CN112171470B - Fine processing device for part hidden hole - Google Patents
Fine processing device for part hidden hole Download PDFInfo
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- CN112171470B CN112171470B CN202011064208.1A CN202011064208A CN112171470B CN 112171470 B CN112171470 B CN 112171470B CN 202011064208 A CN202011064208 A CN 202011064208A CN 112171470 B CN112171470 B CN 112171470B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0076—Other grinding machines or devices grinding machines comprising two or more grinding tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding And Polishing Of Tertiary Curved Surfaces And Surfaces With Complex Shapes (AREA)
Abstract
The invention relates to the technical field of machining equipment and discloses a fine processing device for a hidden hole of a part, which comprises an arc-shaped frame, wherein a first arc-shaped rail and a second arc-shaped rail which are concentrically arranged are arranged on the arc-shaped frame; the first arc-shaped rail is connected with a first sliding plate in a sliding manner, and the first sliding plate is connected with a driving mechanism in a sliding manner; the second arc-shaped rail is simultaneously connected with a coarse grinding mechanism and a fine grinding mechanism in a sliding manner, and the driving mechanism is connected with a connecting unit selectively connected with the coarse grinding mechanism or the fine grinding mechanism; the arc-shaped frame is provided with a power fixing piece for fixing the first sliding plate, and the coarse grinding mechanism and the fine grinding mechanism are both provided with a polishing fixing piece fixedly connected with the arc-shaped frame. The cooperation of corase grind mechanism and accurate grinding mechanism in this application can accomplish the accurate grinding to the deep hole inner wall fast and carry out the corase grind to deep hole intercommunication department, has solved the problem that can't conveniently and polish the deep hole of cross intercommunication high-efficiently among the prior art.
Description
Technical Field
The invention relates to the technical field of machining equipment, in particular to a fine processing device for a hidden hole of a part.
Background
For most parts, various types of holes such as assembly holes, positioning holes, lightening holes and process holes exist in the parts, spiral tool marks and burrs are formed on the inner wall of a machined hole after the hole is machined by using a cutter, and for holes with high surface quality requirements, the inner wall of the hole needs to be ground to reduce the surface roughness.
At present, a conventional method is to use a handheld grinding machine to finish grinding an inner hole of a part, but for a deep hole, the length of the handheld grinding machine is limited, so that the handheld grinding machine cannot grind the deep hole, and for some cross holes in special occasions, such as part of runner holes on a pump body, a certain included angle exists between the two cross holes due to the change of the direction of the runner, and for the runner holes in different positions, the included angles between the two cross holes are different in size; moreover, because the diameter and the depth of the flow passage hole are small and large, a grinding piece cannot be kept stable during grinding due to grinding shaking and the like, so that the inner wall of the hole is very difficult to grind and the grinding quality is poor; more importantly, when utilizing the cutter to process two circulation holes that communicate, because two holes are processed in proper order from beginning to end, consequently produce great burr at two flow passage hole crossing position more easily, and two flow passage hole crossing position are located the deepest of deep hole, have further increased the degree of difficulty of the crossing position of polishing. In conclusion, the conventional handheld grinding machine cannot conveniently and efficiently finish the grinding of the communicated deep hole with the cross structure.
Disclosure of Invention
The invention aims to provide a fine processing device for hidden holes of parts, and the fine processing device is used for solving the problem that cross-connected deep holes cannot be conveniently and efficiently polished in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme: the fine processing device for the hidden hole of the part comprises an arc-shaped frame, wherein a first arc-shaped rail and a second arc-shaped rail which are concentrically arranged are arranged on the arc-shaped frame; the first arc-shaped rail is connected with a first sliding plate in a sliding manner, and the first sliding plate is connected with a driving mechanism in a sliding manner; the second arc-shaped rail is simultaneously connected with a coarse grinding mechanism and a fine grinding mechanism in a sliding manner, and the driving mechanism is connected with a connecting unit selectively connected with the coarse grinding mechanism or the fine grinding mechanism; the arc-shaped frame is provided with a power fixing piece for fixing the first sliding plate, and the coarse grinding mechanism and the fine grinding mechanism are both provided with a polishing fixing piece fixedly connected with the arc-shaped frame.
