CN213164248U

CN213164248U - Valve seat groove machining device

Info

Publication number: CN213164248U
Application number: CN202022145250.8U
Authority: CN
Inventors: 单海峰
Original assignee: Shaoxing Shangyu Huayuan General Machinery Co ltd
Current assignee: Shaoxing Shangyu Huayuan General Machinery Co ltd
Priority date: 2020-09-26
Filing date: 2020-09-26
Publication date: 2021-05-11
Anticipated expiration: 2030-09-26

Abstract

The utility model relates to a disk seat slot processingequipment relates to the technical field of equipment that mills, and it includes the workstation, install the mount table on the workstation, install the locating piece on the mount table, the mounting hole has been seted up on the locating piece, it is connected with two tight poles, two to slide in the mounting hole the equal fixedly connected with of tip of tight pole supports tight piece, install drive assembly on the locating piece, drive assembly is used for driving two tight poles of supporting and takes place the displacement in opposite directions. This application is through drive assembly's setting for the staff can carry out accurate location to the position of disk seat on the mount table, and the probability that takes place offset when further reducing the disk seat and installing on the mount table, and then improves the precision to disk seat slot processing.

Description

Valve seat groove machining device

Technical Field

The application relates to the technical field of milling equipment, in particular to a valve seat groove machining device.

Background

The valve seat is a detachable surface component in the valve, is used for supporting the valve core at the fully closed position and forms a sealing pair. The diameter of a common valve seat is the maximum circulation diameter of the valve, for example, the valve seat of a butterfly valve is made of very wide materials, various rubbers, plastics and metal materials can be used as the material of the valve seat, and the valve seat is finished by turning and milling.

The clamping device for the valve seat groove in the related art is shown in fig. 1 and comprises a workbench 100, wherein two oppositely arranged air cylinders 110 are mounted on the workbench 100, arc-shaped plates 120 are fixedly connected to piston rods of the two air cylinders 110, and a mounting table 130 is fixedly connected to the workbench 100 between the two arc-shaped plates 120. When the machining operation of the valve seat groove is performed, the worker installs the valve seat on the mounting table 130, then starts the two cylinders 110, and the piston rods of the two cylinders 110 respectively push the two arc-shaped plates 120 to tightly abut against the valve seat, so that the clamping operation of the valve seat is realized.

In view of the above-mentioned related art, the inventor believes that, when the device clamps the valve seat groove, since the valve seat is only placed on the mounting table, when clamping a plurality of valve seats, the mounting positions of different valve seats on the mounting table may relatively deviate, further the clamping position between the pressing plate and the valve seat may relatively deviate, further the clamping effect of the pressing plate on the valve seat is affected, and further the precision of the valve seat groove machining is affected.

SUMMERY OF THE UTILITY MODEL

In order to improve the position of different disk seats at the mount table probably takes place relative deviation and then influence the problem of disk seat slot machining precision during processing, this application provides a disk seat slot processingequipment.

The application provides a disk seat slot processingequipment adopts following technical scheme:

the utility model provides a disk seat slot processingequipment, includes the workstation, install the mount table on the workstation, install the locating piece on the mount table, the mounting hole has been seted up on the locating piece, slide in the mounting hole and be connected with two and support tight poles, two the equal fixedly connected with of tip of supporting tight pole supports tight piece, install drive assembly on the locating piece, drive assembly is used for driving two and supports tight poles and take place the displacement in opposite directions.

Through adopting above-mentioned technical scheme, when the location centre gripping during operation of disk seat is carried out to needs, at first the staff establishes the locating piece on the mount table with the disk seat cover, then adjust drive assembly, drive assembly further drives two and supports tight pole and take place the displacement in opposite directions, two are supported tight pole and take place to slide in opposite directions in the mounting hole, the tight piece that supports of two support tight pole tip further supports tightly on the inner wall of disk seat, further realize the accurate location to the disk seat position, the probability that takes place the offset when further reducing the disk seat and installing on the mount table, and then improve the precision to disk seat slot processing.

Optionally, the driving assembly comprises a rotating shaft, a first bevel gear, a second bevel gear, a third bevel gear, a first threaded rod and a second threaded rod, the rotating shaft is rotatably connected to the positioning block, one end of the rotating shaft extends into the mounting hole and is connected with the first bevel gear, the first threaded rod and the second threaded rod are rotatably connected to the mounting hole, the second bevel gear is fixedly connected to the first threaded rod and is meshed with the first bevel gear, the third bevel gear is fixedly connected to the second threaded rod and is meshed with the first bevel gear, and the two tightening rod is fixedly connected with a sliding block and is provided with a threaded hole, and the first threaded rod and the second threaded rod are respectively in threaded connection with the sliding block.

