CN205427648U - Can be on microchip accurate device of exerting pressure - Google Patents
Can be on microchip accurate device of exerting pressure Download PDFInfo
- Publication number
- CN205427648U CN205427648U CN201521029661.3U CN201521029661U CN205427648U CN 205427648 U CN205427648 U CN 205427648U CN 201521029661 U CN201521029661 U CN 201521029661U CN 205427648 U CN205427648 U CN 205427648U
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- microchip
- pressure head
- utility
- lowering
- hoisting gear
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Abstract
The utility model discloses a can be on microchip accurate device of exerting pressure, be in including base (2) and connection elevating gear (4) of base (2) last just liftable, its characterized in that still includes: sleeve pipe (6), its the bottom with be connected with between elevating gear (4) spring (8), heavy load piece (10), for the counter weight device, it is connected on the lateral wall of sleeve pipe (6), heavy load piece (10) below fixedly connected with pressure head (12), workstation (14) set up under pressure head (12), microchip installs the upper surface of workstation (14). The utility model discloses under the prerequisite that is fully cushioned when guaranteeing the pressure head contact chip, stability and reliability among the test procedure are guaranteed to atress that can accurate control microchip, have solved the problem that runs into among the prior art.
Description
Technical field
A kind of device that accurately can press on microchip of this utility model.
Background technology
Miniature radio-frequency chip is when test, active force for applying has strict requirements, and conventional techniques cannot accurately control stress, main cause is that the actual loading that conventional die obtains in contact process is together decided on by many factors, the gravity of briquetting, the applying power of motor, and the frictional force of inside all can affect chip actual loading, causes the actual loading of contact process chips accurately to control.And the bad control of uniformity applying active force, the concordance of measurement is the highest.
Utility model content
The purpose of this utility model is to provide the device of the actual loading enabling to control chip.
For solving the problems referred to above, this utility model provides a kind of device that accurately can press on microchip, including pedestal and be connected on described pedestal and liftable lowering or hoisting gear, it is characterised in that also include:
-sleeve pipe, has spring with being connected between described lowering or hoisting gear bottom it；
-weight block, for counter weight device, it is connected on the sidewall of described sleeve pipe, is fixedly connected with pressure head below described weight block；
-workbench, is arranged on the underface of described pressure head, and described microchip is arranged on the upper surface of described workbench.
As further improvement of the utility model, between described pressure head and described weight block, it is also associated with pressure transducer.
As further improvement of the utility model, described lowering or hoisting gear connecting and has a column guide rod being vertically arranged, described casing pipe sleeve is connected on the top of described guide rod, and described spring housing is connected on the bottom of described guide rod.
As further improvement of the utility model, described lowering or hoisting gear is screw mandrel and the motor driving described screw mandrel to move.
The beneficial effects of the utility model are, on the premise of this utility model is fully buffered when ensureing pressure head contact chip, it is possible to accurately control the stress of microchip, it is ensured that stability and reliability in test process, solve the problem run in prior art.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model；
Wherein: 2-pedestal；4-lowering or hoisting gear；6-sleeve pipe；8-spring；10-weight block；12-pressure head；14-workbench；16-pressure transducer；18-guide rod.
Detailed description of the invention
Below detailed description of the invention of the present utility model is described in further detail.
As it is shown in figure 1, this utility model includes pedestal 2 and is connected on described pedestal 2 and liftable lowering or hoisting gear 4, it is characterised in that also include:
-sleeve pipe 6, has spring 8 with being connected between described lowering or hoisting gear 4 bottom it；
-weight block 10, for counter weight device, it is connected on the sidewall of described sleeve pipe 6, is fixedly connected with pressure head 12 below described weight block 10；
-workbench 14, is arranged on the underface of described pressure head 12, and described microchip is arranged on the upper surface of described workbench 14.
As further improvement of the utility model, between described pressure head 12 and described weight block 10, it is also associated with pressure transducer 16.
As further improvement of the utility model, described lowering or hoisting gear 4 connecting the column guide rod 18 having to be vertically arranged, described sleeve pipe 6 is socketed in the top of described guide rod 18, and described spring 8 is socketed in the bottom of described guide rod 18.
As further improvement of the utility model, described lowering or hoisting gear 4 is screw mandrel and the motor driving described screw mandrel to move.
Device is by step motor drive, and step motor drive lowering or hoisting gear 4 moves down drive weight block 10 and pressure head 12 moves down, and the speed of motor determines the speed of service of system.
The gravity of weight block 10 determines the pressure limit that whole device can be provided by, when pressure head 12 just touches microchip, owing to loop bar and guide rod 18 support weight block 10 completely almost without friction, the spring 8 of compression so that on weight block 10 pressure head 12 the least to the active force of microchip.Weight block is driven to press for 10 times when lowering or hoisting gear 4 declines, when pressure head 12 just touches microchip, supporting role due to spring 8, the applying active force of pressure head 12 is the most weak, but motor works on, and lowering or hoisting gear 4 continues to do lower shifting movement, and weight block 10 will not move down, the continuing of lowering or hoisting gear 4 moves down the spring 8 that can make to support weight block 10 and gradually unclamps so that the support force that spring 8 provides gradually weakens, and the gravity of weight block 10 is gradually released on chip.Advanced positions by lowering or hoisting gear 4 can control the support force of spring 8, such that it is able to accurately control the pressure to chip, now the gravity of weight block 10 is fully applied on microchip, is the maximum pressure that can be provided by of device.The pressure transducer 16 being arranged on pressure head 12 can read pressure in real time, can be controlled the pressure applied in real time by PLC program, allows motor stop realizing the accurate control of pressure when reaching and setting pressure.
Above example is only this utility model a kind of embodiment therein, and it describes more concrete and detailed, but therefore can not be interpreted as the restriction to this utility model the scope of the claims.It should be pointed out that, for the person of ordinary skill of the art, without departing from the concept of the premise utility, it is also possible to make some deformation and improvement, these broadly fall into protection domain of the present utility model.Therefore, the protection domain of this utility model patent should be as the criterion with claims.
Claims (4)
1. the device that accurately can press on microchip, including pedestal (2) and be connected to that described pedestal (2) is upper and liftable lowering or hoisting gear (4), it is characterised in that also include:
-sleeve pipe (6), has spring (8) with being connected between described lowering or hoisting gear (4) bottom it；
-weight block (10), for counter weight device, it is connected on the sidewall of described sleeve pipe (6), is fixedly connected with pressure head (12) below described weight block (10)；
-workbench (14), is arranged on the underface of described pressure head (12), and described microchip is arranged on the upper surface of described workbench (14).
A kind of device that accurately can press on microchip the most according to claim 1, it is characterised in that be also associated with pressure transducer (16) between described pressure head (12) and described weight block (10).
A kind of device that accurately can press on microchip the most according to claim 1, it is characterized in that, there is a column guide rod (18) being vertically arranged described lowering or hoisting gear (4) upper connection, described sleeve pipe (6) is socketed in the top of described guide rod (18), and described spring (8) is socketed in the bottom of described guide rod (18).
A kind of device that accurately can press on microchip the most according to claim 3, it is characterised in that described lowering or hoisting gear is screw mandrel and the motor driving described screw mandrel to move.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029661.3U CN205427648U (en) | 2015-12-10 | 2015-12-10 | Can be on microchip accurate device of exerting pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521029661.3U CN205427648U (en) | 2015-12-10 | 2015-12-10 | Can be on microchip accurate device of exerting pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205427648U true CN205427648U (en) | 2016-08-03 |
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ID=56516722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521029661.3U Active CN205427648U (en) | 2015-12-10 | 2015-12-10 | Can be on microchip accurate device of exerting pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205427648U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105468042A (en) * | 2015-12-10 | 2016-04-06 | 苏州世纪福智能装备股份有限公司 | An apparatus able to accurately apply pressures on a miniature chip |
-
2015
- 2015-12-10 CN CN201521029661.3U patent/CN205427648U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105468042A (en) * | 2015-12-10 | 2016-04-06 | 苏州世纪福智能装备股份有限公司 | An apparatus able to accurately apply pressures on a miniature chip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |