CN111232294A - Automatic device and method for bundling metal filaments - Google Patents

Automatic device and method for bundling metal filaments Download PDF

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Publication number
CN111232294A
CN111232294A CN202010020549.2A CN202010020549A CN111232294A CN 111232294 A CN111232294 A CN 111232294A CN 202010020549 A CN202010020549 A CN 202010020549A CN 111232294 A CN111232294 A CN 111232294A
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China
Prior art keywords
hopper
guide
metal
wire
hole
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Granted
Application number
CN202010020549.2A
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Chinese (zh)
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CN111232294B (en
Inventor
丁彩红
尹炜
杨柳
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Donghua University
National Dong Hwa University
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Donghua University
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Publication of CN111232294A publication Critical patent/CN111232294A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B35/00Supplying, feeding, arranging or orientating articles to be packaged
    • B65B35/30Arranging and feeding articles in groups
    • B65B35/34Arranging and feeding articles in groups by agitators or vibrators

Abstract

The invention relates to an automatic device for bundling and bundling metal filaments, which is characterized by comprising a hopper assembly with a variable state, a vibration excitation assembly, a filament guide device with a filament guide hole, a mechanical clamping jaw capable of being opened and closed and an alignment guide device with a guide hole. The invention also provides an automatic method for bundling the metal filaments in bundles, which is characterized by adopting the device. Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: the difficulties of low manual operation efficiency and high labor intensity are solved; by replacing different wire guides, the bundle brushes with various specifications can be manufactured; simple structure is reliable, the sexual valence relative altitude.

Description

Automatic device and method for bundling metal filaments
Technical Field
The invention relates to an automatic device for bundling and bundling metal filaments and an automatic method for bundling and bundling the metal filaments by adopting the device, in particular to the manufacturing of a conductive bundle brush in the technical field of rotary electric connection.
Background
In the field of rotating connection such as conductive slip rings, a conductive beam brush is one of the key components. The bundling brush is to bundle several metal wires of the same length into one bundle, insert one end into one circular metal pipe, and press the circular metal pipe with certain force to fix one end of the metal wire bundle inside the circular metal pipe. The diameter of the metal wire is a few tenths of millimeters or even smaller, and the length of the metal wire is generally different from several millimeters to dozens of millimeters; the metal tube has an inner diameter of about 1mm, a wall thickness of about 0.2mm and a length of typically a few millimeters.
The existing vibrating discharge disc cannot operate such fine metal wires, the metal wires for manufacturing the conductive bundle brush or similar metal wires are bundled up in a bundle, the operation is mainly finished in a manual mode at present, the manual operation of workers is difficult, the labor intensity is high, the working efficiency is very low, and the operation of the fine wires is mainly shown: 1) a certain amount of fine metal wires are taken to form a bundle manually or through tweezers, and the metal wires are very fine, so that the picking and counting are difficult and the skilled operation is relied on; 2) when a bundle of filaments is manually inserted into a metal round pipe, because the inner diameter of the round pipe is only slightly larger than the outer diameter of a filament bundle, and the end part of the filament bundle is easy to scatter, the insertion process is difficult and needs to depend on skilled operation or auxiliary tools.
Disclosure of Invention
The purpose of the invention is: the automation of bundling the metal filaments is realized.
In order to achieve the above object, an aspect of the present invention provides an automatic device for bundling and binding metal filaments, comprising a hopper assembly, a vibration excitation assembly, a filament guide with a filament guide hole therein, a mechanical clamping jaw capable of being opened and closed, and an alignment guide with a guide hole therein, wherein the length direction of the hopper assembly is defined as a left-right direction, and the height direction of the hopper assembly is defined as an up-down direction, and the automatic device comprises:
the hopper assembly comprises a hopper, a thread guide is arranged on the hopper, a mechanical clamping jaw is positioned between the thread guide and an alignment guider, the state of the hopper is changed between a horizontal state and an inclined state, when the hopper is in the horizontal state, a thread guide hole of the thread guide is coaxially arranged with a guide hole of the alignment guider, and when the hopper is in the inclined state, the thread guide hole of the thread guide and the guide hole of the alignment guider are mutually staggered in the vertical direction;
the metal wires are placed in the hopper, when the hopper is in an inclined state, the hopper is continuously vibrated by the vibration excitation assembly, the metal wires are arranged in the hopper in parallel according to the length direction under the vibration effect, meanwhile, a certain number of metal wires enter the wire guide holes from the hopper and extend out of the wire guide for a certain length to form metal wire bundles, and the end parts of the metal wire bundles extending out of the wire guide are abutted to the bracket for fixing the wire guide after penetrating through the opened mechanical clamping jaws;
the metal round pipe is arranged in the guide hole of the alignment guider in a penetrating way;
the mechanical clamping jaw moves left and right in a reciprocating mode between the wire guider and the alignment guider, the end portion of the metal wire bundle penetrates through the opened mechanical clamping jaw, coaxial clamping to the metal wire bundle is formed after the mechanical clamping jaw is closed, and when the hopper is in a horizontal state, the mechanical clamping jaw drives the clamped metal wire bundle to move so that the metal wire bundle penetrates into a metal round pipe in the alignment guider.
Preferably, the hopper assembly comprises a hopper with a V-shaped cross section, a plate spring and a hopper assembly bottom plate, the left end and the right end of the hopper are closed, the bottom of the hopper is in arc transition, the thread guide is arranged on the outer side surface of the first closed end of the hopper, the left end and the right end of the thread guide are respectively provided with a thread inlet hole and a thread outlet hole, the thread inlet hole and the thread outlet hole are communicated with the thread guide hole, the end surface of the thread inlet hole of the thread guide is flush with the inner side surface of the first closed end, and the thread inlet hole of the thread guide is tangent to the inner arc of;
the front side and the rear side of hopper are equipped with the leaf spring, the upper end and the hopper of leaf spring are connected fixedly, the lower extreme is connected fixedly with hopper subassembly bottom plate, define hopper subassembly bottom plate in the left and right directions with the tip of the blind end homonymy of hopper as tip one, another tip defines as tip two, then tip one is articulated fixed, tip two can reciprocate under outside actuating mechanism's drive, make hopper subassembly bottom plate can wind the pin joint luffing motion of tip one, the state that realizes the hopper subassembly changes between horizontality and tilt state, the state of hopper also changes between horizontality and tilt state along with the hopper subassembly.
Preferably, the diameter of the wire guide hole is smoothly transited from large to small; the diameter of the wire inlet hole is larger than that of the wire outlet hole, and the diameter of the wire outlet hole is larger than the outer diameter of a bundle of finished metal filaments.
Preferably, the guiding hole is for lining up the step hole of counterpoint director, guiding hole import department diameter equals the internal diameter of metal pipe, guiding hole exit diameter equals the external diameter of metal pipe, just guiding hole import department all has the chamfer.
Preferably, when different numbers of wires with different diameters are bundled, the diameters of the wire guide holes of the wire guider are designed correspondingly.
Preferably, the thread guide is a curved surface revolution body.
Preferably, the excitation assembly comprises a non-contact driving coil and an armature, the driving coil is fixed in position, and the armature is fixed on one outer side face of the hopper.
The invention also provides an automatic method for bundling metal filaments in bundles, which is characterized in that the device comprises the following steps:
step 1, placing a hopper assembly in a horizontal state, placing a mechanical clamping jaw in an opening state and in an initial position, and placing metal wires into the hopper disorderly;
step 2, changing the state of the hopper assembly to an inclined state, wherein the hopper and the yarn guide device on the hopper incline downwards, and the yarn guide hole of the yarn guide device and the guide hole of the alignment guide device are mutually staggered in the vertical direction;
step 3, starting the vibration excitation assembly to enable the hopper to continuously vibrate according to a certain frequency amplitude, so that the metal wires in the hopper are arranged in the hopper in parallel according to the length direction under the vibration effect, meanwhile, a certain number of metal wires enter the wire guide holes of the wire guide from the hopper assembly and extend out of the wire guide for a certain length to form metal wire bundles, and the end parts of the metal wire bundles extending out of the wire guide are abutted to a support for fixing the wire guide after penetrating through the opened mechanical clamping jaws;
step 4, manually clamping one end of the metal round pipe, penetrating the other end of the metal round pipe into a guide hole of the alignment guide, stopping the vibration excitation of the vibration excitation assembly on the outer part of the hopper, and changing the state of the hopper assembly to a horizontal state;
step 5, moving the mechanical clamping jaw in the direction of the alignment guider for a certain distance after the mechanical clamping jaw is closed to clamp the metal wire bundle, so that one end of the metal wire bundle is inserted into the metal round pipe;
step 6, manually clamping and pressing the metal round tubes to form, and bundling the metal filaments into a bundle brush;
and 7, opening the mechanical clamping jaw and retreating to the initial position, manually drawing the manufactured bundle brush out of the alignment guide, and returning to the step 2 to manufacture the next bundle brush.
Preferably, in step 1, the initial position is a position close to the thread guide.
Due to the adoption of the technical scheme, compared with the prior art, the invention has the following advantages and positive effects: the difficulties of low manual operation efficiency and high labor intensity are solved; by replacing different wire guides, the bundle brushes with various specifications can be manufactured; simple structure is reliable, the sexual valence relative altitude.
Drawings
FIG. 1 is a schematic view of the present invention;
FIG. 2 is a schematic view of the cross-sectional orientation of the hopper and the arrangement of the thread guides of the present invention;
FIG. 3 is a schematic structural view of a guidewire device of the present invention;
FIG. 4 is a schematic structural view of the alignment guide of the present invention;
FIG. 5 is a schematic illustration of the wire vibratory arraying and bundling method of the present invention;
fig. 6 is a schematic view of the process of inserting the wire bundle into the round metal tube according to the present invention.
Detailed Description
The invention will be further illustrated with reference to the following specific examples. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
As shown in figure 1, the automatic device for bundling and bundling metal filaments comprises a hopper assembly with a variable state, an excitation assembly, a filament guide 2 with a filament guide hole arranged therein, a mechanical clamping jaw 4 capable of being opened and closed and an alignment guide 5 with a guide hole arranged therein. Define the length direction of hopper subassembly as left right direction, define the direction of height of hopper subassembly as up-down direction, then have:
the hopper assembly comprises a hopper 11, a leaf spring 12 and a hopper assembly bottom plate 13. Referring to fig. 2, the hopper 11 has a V-shaped cross section and a circular arc transition at the bottom. The left and right ends of the hopper 11 are sealed by sealing plates. The outer side surface of the right end sealing plate of the hopper 11 is provided with a thread guide 2. Referring to fig. 3, the left and right ends of the thread guide 2 are respectively provided with a thread inlet 21 and a thread outlet 22, and the thread inlet 21 and the thread outlet 22 are communicated with the thread guide hole. The end surface of the wire feeding hole 21 of the wire guide is flush with the inner side surface of the right end sealing plate, and the wire feeding hole 21 of the wire guide 2 is tangent to the inner arc of the bottom of the hopper 11. Leaf springs 12 are fixed on the front outer side face and the rear outer side face of the hopper 11, the upper ends of the leaf springs 12 are fixed on the hopper 11, and the lower ends of the leaf springs 12 are fixed on a hopper assembly bottom plate 13. The right end of the bottom plate 13 of the hopper assembly is fixed on the working table 6 through a hinge joint, and the left end of the bottom plate 13 of the hopper assembly is connected on a piston of an air cylinder in a sliding way. The initial state of the hopper 11 is a horizontal state, the hopper 11 is parallel to the hopper assembly bottom plate 13, and under the action of the cylinder, the hopper assembly bottom plate 13 can drive the hopper 11 to incline around the right end, so that the state of the hopper 11 is changed into an inclined state, and the hopper 11 inclines downwards relative to the hopper assembly bottom plate 13.
In this embodiment, the excitation assembly comprises two non-contacting parts, a drive coil 31 and an armature 32, the drive coil 31 being fixed to the work surface 6 and the armature 32 being fixed to one of the outer sides of the hopper 11.
As shown in fig. 3, in the present embodiment, the thread guide 2 is a curved surface rotator having a thread guide hole with a smooth transition from large to small diameter. The diameter of the wire inlet hole 21 of the wire guider 2 is larger than that of the wire outlet hole 22, and the diameter of the wire outlet hole 22 is larger than the outer diameter of the bundle of finished metal filaments.
In the present embodiment, as shown in fig. 4, the alignment guide 5 has a through guide hole, the diameter of the guide hole at the inlet 51 is equal to the inner diameter of the metal round pipe 8, the diameter of the guide hole at the outlet 52 is equal to the outer diameter of the metal round pipe 8, and the inlet and the outlet are chamfered.
The alignment guide 5 is mounted in a bracket fixed to the table top 6. When the hopper 11 is in a horizontal state, the wire guide hole of the wire guide 2 and the guide hole of the alignment guide 5 are coaxially arranged; when the hopper 11 is inclined, the guide hole of the guide 2 and the guide hole of the alignment guide 5 are vertically displaced from each other.
The mechanical clamping jaw 4 is arranged between the thread guide 2 and the alignment guide 5 and moves horizontally left and right under the action of an air cylinder, the initial position of the mechanical clamping jaw 4 is close to the thread outlet hole 22 of the thread guide 2, the tail end 41 of the mechanical clamping jaw 4 can be opened and closed, and the initial state of the tail end 41 is opened.
With reference to fig. 5 and 6, an automated manufacturing method of a brush bundle using the above apparatus includes the following steps:
step 1, randomly placing the metal wires into a hopper 11 in an initial state, wherein the hopper 11 is horizontally placed. At this point, the mechanical jaw 4 is in the initial position and the tip 41 is open.
And 2, jacking the left end of the hopper 11 under the action of the cylinder, so that the hopper 11 is changed into an inclined state and is inclined downwards by a certain angle. Starting the external excitation 3 to make the hopper 11 continuously vibrate according to a certain frequency amplitude, arranging the metal wires in the hopper 11 in parallel in a V-shaped container formed by the hopper 11 according to the length direction under the vibration effect, and simultaneously, enabling a certain number of metal wires to enter and extend out of the wire guide pipe 2 for a certain length to form a metal wire bundle 7. The end of the wire bundle 7 projecting through the end 41 of the open mechanical jaw 4 is then caught on the end face of the holder for holding the alignment guide 5.
And 3, manually clamping one end of the metal round pipe 8 by using a pressure jaw 9 and placing the other end of the metal round pipe into the alignment guider 5. The external excitation 3 is stopped, the hopper 11 is reset to horizontal position and the ends 41 of the mechanical jaws 4 are closed to grip the wire bundle 7 coaxially. The mechanical clamping jaw 4 horizontally moves a certain distance towards the direction of the alignment guide 5 under the action of the air cylinder, and one end of the metal wire bundle 7 is inserted into the metal round pipe 8. And finally, the metal round tube 8 is clamped and pressed into a shape by the handle of the pressure pliers 9 through manual acting force, and the metal filaments are bundled into a bundle to complete the manufacturing of the bundle brush.
And 4, opening the tail end 41 of the mechanical clamping jaw 4, and retreating the mechanical clamping jaw 4 to the initial position. The manually operated pinch clamp 9 holds the completed brush bundle and withdraws it to the right from the alignment guide 5.
And 5, returning to the step 2 to start the manufacture of the next bundle brush.
When metal wires with different quantities and different diameters are bundled, the wire guide holes of the wire guides 2 have different design diameters, and the wire guides 2 arranged on the hopper assembly 1 need to be replaced.

Claims (9)

1. The utility model provides an automation equipment that metal filament bundling was tied up which characterized in that, includes hopper subassembly, excitation subassembly, is equipped with the seal wire ware of seal wire hole in, can open closed mechanical clamping jaw and be equipped with the counterpoint director of guide hole in, defines the length direction of hopper subassembly for left right direction, defines the direction of height of hopper subassembly for upper and lower direction, then has:
the hopper assembly comprises a hopper, a thread guide is arranged on the hopper, a mechanical clamping jaw is positioned between the thread guide and an alignment guider, the state of the hopper is changed between a horizontal state and an inclined state, when the hopper is in the horizontal state, a thread guide hole of the thread guide is coaxially arranged with a guide hole of the alignment guider, and when the hopper is in the inclined state, the thread guide hole of the thread guide and the guide hole of the alignment guider are mutually staggered in the vertical direction;
the metal wires are placed in the hopper, when the hopper is in an inclined state, the hopper is continuously vibrated by the vibration excitation assembly, the metal wires are arranged in the hopper in parallel according to the length direction under the vibration effect, meanwhile, a certain number of metal wires enter the wire guide holes from the hopper and extend out of the wire guide for a certain length to form metal wire bundles, and the end parts of the metal wire bundles extending out of the wire guide are abutted to the bracket for fixing the wire guide after penetrating through the opened mechanical clamping jaws;
the metal round pipe is arranged in the guide hole of the alignment guider in a penetrating way;
the mechanical clamping jaw moves left and right in a reciprocating mode between the wire guider and the alignment guider, the end portion of the metal wire bundle penetrates through the opened mechanical clamping jaw, coaxial clamping to the metal wire bundle is formed after the mechanical clamping jaw is closed, and when the hopper is in a horizontal state, the mechanical clamping jaw drives the clamped metal wire bundle to move so that the metal wire bundle penetrates into a metal round pipe in the alignment guider.
2. The automatic metal filament bundling device according to claim 1, wherein the hopper assembly comprises a hopper with a V-shaped cross section, a plate spring and a hopper assembly bottom plate, the left end and the right end of the hopper are closed, the bottom of the hopper is in arc transition, the outer side surface of the first closed end of the hopper is provided with the filament guide, the left end and the right end of the filament guide are respectively provided with a filament inlet hole and a filament outlet hole, the filament inlet hole and the filament outlet hole are communicated with the filament guide hole, the end surface of the filament inlet hole of the filament guide is flush with the inner side surface of the first closed end, and the filament inlet hole of the filament guide is tangent to the inner arc of the bottom of the hopper;
the front side and the rear side of hopper are equipped with the leaf spring, the upper end and the hopper of leaf spring are connected fixedly, the lower extreme is connected fixedly with hopper subassembly bottom plate, define hopper subassembly bottom plate in the left and right directions with the tip of the blind end homonymy of hopper as tip one, another tip defines as tip two, then tip one is articulated fixed, tip two can reciprocate under outside actuating mechanism's drive, make hopper subassembly bottom plate can wind the pin joint luffing motion of tip one, the state that realizes the hopper subassembly changes between horizontality and tilt state, the state of hopper also changes between horizontality and tilt state along with the hopper subassembly.
3. The automated metal filament bundle bundling apparatus of claim 2, wherein the diameter of said wire guide holes is smoothly changed from large to small; the diameter of the wire inlet hole is larger than that of the wire outlet hole, and the diameter of the wire outlet hole is larger than the outer diameter of a bundle of finished metal filaments.
4. The automated wire bundling apparatus according to claim 1, wherein the guiding hole is a stepped bore penetrating the alignment guide, the diameter of the guiding hole at the inlet is equal to the inner diameter of the round metal pipe, the diameter of the guiding hole at the outlet is equal to the outer diameter of the round metal pipe, and the inlet and the outlet of the guiding hole are chamfered.
5. An automated apparatus for bundling metal filaments according to claim 1, wherein the diameter of the wire guiding hole of the wire guider is designed to correspond to the diameter of the wire guiding hole when bundling different numbers of metal filaments with different diameters.
6. The automated metal filament bundle bundling apparatus of claim 1, wherein said filament guide is a curved surface rotator.
7. The automated wire bundling apparatus of claim 1, wherein said excitation assembly comprises a non-contact drive coil and an armature, the drive coil being fixed in position and the armature being fixed to an outer side of said hopper.
8. An automated method of bundling metal filaments, using the apparatus of claim 1, comprising the steps of:
step 1, placing a hopper assembly in a horizontal state, placing a mechanical clamping jaw in an opening state and in an initial position, and placing metal wires into the hopper disorderly;
step 2, changing the state of the hopper assembly to an inclined state, wherein the hopper and the yarn guide device on the hopper incline downwards, and the yarn guide hole of the yarn guide device and the guide hole of the alignment guide device are mutually staggered in the vertical direction;
step 3, starting the vibration excitation assembly to enable the hopper to continuously vibrate according to a certain frequency amplitude, so that the metal wires in the hopper are arranged in the hopper in parallel according to the length direction under the vibration effect, meanwhile, a certain number of metal wires enter the wire guide holes of the wire guide from the hopper assembly and extend out of the wire guide for a certain length to form metal wire bundles, and the end parts of the metal wire bundles extending out of the wire guide are abutted to a support for fixing the wire guide after penetrating through the opened mechanical clamping jaws;
step 4, manually clamping one end of the metal round pipe, penetrating the other end of the metal round pipe into a guide hole of the alignment guide, stopping the vibration excitation of the vibration excitation assembly on the outer part of the hopper, and changing the state of the hopper assembly to a horizontal state;
step 5, moving the mechanical clamping jaw in the direction of the alignment guider for a certain distance after the mechanical clamping jaw is closed to clamp the metal wire bundle, so that one end of the metal wire bundle is inserted into the metal round pipe;
step 6, manually clamping and pressing the metal round tubes to form, and bundling the metal filaments into a bundle brush;
and 7, opening the mechanical clamping jaw and retreating to the initial position, manually drawing the manufactured bundle brush out of the alignment guide, and returning to the step 2 to manufacture the next bundle brush.
9. An automated method for bundling metal filaments according to claim 8, wherein in step 1, said initial position is a position close to the filament guide.
CN202010020549.2A 2020-01-09 2020-01-09 Automatic device and method for bundling metal filaments Active CN111232294B (en)

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CN111232294B CN111232294B (en) 2021-06-11

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