CN107175575B - Spindle reciprocating motion device of two-shaft honing machine - Google Patents
Spindle reciprocating motion device of two-shaft honing machine Download PDFInfo
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- CN107175575B CN107175575B CN201610136397.6A CN201610136397A CN107175575B CN 107175575 B CN107175575 B CN 107175575B CN 201610136397 A CN201610136397 A CN 201610136397A CN 107175575 B CN107175575 B CN 107175575B
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- 230000033001 locomotion Effects 0.000 title description 12
- 239000000463 material Substances 0.000 claims description 53
- 230000007246 mechanism Effects 0.000 claims description 47
- 238000004519 manufacturing process Methods 0.000 abstract description 17
- 230000009471 action Effects 0.000 abstract description 7
- 239000003921 oil Substances 0.000 description 24
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000000149 penetrating effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 206010063385 Intellectualisation Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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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
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/005—Feeding or manipulating devices specially adapted to grinding 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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/02—Frames; Beds; Carriages
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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
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
- B24B47/16—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces performing a reciprocating movement, e.g. during which the sense of rotation of the working-spindle is reversed
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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
- B24B47/00—Drives or gearings; Equipment therefor
- B24B47/20—Drives or gearings; Equipment therefor relating to feed movement
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to a spindle reciprocating device of a biaxial honing machine, which comprises main reciprocating oil cylinders respectively arranged on a machine body, wherein piston rods of the main reciprocating oil cylinders are respectively connected with double-feed oil cylinders, the piston rods of the double-feed oil cylinders are respectively connected with a spindle, and the spindle moves up and down under the driving of the main reciprocating oil cylinders; each spindle is respectively connected with a fine honing rod and a coarse honing rod, the coarse honing rod is connected with a coarse honing head, and the fine honing rod is connected with a fine honing head. The two main shafts respectively drive the honing rod and the honing head to finish rough honing or finish honing of a workpiece, or finish one of rough honing and finish honing according to time sequence; the reaming and honing device can be applied to a production line, reaming and honing can be sequentially completed according to the appointed action, so that the production line is realized, and the production efficiency is improved.
Description
Technical Field
The invention relates to the technical field of honing machine production lines, in particular to a spindle reciprocating motion device of a biaxial honing machine.
Background
In the prior art, the application of automation and intellectualization in the machining industry occupies the whole manufacturing industry, so that the whole machining industry is rapidly developed, and the use and application of various automatic lines lead the manufacturing industry of our country to go the front of the world.
The honing machine in the prior art has a single main shaft, and can only finish rough honing or finish honing of the same workpiece in the processing process, and the reaming and honing process is independent processing, so that the honing machine is difficult to be applied to continuous processing occasions such as production line processing.
Chinese patent publication No. 101549474 discloses a honing machine, which comprises a main shaft transmission mechanism, a reciprocating driving mechanism, a workbench, a honing head feeding mechanism, a honing head, a digital control system and a pneumatic on-line measuring system; the honing head comprises a main shaft, a group of rough honing bars and a group of fine honing bars which are arranged on the main shaft, a two-stage telescopic hydraulic cylinder is arranged on the honing head, the two-stage telescopic hydraulic cylinder comprises a first piston rod and a second piston rod, when the first piston rod stretches out, the rough honing bars outwards stretch out under the action of the first piston rod to carry out rough honing, when the second piston rod stretches out, the fine honing bars stretch out under the action of the second piston rod to carry out fine honing, a first oil cylinder is arranged on a workbench, and the honing head can move up and down under the action of the piston rod of the first oil cylinder.
The device can finish rough honing and finish honing on the same honing machine, but is difficult to finish matched processing due to the fact that only one main shaft is arranged, cannot cooperate with the processing, and is difficult to apply to the technical field of production lines.
In view of the above drawbacks, the present inventors have finally achieved the present creation through long-time studies and practices.
Disclosure of Invention
The invention aims to provide a spindle reciprocating device of a biaxial honing machine, which is used for overcoming the technical defects.
