CN113927112A - Multidirectional positioning nozzle clamp - Google Patents
Multidirectional positioning nozzle clamp Download PDFInfo
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- CN113927112A CN113927112A CN202111325412.9A CN202111325412A CN113927112A CN 113927112 A CN113927112 A CN 113927112A CN 202111325412 A CN202111325412 A CN 202111325412A CN 113927112 A CN113927112 A CN 113927112A
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- 230000004323 axial length Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 23
- 238000003754 machining Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 9
- 238000010892 electric spark Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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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
- 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
- B23H1/00—Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric
-
- 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
- B23H9/00—Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects
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- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
Abstract
The invention discloses a multi-directional positioning nozzle clamp which comprises a base, a mounting seat and a positioning assembly, wherein the mounting seat is arranged on the base; the base is provided with a first positioning hole, a second positioning hole and a limiting hole; the mounting seat is used for mounting the nozzle and comprises a first supporting surface vertical to a first blind hole to be processed and a second supporting surface vertical to a second blind hole to be processed; the positioning assembly comprises a first positioning pin, a second positioning pin and a limiting pin, the first positioning pin is coaxially arranged relative to the first blind hole and is used for being inserted into the first positioning hole when the first supporting surface is abutted to the base, the second positioning pin is used for being inserted into the second positioning hole when the second supporting surface is abutted to the base, and the limiting pin is used for being inserted into the limiting hole when the second positioning pin is connected with the second positioning hole in a matched mode and enabling the second blind hole to be coaxial with the first positioning hole. The multi-directional positioning nozzle clamp provided by the invention can realize the purpose that blind holes with multiple angles can be processed by one-time alignment before processing, and ensures the processing precision.
Description
Technical Field
The invention relates to the technical field of clamps for machining aero-engine nozzle parts, in particular to a clamp for multi-directionally positioning aero-engine nozzle parts.
Background
For a certain type of aircraft engine nozzle part, two small holes with different axial directions need to be machined in the same axial section, and the axial directions of the two small holes form an included angle. Therefore, in the machining process, the fixed angle of the nozzle needs to be changed to enable the two small holes to be respectively arranged in the vertical direction for machining. In contrast, the conventional fixing methods for the electric discharge machine tool of the nozzle part mainly include the following three methods:
firstly, two sets of electric spark anchor clamps of direct design divide the twice process to process the part, put the vertical processing that carries out respectively with the parts machining position through two sets of different anchor clamps, and this fixed knot constructs can have following problem: (1) due to the existence of positioning errors of the clamp, the axes of two small holes machined after two times of clamping are not on the same plane, and the position precision between the two holes is low; (2) the time for clamping the part at one time is increased, so that the processing time is prolonged, and the processing efficiency is low.
Secondly, design a set of electric spark anchor clamps of taking the graduated disk, rotate two apertures respectively through rotatory graduated disk and process to vertical direction, realized the target that a clamping just can process two holes, nevertheless adopt this fixed knot to construct and can have following problem: (1) the clamp with the index plate has a complex structure, the matching precision requirement among all the parts is high, and the clamp is expensive; (2) because the precision requirement on the dividing plate is high, the dividing plate needs to be frequently rotated in the machining process, so that the dividing plate and the bolt are quickly abraded, the precision of the dividing plate is reduced, and the maintenance frequency and the maintenance cost of the clamp are high.
Thirdly, a set of special fixture which can support the nozzle part by different bearing surfaces is designed, and the special fixture is turned over to the bearing surfaces to enable the corresponding small holes on the nozzle part to be arranged along the vertical direction, but the fixing structure still has the following problems: (1) the processing process of each part needs to be aligned for many times, and due to the conversion of the bearing surfaces, when different small holes are processed, the corresponding guide sleeves need to be aligned, so that the processing efficiency is lower when the parts are processed in batches; (2) the problem that the positioning reference is not uniform exists, the positioning reference of the small holes at different positions of the nozzle has difference, and the axial direction of the processed small holes has deviation from the actual requirement.
