CN117485890B - Feeding mechanism for graphite ball cutter processing - Google Patents
Feeding mechanism for graphite ball cutter processing Download PDFInfo
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- CN117485890B CN117485890B CN202311847733.4A CN202311847733A CN117485890B CN 117485890 B CN117485890 B CN 117485890B CN 202311847733 A CN202311847733 A CN 202311847733A CN 117485890 B CN117485890 B CN 117485890B
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- graphite
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- 230000007246 mechanism Effects 0.000 title claims abstract description 114
- 238000012545 processing Methods 0.000 title claims abstract description 60
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 229910002804 graphite Inorganic materials 0.000 title claims abstract description 39
- 239000010439 graphite Substances 0.000 title claims abstract description 39
- 238000006073 displacement reaction Methods 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims description 44
- 238000012546 transfer Methods 0.000 claims description 31
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000007688 edging Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 15
- 230000001360 synchronised effect Effects 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000003801 milling Methods 0.000 description 5
- 238000013459 approach Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 239000007770 graphite material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/82—Rotary or reciprocating members for direct action on articles or materials, e.g. pushers, rakes, shovels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/02—Articles
- B65G2201/0214—Articles of special size, shape or weigh
- B65G2201/0217—Elongated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention provides a feeding mechanism for graphite ball cutter processing, which is applied to the field of graphite ball cutter processing equipment, and is characterized in that one end of a feeding shell is provided with a direction-adjusting ball for adjusting the direction of a bar, wherein the direction-adjusting ball is provided with a guide hole along the axis direction perpendicular to the rotation direction of the direction-adjusting ball, and a clamping mechanism for clamping and pushing the bar is arranged in the guide hole; the invention reduces the redundant displacement feeding and returning procedures of the traditional five-axis mechanical arm, thereby reducing the radius of five-axis mechanical arm and further improving the processing precision and efficiency of the graphite ball cutter.
Description
Technical Field
The application relates to the field of graphite ball sword processing equipment, in particular to a feeding mechanism for graphite ball sword processing.
Background
In the process from processing to finishing of graphite materials, different cutters are used, wherein a graphite ball cutter is generally used for finishing, and the graphite ball cutter is one type of graphite milling cutter, and is also called as a graphite ball cutter because the end part is spherical in working;
the graphite ball knife is one type of graphite knife, the graphite ball knife needs to be subjected to curved surface semi-finish milling and finish milling in the processing process, and the small graphite ball knife can finish-mill a steep surface, a small chamfer angle of a straight wall and an irregular profile surface; before the graphite ball knife is used, the graphite ball knife needs to be polished, so that the graphite ball knife forms a sharp and proper-shaped cutting edge, and graphite is gradually and widely used in industrial production with good physical and chemical properties.
When the graphite ball cutter is produced, a die is required to be used for producing milling cutter bars, then the milling cutter bars are polished to obtain the ball cutter, the processing method is carried out by adopting a multi-shaft manipulator to clamp the bars to match with a grinder, in the traditional process, the multi-shaft manipulator needs to clamp the bars repeatedly to the grinder for polishing operation, after polishing, the multi-shaft manipulator needs to clamp the processed bars to rotate to a material returning position, so that the working radius of the multi-shaft manipulator is increased, the workload is increased, the generated accumulated error is large, and the processing efficiency is low.
Disclosure of Invention
Compared with the prior art, the feeding mechanism for graphite ball cutter processing comprises a five-axis manipulator for clamping the bar of the graphite ball cutter according to a set program to perform angle and position adjustment, and a feeding shell fixed at the output end of the five-axis manipulator, wherein one end of the feeding shell is provided with a direction regulating ball for regulating the direction of the bar, the direction regulating ball is provided with an introduction hole along the axis direction perpendicular to the rotation direction of the direction regulating ball, and a clamping mechanism for clamping the bar and pushing the bar is arranged in the introduction hole;
the other end of the feeding shell is provided with a feeding chain, the feeding shell is provided with two groups of symmetrically arranged double-layer star-shaped fluted discs, each double-layer star-shaped fluted disc is driven by a servo motor and used for conveying the feeding chain, each feeding chain comprises a plurality of pipe sleeves which are adjacently arranged, bars to be processed are packaged in the corresponding pipe sleeves, two adjacent pipe sleeves are fixed through a rubber connecting block, a transfer mechanism, a feeding mechanism and a material returning mechanism are arranged in the feeding shell, the feeding mechanism is used for pushing bars to be processed in the corresponding pipe sleeves into an introduction hole, the transfer mechanism is used for transferring the bars processed in the introduction hole to the material returning mechanism, and the material returning mechanism is used for pushing the bars to be processed into the empty pipe sleeves.
