A positioning structure

Abstract

This invention discloses a positioning structure, relating to the field of positioning tooling technology. The positioning structure includes a positioning seat, a first clamping mechanism, a tightening mechanism, and a second clamping mechanism. The positioning seat is used to position a first assembly component. The first clamping mechanism is used to clamp the positioned first assembly component from the top. The tightening mechanism is used to tighten a second assembly component sleeved on the first assembly component from the side. The second clamping mechanism is used to clamp the tightened second assembly component from the top. This positioning structure eliminates the assembly gap between two assembly components, improving the assembly accuracy of the two components.

Description

Technical Field

[0001] This invention relates to the field of positioning tooling technology, and more specifically to a positioning structure. Background Technology

[0002] In recent years, as electronic products have become increasingly powerful, their internal structures have become more and more precise and complex. As a result, the requirements for assembly precision in electronic products have become increasingly stringent.

[0003] Some existing electronic products, such as smartwatches, require the soldering of built-in components with functional areas onto their watch cases. Due to the extremely small size of these components, the positional accuracy of the solder joints is critical, ensuring they do not extend beyond the functional areas. Currently, the built-in components are manually fitted onto the mounting posts of the watch case, and then welded together. However, simply fitting the components onto the mounting posts leaves an assembly gap, making it impossible to guarantee the assembly accuracy of the components. Even after welding, issues such as misalignment and incomplete soldering can still occur. Therefore, there is an urgent need to develop a positioning structure to eliminate the assembly gap between the two components and improve assembly accuracy. Summary of the Invention

[0004] In view of the above-mentioned defects in the prior art, the present invention provides a positioning structure that eliminates the assembly gap between two assembly parts and improves the assembly accuracy of the two assembly parts.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is as follows:

[0006] A positioning structure includes a positioning seat, a first pressing mechanism, a top-pressing mechanism, and a second pressing mechanism. The positioning seat is used to position a first assembly component. The first pressing mechanism is used to press the positioned first assembly component from the top. The top-pressing mechanism is used to press a second assembly component sleeved on the first assembly component from the side. The second pressing mechanism is used to press the top-pressed second assembly component from the top.

[0007] Furthermore, the positioning seat includes a seat body and a positioning platform disposed on the seat body. The seat body is used to support the first assembly component, and the positioning platform cooperates with the inner hole of the first assembly component to realize the positioning of the first assembly component.

[0008] Furthermore, the first clamping mechanism includes a first driving member disposed in the seat body and two clamping claws disposed on the first driving member. A first clearance hole is provided on the positioning platform, and the two clamping claws extend out from the first clearance hole. The first driving member is used to drive the two clamping claws to open and close, and the two clamping claws are used to clamp or loosen the top of the first assembly component.

[0009] Furthermore, the clamping mechanism includes a second driving member disposed in the base body and a clamping member disposed on the second driving member. A second clearance hole is provided on the positioning platform, and the clamping member extends out from the second clearance hole. The second driving member is used to drive the clamping member to move horizontally and linearly, and the clamping member is used to clamp the side of the second assembly component.

[0010] Furthermore, the second clamping mechanism includes a third driving member and a pressure head disposed on the third driving member. The third driving member is used to drive the pressure head to move vertically in a straight line, and the pressure head is used to clamp the top of the second assembly component.

[0011] Furthermore, the second pressing mechanism also includes a fourth driving member for driving the third driving member and the pressure head to move horizontally and linearly, the third driving member being disposed on the fourth driving member.

[0012] Furthermore, the positioning structure also includes a covering mechanism for covering the first assembly component.

[0013] Furthermore, the covering mechanism includes a fifth driving member and a cover plate disposed on the fifth driving member, the fifth driving member being used to drive the cover plate to move, and the cover plate being used to open or cover the first assembly component.

[0014] Furthermore, the cover plate is connected to the power output part of the fifth driving member via a connecting rod, and a cover guide structure is provided between the connecting rod and the fifth driving member.

[0015] Furthermore, the cover plate is provided with a clearance structure for avoiding the first pressing mechanism, the tightening mechanism and the second assembly component.

[0016] By adopting the above technical solution, the beneficial effects of the present invention are:

[0017] The positioning structure provided by the present invention positions the first assembly component by a positioning seat and presses the positioned first assembly component from the top by a first pressing mechanism, thereby achieving precise positioning of the first assembly component; a second assembly component fitted onto the first assembly component by a pressing mechanism from the side and a second pressing mechanism by a pressing mechanism from the top, thereby eliminating the assembly gap between the first and second assembly components, achieving precise assembly of the second assembly component, and improving the assembly accuracy between the first and second assembly components. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the positioning structure of the present invention;

[0019] Figure 2 yes Figure 1 A schematic diagram of the middle positioning seat and the first clamping mechanism;

[0020] Figure 3 yes Figure 1 Installation diagram of the middle positioning seat, the first clamping mechanism, and the top clamping mechanism;

[0021] Figure 4 yes Figure 3 Schematic diagram of the central clamping mechanism;

[0022] Figure 5 yes Figure 1 A schematic diagram of the second clamping mechanism;

[0023] Figure 6 yes Figure 1 A schematic diagram of the structure of the central shielding mechanism;

[0024] Figure 7 yes Figure 1 Assembly diagram of the inner casing and internal components;

[0025] Figure 8 yes Figure 7 Enlarged view of section A in the middle;

[0026] In the diagram: 1. Positioning seat; 11. Base plate; 12. Top plate; 13. Support plate; 14. Positioning platform; 15. First clearance hole; 16. Second clearance hole; 2. First clamping mechanism; 21. First driving component; 22. Claw; 3. Tightening mechanism; 31. Second driving component; 32. Tightening component; 4. Second clamping mechanism; 41. Third driving component; 42. Pressure head; 43. Fourth driving component; 5. Covering mechanism; 51. Fifth driving component; 511. Guide hole; 52. Cover plate; 521. Third clearance hole; 522. Fourth clearance hole; 53. Connecting rod; 54. Guide pin; 6. Case; 61. Mounting column; 7. Internal component. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only for explaining the present invention and are not intended to limit the present invention.

[0028] like Figures 1 to 8As shown, some existing electronic products, such as smartwatches, require the welding of built-in components 7 with functional areas onto their watch case 6. Due to the very small size of the built-in component 7, the positional accuracy of the solder joints is extremely critical, requiring that the solder joints not extend beyond the functional areas. Currently, the built-in component 7 is mainly fitted onto the mounting post 61 of the watch case 6 manually, and then the mounting post 61 and the built-in component 7 are welded together. However, simply fitting the built-in component 7 onto the mounting post 61 leaves an assembly gap between them, making it impossible to guarantee the assembly accuracy of the built-in component. After welding, problems such as misalignment and incomplete soldering of the built-in component 7 still occur. However, using the positioning structure provided by this invention to position the watch case 6 and the built-in component 7 eliminates the assembly gap between them, improves the assembly accuracy between the watch case 6 and the built-in component 7, and increases the welding yield. This embodiment uses the watch case 6 as the first assembly component and the built-in component 7 as the second assembly component to specifically introduce the positioning structure provided by this invention.

[0029] The positioning structure includes a positioning seat 1, a first pressing mechanism 2, a tightening mechanism 3, and a second pressing mechanism 4. The positioning seat 1 is used to position the watch case 6. The first pressing mechanism 2 is used to press the positioned watch case 6 from the top. The tightening mechanism 3 is used to tighten the built-in part 7 sleeved on the mounting post 61 of the watch case 6 from the side. The second pressing mechanism 4 is used to press the tightened built-in part 7 from the top.

[0030] The watch case 6 is positioned by the positioning seat 1, and the first pressing mechanism 2 presses the positioned watch case 6 from the top, achieving precise positioning of the watch case 6. The inner part 7, which is sleeved on the mounting post 61, is pressed from the side by the tightening mechanism 3, and the tightened inner part 7 is pressed from the top by the second pressing mechanism 4, eliminating the assembly gap between the mounting post 61 and the inner part 7, achieving precise assembly of the inner part 7, improving the assembly accuracy between the watch case 6 and the inner part 7, and making full preparations for subsequent welding processes, greatly improving the welding yield.

[0031] In this embodiment, the positioning seat 1 includes a seat body and a positioning platform 14 disposed on the seat body. The seat body supports the watch case 6, and the positioning platform 14 cooperates with the inner hole of the watch case 6 to achieve positioning of the watch case 6. This arrangement makes reasonable use of the inner hole of the watch case 6 without the need for a separate positioning structure, which has good economic efficiency.

[0032] In this embodiment, the base includes a bottom plate 11 and a top plate 12 arranged in parallel, and two support plates 13 arranged vertically between the bottom plate 11 and the top plate 12. The positioning platform 14 is arranged on the top plate 12. The top plate 12, the bottom plate 11 and the two support plates 13 together form an installation space for installing the first pressing mechanism 2 and the clamping mechanism 3. This arrangement makes the positioning structure more compact and improves the space utilization rate.

[0033] In this embodiment, the first pressing mechanism 2 includes a first driving member 21 disposed in the base and two pressing claws 22 disposed on the first driving member 21. A first clearance hole 15 is provided on the positioning platform 14. The two pressing claws 22 extend out of the first clearance hole 15. The first driving member 21 is used to drive the two pressing claws 22 to open and close. The two pressing claws 22 are used to press or release the top of the watch case 6.

[0034] Because the finger cylinder has a compact structure, it can be used in confined spaces and has the advantages of fast response and high accuracy. Therefore, in this embodiment, the first driving component 21 is preferably a finger cylinder, and the two pressure claws 22 are respectively disposed on the two fingers of the finger cylinder. In practical applications, the first driving component 21 can also be a lifting and translating mechanism, in which the pressure claws 22 are disposed and driven by the lifting and translating mechanism to move and achieve the pressing or releasing of the watch case 6. The specific choice depends on the actual needs, and this embodiment does not limit this.

[0035] The clamping mechanism 3 in this embodiment includes a second driving member 31 disposed in the base body and a clamping member 32 disposed on the second driving member 31. A second clearance hole 16 is provided on the positioning platform 14, and the clamping member 32 extends out of the second clearance hole 16. The second driving member 31 drives the clamping member 32 to move horizontally and linearly, and the clamping member 32 clamps the side of the built-in member 7. The clamping member 32 has a clamping surface, which contacts the side of the built-in member 7 during clamping. This arrangement increases the contact area, improves the clamping effect, and further reduces the assembly gap.

[0036] In this embodiment, the second pressing mechanism 4 includes a third driving member 41 and a pressing head 42 disposed on the third driving member 41. The third driving member 41 drives the pressing head 42 to move vertically in a straight line, and the pressing head 42 presses the top of the built-in member 7. The second pressing mechanism also includes a fourth driving member 43 for driving the third driving member 41 and the pressing head 42 to move horizontally in a straight line. The third driving member 41 is disposed on the fourth driving member 43, and the fourth driving member 43 is disposed on the top plate 12 of the base. This arrangement enables both vertical and horizontal movement of the pressing head 42, making the pressing head 42 more flexible.

[0037] In this embodiment, the pressure head 42 has a pressing surface, which contacts the top surface of the built-in component 7 during pressing. This arrangement increases the contact area, improves the pressing effect, and further reduces the assembly gap.

[0038] In this embodiment, since the watch case 6 has two mounting posts 61, and the built-in parts 7 need to be welded onto both mounting posts 61, two sets of the tightening mechanism 3 and the second pressing mechanism 4 are correspondingly provided in this embodiment. In practical applications, the number of tightening mechanisms 3 and the second pressing mechanism 4 can be set according to the number of second assembly parts, and this embodiment does not limit this.

[0039] Since cylinders have the advantage of smooth power output, in this embodiment, the second drive member 31, the third drive member 41 and the fourth drive member 43 are preferably cylinders. In actual applications, the second drive member 31, the third drive member 41 and the fourth drive member 43 can also be electric cylinders or hydraulic cylinders, depending on the actual needs. This embodiment does not impose any restrictions on this.

[0040] To prevent welding slag from splashing and affecting the appearance of the watch case 6 during subsequent welding processes, the positioning structure in this embodiment also includes a covering mechanism 5 for covering the watch case 6.

[0041] Specifically, the covering mechanism 5 includes a fifth driving member 51 and a cover plate 52 disposed on the fifth driving member 51. The fifth driving member 51 is used to drive the cover plate 52 to move, and the cover plate 52 is used to open or cover the watch case 6.

[0042] In this embodiment, the cover plate 52 is connected to the power output part of the fifth drive member 51 via the connecting rod 53. In order to achieve a better covering effect, a covering guide structure is provided between the connecting rod 53 and the fifth drive member 51.

[0043] In this embodiment, the fifth driving component 51 is preferably a rotary pressing cylinder. The cover guide structure in this embodiment includes a guide hole 511 provided on the rotary pressing cylinder and a guide pin 54 provided on the connecting rod 53. The rotary pressing cylinder drives the cover plate 52 to rotate above the watch case 6 and, under the guidance of the guide hole 511 and the guide pin 54, drives the cover plate 52 to press the watch case 6 to achieve the cover of the watch case 6.

[0044] In this embodiment, the cover plate 52 is provided with a clearance structure to avoid the first pressing mechanism 2, the tightening mechanism 3, and the built-in component 7. This arrangement achieves both coverage of the watch case 6 and does not hinder the assembly of the watch case 6 and the built-in component 7.

[0045] Specifically, the clearance structure includes a third clearance hole 521 for clearing the pressure claw 22 and a fourth clearance hole 522 for clearing the clamping member 32 and the built-in member 7. In practical applications, the clearance structure can be set according to the actual situation, and this embodiment does not limit it.

[0046] In use, the watch case 6 is placed on the top plate 12 and positioned by the positioning platform 14. Then, the first driving member 21 drives the two pressure claws 22 to press the top of the watch case 6, thereby achieving precise positioning of the watch case 6. Next, the second driving member 31 drives the clamping member 32 to press the side of the built-in member 7 sleeved on the mounting post 61. Then, the third driving member 41 and the fourth driving member 43 cooperate to drive the pressure head 42 to press the top of the clamped built-in member 7, thereby eliminating the assembly gap between the built-in member 7 and the mounting post 61, thereby achieving precise assembly of the built-in member 7. Finally, the positioned built-in member 7 and the mounting post 61 of the watch case 6 are welded together by welding equipment.

[0047] The above is one embodiment of the positioning structure of the present invention; many other embodiments are not described in detail here. In summary, the positioning structure of the present invention eliminates the assembly gap between two assembly parts, achieves precise assembly of the two assembly parts, and improves assembly accuracy.

[0048] This invention is not limited to the specific embodiments described above. Any modifications made by those skilled in the art based on the above concept without creative effort are within the scope of protection of this invention.

Claims

1. A positioning structure, characterized in that, The assembly includes a positioning seat, a first pressing mechanism, a top pressing mechanism, and a second pressing mechanism. The positioning seat is used to position a first assembly component. The first pressing mechanism is used to press the positioned first assembly component from the top. The top pressing mechanism is used to press a second assembly component sleeved on the first assembly component from the side. The second pressing mechanism is used to press the top-pressed second assembly component from the top. The positioning seat includes a seat body and a positioning platform disposed on the seat body. The seat body is used to support the first assembly component, and the positioning platform cooperates with the inner hole of the first assembly component to realize the positioning of the first assembly component. The clamping mechanism includes a second driving member disposed in the base and a clamping member disposed on the second driving member. A second clearance hole is provided on the positioning platform. The clamping member extends out of the second clearance hole. The second driving member is used to drive the clamping member to move horizontally in a straight line. The clamping member is used to clamp the side of the second assembly component. The second clamping mechanism includes a third driving member and a pressure head disposed on the third driving member. The third driving member is used to drive the pressure head to move vertically in a straight line, and the pressure head is used to clamp the top of the second assembly component.

2. The positioning structure according to claim 1, characterized in that, The first clamping mechanism includes a first driving member disposed in the seat body and two clamping claws disposed on the first driving member. A first clearance hole is provided on the positioning platform, and the two clamping claws extend out from the first clearance hole. The first driving member is used to drive the two clamping claws to open and close, and the two clamping claws are used to clamp or loosen the top of the first assembly component.

3. The positioning structure according to claim 1, characterized in that, The second pressing mechanism further includes a fourth driving member for driving the third driving member and the pressure head to move horizontally and linearly, the third driving member being disposed on the fourth driving member.

4. The positioning structure according to claim 1, characterized in that, The positioning structure also includes a covering mechanism for covering the first assembly component.

5. The positioning structure according to claim 4, characterized in that, The covering mechanism includes a fifth driving member and a cover plate disposed on the fifth driving member. The fifth driving member is used to drive the cover plate to move, and the cover plate is used to open or cover the first assembly component.

6. The positioning structure according to claim 5, characterized in that, The cover plate is connected to the power output part of the fifth driving member via a connecting rod, and a cover guide structure is provided between the connecting rod and the fifth driving member.

7. The positioning structure according to claim 5, characterized in that, The cover plate is provided with a clearance structure for avoiding the first pressing mechanism, the tightening mechanism and the second assembly component.

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