CN215357802U

CN215357802U - Ball shank grinding machine

Info

Publication number: CN215357802U
Application number: CN202121785043.7U
Authority: CN
Inventors: 朱章远
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-02
Filing date: 2021-08-02
Publication date: 2021-12-31
Anticipated expiration: 2031-08-02

Abstract

The utility model discloses a ball shank grinding machine, which belongs to the technical field of machining and comprises a base (1), wherein a first workpiece clamping mechanism (2) and a second workpiece clamping mechanism (3) are oppositely arranged on the base (1), a first driving mechanism (4) is arranged on the first workpiece clamping mechanism (2), a second driving mechanism (5) is arranged on the second workpiece clamping mechanism (3), a first grinding wheel mechanism (6) is arranged on one side of the first workpiece clamping mechanism (2), a first cross sliding table mechanism (7) is arranged below the first grinding wheel mechanism (6), a second grinding wheel mechanism (8) opposite to the first grinding wheel mechanism (6) is arranged on one side of the second workpiece clamping mechanism (3), and a second cross sliding table mechanism (9) is arranged below the second grinding wheel mechanism (8), the ball shanks at two ends of a ball valve are respectively ground through a first grinding wheel (12) and a second grinding wheel (24), so that the concentricity of the ball shank and a ball body is ensured, the rotation of ball valve of being convenient for improves the result of use of valve.

Description

Ball shank grinding machine

Technical Field

The utility model belongs to the technical field of machining, and particularly relates to a ball shank grinding machine for grinding the edges of ball shanks on two sides of a valve ball body.

Background

The valve is a control part in a fluid conveying system, has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like, and is mainly used for opening and closing a pipeline, controlling the flow direction, adjusting and controlling parameters of a conveying medium and the like. The valve core of the ball valve of the valve is a sphere with an opening, a circular through hole or a channel passes through the axis of the sphere, the ball valve has the action of rotating 90 degrees and can be used for cutting, distributing and changing the flowing direction of a medium, and the valve rod is rotated by a plate to ensure that the opening of the sphere is fully opened when facing the axis of a pipeline and is fully closed when rotating 90 degrees. In China, the ball valve is widely applied to industries such as petroleum refining, long-distance pipelines, chemical industry, papermaking, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and plays a significant role in national economy.

After the case of ball valve produced, its spheroidal surface is comparatively crude usually, in order to improve the quality, need reprocess grinding polishing to the spheroid surface, but among the prior art, can ignore the polishing of spheroid both ends ball handle usually and polish, and because the characteristic of ball valve spheroid itself, be not convenient for fix and grinding, can appear the circumstances such as processing back both ends ball handle concentricity inequality, finally influence the use of valve.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the technical problems that the valve core of a ball valve is inconvenient to grind and process, the concentricity of ball handles at two ends cannot be ensured and the like in the prior art, and provides a ball handle grinding machine for grinding the edge of the ball handle on the valve ball body, so that two ends of the valve core of the ball valve are synchronously fixed, and the concentricity of the ball handles at two ends is effectively ensured.

In order to solve the technical problem, the utility model provides a ball shank grinding machine which comprises a base, wherein a first workpiece clamping mechanism and a second workpiece clamping mechanism which are used for fixing two ends of a ball body are oppositely arranged on the base along the horizontal direction, a first driving mechanism which is used for driving the first workpiece clamping mechanism to horizontally move towards the second workpiece clamping mechanism is arranged on the first workpiece clamping mechanism, a second driving mechanism which is used for driving the ball body to rotate is arranged on the second workpiece clamping mechanism, a first grinding wheel mechanism is arranged on one side of the first workpiece clamping mechanism, a first cross sliding table mechanism which is used for driving the first grinding wheel mechanism to horizontally move along the X-axis direction and/or the Y-axis direction is arranged below the first grinding wheel mechanism, a second grinding wheel mechanism which is opposite to the first grinding wheel mechanism is arranged on one side of the second workpiece clamping mechanism, and a second grinding wheel mechanism which is used for driving the second grinding wheel mechanism to horizontally move along the X-axis direction and/or the Y-axis direction is arranged below the second grinding wheel mechanism And a cross sliding table mechanism II.

