A universal combination fixture for laser deburring of forgings

By designing a combined fixture including slats, base plate, movable plate, and slider assembly, the problem that existing laser cutting fixtures for forgings cannot support lightweight forgings has been solved. This achieves stable clamping of forgings and efficient burr removal, while reducing the cost of specialized tooling.

CN119260226BActive Publication Date: 2025-10-31SHENYANG LIMING AERO-ENGINE GROUP CORPORATION
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Patent Information

Application Number
CN202411653513.2
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-11-19
Publication Date
2025-10-31
Estimated Expiration
2044-11-19

AI Technical Summary

Technical Problem

Existing laser cutting fixtures for forgings cannot effectively support lightweight forgings, resulting in the inability to remove burrs.

Method used

A universal combination fixture was designed, comprising slats, a base plate, a movable plate, a slider assembly, a cylindrical assembly, a clamping device, a hook, an angle positioning block, a V-shaped positioning block, and an L-shaped positioning block. The combination of multiple components enables stable clamping and positioning of forgings.

Benefits of technology

It enables repeated positioning and stable clamping of forgings, improves the efficiency of laser cutting of burrs, and reduces the cost of special tooling.

✦ Generated by Eureka AI based on patent content.

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Abstract

This invention relates to a universal combination fixture suitable for laser deburring of forgings, comprising a strip, a base plate, a movable plate, a slider assembly, a cylindrical assembly, a clamping device a, a clamping device b, a hook, an angle positioning block, a V-shaped positioning block, an L-shaped positioning block, and an adjusting cap. The fixture is fixed to the machine tool via the hook, and the height of the working area is adjustable. The movable groove on the base plate, in conjunction with clamping device b or the cylindrical assembly, is used for small part cutting combinations. The slide rail on the movable plate, in conjunction with the slider assembly or clamping device a, is used for medium and large part cutting combinations. The V-shaped positioning block, L-shaped positioning block, and angle positioning block are all used in conjunction with the slider assembly or the cylindrical assembly for axial positioning, longitudinal back-and-forth movement positioning, and angle positioning of the parts, respectively. This invention improves the operational efficiency of laser deburring of forgings and reduces the cost of manufacturing special tooling.
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Description

Technical Field

[0001] This invention relates to the field of general combination technology for laser cutting machines, and specifically to a general combination fixture suitable for laser deburring of forgings. Background Technology

[0002] Existing fixtures for laser cutting of forgings are dedicated support blocks, and these support block structures do not take into account the support of burrs on forgings. Lightweight forgings cannot be laser-cut to remove burrs. Summary of the Invention

[0003] To solve the above-mentioned technical problems, the present invention provides a universal combination fixture suitable for laser deburring of forgings; the specific technical solution is as follows:

[0004] A general-purpose combination fixture for laser deburring of forgings includes strips, a base plate, a movable plate, a slider assembly, a cylindrical assembly, a clamping device a, a clamping device b, a hook, an angle positioning block, a V-shaped positioning block, an L-shaped positioning block, and an adjusting cap;

[0005] The strip is long and block-shaped, with mounting grooves at both ends for mounting hooks;

[0006] The middle part of the two mounting slots of the slat is provided with a sliding groove, and the sliding groove extends from the upper end face of the slat to the lower end face;

[0007] The hook is plate-shaped with two rows of symmetrical screw holes on its surface. The hook is inserted into the mounting grooves at both ends of the plate, and its screw holes correspond to the screw holes on both sides of the mounting groove. The hook is fixed to the plate by screws.

[0008] The movable plate has mounting holes at both ends, and a raised slide is provided in the middle part of the two mounting holes;

[0009] The movable plate is set on the upper end face of the two strips and is connected to the slide groove by bolts passing through the mounting holes of the movable plate;

[0010] The clamping device a is disposed within the slide rail and is capable of sliding within the slide rail;

[0011] The base plate is square in shape with mounting holes at the four corners. The base plate surface has multiple strip-shaped movable grooves arranged horizontally and vertically, and the movable grooves are arranged in a crisscross pattern along the horizontal and vertical sides of the plate surface. There are also oblique movable grooves along the diagonal of the base plate.

