CN113927083A

CN113927083A - Numerical control milling machine for machining precision parts

Info

Publication number: CN113927083A
Application number: CN202111308816.7A
Authority: CN
Inventors: 李洋
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-05
Filing date: 2021-11-05
Publication date: 2022-01-14

Abstract

The invention belongs to the field of machining, and particularly relates to a numerical control milling machine for machining precision parts. When the cutter head is at the turning article, the spring claw can carry out spacing and fastening to the inside cutting connection point of cutter head, and then reduce the influence of vibrations power to the cutter head, the screw receives the vibrations power and can reduce effectively this moment, reduced the screw and produced not hard up possibility receiving the vibrations power, the indirect precision that has improved the cutter head processing, even the screw drops under extreme condition, the spring claw also can block the integral part of cutter head, prevent that the cutter head from disintegrating when high-speed rotating, cause the threat to personnel's safety on every side.

Description

Numerical control milling machine for machining precision parts

Technical Field

The invention belongs to the field of machining, and particularly relates to a numerical control milling machine for machining precision parts.

Background

With the rapid development of social production and scientific technology, mechanical products are increasingly precise and complex, particularly mechanical parts required in the fields of aerospace, shipbuilding, military and the like, have high precision requirement, complex shape and small batch size, and ordinary machine tools cannot meet the requirements, so the numerical control milling machine is adopted for processing at present, most milling cutters of the existing milling machines are fixedly arranged on the milling cutters in a screw connection mode, and milling heads connected by screws have the advantages of convenience in replacement, convenience in production, assembly and maintenance and bring an obvious defect at the same time. And the vibration power influences the position of cutter head and screw connection point the biggest, and the screw produces not hard up receiving the vibration power, and then leads to the precision of cutter head processing to descend, and the screw can drop even when serious, leads to the cutter head to disintegrate when high-speed the rotation, causes the threat to personnel's safety on every side.

Disclosure of Invention

The invention aims to provide a numerical control milling machine for machining precision parts, which aims to solve the problems in the background technology.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a numerical control milling machine for machining precision parts, which comprises a base bed, wherein the left side of the upper surface of the base bed is fixedly connected with an object carrying plate, the bottom end of the object carrying plate penetrates through the outer surface of the base bed, the bottom end of the object carrying plate is fixedly connected with an inner cavity of the base bed, the right side of the upper surface of the base bed is fixedly connected with a support frame, the left side of the outer surface of the support frame is fixedly connected with an auxiliary plate, and the right side of the auxiliary plate is movably connected with a milling head.

The auxiliary plate comprises a plate shell, damping devices are symmetrically arranged on two sides inside the plate shell, the left side of each damping device is fixedly connected with the left side of the inner wall of the plate shell, the right side of the outer surface of each damping device is rotatably connected with a spring claw, the back of each spring claw is fixedly connected with the back of the inner wall of the plate shell, the upper portion of the outer surface of each damping device is rotatably connected with an inner cavity of the plate shell, the right side of each damping device is connected with an indicating device in a meshed mode, the bottom end of each indicating device is rotatably connected with the upper portion of the inner wall of the plate shell through a rotating shaft, the top end of each indicating device penetrates through the top of the outer surface of the plate shell, and the top end of each indicating device extends to the outside of the plate shell.

Damping device includes the thick axle, the concave wheel has evenly been cup jointed to the surface of thick axle, through damping spring fixed connection between the surface of concave wheel, the left side of concave wheel surface is rotated and is connected with the support ball, the left side joint of support ball surface has hollow section of thick bamboo, the left end of hollow section of thick bamboo surface and the left side fixed connection of board shell inner wall.

The concave wheel comprises a hollow wheel shell, a rotary spring is fixedly connected to the inner wall of the hollow wheel shell, the inner wall of the rotary spring is connected with the outer surface of the thick shaft in a sliding and rotating mode, and the two ends of the rotary spring are fixedly connected with the outer surface of the thick shaft.

The spring claw comprises a spring sleeve, the back of the outer surface of the spring sleeve is fixedly connected with the inner wall of the plate shell, the bottom of the inner wall of the spring sleeve is connected with an extension block through a tension spring in a sliding mode, a clamping jaw is arranged on the front face of the extension block, the outer surface of the extension block is penetrated through the rear end of the clamping jaw, and the rear end of the clamping jaw is fixedly connected with the inner cavity of the extension block.

The jack catch includes the crescent moon shell, the middle part fixedly connected with node post of crescent moon shell inner wall, the inner wall of crescent moon shell all rotates and is connected with the axostylus axostyle, the lower part of axostylus axostyle surface rotates and is connected with fluting fan, the bottom of fluting fan and the bottom sliding connection of crescent moon shell inner wall, through rubber strip fixed connection between the fluting fan, the top of the surface of rubber strip and the inner chamber fixed connection of node post.

The indicating device comprises a dial plate, the top end of the dial plate penetrates through the outer surface of the inner wall of the plate shell, the outer surface of the dial plate is connected with the inner cavity of the plate shell in a rotating mode, a pointer rod is sleeved at the axis of the dial plate, the bottom end of the pointer rod penetrates through the bottom end of the outer surface of the dial plate, a large gear is fixedly connected to the bottom end of the pointer rod, half-surface tooth columns are connected to the two sides of the large gear in a meshed mode, and the bottom end of the half-surface tooth column is fixedly connected with the top end of the outer surface of a thick shaft.

The invention has the following beneficial effects:

1. the device is before using, with the inside joint of spring claw and cutter head, the spring claw links into a whole with accessory plate and cutter head this moment, when the cutter head is when the turning article, the vibrations power produces the influence to the position of cutter head and screw connection point, the spring claw can carry on spacingly and fastening to the inside cutting connection point of cutter head this moment, and then reduce the influence of vibrations power to the cutter head, the screw receives the vibrations power and can reduce effectively this moment, the screw has been reduced and the possibility that the vibrations power produces not hard up is being received, the precision of cutter head processing has been improved indirectly, even the screw drops under extreme condition, the spring claw also can block the global part of cutter head, prevent that the cutter head from disassembling when high-speed the rotation, the safety to personnel around causes the threat.

2. The cutter head is the source that the device produced vibrations, in case the cutter head produces vibrations, the shaking force can be transmitted the bed through medium such as accessory plate and support frame, and then lead to carrying the object on the thing board also to produce vibrations, seriously influence the turning process, make the device's precision further descend, the damping device who adds can be when the cutter head vertical cutting produces shaking force, pass through the board shell with shaking force, hollow cylinder and support ball conduct on the concave wheel, the concave wheel shakes on the thick axle, buffer spring absorbs shaking force this moment and cushions.

3. After the cutter head is connected with the spring claw, stronger stability has not only been possessed, the user can also stretch the spring claw and then control the horizontal displacement of cutter head, accomplish turning work, different with general horizontal displacement, when the spring claw by the extension, extend the piece extension, pass through frictional force with the hollow wheel shell of both sides and rotate, hollow wheel shell drives the rotation of coarse axis through slewing spring, half face tooth post also rotates thereupon, the pointer pole rotates through the gear wheel that the meshing is connected, because the dial plate is static relatively, the pointer pole rotates, the user can accurately judge the horizontal displacement of cutter head through the scale that the pointer pole points to, because at the turning in-process, indicating device whole journey keeps quiescent condition, the user only need look at the scale that the pointer pole instructed and just can accomplish the excision operation, it is very light laborsaving.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view of the auxiliary plate of the present invention;

FIG. 3 is a schematic view of the shock absorbing device of the present invention;

FIG. 4 is a schematic view of the construction of the invention illustrating the concave wheel;

FIG. 5 is a schematic view of the construction of the spring finger of the present invention;

FIG. 6 is a schematic view of the structure of the jaws of the present invention;

FIG. 7 is a schematic diagram of the structure of the figure indicating device of the present invention.

In the figure: the device comprises a foundation bed 1, an object carrying plate 2, a milling head 3, an auxiliary plate 4, a support frame 5, a plate shell 41, a damping device 6, a thick shaft 61, a support ball 62, a hollow cylinder 63, a spring claw 7, a spring sleeve 71, an extension block 72, an indicating device 8, a dial 81, a pointer rod 82, a large gear 83, a half-face toothed column 84, a concave wheel 9, a hollow wheel shell 91, a rotary spring 92, a claw 10, a crescent shell 101, a shaft rod 102, a slotted fan plate 103, a node column 104 and a rubber strip 105.

Detailed Description

A numerically controlled milling machine for machining a precision part according to an embodiment of the present invention will be described below with reference to fig. 1 to 7.

