WO2019061579A1

WO2019061579A1 - Lateral tapping device

Info

Publication number: WO2019061579A1
Application number: PCT/CN2017/106206
Authority: WO
Inventors: 侯鑫; 张碧辉; 张秀德; 赵成; 闫冬
Original assignee: 深圳市裕展精密科技有限公司
Priority date: 2017-09-29
Filing date: 2017-10-13
Publication date: 2019-04-04
Also published as: CN206898510U

Abstract

A lateral tapping device (100), comprising a driving unit (40), a tapping module (50) driven by the driving unit (40), a bracket (10) and a mounting plate (60), wherein the bracket (10) has a mounting plane; the mounting plate (60) is mounted on the bracket (10) and forms a predetermined angle with the mounting plane; the tapping module (50) comprises a transmission shaft assembly and a pin (560) connected to one end of the transmission shaft assembly; the transmission shaft assembly is rotationally mounted on the mounting plate (60) and is disposed in parallel to the mounting plate (60); and the transmission shaft assembly is driven by the driving unit (40) and drives the pin (560) to rotate so as to carry out tapping motion, thereby tapping an inclined plane.

Description

Lateral tapping device

Technical field

The utility model relates to a lateral tapping device.

Background technique

At present, in the domestic machinery processing industry, some thread processing depends on the fitter. In general small parts, the fitter can drill the drill hole first and then tap the wire on the bench. The result of the machining is that the hole and the wire are separated from each other, and the two are not centered, resulting in low precision. In general, Can cope with, in some high-precision requirements, it shows insufficient, can not meet the design and use requirements. At the same time, some screw holes need to be placed on the inclined surface. This type of tapping usually completes the tapping through the CNC and rotates the specific angle through the fixture module to complete the processing of the tooth hole on the side inclined surface. Time is wasted because the fixture module can be rotated before it can be tapped.

Utility model content

In view of this, it is necessary to provide a lateral tapping device that can tap the inclined surface to improve the processing efficiency.

A lateral tapping device includes a driving unit and a tapping module driven by the driving unit, the lateral tapping device further comprising:

a bracket having a mounting plane; and

a mounting plate mounted on the bracket and forming a predetermined angle with the mounting plane;

The tapping module includes a drive shaft assembly and a tooth pin connected to one end of the drive shaft assembly; the drive shaft assembly is rotatably mounted on the mounting plate and disposed in parallel with the mounting plate; the drive shaft assembly The driving unit drives and drives the needle to rotate to perform a tapping motion.

Preferably, the lateral tapping device further includes a reference block, the reference block is mounted on the bracket, and one side of the reference block is provided with a reference slope corresponding to an end surface of the mounting board;

An end surface of the mounting plate abuts the reference slope to correct the predetermined angle.

Preferably, the lateral tapping device further comprises an adjusting block, the adjusting block is wedge-shaped, the angle of the wedge-shaped end is the same as the predetermined angle; the adjusting block is slidingly clamped to the mounting Board Between the bracket and the bracket to adjust the position of the mounting plate.

Advantageously, said drive unit comprises a servo motor and a pulley device driven by said servo motor, said pulley device being in driving connection with said drive shaft assembly.

Preferably, the pulley device includes a driving pulley coupled to an output shaft of the servo motor, a driven pulley coupled to the transmission shaft assembly, and a driving pulley coupled to the driving pulley and the driven pulley Belt between.

Preferably, the drive shaft assembly comprises:

An input shaft, the input shaft being drivingly connected to the driven pulley;

Tapping shaft; and

a coupling, one end of the tapping shaft being connected to one end of the input shaft through the coupling;

The dental needle is fixed to the other end of the tapping shaft.

Preferably, the other end of the input shaft is provided with a prism, and a middle portion of the driven pulley is provided with a through hole matching the prism, and the driven pulley passes through the through hole to cooperate with the prism Connected to the input shaft drive.

Preferably, the tapping shaft comprises a dental shaft, the outer side of the dental rod is provided with an external thread, an end of the dental rod is connected with the coupling; and the mounting plate is provided to match the tapping shaft a plurality of bearings, wherein a bearing is fixed with a dental sleeve, and the internal sleeve is internally provided with an internal thread matching the external thread;

The tapping shaft is drivingly connected to the dental sleeve through the dental bar; when the driven pulley rotates the dental bar, the dental bar is driven by the external thread and the internal thread Axial feed of the rod.

Advantageously, the tapping shaft further includes a fixed shaft coupled to the rod and a floating shaft floatingly coupled to the fixed shaft.

Preferably, the tapping shaft further comprises a collet, and a collapsing surface is formed inside the collet; one end of the dental needle is received in the collet and clamped and fixed by the tapered surface.

In the lateral tapping device, the mounting plate is mounted on the bracket and forms a predetermined angle with the mounting plane, and the transmission shaft assembly is rotatably mounted on the mounting plate and disposed parallel to the mounting plate Therefore, the dental needle is also formed at an angle with the mounting plane, and the transmission shaft assembly is driven by the driving unit and drives the dental needle to rotate to perform a tapping motion, thereby being capable of tapping the inclined surface.

DRAWINGS

1 is a schematic view showing the structure of a lateral tapping device in a preferred embodiment.

2 is a partial structural view of a tapping module in the lateral tapping device of FIG. 1.

3 is a half cross-sectional view of the tapping module of FIG. 2.

Main component symbol description

10 bracket

20 adjustment block

30 reference block

40 drive unit

50 tapping module

60 mounting plate

100 lateral tapping device

410 servo motor

420 active pulley

430 driven pulley

510 square stick

520 coupling

530 tapping axis

540 fixed shaft

550 floating shaft

560 needle

570 rod

580 braces

590 collet

610 bearing

5901 cone

The present invention will be further described in conjunction with the above drawings in the following detailed description.

Detailed ways

As shown in FIGS. 1 to 3 , the lateral tapping device 100 includes a bracket 10 , a driving unit 40 , a tapping module 50 , and a mounting plate 60 . The lateral tapping device 100 is used to tap a bevel.

The tapping module 50 is drivingly coupled to the driving unit 40 and driven by the driving unit 40.

One side of the bracket 10 has a mounting plane (not shown). The mounting plate 60 is mounted on the bracket 10 and forms a predetermined angle with the mounting plane. The predetermined angle is adapted to the inclination of the slope.

The tapping module 50 includes a drive shaft assembly and a tooth 560 coupled to one end of the drive shaft assembly. The drive shaft assembly is rotatably mounted on the mounting plate 60 and disposed parallel to the mounting plate 60 such that the drive shaft assembly also forms a predetermined angle with the mounting plane.

The drive shaft assembly is driven by the drive unit and drives the needle 560 to rotate for a tapping action.

The lateral tapping device 100 can also include a reference block 30. The reference block 30 is mounted on the bracket 10, and one side of the reference block 30 is provided with a reference slope corresponding to an end surface of the mounting board 60. An end surface of the mounting plate abuts the reference slope to correct the predetermined angle.

In addition, the lateral tapping device 100 may further include an adjustment block 20. The adjusting block 20 may have a wedge shape, and an angle of the wedge end is the same as the predetermined angle. The adjusting block 20 is slidably clamped between the mounting plate 60 and the bracket 10 to adjust the position of the mounting plate 60.

In use, the angular position correction of the mounting plate 60 may be first performed by the reference slant on the reference block 30, thereby achieving angular position correction of the tapping module 50. At the same time, if the mounting plate 60 needs to be fine-tuned, it can be realized by moving the adjustment block 20.

The drive unit 40 may include a pulley device in which the servo motor 410 is driven by the servo motor. The pulley device is in driving connection with the drive shaft assembly.

The pulley device includes a primary pulley 420, a driven pulley 430, and a belt (not shown). The driving pulley 420 is coaxially connected to an output shaft of the servo motor 410. The driven pulley 430 is coupled to the drive shaft assembly. The belt is coupled between the primary pulley 420 and the driven pulley 430.

The drive shaft assembly includes an input shaft, a tapping shaft 530, and a coupling 520. The input shaft is drivingly coupled to the driven pulley 430. One end of the tapping shaft 530 is coupled to one end of the input shaft through the coupling 520. The dental needle 560 is fixed to the other end of the tapping shaft 530. Such as In this way, the servo motor 410 can drive the input shaft to rotate by a pulley device, and the input shaft drives the tooth pins 560 on the tapping shaft 530 to rotate by the coupling 520, thereby performing a tapping operation.

In a specific implementation, the other end of the input shaft is provided with a prism. A central portion of the driven pulley 430 is provided with a through hole that matches the prism. The driven pulley 430 is drivingly coupled to the input shaft through a cooperation of the through hole and the prism. For example, the other end of the input shaft is provided with a square bar 510, and a middle of the driven pulley 430 is provided with a square hole. In a specific implementation, the end of the input shaft and the middle portion of the driven pulley 430 may also be drivingly connected by other forms.

In a preferred embodiment, the tapping shaft 530 can include a toothed rod 570 having an outer thread disposed on an outer side thereof. The end of the rod 570 is coupled to the coupling 520. The mounting plate 60 is provided with a plurality of bearings 610 that mate with the tapping shaft 530. A braces 580 are fixed to one of the bearings 610. The inside of the mouthpiece 580 is provided with an internal thread that matches the external thread.

The tapping shaft 530 is drivingly coupled to the mouthpiece 580 via the rod 570. When the driven pulley 430 drives the rod 570 to rotate, the rod 570 is driven in the axial direction of the rod 570 under the driving of the external thread and the internal thread.

In another preferred embodiment, the tapping shaft 530 may further include a fixed shaft 540 coupled to the rod 570 and a floating shaft 550 floatingly coupled to the fixed shaft 540. A pin and an O-ring may be connected between the fixed shaft 540 and the floating shaft 550. After the fixed shaft 540 is positioned and mounted, the floating shaft 550 can also float relative to the fixed shaft 540, thereby implementing the function of adaptive positioning tapping.

In still another preferred embodiment, the tapping shaft 530 further includes a collet 590, and a collapsible surface 5901 is formed inside the collet 590. One end of the dental needle 560 is received in the collet 590 and is clamped and fixed by the tapered surface 5901. The collet 590 can hold the dental needle 560 through the tapered surface 5901 and the ball, and can fix the dental needle 560 and effectively prevent the dental needle 560 from swaying during tapping.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.

Claims

A lateral tapping device includes a driving unit and a tapping module driven by the driving unit, wherein the lateral tapping device further comprises:

a bracket having a mounting plane; and

a mounting plate mounted on the bracket and forming a predetermined angle with the mounting plane;

The tapping module includes a drive shaft assembly and a tooth pin connected to one end of the drive shaft assembly; the drive shaft assembly is rotatably mounted on the mounting plate and disposed in parallel with the mounting plate; the drive shaft assembly The driving unit drives and drives the needle to rotate to perform a tapping motion.
The lateral tapping device according to claim 1, wherein said lateral tapping device further comprises a reference block, said reference block being mounted on said bracket and one side of said reference block being provided a reference slope corresponding to an end surface of the mounting plate;

An end surface of the mounting plate abuts the reference slope to correct the predetermined angle.
A lateral tapping device according to claim 2, wherein said lateral tapping device further comprises an adjustment block, said adjustment block being wedge-shaped, an angle between said wedge end and said predetermined clip The angle is the same; the adjusting block is slidably clamped between the mounting plate and the bracket to adjust the position of the mounting plate.
A lateral tapping device according to claim 1, wherein said drive unit comprises a servo motor and a pulley device driven by said servo motor, said pulley device being in driving connection with said drive shaft assembly.
A lateral tapping device according to claim 4, wherein said pulley device comprises a driving pulley coupled to an output shaft of said servo motor, a driven pulley coupled to said transmission shaft assembly, and a connection a belt between the driving pulley and the driven pulley.
The lateral tapping device of claim 5 wherein said drive shaft assembly comprises:

An input shaft, the input shaft being drivingly connected to the driven pulley;

Tapping shaft; and

a coupling, one end of the tapping shaft being connected to one end of the input shaft through the coupling;

The dental needle is fixed to the other end of the tapping shaft.
The lateral tapping device according to claim 6, wherein the other end of the input shaft is provided with a prism, and a middle portion of the driven pulley is provided with a through hole matching the prism, the slave Moving belt The wheel is drivingly coupled to the input shaft through a cooperation of the through hole and the prism.
The lateral tapping device according to claim 6, wherein the tapping shaft comprises a dental bar, the outer side of the dental bar is provided with an external thread, and the end of the dental bar is coupled to the coupling a plurality of bearings matched with the tapping shaft, wherein a bearing is fixed with a dental sleeve, and the internal sleeve is internally provided with an internal thread matching the external thread;

The tapping shaft is drivingly connected to the dental sleeve through the dental bar; when the driven pulley rotates the dental bar, the dental bar is driven by the external thread and the internal thread Axial feed of the rod.
A lateral tapping device according to claim 8, wherein said tapping shaft further comprises a fixed shaft coupled to said rod and a floating shaft floatingly coupled to said fixed shaft.
The lateral tapping device according to claim 9, wherein the tapping shaft further comprises a collet, the inside of the collet forming a tapered surface; one end of the dental needle is received in the collet and passed The tapered surface is clamped and fixed.