CN216227041U

CN216227041U - Special drilling machine for mounting hole of motor end cover

Info

Publication number: CN216227041U
Application number: CN202122561940.6U
Authority: CN
Inventors: 程应
Original assignee: Jiangsu Gaoke Motor Co ltd
Current assignee: Jiangsu Gaoke Motor Co ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-04-08
Anticipated expiration: 2031-10-23

Abstract

The application relates to a special drilling machine for motor end cover mounting holes, which comprises a workbench, and further comprises a first drilling machine which is connected to the workbench in a sliding manner, a second drilling machine which is connected to the workbench in a sliding manner, a clamping device which is connected between the first drilling machine and the second drilling machine, the first drilling machine and the second drilling machine slide in opposite directions or back to back, a drill bit of the first drilling machine is opposite to a drill bit of the second drilling machine, the clamping device comprises a fixed clamping plate which is fixedly connected to the workbench, a movable clamping plate which is connected to one side of the second drilling machine through a driving piece in a sliding manner, a first through hole through which the drill bit of the first drilling machine passes is formed in the fixed clamping plate, a second through hole through which the drill bit of the second drilling machine passes is formed in the movable clamping plate, the driving piece is connected to the workbench, and the driving piece drives the movable clamping plate to be close to or far away from the fixed clamping plate to move. This application has the effect that improves machining efficiency.

Description

Special drilling machine for mounting hole of motor end cover

Technical Field

The application relates to the field of motor end cover processing, in particular to a special drilling machine for a motor end cover mounting hole.

Background

The motor end cover is one of important parts of the motor, and in the assembly process of the motor, the end cover and the shell of the motor need to be drilled and assembled through drilled holes.

One side of the motor end cover is connected with the motor, and drilling needs to be performed on a lug on the side face, which is used for being connected with the motor, of the motor end cover. After the motor end cover is installed on the motor, the motor end cover is usually connected to the installation position through a flange in a motor use environment, so that a mounting hole for connecting the flange needs to be drilled on the motor end cover.

When the motor end cover is machined, a drilling machine is generally used for firstly drilling the mounting holes on the lug, and then the drilling machine is used for drilling the mounting holes for the connecting flange.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: two kinds of mounting holes need to be processed in proper order, and machining efficiency is low.

SUMMERY OF THE UTILITY MODEL

In order to improve machining efficiency, this application provides a motor end cover mounting hole drilling special plane.

The application provides a pair of motor end cover mounting hole drilling special plane adopts following technical scheme:

the special drilling machine for the mounting hole of the motor end cover comprises a workbench, a first drilling machine, a second drilling machine and a clamping device, wherein the first drilling machine is connected onto the workbench in a sliding mode, the second drilling machine is connected onto the workbench in a sliding mode, the clamping device is connected between the first drilling machine and the second drilling machine, the first drilling machine and the second drilling machine slide in opposite directions or in opposite directions, a drill bit of the first drilling machine is opposite to a drill bit of the second drilling machine, the clamping device comprises a fixed clamping plate fixedly connected onto the workbench and a movable clamping plate connected onto one side, close to the second drilling machine, of the fixed clamping plate in a sliding mode through a driving piece, a first through hole for the drill bit of the first drilling machine to pass through is formed in the fixed clamping plate, a second through hole for the drill bit of the second drilling machine to pass through is formed in the movable clamping plate, and the driving piece is connected onto the workbench, the driving piece drives the movable clamping plate to move close to or far away from the fixed clamping plate.

Through adopting above-mentioned technical scheme, place the motor end cover between the solid fixed splint and the movable splint, the drill bit of the first drilling machine is aimed at to the lug that rotates on the motor end cover until the motor end cover, the driving piece orders about movable splint and removes towards solid fixed splint, until movable splint support tightly on the motor end cover, first drilling machine and second drilling machine are close to the motor end cover and remove, the drill bit of first drilling machine drills out the motor mounting hole on the motor end cover through first through-hole, the drill bit of second drilling machine drills out the flange mounting hole on the end cover through the second through-hole, two kinds of mounting holes are processed simultaneously, and the machining efficiency is improved.

