A circuit board detection lifting mechanism and use method thereof

Abstract

The present invention discloses a circuit board detection lifting mechanism and a method for using the same, and relates to the field of lifting mechanisms. The circuit board detection lifting mechanism and the method for using the same comprise a lifting frame, a first slot steel plate being mounted on one side of the lifting frame through a lifting mechanism, one end of a second slot steel plate being rotatably connected to the first slot steel plate, a detection camera being mounted on one side of the second slot steel plate through a mounting seat, an assembly mechanism being arranged inside the second slot steel plate, and the assembly mechanism being used to lock the mounting seat connected to the second slot steel plate and the first slot steel plate. The invention utilizes the coordinated use of the first slot steel plate, the second slot steel plate, the detection camera, the mounting seat and the assembly mechanism, the assembly mechanism can lock the assembly state of the first slot steel plate and the second slot steel plate, and the assembly mechanism can also lock the assembly state of the second slot steel plate and the detection camera, which is not only convenient to adjust, but also enables the detection camera to have different usage states.

Description

Technical Field

[0001] The present invention relates to the technical field of lifting mechanisms, and in particular to a circuit board detection lifting mechanism and a use method thereof. Background Art

[0002] During the production of circuit boards, camera inspection technology is usually used to inspect the appearance quality of the circuit boards. Camera inspection technology is a cutting-edge technology based on image and video analysis. It captures the image of the object and uses advanced image processing algorithms to process and analyze the image to achieve accurate inspection of key parameters such as object size, shape, surface defects, etc.

[0003] When inspecting a circuit board, the height of the inspection camera needs to be adjusted according to the needs of the circuit board inspection. Therefore, when the inspection camera is installed, a mounting base, a mounting bracket and a lifting mechanism are usually used to adjust the height of the inspection camera. That is, the inspection camera is fixedly mounted on the mounting bracket through the mounting base, and the lifting assembly drives the inspection camera to rise or move through the mounting bracket.

[0004] Since the inspection camera is installed on the mounting bracket through the mounting seat and moves up and down, the inspection camera is usually in a vertical state when inspecting the circuit board, so it can take pictures of the circuit board passing by the bottom. However, as the orientation and transportation method of the circuit board inspection are different, the fixed inspection camera is not convenient for adjusting the use of the inspection camera according to the inspection requirements, and thus has certain defects. Summary of the invention

[0005] In view of the shortcomings of the prior art, the present invention provides a circuit board inspection lifting mechanism and a method of using the same, which solves the problem that as the orientation and conveying method of the circuit board inspection are different, a fixedly installed inspection camera is not convenient for adjusting the usage of the inspection camera according to the inspection requirements, thus having certain defects.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: A circuit board detection lifting mechanism, including a lifting frame, a lifting mechanism is installed on the lifting frame, and is characterized in that it also includes:

[0007] A first channel steel plate, wherein the first channel steel plate is installed on one side of the lifting frame through a lifting mechanism;

[0008] A second channel steel plate, one end of which is rotatably connected to the first channel steel plate, and the second channel steel plate has a vertical use state and a horizontal use state relative to the first channel steel plate;

[0009] A detection camera and a mounting seat, wherein the detection camera is mounted on one side of the second channel steel plate through the mounting seat, and the detection camera and the second channel steel plate have a vertical use state and a parallel use state;

[0010] An assembly mechanism is arranged inside the second channel steel plate, and is used to lock the mounting seat connected to the second channel steel plate and the first channel steel plate.

[0011] Preferably, the assembling mechanism comprises:

[0012] An installation shell, wherein the installation shell is arranged inside the second channel steel plate;

[0013] A locking assembly, the locking assembly is arranged inside the mounting housing, and the locking assembly is used to lock the mounting housing and the mounting seat;

[0014] A clamping assembly, which is arranged inside the mounting housing and is used to lock the second channel steel plate and the first channel steel plate;

[0015] The limiting assembly is arranged inside the mounting shell, and the limiting assembly is linked with the locking assembly and the clamping assembly.

