CN211758993U

CN211758993U - Double-end bolt threading machine

Info

Publication number: CN211758993U
Application number: CN202020198225.3U
Authority: CN
Inventors: 高峰; 吴锟; 魏利; 王福荣; 马玉龙; 张伟
Original assignee: China Coal Xinji Energy Co Ltd
Current assignee: China Coal Xinji Energy Co Ltd
Priority date: 2020-02-21
Filing date: 2020-02-21
Publication date: 2020-10-27
Anticipated expiration: 2030-02-21

Abstract

The utility model discloses double-end bolt mantle fiber machine includes: the support base, frames, trolleys, a motor, a gearbox, a driving gear, a driven gear, a hand wheel, a chain wheel, a fixed pulley, a threading die sleeve, an eccentric clamping device, a hand wheel shaft, a driven shaft, a fixed pulley shaft and output shafts, wherein the threading die sleeve is respectively arranged on the two output shafts, a threading die is arranged on the threading die sleeve, the hand wheel shaft and the driven shaft which are parallel to each other are respectively arranged between the two frames between the two threading die sleeves, one end of the hand wheel shaft extends out of one frame, the hand wheel is arranged on the end of the hand wheel shaft, the driving gear and the chain wheel are arranged on the hand wheel shaft between the two frames, the driven gear and the chain wheel are arranged on the driven shaft between the two frames, the driving gear is meshed with the driven gear, the fixed pulley shaft is respectively arranged between the two frames outside the two trolleys, the fixed pulley shaft is respectively provided with the fixed pulley, and two steel wire, an eccentric clamping device is arranged on the frame between the two wrench tooth sleeves.

Description

Double-end bolt threading machine

Technical Field

The utility model relates to an equipment of processing is carried out stud's screw thread, especially can process the screw thread at both ends simultaneously.

Background

At present, a known threading machine is generally used for processing pipe threads, a motor clamps a steel pipe in a mode that an operator repeatedly pulls a chuck by hand, the process is realized by multiple times of impacts of the chuck and a clamping jaw, then the motor is started, the operator lifts a cutter head up to a slope, then a hand wheel is rotated, a threading die on the cutter head is cut into a steel pipe head by continuous force application, the processing target is realized, when a roller of the cutter head slides off the slope, the threading die retracts under the action of a spring and is separated from the steel pipe, threading is finished, the hand wheel is shaken again to withdraw the cutter head, then the motor is stopped, the chuck is pushed by reverse force application, the clamping jaw is opened, the steel pipe is taken out. The clamping of the equipment completely depends on manpower to repeatedly clamp, the palm is also repeatedly relied on to apply force when the material is taken, the physical consumption of an operator is large, only one end of a thread can be machined at each time, the efficiency is low, the threading is completely depended on the traction of the threading along the direction of a pipe in the machining process, the movement of a cutter head is sliding, large friction force is formed, and then the threading is broken and cracked, and the quality problem is caused.

Disclosure of Invention

The invention aims to solve the problem that a bolt threading machine can only thread one end of a bolt at a time, and provides a double-headed bolt threading machine.

The utility model discloses a double-end bolt mantle fiber machine, it includes: support the base, the frame, the dolly, including a motor, an end cap, a controller, and a cover plate, the gearbox, the driving gear, driven gear, the hand wheel, the sprocket, the fixed pulley, the die sleeve, eccentric binding clasp, the hand wheel axle, the driven shaft, fixed pulley axle and output shaft, the frame of two parallels is fixed at the support base, two dollies are equipped with between two frames, two dollies roll on two frames through the wheel that is equipped with on it, motor and gearbox are equipped with on every dolly, the motor drives the gearbox rotation, the output shaft of gearbox is adorned respectively between two dollies and be on a parallel with the frame, wherein: the two output shafts are respectively provided with a screw die sleeve, a screw die is arranged on the screw die sleeve, a hand wheel shaft and a driven shaft which are parallel to each other are respectively arranged between two frames between the two screw die sleeves, one end of the hand wheel shaft extends out of one frame, a hand wheel is arranged at the end of the hand wheel shaft, a driving gear and a chain wheel are arranged on the hand wheel shaft between the two frames, the driven gear and the chain wheel are arranged on the driven shaft between the two frames, the driving gear is meshed with the driven gear, fixed pulley shafts are respectively arranged between the two frames at the outer sides of the two trolleys, fixed pulleys are respectively arranged on the two fixed pulley shafts, a steel wire rope is wound on the fixed pulleys, one end of the steel wire rope is fixed on the trolley close to the fixed pulley, the other end of the steel wire rope is connected with one end of a chain wound on the chain wheel, the other end of the chain is connected with one end of, an eccentric clamping device is arranged on a frame between the two die bushes, a bolt rod penetrates through the eccentric clamping device and is clamped by the eccentric clamping device, and two ends of the bolt rod are arranged on dies of the die bushes for processing.