Optionally, one side of the fixed clamping plate, which is close to the movable clamping plate, is connected with a first positioning disc, a boss which is used for being in splicing fit with the motor end cover is coaxially arranged on the first positioning disc, and the first through hole penetrates through the first positioning disc.

Through adopting above-mentioned technical scheme, overlap the middle part that is close to fixed splint one side with the motor end cover on the boss, the boss provides spacingly for the motor end cover, further improves the fixed stability of motor end cover.

Optionally, the workbench is connected with an installation platform, the driving part comprises a horizontal hydraulic cylinder connected to the installation platform, a piston rod of the hydraulic cylinder penetrates through the fixed clamping plate in a sliding mode, and the movable clamping plate is fixedly connected to the piston rod of the hydraulic cylinder.

Through adopting above-mentioned technical scheme, the piston rod of pneumatic cylinder is flexible, orders about and moves splint and be close to or keep away from the removal of deciding splint, realizes the centre gripping and relaxing to the motor end cover.

Optionally, one side of the fixed clamping plate close to the movable clamping plate is connected with a guide post, and the movable clamping plate is sleeved on the guide post in a sliding manner.

Through adopting above-mentioned technical scheme, when the pneumatic cylinder orders about to move splint and removes, the guide post provides the direction for moving splint, has improved the stability that moves splint and remove.

Optionally, be equipped with the locating part on the fixed splint, the locating part includes fixed connection in the diaphragm at fixed splint top, connect the diaphragm deviates from the vertical gag lever post of fixed splint one end.

By adopting the technical scheme, after the motor end cover is sleeved on the boss, the motor end cover is rotated until the upper surface of a lug of one motor end cover abuts against the bottom end of the limiting rod, at the moment, the drill bit of the first drilling machine is aligned with the lug of the motor end cover, and the limiting rod improves the drilling precision of the motor end cover.

Optionally, one end of the transverse plate deviating from the fixed clamping plate is fixedly connected with a nut, and the limiting rod is in threaded connection with the nut.

By adopting the technical scheme, the height of the limiting rod can be adjusted by screwing the limiting rod, so that the motor end cover is convenient to move and is suitable for processing different hole sites.

Optionally, a positioning hole is formed in one side, close to the movable clamping plate, of the first positioning plate, a positioning pin penetrates through the positioning hole, and one end, away from the positioning hole, of the positioning pin is used for being embedded into a mounting hole in a motor end cover lug.

Through adopting above-mentioned technical scheme, after first drilling machine accomplished drilling for the first time, the pneumatic cylinder orders about movable clamp plate and deviates from fixed splint and removes, rotates the motor end cover, makes the motor mounting hole alignment locating hole on the motor end cover, puts into the locating pin between locating hole and this motor mounting hole, and the pneumatic cylinder orders about movable clamp plate and is close to fixed splint and remove, and until movable clamp plate and fixed splint press from both sides tight motor end cover, first drilling machine removes, carries out the drilling for the second time.

Optionally, the first through hole and the second through hole are coaxially and fixedly provided with hole sleeves in a penetrating manner.

Through adopting above-mentioned technical scheme, the drill sleeve is when providing spacing for the drill bit of first drilling machine, the drill bit of second drilling machine, protects the drill bit of first drilling machine, the drill bit of second drilling machine.

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

1. the clamping device clamps the motor end cover, the first drilling machine and the second drilling machine move close to the motor end cover, a drill bit of the first drilling machine drills a motor mounting hole in the motor end cover through the first through hole, a drill bit of the second drilling machine drills a flange mounting hole in the end cover through the second through hole, and two mounting holes are machined at the same time, so that the machining efficiency is improved;

2. the boss provides limit for the motor end cover, and the stability of fixing the motor end cover is further improved;

3. when the pneumatic cylinder drives and makes the movable clamp plate remove, the guide post provides the direction for moving the movable clamp plate, has improved the stability that moves the movable clamp plate.

Drawings

FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of the movable and stationary clamping plates for embodying the boss in the embodiment of the present application;

FIG. 3 is an exploded view of the movable and stationary clamping plates for embodying the detent in the embodiment of the present application;

FIG. 4 is an enlarged view at A of FIG. 1;

fig. 5 is a schematic structural diagram for embodying a limiting element in the embodiment of the present application.

