CN113263329A

CN113263329A - Drilling machining equipment for manufacturing motor base

Info

Publication number: CN113263329A
Application number: CN202110810851.2A
Authority: CN
Inventors: 陈亚南
Original assignee: Jiangsu Tesu New Energy Technology Co ltd
Current assignee: Jiangsu Tesu New Energy Technology Co ltd
Priority date: 2021-07-19
Filing date: 2021-07-19
Publication date: 2021-08-17

Abstract

The invention relates to drilling processing equipment for manufacturing a motor base, which comprises a base, a lifting positioning table arranged on the base and two adjustable drill jig devices assembled on the base, wherein the lifting positioning table comprises a positioning rod and a positioning rod; the two adjustable drill jig devices are arranged on two sides of the lifting positioning table in a mirror symmetry manner; in the pilot hole course of working to the both ends of the motor frame of electric automobile accessory motor, compare in current processing mode, adopt this processing equipment to carry out motor frame pilot hole processing and solved the problem that the course of working is loaded down with trivial details, inefficiency to and avoided causing the problem that great hole site deviation influences the assembly precision because of misoperation.

Description

Drilling machining equipment for manufacturing motor base

Technical Field

The invention relates to the technical field of manufacturing and processing of electric automobile accessories, and particularly provides drilling and processing equipment for manufacturing a motor base.

Background

With the gradual consumption of fossil energy, electric automobiles as new energy automobiles are gradually and vigorously developed with the ecological advantages of environmental protection and sustainable development, and the transformation of the traditional automobile industry to the green, environmental protection and energy conservation direction is promoted. The electric automobile parts are important parts forming the whole automobile system of the electric automobile; compared with the traditional fossil energy automobile, the motor, the battery and the like are used as core components different from the traditional automobile; the motor is a power source of the electric automobile, is equivalent to an engine and a gearbox in the traditional automobile, and is a core power accessory of the electric automobile.

The main structure of a motor used by an electric automobile is basically the same as that of a common motor, and a motor base in the motor is used as a protective shell of a stator, a rotor, a winding and the like in the motor on one hand and is used as a carrier for fixedly mounting the motor on the other hand. The both ends of motor frame need be through bolt mounting front end housing and rear end housing, therefore the motor frame after the machine-shaping still need drill and the tapping processing at both ends, in traditional course of working, generally need hit the position of confirming the pilot hole in advance, and need accomplish drilling and tapping one by one in the pilot hole course of working, consequently, it is very obvious, appear comparatively loaded down with trivial details to the course of working of motor frame both ends pilot hole under traditional processing mode, machining efficiency is lower, and cause great hole site deviation because of misoperation easily in the course of working, thereby influence the assembly precision.

Disclosure of Invention

The invention provides drilling processing equipment for manufacturing a motor base, which is used for solving the problems in the background technology.

In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a drilling processing device for manufacturing a motor base comprises a base, a lifting positioning table arranged on the base and two adjustable drill jig devices assembled on the base; the two adjustable drill jig devices are arranged on two sides of the lifting positioning table in a mirror symmetry manner; wherein: the adjustable drill jig device comprises a drilling propelling mechanism, an adjustable drill spindle mechanism and an adjustable driving mechanism; the drilling propulsion mechanism comprises a stroke vertical plate which is horizontally and slidably arranged on the base, and the stroke vertical plate slides along the direction close to or far away from the lifting positioning table; the adjustable drill spindle mechanism is assembled on the stroke vertical plate and comprises a plurality of drill spindles which are uniformly distributed on the circumference, the axial direction of the drill spindles is along the horizontal direction, and the distance between the plurality of drill spindles and a central shaft which is distributed on the circumference is synchronously adjustable; fixed ends for fixing drill bits are arranged at one ends, close to the lifting positioning table, of the drill shafts; the adjustable driving mechanism is arranged on the plate surface of the stroke vertical plate, which is back to the lifting positioning table, and is used for driving the plurality of drilling shafts to synchronously rotate; in the two adjustable drill jig devices, the central axes of the two groups of drill shafts in which the circumferences are distributed are coincident.