The utility model discloses a double-end bolt mantle fiber machine, wherein: the driving gear and the driven gear are two gears with the same diameter.

The utility model discloses a double-end bolt mantle fiber machine, wherein: the diameters of the chain wheel and the fixed pulley are the same.

The utility model discloses a double-end bolt mantle fiber machine, wherein: the rear end of the die sleeve is connected with the output shaft through a key, the output shaft drives the die sleeve to rotate, the die is fixed at the front end of the die sleeve through a pin, and at least one deslagging hole is formed in the die sleeve between the die and the output shaft.

The utility model discloses a double-end bolt mantle fiber machine, wherein: the eccentric binding clasp comprises: the automatic wrench comprises a base, a rotary seat, a rotary bearing, a machine shell, fixed wheels, a movable eccentric wheel and rolling bearings, wherein the base is arranged on a frame between two wrench sockets, the rotary seat is fixed on the base, the rotary seat is arranged on the machine shell through the rotary bearing, two fixed wheels, two movable eccentric wheels and two rolling bearings are arranged in the machine shell, the two fixed wheels are respectively fixed on two sides of the machine shell, inner rings of the two rolling bearings are respectively fixed on the outer circumference of the fixed wheels between the two fixed wheels, outer rings of the two rolling bearings are respectively fixed on the two movable eccentric wheels, a force applying rod is respectively arranged on the outer circumferences of the two movable eccentric wheels, the fixed wheels and the movable eccentric wheels are provided with bolt holes, the bolt holes correspond to the wrench teeth, and the central lines of the movable eccentric wheels and the fixed wheels and the rolling.

The utility model discloses a double-end bolt mantle fiber machine, wherein: the eccentric binding clasp further comprises: the supporting base close to the base is provided with the supporting rod, one end of the supporting rod is provided with the hook through a pin shaft, and the two stressing rods are fixed on the hook after rotating for a certain angle.

The utility model discloses a stud mantle fiber machine compares with current bolt mantle fiber machine, has following beneficial effect:

1. the wheel type trolley is in a rolling form, so that the problem of tooth form quality caused by walking resistance transmitted to the trolley by the threading die in the threading and withdrawing processes is solved, and the rolling friction force is far smaller than the sliding friction force according to the well-known principle;

2. the two threading dies work simultaneously, so that the problem that the torsion generated by the operation of the original threading die and the clamping force of the clamping jaw form acting force and reacting force is solved, the torsion of the two threading dies are equal in magnitude and opposite in rotating direction, act on a straight line and are mutually offset, the physical strength of an operator is released, and the threading operation becomes extremely easy;

3. the rotary eccentric wheel set is utilized, so that the loading and the unloading are easy and random, and a large amount of clamping time is saved.

Drawings

Fig. 1 is a schematic view of the double-headed bolt threading machine of the present invention in a downward direction;

FIG. 2 is a schematic view in elevation of the view of FIG. 1A-A;

FIG. 3 is a schematic view at the front magnification of FIG. 1B-B;

FIG. 4 is a side view of FIG. 1, showing only the eccentric holder in a side view for clarity, showing the clamping position of the force lever 24, i.e., in the hook 21, and the unlocking position of the force lever 24, i.e., in the upper end of the housing 27;

fig. 5 is a schematic cross-sectional view at fig. 4C-C.

