CN119426665A - A boring device and method for machining automobile engine cylinder head - Google Patents
A boring device and method for machining automobile engine cylinder head Download PDFInfo
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- CN119426665A CN119426665A CN202510037653.5A CN202510037653A CN119426665A CN 119426665 A CN119426665 A CN 119426665A CN 202510037653 A CN202510037653 A CN 202510037653A CN 119426665 A CN119426665 A CN 119426665A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B41/00—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor
- B23B41/12—Boring or drilling machines or devices specially adapted for particular work; Accessories specially adapted therefor for forming working surfaces of cylinders, of bearings, e.g. in heads of driving rods, or of other engine parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B35/00—Methods for boring or drilling, or for working essentially requiring the use of boring or drilling machines; Use of auxiliary equipment in connection with such methods
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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 field of boring processing, in particular to boring equipment and a boring method for processing a cylinder cover of an automobile engine. The boring mechanism comprises a rotating table, a guide cylinder, a sliding cylinder, a screw cylinder, a first motor, a moving rod and a boring assembly, wherein the guide cylinder is arranged on the rotating table and provided with a first slide way in the length direction, the sliding cylinder is arranged at the first slide way and provided with internal threads which are coaxially distributed, the screw cylinder is in threaded connection with the sliding cylinder at the internal threads and provided with a second slide way in the length direction, the first motor is arranged on the rotating table and drives the screw cylinder to rotate positively and negatively, the moving rod is arranged at the second slide way and is rotationally connected with the bottom end of the sliding cylinder, and the boring assembly is arranged at the bottom end of the moving rod, and the tilting adjustment mechanism comprises a rotating cover and a tilting adjustment assembly. According to the boring device, the inclination angle of the boring assembly can be correspondingly adjusted according to the inclination degree of the hole site on the cylinder cover, holes with different inclination angles can be bored, and the application range is wide.
Description
Technical Field
The invention relates to the field of boring processing, in particular to boring equipment and method for processing a cylinder cover of an automobile engine.
Background
In a cylinder head of an automobile engine, the cylinder head is mounted on a cylinder block, and seals the cylinder from above to form a combustion chamber. The whole structure of the cylinder cover is generally rectangular, the detail structure is complex, various holes such as mounting holes and valve holes are formed, and the hole positions are required to be bored by boring equipment so as to ensure the quality of the cylinder cover.
Chinese patent publication No. CN213729493U discloses a boring equipment for processing based on automobile engine cylinder cap, including box, bellows, fan and boring cutter, still including the clamping structure who is convenient for fix not equidimension cylinder cap, be convenient for collect the collection structure of piece and the fixed knot structure of the quick replacement cutter of being convenient for, the PLC controller is installed to the intermediate position department of box one side, and the panel is installed to the inside lower extreme of box, clamping structure sliding connection is in the both sides on panel top, the intermediate position department at the inside bottom of box is installed to the collection structure, pneumatic telescopic link is installed on the inside top of box, and the mounting panel is installed to pneumatic telescopic link's output. This equipment drives the bull stick through fan work and rotates for the driving lever is continuous to striking the plectrum, thereby promotes the elastic motion that reset spring was overcome to the pushing piece, and then drives the scraper blade and scrapes the piece on filter screen surface to collecting box inside collect, accomplishes the perfect collection to the piece.
However, the technical scheme has the following defects:
The boring cutters can move in the vertical direction so as to be adjusted to the boring position, but the boring cutters are vertically distributed and can only bore holes vertically. For automobile engine cylinder covers, besides vertical holes, other inclined holes such as valve holes exist, and the equipment cannot bore holes on the inclined holes, so that the application range is limited.
Disclosure of Invention
Aiming at the problems in the background art, the invention provides boring equipment and a boring method for processing a cylinder cover of an automobile engine, which can correspondingly adjust the inclination angle of a boring assembly according to the inclination degree of a hole position on the cylinder cover, can bore holes with different inclination angles, and has high processing quality and wide application range.