As a further improvement measure of the utility model, the first grinding wheel mechanism comprises a first grinding wheel fixing frame, a first grinding wheel shaft is arranged in the first grinding wheel fixing frame along the X-axis direction, a first grinding wheel is arranged at one end of the first grinding wheel shaft, the outer edge of the first grinding wheel shaft faces the sphere, and the other end of the first grinding wheel shaft is connected with a first grinding wheel driving motor.

As a further improvement measure of the utility model, the first cross sliding table mechanism comprises a first sliding table seat arranged on the base along the X-axis direction and a second sliding table seat arranged below the first grinding wheel fixing frame along the Y-axis direction, the upper surface of the first sliding table seat is provided with a first sliding rail along the X-axis direction, the lower surface of the second sliding table seat is provided with a first sliding block which is matched with the first sliding rail to slide, a driving mechanism III for driving the slide pedestal II to horizontally move along the slide rail I towards the grinding wheel mechanism II is arranged between the slide pedestal I and the slide pedestal II, a second sliding rail is arranged on the upper surface of the second sliding table seat along the Y-axis direction, a second sliding block which is matched with the second sliding rail for sliding is arranged on the lower surface of the first grinding wheel fixing frame, and a driving mechanism IV for driving the first grinding wheel fixing frame to horizontally move along the second sliding rail towards the first workpiece clamping mechanism is arranged between the second sliding rail seat and the first grinding wheel fixing frame.

As a further improvement measure of the utility model, the second grinding wheel mechanism comprises a second grinding wheel fixing frame, a second grinding wheel shaft is arranged in the second grinding wheel fixing frame, a second grinding wheel is arranged at one end of the second grinding wheel shaft, the outer edge of the second grinding wheel shaft faces the sphere, and the other end of the second grinding wheel shaft is connected with a second grinding wheel driving motor.

As a further improvement measure of the utility model, the cross sliding table mechanism II comprises a sliding table seat III arranged on the base along the X-axis direction and a sliding table seat IV arranged below the grinding wheel fixing frame II along the Y-axis direction, the upper surface of the sliding platform seat III is provided with a sliding rail III along the X-axis direction, the lower surface of the sliding platform seat IV is provided with a sliding block III which is matched with the sliding rail III to slide, a driving mechanism V for driving the slide pedestal IV to horizontally move along the slide rail III towards the grinding wheel mechanism is arranged between the slide pedestal III and the slide pedestal IV, a fourth sliding rail is arranged on the upper surface of the fourth sliding table seat along the Y-axis direction, a fourth sliding block which is matched with the fourth sliding rail and slides is arranged on the lower surface of the second grinding wheel fixing frame, and a driving mechanism VI for driving the second grinding wheel fixing frame to horizontally move along the fourth sliding rail towards the second workpiece clamping mechanism is arranged between the fourth sliding rail seat and the second grinding wheel fixing frame.

As a further improvement measure of the utility model, the first workpiece clamping mechanism comprises a first rotating shaft horizontally arranged along the X-axis direction and a first workpiece fixing frame for fixing the first rotating shaft, a first bearing is arranged between the first rotating shaft and the first workpiece fixing frame, and a first tip is arranged at one end of the first rotating shaft facing the second workpiece clamping mechanism.

As a further improvement measure of the utility model, a support seat is arranged between the first workpiece clamping mechanism and the base, a fifth slide rail is arranged on the upper surface of the support seat along the X-axis direction, a fifth slide block which is matched with the fifth slide rail to slide is arranged on the lower surface of the first workpiece fixing frame, the first driving mechanism is arranged on the support seat, and the output end of the first driving mechanism is connected with the first workpiece fixing frame.

