CN115055713B - High-precision machining method for motor seat - Google Patents
High-precision machining method for motor seat Download PDFInfo
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- CN115055713B CN115055713B CN202210721651.4A CN202210721651A CN115055713B CN 115055713 B CN115055713 B CN 115055713B CN 202210721651 A CN202210721651 A CN 202210721651A CN 115055713 B CN115055713 B CN 115055713B
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- 238000003754 machining Methods 0.000 title claims abstract description 69
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000003825 pressing Methods 0.000 claims description 28
- 238000003801 milling Methods 0.000 claims description 26
- 238000012545 processing Methods 0.000 abstract description 19
- 238000005520 cutting process Methods 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 8
- 210000004907 gland Anatomy 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Milling Processes (AREA)
- Drilling And Boring (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a high-precision machining method for a motor seat, which comprises a rough machining tool and a fine machining tool, wherein the horizontal axes of the rough machining tool and the fine machining tool are the same and are arranged on a frame; the rotary cutting of the workpiece is changed into a fixed cutting mode by separating the rough machining and the finish machining. The original turning sequence is changed into a boring sequence processing technology mode, only a boring cutter is not required to be fed in a single cutter, but is changed into a double-support cutter bar and forming cutter plate to be subjected to semi-finish boring and finish boring hole processing modes, and the original processing technology route is improved by finishing one-step processing through one-step feeding.
Description
The scheme is that the patent application with the application number 202010914519.6 and the application date 2020-09-03 and the name of a method for using a motor base tool is a division application of the parent application.
Technical Field
The invention relates to the field of motor machining, in particular to a high-precision machining method for a motor seat.
Background
The original process of the motor base comprises the following steps: and (3) roughly and finely milling the motor joint surface, the square outline and the joint surface of the collision stop block and the joint surface of the motor seat and the lower workpiece on a milling machine, and roughly and finely turning all the apertures of the workpiece on the turning machine by using a special tool.
Since the lathe is a workpiece turning machine, the accuracy of machining is required to be improved as the center of mass of the turning body approaches the center of the spindle. However, the motor base is a casting, and factors exist that the mass center of the workpiece cannot be accurately determined, so that the machined workpiece has out-of-tolerance cylindricity of each hole; due to lathe fixture factors, the problem that the perpendicularity of the motor handle joint surface and the positioning spigot is out of tolerance is also caused.
In order to improve the machining precision of a machine tool motor seat, the rotary cutting of a workpiece is changed into a fixed cutting mode; the motor is to be used as a guiding datum plane for processing the positioning spigot, so that the processing precision and efficiency are improved, and the burden of workers is reduced.
The novel motor seat tool for machining the motor and the matched machining process are needed at present, can be used for improving the machining precision of the motor seat of a machine tool, and avoid the phenomenon that the perpendicularity of a motor handle joint surface and a positioning spigot is out of tolerance.
Disclosure of Invention
The invention aims to solve the problem that in the prior art, the cylindricity of each hole is out of tolerance when a workpiece is processed by a motor base; the motor seat tool solves the problem that the perpendicularity of the joint surface and the positioning spigot of the motor is out of tolerance, and the motor seat tool is divided through a rough machining and finish machining sequence, and a rotary cutting mode of a workpiece is changed into a fixed cutting mode.
The invention provides a motor seat tool which comprises a rough machining tool and a fine machining tool, wherein the horizontal axes of the rough machining tool and the fine machining tool are the same and are arranged on a frame, the fine machining tool comprises a boring part and a tool part, the boring part and the tool part are respectively arranged at the upper end of the frame, the tool part is arranged at the inner side of the boring part, the boring part comprises a boring cutter and a bracket, the boring cutter comprises a special connecting handle, a cutter bar and at least one boring cutter plate, the special connecting handle is arranged at one end of the cutter bar, the boring cutter plate is arranged at the middle part of the cutter bar, the lower part of the special cutter bar is a cylinder with the diameter equal to that of the round table, the cylinder and the round table are coaxial, the side surface of the cylinder is provided with a pin hole vertical to the axis, the bottom of the cylinder is provided with a counter bore for being connected with the cutter bar, the through hole penetrates through the side surface of the counter bore, and the side surface of the cylinder is provided with a connecting device for connecting a power device; the support comprises a first support frame and a second support frame, the first support frame and the second support frame are arranged at the upper end of the frame and are oppositely arranged, the first support frame is arranged between the special connecting handle and the boring cutter plate, the second support frame is arranged at the reverse end of the cutter bar, which is provided with the special connecting handle, and the first support frame and the second support frame are respectively and movably connected with the cutter bar; the rough machining tool comprises a tool base, a first clamp group and end clamps, wherein the tool base is arranged at the upper end of a frame, the end clamps are vertically arranged at one end of the tool base, the first clamp group is arranged at two sides of the tool base, the tool base comprises a first base, a second base and a third base, the two sides of the first base are respectively provided with the second base and the third base, the heights of the second base and the third base are equal to each other and are greater than those of the first base, a lining support block is arranged at the upper end of the second base and the upper end of the third base, the lining support block is L-shaped, openings are opposite, and the edges of the upper surfaces of the horizontal parts of the L-shaped lining support blocks are provided with chamfers.
