CN213679190U

CN213679190U - Rotary wire feeding device for barreled welding wires

Info

Publication number: CN213679190U
Application number: CN202021382270.0U
Authority: CN
Inventors: 张伟杰; 马小峰
Original assignee: Jiangsu Zhongjiang Welding Wire Co ltd
Current assignee: Jiangsu Zhongjiang Welding Wire Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-07-13
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a rotatory pay-off of barreled welding wire device, including welding wire drive mechanism, rotatory silk mechanism and frame of telling, rotatory silk mechanism of telling includes rotary drum, hollow shaft, bearing frame and first transmission subassembly, the hollow shaft up end is equipped with the wire inlet, and the lower terminal surface is equipped with the wire outlet, and hollow shaft upper portion and frame fixed connection, hollow shaft lower extreme stretch into in the rotary drum, and the bearing frame cover is established outside the hollow shaft, is equipped with the bearing between bearing frame and the hollow shaft, and bearing frame and rotary drum fixed connection, first transmission subassembly are connected with the bearing frame, be equipped with the guide wire pipe in the rotary drum, the guide wire pipe is smooth curvilinear figure, and guide wire pipe upper end connects the wire outlet, and guide wire pipe lower extreme penetrates in the rotary drum lateral wall, is connected with the spinning mouth of rotary drum lower limb department; the device can ensure that the wire feeding speed of the traction wheel is synchronous with the wire outlet linear speed at the wire outlet nozzle at a constant speed, and avoids the condition that the welding wire in the winding barrel is pulled to generate a messy wire stranded wire due to uneven speed.

Description

Rotary wire feeding device for barreled welding wires

Technical Field

The utility model belongs to the technical field of the welding wire manufacture equipment, concretely relates to rotatory wire device of unreeling of barreled welding wire.

Background

With the development of the welding industry in China and the continuous improvement of the technical level of welding wire production, the application of copper-plated welding wires is more and more extensive, the packaging forms of finished copper-plated welding wires are various, the coiling quality of the barreled welding wires is high, the requirement of large-scale automatic welding is met, and from the 90 s, many enterprises in China start to research the coiling of the barreled welding wires, and the coiling is slowly progressed due to market restriction.

Compared with the traditional wire reel winding and taking-up, the barreled taking-up is that finished welding wires are put into a taking-up winding barrel according to a specific rule, the taking-up is required to be smooth when the welding wires are placed, the wires cannot be disordered, equipment needs to rotate and pay off in the taking-up winding barrel downwards at the same time when the welding wires are paid off, so that the welding wires are circular and fall into the taking-up winding barrel, and the requirement on the wire feeding speed of the equipment for placing the welding wires is high. The existing wire unwinding equipment is unreasonable in arrangement, the condition that the wire unwinding speed is not uniform frequently occurs, the wire unwinding speed is slowed down, the wire coil which is already unwound in the wire winding barrel can be pulled, the wire winding barrel and the wire winding barrel are enabled to move relatively, the wire unwinding speed is increased, the welding wire which is put into the wire winding barrel is enabled to be too loose, the flatness in the barrel when the welding wire is put into the barrel at the back is influenced, the wire unwinding of the whole barrel of welding wire is enabled, the automatic welding is seriously influenced, and great waste is caused.

SUMMERY OF THE UTILITY MODEL

Wire speed is uneven when selecting to adorn the unwrapping wire to barreled welding wire among the prior art, leads to receiving the shortcoming of the indiscriminate line of welding wire in the line bucket easily, the utility model provides a barreled welding wire selects to adorn the unwrapping wire device can make the welding wire stable in speed when the unwrapping wire, reduces the incidence of indiscriminate line.

