CN211916178U

CN211916178U - Special tool of long and thin work piece of CNC processing

Info

Publication number: CN211916178U
Application number: CN202020438048.1U
Authority: CN
Inventors: 龚华荣
Original assignee: Kunshan Zehua Precision Mould Co ltd
Current assignee: Kunshan Zehua Precision Mould Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-11-13
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a special tool of CNC processing elongated workpiece, including base, a plurality of first briquetting and at least two second briquetting, concave two accepting grooves that extend along Y axle direction side by side on base one side, the both ends of two accepting grooves run through the coexistence side of base length direction respectively, two accepting grooves divide base one side into the first, two and three district's portion of arranging along the X axle direction, respectively be equipped with a plurality of direction spouts along Y axle direction interval arrangement on first district's portion and the third district's portion, each direction spout still switches on with its adjacent accepting groove; the first pressing blocks are respectively installed in the guide sliding chutes in a sliding manner, so that the elongated workpiece to be machined is pressed against the second area part; the at least two second pressing blocks can be fixedly arranged on one surface of the second area part; the two vertical sides of the base in the length direction are respectively hinged with a stop block. The special jig can quickly and stably position the slender workpiece, improves the processing quality of the workpiece and reduces the production cost.

Description

Special tool of long and thin work piece of CNC processing

Technical Field

The utility model relates to a positioning jig technical field specifically provides a special tool of long and thin work piece of CNC processing.

Background

The lifter, also called a taper pin, is a commonly used part in die machining (the specific structure can be seen in fig. 1). The pitched roof belongs to a product with a slender shape, so that the rigidity is weak and the shock resistance is poor; therefore, the requirement for the degree of fixation is high when the lifter is machined. Once the fixing degree is not good, the phenomena of play, shaking, dislocation and the like can occur in the machining process of the pitched roof, so that the machining of the pitched roof is poor, and the cost is wasted.

In view of this, the present invention is especially provided.

Disclosure of Invention

In order to overcome the defects, the utility model provides a special tool of long and thin work piece of CNC processing, its simple structure, reasonable, convenient operation can light, swift, firm realization fix a position long and thin work piece, has both improved the processingquality of work piece, has reduced manufacturing cost again.

The utility model discloses a solve the technical scheme that its technical problem adopted and be: a special jig for CNC machining of long and thin workpieces comprises a base, a plurality of first pressing blocks and at least two second pressing blocks, wherein the width direction of the base is taken as the X-axis direction, and the length direction of the base is taken as the Y-axis direction; two containing grooves which respectively extend along the Y-axis direction are concavely arranged on one surface of the base side by side, two ends of the two containing grooves in the length direction respectively penetrate through two vertical sides of the base in the length direction, the two containing grooves also divide one surface of the base into three sections, namely a first section, a second section and a third section which are sequentially arranged along the X-axis direction, wherein a plurality of guide sliding grooves which are arranged at intervals along the Y-axis direction are respectively arranged on the first section and the third section, and each guide sliding groove is respectively communicated with one adjacent containing groove; the first pressing blocks are respectively and correspondingly arranged in the guide sliding chutes in a sliding manner, and the first pressing blocks can move towards the second section so as to press the elongated workpiece to be machined in the accommodating groove against the second section; at least two second pressing blocks can be respectively fixedly installed on one surface of the second section in a position-adjustable mode relative to one surface of the second section, so that downward pressure can be applied to the elongated workpiece to be machined, which is placed in the accommodating groove;

in addition, the two vertical sides of the base in the length direction are respectively and hingedly provided with a stop dog for stopping and limiting the head end and the tail end of the slender workpiece to be processed.

As a further improvement of the present invention, each of the first pressing blocks has an upper section portion in a T-shaped block shape and a lower section portion integrally connected to a bottom surface of the upper section portion and having a dovetail shape;

the shape of the guide sliding chutes is matched with that of the first pressing block, namely, each guide sliding chute is provided with a U-shaped upper groove part in sliding fit connection with the upper section part and a dovetail-shaped lower groove part in sliding fit connection with the lower section part.

As a further improvement of the present invention, each of the first pressing blocks faces the side surface of the second section, and a plurality of small holes are respectively formed in the side surface of the second section.

As a further improvement of the present invention, the guide grooves are located in the first section and in the third section, and the guide grooves are symmetrically distributed.

As a further improvement of the present invention, the vertical surfaces of the second section facing the two accommodating grooves are vertical planes;

in addition, a plurality of screw holes for locking and installing the second pressing block are further formed in one surface of the second area portion.

The utility model has the advantages that: on one hand, the special jig of the utility model has simple and reasonable structure and convenient operation, can easily, quickly and stably position the slender workpiece, not only improves the processing quality of the workpiece, but also reduces the production cost; on the other hand, the special jig can be used for positioning slender workpieces with different sizes, is high in applicability and can be well applied to machining production.

Drawings

FIG. 1 is a schematic view of the structure of an elongated workpiece (pitched roof);

fig. 2 is a schematic view of a three-dimensional structure of the tool special for CNC machining of the slender workpiece according to the present invention;

fig. 3 is a schematic top view (partial view, for convenience of showing the lifter) of the tool special for CNC machining of the slender workpiece according to the present invention;

fig. 4 is a schematic cross-sectional structure view of the tool special for CNC machining of the slender workpiece according to the present invention;

fig. 5 is a schematic structural view of the first pressing block of the present invention at a first viewing angle;

fig. 6 is a schematic structural view of the first pressing block under the second viewing angle.

The following description is made with reference to the accompanying drawings:

1-a base; 10-a holding tank; 11-a guide chute; 110-upper part of the tank; 111-lower part of the tank; 2-first briquetting; 20-upper section; 21-lower section; 22-small hole; 3-second briquetting; 4, a stop block.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention is not limited to the embodiments described in the present application.

It should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any modification of the structures, changes of the ratio relation or adjustment of the size should still fall within the scope covered by the technical contents disclosed in the present invention without affecting the function and the achievable purpose of the present invention.

Example 1:

please refer to fig. 2 to fig. 4, which are a schematic diagram of a three-dimensional structure, a schematic diagram of a top view structure, and a schematic diagram of a cross-sectional structure of the tool for CNC processing of a long and thin workpiece according to the present invention.

The utility model discloses a special tool of CNC processing elongated workpiece includes a base 1, a plurality of first briquetting 2 and at least two second briquetting 3 that are the cuboid structure, uses the width direction of base 1 as the X axle direction, uses the length direction of base 1 as the Y axle direction; two containing grooves 10 extending along the Y-axis direction are concavely arranged on one surface of the base 1 side by side, two ends of the two containing grooves 10 in the length direction respectively penetrate through two vertical sides of the base 1 in the length direction, the two containing grooves 10 further divide one surface of the base 1 into three sections, namely a first section, a second section and a third section, which are sequentially arranged along the X-axis direction, wherein a plurality of guide sliding grooves 11 arranged at intervals along the Y-axis direction are respectively arranged on the first section and the third section, and each guide sliding groove 11 is respectively communicated with one adjacent containing groove 10; the first pressing blocks 2 are respectively and correspondingly arranged in the guide sliding chutes 11 in a sliding manner, and the first pressing blocks 2 can move towards the second area part to press the elongated workpiece G to be machined in the accommodating groove 10 against the second area part, and the first pressing blocks are distributed in a discrete manner, so that the workpiece can be well suitable for workpieces with different length and size, and can be in point contact with the workpiece to play a good anti-warping role; the at least two second pressing blocks 3 can be respectively fixedly mounted on one surface of the second section in a position-adjustable manner relative to one surface of the second section so as to exert downward pressure on the elongated workpiece G to be machined in the accommodating groove 10, on one hand, the positions of the second pressing blocks are adjustable, so that the second pressing blocks can be well suitable for workpieces with different length sizes, and on the other hand, the second pressing blocks can effectively prevent the workpieces from shaking and dislocating in the machining process;

in addition, two stoppers 4 for stopping and limiting the head and the tail of the slender workpiece G to be processed are respectively hinged on two vertical sides of the base 1 in the length direction.

In this embodiment, each of the first pressing blocks 2 preferably has an upper section 20 in a shape of a T-block and a lower section 21 integrally connected to a bottom surface of the upper section 20 and having a shape of a dovetail, as shown in fig. 5 and 6; the shape of the guide sliding grooves 11 matches with the shape of the first pressing block 2, that is, each guide sliding groove 11 has a U-shaped upper groove portion 110 for slidably fitting and connecting with the upper section portion 20, and a dovetail-shaped lower groove portion 111 for slidably fitting and connecting with the lower section portion 21; on one hand, the first pressing block is in sliding connection with the guide sliding chute through a dovetail structure, so that the parallel precision of the first pressing block during movement can be effectively ensured; on the other hand, the inclination of the two inclined edges of the lower section part is preferably-0.5 degrees, so that the workpiece can be clamped, and meanwhile, a downward pressing effect can be generated on the workpiece.

