An intelligent terminal photosensitive element positioning jig

Abstract

The present invention belongs to the technical field of maintenance equipment, and particularly relates to a positioning fixture for a photosensitive element of an intelligent terminal. The positioning fixture includes a lower bottom plate, and a controller is arranged at the upper end of the lower bottom plate. It further includes: a first clamping assembly, which is assembled at the upper end of the lower bottom plate. The first clamping assembly includes an upper bottom plate and a first positioning block, and the upper bottom plate is fixed at the upper end of the lower bottom plate. Through the cooperation of two motor modules, the present invention can drive the second clamping assembly and the photosensitive element to move. After the position of the photosensitive element is adjusted, the PCB board and the photosensitive element are respectively clamped and fixed by the first clamping assembly and the second clamping assembly, avoiding the movement of the photosensitive element or the PCB board during the welding process, which may cause deviation in the position of the photosensitive element. At the same time, the first clamping assembly and the second clamping assembly can clamp PCB boards and photosensitive elements of various sizes, improving the applicable range of the device and making the device easy to use.

Description

Technical Field

[0001] The present invention belongs to the technical field of maintenance equipment, and particularly relates to a positioning jig for a photosensitive element of an intelligent terminal. Background Art

[0002] A photosensitive element, also known as an image sensor, is a device that converts an optical image into an electrical signal. According to the working principle, it can be mainly divided into two categories: CCD (Charge Coupled Device) and CMOS (Complementary Metal Oxide Semiconductor). It mainly uses the photoelectric conversion function of optoelectronic devices to divide the optical image on its light-receiving surface into many small units, and then converts the optical image inside each small unit into an electrical signal proportional to the optical image. It is widely used in many intelligent terminals such as digital cameras, mobile phones, tablets, and self-service machines.

[0003] During the use of an intelligent terminal, due to improper use methods, photosensitive failures may occur. For example, when the intelligent terminal drops, the photosensitive element may fall off; when a digital camera shoots strong light, the photosensitive element may be damaged; when the lens of a digital camera is replaced, the photosensitive element may adsorb dust, etc. When repairing the photosensitive element on an intelligent terminal, it is necessary to disassemble the photosensitive element from the PCB board and then reassemble it onto the PCB board after the repair. In the prior art, when reassembling the photosensitive element onto the PCB board, most maintenance personnel fix the photosensitive element and the PCB board with one hand and weld the photosensitive element and the PCB board with the other hand. During the assembly and welding process, once the photosensitive element or / and the PCB board move, the position of the photosensitive element will deviate, which will lead to a deviation in the position between the photosensitive surface of the photosensitive element and the shell, reducing the effective photosensitive area of the photosensitive element and seriously affecting the imaging clarity of the image. Based on the above problems, the present invention proposes a positioning jig for a photosensitive element to solve the problem of inconvenient positioning during the repair process of the photosensitive element. Summary of the Invention

[0004] The purpose of the present invention is to provide a positioning jig for a photosensitive element of an intelligent terminal. Through the cooperation of two motor modules, the second clamping component and the photosensitive element can be driven to move. After the position of the photosensitive element is adjusted, the PCB board and the photosensitive element are respectively clamped and fixed by the first clamping component and the second clamping component, avoiding the movement of the photosensitive element or the PCB board during the welding process, resulting in a deviation in the position of the photosensitive element. At the same time, the first clamping component and the second clamping component can clamp PCB boards and photosensitive elements of various sizes, improving the application range of the device and making the device easy to use.

[0005] The technical solution adopted by the present invention is specifically as follows:

[0006] An intelligent terminal photosensitive element positioning jig, including a lower base plate, with a controller provided at the upper end of the lower base plate, further comprising:

[0007] A first clamping assembly, which is assembled at the upper end of the lower base plate. The first clamping assembly includes an upper base plate and a first positioning block. The upper base plate is fixed to the upper end of the lower base plate. A chute is provided inside the upper base plate. The first positioning block is fixed to one end of the chute. The first clamping assembly can clamp and fix the PCB board with the first positioning block as a reference.

