CN219421205U - Furnace-passing protection guiding jig - Google Patents

Abstract

The utility model provides a furnace-passing protection guide jig which comprises a base, a protection assembly arranged on the base, a thimble assembly arranged on the protection assembly and a PCB (printed circuit board) arranged on the base, wherein one end of the protection assembly is propped against the PCB, one end of the thimble assembly is propped against the PCB, the base is provided with a placing groove and a positioning groove, the placing groove is communicated with the positioning groove, and the PCB is arranged in the positioning groove; can stabilize the PCB board through the protection subassembly that sets up and thimble subassembly mutually supporting for the PCB board is stable installs on the base, when this tool was crossed the stove, because the PCB board is fixed by protection subassembly and thimble subassembly, can not appear the component and float high/crooked/not go out bad phenomenon such as foot when going up the tin, does not need the manual repair of secondary, has reduced certain cost.

Description

Furnace-passing protection guiding jig

Technical Field

The utility model relates to the technical field of guiding jigs, in particular to a furnace-passing protection guiding jig.

Background

The original manufacturing process of the PCB is characterized in that the DIP elements are respectively arranged in the DIP element sections, no special jig is used for fixing the DIP elements when the PCB passes through the furnace, so that the phenomena of element floating/deflection/no pin out and the like when the PCB passes through wave soldering and automatic tin feeding are caused, the defects can be repaired by a secondary manual repair, quality hidden hazards (such as defects of pad warping, copper foil scalding and the like) exist, and manpower and material resources are consumed.

Disclosure of Invention

In order to solve the problems, the utility model provides the furnace-passing protection guide jig, the PCB can be stably mounted on the base by mutually matching the arranged protection component and the thimble component, and when the jig passes through the furnace, the PCB is fixed by the protection component and the thimble component, so that adverse phenomena such as component floating height/deflection/no pin falling and the like can not occur during tin feeding, secondary manual repair is not needed, and a certain cost is reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is to provide the furnace-passing protection guide jig, which comprises a base, a protection component arranged on the base, a thimble component arranged on the protection component and a PCB (printed circuit board) arranged on the base, wherein the protection component is positioned above the PCB, one end of the protection component is abutted to the PCB, one end of the thimble component is abutted to the PCB, the base is provided with a placing groove and a positioning groove, the placing groove is communicated with the positioning groove, and the PCB is placed in the positioning groove.

As a preferable scheme, the novel protective device further comprises a left supporting plate and a right supporting plate which are arranged on the base, wherein one end of the left supporting plate and one end of the right supporting plate are both positioned in the placing groove, one end of the protective component is arranged on the left supporting plate, and the other end of the protective component is arranged on the right supporting plate.

As a preferred scheme, the protection component comprises a pressing plate and a clamping block arranged on the pressing plate, one end of the pressing plate is arranged on the left supporting plate, the other end of the pressing plate is arranged on the right supporting plate, and one end of the clamping block is clamped on the PCB.

As a preferable scheme, the clamping block is provided with a clamping groove, one end of the PCB is positioned in the clamping groove, and the opening of the clamping groove is arranged in a V shape.

As a preferable scheme, the clamping blocks are arranged in a plurality of and spaced mode, and the thimble assemblies are arranged in a plurality of and spaced mode.

As a preferred scheme, the clamp plate is equipped with the thimble hole that a plurality of intervals set up, the thimble subassembly includes the spliced pole, overlaps and locates the spring of spliced pole, install in the butt piece of spliced pole one end, the one end of spliced pole passes the thimble hole, the spring is located between the butt piece with the clamp plate.

As a preferable scheme, one end of the top column is provided with a limiting block, and the diameter of the limiting block is larger than that of the top column.

As a preferred scheme, the left support plate is provided with a plurality of left limit posts, the right support plate is provided with a plurality of right limit posts, the pressing plate is provided with a plurality of left limit grooves and a plurality of right limit grooves, the plurality of left limit posts are arranged in a one-to-one matching manner with the plurality of left limit grooves, and the plurality of right limit posts are arranged in a one-to-one matching manner with the plurality of right limit grooves.

As a preferable scheme, the PCB board is provided with a heat sink and a plurality of elements, the clamping groove is clamped on the heat sink, and the abutting block abuts against the elements.

As a preferable scheme, the base is provided with a plurality of tin-plating grooves, and the tin-plating grooves are arranged corresponding to the PCB.

