CN214879091U

CN214879091U - Paying-off machine for wire harness production

Info

Publication number: CN214879091U
Application number: CN202121766292.1U
Authority: CN
Inventors: 王迎春; 程明达
Original assignee: Hebi Tianxin Electrical Appliances Co ltd
Current assignee: Hebi Tianxin Electrical Appliances Co ltd
Priority date: 2021-07-31
Filing date: 2021-07-31
Publication date: 2021-11-26
Anticipated expiration: 2031-07-31

Abstract

The utility model discloses a paying-off machine for producing wire harnesses, which comprises a frame, wherein one end of the frame is provided with a wire wheel fixing mechanism capable of lifting the height of a wire wheel, a first motor for driving the wire wheel to actively rotate for paying off is arranged in the wire wheel fixing mechanism, and the other end of the frame is provided with a wire guide mechanism for controlling the paying-off speed; the pay-off machine for the production of the wire harness is characterized in that the tail end of the wire guide mechanism is provided with a wire feeding wheel set used for actively feeding wires, the upstream end of the wire feeding wheel set is provided with a tensioning wheel capable of swinging up and down, a sensor used for monitoring the amount of exercise of the tensioning wheel is arranged in the wire guide mechanism, the output end of the sensor is electrically connected with a controller of a first motor, the pay-off machine for the production of the wire harness can effectively guarantee the tension of the wire harness and avoid the problem that the wire harness is broken, and meanwhile, the wire harness is convenient to disassemble and assemble.

Description

Paying-off machine for wire harness production

Technical Field

The utility model relates to a pencil production facility technical field specifically is a paying out machine is used in pencil production.

Background

When pencil production, need carry out the fixed length with the cable of coiled and cut and carry out operations such as wire stripping, this just involves the unwrapping wire operation, current pay-off frame divide into initiative unwrapping wire and two kinds of passive unwrapping wires when carrying out the unwrapping wire, the pay-off frame of initiative unwrapping wire is difficult to guarantee that tension appears, it is inaccurate to cause the line length measuring result, be difficult to guarantee the fixed length and cut, to passive pay-off frame, when carrying out the fine rule unwrapping wire, very easily cause the pencil to tear apart, influence production, and the line wheel quality of full line is often great, there is great degree of difficulty at assembly and dismantlement in-process.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a paying out machine for pencil production, can effectively guarantee unwrapping wire tension and avoid the pencil problem of tearing apart, the dismouting of the line wheel of being convenient for simultaneously can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a paying-off machine for producing wire harnesses comprises a rack, wherein a wire wheel fixing mechanism capable of lifting the height of a wire wheel is arranged at one end of the rack, a first motor for driving the wire wheel to actively rotate for paying off is arranged in the wire wheel fixing mechanism, and a wire guide mechanism for controlling the paying-off speed is arranged at the other end of the rack;

the wire guide mechanism is characterized in that a wire feeding wheel set used for actively feeding wires is arranged at the tail end of the wire guide mechanism, a tension wheel capable of swinging up and down is arranged at the upstream end of the wire feeding wheel set, a sensor used for monitoring the amount of motion of the tension wheel is arranged in the wire guide mechanism, and the output end of the sensor is electrically connected with a controller of a first motor.

As a preferred technical solution of the present invention, the wire guiding mechanism further comprises a swing arm installed to swing with the frame, the tension wheel is rotatably installed at a free end of the swing arm, and the sensor is an encoder capable of monitoring a swing angle of the swing arm with respect to the frame;

when the looseness appears in the wire harness paying-off process, the tension pulley moves downwards under the action of self gravity, the wire harness is forced to be kept tensioned, the swing arm rotates along with the swing arm, the encoder detects a rotating angle, a detection value is transmitted to the first motor, the paying-off speed of the wire wheel is controlled, the wire harness is tightened, when the wire harness tensioning device is used, the second guide wheel and the third guide wheel are arranged on the upstream and the downstream of the tension pulley respectively, the integral guide of the wire harness in the transmission process is not influenced by the displacement of the tension pulley, the upstream end of the second guide wheel is provided with a first guide wheel group with a vertical axis, and the wire outlet direction is consistent when different positions on the wire wheel are paid off.

As a preferred technical scheme of the utility model, the wire feeding wheel set comprises a driving wheel and a driven wheel which are arranged in parallel, the wheel base of the driving wheel and the driven wheel is adjustable, and a second motor for driving the driving wheel to rotate is arranged at the shaft end of the driving wheel;

the axis connecting line of action wheel and follow driving wheel is vertical arranges, changes the interaxial distance between them, makes action wheel and follow the tight pencil of driving wheel clamp, and the rotatory pencil that drives of action wheel feeds, and the second motor adopts servo motor, realizes the accurate control of pencil feed volume.

As a preferred technical scheme of the utility model, the wire wheel fixing mechanism comprises a roll-over stand rotatably mounted with the bottom of the frame, a second telescopic rod is arranged between the upper end of the roll-over stand and the frame, a fixing frame is arranged in the roll-over stand, the fixing frame can adjust the mounting position along the direction perpendicular to the rotating axis of the roll-over stand, a plug-in shaft is arranged in the fixing frame, the two ends of the wire wheel are distributed, the plug-in shaft can extend and retract along the axis, and the plug-in shaft at one end is in power connection with a first motor;

the both ends of second telescopic link all adopt articulated mode to connect, through the length change of second telescopic link, drive the roll-over stand upset, mention the line wheel, make it break away from ground to can rotate under the drive of first motor, through setting up position adjustable mount, thereby change the interval of line wheel axis and roll-over stand turnover axis, thereby the line wheel assembly that is fit for different diameters is used.

As a preferred technical solution of the present invention, a shaft sleeve is rotatably disposed in the fixing frame, the shaft sleeve and the inserting shaft are installed in a manner of a spline shaft, and one end of the inserting shaft is rotatably disposed with a limiting plate, a first telescopic rod is disposed between the limiting plate and the fixing frame along the axis direction of the inserting shaft, and one group of shaft sleeves is in power connection with a first motor;

the two-section type insertion shaft is used as a mandrel to support the wire wheel, and the first telescopic rod is utilized to drive the insertion shaft to move axially, so that the wire wheel can be separated from the wire wheel fixing mechanism after being grounded, and the wire wheel can be conveniently replaced.

Compared with the prior art, the beneficial effects of the utility model are that: the pay-off machine for producing the wire harness effectively ensures the tension degree of the wire harness in the pay-off process by adopting a mode of combining passive pay-off and active pay-off, does not have the problem of breakage caused by over-tightening of the wire harness, controls the speed of the active pay-off by detecting the displacement of the tension wheel, thereby ensuring the stability of the axial tension in the wire harness and ensuring the accurate length measurement in the subsequent cutting process;

meanwhile, the reversible wire wheel fixing mechanism is adopted, so that the wire wheel is convenient to replace, the wire wheel does not need to be manually moved in the replacement process, and time and labor are saved in the replacement process.

Drawings

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

fig. 2 is a sectional view of the present invention;

FIG. 3 is a schematic view of the fixing mechanism of the reel of the present invention;

fig. 4 is a schematic view of the installation of the fixing frame of the present invention.

In the figure: 1. a frame; 2. a wire wheel fixing mechanism; 201. a roll-over stand; 202. a fixed mount; 203. a plug shaft; 204. a shaft sleeve; 205. a first telescopic rod; 206. a first motor; 3. a second telescopic rod; 4. a wire guide mechanism; 401. a first guide wheel set; 402. a second guide wheel; 403. a tension wheel; 404. swinging arms; 405. a wire feeding wheel set; 406. and a third guide wheel.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a paying-off machine for producing wire harnesses comprises a machine frame 1, wherein one end of the machine frame 1 is provided with a wire wheel fixing mechanism 2 capable of lifting the height of a wire wheel, a first motor 206 for driving the wire wheel to actively rotate and pay off is arranged in the wire wheel fixing mechanism 2, and the other end of the machine frame 1 is provided with a wire guide mechanism 4 for controlling the paying-off speed;

the tail end of the wire guiding mechanism 4 is provided with a wire feeding wheel set 405 for actively feeding wires, the upstream end of the wire feeding wheel set 405 is provided with a tension wheel 403 capable of swinging up and down, a sensor for monitoring the amount of motion of the tension wheel 403 is arranged in the wire guiding mechanism 4, and the output end of the sensor is electrically connected with the controller of the first motor 206.

The wire guiding mechanism 4 further comprises a swing arm 404 which is installed with the rack 1 in a swinging mode, the tension wheel 403 is installed at the free end of the swing arm 404 in a rotating mode, and the sensor is an encoder capable of monitoring the swinging angle of the swing arm 404 relative to the rack 1;

when the wire harness is loosened in the wire releasing process, the tension wheel 403 moves downwards under the action of self gravity to force the wire harness to keep tensioned, the swing arm 404 rotates along with the rotation, the encoder detects the rotating angle and transmits the detected value to the first motor 206 to control the wire releasing speed of the wire wheel, so that the wire harness is tightened, when the wire harness tightening device is used, the second guide wheel 402 and the third guide wheel 406 are respectively arranged at the upstream and downstream of the tension wheel 403, so that the integral guide of the wire harness in the transmission process is not influenced by the displacement of the tension wheel 403, and the first guide wheel group 401 with a vertical axis is arranged at the upstream end of the second guide wheel 402 to ensure that the wire outlet directions are consistent when different positions on the wire wheel are released.

The wire feeding wheel set 405 comprises a driving wheel and a driven wheel which are arranged in parallel, the distance between the shafts of the driving wheel and the driven wheel is adjustable, and the shaft end of the driving wheel is provided with a second motor for driving the driving wheel to rotate;

The wire wheel fixing mechanism 2 comprises a turning frame 201 rotatably mounted at the bottom of the rack 1, a second telescopic rod 3 is arranged between the upper end of the turning frame 201 and the rack 1, a fixed frame 202 is arranged in the turning frame 201, the fixed frame 202 can adjust the mounting position along the direction vertical to the rotating axis of the turning frame 201, an inserting shaft 203 which is distributed with two ends of a wire wheel and can stretch along the axis is arranged in the fixed frame 202, and the inserting shaft 203 at one end is in power connection with a first motor 206;

the both ends of second telescopic link 3 all adopt the articulated mode to connect, and through the length change of second telescopic link 3, drive roll-over stand 201 upset, mention the line wheel, make it break away from ground to can rotate under the drive of first motor 206, through setting up position adjustable mount 202, thereby change the interval of line wheel axis and roll-over stand 201 turnover axis, thereby the line wheel assembly that is fit for different diameters is used.

A shaft sleeve 204 is rotatably arranged in the fixed frame 202, the shaft sleeve 204 and the insertion shaft 203 are installed in a matched mode in a spline shaft mode, a limiting plate is rotatably arranged at one end of the insertion shaft 203, a first telescopic rod 205 is arranged between the limiting plate and the fixed frame 202 along the axial direction of the insertion shaft 203, and one group of shaft sleeves 204 is in power connection with a first motor 206;

the two-section type insertion shaft 203 is used as a mandrel to support the wire wheel, and the first telescopic rod 205 is used for driving the insertion shaft 203 to move axially, so that the wire wheel can be separated from the wire wheel fixing mechanism 2 after being grounded, and the wire wheel can be conveniently replaced.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a paying out machine is used in pencil production, includes frame (1), its characterized in that: a wire wheel fixing mechanism (2) capable of lifting the height of a wire wheel is arranged at one end of the rack (1), a first motor (206) for driving the wire wheel to actively rotate for paying off is arranged in the wire wheel fixing mechanism (2), and a wire guide mechanism (4) for controlling the paying off speed is arranged at the other end of the rack (1);

the wire guide mechanism (4) tail end is provided with send line wheelset (405) that is used for initiatively sending the line, send the upstream end of line wheelset (405) to be provided with tight pulley (403) that rises that can the luffing motion, be provided with the sensor that is used for monitoring tight pulley (403) amount of exercise in wire guide mechanism (4), the output of sensor is connected with the controller electricity of first motor (206).

2. The pay-off machine for wire harness production as claimed in claim 1, wherein: the wire guide mechanism (4) further comprises a swing arm (404) which is installed with the rack (1) in a swing mode, the tension wheel (403) is installed at the free end of the swing arm (404) in a rotating mode, and the sensor is an encoder capable of monitoring the swing angle of the swing arm (404) relative to the rack (1).

3. The pay-off machine for wire harness production as claimed in claim 1, wherein: the wire feeding wheel set (405) comprises a driving wheel and a driven wheel which are arranged in parallel, the wheel base of the driving wheel and the driven wheel is adjustable, and a second motor for driving the driving wheel to rotate is arranged at the shaft end of the driving wheel.

4. The pay-off machine for wire harness production as claimed in claim 1, wherein: line wheel fixed establishment (2) include with frame (1) bottom rotation turning frame (201) of installation, be provided with second telescopic link (3) between the upper end of turning frame (201) and frame (1), be provided with mount (202) in turning frame (201), the direction adjustment mounted position of perpendicular to turning frame (201) axis of rotation can be followed in mount (202), mount (202) inside is provided with distribution line wheel both ends and can follow the flexible grafting axle (203) of axis, and wherein the grafting axle (203) power of one end is connected with first motor (206).

5. The pay-off machine for wire harness production as claimed in claim 4, wherein: the utility model discloses a motor, including mount (202), axle sleeve (204), limiting plate, first telescopic link (205) have been arranged along spiale (203) axis direction between limiting plate and mount (202), and power connection between one of them a set of axle sleeve (204) and first motor (206), axle sleeve (204) and spiale (203) are installed with the form cooperation of integral key shaft, and the one end rotation of spiale (203) is provided with the limiting plate, between limiting plate and mount (202).