CN115091351A - Inverted vertical inner circle honing machine - Google Patents
Inverted vertical inner circle honing machine Download PDFInfo
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- CN115091351A CN115091351A CN202210825504.1A CN202210825504A CN115091351A CN 115091351 A CN115091351 A CN 115091351A CN 202210825504 A CN202210825504 A CN 202210825504A CN 115091351 A CN115091351 A CN 115091351A
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- honing
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- 230000007246 mechanism Effects 0.000 claims abstract description 135
- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000003825 pressing Methods 0.000 claims description 15
- 238000003754 machining Methods 0.000 claims description 10
- 230000003028 elevating effect Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 35
- 238000009434 installation Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 8
- 239000003638 chemical reducing agent Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000009286 beneficial effect 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
- B24B33/02—Honing machines or devices; Accessories therefor designed for working internal surfaces of revolution, e.g. of cylindrical or conical shapes
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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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- 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
- B24B41/06—Work supports, e.g. adjustable steadies
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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
- B24B47/02—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables
- B24B47/04—Drives or gearings; Equipment therefor for performing a reciprocating movement of carriages or work- tables by mechanical gearing only
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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
- B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power
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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)
- Physics & Mathematics (AREA)
- Geometry (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The invention relates to the field of grinding processing equipment, in particular to an inverted vertical internal honing machine, which comprises a honing rack, wherein the honing rack is sequentially provided with a reciprocating transmission mechanism, a reciprocating rack mechanism, a cutter assembly, a cutter main shaft mechanism, a main shaft power unit, a cutter feeding mechanism and a cutter compensation mechanism from top to bottom; the reciprocating transmission mechanism drives the reciprocating rack mechanism to realize the reciprocating motion of the reciprocating rack mechanism; the main shaft power unit drives the tool main shaft mechanism to rotate so as to realize the rotation of the tool assembly, and the grinding processing of the inner cavity of the workpiece is completed by the matching of the reciprocating motion of the reciprocating rack mechanism and the rotation of the tool assembly; the inverted vertical inner circle honing machine can quickly finish workpiece installation, saves processing time, and effectively improves processing efficiency by matching reciprocating motion with rotating motion.
Description
Technical Field
The invention relates to the field of grinding equipment, in particular to an inverted vertical internal honing machine.
Background
The cylinder sleeve of the internal combustion engine is an important part of the internal combustion engine, the finish machining of the inner hole of the cylinder sleeve is a main process in the processing process of the cylinder, and the finish and the size of the inner hole of the cylinder sleeve directly influence the technical performance and the application effect of the cylinder; the cylinder liner is generally implemented by a honing device.
Most of the existing honing machines adopt a vertical honing machine, such as a vertical numerical control honing machine special for a train internal combustion engine cylinder sleeve, which is disclosed in the patent application number of '202011099860.7', the working principle of the honing machine is that a main shaft rotating speed and reciprocating precision are controlled by an operation control system, a honing machine clamp is fixed on a workbench, a cylinder sleeve workpiece to be processed is clamped and inserted into the clamp from the lower part of the honing machine, then the workbench drives the honing machine clamp to ascend to a designated honing area for honing, and after the honing is finished, the workbench drives the honing machine clamp to descend and reset, and the cylinder sleeve is taken out. The mode that this kind of honing machine lower part clamping upwards was in the clamping process can not directly perceivedly obtain clamping location whether accurate, if the clamping position is inaccurate then can cause the cylinder jacket top to be honed and damaged, need operating personnel to have certain numerical control operating capability simultaneously, and the workstation drives honing machine anchor clamps and goes up and down and then realize honing process, increases process time, greatly reduced machining efficiency, unsatisfied production demand.
Disclosure of Invention
In order to solve the technical problems that the conventional equipment has long workpiece honing time, low processing efficiency and can not meet the production requirements, the invention provides an inverted vertical inner circle honing machine.
The technical problem of the invention is realized by the following technical scheme: a reverse vertical internal honing machine comprises a honing rack, wherein a reciprocating transmission mechanism is arranged at the top of the honing rack, the reciprocating transmission mechanism is rotationally connected with a reciprocating rack mechanism, and the reciprocating rack mechanism is connected with the honing rack in a sliding manner; a workpiece pressing mechanism is arranged on the reciprocating rack mechanism, a main shaft bearing assembly is arranged at the lower part of the honing rack, a cutter main shaft mechanism is rotatably arranged on the main shaft bearing assembly, a cutter assembly is arranged at the upper part of the cutter main shaft mechanism, a cutter compensating mechanism is arranged at the bottom of the honing rack, a cutter feeding mechanism is arranged at the upper part of the cutter compensating mechanism, and the cutter feeding mechanism is rotatably connected with the cutter main shaft mechanism; the cutter main shaft mechanism is connected with a main shaft power unit to drive the cutter main shaft mechanism to rotate.
