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

Abstract

The invention discloses a lateral clamping mechanism for machining plate parts and a use method thereof, the lateral clamping mechanism comprises a workbench and at least two pairs of positioning components and pressing components which are detachably fixed on the workbench, at least two inverted T-shaped mounting grooves which penetrate through the upper surface of the workbench and are parallel to each other are formed in the workbench, each pair of positioning components and pressing components slide into and are fixed in the mounting grooves along two ends of one mounting groove respectively, the distance between each pair of positioning components and pressing components is configured to enable the opposite outer edges of the plate parts to be machined to be matched with the distance between each pair of positioning components and pressing components after the plate parts to be machined are horizontally placed, the overall height of the positioning components and the pressing components is lower than the height of the plate parts to be machined after the positioning components and the pressing components are horizontally placed, and the outer edges of the plate parts to be machined are clamped by the pressing components through adjustable lateral pressing devices. The invention can realize the clamping of plate parts with different external dimensions and shapes, and the clamping is stable and reliable.

Description

Lateral clamping mechanism for machining plate parts and application method thereof

Technical Field

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

Background

In the field of machining, particularly precision machining, when machining a plate-like part, a traditional clamping mode is to press two side surfaces of a flat jaw or press the surfaces by a pressing plate. However, the clamping of the flat tongs is limited by the shape and the size of the workpiece on one hand, because the opening size of the flat tongs has a certain range of values; on the other hand, the clamping force of the flat tongs is difficult to control artificially, and the ideal clamping effect cannot be achieved even if a torque wrench is adopted because the friction resistance in the opening and closing process of the flat tongs is different. The pressing surface of the pressing plate can interfere with machining, namely, collision and other risks can occur with a cutter when the position of the pressing plate cannot be machined or the surface flies.

Accordingly, those skilled in the art have focused their efforts on developing a lateral clamping mechanism for machining plate-like parts and a method of using the same.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, the present invention is to design a universal quick clamping and replacing mechanism for machining plate parts on the basis of comprehensively considering the problems of the clamping manner of the conventional plate parts, and the universal quick clamping and replacing mechanism has the advantages of simple structure, easy manufacture, low cost and versatility.

In order to achieve the above object, the invention provides a lateral clamping mechanism for machining a plate part, comprising a workbench and at least two pairs of positioning components and pressing components which are detachably fixed on the workbench, wherein at least two inverted T-shaped mounting grooves which penetrate through the upper surface of the workbench and are parallel to each other are formed in the workbench, each pair of positioning components and pressing components is configured to slide into and be fixed in the mounting groove along two ends of one of the at least two mounting grooves respectively, the distance between each pair of positioning components and pressing components is configured to enable the opposite outer edges of the plate part to be machined to be matched with the distance between each pair of positioning components and pressing components after the plate part to be machined is horizontally placed, the overall height of the positioning components and the pressing components is lower than the height of the plate part to be machined after the plate part to be horizontally placed, and the pressing components are configured to clamp the outer edges of the plate part to be machined through an adjustable lateral pressing device.

Further, the locating component includes locating component main part, locating component locking briquetting and locating component locking screw, the lower part of locating component main part for with mounting groove matched with falls T shape, locating component locking screw hole has been seted up to the outer end on the upper portion of locating component main part, the width of locating component locking briquetting is greater than the width of mounting groove, locating component locking briquetting is configured to pass through locating component locking screw in locating component locking screw hole, in order will the locating component is fixed on the workstation.

Further, the positioning assembly further comprises a positioning assembly height adjustment supporting block and a positioning assembly height adjustment supporting block set screw, a positioning block is arranged at the inner end of the upper portion of the positioning assembly main body, a positioning assembly height adjustment supporting block set screw hole is formed in the inner side of the positioning block, the positioning assembly height adjustment supporting block is configured to be screwed into the positioning assembly height adjustment supporting block set screw hole through the positioning assembly height adjustment supporting block set screw so as to fix the positioning assembly height adjustment supporting block on the positioning assembly main body, the upper surface of the positioning assembly height adjustment supporting block is lower than the upper surface of the positioning block, and the positioning assembly height adjustment supporting block is configured to support a plate part to be processed, so that the positioning surface of the positioning block is abutted to the outer edge of the plate part to be processed.

