CN114700832A - Processing technology of a ball valve seat - Google Patents

Abstract

The invention relates to the technical field of ball valve processing technology, in particular to a processing technology for a ball valve seat. The invention can drive a valve core to rotate continuously, and rub against two groups of valve seats, so that the valve core and the two groups corresponding to the valve core The valve seat is completely fitted to ensure the sealing performance of the ball valve after the assembly is completed, and the service life of the ball valve is prolonged. When the dual-shaft motor rotates, the present invention will drive the driving gear to rotate at the same time, and then drive the connecting shaft to rotate through the drive shaft. Continue to drive the reciprocating screw to move, and then drive the two groups of valve seats to swing back and forth, and also drive the reciprocating motion of the abrasive filling pipe, so that the grinder evenly adheres to the surface of the valve core, and does not require manual addition by staff. Abrasives can not only avoid production accidents when manually applying abrasives, but also make the adhesion of abrasives more uniform and further improve processing accuracy.

Description

A processing technology of a ball valve seat

technical field

The invention relates to the technical field of ball valve processing technology, in particular to a processing technology of a ball valve seat.

Background technique

The ball valve is a valve that is driven by the valve stem and rotates around the axis of the ball valve. It is also often used for fluid regulation and control. Among them, the V-shaped ball core of the hard-sealed V-shaped ball valve and the metal valve seat of hard alloy surfacing. There is a strong shear force between the two groups, especially suitable for media containing fibers, tiny solid particles, etc. The ball valve usually controls the opening and closing of the valve through the cooperation of the valve core and the two sets of valve seats, so the valve core and the valve Whether the processing technology of the seat is good or not determines the sealing performance and service life of the ball valve;

The existing ball valve seat processing technology still has the following problems:

(1) The existing valve seat processing technology is usually formed by forging the blank. However, there is a tolerance in the contact surface between the valve core and the valve seat after forging, and it is difficult for the valve core to fully fit the valve seat, which affects the performance of the ball valve. Sealing performance and service life;

(2) In the existing valve seat processing technology, the edge of the valve seat is usually polished by a grinding machine, and it is necessary to manually add abrasive to the surface of the valve seat. Since the valve seat is still rotating rapidly when the abrasive is added, this processing There is a safety hazard in the process.

SUMMARY OF THE INVENTION

In order to solve one or more problems existing in the prior art, the present invention provides a processing technology for a valve seat of a ball valve.

The technical scheme adopted by the present invention to achieve the above purpose is: a processing technology of a ball valve seat, comprising the following steps:

S1: Put the blank into the forging machine for forging;

S2: Place the forged valve core and valve seat in a ball valve grinder for grinding, including:

Install the valve core and valve seat on the fixture corresponding to the ball valve grinding machine;

The ball valve grinder grinds the valve core and valve seat;

The ball valve grinder automatically adds abrasive to the surface of the valve core;

The ball valve grinder sprays coolant on the surface of the valve core to prevent the valve core and valve seat from being overheated and deformed;

S3: Take out the ground valve core and valve seat.

Preferably, the ball valve grinder includes:

a workbench, the top of the workbench is provided with a set of rotating components, and a set of mounting brackets are provided on the side of the top of the workbench close to the rotary components;

a limit component, the limit component is arranged on the side of the rotation component;

Two sets of clamping assemblies, the two sets of clamping assemblies are arranged on the side of the rotating assembly at intervals;

a cooling assembly, the cooling assembly is arranged on the top of the mounting frame;

a drive assembly, the drive assembly is arranged below the workbench;

Wherein, the drive assembly includes a double-shaft motor, a rotating shaft, a linkage part, an arc-shaped drive plate, a drive rod and a circular slider, the double-shaft motor is arranged at the bottom of the worktable, and the rotating shaft rotates Connected to the worktable, the arc-shaped driving plate is arranged at the bottom of the rotating shaft, the driving rod is arranged on an output shaft of the biaxial motor, and the circular slider is rotatably connected to the rotating shaft. The drive rod is on the side away from the biaxial motor, a set of sliding grooves are provided on the arc-shaped driving plate, and the circular sliding block is matched with the arc-shaped driving plate structure through the sliding grooves. The top of the rotating shaft is provided with a set of support plates.

