Transfer clamp for super-large titanium alloy frame forgings and using method
By setting up a multi-point support structure and adjustable height washers in the transfer fixture, the deformation problem caused by uneven force at a single point during the transfer of ultra-large titanium alloy frame forgings was solved, thereby improving the stability and adaptability of the forgings.
Patent Information
- Application Number
- CN202511867198.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-11
- Publication Date
- 2026-02-10
AI Technical Summary
In the prior art, ultra-large titanium alloy frame forgings are prone to deformation, warping or denting during the transfer process due to uneven stress at a single point, which leads to damage to the geometric accuracy of the forgings and the formation of internal residual stress, affecting subsequent processing and assembly.
A transfer fixture is designed to form a multi-point support structure by setting multiple adjustable support rods and fixing bolts on an L-shaped beam. Combined with adjustable height washers and fastening nuts, it ensures that the forging is subjected to uniform force during the transfer process and avoids local suspension damage.
It effectively prevents deformation of forgings due to excessive stress at a single point during transfer, improves the stability and adaptability of forgings, and is suitable for forgings of different specifications, ensuring processing and assembly requirements.
Smart Images
Figure CN121491270A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application belongs to the technical field of transfer fixtures, in particular relates to a transfer fixture for super-large specification titanium alloy frame class forgings and a use method. BACKGROUND
[0002] Titanium alloy frame class forgings, as the "skeleton structure" of aircraft, are widely used in core parts such as fuselage beam partition frame, wing support structure, engine compartment frame and spacecraft fuel tank structure, to reduce the overall weight of the aircraft through material lightweight characteristics, improve endurance and carrying efficiency, and reduce the number of welds through integral forging process, and reduce the risk of structural failure of spacecraft in extreme environments.
[0003] Currently, the transfer of super-large specification titanium alloy frame class forgings in the industry is mostly done by directly clamping the jaws of the ordinary manipulator, however, titanium alloy material itself has small elastic modulus and high yield strength, and under the action of horizontal clamping force, local stress concentration is easy to occur, resulting in warping, depression or edge deformation of the forging, such deformation not only directly damages the geometric accuracy of the forging, but also forms residual stress inside, which may cause secondary deformation or crack propagation even through cutting correction in the subsequent machining process, ultimately leading to the product unable to meet the assembly tolerance requirements.
[0004] Therefore, we provide a transfer fixture for super-large specification titanium alloy frame class forgings and a use method to solve the above problems. SUMMARY
[0005] The purpose of the present application is to provide a transfer fixture for super-large specification titanium alloy frame class forgings and a use method, by setting the support rod which can adjust the plug-in position according to the length and width size of the forging, and is locked by the fixed bolt and the fixed frame, forming a multi-point stable support structure, solving the problem that the existing transfer fixture for super-large specification titanium alloy frame class forgings is easy to cause uneven stress of the forging and produce deformation.
[0006] To solve the above technical problems, the present application is realized by the following technical scheme:
[0007] The present application is a transfer fixture for super-large specification titanium alloy frame class forgings and a use method, comprising a manipulator and two symmetrical L-shaped beams; the top of the L-shaped beam is fixedly connected with two straight pull rods, and the straight pull rods are movably sleeved in the clamping arm of the manipulator; the opposite side of the two L-shaped beams is respectively provided with a plurality of support rods; the outside of the straight pull rod is movably sleeved with a plurality of washers for adjusting the height of the manipulator.
[0008] Further, a plurality of sockets are equidistantly arranged in the L-shaped beam, and the support rod is movably inserted into the corresponding socket.
[0009] The two sides away from each other of the two L-shaped beams are fixedly connected with fixing frames, a plurality of fixing holes are equidistantly formed in the interiors of the fixing frames, and fixing bolts are movably inserted into the interiors of the fixing holes and are threadedly sleeved in the interiors of the corresponding supporting rods.
[0010] The upper portion of the straight pull rod is provided with a threaded portion, and a fastening nut for fixing the operating machine is threadedly sleeved on the threaded portion of the straight pull rod.
[0011] The two straight pull rods located at the front end are fixedly connected with reinforcing rib plates on both sides, and the reinforcing rib plates are fixedly connected to the top of the L-shaped beam, and the other two straight pull rods are fixedly sleeved with supporting sleeves on the outside, and the supporting sleeves are fixedly connected to the top of the L-shaped beam.