By using the technical scheme, the reciprocating transmission mechanism drives the reciprocating rack mechanism to realize reciprocating motion in the vertical direction, the main shaft power unit directly drives the cutter assembly to rotate through the cutter main shaft mechanism, and the reciprocating motion and the rotating motion are matched to quickly realize inner cavity grinding of a workpiece, so that the machining efficiency is improved; the workpiece buckling device can quickly complete workpiece installation on a reciprocating rack mechanism at the position of the cutter assembly, effectively avoids a clamping mode from bottom to top, improves clamping speed, can avoid grinding the end face of a workpiece by the cutter, does not need a complex numerical control operation process, reduces operation difficulty and reduces equipment manufacturing cost.
Preferably, the tool spindle mechanism comprises an outer tool spindle and an inner pushing spindle, the outer tool spindle is rotatably connected with a spindle bearing assembly, the top of the outer tool spindle is provided with the tool assembly, the inner cavity of the outer tool spindle is slidably provided with the inner pushing spindle, and the bottom of the inner pushing spindle is rotatably connected with a tool feeding mechanism; and a main shaft power unit is connected to the shaft body of the outer main shaft of the cutter to drive the outer main shaft of the cutter to rotate.
Preferably, the cutter assembly comprises a cutter shaft rod, a cutter push rod, a conical block and a grinding cutter set; a cutter push rod is arranged in the cutter shaft rod in a sliding manner, a conical rod is fixedly arranged at the upper part of the cutter push rod, and a conical block is arranged on the cutter shaft rod at the side part of the conical rod in a sliding manner; and a grinding cutter set is slidably mounted on the cutter shaft rod outside the conical block.
By using the technical scheme, under the driving action of the main shaft power unit, the outer main shaft of the cutter realizes the rotary motion on the honing rack through the main shaft bearing assembly, so that the rotary motion of the cutter assembly is realized, and the grinding of the inner cavity of a workpiece is finished; the pushing inner spindle realizes the rapid feeding of the cutter assembly through the cutter feeding mechanism so as to meet the grinding processing of the inner cavity of the workpiece and realize the expansion of the grinding cutter set.
Preferably, the reciprocating stage mechanism comprises a stage connecting rod, a first reciprocating stage, a second reciprocating stage and an adjusting nut; the top of the rack connecting rod is rotationally connected with a reciprocating transmission mechanism, and the rack connecting rod is connected with the honing rack in a sliding manner; the bottom of the rack connecting rod is connected with a first reciprocating rack through an adjusting nut and bolt, and a workpiece pressing mechanism is mounted on the first reciprocating rack; the lower part of the first reciprocating rack is fixedly connected with a second reciprocating rack, and the second reciprocating rack is connected with the honing rack in a sliding manner; the cutter assembly extends through the second reciprocating carriage.
Through using above technical scheme, the bolt fixed connection of rack connecting rod and first reciprocal rack through adjusting nut realizes reciprocal feeding roll adjustment of reciprocal rack mechanism, and work piece hold-down mechanism realizes that the work piece presss from both sides tightly fixedly on the reciprocal rack of second.
Preferably, a workpiece machining table is arranged on the second reciprocating rack, the workpiece machining table is in bolt connection with the second reciprocating rack, and a positioning pin shaft is arranged on the workpiece machining table.
Through using the technical scheme, the bolt connection of the workpiece processing table and the second reciprocating rack meets the use requirements of different workpiece processing, and the arrangement of the positioning pin shaft is matched with the inherent hole of the end face of the workpiece, so that the workpiece can be clamped and positioned quickly.
Preferably, the cutter feeding mechanism comprises a feeding cylinder and a pushing bearing group, the feeding cylinder is installed on the cutter compensation mechanism, the top of the feeding cylinder is provided with the pushing bearing group, and the pushing bearing group is rotatably connected with the pushing inner spindle.
Through using above technical scheme, feed the cylinder and realize cutter unit's quick inflation, push away bearing group and push away the interior main shaft rotation of interior main shaft and be connected can realize simultaneously with the synchronous rotary motion of cutter outer main shaft.
