CN210755396U

CN210755396U - High-precision numerical control milling machine

Info

Publication number: CN210755396U
Application number: CN201921497872.8U
Authority: CN
Inventors: 张建兴; 杨梓; 朱金成
Original assignee: Changzhou Ruiyu Communication Equipment Manufacturing Co ltd
Current assignee: Changzhou Ruiyu Communication Equipment Manufacturing Co ltd
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-16
Anticipated expiration: 2029-09-10

Abstract

The utility model discloses a high-precision numerical control milling machine, which relates to the technical field of machining equipment and aims to solve the technical problem that a machine head is easy to shake in a small amplitude in the machining process, and the key point of the technical scheme is that a machine frame vertical to the machine frame is fixedly connected with the top wall of the machine frame, the machine head is arranged above the machine frame, a driving mechanism for driving the machine head to do linear reciprocating motion along the vertical direction is fixedly connected with the side wall of the machine frame, a plurality of vertically arranged guide posts are fixedly connected with the side wall of the machine frame, and a plurality of guide holes for the corresponding guide posts to be inserted and; the cooperation through guide post and guiding hole can make the driving piece more stable driving the aircraft nose at the in-process that vertical direction moved, and makes the aircraft nose be difficult for the shake in the course of the work, can make the precision in the course of working higher.

Description

High-precision numerical control milling machine

Technical Field

The utility model relates to a machining equipment technical field, more specifically say, it relates to a high accuracy numerically controlled fraise machine.

Background

The numerically controlled milling machine is a device for automatically machining a workpiece according to a machining program programmed in advance.

The numerical control milling machine in the prior art is shown by referring to fig. 5, and comprises a machine base 1, wherein a machine frame 11 perpendicular to the machine base 1 is fixedly connected to the top wall of the machine base 1, a machine head 12 is arranged above the machine base 1, and a driving mechanism 13 for driving the machine head 12 to do linear reciprocating motion along the vertical direction is fixedly connected to the side wall of the machine frame 11. The machine head 12 is driven by the driving mechanism 13 to move downwards to machine the workpiece, and the machine head moves upwards to reset after machining is finished.

However, in the machining process of the machine head 12, the workpiece can be machined only by contacting the tool bit 121 rotating at a high speed with the workpiece, that is, the tool bit 121 is likely to shake slightly in the machining process, so that the whole machine head 12 is driven to shake slightly, and the machining precision is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a high accuracy numerically controlled fraise machine, it has the difficult shake that takes place of aircraft nose to the higher advantage of machining precision.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a high accuracy numerically controlled fraise machine, includes the frame, frame roof fixedly connected with rather than the vertically frame, the frame top is equipped with the aircraft nose, frame lateral wall fixedly connected with is used for ordering about the aircraft nose and is straight reciprocating motion's actuating mechanism along vertical direction, the guide post of a plurality of vertical settings of frame lateral wall fixedly connected with, the aircraft nose surface runs through and is equipped with a plurality of corresponding guide post adaptations of confession and inserts the guiding hole of establishing.

Through adopting above-mentioned technical scheme, can make the driving piece more stable driving the aircraft nose at the in-process that vertical direction moved through the cooperation relation of guide post and guiding hole, and make the aircraft nose be difficult for the shake in the course of the work, can make the precision in the course of working higher.

Furthermore, the top wall of the machine head is connected with a plurality of oil-immersed sponge sleeves, and the oil-immersed sponge sleeves are all sleeved outside the corresponding guide posts.

Through adopting above-mentioned technical scheme, the aircraft nose carries out linear reciprocating motion's in-process in vertical direction, and the sponge cover that soaks oil can coat lubricating oil to the guide post outside to can make the frictional resistance between guide post and the guiding hole littleer, can make the guide post slide the in-process more smoothly for the guiding hole.

Further, a plurality of oil storage annular of aircraft nose roof fixedly connected with, it is a plurality of the equal clearance fit's of oil storage annular cover is established in the outside of corresponding guide post, and is a plurality of the immersion oil sponge cover all includes fixed continuous immersion oil portion and fat liquoring portion, and is a plurality of the insertion of the equal adaptation of immersion oil portion is established in the oil storage annular, and is a plurality of the equal adaptation cover of fat liquoring portion is established in the corresponding guide post outside.

