CN110722437A - Precision grinding machine without clamping force - Google Patents
Precision grinding machine without clamping force Download PDFInfo
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- CN110722437A CN110722437A CN201911110109.XA CN201911110109A CN110722437A CN 110722437 A CN110722437 A CN 110722437A CN 201911110109 A CN201911110109 A CN 201911110109A CN 110722437 A CN110722437 A CN 110722437A
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- Prior art keywords
- gear ring
- servo motor
- direction adjusting
- gear
- index plate
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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
- B24B1/00—Processes of grinding or polishing; Use of auxiliary equipment in connection with such processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/0092—Grinding attachments for lathes or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- 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
- B24B41/06—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
- B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
- B24B55/06—Dust extraction equipment on grinding or polishing machines
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
The invention has the characteristics that: a precise grinding and leveling machine without clamping force comprises a lower machine body, wherein an upper machine body is fixedly arranged at the middle position above the lower machine body, left and right direction adjusting devices are respectively arranged on the lower machine body at two sides of the upper machine body, front and back direction adjusting devices are arranged on the left and right direction adjusting devices, a rotary fixing device is arranged on the front and back direction adjusting devices, a power grinding device is arranged above the rotary fixing device, the power grinding device is fixedly arranged at two sides of the top end of the upper machine body, and a dust cleaning device is arranged on the upper machine body between the power grinding device and the rotary fixing device; the servo motor controls the index plate to rotate in an indexing manner, manual operation is not needed, and the precision is high; the dust washing device washes away the scraps generated in the polishing process, so that the time for manually removing the scraps is saved, and the damage of the scraps to the health of machines and human bodies is avoided; the diamond grinding head is used for grinding, and has the advantages of high flatness, high hardness, long service time and excellent grinding effect.
Description
Technical Field
The invention belongs to the field of machining of gear rings of automobile brakes by accurate grinding, and particularly relates to a special machine and a grinding method for accurately grinding gear surfaces of the gear rings of the automobile brakes without external force clamping.
Background
At present, the suspension type (no external force clamping) workpiece grinding mode of the workpiece is difficult to realize for the automobile brake gear ring (refer to the gear ring drawing of figure 7) in China.
In the prior art, a grinding and flattening processing method for the tooth surface of the gear ring of the automobile brake generally adopts a surface grinding machine for processing, namely the gear ring is tightly sucked by a magnetic sucker, and then manual indexing processing is carried out by utilizing an indexing disc, and the process flow has the following defects: (1) the rotation movement of the gear ring in the grinding process needs manual operation, so that the problems of low precision and labor consumption exist; (2) because can produce a large amount of tiny sweeps among the grinding process, can cause harmful effects to operating personnel's healthy in the intangible, simultaneously, the sweeps can scatter on flat grinder and magnetic chuck, all will clear up the sweeps when changing the ring gear at every turn, consuming time power, and when not in place clearing up, the grinding can drop on magnetic chuck, cause the ring gear flank can not adsorb completely, lead to the ring gear flank to process the back geometric tolerance too big, the rejection rate increases.
The magnetic sucker has overlarge suction force, and when the gear ring has deformation, the magnetic sucker can adsorb the deformation, so that the deformation still exists after grinding; (3) the existing surface grinding machine only carries out a single-side grinding process, and has low efficiency; (4) the grinding wheel grinding head can have the phenomenon that particles fall off in the long-term grinding process, if the grinding head is not replaced in time, the grinding parallelism of the tooth surface of the gear ring can be influenced, and the unqualified product quantity is increased.
Disclosure of Invention
The invention aims to solve the problems in the background art and provides a precise grinding machine without clamping force.