The utility model has the beneficial effects that: can stabilize the PCB board through the protection subassembly that sets up and thimble subassembly mutually supporting for the PCB board is stable installs on the base, when this tool was crossed the stove, because the PCB board is fixed by protection subassembly and thimble subassembly, can not appear the component and float high/crooked/not go out bad phenomenon such as foot when going up the tin, does not need the manual repair of secondary, has reduced certain cost.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the furnace-passing protection guiding jig of the utility model.

Fig. 2 is a schematic structural view of a base in the furnace-passing protection guiding jig of fig. 1.

Fig. 3 is a schematic structural view of a protection component in the furnace-passing protection guiding jig of fig. 1.

Fig. 4 is a schematic view of another angle of the protection component in the furnace-passing protection guiding jig of fig. 3.

Fig. 5 is a schematic structural view of a thimble assembly in the furnace-passing protection guide jig of fig. 1.

Fig. 6 is a schematic structural view of a PCB board in the furnace-passing protection guide jig of fig. 1.

Reference numerals illustrate: 100. a base; 110. a placement groove; 120. a positioning groove; 130. a left support plate; 131. a left limit column; 140. a right support plate; 141. a right limit column; 150. a tin bath is arranged; 200. a protective assembly; 210. a pressing plate; 211. a top pinhole; 212. a left limit groove; 213. a right limit groove; 220. a clamping block; 221. a clamping groove; 300. a thimble assembly; 310. a top column; 311. a limiting block; 320. a spring; 330. an abutment block; 400. a PCB board; 410. a heat sink; 420. a component.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1 to 6, the utility model relates to a furnace-passing protection guiding jig, which comprises a base 100, a protection component 200 mounted on the base 100, a thimble component 300 mounted on the protection component 200 and a PCB 400 placed on the base 100, wherein the protection component 200 is positioned above the PCB 400, one end of the protection component 200 is abutted to the PCB 400, one end of the thimble component 300 is abutted to the PCB 400, the base 100 is provided with a placing groove 110 and a positioning groove 120, the placing groove 110 is communicated with the positioning groove 120, and the PCB 400 is placed in the positioning groove 120; can stabilize PCB 400 through the protection component 200 that sets up and thimble assembly 300 mutually supporting for PCB 400 stable installation is on the base, when this tool was crossed the stove, because PCB 400 was fixed by protection component 200 and thimble assembly 300, then can not appear the component and float high/crooked/bad phenomenon such as pin that does not go out when tin, does not need the secondary manual repair, has reduced certain cost.

The device further comprises a left support plate 130 and a right support plate 140 which are arranged on the base 100, wherein one end of the left support plate 130 and one end of the right support plate 140 are both positioned in the placing groove 110, one end of the protection component 200 is arranged on the left support plate 130, the other end of the protection component 200 is arranged on the right support plate 140, and the left support plate 130 and the right support plate 140 are used for supporting and installing the protection component 200; the base 100 is provided with a plurality of tin-plating grooves 150, the tin-plating grooves 150 are arranged corresponding to the PCB 400, and the tin-plating grooves 150 are arranged to facilitate tin plating of the tin-plating surface of the PCB.

The protection assembly 200 comprises a pressing plate 210 and a clamping block 220 arranged on the pressing plate 210, one end of the pressing plate 210 is arranged on the left supporting plate 130, the other end of the pressing plate 210 is arranged on the right supporting plate 140, and one end of the clamping block 220 is clamped on the PCB 400; the clamping blocks 220 are provided with the clamping grooves 221, one end of the PCB 400 is positioned in the clamping grooves 221, the openings of the clamping grooves 221 are arranged in a V shape, the clamping blocks 220 are arranged in a plurality of and spaced mode, and the clamping grooves 221 are used for clamping the part of the PCB 400, so that the placement of the PCB 400 is more stable; the pressing plate 210 is provided with a plurality of thimble holes 211 which are arranged at intervals, and the arrangement of the thimble holes 211 is convenient for the arrangement of the thimble assembly 300.

