CN118989485A - Drilling device and method for hard alloy machining - Google Patents
Drilling device and method for hard alloy machining Download PDFInfo
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- CN118989485A CN118989485A CN202411500442.2A CN202411500442A CN118989485A CN 118989485 A CN118989485 A CN 118989485A CN 202411500442 A CN202411500442 A CN 202411500442A CN 118989485 A CN118989485 A CN 118989485A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
- B23H9/14—Making holes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides a drilling device and a drilling method for hard alloy processing, and relates to the technical field of hard alloy processing. This a drilling equipment for carbide processing, including board, moving workbench, breakwater, high-pressure water pump, stand, processing aircraft nose, copper pipe, be used for the automatic chuck of centre gripping copper pipe, be used for providing the feed assembly of copper pipe and be used for the centre gripping copper pipe in order to realize the material loading subassembly to automatic chuck material loading. The direction of inserting the copper pipe into the automatic chuck is consistent with the direction of most electric spark perforating machines in the prior art, the automatic chuck is applied to the transformation of the prior equipment, only the feeding component, the feeding component and the lower limiting structure are needed to be added, the upper cover and the storage barrel are driven by the driving motor to rotate for one stroke, so that the copper pipe is discharged from the discharging hole, and during feeding, the full length of the copper pipe is clamped through the pipe clamping rod and the two groups of wear-resisting pads, so that the automatic chuck has very good fixing and guiding functions, and the automatic feeding function is realized.
Description
Technical Field
The invention relates to the technical field of hard alloy machining, in particular to a drilling device and a drilling method for hard alloy machining.
Background
The hard alloy is an alloy material prepared from hard compound of refractory metal and binding metal through powder metallurgy process, and has a series of excellent properties of high hardness, wear resistance, better strength and toughness, heat resistance, corrosion resistance and the like, in particular to the high hardness and wear resistance of the hard alloy.
The hard alloy is widely used for manufacturing wear-resistant parts in cutting tools, cutters, cobalt tools and dies, conventional chip processing cannot be used for the hard alloy due to the hardness and brittleness of the hard alloy, when the wear-resistant parts in the plate-shaped hard alloy material processing dies are processed, an electric spark puncher is used for drilling the hard alloy plate in an electric corrosion mode, then the appearance of the part is processed by wire cutting after threading through the drilled holes, a plurality of cavities are usually formed in the large part to be processed, a plurality of holes are required to be drilled, the existing electric spark puncher technology has been developed to realize automatic movement of the plate on a machine table through programming so as to realize drilling with different coordinates, but the tools for punching, namely copper pipes, belong to consumable materials, are corroded when the copper pipes are drilled, frequent replacement is needed, and the replacement operation still needs manual installation at present;
The automatic copper tube replacing device comprises a hollow rotating shaft, wherein a driving assembly is arranged outside the hollow rotating shaft and used for driving the hollow rotating shaft to rotate; the device comprises a hollow rotating shaft, and is characterized in that an elastic clamping head is arranged at the bottom of the hollow rotating shaft, a stop ring is connected to the outer side of the bottom of the hollow rotating shaft in a threaded manner, the elastic clamping head penetrates through the stop ring and presses the end part of the elastic clamping head to the end part of the hollow rotating shaft through the stop ring, a rubber water stop plug is arranged between the elastic clamping head and the hollow rotating shaft, and a through hole is arranged in the center of the rubber water stop plug; the rotary clamping device can realize the water tightness of the interior, simultaneously realize the rotation of the rotary shaft and the clamping and loosening of the copper pipe through single driving power, and improve the compactness of the structure;
In this structure, in order to guarantee that the copper pipe penetrates smoothly and the material loading is penetrated from the upper portion of aircraft nose, be inconsistent with current most electric spark puncher structure, if need apply, need change greatly, and its copper pipe supply mode is "snatch cylinder is located copper pipe blanking storehouse's top, lift up the back that the copper pipe that gets into the bundle through snatch cylinder clamp many times, pull through many times, it drops to have a copper pipe to follow the through-hole of the second director of copper pipe blanking storehouse lower part, pull through blanking mechanism of lower part afterwards, copper pipe diameter is usually less, the specification of commonly used is 0.5mm, 0.8mm and 1mm, in order to drop only one copper pipe at a time, the through-hole of director just need set up near copper pipe diameter, thereby it makes difficult for above-mentioned feed mode to make copper pipe drop down from the director through-hole smoothly, result in follow-up operation all can't go on, for this reason, it is necessary to improve and optimize drilling equipment and method for carbide processing.
Disclosure of Invention
(One) solving the technical problems
Aiming at the defects of the prior art, the invention provides a drilling device and a drilling method for hard alloy processing, which solve the problems that the automatic copper pipe feeding mode in the prior art is not matched with the prior equipment and is not beneficial to transformation and the copper pipe feeding structure in the prior art is unreasonable.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a drilling equipment for carbide processing, includes board, moving workbench, breakwater, high-pressure water pump, stand, processing aircraft nose, copper pipe, the automatic chuck that is used for centre gripping copper pipe, the feed subassembly that is used for providing the copper pipe and is used for centre gripping copper pipe in order to realize the material loading subassembly to automatic chuck material loading, the processing aircraft nose passes through drive assembly and sets up at the stand front wall, automatic chuck rotates to be connected at processing aircraft nose lower wall, stand front wall and be close to stand lower extreme position fixedly connected with eye template, eye template inner wall is provided with the through-hole that link up from top to bottom, the through-hole is relative from top to bottom with automatic chuck centre gripping, the feed subassembly is through upper bracket, lower support setting at the stand left wall, the feed subassembly includes storage bucket, upper cover and lower cover and is used for centre gripping copper pipe and lower limit structure down, be provided with the rotary driving structure that is used for driving the upper cover to rotate between storage bucket, upper cover and the lower cover, the feed subassembly includes drive box, lift driving structure, first slip table, control translation driving structure, second slip table, be used for shifting the clamp pipe and the clamp bar from automatic slip table and the clamp bar of clamping bar through two clamp bar action clamp bar and clamp bar.
Preferably, the upper support and the lower support are vertically distributed and sequentially fixedly connected to the left wall of the upright post, the overlooking sections of the upper support and the lower support are L-shaped, the upper cover is rotationally connected to the lower wall of the upper support through a rotary driving structure and is positioned at one end far away from the upright post, the lower cover is fixedly connected to the upper wall of the lower support, the lower cover and the upper cover are overlapped in overlooking projection, the storage barrel is fixedly connected to the lower wall of the upper cover, and one end far away from the upper cover of the storage barrel is rotationally connected with the upper wall of the lower cover through a bearing.
Preferably, the feeding structure comprises a plurality of groups of feeding holes, a plurality of groups of storage holes and a plurality of groups of discharging holes, wherein the feeding holes are all arranged on the inner wall of the upper cover in an up-down penetrating manner, the feeding holes are all distributed in a circumference equally-dividing manner by taking the axle center of the upper cover as the center, the storage holes are all arranged on the annular inner wall of the storage barrel in an up-down penetrating manner, the storage holes are respectively opposite to the feeding holes in a plurality of groups, the discharging holes are arranged on the inner wall of the lower cover in an up-down penetrating manner, the right-most group of the discharging holes and the feeding holes in a plurality of groups of feeding holes is opposite to one another in an up-down manner under the overlooking projection, and the diameters of the feeding holes, the storage holes and the discharging holes are all one point twice the diameters of copper pipes.
Preferably, the rotary driving structure is a driving motor, the driving motor is fixedly connected to the upper wall of the upper support and is located at one end far away from the upright post, the driving motor extending shaft penetrates through the inner wall of the upper support and extends out below the upper support, and the upper cover is fixedly connected to the end part of the driving motor extending shaft, and the axle center of the upper cover is opposite to the axle center of the driving motor.
Preferably, the lower limit structure is a limit plate, the limit plate is fixedly connected to the left wall of the upright post and positioned below the lower cover, and the limit plate is a polytetrafluoroethylene plate.
Preferably, the lifting driving structure comprises a first cylinder and two groups of first guide rods, the right wall of the upright column is fixedly connected with a side fixing plate, the driving box is fixedly connected to one side, away from the upright column, of the side fixing plate, the front wall of the driving box is provided with a sliding groove on one side, away from the side fixing plate, of the driving box, the first sliding table is connected to the inner side wall of the sliding groove in a penetrating mode, the two groups of first guide rods are sequentially and fixedly connected to the upper wall of the first sliding table in a front-back distribution mode and are all located inside the driving box, one ends, away from the first sliding table, of the first guide rods are all penetrated through the upper wall of the driving box and are all in sliding connection with the upper wall of the driving box, the end of the first cylinder extending shaft penetrates through the upper wall of the driving box and extends into the inside of the driving box, and one end, extending into the inside the driving box, of the first cylinder extending shaft is fixedly connected with the upper wall of the first sliding table.