Preferably, the tool compensation mechanism comprises a compensation lifting assembly and a compensation lifting platform, the compensation lifting assembly is fixedly installed at the bottom of the honing rack, the top of the compensation lifting assembly is connected with the compensation lifting platform, and the compensation lifting platform can slide relative to the honing rack through the compensation lifting assembly.
Through using above technical scheme, compensation lift subassembly drives compensation elevating platform vertical motion, and then realizes cutter unit's lift feed motion to satisfy the inner chamber grinding of different work pieces and feed the demand.
Preferably, the spindle power unit comprises a transmission gear, a driving gear and a spindle motor, the transmission gear is fixedly arranged on a shaft body of the outer spindle of the cutter, the transmission gear is meshed with the driving gear, and the driving gear is fixedly arranged on the spindle motor.
Preferably, the reciprocating transmission mechanism comprises a reciprocating motor, a stroke adjusting block, a rotating shaft connecting rod and a reciprocating rocker, the reciprocating motor is fixedly installed at the top of the honing rack, the stroke adjusting block is fixedly connected to the driving end of the reciprocating motor, the stroke adjusting block is fixedly connected with the rotating shaft connecting rod, the reciprocating rocker is rotatably connected to the end of the rotating shaft connecting rod, and the reciprocating rocker is rotatably connected with the reciprocating lifting rack.
Preferably, the rotating shaft connecting rod is provided with an adjusting screw rod in a penetrating mode, and the adjusting screw rod is connected with the stroke adjusting block through a bolt.
Through using above technical scheme, adjusting screw can change the relative position relation between pivot connecting rod and the stroke regulating block to the reciprocal lift stroke of realizing reciprocal rack mechanism changes.
In summary, the invention has the following beneficial effects:
1. the reciprocating transmission mechanism of the inverted vertical inner circle honing machine directly drives the reciprocating rack mechanism to realize reciprocating motion in the vertical direction, the main shaft power unit directly drives the cutter assembly to rotate through the cutter main shaft mechanism, and the reciprocating motion and the rotating motion are matched to quickly realize the inner cavity grinding of a workpiece, so that the processing efficiency is improved; unnecessary time waste is reduced; workpiece buckling is arranged on a reciprocating rack mechanism at the position of a cutter assembly, workpiece installation can be completed quickly, clamping speed is increased, the problems of clamping inconvenience and inaccurate positioning caused by a lower clamping mode and upper clamping mode are effectively solved, a cutter can be prevented from grinding the end face of a workpiece, only a control system is required to control a reciprocating transmission mechanism simultaneously, grinding work of an inner cavity of the workpiece can be completed by opening and closing a main shaft power unit and compressing and stretching the workpiece compressing mechanism and the cutter feeding mechanism, size parameters required by workpiece processing are adjusted in advance by adjusting a cutter compensation mechanism and the reciprocating transmission mechanism, a complex numerical control process is not required, operation difficulty of workers is reduced, and equipment manufacturing cost is lower.
2. Under the driving action of the main shaft power unit, the outer main shaft of the cutter realizes the rotary motion on the honing rack through the main shaft bearing assembly, so that the rotary motion of the cutter assembly is realized, and the grinding of an inner cavity of a workpiece is finished; the pushing inner spindle achieves rapid expansion of the cutter assembly through the feeding cylinder so as to meet the requirement of grinding machining of the inner cavity of the workpiece and achieve expansion of the grinding cutter set.
3. According to the invention, the cutter compensation mechanism realizes vertical movement of the cutter assembly, so that the position adjustment requirements of grinding of different cutter assemblies are met, meanwhile, the detachable connection of the workpiece workbench meets the requirement of adapting to different cutter assemblies, and the positioning pin shaft realizes accurate positioning of workpiece processing.
4. According to the invention, the relative position relation between the rotating shaft connecting rod and the stroke adjusting block can be changed by adjusting the bolt connection of the screw rod and the stroke adjusting block, so that the reciprocating stroke of the reciprocating lifting rack is adjusted; the rack connecting rod is connected with the bolt of the first reciprocating rack to realize reciprocating feeding distance adjustment of the reciprocating rack mechanism.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a reciprocating transmission mechanism and its connection structure;
FIG. 3 is a schematic view of a tool spindle mechanism and its connection structure;
FIG. 4 is a schematic view of a compensating lift mechanism and its connection structure;
fig. 5 is a schematic view of the structure of the cutter assembly.