Further, the compressing assembly comprises a compressing assembly main body, a compressing assembly locking pressing block and a compressing assembly locking screw, the lower part of the compressing assembly main body is in an inverted T shape matched with the mounting groove, a compressing assembly locking screw hole is formed in the outer end of the upper part of the compressing assembly main body, the width of the compressing assembly locking pressing block is larger than that of the mounting groove, and the compressing assembly locking pressing block is configured to be screwed into the compressing assembly locking screw hole through the compressing assembly locking screw, so that the compressing assembly is fixed on the workbench.

Further, the pressing assembly further comprises a lateral pressing device, the lateral pressing device comprises a pressing screw, a wedge block, a wedge sliding block and an oil seal spring, a sliding rail and a pressing screw hole are formed in the inner end of the upper portion of the pressing assembly main body, the wedge sliding block is provided with two opposite parts, each part comprises a wedge face and a step pin arranged on the side face, the two parts are elastically connected through the oil seal spring, the step pins are arranged in a ring mode, a sliding groove is formed in the bottom of the wedge sliding block, the sliding groove is slidably connected with the sliding rail, the wedge sliding block is provided with two sides matched with the wedge face of the wedge sliding block, the wedge sliding block is screwed into the pressing screw hole through the pressing screw, the height of the wedge sliding block is adjustable, and the wedge sliding block is pushed to move along the sliding rail of the upper portion of the pressing assembly main body, so that the clamping face on the inner side of the wedge sliding block clamps the outer edge of a plate part to be processed.

Further, the compressing assembly further comprises a compressing assembly height adjusting supporting block and a compressing assembly height adjusting supporting block set screw, the compressing assembly main body is close to the inner side of the wedge-shaped sliding block and provided with a compressing assembly height adjusting supporting block set screw hole, the compressing assembly height adjusting supporting block is configured to be screwed into the compressing assembly height adjusting supporting block set screw hole through the compressing assembly height adjusting supporting block set screw so as to fix the compressing assembly height adjusting supporting block on the compressing assembly main body, the upper surface of the compressing assembly height adjusting supporting block is lower than the upper surface of the compressing block, and the compressing assembly height adjusting supporting block is configured to support the plate part to be processed, so that the clamping surface of the wedge-shaped sliding block is matched with the outer edge of the plate part to be processed.

Further, when the pressing component clamps the plate part to be processed, the wedge block is flush with the upper surface of the wedge-shaped sliding block.

Further, the clamping surface of the wedge-shaped sliding block is provided with a profiling jaw which has the same shape as the outer edge of the plate part to be processed.

Further, at least one inverted T-shaped second mounting groove penetrating through the upper surface of the workbench and parallel to each other is formed in the workbench and perpendicular to the mounting groove, at least one pair of positioning components and pressing components are configured to slide into and fix in the second mounting groove along two ends of one of the at least one second mounting groove, and the distance between the positioning components and the pressing components is configured to enable the opposite outer edges of the plate parts to be processed to be matched with the distance between the pair of positioning components and the pressing components after the plate parts to be processed are horizontally placed.

The invention also provides a use method of the lateral clamping mechanism for machining the plate parts, which comprises the following steps:

step 1, adjusting the distance between a positioning component and a compacting component according to the size of a plate part to be processed, and locking the positioning component and the compacting component on a workbench with a T-shaped groove in pairs through respective positioning component locking screws and compacting component locking screws;

step 2, selecting a proper positioning assembly height adjusting supporting block and a proper compacting assembly height adjusting supporting block according to the clamping depth required by the plate part to be processed, and locking and fixing the supporting blocks;

and 3, placing the plate part to be processed, and then locking a compression screw in the compression assembly by using a torque wrench to laterally clamp the workpiece, wherein the force for clamping the plate part to be processed is determined according to the actual working condition.

The beneficial effects of the invention are as follows: by adopting the technical scheme, the clamping of the plate parts with different overall dimensions and shapes can be realized, the clamping is stable and reliable, the clamping deformation on the workpiece in a traditional clamping mode can be reduced, the universality is high, the operation is flexible and convenient, the workpiece processing stability can be ensured, the product quality and the production efficiency are improved, and the manufacturing cost of the clamp is reduced.

The conception, specific structure, and technical effects of the present invention will be further described with reference to the accompanying drawings to fully understand the objects, features, and effects of the present invention.

Drawings

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

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

fig. 3 is a diagram showing an application example of another preferred embodiment of the present invention.