Preferably, the left-right translation drive comprises a second cylinder, two groups of sliding blocks and two groups of second guide rods, the second cylinder is fixedly connected to the upper wall of the first sliding table and is located at the front side of the driving box, a second cylinder extension shaft is arranged at the left end of the second cylinder, a second cylinder extension shaft extension line is intersected with and perpendicular to an automatic chuck axis extension line, the second sliding table is fixedly connected to the end part of the second cylinder extension shaft, the two groups of sliding blocks are fixedly connected to the upper wall of the first sliding table and are respectively located at the front side and the rear side of the second cylinder, the two groups of second guide rods are fixedly connected to the right wall of the second sliding table and are respectively opposite to the left side and the right side of the two groups of sliding blocks, one end, far away from the second sliding table, of the second guide rods penetrates through the two groups of sliding blocks, and the two groups of second guide rods are in sliding connection with the first sliding table.
Preferably, the clamping driving structure is a finger cylinder, the finger cylinder is fixedly connected to the upper wall of the second sliding table, two groups of clamping fingers capable of opening and closing back and forth are arranged at the left end of the finger cylinder, and the two groups of clamping blocks are respectively and fixedly connected to one sides of the two groups of clamping fingers opposite to each other and are located at one ends of the clamping fingers away from the finger cylinder.
Preferably, the pipe clamping rod comprises two groups of semicircular rods, the two groups of semicircular rods are fixedly connected between two opposite sides of the two groups of clamping blocks respectively, two groups of clamping holes penetrating up and down are formed in the two groups of semicircular rods, one end of each of the two groups of semicircular rods, which is arranged at the upper end and the lower end of each semicircular rod, is in sliding connection with one group of semicircular sleeves, grooves are formed in the connecting position of the two opposite sides of the circumferential outer wall of each semicircular rod, two groups of protruding ribs are formed in the positions of the semicircular sleeves corresponding to the grooves, the semicircular sleeves are in sliding connection with the semicircular rods through the protruding ribs and the grooves, two groups of mounting rods are fixedly connected to the upper wall and the lower wall of each semicircular block, four groups of mounting rods penetrate through the inner walls of the two groups of semicircular sleeves respectively at one end of each mounting rod, one end of each mounting rod extending into each semicircular sleeve is provided with a limiting head for preventing each semicircular sleeve from falling off from the mounting rod, springs are arranged on the outer wall of each mounting rod and are arranged between the corresponding sides of the semicircular sleeves, the two groups of the semicircular sleeves are arranged in the corresponding sides of the semicircular sleeves, one end of each semicircular sleeve is far away from the corresponding copper pipe, and the two groups of the two wear-resistant pads are arranged in the corresponding inner walls of the two groups of the two wear-resistant pads, and the inner walls are in the same diameter hole, and are in the two wear-resistant pads, and the inner diameter hole is formed in the two wear-resistant pads are two diameters and have the same, and one end wear-resistant pad hole.
The drilling method of the drilling device for hard alloy machining comprises the following steps of:
S1, preparing feeding, namely clamping a hard alloy material to be drilled on the upper wall of a movable workbench, and putting copper pipes into a plurality of groups of storage holes with current positions not aligned with the discharge holes up and down through a plurality of groups of feeding holes;
S2, feeding copper pipes, wherein a second cylinder extends out to drive a pipe clamping rod to move leftwards until clamping holes in the pipe clamping rod are aligned with the discharging holes up and down, at the moment, two groups of wear-resisting pads are respectively connected with the lower wall of a lower cover and the upper wall of a limiting plate in a sliding way, the two groups of semicircular rods are driven to be separated through the action of a finger cylinder until the clamping holes are separated to allow copper pipes to pass through, a driving motor starts clockwise rotation under overlooking projection to drive the upper cover and a storage barrel to rotate until the groups of storage holes move by a hole distance along a pointer under overlooking projection, copper pipes in the storage holes opposite to the discharging holes downwards fall into the clamping holes along the discharging holes through dead weight, and then the two groups of semicircular rods are driven to be combined through the action of the finger cylinder, so that the copper pipes are clamped through the clamping holes;