Through adopting above-mentioned technical scheme, but the manual work adds in the oil storage annular to a certain amount of lubricating oil with soaking oil portion and fat liquoring portion as the standard, drives the aircraft nose at actuating mechanism afterwards and carries out the in-process that moves in vertical direction, and fat liquoring portion can coat lubricating oil to the guide post surface, and oil portion last through siphon effect to fat liquoring portion fuel feeding, can make and need not frequently to soak oil sponge cover and add lubricating oil, and it is more convenient to use.

Further, the oil storage annular lateral wall is equipped with spacing hole along the horizontal direction, spacing downthehole adaptation and slidable wear to be equipped with the gag lever post, the portion of soaking oil is equipped with and supplies the gag lever post adaptation to insert the jack of establishing.

Through adopting above-mentioned technical scheme, wear to establish to the jack with the gag lever post from the spacing hole in, can make the difficult self-sliding of immersion oil portion from the oil storage annular, improved the stability of immersion oil sponge cover and oil storage annular connected state.

Furthermore, the limiting rod is provided with a guide surface towards the end wall of the jack.

Through adopting above-mentioned technical scheme, be convenient for insert the gag lever post and establish to spacing downthehole and the jack in, promoted the convenience of gag lever post and oil storage annular and oil immersion portion connection process.

Further, the limiting plate is fixedly arranged on the end wall, opposite to the jack, of the limiting rod, the limiting plate is abutted to the outer side wall of the oil storage ring groove, the first magnetic part is fixedly connected to the surface, facing the oil storage ring groove, of the limiting plate, and the second magnetic part is magnetically attracted to the first magnetic part and fixedly connected to the outer surface, facing the limiting plate, of the oil storage ring groove.

Through adopting above-mentioned technical scheme, can make the gag lever post insert establish to spacing hole and jack in the back, the limiting plate offsets with oil storage annular lateral wall, and magnetism spare one adsorbs under the magnetic action with magnetism spare two afterwards, can make more stable the inserting of gag lever post establish in spacing hole and jack afterwards, has further improved the stability of immersion oil sponge cover and oil storage annular connected state promptly.

Further, a connecting rope is fixedly connected between the limiting rod and the outer side wall of the oil storage ring groove.

Through adopting above-mentioned technical scheme, can make the gag lever post constantly keep connected state with the oil storage annular outer wall, can make the gag lever post take out to be difficult for losing after spacing hole.

Further, one side that oil storage annular roof is located fat liquoring portion back of the body guide post rotates and is connected with a plurality of clamp plates, be equipped with between oil storage annular and the clamp plate and be used for the torsional spring that promotes the clamp plate towards fat liquoring portion.

Through adopting above-mentioned technical scheme, the clamp plate can promote fat liquoring portion towards the guide post, can make fat liquoring portion and guide post butt state more stable.

To sum up, the utility model discloses following beneficial effect has:

1. the top wall of the machine base is fixedly connected with a machine frame perpendicular to the machine base, a machine head is arranged above the machine base, the side wall of the machine frame is fixedly connected with a driving mechanism for driving the machine head to do linear reciprocating motion along the vertical direction, the side wall of the machine frame is fixedly connected with a plurality of guide posts which are vertically arranged, and the surface of the machine head is provided with a plurality of guide holes for the corresponding guide posts to be inserted in a matching way; the driving piece can be more stable in the process of driving the machine head to move in the vertical direction through the matching relation of the guide post and the guide hole, and the machine head is not easy to shake in the working process, so that the precision in the machining process can be higher;

2. the top wall of the machine head is connected with a plurality of oil-immersed sponge sleeves which are all sleeved outside the corresponding guide posts; the aircraft nose carries out linear reciprocating motion's in-process at vertical direction, and the sponge cover that soaks oil can coat lubricating oil to the guide post outside to can make the frictional resistance between guide post and the guiding hole littleer, can make the guide post more smooth for the guiding hole slip in-process.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a sectional view showing the connection relationship between the head and the guide post in this embodiment;

FIG. 4 is a sectional view of the present embodiment showing the connection relationship between the oil-impregnated sponge sleeve and the oil-storing ring groove;

fig. 5 is a background art drawing.

