CN220901956U - Boring machine tool for inner hole of motor base - Google Patents

Abstract

The application relates to a boring machine tool for an inner hole of a motor base, which comprises a base, a motor base clamping mechanism and a boring mechanism movably arranged on the base, wherein the boring mechanism comprises a lifting seat, a main shaft and a boring cutter; the motor base clamping mechanism comprises a mounting seat, a pressing plate and a driving piece for driving the pressing plate to lift, the pressing plate is arranged above the mounting seat, a avoiding groove for the boring cutter to slide is formed in the pressing plate, a clamping space for accommodating the motor base is formed between the pressing plate and the mounting seat, and the pressing plate is used for pressing the motor base on the mounting seat. The motor base is vertically fixed, the boring cutter is driven by the main shaft to bore holes, and compared with the rotation of the motor base, the boring cutter is driven by the main shaft to rotate more stably, so that the boring machine tool is good in safety, and meanwhile, deviation of boring positions is not easy to occur.

Description

Boring machine tool for inner hole of motor base

Technical Field

The application relates to the technical field of motor base stator mounting hole machining, in particular to a motor base inner hole boring machine tool.

Background

The motor is a power device commonly used for electric equipment, the coaxiality of a stator when the motor runs is an important index, two ends of the motor stator are respectively connected to a motor base through a bearing and an end cover, and the coaxiality of a stator mounting hole, a bearing hole and an end cover hole of the motor base must be strictly controlled to ensure that the coaxiality of the stator meets the requirement.

In the boring machine tool for the motor base in the related art, a mounting seat for fixing the motor base is rotatably arranged, and a boring cutter drill bit slides in the motor base to realize boring. But find in the course of working that the mount pad quality is big, and when the motor frame is vertical to be fixed in and rotate on the mount pad, its focus is difficult to coincide with the axis of rotation of motor frame, leads to rotating unstably, has the potential safety hazard, makes the bore hole appear the deviation simultaneously easily, influences the quality of motor.

Disclosure of utility model

In order to reduce deviation of boring positions of a motor base, the application provides a boring machine tool for an inner hole of the motor base.

The application provides a boring machine tool for an inner hole of a motor base, which adopts the following technical scheme:

The boring machine tool comprises a machine base, a motor base clamping mechanism and a boring mechanism movably arranged on the machine base, wherein the boring mechanism comprises a lifting seat, a main shaft and a boring cutter, the lifting seat is arranged on the machine base in a sliding manner, the sliding direction of the machine base is vertical, the main shaft is rotatably arranged on the lifting seat, and the boring cutter is arranged at the bottom end of the main shaft; the motor frame clamping mechanism comprises a mounting seat, a pressing plate and a driving piece for driving the pressing plate to lift, wherein the pressing plate is arranged above the mounting seat, a avoiding groove for the boring cutter to slide is formed in the pressing plate, a clamping space for accommodating the motor frame is formed between the pressing plate and the mounting seat, and the pressing plate is used for pressing the motor frame on the mounting seat.

By adopting the technical scheme, the motor base is vertically clamped between the pressing plate and the mounting seat to form fixation, the main shaft is vertically arranged, and when the main shaft rotates and moves vertically, the boring cutter bores holes; the main shaft is vertically arranged, so that the main shaft is not easy to skew, the motor base is vertically fixed, and the top surface and the bottom surface of the motor base are all abutted, so that the stability of the motor base in a vertical state is good, and meanwhile, the boring position is not easy to deviate. The motor base does not rotate, so that the problem that the gravity center of the motor base and the rotation axis of the base are not coincident is solved, and the safety during boring is improved.

Optionally, a plurality of boring cutters are provided, and a plurality of boring cutters are circumferentially arranged around the axis of the spindle.

By adopting the technical scheme, a plurality of boring cutters are arranged, so that boring efficiency is improved.

Optionally, the boring cutters are uniformly arranged around the circumference of the axis of the spindle.

By adopting the technical scheme, the center of gravity of the main shafts during rotation is overlapped with the axis of the main shafts, and the rotation stability of the main shafts is improved.

