CN207807164U - A kind of spring chuck tool fixture - Google Patents

Abstract

The utility model discloses a spring collet tooling fixture, which comprises a bottom plate, a pressure plate and a spring. The two sides of the top of the bottom plate are respectively connected with pressure plates through springs. There are a pair of locking round holes, clamping columns run through both ends of the pressure plate, locking grooves are opened in the middle of the clamping column, a fixing cylinder is penetrated in the middle of the pressure plate, and screws are interspersed and connected inside the fixing cylinder, and the top of the screw is fixed. Features a twist plate. The design of the clamping column provided by the utility model can use the plasticity and strength of the clamping column itself to clamp the circular workpiece, and then through the cooperation of the spring and the pressing plate, the elastic force of the spring can be used to push the pressing plate, so that it is located in the fixing hole of the clamping column workpiece. The workpiece is clamped; the matching of the locking round hole, the locking groove and the locking pin can lock the pressure plate for clamping the workpiece, so as to prevent the pressure plate from falling and the workpiece from falling out during processing.

Description

A spring collet tooling fixture

technical field

The utility model relates to a tooling fixture, in particular to a spring collet tooling fixture.

Background technique

In the processing of workpieces, sometimes machine tools are used, and sometimes manual processing is used. Because round workpieces are not easy to fix, most of them are processed by machine tools, which has great limitations. The traditional clamping tooling Only one workpiece can be clamped and processed, the work efficiency is very low, and the structure of the workpiece fixture is complicated, and the clamping steps are cumbersome. Therefore, we improve this and propose a spring chuck tooling fixture.

Utility model content

In order to solve the defects of complex fixation and low processing efficiency in the prior art, the utility model provides a collet tooling fixture.

In order to solve the above technical problems, the utility model provides the following technical solutions:

The utility model is a collet tooling fixture, which comprises a bottom plate, a pressure plate and a spring. Both sides of the top of the bottom plate are respectively connected with pressure plates through springs. Both ends of the pressure plate are provided with guide posts. A pair of locking round holes are opened on both sides, clamping columns are provided through the inside of both ends of the pressing plate, locking grooves are opened in the middle of the clamping column, and a fixing cylinder is provided in the middle of the pressing plate. The inside of the cylinder is interspersed with screws, the top of the screw is fixed with a turntable, the middle of the bottom of the pressure plate is provided with a bump, the middle of the top of the bottom plate is provided with a groove, and the bottom of the groove is provided with a screw. hole, the bottom of the screw runs through the bump and threadedly connects with the screw hole, one side of the pressure plate is symmetrically provided with a slide rail, the top of the slide rail is slidably connected with a slider, and the top of the slider is fixedly provided with a lock Tight pins, the top and both sides of the bottom plate are respectively provided with mounting holes.

Further, the guide post is movably connected with the pressure plate, and the bottom of the guide post passes through the spring and is fixedly connected with the bottom plate.

Further, the top of the clamping column is in the state of a circular terrace, and the top of the clamping column is divided into four equal clamping blocks by two slots, and the center of the top of the clamping column is a workpiece fixing hole.

Further, the fixed cylinder is fixedly connected with the pressure plate, and the fixed cylinder is movably connected with the screw.

Further, the locking circular hole is opposite to the locking groove.

Compared with the prior art, the utility model has the following beneficial effects: the design of the collet tooling fixture and the clamping column can use the plasticity and strength of the clamping column itself to clamp the circular workpiece, and then use the spring and the pressing plate to clamp the circular workpiece. With the cooperation of the spring, the pressure plate is pushed by the elastic force of the spring, so that the workpiece located in the fixing hole of the clamping column workpiece is clamped; the matching of the locking round hole, the locking groove and the locking pin can lock the pressure plate for clamping the workpiece, avoiding During processing, the pressure plate drops and the workpiece falls out; the cooperation between the screw and the screw hole inside the fixing cylinder can flexibly make the pressure plate drop and fix, and it is convenient to take out the processed workpiece; the design of two clamping columns can realize one fixture to fix two a circular workpiece to improve work efficiency.

Description of drawings

Fig. 1 is a schematic structural view of a collet tooling fixture of the present invention;

Fig. 2 is a schematic diagram of a partial cross-sectional structure of a collet clamp of the utility model;

Fig. 3 is a schematic diagram of the structure of a clamping column of a collet tooling fixture of the present invention.

In the figure: 1. Bottom plate; 2. Pressure plate; 3. Clamping column; 4. Locking round hole; 5. Spring; ; 11, screw hole; 12, locking groove; 13, locking pin; 14, groove; 15, workpiece fixing hole; 16, guide post; 17, slide rail; 18, slider.