Through adopting above-mentioned technical scheme, when the location centre gripping work of disk seat needs to be carried out, the staff establishes the locating piece with the disk seat cover earlier on, then rotatory axis of rotation, the axis of rotation drives first bevel gear and takes place to rotate, first bevel gear further drives rather than engaged with second bevel gear and third bevel gear takes place to rotate, second bevel gear further drives first threaded rod and takes place to rotate, third bevel gear further drives the second threaded rod and takes place to rotate, first threaded rod further drives the sliding block and takes place the displacement in the sliding hole, the second threaded rod further drives the sliding block and takes place the displacement in the sliding hole, two sliding blocks further drive two and support the pole and take place the opposite directions motion, and then make two support the inner wall of tight disk seat of piece, realize the location centre gripping work to the disk seat.

Optionally, the workbench is provided with a rectangular block, two ends of the rectangular block are fixedly connected with protruding blocks, the bottom end of the mounting table is provided with a first sliding groove for the rectangular block to move, the bottom end of the mounting table is provided with two second sliding grooves for the protruding blocks to move, and the two second sliding grooves are communicated with the first sliding groove.

By adopting the technical scheme, the rectangular block is matched with the first sliding groove on the mounting table, so that a worker can adjust the height of the mounting table; meanwhile, the friction force between the mounting table and the rectangular block is further increased by the matching of the convex block and the second sliding groove, and the stability of mounting between the mounting table and the rectangular block is further improved.

Optionally, a locking piece for locking the height position of the mounting table is arranged between the rectangular block and the mounting table, the locking piece is a fastening bolt, and the fastening bolt is in threaded connection with the mounting table and extends into the second sliding groove.

By adopting the technical scheme, when the position of the mounting table on the rectangular block needs to be locked, the abutting bolt is screwed down, the abutting bolt extends into the second sliding groove and abuts against the convex block, so that the positive pressure between the abutting bolt and the convex block is increased, the maximum static friction force which needs to be overcome when the mounting table slides is increased, and the locking of the height position of the mounting table is realized.

Optionally, be provided with on the workstation and be used for the drive pivoted rotating assembly takes place for the rectangular block, rotating assembly includes carousel, first axis of rotation, worm wheel, worm and handle, the mounting groove has been seted up on the workstation, the carousel rotates to be connected in the mounting groove, the installation cavity has been seted up on the workstation, first axis of rotation rotates to be connected on the workstation, first axis of rotation one end stretches into in the mounting groove and with carousel fixed connection, the first axis of rotation other end stretches into in the installation cavity and with worm wheel fixed connection, the worm rotates to be connected on the workstation, the one end of worm stretches into in the installation cavity and with the worm wheel meshes mutually, the other end of worm stretches out the workstation and with handle fixed connection.

Through adopting above-mentioned technical scheme, when the circumference angle of disk seat was adjusted to needs, the twist grip, the handle drives the worm and takes place to rotate, and the worm further drives the worm wheel and takes place to rotate, and the worm wheel further drives first axis of rotation and takes place to rotate, and first axis of rotation further drives the carousel and takes place to rotate, and the carousel further drives the rectangular block and takes place the regulation of circumference angle, and the rectangular block further drives the mount table and takes place to rotate, and then realizes the regulation to disk seat circumference angle on the mount table.

Optionally, cylinders are fixedly connected to the workbench on two sides of the mounting table, and arc-shaped plates are mounted at piston rods of the cylinders.

Through adopting above-mentioned technical scheme, after accomplishing the location work of disk seat on the mount table, start the cylinder, the piston rod of two cylinders promotes two arcs respectively and takes place the displacement, and two arcs further support tightly on the periphery wall of disk seat, realize the location centre gripping work to the disk seat.

Optionally, a piston rod of each cylinder is fixedly connected with an installation block, a dovetail groove is formed in the top surface of the installation block, a connecting block is fixedly connected to the side wall of one side of the arc plate, and the connecting block is connected in the dovetail groove in a sliding manner.

Through adopting above-mentioned technical scheme, the cooperation of dovetail on connecting block and the installation piece on the arc for the staff can come to change the work to the arc plate according to the size of disk seat, further makes not unidimensional disk seat all can be in the tight state of supporting of preferred, and then strengthens the effect to the fixed centre gripping of disk seat.

