CN115256262A - Positioning tool and assembly method of assembly - Google Patents

Positioning tool and assembly method of assembly Download PDF

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Publication number
CN115256262A
CN115256262A CN202210883775.2A CN202210883775A CN115256262A CN 115256262 A CN115256262 A CN 115256262A CN 202210883775 A CN202210883775 A CN 202210883775A CN 115256262 A CN115256262 A CN 115256262A
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CN
China
Prior art keywords
mounting hole
positioning tool
diameter
assembly
positioning
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Pending
Application number
CN202210883775.2A
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Chinese (zh)
Inventor
赵建
杨百剑
舒瀚达
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CETC 11 Research Institute
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CETC 11 Research Institute
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Publication date
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Priority to CN202210883775.2A priority Critical patent/CN115256262A/en
Publication of CN115256262A publication Critical patent/CN115256262A/en
Pending legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gripping Jigs, Holding Jigs, And Positioning Jigs (AREA)

Abstract

The invention provides a positioning tool and an assembly method of a component. The positioning tool includes: the first end of the main body section is a guide section formed by gradually reducing the diameter, the diameter of the maximum diameter section of the main body section is smaller than the inner diameter of the mounting hole, and the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section is not more than 0.5mm; a handle is attached to the second end of the body section, the handle having a diameter greater than the diameter of the body section. According to the positioning tool provided by the embodiment of the invention, when the assembly is assembled, the main body section can be extended into the mounting hole through the guide section, the mounting hole is positioned and aligned when the assembly is assembled, moreover, the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section is not more than 0.5mm, the alignment precision of the mounting hole can be improved, the assembly is convenient to install, and the assembly efficiency and quality of the assembly are improved.