Further, four groups of clamping mechanisms are equally distributed at the middle part of the guide hole in an equal angle mode, each clamping mechanism comprises a driving wheel and a driven wheel, the driving wheels and the driven wheels synchronously displace along the axial direction perpendicular to the guide hole through a displacement mechanism to realize the clamping action on the bar stock, and the driving wheels and the driven wheels realize the pushing action on the bar stock through a driving mechanism.
Further, the clamping mechanism further comprises a sliding seat, the middle part of the sliding seat is rotationally connected with a rotary push rod through a rotary seat, and two ends of the rotary push rod are respectively and coaxially provided with a spur gear and a worm;
two groups of connecting seats are symmetrically arranged on the upper side and the lower side of the sliding seat and are respectively used for rotationally connecting a driving wheel and a driven wheel, wherein a worm wheel meshed with a worm is coaxially fixed in the middle of the driving wheel.
Further, the displacement mechanism comprises a synchronizing ring, the synchronizing ring is driven by electromagnetic to realize axial reciprocating displacement along the guide hole, an electromagnetic ring is fixed in the steering ball, the synchronizing ring is of a permanent magnet structure, a tensioning spring is clamped between one end of the synchronizing ring far away from the electromagnetic ring and the inner wall of the steering ball, an inclined groove is formed in one side of the synchronizing ring, a ball head matched with the inclined groove is fixed at the end part of the straight gear, and a spring piece is symmetrically fixed on the upper portion and the lower portion of the sliding seat.
Further, the driving mechanism comprises a crown gear, the crown gear is meshed with a straight gear on the rotary push rod, the crown gear is rotationally connected in the steering ball and is coaxially arranged with the guide hole, an annular tooth slot is arranged on the outer side of the circumference of the crown gear, a driving motor is fixed in the steering ball, and a driving gear meshed with the annular tooth slot is fixed at the output end of the driving motor.
Further, one end of the feeding shell is provided with a ball groove matched with the steering ball, the steering ball is rotationally connected in the ball groove through the driving of the servo motor, and the feeding shell is further provided with a steering groove which is convenient for the steering ball to clamp bar stock to rotate and a feeding hole which is convenient for the transfer mechanism to transfer bar stock with the steering ball.
Further, the upper equal angle of transfer mechanism is equallyd divide and is equipped with a plurality of transfer holes, and the bottom of feed casing still is equipped with the loading hole that sets up with the feed hole is coaxial, and one side of loading hole is equipped with the material return hole, and the axis interval of loading hole, material return hole equals the axis interval of adjacent pipe box.
Further, the both ends of pipe box all are equipped with the ring piece, and one side of feed casing is equipped with ring piece assorted guide way, and the both ends of pipe box all are equipped with the end cover that is used for encapsulating the bar, and the end cover is the toper structure, and the end cover awl point at same pipe box both ends sets up relatively, still is equipped with the cross opening on the end cover.
Further, the feeding mechanism comprises a feeding push rod fixed on one side of the feeding shell, the feeding push rod and the feeding hole are coaxially arranged, and an electromagnet is further fixed at the output end of the feeding push rod.
Further, the material returning mechanism is a material returning push rod fixed on the inner side of the feeding shell, and the material returning push rod and the material returning hole are coaxially arranged.
Compared with the prior art, the advantage of this application lies in:
(1) Compared with the traditional feeding mode, the invention adopts the flexible feeding chain structure design, so that the five-axis manipulator only needs to carry out the processing action matched with the mill according to the set program, the traditional bar repeated clamping and the material returning action after the processing is finished are not needed, the feeding and discharging actions can be carried out at the output end of the five-axis manipulator in situ by matching the feeding chain with the transfer mechanism, the clamping mechanism, the feeding mechanism and the material returning mechanism, the five-axis manipulator displacement feeding and material returning procedures are reduced, the accumulated error of the five-axis manipulator is reduced, and the processing precision and the processing efficiency of the graphite ball cutter are improved.
