CN211276797U

CN211276797U - Mechanism for machining arc surface of precise metal piece

Info

Publication number: CN211276797U
Application number: CN201922372166.7U
Authority: CN
Inventors: 张治勇; 丁波波; 丁本祥
Original assignee: Nanjing Qisheng Metal Precision Materials Co ltd
Current assignee: Nanjing Qisheng Metal Precision Materials Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-18
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a be used for accurate metalwork arc surface processing agency, including erection bracing board and handle of a knife, the bottom fixedly connected with spiller of handle of a knife, the lower fixed surface of erection bracing board is connected with clamping device, clamping device includes ring shape casing, ring shape casing cover is established on the surface of handle of a knife, the upper surface that is close to the rear side on the ring shape casing is connected with the lower fixed surface of erection bracing board, the inner wall sliding connection of ring shape casing has the arc grip block of two symmetries, two the equal fixedly connected with gag lever post of the looks dorsal part of arc grip block, the gag lever post runs through ring shape casing and spacing slip on ring shape casing. The utility model discloses, use through the cooperation between the above-mentioned structure, solved in the in-service use, because convenient and fast inadequately to the fixed of handle of a knife on the lock blade seat, need carry out the dismouting to many screws, bring inconvenience for the use, reduced work efficiency's problem.

Description

Mechanism for machining arc surface of precise metal piece

Technical Field

The utility model relates to an accurate metal processing equipment technical field specifically is a be used for accurate metalwork arc surface processing agency.

Background

In the traditional numerical control milling machine processing, the included angle processing is incomplete due to the fact that the included angle and the normal direction of the designed digital model are different, at the moment, various tools are needed to carry out post processing on a sample, an arc scraper knife and a common scraper knife are selected according to the shape of the included angle, but post processing on the sample with irregular shapes such as a curved surface and an arc is inconvenient, so that a precise metal part arc surface processing mechanism is provided, for example, a precise metal part efficient processing mechanism disclosed by Chinese patent CN207239318U, a supporting plate of the precise metal part efficient processing mechanism is arranged between the rear end of a mounting plate and the rear end of a lock knife seat, at least 2 first through holes are formed in the mounting plate, a screw rod of a bolt is embedded into the first through holes, and a nut of the bolt is positioned below the mounting plate; the mounting plate is provided with a T-shaped through hole, and the machine tool spindle is provided with a threaded hole corresponding to the T-shaped through hole. The utility model eliminates the line mark of the cutter connecting line, thereby improving the effect, the precision and the quality of the arc-shaped processing surface, greatly improving the processing efficiency of CNC to the arc surface of the metal piece, and having simple operation and strong practicability;

however, in the actual use process, the tool holder is not fixed conveniently and quickly enough on the tool holder locking seat, and a plurality of screws need to be disassembled and assembled, so that inconvenience is brought to use, and the working efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for accurate metalwork arc surface processing agency improves traditional device, has solved the problem among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be used for accurate metalwork arc surface processing agency, includes erection bracing board and handle of a knife, the bottom fixedly connected with spiller of handle of a knife, the lower fixed surface of erection bracing board is connected with clamping device.

The clamping device comprises a circular ring-shaped shell, the circular ring-shaped shell is sleeved on the surface of the knife handle, the upper surface of the circular ring-shaped shell close to the rear side is fixedly connected with the lower surface of the mounting support plate, the inner wall of the circular ring-shaped shell is connected with two symmetrical arc-shaped clamping plates in a sliding manner, the opposite sides of the two arc-shaped clamping plates are fixedly connected with limiting rods, the limiting rods penetrate through the circular ring-shaped shell and slide on the circular ring-shaped shell in a limiting manner, the upper surface of the arc-shaped clamping plates is fixedly connected with a guide post, the upper surface of the circular ring-shaped shell is provided with a limiting through groove for the guide post to slide left and right, the upper surface of the circular ring-shaped shell rotates in a limiting manner to form a rotating ring, the lower surface of the rotating ring is provided with a spiral guide groove, the surface of the guide, the side of worm wheel meshes has the worm, the last fixed surface of ring shape casing is connected with the fixing base, the worm rotates through the inner wall of round pin axle and fixing base and is connected.

Preferably, the edges and corners of the circular ring-shaped shell are all subjected to circular arc transition treatment.

Preferably, the inner wall of the arc-shaped clamping plate is fixedly connected with a rubber pad, and the surface of the rubber pad is fixedly connected with the surface of the knife handle.

