CN106466799B - Method for spinning and arcing a carbon brush - Google Patents

Method for spinning and arcing a carbon brush Download PDF

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Publication number
CN106466799B
CN106466799B CN201510514954.9A CN201510514954A CN106466799B CN 106466799 B CN106466799 B CN 106466799B CN 201510514954 A CN201510514954 A CN 201510514954A CN 106466799 B CN106466799 B CN 106466799B
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CN
China
Prior art keywords
carbon brush
station
arc striking
rotating
head
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CN201510514954.9A
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Chinese (zh)
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CN106466799A (en
Inventor
徐树清
朱约辉
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Intelligent Science And Technology Ltd In Auspicious Of Suzhou
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Intelligent Science And Technology Ltd In Auspicious Of Suzhou
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0023Other grinding machines or devices grinding machines with a plurality of working posts
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/0069Other grinding machines or devices with means for feeding the work-pieces to the grinding tool, e.g. turntables, transfer means
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/005Feeding or manipulating devices specially adapted to grinding machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00Component parts such as frames, beds, carriages, headstocks
    • B24B41/06Work supports, e.g. adjustable steadies

Abstract

The invention discloses a method for rotating and arcing a carbon brush, which comprises the following steps in sequence: clamping the carbon brush on a clamp positioned at the leading-in station; rotating the fixture with the carbon brush to a head rotating station, and performing head rotating treatment on the front end face of the carbon brush through a head rotating device; after the head is rotated, the fixture with the carbon brush is rotated to an arc striking station, and the arc striking device is used for striking an arc on the rear end face of the carbon brush; and after arc striking, rotating the fixture with the carbon brush to a leading-out station, and discharging the carbon brush from the fixture for clamping the carbon brush through a leading-out device. The method integrates grinding, chamfering, head rotating and arc striking, automatically finishes the processing on the carbon brush, reduces working procedures, reduces labor and time required for transferring the carbon brush, improves production efficiency, reduces labor cost, ensures stable quality and good consistency of processed products, saves electricity, reduces emission and is beneficial to environmental protection.

Description

Method for spinning and arcing a carbon brush
Technical Field
The invention relates to the technical field of carbon brush processing, in particular to a method for performing spinning and arc striking treatment on a carbon brush.
Background
In the prior art, when the carbon brush is subjected to the rotating head arcing treatment, multiple sets of equipment are adopted, namely, grinding and chamfering are firstly carried out on the carbon brush by adopting grinding and chamfering equipment, then the carbon brush subjected to the grinding and chamfering is subjected to the rotating head treatment by adopting the rotating head equipment, and finally the carbon brush subjected to the rotating head treatment is subjected to the arcing treatment by adopting the arcing equipment. By adopting the processing method, the following defects exist: 1. the equipment is various, the purchase cost of an enterprise to the equipment is improved, and the electricity consumption of the equipment is large, so that the environment is not protected; 2. the carbon brush needs to be transferred among a plurality of devices, so that more operators are needed, the labor cost of enterprises is increased, scratches are easily caused to the carbon brush in the process of transferring the carbon brush, the quality of the carbon brush is reduced, and the production cost is increased; 3. a plurality of equipment are processed respectively, and the process is many, need the clamping repeatedly, and production efficiency is low, and the quality of processing out the product is unstable.
Disclosure of Invention
The invention aims to solve the existing problems and provides a method for turning and arcing a carbon brush, which integrates grinding, chamfering, turning and arcing, automatically completes the processing on the carbon brush, reduces working procedures, reduces labor and time required for transferring the carbon brush, improves production efficiency, reduces labor cost, ensures stable quality and good consistency of processed products, saves electricity, reduces emission and is beneficial to environmental protection.
In order to achieve the above object of the present invention, the present invention provides a method for spinning and arcing a carbon brush, which includes the steps of, in order:
clamping the carbon brush on a clamp positioned at the leading-in station;
rotating the fixture with the carbon brush to a head rotating station, and performing head rotating treatment on the front end face of the carbon brush through a head rotating device;
after the head is rotated, the fixture with the carbon brush is rotated to an arc striking station, and the arc striking device is used for striking an arc on the rear end face of the carbon brush;
and after arc striking, rotating the fixture with the carbon brush to a leading-out station, and discharging the carbon brush from the fixture for clamping the carbon brush through a leading-out device.
Before the carbon brush is clamped on the fixture positioned at the leading-in station, the method further comprises the following steps:
the plurality of carbon brushes are directionally sequenced through the vibration disc structure and are sequentially output to the inclined guide rail;
straightening the brush wire of the carbon brush conveyed on the inclined guide rail by using a wire arranging mechanism positioned below the inclined guide rail;
after straightening, conveying the carbon brush to a grinding station through a linear feeding device, and grinding the top end surface of the carbon brush through a grinding device;
and after grinding treatment, moving the carbon brush to a chamfering station, and chamfering the edge of the carbon brush through a chamfering device.
Wherein, straight line material feeding unit includes: the first linear guide rail is vertical to the tail end of the inclined guide rail and is communicated with the tail end of the inclined guide rail; the pushing cylinder is arranged near the communication end of the first linear guide rail and the inclined guide rail, and a piston rod of the pushing cylinder is aligned with the first linear guide rail and used for pushing the carbon brush output from the tail end of the inclined guide rail into the first linear guide rail; and the roller conveying mechanism is arranged on the first linear guide rail and close to the grinding station and is used for conveying the carbon brush on the first linear guide rail to the grinding station at a constant speed.
The leading-in station, the rotary head station, the arcing station and the leading-out station are respectively arranged on the rotatable rotary table.
Wherein, the anchor clamps include: the fixed clamping arm is arranged on the turntable and is positioned on one side of the lead-in station; the movable clamping arm is arranged on the rotary table and positioned on the other side of the leading-in station, and one end of the movable clamping arm is hinged with the fixed clamping arm; and the linkage assembly is connected with the movable clamping arm and is used for driving the movable clamping arm to move relative to the fixed clamping arm so as to clamp the carbon brush or loosen the carbon brush.
Preferably, the interlocking unit includes: the movable clamping mouth is connected with the rotary table and used for moving relative to the rotary table along the radial direction of the rotary table under the action of external force; one end of the rotary table is connected with the movable clamping nozzle and vertically penetrates through the vertical shaft of the rotary table from bottom to top, and the rotary table horizontally rotates relative to the rotary table along with the movement of the movable clamping nozzle; a rotating arm fixedly connected with the other end of the vertical shaft; the rolling body is arranged at the tail end of the rotating arm and is rotationally connected with the rotating arm; and the two ends of the elastic piece are respectively connected with the rolling body and the movable clamping arm.
Further, the linkage assembly further comprises: the connecting seat is arranged on the bottom end face of the rotary disc; one end of the connecting shaft is movably connected with the connecting seat and horizontally extends outwards along the radial direction of the turntable; the movable clamping mouth is connected with the other end of the connecting shaft; and a spring is sleeved on the connecting shaft between the movable clamping mouth and the connecting seat.
Wherein, the spiral head device includes: the rotating head pressing assembly is arranged on the workbench, is arranged near the rotating head station and is used for positioning the top end surface and the rear end surface of the carbon brush positioned on the rotating head station; the rotating head assembly is arranged on the workbench and positioned outside the turntable, and is provided with a rotating head milling cutter of which the tail end is aligned to the front end face of the carbon brush positioned on the rotating head station, and the rotating head milling cutter is used for rotating the front end face of the carbon brush positioned on the rotating head station so as to process a cylindrical boss on the front end face of the carbon brush.
Wherein, the arc striking device includes: the arc striking and pressing assembly is arranged on the workbench, is arranged near the arc striking station and is used for positioning the top end surface and the front end surface of the carbon brush positioned on the arc striking station; the arc striking assembly is arranged on the workbench and is provided with an arc striking grinding wheel of which the outer edge is aligned with the rear end face of the carbon brush positioned on the arc striking station, and the arc striking grinding wheel is used for performing arc striking treatment on the rear end face of the carbon brush positioned on the arc striking station so as to grind the rear end face of the carbon brush into a cambered surface.
