A combined instrument assembly process

Abstract

The present application relates to a kind of combined instrument assembly process, comprising the following steps: step one, paint is sprayed to backing plate, after painting is finished, baking is carried out, then backing plate is fixed by assembly table, the present application relates to instrument assembly technical field.The combined instrument assembly process, using the superposition mode of the same size broken code screen and color printing bottom film, add a 7-inch TFT color screen, make instrument similar pure TFT increase the display effect of color, also meet the demand of display content, but cost is greatly reduced, increase the performance-price ratio of product.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field, in particular to a combined instrument assembly process. BACKGROUND

[0002] ZB188M1 combined instrument is an electronic combined instrument, full-break code liquid crystal (color film) screen display, 7-inch color TFT screen is stacked below the large segment code screen, the instrument is based on the traditional instrument, the conventional display information such as engine speedometer, speedometer and conventional alarm indicator such as: OBD, charging and discharging, ABS, safety belt, EPB working, brake failure, EPB failure, oil pressure, tire pressure alarm, car alarm, water temperature alarm, safety airbag, fuel low alarm, door opening and other indicator lights are integrated into the color break code liquid crystal screen, 7-inch TFT screen mainly displays necessary driving information through virtual image flipping mode for fuel gauge, water temperature gauge, cruising range, speed, 100km average power consumption, driving system available maximum power, time, gear, outdoor temperature, sub mileage, total mileage, tire pressure, text prompt and alarm indicator;

[0003] Compared with the traditional instrument, it is more beautiful, practical, fast in reaction speed, and rich in display information, and different display styles can be selected according to different customers, so the full liquid crystal break code screen + TFT color screen instrument is the development trend of the industry, and more and more vehicle models are used.

[0004] The existing combined instrument pure TFT color liquid crystal display screen has high cost, and when producing, positioning is often needed, so the clamp needs to be replaced and calibrated to adapt to the positioning of different shell sizes, which is troublesome. SUMMARY

[0005] In view of the defects of the prior art, the present application provides a combined instrument assembly process, which solves the problems mentioned above.

[0006] To achieve the above purpose, the present application is realized by the following technical scheme: a combined instrument assembly process, comprising the following steps:

[0007] Step one, paint the lining plate, bake after painting, and then fix the lining plate through the assembly table;

[0008] Step two, check whether the corresponding PCB, SMT version and plug-in of the product are correct, assemble on the circuit board, and then weld the socket buckle into place and assemble on the lining plate;

[0009] Step three, detect the circuit board;

[0010] Step four, install the waterproof strip;

[0011] Step five, the middle sleeve, install the liquid crystal display screen, the circuit board and the middle sleeve are installed together, the middle sleeve buckle is installed in place, the TFT color screen flexible cable is passed through the middle sleeve and the circuit board via hole, then the circuit board positioning hole is aligned with the tool positioning column and placed in place, the 7-inch TFT color screen is fixed on the circuit board with 4 M3*8 cross head screws, the middle sleeve mounting hole is aligned with the tool positioning column and placed in place, the 7-inch TFT color screen and the large liquid crystal screen protective film are torn off, the air gun is used to clean them respectively, the large liquid crystal screen flexible cable is passed through the middle sleeve via hole, the left and right mounting pieces are respectively placed in the middle sleeve fixed position, and the large liquid crystal screen is fixed on the middle sleeve with 4 ST2.9*8 cross head screws, the TFT color screen flexible cable is passed through the middle sleeve via hole, the screw is fastened, the dust is removed, the large liquid crystal screen flexible cable is passed through the middle sleeve via hole, the left and right mounting pieces are placed in the middle sleeve fixed position, and the screw is fastened.

[0012] Step six, the burner connects the computer, the program is copied into the burner, the power supply of the burner is connected, the data line is connected with the circuit board burning interface, and the detection is carried out after the burning is completed.

[0013] Step seven, the table is sealed, and the finished product is obtained after detection.

