A tooling fixture for HUD backlight source

Abstract

The utility model provides a fixture for HUD backlight source, including a base, a fixed cover, a sensor group and a controller; the base includes a bottom plate, a movable plate and two support seats, the support seats are respectively arranged on both sides of the bottom plate, a mounting port is arranged on the movable plate, and a clamping seat and two fixing columns are arranged on the top surfaces of the two support seats; the fixed cover is respectively provided with a press-type hook at the positions corresponding to the clamping seat on both sides of the bottom, the press-type hook is clamped on the clamping seat, the fixed cover is provided with a plurality of spring ejectors and a plurality of guide columns, the guide columns penetrate the fixed cover, and guide holes are arranged along the length direction of the guide columns; the sensor group includes an upper sensor and a lower sensor, the upper sensor is fixed on the top of the base through a bracket, and the lower sensor is arranged on the upper surface of the bottom plate. The utility model is a fixture for HUD backlight source with simple structure and convenient operation, which improves the stability and repeated positioning accuracy of the fixture, greatly reduces the contrast defect rate of HUD, shortens the operation time, and improves the production quality and efficiency.

Description

Technical Field

[0001] The utility model relates to the field of tooling fixtures, in particular to a tooling fixture for a HUD backlight source. Background Art

[0002] The car HUD (Head-up-Display), the full name of the car head-up display system, projects the information to be displayed onto the transparent medium in front of the driver, that is, the car windshield water, so that some vehicle information is displayed on the windshield, so that the user no longer needs to look down at the dashboard, thereby improving driving safety.

[0003] In the current HUD production and assembly process, traditional fixtures are used to fix the positions of various components of the HUD backlight source. Figure 1 The figure shows an existing tooling fixture 100', which includes a base 1', a fixing cover 2' and a tooling quick clamp 3', and the operation steps are: place the various components of the HUD backlight source 200 on the base 1', cover the fixing cover 2', press the handle of the tooling quick clamp 3' by hand, so that the pressure head of the tooling quick clamp 3' presses the components of the HUD backlight source 200, so that the components of the HUD backlight source 200 are fixed on the base 1', after visually confirming the positions of the various components of the HUD backlight source 200, finally fix the product screws to complete the assembly of the components of the HUD backlight source 200.

[0004] However, the existing fixtures have the following problems:

[0005] 1. Due to the deviation of component size, the HUD contrast is poor by 2%.

[0006] 2. Visually judge whether the positions of various components of the HUD backlight source are accurate, which takes a long time and has low efficiency.

[0007] 3. The structure of the fixture is complex, and the manual fixture quick clamp is not easy to operate. Summary of the invention

[0008] The technical problem to be solved by the utility model is to provide a HUD backlight source fixture with a simple structure and easy operation, which improves the stability and repeated positioning accuracy of the fixture, greatly reduces the contrast defect rate of the HUD, shortens the operation time, and improves the production quality and efficiency.

[0009] The utility model is implemented as follows: a tooling fixture for a HUD backlight source, comprising:

[0010] A base, comprising a bottom plate, a movable plate and two support seats, wherein the support seats are respectively arranged on both sides of the bottom plate, the movable plate can be flipped and arranged between the two support seats, the movable plate is provided with a mounting opening, and the top surfaces of the two support seats are provided with a clamping seat and two fixing columns;

[0011] A fixed cover, wherein two sides of the bottom of the fixed cover are provided with a push-type hook at positions corresponding to the card seat, the push-type hook is clamped on the card seat, the fixed cover is provided with a fixing hole at a position corresponding to the fixing column, the fixed cover is provided with a plurality of spring ejectors and a plurality of guide columns, the guide columns penetrate the fixed cover, and guide holes are provided along the length direction of the guide columns;

[0012] a sensor group, comprising an upper sensor and a lower sensor, wherein the upper sensor is fixed above the base through a bracket and is used to sense the top surface of the HUD backlight source, and the lower sensor is arranged on the upper surface of the bottom plate and is used to sense the bottom surface of the HUD backlight source;

[0013] A controller is communicatively connected to the upper sensor and the lower sensor.

[0014] Furthermore, a handle is provided at each end of the fixed cover.

[0015] Furthermore, a limiting block is provided on one side of the bottom plate corresponding to the movable plate.

[0016] Furthermore, a plurality of rollers are provided at the bottom of the base plate.

[0017] Furthermore, the upper sensor and the lower sensor are both position sensors.

[0018] Furthermore, the controller is also connected to control a sensor light.