Preferably, each set of the clamping assemblies includes a support column, a driving electric cylinder, a limit telescopic rod and an electric gripper, the support column is arranged on the top of the support plate, and the limit telescopic rod is arranged at the top of the support plate. On the side wall of the support column, the electric gripper is arranged on the movable end of the limit telescopic rod, and the driving electric cylinder is arranged on the side of the support column away from the limit telescopic rod, so The output end of the electric driving cylinder is fixedly connected with the electric clamping jaws, and a set of valve seats is arranged on the clamping end of each group of the electric clamping jaws.

Preferably, a set of collection boxes is provided on the top of the support plate.

Preferably, the rotating assembly includes an installation column, a driving motor and an elastic chuck, the installation column is arranged on the top of the worktable, the elastic chuck is rotatably connected to the installation column, and the driving motor It is arranged on the side of the installation column, and the drive motor is connected with the elastic chuck. A set of rotating rods are set on the clamping end of the elastic chuck, and a set of valve cores are sleeved on the rotating rods. .

Preferably, the limiting assembly includes a fixing column, a rotating handle, a threaded rod, a limiting block, a sliding rod and a connecting rod, the fixing column is arranged on a side of the top of the workbench away from the mounting column, and the thread The rod is rotatably connected to the fixed column, the limit block is threadedly connected to the threaded rod, the sliding rod is slidably matched with the fixed column in the horizontal direction, and the top of the connecting rod is connected to the limit The bottom of the block is fixedly connected, the bottom of the connecting rod is fixedly connected with the sliding rod, and the end of the limiting block away from the threaded rod is rotatably connected with the rotating rod.

Preferably, the cooling assembly includes a cooling liquid storage tank, an abrasive storage tank, a reciprocating screw, a cooling nozzle and an abrasive filling pipe, and the cooling liquid storage tank and the abrasive storage tank are arranged at intervals on the mounting frame The top of the reciprocating screw rod is arranged on the bottom inner wall of the mounting frame, and the cooling nozzle and the abrasive filling pipe are arranged at intervals at the bottom of the slider of the reciprocating screw rod. A solenoid valve is arranged in the injection pipe, the cooling spray head is communicated with the interior of the cooling liquid storage tank, and the abrasive filling pipe is communicated with the interior of the abrasive storage tank.

Preferably, the linkage component includes a driving gear, a driven gear, a driving shaft and a connecting shaft, the driving gear is sleeved on a side of the biaxial motor away from the driving rod, and the driving shaft is actively connected to On the bottom inner wall of the workbench, the driven gear is sleeved on the drive shaft, the driving gear meshes with the driven gear, and the connecting shaft is rotatably connected to the bottom inner wall of the mounting frame , the drive shaft is drivingly connected with the connecting shaft, and the connecting shaft is drivingly connected with the reciprocating screw.

The beneficial effects of the present invention are:

First, the present invention can drive the valve core to rotate continuously, and rub against the two sets of valve seats, so that the valve core and the two sets of valve seats corresponding to the valve core are completely abutted, and there is no gap, so as to ensure that the ball valve is completely assembled. The sealing property prolongs the service life of the ball valve. Specifically, when the grinding process starts, the biaxial motor works to drive the circular slider at the end of the driving rod to move, and the circular slider is driven by the arc through the chute With the matching of the plate structure, the circular slider will drive the arc-shaped drive plate to move, and the arc-shaped drive plate will continue to drive the rotating shaft to swing back and forth in a small range, thereby driving the two groups of valve seats located above the rotating shaft to swing back and forth, thereby making the The two sets of valve seats can quickly and continuously grind each other with the valve core to ensure that the contact surfaces of the two sets of valve seats and the valve core are completely fitted.

