CN115213503B - Wire cutting equipment with grinding process - Google Patents
Wire cutting equipment with grinding process Download PDFInfo
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- CN115213503B CN115213503B CN202211141050.2A CN202211141050A CN115213503B CN 115213503 B CN115213503 B CN 115213503B CN 202211141050 A CN202211141050 A CN 202211141050A CN 115213503 B CN115213503 B CN 115213503B
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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
- B23H5/00—Combined machining
- B23H5/04—Electrical discharge machining combined with mechanical working
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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 relates to the technical field of metal processing, in particular to a linear cutting device with a grinding process. A linear cutting device with a grinding process comprises a frame, a clamping part, a linear cutting part and a grinding part; clamping part, line cutting portion, controller and the portion of polishing all set up in the frame, and the clamping part is used for fixed work piece, and line cutting portion includes line cutting head and a actuating mechanism, and line cutting head is used for cutting the work piece. The grinding part comprises a clamping jaw assembly, a second driving mechanism and a sand coating mechanism. According to the wire cutting equipment with the grinding process, the grinding part is arranged, cut pieces of the cut workpiece are subjected to sand blasting and then are ground up and down, each part of the cut can be ground, the operation is convenient, and the grinding effect is good. And can cut while grinding, need not to set up extra process and handle notched deckle edge, work efficiency is higher.
Description
Technical Field
The invention relates to the technical field of metal processing, in particular to a linear cutting device with a grinding process.
Background
When a workpiece is machined, a cutting device is often required to be utilized for cutting, burrs and burrs are left on a cutting surface due to some reasons during machining, and the cut finished product brings flaws, so that the requirements of users cannot be met. Traditional mode of eliminating burr and deckle edge does, increases one other process again after the work piece cutting, once polishes those deckle edges, leads to the problem that production efficiency reduces and manufacturing cost increases.
The invention discloses a wire cutting device with a grinding process, which is provided with a grinding module, and the cutting device grinds a machined surface of a machined workpiece, and has the problems that the moving track of a grinding mechanism is horizontal during grinding, only two vertical machined surfaces of the workpiece can be ground, and all the vertical machined surfaces cannot be ground, so that the grinding effect is poor.
Disclosure of Invention
After the search, the inventor finds that the wire cutting method is often adopted when the workpiece is cut, and the wire cutting is a processing method for cutting a part by using a moving metal wire (a molybdenum wire, a copper wire or an alloy wire) as an electrode wire and melting or vaporizing metal to form a cutting seam by pulse spark discharge between the electrode wire and the workpiece under high temperature. Commercially available metal wires, such as molybdenum wire, have a diameter of 0.08mm to 0.22mm; theoretically, the single side of the spark position is 0.01mm, the spark position is larger during actual processing, generally the single side is 0.01 mm-0.03 mm, and the width of the gap after wire cutting processing = the diameter of the molybdenum wire + the spark position. Therefore, the gravel with corresponding size is selected according to the width of the gap after cutting, the gravel is coated on the peripheral wall of the cut workpiece fragment, and then the workpiece fragment with the gravel is driven to return to the cut position and move up and down to polish the cut. The invention provides a wire cutting device with a grinding process, which aims to solve the problem that the cut is rough when the existing wire cutting device is used for cutting a workpiece.
The invention relates to a linear cutting device with a grinding process, which adopts the following technical scheme:
a linear cutting device with a grinding process is used for linear cutting of a workpiece and comprises a machine frame, a clamping part, a linear cutting part and a polishing part; the clamping part, the linear cutting part, the controller and the polishing part are all arranged on the rack, the clamping part is used for fixing a workpiece, the linear cutting part comprises a linear cutting head and a first driving mechanism, the linear cutting head is used for cutting the workpiece, and the first driving mechanism is used for driving the linear cutting head to move in the horizontal direction; the controller is used for controlling the moving track of the wire cutting part by controlling the first driving mechanism; the grinding part comprises a clamping jaw assembly, a second driving mechanism and a sand coating mechanism; the clamping jaw assembly is used for clamping the workpiece fragments cut off by the linear cutting part, and the second driving mechanism is used for driving the clamping jaw assembly to move; the sandblast mechanism includes the container, is provided with two storehouses on the container, and two storehouses are the first storehouse of splendid attire glue solution and the second storehouse of installing sandblast mechanism respectively, the second actuating mechanism is still controlled to the controller, and through controlling second actuating mechanism after the line cutting head cuts the work piece, make the work piece fragment that clamping jaw subassembly centre gripping was cut off, later make clamping jaw subassembly drive the work piece fragment that cuts off submergence glue solution earlier in, take out the entering second storehouse from the glue solution again, sandblast mechanism on the second storehouse sandblasts the work piece fragment that cuts off, drives the work piece fragment at last again and gets back to the position that is cut off and reciprocate, polishes the incision face on the work piece.
Further, the clamping jaw assembly comprises a hydraulic cylinder, a height adjusting piece, a lower clamping head and an upper clamping head; the first driving mechanism is used for driving the hydraulic cylinder to move in the horizontal direction, and the height adjusting piece is used for driving the hydraulic cylinder to move in the vertical direction; the hydraulic cylinder comprises a cylinder body and a piston rod; a hydraulic cavity is arranged in the cylinder body, an opening is arranged below the hydraulic cavity, and the upper end of the piston rod is inserted into the opening and is in sealing sliding fit with the opening along the up-down direction; the lower chuck is fixedly arranged on the cylinder body through a connecting rod, the upper chuck is positioned above the lower chuck and is fixedly connected with the piston rod, and the controller also controls the distance of the height adjusting piece for driving the hydraulic cylinder to move in the vertical direction and controls the distance of the piston rod for moving relative to the cylinder body.
