Probe type display screen lightening device

Abstract

The invention discloses a probe type display screen lightening device. The probe type display screen lightening device comprises an adjustable universal jig, a needle die, a two-dimensional adjusting mechanism, a rotary crimping mechanism and an optical microscope, the workbench is installed on the rack, the included angle between the working face of the workbench and the horizontal plane is alpha, and alpha is larger than 0 degree and smaller than 90 degrees; the adjustable universal jig is installed on the workbench, the rotary crimping mechanism is installed on the workbench on one side of the adjustable universal jig, the needle die is installed on the rotary crimping mechanism, and the needle die can rotate under rotation of the rotary crimping mechanism and is crimped on a display screen located on the adjustable universal jig. The crimping surface of the needle die is provided with a probe which is used for being connected with a PIN of a connector of a display screen in a crimping manner. The two-dimensional adjusting mechanism is installed on the rack above the workbench, and the optical microscope is installed on the two-dimensional adjusting mechanism. According to the invention, automatic alignment of the PIN of the connector of the display screen and the probe on the probe die can be realized, and the device is suitable for display screens of different models.

Description

Technical Field

[0001] The present invention relates to the technical field of LCM display module processing equipment, and in particular to a probe type display screen lighting device. Background Art

[0002] At present, the known method of lighting up the existing LCD screen is to manually plug the EDP coaxial line into the connector port. With the development of automation technology, this plugging method is only suitable for semi-automatic equipment and requires an operator. At the same time, corresponding to different models of display screens, a large number of types and quantities of EDP coaxial lines are required. The current operation method requires manual operation and consumes a lot of coaxial lines. It also takes a lot of time to change the model, which greatly affects the production capacity. Summary of the invention

[0003] In order to solve the technical problems existing in the background technology, the present invention provides a probe type display screen lighting device.

[0004] The present invention provides a probe-type display screen lighting device, comprising: an adjustable universal fixture, a needle mold, a two-dimensional adjustment mechanism, a rotary crimping mechanism and an optical microscope;

[0005] The workbench is installed on the frame, and the angle between the working surface of the workbench and the horizontal plane is α, and α is greater than 0 and less than 90°; the adjustable universal jig is installed on the workbench, the rotary crimping mechanism is installed on the workbench on one side of the adjustable universal jig, and the needle mold is installed on the rotary crimping mechanism. The needle mold can be rotated and crimped on the display screen located on the adjustable universal jig under the rotation of the rotary crimping mechanism, and a probe for crimping and conducting with the PIN pin of the connector of the display screen is provided on the crimping surface of the needle mold;

[0006] The two-dimensional adjustment mechanism is installed on a frame above the workbench, the optical microscope is installed on the two-dimensional adjustment mechanism, and the optical microscope can move horizontally and vertically under the adjustment of the two-dimensional adjustment mechanism.

[0007] Preferably, the rotary crimping mechanism comprises: a rotary drive assembly, a needle mold mounting bracket, a needle mold mounting plate and a crank connecting rod assembly, the needle mold mounting bracket is mounted on a workbench above the adjustable universal fixture, one end of the needle mold mounting plate is hinged to the needle mold mounting bracket, the needle mold is mounted on the other end of the needle mold mounting plate, and the needle mold faces the adjustable universal fixture;

[0008] The rotary drive assembly is installed on a workbench above the needle mold mounting bracket, one end of the crank connecting rod assembly is fixed to the rotating shaft of the rotary drive assembly, and the other end of the crank connecting rod assembly is hinged to the middle of the needle mold mounting plate.

[0009] Preferably, the rotary drive assembly comprises one of a motor and a rotary cylinder.

[0010] Preferably, the two-dimensional adjustment mechanism includes a vertical sliding assembly slidably arranged on the frame in the vertical direction and a transverse sliding assembly slidably arranged on the vertical sliding assembly in the transverse direction, a first locking assembly for enabling the vertical sliding assembly and the frame to slide and be fixed relative to each other is connected between the vertical sliding assembly and the frame, a second locking assembly for enabling the transverse sliding assembly and the vertical sliding assembly to slide and be fixed relative to each other is connected between the transverse sliding assembly and the vertical sliding assembly, and the optical microscope is mounted on the transverse sliding assembly.