Second, in the present invention, the cooling component can automatically add abrasive to the rotating valve core to prevent dry grinding before the valve core and the valve seat, so that the grinding of the valve core and the valve seat is more thorough. It can also automatically spray coolant to the rotating valve core to prevent the valve core and valve seat from being deformed due to overheating, so as to improve the processing quality of the valve core and valve core.

Third, in the present invention, after the valve core is sleeved on the rotating shaft, the user rotates the rotating handle, and the limiting block will move in the direction of the rotating shaft under the driving of the threaded rod, so that the limiting block and the rotating shaft are connected. The ends of the spools fit together, so that the rotating shaft can remain stable during the rotation process, and further improve the machining accuracy of the valve core and the valve seat.

Fourth, in the present invention, when the dual-axis motor rotates, it will simultaneously drive the driving gear to rotate, and then drive the connecting shaft to rotate through the drive shaft, and the connecting shaft continues to drive the reciprocating screw to move, thereby driving the two groups of valve seats to swing back and forth. At the same time, it can also drive the reciprocating motion of the abrasive filling pipe, so that the grinder is evenly attached to the surface of the valve core, without the need for staff to manually add abrasive, which can not only avoid production accidents when manually applying abrasives, but also can It makes the adhesion of the abrasive more uniform and further improves the machining accuracy. The cooling nozzle can spray the coolant on the surface of the valve core to prevent the valve core and valve seat from being overheated and deformed.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the partial structure schematic diagram of the present invention;

Fig. 3 is the enlarged view of A place in Fig. 2;

Fig. 4 is an enlarged view at B in Fig. 2;

FIG. 5 is a schematic structural diagram of a limiting assembly in the present invention;

Fig. 6 is an enlarged view at C in Fig. 5;

7 is a schematic structural diagram of a drive assembly in the present invention;

Fig. 8 is an enlarged view at D in Fig. 7;

9 is a schematic structural diagram of a cooling assembly in the present invention;

FIG. 10 is an enlarged view of E in FIG. 9 .

Reference numerals: 1. Workbench; 2. Mounting frame; 3. Abrasive storage tank; 4. Cooling liquid storage tank; 5. Driving motor; 6. Mounting column; 7. Supporting column; 8. Supporting plate; 9. Collection box; 11, elastic chuck; 12, rotating rod; 13, valve core; 14, valve seat; 15, electric gripper; 16, fixed column; 17, driving electric cylinder; 18, turning handle; 19, threaded rod ;20, limit block; 21, sliding rod; 22, connecting rod; 23, biaxial motor; 25, drive shaft; 27, limit telescopic rod; 28, driving gear; 29, driven gear; 30, rotating shaft 31, arc drive plate; 32, circular slider; 33, chute; 34, drive rod; 35, connecting shaft; 36, reciprocating screw; 37, abrasive filling pipe; 38, cooling nozzle.

Detailed ways

In order to make the above objects, features and advantages of the present invention easier to understand, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. However, the present invention can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

As shown in Figures 1-10, the present invention provides a processing technology for a ball valve seat, which includes the following steps:

S1: Put the blank into the forging machine for forging;

S2: Place the forged valve core 13 and valve seat 14 in a ball valve grinder for grinding, including:

Install the valve core 13 and the valve seat 14 on the fixture corresponding to the ball valve grinder;

The ball valve grinder grinds the valve core 13 and the valve seat 14;

The ball valve grinder automatically fills the surface of the valve core 13 with abrasive;

The ball valve grinder sprays coolant on the surface of the valve core 13 to prevent the valve core 13 and the valve seat 14 from being overheated and deformed;

S3: Take out the polished valve core 13 and valve seat 14.

Among them, the ball valve grinding machine includes: a workbench 1, a limit component, two sets of clamping components, a cooling component and a drive component; a set of rotating components is provided on the top of the workbench 1, and a side of the top of the workbench 1 close to the rotating component is provided with a Group mounting frame 2 ; the limiting component is arranged on the side of the rotating component, the two groups of clamping components are arranged on the side of the rotating component at intervals, the cooling component is arranged on the top of the mounting bracket 2 , and the driving component is arranged below the workbench 1 .