[0016] Preferably, the assembling mechanism further comprises:

[0017] A connecting shaft, the outer wall of which is slidably interlaced with the second channel steel plate and the first channel steel plate;

[0018] A limit block, the limit block is fixedly connected to one end of the connecting shaft, and the limit block is located outside the first channel steel plate;

[0019] A clamping piece, one end of which is fixedly connected to the mounting shell, an annular groove is provided on the outer wall of the connecting shaft, and the clamping piece is clamped in the inner part of the annular groove.

[0020] Preferably, the locking assembly comprises:

[0021] A rectangular column, one end of which is fixedly connected to a mounting seat;

[0022] A connecting plate, the outer wall of which is slidably sleeved with the mounting housing, and the connecting plate is linked with the limiting assembly;

[0023] A connecting frame, the connecting frame being fixedly connected to a side of the connecting plate facing the interior of the mounting housing;

[0024] A locking rod, one end of which is fixedly connected to the inner wall of the connecting frame, and an outer wall of the locking rod is slidably engaged with the rectangular column.

[0025] Preferably, a rectangular hole is provided on one side of the second channel steel plate and one side of the mounting shell, the outer wall of the rectangular column is slidably sleeved with the inner cavity of the rectangular hole, the connecting frame is sleeved on one end of the outer wall of the rectangular column, the outer wall of the rectangular column is provided with a cross groove, and the outer wall of the locking rod is slidably sleeved with the inner cavity of the cross groove.

[0026] Preferably, the clamping assembly comprises:

[0027] A positioning plate, the outer wall of which is slidably connected to the mounting housing, and the positioning plate is linked to the limiting assembly;

[0028] An arc plate, the arc plate is fixedly connected to the top of the first channel steel plate, and the side of the top of the arc plate has a protruding baffle;

[0029] A first locking groove, wherein the first locking groove is provided at the top of the arc plate, and the positioning plate is slidably engaged with the first locking groove to lock the second groove steel plate in a vertical use state;

[0030] The second locking groove is arranged on the top of the first groove steel plate, and the positioning plate is slidably engaged with the second locking groove to lock the second groove steel plate in a horizontal use state.

[0031] Preferably, the clamping assembly further comprises:

[0032] A sliding hole, wherein the sliding hole is provided at the side of the second channel steel plate, and the outer wall of the positioning plate is slidably engaged with the inner cavity of the sliding hole;

[0033] A slot, wherein the slot is provided on a side of the mounting housing, and one end of the outer wall of the positioning plate is slidably sleeved with the slot;

[0034] A connecting block, wherein the connecting block is arranged inside the mounting housing, and one side of the connecting block is fixedly connected to the positioning plate;

[0035] A butt joint piece is fixedly connected to the other side of the connecting block.

[0036] Preferably, the limiting component comprises:

[0037] A connecting rod, the top of the outer wall of the connecting rod is rotatably connected to the connecting plate, and the outer wall of the connecting rod is slidably sleeved with the docking piece;

[0038] A knob, the knob is fixedly connected to the top of the connecting rod, and the knob is located on the top of the connecting plate;

[0039] A limit spring is slidably sleeved on the outside of the connecting rod, and the limit spring is located between the docking piece and the connecting plate.

[0040] Preferably, the limiting component further includes:

[0041] A first binding plate, the first binding plate being fixedly connected to the bottom of the connecting rod;

[0042] A second binding plate, the second binding plate is fixedly connected to the inside of the mounting shell, and the second binding plate is located on the top of the first binding plate;

[0043] A guide rod, the top of which is fixedly connected to the second binding plate, the outer wall of the guide rod is slidably inserted and sleeved with the first binding plate, and the distance between the bottom of the guide rod and the bottom of the inner wall of the mounting shell is greater than the thickness of the first binding plate.

[0044] The present invention also provides a method for using a circuit board detection lifting mechanism, comprising the following specific steps:

[0045] Step 1: When the detection camera is working, the lifting mechanism drives the detection camera to move up and down through the first slot steel plate, the second slot steel plate and the mounting seat to change the working height of the detection camera;

[0046] Step 2: When changing the use state between the second slot steel plate and the first slot steel plate, pull the positioning plate to slide relative to the mounting shell to release the locking state of the second slot steel plate, and the second slot steel plate rotates relative to the first slot steel plate through the connecting shaft, so that the second slot steel plate is in a vertical use state, and the positioning plate is snapped into the interior of the first locking groove under the action of the limit spring, so that the positioning plate locks the second slot steel plate in the vertical use state, and the second slot steel plate rotates relative to the first slot steel plate through the connecting shaft, so that the second slot steel plate is in a horizontal use state, and the positioning plate is snapped into the interior of the second locking groove under the action of the limit spring, so that the positioning plate locks the second slot steel plate in the horizontal use state;

[0047] Step three: When changing the use status of the detection camera and the second slot steel plate, squeeze the connecting plate to move toward the inside of the installation shell, so that the connecting plate drives the connecting frame and the locking rod to move, and the locking rod is separated from the rectangular column. The detection camera and the second slot steel plate are docked in a parallel state, so that the detection camera and the mounting seat drive the rectangular column to be plugged into the second slot steel plate and the installation shell, and under the action of the limit spring, the connecting plate drives the connecting frame and the locking rod to reset and move, so that the locking rod is plugged into the rectangular column, and the detection camera and the second slot steel plate are in a parallel connection use state, and the detection camera and the second slot steel plate are docked in a vertical state, so that the detection camera and the mounting seat drive the rectangular column to be plugged into the second slot steel plate and the installation shell, and under the action of the limit spring, the connecting plate drives the connecting frame and the locking rod to reset and move, so that the locking rod is plugged into the rectangular column, and the detection camera and the second slot steel plate are in a vertical use connection state.

[0048] The present invention discloses a circuit board detection lifting mechanism and a method for using the same, which have the following beneficial effects:

[0049] The invention utilizes the coordinated use of a first slot steel plate, a second slot steel plate, a detection camera, a mounting seat and an assembly mechanism. The assembly mechanism can lock the assembly state of the first slot steel plate and the second slot steel plate, and the assembly mechanism can also lock the assembly state of the second slot steel plate and the detection camera. This not only facilitates adjustment, but also enables the detection camera to have different usage states, thereby improving its practical performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0051] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0052] Figure 2 This is a schematic diagram of the structure of the second channel steel plate and the first channel steel plate in a vertical state according to the present invention;

[0053] Figure 3 This is a structural schematic diagram of the second channel steel plate and the first channel steel plate in a parallel state according to the present invention;

[0054] Figure 4 This is a schematic diagram of the internal structure of the second channel steel plate portion of the present invention;

[0055] Figure 5 This is a schematic diagram of the overall structure of the housing installed in the present invention;

[0056] Figure 6 This is a schematic diagram of the overall structure of the first channel steel plate portion of the present invention;

[0057] Figure 7 This is a schematic diagram of the internal structure of the side of the housing installation part of the present invention;

[0058] Figure 8 It is a schematic diagram of the internal structure of the first restraining plate on the side of the present invention.

[0059] In the figure: 1. lifting frame; 2. lifting mechanism; 3. first slot steel plate; 4. second slot steel plate; 5. detection camera; 6. mounting seat; 7. assembly mechanism; 71. mounting shell; 72. locking assembly; 721. rectangular column; 722. connecting plate; 723. connecting frame; 724. locking rod; 725. cross slot; 726. rectangular hole; 73. snap-on assembly; 731. positioning plate; 732. sliding hole; 733. arc plate; 734. first locking slot; 735. second locking slot; 736. slot; 737. connecting block; 738. docking piece; 74. limiting assembly; 741. connecting rod; 742. knob; 743. limiting spring; 744. first restraining plate; 745. second restraining plate; 746. guide rod; 75. connecting shaft; 76. limiting block; 77. snap-on piece; 78. annular groove. DETAILED DESCRIPTION

[0060] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0061] The embodiment of the present application provides a circuit board inspection lifting mechanism and a method of using the mechanism, thereby solving the problem that as the orientation and transportation method of the circuit board inspection are different, a fixedly installed inspection camera is not convenient for adjusting the usage of the inspection camera according to the inspection requirements, thereby having certain defects. The embodiment of the present application realizes rapid change of the installation and use status of the inspection camera 5, so that the inspection camera 5 is in different states and orientations to shoot and inspect the circuit board.

