Inner diameter grinding machine capable of detecting flatness

By using a three-claw chuck and detection plate structure on an inner diameter grinder, and using pointers and bead mechanisms to detect the flatness of the bearings, the problem of removing the bearings in the prior art can be solved, and the workpiece clamping state is realized The flatness detection is convenient and accurate.

CN119115680APending Publication Date: 2024-12-13XIANGYANG EAGLE BEARING CO LTD
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Patent Information

Application Number
CN202411563597.0
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-11-04
Publication Date
2024-12-13

AI Technical Summary

Technical Problem

The existing inner diameter grinder needs to remove the bearings to measure the flatness after grinding the inner diameter of the bearing. It is difficult to measure the workpiece while clamping and working, which is more troublesome.

Method used

An inner diameter grinder that can detect flatness is designed, adopts a three-jaw chuck and a detection plate structure, and the bearing inner diameter flatness is detected by the pointer and bead mechanism on the detection plate, and an electric push rod and gear system are used to prevent the impact of the grinding wheel. Testing process.

Benefits of technology

It realizes that the inner diameter flatness detection can be carried out in the clamping state of the workpiece, improves the convenience and accuracy of measurement, avoids the steps of removing the bearings, and simplifies the operation process.

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Abstract

The invention discloses an inner diameter grinding machine capable of detecting flatness, and relates to the field of inner diameter grinding machines capable of detecting flatness, the inner diameter grinding machine capable of detecting flatness comprises a main body, a three-jaw chuck is arranged in the main body, a first threaded cylinder is arranged in the three-jaw chuck, and a plurality of groups of detection plates are arranged on the outer side of the first threaded cylinder; multiple groups of first pipelines at different positions are arranged in the detection plate, second pipelines are arranged at the head ends of the outer sides of the first pipelines, second springs are arranged in the second pipelines, and telescopic rods are arranged in the second springs. The second threaded cylinder drives the first threaded cylinder to move towards one side, the first threaded cylinder drives the detection plate and the wedge-shaped block to move towards one side, the wedge-shaped block moves towards one side and is extruded by the outer side of the conical column so that the wedge-shaped block can move towards the outer side, the wedge-shaped block drives the detection plate to move towards the outer side, and the detection plate can make contact with bearing inner diameters of different sizes.
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Description

Technical Field

[0001] The invention relates to the field of inner diameter grinders for detecting flatness, in particular to an inner diameter grinder capable of detecting flatness. Background Art

[0002] An internal diameter grinder, also known as an internal cylindrical grinder, is a machine tool specifically used for machining the inner hole and end face of a workpiece. Types of internal diameter grinders include ordinary internal cylindrical grinders, planetary internal cylindrical grinders, centerless internal cylindrical grinders, etc., which are divided into horizontal and vertical types according to the configuration of the grinding wheel shaft.

[0003] The existing internal diameter grinder usually has a chuck mounted on the headstock spindle to clamp the workpiece for circular feeding motion, and the worktable drives the grinding wheel frame to perform longitudinal reciprocating motion along the bed guide rail, and the bearing is precisely ground by the grinding tool.

[0004] After grinding the inner diameter of the bearing, the existing device needs to remove the bearing to measure the inner diameter flatness. It is not possible to measure the flatness while the workpiece is clamped and working, which is quite troublesome. Summary of the invention

[0005] The purpose of the present invention is to provide an inner diameter grinder capable of detecting flatness in order to solve the problem that the inner diameter flatness can only be measured after the bearing is removed and the flatness cannot be measured while the workpiece is clamped and working, which is relatively troublesome.

[0006] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an inner diameter grinder capable of detecting flatness, wherein a three-jaw chuck is arranged inside the main body, a No. 1 threaded barrel is arranged inside the three-jaw chuck, a plurality of detection plates are arranged outside the No. 1 threaded barrel, a plurality of No. 1 pipes at different positions are arranged inside the detection plate, a pointer at the end of the No. 1 pipe swings greatly, and when the inner diameter of the bearing is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing is flat, a No. 2 pipe is arranged at the head end of the outer side of the No. 1 pipe, a No. 2 spring is arranged inside the No. 2 pipe, a telescopic rod is arranged inside the No. 2 spring, a plug is arranged at the end of the telescopic rod, the top of the plug is located at the end of the No. 2 pipe and is connected to a ball when rotating, when the inner diameter of the bearing is uneven, the outer side of the ball will be squeezed to make the ball slide to one side, the ball pushes the plug to slide to one side, and the plug slides to one side to push the air inside the No. 1 pipe and the No. 2 pipe, a detection meter is arranged at the end of the No. 1 pipe, and a certain volume of gas is arranged inside the No. 2 pipe.