The invention provides boring equipment for machining a cylinder cover based on an automobile engine, which comprises a frame, a boring mechanism, an inclination adjusting mechanism and a position adjusting structure, wherein a cylinder cover clamp is arranged on the frame, the boring mechanism comprises a rotating table, a guide cylinder, a sliding cylinder, a screw cylinder, a first motor, a moving rod and a boring assembly, the guide cylinder is arranged on the rotating table and provided with a first slideway along the length direction, the guide cylinder is arranged on the rotating table and provided with an inner thread which is coaxially distributed along the length direction, the sliding cylinder is arranged on the first slideway, the screw cylinder is connected with the sliding cylinder in a threaded manner along the inner thread, the screw cylinder is connected with the sliding cylinder in a threaded manner along the length direction and provided with a second slideway, the first motor is arranged on the rotating table and drives the screw cylinder to rotate positively and negatively, the moving rod, the screw cylinder, the sliding cylinder and the guide cylinder are coaxially distributed from inside to outside, the inclination adjusting mechanism comprises a rotating cover and an inclination adjusting assembly which is arranged in the rotating cover and drives the rotating table to rotate to adjust the inclination angle of the boring assembly, the boring assembly is arranged in the rotating cover, the boring assembly is rotated on the frame according to the adjusted angle, and the position adjusting mechanism is arranged on the frame, and is used for adjusting the horizontal position of the rotating cover.
Preferably, the lower part of the moving rod is sleeved with a mounting sleeve, the bottom of the sliding cylinder is provided with a mounting groove, the mounting sleeve is positioned on the inner side of the mounting groove, a bearing is mounted between the outer peripheral surface of the mounting sleeve and the inner peripheral surface of the mounting groove, the bottom end of the sliding cylinder is detachably connected with a fixing plate, and the fixing plate is provided with a movable channel for the moving rod to move.
Preferably, the boring assembly comprises a connecting disc arranged at the bottom end of the moving rod, a mounting cover arranged at the bottom of the connecting disc, a sliding column arranged on the mounting cover in a radial sliding manner along the connecting disc, a first screw rod in threaded connection with the sliding column, a sixth motor arranged in the mounting cover and driving the first screw rod to rotate positively and negatively, and a boring cutter arranged at the outer end of the sliding column.
Preferably, the upper surface of the connecting disc is provided with a circular liquid passing groove which is coaxially distributed, the bottom of the fixing plate is detachably connected with a fixing ring, the fixing ring is provided with a liquid inlet, a liquid inlet pipe is communicated with the liquid inlet, the fixing ring is rotationally and hermetically arranged on the upper part of the liquid passing groove, the bottom of the connecting disc is provided with a liquid outlet pipe communicated with the bottom of the liquid passing groove, and the liquid outlet of the liquid outlet pipe faces the boring cutter.
Preferably, the cylinder cap anchor clamps include rectangular frame structure place the seat and set up respectively and place two sets of compression assembly on the adjacent both sides face of seat, place the inboard bottom of seat and have the bearing step, and the bearing step is inboard to be the blanking passageway, compresses tightly the assembly including being located the inboard splint of placing the seat, be connected with splint and run through the slide bar that slide set up on placing the seat and with place seat threaded connection and one end and splint rotate the screw thread knob of being connected.
Preferably, the lower part of the frame is provided with a liquid receiving groove, a filter screen is arranged in the liquid receiving groove, the filter screen is positioned below the blanking channel, the frame is provided with a pump, the input end of the pump is communicated with the lower part of the liquid receiving groove, and the output end of the pump is communicated with the liquid inlet pipe.
Preferably, the inclination adjusting assembly comprises a second motor arranged in the rotating cover, a first worm and a first worm gear, wherein the first worm is arranged in the rotating cover and connected with the output end of the second motor in a rotating way, the first worm gear is connected with the rotating table in a meshed way, the bottom of the rotating cover is of an arc-shaped cover-shaped structure, the arc-shaped cover-shaped structure is provided with an arc-shaped channel, the arc-shaped cover-shaped structure is distributed around the rotating center shaft of the rotating table, an arc-shaped plate is arranged on the periphery of the guide cylinder, the outer side face of the arc-shaped plate is in contact with the inner side face of the arc-shaped cover-shaped structure at the bottom of the rotating cover, and the guide cylinder penetrates through the arc-shaped channel.
Preferably, the position adjusting mechanism comprises a movable seat, an installation shell arranged at the bottom of the movable seat, a third motor arranged on the movable seat, a second worm connected with the output end of the third motor, a second worm wheel meshed with the second worm, a rotating shaft which is arranged on the installation shell and coaxially provided with the second worm wheel, a first gear coaxially arranged on the rotating shaft, a second gear meshed with the first gear, an installation shaft which is arranged on the installation shell and coaxially provided with the second gear, and a moving mechanism for driving the movable seat to move in the horizontal plane.