Disclosure of Invention
The invention provides a multi-directional positioning nozzle clamp, which aims to solve the technical problems that the existing clamp is difficult to accurately position, low in machining precision, low in machining efficiency and high in machining cost when a plurality of small holes in different axial directions on an aircraft engine nozzle part are machined.
A multi-directional positioning nozzle clamp is used for fixing a nozzle on a machine tool and machining a plurality of blind holes with mutually included angles of axes, wherein the nozzle comprises a spray head, a support plate and a nozzle rod which are sequentially connected, a plurality of angular holes are distributed on the support plate, and the blind holes are respectively arranged on the spray head and the nozzle rod; the multi-directional positioning nozzle clamp comprises a base, a mounting seat and a positioning assembly; the base is used for being fixed on a machine tool, and a first positioning hole, a second positioning hole and a limiting hole are formed in the upper surface of the base; the mounting seat is used for axially mounting the nozzle and fixing the nozzle, and comprises a first supporting surface vertical to a first blind hole to be processed on the nozzle and a second supporting surface vertical to a second blind hole to be processed on the nozzle; the positioning assembly comprises a first positioning pin arranged on the first supporting surface, and a second positioning pin and a limiting pin which are arranged on the second supporting surface at intervals, wherein the first positioning pin is coaxially arranged relative to the first blind hole and is used for being inserted into the first positioning hole when the first supporting surface is abutted against the base, the second positioning pin is used for being inserted into the second positioning hole when the second supporting surface is abutted against the base, and the limiting pin is used for being inserted into the limiting hole when the second positioning pin is matched and connected with the second positioning hole and enabling the second blind hole to be coaxial with the first positioning hole.
Preferably, the first positioning hole and the second positioning hole are both round holes, a circumferential limiting wall is arranged in the limiting hole, and the limiting pin comprises a limiting notch which is matched with the circumferential limiting wall and enables the limiting pin to be circumferentially fixed relative to the limiting hole.
Preferably, the mounting seat is provided with a mounting hole for accommodating the nozzle rod and an angular positioning hole arranged corresponding to the angular hole, and the multidirectional positioning nozzle fixture further comprises a fixing assembly for abutting and fixing the support plate on the end face of the mounting seat in a manner of sequentially penetrating through the angular hole and the angular positioning hole.
Preferably, the fixing assembly comprises a positioning column, the positioning column comprises a first positioning section inserted in the angular positioning hole and a second positioning section arranged outside the angular positioning hole and used for penetrating the angular positioning hole, the diameter of the first positioning section is larger than that of the second positioning section, and the mounting seat further comprises a limiting structure arranged at an opening of the angular positioning hole and used for abutting the first positioning section in the angular positioning hole.
Furthermore, a second positioning section is provided with an external thread, and the fixing assembly further comprises a fixing nut which is in threaded connection with the second positioning section and used for enabling the support plate to be tightly abutted to the end face of the mounting seat.
Further, the second positioning section comprises a cylindrical section and a threaded section, the diameter of the cylindrical section is matched with that of the angular hole, the axial length of the cylindrical section is equal to or smaller than that of the angular hole, and the threaded section is arranged at one end, far away from the first positioning section, of the cylindrical section and is in threaded connection with the fixing nut.
Preferably, the mounting seat is further provided with a jackscrew hole which has an included angle relative to the angular positioning hole and is communicated with the angular positioning hole, and the fixing component further comprises a jackscrew which is in threaded connection with the jackscrew hole and abuts against the first positioning section.
Preferably, the positioning assembly further comprises a guide sleeve which is embedded in the first positioning hole and/or the second positioning hole and/or the limiting hole and is made of wear-resistant materials.
Preferably, the first positioning pin, the second positioning pin and the limiting pin are detachably connected with the mounting seat.
Preferably, the mounting seat is provided with a guide hole corresponding to a blind hole to be processed on the nozzle.