And setting two tools of rough machining and fine machining for separating a rough machining sequence and a fine machining sequence and changing rotary cutting of a workpiece into a fixed cutting mode. The original turning sequence is changed into a boring sequence processing technology mode, and simultaneously, the boring cutter is not fed by a single cutter, but is changed into a double-support cutter bar and forming cutter plate to carry out semi-finish boring and finish boring hole processing modes, and the original processing technology route is improved by completing one-step processing by one-step feeding.
The boring machine spindle has the advantage of stable cutting of the cutter after the cutter is arranged, the clamp adopts a double-support cutter bar structure, and the center position of the support frame is fixed, so that the cutter bar is required to be subjected to floating cutting. Therefore, a special connecting handle is specially developed and designed for the clamp, a cylindrical pin is used for poking a cutter bar to rotate, and the cutting of each cutter is realized by using the axial force of the pin transmission.
The invention relates to a motor seat tool, which is used as a preferable mode, wherein an end clamp comprises a fixed stroke block and an end clamp body, the lower end of the fixed stroke block is vertical to a first base and is arranged at the upper end of a frame, the end clamp body is hinged with the fixed stroke block, a hinged shaft is parallel to the end clamp connecting end face of the tool base, the end clamp body is of a Y-shaped structure, one end of the Y-shaped structure of the end clamp body is hinged with the fixed stroke block, two ends of the Y-shaped structure of the end clamp body are symmetrically arranged above the tool base, through holes are formed in the middle of the fixed stroke block, positioning brackets of the vertical end clamp body are arranged at the two ends of the Y-shaped structure of the end clamp body, and limiting bolts of the vertical hinged shaft are arranged on the positioning brackets.
The positioning bracket is matched with the upper end of the motor for limiting the position of the bearing gland, and the limiting bolt is fixed on the closing surface of the bearing gland handle.
According to the motor seat tool disclosed by the invention, as an optimal mode, the first clamp group comprises at least one pair of first clamps which are oppositely arranged, the first clamps comprise the first guide pillar, the first spring, the first pressing plate and the first limiter, the first guide pillar is arranged perpendicular to the tool base, the first spring is nested on the periphery of the first guide pillar, the first pressing plate is arranged at the upper end of the first spring, and the first limiter is arranged at the upper end of the first pressing plate.
The invention relates to a motor base tool, which is used as a preferable mode, wherein a tool part comprises a U-shaped base, a second clamp group and a motor base bottom clamping plate, the U-shaped base is arranged at the upper end of a rack, the second clamp group is arranged at two sides of the U-shaped base, and the motor base bottom clamping plate is vertically arranged at one end of the U-shaped base.
The invention relates to a motor seat tool, which is used as a preferable mode, wherein a second clamp group comprises at least one pair of second clamps which are oppositely arranged, the second clamps comprise a second guide post, a second spring, a second pressing plate and a second limiter, the second guide post is arranged perpendicular to a U-shaped base, the second spring is nested at the periphery of the second guide post, the second pressing plate is arranged at the upper end of the second spring, the second limiter is arranged at the upper end of the second pressing plate, the pressing plate is a strip-shaped block, the width of one end of the strip-shaped block is smaller than or equal to the width of the other end of the strip-shaped block, the pressing plate is provided with a vertical through hole, the through hole extends from the middle part of the pressing plate to one end with larger width, and the guide post penetrates through the through hole.
