Soldering lug positioning and placing device

Abstract

The utility model discloses a soldering lug positioning and placing device, which belongs to the technical field of welding and comprises a bottom plate, and a driving and placing component is mounted at the upper end of the bottom plate; the driving and placing assembly comprises a driving assembly and a placing assembly, the driving assembly and the placing assembly are both connected with the bottom plate, and the upper end of the placing assembly is connected with the driving assembly; and two groups of positioning assemblies which are symmetrically arranged left and right are mounted at the inner end of the driving placement assembly. Through the above mode, according to the technology of the utility model, the soldering lug is positioned and limited through the positioning assembly, the position offset of the soldering lug caused when the module is placed on the soldering lug is prevented, only the corresponding positioning plate needs to be replaced for different products in the product research and development stage, the replacement is simple, the cost is low, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of welding, in particular to a solder tab positioning and placing device. Background Art

[0002] At present, in the experimental research and development process of new products, the secondary vacuum reflow soldering process is as follows: first, place the solder tab on the heat dissipation bottom plate, then place the module frame, then place the module, and finally perform vacuum reflow soldering. After soldering, remove the module frame. However, since the surface area of the module after encapsulation is generally larger than that of the solder tab, it is difficult to visually observe the position of the solder tab, and it is easy to cause the position deviation of the solder tab artificially when manually placing the module on the solder tab. At the same time, since the final design of the product has not been determined in the research and development stage, the solutions adopted in mass production (such as investing in electrification equipment, etc.) are not applicable, but an auxiliary tool with strong versatility, simple operation, certain accuracy and economic friendliness is needed.

[0003] Chinese Patent CN219966915U discloses a welding sheet positioning and welding die mechanism, including a workbench and a clamping sheet. An installation plate is fixed above the workbench. A clamping member is arranged inside the installation plate. The outer end of the clamping member is connected with an adjusting rod with a longitudinal section in a "T" shape. The adjusting rod penetrates through the installation plate and is threadedly connected with the installation plate. A support member is fixed at the bottom of the installation plate through a fixing rod. The support member is located below the clamping member. An arc-shaped clamping sheet is arranged in front of the installation plate. The outer end of the clamping sheet is fixed with a connecting member. The connecting member penetrates through the inside of the limiting member. The bottom end of the limiting member is installed at the top end of the telescopic rod. The bottom end of the telescopic rod is fixed at the top end of the moving block. The moving block is threadedly connected with the threaded rod.

[0004] However, this patent cannot clamp multiple welding sheets at the same time to position multiple welding sheets.

[0005] Based on this, the utility model designs a solder tab positioning and placing device to solve the above problems. Summary of the Utility Model

[0006] In view of the above-mentioned drawbacks existing in the prior art, the utility model provides a solder tab positioning and placing device.

[0007] To achieve the above object, the utility model is realized through the following technical solutions:

[0008] A solder tab positioning and placing device includes a bottom plate;

[0009] A driving and placing component is installed at the upper end of the bottom plate;

[0010] The driving and placing component includes a driving component and a placing component. Both the driving component and the placing component are connected to the bottom plate, and the upper end of the placing component is connected to the driving component;

[0011] Two groups of symmetrically arranged positioning components are installed at the inner end of the driving and placing component.

[0012] Furthermore, the driving component includes a sliding rod, a limiting block, a U-shaped plate, a connecting plate and a bracket. A bracket is fixedly connected to the upper end of the bottom plate. The sliding rod is slidably connected to the middle of the upper end of the bracket. A limiting block for preventing the sliding rod from disengaging from the bracket is fixedly connected to the upper end of the sliding rod. The lower end of the sliding rod is fixedly connected to a U-shaped plate, and connecting plates are hinged inside the left and right ends of the U-shaped plate respectively.

[0013] Furthermore, the connecting plate is connected to the placing component.

[0014] Furthermore, the placing component includes a slide rail component, a placing plate, a plug pin and a reinforcing rib. The slide rails of the two slide rail components are fixedly connected to the front and rear sides of the upper end of the bottom plate. The two placing plates are respectively fixedly connected to the sliders at the left and right ends of the slide rail component. A plurality of plug pins and reinforcing ribs are fixedly connected to the inner bottom of the placing plate, and the outer ends of the reinforcing ribs are fixedly connected to the inner wall of the outer end of the placing plate.