Optionally, the main shaft bottom is provided with the mounting disc that supplies the boring cutter to install, the mounting disc includes fixed disk and fixed cover, the fixed disk is coaxial to be fixed in the bottom of main shaft, a plurality of double-layered grooves that hold the boring cutter have been seted up to the diapire of fixed disk, the double-layered groove evenly sets up around main shaft circumference, the double-layered groove runs through the outer wall of fixed disk, the degree of depth of double-layered groove is less than the thickness of boring cutter, the fixed cover passes through the bolt fastening in the fixed disk bottom surface.

By adopting the technical scheme, because the depth of the clamping groove is smaller than the thickness of the boring cutter, the fixing cover tightly presses the boring cutters in the clamping groove, so that the boring cutters are convenient to install at the same time, and the boring cutters are convenient to install. The clamping groove has a positioning effect, so that the positions of a plurality of boring cutters can be conveniently determined.

Optionally, the top of the mounting seat is provided with a plurality of support arms, the support arms are arranged around the circumference of the clamping space, the top of the support arms is slidably provided with a vertical guide rod, and the compacting plates are arranged on the guide rod; the driving piece is a driving cylinder, the driving cylinder is arranged on the mounting seat, and the telescopic shaft of the driving cylinder is used for fixing the compacting plate.

Through adopting above-mentioned technical scheme, through setting up the slip to the pressure strip of guide bar and leading, improve the sliding stability of pressure strip.

Optionally, a plurality of support arms are arranged on the stand, vertical guide rods are slidably arranged at the tops of the support arms, and the compacting plates are arranged on the guide rods; the driving piece is a driving cylinder, the driving cylinder is arranged on the machine base, the compression plate is fixed by the telescopic shaft of the driving cylinder, the mounting seat is positioned below the compression plate, and a plurality of supporting arms are circumferentially distributed around the mounting seat.

Through adopting above-mentioned technical scheme, through setting up the slip to the pressure strip of guide bar and leading, improve the sliding stability of pressure strip.

Optionally, the horizontal driving assembly is used for driving the installation seat to slide, the horizontal driving assembly comprises a horizontal oil cylinder and a horizontal sliding rail, the horizontal sliding rail is fixed on the machine base, the installation seat is connected onto the horizontal sliding rail in a sliding mode, the horizontal oil cylinder is fixed on the machine base, and the piston shaft of the horizontal oil cylinder is fixedly provided with the installation seat.

By adopting the technical scheme, when blanking or feeding, the horizontal oil cylinder drives the mounting seat to slide to the edge close to the base, thereby facilitating blanking or feeding.

Optionally, the vertical driving assembly is used for driving the lifting seat to vertically slide, the vertical driving assembly comprises a vertical screw rod, a vertical motor and a vertical sliding rail, the vertical sliding rail is fixed on the side wall of the machine base, the lifting seat is slidably connected onto the vertical sliding rail, the vertical screw rod is rotationally connected onto the side wall of the machine base, the vertical motor drives the vertical screw rod to rotate, and the lifting seat is in threaded connection with the vertical screw rod.

Through adopting above-mentioned technical scheme, vertical motor drive vertical lead screw rotates to make the lifting seat slide, make things convenient for boring cutter to rotate and slide in motor frame vertically and bore hole.

Optionally, a boss is arranged on the mounting seat, and the circumferential outer wall of the boss contacts the inner wall of the motor base.

By adopting the technical scheme, the boss is used for positioning the position of the motor base, so that the accuracy of the position of the motor base during feeding is improved, and the accuracy of the boring position is further improved.

Optionally, the bottom surface of the compacting plate is provided with a limiting ring groove, and the limiting ring groove is used for accommodating the motor base.

By adopting the technical scheme, the motor base is limited by the limiting ring groove, so that the compressed stability of the motor base is improved.

