A valve end face circumference polishing device

Abstract

The application discloses a valve end face and circumference polishing device, and particularly relates to the technical field of valve processing, which comprises a casing, a clamping mechanism is fixedly connected to the middle part of the inner cavity of the casing, a polishing mechanism is arranged on the right side of the clamping mechanism, U-shaped frames are fixedly connected to the middle parts of the left and right ends of the casing, and left-right symmetrical observation windows are arranged on the upper side of the front end of the casing. The electric telescopic rod two in the clamping mechanism is used in cooperation with the limiting frame, so that the groove clamping plate clamps and fixes the valve. The electric telescopic rod three and the motor one are started, the valve is driven to rotate under the cooperation of the toothed disc and the gear shaft, the valve does not need to be dismounted and reinstalled when the device needs to polish the end face and circumference, time is saved, work efficiency is improved, in addition, the end face, the end face and circumference, the outer circle and the inner hole of the valve are polished under the cooperation of the polishing group three and the polishing group one, and the application range of the device is further increased.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of valve machining, in particular to a valve end face and circumference polishing device. BACKGROUND

[0002] The end face flange of a valve is connected with a pipeline, before drilling is performed on the end face of the valve, the end face circle on the end face of the valve needs to be fully polished to prevent the outer surface of the end face from being uneven and having a protruding phenomenon, and workers are prevented from being pricked when performing pipeline connection and end face drilling, in the prior art, sandpaper is used to slowly polish to reduce burrs, but this method is slow in processing speed, consumes manpower, and a lot of time is consumed when a larger unevenness is encountered, therefore, a valve end face and circumference polishing device is needed.

[0003] Chinese Patent Publication No. CN108655880B discloses a valve end face and circumference polisher, which comprises a support frame one, a support frame two arranged on the support frame one, clamping devices arranged on the two sides of the support frame one and used for clamping the side face of the valve, and a polishing device arranged on the support frame one and used for polishing the end face and circumference of the clamped valve, the polisher and a dust remover are arranged to move in a circumference and cooperate with each other, the outer surface of the end face circle of the valve is polished, the clamping plates on the two sides are movable to clamp the side end of the valve to cooperate with the polishing, the polishing effect is good, and the working efficiency is high; however, the following defects still exist in the implementation process.

[0004] In the implementation process of the above patent document, the valve can be fixed and polished, but the device can only polish the end face and circumference of one side of the valve, the polishing method is single, and the unpolished end face and circumference needs to be reinstalled. SUMMARY

[0005] The main purpose of the application is to provide a valve end face and circumference polishing device, which can effectively solve the problems that the device can only polish the end face and circumference of one side of the valve, the polishing method is single, and the unpolished end face and circumference needs to be reinstalled.

[0006] To achieve the above purpose, the technical scheme adopted by the application is as follows:

[0007] A valve end face and circumference polishing device, which comprises a machine shell, a clamping mechanism fixedly connected to the middle part of the inner cavity of the machine shell, a polishing mechanism arranged on the right side of the clamping mechanism, U-shaped frames fixedly connected to the middle parts of the left and right ends of the machine shell, a conveying part arranged in the inner cavities of the two U-shaped frames, the outer surface of the conveying part penetrating through the middle parts of the left and right ends of the machine shell in sequence, and the conveying part being located directly below the clamping mechanism and the polishing mechanism, and observation windows symmetrically arranged on the upper side of the front end of the machine shell.

[0008] Preferably, the clamping mechanism comprises a connecting frame, front and middle parts of the upper end of the connecting frame are fixedly connected with slide rails, the outer surfaces of the two slide rails are commonly connected with a clamping group, the left lower part of the clamping group is fixedly connected with an electric telescopic rod one, the lower end of the electric telescopic rod one is fixedly connected with the left side of the upper end of the connecting frame, and the front and rear ends of the connecting frame are fixedly connected with the front wall and the rear wall of the inner cavity of the shell.

[0009] Preferably, the clamping group comprises a convex plate, the lower end of the convex plate is provided with front and rear symmetrical sliding grooves, the vertical upper end of the convex plate is provided with a mounting groove one, the rear side of the inner cavity of the mounting groove one is fixedly connected with a motor one, the output end of the motor one is fixedly connected with a toothed disc, the outer surface of the toothed disc is meshedly connected with a gear rotating shaft, the outer surface of the gear rotating shaft is rotatably connected with the front side of the inner cavity of the mounting groove one, the rear side of the horizontal upper end of the convex plate is fixedly connected with an L-shaped support, the middle part of the rear end of the L-shaped support is fixedly connected with an electric telescopic rod three, the output end of the electric telescopic rod three penetrates through the rear end of the L-shaped support and is fixedly connected with a limiting frame, the outer surface of the limiting frame is slidably connected with the L-shaped support and the convex plate, the front side of the upper end of the L-shaped support is fixedly connected with an electric telescopic rod two, and the output end of the electric telescopic rod two and the upper end of the gear rotating shaft are both provided with recessed groove clamping plates.

[0010] Preferably, the lower end of the convex plate is fixedly connected with the right side of the upper end of the connecting frame, the inner cavities of the two sliding grooves are slidably connected with the outer surfaces of the two slide rails, and the left end of the convex plate is fixedly connected with the output end of the electric telescopic rod one.

[0011] Preferably, the polishing mechanism comprises a bottom plate, the middle part of the upper end of the bottom plate is fixedly connected with a fixed plate, the lower side of the outer surface of the fixed plate is fixedly connected with a motor two, the upper side of the outer surface of the fixed plate is rotatably connected with a rotating shaft, the output end of the motor two and the right end of the rotating shaft are both fixedly connected with transmission wheels, the two transmission wheels are connected through a belt, the left end of the rotating shaft is fixedly connected with a fixing group, the left side of the fixing group is provided with a polishing group three, the right side of the polishing group three is provided with a polishing group one, and the lower end of the bottom plate is fixedly connected with the right side of the upper end of the connecting frame.

[0012] Preferably, the fixing group comprises a fixed disc, the left end of the fixed disc is provided with up and down symmetrical clamping holes, the inner cavities of the two clamping holes are commonly provided with a mounting groove two on the side close to each other, the inner cavity of the mounting groove two is rotatably connected with an adjusting part one in the middle part, the left side of the outer surface of the adjusting part one is meshedly connected with two connecting seats, the inner cavities of the two connecting seats are both rotatably connected with connecting rods on the upper side and the lower side, the sides close to each other of the outer surfaces of the two connecting rods are both provided with jacks on the side away from the adjusting part one, the sides close to each other of the outer surfaces of the two jacks are respectively penetrated through the two clamping holes, and the middle part of the right end of the fixed disc is fixedly connected with the left end of the rotating shaft.

[0013] Preferably, the polishing group three includes a connecting disc, the right end of the connecting disc is fixedly connected with upper and lower symmetric circular hole clamping plates, the outer surfaces of the two circular hole clamping plates are respectively and slidably connected with two clamping hole inner cavities, and the outer surfaces of the two top columns are respectively and slidably connected with two circular hole clamping plate inner cavities, the left end of the connecting disc is provided with upper and lower symmetric mounting holes one in the middle, the inner cavities of the two mounting holes one are respectively and sleeved with two bolts three, the outer surfaces of the two bolts three are jointly and meshedly connected with a sanding disc on the left side, the right end of the connecting disc is provided with upper and lower symmetric threaded holes two in the middle, the right end of the connecting disc is provided with a mounting groove three in the middle, the left end of the connecting disc and the left end of the sanding disc are both provided with limiting holes, the left end of the connecting disc and the left end of the sanding disc are both provided with limiting grooves, and the right end of the connecting disc is provided with two mounting grooves four on the upper and lower sides.

[0014] Preferably, the polishing group one includes a rectangular plate, the left end of the rectangular plate is provided with a sliding groove in the middle and the front part, the inner cavities of the two sliding grooves are fixedly connected with front and rear symmetric sliding rods, the inner cavities of the two sliding grooves are rotatably connected with adjusting components two in the middle, the outer surfaces of the two sliding rods and the outer surfaces of the adjusting components two on the same side are jointly provided with polishing groups two, the upper left side and the lower left side of the rectangular plate are fixedly connected with two sliding blocks, the upper and lower ends of the rectangular plate are fixedly connected with fixed blocks in the middle, the inner cavities of the two fixed blocks are sleeved with bolts two, the outer surfaces of the two bolts two are respectively and meshedly connected with threaded hole two inner cavities on the left side, the outer surfaces of the four sliding blocks are respectively and slidably connected with four mounting grooves four inner cavities on the left side, and the outer surface of the rectangular plate is slidably connected with the mounting groove three inner cavity on the left side.

[0015] Preferably, the two polishing groups two each include a connecting block, the left end of the connecting block is fixedly connected with upper and lower symmetric clamping blocks, the outer surfaces of the clamping blocks on the same side are jointly and slidably connected with sanding columns, the left ends of the two sanding columns are provided with mounting holes two, the two mounting holes two are front and rear symmetrically arranged, the inner cavities of the two mounting holes two are sleeved with bolts one, the outer surfaces of the two bolts one are respectively and meshedly connected with the two connecting blocks on the left side, the middle of the one end of the two connecting blocks away from each other is provided with a threaded hole one, and the one end of the two connecting blocks away from each other is provided with left and right symmetric sliding holes.

[0016] Preferably, the sliding holes on the same side are respectively and slidably connected with the outer surfaces of the two sliding rods, the outer surfaces of the two connecting blocks are respectively and slidably connected with the inner cavities of the two sliding grooves, the inner cavities of the two threaded holes one are respectively and meshedly connected with the outer surfaces of the two adjusting components two, and the left side of the outer surface of the sanding column on the rear side penetrates the inner cavities of the two limiting holes in sequence.

[0017] Compared with the prior art, the polishing device has the following beneficial effects:

[0018] 1. The electric telescopic rod one, the clamping group, the slide rail and the polishing mechanism are used, the electric telescopic rod two in the clamping group is started under the cooperation of the limiting frame, so that the recess clamping plate is clamped and fixed to the valve, and the electric telescopic rod three and the motor one are started, the valve is rotated under the cooperation of the tooth disc and the gear shaft, so that the device does not need to disassemble and reinstall the valve when polishing the end face circumference, saves time and improves work efficiency, in addition, the valve end face, end face circumference, outer circle and inner hole are polished through the cooperation of the polishing group three and the polishing group one, and the application range of the device is further increased.

[0019] 2. In the specific implementation process, the rotation of the adjusting part one is adjusted, the connecting seat, the connecting rod, the clamping hole and the round hole clamping plate are used in cooperation, so that the jacks complete the installation or disassembly of the round hole clamping plate, the polishing group three or the polishing group one is convenient to replace or maintain, and the polishing group one can also be installed or disassembled according to the polishing requirement, so that the device is more flexible in use. DRAWINGS

[0020] Figure 1 It is a schematic view of the overall structure of the application;

[0021] Figure 2 It is a schematic view of the clamping mechanism of the application;

[0022] Figure 3 It is another view of the clamping mechanism of the application;

[0023] Figure 4 It is a schematic view of the clamping group of the application;

[0024] Figure 5 It is a schematic view of the polishing mechanism of the application;

[0025] Figure 6 It is another view of the polishing mechanism of the application;

[0026] Figure 7 It is a schematic view of the fixing group of the application;

[0027] Figure 8 It is a schematic view of the polishing group three of the application;

[0028] Figure 9 It is a schematic view of the polishing group one of the application;

[0029] Figure 10 It is a schematic view of the polishing group two of the application.

[0030] In the diagram: 1. Housing; 2. U-shaped frame; 3. Transport component; 4. Clamping mechanism; 41. Connecting frame; 42. Electric telescopic rod one; 43. Clamping assembly; 431. Convex plate; 432. Mounting slot one; 433. Motor one; 434. Gear disc; 435. Gear shaft; 436. Groove clamping plate; 437. Electric telescopic rod two; 438. Limiting frame; 439. Electric telescopic rod three; 4391. Sliding groove; 4392. L-shaped bracket; 44. Slide rail; 5. Grinding mechanism; 51. Base plate; 52. Fixing plate; 53. Motor two; 54. Grinding assembly one; 541. Rectangular plate; 542. Grinding assembly two; 5421. Connecting block; 5422. Sliding hole; 5423. Threaded hole one; 5424. Locking block; 5425 5426. Bolt 1; 5427. Mounting Hole 2; 5428. Frosted Column; 543. Fixing Block; 544. Slide Groove; 545. Adjusting Component 2; 546. Slide Rod; 547. Sliding Block; 548. Bolt 2; 55. Grinding Assembly 3; 551. Connecting Plate; 552. Round Hole Clamping Plate; 553. Threaded Hole 2; 554. Mounting Groove 3; 555. Mounting Groove 4; 556. Limiting Groove; 557. Frosted Disc; 558. Mounting Hole 1; 559. Bolt 3; 5591. Limiting Hole; 56. Fixing Assembly; 561. Fixing Plate; 562. Top Column; 563. Connecting Rod; 564. Mounting Groove 2; 565. Connecting Seat; 566. Adjusting Component 1; 567. Clamping Hole; 57. Rotating Shaft; 58. Transmission Wheel; 6. Observation Window. Detailed Implementation

[0031] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below in conjunction with specific embodiments.

[0032] Example 1, as Figure 1 As shown, a valve end face circumferential grinding device includes a housing 1. A clamping mechanism 4 is fixedly connected to the middle of the inner cavity of the housing 1. A grinding mechanism 5 is provided on the right side of the clamping mechanism 4. U-shaped frames 2 are fixedly connected to the middle of both the left and right ends of the housing 1. A transport component 3 is provided in the inner cavity of the two U-shaped frames 2. The outer surface of the transport component 3 passes through the middle of the left end and the middle of the right end of the housing 1 in sequence. The transport component 3 is located directly below the clamping mechanism 4 and the grinding mechanism 5. A symmetrical observation window 6 is provided on the upper side of the front end of the housing 1.

[0033] It should be noted that the transport component 3 consists of a drive motor, a conveyor belt, two rollers, a pulley, and a belt. When the drive motor is started, the two rollers rotate simultaneously with the pulley and belt, which in turn drives the conveyor belt to rotate. The specific installation method of the drive motor, the circuit connection method, and the control method are all conventional designs and are standard design methods used by designers.

[0034] First, open the observation window 6 to fix the valve on the clamping mechanism 4, and determine the valve end face diameter, adjust the polishing mechanism 5 according to the valve end face diameter, after adjustment, close the observation window 6, start the clamping mechanism 4 and the polishing mechanism 5, and the polishing mechanism 5 polishes the valve end face circumference, the grinding generated in the polishing process falls into the conveying part 3, and the grinding is discharged outside through the conveying part 3, and the worker can observe the polishing of the valve through the observation window 6 in real time.