The clamp is used for clamping the motor base, the guide pillar is used for providing guiding effect for the spring, the spring moves along the guide pillar, the clamp plate is connected to the spring upper end, when the stopper moves up on the guide pillar, the spring is ejecting upwards, carries out position adjustment to the clamp plate.
According to the motor seat tool disclosed by the invention, as an optimal mode, the bottom clamping plate of the motor seat comprises the first clamping plate, the second clamping plate and the adjusting device, the adjusting device is used for adjusting the distance between the first clamping plate and the second clamping plate, two ends of the adjusting device are respectively connected with the first clamping plate surface and the second clamping plate surface, the first clamping plate and the second clamping plate are arranged in parallel, and through holes which have the same horizontal position as the cutter bar and have the same height equiaxial line and the diameter larger than or equal to the cutter bar are formed in the same horizontal position of the first clamping plate and the second clamping plate.
The invention provides a method for using a motor cabinet tool, which comprises the following steps:
s1, roughly milling a combined surface of a motor on a milling machine;
S2, milling the square outline of the combined surface of the motor and the combined surface of the collision stop block on a milling machine;
s3, taking care of the positions of the motor positioning spigot and the bearing hole to finish rough and finish milling of the 'lower workpiece joint surface' on a milling machine;
S4, performing a rough machining process, namely mounting a motor on a rough machining tool, taking the joint surface of the workpiece, namely the upper surface of a U-shaped base, as a positioning reference, taking the side surface of the workpiece as a guide, taking the joint surface of a collision stop block as a fixed stroke, namely the inner surface of the fixed stroke block, and finely milling the joint surface of the motor, and roughly boring a motor positioning spigot and a bearing hole;
S5, carrying out a finish machining procedure, namely installing the motor on the finish machining tool, and carrying out finish boring and finish boring on the parts of the motor positioning spigot and the bearing hole by taking the lower workpiece joint surface, namely the upper surface of the first base, and the side surface of the workpiece as a guide, and taking the motor handle joint surface, namely the surface of the first clamping plate facing the second clamping plate, as a positioning Cheng Ban.
Before the rough machining fixture clamps, the collision stop block of the workpiece finishes machining the joint surface as a sequential setting Cheng Jidian, namely, a control reference origin in the axial dimension. The machining process is completed by once clamping, rough milling and finish milling of the joint surface of the motor, and rough machining and cutter surface correction boring of the rest holes are completed.
The motor processed in the rough machining procedure is used for guiding the combined large end surface to the reference surface in the procedure, so that the problem that the combined surface is not perpendicular to the positioning spigot can be solved. The double-support cutter bar structure can reduce vibration during cutting, solve the problem of out-of-tolerance cylindricity caused by cantilever cutting of the boring cutter when the boring depth is too large, and simultaneously can completely solve the problem of different axes of each hole; the use of the formed cutting board also greatly improves the processing efficiency and can shorten the processing time by more than 30 percent.
The rough machining process and the rough machining tool have the following advantages: the lower workpiece joint surface is used as a positioning reference, so that the positioning reference is overlapped with the processing reference, thereby being beneficial to ensuring the form and position tolerance requirement of the processed part, and particularly ensuring the perpendicularity tolerance of the motor joint surface and the positioning reference and the guiding reference of the sequence; the side surface of the workpiece is used as a guide, the dimension from the center to the side surface of each hole and the parallelism with the side surface can be controlled, namely the symmetry of each hole relative to the center of the workpiece is ensured; the total length of the workpiece can be controlled by taking the joint surface of the collision stop block as a fixed distance; the motor handle joint surface finished by the sequence finish milling process can be used as a fixed-range reference surface of the finish machining process; the casting hard points at each hole of the workpiece can be removed by rough machining of each part, so that the cutter loss is saved for the finish machining procedure; the process of unloading the workpiece to be finished is also a process of releasing the stress of the part, so that the stability of the precision of each part of the workpiece can be improved.
The fine machining process and the fine machining tool have the following advantages: the process reference of the two-sequence machining is overlapped by taking the lower workpiece joint surface as a positioning reference and the side surface of the workpiece as a guide, so that the machining precision of the workpiece can be better ensured; the motor handle joint surface processed in the sequence is fixed in a stroke, and can be said to be a second guide surface (the surface and the side surface of the workpiece are guaranteed to be vertical in the sequence, the problem of excessive positioning of the workpiece cannot be thoroughly referred to), so that the perpendicularity tolerance of each hole and the motor handle joint surface can be guaranteed; the perpendicularity tolerance of the bearing gland handle joint surface and the bearing hole; meanwhile, the accuracy of the axial dimension of each hole can be controlled; by adopting the long cutter bar double-support processing technology scheme, the stability of the cutter plate during cutting can be increased, the cylindricity tolerance of each hole and the coaxiality tolerance of each hole are ensured, and the situation that a taper is processed due to boring a deep hole of a cantilever can be overcome; compared with a single-cutter boring, the boring sequence processing technical scheme that the forming boring cutter plate finishes one step by one-step feeding can greatly improve the processing efficiency, and the consistency of the tolerance range of each hole is controlled.
In summary, the improved processing technology can better control various dimensional tolerances and form and position tolerances of the motor base, improve the processing qualification rate and correspondingly improve the efficiency.
Drawings
FIG. 1 is a schematic diagram of a motor assembly;
FIG. 2 is a schematic diagram of a fine machining tool of a motor assembly tool;
FIG. 3 is a schematic view of a tooling bore of a motor assembly;
FIG. 4 is a schematic diagram of a boring tool for a motor assembly;
FIG. 5 is a schematic view of a tooling support for a motor assembly;
FIG. 6 is a schematic diagram of a tooling part of a motor assembly;
FIG. 7 is a schematic diagram of a second fixture set of the motor set tooling;
FIG. 8 is a schematic diagram of a second fixture of the electric machine tool;
FIG. 9 is a schematic diagram of a bottom clamping plate of a motor base of a motor assembly fixture;
FIG. 10 is a schematic diagram of a rough tooling of a motor assembly;
FIG. 11 is a schematic view of a tooling base of a motor assembly;
FIG. 12 is a schematic view of an end fixture of a motor assembly;
FIG. 13 is a schematic view of a first fixture set of a motor set tooling;
FIG. 14 is a schematic view of a first fixture of a motor assembly tooling;
Fig. 15 is a flowchart of a method for using the motor assembly tool.
Reference numerals:
1. Rough machining tool; 11. a tooling base; 111. a first base; 112. a second base; 113. a third base; 12. a first clamp group; 121. a first clamp; 1211. a first guide post; 1212. a first spring; 1213. a first platen; 1214. a first stopper; 13. an end clamp; 131. a fixed-range block; 132. an end clamp body; 2. fine machining tools; 21. a boring section; 211. boring cutter; 2111. a special handle; 2112. a cutter bar; 2113. boring a knife plate; 212. a bracket; 2121. a first support frame; 2122. a second support frame; 22. a tool part; 221. a U-shaped base; 222. a second clamp group; 2221. a second clamp; 22211. a second guide post; 22212. a second spring; 22213. a second pressing plate; 22214. a second stopper; 223. a motor base bottom clamping plate; 2231. a first clamping plate; 2232. a second clamping plate; 2233. an adjusting device.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1
As shown in fig. 1, a motor cabinet tool comprises a rough machining tool 1 and a fine machining tool 2, wherein horizontal axes of the rough machining tool 1 and the fine machining tool 2 are the same and are arranged on a frame.
As shown in fig. 2, the fine processing tool 2 includes a boring portion 21 and a tool portion 22, the boring portion 21 and the tool portion 22 being provided at the upper end of the frame, respectively, and the tool portion 22 being provided inside the boring portion 21.
As shown in fig. 3, the boring section 21 includes a boring cutter 211 and a holder 212, and the boring cutter 211 is provided on the holder 212.
As shown in fig. 4, the boring cutter 211 comprises a special joint handle 2111, a cutter bar 2112 and at least one boring cutter plate 2113, wherein the special joint handle 2111 is arranged at one end of the cutter bar 2112, the boring cutter plate 2113 is arranged in the middle of the cutter bar 2112, the upper half part of the special cutter handle is a cylinder with the diameter equal to that of the round table, the cylinder and the round table are coaxial, the side surface of the cylinder is provided with a pin hole perpendicular to the axis of the cylinder, the bottom of the cylinder is provided with a counter bore for being connected with the cutter bar 2112, the through hole penetrates through the side surface of the counter bore, and the side surface of the cylinder is provided with a connecting device for connecting a power device.
As shown in fig. 5, the bracket 212 includes a first bracket 2121 and a second bracket 2122, the first bracket 2121 and the second bracket 2122 are disposed at the upper end of the frame and are opposite to each other, the first bracket 2121 is disposed between the special joint handle 2111 and the boring cutter plate 2113, the second bracket 2122 is disposed at the opposite end of the cutter bar 2112 where the special joint handle 2111 is disposed, and the first bracket 2121 and the second bracket 2122 are movably connected to the cutter bar 2112 respectively.
As shown in fig. 6, the tooling portion 22 includes a U-shaped base 221, a second clamp group 222, and a motor base bottom clamping plate 223, where the U-shaped base 221 is disposed at the upper end of the frame, the second clamp group 222 is disposed at two sides of the U-shaped base 221, and the motor base bottom clamping plate 223 is vertically disposed at one end of the U-shaped base 221.
As shown in fig. 7, the second clamp group 222 includes at least one pair of second clamps 2221 disposed opposite to each other, and the second clamps 2221 are disposed at both sides of the U-shaped base 221.
As shown in fig. 8, the second fixture 2221 includes a second guide pillar 22211, a second spring 22212, a second pressing plate 22213 and a second limiter 22214, where the second guide pillar 22211 is disposed perpendicular to the U-shaped base 221, the second spring 22212 is nested around the second guide pillar 22211, the second pressing plate 22213 is disposed at the upper end of the second spring 22212, the second limiter 22214 is disposed at the upper end of the second pressing plate 22213, the pressing plate is a strip block, one end width of the strip block is less than or equal to the other end width, the pressing plate is provided with a vertical through hole, the through hole extends from the middle of the pressing plate to one end with a larger width, and the guide pillar penetrates through the through hole.
As shown in fig. 9, the motor base bottom clamping plate 223 includes a first clamping plate 2231, a second clamping plate 2232, and an adjusting device 2233, wherein the adjusting device 2233 is used for adjusting a distance between the first clamping plate 2231 and the second clamping plate 2232, two ends of the adjusting device 2233 are respectively connected with a plate surface of the first clamping plate 2231 and a plate surface of the second clamping plate 2232, the first clamping plate 2231 and the second clamping plate 2232 are arranged in parallel, and a through hole with a same height axis as the cutter bar 2112 and a diameter larger than or equal to the cutter bar 2112 is arranged at the same horizontal position of the first clamping plate 2231 and the second clamping plate 2232.
As shown in fig. 10, the rough machining tool 1 includes a tool base 11, a first clamp group 12 and end clamps 13, the tool base 11 is disposed at the upper end of the frame, the end clamps 13 are vertically disposed at one end of the tool base 11, and the first clamp group 12 is disposed at two sides of the tool base 11.
As shown in fig. 11, the tooling base 11 comprises a first base 111, a second base 112 and a third base 113, wherein the second base 112 and the third base 113 are respectively arranged on two sides of the first base 111, the second base 112 and the third base 113 are equal in height and larger than the first base 111, a lining support block is arranged at the upper end of the second base 112 and the upper end of the third base 113, the lining support block is L-shaped and opposite in opening, and a chamfer is arranged at the edge of the upper surface of the horizontal part of the L-shaped lining support block.
As shown in fig. 12, the end fixture 13 includes a stopper 131 and an end fixture body 132, the lower end of the stopper 131 is perpendicular to the first base 111 and is disposed at the upper end of the frame, the end fixture body 132 is hinged to the stopper 131, and the hinge axis is parallel to the end surface of the fixture base 11 and the end fixture 13, the end fixture body 132 is in a Y-shaped structure, one end of the Y-shaped structure of the end fixture body 132 is hinged to the stopper 131, two ends of the Y-shaped structure of the end fixture body 132 are disposed above the fixture base 11, a through hole is disposed in the middle of the stopper 131, two end portions of the Y-shaped structure of the end fixture body 132 are disposed with positioning brackets of the perpendicular end fixture body 132, and the positioning brackets are provided with limiting bolts of the perpendicular hinge axes.
As shown in fig. 13, the first fixture group 12 includes at least one pair of first fixtures 121 disposed opposite to each other, and the first fixtures 121 are disposed on two sides of the tool base 11.
As shown in fig. 14, the first fixture 121 includes a first guide post 1211, a first spring 1212, a first pressing plate 1213, and a first limiter 1214, where the first guide post 1211 is disposed perpendicular to the tooling base 11, the first spring 1212 is nested around the first guide post 1211, the first pressing plate 1213 is disposed at an upper end of the first spring 1212, and the first limiter 1214 is disposed at an upper end of the first pressing plate 1213.