[0008] An adjustment assembly, which is assembled at the upper end of the lower base plate. The adjustment assembly and the controller are electrically connected through wires.

[0009] A second clamping assembly, which is assembled at the lower end of the adjustment assembly.

[0010] Among them, the adjustment assembly can adjust the position of the second clamping assembly with the first positioning block as a reference object.

[0011] In a preferred scheme, the first clamping assembly further includes a threaded rod, a T-shaped slider, a second positioning block, and a guiding pressing plate. The threaded rod is rotatably connected inside the chute, and one end of the threaded rod penetrates through the chute and extends outside the chute. The T-shaped slider is threadedly connected to the outside of the threaded rod. The second positioning block is fixed to the upper end of the T-shaped slider. The guiding pressing plate is fixed to the upper end inside the chute, and the T-shaped slider is slidably connected to the guiding pressing plate.

[0012] In a preferred scheme, the adjustment assembly includes a cross bar, a linkage block, an opening and closing rod, a plurality of guiding parts, and a plurality of driving parts. The cross bar is rotatably connected to one end of the top of the lower base plate. The linkage block and the opening and closing rod are both fixed to the outside of the cross bar. The guiding part includes two mutually perpendicular guiding rods, and the two guiding rods are fixedly connected between them. Among them, one of the guiding rods is fixed to the linkage block. Adjustment sliders are slidably connected to the outside of the guiding rods. The driving part includes two mutually perpendicular motor modules, and the two motor modules and the two guiding rods are connected end to end to form a rectangular frame. Linkage rods are assembled between the motor modules and the adjustment sliders with the same extending direction, and the two linkage rods are mutually perpendicular. A positioning slider is slidably connected to the outside of the two linkage rods, and the positioning slider is connected to the second clamping assembly.

[0013] In a preferred scheme, both of the two motor modules include a lead screw and a motor main body. The two lead screws are fixedly connected between them, and the two lead screws are mutually perpendicular. The motor main body is threadedly connected to the outside of the lead screw. The motor main body and the controller are electrically connected through wires, and the motor main body is fixed to the linkage rod. Among them, the rectangular frame is composed of the two lead screws and the two guiding rods connected end to end.

[0014] In a preferred embodiment, a counterweight is provided on the outer side of the opening and closing rod.

[0015] In a preferred embodiment, the second clamping assembly includes a housing, a shaft rod, and two clamping parts. The housing is fixed to the lower end of the positioning slider. A plurality of guide pin rods and return pin rods are provided inside the housing. The shaft rod is fixed to the middle inside the housing. The two clamping parts are both assembled inside the housing, and the two clamping parts are perpendicular to each other.

[0016] In a preferred embodiment, the clamping part includes a gear, two racks, and two return elements. The gear is rotatably connected to the outer side of the shaft rod. The two racks are respectively meshed with both sides of the gear. The ends of the two racks away from each other both penetrate through the housing and extend to the outside of the housing. Clamping plates are vertically provided at the ends of the two racks away from each other. A guide through groove is formed inside the rack, and the guide pin rod penetrates through the inside of the guide through groove. The return element is assembled between the rack and the return pin rod.

[0017] In a preferred embodiment, protective pads are provided at the ends of the two clamping plates in the same clamping part close to each other. The material of the protective pad is a flexible material.

[0018] In a preferred embodiment, a support rod is fixed to one end of the top of the lower bottom plate. A support block is fixed to the upper end of the outer side of the support rod. The cross bar is rotatably connected to the inside of the support block. A first anti-rotation pin rod is fixed to one side of the support block. A second anti-rotation pin rod is fixed to the outer side of the cross bar, and the first anti-rotation pin rod and the second anti-rotation pin rod are adapted to each other.

