CN113757240B

CN113757240B - Terminal pressure maintaining jig and pressure maintaining method

Info

Publication number: CN113757240B
Application number: CN202111310185.2A
Authority: CN
Inventors: 肖国强; 张新林; 杜军红; 葛振纲
Original assignee: Longcheer Electronics Huizhou Co Ltd
Current assignee: Longcheer Electronics Huizhou Co Ltd
Priority date: 2021-11-08
Filing date: 2021-11-08
Publication date: 2022-01-25
Anticipated expiration: 2041-11-08
Also published as: CN113757240A

Abstract

The invention provides a terminal pressure maintaining jig and a pressure maintaining method, wherein the terminal pressure maintaining jig comprises: clamping device, pressurizer and closing device, the pressurizer with clamping device can dismantle the connection, be used for placing in the pressurizer and treat the pressurize terminal, the closing device elasticity compresses tightly treat on the pressurize terminal, clamping device includes pedestal and centre gripping subassembly, the centre gripping subassembly sets up in the pedestal, the centre gripping subassembly includes first holder and second holder, first holder with the equal pin joint of second holder is in just opening and shutting relatively in the pedestal, at least part first holder and at least part the second holder all extends to the outside of pedestal, and runs through the pressurizer to be used for the difference centre gripping is in treat the bottom of pressurize terminal both sides. The invention is used for solving the technical problem that the touch screen and the shell of the terminal cannot be always in a pressure maintaining state in the assembling process.

Description

Terminal pressure maintaining jig and pressure maintaining method

Technical Field

The invention relates to the technical field of electronic product manufacturing, in particular to a terminal pressure maintaining jig and a pressure maintaining method.

Background

With the continuous development of science and technology, the application range of a touch display screen (also called a touch screen) is wider and wider, and the touch display screen is widely applied to various types of electronic equipment, such as electronic terminal equipment like computers, mobile phones, tablets, smart watches, and the like. In these electronic terminal devices, a Flexible Printed Circuit (FPC) and a Touch Panel (TP) are generally used for assembly.

In the manufacturing of electronic terminal equipment, direct and terminal casing through the mode of gluing equipment behind the touch-sensitive screen lock flexible printed circuit board, need adopt the pressurize tool to carry out the pressurize, ensure to glue the complete solidification, thereby guarantee firm bonding effect, nevertheless in the assembling process, because current pressurize tool can't realize that touch-sensitive screen and casing are in the state of pressurize always, cause the phenomenon that the touch-sensitive screen floats high like this easily, can influence the result of product test of leaking when pushing down once more, cause badly easily.

Therefore, it is necessary to develop a terminal pressure maintaining jig and a pressure maintaining method, so that the touch screen and the housing of the terminal can maintain a pressure state all the time during the assembly process, thereby reducing the defective rate.

Disclosure of Invention

The invention provides a terminal pressure maintaining jig and a pressure maintaining method, which are used for at least solving the technical problem that a touch screen and a shell cannot be always in a pressure maintaining state in an assembling process.

In order to achieve the above object, the present invention provides a terminal pressure maintaining jig, including: clamping device, pressurizer and closing device, the pressurizer with clamping device can dismantle the connection, be used for placing in the pressurizer and treat the pressurize terminal, the closing device elasticity compresses tightly treat on the pressurize terminal, clamping device includes pedestal and centre gripping subassembly, the centre gripping subassembly sets up in the pedestal, the centre gripping subassembly includes first holder and second holder, first holder with the equal pin joint of second holder is in just opening and shutting relatively in the pedestal, at least part first holder and at least part the second holder all extends to the outside of pedestal, and runs through the pressurizer to be used for the difference centre gripping is in treat the bottom of pressurize terminal both sides.

According to the terminal pressure maintaining jig provided by the invention, after the terminal to be subjected to pressure maintaining is assembled, the terminal to be subjected to pressure maintaining can be always pressurized through the pressing device and the clamping device, and then the terminal to be subjected to pressure maintaining is placed in the pressure maintaining device, the pressure maintaining state is uninterrupted, and the defects caused by the fact that the terminal to be subjected to pressure maintaining is not in the state of pressure maintaining all the time are reduced.

In a possible implementation manner, the pressure maintaining device comprises a first template and a second template, the first template and the second template are buckled with each other, and a pressure maintaining cavity for accommodating the terminal to be subjected to pressure maintaining is formed inside the first template and the second template;

the first template and the second template are both provided with a pair of mounting holes, and the first clamping piece and the second clamping piece respectively extend downwards through the pair of mounting holes and are clamped at two sides of the pressure maintaining terminal.

In a possible implementation mode, magnetic bodies are embedded in the first template and the second template, the first template and the second template are attracted to each other through the magnetic bodies, and the first template is attracted to the lower end of the seat body through the magnetic bodies in the first template.

In a possible implementation manner, the clamping assembly further includes a connecting member disposed in the seat body, and a first spring and a second spring disposed on two sides of the connecting member oppositely, the connecting member is located between the first clamping member and the second clamping member, the first spring is abutted between the connecting member and the first clamping member, and the second spring is abutted between the connecting member and the second clamping member.

