CN116079455A - Lateral clamping mechanism for machining plate parts and application method thereof - Google Patents

Abstract

The invention discloses a lateral clamping mechanism for mechanical processing of plate parts and its use method, which comprises a worktable and at least two pairs of positioning components and pressing components detachably fixed on the workbench. Two inverted T-shaped mounting grooves that run through the upper surface of the workbench and are parallel to each other. Each pair of positioning components and pressing components slides into and is fixed in the mounting groove along the two ends of a mounting groove. Each pair of positioning components The distance between the component and the pressing component is configured so that after the plate part to be processed is laid flat, the opposite outer edges of the plate part to be processed match the distance between each pair of positioning components and the pressing component, The overall height of the positioning component and the pressing component is lower than the height of the plate parts to be processed after being laid flat, and the pressing component clamps the outer edge of the plate parts to be processed through an adjustable lateral pressing device. The invention can realize the clamping of plate parts with different external dimensions and shapes, and the clamping is stable and reliable.

Description

A lateral clamping mechanism for mechanical processing of plate parts and its use method

technical field

The invention relates to the technical field of machining fixtures, in particular to a lateral clamping mechanism for machining plate parts and a method for using the same.

Background technique

In the field of mechanical processing, especially in precision machining, when processing plate parts, the traditional clamping method is to clamp both sides with flat jaws or press the upper surface with a pressure plate. However, on the one hand, the clamping of the vise is restricted by the shape and size of the workpiece, because the opening size of the vise has a certain range of values; The magnitude of the existing frictional resistance is different, so even if a torque wrench is used, the ideal clamping effect cannot be achieved. Pressing the upper surface with the pressure plate will interfere with the processing, that is, the position of the pressure plate cannot be processed or there may be risks such as collision with the tool when the surface is flying.

Therefore, those skilled in the art are devoting themselves to developing a lateral clamping mechanism for machining plate parts and its usage method.

Contents of the invention

In view of the above-mentioned defects of the prior art, the technical problem to be solved by the present invention is how to design a universal fast The clamping and changing mechanism has the advantages of simple structure, easy manufacture, low cost and universal use.

In order to achieve the above object, the present invention provides a lateral clamping mechanism for mechanical processing of plate parts, including a workbench and at least two pairs of positioning assemblies and pressing assemblies detachably fixed on the workbench. There are at least two inverted T-shaped mounting grooves running through the upper surface of the workbench and parallel to each other on the table, and each pair of the positioning assembly and the pressing assembly in the at least two pairs of positioning assemblies and pressing assemblies is configured In order to slide into and be fixed in the installation groove along both ends of one of the at least two installation grooves, the distance between each pair of positioning components and the pressing components is configured to make the plate to be processed After the parts are placed flat, make the opposite outer edges of the plate parts to be processed match the distance between each pair of positioning components and the pressing components, the overall height of the positioning components and the pressing components is lower than After the height of the plate parts to be processed, the pressing assembly is configured to clamp the outer edge of the plate parts to be processed through an adjustable lateral pressing device.

Further, the positioning assembly includes a positioning assembly main body, a positioning assembly locking pressure block and a positioning assembly locking screw, the lower part of the positioning assembly main body is an inverted T shape matched with the installation groove, and the positioning assembly main body The upper outer end of the positioning assembly is provided with a positioning assembly locking screw hole, the width of the positioning assembly locking pressing block is larger than the width of the installation groove, and the positioning assembly locking pressing block is configured to be locked by the positioning assembly A screw is screwed into the locking screw hole of the positioning assembly to fix the positioning assembly on the workbench.

Further, the positioning assembly also includes a positioning assembly height adjustment support block and a positioning assembly height adjustment support block set screw, the upper inner end of the positioning assembly main body is provided with a positioning block, and the inner side of the positioning block is provided with a positioning Assembly height adjustment support block set screw hole, the positioning assembly height adjustment support block is configured to be screwed into the positioning assembly height adjustment support block set screw hole through the positioning assembly height adjustment support block set screw, so as to The height adjustment support block of the positioning assembly is fixed on the main body of the positioning assembly, the upper surface of the height adjustment support block of the positioning assembly is lower than the upper surface of the positioning block, and the height adjustment support block of the positioning assembly is configured to support The plate part to be processed makes the positioning surface of the positioning block abut against the outer edge of the plate part to be processed.

