CN211966212U

CN211966212U - Multi-shaft automatic drilling and tapping machine

Info

Publication number: CN211966212U
Application number: CN202020630989.5U
Authority: CN
Inventors: 王平安; 张秋菊
Original assignee: Suzhou Lexinda Industrial Co ltd
Current assignee: Suzhou Lexinda Industrial Co ltd
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-11-20
Anticipated expiration: 2030-04-23

Abstract

The utility model discloses an automatic tapping machine that drills of multiaxis, stand on the base including the rigid coupling, the top rigid coupling of stand has quick-witted case, be equipped with on the machine case and can pivoted main shaft. And a coupling assembly for driving the screw taps to synchronously rotate is arranged on the main shaft. The coupling assembly comprises a multi-shaft device sleeved on the main shaft, and a plurality of shaft rods in one-to-one correspondence with the screw taps are arranged at the lower end of the multi-shaft device. And the shaft lever is provided with a height adjusting assembly for adjusting the height of the shaft lever. The utility model discloses an automatic tapping machine that drills of multiaxis has not only realized the one shot forming of a plurality of holes on the work piece, has improved the machining efficiency of work piece, is convenient for finely tune the height of screw tap moreover, guarantees the machining precision of work piece.

Description

Multi-shaft automatic drilling and tapping machine

Technical Field

The utility model relates to a drilling and tapping equipment technical field especially relates to an automatic tapping machine that drills of multiaxis.

Background

The drilling and tapping machine is a machine tool for machining internal threads by using a screw tap, and is an internal thread machining machine tool which is most widely applied. When drilling and tapping are carried out on workpieces, the conventional drilling and tapping machine usually adopts single-drill operation, and the workpieces with more hole sites need to be processed in a grading manner, so that the efficiency is lower, and the labor cost is higher. In addition, to the work piece that the blind hole degree of depth differs, current drilling tapping machine debugging is comparatively troublesome, leads to blind hole degree of depth tolerance great.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects, the utility model aims to provide an automatic multi-shaft drilling and tapping machine, which not only realizes the one-step processing forming of a plurality of holes on a workpiece, improves the processing efficiency of the workpiece, but also is convenient for finely adjusting the height of a screw tap, and ensures the processing precision of the workpiece.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides an automatic tapping machine that drills of multiaxis, includes the stand of rigid coupling on the base, the top rigid coupling of stand has quick-witted case, be equipped with the pivoted main shaft on the quick-witted case. The main shaft is provided with a coupling assembly for driving the screw taps to synchronously rotate; the coupling assembly comprises a multi-shaft device sleeved on the main shaft, and a plurality of shaft rods in one-to-one correspondence with the screw taps are arranged at the lower end of the multi-shaft device; and the shaft lever is provided with a height adjusting assembly for adjusting the height of the shaft lever.

The beneficial effects of the utility model reside in that: the rotation on the main shaft is transmitted to the plurality of shaft rods through the arrangement of the multi-shaft device, so that the synchronous rotation of the plurality of screw taps is realized, one-step machining forming of a plurality of holes is facilitated, and the machining efficiency of a workpiece is improved; the height of the shaft rod is adjusted by the aid of the height adjusting assembly, so that the height of the screw tap connected with the shaft rod is adjusted, and machining accuracy of workpieces is guaranteed.

Further, the height adjusting assembly comprises a mounting shaft sleeve, an adjusting nut, a fixing nut and a limiting shaft sleeve, wherein the mounting shaft sleeve, the adjusting nut, the fixing nut and the limiting shaft sleeve are sleeved on the shaft rod from top to bottom. The installation axle sleeve rigid coupling is in on the multiaxis ware, its lower extreme is equipped with ring groove, adjusting nut's upper end an organic whole be provided with can along ring groove pivoted fixture block. The upper end of the fixing nut is abutted against the adjusting nut, and the lower end of the fixing nut is abutted against the limiting shaft sleeve. The limiting shaft sleeve is fixedly connected to the shaft rod. The side wall of the shaft lever is provided with an external thread structure, and the mounting shaft sleeve, the fixing nut and the adjusting nut are all provided with internal thread structures matched with the external thread structures

When the axostylus axostyle height was adjusted to needs, unscrewed adjusting nut, owing to be equipped with the fixture block that matches with ring groove on the adjusting nut, adjusting nut can only rotate along ring groove, and because the setting of the internal thread structure on the external screw thread structure on the axostylus axostyle and the adjusting nut, the axostylus axostyle can the atress move down, and at this moment, fixation nut and spacing axle sleeve can move down thereupon. It should be noted that, in the process of unscrewing the adjusting nut, if the fixing nut is inadvertently screwed, the shaft rod does not move downward relative to the fixing nut due to the arrangement of the limiting shaft sleeve.

Further, the bottom of the shaft is threadedly connected to the tap.

Further, the multi-axis device comprises a shell, a driving gear sleeved on the main shaft is arranged in the shell, a plurality of driven gears meshed with the driving gear are arranged on the outer side of the driving gear, and each driven gear is connected with a corresponding shaft rod through a driven coupling. The driving gear is matched with the driven gear, so that the rotation of the main shaft is transmitted to the driven connecting shaft and then transmitted to the shaft rod, and the rotation of the screw tap is realized.

