CN219617208U - Adjustable clamp - Google Patents

Abstract

The utility model discloses an adjustable clamp which comprises a supporting seat, wherein a plurality of fixing devices are arranged on the supporting seat and used for fixing the supporting seat on a workbench, fixing rods are arranged on the upper surface of the supporting seat, two sides of each fixing rod are respectively provided with an adjusting device and a clamping device, a pressing plate is slidably arranged on each fixing rod, one end of each pressing plate is connected with one end of each adjusting device, a compression nut is arranged at the upper end of each fixing rod and used for fixing each pressing plate, a clamping table is arranged on the lower surface of the other end of each pressing plate, and each clamping table is located right above each clamping device. The adjusting device adjusts the position of the pressing plate on the fixed rod, the distance between the pressing plate and the clamping device is adjusted, the upper surface of the workpiece is connected with the lower surface of the pressing plate, the lower surface of the workpiece is connected with the upper surface of the clamping device, the pressing nut presses the upper part of the pressing plate, upward movement is avoided, the adjusting device can avoid downward movement of the pressing plate, and the influence on workpiece clamping caused by personnel skill difference is avoided.

Description

Adjustable clamp

Technical Field

The utility model relates to the technical field of machining, in particular to an adjustable clamp.

Background

The fixture is a device for fixing a machining object in a correct position to receive machining or inspection in a machine manufacturing process, and in a broad sense, any process in a process for rapidly, conveniently and safely mounting a workpiece may be called a fixture. When the existing adjustable clamp is used, the adjustment cannot be performed in the height direction, so that the limitation exists in the processing of workpieces, and the daily use requirement cannot be met.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides an adjustable clamp.

The aim of the utility model is achieved by the following technical scheme: the utility model provides an adjustable fixture, including the supporting seat, a plurality of fixing device has been seted up on the supporting seat, fixing device is used for fixing the supporting seat on the workstation, the supporting seat upper surface is provided with the dead lever, adjusting device and clamping device are installed respectively to the both sides of dead lever, slidable mounting has the clamp plate on the dead lever, and the one end and the end connection of adjusting device of clamp plate, the dead lever upper end is provided with gland nut, gland nut is used for fixing the clamp plate, the other end lower surface of clamp plate is provided with the grip block, the grip block is located directly over the clamping device.

Preferably, the adjusting device comprises an adjustable supporting rod and a locking nut, a threaded hole is formed in the supporting seat, the lower end of the adjustable supporting rod is installed in the threaded hole in a threaded mode, the locking nut is installed on the outer side of the adjustable supporting rod and used for fixing the adjustable supporting rod, a positioning block is arranged at the top end of the adjustable supporting rod, and the positioning block is connected with the lower surface of the pressing plate.

Preferably, a limiting step is further arranged between the positioning block and the adjustable supporting rod.

Preferably, the lower surface of the pressing plate is provided with a groove, and the positioning block is matched with the groove.

Preferably, the clamping device comprises a support nail and a lock nut b, a threaded hole b is formed in the support seat, the lower end of the support nail is installed in the threaded hole b in a threaded mode, the lock nut b is installed on the outer side of the support nail and used for fixing the support nail, and the support nail is located below the clamping table.

Preferably, the fixing device comprises a compression screw, a plurality of counter bores are formed in the supporting seat, the compression screw is installed in the counter bores, and the end portions of the compression screw are located in the workbench.

Preferably, the counter bores are rectangular in shape on the support base.

The utility model has the following advantages: according to the utility model, the position of the pressing plate on the fixing rod is regulated by the regulating device, so that the distance between the pressing plate and the clamping device is regulated, the upper surface of a workpiece is connected with the lower surface of the pressing plate, the lower surface of the workpiece is connected with the upper surface of the clamping device, the upper part of the pressing plate is pressed by the pressing nut to avoid upward movement, and the regulating device can avoid downward movement of the pressing plate, so that the influence on workpiece clamping caused by personnel skill difference is avoided, and the operation is simple and convenient.

