CN220719031U - Positioning tool - Google Patents

Abstract

The embodiment of the application discloses provide a location frock, location frock is through setting up the template, set up the constant head tank on the peripheral wall of template, the template can be stacked with the installation department of work piece, waiting to process the groove intercommunication each other on constant head tank and the installation department, the bottom plate inlays to be located in the constant head tank that is linked together and waiting to process the groove, two first clamp plates respectively with two inside walls looks butt of constant head tank, two second clamp plates respectively with two inside walls looks butt of waiting to process the groove, avoid template and installation department to move relatively in axial direction through the centre gripping of two clamp plates, when waiting to process the groove to process, removable locating component that is located the constant head tank that a set of is linked together and wait to process the inslot, remain to install the locating component that is linked together in other and wait to process the inslot, will wait to process the groove processing form with constant head tank size assorted installation groove, can effectively avoid taking place relative displacement between template and the installation department in the course of working, guarantee the machining precision and the machining stability of installation groove.

Description

Positioning tool

Technical Field

The application relates to the technical field of workpiece machining, in particular to a positioning tool.

Background

When the workpiece with the installation part is required to be installed in the container, an installation groove is usually required to be formed in the outer peripheral wall of the installation part, the installation part is usually a circular part (such as a disc) or an annular part (such as a flange plate), the container is usually a cylinder or a pipe body, the workpiece is assembled with the bulge arranged on the inner wall of the container through the installation groove formed in the outer peripheral wall of the installation part, the installation groove is usually required to be formed in the outer peripheral wall of the installation part in advance for improving the convenience of assembly, and then the installation is performed in the container, but the conventional slotting mode cannot ensure the assembly precision of the formed installation groove and the bulge on the inner wall of the container, so that the assembly stability between the workpiece and the container is influenced, and the service life is influenced.

Disclosure of Invention

The embodiment of the application provides a location frock, can solve the poor problem of assembly precision between the installation groove on the current work piece and the arch on the container inner wall.

The embodiment of the application provides a positioning tool which is used for clamping and fixing an installation part of at least one workpiece, wherein at least two grooves to be processed are arranged on the peripheral wall of the installation part at intervals, and the positioning tool comprises a template and at least two positioning components; at least two positioning grooves are arranged on the peripheral wall of the template, the die plate is configured to be disposed in a stacked relation with the mounting portion in an axial direction thereof, the positioning groove and the groove to be processed are communicated with each other in the axial direction; the positioning assembly includes: the bottom plate is configured to be embedded in the communicated positioning groove and the groove to be processed along the axial direction; the first pressing plate group comprises two first pressing plates, the two first pressing plates are arranged in the positioning groove at intervals along the width direction of the bottom plate, one ends of the two first pressing plates, which are adjacent to each other in the width direction, are respectively connected with the bottom plate, one ends of the two first pressing plates, which are far away from each other in the width direction, are respectively abutted against the inner side wall of the positioning groove, and the width direction is perpendicular to the axial direction; the second pressing plate group comprises two second pressing plates, the two second pressing plates are arranged in the groove to be processed at intervals along the width direction, one ends of the two second pressing plates, which are adjacent to each other in the width direction, are respectively connected with the bottom plate, and one ends of the two first pressing plates, which are far away from each other in the width direction, are respectively abutted against the inner side wall of the groove to be processed; two clamping plates are respectively connected with two ends of the bottom plate in the axial direction, and the two clamping plates clamp the template and the mounting part in the axial direction.

Optionally, one ends of the two first pressing plates adjacent to each other in the width direction are respectively connected with the bottom plate in a sliding manner, so that the two first pressing plates are close to or far from each other in the width direction; and one ends of the two second pressing plates, which are adjacent to each other in the width direction, are respectively connected with the bottom plate in a sliding manner, so that the two second pressing plates are close to or far from each other in the width direction.

Optionally, the bottom plate is provided with two side walls which are oppositely arranged along the width direction, and the side walls are inclined planes respectively; the first pressing plate is provided with two first wall surfaces which are oppositely arranged along the width direction, one first wall surface is an inclined surface which is attached to the side wall, and the other first wall surface is a vertical surface which is attached to the inner side wall of the positioning groove.

Optionally, the second pressing plate has two second wall surfaces that set up relatively along the width direction, one second wall surface be with the inclined plane that the lateral wall is laminated mutually, another second wall surface be with wait to process the vertical face that the inside wall of groove is laminated mutually.

Optionally, the first pressing plate includes a first main body portion and a first connection portion that are sequentially connected along a width direction, and two first wall surfaces form opposite two side surfaces of the main body portion in the width direction; the first connecting part is provided with a first waist hole, the first waist hole extends along the width direction, and the first pressing plate is in sliding connection with the bottom plate through the first waist hole.

