CN211342781U

CN211342781U - Screw drill with self-lubricating function

Info

Publication number: CN211342781U
Application number: CN201921467028.0U
Authority: CN
Inventors: 徐永和; 王涛; 刘华文
Original assignee: Yancheng Xinyongjia Petroleum Machinery Manufacturing Co ltd
Current assignee: Yancheng Xinyongjia Petroleum Machinery Manufacturing Co ltd
Priority date: 2019-09-05
Filing date: 2019-09-05
Publication date: 2020-08-25
Anticipated expiration: 2029-09-05

Abstract

The utility model relates to a from lubricated screw rod drilling tool in area, including drilling rod and drill bit, the drill bit sets up in drilling rod one end, the screw rod drilling tool still includes lubricating mechanism, lubricating mechanism includes the piston board, pressure pole and handle, first cavity has been seted up to the inside one side of keeping away from the drill bit of drilling rod, piston board sliding connection is at first cavity inner wall, and divide into two upper and lower spaces of connecting through the nozzle with the cavity, and the space that is close to the drill bit is the enclosure space, the enclosure space is provided with the oiling mouth that is equipped with the check valve, the pressure pole runs through the drilling rod top, and the both ends of pressure pole respectively with piston board and handle fixed connection, can set up the oil pocket that holds lubricating oil in drilling rod inside, and utilize atmospheric pressure to spout lubricating oil, lubricate the.

Description

Screw drill with self-lubricating function

Technical Field

The utility model relates to a drilling tool equipment field specifically is a from lubricated screw rod drilling tool in area.

Background

Drilling tools refer to tools used in connection with drilling, boring, etc. Mainly comprises a drilling (well drilling) tool, a metallurgical furnace drilling tool and the like. The drill is a tool for drilling nozzles or blind holes in solid materials and for reaming existing holes. Commonly used drill bits mainly include twist drills, flat drills, center drills, deep hole drills, and trepanning drills. Reamers and reamers are not capable of drilling solid materials, but they are also traditionally classified as drills.

In the prior art, as CN206888914U discloses a screw drilling tool capable of reaming, a cylinder is utilized to cooperate with a double-connecting-rod mechanism to perform reaming operation on a drill rod, the equipment has the defects that on one hand, a drill bit generally needs to manually brush lubricating oil, the operation is inconvenient, on the other hand, the cylinder drives the double-connecting-rod mechanism to work, and the production cost is higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a from lubricated screw rod drilling tool in area to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a from lubricated screw rod drilling tool in area, includes drilling rod and drill bit, the drill bit sets up in drilling rod one end, and equipment still includes lubricated mechanism, lubricated mechanism includes piston plate, pressure pole and handle, the inside one side of keeping away from the drill bit of drilling rod has seted up first cavity, piston plate sliding connection is at first cavity inner wall to divide into the cavity upper and lower two spaces of connecting through the nozzle, and the space that is close to the drill bit is the enclosure space, and the enclosure space is provided with the oiling mouth that is equipped with the check valve, the pressure pole runs through the drilling rod top, and the both ends of pressure pole respectively with piston plate and handle fixed connection.

Preferably, the screw drill further comprises a soft pad; the soft pad is wrapped on the outer side of the handle.

Preferably, the screw drill further comprises perforations; the perforation is arranged at the bottom end of the drill rod.

Preferably, the screw drill further comprises a rod expanding mechanism; a second cavity is formed in one side, close to the drill bit, of the interior of the drill rod, and the rod expanding mechanism comprises a rotating shaft, a sliding block, a screw rod, a sleeve shaft, a sliding sleeve, a first connecting rod, a second connecting rod, a connecting rod and a ball nut pair; the screw rod rotates inside the second cavity through the pivot, the screw rod is located to the vice cover of ball nut, and fixes inside the slider, slider sliding connection is at second cavity inner wall, the sleeve shaft is fixed in drilling rod one end to the drill bit outside is located to the cover, sleeve shaft and pivot fixed connection, sliding sleeve sliding connection is epaxial at the sleeve, and through connecting rod and slider fixed connection, the one end of first connecting rod and second connecting rod all rotates through little connecting rod symmetry and connects on the sliding sleeve, the coaxial rotation of the other end of first connecting rod and second connecting rod is connected on the drill bit.

