Numerical control milling machine for valve accessory machining

Abstract

The invention discloses a numerical control milling machine for valve accessory machining, and relates to the technical field of valve accessory machining, the numerical control milling machine comprises a bottom plate, the upper side of the bottom plate is fixedly connected with a vertical plate, the upper side of the vertical plate is fixedly connected with a top plate, the lower side of the top plate is provided with a grinding unit, and the grinding unit comprises a supporting plate; the supporting plate is fixedly connected to the upper side of the bottom plate, an arc-shaped guide rail is fixedly connected to the upper side of the supporting plate, a guide block is slidably connected to the outer side of the arc-shaped guide rail, a top cylinder is fixedly connected to the upper side of the guide block, and a mounting plate is arranged on the inner side of the top cylinder. According to the numerical control milling machine for machining the valve accessories, the arc-shaped track, the guide block, the first rotating plate, the second rotating plate and the grinding head are arranged, and the grinding head can be controlled to repeatedly swing so as to grind the inner wall of a ball; and meanwhile, under the matching action of the second rotating rod, the first gear piece, the gear ring and the mounting rod, the grinding head can rotate, so that the situation that the grinding head is seriously abraded due to single-side stress is avoided, and the grinding effect is guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of valve accessory machining, in particular to a numerical control milling machine for valve accessory machining. BACKGROUND

[0002] Valve accessory machining is a key link in the valve manufacturing process, directly affecting the sealing, durability and performance of the valve. When machining the inner wall of the ball of a ball valve, a numerical control milling machine is needed to grind the inner wall of the ball to ensure smoothness.

[0003] After searching, the patent with application number "CN202411105357.6" is a numerical control milling machine for valve accessory machining, which includes a main shaft, a machining mechanism base; the outer end of the main shaft is provided with a fastening clamp, the machining mechanism base is arranged on one side of the outer end, and a simple mobile mechanism is arranged inside the machining mechanism base; a swing grinding assembly is connected to one side of the simple mobile mechanism facing the fastening clamp, the simple mobile mechanism includes a lifting assembly and a horizontal moving assembly, a group of main servo motors are connected between the lifting assembly and the horizontal moving assembly, the output shaft of the main servo motor is connected to the output shaft, the horizontal moving assembly is connected to the lifting assembly at one end and to the output shaft at the other end, the lifting assembly and the output shaft are connected through an adjustable transmission structure, and the lifting assembly is connected to the swing grinding assembly on the side facing the main shaft.

[0004] In the above-mentioned patent, when grinding the ball of the ball valve, the grinding of the inner wall of the ball is completed by controlling the swing of the grinding cutter. However, since the swing of the grinding cutter is one-way stress (such as only clockwise swing), the right side of the blade is overloaded, which causes the wear of the two sides of the blade to be significantly different, and the grinding effect is reduced. SUMMARY

[0005] In view of the shortcomings of the prior art, the present application provides a numerical control milling machine for valve accessory machining, which solves the problem of one-way stress of the grinding cutter when the grinding cutter grinds the ball of the ball valve, and reduces the grinding effect.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme:

[0007] The utility model provides a numerical control milling machine for valve fitting processing, including the bottom plate, the upside fixedly connected with stand of bottom plate, the upside fixedly connected with top plate of stand, the downside of top plate is provided with grinding unit, grinding unit includes support plate, support plate fixedly connected in the upside of bottom plate, the upside fixedly connected with arc -shaped guide rail of support plate, the outside slide connection has guide block of arc -shaped guide rail, the upside fixedly connected with top cylinder of guide block, the inside of top cylinder is provided with mounting plate, the upside of mounting plate is provided with grinding head, the downside of top plate is provided with control assembly, control assembly is used for controlling grinding head swing and autorotation, the upside of bottom plate is provided with slide groove, the inside slide connection has sliding block of slide groove, the upside fixedly connected with moving plate of sliding block, the left side swing joint has of output shaft of moving plate, the left end fixedly connected with grinding fixture of output shaft.

