A welding jig

Abstract

The present invention discloses a welding jig for welding assemblies, wherein the assembly has welding areas on opposite sides thereof, including a cover plate with a first window and a base with a second window, wherein the base is detachably connected to the cover plate, wherein the first window and the second window are aligned with different welding areas, respectively, and a receiving groove for receiving the assembly is provided on a side of the base close to the cover plate, and a supporting mechanism for supporting the assembly is provided on at least one side of the receiving groove. The locking of the base and the cover plate and the cooperation of the supporting mechanism enable the assembly to be precisely positioned inside the welding jig. After one clamping, the front and back sides of the assembly can be welded through the first and second windows, which facilitates the operation of employees, helps to improve production efficiency, and reduces the production cost of the assembly; the assembled assembly has good consistency; and the assembly can be assembled by automated equipment.

Description

Technical Field

[0001] The present invention relates to the technical field of tooling fixtures, and in particular to a welding jig. Background Art

[0002] like Figures 1 to 4 As shown, there is an assembly 1, which includes an injection molded part 13 and a stamping part 12. The stamping part 12 is welded to the injection molded part 13. A cross-section of the welding area of ​​the stamping part 12 and the injection molded part 13 is taken. The injection molded part 13 is 7-shaped in this cross-section, and the stamping part 12 is L-shaped in this cross-section. In this cross-section, the injection molded part 13 and the stamping part 12 are connected in a ring shape. One end of the injection molded part 13 is provided with a first welding part 81 and is welded to one end of the stamping part 12 through the first welding part 81. The other end of the injection molded part 13 is provided with a second welding part 82 and is welded to the other end of the stamping part 12 through the second welding part 82. A plurality of holes 5 are respectively provided on the injection molded part 13 and the stamping part 12. It is easy to understand that the first and second welding parts can be either metal parts formed into one piece with the injection molded part 13 through an insert injection molding process, or they can be only plastic parts. When the first and second welding parts are only plastic parts, the injection molded part 13 and the stamping part 12 are connected by laser welding.

[0003] Due to the particularity of the structure and welding points of the assembly 1, the assembly 1 is currently assembled manually without suitable welding jigs, resulting in low assembly efficiency and labor-intensive work, resulting in high production costs for the assembly 1. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a special welding jig for the above-mentioned assembly to improve the assembly efficiency of the assembly.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is: a welding jig, used for welding an assembly, wherein the assembly has welding areas on opposite sides respectively, including a cover plate with a first window and a base with a second window, the base and the cover plate are detachably connected, the first window and the second window are respectively aligned with different welding areas, and the base is provided with a receiving groove for accommodating the assembly on a side close to the cover plate, and at least one side of the receiving groove is provided with a supporting mechanism for supporting the assembly.

[0006] The beneficial effects of the present invention are as follows: the locking of the base and the cover plate and the cooperation of the supporting mechanism enable the assembly to be accurately positioned inside the welding jig. After one clamping, the front and back sides of the assembly can be welded through the first and second windows, which greatly facilitates the operation of employees, helps to improve production efficiency and reduce the production cost of the assembly; the assembled assemblies have good consistency; the assemblies can be assembled through automated equipment, which helps to further improve production efficiency and reduce production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0007] Figure 1 It is a schematic diagram of the structure of the stamping parts in the assembly;

[0008] Figure 2 It is a schematic diagram of the structure of the injection molded part in the assembly;

[0009] Figure 3 A schematic diagram of the overall structure of the assembly;

[0010] Figure 4 is a cross-sectional view of the assembly;

[0011] Figure 5 This is a structural diagram of a welding jig according to a first embodiment of the present invention;

[0012] Figure 6 Schematic diagram of the structure of the base of the welding jig according to the first embodiment of the present invention (before the assembly is placed);

[0013] Figure 7 Schematic diagram of the structure of the base of the welding jig according to the first embodiment of the present invention (after the assembly is placed);

[0014] Figure 8 2 is a cross-sectional view of a welding jig according to a first embodiment of the present invention;

[0015] Figure 9 for Figure 8 Enlarged view of detail A.

[0016] Description of labels:

[0017] 1. Assembly parts; 11. Welding area; 12. Stamping parts; 13. Injection molded parts;

[0018] 2. Cover plate; 21. First window; 22. Pressing block;

[0019] 3. Base; 31. Second window; 32. Accommodation groove; 33. Support block;

[0020] 4. Retaining mechanism; 41. Slide rail; 42. Slider; 43. Elastic member; 44. Retaining block; 441. Supporting protrusion; 45. Pin;

[0021] 5. Hole slot;

[0022] 61. Guide column; 62. Guide hole;

[0023] 7. Quick release parts;

[0024] 81. First welding portion; 82. Second welding portion. DETAILED DESCRIPTION

[0025] To illustrate the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and accompanying drawings.

[0026] Please refer to Figures 1 to 9 A welding jig is provided for welding an assembly 1, wherein the assembly 1 has welding areas 11 on opposite sides thereof, and comprises a cover plate 2 having a first window 21 and a base 3 having a second window 31, wherein the base 3 is detachably connected to the cover plate 2, wherein the first window 21 and the second window 31 are aligned with different welding areas 11, respectively; a receiving groove 32 for receiving the assembly 1 is provided on a side of the base 3 close to the cover plate 2, and a supporting mechanism 4 for supporting the assembly 1 is provided on at least one side of the receiving groove 32.

[0027] From the above description, it can be seen that the beneficial effects of the present invention are: the locking of the base 3 and the cover 2 and the cooperation of the supporting mechanism 4 enable the assembly 1 to be accurately positioned inside the welding jig. After one clamping, the front and back sides of the assembly 1 can be welded through the first and second windows, which greatly facilitates the operation of employees, helps to improve production efficiency, and reduces the production cost of the assembly 1; the assembled assembly 1 has good consistency; the assembly 1 can be assembled through automated equipment, which helps to further improve production efficiency and reduce production costs.

[0028] Furthermore, the supporting mechanism 4 includes a slide rail 41, a slider 42, an elastic member 43 and a supporting block 44. The slide rail 41 is fixed on the base 3, the slider 42 can be slidably arranged on the slide rail 41, and the supporting block 44 is connected to the slider 42 through the elastic member 43. The supporting block 44 supports the assembly 1.

[0029] As can be seen from the above description, the elastic support of the supporting mechanism 4 against the assembly 1 can prevent the supporting mechanism 4 from damaging the assembly 1, which is beneficial to ensuring the yield rate of the product.

[0030] Furthermore, the length direction of the slide rail 41 is perpendicular to the length direction of the accommodating groove 32 .

[0031] Furthermore, the supporting mechanism 4 also includes a pin 45, the slider 42 is connected to the supporting block 44 through the pin 45, the elastic member 43 is a compression spring, and the compression spring is sleeved on the pin 45, and the supporting block 44 is slidable relative to the slider 42 along the axis of the pin 45.

[0032] It can be seen from the above description that the supporting mechanism 4 has a simple structure and works stably.

[0033] Furthermore, the abutting block 44 is located between the sliding block 42 and the receiving groove 32 .

[0034] Furthermore, the assembly 1 has a hole 5 arranged near the welding area 11 , and a supporting protrusion 441 is provided on a side of the abutting block 44 away from the sliding block 42 , and the supporting protrusion 441 is inserted into the hole 5 .

[0035] It can be seen from the above description that the cooperation between the supporting protrusion 441 and the hole groove 5 can further improve the positioning accuracy of the assembly 1.

[0036] Furthermore, a side wall of the supporting protrusion 441 abuts against an inner wall surface of the hole 5 close to the welding area 11 .

[0037] From the above description, it can be seen that the support protrusion 441 can not only improve the positioning accuracy of the assembly 1, but also can dissipate the heat on the assembly 1, thereby reducing the risk of burns and deformation of the injection molded part 13.

[0038] Furthermore, the supporting mechanisms 4 are respectively provided on both sides of the accommodating groove 32, and the supporting mechanisms 4 located on both sides of the accommodating groove 32 are arranged in pairs to clamp the assembly 1, and the assembly 1 includes an injection molded part 13 and a stamping part 12, and the injection molded part 13 and the stamping part 12 are respectively provided with the hole groove 5, the hole groove 5 on the injection molded part 13 is arranged close to the first window 21, and the hole groove 5 on the stamping part 12 is arranged close to the second window 31; in the two supporting mechanisms 4 arranged in pairs, the support protrusion 441 of one supporting mechanism 4 is inserted into the hole groove 5 on the injection molded part 13, and the support protrusion 441 of the other supporting mechanism 4 is inserted into the hole groove 5 on the stamping part 12.