In another aspect, the present invention provides a boring method for machining a cylinder head of an automobile engine, which is implemented by the boring apparatus for machining a cylinder head of an automobile engine, and includes the following steps:
S1, clamping a cylinder cover of an automobile engine to be bored on a cylinder cover clamp;
S2, correspondingly adjusting the inclination angle of the boring assembly according to the inclination angle of the hole to be bored;
s3, adjusting the horizontal position of the rotating cover through a position adjusting mechanism, namely adjusting the boring assembly to a target position, wherein the boring assembly is positioned in the machining direction of the hole;
S4, the first motor drives the screw barrel to rotate, the screw barrel drives the sliding barrel to move and drives the moving rod to rotate, the sliding barrel gradually slides out of the guide barrel and drives the moving rod to move, the moving rod drives the boring assembly to move, the boring assembly has composite motions of rotation and linear movement, and the boring assembly carries out boring processing on a hole on the cylinder cover in the screwing process;
S5, after boring the hole by the boring assembly, driving the screw cylinder to rotate reversely by the first motor, and rotating the boring assembly out of the hole;
s6, repeating the steps S2-S5, and performing boring processing on the rest holes to be bored.
Compared with the prior art, the invention has the following beneficial technical effects:
according to the boring mechanism, the inclination angle of the boring assembly can be correspondingly adjusted according to the inclination degree of the hole position on the cylinder cover, holes with different inclination angles can be bored, the boring mechanism is high in machining quality and wide in application range, and after the boring mechanism is adjusted to a machining position, holes on the cylinder cover of an automobile engine can be bored according to the inclination angle of the holes to be machined in the boring assembly in the screwing process, the boring mechanism is compact in integral structure, and holes with different inclination angles on the same cylinder cover can be bored by adjusting the positions and the angles.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of a partial structure for adjusting the horizontal position of a mounting case according to an embodiment of the present invention;
FIG. 3 is a partial structural cross-sectional view of the feed and rotation principle of the boring cutter;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
FIG. 5 is an enlarged view of the structure at B in FIG. 3;
fig. 6 is a partial structural cross-sectional view of the principle of azimuth adjustment of the guide cylinder.
The device comprises a frame 1, a placing seat 2, a clamping plate 3, a threaded knob 5, a sliding rod 6, a rotating cover 7, a rotating table 8, a guide cylinder 9, an arc plate 10, a first motor 11, a screw cylinder 12, a sliding cylinder 13, a moving rod 14, a mounting sleeve 15, a bearing 16, a fixing plate 17, a connecting disc 171, a liquid passing groove 18, a fixing ring 19, a liquid inlet pipe 20, a liquid outlet pipe 21, a mounting cover 22, a sixth motor 23, a first lead screw 24, a sliding column 25, a boring cutter 26, a second motor 27, a first worm, 28, a first worm wheel 29, a mounting shell 30, a moving seat 31, a third motor 32, a second worm 33, a second worm wheel 34, a rotating shaft 35, a first gear 36, a second gear 37, a mounting shaft 38, a moving frame 39, a fourth motor 40, a second lead screw 41, a first guide rod 42, a fifth motor 43, a third motor 44, a filter screen 47 and a filter screen 47.
Detailed Description
In a first embodiment, as shown in fig. 1 to 6, the boring device for processing a cylinder cover of an automobile engine according to the present embodiment includes a frame 1, a boring mechanism, a tilt adjusting mechanism, and a position adjusting mechanism.
As shown in fig. 1 and 2, a cylinder cover clamp is arranged on a frame 1 and is used for clamping a cylinder cover of an automobile engine. The cylinder cap anchor clamps include rectangular frame structure place seat 2 and set up respectively and place two sets of compression components on the adjacent both sides face of seat 2, place seat 2 inboard bottom and have the bearing step, and the bearing step can hold the cylinder cap of placing in place seat 2 inboard. The inner side of the bearing step is provided with a blanking channel, and scraps generated by boring can fall down through the blanking channel. The compressing assembly comprises a clamping plate 3 positioned on the inner side of the placing seat 2, a sliding rod 5 connected with the clamping plate 3 and penetrating through the placing seat 2 in a sliding manner, and a threaded knob 4 connected with the placing seat 2 in a threaded manner and one end of the threaded knob is rotationally connected with the clamping plate 3. The clamping plate 3 can be driven to move by rotating the threaded knob 4, and the sliding rod 5 guides the clamping plate 3, so that the clamping plate 3 moves along the horizontal direction and abuts against the side surface of the cylinder cover. When the automobile engine cylinder cover is placed, two sides of the cylinder cover are respectively stuck to the surfaces of two adjacent sides of the inner side of the placement seat 2, and then a group of pressing assemblies are respectively used on the other two sides of the placement seat 2 to be abutted against the remaining two sides of the cylinder cover. The bottom of the cylinder cover is supported from three sides by at least the supporting steps, such as front, back and left sides, at this time, even if the right side of the supporting step does not support the cylinder cover, the cylinder cover is in a state that can be stably supported, and the cylinder cover is abutted tightly by the compressing assemblies on the front side and the right side. The bottom of the cylinder cover can be supported by the supporting steps from the left side, the back side and the right side, or the supporting steps on the front side, the back side, the left side and the right side can all support the cylinder cover. In other words, for a conventional automotive engine head having a generally rectangular bottom, at least three sides of the rectangle rest on the support steps.
As shown in fig. 3 and 4, the boring mechanism includes a rotary table 7, a guide cylinder 8 provided on the rotary table 7 and having a first slide in a longitudinal direction, a slide cylinder 12 slidably provided at the first slide and having internal threads coaxially distributed, a screw cylinder 11 screw-coupled to the slide cylinder 12 at the internal threads and having a second slide in the longitudinal direction, a first motor 10 provided on the rotary table 7 and driving the screw cylinder 11 to rotate forward and backward, a moving rod 13 slidably provided at the second slide and rotatably coupled to a bottom end of the slide cylinder 12, and a boring assembly provided at a bottom end of the moving rod 13. The slide cylinder 12 is slidably clamped at the first slide way, and the moving rod 13 is slidably clamped at the second slide way. The moving rod 13, the screw cylinder 11, the sliding cylinder 12 and the guide cylinder 8 are coaxially distributed from inside to outside. The guide cylinder 8 guides the slide cylinder 12 to move linearly. The screw cylinder 11 can drive the moving rod 13 to rotate, and the guide cylinder 8 can drive the moving rod 13 to move, so that the moving rod 13 can perform screwing or unscrewing movement, and boring can be directly performed through the boring assembly during screwing.
As shown in fig. 5, for the rotational connection between the slide cylinder 12 and the moving rod 13, a mounting sleeve 14 is fitted to the lower portion of the moving rod 13, a mounting groove is provided at the bottom of the slide cylinder 12, the mounting sleeve 14 is located inside the mounting groove, and a bearing 15 is installed between the outer peripheral surface of the mounting sleeve 14 and the inner peripheral surface of the mounting groove. The bearing 15 is used for ensuring smooth rotation of the moving rod 13 and the mounting sleeve 14, and meanwhile, the bearing 15 can be driven by the sliding cylinder 12, so that the moving rod 13 is driven to move through the mounting sleeve 14. The bottom end of the sliding cylinder 12 is detachably connected with a fixed plate 16, and the fixed plate 16 is provided with a movable channel for the movable rod 13 to move. The fixing plate 16 is provided with a plurality of through holes, the bottom end of the sliding cylinder 12 is provided with a threaded hole corresponding to the through holes, and bolts are arranged at the through holes in a penetrating mode and screwed in the threaded holes, so that the fixing plate 16 can be firmly installed. The fixing plate 16 is blocked outside the mounting sleeve 14 and the bearing 15, and can prevent the mounting sleeve 14 and the bearing 15 from falling off.
As shown in fig. 3 and 6, the tilt adjustment mechanism includes a rotating housing 6 and a tilt adjustment assembly provided in the rotating housing 6 and driving a rotating table 7 to rotate to adjust the tilt angle of the boring assembly, the rotating table 7 being rotatably provided in the rotating housing 6. The boring assembly is screwed in or out according to the adjusted angle, the rotation motion and the feeding motion are integrated, and boring is directly carried out when the boring assembly is screwed in. The tilt adjusting assembly comprises a second motor 26 arranged in the rotating cover 6, a first worm 27 rotatably arranged in the rotating cover 6 and connected with the output end of the second motor 26, and a first worm wheel 28 meshed with the first worm 27, wherein the first worm wheel 28 is coaxially connected with the rotating table 7. The second motor 26 can drive the first worm 27 to rotate, the first worm 27 drives the first worm wheel 28 to rotate, the first worm wheel 28 drives the rotating table 7 to rotate, and the meshing connection between the first worm 27 and the first worm wheel 28 has self-locking property.
When the rotating table 7 rotates, the guide cylinder 8 also rotates, and in order to shield the second motor 26, the first worm 27, the first worm wheel 28, the rotating table 7 and the first motor 10 inside the rotating cover 6, the bottom of the rotating cover 6 is of an arc-shaped cover-shaped structure, the arc-shaped cover-shaped structure is provided with arc-shaped channels, the arc-shaped cover-shaped structure is distributed around the rotating center shaft of the rotating table 7, the periphery of the guide cylinder 8 is provided with arc-shaped plates 9, the outer side surfaces of the arc-shaped plates 9 are in contact with the inner side surfaces of the arc-shaped cover-shaped structures at the bottom of the rotating cover 6, and the guide cylinder 8 penetrates through the arc-shaped channels.
