CN211965948U

CN211965948U - Multi-station fluted disc positioning knife rest structure of numerical control machine tool

Info

Publication number: CN211965948U
Application number: CN201921603931.5U
Authority: CN
Inventors: 黄杰伊
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-11-20
Anticipated expiration: 2029-09-25

Abstract

The utility model provides a multistation fluted disc location knife rest structure of digit control machine tool, including base and cutter stop device, base upper portion is annular array form and installs four the cutter, and the base upper portion middle side is annular array form fixedly connected with four cutter clamping mechanism, cutter stop device's quantity is four altogether, and four stop device is annular array form and sets up on base upper portion right side. Cutter stop device sets up on base upper portion right side, be favorable to through the screw rod supporting shoe, make the screw rod obtain effectual support, and through rotating the screw rod, make T type spacing slider slide adjusting around inside going on at first T type spout under the screw thread effect, slide adjusting around through T type spacing slider, terminal surface closely pastes with the cutter rear end face that compresses tightly on base upper portion before making T type spacing slider, thereby make the rear end position of cutter obtain effectual limiting displacement, the steadiness of cutter in the use has been improved.

Description

Multi-station fluted disc positioning knife rest structure of numerical control machine tool

Technical Field

The utility model belongs to the technical field of the digit control machine tool knife rest, more specifically say, in particular to multistation fluted disc location knife rest structure of digit control machine tool.

Background

The numerical control tool rest is the most common auxiliary device of the numerical control lathe, and can enable the numerical control lathe to finish various and even all machining processes in one-time clamping of a workpiece so as to shorten the auxiliary time of machining and reduce errors caused by multiple times of installation of the workpiece in the machining process, thereby improving the machining efficiency and the machining precision of the machine tool. With the development of the numerical control lathe, the numerical control tool rest begins to develop towards the directions of quick tool changing, electro-hydraulic combined driving and servo driving. At present, the domestic numerical control tool rest is mainly electric and is divided into a vertical type and a horizontal type.

As in application No.: 201410715910.8 the invention discloses a tool rest of a numerical control machine, which comprises a chassis (1), be equipped with spacing groove (2) on chassis (1), be equipped with step (3) on spacing groove (2), be equipped with vertical axis (4) in spacing groove (2), be equipped with bearing (5) on step (3), bearing (5) and vertical axis (4) looks adaptation, be equipped with turbine (6) on vertical axis (4), chassis (1) peripheral cover is equipped with blade holder (7), chassis (1) is connected through connecting piece (8) with blade holder (7), be equipped with groove of stepping down (9) on blade holder (7), groove of stepping down (9) and turbine (6) looks adaptation, be equipped with C shape knife rest (10) on blade holder (7), vertical axis (4) one end is equipped with axle sleeve (11), axle sleeve (11) overcoat is equipped with sleeve (12), sleeve (12) and C shape knife rest (10) looks adaptation, be equipped with gland (13) on sleeve (12). The invention has the advantages of reasonable structural design, stable installation and suitability for numerical control machine tools.

Based on the search of the patent and the discovery of combining the equipment in the prior art, the vertical tool rest has two forms of four stations and six stations, adopts the working principle of worm wheel holding rod transmission and fluted disc meshing and locking, and is mainly used for simple numerically controlled lathes. The existing vertical tool rest is usually fastened through a bolt on the tool rest when the tool is fixed, so that the upper end surface and the lower end surface of the tool can only be tightly pressed, and the rear end and the outer side of the tool lack effective limiting and fastening structures, so that the tool in the vertical tool rest can shift in the process of machining parts, the stability of the tool in the using process is influenced, and the machining quality of the parts in a numerical control machine tool can be influenced once the tool shifts.

Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a multi-station fluted disc positioning tool rest structure of a numerical control machine tool is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a multistation fluted disc location knife rest structure of digit control machine tool, fasten through the bolt on its knife rest usually when fixed cutter with solving current vertical knife rest, so just can only compress tightly the upper and lower both ends face of cutter, and the rear end and the outside of cutter still lack effectual spacing and fastening structure, make cutter in the vertical knife rest take place the aversion phenomenon at the processing part in-process, not only influence the steadiness of cutter in the use, and the cutter is in case take place the aversion phenomenon, will influence the problem of the processingquality of part in the digit control machine tool.

The utility model discloses purpose and efficiency of multistation fluted disc location knife rest structure of digit control machine tool are reached by following concrete technological means:

the utility model provides a multistation fluted disc location knife rest structure of digit control machine tool, includes base and cutter stop device, base upper portion is the annular array form and installs four the cutter, and the base upper portion middle side is annular array form fixedly connected with four cutter clamping mechanism, cutter stop device's quantity is four altogether, and four stop device is the annular array form and sets up on base upper portion right side.

Further, the base still includes location knife rest, first fastening bolt, first screw thread through-hole and first T type spout, the location knife rest is installed on base upper portion, and locates knife rest middle part upper end and personally submit annular array and describe and seted up four first T type spout, the location knife rest top is personally submitted annular array and is seted up twelve altogether first screw thread through-hole, and every first screw thread through-hole is inside all to have one through threaded connection first fastening bolt.

Further, the cutter limiting device also comprises a screw supporting block, a screw, a T-shaped limiting slide block, an adjusting hand wheel, a hexagonal fastening block, a second T-shaped chute, a T-shaped clamping groove, a T-shaped clamping block and a second threaded through hole, wherein the screw supporting block is fixedly connected to the right side part of the front end surface of the lower part of the positioning tool rest, the rear side of the upper end surface of the screw supporting block is provided with the second T-shaped chute communicated with the first T-shaped chute, the upper part of the front end surface of the screw supporting block is provided with the T-shaped clamping groove, the interior of the T-shaped clamping groove is rotatably connected with the screw, the front side surface of the interior of the second T-shaped chute is provided with a through hole communicated with the interior of the T-shaped clamping groove, the through hole is rotatably connected with the outer peripheral surface of the front side of the screw, the front side of the outer peripheral surface of the screw is, and the T-shaped limiting slide block is connected inside the first T-shaped sliding groove and the second T-shaped sliding groove in a sliding mode, a second threaded through hole is formed in the lower portion of the front end face of the T-shaped limiting slide block, and the inside of the second threaded through hole is connected with the outer peripheral face of the screw rod through threads.

Further, the cutter clamping mechanism further comprises a supporting plate, a sliding block, a second fastening bolt, a rectangular sliding groove and a third threaded through hole, the supporting plate is fixedly connected to the front end face of the lower portion of the positioning tool rest, a rectangular opening is formed in the upper portion of the front end face of the supporting plate, one rectangular sliding groove is formed in the upper end face and the lower end face of the inside of the rectangular opening formed in the upper portion of the front end face of the supporting plate, the upper end face and the lower end face of the inside of the rectangular opening are connected with the sliding block in a sliding mode, the third threaded through hole is formed in the front end face of the sliding block.

Furthermore, the front end face of the screw rod is fixedly connected with an adjusting hand wheel, and a hexagonal fastening block is arranged on the front end face of the adjusting hand wheel.

Compared with the prior art, the utility model discloses following beneficial effect has:

cutter stop device sets up on base upper portion right side, be favorable to through the screw rod supporting shoe, make the screw rod obtain effectual support, and through rotating the screw rod, make T type spacing slider slide adjusting around inside going on at first T type spout under the screw thread effect, slide adjusting around through T type spacing slider, terminal surface closely pastes with the cutter rear end face that compresses tightly on base upper portion before making T type spacing slider, thereby make the rear end position of cutter obtain effectual limiting displacement, the steadiness of cutter in the use has been improved.