In order to achieve the above purpose, the invention provides a spindle reciprocating device of a biaxial honing machine, which comprises two main reciprocating cylinders respectively arranged on a lathe bed, wherein a piston rod of each main reciprocating cylinder is respectively connected with a double-feeding cylinder, a piston rod of each double-feeding cylinder is respectively connected with a spindle, and the spindle moves up and down under the drive of the main reciprocating cylinder;
a fine honing rod and a coarse honing rod are respectively connected to each spindle, a coarse honing head is connected to the coarse honing rod, and a fine honing head is connected to the fine honing rod;
under the control of a numerical control system, the double-feed oil cylinder drives the two spindles to sequentially and independently finish rough honing and finish honing, or one of the rough honing and finish honing is sequentially finished by the two spindles.
Further, the servo motor and the servo valve body are controlled, and a servo valve core is arranged in the servo valve body;
the servo valve body is connected with a piston rod of the main reciprocating cylinder through a connecting mechanism, and a servo valve core is connected with a control servo motor to control the rotation of the servo motor.
Further, the device also comprises a distance adjusting mechanism for adjusting the distance between the two main shafts, wherein the distance adjusting mechanism comprises a linear guide rail arranged on the upper lathe bed, and a first sliding block and a second sliding block are arranged on the linear guide rail; a first main shaft bracket is fixed on the first sliding block, and a second main shaft bracket is fixed on the second sliding block;
the first main shaft bracket is provided with a nut seat, an adjusting screw rod is arranged on the nut seat, the second main shaft bracket is provided with a fixed bearing seat, and a bearing is arranged on the fixed bearing seat; a lock nut is arranged at the end part of the adjusting screw rod extending out of the fixed bearing seat;
the locking nut is used for connecting the adjusting screw rod with an output shaft of the driving motor, and the adjusting screw rod is driven by the driving motor to rotate so as to drive the nut seat to move.
Further, the device also comprises a step feeding mechanism for driving the workpiece to move, the step feeding mechanism comprises a material bracket arranged on the machine tool body, an adjusting plate is arranged below the material bracket, a row of swing arms are connected to the adjusting plate, all the swing arms are connected by the adjusting plate, the positions of the swing arms are adjusted, the swing arms are connected with an oil cylinder, and the swing arms are driven to rotate by the oil cylinder.
Further, a material posture adjusting mechanism is further arranged on the material bracket, and comprises a tray arranged above the material bracket, rollers arranged below the material posture adjusting mechanism, a rotating shaft penetrating through the material bracket up and down and connected to the lower end of the tray, and a connecting plate arranged below the material bracket;
the lower extreme of rotation axis be connected with the guide bar of level setting, the guide post of the vertical setting of end connection of guide bar, guide post bottom fixed mounting has the connecting seat.
Further, the double-feed oil cylinder comprises a rough honing oil cylinder and a fine honing oil cylinder which are connected in series, wherein a piston rod of the rough honing oil cylinder is a rough honing ejector rod and is made into a hollow; the piston rod of the fine honing oil cylinder is a fine honing ejector rod, and the fine honing ejector rod passes through the core part of the coarse honing ejector rod and the coarse honing ejector rod to form a double-feed ejector rod.
Further, each double feed cylinder and a main shaft are arranged in the frame;
the outer side of the main shaft is provided with a main shaft guide sleeve which is arranged on the upper lathe bed.
Further, vertical supports are respectively arranged on the first main shaft support and the second main shaft support, and the supports are sleeved on the periphery of the main shaft.
Further, a material posture adjusting mechanism is further arranged on the material bracket, and comprises a tray arranged above the material bracket, rollers arranged below the material posture adjusting mechanism, a rotating shaft penetrating through the material bracket up and down and connected to the lower end of the tray, and a connecting plate arranged below the material bracket;
the lower extreme of rotation axis be connected with the guide bar of level setting, the guide post of the vertical setting of end connection of guide bar, guide post bottom fixed mounting has the connecting seat.
Further, a main rotating motor is arranged on the upper lathe bed, an output shaft of the main rotating motor is connected with a driving chain wheel, the driving chain wheel drives a driven chain wheel through a chain, the driven chain wheel is connected with a main shaft, and the main shaft is driven to rotate.