Description of reference numerals:
1. honing the frame; 2. a reciprocating transmission mechanism; 201. a reciprocating motor; 202. a stroke adjusting block; 2021. connecting the rotating shaft; 2022. an adjusting block; 203. a rotating shaft connecting rod; 204. a reciprocating rocker;
3. a reciprocating stage mechanism; 301. a gantry link; 302. a first reciprocating stage; 303. a second reciprocating gantry; 304. adjusting the nut;
4. a workpiece pressing mechanism; 5. a spindle bearing assembly; 501. a first bearing assembly; 502. a second bearing assembly; 6. a tool spindle mechanism; 601. a tool outer spindle; 602. pushing the inner main shaft; 7. a cutter assembly; 701. a cutter shaft lever; 702. a cutter pusher; 703. a conical rod; 704. a conical block; 705. grinding the cutter set;
8. a tool compensation mechanism; 801. a compensating lift assembly; 8011. a stationary housing; 8012. a lead screw nut; 8013. a lifting screw rod; 8014. a transmission link; 802. a compensating lift table;
9. a tool feeding mechanism; 901. a feed cylinder; 902. pushing the bearing group;
10. a main shaft power unit; 1011. a transmission gear; 1012. a drive gear; 1013. a spindle motor;
11. a workpiece processing table; 12. positioning a pin shaft; 13. and adjusting the screw rod.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
The invention discloses a reverse vertical internal-circle honing machine, which comprises a honing rack 1, wherein a reciprocating transmission mechanism 2 is arranged at the top of the honing rack 1, the reciprocating transmission mechanism 2 is rotationally connected with a reciprocating rack mechanism 3, and the reciprocating rack mechanism 3 is connected to the honing rack 1 in a sliding manner; the reciprocating rack mechanism 3 is driven by the reciprocating transmission mechanism 2 to reciprocate along the vertical direction of the honing rack 1; a workpiece pressing mechanism 4 is arranged on the reciprocating rack mechanism 3, and the workpiece pressing mechanism 4 is pressed by a cylinder to realize the pressing and fixing of the workpiece; a main shaft bearing assembly 5 is arranged in the middle of a lower frame body of the honing frame 1, a cutter main shaft mechanism 6 is rotatably mounted on the main shaft bearing assembly 5, a cutter assembly 7 is arranged on the upper portion of the cutter main shaft mechanism 6, the cutter assembly 7 extends into the reciprocating rack mechanism 3, a cutter compensating mechanism 8 is arranged at the bottom of the honing frame 1, a cutter feeding mechanism 9 is arranged on the upper portion of the cutter compensating mechanism 8, and the cutter feeding mechanism 9 is rotatably connected with the cutter main shaft mechanism 6; the tool spindle mechanism 6 is connected to a spindle power unit 10 for driving the tool spindle mechanism 6 to rotate, thereby realizing a rotational movement of the tool assembly 7. The reciprocating rack mechanism 2 is buckled with a workpiece, the workpiece is compressed by the workpiece compressing mechanism 4, and the reciprocating motion of the reciprocating rack mechanism 2 is matched with the rotating motion of the cutter component 7, so that the grinding work of the inner cavity of the workpiece is rapidly completed. Meanwhile, parameters such as reciprocating stroke, cutter feeding amount and the like are preset standards, and the control system controls the starting and stopping of the driving motors of the reciprocating transmission mechanism 2 and the main shaft power unit 10 and the working of the cylinders of the workpiece pressing mechanism 4 and the cutter compensating mechanism 8 to complete the workpiece process.
The rotary motion of the cutter assembly 7 in the present application is mainly achieved by the cooperation of the following parts:
as shown in fig. 3, 4 and 5, includes a tool spindle mechanism 6, a tool assembly 7, a tool feed mechanism 9 and a spindle power unit 10;
the tool spindle mechanism 6 comprises a tool outer spindle 601 and a pushing inner spindle 602, the spindle bearing assembly 5 comprises a first bearing assembly 501 and a second bearing assembly 502, and the first bearing assembly 501 and the second bearing assembly 502 are respectively mounted on the lower honing rack 1 in the vertical direction; the first bearing assembly 501 comprises a main shaft sleeve and a bearing piece, the main shaft sleeve is fixedly arranged on the honing rack 1, and the bearing piece is arranged in an inner cavity of the main shaft sleeve; the first bearing assembly 501 rotatably mounts the outer spindle 601 of the tool through a bearing member; the structure of the second bearing assembly 502 is similar to that of the first bearing assembly 501; a tool outer main shaft 601 is rotatably arranged between the first bearing assembly 501 and the second bearing assembly 502, the tool outer main shaft 601 can rotate relative to the honing rack 1, a pushing inner main shaft 602 is arranged in the inner cavity of the tool outer main shaft 601 in a sliding manner, and the lower end of the pushing inner main shaft 602 extends out of the tool outer main shaft 601 and is rotatably connected with a tool feeding mechanism 9; the top of the outer main shaft 601 of the cutter is provided with a cutter component 7, the shaft body of the outer main shaft 601 of the cutter is connected with a main shaft power unit 10 through a key, and the main shaft power unit 10 drives the outer main shaft 601 of the cutter to rotate, so that the cutter component 7 is driven to rotate.