Further, the first driving mechanism is arranged on the side portion of the clamping portion and comprises a first driving assembly and a second driving assembly, and the first driving assembly comprises a first motor, a first guide rail, a first lead screw, a first sliding block and a first mounting plate; the first motor is fixedly arranged on the frame; the first guide rail is fixedly arranged on the rack and extends along a first direction, and the first lead screw is fixedly connected with an output shaft of the first motor and is arranged in parallel with the first guide rail; the first sliding block is arranged in a sliding manner along the first guide rail in a first direction, and a first threaded hole in screw transmission fit with the first lead screw is formed in the first sliding block; the first mounting plate is vertically arranged and is fixedly connected with the first sliding block.
The second driving assembly comprises a second motor, a second guide rail, a second lead screw, a second sliding block and a second mounting plate; the second motor is fixedly arranged on the first mounting plate, the second guide rail is fixedly arranged on one side, close to the clamping jaw mechanism, of the second mounting plate and extends along a second direction, and the first direction and the second direction are vertical to each other on a horizontal plane; the second lead screw is fixedly connected with an output shaft of the second motor and is arranged in parallel with the second guide rail; the second sliding block is arranged in a sliding manner along the second guide rail in a second direction, and a second threaded hole in screw transmission fit with the second lead screw is formed in the second sliding block; the second mounting plate is fixedly arranged below the second sliding block; the wire cutting head of the wire cutting part comprises a fixing frame and a metal wire, the fixing frame is fixedly installed on the second installation plate, two ends of the metal wire are fixedly connected with the fixing frame, when the wire cutting part performs wire cutting on a workpiece, the metal wire is used as an electrode wire, pulse electric spark discharges between the electrode wire and the workpiece, high temperature is generated, metal is melted or vaporized, and then the workpiece is cut.
Further, a second driving mechanism is arranged on the upper side of the clamping jaw mechanism, the second driving mechanism comprises a third driving assembly and a fourth driving assembly, and the third driving assembly comprises a third motor, a third guide rail, a third lead screw, a third sliding block and a third mounting plate; the third motor is fixedly arranged on the rack; the third guide rail is fixedly arranged on the rack and extends along the second direction, and the third lead screw is fixedly connected with an output shaft of the third motor and is arranged in parallel with the third guide rail; the third sliding block is arranged along the third guide rail in a sliding manner in the second direction, and a third threaded hole in screw transmission fit with the third lead screw is formed in the third sliding block; the third mounting panel level sets up, and with third slider fixed connection.
The fourth driving assembly comprises a fourth motor, a fourth guide rail, a fourth lead screw, a fourth sliding block and a fourth mounting plate; the fourth motor is fixedly arranged on the third mounting plate, and the fourth guide rail is fixedly arranged on the lower surface of the third mounting plate and extends along the first direction; the fourth screw is fixedly connected with an output shaft of a fourth motor and is arranged in parallel with the fourth guide rail; the fourth sliding block is arranged in a sliding manner along a fourth guide rail in the first direction, and a fourth threaded hole in screw transmission fit with a fourth lead screw is formed in the fourth sliding block; the fourth mounting plate is fixedly arranged below the fourth sliding block; the height adjusting piece comprises an electric telescopic cylinder, the electric telescopic cylinder is arranged in a telescopic mode in the vertical direction, the upper end of the electric telescopic cylinder is fixedly connected with the fourth mounting plate, the lower end of the electric telescopic cylinder is fixedly connected with a cylinder body of the hydraulic cylinder, and the controller further controls the electric telescopic cylinder to extend or shorten.
Furthermore, the clamping part comprises a fixing plate, a supporting cylinder, an arc-shaped connecting plate, a clamping jaw and a transmission assembly. The fixed plate is fixedly arranged on the rack, the axis of the supporting cylinder is in the vertical direction, the supporting cylinder is rotatably arranged above the fixed plate around the axis of the supporting cylinder, and the controller also controls the supporting cylinder to rotate around the axis of the supporting cylinder; the arc-shaped connecting plates are uniformly distributed around the circumference of the supporting cylinder and are fixedly connected with the supporting cylinder, and a limiting track extending along the radial direction of the supporting cylinder is formed between every two adjacent arc-shaped connecting plates; the clamping jaws are multiple, and each clamping jaw is arranged in a sliding manner along the limiting track in the radial direction of the supporting cylinder; the transmission assembly is used for driving the clamping jaw to slide along the limiting rail, so that the clamping jaw clamps the workpiece.
