A valve machining hole diameter precision machining device and method of use

Abstract

The application discloses a hole diameter accurate machining equipment for valve machining and a use method, and relates to the technical field of valve machining.The application comprises a bottom plate, a vertical plate is fixedly connected to the top of the bottom plate, a valve body is placed on the top of the bottom plate, a second groove is formed in the top of the bottom plate, a clamping assembly for clamping the valve body is arranged in the second groove; a fixed circular plate is slidably connected to one side of the vertical plate, an electric push rod is fixedly connected to the top of the bottom plate, and the piston rod of the electric push rod is fixedly connected to the bottom of the fixed circular plate.The clamping assembly can clamp the valve body, so that the valve body is prevented from shaking, the cooperation of the electric push rod and the servo motor can complete the punching process, the push rod moves transversely, the braking state of the T-shaped groove is released, the push rod is pushed, the braking state of the T-shaped groove is not only released, but also the fixed ring is driven to rotate, and the arc-shaped plate is replaced.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of valve processing, in particular to a hole diameter accurate machining equipment for valve processing and a use method. BACKGROUND

[0002] Valves are used to open and close pipelines, control flow direction, adjust and control parameters of conveying medium. According to its function, it can be divided into shut-off valves, check valves, regulating valves, etc. The valve is a control component in the fluid conveying system, which has the functions of stopping, regulating, guiding flow, preventing backflow, stabilizing pressure, dividing flow or overflow pressure relief. The valve used in the fluid control system, from the simplest stop valve to the extremely complex self-control system used in various valves, has quite a variety of types and specifications.

[0003] According to the search, the invention with publication number CN103495756B discloses a drilling equipment with a mother-daughter drill bit, which drills holes by the mother-daughter drill bit sleeved together. The small-diameter drill bit is sleeved with the large-diameter drill bit. When working, the small-diameter drill bit is first driven to position and punch a point, then the large-diameter drill bit is driven to follow up and drill a hole, while ensuring that the small-diameter drill bit is always located at a distance in front of the large-diameter drill bit. Until the small-diameter drill bit reaches the preset depth and stops, the large-diameter drill bit continues to work to reach the predetermined depth. Due to the accurate positioning of the small-diameter drill bit and the pre-processed small-diameter hole, the large-diameter drill bit can process the required large-diameter hole along the small-diameter hole, which not only ensures accurate positioning, but also improves drilling efficiency.

[0004] The drilling equipment can realize accurate drilling function, but in use, it still has the following defects:

[0005] 1. When different types of valves or different sizes of holes need to be processed, the drill bit needs to be replaced, which is tedious and time-consuming and laborious to operate;

[0006] 2. When drilling, the stability of the valve cannot be well guaranteed, and drilling deviation may occur. SUMMARY

[0007] The purpose of the present application is to provide a hole diameter accurate machining equipment for valve processing. By setting the clamping assembly, the valve body can be clamped to avoid shaking of the valve body. By cooperating the electric push rod and the servo motor, the drilling process can be completed. The push rod is pushed to move horizontally to release the braking state of the T-shaped groove. The push piece is pushed to not only release the braking state of the T-shaped groove, but also drive the fixing ring to rotate to complete the replacement of the arc-shaped plate, thereby solving the existing technical problems.

[0008] To solve the above technical problems, the present application is realized by the following technical scheme:

[0009] The utility model provides a kind of aperture precision machining equipment for valve processing, comprising: bottom plate, the top of the bottom plate is fixedly connected with vertical plate, the top of the bottom plate is placed with valve body, the top of the bottom plate is equipped with second groove, the inside of the second groove is provided with clamping assembly for clamping valve body;

[0010] One side of the vertical plate is slidably connected with a fixed circular plate, the top of the bottom plate is fixedly connected with an electric push rod, the piston rod of the electric push rod is fixedly connected with the bottom of the fixed circular plate, one side of the fixed circular plate is fixedly connected with a connecting piece, the bottom of the fixed circular plate is rotatably connected with a fixed ring, the bottom of the fixed ring is fixedly connected with a plurality of arc-shaped pieces, an arc-shaped plate is provided between the plurality of arc-shaped pieces, and a drilling assembly for drilling is provided in the inside of the arc-shaped plate;

[0011] The bottom of the connecting piece is rotatably connected with a mounting plate, and the bottom of the mounting plate is provided with a mounting assembly for fixing the arc-shaped plate;

[0012] The bottom of the mounting plate is fixedly connected with a T-shaped column, and one side of the T-shaped column is provided with a fixing assembly for fixing the arc-shaped plate;

[0013] The bottom of the fixed circular plate is provided with a replacement assembly for controlling the replacement of the arc-shaped plate.