Optionally, the second pressing plate includes a second main body portion and a second connecting portion that are sequentially connected along a width direction, and two second wall surfaces form opposite two side surfaces of the main body portion in the width direction; the second connecting part is provided with a second waist hole, the second waist hole extends along the width direction, and the second pressing plate is in sliding connection with the bottom plate through the second waist hole.

Optionally, the number of the workpieces is at least two, the template and at least two mounting portions are arranged along the axial direction Fang Cengdie, and a group of second pressing plate groups is arranged in a groove to be processed of each mounting portion.

Optionally, the at least two workpieces include a first workpiece and a second workpiece; the first workpiece comprises a first cylinder body, the first cylinder body is provided with a first opening end and a first end plate which are oppositely arranged along the axial direction, a supporting plate is connected in the first cylinder body, a first installation part on the first workpiece surrounds the first opening end along the circumferential direction of the first cylinder body, a first positioning hole is formed in the supporting plate along the axial direction, and a second positioning hole coaxial with the first positioning hole is formed in the first end plate; the second workpiece comprises a second cylinder body, the second cylinder body is provided with a second opening end and a second installation part, the second opening end is oppositely arranged along the axial direction, the second installation part surrounds the second opening end along the circumferential direction of the second cylinder body, and a third positioning hole coaxial with the first positioning hole is formed in the second end plate; and a positioning through hole coaxial with the first positioning hole is formed in the template.

Optionally, the number of the positioning grooves is four, the positioning grooves are distributed at equal intervals along the circumferential direction of the template, and the positioning grooves correspond to the grooves to be processed on the mounting part in number one by one.

The beneficial effects of this application lie in, provide a location frock, the location frock is through setting up the template, set up the bellied assorted constant head tank on the container inner wall that waits to assemble on the periphery wall of template, the template is disposed to can be with the installation department of work piece along the range upon range of setting of axial direction of template, the constant head tank is with waiting to process the groove and communicate each other in axial direction on the installation department periphery wall, and set up locating component, the constant head tank that is linked together is inlayed along the axial direction of template in the locating component and is waited to process the groove, install first clamp plate group on the bottom plate in the constant head tank, two first clamp plates in the first clamp plate group respectively with two inside wall looks butt of constant head tank, install second clamp plate group on the bottom plate that is located to process the inslot, two second clamp plates in the second clamp plate group respectively with wait two looks butt of constant head tank, template and installation department that keep away from template and installation department in axial direction relative movement, wait to process the groove to process when processing, can be located a set of waiting to dismantle the constant head tank and wait to form the constant head tank and wait to process the groove and install the constant head tank and form the constant head tank and the relative stability that can be formed in the relative process the constant head tank and the relative process the constant head tank is still connected in the process, and the stability of processing assembly is guaranteed to be formed in the constant head tank and the relative process of processing the constant head tank and the installation groove and the constant head tank is still connected in the processing the position tank is still.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of a first structure of a positioning assembly in a positioning tool according to an embodiment of the present application;

FIG. 2 is a bottom view of FIG. 1;

fig. 3 is a schematic diagram of a second structure of a positioning assembly in the positioning tool according to the embodiment of the present application;

fig. 4 is a schematic structural diagram of a bottom plate in a positioning tool according to an embodiment of the present application;

FIG. 5 is a bottom view of FIG. 4;

fig. 6 is a schematic structural diagram of a first pressing plate in the positioning tool according to the embodiment of the present application;

FIG. 7 is a top view of FIG. 6;

fig. 8 is a schematic structural diagram of a second pressing plate in the positioning tool according to the embodiment of the present application;

FIG. 9 is an embodiment of the present application positioning tool provided by example with a mounting part a combined structure schematic diagram;

FIG. 10 is a positioning tool provided in an embodiment of the present application a schematic combined structure with two mounting parts;

FIG. 11 is a schematic view of the structure of the first workpiece;

FIG. 12 is a cross-sectional view taken along A-A of FIG. 11;

FIG. 13 is a top view of FIG. 11;

FIG. 14 is a schematic view of the structure of a second workpiece;

FIG. 15 is a B-B cross-sectional view of FIG. 14;

FIG. 16 is a top view of FIG. 14;

fig. 17 is a schematic diagram of an assembly structure of a positioning tool, a first workpiece and a second workpiece according to an embodiment of the present application.