Further, the compression assembly includes a compression assembly main body, a compression assembly locking block, and a compression assembly locking screw. The lower part of the compression assembly body is an inverted T shape that matches the installation groove. The outer end of the upper part of the main body of the pressing assembly is provided with a locking screw hole of the pressing assembly, the width of the locking block of the pressing assembly is larger than the width of the installation groove, and the locking block of the pressing assembly is It is configured to screw the locking screw of the pressing assembly into the locking screw hole of the pressing assembly, so as to fix the pressing assembly on the workbench.

Further, the pressing assembly also includes a lateral pressing device, which includes a pressing screw, a wedge block, a wedge slider and an oil seal spring, and the inner end of the upper part of the main body of the pressing assembly is set There are slide rails and pressing screw holes, and the wedge-shaped slider has two opposite parts, each of which includes opposite wedge-shaped surfaces and stepped pins arranged on the sides, and the two parts are arranged on the stepped pins through a ring. The oil seal spring is elastically connected, and the bottom of the wedge-shaped slider is provided with a chute, which is slidably connected with the slide rail through the chute, and the wedge-shaped block has two wedge-shaped surfaces matched with the wedge-shaped slider. side, and is configured to screw the compression screw into the compression screw hole so that the height of the wedge block can be adjusted to push the wedge slider to move along the slide rail on the upper part of the compressed component body , so that the clamping surface inside the wedge-shaped slider clamps the outer edge of the plate part to be processed.

Further, the pressing assembly also includes a height adjustment support block of the pressing assembly and a set screw of the supporting block height adjustment of the pressing assembly. The set screw hole of the support block, the height adjustment support block of the pressing assembly is configured to be screwed into the set screw hole of the height adjustment support block of the pressing assembly through the set screw of the height adjustment support block of the pressing assembly, so as to The height adjustment support block of the compression assembly is fixed on the main body of the compression assembly, the upper surface of the height adjustment support block of the compression assembly is lower than the upper surface of the compression block, and the height adjustment support of the compression assembly The block is configured to support the plate part to be machined such that the clamping face of said wedge slide cooperates with the outer edge of the plate part to be machined.

Further, when the pressing assembly clamps the plate parts to be processed, the wedge block is flush with the upper surface of the wedge slide block.

Further, the clamping surface of the wedge-shaped slider is provided with profiling jaws having the same shape as the outer edge of the plate part to be processed.

Further, at least one inverted T-shaped second installation groove penetrating through the upper surface of the worktable and parallel to each other is provided on the workbench perpendicular to the installation groove, and at least one pair of positioning components and pressing components It is configured to slide into and be fixed in the second installation groove along two ends of one of the at least one second installation groove, and the distance between the positioning component and the pressing component is configured to be processed After the plate parts are placed flat, the opposite outer edges of the plate parts to be processed are matched with the distance between the pair of positioning components and the pressing component.

The present invention also provides a method for using a lateral clamping mechanism for machining plate parts, comprising the following steps:

Step 1. Adjust the distance between the positioning assembly and the pressing assembly according to the size of the plate parts to be processed, and lock them in pairs on the working table with T-shaped slots through the respective positioning assembly locking screws and pressing assembly locking screws. on stage;

Step 2. According to the clamping depth of the plate parts to be processed, select the appropriate height adjustment support block of the positioning component and the height adjustment support block of the compression component, and lock and fix it;

Step 3. Put in the plate parts to be processed and then use a torque wrench to tighten the compression screw in the compression assembly to clamp the workpiece laterally. The force for clamping the plate parts to be processed is determined according to the actual working conditions.

The beneficial effects of the present invention are: by adopting the above technical solution, the clamping of plate parts with different dimensions and shapes can be realized, the clamping is stable and reliable, and the damage to the workpiece generated by the traditional clamping method can be reduced. Clamping deformation, strong versatility, flexible and convenient operation, thereby ensuring the stability of workpiece processing, improving product quality and production efficiency, and reducing the manufacturing cost of the fixture.

The idea, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings, so as to fully understand the purpose, features and effects of the present invention.

Description of drawings

Fig. 1 is an exploded view of a positioning assembly of a preferred embodiment of the present invention;

Fig. 2 is an exploded view of a compression assembly of a preferred embodiment of the present invention;

Fig. 3 is an application example diagram of another preferred embodiment of the present invention.