The plurality of thimble assemblies 300 are arranged at intervals, and the plurality of thimble assemblies 300 can better stabilize the PCB 400 and improve the stability of the PCB 400; the ejector pin assembly 300 comprises an ejector pin 310, a spring 320 sleeved on the ejector pin 310, and an abutting block 330 arranged at one end of the ejector pin 310, wherein one end of the ejector pin 310 passes through the ejector pin hole 211, and the spring 320 is positioned between the abutting block 330 and the pressing plate 210; one end of the top post 310 is provided with a limiting block 311, and the diameter of the limiting block 311 is larger than that of the top post 310.

In one embodiment, the left support plate 130 has a plurality of left limit posts 131, the right support plate 140 has a plurality of right limit posts 141, the press plate 210 is provided with a plurality of left limit slots 212 and a plurality of right limit slots 213, the plurality of left limit posts 131 are arranged in a one-to-one matching manner with the plurality of left limit slots 212, the plurality of right limit posts 141 are arranged in a one-to-one matching manner with the plurality of right limit slots 213, and when the press plate 210 is mounted on the base 100, the press plate 210 can be mounted on the base 100 more firmly through the matching of the left limit posts 131 and the left limit slots 212 and the matching of the right limit posts 141 and the right limit slots 213.

The PCB 400 is provided with the radiating fin 410 and the elements 420, the clamping grooves 221 are clamped on the radiating fin 410, so that the radiating fin 410 is firmly fixed, the abutting blocks 330 are abutted against the elements 420, the abutting blocks 330 are used for pressing the elements 420 in an abutting mode, the elements 420 are firmly fixed, the PCB 400 is firmly fixed, the phenomena of element floating height, deflection, pin falling and the like cannot occur when tin is plated on the other surface of the PCB, secondary manual repair is not needed, and certain cost is reduced.

The above embodiments are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the design of the present utility model.

Claims (10)

1. The furnace passing protection guiding jig is characterized by comprising a base, a protection assembly arranged on the base, a thimble assembly arranged on the protection assembly and a PCB arranged on the base, wherein the protection assembly is positioned above the PCB, one end of the protection assembly is abutted to the PCB, one end of the thimble assembly is abutted to the PCB, the base is provided with a placing groove and a positioning groove, the placing groove is communicated with the positioning groove, and the PCB is arranged in the positioning groove.

2. The furnace-passing protection guiding jig according to claim 1, wherein: still including install in left backup pad and the right backup pad of base, the one end of left side backup pad with the one end of right side backup pad all is located in the standing groove, protection component's one end install in the left side backup pad, protection component's the other end install in the right side backup pad.

3. The furnace-passing protection guiding jig according to claim 2, wherein: the protection assembly comprises a pressing plate and a clamping block arranged on the pressing plate, one end of the pressing plate is arranged on the left supporting plate, the other end of the pressing plate is arranged on the right supporting plate, and one end of the clamping block is clamped on the PCB.

4. The furnace-passing protection guide jig according to claim 3, wherein: the fixture block is equipped with the draw-in groove, the one end of PCB board is located in the draw-in groove, the opening part of draw-in groove is the V type setting.

5. The furnace-passing protection guide jig according to claim 4, wherein: the clamping blocks are arranged at intervals, and the thimble assemblies are arranged at intervals.

6. The furnace-passing protection guide jig according to claim 5, wherein: the clamp plate is equipped with the thimble hole that a plurality of intervals set up, the thimble subassembly include the spliced pole, overlap locate the spring of spliced pole, install in the butt piece of spliced pole one end, the one end of spliced pole passes the thimble hole, the spring is located between the butt piece with the clamp plate.

7. The furnace-passing protection guide jig according to claim 6, wherein: one end of the top column is provided with a limiting block, and the diameter of the limiting block is larger than that of the top column.

8. The furnace-passing protection guide jig according to claim 6, wherein: the left support plate is provided with a plurality of left limit posts, the right support plate is provided with a plurality of right limit posts, the pressing plate is provided with a plurality of left limit grooves and a plurality of right limit grooves, the plurality of left limit posts are arranged in a one-to-one matching manner with the plurality of left limit grooves, and the plurality of right limit posts are arranged in a one-to-one matching manner with the plurality of right limit grooves.

9. The furnace-passing protection guide jig according to claim 6, wherein: the PCB board is provided with a radiating fin and a plurality of elements, the clamping groove is clamped on the radiating fin, and the abutting block abuts against the elements.

10. The furnace-passing protection guiding jig according to claim 1, wherein: the base is provided with a plurality of tin-plating grooves, and the tin-plating grooves are arranged corresponding to the PCB.