The cutter assembly 7 comprises a cutter shaft 701, a cutter push rod 702, a conical rod 703, a conical block 704 and a grinding cutter set 705; the bottom of the cutter shaft lever 701 is detachably arranged on the cutter outer main shaft 601, a cutter push rod 702 is arranged in the cutter shaft lever 701 in a sliding mode, and the upper portion of the cutter push rod 702 is fixedly connected with a conical rod 703; the cutter push rod 702 and the pushing inner spindle 602 are on the same vertical axis, and a taper block 704 is slidably mounted on the cutter shaft lever 701 at the side of the conical rod 703; a grinding cutter set 705 is slidably mounted on the cutter shaft 701 outside the conical block 704.
The tool feeding mechanism 9 comprises a feeding cylinder 901 and a thrust bearing group 902, the feeding cylinder 901 is installed on the tool compensating mechanism 8, the thrust bearing group 902 is arranged at the extending end of the top of the feeding cylinder 901, the thrust bearing group 902 is rotatably connected with the thrust inner spindle 602 so as to realize the relative synchronous rotating motion of the thrust inner spindle 602 and the tool outer spindle 601, and meanwhile, the feeding cylinder 901 is relatively fixedly connected with the thrust inner spindle 602 so as to realize the vertical motion of the thrust inner spindle 601.
The main shaft power unit 10 comprises a transmission gear 1011, a driving gear 1012 and a main shaft motor 1013, wherein a spline is arranged on the shaft body of the cutter outer main shaft 601, the transmission gear 1011 and the cutter outer main shaft 601 are fixedly connected through the spline, the driving gear 1012 is meshed with the transmission gear 1011, the driving gear 1012 is fixedly arranged on the output shaft of the main shaft motor 1013, and the main shaft motor 1013 can be fixedly arranged on the honing rack 1; the main shaft motor 1013 is a speed reducing motor to meet the requirement of low rotating speed and high torque required during honing; the phenomenon of insufficient power caused by direct drive of the motor and control of the rotating speed through the frequency converter is avoided.
The working principle of the rotary motion of the cutter component 7 in the invention is as follows: the spindle power unit 10 is a power driving mechanism of the tool assembly 7, the spindle motor 1013 drives the tool outer spindle 601 to rotate through the gear transmission assembly, so as to drive the tool assembly 7 to rotate, meanwhile, the extending end of the feeding cylinder 901 is relatively and fixedly connected with the pushing inner spindle 602, the feeding cylinder 901 extends, the pushing inner spindle 602 pushes up, so as to drive the tool push rod 702 to move upwards, so as to push the conical rod 703 to move upwards, so that the conical block 704 moves relatively in a sliding manner, so as to drive the grinding tool set 705 to slide and expand along the circumferential direction, and finally, the grinding tool set 705 is attached to the inner cavity of the workpiece, so as to grind the inner cavity of the workpiece.
Further, a cutter compensation mechanism 8 is arranged at the bottom of the honing rack 1, and the cutter compensation mechanism 8 is used for adjusting the vertical position of the cutter assembly 7; the cutter compensating mechanism 8 comprises a compensating lifting component 801 and a compensating lifting platform 802, the compensating lifting component 801 is fixedly arranged at the bottom of the honing rack 1, the compensating lifting component 801 is of a ball screw structure, the top of the compensating lifting component 801 is fixedly connected with the compensating lifting platform 802, and the compensating lifting platform 802 can slide on the honing rack 1 through the compensating lifting component 801;
a compensation speed reducer 803 and a compensation hand wheel 804 are further arranged at the bottom of the compensation lifting platform 802, and the compensation speed reducer 803 is fixedly installed on a shell outside the compensation lifting assembly 801; the compensation speed reducer 803 is rotationally connected with a compensation hand wheel 804, and the compensation hand wheel 804 is fixed on the honing rack 1 through a bearing seat;
the method comprises the following specific steps: the compensation lifting assembly 801 comprises a fixed shell 8011, a screw nut 8012 is rotatably mounted in the fixed shell 8011 through a bearing piece, a lifting screw rod 8013 is connected with the screw nut 8012 in an internal thread, and the top of the screw rod 8013 is fixedly connected with a compensation lifting platform 802; a transmission connecting rod 8014 is fixedly arranged at the bottom of the screw nut 8012; the rotating connecting rod 8014 is the input end of the compensation lifting assembly 801, and can rotate synchronously with the output end of the compensation speed reducer 803;
by rotating the compensation hand wheel 804, the rotary motion of the compensation hand wheel 804 is transmitted to the compensation speed reducer 803, the horizontal rotary motion of the compensation hand wheel 804 is changed into vertical rotary motion by the compensation speed reducer 803 and is reduced in speed, and then the motion is synchronously transmitted to the transmission connecting rod 8014, so that the screw nut 8012 is driven to rotate, the screw nut 8012 is in threaded connection with the lifting screw 8013, so that the rotary motion is converted into the lifting motion of the lifting screw 8013, and the compensation lifting platform 802 is driven to vertically lift or descend, so that the compensation adjustment of the cutter assembly 7 is realized.