Drawings

FIG. 1 is a schematic structural view of an adjustable clamp;

FIG. 2 is a schematic cross-sectional structural view of an adjustable clamp;

FIG. 3 is a schematic diagram of the positional relationship between a fixture and a workpiece;

in the figure, a 1-supporting seat, a 2-locking nut, a 3-adjustable supporting rod, a 4-pressing plate, a 5-pressing nut, a 6-supporting nail, a 7-locking nut b, an 8-pressing screw, a 9-clamping table, a 10-groove, an 11-positioning block, a 12-limiting step, a 13-counter bore, a 14-fixing rod, a 15-workpiece and a 16-workbench.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of 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, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In addition, the embodiments of the present utility model and the features of the embodiments may be combined with each other without collision.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not to indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In this embodiment, as shown in fig. 1 and 3, an adjustable fixture comprises a supporting seat 1, a plurality of fixing devices are arranged on the supporting seat 1, the fixing devices are used for fixing the supporting seat 1 on a workbench 16, a fixing rod 14 is arranged on the upper surface of the supporting seat 1, two sides of the fixing rod 14 are respectively provided with an adjusting device and a clamping device, a pressing plate 4 is slidably arranged on the fixing rod 14, one end of the pressing plate 4 is connected with the end of the adjusting device, a compression nut 5 is arranged at the upper end of the fixing rod 14, the compression nut 5 is used for fixing the pressing plate 4, a clamping table 9 is arranged on the lower surface of the other end of the pressing plate 4, and the clamping table 9 is located right above the clamping device. The position of the pressing plate 4 on the fixed rod 14 is adjusted through the adjusting device, so that the distance between the pressing plate 4 and the clamping device is adjusted, the upper surface of the workpiece 15 is connected with the lower surface of the pressing plate 4, the lower surface of the workpiece 15 is connected with the upper surface of the clamping device, the upper part of the pressing plate 4 is pressed through the compression nut 5, upward movement is avoided, the pressing plate 4 can be prevented from moving downwards through the adjusting device, the influence on workpiece clamping due to personnel skill difference is avoided, and the operation is simple and convenient.

Further, as shown in fig. 2, the adjusting device comprises an adjustable supporting rod 3 and a locking nut 2, a threaded hole is formed in the supporting seat 1, the lower end of the adjustable supporting rod 3 is installed in the threaded hole in a threaded mode, the locking nut 2 is installed on the outer side of the adjustable supporting rod 3, the locking nut 2 is used for fixing the adjustable supporting rod 3, a positioning block 11 is arranged on the top end of the adjustable supporting rod 3, the positioning block 11 is connected with the lower surface of the pressing plate 4, preferably, a groove 10 is formed in the lower surface of the pressing plate 4, and the positioning block 11 is matched with the groove 10. Still further, still be provided with spacing step 12 between locating piece 11 and the adjustable bracing piece 3. Specifically, firstly, the workpiece 15 to be clamped is placed on the clamping device, then the compression nut 5 and the locking nut 2 are loosened, the operator manually rotates the adjustable support rod 3 according to the thickness of the workpiece 15 to be clamped, so that the pressing plate 4 moves up and down along the fixed rod 14, the upper surface of the workpiece 15 contacts with the lower surface of the pressing plate 4, after the adjustment is completed, the pressing plate 4 is rotated, the groove 10 on the pressing plate 4 is matched with the positioning block 11, so that the pressing plate 4 is limited and fixed, the pressing plate 4 is prevented from rotating and moving, the compression nut 5 is locked immediately, the phenomenon that the clamping force is too small due to the upward movement of the pressing plate 4, the clamping effect is poor, and the locking nut is locked immediately, so that the adjustable support rod 3 is fixed, and the phenomenon that the workpiece 15 is deformed due to the excessive clamping force caused by the downward movement of the pressing plate 4 is avoided.

In this embodiment, the clamping device includes a support nail 6 and a lock nut b7, a threaded hole b is formed in the support seat 1, the lower end of the support nail 6 is installed in the threaded hole b in a threaded manner, the lock nut b7 is installed on the outer side of the support nail 6, the lock nut b7 is used for fixing the support nail 6, and the support nail 6 is located below the clamping table 9. Specifically speaking, the staff places the work piece 15 of waiting to centre gripping on the support nail 6, again according to the distance between work piece 15 thickness adjustment clamp plate 4 and the support nail 6, when clamp plate 4 was adjusted to the highest position, when the thickness of work piece 15 was still greater than the distance between clamp plate 4 and the support nail 6, the staff unclamps lock nut b7 this moment, rotatory support nail 6 makes support nail 6 rotate downwards, thereby continue to increase the distance between clamp plate 4 and the support nail 6, thereby make work piece 15 upper surface and clamp plate 4 lower surface contact, after the regulation was accomplished, lock nut b7 avoids support nail 6 to take place to remove, thereby guaranteed the centre gripping effect.

Further, the fixing device comprises a compression screw 8, a plurality of counter bores 13 are formed in the supporting seat 1, the compression screw 8 is installed in the counter bores 13, and the end portion of the compression screw 8 is located in the workbench 16. Still further, the counter bores 13 are rectangular in shape on the support base 1. Specifically speaking, the staff is through installing compression screw 8 in counter bore 13, and then installs supporting seat 1 on workstation 16, and counter bore 13 can avoid personnel to cause the injury because of compression screw 8, and counter bore 13 is the rectangle and distributes on supporting seat 1 and can make supporting seat 1 atress even, avoids appearing the vibration in the course of working.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims (7)

1. An adjustable clamp, characterized in that: including supporting seat (1), a plurality of fixing device have been seted up on supporting seat (1), fixing device is used for with supporting seat (1) is fixed on workstation (16), supporting seat (1) upper surface is provided with dead lever (14), adjusting device and clamping device are installed respectively to the both sides of dead lever (14), slidable mounting has clamp plate (4) on dead lever (14), just the one end of clamp plate (4) with adjusting device's end connection, dead lever (14) upper end is provided with gland nut (5), gland nut (5) are used for with clamp plate (4) are fixed, the other end lower surface of clamp plate (4) is provided with clamping table (9), clamping table (9) are located directly over the clamping device.

2. An adjustable clamp according to claim 1, wherein: the adjusting device comprises an adjustable supporting rod (3) and a locking nut (2), a threaded hole is formed in a supporting seat (1), the lower end of the adjustable supporting rod (3) is installed in the threaded hole in a threaded mode, the locking nut (2) is installed on the outer side of the adjustable supporting rod (3), the locking nut (2) is used for fixing the adjustable supporting rod (3), a positioning block (11) is arranged on the top end of the adjustable supporting rod (3), and the positioning block (11) is connected with the lower surface of the pressing plate (4).

3. An adjustable clamp according to claim 2, wherein: a limiting step (12) is further arranged between the positioning block (11) and the adjustable supporting rod (3).

4. An adjustable clamp according to claim 3, wherein: the lower surface of the pressing plate (4) is provided with a groove (10), and the positioning block (11) is matched with the groove (10).

5. An adjustable clamp as defined in claim 4, wherein: clamping device includes supporting nail (6) and lock nut b (7), threaded hole b has been seted up on supporting seat (1), the lower extreme screw thread of supporting nail (6) is installed threaded hole b is interior, just install in the outside of supporting nail (6) lock nut b (7), lock nut b (7) are used for with supporting nail (6) are fixed, supporting nail (6) are located the below of centre gripping platform (9).

6. An adjustable clamp as defined in claim 5, wherein: the fixing device comprises a compression screw (8), a plurality of counter bores (13) are formed in the supporting seat (1), the compression screw (8) is installed in the counter bores (13), and the end portion of the compression screw (8) is located in the workbench (16).

7. An adjustable clamp as defined in claim 6, wherein: the counter bores (13) are distributed on the supporting seat (1) in a rectangular shape.