[0011] Preferably, the first locking assembly and the second locking assembly are both air cylinders, hydraulic cylinders or electric push rods with locking structures.

[0012] Preferably, the adjustable universal jig comprises a jig body, two transverse guide rails, two first sliders, a second slider, a longitudinal guide rail, a first fine-tuning assembly, a second fine-tuning assembly, a first positioning assembly, and a second positioning assembly;

[0013] The two transverse guide rails are arranged in the transverse direction, and the two transverse guide rails are arranged on the working surface of the workbench in sequence along the longitudinal direction at intervals; the two first slide blocks are slidably arranged on the two transverse guide rails respectively; the longitudinal guide rail is arranged in the longitudinal direction, and the two ends of the longitudinal guide rail are fixedly connected to the two first slide blocks respectively; the second slide block is slidably arranged on the longitudinal guide rail, and the bottom of the fixture body is fixedly connected to the top of the second slide block;

[0014] The first fine-tuning assembly is connected between the workbench and the longitudinal guide rail, and is used to perform transverse fine-tuning on the workbench and the longitudinal guide rail; the first positioning assembly is arranged on the workbench on one side of the longitudinal guide rail, and is used to relatively fix the longitudinal guide rail and the workbench after fine-tuning;

[0015] The second fine-tuning component is connected between the jig body and the workbench, and is used to perform longitudinal fine-tuning on the jig body and the workbench; the second positioning component is arranged on the workbench on one side of the jig body, and is used to relatively fix the jig body and the workbench after longitudinal fine-tuning.

[0016] Preferably, the first fine-tuning assembly comprises two return springs and a first fine-tuning drive mechanism;

[0017] A fixing plate is connected between the first end of each transverse guide rail and the workbench, and each return spring is connected between the two fixing plates and the corresponding first sliding block in a one-to-one correspondence;

[0018] The longitudinal guide rail has an extension portion extending longitudinally from the fixture body. The drive mechanism is installed on a workbench below the fixture body and is located on the side of the longitudinal guide rail facing away from the fixed plate. The drive end of the drive mechanism can move laterally and is used to abut against the extension portion of the longitudinal guide rail.

[0019] Preferably, the second fine-tuning assembly comprises a first L-shaped plate and a second fine-tuning drive mechanism; the second fine-tuning drive mechanism is mounted on a workbench located on a side of the fixture body facing away from the fixed plate, and a drive end of the second fine-tuning drive mechanism can move longitudinally;

[0020] The vertical plate of the first L-shaped plate is fixedly connected to a side wall of the fixture body facing away from the fixed plate, and the horizontal plate of the first L-shaped plate is always located on the adjustment stroke of the driving end of the second fine-tuning driving mechanism.

[0021] Preferably, the second positioning assembly comprises a third L-shaped plate, a second bolt, a third connecting rod and a fixing block, the third L-shaped plate is located on a workbench on a side of the fixture body facing the fixing plate, and the vertical plate of the third L-shaped plate is fixedly connected to the fixture body, and the bottom plate of the third L-shaped plate is provided with a second strip-shaped through hole extending in the longitudinal direction, and the second strip-shaped through hole is used for the front end of the second bolt to pass through;

[0022] The third connecting rod is fixed between the two first sliding blocks, the fixed block is fixed on the third connecting rod, and the fixed block is located below the bottom plate of the third L-shaped plate, and a second threaded hole for threaded connection with a second bolt is opened at a position corresponding to the fixed block and the second strip through hole; the front end of the second bolt passes through the second strip through hole and is threadedly connected to the second threaded hole to fix the fixture body on the first sliding block.

[0023] Preferably, the first positioning assembly includes a second L-shaped plate and a first bolt, the second L-shaped plate is located on a workbench below the fixture body, and the vertical plate of the second L-shaped plate is fixedly connected to the adjacent first sliding block, and the bottom plate of the second L-shaped plate is provided with a first strip-shaped through hole extending in the transverse direction, and the first strip-shaped through hole is used for the front end of the first bolt to pass through;

[0024] A first threaded hole for threaded connection with a first bolt is opened at a position corresponding to the first strip through hole on the workbench. The front end of the first bolt passes through the first strip through hole and is threadedly connected with the first threaded hole to fix the bottom plate of the second L-shaped plate on the workbench.

