CN205571962U - Processing protector - Google Patents

Abstract

The utility model discloses a processing protection device, which comprises a fixture bottom plate, a positioning ring arranged on the fixture bottom plate, several clamping assemblies and several pressing assemblies; on the ring; the clamping assembly includes a first clamping piece and a second clamping piece perpendicular to the bottom plate of the fixture, and the first clamping piece and the second clamping piece are respectively located on the inner ring side and the On the outer ring side and distributed as a mirror image, the first clamping part and the second clamping part are used to clamp the thin wall of the workpiece. The utility model provides a processing protection device with compact structure, convenient assembly and disassembly, easy manufacture, safety, reliability and strong practicability, which is convenient for clamping and assembling, and has uniform clamping force, which can effectively prevent the deformation of thin-walled parts during the clamping process. Improve the processing accuracy; at the same time, it can effectively reduce the risk of parts loosening due to weak clamping force and detaching from the tooling during high-speed processing; the clamping is stable and the processing efficiency is high.

Description

A processing protection device

technical field

The utility model relates to a processing fixture, in particular to a processing protection device, which belongs to the technical field of mechanical processing.

Background technique

In the manufacturing of machinery industry, thin-walled parts are widely used because of their characteristics of reducing part weight and saving material costs. However, due to the poor rigidity of thin-walled parts, clamping deformation is very easy to occur during the clamping process. Especially for large thin-walled cavity parts, in the process of processing, in order to ensure the processing accuracy of the parts, the conventional clamping method cannot be used, and the clamping force can only be controlled according to the experience of the operator, so that the processing accuracy of the parts can be improved. There is no guarantee; at the same time, in the process similar to turning, due to the weak clamping force and the low rotation speed of the machine tool spindle, the processing efficiency is slow; and under the action of large radial cutting force, thin-walled parts may appear It is loose and separated from the tooling, so there is a greater potential safety hazard.

Utility model content

The main purpose of the utility model is to overcome the deficiencies in the prior art and provide a processing protection device with a new structure, which is especially suitable for parts with thin-walled cavities.

The technical problem to be solved by the utility model is to provide a processing protection device with compact structure, convenient assembly and disassembly, easy manufacture, safety and reliability, strong practicability, convenient clamping and uniform clamping force, which can greatly improve processing efficiency and processing accuracy, and The clamping is stable, so that the processed parts are not easy to be damaged and deformed, which has great industrial application value.

In order to achieve the above object, the technical solution adopted in the utility model is:

A processing protection device, comprising a fixture bottom plate, a positioning ring, several clamping assemblies and several pressing assemblies all arranged on the fixture bottom plate; the pressing assembly is used to fix the workpiece on the positioning ring; the The clamping assembly includes a first clamping part and a second clamping part perpendicular to the clamp bottom plate, the first clamping part and the second clamping part are respectively located on the inner ring side and the outer ring side of the positioning ring, and Distributed in a mirror image, the first clamping part and the second clamping part are used for clamping the thin wall of the workpiece.

The utility model is further configured as follows: the first clamping part and the second clamping part both include a protective rod, and a clamping bolt that runs through the body of the protective rod; the clamping bolt of the first clamping part and the clamping bolt of the second clamping part The clamping bolt clamps the thin wall of the workpiece by screwing in symmetrically.

The utility model is further configured as: the head of the clamping bolt is circular.

The utility model is further configured as follows: the protective bar is L-shaped, including a horizontal bar and a vertical bar connected in sequence; the horizontal bar is installed on the bottom plate of the fixture through a mounting bolt, and the clamping bolt is arranged on the top of the vertical bar.

The utility model is further configured as follows: the pressing assembly includes a pressing plate, a supporting screw, a pressing screw and a pressing nut, the pressing plate is provided with a screw hole, the bottom end of the pressing screw is connected with the bottom plate of the clamp, and the pressing screw The top of the support screw goes through the screw hole, and the compression nut is screwed into the compression screw to press the pressure plate on the workpiece and fix the workpiece on the positioning ring. The bottom end of the support screw is connected with the fixture bottom plate, and the top of the support screw is connected with The bottom surfaces of the pressing plates are connected.

The utility model is further configured as follows: the clamping components and the pressing components are evenly distributed between each other.