[0019] The technical effects achieved by the present invention are as follows:

[0020] By rotating the threaded rod, the present invention adjusts the distance between the first positioning block and the second positioning block, and clamps and fixes the PCB board through the first positioning block and the second positioning block, so that the device can clamp PCB boards of various different sizes. At the same time, by pulling the rack, by adjusting the distance between the multiple racks, and clamping and fixing the photosensitive element through the rack, the device can clamp photosensitive elements of various different sizes, improving the application range of the device and making the device more convenient to use;

[0021] Through the cooperation of the two motor modules, the present invention can drive the second clamping assembly and the photosensitive element to move. After the position of the photosensitive element is adjusted, the first clamping assembly and the second clamping assembly respectively clamp and fix the PCB board and the photosensitive element, avoiding the movement of the photosensitive element or the PCB board during the welding process, resulting in deviation of the position of the photosensitive element;

[0022] The structure of the present invention is simple and the manufacturing cost is relatively low, reducing the acquisition cost for maintenance personnel. Moreover, this device can position the photosensitive element without relying on high-precision optical components, which helps to increase the popularity of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 is a schematic structural diagram of the whole of the present invention;

[0024] Figure 2 is a rear view of the overall structure of the present invention;

[0025] Figure 3 is a schematic structural diagram of the first clamping assembly of the present invention;

[0026] Figure 4 is a schematic structural diagram of the adjustment assembly of the present invention;

[0027] Figure 5 is a schematic structural diagram of the second clamping assembly of the present invention;

[0028] Figure 6 is a schematic structural diagram of the interior of the second clamping assembly of the present invention;

[0029] Figure 7 is a schematic structural diagram of the clamping portion of the present invention;

[0030] Figure 8 is the present invention Figure 1 schematic structural diagram of the position at A in;

[0031] Figure 9 is a placement schematic diagram of the photosensitive element and the PCB board of the present invention.

[0032] In the drawings, the list of components represented by each reference numeral is as follows:

[0033] 10. Lower bottom plate; 11. Controller; 12. Support rod; 13. Support block; 14. First anti-rotation pin rod; 15. Second anti-rotation pin rod;

[0034] 20. First clamping assembly;

[0035] 21. Upper bottom plate; 22. First positioning block; 23. Threaded rod; 24. T-shaped slider; 25. Second positioning block; 26. Guide pressing plate;

[0036] 30. Adjustment assembly;

[0037] 31. Cross bar; 32. Linking block; 33. Opening and closing rod; 34. Guide rod; 35. Adjustment slider; 36. Linking rod; 37. Positioning slider; 38. Lead screw; 39. Motor body;

[0038] 40. Second clamping assembly;

[0039] 41. Housing; 42. Shaft rod; 43. Guide pin rod; 44. Return pin rod; 45. Gear; 46. Rack; 47. Return element. Detailed implementation manners

[0040] To make the above objects, features, and advantages of the present invention more obvious and understandable, the following will describe the detailed implementation manners of the present invention with reference to the accompanying drawings of the specification.

[0041] In the following description, many specific details are set forth to fully understand the present invention. However, the present invention can also be implemented in other ways different from those described herein. Those skilled in the art can make similar generalizations without departing from the connotation of the present invention. Therefore, the present invention is not limited by the specific embodiments disclosed below.

[0042] Secondly, the so-called "one embodiment" or "embodiment" herein refers to a specific feature, structure, or characteristic that can be included in at least one implementation manner of the present invention. The appearances of "in a preferred embodiment" in different places in this specification do not all refer to the same embodiment, nor are they separate or selectively exclusive embodiments from other embodiments.

[0043] Furthermore, the present invention is described in detail with reference to the schematic diagrams. When detailing the embodiments of the present invention, for the convenience of description, the cross-sectional views showing the device structure will be enlarged locally out of the general proportion, and the schematic diagrams are only examples and should not limit the scope of protection of the present invention herein. In addition, in actual production, three-dimensional spatial dimensions including length, width, and depth should be included.