[0019] Furthermore, the press-type hook includes a pressing portion and a hook portion, the base includes a hook hole, and the hook portion is locked in the hook hole of the base.

[0020] The advantages of the utility model are as follows: by arranging a press-type hook below the fixing cover and clamping it on the clamping seat, the fixing cover can be installed more conveniently and quickly; by arranging a spring ejector on the fixing cover, it can be automatically pressed on the component of the HUD backlight source, thereby improving the stability of the tooling fixture; by arranging a sensor group, it can be used to detect the bottom surface and the top surface of the HUD backlight source to judge whether the component position of the HUD backlight source is qualified, without visual judgment, thereby improving the positioning accuracy, greatly reducing the contrast defect rate of the HUD, and shortening the operation time with high efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below in conjunction with the embodiments with reference to the accompanying drawings.

[0022] Figure 1 It is a structural schematic diagram of a tooling fixture in the prior art.

[0023] Figure 2 It is a structural schematic diagram of the tooling fixture of the utility model.

[0024] Figure 3 This is a schematic diagram of the structure of the fixture base of the utility model.

[0025] Figure 4 This is a schematic diagram of the structure of the fixing cover of the tooling fixture of the utility model.

[0026] Figure 5 This is a schematic diagram of the structure of the tooling fixture of the utility model in use state.

[0027] Description of the accompanying figures: tooling fixture 100', base 1', fixed cover 2', tooling quick clamp 3', HUD backlight source 200, tooling fixture 100, base 1, bottom plate 11, movable plate 12, mounting port 121, support base 13, holder 14, holder hole 141, fixing column 15, limit block 16, roller 17, fixing cover 2, press-type hook 21, pressing portion 211, hook portion 212, fixing hole 22, spring ejector 23, guide column 24, guide hole 241, handle 25, sensor group 3, upper sensor 31, bracket 311, lower sensor 32, controller 4, induction light 41. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] like Figures 2 to 5 As shown, a fixture 100 of a HUD backlight source 200 includes a base 1, a fixing cover 2, a sensor group 3 and a controller 4.

[0030] The base 1 includes a bottom plate 11, a movable plate 12 and two support seats 13, wherein the support seats 13 are respectively arranged on both sides of the bottom plate 11, and the movable plate 12 can be flipped and arranged between the two support seats 13. The movable plate 12 is provided with a mounting port 121, and the components of the HUD backlight source 200 are placed in the mounting port 121. The top surfaces of the two support seats 13 are each provided with a clamping seat 14 and two fixing columns 15; the clamping seat 14 has a clamping hole 141, and a limit block 16 is provided on one side of the bottom plate 11 corresponding to the movable plate 12, which is used to limit the flipping angle of the movable plate 12, and a plurality of rollers 17 are also provided at the bottom of the bottom plate 11 to facilitate the movement of the tooling fixture 100.

[0031] The fixing cover 2 is provided with a push-type hook 21 at the positions corresponding to the card seat 14 on both sides of the bottom thereof, and the push-type hook 21 includes a pressing portion 211 and a hook portion 212. The hook portion 212 can be clamped in the clamping hole 141 of the card seat 14 in a normal state, and the hook portion 212 can be unhooked by pressing the pressing portion 211. The fixing cover 2 is provided with a fixing hole 22 at the position corresponding to the fixing column 15. The fixing cover 2 sleeves the fixing holes 22 on the fixing column 15 one by one, and the fixing cover 2 can be pressed downward to clamp the push-type hook 21 on the card seat 14, so that the fixing cover can be 2 is fixed to the base 1, and a plurality of spring ejectors 23 and a plurality of guide posts 24 are provided on the fixing cover 2. The spring ejectors 23 are automatically pressed on the components of the HUD backlight source 200 with a fixing force. The guide posts 24 penetrate the fixing cover 2, and guide holes 241 are provided along the length direction of the guide posts 24. The guide holes 241 correspond to the bolt holes of the components of the HUD backlight source 200. The screws pass through the guide holes 241 to fix the components of the HUD backlight source 200. A handle 25 is provided at each end of the fixing cover 2. The handles 25 are provided to facilitate taking and installing the fixing cover 2.

[0032] The sensor group 3 includes an upper sensor 31 and a lower sensor 32, both of which are position sensors. The upper sensor 31 is fixed above the base 1 by a bracket 311, and is used to sense the top surface of the HUD backlight source 200. The lower sensor 32 is arranged on the upper surface of the base plate 1, and is used to sense the bottom surface of the HUD backlight source 200; the controller 4 is communicatively connected to the upper sensor 31, the lower sensor 32 and the sensor light 41, and senses whether the top and bottom positions of the HUD backlight source 200 are qualified through the upper sensor 31 and the lower sensor 32, and displays a reminder to the staff through the sensor light 33.

