CN218460970U

CN218460970U - High-performance numerical control milling machine

Info

Publication number: CN218460970U
Application number: CN202222492762.0U
Authority: CN
Inventors: 周国忠; 高志芳
Original assignee: Changshu Xinda Doors And Windows Co ltd
Current assignee: Changshu Xinda Doors And Windows Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-02-10
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a high performance numerically controlled fraise machine relates to numerically controlled fraise machine technical field. The utility model comprises a numerically controlled milling machine main body, a fixed ring and a movable ring, wherein the fixed ring is arranged on the numerically controlled milling machine main body, and the fixed ring and the movable ring are distributed up and down; the driving mechanism is arranged on the fixed ring and the movable ring and is used for driving the fixed ring and the movable ring to move vertically; and the through hole penetrates through the movable ring and is conical in structure, and the milling cutter and the bottom of the chuck can penetrate through the through hole. The utility model discloses a certain limiting displacement can be played to the chuck in the design of guard ring structure, and connection structure is firm for the chuck body is difficult for rocking, and rubber buffer pad has reduced the wearing and tearing between chuck body and the device, has increased the machining precision of milling machine during operation.

Description

High-performance numerical control milling machine

Technical Field

The utility model relates to a numerical control milling machine equipment technical field, concretely relates to numerical control milling machine.

Background

The numerical control milling machine is also called as CNC milling machine, which means a milling machine controlled by an electronic counter digitalized signal, the numerical control milling machine is an automatic processing device developed on the basis of a common milling machine, the processing technique of the numerical control milling machine and the processing technique of the numerical control milling machine are basically the same, the structure of the numerical control milling machine is similar, the numerical control milling machine is divided into two types, namely a non-tool magazine type and a tool magazine type, wherein the numerical control milling machine with the tool magazine is also called as a processing center, and the numerical control milling machine has the characteristics of good flexibility, high processing precision, stable and reliable processing quality, high production automation degree, high production efficiency and the like.

In the prior art, when the numerically controlled milling machine is in a non-working state, the chuck of the numerically controlled milling machine needs to be removed, so as to avoid the situation that when the numerically controlled milling machine is in the non-working state, the chuck and the milling cutter fall due to faults, and damage is caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an: when demolising the chuck for the solution, the slippage dropped easily appears in the chuck, and then causes chuck, milling cutter and numerically controlled fraise machine to appear the problem of damaging, the utility model provides a high performance numerically controlled fraise machine.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

the high-performance numerically controlled milling machine comprises a numerically controlled milling machine body, a fixed ring and a movable ring, wherein the fixed ring is arranged on the numerically controlled milling machine body, and the fixed ring and the movable ring are vertically distributed;

the driving mechanism is arranged on the fixed ring and the movable ring and is used for driving the movable ring and the fixed ring to move vertically;

and the through hole penetrates through the movable ring and is conical in structure, and the milling cutter and the bottom of the chuck can penetrate through the through hole.

Further, still include:

and the at least two fixed blocks are fixedly arranged on the outer surface of the fixed ring and distributed in an annular array, and the fixed blocks and the main body of the numerical control milling machine are fixedly connected through fixing bolts.

Further, the drive mechanism includes:

two screw rods, respectively the threaded sleeve establish two loop bars on two screw rods and set up and be in transmission portion on solid fixed ring and the two screw rods, wherein:

two screw rods all set up through the bearing is vertical to rotating solid fixed ring is last and evenly distributed, the free end of two loop bars all with loose ring fixed connection orders about two screw rods through transmission portion and rotates in step.

Further, the transmission portion includes:

two drive gear, inside and outside double-tooth ring, axostylus axostyle, cover establish the drive gear on the axostylus axostyle and the driving motor that output shaft and axostylus axostyle are connected, wherein:

two drive gears overlap respectively and establish on two the screw rod, the axostylus axostyle passes through the bearing and rotates the setting and is in gu fixed ring is last, and driving motor sets up through the bearing rotation setting is in gu fixed ring is intra-annular and with two drive gear and drive gear all mesh.

Further, the method also comprises the following steps:

and the limiting part is arranged between the opposite sides of the fixed ring and the movable ring and is used for limiting the movement of the latter.

