CN217492790U - Drilling device for crankshaft of compressor - Google Patents

Abstract

The utility model discloses a compressor crankshaft drilling device, including the top fixed mounting have the drum of drilling subassembly and set up the fixed subassembly in the drum, the drilling subassembly includes that the bottom movably installs the loading board of bottom plate, the bottom of bottom plate is fixed mounting in the middle of has the box, the bottom of box is rotatable to be installed the drilling rod, set up the inner chamber in the middle of in the drilling rod, the top symmetry fixed mounting of bottom plate has air pump and water pump, air pump and water pump are connected with respectively and extend into the box and point to trachea and the cooling tube that the inner chamber set up, fixed mounting has the drive wheel on the top outer fringe face of drilling rod, and one side fixed mounting of bottom plate has the motor, the motor passes through motor shaft fixed connection has the drive wheel, is connected with driving belt between the outer fringe face of drive wheel and drive wheel, this compressor crankshaft drilling device, rational in infrastructure, the metal chips in the holes are blown out conveniently in the machining process, and the practicability is high.

Description

Drilling device for crankshaft of compressor

Technical Field

The utility model belongs to the technical field of bent axle drilling processing, concretely relates to compressor crankshaft drilling equipment.

Background

The crankshaft is a power transmission part of the piston compressor, external power of the motor and the like is transmitted to the compressor through the crankshaft, the crankshaft drives another compressor part connecting rod arranged on the crankshaft to convert rotary motion into reciprocating motion, and therefore the piston compressor works, and the crankshaft end face of the compressor needs to be drilled in the production process.

At present bent axle need be to its processing of driling when production, and current drilling equipment is not convenient for blow off downthehole metal piece when using, and metal piece produces violent friction with the pore wall under the high-speed rotation of drilling rod drives, leads to the increase of aperture internal diameter error easily, influences the requirement to the precision in the follow-up assembling process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor crankshaft drilling equipment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme does:

a drilling device for a compressor crankshaft comprises a cylinder with a drilling assembly fixedly mounted at the top and a fixing assembly arranged in the cylinder;

the drilling assembly comprises a bearing plate, the bottom of which is movably provided with a bottom plate, a box body is fixedly arranged in the middle of the bottom plate, a drill rod is rotatably arranged at the bottom of the box body, and an inner cavity is formed in the middle of the drill rod;

the top of the bottom plate is symmetrically and fixedly provided with an air pump and a water pump, and the air pump and the water pump are respectively connected with an air pipe and a cooling pipe which extend into the box body and point to the inner cavity.

Further, a driving wheel is fixedly mounted on the outer edge face of the top end of the drill rod, an electric motor is fixedly mounted on one side of the base plate and fixedly connected with a driving wheel through a motor shaft, a transmission belt is connected between the driving wheel and the outer edge face of the driving wheel, and a through groove for extending the transmission belt is formed in the bottom of one side of the box body.

Further, the lower terminal surface symmetry fixed mounting of loading board has the backup pad, and the up end fixed mounting between two parties of loading board has electric telescopic handle, the one end fixed connection of loading board is kept away from to the backup pad in the drum, electric telescopic handle's member passes loading board and fixed connection in the up end of bottom plate.

Furthermore, a liquid discharge hole is formed in the bottom of the outer edge surface of the cylinder, a liquid discharge barrel is fixedly mounted in the liquid discharge hole, and a valve is fixedly mounted on the outer edge surface of the liquid discharge barrel.

Further, fixed subassembly includes that the inside symmetry is provided with the solid fixed ring of arc splint, but the symmetry is rotatable to be installed on solid fixed ring's the outer fringe face and is constructed the connecting plate by annular array, the one end fixed connection in the inner wall of drum that solid fixed ring was kept away from to the connecting plate, but the knob towards solid fixed ring's one end fixed mounting placed in the middle has the screw thread axle that the spiral was twisted solid fixed ring, but screw thread axle rotatable coupling is in arc splint.

Compared with the prior art, the utility model discloses following beneficial effect has: benefit from the air pump, the water pump, the box, the setting of drilling rod and inner chamber, in the course of working of driling the bent axle through the drilling rod, can extract outside air through the air pump, and blow into the inner chamber through the trachea, thereby blow off downthehole metal piece, reduce the influence to bent axle drilling machining precision, and can extract outside coolant liquid through the water pump, the coolant liquid passes through the cooling tube and enters into the inner chamber, it is downthehole to send into the coolant liquid through the inner chamber, be favorable to promoting and provide better cooling effect in the course of working of driling.