[0015] Furthermore, the upper ends of the placing plates are respectively hinged to the lower ends of the left and right connecting plates.

[0016] Furthermore, the plug pin is connected to the positioning component.

[0017] Furthermore, three plug pins are fixedly connected to the inner bottom of the placing plate, and one of the plug pins is fixedly connected to the center of the inner bottom of the placing plate close to the inner end, and the remaining two plug pins are respectively fixedly connected to the front and rear sides of the inner bottom of the placing plate close to the outer end. The connection line of the three plug pins is an isosceles triangle.

[0018] Furthermore, the positioning component includes a positioning plate, a jack and a placing groove. The positioning plate is placed on the inner bottom of the placing plate. A jack for inserting and connecting with the plug pin is opened on the outer side of the upper end of the positioning plate. Placing grooves for placing welding chips are opened at equal intervals at the inner end of the positioning plate.

[0019] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0020] When the present utility model is used, first place the heat dissipation bottom plate at the center of the upper end of the bottom plate, then place the positioning component adapted to the welding chip on the placing component of the driving and placing component, then place the welding chip on the heat dissipation bottom plate, position and limit the welding chip through the positioning component to prevent the position of the welding chip from shifting when the module is placed on the welding chip, then place the module frame, and then place the module. After placing, drive the placing component to move outwards through the driving component, and the placing component drives the positioning component to move outwards and disengage from the welding chip, and then perform vacuum reflow soldering. After soldering, remove the module frame;

[0021] When replacing the positioning plate of the present utility model, pull the positioning plate upward to disengage the jack from the pin, and then place the positioning plate adapted to the solder tab at the inner bottom of the placement plate. The pin is inserted into the jack to limit the positioning plate, completing the replacement. During the product R & D stage, for different products, only the corresponding positioning plate needs to be replaced. The replacement is simple, with low cost and high applicability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0023] Figure 1 is a three-dimensional view of a solder tab positioning and placing device of the present utility model Figure 1 ;

[0024] Figure 2 is a front view of a solder tab positioning and placing device of the present utility model;

[0025] Figure 3 is a three-dimensional view of a solder tab positioning and placing device of the present utility model Figure 2 ;

[0026] Figure 4 is a three-dimensional view of a solder tab positioning and placing device of the present utility model Figure 3 ;

[0027] Figure 5 is a three-dimensional view of the positioning component of a solder tab positioning and placing device of the present utility model;

[0028] Figure 6 is Figure 3 an enlarged view of part A in

[0029] The reference numerals in the figures respectively represent:

[0030] 1, bottom plate; 2, driving placement component; 21, driving component; 211, sliding rod; 212, limiting block; 213, U-shaped plate; 214, connecting plate; 215, bracket; 22, placement component; 221, rail component; 222, placement plate; 223, pin; 224, reinforcing rib; 3, positioning component; 31, positioning plate; 32, jack; 33, placement groove. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0031] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0032] In the following description, the "left", "right", "front", "rear", "upper", and "lower" mentioned are oriented in the perspective direction of the front view.

[0033] Embodiment 1

[0034] In some embodiments, please refer to the instruction manual appendix Figures 1-6 , a solder tab positioning and placement device, including a bottom plate 1;

[0035] A driving and placing component 2 is installed at the upper end of the bottom plate 1;

[0036] The driving and placing component 2 includes a driving component 21 and a placing component 22. Both the driving component 21 and the placing component 22 are connected to the bottom plate 1, and the upper end of the placing component 22 is connected to the driving component 21;

[0037] Two groups of symmetrically arranged positioning components 3 are installed at the inner end of the driving and placing component 2.

[0038] During use, first place the heat dissipation bottom plate at the center of the upper end of the bottom plate 1, then place the positioning component 3 adapted to the solder tab on the placing component 22 of the driving and placing component 2, then place the solder tab on the heat dissipation bottom plate, position and limit the solder tab through the positioning component 3 to prevent the solder tab from shifting when the module is placed on the solder tab, then place the module frame, and then place the module. After placing, drive the placing component 22 to move outward through the driving component 21. The placing component 22 drives the positioning component 3 to move outward and separate from the solder tab, and then perform vacuum reflow soldering. After soldering, remove the module frame;

[0039] The driving component 21 includes a sliding rod 211, a limiting block 212, a U-shaped plate 213, a connecting plate 214, and a bracket 215. A bracket 215 is fixedly connected to the upper end of the bottom plate 1. The sliding rod 211 is slidably connected to the middle of the upper end of the bracket 215. A limiting block 212 for preventing the sliding rod 211 from detaching from the bracket 215 is fixedly connected to the upper end of the sliding rod 211. The lower end of the sliding rod 211 is fixedly connected to a U-shaped plate 213. Connecting plates 214 are hinged inside the left and right ends of the U-shaped plate 213.

[0040] The connecting plate 214 is connected to the placing component 22.

[0041] The placement component 22 includes a slide rail component 221, a placement plate 222, a bolt 223 and a reinforcing rib 224. The slide rails of the two groups of slide rail components 221 are fixedly connected to the front and rear sides of the upper end of the bottom plate 1. The two placement plates 222 are respectively fixedly connected to the sliders at the left and right ends of the slide rail component 221. A plurality of bolts 223 and reinforcing ribs 224 are fixedly connected to the inner bottom of the placement plate 222, and the outer ends of the reinforcing ribs 224 are fixedly connected to the inner wall of the outer end of the placement plate 222.

[0042] The upper ends of the placement plates 222 are respectively hinged to the lower ends of the connecting plates 214 on the left and right sides.

[0043] The bolt 223 is connected to the positioning component 3.

[0044] Preferably, three bolts 223 are fixedly connected to the inner bottom of the placement plate 222, and one of the bolts 223 is fixedly connected to the center of the inner bottom of the placement plate 222 near the inner end, and the remaining two bolts 223 are respectively fixedly connected to the front and rear sides of the inner bottom of the placement plate 222 near the outer end. The connection line of the three bolts 223 is an isosceles triangle, which better fixes the positioning component 3.

[0045] During use, first place the heat dissipation bottom plate at the center of the upper end of the bottom plate 1, and make the heat dissipation bottom plate located between the two groups of slide rail components 221. Then place the positioning component 3 adapted to the solder pads on the placement plate 222. The bolt 223 limits the positioning component 3. Then place the solder pads on the heat dissipation bottom plate. The positioning component 3 positions and limits the solder pads. Then place the module frame, and then place the module. After placing, push the sliding rod 211 downward. The sliding rod 211 drives the limiting block 212 and the U-shaped plate 213 to move downward. The U-shaped plate 213 drives the connecting plate 214 to move downward. The connecting plate 214 drives the placement plate 222 to move outward under the guiding action of the slide rail component 221. The placement plate 222 drives the bolt 223 and the reinforcing rib 224 to move outward. The bolt 223 drives the positioning component 3 to move outward and separate from the solder pads. Then perform vacuum reflow soldering. After soldering, remove the module frame. Before vacuum reflow soldering, withdraw the positioning component 3 from both sides of the solder pads, which will not affect vacuum reflow soldering;

[0046] The positioning component 3 includes a positioning plate 31, a jack 32 and a placement groove 33. The positioning plate 31 is placed at the inner bottom of the placement plate 222. The outer side of the upper end of the positioning plate 31 is provided with a jack 32 inserted with the bolt 223. The inner end of the positioning plate 31 is provided with placement grooves 33 for placing solder pads at equal intervals.

[0047] When limiting, place the positioning plate 31 at the inner bottom of the placement plate 222, and insert the bolt 223 into the jack 32 to limit the positioning plate 31. Then place a plurality of solder pads on the heat dissipation bottom plate through the placement grooves 33. The placement grooves 33 limit the left and right ends of the solder pads to prevent the solder pads from shifting when the module is placed on the solder pads.

