CN219919312U - Furnace jig for keyboard circuit board - Google Patents
Furnace jig for keyboard circuit board Download PDFInfo
- Publication number
- CN219919312U CN219919312U CN202320679083.6U CN202320679083U CN219919312U CN 219919312 U CN219919312 U CN 219919312U CN 202320679083 U CN202320679083 U CN 202320679083U CN 219919312 U CN219919312 U CN 219919312U
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- China
- Prior art keywords
- circuit board
- fixed
- jig
- section
- keyboard circuit
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- 238000003825 pressing Methods 0.000 claims abstract description 26
- 238000003860 storage Methods 0.000 claims description 10
- 229910000679 solder Inorganic materials 0.000 claims description 3
- 230000003044 adaptive effect Effects 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000005476 soldering Methods 0.000 abstract description 10
- 230000000712 assembly Effects 0.000 abstract 3
- 238000000429 assembly Methods 0.000 abstract 3
- 238000004519 manufacturing process Methods 0.000 description 9
- 238000003466 welding Methods 0.000 description 6
- 230000004308 accommodation Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
- 230000000246 remedial effect Effects 0.000 description 1
Landscapes
- Electric Connection Of Electric Components To Printed Circuits (AREA)
Abstract
The utility model discloses a keyboard circuit board furnace passing jig which comprises a jig body and a cover plate, wherein a containing groove is formed in the jig body, a containing groove for containing a circuit board is formed in the containing groove, a plurality of pressing assemblies for pressing and fixing the circuit board are arranged in the containing groove on the periphery side of the containing groove, a plurality of supporting columns are further fixed at the top angles of the containing groove, clamping assemblies are fixed on at least two opposite inner walls of the containing groove, the cover plate is supported on the tops of the supporting columns and is fixed on the jig body through the clamping assemblies when the keyboard circuit board furnace passes through, through holes which are matched with components on the circuit board are formed in the cover plate, and a plurality of elastic pressure heads are further fixed on the lower surface of the cover plate. The height of the circuit board is limited, so that the phenomenon of floating height of the components during furnace passing is avoided, the flatness of the circuit board is ensured, and the quality of wave soldering is improved.
Description
Technical Field
The utility model relates to the technical field of keyboard circuit board production, in particular to a furnace passing jig for a keyboard circuit board.
Background
The furnace passing jig is used for supporting the circuit board, protecting the surface-mounted components thereon, bearing higher welding temperature, preventing the circuit board from deforming, pressing and positioning the radiating fin components and the like, realizing continuous production of wave soldering, and having great effect on improving welding quality and production efficiency.
In the traditional furnace jig for the keyboard circuit board, in the process of wave soldering the keyboard circuit board, when the keyboard circuit board is welded in the furnace, the components on the keyboard circuit board often have the adverse phenomena of skew, floating height and the like, so that the quality of wave soldering of the keyboard circuit board is reduced, and the circuit board has higher reject ratio.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide the furnace passing jig for the keyboard circuit board, which can fix the circuit board and main elements therein, avoid floating and ensure flatness.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a keyboard circuit board furnace jig, its key lies in: including the tool body and apron set up the storage tank in the tool body, be formed with the standing groove that is used for placing the circuit board in this storage tank be provided with a plurality of holding down modules that are used for compressing tightly fixed circuit board in the storage tank of standing groove week side the apex angle department of storage tank still is fixed with a plurality of support columns be fixed with the chucking subassembly on two at least relative inner walls of storage tank, during the stove, the apron supports the top of support column is fixed on the tool body through the chucking subassembly set up on the apron with the through-hole that suits of components and parts on the circuit board the lower surface of apron still is fixed with a plurality of elastic pressure heads that are used for compressing tightly components and parts.
Further, the jig body comprises a bottom plate and a frame fixed on the bottom plate, the bottom plate and the frame enclose a containing groove, the containing groove is formed on the bottom plate, the lower ends of the pressing component and the supporting columns are fixedly connected with the bottom plate, and the lower ends of the clamping component are fixedly connected with the frame.
Furthermore, the bottom of standing groove adopts the fretwork setting, and fretwork department suits with the solder joint of circuit board.