[0012] The gasket comprises two U-shaped chucks that are buckled to each other, and the two opposite sides are provided with recessed holes and protrusions matched with the recessed holes.
[0013] The application further provides a use method of the transfer clamp for the titanium alloy frame forging with an oversized specification.
[0014] S1, according to the length and width of the titanium alloy frame forging, the supporting distance of the supporting rod is determined: the supporting rod is movably inserted into the corresponding insertion holes equidistantly formed in the L-shaped beam, then the fixing bolt is inserted through the corresponding fixing holes in the fixing frame fixedly connected to the side of the L-shaped beam away from each other, and is threadedly sleeved in the interior of the supporting rod, until the supporting rod and the L-shaped beam are tightly fixed.
[0015] S2, according to the height requirement of the forging, a proper number of gaskets are movably sleeved on the outside of the straight pull rod, the protrusions and the recessed holes of the gaskets are buckled to ensure the stability of the gasket stacking, then the straight pull rod is inserted into the clamping arm of the operating machine, and after the overall height of the clamp is adjusted to adapt to the supporting requirement of the forging, the fastening nut is screwed into the threaded portion of the straight pull rod to fix the straight pull rod and the clamping arm of the operating machine.
[0016] S3, the two clamping arms of the operating machine are opened, so that the two L-shaped beams are opened, then the operating machine is moved to the position directly above the forging, then the operating machine is lowered so that the supporting rod is lowered below the forging, then the two clamping arms of the operating machine are closed, so that the supporting rods on the two sides of the L-shaped beam completely fit the bottom of the forging.
[0017] S4, the operating machine is started, and the clamp and the forging are lifted; then the operating machine is moved according to the preset path, and the forging is transferred to the target placement area.
[0018] The application has the following beneficial effects:
[0019] 1. The application can form multiple point support to disperse the weight of the oversized titanium alloy frame class forging, prevent deformation due to excessive force on a single point, and avoid damage caused by local suspension of the forging.
[0020] 2. The application can adjust the height difference between the manipulator and the L-shaped beam by setting U-shaped buckle type washers with adjustable number on the straight pull rod without separating the straight pull rod and the manipulator, and can adapt to oversized titanium alloy frame class forgings with different thickness, height, length and width specifications without replacing the fixture body, thereby improving the versatility and adaptability of the fixture. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical solutions of the embodiments of the application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor.
[0022] Figure 1 It is a three-dimensional structural schematic diagram of the application.
[0023] Figure 2 It is a whole exploded structural schematic diagram of the application.
[0024] Figure 3 It is a structural schematic diagram of the washer of the application.
[0025] Figure 4 It is a schematic diagram of the use state of the application.
[0026] Figure 5 It is Figure 2 It is an enlarged structural schematic diagram of A in the middle.
[0027] In the drawings, the components represented by each reference numeral are listed as follows:
[0028] 100, L-shaped beam; 101, fixed frame; 102, socket; 103, fixed bolt; 104, fixed hole; 200, support rod; 300, straight pull rod; 301, reinforcing rib plate; 302, fastening nut; 303, support sleeve; 400, manipulator; 500, washer; 501, chuck; 502, protrusion; 503, recess. DETAILED DESCRIPTION
[0029] In order to make the above objectives, characteristics and advantages of the present application more apparent, comprehensible and easier to be understood, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings.
[0030] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application, however, can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the scope of the present application, which is set forth with particularity in the claims. Implementations of the present application can be implemented using two or more specific embodiments that are not mutually exclusive.
[0031] Secondly, the term "one embodiment" or "an embodiment" as used herein means that a particular implementation can include a particular feature, structure, or characteristic, but every embodiment can not necessarily include the particular feature, structure, or characteristic. Furthermore, the following claims can refer to "one embodiment" or "an embodiment" in the sense of claiming a particular feature, structure, or characteristic of more than one embodiment.
[0032] Thirdly, the present application is described in detail with reference to the accompanying drawings. In the detailed description of the embodiments of the present application, the sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic view is only an example, which should not limit the scope of protection of the present application. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in the actual manufacture.