Among them, 100-positioning assembly, 101-main body of positioning assembly, 102-locking pressure block of positioning assembly, 103-height adjustment support block of positioning assembly, 104-set screw of height adjustment support block of positioning assembly, 105-locking screw of positioning assembly , 200-compression component, 201-compression component main body, 202-compression component locking briquetting block, 203-compression component locking screw, 204-compression screw, 205-wedge block, 206-wedge slider, 207-press assembly height adjustment support block set screw, 208-press assembly height adjustment support block, 209-oil seal spring, 210-step pin, 300-workpiece, 400-workbench.

Detailed ways

The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.

Example 1

In order to solve the problems existing in the clamping method of traditional plate parts, this embodiment provides a general-purpose lateral clamping mechanism with simple structure, low manufacturing cost and can eliminate the above-mentioned problems, which is suitable for processing different shapes and sizes and Shaped plate parts.

As shown in FIGS. 1 to 3 , it mainly includes the following two components: a positioning assembly 100 and a pressing assembly 200 .

As shown in Figure 1, the positioning assembly 100 includes:

Positioning component main body 101: it is a component that directly contacts and cooperates with the T-shaped groove of the workbench 400 (or fixture bottom plate), and its specific installation position on the workbench 400 can be determined according to the size of the workpiece 300 to be processed. 300 side contact with its positioning surface;

Positioning assembly locking press block 102: its main function is to connect it with the positioning assembly main body 101 and the T-shaped slot through the positioning assembly locking screw 105;

Positioning component height adjustment support block 103: This part is processed with a variety of different heights. In actual processing, the height of the corresponding positioning component height adjustment support block 103 is selected according to the height of the workpiece 300 to be clamped;

Positioning assembly height adjustment support block set screw 104: its main function is to fix the positioning assembly height adjustment support block 103;

Positioning component locking screw 105 : its main function is to fix the positioning component and the T-shaped slot of the workbench 400 .

As shown in Figure 2, the compression assembly 200 includes:

Compression component main body 201: it is a component that directly contacts and cooperates with the T-shaped groove of the workbench 400 (or fixture bottom plate). Other parts of this component are installed on it. It is one of the core components of this component. It can determine its specific installation position on the workbench 400 according to the size of the specific processed workpiece 300;

Compression assembly locking block 202: its main function is to connect it with the compression assembly main body 201 and the T-shaped slot through the compression assembly locking screw 203;

Compression component locking screw 203: its main function is to fix the positioning component and the T-shaped slot of the workbench 400;

Compression screw 204: its main function is to tighten the compression screw 204 and compress other accessories at the same time, so as to play the role of compressing the workpiece 300. Here, a torque wrench can be used to tighten it to control the locking force well;

Wedge block 205: This part mainly transmits the locking force to the wedge-shaped sliders 206 on both sides under the action of the compression screw 204, changing the direction of force transmission;

Wedge-shaped slider 206: the main function of this piece is to cooperate with the wedge-shaped block 205 to change the transmission direction of the force, and to press the side of the workpiece 300, which can slide left and right on the main body 201 of the pressing assembly by relying on the T-shaped groove on the bottom surface;

Compression assembly height adjustment support block set screw 207: its main function is to fix the compression assembly height adjustment support block 208;

Pressing assembly height adjustment support block 208: This piece is processed with a variety of different heights. In actual processing, the height of the corresponding pressing assembly height adjustment support block 208 is selected according to the height of the workpiece 300 to be clamped;

Oil seal spring 209: It mainly plays the role of tightening the wedge-shaped slider 206. When the compression screw 204 is loosened, the wedge-shaped slider 206 moves to the middle under the tension of the oil seal spring 209 and pushes the wedge-shaped block 205 to move upward through the wedge-shaped surface ;

Step pin 210: its function is to fix the oil seal spring 209 and prevent it from coming off.

Example 2

This embodiment is realized through the following technical solutions:

As shown in Figures 1 to 3, a lateral clamping mechanism for machining plate parts includes two parts: a positioning component and a pressing component. Wherein the positioning assembly 100 includes a positioning assembly main body 101, a positioning assembly locking pressure block 102, a positioning assembly height adjustment support block 103, a positioning assembly height adjustment support block set screw 104 and a positioning assembly locking screw 105; the pressing assembly 200 includes a pressing Compression assembly main body 201, compression assembly locking briquetting block 202, compression assembly locking screw 203, compression screw 204, wedge block 205, wedge slider 206, compression assembly height adjustment support block set screw 207, compression Assembly height adjustment support block 208, oil seal spring 209 and stepped pin 210.