As shown in fig. 15, a method for using a motor base tool includes the following steps:
s1, roughly milling a combined surface of a motor on a milling machine;
S2, milling the square outline of the combined surface of the motor and the combined surface of the collision stop block on a milling machine;
s3, taking care of the positions of the motor positioning spigot and the bearing hole to finish rough and finish milling of the 'lower workpiece joint surface' on a milling machine;
S4, performing a rough machining process, namely mounting a motor on the rough machining tool 1, taking the joint surface of a workpiece, namely the upper surface of the U-shaped base 221, as a positioning reference, taking the side surface of the workpiece as a guide, taking the joint surface of the collision stop block, namely the inner surface of the fixed stroke block 131 as a fixed stroke, and finely milling the joint surface of the motor, and rough boring a motor positioning spigot and a bearing hole;
s5, performing a finish machining procedure, namely installing a motor on the finish machining tool, and performing finish boring and finish boring on the parts, which are positioned by using the joint surface of the following workpieces, namely the upper surface of the first base 111, the side surface of the workpiece as a guide, and the joint surface of the motor, namely the surface of the first clamping plate 2231 facing the second clamping plate 2232, as a positioning Cheng Ban.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (1)
1. A high-precision machining method for a motor seat is characterized by comprising the following steps of:
the method comprises the following steps:
s1, roughly milling a combined surface of a motor on a milling machine;
S2, milling the square outline of the combined surface of the motor and the combined surface of the collision stop block on a milling machine;
S3, rough finish milling of the 'lower workpiece joint surface' on a milling machine according to the positions of the motor positioning spigot and the bearing hole;
S4, performing a rough machining procedure, namely mounting a motor on a rough machining tool (1), taking the upper surface of a workpiece, namely the upper surface of a U-shaped base (221), as a positioning reference, taking the side surface of the workpiece as a guide, taking the inner surface of a stop block (131) as a fixed stroke, and finely milling the fixed surface of the motor, and roughly boring a motor positioning spigot and a bearing hole;
S5, performing a finish machining procedure, namely mounting a motor on a finish machining tool, and performing finish boring and finish boring on the workpiece joint surface, namely the upper surface of the first base (111) serving as a positioning reference, the side surface of the workpiece serving as a guide, and the joint surface of the motor, namely the surface of the first clamping plate (2231) facing the second clamping plate (2232) serving as a positioning Cheng Ban, and performing finish boring on the motor positioning spigot and bearing holes;
The motor seat tool comprises a rough machining tool (1) and a fine machining tool (2), the horizontal axes of the rough machining tool (1) and the fine machining tool (2) are the same and are arranged on a frame, the fine machining tool (2) comprises a boring part (21) and a tool part (22), the boring part (21) and the tool part (22) are respectively arranged at the upper end of the frame, the tool part (22) is arranged at the inner side of the boring part (21), the boring part (21) comprises a boring cutter (211) and a bracket (212), the boring cutter (211) is arranged on the bracket (212), the boring cutter (211) comprises a special joint handle (2111), a cutter bar (2112) and at least one boring cutter plate (2113), the special joint handle (2111) is arranged at one end of the cutter bar (2112), the boring cutter plate (2113) is arranged in the middle of the cutter bar (2112), the upper half part of the special joint handle is a cylinder with the diameter equal to that of the round table, the cylinder and the round table are coaxial, the side surface of the cylinder is provided with a pin hole perpendicular to the axis of the cylinder, the bottom of the cylinder is provided with a counter bore for being connected with the cutter bar (2112), a through hole of the cutter bar (2112) penetrates through the side surface of the counter bore, and the side surface of the cylinder is provided with a connecting device for connecting a power device; the support (212) comprises a first support frame (2121) and a second support frame (2122), the first support frame (2121) and the second support frame (2122) are arranged at the upper end of the frame and are oppositely arranged, the first support frame (2121) is arranged between the special joint handle (2111) and the boring cutter plate (2113), the second support frame (2122) is arranged at the opposite end of the cutter bar (2112) where the special joint handle (2111) is arranged, and the first support frame (2121) and the second support frame (2122) are respectively and movably connected with the cutter bar (2112); the rough machining tool (1) comprises a tool base (11), a first clamp group (12) and end clamps (13), wherein the tool base (11) is arranged at the upper end of a frame, the end clamps (13) are vertically arranged at one end of the tool base (11), the first clamp group (12) is arranged at two sides of the tool base (11), the tool base (11) comprises a first base (111), a second base (112) and a third base (113), the second base (112) and the third base (113) are respectively arranged at two sides of the first base (111), the second base (112) and the third base (113) are equal in height and are larger than the first base (111), backing blocks are arranged at the upper end of the second base (112) and the upper end of the third base (113), the backing blocks are L-shaped and are opposite in opening, and chamfer angles are arranged at the edges of the upper surface of the horizontal part of the L-shaped backing blocks;
