CN115055986A - Fan-shaped workpiece positioning fixture - Google Patents
Fan-shaped workpiece positioning fixture Download PDFInfo
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- CN115055986A CN115055986A CN202210749347.0A CN202210749347A CN115055986A CN 115055986 A CN115055986 A CN 115055986A CN 202210749347 A CN202210749347 A CN 202210749347A CN 115055986 A CN115055986 A CN 115055986A
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23H—WORKING OF METAL BY THE ACTION OF A HIGH CONCENTRATION OF ELECTRIC CURRENT ON A WORKPIECE USING AN ELECTRODE WHICH TAKES THE PLACE OF A TOOL; SUCH WORKING COMBINED WITH OTHER FORMS OF WORKING OF METAL
- B23H11/00—Auxiliary apparatus or details, not otherwise provided for
- B23H11/003—Mounting of workpieces, e.g. working-tables
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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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/08—Devices for clamping a plurality of workpieces
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- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a fan-shaped workpiece positioning clamp which is used for clamping a fan-shaped workpiece, the wall thickness of the inner arc surface of the fan-shaped workpiece is not fixed, the fan-shaped workpiece positioning clamp comprises a clamping mechanism, the clamping mechanism comprises a positioning seat, a positioning assembly and a clamping assembly, an arc-shaped positioning wall is arranged on the positioning seat and used for abutting against the outer arc surface of the fan-shaped workpiece, the positioning assembly is movably arranged on the positioning seat and used for moving relative to the positioning seat to a state of abutting against the end surface to be machined of the fan-shaped workpiece, and the clamping assembly faces the arc-shaped positioning wall and is used for abutting against the inner arc surface of the fan-shaped workpiece. The fan-shaped workpiece positioning clamp provided by the invention can position fan-shaped workpieces along a uniform positioning reference, realizes accurate positioning of the fan-shaped workpieces, has a simple and efficient clamping and positioning structure, can ensure that the end surface to be machined of each fan-shaped workpiece has no deviation, effectively simplifies the machining steps, improves the machining efficiency and ensures the machining precision.
Description
Technical Field
The invention relates to the technical field of machining of fan-shaped parts of aircraft engines, in particular to a fan-shaped workpiece positioning clamp.
Background
At present, to the terminal surface manufacturing procedure of fan-shaped work piece of certain type aeroengine, because the intrados of this fan-shaped work piece is equipped with the spraying layer, lead to the wall body thickness of its intrados to be influenced by spraying technology and change, thereby lead to the wall body thickness of the intrados of this fan-shaped work piece indefinite, and then lead to different fan-shaped work pieces to be treated the processing position after being fixed by the clamping and to have the deviation, consequently every fan-shaped work piece must all carry out the alignment of tool setting in X axle direction and Y axle direction before the processing, manual work carries out manual zero setting to the machine tool after calculating the clamping offset, not only the processing step is loaded down with trivial details, machining efficiency is lower, and the machining precision receives the influence of alignment of tool setting procedure, the risk that the human low-level mistake leads to the machining precision not to meet the demands exists.
Disclosure of Invention
The invention provides a fan-shaped workpiece positioning clamp, which aims to solve the technical problems that the processing steps of a fan-shaped workpiece with an inner arc surface wall body with variable thickness are complicated, the processing efficiency is low and the processing precision is difficult to guarantee.
The utility model provides a fan-shaped work piece positioning fixture for the fan-shaped work piece of clamping, the wall body thickness of the intrados of fan-shaped work piece is indefinite, fan-shaped work piece positioning fixture includes at least one clamping machine structure, clamping machine constructs including positioning seat, locating component and centre gripping subassembly, be equipped with arc location wall on the positioning seat, arc location wall with the extrados phase-match of fan-shaped work piece and be used for the butt the extrados of fan-shaped work piece, locating component movably install in on the positioning seat, locating component is used for relatively the positioning seat removes and removes to support and lean on the state of treating the processing terminal surface of fan-shaped work piece, the centre gripping subassembly orientation arc location wall sets up and is used for the butt the intrados of fan-shaped work piece, thereby pass through the centre gripping subassembly will fan-shaped work piece support tightly to be fixed in on the arc location wall.
Preferably, the positioning assembly comprises a positioning plate and a positioning bolt, the positioning plate is mounted on the end face of the positioning seat and used for moving relative to the positioning seat to a position covering the arc-shaped positioning wall or avoiding the arc-shaped positioning wall, and the positioning bolt sequentially penetrates through the positioning plate and the positioning seat and is used for locking and fixing the positioning plate on the positioning seat.
Furthermore, waist-shaped holes are formed in the positioning plate along the moving direction of the positioning plate, the positioning bolts penetrate through the waist-shaped holes, and the positioning plate is used for translating relative to the positioning seat through the guide matching of the waist-shaped holes and the positioning bolts.
Furthermore, the locating plate is provided with a round hole, the locating bolt penetrates through the round hole, and the locating plate is used for rotating along the locating bolt through the round hole.
Preferably, the clamping mechanism is provided with a plurality of positioning plates, the fan-shaped workpiece positioning fixture further comprises a connecting assembly, and the connecting assembly is connected with the plurality of positioning plates in the clamping mechanism respectively and used for driving the plurality of positioning plates to move synchronously.
Preferably, the clamping assembly comprises a clamping seat and a clamping bolt, the clamping seat is installed on the positioning seat relative to the arc positioning wall with a gap, a threaded hole is formed in the clamping seat along the direction towards the arc positioning wall, and the clamping bolt is in threaded connection with the threaded hole and used for being abutted to the inner arc surface of the fan-shaped workpiece.
Preferably, the clamping seat comprises a connecting arm and a limiting arm which is connected with the first end of the connecting arm and is combined with the connecting arm into an L-shaped structure, the threaded hole is formed in the limiting arm, and the second end of the connecting arm is hinged to the side wall of the positioning seat.
Preferably, the clamping assembly further comprises a flexible rubber sleeve sleeved on one end of the clamping bolt facing the arc-shaped positioning wall.
Preferably, the positioning seat is further provided with an edge positioning wall, and the edge positioning wall is arranged on one side of the arc-shaped positioning wall along the width direction of the arc-shaped positioning wall and used for abutting against the side edge of the fan-shaped workpiece.
Preferably, the arc-shaped positioning wall is provided with a limiting groove for embedding a flange preset on the fan-shaped workpiece and/or a limiting boss for embedding into a groove preset on the fan-shaped workpiece.
The invention has the following beneficial effects:
the fan-shaped workpiece positioning clamp provided by the invention firstly abuts against the outer arc surface of the fan-shaped workpiece through the arc positioning wall, then abuts against the to-be-machined end surface of the fan-shaped workpiece through the positioning component, the fan-shaped workpiece is pre-positioned and fixed, meanwhile, the positioning structure completely avoids the inner arc surface of the fan-shaped workpiece, when the wall thickness of the inner arc surface of the fan-shaped workpiece is uncertain, such as the wall thickness or the inner arc surface of the fan-shaped workpiece is too thick or too thin, each fan-shaped workpiece can still be ensured to abut against the positioning seat along a uniform positioning reference, the accurate positioning of the fan-shaped workpiece is realized, and finally, the fan-shaped workpiece is abutted and fixed to the arc positioning wall through the clamping component, the clamping and fixing of the fan-shaped workpiece is realized, the clamping and positioning structure is simple and efficient, the fan-shaped workpiece is convenient to be quickly disassembled, the to-machined end surface of each fan-shaped workpiece can be ensured to have no deviation, and the machine tool does not need to carry out the alignment in the X-axis direction and the Y-axis direction before the machining, effectively simplify the processing step, promote machining efficiency, ensure the machining precision.
In addition to the objects, features and advantages described above, other objects, features and advantages of the present invention are also provided. The present invention will be described in further detail below with reference to the drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments 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 sector-shaped workpiece positioning fixture according to an embodiment of the present invention;
FIG. 2 is a perspective view of a fan-shaped workpiece suitable for use in the fan-shaped workpiece positioning jig of FIG. 1;
FIG. 3 is a state diagram of a variation of the clamping mechanism in the fan-shaped workpiece positioning fixture of FIG. 1;
FIG. 4 is another state diagram of a variation of the chuck mechanism in the fan-shaped workpiece positioning fixture of FIG. 1;
fig. 5 is a schematic view showing a structure of a machining tool suitable for the fan-shaped workpiece positioning jig shown in fig. 1.
Illustration of the drawings:
1000. a fan-shaped workpiece positioning clamp; 1. a clamping mechanism; 11. positioning seats; 111. an arc-shaped positioning wall; 112. an edge positioning wall; 113. a limiting groove; 114. a limiting boss; 12. a positioning assembly; 121. positioning a plate; 1211. a waist-shaped hole; 122. positioning the bolt; 13. a clamping assembly; 131. a clamping seat; 1311. a connecting arm; 1312. a limiting arm; 132. clamping the bolt; 2. a base; 2000. a fan-shaped workpiece; 2001. an intrados surface; 2002. end faces to be processed; 3000. processing a cutter; 3001. a chuck; 3002. an electrode tool bit.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the accompanying drawings, but the invention can be embodied in many different forms, which are defined and covered by the following description.
Fig. 1 to 5 collectively show a sector-shaped workpiece positioning fixture provided by an embodiment of the present invention, which is used for clamping and fixing a sector-shaped workpiece with an irregular inner arc surface wall thickness, and a specific positioning structure is provided to realize accurate positioning of the sector-shaped workpiece, so that the end surface of the sector-shaped workpiece is conveniently re-processed, the steps of tool setting and alignment are reduced, the processing efficiency is improved, and the processing accuracy is ensured.
Referring to fig. 1 and 2, the fan-shaped workpiece positioning fixture 1000 is used for clamping a fan-shaped workpiece 2000, and a sprayed layer is disposed on an inner arc surface 2001 of the fan-shaped workpiece 2000, so that an actual thickness of the inner arc surface 2001 is changed under the influence of a spraying process, a spraying material, expansion with heat and contraction with cold, and the like, and thus a wall thickness of the inner arc surface 2001 is not constant.
Specifically, the fan-shaped workpiece positioning fixture 1000 includes at least one clamping mechanism 1, the clamping mechanism 1 includes a positioning seat 11, a positioning component 12 and a clamping component 13, an arc-shaped positioning wall 111 is disposed on the positioning seat 11, a diameter, a perimeter, a width and a surface structure of the arc-shaped positioning wall 111 are all matched with an outer arc surface (not shown, the same below) of the fan-shaped workpiece 2000, the arc-shaped positioning wall 111 is used for abutting against the outer arc surface of the fan-shaped workpiece 2000, the positioning component 12 is movably mounted on the positioning seat 11, the positioning component 12 is used for moving relative to the positioning seat 11 and moving to a state abutting against a to-be-processed end surface 2002 of the fan-shaped workpiece 2000, the clamping component 13 faces the arc-shaped positioning wall 111 and is used for abutting against the inner arc surface 2001 of the fan-shaped workpiece 2000, so that the fan-shaped workpiece 2000 is abutted and fixed to the arc-shaped positioning wall through mutual clamping and matching between the clamping component 13 and the arc-shaped positioning wall 111 111.
The fan-shaped workpiece positioning clamp 1 firstly abuts against the outer arc surface of the fan-shaped workpiece 2000 through the arc positioning wall 11, and then abuts against the end surface 2002 to be processed of the fan-shaped workpiece 2000 through the positioning assembly 12, so that the fan-shaped workpiece 2000 is positioned and fixed from multiple directions, the positioning structure completely avoids the inner arc surface 2001 of the fan-shaped workpiece 2000 while the pre-positioning and fixing of the fan-shaped workpiece 2000 are realized, when the wall thickness of the inner arc surface 2001 is uncertain, for example, when the wall thickness of the inner arc surface 2001 is too thick or too thin, it can still be ensured that each fan-shaped workpiece 2000 can abut against the positioning seat 11 along a uniform positioning reference, so as to realize the accurate positioning of the fan-shaped workpiece 2000, and finally, the fan-shaped workpiece 2000 is abutted and fixed to the arc positioning wall 111 through the clamping assembly 13, so as to realize the clamping and fixing of the fan-shaped workpiece 2000, the clamping and positioning structure is simple and efficient, the fan-shaped workpieces 2000 are convenient to disassemble and assemble quickly, and each fan-shaped workpiece 2000 can be guaranteed to have no position deviation on the end face 2002 to be machined, the machine tool does not need to be subjected to tool setting alignment in the X-axis direction and the Y-axis direction before machining, machining steps are effectively simplified, machining efficiency is improved, and machining precision is guaranteed.