Further, the spacing portion includes:

outer pole, offer the spacing groove in the outer pole, slide the stopper that sets up at the spacing inslot and with stopper fixed connection's gag lever post, wherein:

the outer rod is arranged vertically, the free end of the outer rod is fixedly connected with the fixing ring, the limiting groove is formed in the length direction of the outer rod and is constructed to be in a step shape, a step-shaped structure is formed between the limiting block and the limiting rod, the limiting rod is in sliding fit with the limiting groove, and the free end of the limiting rod is fixedly connected with the movable ring.

Further, the method also comprises the following steps:

and the protective ring is fixedly arranged on the movable ring, and a conical structure is formed inside the protective ring.

Furthermore, flexible pads are arranged in the protective ring and the through hole.

The utility model has the advantages as follows:

1. the utility model discloses when demolising the chuck, abandoned current operation mode, can avoid appearing the condition that the chuck slippage dropped because of the problem that the staff appears distracting, the hand strength is comparatively weak and both hands cooperation appears, and then avoid chuck, milling cutter and numerically controlled fraise machine main part to appear damaging, also reduced the maintenance rate when promoting work efficiency, consequently more have the practicality.

2. The utility model discloses a certain limiting displacement can be played to the chuck in the design of guard ring, avoids the chuck to appear rocking when falling because of gravity factor.

Drawings

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

FIG. 2 is a perspective view of a part of the structure of the present invention;

figure 3 is a perspective cross-sectional view of figure 2 of the present invention;

figure 4 is an enlarged view of the utility model at a in figure 3;

fig. 5 is an enlarged view of fig. 3B according to the present invention;

figure 6 is an enlarged view of figure 3 at C of the present invention;

figure 7 is another perspective cross-sectional view of the present invention from figure 2;

figure 8 is an enlarged view of figure 7 at D in accordance with the present invention;

fig. 9 is an enlarged view of the present invention at E in fig. 7.

Reference numerals: 1. a main body of the numerical control milling machine; 2. a fixing ring; 3. a movable ring; 4. a through hole; 5. a fixed block; 6. fixing the bolt; 7. a screw; 8. a loop bar; 9. a transmission gear; 10. an inner and an outer double-tooth ring; 11. a shaft lever; 12. a drive gear; 13. a drive motor; 14. an outer rod; 15. a limiting groove; 16. a limiting block; 17. a limiting rod; 18. a guard ring; 19. a flexible mat.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