As a further improvement measure of the utility model, the second workpiece clamping mechanism comprises a second rotating shaft horizontally arranged along the X-axis direction and a second workpiece fixing frame for fixing the second rotating shaft, a second bearing is arranged between the second rotating shaft and the second workpiece fixing frame, a second tip is arranged at one end of the second rotating shaft facing the first workpiece clamping mechanism, and one end of the second rotating shaft far away from the first workpiece clamping mechanism is connected with the second driving mechanism.

Compared with the prior art, the utility model has the beneficial effects that: 1. according to the ball valve, the outer surfaces of the ball handles at the two ends of the valve core of the ball valve are ground through the first grinding wheel mechanism and the second grinding wheel mechanism, so that on one hand, the ball handles and the circle center of the ball body are on the same axis, the precision of the ball valve is guaranteed, the use of the valve is guaranteed, on the other hand, the outer surfaces of the ball handles are smooth, the rotation of the ball valve is facilitated, and the use effect of the valve is improved; 2. The grinding wheel I and the grinding wheel II can synchronously rotate or respectively rotate according to actual production requirements, and the grinding wheel I and the grinding wheel II are respectively driven by the cross sliding table mechanism I and the cross sliding table mechanism II to control the length and the radial size of grinding processing of the ball handle, so that different production requirements can be met; 3. the first workpiece clamping mechanism and the first grinding wheel mechanism can adjust the horizontal position according to the size of a ball body of a ball valve core which needs to be machined actually, so that the ball valve is more flexible in production and use, different production requirements can be met only by one billiard ball handle grinding machine, and cost investment is reduced; 4. the utility model has simple structure, convenient operation and easy production.

Drawings

Fig. 1 is one of perspective views of the present invention.

Fig. 2 is a second perspective view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a rear view of the present invention.

Fig. 5 is a left side view of the present invention.

Fig. 6 is a right side view of the present invention.

Fig. 7 is a top view of the present invention.

Fig. 8 is a cross-sectional view along AA in fig. 7.

The reference numbers illustrate: 1-base, 2-first workpiece clamping mechanism, 3-second workpiece clamping mechanism, 4-first driving mechanism, 5-second driving mechanism, 6-first grinding wheel mechanism, 7-first cross sliding table mechanism, 8-second grinding wheel mechanism, 9-second cross sliding table mechanism, 10-first grinding wheel fixing frame, 11-first grinding wheel shaft, 12-first grinding wheel, 13-first grinding wheel driving motor, 14-first sliding table seat, 15-second sliding table seat, 16-first sliding rail, 17-first sliding block, 18-third driving mechanism, 19-second sliding rail, 20-second sliding block, 21-fourth driving mechanism, 22-second grinding wheel fixing frame, 23-second grinding wheel shaft, 24-second grinding wheel, 25-third sliding table seat, 26-fourth sliding table seat, 27-third sliding table, 28-three sliding blocks, 29-five driving mechanisms, 30-four sliding rails, 31-four sliding blocks, 32-six driving mechanisms, 33-one rotating shaft, 34-one workpiece fixing frame, 36-one tip, 37-supporting seat, 38-five sliding rails, 40-two rotating shafts, 41-two workpiece fixing frame, 43-two tip and 44-two grinding wheel driving motors.

Detailed Description

The utility model will be further explained with reference to the drawings.

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

On the contrary, the utility model is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the utility model as defined by the appended claims. Furthermore, in the following detailed description of the present invention, certain specific details are set forth in order to provide a better understanding of the present invention. It will be apparent to one skilled in the art that the present invention may be practiced without these specific details.

The ball shank grinding machine shown in fig. 1 and 2 comprises a base 1, wherein a first workpiece clamping mechanism 2 and a second workpiece clamping mechanism 3 for fixing two ends of a ball body are oppositely arranged on the base 1 along the horizontal direction.