Clamping mechanism sets up in base upper portion side, and the inside slider that slides through the rectangle spout of seting up backup pad preceding terminal surface upper portion has, and the second fastening bolt that makes threaded connection in the third screw through-hole that the terminal surface was seted up before the slider can be nimble adjust according to the length of cutter, and screw up the operation through second fastening bolt to the outside that makes the cutter has also obtained limiting displacement, has effectively reduced the phenomenon that the cutter takes place to shift in the use, has improved the processingquality of part in the digit control machine tool.

Drawings

Fig. 1 is a schematic axial view of the present invention.

Fig. 2 is a schematic axial view of the base of the present invention.

Fig. 3 is an axial view structure diagram of the cutter limiting device of the present invention.

Fig. 4 is a front view of the screw support block of the present invention.

Fig. 5 is a schematic sectional view a-a in fig. 4 according to the present invention.

Fig. 6 is a schematic view of the screw shaft structure of the present invention.

Fig. 7 is the axial view structure schematic diagram of the T-shaped limiting slide block of the present invention.

Fig. 8 is an axial view structural schematic diagram of the tool clamping mechanism of the present invention.

Fig. 9 is a schematic view of a partial sectional structure of a rectangular sliding groove in the tool clamping mechanism of the present invention.

Fig. 10 is a schematic axial view of the slider of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 101. positioning a tool rest; 102. a first fastening bolt; 103. a first threaded through hole; 104. a first T-shaped chute; 2. a cutter; 3. a cutter limiting device; 301. a screw support block; 302. a screw; 303. a T-shaped limiting slide block; 304. adjusting a hand wheel; 305. a hexagonal fastening block; 306. a second T-shaped chute; 307. a T-shaped clamping groove; 308. a T-shaped fixture block; 309. a second threaded through hole; 4. a tool clamping mechanism; 401. a support plate; 402. a slider; 403. a second fastening bolt; 404. a rectangular chute; 405. a third threaded through hole.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 10:

the utility model provides a multistation fluted disc location knife rest structure of digit control machine tool, including base 1 and cutter stop device 3, base 1 upper portion is annular array form and installs four cutters 2, base 1 still includes location knife rest 101, first fastening bolt 102, first screw thread through-hole 103 and first T type spout 104, base 1 upper portion is installed location knife rest 101, and location knife rest 101 middle part upper end is personally submitted the annular array form and has seted up four first T type spouts 104, as shown in figure 2, location knife rest 101 top is personally submitted annular array form and has seted up twelve first screw thread through-holes 103 altogether, and each first screw thread through-hole 103 inside all has a first fastening bolt 102 through threaded connection, as shown in figure 1, make the upper and lower both ends face of cutter 2 compressed tightly; the upper side of the base 1 is fixedly connected with four cutter clamping mechanisms 4 in an annular array shape, each cutter clamping mechanism 4 further comprises a supporting plate 401, a sliding block 402, a second fastening bolt 403, a rectangular sliding groove 404 and a third threaded through hole 405, the supporting plate 401 is fixedly connected to the front end face of the lower portion of the positioning tool rest 101, the upper portion of the front end face of the supporting plate 401 is provided with a rectangular opening, as shown in the attached drawings 1 and 8, the upper end face and the lower end face of the interior of the rectangular opening formed in the upper portion of the front end face of the supporting plate 401 are respectively provided with a rectangular sliding groove 404, the sliding block 402 is slidably connected between the upper rectangular sliding groove 404 and the lower rectangular sliding groove 404, as shown in the attached drawing 9, the front end face of the sliding block 402 is provided with the third threaded through hole 405, and the interior of the third threaded through hole 405 is in threaded connection with the second fastening, therefore, the outer side of the cutter 2 is limited, the phenomenon that the cutter 2 is displaced in the using process is effectively reduced, and the processing quality of parts in the numerical control machine tool is improved; the number of the cutter limiting devices 3 is four, and the four limiting devices 3 are arranged on the right side of the upper part of the base 1 in an annular array shape.

Wherein, the tool limiting device 3 further comprises a screw supporting block 301, a screw 302, a T-shaped limiting slide block 303, an adjusting handwheel 304, a hexagonal fastening block 305, a second T-shaped sliding groove 306, a T-shaped clamping groove 307, a T-shaped clamping block 308 and a second threaded through hole 309, the screw supporting block 301 is fixedly connected to the right side part of the front end face of the lower part of the positioning tool rest 101, as shown in fig. 1, the screw 302 is effectively supported, the rear side of the upper end face of the screw supporting block 301 is provided with the second T-shaped sliding groove 306 communicated with the first T-shaped sliding groove 104, as shown in fig. 4 to 5, the upper part of the front end face of the screw supporting block 301 is provided with the T-shaped clamping groove 307, the T-shaped clamping groove 307 is internally and rotatably connected with the screw 302, the front side face of the second T-shaped sliding groove 306 is provided with a through hole communicated with the inside of the T-shaped, the T-shaped fixture block 308 is arranged on the front side of the outer peripheral surface of the screw 302, and the T-shaped fixture block 308 is rotatably connected with the T-shaped fixture groove 307, so that the screw 302 can rotate more stably on the screw support block 301, the T-shaped limit slider 303 is connected with the rear side of the outer peripheral surface of the screw 302 through threads as shown in figure 3, the T-shaped limit slider 303 is slidably connected with the inner parts of the first T-shaped chute 104 and the second T-shaped chute 306, so that the T-shaped limit slider 303 is more stable at the rear end of the limit tool 2, the lower part of the front end surface of the T-shaped limit slider 303 is provided with a second threaded through hole 309 as shown in figure 7, the inner part of the second threaded through hole 309 is connected with the outer peripheral surface of the screw 302 through threads, the T-shaped limit slider is slidably adjusted back and forth in the first T-shaped chute 104 under the action of the threads by rotating the screw 302, the front end surface of the T-shaped limit slider 303 is closely attached to the rear, thereby make the rear end position of cutter 2 obtain effectual limiting displacement, improved the steadiness of cutter 2 in the use.

Wherein, terminal surface fixedly connected with adjusting hand wheel 304 before screw 302 makes the staff more convenient when rotating screw 302, and adjusting hand wheel 304 preceding terminal surface is provided with hexagonal fastening block 305, as shown in fig. 6, through the setting of hexagonal fastening block 305, thereby make adjusting hand wheel 304 can also rotate hexagonal fastening block 305 through the instrument and carry out further fastening operation to screw 302 when rotating to the more labouring state, the compactness when terminal surface pastes with cutter 2 rear end face before the spacing slider 303 of T type has been improved.

The specific use mode and function of the embodiment are as follows:

in the utility model, when in use, the bottom end of the first fastening bolt 102 is closely attached to the upper end surface of the cutter 2 by a tool, so that the upper and lower end surfaces of the cutter 2 are tightly pressed in the positioning tool rest 101, then, the adjusting handwheel 304 is rotated to enable the screw 302 to start rotating, and the T-shaped limiting slide block 303 slides forwards in the first T-shaped sliding groove 104 under the screw action of the screw 302 and a second screw thread through hole 309 arranged at the lower part of the front end surface of the T-shaped limiting slide block 303, when the front end face of the T-shaped limit slider 303 is attached to the rear end face of the cutter 2, the hexagonal fastening block 305 is further fastened by a tool, so that the front end face of the T-shaped limit slider 303 is closely attached to the rear end face of the cutter 2 pressed on the upper part of the base 1, therefore, the rear end part of the cutter 2 is effectively limited, and the stability of the cutter 2 in the use process is improved; then slide block 402 slides in rectangular spout 404 according to the length of cutter 2 and adjusts to suitable position again, and the rethread instrument is screwed up fastening bolt 403 and is operated to make the outside of cutter 2 also obtain limiting displacement, effectively reduced the phenomenon that cutter 2 takes place to shift in the use, improved the processingquality of part in the digit control machine tool.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a multistation fluted disc location knife rest structure of digit control machine tool which characterized in that: including base (1) and cutter stop device (3), base (1) upper portion is the annular array form and installs four cutters (2), and base (1) upper portion middle side is four cutter clamping mechanism (4) of annular array form fixedly connected with, the quantity of cutter stop device (3) is four altogether, and four stop device (3) are the annular array form and set up on base (1) upper portion right side.

2. The multi-station fluted disc positioning tool rest structure of the numerical control machine tool according to claim 1, wherein: base (1) still includes positioning tool rest (101), first fastening bolt (102), first screw thread through-hole (103) and first T type spout (104), positioning tool rest (101) are installed on base (1) upper portion, and personally submit annular array form on positioning tool rest (101) middle part and seted up four first T type spout (104), positioning tool rest (101) top is personally submitted annular array form and has seted up twelve altogether first screw thread through-hole (103), and every first screw thread through-hole (103) inside all has one through threaded connection first fastening bolt (102).

3. A multi-station fluted disc positioning tool rest structure of a numerical control machine according to claim 1 or 2, wherein: the cutter limiting device (3) further comprises a screw supporting block (301), a screw (302), a T-shaped limiting slide block (303), an adjusting hand wheel (304), a hexagonal fastening block (305), a second T-shaped sliding groove (306), a T-shaped clamping groove (307), a T-shaped clamping block (308) and a second threaded through hole (309), the screw supporting block (301) is fixedly connected to the right side of the front end face of the lower portion of the positioning tool rest (101), the rear side of the upper end face of the screw supporting block (301) is provided with the second T-shaped sliding groove (306) communicated with the first T-shaped sliding groove (104), the upper portion of the front end face of the screw supporting block (301) is provided with the T-shaped clamping groove (307), the T-shaped clamping groove (307) is connected with the screw (302) in a rotating manner, the front side face of the second T-shaped sliding groove (306) is provided with a through hole communicated with the interior of the T-shaped clamping groove (307, the T-shaped clamping block (308) is arranged on the front side of the outer peripheral surface of the screw (302), the T-shaped clamping block (308) is rotatably connected with the T-shaped clamping groove (307), the rear side of the outer peripheral surface of the screw (302) is connected with a T-shaped limiting sliding block (303) through threads, the T-shaped limiting sliding block (303) is slidably connected to the inner portions of the first T-shaped sliding groove (104) and the second T-shaped sliding groove (306), a second threaded through hole (309) is formed in the lower portion of the front end surface of the T-shaped limiting sliding block (303), and the inner portion of the second threaded through hole (309) is connected with the outer peripheral surface of the.

4. A multi-station fluted disc positioning tool rest structure of a numerical control machine according to claim 1 or 2, wherein: cutter clamping mechanism (4) still include backup pad (401), slider (402), second fastening bolt (403), rectangle spout (404) and third screw through hole (405), backup pad (401) fixed connection is on the terminal surface before location knife rest (101) lower part, and backup pad (401) preceding terminal surface upper portion has seted up the rectangle opening, one has all been seted up to both ends face about the rectangle opening that backup pad (401) preceding terminal surface upper portion was seted up rectangle spout (404), and two from top to bottom sliding connection has slider (402) between rectangle spout (404), third screw through hole (405) have been seted up to slider (402) preceding terminal surface, and inside through threaded connection has second fastening bolt (403) of third screw through hole (405).

5. A multi-station fluted disc positioning tool rest structure of a numerical control machine according to claim 3, wherein: the front end face of the screw rod (302) is fixedly connected with an adjusting hand wheel (304), and a hexagonal fastening block (305) is arranged on the front end face of the adjusting hand wheel (304).