As shown in fig. 1-9, an embodiment of the present invention provides a high performance numerically controlled fraise machine, including a numerically controlled fraise machine main body 1, a fixing ring 2 and a movable ring 3, where the numerically controlled fraise machine main body 1 is a mature existing structure, specifically refer to book "numerical controlled fraise machine (processing center)" published by anhui fertilizer industry university press, 2008, the fixing ring 2 is disposed on the numerically controlled fraise machine main body 1, the fixing ring 2 and the movable ring 3 are vertically distributed, specifically, the fixing ring 2 is horizontally disposed at a pneumatic clamping mechanism of the numerically controlled fraise machine main body 1, the fixing ring 2 is provided with a hole in a penetrating manner, the diameter of the hole is greater than the maximum diameter of a chuck, that is, the chuck can pass through the hole, and the movable ring 3 is horizontally disposed under the fixing ring 2; the driving mechanism is arranged on the fixed ring 2 and the movable ring 3 and is used for driving the fixed ring and the movable ring to move vertically; the through hole 4 penetrates through the movable ring 3 and is in a conical structure, the bottoms of the milling cutter and the chuck can penetrate through the through hole 4, the conical structure of the through hole 4 corresponds to the shape of the bottom of the chuck, in an initial state, namely, the chuck is clamped by a pneumatic clamping mechanism of the numerically controlled milling machine main body 1, the movable ring 3 is close to the fixed ring 2, the movable ring 3 is close to the joint of the chuck and the milling cutter, the bottoms of the milling cutter and the chuck both penetrate through the through hole 4, the milling cutter and the chuck are not in contact with the movable ring 3, namely, the movable ring 3 cannot influence the normal rotation of the chuck and the milling cutter, the axis of the fixed ring 2, the axis of the movable ring 3 and the axis of the chuck are positioned on the same straight line, the numerically controlled milling machine main body 1 can normally work, in a non-working state, the chuck and the milling cutter need to be dismantled, the specific operation at the moment is as follows, the movable ring 3 is driven by the driving mechanism to vertically move downwards for a small distance, the movable ring 3 is far away from the fixed ring 2 and the chuck, a worker presses down a switch for releasing the pneumatic clamping, the pneumatic clamping mechanism releases the clamping of the chuck, the chuck and the milling cutter fall down due to gravity until the bottom of the chuck is attached to the inner wall of the through hole 4, then the movable ring 3 is driven to move downwards along the vertical direction continuously through the driving mechanism until the distance between the opposite sides of the fixed ring 2 and the movable ring 3 is larger than the total length of the chuck and the milling cutter, at the moment, the worker grasps the chuck, lifts the chuck upwards until the milling cutter completely passes through the through hole 4, finally, the chuck is moved transversely to the position between the opposite sides far away from the fixed ring 2 and the movable ring 3, so that the dismounting work of the chuck is completed, when the preparation work is carried out, the chuck and the milling cutter are placed between the opposite sides of the fixed ring 2 and the movable ring 3 and kept in the vertical direction, so that the milling cutter passes through the through hole 4 downwards, until the bottom laminating through-hole 4 of chuck, later order about movable ring 3 through actuating mechanism along vertical upward movement, until the chuck corresponds the pneumatic fixture of numerically controlled fraise machine main part 1, start pneumatic fixture by the staff, install the centre gripping to the chuck, it is worth noting, after accomplishing the installation centre gripping of chuck again, should reset the state when initial condition with movable ring 3, to sum up, this device is when demolising the chuck, has abandoned current operating mode, can avoid leading to the condition that the chuck slippage dropped because of the staff appears the problem that the distraction, hand strength are comparatively weak and both hands cooperation appears, and then avoid chuck, milling cutter and numerically controlled fraise machine main part 1 to appear damaging, has also reduced the maintenance rate when promoting work efficiency, consequently has more the practicality.

As shown in fig. 6, in some embodiments, further comprising: at least two fixing blocks 5 are fixedly arranged on the outer surface of the fixing ring 2 and distributed in an annular array, the fixing blocks 5 are fixedly connected with the numerically controlled milling machine main body 1 through fixing bolts 6, positioning holes are formed in the fixing blocks 5 in a penetrating mode, threaded holes are formed in the numerically controlled milling machine main body 1, the fixing bolts 6 are in plug-in fit with the positioning holes and in threaded fit with the threaded holes, in an initial state, the fixing ring 2 and the numerically controlled milling machine main body 1 are in a connecting and fixing state, at the moment, the fixing ring 2 and the fixing blocks 5 are attached to the numerically controlled milling machine main body 1, the positioning holes and the threaded holes are in a communicating state, the fixing bolts 6 are plugged in the positioning holes and in threaded fit with the threaded holes, due to the effect of the fixing bolts 6, the fixing blocks 5 and the numerically controlled milling machine main body 1 cannot be separated, namely, the fixing ring 2 and the numerically controlled milling machine main body 1 cannot be separated, when the fixing ring 2 and the fixing ring 2 are detached, the positioning holes and the threaded holes are in a communicating state, the fixing bolts 6 are inserted into the fixing rings 6 and the fixing ring 2 can be separated from the numerically controlled milling machine main body 1 until the fixing rings 5 are fastened by means.

As shown in fig. 1-4, in some embodiments, the drive mechanism includes: two screws 7, respectively the threaded sleeve establish two loop bars 8 on two screws 7 and set up the transmission portion on solid fixed ring 2 and two screws 7, wherein: two screw rods 7 all set up on solid fixed ring 2 and evenly distributed through the bearing is vertical to rotating, the free end of two loop bars 8 all with activity ring 3 fixed connection, order about two screw rods 7 through the transmission portion and rotate in step, two loop bars 8 all are vertical to setting up all being located between solid fixed ring 2 and the opposite side of activity ring 3, the bottom and the 3 fixed connection of activity ring of loop bar 8, under initial condition, activity ring 3 is close to solid fixed ring 2, when needs order about activity ring 3 along vertical downstream, order about two synchronous clockwise rotations of screw rod 7 through the transmission portion, two loop bars 8 drive activity ring 3 along vertical downstream because of the screw thread effect of two screw rods 7 jointly respectively, otherwise, when needs order about activity ring 3 along vertical upstream, order about two synchronous anticlockwise rotations of screw rod 7 through the transmission portion, two loop bars 8 drive activity ring 3 along vertical upstream because of the screw thread effect of two screw rods 7 jointly respectively.

As shown in fig. 4, in some embodiments, the transmission portion includes: two drive gear 9, inside and outside double tooth ring 10, axostylus axostyle 11, the cover establish drive gear 12 on axostylus axostyle 11 and the driving motor 13 that the output shaft is connected with axostylus axostyle 11, wherein: two transmission gears 9 are respectively sleeved on two screw rods 7, a shaft rod 11 is rotatably arranged on a fixing ring 2 through a bearing, a driving motor 13 is arranged on the fixing ring 2, an inner double-tooth ring 10 and an outer double-tooth ring 10 are rotatably arranged in the fixing ring 2 through a bearing and are respectively meshed with the two transmission gears 9 and a driving gear 12, an accommodating groove is formed in the fixing ring 2, the top ends of the two screw rods 7, the two transmission gears 9, the inner double-tooth ring 10 and the outer double-tooth ring 11 and the driving gear 12 are respectively positioned in the accommodating groove, the inner double-tooth ring 10 and the outer double-tooth ring 10 are respectively composed of a ring body, inner double-tooth ring 10 and outer double-tooth ring 9, outer double-tooth ring and outer double-tooth ring 10 are respectively distributed on the outer side of the ring and are respectively meshed with the driving gear 12, the inner double-tooth ring 10 and the outer double-tooth ring 10 are synchronously rotated with the driving gear 12 under the meshing action, the two transmission gears 9 and the inner double-tooth ring 10 and the outer double-tooth ring 10 are synchronously rotated with the driving gear 10 under the meshing action, the clockwise rotation direction of the two transmission gears 12 and the outer double-tooth ring 10, and the clockwise rotation of the two transmission gears 9, the two transmission gears 9 and the clockwise double-tooth rings 13 are respectively rotated when the two transmission gears 9 and the two transmission gears 9 are synchronously rotated, the two transmission gears 9 and the clockwise rotation gears 13 are rotated, the clockwise rotation gears 9, the clockwise rotation gears 13.

As shown in fig. 8-9, in some embodiments, further comprising: spacing portion, the setting just is used for carrying on spacingly the activity of the latter's of the latter between the opposite side of solid fixed ring 2 and activity ring 3, because only connect through two screw rods 7 and two loop bars 8 between solid fixed ring 2 and the activity ring 3, so there is the condition that loop bar 8 breaks away from screw rod 7 completely, and activity ring 3 drops promptly, and the activity of 3 through spacing portion at this moment to the activity of activity ring carries on spacingly, makes loop bar 8 can't break away from screw rod 7 completely, avoids activity ring 3 to drop.

As shown in fig. 8-9, in some embodiments, the stop comprises: outer pole 14, offer spacing groove 15 in outer pole 14, slide and set up the stopper 16 in spacing groove 15 and with stopper 16 fixed connection's gag lever post 17, wherein: outer pole 14 is vertical to setting up and free end and solid fixed ring 2 fixed connection, spacing groove 15 is seted up and is constructed along outer pole 14's length direction and is the step form, form step-like structure between stopper 16 and the gag lever post 17,

gag lever post

17 and 15 sliding fit in spacing groove and free end and loose ring 3 fixed connection, the top and the solid fixed ring 2 fixed connection of outer pole 14, spacing groove 15 comprises the wide groove and the narrow groove that communicate each other, stopper 16 and wide groove sliding fit, gag lever post 17 and narrow groove sliding fit and bottom and loose ring 3 fixed connection, when loose ring 3 is along vertical when moving, stopper 16 and gag lever post 17 slide in wide groove and narrow groove respectively, stopper 16 can't break away from the wide groove and get into the narrow groove, in order to realize the limiting displacement to loose ring 3.

As shown in fig. 1-5, in some embodiments, further comprising: the guard ring 18 is fixedly arranged on the movable ring 3, a conical structure is formed inside the guard ring 18, the conical structure inside the guard ring 18 corresponds to the conical structure at the bottom of the chuck, the guard ring 18 can limit the chuck to a certain extent due to the design, and the chuck is prevented from shaking when falling due to gravity.

As shown in fig. 5, in some embodiments, the protection ring 18 and the through hole 4 are provided with a flexible pad 19 therein, and the flexible pad 19 is designed to buffer the falling of the chuck to reduce the impact of the chuck on the movable ring 3 and the protection ring 18, in this embodiment, the flexible pad 19 is made of a common rubber material.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The high-performance numerical control milling machine comprises a numerical control milling machine main body (1), a fixed ring (2) and a movable ring (3), and is characterized in that the fixed ring (2) is arranged on the numerical control milling machine main body (1), and the fixed ring (2) and the movable ring (3) are vertically distributed;

the driving mechanism is arranged on the fixed ring (2) and the movable ring (3) and is used for driving the fixed ring and the movable ring to move vertically;

and the through hole (4) penetrates through the movable ring (3) and is conical in structure, and the milling cutter and the bottom of the chuck can penetrate through the through hole (4).

2. The high performance numerically controlled fraise machine according to claim 1, further comprising:

at least two fixed blocks (5) are fixedly arranged on the outer surface of the fixing ring (2) and distributed in an annular array, and the fixed blocks (5) and the numerical control milling machine body (1) are fixedly connected through fixing bolts (6).

3. The high performance numerically controlled milling machine according to claim 1, wherein the drive mechanism includes:

two screw rods (7), two loop bars (8) and setting that the threaded sleeve was established respectively on two screw rods (7) are in transmission portion on solid fixed ring (2) and two screw rods (7), wherein:

two screw rods (7) are vertically arranged on the fixing ring (2) in a rotating mode through bearings, and are evenly distributed, the free ends of the two loop bars (8) are fixedly connected with the movable ring (3), and the two screw rods (7) are driven to synchronously rotate through the transmission portion.

4. The high-performance numerically controlled milling machine according to claim 3, wherein the transmission portion includes:

two drive gear (9), inside and outside double tooth ring (10), axostylus axostyle (11), cover establish drive gear (12) and output shaft and axostylus axostyle (11) the driving motor (13) of being connected on axostylus axostyle (11), wherein:

two drive gear (9) are established respectively and are established on two screw rod (7), axostylus axostyle (11) are rotated through the bearing and are set up on solid fixed ring (2), driving motor (13) set up on solid fixed ring (2), inside and outside double tooth ring (10) rotate through the bearing and set up in solid fixed ring (2) and with two drive gear (9) and drive gear (12) all mesh.

5. The high-performance numerically controlled milling machine according to claim 1, characterized by further comprising:

and the limiting part is arranged between the opposite sides of the fixed ring (2) and the movable ring (3) and is used for limiting the movement of the latter.

6. The high-performance numerically controlled milling machine according to claim 5, wherein the stopper portion includes:

outer pole (14), offer spacing groove (15) in outer pole (14), slide and set up stopper (16) in spacing groove (15) and with stopper (16) fixed connection's gag lever post (17), wherein:

outer pole (14) are vertical to setting up and free end with gu fixed ring (2) fixed connection, spacing groove (15) are followed the length direction of outer pole (14) is seted up and is constructed and be the step form, forms step structure between stopper (16) and gag lever post (17), gag lever post (17) and spacing groove (15) sliding fit and free end with loose ring (3) fixed connection.

7. The high-performance numerically controlled milling machine according to claim 1, characterized by further comprising:

and the protective ring (18) is fixedly arranged on the movable ring (3), and a conical structure is formed inside the protective ring (18).

8. The high performance numerically controlled milling machine according to claim 7, characterized in that flexible pads (19) are provided inside the guard ring (18) and the through hole (4).