[0025] Preferably, a transverse adjustment mechanism is also connected between the rotary crimping mechanism and the workbench, and the transverse adjustment mechanism is used to drive the rotary crimping mechanism to move transversely along the workbench.

[0026] Preferably, α is greater than 0 and less than 60°.

[0027] Preferably, α is 30°.

[0028] In the present invention, the proposed probe-type display screen lighting device adjusts the position of the optical microscope through a two-dimensional adjustment mechanism, so that the optical microscope can accurately check whether the PIN pin of the connector of the display screen and the probe on the needle mold are accurately aligned, so that when it is not accurate, the adjustable universal fixture can adjust the position of the display screen, thereby realizing the automatic alignment of the PIN pin of the connector of the display screen and the probe on the needle mold. Moreover, the probe-type contact conduction can effectively avoid the risk of electric shock to the product caused by alignment deviation and improve the yield rate. In addition, when lighting up display screens of different models, it is convenient to adjust, the lighting action is fast and quick, debugging and maintenance are convenient, and assembly feasibility is strong. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 The figure is a schematic diagram of the structure of a probe-type display screen lighting device in an embodiment of the present invention.

[0030] Figure 2 It is a schematic structural diagram of a rotary crimping mechanism in an embodiment of the present invention.

[0031] Figure 3 It is a schematic structural diagram of an adjustable universal fixture in one embodiment of the present invention.

[0032] Figure 4 It is a schematic structural diagram of a needle mold in one embodiment of the present invention. DETAILED DESCRIPTION

[0033] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0034] Reference Figure 1-4 The present invention proposes a probe-type display screen lighting device, comprising: an adjustable universal fixture 2, a needle mold 5, a two-dimensional adjustment mechanism, a rotary crimping mechanism 4 and an optical microscope 6;

[0035] The workbench is mounted on the frame 8, and the angle between the working surface of the workbench and the horizontal plane is α, which is greater than 0 and less than 90°;

[0036] The adjustable universal jig is installed on the workbench, the rotary crimping mechanism 4 is installed on the workbench above the adjustable universal jig, the needle mold 5 is installed on the rotary crimping mechanism 4, the needle mold 5 can be rotated and crimped on the display screen 1 located on the adjustable universal jig under the rotation of the rotary crimping mechanism 4, and the crimping surface of the needle mold 5 is provided with a probe for crimping and conducting with the PIN pin of the connector of the display screen;

[0037] The two-dimensional adjustment mechanism is installed on the frame 8 above the workbench, and the optical microscope 6 is installed on the two-dimensional adjustment mechanism. The optical microscope 6 can move laterally and vertically under the adjustment of the two-dimensional adjustment mechanism. The optical microscope 6 is used to identify the position of the probe on the needle mold 5 and the PIN pin of the connector of the display screen 1.

[0038] The present invention adjusts the position of the optical microscope 6 through a two-dimensional adjustment mechanism, so that the optical microscope 6 can accurately check whether the PIN pin of the connector of the display screen 1 and the probe on the needle mold 5 are accurately aligned, so that when it is not accurate, the adjustable universal fixture can adjust the position of the display screen 1, thereby realizing the automatic alignment of the PIN pin of the connector of the display screen 1 and the probe on the needle mold 5. Moreover, the probe-type crimping conduction can directly light up the display screen 1 without plugging in or through the adapter cable, and can also effectively avoid the risk of electric shock to the product caused by alignment deviation, thereby improving the yield rate. In addition, when lighting up display screens 1 of different models, it is convenient to adjust, the lighting action is fast and quick, debugging and maintenance are convenient, and assembly feasibility is strong.

[0039] The number of PINs on the connector is 30 or 40, and the center distance between PINs is 0.5 mm or 0.4 mm.

[0040] In this embodiment, the rotary crimping mechanism 4 includes: a rotary drive assembly 41, a needle mold mounting bracket 42, a needle mold mounting plate 43 and a crank connecting rod assembly 44, the needle mold mounting bracket 42 is mounted on the workbench above the adjustable universal fixture 2, one end of the needle mold mounting plate 43 is hinged to the needle mold mounting bracket 42, the needle mold 5 is mounted on the other end of the needle mold mounting plate 43, and the needle mold 5 faces the adjustable universal fixture 2;

[0041] The rotary drive assembly 41 is installed on a workbench above the needle mold mounting bracket. One end of the crank connecting rod assembly 44 is fixed to the rotating shaft of the rotary drive assembly 41 , and the other end of the crank connecting rod assembly 44 is hinged to the middle of the needle mold mounting plate 43 .