Further, the support column comprises a support section and a limit section which are coaxially connected, the lower end of the support section is connected with the jig body, the lower end of the limit section is connected with the upper end of the support section, a support step is formed between the support section and the limit section, and a through hole which is adaptive to the limit section is formed in the cover plate.
Further, the upper end of the limiting section is also connected with a conical guiding section, and the small end of the guiding section is upwards arranged.
Further, the compressing assembly comprises a mounting column fixed on the jig body, a pressing strip is arranged on the mounting column in a penetrating mode, a limiting head is arranged on the mounting column above the pressing strip, a reset spring is further sleeved on the mounting column between the limiting head and the pressing strip, and a lifting handle is fixed on the upper surface of the free end of the pressing strip.
Further, the elastic pressure head comprises a connecting rod fixed on the cover plate, a limiting convex ring is formed at the fixed end of the connecting rod, a restoring spring is sleeved on the connecting rod, a contact head is movably sleeved at the free end of the connecting rod, and two ends of the restoring spring are respectively in butt joint with the limiting convex ring and the contact head.
Further, the cross section of the contact head is T-shaped, the vertical part of the contact head is sleeved on the connecting rod, and the horizontal part of the contact head is contacted with components on the circuit board.
Further, the clamping assembly comprises two supporting blocks fixedly connected with the jig body, a clamp is connected between the two supporting blocks through a rotating shaft, a limiting groove used for clamping and fixing the cover plate is formed between the clamp and the upper end of the supporting blocks, an inclined plane which is arranged inwards is formed at the top of the clamp, and the lower end of the clamp is connected with the inner wall of the accommodating groove through a tension spring.
The utility model has the remarkable effects that:
1. simple structure, it is practical convenient, through the setting of the compression assembly on the tool body, both guaranteed that the keyboard board can be by good fixed, still carry out vertical to the components and parts through the setting of the elastic pressure head on the apron and support the pressure, play the restriction effect to components and parts on the circuit board from highly, avoid components and parts to appear floating high phenomenon when wave soldering (crossing the stove), guaranteed the level and smooth of circuit board, and then improve the quality of wave soldering and reduce the defective rate of circuit board production.
2. The cover plate is fixedly connected with the jig body through the clamping assembly and the supporting column, and the cover plate can be removed before and after welding, so that the production efficiency of wave soldering is improved.
3. The circuit board is fixed in the placing groove through the pressing component, and the circuit board can be conveniently and rapidly clamped and taken out by only lifting the lifting handle and rotating the pressing strip when being taken and placed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic structural view of a compression assembly;
FIG. 3 is a schematic structural view of a support column;
fig. 4 is a schematic structural view of the elastic indenter.
Detailed Description
The following describes the embodiments and working principles of the present utility model in further detail with reference to the drawings.
As shown in fig. 1, a furnace fixture is crossed to keyboard circuit board, including tool body 1 and apron 2 offer accommodation groove 3 in the tool body 1, be formed with in this accommodation groove 3 and be used for placing the standing groove 4 of circuit board be provided with a plurality of hold-down modules 5 that are used for compressing tightly fixed circuit board in the accommodation groove 3 of standing groove 4 week side the apex angle department of accommodation groove 3 still is fixed with a plurality of support columns 6 be fixed with chucking subassembly 7 on the inner wall of the left and right sides of accommodation groove 3 when crossing the stove apron 2 supports the top of support column 6 and fixes on tool body 1 through chucking subassembly 7 offer on the apron 2 with circuit board on components and parts suited through hole 8 the lower surface of apron 2 still is fixed with a plurality of elastic pressure heads 9 that are used for compressing tightly components and parts.
It can also be seen from fig. 1 that the jig 1 includes a bottom plate 11 and a frame 12 fixed on the bottom plate 11, the bottom plate 11 and the frame 12 enclose the accommodating groove 3, the accommodating groove 4 is formed on the bottom plate 11, the lower ends of the pressing component 5 and the supporting column 6 are fixedly connected with the bottom plate 11, and the lower end of the clamping component 7 is fixedly connected with the frame 12. Through the split type structure jig body 1, the manufacturing cost and the processing cost can be effectively reduced.