The principle of the scheme is as follows: the first sliding plate is connected to the first arc-shaped rail in a sliding mode, and the position of the driving mechanism on the arc-shaped frame can be changed by sliding the first sliding plate; the fine grinding mechanism and the coarse grinding mechanism are simultaneously connected to the second arc-shaped rail in a sliding mode, so that the angle between the fine grinding mechanism and the coarse grinding mechanism can be adjusted, the fine grinding mechanism and the coarse grinding mechanism can respectively face two crossed holes, when two deep holes (or a plurality of deep holes) which are communicated with each other need to be subjected to inner wall grinding, the fine grinding mechanism is firstly inserted into one deep hole (hereinafter referred to as a first deep hole, and the other deep hole is referred to as a second deep hole), then the fine grinding mechanism and the arc-shaped frame are fixed by using the grinding fixing part, the driving mechanism and the coarse grinding mechanism are connected through the connecting unit, and the driving mechanism drives the coarse grinding mechanism to grind the joint of the second deep hole and the first deep hole, so that larger burrs at the joint of the two deep holes are ground; then the driving mechanism and the coarse grinding mechanism are detached, the driving mechanism and the accurate grinding mechanism are connected through the connecting unit, the coarse grinding mechanism and the arc-shaped frame are fixed through the polishing fixing piece, the fixation between the accurate grinding mechanism and the arc-shaped frame is eliminated, and the driving mechanism drives the accurate grinding mechanism to accurately grind the first deep hole.
After the finish grinding to first deep hole is accomplished, dismantle whole device from the part, then overturn the arc frame, make the finish grinding mechanism to the second deep hole and the corase grind mechanism just is to first deep hole, actuating mechanism still is connected with the finish grinding mechanism this moment, utilize the mounting of polishing to be fixed in the corase grind mechanism on the arc frame, then start actuating mechanism and drive the finish grinding mechanism and accomplish the finish grinding to the second deep hole, treat that the finish grinding mechanism accomplishes the finish grinding back to the second deep hole, again be connected to the corase grind mechanism with actuating mechanism, utilize the corase grind mechanism to insert from first deep hole and polish once more first deep hole and second deep hole cross connection, thereby make first deep hole and second deep hole cross connection department polished completely.
The beneficial effect of this scheme lies in:
1. can conveniently, stably polish the deep hole: in the application, the driving mechanism is connected to the first sliding plate in a sliding manner, so that after the driving mechanism is connected with the coarse grinding mechanism or the fine grinding mechanism, the driving mechanism can be pushed to drive the coarse grinding mechanism or the fine grinding mechanism to move, and the deep hole can be conveniently polished; and for the deep hole, in the process of punching, the small deviation can cause that the grinding mechanism can not be positioned at the lower end of the deep hole. The sliding track of the driving mechanism is fixed, so that the polishing track of the coarse grinding mechanism or the fine grinding mechanism is fixed, the polishing track cannot be easily changed in the polishing process, and the deep hole can be stably and uniformly polished in the polishing process; simultaneously when utilizing the corase grind mechanism to polish, can be fixed accurate grinding mechanism and other deep hole to structure stability more when making to polish further promotes the stability of polishing.
2. Can polish to the deep hole of intercommunication each other: in this application, owing to set up corase grind mechanism and correct grinding mechanism, after the lateral wall of the deep hole is polished to the utilization correct grinding mechanism, can also utilize corase grind mechanism to accomplish and polish to two or a plurality of deep hole crossing position to get rid of the great burr of deep hole crossing position.
3. Can polish to the intercommunication deep hole that has different contained angles: coarse grinding mechanism, accurate grinding mechanism and actuating mechanism all are sliding connection on the arc frame, and in the use, the contained angle between coarse grinding mechanism and the accurate grinding mechanism can be adjusted at will, consequently can polish to the alternately deep hole that is different contained angles.
4. Can accomplish the polishing to the intercommunication deep hole high-efficiently: compared with the prior art in which the communicated deep holes are singly polished, the polishing efficiency is influenced by the multiple positioning adjustment. In this application, after once fixing a position, contained angle between coarse grinding mechanism and the correct grinding mechanism equals the contained angle between two intercommunication deep holes to accomplish the back of polishing to one of them deep hole, only need turning device, can make coarse grinding mechanism or correct grinding mechanism aim at another deep hole fast, thereby accomplish fast and polish to another deep hole, positioning time is short and polish efficiently.
