CN107745328B - Numerical control grinding and polishing dual-purpose device for horizontal honing - Google Patents
Numerical control grinding and polishing dual-purpose device for horizontal honing Download PDFInfo
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- CN107745328B CN107745328B CN201710669250.8A CN201710669250A CN107745328B CN 107745328 B CN107745328 B CN 107745328B CN 201710669250 A CN201710669250 A CN 201710669250A CN 107745328 B CN107745328 B CN 107745328B
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- 230000008878 coupling Effects 0.000 claims abstract description 108
- 238000010168 coupling process Methods 0.000 claims abstract description 108
- 238000005859 coupling reaction Methods 0.000 claims abstract description 108
- 239000003082 abrasive agent Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
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- 239000004576 sand Substances 0.000 description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006061 abrasive grain Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
Classifications
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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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
- B24B33/022—Horizontal honing machines
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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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/06—Honing machines or devices; Accessories therefor with controlling or gauging equipment
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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
- B24B33/00—Honing machines or devices; Accessories therefor
- B24B33/10—Accessories
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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
Abstract
The numerical control grinding and polishing dual-purpose device for horizontal honing comprises a follower trolley with a rotating motor, a movable coupling, a multi-section shaft, a grinding head and a movable coupling with a bearing; the movable coupling is divided into a first movable coupling and a second movable coupling, the motor output end on the follow-up trolley is connected with a plurality of sections of shafts through the first movable coupling, the plurality of sections of shafts are long shaft structures formed by connecting the plurality of sections of shifting shafts together, the plurality of sections of shafts are connected with a grinding head through the second movable coupling, the grinding head is connected with the movable coupling with a bearing, and when the movable coupling with the bearing is used, the movable coupling with the bearing is connected to the position of a connecting quilting grinding head on the horizontal honing machine. The novel device for honing, grinding and polishing can simplify the problems into selection of abrasive materials and granularity under the numerical control grinding condition, and easily solves the historical problems.
Description
Technical Field
The invention relates to a numerical control grinding and polishing dual-purpose device for horizontal honing, which belongs to the field of precision machining, and the grinding and polishing are the same as the honing (deep hole machining).
Background
The traditional honing is to turn and bore the workpiece, then to use honing to improve the precision of the workpiece, the efficacy is lower, and the current honing is powerful honing developed on the basis of the original honing.
In the eighties of the last century, as the drawing and rolling technology of the steel pipe is improved, the refined pipe is not subjected to turning and boring procedures, and is directly honed into a finished product,so that the development of honing technology (honing machine manufacturing and grinding tool-sand bar manufacturing technology used) is promoted, so that the cylinder bores of the hydraulic cylinders and the cylinder bores are almost entirely finished by honing process for the seminal tube. The sand strip for powerful honing is made up by using metal, ceramic or epoxy resin as binding agent and adopting grinding material with different material and different grain size, and adopting high-temp. roasting process after normal-temp. forming process. Because the sand strip has hard and brittle characteristics, the grinding speed can only be in the range of 0.5-1 m/s. If it is faster. The workpiece is scratched, and the work efficiency is higher due to the forced feeding and the larger abrasive grain size during honing rough grinding. But the surface is rough, the grinding material is subjected to semi-finish grinding and finish grinding, the work efficiency is reduced due to the reduction of the granularity of the grinding material, and the precision of the workpiece which is honed at present is the highest。
The most effective technological measure for improving the work efficiency and the precision is to improve the grinding speed, which is just the defect of honing, and the limitation is that the honing cannot overcome by itself.
In recent years, in order to overcome the limit of honing, a boring and rolling process is developed, the process is efficient, and the product precision also reachesHowever, the process is limited because the equipment is expensive and requires a blank with very high precision, and the boring and rolling heads with relatively high cost can only bore and roll in a single size and one-to-one mode, and cannot be used universally.
The powerful honing process is used in a large number, and in the current background, how to improve the functions of the existing honing machine is required to overcome the limitations of the existing honing machine, and is also necessary for technical development.