When the rotating table 7 drives the guide cylinder 8 to rotate, the guide cylinder 8 drives the arc plate 9 to rotate, the arc plate 9 is kept in fit with the inner side face of the arc cover-shaped structure, the arc plate 9 shields the arc-shaped channel, and on the premise of not obstructing the rotation of the guide cylinder 8, scraps generated during boring of the boring assembly are prevented from splashing to the inner side of the rotating cover 6.
As shown in fig. 1,2 and 6, a position adjusting mechanism is provided on the frame 1 for adjusting the horizontal position of the rotating cover 6. Specifically, the position adjusting mechanism includes a movable base 30, a mounting case 29 provided at the bottom of the movable base 30, a third motor 31 provided on the movable base 30, a second worm 32 connected to an output end of the third motor 31, a second worm wheel 33 meshing-connected to the second worm 32, a rotating shaft 34 rotatably provided on the mounting case 29 and coaxially mounting the second worm wheel 33, a first gear 35 coaxially mounted on the rotating shaft 34, a second gear 36 meshing-connected to the first gear 35, a mounting shaft 37 rotatably provided on the mounting case 29 and coaxially mounting the second gear 36, and a moving mechanism driving the movable base 30 to move in a horizontal plane, and a bottom end of the mounting shaft 37 is connected to a top of the rotating cover 6. The second worm 32 can be driven to rotate positively and negatively through the third motor 31, the second worm 32 drives the second worm wheel 33 to rotate, the second worm wheel 33 drives the first gear 35 to rotate through the rotating shaft 34, and the first gear 35 drives the rotating cover 6 to rotate through the second gear 36 and the mounting shaft 37, so that the horizontal direction of the rotating cover 6 is adjusted, and the horizontal direction of the boring assembly is adjusted. The threaded connection between the second worm 32 and the second worm wheel 33 has self-locking property, and can maintain the stability of the azimuth after the azimuth adjustment is completed.
As shown in fig. 1 and 2, the moving mechanism drives the moving seat 30 to move in the horizontal plane by being adjusted in two vertical directions in the horizontal plane, respectively. The moving mechanism comprises a fifth motor 42 arranged on the frame 1, a third screw rod 43 horizontally arranged on the frame 1 in a rotating mode and connected with the output end of the fifth motor 42, a second guide rod 44 arranged on the frame 1 and distributed in parallel with the third screw rod 43, a moving frame 38 in threaded connection with the third screw rod 43 and in sliding connection with the second guide rod 44, a fourth motor 39 arranged on the moving frame 38, a second screw rod 40 rotatably arranged on the moving frame 38 and connected with the output end of the fourth motor 39, and a first guide rod 41 arranged on the moving frame 38 and distributed in parallel with the second screw rod 40, wherein the second screw rod 40 is in threaded connection with the moving seat 30, and the moving seat 30 is arranged on the first guide rod 41 in a sliding mode. The first guide bar 41 and the second guide bar 44 are perpendicular. The second screw 40 can be driven to rotate in forward and reverse directions by the fourth motor 39, and the movable base 30 can be linearly moved in one direction in the horizontal plane. The third screw 43 can be driven to rotate in the forward and reverse directions by the fifth motor 42, and the movable frame 38 can be linearly moved in the other vertical direction in the horizontal plane. In combination, the movement of the movable seat 30 in the horizontal plane can be realized, and finally the boring assembly is adjusted to the target position so as to perform boring processing on the target hole site on the cylinder cover of the automobile engine.
The boring method based on the boring equipment for processing the cylinder cover of the automobile engine comprises the following steps of:
s1, clamping a cylinder cover of an automobile engine to be bored on a cylinder cover clamp, wherein the cylinder cover is a common cylinder cover with a generally cuboid structure;
S2, correspondingly adjusting the inclination angle of the boring assembly according to the inclination angle of the hole to be bored, boring the inclined valve hole and other holes along the inclination direction, and adjusting the boring assembly to be in a vertical state for the vertically distributed holes;
S3, adjusting the horizontal position of the rotating cover 6 through a position adjusting mechanism, namely adjusting the boring assembly to a target position, wherein the boring assembly is positioned in the machining direction of the hole;
S4, the first motor 10 drives the screw cylinder 11 to rotate, the screw cylinder 11 drives the sliding cylinder 12 to move and drives the moving rod 13 to rotate, the sliding cylinder 12 gradually slides out of the guide cylinder 8 and drives the moving rod 13 to move, the moving rod 13 drives the boring assembly to move, the boring assembly has composite motions of rotation and linear movement, and the boring assembly carries out boring processing on a hole on a cylinder cover, namely, bores processing is carried out on the cylinder cover in the screwing process;
S5, after boring the hole by the boring assembly, driving the screw cylinder 11 to rotate reversely by the first motor 10, and rotating the boring assembly out of the hole;
S6, repeating the steps S2-S5, and boring other holes to be bored, so that boring treatment can be carried out on holes with different inclination angles on the cylinder cover.