[0008] Preferably, the control assembly includes a second rotating rod, the second rotating rod is rotatably connected to the outside of the guide block, the left end of the second rotating rod is fixedly connected with a gear part one, the upper side of the support plate is fixedly connected with a fixed plate, the upper side of the fixed plate is fixedly connected with a gear ring engaged with the gear part one, the right end of the second rotating rod is provided with a connecting cylinder, the right side of the connecting cylinder is fixedly connected with a third rotating rod, the right end of the third rotating rod is fixedly connected with a bevel gear one, the lower side of the mounting plate is rotatably connected with a mounting rod, the lower end of the mounting rod is fixedly connected with a bevel gear two engaged with the bevel gear one, the upper end of the mounting rod is fixedly connected with a mounting cylinder, the lower end of the grinding head is located in the inside of the mounting cylinder, and the lower side of the mounting plate is fixedly connected with a bottom cover.

[0009] Preferably, the lower side of the top plate is fixedly connected with a bottom block and a limiting plate, the outside of the bottom block is rotatably connected with a first rotating rod, the right end of the first rotating rod is fixedly connected with a first rotating plate, the right side of the first rotating plate is rotatably connected with a second rotating plate, the right side of the second rotating plate is rotatably connected with a connecting plate, the right side of the connecting plate is fixedly connected with a linkage rod, the linkage rod is rotatably connected with the limiting plate, the right end of the linkage rod is fixedly connected with a rotating frame, the inside of the rotating frame is slidably connected with a control plate, the outside of the control plate is fixedly connected with a connecting rod, the connecting rod is rotatably connected with the guide block, and the left side of the bottom block is fixedly connected with a second motor for driving the first rotating rod to rotate.

[0010] Preferably, the outside of the second rotating rod is provided with a plurality of limiting grooves, the inside of the limiting grooves is slidably connected with a limiting block, the limiting block is fixedly connected with the connecting cylinder, and the bottom cover is rotatably connected with the third rotating rod.

[0011] Preferably, the left side of the mounting plate is fixedly connected with a push plate, the outer side of the second rotating rod is fixedly connected with a cam, the upper side of the top cylinder is fixedly connected with an L-shaped plate, the outer side of the L-shaped plate is provided with a lifting rod, the lower end of the lifting rod is fixedly connected with a contact plate, the lower side of the contact plate is fixedly connected with a resisting block, the upper side of the contact plate is fixedly connected with a top block, the outer side of the top block is rotatably connected with an inclined plate, and the inclined plate is rotatably connected with the push plate.

[0012] Preferably, the left end of the push plate passes through the left side of the top cylinder, the mounting plate is slidably connected with the top cylinder, the lifting rod is slidably connected with the L-shaped plate, the upper end of the lifting rod is fixedly connected with a lifting block, and the lifting block is fixedly connected with the L-shaped plate and is provided with a spring.

[0013] Preferably, the upper side of the top cylinder is provided with a cooling assembly, the cooling assembly comprises two fixed blocks fixedly connected to the upper side of the top cylinder, the outer side of the fixed block is rotatably connected with a swing rod, the outer end of the swing rod is fixedly connected with a swing pipe, the outer side of the swing pipe is fixedly connected with a plurality of branch pipes, the upper end of the branch pipe is fixedly connected with a spray head, the outer end of the swing rod passes through the outer side of the fixed block and is fixedly connected with a gear part two, the front side of the mounting plate is fixedly connected with a connecting plate, the outer side of the connecting plate is fixedly connected with a toothed plate meshingly connected with the gear part two, the upper side of the top plate is fixedly connected with a water pump, and the water pump is fixedly connected with the swing pipe and is provided with a conveying hose.

[0014] Preferably, the right side of the moving plate is fixedly connected with a motor one rotating a driving output shaft, the upper side of the bottom plate is fixedly connected with a mounting block, and the mounting block is fixedly connected with an electric push rod between the moving plate.

[0015] The application provides a numerical control milling machine for valve accessory machining.

[0016] (1) The numerical control milling machine for valve accessory machining can control the grinding head to repeatedly swing to grind the inner wall of the ball through the arc-shaped track, the guide block, the first rotating plate, the second rotating plate and the grinding head, and can make the grinding head rotate under the cooperation of the second rotating rod, the gear part one, the toothed ring and the mounting rod, so that the grinding head is prevented from being seriously worn due to unilateral stress and the grinding effect is ensured.

[0017] (2) The numerical control milling machine for valve accessory machining can control the grinding head to repeatedly move left and right when the grinding head rotates through the top cylinder, the mounting plate, the lifting rod, the cam and the inclined plate, so that the grinding head is uniformly stressed and the grinding effect is improved.

[0018] (3) The valve accessory machining numerical control milling machine can repeatedly swing multiple spray heads through the setting of fixing block, swing pipe, branch pipe, spray head and conveying hose, and can spray the coolant on the grinding head, so that the uniform cooling of the grinding head is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole perspective view of the present application;

[0020] Figure 2 It is a partial perspective view of the present application;

[0021] Figure 3 It is a partial perspective view of the grinding unit in the present application;

[0022] Figure 4 It is an enlarged view of A in the present application; Figure 3

[0023] Figure 5 It is a partial perspective view of the control assembly in the present application;

[0024] Figure 6 It is an enlarged view of B in the present application; Figure 5

[0025] Figure 7 It is a partial perspective view of the control assembly in the present application;

[0026] Figure 8 It is an enlarged view of C in the present application; Figure 7

[0027] Figure 9 It is an enlarged view of D in the present application; Figure 7

[0028] Figure 10 It is a perspective view of the cooling assembly in the present application.

[0029] ​​​​In the figure: 1, bottom plate; 2, vertical plate; 3, top plate; 4, grinding unit; 5, sliding groove; 6, sliding block; 7, moving plate; 8, output shaft; 9, grinding clamp; 10, motor one; 11, mounting block; 12, electric push rod; 41, support plate; 42, arc-shaped guide rail; 43, guide block; 44, top cylinder; 45, control assembly; 46, cooling assembly; 47, mounting plate; 48, grinding head; 49, water pump; 410, bottom cover; 451, bottom block; 452, motor two; 453, rotating rod one; 454, rotating plate one; 455, rotating plate two; 456, connecting plate; 457, limiting plate; 458, linkage rod; 459, rotating frame; 4510, control plate; 4511, connecting rod; 4512, fixed plate; 4513, gear ring; 4514, rotating rod two; 4515, gear part one; 4516, limiting groove; 4517, limiting block; 4518, connecting cylinder; 4519, rotating rod three; 4520, bevel gear one; 4521, bevel gear two; 4522, mounting rod; 4523, mounting cylinder; 4524, cam; 4525, L-shaped plate; 4526, lifting rod; 4527, lifting block; 4528, spring; 4529, contact plate; 4530, abutting block; 4531, top block; 4532, inclined plate; 4533, push plate; 461, fixed block; 462, swinging rod; 463, swinging tube; 464, conveying hose; 465, branch pipe; 466, spray head; 467, gear part two; 468, toothed plate; 469, connecting plate. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0031] The present application provides the following technical solutions:

[0032] Embodiment one

[0033] Please refer to Figure 1 - Figure 9The utility model provides a numerical control milling machine for valve accessory processing, including bottom plate 1, the upside of bottom plate 1 is fixedly connected with vertical plate 2, the upside of vertical plate 2 is fixedly connected with top plate 3, and the downside of top plate 3 is provided with grinding unit 4, grinding unit 4 includes support plate 41, and support plate 41 is fixedly connected on the upside of bottom plate 1, the upside of support plate 41 is fixedly connected with arc guide rail 42, and the outside of arc guide rail 42 is slidably connected with guide block 43, and the upside of guide block 43 is fixedly connected with top cylinder 44, and the inside of top cylinder 44 is provided with mounting plate 47, and the upside of mounting plate 47 is provided with grinding head 48, and the downside of top plate 3 is provided with control assembly 45, and control assembly 45 is used to control grinding head 48 swing and autorotation, the upside of bottom plate 1 is provided with sliding slot 5, and the inside of sliding slot 5 is slidably connected with sliding block 6, and the upside of sliding block 6 is fixedly connected with moving plate 7, and the left side of moving plate 7 is rotatably connected with output shaft 8, and the left end of output shaft 8 is fixedly connected with grinding fixture 9, and the right side of moving plate 7 is fixedly connected with motor no. 10 for driving output shaft 8 to rotate, and the upside of bottom plate 1 is fixedly connected with mounting block 11, and electric push rod 12 is fixedly connected between mounting block 11 and moving plate 7, before grinding the ball body of ball valve, first place the ball body on grinding fixture 9 and hold, then control electric push rod 12 and drive moving plate 7 to move left, and moving plate 7 drives the ball body to move left, when grinding, start motor no. 10, and motor no. 10 drives output shaft 8 to rotate, and output shaft 8 drives the ball body on grinding fixture 9 to rotate, conveniently grind the inner wall of ball body, and grinding head 48 is located at the inside of ball body and contacts the inner wall of ball body at this time.