Further, the transmission assembly comprises a driving conical disc, a bevel gear and an adjusting part; the driving cone disc and the supporting cylinder are coaxially arranged, the driving cone disc is rotatably arranged in the supporting cylinder around the axis of the driving cone disc, the driving cone disc is provided with a spiral protrusion, the lower end face of each clamping jaw is provided with a spiral groove in sliding fit with the spiral protrusion, and when the driving cone disc rotates around the axis of the driving cone disc, the clamping jaws slide in the radial direction of the supporting cylinder along the guide rail under the limitation of the spiral grooves, the spiral protrusions and the limiting rails; the outer peripheral wall of the driving conical disc is provided with a first conical gear ring which expands outwards and downwards, the axis of the bevel gear extends along the radial direction of the supporting cylinder, the bevel gear is rotatably arranged on the inner peripheral wall of the supporting cylinder around the axis of the bevel gear, and the outer peripheral wall of the bevel gear is provided with a second conical gear ring which is meshed with the first conical gear ring; the side wall of the supporting cylinder is provided with a through hole, the middle part of the bevel gear is provided with a limiting groove, the wrench is detachably arranged on the supporting cylinder and comprises a holding rod and a rotating rod which are fixedly connected, the holding rod is fixedly arranged on the rotating plate, one end of the rotating rod can be rotatably arranged in the through hole and inserted into the limiting groove, and when the supporting rod is inserted into the limiting groove, the rotating rod rotates to drive the bevel gear to rotate; the holding rod is fixedly arranged at the other end of the rotating rod.
Furthermore, the sand blasting mechanism is an automatic sand blasting machine, the automatic sand blasting machine is provided with a plurality of sand blasting ports, and the plurality of sand blasting ports face to the middle part of the second bin; the controller also controls the opening and closing of the automatic sand blasting machine.
Furthermore, the rack is also provided with a mounting groove; a supporting table is fixedly installed in the installation groove, the fixing plate is fixedly installed on the supporting table, and water is installed in the installation groove.
Furthermore, a limiting block is fixedly mounted on the upper chuck, the limiting block is slidably sleeved on the connecting rod along the upper direction and the lower direction, the limiting block is fixedly connected with the piston rod, and the upper chuck is fixedly connected with the limiting block.
The beneficial effects of the invention are: according to the wire cutting equipment with the grinding process, the grinding part is arranged, cut pieces of the cut workpiece are subjected to sand blasting and then are ground up and down, each part of the cut can be ground, the operation is convenient, and the grinding effect is good. Through setting up control part, line cutting portion and the portion of polishing, can accomplish cutting and grinding cooperation, need not to set up extra process and handle notched deckle edge, work efficiency is higher. And because the grinding piece is taken out from the notch of the workpiece, the grinding piece can adapt to the shape of the grinding opening, and the matching degree of the grinding surface is high.
The wire cutting equipment with the grinding process can be used for wire cutting of workpieces with different thicknesses, and is wide in application range.
According to the linear cutting equipment with the grinding process, the controller is arranged, so that the amplitude of the electric telescopic cylinder can be adjusted according to the thickness of the part to be cut of the workpiece, the amplitude of the electric telescopic cylinder and the thickness of the part to be cut of the workpiece correspond to a fixed proportion, invalid work or excessive work of a fourth motor is avoided, and the workpiece is prevented from being damaged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a wire cutting apparatus having a grinding process according to the present invention;
FIG. 2 is a schematic view of a first drive mechanism and a jaw assembly of an embodiment of a wire cutting apparatus having a grinding process of the present invention;
fig. 3 is a schematic structural view of a second driving mechanism of an embodiment of a wire cutting apparatus having a grinding process according to the present invention;
FIG. 4 is a front view of FIG. 3;
fig. 5 is an exploded view of a structure of a clamping part of an embodiment of a wire cutting apparatus having a grinding process according to the present invention;
FIG. 6 is an exploded view of a blasting mechanism of an embodiment of a wire cutting apparatus having a grinding process according to the present invention
In the figure: 110. a frame; 120. a controller; 200. a second drive mechanism; 201. a third motor; 202. a third lead screw; 203. a third guide rail; 204. a third slider; 205. a fourth lead screw; 206. a fourth guide rail; 207. a fourth slider; 208. a fourth motor; 210. a third mounting plate; 211. a fourth mounting plate; 300. a jaw assembly; 301. an electric telescopic cylinder; 303. a lower chuck; 304. an upper chuck; 305. a hydraulic cylinder; 306. a piston rod; 307. a cylinder body; 308. a connecting rod; 309. a limiting block; 400. a first drive mechanism; 401. a first motor; 402. a first lead screw; 403. a first guide rail; 404. a first slider; 405. a second lead screw; 406. a second guide rail; 407. a second slider; 408. a second motor; 409. a first mounting plate; 410. a second mounting plate; 500. a fixing frame; 501. a metal wire; 600. a clamping portion; 601. a claw; 602. driving the conical disc; 612. a spiral protrusion; 603. a bevel gear; 604. a support cylinder; 605. a fixing plate; 606. a wrench; 607. an arc-shaped connecting plate; 608. a limiting track; 700. a workpiece; 702. breaking the workpiece; 810. a container; 811. a first bin; 812. a second bin; 820. a sand blasting mechanism; 821. and (4) sandblasting.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
An embodiment of a wire cutting apparatus having a grinding process according to the present invention, as shown in fig. 1 to 6, is a wire cutting apparatus having a grinding process for wire-cutting a workpiece 700, including a frame 110, a clamping part 600, a wire cutting part, and a grinding part. The frame 110 is fixedly arranged, the clamping portion 600, the linear cutting portion, the controller 120 and the polishing portion are all arranged on the frame 110, the clamping portion 600 is used for fixing the workpiece 700, the linear cutting portion comprises a linear cutting head and a first driving mechanism 400, the linear cutting head is used for cutting the workpiece 700, and the first driving mechanism 400 is used for driving the linear cutting head to move in the horizontal direction. The controller 120 is configured to control the movement locus of the wire cutting portion by controlling the first driving mechanism 400, thereby cutting various shapes into the workpiece 700. The grinding section includes a gripper assembly 300, a second drive mechanism 200, and a blasting mechanism 820. The jaw assembly 300 is used to grip the workpiece pieces 702 that are cut off by the wire cutting section. The second driving mechanism 200 is used for driving the clamping jaw assembly 300 to move. The sand blasting mechanism 820 comprises a container 810, two bins are arranged on the container 810, the two bins are respectively a first bin 811 containing glue and a second bin 812 provided with the sand blasting mechanism 820, the controller 120 further controls the second driving mechanism 200, when the wire cutting head cuts the workpiece 700, the clamping jaw assembly 300 is enabled to clamp the cut workpiece fragments 702 through controlling the second driving mechanism 200, then the clamping jaw assembly 300 drives the cut workpiece fragments 702 to be immersed in the glue, then the cut workpiece fragments 702 are taken out from the glue and enter the second bin 812, the sand blasting mechanism 820 on the second bin 812 performs sand blasting on the cut workpiece fragments 702, and finally the workpiece fragments 702 are driven to return to the cut position and move up and down to polish the cut surface on the workpiece 700. Because the cut is formed during the wire cutting, the cut workpiece fragments 702 are in clearance fit with the cut, and the cut workpiece fragments 702 can return to the cut again after being stained with glue solution and sprayed with sand, so that the cut can be polished up and down.