The technical scheme of the invention is as follows:
the utility model provides a do not have accurate mill flat-bed machine of clamp force, including being trapezoidal lower lathe bed, the through connection board fixed mounting of lower lathe bed is subaerial, the intermediate position of lower lathe bed top has last lathe bed through connection board fixed mounting, lower lathe bed is divided into left operation interface and right operation interface by last lathe bed, be provided with y direction adjusting device on the left operation interface and on the right operation interface respectively, be provided with x direction adjusting device on two y direction adjusting device, be provided with rotatory fixing device on two x direction adjusting device, two rotatory fixing device tops are provided with power grinding device, two power grinding device pass through connecting plate fixed mounting in the both sides on last lathe bed top, be provided with the dust cleaning device on the last lathe bed between power grinding device and the rotatory fixing device.
The y-direction adjusting device comprises a y-direction adjusting hand wheel, the y-direction adjusting hand wheel is arranged on one side of the lower lathe bed, the y-direction adjusting hand wheel is connected with a ball screw through a key, two ends of the ball screw are fixedly installed in a bearing seat through bearings, the bearing seat is fixedly installed inside the lower lathe bed, a y-direction adjusting table is fixedly installed on a nut of the ball screw, two y-direction adjusting sliders are fixedly installed below the y-direction adjusting table, the two y-direction adjusting sliders are respectively installed on the y-direction adjusting linear guide rails in a sliding mode, the two y-direction adjusting linear guide rails are respectively arranged on two sides of the ball screw, and the two y-direction adjusting linear guide rails.
The x-direction adjusting device comprises an x-direction adjusting servo motor, the x-direction adjusting servo motor is fixedly installed on the lower bed body through a motor support, a rotating shaft of the x-direction adjusting servo motor is connected with a gear through a gear fixing frame, the gear fixing frame is fixedly installed on the y-direction adjusting table, the gear is connected with a rack in a meshing mode, the rack is perpendicular to a ball screw, the rack is fixedly installed at the lower end of the x-direction adjusting table, two x-direction adjusting sliders are fixedly installed below the x-direction adjusting table, the two x-direction adjusting sliders are respectively and slidably installed on the x-direction adjusting linear guide rails, the two x-direction adjusting linear guide rails are respectively and fixedly installed on the y-direction adjusting table, and the two x-direction adjusting linear guide.
Rotatory fixing device includes the rotation fixing platform, the rotation fixing platform passes through connecting plate fixed mounting on x direction adjustment table, fixed mounting has the motor support on the rotation fixing platform, install graduated disk servo motor on the motor support, graduated disk servo motor's output shaft passes through shaft coupling and turbine worm speed reducer input shaft, turbine worm speed reducer's output shaft passes through the spline housing with the input shaft of graduated disk and is connected, the input shaft of graduated disk sets up to the integral key shaft, graduated disk fixed mounting is on the rotation fixing platform, the cover is equipped with the ring gear mould on the graduated disk, the spacing draw-in groove of a ring gear has been seted up to the whole body of ring gear mould.
The power grinding device comprises a power head, the power head is fixedly installed on the upper bed body through a connecting plate, a power head motor is arranged above the power head, a diamond grinding head is fixedly installed at a drill bit installation opening at the lower end of the power head, and the diamond grinding head is located above the rotary fixing device.
The dust washing device comprises a dust washing box, the dust washing box is fixedly arranged on the side surface of the upper bed body and is adjacent to the rotary fixing device, a fan is arranged in the dust washing box, and a dust washing pipe is arranged below the dust washing box.
The upper bed body is also fixedly provided with a control box, and the control box is electrically connected with the power head, the fan, the x-direction adjusting servo motor and the graduated disk servo motor.