Preferably, the rotary head pressing assembly comprises: the supporting bracket is arranged on the workbench and positioned above the turntable; a fixed support platform arranged on the support bracket; a rotary head cylinder which is arranged on the fixed support platform and the piston rod of which horizontally stretches and retracts towards the rotary head station; the rear end face positioning rod is arranged on the fixed support table and connected with a piston rod of the rotary head air cylinder and used for positioning the rear end face of the carbon brush positioned on the rotary head station; and the top end face positioning rod is hinged with the fixed supporting table at one end and is connected with the rear end face positioning rod at the other end and used for positioning the top end face of the carbon brush positioned on the rotary head station.
Compared with the prior art, the method for performing the spinning and arcing treatment on the carbon brush has the following advantages:
1) the method integrates grinding, chamfering, turning and arc striking, and an operator can automatically finish the processing of the carbon brush only by putting the carbon brush into the vibrating disc structure, so that the working procedures are reduced, the labor and time required for transferring the carbon brush are reduced, the production efficiency is improved, the labor cost is reduced, the quality of the processed product is stable, the consistency is good, the electricity and emission are saved, and the environment is protected;
2) in the method, the carbon brushes after grinding the chamfer angle are sequentially transferred to each station on the turntable by rotating the turntable, and are correspondingly processed by the rotary head device, the arc striking device, the guiding device and the like correspondingly arranged at each station, so that the processing procedures at each station can be continuously fed and repeated, and are synchronously performed, thereby greatly improving the production efficiency;
3) the fixture for clamping the carbon brush adopted in the method has the advantages of simple structure, convenience and firmness in carbon brush clamping and reliability in clamping, and can improve the stability of the carbon brush in subsequent processing and improve the processing quality of the carbon brush;
4) according to the method, the carbon brushes conveyed on the first linear guide rail are conveyed to the grinding station by the roller conveying mechanism, the conveying speed is uniform, the transmission is reliable, the quality of the ground carbon brushes is stable, no corrugation exists, few faults exist, the maintenance is convenient, and the equipment utilization rate and the production efficiency are improved;
5) according to the method, the carbon brush after grinding the chamfer is subjected to head rotating treatment by the head rotating device, the structure is simple, the use is convenient, the carbon brush is automatically positioned and subjected to head rotating treatment, the consistency of the processed carbon brush is good, and the quality and the production efficiency of the carbon brush are improved;
6) in the method, the carbon brush after the rotating head treatment is subjected to arc striking treatment by the arc striking device, the structure is simple, the use is convenient, and the positioning and arc striking treatment are automatically performed on each end face of the carbon brush, so that the processed carbon brush has good consistency, and the quality and the production efficiency of the carbon brush are high.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a three-dimensional perspective view of an intelligent carbon brush rotary head arc striking machine of the present invention;
fig. 2a is a perspective view of a carbon brush to be processed;
fig. 2b is a perspective view of the carbon brush after the grinding chamfering process;
fig. 2c is a perspective view of the carbon brush after the spinning head arcing process;
FIG. 3 is an angled perspective view of the roller conveyor mechanism of the present invention;
FIG. 4 is a perspective view of another angle of the roller conveyor mechanism of the present invention;
FIG. 5 is a schematic view of the mounting position of the clamp of the present invention;
FIG. 6 is a top perspective view of a turntable having a clamp of the present invention;
FIG. 7 is a perspective view from below of a turntable having the clamp of the present invention;
FIG. 8 is a schematic view of the mounting position of the spinning head assembly of the present invention relative to the turntable;
FIG. 9 is a perspective view of a bit swage assembly of the present invention;
FIG. 10 is a front view of the bit swage assembly of FIG. 9;
FIG. 11 is a schematic structural view of a tip-side locating lever of the present invention;
FIG. 12 is a schematic view of the mounting position of the arc striking device of the present invention on a turntable;
FIG. 13 is a perspective view of the striking press assembly of the present invention;
FIG. 14 is a front view of the striking press assembly of FIG. 13;
FIG. 15 is a schematic structural view of a tip-side locating lever of the present invention;
FIG. 16 is a schematic view of the configuration of the lead-out device of the present invention;
FIG. 17 is a flow chart of a method of the present invention.
Detailed Description
As shown in fig. 16, in order to provide the method for spinning and arcing the carbon brush according to the present invention, as can be seen from fig. 16, the method includes the steps of:
clamping the carbon brush on a clamp positioned at the leading-in station;
rotating the fixture with the carbon brush to a head rotating station, and performing head rotating treatment on the front end face of the carbon brush through a head rotating device;
after the head is rotated, the fixture with the carbon brush is rotated to an arc striking station, and the arc striking device is used for striking an arc on the rear end face of the carbon brush;
and after arc striking, rotating the fixture with the carbon brush to a leading-out station, and discharging the carbon brush from the fixture for clamping the carbon brush through a leading-out device.
Specifically, the method of the present invention comprises the steps of, in order:
the plurality of carbon brushes 12a are aligned and sequenced by the vibrating disk structure 11 and are sequentially output onto the inclined guide rail 31.
After the carbon brushes 12a enter the inclined guide rail 31, the brush wires of the carbon brushes 12a conveyed thereon are straightened by using the wire arranging mechanism 4 located below the inclined guide rail 31, so that the brush wires of the carbon brushes 12a vertically extend downward.
The carbon brush 12a with the straightened brush wire moves from top to bottom along the inclined guide rail 31 to the tail end of the inclined guide rail 31 and enters the first linear guide rail 33 with the inlet end vertically communicated with the tail end of the inclined guide rail, and at the moment, the carbon brush 12a output from the tail end of the inclined guide rail 31 is pushed into the first linear guide rail 33 through a material pushing cylinder which is arranged near the communication end of the first linear guide rail 33 and the inclined guide rail 31 and the piston rod of which is aligned with the inlet end of the first linear guide rail 33.
The carbon brushes 12a entering the first linear guide 33 are conveyed forward along the first linear guide 33 by the vibration of the first vibration attenuating mechanism 32 located below the first linear guide 33 so as to enter the grinding station.
Before the carbon brushes 12a do not enter the grinding station, the roller conveying mechanism 5 arranged at the first linear guide rail 33 and close to the grinding station is adopted to convey the carbon brushes 12a on the first linear guide rail 33 to the grinding station at a constant speed, so that the top end surfaces of the carbon brushes 12a are ground by the grinding device 6 arranged at the grinding station.
The ground carbon brush is continuously fed forwards along the first linear guide rail 33 to reach the chamfering station, and the edge of the ground carbon brush is chamfered through the chamfering device 7 arranged at the chamfering station.
The ground and chamfered carbon brushes 12b enter the second linear guide 34 and are conveyed forward along the second linear guide 34 by the vibration of the second vibration mechanism 35 located below the second linear guide 34 so as to enter the introduction station.
The invention is characterized in that a turntable 1a is arranged at the tail end of the second linear guide rail, the leading-in station of the turntable 1a is connected with the tail end of the second linear guide rail, a clamp is arranged at the leading-in station of the turntable 1a and used for clamping the carbon brush 12b output from the tail end of the second linear guide rail, and the carbon brush 12b clamped by the clamp is transferred to each processing station by rotating the turntable 1 a. Six stations are uniformly distributed along the circumference of the rotary table 1a, a clamp is arranged on each station, and a leading-in station, a rotary head station, an arc striking station and a leading-out station are sequentially arranged along the rotating direction of the rotary table 1 a.
When the first carbon brush 12b conveyed by the second linear guide rail 34 moves to the lead-in station, the carbon brush 12b is clamped by the clamp at the lead-in station, then the turntable 1a is rotated by 60 degrees, the clamp clamping the carbon brush 12b is rotated to the turning station, the rear end face and the top end face of the carbon brush 12b are positioned by the turning head pressing assembly 86 of the turning head device 8 arranged at the turning station, and the front end face of the carbon brush 12b is subjected to turning head treatment by the turning head milling cutter so as to mill a cylindrical boss on the front end face of the carbon brush 12 b; at the same time, the second carbon brush 12b conveyed by the second linear guide 34 enters the introduction station and is held by the second holder on the turntable.