The reciprocating motion of the reciprocating rack mechanism 3 in the invention is mainly realized by matching the following parts:
as shown in fig. 2, includes a reciprocating transmission mechanism 2, a reciprocating stage mechanism 3, and an adjusting screw 13.
Wherein, the reciprocating transmission mechanism 2 comprises a reciprocating motor 201, a stroke adjusting block 202, a rotating shaft connecting rod 203 and a reciprocating rocker 204; the reciprocating motor 201 is a driving device for reciprocating transmission, adopts a speed reducing motor and is fixedly installed at the top of the honing rack 1, the driving end of the reciprocating motor 201 is fixedly connected with a stroke adjusting block 202, one end of a connecting rotating shaft 2021 of the stroke adjusting block 202 is fixedly connected with the driving end of the reciprocating motor 201, and the other end is fixedly provided with an adjusting block 2022; two ends of the adjusting block 2022 are provided with adjusting screws 13 in a penetrating manner, two ends of the adjusting screws 13 and two ends of the adjusting block 2022 are relatively and fixedly connected through nuts, a rotating shaft connecting rod 203 is fixedly arranged on the rod body of the adjusting screws 13, and the rotating shaft connecting rod 203 is relatively fixed with the stroke adjusting block 202 through the adjusting screws 13; a reciprocating rocker 204 is rotatably connected to an end of the rotation shaft link 203, and the reciprocating rocker 204 is rotatably connected to a table link 301 of the reciprocating elevating table 3.
The working principle of the reciprocating motion of the reciprocating lifting rack 3 is as follows: the reciprocating motor 201, the stroke adjusting block 202, the rotating shaft connecting rod 203 and the reciprocating rocker 204 form a crank rocker mechanism, the output end of the reciprocating motor 201 drives the stroke adjusting block 202 to rotate, and the rotating shaft connecting rod 203 and the stroke adjusting block 202 are not in the same axial direction, so that the reciprocating rocker 204 drives the reciprocating lifting rack 3 to reciprocate along the vertical direction of the honing rack 1. The rotating shaft connecting rod 203 changes the relative position relation with the stroke adjusting block 202 through the adjusting screw rod 13, thereby realizing the adjustment of the reciprocating stroke distance of the reciprocating lifting platform 3.
The reciprocating rack mechanism 3 comprises a rack connecting rod 301, a first reciprocating rack 302, a second reciprocating rack 303 and an adjusting nut 304; the top of the bench connecting rod 301 is rotationally connected with the reciprocating rocker 204 of the reciprocating transmission mechanism 2, and the bench connecting rod 301 is connected with the top of the honing rack 1 in a sliding way; the bottom of the rack connecting rod 301 is a threaded rod, the rack connecting rod 301 and the first reciprocating rack 302 are fixedly connected through a regulating nut 304 in a locking mode, the relative position of the rack connecting rod 301 and the first reciprocating rack 302 can be adjusted through the regulating nut 304, and fine adjustment of the reciprocating lifting mechanism 3 is achieved; a workpiece pressing mechanism 4 is mounted on the first reciprocating stage 302; the workpiece pressing mechanism 4 is a pressing cylinder which realizes pressing of the workpiece placed on the second reciprocating rack 303; the lower part of the first reciprocating rack 302 is fixedly connected with a second reciprocating rack 303, the second reciprocating rack 303 is a processing rack of a workpiece, and the middle part of the second reciprocating rack is provided with a hole for the cutter assembly 7 to pass through; the second reciprocating carriage 303 is slidably connected to the honing machine frame 1.
Furthermore, a workpiece processing table 11 is further arranged on the second reciprocating rack 303, the workpiece processing table 11 is in bolted connection with the second reciprocating rack 303, a hole for the cutter assembly 7 to pass through is formed in the middle of the workpiece processing table 11, a positioning pin shaft 12 is arranged on the workpiece processing table 11, and the positioning pin shaft 12 is matched with the hole which is inherently formed in the end face of the workpiece to be ground, so that the workpiece is accurately positioned on the workpiece processing table 11; the workpiece processing table 11 can be detached and replaced according to the types of the selected tool assembly 7 and the selected workpiece, and the diversified processing requirements of the workpiece are better met.
In summary, the working principle of the inverted vertical internal honing machine of the invention is as follows: the method comprises the following steps that a cylinder sleeve workpiece to be processed is buckled and placed on a workpiece processing table 11, the end face hole structure of the cylinder sleeve workpiece is embedded with a positioning pin shaft 12, then the workpiece is accurately positioned, and a control button of a control system is started; the pressing cylinder of the workpiece pressing mechanism 4 extends out to clamp and fix the workpiece on the workpiece processing table 11, the feeding cylinder 901 is pushed and extended out to complete the expansion of the grinding cutter set 705, so that the grinding cutter set 705 is attached to the inner cavity of the workpiece, the spindle motor 1013 is started to drive the cutter assembly 7 to rotate, the reciprocating motor 201 is started, the reciprocating transmission mechanism 2 drives the reciprocating rack mechanism 3 to reciprocate on the honing rack 1, so that the workpiece reciprocates, and the grinding processing of the inner cavity of the workpiece is completed through the cooperation of the reciprocating motion of the reciprocating rack mechanism 3 and the rotating motion of the cutter assembly 7.
While the invention has been described with reference to the preferred embodiments, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention.
Claims (10)
1. The utility model provides a vertical interior round honing machine of formula of putting conversely which characterized in that: the honing machine comprises a honing rack (1), wherein a reciprocating transmission mechanism (2) is arranged at the top of the honing rack (1), the reciprocating transmission mechanism (2) is rotationally connected with a reciprocating bench mechanism (3), and the reciprocating bench mechanism (3) is in sliding connection with the honing rack (1); a workpiece pressing mechanism (4) is arranged on the reciprocating rack mechanism (3), a main shaft bearing assembly (5) is arranged at the lower part of the honing rack (1), a cutter main shaft mechanism (6) is rotatably arranged on the main shaft bearing assembly (5), a cutter assembly (7) is arranged at the upper part of the cutter main shaft mechanism (6), a cutter compensating mechanism (8) is arranged at the bottom of the honing rack (1), a cutter feeding mechanism (9) is arranged at the upper part of the cutter compensating mechanism (8), and the cutter feeding mechanism (9) is rotatably connected with the cutter main shaft mechanism (6); the tool spindle mechanism (6) is connected with a spindle power unit (10) to drive the tool spindle mechanism (6) to rotate.
2. The inverted vertical internal honing machine of claim 1, wherein: the tool spindle mechanism (6) comprises a tool outer spindle (601) and a pushing inner spindle (602), the tool outer spindle (601) is rotatably connected with a spindle bearing assembly (5), a tool assembly (7) is mounted at the top of the tool outer spindle (601), the pushing inner spindle (602) is slidably arranged in an inner cavity of the tool outer spindle (601), and the bottom of the pushing inner spindle (602) is rotatably connected with a tool feeding mechanism (9); the main shaft power unit (10) is connected to the shaft body of the outer main shaft (601) of the cutter to drive the outer main shaft (601) of the cutter to rotate.
3. The inverted vertical internal honing machine of claim 2, wherein: the cutter assembly (7) comprises a cutter shaft rod (701), a cutter push rod (702), a conical rod (703), a conical block (704) and a grinding cutter set (705); a cutter push rod (702) is arranged in the cutter shaft rod (701) in a sliding mode, a conical rod (703) is fixedly arranged at the upper portion of the cutter push rod (702), and a conical block (704) is arranged on the cutter shaft rod (701) on the side portion of the conical rod (703) in a sliding mode; and a grinding cutter set (705) is arranged on the cutter shaft lever (701) outside the conical block (704) in a sliding way.
