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

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 components

technical field

The invention relates to the technical field of parts assembly, in particular to a positioning tool and an assembly method of components.

Background technique

In the assembly process of mechanical parts, positioning is required between the parts. In the hole assembly process, especially for the positioning of the mounting holes of large and medium-sized components, the installation process needs to be manually aligned with the mounting holes and fixed with screws, which is time-consuming and laborious. When the mounting holes are misaligned, stress is likely to be generated when the screws are fixed, which affects product quality and life. Therefore, how to achieve fast and accurate positioning will have a crucial impact on the assembly quality and assembly efficiency of parts.

Contents of the invention

The technical problem to be solved by the invention is how to improve the assembly efficiency and quality of parts. The invention proposes a positioning tool and an assembly method of components.

A positioning tool according to an embodiment of the present invention includes:

A main body section, the first end of the main body section is gradually reduced in diameter to form a guide section, the diameter of the largest diameter section of the main body section is smaller than the inner diameter of the installation hole, and the inner diameter of the installation hole is the same as that of the largest diameter section of the main body section The difference in outer diameter does not exceed 0.5mm;

A handle is connected to the second end of the main body section, and the diameter of the handle is larger than that of the main body section.

According to the positioning tool of the embodiment of the present invention, when the assembly is assembled, the main body section can be inserted into the installation hole through the guide section, and the installation hole is positioned and aligned when the assembly is assembled, and the inner diameter of the installation hole is the same as the maximum diameter section of the main body section The difference of the outer diameters of the components does not exceed 0.5mm, which can improve the alignment accuracy of the mounting holes, thereby facilitating the installation of the components, and improving the assembly efficiency and quality of the components.

According to some embodiments of the present invention, the diameter of the handle segment is not smaller than the diameter of the installation hole.

In some embodiments of the present invention, a through hole is provided near the end of the handle, and the positioning tool further includes a chain passing through the hole.

According to some embodiments of the present invention, the length of the main body section is not less than the depth of the installation hole.

In some embodiments of the present invention, the end surface of the guide segment is an arc surface.

According to the assembly method of the assembly in the embodiment of the present invention, the assembly includes at least a first part and a second part, the first part has a first mounting hole, the second part has a second mounting hole, When assembling the components, the above-mentioned positioning tool is used to position and align the mounting holes of the first part and the second part, and the assembly method includes:

pre-aligning the first part with the second part;

Adjust the relative position of the first part and the second part, and extend the main body section of the positioning tool through the first mounting hole into the second mounting hole through the guiding section of the positioning tool in the hole;

maintaining the relative position of the first part and the second part, and taking out the positioning tool;

A fixing piece is used to pass through the first installation hole and be matedly connected with the second installation hole.

According to the positioning method of the present invention, the problems of time-consuming, labor-intensive and complicated operation of the traditional assembly method are solved, and it has the advantages of simple structure, strong practicability, convenient operation and the like. The present invention adjusts the position of the parts to be positioned by the positioning tool, and can change the positions of the first mounting hole and the second mounting hole, so as to realize the coordination between the positioning tool and the first mounting hole and the second mounting hole, and then fix it with a fixing piece to achieve The purpose of accurate positioning and installation of parts ensures the correctness and speed of the assembly process; the size and quantity of positioning tools, the first mounting hole and the second mounting hole can be adjusted according to the size and position of the parts, so as to adapt to different sizes and Type of product assembly.

According to some embodiments of the present invention, when the first part has a plurality of first mounting holes and the second part has a plurality of second mounting holes, when pre-aligning the first part and the After the second part, a plurality of positioning tools are inserted into the corresponding first installation hole and the second installation hole.

In some embodiments of the present invention, after a plurality of the first mounting holes and a plurality of the second mounting holes are positioned and aligned by corresponding positioning tools, the first part and the second For the relative position of the parts, take out all the positioning tools, and use a plurality of fixing pieces to pass through the corresponding first installation holes and connect with the second installation holes.