In summary, the present application includes at least one of the following beneficial technical effects:

1. The motor base is vertically fixed, the boring cutter is driven by the main shaft to bore, and compared with the rotation of the motor base, the boring cutter is driven by the main shaft to rotate more stably, so that the boring machine tool is good in safety, and meanwhile, deviation of the boring position is not easy to occur;

2. The boring cutters are uniformly arranged along the circumferential direction of the axis of the main shaft, so that the boring efficiency is improved, the center of gravity of the main shaft is coincided with the rotation axis, the rotation stability of the main shaft is improved, and the boring accuracy is ensured;

3. Through setting up fixed disk, fixed lid and mounting groove, make things convenient for a plurality of boring cutters to fix simultaneously, and evenly set up in the circumference of main shaft axis, make boring cutter simple to operate.

4. The boss and the limit ring groove are arranged, so that the installation position of the motor base is accurate, and the boring position on the motor base is accurate.

Drawings

Fig. 1 is a schematic view of the motor base inner hole boring machine according to embodiment 1 of the present application, mainly showing the structure of the side face of the motor base inner hole boring machine.

Fig. 2 is a split view of the mounting plate of embodiment 1, mainly showing the structures of the fixing plate and the fixing cover.

Fig. 3 is a second overall schematic diagram of embodiment 1, mainly showing the structure of the boss.

Fig. 4 is an overall schematic diagram of embodiment 2, mainly showing the positions and structures of the mount, the slide rail, and the support arm.

Reference numerals illustrate: 1. a base; 2. a motor base clamping mechanism; 21. a mounting base; 211. a support arm; 2111. a guide groove; 2112. a guide rod; 212. a clamping space; 213. a boss; 22. a compacting plate; 221. an avoidance groove; 223. a limit ring groove; 23. a driving member; 231. a drive cylinder; 3. boring mechanism; 31. a lifting seat; 32. a main shaft; 33. boring cutter; 4. a motor base; 5. a vertical drive assembly; 51. a vertical screw rod; 52. a vertical motor; 53. a vertical slide rail; 6. a mounting plate; 61. a fixed cover; 62. a fixed plate; 63. a clamping groove; 7. boring a motor; 8. a horizontal drive assembly; 81. a horizontal cylinder; 82. a horizontal slide rail.

Detailed Description

The application is described in further detail below with reference to the drawings and examples.

Example 1

The embodiment 1 of the application discloses a boring machine tool for an inner hole of a motor base. Referring to fig. 1, the motor base inner hole boring machine tool comprises a base 1, a motor base clamping mechanism 2 and a boring mechanism 3 movably arranged on the base 1. The motor base clamping mechanism 2 is used for fixing the motor base 4, and the boring mechanism 3 is used for boring the motor base 4.

Referring to fig. 1, the boring mechanism 3 includes a lifting seat 31, a spindle 32, and a boring tool 33, where the lifting seat 31 is slidably connected to the base 1, and a sliding direction of the base 1 is vertical. The motor base inner hole boring machine tool further comprises a vertical driving assembly 5 for driving the lifting seat 31 to vertically slide, and the vertical driving assembly 5 comprises a vertical screw rod 51, a vertical motor 52 and a vertical sliding rail 53. The number of the vertical sliding rails 53 is two, the vertical sliding rails 53 are mutually parallel and fixed on the side wall of the machine base 1, and the length direction of the vertical sliding rails 53 is the vertical direction.

Referring to fig. 1, the lifting seat 31 is slidably connected to two vertical sliding rails 53, two ends of the vertical screw rod 51 are rotatably connected to the side wall of the base 1, the vertical screw rod 51 is located between the two vertical sliding rails 53, and the length direction of the vertical screw rod 51 is the same as the length direction of the vertical sliding rails 53. The vertical motor 52 is fixed at the top of the base, the top end of the vertical screw rod 51 is coaxially fixed on the motor shaft of the vertical motor 52, the lifting seat 31 is in threaded connection with the vertical screw rod 51, and the vertical motor 52 drives the vertical screw rod 51 to rotate positively or reversely, so that the lifting seat 31 is driven to displace vertically.