[0042] Among them, the crank connecting rod assembly 44 includes a first connecting rod and a second connecting rod, one end of the first connecting rod is fixed to the rotating shaft of the rotation driving assembly 41, the other end of the first connecting rod is hinged to one end of the second connecting rod, and the other end of the second connecting rod is hinged to the middle part of the needle mold mounting plate 43.

[0043] The rotary drive assembly 41 includes one of a motor, a turntable and a rotary cylinder.

[0044] In this embodiment, the two-dimensional adjustment mechanism includes a vertical sliding component slidably arranged on the frame 8 in the vertical direction and a transverse sliding component slidably arranged on the vertical sliding component in the transverse direction. A first locking component is connected between the vertical sliding component and the frame 8 for allowing the vertical sliding component and the frame 8 to slide and be fixed relative to each other. A second locking component is connected between the transverse sliding component and the vertical sliding component for allowing the transverse sliding component and the vertical sliding component to slide and be fixed relative to each other. The optical microscope 6 is installed on the transverse sliding component.

[0045] In one specific embodiment, the first locking component and the second locking component are both detachable locking components such as bolts, screw holes or clamps.

[0046] In another specific embodiment, the first locking assembly and the second locking assembly are both air cylinders, hydraulic cylinders or electric push rods with locking structures.

[0047] This configuration of the present embodiment can better adapt to fully automated operations.

[0048] In this embodiment, the adjustable universal fixture 2 includes a fixture body 21, two transverse guide rails, two first sliders, a second slider, a longitudinal guide rail 24, a first fine-tuning assembly, a second fine-tuning assembly, a first positioning assembly 25, and a second positioning assembly 28;

[0049] The two transverse guide rails are arranged in the transverse direction, and the two transverse guide rails are arranged in sequence in the longitudinal direction on the working surface of the workbench; the two first sliders are slidably arranged on the two transverse guide rails respectively; the longitudinal guide rail 24 is arranged in the longitudinal direction, and the two ends of the longitudinal guide rail 24 are fixedly connected to the two first sliders respectively; the second slider is slidably arranged on the longitudinal guide rail 24, and the bottom of the fixture body 21 is fixedly connected to the top of the second slider;

[0050] The first fine-tuning assembly is connected between the workbench and the longitudinal guide rail 24, and is used to perform transverse fine-tuning on the workbench and the longitudinal guide rail 24; the first positioning assembly 25 is arranged on the workbench on one side of the longitudinal guide rail 24, and is used to relatively fix the longitudinal guide rail 24 and the workbench after fine-tuning;

[0051] The second fine-tuning component is connected between the jig body 21 and the workbench, and is used to perform longitudinal fine-tuning on the jig body 21 and the workbench; the second positioning component 28 is arranged on the workbench on one side of the jig body 21, and is used to relatively fix the jig body 21 and the workbench after longitudinal fine-tuning.

[0052] With such an arrangement, the present embodiment can fine-tune the position of the display screen 1 fixed on the fixture body, thereby realizing automatic alignment of the PIN pin of the connector of the display screen 1 and the probe on the needle mold 5, and is applicable to display screens 1 of various models and specifications.

[0053] It should be understood that the horizontal, longitudinal and vertical directions in this embodiment are perpendicular to each other.

[0054] To ensure sliding stability, each first slider includes two sub-sliders, one end of the longitudinal guide rail 24 is fixedly connected to the two sub-sliders of one of the first sliders, and the other end of the longitudinal guide rail 24 is fixedly connected to the two sub-sliders of the other first slider.

[0055] In a further embodiment, the first fine-tuning assembly includes two return springs 23 and a first fine-tuning drive mechanism 26;

[0056] A fixing plate 22 is connected between the first end of each transverse guide rail and the workbench, and each return spring 23 is connected between two fixing plates 22 and the corresponding first slider in a one-to-one correspondence;

[0057] The longitudinal guide rail 24 has an extension portion extending longitudinally from the jig body 21 . The driving mechanism is installed on a workbench below the jig body 21 and is located on the side of the longitudinal guide rail 24 facing away from the fixed plate 22 . The driving end of the driving mechanism can move laterally and is used to abut against the extension portion of the longitudinal guide rail 24 .

[0058] Specifically, each return spring 23 is sleeved on the corresponding transverse guide rail.

[0059] In a further embodiment, the second fine-tuning assembly includes a first L-shaped plate 27 and a second fine-tuning drive mechanism; the second fine-tuning drive mechanism is mounted on a workbench located on a side of the fixture body 21 facing away from the fixed plate 22, and the driving end of the second fine-tuning drive mechanism can move in the longitudinal direction;

[0060] The vertical plate of the first L-shaped plate 27 is fixedly connected to a side wall of the fixture body 21 facing away from the fixed plate 22 , and the horizontal plate of the first L-shaped plate 27 is always located on the adjustment stroke of the driving end of the second fine-tuning driving mechanism.

[0061] With such arrangement, the position of the fixture body 21 in the longitudinal direction can be adjusted by utilizing the cooperation of gravity and the second fine-tuning component, thereby ensuring that the position of the fixture body 21 can be fine-tuned by the first fine-tuning component and the second fine-tuning component.

[0062] Specifically, the first fine-tuning drive mechanism 26 and the second fine-tuning drive mechanism are both air cylinders, hydraulic cylinders, and micrometers.

[0063] When a micrometer is used, precise fine-tuning can be performed manually, effectively ensuring manual accuracy.

[0064] In a further embodiment, the first positioning assembly 25 includes a second L-shaped plate and a first bolt, the second L-shaped plate is located on the workbench below the fixture body 21, and the vertical plate of the second L-shaped plate is fixedly connected to the adjacent first slider, and the bottom plate of the second L-shaped plate is provided with a first strip-shaped through hole extending in the transverse direction, and the first strip-shaped through hole is used for the front end of the first bolt to pass through;

[0065] A first threaded hole for threaded connection with a first bolt is opened at a position corresponding to the first strip through hole on the workbench. The front end of the first bolt passes through the first strip through hole and is threadedly connected with the first threaded hole to fix the bottom plate of the second L-shaped plate on the workbench.

[0066] The present embodiment is configured in this way, so that the first slider and the workbench can be in a relatively fixed state and a relatively movable state by rotating the first bolt, thereby facilitating lateral fine adjustment of the fixture body 21.

[0067] In a further embodiment, the second positioning assembly 28 includes a third L-shaped plate, a second bolt, a third connecting rod and a fixing block, the third L-shaped plate is located on a workbench on a side of the fixture body 21 facing the fixing plate 22, and the vertical plate of the third L-shaped plate is fixedly connected to the fixture body 21, and the bottom plate of the third L-shaped plate is provided with a second strip-shaped through hole extending in the longitudinal direction, and the second strip-shaped through hole is used for the front end of the second bolt to pass through;

[0068] The third connecting rod is fixed between the two first sliding blocks, the fixed block is fixed on the third connecting rod, and the fixed block is located below the bottom plate of the third L-shaped plate, and a second threaded hole for threaded connection with a second bolt is opened at a position corresponding to the fixed block and the second strip through hole; the front end of the second bolt passes through the second strip through hole and is threadedly connected to the second threaded hole to fix the fixture body 21 on the first sliding block.

[0069] This embodiment is configured so that the jig body 21 after fine adjustment can be fixed on the first slider, thereby fixing the jig body 21 and the workbench relatively.

[0070] In a further embodiment, α is greater than 0 and less than 60°.

[0071] In one specific embodiment, α is 30°.

[0072] In this embodiment, the fixture body 21 includes a substrate and a stop plate for stopping and fixing the display screen 1; the bottom of the substrate is fixedly connected to the top of the second slider, and the substrate is parallel to the working surface of the workbench, the stop plate is installed on the substrate in the horizontal direction, and the stop plate and the substrate are slidably connected in the longitudinal direction, and a locking mechanism is connected between the stop plate and the substrate for making the stop plate and the substrate relatively fixed or movable.

[0073] In order to facilitate the placement and removal of the display screen 1, in a further embodiment, a groove is opened in the middle of the substrate, and the length direction of the groove is arranged horizontally, the length of the groove is greater than the length of the largest display screen 1, and the width of the groove is less than the width of the smallest display screen 1.

