CN202910453U - Silicon stack high frequency alloy machine - Google Patents
Silicon stack high frequency alloy machine Download PDFInfo
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- CN202910453U CN202910453U CN 201220534970 CN201220534970U CN202910453U CN 202910453 U CN202910453 U CN 202910453U CN 201220534970 CN201220534970 CN 201220534970 CN 201220534970 U CN201220534970 U CN 201220534970U CN 202910453 U CN202910453 U CN 202910453U
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Abstract
The utility model relates to a silicon stack high frequency alloy machine. The silicon stack high frequency alloy machine is characterized by comprising a machine frame, a fixed working table is fixed on a working platform in the middle of a machine frame, a movable working table is arranged right above the fixed working table, a movable working table driving mechanism is used for driving the movable working table to be close or away from the fixed working table, the axis of a high frequency heating coil of a high frequency heater coincides with those of the fixed working table and the movable working table, the high frequency heater is driven by a high frequency heating driving mechanism to lift and descend, and a silicon stack height automatic detecting system comprises a grating ruler and a programmable logic controller. The silicon stack high frequency alloy machine has the advantages that silicon stacks provided with welding pieces are tightly clamped by the fixed working table and the movable working table, the insides and the outsides of the silicon stacks are heated simultaneously heated through the high frequency heater, heating is even, temperature difference is small, and welding effect is good. Height change of the silicon stacks is detected through the silicon stack height automatic detecting system, heating and clamping is controlled by the programmable logic controller, overall height of the silicon stacks is accurately controlled, and sizes of the silicon stacks are enabled to be consistent.
Description
Technical field
The utility model relates to a kind of silicon stitch welding and connects equipment, particularly the folded high frequency alloy machine of a kind of silicon.
Background technology
Through the retrieval pertinent literature, do not find and the same or analogous technical scheme of the utility model content.Diode production enterprise is making silicon when folded, by overlapping silicon chip, and between adjacent silicon chip weld tabs is set, and then is welded into silicon chip, and traditional method adopts electric furnace heating wire heating welding.The shortcoming of this kind method is: temperature is ecto-entad conduction-type heating, and internal-external temperature difference is large, power consumption is high, naked light is arranged, heating cycle is long, and the folded whole height of silicon is difficult to control.
Summary of the invention
The technical problems to be solved in the utility model provides that a kind of heating-up temperature is even, energy consumption is low, the flames of anger, heating cycle are short, and the consistent folded high frequency alloy machine of silicon of the folded height dimension of silicon.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of silicon is folded high frequency alloy machine, and its innovative point is: comprise frame, stationary work-table, movable table, movable table driving mechanism, heating generator, high-frequency heating driving mechanism, the folded highly automated detection system of silicon; Stationary work-table comprises lower graphite block, lower heat insulation, lower resistance magnetosphere and lower shoe, lower shoe is fixed on the workbench of central rack, lower resistance magnetosphere, lower heat insulation and lower graphite block are installed on the lower shoe from bottom to top successively, and lower resistance magnetosphere, lower heat insulation and lower graphite block are cylindrical; Movable table be arranged on stationary work-table directly over, movable table comprises graphite block, upper heat insulation, upper resistance magnetosphere and upper plate, the upper plate lower surface is installed resistance magnetosphere, upper heat insulation, upper graphite block from top to bottom successively, and upper resistance magnetosphere, upper heat insulation and upper graphite block are cylindrical; Movable table also comprises nitrogen protecting cover, and upper heat insulation, upper graphite block are positioned at nitrogen protecting cover; The movable table driving mechanism, the movable table driving mechanism is a clamping cylinder, clamping cylinder is arranged on the frame directly over the movable table vertically downward, the piston rod of clamping cylinder is connected and fixed by the upper plate of joint and movable table, the guide pillar A that vertical direction is set is installed on the upper plate, the guide pin bushing A that is slidingly matched with guide pillar A is set on the frame of clamping cylinder one side; Movable table by clamping cylinder drive near or away from stationary work-table; Heating generator comprises high frequency electric source, high frequency transformer, high frequency heating coil, and the output of high frequency transformer is equipped with the high frequency heating coil that stretches out forward, and the axis of high frequency heating coil and stationary work-table and movable table dead in line; The internal diameter of high frequency heating coil is greater than the nitrogen protecting cover external diameter; The high-frequency heating driving mechanism, comprise vertical drive cylinder, guide pillar B, guide pin bushing B, the bottom of high frequency transformer is equipped with the guide pillar B that four vertical direction arrange, in frame four guide pin bushing B that are slidingly matched with guide pillar B are installed, the below of high frequency transformer is provided with the vertical drive cylinder, the cylinder body of vertical drive cylinder is fixed on the frame by four screw rods, and the piston rod of vertical drive cylinder is connected with the installing plate of high frequency transformer by joint; Silicon is folded highly automated detection system, comprise grating scale, grating scale controller, Programmable Logic Controller, grating scale is installed on the guide pillar A, the signal input part of the signal access grating scale controller of grating scale, access Programmable Logic Controller by the grating scale controller by signal output part, Controlled by Programmable Controller high frequency electric source, clamping cylinder and the action of vertical drive cylinder.