Referring to fig. 2, a main shaft 32 is rotatably connected to an end of a lifting base 31 remote from a machine base 1 through a bearing, a longitudinal direction of the main shaft 32 is a vertical direction, and an axial direction of the main shaft 32 coincides with a center of gravity of the main shaft 32. The boring cutter 33 is disposed at the bottom end of the spindle 32, and a plurality of boring cutters 33 are disposed. The bottom end of the main shaft 32 is connected with a mounting plate 6 for mounting the boring cutter 33, and the mounting plate 6 comprises a fixed plate 62 and a fixed cover 61. The fixed disk 62 is coaxially fixed at the bottom end of the main shaft 32, and a plurality of clamping grooves 63 for accommodating boring cutters 33 are formed in the bottom wall of the fixed disk 62, and the clamping grooves 63 are uniformly arranged around the circumference of the main shaft 32, so that when a plurality of boring cutters 33 are installed in the clamping grooves 63, the boring cutters 33 are uniformly arranged around the circumference of the axis of the main shaft 32. The length direction of the clip groove 63 is along the radial direction of the fixed disk 62, and the clip groove 63 penetrates the circumferential outer wall of the fixed disk 62.

Referring to fig. 2, the depth of the clamping groove 63 is smaller than the thickness of the boring cutter 33, the fixing cover 61 is fixed on the bottom surface of the fixing disc 62 through bolts, and the end part of the boring cutter 33 in the clamping groove 63 is abutted against the groove wall of the clamping groove 63 near the center of the fixing disc 62 to form positioning, so that the lengths of the end parts of the boring cutter 33 protruding out of the fixing disc 62 are the same.

Referring to fig. 2, a boring motor 7 is fixed to the top of the lifting base 31, a motor shaft of the boring motor 7 is vertically downward, the motor shaft of the boring motor 7 is coaxially fixed to the spindle 32, and the boring motor 7 drives the spindle 32 to rotate.

Referring to fig. 1, the motor housing clamping mechanism 2 includes a mounting base 21, a pressing plate 22, and a driving member 23 driving the pressing plate 22 to rise and fall. The mounting seat 21 is slidably connected to the base 1, and the motor base inner hole boring machine further comprises a horizontal driving assembly 8 for driving the mounting seat 21 to slide. The horizontal driving assembly 8 comprises a horizontal oil cylinder 81 and horizontal sliding rails 82, two horizontal sliding rails 82 are arranged, the two horizontal sliding rails 82 are mutually parallel and fixed on the machine base 1, and the length direction of the two horizontal sliding rails 82 is the horizontal direction. The installation seat 21 is connected to the horizontal sliding rail 82 in a sliding manner, the horizontal oil cylinder 81 is fixed to the base 1, the piston shaft of the horizontal oil cylinder 81 is fixed to the installation seat 21, the installation seat 21 is driven to slide by the horizontal oil cylinder 81, and the sliding direction of the installation seat 21 is far from or near to the axis of the main shaft 32.

Referring to fig. 1 and 3, the pressing plate 22 is slidably disposed above the mounting seat 21, a plurality of support arms 211 are fixed on the top of the mounting seat 21, four support arms 211 are fixed on the top of the mounting seat 21 in an embodiment, the top surface of the mounting seat 21 is rectangular, four support arms 211 are fixed at four corners of the top surface of the mounting seat 21, the support arms 211 extend vertically upwards, a space between the four support arms 211 is a clamping space 212 accommodated by the power supply machine base 4, and the four support arms 211 are circumferentially disposed around the clamping space 212.

Referring to fig. 3, a guide groove 2111 is formed at the top of the support arm 211, vertical guide rods 2112 are slidably connected in the guide groove 2111, a pressing plate 22 is located above the mounting seat 21, and the pressing plate 22 is fixed to the top ends of the four guide rods 2112. The driving member 23 is a driving cylinder 231, the driving cylinder 231 is an oil cylinder or an air cylinder or an electric cylinder, and the driving cylinder 231 in the embodiment is an oil cylinder. The driving cylinder 231 is fixed on the mounting seat 21, the telescopic shaft of the driving cylinder 231 is vertically upwards, and the end part of the telescopic shaft of the driving cylinder 231 is fixed with the pressing plate 22.

Referring to fig. 1 and 3, an avoidance groove 221 for the mounting plate 6 and the boring cutter 33 to pass up and down is formed in the center of the pressing plate 22, the clamping space 212 is located between the mounting seat 21 and the pressing plate 22, and the pressing plate 22 is used for pressing the motor seat 4 on the mounting seat 21.

Referring to fig. 2 and 3, the bottom surface of the compacting plate 22 is provided with a limiting ring groove 223, and the limiting ring groove 223 is used for accommodating the top end of the motor seat 4 to form positioning. The top surface of the mounting seat 21 is fixed with a boss 213, the motor base 4 is sleeved on the boss 213, and the circumferential outer wall of the boss 213 contacts the inner wall of the motor base 4, so that the motor base 4 is positioned.

The implementation principle of the boring machine tool for the inner hole of the motor base of the embodiment 1 of the application is as follows: when boring, the motor base 4 is placed on the mounting table, the motor base 4 is sleeved on the boss 213, and the driving cylinder 231 drives the pressing plate 22 to slide downwards and then press the motor base 4 to form fixation. The horizontal oil cylinder 81 drives the mounting seat 21 to slide below the main shaft 32, the vertical motor 52 drives the vertical screw rod 51 to rotate so as to enable the lifting seat 31 to slide downwards, meanwhile, the boring motor 7 drives the main shaft 32 to rotate so as to enable the main shaft 32 to rotate stably, and boring is realized when the boring cutter 33 descends into a stator mounting hole of the motor base 4.

According to the application, the main shaft 32 is vertically arranged, and when the main shaft 32 rotates and moves vertically, the boring cutter 33 bores the motor base 4. Because the main shaft 32 is vertically arranged, the main shaft 32 is not easy to skew, the motor base is vertically fixed, and the top surface and the bottom surface of the motor base 4 are all abutted, so that the stability of the motor base 4 in a vertical state is good, the safety of a boring machine tool is good, and meanwhile, the position of a boring hole is not easy to deviate.

Example 2

The difference from embodiment 1 is that, referring to fig. 4, four supporting arms 211 are fixed on the machine base 1, the top of the supporting arm 211 is slidably connected with vertical guiding rods 2112, vertical guiding holes for sliding the guiding rods 2112 are formed at the top of the supporting arm 211, and the compacting plates 22 are fixed at the top ends of the guiding rods 2112. The driving piece 23 is a driving cylinder 231, the driving cylinder 231 is fixed on the machine base 1, the compression plate 22 is fixed by a telescopic shaft of the driving cylinder 231, the mounting seat 21 is positioned below the compression plate 22, and the plurality of supporting arms 211 are distributed around the circumference of the mounting seat 21.

The horizontal driving assembly 8 comprises a horizontal oil cylinder 81 and a horizontal sliding rail 82, the horizontal sliding rail 82 is fixed on the machine base 1, the installation base 21 is slidably connected to the horizontal sliding rail 82, the horizontal oil cylinder 81 is fixed on the machine base 1, and a piston shaft of the horizontal oil cylinder 81 is fixed on the installation base 21.

The implementation principle of the boring machine tool for the inner hole of the motor base of the embodiment 2 of the application is as follows: through the setting that slides alone with mount pad 21, when making mount pad 21 slide to frame 1 border and carry out material loading or unloading, mount pad 21 keeps away from pressure strip 22, makes pressure strip 22 be difficult for hindering the material loading unloading of motor frame 41 to convenient to use.

The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (10)

1. The motor base inner hole boring machine tool comprises a base (1), a motor base clamping mechanism (2) and a boring mechanism (3) movably arranged on the base (1), and is characterized in that: the boring mechanism (3) comprises a lifting seat (31), a main shaft (32) and a boring cutter (33), wherein the lifting seat (31) is arranged on the machine base (1) in a sliding mode, the sliding direction of the machine base (1) is vertical, the main shaft (32) is rotatably arranged on the lifting seat (31), and the boring cutter (33) is arranged at the bottom end of the main shaft (32); the motor frame clamping mechanism (2) comprises a mounting seat (21), a pressing plate (22) and a driving piece (23) for driving the pressing plate (22) to lift, the pressing plate (22) is arranged above the mounting seat (21), a avoidance groove (221) for the boring cutter (33) to slide is formed in the pressing plate (22), a clamping space (212) for accommodating the motor frame (4) is formed between the pressing plate (22) and the mounting seat (21), and the pressing plate (22) is used for pressing the motor frame (4) on the mounting seat (21).