[0074] In the specific implementation, the display screen 1 is placed on an adjustable universal fixture, and the PCBA positioning holes on the display screen 1 are fixed to the pins on the PCB adsorption block 3 to complete the precise positioning;

[0075] The rotary crimping mechanism 4 is rotated so that the probe on the needle mold 5 is crimped onto the PIN pin of the connector of the display screen 1;

[0076] Adjust the two-dimensional adjustment mechanism so that the optical microscope 6 can accurately check the correspondence between the probe on the needle mold 5 and the PIN pin of the connector of the display screen 1;

[0077] If there is a lateral or longitudinal deviation, the rotary crimping mechanism 4 is reset, and the lateral and longitudinal positions of the jig body 21 are fine-tuned by the first fine-tuning component and the second fine-tuning component on the adjustable universal jig. After alignment, the first positioning component 25 and the second positioning component 28 are used to fix the lateral and longitudinal positions of the jig body 21 again, and then the rotary crimping mechanism 4 is used to perform the crimping action until the display screen 1 is lit.

[0078] After the lighting and testing actions are completed, the rotary crimping mechanism 4 is reset, and the display screen 1 can be taken out manually or by a robot, and the entire action is completed.

[0079] In this embodiment, a lateral adjustment mechanism 7 is further connected between the rotary crimping mechanism 4 and the workbench, and the lateral adjustment mechanism 7 is used to drive the rotary crimping mechanism 4 to move laterally along the workbench.

[0080] Since the connectors of different display screen 1 models are at different positions on the PCB, when the position of the rotary crimping mechanism 4 needs to be adjusted with a large stroke, the adjustment can be performed through the rotary crimping mechanism 4 .

[0081] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A probe type display screen lighting device, characterized in that: include: Adjustable universal jig, needle mold, two-dimensional adjustment mechanism, rotary crimping mechanism and optical microscope; The workbench is installed on the frame, and the angle between the working surface of the workbench and the horizontal plane is α, which is greater than 0 and less than 90°; The adjustable universal jig is installed on the workbench, the rotary crimping mechanism is installed on the workbench on one side of the adjustable universal jig, the pin mold is installed on the rotary crimping mechanism, the pin mold can be rotated and crimped on the display screen located on the adjustable universal jig under the rotation of the rotary crimping mechanism, and a probe for crimping and conducting with the PIN pin of the connector of the display screen is provided on the crimping surface of the pin mold; The two-dimensional adjustment mechanism is installed on a frame above the workbench, the optical microscope is installed on the two-dimensional adjustment mechanism, and the optical microscope can move horizontally and vertically under the adjustment of the two-dimensional adjustment mechanism.

2. The probe type display screen lighting device according to claim 1, characterized in that: The rotary crimping mechanism comprises: a rotary drive assembly, a needle mold mounting bracket, a needle mold mounting plate and a crank connecting rod assembly, wherein the needle mold mounting bracket is mounted on a workbench above an adjustable universal fixture, one end of the needle mold mounting plate is hinged to the needle mold mounting bracket, the needle mold is mounted on the other end of the needle mold mounting plate, and the needle mold faces the adjustable universal fixture; The rotary drive assembly is installed on a workbench above the needle mold mounting bracket, one end of the crank connecting rod assembly is fixed to the rotating shaft of the rotary drive assembly, and the other end of the crank connecting rod assembly is hinged to the middle of the needle mold mounting plate.

3. The probe type display screen lighting device according to claim 1, characterized in that: The two-dimensional adjustment mechanism includes a vertical sliding component slidably arranged on a frame in a vertical direction and a transverse sliding component slidably arranged on the vertical sliding component in a transverse direction. A first locking component for enabling the vertical sliding component and the frame to slide and be fixed relative to each other is connected between the vertical sliding component and the frame. A second locking component for enabling the transverse sliding component and the vertical sliding component to slide and be fixed relative to each other is connected between the transverse sliding component and the vertical sliding component. The optical microscope is mounted on the transverse sliding component.