Preferably, as a modification, the rough grinding mechanism comprises a rough grinding rod and a rough grinding member fixedly connected to one end of the rough grinding rod; the fine grinding mechanism comprises a fine grinding rod and a fine grinding piece fixedly connected to one end of the fine grinding rod.
In the scheme, the crossing positions of the two communicated deep holes are polished by using the coarse grinding piece, so that larger burrs at the crossing positions of the two communicated deep holes are quickly removed; and (4) carrying out accurate grinding on the inner wall of the deep hole by using the accurate grinding piece so as to obtain higher quality of the inner wall of the deep hole.
Preferably, as an improvement, the polishing fixing member includes a second sliding plate and a fixed plate, the fine grinding rod or the rough grinding rod is slidably connected to the second sliding plate, the second sliding plate is slidably connected to the second arc-shaped rail, the arc-shaped frame is located between the second sliding plate and the fixed plate, a fixed hole is formed in the second sliding plate, a tensioning screw rod is slidably connected in the fixed hole, and the tensioning screw rod is in threaded connection with the fixed plate.
In the scheme, the coarse grinding mechanism and the fine grinding mechanism are respectively and correspondingly provided with a polishing fixing piece so as to conveniently and respectively fix the coarse grinding mechanism and the fine grinding mechanism; meanwhile, the second sliding plate can be quickly fixed on the arc-shaped frame by utilizing the threaded fit of the tensioning screw rod and the fixed plate, and the operation is very convenient.
Preferably, as a modification, the number of the tension screws is at least two, and all the tension screws are uniformly distributed on both sides of the fine grinding rod or the rough grinding rod.
In this scheme, the quantity of tensioning screw is two at least, and all tensioning screw equipartitions in the both sides of fine grinding pole or thick grinding rod to it is more firm when utilizing tensioning screw to be fixed in the second sliding plate on the arc frame.
Preferably, as a modification, the second slide plate is provided with a threaded hole in which a lock screw for fixedly connecting the rough grinding bar or the finish grinding bar to the second slide plate is threadedly connected.
In this scheme, through locking screw and second sliding plate, can make locking screw support the fastening with finish grinding rod or corase grind pole and decide to it is fixed simple structure, convenient operation with corase grind pole or finish grinding rod fast to make things convenient for.
Preferably, as an improvement, actuating mechanism includes driving motor, the coupling unit includes the adapter sleeve of fixed connection on driving motor, the one end that the accurate grinding piece was kept away from to the fine grinding pole and the one end that the corase grind piece was kept away from to the corase grind pole have all opened the external screw thread, it has and goes up external screw thread screw-thread fit's internal thread on the accurate grinding piece or the corase grind pole to open on the inner wall of adapter sleeve.
In this scheme, utilize the threaded connection of adapter sleeve and corase grind pole or finish grinding pole for it is fixed with the adapter sleeve fast that rough grind pole or finish grinding pole can, when driving motor rotates and drives the adapter sleeve and rotate, can drive rough grind pole or finish grinding pole through the adapter sleeve and rotate, and then makes rough grind pole drive corase grind piece and rotate or finish grinding pole drive finish grinding piece and rotate and accomplish polishing to the deep hole.
Preferably, as an improvement, one end of the refining rod close to the refining piece is provided with a clamping seam penetrating through the center of the refining rod, the refining piece is clamped in the clamping seam, and two ends of the refining piece respectively extend out of the clamping seam.
In the fine grinding process, the inner wall of the deep hole is usually finished by using the sand paper, in the scheme, the end part of the fine grinding rod is provided with a clamping joint, when the fine grinding is required, the sand paper can be directly clamped into the clamping joint, so that the sand paper can be fixed, and when the sand paper needs to be replaced after being ground for a period of time, the used sand paper can be quickly replaced; more importantly, because the both ends of accurate grinding piece extend to outside the joint seam, according to the aforesaid, abrasive paper itself has certain flexibility, after with abrasive paper joint seam, even the length of abrasive paper is greater than the diameter of deep hole, also can be crooked with abrasive paper, when extrudeing abrasive paper to the deep hole in, can make the inner wall of abrasive paper and deep hole well contact, thereby make the effect of accurate grinding better, and abrasive paper offsets with the contact of deep hole inner wall this moment, even when the corase grind and do not use the accurate grinding piece, abrasive paper also can well contact with the deep hole inner wall, thereby play the support positioning function, be favorable to the better stable of corase grind going on.