The device comprises a 100-positioning component, a 101-positioning component main body, a 102-positioning component locking press block, a 103-positioning component height adjustment supporting block, a 104-positioning component height adjustment supporting block set screw, a 105-positioning component locking screw, a 200-pressing component, a 201-pressing component main body, a 202-pressing component locking press block, a 203-pressing component locking screw, a 204-pressing screw, a 205-wedge block, a 206-wedge slide block, a 207-pressing component height adjustment supporting block set screw, a 208-pressing component height adjustment supporting block, a 209-oil seal spring, a 210-step pin, a 300-workpiece and a 400-workbench.

Detailed Description

The following description of the preferred embodiments of the present invention refers to the accompanying drawings, which make the technical contents thereof more clear and easy to understand. The present invention may be embodied in many different forms of embodiments and the scope of the present invention is not limited to only the embodiments described herein.

In the drawings, like structural elements are referred to by like reference numerals and components having similar structure or function are referred to by like reference numerals. The dimensions and thickness of each component shown in the drawings are arbitrarily shown, and the present invention is not limited to the dimensions and thickness of each component. The thickness of the components is exaggerated in some places in the drawings for clarity of illustration.

Example 1

In order to solve the problems existing in the clamping mode of the traditional plate parts, the embodiment provides a universal lateral clamping mechanism which is simple in structure, low in manufacturing cost and capable of eliminating the problems, and the universal lateral clamping mechanism is suitable for machining plate parts with different overall dimensions and shapes.

As shown in fig. 1 to 3, the device mainly comprises the following two main components: a positioning assembly 100 and a compression assembly 200.

As shown in fig. 1, the positioning assembly 100 includes:

positioning assembly body 101: it is a component which is in direct contact fit with the T-shaped groove of the table 400 (or the fixture bottom plate), and can determine its specific installation position on the table 400 according to the size of the specific workpiece 300 to be processed, and the side surface of the workpiece 300 is in contact with its positioning surface;

the positioning assembly locks the press block 102: the main function of the locking screw is to connect the locking screw with the main body 101 of the locating component and the T-shaped groove through the locking screw 105 of the locating component;

positioning assembly height adjustment support block 103: the workpiece is processed to have various different heights, and the height of the supporting block 103 is adjusted by selecting the corresponding positioning assembly according to the height required to be clamped by the workpiece 300 in actual processing;

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

positioning assembly locking screw 105: the main function is to fix the positioning assembly to the T-shaped slot of the table 400.

As shown in fig. 2, the compressing assembly 200 includes:

compression assembly body 201: it is a component that mates in direct contact with the T-shaped slot of the table 400 (or fixture floor), on which the other parts of the present assembly are mounted, which is one of the core parts of the present assembly, which can be positioned in a specific mounting location on the table 400 according to the size of the specific workpiece 300 being machined;

the hold down assembly locks the press block 202: the main function of the device is that the device is connected with the main body 201 of the compression assembly and the T-shaped groove through the locking screw 203 of the compression assembly;

compression assembly lock screw 203: the main function is to fix the positioning component with the T-shaped slot of the workbench 400;

compression screw 204: the main function is to screw the compression screw 204 and compress other accessories at the same time so as to compress the workpiece 300, wherein the tightening force can be well controlled by adopting a torque wrench;

wedge 205: the locking force is mainly transmitted to wedge-shaped sliding blocks 206 on two sides under the action of a compression screw 204, so that the transmission direction of the force is changed;

wedge sled 206: the main function of the workpiece is to change the transmission direction of force by cooperating with the wedge-shaped block 205, so as to press the side surface of the workpiece 300, and the workpiece can slide left and right on the pressing assembly main body 201 by virtue of the T-shaped groove on the bottom surface;

compression assembly height adjustment support block set screw 207: which mainly functions to fix the pressing assembly height adjustment support block 208;

compression assembly height adjustment support block 208: the workpiece is processed to have various different heights, and the height of the supporting block 208 is adjusted by selecting the height of the corresponding pressing assembly according to the height required to be clamped by the workpiece 300 in actual processing;

oil seal spring 209: it mainly plays a role of tightening the wedge-shaped slide block 206, and when the compression screw 204 is loosened, the wedge-shaped slide block 206 moves towards the middle under the action of the tension force of the oil seal spring 209 and pushes the wedge-shaped block 205 to move upwards through the wedge surface;

step pin 210: the function of the device is to fix the oil seal spring 209 and prevent the oil seal spring from falling off.

