CN107186578B - Rotor groove grinding machine - Google Patents
Rotor groove grinding machine Download PDFInfo
- Publication number
- CN107186578B CN107186578B CN201710532635.XA CN201710532635A CN107186578B CN 107186578 B CN107186578 B CN 107186578B CN 201710532635 A CN201710532635 A CN 201710532635A CN 107186578 B CN107186578 B CN 107186578B
- Authority
- CN
- China
- Prior art keywords
- workpiece
- base
- trimming
- positioning
- grinding wheel
- 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.)
- Active
Links
Images
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
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/02—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding grooves, e.g. on shafts, in casings, in tubes, homokinetic joint elements
-
- 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
-
- 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
-
- 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
- B24B49/00—Measuring or gauging equipment for controlling the feed movement of the grinding tool or work; Arrangements of indicating or measuring equipment, e.g. for indicating 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/062—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels using rotary dressing tools
-
- 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
- B24B53/00—Devices or means for dressing or conditioning abrasive surfaces
- B24B53/06—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels
- B24B53/075—Devices or means for dressing or conditioning abrasive surfaces of profiled abrasive wheels for workpieces having a grooved profile, e.g. gears, splined shafts, threads, worms
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The rotor groove grinding machine comprises a machine body, a grinding wheel, a workpiece fixture mechanism, a workpiece positioning mechanism and a grinding wheel dressing mechanism, wherein the grinding wheel is sleeved on a grinding wheel main shaft, the grinding wheel main shaft is supported and installed on a grinding wheel box through a bearing, the grinding wheel box is fixedly installed on the machine body, the workpiece fixture mechanism and the grinding wheel dressing mechanism are respectively arranged on two sides of the grinding wheel box, and the workpiece positioning mechanism is installed on the grinding wheel box. The invention realizes the clamping and angle indexing of the workpiece through the workpiece fixture mechanism, thereby ensuring the stability of the workpiece during processing. The rotor groove is ensured to be matched and parallel with the grinding wheel through the positioning sheet of the workpiece positioning mechanism, so that the grinding wheel can accurately grind the rotor groove. According to the invention, the two end surfaces and the outer circular surface of the grinding wheel can be dressed through the grinding wheel dressing mechanism, so that the accuracy of the end surfaces and the outer circular surface of the grinding wheel is ensured. The invention has reasonable structural layout, high processing efficiency and accurate positioning, and can not damage the outer circular surface of the rotor.
Description
Technical Field
The invention belongs to the field of grinding machine equipment, and particularly relates to a rotor groove grinding machine.
Background
The rotor shown in fig. 1 is generally applied to products such as a vane pump, an automobile direction booster pump, an automobile air conditioner compressor rotor and the like, the key precision of the rotor is the flatness of two side faces of a radial groove formed in the outer peripheral face of the rotor, and therefore the groove of the rotor needs to be ground after the rotor is machined and formed.
Disclosure of Invention
Aiming at the defects of the existing rotor groove grinding machine, the invention aims to provide the rotor groove grinding machine with high positioning precision.
Therefore, the invention adopts the following technical scheme: the rotor groove grinding machine is characterized by further comprising a workpiece fixture mechanism, a workpiece positioning mechanism and a grinding wheel dressing mechanism, wherein the workpiece fixture mechanism and the grinding wheel dressing mechanism are respectively arranged on two sides of the grinding wheel box, and the workpiece positioning mechanism is arranged on the grinding wheel box;
the workpiece fixture mechanism comprises a workpiece sliding table, a pressure rod, an indexing disc and a rotary oil cylinder, the workpiece sliding table is arranged on a base of the lathe bed through a guide rail, a sliding block and a screw rod pair, the indexing disc is arranged on the workpiece sliding table and is driven to rotate through a motor, the motor controls the indexing disc to rotate through a speed reducer, a workpiece shaft is fixedly arranged at the upper end of the indexing disc, a workpiece placing frame correspondingly matched with a rotor groove of a workpiece is fixedly sleeved on the workpiece shaft, and the bottom of the workpiece is supported by the workpiece placing frame; the middle section of the pressure lever is connected with the rotary oil cylinder, the rotary oil cylinder is arranged on a support arranged on a workpiece sliding table, a top support rod which is positioned on the same straight line with a piston rod of the rotary oil cylinder and a workpiece shaft is arranged on the support, two ends of the pressure lever are respectively matched with the workpiece shaft and the top support rod, the pressure lever rotates along with the rotary oil cylinder and shrinks and descends along with the piston rod of the rotary oil cylinder after the workpiece is fed, two ends of the pressure lever are respectively matched and pressed with the workpiece shaft and the top support rod, the workpiece shaft is pressed by the shrinkage of the piston rod of the rotary oil cylinder, so that the workpiece shaft is prevented from shaking during processing, and the pressure lever rotates along with the rotary oil cylinder and rises along with the piston of the rotary oil cylinder after the workpiece is processed and is far away from the workpiece shaft;
