Multi-point type platform rapid positioning, aligning and clamping tool

Abstract

The invention discloses a multi-point platform rapid positioning, aligning and clamping tool which is characterized in that the multi-point platform rapid positioning, aligning and clamping tool is designed according to the specific structure and size of a required workpiece product; according to the designed multi-point platform rapid positioning, aligning and clamping tool, a rapid positioning and aligning modular tool which is easy to clamp and position is designed and manufactured; according to the rapid positioning and aligning modular tool manufactured through the design, workpiece products are clamped, and the characteristics of thin plate products of different sizes are machined by replacing the rapid-assembly positioning blocks. Through the technical means of designing the multi-point type platform rapid positioning pin, designing and manufacturing a workpiece product modular tool and the like, the problems that the workpiece product is difficult to clamp, fix and align are effectively solved, and high-efficiency machining of the workpiece product is achieved.

Description

Technical Field

[0001] The invention belongs to the technical field of mechanical processing, and in particular relates to a multi-point platform for rapid positioning and alignment of a clamping tool. Background Art

[0002] The workpiece is not easy to clamp and fix during the processing, and it is difficult to align. It is easy to mill and move, and the processing efficiency is low. The multi-point platform quick positioning and alignment clamping tooling is a tooling made to facilitate the processing of workpiece products. The processing tooling should be simple and compact in structure, easy to operate, labor-saving and safe. During the processing, the tooling should be able to reliably fix the workpiece without moving. The finished slots, holes and other feature sizes are qualified and the position is correct, without milling and deviation. Summary of the invention

[0003] The technical problem solved by the present invention is: to overcome the deficiencies of the prior art and provide a multi-point platform for rapid positioning and alignment clamping tooling. The present invention adopts the clamping tooling to rapidly position and align batch workpieces, thereby facilitating batch parts processing.

[0004] The technical solution adopted by the present invention is:

[0005] The present invention discloses a multi-point platform rapid positioning, alignment and clamping tool, comprising: a tool base, positioning pins and a serrated pressure plate assembly; wherein the tool base is a flat plate structure, and a plurality of threaded holes and pin positioning holes are evenly distributed on the upper surface; the positioning pins are installed in the pin positioning holes, and the spacing between the positioning pins is adjusted according to the size of the workpiece to position the workpiece to be installed; the serrated pressure plate assembly is height-adjusted according to the thickness of the workpiece, and the workpiece is fixed and clamped on the tool base.

[0006] Furthermore, in the above-mentioned tooling, the serrated pressure plate assembly includes a locking screw, a serrated upper pressure plate and a serrated lower support block, wherein the serrated upper pressure plate is connected to the serrated lower support block; the serrated upper pressure plate is provided with a through hole; the locking screw passes through the through hole and is connected to the threaded hole on the tooling base, so that the serrated upper pressure plate presses the workpiece to be installed onto the tooling base.

[0007] Furthermore, in the above-mentioned tooling, the serrated lower support block has a triangular longitudinal section; the upper serrations are arranged on the hypotenuse of the triangle; the lower serrations are arranged on the contact surface between the serrated upper pressure plate and the serrated lower support block, and are fixed with the upper serrations; by adjusting the position of the serrated upper pressure plate on the upper serrations, the serrated upper pressure plate can adapt to different thicknesses of workpieces to be installed.

[0008] Furthermore, in the above-mentioned tooling, the positioning pin is connected to the tooling base and is in contact with the workpiece.

[0009] Furthermore, in the above tooling, the pin hole is φ6.0~φ7.0.

[0010] Furthermore, in the above-mentioned tooling, the through hole is elliptical; the length of the ellipse is greater than the diameter of the locking screw; and the contact area between the serrated upper pressure plate and the workpiece to be installed is adjusted by the position of the locking screw on the through hole.

[0011] Furthermore, in the above-mentioned tooling, the positioning position of the positioning pin is adjusted according to the size of the workpiece to be installed.

[0012] Furthermore, in the above-mentioned tooling, the clamping of special-shaped workpieces is achieved by using different hole positions on the tooling base.

[0013] The beneficial effects of the present invention compared to the prior art are as follows:

[0014] (1) The present invention solves the problems of large number of such workpieces, easy milling of pneumatic suction cups, and frequent clamping and alignment. The clamping tooling and processing technology provided by the present invention can be used for rapid clamping and alignment, and can be applied to workpieces of different lengths, widths, and heights, effectively reducing the difficulty of clamping and alignment of such workpieces and significantly improving processing efficiency.

[0015] (2) The present invention designs a quick-install positioning pin, which fully considers the symmetry and easy clamping characteristics based on the structure of the workpiece product, is easy to clamp and fix and process subsequently, and ensures that other clamping sections can be obtained by rotating 180° in the space axis.

[0016] (3) The present invention designs and manufactures a modular tooling for workpiece products that is easy to clamp, position and align based on the quick-install positioning pins. The tooling has fastening and adjustment functions and can adapt to workpieces of different lengths, widths and heights in the workpiece products, which is more conducive to subsequent clamping and alignment.

[0017] (4) The present invention adopts a modular tooling for designing and manufacturing workpiece products. By changing the spatial axial clamping direction and rotating 180° each time, other surfaces on the product at different workstations can be processed to complete the processing of the product at different workstations.

[0018] (5) The present invention adopts a clamping tool to quickly locate and align batch workpieces, which is convenient for batch parts processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a structural schematic diagram of the workpiece of the present invention;

[0020] Figure 2 Schematic diagram of the multi-point tooling base designed for the present invention;

[0021] Figure 3 A schematic diagram of a sawtooth plate assembly designed for the present invention;

[0022] Figure 4 A schematic diagram of a positioning pin designed for the present invention;

[0023] Figure 5 This is a schematic diagram of assembling parts by using modular workpiece fixtures to clamp parts in the present invention. DETAILED DESCRIPTION

[0024] The present invention discloses a multi-point platform rapid positioning, alignment and clamping tool, comprising: a tool base 1, a positioning pin 2 and a serrated pressure plate assembly 3; wherein the tool base 1 is a flat plate structure, and a plurality of threaded holes and pin positioning holes are evenly distributed on the upper surface; the positioning pin 2 is installed in the pin positioning hole, and the spacing between the positioning pins 2 is adjusted according to the size of the workpiece to position the workpiece to be installed; the serrated pressure plate assembly 3 is height-adjusted according to the thickness of the workpiece, and the workpiece is fixed and clamped on the tool base 1.

[0025] Preferably, the serrated pressure plate assembly 3 includes a locking screw, a serrated upper pressure plate and a serrated lower support block, wherein the serrated upper pressure plate is connected to the serrated lower support block; a through hole is set in the serrated upper pressure plate; the locking screw passes through the through hole and is connected to the threaded hole on the tooling base 1, so that the serrated upper pressure plate presses the workpiece to be installed onto the tooling base 1.

[0026] Preferably, the sawtooth lower support block has a triangular longitudinal section; the upper sawtooth is arranged on the hypotenuse of the triangle; the lower sawtooth is arranged on the contact surface between the sawtooth upper pressure plate and the sawtooth lower support block, and is fixed with the upper sawtooth; by adjusting the position of the sawtooth upper pressure plate on the upper sawtooth, the sawtooth upper pressure plate can adapt to different thicknesses of workpieces to be installed.

[0027] Preferably, the positioning pin 2 is connected to the tooling base 1 and is in contact with the workpiece.

[0028] Preferably, the pin hole is φ6.0 to φ7.0.

[0029] Preferably, the through hole is elliptical; the length of the ellipse is greater than the diameter of the locking screw; and the contact area between the serrated upper pressure plate and the workpiece to be installed is adjusted by the position of the locking screw on the through hole.

[0030] Preferably, the positioning position of the positioning pin 2 is adjusted according to the size of the workpiece to be installed.

[0031] Preferably, the clamping of the special-shaped workpiece is achieved by using different hole positions on the tooling base 1 .

[0032] Example

[0033] In this embodiment, the selected test workpiece is a workpiece in a fuel tank assembly in the aerospace field, the material is 5A06 aluminum alloy, the workpiece length is 500mm, the width is 500mm, and the height is 4.8mm (such as Figure 1 As shown), the thinnest part is only 2.0mm thick, which is a typical process. The specific implementation is as follows:

[0034] (1) Place the tooling base (such as Figure 2 After alignment (as shown), use the machine tool pressure plate to fix the tooling base on the machine tool bed.

[0035] (2) According to the workpiece (such as Figure 1 The specific structure and size of the tooling base (as shown) Figure 2 (as shown in the figure) locating pins are installed at 90° in the horizontal and vertical directions to connect the locating pins to the tooling base, so as to facilitate the rapid positioning and alignment of the workpiece on the tooling base.

[0036] (3) Positioned workpiece (such as Figure 5 As shown), evenly distribute the sawtooth pressure plate assembly around the workpiece so that the sawtooth plate assembly (as shown Figure 3 As shown) and tooling base (as shown Figure 2 As shown) and fix the workpiece (as shown Figure 5 shown).

[0037] Key point: The multi-point platform rapid positioning and alignment clamping tooling fully considers the characteristics of easy clamping based on the structure of the workpiece, and is also easy for subsequent clamping, fixing and processing.

[0038] (4) Design and manufacture modular workpiece fixtures that are easy to clamp and position based on the workpiece structure.

[0039] Designed modular tooling structure for workpieces (such as Figure 5 shown):

[0040] Tooling base (such as Figure 2 M8 threaded holes are evenly distributed on the top, which is convenient for increasing or decreasing the number of pressure plate clamps according to the size of the workpiece, achieving a flexible application effect;

[0041] Tooling base (such as Figure 2 The φ6 pin positioning holes are evenly distributed on the top to meet the needs of fast positioning of workpieces of different lengths and widths;

[0042] Tooling base (such as Figure 2 The main body of the modular tooling is shown in the figure. Positioning pins are installed at a 90° angle in the horizontal and vertical directions on the tooling base through the pin holes to obtain the same positioning section, which is convenient for the subsequent clamping, fixing and processing of batch workpieces.

[0043] The positioning pins in this module play the role of positioning and connecting the tooling base and the quick-installation. According to the size of the workpiece, the positioning and alignment are carried out by adjusting the width between the positioning pins. Figure 4 shown.

[0044] Serrated plate assembly (such as Figure 3 As shown) and tooling base (as shown Figure 2 The connection (as shown) serves to fix and clamp the workpiece.

[0045] The serrated pressure plate assembly is used to fix and clamp the workpiece on the multi-point platform modular tooling. At the same time, the height of the pressure plate can be adjusted according to the actual height of the workpiece by adjusting the straight-tooth pressure plate in the assembly, and it can be fixed with the fastening screws in the assembly. According to the actual size of the workpiece, it can be adjusted and fastened up, down, left and right on the tooling base.

[0046] (4) The multi-point platform rapid positioning and alignment clamping tooling fully considers the characteristics of easy clamping based on the structure of the workpiece, and is also easy for subsequent clamping, fixing and processing.

[0047] (5) The modular tooling designed and manufactured as above is used to clamp the workpiece. The workpiece is fixed and clamped by adjusting the height-adjustable pressure plate assembly, and the front and back sides of the workpiece are processed respectively. At the same time, the top and surrounding surfaces of the workpiece can also be processed by the reverse pressure plate.

[0048] (6) The schematic diagram of the structure of using the modular tooling to clamp the workpiece is shown below. The workpiece is fixedly clamped by adjusting the height-adjustable serrated pressure plate assembly and selecting appropriate hole positions on the tooling base.

[0049] The present invention provides a multi-point platform rapid positioning and alignment clamping tooling, which is modular and simple in structure, and has height-direction fastening and adjustment functions, making it easier to clamp and align. The processing method can effectively reduce the difficulty of clamping and aligning such workpieces and improve processing efficiency.

[0050] The present invention is aimed at the problems of large demand for such workpiece products and difficulty in clamping, positioning and aligning. The technical solution of the present invention provides a multi-point platform for rapid positioning and alignment clamping tooling. The clamping tooling is modular and simple in structure. It has fastening and adjustment functions, which is more conducive to the clamping and alignment of the workpiece. The provided processing method makes full use of the advantages of space, which can effectively reduce the difficulty of clamping and aligning such workpieces and significantly improve the processing efficiency.

[0051] The multi-point platform rapid positioning, alignment and clamping tooling of the present invention comprises: step one, designing a quick-install positioning pin according to the specific structure and size of the required workpiece; step two, designing and manufacturing a modular tooling for the workpiece that is easy to clamp and quickly position according to the quick-install positioning pin designed in step one; step three, clamping the workpiece using the modular tooling for the workpiece designed and manufactured in step two; and completing the milling process of the workpiece by adjusting the modular tooling to process the grooves, holes and other positions on the workpiece.

[0052] Preferably, in step one, a quick-release locating pin is designed, which fully considers the symmetry and easy clamping characteristics based on the structure of the workpiece, is easy for subsequent clamping and processing, and ensures that the same clamping cross-section can be obtained by rotating 180° axially in space.

[0053] Preferably, in step 2, a modular workpiece tooling that is easy to clamp, position and align is designed and manufactured based on the quick-release locating pins, and the tooling has fastening and adjustment functions, can adapt to workpieces of different lengths, widths and heights, and is more conducive to subsequent clamping and alignment.

[0054] Preferably, in step three, a designed and manufactured modular workpiece tooling is used, and by changing the spatial axial clamping direction and rotating 180° each time, the grooves, holes and other positions on the back of the workpiece can be milled to complete the milling process on the back of the workpiece.

Claims

1. The multi-point platform quickly locates and aligns the clamping tooling, which is characterized by: include: A tooling base (1), a positioning pin (2) and a sawtooth pressure plate assembly (3); wherein the tooling base (1) is a flat plate structure, and a plurality of threaded holes and pin positioning holes are evenly distributed on the upper surface; the positioning pins (2) are installed in the pin positioning holes, and the spacing between the positioning pins (2) is adjusted according to the size of the workpiece to position the workpiece to be installed; the sawtooth pressure plate assembly (3) is adjusted in height according to the thickness of the workpiece to fix and clamp the workpiece on the tooling base (1).

2. The multi-point platform rapid positioning and alignment clamping tooling according to claim 1 is characterized by: The serrated pressure plate assembly (3) comprises a locking screw, a serrated upper pressure plate and a serrated lower support block, wherein the serrated upper pressure plate is connected to the serrated lower support block; the serrated upper pressure plate is provided with a through hole; the locking screw passes through the through hole and is connected to a threaded hole on the tooling base (1), so that the serrated upper pressure plate presses the workpiece to be installed onto the tooling base (1).

3. The multi-point platform rapid positioning and alignment clamping tooling according to claim 2 is characterized by: The sawtooth lower support block has a triangular longitudinal section; the upper sawtooth is arranged on the hypotenuse of the triangle; the lower sawtooth is arranged on the contact surface between the sawtooth upper pressure plate and the sawtooth lower support block, and is fixed with the upper sawtooth; by adjusting the position of the sawtooth upper pressure plate on the upper sawtooth, the sawtooth upper pressure plate can adapt to different thicknesses of workpieces to be installed.

4. The multi-point platform rapid positioning and alignment clamping tooling according to claim 1 is characterized by: The positioning pin (2) is connected to the tooling base (1) and is in contact with the workpiece.

5. The multi-point platform rapid positioning and alignment clamping tooling according to claim 1 is characterized by: The pin hole is φ6.0~φ7.

0.

6. The multi-point platform rapid positioning and alignment clamping tooling according to claim 3 is characterized by: The through hole is elliptical; the length of the ellipse is greater than the diameter of the locking screw; the contact area between the serrated upper pressing plate and the workpiece to be installed is adjusted by the position of the locking screw on the through hole.

7. The multi-point platform rapid positioning and alignment clamping tooling according to claim 2 is characterized by: Adjust the positioning position of the positioning pin (2) according to the size of the workpiece to be installed.

8. The multi-point platform rapid positioning and alignment clamping tooling according to claim 1 is characterized by: By using different hole positions on the tooling base (1), clamping of special-shaped workpieces is achieved.

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