Among them, the driving assembly includes a biaxial motor 23, a rotating shaft 30, a linkage part, an arc-shaped driving plate 31, a driving rod 34 and a circular slider 32; the biaxial motor 23 is arranged at the bottom of the worktable 1, and the rotary shaft 30 rotates Connected to the table 1, the arc-shaped driving plate 31 is arranged at the bottom of the rotating shaft 30, the driving rod 34 is arranged on an output shaft of the biaxial motor 23, and the circular slider 32 is rotatably connected to the driving rod 34 away from the biaxial motor. One side of 23; a set of sliding grooves 33 are opened on the arc-shaped driving plate 31, the circular slider 32 is structurally matched with the arc-shaped driving plate 31 through the sliding groove 33, and a set of supporting plates 8 are provided on the top of the rotating shaft 30; The rotary assembly can drive the valve core 13 to rotate continuously, and rub against the two sets of valve seats 14, so that the valve core 13 and the two sets of valve seats 14 corresponding to the valve core 13 are completely abutted, so as to ensure the sealing performance of the ball valve after assembly. , prolong the service life of the ball valve, the cooling component can automatically add abrasive to the rotating valve core 13 to prevent dry grinding before the valve core 13 and the valve seat 14, so that the grinding of the valve core 13 and the valve seat 14 is more thorough , the cooling component can also automatically spray coolant to the rotating valve core 13 to prevent the valve core 13 and the valve seat 14 from being deformed due to overheating, so as to improve the processing quality of the valve seat 14 and the valve core 13 .

At the beginning of the grinding process, the biaxial motor 23 works to drive the circular slider 32 at the end of the drive rod 34 to move. It will drive the arc-shaped drive plate 31 to move, and the arc-shaped drive plate 31 will continue to drive the rotating shaft 30 to perform a small reciprocating swing, thereby driving the two groups of valve seats 14 located above the rotating shaft 30 to swing back and forth, thereby making the two groups of valve seats. 14 can quickly and continuously grind each other with the valve core 13 to ensure that the contact surfaces of the two groups of valve seats 14 and the valve core 13 are completely fitted.

Each set of clamping assemblies includes a support column 7 , a driving electric cylinder 17 , a limit telescopic rod 27 and an electric gripper 15 ; On the side wall, the electric gripper 15 is arranged on the movable end of the limit telescopic rod 27, the driving electric cylinder 17 is arranged on the side of the support column 7 away from the limit telescopic rod 27, and the output end of the driving electric cylinder 17 is connected to the electric gripper. 15 is fixedly connected, and a set of valve seats 14 is provided on the clamping end of each set of electric grippers 15; Then, the electric cylinder 17 drives the valve seat 14 to move in the direction of the valve core 13 , so that the two groups of valve seats 14 can always be in contact with the valve core 13 during the grinding process.

A set of collection boxes 9 are arranged on the top of the support plate 8. The rotating assembly includes a mounting column 6, a driving motor 5 and an elastic chuck 11; the mounting column 6 is arranged on the top of the worktable 1, and the elastic chuck 11 is rotatably connected to the mounting column 6, the drive motor 5 is arranged on the side of the installation column 6, and the drive motor 5 is connected with the elastic chuck 11 in a driving manner. The valve core 13; before the grinding process starts, the user sets the valve core 13 on the rotating shaft 30, and the collecting box 9 is used to collect the dripping coolant and abrasive, so as to prevent the surface of the worktable 1 from being polluted, and the drive motor 5 It is used to drive the elastic chuck 11 to rotate continuously, thereby driving the valve core 13 to rotate continuously, so that the valve core 13 and the two groups of valve seats 14 grind each other, thereby improving the grinding accuracy of the valve core 13 and the valve seat 14 .