Compared with the prior art, the invention has the beneficial effects that: the spindle reciprocating device of the two-shaft honing machine drives the two spindles to reciprocate under the control of a numerical control system respectively by the two main reciprocating cylinders; the two main shafts respectively drive the honing rod and the honing head to finish rough honing or finish honing of the workpiece, or respectively finish one of rough honing and finish honing according to time sequence; the reaming and honing device not only can be applied to a production line, but also can finish reaming and honing in sequence according to the appointed action, so that the production line is realized, and the production efficiency is improved; the full-variety processing can be satisfied, the multi-variety processing on the same production line can be realized, and the production cost is reduced; the structure is simple to operate, the stability is good, the spindle spacing is adjusted only when different products are replaced without adjusting after the adjustment is completed.
Drawings
FIG. 1 is a schematic front view of a spindle reciprocation device of a biaxial honing machine according to the present invention;
FIG. 2 is a schematic side view of a spindle shuttle for a biaxial honing machine according to the invention;
FIG. 3 is a schematic view of the structure of the main shaft reciprocating mechanism of the honing machine of the present invention;
FIG. 4 is a schematic view of a honing machine spindle spacing adjustable mechanism according to the present invention;
FIG. 5a is a schematic diagram of a step feeding mechanism according to the present invention;
FIG. 5b is a schematic elevational view of the material posture adjustment mechanism of the present invention;
fig. 5c is a schematic cross-sectional view of the material posture adjustment mechanism of the present invention.
Detailed Description
Referring to fig. 1-2, the spindle reciprocating device of the biaxial honing machine in the embodiment of the invention comprises two spindles, wherein the upper ends of the two spindles are respectively provided with a double-feed oil cylinder, the upper ends of the double-feed oil cylinders are provided with a main reciprocating oil cylinder, and the two main reciprocating oil cylinders respectively drive the two spindles to reciprocate under the control of a numerical control system; the two main shafts respectively drive the honing rod and the honing head to finish rough honing or finish honing of the workpiece 20.
In the embodiment of the invention, the spindle reciprocating device of the biaxial honing machine comprises a first main reciprocating cylinder 16, wherein a piston rod of the main reciprocating cylinder 16 is connected with a first double-feed cylinder 35, and a piston rod of the first double-feed cylinder 35 is connected with a first spindle 14; a first honing head 21 is connected to the lower end of the first honing rod, and the first main shaft moves up and down under the drive of a first main reciprocating cylinder 16; and, under the control of the numerical control system, the first double feed cylinder 35 drives the fine honing lever or the rough honing lever to perform the rough honing or the fine honing.
The first double feed cylinder 35 is mounted in the first frame 15 with the first main shaft 14.
A first spindle guide 40 is provided outside the first spindle 14, and the first spindle guide 40 is provided on the upper bed 13.
The upper bed 13 is provided with a main rotating motor 38, an output shaft of the main rotating motor 38 is connected to a drive sprocket 39, the drive sprocket 38 drives a driven sprocket 391 through a chain, and the driven sprocket 391 is connected to a main shaft to drive the main shaft to perform a rotational motion.
The device further comprises a second main reciprocating cylinder 161, wherein a piston rod of the main reciprocating cylinder 161 is connected with a second double-feeding cylinder 351, and a piston rod of the second double-feeding cylinder 351 is connected with a second main shaft 141; a second honing head 211 is connected to the lower end of the second honing rod, and the second main shaft moves up and down under the driving of a second main reciprocating cylinder 161; and, under the control of the numerical control system, the second double feed cylinder 351 controls the motions of the fine honing lever or the rough honing lever, thereby completing the rough honing or the fine honing motions.
The second double feed cylinder 351 and the second main shaft 141 are installed in the second frame 151.
Referring to fig. 3, in the embodiment of the present invention, the main reciprocating mechanism includes a servo control mechanism including a control servo motor 32 and a servo valve body 34 disposed on the first frame 15, and a servo valve spool 33 is disposed in the servo valve body 34.