Drawings

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

fig. 2 is a schematic structural view of the drilling assembly of the present invention;

fig. 3 is a cross-sectional view of the drilling assembly of the present invention;

fig. 4 is a schematic structural view of the fixing assembly of the present invention.

In the figure: 1. a cylinder; 2. a liquid discharge barrel; 3. a valve; 4. a fixing component; 401. a fixing ring; 402. a knob; 403. an arc-shaped splint; 404. a connecting plate; 5. a drilling assembly; 501. a carrier plate; 502. a support plate; 503. an electric telescopic rod; 504. a box body; 505. an air pump; 506. a water pump; 507. a drill stem; 508. An inner cavity; 509. a driving wheel; 510. an electric motor; 511. and a driving wheel.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a drilling device for a compressor crankshaft comprises a cylinder 1 with a drilling assembly 5 fixedly mounted at the top and a fixing assembly 4 arranged in the cylinder 1;

the drilling assembly 5 comprises a bearing plate 501 with a bottom plate movably arranged at the bottom, a box body 504 is fixedly arranged in the middle of the bottom plate, a drill rod 507 is rotatably arranged at the bottom of the box body 504, in the specific implementation, a drill bit can be constructed at the bottom of the drill rod 507, hole grooves are formed in the outer edge surface of one end, facing the drill bit, of the drill rod 507 at equal intervals and used for discharging gas and cooling liquid, and an inner cavity 508 is formed in the middle of the drill rod 507;

the top symmetry fixed mounting of bottom plate has air pump 505 and water pump 506, air pump 505 and water pump 506 are connected with respectively and extend into box 504 and the trachea and the cooling tube of directional inner chamber 508 setting, in the concrete implementation, the cooling tube can external coolant liquid, be used for lowering the temperature in drilling course of working, benefit from air pump 505, water pump 506, box 504, drilling rod 507 and the setting of inner chamber 508, in the drilling course to the bent axle through drilling rod 507, can extract outside air through air pump 505, and blow in the inner chamber 508 through the trachea, thereby blow off downthehole metal piece, reduce the influence to bent axle drilling machining precision, and can extract outside coolant liquid through water pump 506, the coolant liquid passes through the cooling tube and enters into the inner chamber 508, through the inner chamber 508 with the coolant liquid direct feed-in downthehole, be favorable to promoting and provide better cooling effect in drilling course of working.

Wherein, fixed mounting has drive wheel 509 on the top outer fringe face of drilling rod 507, and one side fixed mounting of bottom plate has motor 510, and motor 510 is connected with drive wheel 511 through motor shaft fixedly connected with, is connected with driving belt between the outer fringe face of drive wheel 511 and drive wheel 509, and the logical groove that supplies driving belt to extend is seted up to one side bottom of box 504.

Wherein, the lower terminal surface symmetry fixed mounting of loading board 501 has backup pad 502, and loading board 501's up end fixed mounting has electric telescopic handle 503 between two parties, and loading board 501 was kept away from to backup pad 502 one end fixed connection in drum 1, and electric telescopic handle 503's member passes loading board 501 and fixed connection in the up end of bottom plate.

Wherein, the liquid discharge hole has been seted up to drum 1's outer fringe face bottom, and liquid discharge bucket 2 is fixed to be installed in the liquid discharge hole, and fixed mounting has valve 3 on the outer fringe face of liquid discharge bucket 2.

Wherein, fixed subassembly 4 includes that inside symmetry is provided with the solid fixed ring 401 of arc splint 403, during the concrete implementation, fixed subassembly 4 can be in the fixed multiunit that sets up of equidistance in drum 1, a stability for promoting to the bent axle is fixed, but fixed ring 401's outer fringe face symmetry is last to be installed knob 402, and it constructs to be annular array on fixed ring 401's the outer fringe face has connecting plate 404, the one end fixed connection of fixed ring 401 is kept away from to connecting plate 404 in the inner wall of drum 1, but knob 402 towards the fixed ring 401's of fixed ring 401 one end fixed mounting placed in the middle of has the screw thread axle that the spiral was screwed into solid fixed ring 401, but screw thread axle swivelling joint is in arc splint 403.

