CN214237721U - Universal clamping tool - Google Patents

Abstract

The utility model provides a universal clamping tool, which is provided with a plurality of clamping units, wherein each clamping unit is provided with a base, two ends of each base are provided with a positioning plate and a supporting plate, a guide rail is arranged between each positioning plate and the corresponding supporting plate, and the guide rail is fixedly connected with the base; the clamping structure is arranged above the guide rail and is in sliding connection with the guide rail, the hydraulic cylinder is further arranged between the clamping structure and the supporting plate, the cylinder body of the hydraulic cylinder is fixedly connected with the clamping structure, the tail end of a piston rod of the hydraulic cylinder is connected with the supporting plate, and under the action of the hydraulic cylinder, the clamping structure slides left and right along the guide rail to clamp a workpiece between the positioning plate and the clamping structure. The utility model discloses simple structure comes the work piece to press from both sides tightly or loosen through pneumatic cylinder control sliding block horizontal slip, and the difference that adapts to different work piece widths through the difference of dish spring compression degree reaches the purpose that the clamping is tight a plurality of work pieces in the simultaneous location. Meanwhile, the mechanical operation reduces the labor intensity and cost of workers, improves the working efficiency and ensures that the processed workpiece has better quality.

Description

Universal clamping tool

Technical Field

The utility model relates to a work piece clamping technical field, in particular to tight frock is pressed from both sides to general type.

Background

The machining process of metal products usually requires multiple processes, such as machining in the former process, and grinding and polishing, wire drawing, sand blasting, deburring and the like in the latter process. All need carry out effectual fixed to metal product in these manufacturing procedure, especially polish polishing to metal product and add man-hour, in order to guarantee processingquality, need carry out accurate location and effectual fixed to metal product more.

To the centre gripping problem when the work piece adds man-hour in the machining trade, prior art is for adopting the lock screw structure, and the clamping is wasted time and energy and increase the cost of labor, often can not press from both sides tightly simultaneously when carrying out the clamping to a plurality of work pieces.

Disclosure of Invention

The utility model aims at solving the technical deficiencies, provide a simple structure, convenient operation is applicable to the tight frock of the tight general type clamp of a plurality of work pieces simultaneous grip.

Therefore, the utility model provides a universal clamping tool, which is provided with a plurality of clamping units, wherein each clamping unit is provided with a base, two ends of each base are respectively provided with a positioning plate and a supporting plate, a guide rail is arranged between each positioning plate and each supporting plate, and the guide rail is fixedly connected with the base; the clamping structure is arranged above the guide rail and is in sliding connection with the guide rail, the hydraulic cylinder is further arranged between the clamping structure and the supporting plate, the cylinder body of the hydraulic cylinder is fixedly connected with the clamping structure, the tail end of a piston rod of the hydraulic cylinder is connected with the supporting plate, and under the action of the hydraulic cylinder, the clamping structure slides left and right along the guide rail to clamp a workpiece between the positioning plate and the clamping structure.

Preferably, press from both sides tight structure and include the sliding block, the sliding block passes through the draw-in groove card to be established in the top and guide rail sliding connection of guide rail, the sliding block has been seted up with a terminal surface that the locating plate is relative and has been pressed from both sides tight knock pin hole, press from both sides tight knock pin hole and include the hole and the outer hole that communicate each other, the aperture of hole is greater than the aperture of outer hole, be equipped with dish spring and knock pin in proper order in the hole, the knock pin card is established between hole and outer hole, its one end and dish spring butt, its other end is located in the outer hole and is stretched out along the outer hole.

Preferably, the extension line of the clamping ejector pin hole inclines downwards at an included angle with the horizontal direction, and the extension line of the disc spring and the ejector pin also inclines downwards at an included angle with the horizontal direction.

Preferably, the end of the knock pin is provided with a protrusion.

Preferably, the positioning plate is connected with a vertical clamping plate.

The utility model provides a tight frock of general type clamp has following beneficial effect:

the utility model discloses be equipped with the several and press from both sides tight unit, press from both sides tight unit and be equipped with locating plate and sliding block, under the effect of pneumatic cylinder, the sliding block drives knock pin, dish spring and presss from both sides the work piece tight or loosen along the guide rail side-to-side movement. Due to the scalability of the disc spring, the running distance of the ejector pin is finely adjusted to adapt to the width difference of different workpieces, so that the aim of simultaneously positioning and clamping a plurality of workpieces is fulfilled.

The utility model discloses simple structure, convenient operation, the manual operation of workman is replaced in the mechanization, has reduced workman's intensity of labour, has saved a large amount of time, has improved work efficiency. And the simultaneous accurate positioning and clamping operation of a plurality of workpieces can be realized, the batch production is completed, and the processing speed and the quality of the workpieces are improved. And the utility model is suitable for a not work piece of equidimension, classification presss from both sides tightly, and the commonality is strong, and the range of application is more extensive.

Drawings

FIG. 1 is a schematic structural view of a front view of the present invention;

fig. 2 is a schematic structural diagram of a perspective view of the present invention;

fig. 3 is a schematic structural view of the cross-sectional view of the present invention.

The labels in the figure are: 1. the automatic positioning device comprises a base, 2 parts of a positioning plate, 21 parts of a vertical clamping plate, 3 parts of a supporting plate, 4 parts of a guide rail, 5 parts of a hydraulic cylinder, 6 parts of a sliding block, 61 parts of an inner hole, 62 parts of an outer hole, 63 parts of a disc spring, 64 parts of a top pin and 641 parts of a protrusion.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments to assist understanding of the invention. The method used in the utility model is a conventional method if no special regulation is provided; the raw materials and the apparatus used are, unless otherwise specified, conventional commercially available products.

Shown by fig. 1-3, the utility model provides a tight frock of general type clamp, it is equipped with several clamping unit, and every clamping unit all is equipped with base 1, and base 1's both ends are equipped with locating plate 2 and backup pad 3 respectively, are equipped with guide rail 4 between locating plate 2 and the backup pad 3, and guide rail 4 plays guide effect and base 1 fixed connection. The clamping structure is arranged above the guide rail 4 and is in sliding connection with the guide rail 4, the hydraulic cylinder 5 is further arranged between the clamping structure and the supporting plate 3, the cylinder body of the hydraulic cylinder 5 is fixedly connected with the clamping structure, the tail end of the piston rod of the hydraulic cylinder 5 is connected with the supporting plate 3, and under the action of the hydraulic cylinder 5, the clamping structure slides left and right along the guide rail 4 to clamp a workpiece between the positioning plate 2 and the clamping structure.

Furthermore, press from both sides tight structure and include sliding block 6, sliding block 6 establishes in the top of guide rail 4 and guide rail 4 sliding connection through the draw-in groove card. The sliding block 6 has been seted up with the relative one side terminal surface of locating plate 2 and has been pressed from both sides tight knock pin hole, presss from both sides tight knock pin hole and includes hole 61 and outer hole 62 that communicate each other, and the inboard blind hole that is located to hole 61, and its aperture is greater than the aperture of outer hole 62. The inner hole 61 is internally provided with the disc spring 63 and the ejector pin 64 in sequence, the disc spring 63 has scalability, one end of the disc spring is abutted against the bottom wall of the inner hole 61, the other end of the disc spring is abutted against the ejector pin 64, the stroke of the ejector pin 64 is convenient to be finely adjusted to adapt to the width difference of different workpieces, and the purpose of accurate positioning and clamping is achieved. The ejector pin 64 is T-shaped, the T-shaped head end of the ejector pin is clamped between the inner hole 61 and the outer hole 62, one end of the ejector pin 64 is abutted to the disc spring 63, and the other end of the ejector pin 64 is arranged in the outer hole 62 and extends out along the outer hole 62, so that a workpiece is clamped conveniently.

Furthermore, the extension line of the clamping ejector pin hole is inclined downwards at an included angle with the horizontal direction, and the disc spring 63 and the ejector pin 64 arranged in the clamping ejector pin hole are also inclined downwards at an included angle with the horizontal direction. The top pin 64 is inclined downwards, so that when a thinner workpiece is clamped, a downward inclined force is applied to the workpiece, the workpiece is prevented from being raised, and the clamping is firmer.

The end of the knock pin 64 is provided with a protrusion 641, so that force is applied when clamping, and further positioning is more accurate and clamping is firmer.