Reference numerals illustrate:

100. a work piece 100a, a first work piece 100b, a second work piece 110, a mounting portion 110a, a first mounting portion 110b, a second mounting portion 111, a mounting groove 120a, a first cylinder body 121a, a first open end 122a, a first end plate 1221a, a second positioning hole 120b, a second cylinder body 121b, a second open end 122b, a second end plate 1221b, a third positioning hole 130a, a support plate 131a, a first positioning hole;

200. positioning tools, 210, templates, 211, positioning grooves, 212, positioning through holes, 220, bottom plates, 221, side walls, 222, mounting holes, 223, assembly holes, 230, first clamp plate groups, 231, first clamp plates, 2311, first main body parts, 2312, first connecting parts, 2313, first waist holes, 240, second clamp plate groups, 241, second clamp plates, 2411, second main body parts, 2412, second connecting parts, 2413, second waist holes, 250 and clamping plates;

x, axial direction, Y, width direction.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.

The embodiment of the application provides a location frock, location frock is through setting up the template, set up on the peripheral wall of template with wait to assemble protruding assorted constant head tank on the container inner wall, the template is disposed to can be along the axial direction range upon range of setting of template with the installation department of work piece, wait to process the groove and communicate each other in the axial direction on installation department peripheral wall, and set up locating component, the locating slot that is linked together is inlayed along the axial direction of template in the bottom plate in the locating component with wait to process the groove, install first clamp plate group on the bottom plate that lies in the locating slot, two first clamp plates in the first clamp plate group respectively with two inside wall looks butt of locating slot, install second clamp plate group on the bottom plate that lies in waiting to process the groove, two second clamp plates in the second clamp plate group respectively with wait to process two inside wall looks butt of groove, template and installation department that keep away from template and installation department in axial direction range upon range of setting, when waiting to process the groove and process, can dismantle the locating slot that lies in a set of being linked together and wait to process the locating component and wait to process the groove in the axial direction, wait to process the locating component and install and form the locating slot and the locating slot that can be formed in the relative position and the locating slot that is connected with the locating component, and the locating slot is still to be formed in the relative to process the locating slot, and the dimensional stability of the installation position of the locating slot is still can be formed in the process of the locating slot is still in the process of the locating slot, and the locating slot is still to be formed in the process of the corresponding to be guaranteed. As a typical application, the positioning tool can be used for centering positioning grooving of a pressing assembly and a hanging basket assembly in a nuclear reactor pressure vessel.

In an embodiment of the present application, a positioning tool 200 is provided, referring to fig. 1 to 17, the positioning tool 200 includes: template 210 and locating component, referring to fig. 1-10, the locating component includes: a base plate 220, a first platen set 230, a second platen set 240, and a clamp plate 250.

In some embodiments of the present application, referring to fig. 9 and 17, the form 210 is in the shape of a disc, at least two positioning slots 211 are formed on the outer peripheral wall of the form 210, and the positioning slots 211 extend along the radial direction of the form 210.

Referring to fig. 1, 2 and 4 and 5, the bottom plate 220 is in the shape of a plate body, the bottom plate 220 has a length direction and a width direction Y, the bottom plate 220 extends along an axial direction X of the die plate 210, that is, the length direction of the bottom plate 220 is set along the axial direction X of the die plate 210, the bottom plate 220 has two side walls 221 oppositely set along the width direction Y, mounting holes 222 are formed on the surface of the bottom plate 220, mounting holes 223 are formed on end surfaces of two ends of the bottom plate 220 in the length direction respectively, the mounting holes 222 may be through holes penetrating the bottom plate 220 or blind holes, and the mounting holes 223 are blind holes and extend along the length direction of the bottom plate 220.

Referring to fig. 1, 2 and 6 and 7, the first pressing plate set 230 includes two first pressing plates 231, the two first pressing plates 231 are disposed at intervals along the width direction Y of the bottom plate 220, one ends of the two first pressing plates 231 adjacent to each other in the width direction Y are respectively connected with the bottom plate 220, specifically, the first pressing plates 231 are connected with the mounting holes 222 on the bottom plate 220 through bolts, each first pressing plate 231 corresponds to at least one mounting hole 222, in this embodiment, each first pressing plate 231 corresponds to two mounting holes 222, so as to ensure the stability of the connection of the first pressing plates 231 with the bottom plate 220.

Referring to fig. 1, 2 and 8, the second pressing plate set 240 includes two second pressing plates 241, in this embodiment, the number of the second pressing plate sets 240 is one, the two second pressing plates 241 are disposed at intervals along the width direction Y of the bottom plate 220, one ends of the two second pressing plates 241 adjacent to each other in the width direction Y are respectively connected with the bottom plate 220, specifically, the second pressing plates 241 are connected with the mounting holes 222 on the bottom plate 220 through bolts, each second pressing plate 241 corresponds to at least one mounting hole 222, and in this embodiment, each second pressing plate 241 corresponds to two mounting holes 222 to ensure the stability of the connection of the second pressing plates 241 with the bottom plate 220.

