CN114161082B - Honeycomb curved surface core trimming tool and method - Google Patents
Honeycomb curved surface core trimming tool and method Download PDFInfo
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- CN114161082B CN114161082B CN202111301449.8A CN202111301449A CN114161082B CN 114161082 B CN114161082 B CN 114161082B CN 202111301449 A CN202111301449 A CN 202111301449A CN 114161082 B CN114161082 B CN 114161082B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
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Abstract
The invention provides a honeycomb curved surface core trimming tool and a method, which comprises a support frame and a die frame arranged on the support frame, wherein the die frame is provided with an assembly groove matched with a honeycomb curved surface core, and a punching positioning mechanism is arranged at the position, corresponding to the assembly groove, on the die frame; the punching positioning mechanism comprises a positioning sleeve arranged on the die frame and a punching piece arranged on the positioning sleeve in a sliding mode, the positioning sleeve is communicated with the assembling groove, and the length direction of the punching piece is the same as that of the positioning sleeve. The invention provides a honeycomb curved surface core trimming tool which is light in weight design, simple in structure, stable and reliable, can realize preliminary limit on a honeycomb curved surface core by arranging an assembly groove matched with the honeycomb curved surface core on a die frame, can realize punching and limit fixing on the honeycomb curved surface core by combining a punching positioning mechanism arranged on the die frame, and is convenient for an operator to perform trimming operation on the honeycomb curved surface core.
Description
Technical Field
The invention belongs to the field of honeycomb core processing, and particularly relates to a honeycomb curved surface core edge cutting tool and a method.
Background
Because the composite material sandwich structure has the advantages of light weight, high specific strength-to-rigidity, fatigue resistance, sound absorption, noise reduction, heat insulation and the like, the requirements of modern airplanes for further reducing weight and oil consumption while pursuing performance improvement are met; the current advanced civil aircraft successfully applies the honeycomb sandwich structure to the primary and secondary force structures such as elevators, rudders, engine fairings, fuselage wing fairings, wings and the like; in order to meet the requirements of an aerodynamic surface, the curved surfaces of a plurality of parts are complex and have large deformation, and over-stretched honeycomb core materials are often selected for splicing and then are cut to form the hollow cylinder.
When a curved surface honeycomb core part is manufactured, a large machining tool is usually manufactured firstly, the structure is complex, the size is large, the use is inconvenient, when the honeycomb core is machined by using the existing machining method, rough cutting is needed firstly, a margin of more than 30mm is reserved around the honeycomb core, then the honeycomb core is placed on a core cutting sample plate to be subjected to fine cutting and edge cutting to a net size, and finally punching is completed, the machining method is complex, the machining tool is heavy, the manufacturing cost is high, the honeycomb part manufacturing steps are multiple, the working time is long, the consumption of raw materials and auxiliary materials is large, and the quality of the part cannot be guaranteed to be stable, so the existing machining tool and machining method are not beneficial to improving the machining efficiency of the honeycomb core; especially, current cutting edge frock can't realize punching and cutting edge synchronous go on when using, and the honeycomb core punches or cuts edge the in-process at solitary and takes place to remove very easily, leads to the part machining quality to descend, has influenced the production efficiency and the yield of honeycomb core part.
Disclosure of Invention
In view of the above, the invention aims to provide an edge cutting tool and an edge cutting method for a honeycomb curved surface core, so as to solve the problem that the existing edge cutting processing effect of the honeycomb curved surface core is poor.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a honeycomb curved surface core trimming tool comprises a supporting frame and a die frame arranged on the supporting frame, wherein an assembling groove matched with a honeycomb curved surface core is formed in the die frame, and a punching positioning mechanism is arranged on the die frame at a position corresponding to the assembling groove; the punching positioning mechanism comprises a positioning sleeve arranged on the die frame and a punching piece arranged on the positioning sleeve in a sliding manner, the positioning sleeve is communicated with the assembling groove, and the length direction of the punching piece is the same as that of the positioning sleeve; one end of the punching piece, which extends into the positioning sleeve, is provided with a drilling hole part, the other end of the punching piece, which extends out of the positioning sleeve, is provided with a connector, and a positioning assembly for limiting the punching piece is arranged on the connector; the positioning assembly comprises buckling pieces which correspond to the punching pieces and are arranged on the connecting head, the buckling pieces are at least evenly arranged, one end of each buckling piece is rotatably arranged on the connecting head, the other end of each buckling piece is provided with a clamping block, and a clamping groove matched with the clamping block is formed in the positioning sleeve.
Furthermore, at least two clamping grooves are arranged at intervals along the length direction of the positioning sleeve.
Furthermore, the locating sleeve is a cylindrical structural member, the punching member is a cylindrical structural member which is in running fit with the locating sleeve, the clamping groove is an annular groove, and the locating sleeve, the punching member and the clamping groove are coaxially arranged.
Furthermore, one end of the clamping block extending into the clamping groove is provided with an inclined plane part which is convenient for the clamping block to move out of the clamping groove, and the inclined plane part is arranged towards the connector.