In a possible implementation manner, the pressing device includes a pressing rod and a third spring, the first template is further provided with a central hole, a lower end of the pressing rod extends into the pressure maintaining cavity through the central hole, an upper end of the pressing rod is provided with a blocking sleeve, and the third spring abuts between the connecting piece and the blocking sleeve.

In a possible implementation manner, the clamping device further includes a driving assembly, the driving assembly includes a movable handle and a pair of stoppers connected to a lower end of the movable handle, an open cavity is formed between the pair of stoppers, the movable handle is movably disposed on the seat body, upper ends of the first clamping member and the second clamping member respectively have an inclined section extending into the open cavity, and the pair of stoppers respectively abut against the inclined section of the first clamping member and the inclined section of the second clamping member.

In one possible embodiment, the lower ends of the first and second clamping members each have a finger extending into the holding pressure chamber.

In a possible implementation manner, the seat body includes an upright frame and a cover plate, the rear side of the upright frame has a rear sealing plate, the cover plate covers the front side of the upright frame, the first clamping piece and the second clamping piece are relatively pivoted on the rear sealing plate, and the connecting piece is fixed on the rear sealing plate.

In a possible implementation manner, a guide plate is further disposed in the seat body, the guide plate is fixed to the lower end of the rear sealing plate, the guide plate is located between the first clamping piece and the second clamping piece, the pressure rod penetrates through the guide plate, and the blocking sleeve abuts against the guide plate.

The invention also provides a terminal pressure maintaining method, and the terminal pressure maintaining jig comprises the following steps:

providing the terminal pressure maintaining jig;

the first template passes through the first clamping piece and the second clamping piece and is connected to the lower end of the seat body in an attracting mode through the magnetic body;

assembling the shell of the terminal, the touch screen and the flexible printed circuit board to form a terminal to be subjected to pressure maintaining;

respectively clamping the first clamping piece and the second clamping piece at two sides of the terminal to be subjected to pressure maintaining, and pressing a pressing rod on the terminal to be subjected to pressure maintaining;

buckling the first template and the second template to enable the terminal to be subjected to pressure maintaining to be positioned in the first template and the second template;

and standing the terminal pressure maintaining jig and the terminal to be subjected to pressure maintaining for preset pressure maintaining time.

The terminal pressure maintaining method provided by the invention is characterized in that after the assembly operation of the terminal to be subjected to pressure maintaining is finished, the first clamping piece and the second clamping piece are respectively clamped at the two sides of the terminal to be subjected to pressure maintaining, pressing the pressure lever on the terminal to be subjected to pressure maintaining to enable the terminal to be subjected to pressure maintaining to be in a compressed state, and then buckling the first template and the second template, the terminal to be subjected to pressure maintaining is arranged in the first template and the second template, so that the terminal to be subjected to pressure maintaining can be ensured to be always kept in a pressure maintaining state, even in the step of installing the terminal to be subjected to pressure maintaining into the pressure maintaining device, the pressure maintaining state of the terminal to be subjected to pressure maintaining can be still ensured, the occurrence of the problems of high floating of the touch screen and the like can be reduced in the uninterrupted pressure maintaining state, and the secondary pressing does not exist, so that the reject ratio can be effectively reduced.

In a possible implementation manner, the first template and the second template are buckled with each other, so that the terminal to be maintained is positioned in the first template and the second template; the method comprises the following steps:

installing the second template at the lower parts of the first clamping piece and the second clamping piece, so that the terminal to be subjected to pressure maintaining is positioned in the second template;

the first template is pushed to be separated from the lower end of the seat body and is buckled on the second template.

In one possible implementation, the preset dwell time is greater than or equal to 24 hours.

The terminal pressure maintaining jig and the pressure maintaining method provided by the invention can effectively ensure that the terminal to be subjected to pressure maintaining is always kept in a pressing state in the moving process or the circulation process of each process, so that the problems of high touch screen floating and the like are reduced, and the reject ratio is reduced.

In addition to the technical problems solved by the embodiments of the present invention, the technical features constituting the technical solutions, and the advantageous effects brought by the technical features of the technical solutions, other technical problems that can be solved by the terminal pressure maintaining jig and the pressure maintaining method provided by the embodiments of the present invention, other technical features included in the technical solutions, and advantageous effects brought by the technical features will be further described in detail in the detailed description.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a terminal pressure maintaining jig according to an embodiment of the present invention;

fig. 2 is a structural diagram of a pressure maintaining state of the terminal pressure maintaining jig according to an embodiment of the present invention;

fig. 3 is a bottom view of the terminal pressure maintaining jig according to the embodiment of the present invention;

fig. 4 is a sectional view of the terminal pressure maintaining jig shown in fig. 3, taken along the line a-a in accordance with an embodiment of the present invention;

fig. 5 is a schematic view of an internal three-dimensional structure of a terminal pressure maintaining jig according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a base body of the terminal pressure maintaining jig according to the embodiment of the present invention;

fig. 7 is a schematic perspective view of the terminal pressure maintaining jig shown in fig. 5 according to an embodiment of the present invention;

fig. 8 is a schematic perspective view of the terminal pressure maintaining jig shown in fig. 5 according to an embodiment of the present invention;

fig. 9 is a front view of a first clamping member of the terminal pressure maintaining jig according to the embodiment of the present invention;