(2) In the invention, when the guide hole of the steering ball enters a bar, the electromagnetic ring is electrified to generate magnetic repulsive force to drive the synchronous ring to move upwards, the slope opening is utilized to squeeze the ball head, the rotary push rod drives the sliding seat to do displacement action against the elastic force of the spring piece, in the process, the matching of the sliding groove and the sliding block is utilized to ensure the stability of the displacement of the sliding seat, the four groups of clamping mechanisms synchronously and relatively displace to the distance equal to the target bar, the preliminary clamping action is completed, when the exposed processing position of the bar in the guide hole does not meet the design length, the crown gear is driven to rotate by the driving motor, the pushing action of the exposed processing position of the bar is realized by utilizing the transmission of the spur gear meshed with the crown gear, the worm gear meshed with the worm and the synchronous inner toothed belt, and when the processing position meets the processing length, the electromagnetic ring drives the synchronous ring to move upwards to the design distance again, so that the relative distance between the driving wheels and the driven wheels of the four groups of the clamping mechanisms is further reduced, and the aim of clamping the bar is achieved.
(3) According to the invention, the displacement mechanism and the driving mechanism are mutually matched, so that the rotation directions and the relative distances of the driving wheels and the driven wheels of the four groups of clamping mechanisms are synchronously adjusted, the requirements of bar processing and clamping with different diameters can be met, the coaxiality of the clamped bar can be effectively maintained, and the processing precision is further improved.
(4) After the grooving and edging procedures of the upper processing part are completed under the cooperation of the five-axis mechanical arm and the mill, the bar is retracted under the pushing of the clamping mechanism, so that the rotation radius of the steering ball is reduced, the turning of the steering ball is matched, the lower processing part of the bar is turned, the pushing of the clamping mechanism is matched, the upper processing part of the bar is moved upwards, the processing operation of the clamping part is carried out on the lower processing part of the bar, and the processing efficiency is further improved.
(5) In the feeding process, when a pipe sleeve on a feeding chain is driven by a double-layer star fluted disc to run to the bottom of a feeding hole, a feeding push rod moves upwards to push a bar in the pipe sleeve into the feeding hole, and the feeding action of the bar is completed by matching with the pushing action and the clamping action of a clamping mechanism; in the material returning process, the steering ball pushes the processed bar downwards by using the clamping mechanism, the feeding push rod adsorbs the processed bar by using the electromagnet at the output end of the feeding push rod to the transfer hole of the transfer mechanism, the transfer mechanism is driven by the servo motor to rotate, the bar in the transfer hole is driven to coaxially arrange with the material returning hole, at the moment, the material returning push rod is started, and the pushed bar enters the empty pipe sleeve to complete the automatic material returning action.
(6) According to the invention, the feeding chain is adopted for feeding, the bar to be processed is packaged by the pipe sleeve of the feeding chain in the initial stage, after the bar is processed, the processed bar is back-packaged in the corresponding pipe sleeve again, and the raw materials are packaged by the feeding chain before and after processing, so that the bar is convenient to transport and arrange, has strong practicability, has market prospect and is suitable for popularization and application.
Drawings
FIG. 1 is a schematic view of the mounting location of the present application on a five-axis manipulator;
FIG. 2 is a schematic elevational view of a feeder housing as set forth in the present application;
FIG. 3 is a schematic view of the back side structure of the feeder housing as set forth in the present application;
FIG. 4 is a schematic view of the internal structure of the feeder housing as set forth in the present application;
FIG. 5 is a schematic view of the internal structure of the steering ball proposed in the present application;
FIG. 6 is a schematic cross-sectional view of a steering ball according to the present disclosure;
FIG. 7 is an enlarged schematic view of the portion A in FIG. 6;
FIG. 8 is a schematic diagram of an exploded structure of a steering ball set forth in the present application;
FIG. 9 is a schematic view of an exploded construction of the clamping mechanism proposed in the present application;
FIG. 10 is a schematic view of the structure of the driving wheel and driven wheel proposed in the present application;
fig. 11 is a schematic structural diagram of a loading turntable and a unloading turntable proposed in the present application;
FIG. 12 is a schematic view of the loading path of the bar stock set forth in the present application;
FIG. 13 is a schematic view of the reject path of the bar presented in the present application;
FIG. 14 is a schematic view showing a state in which the clamping mechanism proposed in the present application pushes a bar and clamps the bar;
FIG. 15 is a schematic view showing a state in which the steering ball is set to adjust the direction of the bar stock;
fig. 16 is a schematic view of the structure of the feed chain proposed in the present application.