Furthermore, the buckle piece is rotatably installed on the connecting head through a spring hinge.
Furthermore, a buffer gasket is arranged on one side, facing the connector, of the positioning sleeve.
Furthermore, the support frame comprises at least two U-shaped supports, one side of the opening of each U-shaped support faces the mold frame, and the two adjacent U-shaped supports are connected through a connecting rod.
A core trimming method applying a honeycomb curved surface core trimming tool comprises the following steps:
s1, placing a honeycomb curved surface core into an assembly groove of a mold frame, and limiting the movement of the honeycomb curved surface core by using the assembly groove;
s2, after the edge of the honeycomb curved surface core is temporarily fixed by using a tool, punching is performed on a punching point at the position of the edge to be cut of the honeycomb curved surface core by using a punching positioning mechanism, after punching is completed, the edge fixing of the honeycomb curved surface core is released, and the state that a punching piece is inserted into the honeycomb curved surface core is kept, so that the punching piece limits the movement of the honeycomb curved surface core;
s3, cutting the edge of the honeycomb curved surface mold core to be cut by utilizing cutting equipment along the edge of the mold frame;
and S4, repeating the steps S2 to S3 until all edges of the honeycomb curved surface mold core are cut completely, and taking down the honeycomb curved surface mold core.
Further, the specific punching process of the punching positioning mechanism in the step S2 is as follows:
s21, utilizing a tool to tightly press and fix the edge of the honeycomb curved surface mold core on a mold frame, and enabling the honeycomb curved surface mold core to be attached to the mold frame;
s22, connecting the connector on the punching piece with external driving equipment, driving the connector and the punching piece to rotate by using the external driving equipment, generating centrifugal force in the rotating process of the connector, overcoming the elasticity of a spring hinge to rotate by a clamping piece on the connector under the action of the centrifugal force, separating a clamping block on the clamping piece from a clamping groove, and releasing the limiting of the clamping piece on the punching piece;
s23, pushing the punching piece to move towards the honeycomb curved-surface core along the positioning sleeve by using external driving equipment, so that the drilling part on the punching piece punches the honeycomb curved-surface core;
s24, after punching, connection between the external driving device and the connector is removed, the connector and the punching piece stop rotating, after the clamping piece loses the centrifugal force effect, the clamping piece rotates and resets under the action of the reset elastic force of the spring hinge, the clamping block on the clamping piece is matched with the clamping groove on the positioning sleeve, the limiting of the clamping piece on the punching piece is achieved again, and the punching piece is enabled to be kept in a state of being inserted into the honeycomb curved surface core.
Further, the specific process of taking down the honeycomb curved-surface core in the step S4 is as follows:
s41, moving the punching piece out of the honeycomb curved-surface core, releasing the limit of the punching piece on the honeycomb curved-surface core, and limiting the punching piece in the positioning sleeve again through the matching of a clamping block on the clamping piece and a clamping groove on the positioning sleeve;
and S42, taking the honeycomb curved surface core off the mold frame.
Compared with the prior art, the honeycomb curved surface core edge cutting tool and the method have the following advantages:
the invention provides a honeycomb curved surface core trimming tool which adopts a lightweight design, is simple in structure, is stable and reliable, can realize preliminary limit on a honeycomb curved surface core by arranging an assembly groove matched with the honeycomb curved surface core on a die frame, can realize punching and limit fixing on the honeycomb curved surface core by combining a punching positioning mechanism arranged on the die frame, is convenient for an operator to perform trimming operation on the honeycomb curved surface core, cannot move in the trimming process of the honeycomb curved surface core, and is favorable for improving the processing efficiency and the processing precision of trimming processing of the honeycomb curved surface core.
The invention also provides an edge cutting method applying the honeycomb curved surface core edge cutting tool, which optimizes the edge cutting processing flow of the honeycomb curved surface core, and sets the edge cutting and the punching of the honeycomb curved surface core on one tool, thereby being beneficial to improving the processing efficiency of the honeycomb curved surface core and reducing the consumption of raw materials; through combining together location structure of punching and cutting edge, it is spacing to punch to honeycomb curved surface core department of wanting the cutting edge, then carries out the cutting edge in proper order, progressively realizes the whole at honeycomb curved surface core edge and tailors, is favorable to improving the accurate nature of cutting edge, reduces honeycomb curved surface core and takes place to remove the error that causes at the cutting edge in-process, has further improved the cutting edge machining precision and the machining efficiency of honeycomb curved surface core.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic structural view of a honeycomb curved core trimming tool according to an embodiment of the invention;
FIG. 2 is a schematic structural view of a punching positioning mechanism in the honeycomb curved surface core trimming tool according to the embodiment of the invention;
FIG. 3 is a schematic structural diagram of a punching part in the honeycomb curved surface core trimming tool for punching holes according to the embodiment of the invention;
fig. 4 is a schematic structural diagram of a punched piece in the honeycomb curved surface core trimming tool after punching is completed.
Description of the reference numerals:
1. a U-shaped bracket; 2. a mold frame; 3. a connecting rod; 4. a punching positioning mechanism; 401. a positioning sleeve; 402. punching a hole; 403. a connector; 404. a fastener; 405. a second card slot; 406. a clamping block; 407. a cushion washer; 408. a spring hinge; 409. a first card slot; 410. drilling a hole part; 411. a bevel portion.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The utility model provides a honeycomb curved surface core trimming frock, as shown in fig. 1 to 4, profile modeling mould frame 2 that sets up on support frame and the support frame, 2 shapes of this mould frame can be the same with the honeycomb curved surface core shape that will process, 2 tops of mould frame are equipped with honeycomb curved surface core complex assembly slots, after assembly slots were put into to honeycomb curved surface core, honeycomb curved surface core edge salient is the part that the trimming got rid of in mould frame 2, the trimming in-process, operating personnel can carry out the trimming to honeycomb curved surface core along 2 edges of mould frame, can improve the trimming effect and the trimming efficiency of honeycomb curved surface core, be favorable to having improved the production machining efficiency and the yields of honeycomb curved surface core.
Optionally, the support frame comprises at least two U-shaped supports 1, one side of the opening of each U-shaped support 1 faces the mold frame 2, two adjacent U-shaped supports 1 are connected through a connecting rod 3, and the two connecting rods 3 can be correspondingly arranged to improve the structural strength and stability of the support frame; compare other structures, U type support 1 has better structural strength and stability, and simple structure, and the quality is light, can realize the lightweight optimization to the support frame.
Optionally, the connecting rod 3 and the U-shape may be connected by a screw to realize stable connection between the U-shaped bracket 1 and the connecting rod 3, and the mold frame 2 may also be fixed to the end of the U-shaped bracket 1 by a screw; through adopting U type support 1 and connecting rod 3 to constitute the support frame, not only improved the structural strength of support frame, reduced support frame overall structure's weight moreover, realized the lightweight design of this kind of cutting edge frock, make things convenient for operating personnel to use this kind of cutting edge frock to carry out the processing operation.
Because the honeycomb curved-surface core also needs to be punched, the punching positioning mechanism 4 is arranged on the die frame 2 corresponding to the position where the honeycomb curved-surface core needs to be punched, and by using the tool, punching and trimming of the honeycomb curved-surface core can be synchronously realized, so that the processing steps can be reduced, and the processing efficiency can be improved; wherein the positioning mechanism 4 that punches not only can be used for realizing the processing of punching of honeycomb curved surface core, but also can realize the honeycomb curved surface core assistance-localization real-time, avoids honeycomb curved surface core to take place to remove at the cutting edge in-process, ensures that operating personnel can be swiftly accurate carry out the cutting edge to honeycomb curved surface core, has further improved the cutting edge accuracy of honeycomb curved surface core, punches and goes on in step with the cutting edge, also can further improve the production machining efficiency of honeycomb curved surface core.
The punching positioning mechanism 4 comprises a positioning sleeve 401 arranged on the die frame 2 and a punching piece 402 arranged on the positioning sleeve 401 in a sliding manner, the positioning sleeve 401 is communicated with the assembling groove, a mounting hole for mounting the positioning sleeve 401 can be formed in the die frame 2, and the positioning sleeve 401 can be fixed on the die frame 2 through screws or welding so as to realize stable arrangement of the positioning sleeve 401 on the die frame 2. The length direction of the punching piece 402 is the same as that of the positioning sleeve 401, and the punching piece 402 can slide along the positioning sleeve 401 and rotate in the positioning sleeve 401, so that punching operation on the honeycomb curved core is realized; wherein, the one end that piece 402 punches stretched into locating sleeve 401 is equipped with drilling portion 410, and the other end stretches out locating sleeve 401, and the one end that piece 402 punches stretched out locating sleeve 401 is equipped with connector 403, and connector 403 can with piece 402 integrated into one piece punches, also can welded fastening to realize the stable connection between connector 403 and the piece 402 that punches, ensure that connector 403 can drive piece 402 that punches and rotate steadily and remove.
Optionally, the drilling portion 410 may be of a conical structure, the conical end is disposed towards the assembly groove, drilling threads may be disposed on the surface of the drilling portion 410, so as to improve the drilling effect of the drilling portion 410, the honeycomb curved core is a multi-layer structural member and mainly includes aluminum alloy sheets on two sides and a honeycomb paperboard in the middle, which is different from conventional mechanical drilling, the honeycomb curved core is special in the drilling working condition, the drilling portion 410 is mainly used for drilling the aluminum alloy sheets, and meanwhile, excessive damage to the honeycomb paperboard needs to be avoided, so that in an actual processing process, the drilling performance requirement on the drilling portion 410 is not high, but certain requirements are imposed on the drilling performance of the drilling portion 410, so that the drilling portion 410 of the conical structure is selected, and a small number of drilling threads are disposed on the drilling portion 410, for example, 2-3 drilling threads are disposed, and the above drilling requirements can be met.