[0033] Embodiment 1
[0034] Please refer to Figure 1 , Figure 2 and Figure 4 , the present application is a transfer clamp for super large specification titanium alloy frame class forgings and a use method, including an operating machine 400 and two symmetrical L-shaped beams 100; the top of the L-shaped beam 100 is fixedly connected with two straight pull rods 300, and the straight pull rod 300 is movably sleeved in the clamping arm of the operating machine 400, and the opposite side of the two L-shaped beams 100 is installed with a plurality of supporting rods 200, the plurality of supporting rods 200 can form multi-point support, disperse the weight of the forging, prevent the super large specification titanium alloy frame class forging from deforming due to excessive force on a single point, and improve the stability in the transfer process.
[0035] Specifically, the two straight pull rods 300 at the front end are fixedly connected with the reinforcing rib plates 301 on both sides, and the reinforcing rib plates 301 are fixedly connected to the top of the L-shaped beam 100. The other two straight pull rods 300 are fixedly sleeved with the support sleeves 303 on the outside, and the support sleeves 303 are fixedly connected to the top of the L-shaped beam 100. The reinforcing rib plates 301 can enhance the connection strength of the front straight pull rods 300 and the L-shaped beam 100, avoid bending or breaking of the front straight pull rods 300 when bearing the weight of the forging, and improve the clamping capacity. The support sleeves 303 can position and reinforce the remaining straight pull rods 300, reduce the shaking of the straight pull rods 300, and further ensure the stability of the connection between the straight pull rods 300 and the L-shaped beam 100.
[0036] The operation process of the embodiment is as follows: when the forging needs to be transferred, first start the manipulator 400 to control the two clamping arms to open, and drive the two L-shaped beams 100 connected with the straight pull rods 300 to open synchronously; then move the manipulator 400 to the top of the super-large specification titanium alloy frame forging, control the manipulator 400 to descend, and slowly lower the supporting rods 200 on the L-shaped beam 100 to the bottom of the forging; then control the two clamping arms of the manipulator 400 to close, so that the two supporting rods 200 on both sides are tightly attached to the bottom of the forging, forming a multi-point support; thereby effectively dispersing the weight of the forging and avoiding deformation of the forging; finally, start the manipulator 400 to lift the clamp and the forging, and transfer the forging to the target position according to the preset path.
[0037] Embodiment 2
[0038] Please refer to Figures 1 to 5 On the basis of the specific embodiment one, a plurality of washers 500 for adjusting the height of the manipulator 400 are movably sleeved on the outside of the straight pull rod 300. The plurality of washers 500 can flexibly adjust the height difference between the manipulator 400 and the L-shaped beam 100 by increasing or decreasing the number, without the need to replace the clamp body to adapt to super-large titanium alloy frame forgings of different thicknesses and different height specifications, thereby improving the versatility and adaptability of the clamp.
[0039] A plurality of sockets 102 are equidistantly arranged inside the L-shaped beam 100, and the supporting rods 200 are movably inserted into the corresponding sockets 102. The plurality of equidistantly arranged sockets 102 provide a plurality of installation positions for the supporting rods 200. The insertion position of the supporting rods 200 can be adjusted according to the length, width and support requirement of the super-large titanium alloy frame forging, so that the support point of the supporting rod 200 is more in line with the structure of the forging, and damage caused by local suspension of the forging is avoided. At the same time, the movable insertion structure of the supporting rod 200 and the socket 102 facilitates quick disassembly and position adjustment of the supporting rod 200, thereby improving the operation efficiency.
[0040] The two L-shaped beams 100 are fixedly connected with the fixed frames 101 on the sides away from each other, a plurality of fixed holes 104 are equidistantly formed in the fixed frames 101, and the fixed holes 104 are movably connected with the fixed bolts 103, and the fixed bolts 103 are threadedly connected in the corresponding supporting rods 200. The cooperation of the fixed frames 101, the fixed holes 104 and the fixed bolts 103 can firmly lock the movably connected supporting rods 200 on the L-shaped beams 100, prevent the supporting rods 200 from loosening or shifting due to vibration or gravity during the transfer of the forgings, and ensure the supporting stability. The plurality of fixed holes 104 can match different insertion positions of the supporting rods 200, ensure that the supporting rods 200 can be reliably fixed at any adjustment position, and improve the safety of the clamp.
[0041] The upper portion of the straight pull rod 300 is provided with a threaded portion, and the threaded portion of the straight pull rod 300 is threadedly connected with a fastening nut 302 for fixing the operating machine 400.