As shown in fig. 7 and 8, the first workpiece clamping mechanism 2 includes a first rotating shaft 33 horizontally arranged along the X-axis direction and a first workpiece fixing frame 34 for fixing the first rotating shaft 33, a first bearing is arranged between the first rotating shaft 33 and the first workpiece fixing frame 34, so as to facilitate rotation of the first rotating shaft 33 relative to the first workpiece fixing frame 34, a first tip 36 is arranged at one end of the first rotating shaft 33 facing the second workpiece clamping mechanism 3, mounting holes corresponding to the centers of circles of the spheres are respectively arranged at ball shanks at two ends of the spheres during production and processing, and the first tip 36 is inserted into the mounting hole at one end thereof for positioning the spheres.

The second workpiece clamping mechanism 3 comprises a second rotating shaft 40 and a second workpiece fixing frame 41, the second rotating shaft 40 is horizontally arranged along the X-axis direction, the second workpiece fixing frame 41 is used for fixing the second rotating shaft 40, a second bearing is arranged between the second rotating shaft 40 and the second workpiece fixing frame 41, the second rotating shaft 40 can conveniently rotate relative to the second workpiece fixing frame 41, one end, facing the first workpiece clamping mechanism 2, of the second rotating shaft 40 is provided with a second tip 43, and the second tip 43 is inserted into a mounting hole of a ball handle at the other end of the ball body, is matched with the first tip 36 and is used for positioning two ends of the ball body.

As shown in fig. 1, fig. 2, fig. 7 and fig. 8, a second driving mechanism 5 for driving the sphere to rotate is arranged on the second workpiece clamping mechanism 3, the second driving mechanism 5 can be set as a motor, one end of the second rotating shaft 40, which is far away from the first workpiece clamping mechanism 2, is connected with the second driving mechanism 5, a first belt pulley can be arranged at one end of the second rotating shaft 40, which is far away from the first workpiece clamping mechanism 2, a second belt pulley is arranged at an output end of the second driving mechanism 5, and the first belt pulley and the second belt pulley are connected through a belt. The second rotating shaft 40 is driven to rotate by the second driving mechanism 5 to drive the ball body to rotate, and the first rotating shaft 33 can rotate relative to the first workpiece fixing frame 34, so that the ball body drives the first rotating shaft 33 to rotate in the rotating process, and the synchronous rotation of the two ends of the ball body is ensured.

As shown in fig. 1, 3, 7 and 8, because the size and diameter of the spheres to be processed are different in the actual production process, in this embodiment, a first driving mechanism 4 for driving the first workpiece clamping mechanism 2 to horizontally move towards a second workpiece clamping mechanism 3 is arranged on the first workpiece clamping mechanism 2, and through the driving action of the first driving mechanism 4, on one hand, when the spheres are installed, the installation hole at one end of the sphere is firstly installed in contact with a second tip 43 on the second workpiece clamping mechanism 3, and then the first driving mechanism 4 drives the first workpiece clamping mechanism 2 to horizontally move towards the second workpiece clamping mechanism, so that the first tip 36 is inserted into the installation hole at the other end of the sphere to complete the installation and positioning of the spheres; on the other hand, the horizontal position between the first workpiece clamping mechanism 2 and the second workpiece clamping mechanism 3 can be adjusted according to actual requirements, so that the installation and fixation of spheres with different sizes and diameters can be met. In order to ensure that the first workpiece clamping mechanism 2 moves along the horizontal direction and ensure the accuracy of the ball shank grinding machine, in the embodiment, a supporting seat 37 is arranged between the first workpiece clamping mechanism 2 and the base 1, a sliding rail five 38 is arranged on the upper surface of the supporting seat 37 along the X-axis direction, a sliding block five which is matched with the sliding rail five 38 and slides is arranged on the lower surface of the first workpiece fixing frame 34, a first driving mechanism 4 is arranged on the supporting seat 37, the output end of the first driving mechanism 4 is connected with the first workpiece fixing frame 34, the first driving mechanism 4 can be set as an oil cylinder, the first driving mechanism 4 drives the first workpiece clamping mechanism 2 to move along the axial direction of the sliding rail five 38, and a first tip 36 and a second tip 43 are ensured to be on the same horizontal line.