Further, the bottom of the shell is also provided with a transverse adjusting assembly used for adjusting the position of the shaft rod, the transverse adjusting assembly comprises an annular adjusting seat, an adjusting block and an adjusting screw, and the adjusting block corresponds to the adjusting screw one by one. The annular adjusting seat is fixedly connected to the shell, and an annular limiting groove for the adjusting screw to slide is formed in the annular adjusting seat. The adjusting blocks are connected with the shaft levers in a one-to-one correspondence mode, and waist-shaped adjusting grooves are formed in the adjusting blocks. The adjusting screw penetrates through the waist-shaped adjusting groove corresponding to the adjusting screw and is locked through the locking nut. Through setting up of waist type adjustment tank and adjusting screw make adjusting screw when annular spacing inslot removes, the displacement can take place for the regulating block, and then drives the axostylus axostyle and takes place the displacement, realizes the regulation of axostylus axostyle position to realize the regulation of different hole sites and hole interval.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic sectional view of an embodiment of the present invention;

FIG. 3 is a partial enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of a lateral adjustment assembly according to an embodiment of the present invention.

In the figure:

1-a base; 2-upright post; 3-a case; 4-a main shaft; 5-a screw tap; 51-a mounting seat; 6-a multi-axis machine; 61-a housing; 62-a drive gear; 63-a driven gear; 64-driven shaft coupling; 7-shaft lever; 81-installing a shaft sleeve; 82-an adjusting nut; 821-fixture block; 83-a fixing nut; 84-a limit shaft sleeve; 91-ring-shaped adjusting seat; 911-annular limiting groove; 92-a regulating block; 921-waist type adjusting groove; 93-adjusting screws; 94-lock nut.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawing 1, the utility model discloses an automatic tapping machine that drills of multiaxis, including the stand 2 of rigid coupling on base 1, the top rigid coupling of stand 2 has quick-witted case 3, be equipped with on the quick-witted case 3 and to rotate main shaft 4. The main shaft 4 is provided with a coupling assembly for driving the screw taps 5 to synchronously rotate; the coupling assembly comprises a multi-shaft device 6 sleeved on the main shaft 4, and a plurality of shaft rods 7 corresponding to the screw taps one to one are arranged at the lower end of the multi-shaft device 6; the shaft lever 7 is provided with a height adjusting component for adjusting the height of the shaft lever 7.

The rotation on the main shaft 4 is transmitted to the plurality of shaft rods 7 through the arrangement of the multi-shaft device 6, so that the synchronous rotation of the plurality of screw taps 5 is realized, one-step machining forming of a plurality of holes is facilitated, and the machining efficiency of a workpiece is improved; the height of the shaft lever 7 is adjusted by the aid of the height adjusting assembly, so that the height of the screw tap 5 connected with the shaft lever 7 is adjusted, and machining accuracy of a workpiece is guaranteed.

In this embodiment, referring to fig. 2-3, the height adjustment assembly includes a mounting sleeve 81, an adjusting nut 82, a fixing nut 83, and a limiting sleeve 84, which are sleeved on the shaft 7 from top to bottom. The mounting shaft sleeve 81 is fixedly connected to the multi-axis device 6, an annular clamping groove is formed in the lower end of the mounting shaft sleeve, and a clamping block 821 capable of rotating along the annular clamping groove is integrally arranged at the upper end of the adjusting nut 82. The upper end of the fixing nut 83 abuts against the adjusting nut 82, and the lower end abuts against the limiting sleeve 84. The limiting shaft sleeve 84 is fixedly connected to the shaft rod 7. The side wall of the shaft rod 7 is provided with an external thread structure, and the mounting shaft sleeve 81, the fixing nut 83 and the adjusting nut 82 are all provided with internal thread structures matched with the external thread structure.

In the initial state, the adjusting nut 82 is limited between the mounting boss 81 and the fixing nut 83, and the bottom of the fixing nut 83 is limited by the limiting boss 84. When the height of the shaft lever 7 needs to be adjusted, the adjusting nut 82 is unscrewed, the adjusting nut 82 can only rotate along the annular clamping groove due to the fact that the clamping block 821 matched with the annular clamping groove is arranged on the adjusting nut 82, the shaft lever 7 can be stressed to move downwards due to the arrangement of the external thread structure on the shaft lever 7 and the internal thread structure on the adjusting nut 82, and at the moment, the fixing nut 83 and the limiting shaft sleeve 84 can move downwards along with the external thread structure. It should be noted that, during the process of loosening the adjusting nut 82, if the fixing nut 83 is inadvertently screwed, the shaft 7 does not move downward relative to the fixing nut 83 due to the position of the limiting sleeve 84.

The top of the tap 5 is provided with a mounting seat 51 sleeved on the bottom of the shaft rod 7, and the mounting seat 51 is connected with the shaft rod 7 through threads. The screw tap 5 is fixedly connected with the shaft rod 7 through threaded connection, and the rotation of the shaft rod 7 can be further transmitted to the screw tap 5.