4. The probe type display screen lighting device according to claim 1, characterized in that: The adjustable universal fixture comprises a fixture body, two transverse guide rails, two first sliders, a second slider, a longitudinal guide rail, a first fine-tuning assembly, a second fine-tuning assembly, a first positioning assembly and a second positioning assembly; The two transverse guide rails are arranged in the transverse direction, and the two transverse guide rails are arranged on the working surface of the workbench in sequence along the longitudinal direction at intervals; the two first slide blocks are slidably arranged on the two transverse guide rails respectively; the longitudinal guide rail is arranged in the longitudinal direction, and the two ends of the longitudinal guide rail are fixedly connected to the two first slide blocks respectively; the second slide block is slidably arranged on the longitudinal guide rail, and the bottom of the fixture body is fixedly connected to the top of the second slide block; The first fine-tuning assembly is connected between the workbench and the longitudinal guide rail, and is used to perform transverse fine-tuning on the workbench and the longitudinal guide rail; the first positioning assembly is arranged on the workbench on one side of the longitudinal guide rail, and is used to relatively fix the longitudinal guide rail and the workbench after fine-tuning; The second fine-tuning component is connected between the jig body and the workbench, and is used to perform longitudinal fine-tuning on the jig body and the workbench; the second positioning component is arranged on the workbench on one side of the jig body, and is used to relatively fix the jig body and the workbench after longitudinal fine-tuning.

5. The probe type display screen lighting device according to claim 4, characterized in that: The first fine-tuning assembly includes two return springs and a first fine-tuning drive mechanism; A fixing plate is connected between the first end of each transverse guide rail and the workbench, and each return spring is connected between the two fixing plates and the corresponding first sliding block in a one-to-one correspondence; The longitudinal guide rail has an extension portion extending longitudinally from the fixture body. The drive mechanism is installed on a workbench below the fixture body and is located on the side of the longitudinal guide rail facing away from the fixed plate. The drive end of the drive mechanism can move laterally and is used to abut against the extension portion of the longitudinal guide rail.

6. The probe type display screen lighting device according to claim 5, characterized in that: The second fine-tuning assembly includes a first L-shaped plate and a second fine-tuning drive mechanism; the second fine-tuning drive mechanism is installed on a workbench located on a side of the fixture body facing away from the fixed plate, and a drive end of the second fine-tuning drive mechanism can move in the longitudinal direction; The vertical plate of the first L-shaped plate is fixedly connected to a side wall of the fixture body facing away from the fixed plate, and the horizontal plate of the first L-shaped plate is always located on the adjustment stroke of the driving end of the second fine-tuning driving mechanism.

7. The probe type display screen lighting device according to claim 5, characterized in that: The second positioning assembly includes a third L-shaped plate, a second bolt, a third connecting rod and a fixing block, the third L-shaped plate is located on a workbench on a side of the fixture body facing the fixing plate, and the vertical plate of the third L-shaped plate is fixedly connected to the fixture body, and the bottom plate of the third L-shaped plate is provided with a second strip-shaped through hole extending in the longitudinal direction, and the second strip-shaped through hole is used for the front end of the second bolt to pass through; The third connecting rod is fixed between the two first sliding blocks, the fixed block is fixed on the third connecting rod, and the fixed block is located below the bottom plate of the third L-shaped plate, and a second threaded hole for threaded connection with a second bolt is opened at a position corresponding to the fixed block and the second strip through hole; the front end of the second bolt passes through the second strip through hole and is threadedly connected to the second threaded hole to fix the fixture body on the first sliding block.

8. The probe type display screen lighting device according to claim 4, characterized in that: The first positioning assembly includes a second L-shaped plate and a first bolt, the second L-shaped plate is located on the workbench below the fixture body, and the vertical plate of the second L-shaped plate is fixedly connected to the adjacent first sliding block, and the bottom plate of the second L-shaped plate is provided with a first strip-shaped through hole extending in the transverse direction, and the first strip-shaped through hole is used for the front end of the first bolt to pass through; A first threaded hole for threaded connection with a first bolt is opened at a position corresponding to the first strip through hole on the workbench. The front end of the first bolt passes through the first strip through hole and is threadedly connected with the first threaded hole to fix the bottom plate of the second L-shaped plate on the workbench.

9. The probe type display screen lighting device according to claim 1, characterized in that: A lateral adjustment mechanism is also connected between the rotary crimping mechanism and the workbench, and the lateral adjustment mechanism is used to drive the rotary crimping mechanism to move laterally along the workbench.

10. The probe type display screen lighting device according to claim 1, characterized in that: α is greater than 0 and less than 60°; Preferably, α is 30°.

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