The limit assembly includes a fixed column 16, a rotating handle 18, a threaded rod 19, a limit block 20, a sliding rod 21 and a connecting rod 22; the fixed column 16 is arranged on the top of the workbench 1 on the side away from the installation column 6, and the threaded rod 19 It is rotatably connected to the fixed column 16, the limit block 20 is threadedly connected with the threaded rod 19, the sliding rod 21 and the fixed column 16 are slidably matched in the horizontal direction, the top of the connecting rod 22 is fixedly connected to the bottom of the limit block 20, and the connecting rod The bottom of 22 is fixedly connected with the sliding rod 21, and the end of the limit block 20 away from the threaded rod 19 is rotatably connected with the rotating rod 12; when the valve core 13 is sleeved on the rotating shaft 30, the user rotates the handle 18 to limit the position Driven by the threaded rod 19, the block 20 will move in the direction of the rotating shaft 30, so that the limit block 20 is in contact with the end of the rotating shaft 30, so that the rotating shaft 30 can be kept stable during the rotation process, which further improves the performance of the valve. The machining accuracy of the core 13 and the valve seat 14.

The cooling assembly includes a cooling liquid storage tank 4, an abrasive storage tank 3, a reciprocating screw 36, a cooling nozzle 38 and an abrasive filling pipe 37, and the cooling liquid storage tank 4 and the abrasive storage tank 3 are arranged at intervals on the mounting frame 2. On the top, the reciprocating screw rod 36 is arranged on the bottom inner wall of the mounting frame 2, the cooling nozzle 38 and the abrasive filling pipe 37 are arranged at intervals at the bottom of the slider of the reciprocating screw 36, and the cooling nozzle 38 and the abrasive filling pipe 37 are both inside. A solenoid valve is provided, the cooling spray head 38 is communicated with the cooling liquid storage tank 4, and the abrasive filling pipe 37 is communicated with the interior of the abrasive storage tank 3; the reciprocating screw 36 will drive the cooling spray head 38 and The abrasive filling pipe 37 reciprocates along the direction of the valve core 13. During the grinding process, the abrasive filling pipe 37 will continue to fill the surface of the valve core 13 with abrasive, and along with the abrasive filling pipe 37 The reciprocating motion can make the grinder evenly adhere to the surface of the valve core 13, without the need for the staff to manually add abrasives, which can not only avoid production accidents when manually applying abrasives, but also make the abrasives adhere more evenly, further To improve the machining accuracy, the cooling nozzle 38 is used to spray the cooling liquid on the surface of the valve core 13 to prevent the valve core 13 and the valve seat 14 from being deformed by overheating.

The linkage component includes a driving gear 28, a driven gear 29, a driving shaft 25 and a connecting shaft 35. The driving gear 28 is sleeved on the side of the biaxial motor 23 away from the driving rod 34, and the driving shaft 25 is actively connected to the bottom of the workbench 1. On the inner wall, the driven gear 29 is sleeved on the drive shaft 25, the driving gear 28 is meshed with the driven gear 29, the connecting shaft 35 is rotatably connected to the bottom inner wall of the mounting frame 2, and the drive shaft 25 is connected with the connecting shaft 35 in a transmission connection, connecting The shaft 35 is connected with the reciprocating screw rod 36 in a driving connection; when the biaxial motor 23 rotates, it will drive the driving gear 28 to rotate at the same time, and then drive the connecting shaft 35 to rotate through the driving shaft 25, and the connecting shaft 35 continues to drive the reciprocating screw rod 36 to move, thereby realizing While driving the two groups of valve seats 14 to swing back and forth, it can also drive the reciprocating motion of the abrasive filling pipe 37 , so that the grinding machine is evenly attached to the surface of the valve core 13 .

Working principle: The rotating component can drive the valve core 13 to rotate continuously, and rub against the two sets of valve seats 14, so that the valve core 13 and the two sets of valve seats 14 corresponding to the valve core 13 are completely fitted, and there is no gap to ensure that The sealing performance of the ball valve after assembly is completed, prolonging the service life of the ball valve, and the cooling component can automatically add abrasive to the rotating valve core 13 to prevent dry grinding before the valve core 13 and the valve seat 14. The grinding of the valve seat 14 is more thorough, and the cooling component can automatically spray coolant to the rotating valve core 13 to prevent the valve core 13 and the valve seat 14 from being deformed due to overheating, so as to improve the processing quality of the valve seat 14 and the valve core 13 ;

At the beginning of the grinding process, the biaxial motor 23 works to drive the circular slider 32 at the end of the drive rod 34 to move. It will drive the arc-shaped drive plate 31 to move, and the arc-shaped drive plate 31 will continue to drive the rotating shaft 30 to perform a small reciprocating swing, thereby driving the two groups of valve seats 14 located above the rotating shaft 30 to swing back and forth, thereby making the two groups of valve seats. 14 can quickly and continuously grind each other with the valve core 13 to ensure that the contact surfaces of the two groups of valve seats 14 and the valve core 13 are completely fitted.

After the valve core 13 is sleeved on the rotating shaft 30, the user rotates the rotating handle 18, and the limit block 20 will move in the direction of the rotating shaft 30 under the driving of the threaded rod 19, so that the limit block 20 is connected to the rotating shaft. The ends of the spool 30 fit together, so that the rotating shaft 30 can remain stable during the rotation process, which further improves the machining accuracy of the valve core 13 and the valve seat 14 .

When the biaxial motor 23 rotates, it will drive the driving gear 28 to rotate at the same time, and then drive the connecting shaft 35 to rotate through the driving shaft 25, and the connecting shaft 35 will continue to drive the reciprocating screw 36 to move, thereby realizing the reciprocating swing of the two groups of valve seats 14. At the same time, it can also drive the reciprocating motion of the abrasive filling pipe 37 , so that the grinding machine is evenly attached to the surface of the valve core 13 .

Under the driving action of the linkage components, the reciprocating screw 36 will drive the cooling nozzle 38 and the abrasive filling pipe 37 to reciprocate along the direction of the valve core 13. During the grinding process, the abrasive filling pipe 37 will continue to the valve. The surface of the core 13 is filled with abrasive, and along with the reciprocating motion of the abrasive filling pipe 37, the grinder can be evenly attached to the surface of the valve core 13, without the need for staff to manually add abrasive, not only to avoid manual smearing A production accident occurs when the abrasive is used, which can also make the adhesion of the abrasive more uniform and further improve the machining accuracy.

The above-mentioned embodiment only expresses an embodiment of the present invention, and its description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications and improvements can also be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (8)

1. The machining process of the ball valve seat is characterized by comprising the following steps of:

s1: placing the blank into a forging machine for forging;

s2: placing the forged valve core (13) and the forged valve seat (14) in a ball valve grinding machine for grinding, wherein the ball valve grinding machine comprises:

installing the valve core (13) and the valve seat (14) on a corresponding clamp of the ball valve grinding machine;

the ball valve grinding machine grinds the valve core (13) and the valve seat (14);

the ball valve grinding machine automatically adds grinding agent to the surface of the valve core (13);

the ball valve grinder sprays cooling liquid to the surface of the valve core (13) to prevent the valve core (13) and the valve seat (14) from being deformed due to overheating;

s3: and taking out the grinded valve core (13) and the valve seat (14).

2. The process for machining a ball valve seat according to claim 1, wherein the ball valve grinder comprises:

the rotary table comprises a workbench (1), wherein a group of rotary components are arranged at the top of the workbench (1), and a group of mounting frames (2) are arranged at one side, close to the rotary components, of the top of the workbench (1);

the limiting assembly is arranged beside the rotating assembly;

the two groups of clamping assemblies are arranged beside the rotating assembly at intervals;

the cooling component is arranged at the top of the mounting rack (2);

a drive assembly arranged below the table (1);

wherein the driving component comprises a double-shaft motor (23), a rotating shaft (30), a linkage part, an arc driving plate (31), a driving rod (34) and a circular slider (32), the double-shaft motor (23) is arranged at the bottom of the workbench (1), the rotating shaft (30) is rotationally connected to the workbench (1), the arc-shaped driving plate (31) is arranged at the bottom of the rotating shaft (30), the drive rod (34) is arranged on an output shaft of the double-shaft motor (23), the circular slider (32) is rotationally connected with one side of the driving rod (34) far away from the double-shaft motor (23), a group of sliding grooves (33) are formed in the arc-shaped driving plate (31), the circular sliding block (32) is structurally matched with the arc-shaped driving plate (31) through the sliding grooves (33), and a group of supporting plates (8) is arranged at the top of the rotating shaft (30).

