PCB board clamping robot arm and its control method for electrical professional practice class

Abstract

The present invention discloses a PCB board clamping mechanical arm for electrical professional practice class, comprising a mounting seat and a clamping rod, wherein a clamping hole for inserting the clamping rod is arranged inside the mounting seat, a clamping mechanism for clamping the clamping rod and a guide hole for inserting the clamping rod are arranged on the mounting seat, a limiting hole corresponding to the position of the guide hole and for inserting the clamping rod is arranged on the clamping rod, a clamping groove is provided on the clamping rod, a connecting rod is movably arranged inside the clamping groove, an activity chamber is arranged inside the clamping rod, and an activity rod cooperating with the connecting rod is arranged in the activity chamber. The PCB board clamping mechanical arm for electrical professional practice class of the present invention fixes the clamping rod inside the mounting seat by means of a clamping rod arranged on the guide hole and a clamping ring arranged on the mounting seat, so that the clamping rod can be installed and disassembled when in use, and it is convenient for operators to use. The present invention also discloses a control method for a PCB board clamping mechanical arm for electrical professional practice class.

Description

Technical Field

[0001] The invention belongs to the technical field of teaching experimental equipment, and in particular to a PCB board clamping mechanical arm for electrical professional practice classes and a control method thereof. Background Art

[0002] PCB, or printed circuit board, is one of the important components of the electronics industry. Almost every electronic device, from electronic watches and calculators to computers, communication electronic equipment, and military weapon systems, as long as there are electronic components such as integrated circuits, must use printed circuit boards to make electrical interconnections between the various components. The printed circuit board consists of an insulating base plate, connecting wires, and pads for assembling and welding electronic components. It has the dual functions of a conductive line and an insulating base plate.

[0003] During the teaching process, a clamping machine is needed to operate the PCB board, but the existing clamping machine is not convenient to install and use, and the clamping effect is poor. Summary of the invention

[0004] The present invention aims to solve at least one of the technical problems existing in the prior art. To this end, the present invention provides a PCB board clamping mechanical arm for electrical professional practice class, the purpose of which is to facilitate installation and use.

[0005] In order to achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a PCB board clamping robot arm for electrical professional practice class includes a mounting seat and a clamping rod, the mounting seat is provided with a clamping hole for the clamping rod to be inserted, the mounting seat is provided with a clamping mechanism for clamping the clamping rod and a guide hole for inserting the clamping rod, the clamping rod is provided with a limiting hole corresponding to the position of the guide hole and for inserting the clamping rod, the clamping rod is provided with a clamping groove, a connecting rod is movably provided inside the clamping groove, an active chamber is provided inside the clamping rod, and an active rod cooperating with the connecting rod is provided in the active chamber.

[0006] The clamping mechanism comprises two clamping rings which cooperate to clamp the clamping rod, and the two clamping rings are rotatably connected to the mounting seat.

[0007] A clamping plate is arranged on one side of the clamping ring, and a connecting plate is arranged on the other side of the clamping ring. A mounting hole is opened on the connecting plate, and bolts are arranged in the mounting hole. The two clamping rings are connected by the bolts.

[0008] A motor and a threaded rod connected to the motor are arranged inside the activity chamber. The motor drives the threaded rod to rotate, and the threaded rod is threadedly connected to the activity rod.

[0009] A top block and a clamping sleeve are arranged inside the movable chamber, a compression spring is sleeved on the movable rod, a stop block cooperating with the compression spring is arranged on the movable rod, and the compression spring is clamped between the clamping sleeve and the stop block.

[0010] The motor is a brushless motor.

[0011] A card seat is arranged on the inner wall of the activity chamber, a card slot is arranged inside the card seat, a clamping spring for applying elastic force to the abutment plate is arranged in the card slot, the abutment plate is connected to the pull rod, and the pull rod is rotatably connected to the connecting rod.

[0012] One end of the connecting rod is provided with a clamping plate for contacting the PCB board, and the other end of the connecting rod is provided with a convex rod, the convex rod is rotatably connected with the movable rod, and the clamping plate is located in the clamping groove.

[0013] The present invention also provides a control method for a PCB board clamping mechanical arm for electrical professional practice classes, comprising the steps of:

[0014] S1, inserting the clamping rod into the interior of the mounting seat, passing the clamping rod through the guide hole, and installing and fixing the clamping rod through the limiting hole;

[0015] S2, fixing the clamping rod with a clamping mechanism disposed on the mounting seat;

[0016] S3. The threaded rod is driven to rotate by a motor arranged inside the movable chamber, thereby driving the movable rod to move. The movable rod drives the connecting rod to rotate, so that the connecting rod can cooperate with the clamping rod to clamp the PCB board.