fig. 10 is a schematic perspective view illustrating a second template of the terminal pressure maintaining jig according to the embodiment of the present invention;

fig. 11 is a schematic perspective view illustrating a structure of attaching a first mold plate to a lower end of a base in a terminal pressure maintaining method according to an embodiment of the present invention;

fig. 12 is a schematic perspective view illustrating a three-dimensional structure in which a first clamping member and a second clamping member are respectively clamped at two sides of a terminal to be subjected to pressure maintaining in a terminal pressure maintaining method according to an embodiment of the present invention;

fig. 13 is a schematic perspective view illustrating a structure in which a second template is mounted at lower portions of a first clamping member and a second clamping member in the terminal pressure maintaining method according to the embodiment of the present invention;

fig. 14 is a schematic perspective view illustrating a structure in which the clamping device is removed from the pressure holding device after the pressure holding in the terminal pressure holding method according to the embodiment of the present invention is completed;

FIG. 15 is a flow chart of a method for maintaining pressure at a terminal according to an embodiment of the present invention;

fig. 16 is a flowchart of step S50 in the terminal pressure maintaining method according to the embodiment of the present invention.

Description of reference numerals:

10-a clamping device;

11-a seat body;

111-upright frame;

1111-beam;

1112-side beam;

1113-rear closing plate;

113-a front cover plate;

114-a guide plate;

1141-a pilot hole;

115-opening;

12-a clamping assembly;

121-a first clamp;

1211-first paragraph;

1212-a second section;

1213-inclined section;

1214-hook jaw;

1215-a pin shaft bore;

122-a second clamp;

123-connecting piece;

1231-upper baffle;

1232-vertical baffles;

1233-lower baffle;

124-a first spring;

125-a second spring;

126-a pin shaft;

14-a drive assembly;

141-a movable handle;

142-a stopper;

143-open cavity;

144-fixed block;

15-a handle;

20-a pressure maintaining device;

21-a first template;

212-mounting holes;

213-a central bore;

22-a second template;

23-a pressure maintaining cavity;

24-a magnetic body;

30-a terminal to be pressure-maintained;

40-a pressing device;

41-a pressure bar;

411-a retaining sleeve;

42-third spring.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Generally, after a touch screen of a terminal, a flexible printed circuit board and a shell of the terminal are assembled, the touch screen cannot be in a pressure maintaining state all the time, the touch screen is easy to warp, sealing is poor due to secondary pressing, the water leakage test reject ratio is high in the subsequent test procedures, the reject ratio of the terminal water leakage test is 1.0%, and improvement is urgently needed.

In view of the above background, the terminal pressure maintaining jig and the pressure maintaining method provided by the present invention can always pressurize the terminal to be maintained through the pressing device and the clamping device after the terminal to be maintained is assembled, and when the terminal to be maintained is placed inside the pressure maintaining device, the pressure maintaining state is uninterrupted, thereby reducing the defects caused by the terminal not being in the state of maintaining pressure all the time. After improvement, the reject ratio of the terminal water leakage test is less than 0.001%.

The terminal in the terminal pressure maintaining jig provided by the invention can be a mobile terminal, such as a mobile phone, a tablet, an intelligent wearable device, a movable medical device and the like.

The terminal pressure maintaining jig and the pressure maintaining method provided by the embodiment of the invention are described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, the present invention provides a terminal pressure maintaining jig, including: clamping device 10, pressurizer 20 and closing device 40, pressurizer 20 can be dismantled with clamping device 10 and be connected, be used for placing in pressurizer 20 and wait to pressurize terminal 30, closing device 40 elasticity compresses tightly on waiting to pressurize terminal 30, clamping device 10 includes pedestal 11 and clamping component 12, clamping component 12 sets up in pedestal 11, clamping component 12 includes first holder 121 and second holder 122, first holder 121 and second holder 122 all pin joint in pedestal 11 and open and shut relatively, refer to fig. 3 and fig. 4 and show, at least part first holder 121 and at least part second holder 122 all extend to the outside of pedestal 11, and run through pressurizer 20, in order to be used for the bottom of centre gripping respectively in waiting to pressurize terminal 30 both sides.

The terminal pressure maintaining jig provided by the invention is provided with the clamping device 10, the pressure maintaining device 20 is detachably connected with the clamping device 10, when the pressure maintaining device 20 is connected to the lower end of the clamping device 10, the pressure maintaining device 20 is internally used for placing the terminal 30 to be maintained, the terminal 30 to be maintained is clamped at the bottom of two sides of the terminal 30 to be maintained through the first clamping piece 121 and the second clamping piece 122, and the pressing device 40 is elastically pressed on the terminal 30 to be maintained. According to the terminal pressure maintaining jig provided by the embodiment of the invention, in the production process, the terminal 30 to be subjected to pressure maintaining, which is placed in the pressure maintaining device 20, is always in a pressure maintaining state and can be circulated as a whole, and good pressure maintaining effect can be still ensured even when the terminal is circulated among different stations; in addition, after the terminal 30 to be pressure-maintained is assembled, the terminal 30 to be pressure-maintained can be always pressurized by the pressing device 40 and the clamping device 10, and when the terminal 30 to be pressure-maintained is placed inside the pressure-maintaining device 20, the pressure-maintaining state is uninterrupted, so that the defects caused by the fact that the terminal is not in the state of maintaining pressure all the time are reduced.

The pressurizer 20 is detachably connected with the clamping device 10, so that the pressurizer 20 is conveniently connected to the lower end of the clamping device 10 or the pressurizer 20 is conveniently separated from the lower end of the clamping device 10, and the use is very convenient.

It is easy to understand that, because at least part of the first clamping pieces 121 and at least part of the second clamping pieces 122 all penetrate through the pressure maintaining device 20 and are used for being respectively clamped at the bottoms of the two sides of the terminal 30 to be maintained, an upward supporting force is provided for the terminal 30 to be maintained, and then the pressing device 40 is matched to elastically press the upper surface of the terminal 30 to be maintained, the terminal 30 to be maintained can be effectively pressed, and the pressure maintaining effect is improved.

In a possible embodiment, as shown in fig. 1 and 3, the pressure maintaining device 20 comprises a first template 21 and a second template 22, the first template 21 and the second template 22 are mutually buckled, and a pressure maintaining cavity 23 for accommodating the terminal 30 to be maintained is formed inside the first template 21 and the second template 22.

In a possible implementation manner, the pressure maintaining cavity 23 is adapted to the shape of the terminal 30 to be subjected to pressure maintaining, and may be formed by opening a first half cavity inside the first mold plate 21, opening a second half cavity corresponding to the first half cavity in position inside the second mold plate 22, and fastening the first half cavity and the second half cavity by the first mold plate 21 and the second mold plate 22, so that the first half cavity and the second half cavity are spliced to form the pressure maintaining cavity 23.

In one possible embodiment, the first template 21 and the second template 22 are not limited to being cubic, but may be cylindrical, and the like, and are not particularly limited herein.

Referring to fig. 2 and 4, a pair of mounting holes 212 are formed in each of the first template 21 and the second template 22, and the first clamping member 121 and the second clamping member 122 extend downward through the pair of mounting holes 212 and are clamped at two sides of the terminal 30 to be held. The pair of mounting holes 212 are respectively located at two sides of the pressure maintaining cavity 23, the mounting holes 212 are through holes penetrating through the first template 21 and the second template 22, and the inner diameter of the mounting holes 212 is larger than the outer diameters of the first clamping member 121 and the second clamping member 122, so that the first clamping member 121 and the second clamping member 122 can conveniently pass through the mounting holes 212.

Referring to fig. 4 and 10, magnetic bodies 24 are embedded in the first mold plate 21 and the second mold plate 22, the first mold plate 21 and the second mold plate 22 are attracted to each other through the magnetic bodies 24, and the first mold plate 21 is attracted to the lower end of the seat 11 through the magnetic bodies 24 in the first mold plate 21.

In one possible embodiment, the magnetic bodies 24 are embedded in the joint surfaces of the first template 21 and the second template 22, and the magnetic bodies 24 embedded in the first template 21 and the magnetic bodies 24 embedded in the second template 22 have opposite magnetism, so that the first template 21 and the second template 22 can be stably fastened and connected.

In one possible embodiment, the magnetic body 24 may be a magnet or a magnet, the magnetic body 24 may be a columnar structure, the plurality of magnetic bodies 24 are embedded on the joint surface of the first template 21 and the second template 22, and the plurality of magnetic bodies 24 may be uniformly distributed on the first template 21 and the second template 22 at intervals along the joint surface of the first template 21 and the second template 22. The magnetic body 24 may have a ring structure, such as a rectangular ring or a circular ring, and the magnetic body 24 having the ring structure is fitted on the joint surface of the first die plate 21 and the second die plate 22 and located outside the pressure holding chamber 23. The joint surface between the first die plate 21 and the second die plate 22 is a surface where the first die plate 21 and the second die plate 22 are engaged with each other.

In a possible embodiment, referring to fig. 4 and 5, the clamping assembly 12 further includes a connecting member 123 disposed in the holder body 11, and a first spring 124 and a second spring 125 disposed on opposite sides of the connecting member 123, wherein the connecting member 123 is located between the first clamping member 121 and the second clamping member 122, the first spring 124 is abutted between the connecting member 123 and the first clamping member 121, and the second spring 125 is abutted between the connecting member 123 and the second clamping member 122.

The first spring 124 and the second spring 125 are both compression springs, the connecting member 123 is used for fixing the first spring 124 and the second spring 125, as shown in fig. 5 and 6, the connecting member 123 includes an upper baffle 1231, a vertical baffle 1232 and a lower baffle 1233, the upper baffle 1231 and the lower baffle 1233 are parallel to each other, one end of the vertical baffle 1232 is fixedly connected with the upper baffle 1231, and the other end of the vertical baffle 1232 is fixedly connected with the lower baffle 1233.

In one possible embodiment, the connecting member 123 is i-shaped.

One end of the first spring 124 abuts against one side of the standing baffle 1232 facing the first clamping member 121, the other end of the first spring 124 abuts against one side of the first clamping member 121 facing the connecting member 123, in order to prevent the first spring 124 from being loosened and falling, a protrusion may be disposed on one side of the standing baffle 1232 facing the first clamping member 121, a protrusion is disposed on one side of the first clamping member 121 facing the connecting member 123, one end of the first spring 124 is sleeved on the protrusion disposed on one side of the standing baffle 1232 facing the first clamping member 121, the other end of the first spring 124 is sleeved on the protrusion disposed on one side of the first clamping member 121 facing the connecting member 123, and the first spring 124 and the protrusion are in interference fit.

One end of the second spring 125 abuts against one side of the standing baffle 1232 facing the second clamping member 122, and the other end of the second spring 125 abuts against one side of the second clamping member 122 facing the connecting member 123, so as to prevent the second spring 125 from falling off, a protrusion may be disposed on one side of the standing baffle 1232 facing the second clamping member 122, one end of the second spring 125 is sleeved on the protrusion disposed on one side of the standing baffle 1232 facing the second clamping member 122, similarly, a protrusion is disposed on one side of the second clamping member 122 facing the connecting member 123, the other end of the second spring 125 is sleeved on the protrusion disposed on one side of the second clamping member 122 facing the connecting member 123, and both the second spring 125 and the protrusion are in interference fit.

In a possible embodiment, referring to fig. 4 and 7, the pressing device 40 includes a pressing rod 41 and a third spring 42, the first mold plate 21 further has a central hole 213, a lower end of the pressing rod 41 extends into the pressure holding cavity 23 through the central hole 213, an upper end of the pressing rod 41 has a retaining sleeve 411, and the third spring 42 abuts between the connecting member 123 and the retaining sleeve 411.

The third spring 42 is a compression spring, a sleeve of the third spring 42 is disposed on the blocking sleeve 411, the other end of the third spring 42 abuts against the lower surface of the lower baffle 1233, a protrusion can be disposed at the lower end of the lower baffle 1233, so that the other end of the third spring 42 is disposed on the protrusion disposed at the lower end of the lower baffle 1233, and the other end of the third spring 42 is in interference fit with the protrusion disposed at the lower end of the lower baffle 1233.

In a possible implementation manner, the pressing rod 41 may be a vertical rod, and the lower end of the pressing rod 41 extends into the pressure maintaining cavity 23 through the central hole 213 and abuts against the terminal 30 to be maintained, so that the terminal 30 to be maintained maintains a certain pressing force, and a rubber sleeve can be wrapped on the lower end of the pressing rod 41 to prevent the lower end of the pressing rod 41 from being in rigid contact with the terminal 30 to be maintained and damaging the terminal 30 to be maintained.

In a possible implementation manner, referring to fig. 7 and 8, the clamping device 10 further includes a driving assembly 14, the driving assembly 14 includes a movable handle 141 and a pair of stoppers 142 connected to a lower end of the movable handle 141, an open cavity 143 is formed between the stoppers 142, the movable handle 141 is movably disposed on the seat body 11, upper ends of the first clamping member 121 and the second clamping member 122 each have an inclined section 1213 extending into the open cavity 143, and the stoppers 142 respectively abut against the inclined sections 1213 of the first clamping member 121 and the inclined sections 1213 of the second clamping member 122. When the movable handle 141 moves downward, the pair of stoppers 142 are pushed to press the

inclined sections

1213 and 1213 of the first and

second clamping members

121 and 122, respectively, so that the lower portions of the first and

second clamping members

121 and 122 are elastically expanded. The contact between the pair of stoppers 142 and the inclined section 1213 may be an inclined surface, which facilitates the pair of stoppers 142 to push the inclined section 1213.

In a possible embodiment, the driving assembly 14 further includes a fixing block 144, a pair of stoppers 142 are connected to the lower end of the movable handle 141 through the fixing block 144, the pair of stoppers 142 are respectively connected to both ends of the fixing block 144, and the movable handle 141 is connected to the upper end of the fixing block 144.

In one possible embodiment, the lower ends of first and

second clamping members

121 and 122 each have a finger 1214 that extends into pressure retention chamber 23. The hook 1214 at the lower end of the first clamping member 121 corresponds to the hook 1214 at the lower end of the second clamping member 122, so that the hook 1214 at the lower end of the first clamping member 121 corresponds to the hook 1214 at the lower end of the second clamping member 122 and hooks to the bottom of the terminal 30 to be held in pressure.

The contact surface between the inside of the hook 1214 and the bottom of the terminal 30 to be pressure-maintained is a plane, which is beneficial for the hook 1214 to be stably hooked on the bottom of the terminal 30 to be pressure-maintained.

In a possible embodiment, referring to fig. 4 and 6, the housing 11 includes a vertical frame 111 and a cover plate 113, the rear side of the vertical frame 111 has a rear cover plate 1113, the cover plate 113 covers the front side of the vertical frame 111, the first clamping member 121 and the second clamping member 122 are relatively pivoted on the rear cover plate 1113, and the connecting member 123 is fixed on the rear cover plate 1113. First clamping member 121 may be pivotally connected to rear cover plate 1113 via pin 126, second clamping member 122 may be pivotally connected to rear cover plate 1113 via pin 126, and first clamping member 121 and second clamping member 122 may move relatively.

In a possible embodiment, as shown in fig. 4 and 9, the first clamping member 121 and the second clamping member 122 may be rod-shaped, such as a round rod-shaped or a square rod-shaped. The first clamping member 121 and the second clamping member 122 each include an inclined section 1213, a first section 1211 and a second section 1212 connected in sequence, wherein a pin shaft hole 1215 is formed at a connection position of the first section 1211 and the second section 1212, the pin shaft 126 is connected in the pin shaft hole 1215, the connecting member 123 is located between the first section 1211 of the first clamping member 121 and the first section 1211 of the second clamping member 122, and the hook 1214 is located at a lower end of the second section 1212.

In a possible embodiment, the top of the upright frame 111 has a cross beam 1111, two sides of the upright frame 111 have a side beam 1112, the upper end of the side beam 1112 is connected with the cross beam 1111, the rear sealing plate 1113 is connected with the cross beam 1111 and the side beam 1112, the rear sealing plate 1113 may be rectangular, the cross beam 1111 may be perpendicular to the two side beams 1112, and the movable handle 141 is disposed on the cross beam 1111.

In a possible embodiment, referring to fig. 4 and 6, the magnetic bodies 24 may be disposed on the bottom surfaces of the two side beams 1112, and the magnetic bodies 24 disposed on the bottom surfaces of the two side beams 1112 are opposite to the magnetic body 24 embedded on the upper surface of the first mold plate 21, so that the magnetic bodies 24 disposed on the bottom surfaces of the two side beams 1112 and the magnetic body 24 embedded on the upper surface of the first mold plate 21 are attracted to each other by magnetic force.

In order to facilitate taking up the whole terminal pressure maintaining jig provided by the embodiment, referring to fig. 1 and 6, the terminal pressure maintaining jig provided by the embodiment further includes a handle 15, and one end of the handle 15 is fixedly connected to a surface of the rear sealing plate 1113 opposite to the front cover plate 113.

In a possible embodiment, a guide plate 114 is further disposed in the housing 11, the guide plate 114 is fixed to the lower end of the rear cover plate 1113, the guide plate 114 is located between the first clamping member 121 and the second clamping member 122, openings 115 are respectively formed between two ends of the guide plate 114 and the two side beams 1112, the first clamping member 121 and the second clamping member 122 respectively extend downward from the two openings 115, the pressing rod 41 penetrates through the guide plate 114, and the retaining sleeve 411 abuts against the guide plate 114.

The guide plate 114 is internally provided with a guide hole 1141, the pressure lever 41 penetrates through the guide plate 114, namely, the pressure lever 41 penetrates through the guide hole 1141 formed in the guide plate 114 and moves up and down along the guide hole 1141, the outer diameter of the baffle sleeve 411 is larger than the inner diameter of the guide hole 1141, the guide plate 114 plays a role in guiding and limiting for the movement of the pressure lever 41, when the lower end of the pressure lever 41 is pressed on the terminal 30 to be held in pressure, the third spring 42 is compressed, and the pressure lever 41 keeps the state of elastically pressing the terminal 30 to be held in pressure by virtue of the elasticity of the third spring 42.

In the terminal pressure maintaining jig provided in this embodiment, when the clamping device 10 performs clamping operation, by continuously pushing the movable handle 141, the stopper 142 presses the inclined section 1213 at the upper end of the first clamping member 121 and the inclined section 1213 at the upper end of the second clamping member 122, so that the upper ends of the first clamping member 121 and the second clamping member 122 move closer to each other, the first spring 124 and the second spring 125 are compressed, the first clamping member 121 and the second clamping member 122 are relatively pivoted on the rear sealing plate 1113, so that the lower ends of the first clamping member 121 and the second clamping member 122 move away from each other, the hook 1214 at the lower end of the first clamping member 121 and the hook 1214 at the lower end of the second clamping member 122 are kept open, at this time, the terminal 30 to be pressure maintained can be placed between the hook 1214 at the lower end of the first clamping member 121 and the hook 1214 at the lower end of the second clamping member 122, the pushing of the movable handle 141 is stopped, and under the restoring forces of the first spring 124 and the second spring 125, the upper ends of the first clamping piece 121 and the second clamping piece 122 move away from each other, the lower ends of the first clamping piece 121 and the second clamping piece 122 move close to each other, the hook 1214 at the lower end of the first clamping piece 121 and the hook 1214 at the lower end of the second clamping piece 122 are respectively clamped at the bottoms of two sides of the pressure maintaining terminal 30, the pressing rod 41 is just elastically pressed on the pressure maintaining terminal 30, the second template 22 is installed at the lower ends of the first clamping piece 121 and the second clamping piece 122, and the first template 21 is pushed, so that the first template 21 and the second template 22 are buckled with each other, and pressure is maintained for the pressure maintaining terminal 30.

The invention further provides a terminal pressure maintaining method, which uses the terminal pressure maintaining jig, and is shown in fig. 15, and the terminal pressure maintaining method comprises the following steps:

s10, providing a terminal pressure maintaining jig;

s20, referring to fig. 11, the first template 21 is inserted through the first clamping member 121 and the second clamping member 122, and is attached to the lower end of the seat 11 by the magnetic member 24;

s30, assembling a shell of the terminal, a touch screen and a flexible printed circuit board to form the terminal 30 to be subjected to pressure maintaining;

s40, referring to fig. 12, the first clamping member 121 and the second clamping member 122 are respectively clamped at both sides of the pressure-maintaining terminal 30, and the pressing rod 41 is pressed against the pressure-maintaining terminal 30;

s50, referring to fig. 2, the first template 21 and the second template 22 are fastened to each other, so that the terminal 30 to be pressure-maintained is located in the first template 21 and the second template 22;

and S60, standing the terminal pressure maintaining jig and the terminal 30 to be subjected to pressure maintaining for preset pressure maintaining time.

After the assembly operation of the terminal 30 to be held is completed, the first clamping piece 121 and the second clamping piece 122 are respectively clamped at two sides of the terminal 30 to be held, the pressing rod 41 is pressed on the terminal 30 to be held, so that the terminal 30 to be held is in a compressed state, the first template 21 and the second template 22 are mutually buckled, the terminal 30 to be held is placed in the first template 21 and the second template 22, therefore, the terminal 30 to be held can be always kept in a pressure holding state, even if the terminal 30 to be held is in a pressure holding state in the circulation process among the processes, and the terminal 30 to be held is loaded into the pressure holding device 20, the pressure holding state of the terminal 30 to be held can still be ensured, the uninterrupted state can reduce the occurrence of poor touch screen floating problem, the second pressing is not needed, and the reject ratio is reduced. The reject ratio of the terminal water leakage test is less than 0.001 percent.

In a possible implementation, step S30, assembling the housing of the terminal, the touch screen and the flexible printed circuit board, forming the terminal 30 to be pressure-maintained; after the touch screen is fastened with the flexible printed circuit board, the touch screen and the flexible printed circuit board are bonded by glue dispensing on the housing of the terminal, so that the housing of the terminal, the touch screen and the flexible printed circuit board are assembled, and the terminal 30 to be subjected to pressure maintaining is formed.

Referring to fig. 15 and 16, in a possible implementation, the first template 21 and the second template 22 are fastened to each other so that the terminal 30 to be held is located in the first template 21 and the second template 22, including:

s51, referring to fig. 13, the second template 22 is mounted on the lower portions of the first and

second clamps

121 and 122 such that the terminal 30 to be held in pressure is located in the second template 22;

s52, referring to fig. 2, the first form 21 is pushed to separate from the lower end of the seat 11 and is fastened to the second form 22.

In a possible implementation manner, the step S30 of assembling the housing of the terminal, the touch screen and the flexible printed circuit board to form the terminal 30 to be pressure-maintained includes: the touch screen is assembled and mounted on the housing of the terminal after the flexible printed circuit board is fastened, and the terminal 30 to be pressure-maintained is formed.

In a possible implementation, step S40 is to clamp the first clamping member 121 and the second clamping member 122 at two sides of the pressure-maintaining terminal 30, respectively, and press the pressing rod 41 on the pressure-maintaining terminal 30; the method comprises the following steps:

the movable handle 141 is kept pushed to move towards the direction close to the seat body 11, so that the terminal 30 to be held at pressure is placed between the hook 1214 of the first clamping member 121 and the hook 1214 of the second clamping member 122 in the state that the first clamping member 121 and the second clamping member 122 are kept elastically opened, and then the movable handle 141 is stopped being pushed, and the hook 1214 of the first clamping member 121 and the hook 1214 of the second clamping member 122 are respectively clamped at the bottoms of the two sides of the terminal 30 to be held at pressure.

In a possible implementation manner, the step S60 of pushing the first mold plate 21 to separate from the lower end of the seat body 11 and fastening the first mold plate to the second mold plate 22 includes: the first mold plate 21 is pushed to move in a direction away from the lower end of the seat body 11 until the first mold plate 21 moves to be magnetically attracted with the second mold plate 22 through the magnetic body 24.

In one possible embodiment, the preset dwell time is greater than or equal to 24 hours. For example, it may be 24 hours, 26 hours, 30 hours, etc., so that the terminal 30 to be held is firmly bonded.

After the pressure holding is completed, as shown in fig. 14, the holding device 10 is removed, the holding device 10 is separated from the pressure holding device 20, and the terminal is taken out to perform the subsequent detection process.

It should be noted that the numerical values and numerical ranges referred to in this application are approximate values, and there may be some error due to the manufacturing process, and the error may be considered to be negligible by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "center", "length", "width", "thickness", "top", "bottom", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outer", "axial", "circumferential", and the like, are used to indicate an orientation or positional relationship based on that shown in the drawings, merely to facilitate the description of the invention and to simplify the description, and do not indicate or imply that the position or element referred to must have a particular orientation, be of particular construction and operation, and thus, are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; may be mechanically coupled, may be electrically coupled or may be in communication with each other; either directly or indirectly through intervening media, such as through internal communication or through an interaction between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a terminal pressurize tool which characterized in that includes: the clamping device (10), the pressure maintaining device (20) and the pressing device (40), the pressure maintaining device (20) is detachably connected with the clamping device (10), the pressure maintaining device (20) is used for placing a terminal (30) to be maintained, the pressing device (40) is elastically pressed on the terminal (30) to be maintained, the clamping device (10) comprises a base body (11) and a clamping component (12), the clamping component (12) is arranged in the base body (11), the clamping component (12) comprises a first clamping piece (121) and a second clamping piece (122), the first clamping piece (121) and the second clamping piece (122) are both pivoted in the base body (11) and are opened and closed relatively, at least part of the first clamping piece (121) and at least part of the second clamping piece (122) both extend to the outer side of the base body (11) and penetrate through the pressure maintaining device (20), the clamping assembly (12) further comprises a connecting piece (123) arranged in the seat body (11), and a first spring (124) and a second spring (125) which are oppositely arranged on two sides of the connecting piece (123);