[0007] As a further solution of the present invention: the outer side of the No. 1 threaded barrel is located inside the detection plate and a No. 1 groove is provided, a meshing No. 2 threaded barrel is provided on one side of the interior of the No. 1 threaded barrel, a No. 3 gear ring is fixed to the end of the outer side of the No. 2 threaded barrel, and a No. 2 gear is provided on the outer side of the No. 3 gear ring. When contacting the inner diameter of the bearing, the No. 2 gear is pulled by the electric push rod to stop the meshing of the No. 2 gear with the No. 3 gear ring, thereby stopping the detection plate from moving outward.

[0008] As a further solution of the present invention: a No. 1 gear ring is fixed to one side of the three-jaw chuck, and a No. 2 gear ring is fixed to one side of the No. 1 gear ring. When the gear ring rotates, it drives the No. 2 gear ring to rotate, the No. 2 gear ring drives the No. 2 gear to rotate, and the No. 2 gear drives the No. 3 gear ring to rotate. A bearing is arranged inside the other side of the three-jaw chuck.

[0009] As a further solution of the present invention: a motor is installed at one end of the three-jaw chuck, the motor drives gear No. 1 to rotate, gear No. 1 drives gear ring No. 1 to rotate, gear ring No. 1 drives the three-jaw chuck and the bearing to rotate, and gear No. 1 is fixed to the output end of the motor, and the gear No. 1 is meshed with the gear ring No. 1.

[0010] As a further solution of the present invention: a fixing plate is provided on one side of the No. 2 gear ring, one side of the fixing plate is rotatably connected to the end of the No. 2 gear, and multiple groups of No. 1 springs are provided on the other side of the fixing plate, and a connecting ring is fixed on the outer side of one side of the fixing plate.

[0011] As a further solution of the present invention: the outer side of the connecting ring is connected to the outer side of the No. 1 pipe, a fixing rod is fixed to the middle of the fixing plate, a conical column is fixed to the end of the fixing rod, and the conical column is arranged inside the No. 1 gear ring.

[0012] As a further solution of the present invention: an electric push rod is installed on the top of the other side of the fixing plate, and the output end of the electric push rod is rotationally connected to the end of the second gear.

[0013] As a further solution of the present invention: a wedge block is fixed at the bottom of the detection plate, the No. 3 gear ring drives the No. 2 threaded barrel to rotate, the No. 2 threaded barrel drives the No. 1 threaded barrel to move to one side, the No. 1 threaded barrel drives the detection plate and the wedge block to move to one side, and the wedge block is slidably connected to the inside of the No. 1 groove.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. When the gear ring is rotated, it drives the No. 2 gear ring to rotate, the No. 2 gear ring drives the No. 2 gear to rotate, the No. 2 gear drives the No. 3 gear ring to rotate, the No. 3 gear ring drives the No. 2 threaded barrel to rotate, the No. 2 threaded barrel drives the No. 1 threaded barrel to move to one side, the No. 1 threaded barrel drives the detection plate and the wedge block to move to one side, the wedge block moves to one side and is squeezed by the outer side of the tapered column to move outward, the wedge block drives the detection plate to move outward, so that the detection plate can contact the inner diameters of bearings of different sizes.

[0016] 2. Pull the No. 2 gear through the set electric push rod to stop the No. 2 gear from meshing with the No. 3 gear ring, thereby stopping the detection plate from moving outward. When the grinding wheel grinds the inner diameter of the bearing, the grinding wheel will move toward the inside of the bearing. When the grinding wheel moves toward the inside of the bearing, it will squeeze one side of the No. 1 threaded barrel, and the No. 1 threaded barrel will move to the other side through the No. 1 spring to prevent the No. 1 threaded barrel from affecting the grinding wheel.

[0017] 3. Through the detection plate set up, when the inner diameter of the bearing is uneven, the outer side of the ball will be squeezed to make the ball slide to one side, and the ball pushes the plug to slide to one side. The sliding of the plug pushes the air inside pipe No. 1 and pipe No. 2, causing the pointer at the end of pipe No. 1 to swing greatly. When the inner diameter of the bearing is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing is flat. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention;

[0020] Figure 3 The three-jaw chuck structure of the present invention is schematically shown;

[0021] Figure 4 The internal structure of the three-jaw chuck of the present invention is schematically shown;

[0022] Figure 5 It is a schematic diagram of the detection board structure of the present invention;

[0023] Figure 6 It is a schematic diagram of the bead structure of the present invention.

[0024] In the figure: 1. main body; 2. three-jaw chuck; 201. bearing; 202. gear ring No. 1; 203. gear ring No. 2; 204. motor; 205. gear No. 1; 3. threaded barrel No. 1; 301. groove No. 1; 302. threaded barrel No. 2; 303. gear ring No. 3; 304. gear No. 2; 4. fixing plate; 401. spring No. 1; 402. connecting ring; 403. fixing rod; 404. conical column; 405. detection plate; 406. wedge block; 407. electric push rod; 5. pipe No. 1; 501. detection meter; 502. pipe No. 2; 503. spring No. 2; 504. telescopic rod; 505. plug; 506. ball. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0026] See also Figure 4 , 56. In an embodiment of the present invention, an inner diameter grinder capable of detecting flatness includes a main body 1, a three-jaw chuck 2 is arranged inside the main body 1, a No. 1 threaded barrel 3 is arranged inside the three-jaw chuck 2, a plurality of detection plates 405 are arranged outside the No. 1 threaded barrel 3, a plurality of No. 1 pipes 5 at different positions are arranged inside the detection plate 405, a pointer in 501 at the end of the No. 1 pipe 5 swings greatly, and when the inner diameter of the bearing 201 is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing 201 is flat, a No. 2 pipe 502 is arranged at the head end of the outer side of the No. 1 pipe 5, a No. 2 spring 503 is arranged inside the No. 2 spring 503, a telescopic rod 504 is arranged inside the No. 2 spring 503, a plug 505 is arranged at the end of the telescopic rod 504, the top of the plug 505 is located at the end of the No. 2 pipe 502, and a round ball 506 is connected to the end of the rotation. When the bearing 201 is flat, the pointer in 501 at the end of the No. 1 pipe 5 swings greatly, and when the inner diameter of the bearing 201 is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing 201 is flat, a No. 2 pipe 502 is arranged at the head end of the outer side of the No. 1 pipe 5, a No. 2 spring 503 is arranged inside the No. 2 spring 503, a telescopic rod 504 is arranged at the end of the telescopic rod 504, a plug 505 is arranged at the end of the telescopic rod 504, and the top of the plug 505 is located at the end of the No When the inner diameter is uneven, the outer side of the ball 506 will be squeezed to make the ball 506 slide to one side, and the ball 506 pushes the plug 505 to slide to one side, and the plug 505 slides to one side to push the air inside the No. 1 pipe 5 and the No. 2 pipe 502. The end of the No. 1 pipe 5 is provided with a detection meter 501, and a certain volume of gas is provided inside the No. 2 pipe 502. The outer side of the No. 1 threaded cylinder 3 is located inside the detection plate 405 and a No. 1 groove 301 is provided. One side of the interior of the No. 1 threaded cylinder 3 is provided with a meshing No. 2 threaded cylinder 302. The end of the outer side of the No. 2 threaded cylinder 302 is fixed with a No. 3 gear ring 303, and the outer side of the No. 3 gear ring 303 is provided with a No. 2 gear 304. When it contacts the inner diameter of the bearing 201, the No. 2 gear 304 is pulled by the electric push rod 407 to stop the No. 2 gear 304 from meshing with the No. 3 gear ring 303, thereby stopping the detection plate 405 from moving outward.

[0027] In this embodiment: when the inner diameter of the bearing 201 is in contact, the second gear 304 is pulled by the electric push rod 407, so that the second gear 304 stops meshing with the third gear ring 303, so that the detection plate 405 stops moving outward. When the grinding wheel grinds the inner diameter of the bearing 201, the grinding wheel will move toward the inside of the bearing 201. When the grinding wheel moves toward the inside of the bearing 201, it will squeeze one side of the first threaded barrel 3, and the first threaded barrel 3 will move to the other side through the first spring 401 to prevent the first threaded barrel 3 from affecting the grinding wheel. The outer side of the detection plate 405 is in contact with the bearing When the inner diameter of the bearing 201 comes into contact, the ball 506 on the outside of the detection plate 405 will also come into contact with the inner diameter of the bearing 201. When the inner diameter of the bearing 201 is uneven, the outer side of the ball 506 will be squeezed to make the ball 506 slide to one side. The ball 506 pushes the plug 505 to slide to one side. The sliding of the plug 505 to one side pushes the air inside the No. 1 pipe 5 and the No. 2 pipe 502, causing the pointer in 501 at the end of the No. 1 pipe 5 to swing greatly. When the inner diameter of the bearing 201 is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing 201 is flat.

