CN117564890A - Follow-up abrasive belt crankshaft grinder and control method - Google Patents

Follow-up abrasive belt crankshaft grinder and control method Download PDF

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Publication number
CN117564890A
CN117564890A CN202311582231.3A CN202311582231A CN117564890A CN 117564890 A CN117564890 A CN 117564890A CN 202311582231 A CN202311582231 A CN 202311582231A CN 117564890 A CN117564890 A CN 117564890A
Authority
CN
China
Prior art keywords
motor
crankshaft
abrasive belt
polisher
belt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202311582231.3A
Other languages
Chinese (zh)
Inventor
杨一董
周峰
张青
叶青
周佳伦
缪连新
何海斌
吴杰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo CSI Power Co ltd
Ningbo CSI Power & Machinery Group Co ltd
Original Assignee
Ningbo CSI Power Co ltd
Ningbo CSI Power & Machinery Group Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo CSI Power Co ltd, Ningbo CSI Power & Machinery Group Co ltd filed Critical Ningbo CSI Power Co ltd
Priority to CN202311582231.3A priority Critical patent/CN117564890A/en
Publication of CN117564890A publication Critical patent/CN117564890A/en
Pending legal-status Critical Current

Links

Classifications

    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/02—Machines or devices using grinding or polishing belts; Accessories therefor for grinding rotationally symmetrical surfaces
    • 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
    • B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • 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
    • B24B21/00—Machines or devices using grinding or polishing belts; Accessories therefor
    • B24B21/18—Accessories
    • B24B21/20—Accessories for controlling or adjusting the tracking or the tension of the grinding belt
    • 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
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B24B41/062—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically between centres; Dogs
    • 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
    • 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
    • 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
    • B24B47/22—Equipment for exact control of the position of the grinding tool or work at the start of the grinding operation
    • 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
    • B24B51/00—Arrangements for automatic control of a series of individual steps in grinding a workpiece
    • 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 belongs to the technical field of mechanical automation, and discloses a follow-up abrasive belt crankshaft grinder and a control method. The invention can polish the crankshaft in all directions along with synchronous overturning of the connecting rod diameter of the crankshaft, thereby improving polishing efficiency and quality.