As shown in fig. 1-7, the numerically controlled milling machine for machining precision parts according to the present invention includes a base bed 1, wherein an object carrying plate 2 is fixedly connected to the left side of the upper surface of the base bed 1, the bottom end of the object carrying plate 2 penetrates through the outer surface of the base bed 1, the bottom end of the object carrying plate 2 is fixedly connected to the inner cavity of the base bed 1, a support frame 5 is fixedly connected to the right side of the upper surface of the base bed 1, an auxiliary plate 4 is fixedly connected to the left side of the outer surface of the support frame 5, and a milling head 3 is movably connected to the right side of the auxiliary plate 4.

The auxiliary plate 4 comprises a plate shell 41, damping devices 6 are symmetrically arranged on two sides inside the plate shell 41, the left side of each damping device 6 is fixedly connected with the left side of the inner wall of the plate shell 41, the right side of the outer surface of each damping device 6 is rotatably connected with a spring claw 7, the back of each spring claw 7 is fixedly connected with the back of the inner wall of the plate shell 41, the upper part of the outer surface of each damping device 6 is rotatably connected with the inner cavity of the plate shell 41, the right side of each damping device 6 is connected with an indicating device 8 in a meshing manner, the bottom end of each indicating device 8 is rotatably connected with the upper part of the inner wall of the plate shell 41 through a rotating shaft, the top end of each indicating device 8 penetrates through the top of the outer surface of the plate shell 41, the top end of each indicating device 8 extends to the outside of the plate shell 41, the device is used for clamping the spring claws 7 with the inside of the milling head 3, and the spring claws 7 connect the auxiliary plate 4 and the milling head 3 into a whole, when the cutter head 3 is turning the article, the vibration power produces the influence to the position of cutter head 3 and screw connection point, spring claw 7 can carry on spacingly and fastening to the inside cutting connection point of cutter head 3 this moment, and then reduce the influence of vibration power to cutter head 3, the screw receives the vibration power and can reduce effectively this moment, reduced the screw and producing not hard up possibility receiving the vibration power, the precision of cutter head 3 processing has indirectly been improved, even the screw drops under extreme condition, spring claw 7 also can block the integral part of cutter head 3, prevent that cutter head 3 from disintegrating when rotating at high speed, the safety to personnel around causes the threat.

Damping device 6 includes thick axle 61, concave wheel 9 has evenly been cup jointed to the surface of thick axle 61, through damping spring fixed connection between the surface of concave wheel 9, the left side of concave wheel 9 surface is rotated and is connected with supporting ball 62, the left side joint of supporting ball 62 surface has hollow section of thick bamboo 63, the left end of hollow section of thick bamboo 63 surface and the left side fixed connection of shell 41 inner wall.

The concave wheel 9 comprises a hollow wheel shell 91, a rotary spring 92 is fixedly connected to the inner wall of the hollow wheel shell 91, the inner wall of the rotary spring 92 is connected with the outer surface of the coarse shaft 61 in a sliding and rotating mode, two ends of the rotary spring 92 are fixedly connected with the outer surface of the coarse shaft 61, the milling head 3 is the source of vibration generated by the device, once the milling head 3 generates vibration, vibration force can be transmitted to the base bed 1 through media such as an auxiliary plate 4 and a support frame 5, and then the object on the object carrying plate 2 also generates vibration, the turning process is seriously affected, the precision of the device is further reduced, the added damping device 6 can transmit the vibration force to the concave wheel 9 through the plate shell 41, the hollow cylinder 63 and the support ball 62 when the milling head 3 vertically cuts to generate the vibration force, the concave wheel 9 vibrates on the coarse shaft 61, and the buffer spring absorbs the vibration force to buffer at the moment.

Spring claw 7 includes spring sleeve 71, the back of spring sleeve 71 surface and the inner wall fixed connection of shell 41, there is extension piece 72 bottom of spring sleeve 71 inner wall through extension spring sliding connection, the front of extension piece 72 is provided with jack catch 10, the surface of extension piece is run through to the rear end of jack catch 10, the rear end of jack catch 10 and the inner chamber fixed connection of extension piece.

