CN218776089U

CN218776089U - Digit control machine tool that cutter is collapsible

Info

Publication number: CN218776089U
Application number: CN202222249116.1U
Authority: CN
Inventors: 马全宏
Original assignee: Shijiazhuang Shisheng Electromechanical Co ltd
Current assignee: Shijiazhuang Shisheng Electromechanical Co ltd
Priority date: 2022-08-25
Filing date: 2022-08-25
Publication date: 2023-03-31
Anticipated expiration: 2032-08-25

Abstract

The utility model belongs to the technical field of the digit control machine tool, especially, be a digit control machine tool that cutter is collapsible, which comprises a fixing plate and i, it is connected with two rotary rods to rotate on the both sides inner wall of fixed plate, the fixed cover in the outside of rotary rod is equipped with two worms, and the outside of two rotary rods is fixed the cover and is equipped with the sprocket all, and the transmission is connected with same chain on two sprockets, it is connected with four thread bushings to rotate on the top inner wall of fixed plate, and the fixed cover in the outside of four thread bushings is equipped with the transmission worm wheel, and four worms mesh with the transmission worm wheel that corresponds respectively. The utility model has the advantages of reasonable design, through the cooperation of rotary rod, worm, transmission worm wheel, sprocket, chain, thread bush, vertical lead screw and regulating plate, the deformation volume to four stereoplasm springs that can synchronize is adjusted, and then guarantees that the elasticity of four stereoplasm springs is the same, and then when making the milling cutter atress, the condition of slope can not take place for the knife rest, guarantees the quality that milling cutter processed, and the reliability is high.

Description

Numerical control machine tool with retractable cutter

Technical Field

The utility model relates to a digit control machine tool technical field especially relates to a digit control machine tool that cutter is collapsible.

Background

The numerical control machine tool is one of the widely used numerical control machine tools at present, is mainly used for cutting processing of inner and outer cylindrical surfaces of shaft parts or disc parts, inner and outer conical surfaces with any cone angle, inner and outer curved surfaces of complex rotation, cylinders, conical threads and the like, and can perform grooving, drilling, reaming, boring and the like. After retrieval: an authorization publication number is CN 213945810U's a digit control machine tool that cutter is collapsible, comprises a workbench, workstation front end left part and the equal fixed mounting of front end right part have a connecting plate, workstation lower extreme rear portion fixed mounting has a vertical board, and vertical board, connecting plate and workstation are the integrated into one piece structure, workstation upper end right part fixed mounting has an air-cooler, vertical board front end middle part fixed mounting has two fixed blocks and an blast pipe, and the one end fixed connection of blast pipe is at the output of air-cooler, two the connecting plate lower extreme all is provided with two vertical poles, and the common fixed mounting of four vertical pole lower extremes has a knife rest, knife rest front end fixed mounting has a fixed plate, knife rest lower extreme equidistance is provided with a plurality of milling cutter. This design a collapsible digit control machine tool of cutter, its cutter has the shrink function, can reduce wearing and tearing to the cutter can dispel the heat fast, has stronger practical value, suitable popularization.

However the collapsible digit control machine tool of cutter still has the weak point among the above-mentioned, adjust the deformation volume of stereoplasm spring respectively through four fixing bolt, can't guarantee the unanimity of the deformation volume of four stereoplasm springs, make the deformation volume of stereoplasm spring different, and then lead to the difference of the elasticity size of stereoplasm spring, add man-hour at milling cutter, though have the function of shrink, nevertheless because of the difference of elasticity size, make the whole easy slope that takes place of knife rest, and then can't guarantee the quality that milling cutter processed, therefore we have proposed a collapsible digit control machine tool of cutter and have been used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects in the prior art, and provides a numerical control machine tool with a retractable cutter.