2. The motor housing bore boring machine of claim 1, wherein: the boring cutters (33) are arranged in a plurality, and a plurality of boring cutters (33) are circumferentially arranged around the axis of the main shaft (32).

3. The motor housing bore boring machine of claim 2, wherein: the boring cutters (33) are uniformly arranged around the circumference of the axis of the main shaft (32).

4. A motor housing bore boring machine according to claim 3, wherein: the boring cutter is characterized in that an installation disc (6) for installing the boring cutter (33) is arranged at the bottom end of the main shaft (32), the installation disc (6) comprises a fixed disc (62) and a fixed cover (61), the fixed disc (62) is coaxially fixed at the bottom end of the main shaft (32), a plurality of clamping grooves (63) for accommodating the boring cutter (33) are formed in the bottom wall of the fixed disc (62), the clamping grooves (63) are uniformly formed around the circumference of the main shaft (32), the clamping grooves (63) penetrate through the outer wall of the fixed disc (62), and the depth of the clamping grooves (63) is smaller than the thickness of the boring cutter (33), and the fixed cover (61) is fixed on the bottom surface of the fixed disc (62) through bolts.

5. The motor housing bore boring machine of claim 1, wherein: a plurality of supporting arms (211) are arranged at the top of the mounting seat (21), the supporting arms (211) are arranged around the circumference of the clamping space (212), vertical guide rods (2112) are arranged at the top of the supporting arms (211) in a sliding mode, and the pressing plates (22) are arranged on the guide rods (2112); the driving piece (23) is a driving cylinder (231), the driving cylinder (231) is arranged on the mounting seat (21), and the telescopic shaft of the driving cylinder (231) is used for fixing the compacting plate (22).

6. The motor housing bore boring machine of claim 1, wherein: a plurality of supporting arms (211) are arranged on the base (1), vertical guide rods (2112) are slidably arranged at the tops of the supporting arms (211), and the pressing plates (22) are arranged on the guide rods (2112); the driving piece (23) is a driving cylinder (231), the driving cylinder (231) is arranged on the machine base (1), the compression plate (22) is fixed by a telescopic shaft of the driving cylinder (231), the mounting base (21) is located below the compression plate (22), and a plurality of supporting arms (211) are circumferentially distributed around the mounting base (21).

7. The motor housing bore hole machine tool of claim 5 or 6, wherein: still include drive mount pad (21) gliding horizontal drive subassembly (8), horizontal drive subassembly (8) include horizontal hydro-cylinder (81) and horizontal slide rail (82), horizontal slide rail (82) are fixed in on frame (1), mount pad (21) sliding connection is on horizontal slide rail (82), horizontal hydro-cylinder (81) are fixed in on frame (1), piston shaft fixed mounting pad (21) of horizontal hydro-cylinder (81).

8. The motor housing bore boring machine of claim 1, wherein: still including drive elevating socket (31) vertical gliding vertical drive assembly (5), vertical drive assembly (5) include vertical lead screw (51), vertical motor (52) and vertical slide rail (53), vertical slide rail (53) are fixed in frame (1) lateral wall, elevating socket (31) sliding connection is on vertical slide rail (53), vertical lead screw (51) rotate and connect in the lateral wall of frame (1), vertical motor (52) drive vertical lead screw (51) rotate, elevating socket (31) threaded connection vertical lead screw (51).

9. The motor housing bore boring machine of claim 1, wherein: the mounting seat (21) is provided with a boss (213), and the circumferential outer wall of the boss (213) contacts the inner wall of the motor base (4).

10. The motor housing bore boring machine of claim 1, wherein: the bottom surface of the compaction plate (22) is provided with a limiting ring groove (223), and the limiting ring groove (223) is used for accommodating the motor base (4).