Referring to fig. 1 and 2, the number of the clamping plates 250 is two, and the clamping plates 250 are respectively provided at both ends of the bottom plate 220 in the axial direction X (i.e., the length direction of the bottom plate 220), and the clamping plates 250 are coupled with the assembly holes 223 of the bottom plate 220 by screws.

The positioning tool 200 provided in this embodiment is used in the following manner, referring to fig. 9, the die plate 210 and the mounting portion 110 of the workpiece 100 are stacked along the axial direction X of the die plate 210, in this embodiment, the mounting portion 110 is annular, the diameter of the die plate 210 is consistent with the outer diameter of the mounting portion 110, and the mounting portion 110 is provided with grooves (not shown) to be machined, which correspond to the positioning grooves 211 in number one to one and are communicated with each other. In this embodiment, the number of the positioning slots 211 is four, so there are four groups of slots to be processed and positioning slots 211 which are communicated with each other, each group of slots to be processed and positioning slots 211 are embedded with a bottom plate 220, and one ends of the two first pressing plates 231, which are far away from each other in the width direction Y, are respectively abutted against two inner side walls of the positioning slots 211, which are oppositely arranged in the width direction Y, so as to fill gaps between the side walls 221 of the bottom plate 220 and the inner side walls of the adjacent positioning slots 211. One ends of the two second pressing plates 241, which are far from each other in the width direction Y, are respectively abutted against two inner sidewalls of the groove to be processed, which are oppositely disposed in the width direction Y, so as to fill a gap between the sidewall 221 of the bottom plate 220 and the inner sidewall of the adjacent groove to be processed. The first pressing plate 231 and the second pressing plate 241 fill the gap, so that the mounting portion 110 and the template 210 are fixed, and alignment of the positioning groove 211 and the groove to be machined in the axial direction X is ensured. Two clamping plates 250 are respectively connected with two ends of the bottom plate 220 in the axial direction X, one clamping plate 250 is abutted against one surface of the template 210, which faces away from the mounting part 110, in the axial direction X, the other clamping plate 250 is abutted against one surface of the mounting part 110, which faces away from the template 210, in the axial direction X, the two clamping plates 250 are matched to form clamping of the stacked templates 210 and the mounting part 110 in the axial direction X, relative movement of the templates 210 and the mounting part 110 in the axial direction X is avoided, and clamping firmness is guaranteed.

The groove to be machined is a groove body formed by rough machining on the outer peripheral wall of the mounting portion 110 through a cutter, the distance between two inner side walls of the groove to be machined, which are oppositely arranged in the width direction Y, is smaller than the distance between two inner side walls of the positioning groove 211, which are oppositely arranged in the width direction Y, for example, the distance between the two inner side walls of the positioning groove 211 is 100mm, the distance between the two inner side walls of the groove to be machined is smaller than 100mm, for example, 90mm, the groove to be machined forms a mounting groove 111 on the outer peripheral wall of the mounting portion 110 through further machining (i.e. finish machining) of the cutter, the distance between the two inner side walls of the mounting groove 111 is consistent with the distance between the two inner side walls of the positioning groove 211, for example, both the distances are 100mm, and the workpiece 100 is matched with the protrusions on the inner wall of a container (not shown in the figure) through the mounting groove 111 formed on the mounting portion 110, so that the workpiece 100 and the container are assembled.

In some embodiments of the present application, referring to fig. 3, the number of the second platen groups 240 is two, and the two second platen groups 240 are disposed at intervals along the axial direction X, and each second platen group 240 includes two second platens 241. Referring to fig. 10, the number of the workpieces 100 is two, that is, the number of the mounting portions 110 is two, the templates 210 and the two mounting portions 110 are stacked along the axial direction X, one second pressing plate set 240 is disposed in the groove to be processed of each mounting portion 110, one ends, away from each other in the width direction Y, of the two second pressing plates 241 in each second pressing plate set 240 are respectively abutted against two opposite inner side walls of the groove to be processed, fixing of the two mounting portions 110 and the templates 210 is achieved, alignment of the positioning groove 211 and the two grooves to be processed in the axial direction X is guaranteed, when the subsequent groove to be processed is subjected to finish processing, the two grooves to be processed are processed synchronously by the cutter, so that the mounting grooves 111 formed by the two grooves to be processed are aligned in the axial direction X, consistency of slotting positions and slotting sizes of the two mounting grooves 111 is guaranteed, and accuracy and stability of installation of the two workpieces 100 in the same container are guaranteed.

In some embodiments of the present application, referring to fig. 1 to 3 and fig. 6 to 10, one ends of two first pressing plates 231 of the first pressing plate set 230, which are adjacent to each other in the width direction Y, are respectively slidably connected to the bottom plate 220, so that the two first pressing plates 231 are close to or far from each other in the width direction Y. One ends of the two second pressing plates 241 of each second pressing plate group 240 adjacent to each other in the width direction Y are slidably connected to the bottom plate 220, respectively, such that the two second pressing plates 241 are close to or apart from each other in the width direction Y.

Specifically, referring to fig. 1 to 5, two opposite side walls 221 of the bottom plate 220 in the width direction Y are inclined surfaces, respectively, so that the cross section of the bottom plate 220 is isosceles trapezoid, the first pressing plate 231 has two first wall surfaces opposite to each other in the width direction Y, one first wall surface is an inclined surface that is attached to the adjacent side wall 221, the other first wall surface is a vertical surface that is attached to the inner side wall of the positioning groove 211, the second pressing plate 241 has two second wall surfaces opposite to each other in the width direction Y, one second wall surface is an inclined surface that is attached to the adjacent side wall 221, and the other second wall surface is a vertical surface that is attached to the inner side wall of the groove to be processed (or the mounting groove 111).

Specifically, referring to fig. 5-7, the first pressing plate 231 includes a first main body portion 2311 and a first connecting portion 2312 sequentially connected along a width direction Y, two side surfaces of the first main body portion 2311, which are oppositely disposed in the width direction Y, form two first wall surfaces, a first waist hole 2313 is formed in the first connecting portion 2312, the first waist hole 2313 extends along the width direction Y, a bolt passes through the first waist hole 2313 and the mounting hole 222, so that the first pressing plate 231 is slidably connected with the bottom plate 220 through the first connecting portion 2312, the first main body portion 2311 is attached to the side wall 221 of the bottom plate 220 through the first wall surface configured as an inclined surface, so that the first wall surface of the first main body portion 2311, which is configured as a straight surface, is attached to the inner side wall of the positioning groove 211, and thus the expandable structure design of the two first pressing plates 231 in the first pressing plate set 230 is realized, and the two pressing plates 231 in the first pressing plate set 230 can be adapted to different sizes of the positioning groove 211.

Referring to fig. 8, the second pressing plate 241 includes a second main body portion 2411 and a second connection portion 2412 sequentially connected along a width direction Y, two side surfaces of the second main body portion 2411, which are oppositely disposed in the width direction Y, form two second wall surfaces, a second waist hole 2413 is formed in the second connection portion 2412, the second waist hole 2413 extends along the width direction Y, bolts pass through the second waist hole 2413 and the mounting hole 222, so that the second pressing plate 241 is slidably connected with the bottom plate 220 through the second connection portion 2412, the second main body portion 2411 is attached to the side wall 221 of the bottom plate 220 through the second wall surface configured as an inclined surface, so that the second wall surface configured as a vertical surface in the second main body portion 2411 is attached to the inner side wall of the groove to be processed (or the mounting groove 111), and thus the expandable structure design of the two second pressing plates 241 in the second pressing plate set 240 is realized, so that the two pressing plates 241 in the second pressing plate set 240 can be attached to the side wall 221 in different sizes or the groove to be processed (or the groove 111 to be processed).

In some embodiments of the present application, referring to fig. 10 to 17, a workpiece 100 includes a first workpiece 100a and a second workpiece 100b, correspondingly, an installation portion on the first workpiece 100a is a first installation portion 110a, an installation portion on the second workpiece 100b is a second installation portion 110b, specifically, taking an in-pile component in a pressure vessel in a nuclear reactor as an example, the in-pile component includes a pressing component and a basket component, the pressing component is the first workpiece 100a, the first installation portion 110a is a flange, four grooves to be machined are formed on an outer peripheral wall of the first installation portion 110a, the basket component is the second workpiece 100b, the second installation portion 110b is a flange, and four grooves to be machined are formed on an outer peripheral wall of the second installation portion 110 b.

Referring to fig. 11 to 13, the first workpiece 100a includes a first cylinder 120a, the first cylinder 120a has a first opening end 121a and a first end plate 122a that are disposed opposite to each other in the axial direction, the first end plate 122a is a core upper plate in the pressing assembly, the first mounting portion 110a surrounds the first opening end 121a in the circumferential direction of the first cylinder 120a, the first cylinder 120a is inscribed with a support plate 130a, the support plate 130a is provided with a first positioning hole 131a, the first end plate 122a is provided with a second positioning hole 1221a, and the second positioning hole 1221a is coaxial with the first positioning hole 131a in the axial direction X.

Referring to fig. 14 to 16, the second workpiece 100b includes a second cylinder 120b, the second cylinder 120b has a second open end 121b and a second end plate 122b that are disposed opposite to each other in the axial direction, the second end plate 122b is a lower core plate in the basket assembly, the second mounting portion 110b surrounds the second open end 121b in the circumferential direction of the second cylinder 120b, and a third positioning hole 1221b coaxial with the first positioning hole 131a is formed in the second end plate 122 b.