The reference numerals in the figures illustrate:
five-axis robot 1, feed housing 2, ball groove 21, steering groove 22, feed hole 23, guide groove 24, feed hole 25, reject hole 26, steering ball 3, feed hole 31, crown gear 32, annular tooth slot 321, drive motor 322, drive gear 323, synchronizing ring 33, ramp port 331, tension spring 332, electromagnetic ring 333, slide groove 34, feed chain 4, sleeve 41, annular block 42, end cap 43, cross gap 431, rubber connection block 44, connection ring 45, feed pusher 5, transfer mechanism 6, transfer hole 61, clamping mechanism 7, slide 71, rotary base 711, spring piece 712, connection base 713, rotary pusher 72, spur gear 721, worm 722, ball head 723, synchronizing inner toothed belt 73, drive wheel 74, worm gear 741, driven wheel 75, slider 76, pulley 77, double-layer star-shaped toothed disc 8, reject pusher 9.
Detailed Description
The embodiments will be described in detail and throughout the specification with reference to the drawings, wherein, based on the embodiments in the application, all other embodiments obtained by persons skilled in the art without making creative efforts are within the scope of protection of the application.
Example 1:
the invention provides a feeding mechanism for graphite ball cutter processing, which is based on the technical problem that a manipulator needs to clamp graphite ball cutter bars to feed in a reciprocating manner in the existing graphite ball cutter processing process, and the processing efficiency is low.
Referring to fig. 1-16, fig. 1 is a schematic view of an installation position of the present application on a five-axis manipulator, and a feeding mechanism for graphite-ball cutter processing includes a five-axis manipulator 1 for clamping bar stock of a graphite-ball cutter according to a set program to perform angle and position adjustment, and a grinding machine is matched to implement slotting and sharpening operations of the graphite-ball cutter, which are all in the prior art and are not described in detail herein;
referring to fig. 1-4, the invention further comprises a feeding shell 2 fixed at the output end of the five-axis manipulator 1, one end of the feeding shell 2 is provided with a direction-adjusting ball 3 for adjusting the direction of the bar, the direction-adjusting ball 3 is provided with a leading-in hole 31 along the axis direction perpendicular to the rotation direction, and a clamping mechanism 7 for clamping and pushing the bar is arranged in the leading-in hole 31;
referring to fig. 2 and 16, a feeding chain 4 is arranged at the other end of the feeding shell 2, two groups of symmetrically arranged double-layer star-shaped fluted discs 8 are arranged on the feeding shell 2, the double-layer star-shaped fluted discs 8 are driven by a servo motor and are used for conveying the feeding chain 4, the feeding chain 4 comprises a plurality of adjacent arranged pipe sleeves 41, bars to be processed are packaged in the pipe sleeves 41, the adjacent two pipe sleeves 41 are fixed through rubber connecting blocks 44, the number of the rubber connecting blocks 44 between the adjacent two pipe sleeves 41 is two symmetrically arranged, the middle parts of the adjacent two pipe sleeves 41 are connected through a connecting ring 45, wherein the connecting ring 45 is used for guaranteeing the freedom degree of the feeding chain 4 along the axial direction of the pipe sleeves 41, and the rubber connecting blocks 44 are used for guaranteeing the freedom degree of the feeding chain 4 along the axial direction of the pipe sleeves 41, so that the whole feeding chain 4 can meet the freedom degree of the five-axis manipulator 1, and follow-up feeding is realized;
the feeding shell 2 is internally provided with a transfer mechanism 6, a feeding mechanism and a material returning mechanism, wherein the feeding mechanism is used for pushing bars to be processed in the pipe sleeve 41 into the guide hole 31, the transfer mechanism 6 is used for transferring the bars processed in the guide hole 31 to the material returning mechanism, and the material returning mechanism is used for pushing the bars to be processed into the empty pipe sleeve 41.