Preferably, the lifting positioning table comprises a lifting adjusting mechanism assembled on the base and a positioning placing table assembled at the lifting end of the lifting adjusting mechanism and used for placing and positioning the motor base.

Preferably, a plurality of rectangular holes are uniformly distributed on the circumference of the stroke vertical plate; the adjustable drill spindle mechanism further comprises a rotary mounting frame, a drill spindle adjusting rod, a hinged base, a sliding rail, a sliding block and a connecting rod; rotatory mounting bracket is fixed dorsad on the stroke riser on the face of lift location platform, the middle part horizontal rotation of drilling spindle regulation pole is installed on rotatory mounting bracket, the one end that the drilling spindle regulation pole is close to the stroke riser rotates to be connected on the stroke riser, just the drilling spindle regulation pole is located a plurality of the center in rectangular hole, articulated base with drilling spindle regulation pole threaded connection, every rectangular hole department all corresponds installs the slide rail, the direction of slide rail intersect in the center pin of drilling spindle regulation pole, every all correspond on the slide rail and slide and be provided with the slider, it is a plurality of drilling spindle one-to-one horizontal rotation is installed a plurality of on the slider, every the slider with between the articulated base all through the articulated mode in connecting rod both ends is connected.

Preferably, the adjustable driving mechanism comprises two brackets, two bidirectional screws, an adjusting shaft, two motor bases, two driving motors and a transmission belt; the two supports are distributed on two sides of the rotary mounting frame and are fixed on the plate surface of the stroke vertical plate, the two bidirectional screw rods are rotatably mounted on the two supports, the adjusting shaft is positioned between the two bidirectional screw rods and is rotatably mounted on one of the supports, a driving gear is arranged on the adjusting shaft, and driven gears meshed with the driving gear are arranged at shaft ends of the two bidirectional screw rods; two be provided with two motor cabinets between the two-way lead screw and along its axial symmetry, all with motor cabinet threaded connection on two screw threads on the two-way lead screw are turned to opposite screw thread section, two driving motor one-to-one fixed mounting is two on the motor cabinet, two all be provided with driving pulley on driving motor's the output shaft, it is a plurality of keep away from on the drilling spindle the one end of lift location platform all is provided with driven pulleys, the transmission belt cover is established all on the driven pulleys and by two the driving pulley drives.

Preferably, the lifting adjusting mechanism comprises a lifting platform arranged horizontally, a plurality of guide posts vertically fixed on the bottom end surface of the lifting platform and a hand wheel adjusting shaft vertically and rotatably installed on the bottom end surface of the lifting platform; the guide posts are vertically and slidably arranged on the base, and the hand wheel adjusting shaft is in threaded connection with the base; the positioning placing table is fixed on the upper end face of the lifting table.

Preferably, the positioning placing table comprises a raising platform fixedly mounted on the upper end surface of the lifting table and two positioning assemblies arranged on the raising platform in a mirror symmetry manner.

Preferably, the heightening platform is rectangular, sliding grooves are formed in two opposite rectangular edge positions of the heightening platform, and the guiding direction of each sliding groove is perpendicular to the sliding direction of the stroke vertical plate; the two positioning assemblies are correspondingly arranged at the positions of the two sliding grooves one by one, and each positioning assembly comprises an adjusting screw rod, a positioning barrier strip and two side stop blocks; adjusting screw is located in the spout and with it is connected to advance up the horizontal rotation of platform, the location blend stop with spout sliding fit and with adjusting screw threaded connection, two side dog movable mounting is in lean on interior lateral wall end on the location blend stop.

Preferably, the base is horizontally provided with two guide rods, the stroke vertical plate is horizontally arranged between the two guide rods in a sliding manner, the drilling propulsion mechanism further comprises a propulsion cylinder horizontally fixed on the base, and the stroke vertical plate is fixedly connected with the output end of the propulsion cylinder.

The technical scheme has the following advantages or beneficial effects: 1. the invention provides drilling processing equipment for manufacturing a motor base, which is used for processing assembly holes of the motor base of a motor of an electric automobile accessory compared with the existing processing mode in the process of processing the assembly holes at two ends of the motor base.

2. The invention provides drilling processing equipment for manufacturing a motor base, wherein adjustable drill jig devices are symmetrically distributed on two sides of a lifting positioning table, and the lifting positioning table can be used for lifting and positioning adjustment by taking the adjustable drill jig devices as references, so that the drilling processing equipment can be used for positioning and placing the motor base.

3. The invention provides drilling processing equipment for manufacturing a motor base, wherein an adjustable drill spindle mechanism in an adjustable drill jig device can perform matching adjustment of machining positions aiming at motor bases with different sizes of adaptive structures, an adjustable driving mechanism can perform rapid corresponding adjustment with the adjustment process of the adjustable drill spindle mechanism, the adjustment process is convenient and rapid, and a lifting positioning table can perform alignment adjustment of a central shaft aiming at the motor bases with different sizes, so that the processing equipment can meet the processing requirements of motor base assembling holes with different sizes of adaptive structures, and the applicability of the processing equipment is greatly improved.

Drawings

The invention and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. The drawings, in which like numerals refer to like parts throughout the several views and which are not necessarily drawn to scale, emphasis instead being placed upon illustrating the principles of the invention.

Fig. 1 is a schematic perspective view of a drilling device for manufacturing a motor base according to the present invention.

Fig. 2 is a partially enlarged schematic view at a in fig. 1.

Fig. 3 is a partially enlarged schematic view at B in fig. 1.

Fig. 4 is a top view of the drilling processing equipment for manufacturing the motor base.

Fig. 5 is a side view of the drilling processing equipment for manufacturing the motor base.

Fig. 6 is a schematic view of a machining state of the drilling machining equipment for manufacturing the motor base.

Fig. 7 is a schematic product structure diagram of a motor base with one structure suitable for being processed by the motor base manufacturing and drilling equipment provided by the invention.

In the figure: 01. a base; 1. a guide bar; 02. lifting and positioning the platform; 2. a lifting adjusting mechanism; 21. a lifting platform; 22. a guide post; 23. a hand wheel adjusting shaft; 3. positioning a placing table; 31. raising the platform; 311. a chute; 32. a positioning assembly; 321. adjusting the screw rod; 322. positioning the barrier strip; 323. a side stop block; 03. an adjustable drill jig device; 4. a drilling propulsion mechanism; 41. propelling the cylinder; 42. a stroke vertical plate; 421. a rectangular hole; 5. an adjustable drill spindle mechanism; 51. rotating the mounting rack; 52. a drill spindle adjusting rod; 53. a hinged base; 54. a slide rail; 55. a slider; 56. a connecting rod; 57. a drill shaft; 571. a driven pulley; 572. a fixed end; 6. an adjustable drive mechanism; 61. a support; 62. a bidirectional lead screw; 621. a driven gear; 63. an adjustment shaft; 631. a driving gear; 64. a motor base; 65. a drive motor; 651. a drive pulley; 66. a drive belt; 04. a motor base; 04a, assembly holes.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for the purpose of providing those skilled in the art with a more complete, accurate and thorough understanding of the concept and technical solution of the present invention, and to facilitate the implementation thereof, but not to limit the present invention.

Referring to fig. 1-7, a drilling processing device for manufacturing a motor base comprises a base 01, a lifting positioning table 02 arranged on the base 01, and two adjustable drill jig devices 03 assembled on the base 01; the two adjustable jig devices 03 are arranged on two sides of the lifting positioning table 02 in a mirror symmetry manner.

The lifting positioning table 02 comprises a lifting adjusting mechanism 2 assembled on the base 01 and a positioning placing table 3 assembled at the lifting end of the lifting adjusting mechanism 2 and used for placing and positioning the motor base 04.

The lifting adjusting mechanism 2 comprises a lifting platform 21, four guide posts 22 and a hand wheel adjusting shaft 23, wherein the lifting platform 21 is horizontally arranged, the four guide posts 22 are vertically welded on the bottom end face of the lifting platform 21, the hand wheel adjusting shaft 23 is vertically and rotatably installed on the bottom end face of the lifting platform 21 through bearings, the hand wheel adjusting shaft 23 is located in the center of the bottom end face of the lifting platform 21, and the four guide posts 22 are uniformly distributed around the hand wheel adjusting shaft 23 in a circumferential manner; the four guide posts 22 are vertically and slidably arranged on the base 01, and the hand wheel adjusting shaft 23 is in threaded connection with the base 01; the positioning and placing table 3 is fixed to the upper end surface of the elevating table 21.

When the motor base 04 with a specific size structure is processed, the height of the adjustable drill jig device 03 is not adjustable, that is, the position of the center line between the four drill shafts 57 is fixed, so that the center axis of the inner circle of the motor base 04 placed on the positioning placing table 3 coincides with the distribution center axis of the four drill shafts 57 through the adjustment of the lifting adjusting mechanism 2, during specific work, the lifting table 21 is driven to ascend or descend along with the rotation of the hand wheel adjusting shaft 23 under the vertical guide of the four guide pillars 22, so as to drive the positioning placing table 3 to ascend or descend synchronously with the lifting table 21, and then the center axis of the inner circle of the motor base 04 placed on the bed-up platform 31 can coincide with the distribution center axis of the four drill shafts 57 through the adjustment of the height of the positioning placing table 3.

The positioning placing table 3 comprises a raising platform 31 fixedly arranged on the upper end surface of the lifting table 21 through screws and two positioning components 32 arranged on the raising platform 31 in a mirror symmetry manner; the heightening platform 31 is rectangular, sliding grooves 311 are arranged on two opposite rectangular side positions of the heightening platform 31, and the guide direction of the sliding grooves 311 is perpendicular to the sliding direction of the stroke vertical plate 42; the two positioning assemblies 32 are correspondingly arranged at the positions of the two sliding grooves 311 one by one, and each positioning assembly 32 comprises an adjusting screw 321, a positioning barrier strip 322 and two side stoppers 323; adjusting screw 321 is arranged in chute 311 and is connected with heightening platform 31 horizontal rotation, location blend stop 322 and chute 311 sliding fit and with adjusting screw 321 threaded connection, two side dog 323 movable mounting lean on interior lateral wall end on location blend stop 322, location blend stop 322 has all seted up the removal hole that provides side dog 323 and remove in the position that is close to both ends, and side dog 323 is fixed through lock nut locking.

Placing the motor base 04 to be processed on the end face of the heightening platform 31, and completing the positioning of the motor base 04 through the matching of the two positioning components 32; when the motor base 04 with a specific size and structure is processed, the two positioning assemblies 32 need to be adjusted according to the motor base 04, and during specific work, on one hand, two locking nuts in the positioning assemblies 32 are loosened, then, the two side stop blocks 323 are moved, so that the two side stoppers 323 can be just stuck and clamped at the two ends of the extension direction of the long edge of the fixed leg of the motor base 04, then the two locking nuts are locked again, the adjustment of the side stoppers 323 in the two positioning assemblies 32 is completed in sequence, on the other hand, after the position adjustment of the side stoppers 323 is completed, the two adjusting screws 321 can be sequentially rotated to drive the positioning bars 322 at the respective positions to slide along the sliding grooves 311, and finally the motor base 04 is positioned and limited in the area by the mutual matching of the two positioning bars 322 and the two sets of side stoppers 323, and the central axis of the inner circle of the motor base 04 and the central axes of the four drill spindles 57 in the adjustable drill jig device 03 are positioned on the same vertical plane.