According to some embodiments of the present invention, after a plurality of the first mounting holes and a plurality of the second mounting holes are positioned and aligned by corresponding positioning tools, the first part and the second zero are kept When taking out one of the positioning tools, use the fixing piece to pass through the corresponding first mounting hole and connect with the second mounting hole, and then take out the remaining positioning tools in sequence.

In some embodiments of the present invention, the method also includes:

The taken-out positioning tool is fixed to a preset position by a hanging chain.

Description of drawings

Fig. 1 is a schematic structural diagram of a positioning tool according to an embodiment of the present invention;

Fig. 2 is a schematic diagram of positioning by a positioning tool according to an embodiment of the present invention;

FIG. 3 is a flowchart of an assembly method of components according to an embodiment of the present invention;

4 is a schematic diagram of a mounting hole of a part according to an embodiment of the present invention;

5 is a schematic diagram of a positioning method for assembling large parts according to an embodiment of the present invention;

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 diagram of a certain large part after being positioned using the positioning method of the present invention according to an embodiment of the present invention.

Reference signs:

Positioning tool 100, body section 10, guide section 110, handle 20, perforation 210,

The first part 310 , the first installation hole 311 , the second part 320 , the second installation hole 321 , the third part 330 , the fixing part 400 , the screw and the washer 500 .

Detailed ways

In order to further explain the technical means and functions adopted by the present invention to achieve the intended purpose, the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.

The description of the method flow in the description of the present invention and the steps of the flow chart in the drawings of the description of the present invention do not have to be strictly executed according to the step numbers, and the execution order of the method steps can be changed. Moreover, some steps may be omitted, multiple steps may be combined into one step for execution, and/or one step may be decomposed into multiple steps for execution.

Aiming at the problem of how to realize fast and accurate positioning in the assembly process of mechanical parts, the present invention provides a positioning tool and an assembly method of components. Accurate positioning.

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 has a diameter gradually decreasing to form a guide section 110, the diameter of the largest diameter section of the main body section 10 is smaller than the inner diameter of the installation hole, and the difference between the inner diameter of the installation hole and the outer diameter of the largest diameter section of the main body section 10 No more than 0.5 mm; the handle 20 is connected to the second end of the main body section 10 , and the diameter of the handle 20 is larger than that of the main body section 10 .

It should be noted that by providing the guide section 110 and setting the diameter of the main body section 10 smaller than the inner diameter of the installation hole, the main body section 10 can be extended into the installation hole through the guide section 110 . Moreover, the difference between the inner diameter of the mounting hole and the outer diameter of the maximum 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 during assembly of the components.

It should be noted that if the difference between the inner diameter of the mounting hole and the diameter of the main body section 10 is too large, there will be a problem of inaccurate alignment of the mounting holes between components; if the difference between the inner diameter of the mounting hole and the diameter of the main body section 10 is too small, Then it is inconvenient to extend the main body section 10 into the installation hole.

After experimental verification, by setting the difference between the inner diameter of the mounting hole and the outer diameter of the main body section 10 to be no more than 0.5 mm, it is convenient for the main body section 10 to extend into the mounting hole for positioning and alignment, and the alignment accuracy of the component mounting holes can be improved, and the Improve the efficiency and quality of component installation.

According to the positioning tool 100 of the embodiment of the present invention, when the assembly is assembled, the main body section 10 can be inserted into the installation hole through the guide section 110, and the installation hole is positioned and aligned when the assembly is assembled. Moreover, the inner diameter of the installation hole is consistent with the main body section. 10 The difference between the outer diameters of the largest diameter section does not exceed 0.5mm, which can improve the alignment accuracy of the mounting holes, thereby facilitating the installation of components, and improving the assembly efficiency and quality of components.