As shown in fig. 1, 2, 4 and 5, a grinding wheel mechanism i 6 is arranged on one side of a workpiece clamping mechanism i 2, the grinding wheel mechanism i 6 comprises a grinding wheel fixing frame i 10, a grinding wheel shaft i 11 is arranged in the grinding wheel fixing frame i 10 along the X-axis direction, one end of the grinding wheel shaft i 11 is provided with a grinding wheel i 12, the outer edge of the grinding wheel i 12 faces towards the sphere, the other end of the grinding wheel shaft i 11 is connected with a grinding wheel driving motor i 13, the grinding wheel driving motor i 13 drives the grinding wheel i 12 to rotate, a ball handle at one end of the sphere is ground, concentricity of the ball handle and the sphere is guaranteed, and the surface of the ball handle is smooth.

As shown in fig. 1 and 2, in order to accommodate spheres with different sizes and diameters and facilitate feeding of the grinding wheel one 12 during grinding, a cross slide mechanism one 7 for driving the grinding wheel mechanism one 6 to horizontally move along the X-axis and/or Y-axis direction is arranged below the grinding wheel mechanism one 6, the cross slide mechanism one 7 comprises a slide table seat one 14 arranged on the base 1 along the X-axis direction and a slide table seat two 15 arranged below the grinding wheel fixing frame one 10 along the Y-axis direction, and the slide table seat one 14 is arranged below the slide table seat two 15.

As shown in fig. 1, 2 and 4, a first slide rail 16 is arranged on the upper surface of the first slide pedestal 14 along the X-axis direction, a first slide block 17 which is matched with the first slide rail 16 to slide is arranged on the lower surface of the second slide pedestal 15, a third driving mechanism 18 for driving the second slide pedestal 15 to horizontally move along the first slide rail 16 towards the second grinding wheel mechanism 8 is arranged between the first slide pedestal 14 and the second slide pedestal 15, the third driving mechanism 18 is a servo motor, the speed can be controlled, the position accuracy of the movement of the first grinding wheel 12 along the X-axis direction can be ensured to be very accurate, and the movement distance of the first grinding wheel 12 is ensured to be the same as the length of the ball handle.

The upper surface of the second sliding table seat 15 is provided with a second sliding rail 19 along the Y-axis direction, the lower surface of the first grinding wheel fixing frame 10 is provided with a second sliding block 20 which slides in a matched manner with the second sliding rail 19, a fourth driving mechanism 21 which is used for driving the first grinding wheel fixing frame 10 to horizontally move towards the first workpiece clamping mechanism 2 along the second sliding rail 19 is arranged between the second sliding table seat 15 and the first grinding wheel fixing frame 10, the fourth driving mechanism 21 is set to be a servo motor, the speed can be controlled, and the position accuracy of the first grinding wheel 12 moving along the Y-axis direction can be guaranteed to be very accurate. The concentricity of the ground outer surface of the ball handle and the ball body is ensured to be consistent.

As shown in fig. 1, 2 and 6, a second grinding wheel mechanism 8 opposite to the first grinding wheel mechanism 6 is arranged on one side of the second workpiece clamping mechanism 3, the second grinding wheel mechanism 8 comprises a second grinding wheel fixing frame 22, a second grinding wheel shaft 23 is arranged in the second grinding wheel fixing frame 22, one end of the second grinding wheel shaft 23 is provided with a second grinding wheel 24, the outer edge of the second grinding wheel 24 faces the sphere, and the other end of the second grinding wheel shaft 23 is connected with a second grinding wheel driving motor 44. And the second grinding wheel driving motor 44 drives the second grinding wheel 24 to rotate, so that the ball handle at the other end of the ball body is ground, the concentricity of the ball handle and the ball body is ensured, and the surface of the ball handle is smooth.

As shown in fig. 1 and 2, a cross slide mechanism two 9 for driving the grinding wheel mechanism two 8 to horizontally move along the X-axis and/or Y-axis direction is disposed below the grinding wheel mechanism two 8, the cross slide mechanism two 9 includes a slide base three 25 disposed on the base 1 along the X-axis direction and a slide base four 26 disposed below the grinding wheel fixing frame two 22 along the Y-axis direction, and the slide base three 25 is disposed below the slide base four 26.