[0044] Please refer to the attached Figure 1 , Figure 2 and Figure 8 As shown in

[0045] The present invention provides an intelligent terminal photosensitive element positioning fixture, including a lower base plate 10. At both ends of the top of the lower base plate 10, a controller 11 and a plurality of support rods 12 are respectively arranged. At the upper ends of the outer sides of the plurality of support rods 12, support blocks 13 are fixedly arranged. Among them, a first anti-rotation pin rod 14 is fixed on the support block 13. The fixture further includes:

[0046] A first clamping assembly 20, which is assembled on the upper end of the lower base plate 10. The first clamping assembly 20 includes an upper base plate 21 and a first positioning block 22. The upper base plate 21 is fixed to the upper end of the lower base plate 10. A chute is formed inside the upper base plate 21. The first positioning block 22 is fixed to one end of the chute. The first clamping assembly 20 can clamp and fix the PCB board with the first positioning block 22 as a reference;

[0047] The second clamping component 40 is assembled at the lower end of the adjusting component 30, and the second clamping component 40 can clamp and fix the photosensitive element.

[0048] Among them, the adjusting component 30 can adjust the position of the second clamping component 40 with the first positioning block 22 as a reference.

[0049] Further, there is a program used in conjunction with the controller 11, and a reference point P1 and a zero return point P2 are set in this program.

[0050] In this embodiment, with the first positioning block 22 as a reference, the PCB board is clamped and fixed by the first clamping component 20, the photosensitive element is clamped and fixed by the second clamping component 40, relevant instruction information is input through the controller 11, the adjusting component 30 is started, the adjusting component 30 drives the second clamping component 40 and the photosensitive element to move to the upper end of the PCB board, and the PCB board and the photosensitive element are clamped and fixed by the first clamping component 20 and the second clamping component 40 respectively. Thus, the maintenance personnel can conveniently weld the photosensitive element and the PCB board, avoiding the movement of the photosensitive element and the PCB board, resulting in deviation of the position of the photosensitive element, and further causing deviation in the position between the photosensitive surface and the housing of the photosensitive element, reducing the effective photosensitive area of the photosensitive element.

[0051] Further, please refer to Figure 3 As shown, the first clamping component 20 further includes a threaded rod 23, a T-shaped slider 24, a second positioning block 25 and a guiding pressing plate 26. The threaded rod 23 is rotatably connected to the inside of the chute through a ball bearing, and one end of the threaded rod 23 penetrates through the chute and extends to the outside of the chute. A handle is provided at one end of the threaded rod 23, and a plurality of anti-slip lines are evenly arranged on the outer side of the handle. The T-shaped slider 24 is threadedly connected to the outer side of the threaded rod 23. The second positioning block 25 is fixed to the upper end of the T-shaped slider 24. The guiding pressing plate 26 is fixed to the upper end inside the chute, and the T-shaped slider 24 and the guiding pressing plate 26 are slidably connected.

[0052] Here, the horizontal cross-sections of the first positioning block 22 and the second positioning block 25 are both L-shaped, and a stepped surface is provided inside both the second positioning block 25 and the first positioning block 22. The stepped surface can support the PCB board to prevent the pins and / or solder joints at the bottom of the PCB board from rubbing against the surface of the upper bottom plate 21.

[0053] In this embodiment, the PCB board is placed on the step surface of the first positioning block 22. The handle is rotated to drive the threaded rod 23 to rotate through the handle. Due to the threaded connection between the threaded rod 23 and the T-shaped slider 24, the threaded rod 23 drives the T-shaped slider 24 to move towards the PCB board. Since the T-shaped slider 24 is fixedly connected to the second positioning block 25, the T-shaped slider 24 drives the second positioning block 25 to move. When the step surface on the second positioning block 25 contacts the PCB board, the PCB board is supported through the cooperation of the first positioning block 22 and the second positioning block 25. When both the first positioning block 22 and the second positioning block 25 are in close contact with the PCB board, the PCB board is clamped and fixed through the cooperation of the first positioning block 22 and the second positioning block 25, avoiding the movement of the PCB board during the maintenance process, which may cause deviation in the position during the installation of the photosensitive element. At the same time, by adjusting the distance between the first positioning block 22 and the second positioning block 25, the first clamping assembly 20 can clamp and fix PCB boards of various different sizes, thereby improving the application range of the device and making the device more convenient to use.

[0054] Further, please refer to Figure 4 As shown, the adjusting assembly 30 includes a cross bar 31, a linkage block 32, an opening and closing rod 33, a plurality of guiding parts and a plurality of driving parts. The cross bar 31 is rotatably connected to the inside of the support block 13. The linkage block 32 and the opening and closing rod 33 are both fixed to the outside of the cross bar 31. A counterweight block is arranged on the outside of the opening and closing rod 33. The guiding parts include two mutually perpendicular guiding rods 34, and the two guiding rods 34 are fixedly connected through an L-shaped elbow. Among them, one guiding rod 34 and the linkage block 32 are fixedly connected through a T-shaped joint. Adjusting sliders 35 are slidably connected to the outside of the guiding rods 34, and there is a clearance fit between the guiding rods 34 and the adjusting sliders 35. The driving parts include two mutually perpendicular motor modules, and the two motor modules and the two guiding rods 34 are connected end to end to form a rectangular frame. Linkage rods 36 are assembled between the motor modules and the adjusting sliders 35 with the same extending direction, and the two linkage rods 36 are perpendicular to each other. A positioning slider 37 is slidably connected to the outside of the two linkage rods 36, and the positioning slider 37 is connected to the second clamping assembly 40;

[0055] Both of the two motor modules include a lead screw 38 and a motor main body 39. The two lead screws 38 and between the lead screw 38 and the linkage block 32 are also fixedly connected through a T-shaped joint, and the two lead screws 38 are perpendicular to each other. The motor main body 39 is threadedly connected to the outside of the lead screw 38. The motor main body 39 and the controller 11 are electrically connected through a spiral wire, and the motor main body 39 is fixedly connected to the linkage rod 36. Among them, the rectangular frame is composed of the two lead screws 38 and the two guiding rods 34 connected end to end.

[0056] Here, please refer to Figure 8As shown, a second anti-rotation pin rod 15 is fixed to the outer side of the cross bar 31, and the second anti-rotation pin rod 15 is adapted to the first anti-rotation pin rod 14. When the cross bar 31 is rotated, the second anti-rotation pin rod 15 is driven to rotate by the cross bar 31. When the second anti-rotation pin rod 15 abuts against the first anti-rotation pin rod 14, the first anti-rotation pin rod 14 limits the second anti-rotation pin rod 15 to prevent it from continuing to rotate, and thus limits the cross bar 31 through the first anti-rotation pin rod 14. Among them, when the first anti-rotation pin rod 14 abuts against the second anti-rotation pin rod 15, the plane where the rectangular frame is located and the plane where the upper bottom plate 21 is located are parallel to each other.

[0057] It should be noted that in this embodiment, clamping plates are provided at both ends of the linkage rod 36. Screw through holes are formed inside the clamping plates. Screw bottom holes adapted to the screw through holes are provided on both the linkage rod 36 and the motor main body 39. The linkage rod 36 is connected to the adjustment slider 35 and the linkage rod 36 is connected to the motor main body 39 by means of screws passing through the screw through holes and being threadedly connected to the screw bottom holes.

[0058] Specifically, a spiral wire refers to a wire and cable similar to a rope formed by stranding one or several insulated wires. The cable undergoes winding hot processing and finally cools to form a spiral state, having good stretching characteristics and resilience characteristics. In this embodiment, as long as the purpose of stretching can be achieved, no further limitation is made.

[0059] Furthermore, the lead screw 38 and the motor main body 39 together form a lead screw stepper motor. The lead screw stepper motor is a mature existing application. It meshes a screw rod with a nut and takes certain measures to prevent relative rotation between the screw rod and the nut, so that the screw rod moves axially. Generally speaking, there are two ways to achieve this transformation. The first is to install a rotor with an internal thread in the motor and mesh the internal thread of the rotor with the screw rod to achieve linear motion. The second is to use the screw rod as the motor output shaft and mesh an external drive nut with the screw rod outside the motor to achieve linear motion. The lead screw stepper motor can perform angle control or speed control according to specific instructions, and it has a self-locking ability. In this embodiment, as long as the motor main body 39 can move relative to the lead screw 38, no specific limitation is made on its model.