In this embodiment, the jaw assembly 300 includes a hydraulic cylinder 305, a height adjuster, a lower clamp 303, and an upper clamp 304. The second driving mechanism 200 is used for driving the hydraulic cylinder 305 to move in the horizontal direction, and the height adjusting member is used for driving the hydraulic cylinder 305 to move in the vertical direction. The hydraulic cylinder 305 includes a cylinder 307 and a piston rod 306. The cylinder 307 has a hydraulic chamber therein, an opening is provided below the hydraulic chamber, and the upper end of the piston rod 306 is inserted into the opening and is in sealing sliding fit with the hydraulic cylinder 305 in the up-down direction. The lower clamping head 303 is fixedly arranged on the cylinder body 307 through a connecting rod 308, the upper clamping head 304 is positioned above the lower clamping head 303 and is fixedly connected with the piston rod 306, the upper clamping head 304 and the lower clamping head 303 clamp fragments 702 of a workpiece together when approaching each other, the controller 120 also controls the distance of the height adjusting piece driving the hydraulic cylinder 305 to move in the up-and-down direction and the distance of the piston rod 306 to move relative to the cylinder body 307, and the controller 120 controls the stretching amount of the height adjusting piece and the moving distance of the piston rod 306 relative to the cylinder body 307 to enable the upper clamping head 304 and the lower clamping head 303 to clamp the cut fragments each time the workpiece 700 is cut.
In other embodiments of the present invention, the controller 120 may also control the clamping jaw assembly 300 to drive one cut workpiece fragment 702 to grind up and down multiple cuts, which saves cost.
In the present embodiment, the first driving mechanism 400 is disposed at a side portion of the clamping portion 600, and the first driving mechanism 400 includes a first driving assembly and a second driving assembly. The first drive assembly includes a first guide rail 403, a first motor 401, a first lead screw 402, a first slider 404, and a first mounting plate 409. The first guide rail 403 is fixedly mounted to the frame 110 and extends in a first direction. The first motor 401 is fixedly mounted to the frame 110, as shown in fig. 1 and 4, the first direction is a front-back direction, the first motor 401 is located at the right side of the clamping mechanism, and the first lead screw 402 is fixedly connected to an output shaft of the first motor 401 and is parallel to the first guide rail 403. The first slider 404 is slidably disposed along the first guide rail 403 in the front-rear direction, and a first threaded hole that is in screw-drive engagement with the first lead screw 402 is provided in the first slider 404. The first mounting plate 409 is vertically disposed and fixedly connected to the first sliding block 404. When the first motor 401 works, the output shaft drives the first lead screw 402 to rotate, and when the first lead screw 402 rotates, the first sliding block 404 slides along the front-back direction under the limitation of the first threaded hole, the first lead screw 402 and the first guide rail 403.
The second drive assembly includes a second motor 408, a second rail 406, a second lead screw 405, a second slide 407, and a second mounting plate 410. The second motor 408 is fixedly mounted to the first mounting plate 409, and the second rail 406 is fixedly mounted to a side of the second mounting plate 410 adjacent to the jaw mechanism and extends in a second direction, which is a left-right direction, as shown in fig. 1 and 3. The second lead screw 405 is fixedly connected to an output shaft of the second motor 408 and is disposed parallel to the second guide rail 406. The second slider 407 is slidably disposed along the second guide rail 406 in the left-right direction, and a second threaded hole that is screw-engaged with the second lead screw 405 is provided in the second slider 407. The second mounting plate 410 is fixedly mounted below the second slider 407; the wire cutting head of the wire cutting part includes a fixing frame 500 and a wire 501, and the fixing frame 500 is fixedly mounted on the second mounting plate 410. When the second motor 408 works, the second lead screw 405 is driven to rotate through the output shaft, and when the second lead screw 405 rotates, the second slider 407 slides in the left-right direction under the restriction of the second threaded hole, the second lead screw 405 and the second guide rail 406, so that the first driving mechanism 400 can drive the wire cutting part to move in each angle in the horizontal direction under the control of the controller 120. Both ends of the wire 501 are fixedly connected to the fixing frame 500, and when the workpiece 700 is linearly cut by the linear cutting portion, the wire 501 serves as a wire electrode, and pulse electric spark is discharged between the wire electrode and the workpiece 700 to generate high temperature to melt or vaporize the metal, thereby cutting the workpiece 700.