According to the boring mechanism, the inclination angle of the boring assembly can be correspondingly adjusted according to the inclination degree of the hole position on the cylinder cover, holes with different inclination angles can be bored, the boring mechanism is high in machining quality and wide in application range, after the boring mechanism is adjusted to a machining position, the boring assembly can bore holes on the cylinder cover of the automobile in the screwing process according to the inclination angle of the holes to be machined, the whole structure of the boring mechanism is compact, and after one hole is machined, the boring mechanism can shrink. After the boring mechanism is adjusted to another processing position, the boring mechanism can extend again, and the boring assembly is used for carrying out secondary processing, so that holes at different positions on the same cylinder cover can be bored.
In the second embodiment, as shown in fig. 1 to 6, compared with the first embodiment, the boring device for processing the cylinder cover of the automobile engine according to the present embodiment, the boring assembly includes a connecting disc 17 disposed at the bottom end of the moving rod 13, a mounting cover 21 disposed at the bottom of the connecting disc 17, a sliding post 24 disposed on the mounting cover 21 in a manner of sliding along the radial direction of the connecting disc 17, a first screw rod 23 screwed with the sliding post 24, a sixth motor 22 disposed in the mounting cover 21 and driving the first screw rod 23 to rotate positively and negatively, and a boring cutter 25 disposed at the outer end of the sliding post 24. The sixth motor 22 can drive the first screw rod 23 to rotate positively and negatively, the first screw rod 23 drives the sliding column 24 to move linearly, the sliding column 24 moves along the radial direction of the connecting disc 17, and the boring cutter 25 moves along with the sliding column 24. When the boring cutter 25 moves to be coaxially distributed with the moving rod 13, a hole corresponding to the size of the boring cutter 25 on the cylinder cover can be machined by the precession of the boring cutter 25. When the boring cutter 25 moves to be distributed in parallel with the central axis of the movable rod 13 in a dislocation manner, a hole with a larger size on the cylinder cover can be machined by screwing in the boring cutter 25, and the boring cutter 25 performs boring machining on the inner wall of the hole with the larger size.
The boring cutter 25 can be adjusted to bore holes with different diameters on the cylinder cover, so that the boring cutter is wide in application range and flexible in use. For holes with different diameters on the cylinder cover, boring tools 25 with other specifications are not required to be replaced, and holes with different diameters and inclined angles can be bored by only one boring tool 25.
In the third embodiment, as shown in fig. 1 to 6, compared with the second embodiment, the boring device for processing the cylinder cover of the automobile engine according to the present embodiment, the upper surface of the connecting disc 17 is provided with the annular liquid passing groove 171 coaxially distributed, and the bottom of the fixing plate 16 is detachably connected with the fixing ring 18, specifically, screwed by bolts. The fixed ring 18 has a liquid inlet hole, and a liquid inlet pipe 19 is connected to the liquid inlet hole, and cutting liquid is supplied to the liquid inlet pipe 19, so that the cutting liquid enters the liquid through groove 171 from the liquid inlet pipe 19 and the liquid inlet hole. The fixed ring 18 is arranged at the upper part of the liquid passing groove 171 in a rotary sealing way, the bottom of the connecting disc 17 is provided with a liquid outlet pipe 20 communicated with the bottom of the liquid passing groove 171, and the liquid outlet of the liquid outlet pipe 20 faces the boring cutter 25. When the boring is carried out on the cylinder cover, the connecting disc 17 is screwed in along with the movable rod 13, the fixed plate 16 and the fixed ring 18 only move linearly, the fixed ring 18 and the connecting disc 17 are in rotary sealing connection, cutting fluid flows from the liquid through groove 171 to the liquid outlet pipe 20 and is sprayed onto the boring cutter 25 from the liquid outlet of the liquid outlet pipe 20, the boring process is cooled and lubricated, the boring cutter 25 is protected, the boring quality is ensured, and boring scraps can be flushed.