As shown in fig. 2 and 4, a third slide rail 27 is arranged on the upper surface of the third slide pedestal 25 along the X-axis direction, a third slide block 28 which slides along the third slide rail 27 is arranged on the lower surface of the fourth slide pedestal 26, a fifth driving mechanism 29 for driving the fourth slide pedestal 26 to horizontally move along the third slide rail 27 towards the first grinding wheel mechanism 6 is arranged between the third slide pedestal 25 and the fourth slide pedestal 26, the fifth driving mechanism 29 is a servo motor, the speed can be controlled, the position accuracy of the second grinding wheel 24 moving along the X-axis direction can be ensured to be very accurate, and the moving distance of the second grinding wheel 24 is ensured to be the same as the length of the ball handle.

The upper surface of the sliding table seat four 26 is provided with a sliding rail four 30 along the Y-axis direction, the lower surface of the grinding wheel fixing frame two 22 is provided with a sliding block four 31 which slides in a matched manner with the sliding rail four 30, a driving mechanism six 32 which is used for driving the grinding wheel fixing frame two 22 to horizontally move towards the workpiece clamping mechanism two 3 direction along the sliding rail four 30 is arranged between the sliding table seat four 26 and the grinding wheel fixing frame two 22, the driving mechanism six 32 is set to be a servo motor, the speed can be controlled, the position accuracy of the grinding wheel two 24 moving along the Y-axis direction can be guaranteed to be very accurate, and the consistency of the ground outer surface of the ball handle and the concentricity of the ball body can be guaranteed.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and it will be apparent to those skilled in the art that several modifications and improvements may be made without departing from the present invention, and these should be construed as falling within the scope of the present invention.

Claims

1. Ball shank grinding machine, including base (1), its characterized in that, be provided with along the horizontal direction relatively on base (1) and be used for the work piece clamping mechanism one (2) and work piece clamping mechanism two (3) at fixed spheroid both ends, be provided with on the work piece clamping mechanism one (2) and be used for the drive work piece clamping mechanism one (2) court the drive mechanism one (4) of work piece clamping mechanism two (3) direction horizontal motion, be provided with on work piece clamping mechanism two (3) and be used for driving spheroid pivoted drive mechanism two (5), one side of work piece clamping mechanism one (2) is provided with grinding machine structure one (6), the below of grinding machine structure one (6) is provided with and is used for the drive grinding machine structure one (6) along X axle and/or Y axle direction horizontal motion's cross slip table mechanism one (7), one side of work piece clamping mechanism two (3) be provided with grinding machine structure two (8) that grinding machine structure one (6) is relative ) And a cross sliding table mechanism II (9) used for driving the grinding wheel mechanism II (8) to horizontally move along the X-axis direction and/or the Y-axis direction is arranged below the grinding wheel mechanism II (8).

2. The ball shank grinding machine according to claim 1, characterized in that the first grinding wheel mechanism (6) comprises a first grinding wheel fixing frame (10), a first grinding wheel shaft (11) is arranged in the first grinding wheel fixing frame (10) along the X-axis direction, one end of the first grinding wheel shaft (11) is provided with a first grinding wheel (12), the outer edge of the first grinding wheel shaft (12) faces towards the ball body, and the other end of the first grinding wheel shaft (11) is connected with a first grinding wheel driving motor (13).

