CN112108813A

CN112108813A - A PCB board clamping fixing device for electronic component welding maintenance

Info

Publication number: CN112108813A
Application number: CN201910537626.9A
Authority: CN
Inventors: 贾顺飞
Original assignee: Guangzhou Node Electronics Co ltd
Current assignee: Guangzhou Node Electronics Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-12-22

Abstract

The invention provides a PCB clamping and fixing device for welding and maintaining electronic elements, which comprises a fixed claw, a movable supporting arm and a movable supporting arm adjusting handle, wherein the movable claw is arranged on the movable supporting arm; a static supporting arm is fixedly arranged at the upper end of the left side of the base, and a control box is arranged on the outer wall of the static supporting arm through a bolt; the upper end of the static supporting arm is in shaft connection with a fixed grab in a rotating way, and the fixed grab consists of four parts, namely a movable grab, a rubber clamping block and a static grab and an electromagnetic adsorption block; the rear side of base is provided with gas cleaning ware, and gas cleaning ware is connected with the control box electric property. This a PCB board clamp that is used for welding of electron element to maintain is held fixing device and is equipped with fixed grabbing and is provided with for controlling two parts, and fixed grabbing rotates respectively to install on quiet support arm and the upper end inside wall that moves the support arm to fixed grabbing on the quiet support arm carries on spacingly through rotating the locking handle, is favorable to realizing the upset to the board through fixed rotation of grabbing, thereby improves installation and maintenance welding operation to the board.

Description

A PCB board clamping fixing device for electronic component welding maintenance

Technical Field

The invention relates to the technical field of PCB clamping equipment, in particular to a PCB clamping and fixing device for welding and maintaining electronic components.

Background

The PCB, which is called a printed circuit board in chinese, is an important electronic component, a support for electronic components, and a carrier for electrical connection of electronic components. Because it is made by electronic printing, so it is called "printed" circuit board, and the PCB board needs to be clamped in the remanufacturing and maintaining process, thereby better performing the later working procedure operation.

The invention of the prior patent number 201510878178.0 through patent retrieval describes a PCB plate holder with adjustable size, which comprises a frame type frame and a PCB plate clamped in the frame type frame; a groove is formed in the inner side wall of the frame, and two ends of the PCB are respectively arranged in the grooves in the left side wall and the right side wall of the frame; the frame-shaped frame comprises a sleeve with two side openings in a cavity structure, a fixed rod arranged in the inner cavity of the sleeve and sliding rods respectively connected with the fixed rod through springs; and the frame is provided with a winding post. In the invention, the sliding rod is arranged in the sleeve in a sliding manner, so that the clamp holder is adjustable and can be suitable for PCB boards with different sizes. The spring is arranged for stretching the sliding rod to prevent the sliding rod from sliding out of the sleeve. The winding posts arranged on the PCB are used for collecting circuits scattered on the PCB, and the heat dissipation of the PCB is guaranteed not to be affected.

The invention also relates to the technical field of PCB (printed circuit board) with the patent number of 201711269062.2, in particular to a PCB holder which comprises a processing box, an extrusion plate arranged in the processing box, a holding mechanism fixed on one side of the processing box and a collecting box arranged at one end of the processing box. The sliding columns are extruded from the two sides of the processing box, so that the sliding columns are separated from the limiting grooves, the longitudinal spring extrudes the extrusion plate by utilizing the elasticity of the longitudinal spring, the sliding columns return to the interior of the sliding rail, the sliding columns move in the interior of the sliding rail, the extrusion plate moves towards the outlet end, and the printed circuit board positioned on the surface of the placing plate is pushed towards the outlet end while moving, so that the printed circuit board is favorably transported after detection is finished, dust is prevented from being adhered to the surface of the printed circuit board due to direct manual operation, and the qualification rate of the printed circuit board is improved; promote to collect the box and move to one side direction far away from the processing box, with the cardboard from the inside separation of draw-in groove, the box and the separation of processing box will be collected to the favourable, conveniently transports the printed circuit board of collecting box inside.