The adjustable drill jig device 03 comprises a drilling propulsion mechanism 4, an adjustable drill spindle mechanism 5 and an adjustable driving mechanism 6; drilling advancing mechanism 4 includes horizontal sliding installation stroke riser 42 on base 01, and stroke riser 42 slides along the direction of being close to or keeping away from lift location platform 02, and base 01 is the level and is provided with two guide arms 1, and stroke riser 42 horizontal sliding sets up between two guide arms 1, and drilling advancing mechanism 4 still includes the propulsion cylinder 41 of fixing on base 01 through the bolt level, and stroke riser 42 and the output fixed connection of propulsion cylinder 41.

The adjustable drill spindle mechanism 5 is assembled on the stroke vertical plate 42, the adjustable drill spindle mechanism 5 comprises four drill spindles 57 uniformly distributed circumferentially, the axial direction of the drill spindles 57 is along the horizontal direction, and the distance between the four drill spindles 57 and a central shaft in which the drill spindles are distributed circumferentially is synchronously adjustable; fixed ends 572 for fixing drill bits are arranged at one ends of the four drill shafts 57 close to the lifting positioning table 02; four rectangular holes 421 are uniformly distributed on the circumference of the stroke vertical plate 42; the adjustable drill spindle mechanism 5 further comprises a rotary mounting frame 51, a drill spindle adjusting rod 52, a hinged base 53, a slide rail 54, a slide block 55 and a connecting rod 56; the rotary mounting frame 51 is fixed on the plate surface of the stroke vertical plate 42, which is opposite to the lifting positioning table 02, the middle part of the drill spindle adjusting rod 52 is horizontally and rotatably mounted on the rotary mounting frame 51, one end, close to the stroke vertical plate 42, of the drill spindle adjusting rod 52 is rotatably connected to the stroke vertical plate 42, the drill spindle adjusting rod 52 is positioned at the centers of the rectangular holes 421, the hinged base 53 is in threaded connection with the drill spindle adjusting rod 52, a sliding rail 54 is correspondingly mounted at each rectangular hole 421, the guiding direction of the sliding rail 54 is intersected with the central shaft of the drill spindle adjusting rod 52, a sliding block 55 is correspondingly and slidably arranged on each sliding rail 54, the drill spindles 57 are horizontally and rotatably mounted on the sliding blocks 55 in a one-to-one correspondence manner, and each sliding block 55 is connected with the hinged base 53 through a connecting rod 56; in the two adjustable jig devices 03, the central axes of the two sets of drill spindles 57, where the circumferences are distributed, coincide, so that the two adjustable jig devices 03 distributed on the two sides of the lifting positioning table 02 can simultaneously process the assembly holes 04a at the two ends of the motor base 04.

When the motor base 04 with a specific size structure is processed, the distribution positions of the four drill shafts 57 need to be adjusted through the adjustable drill shaft mechanism 5 according to the design positions of the assembly holes 04a at the two ends of the motor base 04, during specific work, the hinge base 53 is driven to move axially by rotating the drill shaft adjusting rod 52, so that the sliding blocks 55 of the connecting ends are synchronously driven to slide along the sliding rails 54 through the four connecting rods 56 under the movement of the hinge base 53, the distance between the four drill shafts 57 and the distribution center shaft is synchronously adjusted, and finally the four drill shafts 57 are distributed at the design positions of the four assembly holes 04a through adjustment.

The adjustable driving mechanism 6 is arranged on the plate surface of the stroke vertical plate 42 back to the lifting positioning table 02 and is used for driving the four drilling shafts 57 to synchronously rotate; the adjustable driving mechanism 6 comprises two brackets 61, two bidirectional screw rods 62, an adjusting shaft 63, two motor bases 64, two driving motors 65 and a transmission belt 66; the two brackets 61 are distributed on two sides of the rotary mounting frame 51 and are welded on the plate surface of the stroke vertical plate 42, the two bidirectional screw rods 62 are rotatably mounted on the two brackets 61, the adjusting shaft 63 is positioned between the two bidirectional screw rods 62 and is rotatably mounted on one of the brackets 61, the adjusting shaft 63 is provided with a driving gear 631, and the shaft ends of the two bidirectional screw rods 62 are provided with driven gears 621 meshed with the driving gear 631; two motor bases 64 are symmetrically arranged between the two bidirectional screw rods 62 along the axial direction of the two bidirectional screw rods 62, the two screw thread sections with opposite screw thread turning directions on the bidirectional screw rods 62 are in threaded connection with the motor bases 64, the two driving motors 65 are fixedly installed on the two motor bases 64 in a one-to-one correspondence mode through bolts, driving belt wheels 651 are arranged on output shafts of the two driving motors 65, driven belt wheels 571 are arranged at one ends, far away from the lifting positioning table 02, of the four drill shafts 57, and the driving belt 66 is sleeved on all the driven belt wheels 571 and driven by the two driving belt wheels 651.

When the distribution positions of the four drill shafts 57 are adjusted, corresponding adjustment of the adjustable driving mechanism 6 needs to be completed, during specific work, the adjusting shaft 63 is rotated, so that the driving gear 631 drives the driven gear 621 to drive the two bidirectional screws 62 to synchronously rotate, then the two bidirectional screws 62 drive the two driving motors 65 to oppositely move or move back to back along with the motor base 64, and after the adjustable drill shaft mechanism 5 completes synchronous adjustment, the two driving pulleys 651 are kept in contact with the driving belt 66, and the driving belt 66 is kept in a tightened state.

In this embodiment, four drill shafts 57 are specifically assembled in the adjustable jig device 03, and fig. 7 is a schematic diagram illustrating a product structure of the motor base 04 suitable for being processed by the processing device, that is, four assembly holes 04a uniformly distributed around the circumference of the central shaft need to be processed at both ends of the motor base 04, it should be noted that the motor base 04 having the structure shown in fig. 7 is only one of schematic structures, and it does not mean that the processing device is only suitable for processing the motor base 04 having the specific structure, but the embodiment is suitable for processing and manufacturing the motor base 04 having four assembly holes 04a uniformly distributed at both ends.

The invention provides drilling processing equipment for manufacturing a motor base, which can synchronously process the assembly holes 04a at two ends of the motor base 04 used as an electric automobile accessory through the processing device, compared with the traditional assembly hole 04a processing process, the processing device can synchronously process all the assembly holes 04a at two end positions by using the time for finishing processing one assembly hole 04a, the processing efficiency is greatly improved, the processing is convenient, and the processing uniformity is high; when the machining device is used for machining the assembling hole 04a of the motor base 04, the machining steps are as follows: the method comprises the following steps: the positioning placing table 3 is adjusted according to the size of the motor base 04 to be processed, so that the motor base 04 can be positioned and placed in the area defined by the two positioning assemblies 32, and the inner circle central shaft of the placed motor base 04 and the distribution central shafts of the four drill shafts 57 are positioned on the same vertical plane.

And step two, on the basis of the adjustment in the step one, the adjustment of the lifting adjusting mechanism 2 is completed, and the height of the positioning placing table 3 after the adjustment enables the central axis of the inner circle of the motor base 04 after the motor base 04 is placed to be coincident with the central axes of the four drill shafts 57.

And thirdly, designing distribution positions of the assembly holes 04a at two ends of the motor base 04 to be processed to finish corresponding adjustment of the adjustable drill shaft mechanism 5 and the adjustable driving mechanism 6, so that the four drill shafts 57 are positioned at the processing positions of the assembly holes 04a, and the four drill shafts 57 can be synchronously driven by the adjusting driving mechanism.

Step four: selecting a corresponding drill according to the diameter of the assembling hole 04a of the motor base 04 and the drilling depth, and fixedly mounting the drill at the fixed end 572 of each drill shaft 57 correspondingly; the motor mount 04 is then positioned on the end face of the elevated platform 31.

Step five: the two driving motors 65 in the adjustable driving mechanism 6 are synchronously started, so that the four driven pulleys 571 are driven by the two driving pulleys 651 to complete the synchronous rotation of the four drilling shafts 57 through the driving belt 66, and then the propulsion cylinder 41 is started to drive the stroke vertical plate 42 to approach the motor base 04 along the two guide rods 1, so that the drilling processing of the assembling holes 04a at the two ends of the motor base 04 is synchronously completed through the two adjustable drill jig devices 03.

Step six: and withdrawing the drill bits after the drilling processing of the assembly holes 04a is finished, replacing each drill bit with a screw tap with a corresponding size, wherein the tapping process of the assembly holes 04a is basically consistent with the drilling process, namely, the tapping processing of each assembly hole 04a is finished by repeating the action process of the step five, the screw tap is withdrawn after the processing is finished, and the motor base 04 which is finished with the processing is dismounted.

Those skilled in the art will appreciate that variations may be implemented by those skilled in the art in combination with the prior art and the above-described embodiments, and will not be described in detail herein. Such variations do not affect the essence of the present invention and are not described herein.

The above description is of the preferred embodiment of the invention. It is to be understood that the invention is not limited to the particular embodiments described above, in that devices and structures not described in detail are understood to be implemented in a manner common in the art; the skilled person in this field can make many possible variations and modifications, or modify equivalent embodiments, without departing from the invention, without affecting the essence of the invention; therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention are still within the scope of the protection of the technical solution of the present invention, unless the contents of the technical solution of the present invention are departed.

Claims

1. The utility model provides a drilling processing equipment is made to motor frame which characterized in that: comprises a base (01), a lifting positioning platform (02) arranged on the base (01) and two adjustable drill jig devices (03) assembled on the base (01); the two adjustable drill jig devices (03) are arranged on two sides of the lifting positioning table (02) in a mirror symmetry manner; wherein: the adjustable drill jig device (03) comprises a drilling propelling mechanism (4), an adjustable drill spindle mechanism (5) and an adjustable driving mechanism (6); the drilling propulsion mechanism (4) comprises a stroke vertical plate (42) which is horizontally and slidably mounted on the base (01), and the stroke vertical plate (42) slides in the direction close to or far away from the lifting positioning table (02); the adjustable drill spindle mechanism (5) is assembled on the stroke vertical plate (42), the adjustable drill spindle mechanism (5) comprises a plurality of drill spindles (57) which are uniformly distributed on the circumference, the axial direction of the drill spindles (57) is along the horizontal direction, and the distance between the plurality of drill spindles (57) and the central shaft which is distributed on the circumference is synchronously adjustable; fixed ends (572) for fixing drill bits are arranged at one ends, close to the lifting positioning table (02), of the drill shafts (57); the adjustable driving mechanism (6) is arranged on the plate surface of the stroke vertical plate (42) back to the lifting positioning table (02) and is used for driving the plurality of drilling shafts (57) to synchronously rotate; in the two adjustable drill jig devices (03), the central axes of the two groups of drill shafts (57) where the circumferences are distributed are overlapped;

a plurality of rectangular holes (421) are uniformly distributed on the circumference of the stroke vertical plate (42); the adjustable drill spindle mechanism (5) further comprises a rotary mounting frame (51), a drill spindle adjusting rod (52), a hinged base (53), a sliding rail (54), a sliding block (55) and a connecting rod (56); the rotary mounting frame (51) is fixed on the plate surface of the lifting positioning table (02) on the stroke vertical plate (42), the middle part of the drill spindle adjusting rod (52) is horizontally and rotatably mounted on the rotary mounting frame (51), one end, close to the stroke vertical plate (42), of the drill spindle adjusting rod (52) is rotatably connected to the stroke vertical plate (42), the drill spindle adjusting rod (52) is located at the center of a plurality of rectangular holes (421), the hinged base (53) is in threaded connection with the drill spindle adjusting rod (52), each rectangular hole (421) is correspondingly provided with the slide rail (54), the guide directions of the slide rails (54) are intersected with the central shaft of the drill spindle adjusting rod (52), each slide rail (54) is correspondingly and slidably provided with the slide block (55), and a plurality of drill spindles (57) are horizontally and rotatably mounted on a plurality of slide blocks (55) one by one, each sliding block (55) is connected with the hinged base (53) in a manner that two ends of the connecting rod (56) are hinged.

2. The motor base manufacturing and drilling machining device according to claim 1, characterized in that: the adjustable driving mechanism (6) comprises two brackets (61), two bidirectional screw rods (62), an adjusting shaft (63), two motor bases (64), two driving motors (65) and a transmission belt (66); the two supports (61) are distributed on two sides of the rotary mounting frame (51) and are fixed on the plate surface of the stroke vertical plate (42), the two bidirectional screw rods (62) are rotatably mounted on the two supports (61), the adjusting shaft (63) is positioned between the two bidirectional screw rods (62) and is rotatably mounted on one of the supports (61), a driving gear (631) is arranged on the adjusting shaft (63), and driven gears (621) meshed with the driving gear (631) are arranged at the shaft ends of the two bidirectional screw rods (62); two motor bases (64) are symmetrically arranged between the two bidirectional screw rods (62) along the axial direction of the two bidirectional screw rods, the two screw thread sections with opposite thread turning directions on the two bidirectional screw rods (62) are in threaded connection with the motor bases (64), the two driving motors (65) are fixedly installed on the two motor bases (64) in a one-to-one correspondence mode, driving belt wheels (651) are arranged on output shafts of the two driving motors (65), driven belt wheels (571) are arranged at one ends, far away from the lifting positioning table (02), of the drill shafts (57), and the driving belts (66) are sleeved on all the driven belt wheels (571) and driven by the two driving belt wheels (651).

3. The motor base manufacturing and drilling machining device according to claim 1, characterized in that: the lifting positioning table (02) comprises a lifting adjusting mechanism (2) assembled on the base (01) and a positioning placing table (3) assembled at the lifting end of the lifting adjusting mechanism (2) and used for placing and positioning the motor base.

4. The motor base manufacturing and drilling machining device according to claim 3, characterized in that: the lifting adjusting mechanism (2) comprises a lifting platform (21) which is horizontally arranged, a plurality of guide posts (22) which are vertically fixed on the bottom end face of the lifting platform (21) and a hand wheel adjusting shaft (23) which is vertically and rotatably arranged on the bottom end face of the lifting platform (21); the guide columns (22) are vertically and slidably arranged on the base (01), and the hand wheel adjusting shaft (23) is in threaded connection with the base (01); the positioning placing table (3) is fixed on the upper end face of the lifting table (21).

5. The motor base manufacturing and drilling machining device according to claim 4, characterized in that: the positioning placing table (3) comprises a heightening platform (31) fixedly mounted on the upper end face of the lifting table (21) and two positioning assemblies (32) which are arranged on the heightening platform (31) in a mirror symmetry mode.

6. The motor base manufacturing and drilling machining device according to claim 5, characterized in that: the heightening platform (31) is rectangular, sliding grooves (311) are formed in two opposite rectangular side positions of the heightening platform (31), and the guiding direction of each sliding groove (311) is perpendicular to the sliding direction of the stroke vertical plate (42); the two positioning assemblies (32) are correspondingly arranged at the positions of the two sliding grooves (311) one by one, and each positioning assembly (32) comprises an adjusting screw rod (321), a positioning barrier strip (322) and two side stop blocks (323); adjusting screw (321) is located in spout (311) and with it rotates to be connected to advance capital for high platform (31) level, location blend stop (322) with spout (311) sliding fit and with adjusting screw (321) threaded connection, two side dog (323) movable mounting is in lean on interior lateral wall end on location blend stop (322).

7. The motor base manufacturing and drilling machining device according to claim 1, characterized in that: the drilling and propelling mechanism is characterized in that two guide rods (1) are horizontally arranged on the base (01), the stroke vertical plate (42) is horizontally arranged between the two guide rods (1) in a sliding mode, the drilling and propelling mechanism (4) further comprises a propelling cylinder (41) which is horizontally fixed on the base (01), and the stroke vertical plate (42) is fixedly connected with the output end of the propelling cylinder (41).