[0034] Control assembly 45 includes pivot lever two 4514, pivot lever two 4514 rotatably connected on the outside of guide block 43, the left end of pivot lever two 4514 is fixedly connected with gear one 4515, the upside of support plate 41 is fixedly connected with fixed plate 4512, the upside of fixed plate 4512 is fixedly connected with the gear ring 4513 of gear one 4515 meshing connection, the right end of pivot lever two 4514 is provided with connecting cylinder 4518, connecting cylinder 4518's right side is fixedly connected with pivot lever three 4519, the right end of pivot lever three 4519 is fixedly connected with bevel gear one 4520, the downside of mounting plate 47 is rotatably connected with mounting rod 4522, the lower end of mounting rod 4522 is fixedly connected with the bevel gear two 4521 of bevel gear one 4520 meshing connection, the upper end of mounting rod 4522 is fixedly connected with mounting cylinder 4523, and the lower end of grinding head 48 is located at the inside of mounting cylinder 4523, and the downside of mounting plate 47 is fixedly connected with bottom cover 410.

[0035] The lower side of the top plate 3 is fixedly connected with a bottom block 451 and a limiting plate 457, the outer side of the bottom block 451 is rotatably connected with a rotating rod one 453, the right end of the rotating rod one 453 is fixedly connected with a rotating plate one 454, the right side of the rotating plate one 454 is rotatably connected with a rotating plate two 455, the right side of the rotating plate two 455 is rotatably connected with a connecting plate 456, the right side of the connecting plate 456 is fixedly connected with a linkage rod 458, the linkage rod 458 is rotatably connected with the limiting plate 457, the right end of the linkage rod 458 is fixedly connected with a rotating frame 459, the inner side of the rotating frame 459 is slidably connected with a control plate 4510, the outer side of the control plate 4510 is fixedly connected with a connecting rod 4511, the connecting rod 4511 is rotatably connected with the guide block 43, and the left side of the bottom block 451 is fixedly connected with a motor two 452 for driving the rotating rod one 453 to rotate.

[0036] When grinding, the motor two 452 drives the rotating rod one 453 to rotate, the rotating rod one 453 drives the rotating plate one 454 to rotate, the rotating plate one 454 drives the rotating plate two 455 to rotate, the rotating plate two 455 drives the connecting plate 456 to rotate, the connecting plate 456 drives the linkage rod 458 to repeatedly swing, the linkage rod 458 drives the rotating frame 459 to repeatedly swing, the rotating frame 459 drives the control plate 4510 to repeatedly swing, the control plate 4510 drives the connecting rod 4511 to swing, the connecting rod 4511 drives the guide block 43 to repeatedly move along the arc-shaped guide rail 42, the guide block 43 drives the top cylinder 44 to move in an arc, the top cylinder 44 drives the mounting plate 47 to swing, and the mounting plate 47 drives the grinding head 48 to repeatedly move in an arc, so that the grinding operation on the inner wall of the sphere is facilitated, and when the guide block 43 moves in an arc, the guide block 43 drives the gear one 4515 on the rotating rod two 4514 to rotate along the gear ring 4513, the gear ring 4513 is meshed and connected with the gear one 4515, so that the gear one 4515 rotates, the gear one 4515 drives the rotating rod two 4514 to rotate, the rotating rod two 4514 drives the connecting cylinder 4518 on the limiting block 4517 to rotate, the connecting cylinder 4518 drives the rotating rod three 4519 to rotate, the rotating rod three 4519 drives the bevel gear one 4520 to rotate, the bevel gear one 4520 drives the bevel gear two 4521 to rotate, the bevel gear two 4521 drives the mounting rod 4522 to rotate, the mounting rod 4522 drives the mounting cylinder 4523 to rotate, and the mounting cylinder 4523 drives the grinding head 48 to rotate, so that the grinding head 48 is uniformly stressed during grinding, wherein the grinding head 48 is threadedly connected with the mounting cylinder 4523, the lower end of the grinding head 48 is a screw rod, the inner side of the mounting cylinder 4523 is provided with a threaded groove, and the grinding head 48 is limited by bolts (as shown in Figure 6