Preferably, as a modification, a magnetic ring is fixedly connected to the end side wall of the rough grinding rod close to the rough grinding member.
The magnetic ring is used for adsorbing the rough polished burrs, so that the polished burrs are prevented from remaining in the deep hole, and the influence on subsequent fine grinding is prevented.
Preferably, as a modification, one end of the magnetic ring close to the rough grinding part is fixedly connected with the spiral piece.
In this scheme, when the corase grind pole rotates and drives the corase grind piece and carry out the corase grind, still drive the flight simultaneously and rotate to make the directional air current of formation in the deep hole, be favorable to adsorbing the burr of corase grind to magnetic ring department and by the clearance.
Preferably, as an improvement, the adjusting range of the included angle between the fine grinding rod and the rough grinding rod is 0-120 degrees.
In this scheme, set up the control range of contained angle between smart grinding rod and the corase grind pole into 0 ~ 120 to convenient to polish to common intercommunication deep hole.
Drawings
FIG. 1 is a top view of a fine processing device for blind holes of parts according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view taken along a-a in fig. 1.
Fig. 3 is a schematic view of the connection of refining bars to refining elements according to one embodiment of the invention.
Fig. 4 is a top view of fig. 3.
Fig. 5 is a schematic view illustrating a connection between the rough grinding mechanism and the magnetic ring and the spiral piece according to the second embodiment of the invention.
Fig. 6 is a top view of a refiner bar and refiner elements according to a third embodiment of the invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the device comprises an arc-shaped frame 1, a first arc-shaped rail 2, a second arc-shaped rail 3, a first sliding plate 4, a rough grinding rod 5, a rough grinding part 6, a fine grinding rod 7, a fine grinding part 8, a connecting sleeve 9, a second sliding plate 10, a first fixing plate 11, a tensioning screw 12, a second fixing plate 13, a locking screw 14, a magnetic ring 15, a spiral piece 16 and a driving motor 17.
The embodiment is basically as shown in the attached figure 1: the fine processing device for the hidden holes of the parts comprises an arc-shaped frame 1, wherein two arc-shaped grooves which are concentrically arranged are formed in the arc-shaped frame 1, the arc-shaped groove close to the outer side is a first arc-shaped rail 2, the arc-shaped groove close to the inner side is a second arc-shaped rail 3, a first sliding plate 4 is connected to the first arc-shaped rail 2 in a sliding mode along the arc direction of the first arc-shaped rail, a sliding rail which is arranged along the radial direction of the first arc-shaped rail 2 is fixedly connected to the top surface of the first sliding plate 4 through screws, and a driving mechanism is connected to the sliding rail in a sliding mode; the second arc-shaped rail 3 is simultaneously connected with a coarse grinding mechanism and a fine grinding mechanism in a sliding manner along the arc direction of the second arc-shaped rail 3, and the driving mechanism is connected with a connecting unit selectively connected with the coarse grinding mechanism or the fine grinding mechanism. In order to temporarily fix the rough grinding mechanism, the finish grinding mechanism and the driving mechanism on the arc-shaped frame 1, in the embodiment, a power fixing member for fixing the first sliding plate 4 is arranged on the arc-shaped frame 1, and a grinding fixing member fixedly connected with the arc-shaped frame 1 is arranged on each of the rough grinding mechanism and the finish grinding mechanism.
