the annular sliding rail (305) and the face gear (302) are concentrically arranged, the output end of a cylinder (307) is fixedly connected to the vertical sliding rail (306), and the annular sliding rail (305) and the cylinder (307) are fixed in a steering box (308).

8. A grinding apparatus with adjustable rake angle as set forth in claim 2, wherein: the middle part of the grinding shaft (101) is also fixedly connected with a nut (102) which is convenient for gripping and rotating.