Compared with the traditional feeding mode, the invention adopts the flexible feeding chain 4 structural design, so that the five-axis manipulator 1 only needs to carry out the processing action matched with the mill according to the set program, the traditional bar repeated clamping and the material returning action after the processing is finished are not needed, the feeding and discharging actions can be carried out at the output end of the five-axis manipulator 1 in situ by the feeding chain 4 matched with the middle rotating mechanism 6, the clamping mechanism 7, the feeding mechanism and the material returning mechanism, the displacement feeding and material returning procedures of the five-axis manipulator 1 are reduced, the accumulated error of the five-axis manipulator 1 is reduced, and the processing precision and the processing efficiency of the graphite ball cutter are improved.
Referring to fig. 5-9, two ends of the leading-in hole 31 are provided with horn-shaped openings, so that bars can be conveniently and rapidly pushed into the leading-in hole 31, four groups of clamping mechanisms 7 are equally distributed at equal angles in the middle of the leading-in hole 31, each clamping mechanism 7 comprises a driving wheel 74 and a driven wheel 75, the driving wheel 74 and the driven wheel 75 synchronously displace along the axial direction perpendicular to the leading-in hole 31 through a displacement mechanism to realize the clamping action on the bars, and the driving wheel 74 and the driven wheel 75 realize the pushing action on the bars through a driving mechanism.
In fig. 8, the clamping mechanism 7 further includes a slide 71, the middle part of the slide 71 is rotatably connected with a rotary push rod 72 through a rotary seat 711, and two ends of the rotary push rod 72 are respectively coaxially provided with a spur gear 721 and a worm 722; two groups of connecting seats 713 are symmetrically arranged on the upper side and the lower side of the sliding seat 71, the two groups of connecting seats 713 are respectively used for rotationally connecting a driving wheel 74 and a driven wheel 75, a worm wheel 741 meshed with a worm 722 is coaxially fixed in the middle of the driving wheel 74, belt pulleys 77 are symmetrically arranged on the driving wheel 74 and the driven wheel 75, and the belt pulleys 77 between the same group of driving wheel 74 and the driven wheel 75 realize synchronous rotation through sleeving a synchronous inner toothed belt 73; the two ends of the rotation shafts of the driving wheel 74 and the driven wheel 75 are both fixed with sliding blocks 76, and the inner wall of the steering ball 3 is also provided with sliding grooves 34 corresponding to the sliding blocks 76 one by one.
Referring to fig. 5-9, it should be noted that, in this embodiment, the displacement mechanism includes a synchronizing ring 33, the synchronizing ring 33 is driven by electromagnetic to realize the reciprocating displacement along the axial direction of the guiding hole 31, an electromagnetic ring 333 is fixed in the steering ball 3, the synchronizing ring 33 is of a permanent magnet structure, the electromagnetic ring 333 has magnetic repulsion force to the synchronizing ring 33 under the conductive condition, a tensioning spring 332 is clamped between one end of the synchronizing ring 33 away from the electromagnetic ring 333 and the inner wall of the steering ball 3, the tensioning spring 332 has elastic force for driving the synchronizing ring 33 to approach the electromagnetic ring 333, the synchronizing ring 33 is coaxially arranged with the guiding hole 31, one side of the synchronizing ring 33 is provided with an oblique groove 331, the end of the straight gear 721 is fixed with a ball head 723 matched with the oblique groove 331, a spring piece 712 is symmetrically fixed on the upper and lower sides of the sliding seat 71, one end of the spring piece 712 far from the sliding seat 71 is fixedly connected with the inner wall of the steering ball 3, the spring piece 712 has elastic force for driving the ball head 723 to approach the oblique groove 331, the driving mechanism includes a crown gear 32, the crown gear 32 is meshed with the gear 721 on the rotating push rod 72, the crown gear 32 is rotationally connected in the steering ball 3, and the crown gear 32 is coaxially arranged with the guide groove 321, the annular gear 321 is meshed with the ring gear 322, and the driving end 322 is fixedly meshed with the ring gear 322 is fixedly arranged with the ring gear 321.