[0062] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0063] The embodiment of the invention discloses a circuit board detection lifting mechanism.

[0064] According to the attached Figure 1As shown in Figure 8, it includes a lifting frame 1, on which a lifting mechanism 2 is installed. The lifting mechanism 2 is composed of a motor, a screw and a driving block. The motor drives the screw to rotate, and the driving block slides up and down inside the lifting frame 1. It also includes a first slot steel plate 3, a second slot steel plate 4, a detection camera 5, a mounting seat 6 and an assembly mechanism 7. The first slot steel plate 3 is installed on one side of the lifting frame 1 through the lifting mechanism 2. The driving block slides up and down inside the lifting frame 1, thereby driving the first slot steel plate 3 to move up and down, and a drag chain is installed between the first slot steel plate 3 and the lifting frame 1 to arrange cables for the detection camera 5 and the light source used with it. One end of the second slot steel plate 4 is rotatably connected to the first slot steel plate 3, and the second slot steel plate 4 has a vertical use state and a horizontal use state relative to the first slot steel plate 3, that is, the use states of the second slot steel plate 4 and the first slot steel plate 3 are as shown in Figure 8. Figure 1 and Figure 3 As shown, when the second slot steel plate 4 is in a vertical state, the detection camera 5 is in a vertical downward use state, and when the second slot steel plate 4 is in a horizontal state, the detection camera 5 is in a horizontal use state, that is, the detection camera 5 is in a horizontal state away from the lifting frame 1 for shooting. The detection camera 5 is installed on one side of the second slot steel plate 4 through the mounting seat 6. The detection camera 5 and the second slot steel plate 4 have a vertical use state and a parallel use state, as shown in FIG. Figure 2 As described, the detection camera 5 also has a horizontal forward shooting state, and the assembly mechanism 7 is arranged inside the second channel steel plate 4, and the assembly mechanism 7 is used to lock the mounting seat 6 connected to the second channel steel plate 4 and the first channel steel plate 3.

[0065] In particular, the assembly mechanism 7 includes an installation shell 71, a locking component 72, a clamping component 73 and a limiting component 74. The installation shell 71 is arranged inside the second channel steel plate 4, and the locking component 72 is arranged inside the installation shell 71. The locking component 72 is used to lock the installation shell 71 and the mounting seat 6, that is, the locking component 72 cooperates with the installation shell 71 to clamp and lock the mounting seat 6, and the mounting seat 6 cooperates with the locking component 72 to lock the installation shell 71. The clamping component 73 is arranged inside the installation shell 71. The clamping component 73 is used to lock the second channel steel plate 4 and the first channel steel plate 3, that is, the clamping component 73 can lock the second channel steel plate 4 in the vertical state and the horizontal state. The limiting component 74 is arranged inside the installation shell 71, and the limiting component 74 forms a linkage with the locking component 72 and the clamping component 73.

[0066] Furthermore, the assembly mechanism 7 also includes a connecting shaft 75, a limit block 76 and a clamping member 77. The outer wall of the connecting shaft 75 is slidably inserted and sleeved with the second slot steel plate 4 and the first slot steel plate 3, that is, the second slot steel plate 4 and the first slot steel plate 3 are both provided with through holes connected to the connecting shaft 75, so that the second slot steel plate 4 can rotate relative to the connecting shaft 75 and the first slot steel plate 3. The limit block 76 is fixedly connected to one end of the connecting shaft 75, and the limit block 76 is located on the outside of the first slot steel plate 3. One end of the clamping member 77 is fixedly connected to the mounting shell 71. The outer wall of the connecting shaft 75 is provided with an annular groove 78, and the clamping member 77 is clamped into the inside of the annular groove 78. The clamping member 77 can clamp and lock the connecting shaft 75, and can also support and limit the mounting shell 71, thereby preventing the mounting shell 71 from sliding displacement when the locking assembly 72 is in the unlocked state.