S3, feeding the copper pipe, after clamping the copper pipe by the pipe clamping rod, retracting the second cylinder extension shaft until the clamping hole is opposite to the upper end and lower end of the automatic clamping head shaft, opening the clamping head by the automatic clamping head and driving the automatic clamping head to move downwards through the driving component, driving the corresponding two groups of semicircular sleeves to move downwards along the outer wall of the pipe clamping rod by extruding the wear pad after contacting the wear pad at the upper end of the pipe clamping rod, gradually exposing the upper end of the copper pipe from the guide hole at the upper side, continuously guiding and continuously descending the copper pipe through the guide hole, inserting the upper end of the copper pipe into the automatic clamping head until the lower wall of the wear pad at the upper end of the pipe clamping rod contacts the pipe clamping rod, starting the clamping action to clamp the copper pipe, starting the first cylinder, synchronously driving the automatic clamping head and the driving component to move downwards synchronously, enabling the wear pad at the lower end of the pipe clamping rod to contact the eye template, stopping moving downwards through the limit of the eye template, continuously moving the wear pad at the lower end of the pipe clamping rod, continuously moving the copper pipe by the pipe clamping rod and the automatic clamping head, and continuously moving the copper pipe through the guide pad at the lower end, and stopping the two groups of the copper pipe, and completely retracting the copper pipe from the cylinder extension shaft to the second cylinder extension shaft after the two groups are separated from the cylinder extension shaft, and completely extending to the cylinder extension shaft, and completely retracted to the second cylinder extension shaft after the two cylinder extension shaft is driven to the cylinder extension shaft is separated from the cylinder end and the cylinder extension shaft is completely;
S4, drilling, namely driving the hard alloy material to be drilled to displace through a movable workbench, enabling the coordinate to be drilled to be aligned with the axis of the automatic chuck vertically, starting the power supply of the machining machine head, the rotation of the automatic chuck and the water supply of the high-pressure water pump, driving the electrified copper pipe to rotate by a driving assembly and simultaneously downwards moving, and performing electric spark drilling on the hard alloy material to be drilled;
S5, replacing the copper pipe, when the copper pipe in the automatic clamping head is consumed to a length which cannot be continuously processed, driving the automatic clamping head to ascend by the driving component, driving the pipe clamping rod to move below the automatic clamping head by the second air cylinder, clamping the old copper pipe, and then pulling out the old copper pipe, and repeating S2, S3, S4 and S5 until all holes are processed.
(III) beneficial effects
The invention provides a drilling device and a drilling method for hard alloy processing. The beneficial effects are as follows:
1. Compared with the prior art, the drilling device and the drilling method for processing the hard alloy have the advantages that the direction of inserting the copper pipe into the automatic chuck is consistent with the direction of most electric spark punchers in the prior art, only the feeding component, the feeding component and the lower limiting structure are needed to be added in the improvement of the prior equipment, the original structure of the equipment is not damaged greatly, and the popularization is facilitated.
2. Compared with the prior art, the drilling device and the drilling method for hard alloy processing are provided with the storage barrel and the upper cover which can be driven to rotate by the driving motor, the storage barrel and the upper cover are respectively provided with the storage hole and the feeding hole, the lower cover is provided with the group of discharging holes, copper pipes are added into all the storage holes before working, production requirements can be met, when the copper pipes need to be replaced, the driving motor drives the upper cover and the storage barrel to rotate for a stroke, the copper pipes are discharged from the discharging holes, continuous operation is realized, and manual participation degree is reduced.
3. Compared with the prior art, the drilling device and the drilling method for hard alloy processing have the advantages that during feeding, the whole length of the copper pipe is clamped through the pipe clamping rod and the two groups of wear-resisting pads, the copper pipe is very well fixed and guided, the chuck is driven to descend through the driving assembly to form relative movement with the copper pipe during feeding in the automatic chuck, the copper pipe is conveniently inserted into the automatic chuck, the copper pipe is driven to be inserted into the eye template through synchronous action of the driving assembly and the first cylinder during insertion of the copper pipe into the eye template, and the automatic feeding effect is achieved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;
FIG. 3 is a partial cross-sectional view of the interior of the upper lid, storage bucket and lower lid attachment structure of the present invention;
FIG. 4 is an enlarged view of a portion of the invention at B in FIG. 3;
FIG. 5 is an enlarged view of a portion of the invention at C in FIG. 3;
FIG. 6 is a partial schematic view of the connection structure of the upright post, the driving box, the eye template and the feeding assembly of the present invention;
FIG. 7 is an enlarged view of a portion of the invention at D in FIG. 6;
FIG. 8 is an enlarged view of a portion of the invention at E in FIG. 6;
fig. 9 is a partial cross-sectional view of the depression surface of the semicircular stem and semicircular collar connection structure of the present invention.