Preferably, the positioning assembly 12 includes a positioning plate 121 and a positioning bolt 122, the positioning plate 121 is mounted on an end surface of the positioning seat 11 and is configured to move relative to the positioning seat 11, so that the positioning plate 121 moves to a position covering the arc-shaped positioning wall 111 or moves to a position avoiding the arc-shaped positioning wall 111, the positioning bolt 122 sequentially penetrates through a connecting hole preset in the positioning plate 121 and the positioning seat 11, and the positioning bolt 122 is configured to lock and fix the positioning plate 121 on the positioning seat 11.
It should be understood that the state that the positioning plate 121 covers the arc-shaped positioning wall 111 refers to a state that at least a part of the structure of the positioning plate 121 covers the extension line of the arc-shaped positioning wall 111, so that the end surface 2002 to be machined of the fan-shaped workpiece 2000, which is arranged to be attached to the arc-shaped positioning wall 111, can abut against the positioning plate 121, and thus the accurate positioning of the end surface 2002 to be machined is realized. Secondly, the state that the positioning plate 121 avoids the arc-shaped positioning wall 111 means that the whole structure of the positioning plate 121 completely avoids the extension line of the arc-shaped positioning wall 111 to expose the arc-shaped positioning wall 111, so that the fan-shaped workpiece 2000 is conveniently clamped, and the end surface 2002 to be processed can be processed.
The positioning assembly 12 positions the end surface 2002 to be processed of the fan-shaped workpiece 2000 through the movably arranged positioning plate 121, and can be quickly switched between a butt-joint positioning state and a state of separation from avoiding processing, so that the use is convenient and quick, the positioning efficiency is high, and the positioning accuracy is high.
Further, the mounting height of the positioning plate 121 is adjustable, specifically, accessories such as a gasket and a cushion block can be added between the positioning plate 121 and the positioning seat 11 to adjust the mounting height of the positioning plate 121, the positioning plate 121 is heightened to meet more use requirements, the positioning plate can be better adapted to the fan-shaped workpiece, and the end surface 2002 to be machined of the fan-shaped workpiece 2000 protrudes out of the surface of the positioning seat 11, so that machining is performed.
As shown in fig. 3, the positioning plate 121 is provided with a waist-shaped hole 1211 along the moving direction thereof, the positioning bolt 122 is inserted into the waist-shaped hole 1211, and the positioning plate 121 is configured to translate relative to the positioning seat 11 through the guiding fit of the waist-shaped hole 1211 and the positioning bolt 122, so as to realize the rapid movement of the positioning plate 121 on the positioning seat 11, and prevent the positioning plate 121 from being loosened and falling off through the limiting function of the positioning bolt 122.
Furthermore, the positioning seat 11 is provided with a sliding groove (not shown, the same applies below) along the moving direction of the positioning plate 121, the positioning plate 121 is embedded in the sliding groove and is used for sliding along the sliding groove, the moving direction of the positioning plate 121 is guided and limited by the sliding groove, and the stability of the positioning plate 121 is improved.
As shown in fig. 4, in another use mode, after the positioning bolt 122 is loosened, the positioning plate 121 may be driven to rotate along the positioning bolt 122, so that the positioning plate 121 rotates to cover the arc-shaped positioning wall 111 or rotates to a position avoiding the arc-shaped positioning wall 111, and different use states of the positioning plate 121 may also be quickly switched, thereby facilitating clamping and positioning of the fan-shaped workpiece 2000.
In other embodiments, a round hole may be further formed in the positioning plate 121, the positioning bolt 122 is inserted into the round hole, and the positioning plate 121 is configured to rotate around the positioning bolt 122 through the round hole, so as to replace the waist-shaped hole 1211 with the round hole, so that the positioning plate 121 can only rotate along the positioning bolt 122 and cannot translate, so as to adapt to different application scenarios and meet more use requirements.
As shown in fig. 1, the fan-shaped workpiece positioning fixture 1000 further includes a base 2, the clamping mechanism 1 is provided with a plurality of clamping mechanisms 11 arranged on the base 2 at intervals to realize batch clamping of a plurality of fan-shaped workpieces 2000, and batch processing of a plurality of fan-shaped workpieces 2000 can be realized by one clamping and positioning process, so as to further improve the processing efficiency.
Preferably, the fan-shaped workpiece positioning fixture 1000 further comprises a connecting assembly (not shown, the same below), the connecting assembly is respectively connected with a plurality of positioning plates 121 in the clamping mechanism 1 and used for driving the plurality of positioning plates 121 to move synchronously, and the connecting assembly synchronously drives the plurality of positioning plates 121 to move, so that the plurality of positioning plates 121 are switched between different use states, the positioning efficiency is effectively improved, and the positioning positions of the plurality of positioning plates 121 can be kept consistent, so that the positioning references of the plurality of fan-shaped workpieces 2000 are completely unified, the machining accuracy of the fan-shaped workpieces 2000 in the same batch is completely consistent, the fan-shaped workpiece positioning fixture can be applied to the field of aero-engines, and the requirement of the aero-engines on the consistency of the accessory parameters is met.
As shown in fig. 3 and 4, the clamping assembly 13 includes a clamping seat 131 and a clamping bolt 132, the clamping seat 131 is mounted on the positioning seat 11 with a gap relative to the arc-shaped positioning wall 111, the clamping seat 131 is provided with a threaded hole along a direction toward the arc-shaped positioning wall 111, the clamping bolt 132 is in threaded connection with the threaded hole, and one end of the clamping bolt 132 toward the arc-shaped positioning wall 111 is used for abutting against an intrados 2001 of the fan-shaped workpiece 2000.
The clamping assembly 13 can adjust the distance between the end of the clamping bolt 132 and the arc-shaped positioning wall 111 by driving the clamping bolt 132 to rotate relative to the threaded hole, so as to tightly abut against or separate from the fan-shaped workpiece 2000, complete the dismounting operation of the fan-shaped workpiece 2000, and the clamping process is not affected by the thickness of the wall body of the intrados 2001, and when the thickness of the wall body of the intrados 2001 is thicker or thinner, the fan-shaped workpiece 2000 can be tightly abutted against the arc-shaped positioning wall 111 through the clamping bolt 132.
Preferably, the clamping seat 131 comprises a connecting arm 1311 and a limiting arm 1312, a first end of the connecting arm 1311 is connected with the limiting arm 1312, so that the connecting arm 1311 and the limiting arm 1312 are combined together to form an "L" shaped structure, the threaded hole is formed in the limiting arm 1312, namely, the clamping bolt 132 is mounted on the limiting arm 1312, a second end of the connecting arm 1311 is hinged with the side wall of the positioning seat 11, so that the clamping seat 131 as a whole can be flexibly rotated and adjusted in position, the limiting arm 1312 is arranged in a position right opposite to the arc-shaped positioning wall 111 after bypassing the fan-shaped workpiece 2000 through the "L" shaped structure, and the clamping assembly 13 can be adaptively rotated and adjusted in clamping position according to the thickness change of the wall of the fan-shaped workpiece 2000, so that the clamping assembly 13 can be better adapted to the fan-shaped workpiece 2000, the clamping strength and stability of the fan-shaped workpiece 2000 are ensured.
Further, the connecting arm 1311 is hinged to the positioning seat 11 through a connecting bolt, and when the clamping seat 131 needs to be locked and fixed to a preset position, the connecting arm 1311 can be pressed against the positioning seat 11 by screwing the connecting bolt, so that the clamping seat 131 is fixed and positioned.
Further, centre gripping subassembly 13 still includes flexible gum cover (not shown, lower with), flexible gum cover detachably cover is located clamping bolt 132 orientation the one end of arc location wall 111, clamping bolt 132 passes through flexible gum cover butt fan-shaped work piece 2000 to realize flexible buffering and guard action, avoid clamping bolt 132 is right at the in-process that the rotation was adjusted fan-shaped work piece 2000 scratch production mar even damage.
Preferably, the positioning seat 11 is further provided with an edge positioning wall 112, the edge positioning wall 112 is arranged on one side of the arc-shaped positioning wall 111 along the width direction of the arc-shaped positioning wall 111, and the edge positioning wall 112 is used for abutting against the side edge of the fan-shaped workpiece 2000, so as to position the fan-shaped workpiece 2000 through multiple directions, and further improve the positioning accuracy.
Further, edge location wall 112 is relative arc location wall 111's distance is adjustable, specifically can edge location wall 112 keeps away from one side of arc location wall 111 sets up flexible vaulting pole, flexible fagging isotructure right edge location wall 112 supports to drive through flexible removal edge location wall 112 removes the regulation, makes the fan-shaped work piece of its adaptation different width, also is convenient for simultaneously fan-shaped work piece 2000 assembles and the locking installation after the assembly.
Further, the surface of the edge positioning wall 112 is provided with a protective layer, the side edge of the fan-shaped workpiece 2000 abuts against the protective layer, the protective layer provides a buffer for processing, and the fan-shaped workpiece 2000 is protected from abrasion.
Preferably, the arc-shaped positioning wall 111 is provided with a limiting groove 113 and/or a limiting boss 114, the limiting groove 113 is used for embedding a flange preset on the fan-shaped workpiece 2000, the limiting boss 114 is used for embedding into a groove preset on the fan-shaped workpiece 2000, and the outer arc surface of the fan-shaped workpiece 2000 is further limited and fixed by the limiting effect of the limiting groove 113 and/or the limiting boss 114.
As a second aspect, an embodiment of the present invention further provides a fan-shaped workpiece processing apparatus, including the above fan-shaped workpiece positioning fixture 1000, where the fan-shaped workpiece processing apparatus performs precision positioning and fixing on the fan-shaped workpiece 2000 through the fan-shaped workpiece positioning fixture 1000, and then performs processing operation on the fan-shaped workpiece 2000, so as to effectively overcome a problem that a clamping precision is affected due to an unstable thickness of an inner arc wall of the fan-shaped workpiece 2000, simplify processing steps, improve processing efficiency, and ensure processing precision.
As shown in fig. 5, the fan-shaped workpiece machining device further includes a machining tool 3000, the machining tool 3000 includes a collet 3001 and an electrode tool bit 3002 installed on the collet 3001, and the electrode tool bit 3002 is of a sheet structure, so that the electrode tool bit can be moved to the end surface 2002 of the fan-shaped workpiece 2000 to be machined for electrochemical machining, and the clamping and positioning structure on the fan-shaped workpiece positioning fixture 1000 is prevented from interfering with the machining tool 3000.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a fan-shaped work piece positioning fixture for clamping fan-shaped work piece (2000), the wall body thickness of the intrados (2001) of fan-shaped work piece (2000) is indefinite, a serial communication port, fan-shaped work piece positioning fixture includes at least one clamping machine (1), clamping machine (1) is including positioning seat (11), locating component (12) and centre gripping subassembly (13), be equipped with arc location wall (111) on positioning seat (11), arc location wall (111) with the extrados phase-match of fan-shaped work piece (2000) is used for the butt the extrados of fan-shaped work piece (2000), locating component (12) movably install in on positioning seat (11), locating component (12) are used for relatively positioning seat (11) remove and remove to the state of leaning on waiting to process terminal surface (2002) of fan-shaped work piece (2000), centre gripping subassembly (13) orientation arc location wall (111) set up and are used for the butt fan-shaped work piece (2000) removes The inner arc surface (2001) of the piece (2000) is used for tightly pressing and fixing the fan-shaped workpiece (2000) on the arc-shaped positioning wall (111) through the clamping component (13).
2. The fan-shaped workpiece positioning clamp according to claim 1, wherein the positioning assembly (12) comprises a positioning plate (121) and a positioning bolt (122), the positioning plate (121) is mounted on an end face of the positioning seat (11) and is configured to move relative to the positioning seat (11) to a position covering the arc-shaped positioning wall (111) or avoiding the arc-shaped positioning wall (111), and the positioning bolt (122) is sequentially inserted into the positioning plate (121) and the positioning seat (11) and is configured to lock and fix the positioning plate (121) on the positioning seat (11).
