CN208399847U - A kind of pressure heads mechanism preventing maloperation in test fixture - Google Patents
A kind of pressure heads mechanism preventing maloperation in test fixture Download PDFInfo
- Publication number
- CN208399847U CN208399847U CN201821053003.1U CN201821053003U CN208399847U CN 208399847 U CN208399847 U CN 208399847U CN 201821053003 U CN201821053003 U CN 201821053003U CN 208399847 U CN208399847 U CN 208399847U
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- box body
- lower platen
- pressure head
- test fixture
- plate
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Abstract
The utility model discloses a kind of to prevent the pressure heads mechanism of maloperation in test fixture, it includes box body, guide rail slide block structure and through-hole are provided on the front end-plate of box body, pressure head structure is connected on the sliding block of guide rail slide block structure, vertical articulation has the rotary shaft for having handle on two side plates of box body, cam is connected in rotary shaft between two side plates, lower platen is provided with below cam, lower platen passes through through-hole and pressure head structure is affixed, the upper surface of lower platen is remained with cam to be bonded, the first spring is provided between the upper surface of the bottom plate of the lower end surface and box body of lower platen, iron plate is connected on the lower end surface of lower platen, electromagnet is connected on the bottom plate of box body, the installation site of iron plate and the installation site of electromagnet are corresponding.The utility model structure is simple, easy to use, can not only prevent the damage of liquid crystal display panel liquid crystal display panel caused by the loosening of the crimping module as caused by artificial maloperation under energization detecting state.
Description
Technical field
The utility model relates to a kind of pressure head structure, belong to liquid crystal display panel test fixture technical field, more particularly to a kind of
The pressure heads mechanism of maloperation is prevented in test fixture.
Background technique
With the continuous progress of science and technology, liquid crystal display panel is quickly grown in society of today, be widely used in mobile phone,
The fields such as computer need to carry out a series of performance to its liquid crystal display panel to refer to guarantee the service life of mobile phone, computer screen
Mapping examination.Test method is usually that liquid crystal display panel is installed in test fixture and is completed using connection pressure head conducting liquid crystal display panel
Performance test can determine liquid crystal product qualification after liquid crystal display panel meets various test indexs.It is this to utilize connection pressure
The detection device of head cooperation test fixture is widely used in liquid crystal electron screen area, such as in Chinese invention patent
A kind of liquid crystal panel detection jig is disclosed in CN102402030A comprising liquid crystal display panel positioning mechanism, liquid crystal display panel X-axis are micro-
When electrode alignment mechanism, pressure head vertical movement mechanism, pressure regulating mechanism, pressure head push between regulating mechanism, liquid crystal display panel and FPC
Buffer unit, FPC circuit board, interposer, protective device；Wherein pressure head vertical movement mechanism pedestal by sliding rail fixed plate,
Sliding block fixed plate, linear guide, cam, shaft, handle, guide connecting block, pressing head seat, pressing head seat connecting plate are to, pressure head seat cushion
Block, pressure head, pressing plate and rubber pad are constituted, and can be guaranteed that pressure head moves vertically with FPC circuit board, be made FPC circuit board in liquid
Crystal panel is in contact with it when testing, and test is completed the time-division and opened, and facilitates the pick-and-place of liquid crystal display panel.It can be seen that above-mentioned pressure head and liquid crystal
The conducting of panel realizes that thus there are following technical problems: 1. during the test, due to artificially missing by manual operation
Operation (unintentionally touch handle cause pressure head loosen or no prompt test do not complete under the premise of Manual operation handle unclamp press
Head), when liquid crystal display panel test process does not complete, crimping module is unclamped, to cause the damage of liquid crystal display panel.2. due to pressure head
Stroke be fixed, therefore be directed to the liquid crystal display panel of different model, need the whole pressure head for replacing different trips.
Summary of the invention
In view of the above-mentioned drawbacks of the prior art, the technical problem to be solved by the present invention is to provide one kind for surveying
The pressure heads mechanism that maloperation is prevented on examination jig, is not only simple in structure, and can prevent artificial maloperation, improve production effect
Rate and guarantee recall rate.