[0014] Optionally, the clamping assembly comprises a second groove rotatably connected between the inner walls on both sides of the second groove, the bottom inner wall of the second groove is slidably connected with two symmetrically arranged screw blocks, both screw blocks are threadedly sleeved on the outer wall of a bidirectional screw rod, the top of each screw block is fixedly connected with a clamping plate, a first groove is formed in one side of each clamping plate that faces the other, and one end of the bidirectional screw rod is rotatably penetrated through the bottom plate and fixedly connected with a hand wheel.

[0015] Optionally, the drilling assembly comprises a drill bit fixedly connected to the bottom of the arc-shaped plate, an oval groove is formed in the top of the arc-shaped plate, a cylindrical block is fixedly connected to the top of the oval groove, a T-shaped groove is formed in the top of the cylindrical block for cooperation with the T-shaped column, and a T-shaped strip is fixedly connected to the bottom of the connecting piece for cooperation with the T-shaped groove.

[0016] Optionally, the mounting assembly comprises an arc-shaped baffle fixedly connected to the bottom of the mounting plate, a servo motor is fixedly connected to the top of the connecting piece, a second rotating shaft is fixedly connected to the output shaft of the servo motor, the second rotating shaft is rotatably penetrated through the connecting piece and fixedly connected to the top center of the mounting plate.

[0017] Optionally, the fixing assembly comprises a second fixing sheet fixedly connected to one side of the T-shaped column, a protruding block is slidably connected to one side of the T-shaped column, a spring is fixedly connected between the top of the protruding block and the bottom of the second fixing sheet, a push rod is slidably arranged in the T-shaped column, a trapezoidal plate is fixedly connected to the top of the protruding block and cooperates with the push rod, and a rotating piece is rotatably connected to one end of the push rod and cooperates with the arc-shaped baffle.

[0018] Optionally, the replacing assembly comprises a horizontal rod fixedly connected to the inside of the fixing ring, a first rotating shaft is fixedly connected to the inside of the horizontal rod, a overrunning clutch is fixedly sleeved to the outer wall of the first rotating shaft, a spur gear is arranged on the outer wall of the overrunning clutch, a first fixing sheet is fixedly connected to the bottom of the fixing disc, a push piece is slidably connected to the bottom of the fixing disc, a pulling spring is fixedly connected between the push piece and the first fixing sheet, a rack is fixedly connected to one side of the push piece and meshes with the spur gear.

[0019] Optionally, the two ends of the arc-shaped plate are fixedly connected with sliding blocks, the two sides of the arc-shaped piece are provided with first sliding grooves for cooperating with the sliding blocks, the two sides of the connecting piece are fixedly connected with fixed side plates, and the side of each fixed side plate is provided with a second sliding groove for cooperating with the sliding block.

[0020] Optionally, the sizes of the plurality of drill bits are inconsistent.

[0021] A use method of a hole diameter accurate machining equipment for valve machining, characterized in that the use method comprises the following steps:

[0022] S1, first rotate the hand wheel to drive the two threaded blocks to move close to each other, thereby clamping the valve body, start the electric push rod to drive the fixing disc to move vertically downward, and cooperate with the servo motor to complete the drilling process;

[0023] S2, horizontally push the push rod to release the braking state of the T-shaped groove, at this time, the arc-shaped plate can be moved back to between the two arc-shaped pieces;

[0024] S3, push the push piece to drive the fixing ring to rotate, thereby adjusting the position of the arc-shaped plate, after the adjustment is completed, continue to push the push piece to eject the arc-shaped plate, and the replacement of the arc-shaped plate is completed.

[0025] The embodiments of the present application have the following beneficial effects:

[0026] 1, in use, place the valve body on the bottom plate, rotate the hand wheel, the hand wheel drives the bidirectional screw rod to rotate, the bidirectional screw rod drives the two threaded blocks to move close to each other, the two threaded blocks drive the two clamping plates to move close to each other, and the two clamping plates clamp the valve body to avoid the valve body from shaking;

[0027] 2, start the electric push rod, the piston rod of the electric push rod drives the fixed circular plate to move vertically downward, the fixed circular plate drives the connecting sheet to move vertically downward, the connecting sheet drives the arc-shaped plate to move vertically downward, the arc-shaped plate drives the drill bit to move vertically downward, at this time, start the servo motor, the output shaft of the servo motor drives the mounting plate to rotate, the mounting plate drives the T-shaped column to rotate, the T-shaped column drives the cylindrical block to rotate, and then the drill bit can be driven to rotate, and the punching process is completed;

[0028] 3, when the drill bit needs to be replaced, first rotate the rotating sheet so that the rotating sheet no longer abuts against one side of the arc-shaped baffle, and then the push rod can be pushed to move laterally, the push rod pushes the trapezoidal plate to move vertically upward, the trapezoidal plate drives the protrusion to move vertically upward, at this time, the protrusion no longer blocks the cylindrical block, and then the braking state of the cylindrical block can be released, the arc-shaped plate is moved laterally, the cylindrical block is moved from the T-shaped column to the inside of the T-shaped strip, and reenters between the plurality of arc-shaped sheets;

[0029] 4, the push sheet can be pushed laterally, the push sheet drives the rack to move laterally, the rack drives the spur gear to rotate, the spur gear drives the first rotating shaft to rotate, and the first rotating shaft drives the spur gear to rotate, because the overrunning clutch is provided, at this time, when the rack rebounds, the first rotating shaft will not be reversed, when the first rotating shaft rotates, the cross rod is driven to rotate, the fixed ring is driven to rotate, and the arc-shaped sheet is driven to rotate, at this time, the next arc-shaped plate can be rotated to one side of the connecting sheet, and in this way, the arc-shaped plate at a suitable position can be moved to one side of the connecting sheet;

[0030] 5, continue to push the push sheet, the rack sends the arc-shaped plate out, the arc-shaped plate drives the drill bit and the cylindrical block to move laterally, the T-shaped groove is engaged with the T-shaped strip, at the same time, the slider enters the inside of the second sliding groove to avoid falling off, after the T-shaped groove is engaged with the T-shaped column, the cylindrical block can be fixed at the bottom of the mounting plate, the arc-shaped baffle avoids the cylindrical block from falling off, at the same time, the protrusion is lowered again to block the other end of the cylindrical block, and stability is ensured, and the use is convenient.

[0031] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0032] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0033] Figure 1 It is a three-dimensional structural schematic diagram of an embodiment of the present application;

[0034] Figure 2Structure diagram of bottom plate in one embodiment of the present application;

[0035] Figure 3 Structure diagram of fixed side plate and fixed circular plate in one embodiment of the present application;

[0036] Figure 4 Structure diagram of arc-shaped sheet and arc-shaped plate in one embodiment of the present application;

[0037] Figure 5 Structure diagram of rack and pushing sheet in one embodiment of the present application;

[0038] Figure 6 Structure diagram of arc-shaped plate and drill bit in one embodiment of the present application;

[0039] Figure 7 Structure diagram of fixed side plate and connecting sheet in one embodiment of the present application;

[0040] Figure 8 Structure diagram of connecting sheet in one embodiment of the present application;

[0041] Figure 9 Structure diagram of mounting plate in one embodiment of the present application;

[0042] Figure 10 Structure diagram of second fixed sheet and protruding block in one embodiment of the present application.