In order to realize the purpose, the utility model adopts the following technical scheme:

the utility model provides a digit control machine tool that cutter is collapsible, includes the fixed plate, it is connected with two rotary rods to rotate on the both sides inner wall of fixed plate, the fixed cover in the outside of rotary rod is equipped with two worms, and the fixed cover in the outside of two rotary rods is equipped with the sprocket, and the transmission is connected with same chain on two sprockets, it is connected with four thread bushings to rotate on the top inner wall of fixed plate, and the fixed cover in the outside of four thread bushings is equipped with the transmission worm wheel, and four worms mesh with the transmission worm wheel that corresponds respectively, thread bushing internal thread cover is equipped with vertical lead screw, the bottom fixedly connected with regulating plate of vertical lead screw, four barrels of base fixedly connected with of fixed plate, the bottom fixedly connected with stereoplasm spring of regulating plate, the bottom fixedly connected with slide of stereoplasm spring, the bottom fixedly connected with carriage of slide, the same knife rest of the bottom fixedly connected with of four carriage, the three milling cutter of knife rest.

Preferably, the one end fixedly connected with hand wheel of a rotary rod in two rotary rods, one side screw thread of hand wheel is provided with clamping screw, a plurality of fixed slots have been seted up to one side of fixed plate, clamping screw activity joint is in the fixed slot that corresponds.

Preferably, four threaded holes are formed in the top of the fixing plate, and the four threaded holes are arranged in a rectangular mode based on the fixing plate.

Preferably, the inner wall of the top of the fixing plate is fixedly connected with four bearings, and inner rings of the four bearings are respectively and fixedly sleeved on the outer sides of the corresponding threaded sleeves.

Preferably, the inner wall of the top and the inner wall of the bottom of the barrel are fixedly connected with two guide rods, and the adjusting plate and the sliding plate are sleeved on the outer sides of the two guide rods in a sliding manner.

Preferably, the top fixedly connected with mount pad of milling cutter, the bottom screw thread of mount pad is provided with two threaded rods, the mount pad is through two threaded rod fixed connection in the bottom of knife rest.

In the utility model, through the cooperation of the barrel, the hard spring sliding plate, the moving rods, the tool rest and the milling cutter, when the milling cutter is stressed, the whole tool rest and the four moving rods move upwards and the hard springs slightly contract, so that the milling cutter is protected to a certain extent, and the milling cutter is prevented from being seriously worn;

the utility model discloses in, a cutter collapsible digit control machine tool, through the cooperation of rotary rod, worm, drive worm wheel, sprocket, chain, thread bush, vertical lead screw and regulating plate, can be synchronous adjust the deformation volume of four stereoplasm springs, and then guaranteed that the elasticity of four stereoplasm springs is the same, and then when making the milling cutter atress, the condition that the knife rest can not take place to incline guarantees the quality of milling cutter processing, through the setting of clamping screw and fixed slot, can fix hand wheel and rotary rod, avoid accidental rotation hand wheel and lead to the deformation volume of four stereoplasm springs to change;

the utility model has the advantages of reasonable design, through the cooperation of rotary rod, worm, transmission worm wheel, sprocket, chain, thread bush, vertical lead screw and regulating plate, the deformation volume to four stereoplasm springs that can synchronize is adjusted, and then has guaranteed that the elasticity of four stereoplasm springs is the same, and then when making the milling cutter atress, the condition of slope can not take place for the knife rest, guarantees the quality that milling cutter processed, and the reliability is high.

Drawings

Fig. 1 is a schematic structural view of a numerical control machine tool with a retractable tool according to the present invention;

fig. 2 is a cross-sectional view of a numerically controlled machine tool with a retractable tool according to the present invention;

fig. 3 is a schematic structural diagram of a part a of a numerical control machine tool with a retractable cutter according to the present invention.

In the figure: 1. a fixing plate; 2. a cylinder body; 3. a travel bar; 4. a threaded hole; 5. a tool holder; 6. a mounting seat; 7. milling cutters; 8. a hand wheel; 9. fixing the screw rod; 10. rotating the rod; 11. a fixing groove; 12. a threaded rod; 13. a bearing; 14. a threaded sleeve; 15. a drive worm gear; 16. a worm; 17. a sprocket; 18. a chain; 19. a vertical screw rod; 20. a slide plate; 21. a hard spring; 22. an adjusting plate; 23. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a numerically controlled machine tool with retractable cutter comprises a fixing plate 1, two rotating rods 10 are rotatably connected to inner walls of two sides of the fixing plate 1, two worms 16 are fixedly sleeved on outer sides of the rotating rods 10, chain wheels 17 are fixedly sleeved on outer sides of the two rotating rods 10, the two chain wheels 17 are in transmission connection with a same chain 18, four thread sleeves 14 are rotatably connected to inner walls of the top of the fixing plate 1, transmission worm wheels 15 are fixedly sleeved on outer sides of the four thread sleeves 14, the four worms 16 are respectively meshed with the corresponding transmission worm wheels 15, vertical lead screws 19 are sleeved in the thread sleeves 14, adjusting plates 22 are fixedly connected to the bottoms of the vertical lead screws 19, four cylinders 2 are fixedly connected to a base of the fixing plate 1, hard springs 21 are fixedly connected to the bottoms of the adjusting plates 22, and sliding plates 20 are fixedly connected to the bottoms of the hard springs 21, the bottom of the sliding plate 20 is fixedly connected with the moving rods 3, the bottom ends of the four moving rods 3 are fixedly connected with the same tool rest 5, the bottom of the tool rest 5 is fixedly connected with three milling cutters 7, when the milling cutters 7 are stressed, the whole tool rest 5 and the four moving rods 3 move upwards and slightly contract the hard springs 21, so that the milling cutters 7 are protected to a certain extent, the milling cutters 7 are prevented from being seriously abraded, then the rotating rods 10 are rotated, under the transmission of the chain wheel 17 and the chain 18, the synchronous rotation of the two rotating rods 10 and the four worms 16 is driven, the four worms 16 drive the synchronous rotation of the four transmission worm wheels 15 and the thread sleeves 14, the four thread sleeves 14 drive the synchronous lifting of the four vertical screw rods 19, the four vertical screw rods 19 drive the four adjusting plates 22 to synchronously lift on the guide rods 23, and further synchronously adjust the deformation of the four hard springs 21, and then guaranteed that four stereoplasm spring 21's elasticity is the same, and then when making milling cutter 7 atress, the condition that the knife rest 5 can not take place to incline, and then guaranteed the quality of milling cutter 7 processing.

The utility model discloses in, the one end fixedly connected with hand wheel 8 of a rotary rod 10 in two rotary rods 10, one side screw thread of hand wheel 8 is provided with clamping screw 9, a plurality of fixed slots 11 have been seted up to one side of fixed plate 1, clamping screw 9 activity joint is in the fixed slot 11 that corresponds, be convenient for rotate rotary rod 10, set up through clamping screw 9 and fixed slot 11 simultaneously, can fix hand wheel 8 and rotary rod 10, avoid unexpected rotation hand wheel 8 and lead to four stereoplasm spring 21's deformation volume to change.

The utility model discloses in, four screw holes 4 have been seted up at the top of fixed plate 1, and four screw holes 4 are the rectangle setting based on fixed plate 1, through four screw holes 4 on the fixed plate 1, are convenient for fix fixed plate 1, knife rest 5 and milling cutter 7 on the digit control machine tool.

The utility model discloses in, four bearings 13 of fixedly connected with on the top inner wall of fixed plate 1, the inner circle of four bearings 13 is fixed the cover respectively and is established in the outside of the thread bush 14 that corresponds, can support thread bush 14, makes its rotatory more stable smooth and easy.

The utility model discloses in, on the top inner wall of barrel 2 and on the bottom inner wall two guide bar 23 of fixedly connected with, regulating plate 22 and slide 20 all slide the cover and establish in the outside of two guide bar 23, be convenient for lead to regulating plate 22 and slide 20, make more stable smooth and easy that it removed.

The utility model discloses in, milling cutter 7's top fixedly connected with mount pad 6, the bottom screw thread of mount pad 6 are provided with two threaded rods 12, and mount pad 6 is in the bottom of knife rest 5 through two threaded rods 12 fixed connection, and the dismouting of milling cutter 7 of being convenient for is changed.

In the utility model, during operation, the fixed plate 1, the cutter frame 5 and the milling cutter 7 are conveniently fixed on the numerical control machine tool through the four threaded holes 4 on the fixed plate 1, when the milling cutter 7 is stressed, the whole cutter frame 5 and the four movable rods 3 move upwards and slightly contract the hard springs 21, so as to play a certain protection role on the milling cutter 7, prevent the milling cutter 7 from being seriously worn, when the contraction quantity of the milling cutter 7 needs to be adjusted, the fixed screw 9 is rotated to ensure that the fixed screw 9 is separated from the fixed groove 11 to fix the hand wheel 8 and the rotary rod 10, then the hand wheel 8 is rotated to drive the synchronous rotation of the two rotary rods 10 and the four worms 16 under the transmission of the chain wheel 17 and the chain 18, four worms 16 have driven the synchronous revolution of four transmission worm wheels 15 and thread bush 14, four thread bushes 14 have driven the synchronous lift of four vertical lead screws 19, four vertical lead screws 19 have driven four regulating plates 22 and have gone up and down in step on guide bar 23, and then can be synchronous adjust four stereoplasm spring 21's deformation, and then guaranteed that four stereoplasm spring 21's elasticity is the same, and then when making milling cutter 7 atress, the condition of slope can not take place for knife rest 5, and then guarantee the quality of milling cutter 7 processing, after adjusting, screw up clamping screw 9, make clamping screw 9 joint fix rotation lever 10 in corresponding fixed slot 11, avoid unexpected rotation hand wheel 8 and lead to four stereoplasm spring 21's deformation to change.

Claims

1. A numerical control machine tool with a retractable cutter comprises a fixed plate (1) and is characterized in that, two rotating rods (10) are rotatably connected on the inner walls at the two sides of the fixed plate (1), the outer sides of the rotating rods (10) are fixedly sleeved with two worms (16), the outer sides of the two rotating rods (10) are both fixedly sleeved with chain wheels (17), the two chain wheels (17) are in transmission connection with the same chain (18), four thread sleeves (14) are rotatably connected on the inner wall of the top of the fixed plate (1), a transmission worm wheel (15) is fixedly sleeved on the outer sides of the four thread sleeves (14), four worms (16) are respectively meshed with the corresponding transmission worm wheels (15), a vertical screw rod (19) is sleeved in the thread sleeve (14) through internal threads, the bottom end of the vertical screw rod (19) is fixedly connected with an adjusting plate (22), the base of the fixed plate (1) is fixedly connected with four cylinder bodies (2), the bottom of the adjusting plate (22) is fixedly connected with a hard spring (21), the bottom end of the hard spring (21) is fixedly connected with a sliding plate (20), the bottom of the sliding plate (20) is fixedly connected with moving rods (3), the bottom ends of the four moving rods (3) are fixedly connected with the same tool rest (5), the bottom of the tool rest (5) is fixedly connected with three milling cutters (7).

2. The numerical control machine tool with the retractable cutter as claimed in claim 1, wherein one end of one (10) of the two rotating rods (10) is fixedly connected with a hand wheel (8), a fixing screw (9) is arranged on one side of the hand wheel (8) in a threaded manner, a plurality of fixing grooves (11) are formed on one side of the fixing plate (1), and the fixing screw (9) is movably clamped in the corresponding fixing groove (11).

3. The numerically-controlled machine tool with the retractable cutter as claimed in claim 1, wherein four threaded holes (4) are formed in the top of the fixing plate (1), and the four threaded holes (4) are arranged in a rectangular shape on the basis of the fixing plate (1).

4. The numerically-controlled machine tool with the retractable cutter as claimed in claim 1, wherein four bearings (13) are fixedly connected to the inner wall of the top of the fixed plate (1), and inner rings of the four bearings (13) are respectively and fixedly sleeved on the outer sides of the corresponding threaded sleeves (14).

5. The numerically-controlled machine tool with the retractable cutter as claimed in claim 1, wherein two guide rods (23) are fixedly connected to the top inner wall and the bottom inner wall of the cylinder (2), and the adjusting plate (22) and the sliding plate (20) are slidably sleeved on the outer sides of the two guide rods (23).

6. The numerically controlled machine tool with retractable cutters as claimed in claim 1, wherein the top of the milling cutter (7) is fixedly connected with a mounting seat (6), the bottom thread of the mounting seat (6) is provided with two threaded rods (12), and the mounting seat (6) is fixedly connected with the bottom of the cutter rest (5) through the two threaded rods (12).