In the invention, when the leading-in hole 31 of the steering ball 3 enters a bar, the electromagnetic ring 333 is electrified to generate magnetic repulsion to drive the synchronous ring 33 to move upwards, the inclined groove 331 is utilized to squeeze the ball head 723, the rotary push rod 72 drives the sliding seat 71 to perform displacement action against the elastic force of the spring piece 712, in the process, the matching of the sliding groove 34 and the sliding block 76 is utilized to ensure the stability of the displacement of the sliding seat 71, the four groups of clamping mechanisms 7 are synchronously and relatively displaced until the relative spacing is equal to the spacing of target bar, the preliminary clamping action is completed, when the exposed processing position of the bar in the leading-in hole 31 does not meet the design length, the driving motor 322 is utilized to drive the crown gear 32 to rotate, the transmission of the spur gear 721 meshed with the crown gear 32, the worm wheel 741 meshed with the worm 722 and the synchronous inner toothed belt 73 is utilized, so that the pushing action of the exposed processing position of the bar is realized, and when the processing position meets the processing length, the electromagnetic ring 33 is driven again to move upwards to the design distance, so that the relative spacing between the driving wheels 74 and the driven wheels 75 of the four groups of clamping mechanisms 7 is further reduced, and the purpose of clamping bar 333 is achieved.
According to the invention, the displacement mechanism and the driving mechanism are mutually matched, so that the rotation directions and the relative intervals of the driving wheels 74 and the driven wheels 75 of the four groups of clamping mechanisms 7 are synchronously adjusted, the requirements of bar processing and clamping with different diameters can be met, the coaxiality of the clamped bar can be effectively maintained, and the processing precision is further improved.
Referring to fig. 4-5 and fig. 13-14, one end of the feeding shell 2 is provided with a ball groove 21 matched with the steering ball 3, the steering ball 3 is rotationally connected in the ball groove 21 through driving of a servo motor, and the feeding shell 2 is also provided with a steering groove 22 which is convenient for the steering ball 3 to clamp bar stock to rotate and a feeding hole 23 which is convenient for the transfer mechanism 6 to transfer bar stock with the steering ball 3.
After the grooving and edging procedures of the upper processing part are completed under the cooperation of the five-axis mechanical arm 1 and the mill, the bar is retracted under the pushing of the clamping mechanism 7, so that the rotation radius of the steering ball 3 is reduced, the turning of the steering ball 3 is matched, the lower processing part of the bar is turned over, the pushing of the clamping mechanism 7 is matched, the upper processing part of the bar is moved upwards, and the processing operation of the clamping part is carried out, so that the processing efficiency is further improved.
In fig. 10-12, the transfer mechanism 6 is driven by a servo motor, a plurality of transfer holes 61 are uniformly distributed at equal angles on the transfer mechanism 6, a feeding hole 25 coaxially arranged with the feeding hole 23 is further formed in the bottom of the feeding shell 2, a material returning hole 26 is formed in one side of the feeding hole 25, and the axial distance between the feeding hole 25 and the material returning hole 26 is equal to that between the adjacent pipe sleeves 41.
In fig. 15, ring blocks 42 are respectively arranged at two ends of a pipe sleeve 41, a guide groove 24 matched with the ring blocks 42 is arranged at one side of a feeding shell 2, end covers 43 for packaging bar materials are respectively arranged at two ends of the pipe sleeve 41, the end covers 43 are in conical structures, conical tips of the end covers 43 at two ends of the same pipe sleeve 41 are oppositely arranged, cross-shaped openings 431 are also formed in the end covers 43, a feeding mechanism comprises a feeding push rod 5 fixed at one side of the feeding shell 2, the feeding push rod 5 and a feeding hole 25 are coaxially arranged, an electromagnet is further fixed at the output end of the feeding push rod 5, and a material returning mechanism is a material returning push rod 9 fixed at the inner side of the feeding shell 2 and is coaxially arranged with the material returning hole 26.
In the feeding process, when the pipe sleeve 41 on the feeding chain 4 is driven by the double-layer star-shaped fluted disc 8 to move to the bottom of the feeding hole 25, the feeding push rod 5 moves up to push the bar in the pipe sleeve 41 into the feeding hole 23, and the pushing action and the clamping action of the clamping mechanism 7 are matched, so that the feeding action of the bar is completed; in the material returning process, the steering ball 3 pushes the processed bar downwards by using the clamping mechanism 7, the feeding push rod 5 adsorbs the processed bar to the transfer hole 61 of the transfer mechanism 6 by using the electromagnet at the output end of the feeding push rod, the transfer mechanism 6 rotates under the driving of the servo motor to drive the bar in the transfer hole 61 to be coaxially arranged with the material returning hole 26, at the moment, the material returning push rod 9 is started, and the bar is pushed to enter the empty pipe sleeve 41 to complete the automatic material returning action.
According to the invention, the feeding chain 4 is adopted for feeding, the pipe sleeve 41 of the feeding chain 4 is used for packaging the bar to be processed in the initial stage, after the bar is processed, the processed bar is back-packaged in the corresponding pipe sleeve 41 again, and the raw materials are packaged by the feeding chain 4 before and after processing, so that the bar is convenient to transport and arrange, has strong practicability, has market prospects, and is suitable for popularization and application.
It should be noted that, the control units of the clamping mechanism 7, the displacement mechanism, the driving mechanism, the feeding push rod 5, the transfer mechanism 6, the material returning push rod 9 and the double-layer star-shaped fluted disc 8 are all connected in parallel to the control system of the five-axis manipulator 1, and are matched with corresponding sensors (such as a displacement sensor for detecting the exposed processing length of the bar inside and outside the steering ball 3, a pressure sensor for detecting the clamping force of the bar, and the like), so that synchronous and cooperative operation of the invention and the five-axis manipulator 1 is realized.
The foregoing is merely a preferred embodiment of the present application, which is used in connection with the actual requirement, but the scope of the present application is not limited thereto.
Claims (10)
1. The feeding mechanism for graphite ball cutter processing comprises a five-axis mechanical arm (1) for clamping bar stock of the graphite ball cutter according to a set program to adjust angles and positions, and is matched with a grinder to realize the slotting and edging processing operation of the graphite ball cutter,
the feeding device is characterized by further comprising a feeding shell (2) fixed at the output end of the five-axis manipulator (1), wherein one end of the feeding shell (2) is provided with a direction regulating ball (3) for regulating the direction of a bar, the direction regulating ball (3) is provided with a guide hole (31) along the axis direction perpendicular to the rotation direction of the direction regulating ball, and a clamping mechanism (7) for clamping and pushing the bar is arranged in the guide hole (31);
the feeding device is characterized in that a feeding chain (4) is arranged at the other end of the feeding shell (2), two groups of symmetrically arranged double-layer star-shaped fluted discs (8) are arranged on the feeding shell (2), the double-layer star-shaped fluted discs (8) are driven by a servo motor and are used for conveying the feeding chain (4), the feeding chain (4) comprises a plurality of adjacent arranged pipe sleeves (41), bars to be processed are packaged in the pipe sleeves (41), two adjacent pipe sleeves (41) are fixed through a rubber connecting block (44), a transfer mechanism (6), a feeding mechanism and a material returning mechanism are arranged in the feeding shell (2), the feeding mechanism is used for pushing bars to be processed in the pipe sleeves (41) into an introduction hole (31), the transfer mechanism (6) is used for transferring the bars processed in the introduction hole (31) to a material returning mechanism, and the material returning mechanism is used for pushing the bars to be processed into the empty pipe sleeves (41).
2. The feeding mechanism for graphite ball cutter processing according to claim 1, wherein four groups of clamping mechanisms (7) are equally distributed at the middle part of the guide hole (31), the clamping mechanisms (7) comprise a driving wheel (74) and a driven wheel (75), the driving wheel (74) and the driven wheel (75) synchronously displace along the axial direction of the vertical guide hole (31) through a displacement mechanism to realize the clamping action on the bar stock, and the driving wheel (74) and the driven wheel (75) realize the pushing action on the bar stock through a driving mechanism.
3. The feeding mechanism for graphite ball cutter processing according to claim 2, wherein the clamping mechanism (7) further comprises a sliding seat (71), a rotary push rod (72) is rotatably connected to the middle part of the sliding seat (71) through a rotary seat (711), and a spur gear (721) and a worm (722) are coaxially arranged at two ends of the rotary push rod (72);
two groups of connecting seats (713) are symmetrically arranged on the upper side and the lower side of the sliding seat (71), the two groups of connecting seats (713) are respectively used for rotationally connecting a driving wheel (74) and a driven wheel (75), and a worm wheel (741) meshed with a worm (722) is coaxially fixed in the middle of the driving wheel (74).
4. The feeding mechanism for graphite ball cutter processing according to claim 3, wherein the displacement mechanism comprises a synchronizing ring (33), the synchronizing ring (33) is driven by electromagnetic force to realize axial reciprocating displacement along the guide hole (31), an electromagnetic ring (333) is fixed in the steering ball (3), the synchronizing ring (33) is of a permanent magnet structure, a tensioning spring (332) is clamped between one end of the synchronizing ring (33) far away from the electromagnetic ring (333) and the inner wall of the steering ball (3), an inclined groove (331) is arranged on one side of the synchronizing ring (33), a ball head (723) matched with the inclined groove (331) is fixed at the end part of the spur gear (721), and spring pieces (712) are symmetrically fixed on the upper side and the lower side of the sliding seat (71).
5. A feeding mechanism for graphite ball cutter processing according to claim 3, wherein the driving mechanism comprises a crown gear (32), the crown gear (32) is meshed with a spur gear (721) on a rotary push rod (72), the crown gear (32) is rotatably connected in a direction-adjusting ball (3) and coaxially arranged with the guide hole (31), an annular tooth slot (321) is arranged on the outer side of the circumference of the crown gear (32), a driving motor (322) is fixed in the direction-adjusting ball (3), and a driving gear (323) meshed with the annular tooth slot (321) is fixed at the output end of the driving motor (322).
6. The feeding mechanism for graphite ball cutter processing according to claim 1, wherein one end of the feeding shell (2) is provided with a ball groove (21) matched with the steering ball (3), the steering ball (3) is rotationally connected in the ball groove (21) through a servo motor, and the feeding shell (2) is further provided with a steering groove (22) which is convenient for the steering ball (3) to clamp bar to rotate, and a feeding hole (23) which is convenient for the transfer mechanism (6) to transfer bar with the steering ball (3).
7. The feeding mechanism for graphite ball cutter processing according to claim 6, wherein a plurality of transfer holes (61) are uniformly distributed on the transfer mechanism (6) at equal angles, a feeding hole (25) coaxially arranged with the feeding hole (23) is further formed in the bottom of the feeding shell (2), a material returning hole (26) is formed in one side of the feeding hole (25), and the axial distance between the feeding hole (25) and the material returning hole (26) is equal to the axial distance between adjacent sleeves (41).
8. The feeding mechanism for graphite ball cutter processing according to claim 7, wherein annular blocks (42) are arranged at two ends of the pipe sleeve (41), guide grooves (24) matched with the annular blocks (42) are formed in one side of the feeding shell (2), end covers (43) for packaging bar materials are arranged at two ends of the pipe sleeve (41), the end covers (43) are in conical structures, conical tips of the end covers (43) at two ends of the same pipe sleeve (41) are arranged oppositely, and cross-shaped openings (431) are formed in the end covers (43).
9. The feeding mechanism for graphite ball cutter processing according to claim 8, wherein the feeding mechanism comprises a feeding push rod (5) fixed on one side of the feeding shell (2), the feeding push rod (5) and the feeding hole (25) are coaxially arranged, and an electromagnet is further fixed at the output end of the feeding push rod (5).
10. The feeding mechanism for graphite ball cutter processing according to claim 8, wherein the material returning mechanism is a material returning push rod (9) fixed on the inner side of the feeding shell (2), and the material returning push rod (9) is coaxially arranged with the material returning hole (26).
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| CN202311847733.4A CN117485890B (en) | 2023-12-29 | 2023-12-29 | Feeding mechanism for graphite ball cutter processing |
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