Disclosure of Invention
The invention aims to:
the invention provides a numerical control grinding and polishing dual-purpose device for horizontal honing, which aims to expand the prior honing machine to the comprehensive of honing, grinding and polishing, wherein the prior honing machine has only a single honing functionThe function overcomes the defects that the prior honing has low efficiency in fine grinding and the workpiece processing precision can only reachThe prior honing machine has high-efficiency and high-precision processing performance so as to achieve the technical upgrading.
The technical scheme is as follows:
a numerical control grinding and polishing dual-purpose device for horizontal honing, which is characterized in that: the dual-purpose machine comprises a follow-up trolley with a rotating motor, a movable coupling, a multi-section shaft, a grinding head and a movable coupling with a bearing; the movable coupling is divided into a first movable coupling and a second movable coupling, the motor output end on the follow-up trolley is connected with a plurality of sections of shafts through the first movable coupling, the plurality of sections of shafts are long shaft structures formed by connecting the plurality of sections of shifting shafts together, the plurality of sections of shafts are connected with a grinding head through the second movable coupling, the grinding head is connected with the movable coupling with a bearing, and when the movable coupling with the bearing is used, the movable coupling with the bearing is connected to the position of a connecting quilting grinding head on the horizontal honing machine.
The multi-section fork shaft in the multi-section shaft at least comprises a first section fork shaft and a last section fork shaft connected with the grinding head;
the fork pulling shafts comprise an outer sleeve, an inner connecting shaft and outer pipe spigot bearing seats, each fork pulling shaft comprises two outer pipe spigot bearing seats, the two outer pipe spigot bearing seats extend into the outer sleeve from two ends of the outer sleeve respectively, a part of each outer pipe spigot bearing seat is reserved outside the outer sleeve, the outer pipe spigot bearing seats are fixed between the outer sleeve, the inner connecting shaft penetrates through the two outer pipe spigot bearing seats, the two ends of each inner connecting shaft extend out of the outer pipe spigot bearing seats, and bearings are arranged between the inner connecting shaft and the outer pipe spigot bearing seats, so that the inner connecting shaft can rotate relative to the outer pipe spigot bearing seats by taking the axis of the inner connecting shaft as a shaft;
two bulges protruding outwards in the radial direction are arranged at one end of an inner connecting shaft in the first section of fork pulling shaft, the two bulges are symmetrically arranged relative to the shaft of the inner connecting shaft, and a flat shifting fork or a flat opening with a shape matched with the flat shifting fork is arranged at the other end of the inner connecting shaft for the flat shifting fork to be inserted;
two bulges protruding outwards in the radial direction are arranged at one end of the inner connecting shaft of the tail section shifting fork shaft, the two bulges are symmetrically arranged relative to the shaft of the inner connecting shaft, and a flat shifting fork or a flat notch with a shape matched with the flat shifting fork is arranged at the other end of the inner connecting shaft for the flat shifting fork to be inserted;
the two adjacent fork shafts are inserted into the flat notch of the other fork shaft through the flat fork to realize connection and linkage, and the flat notch is slightly larger than the flat fork so that a gap is formed between the flat fork and the flat notch;
the rotary motor comprises a rotary motor, a rotary shaft, a first movable coupling, a second movable coupling, a first rotary shaft, a second rotary shaft, a first rotary shaft and a second rotary shaft, wherein the first movable coupling is connected to the output end of the rotary motor when one end of the first section of the fork shaft with a bulge is used, the first movable coupling is a cavity into which the end of the first section of the fork shaft with the bulge can be inserted, an inlet of the cavity is a circle with an upper opening and a lower opening, the diameter of the circular inlet is smaller than that of the cavity, the circle corresponds to the inner connecting shaft, the openings correspond to the bulges, and a rotation limiting clamp for blocking the movement of the bulge and limiting the rotation of the inner connecting shaft relative to the first movable coupling is arranged in the cavity; the position of the rotation limiting card is staggered with the positions of the two openings; when in connection, one end with a bulge of the first section of shifting fork shaft is inserted into the cavity through the inlet, and when in rotation, the notch of the first movable coupling staggers the bulge and the bulge is clamped by the rotation limiting clamp so as to drive the inner connecting shaft to rotate;
the convex end of the tail section shifting fork shaft is connected with the grinding head through a second movable coupling, and the connection form between the tail section shifting fork shaft and the second movable coupling is equal to the connection form between the head section shifting fork shaft and the first movable coupling.
At least one middle fork shaft is arranged between the first section fork shaft and the last section fork shaft; one end of the inner connecting shaft of the middle shifting fork shaft is provided with a flat shifting fork, and the other end of the inner connecting shaft is provided with a flat opening which is suitable for the flat shifting fork and is used for the flat shifting fork to insert; the first section fork shaft and the middle fork shaft are connected and linked by inserting a shifting fork into the flat notch;
when the number of the middle fork shafts is multiple, the flat fork of one middle fork shaft is inserted into the flat notch of the other middle fork shaft, so that the connection and linkage of two adjacent inner connecting shafts are realized;
the flat notch is slightly larger than the flat shifting fork so that a gap is formed between the flat shifting fork and the flat notch.
When two adjacent fork shafts are connected, outer pipe spigot bearing seats between the two adjacent fork shafts are corresponding, fixed couplings are sleeved on the peripheries of the two corresponding outer pipe spigot bearing seats, tightening grooves are formed in the outer walls of the outer pipe spigot bearing seats, positioning holes corresponding to the tightening grooves and used for inserting tightening bolts are formed in the fixed couplings, and when the outer pipe spigot bearing seats are used, the tightening bolts penetrate through the positioning holes and then are inserted into the tightening grooves to tightly press the outer pipe spigot bearing seats and the fixed couplings.
The movable coupling with the bearing comprises a connecting end with a bulge and a connecting shaft which is connected with the grinding head and rotates in the same direction, and the connecting shaft is connected with the connecting end with the bulge through the bearing, so that the connecting shaft and the connecting end with the bulge can rotate relatively;
the connecting end with the protrusions is provided with two protrusions protruding outwards in the radial direction, the two protrusions are symmetrically arranged relative to the axis of the inner connecting shaft, when the connecting end with the protrusions is connected with the quilting grinding head of the horizontal honing machine in use, the quilting grinding head of the horizontal honing machine is provided with a third movable coupling which is identical to the first movable coupling and the second movable coupling in structure, the third movable coupling is connected with the connecting end with the protrusions, and the connecting form of the third movable coupling is identical to that of the first section of shifting fork shaft and the first movable coupling.
The periphery of the second movable coupling is provided with a supporting disc which is supported on the inner wall of the pipe and can move relative to the inner wall of the pipe when in use.
The advantages and effects are that:
the invention adopts the mode that the motor drives the grinding head through the long shifting fork shaft, and the shifting fork shaft connected with the grinding head adopts a multi-section connection mode, so that the eccentric vibration problem caused by an integrated long shaft is well avoided, and the motor is connected with the shifting fork shaft, the multi-section shifting fork shaft is connected, or the shifting fork shaft is connected with the grinding and polishing head, and the grinding and polishing head is simply and detachably connected.
The general idea of the invention is to add a grinding (polishing) device on the original honing machine, and replace semi-finish grinding and finish grinding by grinding (polishing).
The general scheme of the invention is as follows: the reciprocating mechanism for honing drives the follower trolley and the follower rotary motor, and the motor is connected with a long shaft consisting of a plurality of sections of shifting fork shafts through a movable coupling, so that the grinding head rotates at a high speed (the grinding speed can reach 20 m/s or higher), and the grinding and polishing are realized through liquid abrasive materials (grinding paste and polishing paste) between the grinding head and the inner wall of the pipe.