the workpiece positioning mechanism comprises a positioning sheet, a positioning sliding table, a positioning base, a positioning sheet lifting driving mechanism mounting frame, a positioning sheet transverse driving mechanism and a positioning sheet transverse driving mechanism mounting frame, wherein the positioning sheet is mounted on the positioning sheet lifting driving mechanism and is driven to lift through the positioning sheet lifting driving mechanism;
the grinding wheel trimming mechanism comprises two groups of trimming mechanisms, a trimming screw pair, a trimming displacement driving mechanism, a trimming sliding table and a trimming base, wherein the trimming base is slidably mounted on the base of the lathe bed through the screw pair and a guide rail sliding block, the trimming sliding table is slidably mounted on the trimming base through the screw pair, a guide rail and a sliding block, the displacement direction of the trimming base on the base is parallel to the sliding direction of the workpiece sliding table, and the displacement direction of the trimming base on the base is perpendicular to the sliding direction of the trimming sliding table;
the two groups of trimming mechanisms respectively comprise a main shaft box, a gold steel roller, a trimming main shaft and a trimming driving motor, wherein the trimming main shaft is supported and installed on the main shaft box through a bearing, the axis of the trimming main shaft is parallel to the sliding direction of a trimming base, the trimming main shaft is driven to rotate through the trimming driving motor, the gold steel roller is sleeved at the front end of the trimming main shaft, and the outer edges of two end surfaces of the gold steel roller and the circumferential surface of the gold steel roller form a cutting edge; the trimming screw rod pair is supported and installed on the trimming sliding table through a bearing, the axial direction of the trimming screw rod pair is parallel to the sliding direction of the trimming sliding table, a screw rod of the trimming screw rod pair is provided with two sections of thread sections with opposite threads, the two sections of thread sections are respectively connected with nuts of the trimming screw rod pair, the two nuts are respectively and fixedly connected with spindle boxes of two groups of trimming mechanisms, and the trimming screw rod pair is driven by the trimming displacement driving mechanism;
the trimming displacement driving mechanism comprises a worm gear mechanism, a ratchet wheel and pawl mechanism, a swing arm, a driving cylinder and a hand wheel, wherein a worm wheel of the worm gear and worm mechanism is sleeved on a lead screw of the trimming lead screw pair, a worm of the worm gear and worm mechanism is supported and installed on an outer protection of the outer worm gear and worm mechanism through a bearing, a ratchet wheel of the ratchet wheel and pawl mechanism and the hand wheel are fixedly sleeved at two ends of the worm gear and worm mechanism respectively, the top of a pawl of the ratchet wheel and the middle section of the swing arm are movably connected through a pin shaft in a penetrating mode, a shifting rod for shifting away from the ratchet wheel is arranged on the pawl, the upper end of the swing arm is connected with the driving cylinder, and the lower end of the swing arm is sleeved on the lead screw of the trimming lead screw pair.
In addition to the above technical solutions, the present invention also includes the following technical features.
The base for installing the workpiece sliding table and the base for repairing the base are the same base, and the same guide rail for installing the workpiece sliding table in a sliding mode and the same guide rail for repairing the base are arranged on the base.
The bottom of one end of the pressure rod matched with the workpiece shaft is provided with a pressing head, the top of the workpiece shaft is provided with a square bulge, a square groove matched with the square bulge is formed in the pressing head, and the pressing head is pressed on the square bulge of the workpiece shaft through the square groove in a matched mode.
The support is supported and installed through the positioning base, a threaded hole is formed in the front end of the support, a screw rod penetrates through the threaded hole, penetrates through a screw rod seat fixed on the positioning base and is connected with the threaded hole, and the front position and the rear position of the pressing rod are adjusted through the screw rod, so that the pressing rod is aligned with the workpiece shaft.