According to some embodiments of the present invention, as shown in FIG. 1 , the diameter of the section of the handle 20 is not smaller than the diameter of the installation hole. It should be noted that the diameter of the 20 segments of the handle is not smaller than the diameter of the mounting hole. When the depth of the mounting hole is too long, the problem that the 20 segments of the handle fall into the mounting hole and are not easy 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 end of the handle 20 , and the positioning tool 100 further includes a hanging chain passing through the hole 210 . It can be understood that the positioning tool 100 can be placed in a fixed position by setting the perforation 210 and the hanging chain, so as to prevent the positioning tool 100 from being lost or inconvenient to search for.

According to some embodiments of the present invention, as shown in FIG. 1 , the length of the main body section 10 is not less than the depth of the installation hole. It should be noted that by setting the length of the main body section 10 to be not less than the depth of the installation hole, the problem that the positioning component falls into the installation hole and is not easy to take out can be avoided.

In some embodiments of the present invention, as shown in FIG. 1 , the end surface of the guide segment 110 is an arc surface. It should be noted that setting the end surface of the guide section 110 as an arc surface can avoid the problem that the end of the guide section 110 is too sharp and scratches the operator and the assembly parts.

According to the assembly method of the assembly of the embodiment of the present invention, as shown in Figure 2 and Figure 3, the assembly at least includes a first part 310 and a second part 320, the first part 310 has a first mounting hole 311, the second part 310 The component 320 has a second mounting hole 321. When assembling components, the above positioning tool 100 is used to position and align the mounting holes of the first component 310 and the second component 320. The assembly method includes:

S100, pre-aligning the first part 310 and the second part 320;

S200, adjust the relative position of the first part 310 and the second part 320, and extend the main body section 10 of the positioning tool 100 through the first installation hole 311 into the second installation hole 321 through the guide section 110 of the positioning tool 100 ;

S300, maintaining the relative position of the first part 310 and the second part 320, and taking out the positioning tool 100;

S400, using the fixing member 400 to pass through the first installation hole 311 and cooperate with the second installation hole 321 .

According to the positioning method of the present invention, the problems of time-consuming, labor-intensive and complicated operation of the traditional assembly method are solved, and it has the advantages of simple structure, strong practicability, convenient operation and the like. The present invention adjusts the position of the parts to be positioned by the positioning tool 100, and can change the positions of the first mounting hole 311 and the second mounting hole 321, thereby realizing the coordination of the positioning tool 100 with the first mounting hole 311 and the second mounting hole 321, and then Use the fixing part 400 to fix, to achieve the purpose of accurate positioning and installation of the parts, and ensure the correctness and rapidity of the assembly process; the size and quantity of the positioning tool 100, the first mounting hole 311 and the second mounting hole 321 can be determined according to the size of the parts and The position is adjusted to adapt to the assembly of products of 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 , when pre-aligning the first zero After the component 310 and the second component 320 , a plurality of positioning tools 100 are inserted into the corresponding first installation hole 311 and the second installation hole 321 .

Therefore, using multiple positioning tools 100 to position and fix the mounting holes of the first part 310 and the second part 320 can facilitate alignment of the corresponding mounting holes during assembly of the assembly, facilitating assembly of the assembly.

In some embodiments of the present invention, after the plurality of first installation holes 311 and the plurality of second installation holes 321 are positioned and aligned by the corresponding positioning tool 100, the alignment of the first part 310 and the second part 320 is maintained. In the relative position, all the positioning tools 100 are taken out, and a plurality of fixing pieces 400 are used to pass through the corresponding first installation holes 311 and cooperate with the second installation holes 321 .

That is to say, when assembling the first part 310 with a plurality of first installation holes 311 and the second part 320 with a plurality of second installation holes 321, all positioning tools 100 can be positioned and aligned. After the first installation hole 311 and the second installation hole 321 , all the positioning tools 100 are taken out, and then the corresponding fixing parts 400 are used for fixing and assembling.

According to some embodiments of the present invention, after the plurality of first installation holes 311 and the plurality of second installation holes 321 are positioned and aligned by the corresponding positioning tool 100, the relative relationship between the first part 310 and the second part 320 is maintained. position, each time one of the positioning tools 100 is taken out, the fixing member 400 is used to pass through the corresponding first installation hole 311 and the second installation hole 321 to cooperate and connect, and then take out the remaining positioning tools 100 in turn.

That is to say, when the first part 310 having a plurality of first mounting holes 311 and the second part 320 having a plurality of second mounting holes 321 are assembled, all positioning tools 100 can be positioned and aligned. After the first installation hole 311 and the second installation hole 321 , after each positioning tool 100 is taken out, the corresponding fixing member 400 is used for positioning and fixing until all the positioning tools 100 are taken out.

In some embodiments of the present invention, the method further includes: fixing the taken out positioning tool 100 to a preset position through a hanging chain. Thus, the 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 will be described in detail below with reference to the accompanying drawings. It should be understood that the following description is only an exemplary description, and should not be construed as a specific limitation to the present invention.

As shown in Figure 1, the positioning tool 100 is divided into two parts, the upper part is the handle 20, the handle 20 is convenient for the operator to hold, the handle 20 has a perforation 210, and the positioning tool 100 can be fixed to a preset position by using a chain , to prevent loss, easy to pick and place; the lower part is the main body section 10, the diameter of the main body section 10 is slightly smaller than the diameter of the mounting hole, and the end has a conical guide section 110 to facilitate the positioning of the positioning tool 100.

The invention can be used for the positioning of large and medium-sized parts and for the assembly of parts. As shown in Figure 2, the positioning tool 100 can be used to align the first mounting hole 311 and the second mounting hole 321 when installing the first part 310 and the second part 320, so that the first mounting hole 311 and the second mounting hole 321 are aligned. The central axes of the second installation holes 321 are coincident. The first mounting hole 311 is a through hole. After the positioning tool 100 is positioned, the positioning tool 100 is removed and fixed with screws. As shown in FIG. 4 , the second mounting hole 321 of the second part 320 is divided into two parts, the upper part is a smooth hole with a chamfered size slightly larger than the threaded hole, and the lower part is an ordinary threaded hole.

As shown in FIG. 2 , the first mounting hole 311 of the first part 310 is chamfered by C2, and the size of the hole is Φ11. The size of the main body section 10 of the positioning tool 100 is Φ10.5, as shown in Figure 4, the second mounting hole 321 of the second part 320 is an M10 threaded hole, and the second mounting hole 321 is a through hole larger than the screw, with a size of Φ11 Obviously, with the positioning method of the present invention, the positioning tool 100 can realize the axis alignment of the first mounting hole 311 and the second mounting hole 321, and in the installation process of large and medium-sized parts, the first mounting hole 311 and the second mounting hole can be quickly realized. The alignment of the central axes of the holes 321.

Fig. 5 is a schematic diagram of a positioning method installed on a certain large part, Fig. 6 is a cross-sectional view of Fig. 5, and Fig. 7 is an assembly diagram of a certain large part after positioning using the positioning method of the present invention.

As shown in Figure 5, the large and medium-sized parts are installed in a fixed position, the bottom plate (ie the third part 330 shown in Figure 5-Figure 7) and the pole (ie the second part in Figure 5-Figure 7 320) is used to carry large and medium-sized parts (ie, the first part 310 shown in FIGS. 5-7).

The bottom plate (that is, the third part 330 shown in Fig. 5-Fig. 7) is fixed at a certain position, and the four poles (that is, the second part 320 in Fig. 5-Fig. 7) are fixed by screws and washers 500 On the bottom plate to support large parts (ie the first part 310 shown in FIGS. 5-7 ). The large part (ie the first part 310 shown in FIGS. 5-7 ) is fixed on the pole (ie the second part 320 in FIGS. 5-7 ) through four mounting holes.

The installation hole of the large part (i.e. the first part 310 shown in Fig. 5-Fig. 7) is a through hole larger than the screw M10, and the size is Φ11; ) is provided with a second mounting hole 321 with a chamfer C2, the hole size is Φ11, and the lower end is an M10 threaded hole; the pin shaft size of the positioning tool 100 is Φ10.5. After the large part (i.e. the first part 310 shown in FIGS. Namely the position of the first installation hole 311 on the first part 310 shown in Fig. 5-Fig. The central axes of the four first mounting holes 311 and the second mounting holes 321 are coincident, and then the positioning tool 100 is removed, and fixed with a fixing part 400, which can be combined with screws and washers.

In summary, the positioning of the present invention can realize the positioning and installation of large and medium-sized parts through the mutual cooperation of the positioning tool 100, the first mounting hole 311 and the second mounting hole 321, ensuring the correctness and rapidity of the assembly process. According to the size and position of the parts, the quantity and size of the positioning tool 100, the first mounting hole 311 and the second mounting hole 321 are adjusted in the positioning method, so as to be suitable for the assembly of products of different sizes and types; the positioning method of the present invention has the advantages of simple structure, It has the advantages of low cost, strong practicability, convenient operation, time saving and labor saving.

Through the description of the specific implementation, it should be possible to gain a deeper and more specific understanding of the technical means and effects of the present invention to achieve the intended purpose. However, the attached drawings are only for reference and description, and are not used to explain the present invention. limit.

Claims (10)

1. A positioning tool, characterized in that, comprising: A main body section, the first end of the main body section is gradually reduced in diameter to form a guide section, the diameter of the largest diameter section of the main body section is smaller than the inner diameter of the installation hole, and the inner diameter of the installation hole is the same as that of the largest diameter section of the main body section The difference in outer diameter does not exceed 0.5mm; A handle is connected to the second end of the main body section, and the diameter of the handle is larger than that of the main body section. 2. The positioning tool according to claim 1, wherein the diameter of the handle section is not smaller than the diameter of the mounting hole. 3 . The positioning tool according to claim 1 , wherein a through hole is provided near the end of the handle, and the positioning tool further comprises a chain passing through the hole. 4 . 4. The positioning tool according to claim 1, wherein the length of the main body section is not less than the depth of the mounting hole. 5. The positioning tool according to claim 1, characterized in that, the end surface of the guide section is an arc surface. 6. An assembly method of a component, characterized in that the component includes at least a first part and a second part, the first part has a first mounting hole, and the second part has a second mounting hole Holes, during component assembly, use the positioning tool according to any one of claims 1-5 to position and align the mounting holes of the first part and the second part, and the assembly method include: pre-aligning the first part with the second part; Adjust the relative position of the first part and the second part, and extend the main body section of the positioning tool through the first mounting hole into the second mounting hole through the guiding section of the positioning tool in the hole; maintaining the relative position of the first part and the second part, and taking out the positioning tool; A fixing piece is used to pass through the first installation hole and be matedly connected with the second installation hole. 7. The assembly method according to claim 6, characterized in that, when the first part has a plurality of first installation holes and the second part has a plurality of second installation holes, After aligning the first part and the second part, a plurality of positioning tools are inserted into corresponding first mounting holes and second mounting holes. 8. The assembly method of the assembly according to claim 7, characterized in that, after a plurality of the first mounting holes and a plurality of the second mounting holes are positioned and aligned by corresponding positioning tools, the For the relative position of the first part and the second part, all the positioning tools are taken out, and a plurality of fixing parts are used to pass through the corresponding first installation holes and cooperate with the second installation holes. 9. The assembly method of the assembly according to claim 7, characterized in that, after a plurality of the first mounting holes and a plurality of the second mounting holes are positioned and aligned by corresponding positioning tools, the For the relative position of the first part and the second part, each time one of the positioning tools is taken out, the fixing part is used to pass through the corresponding first installation hole and the second installation hole to cooperate with the second installation hole, and then take out the rest in turn Positioning tool. 10. The assembly method of the assembly according to any one of claims 6-9, characterized in that the method further comprises: The taken-out positioning tool is fixed to a preset position by a hanging chain.

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