CN216882850U - Clamping and fixing structure for mechanical design and manufacturing - Google Patents

Abstract

The utility model discloses a clamping and fixing structure for mechanical design and manufacture, comprising a fixing table, two fixing rods are arranged on both sides of the fixing table at the upper end, and both sides of the fixing table are arranged at the lower end with two fixing rods. Two limit rods, the upper end of the fixed rod is provided with an anti-skid block, the interior of the fixed platform is provided with a fixing mechanism, and the lower end of the fixed rod is provided with two return springs on the inner side. One end is connected with a fixing block, the bottom surface of the lower end of the fixing rod is provided with a sliding groove on one side, and the bottom surface of the lower end of the fixing rod is provided with a clamping groove on the other side, and the fixing mechanism includes a driving cylinder and four clamping grooves. Connecting plate, one end of the driving cylinder is provided with a lifting plate. The clamping and fixing structure for mechanical design and manufacture according to the utility model saves the steps of screw positioning, has a convenient and simple structure, improves the processing efficiency, can improve the stability of fixing the workpiece, and reduces the defective rate of the product .

Description

A clamping and fixing structure for mechanical design and manufacture

technical field

The utility model relates to the field of machining, in particular to a clamping and fixing structure for mechanical design and manufacture.

Background technique

Mechanical design and manufacturing is mainly a general term for the production and manufacturing process of mechanical equipment in terms of working principle and structure according to the requirements of mechanical equipment. Grinding, cutting and other processing processes, this solution specifically involves a clamping and fixing structure for mechanical design and manufacturing; however, the existing clamping and fixing structure has certain shortcomings in use and needs to be improved. First, the fixing parts are positioned by screws. , it is not convenient and concise, and secondly, the position adjustment of the fixed parts is more troublesome, and problems such as shaking are prone to occur during the positioning process, which affects the fixing effect.

Utility model content

The main purpose of the present invention is to provide a clamping and fixing structure for mechanical design and manufacture, which can effectively solve the technical problems raised by the background technology.

To achieve the above purpose, the technical scheme adopted by the present utility model is:

A clamping and fixing structure for mechanical design and manufacturing, comprising a fixing table, two fixing rods are arranged on both sides of the fixing table near the upper end, and two limit rods are arranged on both sides of the fixing table near the lower end , the upper end of the fixing rod is provided with an anti-skid block on the inner side, the fixing platform is provided with a fixing mechanism inside, the lower end of the fixing rod is provided with two return springs on the inner side, and one end of the return spring is connected with a fixing block The bottom surface of the lower end of the fixing rod is provided with a sliding groove on one side, and the bottom surface of the lower end of the fixing rod is provided with a clamping groove on the other side.

As a further solution of the present invention, the fixing mechanism includes a driving cylinder and four clamping plates, one end of the driving cylinder is provided with a lifting plate, and two offset grooves are arranged on both sides of the inner wall of the lifting plate, and the clamping plate is An offset block is arranged in the middle of the bottom surface of the plate, and a plurality of clamping tooth blocks are equidistantly arranged on the top surface of the clamping plate, and a plurality of compression springs are arranged at an equal distance on both sides of the offset block.

As a further solution of the present invention, the fixing block is located on the inner wall of the fixing table, and the fixing block is fixedly connected to the fixing table, the two ends of the return spring are respectively connected to the inner side of the lower end of the fixing block and the fixing rod, and the two horizontal The fixing rods are arranged symmetrically.

As a further solution of the present invention, the lower end of the fixing rod is slidably connected with the fixing table on the inner side, the top end of the limiting rod is located inside the sliding groove, and the top end of the limiting rod is slidably connected with the sliding groove.

As a further solution of the present invention, the offset block and the compression springs on both sides thereof are located inside the corresponding offset groove, and the two ends of the compression spring are respectively fixedly connected with the offset block and the inner surface of the offset groove, The offset block is slidably connected with the offset slot.