Description of reference numerals: 1. a work table; 11. an installation table; 2. a first drilling machine; 3. a second drilling machine; 4. a clamping device; 41. fixing the clamping plate; 411. a first through hole; 42. a movable clamping plate; 421. a second through hole; 43. a hydraulic cylinder; 44. a first positioning plate; 441. a boss; 442. positioning holes; 45. a second positioning plate; 451. a positioning groove; 46. sleeving a hole; 5. a limiting member; 51. a transverse plate; 52. a nut; 53. a limiting rod; 6. a guide post; 7. positioning pins; 8. and a motor end cover.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses special drilling machine for motor end cover mounting holes.

Referring to fig. 1, the special drilling machine for drilling the mounting hole of the motor end cover comprises a workbench 1, a first drilling machine 2 connected to one end of the upper surface of the workbench 1 in a sliding mode, a second drilling machine 3 connected to the other end of the upper surface of the workbench 1 in a sliding mode, and a clamping device 4 connected between the first drilling machine 2 and the second drilling machine 3. The first drilling machine 2 and the second drilling machine 3 move towards or away from each other along the length direction of the workbench 1, and the drill bit of the first drilling machine 2 is opposite to the drill bit of the second drilling machine 3.

Referring to fig. 1 and 2, the clamping device 4 includes a fixed clamping plate 41 vertically and fixedly connected to the working table 1, a movable clamping plate 42 connected to a side of the fixed clamping plate 41 close to the second drilling machine 3, a driving member connected to the working table 1, and a limiting member 5 connected to the fixed clamping plate 41. A first positioning disc 44 is fixedly connected to one side of the fixed clamping plate 41 close to the movable clamping plate 42, and a boss 441 is coaxially formed in the middle of one side of the first positioning disc 44 close to the movable clamping plate 42. Referring to fig. 3, a second positioning plate 45 is fixedly connected to one side of the movable clamping plate 42 close to the fixed clamping plate 41, and a positioning groove 451 is formed on the second positioning plate 45. The fixed clamping plate 41 is provided with a first through hole 411 for a drill bit of the first drilling machine 2 to pass through, the first through hole 411 penetrates through the first positioning disc 44, the movable clamping plate 42 is provided with a second through hole 421 for a drill bit of the second drilling machine 3 to pass through, and the second through hole 421 penetrates through the second positioning disc 45.

Referring to fig. 1, 2 and 3, the motor cover 8 is placed between the fixed clamping plate 41 and the movable clamping plate 42, so that the middle of the motor cover 8 near the fixed clamping plate 41 is sleeved on the boss 441. The motor end cover 8 is rotated until the lugs on the motor end cover 8 abut against the limiting pieces 5, and at the moment, the lugs on the motor end cover 8 are aligned with the drill bit of the first drilling machine 2. The driving member drives the movable clamping plate 42 to move towards the fixed clamping plate 41 until the movable clamping plate 42 abuts against the motor end cover 8, and one side of the motor end cover 8 is embedded in the positioning groove 451. The boss 441 and the positioning groove 451 provide limiting for the motor end cover 8, and the stability of fixing the motor end cover 8 is further improved.

Referring to fig. 1, 2 and 3, the first drilling machine 2 and the second drilling machine 3 move close to the motor end cover 8, the drill bit of the first drilling machine 2 drills a motor mounting hole on the motor end cover 8 through the first through hole 411, the drill bit of the second drilling machine 3 drills a flange mounting hole on the motor end cover 8 through the second through hole 421, and two mounting holes are machined simultaneously, so that the machining efficiency is improved.

Referring to fig. 1 and 4, a hole sleeve 46 is fixedly connected to each of the first through hole 411 and the second through hole 421, and the hole sleeve 46 protects the drill bit of the first drilling machine 2 and the drill bit of the second drilling machine 3 while providing a limit for the drill bit of the first drilling machine 2 and the drill bit of the second drilling machine 3.