the pressure maintaining device (20) comprises a first template (21) and a second template (22), the first template (21) and the second template (22) are buckled with each other, and a pressure maintaining cavity (23) for accommodating the terminal (30) to be maintained in pressure is formed inside the first template (21) and the second template (22);

the pressing device (40) comprises a pressing rod (41) and a third spring (42), a central hole (213) is further formed in the first template (21), the lower end of the pressing rod (41) extends into the pressure maintaining cavity (23) through the central hole (213), a blocking sleeve (411) is arranged at the upper end of the pressing rod (41), and the third spring (42) abuts against the connecting piece (123) and between the blocking sleeve (411).

2. A terminal pressure maintaining jig according to claim 1, wherein a pair of mounting holes (212) are formed in each of the first template (21) and the second template (22), and the first clamping member (121) and the second clamping member (122) extend downwards through the pair of mounting holes (212) and are clamped at two sides of the terminal (30) to be maintained.

3. The terminal pressure maintaining jig of claim 2, wherein a magnetic body (24) is embedded inside each of the first template (21) and the second template (22), the first template (21) and the second template (22) are attracted to each other through the magnetic body (24), and the first template (21) is attracted to the lower end of the seat (11) through the magnetic body (24) in the first template (21).

4. A terminal pressure holding jig according to claim 3, characterized in that the connecting member (123) is located between the first clamping member (121) and the second clamping member (122), and the first spring (124) abuts between the connecting member (123) and the first clamping member (121), and the second spring (125) abuts between the connecting member (123) and the second clamping member (122).

5. A terminal pressure maintaining jig according to any one of claims 1-4, characterized in that the clamping device (10) further comprises a driving assembly (14), the driving assembly (14) comprises a movable handle (141) and a pair of stoppers (142) connected to the lower end of the movable handle (141), an open cavity (143) is formed between the pair of stoppers (142), the movable handle (141) is movably arranged on the seat body (11), the upper ends of the first clamping member (121) and the second clamping member (122) are respectively provided with an inclined section (1213) extending into the open cavity (143), and the pair of stoppers (142) respectively abut against the inclined sections (1213) of the first clamping member (121) and the second clamping member (122).

6. A terminal pressure holding jig according to any one of claims 1-4, characterized in that the lower ends of the first clamping member (121) and the second clamping member (122) each have a finger (1214) extending into the pressure holding cavity (23).

7. A terminal pressure maintaining jig according to claim 1, wherein the base body (11) comprises a vertical frame (111) and a cover plate (113), a rear sealing plate (1113) is provided at a rear side of the vertical frame (111), the cover plate (113) covers a front side of the vertical frame (111), the first clamping member (121) and the second clamping member (122) are relatively pivoted on the rear sealing plate (1113), and the connecting member (123) is fixed on the rear sealing plate (1113).

8. A terminal pressure maintaining jig according to claim 7, characterized in that a guide plate (114) is further disposed in the seat body (11), the guide plate (114) is fixed at the lower end of the rear sealing plate (1113), the guide plate (114) is located between the first clamping member (121) and the second clamping member (122), the pressing rod (41) penetrates through the guide plate (114), and the retaining sleeve (411) abuts against the guide plate (114).

9. A terminal pressure maintaining method, characterized in that the terminal pressure maintaining jig of any one of claims 1 to 8 is used, and comprises the following steps:

providing the terminal pressure maintaining jig;

the first template (21) passes through the first clamping piece (121) and the second clamping piece (122) and is connected to the lower end of the seat body (11) through the magnetic body (24) in an attracting mode;

assembling the shell of the terminal, the touch screen and the flexible printed circuit board to form a terminal (30) to be subjected to pressure maintaining;

clamping the first clamping piece (121) and the second clamping piece (122) at two sides of the terminal (30) to be pressurized respectively, and pressing a pressing rod (41) on the terminal (30) to be pressurized;

buckling the first template (21) and the second template (22) with each other so that the terminal (30) to be maintained in pressure is located in the first template (21) and the second template (22);

and standing the terminal pressure maintaining jig and the terminal (30) to be subjected to pressure maintaining for preset pressure maintaining time.

10. A terminal dwell method according to claim 9, characterized by snapping the first template (21) and the second template (22) to each other such that the terminal (30) to be dwell is located in the first template (21) and the second template (22); the method comprises the following steps:

-mounting the second template (22) in the lower part of the first clamp (121) and the second clamp (122) so that the terminal (30) to be pressurized is located inside the second template (22);

the first template (21) is pushed to be separated from the lower end of the seat body (11) and is buckled on the second template (22).

11. The end dwell process of claim 9, wherein the preset dwell time is greater than or equal to 24 hours.