CN214025149U

CN214025149U - Valve shaft polishing machine

Info

Publication number: CN214025149U
Application number: CN202023221807.8U
Authority: CN
Inventors: 王淇; 杨建强; 鞠云路
Original assignee: Hebei Bolei Valve Co ltd
Current assignee: Hebei Bolei Valve Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-08-24
Anticipated expiration: 2030-12-28

Abstract

The utility model relates to the technical field of valve shaft processing accessories, in particular to a valve shaft polishing machine; the polishing machine has the advantages that the effective utilization rate of equipment is improved, so that the machining efficiency is improved, and the practicability is improved; positioning mechanism includes servo motor, support the carousel, the middle roof beam that erects, roof and two sets of fixing device, two sets of fixing device bilateral symmetry install in the middle both sides of erecting the roof beam, two sets of fixing device all include the hydro-cylinder, the lifter plate, go up the chuck, rotating electrical machines and lower chuck, the hydro-cylinder is installed on the top of roof, the bottom output of hydro-cylinder passes the roof and is connected with the top of lifter plate, it installs in the bottom of lifter plate to go up the chuck rotatable, go up relative setting from top to bottom of chuck and lower chuck, polishing mechanism includes the horizontal migration device, install vertical mobile device on the horizontal migration device and install the burnishing device on vertical mobile device.

Description

Valve shaft polishing machine

Technical Field

The utility model relates to a valve shaft processing auxiliary device's technical field especially relates to a valve shaft burnishing machine.

Background

As is well known, a valve shaft is a structure for driving a valve flap of a valve body to rotate, and a valve shaft polishing machine is an auxiliary device for performing mirror polishing on the valve shaft, and is widely used in the field of machining; the polishing of the existing valve shaft is generally carried out the clamping and positioning of the valve shaft through a chuck, then the shaft surface of the valve shaft is polished through a polishing cutter, the length of the valve shaft is small, the polishing time of a single valve shaft is short, the time for loading and unloading the valve shaft is long, the effective utilization rate of equipment is low, the processing efficiency is influenced, and the practicability is low.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides an improve the effective utilization ratio to equipment to improve machining efficiency, improve the valve shaft burnishing machine of practicality.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a valve shaft polishing machine comprises a workbench, wherein a positioning mechanism for fixing a valve shaft and a polishing mechanism for polishing the valve shaft are arranged on the workbench; the positioning mechanism comprises a servo motor, a supporting turntable, a middle vertical beam, a top plate and two groups of fixing devices, the servo motor is arranged at the bottom end of the workbench, the top output end of the servo motor penetrates through the workbench and is connected with the middle part of the bottom end of the supporting turntable, the top end and the bottom end of the middle vertical beam are respectively fixedly connected with the bottom end of the top plate and the top end of the supporting turntable, the two groups of fixing devices are arranged at two sides of the middle vertical beam in a bilateral symmetry manner, each group of fixing devices comprises an oil cylinder, a lifting plate, an upper chuck, a rotating motor and a lower chuck, the oil cylinder is arranged at the top end of the top plate, the bottom output end of the oil cylinder penetrates through the top plate and is connected with the top end of the lifting plate, the upper chuck is rotatably arranged at the bottom end of the lifting plate, the rotating motor is arranged at the bottom end of the supporting turntable, and the top output end of the rotating motor penetrates through the supporting turntable and is connected with the middle part of the bottom end of the lower chuck, the upper chuck and the lower chuck are oppositely arranged up and down, and the polishing mechanism comprises a horizontal moving device, a vertical moving device arranged on the horizontal moving device and a polishing device arranged on the vertical moving device.

Preferably, the middle vertical beam is provided with a supporting device for supporting valve shafts on two sides in an auxiliary manner, the supporting device comprises a front supporting plate, a rear supporting plate, two groups of limiting optical axes and an adjusting screw rod, the middle part of the middle vertical beam is provided with a rectangular hole which is communicated with the left and the right, the front supporting plate is provided with two groups of front through holes which are communicated with the front and the rear, the rear supporting plate is provided with two groups of rear through holes which are communicated with the front and the rear, the middle part of the front supporting plate is provided with a rear threaded hole which is communicated with the front and the rear, the front ends of the two groups of limiting optical axes respectively penetrate through the two groups of front through holes and are connected with the front side wall of the rectangular hole, the rear ends of the two groups of limiting optical axes respectively penetrate through the two groups of rear through holes and are connected with the rear side wall of the rectangular hole, the front half part and the rear half part of the adjusting screw rod are respectively provided with a first external thread structure and a second external thread structure, and the rear end of the adjusting screw rod penetrates through the rear threaded hole and is rotatably connected with the rear side wall of the rectangular hole, the front end screw installation of adjusting the lead screw passes preceding screw hole to the place ahead of middle perpendicular roof beam, and the left end and the right-hand member of front strut all are provided with preceding supporting roller, the left end and the right-hand member of back extension board all are provided with back supporting roller.

Preferably, the horizontal migration device includes that slidable mounting carries out horizontal drive's first motor to horizontal slip table on the workstation, vertical mobile device erects the roof beam including the installation of installing on horizontal slip table top, slidable mounting erects the vertical slip table of roof beam left end in the installation and carries out the second motor of upper and lower drive to vertical slip table, burnishing device is including installing the polishing cutter in the vertical slip table left end.

Preferably, still include mount and fixed axle, the bottom of mount and the top left side fixed connection of workstation, the top of mount is buckled rightwards and is formed the diaphragm, the bottom of fixed axle and the top middle part rotatable coupling of roof, the top of fixed axle and the bottom fixed connection of diaphragm.

Preferably, the front end of the adjusting screw rod is provided with a rotating hand wheel.

Preferably, the top end of the horizontal sliding table is provided with a reinforcing rib plate for supporting the right end of the vertical beam.

Preferably, the left end top and the right end top of middle vertical beam all are provided with the linear guide of vertical direction to it is provided with the slider to slide on linear guide, the slider is connected with the lifter plate.

(III) advantageous effects

Compared with the prior art, the utility model provides a valve shaft burnishing machine possesses following beneficial effect:

1. the valve shaft polishing machine is characterized in that a valve shaft is arranged between an upper chuck and a lower chuck, the chucks are positioned, a supporting turntable is driven to rotate through a servo motor, the installed valve shaft is rotated to one side facing a polishing device to be polished, the valve shaft can be installed on another group of fixing devices in the polishing process, after polishing is finished, the supporting turntable is driven to rotate by 180 degrees through the servo motor, the newly assembled valve shaft can be rotated to a processing station, then the polished valve shaft is detached to be installed again, the valve shaft to be processed is disassembled, and the valve shaft is disassembled and assembled by fully utilizing the processing time of the valve shaft, so that the effective utilization rate of equipment is improved, the processing efficiency is improved, and the practicability is improved;

2. this valve shaft burnishing machine when installing the valve shaft, at first accomplish the clamp tight to the valve shaft bottom through lower chuck, then move down through hydro-cylinder drive lifter plate and upper chuck, accomplish again through upper chuck to the clamp tight at valve shaft top can, drive lower chuck and valve shaft through the rotating electrical machines and rotate, accomplish the polishing to the valve shaft mirror surface.

Drawings

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

fig. 2 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention;

FIG. 3 is a left side view schematic structure of the middle vertical beam of the present invention;

in the drawings, the reference numbers: 1. a work table; 2. a servo motor; 3. a support turntable; 4. a middle vertical beam; 5. a top plate; 6. an oil cylinder; 7. a lifting plate; 8. an upper chuck; 9. a rotating electric machine; 10. a lower chuck; 11. a support device; 12. a front support plate; 13. a rear support plate; 14. limiting an optical axis; 15. adjusting the lead screw; 16. a rectangular hole; 17. a front support roller; 18. a rear support roller; 19. a horizontal sliding table; 20. a first motor; 21. installing a vertical beam; 22. a vertical sliding table; 23. a second motor; 24. polishing the cutter; 25. a fixed mount; 26. a fixed shaft; 27. a transverse plate; 28. rotating a hand wheel; 29. reinforcing rib plates; 30. a linear guide rail; 31. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the valve shaft polishing machine of the present invention includes a worktable 1, a positioning mechanism for fixing the valve shaft and a polishing mechanism for polishing the valve shaft are disposed on the worktable 1; the positioning mechanism comprises a servo motor 2, a supporting turntable 3, a middle vertical beam 4, a top plate 5 and two groups of fixing devices, wherein the servo motor 2 is installed at the bottom end of a workbench 1, the top output end of the servo motor 2 penetrates through the workbench 1 and is connected with the middle part of the bottom end of the supporting turntable 3, the top end and the bottom end of the middle vertical beam 4 are respectively and fixedly connected with the bottom end of the top plate 5 and the top end of the supporting turntable 3, the two groups of fixing devices are installed at the two sides of the middle vertical beam 4 in a bilateral symmetry manner, each group of fixing devices comprises an oil cylinder 6, a lifting plate 7, an upper chuck 8, a rotating motor 9 and a lower chuck 10, the oil cylinder 6 is installed at the top end of the top plate 5, the bottom output end of the oil cylinder 6 penetrates through the top plate 5 and is connected with the top end of the lifting plate 7, the upper chuck 8 is rotatably installed at the bottom end of the lifting plate 7, and the rotating motor 9 is installed at the bottom end of the supporting turntable 3, the top output end of a rotating motor 9 penetrates through a supporting turntable 3 and is connected with the middle part of the bottom end of a lower chuck 10, an upper chuck 8 and the lower chuck 10 are arranged up and down oppositely, the polishing mechanism comprises a horizontal moving device, a vertical moving device arranged on the horizontal moving device and a polishing device arranged on the vertical moving device, a valve shaft is arranged between the upper chuck 8 and the lower chuck 10 to complete the positioning of the chucks, the supporting turntable 3 is driven to rotate by a servo motor 2, the installed valve shaft is rotated to one side facing the polishing device to carry out polishing operation, in the polishing process, the valve shaft can be installed on another group of fixing devices, after the polishing is finished, the supporting turntable 3 is driven by the servo motor 2 to rotate by 180 degrees, namely, the newly assembled valve shaft can be rotated to a processing station, and then the polished valve shaft is dismounted and then a new valve shaft to be processed is installed, the valve shaft is disassembled and assembled by fully utilizing the machining time of the valve shaft, so that the effective utilization rate of equipment is improved, the machining efficiency is improved, and the practicability is improved; when the valve shaft is installed, the bottom of the valve shaft is clamped through the lower chuck 10, the lifting plate 7 and the upper chuck 8 are driven to move downwards through the oil cylinder 6, the top of the valve shaft is clamped through the upper chuck 8, the lower chuck 10 and the valve shaft are driven to rotate through the rotating motor 9, and the mirror surface of the valve shaft is polished.

The middle vertical beam 4 is provided with a supporting device 11 for supporting valve shafts on two sides in an auxiliary manner, the supporting device 11 comprises a front support plate 12, a rear support plate 13, two groups of limiting optical axes 14 and an adjusting screw rod 15, the middle part of the middle vertical beam 4 is provided with a rectangular hole 16 which is through from left to right, the front support plate 12 is provided with two groups of front through holes which are through from front to back, the rear support plate 13 is provided with two groups of rear through holes which are through from front to back, the middle part of the front support plate 12 is provided with front threaded holes which are through from front to back, the middle part of the rear support plate 13 is provided with rear threaded holes which are through from front to back, the front ends of the two groups of limiting optical axes 14 respectively penetrate through the two groups of front through holes and are connected with the front side wall of the rectangular hole 16, the front half part and the rear half part of the adjusting screw rod 15 are respectively provided with a first external thread structure and a second external thread structure, the rear end screw dress of adjusting screw 15 passes back screw hole and 16 rear side wall rotatable coupling of rectangular hole, and the screw dress of the front end of adjusting screw 15 passes preceding screw hole to the place ahead of middle vertical beam 4, and the left end and the right-hand member of preceding backup pad 12 all are provided with preceding supporting roller 17, back backup pad 13's left end and right-hand member all are provided with back supporting roller 18, the front end of adjusting screw 15 is provided with rotatory hand wheel 28, drives adjusting screw 15 through rotating rotatory hand wheel 28 and rotates, and through adjusting screw 15 drive preceding backup pad 12 and back backup pad 13 relative movement to make preceding supporting roller 17 and back supporting roller 18 carry out the auxiliary stay to the valve shaft, improve the supporting effect to the valve shaft when polishing.

The horizontal moving device comprises a horizontal sliding table 19 which is slidably mounted on the workbench 1 and a first motor 20 which drives the horizontal sliding table 19 transversely, the vertical moving device comprises a mounting vertical beam 21 which is mounted at the top end of the horizontal sliding table 19, a vertical sliding table 22 which is slidably mounted at the left end of the mounting vertical beam 21 and a second motor 23 which drives the vertical sliding table 22 up and down, the polishing device comprises a polishing cutter 24 which is mounted at the left end of the vertical sliding table 22, the first motor 20 drives the horizontal sliding to slide transversely, the second motor 23 drives the vertical sliding table 22 to slide vertically, and the polishing cutter 24 polishes the valve shaft; the top end of the horizontal sliding table 19 is provided with a reinforcing rib plate 29 for supporting the right end of the vertical mounting beam 21, and the stability of the vertical mounting plate is improved through the reinforcing rib plate 29.

The bottom end of the fixed frame 25 is fixedly connected with the left side of the top end of the workbench 1, the top of the fixed frame 25 is bent rightwards to form a transverse plate 27, the bottom end of the fixed shaft 26 is rotatably connected with the middle part of the top end of the top plate 5, and the top end of the fixed shaft 26 is fixedly connected with the bottom end of the transverse plate 27; the top plate 5 positioning mechanism is vertically reinforced by the fixing frame 25 and the fixing shaft 26.

The top of the left end and the top of the right end of the middle vertical beam 4 are both provided with linear guide rails 30 in the vertical direction, a sliding block 31 is arranged on the linear guide rails 30 in a sliding manner, and the sliding block 31 is connected with the lifting plate 7; the stability of the lifting plate 7 is ensured through the matching of the linear guide rail 30 and the slide block 31.

When the polishing device is used, the valve shaft is arranged between the upper chuck 8 and the lower chuck 10, the positioning of the chucks is completed, the servo motor 2 drives the supporting turntable 3 to rotate, the installed valve shaft is rotated to one side facing the polishing device to be polished, the valve shaft can be installed on the other group of fixing devices in the polishing process, after the polishing is finished, the servo motor 2 drives the supporting turntable 3 to rotate by 180 degrees, the newly assembled valve shaft can be rotated to a processing station, then the polished valve shaft is disassembled and then a new valve shaft to be processed is installed, and the valve shaft is disassembled and assembled by fully utilizing the processing time of the valve shaft, so that the effective utilization rate of equipment is improved, the processing efficiency is improved, and the practicability is improved; when the valve shaft is installed, firstly, the bottom of the valve shaft is clamped through the lower chuck 10, then the lifting plate 7 and the upper chuck 8 are driven to move downwards through the oil cylinder 6, the top of the valve shaft is clamped through the upper chuck 8, the lower chuck 10 and the valve shaft are driven to rotate through the rotating motor 9, the mirror surface of the valve shaft is polished, the adjusting screw 15 is driven to rotate through rotating the rotating hand wheel 28, the front support plate 12 and the rear support plate 13 are driven to move relatively through the adjusting screw 15, and therefore the front support roller 17 and the rear support roller 18 can assist in supporting the valve shaft, and the supporting effect of the valve shaft during polishing is improved.

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

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A valve shaft polishing machine comprises a workbench (1), wherein a positioning mechanism for fixing a valve shaft and a polishing mechanism for polishing the valve shaft are arranged on the workbench (1); it is characterized in that the positioning mechanism comprises a servo motor (2), a supporting turntable (3), a middle vertical beam (4), a top plate (5) and two groups of fixing devices, the servo motor (2) is installed at the bottom end of the workbench (1), the top output end of the servo motor (2) penetrates through the workbench (1) and is connected with the middle part of the bottom end of the supporting turntable (3), the top end and the bottom end of the middle vertical beam (4) are respectively fixedly connected with the bottom end of the top plate (5) and the top end of the supporting turntable (3), the two groups of fixing devices are symmetrically installed at the two sides of the middle vertical beam (4) in a left-right mode, the two groups of fixing devices respectively comprise an oil cylinder (6), a lifting plate (7), an upper chuck (8), a rotating motor (9) and a lower chuck (10), the oil cylinder (6) is installed at the top end of the top plate (5), the bottom output end of the oil cylinder (6) penetrates through the top plate (5) and is connected with the top end of the lifting plate (7), go up the rotatable bottom of installing in lifter plate (7) of chuck (8), install in the bottom of supporting carousel (3) rotating electrical machines (9), the top output of rotating electrical machines (9) passes and supports carousel (3) and is connected with the bottom middle part of lower chuck (10), goes up chuck (8) and relative setting from top to bottom of lower chuck (10), polishing mechanism includes the horizontal migration device, installs the vertical migration device on the horizontal migration device and installs the burnishing device on the vertical migration device.

2. The valve shaft polishing machine according to claim 1, wherein a supporting device (11) for supporting valve shafts on two sides is arranged on the middle vertical beam (4), the supporting device (11) comprises a front support plate (12), a rear support plate (13), two sets of limiting optical shafts (14) and an adjusting screw rod (15), a rectangular hole (16) which is through from left to right is arranged in the middle of the middle vertical beam (4), two sets of front through holes which are through from front to back are arranged on the front support plate (12), two sets of rear through holes which are through from front to back are arranged on the rear support plate (13), a front threaded hole which is through from front to back is arranged in the middle of the front support plate (12), a rear threaded hole which is through from front to back is arranged in the middle of the rear support plate (13), front ends of the two sets of limiting optical shafts (14) respectively penetrate through the two sets of front through holes and are connected with a front side wall of the rectangular hole (16), and rear ends of the two sets of limiting optical shafts (14) respectively penetrate through the two sets of rear through holes and are connected with a rear side wall of the rectangular hole (16) Connect, the first half and the latter half of adjusting lead screw (15) are provided with first external screw thread structure and second external screw thread structure respectively, the rear end spiral shell dress of adjusting lead screw (15) pass back screw hole and with the back lateral wall rotatable coupling of rectangular hole (16), the front side of screw hole to middle vertical beam (4) before the front end spiral shell dress of adjusting lead screw (15) passes, the left end and the right-hand member of preceding extension board (12) all are provided with preceding supporting roll (17), the left end and the right-hand member of back extension board (13) all are provided with back supporting roll (18).

3. The valve shaft polishing machine according to claim 2, wherein the horizontal moving device comprises a horizontal sliding table (19) slidably mounted on the workbench (1), and a first motor (20) for driving the horizontal sliding table (19) transversely, the vertical moving device comprises a vertical mounting beam (21) mounted at the top end of the horizontal sliding table (19), a vertical sliding table (22) slidably mounted at the left end of the vertical mounting beam (21), and a second motor (23) for driving the vertical sliding table (22) up and down, and the polishing device comprises a polishing cutter (24) mounted at the left end of the vertical sliding table (22).

4. The valve shaft polishing machine according to claim 3, further comprising a fixing frame (25) and a fixing shaft (26), wherein the bottom end of the fixing frame (25) is fixedly connected with the left side of the top end of the workbench (1), the top of the fixing frame (25) is bent rightwards to form a transverse plate (27), the bottom end of the fixing shaft (26) is rotatably connected with the middle of the top end of the top plate (5), and the top end of the fixing shaft (26) is fixedly connected with the bottom end of the transverse plate (27).

5. A valve shaft polishing machine according to claim 4, characterized in that the front end of the adjusting screw (15) is provided with a rotating hand wheel (28).

6. The valve shaft polishing machine according to claim 5, wherein a reinforcing rib plate (29) for supporting the right end of the installation vertical beam (21) is arranged at the top end of the horizontal sliding table (19).

7. The valve shaft polishing machine according to claim 6, wherein the top of the left end and the top of the right end of the middle vertical beam (4) are provided with vertical linear guide rails (30), a sliding block (31) is arranged on the linear guide rails (30) in a sliding manner, and the sliding block (31) is connected with the lifting plate (7).