[0042] Specifically, the gasket 500 includes two mutually buckled U-shaped chucks 501, and the two opposite sides are provided with recessed holes 503 and protrusions 502 matched with the recessed holes 503. The buckling structure of the two U-shaped chucks 501 enables the gasket 500 to be directly installed or removed outside the straight pull rod 300 without separating the straight pull rod 300 and the operating machine 400, simplifies the height adjustment operation steps, and saves the adjustment time. The matching structure of the recessed holes 503 and the protrusions 502 can ensure that the two chucks 501 are tightly fitted after buckling, avoid separation or misplacement of the gasket 500 during use, ensure the accuracy of height adjustment, and enhance the structural stability of the gasket 500.
[0043] The operation process of the embodiment is as follows: when it is necessary to adjust the clamp according to the forgings, first, the supporting rod 200 is taken out from the insertion port 102 of the L-shaped beam 100 and is reinserted into the corresponding target insertion port 102 according to the length, width and support requirement of the forgings; then the fixed bolt 103 is inserted into the supporting rod 200 through the fixed hole 104 corresponding to the target insertion port 102 on the fixed frame 101 until the supporting rod 200 is tightly fixed with the L-shaped beam 100; then the two U-shaped chucks 501 are buckled outside the straight pull rod 300 through the protrusions 502 and the recessed holes 503 according to the height specification of the forgings, and the number of gaskets 500 is increased or decreased to adapt the height difference between the operating machine 400 and the L-shaped beam 100 to the forgings; finally, the straight pull rod 300 is inserted into the clamping arm of the operating machine 400, and the fastening nut 302 is tightened to fix the straight pull rod 300 with the clamping arm of the operating machine 400, so that the supporting point of the supporting rod 200 can be matched with the structure of the forgings, and local damage of the forgings can be avoided.
[0044] Embodiment 3
[0045] The embodiment is the third embodiment of the application, and provides a use method of the transfer clamp of the super-large specification titanium alloy frame type forge piece.
[0046] S1, according to the length and width dimensions of the titanium alloy frame type forge piece, the support spacing of the supporting rod 200 is determined: the supporting rod 200 is movably inserted into the corresponding insertion opening 102 equidistantly arranged in the L-shaped beam 100, then the fixing bolt 103 is screwed into the corresponding fixing hole 104 in the fixed frame 101 fixedly connected to the side of the L-shaped beam 100 away from each other, and is screwed into the supporting rod 200 until the supporting rod 200 and the L-shaped beam 100 are tightly fixed.
[0047] S2, according to the height requirement of the forge piece, a proper number of gaskets 500 are movably sleeved outside the straight pull rod 300, the convex block 502 and the recess hole 503 of the gasket 500 are buckled to ensure the stable stacking of the gaskets 500, then the straight pull rod 300 is inserted into the clamping arm of the manipulator 400, and is adjusted to the overall height of the clamp to adapt to the support requirement of the forge piece, then the fastening nut 302 is screwed into the threaded part of the straight pull rod 300 to fix the straight pull rod 300 and the clamping arm of the manipulator 400.
[0048] S3, the two clamping arms of the manipulator 400 are opened, so that the two L-shaped beams 100 are opened, then the manipulator 400 is moved to the position directly above the forge piece, then the manipulator 400 is lowered so that the supporting rod 200 is lowered below the forge piece, then the two clamping arms of the manipulator 400 are closed, so that the supporting rod 200 on the two L-shaped beams 100 completely adheres to the bottom of the forge piece.
[0049] S4, the manipulator 400 is started, and the clamp and the forge piece are lifted; then the manipulator 400 is moved according to the preset path, and the forge piece is transferred to the target placement area.
[0050] In addition, it should be noted that the components not described in detail herein are prior art.
[0051] It is important to note that the constructions and arrangements of this application shown in several different exemplary embodiments are merely illustrative. Although only a few embodiments are described in detail in this disclosure, those who consult this disclosure will readily understand that many modifications are possible (e.g., variations in the size, dimensions, structure, shape, and proportions of various elements, as well as parameter values (e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, orientation, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in this application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of elements may be inverted or otherwise altered, and the nature or number or position of discrete elements may be changed or altered. Other substitutions, modifications, alterations, and omissions may be made in the design, operation, and arrangement of the exemplary embodiments without departing from the scope of the invention. Therefore, the invention is not limited to the particular embodiments but extends to a variety of modifications that still fall within the scope of the appended claims.
[0052] Furthermore, in order to provide a concise description of exemplary embodiments, not all features of actual embodiments (i.e., those features that are not relevant to the currently considered best mode for carrying out the invention, or those features that are not relevant to implementing the invention) may be omitted.