Description

Positioning tool and assembly method of assembly
Technical Field
The invention relates to the technical field of part assembly, in particular to an assembly method of a positioning tool and a positioning assembly.
Background
In the mechanical part assembling process, positioning is needed among parts, in the hole assembling process, especially, for the positioning of large and medium-sized part mounting holes, the mounting process needs to be manually aligned with the mounting holes and fixed by screws, time and labor are wasted, when the mounting hole positions are staggered, the screws are fixed and easily generate stress, the product quality and the service life are influenced, how to realize quick and accurate positioning is realized, and the important influence is generated on the assembling quality and the assembling efficiency of the parts.
Disclosure of Invention
The invention provides a positioning tool and an assembly method of a component, aiming at solving the technical problem of improving the assembly efficiency and quality of parts.
According to the embodiment of the invention, the positioning tool comprises:
the first end of the main body section is a guide section formed by gradually reducing the diameter, the diameter of the maximum diameter section of the main body section is smaller than the inner diameter of the mounting hole, and the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section is not more than 0.5mm;
a handle connected to the second end of the body section, the handle having a diameter greater than the diameter of the body section.
According to the positioning tool provided by the embodiment of the invention, when the assembly is assembled, the main body section can be extended into the mounting hole through the guide section, the mounting hole is positioned and aligned when the assembly is assembled, moreover, the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section is not more than 0.5mm, the alignment precision of the mounting hole can be improved, the assembly is convenient to install, and the assembly efficiency and quality of the assembly are improved.
According to some embodiments of the invention, a diameter of the handle segment is not smaller than a diameter of the mounting hole.
In some embodiments of the invention, a through-going aperture is provided near the distal end of the handle, and the positioning tool further comprises a tether passing through the aperture.
According to some embodiments of the invention, the length of the main body segment is not less than the depth of the mounting hole.
In some embodiments of the invention, the end surface of the guide section is a circular arc surface.
According to the assembling method of the assembly of the embodiment of the invention, the assembly at least comprises a first part and a second part, the first part is provided with a first mounting hole, the second part is provided with a second mounting hole, and when the assembly is assembled, the mounting holes of the first part and the second part are positioned and aligned by adopting the positioning tool, and the assembling method comprises the following steps:
pre-aligning the first part with the second part;
adjusting the relative position of the first part and the second part, and extending a main body section of the positioning tool into the second mounting hole through the first mounting hole by a guide section of the positioning tool;
maintaining the relative positions of the first part and the second part, and taking out the positioning tool;
and a fixing piece penetrates through the first mounting hole and is matched and connected with the second mounting hole.
According to the positioning method, the problems that the traditional assembly method is time-consuming and labor-consuming, complex in operation and the like are solved, and the positioning method has the advantages of being simple in structure, high in practicability, convenient and fast to operate and the like. According to the invention, the positions of the parts to be positioned are adjusted by the positioning tool, so that the positions of the first mounting hole and the second mounting hole can be changed, the positioning tool is matched with the first mounting hole and the second mounting hole, and then the parts are fixed by the fixing piece, so that the purpose of accurately positioning and mounting the parts is achieved, and the correctness and the rapidity of the assembly process are ensured; the sizes and the number of the positioning tool, the first mounting hole and the second mounting hole can be adjusted according to the size and the position of the part, so that the positioning tool is suitable for assembling products of different sizes and types.
According to some embodiments of the invention, when the first part has a plurality of first mounting holes and the second part has a plurality of second mounting holes, after pre-aligning the first part and the second part, a plurality of the positioning tools are inserted into the corresponding first mounting holes and second mounting holes.
In some embodiments of the present invention, after the first mounting holes and the second mounting holes are aligned one by corresponding positioning tools, the relative positions of the first part and the second part are maintained, all the positioning tools are taken out, and a plurality of fixing members are used to pass through the corresponding first mounting holes to be connected with the second mounting holes in a matching manner.
According to some embodiments of the present invention, after the first mounting holes and the second mounting holes are aligned one by corresponding positioning tools, the relative positions of the first part and the second part are maintained, and after one positioning tool is taken out, the fixing member is passed through the corresponding first mounting hole to be connected with the second mounting hole in a matching manner, and then the other positioning tools are taken out in sequence.
In some embodiments of the invention, the method further comprises:
and the taken-out positioning tool is fixed to a preset position through a hanging chain.
Drawings
FIG. 1 is a schematic structural diagram of a positioning tool according to an embodiment of the invention;
FIG. 2 is a schematic view of a positioning tool according to an embodiment of the present invention;
FIG. 3 is a flow chart of a method of assembling components according to an embodiment of the invention;
FIG. 4 is a schematic view of a mounting hole of a part according to an embodiment of the invention;
FIG. 5 is a schematic diagram of a positioning method for assembling large parts according to an embodiment of the invention;
FIG. 6 is a cross-sectional view of a positioning method for assembling large parts according to an embodiment of the present invention;
FIG. 7 is an assembly view of a large part positioned using the positioning method of the present invention, according to an embodiment of the present invention.
Reference numerals:
the positioning tool 100, the body segment 10, the guide segment 110, the handle 20, the perforations 210,
a first part 310, a first mounting hole 311, a second part 320, a second mounting hole 321, a third part 330, a fixing member 400, a screw and a spacer 500.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the predetermined purposes, the present invention is described in detail below with reference to the accompanying drawings and preferred embodiments.