The grinding head used in the invention is a 0.1 copper wire wheel sold in the market, has flexibility and sand bag grinding characteristics, thus being efficient, and simultaneously, the liquid grinding material has the grinding characteristics and the high-precision characteristics, thus having the dual advantages of sand bag grinding and grinding, and the processing of workpieces achieves、/>The novel honing, grinding and polishing equipment well solves the precision problem in the processing of ultra-deep holes (up to 10 m) with large length-to-aperture ratio.
The novel device for honing, grinding and polishing can simplify the problems into selection of abrasive materials and granularity under the numerical control grinding condition, and easily solves the historical problems.
Description of the drawings:
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a follower trolley;
FIG. 3 is an overall schematic diagram of the connection of the first section shift rail and the first movable coupling;
FIG. 4 is a partially schematic perspective view of the connection of the raised end of the head section shift rail with the first movable coupling;
FIG. 5 is a schematic view of the structure of the first movable coupling and the second movable coupling;
FIG. 6 is a schematic view of an intermediate shift axle construction;
FIG. 7 is a partial plan view of the junction of two adjacent segments of the shift rails;
FIG. 8 is a schematic view of a fixed coupling construction;
FIG. 9 is a schematic diagram of the connection position of the flat fork and the flat notch;
fig. 10 is a schematic diagram of the connection between the end shift shaft and the polishing head.
The specific embodiment is as follows:
the invention provides a numerical control grinding and polishing dual-purpose device for horizontal honing, which comprises a follower trolley 1 with a rotating motor, a movable coupling, a multi-section shaft 3, a grinding head 4 and a movable coupling 5 with a bearing, wherein the movable coupling is provided with a plurality of rotary motors; the movable coupling 2 is divided into a first movable coupling 2-1 and a second movable coupling 2-2, the motor output end on the follow-up trolley 1 is connected with a multi-section shaft 3 through the first movable coupling 2-1, the multi-section shaft 3 is of a long shaft structure formed by connecting multiple sections of shifting shafts together, the multi-section shaft 3 is connected with a grinding head 4 through the second movable coupling 2-2, the grinding head 4 is connected with a movable coupling 5 with a bearing, and when the movable coupling with the bearing is used, the movable coupling 5 with the bearing is connected to the position of the horizontal honing machine, which is connected with the grinding head.
The multi-section fork shaft in the multi-section shaft 3 at least comprises a first section fork shaft 3-1 and a last section fork shaft 3-2 connected with the grinding head 4;
the fork pulling shafts comprise an outer sleeve 6, an inner connecting shaft 7 and outer pipe spigot bearing seats 8, each fork pulling shaft comprises two outer pipe spigot bearing seats 8, the two outer pipe spigot bearing seats 8 extend into the outer sleeve 6 from two ends of the outer sleeve 6 respectively, a part of the outer pipe spigot bearing seats is left outside the outer sleeve 6, the outer pipe spigot bearing seats 8 and the outer sleeve 6 are fixed, the inner connecting shaft 7 penetrates through the two outer pipe spigot bearing seats 8, two ends of the inner connecting shaft extend out of the outer pipe spigot bearing seats 8, and a bearing 9 is arranged between the inner connecting shaft 7 and the outer pipe spigot bearing seats 8, so that the inner connecting shaft 7 can rotate relative to the outer pipe spigot bearing seats 8 by taking the self axis as a shaft;
two bulges 10 protruding outwards in the radial direction are arranged at one end of an inner connecting shaft 7 in the first-section shifting fork shaft 3-1, the two bulges 10 are symmetrically arranged relative to the axis of the inner connecting shaft 7, and a flat shifting fork 11 or a flat notch 12 with the shape being matched with the flat shifting fork 11 and used for the flat shifting fork 11 to be inserted into is arranged at the other end of the inner connecting shaft 7;