Referring to fig. 17, a positioning through hole 212 coaxial with the first positioning hole 131a is formed in the template 210.

In some embodiments of the present application, referring to fig. 10, 13, 16 and 17, the number of the first positioning holes 131a, the second positioning holes 1221a, the third positioning holes 1221b and the positioning holes 212 is the same, and the positioning holes 212 are all five and coaxially arranged, for example, referring to fig. 17, where the central axis of one positioning hole 212 coincides with the central axis of the template 210, and the other four positioning holes 212 are arranged at equal intervals along the circumferential direction of the template 210, and the four positioning holes 212 located outside the central axis of the template 210 correspond to one positioning slot 211 in the radial direction of the template 210. The arrangement of the five positioning holes and the five positioning through holes 212 ensures that the positioning groove 211 of the die plate 210, the groove to be machined of the first mounting portion 110a, and the groove to be machined of the second mounting portion 110b are aligned in the axial direction X and communicate with each other.

Meanwhile, in some embodiments of the present application, a positioning processing method using the positioning tool 200 as described above is also provided, specifically, the positioning processing method will be described by taking the first workpiece 100a as a pressing component and taking the second workpiece 100b as a basket component.

Wherein, the compaction assembly and the hanging basket assembly jointly form an internal reactor component in a nuclear reactor, and in the nuclear power station reactor, a primary loop equipment comprises a pressure vessel, the internal reactor component, a control rod driving mechanism, an evaporator, a main pump, a pressure stabilizer and the like. The reactor inner member is mainly used for supporting and positioning reactor core components, and forms an in-reactor coolant flow channel together with the pressure vessel, so that cold and hot fluid separation in the reactor is realized, and the reactor inner member is one of main components for guiding coolant to circularly flow in the reactor.

The inner pile component composed of the pressing component and the hanging basket component is required to be installed in the pressure container, specifically, the flange end of the pressing component and the flange end of the hanging basket component are respectively provided with the installation grooves, when the pressure container is used, the barrel of the pressing component is inserted into the barrel of the hanging basket component, the flange end of the pressing component is overlapped with the flange end of the hanging basket component, the installation grooves on the flange end of the pressing component are communicated with the installation grooves on the flange end of the hanging basket component, and the inner pile component and the pressure container are assembled through the communicated installation grooves and the protrusions on the inner wall of the pressure container. However, because the mounting grooves on the flange end of the compression assembly and the mounting grooves on the flange end of the hanging basket assembly are processed respectively, errors exist in the consistency of the positions and the sizes of the grooves on the two assemblies, and therefore the assembly stability of the internal components and the pressure vessel is poor and even the internal components and the pressure vessel fall off.

And adopt the location frock that this application embodiment provided to set up the mounting groove in step at the flange end that compresses tightly the subassembly and on the flange end of hanging flower basket subassembly, can realize compressing tightly the uniformity of the fluting size, the fluting position of the mounting groove on the flange end of subassembly and the flange end of hanging flower basket subassembly, and then guarantee to pile interior component and pressure vessel's equipment stability and fastness.

Specifically, the positioning processing method performed by using the positioning tool 200 provided in the embodiment of the present application includes the following steps:

s1, an assembly template 210, a first workpiece 100a and a second workpiece 100b:

s11, referring to fig. 17, the first cylinder 120a of the first workpiece 100a (i.e., the pressing assembly) is inserted into the second cylinder 120b of the second workpiece 100b (i.e., the basket assembly) along the axial direction X, and the first end plate 122a (i.e., the upper core plate) and the second end plate 122b (the lower core plate) are spaced apart in the axial direction X to define a receiving cavity in the second cylinder 120b, which can be used for stacking the core rods as an in-stack member. The first mounting portion 110a (i.e., the flange end of the pressing assembly) and the second mounting portion 110b (i.e., the flange end of the basket assembly) are stacked in the axial direction X, a line connecting a first positioning hole 131a on the support plate 130a and a central axis of a second positioning hole 1221a on the first end plate 122a is used as a reference line, a deviation value between the central axis of a third positioning hole 1221b coaxially arranged with the first positioning hole 131a and the reference line is measured, and a relative position between the first cylinder 120a and the second cylinder 120b is adjusted according to the deviation value, so that the central axis of the third positioning hole 1221b coincides with the reference line, and alignment of the first mounting portion 110a and the second mounting portion 110b is completed, and a groove to be processed on the first mounting portion 110a corresponds to a groove to be processed on the second mounting portion 110b one by one and is communicated with each other in the axial direction X;

s12, stacking the template 210 on the first mounting part 110a along the axial direction X, measuring the deviation value between the central axis of the positioning through hole 212 and the reference line, and adjusting the relative position of the template 210 and the first mounting part 110a according to the deviation value, so that the central axis of the positioning through hole 212 coincides with the reference line, and the mounting of the template 210 on the first mounting part 110a is completed, wherein the positioning grooves 211, the grooves to be machined on the first mounting part 110a and the grooves to be machined on the second mounting part 110b are in one-to-one correspondence and are communicated with each other along the axial direction X, so as to form four groups of communicated groove bodies, and each group comprises one positioning groove 211, one groove to be machined on the first mounting part 110a and one groove to be machined on the second mounting part 110 b.