As shown in fig. 1, the rough grinding mechanism comprises a rough grinding rod 5 and a rough grinding member 6 fixedly connected to the bottom end of the rough grinding rod 5, wherein the rough grinding member 6 comprises a grinding head welded to an alloy; the fine grinding mechanism comprises a fine grinding rod 7 and a fine grinding piece 8 connected to the fine grinding rod 7, and when the coarse grinding rod 5 and the fine grinding rod 7 slide along the second arc-shaped rail 3, the fine grinding rod 7 and the coarse grinding rod 5 can slide to a maximum included angle of 100 degrees; referring to fig. 3, in this embodiment, the right end of the fine grinding rod 7 is provided with a clamping seam passing through the center of the fine grinding rod 7, the fine grinding member 8 includes sand paper for grinding, the sand paper is clamped in the clamping seam, and two ends of the sand paper extend to two sides of the fine grinding rod 7, so that two ends of the sand paper protrude out of the side wall of the fine grinding rod 7, and referring to fig. 4, the top end of the sand paper protrudes out of the top end of the fine grinding rod 7.
As shown in fig. 1, the driving mechanism includes a driving motor 17, the connecting unit includes a connecting sleeve 9 fixedly connected to an output shaft of the driving motor 17 by screws, external threads are respectively formed on an end portion of the rough grinding rod 5 far away from the rough grinding part 6 and an end portion of the finish grinding rod 7 far away from the finish grinding rod 7, internal threads matched with the external threads on the rough grinding rod 5 and the finish grinding rod 7 are formed on an inner wall of the connecting sleeve 9, and the connecting sleeve 9 is connected to the rough grinding rod 5 or the finish grinding rod 7 by the connecting sleeve 9 through threads.
In this embodiment, since the grinding fixture on the rough grinding mechanism and the finish grinding mechanism are similar in structure, only the grinding fixture on the rough grinding mechanism will be described below as an example. With reference to fig. 1 and 2, the polishing fixing member includes a second sliding plate 10 and a first fixing plate 11, the second sliding plate 10 is slidably connected to the second arc rail 3, the arc frame 1 is located between the second sliding plate 10 and the first fixing plate 11, a through fixing hole is formed in the second sliding plate 10, a tightening screw 12 is inserted into the fixing hole, the bottom end of the tightening screw 12 penetrates through the second arc rail 3 and then is in threaded connection with the first fixing plate 11, and in order to enable the tightening screw 12 to be manually rotated conveniently, a knob is welded at the top end of the tightening screw 12; meanwhile, in order to avoid the rotation of the fixing plate when the tightening screws 12 are rotated, in the present embodiment, the number of the tightening screws 12 is two, and two tightening screws 12 are located at both sides of the rough grinding bar 5. Meanwhile, in order to be able to temporarily fixedly connect the first sliding plate 4 to the arc-shaped frame 1, the power fixing member also adopts a structure similar to the polishing fixing member, only the second fixing plate 13 is arranged on the bottom surface of the arc-shaped frame 1, and the first sliding plate 4 is directly provided with a fixing hole, and the tensioning screw 12 is in threaded fit with the second fixing plate 13 after passing through the first arc-shaped rail 2, which is not described herein again.
As shown in fig. 1, in order to avoid the rough grinding rod 5 or the finish grinding rod 7 from sliding randomly during grinding using the finish grinding rod 7 or the rough grinding rod 5, a threaded hole is formed in the second sliding plate 10, a locking screw 14 is connected to the threaded hole in a threaded manner, when the locking screw 14 is screwed, the end of the locking screw 14 can be abutted against the side wall of the rough grinding rod 5 or the finish grinding rod 7, and the rough grinding rod 5 or the finish grinding rod 7 is fixed on the second sliding plate 10 by using the friction force between the locking screw 14 and the rough grinding rod 5 or the finish grinding rod 7.
The specific implementation process is as follows:
when the deep hole with cross connection needs to be polished, the embodiment takes two holes which are vertically communicated with each other as an example for description, and when the number of the holes which are communicated with each other is more than two, the polishing operation can be completed by the device, which is not described again here.