[0035] In order to realize the clamping of the valve and driving the valve to rotate, as shown in Figure 2 and Figure 3 , the clamping mechanism 4 comprises a connecting frame 41, the front and middle parts of the upper end of the connecting frame 41 are fixedly connected with slide rails 44, the outer surfaces of the two slide rails 44 are slidably connected with a clamping group 43, the left lower part of the clamping group 43 is fixedly connected with an electric telescopic rod 42, the lower end of the electric telescopic rod 42 is fixedly connected with the left side of the upper end of the connecting frame 41, and the front and rear ends of the connecting frame 41 are fixedly connected with the front and rear walls of the inner cavity of the shell 1.

[0036] It should be noted that the specific installation method of the electric telescopic rod 42 in the application and the connection mode and control method of the circuit are all conventional designs, which are the conventional design means of the designer.

[0037] First, the valve can be clamped and fixed by the clamping group 43, and the valve end face diameter is determined, the polishing mechanism 5 is adjusted according to the valve end face diameter, after adjustment, the electric telescopic rod 42 is started, the electric telescopic rod 42 drives the clamping group 43 to slide right on the outer surfaces of the two slide rails 44, so that the fixed valve moves to the appropriate position on the left side of the polishing mechanism 5, the valve end face circumference is polished by the polishing mechanism 5, after polishing, the electric telescopic rod 42 is started, the electric telescopic rod 42 drives the clamping group 43 to move left on the outer surfaces of the slide rails 44 to restore the initial position, then the clamping group 43 drives the valve to rotate, so that the unpolished end face circumference of the valve rotates to one side of the polishing mechanism 5, the electric telescopic rod 42 drives the clamping group 43 to move right, so that the unpolished end face circumference of the valve moves to the appropriate position of the polishing mechanism 5, the polishing mechanism 5 is started again to polish, so that the valve is clamped and driven to rotate.

[0038] Further description is as follows Figure 4As shown, the clamping group 43 comprises a convex plate 431, the lower end of the convex plate 431 is provided with symmetrically front and back sliding grooves 4391, the vertical direction upper end of the convex plate 431 is provided with a mounting groove one 432, the rear side of the inner cavity of the mounting groove one 432 is fixedly connected with a motor one 433, the output end of the motor one 433 is fixedly connected with a toothed disc 434, the outer surface of the toothed disc 434 is meshingly connected with a gear rotating shaft 435, the outer surface of the gear rotating shaft 435 is rotatably connected with the front side of the inner cavity of the mounting groove one 432, the horizontal direction upper end rear side of the convex plate 431 is fixedly connected with an L-shaped support 4392, the rear end middle part of the L-shaped support 4392 is fixedly connected with an electric telescopic rod three 439, the output end of the electric telescopic rod three 439 penetrates through the rear end of the L-shaped support 4392 and is fixedly connected with a limiting frame 438, the outer surface upper side and lower side of the limiting frame 438 are slidably connected with the L-shaped support 4392 and the convex plate 431 respectively, the front side of the upper end of the L-shaped support 4392 is fixedly connected with an electric telescopic rod two 437, the output end of the electric telescopic rod two 437 and the upper end of the gear rotating shaft 435 are both provided with recessed groove clamping plates 436, the lower end of the convex plate 431 is fixedly connected with the upper end right side of the connecting frame 41, the inner cavities of the two sliding grooves 4391 are slidably connected with the outer surfaces of the two sliding rails 44 respectively, and the lower side of the middle part of the left end of the convex plate 431 is fixedly connected with the output end of the electric telescopic rod one 42.

[0039] It should be noted that the specific mounting method of the motor one 433, the electric telescopic rod two 437 and the electric telescopic rod three 439, the connection mode of the circuit and the control method all belong to the conventional design, which is the conventional design means of the designer, and the output end of the electric telescopic rod two 437 is rotatably connected with the upper end middle part of the recessed groove clamping plate 436 located on the upper side, and the recessed groove clamping plates 436 symmetrically arranged up and down can clamp ordinary valves or right-angle three-phase valves.

[0040] In detail, first, the valve needing to polish the end face circumference is placed in the inner cavity of the groove clamp 436 on the lower side, the electric telescopic rod 2 437 is started to drive the groove clamp 436 on the upper side to move downward to the appropriate position, the clamping and fixing of the valve are completed, then the electric telescopic rod 1 42 is started, the electric telescopic rod 1 42 drives the convex plate 431 to move to the right side on the outer surface of the sliding rail 44 to the appropriate position under the cooperation of the sliding groove 4391, and the valve end face circumference is polished by the polishing mechanism 5. When the unpolished end face circumference needs to be polished, the electric telescopic rod 1 42 drives the convex plate 431 to move to the left side to restore the initial position. At this time, the motor 1 433 is started to drive the toothed disc 434 to rotate, the toothed disc 434 drives the gear rotating shaft 435 to rotate, the groove clamp 436 drives the valve to rotate together through the rotation of the gear rotating shaft 435, the unpolished end face circumference of the valve is rotated to the right side, the electric telescopic rod 3 439 is started to push the limiting frame 438 to be clamped at the rear end of the two groove clamps 436, so that it cannot rotate. At this time, the electric telescopic rod 1 42 is started again to push the convex plate 431 to move to the right side to the appropriate position, and the unpolished end face circumference of the valve is polished by the polishing mechanism 5. The stability of the valve in the polishing process is increased through the support of the limiting frame 438 to the groove clamp 436, and the valve does not need to be dismounted and reinstalled when the unpolished end face circumference needs to be polished, time is saved, and the work efficiency is improved.