[0028] Please pay attention to Figure 1 , 2 , 3, 4, a first gear ring 202 is fixed to one side of the three-jaw chuck 2, a second gear ring 203 is fixed to one side of the first gear ring 202, when the gear ring 202 rotates, it drives the second gear ring 203 to rotate, the second gear ring 203 drives the second gear 304 to rotate, the second gear 304 drives the third gear ring 303 to rotate, a bearing 201 is arranged inside the other side of the three-jaw chuck 2, a motor 204 is installed at one end of the three-jaw chuck 2, the motor 204 drives the first gear 205 to rotate, the first gear 206 is driven by the motor 204, and the second gear 306 drives the third gear ring 303 to rotate. The gear 205 drives the No. 1 gear ring 202 to rotate, and the No. 1 gear ring 202 drives the three-jaw chuck 2 and the bearing 201 to rotate. The No. 1 gear 205 is fixed to the output end of the motor 204, and the No. 1 gear 205 is meshed with the No. 1 gear ring 202. A fixing plate 4 is provided on one side of the No. 2 gear ring 203, and one side of the fixing plate 4 is rotatably connected to the end of the No. 2 gear 304. A plurality of groups of No. 1 springs 401 are provided on the other side of the fixing plate 4, and a connecting ring 402 is fixed to the outer side of one side of the fixing plate 4.

[0029] The outer side of the connecting ring 402 is connected to the outer side of the No. 1 pipe 5, a fixing rod 403 is fixed to the middle of the fixing plate 4, a conical column 404 is fixed to the end of the fixing rod 403, and the conical column 404 is arranged inside the No. 1 gear ring 202, an electric push rod 407 is installed on the top of the other side of the fixing plate 4, and the output end of the electric push rod 407 is rotatably connected to the end of the No. 2 gear 304, a wedge block 406 is fixed to the bottom of the detection plate 405, the No. 3 gear ring 303 drives the No. 2 threaded barrel 302 to rotate, and the No. 2 threaded barrel 302 drives the No. 1 threaded barrel 3 to move to one side, and the No. 1 threaded barrel 3 drives the detection plate 405 and the wedge block 406 to move to one side, and the wedge block 406 is slidably connected to the inside of the No. 1 groove 301.

[0030] In this embodiment: the motor 204 drives the No. 1 gear 205 to rotate, the No. 1 gear 205 drives the No. 1 gear ring 202 to rotate, the No. 1 gear ring 202 drives the three-jaw chuck 2 and the bearing 201 to rotate, so that the grinding wheel inside the main body 1 grinds the inner diameter of the bearing 201, when the gear ring 202 rotates, it drives the No. 2 gear ring 203 to rotate, the No. 2 gear ring 203 drives the No. 2 gear 304 to rotate, the No. 2 gear 304 drives the No. 3 gear ring 303 to rotate, the No. 3 gear ring 303 drives the No. 2 threaded barrel 302 to rotate, the No. 2 threaded barrel 302 drives the No. 1 threaded barrel 3 to move to one side, the No. 1 threaded barrel 3 drives the detection plate 405 and the wedge block 406 to move to one side, the wedge block 406 moves to one side and is squeezed by the outer side of the tapered column 404 to move the wedge block 406 outward, the wedge block 406 drives the detection plate 405 to move outward, so that the detection plate 405 can contact the inner diameter of the bearing 201 of different sizes.

[0031] Working principle: The bearing 201 is fixed by the three-jaw chuck 2, the motor 204 drives the No. 1 gear 205 to rotate, the No. 1 gear 205 drives the No. 1 gear ring 202 to rotate, the No. 1 gear ring 202 drives the three-jaw chuck 2 and the bearing 201 to rotate, so that the grinding wheel inside the main body 1 grinds the inner diameter of the bearing 201, when the gear ring 202 rotates, it drives the No. 2 gear ring 203 to rotate, the No. 2 gear ring 203 drives the No. 2 gear 304 to rotate, the No. 2 gear 304 drives the No. 3 gear ring 3 03 rotates, the third gear ring 303 drives the second threaded cylinder 302 to rotate, the second threaded cylinder 302 drives the first threaded cylinder 3 to move to one side, the first threaded cylinder 3 drives the detection plate 405 and the wedge block 406 to move to one side, the wedge block 406 moves to one side and is squeezed by the outer side of the tapered column 404 to move the wedge block 406 outward, the wedge block 406 drives the detection plate 405 to move outward, so that the detection plate 405 can contact the inner diameter of the bearing 201 of different sizes;

[0032] When the inner diameter of the bearing 201 is in contact, the second gear 304 is pulled by the electric push rod 407, so that the second gear 304 stops meshing with the third gear ring 303, so that the detection plate 405 stops moving outward. When the grinding wheel grinds the inner diameter of the bearing 201, the grinding wheel moves toward the inside of the bearing 201. When the grinding wheel moves toward the inside of the bearing 201, it squeezes one side of the first threaded barrel 3, and the first spring 401 makes the first threaded barrel 3 move to the other side to prevent the first threaded barrel 3 from affecting the grinding wheel.