[0037] ​The outer side of the rotating rod two 4514 is provided with a plurality of limiting grooves 4516, the inner side of the limiting groove 4516 is slidably connected with a limiting block 4517, the limiting block 4517 is fixedly connected with a connecting cylinder 4518, the bottom cover 410 is rotatably connected with a rotating rod three 4519, the left side of the mounting plate 47 is fixedly connected with a push plate 4533, the outer side of the rotating rod two 4514 is fixedly connected with a cam 4524, the upper side of the top cylinder 44 is fixedly connected with an L-shaped plate 4525, the outer side of the L-shaped plate 4525 is provided with a lifting rod 4526, the lower end of the lifting rod 4526 is fixedly connected with a contact plate 4529, the lower side of the contact plate 4529 is fixedly connected with a resisting block 4530, the upper side of the contact plate 4529 is fixedly connected with a top block 4531, the outer side of the top block 4531 is rotatably connected with an inclined plate 4532, the inclined plate 4532 is rotatably connected with the push plate 4533, the left end of the push plate 4533 passes through the left side of the top cylinder 44, the mounting plate 47 is slidably connected with the top cylinder 44, the lifting rod 4526 is slidably connected with the L-shaped plate 4525, the upper end of the lifting rod 4526 is fixedly connected with a lifting block 4527, the lifting block 4527 and the L-shaped plate 4525 are fixedly connected with a spring 4528, when grinding, the rotating rod two 4514 drives the cam 4524 to rotate, under the action of the spring 4528 and the lifting block 4527, the cam 4524 drives the resisting block 4530 to repeatedly move up and down, the resisting block 4530 drives the contact plate 4529 to repeatedly move up and down, the contact plate 4529 drives the inclined plate 4532 to rotate, the inclined plate 4532 drives the push plate 4533 to repeatedly move left and right, the push plate 4533 drives the mounting plate 47 to repeatedly move left and right, the mounting plate 47 drives the grinding head 48 to repeatedly move left and right, so that the grinding head 48 is uniformly stressed.

[0038] Example two

[0039] On the basis of example one, such as Figure 10As shown, the upper side of the top cylinder 44 is provided with a cooling assembly 46, which includes two fixed blocks 461 fixedly connected to the upper side of the top cylinder 44, the outer side of the fixed block 461 is rotatably connected with an oscillating rod 462, the outer end of the oscillating rod 462 is fixedly connected with an oscillating pipe 463, the outer side of the oscillating pipe 463 is fixedly connected with a plurality of branch pipes 465, the upper end of the branch pipe 465 is fixedly connected with a spray head 466, the outer end of the oscillating rod 462 passes through the outer side of the fixed block 461 and is fixedly connected with a gear part two 467, the front side of the mounting plate 47 is fixedly connected with a connecting plate 469, the outer side of the connecting plate 469 is fixedly connected with a toothed plate 468 engaged with the gear part two 467, the upper side of the top plate 3 is fixedly connected with a water pump 49, and the water pump 49 and the oscillating pipe 463 are fixedly connected with a conveying hose 464, wherein the water pump 49 is connected with an external cooling liquid container, which is convenient to pump out the cooling liquid and convey the cooling liquid to the oscillating pipe 463 and the branch pipe 465 through the conveying hose 464, so that the spray head 466 sprays the cooling liquid on the surface of the grinding head 48 to cool the grinding head 48, at the same time, the mounting plate 47 drives the connecting plate 469 to move, the connecting plate 469 drives the toothed plate 468 to move left and right repeatedly, the toothed plate 468 drives the gear part two 467 to oscillate repeatedly, the gear part two 467 drives the oscillating rod 462 to oscillate repeatedly, the oscillating rod 462 drives the oscillating pipe 463 to oscillate, which is convenient to control the plurality of spray heads 466 to oscillate repeatedly, so that the cooling liquid is uniformly sprayed on the surface of the grinding head 48 to facilitate uniform cooling.

[0040] Meanwhile, the contents not described in detail in the specification all belong to the prior art known to those skilled in the art.

[0041] Working principle: in use, the worker first places the ball on the grinding clamp 9, and then controls the electric push rod 12 to drive the ball to move, so that the grinding head 48 is located inside the ball. When grinding, start the motor 10 to drive the ball to rotate, and start the motor 452, which drives the rotating rod 453 to rotate. Under the action of the rotating plate 454, the rotating plate 455 and the connecting plate 456, the rotating frame 459 on the control linkage 458 swings repeatedly, the rotating frame 459 drives the control plate 4510 to swing repeatedly, the control plate 4510 drives the guide block 43 on the connecting rod 4511 to move in an arc, the guide block 43 drives the top cylinder 44 to swing, the top cylinder 44 drives the grinding head 48 on the mounting plate 47 to swing repeatedly. At the same time, under the action of the gear part 4515 and the gear ring 4513, the rotating rod 4514 rotates, under the action of the connecting cylinder 4518, the rotating rod 4519, the bevel gear 4520, the bevel gear 4521 and the mounting rod 4522, the grinding head 48 on the mounting cylinder 4523 rotates, so that the grinding head 48 is evenly stressed. At the same time, the rotating rod 4514 drives the cam 4524 to rotate, under the action of the abutting block 4530, the contact plate 4529 and the inclined plate 4532, the push plate 4533 moves left and right repeatedly, the push plate 4533 drives the mounting plate 47 to move left and right repeatedly, and the mounting plate 47 drives the grinding head 48 to move left and right repeatedly, so that the grinding head 48 is more evenly stressed.

[0042] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that there is any such relationship or order between such entities or actions. Also, the terms "comprises", "comprising", or any other variation thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A CNC milling machine for processing valve fittings, comprising a base plate (1), characterized in that: A vertical plate (2) is fixedly connected to the upper side of the base plate (1), and a top plate (3) is fixedly connected to the upper side of the vertical plate (2). A grinding unit (4) is provided on the lower side of the top plate (3). The grinding unit (4) includes a support plate (41), which is fixedly connected to the upper side of the base plate (1). An arc-shaped guide rail (42) is fixedly connected to the upper side of the support plate (41). A guide block (43) is slidably connected to the outer side of the arc-shaped guide rail (42). A top cylinder (44) is fixedly connected to the upper side of the guide block (43). The inner side of the top cylinder (44) is provided with... A mounting plate (47) is provided, and a grinding head (48) is provided on the upper side of the mounting plate (47). A control component (45) is provided on the lower side of the top plate (3). The control component (45) is used to control the grinding head (48) to swing and rotate. A sliding groove (5) is provided on the upper side of the bottom plate (1). A slider (6) is slidably connected to the inner side of the sliding groove (5). A moving plate (7) is fixedly connected to the upper side of the slider (6). An output shaft (8) is rotatably connected to the left side of the moving plate (7). A grinding fixture (9) is fixedly connected to the left end of the output shaft (8).

2. The CNC milling machine for processing valve fittings according to claim 1, characterized in that: The control component (45) includes a second rotating rod (4514), which is rotatably connected to the outside of the guide block (43). A gear component (4515) is fixedly connected to the left end of the second rotating rod (4514). A fixing plate (4512) is fixedly connected to the upper side of the support plate (41). A gear ring (4513) that meshes with the gear component (4515) is fixedly connected to the upper side of the fixing plate (4512). A connecting cylinder (4518) is provided at the right end of the second rotating rod (4514). The right side of the connecting cylinder (4518) is fixedly connected to... There is a rotating rod three (4519), and a bevel gear one (4520) is fixedly connected to the right end of the rotating rod three (4519). A mounting rod (4522) is rotatably connected to the lower side of the mounting plate (47). A bevel gear two (4521) that meshes with the bevel gear one (4520) is fixedly connected to the lower end of the mounting rod (4522). A mounting cylinder (4523) is fixedly connected to the upper end of the mounting rod (4522). The lower end of the grinding head (48) is located inside the mounting cylinder (4523). A bottom cover (410) is fixedly connected to the lower side of the mounting plate (47).

3. The CNC milling machine for processing valve fittings according to claim 1, characterized in that: The bottom block (451) and the limiting plate (457) are fixedly connected to the lower side of the top plate (3). A rotating rod (453) is rotatably connected to the outer side of the bottom block (451). A rotating plate (454) is fixedly connected to the right end of the rotating rod (453). A rotating plate (455) is rotatably connected to the right side of the rotating plate (454). A connecting plate (456) is rotatably connected to the right side of the rotating plate (455). A linkage rod (458) is fixedly connected to the right side of the connecting plate (456). The linkage rod (458) is rotatably connected to the limiting plate (457). The right end of the linkage rod (458) is fixedly connected to the rotating frame (459). The inner side of the rotating frame (459) is slidably connected to the control plate (4510). The outer side of the control plate (4510) is fixedly connected to the connecting rod (4511). The connecting rod (4511) is rotatably connected to the guide block (43). The left side of the bottom block (451) is fixedly connected to the second motor (452) that drives the rotating rod (453) to rotate.

4. The CNC milling machine for processing valve fittings according to claim 2, characterized in that: Multiple limiting grooves (4516) are provided on the outer side of the rotating rod two (4514). A limiting block (4517) is slidably connected to the inner side of the limiting groove (4516). The limiting block (4517) is fixedly connected to the connecting cylinder (4518). The bottom cover (410) is rotatably connected to the rotating rod three (4519).

5. A CNC milling machine for processing valve fittings according to claim 2, characterized in that: A push plate (4533) is fixedly connected to the left side of the mounting plate (47), a cam (4524) is fixedly connected to the outer side of the rotating rod (4514), an L-shaped plate (4525) is fixedly connected to the upper side of the top cylinder (44), a lifting rod (4526) is provided on the outer side of the L-shaped plate (4525), a contact plate (4529) is fixedly connected to the lower end of the lifting rod (4526), ​​a stop block (4530) is fixedly connected to the lower side of the contact plate (4529), a top block (4531) is fixedly connected to the upper side of the contact plate (4529), and an inclined plate (4532) is rotatably connected to the outer side of the top block (4531). The inclined plate (4532) is rotatably connected to the push plate (4533).

6. A CNC milling machine for machining valve fittings according to claim 5, characterized in that: The left end of the push plate (4533) passes through the left side of the top cylinder (44), the mounting plate (47) is slidably connected to the top cylinder (44), the lifting rod (4526) is slidably connected to the L-shaped plate (4525), the upper end of the lifting rod (4526) is fixedly connected to the lifting block (4527), and a spring (4528) is fixedly connected between the lifting block (4527) and the L-shaped plate (4525).

7. A CNC milling machine for processing valve fittings according to claim 1, characterized in that: A cooling assembly (46) is provided on the upper side of the top cylinder (44). The cooling assembly (46) includes two fixing blocks (461), which are fixedly connected to the upper side of the top cylinder (44). A swing rod (462) is rotatably connected to the outer side of the fixing block (461). A swing tube (463) is fixedly connected to the outer end of the swing rod (462). Multiple branch pipes (465) are fixedly connected to the outer side of the swing tube (463). The upper end of the branch pipes (465) is fixedly connected to... There is a nozzle (466), the outer end of the swing rod (462) passes through the outside of the fixed block (461) and is fixedly connected to the gear component two (467), the front side of the mounting plate (47) is fixedly connected to the connecting plate (469), the outer side of the connecting plate (469) is fixedly connected to the gear component two (467), the upper side of the top plate (3) is fixedly connected to the water pump (49), and the water pump (49) and the swing pipe (463) are fixedly connected to the delivery hose (464).

8. A CNC milling machine for processing valve fittings according to claim 1, characterized in that: The right side of the movable plate (7) is fixedly connected to a motor (10) that drives the output shaft (8) to rotate, and the upper side of the base plate (1) is fixedly connected to a mounting block (11). An electric push rod (12) is fixedly connected between the mounting block (11) and the movable plate (7).

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