[0060] In this embodiment, in order to better describe the working principle of the adjustment assembly 30, the two motor main bodies 39 are respectively denoted as the first driving source and the second driving source. Among them, the moving direction of the first driving source is denoted as the X direction, the axis direction of the cross bar 31 is parallel to the moving direction of the first driving source, the moving direction of the second driving source is denoted as the Y direction, and the axis direction of the cross bar 31 is perpendicular to the moving direction of the second driving source;

[0061] Hold the opening and closing rod 33 so that the rectangular frame moves away from the first clamping assembly 20. Clamp and fix the PCB board through the first clamping assembly 20. Assemble the photosensitive element at the lower end of the second clamping assembly 40. Rotate the opening and closing rod 33 in the reverse direction so that the rectangular frame approaches the first clamping assembly 20. When the first anti-rotation pin rod 14 and the second anti-rotation pin rod 15 are in contact, start the first driving source through the controller 11, so that the first driving source approaches the PCB board in the X direction. Drive the linkage rod 36, the positioning slider 37, the second clamping assembly 40 and the photosensitive element connected thereto to approach the PCB board in the X direction through the first driving source. When the linkage rod 36 connected to the first driving source moves to a suitable position above the PCB board, turn off the first driving source through the controller 11; start the second driving source through the controller 11, so that the second driving source approaches the PCB board in the Y direction. Drive the linkage rod 36, the positioning slider 37, the second clamping assembly 40 and the photosensitive element connected thereto to approach the PCB board in the Y direction through the second driving source. When the linkage rod 36 connected to the second driving source moves to a suitable position above the PCB board, turn off the second driving source through the controller 11. If the photosensitive element moves to the accurate position, the maintenance personnel can weld the photosensitive element and the PCB board. If there is still a deviation in the position, the controller 11 controls the first driving source and the second driving source respectively, and then finely adjusts the position of the photosensitive element until the photosensitive element moves to the accurate position. At this time, clamp and fix the PCB board and the photosensitive element through the first clamping assembly 20 and the second clamping assembly 40 respectively, which can effectively avoid the movement of the photosensitive element and the PCB board during the maintenance process, resulting in a deviation in the position of the photosensitive element.

[0062] Further, please refer to Figures 5 to 7 As shown in the figure, the second clamping assembly 40 includes a housing 41, a shaft rod 42 and two clamping parts. The housing 41 is fixed to the lower end of the positioning slider 37. A plurality of guide pin rods 43 and return pin rods 44 are arranged inside the housing 41. The shaft rod 42 is fixed to the middle inside the housing 41. Both clamping parts are assembled inside the housing 41, and the two clamping parts are perpendicular to each other;

[0063] The clamping part includes a gear 45, two racks 46 and two return elements 47. The gear 45 is rotatably connected to the outside of the shaft rod 42. The two racks 46 are respectively meshed with both sides of the gear 45. The mutually remote ends of the two racks 46 both penetrate through the housing 41 and extend to the outside of the housing 41, and clamping plates are vertically arranged at the mutually remote ends of the two racks 46. A guide through groove is formed inside the rack 46, and the guide pin rod 43 penetrates through the inside of the guide through groove. The return element 47 is assembled between the rack 46 and the return pin rod 44.

[0064] In this embodiment, in order to better describe the working principle of the second clamping assembly 40, the two clamping parts are respectively denoted as the first clamping group and the second clamping group. Among them, the moving direction of the first clamping group is parallel to the X direction, and the moving direction of the second clamping group is parallel to the Y direction;