The drilling performance refers to the drilling capability of the drill bit on materials with different thicknesses, generally, the thicker material has higher requirement on the drilling performance of the drill bit, the larger number of the drilling threads on the drill bit is also more, the drill bit needs to continuously cut the surface of the material layer by layer to drill the material, but when the drill bit of the type drills the honeycomb paperboard, the overlarge drilling threads easily crush the honeycomb paperboard and drive or pull the internal structure of the honeycomb paperboard to cause destructive deformation of the honeycomb paperboard and influence the subsequent processing and use of the honeycomb curved core, so that the drilling processing of the honeycomb curved core is not facilitated, the punching performance refers to the capability of the drill bit to penetrate through the material, the conical drilling part has better punching performance, the honeycomb paperboard which is easy to drill can quickly pass through, the damage of the drilling part to the internal structure of the honeycomb paperboard is reduced, and the quality of the machined honeycomb curved core is ensured.
The connector 403 is provided with a positioning assembly for limiting the punching piece 402, the positioning assembly comprises two buckling pieces 404 arranged on the connector 403 around the corresponding punching piece 402, at least two buckling pieces 404 are uniformly arranged, the movement of the punching piece 402 can be better limited by more than two buckling pieces 404, one end of each buckling piece 404 is rotatably arranged on the connector 403 through a spring hinge 408, the other end of each buckling piece 404 is provided with a clamping block 406, and the clamping block 406 can be integrally formed with the buckling piece 404 so as to realize stable connection between the clamping block 406 and the buckling piece 404.
The positioning sleeve 401 is provided with at least two clamping grooves matched with the clamping blocks 406, the clamping grooves are arranged at intervals along the length direction of the positioning sleeve 401, one end, far away from the mold frame 2, of the positioning sleeve 401 is provided with a first clamping groove 409, the other end of the positioning sleeve is provided with a second clamping groove 405, and when the clamping blocks 406 on the clamping pieces 404 are inserted into the first clamping grooves 409, the drilling hole parts 410 on the drilling pieces 402 are located in the positioning sleeve 401, so that the drilling pieces 402 are prevented from influencing the assembly of the honeycomb curved-surface mold core on the mold frame 2; when the clamping block 406 of the clamping element 404 is inserted into the second clamping groove 405, the drilling part 410 of the punching element 402 has already passed through the honeycomb curved core, and at this time, the punching element 402 can achieve the limit fixing of the honeycomb curved core.
Optionally, the positioning sleeve 401 is a cylindrical structural member, the punching member 402 is a cylindrical structural member, the clamping groove is an annular groove, the positioning sleeve 401, the punching member 402 and the clamping groove are coaxially arranged, and lubricating oil can be smeared between the positioning sleeve 401 and the punching member 402 to reduce friction between the positioning sleeve 401 and the punching member 402; the punching piece 402 with the cylindrical structure can stably rotate in the positioning sleeve 401 and can slide along the positioning sleeve 401, so that the honeycomb curved core can be drilled, and the punching effect and the punching efficiency of the punching piece 402 can be improved; the circular clamping groove is beneficial to better matching of the clamping block 406 and the clamping groove, even if the position of the clamping piece 404 changes along with the rotation of the connecting head 403, the clamping block 406 on the clamping piece 404 can still be matched with the circular clamping groove, so that the limiting of the punching piece 402 is realized, and the punching piece 402 is prevented from moving in the positioning sleeve 401.
Optionally, an inclined surface portion 411 for facilitating the movement of the clamping block 406 out of the clamping groove is arranged at one end of the clamping block 406 extending into the clamping groove, the inclined surface portion 411 is located on one side, facing the connecting head 403, of the clamping block 406, the inclined surface portion 411 facilitates the matching of the clamping block 406 and the clamping groove, meanwhile, the clamping block 406 is convenient to separate from the clamping groove, an operator can conveniently remove the limiting and fixing of the punching piece 402 on the honeycomb curved-surface mold core, and the elastic force of the spring hinge 408 can be reasonably selected according to the weight of the clamping piece 404 and the centrifugal force, so that the rotation of the clamping piece 404 is met.
Specifically, when the connector 403 rotates, under the action of centrifugal force, the fastener 404 can rotate against the elastic force of the spring hinge 408, and at this time, the fixture block 406 is separated from the first clamping groove 409, so that the limitation on the punching element 402 is removed, and an operator can drive the punching element 402 to perform punching operation by using an external driving device; in addition, when the connector drives the buckling piece to rotate, the clamping block is far away from one end, connected with the spring hinge, of the buckling piece, so that the clamping block can play a certain weight balancing role on the tail end of the buckling piece, the mass of the tail end of the buckling piece is increased, the generation of centrifugal force is facilitated, the centrifugal force borne by the tail end of the buckling piece is increased, the rotating component force for enabling the buckling piece to rotate is further increased, and the buckling piece can be enabled to overcome the elasticity of the spring hinge to rotate;
after the punching is finished, the connecting head 403 stops rotating, the punching piece 402 without the centrifugal force can reset under the action of the resetting elasticity of the spring hinge 408, the clamping block 406 on the clamping piece 404 is immediately inserted into the second clamping groove 405, the limiting of the punching piece 402 is realized again, the punching piece 402 is kept in a state of being inserted into the honeycomb curved surface core, the movement of the honeycomb curved surface core is limited, and the accurate edge cutting processing is conveniently carried out by an operator;
after the trimming is completed, an operator can push and pull the punching piece 402 by using a tool or manually, so that the punching piece 402 is moved out of the honeycomb curved surface core, in the process that the punching piece 402 is moved out of the honeycomb curved surface core, the inclined surface portion 411 on the clamping block 406 can be matched with the edge of the second clamping groove 405, the edge of the second clamping groove 405 can jack up the clamping block 406 along the inclined surface portion 411, so that the clamping block 406 is separated from the second clamping groove 405, the operation is simple and convenient, the clamping piece 404 does not need to be manually shifted, after the clamping block 406 is separated from the second clamping groove 405, the clamping block 406 can be moved to the position of the first clamping groove 409 and can be reinserted into the first clamping groove 409, and the limitation on the punching piece 402 can be realized again by matching the first clamping groove 409 with the clamping block 406.
Optionally, one side of the positioning sleeve 401 facing the connector 403 is provided with a buffer washer 407, the buffer washer 407 may be made of rubber, the buffer washer 407 may be fixed on the positioning sleeve 401 by being adhered with an adhesive, the buffer washer 407 may play a good role in protecting the positioning sleeve 401, when the connector 403 is driven by an external driving device to move towards one side of the positioning sleeve 401, the buffer washer 407 may play a role in buffering the connector 403, avoid the connector 403 from directly striking the positioning sleeve 401, prevent the connector 403 or the positioning sleeve 401 from being damaged, and facilitate improvement of the service life and reliability of the punching positioning mechanism 4.
This kind of honeycomb curved surface core trimming frock adopts the lightweight design, moreover, the steam generator is simple in structure, and is stable and reliable, through set up on mould frame 2 with honeycomb curved surface core complex assembly groove, can realize preliminary spacing to honeycomb curved surface core, combine the positioning mechanism 4 that punches that sets up on the mould frame 2, can also realize punching and spacing fixed to honeycomb curved surface core, the operating personnel of being convenient for carries out the trimming operation to honeycomb curved surface core, honeycomb curved surface core can not take place to remove at the trimming in-process, be favorable to improving machining efficiency and the machining precision of honeycomb curved surface core trimming processing.
A core trimming method applying a honeycomb curved surface core trimming tool comprises the following steps:
s1, placing a honeycomb curved surface core into an assembly groove of a mold frame, and limiting the movement of the honeycomb curved surface core by using the assembly groove;
s2, temporarily fixing the edge of the honeycomb curved surface core by using clamps such as a clamp, punching a punching point at the position of the edge to be cut of the honeycomb curved surface core by using a punching positioning mechanism, removing the edge fixation of the honeycomb curved surface core after punching is finished, and keeping the state that a punching piece is inserted into the honeycomb curved surface core so that the punching piece limits the movement of the honeycomb curved surface core;
specifically, the specific punching process of the punching positioning mechanism in step S2 is as follows:
s21, pressing and fixing the edge of the honeycomb curved surface mold core on a mold frame by using tools such as a clamp and the like to enable the honeycomb curved surface mold core to be attached to the mold frame;
s22, connecting a connector on the punching piece with external driving equipment, driving the connector and the punching piece to rotate by using the external driving equipment, wherein the external driving equipment can adopt a portable motor, the output end of the motor can be connected with the connector, and the connector can adopt a quick-plugging connector matched with the external driving equipment so as to realize convenient connection and separation between the punching piece and the external driving equipment; the connector is connected with the drilling piece through the first clamping groove, and the drilling piece is connected with the connector through the second clamping groove;
s23, pushing the punching piece to move towards the honeycomb curved-surface core along the positioning sleeve by using external driving equipment, so that a drilling part on the punching piece punches the honeycomb curved-surface core, the drilling part is driven by the external driving equipment to punch the honeycomb curved-surface core, and a smooth surface part in the middle of the punching piece is positioned at a through hole of the honeycomb curved-surface core, so that the honeycomb curved-surface core is limited;
s24, after punching is completed, after the external driving device stops working, an operator can manually remove connection between the external driving device and the connector, the connector and a punching part stop rotating, after the clamping part loses the centrifugal force effect, the clamping part rotates and resets under the action of the reset elastic force of the spring hinge, a clamping block on the clamping part is matched with a second clamping groove on the positioning sleeve, the clamping part is limited to the punching part again, and the punching part is enabled to be kept in a state of being inserted into the honeycomb curved surface core.
S3, cutting the edge of the honeycomb curved surface mold core to be cut by utilizing cutting equipment along the edge of the mold frame; under the spacing of the piece that punches, when operating personnel carried out the cutting edge to this honeycomb curved surface core again, this honeycomb curved surface core can not take place to remove, and operating personnel can follow mould frame edge and tailor fast, and is easy and simple to handle.