Preferably, a plurality of small holes 22 are respectively formed in one side surface of each first pressing block 2 facing the second area part, so as to reduce the contact area with the workpiece and prevent the workpiece from slipping and warping.

Further preferably, the plurality of guide chutes 11 located on the first section and the plurality of guide chutes 11 located on the third section are symmetrically distributed.

Preferably, the vertical surfaces of the second section facing the two side faces of the two accommodating grooves 10 are vertical planes; in addition, a plurality of screw holes for locking and installing the second pressing block 3 are also formed in one surface of the second area part.

Further preferably, a plurality of the screw holes are equally divided into two hole units, and each of the hole units is provided with a plurality of screw holes arranged at intervals along the Y-axis direction.

To sum up, the special jig for CNC machining of the slender workpiece has the advantages of simple and reasonable structure, convenient operation, and capability of easily, quickly and stably positioning the slender workpiece, thereby improving the machining quality of the workpiece and reducing the production cost; in addition, the special jig can be used for positioning slender workpieces with different sizes, is high in applicability and can be well applied to processing production.

The above description is only a preferred embodiment of the present invention, but not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and the present invention should also be considered as being in the protection scope of the present invention.

Claims

1. The utility model provides a special tool of long and thin work piece of CNC processing which characterized in that: the device comprises a base (1), a plurality of first pressing blocks (2) and at least two second pressing blocks (3), wherein the width direction of the base (1) is taken as the X-axis direction, and the length direction of the base (1) is taken as the Y-axis direction; two containing grooves (10) extending along the Y-axis direction are concavely arranged on one surface of the base (1) side by side, two ends of the two containing grooves (10) in the length direction are respectively and correspondingly penetrated through two vertical sides of the base (1) in the length direction, the two containing grooves (10) further divide one surface of the base (1) into three regions, namely a first region, a second region and a third region which are sequentially arranged along the X-axis direction, a plurality of guide sliding grooves (11) arranged at intervals along the Y-axis direction are respectively arranged on the first region and the third region, and each guide sliding groove (11) is respectively communicated with one adjacent containing groove (10); the first pressing blocks (2) are respectively and correspondingly arranged in the guide sliding chutes (11) in a sliding manner, and the first pressing blocks (2) can move towards the second section so as to press the elongated workpiece to be machined in the accommodating groove (10) against the second section; at least two second pressing blocks (3) can be respectively and fixedly arranged on one surface of the second section in a position-adjustable mode relative to one surface of the second section so as to apply downward pressure on the elongated workpiece to be machined, which is placed in the accommodating groove (10);

in addition, the two vertical sides of the base (1) in the length direction are respectively hinged with a stop block (4) for stopping and limiting the head end and the tail end of the slender workpiece to be processed.

2. The tool dedicated to CNC machining of long and thin workpieces of claim 1, characterized in that: each first pressing block (2) is provided with an upper section part (20) in a T-shaped block shape and a lower section part (21) which is integrally connected to the bottom surface of the upper section part (20) and is in a dovetail shape;

the shape of the guide sliding grooves (11) is matched with that of the first pressing block (2), namely, each guide sliding groove (11) is provided with a U-shaped groove upper part (110) which is connected with the upper section part (20) in a sliding fit mode and a dovetail-shaped groove lower part (111) which is connected with the lower section part (21) in a sliding fit mode.

3. The tool dedicated to CNC machining of long and thin workpieces of claim 1, characterized in that: and a plurality of small holes (22) are respectively formed in one side surface of each first pressing block (2) facing the second area part.

4. The tool dedicated to CNC machining of long and thin workpieces of claim 1, characterized in that: the guide chutes (11) located on the first section and the guide chutes (11) located on the third section are symmetrically distributed.

5. The tool dedicated to CNC machining of long and thin workpieces of claim 1, characterized in that: the vertical surfaces of the two sides of the second area part facing the two containing grooves (10) are vertical planes;

in addition, a plurality of screw holes for locking and installing the second pressing block (3) are also formed in one surface of the second area part.