Description

Follow-up abrasive belt crankshaft grinder and control method
Technical Field
The invention belongs to the technical field of mechanical automation, and particularly relates to a follow-up abrasive belt crankshaft grinder and a control method.
Background
The crankshaft comprises a front end shaft, a main journal, connecting rod journals, a crank, a counterweight, a rear end shaft and the like, wherein one connecting rod journal, the crank at both ends of the connecting rod journal and the main journal form a crank, the whole crankshaft structure is not on the same axis, at present, equipment capable of automatically polishing parts with different axes is lacking, a polishing tool which is commonly used in a crankshaft machining workshop is manual polishing, a manual abrasive belt polishing machine is used for manually holding an abrasive belt, and the equipment drives the crankshaft to rotate so as to realize polishing; the polishing efficiency is low, the precision is not high enough, the horizontal dependence on operators is large, and the quality is difficult to control.
Disclosure of Invention
The invention aims to provide a follow-up abrasive belt crankshaft grinder and a control method thereof, so as to solve the technical problems.
In order to solve the technical problems, the following technical scheme of the follow-up abrasive belt crankshaft grinder and the control method is as follows:
the utility model provides a follow-up abrasive band bent axle grinding machine, includes lathe bed, bent axle slewing mechanism, abrasive band polisher, polisher horizontal migration mechanism, polisher up-and-down movement mechanism and numerical control system, bent axle slewing mechanism fixed mounting is in the lathe bed both ends, polisher horizontal migration mechanism is installed in lathe bed one side, polisher up-and-down movement mechanism installs on polisher horizontal migration mechanism, drives along the lathe bed by polisher horizontal migration mechanism and controls the removal, abrasive band polisher is installed on polisher up-and-down movement mechanism, drives the surface of polishing that reciprocates in order to laminate the bent axle by polisher up-and-down movement mechanism, bent axle slewing mechanism, abrasive band polisher, polisher horizontal migration mechanism, polisher up-and-down movement mechanism are connected with the numerical control system electricity, by numerical control system control operation.
Further, the crankshaft rotating mechanism comprises a power part and a fixed part, the power part and the fixed part are respectively and fixedly arranged at two ends of the lathe bed, and the crankshaft is arranged between the power part and the fixed part and is driven by the power part to rotate.
Further, the power part comprises a power motor, a power head and a flange plate, the output end of the power motor is in transmission connection with the power head, the power head is fixedly connected with the flange plate, one end of the crankshaft is arranged on the flange plate, and the power motor drives the power head to rotate so as to drive the flange plate to rotate, so that the crankshaft is driven to rotate along the central shaft.
Further, the fixed part comprises a tail frame, a center and an adjusting device, wherein the tail frame is fixedly arranged at the tail end of the lathe bed, the center is arranged in the tail frame, the center of the center and the center of the flange plate are in the same straight line, the adjusting device is used for adjusting the extending length of the center so as to adapt to the lengths of different crankshafts, and the other end of each crankshaft is fixed on the center of the fixed part.
Further, polisher horizontal migration mechanism includes moving platform, horizontal migration motor, lead screw, control slider and slide rail, moving platform fixed mounting is in lathe bed one side, horizontal migration motor fixed mounting is in moving platform one end, the lead screw level is fixed in the middle of the moving platform, one end and horizontal migration motor output fixed connection, control the slider and fix on the moving platform, bottom and lead screw threaded connection, slide rail fixed mounting is in the moving platform both sides and parallel with the lead screw, control the slider bottom and have the draw runner, draw runner and slide rail sliding connection, horizontal migration motor rotates, drives the lead screw and rotates to drive control the slider and remove along the lead screw, control the slider and can be stable under the effect of slide rail.
Further, the up-and-down moving mechanism of the polishing machine comprises a fixing seat and a motor screw rod transmission mechanism, the fixing seat is fixedly arranged on the left sliding block and the right sliding block, the motor screw rod transmission mechanism is fixedly arranged on the fixing seat, the motor screw rod transmission mechanism and the polishing machine horizontal moving mechanism are identical in structure, the moving direction is a vertical direction, the motor screw rod transmission mechanism comprises an up-and-down moving motor and an up-and-down sliding block, and the up-and-down moving motor drives the up-and-down sliding block to move up and down along the fixing seat.
Further, the abrasive belt sander comprises a circular arc-shaped mounting plate, an abrasive belt motor, a belt wheel, an adjusting wheel and an abrasive belt, wherein the abrasive belt motor and the adjusting wheel are mounted at two ends of the mounting plate, the adjusting wheel is mounted in the middle of the mounting plate, the abrasive belt is mounted on the abrasive belt motor, the adjusting wheel and the belt wheel, the abrasive belt motor rotates to drive the abrasive belt to rotate, the abrasive belt is tangent to the surface of a crankshaft, the adjusting wheel is provided with an adjusting rod, one end of the adjusting rod is connected with a shaft of the mounting plate, one end of the adjusting rod is connected with a mandrel of the adjusting wheel shaft, an adjusting cylinder is fixedly mounted in the middle of the mounting plate, the output end of the adjusting cylinder is fixedly connected with the adjusting rod, and the adjusting cylinder contracts to drive the adjusting rod to rotate to adjust the height of the adjusting wheel, so that tension of the abrasive belt is adjusted.