[0043] In the figure: 1, bottom plate; 2, hand wheel; 3, clamping plate; 4, valve body; 5, fixed side plate; 6, servo motor; 7, fixed circular plate; 8, arc-shaped sheet; 9, vertical plate; 10, electric push rod; 11, first recess; 12, threaded block; 13, bidirectional screw rod; 14, second recess; 15, connecting sheet; 16, arc-shaped plate; 17, drill bit; 18, pushing sheet; 19, fixed ring; 20, sliding block; 21, first sliding groove; 22, tension spring; 23, first fixed sheet; 24, first rotating shaft; 25, crossbar; 26, rack; 27, overrunning clutch; 28, spur gear; 29, elliptical groove; 30, T-shaped groove; 31, cylindrical block; 32, T-shaped column; 33, T-shaped strip; 34, second sliding groove; 35, arc-shaped baffle; 36, second rotating shaft; 37, mounting plate; 38, second fixed sheet; 39, spring; 40, trapezoidal plate; 41, protruding block; 42, rotating sheet; 43, pushing rod. DETAILED DESCRIPTION

[0044] Clearly, the described embodiments are only a 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 of ordinary skill in the art without creative efforts fall within the protection scope of the present application.

[0045] In the description of the present application, it should be understood that the terms "opening", "upper", "middle", "length", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred components or elements must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

[0046] In order to keep the following description of the embodiments of the present application clear and concise, the present application omits the detailed description of known functions and known components.

[0047] Embodiment one

[0048] Please refer to Figures 1-10 As shown in the drawings, in the present embodiment, a hole diameter accurate machining equipment for valve machining is provided, which comprises a bottom plate 1, a vertical plate 9 fixedly connected to the top of the bottom plate 1, a valve body 4 placed on the top of the bottom plate 1, a second groove 14 opened on the top of the bottom plate 1, and a clamping assembly for clamping the valve body 4 arranged in the inside of the second groove 14.

[0049] A fixed circular plate 7 is slidingly connected to one side of the vertical plate 9, an electric push rod 10 is fixedly connected to the top of the bottom plate 1, the piston rod of the electric push rod 10 is fixedly connected to the bottom of the fixed circular plate 7, a connecting piece 15 is fixedly connected to one side of the fixed circular plate 7, a fixed ring 19 is rotatably connected to the bottom of the fixed circular plate 7, a plurality of arc-shaped pieces 8 are fixedly connected to the bottom of the fixed ring 19, an arc-shaped plate 16 is arranged between the plurality of arc-shaped pieces 8, and a drilling assembly for drilling is arranged in the inside of the arc-shaped plate 16.

[0050] The bottom of the connecting piece 15 is rotatably connected to a mounting plate 37, and the bottom of the mounting plate 37 is provided with a mounting assembly for fixing the arc-shaped plate 16.

[0051] The bottom of the mounting plate 37 is fixedly connected to a T-shaped column 32, and one side of the T-shaped column 32 is provided with a fixing assembly for fixing the arc-shaped plate 16.

[0052] The bottom of the fixed circular plate 7 is provided with a replacement assembly for controlling the replacement of the arc-shaped plate 16.

[0053] In one aspect of the present embodiment, as Figures 1-2As shown, the clamping assembly comprises the same second groove 14 which is rotatably connected between the inner walls on both sides of the second groove 14, the bottom inner wall of the second groove 14 is slidably connected with two symmetrically arranged threaded blocks 12, both threaded blocks 12 are threadedly sleeved on the outer wall of the bidirectional screw rod 13, the top of the threaded block 12 is fixedly connected with the clamping plate 3, the side of both clamping plates 3 close to each other is provided with the first groove 11, one end of the bidirectional screw rod 13 rotatably penetrates through the bottom plate and is fixedly connected with the hand wheel 2, in use, the valve body 4 is placed on the bottom plate 1, the hand wheel 2 is rotated, the hand wheel 2 drives the bidirectional screw rod 13 to rotate, the bidirectional screw rod 13 drives the two threaded blocks 12 to move close to each other, the two threaded blocks 12 drive the two clamping plates 3 to move close to each other, the two clamping plates 3 clamp the valve body 4, so that the valve body 4 is prevented from shaking.

[0054] In one aspect of the embodiment, as shown in Figures 3-6 The drilling assembly comprises the drill bit 17 fixedly connected to the bottom of the arc-shaped plate 16, the top of the arc-shaped plate 16 is provided with the oval groove 29, the top of the cylindrical block 31 fixedly connected to the top of the oval groove 29 is provided with the T-shaped groove 30 matched with the T-shaped column 32, the bottom of the connecting piece 15 is fixedly connected with the T-shaped strip 33 matched with the T-shaped groove 30, the sizes of the plurality of drill bits 17 are inconsistent, the electric push rod 10 is started, the piston rod of the electric push rod 10 drives the fixed circular plate 7 to move vertically downward, the fixed circular plate 7 drives the connecting piece 15 to move vertically downward, the connecting piece 15 drives the arc-shaped plate 16 to move vertically downward, the arc-shaped plate 16 drives the drill bit 17 to move vertically downward, at this time, the servo motor 6 is started, the output shaft of the servo motor 6 drives the mounting plate 37 to rotate, the mounting plate 37 drives the T-shaped column 32 to rotate, the T-shaped column 32 drives the cylindrical block 31 to rotate, and in turn can drive the drill bit 17 to rotate, thereby completing the punching process.

[0055] In another aspect of the embodiment, as shown in Figures 7-8 The mounting assembly comprises the arc-shaped baffle 35 fixedly connected to the bottom of the mounting plate 37, the top of the connecting piece 15 is fixedly connected with the servo motor 6, the output shaft of the servo motor 6 is fixedly connected with the second rotating shaft 36, the bottom of the second rotating shaft 36 rotatably penetrates through the connecting piece 15 and is fixedly connected with the top center position of the mounting plate 37, the pushing piece 18 is continuously pushed, the arc-shaped plate 16 is sent out by the rack 26, the arc-shaped plate 16 drives the drill bit 17 and the cylindrical block 31 to move transversely, the T-shaped groove 30 is engaged with the T-shaped strip 33, at the same time, the slider 20 enters the inside of the second sliding groove 34, thereby avoiding falling, after the T-shaped groove 30 is engaged with the T-shaped column 32, the cylindrical block 31 can be fixed on the bottom of the mounting plate 37, the arc-shaped baffle 35 is arranged to avoid the cylindrical block 31 from falling, at the same time, the protrusion 41 is lowered again to block the other end of the cylindrical block 31, thereby ensuring stability and facilitating use.

[0056] In other aspects of the embodiment, as shown in Figures 9-10As shown, the fixing assembly comprises a second fixing sheet 38 fixedly connected to one side of the T-shaped column 32, the one side of the T-shaped column 32 is slidably connected with a protruding block 41, the same spring 39 is fixedly connected between the top of the protruding block 41 and the bottom of the second fixing sheet 38, the T-shaped column 32 is slidably penetrated by a pushing rod 43, the top of the protruding block 41 is fixedly connected with a trapezoidal plate 40 which is used in cooperation with the pushing rod 43, one end of the pushing rod 43 is rotatably connected with a rotating sheet 42 which is used in cooperation with the arc-shaped baffle 35, when it is necessary to replace the drill bit 17, the rotating sheet 42 is rotated first so that the rotating sheet 42 no longer abuts against one side of the arc-shaped baffle 35, and then the pushing rod 43 can be pushed to move horizontally, the pushing rod 43 pushes the trapezoidal plate 40 to move vertically upward, the trapezoidal plate 40 drives the protruding block 41 to move vertically upward, at this time, the protruding block 41 no longer blocks the cylindrical block 31, and then the brake state of the cylindrical block 31 can be released, the arc-shaped plate 16 is moved horizontally, so that the cylindrical block 31 is moved from the T-shaped column 32 to the inside of the T-shaped strip 33, and re-enters between the plurality of arc-shaped sheets 8.

[0057] A method for using a hole diameter accurate machining device for valve machining, characterized in that it comprises the following steps:

[0058] S1, first rotate the hand wheel 2, which can drive the two threaded blocks 12 to move close to each other, thereby clamping the valve body 4, and then start the electric push rod 10 to drive the fixed circular plate 7 to move vertically downward, and cooperate with the servo motor 6 to complete the drilling process;

[0059] S2, horizontally push the pushing rod 43 to release the brake state of the T-shaped groove 30, at this time, the arc-shaped plate 16 can be moved back to between the two arc-shaped sheets 8;

[0060] S3, push the pushing sheet 18 to drive the fixed ring 19 to rotate, thereby adjusting the position of the arc-shaped plate 16, and after the adjustment is completed, continue to push the pushing sheet 18 to eject the arc-shaped plate 16, thereby completing the replacement of the arc-shaped plate 16.