Example 2

The embodiment is realized by the following technical scheme:

as shown in fig. 1 to 3, the lateral clamping mechanism for machining the plate parts comprises two parts, namely a positioning assembly and a pressing assembly. The positioning assembly 100 comprises a positioning assembly main body 101, a positioning assembly locking press block 102, a positioning assembly height adjustment supporting block 103, a positioning assembly height adjustment supporting block set screw 104 and a positioning assembly locking screw 105; the packing assembly 200 includes a packing assembly body 201, a packing assembly locking press block 202, a packing assembly locking screw 203, a packing screw 204, a wedge block 205, a wedge slider 206, a packing assembly height adjustment support block set screw 207, a packing assembly height adjustment support block 208, an oil seal spring 209, and a step pin 210.

During operation, the positioning assembly 100 and the pressing assembly 200 are adjusted according to the size of the workpiece 300, and are locked on the workbench 400 (or the clamp bottom plate) with the T-shaped groove in pairs through the respective positioning assembly locking screw 105 and the pressing assembly locking screw 203, then the proper positioning assembly height adjusting supporting block 103 and the pressing assembly height adjusting supporting block 208 are selected according to the required clamping depth and locked and fixed, then the workpiece 300 is placed into the workpiece 300 and then the pressing screw 204 in the pressing assembly 200 is locked, so that the workpiece can be clamped laterally, the force for pressing the workpiece 300 is determined according to the actual working condition, and the torque wrench can be used for locking the pressing screw 204. It is also preferable to ensure that the wedge 205 is substantially flush with the upper surface of the wedge sled 206 in the compressed state (which can be adjusted by adjusting the side-to-side position of the compression assembly 200) to prevent interference with the tool during processing of the outer edge of the workpiece 300. Conversely, the clamping of the workpiece 300 may be released by loosening the compression screw 204 in the compression assembly 200. In addition, the mechanism can also clamp the special-shaped workpiece by adding the profiling jaw which has the same shape as the outer edge of the workpiece 300 on the side, which is contacted with the workpiece 300, of the wedge-shaped sliding block 206 in the pressing assembly 200, and the profiling jaw can be fixed with the profiling jaw through screws on the side surface of the wedge-shaped sliding block 206, so that the application range of the mechanism is greatly expanded.

The foregoing describes in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be made in accordance with the concepts of the invention without requiring creative effort by one of ordinary skill in the art. Therefore, all technical solutions which can be obtained by logic analysis, reasoning or limited experiments based on the prior art by the person skilled in the art according to the inventive concept shall be within the scope of protection defined by the claims.

Claims (10)

1. The side clamping mechanism for machining the plate parts is characterized by comprising a workbench and at least two pairs of positioning assemblies and pressing assemblies, wherein the positioning assemblies and the pressing assemblies are detachably fixed on the workbench, at least two inverted T-shaped mounting grooves penetrating through the upper surface of the workbench and parallel to each other are formed in the workbench, each pair of positioning assemblies and pressing assemblies is configured to slide into and be fixed in the mounting grooves along two ends of one of the mounting grooves, the distance between each pair of positioning assemblies and the pressing assemblies is configured to enable the outer edge of the plate part to be machined to be matched with the distance between each pair of positioning assemblies and the pressing assemblies after the plate part to be machined is flatly placed, and the overall height of each positioning assembly and the corresponding pressing assembly is lower than the height of the plate part to be machined after the plate part to be machined is flatly placed, and the pressing assemblies are configured to clamp the outer edge of the plate part to be machined through an adjustable side pressing device.

2. The lateral clamping mechanism for machining a plate-like part according to claim 1, wherein the positioning assembly comprises a positioning assembly main body, a positioning assembly locking pressing block and a positioning assembly locking screw, the lower portion of the positioning assembly main body is of an inverted T shape matched with the mounting groove, a positioning assembly locking screw hole is formed in the outer end of the upper portion of the positioning assembly main body, the width of the positioning assembly locking pressing block is larger than that of the mounting groove, and the positioning assembly locking pressing 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 machining a plate-like part according to claim 2, wherein the positioning assembly further comprises a positioning assembly height adjustment support block and a positioning assembly height adjustment support block set screw, a positioning block is arranged at the inner end of the upper portion of the positioning assembly main body, a positioning assembly height adjustment support block set screw hole is formed in the inner side of the positioning block, 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 fix the positioning assembly height adjustment support block on the positioning assembly main body, the upper surface of the positioning assembly height adjustment support block is lower than the upper surface of the positioning block, and the positioning assembly height adjustment support block is configured to support the plate-like part to be machined so that the positioning surface of the positioning block abuts against the outer edge of the plate-like part to be machined.