The servo valve body 34 is connected with a piston rod of the first main reciprocating cylinder 16 through a connecting mechanism 36, the hydraulic servo valve core 33 is connected with the control servo motor 32, the rotary motion of the servo motor 32 is controlled, the servo valve core 33 is driven to move up and down through a synchronous belt transmission mechanism, the movement of the servo valve core 33 changes the flow direction of hydraulic oil, and the first main shaft 14 is controlled to reciprocate up and down.
In the embodiment, the movement of the first main reciprocating cylinder is controlled differentially, the area of the rodless cavity is 2 times of that of the rod-containing cavity, the rod-containing cavity is always communicated with pressure oil P, the rodless cavity is communicated with the pressure oil P, the piston rod extends out and is communicated with return oil T, and the piston rod retracts; controlling the servo motor 32 controls the motion trace of the servo valve spool 33 to indirectly control the reciprocation of the main shaft.
In the embodiment of the invention, the rough honing and the finish honing can be completed on the same honing machine.
The double-feed oil cylinder comprises a rough honing oil cylinder and a fine honing oil cylinder which are connected in series, wherein a piston rod of the rough honing oil cylinder is a rough honing ejector rod 42 and is made into a hollow; the piston rod of the fine honing cylinder is a fine honing ejector rod 41, and the fine honing ejector rod 41 passes through the core part of the coarse honing ejector rod and the coarse honing ejector rod to form a double-feed ejector rod; the cone of the grinding head consists of a large cone and a small cone, the large cone is a rough honing expansion cone, the small cone is a fine honing expansion cone, and the rough and fine honing ejector rods respectively push the rough and fine honing cones to realize double-feed honing of the feeding system; the rough honing head 21 is connected to the rough honing ejector rod 42; a fine honing head 211 is attached to the fine honing head 41.
The honing machine of the present invention is suitable for being applied to a production line, in this embodiment, the first spindle performs rough honing on a workpiece, the second spindle performs finish honing on a workpiece 20, the workpiece sequentially passes through the first spindle 14 and the second spindle 141, and the two spindles independently perform reaming and honing actions under the control of a numerical control system.
When the same workpiece has multiple holes and needs reaming and honing, the first main shaft 14 finishes the rough honing and the finish honing of the middle hole, and the finish honing of the residual hole are finished by transmitting the finish honing and the finish honing to the second main shaft 141.
In the processing process, in order to finish the processing of workpieces with different specifications and sizes on the same production line, the invention is provided with a spindle spacing adjusting mechanism for processing the same workpiece, the spacing between two spindles is fixed, and the spindle spacing is adjusted only when the size is changed.
Referring to fig. 4, a linear guide rail 12 is mounted on an upper bed 13, and a first sliding block 1 and a second sliding block 11 for first and second sliding are mounted on the linear guide rail 12; a first spindle bracket 2 is fixed on the first slide block 1, and a second spindle bracket 10 is fixed on the second slide block 11; a vertical first frame 15 is respectively arranged on the first main shaft bracket 2 and the second main shaft bracket 10, and the first frame 15 is sleeved on the periphery of the main shaft 14. The first main shuttle cylinder 16 is fixed to the upper end of the first frame 15, and the first main shaft 14 is connected to the first main shuttle cylinder 16.
A nut seat 4 is arranged on the first main shaft bracket 2, an adjusting screw 5 is arranged on the nut seat 4, and a locking nut 3 is arranged at the end part of the adjusting screw 5; a fixed bearing seat 6 is arranged on the second main shaft bracket 10, a bearing 7 is arranged on the fixed bearing seat 6, a bearing gland 8 is arranged on the fixed bearing seat 6, and the axial fixation of the bearing is ensured; a screw lock nut 9 is mounted on the outside of the bearing cover 8.
The end part of the adjusting screw rod 5 extending out of the fixed bearing seat 6 is provided with a locking nut 3; the lock nut connects the adjusting screw 5 with the output shaft of the driving motor 17, and the adjusting screw 5 rotates to drive the nut seat 4 to move under the driving of the driving motor 17.