In this embodiment, the multi-axis device 6 includes a housing 61, a driving gear 62 disposed in the housing 61 and sleeved on the main shaft 4, a plurality of driven gears 63 engaged with the driving gear 62 are disposed outside the driving gear 62, and each driven gear 63 is connected to a corresponding shaft 7 through a driven coupling 64. The transmission of the rotation of the spindle 4 to the driven coupling 64 and thus to the shaft 7 is achieved by the cooperation of the driving gear 62 and the driven gear 63 to effect rotation of the tap 5.

It should be noted that the driven coupling 64 may be designed to be cylindrical or bent in sections as required, and when it is cylindrical, one end thereof is fixedly connected to the driven gear 63, and the other end thereof is fixedly connected to the shaft rod 7. When the bending type steel pipe is in a sectional bending shape, all the sections are connected through the rotating shaft, so that all the sections can rotate along the radial direction of the sections.

In this embodiment, referring to fig. 4, the bottom of the housing 61 is further provided with a lateral adjustment assembly for adjusting the position of the shaft rod 7, the lateral adjustment assembly includes an annular adjustment seat 91, an adjustment block 92 and an adjustment screw 93, and the adjustment blocks 92 correspond to the adjustment screws 93 one to one. The annular adjusting seat 91 is fixedly connected to the casing 61, and an annular limiting groove 911 for the adjusting screw 93 to slide is formed in the annular adjusting seat. The adjusting blocks 92 are correspondingly connected with the shaft rods 7 one by one, and waist-shaped adjusting grooves 921 are formed in the adjusting blocks. The adjusting screw 93 passes through the waist-shaped adjusting slot 921 corresponding thereto and is locked by a lock nut 94.

When the position of the shaft rod 7 needs to be adjusted, the locking nut 94 is loosened, the adjusting screw 93 is driven to move in the annular limiting groove 911, the adjusting block 92 is displaced accordingly, and then the shaft rod 7 and the screw tap 5 are driven to move to the required positions, so that the adjustment of different hole positions and hole intervals is realized.

It should be noted that the base 1, the upright 2, the chassis 3, and the spindle 4 in this embodiment are all the prior art, and are not described again in this embodiment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. A multi-shaft automatic drilling and tapping machine comprises an upright post fixedly connected to a base, wherein the top of the upright post is fixedly connected with a machine case, and a rotatable main shaft is arranged on the machine case; the method is characterized in that: the main shaft is provided with a coupling assembly for driving the screw taps to synchronously rotate; the coupling assembly comprises a multi-shaft device sleeved on the main shaft, and a plurality of shaft rods in one-to-one correspondence with the screw taps are arranged at the lower end of the multi-shaft device; and the shaft lever is provided with a height adjusting assembly for adjusting the height of the shaft lever.

2. The multi-axis automatic drilling and tapping machine of claim 1, wherein: the height adjusting assembly comprises a mounting shaft sleeve, an adjusting nut, a fixing nut and a limiting shaft sleeve which are sleeved on the shaft rod from top to bottom; the mounting shaft sleeve is fixedly connected to the multi-shaft device, an annular clamping groove is formed in the lower end of the mounting shaft sleeve, and a clamping block capable of rotating along the annular clamping groove is integrally arranged at the upper end of the adjusting nut; the upper end of the fixing nut is abutted against the adjusting nut, and the lower end of the fixing nut is abutted against the limiting shaft sleeve; the limiting shaft sleeve is fixedly connected to the shaft rod.

3. The multi-axis automatic drilling and tapping machine of claim 2, wherein: the side wall of the shaft rod is provided with an external thread structure, and the mounting shaft sleeve, the fixing nut and the adjusting nut are all provided with internal thread structures matched with the external thread structure.

4. The multi-axis automatic drilling and tapping machine of claim 3, wherein: the bottom of the shaft rod is connected with the screw tap through threads.

5. The multi-axis automatic drilling and tapping machine according to any one of claims 1 to 4, wherein: the multi-shaft device comprises a shell, a driving gear sleeved on a main shaft is arranged in the shell, a plurality of driven gears meshed with the driving gear are arranged on the outer side of the driving gear, and each driven gear is connected with a corresponding shaft rod through a driven coupling.

6. The multi-axis automatic drilling and tapping machine of claim 5, wherein: the bottom of the shell is also provided with a transverse adjusting assembly for adjusting the position of the shaft rod, the transverse adjusting assembly comprises an annular adjusting seat, adjusting blocks and adjusting screws, and the adjusting blocks correspond to the adjusting screws one by one; the annular adjusting seat is fixedly connected to the shell and provided with an annular limiting groove for the sliding of the adjusting screw; the adjusting blocks are correspondingly connected with the shaft rods one by one, and waist-shaped adjusting grooves are formed in the adjusting blocks; the adjusting screw penetrates through the waist-shaped adjusting groove corresponding to the adjusting screw and is locked through the locking nut.