CN213795252U

CN213795252U - Hydrostatic pressure revolving stage

Info

Publication number: CN213795252U
Application number: CN202022666066.8U
Authority: CN
Inventors: 郑良钢; 陈铮; 周志科
Original assignee: Jiangsu Lingchen Precision Machinery Co Ltd
Current assignee: Jiangsu Lingchen Precision Machinery Co Ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-07-27
Anticipated expiration: 2030-11-18

Abstract

The utility model discloses a hydrostatic pressure revolving stage, including the installation cover, the inside fixed scarf joint of installation cover has hydrostatic pressure bearing, hydrostatic pressure bearing's the fixed axle core that has cup jointed of inner circle, the upper end fixedly connected with square pole of axle core, the draw-in groove has been seted up to the inside of axle core, the through-hole has been seted up to the lateral wall of installation cover, there is the seal cover inside of through-hole through the mounting screw, the inside fixedly connected with heat conduction piece of seal cover, the outer lane contact of heat conduction piece and hydrostatic pressure bearing, there is the end cover through the mounting screw on the installation cover. The utility model discloses a design heat conduction piece in hydrostatic bearing's contact, can absorb hydrostatic bearing's heat, and through the contact of heat conduction piece with the outside air, can play the radiating effect to the heat conduction piece to reach the heat dissipation to hydrostatic bearing, prevent it overheated, and the effect through the seal cover, can prevent that the dust from getting into in the installation cover.

Description

Hydrostatic pressure revolving stage

Technical Field

The utility model relates to a hydrostatic bearing technical field specifically is a hydrostatic revolving stage.

Background

The hydrostatic bearing means: the sliding bearing is supplied with pressure oil from the outside, and a static pressure bearing oil film is established in the bearing to realize liquid lubrication. The hydrostatic bearing works under the liquid lubrication all the time from the start to the stop, so the hydrostatic bearing has no abrasion, long service life and small start power and can be applied at an extremely low (even zero) speed. In addition, the bearing has the advantages of high rotation precision, high oil film rigidity, capability of inhibiting oil film oscillation and the like, but a special oil tank is required to supply pressure oil, the power consumption is high at high speed, and the operation of the hydrostatic pressure rotary table is driven by the hydrostatic pressure bearing.

When the current hydrostatic pressure rotary table is used, the temperature of the hydrostatic pressure bearing can be increased due to long-time working, the working stability of the hydrostatic pressure bearing can be influenced due to overheating, and the hydrostatic pressure rotary table is complex in installation mode and is inconvenient to disassemble and repair.

Disclosure of Invention

An object of the utility model is to provide a hydrostatic pressure revolving stage has solved the easy overheated problem of hydrostatic pressure bearing, has still solved the problem that the hydrostatic pressure revolving stage is not convenient for dismantle and overhaul.

In order to achieve the above object, the utility model provides a following technical scheme: a hydrostatic pressure rotary table comprises an installation sleeve, a hydrostatic pressure bearing is fixedly embedded in the installation sleeve, an inner ring of the hydrostatic pressure bearing is fixedly sleeved with a shaft core, the upper end of the shaft core is fixedly connected with a square rod, a clamping groove is formed in the shaft core, a through hole is formed in the side wall of the installation sleeve, a sealing sleeve is installed in the through hole through a screw, a heat conducting block is fixedly connected in the sealing sleeve and is in contact with the outer ring of the hydrostatic pressure bearing, an end cover is installed on the installation sleeve through a screw, a connecting disc is slidably sleeved on the outer side of the square rod and is in contact with the shaft core, a fastening screw is connected in the connecting disc through a thread, the tail end of the fastening screw is clamped with the shaft core, a rotary table is slidably sleeved on the outer side of the square rod and is in contact with the connecting disc, and a fastening bolt is connected in the connecting disc through a thread, the tail end of the fastening bolt is in threaded connection with the rotary table, a limiting groove is formed in the fastening bolt, a limiting plate is fixedly connected to the lower end of the rotary table, the limiting plate is in contact with the connecting disc, a limiting rod is connected to the inside of the limiting plate in a sliding mode, the tail end of the limiting rod is connected with the limiting groove in a clamping mode, a limiting block is fixedly sleeved on the outer side of the limiting rod, and the limiting block is in contact with the fastening bolt.

Preferably, the connecting disc is internally provided with a groove, and the inside of the groove is in contact connection with a shaft core.

Preferably, the outer side of the limiting rod is fixedly connected with a pull ring, and the pull ring is in contact with the limiting plate.

Preferably, the spring is sleeved on the outer side of the limiting rod in a sliding mode, and two ends of the spring are respectively in contact with the limiting block and the limiting plate.

Preferably, the number of the heat conduction blocks is four, and all four heat conduction blocks are in contact with the hydrostatic bearing.

Preferably, the number of the end covers is two, and the two end covers are respectively arranged at the upper end and the lower end of the mounting sleeve.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a design heat conduction piece in hydrostatic bearing's contact, can absorb hydrostatic bearing's heat, and through the contact of heat conduction piece with the outside air, can play the radiating effect to the heat conduction piece to reach the heat dissipation to hydrostatic bearing, prevent it overheated, and the effect through the seal cover, can prevent that the dust from getting into in the installation cover.

2. The utility model discloses a joint of design fastening screw and draw-in groove can be fixed axle core and connection pad, through the threaded connection of design fastening bolt and connection pad and revolving stage, can be fixed connection pad and revolving stage, and installation cover, connection pad and revolving stage can conveniently dismantle the maintenance, and is more convenient, can play the location effect to fastening bolt through gag lever post and fastening bolt's joint, prevents that fastening bolt's pine from taking off for the connection of revolving stage is more fastened.

Drawings

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

fig. 2 is a left side view of the mounting sleeve structure of fig. 1 according to the present invention;

FIG. 3 is an enlarged view of the structure of part A of FIG. 1 according to the present invention;

fig. 4 is an enlarged view of the structure of the part B of fig. 1 according to the present invention.

In the figure: 1. installing a sleeve; 2. a hydrostatic bearing; 3. a shaft core; 4. a through hole; 5. sealing sleeves; 6. a heat conducting block; 7. an end cap; 8. a square bar; 9. a card slot; 10. a connecting disc; 11. a groove; 12. fastening screws; 13. a turntable; 14. fastening a bolt; 15. a limiting groove; 16. a limiting plate; 17. a limiting rod; 18. a pull ring; 19. a limiting block; 20. a spring.

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.

Examples

Referring to fig. 1, 2, 3 and 4, a hydrostatic pressure rotary table comprises a mounting sleeve 1, a hydrostatic pressure bearing 2 is fixedly embedded in the mounting sleeve 1, a shaft core 3 is fixedly sleeved on an inner ring of the hydrostatic pressure bearing 2, a square rod 8 is fixedly connected to the upper end of the shaft core 3, a clamping groove 9 is formed in the shaft core 3, a through hole 4 is formed in the side wall of the mounting sleeve 1, a sealing sleeve 5 is installed in the through hole 4 through a screw, a heat conduction block 6 is fixedly connected to the inner part of the sealing sleeve 5, the heat conduction block 6 is contacted with an outer ring of the hydrostatic pressure bearing 2, an end cover 7 is installed on the mounting sleeve 1 through a screw, a connecting disc 10 is slidably sleeved on the outer side of the square rod 8, the connecting disc 10 is contacted with the shaft core 3, a fastening screw 12 is connected to the inner part of the connecting disc 10 through a thread, the tail end of the fastening screw 12 is clamped with the shaft core 3, a rotary table 13 is slidably sleeved on the outer side of the square rod 8, revolving stage 13 and connection pad 10 contact, there is fastening bolt 14 connection pad 10's inside through threaded connection, fastening bolt 14's tail end and revolving stage 13 pass through threaded connection, spacing groove 15 has been seted up to fastening bolt 14's inside, revolving stage 13's lower extreme fixedly connected with limiting plate 16, limiting plate 16 and connection pad 10 contact, limiting plate 16's inside sliding connection has gag lever post 17, the tail end and the 15 joint in spacing groove of gag lever post 17, stopper 19 has been cup jointed to the outside of gag lever post 17 is fixed, stopper 19 and fastening bolt 14 contact.

Referring to fig. 1 and 3, a groove 11 is formed in the connecting disc 10, and the shaft core 3 is connected to the inside of the groove 11 in a contacting manner. By designing the contact connection of the groove 11 and the shaft core 3, the connecting disc 10 and the shaft core 3 can be attached.

Referring to fig. 1 and 4, a pull ring 18 is fixedly connected to an outer side of the limiting rod 17, and the pull ring 18 contacts the limiting plate 16. By designing the pull ring 18, the pull ring 18 can drive the limiting rod 17 to move.

Referring to fig. 1 and 4, a spring 20 is slidably sleeved outside the limiting rod 17, and two ends of the spring 20 are respectively in contact with the limiting block 19 and the limiting plate 16. The spring 20 is designed so that the force of the spring 20 can act on the stopper 19.

Referring to fig. 1, the number of the heat conduction blocks 6 is four, and all of the four heat conduction blocks 6 are in contact with the hydrostatic bearing 2. By designing the heat-conducting block 6, the heat of the hydrostatic bearing 2 can be absorbed.

Referring to fig. 1, the number of the end caps 7 is two, and the two end caps 7 are respectively disposed at the upper end and the lower end of the mounting sleeve 1. By designing the end cap 7, the end cap 7 plays a sealing role for the mounting sleeve 1.

The utility model discloses the concrete implementation process as follows: when the rotary table 13 is required to be installed and used, the connecting disc 10 is firstly sleeved on the outer side of the shaft core 3, the square rod 8 penetrates through the connecting disc 10, then the fastening screw 12 is rotated, the fastening screw 12 is clamped with the clamping groove 9, the fixing of the connecting disc 10 is completed, then the rotary table 13 is sleeved on the outer side of the square rod 8, the rotary table 13 is contacted with the connecting disc 10, then the pull ring 18 is pulled outwards, the pull ring 18 drives the limiting rod 17 to move outwards, the limiting rod 17 drives the limiting block 19 to move, the limiting block 19 extrudes the spring 20, then the fastening bolt 14 is rotated, the fastening bolt 14 penetrates through the connecting disc 10, the tail end of the fastening bolt 14 is rotated into the rotary table 13, then the pull ring 18 is loosened, an inward reaction force is given to the limiting block 19 through the telescopic action of the compressed spring 20, the limiting block 19 drives the limiting rod 17 to move, and the tail end of the limiting rod 17 is clamped with the limiting groove 15, the installation of the rotary table 13 is completed, the fastening bolt 14 can be positioned by clamping the limiting rod 17 and the fastening bolt 14, the fastening bolt 14 is prevented from loosening, and the rotary table 13 is connected more tightly. Through the action of square bar 8, the torsion of rotation to fastening screw 12 and fastening bolt 14 can be reduced, and the stability of the operation of rotary table 13 is improved. When the disassembly and maintenance are needed, the pull ring 18 is pulled outwards, the pull ring 18 is separated from the fastening bolt 14, then the fastening bolt 14 is rotated, the fastening bolt 14 is separated from the connecting disc 10 and the rotary table 13, the rotary table 13 can be taken down, then the fastening screw 12 is rotated, the fastening screw 12 is separated from the shaft core 3, the connecting disc 10 can be taken down, and the disassembly and maintenance are convenient. When hydrostatic bearing 2 during operation, can produce the heat, if hydrostatic bearing 2 is overheated can influence the stability of work, contact through heat conduction piece 6 and hydrostatic bearing 2, can absorb hydrostatic bearing 2's heat, and through the contact of heat conduction piece 6 with the outside air, can play the radiating effect to heat conduction piece 6, thereby reach the heat dissipation to hydrostatic bearing 2, prevent hydrostatic bearing 2 overheated, and the effect through seal cover 5, can prevent that the dust from getting into in the installation cover 1.

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. The utility model provides a hydrostatic pressure revolving stage, includes installation cover (1), its characterized in that: the inner part of the mounting sleeve (1) is fixedly embedded with a hydrostatic bearing (2), an inner ring of the hydrostatic bearing (2) is fixedly sleeved with a shaft core (3), the upper end of the shaft core (3) is fixedly connected with a square rod (8), the inner part of the shaft core (3) is provided with a clamping groove (9), the side wall of the mounting sleeve (1) is provided with a through hole (4), a sealing sleeve (5) is mounted in the through hole (4) through a screw, the inner part of the sealing sleeve (5) is fixedly connected with a heat-conducting block (6), the heat-conducting block (6) is contacted with the outer ring of the hydrostatic bearing (2), an end cover (7) is mounted on the mounting sleeve (1) through a screw, a connecting disc (10) is slidably sleeved on the outer side of the square rod (8), the connecting disc (10) is contacted with the shaft core (3), the inner part of the connecting disc (10) is connected with a fastening screw (12) through a thread, the tail end of the fastening screw (12) is clamped with the shaft core (3), the outer side of the square rod (8) is sleeved with a rotary table (13) in a sliding manner, the rotary table (13) is in contact with the connecting disc (10), the inside of the connecting disc (10) is connected with a fastening bolt (14) through a thread, the tail end of the fastening bolt (14) is connected with the rotary table (13) through threads, a limit groove (15) is formed in the fastening bolt (14), the lower end of the rotary table (13) is fixedly connected with a limiting plate (16), the limiting plate (16) is contacted with the connecting disc (10), a limiting rod (17) is connected inside the limiting plate (16) in a sliding way, the tail end of the limiting rod (17) is clamped with the limiting groove (15), the outer side of the limiting rod (17) is fixedly sleeved with a limiting block (19), and the limiting block (19) is in contact with the fastening bolt (14).

2. A hydrostatic turret according to claim 1, wherein: the connecting disc (10) is internally provided with a groove (11), and the inside of the groove (11) is in contact connection with a shaft core (3).

3. A hydrostatic turret according to claim 1, wherein: the outer side of the limiting rod (17) is fixedly connected with a pull ring (18), and the pull ring (18) is in contact with the limiting plate (16).

4. A hydrostatic turret according to claim 1, wherein: the outside of gag lever post (17) slides and has cup jointed spring (20), the both ends of spring (20) contact with stopper (19) and limiting plate (16) respectively.

5. A hydrostatic turret according to claim 1, wherein: the number of the heat conduction blocks (6) is four, and the four heat conduction blocks (6) are all in contact with the hydrostatic bearing (2).

6. A hydrostatic turret according to claim 1, wherein: the number of the end covers (7) is two, and the two end covers (7) are respectively arranged at the upper end and the lower end of the installation sleeve (1).