As a further solution of the present invention, the lifting plate is located in the center of the fixing table, the lifting plate is slidably connected with the fixing table, and the four clamping plates are respectively adapted to the four clamping grooves.

Compared with the prior art, the utility model has the following beneficial effects: the lifting plate moves through the provided clip fixing mechanism, which in turn drives the clamping plate to move, so that the clamping tooth block contacts the clamping groove, and the offset block moves. The compression springs on both sides thereof are located inside the corresponding offset grooves. The two ends of the compression springs are fixedly connected with the offset block and the inner surface of the offset groove respectively. The connecting plate is horizontally displaced, so that the clamping tooth block is fitted with the clamping groove, and the position of the fixing rod is fixed. After the processing is completed, the clamping plate is driven to reset by the extrusion spring, which saves the step of screw positioning, and the structure is convenient and simple. , easy to operate and use, and improve the processing efficiency;

By setting the side of the workpiece in contact with the anti-skid block on the upper end of the fixing rod, the lower end of the fixing rod is slidably connected to the fixing table on the inner side, so that the fixing rod moves to the outside, and the top of the limit rod is located inside the sliding groove, and the limit rod The top end is slidably connected to the sliding groove, and the horizontal position balance is maintained when the fixed rod moves through the limit rod. Finally, the reset spring drives the fixed rod to reset and move, so that the structure can better adapt to workpieces of different shapes and sizes, and improve the The stability of workpiece fixation is improved, and the defective rate of products is reduced.

Description of drawings

1 is a schematic diagram of the overall structure of a clamping and fixing structure for mechanical design and manufacture of the present utility model;

2 is a cross-sectional view of a fixing table of a clamping and fixing structure for mechanical design and manufacture of the present utility model;

3 is a top view of a fixing rod of a clamping and fixing structure for mechanical design and manufacture of the present invention;

4 is a bottom view of a fixing rod of a clamping and fixing structure for mechanical design and manufacture of the present utility model;

5 is a schematic structural diagram of a fixing mechanism of a clamping and fixing structure for mechanical design and manufacture of the present invention;

FIG. 6 is an enlarged view of the position A in FIG. 5 of a clamping and fixing structure for mechanical design and manufacture of the present invention.

In the figure: 1. Fixing table; 2. Fixing rod; 3. Limiting rod; 4. Anti-skid block; 5. Fixing mechanism; 6. Fixing block; 7. Return spring; 8. Sliding slot; 10. Driving cylinder; 11. Lifting plate; 12. Offset slot; 13. Snap plate; 14, Offset block; 15, Snap tooth block; 16, Squeeze spring.

Detailed ways

In order to make the technical means, creation features, achievement goals and effects of the present invention easy to understand and understand, the present invention will be further described below with reference to the specific embodiments.

As shown in Figures 1-6, a clamping and fixing structure for mechanical design and manufacturing includes a fixing table 1. Two fixing rods 2 are arranged on both sides of the fixing table 1 near the upper end, and the two sides of the fixing table 1 are near the lower end. Both are provided with two limit rods 3, the upper end of the fixed rod 2 is provided with an anti-skid block 4, the interior of the fixed table 1 is provided with a fixing mechanism 5, and the lower end of the fixed rod 2 is provided with two return springs 7 on the inner side. One end of the spring 7 is connected with the fixing block 6 , the lower end bottom surface of the fixing rod 2 is provided with a sliding groove 8 on one side, and the lower end bottom surface of the fixing rod 2 is provided with a clamping groove 9 on the other side.

In this embodiment, in order to facilitate the fixing of the clamp, a fixing mechanism 5 is provided. The fixing mechanism 5 includes a driving cylinder 10 and four clamping plates 13. One end of the driving cylinder 10 is provided with a lifting plate 11, and the inner wall of the lifting plate 11 is close to Two offset slots 12 are provided on both sides, the bottom surface of the clamping plate 13 is centrally provided with an offset block 14, and the top surface of the clamping plate 13 is equidistantly provided with a number of clamping tooth blocks 15, and the offset block 14 A number of compression springs 16 are arranged at equal distances on both sides.