[0048] After the module is placed, push the sliding rod 211 downward. The sliding rod 211 drives the limit block 212, U-shaped plate 213, and connecting plate 214 to move downward. The connecting plate 214 drives the placement plate 222, the plug pin 223, and the reinforcing rib 224 to move outward. The plug pin 223 drives the positioning plate 31 to move outward and separate from the solder pad, and then vacuum reflow soldering is performed. Before vacuum reflow soldering, the positioning plate 31 is withdrawn from both sides of the solder pad, which will not affect the vacuum reflow soldering;

[0049] When replacing the positioning plate 31, pull the positioning plate 31 upward to disengage the jack 32 from the plug pin 223, and then place the positioning plate 31 adapted to the solder pad at the inner bottom of the placement plate 222, and the plug pin 223 is inserted into the jack 32 to limit the positioning plate 31, completing the replacement. During the product R & D stage, for different products, only the corresponding positioning plate 31 needs to be replaced, which is simple to replace, low in cost, and high in applicability.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements on some of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A welding piece positioning and placing device, comprising a base plate (1), characterized in that: A driving placement component (2) is installed on the upper end of the base plate (1); The driving and placing component (2) comprises a driving component (21) and a placing component (22), wherein the driving component (21) and the placing component (22) are both connected to the bottom plate (1), and the upper end of the placing component (22) is connected to the driving component (21); Two groups of positioning components (3) symmetrically arranged on the left and right are installed at the inner end of the driving placement component (2).

2. The welding piece positioning and placing device according to claim 1, characterized in that: The driving assembly (21) comprises a sliding rod (211), a limit block (212), a U-shaped plate (213), a connecting plate (214) and a bracket (215); the upper end of the bottom plate (1) is fixedly connected to the bracket (215); the middle of the upper end of the bracket (215) is slidably connected to the sliding rod (211); the upper end of the sliding rod (211) is fixedly connected to the limit block (212) for preventing the sliding rod (211) from detaching from the bracket (215); the lower end of the sliding rod (211) is fixedly connected to the U-shaped plate (213); and the connecting plates (214) are hingedly connected to the left and right ends of the U-shaped plate (213).

3. The welding piece positioning and placing device according to claim 2, characterized in that: The connecting plate (214) is connected to the placement component (22).

4. The welding piece positioning and placing device according to claim 3, characterized in that: The placement assembly (22) comprises a slide rail assembly (221), a placement plate (222), a latch (223) and a reinforcing rib (224); the slide rails of the two sets of slide rail assemblies (221) are fixedly connected to the front and rear sides of the upper end of the bottom plate (1); the two sets of placement plates (222) are respectively fixedly connected to the sliders at the left and right ends of the slide rail assembly (221); the inner bottom of the placement plate (222) is fixedly connected with a plurality of latches (223) and reinforcing ribs (224); the outer ends of the reinforcing ribs (224) are fixedly connected to the inner wall of the outer end of the placement plate (222).

5. The welding piece positioning and placing device according to claim 4, characterized in that: The upper end of the placement plate (222) is hinged to the lower ends of the left and right connecting plates (214) respectively.

6. The welding piece positioning and placing device according to claim 5, characterized in that: The latch pin (223) is connected to the positioning assembly (3).

7. The welding piece positioning and placing device according to claim 6, characterized in that: Three latches (223) are fixedly connected to the inner bottom of the placement plate (222), and one of the latches (223) is fixedly connected to the center of the inner bottom of the placement plate (222) near the inner end, and the remaining two latches (223) are respectively fixedly connected to the front and rear sides of the inner bottom of the placement plate (222) near the outer end, and the connecting line of the three latches (223) forms an isosceles triangle.

8. The welding piece positioning and placing device according to claim 7, characterized in that: The positioning assembly (3) comprises a positioning plate (31), a plug hole (32) and a placement groove (33); the positioning plate (31) is placed at the bottom of the placement plate (222); the outer side of the upper end of the positioning plate (31) is provided with a plug hole (32) for plugging with the plug pin (223); and the inner end of the positioning plate (31) is provided with placement grooves (33) for placing welding pieces at equal intervals.

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