CN212169887U

CN212169887U - A device that is used for interior chamfer of ball valve disk seat to polish

Info

Publication number: CN212169887U
Application number: CN202020820436.6U
Authority: CN
Inventors: 朱顺根; 金新根
Original assignee: Jiaxing Steel Ball Factory
Current assignee: Jiaxing Steel Ball Factory
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-12-18
Anticipated expiration: 2030-05-15

Abstract

The utility model discloses a device for polishing an inner chamfer of a ball valve seat, which comprises a workbench and a valve seat fixing and rotating mechanism arranged at the upper end of the workbench, a polishing base is arranged at the upper end of the workbench, bearing seats are fixed at the left side and the right side of the upper end of the polishing base, a left screw rod and a right screw rod are arranged above the polishing base, the left end and the right end of the left screw rod and the right screw rod are rotationally connected in the bearing seat, the middle of the left screw rod and the right screw rod is sleeved with a screw sleeve seat which is connected on the left screw rod and the right screw rod in a threaded manner, the end parts of the left and right screw rods far away from the valve seat fixing and rotating mechanism are fixedly connected with a rotating handle, the upper end of the screw sleeve seat is provided with a three-jaw chuck II, the intermediate shaft of the second three-jaw chuck and the intermediate shaft of the first three-jaw chuck are positioned on the same straight line, the upper end of the screw sleeve seat is fixedly connected with a stabilizing block, and a stabilizing groove is formed in the side wall, close to the three-jaw chuck II, of the stabilizing block.

Description

A device that is used for interior chamfer of ball valve disk seat to polish

Technical Field

The utility model relates to a ball valve processing technology field especially relates to a device that is used for chamfer to polish in ball valve disk seat.

Background

The ball valve is evolved from a traditional plug valve, and the opening and closing piece of the ball valve is a ball body which can realize the opening and closing purposes around the axis of a valve rod. The valve seat is a component for supporting the fully closed position of the valve core and forming a sealing pair, and the inner wall of the valve seat needs to be chamfered and polished during the manufacturing and processing of the valve seat, so that the sealing performance when the valve seat is combined with a ball body is improved.

In the chamfering and polishing method in the prior art, a valve seat to be polished is fixed in a three-jaw chuck, then a worker wears gloves and holds a polishing rod to chamfer and polish the inner wall of the valve seat, on one hand, the polishing mode has great potential safety hazards, and fragments generated during polishing scatter on the body and face of the worker to cause discomfort of the worker. When the staff will polish the stick and be close to the disk seat of quick rotation in addition, if staff's hand does not take steady stick of polishing, the powerful revolving force of disk seat can appear and drive the condition of polishing stick and staff's hand rotatory together, causes the staff injury under this condition easily. The quality of polishing that another makes things convenient for this kind of mode of polishing is relatively poor, and the staff is handheld to polish the stick and can produce when polishing and rock but the inner wall chamfer of disk seat is inhomogeneous with the degree of polishing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a device that is used for chamfer to polish in ball valve disk seat can fix and remove the stick of polishing to control through the staff and make its inner wall to the disk seat chamfer and polish, and do not need the handheld stick of polishing of staff to polish, make the staff safer when the operation, and it is more convenient to operate, compares in addition and polishes in handheld stick of polishing, and this mode is polished the quality and is better.

The above technical purpose of the present invention can be achieved by the following technical solutions: a device for polishing an inner chamfer of a ball valve seat comprises a workbench and a valve seat fixing and rotating mechanism arranged at the upper end of the workbench, wherein the valve seat fixing and rotating mechanism comprises a rotating motor, a rotating block and a three-jaw chuck I, the rotating motor is horizontally arranged at the upper end of the workbench, the rotating block is fixedly connected on a rotating shaft of the rotating motor, the three-jaw chuck I is fixed on the side wall of the rotating block, which is far away from the rotating motor, a polishing base is arranged at the upper end of the workbench, bearing seats are fixed at the left side and the right side of the upper end of the polishing base, a left lead screw and a right lead screw are arranged above the polishing base, the left end and the right end of the left lead screw are rotatably connected in the bearing seats, a screw sleeve seat is arranged in the middle sleeve of the left lead screw and the right lead screw, both sides are provided with supplementary moving mechanism around the screw socket lower extreme, the upper end of screw socket is provided with three-jaw chuck two, the jackshaft of three-jaw chuck two with the jackshaft of three-jaw chuck one is in on the same straight line, the upper end fixedly connected with stabilizing block of screw socket, stabilizing block is located one side that the fixed rotary mechanism of disk seat was kept away from to three-jaw chuck two, stabilizing block has seted up stable groove on being close to the lateral wall of three-jaw chuck two, be fixed with the stick of polishing in the three-jaw chuck two, the tip that the fixed rotary mechanism of disk seat was kept away from to the stick of polishing inlays and locates stable inslot.