After the first carbon brush 12b is turned by the turning device 8, the first carbon brush is transferred to the arc striking station by continuously rotating the turntable 1a by 60 degrees, (at this time, the second carbon brush 12b is transferred to the turning station, the third carbon brush 12b conveyed by the second linear guide rail 34 is transferred to the lead-in station), the front end face and the top end face of the first carbon brush are positioned by an arc striking and pressing device 96 of an arc striking device 9 arranged at the arc striking station, and the rear end face of the carbon brush is subjected to arc striking by an arc striking grinding wheel 95 so as to strike a radian on the rear end face of the carbon brush; and meanwhile, the second carbon brush is subjected to spinning treatment through the spinning head device 8, and the third carbon brush is clamped through a third clamp.
After the arc striking device 9 finishes the arc striking treatment of the first carbon brush, the first carbon brush is transferred to the leading-out station by continuously rotating the rotary table 1a for 60 degrees, and the processed first carbon brush 12c is discharged through the leading-out device 2 arranged at the leading-out station; meanwhile, the arc striking device 9 performs arc striking on the second carbon brush, the rotating head device 8 performs rotating head on the third carbon brush, the fourth carbon brush 12b conveyed by the second linear guide rail 34 enters the lead-in station and is clamped by the fourth clamp, and the process is repeated in such a circulating way, and the carbon brushes 12a are continuously and sequentially subjected to straightening, grinding, chamfering, lead-in, rotating head, arc striking and lead-out processing.
By adopting the method, grinding, chamfering, turning and arc striking are integrated, an operator can automatically finish the treatment on the carbon brush only by putting the carbon brush into the vibrating disc structure, the working procedures are reduced, the labor and time required for transferring the carbon brush are reduced, the production efficiency is improved, the labor cost is reduced, the quality of the processed product is stable, the consistency is good, electricity is saved, emission is reduced, and the environment is protected.
As shown in fig. 1, which is a schematic structural diagram of an intelligent carbon brush rotary head arc striking machine suitable for the method of the present invention, as can be seen from fig. 1, the intelligent carbon brush rotary head arc striking machine includes: the fixture is arranged at the leading-in station and used for clamping the carbon brush; a rotary head device 8 arranged at the rotary head station; the arc striking device 9 is arranged at the arc striking station; a lead-out device 2 installed at the lead-out station; when the fixture clamping the carbon brush rotates to a head rotating station, head rotating treatment is carried out on the front end face of the carbon brush through the head rotating device; after the head is rotated, the fixture with the carbon brush is rotated to an arc striking station, and the arc striking device is used for striking an arc on the rear end face of the carbon brush; and after arc striking, rotating the fixture with the carbon brush to a leading-out station, and discharging the carbon brush from the fixture for clamping the carbon brush through a leading-out device.
Specifically, as shown in fig. 1, which is a three-dimensional perspective view of the intelligent carbon brush rotary head arc-striking machine of the present invention, as can be seen from fig. 1, the intelligent carbon brush rotary head arc-striking machine includes a workbench 1 and the following components mounted on the workbench 1: a vibrating disk structure 11 for sequentially ordering and directionally outputting carbon brushes 12a to be processed (shown in fig. 2 a) to the inclined guide rail 31; a wire arranging mechanism 4 located below the inclined guide rail 31 for vertically drawing the brush wire of the carbon brush 12a conveyed by the inclined guide rail downward; a first linear guide rail 33 having one end vertically connected to the end of the inclined guide rail 31, which forwards transports the carbon brushes 12a entering the first linear guide rail 33 under the vibration action of the first vibration attenuating mechanism 32; a roller conveying mechanism 5 having a first roller 55 and a second roller 56 located on the left and right sides of the first linear guide 33, for conveying the carbon brushes 12a conveyed by the first linear guide 33 to a grinding station at a constant speed, the grinding station being disposed in front of the roller conveying mechanism 5 in the feeding direction of the carbon brushes 12 a; a grinding device 6 provided at the grinding station, which performs grinding processing on the top end surface of the carbon brush 12a to be processed; a chamfering device 7 provided at a chamfering station in front of the grinding device 6 in the feeding direction of the carbon brush 12a, which performs edge chamfering processing on the carbon brush whose top end surface has been ground (the carbon brush 12b after the grinding chamfering processing is shown in fig. 2 b); the second linear guide 34, one end of which is communicated with the end of the first linear guide 33, conveys the carbon brush 12b, which enters the second linear guide 34 after grinding and chamfering, forward under the vibration action of the second vibration mechanism 35 so as to enter an introduction station on the turntable 1a from the end of the second linear guide 34, and performs turning and arc striking processing on the carbon brush 12b sequentially through the turning head device 8 and the arc striking device 9, finally forming the carbon brush 12c as shown in fig. 2c, and discharging the carbon brush 12c through the discharging device 2.
The grinding station and the chamfering station are sequentially arranged along the length extending direction of the first linear guide rail, the leading-in station, the turning station, the arc striking station and the leading-out station are all arranged on the turntable 1a, the carbon brushes 12b which enter the leading-in station and are subjected to grinding and chamfering treatment are sequentially moved to each station along with the rotation of the turntable 1a, and corresponding turning and arc striking treatment is carried out on the carbon brushes by adopting devices arranged at each station until the carbon brushes 12c subjected to turning and arc striking treatment are discharged from the leading-out station.
The structure and the working process of the intelligent carbon brush rotary head arc striking machine used in the method of the present invention are described in detail below with reference to the structural diagrams of the devices constituting the intelligent carbon brush rotary head arc striking machine.
After the vibrating disk structure 11 outputs the carbon brushes 12a in a directional manner, the carbon brushes 12a are conveyed from the inclined guide rail 31 to the first linear guide rail 33, and the carbon brushes 12a on the first linear guide rail 33 are conveyed forward by the vibrating action of the first vibration mechanism 32 until reaching the grinding station.
In order to enable the carbon brushes 12a conveyed by the first linear guide rail 33 to be conveyed to the grinding station at a constant speed, so that when the grinding device 6 grinds the carbon brushes 12a, wavy ripples are not ground on the surfaces to be ground of the carbon brushes 12a, the grinding quality of the carbon brushes is improved, and the production cost is reduced, the roller conveying mechanism 5 for conveying the carbon brushes 12a to the grinding station at a constant speed is arranged near the grinding station.
As shown in fig. 3 and 4, which are perspective views of the roller conveyor according to the present invention viewed from two different angles, respectively, it can be seen from fig. 3 and 4 that the roller conveyor 5 according to the present invention includes: a roller support frame 50 installed on the work table 1, located below the first linear guide 33, for serving as a support platform for each member of the roller conveying mechanism; a power input shaft 51 vertically installed on the roller support frame 50 and rotated by a power transmission assembly connected thereto, preferably, the power transmission assembly is a structure in which a motor drives a sprocket chain transmission member (not shown); a first roller shaft 522 and a second roller shaft 533 which are connected to the roller support frame 50 and whose upper portions extend out of the roller support frame 50, are respectively located at both sides of the first linear guide 33, and are respectively parallel to the power input shaft 51; a first transmission assembly connected to the power input shaft 51 for transmitting the rotational power of the power input shaft 51 to the first roller shaft 522; a second transmission assembly connected to the power input shaft 51 for transmitting the rotation power of the power input shaft 51 to the second roller shaft 533, wherein the rotation direction of the second roller shaft 533 is opposite to the rotation direction of the first roller shaft 522; the first roller 55 and the second roller 56, which are respectively installed on the first roller shaft 522 and the second roller shaft 533, are used to contact both left and right end surfaces of the carbon brush 12a conveyed on the first linear guide 33 and convey the carbon brush 12a to the grinding station by an acting force at the time of relative rotation.