Detailed ways

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

As shown in Figure 1-3, a spring collet tooling fixture includes a bottom plate 1, a pressure plate 2 and a spring 5, the two sides of the top of the bottom plate 1 are respectively connected to the pressure plate 2 through the spring 5, and the two ends of the pressure plate 2 are set through. There are guide pillars 16, a pair of locking round holes 4 are opened on both sides of the pressure plate 2, the inside of both ends of the pressure plate 2 are provided with clamping columns 3, the middle of the clamping column 3 is provided with a locking groove 12, and the middle of the pressure plate 2 penetrates A fixed cylinder 6 is provided, and the inside of the fixed cylinder 6 is interspersed with a screw 9, the top of the screw 9 is fixed with a screw plate 7, the middle part of the bottom end of the pressure plate 2 is provided with a protrusion 10, and the middle part of the top end of the bottom plate 1 is provided with a groove 14, The bottom of the groove 7 is provided with a screw hole 11, the bottom of the screw 9 runs through the protrusion 10 and is threadedly connected with the screw hole 11, one side of the pressing plate 2 is symmetrically provided with a slide rail 17, and the top of the slide rail 17 is slidably connected with a slider 18, The top of the slider 18 is fixed with a locking pin 13 , and the top and both sides of the bottom plate 1 are respectively provided with mounting holes 8 .

Wherein, the guide post 16 is movably connected with the pressure plate 2, and the bottom of the guide post 16 runs through the spring 5 and is fixedly connected with the base plate 1, the guide post 16 can avoid the deflection of the press plate 2, and the guide post 16 can limit the working range of the spring 5 to avoid The spring 5 is twisted.

Wherein, the top of clamping column 3 is in the state of a circular terrace, and the top of clamping column 3 is divided into four equal-body clamping blocks by two grooves, and the center of clamping column 3 top is workpiece fixing hole 15. The shape and strength of the column 3 itself can clamp the workpiece, and at the same time cooperate with the thrust of the spring 5 to make the four clamping blocks tighten up mutually to realize the clamping of the workpiece.

Wherein, the fixed cylinder 6 is fixedly connected with the pressure plate 2, and the fixed cylinder 6 is movably connected with the screw 9, and the movement of the screw plate 7 drives the movement of the fixed cylinder 6, so that the movement of the fixed cylinder 6 drives the movement of the pressure plate 2.

Wherein, the locking circular hole 4 is opposite to the locking groove 12, and the pressing plate 2 is fixed by inserting the locking pin 13.

It should be noted that the utility model is a collet tooling fixture. During the specific operation, the operator can turn the screw plate 7 with the help of a tool, so that the screw plate 7 will drive the screw 9 to move inside the screw hole 11, thereby pressing the plate 2 Start to descend to compress the spring 5. At this time, the operator can insert one end of the round workpiece to be processed into the workpiece fixing hole 15, and then loosen the screw plate 7, so that the pressure plate 2 rises. When the screw 9 passes through the screw hole 11 After disengagement, the restoring force of the spring 5 will push the pressure plate up, thereby clamping the workpiece in the workpiece fixing hole 15 of the clamping column 3, and then the operator can manually push the locking pin 13, and the locking pin 13 will pass through and lock in turn The round hole 4 and the locking groove 12, so that the position of the pressure plate 2 can be locked, so as to prevent the pressure plate 2 from falling down during the clamping process of the workpiece and cause the workpiece to fall out; after the processing is completed, the operator can manually remove the slider 18 The locking pin 13 on the top, and then turn the screw plate 7 again to lower the pressure plate 2, so that the processed workpiece can be taken out; if there are many workpieces to be processed, the operator can insert two workpieces into two The inside of the workpiece fixing hole 15 at the top of the clamping column 3 can realize that one fixture can process two workpieces, thus greatly improving the working efficiency.

The basic principles and main features of the present utility model and the advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.

Claims (5)

1. a collet tooling clamp, comprising base plate (1), pressing plate (2) and spring (5), is characterized in that, the both sides of described base plate (1) top are respectively connected with pressing plate (5) by spring (5) 2), both ends of the press plate (2) are provided with guide posts (16), and both sides of the press plate (2) are provided with a pair of locking round holes (4), the press plate (2) Both ends are provided with clamping columns (3), the middle part of the clamping column (3) is provided with a locking groove (12), and the middle part of the pressing plate (2) is provided with a fixing cylinder (6). A screw (9) is interspersed and connected inside the fixed cylinder (6), the top of the screw (9) is fixed with a screw plate (7), and the middle part of the bottom end of the pressure plate (2) is provided with a bump (10), so that The middle part of the top of the bottom plate (1) is provided with a groove (14), the bottom of the groove (14) is provided with a screw hole (11), and the bottom of the screw (9) passes through the protrusion (10) and the screw hole (11) threaded connection, one side of the pressing plate (2) is symmetrically provided with a slide rail (17), and the top of the slide rail (17) is slidably connected with a slide block (18), and the slide block (18) The top end is fixed with a locking pin (13), and the top and both sides of the bottom plate (1) are respectively provided with installation holes (8). 2. A collet clamp according to claim 1, characterized in that the guide post (16) is movably connected to the pressure plate (2), and the bottom of the guide post (16) runs through the spring (5) and The bottom plate (1) is fixedly connected. 3. A kind of collet tooling fixture according to claim 1, characterized in that, the top of the clamping column (3) is in the state of a circular terrace, and the top of the clamping column (3) is grooved by two It is divided into four equal-body clamping blocks, and the center of the top of the clamping column (3) is a workpiece fixing hole (15). 4. A collet tooling fixture according to claim 1, characterized in that, the fixed cylinder (6) is fixedly connected to the pressure plate (2), and the fixed cylinder (6) is movably connected to the screw (9). 5. A collet tooling fixture according to claim 1, characterized in that, the locking round hole (4) is opposite to the locking groove (12).