The invention also provides a grinding method of the precise grinding machine without clamping force, which comprises the following steps:
step S1: polishing the first surface of the gear ring by using a left operation interface, wherein the polishing steps are as follows:
step S11: fixing a gear ring by using a rotary fixing device, sleeving the gear ring on a gear ring mould of an index plate, clamping the lower end of the gear ring in a gear ring limiting groove, and enabling the gear ring to be higher than the gear ring mould;
step S12: adjusting the index plate to be right below the diamond grinding head by using a y-direction adjusting device;
step S13: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S14: the control box is utilized to start the power head, the fan, the x-direction adjustment servo motor and the graduated disk servo motor of the left operation interface, and the driving steps are as follows:
step S141: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S142: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S143: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S144: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S145: taking down the gear ring for later use;
step S2: and polishing the second surface of the gear ring after the first surface is polished by utilizing a right operation interface, wherein the polishing steps are as follows:
step S21: fixing the gear ring by using a rotary fixing device, sleeving the gear ring which is polished on one surface in the step S1 on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, wherein the gear ring is higher than the gear ring mould, and the non-polished surface of the gear ring faces upwards;
step S22: adjusting the index plate to be right below the diamond grinding head by using a y-direction adjusting device;
step S23: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S24: and starting a power head, a fan, an x-direction adjustment servo motor and an index plate servo motor of the right operation interface by using the control box, wherein the driving steps are as follows:
step S241: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S242: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S243: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S244: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S245: taking down the gear ring and boxing;
step S3: polishing the first surface of the gear ring by using a left operation interface, wherein the polishing steps are as follows:
step S31: adjusting the distance between the diamond grinding head and the gear ring by using the power head, sleeving the gear ring on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, and enabling the gear ring to be higher than the gear ring mould;
step S32: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S33: the control box is utilized to start the power head, the fan, the x-direction adjustment servo motor and the graduated disk servo motor of the left operation interface, and the driving steps are as follows:
step S331: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S332: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S333: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S334: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S335: taking down the gear ring for later use;
step S4: and (3) polishing the second surface of the gear ring by using a right operation interface, wherein the polishing steps are as follows:
step S41: adjusting the distance between the diamond grinding head and the gear ring by using the power head, sleeving the gear ring on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, enabling the gear ring to be higher than the gear ring mould, and enabling the non-polished surface of the gear ring to be upward;
step S42: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S43: and starting a power head, a fan, an x-direction adjustment servo motor and an index plate servo motor of the right operation interface by using the control box, wherein the driving steps are as follows:
step S431: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S432: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S433: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S434: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S435: taking down the gear ring and boxing;
step S5: and repeating the step S3 and the step S4 until all the gear rings needing to be ground are ground.
The invention has the following beneficial effects:
(1) the invention provides a clamping-force-free accurate grinding machine, which can carry out grinding without clamping a workpiece and thoroughly solves the technical problem that the grinding of the workpiece needs to be carried out after the workpiece is clamped in the prior art.
(2) The precise grinding machine without the clamping force provided by the invention washes off the scraps generated in the grinding process through the arranged dust washing device, thereby saving the time for manually removing the scraps and avoiding the damages of the scraps to the health of the machine and human body.
(3) The precision flat grinding machine without the clamping force is arranged to be capable of grinding on two sides, and one side is used as a reference surface for grinding the other side immediately after grinding, so that the efficiency is high, and the precision is high.
(4) The precision grinding machine without the clamping force provided by the invention uses the diamond grinding head, and the diamond grinding head has higher flatness, higher hardness, longer service time and excellent grinding effect.
(5) The precision grinding machine without the clamping force provided by the invention controls the index plate to rotate in an indexing manner through the index plate servo motor, does not need manual operation, is high in precision and saves labor.
(6) The double-sided dust washing device is designed, the ground waste scraps can be completely sucked into the cavity in the machining process, and the design can ensure the precision of machined products and the human health of operators.
Drawings
Fig. 1 is a linear perspective view of the present invention.
Fig. 2 is a projection view (side view) of fig. 1 along direction a.
Fig. 3 is a top view of fig. 1.
Fig. 4 is a sectional view of a front view.
Fig. 5 is an enlarged view of a portion B in fig. 1.
Fig. 6 is an enlarged view of a portion C in fig. 4.
FIG. 7 is a ring gear workpiece view.