[0012] The base plate is set on the upper end face of the two strips and is connected to the slide groove by bolts passing through the mounting holes of the base plate;

[0013] The clamping device b is disposed in the movable groove and can slide within the movable groove;

[0014] The slider assembly includes a slider, a washer, a nut, a cylinder, and a screw. The cylinder has an internal thread, and the screw is threaded to the cylinder. The slider is convex in shape and has a screw hole in the center. The screw inside the cylinder extends from the bottom end, passes through the nut and the washer, and connects to the slider. The slider is set in the slide rail, and the slider assembly is locked to the movable plate by the nut.

[0015] The cylindrical assembly includes a cylinder, a bolt, and a nut. The cylinder has an internal thread, the bolt is located inside the cylinder, and the bolt has a nut. The nut locks the cylindrical assembly into the movable groove of the base plate.

[0016] The V-shaped positioning block is provided with a V-shaped groove for limiting the column, and a screw hole is provided in the center of the V-shaped groove. The V-shaped positioning block is used for axial positioning of the part.

[0017] The L-shaped positioning block is provided with an L-shaped groove for end limiting, and a screw hole is provided in the center of the L-shaped groove. The L-shaped positioning block is used for longitudinal movement positioning of the part.

[0018] The lower end of the angular positioning block is provided with a connecting rod; the angular positioning block is used for angular positioning of the part.

[0019] V-shaped positioning blocks, L-shaped positioning blocks, and angle positioning blocks are all combined with slider assemblies for use with movable plates.

[0020] V-shaped positioning blocks, L-shaped positioning blocks, and angle positioning blocks are all combined with cylindrical components and used to cooperate with the movable groove of the base plate.

[0021] The clamping device a is used in conjunction with the movable plate to clamp and fix the rough edges of the parts.

[0022] The clamping device b works in conjunction with the base plate to clamp and fix the rough edges of the parts.

[0023] The preferred embodiment of the general-purpose combination fixture for laser deburring of forgings is that the V-shaped positioning block, L-shaped positioning block, and angle positioning block are connected to the slider assembly for use in conjunction with the movable plate.

[0024] The V-shaped positioning block, L-shaped positioning block, and angle positioning block are connected to the cylindrical assembly and used in conjunction with the base plate.

[0025] The preferred embodiment of the general-purpose combined fixture for laser deburring of forgings is that the clamping device a includes a slider assembly and a pressure rod;

[0026] The pressure rod is T-shaped and includes a sleeve, a screw, and a clamping lock; the screw inside sleeve a is connected to the connecting hole of sleeve b, and the clamping screw is located inside sleeve b.

[0027] A short screw is installed inside the connecting hole of the sleeve a, and the pressure rod is connected to the upper end of the adjusting cap of the slider assembly through the short screw.

[0028] The preferred embodiment of the general-purpose combined fixture for laser deburring of forgings is that the clamping device b includes a cylindrical assembly and a pressure rod.

[0029] The pressure rod is T-shaped and includes a sleeve, a screw, and a clamping lock; the screw inside sleeve a is connected to the connecting hole of sleeve b, and the clamping screw is located inside sleeve b.

[0030] A short screw is installed in the connecting hole of the sleeve a, and the pressure rod is connected to the upper end of the cylinder through the short screw; the bolt is installed at the lower end of the cylinder, and the bolt is equipped with a nut.

[0031] The preferred embodiment of the general-purpose combination fixture for laser deburring of forgings is that the fixture is fixed to the machine tool by hooks, and the height of the working area is adjusted by selecting the position of the hook screw holes.

[0032] The preferred embodiment of the general-purpose combination fixture for laser deburring of forgings is that the base plate is used for small part cutting, and the clamping device b is used in conjunction with the base plate.

[0033] The movable plate is used for cutting medium and large parts; multiple sets of movable plates can be set on the strip according to the needs of the parts, and the clamping device a is used in conjunction with the movable plate.

[0034] The preferred embodiment of the general-purpose combination fixture for laser deburring of forgings is that both the cylindrical assembly and the slider assembly are height-adjustable via threads, used to support the burrs on the parts or connect positioning components.