Further, a protective cover is arranged at one side of the belt wheel at the tail end of the mounting plate.
Further, the power motor, the horizontal moving motor, the up-down moving motor, the abrasive belt motor and the adjusting cylinder are controlled to work by a numerical control system.
The invention also discloses a control method of the follow-up abrasive belt crankshaft grinder, which comprises the following steps:
step 1: firstly, inputting specification parameters of a crankshaft into a numerical control system, and fixedly mounting the crankshaft on a crankshaft rotating mechanism;
step 2: the numerical control system controls the work of each motor according to the main shaft diameter of the crankshaft, the crank diameter and the R-angle parameter of the crankshaft;
step 2.1: firstly, controlling a power motor to rotate to drive a crankshaft to rotate, then controlling a horizontal moving motor, an up-down moving motor and an abrasive belt motor to work, moving an abrasive belt of an abrasive belt sander to a front end shaft of the crankshaft, and sanding the front end shaft for a set time;
step 2.2: then according to the parameters of the crankshaft, a horizontal moving motor, an up-and-down moving motor and an abrasive belt motor are controlled to move to a connecting rod journal, the connecting rod journal is polished, and the up-and-down moving motor is continuously regulated in the polishing process of the connecting rod journal, so that the abrasive belt moves along with the connecting rod journal and is kept tangent to the surface of the connecting rod journal;
step 2.3: the extension and retraction of the adjusting cylinder are adjusted at different polishing positions according to the requirements, so that the tension of the abrasive belt is adjusted, and the polishing force requirement is ensured;
step 2.4: and after polishing for a set time, continuously controlling each motor to move, and finishing polishing all parts at the rear end.
The follow-up abrasive belt crankshaft grinder and the control method thereof have the following advantages: the invention discloses a follow-up abrasive belt grinding machine which uses an abrasive belt to grind all precise positions of a crankshaft. The crank shaft can be polished in all directions along with synchronous overturning of the crank shaft connecting rod diameter, and the technical problems of low manual polishing efficiency, uneven polishing and the like are well solved.
Drawings
FIG. 1 is a front view of a follow-up belt crank grinding machine of the present invention;
FIG. 2 is a top view of the follower belt pulley crankshaft grinder of the present invention;
FIG. 3 is a left side view of the follow-up belt crank grinding machine of the present invention;
FIG. 4 is a cross-sectional view of the belt sander of the present invention moved to position B;
FIG. 5 is a cross-sectional view of the belt sander of the present invention moved to position D;
the figure indicates: 1. a bed body; 2. a crankshaft rotation mechanism; 21. a power section; 211. a power motor; 212. a power head; 213. a flange plate; 22. a fixing portion; 221. a tailstock; 222. a center; 223. an adjusting device; 3. abrasive belt sander; 31. a mounting plate; 32. a belt motor; 33. a belt wheel; 34. an adjusting wheel; 341. an adjusting rod; 35. abrasive belt; 36. adjusting a cylinder; 37. a protective cover; 4. a polisher horizontal movement mechanism; 41. a mobile platform; 42. a horizontal movement motor; 43. a screw rod; 44. a left and right slider; 441. a slide bar; 45. a slide rail; 5. a polisher up-down movement mechanism; 51. a fixing seat; 52. a motor screw rod transmission mechanism; 521. a motor is moved up and down; 522. an upper and lower slider; 6. and (3) a crankshaft.
Detailed Description
For a better understanding of the objects, structure and function of the present invention, a follow-up belt crank grinding machine according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1-3, the follow-up abrasive belt crankshaft grinder comprises a lathe bed 1, a crankshaft rotating mechanism 2, an abrasive belt grinder 3, a grinder horizontal moving mechanism 4, a grinder vertical moving mechanism 5 and a numerical control system, wherein the crankshaft rotating mechanism 2 is fixedly arranged at two ends of the lathe bed 1, the grinder horizontal moving mechanism 4 is arranged at one side of the lathe bed 1, the grinder vertical moving mechanism 5 is arranged on the grinder horizontal moving mechanism 4, the grinder horizontal moving mechanism 4 drives the abrasive belt grinder 3 to move left and right along the lathe bed 1, the abrasive belt grinder 3 is arranged on the grinder vertical moving mechanism 5, and the grinder vertical moving mechanism 5 drives the abrasive belt grinder to move up and down to be attached to the polished surface of a crankshaft. The crankshaft rotating mechanism 2, the abrasive belt sander 3, the sander horizontal moving mechanism 4 and the sander up-and-down moving mechanism 5 are electrically connected with the numerical control system, and the numerical control system controls the operation.
The crankshaft rotating mechanism 2 comprises a power part 21 and a fixed part 22, wherein the power part 21 and the fixed part 22 are respectively and fixedly arranged at two ends of the machine body 1, the power part 21 comprises a power motor 211, a power head 212 and a flange 213, the output end of the power motor 211 is in transmission connection with the power head 212, the power head 212 is fixedly connected with the flange 213, the fixed part 22 comprises a tail frame 221, a tip 222 and an adjusting device 223, the tail frame 221 is fixedly arranged at the tail end of the machine body 1, the tip 222 is arranged in the tail frame 221, the center of the tip 222 and the center of the flange are in the same straight line, and the adjusting device 2223 is used for adjusting the extending length of the tip 222 so as to adapt to the lengths of different crankshafts. One end of the crankshaft 6 is mounted on the flange 213, and the other end is fixed on the center of the fixed portion 22, and the power motor 211 drives the power head 212 to rotate, so as to drive the flange 213 to rotate, thereby driving the crankshaft 6 to rotate along the central axis.
The horizontal moving mechanism 4 of the grinding machine comprises a moving platform 41, a horizontal moving motor 42, a screw rod 43, left and right sliding blocks 44 and a sliding rail 45, wherein the moving platform 41 is fixedly arranged on one side of the machine body 1, the horizontal moving motor 42 is fixedly arranged at one end of the moving platform 41, the screw rod 43 is horizontally fixed in the middle of the moving platform 41, one end of the screw rod is fixedly connected with the output end of the horizontal moving motor 42, the left and right sliding blocks 44 are fixed on the moving platform 41, the bottom of the screw rod is in threaded connection with the screw rod 43, the sliding rail 45 is fixedly arranged on two sides of the moving platform 41 and parallel to the screw rod 43, sliding strips 441 are arranged at the bottoms of the left and right sliding blocks 44, and the sliding strips 441 are in sliding connection with the sliding rail 45. The horizontal movement motor 42 rotates to drive the screw rod 43 to rotate, so that the left and right sliding blocks 44 are driven to move along the screw rod 43, and the left and right sliding blocks 44 can stably move left and right under the action of the sliding rail 45.
The polisher up-down moving mechanism 5 is fixedly installed on the left and right sliding blocks 44, and can move left and right along with the left and right sliding blocks 44, the polisher up-down moving mechanism 5 comprises a fixing seat 51 and a motor screw rod transmission mechanism 52, the fixing seat 51 is fixedly installed on the left and right sliding blocks 44, the motor screw rod transmission mechanism 52 is fixedly installed on the fixing seat 51, the motor screw rod transmission mechanism 52 and the polisher horizontal moving mechanism 4 are identical in structure, and the moving direction is the vertical direction, so that detailed structures are omitted. The motor screw transmission mechanism 52 includes an up-and-down movement motor 521 and an up-and-down slider 522, and the up-and-down movement motor 521 drives the up-and-down slider 522 to move up and down along the fixed seat 51.
The belt sander 3 is fixedly mounted on the upper and lower slider 522. As the up-down slider 522 moves up and down. Abrasive belt sander 3 includes circular arc mounting plate 31, abrasive belt motor 32, pulley 33, regulating wheel 34 and abrasive belt 35, and abrasive belt motor 32 and regulating wheel 34 are installed at the both ends of mounting plate 31, and regulating wheel 34 is installed in the middle of mounting plate 31, and abrasive belt 35 is installed on abrasive belt motor 32, regulating wheel 34 and pulley 33. The belt motor 32 rotates to drive the belt 35 to rotate, the belt 35 is tangent to the surface of the crankshaft 6, and the crankshaft 6 is polished. The adjusting wheel 34 is provided with an adjusting rod 341, one end of the adjusting rod 341 is connected with the shaft of the mounting plate 31, the other end of the adjusting rod 341 is connected with the shaft of the adjusting wheel 34, an adjusting cylinder 36 is fixedly arranged in the middle of the mounting plate 31, the output end of the adjusting cylinder 36 is fixedly connected with the adjusting rod 341, the adjusting cylinder 36 is contracted to drive the adjusting rod 341 to rotate so as to adjust the height of the adjusting wheel, and accordingly tension of the abrasive belt 35 is adjusted. The end of the mounting plate 31 is provided with a protective cover 37 on one side of the belt wheel to prevent cutting.
The power motor 211, the horizontal moving motor 42, the up-down moving motor 521, the abrasive belt motor 32 and the adjusting cylinder 36 in the invention are controlled to work by a numerical control system.
The control process of the follow-up abrasive belt crankshaft grinder is as follows:
step 1: first, the specification parameters of the crankshaft 6 are input to the numerical control system, and the crankshaft 6 is fixedly attached to the crankshaft rotation mechanism 2.
Step 2: the numerical control system controls the work of each motor according to the main shaft diameter of the crankshaft 6, the crank diameter and the R angle parameter of the crankshaft.
Step 2.1: firstly, controlling a power motor 211 to rotate so as to drive a crankshaft 6 to rotate, then controlling a horizontal moving motor 42, an up-down moving motor 521 and an abrasive belt motor 32 to work, moving an abrasive belt 35 of an abrasive belt sander 3 to a front end shaft of the crankshaft 6, and sanding the front end shaft for a set time;
step 2.2: then according to the parameters of the crankshaft, the horizontal moving motor 42, the up-and-down moving motor 521 and the abrasive belt motor 32 are controlled to move to the connecting rod journal, the connecting rod journal is polished, and the up-and-down moving motor 521 is continuously adjusted in the polishing process of the connecting rod journal, so that the abrasive belt 35 moves along with the connecting rod journal and is kept tangent to the surface of the connecting rod journal;
step 2.3: the extension and retraction of the adjusting cylinder 36 are adjusted at different polishing positions according to the requirements, so that the tension of the abrasive belt 35 is adjusted, and the polishing force requirement is ensured;
step 2.4: and after polishing for a set time, continuously controlling each motor to move, and finishing polishing all parts at the rear end. Fig. 4 and 5 show cross-sectional views of belt sander 3 moved to positions B and D.
It will be understood that the invention has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (10)