Reference numerals: the device comprises a lower bed body 1, an upper bed body 2, a y-direction adjusting device 3, an x-direction adjusting device 4, a rotary fixing device 5, a power grinding device 6, a dust washing device 7, a connecting plate 8, a control box 9, a left operation interface 11, a right operation interface 12, a y-direction adjusting hand wheel 31, a ball screw 32, a bearing seat 33, a nut 34, a y-direction adjusting table 35, a y-direction adjusting slide block 36, a y-direction adjusting linear guide rail 37, an x-direction adjusting servo motor 41, a gear fixing frame 42, a gear 43, a rack 44, an x-direction adjusting table 45, an x-direction adjusting slide block 46, an x-direction adjusting linear guide rail 47, a rotary fixing table 51, a motor support 52, an index plate servo motor 53, a worm reducer 54, an index plate 55, a gear ring mold 56, a gear ring limiting clamping groove 56-1, a power head 61, a power head motor 61-1, A dust washing box 71 and a dust washing pipe 72.
Detailed Description
Referring to fig. 1: the utility model provides a no clamp force's accurate mill flat-bed machine, including being trapezoidal lower lathe bed 1, lower lathe bed 1 pass through connecting plate 8 fixed mounting subaerial, the intermediate position of lower lathe bed 1 top passes through connecting plate 8 fixed mounting and goes up lathe bed 2, lower lathe bed 1 is separated for left operation interface 11 and right operation interface 12 by last lathe bed 2, be provided with y direction adjusting device 3 on the left operation interface 11 and on the right operation interface 12 respectively, be provided with x direction adjusting device 4 on two y direction adjusting device 3, be provided with rotary fixing device 5 on two x direction adjusting device 4, be provided with power grinding device 6 above two rotary fixing device 5, two power grinding device 6 pass through connecting plate 8 fixed mounting in the both sides on last lathe bed 2 top, be provided with dust cleaning device 7 on the last lathe bed 2 between power grinding device 6 and rotary fixing device 5.
Referring to fig. 5 and 6: the y-direction adjusting device 3 comprises a y-direction adjusting hand wheel 31, the y-direction adjusting hand wheel 31 is arranged on one side of the lower bed body 1, the y-direction adjusting hand wheel 31 is connected with a ball screw 32 through a key, two ends of the ball screw 32 are fixedly arranged in a bearing block 33 through bearings, the bearing block 33 is fixedly arranged in the lower bed body 1, a y-direction adjusting table 35 is fixedly arranged on a nut 34 of the ball screw 32, two y-direction adjusting sliders 36 are fixedly arranged below the y-direction adjusting table 35, the two y-direction adjusting sliders 36 are respectively arranged on a y-direction adjusting linear guide rail 37 in a sliding manner, and the two y-direction adjusting linear guide rails 37 are respectively arranged on two sides of the ball screw 32 and fixedly arranged on the lower bed body 1;
the x-direction adjusting device 4 comprises an x-direction adjusting servo motor 41, the x-direction adjusting servo motor 41 is fixedly installed on the lower bed body 1 through a motor support 52, a rotating shaft of the x-direction adjusting servo motor 41 is connected with a gear 43 through a gear fixing frame 42, the gear fixing frame 42 is fixedly installed on a y-direction adjusting table 35, the gear 43 is connected with a rack 44 through a meshing mode, the rack 44 is perpendicular to a ball screw 32 and is fixedly installed at the lower end of the x-direction adjusting table 45, two x-direction adjusting sliders 46 are fixedly installed below the x-direction adjusting table 45, the two x-direction adjusting sliders 46 are respectively installed on an x-direction adjusting linear guide rail 47 in a sliding mode, the two x-direction adjusting linear guide rails 47 are respectively and fixedly installed on the y-direction adjusting table 35, and the two x-direction adjusting linear guide rails 47 are arranged in;
the rotary fixing device 5 comprises a rotary fixing table 51, the rotary fixing table 51 is fixedly installed on an x-direction adjusting table 45 through a connecting plate 8, a motor support 52 is fixedly installed on the rotary fixing table 51, an indexing disc servo motor 53 is installed on the motor support 52, an output shaft of the indexing disc servo motor 53 is connected with an input shaft of a worm and gear speed reducer 54 through a coupling, an output shaft of the worm and gear speed reducer 54 is connected with an input shaft of an indexing disc 55 through a spline sleeve, the input shaft of the indexing disc 55 is a spline shaft, the indexing disc 55 is fixedly installed on the rotary fixing table 51, a gear ring clamping fixture 56 is sleeved on the indexing disc 55, and a gear ring limiting clamping groove 56-1 is formed in the periphery of the gear ring clamping fixture 56.