And S4, repeating the steps from S2 to S3, sequentially cutting each edge of the honeycomb curved surface mold core until all the edges of the honeycomb curved surface mold core are cut, and taking down the honeycomb curved surface mold core.
Specifically, the specific process of taking down the honeycomb curved core in step S4 is as follows:
s41, moving the punching part out of the honeycomb curved-surface core by using a tool or manually, releasing the limit of the punching part on the honeycomb curved-surface core, and limiting the punching part in the positioning sleeve again through the matching of a clamping block on the clamping part and a first clamping groove on the positioning sleeve;
and S42, taking the honeycomb curved surface core off the mold frame.
The invention provides a honeycomb curved surface core trimming tool which adopts a lightweight design, is simple in structure, is stable and reliable, can realize preliminary limit on a honeycomb curved surface core by arranging an assembly groove matched with the honeycomb curved surface core on a die frame, can realize punching and limit fixing on the honeycomb curved surface core by combining a punching positioning mechanism arranged on the die frame, is convenient for an operator to perform trimming operation on the honeycomb curved surface core, cannot move in the trimming process of the honeycomb curved surface core, and is favorable for improving the processing efficiency and the processing precision of trimming processing of the honeycomb curved surface core.
The invention also provides an edge cutting method applying the honeycomb curved surface core edge cutting tool, which optimizes the edge cutting processing flow of the honeycomb curved surface core, and sets the edge cutting and the punching of the honeycomb curved surface core on one tool, thereby being beneficial to improving the processing efficiency of the honeycomb curved surface core and reducing the consumption of raw materials; through combining together location punching structure and cutting edge, it is spacing to punch to honeycomb curved surface core department of wanting the cutting edge, then carries out the cutting edge in proper order, progressively realizes that the whole at honeycomb curved surface core edge is tailor, is favorable to improving the accurate nature of cutting edge, reduces honeycomb curved surface core and takes place to remove the error that causes at the cutting edge in-process, has further improved the cutting edge machining precision and the machining efficiency of honeycomb curved surface core.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. The utility model provides a honeycomb curved surface core trimming frock which characterized in that: the honeycomb curved surface core punching die comprises a supporting frame and a die frame (2) arranged on the supporting frame, wherein an assembly groove matched with the honeycomb curved surface core is formed in the die frame (2), and a punching positioning mechanism (4) is arranged on the die frame (2) at a position corresponding to the assembly groove; the punching positioning mechanism (4) comprises a positioning sleeve (401) arranged on the die frame (2) and a punching piece (402) arranged on the positioning sleeve (401) in a sliding manner, the positioning sleeve (401) is communicated with the assembling groove, and the length direction of the punching piece (402) is the same as that of the positioning sleeve (401); one end, extending into the positioning sleeve (401), of the punching piece (402) is provided with a drilling part (410), the other end of the punching piece extends out of the positioning sleeve (401), one end, extending out of the positioning sleeve (401), of the punching piece (402) is provided with a connecting head (403), and a positioning assembly used for limiting the punching piece (402) is arranged on the connecting head (403); the positioning assembly comprises buckling pieces (404) which are arranged on the connector (403) around the corresponding punching piece (402), the number of the buckling pieces (404) is at least two, one end of each buckling piece (404) is rotatably arranged on the connector (403), the other end of each buckling piece (404) is provided with a clamping block (406), and a clamping groove matched with the clamping block (406) is formed in the positioning sleeve (401).
2. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: the clamping grooves are at least two at intervals along the length direction of the positioning sleeve (401).
3. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: the positioning sleeve (401) is a cylindrical structural member, the punching member (402) is a cylindrical structural member, the clamping groove is an annular groove, and the positioning sleeve (401), the punching member (402) and the clamping groove are coaxially arranged.
4. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: one end of the clamping block (406) extending into the clamping groove is provided with an inclined surface part (411) which is convenient for the clamping block (406) to move out of the clamping groove.
5. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: the buckle piece (404) is rotatably arranged on the connecting head (403) through a spring hinge (408).
6. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: one side of the locating sleeve (401) facing the connecting head (403) is provided with a buffer gasket (407).
7. The honeycomb curved surface core trimming tool according to claim 1, characterized in that: the support frame comprises at least two U-shaped supports (1), one side of an opening of each U-shaped support (1) is arranged towards the mold frame (2), and the two adjacent U-shaped supports (1) are connected through a connecting rod (3).
8. The core trimming method using the honeycomb curved surface core trimming tool of claim 1 is characterized by comprising the following steps of:
s1, placing a honeycomb curved surface mold core into an assembly groove of a mold frame (2), and limiting the movement of the honeycomb curved surface mold core by using the assembly groove;
s2, after the edge of the honeycomb curved surface core is temporarily fixed by using a tool, punching is carried out on a punching point at the position, needing to be cut, of the honeycomb curved surface core by using a punching positioning mechanism (4), after punching is finished, the edge fixing of the honeycomb curved surface core is released, the state that a punching piece (402) is inserted into the honeycomb curved surface core is kept, and the punching piece (402) limits the movement of the honeycomb curved surface core;
s3, utilizing cutting equipment to cut edges of the honeycomb curved surface mold core along the edge of the mold frame (2);
and S4, repeating the steps from S2 to S3 until all edges of the honeycomb curved surface mold core are cut, and taking down the honeycomb curved surface mold core.