1. The utility model provides a follow-up abrasive band bent axle grinding machine, includes lathe bed (1), bent axle rotary mechanism (2), abrasive band polisher (3), polisher horizontal migration mechanism (4), polisher reciprocates mechanism (5) and numerical control system, bent axle rotary mechanism (2) fixed mounting is in lathe bed (1) both ends, polisher horizontal migration mechanism (4) are installed in lathe bed (1) one side, polisher reciprocates mechanism (5) are installed on polisher horizontal migration mechanism (4), are driven by polisher horizontal migration mechanism (4) and move about lathe bed (1), abrasive band polisher (3) are installed on polisher reciprocates mechanism (5), are driven by polisher reciprocates mechanism (5) and reciprocate in order to laminate the polishing surface of bent axle (6), bent axle rotary mechanism (2), abrasive band (3), polisher horizontal migration mechanism (4), polisher reciprocate mechanism (5) and numerical control system electricity are connected, are controlled the operation by numerical control system.
2. The follow-up abrasive belt crankshaft grinder according to claim 1, wherein the crankshaft rotation mechanism (2) comprises a power part (21) and a fixed part (22), the power part (21) and the fixed part (22) are respectively fixedly arranged at two ends of the lathe bed (1), and the crankshaft (6) is arranged between the power part (21) and the fixed part (22) and is driven to rotate by the power part (21).
3. The follow-up abrasive belt crankshaft grinder according to claim 2, wherein the power part (21) comprises a power motor (211), a power head (212) and a flange plate (213), the output end of the power motor (211) is in transmission connection with the power head (212), the power head (212) is fixedly connected with the flange plate (213), one end of the crankshaft (6) is installed on the flange plate (213), and the power motor (211) drives the power head (212) to rotate so as to drive the flange plate (213) to rotate, and thus the crankshaft (6) is driven to rotate along a central shaft.
4. A follow-up belt crank grinding machine according to claim 3, characterized in that the fixing part (22) comprises a tail frame (221), a center (222) and an adjusting device (223), the tail frame (221) is fixedly arranged at the tail end of the machine body (1), the center (222) is arranged in the tail frame (221), the center of the center (222) and the center of the flange plate (213) are in the same straight line, the adjusting device (223) is used for adjusting the extending length of the center (222) to adapt to the lengths of different crankshafts (6), and the other end of the crankshaft (6) is fixed on the center (222) of the fixing part (22).
5. The follow-up abrasive belt crankshaft grinding machine according to claim 1, wherein the grinding machine horizontal moving mechanism (4) comprises a moving platform (41), a horizontal moving motor (42), a screw rod (43), a left sliding block (44) and a sliding rail (45), the moving platform (41) is fixedly arranged on one side of the machine body (1), the horizontal moving motor (42) is fixedly arranged at one end of the moving platform (41), the screw rod (43) is horizontally fixed in the middle of the moving platform (41), one end of the screw rod is fixedly connected with the output end of the horizontal moving motor (42), the left sliding block (44) is fixed on the moving platform (41), the bottom of the screw rod is in threaded connection with the screw rod (43), the sliding rail (45) is fixedly arranged on two sides of the moving platform and is parallel to the screw rod (43), the bottom of the left sliding block (44) is provided with a sliding bar (441), the sliding bar (441) is in sliding connection with the sliding rail (45), the horizontal moving motor (42) rotates, and drives the screw rod (43) to rotate, so that the left sliding block (44) moves along the sliding rail (43), and the left sliding bar (45) can move left and right sliding block (44).
6. The follow-up abrasive belt crankshaft grinding machine according to claim 5, wherein the grinding machine up-and-down moving mechanism (5) comprises a fixed seat (51) and a motor screw rod transmission mechanism (52), the fixed seat (51) is fixedly arranged on the left slider (44) and the right slider (44), the motor screw rod transmission mechanism (52) is fixedly arranged on the fixed seat (51), the motor screw rod transmission mechanism (52) and the grinding machine horizontal moving mechanism (4) are identical in structure, the moving direction is a vertical direction, the motor screw rod transmission mechanism (52) comprises an up-and-down moving motor (521) and an up-and-down slider (522), and the up-and-down moving motor (521) drives the up-and-down slider (522) to move up-and-down along the fixed seat (51).
7. The follow-up abrasive belt crank grinding machine according to claim 6, wherein the abrasive belt grinding machine (3) comprises a circular arc-shaped mounting plate (31), an abrasive belt motor (32), a belt pulley (33), an adjusting wheel (34) and an abrasive belt (35), the abrasive belt motor (32) and the adjusting wheel (34) are mounted at two ends of the mounting plate (31), the adjusting wheel (34) is mounted in the middle of the mounting plate (31), the abrasive belt (35) is mounted on the abrasive belt motor (32), the adjusting wheel (34) and the belt pulley (33), the abrasive belt motor (32) rotates to drive the abrasive belt (35) to rotate, the abrasive belt (35) is tangent to the surface of the crankshaft (6) to grind the crankshaft (6), the adjusting wheel (34) is provided with an adjusting rod (341), one end of the adjusting rod (341) is connected with the mounting plate (31) through a shaft, an adjusting cylinder (36) is fixedly mounted in the middle of the mounting plate (31), the output end of the adjusting cylinder (36) is fixedly connected with the adjusting rod (341), and the adjusting cylinder (341) contracts to drive the adjusting rod (341) to rotate, so that the adjusting rod (341) rotates to adjust the height of the adjusting wheel (34) to adjust tension of the abrasive belt.
8. A follow-up belt crank grinding machine according to claim 7, characterized in that the end of the mounting plate (31) is provided with a protective cover (37) on the pulley (33) side.
9. The follow-up belt crank grinding machine according to claim 7, wherein the power motor (211), the horizontal moving motor (42), the up-and-down moving motor (521), the belt motor (32) and the adjusting cylinder (36) are controlled to work by a numerical control system.
10. A method of controlling a follow-up belt crank grinding machine according to any one of claims 1 to 9, comprising the steps of:
step 1: firstly, inputting specification parameters of a crankshaft (6) into a numerical control system, and fixedly mounting the crankshaft (6) on a crankshaft rotating mechanism (2);
step 2: the numerical control system controls the work of each motor according to the main shaft diameter of the crankshaft (6), the crank diameter and the R-angle parameter of the crankshaft (6);
step 2.1: firstly, controlling a power motor (211) to rotate so as to drive a crankshaft (6) to rotate, then controlling a horizontal moving motor (42), an up-down moving motor (521) and an abrasive belt motor (32) to work, moving an abrasive belt (35) of an abrasive belt sander (3) to a front end shaft of the crankshaft (6), and sanding the front end shaft for a set time;
step 2.2: then according to the parameters of the crankshaft (6), a horizontal moving motor (42), an up-and-down moving motor (521) and an abrasive belt motor (32) are controlled to move to a connecting rod journal, the connecting rod journal is polished, and the up-and-down moving motor (521) is continuously adjusted in the polishing process of the connecting rod journal, so that the abrasive belt (35) moves along with the connecting rod journal and is kept tangential to the surface of the connecting rod journal;
step 2.3: the expansion and contraction of the adjusting cylinder (36) are adjusted at different polishing positions according to the requirements, so that the tension of the abrasive belt (35) is adjusted, and the polishing force requirement is ensured;
step 2.4: and after polishing for a set time, continuously controlling each motor to move, and finishing polishing all parts at the rear end.
CN202311582231.3A 2023-11-24 2023-11-24 Follow-up abrasive belt crankshaft grinder and control method Pending CN117564890A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202311582231.3A CN117564890A (en) 2023-11-24 2023-11-24 Follow-up abrasive belt crankshaft grinder and control method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202311582231.3A CN117564890A (en) 2023-11-24 2023-11-24 Follow-up abrasive belt crankshaft grinder and control method

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Publication Number Publication Date
CN117564890A true CN117564890A (en) 2024-02-20

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Family Applications (1)

Application Number Title Priority Date Filing Date
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