Optionally, the connecting block is in threaded connection with a locking bolt along the vertical direction, a first threaded hole is formed in the inner wall of the dovetail groove, and the locking bolt penetrates through the connecting block and is in threaded connection with the dovetail groove.

Through adopting above-mentioned technical scheme, locking bolt's setting for can fix the position of connecting block in the dovetail, further improve the stability of disk seat when fixing the centre gripping.

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

1. through the arrangement of the driving assembly, a worker can accurately position the position of the valve seat on the mounting table, the probability of position deviation when the valve seat is mounted on the mounting table is further reduced, and the machining precision of the valve seat groove is further improved;

2. through the arrangement of the rectangular block, the convex block, the first sliding groove, the second sliding groove and the abutting bolt, a worker can adjust the height of the mounting table, so that the valve seat on the mounting table and the arc-shaped block are in a better abutting height;

3. through the setting of rotating assembly for the staff can adjust the circumference angle of disk seat, and then makes things convenient for the staff to carry out the processing of disk seat slot.

Drawings

Fig. 1 is a perspective view of a clamping device for a valve seat in the related art;

FIG. 2 is a schematic perspective view of a clamping device for a valve seat according to an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view in the vertical direction at the handle of FIG. 2, showing the specific structure at the rotating assembly;

FIG. 4 is a schematic view of the exploded structure of the mounting station and turntable shown in FIG. 3, showing the connection structure between the mounting station and the turntable;

FIG. 5 is a cross-sectional structural view at the mounting station shown in FIG. 4, showing a specific structure of the drive assembly;

fig. 6 is a schematic perspective view of the cylinder of fig. 2, showing a specific structure of the cylinder.

Description of reference numerals: 100. a work table; 110. a cylinder; 120. an arc-shaped plate; 130. an installation table; 140. a worm; 150. a mounting cavity; 160. a handle; 170. a first rotating shaft; 180. a worm gear; 190. mounting grooves; 200. a turntable; 210. a rectangular block; 220. a bump; 240. a first sliding groove; 250. a second sliding groove; 260. tightly abutting against the bolt; 270. positioning blocks; 280. mounting holes; 290. a tightening rod; 300. a propping block; 310. a rotating shaft; 320. a straight slot; 330. a first bevel gear; 340. a fixing plate; 350. a first threaded rod; 360. a second threaded rod; 370. a second bevel gear; 380. a third bevel gear; 390. a sliding block; 410. mounting blocks; 420. a dovetail groove; 430. connecting blocks; 440. and locking the bolt.

Detailed Description

The present application is described in further detail below with reference to figures 2-6.

The embodiment of the application discloses disk seat slot processingequipment. Referring to fig. 2 and 3, the valve seat groove processing device includes a workbench 100, a rotating assembly is mounted on the workbench 100, the rotating assembly includes a worm 140, a mounting cavity 150 is formed in the workbench 100, the worm 140 is rotatably connected to the workbench 100, one end of the worm 140 penetrates through the mounting cavity 150, and one end of the worm 140, which is far away from the mounting cavity 150, extends out of a side wall of the workbench 100 and is fixedly connected with a handle 160. The installation cavity 150 is rotatably connected with a first rotating shaft 170 along the vertical direction, the bottom end of the first rotating shaft 170 extends into the installation cavity 150 and is fixedly connected with a worm wheel 180, and the worm wheel 180 is meshed with the worm 140. The top surface of the working table 100 is provided with a mounting groove 190, the mounting groove 190 is rotatably connected with a turntable 200, and one end of the first rotating shaft 170, which is far away from the worm gear 180, extends into the mounting groove 190 and is fixedly connected with the turntable 200.

Referring to fig. 4, a rectangular block 210 is fixedly connected to the top surface of the turntable 200, two end portions of the rectangular block 210 are fixedly connected to bumps 220, the rectangular block 210 is connected to an installation table 130 in a sliding manner, a first sliding groove 240 for the rectangular block 210 to move is formed in the bottom surface of the installation table 130, two second sliding grooves 250 for the two bumps 220 to slide are further formed in the bottom surface of the installation table 130, and the two second sliding grooves 250 are communicated with the first sliding groove 240. The outer peripheral wall of the mounting table 130 is provided with a locking member for locking the height position of the mounting table 130, the locking member is configured to be a fastening bolt 260, the fastening bolt 260 is in threaded connection with the mounting table 130, and one end of the fastening bolt 260 extends into the second sliding groove 250 and is fastened with the projection 220.