In the figure: 1. a machine base; 11. a frame; 12. a machine head; 121. a cutter head; 13. a drive mechanism; 14. a guide post; 140. a guide hole; 2. an oil-impregnated sponge sleeve; 20. an oil storage ring groove; 21. an oil immersion part; 22. an oiling section; 23. pressing a plate; 24. a torsion spring; 3. a limiting rod; 30. a limiting hole; 300. a jack; 31. a guide surface; 4. a limiting plate; 41. a first magnetic part; 42. a second magnetic part; 43. and connecting ropes.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

a high-precision numerical control milling machine, referring to fig. 1, comprises a machine base 1, wherein a machine frame 11 vertical to the machine base 1 is fixedly welded on the top wall of the machine base 1. A machine head 12 is arranged above the machine base 1, a driving mechanism 13 is fixedly connected to the side wall of the machine frame 11, the driving mechanism 13 is preferably an air cylinder, and the driving mechanism 13 is used for driving the machine head 12 to do linear reciprocating motion along the vertical direction. The side wall of the rack 11 is fixed with a plurality of guide posts 14 through support welding, and the guide posts 14 are all vertically arranged.

Referring to fig. 2 and 3, a plurality of guide holes 140 are formed through the surface of the handpiece 12. The guide posts 14 are slidably fitted into the corresponding guide holes 140. The top wall of the machine head 12 is adhered with a plurality of oil storage ring grooves 20, and the plurality of oil storage ring grooves 20 are sleeved on the outer sides of the corresponding guide posts 14 in a clearance fit manner. The oil storage ring grooves 20 are all connected with oil immersion sponge sleeves 2, and the oil immersion sponge sleeves 2 all comprise an oil immersion part 21 and an oil coating part 22 which are integrally formed. The oil immersion parts 21 are inserted into the oil storage ring groove 20 in a matched mode, and the oil coating parts 22 are sleeved on the outer sides of the corresponding guide columns 14 in a matched mode.

Referring to fig. 4, one side of the top wall of the oil storage ring groove 20, which is located on the oiling portion 22 and is back to the guide post 14 (refer to fig. 3), is rotatably connected with a plurality of pressing plates 23 through a pin, torsion springs 24 are connected between the oil storage ring groove 20 and the pressing plates 23, and the torsion springs 24 are used for pushing the corresponding pressing plates 23 towards the oiling portion 22 so as to tightly support the oiling portion 22 against the corresponding guide post 14.

Referring to fig. 4, a plurality of limiting holes 30 are formed in the side wall of the oil storage ring groove 20 along the circumferential direction thereof, and the plurality of limiting holes 30 are horizontally formed. The limiting rods 3 are arranged in the limiting holes 30 in a penetrating mode in a matching mode and can slide in a penetrating mode, the oil immersion portion 21 is provided with a plurality of insertion holes 300, and the limiting rods 3 are inserted into the corresponding insertion holes 300 in a matching mode. The end walls of the limiting rods 3 facing the corresponding jacks 300 are provided with guide surfaces 31.

Referring to fig. 4, the limiting plates 4 are integrally formed on end walls of the limiting rods 3, which face away from the corresponding insertion holes 300, the limiting plates 4 abut against outer side walls of the oil storage ring groove 20, first magnetic members 41 are embedded in and adhered to surfaces of the limiting plates 4, which face the oil storage ring groove 20, and second magnetic members 42 are embedded in and adhered to outer surfaces of the oil storage ring groove 20, which face the limiting plates 4. The second magnetic element 42 and the first magnetic element 41 are natural magnetic iron blocks with magnetic attraction. The connecting ropes 43 are fixedly connected between the limiting rods 3 and the outer side wall of the oil storage ring groove 20, and preferably, two ends of the connecting ropes 43 are respectively adhered to corresponding positions of the limiting plate 4 and the outer wall of the oil storage ring groove 20.

The working principle is as follows: a certain amount of lubricating oil can be manually added into the oil storage ring groove 20 so as to wet the oil soaking part 21 and the oil coating part 22, and then the oil coating part 22 can coat the surface of the guide post 14 with the lubricating oil in the process that the driving mechanism 13 drives the machine head 12 to move in the vertical direction, so that the friction force of the guide post 14 in the sliding process in the guide hole 140 is smaller.

In addition, the matching relationship between the guide posts 14 and the guide holes 140 can make the driving member more stable in the process of driving the machine head 12 to move in the vertical direction, and make the machine head 12 not easy to shake in the working process, i.e. make the precision in the machining process higher.

When the oil immersion sponge sleeve 2 needs to be disassembled, the limiting rod 3 is manually pulled out of the jack 300, and then the oil immersion sponge sleeve 2 can be pulled out of the oil storage ring groove 20, so that the operation is convenient; when the immersion oil sponge cover 2 is installed to needs, the manual work is inserted the immersion oil portion 21 of immersion oil sponge cover 2 and is established to the oil storage annular 20 in, and make spacing hole 30 and jack 300 coaxial, thereafter the manual work is inserted the gag lever post 3 again from spacing hole 30 and is established to the jack 300 in, and make magnetic part one 41 and two 42 magnetism of magnetic part inhale mutually, can make the difficult roll-off oil storage annular 20 of immersion oil sponge cover 2 afterwards, can accomplish the installation of immersion oil sponge cover 2, and the operation is convenient, has the convenient advantage of immersion oil sponge cover 2 change.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a high accuracy numerically controlled fraise machine, includes frame (1), frame (1) roof fixedly connected with rather than vertically frame (11), frame (1) top is equipped with aircraft nose (12), frame (11) lateral wall fixedly connected with is used for driving aircraft nose (12) and is straight reciprocating motion's actuating mechanism (13) along vertical direction, its characterized in that: the side wall of the rack (11) is fixedly connected with a plurality of vertically arranged guide posts (14), and a plurality of guide holes (140) for the corresponding guide posts (14) to be inserted in an adaptive manner are arranged on the surface of the machine head (12) in a penetrating manner.

2. A high precision numerically controlled fraise machine according to claim 1, wherein: the top wall of the machine head (12) is connected with a plurality of oil-immersed sponge sleeves (2), and the oil-immersed sponge sleeves (2) are all sleeved on the outer sides of the corresponding guide columns (14).

3. A high precision numerically controlled milling machine according to claim 2, wherein: aircraft nose (12) roof fixedly connected with a plurality of oil storage annular (20), it is a plurality of the outer side at corresponding guide post (14) is established to the equal clearance fit's of oil storage annular (20) cover, it is a plurality of immersion oil portion (21) and fat liquoring portion (22) that immersion oil sponge cover (2) all include fixed linking to each other, it is a plurality of inserting of equal adaptation of immersion oil portion (21) is established in oil storage annular (20), and is a plurality of fat liquoring portion (22) equal adaptation cover is established in the corresponding guide post (14) outside.

4. A high precision numerically controlled fraise machine according to claim 3, wherein: oil storage annular (20) lateral wall is equipped with spacing hole (30) along the horizontal direction, gag lever post (3) are worn to be equipped with by adaptation and slidable in spacing hole (30), oil immersion portion (21) are equipped with and supply gag lever post (3) adaptation to insert jack (300) of establishing.

5. The high precision numerically controlled milling machine according to claim 4, wherein: the limiting rod (3) is provided with a guide surface (31) towards the end wall of the jack (300).

6. The high precision numerically controlled milling machine according to claim 4, wherein: the fixed limiting plate (4) that is equipped with of end wall of gag lever post (3) jack (300) dorsad, limiting plate (4) butt is at the lateral wall of oil storage annular (20), limiting plate (4) are connected with magnetic part one (41) towards the fixed surface of oil storage annular (20), oil storage annular (20) are connected with magnetic part two (42) that attract mutually with magnetic part one (41) magnetism towards the external fixed surface of limiting plate (4).

7. The high precision numerically controlled milling machine according to claim 4, wherein: and a connecting rope (43) is fixedly connected between the limiting rod (3) and the outer side wall of the oil storage ring groove (20).

8. A high precision numerically controlled fraise machine according to claim 3, wherein: oil storage ring groove (20) roof is located one side rotation that fat liquoring portion (22) are directed against guide post (14) and is connected with a plurality of clamp plates (23), be equipped with between oil storage ring groove (20) and clamp plate (23) and be used for with clamp plate (23) towards torsional spring (24) that fat liquoring portion (22) promoted.