The description of the method flow in the present specification and the steps of the flow chart in the drawings of the present specification are not necessarily strictly performed by the step numbers, and the execution order of the method steps may be changed. Moreover, certain steps may be omitted, multiple steps combined into one step execution, and/or a step broken into multiple step executions.
The invention provides a positioning tool and an assembly method of an assembly, aiming at the problem of how to realize quick and accurate positioning in the assembly process of mechanical parts.
As shown in fig. 1, a positioning tool 100 according to an embodiment of the present invention includes: a main body section 10 and a handle 20.
The first end of the main body section 10 is a guide section 110 with a diameter gradually reduced, the diameter of the largest diameter section of the main body section 10 is smaller than the inner diameter of the mounting hole, and the difference between the inner diameter of the mounting hole and the outer diameter of the largest diameter section of the main body section 10 is not more than 0.5mm; a handle 20 is attached to the second end of the body section 10, the handle 20 having a diameter greater than the diameter of the body section 10.
It should be noted that, by providing the guide section 110 and setting the diameter of the main body section 10 to be smaller than the inner diameter of the mounting hole, the main body section 10 can be extended into the mounting hole through the guide section 110. Moreover, the difference between the inner diameter of the mounting hole and the outer diameter of the largest diameter of the main body section 10 is not more than 0.5mm, so that the mounting holes between the components can be accurately positioned and aligned when the components are assembled.
It should be noted that if the difference between the inner diameter of the mounting hole and the diameter of the main body segment 10 is too large, there is a problem that the alignment of the mounting hole between the components is not accurate, and if the difference between the inner diameter of the mounting hole and the diameter of the main body segment 10 is too small, it is inconvenient to insert the main body segment 10 into the mounting hole.
Through experimental verification, the difference value between the inner diameter of the mounting hole and the outer diameter of the main body section 10 is not more than 0.5mm, so that the main body section 10 can conveniently stretch into the mounting hole to be positioned and aligned, the alignment accuracy of the component mounting hole can be improved, and the component mounting efficiency and quality are improved.
According to the positioning tool 100 of the embodiment of the invention, when the assembly is assembled, the main body section 10 can be inserted into the mounting hole through the guide section 110, the mounting hole is positioned and aligned when the assembly is assembled, moreover, the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section 10 is not more than 0.5mm, the alignment precision of the mounting hole can be improved, the assembly is convenient to install, and the assembly efficiency and quality of the assembly are improved.
According to some embodiments of the present invention, as shown in FIG. 1, the diameter of the handle 20 segment is no less than the diameter of the mounting hole. It should be noted that, the diameter of the handle 20 section is not smaller than the diameter of the mounting hole, and when the depth of the mounting hole is too long, the problem that the handle 20 section falls into the mounting hole and is not convenient to take out can be avoided.
In some embodiments of the present invention, as shown in FIG. 1, a through-hole 210 is provided near the distal end of the handle 20, and the positioning tool 100 further comprises a tether that passes through the through-hole 210. It can be appreciated that by providing the through hole 210 and the hanging chain, the positioning tool 100 can be placed in a fixed position, so as to avoid the problem that the positioning tool 100 is lost or inconvenient to find.
According to some embodiments of the present invention, as shown in fig. 1, the length of the main body segment 10 is not less than the depth of the mounting hole. It should be noted that, by setting the length of the main body segment 10 to be not less than the depth of the mounting hole, the problem that the positioning assembly is not easy to take out due to dropping into the mounting hole can be avoided.
In some embodiments of the present invention, as shown in fig. 1, the end surface of the guide segment 110 is a circular arc surface. It should be noted that, by setting the end face of the guiding segment 110 to be a circular arc surface, the problem that the end of the guiding segment 110 is too sharp to scratch an operator and an assembly part can be avoided.
According to the assembling method of the assembly of the embodiment of the invention, as shown in fig. 2 and fig. 3, the assembly at least comprises a first part 310 and a second part 320, the first part 310 is provided with a first mounting hole 311, the second part 320 is provided with a second mounting hole 321, when the assembly is assembled, the positioning tool 100 is used for positioning and aligning the mounting holes of the first part 310 and the second part 320, and the assembling method comprises the following steps:
s100, pre-aligning a first part 310 and a second part 320;
s200, adjusting the relative positions of the first part 310 and the second part 320, and extending the main body section 10 of the positioning tool 100 into the second mounting hole 321 through the first mounting hole 311 by the guide section 110 of the positioning tool 100;
s300, keeping the relative positions of the first part 310 and the second part 320, and taking out the positioning tool 100;
and S400, adopting the fixing piece 400 to penetrate through the first mounting hole 311 to be matched and connected with the second mounting hole 321.
According to the positioning method, the problems of time and labor consumption, complex operation and the like of the traditional assembly method are solved, and the positioning method has the advantages of simple structure, strong practicability, convenience in operation and the like. According to the invention, the positions of the parts to be positioned are adjusted by the positioning tool 100, and the positions of the first mounting hole 311 and the second mounting hole 321 can be changed, so that the positioning tool 100 is matched with the first mounting hole 311 and the second mounting hole 321, and then the parts are fixed by the fixing part 400, so that the purpose of accurately positioning and mounting the parts is achieved, and the correctness and the rapidity of the assembling process are ensured; the sizes and the numbers of the positioning tool 100, the first mounting hole 311 and the second mounting hole 321 can be adjusted according to the sizes and the positions of the parts, so that the positioning tool is suitable for assembling products with different sizes and types.
According to some embodiments of the present invention, as shown in fig. 5, when the first part 310 has a plurality of first mounting holes 311 and the second part 320 has a plurality of second mounting holes 321, after pre-aligning the first part 310 and the second part 320, a plurality of positioning tools 100 are inserted into the corresponding first mounting holes 311 and second mounting holes 321.
Therefore, the mounting holes of the first part 310 and the second part 320 are positioned and fixed by using a plurality of positioning tools 100, so that the corresponding mounting holes can be conveniently aligned when the assembly is assembled, and the assembly is convenient.