[0014] As a further scheme of the application: in step five, when the middle sleeve is installed, the circuit board and the middle sleeve are installed together, the middle sleeve buckle is installed in place, the TFT color screen flexible cable is passed through the middle sleeve and the circuit board via hole, then the circuit board positioning hole is aligned with the tool positioning column and placed in place, the 7-inch TFT color screen is fixed on the circuit board with 4 M3*8 cross head screws, the middle sleeve mounting hole is aligned with the tool positioning column and placed in place, the 7-inch TFT color screen and the large liquid crystal screen protective film are torn off, the air gun is used to clean them respectively, the large liquid crystal screen flexible cable is passed through the middle sleeve via hole, the left and right mounting pieces are respectively placed in the middle sleeve fixed position, and the large liquid crystal screen is fixed on the middle sleeve with 4 ST2.9*8 cross head screws, the TFT color screen flexible cable is passed through the middle sleeve via hole, the screw is fastened, the dust is removed, the large liquid crystal screen flexible cable is passed through the middle sleeve via hole, the left and right mounting pieces are placed in the middle sleeve fixed position, and the screw is fastened.

[0015] As a further scheme of the application: in step one, when the instrument is fixed by the assembly table, self-adaptive positioning is carried out first, and then fixed.

[0016] As a further scheme of the present application: when self-adapting positioning is performed in step one, the pressing plate is lifted, at this time the adaptive rods are in a non-fixed state, then the instrument is fixed in the fixed position, and then the driving cylinder is started to drive the limiting plate and the top plate to move forward, at this time the ball head at the end of the adaptive rod abuts against the surface of the instrument, then with the movement of the moving rod, the adaptive rod extrudes the top spring to contract, and after moving forward to a certain distance, at this time all the adaptive rods abut against the instrument, then the driving cylinder is started to drive the pressing plate to move downward, and through the top wire extending into the through groove, the adaptive rods are fixed by being pressed, the clamp can be quickly self-adapted and adjusted according to the surface size of the instrument, the operation is simple and convenient to use, when different instruments are processed, different clamps need not to be replaced, and the clamp can be adjusted to the adaptive state only by one extension stroke, and the fixing effect is better.

[0017] As a further scheme of the present application: when the instrument is fixed in step one, the instrument is placed above the fixed seat between the adaptive rods and the blocking rods, then the cylinder drives the moving plate to retract, and the blocking rods slide in the empty groove, at this time the inclined plate moves to abut against the inclined surface, the inclined plate is continuously pushed up by the inclined surface, drives the blocking rods to move forward from the empty groove, and pushes the side of the instrument, at this time the limiting plate is extended under the driving of the moving rod, drives the adaptive rods to extend and limit the instrument.

[0018] As a further scheme of the present application: one end of the adaptive rod is fixedly connected with a ball head, through the surface curved surface design of the ball head, the ball head can be more effectively contacted with the instrument shell.