In fig. 1 to 5, reference numeral 1 is a frame; reference numeral 2 is a wheel; the reference numeral 3 is a trolley; reference numeral 4 is a die sleeve; reference numeral 5 is a hand wheel shaft; reference numeral 6 is an eccentric clamper; reference numeral 7 is a driven shaft; reference numeral 8 is a transmission case; reference numeral 9 is a fixed pulley shaft; reference numeral 10 is a fixed pulley; reference numeral 11 is a driving gear; reference numeral 12 is a sprocket; reference numeral 13 denotes a hand wheel; reference numeral 14 is a driven gear; reference numeral 15 is a chain; reference numeral 16 is a wire rope; reference numeral 17 is a motor; reference numeral 18 is a bolt shank; reference numeral 19 is a support base; reference numeral 20 is a support rod; reference numeral 21 is a hook; reference numeral 22 is a rotary base; reference numeral 23 is an output shaft; reference numeral 24 is a force application rod; reference numeral 25 is a slewing bearing; reference numeral 26 is a base; reference numeral 27 is a casing; reference numeral 28 is a fixed wheel; reference numeral 29 is a movable eccentric wheel; reference numeral 30 is a rolling bearing; reference numeral 31 denotes a threading die; reference numeral 32 is a slag discharge hole; reference numeral 33 denotes a bolt hole.

Detailed Description

The present invention will be further explained with reference to the drawings and examples

As shown in fig. 1 and 2, the double-headed bolt threading machine of the present invention includes: the automatic transmission device comprises a supporting base 19, frames 1, trolleys 3, a motor 17, a gearbox 8, a driving gear 11, a driven gear 14, a hand wheel 13, a chain wheel 12, a fixed pulley 10, threading die sleeves 4, an eccentric clamping device 6, a hand wheel shaft 5, a driven shaft 7, a fixed pulley shaft 9 and an output shaft 23, wherein the two parallel frames 1 are fixed on the supporting base 19, the two trolleys 3 are arranged between the two frames 1, the two trolleys 3 roll on the two frames 1 through wheels 2 arranged on the trolleys 3, the motor 17 and the gearbox 8 are arranged on each trolley 3, the motor 17 drives the gearbox 8 to rotate, the output shaft 23 of the gearbox 8 is respectively arranged between the two trolleys 3 and is parallel to the frames 1, the threading die sleeves 4 are respectively arranged on the two output shafts 23, threading dies 31 are arranged on the threading die sleeves 4, the hand wheel shaft 5 and the driven shaft 7 which are parallel to each other are respectively arranged between the, one end of a hand wheel shaft 5 is extended from one frame 1, a hand wheel 13 is mounted on the end of the hand wheel shaft 5, a driving gear 11 and a chain wheel 12 are mounted on the hand wheel shaft 5 between the two frames 1, a driven gear 14 and a chain wheel 12 are mounted on a driven shaft 7 between the two frames 1, the driving gear 11 is engaged with the driven gear 14, and the driving gear 11 and the driven gear 14 are two gears having the same diameter. Fixed pulley shafts 9 are respectively arranged between the two frames 1 at the outer sides of the two trolleys 3, fixed pulleys 10 are respectively arranged on the two fixed pulley shafts 9, and the diameters of the chain wheel 12 and the fixed pulleys 10 are the same. A steel wire rope 16 is wound on the fixed pulley 10, one end of the steel wire rope 16 is fixed on the trolley 3 close to the steel wire rope 16, the other end of the steel wire rope 16 is connected with one end of a chain 15 wound on the chain wheel 12, the other end of the chain 15 is connected with one end of another steel wire rope 16, the other end of another steel wire rope 16 is fixed on the trolley 3 close to the steel wire rope, an eccentric clamping device 6 is arranged on the frame 1 between the two wrench tooth sleeves 4, a bolt rod 18 penetrates through the eccentric clamping device 6 and is clamped by the eccentric clamping device 6, and two ends of the bolt rod 18 are arranged on the wrench teeth 31 of the wrench tooth sleeves 4 for processing.