The jack catch 10 includes crescent shell 101, the middle part fixedly connected with node post 104 of crescent shell 101 inner wall, the inner wall of crescent shell 101 all rotates and is connected with axostylus axostyle 102, the lower part of axostylus axostyle 102 surface rotates and is connected with fluting fan board 103, the bottom of fluting fan board 103 and the bottom sliding connection of crescent shell 101 inner wall, through rubber strip 105 fixed connection between the fluting fan board 103, the top of rubber strip 105's surface and the inner chamber fixed connection of node post 104, jack catch 10 and the inside cutter head joint back of cutter head 3, the shaking force that cutter head 3 produced can carry out the buffering for the first time through fluting fan board 103 and rubber strip 105, and the size can be adjusted according to the different shapes of cutter head 3 inside to jack catch 10 simultaneously, can adapt to the cutter head 3 of multiple model.

The indicating device 8 comprises a dial 81, the top end of the dial 81 penetrates through the outer surface of the inner wall of the plate shell 41, the outer surface of the dial 81 is rotatably connected with the inner cavity of the plate shell 41, a pointer rod 82 is sleeved at the axis of the dial 81, the bottom end of the pointer rod 82 penetrates through the bottom end of the outer surface of the dial 81, a big gear 83 is fixedly connected with the bottom end of the pointer rod 82, two sides of the big gear 83 are respectively engaged and connected with a half-face toothed column 84, the bottom end of the half-face toothed column 84 is fixedly connected with the top end of the outer surface of the thick shaft 61, after the milling head 3 is connected with the spring claw 7, the strong stability is achieved, a user can stretch the spring claw 7 to control the horizontal displacement of the milling head 3 to complete the turning work, different from the general horizontal displacement, when the spring claw 7 is stretched, the extension block 72 is extended to rotate the hollow wheel shells 91 at two sides through friction force, the hollow wheel shell 91 drives the thick shaft 61 to rotate through the rotary spring 92, the half-face toothed column 84 also rotates along with the thick shaft, the pointer rod 82 rotates through the large gear 83 connected in a meshed mode, the pointer rod 82 rotates due to the fact that the dial plate 81 is relatively static, a user can accurately judge the horizontal displacement of the milling head 3 through the scale pointed by the pointer rod 82, the indicating device 8 keeps a static state in the whole process in the turning process, the user can complete cutting operation only by staring at the scale pointed by the pointer rod 82, and the operation is quite easy and labor-saving.

The specific working process is as follows:

the device is before using, with the inside joint of spring claw 7 and cutter head 3, spring claw 7 connects into a whole with accessory plate 4 and cutter head 3 this moment, when cutter head 3 is at the turning article, the vibrations power produces the influence to the position of cutter head 3 and screw connection point, spring claw 7 can carry on spacingly and fastening to the inside cutting connection point of cutter head 3 this moment, and then reduce the influence of vibrations power to cutter head 3, the screw receives the vibrations power and can reduce effectively this moment, the screw has reduced and has produced not hard up possibility receiving the vibrations power, the precision of cutter head 3 processing has been improved indirectly, even the screw drops under extreme condition, spring claw 7 also can block the whole part of cutter head 3, prevent that cutter head 3 from disintegrating when high-speed rotation, the safety to personnel around causes the threat.

The milling head 3 is the source that the device produced vibrations, in case the milling head 3 produces vibrations, the vibrations power can be passed through mediums such as accessory plate 4 and support frame 5 and transmit to the bed 1, and then lead to carrying the object on the thing board 2 and also produce vibrations, seriously influence the turning process, make the device's precision further descend, damping device 6 that adds can be when the vertical cutting of milling head 3 produces the vibrations power, pass through board shell 41 with the vibrations power, hollow cylinder 63 and support ball 62 conduct on concave wheel 9, concave wheel 9 shakes on thick axle 61, buffer spring absorbs the vibrations power and cushions this moment.

After the milling head 3 is connected with the spring claw 7, the stability is stronger, a user can stretch the spring claw 7 to control the horizontal displacement of the milling head 3 and complete turning work, different from general horizontal displacement, when the spring claw 7 is stretched, the extending block 72 is stretched, the hollow wheel shells 91 on two sides are rotated through friction, the hollow wheel shells 91 drive the coarse shaft 61 to rotate through the rotary spring 92, the half-plane toothed column 84 rotates along with the coarse shaft, the pointer rod 82 is rotated through the large gear 83 connected in a meshing mode, the pointer rod 82 rotates due to the fact that the dial plate 81 is relatively static, the user can accurately judge the horizontal displacement of the milling head 3 through the scale pointed by the pointer rod 82, and due to the fact that in the turning process, the indicating device 8 keeps a static state in the whole process, the user can complete cutting work only by staring at the scale pointed by the pointer rod 82, and labor is saved.

While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a precision parts machining uses numerically controlled fraise machine, includes bed (1), its characterized in that: the grinding machine is characterized in that an object carrying plate (2) is fixedly connected to the left side of the upper surface of the base bed (1), the bottom end of the object carrying plate (2) penetrates through the outer surface of the base bed (1), the bottom end of the object carrying plate (2) is fixedly connected with the inner cavity of the base bed (1), a support frame (5) is fixedly connected to the right side of the upper surface of the base bed (1), an auxiliary plate (4) is fixedly connected to the left side of the outer surface of the support frame (5), and a milling head (3) is movably connected to the right side of the auxiliary plate (4).

2. The numerically controlled milling machine for precision parts machining according to claim 1, characterized in that: the auxiliary plate (4) comprises a plate shell (41), two sides of the interior of the plate shell (41) are symmetrically provided with damping devices (6), the left side of the damping device (6) is fixedly connected with the left side of the inner wall of the plate shell (41), the right side of the outer surface of the damping device (6) is rotatably connected with a spring claw (7), the back of the spring claw (7) is fixedly connected with the back of the inner wall of the plate shell (41), the upper part of the outer surface of the damping device (6) is rotationally connected with the inner cavity of the plate shell (41), the right side of the damping device (6) is engaged and connected with an indicating device (8), the bottom end of the indicating device (8) is rotationally connected with the upper part of the inner wall of the plate shell (41) through a rotating shaft, the top end of the indicating device (8) penetrates through the top of the outer surface of the plate shell (41), the top end of the indicating device (8) extends to the outside of the plate shell (41).

3. The numerically controlled milling machine for precision parts machining according to claim 2, characterized in that: damping device (6) are including thick axle (61), concave round (9) have evenly been cup jointed to the surface of thick axle (61), through damping spring fixed connection between the surface of concave round (9), the left side rotation of concave round (9) surface is connected with support ball (62), the left side joint of support ball (62) surface has hollow section of thick bamboo (63), the left end of hollow section of thick bamboo (63) surface and the left side fixed connection of board shell (41) inner wall.

4. The numerically controlled milling machine for precision parts machining according to claim 3, characterized in that: concave wheel (9) are including hollow wheel shell (91), the inner wall fixedly connected with gyration spring (92) of hollow wheel shell (91), the inner wall of gyration spring (92) and the surface sliding rotation of thick axle (61) are connected, the both ends of gyration spring (92) all are connected with the surface fixed connection of thick axle (61).

5. The numerically controlled milling machine for precision parts machining according to claim 2, characterized in that: spring claw (7) are including spring sleeve (71), the back of spring sleeve (71) surface and the inner wall fixed connection of sheet shell (41), there is extension piece (72) spring sleeve (71) inner wall's bottom through extension spring sliding connection, the front of extension piece (72) is provided with jack catch (10), the surface of extension piece is run through to the rear end of jack catch (10), the rear end of jack catch (10) and the inner chamber fixed connection of extension piece.

6. The numerically controlled milling machine for precision parts machining according to claim 5, characterized in that: the clamping jaw (10) comprises a crescent shell (101), a node column (104) is fixedly connected to the middle of the inner wall of the crescent shell (101), a shaft rod (102) is rotatably connected to the inner wall of the crescent shell (101), a slotted sector plate (103) is rotatably connected to the lower portion of the outer surface of the shaft rod (102), the bottom end of the slotted sector plate (103) is slidably connected with the bottom end of the inner wall of the crescent shell (101), the slotted sector plate (103) is fixedly connected through a rubber strip (105), and the top end of the outer surface of the rubber strip (105) is fixedly connected with an inner cavity of the node column (104).

7. The numerically controlled milling machine for precision parts machining according to claim 2, characterized in that: indicating device (8) are including dial plate (81), the surface of board shell (41) inner wall is run through on the top of dial plate (81), the surface of dial plate (81) rotates with the inner chamber of board shell (41) to be connected, pointer pole (82) have been cup jointed to the axle center department of dial plate (81), the bottom of pointer pole (82) link up the bottom of dial plate (81) surface, the bottom fixedly connected with gear wheel (83) of pointer pole (82), the both sides of gear wheel (83) all mesh and are connected with half face tooth post (84), the bottom of half face tooth post (84) and the top fixed connection of coarse axis (61) surface.