CN112475815A

CN112475815A - Machining process and machining equipment for ball valve body

Info

Publication number: CN112475815A
Application number: CN202011352605.9A
Authority: CN
Inventors: 杨开华
Original assignee: Suzhou Envil Machinery Co ltd
Current assignee: Suzhou Envil Machinery Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-03-12
Anticipated expiration: 2040-11-26
Also published as: CN112475815B

Abstract

The invention relates to the technical field of valve body processing, which comprises a ball valve body processing technology, and specifically comprises the following steps: firstly, forging a blank of the valve body by using a die forging method, conveying the blank to a processing production line by using a transfer device, clamping one end of the blank in a positioning clamping assembly, carrying out corresponding processing processes such as boring, drilling, end face turning and the like on the other end of the blank, then carrying out face replacement clamping, and carrying out the processing steps again; the ball valve body machining equipment comprises a machining production line, the machining production line comprises a workbench, a moving mechanism arranged on the surface of the workbench, and a driving assembly used for driving the moving mechanism, and a positioning clamping assembly is arranged in the moving mechanism. The positioning clamping frequency of the valve body blank is less, and the positioning clamping assembly can move back and forth along the workbench, so that the production efficiency of valve body processing can be effectively improved.

Description

Machining process and machining equipment for ball valve body

Technical Field

The invention relates to the technical field of ball valve production and processing, in particular to a ball valve body processing technology and processing equipment thereof.

Background

The ball valve is mainly used for cutting off, distributing and changing the flow direction of a medium in a pipeline, and can be closed tightly only by rotating 90 degrees and a small rotating moment. The ball valve has the advantages of good wear resistance, good sealing performance, long service life and the like, and is widely applied to long-line transportation and high-pressure transportation occasions. The ball valve is widely applied to industries such as petroleum transportation, chemical production, papermaking, hydroelectric power and the like in China. The valve body is an important component in the ball valve, and the valve body, the ball body and the valve seat sealing ring form sealing together, so that the pressure of a medium can be effectively borne.

At present, a ball valve generally needs to undergo multiple processes of cutting, grinding, polishing and the like in the machining process, each process corresponds to different machining equipment, a valve body to be machined needs to be moved into another machining equipment after the previous process is completed, machining and positioning are carried out again, and then corresponding machining processes are carried out.

The above prior art solutions have the following drawbacks: ball valves for petroleum pipelines are large, heavy in weight, and inconvenient to move for many times, and large-scale machines such as navigation vehicles and the like are needed; the positioning and clamping are required to be carried out again when the workpiece is conveyed to the next processing equipment every time, so that the overall time is wasted, and the processing efficiency is low.

Disclosure of Invention

Aiming at the defects in the prior art, the invention aims to provide a processing technology and processing equipment for a ball valve body, which have the effect of effectively improving the processing efficiency.

The technical purpose of the invention is realized by the following technical scheme:

a machining process of a ball valve body comprises the following steps:

firstly, preparing raw materials;

1.1. adopting a carbon steel bar to forge and form a valve body blank;

1.2. carrying out heat treatment on the forged valve body blank;

secondly, clamping and positioning;

2.1. conveying the forged valve body blank to a processing production line (1) by using a transfer device (6);

2.2. one end of the valve body is clamped and positioned by using a positioning clamping assembly (3), and the positioning clamping assembly (3) can move along the processing production line (1);

thirdly, processing one end;

3.1. primarily milling and removing redundant amount on the valve body on a processing production line (1), processing the turning end face and the excircle of one end, and processing a chamfer;

3.2. drilling and slotting on the valve body correspondingly;

3.3. further grinding the valve body until a certain size requirement is met;

3.4. polishing the inside and the outside of the valve body;

fourthly, processing the other end;

4.1. the end face of the valve body is replaced, positioned and clamped by a worker through the transfer device (6);

4.2. carrying out a corresponding processing process at the other end according to the step of the third step;

4.3. and (6) discharging.