Through the technical scheme, the manual rotation of the worker rotates the handle to enable the left screw rod and the right screw rod to rotate, so that the screw sleeve seats on the left screw rod and the right screw rod can move along the length direction of the screw sleeve seats on the left screw rod and the right screw rod, the worker can change the moving direction of the screw sleeve seats by controlling the rotating direction of the rotating handle, and the worker can be close to or far away from the valve seat fixing and rotating mechanism. Thereby make the swivel nut seat remove to the fixed rotary mechanism's of disk seat direction when polishing, the inner wall edge of the ball of polishing of the stick of polishing above the swivel nut seat contact three-jaw chuck a disk seat makes the ball of polishing carry out chamfer and polish to the disk seat inner wall edge of high-speed rotation. Thereby when polishing the staff can be far away from the position of polishing, guarantee the security of its operation, three-jaw chuck two can play fine fixed action to the stick of polishing with the stabilizing block when polishing simultaneously, polish the condition that the stick can not appear rocking at the in-process of polishing, guaranteed higher quality of polishing when improving the security. In addition, when the valve seat is polished, the polishing rod is in a high-speed rotating state, the polishing rod and the valve seat are in contact with each other to have a large rotating force, the stabilizing block can play a stabilizing role in the polishing rod, and the polishing rod is prevented from shaking due to stress when polished, so that the polishing quality is poor.

The utility model discloses still further set up to: the cross section of the stabilizing groove is circular, and a guide angle is arranged at the edge of one side of the stabilizing groove, which is close to the three-jaw chuck II.

Through above-mentioned technical scheme, the guide angle can make things convenient for the staff to install the tip of stick of polishing into in the stable groove.

The utility model discloses still further set up to: the inner wall upper end position in stable groove has seted up the rectangle constant head tank, the body of rod outer wall that the stick of polishing kept away from its ball one side of polishing is provided with the rectangle locating piece, the rectangle locating piece inlays locates in the rectangle constant head tank.

Through above-mentioned technical scheme, the rectangle locating piece on the stick of polishing inlays to locate can play the positioning action and prevent its pivoted effect to the stick of polishing in the rectangle constant head tank, and the position is the same and can not take place the rotation when the in-process atress of polishing when making the stick of polishing polish the disk seat, improves its stability.

The utility model discloses still further set up to: the inner wall of the stabilizing groove is provided with a plurality of shockproof caulking grooves, and shockproof pads are embedded in the shockproof caulking grooves.

Through above-mentioned technical scheme, the stick of polishing can produce the impact to stabilizing the inslot inner wall because the position that receives the effect of power and its position that is arranged in stabilizing the groove when polishing, and the antivrbration pad can play the guard action to stabilizing the inner wall in groove, prevents that the stick of polishing from causing the damage to it.

The utility model discloses still further set up to: the auxiliary moving mechanism comprises an auxiliary guide rail and an auxiliary sliding block, the auxiliary guide rail is fixedly connected to the upper end of the polishing base along the length direction of the left and right screw rods, the lower end of the auxiliary sliding block is slidably connected to the auxiliary guide rail, and the upper end of the auxiliary sliding block is fixedly connected to the lower end of the screw sleeve seat.

Through above-mentioned technical scheme, the auxiliary sliding block of screw sleeve seat when removing moves on auxiliary guide rail along with it, plays the supporting role to the screw sleeve seat on the one hand, and on the other hand makes the screw sleeve seat can be more steady when removing.

The utility model discloses still further set up to: one side of the auxiliary guide rail, which is close to the valve seat fixing and rotating mechanism, is provided with a limiting block, the lower end of the limiting block is fixed at the upper end of the polishing base, and an anti-collision pad is arranged on the side wall, which is close to the auxiliary sliding block, of the limiting block.

Through the technical scheme, when the grinding ball moves to the optimal grinding position, the auxiliary moving block can abut against the limiting block, the limiting block enables the threaded sleeve seat not to continue to move to one side of the valve seat, and excessive chamfering caused by excessive friction between the grinding ball and the valve seat is prevented.