The PCB board that is used for electron component welding maintenance now holds fixing device structural design and is traditional relatively, improve in many aspects fixed, other supplementary aspects do not have too much involvement, thereby it is slightly poor to have led to the fact current structure regulation performance, can not carry out the upset of centre gripping PCB board according to the user demand, thereby be unfavorable for the welding observation maintenance of the electrical components in later stage, and current device does not design smoking device, thereby the welding cigarette that produces when can not welding adsorbs, thereby can influence staff's healthy, and the scope that current device is suitable for the circuit board is less.

Disclosure of Invention

The invention aims to provide a PCB clamping and fixing device for welding and maintaining electronic elements, and aims to solve the problems that the structural design provided in the background art is traditional, the adjusting performance is slightly poor, the PCB cannot be turned and adjusted, a smoke absorbing device is not arranged, and the application range is small.

The purpose and the effect of the PCB clamping and fixing device for welding and maintaining electronic components are achieved by the following specific technical means:

a PCB clamping and fixing device for welding and maintaining electronic components comprises a base, a control box, a static supporting arm, a rotary locking handle, a smoke purifier, a smoke absorption disc, a fixed claw, a movable claw limiting clamping block, a rubber clamping block, a buffer spring, a static claw, an electromagnetic adsorption block, a limiting clamping groove, a movable supporting arm and a movable supporting arm adjusting handle; a static supporting arm is fixedly arranged at the upper end of the left side of the base, and a control box is arranged on the outer wall of the static supporting arm through a bolt; the upper end of the static supporting arm is in shaft connection with a fixed grab in a rotating way, and the fixed grab consists of four parts, namely a movable grab, a rubber clamping block and a static grab and an electromagnetic adsorption block; the rear side of base is provided with gas cleaning ware, and gas cleaning ware is connected with the control box electric property.

Furthermore, move support arm adjustment handle screw thread and rotate and connect in the bottom right side of base, and move support arm adjustment handle's left side and rotate and connect in moving support arm bottom inboard to move the support arm and through moving support arm adjustment handle sliding connection in the top of base.

Furthermore, a shaped sliding block is arranged at the bottom side of the movable supporting arm, and the movable supporting arm is slidably arranged in a sliding groove formed in the upper side of the base through the shaped sliding block arranged at the bottom.

Further, fixed grabbing is provided with for controlling two parts, and fixed grabbing rotates respectively and installs on quiet support arm and the upper end inside wall that moves the support arm to fixed grabbing on the quiet support arm carries out spacingly through rotating the locking handle.

Furthermore, the top of quiet grab is fixed and is provided with the electromagnetic adsorption piece, and moves and grab electromagnetic adsorption and install on the top side terminal surface of electromagnetic adsorption piece to the electromagnetic adsorption piece is connected with the control box electrical property.

Furthermore, two limiting clamping grooves are symmetrically formed in the top side of the electromagnetic adsorption block, two movable grabbing limiting clamping blocks are symmetrically arranged on the bottom wall of the movable grab, and the movable grab is clamped in the limiting clamping grooves in the top side of the electromagnetic adsorption block through the two movable grabbing limiting clamping blocks.

Furthermore, the rubber clamping blocks are provided with four groups, and the rear sides of the rubber clamping blocks are provided with buffer springs.

Furthermore, a smoke absorption disc is arranged on the fixed wall on the rear side of the base, the central position of a smoke suction port of the smoke absorption disc corresponds to the fixed claw, and the smoke absorption disc is communicated with the smoke purifier through a pipeline.

Compared with the prior structure, the invention has the following beneficial effects:

move the support arm adjustment handle screw thread rotation and connect in the bottom right side of base, and move the left side rotation of support arm adjustment handle and connect in moving support arm bottom inboard, and move the support arm through moving support arm adjustment handle sliding connection in the top of base, be favorable to rotating through moving support arm adjustment handle and realize adjusting to moving the control of support arm, thereby realize changing the interval of change support arm and quiet support arm, so that make the device be suitable for the board of various sizes.

The bottom side of the movable supporting arm is provided with a tangible sliding block, the movable supporting arm is slidably mounted in the middle of a sliding groove formed in the upper side of the base through the tangible sliding block arranged at the bottom, the design of the tangible sliding block is beneficial to improving the stability of the movable supporting arm moving on the upper side of the base, and the standing supporting strength of the movable supporting arm can also be effectively improved.

The fixed of being equipped with is grabbed and is provided with for controlling two parts, and fixed grab rotate respectively install on quiet support arm and the upper end inside wall that moves the support arm to fixed grabbing on the quiet support arm carries on spacingly through rotating the locking handle, is favorable to realizing the upset to the board through the rotation of fixed grabbing, thereby improves installation and maintenance welding operation to the board.

The top of the quiet top of grabbing that is equipped with is fixed to be provided with the electromagnetic adsorption piece, and moves and grab electromagnetic adsorption and install on the top side terminal surface of electromagnetic adsorption piece to the electromagnetic adsorption piece is connected with the control box electrical property, is favorable to through the quick realization of electromagnetic adsorption piece quiet of electromagnetic adsorption and the centre gripping of moving the claw, thereby improves centre gripping fixed strength and stability.

Two limit clamping grooves are symmetrically formed in the top side of the electromagnetic adsorption block, two movable clamping blocks are symmetrically arranged on the bottom wall of the movable clamping block, the movable clamping blocks are clamped in the limit clamping grooves in the top side of the electromagnetic adsorption block through the two movable clamping blocks, and therefore the movable clamping block is favorable for being quickly clamped in a limiting mode and is convenient to better achieve clamping operation.

The rubber that is equipped with presss from both sides tight piece and is provided with four groups altogether, and the rear side of rubber clamp tight piece all is provided with buffer spring, is favorable to increasing the distance in the middle of the tight back of rubber clamp tight piece clamp through buffer spring's buffering effect to the realization is to insisting on the board, prevents effectively that the centre gripping from pressing from both sides the board badly.

The fixed wall mounting of base rear side that is equipped with is provided with the flue gas absorption dish, and the central point of the mouth of smoking of flue gas absorption dish puts and fixedly grabs and be corresponding the design to the flue gas absorption dish is linked together through pipeline and gas cleaning ware, is favorable to welding the cigarette when welding electric element and carries out effectual absorption, thereby improves the operational environment when the device uses.

Drawings

FIG. 1 is a schematic diagram of a three-dimensional left side structure of the present invention;

FIG. 2 is a schematic diagram of the right three-dimensional structure of the present invention;

FIG. 3 is a schematic front view of the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of a three-dimensional rear side structure of the present invention;

FIG. 6 is a schematic view of an exploded three-dimensional structure of the present invention;

FIG. 7 is a schematic view of an exploded three-dimensional partial enlarged structure of the present invention;

FIG. 8 is a schematic view of the three-dimensional bottom view of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a base; 2. a control box; 3. a static support arm; 4. rotating the locking handle; 5. a flue gas purifier; 6. a flue gas absorption pan; 7. fixing the grab; 701. moving and grabbing; 701a, moving to grasp a limit clamping block; 702. a rubber clamping block; 702a, a buffer spring; 703. static grabbing; 704. an electromagnetic adsorption block; 704a, a limit slot; 8. a movable support arm; 9. the movable supporting arm adjusts the handle.

Detailed Description

The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 8:

the invention provides a PCB clamping and fixing device for welding and maintaining electronic components, which comprises: the device comprises a base 1, a control box 2, a static support arm 3, a rotary locking handle 4, a smoke purifier 5, a smoke absorption disc 6, a fixed claw 7, a movable claw 701, a movable claw limit clamping block 701a, a rubber clamping block 702, a buffer spring 702a, a static claw 703, an electromagnetic adsorption block 704, a limit clamping groove 704a, a dynamic support arm 8 and a dynamic support arm adjusting handle 9; a static supporting arm 3 is fixedly arranged at the upper end of the left side of the base 1, and a control box 2 is mounted on the outer wall of the static supporting arm 3 through bolts; the upper end of the static support arm 3 is rotatably provided with a fixed claw 7 in a shaft connection manner, and the fixed claw 7 consists of a movable claw 701, a rubber clamping block 702, a static claw 703 and an electromagnetic adsorption block 704; the rear side of base 1 is provided with smoke purifier 5, and smoke purifier 5 is connected with 2 electric properties of control box.

Wherein, it connects in the bottom right side of base 1 to move support arm adjustment handle 9 screw thread rotation, and moves the left side rotation of support arm adjustment handle 9 and connect in moving 8 bottom inboards of support arm to move support arm 8 through moving the top of support arm adjustment handle 9 sliding connection in base 1, be convenient for rotate through moving support arm adjustment handle 9 and realize moving support arm 8 about adjusting, thereby realize changing the interval of support arm 8 and quiet support arm 3, so that make the device be suitable for the PCB board of various sizes, according to fig. 2 shown.

Wherein, it is provided with T shape slider to move 8 bottom sides of support arm, and moves support arm 8 and in the middle of the spout that the T shape slider slidable mounting that the bottom set up was seted up on 1 upside of base, and the design of T shape slider is convenient for improve and is moved the stability that support arm 8 removed on 1 upside of base to can also effectively improve and move support arm 8 and stand and support intensity.

Wherein, fixed 7 of grabbing are provided with for controlling two parts, and fixed 7 of grabbing rotate respectively install on quiet support arm 3 and the upper end inside wall that moves support arm 8 to fixed 7 of grabbing on the quiet support arm 3 carries on spacingly through rotating locking handle 4, is convenient for realize the upset to the PCB board through fixed rotation of grabbing 7, thereby improves installation and maintenance welding operation to the PCB board, according to fig. 1 shown.

Wherein, the fixed electromagnetic adsorption piece 704 that is provided with in top of quiet grab 703, and move and grab 701 electromagnetic adsorption and install on the top side terminal surface of electromagnetic adsorption piece 704 to electromagnetic adsorption piece 704 is connected with control box 2 electrical property, is convenient for through the quick centre gripping of realizing quiet grab 703 and moving grab 701 of electromagnetic adsorption piece 704, thereby improves centre gripping fixed strength and stability, as shown in fig. 6.

Two limiting clamping grooves 704a are symmetrically formed in the top side of the electromagnetic adsorption block 704, two limiting clamping blocks 701a of the movable claw 701 are symmetrically formed in the bottom wall of the movable claw 701, and the movable claw 701 is clamped in the limiting clamping grooves 704a in the top side of the electromagnetic adsorption block 704 through the two limiting clamping blocks 701a of the movable claw 701, so that the movable claw 701 can be rapidly limited and placed, and clamping operation can be better achieved as shown in fig. 6-8.

Wherein, rubber clamp block 702 is provided with four groups altogether, and the rear side of rubber clamp block 702 all is provided with buffer spring 702a, is convenient for increase the distance in the middle of rubber clamp block 702 presss from both sides tight back through buffer spring 702 a's buffering effect to the realization is to the insisting on of PCB board, prevents effectively that the centre gripping from pressing from both sides the PCB board badly excessively tightly, shows according to fig. 7.

Wherein, the installation of base 1 rear side fixed wall is provided with flue gas absorption dish 6, and the central point of the mouth of smoking of flue gas absorption dish 6 puts and is corresponding the design with fixed 7 of grabbing to flue gas absorption dish 6 is linked together through pipeline and gas purifier 5, and the welding cigarette when being convenient for weld electric appliance component carries out effectual absorption, thereby improves the operational environment when the device uses, according to fig. 1.

The specific use mode and function of the embodiment are as follows:

need rotate the interval of adjusting movable support arm 8 and quiet support arm 3 through moving support arm adjustment handle 9 according to the specification of PCB board, then will move and grab 701 and take off and put the PCB board on quiet 703 of grabbing, then will move and grab 701 card above, then start electromagnetic adsorption piece 704 through control box 2 and realize the quick absorption centre gripping to the PCB board, then open the gas purifier 5 of rear side, alright welding operation carries out, and can unscrew through manual and rotate the upset that the locking handle 4 realized the PCB board, so that more convenient welding maintenance makes.

In summary, although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the technical solutions described in the foregoing embodiments or equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a PCB board clamping fixing device for electronic component welding maintenance which characterized in that: the PCB clamping and fixing device for welding and maintaining electronic components comprises a base (1), a control box (2), a static supporting arm (3), a rotary locking handle (4), a smoke purifier (5), a smoke absorption disc (6), a fixed claw (7), a movable claw (701), a movable claw limiting clamping block (701a), a rubber clamping block (702), a buffer spring (702a), a static claw (703), an electromagnetic adsorption block (704), a limiting clamping groove (704a), a movable supporting arm (8) and a movable supporting arm adjusting handle (9); a static supporting arm (3) is fixedly arranged at the upper end of the left side of the base (1), and a control box (2) is mounted on the outer wall of the static supporting arm (3) through a bolt; the upper end of the static support arm (3) is in shaft connection with a fixed claw (7) in a rotating mode, and the fixed claw (7) is composed of a movable claw (701), a rubber clamping block (702), a static claw (703) and an electromagnetic adsorption block (704); the rear side of base (1) is provided with gas cleaning ware (5), and gas cleaning ware (5) and control box (2) electric connection.

2. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: move support arm adjustment handle (9) screw thread and rotate and connect in the bottom right side of base (1), and move the left side of support arm adjustment handle (9) and rotate and connect in moving support arm (8) bottom inboard to move support arm (8) through moving support arm adjustment handle (9) sliding connection in the top of base (1).

3. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: the bottom side of the movable supporting arm (8) is provided with a T-shaped sliding block, and the movable supporting arm (8) is slidably arranged in a sliding groove formed in the upper side of the base (1) through the T-shaped sliding block arranged at the bottom.

4. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: the fixed claw (7) is provided with a left part and a right part, the fixed claw (7) is respectively rotatably arranged on the inner side wall of the upper end of the static support arm (3) and the inner side wall of the upper end of the dynamic support arm (8), and the fixed claw (7) on the static support arm (3) is limited by rotating the locking handle (4).

5. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: the top of the static grab (703) is fixedly provided with an electromagnetic adsorption block (704), the movable grab (701) is installed on the end face of the top side of the electromagnetic adsorption block (704) in an electromagnetic adsorption mode, and the electromagnetic adsorption block (704) is electrically connected with the control box (2).

6. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: two limiting clamping grooves (704a) are symmetrically formed in the top side of the electromagnetic adsorption block (704), two movable grabbing limiting clamping blocks (701a) are symmetrically arranged on the bottom wall of the movable grabbing block (701), and the movable grabbing block (701) is clamped in the limiting clamping grooves (704a) in the top side of the electromagnetic adsorption block (704) through the two movable grabbing limiting clamping blocks (701 a).

7. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: the rubber clamping blocks (702) are provided with four groups, and the rear sides of the rubber clamping blocks (702) are provided with buffer springs (702 a).

8. The PCB board clamping fixture for soldering repairs of electronic components of claim 1, wherein: the smoke absorption device is characterized in that a smoke absorption disc (6) is arranged on the fixed wall of the rear side of the base (1), the central position of a smoke absorption opening of the smoke absorption disc (6) corresponds to the fixed claw (7), and the smoke absorption disc (6) is communicated with the smoke purifier (5) through a pipeline.