9. The tool and the method for trimming the honeycomb curved-surface core according to claim 8, wherein the specific punching process of the punching positioning mechanism in the step S2 is as follows:
s21, utilizing a tool to tightly press and fix the edge of the honeycomb curved surface mold core on the mold frame (2) so that the honeycomb curved surface mold core is attached to the mold frame (2);
s22, connecting a connector (403) on the punching piece (402) with external driving equipment, driving the connector (403) and the punching piece (402) to rotate by using the external driving equipment, generating centrifugal force in the rotating process of the connector (403), overcoming the elastic force of a spring hinge (408) to rotate by a buckle piece (404) on the connector (403) under the action of the centrifugal force, separating a clamping block (406) on the buckle piece (404) from a clamping groove, and releasing the limit of the buckle piece (404) on the punching piece (402);
s23, pushing the punching piece (402) to move towards the honeycomb curved-surface core along the positioning sleeve (401) by using external driving equipment, and punching the honeycomb curved-surface core by using a drilling part (410) on the punching piece (402);
s24, after punching is finished, connection between the external driving device and the connecting head (403) is released, the connecting head (403) and the punching piece (402) stop rotating, the clamping piece (404) rotates and resets under the action of the resetting elastic force of the spring hinge (408) after losing the centrifugal force effect, a clamping block (406) on the clamping piece (404) is matched with a clamping groove on the positioning sleeve (401), the limiting of the clamping piece (404) on the punching piece (402) is achieved again, and the punching piece (402) is kept in a state of being inserted into the honeycomb curved-surface mold core.
10. The tool and the method for trimming the honeycomb curved-surface core, according to claim 8, are characterized in that the specific process of taking down the honeycomb curved-surface core in the step S4 is as follows:
s41, moving the punching piece (402) out of the honeycomb curved-surface core, releasing the position limitation of the punching piece (402) on the honeycomb curved-surface core, and limiting the punching piece (402) in the positioning sleeve (401) again through the matching of a clamping block (406) on a clamping piece (404) and a clamping groove on the positioning sleeve (401);
and S42, taking the honeycomb curved surface core off the mold frame (2).
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| CN202111301449.8A CN114161082B (en) | 2021-11-04 | 2021-11-04 | Honeycomb curved surface core trimming tool and method |
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| CN202111301449.8A CN114161082B (en) | 2021-11-04 | 2021-11-04 | Honeycomb curved surface core trimming tool and method |
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| CN114161082A CN114161082A (en) | 2022-03-11 |
| CN114161082B true CN114161082B (en) | 2022-10-21 |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2728384A1 (en) * | 1977-06-24 | 1979-01-18 | Leybold Heraeus Gmbh & Co Kg | Curved surface cutting edge - assumes position in operation equidistant from finally machined surface at each machining surface position |
| DE3030537A1 (en) * | 1980-08-13 | 1982-03-25 | Zehma Spezial-Stanz- und Schnittwerkzeug GmbH, 6903 Neckargemünd | Hollow workpiece esp. automobile component is coated with foil - by deep drawing in mould with fixed and sliding components |
| CN104148724A (en) * | 2014-08-06 | 2014-11-19 | 安徽省芜湖仪器仪表研究所 | Steel strip shearing machine for cellular board capable of guaranteeing uniformity of forced convection flow field |
| CN204819731U (en) * | 2015-07-28 | 2015-12-02 | 宁波沥高复合材料有限公司 | But angle regulation's honeycomb panel cutting device |
| CN106182825A (en) * | 2016-07-13 | 2016-12-07 | 航天海鹰(镇江)特种材料有限公司 | The localization method of soft frock in a kind of composite product forming process |
| CN205799099U (en) * | 2016-05-09 | 2016-12-14 | 张威 | Tube end face nock copying apparatus |
| CN107351134A (en) * | 2017-07-31 | 2017-11-17 | 菲舍尔航空部件（镇江）有限公司 | Handheld clamp for comb core cutting blade |
| CN108747593A (en) * | 2018-07-19 | 2018-11-06 | 广州飞机维修工程有限公司 | A kind of technique for aircraft composite honeycomb core material copying equipment |
| CN108747513A (en) * | 2018-07-09 | 2018-11-06 | 吉林大学 | A kind of adjustable vacuum fixture tooling of the multiple spot of milling curved-surface piece |
