Pressing jig for assembling fingerprint chip under screen

Abstract

The utility model relates to a press fit jig for assembling a fingerprint chip under a screen, which comprises a jig body, an electric control box body and a protective cover, the jig body is provided with a bearing bottom plate, a transverse moving module, an air cylinder and a suction head and pressure head assembly, and the bearing bottom plate is used for installing a fingerprint chip carrier and a middle frame carrier. The transverse moving module drives the suction head and pressing head assembly to move in the horizontal direction, and the air cylinder is used for controlling the suction head and pressing head assembly to conduct pressing operation in the vertical direction. The electric control box body sets operation parameters through the touch all-in-one machine and controls equipment operation, and a control panel of the electric control box body is provided with a double-start button and an emergency stop switch; the protective cover covers the operation area of the transverse moving module and the air cylinder, and operation safety is guaranteed. The fingerprint chip assembling device realizes efficient and accurate assembling of the fingerprint chip, has the characteristics of strong adaptability, simplicity and convenience in operation and high safety, and is widely applicable to assembling production of the fingerprint chip under the screen.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial production assembly technical field, concretely relates to a kind of compression tool for assembling under-screen fingerprint chip. BACKGROUND

[0002] With the extensive popularity of electronic equipment, fingerprint recognition function becomes common and important configuration.The assembly quality of fingerprint module is crucial, the following problems are exposed in actual application to the existing assembly under-screen fingerprint chip fixture:

[0003] 1, uneven compression: when assembling fingerprint module, it is often relied on manual pressing or simple tool assisted pressing to realize fixed fitting, it is difficult to ensure that the entire fingerprint module surface is stressed evenly, which may cause the module and installation position to be not closely fitted, local gap appears, affect the stability and accuracy of subsequent fingerprint recognition, and part of area may not be inductive when fingerprint recognition occurs;

[0004] 2, difficult to control pressure: lack of accurate pressure control means, it is difficult to accurately grasp the appropriate pressure value applied on fingerprint module.Pressure is too large, which may damage sensitive components inside fingerprint module;Pressure is too small, which cannot make module firmly installed, and it is prone to loosen and displace in use, reducing product reliability;

[0005] 3, high dependence on operating personnel: the entire assembly process is highly dependent on the proficiency and responsibility of operating personnel, the product quality assembled by different operating personnel is uneven, and new employees need a long learning and adaptation period when starting work, which is not conducive to efficient and stable mass production;

[0006] 4, limited adaptability: in the face of fingerprint modules of different sizes and models and terminal products of different types (such as various sizes of mobile phones, tablet computers, etc.), traditional assembly method is often difficult to adjust flexibly, and it is necessary to re-explore appropriate assembly parameters and methods, and the versatility is poor;

[0007] 5, easy to damage product: manual operation or simple tool in assembly process is prone to scratch product surface, especially some electronic equipment with high appearance requirements, which will affect the overall appearance of product, and even may cause appearance defective product to appear. INVENTION CONTENT

[0008] Technical purpose: in view of the deficiencies of existing assembly under-screen fingerprint chip fixture technology, the utility model discloses a kind of compression tool for assembling under-screen fingerprint chip, which realizes accurate assembly and efficient compression of fingerprint chip by structure optimization.

[0009] Technical scheme: to achieve the above technical purpose, the utility model adopts the following technical scheme:

[0010] The utility model provides a kind of compression jig for assembling under-screen fingerprint chip, including jig body and electric control box, the jig body includes bearing bottom plate, motor, horizontal shift module, cylinder and suction head and anvil assembly, bearing bottom plate is arranged on electric control box, for installing and fixed fingerprint chip carrier and middle frame carrier, middle frame carrier is installed around fingerprint chip carrier and both are located on same straight line;Horizontal shift module is installed above bearing bottom plate, motor is connected horizontal shift module and drives its horizontal motion, cylinder is installed on horizontal shift module and drives suction head and anvil assembly to realize vertical motion, for realizing the vertical adsorption and compression of fingerprint chip;Electric control box is connected with motor, horizontal shift module and cylinder by cable, provides power and control signal.

[0011] Preferably, the fingerprint chip carrier is used to fix the fingerprint chip, and the four corners are provided with screw holes and fixed with the bearing bottom plate.

[0012] The middle frame carrier is used to position and fix the middle frame, and the middle frame carrier includes a positioning bottom plate and a limiting block, the positioning bottom plate is fixed with the bearing bottom plate, and the limiting block is arranged around the positioning bottom plate to adapt to middle frames of different sizes.