[0033] Working principle: When the movable plate 12 of the base 1 is flipped to a horizontal state, the heat dissipation sheet metal 201, the backlight bracket 202 and the liquid crystal panel bracket 203 of the HUD backlight source 200 are placed on the mounting port 121 of the movable plate 12 in sequence, the movable plate 12 is flipped to an inclined state, and the flip angle of the movable plate 12 is limited by the limit block 16, and then the fixed cover 2 is installed on the base 1, and the fixing hole 22 is sleeved on the fixing column 15, and the fixed cover 2 is pressed downward to clamp the press-type hook 21 on the card seat 14, and the fixed cover 2 is fixed to the base 1. At this time, the spring ejector 23 automatically presses the top surface of the HUD backlight source 200, and the guide hole 241 of the guide column 24 corresponds to the HU D is located at the bolt hole of the HUD backlight source 200, and the upper sensor 31 and the lower sensor 32 automatically detect the top and bottom positions of the HUD backlight source 200 respectively, and determine whether the position of the HUD backlight source 200 is qualified through the controller 4. After the determination, the color displayed by the induction light 41 is used to remind the staff whether the installation position is qualified. If it is unqualified, the positions of the various components of the HUD backlight source 200 are readjusted. After it is qualified, the staff passes the screws through the guide holes 241 to fix the components of the HUD backlight source 200. After the assembly is completed, the pressing part of the press-type hook 21 is pressed to disengage the hook part from the base 14, and the fixing cover 2 is removed from the fixing column 15 upwards to remove the HUD backlight source 200.

[0034] The utility model provides a press-type hook 21 below the fixing cover 2 to be clamped on the clamping seat 14, so that the fixing cover 2 can be installed more conveniently and quickly; a spring ejector 23 is provided on the fixing cover 2, so that it can be automatically pressed on the component of the HUD backlight source 200, thereby improving the stability of the fixture 100; and a sensor group 3 is provided to detect the bottom surface and the top surface of the HUD backlight source 200, so as to judge whether the component position of the HUD backlight source 200 is qualified, without visual judgment, thereby improving the positioning accuracy, greatly reducing the contrast defect rate of the HUD (2%→0%), and shortening the operation time with high efficiency.

[0035] Although the specific implementation methods of the present invention are described above, those skilled in the art should understand that the specific embodiments described are only illustrative and are not intended to limit the scope of the present invention. Equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present invention should be included in the scope of protection of the claims of the present invention.

Claims

1. A fixture for a HUD backlight source, characterized in that: include A base, comprising a bottom plate, a movable plate and two support seats, wherein the support seats are respectively arranged on both sides of the bottom plate, the movable plate can be flipped and arranged between the two support seats, the movable plate is provided with a mounting opening, and the top surfaces of the two support seats are provided with a clamping seat and two fixing columns; A fixed cover, wherein two sides of the bottom of the fixed cover are provided with a push-type hook at positions corresponding to the card seat, the push-type hook is clamped on the card seat, the fixed cover is provided with a fixing hole at a position corresponding to the fixing column, the fixed cover is provided with a plurality of spring ejectors and a plurality of guide columns, the guide columns penetrate the fixed cover, and guide holes are provided along the length direction of the guide columns; a sensor group, comprising an upper sensor and a lower sensor, wherein the upper sensor is fixed above the base through a bracket and is used to sense the top surface of the HUD backlight source, and the lower sensor is arranged on the upper surface of the bottom plate and is used to sense the bottom surface of the HUD backlight source; A controller is communicatively connected to the upper sensor and the lower sensor.

2. The fixture for HUD backlight source according to claim 1, characterized in that: A handle is respectively provided at both ends of the fixed cover.

3. The fixture for HUD backlight source according to claim 2, characterized in that: A limiting block is arranged on one side of the bottom plate corresponding to the movable plate.

4. The fixture for HUD backlight source according to claim 3, characterized in that: A plurality of rollers are arranged at the bottom of the bottom plate.

5. The fixture for HUD backlight source according to claim 4, characterized in that: The upper sensor and the lower sensor are both position sensors.

6. The fixture for HUD backlight source according to claim 5, characterized in that: The controller is also connected to control an induction lamp.

7. The fixture for HUD backlight source according to claim 6, characterized in that: The press-type hook comprises a press portion and a hook portion, the clamping seat comprises a clamping hole, and the hook portion is clamped in the clamping hole of the clamping seat.

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