| CN208483119U (en) * | 2018-07-11 | 2019-02-12 | 十堰市涌泉材料科技有限公司 | One kind punching riveting honeycomb core assembly and tooling from material |
| CN109500918A (en) * | 2019-01-09 | 2019-03-22 | 成都飞机工业（集团）有限责任公司 | A kind of honeycomb core structures part contour edge method for cutting edge |
| CN109591334A (en) * | 2018-10-12 | 2019-04-09 | 江西昌河航空工业有限公司 | A kind of localization method of pair of honeycomb parts punching |
| CN109648358A (en) * | 2019-01-20 | 2019-04-19 | 成都飞机工业（集团）有限责任公司 | A kind of flexible frock and holding method for honeycomb core part processing and fixing |
| CN210023972U (en) * | 2019-05-08 | 2020-02-07 | 广西科技大学鹿山学院 | Four-axis adjustable cutting depth's profile modeling cutting machine |
| CN111230984A (en) * | 2020-03-17 | 2020-06-05 | 成都航空职业技术学院 | Adjustable multi-hole-site composite material curved surface drilling fixture device |
| CN112776373A (en) * | 2021-01-22 | 2021-05-11 | 天津波音复合材料有限责任公司 | One-step splicing forming die for curved honeycomb core |
| CN213702836U (en) * | 2020-08-26 | 2021-07-16 | 中国航空工业集团公司济南特种结构研究所 | Tool for honeycomb blanking and shape modification |
| CN213889103U (en) * | 2020-11-23 | 2021-08-06 | 沈阳明日航材设备技术有限公司 | Combined tool for machining metal honeycomb workpiece |
-
2021
- 2021-11-04 CN CN202111301449.8A patent/CN114161082B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2728384A1 (en) * | 1977-06-24 | 1979-01-18 | Leybold Heraeus Gmbh & Co Kg | Curved surface cutting edge - assumes position in operation equidistant from finally machined surface at each machining surface position |
| DE3030537A1 (en) * | 1980-08-13 | 1982-03-25 | Zehma Spezial-Stanz- und Schnittwerkzeug GmbH, 6903 Neckargemünd | Hollow workpiece esp. automobile component is coated with foil - by deep drawing in mould with fixed and sliding components |
| CN104148724A (en) * | 2014-08-06 | 2014-11-19 | 安徽省芜湖仪器仪表研究所 | Steel strip shearing machine for cellular board capable of guaranteeing uniformity of forced convection flow field |
| CN204819731U (en) * | 2015-07-28 | 2015-12-02 | 宁波沥高复合材料有限公司 | But angle regulation's honeycomb panel cutting device |
| CN205799099U (en) * | 2016-05-09 | 2016-12-14 | 张威 | Tube end face nock copying apparatus |
| CN106182825A (en) * | 2016-07-13 | 2016-12-07 | 航天海鹰(镇江)特种材料有限公司 | The localization method of soft frock in a kind of composite product forming process |
| CN107351134A (en) * | 2017-07-31 | 2017-11-17 | 菲舍尔航空部件（镇江）有限公司 | Handheld clamp for comb core cutting blade |
| CN108747513A (en) * | 2018-07-09 | 2018-11-06 | 吉林大学 | A kind of adjustable vacuum fixture tooling of the multiple spot of milling curved-surface piece |
| CN208483119U (en) * | 2018-07-11 | 2019-02-12 | 十堰市涌泉材料科技有限公司 | One kind punching riveting honeycomb core assembly and tooling from material |
| CN108747593A (en) * | 2018-07-19 | 2018-11-06 | 广州飞机维修工程有限公司 | A kind of technique for aircraft composite honeycomb core material copying equipment |
| CN109591334A (en) * | 2018-10-12 | 2019-04-09 | 江西昌河航空工业有限公司 | A kind of localization method of pair of honeycomb parts punching |
| CN109500918A (en) * | 2019-01-09 | 2019-03-22 | 成都飞机工业（集团）有限责任公司 | A kind of honeycomb core structures part contour edge method for cutting edge |
| CN109648358A (en) * | 2019-01-20 | 2019-04-19 | 成都飞机工业（集团）有限责任公司 | A kind of flexible frock and holding method for honeycomb core part processing and fixing |
| CN210023972U (en) * | 2019-05-08 | 2020-02-07 | 广西科技大学鹿山学院 | Four-axis adjustable cutting depth's profile modeling cutting machine |
| CN111230984A (en) * | 2020-03-17 | 2020-06-05 | 成都航空职业技术学院 | Adjustable multi-hole-site composite material curved surface drilling fixture device |
| CN213702836U (en) * | 2020-08-26 | 2021-07-16 | 中国航空工业集团公司济南特种结构研究所 | Tool for honeycomb blanking and shape modification |
| CN213889103U (en) * | 2020-11-23 | 2021-08-06 | 沈阳明日航材设备技术有限公司 | Combined tool for machining metal honeycomb workpiece |
| CN112776373A (en) * | 2021-01-22 | 2021-05-11 | 天津波音复合材料有限责任公司 | One-step splicing forming die for curved honeycomb core |
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|---|---|
| CN114161082A (en) | 2022-03-11 |
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Address after: 300000 No.2 workshop of high power bulldozer, No.18 Yingchun Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee after: Tianjin istar-space Technology Co.,Ltd. Address before: 300000 No.2 workshop of high power bulldozer, No.18 Yingchun Road, Huaming hi tech Industrial Zone, Dongli District, Tianjin Patentee before: SUZHOU ISTAR AVIATION TECHNOLOGY Co.,Ltd. |