The utility model discloses still further set up to: the upper end of three-jaw chuck two is provided with cooling body, cooling body includes cooling base, cooling spray tube and inlet tube, cooling base fixed connection is in the upper end of three-jaw chuck two, the cooling spray tube is fixed in the upper end of cooling base, the inlet tube communicates in the one end that the fixed rotary mechanism of disk seat was kept away from to the cooling spray tube.

Through above-mentioned technical scheme, the stick of polishing can produce higher temperature when polishing the disk seat, and the water in the inlet tube cools off the position of polishing through the cooling nozzle spout to the position of polishing.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the auxiliary moving mechanism of the present invention;

fig. 3 is a top view of the present invention;

fig. 4 is a cross-sectional view taken along the direction B in fig. 3 according to the present invention.

The reference numbers in the figures mean: 1. a work table; 2. the valve seat fixing and rotating mechanism; 3. a rotating electric machine; 4. rotating the block; 5. a first three-jaw chuck; 6. polishing the base; 7. a bearing seat; 8. a left screw rod and a right screw rod; 9. a screw sleeve seat; 10. rotating the handle; 11. a second three-jaw chuck; 12. a stabilizing block; 13. a stabilizing slot; 14. grinding a rod; 15. a guide angle; 16. a rectangular positioning groove; 17. a rectangular positioning block; 18. a shockproof caulking groove; 19. a crash pad; 20. an auxiliary guide rail; 21. an auxiliary slider; 22. a limiting block; 23. an anti-collision pad; 24. cooling the base; 25. cooling the spray pipe; 26. and (4) a water inlet pipe.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

The present invention will be described below with reference to fig. 1 to 4.

The utility model provides a device that is used for chamfer to polish in ball valve disk seat, includes workstation 1, sets up in the fixed rotary mechanism 2 of disk seat of workstation 1 upper end, and the fixed rotary mechanism 2 of disk seat includes rotating electrical machines 3, rotatory piece 4 and three-jaw chuck 5, and 3 levels of rotating electrical machines set up in 1 upper end of workstation, and the lower extreme of rotating electrical machines 3 passes through the upper end of screw fixation in workstation 1. The rotating block 4 is fixedly connected to a rotating shaft of the rotating motor 3, the three-jaw chuck 5 is fixed to the side wall, away from the rotating motor 3, of the rotating block 4 through screws, the valve seat is fixed to the center of the three-jaw chuck, and the center shaft of the valve seat is overlapped with the center shaft of the three-jaw chuck 5. The rotating block 4 and the three-jaw chuck 5 can be driven to rotate rapidly by starting the rotating motor 3, so that the valve seat in the three-jaw chuck 5 also rotates at a high speed.

The upper end of the workbench 1 is provided with a polishing base 6, the polishing base 6 is fixed on the workbench 1 through screws, and the polishing base 6 is positioned on one side of the valve seat far away from the rotating motor 3. The left side and the right side of the upper end of the polishing base 6 are fixed with bearing seats 7 through screws, a left screw 8 and a right screw 8 are arranged above the polishing base 6, the left end and the right end of the left screw 8 are rotatably connected into the bearing seats 7, a screw sleeve seat 9 is sleeved in the middle of the left screw 8 and the right screw 8, the screw sleeve seat 9 is cuboid in shape, the screw sleeve seat 9 is in threaded connection with the left screw 8 and the right screw 8, and a rotating handle 10 is fixedly connected to the end portion, far away from the valve seat fixing and rotating.

The front and back both sides of spiro union seat 9 lower extreme are provided with supplementary moving mechanism, and supplementary moving mechanism includes supplementary guide rail 20 and supplementary sliding block 21, and supplementary guide rail 20 passes through screw fixed connection in the base 6 upper end of polishing along the length direction of controlling lead screw 8, and the lower extreme sliding connection of supplementary sliding block 21 is on supplementary guide rail 20, and screw fixed connection is passed through at the lower extreme of spiro union seat 9 in the upper end of supplementary sliding block 21.

One side that supplementary guide rail is close to the fixed rotary mechanism 2 of disk seat is provided with stopper 22, and stopper 22's shape is rectangle and lower extreme and passes through screw fixed connection in the base 6 upper end of polishing, and stopper 22's lower extreme is fixed in the base 6 upper end of polishing, is provided with the crash pad 23 on stopper 22 is close to the lateral wall of supplementary sliding block 21.

The upper end of the screw sleeve seat 9 is provided with a second three-jaw chuck 11, an intermediate shaft of the second three-jaw chuck 11 and an intermediate shaft of the first three-jaw chuck 5 are positioned on the same straight line, a polishing rod 14 is fixed in the second three-jaw chuck 11, one end, close to the valve seat, of the polishing rod 14 is provided with a polishing ball, and the polishing ball can be used for polishing a chamfer angle attached to the valve ball at the edge of the inner wall of the valve seat.

The manual rotatory hand (hold) of rotating of staff 10 makes lead screw 8 rotate about, thereby can make about the screw sleeve seat 9 on the lead screw 8 on lead screw 8 along its length direction remove, the staff can change the moving direction of screw sleeve seat 9 through the direction of rotation that the control rotated hand (hold) 10, make it be close to or keep away from the fixed rotary mechanism 2 of disk seat, screw sleeve seat 9 is supplementary sliding block 21 when removing and is followed it and is removed together on supplementary guide rail 20, play the supporting role to screw sleeve seat 9 on the one hand, on the other hand makes screw sleeve seat 9 can be more steady when removing. Thereby make the swivel nut seat 9 remove to the fixed rotary mechanism 2's of disk seat direction when polishing, the inner wall edge of the disk seat of 5 kinds of disk seats of the ball contact three-jaw chuck of polishing ball of the pole 14 of polishing above the swivel nut seat 9 makes the ball of polishing carry out chamfer and polish to the disk seat inner wall edge of high-speed rotation. When the ball of polishing removed to the best position of polishing auxiliary sliding block 21 will support in stopper 22, and stopper 22 makes swivel nut seat 9 can not continue to remove to disk seat one side, prevents to polish between ball and the disk seat excessively and the chamfer too big, and crashproof pad 23 can play the cushioning effect, can not cause the damage when making auxiliary sliding block 21 strike on stopper 22.

The upper end of the screw sleeve seat 9 is fixedly connected with a stabilizing block 12, the stabilizing block 12 is positioned on one side of the three-jaw chuck II 11 far away from the valve seat fixing and rotating mechanism 2, a stabilizing groove 13 is formed in the side wall of the stabilizing block 12 close to the three-jaw chuck II 11, the cross section of the stabilizing groove 13 is circular, a guide angle 15 is arranged at the edge of one side of the stabilizing groove 13 close to the three-jaw chuck II 11, and the end part, far away from the valve seat fixing and rotating mechanism 2, of the grinding rod 14 is embedded in the stabilizing groove 13. When polishing the disk seat, the polishing rod 14 is in a high-speed rotation state because the disk seat is in, the effect of great rotatory power can be had in the contact of polishing rod 14 and disk seat, and stabilizing block 12 can play the stabilizing action to polishing rod 14, prevents that the atress of polishing rod 14 when polishing and produce and rock, causes the poor condition of quality of polishing.

The upper end of the inner wall of the stabilizing groove 13 is provided with a rectangular positioning groove 16, the outer wall of the rod body of the grinding rod 14 far away from one side of the grinding ball is provided with a rectangular positioning block 17, and the rectangular positioning block 17 is embedded in the rectangular positioning groove 16. The inner wall of the stabilizing slot 13 is provided with a plurality of shockproof caulking grooves 18, and shockproof pads 19 are embedded in the shockproof caulking grooves 18. The rectangular positioning block 17 on the polishing rod 14 is embedded in the rectangular positioning groove 16, so that the polishing rod 14 can be positioned and prevented from rotating, the polishing rod 14 is identical in position when polishing the valve seat, and cannot rotate when being stressed in the polishing process, and the stability of the polishing rod is improved. When the grinding rod 14 is subjected to force during grinding, the part of the grinding rod, which is located in the stabilizing groove 13, can impact the inner wall of the stabilizing groove 13, and the shockproof pad 19 can protect the inner wall of the stabilizing groove 13 and prevent the grinding rod 14 from damaging the inner wall.

The upper end of three-jaw chuck two 11 is provided with cooling body, cooling body includes cooling base 24, cooling nozzle 25 and inlet tube 26, cooling base 24 passes through screw fixed connection in the upper end of three-jaw chuck two 11, cooling nozzle 25 passes through the screw fixation in cooling base 24's upper end, inlet tube 26 communicates in the one end that the fixed rotary mechanism 2 of disk seat was kept away from to cooling nozzle 25, the sprinkler bead of cooling nozzle 25 is aimed at the first position of polishing of stick 14 of polishing, stick 14 of polishing can produce higher temperature when polishing the disk seat, water in the inlet tube 26 sprays the position of polishing through cooling nozzle 25 and cools off the position of polishing, prevent because the high and material phase transition of temperature, guarantee the quality of polishing of disk seat.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a device that is used for interior chamfer of ball valve disk seat to polish, includes workstation (1), sets up in the fixed rotary mechanism of disk seat (2) of workstation (1) upper end, the fixed rotary mechanism of disk seat (2) include rotating electrical machines (3), rotatory piece (4) and three-jaw chuck (5), rotating electrical machines (3) level sets up in workstation (1) upper end, just rotatory piece (4) fixed connection is in the pivot of rotating electrical machines (3), three-jaw chuck (5) are fixed in on the lateral wall that rotating electrical machines (3) were kept away from in rotatory piece (4), its characterized in that: the polishing machine is characterized in that a polishing base (6) is arranged at the upper end of the workbench (1), bearing seats (7) are fixed on the left side and the right side of the upper end of the polishing base (6), a left screw rod (8) and a right screw rod (8) are arranged above the polishing base (6), the left end and the right end of the left screw rod (8) are rotatably connected into the bearing seats (7), a screw sleeve seat (9) is sleeved in the middle of the left screw rod (8) and the right screw rod (8), the screw sleeve seat (9) is in threaded connection with the left screw rod (8) and the right screw rod (8), a rotating handle (10) is fixedly connected to the end part, far away from the valve seat fixing and rotating mechanism (2), of the left screw rod (8) and the right screw rod (8), auxiliary moving mechanisms are arranged on the front side and the rear side of the lower end of the screw sleeve seat (9), a second three, the upper end fixedly connected with stabilizing block (12) of spiral shell cover seat (9), stabilizing block (12) are located three-jaw chuck two (11) and keep away from one side of the fixed rotary mechanism (2) of disk seat, stabilizing groove (13) have been seted up on stabilizing block (12) are close to the lateral wall of three-jaw chuck two (11), be fixed with in three-jaw chuck two (11) and polish stick (14), the tip that the fixed rotary mechanism (2) of disk seat was kept away from in polishing stick (14) inlays and locates in stabilizing groove (13).

2. A device for chamfering a ball valve seat according to claim 1, wherein: the cross section of the stabilizing groove (13) is circular, and a guide angle (15) is arranged at the edge of one side of the stabilizing groove (13) close to the second three-jaw chuck (11).

3. An apparatus as claimed in claim 2, wherein the chamfer angle grinding device comprises: the inner wall upper end position of stabilizing trough (13) has seted up rectangle constant head tank (16), the body of rod outer wall that polish stick (14) kept away from its ball one side of polishing is provided with rectangle locating piece (17), rectangle locating piece (17) are inlayed and are located in rectangle constant head tank (16).

4. A device for chamfering a ball valve seat according to claim 3, wherein: the inner wall of the stabilizing groove (13) is provided with a plurality of shockproof caulking grooves (18), and shockproof pads (19) are embedded in the shockproof caulking grooves (18).

5. A device for chamfering a ball valve seat according to claim 1, wherein: supplementary moving mechanism includes auxiliary guide rail (20) and supplementary sliding block (21), the length direction fixed connection of left and right sides lead screw (8) is followed in supplementary guide rail (20) in base (6) upper end of polishing, the lower extreme sliding connection of supplementary sliding block (21) is on supplementary guide rail (20), the upper end fixed connection of supplementary sliding block (21) is at the lower extreme of spiro union seat (9).

6. An apparatus as claimed in claim 5, wherein the chamfer angle grinding device comprises: one side of the auxiliary guide rail (20) close to the valve seat fixing and rotating mechanism (2) is provided with a limiting block (22), the lower end of the limiting block (22) is fixed at the upper end of the polishing base (6), and an anti-collision pad (23) is arranged on the side wall of the limiting block (22) close to the auxiliary sliding block (21).

7. A device for chamfering a ball valve seat according to claim 1, wherein: the upper end of three-jaw chuck two (11) is provided with cooling body, cooling body includes cooling base (24), cooling nozzle (25) and inlet tube (26), cooling base (24) fixed connection is in the upper end of three-jaw chuck two (11), cooling nozzle (25) are fixed in the upper end of cooling base (24), inlet tube (26) communicate in the one end that the fixed rotary mechanism of disk seat (2) was kept away from in cooling nozzle (25).