[0041] In embodiment two, on the basis of embodiment one, the valve end face, end face circumference, outer circle and inner hole are polished, as shown in Figure 5 and Figure 6 The polishing mechanism 5 comprises a bottom plate 51, a fixed plate 52 is fixedly connected to the upper end of the middle of the bottom plate 51, a motor 2 53 is fixedly connected to the outer surface of the lower side of the fixed plate 52, a rotating shaft 57 is rotatably connected to the outer surface of the upper side of the fixed plate 52, a transmission wheel 58 is fixedly connected to the output end of the motor 2 53 and the right end of the rotating shaft 57, the two transmission wheels 58 are connected through a belt, a fixed group 56 is fixedly connected to the left end of the rotating shaft 57, a polishing group 3 55 is arranged on the left side of the fixed group 56, a polishing group 1 54 is arranged on the right side of the polishing group 3 55, and the bottom plate 51 is fixedly connected to the upper end of the right side of the connecting frame 41.

[0042] It should be noted that the specific installation method of the motor 2 53, the connection mode of the circuit and the control method all belong to the conventional design, which is the conventional design means of the designer. In addition, rotating grooves are formed in the upper sides of the left and right ends of the fixed plate 52 to install the rotating shaft 57 without affecting the rotation of the rotating shaft 57 itself, and through holes are formed in the lower sides of the left and right ends of the fixed plate 52 to install the motor 2 53.

[0043] First, when the clamping group 43 clamps the valve and moves to the right to the left of the polishing mechanism 5, the motor 53 rotates the rotating shaft 57 through the transmission wheel 58 and the belt, drives the fixed group 56 to rotate through the rotating shaft 57, drives the polishing group three 55 and the polishing group one 54 to rotate through the rotation of the fixed group 56, and the polishing group one 54 polishes the valve end face circumference. In addition, the valve end face can be polished through the rotation of the polishing group three 55. When the valve outer circle or inner hole needs to be polished, the polishing group one 54 can be adjusted according to the diameter, and the valve outer circle or inner hole can be polished through the rotation of the polishing group one 54. Finally, the valve end face, end face circumference, outer circle and inner hole are polished, and the application range of the device is wider.

[0044] Further, as shown in Figure 7 The fixed group 56 includes a fixed disc 561, the left end of the fixed disc 561 is provided with upper and lower symmetrical clamping holes 567, the inner cavities of the two clamping holes 567 are provided with an installation slot two 564 on the side close to each other, the inner cavity of the installation slot two 564 is rotatably connected with an adjusting component one 566 in the middle, the outer surface of the adjusting component one 566 is rotatably connected with two connecting seats 565 on the left side, the inner cavities of the two connecting seats 565 are rotatably connected with connecting rods 563 on the upper side and the lower side, the same side of the two connecting rods 563 is provided with a top post 562 away from the adjusting component one 566, the outer surfaces of the two top posts 562 are respectively penetrated into the two clamping holes 567 on the side close to each other, and the right end of the fixed disc 561 is fixedly connected with the left end of the rotating shaft 57.

[0045] In detail, the adjusting component one 566 is composed of a counterbore round rod and a two-way threaded rod. In the initial state, the upper and lower symmetrical top posts 562 are respectively clamped in the inner cavities of the same side clamping holes 567 to fix and install the polishing group three 55. When the polishing group three 55 and the polishing group one 54 need to be replaced, a special hexagonal wrench is used to drive the adjusting component one 566 to rotate, the two connecting seats 565 are driven to move away from each other on the outer surface of the adjusting component one 566, the two connecting rods 563 are driven to rotate through the movement of the two connecting seats 565, and the top posts 562 on the upper and lower sides are driven to move close to each other, so that the top posts 562 are separated from the inner cavities of the clamping holes 567. At this time, the polishing group three 55 can be pulled out of the inner cavities of the two clamping holes 567, and the polishing group three 55 or the polishing group one 54 can be replaced, repaired and other operations, so that the device is more flexible in use.

[0046] Further, as shown in Figure 8As shown, the polishing group three 55 includes a connecting disc 551, the right end of the connecting disc 551 is fixedly connected with upper and lower symmetrical round hole clamping plates 552, the outer surfaces of the two round hole clamping plates 552 are respectively and slidably connected with the inner cavities of two clamping holes 567, and the outer surfaces of the two jacks 562, which are away from each other, respectively penetrate the inner cavities of the two round hole clamping plates 552, the middle part of the left end of the connecting disc 551 is provided with upper and lower symmetrical mounting holes one 558, the inner cavities of the two mounting holes one 558 are respectively and sleevedly provided with two bolts three 559, the outer surfaces of the two bolts three 559 are jointly and meshingly connected with a sanding disc 557 on the left side, the middle part of the right end of the connecting disc 551 is provided with upper and lower symmetrical threaded holes two 553, the middle part of the right end of the connecting disc 551 is provided with a mounting groove three 554, the middle part of the left end of the connecting disc 551 and the left end of the sanding disc 557 are both provided with limiting holes 5591, and the front sides of the left end of the connecting disc 551 and the left end of the sanding disc 557 are both provided with limiting grooves 556, and the middle part of the right end of the connecting disc 551 is provided with two mounting grooves four 555.