The invention has the following beneficial effects:
in the multi-directional positioning nozzle clamp provided by the invention, the first support surface and the second support surface of the mounting seat are sequentially and alternately abutted against the base, so that the nozzle can be flexibly turned to angles corresponding to different processing directions, blind holes with different angles can be conveniently processed, the first support surface is fixedly connected with the first positioning hole on the base through the first positioning pin, the first blind hole corresponding to the first support surface can be directly and coaxially arranged relative to the first positioning hole, the second support surface is fixedly connected with the second positioning hole on the base through the second positioning pin, meanwhile, the mounting angle of the mounting seat is limited through the matching of the limiting pin and the limiting hole, the second blind hole corresponding to the second support surface can also be coaxially arranged relative to the first positioning hole, therefore, the positioning structure can ensure that the mounting seat is stably fixed, and simultaneously, the positions of different blind holes to be processed on the nozzle can be arranged along the axis of the first positioning hole, the first positioning hole can be used as the only positioning reference of the electric spark machine tool during machining, repeated positioning is not needed in the machining process, blind holes with different angles on parts in all batches can be machined by one-time alignment before machining, machining precision is guaranteed, and machining efficiency is improved.
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 diagram of a nozzle suitable for a multi-directional positioning nozzle fixture according to an embodiment of the present invention;
FIG. 2 is a diagram illustrating a use of the multi-directional nozzle fixture according to the present invention;
FIG. 3 is a cross-sectional view of the multi-directional positioning nozzle fixture shown in FIG. 2;
FIG. 4 is another state of use view of the multi-directional nozzle fixture of FIG. 2;
FIG. 5 is a cross-sectional view of the multi-directional positioning nozzle fixture of FIG. 4;
FIG. 6 is an elevation view of the multi-directional nozzle clamp shown in FIG. 2 in the axial direction of the nozzle;
FIG. 7 is a cross-sectional view of the multi-directional nozzle holder A-A shown in FIG. 6.
Illustration of the drawings:
1. a multi-directional positioning nozzle fixture; 11. a base; 111. a first positioning hole; 112. a second positioning hole; 113. a limiting hole; 12. a mounting seat; 121. a first seating surface; 122. a second seating surface; 123. mounting holes; 124. angular positioning holes; 125. a jackscrew hole; 126. a guide hole; 13. a positioning assembly; 131. a first positioning pin; 132. a second positioning pin; 133. a spacing pin; 1331. a limiting notch; 14. a fixing assembly; 141. a positioning column; 1411. a first positioning segment; 1412. a second positioning segment; 1412a, a cylindrical section; 1412b, a thread section; 142. fixing a nut; 143. carrying out top thread; 2. a nozzle; 20. blind holes; 201. a first blind hole; 202. a second blind hole; 21. a spray head; 22. a support plate; 221. an angular hole; 23. a nozzle bar.
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. 2 to 7 collectively show the multidirectional positioning nozzle fixture provided by the embodiment of the invention, which is used for fixing an aircraft engine nozzle part on an electric discharge machine tool according to different angles to machine a plurality of blind holes with axes having included angles, so that the purpose of machining the blind holes by one-time alignment can be realized, the machining positioning is accurate, the machining efficiency is effectively improved, and the machining quality is ensured.
Specifically, for convenience of explaining the structure and principle of the multi-directional positioning nozzle clamp 1, fig. 1 shows a nozzle 2 of an aircraft engine, which is suitable for the multi-directional positioning nozzle clamp 1, where the nozzle 2 includes a nozzle head 21, a support plate 22 and a nozzle rod 23, which are sequentially connected along an axial direction of the nozzle 2, the support plate 22 is provided with a plurality of angular holes 221 (shown in fig. 7), a plurality of blind holes 20 to be processed include a first blind hole 201 on the nozzle rod 23 and a second blind hole 202 on the nozzle head 21, the first blind hole 201 and the second blind hole 202 are both small holes with a diameter of 0.8mm, and need to be processed by an electric discharge machine, and since an axial line of the first blind hole 201 and an axial line of the second blind hole 202 have an included angle, when processing, the processing angles of the first blind hole 201 and the second blind hole 202 need to be sequentially adjusted to a vertical state, can the spark machine be adapted.