The end clamp (13) comprises a fixed stroke block (131) and an end clamp body (132), the lower end of the fixed stroke block (131) is perpendicular to the first base (111) and is arranged at the upper end of the frame, the end clamp body (132) is hinged with the fixed stroke block (131) and the hinged shaft is parallel to the end face, connected with the end clamp (13), of the tool base (11), the end clamp body (132) is of a Y-shaped structure, one end of the Y-shaped structure of the end clamp body (132) is hinged with the fixed stroke block (131), two ends, symmetrically arranged, of the Y-shaped structure of the end clamp body (132) are arranged above the tool base (11), through holes are formed in the middle of the fixed stroke block (131), positioning brackets perpendicular to the end clamp body (132) are arranged at the two ends, and limit bolts perpendicular to the hinged shaft are arranged on the positioning brackets;
The tool part (22) comprises a U-shaped base (221), a second clamp group (222) and a motor base bottom clamping plate (223), the U-shaped base (221) is arranged at the upper end of the rack, the second clamp group (222) is arranged at two sides of the U-shaped base (221), and the motor base bottom clamping plate (223) is vertically arranged at one end of the U-shaped base (221);
The motor base bottom clamping plate (223) comprises a first clamping plate (2231), a second clamping plate (2232) and an adjusting device (2233), wherein the adjusting device (2233) is used for adjusting the distance between the first clamping plate (2231) and the second clamping plate (2232), two ends of the adjusting device (2233) are respectively connected with the first clamping plate (2231) surface and the second clamping plate (2232) surface, the first clamping plate (2231) and the second clamping plate (2232) are arranged in parallel, and through holes which are equal to the cutter bar (2112) in equal-height equiaxial line and have diameters larger than or equal to the cutter bar (2112) are arranged at the same horizontal position of the first clamping plate (2231) and the second clamping plate (2232);
The first clamp group (12) comprises at least one pair of first clamps (121) which are oppositely arranged, the first clamps (121) comprise a first guide pillar (1211), a first spring (1212), a first pressing plate (1213) and a first limiter (1214), the first guide pillar (1211) is perpendicular to the tool base (11), the first spring (1212) is nested on the periphery of the first guide pillar (1211), the first pressing plate (1213) is arranged at the upper end of the first spring (1212), and the first limiter (1214) is arranged at the upper end of the first pressing plate (1213);
The second clamp group (222) comprises at least one pair of second clamps (2221) which are oppositely arranged, the second clamps (2221) comprise a second guide column (22211), a second spring (22212), a second pressing plate (22213) and a second limiter (22214), the second guide column (22211) is perpendicular to the U-shaped base (221), the second spring (22212) is nested in the periphery of the second guide column (22211), the second pressing plate (22213) is arranged at the upper end of the second spring (22212), the second limiter (22214) is arranged at the upper end of the second pressing plate (22213), the pressing plate is a strip-shaped block, one end width of the strip-shaped block is smaller than or equal to the other end width of the strip-shaped block, the pressing plate is provided with a vertical through hole, the vertical through hole extends from the middle part of the pressing plate to one end with larger width, and the second guide column (22211) penetrates through the vertical through hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210721651.4A CN115055713B (en) | 2020-09-03 | 2020-09-03 | High-precision machining method for motor seat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010914519.6A CN112207310B (en) | 2020-09-03 | 2020-09-03 | Use method of motor base tool |
| CN202210721651.4A CN115055713B (en) | 2020-09-03 | 2020-09-03 | High-precision machining method for motor seat |
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| CN202010914519.6A Division CN112207310B (en) | 2020-09-03 | 2020-09-03 | Use method of motor base tool |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN112207310B (en) | 2022-07-08 |
| CN112207310A (en) | 2021-01-12 |
| CN115055713A (en) | 2022-09-16 |
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