By adopting the technical scheme, the valve body is sequentially processed by the corresponding processing lathes after being clamped once on the processing production line, other parts except for the clamping part are completely processed to the required precision, then the clamping is carried out for the second time, the other processing lathes are used for finishing the processing of the initially clamped part, and finally a finished product is obtained, the clamping mode is only needed to be changed once in the middle, and the clamping times in the whole processing process are few; the positioning clamping assembly can drive the valve body blank to move along the length direction of the machining production line, and the process of frequently taking down the valve body and then clamping and moving the valve body again is not needed, so that the machining efficiency is improved; and the valve body can be pressed from both sides in the location to the support column both ends, and the course of working of two valve bodies is carried out simultaneously to the processing lathe of workstation both sides when processing, very big improvement machining efficiency.

The present invention in a preferred example may be further configured to: the forging process in the first step adopts die forging.

By adopting the technical scheme, on one hand, the shape of the forge piece is controlled by the moulding bed by adopting the moulding bed die forging form, so that the blank forming speed is improved, and further the production efficiency is improved; on the other hand, the adoption of the die forging makes the processing allowance of the forging less, and the size and the shape of the forged blank are closer to the final size, so that the metal material can be saved, and the machining working hour can be reduced. Therefore, the processing efficiency is effectively improved.

The present invention in a preferred example may be further configured to: the processing production line in the second step and the third step comprises a workbench, processing equipment is arranged on both sides of the workbench in the length direction, and a moving mechanism is arranged on the workbench; the moving mechanism comprises a plurality of linear guide rails arranged on the upper surface of the workbench in parallel, moving blocks arranged on the linear guide rails in a sliding manner and a driving assembly for driving the moving blocks to slide, the length direction of the linear guide rails is parallel to the length direction of the workbench, and positioning clamping assemblies are arranged on the moving blocks; the positioning clamping assembly comprises a supporting column and three-jaw chucks, the supporting column is horizontally communicated with the moving block, the three-jaw chucks are respectively arranged at two ends of the supporting column in the length direction, and the length direction of the supporting column is arranged along the width direction of the workbench.

Through adopting above-mentioned technical scheme, press from both sides the valve body blank and press from both sides the dress subassembly on the location after, moving mechanism can drive and press from both sides the dress locating component and carry out the motion along workstation length direction, and then drives the valve body blank of treating processing and move along the straight line direction of workstation, has avoided changing many times and has pressed from both sides the dress, need when needing to carry out the processing of corresponding part only to utilize drive assembly to move the valve body to corresponding processing equipment department can, improved work efficiency.

The present invention in a preferred example may be further configured to: the upper surface of the workbench is provided with support tracks on two sides in the length direction of the linear guide rail, the length direction of the support tracks is arranged along the length direction of the workbench, the support tracks are connected with support plates in a sliding mode, vertical plates are vertically arranged on the upper surface of one side, close to the moving block, of each support plate, and the three-jaw chuck penetrates through the vertical plates and is coaxially and rotatably connected in the vertical plates through bearings.

Through adopting above-mentioned technical scheme, the valve body not only can be fixed by three-jaw chuck to can set up corresponding anchor clamps in the backup pad, and then press from both sides the vertical location of valve body blank in the backup pad, make things convenient for the course of working, improve machining efficiency.

The present invention in a preferred example may be further configured to: the movable block is internally provided with a cavity, the movable block is provided with a rotating assembly for driving the supporting column to rotate, the rotating assembly comprises a servo motor arranged on the upper surface of the movable block, a driven gear arranged on the outer side wall of the middle of the supporting column and a driving gear arranged on the outer side wall of an output shaft of the servo motor, the output shaft of the servo motor penetrates through the upper surface of the movable block and is vertically arranged downwards, the driving gear is meshed with the driven gear, and the contact part of the supporting column and the movable block is rotatably connected in the movable block through a bearing.