The front side of the locating piece is a guide section which is in parallel fit with the groove wall of the rotor groove, two side faces of the guide section are in transition connection with two side faces of the rear section part of the locating piece through inclined faces, the guide section is in fit penetration with the rotor groove, if the rotor groove is not parallel to the guide section, the rotor groove is righted through the inclined face of the locating piece, and therefore two side walls of the rotor groove are parallel to two side faces of the guide section of the locating piece.
The grinding wheel dressing mechanism further comprises a tool setting adjusting mechanism, the tool setting adjusting mechanism comprises a second worm and gear mechanism, a screw and a second hand wheel, a spindle box of the grinding wheel dressing mechanism comprises a spindle box body and a spindle box base, the spindle box body is slidably mounted on the spindle box base through a sliding rail and a sliding groove, the spindle box body is locked on the spindle box base through screws arranged on the lateral portion of the spindle box body, the sliding direction of the spindle box body on the spindle box base is parallel to the sliding direction of the dressing sliding table, a threaded hole with an axis parallel to the sliding direction of the spindle box body is formed in the spindle box body, one end of the screw is connected with the threaded hole, a worm wheel of the second worm and gear mechanism is fixedly sleeved at the other end of the screw, a second hand wheel is fixedly sleeved on a worm of the second worm and gear mechanism, the worm of the second worm and the outer end of the screw are supported and mounted on an outer protection of the spindle box body through a bearing, two groups of gold steel rollers of the dressing mechanism are adjusted through the second hand wheel and are in contact with the end faces, and are locked on the spindle box base through screws arranged on the lateral portion of the spindle box body after the dressing mechanism, and then the grinding wheel is dressed through driving of the auxiliary screw rod.
The invention can achieve the following beneficial effects: the invention realizes the clamping and angle indexing of the workpiece through the workpiece fixture mechanism, thereby ensuring the stability of the workpiece during processing. The rotor groove is ensured to be matched and parallel with the grinding wheel through the positioning sheet of the workpiece positioning mechanism, so that the grinding wheel can accurately grind the rotor groove. According to the invention, the two end surfaces and the outer circular surface of the grinding wheel can be dressed by the grinding wheel dressing mechanism, so that the accuracy of the end surfaces and the outer circular surface of the grinding wheel is ensured. The invention has reasonable structural layout, high processing efficiency and accurate positioning, and can not damage the outer circular surface of the rotor.
Drawings
Fig. 1 is a schematic structural view of a rotor.
Fig. 2 is a schematic perspective view of the present invention.
Fig. 3 is a schematic front view of the present invention.
Fig. 4 is a schematic structural view of the work holder mechanism.
Fig. 5 is a schematic structural view of the workpiece positioning mechanism.
Fig. 6 is a schematic perspective view of the grinding wheel dressing mechanism.
Fig. 7 is another direction structure diagram of the grinding wheel dressing mechanism.
Fig. 8 is a schematic view of the internal structure of the wheel truing mechanism.
FIG. 9 is a schematic view of the positioning plate of the workpiece positioning mechanism.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1 to 9, the grinding wheel dresser comprises a machine body 1, a grinding wheel 2, a workpiece fixture mechanism 4, a workpiece positioning mechanism 5 and a grinding wheel dressing mechanism 6, wherein the grinding wheel 2 is sleeved on a grinding wheel spindle, the grinding wheel spindle is supported and mounted on a grinding wheel box 3 through a bearing, the grinding wheel box 3 is fixedly mounted on the machine body 1, the workpiece fixture mechanism 4 and the grinding wheel dressing mechanism 6 are respectively arranged on two sides of the grinding wheel box 3, and the workpiece positioning mechanism 5 is mounted on the grinding wheel box 3.
The workpiece fixture mechanism 4 comprises a workpiece sliding table 41, a pressure lever 45, an index plate 42 and a rotary oil cylinder, wherein the workpiece sliding table 41 is arranged on a base of the lathe bed 1 through a guide rail, a sliding block and a screw rod pair and is driven by a servo motor, the index plate 42 is arranged on the workpiece sliding table 41 and is driven to rotate through a motor, the motor controls the index plate to rotate by an index angle through a speed reducer, a workpiece shaft is fixedly arranged at the upper end of the index plate 42, a workpiece placing frame 43 correspondingly matched with a rotor groove of a workpiece 44 is fixedly sleeved on the workpiece shaft, and the bottom of the workpiece 44 sleeved on the workpiece shaft is supported by the workpiece placing frame 43; the middle section of the pressure lever 45 is connected with a rotary oil cylinder, the rotary oil cylinder is installed on a support 46 arranged on the workpiece sliding table 41, a top support rod 47 which is positioned on the same straight line with a piston rod of the rotary oil cylinder and a workpiece shaft is arranged on the support 46, two ends of the pressure lever 45 are respectively matched with the workpiece shaft and the top support rod 47, the pressure lever 45 rotates along with the rotary oil cylinder and descends along with the contraction of the piston rod of the rotary oil cylinder after the workpiece 44 is fed, two ends of the pressure lever 45 are respectively matched and pressed with the workpiece shaft and the top support rod 47, the workpiece shaft is pressed by the contraction of the piston rod of the rotary oil cylinder, the workpiece shaft is prevented from shaking during processing, and the pressure lever 45 rotates along with the rotary oil cylinder and ascends along with the piston of the rotary oil cylinder after the workpiece 44 is processed and is far away from the workpiece shaft.
