CN207266401U - A kind of tin piece sintering process fixture - Google Patents
A kind of tin piece sintering process fixture Download PDFInfo
- Publication number
- CN207266401U CN207266401U CN201720333291.5U CN201720333291U CN207266401U CN 207266401 U CN207266401 U CN 207266401U CN 201720333291 U CN201720333291 U CN 201720333291U CN 207266401 U CN207266401 U CN 207266401U
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- pressing plate
- sintering process
- knob
- tin piece
- substrate
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Abstract
The utility model discloses a kind of tin piece sintering process fixture, the toothed design of the contact surface of pressing plate can be with the product of suitable for multiple sizes, and the limiting section contact surface increase with substrate can increase product qualification rate, and fixture toothed design can reduce blocking row's agent hole.A kind of tin piece sintering process fixture, including：Pressing plate (1) and substrate (2)；The knob (11) that the lower surface of pressing plate (1) is equipped with pressing plate (1) longitudinal angle is α, wherein 0 °<α<90°；Knob (11) is set along the longitudinal equidistant arrangement of pressing plate (1)；Substrate (2) upper surface is equipped with limiting section (21) and row agent hole (22)；Arrange the upper and lower surface of agent hole (22) through substrate (2)；Limiting section (21) is alternately arranged with row agent hole (22).
Description
Technical field
It the utility model is related to a kind of field of mechanical technique, more particularly to a kind of tin piece sintering process fixture.
Background technology
Sintering is that powder or powder compact are heated to the temperature less than the wherein fusing point of basis, then with certain
Method and speed are cooled to the process of room temperature.It is sintering that the result is that being bonded between powder particle, the intensity of sintered body increases,
The aggregation of powder particle is turned into the agglomerate of crystal grain, so as to obtain required physics, the product or material of mechanical performance.
PCB (Printed Circuit Board), Chinese is printed circuit board, also known as printed wiring board, is the important ministry of electronics industry
Part, has scolding tin step in its manufacturing procedure.Both are required to specific fixture after being made and are cooled down.
Common fixture is double-deck fixture, and tile processed product on substrate, puts pressing plate on the top, to be cooled.
At present, the easy row of blocking agent hole after existing fixture melts because of tin piece, the spacing of pressing plate do not adapt to various sizes of
Processed product, it is difficult to ensure that plate face is smooth.
Utility model content
A kind of tin piece sintering process fixture, the toothed design of the contact surface of pressing plate can be applicable in a variety of rulers in the utility model
Very little product, the limiting section contact surface increase with substrate can increase product qualification rate, and fixture toothed design can reduce blocking row's agent
Hole.
A kind of tin piece sintering process fixture in the utility model, including：
Pressing plate 1 and substrate 2；
The knob 11 that the lower surface of pressing plate 1 is equipped with 1 longitudinal angle of pressing plate is α, wherein 0 °<α<90°；
Knob 11 is set along the longitudinal equidistant arrangement of pressing plate 1；
2 upper surface of substrate is equipped with limiting section 21 and row's agent hole 22；
Arrange the upper and lower surface of 22 through substrate 2 of agent hole；
Limiting section 21 is alternately arranged with row's agent hole 22.
Optionally,
Knob 11 is 30 ° -40 ° with 1 longitudinal angle of pressing plate.
Optionally,
The thickness of knob 11 is 0.5-0.8mm.
Optionally,
The spacing of knob 11 is 3.2-5mm.
Optionally,
The alternate column in limiting section 21 and row's agent hole 22 is symmetricly set on 1 both sides of pressing plate in two separate ranks.
Optionally,
The upper surface of pressing plate 1 is equipped with venthole 12, and venthole 12 penetrates through the upper and lower surface of pressing plate 1.
Optionally,
The shape of venthole 12 is waist-shaped hole.
Optionally,
Venthole 12 is along longitudinal equidistant arrangement in the upper surface of pressing plate 1.
In the utility model, which includes pressing plate 1 and substrate 2, i.e., product is placed on the upper of substrate 2
Surface, then pressing plate 1 is prevented on product, the lower surface of pressing plate 1 is equidistantly equipped with the knob 11 with 1 longitudinal angle of pressing plate for α, its
In 0 °<α<90 °, the skewed setting of knob 11 can ensure to ensure air circulation while pressing plate 1 is pressed with substrate 2, accelerate
The cooling of product, special, knob 11 can select axisymmetricly to design along the longitudinal direction of pressing plate 1, it is ensured that pressing 1 He of rear fender
Substrate 2 is steady, uniform force, it is ensured that the planarization after PCB sintering.The limiting section 21 of 2 upper surface of substrate is used to limit product
Position, prevents product from sliding；Row's agent hole 22 of the upper and lower surface of through substrate 2 is used to discharge the tin piece melted.Limiting section 21 with
Row's agent hole 22 is alternately arranged, and ensures the product of the fixture energy suitable for multiple sizes.