The utility model is further configured as follows: there are four clamping assemblies and pressing assemblies.

The utility model is further configured as: the mounting bolts are M12 bolts.

The utility model is further configured as follows: both the support screw and the compression screw are M16 bolts, and the compression nuts are M16 nuts.

The utility model is further configured as: the screw hole is a long hole.

Compared with the prior art, the utility model has the beneficial effects of:

Through the setting of the fixture base plate, positioning ring, clamping assembly and pressing assembly, the pressing assembly fixes the bottom end of the workpiece on the positioning ring, and the clamping assembly is distributed on the inner and outer ring sides of the positioning ring through mirror images The first clamping part and the second clamping part are used to clamp the thin wall of the workpiece, and the clamping force is evenly distributed, which can effectively prevent the deformation of the thin-walled part during the clamping process and improve the machining accuracy; at the same time, it can effectively reduce the parts In the process of high-speed processing, there is a risk of loosening due to weak clamping force and detachment from the tooling; moreover, the clamping is convenient, stable, safe and reliable, and can greatly improve the processing efficiency.

The above content is only an overview of the technical solution of the utility model. In order to understand the technical means of the utility model more clearly, the utility model will be further described below in conjunction with the accompanying drawings.

Description of drawings

Fig. 1 is a structural sectional view of the state of the clamped workpiece of a processing protection device of the present invention;

Fig. 2 is a three-dimensional structural schematic diagram of a processing protection device of the present invention.

detailed description

Below in conjunction with accompanying drawing of description, the utility model is described further.

As shown in Fig. 1, a kind of processing protection device comprises fixture bottom plate 1, and the locating ring 2 that is all arranged on fixture bottom plate 1, several clamping assemblies and several pressing assemblies; Said pressing assembly is used for processing The piece 10 is fixed on the positioning ring 2; the clamping assembly includes a first clamping piece and a second clamping piece which are vertically arranged with the clamp bottom plate 1, and the first clamping piece and the second clamping piece are respectively located at The inner ring side and the outer ring side of the positioning ring 2 are distributed in a mirror image, and the first clamping part and the second clamping part are used to clamp the thin wall of the workpiece 10 .

As shown in FIG. 2 , there are four clamping assemblies and pressing assemblies, which are evenly distributed in phases, so as to realize efficient clamping of the workpiece 10 of the thin-walled part type from multiple angles and all directions.

As shown in Figure 1 and Figure 2, the first clamping part and the second clamping part both include a protective rod 3, a clamping bolt 4 that runs through the body of the protective rod 3; the clamping bolt 4 of the first clamping part and The clamping bolt 4 of the second clamping part clamps the thin wall of the workpiece 10 in a symmetrical screw-in manner. Wherein, the protective bar 3 is L-shaped, including a horizontal bar 31 and a vertical bar 32 connected in sequence; the horizontal bar 31 is installed on the fixture bottom plate 1 through the mounting bolt 30, and the clamping bolt 4 is arranged on the vertical bar 32 top.

The mounting bolts 30 are M12 bolts, which are easy to match and disassemble; the head of the clamping bolt 4 is round, that is, a round head bolt, which further reduces the clamping contact surface and prevents the thin wall from being damaged during the clamping process. damaged deformation.

As shown in Figures 1 and 2, the compression assembly includes a pressure plate 5, a support screw 6, a compression screw 7 and a compression nut 8, the pressure plate 5 is provided with a screw hole 51, and the bottom of the compression screw 7 The end is connected with the fixture bottom plate 1, the top of the compression screw 7 passes through the screw hole 51, and the compression nut 8 is screwed into the compression screw 7 to press the pressure plate 5 to the bottom of the workpiece 10 to fix the workpiece 10 in position. On the ring 2 , the bottom end of the support screw 6 is connected to the bottom plate 1 of the fixture, and the top end of the support screw 6 is connected to the bottom surface of the pressing plate 5 .

Both the support screw 6 and the compression screw 7 are M16 bolts, and the compression nut 8 is an M16 nut, which is easy to match and easy to disassemble; Make minor adjustments.