When working, adjust the distance between the positioning assembly 100 and the pressing assembly 200 according to the size of the workpiece 300, and lock them in pairs on the workbench containing the T-shaped slot through the respective positioning assembly locking screws 105 and pressing assembly locking screws 203 400 (or fixture bottom plate), then select a suitable positioning component height adjustment support block 103 and a pressing component height adjustment support block 208 according to the required clamping depth and lock and fix them, then put the workpiece 300 and then lock and compress The compression screw 204 in the assembly 200 can clamp the workpiece laterally. The force for pressing the workpiece 300 is determined according to the actual working conditions, and the compression screw 204 can be locked with a torque wrench. In addition, it is best to ensure that the wedge block 205 is substantially flush with the upper surface of the wedge slide block 206 (here can be adjusted by adjusting the left and right positions of the compression assembly 200) during the compression state, so as to prevent the workpiece 300 from colliding with the outer edge of the workpiece 300. Tool interferes. Otherwise, the clamping of the workpiece 300 can be released by loosening the clamping screw 204 in the clamping assembly 200 . In addition, this mechanism can also realize the clamping of special-shaped workpieces by adding a profiling jaw with the same shape as the outer edge of the workpiece 300 on the side where the wedge-shaped slider 206 contacts the workpiece 300 in the pressing assembly 200, and the profiling jaws It can be fixed with the screw on the side of the wedge-shaped slider 206, thereby greatly expanding the application range of this mechanism.

The preferred specific embodiments of the present invention have been described in detail above. It should be understood that those skilled in the art can make many modifications and changes according to the concept of the present invention without creative efforts. Therefore, all technical solutions that can be obtained by those skilled in the art based on the concept of the present invention through logical analysis, reasoning or limited experiments on the basis of the prior art shall be within the scope of protection defined by the claims.

Claims (10)