As shown in fig. 3 and 4, the first transmission assembly of the present invention includes: an input gear 523 mounted on the power input shaft 51; the first adaptive transmission shaft 521 mounted on the roller support frame 50 is parallel to the power input shaft 51 and the first roller shaft 522 respectively and is arranged between the two shafts, and the position of the first adaptive transmission shaft 521 can be correspondingly adjusted according to the position of the first roller shaft 522; a first adaptive gear 524 mounted on the first adaptive transmission shaft 521 and engaged with the input gear 523; a first gear 525 mounted on the first roller shaft 522 and in meshing engagement with the first adaptive gear 524.
When the power input shaft 51 rotates, the input gear 523 on the power input shaft is driven to rotate, so that the first adaptive gear 524 connected with the input gear 523 through gear teeth meshing is driven to rotate; when the first adaptive gear 524 rotates, the first adaptive transmission shaft 521 fixedly connected with the first adaptive gear is driven to rotate, and meanwhile, the first gear 525 meshed with the first adaptive transmission shaft is driven to rotate; when the first gear 525 rotates, the first roller shaft 522 fixedly connected thereto is rotated, thereby rotating the first roller 55 fixedly mounted on the first roller shaft 522.
As shown in fig. 3 and 4, the second transmission assembly of the present invention includes: a reversing shaft 531 and a second adaptive transmission shaft 532 which are installed on the roller support frame 50 and are respectively parallel to the power input shaft 51; a reversing gear 534 mounted on the reversing shaft 531, and engaged with the input gear 523 on the power input shaft 51 through gear teeth; a second adaptive gear 535 mounted on the second adaptive drive shaft 532 and in meshing engagement with the reversing gear 534; and a second gear 536 mounted on the second roller shaft 533 and in meshing engagement with the second adaptive gear 535. Wherein, the second adaptive transmission shaft 532 can adjust its position according to the position of the second roller shaft 533.
When the power input shaft 51 rotates, the input gear 523 on the power input shaft is driven to rotate, so that the reversing gear 534 connected with the input gear 523 through gear teeth meshing is driven to rotate; when the reversing gear 534 rotates, the reversing gear 534 rotates around a reversing shaft 531 fixedly connected with the roller supporting frame 50 as a fixed shaft, and simultaneously drives a second self-adaptive gear 535 in meshed connection with the reversing gear 534 to rotate; when the second adaptive gear 535 rotates, the second adaptive transmission shaft 532 fixedly connected with the second adaptive gear is driven to rotate, and meanwhile, the second gear 536 meshed with the second adaptive transmission shaft is driven to rotate; when the second gear 536 rotates, the second roller shaft 533 fixedly connected to the second gear is rotated, so that the second roller 56 fixedly mounted on the second roller shaft 533 is rotated.
Preferably, the distance between the first roller 55 and the second roller 56 of the present invention is adjustable, that is, the distance between the first roller shaft 522 and the second roller shaft 533 is adjustable, so that the roller conveying mechanism of the present invention can convey carbon brushes with different sizes, and the adaptability is wider. Accordingly, the roller conveying mechanism of the present invention includes, in addition to the above-mentioned components, a spacing adjustment assembly for adjusting the spacing between the first roller shaft 522 and the second roller shaft 533.
Wherein, the interval regulating assembly of the invention includes: a first roller frame 542 and a second roller frame 549 which are respectively arranged on the roller support frame 50 and are used for supporting the first roller shaft 522 and the second roller shaft 533; the two ends of the adjusting rod 541 are rotatably installed on the two side frames of the roller support frame 50, the adjusting rod 541, the first roller frame 542 and the second roller frame 549 are respectively connected into a whole by threads with opposite rotation directions, and the axial direction of the adjusting rod 541 is perpendicular to the direction of the first linear guide rail 33 for conveying the carbon brush 12 a; a first connection plate 544 for connecting the first roller shaft 522 and the first adaptive transmission shaft 521 and ensuring a distance between the two shafts; a second connecting plate 543 connecting the first adaptive transmission shaft 521 and the power input shaft 51 for securing a distance between the two shafts; a third connecting plate 546 connecting the second roller shaft 533 and the second adaptive transmission shaft 532 for ensuring a distance between the two shafts; a fourth connecting plate 545 connecting the second adaptive driving shaft 532 and the reverse shaft 531 for securing a distance between the two shafts; the adjustment rod 541 is rotated to increase or decrease the distance between the first roller frame 542 and the second roller frame 549, thereby increasing or decreasing the distance between the two roller shafts. In addition, an adjusting handwheel 547 is installed on a portion of the adjusting rod 541 extending out of the roller supporting bracket 50 to facilitate operation of the adjusting rod 541.
For example, when the distance between the first roller 55 and the second roller 56 needs to be adjusted, the adjusting hand wheel 547 is rotated clockwise (or counterclockwise) to screw the adjusting rod 541 into the two side frames of the roller support frame 50, and since the adjusting rod 541 is connected with the first roller frame 542 and the second roller frame 549 through threads with opposite rotation directions, the adjusting rod 541 rotates to relatively approach or separate the first roller frame 542 and the second roller frame 549 along the axial direction of the adjusting rod 541, so as to drive the distance between the first roller shaft 522 and the second roller shaft 533, which are respectively rotatably connected with the first roller frame 542 and the second roller frame 549, to be decreased or increased, and further to drive the distance between the first roller 55 and the second roller 56 to be decreased or increased.
When the distance between the first roller shaft 522 and the second roller shaft 533 is changed, in order to adapt to the change of the distance between the two shafts, in order to keep the power transmission between the power input shaft 51 and the first roller shaft 522 and the second roller shaft 533 stable, on one hand, the distance between the first roller shaft 522 and the first adaptive transmission shaft 521 is ensured by the first connecting plate 544 of which the two ends are respectively connected with the first roller shaft 522 and the first adaptive transmission shaft 521, and the distance between the first adaptive transmission shaft 521 and the power input shaft 51 is ensured by the second connecting plate 543, so that the first adaptive transmission shaft 521 can correspondingly adjust the position with the first roller shaft 522, thereby ensuring the reliability and the stability of the power transmission of the first transmission assembly; on the other hand, the third connecting plate 546, the two ends of which are connected to the second roller shaft 533 and the second adaptive transmission shaft 532 respectively, ensures the distance between the second roller shaft 533 and the second adaptive transmission shaft 532, and the fourth connecting plate 545 ensures the distance between the second adaptive transmission shaft 532 and the reversing shaft 531, so that the second adaptive transmission shaft 532 can adjust its position along with the second roller shaft 533, thereby ensuring the reliability and stability of the power transmission of the second transmission assembly.
Further, in order to facilitate the installation of the adjustment rod 541 on the roller support frame 50 and ensure the installation stability of the adjustment rod 541 in the longitudinal direction of the roller support frame 50 (the longitudinal direction is a direction perpendicular to the axial direction of the adjustment rod), a pair of installation holes extending in the longitudinal direction are respectively formed on the two side frames of the roller support frame 50, the adjustment rod 541 is installed on the roller support frame 50 through the installation holes, and correspondingly, a pair of adjustment rod pressing blocks 548 detachably connected to the two side frames of the roller support frame 50 are respectively installed in the pair of installation holes so as to fix the adjustment rod 541 on the roller support frame 50.
The roller conveying mechanism of the invention drives the pair of rollers to rotate by adopting gear transmission so as to convey the carbon brush to the grinding station, the transmission is stable and reliable, the conveying speed of the carbon brush is uniform, and the conditions of uneven conveying speed, corrugated shape and low quality of the ground carbon brush when the roller is driven to rotate by adopting worm gear transmission in the prior art are avoided.
After the carbon brushes 12a are conveyed to the grinding station at a constant speed by the roller conveying mechanism 5, the end face grinding treatment is performed on the carbon brushes by the grinding device 6, then the chamfer treatment is performed on the carbon brushes with the end faces ground by the chamfer device 7, and then the carbon brushes 12b shown in fig. 2b after the chamfer treatment are conveyed to the leading-in station on the turntable 1a by the second linear guide rail 34.