As shown in fig. 3, the rear end of the die sleeve 4 is connected with the output shaft 23 through a key, the output shaft 23 drives the die sleeve 4 to rotate, the die 31 is fixed at the front end of the die sleeve 4 through a pin, and at least one deslagging hole 32 is formed in the die sleeve 4 between the die 31 and the output shaft 23.

As shown in fig. 4 and 5, the eccentric clamper 6 includes: a base 26, a rotary seat 22, a rotary bearing 25, a machine shell 27, a fixed wheel 28, a movable eccentric wheel 29, a rolling bearing 30, a support rod 20 and a hook 21, a base 26 is arranged on a frame 1 between two wrench teeth 4, a rotary seat 22 is fixed on the base 26, the rotary seat 22 is arranged on a machine shell 27 through a rotary bearing 25, two fixed wheels 28, two movable eccentric wheels 29 and two rolling bearings 30 are arranged in the casing 27, the two fixed wheels 28 are respectively fixed on two sides of the casing 27, the inner rings of the two rolling bearings 30 are respectively fixed on the outer circumference of the fixed wheel 28 between the two fixed wheels 28, the outer rings of the two rolling bearings 30 are respectively fixed on the two movable eccentric wheels 29, a force application rod 24 is respectively arranged on the outer circumferences of the two movable eccentric wheels 29, the fixed wheel 28 and the movable eccentric wheels 29 are provided with a bolt hole 33, the bolt hole 33 corresponds to the threading die 31, and the center line of the movable eccentric wheel 29 is not aligned with the center lines of the fixed wheel 28 and the rolling bearing 30. A supporting base 19 close to a base 26 is provided with a supporting rod 20, one end of the supporting rod 20 is provided with a hook 21 through a pin shaft, and two stressing rods 24 are fixed on the hook 21 after rotating for a certain angle.

Firstly, a shell 27 of the eccentric clamping device 6 is pulled to rotate for an angle, then a bolt rod 18 is inserted into bolt holes 33 of a fixed wheel 28 and a movable eccentric wheel 29, the shell 27 is rotated for the angle reversely, two ends of the bolt rod 18 are opposite to screw threads 31, then a hand wheel 13 is rotated to enable two trolleys 3 to approach each other, when the two screw threads 31 simultaneously abut against two ends of the bolt rod 18, the bolt rod 18 can slide in the bolt holes 33 due to the fact that the movable eccentric wheel 29 is not locked, automatic centering is achieved, at the moment, a force adding rod 24 is rotated to a hook 21, then a motor 17 is started, the hand wheel 13 is rotated forwardly, meanwhile, the hand wheel 13 is rotated forwardly to apply a centripetal thrust force to the two screw threads 31 simultaneously, the screw threads 31 can cut into the bolt rod 18 smoothly, threading is achieved, once normal threading is carried out, the hand wheel 13 does not need to apply force again, the two trolleys 3 are pulled by, the turning device moves towards the middle along the runway, after the length of the threading reaches the requirement, the motor 17 is changed into reverse rotation, the trolley 3 reversely exits from the bolt rod 18 under the action of the screw die 31, after the trolley completely exits, the hand wheel 13 is rotated to enable the two screw dies 31 to be far away from the bolt rod 18, then the hook 21 is loosened, the stressing rod 24 rotates to the upper end position in the figure 4 to be unlocked, the machined stud bolt can be drawn out from the eccentric clamp 6, and the work is declared to be finished.

The above-mentioned embodiments are only for describing the preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall into the protection scope defined by the claims of the present invention.

Claims

1. A double-headed bolt threading machine, comprising: the automatic transmission comprises a supporting base (19), frames (1), trolleys (3), a motor (17), a gearbox (8), a driving gear (11), a driven gear (14), a hand wheel (13), a chain wheel (12), a fixed pulley (10), a threading die sleeve (4), an eccentric clamping device (6), a hand wheel shaft (5), a driven shaft (7), a fixed pulley shaft (9) and an output shaft (23), wherein the two parallel frames (1) are fixed on the supporting base (19), two trolleys (3) are arranged between the two frames (1), the two trolleys (3) roll on the two frames (1) through wheels (2) arranged on the trolleys, the motor (17) and the gearbox (8) are arranged on each trolley (3), the motor (17) drives the gearbox (8) to rotate, the output shaft (23) of the gearbox (8) is respectively arranged between the two trolleys (3) and is parallel to the frames (1), the method is characterized in that: the two output shafts (23) are respectively provided with a spanner sleeve (4), the spanner sleeve (4) is provided with a spanner (31), a hand wheel shaft (5) and a driven shaft (7) which are parallel to each other are respectively arranged between the two frames (1) between the two spanner sleeves (4), one end of the hand wheel shaft (5) extends out of one frame (1), a hand wheel (13) is arranged on the end of the hand wheel shaft (5), a driving gear (11) and a chain wheel (12) are arranged on the hand wheel shaft (5) between the two frames (1), a driven gear (14) and a chain wheel (12) are arranged on the driven shaft (7) between the two frames (1), the driving gear (11) is meshed with the driven gear (14), fixed pulley shafts (9) are respectively arranged between the two frames (1) at the outer sides of the two trolleys (3), and fixed pulleys (10) are respectively arranged on the two fixed pulley shafts (9), a steel wire rope (16) is wound on a fixed pulley (10), one end of the steel wire rope (16) is fixed on a trolley (3) close to the fixed pulley, the other end of the steel wire rope (16) is connected with one end of a chain (15) wound on a chain wheel (12), the other end of the chain (15) is connected with one end of another steel wire rope (16), the other end of another steel wire rope (16) is fixed on the trolley (3) close to the fixed pulley, an eccentric clamping device (6) is arranged on a frame (1) between two wrench tooth sleeves (4), a bolt rod (18) penetrates through the eccentric clamping device (6) and is clamped by the eccentric clamping device (6), and two ends of the bolt rod (18) are arranged on wrench teeth (31) of the wrench tooth sleeves (4) for processing.

2. The stud threading machine of claim 1, wherein: the driving gear (11) and the driven gear (14) are two gears with the same diameter.

3. The stud threading machine of claim 2, wherein: the diameter of the chain wheel (12) is the same as that of the fixed pulley (10).

4. The stud threading machine of claim 3, wherein: the rear end of the wrench socket (4) is connected with the output shaft (23) through a key, the output shaft (23) drives the wrench socket (4) to rotate, the wrench tooth (31) is fixed at the front end of the wrench socket (4) through a pin, and at least one deslagging hole (32) is formed in the wrench socket (4) between the wrench tooth (31) and the output shaft (23).

5. The stud threading machine of claim 4, wherein: the eccentric gripper (6) comprises: a base (26), a rotary seat (22), a rotary bearing (25), a machine shell (27), a fixed wheel (28), a movable eccentric wheel (29) and rolling bearings (30), wherein the base (26) is arranged on a frame (1) between two wrench sockets (4), the rotary seat (22) is fixed on the base (26), the rotary seat (22) is arranged on the machine shell (27) through the rotary bearing (25), two fixed wheels (28), two movable eccentric wheels (29) and two rolling bearings (30) are arranged in the machine shell (27), the two fixed wheels (28) are respectively fixed on two sides of the machine shell (27), inner rings of the two rolling bearings (30) are respectively fixed on the outer circumference of the fixed wheel (28) between the two fixed wheels (28), outer rings of the two rolling bearings (30) are respectively fixed on the two movable eccentric wheels (29), a reinforcing rod (24) is respectively arranged on the outer circumferences of the two movable eccentric wheels (29), the fixed wheel (28) and the movable eccentric wheel (29) are provided with a bolt hole (33), the bolt hole (33) corresponds to the threading die (31), and the central line of the movable eccentric wheel (29) is not on the same straight line with the central lines of the fixed wheel (28) and the rolling bearing (30).

6. The stud threading machine of claim 5, wherein: the eccentric clamping device (6) further comprises: the supporting rod (20) is arranged on a supporting base (19) close to a base (26), the hook (21) is arranged at one end of the supporting rod (20) through a pin shaft, and the two stressing rods (24) are fixed on the hook (21) after rotating for a certain angle.