The workpiece positioning mechanism 5 comprises a positioning sheet 51, a positioning sliding table 54, a positioning base 55, a positioning sheet lifting driving mechanism 52, a positioning sheet lifting driving mechanism mounting frame 53, a positioning sheet transverse driving mechanism 57 and a positioning sheet transverse driving mechanism mounting frame 56, wherein the positioning sheet 51 is installed on the positioning sheet lifting driving mechanism 52 and is driven to lift through the positioning sheet lifting driving mechanism 52, the transverse central plane of the positioning sheet 51 coincides with the transverse central plane of the grinding wheel 2, the positioning sheet lifting driving mechanism 52 is installed on the positioning sheet lifting driving mechanism mounting frame 53, the positioning sheet lifting driving mechanism mounting frame 53 is connected with the positioning sliding table 54 through a guide rail and a sliding block, the positioning sliding table 54 is connected with the positioning base 55 through a dovetail groove in a matched mode, the positioning sliding table 54 is adjusted to move back and forth relative to the positioning base through a screw rod and a screw rod installation block, the screw rod installation block is installed on the positioning base 55 through a screw rod, the screw rod penetrates through a through hole of the screw rod installation block and is in threaded connection with a threaded hole in the positioning sliding block, the positioning base 55 is installed on the positioning sheet transverse driving mechanism mounting frame 56 in a sliding mode, and the positioning sheet transverse driving mechanism mounting frame 56 is installed on the grinding wheel box 3. Preferably, the spacer lifting/lowering drive mechanism 52 and the spacer lateral drive mechanism 57 are air cylinder driven.
The grinding wheel dressing mechanism 6 comprises two groups of dressing mechanisms 61, a dressing screw rod pair 66, a dressing displacement driving mechanism, a dressing sliding table 63 and a dressing base, wherein the dressing base is arranged on the base of the machine body 1 in a sliding mode through the screw rod pair and a guide rail sliding block and is driven by a servo motor, the dressing sliding table 63 is arranged on the dressing base in a sliding mode through the screw rod pair, a guide rail and a sliding block and is driven by the servo motor, the displacement direction of the dressing base on the base is parallel to the sliding direction of the workpiece sliding table, and the displacement direction of the dressing base on the base is perpendicular to the sliding direction of the dressing sliding table 63.
The two groups of trimming mechanisms 61 respectively comprise a main shaft box 67, gold steel rollers 64, trimming main shafts and trimming driving motors 65, the trimming main shafts are supported and installed on the main shaft box 67 through bearings, the axes of the trimming main shafts are parallel to the sliding direction of a trimming base, the trimming main shafts are driven to rotate through the trimming driving motors 65, the gold steel rollers 64 are sleeved at the front ends of the trimming main shafts, and the outer edges of the two end surfaces of the gold steel rollers 64 and the circumferential surfaces of the gold steel rollers 64 form cutting edges; the trimming screw rod pair 66 is supported and installed on the trimming sliding table 63 through a bearing, the axial direction of the trimming screw rod pair is parallel to the sliding direction of the trimming sliding table 63, two thread sections with opposite threads are arranged on a screw rod of the trimming screw rod pair 66, the two thread sections are respectively connected with nuts of the trimming screw rod pair 66, the two nuts are respectively and fixedly connected with spindle boxes of two groups of trimming mechanisms 61, and the trimming screw rod pair 66 is driven through a trimming displacement driving mechanism.
The trimming displacement driving mechanism comprises a worm gear mechanism 610, a ratchet wheel and pawl mechanism 611, a swing arm, a driving air cylinder and a hand wheel 69, a worm wheel of the worm gear mechanism 610 is sleeved on a screw rod of the trimming screw rod pair 66, a worm of the worm gear mechanism is supported and installed on an outer protection of the outer worm gear mechanism through a bearing, a ratchet wheel of the ratchet wheel and pawl mechanism 611 and the hand wheel 69 are fixedly sleeved at two ends of the worm gear and worm mechanism 610 respectively, the top of a pawl of the ratchet wheel and pawl mechanism 611 and the middle section of the swing arm are in penetrating and movable connection through a pin shaft, a shifting rod for shifting away the ratchet wheel is arranged on the pawl, the upper end of the swing arm is connected with the driving air cylinder, and the lower end of the swing arm is sleeved on the screw rod of the trimming screw rod pair 66. During operation, the swing arm is driven to swing through the driving air cylinder, the pawl drives the ratchet wheel and drives the worm to rotate, the worm drives the worm wheel and the screw rod to rotate, the nut on the screw rod drives the spindle box to move relatively to realize automatic grinding of the grinding wheel, the control precision of the grinding wheel is accurate relative to the motor, the grinding wheel stops rapidly after cutting is completed, and the grinding wheel cannot be buffered like the motor. Then, the worm wheel and the spindle boxes are driven to move by the reverse rotation of the hand wheel, and the two spindle boxes realize the opposite movement.
Further preferably, the base on which the workpiece sliding table 41 and the trimming base are mounted is the same base, and the same guide rail for slidably mounting the workpiece sliding table 41 and the trimming base is provided on the base.
Further preferably, the bottom of one end of the pressing rod matched with the workpiece shaft is provided with a pressing head, the top of the workpiece shaft is provided with a square protrusion, the pressing head is provided with a square groove matched with the square protrusion, and the pressing head is matched with the square protrusion of the workpiece shaft through the square groove and is pressed against the square protrusion of the workpiece shaft.
Further preferably, the support 46 is supported and installed through a positioning base 48, a threaded hole is formed in the front end of the support 46, a screw rod penetrates through the threaded hole, the screw rod penetrates through a screw rod seat fixed on the positioning base 48 to be connected with the threaded hole, and the front and rear positions of the compression rod are adjusted through the screw rod, so that the compression rod 45 is aligned with the workpiece shaft.
Further preferably, the front side of the positioning piece 51 is a guiding section which is in parallel fit with the groove wall of the rotor groove, two side surfaces of the guiding section are in transitional connection with two side surfaces of the rear section part of the positioning piece 51 through inclined surfaces, and the guiding section is in fit with the rotor groove to penetrate through the guiding section, if the rotor groove is not parallel to the guiding section, the inclined surface of the positioning piece 51 is used for righting the rotor groove, so that two side walls of the rotor groove are parallel to two side surfaces of the guiding section of the positioning piece 51.
Preferably, the grinding wheel dressing mechanism 6 further includes a tool setting adjusting mechanism, the tool setting adjusting mechanism includes a second worm and gear mechanism, a screw rod and a second hand wheel 68, wherein a main spindle box of one group of grinding wheel dressing mechanisms includes a main spindle box body and a main spindle box base, the main spindle box body is slidably mounted on the main spindle box base through a slide rail and a slide groove, the main spindle box body is locked on the main spindle box base through a screw arranged on a side portion of the main spindle box body, a sliding direction of the main spindle box body on the main spindle box base is parallel to a sliding direction of the dressing sliding table 63, a threaded hole with an axis parallel to the sliding direction of the main spindle box body is arranged on the main spindle box body, one end of the screw rod is connected with the threaded hole, a worm wheel of the second worm and gear mechanism is fixedly sleeved on the other end of the screw rod, the second hand wheel 68 is fixedly sleeved on a worm of the second worm and gear mechanism, outer ends of the worm and the screw rod of the second worm and gear mechanism are supported and mounted on an outer protection of the second worm and gear mechanism, the second hand wheel is adjusted to enable two groups of gold and steel rollers 64 to be in contact with the end face of the main spindle box body, and then are locked on the main spindle box base through the screw rod, and the screw rod is driven dressing pair 66 to dress and to dress the grinding wheel 2 to dress.