[0053] It should be understood that numerous specific implementation decisions can be made during the development of any practical implementation, such as in any engineering or design project. Such development efforts may be complex and time-consuming, but for those skilled in the art who benefit from this disclosure, the development effort will be a routine work of design, manufacturing, and production without requiring much experimentation.
[0054] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit it. Although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all such modifications or substitutions should be covered within the scope of the claims of the present invention.
Claims
1. A transfer fixture for ultra-large titanium alloy frame forgings, comprising a manipulator (400) and two symmetrical L-shaped beams (100); characterized in that: Two straight pull rods (300) are fixedly connected to the top of the L-shaped beam (100), and the straight pull rods (300) are movably sleeved inside the clamping arm of the manipulator (400). Multiple support rods (200) are installed on the opposite side of the two L-shaped beams (100), and multiple washers (500) for adjusting the height of the manipulator (400) are movably sleeved on the outside of the straight pull rods (300).
2. The transfer fixture for ultra-large titanium alloy frame forgings according to claim 1, characterized in that, The L-shaped beam (100) has multiple slots (102) equidistantly spaced inside, and the support rod (200) is movably inserted into the corresponding slot (102).
3. A transfer fixture for ultra-large titanium alloy frame forgings according to claim 1, characterized in that, Each of the two L-shaped beams (100) is fixedly connected to a fixing frame (101) on one side away from each other. The fixing frame (101) has multiple fixing holes (104) equidistantly opened inside. Fixing bolts (103) are movably inserted into the fixing holes (104), and the fixing bolts (103) are threaded into the corresponding support rods (200).
4. A transfer fixture for ultra-large titanium alloy frame forgings according to claim 1, characterized in that, The upper part of the straight pull rod (300) is provided with a threaded part, and the threaded part of the straight pull rod (300) is threadedly fitted with a fastening nut (302) for fixing the manipulator (400).
5. A transfer fixture for ultra-large titanium alloy frame forgings according to claim 1, characterized in that, The two straight tie rods (300) located at the front end are fixedly connected to both sides with reinforcing ribs (301), and the reinforcing ribs (301) are fixedly connected to the top of the L-shaped beam (100). The other two straight tie rods (300) are fixedly sleeved with support sleeves (303), and the support sleeves (303) are fixedly connected to the top of the L-shaped beam (100).
6. A transfer fixture for ultra-large titanium alloy frame forgings according to claim 1, characterized in that, The washer (500) includes two U-shaped chucks (501) that interlock with each other, and each of the two opposite sides is provided with a recess (503) and a protrusion (502) that matches the recess (503).
7. A method for using a transfer fixture for ultra-large titanium alloy frame forgings, characterized in that: The transfer fixture for ultra-large titanium alloy frame forgings according to any one of claims 1 to 6 transfers the titanium alloy frame forgings according to the following steps: S1. Based on the length and width dimensions of the titanium alloy frame forging, determine the support spacing of the support rod (200): insert the support rod (200) into the corresponding slots (102) that are equally spaced inside the L-shaped beam (100), and then pass the fixing bolt (103) through the corresponding fixing hole (104) inside the fixing bracket (101) that is fixedly connected to the opposite side of the L-shaped beam (100), and thread it into the support rod (200) until the support rod (200) and the L-shaped beam (100) are tightly fixed. S2. According to the height requirements of the forging, a suitable number of washers (500) are movably sleeved on the outside of the straight pull rod (300). The protrusion (502) of the washer (500) and the concave hole (503) are engaged to ensure that the washer (500) is stacked stably. Then, the straight pull rod (300) is inserted into the clamping arm of the manipulator (400). After adjusting the overall height of the clamp to match the support requirements of the forging, the fastening nut (302) is screwed into the threaded part of the straight pull rod (300) to fix the straight pull rod (300) and the clamping arm of the manipulator (400). S3. Open the two clamping arms of the manipulator (400) so that the two L-shaped beams (100) open. Then move it to the position directly above the forging. Then lower the manipulator (400) so that the support rod (200) is lowered below the forging. Then close the two clamping arms of the manipulator (400) so that the support rods (200) on the two L-shaped beams (100) are completely in contact with the bottom of the forging. S4. Start the manipulator (400) to lift the fixture and forging; then move the manipulator (400) along the preset path to transfer the forging to the target placement area.