4. The inverted vertical internal honing machine of claim 1, wherein: the reciprocating rack mechanism (3) comprises a rack connecting rod (301), a first reciprocating rack (302), a second reciprocating rack (303) and an adjusting nut (304); the top of the rack connecting rod (301) is rotationally connected with a reciprocating transmission mechanism (2), and the rack connecting rod (301) is connected with the honing rack (1) in a sliding manner; the bottom of the rack connecting rod (301) is connected with a first reciprocating rack (302) through an adjusting nut (304) through a bolt, and a workpiece pressing mechanism (4) is installed on the first reciprocating rack (302); the lower part of the first reciprocating rack (302) is fixedly connected with a second reciprocating rack (303), and the second reciprocating rack (303) is connected with the honing rack (1) in a sliding way; the cutter assembly (7) extends through the second reciprocating carriage (303).
5. The inverted vertical internal honing machine according to claim 4, wherein: the workpiece machining table (11) is arranged on the second reciprocating rack (303), the workpiece machining table (11) is in bolt connection with the second reciprocating rack (303), and a positioning pin shaft (12) is arranged on the workpiece machining table (11).
6. The inverted vertical internal honing machine of claim 2, wherein: the tool feeding mechanism (9) comprises a feeding cylinder (901) and a pushing bearing group (902), the feeding cylinder (901) is installed on the tool compensation mechanism (8), the pushing bearing group (902) is arranged at the top of the feeding cylinder (901), and the pushing bearing group (902) is rotatably connected with the pushing inner spindle (602).
7. The inverted vertical internal honing machine according to claim 2, wherein: the tool compensation mechanism (8) comprises a compensation lifting assembly (801) and a compensation lifting platform (802), the compensation lifting assembly (801) is fixedly installed at the bottom of the honing rack (1), the top of the compensation lifting assembly (801) is connected with the compensation lifting platform (802), and the compensation lifting platform (802) can move in a sliding mode relative to the honing rack (1) through the compensation lifting assembly (801).
8. The inverted vertical internal honing machine according to claim 2, wherein: the main shaft power unit (10) comprises a transmission gear (1011), a driving gear (1012) and a main shaft motor (1013), the transmission gear (1011) is fixedly arranged on the shaft body of the outer main shaft (601) of the cutter, the transmission gear (1011) is meshed with the driving gear (1012), and the driving gear (1012) is fixedly arranged on the main shaft motor (1013).
9. The inverted vertical internal honing machine according to claim 1, wherein: reciprocating transmission mechanism (2) are including reciprocating motor (201), stroke control piece (202), pivot connecting rod (203) and reciprocal rocker (204), reciprocating motor (201) fixed mounting is at the top of honing frame (1), the drive end fixedly connected with stroke control piece (202) of reciprocating motor (201), stroke control piece (202) fixed connection pivot connecting rod (203), the tip of pivot connecting rod (203) rotates and is connected with reciprocal rocker (204), reciprocal rocker (204) rotates and connects reciprocal elevating platform frame (3).
10. The inverted vertical internal honing machine of claim 9, wherein: an adjusting screw rod (13) penetrates through the rotating shaft connecting rod (203), and the adjusting screw rod (13) is connected with the stroke adjusting block (202) through a bolt.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825504.1A CN115091351B (en) | 2022-07-14 | 2022-07-14 | Reverse vertical internal honing machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210825504.1A CN115091351B (en) | 2022-07-14 | 2022-07-14 | Reverse vertical internal honing machine |
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| CN115091351A true CN115091351A (en) | 2022-09-23 |
| CN115091351B CN115091351B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210825504.1A Active CN115091351B (en) | 2022-07-14 | 2022-07-14 | Reverse vertical internal honing machine |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116117525A (en) * | 2022-12-14 | 2023-05-16 | 广东瑞高智能科技有限公司 | Aluminum product bores mills equipment |
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| CN209615149U (en) * | 2019-01-15 | 2019-11-12 | 江苏红业生智能科技有限公司 | The grinding equipment of adjustable stroke |
| CN214213395U (en) * | 2020-11-18 | 2021-09-17 | 青岛丰光精密机械股份有限公司 | Processing honing machine for shock absorber pressure cylinder for high-speed train |
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| EP0478823A1 (en) * | 1990-10-03 | 1992-04-08 | Maschinenfabrik Gehring GmbH & Co. | Honing machine |
| JPH0825211A (en) * | 1994-07-08 | 1996-01-30 | Nisshin Seisakusho:Kk | Honing stick in-feed device and honing machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116117525A (en) * | 2022-12-14 | 2023-05-16 | 广东瑞高智能科技有限公司 | Aluminum product bores mills equipment |
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| CN115091351B (en) | 2024-04-09 |
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