4. The lateral clamping mechanism for machining of plate parts according to claim 1, wherein the pressing assembly comprises a pressing assembly main body, a pressing assembly locking pressing block and a pressing assembly locking screw, the lower portion of the pressing assembly main body is of an inverted T shape matched with the mounting groove, a pressing assembly locking screw hole is formed in the outer end of the upper portion of the pressing assembly main body, the width of the pressing assembly locking pressing block is larger than that of the mounting groove, and the pressing assembly locking pressing block is configured to be screwed into the pressing assembly locking screw hole through the pressing assembly locking screw so as to fix the pressing assembly on the workbench.

5. The lateral clamping mechanism for machining a plate-like part according to claim 4, wherein the pressing assembly further comprises a lateral pressing device including a pressing screw, a wedge block and an oil seal spring, the inner end of the upper portion of the pressing assembly body is provided with a slide rail and a pressing screw hole, the wedge block has two opposite parts, each part includes an opposite wedge surface and a step pin provided at a side surface, the two parts are elastically connected by the oil seal spring provided around the step pin, the bottom of the wedge block is provided with a slide groove, the slide groove is slidably connected with the slide rail, the wedge block has two sides matched with the wedge surface of the wedge block, and is configured to be screwed into the pressing screw hole by the pressing screw so that the height of the wedge block is adjustable to push the wedge block to move along the slide rail of the upper portion of the pressing assembly body, thereby the clamping surface inside the wedge block clamps the outer edge of the plate-like part to be machined.

6. The lateral clamping mechanism for machining a plate-like part according to claim 5, wherein the pressing assembly further comprises a pressing assembly height adjustment support block and a pressing assembly height adjustment support block set screw, the pressing assembly body is provided with a pressing assembly height adjustment support block set screw hole near the inner side of the wedge-shaped sliding block, the pressing assembly height adjustment support block is configured to be screwed into the pressing assembly height adjustment support block set screw hole through the pressing assembly height adjustment support block set screw so as to fix the pressing assembly height adjustment support block on the pressing assembly body, the upper surface of the pressing assembly height adjustment support block is lower than the upper surface of the pressing block, and the pressing assembly height adjustment support block is configured to support the plate-like part to be machined so that the clamping surface of the wedge-shaped sliding block is matched with the outer edge of the plate-like part to be machined.

7. The lateral clamping mechanism for machining a plate-like part according to claim 6, wherein the wedge block is flush with the upper surface of the wedge-shaped slider when the pressing assembly clamps the plate-like part to be machined.

8. The lateral clamping mechanism for machining a plate-like part according to claim 6, wherein the clamping surface of the wedge-shaped slider is provided with a profiling jaw having the same shape as the outer edge of the plate-like part to be machined.

9. The lateral clamping mechanism for machining a plate-like part according to claim 1, wherein at least one inverted-T-shaped second mounting groove penetrating through the upper surface of the table and parallel to each other is formed in the table perpendicularly to the mounting groove, at least one pair of positioning members and pressing members are configured to slide into and be fixed in the second mounting groove along both ends of one of the at least one second mounting groove, respectively, and a distance between the positioning members and the pressing members is configured to match a distance between opposite outer edges of the plate-like part to be machined and the pair of positioning members and the pressing members after the plate-like part to be machined is laid flat.

10. The application method of the lateral clamping mechanism for machining the plate parts is characterized by comprising the following steps of:

step 1, adjusting the distance between a positioning component and a compacting component according to the size of a plate part to be processed, and locking the positioning component and the compacting component on a workbench with a T-shaped groove in pairs through respective positioning component locking screws and compacting component locking screws;

step 2, selecting a proper positioning assembly height adjusting supporting block and a proper compacting assembly height adjusting supporting block according to the clamping depth required by the plate part to be processed, and locking and fixing the supporting blocks;

and 3, placing the plate part to be processed, and then locking a compression screw in the compression assembly by using a torque wrench to laterally clamp the workpiece, wherein the force for clamping the plate part to be processed is determined according to the actual working condition.

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