In some embodiments of the present invention, after the first mounting holes 311 and the second mounting holes 321 are aligned by the corresponding positioning tools 100, the relative positions of the first part 310 and the second part 320 are maintained, all the positioning tools 100 are removed, and the fixing members 400 are used to fit through the corresponding first mounting holes 311 and the second mounting holes 321.
That is, when the first component 310 having the plurality of first mounting holes 311 and the second component 320 having the plurality of second mounting holes 321 are assembled, all the first mounting holes 311 and the second mounting holes 321 may be aligned by the plurality of positioning tools 100, and then all the positioning tools 100 may be completely removed and then fixed and assembled by the corresponding fixing members 400.
According to some embodiments of the present invention, after the first mounting holes 311 and the second mounting holes 321 are aligned by the corresponding positioning tools 100, the relative positions of the first part 310 and the second part 320 are maintained, and after one positioning tool 100 is taken out, the fixing member 400 is inserted through the corresponding first mounting hole 311 and is connected with the second mounting hole 321 in a matching manner, and then the remaining positioning tools 100 are taken out sequentially.
That is, when assembling the first component 310 having the plurality of first mounting holes 311 and the second component 320 having the plurality of second mounting holes 321, all the first mounting holes 311 and the second mounting holes 321 can be aligned by the plurality of positioning tools 100, and after removing each positioning tool 100, the corresponding fixture 400 is used to perform positioning and fixing until all the positioning tools 100 are removed.
In some embodiments of the invention, the method further comprises: the extracted positioning tool 100 is fixed to a preset position by a hanging chain. Thus, problems of loss and difficulty in finding the positioning tool 100 can be avoided.
The positioning tool 100 and the assembly method of the components according to the present invention are described in detail below with reference to the accompanying drawings. It is to be understood that the following description is only exemplary in nature and should not be taken as a specific limitation on the invention.
As shown in fig. 1, the positioning tool 100 is divided into two parts, the upper part is a handle 20 part, the handle 20 is convenient for an operator to grasp, a through hole 210 is formed on the handle 20, and the positioning tool 100 can be fixed to a preset position by using a hanging chain so as to prevent loss and facilitate taking and placing; the lower part is a main body section 10 part, the diameter of the main body section 10 is slightly smaller than that of the installation hole, and the tail end of the main body section is provided with a conical guide section 110, so that the positioning of the positioning tool 100 is facilitated.
The invention can be used for positioning large and medium-sized parts and assembling the parts. As shown in fig. 2, the positioning tool 100 may be used to align the first mounting hole 311 and the second mounting hole 321 when the first part 310 and the second part 320 are mounted, so that the central axes of the first mounting hole 311 and the second mounting hole 321 coincide. The first mounting hole 311 is a through hole, and after the positioning tool 100 is positioned, the positioning tool 100 is removed and fixed by using screws. As shown in fig. 4, the second mounting hole 321 of the second part 320 is divided into two parts, an upper part is a smooth hole with a chamfer having a size slightly larger than that of the screw hole, and a lower part is a normal screw hole.
As shown in fig. 2, the first mounting hole 311 of the first member 310 is chamfered by C2 with a hole size of Φ 11. The main body section 10 of the positioning tool 100 has a size of Φ 10.5, as shown in fig. 4, the second mounting hole 321 of the second part 320 is an M10 threaded hole, the second mounting hole 321 is a through hole larger than a screw, and the size is Φ 11; obviously, according to the positioning method of the present invention, the positioning tool 100 can achieve the axis alignment of the first mounting hole 311 and the second mounting hole 321, and can rapidly achieve the central axis alignment of the first mounting hole 311 and the second mounting hole 321 during the mounting process of the medium-and-large sized part.
Fig. 5 is a schematic view of a positioning method installed on a large part, fig. 6 is a sectional view of fig. 5, and fig. 7 is an assembly view of a large part positioned by the positioning method of the present invention.
As shown in fig. 5, the medium and large parts are mounted in a fixed position, and the base plate (i.e., the third part 330 shown in fig. 5-7) and the strut (i.e., the second part 320 in fig. 5-7) are used to carry the medium and large parts (i.e., the first part 310 shown in fig. 5-7).
The base plate (i.e., the third part 330 shown in fig. 5-7) is fixed in place and four struts (i.e., the second part 320 in fig. 5-7) are fixed to the base plate by screws and spacers 500 to support the large part (i.e., the first part 310 in fig. 5-7). The large part (i.e., the first part 310 shown in fig. 5-7) is secured to the post (i.e., the second part 320 in fig. 5-7) by four mounting holes.
The mounting hole of the large part (i.e., the first part 310 shown in fig. 5-7) is a through hole larger than the screw M10, and has a size of Φ 11; the strut (i.e. the second part 320 in fig. 5-7) is provided with a second mounting hole 321, a chamfer angle C2, a hole size phi 11 and a threaded hole with a lower end M10; the pin dimension of the positioning tool 100 is Φ 10.5. After the large part (i.e. the first part 310 shown in fig. 5-7) is hoisted and placed on the strut (i.e. the second part 320 in fig. 5-7), the positioning tool 100 is used to adjust the positions of the first mounting hole 311 on the large part (i.e. the first part 310 shown in fig. 5-7) and the second mounting hole 321 on the strut (i.e. the second part 320 in fig. 5-7) so that the central axes of the four first mounting holes 311 and the second mounting hole 321 coincide, then the positioning tool 100 is removed, the fixing member 400 is used to be screwed and fixed, and the fixing member 400 can be a screw and washer combination.
In summary, the positioning tool 100, the first mounting hole 311 and the second mounting hole 321 are matched with each other in the positioning process of the present invention, so that the positioning and mounting of the large and medium-sized parts can be realized, and the accuracy and the rapidity of the assembling process are ensured. The number and the size of the positioning tool 100, the first mounting hole 311 and the second mounting hole 321 in the positioning method are adjusted according to the size and the position of the part, so that the positioning tool is suitable for assembling products with different sizes and types; the positioning method has the advantages of simple structure, low cost, strong practicability, convenience in operation, time saving, labor saving and the like.
While the invention has been described in connection with specific embodiments thereof, it is to be understood that it is intended by the appended drawings and description that the invention may be embodied in other specific forms without departing from the spirit or scope of the invention.