[0017] The PCB board clamping mechanical arm for electrical professional practice classes of the present invention is convenient for users to contact the inner wall of the clamping groove through the connecting rod when in use, thereby fixing the wire to be clamped, and improving the use effect of the device; the clamping rod is fixed inside the mounting seat by a clamping rod arranged on the guide hole and a clamping ring arranged on the mounting seat, which is convenient for installation and disassembly of the clamping rod when in use, and convenient for use by operators; the PCB board clamping mechanical arm for electrical professional practice classes and the control method thereof are convenient for users to install and use through simple structural design, and have high practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] This specification includes the following drawings, which show the following contents:

[0019] Figure 1 It is a structural schematic diagram of a PCB board clamping mechanical arm for electrical professional practice class of the present invention;

[0020] Figure 2 is a schematic diagram of the mounting base structure;

[0021] Figure 3 It is a schematic diagram of the internal structure of the clamp rod;

[0022] Figure 4 yes Figure 3 The enlarged schematic diagram at A in the middle;

[0023] The markings in the figure are:

[0024] 1. Mounting seat; 10. Mounting hole; 100. Clamping hole; 101. Clamping rod; 102. Clamping ring; 103. Bolt; 104. Clamping rod; 105. Clamping groove; 106. Clamping plate; 107. Connecting plate; 108. Guide hole; 110. Activity chamber; 111. Clamping plate; 112. Top block; 113. Clamping sleeve; 114. Compression spring; 115. Abutment block; 116. Threaded rod; 117. Motor; 118. Limiting hole; 109. Connecting rod; 120. Clamping groove; 121. Clamping seat; 122. Retaining spring; 123. Abutment plate; 124. Pull rod; 126. Protruding rod; 127. Activity rod. DETAILED DESCRIPTION

[0025] The specific implementation methods of the present invention are further explained in detail below by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the concept and technical solution of the present invention and facilitating its implementation.

[0026] like Figures 1 to 4 As shown, the present invention provides a PCB board clamping robot arm for electrical professional practice classes, including a mounting seat 1 and a clamping rod 104, wherein the mounting seat 1 is provided with a clamping hole 100 for fixing the clamping rod 104, the top of the mounting seat 1 is provided with a clamping ring 102, the outer wall of the mounting seat 1 is provided with a guide hole 108, the bottom of the clamping rod 104 is provided with a limiting hole 118 corresponding to the position of the guide hole 108, the guide hole 108 is provided with a clamping rod 101, and the clamping rod 104 is fixed to the inside of the mounting seat 1 by the clamping rod 101 provided on the guide hole 108 and the clamping ring 102 provided on the mounting seat 1, so that the clamping rod 104 can be installed and disassembled when in use, and it is convenient for operators to use. The guide hole 108 is a circular hole provided on the outer circumferential surface of the lower end of the mounting seat 1, and the axis of the guide hole 108 is perpendicular to the axis of the mounting seat 1. The limiting hole 118 is a circular hole provided at the lower end of the clamping rod 104, and the limiting hole 118 is provided to penetrate along the radial direction of the clamping rod 104. After the lower end of the clamping rod 104 is inserted into the clamping hole 100 of the mounting seat 1, the clamping rod 101 is passed through the guide hole 108 and the limiting hole 118 on the clamping rod 104 at the same time, and the clamping rod 104 can be fixed on the mounting seat 1.

[0027] The clamping rod 104 is provided with a clamping groove 105, which is a groove formed from the center of the upper end surface of the clamping rod 104 toward the inside of the clamping rod 104. A connecting rod 109 is movably provided inside the clamping groove 105. The clamping rod 104 is provided with an active chamber 110. The active chamber 110 is located below the clamping groove 105 and the two are connected. An active rod 127 that cooperates with the connecting rod 109 is provided inside the active chamber 110. By providing the connecting rod 109 inside the clamping groove 105, it is convenient to move the connecting rod 109 toward the inner wall of the clamping groove 105 during use, and then use the clamping plate 111 on the connecting rod 109 to contact the PCB board, so as to fix the PCB board to be clamped, thereby improving the use effect of the device.

[0028] Specifically, the movable chamber 110 is provided with a motor 117 inside, and the motor 117 (the motor 117 can be selected but not limited to a brushless motor) is provided with a threaded rod 116 that cooperates with the movable rod 127. The motor 117 drives the threaded rod 116 to rotate, and the movable rod 127 is provided with a screw hole for the threaded rod 116 to rotate. Through the mutual cooperation between the movable rod 127 and the threaded rod 116, after the motor 117 drives the threaded rod 116 to rotate, the threaded rod 116 can drive the movable rod 127 to move axially. The threaded rod 116 and the movable rod 127 are coaxially arranged with the mounting seat 1 and the clamping rod 104.

[0029] Specifically, a top block 112 and a ferrule 113 are provided inside the movable chamber 110, a compression spring 114 cooperating with the movable rod 127 is provided on the ferrule 113, a stopper 115 cooperating with the compression spring 114 is provided on the outer wall of the movable rod 127, and the stopper 115 is used to limit the movement of the movable rod 127. The stopper 115 is fixedly connected to the movable rod 127, and the compression spring 114 is sandwiched between the stopper 115 and the ferrule 113. The compression spring 114 is a compression spring, and the compression spring 114 applies an upward elastic force to the movable rod 127 to avoid direct contact between the stopper 115 and the ferrule 113 during use, thereby preventing the stopper 115 from being damaged, and playing a buffering and protective role for the stopper 115 during movement.

[0030] Specifically, a holder 121 is provided on the inner wall of the activity chamber 110, a slot 120 is provided inside the holder 121, a spring 122 is provided inside the slot 120, a plate 123 is connected to the spring 122, a pull rod 124 is provided on the plate 123, and the pull rod 124 is movably connected to the connecting rod 109. The spring 122 is sandwiched between the plate 123 and the inner wall surface of the slot 120, and the spring 122 is a compression spring. The spring 122 applies an elastic force to the plate 123, thereby buffering and limiting the movement of the pull rod 124. The plate 123 is fixedly connected to one end of the pull rod 124, and the other end of the pull rod 124 is rotatably connected to the lower end of the connecting rod 109.

[0031] Specifically, a clamping plate 111 is provided on one side of the connecting rod 109, and a convex rod 126 cooperating with the movable rod 127 is provided on the other side of the connecting rod 109. The convex rod 126 and the pull rod 124 are connected to the lower end of the connecting rod 109, one end of the convex rod 126 is fixedly connected to the lower end of the connecting rod 109, and the other end of the convex rod 126 is rotatably connected to the upper end of the movable rod 127. The lower end of the movable rod 127 is threadedly connected to the threaded rod 116. The rotation center line of the rotation connection between the convex rod 126 and the movable rod 127 is parallel to the rotation center line of the rotation connection between the pull rod 124 and the connecting rod 109, and the rotation center line of the rotation connection between the convex rod 126 and the movable rod 127 is perpendicular to the axis of the mounting seat.

[0032] Specifically, a clamping plate 106 is provided on one side of the clamping ring 102, a connecting plate 107 is provided on the other side of the clamping ring 102, a mounting hole 10 is provided on the connecting plate 107, and a bolt 103 is provided inside the mounting hole 10. The clamping ring 102 is an arc-shaped structure, the axis of the clamping ring 102 is parallel to the axis of the mounting seat, one end of the clamping ring 102 in the arc length direction is rotatably connected to the upper end of the mounting seat, and the connecting plate 107 is provided at the other end of the clamping ring 102 in the arc length direction. The clamping hole 100 is a circular hole formed by being recessed along the axis from the upper end face of the mounting seat toward the inside of the mounting seat. After the clamping rod is inserted into the clamping hole 100, the two clamping rings 102 are closed. After the connecting plates 107 on the two clamping rings 102 are in contact, the bolts 103 are passed through the mounting holes 10 on the two connecting plates 107 to fix the two clamping rings 102 so that the two clamping rings 102 can clamp and fix the clamping rod, and the inner circular surfaces of the two clamping rings 102 are in contact with the outer circular surface of the clamping rod.

[0033] In addition, the present invention also provides a PCB board clamping mechanical arm for electrical professional practice class and a control method thereof, comprising the following steps:

[0034] S1, insert the clamp rod 104 into the mounting seat 1, pass the clamp rod 101 through the guide hole 108, and install and fix the clamp rod 104 through the limiting hole 118;

[0035] S2, clamping the clamping ring 102 provided on the mounting seat 1 onto the outer wall of the clamping rod 104, and fixing the clamping rod 104 by cooperating with the connecting plate 107 and the bolt 103;

[0036] S3. The motor 117 disposed inside the movable chamber 110 is used to drive the threaded rod 116 to rotate, thereby driving the movable rod 127 to move. The movable rod 127 drives the protruding rod 126 disposed at the bottom of the connecting rod 109, so that the connecting rod 109 contacts the inner wall of the clamping groove 105, thereby clamping the required PCB board.

[0037] The present invention is described above by way of example in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-mentioned methods. As long as various non-substantial improvements are made using the method concept and technical solution of the present invention; or the above concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. The PCB board clamping robot arm for electrical professional practice class is characterized by: It comprises a mounting seat and a clamping rod, wherein a clamping hole for inserting the clamping rod is arranged inside the mounting seat, a clamping mechanism for clamping the clamping rod and a guide hole for inserting the clamping rod are arranged on the mounting seat, a limiting hole corresponding to the position of the guide hole and for inserting the clamping rod is arranged on the clamping rod, a clamping groove is opened on the clamping rod, a connecting rod is movably arranged inside the clamping groove, an active chamber is arranged inside the clamping rod, and an active rod cooperating with the connecting rod is arranged in the active chamber; One end of the connecting rod is provided with a clamping plate for contacting the PCB board, and the other end of the connecting rod is provided with a convex rod, the convex rod is rotatably connected to the movable rod, and the clamping plate is located in the clamping groove; The clamping groove is a groove formed from the center of the upper end surface of the clamping rod and is recessed toward the inside of the clamping rod. The active chamber is located below the clamping groove and the two are connected. The clamping mechanism comprises two clamping rings which cooperate to clamp the clamping rod, and the two clamping rings are rotatably connected to the mounting seat; The limiting hole is arranged at the bottom of the clamp rod, the guide hole is a circular hole arranged on the outer circumferential surface of the lower end of the mounting seat, the axis of the guide hole is perpendicular to the axis of the mounting seat, the limiting hole is a circular hole arranged at the lower end of the clamp rod and the limiting hole is arranged to penetrate along the radial direction of the clamp rod; A holder is provided on the inner wall of the activity chamber, a slot is provided inside the holder, a retaining spring for applying elastic force to the push plate is provided in the slot, the push plate is connected to the pull rod, the pull rod is rotatably connected to the connecting rod, the retaining spring is clamped between the push plate and the inner wall surface of the slot, the retaining spring is a compression spring, the retaining spring applies elastic force to the push plate, thereby buffering and limiting the movement of the pull rod, the push plate is fixedly connected to one end of the pull rod, and the other end of the pull rod is rotatably connected to the lower end of the connecting rod.

2. The PCB board clamping mechanical arm for electrical professional practice class according to claim 1 is characterized in that: A clamping plate is arranged on one side of the clamping ring, and a connecting plate is arranged on the other side of the clamping ring. A mounting hole is opened on the connecting plate, and bolts are arranged in the mounting hole. The two clamping rings are connected by the bolts.

3. The PCB board clamping mechanical arm for electrical professional practice class according to claim 1 is characterized in that: A motor and a threaded rod connected to the motor are arranged inside the activity chamber. The motor drives the threaded rod to rotate, and the threaded rod is threadedly connected to the activity rod.

4. The PCB board clamping mechanical arm for electrical professional practice class according to claim 3 is characterized in that: A top block and a clamping sleeve are arranged inside the movable chamber, a compression spring is sleeved on the movable rod, a stop block cooperating with the compression spring is arranged on the movable rod, and the compression spring is clamped between the clamping sleeve and the stop block.

5. The PCB board clamping mechanical arm for electrical professional practice class according to claim 4 is characterized in that: The motor is a brushless motor.

6. The PCB board clamping mechanical arm for electrical professional practice class according to claim 2 is characterized in that: The clamping ring is an arc-shaped structure, the axis of the clamping ring is parallel to the axis of the mounting seat, one end of the clamping ring in the arc length direction is rotatably connected to the upper end of the mounting seat, and the other end of the clamping ring in the arc length direction is provided with a connecting plate.

7. The control method of the PCB board clamping mechanical arm for electrical professional practice class according to any one of claims 1 to 6, characterized in that: Includes steps: S1, inserting the clamping rod into the interior of the mounting seat, passing the clamping rod through the guide hole, and installing and fixing the clamping rod through the limiting hole; S2, fixing the clamping rod with a clamping mechanism disposed on the mounting seat; S3. The threaded rod is driven to rotate by a motor arranged inside the movable chamber, thereby driving the movable rod to move. The movable rod drives the connecting rod to rotate, so that the connecting rod can cooperate with the clamping rod to clamp the PCB board.

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