Preferably, the bottom of the placement groove 4 is hollowed out, and the hollowed-out part is adapted to the welding spot of the circuit board. Through above-mentioned hollow out construction for the solder joint of circuit board exposes, is convenient for inspect the welding condition, in time makes remedial measure or directly abandons, thereby avoids extravagant entering later process, and extravagant manpower and materials.
Referring to fig. 1, the clamping assembly 7 includes two supporting blocks 71 fixedly connected with the jig body 1, a clip 73 is connected between the two supporting blocks 71 through a rotating shaft 72, a limiting groove 74 for clamping and fixing the cover plate 2 is formed between the clip 73 and the upper end of the supporting block 71, an inclined plane which is set inwards is formed at the top of the clip 73, and the lower end of the clip 73 is connected with the inner wall of the accommodating groove 3 through a tension spring (not shown).
When the cover plate 2 is combined with the jig body 1, the cover plate 2 can slide downwards into the limit groove 74 from the inclined surface at the top of the clamp 73, in the process, the top of the clamp 73 rotates outwards, the lower end of the clamp rotates inwards, and the tension spring deforms, so that after the cover plate 2 slides into the limit groove, the tension spring recovers to deform, and the clamp 73 is driven to rotate back to the initial position, so that the cover plate 2 is clamped, limited and fixed; when the cover plate 2 is to be removed, the top of the clip 73 is moved to rotate outwards, and the cover plate 2 can be removed freely without forming a limiting groove 74 between the clip 73 and the supporting block 71 to limit the cover plate 2.
Referring to fig. 2, the compressing assembly 5 includes a mounting post 51 fixed on the jig body 1, a pressing strip 52 is penetrated on the mounting post 51, a limiting head 53 is arranged on the mounting post 51 above the pressing strip 52, a restoring spring 54 is further sleeved on the mounting post 51 between the limiting head 53 and the pressing strip 52, and a handle 55 is fixed on the upper surface of the free end of the pressing strip 52.
Through above-mentioned hold-down assembly 5, can be convenient carry out the circuit board and fix to help improving production efficiency, control enterprise's manufacturing cost.
As shown in fig. 3, the support column 6 includes a support section 61 and a limit section 62 that are coaxially connected, the lower end of the support section 61 is connected with the jig body 1, the lower end of the limit section 62 is connected with the upper end of the support section 61, a support step is formed between the support section 61 and the limit section 62, and the cover plate 2 is provided with a through hole 10 adapted to the limit section 62.
Further, the upper end of the limiting section 62 is further connected with a tapered guiding section 63, the small end of the guiding section 63 is upwards arranged, and the efficiency of combining the cover plate 2 with the jig body 1 can be improved through the arrangement of the guiding section 63.
Referring to fig. 4, the elastic pressing head 9 includes a connecting rod 91 fixed on the cover plate 2, a limiting convex ring 92 is formed at a fixed end of the connecting rod 91, a restoring spring 93 is sleeved on the connecting rod 91, a contact head 94 is movably sleeved at a free end of the connecting rod 91, and two ends of the restoring spring 94 are respectively abutted with the limiting convex ring 92 and the contact head 94.
Further, the cross section of the contact 94 is T-shaped, the vertical portion of the contact 94 is sleeved on the connecting rod 91, and the lateral portion of the contact 94 contacts with the components on the circuit board.
According to the furnace passing jig, through the arrangement of the pressing component 5 on the jig body, not only is the keyboard plate well fixed ensured, but also the components are vertically pressed by the arrangement of the elastic pressing head 9 on the cover plate 2, so that the components on the circuit board are limited in height, the phenomenon of floating height of the components during wave soldering (furnace passing) is avoided, the flatness of the circuit board is ensured, the quality of wave soldering is further improved, and the reject ratio of circuit board production is reduced; the cover plate 2 is fixedly connected with the jig body 1 through the clamping assembly 7 and the support column 6, and the cover plate 2 can be removed more quickly before and after welding, so that the production efficiency of wave soldering is improved; the circuit board is fixed in the placing groove 4 through the pressing component 5, and the circuit board can be conveniently and rapidly clamped and taken out only by lifting the lifting handle 55 and rotating the pressing strip 52 when being taken and placed.
