CN217551195U - Numerical control machine tool positioning fixture capable of improving adaptability - Google Patents

Abstract

The utility model relates to the field of CNC machine tool fixtures, and discloses a CNC machine tool positioning fixture capable of improving adaptability, comprising a clamping body, a pressing plate is arranged on the upper part of the front end of the clamping body, a clamping groove is arranged inside the pressing plate, and the clamping groove is A V-shaped block is arranged inside, a T-shaped groove is arranged in the upper middle of the V-shaped block, a disc is arranged on the inner side of the T-shaped slot, and the disc is fixedly connected to the lower end of the hexagonal stud, and the middle of the hexagonal stud is Two countersunk holes are provided, which are arranged in the middle of the upper side of the pressing plate, and shoulders are arranged on the left and right sides of the lower part of the pressing plate, and the shoulders are arranged on the left and right sides of the upper part of the clamping body. In the utility model, the problem of clamping the bearing seat type parts during processing is solved, and it is connected to the general fixture, which simplifies the tedious steps for workers to replace the fixture. The bottom plate adopts a slot-type design, which can be applied to some general modules , thus greatly improving the applicability of CNC machine tools.

Description

A CNC machine tool positioning fixture that can improve adaptability

technical field

The utility model relates to the field of CNC machine tool fixtures, in particular to a CNC machine tool positioning fixture that can improve adaptability.

Background technique

Fixtures are the most basic components of CNC machine tools. According to different positioning methods of workpieces, CNC machine tool fixtures are divided into: centering type (spindle type), chuck type, chuck type, angle iron type and faceplate type, etc. A variety of fixtures are often used in the process. The fixtures can be divided into general fixtures and special fixtures. During the processing process, the fixtures often need to be positioned. The existing CNC machine tool fixtures often need to design special-purpose fixtures when processing bearing housing parts. Fixtures.

In the process of using CNC machine tool positioning fixtures, the current traditional CNC machine tool positioning fixtures often have two shortcomings in use. One is that the existing CNC machine tool positioning fixtures are often inconvenient to install and disassemble during use. When the CNC machine tool positioning fixture is used, the general-purpose fixture cannot process the bearing seat type parts.

Utility model content

The purpose of this utility model is to solve the shortcomings of the prior art, and proposes a CNC machine tool positioning fixture that can improve adaptability. The V-shaped block can only be moved up and down by restricting the front, back, left and right movements of the V-shaped block by the pressure plate. Center the parts to achieve the effect of positioning the parts.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a CNC machine tool positioning fixture that can improve adaptability, comprising a clamping body, a pressing plate is arranged at the front end of the upper part of the clamping body, and a clamping groove is arranged inside the pressing plate, so A V-shaped block is arranged inside the card slot, a T-shaped slot is arranged in the middle of the upper side of the V-shaped block, a disc is arranged inside the T-shaped slot, and the disc is fixedly connected to the lower end of the hexagonal stud, and the hexagonal The middle part of the stud is provided with a second countersunk head hole, and the second countersunk head hole is arranged in the middle part of the upper side of the pressure plate. The left and right sides of the lower part of the pressure plate are provided with convex shoulders, and the convex shoulders are arranged on the left and right sides of the upper part of the clamping body. The lower part of the clip body is provided with a bottom plate, and the left and right sides of the upper end of the bottom plate are provided with a first clip and a second clip;

Through the above technical solution, the V-shaped block is pressed by the pressing plate on the upper half of the clamping body to limit the front, back, left and right movement of the V-shaped block, and the disc fixed on the lower end of the hexagonal stud is rotated by rotating the hexagonal stud, and the disc is clamped on the V-shaped stud. In the T-shaped groove of the block, driven by the hexagonal bolt, the disc pushes the V-shaped block to move down to achieve the purpose of centering the parts. The first and second strips can be adjusted by screws to achieve the purpose of leveling, so as to achieve the effect of positioning.

Further, the middle of the rear end of the clamp body is provided with a connecting head;

Through the above technical solution, the clip body is connected to the three-jaw chuck through the connecting head, so as to realize the purpose of quick disassembly and assembly.

Further, bolts are threadedly connected to the upper rear end of the clamp body, and the bolts are threadedly connected to the upper rear end of the pressing plate;

Through the above technical solution, the clamp body and the pressing plate are connected by bolts, so as to achieve the purpose of being replaceable and dismantling, thereby improving the adaptability of the clamp.

Further, symmetrically distributed bolts are arranged in the middle of the shoulder, the bolts are threadedly connected to the left and right sides of the middle upper part of the clamping body, and nuts are threadedly connected to the bottom of the bolts;

Through the above technical solutions, the accessories are fixed on the clamping body by means of bolts and nuts, so as to achieve the purpose of being replaceable and general.

Further, the left and right sides of the bottom plate are provided with a countersunk head hole 1, and a bolt is provided inside the countersunk head hole 1;

Through the above technical solution, by connecting the bottom plate with bolts, the position of the bottom plate and the clamping body can be adjusted to achieve the purpose of positioning.

