CN212329731U

CN212329731U - Portable valve boring device

Info

Publication number: CN212329731U
Application number: CN202021115529.5U
Authority: CN
Inventors: 王峰; 孙毅; 左军; 窦晓宇; 方艳庆
Original assignee: Youte Machinery Tools Dalian Co ltd
Current assignee: Youte Machinery Tools Dalian Co ltd
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-01-12
Anticipated expiration: 2030-06-17

Abstract

The utility model relates to a machining equipment field provides a portable valve bore hole device, include: the automatic boring machine comprises a main shaft, a main shaft sleeve, a fixed base, a pneumatic motor and an automatic boring head; the main shaft is combined and arranged in a main shaft sleeve through a plurality of bearings, and the main shaft sleeve is connected inside the fixed base through threads; the upper end of the main shaft sleeve is provided with a pneumatic motor, and an output shaft of the pneumatic motor is connected with the top of the main shaft; the bottom of the main shaft is fixedly provided with an automatic boring head; the bottom of the main shaft sleeve is respectively provided with a boring head movable pin and a boring head fixed pin. The utility model discloses can improve work efficiency, practice thrift the cost.

Description

Portable valve boring device

Technical Field

The utility model relates to a machining equipment field especially relates to a portable valve bore hole device.

Background

The valve is widely applied to industry and agriculture. Along with the development of the industry, the requirement on the machining precision of the valve is higher and higher, the repair of the sealing surface of the valve is important and large-quantity work, the main repair method is grinding, the sealing surface which is seriously abraded is subjected to surfacing welding, turning and then grinding, the sealing surface of the valve is subjected to boring machining, and the machining operation is generally performed by a boring machine at present.

However, the existing boring machine has large volume, heavy weight, low working efficiency and uneven processing precision; the machine tool can only process the workpiece clamped on the machine tool, the machine tool is fixed and cannot move, and the application has great limitation and directly influences the production work of enterprises.

SUMMERY OF THE UTILITY MODEL

The utility model discloses mainly solve prior art's boring machine work efficiency low, use the technical problem who has the limitation, provide a portable valve boring device, the mountable carries out the boring processing to valve body sealing face and flange face on the valve flange, can improve work efficiency, practices thrift the cost.

The utility model provides a portable valve bore hole device, include: the automatic boring machine comprises a main shaft (6), a main shaft sleeve (4), a fixed base (1), a pneumatic motor (7) and an automatic boring head (9);

the main shaft (6) is arranged in the main shaft sleeve (4) through a plurality of bearing combinations, and the main shaft sleeve (4) is connected to the inside of the fixed base (1) through threads; the upper end of the main shaft sleeve (4) is provided with a pneumatic motor (7), and an output shaft of the pneumatic motor (7) is connected with the top of the main shaft (6);

an automatic boring head (9) is fixedly arranged at the bottom of the main shaft (6);

the bottom of the main shaft sleeve (4) is respectively provided with a boring head movable pin (10) and a boring head fixed pin (11).

Preferably, a plurality of fixing claw connecting holes are formed in the circumferential direction of the outer side of the fixing base (1), fixing claws (2) are installed in the fixing claw connecting holes, bolt holes are formed in the end portions of the fixing claws (2), and fixing bolts (3) can be installed in the bolt holes.

Preferably, at least one feeding handle (8) is arranged at the top end of the outer part of the spindle sleeve (4).

Preferably, a copper sleeve (5) is arranged between the upper end and the lower end of the main shaft sleeve (4) and the fixed base (1).

Preferably, a locking perforated flange (12) is fixedly mounted at the upper end of the fixed base (1), and a relative locking expansion sleeve (13) is arranged between the locking perforated flange (12) and the spindle sleeve (4).

Preferably, a threaded locking ring (14) is connected inside the locking perforated flange (12), and the threaded locking ring 14 is positioned below the locking expansion sleeve (13);

the outer part of the threaded locking ring (14) is uniformly provided with a plurality of locking handles (15), and the locking handles (15) extend out of the opening of the locking opening flange (12).