The carbon brush 12b which is conveyed on the second linear guide rail 34 and is subjected to grinding and chamfering treatment is positioned at the lead-in station on the turntable 1a by the fixture arranged on the turntable, so that the carbon brush 12b is sequentially rotated and transferred to the turning station and the arc striking station from the lead-in station along with the rotation of the turntable 1a, and the turning and the arc striking treatment are carried out on the carbon brush 12b through the turning device 8 and the arc striking device 9 respectively.
Specifically, as shown in fig. 5, 6, and 7, six jigs are mounted on the turntable 1a, each of the jigs including: a fixed clamping arm 101 mounted on the turntable 1a and located at one side of the lead-in station; a movable clamping arm 102 which is arranged on the turntable 1a and is positioned at the other side of the lead-in station, and one end of the movable clamping arm is hinged with the fixed clamping arm 101; and the linkage assembly is connected with the movable clamping arm 102 and is used for driving the movable clamping arm to move relative to the fixed clamping arm 101 so as to clamp the carbon brush 12b or loosen the carbon brush 12 b.
The fixture is convenient to install, the fixed clamping arm 101 and the movable clamping arm 102 enclose a guiding station for clamping the carbon brush 12b, the movable clamping arm 102 moves relative to the fixed clamping arm 101 through the linkage assembly so as to clamp the carbon brush 12b or loosen the carbon brush 12b, and the carbon brush 12b is clamped conveniently and firmly, so that the carbon brush can be conveniently and firmly processed.
As shown in fig. 6 and 7, the linkage assembly of the present invention includes: a movable clamping mouth 107 which is arranged at the bottom of the rotary table 1a and is used for moving relative to the rotary table 1a along the radial direction of the rotary table 1a under the action of external force; one end of the vertical shaft is connected with the movable clamping mouth 107 and vertically penetrates through the vertical shaft 105 of the rotary table 1a from bottom to top, and the vertical shaft horizontally rotates relative to the rotary table 1a along with the movement of the movable clamping mouth 107; a rotating arm 104 fixedly connected to the other end of the vertical shaft 105; a rolling body 103 which is arranged at the tail end of the rotating arm 104 and is connected with the rotating arm in a rotating way, is close to the movable clamping arm 102, and preferably, the rolling body 103 is a bearing; and an elastic member having one end connected to the rolling body 103 and the other end connected to the movable clamp arm 102, and preferably, a spring is used as the elastic member.
When the detecting element at the end of the second linear guide detects that the carbon brush 12b reaches the end thereof, the movable nip 107 will move inward along the radial direction of the rotating disc 1a relative to the rotating disc 1a under the pushing action of the external force (i.e. move toward the center of the rotating disc, and the force point a and the direction on the movable nip 107 are as shown in fig. 6), and will drive the vertical shaft 105 fixedly connected with the movable nip to rotate counterclockwise around the axis of the vertical shaft 105 (i.e. rotate counterclockwise in the horizontal plane, and rotate in the opposite direction of the arrow shown in fig. 6); when the vertical shaft 105 rotates, the rotating arm 104 fixedly connected with the other end of the vertical shaft is driven to rotate; since the rotating arm 104 has a distal end protruding toward the outer edge of the turntable 1a, when the rotating arm 104 rotates, the distal end thereof is moved in a direction away from the movable holding arm 102, so that the rolling body 103 mounted at the distal end thereof and rotatable in a horizontal plane is moved in a direction away from the movable holding arm 102, and at this time, the spring connected to the rolling body 103 is in a stretched state, and the movable holding arm 102 is moved in a direction away from the fixed holding arm 101 by the tensile force of the spring, that is, the carbon brush 12b fed from the second linear guide 34 is placed in the gap between the fixed holding arm 101 and the movable holding arm 102.
After the carbon brush 12b enters the gap between the fixed clamping arm 101 and the movable clamping arm 102, in order to prevent the movable clamping mouth 107 from being acted by external force, the carbon brush 12b can be clamped by the fixed clamping arm 101 and the movable clamping arm 102, and the linkage assembly further comprises the following components: a connecting seat 106 mounted on the bottom end surface of the turntable 1 a; a connecting shaft 109, one end of which is movably connected with the connecting seat 106 and horizontally extends outwards along the radial direction of the turntable 1 a; wherein, the movable clamping mouth 107 is connected with the other end of the connecting shaft 109; wherein, a spring 108 is sleeved on a connecting shaft 109 between the movable clamping mouth 107 and the connecting seat 106.
That is, when the movable nip 107 is moved inward along the radial direction of the rotating disk 1a by an external force, the spring 108 is compressed, so that when the movable nip 107 is no longer subjected to the external force, the movable nip 107 returns to the initial position by the restoring force of the spring 108, that is, the movable nip 107 is moved outward along the radial direction of the rotating disk 1a by the spring 108 with respect to the rotating disk 1a and rotates the vertical shaft 105 clockwise (i.e., rotates clockwise in the horizontal plane, as shown by the arrow in fig. 6), so that the rotating arm 104 is rotated, the end of the rotating arm 104 is moved toward the movable clamping arm 102, the rolling body 103 is moved toward the movable clamping arm 102, and the movable clamping arm 102 is moved toward the fixed clamping arm 101, so that the carbon brush 12b is clamped by the combined action of the movable clamping arm 102 and the fixed clamping arm 101, since the spring connected to the rolling element 103 returns to the initial state, the movable clamp arm 102 can be kept in this position by the spring, that is, the movable clamp arm 102 and the fixed clamp arm 101 can clamp the carbon brush at all times with the rotation of the turntable 1 a.
Preferably, in the fixture of the present invention, the force for pushing the movable clamping nozzle 107 to move inward along the radial direction of the rotating disk 1a relative to the rotating disk 1a is derived from a boosting cylinder 110 (as shown in fig. 5) installed on the worktable 1 of the intelligent carbon brush rotary head arc-striking machine, a piston rod of the boosting cylinder horizontally extends and is aligned with the movable clamping nozzle 107, when receiving the action command, the piston rod extends to push the movable clamping nozzle 107 to move inward relative to the rotating disk 1a, and after the carbon brush 12b is placed in the gap between the fixed clamping arm 101 and the movable clamping arm 102, the boosting cylinder 110 returns to horizontally retract the piston rod, so that the movable clamping nozzle 107 moves outward along the radial direction of the rotating disk 1a relative to the rotating disk 1a to the initial position under the action of the spring 108.
According to the fixture, the carbon brush 12b conveyed by the second linear guide rail 34 can be firmly fixed at the leading-in station on the turntable 1a, so that the carbon brush 12b cannot fall off along with the rotation of the turntable 1a, and the subsequent turning and arc striking treatment of the carbon brush 12b is facilitated.
After the carbon brush 12b is held by the fixture, the carbon brush 12b is transferred to the spinning station by rotating the turntable 1a by 60 °, and the spinning device 8 disposed at the spinning station is used to spin the carbon brush 12b, so as to form a cylindrical boss on the front end surface of the carbon brush 12b (as shown in fig. 2 c).
Specifically, as shown in fig. 8, 9, and 10, the swivel device 8 of the present invention includes: a swaging assembly 86 mounted on the table 1, mounted near the swaging station, and configured to position the top end surface and the rear end surface of the carbon brush 12b transferred to the swaging station by the turntable 1 a; the turning head assembly mounted on the worktable 1 and located at the periphery of the turntable 1a has a turning head milling cutter 85 with a tip aligned with the front end face of the carbon brush 12b located at the turning head station, for performing turning head processing on the front end face of the carbon brush 12b located at the turning head station, so as to machine a cylindrical boss on the front end face of the carbon brush (as shown in fig. 2 c).
Wherein, it presses material subassembly 86 to revolve the head includes: a support bracket 860 mounted on the table 1; a fixed support 861 mounted on the support bracket 860; a rotary head cylinder 868 which is mounted on the fixed support 861 and whose piston rod horizontally extends and retracts toward the rotary head station; a rear end face positioning rod 863 which is arranged on the fixed support table 861 and connected with the piston rod of the swivel cylinder 868 is used for positioning the rear end face of the carbon brush positioned on the swivel station; a top end face positioning rod 864, one end of which is hinged to the fixed support table 861 and the other end of which is connected to the rear end face positioning rod 863, is located above the rear end face positioning rod 863, and one end of which extends out of the rear end face positioning rod 863 for positioning the top end face of the carbon brush located on the rotor head station.
Wherein, rear end face locating lever 863 includes: a horizontal rod arranged along the extending direction of the piston rod of the rotary head cylinder 868; the vertical rod is connected with the horizontal rod and is vertical to the horizontal rod; wherein the vertical rod is connected with the piston rod of the swivel cylinder 868.
In order to allow the rear end positioning rod 863 and the front end positioning rod 864 to be interlocked together by the driving action of the revolver cylinder 868, the revolver swaging assembly 86 of the present invention further includes an interlocking assembly including: a blocking shaft 869 which is arranged at the top end of the vertical rod and the extending direction of which is vertical to the extending direction of the piston rod; an inclined step provided on the upper surface of tip end surface positioning rod 864 near the other end (as shown in fig. 11); wherein the top end positioning rod 864 is disposed between the blocking shaft 869 and the horizontal rod, and the inclined surface of the step platform contacts with the blocking shaft 869. Preferably, the end of the top end surface positioning rod is provided with a pressing portion which extends downward and presses the top end surface of the carbon brush, and the end of the top end surface positioning rod is hinged to the fixed support 861 through a hinge shaft 862.
Preferably, the linkage assembly further comprises: a vertical support bar 865 mounted on the support bracket 860; a fixed shaft mounted on the top end of the vertical support rod 865 and parallel to the blocking shaft 869; a connecting shaft 867 attached to the other end of the top end surface positioning rod 864 and parallel to the fixed shaft; and both ends of the elastic member 866 are respectively connected with the fixed shaft and the connecting shaft 867. Preferably, the elastic member of the present invention is a tension spring, and the tension spring is set to be in a stretched state when the initial state (when the screw head cylinder is not operated).
When the swivel cylinder 868 acts to enable the piston rod of the swivel cylinder 868 to extend forwards (as shown by a horizontal arrow at the left in fig. 10), the rear end face positioning rod 863 is pushed to extend forwards and abut against the front end face of the carbon brush at the swivel station; when the rear end face positioning rod 863 extends forwards, the vertical rod moves forwards, so that the blocking shaft 869 arranged on the vertical rod also moves forwards, at the moment, the blocking shaft 869 is not in contact with the inclined plane of the step platform any more, and the other end of the top end face positioning rod moves upwards under the action of the restoring force of the tension spring; because one end of the top end face positioning rod is hinged with the fixed support table 861, the pressing part at one end of the top end face positioning rod extends downwards, and the top end face of the carbon brush positioned at the rotary head station is pressed downwards.
The bit assembly of the present invention includes, in addition to the bit milling cutter 85: a swivel support 81 mounted on the table 1; a motor support table 82 slidably connected to the head support table 81; a support table boosting cylinder 83 having a piston rod connected to the motor support table 82 for driving the support table to slide relative to the rotor support table 81; a rotary head motor 84 mounted on the motor support platform 82 for driving the rotary head cutter 85 to rotate. The output shaft of the rotary-head motor 84 extends towards the rotary-head station, and the end of the rotary-head milling cutter 85 is just flush with the front end face of the carbon brush located at the rotary-head station, so that the required cylindrical boss is milled on the front end face of the carbon brush (as shown in fig. 2 c).
Adopt utility model's spiral head device, it is simple, easy when revolving the head to the carbon brush and handling, it revolves the head and presses material subassembly 86 automatic carbon brush location to being in on revolving the head station, whole spiral head in-process does not need artifical the participation to reduce the incidence of unsafe accident, and, the uniformity of revolving the product after the head is handled is good, improves product quality.
After the carbon brush is turned, the turntable 1a is rotated by 60 degrees continuously, the carbon brush is transferred to an arc striking station, and an arc striking device 9 arranged at the arc striking station is used for striking an arc on the carbon brush, so that an arc surface is machined on the rear end surface of the carbon brush (as shown in fig. 2 c).
Specifically, as shown in fig. 12, 13, and 14, the arc striking device 9 of the present invention includes: the arc striking and pressing assembly 96 mounted on the workbench 1 is mounted near the arc striking station and used for positioning the top end face and the front end face of the carbon brush positioned on the arc striking station; the arc striking assembly mounted on the table 1 has an arc striking grinding wheel 95 whose outer edge is aligned with the rear end face of the carbon brush located on the arc striking station, for performing arc striking processing on the rear end face of the carbon brush located on the arc striking station so as to grind the rear end face of the carbon brush into an arc face.
Wherein, arc material pressing assembly 96 includes: a support bracket 960 mounted on the table 1; a fixed support platform 961 mounted on the support bracket 960; an arc striking cylinder 968 which is arranged on the fixed support table 961 and has a piston rod horizontally stretching and moving towards an arc striking station; a front end face positioning rod 963 mounted on the fixed support table 961 and connected to a piston rod of the arcing cylinder 968, for positioning a front end face of the carbon brush located on the arcing station; a top end face positioning rod 964, one end of which is hinged to the fixed support table 961 and the other end of which is connected to the front end face positioning rod 963, is located above the front end face positioning rod 963, and one end of which extends out of the front end face positioning rod 963 and is used for positioning the top end face of the carbon brush located on the arcing station.
Wherein, preceding end face locating lever 963 includes: a horizontal rod arranged along the extension direction of the piston rod of the arcing cylinder 968; the vertical rod is connected with the horizontal rod and is vertical to the horizontal rod; wherein the vertical rod is connected with a piston rod of the arcing cylinder 968.
In order to allow the front end positioning rod 963 and the front end positioning rod 964 to be interlocked together by the driving action of the arc striking cylinder 968, the arc striking and pressing assembly 96 of the present invention further includes an interlocking assembly including: a blocking shaft 969 which is arranged at the top end of the vertical rod and the extending direction of which is vertical to the extending direction of the piston rod; an inclined step provided on the upper surface of the tip end surface positioning rod 964 near the other end (as shown in fig. 15); wherein the top end positioning bar 964 is disposed between the stop shaft 969 and the horizontal bar, and the inclined surface of the step platform is in contact with the stop shaft 969. Preferably, the end of the top end positioning rod is provided with a pressing portion extending downward to press the top end of the carbon brush, and the end of the top end positioning rod is hinged to the fixed support platform 961 through a hinge shaft 962.
Preferably, the linkage assembly further comprises: a vertical support bar 965 mounted to the support bracket 960; a fixed shaft mounted on the top end of the vertical support bar 965 and parallel to the blocking shaft 969; a connecting shaft 967 that is attached to the other end of the tip end positioning rod 964 and is parallel to the fixed shaft; and elastic members 966 having both ends connected to the fixed shaft and the connection shaft 967, respectively. Preferably, the elastic member of the present invention is a tension spring, and the tension spring is set in a stretched state in an initial state (when the arc striking cylinder is not actuated).
When the arc striking cylinder 968 acts to extend the piston rod forward (as shown by a horizontal arrow at the left in fig. 14), the front end positioning rod 963 is pushed to extend forward and abut against the front end face of the carbon brush located at the arc striking station; when the front end face positioning rod 963 extends forwards, the vertical rod moves forwards, so that the blocking shaft 969 arranged on the vertical rod also moves forwards, at the moment, the blocking shaft 969 is not in contact with the inclined surface of the stair platform any more, and the other end of the top end face positioning rod moves upwards under the action of the restoring force of the tension spring; because one end of the top end face positioning rod is hinged to the fixed support table 961, the pressing part at one end of the top end face positioning rod extends downwards, and the top end face of the carbon brush located at the arcing station is pressed downwards.
Wherein, the arc striking component of the invention comprises besides the arc striking grinding wheel 95: an arc striking support table 91 mounted on the table 1; a motor support table 92 slidably connected to the arc support table 91; a supporting table boosting cylinder 93, the piston rod of which is connected with the motor supporting table 92 and used for driving the motor supporting table to slide relative to the arc striking supporting table 91; and an arc striking motor 94 mounted on the motor support base 92 for driving the arc striking grinding wheel 95 to rotate. The output shaft of the arcing motor 94 extends toward the arcing station and the outer edge of the arcing wheel 95 is flush with the rear end face of the carbon brush located at the arcing station to provide the desired arc at the rear end face of the carbon brush (as shown in fig. 2 c).
Adopt utility model's arc striking device, simple, easy when handling the carbon brush arcing, its arcing swager subassembly is automatic to being in the carbon brush location on the station of arcing, and whole arcing in-process does not need artifical the participation to reduce the incidence of unsafe accident, and, the uniformity of the product after handling the arcing is good, improves product quality.
After the carbon brushes are subjected to arc striking processing by the arc striking device 9, the rotating disc 1a is continuously rotated by 60 degrees, the carbon brushes 12c are conveyed to the guiding-out station, and the guiding-out device 2 arranged at the position is used for discharging the carbon brushes 12c, so that the carbon brushes 12c fall down from the discharging groove of the guiding-out device 2.
Specifically, as shown in fig. 12 and 16, the deriving device 2 of the present invention includes: a lead-out support frame arranged on the workbench 1; the rolling body 22 is arranged on the leading-out support frame and positioned below the leading-out station of the rotary table 1a, the rolling body 22 can horizontally rotate in a horizontal plane, preferably, the rolling body 22 adopts a bearing, when the rolling body 22 is assembled, the rolling body 22 is enabled to face a stress point of the movable clamping mouth at the leading-out station, the height of the rolling body 22 is consistent with that of the movable clamping mouth, and the position of the outer edge of the rolling body 22 is consistent with that when the movable clamping mouth moves inwards to the maximum distance along the radial direction of the rotary table under the pushing of the boosting cylinder 110; and the blowing device is arranged on the guide support frame, and the tail end of the blowing pipe 21 of the blowing device is aligned with the rear end face of the carbon brush 12c at the guide station, and is used for blowing the carbon brush 12c loosened by the clamp into the discharge groove.
When the processed carbon brush 12c is transferred to the export station in a rotating manner, the movable clamping nozzle of the fixture can touch the rolling body 22, and the movable clamping nozzle moves inwards along the radial direction of the turntable 1a under the action of the rolling body 22, so that the movable clamping arm of the fixture is far away from the fixed clamping arm, and the carbon brush 12c is loosened; when the carbon brush 12c is loosened by the fixture, the blowing device works, and the carbon brush 12c falls down from the guiding-out station through the gas blown out from the blowing pipe 21.
The leading-out device has a simple structure, the carbon brushes 12c to be processed are easily discharged from the leading-out station, and the carbon brushes 12c are blown off by gas, so that the surfaces of the carbon brushes 12c are smooth and clean without collision, and the quality and the smoothness of products are improved.
The vibrating disk structure 11, the wire arranging mechanism 4, the first vibration mechanism 32, the second vibration mechanism 35, the grinding device 6, the chamfering device 7, and the driving turntable 1a of the present invention may be any structure of the prior art, and therefore, the above-described structures will not be described here.
Next, a process of processing the carbon brush by using the intelligent carbon brush rotary head arc striking machine of the present invention will be described.
The plurality of carbon brushes 12a are directionally sequenced through the vibrating disk structure 11 and are sequentially output to the inclined guide rail 31;
after the carbon brushes 12a enter the inclined guide rail 31, straightening the brush wires of the carbon brushes 12a conveyed on the inclined guide rail 31 by using the wire arranging mechanism 4 positioned below the inclined guide rail, so that the brush wires of the carbon brushes 12a vertically extend downwards;
the carbon brush 12a with the straightened brush wire moves from top to bottom along the inclined guide rail 31 to the tail end of the inclined guide rail 31 and enters the first linear guide rail 33 with the inlet end vertically communicated with the tail end of the inclined guide rail, and at the moment, the carbon brush 12a output from the tail end of the inclined guide rail 31 is pushed into the first linear guide rail 33 through a material pushing cylinder which is arranged near the communication end of the first linear guide rail 33 and the inclined guide rail 31 and the piston rod of which is aligned with the inlet end of the first linear guide rail 33;
the carbon brushes 12a entering the first linear guide 33 are conveyed forward along the first linear guide 33 under the vibration action of the first vibration mechanism 32 located below the first linear guide 33 so as to enter a grinding station;
before the carbon brushes 12a do not enter the grinding station, the roller conveying mechanism 5 arranged on the first linear guide rail 33 and close to the grinding station is adopted to convey the carbon brushes 12a on the first linear guide rail 33 to the grinding station at a constant speed, so that the top end surfaces of the carbon brushes 12a are ground by a grinding device 6 arranged at the grinding station;
the ground carbon brush is continuously fed forwards along the first linear guide rail 33 to reach a chamfering station, and the edge of the ground carbon brush is chamfered through a chamfering device 7 arranged at the chamfering station;
the ground and chamfered carbon brush 12b enters the second linear guide rail 34 and is conveyed forward along the second linear guide rail 34 under the vibration action of the second vibration mechanism 35 located below the second linear guide rail 34 so as to enter the lead-in station;
the invention is characterized in that a turntable 1a is arranged at the tail end of the second linear guide rail, the leading-in station of the turntable 1a is connected with the tail end of the second linear guide rail, a clamp is arranged at the leading-in station of the turntable 1a and used for clamping the carbon brush 12b output from the tail end of the second linear guide rail, and the carbon brush 12b clamped by the clamp is transferred to each processing station by rotating the turntable 1 a. Six stations are uniformly distributed along the circumference of the rotary table 1a, a clamp is arranged on each station, and a leading-in station, a rotary head station, an arc striking station and a leading-out station are sequentially arranged along the rotating direction of the rotary table 1 a.
When the first carbon brush 12b conveyed by the second linear guide rail 34 moves to the lead-in station, the carbon brush 12b is clamped by the clamp at the lead-in station, then the turntable 1a is rotated by 60 degrees, the clamp clamping the carbon brush 12b is rotated to the turning station, the rear end face and the top end face of the carbon brush 12b are positioned by the turning head pressing assembly 86 of the turning head device 8 arranged at the turning station, and the front end face of the carbon brush 12b is subjected to turning head treatment by the turning head milling cutter so as to mill a cylindrical boss on the front end face of the carbon brush 12 b; meanwhile, the second carbon brush 12b conveyed by the second linear guide rail 34 enters the lead-in station and is clamped by a second clamp on the turntable;
after the first carbon brush 12b is turned by the turning device 8, the first carbon brush is transferred to the arc striking station by continuously rotating the turntable 1a by 60 degrees, (at this time, the second carbon brush 12b is transferred to the turning station, the third carbon brush 12b conveyed by the second linear guide rail 34 is transferred to the lead-in station), the front end face and the top end face of the first carbon brush are positioned by an arc striking and pressing device 96 of an arc striking device 9 arranged at the arc striking station, and the rear end face of the carbon brush is subjected to arc striking by an arc striking grinding wheel 95 so as to strike a radian on the rear end face of the carbon brush; meanwhile, the second carbon brush is subjected to spinning treatment through the spinning device 8, and the third carbon brush is clamped through a third clamp;
after the arc striking device 9 finishes the arc striking treatment of the first carbon brush, the first carbon brush is transferred to the leading-out station by continuously rotating the rotary table 1a for 60 degrees, and the processed first carbon brush 12c is discharged through the leading-out device 2 arranged at the leading-out station; meanwhile, the arc striking device 9 performs arc striking on the second carbon brush, the rotating head device 8 performs rotating head on the third carbon brush, the fourth carbon brush 12b conveyed by the second linear guide rail 34 enters the lead-in station and is clamped by the fourth clamp, and the process is repeated in such a circulating way, and the carbon brushes 12a are continuously and sequentially subjected to straightening, grinding, chamfering, lead-in, rotating head, arc striking and lead-out processing.
Although the present invention has been described in detail, the present invention is not limited thereto, and those skilled in the art can modify the principle of the present invention, and thus, various modifications made in accordance with the principle of the present invention should be understood to fall within the scope of the present invention.

Claims (7)

1. A method for spinning and arcing a carbon brush, comprising the steps of, in order:
clamping the carbon brush subjected to grinding and chamfering treatment on a fixture positioned at a leading-in station on a turntable;
rotating the fixture with the carbon brush to a rotary head station on the turntable, positioning the rear end face and the top end face of the carbon brush on the rotary head station through a rotary head device, and performing rotary head processing on the front end face of the carbon brush so as to mill a cylindrical boss on the front end face of the carbon brush;
after a cylindrical boss is milled on the front end face of the carbon brush, rotating the fixture with the carbon brush to an arc striking station on the turntable, positioning the front end face and the top end face of the carbon brush on the arc striking station through an arc striking device, and striking an arc on the rear end face of the carbon brush so as to strike an arc on the rear end face of the carbon brush;
after the rear end face of the carbon brush is provided with a radian, rotating the fixture with the carbon brush to a leading-out station on the turntable, and discharging the carbon brush from the fixture for clamping the carbon brush through a leading-out device;
wherein, the anchor clamps include: the fixed clamping arm is arranged on the turntable and is positioned on one side of the lead-in station; the movable clamping arm is arranged on the turntable and is positioned on the other side of the lead-in station; the linkage assembly is connected with the movable clamping arm and is provided with a movable clamping mouth which is connected with the rotary table and used for moving relative to the rotary table along the radial direction of the rotary table under the action of external force;
when the movable clamping mouth moves relative to the rotary table along the radial direction of the rotary table, the movable clamping arm is driven to move relative to the fixed clamping arm so as to clamp or loosen two sides of the carbon brush, so that the front end face of the carbon brush is subjected to head rotating treatment through the head rotating device during clamping, and the rear end face of the carbon brush is subjected to arc striking treatment through the arc striking device;
wherein, the spiral head device includes: the rotating head pressing assembly is arranged on the workbench, is arranged near the rotating head station and is provided with a rear end face positioning rod used for positioning the rear end face of the carbon brush positioned on the rotating head station and a top end face positioning rod used for positioning the top end face of the carbon brush and connected with the rear end face positioning rod; the rotating head assembly is arranged on the workbench and positioned outside the turntable, and is provided with a rotating head milling cutter of which the tail end is aligned with the front end face of the carbon brush positioned on the rotating head station, and the rotating head milling cutter is used for performing rotating head treatment on the front end face of the carbon brush positioned on the rotating head station so as to process a cylindrical boss on the front end face of the carbon brush;
wherein, the arc striking device includes: the arc striking and pressing assembly is arranged on the workbench, is arranged near the arc striking station and is provided with a front end face positioning rod used for positioning the front end face of the carbon brush positioned on the arc striking station and a top end face positioning rod used for positioning the top end face of the carbon brush and connected with the front end face positioning rod; the arc striking assembly is arranged on the workbench and is provided with an arc striking grinding wheel of which the outer edge is aligned with the rear end face of the carbon brush positioned on the arc striking station, and the arc striking grinding wheel is used for performing arc striking treatment on the rear end face of the carbon brush positioned on the arc striking station so as to grind the rear end face of the carbon brush into a cambered surface.
2. The method according to claim 1, wherein before clamping the carbon brush on the jig at the introduction station, further comprising the steps of:
the plurality of carbon brushes are directionally sequenced through the vibration disc structure and are sequentially output to the inclined guide rail;
straightening the brush wire of the carbon brush conveyed on the inclined guide rail by using a wire arranging mechanism positioned below the inclined guide rail;
after straightening, conveying the carbon brush to a grinding station through a linear feeding device, and grinding the top end surface of the carbon brush through a grinding device;
and after grinding treatment, moving the carbon brush to a chamfering station, and chamfering the edge of the carbon brush through a chamfering device.
3. The method of claim 2, wherein the linear feed device comprises:
the first linear guide rail is vertical to the tail end of the inclined guide rail and is communicated with the tail end of the inclined guide rail;
the pushing cylinder is arranged near the communication end of the first linear guide rail and the inclined guide rail, and a piston rod of the pushing cylinder is aligned with the first linear guide rail and used for pushing the carbon brush output from the tail end of the inclined guide rail into the first linear guide rail;
and the roller conveying mechanism is arranged on the first linear guide rail and close to the grinding station and is used for conveying the carbon brush on the first linear guide rail to the grinding station at a constant speed.
4. The method of claim 3, wherein:
one end of the movable clamping arm is hinged with the fixed clamping arm;
the linkage assembly is connected with the movable clamping arm and used for driving the movable clamping arm to move relative to the fixed clamping arm so as to clamp the carbon brush or loosen the carbon brush.
5. The method of claim 4, wherein the linkage assembly further comprises:
one end of the rotary table is connected with the movable clamping nozzle and vertically penetrates through the vertical shaft of the rotary table from bottom to top, and the rotary table horizontally rotates relative to the rotary table along with the movement of the movable clamping nozzle;
a rotating arm fixedly connected with the other end of the vertical shaft;
the rolling body is arranged at the tail end of the rotating arm and is rotationally connected with the rotating arm;
and the two ends of the elastic piece are respectively connected with the rolling body and the movable clamping arm.
6. The method of claim 5, wherein the linkage assembly further comprises:
the connecting seat is arranged on the bottom end face of the rotary disc;
one end of the connecting shaft is movably connected with the connecting seat and horizontally extends outwards along the radial direction of the turntable;
the movable clamping mouth is connected with the other end of the connecting shaft;
and a spring is sleeved on the connecting shaft between the movable clamping mouth and the connecting seat.
7. The method of claim 6, wherein the bit swage assembly further comprises:
the supporting bracket is arranged on the workbench and positioned above the turntable;
a fixed support platform arranged on the support bracket;
a rotary head cylinder which is arranged on the fixed support platform and the piston rod of which horizontally stretches and retracts towards the rotary head station;
the rear end face positioning rod is arranged on the fixed support table and connected with a piston rod of the rotary head cylinder;
one end of the top end face positioning rod is hinged to the fixed supporting table, and the other end of the top end face positioning rod is connected with the rear end face positioning rod.
CN201510514954.9A 2015-08-21 2015-08-21 Method for spinning and arcing a carbon brush Active CN106466799B (en)

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JP3004170B2 (en) * 1994-06-07 2000-01-31 川崎重工業株式会社 Cleaning device for hollow part of cast camshaft
DE19945911A1 (en) * 1999-09-24 2001-04-12 Harald Scholl Method to manufacture metal roasting and cooking pots, e.g. frying pans; involves machining or milling aluminium base of frying pan and grinding it in circumferential direction
CN101391384A (en) * 2008-11-05 2009-03-25 郑仁增 Full automatic grinding and cutting multi-position machine
CN201415430Y (en) * 2009-05-07 2010-03-03 王铁川 Multifunctional cork plug automatic cutting machine
CN202225043U (en) * 2011-09-29 2012-05-23 浙江名媛工艺饰品有限公司 Grinding and polishing machine and grinding and polishing system for crystal blank
CN203400472U (en) * 2013-07-25 2014-01-22 动利有限公司 Rotary edge trimmer for golf balls
CN104589177B (en) * 2013-10-30 2017-07-14 苏州东南碳制品有限公司 Carbon brush is ground beveler
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CN205057728U (en) * 2015-08-21 2016-03-02 苏州瑞本智能科技有限公司 Intelligence carbon brush revolves head makes arc machine

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