Brief description of the drawings
Fig. 1 is a kind of front view of tin piece sintering process fixture embodiment in the utility model；
Fig. 2 is that a kind of looking up for tin piece sintering process fixture embodiment cuts open figure in the utility model；
Fig. 3 is knob structure diagram in a kind of tin piece sintering process fixture embodiment in the utility model；
Fig. 4 is board structure schematic diagram in a kind of tin piece sintering process fixture embodiment in the utility model；
Fig. 5 is a kind of tin piece sintering process fixture embodiment pressure plate structure schematic diagram in the utility model.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, to the technical solution in the utility model example into it is clear,
It is fully described by, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole implementation
Example.Based on the embodiment in the utility model, those of ordinary skill in the art are obtained without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
A kind of tin piece sintering process fixture embodiment provided by the utility model, including：Pressing plate 1 and substrate 2；Pressing plate 1
The knob 11 that lower surface is equipped with 1 longitudinal angle of pressing plate is α, wherein 0 °<α<90°；Knob 11 is axisymmetricly set along the longitudinal direction of pressing plate 1
Meter；2 upper surface of substrate is equipped with limiting section 21 and row's agent hole 22；Arrange the upper and lower surface of 22 through substrate 2 of agent hole；Limiting section 21 and row
Agent hole 22 is alternately arranged.
In the present embodiment, which includes pressing plate 1 and substrate 2, i.e., product is placed on to the upper table of substrate 2
Face, then pressing plate 1 is prevented on product, the lower surface of pressing plate 1 is equidistantly equipped with the knob 11 with 1 longitudinal angle of pressing plate for α, wherein
0°<α<90 °, the skewed setting of knob 11 can ensure to ensure air circulation while pressing plate 1 is pressed with substrate 2, accelerate production
The cooling of product, particularly, knob 11 can be designed axisymmetricly along the longitudinal direction of pressing plate 1, can ensure to press rear fender 1 and substrate
2 is steady, uniform force, it is ensured that the planarization after PCB sintering.The limiting section 21 of 2 upper surface of substrate is used for the position for limiting product,
Prevent product from sliding；Row's agent hole 22 of the upper and lower surface of through substrate 2 is used to discharge the tin piece melted.Limiting section 21 and row's agent hole
22 are alternately arranged, and ensure the product of the fixture energy suitable for multiple sizes.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, knob 11 with
1 longitudinal angle of pressing plate is 30 ° -40 °.
In the present embodiment, such as Fig. 3, the contact surface of pressing plate and limiting section when knob 11 and 1 longitudinal angle of pressing plate are 30 ° -40 °
Product is optimal, and special, knob 11 is 30 ° with 1 longitudinal angle of pressing plate, and knob 11 is axisymmetricly designed along the longitudinal direction of pressing plate 1, this
When both sides knob 11 be directed toward axis at angle be 60 °, per a pair of knob formed figure be isosceles triangle, the structure is steady
Fixed, indeformable, the toothed design of this sharp-angle type, can take into account the products of sizes, in various products in application, 11 energy of knob
With 21 reliable contacts of limiting section and positioning.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, knob 11
Thickness is 0.5-0.8mm.
In the present embodiment, the thickness of knob 11 is selected in 0.5-0.8mm, can guarantee that suitable air circulation.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, knob 11
Spacing is 3.2-5mm.
In the present embodiment, the spacing of knob 11 is that 3.2-5mm is convenient spacing.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, limiting section 21
1 both sides of pressing plate are symmetricly set in two separate ranks with the alternate column in row's agent hole 22.
It is symmetrical along longitudinal both sides of the upper surface of substrate 2 to ensure that pressing plate 1 and the effective of substrate 2 coordinate in the present embodiment
Limiting section 21 is set and arranges the alternate column in agent hole 22, even product is longer, the limiting section 21 of front end and the knob 11 of pressing plate 1
Pressing product can be matched, the situation of side or crimping will not occur, so as to ensure planarization after PCB sintering, can not also influence to help
The discharge of solder flux.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, pressing plate 1
Upper surface is equipped with venthole 12, and venthole 12 penetrates through the upper and lower surface of pressing plate 1.
In the present embodiment, venthole 12 penetrates through the upper and lower surface of pressing plate 1, has part perforation between the spacing of knob 11, this
Structure contributes to the discharge of scaling powder.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, venthole 12
Shape be waist-shaped hole.
In the present embodiment, waist-shaped hole can increase the circulation of air, accelerate product cooling.
A kind of tin piece sintering process fixture embodiment provided by the utility model is described further below, venthole 12
Along longitudinal equidistant arrangement in the upper surface of pressing plate 1.
In the present embodiment, venthole 12 can guarantee that the stabilization of air circulation along longitudinal equidistant arrangement in the upper surface of pressing plate 1
Property, ensure the smooth of plate body, pressure is uniform.
It is apparent to those skilled in the art that for convenience and simplicity of description, the device of foregoing description
Specific work process, may be referred to the corresponding process in preceding method embodiment, details are not described herein.Provided herein
Several embodiments in, it should be understood that disclosed device can be realized by another way.
Above example is only to illustrate the technical solution of the utility model, rather than its limitations；Although with reference to foregoing reality
Example is applied the utility model is described in detail, it will be understood by those of ordinary skill in the art that：It still can be to preceding
State the technical solution described in each embodiment to modify, or equivalent substitution is carried out to which part technical characteristic；And these
Modification is replaced, and the essence of appropriate technical solution is departed from the spirit and model of various embodiments of the utility model technical solution
Enclose.
Claims (8)
- A kind of 1. tin piece sintering process fixture, it is characterised in that including：Pressing plate (1) and substrate (2)；The knob (11) that the lower surface of the pressing plate (1) is equipped with the pressing plate (1) longitudinal angle is α, wherein 0 °<α<90°；The knob (11) is longitudinally axisymmetricly designed along the pressing plate (1)；Substrate (2) upper surface is equipped with limiting section (21) and row agent hole (22)；Row's agent hole (22) penetrates through the upper and lower surface of the substrate (2)；The limiting section (21) is alternately arranged with row's agent hole (22).
- 2. tin piece sintering process fixture according to claim 1, it is characterised in thatThe knob (11) is 30 ° with the pressing plate (1) longitudinal angle.
- 3. tin piece sintering process fixture according to claim 1, it is characterised in thatThe thickness of the knob (11) is 0.5-0.8mm.
- 4. tin piece sintering process fixture according to claim 1, it is characterised in thatThe spacing of the knob (11) is 3.2mm.
- 5. tin piece sintering process fixture according to claim 1, it is characterised in thatThe alternate column of the limiting section (21) and row agent hole (22) are symmetricly set on the pressing plate (1) both sides in two separate ranks.
- 6. tin piece sintering process fixture according to claim 1, it is characterised in thatThe upper surface of the pressing plate (1) is equipped with venthole (12), and the venthole (12) penetrates through the upper following table of the pressing plate (1) Face.
- 7. tin piece sintering process fixture according to claim 6, it is characterised in thatThe shape of the venthole (12) is waist-shaped hole.
- 8. tin piece sintering process fixture according to claim 6, it is characterised in thatThe venthole (12) is along longitudinal equidistant arrangement in the upper surface of the pressing plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333291.5U CN207266401U (en) | 2017-03-31 | 2017-03-31 | A kind of tin piece sintering process fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720333291.5U CN207266401U (en) | 2017-03-31 | 2017-03-31 | A kind of tin piece sintering process fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266401U true CN207266401U (en) | 2018-04-20 |
Family
ID=61914301
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720333291.5U Active CN207266401U (en) | 2017-03-31 | 2017-03-31 | A kind of tin piece sintering process fixture |
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| Country | Link |
|---|---|
| CN (1) | CN207266401U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164854A (en) * | 2020-08-24 | 2021-01-01 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Multifunctional integrated tool for assembling, positioning and sintering microstrip substrate |
-
2017
- 2017-03-31 CN CN201720333291.5U patent/CN207266401U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112164854A (en) * | 2020-08-24 | 2021-01-01 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Multifunctional integrated tool for assembling, positioning and sintering microstrip substrate |
| CN112164854B (en) * | 2020-08-24 | 2021-07-06 | 扬州船用电子仪器研究所(中国船舶重工集团公司第七二三研究所) | Multifunctional integrated tool for assembling, positioning and sintering microstrip substrate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190801 Address after: 510700 Guangzhou High-tech Industrial Development Zone, Guangdong Province, No. 162 Science Avenue, B2 402 Patentee after: Guangzhou Wave Communication Technology Co., Ltd. Address before: 510670 Guangzhou science and Technology Development Zone, Guangdong 402, science Avenue 162, B2 Patentee before: Guangzhou whole world communication technology Co., Ltd. |
|
| TR01 | Transfer of patent right |