Preferably, one end of the limiting rod, which is far away from the arc-shaped clamping plate, is fixedly connected with a baffle disc, and a damping spring is sleeved on the surface of the limiting rod.

Preferably, the upper surface of the circular ring-shaped shell is fixedly connected with two limiting arms, and the lower surfaces and the side surfaces of the limiting arms are respectively connected with the upper surface of the rotating ring and the inner side surface of the rotating ring in a sliding manner.

Preferably, the top of the guide post is an arc-shaped end face, and the guide post is connected with the inner wall of the spiral guide groove in a sliding mode through the arc-shaped end face on the guide post.

Compared with the prior art, the beneficial effects of the utility model are as follows:

one, the utility model discloses a clamping device's setting is when guaranteeing the installation intensity to the handle of a knife, to the dismouting convenient and fast more of handle of a knife, has improved work efficiency.

Secondly, the utility model inserts the knife handle into the annular shell, then the worm is driven by hand to rotate, the worm wheel meshed with the worm is driven to rotate, the worm wheel rotates to drive the synchronous limit rotation of the rotating ring, because the limiting rod is limited after penetrating the annular shell, the moving track of the limiting rod and the arc-shaped clamping plate can only move left and right in the annular shell, meanwhile, the limiting through groove limits the moving track of the guide post, so that the guide post can only slide left and right in the limiting through groove, therefore, after the rotating ring rotates, the spiral guide groove on the lower surface of the rotating ring can generate relative sliding with the guide post, and through changing the rotating direction of the rotating ring, the spiral guide groove can guide the two guide posts to drive the respective arc-shaped clamping plate and the limiting rod to move oppositely or oppositely on the annular shell or oppositely, when the two arc-shaped clamping plates move oppositely, the opposite surfaces of the two arc-shaped clamping plates can be in contact with the surface of the cutter handle and generate extrusion, and finally, the clamping and fixing of the cutter handle are finished; when the two arc-shaped clamping plates move away from each other, the clamping of the knife handle is released, and the knife handle can be detached.

Thirdly, the utility model discloses a cooperation between the above-mentioned structure is used, has solved in the in-service use, because convenient and fast inadequately to the fixed of handle of a knife on the lock blade holder, need carry out the dismouting to many screws, brings inconvenience for the use, has reduced work efficiency's problem.

Drawings

Fig. 1 is a front view of the structure of the present invention;

FIG. 2 is a front broken view of the annular housing of the present invention;

fig. 3 is a bottom view of the rotating ring of the present invention.

In the figure: the device comprises a mounting support plate 1, a knife handle 2, a shovel knife 3, a clamping device 4, a circular ring-shaped shell 5, an arc-shaped clamping plate 6, a limiting rod 7, a guide column 8, a limiting through groove 9, a rotating ring 10, a spiral guide groove 11, a worm wheel 12, a worm 13, a fixed seat 131, a rubber pad 14, a baffle disc 15, a damping spring 151 and a limiting arm 16.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: a machining mechanism for an arc surface of a precision metal part comprises an installation supporting plate 1 and a cutter handle 2, wherein the bottom of a machine tool spindle is fixedly connected with the upper surface of the installation supporting plate 1, a scraper knife 3 is fixedly connected with the bottom of the cutter handle 2, a PCD blade is fixed on the front end face of the scraper knife 3, the lower end face of the PCD blade is in an inner arc surface shape, when the machining mechanism for the precision metal part is used for efficiently machining the precision metal part, the defect of a cutter connecting line mark formed by a milling cutter in the process of machining an arc from the front side is overcome, the cutter connecting line mark is eliminated, the effect, the precision and the quality of the arc-shaped machining surface are improved, the machining efficiency of the CNC on the arc surface of the metal part is greatly improved, the machining mechanism is simple to operate, the clamping device 4 is fixedly connected to the lower surface of the installation supporting plate 1, through the arrangement of the clamping, the working efficiency is improved.

The clamping device 4 comprises a circular ring-shaped shell 5, the edges and corners of the circular ring-shaped shell 5 are subjected to arc transition treatment, and the skin of an operator can be prevented from being scratched by the edges and corners of the circular ring-shaped shell 5 in use through the arc transition treatment of the edges and corners on the circular ring-shaped shell 5; the circular ring-shaped shell 5 is sleeved on the surface of the tool handle 2, the upper surface, close to the rear side, of the circular ring-shaped shell 5 is fixedly connected with the lower surface of the installation supporting plate 1, the inner wall of the circular ring-shaped shell 5 is connected with the two symmetrical arc-shaped clamping plates 6 in a sliding mode, the inner wall of each arc-shaped clamping plate 6 is fixedly connected with the rubber pad 14, the surface of each rubber pad 14 is fixedly connected with the surface of the tool handle 2, and through the arrangement of the rubber pads 14 on the inner walls of the arc-shaped clamping plates 6, the inner walls of the arc-shaped clamping plates 6 can be prevented from being in direct extrusion contact with the tool handle 2, so that the surface of the tool handle 2 is prevented; the opposite sides of the two arc-shaped clamping plates 6 are fixedly connected with limiting rods 7, the limiting rods 7 penetrate through the circular shell 5 and slide on the circular shell 5 in a limiting manner, one end, far away from the arc-shaped clamping plates 6, of each limiting rod 7 is fixedly connected with a baffle disc 15, a damping spring 151 is sleeved on the surface of each limiting rod 7, slight vibration generated in the left-right moving process of the limiting rods 7 is filtered and absorbed through the damping spring 151 through the cooperation of the baffle discs 15 on the limiting rods 7 and the damping spring 151, and the stability in the using process is guaranteed; the upper surface of the arc-shaped clamping plate 6 is fixedly connected with a guide post 8, the upper surface of the circular ring-shaped shell 5 is provided with a limiting through groove 9 for the guide post 8 to slide left and right, the upper surface of the circular ring-shaped shell 5 is limited and rotated by a rotating ring 10, after the limiting rod 7 penetrates through the circular ring-shaped shell 5, the moving tracks of the limiting rod 7 and the arc-shaped clamping plate 6 are limited and can only move left and right in the circular ring-shaped shell 5, meanwhile, the limiting through groove 9 limits the moving track of the guide post 8, so that the guide post 8 can only slide left and right in the limiting through groove 9, therefore, after the rotating ring 10 rotates, the spiral guide groove 11 on the lower surface of the rotating ring 10 can slide relative to the guide post 8, and by changing the rotating direction of the rotating ring 10, the spiral guide groove 11 can guide the two guide posts 8 to drive the respective arc-shaped clamping plate 6 and the limiting rod 7 to move oppositely or oppositely, when the two arc-shaped clamping plates 6 move oppositely, the opposite surfaces of the two arc-shaped clamping plates 6 are in contact with the surface of the cutter handle 2 and generate extrusion, and finally, the cutter handle 2 is clamped and fixed; when the two arc-shaped clamping plates 6 move away from each other, the clamping of the tool shank 2 is released, and the tool shank 2 can be detached; the upper surface of the circular shell 5 is fixedly connected with two limiting arms 16, the lower surfaces and the side surfaces of the limiting arms 16 are respectively connected with the upper surface of the rotating ring 10 and the inner side surface of the rotating ring 10 in a sliding manner, and the rotating track of the rotating ring 10 can be limited by the arrangement of the two limiting arms 16 on the circular shell 5, so that the stability of limiting rotation of the rotating ring 10 on the circular shell 5 is further improved; the lower surface of the rotating ring 10 is provided with a spiral guide groove 11, the surface of the guide post 8 close to the top passes through the limiting through groove 9 and is in sliding connection with the inner wall of the spiral guide groove 11, the top of the guide post 8 is an arc-shaped end surface, the guide post 8 is in sliding connection with the inner wall of the spiral guide groove 11 through the arc-shaped end surface on the guide post, and through the arrangement of the arc-shaped end surface on the top of the guide post 8, the friction resistance between the guide post and the inner wall of the rotating ring 10 can be reduced, so that the guide post 8 can slide more smoothly in the spiral guide groove; the upper surface fixedly connected with worm wheel 12 of swivel becket 10, through inserting handle of a knife 2 and putting in ring shape casing 5, then the rotation of manual drive worm 13, worm wheel 12 with worm 13 meshing is driven and rotates, rotate the synchronous spacing rotation that drives swivel becket 10 through worm wheel 12, the side meshing of worm wheel 12 has worm 13, the upper surface fixedly connected with fixing base 131 of ring shape casing 5, worm 13 rotates through the inner wall of round pin axle with fixing base 131 and is connected, and because have reverse locking function between worm wheel 12 and the worm 13, worm wheel 12 can't rotate through rotation drive worm 13 promptly, guarantee from this to provide stable fixed centre gripping effect to handle of a knife 2.

The working principle is as follows: when the mechanism for machining the arc surface of the precise metal piece is used, the clamping device 4 is arranged, so that the installation strength of the tool handle 2 is guaranteed, the tool handle 2 is more convenient and quicker to assemble and disassemble, and the working efficiency is improved; the knife handle 2 is inserted into the annular shell 5, then the worm 13 is manually driven to rotate, the worm wheel 12 meshed with the worm 13 is driven to rotate, and the worm wheel 12 rotates to drive the rotating ring 10 to synchronously limit and rotate; after the limiting rod 7 penetrates through the circular ring-shaped shell 5, the moving tracks of the limiting rod 7 and the arc-shaped clamping plate 6 are limited and can only move left and right in the circular ring-shaped shell 5, meanwhile, the limiting through groove 9 limits the motion trail of the guide post 8, so that the guide post 8 can only slide left and right in the limiting through groove 9, therefore, when the rotating ring 10 rotates, the spiral guide groove 11 on the lower surface of the rotating ring 10 can slide relative to the guide post 8, by changing the rotation direction of the rotating ring 10, the spiral guide groove 11 can guide the two guide posts 8 to carry the respective arc-shaped clamping plates 6 and the limiting rods 7 to move towards or away from each other on the circular ring-shaped shell 5, when the two arc-shaped clamping plates 6 move oppositely, the opposite surfaces of the two arc-shaped clamping plates 6 are in contact with the surface of the cutter handle 2 and generate extrusion, and finally, the cutter handle 2 is clamped and fixed; when the two arc-shaped clamping plates 6 move away from each other, the clamping of the tool shank 2 is released, and the tool shank 2 can be detached; through the cooperation use between the above-mentioned structure, solved in the in-service use, because lock the fixed convenient and fast inadequately of blade holder, need carry out the dismouting to many screws, bring inconvenience for the use, reduced work efficiency's problem.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for accurate metalwork arc surface processing agency, includes erection bracing board (1) and handle of a knife (2), the bottom fixedly connected with spiller (3) of handle of a knife (2), its characterized in that: the lower surface of the mounting support plate (1) is fixedly connected with a clamping device (4);

the clamping device (4) comprises a circular ring-shaped shell (5), the circular ring-shaped shell (5) is sleeved on the surface of the cutter handle (2), the upper surface, close to the rear side, of the circular ring-shaped shell (5) is fixedly connected with the lower surface of the mounting support plate (1), the inner wall of the circular ring-shaped shell (5) is slidably connected with two symmetrical arc-shaped clamping plates (6), the opposite sides of the two arc-shaped clamping plates (6) are fixedly connected with limiting rods (7), the limiting rods (7) penetrate through the circular ring-shaped shell (5) and limit and slide on the circular ring-shaped shell (5), the upper surface of each arc-shaped clamping plate (6) is fixedly connected with a guide column (8), a limiting through groove (9) for the guide column (8) to slide left and right is formed in the upper surface of the circular ring-shaped shell (5), and a rotating ring (10) is rotated in a, spiral guide slot (11) have been seted up to the lower surface of rotating ring (10), the surface that is close to the top on guide post (8) passes spacing logical groove (9) and with the inner wall sliding connection of spiral guide slot (11), the last fixed surface of rotating ring (10) is connected with worm wheel (12), the side meshing of worm wheel (12) has worm (13), the last fixed surface of ring shape casing (5) is connected with fixing base (131), worm (13) are connected through the inner wall rotation of round pin axle with fixing base (131).

2. The mechanism of claim 1, wherein the mechanism comprises: the edges and corners of the circular ring-shaped shell (5) are all subjected to circular arc transition treatment.

3. The mechanism of claim 1, wherein the mechanism comprises: the inner wall of the arc-shaped clamping plate (6) is fixedly connected with a rubber pad (14), and the surface of the rubber pad (14) is fixedly connected with the surface of the knife handle (2).

4. The mechanism of claim 1, wherein the mechanism comprises: keep away from one end fixedly connected with fender dish (15) of arc grip block (6) on gag lever post (7), the surface cover of gag lever post (7) has damping spring (151).

5. The mechanism of claim 1, wherein the mechanism comprises: the upper surface of the circular ring-shaped shell (5) is fixedly connected with two limiting arms (16), and the lower surfaces and the side surfaces of the limiting arms (16) are respectively in sliding connection with the upper surface of the rotating ring (10) and the inner side surface of the rotating ring (10).

6. The mechanism of claim 1, wherein the mechanism comprises: the top of the guide post (8) is an arc-shaped end face, and the guide post (8) is connected with the inner wall of the spiral guide groove (11) in a sliding mode through the arc-shaped end face on the guide post.