The utility model discloses technical scheme as follows: the barreled welding wire rotary unwinding device comprises a welding wire traction mechanism, a rotary unwinding mechanism and a rack, wherein the rotary unwinding mechanism comprises a rotary drum, a hollow shaft, a bearing seat and a first transmission assembly, a wire inlet is formed in the upper end face of the hollow shaft, a wire outlet is correspondingly formed in the lower end face of the hollow shaft, the upper part of the hollow shaft is fixedly connected with the rack through a cross rod, the lower end of the hollow shaft penetrates through the top surface of the rotary drum and extends into the rotary drum, the bearing seat is sleeved outside the hollow shaft, a bearing is arranged between the bearing seat and the hollow shaft, the lower end face of the bearing seat is fixedly connected with the rotary drum, the first transmission assembly is connected with the bearing seat; a yarn guide pipe is arranged in the rotary drum, the yarn guide pipe is of a smooth curve shape, the upper end of the yarn guide pipe is connected with a yarn outlet hole, and the lower end of the yarn guide pipe penetrates into the side wall of the rotary drum and is connected with a yarn discharge nozzle at the lower edge of the rotary drum; the welding wire traction mechanism is arranged above the rotary wire-feeding mechanism and comprises a traction wheel and a second transmission assembly, and the second transmission assembly drives the traction wheel to rotate to feed wires and feeds the welding wires into the hollow shaft.

Furthermore, the first transmission assembly comprises a first motor, a small belt pulley, a large belt pulley and a synchronous belt, an output shaft of the first motor is connected with the small belt pulley, the large belt pulley is sleeved on the bearing seat, and the large belt pulley is connected with the small belt pulley through the synchronous belt; the second transmission assembly comprises a rotating shaft and a second motor, and the second motor drives the traction wheel to rotate through the rotating shaft.

Furthermore, a rotating speed sensor A is arranged at the first motor, and a rotating speed sensor B is arranged at the second motor.

Further, the drum is cylindrical, the bottom of the drum is open, and the top of the drum is closed.

Furthermore, a winding barrel is arranged below the rotary drum, and the diameter of the winding barrel is larger than that of the rotary drum.

Furthermore, the number of the bearings is at least two, and the bearings comprise at least one deep groove ball bearing and at least one thrust ball bearing.

Furthermore, the lower end of the rack is fixedly connected with a base.

Compared with the prior art, the beneficial effects of the utility model are that:

the rotary wire-feeding mechanism in the device converts the free vertical downward movement of the welding wire into horizontal static movement until the welding wire falls into a lower coiling barrel, a welding wire traction mechanism arranged above the rotary wire-feeding mechanism rotates at a constant speed under the drive of a second motor, and the welding wire is fed into the lower rotary wire-feeding mechanism at a uniform speed; in order to ensure that the linear speed of the welding wire falling is completely equal to the linear speed of the rotary wire-throwing nozzle, a rotating speed sensor A is arranged at the first motor, a rotating speed sensor B is arranged at the second motor, the rotating speeds of the first motor and the second motor are monitored in real time, once a certain sensor monitors that the rotating speed changes, a control unit connected with the sensor and the motors immediately adjusts the rotating speed of the other motor, and the linear speed of the welding wire on a traction wheel is kept consistent with the linear speed of the welding wire at the wire-throwing nozzle at any time. Because the wire feeding speed of the traction wheel of the device and the wire discharging speed of the wire discharging nozzle are kept synchronous at a constant speed, the wire discharging speed of the device is uniform, and the phenomenon of wire disorder in the winding barrel cannot be caused.

Drawings

FIG. 1 is a schematic structural view of the present invention;

labeled as: the winding machine comprises a traction wheel 11, a rotating shaft 121, a second motor 122, a rotating speed sensor B, a rotary drum 21, a yarn guide pipe 211, a yarn spitting nozzle 212, a hollow shaft 22, a yarn inlet 221, a yarn outlet 222, a bearing seat 23, a bearing 231, a first motor 241, a small belt wheel 242, a large belt wheel 243, a synchronous belt 244, a rotating speed sensor A, a frame 3, a base 4 and a winding barrel 5.

Detailed Description

The invention is further described with reference to the following figures and examples.

As shown in figure 1, the utility model discloses the rotatory device of unreeling of barreled welding wire, including welding wire drive mechanism, rotatory mechanism, frame 3, base 4 and the winding barrel 5 of telling silk.

Frame 3 fixed mounting is on base 4, and winding barrel 5 is placed on the base, and 5 tops of winding barrel are rotatory telling silk mechanism, and rotatory telling silk mechanism top is unsettled to be provided with welding wire drive mechanism, welding wire drive mechanism and frame 3 fixed connection, and rotatory telling silk mechanism is connected on frame 3 through a horizontal pole.

The rotary silk spinning mechanism comprises a rotary drum 21, a hollow shaft 22, a bearing seat 23 and a first transmission assembly, wherein a silk inlet 221 is arranged on the upper end surface of the hollow shaft 22, a silk outlet 222 is correspondingly arranged on the lower end surface of the hollow shaft 22, the upper part of the hollow shaft 22 is fixedly connected with a frame 3 through a cross bar, the lower end of the hollow shaft 22 penetrates through the top surface of the rotary drum 21 and extends into the rotary drum 21, the bearing seat 23 is sleeved outside the hollow shaft 22, a bearing 231 is arranged between the bearing seat 23 and the hollow shaft 22, the lower end surface of the bearing seat 23 is fixedly connected with the rotary drum 21, the first transmission assembly is connected with the bearing seat 23 and comprises a first motor 241, a small belt pulley 242, a large belt pulley 243 and a synchronous belt 244, an output shaft of the first motor is connected with the small belt pulley 242, the large belt pulley 243 is sleeved on the bearing seat 23, the large belt pulley 243, the large pulley 243 rotates the bearing support 23 and the drum 21 simultaneously around the hollow shaft 22.

Since the rotary drum 21 is connected to the lower end of the bearing seat 23, the bearing seat 23 needs to rotate around the hollow shaft 22, and the bearing seat 23 has a vertical gravity with respect to the hollow shaft 22, i.e. the self-weight of the bearing seat 23 and the rotary drum 21, the bearing 231 between the bearing seat 23 and the hollow shaft 22 is provided with at least one deep groove ball bearing and one thrust ball bearing, so that the bearing seat 23 rotates more smoothly.

The rotary drum 21 is cylindrical, the bottom of the rotary drum 21 is open, the top of the rotary drum 21 is closed, a yarn guide pipe 211 is arranged in the rotary drum 21, the yarn guide pipe 211 is smooth and curved, the upper end of the yarn guide pipe 211 is connected with a yarn outlet hole 222, and the lower end of the yarn guide pipe 211 penetrates into the side wall of the rotary drum and is connected with a yarn delivery nozzle 212 at the lower edge of the rotary drum 21; the wire guide tube 211 is required to be naturally smooth and conform to the natural loose diameter of the welding wire during manufacturing, so that the friction resistance of the welding wire in the wire guide tube 211 is small; a winding barrel 5 is arranged below the rotary drum 21, and the diameter of the winding barrel 5 is larger than that of the rotary drum 21.

The welding wire traction mechanism is arranged above the rotary wire-feeding mechanism and comprises a traction wheel 11 and a second transmission assembly, the second transmission assembly comprises a rotating shaft 121 and a second motor 122, the second motor 122 drives the traction wheel 11 to rotate through the rotating shaft 121 and feed wires downwards, and the welding wires enter the hollow shaft 22 through the traction wheel 11.

The first motor 241 is provided with a rotation speed sensor A, the second motor 122 is provided with a rotation speed sensor B, the first motor 241, the second motor 122, the rotation speed sensor A and the rotation speed sensor B are all connected with a control unit, and the control unit controls the rotation speeds of the first motor 241 and the second motor 122 according to data collected by the rotation speed sensor A and the rotation speed sensor B.

In this apparatus, in order to ensure that the wire-discharging nozzle 212 is rotated at a constant speed to discharge the wire into the lower winding drum 5, the linear velocity of the welding wire passing through the traction wheel 11 and the linear velocity of the welding wire at the wire-discharging nozzle 212 should be kept in a constant speed synchronization state at any time, because the wire-discharging speed at the wire-discharging nozzle 212 is likely to change suddenly when a certain position is stuck or the speed changes suddenly, and the welding wire at the wire-discharging nozzle 212 pulls the coiled welding wire in the winding drum, so that the welding wire in the drum and the winding drum 5 move relatively to cause wire disorder.

The rotational speed relationship between the first motor 241 and the second motor 122 is as follows:

setting the rotating speed of a first motor to be v1, the transmission ratio of a rotary wire-spinning mechanism to be i1, and the diameter of a rotary drum to be d 1;

the rotating speed of the second motor is v2, the transmission ratio of the welding wire traction mechanism is i2, and the diameter of the traction wheel is d 2;

then v1 · i1 · pi d1= v2 · i2 · pi d 2;

the rotating speed of the first motor is v1= (i 2/i 1) · (d 2/d 1) · v2;

when the device is operated, the first motor rotating speed v1 and the second motor rotating speed v2 are initially set according to the formula, the rotating speed sensor A monitors the first motor rotating speed v1 in real time, the rotating speed sensor B monitors the second motor rotating speed v2 in real time, once the speed change of v1 or v2 occurs, the corresponding sensor transmits data to the control unit, and the other motor is regulated at any time so as to keep the constant-speed synchronous state between the two motors.

The above description is only for the preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes and substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are also intended to be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. Rotatory wire device of unreeling of barreled welding wire, its characterized in that: the welding wire feeding device comprises a welding wire traction mechanism, a rotary wire feeding mechanism and a rack, wherein the rotary wire feeding mechanism comprises a rotary drum, a hollow shaft, a bearing seat and a first transmission assembly; a yarn guide pipe is arranged in the rotary drum, the yarn guide pipe is of a smooth curve shape, the upper end of the yarn guide pipe is connected with a yarn outlet hole, and the lower end of the yarn guide pipe penetrates into the side wall of the rotary drum and is connected with a yarn discharge nozzle at the lower edge of the rotary drum; the welding wire traction mechanism is arranged above the rotary wire-feeding mechanism and comprises a traction wheel and a second transmission assembly, and the second transmission assembly drives the traction wheel to rotate to feed wires and feeds the welding wires into the hollow shaft.

2. The barreled welding wire rotary unreeling device according to claim 1, wherein: the first transmission assembly comprises a first motor, a small belt wheel, a large belt wheel and a synchronous belt, an output shaft of the first motor is connected with the small belt wheel, the large belt wheel is sleeved on the bearing seat, and the large belt wheel is connected with the small belt wheel through the synchronous belt; the second transmission assembly comprises a rotating shaft and a second motor, and the second motor drives the traction wheel to rotate through the rotating shaft.

3. The barreled welding wire rotary unreeling device according to claim 2, wherein: and a rotating speed sensor A is arranged at the first motor, and a rotating speed sensor B is arranged at the second motor.

4. The barreled welding wire rotary unreeling device according to claim 1, wherein: the drum is cylindrical, the bottom of the drum is open, and the top of the drum is closed.

5. The barreled welding wire rotary unreeling device according to claim 1, wherein: and a winding barrel is arranged below the rotary drum, and the diameter of the winding barrel is larger than that of the rotary drum.

6. The barreled welding wire rotary unreeling device according to claim 1, wherein: the number of the bearings is at least two, and the bearings comprise at least one deep groove ball bearing and at least one thrust ball bearing.

7. The barreled welding wire rotary unreeling device according to claim 5, wherein: the lower end of the rack is fixedly connected with a base.