[0065] Please refer to Figure 9 As shown, hold the opening and closing rod 33 to move the rectangular frame away from the first clamping assembly 20, clamp and fix the PCB board through the first clamping assembly 20, pull any one of the racks 46 in the first clamping group, drive the gear 45 to rotate through the meshing connection between the rack 46 and the gear 45, and then drive the other rack 46 in the first clamping group to move in the opposite direction, so that the two racks 46 in the first clamping group move away from each other. At the same time, stretch the reset element 47 through the rack 46, so that the reset element 47 is stretched and deformed. At the same time, pull any one of the racks 46 in the second clamping group, so that the two racks 46 in the second clamping group move away from each other, attach the reflective element to the bottom surface of the housing 41, release the rack 46, and the reset element 47 drives the rack 46 to reset. Through the cooperation of multiple racks 46, the photosensitive element is clamped. Rotate the opening and closing rod 33 in the reverse direction to make the adjusting assembly 30 approach the first clamping assembly 20. When the first anti-rotation pin rod 14 and the second anti-rotation pin rod 15 are attached, the plane where the photosensitive element is located is parallel to the plane where the PCB board is located. Adjust the photosensitive element to a suitable position through the adjusting assembly 30, clamp and fix the PCB board and the photosensitive element respectively through the first clamping assembly 20 and the second clamping assembly 40, and then weld the photosensitive element and the PCB board, which can avoid the movement of the PCB board or / and the photosensitive element during the welding process, so that the photosensitive element will not be displaced when welded to the PCB board. At the same time, through the cooperation of multiple racks 46, photosensitive elements with different sizes can be clamped, improving the use range of the device and making the device more convenient to use;

[0066] At the same time, the structure of the device is simple, the manufacturing cost is low, reducing the purchase cost of maintenance personnel, and the device does not need to rely on high-precision optical components to position the photosensitive element, which is convenient to increase the popularity of the device.

[0067] Furthermore, protective pads are provided at the ends of the two clamping plates in the same clamping part that are close to each other. The material of the protective pads is a flexible material. The setting of the protective pads can provide protection for the photosensitive element and prevent the photosensitive element from being damaged by the extrusion of multiple racks 46.

[0068] The working principle of the present invention is:

[0069] Hold the opening and closing rod 33 to move the rectangular frame away from the first clamping assembly 20, clamp and fix the PCB board through the first clamping assembly 20, pull the rack 46, and clamp the photosensitive element through the cooperation of multiple racks 46. Rotate the opening and closing rod 33 in the reverse direction to make the adjusting assembly 30 approach the first clamping assembly 20. When the first anti-rotation pin rod 14 and the second anti-rotation pin rod 15 are in contact, the plane where the photosensitive element is located is parallel to the plane where the PCB board is located. Adjust the photosensitive element to a suitable position through the adjusting assembly 30, clamp and fix the PCB board and the photosensitive element respectively through the first clamping assembly 20 and the second clamping assembly 40, and then weld the photosensitive element and the PCB board. During the welding process, the PCB board or / and the photosensitive element are prevented from moving, so that the photosensitive element will not be displaced when welded to the PCB board. Thus, maintenance personnel can conveniently weld the photosensitive element and the PCB board, avoiding the deviation in the position between the photosensitive surface of the photosensitive element and the housing caused by the displacement of the photosensitive element, and reducing the effective photosensitive area of the photosensitive element.

[0070] The above is only the preferred embodiment of the present invention. It should be noted that for those of ordinary skill in the art of this technology, several improvements and refinements can be made without departing from the principle of the present invention, and these improvements and refinements should also be regarded as the protection scope of the present invention. The structures, devices, and operation methods not specifically described and explained in the present invention, unless otherwise specified and limited, are implemented according to the conventional means in the art.