[0013] Preferably, the horizontal shift module is fixed on the bearing bottom plate through an L-shaped connecting block, and the movement range covers the fingerprint chip carrier and the middle frame carrier, and the cylinder is installed on the horizontal shift module through a cylinder connecting block, and the lower end is connected with the suction head and anvil assembly through a suction head and anvil fixing plate.

[0014] Preferably, the motor is fixed on a motor bearing plate, and the output shaft is connected with the horizontal shift module through a shaft coupling to drive the horizontal shift module to move in the horizontal direction.

[0015] Preferably, the electric control box is provided with a control panel, and the control panel is provided with double start buttons, a touch all-in-one machine and an emergency stop switch, the double start buttons are used to start the jig operation, the touch all-in-one machine is used to set the adsorption position and compression time of the suction head and anvil assembly, and the emergency stop switch is used to stop the jig operation in an emergency.

[0016] Preferably, a protective cover is arranged above the jig body, and the bottom is fixed on both sides of the bearing bottom plate, the protective cover is made of a sheet metal frame, and the coverage range includes the working area of the horizontal shift module, the cylinder, the suction head and anvil assembly.

[0017] Advantages:

[0018] The utility model discloses a horizontal shift module and cylinder cooperation work, horizontal shift module drive suction head and pressure head subassembly accurate movement in horizontal position, and cylinder controls suction head and pressure head subassembly in vertical direction's compression movement, and the design of the fingerprint chip carrier and the middle frame carrier on the bearing bottom plate is reasonable, can fix fingerprint chip and middle frame, guarantees the accurate alignment of chip and middle frame, realizes the even stress and high-precision compression of chip and middle frame, avoids the problem of loosening or deviation caused by uneven pressure in traditional manual operation, improves assembly quality and the stability of fingerprint identification.

[0019] The middle frame carrier of the utility model adopts adjustable limit block design, can be through simple adjustment adaptation different size and specification's middle frame, and the fingerprint chip carrier is accurately fixed different model's fingerprint chip through the profiling groove, satisfies the assembly demand of multiple models, need not to change equipment component, has improved the versatility and economy of equipment significantly.

[0020] The control panel of the utility model designs simply, is equipped with double start button, emergency stop switch and touch all-in-one machine, interface is intuitive, easy to set running parameter, and the protective cover effectively isolates the operation part, further simplifies the operation process, reduces training time, and new staff can quickly master the equipment operation, reduces the labor cost and time investment of assembly process. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description briefly introduce.

[0022] Figure 1 It is the structural diagram of the utility model tool body and electric control box;

[0023] Figure 2 It is the structural diagram of the utility model tool body;

[0024] Figure 3 It is the structural diagram of the utility model middle frame carrier;

[0025] Figure 4 It is the structural diagram of the utility model fingerprint chip carrier;

[0026] Figure 5 It is the overall structure schematic diagram of the utility model compression tool.

[0027] In the drawing: 1, motor;2, horizontal shift module;3, cylinder connecting block;4, cylinder;5, suction head and pressure head fixed plate;6, suction head and pressure head subassembly;7, touch all-in-one machine;8, emergency stop switch;9, double start button;10, bearing bottom plate;11, L type connecting block;12, motor bearing plate;13, electric control box;14, positioning bottom plate;15, limit block;16, fingerprint chip carrier;17, sheet metal outer frame;18, middle frame carrier. DETAILED DESCRIPTION

[0028] The utility model is more clearly and completely explained below by a preferred embodiment and in conjunction with drawings, but the utility model is not limited in the scope of the embodiment.

[0029] As Figure 1 The utility model provides a kind of compression jig for assembling under-screen fingerprint chip, including jig body and electric control box 13, the jig body includes bearing base plate 10, motor 1, horizontal shift module 2, cylinder 4 and suction head and pressure head subassembly 6, bearing base plate 10 is set on electric control box 13, for installing and fixed fingerprint chip carrier 16 and middle frame carrier 18, middle frame carrier 18 is installed around fingerprint chip carrier 16 and both are located on the same straight line;Horizontal shift module 2 is installed above bearing base plate 10, motor 1 is connected horizontal shift module 2 and drives its horizontal motion, cylinder 4 is installed on horizontal shift module 2 and drives suction head and pressure head subassembly 6 to realize vertical motion, for realizing the vertical adsorption and compression of fingerprint chip;Electric control box 13 is connected with motor 1, horizontal shift module 2 and cylinder 4 by cable, provides power and control signal.

[0030] As Figure 4 Fingerprint chip carrier 16 is used for fixing fingerprint chip, and screw holes are arranged at four corners thereof, and fixed with bearing base plate 10;Fingerprint chip carrier 16 is provided with a profiling groove, which can accurately fix fingerprint chips of different models.

[0031] As Figure 3 Middle frame carrier 18 is used for positioning and fixing middle frame, and the middle frame carrier 18 includes positioning base plate 14 and limiting block 15, the positioning base plate 14 is fixed with bearing base plate 10, the limiting block 15 is arranged around the positioning base plate 14, for adapting to middle frames of different sizes, the size of the positioning base plate 14 is designed according to the size of the middle frame, and four screw holes are formed at four corners, for fixing the positioning base plate 14 with the bearing base plate 10;Eight screw holes are formed around the positioning base plate 14, for fixing the limiting block 15 with the positioning base plate 14.

[0032] As Figure 2 Horizontal shift module 2 is fixed on bearing base plate 10 through L-shaped connecting block 11, and the movement range covers fingerprint chip carrier 16 and middle frame carrier 18, the size of horizontal shift module 2 is designed according to process requirements, and L-shaped connecting block 11 is cut according to the size of horizontal shift module 2 and process requirements, four screw holes are formed at four corners of the horizontal surface of L-shaped connecting block 11, and screw holes are formed at the corresponding positions of bearing base plate 10 according to the hole positions on L-shaped connecting block 11, for fixing with bearing base plate 10, four screw holes are formed at the upper end of the vertical surface of L-shaped connecting block 11, for fixing with horizontal shift module 2, to provide power support for assembly.

[0033] The cylinder 4 is installed on the horizontal moving mold module 2 through the cylinder connecting block 3, the lower end is connected with the suction head and the press head fixing plate 5 through the suction head and the press head assembly 6, the size of the cylinder connecting block 3 is designed according to the size of the cylinder 4, four screw holes are formed in four corners of the cylinder connecting block 3, and the cylinder connecting block 3 is fixed with the horizontal moving mold module 2 and the cylinder 4; the size of the suction head and the press head fixing plate 5 is designed according to the size of the cylinder 4 and the suction head and the press head assembly 6, and the suction head and the press head fixing plate 5 are fixed with the cylinder 4 and the suction head and the press head assembly 6.

[0034] The motor 1 is fixed on the motor bearing plate 12, the output shaft is connected with the horizontal moving mold module 2 through a shaft coupling, the horizontal moving mold module 2 is driven to move in the horizontal direction, the size of the motor bearing plate 12 is designed according to the size of the motor 1, and four screw holes are formed in four corners of the motor bearing plate 12 and used for fixing the motor 1.

[0035] The front surface of the electric control box 13 is provided with a control panel, and according to design requirements, holes are formed in the control panel for mounting the touch all-in-one machine 7, the emergency stop switch 8 and the double start button 9, so that the adaptation between the structural parts is ensured, the double start button 9 is used for starting the jig operation, the touch all-in-one machine 7 is used for setting the suction position and the pressing time of the suction head and the press head assembly, and the emergency stop switch 8 is used for stopping the jig operation in an emergency.

[0036] As shown in Figure 5 The bottom of the protection cover is fixed on both sides of the bearing bottom plate 10, the protection cover is made of a sheet metal outer frame 17, the coverage range of the protection cover includes the working area of the horizontal moving mold module 2, the cylinder 4 and the suction head and the press head assembly 6, the sheet metal outer frame 17 is cut and assembled according to the size of the bearing bottom plate 10 and the horizontal moving mold module 2, two screw holes are formed in the bottom of each side of the sheet metal outer frame 17, and two screw holes are formed in the bearing bottom plate 10 on both sides of the jig body according to the position of the holes in the sheet metal outer frame 17, and the sheet metal outer frame 17 is fixed, so that the operator is prevented from being hurt due to improper operation.

[0037] The assembly process of the compression jig is as follows:

[0038] Firstly, the screw holes of the motor bearing plate 12 are aligned with the screw holes of the motor 1, and then the four M2 screws are screwed into the corresponding screw holes with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the motor 1 is completed; the screw holes of the cut L-shaped connecting block 11 are aligned with the screw holes of the bearing bottom plate 10, and then the eight M4 screws are screwed into the corresponding screw holes with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the L-shaped connecting block 11 is completed; the horizontal moving module 2 is assembled with the screw holes of the L-shaped connecting block 11, and then the eight M4 screws are screwed into the corresponding screw holes with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the horizontal moving module 2 is completed; the touch all-in-one machine 7, the emergency stop switch 8, and the double start button 9 are assembled with the front control panel opening hole position of the electric control box 13, respectively, ensuring that the entire assembly is stable, and the installation of the touch all-in-one machine 7, the emergency stop switch 8, and the double start button 9 is completed.