Through adopting above-mentioned technical scheme, the support column can carry out rotary motion along its axis, and then drives the three-jaw chuck at support column both ends and rotate, adds man-hour convenience more, and the different position angle of change that three-jaw chuck cooperation processing equipment can be convenient has made things convenient for the course of working of processing equipment, and then has improved work efficiency.

The present invention in a preferred example may be further configured to: two side faces of the moving block along the length direction of the support column are provided with fixing bosses, and the caliber of one end, far away from the moving block, of each fixing boss is smaller than that of the other end of each fixing boss.

Through adopting above-mentioned technical scheme, the settlement of boss has improved the rotatory stability of support column, and then has improved the stability of three-jaw chuck, has avoided the course of working to produce unstable phenomenon, has improved production efficiency.

The present invention in a preferred example may be further configured to: the working table is characterized in that a chip removing groove is formed in the upper surface of the working table and is located between the linear guide rail and the supporting rail, inclined grooves are formed in the bottom of the chip removing groove and are communicated with the vertical side faces of the two sides of the length direction of the working table, and chip collecting boxes are arranged at the outlets of the inclined grooves.

Through adopting above-mentioned technical scheme, the piece that produces in the course of working that chip removal groove and collection bits box can be convenient timely is collected, guarantees going on smoothly of processing, avoids clastic influence, has improved machining efficiency.

The present invention in a preferred example may be further configured to: the transfer device in the second step comprises a horizontally arranged bearing plate, a plurality of rollers arranged on the lower surface of the bearing plate and a support frame arranged on the upper surface of the bearing plate, wherein a lifting assembly used for lifting the valve body is arranged on the support frame.

Through adopting above-mentioned technical scheme, this kind of transfer device has replaced bulky navigation car and awkward fork truck, when the valve body is hoisted in needs removal, only need with the rope ligature of hoist engine in the outside of valve body, utilize the hoist engine can be with the convenient time of hoisting of valve body, time when having greatly reduced equipment input and removing the valve body, this kind of equipment volume is less, economic benefits is high, can adapt to multiple occasion, more convenient to use, more effectual improvement work efficiency.

The present invention in a preferred example may be further configured to: the supporting plate is vertically provided with a plurality of limiting blocks, the limiting blocks are arc-shaped blocks, and a clamping space with a circular cross section is formed between the limiting blocks.

By adopting the technical scheme, the valve body is heavy, unsafe conditions such as displacement and the like can occur in the valve body when the transfer device moves, the limiting block can effectively fix the valve body, the valve body is prevented from being displaced, the safety performance in the transfer process is improved, and the processing process is effectively and safely carried out.

The present invention in a preferred example may be further configured to: every the bottom of stopper all is provided with the locking groove, every the bottom horizontally connected with latch segment of stopper, latch segment sliding connection is in the locking groove, a plurality of locking holes have been seted up on the latch segment, a plurality of positioning screw hole have been seted up to the bottom surface in locking groove.

Through adopting above-mentioned technical scheme, the stopper can adapt to not unidimensional valve body, has improved transfer device's application scope, and then guarantees that the high efficiency of processing goes on.

In summary, the invention includes at least one of the following beneficial technical effects:

1. one end of the valve body is clamped, the other end of the valve body is completely processed, the valve body is turned over once, the other end face of the valve body is processed, and clamping is only changed once in the middle, so that the complex clamping process and transferring process are reduced; the supporting column slides along the length direction of the workbench through the moving mechanism and the positioning clamping assembly, and the valve bodies at two ends of the supporting column are simultaneously processed, so that the processing efficiency is greatly improved;

2. by arranging the transfer device, only one transfer process of the valve body is easier and more convenient, the transfer time is greatly saved, and the processing efficiency is improved;

3. through establishing the support column into the setting that can rotate around its axis and add the backup pad for the valve body can be processed with the angle of difference, has made things convenient for the course of working more, has improved machining efficiency.