[0033] When the outer side of the detection plate 405 contacts the inner diameter of the bearing 201, the ball 506 on the outer side of the detection plate 405 will also contact the inner diameter of the bearing 201. When the inner diameter of the bearing 201 is uneven, the outer side of the ball 506 will be squeezed to make the ball 506 slide to one side. The ball 506 pushes the plug 505 to slide to one side. The sliding of the plug 505 to one side pushes the air inside the No. 1 pipe 5 and the No. 2 pipe 502, causing the pointer in 501 at the end of the No. 1 pipe 5 to swing greatly. When the inner diameter of the bearing 201 is flat, the pointer swings slightly and evenly, thereby detecting whether the inner diameter of the bearing 201 is flat.

[0034] What is described above is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An internal diameter grinding machine capable of detecting flatness, comprising a main body (1), characterized in that: A three-jaw chuck (2) is arranged inside the main body (1), a No. 1 threaded barrel (3) is arranged inside the three-jaw chuck (2), a plurality of detection plates (405) are arranged outside the No. 1 threaded barrel (3), a plurality of No. 1 pipes (5) at different positions are arranged inside the detection plates (405), a No. 2 pipe (502) is arranged at the head end of the outer side of the No. 1 pipe (5), a No. 2 spring (503) is arranged inside the No. 2 pipe (502), a telescopic rod (504) is arranged inside the No. 2 spring (503), a plug (505) is arranged at the end of the telescopic rod (504), the top of the plug (505) is located at the end inside the No. 2 pipe (502) and is rotatably connected to a ball (506), a detection meter (501) is arranged at the end of the No. 1 pipe (5), and a certain volume of gas is arranged inside the No. 2 pipe (502).

2. The inner diameter grinder capable of detecting flatness according to claim 1, characterized in that: A No. 1 groove (301) is arranged on the outer side of the No. 1 threaded barrel (3) and is located inside the detection plate (405); a No. 2 threaded barrel (302) meshing with the No. 1 threaded barrel (3) is arranged on one side inside the No. 1 threaded barrel (3); a No. 3 toothed ring (303) is fixed to the end of the outer side of the No. 2 threaded barrel (302); and a No. 2 gear (304) is arranged on the outer side of the No. 3 toothed ring (303).

3. The inner diameter grinder capable of detecting flatness according to claim 1, characterized in that: A first gear ring (202) is fixed to one side of the three-jaw chuck (2), a second gear ring (203) is fixed to one side of the first gear ring (202), and a bearing (201) is arranged inside the other side of the three-jaw chuck (2).

4. The inner diameter grinder capable of detecting flatness according to claim 1, characterized in that: A motor (204) is installed at one end of the three-jaw chuck (2), a first gear (205) is fixed to the output end of the motor (204), and the first gear (205) is meshed with a first gear ring (202).

5. The inner diameter grinder capable of detecting flatness according to claim 3, characterized in that: A fixing plate (4) is provided on one side of the second gear ring (203), one side of the fixing plate (4) is rotatably connected to the end of the second gear (304), a plurality of groups of first springs (401) are provided on the other side of the fixing plate (4), and a connecting ring (402) is fixed on the outer side of one side of the fixing plate (4).

6. The inner diameter grinder capable of detecting flatness according to claim 5, characterized in that: The outer side of the connecting ring (402) is connected to the outer side of the first pipe (5), a fixing rod (403) is fixed in the middle of the fixing plate (4), a conical column (404) is fixed at the end of the fixing rod (403), and the conical column (404) is arranged inside the first gear ring (202).

7. The inner diameter grinder capable of detecting flatness according to claim 6, characterized in that: An electric push rod (407) is installed on the top of the other side of the fixing plate (4), and the output end of the electric push rod (407) is rotatably connected to the end of the second gear (304).

8. The inner diameter grinder capable of detecting flatness according to claim 2, characterized in that: A wedge block (406) is fixed to the bottom of the detection plate (405), and the wedge block (406) is slidably connected to the inside of the first groove (301).