In this embodiment, the second driving mechanism 200 is disposed on the upper side of the clamping jaw mechanism, the second driving mechanism 200 includes a third driving component and a fourth driving component, and the third driving component includes a third motor 201, a third guide rail 203, a third lead screw 202, a third slider 204, and a third mounting plate 210. The third motor 201 is fixedly mounted to the frame 110. The third guide rail 203 is fixedly mounted on the frame 110 and extends in the left-right direction, and the third lead screw 202 is fixedly connected with an output shaft of the third motor 201 and is arranged in parallel with the third guide rail 203. The third slider 204 is slidably disposed along the third guide rail 203 in the left-right direction, a third threaded hole in screw transmission fit with the third lead screw 202 is formed in the third slider 204, the third lead screw 202 is driven to rotate by an output shaft when the third motor 201 works, and when the third lead screw 202 rotates, the third slider 204 slides in the left-right direction under the restriction of the third threaded hole, the third lead screw 202 and the third guide rail 203. The third mounting plate 210 is horizontally disposed and fixedly connected to the third sliding block 204.
The fourth drive assembly includes a fourth motor 208, a fourth guide rail 206, a fourth lead screw 205, a fourth slider 207, and a fourth mounting plate 211. The fourth motor 208 is fixedly mounted on the third mounting plate 210, and the fourth guide rail 206 is fixedly mounted on the lower surface of the third mounting plate 210 and extends in the front-rear direction; the fourth lead screw 205 is fixedly connected to an output shaft of the fourth motor 208 and is disposed parallel to the fourth rail 206. The fourth slider 207 is slidably disposed along the fourth rail 206 in the front-rear direction, and a fourth threaded hole that is threadedly engaged with the fourth lead screw 205 is provided in the fourth slider 207. When the fourth motor 208 works, the fourth lead screw 205 is driven to rotate by the output shaft, and when the fourth lead screw 205 rotates, the fourth slider 207 slides in the left-right direction under the restriction of the fourth threaded hole, the fourth lead screw 205 and the fourth guide rail 206. The fourth mounting plate 211 is fixedly mounted below the fourth slider 207, and then the second driving mechanism 200 can drive the fourth mounting plate 211 to move at various angles in the horizontal direction under the control of the controller 120. The height adjusting part comprises an electric telescopic cylinder 301, the electric telescopic cylinder 301 is arranged in a telescopic manner in the up-down direction, the telescopic length of the electric telescopic cylinder 301 can be adjusted according to the thickness of a part to be cut of the workpiece 700, the upper end of the electric telescopic cylinder 301 is fixedly connected with the fourth mounting plate 211, the lower end of the electric telescopic cylinder 301 is fixedly connected with a cylinder body 307 of the hydraulic cylinder 305, the controller 120 further controls the electric telescopic cylinder 301 to extend or shorten, the height adjusting part can drive the hydraulic cylinder 305 to move in the vertical direction under the control of the controller 120, the controller 120 can adjust the amplitude of the electric telescopic cylinder 301 according to the thickness of the part to be cut of the workpiece 700, the amplitude of the electric telescopic cylinder 301 and the thickness of the part to be cut of the workpiece 700 correspond to form a fixed proportion, and the fourth motor 208 is prevented from doing work ineffectively or doing work excessively.
In this embodiment, the clamping portion 600 includes a fixing plate 605, a support cylinder 604, an arc-shaped connecting plate 607, a jaw 601, and a transmission assembly. The fixed plate 605 is fixedly installed on the frame 110, the axis of the supporting cylinder 604 is in the vertical direction, and the supporting cylinder 604 is rotatably installed above the fixed plate 605 around its own axis. The arc connecting plates 607 are provided with a plurality of arc connecting plates 607, the arc connecting plates 607 are uniformly distributed around the circumference of the supporting cylinder 604 and are fixedly connected with the supporting cylinder 604, and a limiting track 608 extending along the radial direction of the supporting cylinder 604 is formed between every two adjacent arc connecting plates 607. The claws 601 are plural, and each of the claws 601 is slidably arranged along a limit rail 608 in a radial direction of the support cylinder 604. The transmission assembly is used for driving the jaws 601 to slide along the limiting tracks 608, so that the jaws 601 clamp the workpiece 700, and specifically, the controller 120 further controls the support cylinder 604 to rotate when the workpiece 700 is cut, so as to drive the workpiece 700 to rotate through the arc-shaped connecting plate 607 and the jaws 601.
In this embodiment, the transmission assembly includes a drive cone disc 602, a bevel gear 603, and an adjustment portion. The driving conical disc 602 and the supporting cylinder 604 are coaxially arranged, the driving conical disc 602 is rotatably mounted inside the supporting cylinder 604 around the axis of the driving conical disc 602, the driving conical disc 602 is provided with a spiral protrusion 612, the lower end face of each clamping jaw 601 is provided with a spiral groove in sliding fit with the spiral protrusion 612, and when the driving conical disc 602 rotates around the axis of the driving conical disc 602, the clamping jaws 601 slide in the radial direction of the supporting cylinder 604 along the guide rail under the limitation of the spiral groove, the spiral protrusion 612 and the limiting rail 608. The outer peripheral wall of the driving conical disc 602 is provided with a first conical gear ring which expands outwards and downwards, the axis of the bevel gear 603 extends along the radial direction of the supporting cylinder 604, the bevel gear 603 is rotatably mounted on the inner peripheral wall of the supporting cylinder 604 around the axis, and the outer peripheral wall of the bevel gear 603 is provided with a second conical gear ring which is meshed with the first conical gear ring. Be provided with the perforating hole on the lateral wall of a support section of thick bamboo 604, bevel gear 603's middle part is provided with the spacing groove, spanner 606 detachably sets up on a support section of thick bamboo 604, spanner 606 includes fixed connection's holding pole and dwang, holding pole fixed mounting is in the rotor plate, the one end rotatable mounting of dwang is in the perforating hole and insert the spacing inslot, and when the bracing piece inserted the spacing inslot the dwang rotates and drives bevel gear 603 and rotate, holding pole fixed mounting is in the other end of dwang. When the workpiece 700 needs to be clamped or disassembled, the wrench 606 is rotated, the wrench 606 drives the bevel gear 603 to rotate, the bevel gear 603 drives the driving conical disc 602 to rotate, the driving conical disc 602 drives the spiral protrusions 612 thereon to synchronously rotate when rotating, and when the spiral protrusions 612 rotate, the clamping jaws 601 slide in the radial direction of the supporting cylinder 604 along the limiting tracks 608 under the limitation of the spiral grooves, the spiral protrusions 612 and the limiting tracks 608 to clamp or release the workpiece 700.
In this embodiment, the blasting mechanism 820 is an automatic blasting machine having a plurality of blasting ports 821, and the plurality of blasting ports 821 face the middle of the second cabin 812. The controller 120 also controls the opening and closing of the automatic sandblasting machine. The controller 120 is disposed on the frame 110, and controls the opening and closing of the first motor 401, the second motor 408, the third motor 201, and the fourth motor 208, and the operation of the electric telescopic cylinder 301 and the support cylinder 604 through predetermined commands.
In this embodiment, the frame 110 is further provided with a mounting slot; a supporting table is fixedly installed in the installation groove, the fixing plate 605 is fixedly installed on the supporting table, water is installed in the installation groove, and due to pulse electric spark discharge between the wire electrode and the workpiece 700 during wire cutting work, high temperature is generated to melt or vaporize metal, and high temperature waste residues can be generated and fall into the installation groove to be cooled. Furthermore, a collecting bin is also installed on one side wall of the mounting groove and is used for collecting the waste workpiece fragments 702.
In this embodiment, the upper clamp 304 is fixedly provided with a limiting block 309, the limiting block 309 is slidably sleeved on the connecting rod 308 along the upper and lower directions, the limiting block 309 is fixedly connected with the piston rod 306, and the upper clamp 304 is fixedly connected with the limiting block 309 so as to increase the stability of the clamping jaw assembly 300. Further, in order to prevent the adjacent positions of the connecting rod 308 and the limiting block 309 from being stained with glue solution to affect the stability of the upper clamp 304 and the lower clamp 303, when the upper clamp 304 and the lower clamp 303 drive the workpiece fragments 702 to be stained with the glue solution, the joint of the connecting rod 308 and the limiting block 309 is located above the glue solution.
The working principle and the working method of the linear cutting equipment with the grinding process comprise the following steps:
first, the workpiece 700 is fixed to the holding portion 600, and the controller 120 controls the supporting cylinder 604 to intermittently rotate slowly in one direction about its axis. The controller 120 controls the first motor 401 and the second motor 408 to start and further adjust the moving track of the wire cutting head, so that the wire 501 cuts the workpiece 700 according to a preset track. When the wire 501 is about to be separated from the workpiece 700, the control unit controls the second transmission part, the electric telescopic cylinder 301 and the hydraulic cylinder 305 to enable the upper clamping head 304 and the lower clamping column to clamp the workpiece fragments 702 about to fall off. After the wire 501 is completely separated from the workpiece 700, the controller 120 continues to control the third motor 201 and the fourth motor 208 to start so that the wire 501 cuts the workpiece 700 according to the preset track. After the workpiece fragments 702 are completely clamped by the upper clamp head 304 and the lower clamp head 303, the controller 120 starts to control the third motor 201, the fourth motor 208 and the hydraulic cylinder 305 to work, so that the workpiece fragments 702 are driven by the upper clamp head 304 and the lower clamp head 303 to move into the first bin 811, the cut workpiece fragments 702 are driven by the clamp jaw assembly 300 to be immersed in the glue solution, then the workpiece fragments are taken out of the glue solution and enter the second bin 812, the sandblasting mechanism 820 on the second bin 812 is controlled by the controller 120 to start sandblasting the cut workpiece fragments 702, and after the glue solution is solidified, the workpiece fragments 702 are driven by the upper clamp head 304 and the lower clamp head 303 to return to the cut position and move up and down by controlling the second motor 408 and the third motor 201 by the controller 120 to polish the cut surfaces on the workpiece 700.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (9)
1. A wire cutting apparatus having a grinding process for wire cutting a workpiece, characterized in that: comprises a frame, a clamping part, a wire cutting part and a polishing part; the clamping part, the linear cutting part, the controller and the polishing part are all arranged on the rack, the clamping part is used for fixing a workpiece, the linear cutting part comprises a linear cutting head and a first driving mechanism, the linear cutting head is used for cutting the workpiece, and the first driving mechanism is used for driving the linear cutting head to move in the horizontal direction; the controller is used for controlling the moving track of the wire cutting part by controlling the first driving mechanism; the grinding part comprises a clamping jaw assembly, a second driving mechanism and a sand coating mechanism; the clamping jaw assembly is used for clamping the workpiece fragments cut off by the linear cutting part, and the second driving mechanism is used for driving the clamping jaw assembly to move; the sandblast mechanism includes the container, is provided with two storehouses on the container, and two storehouses are the first storehouse of splendid attire glue solution and the second storehouse of installing sandblast mechanism respectively, the second actuating mechanism is still controlled to the controller, and through controlling second actuating mechanism after the line cutting head cuts the work piece, make the work piece fragment that clamping jaw subassembly centre gripping was cut off, later make clamping jaw subassembly drive the work piece fragment that cuts off submergence glue solution earlier in, take out the entering second storehouse from the glue solution again, sandblast mechanism on the second storehouse sandblasts the work piece fragment that cuts off, drives the work piece fragment at last again and gets back to the position that is cut off and reciprocate, polishes the incision face on the work piece.
2. The wire cutting apparatus having a grinding process according to claim 1, wherein: the clamping jaw assembly comprises a hydraulic cylinder, a height adjusting piece, a lower clamping head and an upper clamping head; the second driving mechanism is used for driving the hydraulic cylinder to move in the horizontal direction, and the height adjusting piece is used for driving the hydraulic cylinder to move in the vertical direction; the hydraulic cylinder comprises a cylinder body and a piston rod; a hydraulic cavity is arranged in the cylinder body, an opening is arranged below the hydraulic cavity, and the upper end of the piston rod is inserted into the opening and is in sealing sliding fit with the opening along the up-down direction; the lower chuck is fixedly arranged on the cylinder body through a connecting rod, the upper chuck is positioned above the lower chuck and fixedly connected with the piston rod, and the controller also controls the distance of the height adjusting piece driving the hydraulic cylinder to move in the vertical direction and controls the distance of the piston rod moving relative to the cylinder body.
3. The wire cutting apparatus having a grinding process according to claim 2, wherein: the first driving mechanism is arranged on the side part of the clamping part and comprises a first driving assembly and a second driving assembly, and the first driving assembly comprises a first motor, a first guide rail, a first lead screw, a first sliding block and a first mounting plate; the first motor is fixedly arranged on the frame; the first guide rail is fixedly arranged on the rack and extends along a first direction, and the first lead screw is fixedly connected with an output shaft of the first motor and is arranged in parallel with the first guide rail; the first sliding block is arranged in a sliding manner along the first guide rail in a first direction, and a first threaded hole in screw transmission fit with the first lead screw is formed in the first sliding block; the first mounting plate is vertically arranged and fixedly connected with the first sliding block;
the second driving assembly comprises a second motor, a second guide rail, a second lead screw, a second sliding block and a second mounting plate; the second motor is fixedly arranged on the first mounting plate, the second guide rail is fixedly arranged on one side, close to the clamping jaw mechanism, of the second mounting plate and extends along a second direction, and the first direction and the second direction are vertical to each other on a horizontal plane; the second lead screw is fixedly connected with an output shaft of the second motor and is arranged in parallel with the second guide rail; the second sliding block is arranged along the second guide rail in a sliding manner in the second direction, and a second threaded hole in screw transmission fit with the second lead screw is formed in the second sliding block; the second mounting plate is fixedly arranged below the second sliding block; the wire cutting head of the wire cutting part comprises a fixing frame and a metal wire, the fixing frame is fixedly installed on the second installation plate, two ends of the metal wire are fixedly connected with the fixing frame, when the wire cutting part performs wire cutting on a workpiece, the metal wire is used as an electrode wire, pulse electric spark discharges between the electrode wire and the workpiece, high temperature is generated, metal is melted or vaporized, and then the workpiece is cut.
4. The wire cutting apparatus having a grinding process according to claim 3, wherein: the second driving mechanism is arranged on the upper side of the clamping jaw mechanism and comprises a third driving assembly and a fourth driving assembly, and the third driving assembly comprises a third motor, a third guide rail, a third lead screw, a third sliding block and a third mounting plate; the third motor is fixedly arranged on the frame; the third guide rail is fixedly arranged on the rack and extends along the second direction, and the third screw rod is fixedly connected with an output shaft of the third motor and is arranged in parallel with the third guide rail; the third sliding block is arranged along the third guide rail in a sliding manner in the second direction, and a third threaded hole in screw transmission fit with the third lead screw is formed in the third sliding block; the third mounting plate is horizontally arranged and is fixedly connected with the third sliding block;
the fourth driving assembly comprises a fourth motor, a fourth guide rail, a fourth lead screw, a fourth sliding block and a fourth mounting plate; the fourth motor is fixedly arranged on the third mounting plate, and the fourth guide rail is fixedly arranged on the lower surface of the third mounting plate and extends along the first direction; the fourth screw is fixedly connected with an output shaft of a fourth motor and is arranged in parallel with the fourth guide rail; the fourth sliding block is arranged in a sliding manner along a fourth guide rail in the first direction, and a fourth threaded hole in screw transmission fit with a fourth lead screw is formed in the fourth sliding block; the fourth mounting plate is fixedly arranged below the fourth sliding block; the height adjusting piece comprises an electric telescopic cylinder, the electric telescopic cylinder is arranged in a telescopic mode in the vertical direction, the upper end of the electric telescopic cylinder is fixedly connected with the fourth mounting plate, the lower end of the electric telescopic cylinder is fixedly connected with a cylinder body of the hydraulic cylinder, and the controller further controls the electric telescopic cylinder to extend or shorten.
