CN218555670U

CN218555670U - Drilling machine is used in machine part processing

Info

Publication number: CN218555670U
Application number: CN202222476384.7U
Authority: CN
Inventors: 卢林芮; 唐运祝; 韦显庆
Original assignee: Liuzhou Wanrui Mechanical Equipment Co ltd
Current assignee: Liuzhou Wanrui Mechanical Equipment Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-03-03
Anticipated expiration: 2032-09-19

Abstract

The utility model relates to a drilling machine is used in machining of machine parts, belong to drilling machine technical field, it includes the drilling machine main shaft, the drill bit, connecting seat and connecting axle, the connecting axle is used for the rotation between drilling machine frame and the connecting seat to be connected, constitute power through the linkage between drilling machine main shaft and the connecting seat and be connected and when the drilling machine main shaft pulls the drill bit feed, continue to output power to the connecting seat through the linkage, the outside coaxial ring of drill bit has the collar that is the donut shape, realize being connected through the connecting rod between collar and the connecting seat, slidable mounting has nozzle and sliding direction to be the circumferencial direction of collar on the collar, under the initial condition, the play water end of nozzle is close to the bottom of drill bit and stretches into the screw thread inslot of drill bit.

Description

Drilling machine is used in machine part processing

Technical Field

The utility model relates to a drilling machine technical field, concretely relates to drilling machine is used in machining of machine parts.

Background

The drilling machine refers to a machine tool for processing holes on a workpiece by using a drill bit, generally, the drilling machine rotates at a high speed while feeding along an axial direction, so as to realize drilling, in the drilling process of the workpiece, the drill bit generates heat by rubbing with the workpiece, a large amount of heat is generated, and the drill bit needs to be watered to dissipate heat and cool.

SUMMERY OF THE UTILITY MODEL

For solving the problem mentioned in the above-mentioned background, the utility model provides a drilling machine is used in machine parts processing.

In order to achieve the technical purpose, the utility model adopts the following technical scheme.

A drilling machine for machining mechanical accessories comprises a drilling machine main shaft, a drill bit, a connecting seat and a connecting shaft, wherein the connecting shaft is used for rotationally connecting a drilling machine frame and the connecting seat;

the outside coaxial ring of drill bit has the collar that is the ring shape, realizes being connected through the connecting rod between collar and the connecting seat, and slidable mounting has the nozzle on the collar and the slip direction is the circumferencial direction of collar, and under initial condition, the play water end of nozzle is close to the bottom of drill bit and stretches into the thread sword inslot of drill bit.

Further, the up end of connecting seat is provided with the spread groove, the terminal surface is provided with down the spread groove down, goes up the spread groove and communicates with each other with lower spread groove coaxial arrangement, and the diameter of going up the spread groove is greater than the diameter of spread groove down, and the bottom of connecting axle is passed through bearing coaxial arrangement in last spread groove, the top is connected with the drilling machine frame, and the connecting axle is the diameter that hollow shaft shape and internal diameter are less than spread groove down.

Furthermore, the drilling machine main shaft and the connecting shaft are coaxially arranged, the diameter of the drilling machine main shaft is smaller than the inner diameter of the connecting shaft, the bottom end of the drilling machine main shaft penetrates through the lower connecting groove, and the linkage piece is arranged between the lower connecting groove and the drilling machine main shaft.

Furthermore, interlock spare is including setting up the internal spline on the spread groove under and setting up the external spline on the drilling spindle.

Furthermore, the upper end face of the mounting ring is provided with a sliding rail, the sliding rail is in a circular rail shape which is coaxially arranged with the mounting ring, a sliding seat is slidably mounted on the sliding rail, and the nozzle is arranged on the sliding seat.

Furthermore, the water inlet end of the nozzle is communicated with a water supply system.

Furthermore, the water inlet end of the nozzle is communicated with the water pump.

Furthermore, a rotary joint is arranged on the lower end face of the connecting seat and is coaxially arranged with the drilling machine spindle, the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle through a water pipe a, and the water inlet end of the rotary joint is communicated with the water outlet end of the water pump.

Compared with the prior art, the utility model, beneficial effect lies in:

in the scheme, only the relative displacement in the vertical direction is generated between the connecting seat and the drill bit, so that only the relative displacement is generated between the mounting ring and the drill bit, and the relative downward movement of the drill bit during drilling can push the nozzle to move along the circumferential direction of the slide rail by the groove wall of the thread groove, namely, in the drilling process, the water outlet end of the nozzle is always positioned in the thread groove and only the position in the thread groove is changed;

meanwhile, the water pump supplies water to the nozzle, water flows into the thread cutter groove of the drill bit through the water outlet end of the nozzle, and the water outlet end of the nozzle is always located in the thread cutter groove and close to the surface of a workpiece, so that the water smoothly flows downwards along the thread cutter groove into the drill hole, heat generated in the drilling process is dissipated, and compared with the prior art mentioned in the background technology, the water almost flows into the drill hole along the thread cutter groove in the scheme, no waste is generated, the surrounding processing environment cannot be influenced, and the heat dissipation effect is good.

Drawings

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

FIG. 2 is an exploded view of the connecting base, the bearing, the connecting shaft and the drilling spindle;

FIG. 3 is a schematic view of the nozzle and bit assembly;

fig. 4 is a schematic view of the fitting of the mounting ring to the nozzle.

The reference numbers in the drawings are:

1. a connecting seat; 101. an upper connecting groove; 102. a lower connecting groove; 2. a connecting shaft; 3. drilling a spindle; 4. a connecting rod; 5. a mounting ring; 501. a slide rail; 6. a nozzle; 7. a drill bit; 8. and a bearing.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

In the existing drilling machine, a main shaft of the drilling machine is generally arranged, a drill chuck is arranged on the main shaft and used for mounting a drill bit, and the drilling machine is started to drive the main shaft to drive the drill bit to rotate at a high speed and feed simultaneously, so that drilling is realized.

As shown in fig. 1 to 4, a drilling machine for machining a mechanical part includes a connecting base 1, a connecting shaft 2, and a drilling spindle 3.

Connecting axle 2 is used for the rotation between drilling machine frame and the connecting seat 1 to be connected, it is specific, as shown in fig. 2, the up end of connecting seat 1 is provided with connecting groove 101, the terminal surface is provided with down connecting groove 102, both coaxial arrangements and intercommunication each other, the diameter of going up connecting groove 101 is greater than the diameter of connecting groove 102 down, bearing 8 coaxial arrangement is passed through in last connecting groove 101 in the bottom of connecting axle 2, the top is connected with the drilling machine frame, connecting axle 2 is the diameter that hollow shaft shape and internal diameter are less than lower connecting groove 102, so connecting seat 1 can rotate, but can not remove.

Drilling spindle 3 and connecting axle 2 coaxial arrangement and drilling spindle 3's diameter is less than connecting axle 2 internal diameter, and connecting groove 102 is down passed to drilling spindle 3's bottom, constitutes power connection through the interlock piece between the two and when drilling spindle 3 pulls 7 feed of drill bit, continuously to connecting seat 1 output power through the interlock piece, and is preferred, and the interlock piece is including setting up the internal spline on connecting groove 102 and the external spline of setting on drilling spindle 3 down.

In conclusion, the drilling machine is started, and when the drill bit 7 is pulled by the drilling main shaft 3 to drill, the connecting base 1 rotates along with the drilling main shaft 3 synchronously, so that only the relative displacement in the vertical direction occurs between the connecting base 1 and the drill bit 7.

As shown in fig. 1, 3 and 4, the drill bit 7 coaxially surrounds an annular mounting ring 5, and the mounting ring 5 is connected with the connecting base 1 through the connecting rod 4, so that only relative displacement occurs between the mounting ring 5 and the drill bit 7.

The upper end face of the mounting ring 5 is coaxially provided with a slide rail 501, the slide rail 501 is in a circular rail shape coaxially arranged with the mounting ring 5, a slide seat is slidably mounted on the slide rail 501, a nozzle 6 is mounted on the slide seat, the water inlet end of the nozzle 6 is communicated with a water supply system, such as a water pump, the water outlet end extends into a thread cutter groove of the drill bit 7, and the water outlet end of the nozzle 6 is close to the bottom end of the drill bit 7 in an initial state.

In the drilling process, because the mounting ring 5 and the drill bit 7 are displaced relative to each other in the vertical direction, the nozzle 6 and the drill bit 7 are displaced relative to each other in the vertical direction, and simultaneously, because the water outlet end of the nozzle 6 extends into the thread groove of the drill bit 7, the drill bit 7 moves relatively downwards to push the nozzle 6 to move along the circumferential direction of the slide rail 501 through the wall of the thread groove, that is, in the drilling process, the water outlet end of the nozzle 6 is always positioned in the thread groove, only the position in the thread groove is changed, in addition, the height of the nozzle 6 is not changed and the nozzle 6 is close to the bottom end of the drill bit 7 in the initial state, so in the drilling process, the nozzle 6 is close to the surface of the workpiece, namely close to the upper orifice of the drill hole, meanwhile, the water pump supplies water to the nozzle 6, the water flows into the thread groove of the drill bit 7 through the water outlet end of the nozzle 6, and the water outlet end of the nozzle 6 is always positioned in the thread groove and close to the surface of the workpiece, so that the water smoothly flows down to the drill hole, and dissipates heat generated in the drilling process.

In the preferred embodiment, in the process of feeding and downward moving of the drill bit 7, the number of turns of the nozzle 6 rotating along the circumferential direction of the slide rail 501 is related to the downward moving amount of the drill bit 7 and the pitch of the thread groove, so that a rotary joint can be arranged on the lower end face of the connecting seat 1 and is coaxially arranged with the drilling machine spindle 3, the water outlet end of the rotary joint is communicated with the water inlet end of the nozzle 6 through a water pipe a, and the water inlet end of the rotary joint is communicated with the water outlet end of the water pump.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, and any introduction modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention will still fall within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a drilling machine is used in machining of machine parts, includes drilling machine main shaft (3) and drill bit (7), its characterized in that: the device also comprises a connecting seat (1) and a connecting shaft (2);

the connecting shaft (2) is used for rotationally connecting the drilling machine frame and the connecting seat (1), the drilling machine spindle (3) and the connecting seat (1) form power connection through a linkage piece, and when the drilling machine spindle (3) pulls a drill bit (7) to feed, power is continuously output to the connecting seat (1) through the linkage piece;

the outside coaxial ring of drill bit (7) has mounting ring (5) that is the annular shape, realizes through connecting rod (4) between mounting ring (5) and connecting seat (1) being connected, and slidable mounting has nozzle (6) and the circumferencial direction of slip direction for mounting ring (5) on mounting ring (5), and under the initial condition, the play water end of nozzle (6) is close to the bottom of drill bit (7) and stretches into the screw thread sword inslot of drill bit (7).

2. The drill press for machining a machine part according to claim 1, wherein: the up end of connecting seat (1) is provided with connecting groove (101), the terminal surface is provided with down connecting groove (102) down, go up connecting groove (101) and connect groove (102) coaxial arrangement and communicate each other down, the diameter of going up connecting groove (101) is greater than the diameter of connecting groove (102) down, bearing (8) coaxial arrangement is passed through in last connecting groove (101) in the bottom of connecting axle (2), the top is connected with the drilling machine frame, connecting axle (2) are the diameter that hollow shaft shape and internal diameter are less than lower connecting groove (102).

3. The drill press for machining a machine part according to claim 2, wherein: drilling machine main shaft (3) and connecting axle (2) coaxial arrangement and the diameter of drilling machine main shaft (3) is less than the internal diameter of connecting axle (2), and connecting groove (102) down is passed to the bottom of drilling machine main shaft (3), and the interlock setting is between connecting groove (102) and drilling machine main shaft (3) down.

4. The drill press for machining a machine part according to claim 3, wherein: the linkage piece comprises an inner spline arranged on the lower connecting groove (102) and an outer spline arranged on the drilling machine spindle (3).

5. The drill press for machining a machine part according to claim 1, wherein: the upper end face of the mounting ring (5) is provided with a sliding rail (501), the sliding rail (501) is in a circular rail shape which is coaxially arranged with the mounting ring (5), a sliding seat is slidably mounted on the sliding rail (501), and the nozzle (6) is arranged on the sliding seat.

6. The drill press for machining a machine part according to claim 5, wherein: the water inlet end of the nozzle (6) is communicated with a water supply system.

7. The drill press for machining a machine part according to claim 6, wherein: the water inlet end of the nozzle (6) is communicated with the water pump.

8. The drill press for machining a machine part according to claim 7, wherein: the lower terminal surface of connecting seat (1) is provided with rotary joint, and rotary joint and drilling machine main shaft (3) are coaxial to be arranged, and through water pipe a intercommunication, rotary joint's the end of intaking and the play water end intercommunication of water pump between the end of intaking of nozzle (6) are gone out to rotary joint.