1, A machine table; 2. a water baffle; 3. a column; 4. a processing machine head; 5. an automatic chuck; 6. an upper support; 7. a lower support; 8. a storage barrel; 9. an upper cover; 10. a lower cover; 11. a driving motor; 12. a feeding hole; 13. a material storage hole; 14. a discharge hole; 15. a side fixing plate; 16. an eye template; 17. a drive box; 18. a first guide bar; 19. a first cylinder; 20. a chute; 21. a first sliding table; 22. a slide block; 23. a second guide bar; 24. a second sliding table; 25. a second cylinder; 26. a finger cylinder; 27. clamping blocks; 28. a semicircular rod; 29. a groove; 30. a mounting rod; 31. a spring; 32. a semicircular sleeve; 33. a wear block; 34. a pilot hole; 35. a clamping hole; 36. convex ribs; 37. and a limiting plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1 to 9, the embodiment of the invention provides a drilling device for hard alloy processing, which comprises a machine table 1, a movable workbench, a water baffle 2, a high-pressure water pump, a column 3, a processing machine head 4, a copper pipe, an automatic chuck 5 for clamping the copper pipe, a feeding component for providing the copper pipe and a feeding component for clamping the copper pipe to realize feeding to the automatic chuck 5, wherein the machine table 1, the movable workbench, the water baffle 2, the high-pressure water pump, the column 3 and the processing machine head 4 are consistent with the existing electric spark puncher, and further comprises a control device which is not shown in the figure, a position sensor for confirming the accuracy of each action position and a material sensor for confirming whether the material is in place, wherein the control device and the sensor are consistent with the structure and the action in the prior art, and only the feeding component, the feeding component and the lower limiting structure are required to be added to the left side wall and the right side wall of the column 3 when the original equipment is reformed;
in order to provide copper pipes conveniently in the processing process, the processing machine head 4 is arranged on the front wall of the upright post 3 through a driving component, the automatic chuck 5 is rotationally connected to the lower wall of the processing machine head 4, the front wall of the upright post 3 is fixedly connected with an eye template 16 near the lower end of the upright post 3, the inner wall of the eye template 16 is provided with a through hole which is vertically penetrated, the through hole is vertically opposite to the clamping center of the automatic chuck 5, a feeding component is arranged on the left wall of the upright post 3 through an upper support 6 and a lower support 7, the upper support 6 and the lower support 7 are vertically distributed and are sequentially and fixedly connected to the left wall of the upright post 3, the overlooking sections of the upper support 6 and the lower support 7 are L-shaped, the feeding component comprises a storage barrel 8, an upper cover 9, a lower cover 10 and a lower limiting structure, the upper cover 9 is rotationally connected to the lower wall of the upper support 6 and is positioned at one end far away from the upright post 3 through a rotary driving structure, the lower cover 10 is fixedly connected to the upper wall of the lower support 7 and the upper cover 10 is overlapped with the overlooking projection of the upper cover 9, the storage barrel 8 is fixedly connected with the lower wall of the upper cover 9, one end of the storage barrel 8, which is far away from the upper cover 9, is rotatably connected with the upper wall of the lower cover 10 through a bearing, a feeding structure is arranged among the storage barrel 8, the upper cover 9 and the lower cover 10, the feeding structure comprises a plurality of groups of feeding holes 12, a plurality of groups of feeding holes 13 and a group of discharging holes 14, the plurality of groups of feeding holes 12 are all arranged on the inner wall of the upper cover 9 in a vertically penetrating manner, the plurality of groups of feeding holes 12 are all distributed uniformly in a circumference shape with the axle center of the upper cover 9 as the center, the plurality of groups of feeding holes 13 are all arranged on the annular inner wall of the storage barrel 8 in a vertically penetrating manner, the plurality of groups of feeding holes 13 are respectively opposite to the plurality of groups of feeding holes 12, the discharging holes 14 are arranged on the inner wall of the lower cover 10 in a vertically penetrating manner, the plurality of groups of feeding holes 14 are opposite to the rightmost side of the plurality of groups of feeding holes 12 in a top view projection, the inner diameters of the plurality of groups of storage holes 13 and the group of discharge holes 14 are one point twice of the diameter of the copper pipe, and when the copper pipe is prepared to work, the copper pipe is put into the storage holes 13 through the feed holes 12, and the storage holes 13 can be particularly hundreds of groups, so that the production requirement of one shift can be met;
In order to achieve the purpose of feeding, a rotary driving structure for driving the upper cover 9 to rotate is arranged on the upper cover 9, the rotary driving structure is a driving motor 11, the driving motor 11 is fixedly connected to the upper wall of the upper support 6 and is positioned at one end far away from the upright post 3, a protruding shaft of the driving motor 11 penetrates through the inner wall of the upper support 6 and protrudes below the upper support 6, the upper cover 9 is fixedly connected to the end part of the protruding shaft of the driving motor 11, the shaft center of the upper cover 9 is opposite to the shaft center of the driving motor 11, the driving motor 11 can be a servo motor, and the upper cover 9 and the storage barrel 8 are driven to rotate for a stroke according to each time when the control device is started, so that copper pipes positioned in the storage hole 13 are rotated to the position above the discharge hole 14, and the copper pipes fall from the storage hole 13 and the discharge hole 14 so as to be obtained by a feeding assembly;
In order to position the copper pipe downwards when the copper pipe is transferred from the discharging hole 14 to the feeding component, the lower limiting structure is a limiting plate 37, the limiting plate 37 is fixedly connected to the left wall of the upright post 3 and is positioned below the lower cover 10, the limiting plate 37 is a polytetrafluoroethylene plate, the length of the copper pipe is standard, when the copper pipe falls down, the copper pipe is positioned downwards through the limiting plate 37, the horizontal position of the copper pipe is ensured to be consistent when the copper pipe is clamped by the feeding component each time, and the operation precision is improved;
In order to facilitate the horizontal translation of the pipe clamping rod, the feeding assembly comprises a driving box 17, a lifting driving structure, a first sliding table 21, a horizontal translation driving structure, a second sliding table 24, a pipe clamping rod for clamping a copper pipe and transferring the copper pipe from the feeding assembly to the automatic chuck 5 and a clamping driving structure for driving the pipe clamping rod to act, the clamping driving structure is connected with the pipe clamping rod through two groups of clamping blocks 27, the horizontal translation driving structure comprises a second air cylinder 25, two groups of sliding blocks 22 and two groups of second guide rods 23, the second air cylinder 25 is fixedly connected to the upper wall of the first sliding table 21 and is positioned at the front side of the driving box 17, a second air cylinder 25 extending shaft is arranged at the left end of the second air cylinder 25, an extending shaft extension line of the second air cylinder 25 is perpendicular to the extending shaft extension line of the automatic chuck 5, the second sliding table 24 is fixedly connected to the end of the second air cylinder 25, the two groups of sliding blocks 22 are fixedly connected to the upper wall of the first sliding table 21 and are respectively positioned at the front side and back side of the second air cylinder 25, the two groups of second guide rods 23 are fixedly connected to the right wall of the second sliding table 24 and respectively opposite to the two groups of sliding blocks 22, the two groups of sliding blocks 22 extend from the left side to the lower end of the second sliding table 22 and are respectively, and can extend to the automatic chuck 5 through the two groups of sliding tables 22 and the two groups of sliding guide rods are extended from the second sliding table 22 to the left side to the upper end of the sliding table 22 and the sliding table to the upper end of the automatic chuck to move back and left and to the automatic chuck 22;
In order to facilitate the clamping action on the copper pipe, the clamping driving structure is a finger cylinder 26, the finger cylinder 26 is fixedly connected to the upper wall of the second sliding table 24, two groups of clamping fingers capable of opening and closing back and forth are arranged at the left end of the finger cylinder 26, two groups of clamping blocks 27 are respectively and fixedly connected to opposite sides of the two groups of clamping fingers and are positioned at one end of the clamping fingers away from the finger cylinder 26, and when the two groups of clamping fingers on the finger cylinder 26 are opened, the two groups of semicircular rods 28 can be driven to realize the action of opening and closing so as to realize the clamping action;
In order to realize the clamping of the copper pipe and the guiding function when the copper pipe is inserted into the automatic clamping head 5 and the eye template 16, the pipe clamping rod comprises two groups of semicircular rods 28, the two groups of semicircular rods 28 are respectively and fixedly connected between the opposite sides of the two groups of clamping blocks 27, clamping holes 35 which are penetrated vertically are commonly arranged between the opposite sides of the two groups of semicircular rods 28, a group of semicircular sleeves 32 are slidably connected at the upper end and the lower end of the semicircular rods 28, grooves 29 are respectively arranged at the connecting positions of the circumferential outer walls of the two groups of semicircular rods 28 and the opposite sides of the two groups of semicircular rods 28, two groups of convex ribs 36 are arranged at the positions of the semicircular sleeves 32 corresponding to the grooves 29, the semicircular sleeves 32 are slidably connected with the semicircular rods 28 through the convex ribs 36 and the grooves 29, two groups of mounting rods 30 are fixedly connected to the upper wall and the lower wall of the clamping block 27, one ends of the four groups of mounting rods 30, which are far away from the clamping blocks 27, respectively penetrate through the inner walls of the two groups of semicircular sleeves 32, the end of the installation rod 30 extending into the semicircular sleeve 32 is provided with a limiting head for preventing the semicircular sleeve 32 from falling off from the installation rod 30, springs 31 are sleeved on the outer wall of the installation rod 30 and positioned between the clamping blocks 27 and the opposite sides of the semicircular sleeve 32, one end of the semicircular sleeve 32 far away from the clamping blocks 27 is fixedly connected with wear-resisting blocks 33, two groups of wear-resisting blocks 33 positioned at the same end of the four groups of wear-resisting blocks 33 form a group of wear-resisting pads, the inner wall of each wear-resisting pad is provided with a guide hole 34 which penetrates up and down, the inner diameter of each guide hole 34 is one point twice the outer diameter of a copper pipe, the inner diameter of each clamping hole 35 is nine times the zero point of the outer diameter of the copper pipe, when the clamping rod pipe is positioned below the feeding assembly, a finger cylinder 26 drives the two groups of semicircular rods 28 to separate a certain distance, the copper pipe falls from the discharging hole 14 and then enters the guide holes 34 and the clamping holes 35, the finger cylinder 26 drives the two groups of semicircular rods 28 to be combined to realize clamping of the copper pipe, the upper end and the lower end of the copper pipe are respectively guided through the guide holes 34 in the two groups of wear-resistant pads and are in a sliding state with the wear-resistant pads, the copper pipe is clamped and then moves to the lower side of the automatic chuck 5, the wear-resistant pads can be extruded when the automatic chuck 5 moves downwards through the driving assembly, so that the semicircular sleeve 32 above the clamping rod pipe slides downwards, the copper pipe is gradually exposed, and the copper pipe is more accurate when entering the automatic chuck 5;
In order to realize the action of inserting the copper pipe into the eye template 16, the lifting driving structure comprises a first air cylinder 19 and two groups of first guide rods 18, the right wall of the upright post 3 is fixedly connected with a side fixing plate 15, a driving box 17 is fixedly connected to one side of the side fixing plate 15 far away from the upright post 3, a chute 20 is arranged on the front wall of the driving box 17 and on one side far away from the side fixing plate 15, a first sliding table 21 is in penetrating sliding connection with the inner side wall of the chute 20, the two groups of first guide rods 18 are in front-back distributed sequential fixed connection with the upper wall of the first sliding table 21 and are all positioned in the driving box 17, one ends of the two groups of first guide rods 18 far away from the first sliding table 21 penetrate through the upper wall of the driving box 17 and are all in sliding connection with the same, the first air cylinder 19 is fixedly connected to the upper wall of the driving box 17 and is positioned between two groups of first guide rods 18, the end part of the first air cylinder 19 extending out of the shaft penetrates through the upper wall of the driving box 17 and extends into the driving box 17, one end of the first air cylinder 19 extending out of the shaft and extending into the driving box 17 is fixedly connected with the upper wall of the first sliding table 21, after the upper end of a copper pipe is inserted into the automatic chuck 5, the automatic chuck 5 starts clamping action, after the automatic chuck 5 clamps, the first air cylinder 19 starts, and synchronously acts with the driving assembly to drive the clamping rod pipe and the copper pipe to move towards the eye template 16, and the copper pipe is gradually driven to be inserted into a through hole in the eye template 16;
According to the drilling method of the drilling device for hard alloy processing, the drilling method comprises the following steps:
S1, preparing feeding, namely clamping a hard alloy material to be drilled on the upper wall of a movable workbench, and placing copper pipes into a plurality of groups of storage holes 13 with current positions not aligned with a discharge hole 14 up and down through a plurality of groups of feeding holes 12;
S2, copper pipe feeding, wherein a second air cylinder 25 stretches out to drive a pipe clamping rod to move leftwards until a clamping hole 35 in the pipe clamping rod is aligned with a discharge hole 14 up and down, at the moment, two groups of wear-resisting pads are respectively connected with the lower wall of a lower cover 10 and the upper wall of a limiting plate 37 in a sliding manner, a finger air cylinder 26 acts to drive two groups of semicircular rods 28 to be separated until the clamping hole 35 is separated to allow copper pipes to pass through, a driving motor 11 starts clockwise rotation under top view projection to drive an upper cover 9 and a storage barrel 8 to rotate until a plurality of groups of storage holes 13 displace a hole distance along a pointer under top view projection, copper pipes in the storage holes 13 opposite to the upper and lower sides of the discharge hole 14 drop downwards into the clamping hole 35 through dead weight, and then the finger air cylinder 26 acts to drive the two groups of semicircular rods 28 to be combined, and the copper pipes are clamped through the clamping hole 35;
S3, feeding the copper pipe, after the pipe clamping rod clamps the copper pipe, retracting the second air cylinder 25 until the clamping hole 35 is opposite to the axis of the automatic clamping head 5 up and down, opening the clamping head by the automatic clamping head 5 and driving the clamping head to move downwards through the driving component, after contacting with the wear-resisting pad positioned at the upper end of the pipe clamping rod, driving the corresponding two groups of semicircular rings 32 to move downwards along the outer wall of the pipe clamping rod through extruding the wear-resisting pad, gradually exposing the upper end of the copper pipe from the upper guide hole 34, continuously guiding through the guide hole 34 and continuously descending the automatic clamping head 5, inserting the upper end of the copper pipe into the automatic clamping head 5 until the lower wall of the wear-resisting pad positioned at the upper end of the pipe clamping rod contacts the pipe clamping rod, starting the clamping action by the automatic clamping head 5, starting the first air cylinder 19 and synchronously acting with the driving component, the automatic clamping head 5 and the pipe clamping rod are driven to synchronously move downwards, in the downwards moving process, the wear-resisting pad at the lower end of the pipe clamping rod is firstly contacted with the eye template 16, the wear-resisting pad at the lower end of the pipe clamping rod is no longer moved by the limit of the eye template 16, the copper pipe is clamped by the pipe clamping rod and the automatic clamping head 5 to continuously move downwards and is guided by the guide hole 34 in the wear-resisting pad at the lower end, so that the copper pipe is inserted into the eye template hole at the inner wall of the eye template 16, after the lower end of the copper pipe penetrates out of the eye template hole, the driving assembly and the first air cylinder 19 stop acting, the finger air cylinder 26 drives the two groups of semicircular rods 28 to separate, after the maximum opening stroke of the finger air cylinder 26 is separated, the second air cylinder 25 stretches out to retract, and the two groups of separated semicircular rods 28 are driven to move rightwards until the complete retraction state of the second air cylinder 25 stretches out shaft is restored;
S4, drilling, namely driving the hard alloy material to be drilled to displace through a movable workbench, enabling the coordinate to be drilled to be aligned with the axis of the automatic chuck 5 up and down, starting the power supply of the machining machine head 4, the rotation of the automatic chuck 5 and the water supply of the high-pressure water pump, driving the electrified copper pipe to rotate by a driving assembly and simultaneously downwards moving, and performing electric spark drilling on the hard alloy material to be drilled;
S5, replacing the copper pipe, when the copper pipe in the automatic chuck 5 is consumed to a length which cannot be continuously processed, driving the automatic chuck 5 to ascend by the driving component, driving the pipe clamping rod to move below the automatic chuck 5 by the second air cylinder 25, clamping the old copper pipe, and then pulling out the old copper pipe, and repeating S2, S3, S4 and S5 until the processing of the holes is completed.
Working principle: in this embodiment, the machine table 1, the moving table, the water baffle 2, the high-pressure water pump, the upright post 3, and the processing machine head 4 are consistent with the existing electric spark perforating machine, and further comprises a control device for controlling, a position sensor for confirming the accuracy of each action position, and a material sensor for confirming whether the material is in place, which are not shown in the figure, and the control device and the sensor are consistent with the structure and the function in the prior art, if the original equipment is modified, only the feeding component, and the lower limit structure are needed to be added to the left and right side walls of the upright post 3, and in preparation, copper pipes are added into the material storage hole 13 through the feeding hole 12, the material storage hole 13 can be a hundred groups, the production requirement of one shift can be satisfied, the driving motor 11 can be a servo motor, the upper cover 9 and the material storage barrel 8 are driven to rotate by one stroke according to each start of the control device, the copper pipe in the stock hole 13 is rotated to the upper part of the discharge hole 14, so that the copper pipe falls from the stock hole 13 and the discharge hole 14 to be obtained by the feeding assembly, the length of the copper pipe is the standard length, when the copper pipe falls, the copper pipe is positioned downwards through the limiting plate 37, the horizontal position of the copper pipe is ensured to be consistent when the copper pipe is clamped by the feeding assembly each time, the operation precision is improved, the two groups of semicircular rods 28 can be driven to be separated and folded when two groups of clamping fingers on the finger cylinder 26 are opened, the clamping action is realized, the inner diameter of the clamping hole 35 is nine times of the outer diameter of the copper pipe, when the clamping rod pipe is positioned below the feeding assembly, the finger cylinder 26 drives the two groups of semicircular rods 28 to be separated by a certain distance, the copper pipe falls from the discharge hole 14 and then enters the guide hole 34 and the clamping hole 35, the two groups of semicircular rods 28 are driven to be combined by the finger cylinder 26, the copper pipe is clamped, the upper end and the lower end of the copper pipe are respectively guided through the guide holes 34 in the two groups of wear-resistant pads, the copper pipe and the wear-resistant pads are in a sliding state, the copper pipe is clamped and then moves to the lower side of the automatic clamping head 5, the wear-resistant pads can be extruded when the automatic clamping head 5 moves downwards through the driving component, the semicircular ring sleeve 32 above the clamping rod pipe can slide downwards, the copper pipe is gradually exposed, the copper pipe is enabled to enter the automatic clamping head 5 more accurately, after the upper end of the copper pipe is inserted into the automatic clamping head 5, the automatic clamping head 5 starts a clamping action, after the automatic clamping head 5 clamps, the first cylinder 19 starts to synchronously act with the driving component, the clamping rod pipe and the copper pipe are driven to move towards the eye template 16, and the copper pipe is gradually driven to be inserted into the through hole in the eye template 16.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
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| CN118989485B (en) | 2025-03-07 |
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