[0039] The screw holes of the cylinder connecting block 3 are aligned with the screw holes of the horizontal moving module 2, and then the four M4 screws are screwed into the corresponding screw holes with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the cylinder connecting block 3 is completed; the screw holes of the cylinder connecting block 3 are aligned with the screw holes of the cylinder 4, and then the four M2 screws are screwed into the corresponding screw holes 4 with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the cylinder 4 is completed; the screw holes of the cylinder 4 and the suction head are aligned with the screw holes of the suction head and pressure head fixing plate 5, and then the four M2 screws are screwed into the corresponding screw holes with an internal hexagon, ensuring that the entire assembly structure is stable, and the installation of the suction head and pressure head fixing plate 5 is completed; the screw holes of the suction head and pressure head fixing plate 5 are aligned with the suction head and pressure head assembly 6, and then the nuts are tightened with a wrench, ensuring that the entire assembly structure is stable, and the installation of the suction head and pressure head assembly 6 is completed.

[0040] The screw holes of the positioning bottom plate 14 are aligned with the screw holes of the limiting block 15, and after assembly, 8 M2 screws are taken out, and the screws are screwed into the corresponding screw holes one by one with an internal hexagon, so that the whole assembly structure is stable, and the installation of the limiting block 15 is completed; the opening of the positioning bottom plate 14 is aligned with the screw hole of the bearing bottom plate 10, and after assembly, 4 M4 screws are taken out, and the screws are screwed into the corresponding screw holes one by one with an internal hexagon, so that the whole assembly structure is stable, and the installation of the positioning bottom plate 14 is completed; the screw holes of the fingerprint chip jig 16 are aligned with the screw holes of the bearing bottom plate 10, and after assembly, 4 M4 screws are taken out, and the screws are screwed into the corresponding screw holes one by one with an internal hexagon, so that the whole assembly structure is stable, and the installation of the fingerprint chip jig 16 is completed; the metal outer frame 17 screw hole is aligned with the jig body bearing bottom plate 10 screw hole assembly, and after assembly, 4 M2 screws are taken out, and the screws are screwed into the corresponding screw holes one by one with an internal hexagon, so that the whole assembly structure is stable, and the installation of the metal outer frame 17 is completed, and the pressure jig for assembling the under-screen fingerprint chip is obtained. Figure 5

[0041] The working principle of the utility model in practical use is as follows:

[0042] 1, the initialization of the electric control system: the operator sets the operation parameters through the touch all-in-one machine 7 of the electric control box body 13, including the adsorption position of the suction head and the pressure head assembly 6, the pressure time and the pressure, after the electric control system starts, the transverse module 2, the air cylinder 4 and the suction head and the pressure head assembly 6 restore to the initial position (the original position), this position is set between the fingerprint chip carrier 16 and the middle frame carrier 18, facilitating the taking and placing of materials and the start of assembly.

[0043] 2. Fingerprint chip adsorption stage: the operator places the fingerprint chip in the fingerprint chip carrier 16 of the bearing bottom plate 10, and the profiling groove of the fingerprint chip carrier 16 is used for accurately fixing the chip; the middle frame is fixed in the middle frame carrier 18 of the bearing bottom plate 10, and the middle frame carrier 18 adjusts the position through the limiting block 15 to adapt to the specific middle frame size, so as to ensure the alignment accuracy of the chip and the middle frame;

[0044] The motor 1 controls the transverse module 2 to start, drives the suction head and the pressure head assembly 6 to move to the position of the fingerprint chip carrier 16, the air cylinder 4 moves downward, the suction device of the suction head and the pressure head assembly 6 contacts the chip and applies appropriate pressure; the chip is firmly sucked through the adsorption function.

[0045] 3. Horizontal movement stage: after the suction head and the pressure head assembly 6 adsorb the fingerprint chip, the motor 1 controls the transverse module 2 to drive the suction head and the pressure head assembly 6 along the horizontal track, and moves the chip from the position of the fingerprint chip carrier 16 to the assembly position of the middle frame carrier 18.

[0046] ​4. Vertical pressing stage: the suction head and the pressure head assembly 6 move above the middle frame carrier 18, the electric control system controls the cylinder 4 to start, and drives the suction head and the pressure head assembly 6 to move downward. The suction head and the pressure head assembly 6 apply a set pressure in the vertical direction, and press the chip into the middle frame accurately. During the pressing process, the cylinder 4 controls the pressure accurately, and ensures that the chip and the middle frame are uniformly attached without damage or deviation.

[0047] 5. Complete pressing and reset: after the pressing is maintained for a set time, the cylinder 4 moves upward, the suction head and the pressure head assembly 6 are separated from the middle frame carrier 18, and the horizontal moving module 2 drives the suction head and the pressure head assembly 6 to return to the original position.

[0048] The operator takes out the assembled product from the middle frame carrier 18, checks the pressing effect, and if the pressing is normal, the product enters the next process; if the pressing is found to be poor, the product is placed in the repair area for processing.

[0049] 6. Safety protection function: the protective cover covers the moving area of the horizontal moving module 2, the cylinder 4 and the suction head and the pressure head assembly 6, prevents the operator from touching the moving parts during the operation of the equipment, the electric control system is equipped with an emergency stop switch, and in an emergency, the equipment operation can be quickly stopped to ensure the operation safety.

[0050] If any abnormal situation occurs during use, such as looseness, abnormal sound, etc., the device should be stopped immediately, and the device should be checked and maintained comprehensively. Whether the screws are loose, whether the accessories are damaged, and the parts are repaired or replaced in time to ensure that the device can be used normally and safely.

[0051] The above is only the preferred embodiment of the present application, and it should be pointed out that for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the present application, and these improvements and refinements should also be regarded as the protection range of the present application.

Claims

1. A compression fixture for assembling an under-display fingerprint chip, the compression fixture comprising: The utility model relates to a fingerprint chip carrier (16) and middle frame carrier (18) are installed and fixed on the bearing bottom plate (10), the middle frame carrier (18) is installed around the fingerprint chip carrier (16) and both are located on the same straight line, the horizontal movement of the horizontal movement module (2) is driven by the motor (1) connected with the horizontal movement module (2), the vertical movement of the suction head and the pressure head assembly (6) is driven by the cylinder (4) installed on the horizontal movement module (2), and the vertical adsorption and pressing of the fingerprint chip are realized.

2. The compression fixture for assembling an under-screen fingerprint chip according to claim 1, wherein, The fingerprint chip carrier (16) is used for fixing the fingerprint chip, and screw holes are arranged at four corners of the fingerprint chip carrier (16) and fixed with the bearing bottom plate (10). The middle frame carrier (18) is used for positioning and fixing the middle frame, and the middle frame carrier (18) comprises a positioning bottom plate (14) and a limiting block (15), the positioning bottom plate (14) is fixed with the bearing bottom plate (10), and the limiting block (15) is arranged around the positioning bottom plate (14) and is used for adapting to middle frames of different sizes.

3. The compression tool for assembling an under-screen fingerprint chip according to claim 2, wherein, The fingerprint chip carrier (16) is provided with a profiling groove, and different models of fingerprint chips can be accurately fixed.

4. The compression tool for assembling an under-screen fingerprint chip according to claim 1, wherein, The horizontal movement module (2) is fixed on the bearing bottom plate (10) through an L-shaped connecting block (11), and the movement range of the horizontal movement module (2) covers the fingerprint chip carrier (16) and the middle frame carrier (18), the cylinder (4) is installed on the horizontal movement module (2) through a cylinder connecting block (3), and the lower end of the cylinder (4) is connected with the suction head and the pressure head assembly (6) through a suction head and pressure head fixing plate (5).

5. The compression tool for assembling an under-screen fingerprint chip according to claim 1, wherein, The motor (1) is fixed on a motor bearing plate (12), and the output shaft of the motor (1) is connected with the horizontal movement module (2) through a shaft coupling, so that the horizontal movement module (2) is driven to move in the horizontal direction.

6. The compression tool for assembling an under-screen fingerprint chip according to claim 1, wherein, The control panel is provided on the electric control box (13), the control panel is provided with double start buttons (9), a touch all-in-one machine (7) and an emergency stop switch (8), the double start buttons (9) are used for starting the jig operation, the touch all-in-one machine (7) is used for setting the adsorption position and pressing time of the suction head and the pressure head assembly, and the emergency stop switch (8) is used for stopping the operation of the jig in an emergency.

7. The compression tool for assembling an under-screen fingerprint chip according to claim 1, wherein, A protective cover is arranged above the jig body, the bottom of the protective cover is fixed on both sides of the bearing bottom plate (10), the protective cover is made of a sheet metal frame (17), and the coverage range of the protective cover includes the working areas of the horizontal movement module (2), the cylinder (4) and the suction head and pressure head assembly (6).

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