[0067] Furthermore, the locking assembly 72 includes a rectangular column 721, a connecting plate 722, a connecting frame 723 and a locking rod 724. One end of the rectangular column 721 is fixedly connected to the mounting seat 6. The cross section of the rectangular column 721 is square, so that the mounting seat 6 can drive the detection camera 5 to rotate ninety degrees for installation. The outer wall of the connecting plate 722 is slidably sleeved with the mounting shell 71. The connecting plate 722 forms a linkage with the limiting assembly 74. The connecting frame 723 is fixedly connected to the side of the connecting plate 722 facing the inside of the mounting shell 71. One end of the locking rod 724 is fixedly connected to the inner wall of the connecting frame 723. The outer wall of the locking rod 724 is slidably engaged with the rectangular column 721. A rectangular hole 726 is provided on one side of the second slot steel plate 4 and one side of the mounting shell 71. The rectangular column 721 The outer wall of the rectangular hole 726 is slidably connected with the inner cavity of the rectangular hole 726, so that the position of the installation shell 71 inside the second slot steel plate 4 can be limited, and the connecting frame 723 is connected to one end of the outer wall of the rectangular column 721. The outer wall of the rectangular column 721 is provided with a cross groove 725, and the outer wall of the locking rod 724 is slidably connected with the inner cavity of the cross groove 725, and the inner cavity of the connecting frame 723 has a certain length, that is, pressing the connecting plate 722 so that the connecting plate 722 drives the connecting frame 723 and the locking rod 724 to move, so that the locking rod 724 is separated from the rectangular column 721, and the locking state of the rectangular column 721 can be released, and the rectangular column 721 can be pulled out. When the rectangular column 721 is pulled out, under the action of the connecting shaft 75 and the clamping piece 77, the installation shell 71 is still in place.

[0068] When the locking cam 731 is in the state of being lifted up, the locking cam 732 can be turned to the left of the locking cam 734, thereby locking the locking cam 734 in the state of being slowly lifted up. The groove 735 is L-shaped and is used to lock the second groove steel plate 4 in the horizontal use state, so as to ensure the stability of the second groove steel plate 4 in the horizontal state. The clamping assembly 73 also includes a sliding hole 732, a slot 736, a connecting block 737 and a docking piece 738. The sliding hole 732 is opened on the side of the second groove steel plate 4, and the outer wall of the positioning plate 731 is slidably engaged with the inner cavity of the sliding hole 732, and the installation shell 71 inside the second groove steel plate 4 can also be clamped and locked. The slot 736 is opened on the side of the installation shell 71, and one end of the outer wall of the positioning plate 731 is slidably sleeved with the slot 736. The connecting block 737 is arranged inside the installation shell 71, and one side of the connecting block 737 is fixedly connected to the positioning plate 731, and the docking piece 738 is fixedly connected to the other side of the connecting block 737.

[0069] When the locking cam 730 is in the unlocking state, the locking cam 732 is in the unlocking state, and the locking cam 734 is in the unlocking state, so that the locking cam 734 can be locked to the unlocking state.