More preferably, the first link and the second link are identical in structure.

More preferably, the rod expanding mechanism further comprises a fastening bolt; the fastening bolt penetrates through the sliding sleeve and is abutted to the shaft sleeve.

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

1. the utility model can be provided with an oil cavity for containing lubricating oil inside the drill rod through the piston plate, the pressure rod and the handle, and the lubricating oil is sprayed out by utilizing the air pressure to lubricate the drill rod;

2. the utility model discloses a pivot, slider, screw rod, sleeve shaft, sliding sleeve, first connecting rod, second connecting rod, connecting rod and ball nut are vice, replace cylinder work through mechanical structure, carry out the reaming, have both enlarged the application range of equipment, have reduced the cost again, have reduced the cost.

Drawings

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

FIG. 2 is a schematic structural view of the expanding rod mechanism of the present invention;

fig. 3 is a schematic structural diagram of the middle lubrication mechanism of the present invention.

In the reference symbols: 1. a drill stem; 2. a nozzle; 3. a rod expanding mechanism; 4. a drill bit; 5. a lubrication mechanism; 31. a rotating shaft; 32. a slider; 33. a screw; 34. a sleeve shaft; 35. a sliding sleeve; 36. a first link; 37. a second link; 38. a connecting rod; 39. a ball nut pair; 51. a piston plate; 52. a pressure lever; 53. a handle; 351. and fastening the bolt.

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 efforts belong to the protection scope of the present invention.

Example one

Referring to fig. 1 and 3, a self-lubricating screw 33 drilling tool comprises a drill rod 1 and a drill bit 4, wherein the drill bit 4 is arranged at one end of the drill rod 1, the screw drilling tool further comprises a lubricating mechanism 5, the lubricating mechanism 5 comprises a piston plate 51, a pressure rod 52 and a handle 53, a first cavity is formed in one side, far away from the drill bit 4, of the interior of the drill rod 1, the piston plate 51 is connected to the inner wall of the first cavity in a sliding mode, the cavity is divided into an upper space and a lower space which are connected through a nozzle, the space close to the drill bit 4 is a closed space, an oil injection port provided with a one-way valve is formed in the closed space, the pressure rod 52 penetrates through the top end of the drill rod 1, and two ends of the pressure rod 52 are fixedly;

the screw drill further comprises a soft pad; the soft cushion is wrapped outside the handle 53;

the screw drill further comprises a through hole; the through hole is formed in the bottom end of the drill rod 1;

the working process is as follows: when the drill rod 1 is held, the handle 53 is pushed, the handle 53 pushes the piston plate 51 to move towards the direction of compressing the closed space through the pressure rod 52, negative pressure is generated inside the closed space, and the negative pressure pushes lubricating oil to move towards the direction of the drill bit 4 through the nozzle and lubricate the drill bit 4.

Example two

As a preferable scheme of the first embodiment, referring to fig. 1 and fig. 2, the screw drill further includes a rod expanding mechanism 3; a second cavity is formed in one side, close to the drill bit 4, of the interior of the drill rod 1, and the rod expanding mechanism 3 comprises a rotating shaft 31, a sliding block 32, a screw 33, a sleeve shaft 34, a sliding sleeve 35, a first connecting rod 36, a second connecting rod 37, a connecting rod 38 and a ball nut pair 39; the screw 33 rotates inside the second cavity through the rotating shaft 31, the ball nut pair 39 is sleeved on the screw 33 and fixed inside the sliding block 32, the sliding block 32 is slidably connected to the inner wall of the second cavity, the sleeve shaft 34 is fixed at one end of the drill rod 1 and sleeved outside the drill bit 4, the sleeve shaft 34 is fixedly connected with the rotating shaft 31, the sliding sleeve 35 is slidably connected to the sleeve shaft 34 and fixedly connected with the sliding block 32 through the connecting rod 38, one ends of the first connecting rod 36 and the second connecting rod 37 are symmetrically and rotatably connected to the sliding sleeve 35 through small connecting rods, and the other ends of the first connecting rod 36 and the second connecting rod 37 are coaxially and rotatably connected to the drill bit 4;