Firstly, inserting a fine grinding rod 7 into one of the deep holes (hereinafter referred to as a first deep hole), fixing the fine grinding rod 7 and a second sliding plate 10 (hereinafter referred to as a fine grinding sliding plate) connected to the fine grinding rod 7 to each other by using a locking screw 14, and then fixing the fine grinding fixed plate on the arc-shaped frame 1 by tensioning a tensioning screw 12; then sliding the rough grinding rod 5 and a second sliding plate 10 (hereinafter referred to as rough grinding sliding plate) connected with the rough grinding rod 5 along the second arc-shaped rail 3, so that the rough grinding rod 5 faces another deep hole (hereinafter referred to as second deep hole), and fixing the rough grinding sliding plate on the arc-shaped frame 1 by using a tensioning screw 12; and then sliding the position of the first sliding plate 4 along the first arc-shaped rail 2 to ensure that the connecting sleeve 9 is opposite to the rough grinding rod 5, and fixedly connecting the connecting sleeve 9 and the rough grinding rod 5 through threads, thereby completing the installation and positioning of the device. And then starting the driving motor 17, enabling the driving motor 17 to drive the rough grinding rod 5 to rotate, and simultaneously pushing the driving motor 17 to slide along the slide rail, so that the rough grinding part 6 finishes rough grinding on the cross connection position of the first deep hole and the second deep hole.
After the coarse grinding piece 6 finishes coarse grinding of the crossing position of the first deep hole and the second deep hole, rotating the coarse grinding rod 5 to separate the coarse grinding rod 5 from the connecting sleeve 9; then, the first sliding plate 4 is slid, so that the driving motor 17 rotates to the position of the fine grinding rod 7, then the connecting sleeve 9 is fixedly connected with the fine grinding rod 7, the locking screw 14 at the position of the fine grinding rod 7 is loosened, then the driving motor 17 is started, so that the driving motor 17 drives the fine grinding rod 7 and the fine grinding piece 8 to rotate, the driving motor 17 is pushed back and forth to drive the fine grinding piece 8 to move back and forth in the first deep hole, and the fine grinding piece 8 finishes fine grinding on the inner wall of the first deep hole.
After the accurate grinding piece 8 finishes the accurate grinding of the inner wall of the first deep hole, the arc-shaped frame 1 is pulled, so that the positions of the fine grinding rod 7 and the rough grinding rod 5 are exchanged, namely: the finish grinding rod 7 is inserted into the second deep hole, the rough grinding rod 5 is inserted into the first deep hole, the rough grinding rod 5 is fixed on the rough grinding sliding plate by using the locking screw 14, and then the driving motor 17 is started, so that the driving motor 17 drives the finish grinding piece 8 to rotate to finish the finish grinding of the inner wall of the second deep hole; then adjusting the position of the driving motor 17 to fixedly connect the connecting sleeve 9 with the rough grinding rod 5, fixing the finish grinding rod 7 on the finish grinding sliding plate through the locking screw 14, starting the driving motor 17, enabling the driving motor 17 to drive the rough grinding piece 6 to finish grinding the intersection position of the first deep hole and the second deep hole again, and further removing burrs and the like at the connection position of the first deep hole and the second deep hole.
Example two
The difference between the second embodiment and the first embodiment is that: as shown in fig. 5, a magnetic ring 15 is welded at the end of the rough grinding rod 5 close to the rough grinding part 6, the distance from the magnetic ring 15 to the rough grinding rod 5 is 6mm, meanwhile, a spiral piece 16 is welded between the magnetic ring 15 and the rough grinding part 6 on the rough grinding rod 5, when the rough grinding part 6 is used for grinding burrs at the intersection position of the first deep hole and the second deep hole, the burrs are located in the ground deep hole after being ground, when the rough grinding rod 5 rotates, the spiral piece 16 is driven to rotate to form air flow blowing to the magnetic ring 15, so that the ground burrs are adsorbed to the magnetic ring 15 by the air flow generated by the spiral piece 16, and the ground burrs are adsorbed by the magnetic ring 15, thereby avoiding the burrs from remaining in the deep hole to influence the accurate grinding of the subsequent accurate grinding part 8.
EXAMPLE III
The difference between the third embodiment and the second embodiment is that: as shown in fig. 6, a plurality of clamping joints are arranged at the end part of the fine grinding rod 7, and sand paper is clamped in each clamping joint, so that a plurality of pieces of sand paper are uniformly distributed in the circumferential direction of the fine grinding rod 7, and the grinding quality of the fine grinding rod 7 is improved.