two bulges 10 protruding outwards in the radial direction are arranged at one end of the inner connecting shaft 7 of the tail section fork shaft 3-2, the two bulges 10 are symmetrically arranged relative to the axis of the inner connecting shaft 7, and a flat fork 11 or a flat notch 12 with the shape being matched with the flat fork 11 and used for the flat fork 11 to be inserted is arranged at the other end of the inner connecting shaft 7;
the two adjacent fork shafts are inserted into the flat notch 12 of the other fork shaft through the flat fork 11 to realize connection and linkage, and the flat notch 12 is slightly larger than the flat fork 11 so that a gap is formed between the flat fork 11 and the flat notch 12;
the first movable coupling 2-1 connected to the output end of the rotating motor when the end with the bulge of the first section of the fork shaft 3-1 is used, the first movable coupling 2-1 is a cavity 13 into which the end with the bulge of the first section of the fork shaft can be inserted, the inlet of the cavity 13 is a round shape provided with an upper opening and a lower opening 14, the diameter of the round inlet is smaller than that of the cavity 13, the round shape corresponds to the inner connecting shaft 7, the opening 14 corresponds to the bulge 10, and a rotation limiting clamp 15 which can prevent the bulge 10 from moving and limit the inner connecting shaft 7 to rotate relative to the first movable coupling 2-1 is arranged in the cavity 13; the position of the rotation limiting card 15 is staggered with the positions of the two notches 14; when in connection, one end with a bulge of the first section of shifting fork shaft 3-1 is inserted into the cavity 13 from an inlet, and when in rotation, the opening of the first movable coupling 2-1 staggers the bulge 10, and the bulge 10 is clamped by the rotation limiting clamp 15 so as to drive the inner connecting shaft 7 to rotate; because the diameter of the circular inlet is smaller than that of the cavity 13, and the bulge 10 is staggered with the notch, the bulge 10 is blocked by the circular inlet of the cavity 13, and the detachment between the first section shifting fork shaft 3-1 and the movable coupling 2 is avoided-!
The convex end of the tail section shifting shaft 3-2 is connected with the grinding head 4 through the second movable coupling 2-2, and the connection form between the tail section shifting shaft 3-2 and the second movable coupling 2-2 is equal to the connection form between the head section shifting shaft 3-1 and the first movable coupling 2-1.
At least one middle fork shaft 3-3 is arranged between the first section fork shaft 3-1 and the last section fork shaft 3-2; one end of the inner connecting shaft 7 of the middle fork shaft 3-3 is provided with a flat fork 11, and the other end is provided with a flat notch 12 which is matched with the flat fork 11 and is used for the flat fork 11 to be inserted; the first section fork shaft 3-1 and the middle fork shaft 3-3 and the last section fork shaft 3-2 are inserted into the flat notch 12 through the shifting fork 11 to realize connection and linkage;
when the number of the middle fork shafts 3-3 is multiple, the flat fork 11 of one middle fork shaft 3-3 is inserted into the flat notch 12 of the other middle fork shaft 3-3, so that the connection and linkage of two adjacent connecting shafts 7 are realized;
the flat notch 12 is slightly larger than the flat shifting fork 11, so that a gap is formed between the flat shifting fork 11 and the flat notch 12.
When two adjacent fork shafts are connected, outer pipe spigot bearing seats 8 between the two adjacent fork shafts correspond, fixed couplings 16 are sleeved on the peripheries of the two corresponding outer pipe spigot bearing seats 8, tightening grooves 17 are formed in the outer walls of the outer pipe spigot bearing seats 8, positioning holes corresponding to the tightening grooves 17 and used for inserting tightening bolts 18 are formed in the fixed couplings 16, and when the outer pipe spigot bearing seat is used, the tightening bolts 18 penetrate through the positioning holes and then are inserted into the tightening grooves 17 to tightly press the outer pipe spigot bearing seats 8 and the fixed couplings 16.
The movable coupling 5 with the bearing comprises a connecting end with a protrusion 10 and a connecting shaft 19 which is connected with the grinding head 4 and rotates in the same direction, and the connecting shaft 19 is connected with the connecting end with the protrusion 10 through the bearing, so that the connecting shaft 19 and the connecting end with the protrusion 10 can rotate relatively;
the connecting end 20 with the protrusions 10 is provided with two protrusions 10 protruding outwards along the radial direction, the two protrusions 10 are symmetrically arranged relative to the axis of the inner connecting shaft 7, when the horizontal honing machine is used, the connecting end with the protrusions 10 is connected with the honing head of the horizontal honing machine, a third movable coupling which is identical to the first movable coupling 2-1 and the second movable coupling 2-2 in structure is arranged at the honing head of the horizontal honing machine, the third movable coupling is connected with the connecting end with the protrusions 10, and the connecting form of the third movable coupling is identical to the connecting form of the first section of the shifting fork shaft 3-1 and the first movable coupling 2-1.
The periphery of the second movable coupling 2-2 is provided with a support disc which is supported on the inner wall of the pipe in use and can move relative to the inner wall of the pipe.
When the honing machine is used, one end of the bulge 10 of the first-section shifting fork shaft 3-1 stretches into the cavity 13 and rotates, so that the bulge 10 is staggered by the notch 14 and is lapped on the rotation limiting clamp 15, then the flat shifting fork 11 or the flat notch 12 at the other end of the first-section shifting fork shaft 3-1 is spliced with the flat notch 12 or the flat shifting fork 11 on the middle shifting fork shaft 3-3 to realize the linkage of the inner connecting shaft 7, a gap is reserved between the flat notch 12 and the flat shifting fork 11, the problem of non-axiality is solved, then the middle shifting fork shaft is connected with the last-section shifting fork shaft in the same way, the last-section shifting fork shaft is connected with the grinding polishing head, the two adjacent shifting fork shafts are connected by adopting a fixed coupling, then the grinding polishing head stretches into the inner wall of a pipe, the rotation motor is started to operate, a moving vehicle under the rotation motor is manually pushed to operate, and the other end of the grinding polishing head can be connected to the position of an original honing machine, and the grinding polishing head is fed and polished by a feeding pulling polishing head and a moving vehicle of the original honing mechanism.
The invention relates to the main component structure, action and performance principles as follows:
1. workpiece clamping is completed by a clamping mechanism of an original honing machine;
2. the reciprocating motion of the grinding (polishing) head is completed by a reciprocating motion mechanism of the original honing machine, and the positioning mode is as follows: the copper wire polishing wheel provided by the market for 0.1 has flexibility, and the copper wire has elasticity, so that the copper wire is positioned, is attached to a workpiece to be polished without gaps, and can ensure that the polishing effect is optimal;
3. the different rotating speeds of the motor are controlled by a numerical control center consisting of numerical control elements;
4. the motor, the shifting fork shaft and the grinding (polishing) head are connected by adopting a movable coupling;
5. the grinding (polishing) head is connected with the honing rod (namely, the position on the honing machine, which is connected with the honing head) in the reciprocating motion of the honing machine, and is connected by a movable coupling with a bearing, so that the problem of non-uniform rotating speed is solved, the rotating speed of the grinding (polishing) head is higher than that of the honing rod, and the honing rod plays a role in reciprocating lifting at the moment;
6. the driving of the rotating motor is that a plurality of sections of fork shafts are connected together to form a plurality of sections of shafts to rotate, so that the grinding (polishing) head is driven to rotate;
7. the non-axiality between the multi-section shifting fork shafts is solved by the clearance between the flat notch 12 and the flat shifting fork 11;
8. the follow-up of the rotating motor is realized by a follow-up trolley and a first movable coupling connected with the rotating motor.
Claims (4)
1. A numerical control grinding and polishing dual-purpose device for horizontal honing, which is characterized in that: the dual-purpose device comprises a follow-up trolley (1) with a rotating motor, a movable coupling, a multi-section shaft (3), a grinding head (4) and a movable coupling (5) with a bearing; the movable coupling (2) is divided into a first movable coupling (2-1) and a second movable coupling (2-2), the motor output end on the follow-up trolley (1) is connected with a multi-section shaft (3) through the first movable coupling (2-1), the multi-section shaft (3) is of a long shaft structure formed by connecting a plurality of sections of fork shafts together, the multi-section shaft (3) is connected with a grinding head (4) through the second movable coupling (2-2), the grinding head (4) is connected with a movable coupling (5) with a bearing, and when the movable coupling is used, the movable coupling (5) with the bearing is connected to the position of a connecting quilting grinding head on the horizontal honing machine;
the multi-section fork shaft in the multi-section shaft (3) at least comprises a first section fork shaft (3-1) and a last section fork shaft (3-2) connected with the grinding head (4);
the fork pulling shafts comprise an outer sleeve (6), an inner connecting shaft (7) and outer pipe spigot bearing seats (8), each fork pulling shaft comprises two outer pipe spigot bearing seats (8), the two outer pipe spigot bearing seats (8) extend into the outer sleeve (6) from two ends of the outer sleeve (6) respectively, a part of the two outer pipe spigot bearing seats is reserved outside the outer sleeve (6), the outer pipe spigot bearing seats (8) are fixed with the outer sleeve (6), the inner connecting shaft (7) penetrates through the two outer pipe spigot bearing seats (8) and the two ends of the inner connecting shaft extend out of the outer pipe spigot bearing seats (8), and a bearing (9) is arranged between the inner connecting shaft (7) and the outer pipe spigot bearing seats (8), so that the inner connecting shaft (7) can rotate relative to the outer pipe spigot bearing seats (8) by taking own axes as shafts;
one end of an inner connecting shaft (7) in the first section of fork shaft (3-1) is provided with two bulges (10) protruding outwards along the radial direction, the two bulges (10) are symmetrically arranged relative to the axis of the inner connecting shaft (7), and the other end of the inner connecting shaft (7) is provided with a flat shifting fork (11) or a flat notch (12) with the shape being matched with the flat shifting fork (11) for the flat shifting fork (11) to be inserted;
two bulges (10) protruding outwards in the radial direction are arranged at one end of an inner connecting shaft (7) of the tail section fork shaft (3-2), the two bulges (10) are symmetrically arranged relative to the axis of the inner connecting shaft (7), and a flat shifting fork (11) or a flat notch (12) with the shape being matched with the flat shifting fork (11) and used for the flat shifting fork (11) to be inserted is arranged at the other end of the inner connecting shaft (7);
the two adjacent sections of fork shafts are inserted into a flat notch (12) of the other section of fork shaft through a flat fork (11) to realize connection and linkage, and the flat notch (12) is slightly larger than the flat fork (11) so that a gap is formed between the flat fork (11) and the flat notch (12);
the rotary electric machine comprises a first movable coupling (2-1) connected to the output end of the rotary electric machine when one end with a bulge of a first section of fork shaft (3-1) is used, the first movable coupling (2-1) is a cavity (13) into which the end with the bulge of the first section of fork shaft can be inserted, an inlet of the cavity (13) is a circle with an upper opening and a lower opening (14), the diameter of the circular inlet is smaller than that of the cavity (13), the circle corresponds to an inner connecting shaft (7), the opening (14) corresponds to the bulge (10), and a rotation limiting clamp (15) which can prevent the bulge (10) from moving and limit the inner connecting shaft (7) to rotate relative to the first movable coupling (2-1) is arranged in the cavity (13); the position of the rotation limiting card (15) is staggered with the positions of the two openings (14); when in connection, one end with a bulge of the first section of shifting fork shaft (3-1) is inserted into the cavity (13) from an inlet, and when in rotation, the opening of the first movable coupling (2-1) is staggered with the bulge (10), and the bulge (10) is clamped by the rotation limiting clamp (15) so as to drive the inner connecting shaft (7) to rotate;
the convex end of the tail section shifting fork shaft (3-2) is connected with the grinding head (4) through a second movable coupling (2-2), and the connection form between the tail section shifting fork shaft (3-2) and the second movable coupling (2-2) is equal to the connection form between the head section shifting fork shaft (3-1) and the first movable coupling (2-1);
the movable coupling (5) with the bearing comprises a connecting end with a bulge (10) and a connecting shaft (19) which is connected with the grinding head (4) and rotates in the same direction, and the connecting shaft (19) is connected with the connecting end with the bulge (10) through the bearing, so that the connecting shaft (19) and the connecting end with the bulge (10) can rotate relatively;
the connecting end with the protrusions (10) is provided with two protrusions (10) protruding outwards in the radial direction, the two protrusions (10) are symmetrically arranged relative to the axis of the inner connecting shaft (7), when the horizontal honing machine is used, the connecting end with the protrusions (10) is connected with the honing head of the horizontal honing machine, the honing head of the horizontal honing machine is provided with a third movable coupling which is identical in structure with the first movable coupling (2-1) and the second movable coupling (2-2), the third movable coupling is connected with the connecting end with the protrusions (10), and the connecting mode of the third movable coupling is identical to that of the first section of the shifting fork shaft (3-1) and the first movable coupling (2-1).