Drawings

FIG. 1 is a schematic view of the overall construction of a converting line;

FIG. 2 is a schematic diagram for embodying a movement mechanism;

FIG. 3 is a cross-sectional view of FIG. 2 along its axis;

FIG. 4 is a schematic diagram for embodying a transfer device;

fig. 5 is a partially enlarged view of a portion a in fig. 4.

In the figure, 1, a processing production line; 11. a work table; 111. a support rail; 112. a support plate; 113. a vertical plate; 2. a moving mechanism; 21. a linear guide rail; 22. a moving block; 23. a drive assembly; 231. a fixed block; 232. a threaded rod; 233. connecting blocks; 234. a first servo motor; 3. positioning the clamping assembly; 31. a support pillar; 32. a three-jaw chuck; 4. a rotating assembly; 41. a second servo motor; 42. a driving gear; 43. a driven gear; 5. fixing the boss; 6. a transfer device; 61. a support plate; 62. a roller; 63. a support frame; 631. fixing a column; 632. a cross bar; 7. a lifting assembly; 71. a slide rail; 72. a sliding block; 73. a support block; 74. a screw rod; 75. driving a motor; 76. a winch; 8. a limiting block; 9. a clamping space; 10. a locking groove; 101. positioning the threaded hole; 15. a locking block; 151. a locking hole; 152. locking the bolt; 16. a chip groove is removed; 17. an inclined groove; 18. a scrap collecting box.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The first embodiment is as follows:

the invention discloses a processing technology of a ball valve body, which comprises the following steps:

firstly, preparing raw materials;

1.1. forging and forming the blank of the valve body by adopting a carbon steel bar; heating carbon steel in a heating furnace at 900-1100 ℃, heating for about 6 hours, carrying out free forging, placing a die on free forging equipment by a worker by using a clamping tool for free forging, carrying out processes of upsetting, punching, reaming, drawing and the like to obtain a valve body blank meeting the process requirement, and then carrying out subsequent processes;

1.2. carrying out heat treatment on the forged valve body blank; because the valve body is used for the petroleum pipeline and has higher requirements on the hardness and the toughness, the valve body is selected to be annealed and tempered, and specifically, a forged valve body blank is heated to 920-940 ℃, is subjected to heat preservation for a period of time, is buried in sandstone, is cooled to 500 ℃ and then is subjected to air cooling; the mechanical property of the valve body is effectively improved.

Secondly, clamping and positioning;

2.1. the valve body after heat treatment is transported to the processing production line 1 by using a transfer device 6; specifically, the transfer device 6 is moved to a valve body blank, a worker binds and fixes the valve body blank by using a winding rope on the winch 76, then the driving motor 75 is started to drive the winch 76 to lift upwards to drive the valve body blank to move upwards, the valve body blank is placed in the limiting space 9, the position of the limiting block 8 is adjusted, and the stability of the valve body blank is ensured;

2.2. clamping and positioning one end part of the valve body blank by using a positioning clamping assembly 3; the valve body is fixed horizontally by the three-jaw chuck 32, or vertically by a jig provided on the upper surface of the support plate 112.

Thirdly, processing one end;

3.1. firstly, preliminarily removing redundant quantity on a valve body blank; the machining equipment is provided with a milling machine, a boring machine and a polishing mechanism in the embodiment, and specifically, the milling machine 13 is used for milling the end face of the valve body blank away from the clamping position, turning the end face and chamfering, and then milling the side face of the valve body to obtain the valve body meeting the primary size requirement when the machining precision is IT8-IT 11;

3.2. drilling and grooving correspondingly on one end face of the valve body, which is far away from the clamping part; performing primary drilling by using a boring machine;

3.3. carrying out finish milling by using a milling machine 13 until the size requirement that the size precision is below IT8 is met;

3.4. polishing by using a polishing mechanism;

fourthly, processing the other end;

4.1. after the valve body is turned over and the surface is changed, the other end surface is processed according to the process of the third step;

4.2. and (6) discharging.