[0070] Furthermore, the limiting assembly 74 also includes a first binding plate 744, a second binding plate 745 and a guide rod 746. The first binding plate 744 is fixedly connected to the bottom of the connecting rod 741, the second binding plate 745 is fixedly connected to the inside of the mounting shell 71, and the second binding plate 745 is located at the top of the first binding plate 744, so that the second binding plate 745 can limit the connecting rod 741 through the first binding plate 744 to avoid the connecting plate 722 directly popping out of the mounting shell 71 under the action of the limiting spring 743. The top of the guide rod 746 is fixedly connected to the second binding plate 745, and the outer wall of the guide rod 746 is slidably inserted and sleeved with the first binding plate 744. The guide rod 746 can ensure that the second binding plate 745 is limited to the second The stability of the limiting position of a restraining plate 744 and the distance between the bottom of the guide rod 746 and the bottom of the inner wall of the mounting shell 71 are greater than the thickness of the first restraining plate 744, so that the rectangular column 721 is pulled out and the connecting plate 722 is squeezed to make the first restraining plate 744 and the guide rod 746 slide and separate, and use the knob 742 to drive the connecting rod 741 and the first restraining plate 744 to rotate, so that the first restraining plate 744 and the second restraining plate 745 are in a horizontal state, and then the mounting shell 71 is slid to make the mounting shell 71 drive the clamping part 77 to separate from the connecting shaft 75, take out the connecting shaft 75, disassemble the second slot steel plate 4, and then slide out the mounting shell 71, and then separate the positioning plate 731 and the connecting rod 741, so that it can be disassembled for maintenance.

[0071] The present invention also provides a method for using a circuit board detection lifting mechanism, comprising the following specific steps:

[0072] Step 1: When the detection camera 5 is working, the lifting mechanism 2 drives the detection camera 5 to move up and down through the first slot steel plate 3, the second slot steel plate 4 and the mounting seat 6 to change the working height of the detection camera 5;

[0073] When the locking cam 731 is in the closed position, the locking cam 732 is in the closed position, and the locking cam 733 is in the closed position. When the locking cam 733 is in the closed position, the locking cam 733 is in the closed position, and the locking cam 733 is in the closed position.

[0074] Step 3: When changing the use state of the detection camera 5 and the second slot steel plate 4, squeeze the connecting plate 722 to move toward the inside of the mounting shell 71, so that the connecting plate 722 drives the connecting frame 723 and the locking rod 724 to move, so that the locking rod 724 is separated from the rectangular column 721, and the detection camera 5 and the second slot steel plate 4 are in a parallel state. The detection camera 5 and the mounting seat 6 drive the rectangular column 721 to be plugged with the second slot steel plate 4 and the mounting shell 71, and under the action of the limit spring 743, the connecting plate 722 drives the connecting frame 723 and the locking rod 724 The reset movement causes the locking rod 724 to be plugged into the rectangular column 721, and the detection camera 5 and the second slot steel plate 4 are in a parallel connection use state. The detection camera 5 and the second slot steel plate 4 are in a vertical state docking, so that the detection camera 5 and the mounting seat 6 drive the rectangular column 721 to be plugged into the second slot steel plate 4 and the mounting shell 71, and under the action of the limit spring 743, the connecting plate 722 drives the connecting frame 723 and the locking rod 724 to reset and move, so that the locking rod 724 is plugged into the rectangular column 721, and the detection camera 5 and the second slot steel plate 4 are in a vertical connection use state.

[0075] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A circuit board detection lifting mechanism, comprising a lifting frame (1), on which a lifting mechanism (2) is mounted, characterized in that: Also includes: A first channel steel plate (3), wherein the first channel steel plate (3) is installed on one side of the lifting frame (1) through a lifting mechanism (2); A second channel steel plate (4), one end of the second channel steel plate (4) being rotatably connected to the first channel steel plate (3), and the second channel steel plate (4) having a vertical use state and a horizontal use state relative to the first channel steel plate (3); A detection camera (5) and a mounting seat (6), wherein the detection camera (5) is mounted on one side of the second channel steel plate (4) via the mounting seat (6), and the detection camera (5) and the second channel steel plate (4) have a vertical use state and a parallel use state; An assembly mechanism (7), wherein the assembly mechanism (7) is arranged inside the second channel steel plate (4), and the assembly mechanism (7) is used to lock the mounting seat (6) connected to the second channel steel plate (4) and the first channel steel plate (3).

