CN211678594U - IC ceramic double-row base dispensing clamp - Google Patents
IC ceramic double-row base dispensing clamp Download PDFInfo
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- CN211678594U CN211678594U CN201922316590.XU CN201922316590U CN211678594U CN 211678594 U CN211678594 U CN 211678594U CN 201922316590 U CN201922316590 U CN 201922316590U CN 211678594 U CN211678594 U CN 211678594U
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- positioning
- ceramic double
- row base
- ceramic
- base
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Abstract
The utility model relates to a ceramic biserial base of IC point anchor clamps, including bottom plate and positioning fixture, be equipped with the location slide on the bottom plate, positioning fixture slides and sets up in the slide of location, is equipped with the location portion that a plurality of arranged side by side on the positioning fixture, is equipped with at least one location sink that is used for placing ceramic biserial base in every location portion, is equipped with the holding recess that is used for the lead frame of holding ceramic biserial base between two adjacent location portions. The utility model has the advantages of reasonable design, it is separable to design into with positioning fixture and bottom, reaches and gets in a flexible way and puts anchor clamps to realize that the whole edition of product is got and is put, be applicable to existing equipment and technological condition more.
Description
The technical field is as follows:
the utility model belongs to the electronic packaging field especially relates to a fixture is glued to IC pottery biserial base point.
Background art:
the semiconductor industry has been using bonding pastes to bond chips to lead frames and other substrates for decades. Typically, the adhesive is applied using a syringe or smaller needle hole by pressing.
In the prior art, one method is to perform coating by a manual method, and the other method is to perform automatic dispensing by a dispensing device. The problem of low production efficiency exists when the coating is carried out in a manual mode; when the glue dispensing equipment is used for automatic glue dispensing, the clamp is fixed on the glue dispensing equipment, so that the glue dispensing equipment cannot be detached in production, the flexibility is low, the position degree of the clamp needs to be recalibrated after different models of products are replaced and the clamp is replaced, and the use is not convenient enough.
The utility model has the following contents:
an object of the utility model is to above weak point, provide an anchor clamps are glued to IC pottery biserial base point, structural design is reasonable, can get in a flexible way and put anchor clamps, convenient to use.
In order to realize the purpose, the utility model discloses a technical scheme is: the utility model provides a ceramic biserial base of IC point anchor clamps, includes bottom plate and positioning fixture, be equipped with the location slide on the bottom plate, positioning fixture slides and sets up in the slide of location, is equipped with the location portion that a plurality of arranged side by side on the positioning fixture, is equipped with at least one location cove that is used for placing ceramic biserial base in every location portion, is equipped with the holding recess that is used for the lead frame of holding ceramic biserial base between two adjacent location portions.
Furthermore, positioning fixture includes two lateral support portion that control parallel arrangement, and a plurality of location portion arranges between two lateral support portions along transversely equidistant.
Furthermore, the positioning part and the accommodating groove are both long strips.
Further, the number of the positioning recesses is two, and the two positioning recesses are arranged in a left-right symmetrical mode.
Further, the top surface and the side surface of the positioning recess are in rounded transition.
Furthermore, two guide limiting blocks which are oppositely arranged on the left and the right are fixedly connected to the bottom plate through fasteners, a positioning slide way which is in sliding fit with the positioning fixture is formed between the two guide limiting blocks, and the two guide limiting blocks are respectively abutted against the left side surface and the right side surface of the positioning fixture so as to limit the left end and the right end of the positioning fixture; and the rear ends of one side surfaces of the two guide limiting blocks are respectively provided with a limiting lug, and the limiting lugs are abutted with the rear end surfaces of the positioning fixtures so as to limit the rear ends of the positioning fixtures.
Furthermore, the front ends of the two guide limiting blocks are provided with chamfers which are beneficial for pushing the positioning clamp into the slideway.
Further, the positioning clamp is made of stainless steel materials.
Further, the bottom plate is fixed to an R-axis steering table through screws, and the R-axis steering table is fixed to a working table surface of the dispenser.
Compared with the prior art, the utility model discloses following effect has: the utility model has the advantages of reasonable design, it is separable to design into with positioning fixture and bottom, reaches and gets in a flexible way and puts anchor clamps to realize that the whole edition of product is got and is put, be applicable to existing equipment and technological condition more.
Description of the drawings:
FIG. 1 is a schematic three-dimensional structure of the embodiment of the present invention;
FIG. 2 is a schematic top view of an embodiment of the present invention in use;
FIG. 3 is a side cross-sectional view of FIG. 2;
fig. 4 is a schematic perspective view of a positioning fixture in an embodiment of the present invention;
fig. 5 is a schematic perspective view of a bottom plate in an embodiment of the present invention.
In the figure:
1-a bottom plate; 2-positioning the clamp; 3-positioning the slideway; 4-ceramic double-row base; 5-a positioning pocket; 6-accommodating the groove; 7-a lateral support; 8-a guide limiting block; 9-a limit bump; 10-chamfering; 11-R axis steer stage; 12-a lead frame; 13-a positioning section; 14-chip.
The specific implementation mode is as follows:
the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-5, the utility model relates to a ceramic double-row base of IC point anchor clamps, including bottom plate 1 and positioning fixture 2, be equipped with location slide 3 on the bottom plate 1, positioning fixture 2 slides and sets up in location slide 3, is equipped with the location portion 13 that a plurality of arranged side by side on positioning fixture 2, is equipped with two location pockets 5 that are used for placing ceramic double-row base 4 on every location portion 13, is equipped with the holding recess 6 that is used for the lead frame 12 of holding ceramic double-row base between two adjacent location portions 13. When in use, the ceramic double-row base 4 is arranged in the positioning recess 5 and is in clearance fit with the positioning recess, the sealing welding surface of the ceramic double-row base 4 attached with the low-melting glass faces upwards, the lead frame 12 of the ceramic double-row base extends into the accommodating groove 13, and the side surface of the accommodating groove 13 is in clearance fit with the lead frame 12 to form a positioning relation; and then the positioning clamp 5 is placed in the positioning slideway 3 to form a positioning relation. Because the positioning fixture is arranged in the positioning slide way in a sliding manner, the positioning fixture is conveniently separated from the bottom plate, and the positioning fixture can be flexibly taken and placed, so that the whole product can be taken and placed, and the positioning fixture is more suitable for the existing equipment and process conditions.
In this embodiment, the positioning fixture 2 includes two transverse supporting portions 7 arranged in parallel in the left and right directions, the transverse supporting portions 7 are in a long strip shape, the plurality of positioning portions 13 are arranged between the two transverse supporting portions 7 at equal intervals in the transverse direction, and an area between two adjacent positioning portions 13 is the accommodating groove 6.
In this embodiment, the positioning portion 13 and the accommodating groove 6 are both long strips and both extend along the longitudinal direction.
In the present embodiment, two positioning recesses 5 are arranged in bilateral symmetry. Because the positioning part 13 has a plurality of, there are two positioning recesses 5 on every positioning part 13, consequently be formed with a plurality of positioning recesses that are matrix distribution on the positioning fixture 2, select for use the positioning recess of corresponding quantity according to the line number difference of product during the in-service use.
In this embodiment, the top surface and the side surface of the positioning recess 5 are in rounded transition, so as to avoid scratching the lead frame.
In the embodiment, two guide limiting blocks 8 which are oppositely arranged left and right are fixedly connected to the bottom plate 1 through fasteners, a positioning slide way 3 which is in sliding fit with the positioning fixture 2 is formed between the two guide limiting blocks 8, and the two guide limiting blocks 8 are respectively abutted against the left side surface and the right side surface of the positioning fixture 2 so as to limit the left end and the right end of the positioning fixture 2; the rear ends of one side faces of the two guide limiting blocks 8 are respectively provided with a limiting lug 9, and the limiting lugs 9 are abutted with the rear end faces of the positioning fixtures 2 so as to limit the rear ends of the positioning fixtures 2.
In this embodiment, the front end of two direction stoppers 8 is equipped with the chamfer 10 that is in order to do benefit to positioning fixture 2 and push the slide to do benefit to more smooth and easy pushing into positioning fixture.
In this embodiment, the positioning jig 2 is made of a stainless steel material.
In this embodiment, the bottom plate 1 is fixed to an R-axis steering table 11 by screws, and the R-axis steering table 11 is fixed to a table top of a dispenser.
In this embodiment, in particular, in use: (1) the ceramic double-row base 4 is placed in the positioning recess 5 and is in clearance fit with the positioning recess 5, the sealing welding surface of the ceramic double-row base 2 attached with low-melting glass is upward, the lead frame 12 of the ceramic double-row base 2 extends into the accommodating groove 13, and the side surface of the accommodating groove 13 is in clearance fit with the lead frame 12 to form a positioning relation; (2) the method comprises the steps of placing a positioning clamp 2 with a ceramic double-row base 2 assembled on a bottom plate 1 (the bottom plate 1 is fixed on an R-axis steering table 11 through screws, and the R-axis steering table 11 is fixed on a working table of a dispensing machine in advance), writing a specific program on the table, setting technological parameters of pneumatic equipment, operating the equipment, starting dispensing operation by the table, taking down the positioning clamp 4 after dispensing is finished, and placing a chip 5 into a dispensing area under a microscope, so that the application of the dispensing clamp is realized.
The above is only the preferred embodiment of the present invention, and all the equivalent changes and modifications made according to the claims of the present invention should be covered by the present invention.
Claims (9)
1. The utility model provides a anchor clamps are glued to ceramic biserial base point which characterized in that: the ceramic double-row base positioning device comprises a base plate and a positioning clamp, wherein a positioning slide way is arranged on the base plate, the positioning clamp is arranged in the positioning slide way in a sliding mode, a plurality of positioning portions arranged side by side are arranged on the positioning clamp, at least one positioning recess used for placing a ceramic double-row base is formed in each positioning portion, and a containing groove used for containing a lead frame of the ceramic double-row base is formed between every two adjacent positioning portions.
2. The IC ceramic double-row base dispensing fixture according to claim 1, wherein: the positioning fixture comprises two transverse supporting parts which are arranged in parallel from left to right, and a plurality of positioning parts are arranged between the two transverse supporting parts at equal intervals along the transverse direction.
3. The IC ceramic double-row base dispensing fixture according to claim 2, wherein: the positioning part and the accommodating groove are both long strips.
4. The IC ceramic double-row base dispensing fixture according to claim 2, wherein: the two positioning recesses are arranged in a left-right symmetrical mode.
5. The IC ceramic double-row base dispensing fixture as claimed in claim 1 or 4, wherein: the top surface of the positioning recess is in rounded transition with the side surface.
6. The IC ceramic double-row base dispensing fixture according to claim 1, wherein: the bottom plate is fixedly connected with two guide limiting blocks which are oppositely arranged on the left and right sides through fasteners, a positioning slideway in sliding fit with the positioning fixture is formed between the two guide limiting blocks, and the two guide limiting blocks are respectively abutted against the left side surface and the right side surface of the positioning fixture so as to limit the left end and the right end of the positioning fixture; and the rear ends of one side surfaces of the two guide limiting blocks are respectively provided with a limiting lug, and the limiting lugs are abutted with the rear end surfaces of the positioning fixtures so as to limit the rear ends of the positioning fixtures.
7. The IC ceramic double-row base dispensing fixture according to claim 6, wherein: the front ends of the two guide limiting blocks are provided with chamfers which are beneficial for pushing the positioning clamp into the slideway.
8. The IC ceramic double-row base dispensing fixture according to claim 1, wherein: the positioning clamp is made of stainless steel materials.
9. The IC ceramic double-row base dispensing fixture according to claim 1, wherein: the bottom plate is fixed on an R-axis steering table through screws, and the R-axis steering table is fixed on a working table surface of the dispenser.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316590.XU CN211678594U (en) | 2019-12-21 | 2019-12-21 | IC ceramic double-row base dispensing clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922316590.XU CN211678594U (en) | 2019-12-21 | 2019-12-21 | IC ceramic double-row base dispensing clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211678594U true CN211678594U (en) | 2020-10-16 |
Family
ID=72793245
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922316590.XU Active CN211678594U (en) | 2019-12-21 | 2019-12-21 | IC ceramic double-row base dispensing clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211678594U (en) |
-
2019
- 2019-12-21 CN CN201922316590.XU patent/CN211678594U/en active Active
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