Example two

Referring to fig. 1, the ball valve body processing equipment disclosed by the invention comprises a processing production line 1, wherein the processing production line 1 comprises a horizontally arranged workbench 11, processing equipment is arranged on two sides of the workbench 11 in the length direction, the processing equipment is an existing milling machine, a boring machine and a polishing mechanism in the embodiment, and a moving mechanism 2 is arranged on the workbench 11; the moving mechanism 2 comprises two linear guide rails 21 arranged on the upper surface of the workbench 11 in parallel, a moving block 22 arranged on the two linear guide rails 21 in a sliding manner, and a driving assembly 23 for driving the moving block 22 to slide, wherein the length direction of the linear guide rails 21 is parallel to the length direction of the workbench 11, the linear guide rails 21 adopt heavy-load linear guide rails 21, and the moving block 22 is provided with a positioning clamping assembly 3.

Referring to fig. 1, the positioning jig assembly 3 includes a support column 31 horizontally penetrating the moving block 22 and three-jaw chucks 32 provided at both ends of the support column 31 in the longitudinal direction, and the support column 31 is provided in the longitudinal direction along the width direction of the table 11. Wherein drive assembly 23 includes vertical setting at the fixed block 231 of linear guide 21 length direction both ends, the threaded rod 232 that runs through the top setting of two fixed blocks 231, set up at the connecting block 233 of movable block 22 upper surface and set up the first servo motor 234 in threaded rod 232 length direction one end, the length direction parallel workstation 11 of threaded rod 232 length direction sets up, threaded rod 232 level through connection piece 233 sets up.

Referring to fig. 2 and 3, two supporting rails 111 are disposed on two sides of the upper surface of the workbench 11 in the length direction of the linear guide rail 21, two supporting rails 111 are disposed on each side, the length direction of the supporting rails 111 is arranged along the length direction of the workbench 11, a supporting plate 112 is slidably connected onto the supporting rails 111, a vertical plate 113 is vertically disposed on the upper surface of one side of the supporting plate 112 close to the moving block 22, and the three-jaw chuck 32 penetrates through the vertical plate 113 and is coaxially and rotatably connected in the vertical plate 113 through a bearing.

Referring to fig. 1, a chip removing groove 16 is formed between a linear guide rail 21 and a supporting rail 111 on the same side of the linear guide rail, a chip removing groove 16 is also vertically formed between two supporting rails 111 on the same side, inclined grooves 17 are formed in the bottoms of the two chip removing grooves 16 to two vertical side surfaces of the length direction of the workbench 11, and a chip collecting box 18 is arranged at an outlet of each inclined groove 17.

Referring to fig. 2 and 3, a cavity is formed in the moving block 22, a rotating assembly 4 for rotating the supporting column 31 is arranged on the moving block 22, the rotating assembly 4 includes a second servo motor 41 arranged on the upper surface of the moving block 22, a driving gear 42 arranged on the outer side wall of an output shaft of the second servo motor 41, and a driven gear 43 arranged on the outer side wall of the middle of the supporting column 31, the output shaft of the second servo motor 41 penetrates through the upper surface of the moving block 22 and is vertically arranged downwards, the driving gear 42 and the driven gear 43 are both bevel gears, and a portion of the supporting column 31 contacting the moving block 22 is rotatably connected in the moving block 22 through a.

Referring to fig. 2, two side faces of the moving block 22 in the length direction of the supporting column 31 are provided with fixing bosses 5, the caliber of one end, away from the moving block 22, of each fixing boss 5 is smaller than that of the other end of each fixing boss, one end of each fixing boss 5 is fixedly connected with the moving block 22, the other end of each fixing boss 5 is sleeved on the outer side of the moving block 22, and one end, away from the moving block 22, of each fixing boss 5 is sleeved on the outer side of.

Referring to fig. 4, the transfer device 6 in the second step includes a horizontally disposed supporting plate 61, a plurality of rollers 62 disposed on a lower surface of the supporting plate 61, and a supporting frame 63 disposed on an upper surface of the supporting plate 61, where the supporting frame 63 includes a fixing column 631 disposed obliquely, and a cross bar 632 fixedly connected to a top end of the fixing column 631, a length direction of the cross bar 632 is disposed parallel to a length direction of the supporting plate 61, a lifting assembly 7 for lifting the valve body is disposed on the cross bar 632, the lifting assembly 7 includes a slide rail 71 disposed on an upper surface of the cross bar 632 in the length direction, a slide block 72 slidably connected to the slide rail 71, a winch 76 disposed on the slide block 72, and a winch motor disposed at one end of the winch 76. An actuating component for driving the sliding block 72 to slide is arranged on the cross bar 632, the actuating component comprises supporting blocks 73 arranged on the upper surfaces of the two ends of the cross bar 632 in the length direction, a screw rod 74 rotatably connected between the two supporting blocks 73, and an actuating motor 75 arranged at one end of the screw rod 74, and an output shaft of the actuating motor 75 is fixedly connected with the screw rod 74.

Referring to fig. 4 and 5, four limiting blocks 8 are arranged on the supporting plate 61, the limiting blocks 8 are arc-shaped blocks, and a clamping space 9 with a circular cross section is formed between the limiting blocks 8. Every stopper 8's bottom all is provided with locking groove 10, and four locking grooves 10 are the cross setting, every stopper 8's bottom horizontally connected has latch segment 15, and latch segment 15 sliding connection has seted up a plurality of locking holes 151 in locking groove 10 on the latch segment 15, has seted up a plurality of positioning screw holes 101 in the bottom surface of locking groove 10, and latch segment 15 is fixed in locking groove 10 through locking bolt 152 and is injectd stopper 8.

The implementation principle of the embodiment is as follows: when a valve body product is machined, after a valve body is forged and formed, the valve body is transferred by the transfer device 6 in the first step, specifically, the winch 76 is moved to a proper position by the driving component, a rope on the winch 76 is bound on a valve body blank, the winch motor is started to drive the winch 76 to take up the valve body blank, then the limiting block 8 is adjusted, the valve body blank is placed in the clamping space 9, and a worker pushes the transfer device 6 to move to the machining production line 1;

secondly, starting a winch 76 to lift the valve body blank to the surface of the workbench 11, clamping the valve body on a three-jaw chuck 32, starting a driving assembly 23 to drive a moving mechanism 2 to enable a positioning clamping assembly 3 to move along the length direction of the workbench 11, moving the positioning clamping assembly to a milling machine, and then machining the end face, the outer circle and the chamfer of the outer circle by using the milling machine; and then, the valve body blank is moved to the position of a boring machine by using the moving mechanism 2, the machining processes of drilling and boring are carried out, and polishing is carried out by using a polishing mechanism.

And thirdly, after one end of the valve body is machined, replacing the end face to clamp, continuing to machine the other end, and unloading after machining is finished according to the process of the second step.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

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

firstly, preparing raw materials;

1.1. adopting a carbon steel bar to forge and form a valve body blank;

1.2. carrying out heat treatment on the forged valve body blank;

secondly, clamping and positioning;

thirdly, processing one end;

3.2. drilling and slotting on the valve body correspondingly;

3.3. further grinding the valve body until a certain size requirement is met;

3.4. polishing the inside and the outside of the valve body;

fourthly, processing the other end;

the end face of the valve body is replaced, positioned and clamped by a worker through the transfer device (6);

4.3. and (6) discharging.

2. The machining process of the ball valve body according to claim 1, characterized in that: the forging process in the first step adopts die forging.

3. The ball valve body processing equipment according to claim 1, wherein: the processing production line (1) in the second step and the third step comprises a workbench (11), processing equipment is arranged on two sides of the workbench (11) in the length direction, and a moving mechanism (2) is arranged on the workbench (11);

the moving mechanism (2) comprises a plurality of linear guide rails (21) arranged on the upper surface of the workbench (11) in parallel, a moving block (22) arranged on the linear guide rails (21) in a sliding manner and a driving assembly (23) for driving the moving block (22) to slide, the length direction of the linear guide rails (21) is parallel to the length direction of the workbench (11), and a positioning clamping assembly (3) is arranged on the moving block (22);

the positioning clamping assembly (3) comprises a supporting column (31) horizontally penetrating through the moving block (22) and three-jaw chucks (32) respectively arranged at two ends of the supporting column (31) in the length direction, and the length direction of the supporting column (31) is arranged along the width direction of the workbench (11).

4. The ball valve body processing equipment according to claim 3, wherein: the upper surface of the workbench (11) is provided with supporting tracks (111) on two sides in the length direction of the linear guide rail, the length direction of the supporting tracks (111) is arranged along the length direction of the workbench (11), the supporting tracks (111) are connected with supporting plates (112) in a sliding mode, the upper surface of one side, close to the moving block (22), of the supporting plates (112) is vertically provided with vertical plates (113), and the three-jaw chuck (32) penetrates through the vertical plates (113) and is connected in the vertical plates (113) through bearings in a coaxial rotating mode.

5. The ball valve body processing equipment according to claim 4, wherein: the cavity is formed in the moving block (22), a rotating assembly (4) for driving the supporting column (31) to rotate is arranged on the moving block (22), the rotating assembly (4) comprises a second servo motor (41) arranged on the upper surface of the moving block (22), a driven gear (43) arranged on the outer side wall of the middle of the supporting column (31) and a driving gear (42) arranged on the outer side wall of an output shaft of the second servo motor (41), the output shaft of the second servo motor (41) penetrates through the upper surface of the moving block (22) to be vertically and downwards arranged, the driving gear (42) is meshed with the driven gear (43), and the contact part of the supporting column (31) and the moving block (22) is rotatably connected into the moving block (22) through a bearing.

6. The ball valve body processing equipment according to claim 5, wherein: two side faces of the moving block (22) along the length direction of the supporting column (31) are provided with fixing bosses (5), and the caliber of one end, far away from the moving block (22), of each fixing boss (5) is smaller than that of the other end of each fixing boss.

7. The ball valve body processing equipment according to claim 1, wherein: the upper surface of the workbench (11) is positioned between the linear guide rail (21) and the support rail (111), a chip removing groove (16) is formed in the upper surface of the workbench (11), inclined grooves (17) are formed in the bottom surface of the chip removing groove (16) towards the vertical side faces of the two sides of the length direction of the workbench (11), and chip collecting boxes (18) are arranged at the outlets of the inclined grooves (17).

8. The ball valve body processing equipment according to claim 1, wherein: the transfer device (6) in the second step comprises a horizontally arranged bearing plate (61), a plurality of rollers (62) arranged on the lower surface of the bearing plate (61), and a support frame (63) arranged on the upper surface of the bearing plate (61), wherein a lifting assembly (7) for lifting the valve body is arranged on the support frame (63).

9. The ball valve body processing equipment according to claim 8, wherein: the bearing plate (61) is vertically provided with a plurality of limiting blocks (8), the limiting blocks (8) are arc-shaped blocks, and a clamping space (9) with a circular cross section is formed between the limiting blocks (8).

10. The ball valve body processing apparatus according to claim 9, wherein: every the bottom of stopper (8) all is provided with locking groove (10), every the bottom horizontally connected with latch segment (15) of stopper (8), latch segment (15) sliding connection is in locking groove (10), a plurality of locking holes (151) have been seted up on latch segment (15), a plurality of positioning screw hole (101) have been seted up to the bottom surface in locking groove (10).