[0047] In detail, the polishing group one 54 is installed through the mounting groove three 554, the mounting groove four 555 and the threaded hole two 553, so that the connecting disc 551 can be assembled or disassembled with the polishing group one 54, the outer surface of the sanding disc 557 is clamped in the inner cavities of the two mounting holes one 558 and is fixed through the bolts three 559, the two round hole clamping plates 552 are respectively clamped in the inner cavities of the clamping holes 567, and the jacks 562 penetrate the clamping holes 567 and the round hole clamping plates 552, so that the fixing group 56 can fix the polishing group three 55, when only the valve end face needs to be polished, the polishing group one 54 can be removed, the connecting disc 551 is driven to rotate through the fixing group 56, the sanding disc 557 is driven to rotate through the rotation of the connecting disc 551, so that the sanding disc 557 polishes the valve end face, when the valve end face circumference, outer circle or inner hole needs to be polished, the polishing group one 54 can be installed, the polishing group one 54 is adjusted at the same time, and the connecting disc 551 is driven to rotate through the fixing group 56 under the cooperation of the limiting holes 5591 and the limiting grooves 556, the polishing group one 54 is driven to rotate through the rotation of the connecting disc 551, so that the polishing group one 54 polishes the valve end face circumference, outer circle or inner hole, so that the device has multiple polishing modes and increases the application range of the device.

[0048] Further description is as follows Figure 9As shown, the polishing group one 54 includes a rectangular plate 541, the middle and front of the left end of the rectangular plate 541 are provided with a sliding groove 544, the inner cavity of the two sliding grooves 544 is fixedly connected with the front and back symmetric sliding rod 546, the inner cavity of the middle of the two sliding grooves 544 is rotatably connected with the adjusting component two 545, the outer surfaces of the two sliding rods 546 and the adjusting component two 545 are provided with the polishing group two 542, the upper left side and the lower left side of the rectangular plate 541 are fixedly connected with two sliding blocks 547, the upper and lower ends of the rectangular plate 541 are fixedly connected with two fixed blocks 543, the inner cavities of the two fixed blocks 543 are sleeved with two bolts two 548, the outer surfaces of the two bolts two 548 are respectively connected with the inner cavities of the threaded holes two 553, the outer surfaces of the four sliding blocks 547 are respectively connected with the inner cavities of the four mounting grooves four 555, and the outer surface of the rectangular plate 541 is connected with the inner cavity of the mounting groove three 554.

[0049] In detail, it should be noted that the two adjusting component two 545 are composed of a counterbore round rod and a threaded rod, so that the rectangular plate 541 and the four sliding blocks 547 are respectively clamped in the inner cavities of the mounting groove three 554 and the four mounting grooves four 555, and the installation is completed by the threaded holes two 553 in the inner cavities of the threaded holes two 553 and the threaded holes two 553 in the inner cavities of the threaded holes two 553. The outer surface of the polishing group two 542 located on the rear side penetrates the inner cavity of the limiting hole 5591, when the valve end face circumference, the outer circle or the inner hole needs to be polished, according to the diameter size, the two adjusting component two 545 are adjusted according to the needs by a special hexagon wrench, so that the polishing group two 542 located in the limiting hole 5591 is moved forward to the appropriate position in the inner cavity of the sliding groove 544 and the outer surface of the sliding rod 546 on the same side, or the polishing group two 542 located on the front side is moved to the appropriate position in the limiting groove 556 and the outer surface of the sliding groove 544 and the sliding rod 546 on the same side, and the polishing group two 542 is completed by the two polishing groups two 542. The valve end face circumference, the outer circle or the inner hole polishing operation.

[0050] Further explanation, such as Figure 10As shown, the two polishing groups two 542 each include a connecting block 5421, the left end of the two connecting blocks 5421 is fixedly connected with symmetrically-up-and-down clamping blocks 5424, the outer surfaces of the two clamping blocks 5424 on the same side are jointly and slidably connected with grinding columns 5427, the left ends of the two grinding columns 5427 are each provided with a mounting hole two 5426, and the two mounting hole two 5426 are symmetrically arranged front and back, the inner cavities of the two mounting hole two 5426 are each sleeved with a bolt one 5425, the outer surfaces of the two bolt one 5425 on the left side are respectively engaged with the two connecting blocks 5421, the middle parts of the ends of the two connecting blocks 5421 away from each other are each provided with a threaded hole one 5423, the ends of the two connecting blocks 5421 away from each other are each provided with symmetrically-left-and-right sliding holes 5422, the sliding holes 5422 on the same side are respectively slidably connected with the outer surfaces of the two sliding rods 546, the outer surfaces of the two connecting blocks 5421 are respectively slidably connected with the inner cavities of the two sliding grooves 544, the inner cavities of the two threaded hole one 5423 are respectively engaged with the outer surfaces of the two adjusting components two 545, and the outer surfaces of the grinding columns 5427 on the left side of the rear side are sequentially and respectively penetrated into the inner cavities of the two limiting holes 5591.

[0051] In detail, the bolt one 5425 is penetrated into the mounting hole two 5426 and engaged with the connecting block 5421 at the same time, and the grinding column 5427 is fixed on the connecting block 5421 under the cooperation of the two clamping blocks 5424, when it is needed to polish the valve end face circumference, outer circle or inner hole, according to the diameter size, the two adjusting components two 545 are adjusted according to the needs by a special hexagonal wrench, the adjusting component two 545 is rotated, and the connecting block 5421 is slid forward and backward in the inner cavity of the sliding groove 544 and the outer surface of the sliding rod 546 to the appropriate position under the cooperation of the threaded hole one 5423 and the sliding hole 5422, the left end grinding surface of the two mounting hole two 5426 is used to polish the valve end face circumference, the grinding side of the grinding column 5427 in the inner cavity of the limiting hole 5591 is used to polish the valve inner hole, and the grinding side of the grinding column 5427 on the front side is used to polish the valve outer circle, in addition, the depth size of the valve inner hole or the valve outer circle polishing can be realized by changing the moving distance of the clamping group 43 on the outer surface of the sliding rail 44 driven by the electric telescopic rod one 42, and the purpose of polishing the valve end face, end face circumference, outer circle and inner hole is achieved, so that the device has multiple polishing modes and the application range of the device is increased.

[0052] The basic principles and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principles of the present application, and various changes and improvements can be made to the present application without departing from the spirit and scope of the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A device for circumferential grinding of valve end faces, comprising a housing (1), characterized in that: A clamping mechanism (4) is fixedly connected to the middle of the inner cavity of the housing (1). A grinding mechanism (5) is provided on the right side of the clamping mechanism (4). A U-shaped frame (2) is fixedly connected to the middle of both the left and right ends of the housing (1). A transport component (3) is provided in the inner cavity of the two U-shaped frames (2). The outer surface of the transport component (3) passes through the middle of the left end and the middle of the right end of the housing (1) in sequence. The transport component (3) is located directly below the clamping mechanism (4) and the grinding mechanism (5). A symmetrical observation window (6) is provided on the upper side of the front end of the housing (1). The grinding mechanism (5) includes a base plate (51), a fixed plate (52) is fixedly connected to the middle of the upper end of the base plate (51), a motor (53) is fixedly connected to the lower side of the outer surface of the fixed plate (52), a rotating shaft (57) is rotatably connected to the upper side of the outer surface of the fixed plate (52), a transmission wheel (58) is fixedly connected to the output end of the motor (53) and the right end of the rotating shaft (57), the two transmission wheels (58) are connected by a belt, a fixed assembly (56) is fixedly connected to the left end of the rotating shaft (57), a grinding assembly (55) is provided on the left side of the fixed assembly (56), and a grinding assembly (54) is provided on the right side of the grinding assembly (55). The fixing assembly (56) includes a fixing plate (561). The left end of the fixing plate (561) is provided with symmetrical locking holes (567). The inner cavities of the two locking holes (567) are provided with a common mounting groove (564) on the side that is close to each other. The middle of the inner cavity of the mounting groove (564) is rotatably connected to an adjusting component (566). The left side of the outer surface of the adjusting component (566) is engaged with two connecting seats (565). The upper and lower sides of the inner cavities of the two connecting seats (565) are rotatably connected to connecting rods (563). The two connecting rods (563) on the same side away from the adjusting component (566) are provided with a top post (562). The outer surfaces of the two top posts (562) are close to each other and pass through the two locking holes (567). The middle of the right end of the fixing plate (561) is fixedly connected to the left end of the rotating shaft (57). The grinding assembly three (55) includes a connecting plate (551). A symmetrically arranged circular hole clamping plate (552) is fixedly connected to the right end of the connecting plate (551). The outer surfaces of the two circular hole clamping plates (552) are slidably connected to the inner cavities of two clamping holes (567), and the outer surfaces of the two top posts (562) that are far apart from each other penetrate the inner cavities of the two circular hole clamping plates (552). A symmetrically arranged mounting hole one (558) is provided in the middle of the left end of the connecting plate (551). Two bolts three (559) are fitted and connected to the inner cavities of each of the two mounting holes one (558). The outer surface of the three (559) is connected to a grinding disc (557) on the left side. The middle of the right end of the connecting disc (551) is provided with two symmetrical threaded holes (553). The middle of the right end of the connecting disc (551) is provided with a mounting groove (554). The middle of the left end of the connecting disc (551) and the middle of the left end of the grinding disc (557) are both provided with a limiting hole (5591). The front side of the left end of the connecting disc (551) and the front side of the left end of the grinding disc (557) are both provided with a limiting groove (556). The middle of the right end of the connecting disc (551) is provided with two mounting grooves (555) on the upper and lower sides. The first polishing assembly (54) includes a rectangular plate (541). The rectangular plate (541) has grooves (544) at its left middle and left front ends. Two symmetrical sliding rods (546) are fixedly connected to the inner cavities of the two grooves (544). An adjusting component (545) is rotatably connected to the middle of the inner cavities of the two grooves (544). The outer surfaces of the two sliding rods (546) and the outer surfaces of the adjusting component (545) on the same side are jointly provided with the second polishing assembly (542). The left side of the upper end and the left side of the lower end of the rectangular plate (541) are both... Two sliders (547) are fixedly connected. Fixed blocks (543) are fixedly connected to the middle of the upper and lower ends of the rectangular plate (541). Bolts (548) are sleeved and connected to the inner cavity of the two fixed blocks (543). The left side of the outer surface of the two bolts (548) respectively engages with the inner cavity of the threaded hole (553). The left side of the outer surface of the four sliders (547) is slidably connected to the inner cavity of the four mounting grooves (555). The left side of the outer surface of the rectangular plate (541) is slidably connected to the inner cavity of the mounting groove (554). Both of the two grinding groups (542) include a connecting block (5421). The left ends of the two connecting blocks (5421) are fixedly connected with symmetrical locking blocks (5424). The outer surfaces of the two locking blocks (5424) on the same side are slidably connected with a grinding column (5427). The left ends of the two grinding columns (5427) are provided with mounting holes (5426), and the two mounting holes (5426) are symmetrically arranged front and back. The inner cavities of the two mounting holes (5426) are fitted with bolts (5425). The left side of the outer surface of the two bolts (5425) respectively engages with the two connecting blocks (5421). The middle of the two connecting blocks (5421) at the ends that are far apart from each other is provided with threaded holes (5423). The two connecting blocks (5421) at the ends that are far apart from each other are provided with symmetrical sliding holes (5422).