2. A circuit board detection lifting mechanism according to claim 1, characterized in that: The assembly mechanism (7) comprises: An installation shell (71), wherein the installation shell (71) is arranged inside the second channel steel plate (4); A locking assembly (72), wherein the locking assembly (72) is arranged inside the mounting shell (71), and the locking assembly (72) is used to lock the mounting shell (71) and the mounting seat (6); A clamping assembly (73), the clamping assembly (73) being arranged inside the mounting shell (71), the clamping assembly (73) being used to lock the second channel steel plate (4) and the first channel steel plate (3); A limit assembly (74), wherein the limit assembly (74) is arranged inside the mounting shell (71), and the limit assembly (74) forms a linkage with the locking assembly (72) and the clamping assembly (73).

3. A circuit board detection lifting mechanism according to claim 2, characterized in that: The assembly mechanism (7) further comprises: A connecting shaft (75), the outer wall of the connecting shaft (75) is slidably inserted and sleeved with the second channel steel plate (4) and the first channel steel plate (3); A limit block (76), wherein the limit block (76) is fixedly connected to one end of the connecting shaft (75), and the limit block (76) is located outside the first channel steel plate (3); A clamping piece (77), one end of which is fixedly connected to the mounting shell (71); an annular groove (78) is formed on the outer wall of the connecting shaft (75); and the clamping piece (77) is clamped inside the annular groove (78).

4. A circuit board detection lifting mechanism according to claim 3, characterized in that: The locking assembly (72) comprises: A rectangular column (721), one end of which is fixedly connected to a mounting seat (6); A connecting plate (722), the outer wall of which is slidably sleeved with the mounting shell (71), and the connecting plate (722) is linked with the limiting assembly (74); A connecting frame (723), wherein the connecting frame (723) is fixedly connected to a side of the connecting plate (722) facing the inside of the mounting housing (71); A locking rod (724), one end of which is fixedly connected to the inner wall of the connecting frame (723), and an outer wall of the locking rod (724) is slidably engaged with the rectangular column (721).

5. A circuit board detection lifting mechanism according to claim 4, characterized in that: A rectangular hole (726) is provided on one side of the second groove steel plate (4) and one side of the mounting shell (71); the outer wall of the rectangular column (721) is slidably sleeved with the inner cavity of the rectangular hole (726); the connecting frame (723) is sleeved on one end of the outer wall of the rectangular column (721); a cross groove (725) is provided on the outer wall of the rectangular column (721); and the outer wall of the locking rod (724) is slidably sleeved with the inner cavity of the cross groove (725).

6. A circuit board detection lifting mechanism according to claim 5, characterized in that: The clamping assembly (73) comprises: A positioning plate (731), the outer wall of which is slidably connected to the mounting shell (71), and the positioning plate (731) is linked to the limiting assembly (74); A circular arc plate (733), the circular arc plate (733) is fixedly connected to the top of the first channel steel plate (3), and the side of the top of the circular arc plate (733) has a protruding blocking portion; A first locking groove (734), wherein the first locking groove (734) is provided at the top of the arc plate (733), and the positioning plate (731) is slidably engaged with the first locking groove (734) to lock the second slot steel plate (4) in a vertical use state; The second locking groove (735) is provided at the top of the first channel steel plate (3), and the positioning plate (731) is slidably engaged with the second locking groove (735) to lock the second channel steel plate (4) in a horizontal use state.

7. A circuit board detection lifting mechanism according to claim 6, characterized in that: The clamping assembly (73) further comprises: A sliding hole (732), wherein the sliding hole (732) is provided on the side of the second channel steel plate (4), and the outer wall of the positioning plate (731) is slidably engaged with the inner cavity of the sliding hole (732); A slot (736), wherein the slot (736) is provided on a side of the mounting shell (71), and one end of the outer wall of the positioning plate (731) is slidably sleeved with the slot (736); A connecting block (737), wherein the connecting block (737) is arranged inside the mounting housing (71), and one side of the connecting block (737) is fixedly connected to the positioning plate (731); A docking piece (738), wherein the docking piece (738) is fixedly connected to the other side of the connecting block (737).