S2, installing a positioning assembly:

s21, mounting the bottom plate 220 in the communicated positioning groove 211 and two grooves to be processed;

s22, two clamping plates 250 are respectively arranged at two ends of the bottom plate 220 in the axial direction X, and the two clamping plates 250 form clamping and fixing of the stacked templates 210, the first mounting part 110a and the second mounting part 110b in the axial direction X;

s23, two first pressing plates 231 in the first pressing plate set 230 are mounted on the bottom plate 220, and one ends of the two first pressing plates 231, which are far away from each other in the width direction Y, respectively contact with the inner side walls of the positioning slots 211;

s24, two second pressing plates 241 in the second pressing plate set 240 are mounted on the bottom plate 220, and one ends of the two second pressing plates 241, which are far away from each other in the width direction Y, respectively contact with the inner side walls of the groove to be processed of the first mounting portion 110 a;

s25, two second pressing plates 241 in the other second pressing plate group 240 are mounted on the bottom plate 220, and one ends of the two second pressing plates 241, which are far from each other in the width direction Y, respectively abut against the inner side walls of the groove to be machined of the second mounting portion 110 b.

Thereby respectively installing a positioning component in the four groups of communicated groove bodies.

S3, machining to form a mounting groove:

s31, dismantling locating components installed in one group of communicated groove bodies in the four groups of communicated groove bodies, reserving locating components in the other three groups of communicated groove bodies, and synchronously processing two grooves to be processed which are communicated with each other in the groove bodies by using a cutter to reorganize the groove bodies of the locating components to form mounting grooves 111, so that two mounting grooves 111 with consistent groove sizes and groove positions are obtained;

wherein, since the positioning components in the other three groups of communicated groove bodies are reserved, the template 210, the first mounting part 110a and the second mounting part 110b can be prevented from moving relatively in the axial direction X by the clamping plate 250, and the template 210, the first mounting part 110a and the second mounting part 110b can be prevented from moving relatively in the width direction Y by the expanding action of the first pressing plate 231 and the second pressing plate 241, so that synchronous processing of the two grooves to be processed by the cutter and consistency of the two mounting grooves 111 formed by processing in the grooving size and grooving position are ensured.

S32, after the two mounting grooves 111 are formed, reinstalling positioning components in the positioning groove 211 and the two mounting grooves 111 which are communicated with each other, wherein one ends, away from each other in the width direction Y, of the two second pressing plates 241 in each second pressing plate group 240 are respectively abutted against the inner side walls of the mounting grooves 111;

s33, removing the positioning assembly in one of the other three groups of communicated groove bodies, and synchronously machining two grooves to be machined in the group of groove bodies with the positioning assembly removed to form a mounting groove 111 by referring to the step S31;

s34, repeating the steps S31-S33 until two grooves to be processed in each group of communicated groove bodies are processed to form the mounting groove 111.

The positioning tool and the positioning processing method provided by the embodiment of the application are described in detail, specific examples are applied to illustrate the principle and the implementation of the application, and the description of the above examples is only used for helping to understand the method and the core idea of the application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.

Claims (9)

1. The positioning tool is used for clamping and fixing a mounting part (110) of at least one workpiece (100), and at least two grooves to be processed are formed in the peripheral wall of the mounting part (110) at intervals, and is characterized by comprising a template (210) and at least two positioning components;

at least two positioning grooves (211) are formed in the peripheral wall of the template (210), the template (210) is configured to be stacked with the mounting part (110) along the axial direction (X) of the template, and the positioning grooves (211) and the grooves to be processed are communicated with each other in the axial direction (X);

the positioning assembly includes:

a bottom plate (220) configured to be embedded in the positioning groove (211) and the groove to be processed which are communicated with each other along the axial direction (X);

the first pressing plate group (230) comprises two first pressing plates (231), the two first pressing plates (231) are arranged in the positioning groove (211) at intervals along the width direction (Y) of the bottom plate (220), one ends of the two first pressing plates (231) adjacent to each other in the width direction (Y) are respectively connected with the bottom plate (220), one ends of the two first pressing plates (231) far away from each other in the width direction (Y) are respectively abutted against the inner side wall of the positioning groove (211), and the width direction (Y) is perpendicular to the axial direction (X);

at least one second pressing plate group (240) comprising two second pressing plates (241), wherein the two second pressing plates (241) are arranged in the groove to be processed at intervals along the width direction (Y), one ends of the two second pressing plates (241) adjacent to each other in the width direction (Y) are respectively connected with the bottom plate (220), and one ends of the two first pressing plates (231) far away from each other in the width direction (Y) are respectively abutted against the inner side wall of the groove to be processed;

two clamping plates (250), wherein two ends of the bottom plate (220) in the axial direction (X) are respectively connected with one clamping plate (250), and the two clamping plates (250) clamp the template (210) and the mounting part (110) in the axial direction (X).