the first connecting rod 36 and the second connecting rod 37 have the same structure;

further comprises a fastening bolt 351; the fastening bolt 351 penetrates through the sliding sleeve 35 and is abutted against the shaft sleeve;

the working process is as follows: the shaft sleeve is rotated, the shaft sleeve drives the screw rod 33 to rotate through the rotating shaft 31, the screw rod 33 drives the ball nut pair 39 to rotate, the sliding block 32 is driven to slide up and down on the inner wall of the second cavity, the sliding sleeve 35 is driven to slide up or down on the sleeve shaft 34 through the connecting rod 38 in the sliding process, the first connecting rod 36 or the second connecting rod 37 is driven to move towards the direction that the included angle is reduced or increased through the transmission of the small connecting rod, the purpose of hole shrinkage or hole expansion is achieved, and the limit is performed through the fastening bolt 351.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 from lubricated screw rod drilling tool in area, includes drilling rod (1) and drill bit (4), drill bit (4) set up in drilling rod (1) one end, its characterized in that: the screw drilling tool further comprises a lubricating mechanism (5), wherein the lubricating mechanism (5) comprises a piston plate (51), a pressure rod (52) and a handle (53), a first cavity is formed in one side, away from the drill bit (4), of the drill rod (1), the piston plate (51) is connected to the inner wall of the first cavity in a sliding mode, the cavity is divided into an upper space and a lower space which are connected through a nozzle, the space close to the drill bit (4) is a closed space, the closed space is provided with an oil filling port provided with a one-way valve, the pressure rod (52) penetrates through the top end of the drill rod (1), and the two ends of the pressure rod (52) are fixedly connected with the piston plate (51) and the handle (53) respectively.

2. The self-lubricating progressive cavity drill of claim 1, wherein: the screw drill further comprises a soft pad; the soft pad is wrapped outside the handle (53).

3. The self-lubricating progressive cavity drill of claim 1, wherein: the screw drill further comprises a through hole; the perforation is arranged at the bottom end of the drill rod (1).

4. The self-lubricating progressive cavity drill of claim 1, wherein: the screw drill further comprises a rod expanding mechanism (3); a second cavity is formed in one side, close to the drill bit (4), of the interior of the drill rod (1), and the rod expanding mechanism (3) comprises a rotating shaft (31), a sliding block (32), a screw rod (33), a sleeve shaft (34), a sliding sleeve (35), a first connecting rod (36), a second connecting rod (37), a connecting rod (38) and a ball nut pair (39); screw rod (33) rotate inside the second cavity through pivot (31), screw rod (33) is located to the vice (39) cover of ball nut, and fixes inside slider (32), slider (32) sliding connection is at second cavity inner wall, jackshaft (34) are fixed in drilling rod (1) one end to the drill bit (4) outside is located to the cover, jackshaft (34) and pivot (31) fixed connection, sliding sleeve (35) sliding connection is on jackshaft (34), and through connecting rod (38) and slider (32) fixed connection, the one end of first connecting rod (36) and second connecting rod (37) all rotates through little connecting rod symmetry and connects on sliding sleeve (35), the other end coaxial rotation of first connecting rod (36) and second connecting rod (37) is connected on drill bit (4).

5. The self-lubricating progressive cavity drill of claim 4, wherein: the first connecting rod (36) and the second connecting rod (37) are identical in structure.

6. The self-lubricating progressive cavity drill of claim 4, wherein: the rod expanding mechanism (3) further comprises a fastening bolt (351); the fastening bolt (351) penetrates through the sliding sleeve (35) and is abutted against the shaft sleeve.