The lower part of the machine frame 1 is provided with a liquid receiving groove 45, a filter screen 46 is arranged in the liquid receiving groove 45, the filter screen 46 is positioned below the blanking channel, the machine frame 1 is provided with a pump 47, the input end of the pump 47 is communicated with the lower part of the liquid receiving groove 45, and the output end of the pump 47 is communicated with the liquid inlet pipe 19. The cutting fluid washes away the piece that the bore hole produced, piece and cutting fluid whereabouts are on filter screen 46, and the piece is held back by filter screen 46, and the cutting fluid continues to fall to the liquid receiving tank 45 in, carries the feed liquor pipe 19 again through the pipeline with the cutting fluid after filtering through pump 47, spouts from the liquid outlet of drain pipe 20 again, realizes the recycle of cutting fluid. As for the infusion pipeline between the pump 47 and the liquid inlet pipe 19, a hose is adopted, a drag chain is additionally arranged on the frame 1, and the infusion pipeline is penetrated inside the drag chain similar to the drag chain used for penetrating a traction and protection cable on the existing machine tool, and along with the movement of the liquid inlet pipe 19, the drag chain can also move, so that the inner infusion pipeline can be ensured to effectively convey cutting liquid to the liquid inlet pipe 19.
The embodiment can spray the cutting fluid onto the boring cutter 25, cool and lubricate the boring process, filter the cutting fluid doped with boring scraps, and pump the filtered cutting fluid to the liquid outlet pipe 20 again for cooling and lubricating the boring process, thereby realizing recycling of the cutting fluid and saving cost.
The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. Boring equipment is used in processing based on automobile engine cylinder cap, characterized by comprising:
a frame (1) on which a cylinder head clamp is arranged;
The boring mechanism comprises a rotating table (7), a guide cylinder (8) arranged on the rotating table (7) and provided with a first slideway along the length direction, a sliding cylinder (12) arranged at the first slideway in a sliding manner and provided with internal threads which are coaxially distributed, a screw cylinder (11) which is in threaded connection with the sliding cylinder (12) and provided with a second slideway along the length direction, a first motor (10) arranged on the rotating table (7) and used for driving the screw cylinder (11) to rotate positively and negatively, a moving rod (13) arranged at the second slideway and rotationally connected with the bottom end of the sliding cylinder (12), and a boring assembly arranged at the bottom end of the moving rod (13), wherein the moving rod (13), the screw cylinder (11), the sliding cylinder (12) and the guide cylinder (8) are coaxially distributed from inside to outside;
The inclination adjusting mechanism comprises a rotating cover (6) and an inclination adjusting assembly which is arranged in the rotating cover (6) and drives a rotating table (7) to rotate so as to adjust the inclination angle of the boring assembly, the rotating table (7) is rotatably arranged in the rotating cover (6), and the boring assembly is screwed in or out according to the adjusted angle;
And the position adjusting mechanism is arranged on the frame (1) and is used for adjusting the horizontal position of the rotating cover (6).
2. The boring device for machining cylinder covers based on automobile engines according to claim 1, wherein an installation sleeve (14) is sleeved at the lower part of the movable rod (13), an installation groove is formed in the bottom of the sliding cylinder (12), the installation sleeve (14) is located on the inner side of the installation groove, a bearing (15) is installed between the outer peripheral surface of the installation sleeve (14) and the inner peripheral surface of the installation groove, a fixed plate (16) is detachably connected at the bottom end of the sliding cylinder (12), and the fixed plate (16) is provided with a movable channel for the movable rod (13).
3. The boring device for machining a cylinder head of an automobile engine according to claim 2, wherein the boring assembly comprises a connecting disc (17) arranged at the bottom end of the moving rod (13), a mounting cover (21) arranged at the bottom of the connecting disc (17), a sliding column (24) arranged on the mounting cover (21) in a sliding manner along the radial direction of the connecting disc (17), a first screw (23) in threaded connection with the sliding column (24), a sixth motor (22) arranged in the mounting cover (21) and driving the first screw (23) to rotate positively and negatively, and a boring cutter (25) arranged at the outer end of the sliding column (24).
4. The boring device for machining cylinder covers of automobile engines according to claim 3, wherein the upper side surface of the connecting disc (17) is provided with a circular liquid through groove (171) which is coaxially distributed, the bottom of the fixing plate (16) is detachably connected with a fixing ring (18), the fixing ring (18) is provided with a liquid inlet hole, a liquid inlet pipe (19) is communicated with the liquid inlet hole, the fixing ring (18) is rotationally and hermetically arranged on the upper part of the liquid through groove (171), the bottom of the connecting disc (17) is provided with a liquid outlet pipe (20) communicated with the bottom of the liquid through groove (171), and a liquid outlet of the liquid outlet pipe (20) faces the boring cutter (25).