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, and such changes and modifications are within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. Rotor groove grinding machine, including lathe bed (1) and emery wheel (2), emery wheel (2) suit is on grinding wheel spindle, and grinding wheel spindle passes through the bearing support to be installed on emery wheel case (3), and emery wheel case (3) fixed mounting is on lathe bed (1), its characterized in that: the rotor groove grinding machine further comprises a workpiece clamp mechanism (4), a workpiece positioning mechanism (5) and a grinding wheel dressing mechanism (6), wherein the workpiece clamp mechanism (4) and the grinding wheel dressing mechanism (6) are respectively arranged on two sides of the grinding wheel box (3), and the workpiece positioning mechanism (5) is arranged on the grinding wheel box (3);
the workpiece fixture mechanism (4) comprises a workpiece sliding table (41), a pressing rod (45), an index plate (42) and a rotary oil cylinder, the workpiece sliding table (41) is mounted on a base of the lathe bed (1) through a guide rail, a sliding block and a screw rod pair, the index plate (42) is mounted on the workpiece sliding table (41) and is driven to rotate through a motor, the motor controls the index plate to rotate by an indexing angle through a speed reducer, a workpiece shaft is fixedly mounted at the upper end of the index plate (42), a workpiece placing frame (43) correspondingly matched with a rotor groove of a workpiece (44) is fixedly sleeved on the workpiece shaft, and the bottom of the workpiece (44) is supported by the workpiece placing frame (43); the middle section of the pressure lever (45) is connected with the rotary oil cylinder, the rotary oil cylinder is installed on a support (46) arranged on a workpiece sliding table (41), a top support rod (47) which is positioned on the same straight line with a piston rod of the rotary oil cylinder and a workpiece shaft is arranged on the support (46), two ends of the pressure lever (45) are respectively matched with the workpiece shaft and the top support rod (47), the pressure lever (45) rotates along with the rotary oil cylinder and descends along with the contraction of the piston rod of the rotary oil cylinder after the loading of a workpiece (44) is finished, two ends of the pressure lever (45) are respectively matched and pressed with the workpiece shaft and the top support rod (47), the contraction of the piston rod of the rotary oil cylinder presses the workpiece shaft, so that the workpiece shaft is prevented from shaking during the processing of the workpiece, and the pressure lever (45) rotates along with the rotary oil cylinder and ascends along with the extension of the piston of the rotary oil cylinder after the processing of the workpiece (44) is finished, and is far away from the workpiece shaft;
the workpiece positioning mechanism (5) comprises a positioning sheet (51), a positioning sliding table (54), a positioning base (55), a positioning sheet lifting driving mechanism (52), a positioning sheet lifting driving mechanism mounting rack (53), a positioning sheet transverse driving mechanism (57) and a positioning sheet transverse driving mechanism mounting rack (56), wherein the positioning sheet (51) is mounted on the positioning sheet lifting driving mechanism (52) and driven to lift through the positioning sheet lifting driving mechanism (52), the transverse central plane of the positioning sheet (51) is superposed with the transverse central plane of the grinding wheel (2), the positioning sheet lifting driving mechanism (52) is mounted on the positioning sheet lifting driving mechanism mounting rack (53), the positioning sheet lifting driving mechanism mounting rack (53) is mounted on the positioning sliding table (54) through a guide rail and a sliding block, the positioning sliding table (54) is connected with the positioning base (55) through matching, the positioning sliding table (54) is adjusted to move back and forth relative to the positioning base through a screw rod and a screw rod mounting block, the screw rod passes through a through hole of the screw rod mounting block and is connected with a thread hole (54) on the positioning dovetail groove, the positioning sheet transverse driving mechanism mounting rack (56) and is mounted on the positioning sheet driving mechanism mounting rack (55), the positioning sheet transverse driving mechanism mounting frame (56) is arranged on the grinding wheel box (3);
