CN216859018U - A four-axis tool for CNC processing - Google Patents

Abstract

The utility model discloses a four-axis jig for CNC (computer numerical control) machining, which relates to the technical field of CNC machining and comprises a bottom plate, wherein a counter bore is formed in the bottom plate, a top plate is arranged above the bottom plate, two side plates are fixedly connected to the upper surface of the bottom plate, one surfaces, far away from the bottom plate, of the two side plates are fixedly connected with the bottom surface of the top plate, and a telescopic cylinder is fixedly connected to the upper surface of the bottom plate. The positioning device is reasonable in design structure, workpieces with different sizes can be positioned by arranging the first positioning mechanism, the length direction of the workpieces can be positioned by arranging the second positioning mechanism, so that the positioning efficiency and the positioning precision of the workpieces are effectively improved, the outer surfaces of the workpieces cannot be damaged when the workpieces are positioned by arranging the first rubber pad and the second rubber pad, and the second pressing plate cannot be interfered in the downward moving process by arranging the rectangular groove.

Description

A four-axis fixture for CNC machining

technical field

The utility model relates to the technical field of CNC machining, in particular to a four-axis jig for CNC machining.

Background technique

Jig is a large category of tools for woodworking, iron work, fitter, machinery, electric control and some other handicrafts. It is mainly used as a tool to assist in controlling position or action. Jig can be divided into process assembly jig, project There are three types of test fixtures and circuit board test fixtures.

After searching, the patent number is CN207616185U for a new type of four-axis jig for CNC workpieces. This new type of four-axis jig for CNC workpieces has the advantages of simple structure. When applied, it can quickly realize precise positioning of workpieces, with high positioning accuracy and high precision. High positioning efficiency.

The above-mentioned prior art solutions have the following defects: the workpieces of different sizes cannot be positioned, and the length direction of the workpiece cannot be positioned. To this end, we provide a four-axis fixture for CNC machining to solve the above problems.

Utility model content

a) technical problems solved

The purpose of the utility model is to provide a four-axis jig for CNC machining in order to make up for the deficiencies of the prior art.

2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solutions: a four-axis jig for CNC machining, comprising a bottom plate, a countersunk hole is opened inside the bottom plate, a top plate is arranged above the bottom plate, and the bottom plate is provided with a top plate. The upper surface of the bottom plate is fixedly connected with two side plates, the side of the two side plates away from the bottom plate is fixedly connected to the bottom surface of the top plate, the upper surface of the bottom plate is fixedly connected with a telescopic cylinder, and the output end of the telescopic cylinder passes through The top plate extends to the outer surface of the top plate, the output end of the telescopic cylinder is fixedly connected with a first pressing plate, two first positioning mechanisms are arranged between the telescopic cylinder and the first pressing plate, and the lower part of the first pressing plate is arranged There are two second positioning mechanisms.

Further, the first positioning mechanism includes two support plates, the bottom surfaces of the two support plates are fixedly connected with the upper surface of the top plate, and the opposite sides of the two support plates are fixedly connected with a set of springs, and the springs are connected to each other. A clamping plate is fixedly connected to one end away from the support plate.

Further, a set of first guide rods are fixedly connected to the surfaces of the two clamping plates away from each other, and one end of the first guide rods away from the clamping plate penetrates the support plate and extends to the outer surface of the support plate.

Further, first rubber pads are fixedly connected to opposite sides of the two clamping plates, and rectangular grooves are opened in the interiors of the two clamping plates.

Further, the first positioning mechanism further includes a pressure rod, the upper surface of the pressure rod is fixedly connected with the bottom surface of the first pressure plate, and the end of the pressure rod away from the first pressure plate is fixedly connected with a second pressure plate, the first pressure plate is fixedly connected. A second rubber pad is fixedly connected to the side of the second pressing plate away from the pressing rod, and the second pressing plate is located just above the two rectangular grooves.

Further, the second positioning mechanism includes a right angle plate and a baffle plate, the outer surface of the right angle plate is fixedly connected with the outer surface of the top plate, and the bottom surface of the baffle plate is in contact with the outer surface of the right angle plate.

Further, a screw is threadedly connected to the interior of the right-angle plate, one end of the screw is rotatably connected to the interior of the baffle, and two second guide rods are fixedly connected to the outer surface of the baffle.

Further, one end of the two second guide rods away from the baffle plate penetrates through the right-angle plate and extends to the outer surface of the right-angle plate, and a measuring ruler is fixedly connected to the outer surface of the right-angle plate.

3) Beneficial effects:

Compared with the prior art, the four-axis fixture for CNC machining has the following beneficial effects:

1. The utility model can locate the workpieces of different sizes by setting the first positioning mechanism, and can locate the length direction of the workpiece by setting the second positioning mechanism, thereby effectively improving the positioning efficiency and positioning of the workpiece. precision.

2. By setting the first rubber pad and the second rubber pad, the utility model will not cause damage to the outer surface of the workpiece when positioning the workpiece. By setting the first guide rod and the second guide rod, the clamp can be When the holding plate and the baffle plate move horizontally, they will not deviate from the direction. By setting the measuring ruler, the length direction of the workpiece can be accurately positioned, and by setting the rectangular groove, the second pressing plate will not be interfered during the downward movement.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is the three-dimensional structure schematic diagram of the hidden top plate of the present invention;

FIG. 3 is a top view of the hidden top plate of the utility model;

Figure 4 is a side view of the utility model.

In the figure: 1. bottom plate; 2. top plate; 3. side plate; 4. telescopic cylinder; 5. first pressing plate; 6. first positioning mechanism; 601, supporting plate; 602, spring; 603, clamping plate; 604 , the first guide rod; 605, the rectangular groove; 606, the pressure rod; 607, the second pressure plate; 7, the second positioning mechanism; 701, the right angle plate; 702, the baffle plate; 703, the screw; 704, the second guide rod; 705. Measuring ruler.

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.

As shown in Figures 1-4, the present utility model provides a technical solution: a four-axis jig for CNC machining, comprising a base plate 1, a countersunk hole is opened inside the base plate 1, and a top plate is arranged above the base plate 1 2. The upper surface of the bottom plate 1 is fixedly connected with two side plates 3, the side of the two side plates 3 away from the bottom plate 1 is fixedly connected with the bottom surface of the top plate 2, and the upper surface of the bottom plate 1 is fixedly connected with a telescopic cylinder 4, and the telescopic cylinder 4 The output end of the telescopic cylinder 4 penetrates through the top plate 2 and extends to the outer surface of the top plate 2 , and the output end of the telescopic cylinder 4 is fixedly connected with the first pressing plate 5 .

By arranging countersunk holes, the bottom plate 1 can be easily installed on the CNC machine tool, and the inside of the top plate 2 is provided with a through hole adapted to the output end of the telescopic cylinder 4. The telescopic cylinder 4 drives the first platen 5 to move up and down.

Two first positioning mechanisms 6 are arranged between the telescopic cylinder 4 and the first pressing plate 5. The first positioning mechanism 6 includes two supporting plates 601. The bottom surfaces of the two supporting plates 601 are fixedly connected to the upper surface of the top plate 2. A set of springs 602 are fixedly connected to the opposite sides of each support plate 601 , and a clamping plate 603 is fixedly connected to one end of the spring 602 away from the support plate 601 . The number of each set of springs 602 is two. When the workpiece is clamped and fixed, the spring 602 is in a compressed state.

A set of first guide rods 604 are fixedly connected to one side of the two clamping plates 603 away from each other, and one end of the first guiding rods 604 away from the clamping plate 603 penetrates the support plate 601 and extends to the outer surface of the support plate 601 . The inside of 601 is provided with a first guide hole which is matched with the clamping plate 603. By setting the first guide rod 604, the clamping plate 603 can be moved horizontally so as not to deviate from the direction.

The opposite sides of the two clamping plates 603 are fixedly connected with the first rubber pads, and the interiors of the two clamping plates 603 are both provided with rectangular grooves 605. By setting the rectangular grooves 605, the second pressing plate 607 can be moved downward during will not be interfered with.

The first positioning mechanism 6 further includes a pressing rod 606, the upper surface of the pressing rod 606 is fixedly connected with the bottom surface of the first pressing plate 5, and the end of the pressing rod 606 away from the first pressing plate 5 is fixedly connected with a second pressing plate 607, and the second pressing plate 607 is far away from the first pressing plate 5. One side of the pressing rod 606 is fixedly connected with a second rubber pad, and the second pressing plate 607 is located directly above the two rectangular grooves 605. By setting the first rubber pad and the second rubber pad, the workpiece will not be processed during positioning. damage to the outer surface of the part.

Two second positioning mechanisms 7 are arranged below the first pressing plate 5. The second positioning mechanism 7 includes a right-angle plate 701 and a baffle plate 702. The outer surface of the right-angle plate 701 is fixedly connected to the outer surface of the top plate 2. The bottom surface of the baffle plate 702 In contact with the outer surface of the right-angled plate 701, when positioning the workpiece in the longitudinal direction, the position of the top plate 2 can be adjusted according to the length of the workpiece to be processed.

The right-angle plate 701 is threadedly connected with a screw 703. One end of the screw 703 is rotatably connected to the interior of the baffle plate 702. The outer surface of the baffle plate 702 is fixedly connected with two second guide rods 704. Rotating the screw 703 can drive the baffle plate 702 to level. move.

The ends of the two second guide rods 704 away from the baffle plate 702 penetrate through the right-angle plate 701 and extend to the outer surface of the right-angle plate 701. The outer surface of the right-angle plate 701 is fixedly connected with a measuring ruler 705. The length direction of the workpiece can be precisely positioned by setting the measuring ruler 705 in the second guide hole in which the two guide rods 704 are matched.

Working principle: When the utility model is in use, firstly, screw the screw 703 according to the length of the workpiece to be processed. The screw 703 can drive the baffle plate 702 to move horizontally. When in position, pull the two clamping plates 603 away from the two supporting plates 601 to the maximum distance, and then place the workpiece between the two clamping plates 603 and make the end of the workpiece that does not need to be processed abut on the workpiece. On the baffle plate 702, loosen the two clamping plates 603, under the action of the two springs 602, the two clamping plates 603 will clamp and fix the workpiece, and finally start the telescopic cylinder 4, the telescopic cylinder 4 and the drive The first pressing plate 5, the pressing rod 606 and the second pressing plate 607 move downward. When the second pressing plate 607 moves downward until the outer surface of the second pressing plate 607 contacts the outer surface of the workpiece, the workpiece can be further fixed. The positioning of the workpiece is completed.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations Or the positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation, be constructed and Therefore, it should not be construed as a limitation to the present invention; the terms "first", "second" and "third" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance, in addition, unless otherwise clear The terms "fixed", "installed", "connected" and "connected" should be understood in a broad sense, for example, "installation" can be a fixed connection, a detachable connection, or an integral connection; " "Connected" can be a mechanical connection or an electrical connection; "connected" can be a direct connection, an indirect connection through an intermediate medium, or an internal connection between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood in specific situations.

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

Claims (8)

1. A four-axis jig for CNC machining, comprising a bottom plate (1), characterized in that: a countersunk hole is provided inside the bottom plate (1), and a top plate ( 2), the upper surface of the bottom plate (1) is fixedly connected with two side plates (3), and the side of the two side plates (3) away from the bottom plate (1) is fixedly connected with the bottom surface of the top plate (2), A telescopic cylinder (4) is fixedly connected to the upper surface of the bottom plate (1), and the output end of the telescopic cylinder (4) penetrates through the top plate (2) and extends to the outer surface of the top plate (2). A first pressure plate (5) is fixedly connected to the output end of the ), two first positioning mechanisms (6) are arranged between the telescopic cylinder (4) and the first pressure plate (5), and the first pressure plate (5) Two second positioning mechanisms (7) are arranged below the . 2. A four-axis jig for CNC machining according to claim 1, characterized in that: the first positioning mechanism (6) comprises two support plates (601), two support plates ( The bottom surface of 601) is fixedly connected with the upper surface of the top plate (2), and the opposite sides of the two support plates (601) are fixedly connected with a set of springs (602), and the springs (602) are far away from the support plate (601). One end is fixedly connected with a clamping plate (603). 3. A four-axis jig for CNC machining according to claim 2, characterized in that: a set of first guide rods (604) are fixedly connected to one side of the two clamping plates (603) away from each other ), and one end of the first guide rod (604) away from the clamping plate (603) penetrates the supporting plate (601) and extends to the outer surface of the supporting plate (601). 4. A four-axis jig for CNC machining according to claim 3, characterized in that: the opposite sides of the two clamping plates (603) are fixedly connected with a first rubber pad, and the two clamping plates (603) are fixedly connected with a first rubber pad. Rectangular grooves (605) are provided inside the holding plates (603). 5. A four-axis jig for CNC machining according to claim 4, characterized in that: the first positioning mechanism (6) further comprises a pressing rod (606), and the The upper surface is fixedly connected with the bottom surface of the first pressing plate (5), the end of the pressing rod (606) away from the first pressing plate (5) is fixedly connected with a second pressing plate (607), and the second pressing plate (607) is far away from the pressing plate (5). A second rubber pad is fixedly connected to one side of the rod (606), and the second pressing plate (607) is located just above the two rectangular grooves (605). 6. A four-axis jig for CNC machining according to claim 1, characterized in that: the second positioning mechanism (7) comprises a right-angle plate (701) and a baffle plate (702), the right-angle The outer surface of the plate (701) is fixedly connected with the outer surface of the top plate (2), and the bottom surface of the baffle plate (702) is in contact with the outer surface of the right-angle plate (701). 7. A four-axis jig for CNC machining according to claim 6, characterized in that: a screw (703) is threadedly connected to the inner thread of the right-angle plate (701), and one end of the screw (703) is It is rotatably connected to the inside of the baffle plate (702), and the outer surface of the baffle plate (702) is fixedly connected with two second guide rods (704). 8 . The four-axis jig for CNC machining according to claim 7 , wherein one end of the two second guide rods ( 704 ) away from the baffle plate ( 702 ) penetrates the right-angle plate ( 701 ). ) and extend to the outer surface of the right-angle plate (701), and a measuring ruler (705) is fixedly connected to the outer surface of the right-angle plate (701).

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