Claims

1. An intelligent terminal photosensitive element positioning fixture, including a lower base plate (10), characterized in that: A controller (11) is provided at the upper end of the lower base plate (10), and further includes: A first clamping assembly (20), the first clamping assembly (20) is assembled at the upper end of the lower base plate (10), the first clamping assembly (20) includes an upper base plate (21) and a first positioning block (22), the upper base plate (21) is fixed to the upper end of the lower base plate (10), a chute is provided inside the upper base plate (21), the first positioning block (22) is fixed to one end of the chute, and the first clamping assembly (20) can clamp and fix the PCB board with the first positioning block (22) as a reference; The first clamping assembly (20) further includes a threaded rod (23), a T-shaped slider (24), a second positioning block (25) and a guiding pressing plate (26), the threaded rod (23) is rotatably connected inside the chute, and one end of the threaded rod (23) penetrates through the annular groove and extends outside the chute, the T-shaped slider (24) is threadedly connected to the outside of the threaded rod (23), the second positioning block (25) is fixed to the upper end of the T-shaped slider (24), the guiding pressing plate (26) is fixed to the upper end inside the chute, and the T-shaped slider (24) is slidably connected to the guiding pressing plate (26), the horizontal cross-sections of the first positioning block (22) and the second positioning block (25) are both L-shaped, and a stepped surface is provided inside both the second positioning block (25) and the first positioning block (22), and the PCB board can be supported by the stepped surface; An adjusting assembly (30), the adjusting assembly (30) is assembled at the upper end of the lower base plate (10), the adjusting assembly (30) and the controller (11) are electrically connected by a wire, the adjusting assembly (30) includes a cross bar (31), a linkage block (32), an opening and closing rod (33), a plurality of guiding parts and a plurality of driving parts, the cross bar (31) is rotatably connected to one end of the top of the lower base plate (10), the linkage block (32) and the opening and closing rod (33) are both fixed to the outside of the cross bar (31), the guiding part includes two mutually perpendicular guiding rods (34), and the two guiding rods (34) are fixedly connected between them. Among them, one of the guiding rods (34) is fixedly connected to the linkage block (32), adjusting sliders (35) are slidably connected to the outside of the guiding rods (34), the driving part includes two mutually perpendicular motor modules, and the two motor modules and the two guiding rods (34) are connected end to end to form a rectangular frame. Linkage rods (36) are assembled between the motor modules and the adjusting sliders (35) with the same extending direction, and the two linkage rods (36) are mutually perpendicular. A positioning slider (37) is slidably connected to the outside of the two linkage rods (36), and the positioning slider (37) is connected to the second clamping assembly (40); Both of the two motor modules include a lead screw (38) and a motor body (39). The two lead screws (38) are fixedly connected to each other and perpendicular to each other. The motor body (39) is threadedly connected to the outside of the lead screw (38). The motor body (39) and the controller (11) are electrically connected by a wire, and the motor body (39) is fixedly connected to the linkage rod (36). Among them, the rectangular frame is composed of the two lead screws (38) and the two guide rods (34) connected end to end; The second clamping assembly (40) is assembled at the lower end of the adjusting assembly (30). The second clamping assembly (40) includes a housing (41), a shaft rod (42) and two clamping parts. The housing (41) is fixed to the lower end of the positioning slider (37); One end of the top of the lower bottom plate (10) is fixed with a support rod (12). The upper end of the outside of the support rod (12) is fixed with a support block (13). The cross bar (31) is rotatably connected to the inside of the support block (13). One side of the support block (13) is fixed with a first anti-rotation pin rod (14). The outside of the cross bar (31) is fixed with a second anti-rotation pin rod (15), and the first anti-rotation pin rod (14) and the second anti-rotation pin rod (15) are adapted to each other; Among them, the adjusting assembly (30) can adjust the position of the second clamping assembly (40) with reference to the first positioning block (22).

2. The positioning fixture for the photosensitive element of an intelligent terminal according to claim 1, wherein: A counterweight block is arranged on the outside of the opening and closing rod (33).

3. The positioning jig for the photosensitive element of an intelligent terminal according to claim 1, characterized in that: A plurality of guide pin rods (43) and reset pin rods (44) are arranged inside the housing (41). The shaft rod (42) is fixed in the middle of the inside of the housing (41). Both of the two clamping parts are assembled inside the housing (41), and the two clamping parts are perpendicular to each other. The clamping part includes a gear (45), two racks (46) and two reset elements (47). The gear (45) is rotatably connected to the outside of the shaft rod (42). The two racks (46) are respectively meshed and connected to both sides of the gear (45). One end of the two racks (46) away from each other penetrates through the housing (41) and extends to the outside of the housing (41), and a clamping plate is vertically arranged at one end of the two racks (46) away from each other. A guide through groove is opened inside the rack (46), and the guide pin rod (43) penetrates through the inside of the guide through groove. The reset element (47) is assembled between the rack (46) and the reset pin rod (44).

4. The positioning jig for the photosensitive element of an intelligent terminal according to claim 3, characterized in that: A protective pad is arranged at one end of the two clamping plates close to each other in the same clamping part. The material of the protective pad is a flexible material.

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