The technical scheme provided by the utility model is described in detail. The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.
Claims (9)
1. The utility model provides a keyboard circuit board crosses stove tool which characterized in that: including the tool body and apron set up the storage tank in the tool body, be formed with the standing groove that is used for placing the circuit board in this storage tank be provided with a plurality of holding down modules that are used for compressing tightly fixed circuit board in the storage tank of standing groove week side the apex angle department of storage tank still is fixed with a plurality of support columns be fixed with the chucking subassembly on two at least relative inner walls of storage tank, during the stove, the apron supports the top of support column is fixed on the tool body through the chucking subassembly set up on the apron with the through-hole that suits of components and parts on the circuit board the lower surface of apron still is fixed with a plurality of elastic pressure heads that are used for compressing tightly components and parts.
2. The keyboard circuit board furnace jig of claim 1, wherein: the jig comprises a bottom plate and a frame fixed on the bottom plate, wherein the bottom plate and the frame enclose a containing groove, the containing groove is formed on the bottom plate, the lower ends of the pressing component and the supporting column are fixedly connected with the bottom plate, and the lower end of the clamping component is fixedly connected with the frame.
3. The keyboard circuit board furnace jig of claim 2, wherein: the bottom of standing groove adopts the fretwork setting, and fretwork department suits with the solder joint of circuit board.
4. The keyboard circuit board furnace jig of claim 1, wherein: the support column comprises a support section and a limit section which are coaxially connected, the lower end of the support section is connected with the jig body, the lower end of the limit section is connected with the upper end of the support section, a support step is formed between the support section and the limit section, and a through hole which is adaptive to the limit section is formed in the cover plate.
5. The keyboard circuit board furnace jig of claim 4, wherein: the upper end of the limiting section is also connected with a conical guide section, and the small end of the guide section is upwards arranged.
6. The keyboard circuit board furnace jig of claim 1, wherein: the pressing assembly comprises a mounting column fixed on the jig body, a pressing strip is arranged on the mounting column in a penetrating mode, a limiting head is arranged on the mounting column above the pressing strip, a reset spring is further sleeved on the mounting column between the limiting head and the pressing strip, and a lifting handle is fixed on the upper surface of the free end of the pressing strip.
7. The keyboard circuit board furnace jig of claim 1, wherein: the elastic pressure head comprises a connecting rod fixed on the cover plate, a limiting convex ring is formed at the fixed end of the connecting rod, a restoring spring is sleeved on the connecting rod, a contact head is movably sleeved at the free end of the connecting rod, and two ends of the restoring spring are respectively abutted to the limiting convex ring and the contact head.
8. The keyboard circuit board furnace jig of claim 7, wherein: the cross section of the contact head is T-shaped, the vertical part of the contact head is sleeved on the connecting rod, and the transverse part of the contact head is contacted with components on the circuit board.
9. The keyboard circuit board furnace jig of claim 1, wherein: the clamping assembly comprises two supporting blocks fixedly connected with the jig body, a clamp is connected between the two supporting blocks through a rotating shaft, a limiting groove used for clamping and fixing the cover plate is formed between the clamp and the upper end of the supporting blocks, an inclined plane which is arranged inwards is formed at the top of the clamp, and the lower end of the clamp is connected with the inner wall of the accommodating groove through a tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679083.6U CN219919312U (en) | 2023-03-31 | 2023-03-31 | Furnace jig for keyboard circuit board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320679083.6U CN219919312U (en) | 2023-03-31 | 2023-03-31 | Furnace jig for keyboard circuit board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219919312U true CN219919312U (en) | 2023-10-27 |
Family
ID=88464513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320679083.6U Active CN219919312U (en) | 2023-03-31 | 2023-03-31 | Furnace jig for keyboard circuit board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219919312U (en) |
-
2023
- 2023-03-31 CN CN202320679083.6U patent/CN219919312U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |