CN114689911A

CN114689911A - Vacuum adsorption probe module and crimping tool

Info

Publication number: CN114689911A
Application number: CN202210326523.XA
Authority: CN
Inventors: 肖儒良
Original assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd
Current assignee: Wuhan Jingce Electronic Group Co Ltd; Wuhan Jingli Electronic Technology Co Ltd
Priority date: 2022-03-30
Filing date: 2022-03-30
Publication date: 2022-07-01
Anticipated expiration: 2042-03-30
Also published as: CN114689911B

Abstract

The invention discloses a vacuum adsorption probe module and a crimping jig, and belongs to the field of display panel testing. The vacuum adsorption probe module comprises a mold core fixing seat, a mold core and a floating plate. The mold core fixing seat is provided with a suction hole, the mold core fixing seat is provided with a groove, and the inner peripheral wall of the groove is provided with an inner flange. The mold core is inserted in the mold core fixing seat, and the top of the probe of the mold core extends into the groove. The peripheral wall of the floating plate is provided with an outer flange, the outer flange is positioned below the inner flange and is in sliding fit with the inner peripheral wall of the groove, the top surface of the outer flange and the bottom surface of the inner flange are sealing surfaces which are parallel to each other, the floating plate and the die core fixing seat are connected through the elastic piece, the bottom surface of the floating plate and the groove form a cavity, the floating plate is provided with a through hole which is right opposite to the probe, and the cavity is communicated with the through hole and one end of the suction hole respectively. The vacuum adsorption probe module provided by the invention can realize automatic prepressing of the connector, and avoids additional operation steps, thereby improving the testing efficiency.

Description

Vacuum adsorption probe module and crimping tool

Technical Field

The invention belongs to the field of display panel testing, and particularly relates to a vacuum adsorption probe module and a crimping jig.

Background

Display panel detects trade before lighting the test, need place display panel connector on the probe module, and during the apron lock, the apron can compress tightly display panel connector and probe module, reaches the purpose that switches on.

At present, in a crimping manner, especially for a situation where a display panel connector faces downward, when a cover plate is buckled and crimped, the display panel connector may be warped upward due to warping of a flat cable, and may be in an unstable swaying state, which may affect a yield of crimping.

The above problem is currently solved by prepressing, and the buckling and opening of the prepressing mode needs manual work or an additional mechanism to be completed, resulting in an additional operation step, thereby reducing the testing efficiency.

Disclosure of Invention

Aiming at the defects or the improvement requirements of the prior art, the invention provides a vacuum adsorption probe module and a crimping jig, aiming at realizing automatic prepressing of a connector and avoiding additional operation steps, thereby improving the test efficiency.

In a first aspect, the invention provides a vacuum adsorption probe module, which comprises a mold core fixing seat, a mold core and a floating plate, wherein the mold core fixing seat is arranged on the mold core fixing seat;

the die core fixing seat is provided with a suction hole, a groove is formed in the die core fixing seat, and the inner peripheral wall of the groove is provided with an inner flange;

the mold core is inserted into the mold core fixing seat, and the top of the probe of the mold core extends into the groove;

the outer peripheral wall of the floating plate is provided with an outer flange, the outer flange is located below the inner flange and is in sliding fit with the inner peripheral wall of the groove, the top surface of the outer flange and the bottom surface of the inner flange are sealing surfaces which are parallel to each other, the floating plate is connected with the die core fixing seat through an elastic piece, a cavity is formed between the bottom surface of the floating plate and the groove, the floating plate is provided with a through hole which is opposite to the probe, and the cavity is communicated with the through hole and one end of the suction hole respectively.

Optionally, the floating plate has a plurality of vacuum holes, the plurality of vacuum holes are arranged at intervals along the circumferential direction of the through hole, and the plurality of vacuum holes are all communicated with the chamber.

Optionally, the number of the through holes is 1-2, and the number of the vacuum holes is 8-20.

Optionally, the top surface of the outer flange and the bottom surface of the inner flange are both provided with sealing rings.

Optionally, the mold core fixing seat includes a first plate and a second plate, the first plate is in an annular structure, the inner flange is located on the inner peripheral wall of the first plate, the first plate is parallelly stacked on the second plate to form the groove, and the floating plate is connected with the second plate through the elastic member.

Optionally, the first plate body has a plurality of mounting holes, and a connecting bolt is inserted into each mounting hole to connect the second plate body.

Optionally, a connection joint is inserted into the outer edge of the second plate body, and the connection joint is communicated with the other end of the suction hole.

Optionally, the core holder is provided with a jack, the core is inserted into the jack, a sealing plate is detachably inserted into the bottom of the jack, and the bottom of the probe extends out of the sealing plate.

Optionally, a boss is arranged on the mold core fixing seat and located at the bottom of the groove, a guide groove is formed in the bottom surface of the floating plate, and the outer peripheral wall of the boss is in sliding fit with the inner peripheral wall of the guide groove.

In a second aspect, the present invention provides a pressing jig, which includes the vacuum adsorption probe module set according to the first aspect.

The technical scheme provided by the embodiment of the invention has the following beneficial effects:

for the vacuum adsorption probe module provided by the embodiment of the invention, when the connector of the display panel is pressed and conducted, firstly, the connector of the display panel is placed on the floating plate (the connector is opposite to and covers the through hole). Because the elastic piece has elasticity, can upwards abut the outer flange of floating plate on the inner flange of mold core fixing base. At this time, the sealing surface of the outer flange and the sealing surface of the inner flange are tightly attached, thereby sealing the chamber. Meanwhile, the other end of the suction hole is vacuumized through the vacuumizing equipment, the cavity and the through hole can be vacuumized in sequence, the adsorption prepressing of the connector is automatically realized, the connector warping is avoided, and the problem that the connector cannot warp and upwards warps when the connector is pressed subsequently is guaranteed. Then, overcome the elasticity of elastic component and drive connector and floating plate through apron or ambient pressure and push down to realize switching on of connector and probe, can realize the point screen to display panel through providing the signal of telecommunication to the probe. And, when the floating plate pushed down, the outward flange of floating plate can separate with the inward flange of mold core fixing base, and two sealed face separation, the cavity relieved sealed (cavity and external atmosphere intercommunication) this moment, avoided continuously producing the negative pressure in the cavity to avoid negative pressure change (the cavity volume reduces in-process) to produce the effort and influence to switch on to the probe.

That is to say, the vacuum adsorption probe module provided by the invention can realize automatic prepressing of the connector, and avoids additional operation steps, thereby improving the testing efficiency.

Drawings

Fig. 1 is a schematic structural diagram of a vacuum adsorption probe module according to an embodiment of the present invention;

FIG. 2 is a top view of a vacuum chuck probe module according to an embodiment of the present invention;

fig. 3 is a sectional view taken along line a-a of fig. 2.

The symbols in the figures represent the following:

1. a mold core fixing seat; 11. a suction hole; 12. a groove; 121. an inner flange; 13. a first plate body; 131. mounting holes; 14. a second plate body; 141. connecting a joint; 15. a jack; 16. closing the plate; 17. a boss; 18. a notch; 2. a mold core; 21. a probe; 3. a floating plate; 31. an outer flange; 311. a sealing surface; 32. a through hole; 33. a vacuum hole; 34. a guide groove; 35. positioning a groove; 4. an elastic member; 5. a chamber; 6. and (5) sealing rings.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. In addition, the technical features involved in the respective embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Fig. 1 is a schematic structural diagram of a vacuum chuck probe module according to an embodiment of the present invention, and fig. 2 is a top view of the vacuum chuck probe module according to the embodiment of the present invention, which is shown in fig. 1 and 2, and the vacuum chuck probe module includes a core holder 1, a core 2, and a floating plate 3.

Fig. 3 is a sectional view taken along line a-a of fig. 2, and as shown in fig. 3, the core holder 1 has a suction hole 11 therein, the core holder 1 has a groove 12 therein, and an inner peripheral wall of the groove 12 has an inner flange 121.

The mold core 2 is inserted into the mold core fixing seat 1, and the top of the probe 21 of the mold core 2 extends into the groove 12.

The peripheral wall of floating plate 3 has outward flange 31, and outward flange 31 is located the below of inner flange 121, and with the internal perisporium sliding fit of recess 12, and the top surface of outward flange 31 and the bottom surface of inner flange 121 are the sealed face 311 that is parallel to each other, and floating plate 3 and mold core fixing base 1 are connected through elastic component 4, and form cavity 5 between floating plate 3's bottom surface and the recess 12, have the through-hole 32 that just right with probe 21 on floating plate 3, and cavity 5 communicates with the one end of through-hole 32 and suction hole 11 respectively.

For the vacuum absorption probe module provided by the embodiment of the invention, when the connector of the display panel is pressed and connected, firstly, the connector of the display panel is placed on the floating plate 3 (the connector is opposite to and covers the through hole 32). The elastic member 4 has elasticity, and thus the outer flange 31 of the floating plate 3 is pressed upward against the inner flange 121 of the core holder 1. At this time, the sealing surface 311 of the outer flange 31 and the sealing surface 311 of the inner flange 121 are in close contact with each other, thereby sealing the chamber 5. Meanwhile, the other end of the suction hole 11 is vacuumized through the vacuumizing equipment, the cavity 5 and the through hole 32 can be vacuumized in sequence, adsorption prepressing of the connector is automatically achieved, connector tilting is avoided, and the problem that the connector cannot warp and upwards tilts when the connector is subsequently buckled and pressed is solved. Then, the connector and the floating plate 3 are driven to be pressed down by overcoming the elastic force of the elastic member 4 through the cover plate or the external pressure, so that the connector and the probe 21 are conducted, and the point screen of the display panel can be realized by providing an electric signal to the probe 21. And, when floating plate 3 pushed down, outer flange 31 of floating plate 3 can separate with inner flange 121 of mold core fixing base 1, two sealed faces 311 separate, and cavity 5 relieved sealed (cavity 5 and external atmosphere intercommunication) this moment avoids continuously producing the negative pressure in cavity 5 to avoid negative pressure change (the in-process that cavity 5 volume reduces) to produce the effort and influence to switch on probe 21.

That is to say, the vacuum adsorption probe module provided by the invention can realize automatic prepressing of the connector, and avoids additional operation steps, thereby improving the test efficiency.

It should be noted that there are a plurality of probes 21 in the core 2, and the plurality of probes 21 are arranged in parallel at intervals. The probe 21 may be a dome probe.

In this embodiment, this vacuum adsorption probe module still includes the control assembly, and this control assembly includes micro-gap switch, controller and evacuation equipment, and micro-gap switch arranges on a sealed face 311, and micro-gap switch, controller and evacuation equipment electricity in proper order connect.

Illustratively, when the two sealing surfaces 311 are in contact, the micro switch is triggered, and the micro switch sends an instruction to the controller to turn on the vacuum-pumping device, and the vacuum-pumping device is in a vacuum-pumping state; when the two sealing surfaces 311 are separated, the microswitch is not triggered at the moment, the microswitch sends an instruction for closing the vacuumizing equipment to the controller, and the vacuumizing equipment is in a closed state, so that the continuous work of the vacuumizing equipment is avoided, and the production cost is reduced.

In addition, the top surface of floating plate 3 has constant head tank 35, and the top surface of mold core fixing base 1 has breach 18, and constant head tank 35 and breach 18 intercommunication, constant head tank 35 and breach 18 all play the effect of location connector.

Illustratively, the through-hole 32 communicates with a positioning slot 35.

Referring again to fig. 2, the floating plate 3 has a plurality of vacuum holes 33 thereon, the plurality of vacuum holes 33 are arranged at intervals along the circumferential direction of the through-hole 32, and the plurality of vacuum holes 33 are all communicated with the chamber 5.

In the above embodiment, the plurality of vacuum holes 33 can suck the edge of the connector, thereby achieving uniform suction of the connector, keeping the connector horizontal, and preventing the connector from tilting.

Illustratively, the vacuum holes 33 are in communication with a detent 35.

Illustratively, the number of through holes 32 may be 1-2 and the number of vacuum holes 33 may be 8-20, thereby increasing the suction range to the connector.

Preferably, the number of the through holes 32 is 2, each through hole 32 corresponds to one group of the probes 21, and 6 vacuum holes 33 are formed around each through hole 32, and at this time, 3 vacuum holes 33 are formed on both sides of each through hole 32.

Illustratively, the top surface of the outer flange 31 and the bottom surface of the inner flange 121 are both provided with the sealing rings 6, so that the sealing performance of the sealing surface 311 is further ensured by the sealing rings 6, and leakage is avoided.

Illustratively, the seal ring 6 is an O-ring seal.

Referring to fig. 3 again, the mold core fixing base 1 includes a first plate 13 and a second plate 14, the first plate 13 is an annular structure, the inner flange 121 is located on the inner peripheral wall of the first plate 13, the first plate 13 is stacked on the second plate 14 in parallel to form a groove 12, and the floating plate 3 is connected to the second plate 14 through the elastic member 4.

In the above embodiment, by providing the core holder 1 as the first plate body 13 and the second plate body 14, not only maintenance but also arrangement of the elastic member 4 and the floating plate 3 and processing of the groove 12 are facilitated.

In the present embodiment, the elastic members 4 may be springs, the number of the elastic members 4 may be 4, and the 4 elastic members 4 are uniformly spaced along the circumferential direction of the floating plate 3.

Illustratively, the first plate 13 has a plurality of mounting holes 131, and each mounting hole 131 is inserted with a connecting bolt to connect the second plate 14, so that the first plate 13 and the second plate 14 are stably connected by the plurality of connecting bolts.

In addition, first plate body 13 and second plate body 14 are square structure, and 4 right angles departments of first plate body 13 and second plate body 14 all process the fillet, damage other equipment in avoiding the vacuum adsorption probe module installation.

Illustratively, the outer edge of the second plate body 14 is inserted with a connection joint 141, and the connection joint 141 is communicated with the other end of the suction hole 11. Wherein, the connection joint 141 plays a role of connecting a vacuum pumping device, and is convenient for fast conduction.

In addition, the core holder 1 is provided with a jack 15, the core 2 is inserted into the jack 15, the bottom of the jack 15 is detachably inserted with a sealing plate 16, and the bottom of the probe 21 extends out of the sealing plate 16.

In the above embodiment, the closing plate 16 functions to support and protect the core 2, and the insertion hole 15 functions to position the core 2.

Illustratively, the receptacle 15 is located below the recess 12.

In another implementation manner of this embodiment, the core holder 1 has a boss 17, the boss 17 is located at the bottom of the groove 12, the bottom surface of the floating plate 3 has a guide groove 34, and the outer peripheral wall of the boss 17 is in sliding fit with the inner peripheral wall of the guide groove 34.

In the above embodiment, the boss 17 functions to position the floating plate 3. In addition, through the sliding fit of the boss 17 and the guide groove 34 and the sliding fit of the outer flange 31 and the groove 12, the double sliding guide of the floating plate 3 is realized, the lifting of the floating plate 3 can be ensured to be more stable, and the inclination of the floating plate 3 caused by the bending or dislocation of the spring can be effectively avoided.

It should be noted that the boss 17 and the guide groove 34, the outer flange 31 and the recess 12 are in clearance fit, and these clearances are communicated with the chamber 5.

The embodiment of the invention also provides a crimping jig which comprises the vacuum adsorption probe module.

It will be understood by those skilled in the art that the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the invention, and that any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. A vacuum adsorption probe module is characterized by comprising a mold core fixing seat (1), a mold core (2) and a floating plate (3);

the mould core fixing seat (1) is provided with a suction hole (11), the mould core fixing seat (1) is provided with a groove (12), and the inner peripheral wall of the groove (12) is provided with an inner flange (121);

the mold core (2) is inserted into the mold core fixing seat (1), and the top of a probe (21) of the mold core (2) extends into the groove (12);

the outer peripheral wall of the floating plate (3) is provided with an outer flange (31), the outer flange (31) is located below the inner flange (121) and is in sliding fit with the inner peripheral wall of the groove (12), the top surface of the outer flange (31) and the bottom surface of the inner flange (121) are sealing surfaces (311) which are parallel to each other, the floating plate (3) and the die core fixing seat (1) are connected through an elastic piece (4), a cavity (5) is formed between the bottom surface of the floating plate (3) and the groove (12), a through hole (32) which is right opposite to the probe (21) is formed in the floating plate (3), and the cavity (5) is respectively communicated with the through hole (32) and one end of the suction hole (11).

2. The vacuum suction probe module as claimed in claim 1, wherein the floating plate (3) has a plurality of vacuum holes (33), the plurality of vacuum holes (33) are arranged at intervals along a circumferential direction of the through hole (32), and the plurality of vacuum holes (33) are all communicated with the chamber (5).

3. The vacuum suction probe module as claimed in claim 2, wherein the number of the through holes (32) is 1-2, and the number of the vacuum holes (33) is 8-20.

4. A vacuum chuck probe module according to claim 1, wherein the top surface of the outer flange (31) and the bottom surface of the inner flange (121) are provided with sealing rings (6).

5. The vacuum adsorption probe module as claimed in claim 1, wherein the core holder (1) comprises a first plate body (13) and a second plate body (14), the first plate body (13) is of an annular structure, the inner flange (121) is located on an inner peripheral wall of the first plate body (13), the first plate body (13) is stacked on the second plate body (14) in parallel to form the groove (12), and the floating plate (3) and the second plate body (14) are connected through the elastic member (4).

6. A vacuum suction probe module according to claim 5, wherein the first plate (13) has a plurality of mounting holes (131), and each mounting hole (131) has a connecting bolt inserted therein for connecting the second plate (14).

7. A vacuum suction probe module according to claim 5, characterized in that a connection joint (141) is inserted at the outer edge of the second plate body (14), said connection joint (141) being in communication with the other end of the suction hole (11).

8. A vacuum suction probe module according to any of claims 1-7, characterized in that the core holder (1) has a receptacle (15), the core (2) is inserted into the receptacle (15), and a sealing plate (16) is detachably inserted into the bottom of the receptacle (15), and the bottom of the probe (21) extends out of the sealing plate (16).

9. A vacuum suction probe module according to any of claims 1-7, wherein the core holder (1) has a protrusion (17), the protrusion (17) is located at the bottom of the groove (12), the bottom surface of the floating plate (3) has a guiding groove (34), and the outer peripheral wall of the protrusion (17) is slidably engaged with the inner peripheral wall of the guiding groove (34).

10. A press-bonding jig, characterized in that the press-bonding jig comprises a vacuum adsorption probe module according to any one of claims 1 to 9.