[0019] The assembly table comprises a fixed seat, one side of the fixed seat is driven by a power device to have a moving rod, one end of the moving rod is fixedly connected with a limiting plate and a top plate respectively, the inner cavity of the limiting plate is slidably connected with an adaptive rod, one end of the adaptive rod is fixedly connected with a ball head, the surface of the ball head is designed to be curved, which can more effectively contact the instrument shell, one end of the adaptive rod is sleeved with a top spring, one end of the adaptive rod is fixedly connected with a sleeve plate abutting against one end of the top spring, one end of the top spring is fixedly connected with one side of the sleeve plate, the adaptive rod is provided in plurality and is uniformly distributed in the inner cavity of the limiting plate, the top of the limiting plate is fixedly connected with a driving cylinder, one end of the driving cylinder piston rod is fixedly connected with a pressing plate, the bottom of the pressing plate is fixedly connected with a jackscrew, the surface of the limiting plate is provided with a through groove above the adaptive rod, one end of the jackscrew penetrates through the through groove and extends into the inner cavity of the limiting plate, the bottom end of the jackscrew abuts against the surface of the adaptive rod, and the bottom end of the jackscrew is provided with an inner groove which is clamped with the surface of the adaptive rod, when different instruments are assembled, the pressing plate is first lifted, at this time, the adaptive rod is in a non-fixed state, then the instrument is fixed at a fixed position, the driving cylinder is started to drive the limiting plate and the top plate to move forward, at this time, the ball head at the end of the adaptive rod abuts against the surface of the instrument, then, with the movement of the moving rod, the adaptive rod extrudes the top spring to shrink, and after moving forward to a certain distance, all the adaptive rods abut against the instrument, then the driving cylinder is started to drive the pressing plate to move downward, the jackscrew extends into the through groove to fix the adaptive rod, the clamp can be quickly self-adaptively adjusted according to the surface size of the instrument, the operation is simple and the use is convenient, when different instruments are processed, different clamps do not need to be replaced, the clamp can be adjusted to an adaptive state only by one extension stroke, the fixing effect is better, one side of the fixed seat is fixedly connected with a limiting box, the inner cavity of the limiting box is slidably connected with a moving plate driven by a cylinder, the inner cavity of the moving plate is slidably connected with a blocking rod, the inner cavity of the limiting box is provided with an empty slot for the blocking rod to penetrate, the bottom of the limiting box is provided with an inclined surface, and the bottom end of the blocking rod is fixedly connected with an inclined plate abutting against the surface of the inclined surface, when the cylinder drives the moving plate to retract, the blocking rod slides in the empty slot at this time, the inclined plate moves to abut against the inclined surface, the inclined plate is continuously lifted by the pushing of the inclined surface, and drives the blocking rod to rise and move forward from the empty slot, which can conveniently fix the instrument, when the fixing is cancelled, the cylinder drives the moving plate to extend, drives the blocking rod to reset and move backward while descending, which can quickly cancel the shielding of the instrument, and the surface of the fixed seat is slidably connected with a side rod driven by a motor, and the side rod can be extended to limit the side of the instrument.

[0020] Compared with the prior art, the present application has the following advantages:

[0021] 1. The application adopts the superimposed mode of the same size code screen and the color printing bottom film, adds a 7-inch TFT color screen, makes the instrument similar to pure TFT, increases the color display effect, meets the display content demand, greatly reduces the cost, and increases the performance price ratio of the product.

[0022] 2. The application quickly adjusts the clamp according to the surface size of the instrument, is simple to operate and convenient to use, does not need to replace different clamps when processing different instruments, and can adjust the clamp to an adaptive state through one-time extension stroke, so that the fixing effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 The structure schematic view of the assembly table of the application;

[0024] Figure 2 The local enlarged view of A in the application; Figure 1

[0025] Figure 3 The structure schematic view of the limiting box of the application;

[0026] Figure 4 The working state structure schematic view of the limiting box of the application.

[0027] In the figure: 1, fixed seat; 2, limiting box; 3, moving rod; 4, limiting plate; 5, top plate; 6, driving cylinder; 7, pressing plate; 8, jackscrew; 9, through groove; 10, adaptive rod; 11, ball head; 12, sleeve plate; 13, top spring; 14, side rod; 15, empty slot; 16, blocking rod; 17, moving plate; 18, inclined plate; 19, inclined surface. DETAILED DESCRIPTION

[0028] In order to further illustrate the technical means and effects adopted by the application to achieve the predetermined application purpose, the specific embodiments, structures, features and effects according to the application are described in detail as follows in combination with the drawings and preferred embodiments.