Further, the lower part of the clamp body is provided with evenly distributed counterweight holes;

Through the above technical solution, through the counterweight holes provided on the clamp body, counterweight blocks of different weights can be added, so as to achieve the purpose of adjusting the dynamic balance of the clamp.

Further, the upper end of the bottom plate is provided with evenly distributed notches, and the inside of the notches is provided with a first clip and a second clip;

Through the above technical solution, the positions of the first clip and the second clip on the slot are changed through the slot on the bottom plate, so as to achieve the purpose of processing parts of different sizes.

Further, screw holes are provided on both the front and rear sides of the first clip and the second clip, and screws are threadedly connected inside the screw holes;

Through the above technical solution, the adjusted clip 1 and clip 2 are screwed into the slot through the screw hole, so as to achieve the purpose of tightening and fixing.

The utility model has the following beneficial effects:

1. In this utility model, the clamp is fixed by connecting the three-jaw chuck of the lathe through the connecting head. First, the base of the bearing seat is placed on the bottom plate, and the size of the workpiece to be processed is determined by adjusting the clip. After determining the size of the bottom plate, Fix with set screws to prevent loosening during processing, and then screw the stud to drive the V-block to move downward, so that the workpiece to be processed is centered and clamped. The stud and the pressure plate are connected by thread, and the end of the stud is welded. There is a disc, the disc is clamped in the V-shaped block with a slot, and the V-shaped block is driven to move. Sliding at will, so as to achieve the purpose of easy disassembly, reduce the cumbersome disassembly process, and greatly improve the efficiency of people's processing.

2. In the utility model, the problem of clamping the bearing seat type parts during processing is solved, and it is connected to the general fixture, which simplifies the tedious steps when workers replace the fixture, greatly improves the processing efficiency, and the manual tightening of the bolt reduces the clamping force. In terms of production cost, the bottom plate adopts a slot-type design, which makes the fixture modularized and can be applied to some general modules, thus greatly improving the applicability of CNC machine tools.

Description of drawings

1 is a front perspective view of a CNC machine tool positioning fixture that can improve adaptability proposed by the utility model;

2 is a cross-sectional view of a CNC machine tool positioning fixture that can improve adaptability proposed by the utility model;

3 is a left side view of a CNC machine tool positioning fixture that can improve adaptability proposed by the utility model;

4 is a top view of a CNC machine tool positioning fixture that can improve adaptability proposed by the utility model;

5 is a partial cross-sectional view of a CNC machine tool positioning fixture that can improve adaptability proposed by the present invention.

illustration:

1. Pressure plate; 2. V-shaped block; 3. Clamp body; 4. Bolt; 5. Countersunk hole 1; 6. Screw; 7. Clip 1; 8. Bottom plate; ;11, disc; 12, nut; 13, notch; 14, T-slot; 15, countersunk head hole 2; 16, screw hole; 17, counterweight hole; 18, connector; 19, clip 2; 20, shoulders.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-5, an embodiment provided by the present utility model: a CNC machine tool positioning fixture that can improve adaptability, including a clamping body 3, the upper front end of the clamping body 3 is provided with a pressure plate 1, and a clamping groove is arranged inside the pressure plate 1 10. A V-shaped block 2 is provided inside the card slot 10, a T-shaped groove 14 is provided in the middle of the upper side of the V-shaped block 2, a disc 11 is provided inside the T-shaped groove 14, and the disc 11 is fixedly connected to the lower end of the hexagonal stud 9, The middle part of the hexagonal stud 9 is provided with a second countersunk head hole 15, and the second countersunk head hole 15 is arranged in the middle part of the upper side of the pressing plate 1, and the left and right sides of the lower part of the pressing plate 1 are provided with convex shoulders 20, and the convex shoulders 20 are arranged on the left and right of the upper part of the clamping body 3. On both sides, the lower part of the clamp body 3 is provided with a bottom plate 8, and the left and right sides of the upper end of the bottom plate 8 are provided with a clip one 7 and two clip strips 19, and the V-shaped block 2 is pressed by the pressing plate 1 on the upper half of the clip body 3 to limit the V-shaped The block 2 moves back and forth, left and right, and the disk 11 fixed on the lower end of the hexagonal stud 9 rotates by rotating the hexagonal stud 9. Under the driving of the clamp, push the V-shaped block 2 to move down to achieve the purpose of centering the parts. The bottom half of the clamping body 3 is fixed with the bottom plate 8, and the notch 13 on the upper end of the bottom plate 8 is engaged with a clip-7 and a clip. Two 19, adjust the height through the screw 6 to achieve the purpose of leveling, so as to achieve the effect of positioning.

