CN210548624U

CN210548624U - Stable form tapping machine

Info

Publication number: CN210548624U
Application number: CN201921383703.1U
Authority: CN
Inventors: 胡琼
Original assignee: Jinhua Buyun Electromechanical Equipment Co Ltd
Current assignee: Jinhua Buyun Electromechanical Equipment Co Ltd
Priority date: 2019-08-24
Filing date: 2019-08-24
Publication date: 2020-05-19
Anticipated expiration: 2029-08-24

Abstract

The utility model discloses a stable form tapping machine, its technical scheme main points are stable form tapping machine, which comprises a mounting table, fixed connection is the fixing base on the mount table, it has first linking arm to articulate on the fixing base, the one end of keeping away from the fixing base on the first linking arm articulates there is the second linking arm, the one end of keeping away from first linking arm on the second linking arm is equipped with tapping mechanism, the one end threaded connection who is close to tapping mechanism on the second linking arm has first lead screw, be equipped with first motor on the second linking arm, be equipped with first gear on the output shaft of first motor, the meshing has the second gear on the first gear, the second gear passes through internal thread and the meshing of first lead screw. The utility model discloses a stability tapping machine can guarantee the stability of screw tap when the screw tap carries out the tapping to remote, can not appear that the screw tap is unstable to lead to beating partially, the cracked condition of screw tap.

Description

Stable form tapping machine

Technical Field

The utility model relates to a tapping machine, more specifically say, it relates to a stable form tapping machine.

Background

The tapping machine is a machine tool for processing internal threads by using a screw tap, and is an internal thread processing machine tool which is most widely applied. Tapping machine among the prior art generally includes the mount table, fixedly connected with stand on the mount table, it has the xarm to articulate on the stand, install tapping mechanism on the xarm, this kind of tapping machine can only use its stand as the centre of a circle, the xarm length between screw tap and the stand is the tapping to the work piece on the radial circular arc, working range often receives the restriction, when the region within the circular arc of needs carries out the tapping, then will remove the work piece, make the screw tap aim at the tapping position of work piece, then just can carry out tapping work, the operation is more troublesome, the process time is longer, machining efficiency is low.

To above-mentioned problem, chinese patent that publication number is CN205085502U discloses a tapping machine, through setting up the mount table, is equipped with the fixing base on the mount table, and it has first connecting arm to articulate on the fixing base, and the one end of keeping away from the fixing base at first connecting arm articulates there is the second linking arm, and the one end of keeping away from first connecting arm at the second linking arm is equipped with the screw tap mount pad, is equipped with the screw tap on the screw tap mount pad, is equipped with driving motor on the screw tap. Above-mentioned scheme sets up first linking arm and second linking arm through the articulated, realizes carrying out the tapping operation to each position on the work piece. But owing to set up first linking arm and second linking arm among the above-mentioned, and because the working radius is longer when carrying out the tapping to remote position, the work piece is great to the reaction force of screw tap production, and first linking arm and second linking arm are not big to the firm effect of screw tap this moment, lead to the unstable condition that leads to beat partially, screw tap fracture of screw tap.

SUMMERY OF THE UTILITY MODEL

To prior art existence because the working radius is longer, lead to the work piece great to the reaction force that the screw tap produced, lead to the screw tap unstability can lead to beating partially, the cracked not enough of screw tap, the utility model aims to provide a can guarantee the stability of screw tap when the screw tap carries out the tapping to remote, can not appear the screw tap unstability lead to beating partially, the cracked stable tapping machine of the condition of screw tap.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a stable form tapping machine, includes mount table, the fixing base of fixed connection on the mount table, it has first linking arm to articulate on the fixing base, the one end of keeping away from the fixing base on the first linking arm articulates there is the second linking arm, the one end of keeping away from first linking arm on the second linking arm is equipped with tapping mechanism, the one end threaded connection who is close to tapping mechanism on the second linking arm has first lead screw, be equipped with first motor on the second linking arm, be equipped with first gear on the output shaft of first motor, the meshing has the second gear on the first gear, the second gear passes through internal thread and the meshing of first lead screw.

By adopting the technical scheme, the mounting table is fixedly connected with the fixed seat, the fixed seat is hinged with the first connecting arm, one end, far away from the fixed seat, of the first connecting arm is hinged with the second connecting arm, and one end, far away from the first connecting arm, of the second connecting arm is provided with the tapping mechanism, so that the tapping mechanism can tap all positions of a workpiece; one end of the second connecting arm close to the tapping mechanism is in threaded connection with a first lead screw, a first motor is arranged on the second connecting arm, a first gear is arranged on an output shaft of the first motor, a second gear is meshed on the first gear, the second gear is meshed with the first lead screw through an internal thread, the first lead screw is driven by the first motor to move up and down, the second connecting arm is supported when one end of the first lead screw close to the mounting table is in surface contact with a workpiece, the tapping mechanism can stably work under the condition that the second connecting arm is guaranteed to be stable, and the first lead screw can be suitable for workpieces with different heights under the action of the first motor.

The utility model discloses further set up to: the one end that is close to the mount table on the first lead screw is equipped with the backup pad, be equipped with the spring between backup pad and the second linking arm, first lead screw runs through in the spring.

Through adopting above-mentioned technical scheme, the one end that is close to the mount table on first lead screw is equipped with the backup pad for the area of contact of increase and work piece, because there is the clearance during screw-thread fit on first lead screw and the second linking arm, be equipped with the spring between backup pad and second linking arm, first lead screw runs through in the spring, makes the backup pad can closely laminate with the work piece under the effect of spring.

The utility model discloses further set up to: the first lead screw is provided with a first through hole, the supporting plate is provided with a groove connected with the first through hole, and one end, far away from the supporting plate, of the first lead screw is connected with a vacuum pump.

Through adopting above-mentioned technical scheme, be equipped with first through-hole on first lead screw, be equipped with the recess of being connected with first through-hole in the backup pad, the one end of keeping away from the backup pad on the first lead screw is connected with the vacuum pump, and the air through the vacuum pump extraction recess makes the backup pad can adsorb the work piece firmly, has further ensured the stability of second linking arm.

The utility model discloses further set up to: the tapping mechanism comprises a third motor, and a screw tap is arranged on an output shaft of the third motor.

Through adopting above-mentioned technical scheme, tapping mechanism includes the third motor, is equipped with the screw tap on the output shaft of third motor, and the screw tap rotates under the drive of third motor, carries out the tapping operation to the work piece.

The utility model discloses further set up to: and the screw tap is provided with an overload protection chuck.

Through adopting above-mentioned technical scheme, be equipped with the overload protection chuck on the screw tap, the overload protection chuck has the effect of adjusting the moment of torsion size, attacks the blind hole bottom when the screw tap and surpasss the tight moment of torsion of overload protection chuck clamp, and the screw tap will skid in the overload protection chuck to play the effect of protection screw tap.

The utility model discloses further set up to: tapping mechanism is still including setting up the second through-hole on the second linking arm, be equipped with the movable plate with the laminating of second through-hole inner wall in the second through-hole, the third motor sets up on the movable plate, fixedly connected with fixed plate on the second through-hole, fixedly connected with second motor on the fixed plate, be equipped with the second lead screw on the output shaft of second motor, second lead screw and movable plate threaded connection.

By adopting the technical scheme, the tapping mechanism further comprises a second through hole formed in the second connecting arm, a moving plate attached to the inner wall of the second through hole is arranged in the second through hole, the third motor is arranged on the moving plate, and when the screw tap taps a workpiece, the moving plate moves downwards to enable the screw tap to tap continuously; the second through hole is fixedly connected with a fixed plate for fixedly mounting a second motor, an output shaft of the second motor is provided with a second lead screw, the second lead screw is in threaded connection with the movable plate, and the second lead screw is rotated by the second motor to drive the movable plate to move up and down.

The utility model discloses further set up to: the second motor and the second screw rod are arranged in two groups and are symmetrically arranged on two sides of the screw tap.

Through adopting above-mentioned technical scheme, second motor, second lead screw are equipped with two sets ofly and the symmetry sets up in the both sides of screw tap, guarantee that the movable plate keeps stable at the in-process that reciprocates.

The utility model discloses further set up to: the second through hole is provided with a sliding groove, and the moving plate is provided with a convex block sliding in the sliding groove.

By adopting the technical scheme, the sliding groove is formed in the second through hole, and the convex block sliding in the sliding groove is arranged on the moving plate, so that the moving plate cannot rotate in the moving process.

To sum up, the utility model discloses following beneficial effect has:

1. the first connecting arm and the second connecting arm are arranged in a hinged mode, so that the tapping mechanism can tap various positions of a workpiece, and a blind area cannot exist.

2. Through setting up first lead screw, first motor, first gear, second gear and playing the supporting role to the second linking arm, make the second linking arm can remain stable when the tapping operation, and can be applicable to the work piece of multiple height.

3. The supporting plate is used for increasing the contact area with the workpiece, the spring is used for eliminating the influence of thread gaps, the supporting plate can firmly adsorb the workpiece by arranging the first through hole, the groove and the vacuum pump, and the stability of the second connecting arm is further guaranteed.

Drawings

Fig. 1 is a front view of a stable tapping machine of the present invention, which is used for showing the overall structural design of the tapping machine;

FIG. 2 is a bottom view of the part A in FIG. 1, for showing the structural design of the part A;

FIG. 3 is a cross-sectional view of part A of FIG. 1, showing the internal structural design of part A;

fig. 4 is a schematic structural diagram of the part B in fig. 2, for embodying the structural design of the part B.

In the figure: 1. a support plate; 2. a first lead screw; 3. a vacuum pump; 4. a second connecting arm; 5. a first connecting arm; 6. a fixed seat; 7. an installation table; 8. a second lead screw; 9. a screw tap; 10. a chute; 11. a first motor; 12. a second gear; 13. a first gear; 14. a first through hole; 15. a second motor; 16. a fixing plate; 17. a third motor; 18. an overload protection chuck; 19. a second through hole; 20. moving the plate; 21. a groove; 22. a spring; 23. and (4) a bump.

Detailed Description

In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model provides a stable form tapping machine, as shown in fig. 1, through setting up mount table 7, fixedly connected with fixing base 6 on mount table 7, it has first linking arm 5 to articulate on fixing base 6, and the one end of keeping away from fixing base 6 on the first linking arm 5 articulates there is second linking arm 4, and the one end of keeping away from first linking arm 5 on second linking arm 4 is equipped with tapping mechanism, makes tapping mechanism can carry out the tapping operation to each position of work piece.

As shown in fig. 2, 3 and 4, the tapping mechanism includes a second through hole 19 disposed on the second connecting arm 4, a moving plate 20 attached to an inner wall of the second through hole 19 is disposed in the second through hole 19, a sliding slot 10 is disposed on the second through hole 19, and a protrusion 23 sliding in the sliding slot 10 is disposed on the moving plate 20, so that the moving plate 20 does not rotate during the moving process; a fixing plate 16 is fixedly connected to the second through hole 19 and used for fixedly mounting a second motor 15, a second screw 8 is arranged on an output shaft of the second motor 15, the second screw 8 is in threaded connection with the moving plate 20, and the second screw 8 is rotated by the second motor 15 to drive the moving plate 20 to move up and down; a third motor 17 is fixedly connected to the moving plate 20, a screw tap 9 is arranged on an output shaft of the third motor 17, and the screw tap 9 is driven by the third motor 17 to rotate so as to tap a workpiece; the overload protection chuck 18 is arranged on the screw tap 9, the overload protection chuck 18 has the function of adjusting the torque, and when the screw tap 9 taps the bottom of a blind hole and exceeds the torque clamped by the overload protection chuck 18, the screw tap 9 can slip in the overload protection chuck 18, so that the screw tap 9 is protected.

A first screw rod 2 is connected to one end, close to the tapping mechanism, of the second connecting arm 4 in a threaded manner, a first motor 11 is arranged on the second connecting arm 4, a first gear 13 is arranged on an output shaft of the first motor 11, a second gear 12 is meshed with the first gear 13, the second gear 12 is meshed with the first screw rod 2 through internal threads, the first screw rod 2 can move up and down under the driving of the first motor 11, a supporting plate 1 is arranged at one end, close to the mounting table 7, of the first screw rod 2 and used for increasing the contact area with a workpiece, and when the first screw rod 2 moves down under the driving of the first motor 11 to be in contact with the workpiece, the tapping mechanism is suitable for workpieces with different heights; because a gap exists between the first screw rod 2 and the second connecting arm 4 when the threads on the first screw rod are matched with the threads on the second connecting arm 4, a spring 22 is arranged between the support plate 1 and the second connecting arm 4, the first screw rod 2 penetrates through the spring 22, and the support plate 1 can be tightly attached to a workpiece under the action of the spring 22; a first through hole 14 is formed in the first screw rod 2, a groove 21 connected with the first through hole 14 is formed in the support plate 1, a vacuum pump 3 is connected to one end, away from the support plate 1, of the first screw rod 2, and air in the groove 21 is pumped through the vacuum pump 3, so that the support plate 1 can firmly adsorb a workpiece; the second connecting arm 4 is supported through the design of the structure, so that the second connecting arm 4 is kept stable, the supporting plate 1 can be firmly contacted with a workpiece under the action of the spring 22 and the vacuum pump 3, and the stability of the second connecting arm 4 is further ensured.

When tapping is carried out on a workpiece, the workpiece is fixed on the mounting table 7, the screw tap 9 is moved to a position right above a to-be-tapped position by rotating the first connecting arm 5 and the second connecting arm 4, the first motor 11 is started to enable the first screw rod 2 to move downwards until the supporting plate 1 is contacted with the surface of the workpiece, and at the moment, the vacuum pump 3 is started to pump air into the groove 21, so that the supporting plate 1 can firmly adsorb the workpiece; next, the third motor 17 is started to rotate the tap 9, and the second motor 15 is started to move the moving plate 20 downward, so that the tap 9 contacts the workpiece and continuously taps the workpiece.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a stable form tapping machine, includes mount table (7), fixing base (6) of fixed connection on mount table (7), it has first linking arm (5) to articulate on fixing base (6), the one end of keeping away from fixing base (6) on first linking arm (5) articulates there is second linking arm (4), the one end of keeping away from first linking arm (5) on second linking arm (4) is equipped with tapping mechanism, its characterized in that: one end threaded connection who is close to tapping mechanism on second linking arm (4) has first lead screw (2), be equipped with first motor (11) on second linking arm (4), be equipped with first gear (13) on the output shaft of first motor (11), the meshing has second gear (12) on first gear (13), second gear (12) are through internal thread and first lead screw (2) meshing.

2. A stabilized threading machine according to claim 1, wherein: one end of the first screw rod (2) close to the mounting table (7) is provided with a supporting plate (1), a spring (22) is arranged between the supporting plate (1) and the second connecting arm (4), and the first screw rod (2) penetrates through the spring (22).

3. A stabilized threading machine according to claim 2, wherein: be equipped with first through-hole (14) on first lead screw (2), be equipped with recess (21) of being connected with first through-hole (14) on backup pad (1), the one end of keeping away from backup pad (1) on first lead screw (2) is connected with vacuum pump (3).

4. A stabilized threading machine according to claim 1, wherein: the tapping mechanism comprises a third motor (17), and a screw tap (9) is arranged on an output shaft of the third motor (17).

5. A stabilized threading machine according to claim 4, wherein: and an overload protection chuck (18) is arranged on the screw tap (9).

6. A stabilized threading machine according to claim 4, wherein: tapping mechanism is still including setting up second through-hole (19) on second linking arm (4), be equipped with movable plate (20) with the laminating of second through-hole (19) inner wall in second through-hole (19), third motor (17) set up on movable plate (20), fixedly connected with fixed plate (16) on second through-hole (19), fixedly connected with second motor (15) on fixed plate (16), be equipped with second lead screw (8) on the output shaft of second motor (15), second lead screw (8) and movable plate (20) threaded connection.

7. A stabilized threading machine according to claim 6, wherein: the second motor (15) and the second screw rod (8) are provided with two groups and are symmetrically arranged on two sides of the screw tap (9).

8. A stabilized threading machine according to claim 6, wherein: the second through hole (19) is provided with a sliding groove (10), and the moving plate (20) is provided with a convex block (23) which slides in the sliding groove (10).