As shown in fig. 1 and 2, the multi-directional positioning nozzle fixture 1 includes a base 11, a mounting seat 12, and a positioning assembly 13, where the base 11 is configured to be horizontally fixed on an electric discharge machine tool, so that an upper surface of the base 11 is in a horizontal state. The mounting seat 12 is used for axially mounting the nozzle 2 and fixing the nozzle 2, the mounting seat 12 includes a first support surface 121 which is vertical to a first blind hole 201 to be processed on the nozzle 2 and a second support surface 122 which is vertical to a second blind hole 202 to be processed on the nozzle 2, both the first support surface 121 and the second support surface 122 are smooth planes which can be tightly matched with the upper surface of the base 11, so that the nozzle 2 is turned over to the processing direction of the first blind hole 201 in a vertical state when the first support surface 121 is abutted to the base 11, and the nozzle 2 is turned over to the processing direction of the second blind hole 202 in a vertical state when the second support surface 122 is abutted to the base 11.
Referring to fig. 3 and 4, further, a first positioning hole 111, a second positioning hole 112 and a limiting hole 113 are formed in the upper surface of the base 11 at intervals, the first positioning hole 111, the second positioning hole 112 and the limiting hole 113 are all vertically arranged with respect to the upper surface of the base 11 and extend in the vertical direction, the positioning assembly 13 includes a first positioning pin 131, a second positioning pin 132 and a limiting pin 133, the first positioning pin 131 is vertically arranged on the first supporting surface 121 with respect to the first supporting surface 121, the second positioning pin 132 and the limiting pin 133 are vertically arranged on the first supporting surface 122 with respect to the second supporting surface 122, and the second positioning pin 132 and the limiting pin 133 are arranged at intervals. The first positioning pin 131 is coaxially disposed relative to the first blind hole 201 and is used for being inserted into the first positioning hole 111 when the first supporting surface 121 abuts against the base 11, the second positioning pin 132 is used for being inserted into the second positioning hole 112 when the second supporting surface 122 abuts against the base 11, and when the second positioning pin 132 is connected with the second positioning hole 112 in a matching manner, the limiting pin 133 is inserted into the limiting hole 113, so that the nozzle 2 is fixed to a position where the second blind hole 202 is coaxial with the first positioning hole 111.
Therefore, the multi-directional positioning nozzle clamp 1 is sequentially pressed against the base 11 by the first and second bearing surfaces 121 and 122 of the mounting seat 12, the nozzle 2 can be flexibly turned to the angles corresponding to different processing directions, the blind holes 20 with different angles can be conveniently processed, the first support surface 121 is connected and fixed with the first positioning hole 111 on the base 11 through the first positioning pin 131, so that the first blind hole 201 corresponding to the first support surface 121 can be directly and coaxially arranged relative to the first positioning hole 111, while the second leaning surface 122 is connected and fixed with the second positioning hole 112 on the base 11 by the second positioning pin 132, the fitting of the limit pin 133 and the limit hole 113 limits the installation angle of the installation base 12, and the second blind hole 202 corresponding to the second bearing surface 122 can be coaxially disposed with respect to the first positioning hole 111. Therefore, the positioning assembly 13 can ensure that the mounting base 12 is stably fixed on the base 11, and simultaneously, the positions of different blind holes to be machined on the nozzle 2 can be arranged along the axis of the first positioning hole 111, so that the first positioning hole 111 can be used as the only positioning reference of the electric spark machine tool during machining, repeated positioning is not needed during machining, blind holes at different angles on parts in all batches can be machined by alignment before machining, the machining precision is ensured, and the machining efficiency is improved.