The working principle is as follows: the compressor crankshaft drilling device can place a crankshaft in a fixing ring 401 during use, then a knob 402 is rotated to enable a threaded shaft to rotate and push an arc-shaped clamping plate 403 to move, so that the arc-shaped clamping plate 403 clamps the outer edge surface of the crankshaft to realize the fixation of the crankshaft, when the crankshaft is drilled, a motor 510 can be started, a motor shaft of the motor 510 rotates to drive a driving wheel 511 to rotate, a driving wheel 509 is driven to rotate through a driving belt to drive a drilling rod 507 to rotate, then the electric telescopic rod 503 is started to enable a rod piece of the electric telescopic rod 503 to stretch out to push a bottom plate to move, so that the drilling rod 507 is abutted against the cross section of the crankshaft to be drilled, in the process of drilling the crankshaft through the drilling rod 507, external air can be extracted through an air pump 505 and blown into an inner cavity 508 through an air pipe, so that metal fragments in the hole are blown out, the influence of reduction to bent axle drilling machining precision, and can extract outside coolant liquid through water pump 506, the coolant liquid passes through the cooling tube and enters into inner chamber 508, send into the coolant liquid through inner chamber 508 is direct downthehole, is favorable to promoting to provide better cooling effect in the drilling course of working, this compressor bent axle drilling equipment, rational in infrastructure, be convenient for blow off downthehole metal piece in the course of working, the practicality is strong.

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 understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (5)

1. A drilling device for a compressor crankshaft comprises a cylinder (1) and a fixing assembly (4), wherein a drilling assembly (5) is fixedly mounted at the top of the cylinder (1);

the method is characterized in that: the drilling assembly (5) comprises a bearing plate (501) with a bottom plate movably arranged at the bottom, a box body (504) is fixedly arranged in the middle of the bottom plate, a drill rod (507) is rotatably arranged at the bottom of the box body (504), and an inner cavity (508) is arranged in the middle of the drill rod (507);

the top of the bottom plate is symmetrically and fixedly provided with an air pump (505) and a water pump (506), and the air pump (505) and the water pump (506) are respectively connected with an air pipe and a cooling pipe which extend into the box body (504) and point to the inner cavity (508).

2. The compressor crankshaft drilling assembly of claim 1, wherein: fixed mounting has drive wheel (509) on the top outer fringe face of drilling rod (507), one side fixed mounting of bottom plate has motor (510), motor (510) are through motor shaft fixedly connected with drive wheel (511), be connected with driving belt between the outer fringe face of drive wheel (509) and drive wheel (511), the logical groove that supplies the driving belt extension is seted up to one side bottom of box (504).

3. The compressor crankshaft drilling assembly of claim 2, wherein: the lower terminal surface symmetry fixed mounting of loading board (501) has backup pad (502), and the up end fixed mounting placed in the middle of loading board (501) has electric telescopic handle (503), the one end fixed connection in drum (1) of loading board (501) is kept away from in backup pad (502), electric telescopic handle (503)'s member passes loading board (501) and fixed connection in the up end of bottom plate.

4. The compressor crankshaft drilling assembly of claim 1, wherein: the liquid discharging device is characterized in that a liquid discharging hole is formed in the bottom of the outer edge surface of the cylinder (1), a liquid discharging barrel (2) is fixedly mounted in the liquid discharging hole, and a valve (3) is fixedly mounted on the outer edge surface of the liquid discharging barrel (2).

5. The compressor crankshaft drilling assembly of claim 1, wherein: fixed subassembly (4) are provided with solid fixed ring (401) of arc splint (403) including inside symmetry, but the symmetry is rotatable to be installed on the outer fringe face of solid fixed ring (401) knob (402), and is the annular array on the outer fringe face of solid fixed ring (401) and construct connecting plate (404), the one end fixed connection in the inner wall of drum (1) of solid fixed ring (401) is kept away from in connecting plate (404), but knob (402) towards the one end fixed mounting between two parties of solid fixed ring (401) have the screw thread axle of the solid fixed ring (401) of spiral screw-in, screw thread axle rotatable coupling is in arc splint (403).

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