3. The machining process of the ball valve seat according to claim 2, characterized in that: every group the centre gripping subassembly all includes support column (7), driving electric jar (17), spacing telescopic link (27) and electric clamping jaw (15), support column (7) set up the top of backup pad (8), spacing telescopic link (27) set up on the lateral wall of support column (7), electric clamping jaw (15) set up on the activity of spacing telescopic link (27) is served, driving electric jar (17) set up support column (7) are kept away from one side of spacing telescopic link (27), the output of driving electric jar (17) with electric clamping jaw (15) fixed connection, every group all be provided with a set of disk seat (14) on the exposed of electric clamping jaw (15).

4. The machining process of the ball valve seat according to claim 3, wherein the machining process comprises the following steps: the top of the supporting plate (8) is provided with a group of collecting boxes (9).

5. The machining process of the ball valve seat according to claim 2, characterized in that: the rotating assembly comprises an installation column (6), a driving motor (5) and an elastic chuck (11), wherein the installation column (6) is arranged at the top of the workbench (1), the elastic chuck (11) is rotatably connected to the installation column (6), the driving motor (5) is arranged at the side of the installation column (6), the driving motor (5) is connected with the elastic chuck (11) in a transmission manner, a group of rotating rods (12) are arranged at the clamping end of the elastic chuck (11), and a group of valve cores (13) are sleeved on the rotating rods (12).

6. The machining process of the ball valve seat according to claim 5, wherein the machining process comprises the following steps: spacing subassembly is including fixed column (16), rotation handle (18), threaded rod (19), stopper (20), slide bar (21) and connecting rod (22), fixed column (16) set up one side of erection column (6) is kept away from at workstation (1) top, threaded rod (19) rotate to be connected on fixed column (16), stopper (20) with threaded rod (19) threaded connection, slide bar (21) with fixed column (16) sliding fit on the horizontal direction, the top of connecting rod (22) with the bottom fixed connection of stopper (20), the bottom of connecting rod (22) with slide bar (21) fixed connection, stopper (20) are kept away from the one end of threaded rod (19) with dwang (12) rotate to be connected.

7. The machining process of the ball valve seat according to claim 2, characterized in that: the cooling assembly comprises a cooling liquid storage tank (4), an abrasive storage tank (3), a reciprocating screw rod (36), a cooling spray head (38) and an abrasive filling pipe (37), wherein the cooling liquid storage tank (4) and the abrasive storage tank (3) are arranged at the top of the mounting rack (2) at intervals, the reciprocating screw rod (36) is arranged on the inner wall of the bottom of the mounting rack (2), the cooling spray head (38) and the abrasive filling pipe (37) are arranged at the bottom of a sliding block of the reciprocating screw rod (36) at intervals, electromagnetic valves are arranged in the cooling spray head (38) and the abrasive filling pipe (37), the cooling spray head (38) is communicated with the inside of the cooling liquid storage tank (4), and the abrasive filling pipe (37) is communicated with the inside of the abrasive storage tank (3).

8. The machining process of the ball valve seat according to claim 7, wherein: linkage part is including driving gear (28), driven gear (29), drive shaft (25) and connecting axle (35), driving gear (28) cover is established biax motor (23) is kept away from one side of actuating lever (34), drive shaft (25) initiative is connected on the bottom inner wall of workstation (1), driven gear (29) cover is established on drive shaft (25), driving gear (28) with driven gear (29) meshing, connecting axle (35) rotate to be connected on the bottom inner wall of mounting bracket (2), drive shaft (25) with connecting axle (35) transmission is connected, connecting axle (35) with reciprocal lead screw (36) transmission is connected.

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