Referring to fig. 2, the power grinding device 6 comprises a power head 61 (a ZX6350A drilling and milling machine power head), the power head 61 is fixedly installed on the upper bed 2 through a connecting plate 8, a motor of the power head 61 is arranged above the power head 61, a diamond grinding head 62 is fixedly installed at a drill bit installation port at the lower end of the power head 61, and the diamond grinding head 62 is positioned above the rotary fixing device 5;
referring to fig. 2: the dust washing device 7 comprises a dust washing box 71, the dust washing box 71 is fixedly arranged on the side surface of the upper bed body and is adjacent to the rotary fixing device 5, a fan is arranged in the dust washing box 71, and a dust washing pipe 72 is arranged below the dust washing box 71.
Referring to fig. 3: the upper bed body is also fixedly provided with a control box 9, and the control box 9 is electrically connected with the power head 61, the fan, the x-direction adjusting servo motor 41 and the graduated disk servo motor 53.
The grinding method of the precision flat grinding machine without clamping force provided by the invention is described in the following with reference to the attached drawings, and comprises the following steps:
step S1: utilize left operation interface 11 to polish ring gear first face, the step of polishing is as follows:
step S11: fixing the gear ring by using the rotary fixing device 5, sleeving the gear ring on a gear ring mould 56 of the index plate 55, clamping the lower end of the gear ring in a gear ring limiting groove 56-1, and enabling the gear ring to be higher than the gear ring mould 56;
step S12: the indexing disc 55 is adjusted to be right below the diamond grinding head 62 by the y-direction adjusting device 3;
step S13: the distance between the diamond grinding head 62 and the gear ring is adjusted by using the power head 61, so that the accurate tool consumption is ensured;
step S14: by using the control box 9, the power head 61, the blower, the x-direction adjustment servo motor 41 and the index plate servo motor 53 of the left operation interface 11 are started, and the driving steps are as follows:
step S141: the power head 61 drives the diamond grinding head 62 to rotate, the servo motor 41 is adjusted in the x direction to drive the index plate 55 to reciprocate in the x direction, the diamond grinding head 62 is guaranteed to grind in the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and are discharged by the dust washing pipe 72;
step S142: after the primary polishing is finished, the index plate servo motor 53 drives the index plate 55 to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer 54;
step S143: the x-direction adjustment servo motor 41 drives the index plate 55 to reciprocate along the x direction again, so that the diamond grinding head 62 grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and discharged by the dust washing pipe 72;
step S144: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the movement of the power head 61, the fan, the x-direction adjustment servo motor 41 and the index plate servo motor 53;
step S145: taking down the gear ring for later use;
step S2: and polishing the second surface of the gear ring after the polishing of the first surface is finished by utilizing the right operation interface 12, wherein the polishing steps are as follows:
step S21: fixing the gear ring by using a rotary fixing device 5, sleeving the gear ring which is polished on one surface in the step S1 on the gear ring mould 56 of the index plate 55, clamping the lower end of the gear ring in the gear ring limiting groove 56-1, wherein the gear ring is higher than the gear ring mould 56, and the non-polished surface of the gear ring faces upwards;
step S22: the indexing disc 55 is adjusted to be right below the diamond grinding head 62 by the y-direction adjusting device 3;
step S23: the distance between the diamond grinding head 62 and the gear ring is adjusted by using the power head 61, so that the accurate tool consumption is ensured;
step S24: by using the control box 9, the power head 61, the blower, the x-direction adjustment servo motor 41 and the index plate servo motor 53 of the right operation interface 12 are started, and the driving steps are as follows:
step S241: the power head 61 drives the diamond grinding head 62 to rotate, the servo motor 41 is adjusted in the x direction to drive the index plate 55 to reciprocate in the x direction, the diamond grinding head 62 is guaranteed to grind in the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and are discharged by the dust washing pipe 72;
step S242: after the primary polishing is finished, the servo motor 53 of the index plate 55 drives the index plate 55 to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer 54;
step S243: the x-direction adjustment servo motor 41 drives the index plate 55 to reciprocate along the x direction again, so that the diamond grinding head 62 grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and discharged by the dust washing pipe 72;
step S244: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head 61, the fan, the x-direction adjustment servo motor 41 and the index plate servo motor 53;
step S245: taking down the gear ring and boxing;
step S3: utilize left operation interface 11 to polish ring gear first face, the step of polishing is as follows:
step S31: adjusting the distance between the diamond grinding head 62 and the gear ring by using the power head 61, sleeving the gear ring on the gear ring mould 56 of the index plate 55, clamping the lower end of the gear ring in the gear ring limiting groove 56-1, and enabling the gear ring to be higher than the gear ring mould 56;
step S32: the distance between the diamond grinding head 62 and the gear ring is adjusted by using the power head 61, so that the accurate tool consumption is ensured;
step S33: by using the control box 9, the power head 61, the blower, the x-direction adjustment servo motor 41 and the index plate servo motor 53 of the left operation interface 11 are started, and the driving steps are as follows:
step S331: the power head 61 drives the diamond grinding head 62 to rotate, the servo motor 41 is adjusted in the x direction to drive the index plate 55 to reciprocate in the x direction, the diamond grinding head 62 is guaranteed to grind in the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and are discharged by the dust washing pipe 72;
step S332: after the primary polishing is finished, the index plate servo motor 53 drives the index plate 55 to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer 54;
step S333: the x-direction adjustment servo motor 41 drives the index plate 55 to reciprocate along the x direction again, so that the diamond grinding head 62 grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and discharged by the dust washing pipe 72;
step S334: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the movement of the power head 61, the fan, the x-direction adjustment servo motor 41 and the index plate servo motor 53;
step S335: taking down the gear ring for later use;
step S4: and (3) polishing the second surface of the gear ring by using the right operation interface 12, wherein the polishing steps are as follows:
step S41: adjusting the distance between the diamond grinding head 62 and the gear ring by using the power head 61, sleeving the gear ring on the gear ring mould 56 of the index plate 55, clamping the lower end of the gear ring in the gear ring limiting groove 56-1, wherein the gear ring is higher than the gear ring mould 56, and the non-polished surface of the gear ring faces upwards;
step S42: the distance between the diamond grinding head 62 and the gear ring is adjusted by using the power head 61, so that the accurate tool consumption is ensured; step S43: by using the control box 9, the power head 61, the blower, the x-direction adjustment servo motor 41 and the index plate servo motor 53 of the right operation interface 12 are started, and the driving steps are as follows:
step S431: the power head 61 drives the diamond grinding head 62 to rotate, the servo motor 41 is adjusted in the x direction to drive the index plate 55 to reciprocate in the x direction, the diamond grinding head 62 is guaranteed to grind in the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and are discharged by the dust washing pipe 72;
step S432: after the primary polishing is finished, the index plate servo motor 53 drives the index plate 55 to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer 54;
step S433: the x-direction adjustment servo motor 41 drives the index plate 55 to reciprocate along the x direction again, so that the diamond grinding head 62 grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box 71 by the fan impeller and discharged by the dust washing pipe 72;
step S434: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head 61, the fan, the x-direction adjustment servo motor 41 and the index plate servo motor 53;
step S435: taking down the gear ring and boxing;
step S5: and repeating the step S3 and the step S4 until all the gear rings needing to be ground are ground.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
1. The utility model provides a do not have accurate mill flat-bed machine of clamp force which characterized in that: including being trapezoidal lower lathe bed, lower lathe bed passes through connecting plate fixed mounting subaerial, the intermediate position of lower lathe bed top has last lathe bed through connecting plate fixed mounting, lower lathe bed is divided into left operation interface and right operation interface by last lathe bed, be provided with y direction adjusting device on the left operation interface and on the right operation interface respectively, be provided with x direction adjusting device on two y direction adjusting device, be provided with rotatory fixing device on two x direction adjusting device, two rotatory fixing device tops are provided with power grinding device, two power grinding device pass through the both sides on last lathe bed top of connecting plate fixed mounting, be provided with the dust cleaning device on the last lathe bed between power grinding device and the rotatory fixing device.
2. The non-clamping precision leveler of claim 1 wherein: the y-direction adjusting device comprises a y-direction adjusting hand wheel, the y-direction adjusting hand wheel is arranged on one side of the lower lathe bed, the y-direction adjusting hand wheel is connected with a ball screw through a key, two ends of the ball screw are fixedly installed in a bearing seat through bearings, the bearing seat is fixedly installed inside the lower lathe bed, a y-direction adjusting table is fixedly installed on a nut of the ball screw, two y-direction adjusting sliders are fixedly installed below the y-direction adjusting table, the two y-direction adjusting sliders are respectively installed on the y-direction adjusting linear guide rails in a sliding mode, the two y-direction adjusting linear guide rails are respectively arranged on two sides of the ball screw, and the two y-direction adjusting linear guide rails.
3. The non-clamping precision leveler of claim 1 wherein: the x-direction adjusting device comprises an x-direction adjusting servo motor, the x-direction adjusting servo motor is fixedly installed on the lower bed body through a motor support, a rotating shaft of the x-direction adjusting servo motor is connected with a gear through a gear fixing frame, the gear fixing frame is fixedly installed on the y-direction adjusting table, the gear is connected with a rack in a meshing mode, the rack is perpendicular to a ball screw, the rack is fixedly installed at the lower end of the x-direction adjusting table, two x-direction adjusting sliders are fixedly installed below the x-direction adjusting table, the two x-direction adjusting sliders are respectively and slidably installed on the x-direction adjusting linear guide rails, the two x-direction adjusting linear guide rails are respectively and fixedly installed on the y-direction adjusting table, and the two x-direction adjusting linear guide.
4. The non-clamping precision leveler of claim 1 wherein: rotatory fixing device includes the rotation fixing platform, the rotation fixing platform passes through connecting plate fixed mounting on x direction adjustment table, fixed mounting has the motor support on the rotation fixing platform, install graduated disk servo motor on the motor support, graduated disk servo motor's output shaft passes through shaft coupling and turbine worm speed reducer input shaft, turbine worm speed reducer's output shaft passes through the spline housing with the input shaft of graduated disk and is connected, the input shaft of graduated disk sets up to the integral key shaft, graduated disk fixed mounting is on the rotation fixing platform, the cover is equipped with the ring gear mould on the graduated disk, the spacing draw-in groove of a ring gear has been seted up to the whole body of ring gear mould.
5. The non-clamping precision leveler of claim 1 wherein: the power grinding device comprises a power head, the power head is fixedly installed on the upper bed body through a connecting plate, a power head motor is arranged above the power head, a diamond grinding head is fixedly installed at a drill bit installation opening at the lower end of the power head, and the diamond grinding head is located above the rotary fixing device.
6. The non-clamping precision leveler of claim 1 wherein: the dust washing device comprises a dust washing box, the dust washing box is fixedly arranged on the side surface of the upper bed body and is adjacent to the rotary fixing device, a fan is arranged in the dust washing box, and a dust washing pipe is arranged below the dust washing box.
7. The non-clamping precision leveler of claim 1 wherein: the upper bed body is also fixedly provided with a control box, and the control box is electrically connected with the power head, the fan, the x-direction adjusting servo motor and the graduated disk servo motor.
