CN212705412U - Digit control machine tool cutting dish fastener of polishing - Google Patents

Abstract

The utility model relates to a digit control machine tool cutting polishing dish fastener, including polishing dish body, rotary column and carousel, the position that is close to the bottom in the rotary column has seted up the notch, and rotates through the pivot in the notch and be connected with the carousel, and the notch whole is the triangle-shaped structure, the eccentric department of carousel evenly rotates and is connected with three cylindric lock, and all rotates on the cylindric lock and be connected with the connecting rod, the position of the connecting rod that the bottom corresponds in the notch has all seted up spacing spout, and sliding connection has spacing slider in the spacing spout, and fixedly connected with inserted bar on the spacing slider, and one end of inserted bar runs through the rotary column; the three inserted bars are driven by the rotating turntable to simultaneously stretch out and then are connected with the insertion holes in the insertion grooves in an insertion mode, so that the three inserted bars can be fixedly installed with the polishing disc body, the three inserted bars are connected more tightly through the triangular structures of the three inserted bars, and the polishing disc body is connected stably in a fastening mode.

Description

Digit control machine tool cutting dish fastener of polishing

Technical Field

The utility model relates to a relevant equipment technical field of digit control machine tool specifically is a digit control machine tool cutting dish fastener of polishing.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system, and the machine tool can act and machine parts according to a programmed program. Integrates the latest technologies of machinery, automation, computers, measurement, microelectronics and the like. The basic components comprise a processing program carrier, a numerical control device, a servo driving device, a machine tool main body and other auxiliary devices.

The traditional cutting and polishing disc is generally welded on a rotating head of a driving device, and the structure has the following defects: the welding manufacturing cost is high, and the precision is difficult to guarantee; the disassembly is extremely inconvenient, and the grinding disc is very inconvenient to replace after being worn;

in summary, the present application provides a fastening device for a cutting and polishing disc of a numerical control machine tool to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a digit control machine tool cutting dish fastener of polishing to solve the problem that proposes in the above-mentioned background art, the utility model discloses convenient to use, easy operation, systematic height, the practicality is strong.

In order to achieve the above object, the utility model provides a following technical scheme: a fastening device for a cutting and polishing disc of a numerical control machine tool comprises a polishing disc body, a rotary column and a rotary disc, wherein a notch is formed in the position, close to the bottom end, in the rotary column, a rotary disc is rotatably connected in the notch through a rotary shaft, the whole notch is of a triangular structure, three cylindrical pins are uniformly and rotatably connected to the eccentric part of the rotary disc, connecting rods are rotatably connected to the cylindrical pins, limiting sliding grooves are formed in the positions, corresponding to the bottom ends in the notches, of the connecting rods, limiting sliding blocks are slidably connected in the limiting sliding grooves, inserting rods are fixedly connected to the limiting sliding blocks, and one ends of the inserting rods penetrate through the rotary column; one end of the connecting rod is rotatably connected with the limiting sliding block; the polishing disc body is provided with an inserting groove, and the inner wall of the inserting groove is uniformly provided with three inserting holes matched with the inserting rods.

Preferably, still include the ratchet body, the one end of pivot is run through rotary column and ratchet body fixed connection, just the top of rotary column is provided with the non return pawl, just the non return pawl uses with the ratchet body cooperation, the outer end fixedly connected with link of rotary column.

Preferably, a guide groove is formed in the notch, and the inner diameter of the guide groove is equal to the outer diameter of the inserted rod.

Preferably, still include baffle and pin, equal fixedly connected with baffle on the slider, just the equal fixedly connected with pin in the position of the baffle that corresponds in the notch, just the pin uses with the baffle cooperation.

Preferably, the top end of the rotating shaft is fixedly connected with a handle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a set up the intercoordination of rotary column, carousel, notch, inserted bar and ratchet body, drive three inserted bar through rotating the carousel and stretch out simultaneously then with the jack in the grafting recess peg graft so alright with polish a set body and install fixedly, and let its fastening more that connect through the triangle-shaped structure of three inserted bar, so through rotary column and the detachable of polishing a set body be connected, when conveniently changing the polishing a set body, let polish a set body coupling comparatively fasten stably.

Drawings

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

fig. 2 is a schematic top view of a cross-sectional structure of the transfer column of the present invention;

fig. 3 is a schematic view of a front view cross-sectional structure of the transit post of the present invention;

fig. 4 is a schematic top view of the polishing disc body of the present invention.

Reference numerals: 100. a sanding disc body; 110. inserting grooves; 200. turning the column; 210. inserting a rod; 220. a connecting frame; 230. a notch; 240. a guide groove; 250. a limiting chute; 260. a limiting slide block; 300. a turntable; 310. a cylindrical pin; 320. a connecting rod; 330. a baffle plate; 340. a stop lever; 400. a rotating shaft; 500. a ratchet body; 510. a non-return pawl; 520. a handle.

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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a fastening device for a cutting and polishing disc of a numerical control machine tool comprises a polishing disc body 100, a rotary column 200 and a rotary disc 300, wherein a notch 230 is formed in the rotary column 200 and close to the bottom end, the rotary disc 300 is rotatably connected in the notch 230 through a rotary shaft 400, the notch 230 is integrally of a triangular structure, three cylindrical pins 310 are uniformly and rotatably connected to the eccentric position of the rotary disc 300, connecting rods 320 are rotatably connected to the cylindrical pins 310, limiting sliding grooves 250 are formed in positions, corresponding to the positions of the connecting rods 320, of the bottom end in the notch 230, limiting sliding blocks 260 are slidably connected to the limiting sliding grooves 250, inserting rods 210 are fixedly connected to the limiting sliding blocks 260, and one ends of the inserting rods 210 penetrate through the rotary column 200; one end of the connecting rod 320 is rotatably connected with the limiting slide block 260; the grinding disc body 100 is provided with an insertion groove 110, and the inner wall of the insertion groove 110 is uniformly provided with three insertion holes matched with the insertion rods 210;

wherein, the rotary column 200 can be clamped with the polishing disc body 100 by inserting the inserting rod 210 into the inserting hole in the inserting groove 110;

wherein, the insert rod 210 can be made of iron, steel or alloy material;

the notch 230 is a triangular structure, so that the three insertion rods 210 are also triangular structures, and the equipment has certain stability;

the ratchet mechanism further comprises a ratchet body 500, one end of the rotating shaft 400 penetrates through the rotating column 200 and is fixedly connected with the ratchet body 500, the top end of the rotating column 200 is provided with a non-return pawl 510, the non-return pawl 510 is matched with the ratchet body 500 for use, and the outer end of the rotating column 200 is fixedly connected with a connecting frame 220;

the ratchet body 500 and the non-return pawl 510 are in the prior art, the non-return pawl 510 is always engaged with teeth on the ratchet body 500 through a spring plate or a torsion spring, and details are not repeated herein, and the rotation of the rotating shaft 400 and the rotating disc 300 is prevented by the ratchet body 500 from causing the grinding disc body 100 to fall off after the insertion of the rotating shaft 400 and the rotating disc 300 is completed to drive the inserted link 210 to rotate by arranging the ratchet body 500;

meanwhile, when the insertion rod 210 is completely inserted into the insertion hole in the insertion groove 110, the baffle 330 interferes with the stop lever 340; by the arrangement, the ratchet wheel body 500, the rotating shaft 400 and the rotating disc 300 are prevented from rotating clockwise again under the action of inertia in the rotation process of the polishing disc;

wherein, the rotating shaft 400 is fixedly connected with the turntable 300, and the rotating shaft 400 is rotatably connected in the rotary column 200;

a guide groove 240 is formed on the notch 230, and the inner diameter of the guide groove 240 is equal to the outer diameter of the plunger 210;

the sliding blocks are fixedly connected with the baffle plates 330, the positions of the corresponding baffle plates 330 in the notches 230 are fixedly connected with the baffle rods 340, and the baffle rods 340 are matched with the baffle plates 330;

the top end of the rotating shaft 400 is also fixedly connected with a handle 520;

the working principle is as follows: when in use, the rotary column 200 is firstly fixedly connected to the rotary head of the driving device through the matching of the connecting frame 220 and the bolt, and then the bottom end of the rotary column 200 is inserted into the insertion groove 110; then, the handle 520 drives the rotating shaft 400, the ratchet body 500 and the turntable 300 to rotate clockwise, so that the connecting rod 320 drives the limiting slide block 260 to slide on the limiting slide groove 250, and the limiting slide block 260 completely extends out of the inserted link 210; the insertion rod 210 is clamped with the insertion hole in the insertion groove 110, so that the rotary column 200 is convenient for mounting the grinding disc body 100, and at the moment, the baffle 330 is completely abutted against the stop rod 340; when disassembly is required, the non-return pawl 510 is manually disengaged from the ratchet body 500, as in the above principle, and then the handle 520 is rotated counterclockwise to disengage the plunger 210 from the socket.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

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 (5)

1. The utility model provides a digit control machine tool cutting dish fastener of polishing which characterized in that: the grinding disc comprises a grinding disc body (100), a rotary column (200) and a rotary disc (300), wherein a notch (230) is formed in the rotary column (200) and close to the bottom end, the rotary disc (300) is rotatably connected in the notch (230) through a rotary shaft (400), the notch (230) is integrally of a triangular structure, three cylindrical pins (310) are uniformly and rotatably connected to the eccentric position of the rotary disc (300), connecting rods (320) are respectively and rotatably connected to the cylindrical pins (310), limiting sliding grooves (250) are formed in positions, corresponding to the connecting rods (320), of the bottom end in the notch (230), limiting sliding blocks (260) are slidably connected in the limiting sliding grooves (250), inserting rods (210) are fixedly connected to the limiting sliding blocks (260), and one ends of the inserting rods (210) penetrate through the rotary column (200); one end of the connecting rod (320) is rotatably connected with the limiting sliding block (260);

the grinding disc body (100) is provided with an insertion groove (110), and the inner wall of the insertion groove (110) is uniformly provided with three insertion holes matched with the insertion rods (210).

2. The numerical control machine tool cutting and grinding disc fastening device as claimed in claim 1, wherein: the ratchet wheel is characterized by further comprising a ratchet wheel body (500), one end of the rotating shaft (400) penetrates through the rotating column (200) and is fixedly connected with the ratchet wheel body (500), a non-return pawl (510) is arranged at the top end of the rotating column (200), the non-return pawl (510) is matched with the ratchet wheel body (500) for use, and the outer end of the rotating column (200) is fixedly connected with a connecting frame (220).

3. The numerical control machine tool cutting and grinding disc fastening device as claimed in claim 1, wherein: a guide groove (240) is formed in the notch (230), and the inner diameter of the guide groove (240) is equal to the outer diameter of the insert rod (210).

4. The numerical control machine tool cutting and grinding disc fastening device as claimed in claim 1, wherein: still include baffle (330) and pin (340), equal fixedly connected with baffle (330) on the slider, just the equal fixedly connected with pin (340) in the position of corresponding baffle (330) in notch (230), just pin (340) and baffle (330) cooperation are used.

5. The numerical control machine tool cutting and grinding disc fastening device as claimed in claim 1, wherein: the top end of the rotating shaft (400) is also fixedly connected with a handle (520).

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