[0039] Furthermore, the cover plate 2 is provided with a pressing block 22 for pressing the stamping part 12, and the pressing block 22 is arranged close to the first window 21; and / or, the base 3 is provided with a supporting block 33 for supporting the injection molded part 13, and the supporting block 33 is arranged close to the second window 31.

[0040] As can be seen from the above description, the arrangement of the pressing block 22 and / or the supporting block 33 can prevent the stamping part 12 and / or the injection molded part 13 from accidentally deforming, thereby ensuring the welding accuracy of the injection molded part 13 and the stamping part 12 .

[0041] Furthermore, a quick release component 7 is provided on the base 3 and / or the cover 2 , and the base 3 and the cover 2 are connected via the quick release component 7 .

[0042] As can be seen from the above description, the provision of the quick-release member 7 facilitates the user to open and close the welding jig.

[0043] Example 1

[0044] Please refer to Figures 1 to 9 , embodiment 1 of the present invention is: a welding jig, used for welding the assembly 1 in the aforementioned background technology, wherein the assembly 1 has welding areas 11 on opposite sides, the welding jig includes a cover plate 2 with a first window 21 and a base 3 with a second window 31, the base 3 is detachably connected to the cover plate 2, the first window 21 and the second window 31 are respectively aligned with different welding areas 11, and the base 3 is provided with a receiving groove 32 for accommodating the assembly 1 on a side close to the cover plate 2, and a supporting mechanism 4 for supporting the assembly 1 is provided on at least one side of the receiving groove 32.

[0045] In this embodiment, the supporting mechanism 4 includes a slide rail 41, a slider 42, an elastic member 43, and a supporting block 44. The slide rail 41 is fixed to the base 3. The length direction of the slide rail 41 is perpendicular to the length direction of the receiving groove 32. The slider 42 is slidably arranged on the slide rail 41. The supporting block 44 is connected to the slider 42 via the elastic member 43. The supporting block 44 is located between the slider 42 and the receiving groove 32. The supporting block 44 supports the assembly 1. Specifically, the supporting mechanism 4 also includes a pin 45. The slider 42 and the supporting block 44 are connected via the pin 45. The elastic member 43 is a compression spring. The compression spring is sleeved on the pin 45. The supporting block 44 is slidably arranged along the axis of the pin 45 relative to the slider 42. It is easy to understand that the pin 45 can be replaced with a captive screw.

[0046] Furthermore, the assembly 1 has a hole groove 5 arranged near the welding area 11, and the side of the abutting block 44 away from the slider 42 is provided with a support protrusion 441, and the support protrusion 441 is inserted into the hole groove 5. In this embodiment, the hole groove 5 is a through hole. In order to prevent the injection molded part 13 from being deformed by heat, it is preferred that a side wall of the support protrusion 441 abuts against the inner wall surface of the hole groove 5 near the welding area 11. The support protrusion 441 is a heat conductor, and the material of the support protrusion 441 is a heat conductive material, such as iron, copper, etc. In other embodiments, the side surface of the support protrusion 441 abutting against the inner wall surface of the hole groove 5 is coated with heat conductive silicone.

[0047] In this embodiment, the supporting mechanisms 4 are respectively provided on both sides of the accommodating groove 32. The supporting mechanisms 4 located on both sides of the accommodating groove 32 are arranged in pairs to clamp the assembly 1. The assembly 1 includes an injection molded part 13 and a stamping part 12. The injection molded part 13 and the stamping part 12 are respectively provided with the hole grooves 5. The hole grooves 5 on the injection molded part 13 are arranged close to the first window 21, and the hole grooves 5 on the stamping part 12 are arranged close to the second window 31; in the two supporting mechanisms 4 arranged in pairs, the support protrusion 441 of one supporting mechanism 4 is inserted into the hole groove 5 on the injection molded part 13, and the support protrusion 441 of the other supporting mechanism 4 is inserted into the hole groove 5 on the stamping part 12.

[0048] The cover plate 2 is provided with a pressing block 22 for pressing against the stamped part 12, and the pressing block 22 is positioned near the first window 21. Alternatively, the base 3 is provided with a support block 33 for supporting the molded part 13, and the support block 33 is positioned near the second window 31 and located within the receiving groove 32. The support block 33 / pressing block 22 cooperates with the support protrusion 441 to better and more stably limit and support the welding area 11.