The foregoing is merely an example of the present invention and common general knowledge in the art of designing and/or characterizing particular aspects and/or features is not described in any greater detail herein. It should be noted that, for those skilled in the art, without departing from the technical solution of the present invention, several variations and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (7)
1. Part hidden hole fine processing device which characterized in that: the device comprises an arc-shaped frame, wherein a first arc-shaped rail and a second arc-shaped rail which are concentrically arranged are arranged on the arc-shaped frame; the first arc-shaped rail is connected with a first sliding plate in a sliding manner, and the first sliding plate is connected with a driving mechanism in a sliding manner; the second arc-shaped rail is simultaneously connected with a coarse grinding mechanism and a fine grinding mechanism in a sliding manner, and the driving mechanism is connected with a connecting unit selectively connected with the coarse grinding mechanism or the fine grinding mechanism; the arc-shaped frame is provided with a power fixing piece for fixing the first sliding plate, and the coarse grinding mechanism and the fine grinding mechanism are both provided with a polishing fixing piece fixedly connected with the arc-shaped frame; the rough grinding mechanism comprises a rough grinding rod and a rough grinding piece fixedly connected to one end of the rough grinding rod; the fine grinding mechanism comprises a fine grinding rod and a fine grinding piece fixedly connected to one end of the fine grinding rod; the polishing fixing piece comprises a second sliding plate and a first fixing plate, the second sliding plate is connected to the second arc-shaped rail in a sliding mode, the arc-shaped frame is located between the second sliding plate and the first fixing plate, a penetrating fixing hole is formed in the second sliding plate, a tensioning screw rod penetrates through the fixing hole, and the bottom end of the tensioning screw rod is connected with the first fixing plate in a threaded mode after penetrating through the second arc-shaped rail; the power fixing piece adopts a structure similar to that of the polishing fixing piece, a second fixing plate is arranged on the bottom surface of the arc-shaped frame, a fixing hole is formed in the first sliding plate, and the tensioning screw penetrates through the first arc-shaped rail and then is in threaded fit with the second fixing plate; the number of the tensioning screw rods is at least two, and all the tensioning screw rods are uniformly distributed on two sides of the fine grinding rod or the rough grinding rod.
2. The part blind hole fine processing device of claim 1, wherein: and the second sliding plate is provided with a threaded hole, and a locking screw rod for fixedly connecting the rough grinding rod or the fine grinding rod to the second sliding plate is in threaded connection with the threaded hole.
3. The part blind hole fine processing device according to claim 1 or 2, characterized in that: actuating mechanism includes driving motor, the coupling unit includes the adapter sleeve of fixed connection on driving motor, the one end that the accurate grinding piece was kept away from to the finish grinding pole and the one end that the corase grind piece was kept away from to the corase grind pole have all been opened the external screw thread, open on the inner wall of adapter sleeve have with the accurate grinding piece go up external screw thread or the interior thread of external screw thread screw-thread fit on the rough grinding pole.
4. The part blind hole fine processing device of claim 3, wherein: the one end that the accurate grinding pole is close to the accurate grinding piece is opened has the card seam that passes the accurate grinding pole center, the accurate grinding piece joint is in card seam, and the both ends of accurate grinding piece extend to outside the card seam respectively.
5. The part blind hole fine processing device of claim 4, wherein: and the side wall of the end part of the rough grinding rod, which is close to the rough grinding part, is fixedly connected with a magnetic ring.
6. The part blind hole fine processing device of claim 5, wherein: and one end of the magnetic ring, which is close to the coarse grinding part, is fixedly connected with the spiral sheet.
7. The part blind hole fine processing device of claim 6, wherein: the adjusting range of the included angle between the fine grinding rod and the coarse grinding rod is 0-120 degrees.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064208.1A CN112171470B (en) | 2020-09-30 | 2020-09-30 | Fine processing device for part hidden hole |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011064208.1A CN112171470B (en) | 2020-09-30 | 2020-09-30 | Fine processing device for part hidden hole |
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| CN112171470A CN112171470A (en) | 2021-01-05 |
| CN112171470B true CN112171470B (en) | 2021-09-21 |
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| CN209867963U (en) * | 2019-04-30 | 2019-12-31 | 深圳市润丰精密机械有限公司 | High-efficient accurate vertical machining center |
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| CN112171470A (en) | 2021-01-05 |
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