CN210524039U

CN210524039U - Tapping mechanism for nut processing

Info

Publication number: CN210524039U
Application number: CN201921112875.5U
Authority: CN
Inventors: 李丽松
Original assignee: Hangzhou Rongxian Mechanical Transmission Co Ltd
Current assignee: Hangzhou Rongxian Mechanical Transmission Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2020-05-15
Anticipated expiration: 2029-07-16

Abstract

The utility model relates to the technical field of nut processing equipment, and discloses a tapping mechanism for nut processing, which comprises a frame, a base, a rotating column, a placing platform tapping component and a stirring component; the grooved pulley is coaxially and fixedly connected with the rotating column, the poking assembly comprises a first rotating shaft and a second rotating shaft, the first rotating shaft is connected with a first poking rod, and one end of the first poking rod is connected with a first pin rod; the second rotating shaft is connected with a second poke rod, the two ends of the second poke rod are connected with a second pin rod, and the first pin rod and the second pin rod can poke the grooved wheel to rotate. Under the continuous effect of drive assembly and tapping subassembly, during the tapping, every 1/2 rings of nut rotation on the place the platform will overturn 1/4 rings under the effect of the first round pin pole on the first poker rod, make the garrulous back of breaking of the cutting bits among the tapping in-process in time outwards discharge, avoid the sweeps block between screw tap and nut, influence the tapping operation.

Description

Tapping mechanism for nut processing

Technical Field

The utility model relates to a nut processing equipment technical field especially relates to a tapping mechanism for nut processing.

Background

The nut is a part for tightly connecting mechanical equipment, the nut is a part which is screwed together with a bolt or a screw rod through threads on the inner side to play a fastening role, the nut and the bolt can be connected together only with the same specification, and the threads of the nut need to be tapped by tapping equipment. The traditional tapping means is that a wrenching twisting hand is manually used for driving a screw tap to be screwed into a central hole of a nut to process internal threads, and when tapping is carried out, each wrenching twisting hand 1/2 turns around 1/4 turns, so that cutting scraps are easy to discharge after being broken.

The tapping machine of prior art often processes out the internal thread in the centre bore that stretches into the nut through the motor drive screw tap, but prior art's tapping machine only utilizes the motor to drive the one-way rotation of screw tap and carries out the tapping, and the in-process of tapping lacks the screw tap and reverses this step, leads to the easy block of sweeps between screw tap and nut to hinder the tapping operation, need stop the tapping, the clearance sweeps just can continue the tapping, leads to the tapping relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses it is anticipated that a tapping mechanism for nut processing is provided to overcome the relatively poor problem of prior art's tapping effect.

In order to achieve the above purpose, the basic scheme of the utility model is as follows: a tapping mechanism for nut processing comprises a rack, wherein a base is fixedly installed in the rack, a vertical rotating column is connected to the base in a threaded mode, a placing platform is fixedly connected to the top of the rotating column, a fixing assembly for fixing a nut is arranged on the placing platform, and a tapping assembly is arranged above the placing platform; the grooved pulley is coaxially and fixedly connected with the rotating column, a poking assembly used for poking the grooved pulley to rotate is further arranged on the rack and comprises a first rotating shaft and a second rotating shaft which are vertical, the first rotating shaft and the second rotating shaft are rotatably connected to the base and are respectively positioned on two sides of the rotating column, the upper end of the first rotating shaft is connected with a first transverse poking rod, and one end, far away from the first rotating shaft, of the first poking rod is connected with a first pin rod; the upper end of the second rotating shaft is connected with a transverse second poke rod, two ends of the second poke rod are connected with second pin rods, the grooved wheel is provided with a plurality of radial grooves, and the first pin rods and the second pin rods can extend into the radial grooves to poke the grooved wheel to rotate; the rack is also provided with a driving assembly for driving the first rotating shaft and the second rotating shaft to rotate in opposite directions.

Further, the driving assembly comprises a first motor, an output shaft of the first motor is connected with a first gear, and the first gear is meshed with a second gear; the first rotating shaft is coaxially connected with a third gear, the second rotating shaft is coaxially connected with a fourth gear, the first gear is meshed with the fourth gear, the second gear is meshed with the third gear, and the motor can drive the third gear and the fourth gear to rotate in opposite directions through the mutual matching of the first gear and the second gear.

Further, fixed subassembly includes fixed ring of fixed connection on place the platform, it has a plurality of screw rods to rotate to run through on the fixed ring, the screw rod stretches into the intra-annular one end of fixed ring and rotates and be connected with the grip block.

Furthermore, the end face of the clamping block is provided with two crossed inclined planes, and the crossed part of the two inclined planes forms an included angle of 120 degrees.

Further, the tapping subassembly includes the mount pad, be equipped with the second motor on the mount pad, the output shaft of second motor has the screw tap, the tip of screw tap is relative with place the platform's center.

Furthermore, four synchronous cylinders are installed around the installation base and fixedly installed on the rack.

Further, the transmission ratio of the first gear, the second gear, the third gear and the fourth gear is 2: 2: 1: 1.

compared with the prior art, the scheme has the beneficial effects that:

1. the first motor is used as a power source, the second rotating shaft drives the second poke rod to continuously rotate through the mutual matching of the first gear and the fourth gear, and the second pin rod on the second poke rod pokes the grooved wheel to rotate; through the mutual cooperation of first gear and second gear, third gear, make first axis of rotation drive first poker rod and continuously rotate, first round pin pole on the first poker rod stirs the sheave and rotates, makes the sheave drive the nut rotation on the place the platform through rotating the post, and the screw tap stretches into and stretches into the centre bore of nut at nut pivoted in-process and carries out the tapping, realizes automatic tapping.

2. Toggle the subassembly through stirring the sheave and rotating the post, make place the platform drive the nut and every rotate 1/2 circles, will overturn 1/4 circles under the subassembly effect of stirring, make the garrulous back of breaking of the smear metal among the tapping in-process in time outwards discharge, avoid the sweeps block to influence the tapping progress between screw tap and nut to the effect of tapping has been improved.

Drawings

Fig. 1 is a schematic structural view of a tapping mechanism for nut processing according to the present invention;

FIG. 2 is a schematic diagram illustrating a positional relationship between the driving assembly and the toggle assembly of FIG. 1;

fig. 3 is a schematic structural view of the fixing assembly of the present invention;

fig. 4 is a schematic view illustrating the initial positions of the first and second poke rods according to the present invention;

FIG. 5 is a schematic view of the second pin striking the sheave;

fig. 6 is a schematic view of the state that the first pin rod toggles the sheave.

Reference numerals in the drawings of the specification include: the device comprises a rack 1, a base 11, a mounting seat 2, a second motor 21, a screw tap 22, a synchronous cylinder 23, a rotating column 3, a placing platform 31, a grooved wheel 32, a radial groove 33, a fixing ring 4, a screw rod 41, a clamping block 42, a first rotating shaft 5, a first poke rod 51, a first pin rod 52, a third gear 53, a second rotating shaft 6, a second poke rod 61, a second pin rod 62, a fourth gear 63, a first motor 7, a first gear 71 and a second gear 72.

Detailed Description

The invention will be described in further detail by means of specific embodiments with reference to the accompanying drawings:

example (b):

as shown in fig. 1 and 3, a tapping mechanism for nut processing, which comprises a frame 1, fixed mounting has base 11 in frame 1, threaded connection has vertical rotation post 3 on the base 11, the top fixedly connected with place the platform 31 of rotation post 3, place the platform 31 is equipped with the fixed subassembly that is used for fixation nut, fixed subassembly includes solid fixed ring 4 of fixed connection on place the platform 31, gu rotate on the fixed ring 4 and run through six screws 41, screw 41 stretches into solid fixed ring 4 in one end and rotates and be connected with grip block 42, the lower terminal surface of grip block 42 offsets with place the platform 31, the terminal surface of grip block 42 is for being equipped with two crossing inclined planes, the crossing part of two inclined planes is 120 contained angles.

As shown in fig. 1, a tapping assembly is arranged above the placing platform 31, the tapping assembly comprises a mounting base 2, four synchronous cylinders 23 are mounted around the mounting base 2, the synchronous cylinders 23 are fixedly mounted on the frame 1, a second motor 21 is fixedly mounted at the bottom of the mounting base 2, an output shaft of the second motor 21 is connected with a screw tap 22, and the end of the screw tap 22 is opposite to the center of the placing platform 31.

As shown in fig. 1 and 2, a sheave 32 is coaxially and fixedly connected to the rotating column 3, a shifting assembly for shifting the sheave 32 to rotate is further arranged on the frame 1, the shifting assembly includes a first vertical rotating shaft 5 and a second vertical rotating shaft 6, the first rotating shaft 5 and the second rotating shaft 6 are rotatably connected to the base 11 and are respectively located at two sides of the rotating column 3, the upper end of the first rotating shaft 5 is connected with a first horizontal shifting rod 51, and one end of the first shifting rod 51, which is far away from the first rotating shaft 5, is connected with a first pin rod 52; the upper end of the second rotating shaft 6 is connected with a transverse second poke rod 61, two ends of the second poke rod 61 are connected with second pin rods 62, the grooved wheel 32 is provided with four radial grooves 33, and the first pin rod 52 and the second pin rods 62 can extend into the radial grooves 33 to poke the grooved wheel 32 to rotate.

As shown in fig. 1, the frame 1 is further provided with a driving assembly for driving the first rotating shaft 5 and the second rotating shaft 6 to rotate in opposite directions, the driving assembly includes a first motor 7, an output shaft of the first motor 7 is connected with a first gear 71, and the first gear 71 is engaged with a second gear 72; first axis of rotation 5 coaxial coupling has third gear 53, and second axis of rotation 6 coaxial coupling has fourth gear 63, first gear 71 and fourth gear 63 intermeshing, second gear 72 and third gear 53 intermeshing, and the motor can drive third gear 53 and the mutual antiport of fourth gear 63 through first gear 71 and the mutual cooperation of second gear 72.

Specifically, the gear ratios of the first gear 71, the second gear 72, the third gear 53 and the fourth gear 63 are 2: 2: 1: 1.

the specific implementation mode of the scheme is as follows: firstly, nuts to be tapped are placed on the placing platform 31, the screw rods 41 on the fixing rings 4 are respectively rotated, so that the screw rods 41 drive the clamping blocks 42 to move towards the direction of the nuts in the rotating process, and finally the nuts are fixed at the central position of the placing platform 31. Then, the four synchronous cylinders 23 are adjusted, the synchronous cylinders 23 push the mounting base 2 to move downwards, and the mounting base 2 drives the second motor 21 and the screw tap 22 to synchronously move downwards until the tail end of the screw tap 22 abuts against a central hole of the nut.

In the initial state as shown in fig. 4, the first motor 7 and the second motor 21 are turned on, and the tap 22 is rotated by the second motor 21 to start the tapping operation. The output shaft of the first motor 7 drives the first gear 71 to rotate clockwise, the first gear 71 drives the fourth gear 63 engaged therewith to rotate counterclockwise, the fourth gear 63 drives the second dial rod 61 to rotate counterclockwise synchronously through the second rotating shaft 6, the second dial rod 61 drives the second pin rods 62 at both ends thereof to rotate around the second rotating shaft 6 in the process of rotating counterclockwise, and the second pin rods 62 extend into one of the radial grooves 33 of the grooved pulley 32 in the process of rotating, and the grooved pulley 32 is toggled to rotate 1/4 circles clockwise (as shown in fig. 5), the grooved pulley 32 drives the rotating column 3 coaxially and fixedly connected therewith to rotate synchronously, because the rotating column 3 is connected to the base 11 by screw threads, the rotating column 3 also drives the nut on the placing platform 31 to rotate synchronously and move upwards for a short distance in the process of rotating, so that the tap 22 extends into the central hole of the nut, and tapping the nut.

The first motor 7 continuously outputs, in the process of rotating the second tap rod 61 counterclockwise, the second pin rod 62 at the other end of the second tap rod 61 extends into the radial groove 33 of the sheave 32, and continuously stirs the sheave 32 to rotate 1/4 circles clockwise, so that the sheave 32 drives the nut on the placing platform 31 to rotate again through the rotating column 3 and move upwards for a short distance, and the screw tap 22 extends into the central hole of the nut to tap the nut again.

Synchronously, in the process that the first motor 7 drives the first gear 71 to rotate, the first gear 71 drives the third gear 53 to rotate clockwise through the second gear 72, the third gear 53 drives the first tap rod 51 to rotate clockwise through the first rotating shaft 5, when the second pin rod 62 on the second tap rod 61 dials the sheave 32 twice, the second pin rod 62 is disengaged from the radial groove 33 of the sheave 32, and the first pin rod 52 gradually extends into the radial groove 33 of the sheave 32 along with the first tap rod 51 in the rotating process, and dials the sheave 32 to rotate 1/4 circles counterclockwise (as shown in fig. 6), so that the sheave 32 drives the nut on the placing platform 31 to rotate counterclockwise through the rotating column 3 and move downward for a short distance, so that the tap 22 rotates reversely in the central hole of the nut and moves outward of the central hole of the nut, and the chip fragments are discharged outward, avoid the sweeps block between screw tap 22 and nut, influence the effect of tapping.

Under the continuous output of the first motor 7 and the second motor 21, when tapping, the nut on the placing platform 31 rotates for 1/2 circles, and turns back for 1/4 circles under the action of the first pin rod 52 on the first poke rod 51, so that the chips in the tapping process are timely discharged outwards after being broken, and the tapping effect is improved.

The above description is only an example of the present invention, and the common general knowledge of the known specific structures and characteristics of the embodiments is not described herein. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.

Claims

1. The utility model provides a tapping mechanism for nut processing, includes frame (1), its characterized in that: a base (11) is fixedly installed in the rack (1), a vertical rotating column (3) is connected to the base (11) in a threaded mode, a placing platform (31) is fixedly connected to the top of the rotating column (3), a fixing assembly used for fixing a nut is arranged on the placing platform (31), and a tapping assembly is arranged above the placing platform (31); the rotary column (3) is coaxially and fixedly connected with a grooved pulley (32), the rack (1) is further provided with a shifting assembly used for shifting the grooved pulley (32) to rotate, the shifting assembly comprises a first vertical rotating shaft (5) and a second vertical rotating shaft (6), the first rotating shaft (5) and the second rotating shaft (6) are rotatably connected to the base (11) and are respectively positioned on two sides of the rotary column (3), the upper end of the first rotating shaft (5) is connected with a first transverse shifting rod (51), and one end, away from the first rotating shaft (5), of the first shifting rod (51) is connected with a first pin rod (52); the upper end of the second rotating shaft (6) is connected with a transverse second poke rod (61), two ends of the second poke rod (61) are connected with second pin rods (62), the grooved wheel (32) is provided with a plurality of radial grooves (33), and the first pin rod (52) and the second pin rod (62) can extend into the radial grooves (33) to poke the grooved wheel (32) to rotate; the rack (1) is also provided with a driving assembly for driving the first rotating shaft (5) and the second rotating shaft (6) to rotate in opposite directions.

2. The tapping mechanism for nut machining according to claim 1, characterized in that: the driving assembly comprises a first motor (7), an output shaft of the first motor (7) is connected with a first gear (71), and a second gear (72) is meshed with the first gear (71); first axis of rotation (5) coaxial coupling has third gear (53), second axis of rotation (6) coaxial coupling has fourth gear (63), first gear (71) and fourth gear (63) intermeshing, second gear (72) and third gear (53) intermeshing, the motor can drive third gear (53) and fourth gear (63) antiport through first gear (71) and second gear (72) mutually supporting.

3. The tapping mechanism for nut machining according to claim 1, characterized in that: fixed subassembly includes fixed ring (4) of fixed connection on place the platform (31), it has a plurality of screw rods (41) to rotate to run through on fixed ring (4), screw rod (41) stretch into the one end rotation in fixed ring (4) and are connected with grip block (42).

4. The tapping mechanism for nut machining according to claim 3, wherein: the end face of the clamping block (42) is provided with two crossed inclined planes, and the crossed part of the two inclined planes forms an included angle of 120 degrees.

5. The tapping mechanism for nut machining according to claim 1, characterized in that: the tapping subassembly includes mount pad (2), be equipped with second motor (21) on mount pad (2), the output shaft of second motor (21) has screw tap (22), the tip of screw tap (22) is relative with the center of place the platform (31).

6. The tapping mechanism for nut machining according to claim 5, wherein: four synchronous cylinders (23) are installed around the mounting base (2), and the synchronous cylinders (23) are fixedly installed on the rack (1).

7. The tapping mechanism for nut machining according to claim 2, characterized in that: the transmission ratio of the first gear (71), the second gear (72), the third gear (53) and the fourth gear (63) is 2: 2: 1: 1.