阅读说明：本技术 一种数控机床上用于带锥孔工件的加工夹具 (Machining clamp for workpiece with taper hole on numerical control machine tool ) 是由 王林双 于 2019-10-24 设计创作，主要内容包括：本发明涉及机械加工技术领域,具体揭示了一种数控机床上用于带锥孔工件的加工夹具,包括底座和夹盘,底座内部的中央固定连接有电动伸缩杆,底座左右两侧顶部靠近中央的位置处均滑动连接有滑块,滑块靠近底座一侧的顶部固定连接有第一卡块,滑块靠近底座一侧的底部固定连接有第二卡块,滑块远离底座一侧的底部开设有第二卡槽,夹盘为圆环结构,夹盘的内壁固定连接有垫圈,夹盘的内部固定连接有多个固定爪,夹盘左右两侧的顶部均开设有第一卡槽,夹盘的表面固定连接有多个调节块,调节块内部的中央滑动连接有螺纹杆；本发明方便夹盘安装与拆卸,提高了夹盘与锥孔工件的契合度。(The invention relates to the technical field of machining, and particularly discloses a machining clamp for a workpiece with a taper hole on a numerical control machine tool, which comprises a base and a chuck plate, wherein an electric telescopic rod is fixedly connected to the center inside the base; the invention is convenient for the installation and the disassembly of the chuck, and improves the fit between the chuck and the taper hole workpiece.)

1. The utility model provides a be used for taking adds clamping apparatus of taper hole work piece on digit control machine tool, includes base (1) and (holding) chuck (2), its characterized in that: the center of the top of the left side and the right side of the base (1) is provided with a sliding groove (11), the top of the base (1) is fixedly connected with a partition plate (4), the center of the inner part of the base (1) is fixedly connected with an electric telescopic rod (5), the top of the electric telescopic rod (5) is fixedly connected with a material placing pipe (51), the positions of the bottoms of the left side and the right side of the base (1) close to the center are fixedly connected with clamping seats (7), one side of each clamping seat (7) far away from the base (1) is fixedly connected with a clamping lock (71) through a hinge, one side of each clamping lock (71) close to the base (1) is fixedly connected with a third clamping block (72), the positions of the tops of the left side and the right side of the base (1) close to the center are slidably connected with a sliding block (, the improved clamping fixture is characterized in that the sliding block (6) is close to a second clamping block (62) fixedly connected with the bottom of one side of the base (1), the sliding block (6) is far away from the bottom of one side of the base (1) and is provided with a second clamping groove (63), the chuck (2) is of a circular ring structure, a gasket (21) fixedly connected with the inner wall of the chuck (2) is provided, a plurality of fixing claws (22) fixedly connected with the inner part of the chuck (2), one side of the fixing claws (22) close to the circle center of the chuck (2) is provided with a rubber gasket (23), a positioning hole (24) is formed in the center of the bottom of the chuck (2), the tops of the left side and the right side of the chuck (2) are provided with a first clamping groove (25), the surface of the chuck (2) is fixedly connected with a plurality of.

2. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the fixed jaw (22) is three in total, the one side that fixed jaw (22) are close to the (2) centre of a circle of (holding) chuck is the arc, and is three fixed jaw (22) use (2) to be the annular equidistance distribution as the centre of a circle.

3. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the adjusting block (3) is three in total, the position of the adjusting block (3) corresponds to the position of the three fixing claws (22), and the threaded rod (31) sequentially penetrates through the adjusting block (3), the chuck (2) and the washer (21) and is fixedly connected with one end, away from the circle center of the chuck (2), of the fixing claw (22).

4. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the electric telescopic rod (5) sequentially penetrates through the top of the base (1) and the top of the partition plate (4), the positioning hole (24) penetrates through the bottom of the chuck plate (2), the shape and the size of the electric telescopic rod (5) are matched with those of the positioning hole (24), and the material placing pipe (51) is of a circular truncated cone-shaped structure.

5. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: the second clamping block (62) is connected in the sliding groove (11) in a sliding mode, the top of the first clamping groove (25) penetrates through the top of the chuck (2), and the shape and the size of the first clamping groove (25) are matched with those of the first clamping block (61).

6. The machining clamp for the workpiece with the taper hole on the numerical control machine tool according to claim 1, characterized in that: one side, far away from the base (1), of the sliding block (6) is fixedly connected with a protruding block, the inner wall of the second clamping groove (63) and the surface of the third clamping block (72) are fixedly connected with anti-slip pads, and the shape and the size of the second clamping groove (63) are matched with the shape and the size of the third clamping block (72).

Technical Field

The invention relates to the technical field of machining, in particular to a machining clamp for a workpiece with a taper hole on a numerical control machine tool.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool loaded with a program control system, wherein the control system logically processes a program with a control code or other instruction symbols, the program is input into a numerical control device through an information carrier, and the numerical control device controls the action of the machine tool so as to achieve the aim of automatically processing parts according to the requirements of drawings.

Because when the process of manufacturing the part, need to carry out centre gripping and fixed to the machined part, make the machined part be located the correct position and accept processing or detect, so anchor clamps are an indispensable component on the numerical control lathe, but traditional anchor clamps and numerical control lathe's connected mode divide into welding and rely on screwed connection two kinds, and this makes anchor clamps difficult to drop from the numerical control lathe, but makes the change of anchor clamps very loaded down with trivial details.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a machining clamp for a workpiece with a taper hole on a numerical control machine tool, which has the advantages of convenience in installation and disassembly and the like, and solves the problem that the clamp is difficult to disassemble and assemble after being connected with the numerical control machine tool.

The machining fixture for the workpiece with the taper hole on the numerical control machine tool comprises a base and a chuck plate, wherein sliding grooves are formed in the centers of the top parts of the left side and the right side of the base, a partition plate is fixedly connected to the top part of the base, an electric telescopic rod is fixedly connected to the center inside the base, a material placing pipe is fixedly connected to the top part of the electric telescopic rod, clamping seats are fixedly connected to the positions, close to the center, of the bottom parts of the left side and the right side of the base, clamping locks are fixedly connected to one side, far away from the base, of each clamping seat through hinges, a third clamping block is fixedly connected to one side, close to the base, of each clamping lock, sliding blocks are slidably connected to the positions, close to the center, of the top parts of the left side and the right side of the base, the top parts, close to one side, the chuck is the ring structure, the inner wall fixedly connected with packing ring of chuck, a plurality of stationary dogs of inside fixedly connected with of chuck, the stationary dog is close to one side fixedly connected with rubber pad in the chuck centre of a circle, the locating hole has been seted up at the center of chuck bottom, first draw-in groove has all been seted up at the top of the chuck left and right sides, the fixed surface of chuck is connected with a plurality of regulating blocks, the inside central sliding connection of regulating block has the threaded rod.

The machining clamp for the workpiece with the taper hole on the numerical control machine tool is provided with three fixed claws, one surface of each fixed claw, which is close to the circle center of the chuck, is arc-shaped, and the three fixed claws are distributed in an annular and equidistant mode by taking the chuck as the circle center.

The machining fixture for the workpiece with the taper hole on the numerical control machine tool is provided with three adjusting blocks, the positions of the three adjusting blocks correspond to the positions of the three fixing claws respectively, the threaded rod sequentially penetrates through the adjusting blocks, the chuck plate and the washer and is fixedly connected with one end, far away from the circle center of the chuck plate, of the fixing claw, and the fixing claw can change the position under the driving of the threaded rod due to the arrangement of the structure, so that the workpiece is fixed.

The machining fixture for the workpiece with the taper hole on the numerical control machine tool is characterized in that an electric telescopic rod penetrates through the top of a base and the top of a partition plate in sequence, the shape and the size of the electric telescopic rod are matched with those of a positioning hole, one end of the electric telescopic rod can be positioned in a chuck and can limit the position of the workpiece due to the arrangement of the structure, the material placing pipe is of a circular table-shaped structure, the arrangement of the structure increases the matching degree of the material placing table and the workpiece, and the working accuracy of the numerical control machine tool is guaranteed.

The machining clamp for the workpiece with the taper hole on the numerical control machine tool is provided with the second clamping block which is connected in the sliding groove in a sliding mode, the sliding track of the sliding block is limited due to the arrangement of the structure, the safety of the device is improved, the top of the first clamping groove penetrates through the top of the chuck plate, the shape and the size of the first clamping groove are matched with those of the first clamping block, and due to the arrangement of the structure, the first clamping block can be clamped into the first clamping groove and can be fixed on the chuck plate.

The machining clamp for the workpiece with the taper hole on the numerical control machine tool is provided with the structure, the convex block is fixedly connected to one side, away from the base, of the sliding block, operation of a worker on the sliding block is facilitated due to the arrangement of the structure, the anti-slip pads are fixedly connected to the inner wall of the second clamping groove and the surface of the third clamping block, the third clamping block cannot be separated from the second clamping groove when the machining clamp is vibrated due to the arrangement of the structure, safety of the machining clamp is improved, and the shape and the size of the second clamping groove are matched with those of the third clamping block.

Compared with the prior art, the invention has the following beneficial effects:

1. the workpiece can be fixed on the chuck plate by the aid of the fixing claws arranged and the threaded rods, so that the workpiece can be conveniently processed and detected by the numerical control machine tool, the chuck plate can be fixed with the base by the aid of the first clamping grooves arranged and the first clamping blocks matched, stability of the device is improved, the workpiece can be ejected out of the chuck plate by the aid of the telescopic rods arranged and the air cylinders matched, so that the workpiece can be conveniently taken by workers, and when the workpiece with the conical hole is placed on the chuck plate by the aid of the electric telescopic rods arranged and the material placing pipes matched, the conical hole of the workpiece is attached to the material placing pipes, perpendicularity of the workpiece is guaranteed, and working accuracy of the numerical control machine tool is improved.

2. The sliding track of the sliding block is limited by the matching of the arranged sliding groove and the second clamping block, the safety of the device is improved, the position of the sliding block can be fixed by the matching of the arranged second clamping groove and the third clamping block, the safety of the device is further improved, the normal work of the numerical control machine tool is ensured, and the clamping lock of the device can still fix the sliding block when the device is vibrated by the aid of the anti-slip pad arranged on the inner wall of the second clamping groove and the anti-slip pad arranged on the surface of the third clamping block.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic cross-sectional front view of the present invention;

FIG. 2 is a front cross-sectional structural view of the base of the present invention;

FIG. 3 is a schematic top view of a chuck according to the present invention;

FIG. 4 is a side view of the base of the present invention;

FIG. 5 is a front sectional structural view of the slider of the present invention.

In the figure: 1. a base; 11. a chute; 2. a chuck; 21. a gasket; 22. a fixed jaw; 23. a rubber pad; 24. positioning holes; 25. a first card slot; 3. an adjusting block; 31. a threaded rod; 4. a partition plate; 5. an electric telescopic rod; 51. placing a tube; 6. a slider; 61. a first clamping block; 62. a second fixture block; 63. a second card slot; 7. a card holder; 71. locking; 72. and a third clamping block.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-5, the machining fixture for a workpiece with a taper hole on a numerical control machine tool of the invention comprises a base 1 and a chuck 2, wherein the centers of the top parts of the left and right sides of the base 1 are respectively provided with a chute 11, the top part of the base 1 is fixedly connected with a partition plate 4, the center inside the base 1 is fixedly connected with an electric telescopic rod 5, the top part of the electric telescopic rod 5 is fixedly connected with a material placing pipe 51, the positions of the bottom parts of the left and right sides of the base 1 near the center are respectively fixedly connected with a clamping seat 7, one side of the clamping seat 7 far away from the base 1 is fixedly connected with a clamping lock 71 through a hinge, one side of the clamping lock 71 near the base 1 is fixedly connected with a third clamping block 72, the positions of the top parts of the left and right sides of the base 1 near the center are respectively and slidably connected with a sliding block 6, second draw-in groove 63 has been seted up to the bottom that base 1 one side was kept away from to slider 6, (holding) chuck 2 is the ring structure, the inner wall fixedly connected with packing ring 21 of (holding) chuck 2, a plurality of stationary dog 22 of inside fixedly connected with of (holding) chuck 2, stationary dog 22 is close to one side fixedly connected with rubber pad 23 in the centre of a circle of (holding) chuck 2, locating hole 24 has been seted up at the center of (holding) chuck 2 bottom, first draw-in groove 25 has all been seted up at the top of (holding) chuck 2 left and right sides, the fixed surface of (holding) chuck 2 is connected with.

The fixed jaw 22 is totally three, and the one side that the fixed jaw 22 is close to the (holding) chuck 2 centre of a circle is the arc, and three fixed jaw 22 uses (holding) chuck 2 to be the annular equidistance and distributes as the centre of a circle, and the setting of this structure for the work piece can be better agreed with to the fixed jaw 22, has improved the stability of work piece in (holding) chuck 2.

The regulating block 3 is totally three, and the position of three regulating block 3 is corresponding with three stationary dog 22's position respectively, and threaded rod 31 runs through regulating block 3, (holding) chuck 2 and packing ring 21 in proper order and keeps away from the one end fixed connection in the 2 centre of a circle of (holding) chuck with stationary dog 22, and the setting of this structure for stationary dog 22 can change the position under the drive of threaded rod 31, thereby plays the effect of fixed work piece.

Electric telescopic handle 5 runs through the top of base 1 and the top of baffle 4, locating hole 24 runs through the bottom of (holding) chuck 2, electric telescopic handle 5's shape size agrees with the shape size of locating hole 24 mutually, the setting of this structure, make electric telescopic handle 5's one end can be located (holding) chuck 2, and reach the effect of injecing the work piece position, it is round platform shape structure to put thing pipe 51, the setting of this structure, the degree of agreeing with of putting thing pipe 51 and work piece has been increased, the accuracy of digit control machine tool work has been guaranteed.

The second clamping block 62 is slidably connected in the sliding groove 11, the sliding track of the sliding block 6 is limited by the structure, the safety of the device is improved, the top of the first clamping groove 25 penetrates through the top of the chuck plate 2, the shape and the size of the first clamping groove 25 are matched with the shape and the size of the first clamping block 61, and the first clamping block 61 can be clamped into the first clamping groove 25 and can be fixed to the chuck plate 2 through the structure.

One side fixedly connected with lug of base 1 is kept away from to slider 6, and the setting of this structure has made things convenient for the staff to the operation of slider 6, the equal fixedly connected with slipmat in surface of the inner wall of second draw-in groove 63 and third fixture block 72, the setting of this structure for the device is when receiving vibrations, and third fixture block 72 can not deviate from second draw-in groove 63, has promoted the security of device, and the shape size of second draw-in groove 63 agrees with mutually with the shape size of third fixture block 72.

When the invention is used, a worker firstly opens the latch 71, holds the convex block on the slide block 6, slides the slide block 6 upwards, then places the chuck plate 2 on the partition plate 4, at the moment, the electric telescopic rod 5 passes through the positioning hole 24, then slides the slide block 6 downwards, so that the second clamping block 62 is clamped into the first clamping groove 25, closes the latch 71, clamps the third clamping block 72 into the second clamping groove 63, then places a workpiece into the chuck plate 2, the position of the conical hole on the workpiece corresponds to that of the object placing pipe 51, then screws the threaded rod 31, so that the workpiece is fixed by the fixed claw 22, when the workpiece needs to be taken down, firstly loosens the threaded rod 31, then starts the electric telescopic rod 5, at the moment, the workpiece is ejected out of the chuck plate 2 by the electric telescopic rod 5, the worker only needs to take the workpiece down from the electric telescopic rod 5, when the chuck plate 2 needs to be taken down, only needs to, and slides the slider 6 upward and then removes the chuck 2 from the pad.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.