3. The fan-shaped workpiece positioning clamp according to claim 2, wherein the positioning plate (121) is provided with a waist-shaped hole (1211) along the moving direction thereof, the positioning bolt (122) is inserted into the waist-shaped hole (1211), and the positioning plate (121) is configured to translate relative to the positioning seat (11) through the guiding engagement of the waist-shaped hole (1211) and the positioning bolt (122).
4. The fan-shaped workpiece positioning clamp according to claim 2, wherein the positioning plate (121) is provided with a circular hole, the positioning bolt (122) is inserted into the circular hole, and the positioning plate (121) is configured to rotate along the positioning bolt (122) through the circular hole.
5. The fan-shaped workpiece positioning clamp according to claim 2, wherein a plurality of clamping mechanisms (1) are provided, and the fan-shaped workpiece positioning clamp further comprises connecting components, wherein the connecting components are respectively connected with the positioning plates (121) in the plurality of clamping mechanisms (1) and are used for driving the plurality of positioning plates (121) to synchronously move.
6. The fan-shaped workpiece positioning jig as claimed in claim 1, wherein the clamping assembly (13) comprises a clamping seat (131) and a clamping bolt (132), the clamping seat (131) is mounted on the positioning seat (11) with a gap relative to the arc-shaped positioning wall (111), the clamping seat (131) is provided with a threaded hole along a direction towards the arc-shaped positioning wall (111), and the clamping bolt (132) is in threaded connection with the threaded hole and is used for abutting against the inner arc surface (2001) of the fan-shaped workpiece (2000).
7. The fan-shaped workpiece positioning clamp according to claim 6, wherein the clamping seat (131) comprises a connecting arm (1311) and a limiting arm (1312) which is connected with a first end of the connecting arm (1311) and is combined with the connecting arm (1311) into an L-shaped structure, the threaded hole is formed in the limiting arm (1312), and a second end of the connecting arm (1311) is hinged with a side wall of the positioning seat (11).
8. The fan-shaped workpiece positioning fixture of claim 6, characterized in that the clamping assembly (13) further comprises a flexible rubber sleeve sleeved on one end of the clamping bolt (132) facing the arc-shaped positioning wall (111).
9. The fan-shaped workpiece positioning clamp according to claim 1, wherein the positioning seat (11) is further provided with an edge positioning wall (112), and the edge positioning wall (112) is provided on one side of the arc-shaped positioning wall (111) in the width direction of the arc-shaped positioning wall (111) and is used for abutting against the side edge of the fan-shaped workpiece (200).
10. The fan-shaped workpiece positioning clamp according to claim 1, characterized in that the arc-shaped positioning wall (111) is provided with a limiting groove (113) for embedding a flange preset on the fan-shaped workpiece (2000) and/or a limiting boss (114) for embedding into a groove preset on the fan-shaped workpiece (2000).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749347.0A CN115055986A (en) | 2022-06-28 | 2022-06-28 | Fan-shaped workpiece positioning fixture |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210749347.0A CN115055986A (en) | 2022-06-28 | 2022-06-28 | Fan-shaped workpiece positioning fixture |
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| CN115055986A true CN115055986A (en) | 2022-09-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210749347.0A Pending CN115055986A (en) | 2022-06-28 | 2022-06-28 | Fan-shaped workpiece positioning fixture |
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| CN212683219U (en) * | 2020-07-25 | 2021-03-12 | 杭州临安安达机械有限公司 | Arc-shaped workpiece clamp |
| CN215431645U (en) * | 2021-08-23 | 2022-01-07 | 天津航超机械制造有限公司 | Cambered surface drilling frock |
| CN113878151A (en) * | 2021-10-13 | 2022-01-04 | 常州大章医疗器械有限公司 | Quick frock clamp of arc wicresoft connective bar |
| CN114226896A (en) * | 2021-12-08 | 2022-03-25 | 中国航发南方工业有限公司 | Positioning and clamping fixture for arc-shaped parts |
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