Further, the locating plate 2 is connected and is equipped with vertical splint 21, and the up end of vertical splint 21 is parallel and level with the up end of knock pin 64, the work piece laminating location of being convenient for.

The utility model discloses a working process does:

firstly, a plurality of groups of clamping units are combined together according to the size and the number of clamped workpieces, then, the base plates with corresponding thicknesses are placed on the guide rails 4 according to the thicknesses of the clamped workpieces, and at the moment, the piston rods of the hydraulic cylinders 5 are in a contraction state. The workpiece to be processed is then placed on the backing plate, with the workpiece between the top pin 64 and the vertical clamp plate 21. And starting the hydraulic cylinder 5, extending a piston rod of the hydraulic cylinder 5, driving the sliding block 6 to slide along the guide rail 4 by the cylinder body of the hydraulic cylinder 5, and moving the ejector pin 64 and the disc spring 63 along with the sliding block 6 to the direction of the vertical clamping plate 21. After the knock pin 64 contacts with the workpiece, the knock pin 64 continues to move towards the vertical clamping plate 21 to enable the workpiece to be tightly attached to the vertical clamping plate 21, the knock pin 64 simultaneously gives an acting force to the disc spring 63 to enable the disc spring 63 to be stressed and compressed, and the running distance of the knock pin 64 is finely adjusted by the difference of the compression degree of the disc spring 63 so as to adapt to the width difference of different workpieces and achieve the purpose of simultaneously clamping and fixing a plurality of workpieces. And the mechanical operation reduces the labor intensity of workers, saves a large amount of time, reduces the production cost and improves the working efficiency.

The utility model discloses simple structure, convenient operation utilizes pneumatic cylinder 5 to drive sliding block 6 and presss from both sides tight fixed operation to the work piece, under the effect of the different flexible degree of dish spring 63, accurate location when realizing different work pieces is pressed from both sides tightly, accomplishes batch production. And the utility model is suitable for a not work piece of equidimension, classification presss from both sides tightly, and the commonality is strong, and the range of application is more extensive.

In the description of the present invention, it should be understood that the terms "left", "right", "upper", "lower", "top", "bottom", "front", "rear", "inner", "outer", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

However, the above description is only an embodiment of the present invention, and the scope of the present invention should not be limited thereto, so that the replacement of the equivalent components or the equivalent changes and modifications made according to the protection scope of the present invention should be covered by the claims of the present invention.

Claims (5)

1. A universal clamping tool is characterized by being provided with a plurality of clamping units, wherein each clamping unit is provided with a base, a positioning plate and a supporting plate are respectively arranged at two ends of each base, a guide rail is arranged between each positioning plate and each supporting plate, and each guide rail is fixedly connected with each base; the clamping structure is arranged above the guide rail and is in sliding connection with the guide rail, a hydraulic cylinder is further arranged between the clamping structure and the supporting plate, a cylinder body of the hydraulic cylinder is fixedly connected with the clamping structure, the tail end of a piston rod of the hydraulic cylinder is connected with the supporting plate, and under the action of the hydraulic cylinder, the clamping structure slides left and right along the guide rail to clamp a workpiece between the positioning plate and the clamping structure.

2. The universal clamping tool according to claim 1, wherein the clamping structure comprises a sliding block, the sliding block is clamped above the guide rail through a clamping groove and is in sliding connection with the guide rail, a clamping top pin hole is formed in one end face, opposite to the positioning plate, of the sliding block, the clamping top pin hole comprises an inner hole and an outer hole which are communicated with each other, the aperture of the inner hole is larger than that of the outer hole, a disc spring and a top pin are sequentially arranged in the inner hole, the top pin is clamped between the inner hole and the outer hole, one end of the top pin is abutted to the disc spring, and the other end of the top pin is arranged in the outer hole and extends out of the outer hole.

3. The universal clamping tool according to claim 2, wherein an extension line of the clamping ejector pin hole is inclined downwards at an included angle with the horizontal direction, and an extension line of the disc spring and the ejector pin is also inclined downwards at an included angle with the horizontal direction.

4. The universal clamping fixture according to claim 2, wherein a protrusion is provided at an end of the knock pin.

5. The universal clamping tool according to claim 1, wherein the positioning plate is provided with a vertical clamping plate in a connecting manner.

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