Referring to fig. 2 and 5, the limiting member 5 includes a horizontal cross plate 51 fixedly connected to the fixed clamp plate 41, a nut 52 welded to a bottom surface of an end of the cross plate 51 facing away from the fixed clamp plate 41, and a limiting rod 53 screwed to the nut 52. Referring to fig. 1, after the motor end cover 8 is sleeved on the boss 441, the motor end cover 8 is rotated until the upper surface of a lug of one motor end cover 8 abuts against the bottom end of the limiting rod 53, and at this time, the drill bit of the first drilling machine 2 is aligned with the lug of the motor end cover 8. The limiting rod 53 improves the drilling precision of the motor end cover 8. The height of the limiting rod 53 can be adjusted by screwing the limiting rod 53, so that the motor end cover 8 can move conveniently, and the motor end cover is suitable for processing of different hole positions.

Referring to fig. 1, a mounting table 11 is fixedly connected to the work table 1, and the mounting table 11 is provided on both sides of the first drilling machine 2. The driving member comprises a hydraulic cylinder 43 fixedly connected to one side of the mounting tables 11 close to the fixed clamping plate 41, and one hydraulic cylinder 43 is arranged on each of the two mounting tables 11. The hydraulic cylinder 43 is horizontally arranged, a piston rod of the hydraulic cylinder 43 is slidably arranged on the fixed clamping plate 41 in a penetrating way, and the movable clamping plate 42 is fixedly connected to the end part of the piston rod of the hydraulic cylinder 43. The piston rod of the hydraulic cylinder 43 stretches to drive the movable clamping plate 42 to move close to or far away from the fixed clamping plate 41, so that the motor end cover 8 is clamped and loosened.

Referring to fig. 1 and 2, a guide post 6 is fixedly connected to one side of the fixed clamping plate 41 close to the movable clamping plate 42, and one guide post 6 is arranged at each of four corners of the fixed clamping plate 41. The movable clamping plate 42 is sleeved on the guide post 6 in a sliding mode, when the hydraulic cylinder 43 drives the movable clamping plate 42 to move, the guide post 6 provides guide for the movable clamping plate 42, and the moving stability of the movable clamping plate 42 is improved.

Referring to fig. 1, the first drilling machine 2 is provided with three drill bits and the second drilling machine 3 is provided with four drill bits in this embodiment. If six motor mounting holes need to be processed on the motor end cover 8, the first drilling machine 2 can be used for secondary processing of the motor end cover 8, and the machine does not need to be replaced.

Referring to fig. 1 and 5, a positioning hole 442 is formed in the first positioning plate 44, and a horizontal positioning pin 7 is provided in the positioning hole 442. When the first drilling machine 2 completes the first drilling, the hydraulic cylinder 43 drives the movable clamping plate 42 to move away from the fixed clamping plate 41, and the limiting rod 53 is screwed to be lifted. The motor end cover 8 is rotated to align a motor mounting hole in the motor end cover 8 with the positioning hole 442, and the positioning pin 7 is placed between the positioning hole 442 and the motor mounting hole. The hydraulic cylinder 43 drives the movable clamping plate 42 to move close to the fixed clamping plate 41 until the movable clamping plate 42 and the fixed clamping plate 41 clamp the motor end cover 8, and the first drilling machine 2 slides to perform secondary drilling. After the processing is finished, the movable clamping plate 42 moves, the clamping of the motor end cover 8 is released, and the motor end cover 8 and the positioning pin 7 are taken down.

The implementation principle of the special drilling machine for the motor end cover mounting hole is as follows: the motor end cover 8 is placed between the fixed clamping plate 41 and the movable clamping plate 42, and the middle part of one side of the motor end cover 8 close to the fixed clamping plate 41 is sleeved on the boss 441. The motor end cover 8 is rotated until the lug on the motor end cover 8 abuts against the limiting rod 53, and at the moment, the lug on the motor end cover 8 is aligned with the drill bit of the first drilling machine 2. The hydraulic cylinder 43 drives the movable clamping plate 42 to move towards the fixed clamping plate 41 until the movable clamping plate 42 abuts against the motor end cover 8, and one side of the motor end cover 8 is embedded in the positioning groove 451.