[0061] Example two

[0062] Based on the improvement of example one: refer to the attached Figures 3-5The replacement assembly comprises a cross rod 25 fixedly connected inside the fixed ring 19, a first rotating shaft 24 fixedly connected inside the cross rod 25, an overrunning clutch 27 fixedly sleeved on the outer wall of the first rotating shaft 24, a spur gear 28 arranged on the outer wall of the overrunning clutch 27, a first fixed sheet 23 fixedly connected to the bottom of the fixed circular plate 7, a push sheet 18 slidingly connected to the bottom of the fixed circular plate 7, a same tension spring 22 fixedly connected between the push sheet 18 and the first fixed sheet 23, a rack 26 fixedly connected to one side of the push sheet 18, and the rack 26 is engaged with the spur gear 28, so that the push sheet 18 can be pushed horizontally, the push sheet 18 drives the rack 26 to move horizontally, the rack 26 drives the spur gear 28 to rotate, the spur gear 28 drives the first rotating shaft 24 to rotate, and the first rotating shaft 24 drives the spur gear 28 to rotate. Because the overrunning clutch 27 is arranged, when the rack 26 rebounds, the first rotating shaft 24 will not be reversed, the first rotating shaft 24 drives the cross rod 25 to rotate when rotating, the cross rod 25 drives the fixed ring 19 to rotate, and the fixed ring 19 drives the arc-shaped sheet 8 to rotate. At this time, the next arc-shaped plate 16 can be rotated to one side of the connecting sheet 15, and the arc-shaped plate 16 at a suitable position can be moved to one side of the connecting sheet 15 through such reciprocation.

[0063] Example three

[0064] On the basis of example one, reference is made to the accompanying drawings Figures 6-7 Both ends of the arc-shaped plate 16 are fixedly connected with sliding blocks 20, both sides of the arc-shaped sheet 8 are provided with first sliding grooves 21 matched with the sliding blocks 20, both sides of the connecting sheet 15 are fixedly connected with fixed side plates 5, and one side of the fixed side plate 5 is provided with a second sliding groove 34 matched with the sliding block 20.

[0065] The technical scheme of the application uses the following process and working principle:

[0066] In use, the valve body 4 is placed on the bottom plate 1, the hand wheel 2 is rotated, the hand wheel 2 drives the bidirectional screw rod 13 to rotate, the bidirectional screw rod 13 drives the two threaded blocks 12 to move close to each other, the two threaded blocks 12 drive the two clamping plates 3 to move close to each other, and the two clamping plates 3 clamp the valve body 4 to avoid shaking of the valve body 4.

[0067] The electric push rod 10 is started, the piston rod of the electric push rod 10 drives the fixed circular plate 7 to move vertically downward, the fixed circular plate 7 drives the connecting sheet 15 to move vertically downward, the connecting sheet 15 drives the arc-shaped plate 16 to move vertically downward, and the arc-shaped plate 16 drives the drill bit 17 to move vertically downward. At this time, the servo motor 6 is started, the output shaft of the servo motor 6 drives the mounting plate 37 to rotate, the mounting plate 37 drives the T-shaped column 32 to rotate, the T-shaped column 32 drives the cylindrical block 31 to rotate, and the cylindrical block 31 can drive the drill bit 17 to rotate, thereby completing the punching process.

[0068] When the drill bit 17 needs to be replaced, the rotating plate 42 is first rotated so that the rotating plate 42 no longer abuts against one side of the arc-shaped baffle 35, and then the push rod 43 is pushed to move laterally, the trapezoidal plate 40 is pushed to move vertically upward, the trapezoidal plate 40 drives the protruding block 41 to move vertically upward, at this time, the protruding block 41 no longer blocks the cylindrical block 31, and the cylindrical block 31 is released from the braking state, the arc-shaped plate 16 is moved laterally, and the cylindrical block 31 is moved from the T-shaped column 32 to the inside of the T-shaped strip 33 and reenters between the plurality of arc-shaped plates 8.

[0069] The push plate 18 can be pushed laterally, the push plate 18 drives the rack 26 to move laterally, the rack 26 drives the spur gear 28 to rotate, the spur gear 28 drives the first rotating shaft 24 to rotate, the first rotating shaft 24 drives the spur gear 28 to rotate, and because the overrunning clutch 27 is arranged, at this time, when the rack 26 rebounds, the first rotating shaft 24 will not be reversed, the first rotating shaft 24 drives the cross rod 25 to rotate when rotating, the cross rod 25 drives the fixed ring 19 to rotate, the fixed ring 19 drives the arc-shaped plate 8 to rotate, at this time, the next arc-shaped plate 16 can be rotated to one side of the connecting plate 15, and in this way, the arc-shaped plate 16 in the appropriate position can be moved to one side of the connecting plate 15.

[0070] The push plate 18 is continuously pushed, the rack 26 sends the arc-shaped plate 16 out, the arc-shaped plate 16 drives the drill bit 17 and the cylindrical block 31 to move laterally, the T-shaped groove 30 is clamped with the T-shaped strip 33, at the same time, the sliding block 20 enters the inside of the second sliding groove 34 to avoid falling, after the T-shaped groove 30 is clamped with the T-shaped column 32, the cylindrical block 31 can be fixed at the bottom of the mounting plate 37, the arc-shaped baffle 35 is arranged to avoid the cylindrical block 31 from falling, at the same time, the protruding block 41 is lowered again to block the other end of the cylindrical block 31, and the stability is ensured, and the use is convenient.

[0071] It should be noted that in the description of the specification, the description such as “first”, “second”, etc. is only used to distinguish various features, and does not have actual sequence or direction meaning, and the application is not limited thereto.

[0072] In the description of the specification, the description of the terms “one embodiment”, “example”, “specific example”, etc. means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are contained in at least one embodiment or example of the application. In the specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0073] The preferred embodiments of the application disclosed above are only to facilitate the elucidation of the application. The preferred embodiments do not describe all the details of the application and limit the application to the specific embodiments described. Obviously, many modifications and variations can be made in light of the teachings above. The description is chosen and described in order to best explain the principles of the application and its practical application to thereby enable others skilled in the art to best utilize the application and get the best results from the application. The application is only limited by the claims and their full scope and equivalents.

Claims

1. A precision bore diameter machining device for valve processing, characterized in that, include: A base plate (1) is fixedly connected to a vertical plate (9) on the top of the base plate (1). A valve body (4) is placed on the top of the base plate (1). A second groove (14) is opened on the top of the base plate (1). A clamping assembly for clamping the valve body (4) is provided inside the second groove (14). A fixed circular plate (7) is slidably connected to one side of the vertical plate (9), an electric push rod (10) is fixedly connected to the top of the bottom plate (1), the piston rod of the electric push rod (10) is fixedly connected to the bottom of the fixed circular plate (7), a connecting piece (15) is fixedly connected to one side of the fixed circular plate (7), a fixed ring (19) is rotatably connected to the bottom of the fixed circular plate (7), a plurality of arc-shaped pieces (8) are fixedly connected to the bottom of the fixed ring (19), an arc plate (16) is provided between the plurality of arc-shaped pieces (8), and a drilling assembly for drilling is provided inside the arc plate (16). The bottom of the connecting piece (15) is rotatably connected to a mounting plate (37), and the bottom of the mounting plate (37) is provided with a mounting assembly for fixing the arc plate (16). The bottom of the mounting plate (37) is fixedly connected to a T-shaped column (32), and a fixing component for fixing the arc plate (16) is provided on one side of the T-shaped column (32). The bottom of the fixed circular plate (7) is provided with a replacement component for controlling the replacement of the arc plate (16); The clamping assembly includes a bidirectional lead screw (13) rotatably connected between the inner walls of the two sides of the second groove (14). Two symmetrically arranged threaded blocks (12) are slidably connected to the bottom inner wall of the bidirectional lead screw (13). The two threaded blocks (12) are threaded onto the outer wall of the bidirectional lead screw (13). A clamping plate (3) is fixedly connected to the top of the threaded block (12). A first groove (11) is opened on the side of the two clamping plates (3) that are close to each other. One end of the bidirectional lead screw (13) rotatably passes through the bottom plate and is fixedly connected to a handwheel (2). The drilling assembly includes a drill bit (17) fixedly connected to the bottom of the arc plate (16), an elliptical groove (29) is provided on the top of the arc plate (16), a cylindrical block (31) is fixedly connected to the top of the elliptical groove (29), a T-shaped groove (30) is provided on the top of the cylindrical block (31) for use with a T-shaped column (32), and a T-shaped strip (33) for use with a T-shaped groove (30) is fixedly connected to the bottom of the connecting piece (15). The mounting assembly includes an arc-shaped baffle (35) fixedly connected to the bottom of the mounting plate (37), a servo motor (6) fixedly connected to the top of the connecting piece (15), a second rotating shaft (36) fixedly connected to the output shaft of the servo motor (6), and the bottom of the second rotating shaft (36) rotatably passes through the connecting piece (15) and is fixedly connected to the top center position of the mounting plate (37). The fixing assembly includes a second fixing piece (38) fixedly connected to one side of the T-shaped column (32), a protrusion (41) slidably connected to one side of the T-shaped column (32), a spring (39) fixedly connected between the top of the protrusion (41) and the bottom of the second fixing piece (38), a push rod (43) slidably passing through the interior of the T-shaped column (32), a trapezoidal plate (40) cooperating with the push rod (43) fixedly connected to the top of the protrusion (41), a rotating piece (42) rotatably connected to one end of the push rod (43), and the rotating piece (42) cooperating with the arc-shaped baffle (35). The replacement component includes a crossbar (25) fixedly connected inside a fixed ring (19), a first rotating shaft (24) fixedly connected inside the crossbar (25), an overrunning clutch (27) fixedly sleeved on the outer wall of the first rotating shaft (24), a spur gear (28) provided on the outer wall of the overrunning clutch (27), a first fixing plate (23) fixedly connected to the bottom of the fixed circular plate (7), a push plate (18) slidably connected to the bottom of the fixed circular plate (7), a tension spring (22) fixedly connected between the push plate (18) and the first fixing plate (23), a rack (26) fixedly connected to one side of the push plate (18), and the rack (26) meshing with the spur gear (28); Pushing the pusher plate (18) can rotate the fixed ring (19), thereby adjusting the position of the arc plate (16). After the adjustment is completed, the pusher plate (18) can be pushed to push out the arc plate (16) and complete the replacement of the arc plate (16).

2. The precision bore machining equipment for valve processing as described in claim 1, characterized in that, Both ends of the arc plate (16) are fixedly connected to sliders (20), and both sides of the arc plate (8) are provided with first grooves (21) that cooperate with sliders (20). Both sides of the connecting plate (15) are fixedly connected to fixed side plates (5), and one side of the fixed side plate (5) is provided with a second groove (34) that cooperates with sliders (20).

3. The precision bore diameter machining equipment for valve processing as described in claim 2, characterized in that, The dimensions of the various drill bits (17) are not consistent.

4. The method of using the precision bore diameter machining equipment for valve machining as described in any one of claims 1-3, characterized in that, Specifically, the following steps are included: S1. First, turn the handwheel (2) to drive the two threaded blocks (12) to move closer to each other, thereby clamping the valve body (4). Start the electric push rod (10) to drive the fixed circular plate (7) to move vertically downward, and cooperate with the servo motor (6) to complete the drilling process. S2. Pushing the push rod (43) laterally can release the braking state of the T-slot (30), at which time the arc plate (16) can be moved back between the two arc plates (8); S3. Pushing the pusher plate (18) can drive the fixed ring (19) to rotate, thereby adjusting the position of the arc plate (16). After the adjustment is completed, the pusher plate (18) can be pushed to push out the arc plate (16) and complete the replacement of the arc plate (16).

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