Preferably, first locating hole 111 and second locating hole 112 are the round hole, first locating pin 131 and second locating pin 132 correspond and establish to the cylinder structure, because round hole and cylinder structure make things convenient for processing more and guarantee to process accurately, can reduce the processing cost and the processing degree of difficulty, guarantee positioning accuracy to because the cylinder structure does not have the edges and corners, effectively avoid first, second locating pin produces wearing and tearing after plug many times, promotes the durability.
Preferably, a circumferential limiting wall (not shown, the same below) is arranged in the limiting hole 113, the limiting pin 133 includes a limiting notch 1331 (shown in fig. 2 and fig. 6) which is matched with the circumferential limiting wall and enables the limiting pin 133 to be circumferentially fixed relative to the limiting hole 113, the limiting pin 133 is tightly matched with the limiting hole 113 through the limiting notch 1331, the rotation of the limiting pin 133 is avoided, the stability of the limiting pin 133 is improved, and therefore when the second bearing surface 122 is abutted to the base 11, the second blind hole 202 and the first locating hole 111 are coaxially arranged, that is, the processing positions of the second blind hole 202 and the first blind hole 201 are on the same axis, and the processing deviation is avoided.
Referring to fig. 6 and 7, the mounting base 12 is provided with a mounting hole 123 for receiving the nozzle bar 23 and an angular positioning hole 124 corresponding to the angular hole 221, and the angular positioning hole 124 and the mounting hole 123 are arranged side by side. The multi-directional positioning nozzle fixture 1 further comprises a fixing component 14 for abutting and fixing the support plate 22 on the end surface of the mounting seat 12 through sequentially passing through the angular hole 221 and the angular positioning hole 124, and the nozzle 1 is axially fixed and circumferentially fixed relative to the mounting hole 123 through the fixing component 14.
Further, the fixing component 14 includes a positioning column 141, the positioning column 141 includes a first positioning segment 1411 inserted into the angular positioning hole 124 and a second positioning segment 1412 located outside the angular positioning hole 124 and passing through the angular hole 221, the diameter of the first positioning segment 1411 is greater than the diameter of the second positioning segment 1412, the mounting base 12 further includes a limiting structure disposed at the opening of the angular positioning hole 124 and used for abutting the first positioning segment 1411 against the angular positioning hole 124, the limiting structure is a structure such as a limiting ring, a limiting flange and a limiting buckle which are axially fixed relative to the angular positioning hole 124, the positioning column 141 is integrally fixed on the angular positioning hole 124 through the limit matching of the limit structure and the first positioning section 1411, and the nozzle 2 is convenient to install without being taken out and repositioned.
Preferably, the second positioning segment 1412 is provided with an external thread, and the fixing assembly 14 further includes a fixing nut 142 screwed with the second positioning segment 1411 and used for pressing the support plate 22 against the end surface of the mounting seat 12, so that the nozzle 2 is pressed against the mounting seat 12 through the fixing nut 142, and the mounting strength is ensured.
Preferably, the second positioning segment 1412 comprises a cylindrical segment 1412a and a threaded segment 1412b, the diameter of the cylindrical segment 1412a is matched with the diameter of the angular hole 221, the axial length of the cylindrical segment 1412 is equal to or smaller than the axial length of the angular hole 221, the threaded segment 1412b is arranged at one end of the cylindrical segment 1412a far away from the first positioning segment 1411 and is in threaded connection with the fixing nut 142, the cylindrical segment 1412a with a relatively smooth outer surface can be closely matched and positioned with the angular hole 221, and compared with a structure that the second positioning segment 1412 is completely provided with an external thread, a gap between the second positioning segment 1412 and the angular hole 221 can be avoided, so that fine shaking of the nozzle 2 relative to the positioning post 141 is avoided, the installation accuracy of the nozzle 2 is better ensured, and the machining quality is ensured.