8. The grinding method of the precise grinding machine without the clamping force is characterized in that: the method comprises the following steps:
step S1: polishing the first surface of the gear ring by using a left operation interface, wherein the polishing steps are as follows:
step S11: the gear ring is fixed by the rotary fixing device and sleeved on the gear ring mould of the index plate. The lower end of the gear ring is clamped in the gear ring limiting groove, and the gear ring is higher than the gear ring mould;
step S12: adjusting the index plate to be right below the diamond grinding head by using a y-direction adjusting device;
step S13: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S14: the control box is utilized to start the power head, the fan, the x-direction adjustment servo motor and the graduated disk servo motor of the left operation interface, and the driving steps are as follows:
step S141: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S142: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S143: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S144: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S145: taking down the gear ring for later use;
step S2: and polishing the second surface of the gear ring after the first surface is polished by utilizing a right operation interface, wherein the polishing steps are as follows:
step S21: fixing the gear ring by using a rotary fixing device, sleeving the gear ring which is polished on one surface in the step S1 on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, wherein the gear ring is higher than the gear ring mould, and the non-polished surface of the gear ring faces upwards;
step S22: adjusting the index plate to be right below the diamond grinding head by using a y-direction adjusting device;
step S23: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S24: and starting a power head, a fan, an x-direction adjustment servo motor and an index plate servo motor of the right operation interface by using the control box, wherein the driving steps are as follows:
step S241: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S242: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S243: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S244: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S245: taking down the gear ring and boxing;
step S3: polishing the first surface of the gear ring by using a left operation interface, wherein the polishing steps are as follows:
step S31: adjusting the distance between the diamond grinding head and the gear ring by using the power head, sleeving the gear ring on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, and enabling the gear ring to be higher than the gear ring mould;
step S32: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S33: the control box is utilized to start the power head, the fan, the x-direction adjustment servo motor and the graduated disk servo motor of the left operation interface, and the driving steps are as follows:
step S331: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S332: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S333: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S334: repeating the step S142 and the step S143 until the first surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S335: taking down the gear ring for later use;
step S4: and (3) polishing the second surface of the gear ring by using a right operation interface, wherein the polishing steps are as follows:
step S41: adjusting the distance between the diamond grinding head and the gear ring by using the power head, sleeving the gear ring on a gear ring mould of the index plate, clamping the lower end of the gear ring in a gear ring limiting groove, enabling the gear ring to be higher than the gear ring mould, and enabling the non-polished surface of the gear ring to be upward;
step S42: the distance between the diamond grinding head and the gear ring is adjusted by using the power head, so that the accurate tool consumption is ensured;
step S43: and starting a power head, a fan, an x-direction adjustment servo motor and an index plate servo motor of the right operation interface by using the control box, wherein the driving steps are as follows:
step S431: the power head drives the diamond grinding head to rotate, the x-direction adjustment servo motor drives the index plate to reciprocate along the x-direction, the diamond grinding head is guaranteed to grind along the diameter direction of the gear ring, the gear ring is stressed in the diameter direction, so that the gear ring cannot loosen in the grinding process, and scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and are discharged by the dust washing pipe;
step S432: after the primary polishing is finished, the indexing disc servo motor drives the indexing disc to drive the gear ring to rotate by a certain angle under the action of the worm and gear reducer;
step S433: the x-direction adjustment servo motor drives the index plate to reciprocate along the x direction again, so that the diamond grinding head grinds the gear ring again, and the scraps generated in the grinding process are sucked into the dust washing box by the fan impeller and discharged by the dust washing pipe;
step S434: repeating the step S242 and the step S243 until the second surface of the gear ring is polished, and stopping the power head, the fan, the x-direction adjusting servo motor and the index plate servo motor;
step S435: taking down the gear ring and boxing;
step S5: and repeating the step S3 and the step S4 until all the gear rings needing to be ground are ground.
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|---|---|---|---|
| CN201911110109.XA CN110722437A (en) | 2019-11-13 | 2019-11-13 | Precision grinding machine without clamping force |
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| CN201911110109.XA CN110722437A (en) | 2019-11-13 | 2019-11-13 | Precision grinding machine without clamping force |
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| JPH10328998A (en) * | 1997-05-26 | 1998-12-15 | Isuzu Motors Ltd | Grooving device for cylinder bore and cylinder liner inner surface for internal combustion engine |
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