[0029] Please refer to Figures 1-4 The application provides a technical solution: a combined instrument assembly process, including the following steps:

[0030] Step one, paint the lining plate, bake after painting, and then fix the lining plate through the assembly table;

[0031] Step two, check whether the corresponding PCB, SMT version and plug-in of the product are correct, assemble on the circuit board, assemble the socket buckle in place, then weld and form to assemble on the lining plate;

[0032] Step three, detect the circuit board;

[0033] ​Step four, install waterproof strip;

[0034] Step five, install the middle sleeve, install the liquid crystal display screen, and install the circuit board with the middle sleeve. The middle sleeve buckle is installed in place. The TFT color screen flexible cable is passed through the middle sleeve and the circuit board via hole. Then, the circuit board positioning hole is aligned with the tool positioning column and placed in position. Four M3*8 cross head screws are used to fix the 7-inch TFT color screen on the circuit board. The middle sleeve mounting hole is aligned with the tool positioning column and placed in position. The 7-inch TFT color screen and the large liquid crystal screen protective film are torn off. The air gun is used to clean them respectively. The large liquid crystal screen flexible cable is passed through the middle sleeve via hole. The left and right mounting pieces are respectively placed in the middle sleeve fixed position. Four ST2.9*8 cross head screws are used to fix the large liquid crystal screen on the middle sleeve. The TFT color screen flexible cable is passed through the middle sleeve via hole. The screw is tightened. The large liquid crystal screen flexible cable is passed through the middle sleeve via hole. The left and right mounting pieces are placed in the middle sleeve fixed position. The screw is tightened.

[0035] Step six, connect the computer to the burner. Copy the program into the burner. Connect the data line to the circuit board burning interface. After burning, detect.

[0036] Step seven, seal the table. After detection, get the finished product.

[0037] In step five, when installing the middle sleeve and the liquid crystal display screen, the circuit board is installed with the middle sleeve. The middle sleeve buckle is installed in place. The TFT color screen flexible cable is passed through the middle sleeve and the circuit board via hole. Then, the circuit board positioning hole is aligned with the tool positioning column and placed in position. Four M3*8 cross head screws are used to fix the 7-inch TFT color screen on the circuit board. The middle sleeve mounting hole is aligned with the tool positioning column and placed in position. The 7-inch TFT color screen and the large liquid crystal screen protective film are torn off. The air gun is used to clean them respectively. The large liquid crystal screen flexible cable is passed through the middle sleeve via hole. The left and right mounting pieces are respectively placed in the middle sleeve fixed position. Four ST2.9*8 cross head screws are used to fix the large liquid crystal screen on the middle sleeve. The TFT color screen flexible cable is passed through the middle sleeve via hole. The screw is tightened. The large liquid crystal screen flexible cable is passed through the middle sleeve via hole. The left and right mounting pieces are placed in the middle sleeve fixed position. The screw is tightened.

[0038] In step one, when the instrument is fixed by the assembly table, self-adaptive positioning is performed first, and then fixed.

[0039] In step one, when the self-adaptive positioning is carried out, the pressing plate 7 is lifted, and the adaptive rod 10 is in a non-fixed state. Then, the instrument is fixed in the fixed position, and the driving cylinder 6 is started to drive the limiting plate 4 and the top plate 5 to move forward. At this time, the ball head 11 at the end of the adaptive rod 10 abuts against the surface of the instrument. Then, with the movement of the moving rod 3, the adaptive rod 10 extrudes the top spring 13 to shrink. After moving forward to a certain distance, all the adaptive rods 10 abut against the instrument. Then, the driving cylinder 6 is started to drive the pressing plate 7 to move downward. The top wire 8 extends into the through slot 9 to fix the adaptive rod 10. The clamp can be quickly self-adaptively adjusted according to the surface size of the instrument. The operation is simple and convenient. When different instruments are processed, different clamps do not need to be replaced. Only once the extension stroke is needed to adjust the clamp to the adaptive state. The fixing effect is better.

[0040] In step one, when the instrument is fixed, the instrument is placed above the fixed seat 1 between the adaptive rod 10 and the stop rod 16. Then, the cylinder drives the moving plate 17 to retract, and the stop rod 16 slides in the empty slot 15. At this time, the inclined plate 18 moves and abuts against the inclined surface 19. The inclined plate 18 is continuously pushed up by the inclined surface 19, which drives the stop rod 16 to move forward from the empty slot 15 and push the side of the instrument. At this time, the limiting plate 4 is extended under the drive of the moving rod 3 to drive the adaptive rod 10 to extend and limit the instrument.

[0041] In step one, one end of the adaptive rod 10 is fixedly connected with the ball head 11. Through the surface curved surface design of the ball head 11, the instrument shell can be more effectively contacted.

[0042] The assembly table comprises a fixed seat 1, one side of the fixed seat 1 is driven by a power device to have a moving rod 3, one end of the moving rod 3 is respectively fixedly connected to a limiting plate 4 and a top plate 5, the inner cavity of the limiting plate 4 is slidably connected to an adaptive rod 10, one end of the adaptive rod 10 is fixedly connected to a ball head 11, the surface of the ball head 11 is designed to be curved, which can more effectively contact the instrument shell, one end of the adaptive rod 10 is sleeved with a top spring 13, one end of the adaptive rod 10 is fixedly connected to a sleeve plate 12 which is abutted with one end of the top spring 13, one end of the top spring 13 is fixedly connected to one side of the sleeve plate 12, the adaptive rod 10 is provided with a plurality of adaptive rods 10 which are uniformly distributed in the inner cavity of the limiting plate 4, the top of the limiting plate 4 is fixedly connected to a drive cylinder 6, one end of the piston rod of the drive cylinder 6 is fixedly connected to a pressing plate 7, the bottom of the pressing plate 7 is fixedly connected to a top screw 8, the surface of the limiting plate 4 is provided with a through groove 9 which is located above the adaptive rod 10, one end of the top screw 8 penetrates through the through groove 9 and extends into the inner cavity of the limiting plate 4, the bottom end of the top screw 8 is abutted with the surface of the adaptive rod 10, the bottom end of the top screw 8 is provided with an inner groove which is connected with the surface of the adaptive rod 10, in use, when different instruments are assembled, the pressing plate 7 is first lifted, at this time the adaptive rod 10 is in a non-fixed state, then the instrument is fixed at a fixed position, the drive cylinder 6 is started to drive the limiting plate 4 and the top plate 5 to move forward, at this time the ball head at the end of the adaptive rod 10 is abutted with the surface of the instrument, then with the movement of the moving rod 3, the adaptive rod 10 extrudes the top spring 13 to shrink, after moving forward to a certain distance, at this time all the adaptive rods 10 are abutted with the instrument, then the drive cylinder 6 is started to drive the pressing plate 7 to move downward, the top screw 8 extends into the through groove 9 to fix the adaptive rod 10, the fixture can be quickly self-adapted to the size of the surface of the instrument, the operation is simple and convenient to use, when different instruments are processed, different fixtures do not need to be replaced, only one extension stroke is needed to adjust the fixture to the adaptive state, the fixing effect is better, one side of the fixed seat 1 is fixedly connected to a limiting box 2, the inner cavity of the limiting box 2 is slidably connected to a moving plate 17 which is driven by a cylinder, the inner cavity of the moving plate 17 is slidably connected to a blocking rod 16, the inner cavity of the limiting box 2 is provided with an empty slot 15 for the blocking rod 16 to penetrate, the bottom of the limiting box 2 is provided with an inclined surface 19, the bottom end of the blocking rod 16 is fixedly connected to an inclined plate 18 which is abutted with the surface of the inclined surface 19, in use, when the cylinder drives the moving plate 17 to retract, at this time the blocking rod 16 is pulled to slide in the empty slot 15, at this time the inclined plate 18 moves to abut with the inclined surface 19, the inclined plate 18 is continuously lifted by the pushing of the inclined surface 19, drives the blocking rod 16 to lift and move forward from the empty slot 15, which can conveniently fix the instrument, when the fixation is cancelled, the cylinder drives the moving plate 17 to extend, drives the blocking rod 16 to reset and move backward, which can quickly cancel the shielding of the instrument, the surface of the fixed seat 1 is slidably connected to a side rod 14 which is driven by a motor, the side of the instrument is limited by the telescopic side rod 14.

[0043] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application in any form. Although the present application has been disclosed with the preferred embodiments as above, it is not intended to limit the present application. Any person skilled in the art can make some changes or modifications to the above disclosed technical content to obtain equivalent embodiments with equivalent changes, as long as the changes or modifications do not deviate from the technical solution of the present application. Any modification, change, equivalent change and modification of the above embodiments made according to the technical essence of the present application still belong to the scope of the technical solution of the present application.

Claims

1. A modular instrument assembly process, characterized in that: Includes the following steps: Step 1: Spray paint the lining plate, bake it after spraying, and then fix the lining plate in place using the assembly table. Step 2: Check if the PCB, SMT version and components of the product are correct, install it on the circuit board, assemble the socket clips in place, and then solder it into shape before assembling it onto the backing plate. Step 3: Inspect the circuit board; Step 4: Install the waterproof strip; Step 5: Install the upper sleeve and the LCD screen; Step 6: Connect the programmer to the computer, copy the program into the programmer, turn on the programmer power, connect the data cable to the programming interface of the circuit board, and perform testing after programming is completed. Step 7: Seal the form and, after inspection, obtain the finished product; In step five, when installing the LCD screen, install the circuit board and the middle sleeve together, ensuring the middle sleeve clips are in place. Pass the TFT color screen flexible cable through the through holes in the middle sleeve and circuit board, then align the positioning holes of the circuit board with the positioning posts of the fixture and place it in position. Use four M3*8 Phillips head screws to fix the 7-inch TFT color screen to the circuit board. Align the mounting holes of the middle sleeve with the positioning posts of the fixture and place it in position. Remove the protective films from both the 7-inch TFT color screen and the large LCD screen, and clean them with an air gun. Then, pass the large LCD screen flexible cable through the through holes in the middle sleeve, and place the left and right mounting pieces into the middle sleeve fixing positions. Use four ST2.9*8 Phillips head screws to fix the large LCD screen to the middle sleeve. Pass the TFT color screen flexible cable through the through holes in the middle sleeve, tighten the screws, clean the dust, pass the large LCD screen flexible cable through the through holes in the middle sleeve, place the left and right mounting pieces into the middle sleeve fixing positions, and tighten the screws. In step one, when fixing the instrument using the assembly table, first perform adaptive positioning, and then fix it. When performing adaptive positioning in step one, the pressure plate (7) is raised. At this time, the adapter rod (10) is in a non-fixed state. Then, after fixing the instrument in a fixed position, the drive cylinder (6) is started to drive the limit plate (4) and the top plate (5) to move forward. At this time, the ball head at the end of the adapter rod (10) abuts against the surface of the instrument. Then, as the moving rod (3) moves, the adapter rod (10) compresses the top spring (13) to retract. After moving forward a certain distance, all the adapter rods (10) abut against the instrument. Then, the drive cylinder (6) is started to drive the pressure plate (7) to move downward. The plate extends into the through groove (9) through the top screw (8) to hold the adapter rod (10) in place. When fixing the instrument in step one, the instrument is placed above the fixed base (1) between the adapter rod (10) and the stop rod (16). Then the cylinder drives the moving plate (17) to retract and pulls the stop rod (16) to slide in the empty groove (15). At this time, the inclined plate (18) moves and abuts against the inclined surface (19). The inclined plate (18) is pushed by the inclined surface (19) and rises continuously, driving the stop rod (16) to rise and move forward from the empty groove (15). It pushes one side of the instrument. At the same time, the limiting plate (4) extends under the drive of the moving rod (3) and drives the adapter rod (10) to extend and limit the instrument. In step one, a ball head (11) is fixedly connected to one end of the adapter rod (10).

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