Preferably, the plurality of bearing combinations comprises: the deep groove ball bearing (16), the thrust ball bearing (17) and a pair of angular contact ball bearings (18) which are arranged back to back on the main shaft (6) are arranged from top to bottom in sequence.

The utility model provides a pair of portable valve bore hole device, its structure is ingenious, reasonable in layout, when needs carry out boring to the valve man-hour, fixing bolt on the usable fixes equipment on the valve flange steadily, and through accurate feed mechanism and actuating mechanism, carry out high accuracy bore hole processing to the valve, and this equipment is applicable in the not unidimensional valve machining operation of certain extent, and easy and simple to handle is swift, the liberation labour, and the work efficiency is improved, and the cost is saved, the current situation has been improved, greatly satisfy customer's demand. The utility model discloses can be applicable to various trades such as industry, agriculture, market prospect is very wide.

Drawings

Fig. 1 is a schematic structural diagram of a portable valve boring device provided by the present invention;

FIG. 2 is a front sectional view of the portable valve boring device of the present invention;

fig. 3 is a top view of the portable valve boring device of the present invention;

fig. 4a-d are schematic diagrams of the application of the portable valve boring device of the present invention.

Reference numerals: 1-a fixed base, 2-a fixed claw, 3-a fixed bolt, 4-a main shaft sleeve, 5-a copper sleeve, 6-a main shaft, 7-a pneumatic motor, 8-a feed handle, 9-an automatic boring head, 10-a movable boring head pin, 11-a fixed boring head pin, 12-a locking perforated flange, 13-a locking expansion sleeve, 14-a threaded locking ring and 15-a locking handle; 16-deep groove ball bearings; 17-a thrust ball bearing; 18-angular contact ball bearing.

Detailed Description

In order to make the technical problem solved by the present invention, the technical solution adopted by the present invention and the technical effect achieved by the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present invention are shown in the drawings.

Fig. 1 is a schematic structural diagram of a portable valve boring device provided by the present invention; FIG. 2 is a front sectional view of the portable valve boring device of the present invention; fig. 3 is a top view of the portable valve boring device of the present invention. As shown in fig. 1-3, the embodiment of the utility model provides a portable valve bore hole device includes: the automatic boring machine comprises a main shaft 6, a main shaft sleeve 4, a fixed base 1, a pneumatic motor 7 and an automatic boring head 9.

The main shaft 6 is arranged in the main shaft sleeve 4 through a plurality of bearing combinations, and the main shaft sleeve 4 is connected to the inside of the fixed base 1 through threads; the upper end of the main shaft sleeve 4 is provided with a pneumatic motor 7, and an output shaft of the pneumatic motor 7 is connected with the top of the main shaft 6 through a key. Wherein the plurality of bearing combinations comprise: a deep groove ball bearing 16, a thrust ball bearing 17 and a pair of angular contact ball bearings 18 which are arranged back to back on the main shaft 6 from top to bottom in sequence.

The bottom of the main shaft 6 is fixedly provided with an automatic boring head 9; the bottom of the main shaft sleeve 4 is respectively provided with a boring head movable pin 10 and a boring head fixed pin 11. The boring head fixing pin 11 is fixedly connected with the automatic boring head 9, and the boring head movable pin 10 can be movably inserted into or pulled out of the automatic boring head 9. And inserting the boring head movable pin 10, automatically feeding the automatic boring head 9 in the radial direction, extracting the movable boring head pin 10, and stopping the automatic feeding of the automatic boring head 9 in the radial direction. At least one feeding handle 8 is arranged at the top end of the outer part of the spindle sleeve 4. And a copper sleeve 5 is arranged between the upper end and the lower end of the main shaft sleeve 4 and the fixed base 1.

A plurality of fixed claw connecting holes are formed in the circumferential direction of the outer side of the fixed base 1, and fixed claws 2 are arranged in the fixed claw connecting holes. In the embodiment, six connecting holes of the fixing claw are arranged, wherein four connecting holes are uniformly distributed in the circumferential direction to realize quartering; the other two fixed claw connecting holes are arranged beside the group of opposite fixed claw connecting holes and are trisected with the other fixed claw connecting hole; the distribution mode of the connecting holes is trisection and quarteration, and the mounting positions and the number of the fixing claws 2 can be adjusted according to working conditions so as to be suitable for flanges of various specifications. The end part of the fixing claw 2 is provided with a bolt hole, and a fixing bolt 3 can be installed in the bolt hole. The upper end of the fixed base 1 is fixedly provided with a locking perforated flange 12, and a relative locking expansion sleeve 13 is arranged between the locking perforated flange 12 and the spindle sleeve 4. The locking perforated flange 12 is internally connected with a threaded locking ring 14 through threads, and the threaded locking ring 14 is positioned below the locking expansion sleeve 13; a plurality of locking handles 15 are uniformly arranged outside the threaded locking ring 14, and the locking handles 15 extend out of the opening of the locking opening flange 12.

The utility model provides a portable valve bore hole device's working process: fig. 4a-d are schematic diagrams of the application of the portable valve boring device of the present invention. As shown in fig. 4, the equipment is fixed on the flange of the valve to be processed by the fixing bolt 3 (by adjusting the installation position and number of the fixing claws 2 to be suitable for flanges of different specifications and sizes), the feeding handle 8 is rotated, the spindle sleeve 4 and all mechanisms thereon can be driven to axially move in the fixing base 1 as the spindle sleeve 4 is in threaded connection with the fixing base 1, when the locking handle 15 is pulled to a proper position, the threaded locking ring 14 is in threaded connection with the locking hole opening flange 12, the threaded locking ring 14 axially moves to push the locking expansion sleeve 13 above the locking expansion sleeve to axially move, and the locking expansion sleeve 13 is in a conical design, so that the locking expansion sleeve 13 is locked on the outer wall of the spindle sleeve 4, and the spindle sleeve 4 can not axially slide any more. The pneumatic motor 7 can drive the main shaft 6 and all the mechanisms on the main shaft to rotate, and the automatic boring head 9 is used for boring the valve.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or some or all of the technical features may be equivalently replaced, without substantially departing from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A portable valve boring device, comprising: the automatic boring machine comprises a main shaft (6), a main shaft sleeve (4), a fixed base (1), a pneumatic motor (7) and an automatic boring head (9);

2. The portable valve boring device according to claim 1, wherein a plurality of fixing jaw coupling holes are formed in the outer circumferential direction of the fixing base (1), the fixing jaws (2) are mounted in the fixing jaw coupling holes, bolt holes are formed in the end portions of the fixing jaws (2), and fixing bolts (3) can be mounted in the bolt holes.

3. A portable valve boring device according to claim 1, wherein the spindle cover (4) mounts at least one feed handle (8) at its outer top end.

4. A portable valve boring device according to claim 1, wherein copper sleeves (5) are provided between the upper and lower ends of the spindle sleeve (4) and the fixed base (1).

5. A portable valve boring device according to claim 1 or 4, wherein a locking open-hole flange (12) is fixedly mounted at the upper end of the fixed base (1), and an opposite locking expansion sleeve (13) is arranged between the locking open-hole flange (12) and the spindle sleeve (4).

6. The portable valve boring device according to claim 5, wherein the locking open-hole flange (12) is internally connected with a threaded locking ring (14), and the threaded locking ring (14) is positioned below the locking expansion sleeve (13);

7. The portable valve boring device of claim 1, wherein the plurality of bearing assemblies comprises: the deep groove ball bearing (16), the thrust ball bearing (17) and a pair of angular contact ball bearings (18) which are arranged back to back on the main shaft (6) are arranged from top to bottom in sequence.