Claims (10)

1. A positioning tool, comprising:
the first end of the main body section is a guide section formed by gradually reducing the diameter, the diameter of the maximum diameter section of the main body section is smaller than the inner diameter of the mounting hole, and the difference between the inner diameter of the mounting hole and the outer diameter of the maximum diameter section of the main body section is not more than 0.5mm;
a handle connected to the second end of the body section, the handle having a diameter greater than the diameter of the body section.
2. The positioning tool of claim 1, wherein the diameter of the handle segment is not less than the diameter of the mounting hole.
3. The positioning tool of claim 1, wherein a through-going aperture is provided proximate the distal end of the handle, the positioning tool further comprising a tether passing through the aperture.
4. The positioning tool of claim 1, wherein the length of the body segment is not less than the depth of the mounting hole.
5. The positioning tool of claim 1, wherein the end surface of the guide section is a circular arc surface.
6. A method of assembling an assembly comprising at least a first part having a first mounting hole and a second part having a second mounting hole, the mounting holes of the first and second parts being positioned and aligned using the positioning tool of any one of claims 1 to 5 when the assembly is assembled, the method comprising:
pre-aligning the first part with the second part;
adjusting the relative position of the first part and the second part, and extending a main body section of the positioning tool into the second mounting hole through the first mounting hole by a guide section of the positioning tool;
maintaining the relative positions of the first part and the second part, and taking out the positioning tool;
and a fixing piece penetrates through the first mounting hole to be matched and connected with the second mounting hole.
7. The method of assembling an assembly of claim 6, wherein when said first part has a plurality of first mounting holes and said second part has a plurality of second mounting holes, a plurality of said positioning tools are extended into corresponding first and second mounting holes after pre-aligning said first and second parts.
8. The method of assembling an assembly of claim 7, wherein after a plurality of said first holes and a plurality of said second holes are aligned by corresponding positioning tools, the relative positions of said first part and said second part are maintained, all of said positioning tools are removed, and a plurality of fasteners are used to fit through corresponding said first holes and said second holes.
9. The assembly method of claim 7, wherein after the first mounting holes and the second mounting holes are aligned one by corresponding positioning tools, the relative positions of the first part and the second part are maintained, and after one positioning tool is taken out, the fixing member is passed through the corresponding first mounting hole to be connected with the second mounting hole in a matching manner, and then the rest positioning tools are taken out in sequence.
10. The method of assembling an assembly according to any one of claims 6-9, further comprising:
the positioning tool taken out is fixed to a preset position through a hanging chain.
CN202210883775.2A 2022-07-26 2022-07-26 Positioning tool and assembly method of assembly Pending CN115256262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210883775.2A CN115256262A (en) 2022-07-26 2022-07-26 Positioning tool and assembly method of assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210883775.2A CN115256262A (en) 2022-07-26 2022-07-26 Positioning tool and assembly method of assembly

Publications (1)

Publication Number Publication Date
CN115256262A true CN115256262A (en) 2022-11-01

Family

ID=83769471

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210883775.2A Pending CN115256262A (en) 2022-07-26 2022-07-26 Positioning tool and assembly method of assembly

Country Status (1)

Country Link
CN (1) CN115256262A (en)

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