5. The boring device for machining of cylinder covers of automobile engines according to claim 4, wherein the cylinder cover clamp comprises a placing seat (2) of a rectangular frame structure and two groups of pressing assemblies respectively arranged on two adjacent side surfaces of the placing seat (2), a supporting step is arranged at the bottom of the inner side of the placing seat (2), a blanking channel is arranged on the inner side of the supporting step, the pressing assemblies comprise clamping plates (3) positioned on the inner side of the placing seat (2), sliding rods (5) connected with the clamping plates (3) and penetrating through the sliding seats on the placing seat (2), and threaded knobs (4) in threaded connection with the placing seat (2) and in rotary connection with the clamping plates (3) at one ends.
6. The boring device for machining cylinder covers based on automobile engines according to claim 5, wherein a liquid receiving groove (45) is formed in the lower portion of the frame (1), a filter screen (46) is arranged in the liquid receiving groove (45), the filter screen (46) is located below a blanking channel, a pump (47) is arranged on the frame (1), the input end of the pump (47) is communicated with the lower portion of the liquid receiving groove (45), and the output end of the pump (47) is communicated with the liquid inlet pipe (19).
7. The boring device for machining cylinder covers based on automobile engines according to claim 1, wherein the inclination adjusting assembly comprises a second motor (26) arranged in a rotating cover (6), a first worm (27) rotatably arranged in the rotating cover (6) and connected with the output end of the second motor (26), and a first worm wheel (28) meshed with the first worm (27), the first worm wheel (28) is coaxially connected with a rotating table (7), the bottom of the rotating cover (6) is of an arc cover-shaped structure, the arc cover-shaped structure is provided with arc channels, the arc cover-shaped structure is distributed around the rotating center shaft of the rotating table (7), an arc plate (9) is arranged on the periphery of a guide cylinder (8), the outer side face of the arc plate (9) is in contact with the inner side face of the arc cover-shaped structure at the bottom of the rotating cover (6), and the guide cylinder (8) penetrates through the arc channels.
8. The boring apparatus for machining a cylinder head of an automobile engine according to claim 1, wherein the position adjusting mechanism includes a movable base (30), a mounting case (29) provided at a bottom of the movable base (30), a third motor (31) provided on the movable base (30), a second worm (32) connected to an output end of the third motor (31), a second worm wheel (33) meshing with the second worm wheel (32), a rotating shaft (34) rotatably provided on the mounting case (29) and coaxially mounting the second worm wheel (33), a first gear (35) coaxially mounted on the rotating shaft (34), a second gear (36) meshing with the first gear (35), a mounting shaft (37) rotatably provided on the mounting case (29) and coaxially mounting the second gear (36), and a moving mechanism driving the movable base (30) to move in a horizontal plane, a bottom end of the mounting shaft (37) being connected to a top of the rotating cover (6).
9. A boring method for machining a cylinder head based on an automobile engine, implemented by the boring device for machining a cylinder head based on an automobile engine according to claim 1, characterized in that the method comprises the following steps:
S1, clamping a cylinder cover of an automobile engine to be bored on a cylinder cover clamp;
S2, correspondingly adjusting the inclination angle of the boring assembly according to the inclination angle of the hole to be bored;
S3, adjusting the horizontal position of the rotating cover (6) through a position adjusting mechanism, namely adjusting the boring assembly to a target position, wherein the boring assembly is positioned in the machining direction of the hole;
S4, a first motor (10) drives a screw cylinder (11) to rotate, the screw cylinder (11) drives a sliding cylinder (12) to move and drives a moving rod (13) to rotate, the sliding cylinder (12) gradually slides out of a guide cylinder (8) and drives the moving rod (13) to move, the moving rod (13) drives a boring assembly to move, the boring assembly has composite motions of rotation and linear movement, and the boring assembly carries out boring processing on a hole on a cylinder cover in the screwing process;
S5, after boring the hole by the boring assembly, driving the screw cylinder (11) to rotate reversely by the first motor (10), and rotating the boring assembly out of the hole;
s6, repeating the steps S2-S5, and performing boring processing on the rest holes to be bored.
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| CN202510037653.5A CN119426665B (en) | 2025-01-10 | 2025-01-10 | A boring device and method for machining automobile engine cylinder head |
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| CN119426665B CN119426665B (en) | 2025-05-09 |
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Cited By (1)
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| CN120228564A (en) * | 2025-05-13 | 2025-07-01 | 无锡胜鼎智能科技有限公司 | A boring equipment for machining automobile engine cylinder head |
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