Referring to fig. 4, a positioning block 270 is fixedly connected to the top surface of the mounting table 130, a mounting hole 280 is formed in the outer peripheral wall of the positioning block 270 in a penetrating manner along the diameter direction of the positioning block 270, two abutting rods 290 are slidably connected to the inside of the mounting hole 280, abutting blocks 300 for abutting against the inner wall of the valve seat are fixedly connected to the ends of the two abutting rods 290, and the abutting blocks 300 are arc-shaped.

Referring to fig. 5, the positioning block 270 is provided with a driving assembly for driving the two abutting rods 290 to move in opposite directions, the driving assembly includes a rotating shaft 310, the rotating shaft 310 is rotatably connected to the positioning block 270 along a vertical direction, the top end of the rotating shaft 310 extends out of the top surface of the positioning block 270 and is provided with a straight groove 320, and the bottom end of the rotating shaft 310 extends into the mounting hole 280 and is fixedly connected with a first bevel gear 330. A fixing plate 340 is fixedly connected in the mounting hole 280, a first threaded rod 350 and a second threaded rod 360 are rotatably connected to the fixing plate 340, the first threaded rod 350 and the second threaded rod 360 are respectively located at two sides of the fixing plate 340, one end of the first threaded rod 350 close to the first bevel gear 330 is fixedly connected with a second bevel gear 370 meshed with the first bevel gear 330, and one end of the second threaded rod 360 close to the first bevel gear 330 is fixedly connected with a third bevel gear 380 meshed with the first bevel gear 330. The end of the first threaded rod 350 far from the first bevel gear 330 and the end of the second threaded rod 360 far from the bevel gear are both connected with a sliding block 390 through threads, and the two sliding blocks 390 are respectively fixedly connected with the two tightening rods 290.

Referring to fig. 2 and 6, two air cylinders 110 are fixedly connected to the worktable 100, the two air cylinders 110 are respectively located at two sides of the mounting table 130, a piston rod of each air cylinder 110 is fixedly connected with a mounting block 410, a dovetail groove 420 is formed in the top surface of the mounting block 410 along the vertical direction, a connecting block 430 is slidably connected in the dovetail groove 420, and a locking bolt 440 is threadedly connected to the top surface of the connecting block 430 along the vertical direction. A first threaded hole is formed in the inner wall of the dovetail groove 420, and a locking bolt 440 passes through the connecting block 430 and is in threaded connection with the first threaded hole, so as to lock the position of the connecting block 430 in the dovetail groove 420. An arc-shaped plate 120 for abutting against the peripheral wall of the valve seat is fixedly connected to the side wall of the connecting block 430 far away from the cylinder 110.

The implementation principle of the valve seat groove processing device in the embodiment of the application is as follows:

when the positioning and clamping work of the valve seat needs to be performed, a worker installs the valve seat on the positioning block 270, then the tool is used for clamping the straight groove 320 and rotating the rotating shaft 310, the rotating shaft 310 drives the first bevel gear 330 to rotate, the first bevel gear 330 further drives the second bevel gear 370 and the third bevel gear 380 which are meshed with the first bevel gear 330 to rotate, the second bevel gear 370 further drives the first threaded rod 350 to rotate, the third bevel gear 380 further drives the second threaded rod 360 to rotate, the first threaded rod 350 further drives the sliding block 390 to displace in the sliding hole, the second threaded rod 360 further drives the sliding block 390 to displace in the sliding hole, the two sliding blocks 390 further drive the two abutting rods 290 to move in opposite directions, and further the two abutting blocks 300 abut against the inner wall of the valve seat, so that the preliminary positioning and clamping work of the valve seat is realized.

Then, the two cylinders 110 are started, the piston rods of the two cylinders 110 respectively push the two mounting blocks 410 to approach each other, and the two arc-shaped plates 120 on the two mounting blocks 410 approach each other and tightly abut against the outer wall of the valve seat, so that the positioning and clamping work of the valve seat is realized.