In this embodiment, in order to realize the reset movement of the fixed rod 2, the fixed block 6 is located on the inner wall of the fixed table 1, and the fixed block 6 is fixedly connected with the fixed table 1, and the two ends of the reset spring 7 are respectively connected with the fixed block 6 and the fixed rod 2. The lower end is fixedly connected on the inner side, and the two fixing rods 2 in the horizontal direction are arranged symmetrically.

In addition, the lower end of the fixing rod 2 is slidably connected with the fixing table 1 on the inner side, the top end of the limiting rod 3 is located inside the sliding groove 8, and the top end of the limiting rod 3 is slidably connected with the sliding groove 8, and the fixing rod is made by the limiting rod 3. 2 Keep balance in a horizontal position when moving.

In this embodiment, in order to realize the movement of the offset block 14, the offset block 14 and the compression springs 16 on both sides thereof are located inside the corresponding offset groove 12, and the two ends of the compression spring 16 are respectively connected to the offset block. 14 and the inner surface of the offset groove 12 are fixedly connected, and the offset block 14 is slidably connected with the offset groove 12 .

In this embodiment, in order to fix the fixing rod 2 , the lifting plate 11 is located in the center of the fixing table 1 , and the lifting plate 11 is slidably connected with the fixing table 1 , and the four clamping plates 13 are respectively connected with the four clamping grooves. 9 to match.

It should be noted that the present invention is a clamping and fixing structure for mechanical design and manufacture. When in use, the fixing table 1, the fixing rod 2, the limit rod 3 and the fixing mechanism 5 constitute the main part of the whole clamping and fixing structure. , place the workpiece directly above the fixed table 1, squeeze the workpiece, make the side of the workpiece contact the anti-skid block 4 on the upper end of the fixed rod 2, and slide the lower end of the fixed rod 2 to the inner side with the fixed table 1, so that the fixed The rod 2 moves to the outside, while the top of the limit rod 3 is located inside the sliding groove 8, and the top of the limit rod 3 is slidably connected to the sliding groove 8, and the limit rod 3 keeps the horizontal position balance when the fixed rod 2 moves. After the bottom surface of the workpiece is attached to the top surface of the fixed table 1 , the driving cylinder 10 drives the lifting plate 11 to move, and then drives the clamping plate 13 to move, so that the clamping tooth block 15 contacts the clamping groove 9 , and through the offset The block 14 and the compression springs 16 on both sides thereof are located inside the corresponding offset grooves 12 . The shifting groove 12 is slidably connected, so that the clamping plate 13 is horizontally displaced, so that the clamping tooth block 15 is fitted with the clamping groove 9, and the position of the fixing rod 2 is fixed, so that the workpiece can be processed, and the cylinder 10 is driven after the processing is completed. Drive the lifting plate 11 to reset, and then drive the clip plate 13 to reset, so that the clip tooth block 15 is separated from the clip slot 9, so that the workpiece can be removed, and then the reset spring 7 drives the fixed rod 2 to reset and move.

In the present invention, the lifting plate 11 moves through the provided clamping and fixing mechanism 5, and then drives the clamping plate 13 to move, so that the clamping tooth block 15 is in contact with the clamping groove 9. The compression springs 16 are all located inside the corresponding offset grooves 12 , the two ends of the compression springs 16 are respectively fixedly connected with the offset block 14 and the inner surface of the offset groove 12 , and the offset block 14 is slidably connected with the offset groove 12 , thereby making the The clamping plate 13 is horizontally displaced, so that the clamping tooth block 15 is fitted with the clamping groove 9, and the position of the fixing rod 2 is fixed. After the processing is completed, the clamping plate 13 is driven to reset by the extrusion spring 16, eliminating the need for screw positioning. The structure is convenient and simple, easy to operate and use, and the processing efficiency is improved; by setting the side of the workpiece to contact the anti-skid block 4 on the upper end of the fixing rod 2, the lower end of the fixing rod 2 is slidingly connected with the fixing table 1 on the inner side, so that the fixing The rod 2 moves to the outside, while the top of the limit rod 3 is located inside the sliding groove 8, and the top of the limit rod 3 is slidably connected with the sliding groove 8, and the limit rod 3 keeps the balance of the horizontal position when the fixed rod 2 moves. Finally, the fixing rod 2 is driven to reset and move by the reset spring 7, so that the structure can better adapt to the workpieces of different shapes and sizes, and the stability of the workpiece fixing is improved, and the defective rate of the product is reduced.

The basic principles and main features of the present invention and the advantages of the present invention are shown and described above. It should be understood by those skilled in the art that the present invention is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention There will also be various changes and improvements in the new model, which all fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (6)

1. A clamping and fixing structure for mechanical design and manufacturing, characterized in that it comprises a fixing table (1), and two fixing rods (2) are provided on both sides of the fixing table (1) near the upper end, and the Two limiting rods (3) are provided on both sides of the fixing table (1) near the lower ends, and an anti-skid block (4) is provided on the inner side of the upper end of the fixing rod (2). A fixing mechanism (5) is provided, the lower end of the fixing rod (2) is provided with two return springs (7) on the inner side, and one end of the return spring (7) is connected with a fixing block (6). The bottom surface of the lower end of (2) is provided with a sliding groove (8) on one side, and the bottom surface of the lower end of the fixing rod (2) is provided with a snap groove (9) on the other side. 2. A clamping and fixing structure for mechanical design and manufacturing according to claim 1, characterized in that: the fixing mechanism (5) comprises a driving cylinder (10) and four clamping plates (13), and the driving cylinder ( One end of 10) is provided with a lift plate (11), the inner wall of the lift plate (11) is provided with two offset grooves (12) on both sides, and the bottom surface of the clamping plate (13) is centrally provided with an offset block (14). ), and the top surface of the clamping plate (13) is provided with several clamping tooth blocks (15) equidistantly, and the two sides of the offset block (14) are provided with several compression springs (16) at equal distances. 3. A clamping and fixing structure for mechanical design and manufacture according to claim 1, characterized in that: the fixing block (6) is located on the inner wall of the fixing table (1), and the fixing block (6) is connected to the fixing table (1). ) is fixedly connected, the two ends of the return spring (7) are respectively fixedly connected with the fixing block (6) and the lower end of the fixing rod (2) on the inner side, and the two fixing rods (2) in the horizontal direction are arranged symmetrically. 4. A clamping and fixing structure for mechanical design and manufacturing according to claim 1, wherein the lower end of the fixing rod (2) is slidably connected to the fixing table (1) on the inner side, and the limit rod (3) The top end of the rod is located inside the sliding groove (8), and the top end of the limit rod (3) is slidably connected with the sliding groove (8). 5 . The clamping and fixing structure for mechanical design and manufacture according to claim 2 , wherein the offset block ( 14 ) and the compression springs ( 16 ) on both sides thereof are located in the corresponding offset grooves. 6 . Inside (12), both ends of the compression spring (16) are respectively fixedly connected to the offset block (14) and the inner surface of the offset groove (12), and the offset block (14) is slidably connected to the offset groove (12). 6 . The clamping and fixing structure for mechanical design and manufacture according to claim 2 , wherein the lifting plate ( 11 ) is located in the center of the fixing table ( 1 ), and the lifting plate ( 11 ) is connected to the fixing table 6 . (1) Sliding connection, the four clamping plates (13) are respectively adapted to the four clamping grooves (9).

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