5. The wire cutting apparatus having a grinding process according to claim 1, wherein: the clamping part comprises a fixed plate, a supporting cylinder, an arc-shaped connecting plate, a clamping jaw and a transmission assembly; the fixed plate is fixedly arranged on the rack, the axis of the supporting cylinder is in the vertical direction, the supporting cylinder is rotatably arranged above the fixed plate around the axis of the supporting cylinder, and the controller also controls the supporting cylinder to rotate around the axis of the supporting cylinder; the arc-shaped connecting plates are uniformly distributed around the circumference of the supporting cylinder and are fixedly connected with the supporting cylinder, and a limiting track extending along the radial direction of the supporting cylinder is formed between every two adjacent arc-shaped connecting plates; the clamping jaws are multiple, and each clamping jaw is arranged in a sliding manner along the limiting track in the radial direction of the supporting cylinder; the transmission assembly is used for driving the clamping jaws to slide along the limiting rails, so that the clamping jaws clamp workpieces.
6. The wire cutting apparatus having a grinding process according to claim 5, wherein: the transmission assembly comprises a driving conical disc, a bevel gear and an adjusting part; the driving cone disc and the supporting cylinder are coaxially arranged, the driving cone disc is rotatably arranged in the supporting cylinder around the axis of the driving cone disc, the driving cone disc is provided with a spiral protrusion, the lower end face of each clamping jaw is provided with a spiral groove in sliding fit with the spiral protrusion, and when the driving cone disc rotates around the axis of the driving cone disc, the clamping jaws slide in the radial direction of the supporting cylinder along the guide rail under the limitation of the spiral grooves, the spiral protrusions and the limiting rails; the outer peripheral wall of the driving conical disc is provided with a first conical gear ring which expands outwards and downwards, the axis of the bevel gear extends along the radial direction of the supporting cylinder, the bevel gear is rotatably arranged on the inner peripheral wall of the supporting cylinder around the axis of the bevel gear, and the outer peripheral wall of the bevel gear is provided with a second conical gear ring which is meshed with the first conical gear ring; the side wall of the supporting cylinder is provided with a through hole, the middle part of the bevel gear is provided with a limiting groove, the wrench is detachably arranged on the supporting cylinder and comprises a holding rod and a rotating rod which are fixedly connected, the holding rod is fixedly arranged on the rotating plate, one end of the rotating rod can be rotatably arranged in the through hole and inserted into the limiting groove, and when the supporting rod is inserted into the limiting groove, the rotating rod rotates to drive the bevel gear to rotate; the holding rod is fixedly arranged at the other end of the rotating rod.
7. The wire cutting apparatus having a grinding process according to claim 1, wherein: the sand blasting mechanism is an automatic sand blasting machine, the automatic sand blasting machine is provided with a plurality of sand blasting ports, and the plurality of sand blasting ports face to the middle part of the second bin; the controller also controls the opening and closing of the automatic sand blasting machine.
8. The wire cutting apparatus having a grinding process according to claim 5, wherein: the rack is also provided with a mounting groove; a supporting table is fixedly installed in the installation groove, the fixing plate is fixedly installed on the supporting table, and water is filled in the installation groove.
9. The wire cutting apparatus having a grinding process according to claim 2, wherein: the upper chuck is fixedly provided with a limiting block, the limiting block is slidably sleeved on the connecting rod along the upper and lower sides, the limiting block is fixedly connected with the piston rod, and the upper chuck is fixedly connected with the limiting block.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211141050.2A CN115213503B (en) | 2022-09-20 | 2022-09-20 | Wire cutting equipment with grinding process |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211141050.2A CN115213503B (en) | 2022-09-20 | 2022-09-20 | Wire cutting equipment with grinding process |
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| CN115213503B true CN115213503B (en) | 2023-03-17 |
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| JP2003311535A (en) * | 2002-02-25 | 2003-11-05 | Makino Fraes Seiki Kk | Nc grinding machine |
| CN100450686C (en) * | 2006-10-19 | 2009-01-14 | 杨龙兴 | Wire electrode cutting process of steam turbine blade |
| CN102974903A (en) * | 2012-11-30 | 2013-03-20 | 哈尔滨工业大学 | Micro-forming die in-situ manufacture device based on wire electrode discharging grinding |
| CN105033375A (en) * | 2015-03-09 | 2015-11-11 | 北京奥特普森精密机械有限公司 | Ultra-precision shaft part electric grinding processing device and processing technology |
| CN205904536U (en) * | 2016-07-16 | 2017-01-25 | 天津市天龙得冷成型部件有限公司 | Electric spark shaping mill cuts lathe |
| CN107297625B (en) * | 2017-06-20 | 2019-11-08 | 泰州市江南机械制造有限公司 | A kind of wire-electrode cutting device with grinding process |
| CN107030341B (en) * | 2017-06-20 | 2019-06-04 | 宿州市众力保温节能材料股份有限公司 | A kind of wire cutting polishing all-in-one machine |
| CN107649755B (en) * | 2017-11-01 | 2020-06-30 | 上海交通大学 | High-speed arc discharge grinding composite processing method |
| CN217096036U (en) * | 2022-03-17 | 2022-08-02 | 河北利耐尔橡塑制品有限公司 | Linear cutting equipment for rubber sealing element die |
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