2. The valve end face circumferential grinding device according to claim 1, characterized in that: The clamping mechanism (4) includes a connecting frame (41). The upper front and middle parts of the connecting frame (41) are fixedly connected to slide rails (44). The outer surfaces of the two slide rails (44) are slidably connected to a clamping group (43). The lower left side of the clamping group (43) is fixedly connected to an electric telescopic rod (42). The lower end of the electric telescopic rod (42) is fixedly connected to the upper left side of the connecting frame (41). The front and rear ends of the connecting frame (41) are fixedly connected to the front and rear walls of the inner cavity of the housing (1), respectively.

3. The valve end face circumferential grinding device according to claim 2, characterized in that: The clamping assembly (43) includes a convex plate (431). The lower end of the convex plate (431) has symmetrical sliding grooves (4391). The upper vertical end of the convex plate (431) has a mounting groove (432). A motor (433) is fixedly connected to the rear side of the inner cavity of the mounting groove (432). A gear disk (434) is fixedly connected to the output end of the motor (433). A gear shaft (435) meshes with the outer surface of the gear disk (434). The outer surface of the gear shaft (435) is rotatably connected to the front side of the inner cavity of the mounting groove (432). The upper horizontal end of the convex plate (431) has a mounting groove (4391) with a symmetrical sliding groove (4391). An L-shaped bracket (4392) is fixedly connected. An electric telescopic rod three (439) is fixedly connected to the middle of the rear end of the L-shaped bracket (4392). The output end of the electric telescopic rod three (439) passes through the rear end of the L-shaped bracket (4392) and is fixedly connected to a limit frame (438). The upper and lower sides of the outer surface of the limit frame (438) are slidably connected to the L-shaped bracket (4392) and the convex plate (431) respectively. An electric telescopic rod two (437) is fixedly connected to the front side of the upper end of the L-shaped bracket (4392). The output end of the electric telescopic rod two (437) and the upper end of the gear shaft (435) are both provided with grooved clamps (436).

4. The valve end face circumferential grinding device according to claim 3, characterized in that: The lower end of the convex plate (431) is fixedly connected to the upper right side of the connecting frame (41), the inner cavities of the two sliding grooves (4391) are respectively slidably connected to the outer surfaces of the two slide rails (44), and the lower side of the middle left end of the convex plate (431) is fixedly connected to the output end of the electric telescopic rod (42).

5. The valve end face circumferential grinding device according to claim 2, characterized in that: The lower end of the base plate (51) is fixedly connected to the upper right side of the connecting frame (41).

6. The valve end face circumferential grinding device according to claim 1, characterized in that: The two sliding holes (5422) on the same side are slidably connected to the outer surfaces of the two sliding rods (546), the outer surfaces of the two connecting blocks (5421) are slidably connected to the inner cavities of the two sliding grooves (544), the inner cavities of the two threaded holes (5423) are meshed with the outer surfaces of the two adjusting components (545), and the inner cavities of the two limiting holes (5591) are sequentially penetrated on the left side of the outer surface of the frosted column (5427) on the rear side.

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