Further, the mounting base 12 further defines a top thread hole 125 having an included angle with respect to the angular positioning hole 124 and communicating with the angular positioning hole 124. Preferably, the jackscrew hole 125 is perpendicular to the angular positioning hole 124, the fixing assembly 14 further includes a jackscrew 143 that is in threaded connection with the jackscrew hole 125 and abuts against the first positioning segment 1411, and the positioning column 141 is fixed by the jackscrew 143 in an enhanced manner, so that the positioning column 141 is prevented from being loosened, and the positioning accuracy is further ensured.
As shown in fig. 3 and 5, preferably, the positioning assembly 13 further includes a guide sleeve 134 embedded in the first positioning hole 111 and/or the second positioning hole 112 and/or the limiting hole 113 and made of a wear-resistant material, where the guide sleeve 134 is made of CrWMn material, so as to have better wear resistance, and prevent the inner hole of the base 1 from being worn due to multiple inserting and positioning of the first positioning pin 131, the second positioning pin 132, or the limiting pin 133, so as to prevent the base 1 from being repaired or reworked, and only the guide sleeve 134 needs to be replaced when the inner hole is worn, thereby ensuring durability and reducing maintenance cost.
Preferably, the first positioning pin 131, the second positioning pin 132 and the limit pin 133 are detachably connected to the mounting base 12, and specifically, the first positioning pin 131, the second positioning pin 132 and the limit pin 133 may be inserted and connected through a threaded connection or an interference fit, so that the first positioning pin 131, the second positioning pin 132 and the limit pin 133 can be detached and replaced.
Preferably, the mounting seat 12 is provided with a guide hole 126 corresponding to the position of the blind hole 20 to be processed on the nozzle 2, the guide hole 126 is used for avoiding and indicating a processing position, so that the processing is facilitated, and the cooling liquid is conveniently injected into the position to be processed, so that the influence of an excessive temperature generated during the processing on the performance of the part is avoided.
It should be noted that the embodiment of the present invention uses the nozzle 2 as an example to illustrate the structure and principle of the multi-directional positioning nozzle fixture 1, but the embodiment cannot be regarded as a limitation on the specific structure of the multi-directional positioning nozzle fixture 1. For example, when a part to be processed needs to process three or more blind holes with included angles between the axes, the mounting base 12 may be provided with more support surfaces corresponding to the angles of the blind holes to be processed, accordingly, each support surface is provided with a positioning pin and a limit pin, so as to fix the blind holes to be processed to the coaxial position of the first positioning hole 111, and the processing precision can be ensured without repeated positioning during processing.
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 multidirectional positioning nozzle anchor clamps for fix a plurality of blind holes (20) that the axis of working is the contained angle each other on the lathe with nozzle (2), nozzle (2) are including shower nozzle (21), extension board (22) and nozzle rod (23) that connect gradually, a plurality of angular holes (221) have been laid in extension board (22), and its characterized in that is in respectively on shower nozzle (21) and nozzle rod (23) in a plurality of blind holes (20):
the multi-directional positioning nozzle clamp comprises a base (11), a mounting seat (12) and a positioning assembly (13);
the base (11) is used for being fixed on a machine tool, and a first positioning hole (111), a second positioning hole (112) and a limiting hole (113) are formed in the upper surface of the base (11);
the mounting seat (12) is used for axially mounting the nozzle (2) and fixing the nozzle (2), and the mounting seat (12) comprises a first supporting surface (121) which is vertical to a first blind hole (201) to be machined on the nozzle (2) and a second supporting surface (122) which is vertical to a second blind hole (202) to be machined on the nozzle (2);
the positioning assembly (13) comprises a first positioning pin (131) arranged on the first supporting surface (121), and a second positioning pin (132) and a limiting pin (133) which are arranged on the second supporting surface (122) at intervals, wherein the first positioning pin (131) is coaxially arranged relative to the first blind hole (201) and is used for being inserted into the first positioning hole (111) when the first supporting surface (121) abuts against the base (11), the second positioning pin (132) is used for being inserted into the second positioning hole (112) when the second supporting surface (122) abuts against the base (11), and the limiting pin (133) is used for being inserted into the limiting hole (113) and enabling the second blind hole (202) to be coaxial with the first positioning hole (111) when the second positioning pin (132) is in fit connection with the second positioning hole (112).