The utility model has the advantage of: utilize the silicon of stationary work-table and movable table clamping band weld tabs folded, by be positioned at the folded outer high frequency heating coil of silicon it is carried out inside and outside simultaneously heating, homogeneous heating has a narrow range of temperature, welding effect is good, and energy-conservation; During heating, utilize nitrogen protecting cover to cover silicon folded, be filled with nitrogen by the nitrogen air inlet/outlet on the stationary work-table, avoid silicon to fold and scolder oxidation in high temperature.Utilize the folded highly automated detection system of the silicon that arranges on the movable table driving mechanism to detect the folded height change of silicon, by Controlled by Programmable Controller stopped heating and clamping, accurately control the folded whole height of silicon, so that the folded consistent size of silicon.
Description of drawings
Fig. 1 is the folded high frequency alloy machine structural representation of the utility model silicon.
Fig. 2 is the utility model stationary work-table structural representation.
Fig. 3 is the utility model movable table structural representation.
Fig. 4 is that the folded high frequency alloy machine of the utility model silicon uses state diagram.
The specific embodiment
As shown in Figure 1, comprise frame 1, stationary work-table 2, movable table 3, movable table driving mechanism, heating generator, high-frequency heating driving mechanism, the folded highly automated detection system of silicon.
Stationary work-table 2 as shown in Figure 2, comprise lower graphite block 21, lower heat insulation 22, lower resistance magnetosphere 23 and lower shoe 24, lower shoe 24 is fixed on the workbench at frame 1 middle part, lower resistance magnetosphere 23, lower heat insulation 22 and lower graphite block 21 are installed on the lower shoe 24 from bottom to top successively, lower resistance magnetosphere 23, lower heat insulation 22 and lower graphite block 21 are cylindrical, and lower resistance magnetosphere 23 is the brass backing plate.
Movable table 3 be arranged on stationary work-table directly over, as shown in Figure 3, movable table comprises graphite block 31, upper heat insulation 32, upper resistance magnetosphere 33 and upper plate 34, upper plate 34 lower surfaces are installed resistance magnetosphere 33, upper heat insulation 32, upper graphite block 31 from top to bottom successively, upper resistance magnetosphere 33, upper heat insulation 32 and upper graphite block 31 are cylindrical, and upper resistance magnetosphere 33 is the brass backing plate.Movable table also comprises nitrogen protecting cover, and upper resistance magnetosphere 33, upper heat insulation 32, upper graphite block 31 are positioned at nitrogen protecting cover 35.Open the nitrogen discharge hole on stationary work-table 2 and the movable table 3.
The movable table driving mechanism, the movable table driving mechanism is a clamping cylinder 41, clamping cylinder 41 is arranged on the frame 1 directly over the movable table vertically downward, the piston rod of clamping cylinder 41 is connected and fixed by the upper plate 34 of joint and movable table, the guide pillar A42 that vertical direction is set is installed on the upper plate 34, the guide pin bushing A43 that is slidingly matched with guide pillar A42 is set on the frame 1 of clamping cylinder 41 1 sides.Movable table by clamping cylinder 41 drive near or away from stationary work-table.
Heating generator comprises high frequency electric source, high frequency transformer 51, high frequency heating coil 52, and the high frequency heating coil 52 that stretches out forward is installed on the high frequency transformer 51, and the axis of high frequency heating coil 52 and stationary work-table and movable table dead in line; The internal diameter of high frequency heating coil 52 is greater than nitrogen protecting cover 35 external diameters.
The high-frequency heating driving mechanism, comprise vertical drive cylinder 61, guide pillar B62, guide pin bushing B63, the bottom of high frequency transformer 51 is equipped with the guide pillar B62 that four vertical direction arrange, in frame four guide pin bushing B63 that are slidingly matched with guide pillar B62 are installed, the below of high frequency transformer 51 is provided with vertical drive cylinder 61, the cylinder body of vertical drive cylinder 61 is fixed on the frame 1 by four screw rods 64, and the piston rod of vertical drive cylinder 61 is connected with high frequency transformer 51 by joint.
Silicon is folded highly automated detection system, comprise grating scale, grating scale controller, Programmable Logic Controller, grating scale is installed on the guide pillar A42, the signal input part of the signal access grating scale controller of grating scale, access Programmable Logic Controller by the grating scale controller by signal output part, Controlled by Programmable Controller high frequency electric source, clamping cylinder and the action of vertical drive cylinder.
Operation principle:
Initial position, the high frequency heating coil upper surface of heating generator are positioned at below the lower graphite block end face of stationary work-table; With silicon chip and weld tabs interval are coaxial be stacked into silicon folded 7 after, place on the lower graphite block, and fold pinner tampon between 7 lower surfaces at lower graphite block and silicon; Drive movable table by clamping cylinder 41 descending, cooperate with stationary work-table to clamp silicon folded 7; As shown in Figure 4; vertical drive cylinder 61 drives on heating generator and the high frequency heating coil 52 thereof and moves; so that high frequency heating coil 52 inboards just be positioned at silicon folded outside; start high frequency transformer; utilize high frequency transformer that the little current conversion of high voltage is low-voltage and high-current; directly silicon folded 7 is heated by high frequency heating coil; weld tabs is under molten condition; silicon chip is welded together; in the time of heating, clamping cylinder keeps impaction state, and silicon is folded to be reduced highly gradually; utilize grating scale to detect the variation of height; this altitude signal is transferred to Programmable Logic Controller, when silicon is folded highly reach set require after, the Controlled by Programmable Controller high frequency electric source cuts out; being full of a large amount of nitrogen in the protective cover cools off fast to silicon is folded; when the folded temperature of silicon was cooled to set value, clamping cylinder lifted, and the vertical drive cylinder is descending simultaneously; so that high frequency heating coil is positioned at the folded below of silicon, so that it is folded to take out silicon by manipulator.
Claims (1)
1. the folded high frequency alloy machine of silicon is characterized in that: comprise frame, stationary work-table, movable table, movable table driving mechanism, heating generator, high-frequency heating driving mechanism, the folded highly automated detection system of silicon;
Stationary work-table comprises lower graphite block, lower heat insulation, lower resistance magnetosphere and lower shoe, lower shoe is fixed on the workbench of central rack, lower resistance magnetosphere, lower heat insulation and lower graphite block are installed on the lower shoe from bottom to top successively, and lower resistance magnetosphere, lower heat insulation and lower graphite block are cylindrical;
Movable table be arranged on stationary work-table directly over, movable table comprises graphite block, upper heat insulation, upper resistance magnetosphere and upper plate, the upper plate lower surface is installed resistance magnetosphere, upper heat insulation, upper graphite block from top to bottom successively, and upper resistance magnetosphere, upper heat insulation and upper graphite block are cylindrical; Movable table also comprises nitrogen protecting cover, and upper heat insulation, upper graphite block are positioned at nitrogen protecting cover;
The movable table driving mechanism, the movable table driving mechanism is a clamping cylinder, clamping cylinder is arranged on the frame directly over the movable table vertically downward, the piston rod of clamping cylinder is connected and fixed by the upper plate of joint and movable table, the guide pillar A that vertical direction is set is installed on the upper plate, the guide pin bushing A that is slidingly matched with guide pillar A is set on the frame of clamping cylinder one side; Movable table by clamping cylinder drive near or away from stationary work-table;
Heating generator comprises high frequency electric source, high frequency transformer, high frequency heating coil, and the output of high frequency transformer is equipped with the high frequency heating coil that stretches out forward, and the axis of high frequency heating coil and stationary work-table and movable table dead in line; The internal diameter of high frequency heating coil is greater than the nitrogen protecting cover external diameter;
The high-frequency heating driving mechanism, comprise vertical drive cylinder, guide pillar B, guide pin bushing B, the bottom of high frequency transformer is equipped with the guide pillar B that four vertical direction arrange, in frame four guide pin bushing B that are slidingly matched with guide pillar B are installed, the below of high frequency transformer is provided with the vertical drive cylinder, the cylinder body of vertical drive cylinder is fixed on the frame by four screw rods, and the piston rod of vertical drive cylinder is connected with the installing plate of high frequency transformer by joint;
Silicon is folded highly automated detection system, comprise grating scale, grating scale controller, Programmable Logic Controller, grating scale is installed on the guide pillar A, the signal input part of the signal access grating scale controller of grating scale, access Programmable Logic Controller by the grating scale controller by signal output part, Controlled by Programmable Controller high frequency electric source, clamping cylinder and the action of vertical drive cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534970 CN202910453U (en) | 2012-10-19 | 2012-10-19 | Silicon stack high frequency alloy machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220534970 CN202910453U (en) | 2012-10-19 | 2012-10-19 | Silicon stack high frequency alloy machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202910453U true CN202910453U (en) | 2013-05-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220534970 Withdrawn - After Issue CN202910453U (en) | 2012-10-19 | 2012-10-19 | Silicon stack high frequency alloy machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202910453U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886597A (en) * | 2012-10-19 | 2013-01-23 | 南通皋鑫电子股份有限公司 | High-frequency alloy machine for silicon laminates |
| CN107486604A (en) * | 2017-06-29 | 2017-12-19 | 无锡市京锡冶金液压机电有限公司 | A kind of high frequency brazing machine |
-
2012
- 2012-10-19 CN CN 201220534970 patent/CN202910453U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102886597A (en) * | 2012-10-19 | 2013-01-23 | 南通皋鑫电子股份有限公司 | High-frequency alloy machine for silicon laminates |
| CN102886597B (en) * | 2012-10-19 | 2014-09-24 | 南通皋鑫电子股份有限公司 | High-frequency alloy machine for silicon laminates |
| CN107486604A (en) * | 2017-06-29 | 2017-12-19 | 无锡市京锡冶金液压机电有限公司 | A kind of high frequency brazing machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130501 Effective date of abandoning: 20140924 |
|
| RGAV | Abandon patent right to avoid regrant |