[0035] Compared with the prior art, the present invention has the following beneficial technical effects:

[0036] The technical solution of this invention can be applied to the removal of burrs in laser cutting machines for die-forged structural parts; it facilitates the repeated positioning and stable clamping of forgings, improves the operational efficiency of laser cutting burrs on forgings, and reduces the cost of manufacturing special tooling. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of a general-purpose modular fixture structure;

[0038] Figure 2 This is a schematic diagram of the clamping device a.

[0039] Figure 3 This is a schematic diagram of the clamping device b.

[0040] Figure 4 This is a schematic diagram of the slider assembly structure;

[0041] Figure 5 This is a schematic diagram of the cylindrical component structure;

[0042] Figure 6 This is a schematic diagram of the compression bar structure;

[0043] Figure 7 This is a schematic diagram of the V-shaped positioning block structure;

[0044] Figure 8 This is a schematic diagram of an L-shaped positioning block structure;

[0045] Figure 9 This is a schematic diagram of the angle positioning block structure.

[0046] In the diagram: 1-slat, 2-base plate, 3-movable plate, 4-hook, 5-V-shaped positioning block, 6-L-shaped positioning block, 7-angle positioning block, 8-slide groove, 9-slide track, 10-movable groove, 11-cylinder, 12-screw, 13-bolt, 14-clamping device a, 15-clamping device b, 16-slider assembly, 17-block, 18-shield, 19-cylinder assembly, 20-pressure rod, 21-sleeve a, 22-sleeve b, 23-clamping screw. Detailed Implementation

[0047] The following is in conjunction with the appendix Figure 1-9 The present invention will be described in detail, but the scope of protection of the present invention is not limited by the accompanying drawings.

[0048] A general-purpose combination fixture suitable for laser deburring of forgings includes a strip 1, a base plate 2, a movable plate 3, a slider assembly 16, a cylindrical assembly 19, a clamping device a14, a clamping device b15, a hook 4, an angle positioning block 5, a V-shaped positioning block 6, and an L-shaped positioning block 7.

[0049] The strip 1 is long and block-shaped, with mounting grooves at both ends for mounting hooks 4;

[0050] The middle part of the two mounting slots of the strip 1 is provided with a sliding groove 8, and the sliding groove 8 extends from the upper end face of the strip to the lower end face;

[0051] The hook 4 is plate-shaped with two rows of symmetrical screw holes on the plate surface; the hook 4 is inserted into the mounting grooves at both ends of the plate strip 1, and its screw holes correspond to the screw holes on both sides of the mounting groove. The hook 4 is fixed to the plate strip 1 by screws.

[0052] The movable plate 3 has mounting holes at both ends, and a raised slide 9 is provided in the middle part of the two mounting holes;

[0053] The movable plate 3 is set on the upper end face of the two strips 1 and is connected to the slide groove 8 by bolts passing through the mounting holes of the movable plate 3;

[0054] The clamping device a14 is disposed within the slide rail 9 and is capable of sliding within the slide rail 9;

[0055] The base plate 2 is square in shape, with mounting holes at the four corners. The base plate 2 has multiple strip-shaped movable grooves 10 arranged horizontally and vertically, and the movable grooves 10 are arranged in a crisscross pattern along the horizontal and vertical sides of the plate. The base plate 2 also has diagonal movable grooves 10 along its diagonal.

[0056] The base plate 2 is set on the upper end face of the two strips 1 and is connected to the slide groove 8 by bolts passing through the mounting holes of the base plate;

[0057] The clamping device b15 is disposed in the movable groove 10 and can slide within the movable groove 10;

[0058] The slider assembly 16 includes a slider 17, a washer 18, a nut, a cylinder 11, and a screw 12; the cylinder 11 has an internal thread, and the screw 12 is threadedly connected to the cylinder 11; the slider 17 is convex in shape and has a screw hole in the center, and the screw 12 of the adjusting cap 13 extends from the lower end, passes through the nut and the washer 18, and connects to the slider 17; the slider 17 is set in the slide rail 9 of the movable plate 3, and the slider assembly 16 is locked onto the movable plate 3 by the nut;

[0059] The cylindrical assembly 19 includes a cylindrical 11, a bolt 13 and a nut. The cylindrical 11 has an internal thread, the bolt 13 is disposed inside the cylindrical 11, and a nut is provided on the bolt. The cylindrical assembly 19 is locked in the movable groove 10 of the base plate 2 by means of the nut.

[0060] The V-shaped positioning block 5 is provided with a V-shaped groove for limiting the column, and a screw hole is provided in the center of the V-shaped groove. The V-shaped positioning block is used for axial positioning of the part.

[0061] The L-shaped positioning block 6 is provided with an L-shaped groove for end limiting, and a screw hole is provided in the center of the L-shaped groove. The L-shaped positioning block is used for longitudinal movement positioning of the part.

[0062] The lower end of the angular positioning block 7 is provided with a connecting rod; the angular positioning block is used for the angular positioning of the part.

[0063] V-shaped positioning block 5, L-shaped positioning block 6, and angle positioning block 7 are all combined with slider assembly 16 for use with movable plate 3;

[0064] V-shaped positioning block 5, L-shaped positioning block 6, and angle positioning block 7 are all combined with cylindrical assembly 19 and used to cooperate with the movable groove 10 of base plate 2.

[0065] The clamping device a14 is used in conjunction with the movable plate 3 to clamp and fix the rough edges of the parts.

[0066] The clamping device b15 works in conjunction with the base plate 2 to clamp and fix the rough edges of the parts.

[0067] The V-shaped positioning block, L-shaped positioning block, and angle positioning block are connected to the slider assembly and are used in conjunction with the movable plate.

[0068] The V-shaped positioning block 5, L-shaped positioning block 6, and angle positioning block 7 are connected to the cylindrical assembly 19 and are used in conjunction with the base plate 2.

[0069] The clamping device a14 includes a slider assembly 16 and a pressure rod 20;

[0070] The pressure rod is T-shaped and includes a sleeve a21, a sleeve b22 and a clamping screw 23; the screw inside the sleeve a21 is connected to the connecting hole of the sleeve b22, and the clamping screw is located inside the sleeve b22;

[0071] A short screw is installed in the connecting hole of the sleeve a21, and the pressure rod is connected to the upper end of the adjusting cap 13 of the slider assembly 16 through the short screw.

[0072] The clamping device b15 includes a cylindrical assembly 19 and a pressure rod 20;

[0073] The pressure rod is T-shaped and includes a sleeve, a screw, and a clamping lock; the screw inside sleeve a is connected to the connecting hole of sleeve b, and the clamping screw is located inside sleeve b.

[0074] A short screw is installed in the connecting hole of the sleeve a21, and the pressure rod is connected to the upper end of the cylinder through the short screw; the bolt is installed at the lower end of the cylinder, and the bolt is equipped with a nut.

[0075] The fixture is fixed to the machine tool by hook 4, and the height of the working area is adjusted by selecting the position of the screw hole of hook 4.

[0076] The base plate 2 is used for small part cutting, and the clamping device b15 is used in conjunction with the base plate.

[0077] The movable plate 2 is used for cutting medium and large parts; multiple sets of movable plates 2 can be set on the strip according to the needs of the parts, and the clamping device a14 is used in conjunction with the movable plate 2.

[0078] Both the cylindrical assembly 19 and the slider assembly 16 are height-adjustable via threads, used to support rough edges of parts or connect positioning components.

[0079] When clamping the blade, five sets of movable plates are fixed to the strips. Two V-shaped positioning blocks are combined with the slider assembly to position the blade laterally through the V-groove. Two L-shaped positioning blocks are combined with the slider assembly to position the blade longitudinally through the L-groove. Multiple cylindrical assemblies support the blade burrs and provide angular positioning. Alternatively, multiple clamping devices can be used to support the blade burrs and provide angular positioning.

Claims

1. A universal combination fixture suitable for laser deburring of forgings, characterized in that: Includes slats, base plate, movable plate, slider assembly, cylindrical assembly, clamping device a, clamping device b, hook, angle positioning block, V-shaped positioning block, L-shaped positioning block, and adjusting cap; The strip is long and block-shaped, with mounting grooves at both ends for mounting hooks; The middle part of the two mounting slots of the slat is provided with a sliding groove, and the sliding groove extends from the upper end face of the slat to the lower end face; The hook is plate-shaped with two rows of symmetrical screw holes on its surface. The hook is inserted into the mounting grooves at both ends of the plate, and its screw holes correspond to the screw holes on both sides of the mounting groove. The hook is fixed to the plate by screws. The movable plate has mounting holes at both ends, and a raised slide is provided in the middle part of the two mounting holes; The movable plate is set on the upper end face of the two strips and is connected to the slide groove by bolts passing through the mounting holes of the movable plate; The clamping device a is disposed within the slide rail and is capable of sliding within the slide rail; The base plate is square in shape with mounting holes at the four corners. The base plate surface has multiple strip-shaped movable grooves arranged horizontally and vertically, and the movable grooves are arranged in a crisscross pattern along the horizontal and vertical sides of the plate surface. There are also oblique movable grooves along the diagonal of the base plate. The base plate is set on the upper end face of the two strips and is connected to the slide groove by bolts passing through the mounting holes of the base plate; The clamping device b is disposed in the movable groove and can slide within the movable groove; The slider assembly includes a slider, a washer, a nut, a cylinder, and a screw. The cylinder has an internal thread, and the screw is threaded to the cylinder. The slider is convex in shape and has a screw hole in the center. The screw inside the cylinder extends from the bottom end, passes through the nut and the washer, and connects to the slider. The slider is set in the slide rail, and the slider assembly is locked to the movable plate by the nut. The cylindrical assembly includes a cylinder, a bolt, and a nut. The cylinder has an internal thread, the bolt is located inside the cylinder, and the bolt has a nut. The nut locks the cylindrical assembly into the movable groove of the base plate. The V-shaped positioning block is provided with a V-shaped groove for limiting the column, and a screw hole is provided in the center of the V-shaped groove. The V-shaped positioning block is used for axial positioning of the part. The L-shaped positioning block is provided with an L-shaped groove for end limiting, and a screw hole is provided in the center of the L-shaped groove. The L-shaped positioning block is used for longitudinal movement positioning of the part. The lower end of the angle positioning block is provided with a connecting rod; the angle positioning block is used for the angle positioning of the part. V-shaped positioning blocks, L-shaped positioning blocks, and angle positioning blocks are all combined with slider assemblies for use with movable plates. V-shaped positioning blocks, L-shaped positioning blocks, and angle positioning blocks are all combined with cylindrical components and used to cooperate with the movable groove of the base plate. The clamping device a is used in conjunction with the movable plate to clamp and fix the rough edges of the parts. The clamping device b works in conjunction with the base plate to clamp and fix the rough edges of the parts.

2. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: The V-shaped positioning block, L-shaped positioning block, and angle positioning block are connected to the slider assembly and are used in conjunction with the movable plate. The V-shaped positioning block, L-shaped positioning block, and angle positioning block are connected to the cylindrical assembly and used in conjunction with the base plate.

3. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: The clamping device a includes a slider assembly and a pressure rod; The pressure rod is T-shaped and includes a sleeve, a screw, and a clamping lock; the screw inside sleeve a is connected to the connecting hole of sleeve b, and the clamping screw is located inside sleeve b. A short screw is installed inside the connecting hole of the sleeve a, and the pressure rod is connected to the upper end of the adjusting cap of the slider assembly through the short screw.

4. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: The clamping device b includes a cylindrical assembly and a pressure rod; The pressure rod is T-shaped and includes a sleeve, a screw, and a clamping lock; the screw inside sleeve a is connected to the connecting hole of sleeve b, and the clamping screw is located inside sleeve b. A short screw is installed in the connecting hole of the sleeve a, and the pressure rod is connected to the upper end of the cylinder through the short screw; the bolt is installed at the lower end of the cylinder, and the bolt is equipped with a nut.

5. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: The fixture is fixed to the machine tool by hooks, and the height of the working area is adjusted by selecting the position of the hook screw holes.

6. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: The base plate is used for cutting small parts, and the clamping device b is used in conjunction with the base plate. The movable plate is used for cutting medium and large parts; multiple sets of movable plates can be set on the strip according to the needs of the parts, and the clamping device a is used in conjunction with the movable plate.

7. A universal combination fixture for laser deburring of forgings according to claim 1, characterized in that: Both the cylindrical assembly and the slider assembly are height-adjustable via threads, used to support rough edges on parts or connect positioning components.

Citation Information

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