the grinding wheel dressing mechanism (6) comprises two groups of dressing mechanisms (61), a dressing screw rod pair (66), a dressing displacement driving mechanism, a dressing sliding table (63) and a dressing base, the dressing base is slidably mounted on the base of the lathe bed (1) through the screw rod pair and a guide rail sliding block, the dressing sliding table (63) is slidably mounted on the dressing base through the screw rod pair, the guide rail and the sliding block, the displacement direction of the dressing base on the base is parallel to the sliding direction of the workpiece sliding table, and the displacement direction of the dressing base on the base is perpendicular to the sliding direction of the dressing sliding table (63);
the two groups of trimming mechanisms (61) respectively comprise a main shaft box (67), a gold steel roller (64), a trimming main shaft and a trimming driving motor (65), the trimming main shaft is supported and installed on the main shaft box (67) through a bearing, the axis of the trimming main shaft is parallel to the sliding direction of a trimming base, the trimming main shaft is driven to rotate through the trimming driving motor (65), the gold steel roller (64) is sleeved at the front end of the trimming main shaft, and the outer edges of two end faces of the gold steel roller (64) and the circumferential face of the gold steel roller (64) form cutting edges; the trimming screw rod pair (66) is supported and installed on the trimming sliding table (63) through a bearing, the axial direction of the trimming screw rod pair is parallel to the sliding direction of the trimming sliding table (63), a screw rod of the trimming screw rod pair (66) is provided with two thread sections with opposite threads, the two thread sections are respectively connected with nuts of the trimming screw rod pair (66), the two nuts are respectively and fixedly connected with spindle boxes of two groups of trimming mechanisms (61), and the trimming screw rod pair (66) is driven by the trimming displacement driving mechanism;
the trimming displacement driving mechanism comprises a worm and gear mechanism (610), a ratchet and pawl mechanism (611), a swing arm, a driving air cylinder and a hand wheel (69), wherein a worm wheel of the worm and gear mechanism (610) is sleeved on a screw rod of the trimming screw rod pair (66), a worm of the worm and gear mechanism is supported and installed on an outer protection of the outer worm and gear mechanism through a bearing, a ratchet wheel of the ratchet and pawl mechanism (611) and the hand wheel (69) are fixedly sleeved at two ends of the worm and gear mechanism (610) respectively, the top of a pawl of the ratchet and the middle section of the swing arm are in penetrating and movable connection through a pin shaft, a shifting rod for shifting away the ratchet wheel is arranged on the pawl, the upper end of the swing arm is connected with the driving air cylinder, and the lower end of the swing arm is sleeved on the screw rod of the trimming screw rod pair (66).
2. A rotor groove grinding machine as recited in claim 1, wherein: the installation work piece slip table (41) with the base of repairing the base be same base, be equipped with on the base and be used for the same guide rail of slidable mounting work piece slip table (41) and repairing the base.
3. A rotor groove grinding machine as recited in claim 2, wherein: the bottom of one end of the pressure rod matched with the workpiece shaft is provided with a pressing head, the top of the workpiece shaft is provided with a square bulge, a square groove matched with the square bulge is formed in the pressing head, and the pressing head is pressed on the square bulge of the workpiece shaft through the square groove in a matched mode.
4. A rotor groove grinding machine as recited in claim 3, wherein: the support (46) support the installation through location base (48), the front end of support (46) is equipped with the screw hole, threaded hole wears to adorn the screw rod, the screw rod passes the screw rod seat of fixing on location base (48) and is connected with the screw hole, adjusts the front and back position of depression bar through the screw rod to make depression bar (45) align with the work piece axle.
5. A rotor groove grinding machine as recited in claim 4, wherein: the front side of the positioning piece (51) is a guide section which is in parallel fit with the groove wall of the rotor groove, two side faces of the guide section are in transitional connection with two side faces of the rear section part of the positioning piece (51) through inclined faces, the guide section is matched with the rotor groove to penetrate through the guide section, and if the rotor groove is not parallel to the guide section in matching, the inclined faces of the positioning piece (51) are used for rightly stirring the rotor groove, so that two side walls of the rotor groove are parallel to two side faces of the guide section of the positioning piece (51).
6. A rotor groove grinding machine according to claim 1 or 5, wherein: the grinding wheel dressing mechanism (6) further comprises a tool setting adjusting mechanism, the tool setting adjusting mechanism comprises a second worm and gear mechanism, a screw and a second hand wheel (68), a spindle box of one group of grinding wheel dressing mechanisms comprises a spindle box body and a spindle box base, the spindle box body is slidably mounted on the spindle box base through a sliding rail and a sliding groove, the spindle box body is locked on the spindle box base through a screw arranged on the side portion of the spindle box body, the sliding direction of the spindle box body on the spindle box base is parallel to the sliding direction of the dressing sliding table (63), a threaded hole with the axis parallel to the sliding direction of the spindle box body is formed in the spindle box body, one end of the screw is connected with the threaded hole, a worm wheel of the second worm and gear mechanism is fixedly sleeved on the other end of the screw, the second hand wheel (68) is fixedly sleeved on a worm of the second worm and gear mechanism, the worm of the second worm and gear mechanism and the outer end of the screw are supported and mounted on the second worm and gear mechanism through a bearing, gold steel idler wheels (64) of the two groups of the dressing mechanisms are in contact with the end faces, are locked on the spindle box base through the grinding wheel box base after the worm and then are driven to dress the spindle box body through a screw protecting and a grinding wheel dressing auxiliary dressing screw (66) by a second hand wheel regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532635.XA CN107186578B (en) | 2017-07-03 | 2017-07-03 | Rotor groove grinding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710532635.XA CN107186578B (en) | 2017-07-03 | 2017-07-03 | Rotor groove grinding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107186578A CN107186578A (en) | 2017-09-22 |
| CN107186578B true CN107186578B (en) | 2023-03-31 |
Family
ID=59881218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710532635.XA Active CN107186578B (en) | 2017-07-03 | 2017-07-03 | Rotor groove grinding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107186578B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110977773B (en) * | 2019-12-30 | 2024-06-04 | 北京市电加工研究所有限公司 | Online dressing device and process for diamond grinding wheel of cutter grinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733687A (en) * | 2008-11-26 | 2010-06-16 | 上海丹尼逊液压件有限公司 | High-precision clamp for processing rotor |
| CN202088060U (en) * | 2011-05-27 | 2011-12-28 | 周众 | Numerically controlled rotor groove grinder |
| CN102632442A (en) * | 2012-04-18 | 2012-08-15 | 安徽力成机械装备有限公司 | Numerical-control horizontal type grinder for starlike sleeve arc groove |
| CN205552203U (en) * | 2016-04-19 | 2016-09-07 | 唐荣平 | Novel hydraulic pump rotor groove grinding equipment |
| JP2016198840A (en) * | 2015-04-09 | 2016-12-01 | 有限会社システムエンジニアリング | Clamp jig |
-
2017
- 2017-07-03 CN CN201710532635.XA patent/CN107186578B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733687A (en) * | 2008-11-26 | 2010-06-16 | 上海丹尼逊液压件有限公司 | High-precision clamp for processing rotor |
| CN202088060U (en) * | 2011-05-27 | 2011-12-28 | 周众 | Numerically controlled rotor groove grinder |
| CN102632442A (en) * | 2012-04-18 | 2012-08-15 | 安徽力成机械装备有限公司 | Numerical-control horizontal type grinder for starlike sleeve arc groove |
| JP2016198840A (en) * | 2015-04-09 | 2016-12-01 | 有限会社システムエンジニアリング | Clamp jig |
| CN205552203U (en) * | 2016-04-19 | 2016-09-07 | 唐荣平 | Novel hydraulic pump rotor groove grinding equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107186578A (en) | 2017-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN200991842Y (en) | Multifunction grinding machine | |
| CN201815952U (en) | Abrasive wheel trimming machine | |
| JP3180327B2 (en) | Cutter with guide roller, grinding tool with guide roller, cutting device, grinding device and processing machine | |
| CN110774378A (en) | Multifunctional numerical control woodworking machine tool | |
| CN102490097A (en) | Adjustable worktable for guideway grinder | |
| CN114633160A (en) | Grinding machine special for spindle sleeve | |
| CN206519813U (en) | A kind of high-precision line slideway special purpose grinder | |
| CN205600473U (en) | Numerical control hole external tooth grinding machine | |
| CN107186578B (en) | Rotor groove grinding machine | |
| CN107962479B (en) | Polishing device and method for rectangular discontinuous inner wall coating in confined space of composite material | |
| CN203843614U (en) | Numerical control moving planer type double grinding head circle platform surface grinding machine | |
| CN113977423A (en) | Numerical control vertical double-grinding head multifunctional grinding machine | |
| CN105290927A (en) | High-precision arc surface grinding device | |
| CN103350459A (en) | Arc slab edge trimmer | |
| CN212042999U (en) | Automatic angle regulation's rack grinding machine | |
| CN210968119U (en) | High-precision numerical control conical bearing inner ring flange grinding machine | |
| CN206869603U (en) | Rotor groove grinder | |
| CN110539234A (en) | slender shaft polishing device | |
| CN113770733B (en) | Numerical control heavy horizontal turning grinder cutter head structure | |
| CN206425597U (en) | Edge milling machines | |
| CN211332736U (en) | Auxiliary device of horizontal shaft rectangular table surface grinding machine | |
| CN112959145B (en) | Mechanical clamping and grinding machine for lathe tool | |
| CN211387991U (en) | Drilling index plate for automobile pressure plate | |
| CN206825215U (en) | Rotor groove grinder emery wheel correction mechanism | |
| CN109623418B (en) | Special automobile spare and accessory part machining center |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |