CN214023660U

CN214023660U - Drilling and boring integrated combined tool

Info

Publication number: CN214023660U
Application number: CN202023047320.2U
Authority: CN
Inventors: 郭艳华
Original assignee: Shijiazhuang Gaocheng Golden Diamond Tools Co ltd
Current assignee: Shijiazhuang Gaocheng Golden Diamond Tools Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-08-24
Anticipated expiration: 2030-12-16

Abstract

The utility model relates to a machine tooling gang tool technical field especially relates to an integrative gang tool of drilling bore hole. The drilling machine comprises an inner hole milling shaft, a straight groove opening is formed in one side of the inner hole milling shaft, a guide seat is arranged below a tool apron and is connected inside the straight groove opening in a sliding mode, an inner hole milling cutter is arranged at the top of the guide seat, a spring is arranged between the bottom of the straight groove opening and the bottom of the guide seat and used for driving the inner hole milling cutter to cut and feed outwards, a through hole is formed in a control rod, a bolt is arranged at the position of the through hole, when the cutter shaft works, drilling is carried out through a twist drill below the cutter shaft, then, the inner hole milling cutter on an optical axis in the middle portion is used for boring the inside of an opening, and when the boring is carried out, the bolt on the control rod is loosened; when the bolt is screwed down, the inner hole milling cutter can be retracted, and the cutter shaft can be pulled out from the hole opening position; the two steps of hole opening and inner hole boring can be realized by one cutter shaft, the workpiece does not need to be transferred and processed for many times, and the working efficiency is greatly improved.

Description

Drilling and boring integrated combined tool

Technical Field

The utility model relates to a machine tooling gang tool technical field especially relates to an integrative gang tool of drilling bore hole.

Background

The drilling tool and the milling cutter are frequently used when a workpiece is machined, particularly when a connecting position of a sealing element is machined, generally, a hole is drilled through the drilling tool firstly, but then the hole is drilled inside the drilled position, the workpiece needs to be transferred to a numerical control milling machine during the hole drilling, then the corresponding milling cutter is selected and installed, the milling cutter is aligned to the inside of the hole drilling position and is adjusted to a specified depth, then programming simulation is carried out, finally, a program is started, the hole is drilled inside the hole through the milling cutter in the hole through movement, and therefore an annular groove is formed in the hole and used for installing a sealing ring.

The work piece is processed through shifting many times, especially bore a hole on the numerically controlled milling machine, and the work efficiency that wastes time and energy is low, and the work piece error of processing out is great moreover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the above-mentioned technique is not enough, provide a drilling bore hole integrative gang tool, include hole milling spindle one side is provided with the rabbet, the blade holder below is provided with the guide holder, the guide holder sliding connection is inside the rabbet, the guide holder top is provided with hole milling cutter, be provided with the spring between rabbet bottom and the guide holder bottom for drive hole milling cutter outwards cuts and feeds, set up the through-hole on the control lever, the through-hole position is provided with the bolt, and the arbor is earlier drilled through the fluted drill of below when working, then bores a hole to the opening inside through the hole milling cutter on the middle part optical axis, loosens the bolt on the control lever during bore a hole; when the bolt is screwed down, the inner hole milling cutter can be retracted, and the cutter shaft can be pulled out from the hole opening position; the two steps of hole opening and inner hole boring can be realized by one cutter shaft, the workpiece does not need to be transferred and processed for many times, and the working efficiency is greatly improved.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: comprises a cutter shaft and a cutter holder; a twist drill is arranged below the cutter shaft; an inner hole milling shaft is arranged above the cutter shaft; an optical axis is arranged above the inner hole milling shaft; a driving key is arranged at the top of the optical axis; the tool apron is arranged on one side of the inner hole milling shaft and one side of the optical axis.

Further optimizing the technical scheme, a straight notch is formed in one side of the inner hole milling shaft; a guide seat is arranged below the cutter seat; the guide seat is connected inside the straight groove opening in a sliding manner; the outer diameter of the guide seat is smaller than or equal to the outer diameter of the inner hole milling shaft.

Further optimizing the technical scheme, the top of the guide seat is provided with an inner hole milling cutter; the axes of the inner hole milling cutter and the cutter shaft are parallel.

Further optimize this technical scheme, straight notch bottom and guide holder bottom between be provided with the spring for drive hole milling cutter outwards cuts and feeds.

Further optimize this technical scheme, the hole mill axle periphery be provided with the chip groove.

Further optimizing the technical scheme, a groove is arranged on the optical axis above the straight notch; a control rod is arranged on one side, far away from the axis, above the guide seat; the control rod is connected inside the groove in a sliding mode.

Further optimizing the technical scheme, the optical axis is provided with a sleeve; the internal diameter of the sleeve is equal to the external diameter of the optical axis, and the tool apron plays a role in bouncing and limiting.

Further optimizing the technical scheme, a recovery tank is arranged on the left side of the groove; the control rod is provided with a through hole; a bolt is arranged at the position of the through hole; and the other end of the bolt is in threaded connection with the interior of the recovery tank and is used for driving the inner hole milling cutter to recover.

Compared with the prior art, the utility model has the advantages of it is following:

1. when the cutter shaft works, firstly, the hole is drilled through the twist drill below, and then the hole is bored inside the opening through the inner hole milling cutter on the middle optical axis.

2. When boring, the bolt on the control rod is loosened, and the inner hole milling cutter can be ejected out under the action of the spring, so that the inner part of the hole diameter is processed.

3. When the bolt is screwed down, the inner hole milling cutter can be retracted, and the cutter shaft can be pulled out from the hole opening position.

4. The two steps of hole opening and inner hole boring can be realized by one cutter shaft, a workpiece does not need to be transferred to a milling machine for processing for many times, the precision is high, and the working efficiency is greatly improved.

Drawings

Fig. 1 is an external perspective view of an inner hole milling cutter of the drilling and boring integrated combined cutter in an open state.

Fig. 2 is a perspective view of an inner hole milling cutter of the drilling and boring integrated combination tool in a retracted state.

Fig. 3 is a partial sectional view of an internal structure of the combined tool for drilling and boring in an open state of an inner hole milling cutter.

Fig. 4 is a partial sectional view of an internal structure of the combined tool for drilling and boring in a retracted state of an internal milling cutter.

In the figure: 1. a cutter shaft; 101. a twist drill; 102. milling an inner hole; 103. an optical axis; 104. a drive key; 105. a straight notch; 106. a chip groove; 107. a groove; 108. a recovery tank; 2. a tool apron; 201. a guide seat; 202. an inner bore milling cutter; 203. a control lever; 204. a through hole; 3. a spring; 4. a sleeve; 5. and (4) bolts.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: as shown in fig. 1-4, the combined tool for drilling and boring is characterized in that: comprises a cutter shaft 1 and a cutter holder 2; a twist drill 101 is arranged below the cutter shaft 1; an inner hole milling shaft 102 is arranged above the cutter shaft 1; an optical axis 103 is arranged above the inner hole milling shaft 102; a driving key 104 is arranged at the top of the optical axis 103; the tool apron 2 is arranged on one side of the inner hole milling shaft 102 and the optical axis 103.

Preferably, a straight notch 105 is arranged on one side of the inner hole milling shaft 102; a guide seat 201 is arranged below the tool apron 2; the guide seat 201 is connected inside the straight notch 105 in a sliding manner; the outer diameter of the guide seat 201 is less than or equal to the outer diameter of the inner hole milling shaft 102.

Preferably, the top of the guide seat 201 is provided with an inner hole milling cutter 202; the axes of the inner hole milling cutter 202 and the cutter shaft 1 are parallel.

Preferably, a spring 3 is arranged between the bottom of the straight notch 105 and the bottom of the guide seat 201, and is used for driving the inner hole milling cutter 202 to perform outward cutting feed.

Preferably, the inner bore milling shaft 102 is provided with a chip groove 106 at its outer periphery.

Preferably, a groove 107 is arranged above the straight notch 105 on the optical axis 103; a control rod 203 is arranged on one side far away from the axis above the guide seat 201; the control rod 203 is slidably connected inside the groove 107.

Preferably, a sleeve 4 is arranged on the optical axis 103; the inner diameter of the sleeve 4 is equal to the outer diameter of the optical axis 103, and the tool apron 2 plays a role in bouncing and limiting.

Preferably, a recovery groove 108 is arranged at the left side of the groove 107; a through hole 204 is arranged on the control rod 203; a bolt 5 is arranged at the position of the through hole 204; the other end of the bolt 5 is screwed in the recovery groove 108 and used for driving the inner hole milling cutter 202 to recover.

When the drilling machine is used, in the first step, as shown in a combined drawing of fig. 1-4, when a workpiece is drilled and an annular groove 107 is formed in the workpiece on a machine tool, the upper portion of a cutter shaft 1 is fixed on a chuck, the lower portion of the cutter shaft 1 is aligned to a hole forming position, a drilling machine is started, a twist drill 101 is arranged below the cutter shaft 1, an inner hole milling shaft 102 is arranged above the cutter shaft 1, an optical axis 103 is arranged above the inner hole milling shaft 102, the twist drill 101 at the bottom is driven to rotate at a high speed to form a hole at a specified position when the cutter shaft 1 rotates at a high speed, and the drilling machine is stopped after the hole forming is finished.

When boring its inside hole after finishing and seting up the ring channel, hole milling spindle 102 one side is provided with straight notch 105, blade holder 2 below is provided with guide holder 201, guide holder 201 sliding connection is inside straight notch 105, guide holder 201 top is provided with hole milling cutter 202, the axis of hole milling cutter 202 and arbor 1 is parallel, withdraws the appointed degree of depth in hole with hole milling cutter 202 under the state at hole milling cutter 202, then need pop out hole milling cutter 202.

A spring 3 is arranged between the bottom of the straight notch 105 and the bottom of the guide seat 201 and used for driving the inner hole milling cutter 202 to cut and feed outwards, a groove 107 is arranged on the optical axis 103 above the straight notch 105, a control rod 203 is arranged on one side far away from the axis above the guide seat 201 and is connected inside the groove 107 in a sliding mode, a recovery groove 108 is arranged on the left side of the groove 107, a through hole 204 is formed in the control rod 203, a bolt 5 is arranged at the position of the through hole 204, the other end of the bolt 5 is connected inside the recovery groove 108 in a threaded mode and used for driving the inner hole milling cutter 202 to recover, the compression state of the control rod 203 is relieved when the bolt 5 is loosened, the cutter holder 2 can be pushed to bounce under the elastic force action of the spring 3, the guide seat 201 slides upwards along the straight notch 105 in the process, and the control rod 203 lifts upwards along the recovery groove 108.

The optical axis 103 is provided with a sleeve 4, and the inner diameter of the sleeve 4 is equal to the outer diameter of the optical axis 103, so that the tool apron 2 plays a role in bouncing and limiting.

Step two, as shown in fig. 1-4, the inner hole milling cutter 202 is pressed tightly inside the inner hole under the action of the elastic force of the spring 3, and the drilling machine can drive the inner hole milling cutter 202 to rotate when continuing to work, so that the inner part of the hole is cut by the inner hole milling cutter 202, the chip discharge groove 106 is formed in the periphery of the inner hole milling shaft 102, and iron chips in the cutting process can be discharged through the chip discharge groove 106; the inner hole milling cutter 202 continuously extends out under the action of the spring 3 in the machining process, so that the effect of slowly and gradually cutting is achieved; the annular recess 107 in the bore is completed until the inner bore cutter 202 is fully ejected.

After the inner hole is machined, the drilling machine is stopped, when the bolt 5 is screwed down, the bolt 5 can push the cutter holder 2 to retract, so that the cutter holder 2 drives the inner hole milling cutter 202 to retract, when the cutter holder 2 retracts completely, the inner hole milling cutter 202 retracts into the straight notch 105 completely, and the whole cutter shaft 1 can be pulled out from the hole opening position at the moment.

An annular groove 107 inside the bore is used to place a seal ring for sealing the shaft and the pipe elements.

The whole working process of the hole opening and the inner hole milling of the workpiece can be realized on the drilling machine, the workpiece does not need to be subjected to secondary rotation, secondary positioning and secondary programming simulation, two operations can be realized on the same machine tool, the machining precision is high, and the working efficiency is greatly improved.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. The utility model provides an integrative gang tool of drilling bore hole which characterized in that: comprises a cutter shaft (1) and a cutter holder (2); a twist drill (101) is arranged below the cutter shaft (1); an inner hole milling shaft (102) is arranged above the cutter shaft (1); an optical axis (103) is arranged above the inner hole milling shaft (102); a driving key (104) is arranged at the top of the optical axis (103); the tool apron (2) is arranged on one side of the inner hole milling shaft (102) and one side of the optical axis (103).

2. The drilling and boring integrated combination tool as claimed in claim 1, wherein: a straight notch (105) is formed in one side of the inner hole milling shaft (102); a guide seat (201) is arranged below the cutter seat (2); the guide seat (201) is connected inside the straight notch (105) in a sliding manner; the outer diameter of the guide seat (201) is smaller than or equal to that of the inner hole milling shaft (102).

3. The drilling and boring integrated combination tool as claimed in claim 2, wherein: an inner hole milling cutter (202) is arranged at the top of the guide seat (201); the axes of the inner hole milling cutter (202) and the cutter shaft (1) are parallel.

4. The drilling and boring integrated combination tool as claimed in claim 3, wherein: and a spring (3) is arranged between the bottom of the straight notch (105) and the bottom of the guide seat (201) and is used for driving the inner hole milling cutter (202) to cut and feed outwards.

5. The drilling and boring integrated combination tool as claimed in claim 1, wherein: the periphery of the inner hole milling shaft (102) is provided with a chip groove (106).

6. The drilling and boring integrated combination tool as claimed in claim 2, wherein: a groove (107) is arranged on the optical axis (103) above the straight notch (105); a control rod (203) is arranged on one side far away from the axis above the guide seat (201); the control rod (203) is connected inside the groove (107) in a sliding mode.

7. The drilling and boring integrated combination tool as claimed in claim 1, wherein: a sleeve (4) is arranged on the optical axis (103); the inner diameter of the sleeve (4) is equal to the outer diameter of the optical axis (103), and the tool apron (2) is bounced to limit.

8. The drilling and boring integrated combination tool as claimed in claim 6, wherein: a recovery groove (108) is arranged on the left side of the groove (107); a through hole (204) is formed in the control rod (203); a bolt (5) is arranged at the position of the through hole (204); the other end of the bolt (5) is in threaded connection with the interior of the recovery tank (108) and is used for driving the inner hole milling cutter (202) to retract.