In order to solve the above technical problems, the utility model is using such a for preventing maloperation in test fixture
Pressure heads mechanism comprising box body, be provided on the front end-plate of the box body guide rail slide block structure arranged vertically be connected to box body
Internal through-hole is connected with pressure head structure on the sliding block of the guide rail slide block structure, vertically cuts with scissors on two side plates of the box body
It is connected to the rotary shaft for having handle, is connected with cam, the lower section of the cam in the rotary shaft between two side plates
It is provided with lower platen, the lower platen passes through the through-hole and the pressure head structure is affixed, the upper surface of the lower platen and institute
It states cam and remains fitting, be provided with the first bullet between the upper surface of the bottom plate of the lower end surface of the lower platen and the box body
Spring is connected with iron plate on the lower end surface of the lower platen, electromagnet, the installation of the iron plate is connected on the bottom plate of the box body
Position is corresponding with the installation site of the electromagnet.
In a kind of preferred embodiment of the utility model, the pressure head structure includes lower installation board, upper holder block, second
Spring and screw is adjusted, the counterbore passed through for adjusting screw is provided on the upper holder block, is arranged on the lower installation board useful
The threaded hole that screw passes through is adjusted in connection；The sliding block and the lower platen of the lower installation board and the guide rail slide block structure are solid
It connects, the upper holder block is connected to the lower installation board upper end by adjusting screw, between the upper holder block and the lower installation board
It is provided with the second spring.
In a kind of preferred embodiment of the utility model, second is provided between the upper holder block and the front end-plate
Guide rail slide block structure.
In a kind of preferred embodiment of the utility model, the upper holder block includes upper mounting plate and pressure head, it is described on
Mounting plate and the sliding block of the second guide rail slide block structure are affixed, and the pressure head, which is opened, to be releasably connected on the upper mounting plate
End.
In a kind of preferred embodiment of the utility model, the second spring and the adjusting screw are coaxially arranged.
In a kind of preferred embodiment of the utility model, it is connected on the outside of the box body for limiting the handle
It is anti-under turn over screw.
In a kind of preferred embodiment of the utility model, it is provided on the downside of the top plate of the box body for limiting
It states the anti-of cam and turns over block.
The beneficial effects of the utility model are: the utility model structure is simple, easy to use, liquid crystal can not only be prevented
The damage of panel liquid crystal display panel caused by the loosening of the crimping module as caused by artificial maloperation under energization detecting state, and
The position of pressure head can be conveniently and efficiently adjusted according to the liquid crystal display panel of different model；The utility model passes through in pressure head structure
Box body in electromagnet of the setting with the affixed iron plate of lower platen and with iron plate cooperation, and guarantee pressure head on-off synchronous with electromagnetism point
Electricity, to ensure that the position of lower platen remains unchanged pressure head structure when being powered, the FPC on pressure head and liquid crystal display panel locate always
In on state, disconnection or loosening because of FPC and liquid crystal surface on pressure head caused by artificial touching handle are avoided；Further
, the utility model adjusts the height and position of upper holder block by adjusting screw by the way that pressure head structure is designed as split type structure
So that the present invention can be suitable for the test of Multiple Type liquid crystal display panel；Further, the present invention by upper holder block with
Second guide rail slide block structure is set between front end-plate, facilitates the installation and movement of upper holder block；Further, the utility model will
Upper holder block is designed as the split type structure of upper mounting plate and pressure head, enables pressure heads mechanism of the invention according to different model
Liquid crystal display panel rapidly replaces different types of pressure head, improves versatility；Further, the present invention passes through the peripheral hardware in box body
It sets and prevents turning over block and turn over screw under preventing, improve the stability when present invention uses, prevent pressure head from damaging liquid more than down stroke
Crystal panel.
Detailed description of the invention
Fig. 1 is that a kind of back side axis of pressure heads mechanism that maloperation is prevented in test fixture of the utility model embodiment is surveyed
View；
Fig. 2 is that a kind of front axis of pressure heads mechanism that maloperation is prevented in test fixture of the utility model embodiment is surveyed
View；
Fig. 3 is a kind of main view for the pressure heads mechanism that maloperation is prevented in test fixture of the utility model embodiment；
Fig. 4 is a kind of rearview for the pressure heads mechanism that maloperation is prevented in test fixture of the utility model embodiment；
In figure: 1- box body；2- guide rail slide block structure；3- through-hole；4- pressure head structure；5- rotary shaft；6- cam；7- is pushed
Plate；The first spring of 8-；9- handle；10- iron plate；11- electromagnet；12- the second guide rail slide block structure；Screw is turned under 13- is anti-；14-
It is anti-to turn over block；1.1- front end-plate；1.2- side plate；1.3- bottom plate；1.4- top plate；4.1- lower installation board；4.2- upper holder block；4.3- the
Two springs；4.4- adjusts screw；4.2-1- upper mounting plate；4.2-2- pressure head.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
A kind of pressure heads mechanism that maloperation is prevented in test fixture shown in Figure of description comprising box
Body 1, box body 1 are rectangular-shape, be bolted by front end-plate 1.1, side plate 1.2, bottom plate 1.3, top plate 1.4 and end plate and
At；The through-hole for being provided with the guide rail slide block structure 2 being arranged in a vertical direction on the front end-plate 1.1 of box body 1 and being connected to inside box body 1
3, guide rail slide block structure 2 includes the sliding block of the guide rail and sliding connection of two parallel arrangements on guide rail, guide rail slide block knot
Pressure head structure 4 is connected on the sliding block of structure 2, vertical articulation has the rotation for having handle 9 on two side plates 1.2 of box body 1
Axis 5, handle 9 are installed on the end of rotary shaft 5 and are located at the outside of box body 1, and the rotation of handle 9 can drive rotary shaft 5 around certainly
Body axis rotation, be connected in the rotary shaft 5 between two side plates 1.2 can synchronous rotation cam 6, cam 6
Lower section is provided with lower platen 7, and lower platen 7 is horizontally disposed, and lower platen 7 is vertical with pressure head structure 4 affixed across through-hole 3, lower platen 7
Upper surface remain and be bonded with cam 6, be provided between the upper surface of the bottom plate 1.3 of the lower end surface and box body 1 of lower platen 7
First spring 8, in order to guarantee that lower platen 7 is not loosened in liquid crystal display panel continuity test, the present invention is solid on the lower end surface of lower platen 7
It is connected to iron plate 10, electromagnet 11, the installation site of iron plate 10 and the installation position of electromagnet 11 are connected on the bottom plate 1.3 of box body 1
It sets corresponding.
In order to improve versatility of the invention, aforementioned pressure head structure 4 may include lower installation board 4.1, upper holder block 4.2,
Two springs 4.3 and screw 4.4 is adjusted, the counterbore passed through for adjusting screw 4.4 is provided on upper holder block 4.2, lower installation board 4.1 is
U-shaped structure is provided on lower installation board 4.1 for connecting the threaded hole for adjusting screw 4.4 and passing through；Lower installation board 4.1 and guide rail
The sliding block and lower platen 7 of slide block structure 2 are affixed, and upper holder block 4.2 is connected to 4.1 upper end of lower installation board by adjusting screw 4.4, on
Second spring 4.3 is provided between briquetting 4.2 and lower installation board 4.1, second spring 4.3 there can be multiple, multiple second springs
4.3 arranged in parallel are used to support upper holder block 4.2 between upper holder block 4.2 and lower installation board 4.1.
In order to facilitate the smooth sliding of upper holder block 4.2, it is sliding that the second guide rail is provided between upper holder block 4.2 and front end-plate 1.1
Block structure 12, the second guide rail slide block structure 12 include the cunning of the guide rail and sliding connection of two parallel arrangements on guide rail
Block.
Further, in order to facilitate the replacement of pressure head 4.2-2, upper holder block 4.2 includes upper mounting plate 4.2-1 and pressure head 4.2-
2, upper mounting plate 4.2-1 and the sliding block of the second guide rail slide block structure 12 are affixed, and pressure head 4.2-2, which is opened, is releasably connected to upper mounting plate
4.2-1 upper end.Second spring 4.3 and adjusting screw 4.4 are coaxially arranged.The outside of box body 1 is connected with for limiting the anti-of handle 9
Under turn over screw 13.The downside of the top plate 1.4 of box body 1, which is provided with, turns over block 14 for the anti-of limit cam 6.
When using the present invention, when handle 9 is depressed, handle 9 drives rotary shaft 5 to rotate, while the cam in rotary shaft 5
5 synchronous rotary of rotary shaft is also followed in 6 (the flat key connections synchronous with rotary shaft 5 of cam 6)；Because of the upper surface of cam 6 and lower platen 7
It remains fitting and lower platen 7 is jacked up by the support of the first spring 8, while lower platen 7 and pressure head structure 4 are affixed, when convex
When the pressure that wheel 6 brings lower platen 7 is greater than the spring force of the first spring 8, lower platen 7 moves down simultaneously under the effect of cam 6
Drive 4 opposite rail slide block structure of pressure head structure, 2 slide downward；When handle 9 be pressed onto it is anti-under turn over screw 13 when, on pressure head 4.2-2
FPC contact liquid crystal display panel connector, guarantee that liquid crystal display panel is synchronous with electromagnet 11 at this time and be powered, the magnetic force of electric magnetisation generation
Iron plate 10 is tightly sucked, conducting device constant conduction has the function that the structure of rebounding for preventing maloperation at this time.When needing to adjust
When the height and position of pressure head 4.2-2, it is only necessary to which knob adjusts screw 4.4.
It should be understood that the above is only the specific embodiments of the utility model, but the protection scope of the utility model
It is not limited thereto, anyone skilled in the art can be thought easily in the technical scope disclosed by the utility model
The change or replacement arrived, should be covered within the scope of the utility model.
Claims (7)
1. a kind of pressure heads mechanism for preventing maloperation in test fixture, including box body (1), the front end-plate of the box body (1)
(1.1) the guide rail slide block structure (2) the arranged vertically through-hole (3) internal with box body (1) is connected to, the guide rail slide block are provided on
It is connected on the sliding block of structure (2) pressure head structure (4), vertical articulation has a band on two side plates (1.2) of the box body (1)
There is the rotary shaft (5) of handle (9), is located in the rotary shaft (5) between two side plates (1.2) and is connected with cam (6), the cam
(6) it is provided with below lower platen (7), the lower platen (7) passes through the through-hole (3) and the pressure head structure (4) is affixed, institute
The upper surface for stating lower platen (7) is remained with the cam (6) to be bonded, the lower end surface of the lower platen (7) and the box body
(1) the first spring (8) are provided between the upper surface of bottom plate (1.3), it is characterised in that: the lower end surface of the lower platen (7)
On be connected with iron plate (10), be connected with electromagnet (11) on the bottom plate (1.3) of the box body (1), the installation of the iron plate (10)
Position is corresponding with the installation site of the electromagnet (11).
2. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 1, it is characterised in that: described
Pressure head structure (4) include lower installation board (4.1), upper holder block (4.2), second spring (4.3) and adjust screw (4.4), it is described on
It is provided with the counterbore passed through for adjusting screw (4.4) on briquetting (4.2), is provided on the lower installation board (4.1) for connecting
Adjust the threaded hole that screw (4.4) pass through；The sliding block of the lower installation board (4.1) and the guide rail slide block structure (2) and described
Lower platen (7) is affixed, and the upper holder block (4.2) is connected to the lower installation board (4.1) upper end, institute by adjusting screw (4.4)
It states and is provided with the second spring (4.3) between upper holder block (4.2) and the lower installation board (4.1).
3. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 2, it is characterised in that: described
The second guide rail slide block structure (12) is provided between upper holder block (4.2) and the front end-plate (1.1).
4. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 3, it is characterised in that: described
Upper holder block (4.2) includes upper mounting plate (4.2-1) and pressure head (4.2-2), the upper mounting plate (4.2-1) and second guide rail
The sliding block of slide block structure (12) is affixed, and the pressure head (4.2-2), which is opened, is releasably connected to the upper end the upper mounting plate (4.2-1).
5. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 2, it is characterised in that: described
Second spring (4.3) and the adjusting screw (4.4) are coaxially arranged.
6. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 1, it is characterised in that: described
Be connected on the outside of box body (1) for limit the handle (9) it is anti-under turn over screw (13).
7. a kind of pressure heads mechanism for preventing maloperation in test fixture according to claim 1, it is characterised in that: described
It is provided on the downside of the top plate (1.4) of box body (1) and turns over block (14) for limiting the anti-of the cam (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821053003.1U CN208399847U (en) | 2018-07-04 | 2018-07-04 | A kind of pressure heads mechanism preventing maloperation in test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821053003.1U CN208399847U (en) | 2018-07-04 | 2018-07-04 | A kind of pressure heads mechanism preventing maloperation in test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208399847U true CN208399847U (en) | 2019-01-18 |
Family
ID=65131075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821053003.1U Active CN208399847U (en) | 2018-07-04 | 2018-07-04 | A kind of pressure heads mechanism preventing maloperation in test fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208399847U (en) |
-
2018
- 2018-07-04 CN CN201821053003.1U patent/CN208399847U/en active Active
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