The middle of the rear end of the clamp body 3 is provided with a connecting head 18, and the clamping body 3 is connected to the three-jaw chuck through the connecting head 18 to achieve the purpose of quick disassembly and assembly. The upper rear end of the clamp body 3 is threadedly connected with a bolt 4, and the bolt 4 is threadedly connected At the upper rear end of the pressing plate 1, the clamping body 3 and the pressing plate 1 are connected by bolts 4 to achieve the purpose of being replaceable and dismantling, thereby improving the adaptability of the clamp. The middle of the shoulder 20 is provided with symmetrically distributed bolts 4, and the bolts 4 are threadedly connected to the clamp. Specifically, on the left and right sides of the upper middle part of 3, the bottom of the bolt 4 is threadedly connected with a nut 12, and the accessories are fixed on the clamping body 3 through the connection of the bolt 4 and the nut 12, so as to achieve the purpose of being replaceable and general. The head hole one 5, the countersunk head hole one 5 is provided with a bolt 4, and the bottom plate 8 is connected by the bolt 4, and the position of the bottom plate 8 and the clamping body 3 can be adjusted to achieve the purpose of positioning, and the lower part of the clamping body 3 is provided with evenly distributed counterweights The hole 17, through the counterweight hole 17 provided on the clamp body 3, can add counterweight blocks of different weights to achieve the purpose of adjusting the dynamic balance of the clamp. The upper end of the bottom plate 8 is provided with evenly distributed notches 13, and the interior of the notches 13 is provided with Clip one 7 and clip two 19, through the slot 13 on the bottom plate 8, change the position of clip one 7 and clip two 19 on the slot 13 to achieve the purpose of processing parts of different sizes, clip one 7 and the clip two 19 are provided with screw holes 16 on both sides, and the screw hole 16 is internally threaded with a screw 6, and the adjusted clip one 7 and clip two 19 are screwed through the screw hole 16. The screw 6 is tightened in the slot 13 inside, to achieve the purpose of tightening and fixing.

Working principle: It is connected to the three-jaw chuck of the CNC machine tool through the connecting head 18, and the workpiece to be processed is positioned through the bottom plate 8 threadedly connected at the bottom of the clamping body 3. The bottom plate 8 is provided with a notch 13. The position of the clip 2 19 on the slot 13 is to locate the parts of different sizes, and tighten the clip 1 7 and the screw 6 in the screw hole 16 of the clip 2 19 to fix it. Press the V-shaped block 2 to limit the front, rear, left and right movement of the V-shaped block 2, and turn the hexagonal stud 9 fixed on the lower end of the hexagonal stud 9. In the middle, driven by the hexagonal stud 9, the disc 11 pushes the V-shaped block 2 to move down to achieve the purpose of centering the parts. 3. The overall dynamic balance adjustment is carried out, so as to achieve the purpose of positioning and clamping the parts after processing.

Finally, it should be noted that the above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. , it can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model, All should be included within the protection scope of the present invention.

Claims (8)

1. The utility model provides a can improve digit control machine tool positioning fixture of adaptability, includes the anchor clamps body (3), its characterized in that: the utility model discloses a clamp for the automobile seat, including clamp body (3), clamp plate (3) front end upper portion is provided with clamp plate (1), clamp plate (1) inside is provided with draw-in groove (10), draw-in groove (10) inside is provided with V type piece (2), V type piece (2) upside middle part is provided with T-slot (14), T-slot (14) inboard is provided with disc (11), disc (11) fixed connection is at hexagonal stud (9) lower extreme, hexagonal stud (9) middle part is provided with counter bore two (15), counter bore two (15) set up in clamp plate (1) upside middle part, clamp plate (1) lower part left and right sides all is provided with convex shoulder (20), convex shoulder (20) all set up in clamp body (3) upper portion left and right sides, clamp body (3) lower part is provided with bottom plate (8), bottom plate (8) upper end left and right sides is provided with card strip (7) and card strip two (19).

2. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, is characterized in that: the middle part of the rear end of the clamp body (3) is provided with a connector (18).

3. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, is characterized in that: the upper portion of the rear end of the clamp body (3) is in threaded connection with a bolt (4), and the bolt (4) is in threaded connection with the upper portion of the rear end of the pressing plate (1).

4. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, characterized in that: the middle of the convex shoulder (20) is provided with symmetrically distributed bolts (4), the bolts (4) are in threaded connection with the left side and the right side of the middle upper part of the clamp body (3), and nuts (12) are in threaded connection with the bottom of the bolts (4).

5. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, characterized in that: the left side and the right side of the bottom plate (8) are provided with a first counter bore (5), and a bolt (4) is arranged inside the first counter bore (5).

6. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, characterized in that: the lower part of the clamp body (3) is provided with evenly distributed counterweight holes (17).

7. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, is characterized in that: the improved structure is characterized in that notches (13) which are uniformly distributed are formed in the upper end of the bottom plate (8), and a first clamping strip (7) and a second clamping strip (19) are arranged inside the notches (13).

8. The numerically-controlled machine tool positioning fixture capable of improving adaptability according to claim 1, characterized in that: screw holes (16) are formed in the front side and the rear side of the first clamping strip (7) and the second clamping strip (19), and screws (6) are connected to the inner threads of the screw holes (16).

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