8. A circuit board detection lifting mechanism according to claim 7, characterized in that: The limiting component (74) comprises: A connecting rod (741), wherein the top of the outer wall of the connecting rod (741) is rotatably connected to the connecting plate (722), and the outer wall of the connecting rod (741) is slidably sleeved with the docking piece (738); A knob (742), wherein the knob (742) is fixedly connected to the top of the connecting rod (741), and the knob (742) is located on the top of the connecting plate (722); A limit spring (743), wherein the limit spring (743) is slidably sleeved on the outside of the connecting rod (741), and the limit spring (743) is located between the docking piece (738) and the connecting plate (722).

9. A circuit board detection lifting mechanism according to claim 8, characterized in that: The limiting component (74) also includes: A first binding plate (744), the first binding plate (744) is fixedly connected to the bottom of the connecting rod (741); A second binding plate (745), the second binding plate (745) is fixedly connected to the inside of the mounting shell (71), and the second binding plate (745) is located on the top of the first binding plate (744); A guide rod (746), the top of which is fixedly connected to the second binding plate (745), the outer wall of which is slidably inserted and sleeved with the first binding plate (744), and the distance between the bottom of the guide rod (746) and the bottom of the inner wall of the mounting shell (71) is greater than the thickness of the first binding plate (744).

10. A method for using a circuit board detection lifting mechanism according to any one of claims 1 to 9, characterized in that: The specific usage steps are as follows: Step 1: When the detection camera (5) is working, the lifting mechanism (2) drives the detection camera (5) to move up and down through the first slot steel plate (3), the second slot steel plate (4) and the mounting seat (6), thereby changing the working height of the detection camera (5); Step 2: When changing the use state between the second slot steel plate (4) and the first slot steel plate (3), pull the positioning plate (731) to slide relative to the mounting shell (71), release the locking state of the second slot steel plate (4), and the second slot steel plate (4) rotates relative to the first slot steel plate (3) through the connecting shaft (75), so that the second slot steel plate (4) is in a vertical use state. Under the action of the limiting spring (743), the positioning plate (731) is snapped into the inside of the first locking groove (734), so that the positioning plate (731) locks the second slot steel plate (4) in the vertical use state. The second slot steel plate (4) rotates relative to the first slot steel plate (3) through the connecting shaft (75), so that the second slot steel plate (4) is in a horizontal use state. Under the action of the limiting spring (743), the positioning plate (731) is snapped into the inside of the second locking groove (735), so that the positioning plate (731) locks the second slot steel plate (4) in the horizontal use state. Step 3: When changing the use state of the detection camera (5) and the second slot steel plate (4), squeeze the connecting plate (722) to move toward the inside of the mounting shell (71), so that the connecting plate (722) drives the connecting frame (723) and the locking rod (724) to move, so that the locking rod (724) and the rectangular column (721) are separated, and the detection camera (5) and the second slot steel plate (4) are in a parallel state and docked, so that the detection camera (5) and the mounting seat (6) drive the rectangular column (721) to be plugged with the second slot steel plate (4) and the mounting shell (71), and under the action of the limit spring (743), the connecting plate (722) drives the connecting frame (723) and the locking rod (724) to move. ) resets and moves, so that the locking rod (724) is plugged into the rectangular column (721), and the detection camera (5) and the second slot steel plate (4) are in a parallel connection use state, and the detection camera (5) and the second slot steel plate (4) are in a vertical state docking, so that the detection camera (5) and the mounting seat (6) drive the rectangular column (721) to be plugged into the second slot steel plate (4) and the mounting shell (71), and under the action of the limit spring (743), the connecting plate (722) drives the connecting frame (723) and the locking rod (724) to reset and move, so that the locking rod (724) is plugged into the rectangular column (721), and the detection camera (5) and the second slot steel plate (4) are in a vertical connection use state.

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