When the circumferential angle of the valve seat needs to be adjusted, the two cylinders 110 are started, the piston rods of the two cylinders 110 drive the two arc-shaped plates 120 to be away from the valve seat, then the handle 160 is rotated, the handle 160 drives the worm 140 to rotate, the worm 140 further drives the worm wheel 180 to rotate, the worm wheel 180 further drives the first rotating shaft 170 to rotate, the first rotating shaft 170 further drives the turntable 200 to rotate, the turntable 200 further drives the rectangular block 210 to adjust the circumferential angle, the rectangular block 210 further drives the mounting table 130 to rotate, and therefore the circumferential angle of the valve seat on the mounting table 130 can be adjusted. And finally, the two cylinders 110 are started again, and the piston rods of the two cylinders 110 push the two arc-shaped plates 120 to approach each other and abut against the peripheral wall of the valve seat again, so that the valve seat is fixedly clamped.

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

Claims

1. A valve seat groove processingequipment, includes workstation (100), install mount table (130) on workstation (100), its characterized in that: install locating piece (270) on mount table (130), mounting hole (280) have been seted up on locating piece (270), mounting hole (280) internal slipping is connected with two and supports tight pole (290), two the equal fixedly connected with of tip of supporting tight pole (290) supports tight piece (300), install drive assembly on locating piece (270), drive assembly is used for driving two and supports tight pole (290) and take place the displacement in opposite directions.

2. The valve seat groove machining device according to claim 1, wherein: the driving assembly comprises a rotating shaft (310), a first bevel gear (330), a second bevel gear (370), a third bevel gear (380), a first threaded rod (350) and a second threaded rod (360), the rotating shaft (310) is rotatably connected to the positioning block (270), one end of the rotating shaft (310) extends into the mounting hole (280) and is connected with the first bevel gear (330), the first threaded rod (350) and the second threaded rod (360) are rotatably connected to the mounting hole (280), the second bevel gear (370) is fixedly connected to the first threaded rod (350) and is meshed with the first bevel gear (330), the third bevel gear (380) is fixedly connected to the second threaded rod (360) and is meshed with the first bevel gear (330), and sliding blocks (390) are fixedly connected to the two abutting rods (290), threaded holes are formed in the two sliding blocks (390).

3. The valve seat groove machining device according to claim 1, wherein: install rectangular block (210) on workstation (100), the both ends fixedly connected with lug (220) of rectangular block (210), the confession has been seted up to mount table (130) bottom the first groove (240) that slides that displacement takes place for rectangular block (210), two confessions have been seted up to mount table (130) bottom the second groove (250) that slides that displacement takes place for lug (220), two the second slide groove (250) all with first groove (240) intercommunication that slides.

4. A valve seat groove machining device according to claim 3, wherein: a locking piece used for locking the height position of the installation table (130) is arranged between the rectangular block (210) and the installation table (130), the locking piece is set to be a butting bolt (260), and the butting bolt (260) is in threaded connection with the installation table (130) and extends into the second sliding groove (250).

5. A valve seat groove machining device according to claim 3, wherein: be provided with on workstation (100) and be used for the drive pivoted rotating assembly takes place for rectangular block (210), rotating assembly includes carousel (200), first axis of rotation (170), worm wheel (180), worm (140) and handle (160), mounting groove (190) have been seted up on workstation (100), carousel (200) rotate to be connected in mounting groove (190), installation cavity (150) have been seted up on workstation (100), first axis of rotation (170) rotate to be connected on workstation (100), first axis of rotation (170) one end stretch into in mounting groove (190) and with carousel (200) fixed connection, first axis of rotation (170) other end stretch into in installation cavity (150) and with worm wheel (180) fixed connection, worm (140) rotate to be connected on workstation (100), one end of the worm (140) extends into the mounting cavity (150) and is meshed with the worm wheel (180), and the other end of the worm (140) extends out of the workbench (100) and is fixedly connected with the handle (160).

6. The valve seat groove machining device according to claim 1, wherein: air cylinders (110) are fixedly connected to the working table (100) on two sides of the mounting table (130), and arc-shaped plates (120) are mounted at piston rods of the air cylinders (110).

7. The valve seat groove machining device according to claim 6, wherein: the piston rod of each cylinder (110) is fixedly connected with an installation block (410), the top surface of the installation block (410) is provided with a dovetail groove (420), the side wall of one side of the arc-shaped plate (120) is fixedly connected with a connecting block (430), and the connecting block (430) is connected in the dovetail groove (420) in a sliding manner.

8. The valve seat groove machining device according to claim 7, wherein: the locking structure is characterized in that the connecting block (430) is in threaded connection with a locking bolt (440) along the vertical direction, a first threaded hole is formed in the inner wall of the dovetail groove (420), and the locking bolt (440) penetrates through the connecting block (430) and is in threaded connection with the dovetail groove (420).