3. The ball shank grinding machine according to claim 2, characterized in that the cross sliding table mechanism I (7) comprises a sliding table seat I (14) arranged on the base (1) along the X-axis direction and a sliding table seat II (15) arranged below the grinding wheel fixing frame I (10) along the Y-axis direction, the upper surface of the sliding table seat I (14) is provided with a sliding rail I (16) along the X-axis direction, the lower surface of the sliding table seat II (15) is provided with a sliding block I (17) matched with the sliding rail I (16) to slide, a driving mechanism III (18) used for driving the sliding table seat II (15) to horizontally move along the sliding rail I (16) towards the grinding wheel mechanism II (8) direction is arranged between the sliding table seat I (14) and the sliding table seat II (15), the upper surface of the sliding table seat II (15) is provided with a sliding rail II (19) along the Y-axis direction, the lower surface of the first grinding wheel fixing frame (10) is provided with a second sliding block (20) which slides in a matched mode with the second sliding rail (19), and a fourth driving mechanism (21) which is used for driving the first grinding wheel fixing frame (10) to horizontally move towards the first workpiece clamping mechanism (2) along the second sliding rail (19) is arranged between the second sliding base (15) and the first grinding wheel fixing frame (10).

4. The ball shank grinding machine according to claim 1, characterized in that the second grinding wheel mechanism (8) comprises a second grinding wheel fixing frame (22), a second grinding wheel spindle (23) is arranged in the second grinding wheel fixing frame (22), a second grinding wheel (24) is arranged at one end of the second grinding wheel spindle (23), the outer edge of the second grinding wheel (24) faces towards the ball body, and a second grinding wheel driving motor (44) is connected to the other end of the second grinding wheel spindle (23).

5. The ball shank grinding machine according to claim 4, characterized in that the cross sliding table mechanism II (9) comprises a sliding table seat III (25) arranged on the base (1) along the X-axis direction and a sliding table seat IV (26) arranged below the grinding wheel fixing frame II (22) along the Y-axis direction, the upper surface of the sliding table seat III (25) is provided with a sliding rail III (27) along the X-axis direction, the lower surface of the sliding table seat IV (26) is provided with a sliding block III (28) matched with the sliding rail III (27) for sliding, a driving mechanism V (29) used for driving the sliding table seat IV (26) to horizontally move along the sliding rail III (27) towards the grinding wheel mechanism I (6) direction is arranged between the sliding table seat III (25) and the sliding table seat IV (26), the upper surface of the sliding table seat IV (26) is provided with a sliding rail IV (30) along the Y-axis direction, the lower surface of the second grinding wheel fixing frame (22) is provided with a fourth sliding block (31) which slides in a matched manner with the fourth sliding rail (30), and a sixth driving mechanism (32) which is used for driving the second grinding wheel fixing frame (22) to horizontally move towards the second workpiece clamping mechanism (3) along the fourth sliding rail (30) is arranged between the fourth sliding base (26) and the second grinding wheel fixing frame (22).

6. The ball shank grinding machine according to any one of claims 1 to 5, characterized in that the first workpiece clamping mechanism (2) comprises a first rotating shaft (33) horizontally arranged along the X-axis direction and a first workpiece fixing frame (34) used for fixing the first rotating shaft (33), a first bearing is arranged between the first rotating shaft (33) and the first workpiece fixing frame (34), and a first tip (36) is arranged at one end of the first rotating shaft (33) facing the second workpiece clamping mechanism (3).

7. The ball shank grinding machine according to claim 6, characterized in that a support seat (37) is arranged between the first workpiece clamping mechanism (2) and the base (1), a slide rail five (38) is arranged on the upper surface of the support seat (37) along the X-axis direction, a slide block five which is matched with the slide rail five (38) to slide is arranged on the lower surface of the first workpiece fixing frame (34), the first driving mechanism (4) is arranged on the support seat (37), and the output end of the first driving mechanism (4) is connected with the first workpiece fixing frame (34).

8. The ball shank grinding machine according to claim 7, characterized in that the second workpiece clamping mechanism (3) comprises a second rotating shaft (40) and a second workpiece fixing frame (41) for fixing the second rotating shaft (40), the second rotating shaft (40) and the second workpiece fixing frame (41) are horizontally arranged along the X-axis direction, a second bearing is arranged between the second rotating shaft (40) and the second workpiece fixing frame (41), one end of the second rotating shaft (40) facing the first workpiece clamping mechanism (2) is provided with a second tip (43), and one end of the second rotating shaft (40) far away from the first workpiece clamping mechanism (2) is connected with the second driving mechanism (5).