CN211387240U

CN211387240U - Tapping mechanism for automatic tapping machine

Info

Publication number: CN211387240U
Application number: CN201921830317.2U
Authority: CN
Inventors: 张帅
Original assignee: Hunan Yitongjin Intelligent Manufacturing Co ltd
Current assignee: Hunan Yitongjin Intelligent Manufacturing Co ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-09-01
Anticipated expiration: 2029-10-29

Abstract

The utility model discloses an automatic attack tooth machine and attack tooth mechanism belongs to machining equipment technical field, and the tooth mechanism of attacking who has solved current tooth machine needs utilize the gear meshing of electromagnetic clutch switching different numbers of teeth in order to realize the problem of working stroke according to pitch advance and retreat when attacking the tooth operation, and its technical essential is: the tapping mechanism is connected with the transmission screw through the gear transmission mechanism, the inner shaft and the outer shaft are arranged in a screw tap chuck of the tapping mechanism in a sliding mode, a pitch spring is arranged between the inner shaft and the outer shaft, and under the condition that the pitch of the transmission screw is larger than the pitch of the screw tap, the inner shaft overcomes the elastic force of the pitch adaptive pitch spring and performs axial adjustment upwards to compensate the distance difference.

Description

Tapping mechanism for automatic tapping machine

Technical Field

The utility model relates to a machining equipment technical field specifically relates to an automatic attack tooth machine and attack tooth mechanism.

Background

The fastener is a mechanical basic part which is used for fastening and connecting and has wide application, at present, the fastener is used in a plurality of fields such as machinery, equipment, vehicles, ships, railways, bridges, buildings, structures, tools, instruments, appliances, supplies and the like, and the fastener is mainly used for fastening and connecting two or more parts or components together. The traditional fastener tapping processing is that a workpiece is manually placed in a clamp seat, a clamp is manually operated to clamp the clamp, then a tapping drill is manually pressed down to perform tapping operation, and a switch is manually pressed after tapping to enable a motor to reversely rotate and withdraw.

The whole process has high labor intensity of operators, and the tapping machine is used as a mechanical processing device for processing internal threads, screws or tooth buttons on the inner side surfaces of holes of various parts with through holes or blind holes of different specifications, such as a part shell, an equipment end surface, a nut, a flange plate and the like.

Therefore, it is desirable to provide a tapping mechanism for an automatic tapping machine, which aims to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides an automatic attack tooth machine and attack tooth mechanism to solve the problem among the above-mentioned background art.

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

the utility model provides an automatic attack tooth machine and attack tooth mechanism, includes drive screw, gear drive, attacks tooth mechanism, and drive screw passes through gear drive and connects and attack tooth mechanism, gear drive includes upper cover plate, drive gear seat, lower apron and installs the gear in drive gear seat, and the gear is including installing first gear, second gear, third gear and the fourth gear in drive gear seat, and drive screw connects first gear, and first gear engagement connects the second gear, and the third gear is connected to second gear bottom, and the fourth gear is connected in the meshing of third gear side, and the tap chuck is connected to the fourth gear, and the tap is connected to the tap chuck, and tap chuck and tap constitution are attacked tooth mechanism.

As a further aspect of the present invention, the drive screw is mounted on the screw base plate, the drive screw is mounted on the bearing through the first nut, and the bearing is mounted in the first gear.

As a further aspect of the present invention, the third gear and the second gear are coaxially and fixedly connected, and the third gear and the second gear rotate synchronously.

As a further scheme of the utility model, install the nut seat on the fourth gear, install the screw tap chuck in the nut seat, the screw tap chuck is connected with nut seat and fourth gear through the second nut.

As the utility model discloses further scheme, the screw tap chuck includes interior axle, outer axle, chuck and chuck nut, and interior axle setting is in the inside guiding hole of outer axle, and the nut seat is connected through the second nut in outer axle top, is equipped with the slotted hole on the lateral wall of outer axle bottom, slides in the slotted hole and is provided with the dog, and the dog welding is on interior axle lateral wall.

As the utility model discloses a further scheme, the awl chuck includes interior axle, outer axle, chuck and chuck nut, interior axle setting is in the guiding hole of outer axle inside, and outer axle top is equipped with the guide way through second nut connection nut seat on the outer axle bottom inner wall, be equipped with the direction slider on the interior lateral wall of axle, the direction slider slides along the guide way and sets up.

As a further aspect of the present invention, a pitch spring is installed in the guide hole of the outer shaft of the inner shaft upper end.

As a further proposal of the utility model, the bottom end of the inner shaft is fixed with a chuck, and a chuck nut is arranged on the chuck.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses an automatic attack tooth machine and attack tooth mechanism, drive screw passes through gear drive and connects attack tooth mechanism, and adopt interior axle in attacking tooth mechanism's screw tap chuck, outer axle slides each other and sets up, and set up the mode of pitch spring between the two, be greater than under the condition of screw tap pitch at the drive screw pitch, interior axle overcomes the elasticity of pitch adaptation pitch spring and upwards carries out axial adjustment and compensate this distance difference, thereby carry out nimble adjustment through interior axle and the pitch spring between the outer axle, the compensation produces the distance difference, the efficiency of tapping operation is improved, the trouble of more changing the gear has been got rid of, the work efficiency is improved.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

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

Fig. 2 is a schematic structural view of a tap holder according to embodiment 1 of the present invention.

Fig. 3 is a schematic structural view of a tap holder according to embodiment 2 of the present invention.

Reference numerals: 1-screw base plate, 2-drive screw, 3-upper cover plate, 4-drive gear seat, 5-lower cover plate, 6-first nut, 7-bearing, 8-first gear, 9-second gear, 10-third gear, 11-fourth gear, 12-nut seat, 13-second nut, 14-screw tap chuck, 15-screw tap, 16-inner shaft, 17-outer shaft, 18-pitch spring, 19-guide hole, 20-slotted hole, 21-stop block, 22-chuck and 23-chuck nut.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.

Example 1

Referring to fig. 1-2, a tapping mechanism for an automatic tapping machine comprises a transmission screw 2, a gear transmission mechanism and a tapping mechanism, wherein the transmission screw 2 is connected with the tapping mechanism through the gear transmission mechanism, the transmission screw 2 is installed on a screw base plate 1, the transmission screw 2 is installed on a bearing 7 through a first nut 6, the bearing 7 is installed in a first gear 8, the first gear 8 is installed in a transmission gear seat 4, an upper cover plate 3 is installed at the top of the transmission gear seat 4, a lower cover plate 5 is installed at the bottom of the transmission gear seat 4, the upper cover plate 3, the transmission gear seat 4, the lower cover plate 5 and a gear installed on the transmission gear seat 4 form the gear transmission mechanism, the side surface of the first gear 8 is engaged with a second gear 9, the bottom of the second gear 9 is connected with a third gear 10, and the third gear 10 is coaxially and fixedly connected with the second gear 9, when the first gear 8 drives the second gear 9 to rotate, the third gear 10 rotates synchronously with the second gear 9; the side surface of the third gear 10 is in meshed connection with a fourth gear 11, a nut seat 12 is installed on the fourth gear 11, a screw tap chuck 14 is installed in the nut seat 12, and the screw tap chuck 14 is connected with the nut seat 12 and the fourth gear 11 through a second nut 13;

the tap chuck 14 is connected with the tap 15 at the bottom, the tap chuck 14 and the tap 15 form a tapping mechanism, the tap chuck 14 comprises an inner shaft 16, an outer shaft 17, a chuck 22 and a chuck nut 23, the inner shaft 16 is arranged in a guide hole 19 inside the outer shaft 17, the top of the outer shaft 17 is connected with a nut seat 12 through a second nut 13, a long slotted hole 20 is formed in the side wall of the bottom of the outer shaft 17, a stop 21 is arranged in the long slotted hole 20 in a sliding mode, the stop 21 is welded on the side wall of the inner shaft 16, a pitch spring 18 is arranged in the guide hole 19 of the outer shaft 17 at the upper end of the inner shaft 16, the chuck 22 is fixed at the bottom end of the inner shaft 16, the chuck nut 23 is arranged on the chuck 22, when the tap 15 is installed, a taper shank of the tap 15 is installed in the chuck 22, and then the.

Example 2

Referring to fig. 1 and 3, the tapping mechanism for the automatic tapping machine comprises a transmission screw 2, a gear transmission mechanism and a tapping mechanism, wherein the transmission screw 2 is connected with the tapping mechanism through the gear transmission mechanism, the tapping mechanism comprises a tap chuck 14 and a tap 15, the tap chuck 14 comprises an inner shaft 16, an outer shaft 17, a chuck 22 and a chuck nut 23, the inner shaft 16 is arranged in a guide hole 19 inside the outer shaft 17, the top of the outer shaft 17 is connected with a nut seat 12 through a second nut 13, a guide groove is formed in the inner wall of the bottom of the outer shaft 17, a guide slider is arranged on the side wall of the inner shaft 16 and slides along the guide groove, a pitch spring 18 is arranged in the guide hole 19 above the inner shaft 16, the chuck 22 is fixed at the bottom end of the inner shaft 16, the chuck nut 23 is arranged on the chuck 22, when the tap 15 is installed, a taper shank of the tap 15 is installed in the chuck, the installation of the tap 15 is then achieved by screwing the collet nut 23 so that the collet 22 clamps the tap 15 in place.

Adopt the utility model discloses a tapping mechanism, after the screw tap 15 of connecting interior axle 16 is rotatory to be advanced and is contacted the work piece, tapping mechanism forward speed receives the pitch control of screw tap 15 self, because the distance of advancing that every rotatory round of drive screw 2 produced for first nut 6 is inherent, so, every rotatory round of drive screw 2, interior axle 16 becomes the distance that advances a tooth screw tap 15 pitch and gets into the working stroke, 2 the screw pitches of drive screw are greater than under the condition of screw tap 15 pitch, every tooth that advances, interior axle 16 all overcomes the elasticity that pitch adaptation pitch spring 18 upwards carries out axial adjustment and compensates this distance difference, thereby carry out nimble adjustment through pitch spring 18 between interior axle 16 and the outer axle 17, the compensation produces the distance difference, the efficiency of tapping operation is improved, the trouble of more changing the gear has been got rid of, the work efficiency has been improved.

The rest of the structure of this example is the same as example 1.

The technical principle of the present invention has been described above with reference to specific embodiments, which are merely preferred embodiments of the present invention. The utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the all belongings the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. Those skilled in the art will appreciate that other embodiments of the invention can be devised which do not require inventive effort and which fall within the scope of the present invention.

Claims

1. A tapping mechanism for an automatic tapping machine comprises a transmission screw (2), a gear transmission mechanism and a tapping mechanism, wherein the transmission screw (2) is connected with the tapping mechanism through the gear transmission mechanism, the tapping mechanism is characterized in that the gear transmission mechanism comprises an upper cover plate (3), a transmission gear seat (4), a lower cover plate (5) and gears arranged in the transmission gear seat (4), the gears comprise a first gear (8), a second gear (9), a third gear (10) and a fourth gear (11) which are arranged in the transmission gear seat (4), the transmission screw (2) is connected with the first gear (8), the first gear (8) is meshed with the second gear (9), the bottom of the second gear (9) is connected with the third gear (10), the side surface of the third gear (10) is meshed with the fourth gear (11), the fourth gear (11) is connected with a tap chuck (14), and the tap chuck (14) is connected with a tap (15), the tap chuck (14) and the tap (15) form a tapping mechanism.

2. The tapping mechanism for an automatic tapping machine according to claim 1, wherein the drive screw (2) is mounted on the screw backing plate (1), the drive screw (2) being mounted on a bearing (7) by means of a first nut (6), the bearing (7) being mounted in the first gear (8).

3. The tapping mechanism for an automatic tapping machine according to claim 2, wherein the third gear (10) is coaxially and fixedly connected with the second gear (9), and the third gear (10) and the second gear (9) rotate synchronously.

4. The tapping mechanism for an automatic tapping machine according to claim 3, wherein the fourth gear (11) is provided with a nut holder (12), a tap holder (14) is mounted in the nut holder (12), and the tap holder (14) is connected to the nut holder (12) and the fourth gear (11) via a second nut (13).

5. The tapping mechanism for the automatic tapping machine according to claim 1, wherein the tap chuck (14) comprises an inner shaft (16), an outer shaft (17), a chuck (22) and a chuck nut (23), the inner shaft (16) is arranged in a guide hole (19) inside the outer shaft (17), the top of the outer shaft (17) is connected with the nut seat (12) through a second nut (13), a long slotted hole (20) is formed in the side wall of the bottom of the outer shaft (17), a stop block (21) is arranged in the long slotted hole (20) in a sliding manner, and the stop block (21) is welded on the side wall of the inner shaft (16).

6. The tapping mechanism for the automatic tapping machine according to claim 1, wherein the tap chuck (14) comprises an inner shaft (16), an outer shaft (17), a chuck (22) and a chuck nut (23), the inner shaft (16) is arranged in a guide hole (19) in the outer shaft (17), the top of the outer shaft (17) is connected with the nut seat (12) through a second nut (13), a guide groove is formed in the inner wall of the bottom of the outer shaft (17), and a guide slider is arranged on the side wall of the inner shaft (16) and slides along the guide groove.

7. The tapping mechanism for an automatic tapping machine according to claim 5 or 6, wherein a pitch spring (18) is mounted in a guide hole (19) of the outer shaft (17) at the upper end of the inner shaft (16).

8. The tapping mechanism for an automatic tapping machine according to claim 7, wherein a collet (22) is fixed to the bottom end of the inner shaft (16), and a collet nut (23) is mounted on the collet (22).