2. The numerical control grinding and polishing dual-purpose device for horizontal honing according to claim 1, characterized in that: at least one middle shifting fork shaft (3-3) is arranged between the first shifting fork shaft (3-1) and the last shifting fork shaft (3-2); one end of the inner connecting shaft (7) of the middle fork shaft (3-3) is provided with a flat fork (11), and the other end is provided with a flat notch (12) which is matched with the flat fork (11) and is used for the flat fork (11) to insert; the first section fork shaft (3-1) and the middle fork shaft (3-3) and the last section fork shaft (3-2) are inserted into the flat notch (12) through the shifting fork (11) to realize connection and linkage;
when the number of the middle fork shafts (3-3) is multiple, the flat fork (11) of one middle fork shaft (3-3) is inserted into the flat notch (12) of the other middle fork shaft (3-3), so that the connection and linkage of two adjacent inner connecting shafts (7) are realized;
the flat openings (12) are slightly larger than the flat shifting fork (11) so that gaps are formed between the flat shifting fork (11) and the flat openings (12).
3. The numerical control grinding and polishing dual-purpose device for horizontal honing according to claim 1, characterized in that: when two adjacent fork shafts are connected, outer pipe spigot bearing seats (8) between the two adjacent fork shafts correspond, fixed couplings (16) are sleeved on the peripheries of the two corresponding outer pipe spigot bearing seats (8), tightening grooves (17) are formed in the outer walls of the outer pipe spigot bearing seats (8), positioning holes corresponding to the tightening grooves (17) and used for inserting tightening bolts (18) are formed in the fixed couplings (16), and when the outer pipe spigot bearing seat is used, the tightening bolts (18) penetrate through the positioning holes and then are inserted into the tightening grooves (17) to be tightened, so that positioning between the outer pipe spigot bearing seats (8) and the fixed couplings (16) is achieved.
4. The numerical control grinding and polishing dual-purpose device for horizontal honing according to claim 1, characterized in that: the periphery of the second movable coupling (2-2) is provided with a supporting disc which is supported on the inner wall of the pipe and can move relative to the inner wall of the pipe when in use.
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| CN201710669250.8A CN107745328B (en) | 2017-08-08 | 2017-08-08 | Numerical control grinding and polishing dual-purpose device for horizontal honing |
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| CN201710669250.8A CN107745328B (en) | 2017-08-08 | 2017-08-08 | Numerical control grinding and polishing dual-purpose device for horizontal honing |
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| FI20185341A1 (en) * | 2018-04-10 | 2019-10-11 | Mirka Ltd | Method and apparatus for forming a groove pattern on a cylindrical surface |
| CN111761300B (en) * | 2020-05-18 | 2022-02-01 | 成都戴梦迪超硬工具有限责任公司 | Surface processing technology for quenching steel die with mirror surface roughness approaching |
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