1. A lateral clamping mechanism for mechanical processing of plate parts, characterized in that it includes a workbench and at least two pairs of positioning assemblies and pressing assemblies detachably fixed on the workbench, and the workbench is provided with There are at least two inverted T-shaped installation grooves running through the upper surface of the workbench and parallel to each other. The two ends of one of the at least two installation grooves are slid into and fixed in the installation groove, and the distance between each pair of positioning components and pressing components is configured to lay the plate parts to be processed flat Finally, make the opposite outer edges of the plate parts to be processed match the distance between each pair of positioning components and the pressing components, and the overall height of the positioning components and the pressing components is lower than that of the to-be-laid flat parts. The height of the plate parts to be processed, the pressing assembly is configured to clamp the outer edge of the plate parts to be processed through an adjustable lateral pressing device. 2. The lateral clamping mechanism for machining plate parts according to claim 1, wherein the positioning assembly includes a positioning assembly main body, a positioning assembly locking block and a positioning assembly locking screw, and the positioning assembly The lower part of the main body of the assembly is an inverted T shape matched with the installation groove, and the outer end of the upper part of the main body of the positioning assembly is provided with a locking screw hole of the positioning assembly, and the width of the locking pressure block of the positioning assembly is larger than that of the installation The width of the slot, the positioning assembly locking block is configured to be screwed into the positioning assembly locking screw hole through the positioning assembly locking screw, so as to fix the positioning assembly on the workbench. 3. The lateral clamping mechanism for mechanical processing of plate parts as claimed in claim 2, wherein the positioning assembly also includes a height adjustment support block of the positioning assembly and a set screw for the height adjustment support block of the positioning assembly, the The inner end of the upper part of the main body of the positioning assembly is provided with a positioning block, and the inner side of the positioning block is provided with a set screw hole of the height adjustment support block of the positioning assembly, and the height adjustment support block of the positioning assembly is configured to be adjusted by the height of the positioning assembly. The set screw of the support block is screwed into the set screw hole of the height adjustment support block of the positioning assembly to fix the height adjustment support block of the positioning assembly on the main body of the positioning assembly, and the upper surface of the height adjustment support block of the positioning assembly Below the upper surface of the positioning block, the height adjustment support block of the positioning assembly is configured to support the plate part to be processed, so that the positioning surface of the positioning block abuts against the outer edge of the plate part to be processed. 4. The lateral clamping mechanism for mechanical processing of plate parts according to claim 1, wherein the pressing assembly comprises a main body of the pressing assembly, a locking block of the pressing assembly, a locking screw of the pressing assembly , the lower part of the main body of the pressing assembly is an inverted T shape matched with the installation groove, and the outer end of the upper part of the main body of the pressing assembly is provided with a locking screw hole of the pressing assembly, and the locking assembly is locked The width of the pressing block is greater than the width of the installation groove, and the locking pressing block of the pressing assembly is configured to be screwed into the locking screw hole of the pressing assembly through the locking screw of the pressing assembly to lock the pressing assembly. The tight assembly is fixed on the workbench. 5. The lateral clamping mechanism for machining plate parts as claimed in claim 4, wherein the clamping assembly further comprises a lateral clamping device, and the lateral clamping device comprises a clamping screw, Wedge block, wedge-shaped slider and oil seal spring, the upper inner end of the main body of the pressing assembly is provided with slide rails and pressing screw holes, the wedge-shaped sliding block has two opposite parts, and each part includes opposite wedge-shaped surfaces and the stepped pin arranged on the side, the two parts are elastically connected by the oil seal spring ring set on the stepped pin, the bottom of the wedge-shaped slider is provided with a chute, through which the chute and the chute Rails are slidably connected, and the wedge block has two sides that cooperate with the wedge-shaped surface of the wedge-shaped slider, and is configured to be screwed into the compression screw hole by the compression screw so that the height of the wedge block can be adjusted , so as to push the wedge-shaped slider to move along the upper slide rail of the pressed component body, so that the clamping surface inside the wedge-shaped slider clamps the outer edge of the plate part to be processed. 6. The lateral clamping mechanism for machining plate parts according to claim 5, wherein the pressing assembly further includes a height adjustment support block of the pressing assembly and a set screw of the height adjustment support block of the pressing assembly , the inner side of the main body of the pressing assembly close to the wedge-shaped slider is provided with a set screw hole for the height adjustment support block of the pressing assembly, and the height adjusting support block of the pressing assembly is configured to be supported by the height adjustment of the pressing assembly The block set screw is screwed into the set screw hole of the height adjustment support block of the compression assembly to fix the height adjustment support block of the compression assembly on the main body of the compression assembly, and the height adjustment support block of the compression assembly The upper surface of the pressing block is lower than the upper surface of the pressing block, and the height adjustment support block of the pressing assembly is configured to support the plate parts to be processed, so that the clamping surface of the wedge-shaped slider is in line with the plate parts to be processed outside edge to match. 7. The lateral clamping mechanism for machining plate parts according to claim 6, wherein when the clamping assembly clamps the plate parts to be processed, the wedge block and the wedge slide The upper surface of the block is even. 8. The lateral clamping mechanism for machining plate parts according to claim 6, characterized in that, the clamping surface of the wedge-shaped slider is provided with a profiling that is the same shape as the outer edge of the plate part to be processed. Jaws. 9. The lateral clamping mechanism for machining plate parts according to claim 1, characterized in that at least one upper surface penetrating through the workbench is provided on the workbench perpendicular to the installation groove In the inverted T-shaped second installation grooves parallel to each other, at least one pair of positioning components and pressing components are configured to slide into and be fixed on the two ends of one of the at least one second installation groove respectively. In the installation groove, the distance between the positioning assembly and the pressing assembly is configured such that after the plate parts to be processed are placed flat, the opposite outer edges of the plate parts to be processed are aligned with the pair of positioning assemblies and the pressing assembly. Match the distance between components. 10. A method for using a lateral clamping mechanism for mechanical processing of plate parts, characterized in that it comprises the following steps: Step 1. Adjust the distance between the positioning assembly and the pressing assembly according to the size of the plate parts to be processed, and lock them in pairs on the working table with T-shaped slots through the respective positioning assembly locking screws and pressing assembly locking screws. on stage; Step 2. According to the clamping depth of the plate parts to be processed, select the appropriate height adjustment support block of the positioning component and the height adjustment support block of the compression component, and lock and fix it; Step 3. Put in the plate parts to be processed and then use a torque wrench to tighten the compression screw in the compression assembly to clamp the workpiece laterally. The force for clamping the plate parts to be processed is determined according to the actual working conditions.

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