[0049] The base 3 and / or the cover 2 are provided with a guide post 61, and the cover 2 and / or the base 3 are provided with a guide hole 62 that cooperates with the guide post 61. Optionally, a guide sleeve is provided in the guide hole 62, which can be used to position the welding jig and the automation equipment.

[0050] In order to facilitate users to quickly disassemble and assemble the welding jig, a quick release part 7 is provided on the base 3 and / or the cover 2, and the base 3 and the cover 2 are connected through the quick release part 7. The quick release part 7 can be an elastic buckle, a flip lock, a rotating lock piece, etc.

[0051] The usage process of this welding jig is briefly described as follows: first open the cover 2, move the slider 42 so that the slider 42 drives the supporting block 44 to move away from the accommodating groove 32, then pre-install the assembly 1 and place it into the accommodating groove 32, then move the slider 42 so that the slider 42 drives the supporting block 44 to move toward the accommodating groove 32, and insert the supporting protrusion 441 into the hole groove 5, and finally cover the cover 2 to achieve one-time clamping and double-sided welding.

[0052] To sum up, the welding jig provided by the present invention can be used to weld the front and back sides of the assembly through the first and second windows after clamping once, which greatly facilitates the operation of employees, helps to improve production efficiency, and reduces the production cost of the assembly; the assembled assemblies have good consistency; the assemblies can be assembled by automated equipment, which is conducive to further improving production efficiency and reducing production costs; the cooperation between the support protrusions and the hole grooves can quickly dissipate heat, prevent the injection molded parts from being deformed by heat, and help ensure product quality.

[0053] The above descriptions are merely embodiments of the present invention and are not intended to limit the patent scope of the present invention. Any equivalent transformations made using the contents of the present invention's description and drawings, or directly or indirectly applied in related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A welding jig for welding an assembly, wherein the assembly has welding zones on opposite sides thereof, characterized in that: The assembly comprises a cover plate having a first window and a base having a second window, the base being detachably connected to the cover plate, the first window and the second window being aligned with different welding areas, respectively, a receiving groove for receiving the assembly being provided on a side of the base close to the cover plate, and a supporting mechanism for supporting the assembly being provided on at least one side of the receiving groove; The abutting mechanism includes a slide rail, a slider, an elastic member, and an abutting block, wherein the slide rail is fixed to the base, the slider is slidably arranged on the slide rail, the abutting block is connected to the slider via the elastic member, and the abutting block abuts the assembly; The abutting block is located between the slider and the accommodating groove; The assembly has a hole groove arranged near the welding area, and the side of the abutting block away from the slider is provided with a supporting protrusion, and the supporting protrusion is inserted into the hole groove; A side wall of the supporting protrusion abuts against an inner wall surface of the hole groove close to the welding area; The abutting mechanisms are respectively provided on both sides of the accommodating groove. The abutting mechanisms located on both sides of the accommodating groove are arranged in pairs to clamp the assembly. The assembly includes an injection-molded part and a stamped part. The injection-molded part and the stamped part are respectively provided with the hole grooves. The hole groove on the injection-molded part is arranged close to the first window, and the hole groove on the stamped part is arranged close to the second window. Of the two abutting mechanisms arranged in pairs, the supporting protrusion of one abutting mechanism is inserted into the hole groove on the injection-molded part, and the supporting protrusion of the other abutting mechanism is inserted into the hole groove on the stamped part. The length direction of the slide rail is perpendicular to the length direction of the accommodating groove.

2. The welding jig according to claim 1, characterized in that: The supporting mechanism further includes a pin, the slider is connected to the supporting block via the pin, the elastic member is a compression spring, the compression spring is sleeved on the pin, and the supporting block is slidably arranged relative to the slider along the axis of the pin.

3. The welding jig according to claim 1, wherein: The cover plate is provided with a pressing block for pressing the stamping part, and the pressing block is arranged close to the first window; and / or the base is provided with a supporting block for supporting the injection molded part, and the supporting block is arranged close to the second window.

4. The welding jig according to claim 1, wherein: The base and / or the cover are provided with a quick release piece, and the base and the cover are connected via the quick release piece.

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