When the distance between the two main shafts is adjusted, the lock nut 3 is loosened, the adjusting screw 5 is rotated by a wrench, the adjusting screw drives the nut seat 4 to realize first and second movement through threaded connection, and the lock nut 3 is screwed after adjustment is completed.
In the embodiment of the invention, the first sliding block 1 and the second sliding block 11 move on the linear guide rail 12, and two frames on the two sliding blocks move under the drive of the adjusting screw rod, so that the distance between the main shafts is adjusted.
In the embodiment of the invention, the nut seat 4 and the fixed bearing seat 6 are arranged on the inner side between the two main shafts, so that the distance between the main shafts can be conveniently adjusted.
In this embodiment, the frame and the two spindles thereon are respectively connected together, and when moving, the whole body moves, the spindles and the honing machine are stable in structure, and when needing to be adjusted according to different sizes, other structures do not need to be adjusted.
The numerical control adjustable mechanism for the main shaft spacing of the honing machine has the advantages that the structure of the numerical control adjustable mechanism for the main shaft spacing of the honing machine meets the requirement of full-variety processing, realizes multi-variety processing on the same production line, and reduces the production cost. The structure is simple to operate, good in stability, and capable of adjusting the distance between the main shafts only when different products are replaced without adjusting after adjustment.
Referring to fig. 5a-5c, in an embodiment of the present invention, a step feed mechanism 22 is provided to enable movement of a workpiece 20 between a first spindle and a second spindle; the step feeding mechanism 22 of the embodiment of the invention comprises a material bracket 58 arranged on the machine tool body, an adjusting plate 51 is arranged below the material bracket 58, a row of swing arms 52 are connected to the adjusting plate 51, all the swing arms 52 are connected by the adjusting plate 51, the positions of the swing arms 52 are adjusted, the swing arms are connected with an oil cylinder 56, and the swing arms 52 are driven to rotate by the oil cylinder 56.
The material bracket 58 is further provided with a material posture adjusting mechanism 60, the material posture adjusting mechanism 60 comprises a tray 57 arranged above the material bracket 58, a roller 62 arranged below the material posture adjusting mechanism, a rotating shaft 59 penetrating through the material bracket 58 up and down and connected to the lower end of the tray 57, and a connecting plate 72 arranged below the material bracket, the lower end of the rotating shaft 59 is connected with a guide rod 53 arranged horizontally, the end part of the guide rod 53 is connected with a guide column 55 arranged vertically, and the bottom end of the guide column 55 is fixedly provided with a connecting seat 54.
In the embodiment of the invention, the upper end of the rotating shaft 59 is connected with a tray 57, and a limiting pin 73 is arranged at the edge of the tray 57; two sets of thrust ball bearings 67 are mounted at the positioning step of the rotary shaft 59, the thrust ball bearings 67 are supported by a bearing bracket 66, and an inner bearing retainer 65 and an outer bearing retainer 70 are provided inside the bearing bracket 66.
A deep groove ball bearing 69 is further provided on the outer side of the rotation shaft 59, and a retainer ring 64 is provided at the lower end of the deep groove ball bearing 69. The bearing bracket 66 is provided inside the bearing housing 71, supporting three sets of bearings. A lock nut 63 is attached to the lower side of the bearing housing 71, and a dust cap 68 is attached to the upper end of the bearing housing 71.
An adjusting plate 51 is arranged below the material bracket 58, a row of swing arms 52 are connected to the adjusting plate 51 to realize lifting and falling actions, rollers are arranged on the swing arms 52, and the material bracket 58 is arranged on the rollers and slides on the rollers in a first and second mode.
The material posture adjustment mechanism 60 is mounted on the material bracket, and realizes the conversion from the processing of the cylinder hole of the engine cylinder body to the processing of the crank hole.
The tray 57 is mounted on a material carrier 58 for material transport.
The oil cylinder 56 acts to drive all the swing arms 52 to lift, the swing arms 52 drive the material bracket 58 to lift, and the material posture adjusting mechanism and the tray 57 arranged on the material bracket 58 follow the lifting. Feeding by a step feeding mechanism of the engine cylinder honing machine, wherein the stroke is 800mm, and sequentially transmitting the cylinders according to stations.
During posture adjustment, the guide rod 53 is connected with the material adjusting mechanism 60 through a flat key, the guide rod 53 is connected with the guide column 55 in a matched mode, the guide rod 53 slides in the guide column 55, the guide rod rotates around the rotation center of the material adjusting mechanism 60, the step feeding mechanism of the engine cylinder honing machine feeds materials, the material adjusting mechanism 60 of the previous station moves to the second position, the guide rod 53 slides in the guide column 55, the guide column is fixed, and rotation of the material adjusting mechanism 60 is achieved.
The material adjusting mechanism 60 is characterized in that after the roller 62 supports the material bracket 60, the material bracket slides on the roller; the connecting plate 72 is fixed on the material bracket 56, the bearing seat 71 is fixed on the connecting plate 72, the deep groove ball bearing 69 is arranged in the bearing seat 71, the thrust ball bearing 67 is attached to the bearing bracket, the rotating shaft 59 is arranged in the inner hole of the deep groove ball bearing 69, and the lower end is locked by the locking nut 63; the guide rod 53 is connected to the rotation shaft 54 by a flat key and rotates following the rotation shaft. The guide post 55 is fixed on the mounting base 55, the guide rod 53 is assembled with the guide post in a matching way, and the guide rod 53 slides in the guide post 55 and can freely rotate.
The structure of the material adjusting mechanism is compact, three groups of bearings are arranged to support the rotating shaft, and the rotating shaft can adjust the position of the lower end through the guide rod 53 at the lower end in the moving process, and can also support the tray at the upper end to rotate to the designated position, so that the adjustment is convenient.
The foregoing detailed description is directed to one of the possible embodiments of the present invention, which is not intended to limit the scope of the invention, but is to be accorded the full scope of all such equivalents and modifications so as not to depart from the scope of the invention.
Claims (6)
1. The main shaft reciprocating device of the biaxial honing machine is characterized by comprising two main reciprocating cylinders which are respectively arranged on a lathe bed, wherein a piston rod of each main reciprocating cylinder is respectively connected with a double-feed cylinder, the piston rods of the double-feed cylinders are respectively connected with a main shaft, and the main shafts move up and down under the driving of the main reciprocating cylinders;
a fine honing rod and a coarse honing rod are respectively connected to each spindle, a coarse honing head is connected to the coarse honing rod, and a fine honing head is connected to the fine honing rod;
under the control of a numerical control system, the double-feed oil cylinder drives the two main shafts to sequentially and independently finish rough honing and finish honing, or one of the rough honing and finish honing is sequentially finished by the two main shafts;
the device also comprises a distance adjusting mechanism for adjusting the distance between the two main shafts, and the distance adjusting mechanism comprises a linear guide rail arranged on the upper lathe bed, wherein a first sliding block and a second sliding block are arranged on the linear guide rail; a first main shaft bracket is fixed on the first sliding block, and a second main shaft bracket is fixed on the second sliding block;
the first main shaft bracket is provided with a nut seat, an adjusting screw rod is arranged on the nut seat, the second main shaft bracket is provided with a fixed bearing seat, and a bearing is arranged on the fixed bearing seat; a lock nut is arranged at the end part of the adjusting screw rod extending out of the fixed bearing seat;
the locking nut connects the adjusting screw rod with the output shaft of the driving motor, and the adjusting screw rod rotates to drive the nut seat to move under the driving of the driving motor;
the spindle reciprocating device of the biaxial honing machine further comprises a step feeding mechanism for driving the workpiece to move, the step feeding mechanism comprises a material bracket arranged on the machine tool body, an adjusting plate is arranged below the material bracket, a row of swing arms are connected to the adjusting plate, all the swing arms are connected by the adjusting plate, the positions of the swing arms are adjusted, the swing arms are connected with an oil cylinder, and the swing arms are driven by the oil cylinder to rotate;
the material bracket is also provided with a material posture adjusting mechanism, and the material posture adjusting mechanism comprises a tray arranged above the material bracket, a roller arranged below the material posture adjusting mechanism, a rotating shaft which penetrates through the material bracket up and down and is connected to the lower end of the tray, and a connecting plate arranged below the material bracket;
the lower extreme of rotation axis be connected with the guide bar of level setting, the guide post of the vertical setting of end connection of guide bar, guide post bottom fixed mounting has the connecting seat.
2. The spindle reciprocation device of a biaxial honing machine according to claim 1, further comprising a control servo motor, a servo valve body in which a servo valve spool is provided;
the servo valve body is connected with a piston rod of the main reciprocating cylinder through a connecting mechanism, and a servo valve core is connected with a control servo motor to control the rotation of the servo motor.
3. The spindle reciprocation device of a biaxial honing machine according to claim 1, wherein the double feed cylinder comprises a rough honing cylinder and a fine honing cylinder connected in series, and a piston rod of the rough honing cylinder is a rough honing rod and is made into a hollow; the piston rod of the fine honing oil cylinder is a fine honing ejector rod, and the fine honing ejector rod passes through the core part of the coarse honing ejector rod and the coarse honing ejector rod to form a double-feed ejector rod.
4. The spindle reciprocation device of a biaxial honing machine as claimed in claim 1, wherein each of the double feed cylinders and a spindle are installed in a frame;
the outer side of the main shaft is provided with a main shaft guide sleeve which is arranged on the upper lathe bed.
5. The spindle reciprocation device of a biaxial honing machine according to claim 2, wherein vertical supports are provided on the first and second spindle supports, respectively, and the supports are fitted around the spindle.
6. The spindle reciprocation device of a biaxial honing machine as claimed in claim 4, wherein a main rotating motor is provided on the upper bed, an output shaft of the main rotating motor is connected to a driving sprocket, the driving sprocket drives a driven sprocket through a chain, the driven sprocket is connected to the spindle, and the spindle is driven to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109531398A (en) * | 2018-12-20 | 2019-03-29 | 苏州信能精密机械有限公司 | A kind of double feeding plover mill machines of full servo twin shaft |
| DE102019210548A1 (en) * | 2019-07-17 | 2021-01-21 | Kadia Produktion Gmbh + Co. | Honing machine |
| CN113183020A (en) * | 2021-05-19 | 2021-07-30 | 南京森尔南精密机床有限公司 | Stroke structure of horizontal honing machine |
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| JPH11347916A (en) * | 1998-06-11 | 1999-12-21 | Denso Corp | Honing device |
| CN1654167A (en) * | 2005-02-24 | 2005-08-17 | 上海交通大学 | Digital control vertical high precision honing machine |
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| CN103639894A (en) * | 2013-12-25 | 2014-03-19 | 四川富临集团成都机床有限责任公司 | Double feeding system of numerical control honing machine |
| CN104708526A (en) * | 2013-12-14 | 2015-06-17 | 郑州大地机械制造有限公司 | Dual-feed oil cylinder for honing machine |
| CN205394236U (en) * | 2016-03-10 | 2016-07-27 | 宁夏银川大河数控机床有限公司 | Two shaft type honing machine main shaft reciprocating motion device |
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| JPH11347916A (en) * | 1998-06-11 | 1999-12-21 | Denso Corp | Honing device |
| CN1654167A (en) * | 2005-02-24 | 2005-08-17 | 上海交通大学 | Digital control vertical high precision honing machine |
| CN101347921A (en) * | 2008-09-17 | 2009-01-21 | 宁夏银川大河数控机床有限公司 | Double cutting feed rotating seal main shaft of honing machine |
| CN101524827A (en) * | 2009-04-03 | 2009-09-09 | 宁夏银川大河数控机床有限公司 | Numeric control reciprocating drive unit of honing machine spindle |
| CN203438060U (en) * | 2013-08-27 | 2014-02-19 | 四川盛弘机械有限公司 | Double-spindle honing machine |
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| CN205394236U (en) * | 2016-03-10 | 2016-07-27 | 宁夏银川大河数控机床有限公司 | Two shaft type honing machine main shaft reciprocating motion device |
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| CN107175575A (en) | 2017-09-19 |
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