2. The multi-directional positioning nozzle fixture according to claim 1, wherein the first positioning hole (111) and the second positioning hole (112) are circular holes, a circumferential limiting wall is disposed in the limiting hole (113), and the limiting pin (133) comprises a limiting notch (1331) which is engaged with the circumferential limiting wall and circumferentially fixes the limiting pin (133) relative to the limiting hole (113).
3. The multi-directional positioning nozzle clamp as claimed in claim 1, wherein the mounting seat (12) is provided with a mounting hole (123) for accommodating the nozzle rod (23) and an angular positioning hole (124) corresponding to the angular hole (221), and the multi-directional positioning nozzle clamp further comprises a fixing assembly (14) for abutting and fixing the support plate (22) on the end surface of the mounting seat (12) through the angular hole (221) and the angular positioning hole (124) in sequence.
4. The multi-directional positioning nozzle fixture as claimed in claim 3, wherein the fixing assembly (14) comprises a positioning post (141), the positioning post (141) comprises a first positioning segment (1411) inserted into the angular positioning hole (124) and a second positioning segment (1412) located outside the angular positioning hole (124) and used for penetrating the angular hole (221), the diameter of the first positioning segment (1411) is larger than that of the second positioning segment (1412), and the mounting seat (12) further comprises a limiting structure located at the opening of the angular positioning hole (124) and used for abutting the first positioning segment (1411) into the angular positioning hole (124).
5. The multi-directional positioning nozzle fixture of claim 4, wherein the second positioning segment (1412) is provided with external threads, and the securing assembly (14) further includes a securing nut (142) threaded to the second positioning segment (1412) for urging the support plate (22) against the end face of the mounting block (12).
6. The multi-directional positioning nozzle fixture as claimed in claim 5, wherein the second positioning segment (1412) comprises a cylindrical segment (1412a) and a threaded segment (1412b), the diameter of the cylindrical segment (1412a) is matched with the diameter of the angular hole (221), the axial length of the cylindrical segment (1412a) is equal to or less than the axial length of the angular hole (221), and the threaded segment (1412b) is arranged at one end of the cylindrical segment (1412a) far away from the first positioning segment (1411) and is in threaded connection with the fixing nut (142).
7. The multi-directional positioning nozzle fixture as claimed in claim 4, wherein the mounting base (12) further defines a jackscrew hole (125) having an angle with respect to the angular positioning hole (124) and communicating with the angular positioning hole (124), and the fixing assembly (14) further includes a jackscrew (143) threadedly coupled to the jackscrew hole (14) and abutting against the first positioning segment (1411).
8. The multi-directional positioning nozzle fixture according to claim 1, wherein the positioning assembly (13) further comprises a guide sleeve (134) embedded in the first positioning hole (111) and/or the second positioning hole (112) and/or the limiting hole (113) and made of wear-resistant material.
9. The multi-directional positioning nozzle fixture of claim 1, wherein the first positioning pin (131), the second positioning pin (132), and the spacing pin (133) are removably connected to the mounting block (12).