2. The positioning tool according to claim 1, wherein one ends of the two first pressing plates (231) adjacent to each other in the width direction (Y) are slidably connected to the bottom plate (220), respectively, so that the two first pressing plates (231) are close to or far from each other in the width direction (Y);

one ends of the two second pressing plates (241) adjacent to each other in the width direction (Y) are respectively slidably connected with the bottom plate (220) so that the two second pressing plates (241) are close to or far from each other in the width direction (Y).

3. The positioning tool according to claim 1, wherein the bottom plate (220) has two sidewalls (221) disposed opposite to each other along the width direction (Y), and the sidewalls (221) are inclined surfaces;

the first pressing plate (231) is provided with two first wall surfaces which are oppositely arranged along the width direction (Y), one first wall surface is an inclined surface which is attached to the adjacent side wall (221), and the other first wall surface is a vertical surface which is attached to the inner side wall of the positioning groove (211).

4. A positioning tool according to claim 3, wherein the second pressing plate (241) has two second wall surfaces disposed opposite to each other along the width direction (Y), one of the second wall surfaces is an inclined surface that is attached to the adjacent side wall (221), and the other second wall surface is a vertical surface that is attached to the inner side wall of the groove to be processed.

5. A positioning tool according to claim 3, wherein the first pressing plate (231) includes a first main body portion (2311) and a first connecting portion (2312) sequentially connected in a width direction (Y), and two first wall surfaces constitute opposite side surfaces of the first main body portion (2311) in the width direction (Y);

first waist hole (2313) has been seted up on first connecting portion (2312), first waist hole (2313) is followed width direction (Y) extends, first clamp plate (231) pass through first waist hole (2313) with bottom plate (220) sliding connection.

6. The positioning tool according to claim 4, wherein the second pressing plate (241) includes a second main body portion (2411) and a second connecting portion (2412) sequentially connected along a width direction (Y), and two second wall surfaces constitute opposite side surfaces of the main body portion (2411) in the width direction (Y);

the second connecting portion (2412) is provided with a second waist hole (2413), the second waist hole (2413) extends along the width direction (Y), and the second pressing plate (241) is slidably connected with the bottom plate (220) through the second waist hole (2413).

7. The positioning tool according to claim 1, wherein the number of the workpieces (100) is at least two, the templates (210) and at least two mounting portions (110) are arranged in a stacked manner along the axial direction (X), and a group of second pressing plate groups (240) is arranged in a groove to be processed of each mounting portion (110).

8. The positioning tool according to claim 7, wherein at least two of the workpieces (100) comprise a first workpiece (100 a) and a second workpiece (100 b);

the first workpiece (100 a) comprises a first cylinder (120 a), the first cylinder (120 a) is provided with a first opening end (121 a) and a first end plate (122 a) which are oppositely arranged along the axial direction (X), a supporting plate (130 a) is inscribed in the first cylinder (120 a), a first mounting part (110 a) on the first workpiece (100 a) surrounds the first opening end (121 a) along the circumferential direction of the first cylinder (120 a), a first positioning hole (131 a) is formed in the supporting plate (130 a) along the axial direction (X), and a second positioning hole (1221 a) which is coaxial with the first positioning hole (131 a) is formed in the first end plate (122 a);

the second workpiece (100 b) comprises a second cylinder (120 b), the second cylinder (120 b) is provided with a second opening end (121 b) and a second mounting part (110 b) on the second workpiece (100 b), the second opening end (121 b) is surrounded by the second mounting part (110 b) on the second workpiece (100 b) along the circumferential direction of the second cylinder (120 b), and a third positioning hole (1221 b) coaxial with the first positioning hole (131 a) is formed on the second end plate (122 b);

and a positioning through hole (212) coaxial with the first positioning hole (131 a) is formed in the template (210).

9. The positioning tool according to claim 1, wherein the number of the positioning grooves (211) is four, the positioning grooves (211) are distributed at equal intervals along the circumferential direction of the template (210), and the positioning grooves (211) are in one-to-one correspondence with grooves to be processed on one mounting portion (110).