The specific clamping process is: install the positioning ring 2 on the fixture bottom plate 1, and fix the positioning ring 2 on the fixture bottom plate 1 with M12 bolts; The position hole, the bottom ends of the support screw 6 and the compression screw 7 are all screwed into the corresponding position holes of the fixture bottom plate 1. When the workpiece 10 is placed in place, the pressure plate 5 is inserted into the compression screw 7, that is, through the compression screw 7 The top end of the pressure plate 5 passes through the screw hole 51 of the pressure plate 5, and the tail of the pressure plate 5 is supported by the top end of the support screw 6, and then screwed into the compression nut 8 to compress the pressure plate 5 while firmly fixing the workpiece 10 on the positioning ring 2 Above; the first clamping part and the second clamping part respectively located on the inner ring side and the outer ring side of the positioning ring 2 are installed on the fixture bottom plate 1 with mounting bolts 30, and then the clamping bolts located at the top of the respective protective rods 3 4 Clamp the thin wall of the workpiece 10 in a symmetrical screw-in manner. While realizing fast and effective clamping, the clamping force obtained by the thin-walled workpiece is evenly distributed, which can effectively prevent the deformation of the thin-walled parts during the clamping process and improve the machining accuracy; and can improve the cutting parameters of the workpiece, that is, in a relatively During high-speed processing, it can effectively reduce the risk of workpiece loosening and detaching from the tooling; the overall safety and reliability are high, and the processing efficiency is high.

The above are only preferred embodiments of the present utility model, and do not limit the utility model in any form. Although the utility model has been disclosed as above with preferred embodiments, it is not intended to limit the utility model. Any Those who are familiar with this profession, without departing from the scope of the technical solutions of the present utility model, can use the technical content disclosed above to make some changes or modify equivalent embodiments with equivalent changes, but all without departing from the technical solutions of the present utility model The content of the scheme, any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the utility model still belong to the scope of the technical solution of the utility model.

Claims (10)

1. A processing protection device, characterized in that: it comprises a clamp base plate, a positioning ring, several clamping assemblies and several pressing assemblies all arranged on the clamping base plate; the pressing assembly is used to fix the workpiece on the on the positioning ring; The clamping assembly includes a first clamping part and a second clamping part perpendicular to the bottom plate of the clamping fixture, and the first clamping part and the second clamping part are respectively located on the inner ring side and the outer ring side of the positioning ring , and are distributed as mirror images, the first clamping part and the second clamping part are used to clamp the thin wall of the workpiece. 2. A processing protection device according to claim 1, characterized in that: the first clamping part and the second clamping part both include a protective rod, a clamping bolt that passes through the body of the protective rod; the first clamping The clamping bolts of the first clamping part and the clamping bolts of the second clamping part clamp the thin wall of the workpiece in a symmetrical screw-in manner. 3. A processing protection device according to claim 2, characterized in that: the head of the clamping bolt is circular. 4. A processing protection device according to claim 2, characterized in that: the protection bar is L-shaped, comprising a horizontal bar and a vertical bar connected in sequence; the horizontal bar is installed on the fixture bottom plate through mounting bolts, The clamping bolt is arranged on the top of the pole. 5. A processing protection device according to claim 1, characterized in that: the pressing assembly includes a pressing plate, a supporting screw, a pressing screw and a pressing nut, the pressing plate is provided with a screw hole, and the pressing The bottom end of the screw rod is connected with the bottom plate of the fixture, the top end of the compression screw rod passes through the screw rod hole, and the compression nut is screwed into the compression screw rod to compress the pressure plate to the workpiece and fix the workpiece on the positioning ring. The bottom end is connected with the bottom plate of the fixture, and the top end of the supporting screw is connected with the bottom surface of the pressing plate. 6. A processing protection device according to claim 1, characterized in that: the clamping assembly and the pressing assembly are evenly distributed between phases. 7. A processing protection device according to claim 6, characterized in that there are four clamping assemblies and pressing assemblies. 8. A processing protection device according to claim 4, characterized in that: the mounting bolts are M12 bolts. 9 . A processing protection device according to claim 5 , characterized in that: both the support screw and the compression screw are M16 bolts, and the compression nuts are M16 nuts. 10. A processing protection device according to claim 5, characterized in that: the screw hole is a long hole.