10. The multi-directional positioning nozzle clamp according to claim 1, wherein the mounting seat (12) is provided with a guide hole (126) corresponding to a blind hole to be processed on the nozzle (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325412.9A CN113927112A (en) | 2021-11-10 | 2021-11-10 | Multidirectional positioning nozzle clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111325412.9A CN113927112A (en) | 2021-11-10 | 2021-11-10 | Multidirectional positioning nozzle clamp |
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| Publication Number | Publication Date |
|---|---|
| CN113927112A true CN113927112A (en) | 2022-01-14 |
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| CN202111325412.9A Pending CN113927112A (en) | 2021-11-10 | 2021-11-10 | Multidirectional positioning nozzle clamp |
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Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202715858U (en) * | 2012-05-31 | 2013-02-06 | 安徽蓝博旺机械有限责任公司 | 17-degree inclined hole drill plate tool of valve body of control valve |
| DE102012111548A1 (en) * | 2012-11-28 | 2014-05-28 | Hirschmann Gmbh | Device for positioning a tubular workpiece |
| CN206898441U (en) * | 2017-06-16 | 2018-01-19 | 黄河科技学院 | A kind of fixture for being used to process air bleeding valve part array hole |
| CN207013759U (en) * | 2017-06-21 | 2018-02-16 | 牟维军 | Circular index drilling tool |
| CN207494626U (en) * | 2017-11-03 | 2018-06-15 | 庆铃汽车（集团）有限公司 | Knuckle oiling hole drill attacks fixture |
| CN207824429U (en) * | 2017-12-13 | 2018-09-07 | 吉林市凯尔维特机电设备有限责任公司 | It processes under airflow milling and grinds the tooling of room side nozzle |
| CN209407974U (en) * | 2018-12-21 | 2019-09-20 | 中国航发南方工业有限公司 | Clamping device |
| CN110756933A (en) * | 2019-11-12 | 2020-02-07 | 中国航发南方工业有限公司 | Electric discharge machining nozzle clamp and operation method thereof |
| CN211101739U (en) * | 2019-11-06 | 2020-07-28 | 江南工业集团有限公司 | Thin-wall cylindrical part inclined hole drilling and clamping device |
| CN211277418U (en) * | 2019-12-26 | 2020-08-18 | 佰鑫源精密机械（厦门）有限公司 | Novel station clamp plate for vertical milling machine |
| CN212634403U (en) * | 2020-07-14 | 2021-03-02 | 重庆博贤机械有限公司 | Positioning fixture for drilling inclined hole on crank |
-
2021
- 2021-11-10 CN CN202111325412.9A patent/CN113927112A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202715858U (en) * | 2012-05-31 | 2013-02-06 | 安徽蓝博旺机械有限责任公司 | 17-degree inclined hole drill plate tool of valve body of control valve |
| DE102012111548A1 (en) * | 2012-11-28 | 2014-05-28 | Hirschmann Gmbh | Device for positioning a tubular workpiece |
| CN206898441U (en) * | 2017-06-16 | 2018-01-19 | 黄河科技学院 | A kind of fixture for being used to process air bleeding valve part array hole |
| CN207013759U (en) * | 2017-06-21 | 2018-02-16 | 牟维军 | Circular index drilling tool |
| CN207494626U (en) * | 2017-11-03 | 2018-06-15 | 庆铃汽车（集团）有限公司 | Knuckle oiling hole drill attacks fixture |
| CN207824429U (en) * | 2017-12-13 | 2018-09-07 | 吉林市凯尔维特机电设备有限责任公司 | It processes under airflow milling and grinds the tooling of room side nozzle |
| CN209407974U (en) * | 2018-12-21 | 2019-09-20 | 中国航发南方工业有限公司 | Clamping device |
| CN211101739U (en) * | 2019-11-06 | 2020-07-28 | 江南工业集团有限公司 | Thin-wall cylindrical part inclined hole drilling and clamping device |
| CN110756933A (en) * | 2019-11-12 | 2020-02-07 | 中国航发南方工业有限公司 | Electric discharge machining nozzle clamp and operation method thereof |
| CN211277418U (en) * | 2019-12-26 | 2020-08-18 | 佰鑫源精密机械（厦门）有限公司 | Novel station clamp plate for vertical milling machine |
| CN212634403U (en) * | 2020-07-14 | 2021-03-02 | 重庆博贤机械有限公司 | Positioning fixture for drilling inclined hole on crank |
Non-Patent Citations (1)
| Title |
|---|
| 丁伟等: "《数控加工工艺与编程》", 31 August 2018, 哈尔滨工业大学出版社 * |
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