The first drilling machine 2 and the second drilling machine 3 move close to the motor end cover 8, the drill bit of the first drilling machine 2 drills a motor mounting hole on the motor end cover 8 through the first through hole 411, and the drill bit of the second drilling machine 3 drills a flange mounting hole on the motor end cover 8 through the second through hole 421. After the drilling is completed, the first drilling machine 2 and the second drilling machine 3 move back to back, the hydraulic cylinder 43 drives the movable clamping plate 42 to move away from the fixed clamping plate 41, and the limiting rod 53 is screwed to be lifted. The motor end cover 8 is rotated to align a motor mounting hole in the motor end cover 8 with the positioning hole 442, and a positioning pin 7 is inserted between the positioning hole 442 and the motor mounting hole. The hydraulic cylinder 43 drives the movable clamping plate 42 to move close to the fixed clamping plate 41 until the movable clamping plate 42 and the fixed clamping plate 41 clamp the motor end cover 8, and the first drilling machine 2 slides to perform secondary drilling.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a motor end cover mounting hole drilling special plane, includes workstation (1), its characterized in that: still include sliding connection first drilling machine (2), sliding connection on workstation (1) are in second drilling machine (3) on workstation (1), connect first drilling machine (2) with clamping device (4) between second drilling machine (3), first drilling machine (2) with second drilling machine (3) are in opposite directions or back of the body slip mutually, the drill bit of first drilling machine (2) with the drill bit of second drilling machine (3) is relative, clamping device (4) including fixed connection fixed splint (41) on workstation (1), through driving piece sliding connection fixed splint (41) are close to move splint (42) of second drilling machine (3) one side, it has first through-hole (411) that supply the drill bit of first drilling machine (2) to pass through to open on fixed splint (41), it has second through-hole (421) that supply the drill bit of second drilling machine (3) to pass through to open on movable splint (42) ) The driving piece is connected to the workbench (1) and drives the movable clamping plate (42) to move close to or far away from the fixed clamping plate (41).

2. The special drilling machine for the mounting hole of the motor end cover according to claim 1, characterized in that: the clamping device is characterized in that the positioning clamp plate (41) is close to one side of the movable clamp plate (42) and is connected with a first positioning disc (44), a boss (441) which is used for being in plug-in fit with the motor end cover (8) is coaxially arranged on the first positioning disc (44), and the first through hole (411) penetrates through the first positioning disc (44).

3. The special drilling machine for the mounting hole of the motor end cover according to claim 1, characterized in that: be connected with mount table (11) on workstation (1), the driving piece is including connecting horizontal pneumatic cylinder (43) on mount table (11), the piston rod of pneumatic cylinder (43) slides and wears to establish on deciding splint (41), move splint (42) fixed connection in on the piston rod of pneumatic cylinder (43).

4. The special drilling machine for the mounting hole of the motor end cover according to claim 3, characterized in that: decide splint (41) and be close to move one side of splint (42) and be connected with guide post (6), it establishes to move splint (42) slip cover on guide post (6).

5. The special drilling machine for the mounting hole of the motor end cover according to claim 1, characterized in that: decide and be equipped with locating part (5) on splint (41), locating part (5) including fixed connection decide diaphragm (51) at splint (41) top, connect diaphragm (51) deviate from decide vertical gag lever post (53) of splint (41) one end.

6. The special drilling machine for the mounting hole of the motor end cover according to claim 5, characterized in that: one end of the transverse plate (51) departing from the fixed clamping plate (41) is fixedly connected with a nut (52), and the limiting rod (53) is in threaded connection with the inside of the nut (52).

7. The special drilling machine for the mounting hole of the motor end cover according to claim 2, characterized in that: one side of the first positioning disc (44) close to the movable clamping plate (42) is provided with a positioning hole (442), a positioning pin (7) penetrates through the positioning hole (442), and one end, deviating from the positioning hole (442), of the positioning pin (7) is used for being embedded into a mounting hole in a lug of the motor end cover (8).

8. The special drilling machine for the mounting hole of the motor end cover according to claim 1, characterized in that: and hole sleeves (46) are coaxially and fixedly arranged in the first through hole (411) and the second through hole (421) in a penetrating manner.