CN220087569U

CN220087569U - Fixing device is used in PCB processing

Info

Publication number: CN220087569U
Application number: CN202320908200.1U
Authority: CN
Inventors: 谢太高; 张二标
Original assignee: Wuhan Jingxiao Technology Co ltd
Current assignee: Wuhan Jingxiao Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-11-24
Anticipated expiration: 2033-04-21

Abstract

The utility model relates to a fixing device for PCB processing, which comprises a bottom box and a positioning assembly, wherein a holding mechanism is arranged in the bottom box, a back plate is fixed on the upper surface of the bottom box, a double-shaft module is fixed on the upper surface of the interior of the back plate, an electric push rod is fixed on the lower surface of the double-shaft module, and a processing head body is fixed on the lower surface of the electric push rod; the clamping mechanism comprises a motor fixed with the right end of the bottom box, a rotating rod is fixed on one side, penetrating through and extending to the inside of the bottom box, of an output shaft of the motor, two driving sprockets are fixed on the outer surface of the rotating rod, and a chain is connected to the outer surface of the driving sprockets in a transmission mode. This fixing device for PCB processing is through setting up fixture, when cooperation locating component used, can be convenient carry out stable and reliable centre gripping to the PCB board of different thickness and different width, thereby avoided the PCB board to appear dropping the problem that thereby influences machining efficiency in the course of working.

Description

Fixing device is used in PCB processing

Technical Field

The utility model relates to the technical field of PCB processing, in particular to a fixing device for PCB processing.

Background

The name of PCB is printed circuit board, also called printed circuit board, which is an important electronic component, is a support for electronic components, is a carrier for electrical connection of electronic components, and is called "printed circuit board" because it is made by electronic printing.

Based on China patent (bulletin number: CN 216781521U), a fixing device for PCB processing is provided, and the technical scheme is as follows: the fixing mechanism comprises a fixing base, the top of the fixing base is provided with a fixing mechanism, the fixing mechanism comprises a fixing groove body, a groove and two rotating shafts, the fixing groove body is formed in the top of the fixing base, the groove is formed in the top of the fixing base and is located at the outer side of the fixing groove body, the two rotating shafts are movably connected in the groove, two through holes are formed in two sides of the inner part of the fixing groove body, a fixing plate movably inserted in the through holes is fixedly connected to the outer side of the rotating shaft, the top of the fixing plate is fixedly connected with a fixing column located in the fixing groove body, deep grooves are formed in the fixing groove body, a jacking block is fixedly sleeved at one end of the outer side of the rotating shaft, a first pushing column and a second pushing column are slidably connected to the inner side of the groove, a fixing shaft is fixedly connected with a handle at one end of the outer side of the fixing base, a pushing block is fixedly connected between the first pushing column and the second pushing column, and a pushing block is fixedly connected to the bottom of the groove is located below the long groove; the beneficial effects brought by adopting the technical scheme are as follows: the fixed plate is driven to rotate by a certain angle through the rotating shaft, so that the fixed column is buckled in the fixing hole of the printed circuit board, the printed circuit board is fixed, the fixing is simple and quick, the processing efficiency is effectively improved, meanwhile, the printed circuit board is prevented from vibrating due to processing equipment in the processing process, the printed circuit board is separated from the fixing groove body, and the processing precision is affected.

According to the technical scheme, the applicant searches that the problem to be improved exists, for example, when the PCB circuit board is clamped, the PCB board with different sizes is often required to be fixed, when the PCB board with different sizes is fixed, the clamp is inconvenient to adapt to the PCB with different sizes to stably and reliably clamp, the problem that the PCB board falls in the subsequent processing process is caused, and the processing failure is caused, so that the fixing device for the PCB processing is provided to solve the problem.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the fixing device for PCB processing, which has the advantage of being convenient for clamping the PCB with different sizes, and solves the problem of unstable clamping caused by the fact that the clamp cannot be adapted to the size of the PCB.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the fixing device for PCB processing comprises a bottom box and a positioning assembly, wherein a holding mechanism is arranged in the bottom box, a back plate is fixed on the upper surface of the bottom box, a double-shaft module is fixed on the upper surface of the inner part of the back plate, an electric push rod is fixed on the lower surface of the double-shaft module, and a processing head body is fixed on the lower surface of the electric push rod; the clamping mechanism comprises a motor fixed with the right end of a bottom box, an output shaft of the motor penetrates through and extends to one side inside the bottom box to be fixed with a rotating rod, two driving sprockets are fixed on the outer surface of the rotating rod, a chain is connected to the outer surface of each driving sprocket in a transmission mode, one end of each chain, far away from each driving sprocket, is connected with a driven sprocket in a transmission mode, a threaded pipe is fixed on the inner peripheral wall of each driven sprocket, a threaded rod is connected with the inner peripheral wall of each threaded pipe in a threaded mode, a fixing ring is fixed on the outer surface of each threaded rod, a limiting rod is fixed on the lower surface of each fixing ring, and the clamping mechanism further comprises two mounting blocks fixed on the upper surface of the bottom box.

Further, one section of each of the two opposite mounting blocks is rotatably connected with one end of each of the two threaded pipes opposite to each other through a bearing.

Further, a chute is formed in the upper surface of the bottom box, and the two limiting rods are located in the chute and are in sliding connection with the chute.

Further, two square holes penetrating through the top wall of the inner cavity of the bottom box are formed in the upper surface of the bottom box, the chain is located in the square holes, a thread groove is formed in the inner peripheral wall of the threaded pipe, and the directions of threads on the outer surfaces of the threaded rods are opposite.

Further, the locating component comprises a frame fixed relative to the two threaded rods, the upper surfaces of the two frames are connected with connecting rods penetrating through the frame in a sliding mode, the lower surface of each connecting rod is fixedly provided with a circular plate, the lower surface of each circular plate is fixedly provided with a buffer pad, the upper surfaces of the two buffer pads are fixedly provided with springs, and the upper surfaces of the two connecting rods are fixedly provided with handles.

Further, the two frames are hollow, the opposite ends of the two frames are in a missing box body, the front surface and the back surface of the two frames are in a missing box body, the top surface of the spring is fixed with the top wall of the inner cavity of the frame, and the frame is C-shaped.

Further, the outer surface of the connecting rod is sleeved with the spring, and the buffer cushion is a soft buffer cushion.

Compared with the prior art, the technical scheme of the utility model has the following beneficial effects:

this fixing device is used in PCB processing through setting up fixture, when cooperation locating component used, can be convenient carry out stable and reliable centre gripping to the PCB board of different thickness and different width, thereby avoided the PCB board to appear dropping the problem that thereby influences machining efficiency in the course of working.

Drawings

FIG. 1 is a schematic view of the overall structure of the present utility model;

FIG. 2 is a schematic view of a clamping mechanism according to the present utility model;

fig. 3 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 1. a bottom box; 2. a clamping mechanism; 201. a motor; 202. a rotating rod; 203. a drive sprocket; 204 chains, 205, driven sprockets; 206. a threaded tube; 207. a threaded rod; 208. a fixing ring; 209. a limit rod; 210. a mounting block; 3. a positioning assembly; 301. a frame; 302. a connecting rod; 303. a circular plate; 304. a cushion pad; 305. a spring; 306. a handle; 4. a back plate; 5. a biaxial module; 6. an electric push rod; 7. and processing the head body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1, the fixing device for PCB processing in this embodiment includes a bottom case 1 and a positioning assembly 3, a chute is formed on an upper surface of the bottom case 1, two square holes penetrating through a top wall of an inner cavity of the bottom case 1 are formed on an upper surface of the bottom case 1, a holding mechanism 2 is disposed in the bottom case 1, a back plate 4 is fixed on an upper surface of the bottom case 1, a dual-shaft module 5 is fixed on an upper surface of the back plate 4, an electric push rod 6 is fixed on a lower surface of the dual-shaft module 5, and a processing head body 7 is fixed on a lower surface of the electric push rod 6.

In this embodiment, through adopting fixture 2 and locating component 3, can be convenient carry out stable and reliable centre gripping to the PCB board of different thickness and width, further start biax module 5 and drive electric putter 6 and remove suitable position, start electric putter 6 and remove suitable height with processing head body 7, further process the PCB board.

Referring to fig. 1 and 2, in order to clamp PCB boards with different widths, the clamping mechanism 2 in this embodiment includes a motor 201 fixed to the right end of the chassis 1, an output shaft of the motor 201 penetrates through and extends to one side inside the chassis 1 to fix a rotating rod 202, two driving sprockets 203 are fixed to the lower surface of the rotating rod 202, a chain 204 is connected to the outer surface of the driving sprockets 203 in a driving manner, the chain 204 is located inside a square hole, one end of the chain 204 away from the driving sprockets 203 is connected with a driven sprocket 205 in a driving manner, an inner circumferential wall of the driven sprocket 205 is fixed with a threaded pipe 206, a threaded groove is formed in the inner circumferential wall of the threaded pipe 206, an inner circumferential wall of the threaded pipe 206 is in threaded connection with a threaded rod 207, the outer surfaces of the two threaded rods 207 are opposite in direction to each other for moving the two threaded rods 207 toward opposite or backward ends, a fixing ring 208 is fixed to the outer surface of the threaded rod 207, a limiting rod 209 is fixed to the lower surface of the fixing ring 208, the two limiting rods 209 are both located inside the sliding grooves and are slidingly connected to the sliding grooves for placing the threaded rods 207 to rotate along the threaded pipe 206, the two mounting blocks 210 are fixed to the upper surface of the chassis 1, and two mounting blocks 210 are mounted on the opposite sides of the threaded pipe 206 for supporting two threaded pipes 206 to rotate.

In this embodiment, by starting the motor 201, the two threaded rods 207 are driven to move to a relative section, and when moving to a proper distance, the PCB board is placed in the frame positioning assembly 3, so that the PCB boards with different widths are fixed.

Referring to fig. 3, in order to fix PCB boards with different thicknesses, the positioning assembly 3 in this embodiment includes a frame 301 fixed opposite to two threaded rods 207, the frame 301 is C-shaped, the two frames 301 are hollow and have a box body with one end missing and the other end missing, and the front and back surfaces missing, the upper surfaces of the two frames 301 are all slidably connected with a connecting rod 302 penetrating through the two frames, a circular plate 303 is fixed on the lower surface of the connecting rod 302, a cushion 304 is fixed on the lower surface of the circular plate 303, the cushion 304 is a soft cushion, the problem that the circular plate 303 is directly contacted with the PCB board to cause damage to the PCB board is avoided, springs 305 are fixed on the upper surfaces of the two cushion 304, the outer surfaces of the connecting rod 302 are sleeved with the springs 305, the top surfaces of the springs 305 are fixed on the top wall of the inner cavity of the frame 301, and handles 306 are fixed on the upper surfaces of the two connecting rods 302.

In this embodiment, the handle 306 is pulled to further place the PCB below the cushion pad 304, and the handle 306 is further released to move the cushion pad 304 downward under the elastic action of the spring 305, so as to achieve the purpose of fixing the PCBs with different thicknesses.

The working principle of the embodiment is as follows:

when the PCBs with different sizes are required to be processed, the motor 201 is started firstly, the output shaft of the motor 201 rotates to drive the rotating rod 202 to rotate, in the rotating process of the rotating rod 202, two driving chain wheels 203 positioned on the outer surface of the rotating rod 202 are driven to rotate, in the rotating process of the two driving chain wheels 203, two driven chain wheels 205 are driven to rotate through the chain 204, in the rotating process of the two driven Lina wheels 205, the threaded pipe 206 is driven to rotate, the threaded pipe 207 is driven to move further by the two threaded pipes 206, and the threaded pipe 207 does not rotate along with the threaded pipe 206 due to the limiting effect of the limiting rod 209 and the sliding groove, but moves towards one opposite or opposite ends when the threaded pipe 206 rotates, so that PCBs with different widths are adapted; when the PCB needs to be clamped, the two handles 306 are pulled upwards, the two handles 306 drive the connecting rod 302 to move upwards in the upward moving process, when the connecting rod 302 moves upwards, the circular plate 303 is driven to extrude the spring 305, the spring 305 is extruded to deform, the buffer pad 304 is further driven to move upwards, the PCB is placed on the bottom wall of the inner cavity of the frame 301, the handles 306 are slowly loosened, under the elastic action of the spring 305, the two circular plates 303 are driven to drive the buffer pad 304 to move downwards, and therefore the lower surface of the buffer pad 304 is attached to the upper surface of the PCB, and the purpose of fixing the PCB is achieved; after the fixation is completed, the electric push rod 6 and the processing head body 7 are moved to the proper positions by the work of the double-circumference module 5, the processing head body 7 is moved to the proper height by the work of the electric push rod 6, and the PCB is further fixed by the processing head body 7.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Fixing device is used in PCB processing, including base box (1) and locating component (3), its characterized in that: the automatic clamping device is characterized in that a clamping mechanism (2) is arranged in the bottom box (1), a back plate (4) is fixed on the upper surface of the bottom box (1), a double-shaft module (5) is fixed on the upper surface of the interior of the back plate (4), an electric push rod (6) is fixed on the lower surface of the double-shaft module (5), and a machining head body (7) is fixed on the lower surface of the electric push rod (6);

the utility model provides a clamping mechanism (2) including motor (201) fixed with base case (1) right-hand member, the output shaft of motor (201) runs through and extends to one side of base case (1) inside and is fixed with bull stick (202), the external surface of bull stick (202) is fixed with two driving sprocket (203), the surface transmission of driving sprocket (203) is connected with chain (204), the one end transmission that driving sprocket (203) was kept away from to chain (204) is connected with driven sprocket (205), the inner peripheral wall of driven sprocket (205) is fixed with screwed pipe (206), the inner peripheral wall threaded connection of screwed pipe (206) has threaded rod (207), the external surface of threaded rod (207) is fixed with solid fixed ring (208), the lower surface of solid fixed ring (208) is fixed with gag lever post (209), clamping mechanism (2) still include with two installation piece (210) of fixed surface on base case (1).

2. The fixing device for PCB processing of claim 1, wherein: the opposite sections of the two mounting blocks (210) are rotatably connected with the opposite ends of the two threaded pipes (206) through bearings.

3. The fixing device for PCB processing of claim 1, wherein: the upper surface of the bottom box (1) is provided with a sliding groove, and the two limiting rods (209) are both positioned in the sliding groove and are in sliding connection with the sliding groove.

4. The fixing device for PCB processing of claim 1, wherein: the upper surface of the bottom box (1) is provided with two square holes penetrating through the top wall of the inner cavity of the bottom box (1), the chain (204) is positioned in the square holes, the inner peripheral wall of the threaded pipe (206) is provided with a threaded groove, and the directions of threads on the outer surfaces of the two threaded rods (207) are opposite.

5. The fixing device for PCB processing of claim 1, wherein: the positioning assembly (3) comprises a frame (301) fixed relative to two threaded rods (207), the upper surfaces of the two frames (301) are respectively and slidably connected with a connecting rod (302) penetrating through the frame, a circular plate (303) is fixed on the lower surface of the connecting rod (302), a buffer pad (304) is fixed on the lower surface of the circular plate (303), springs (305) are respectively fixed on the upper surfaces of the buffer pads (304), and handles (306) are respectively fixed on the upper surfaces of the connecting rods (302).

6. The fixing device for PCB processing of claim 5, wherein: the two frames (301) are hollow, the opposite ends of the two frames are in a box body, the front faces and the back faces of the two frames are in a missing mode, the top faces of the springs (305) are fixed with the top wall of an inner cavity of each frame (301), and the frames (301) are in a C shape.

7. The fixing device for PCB processing of claim 5, wherein: the outer surface of the connecting rod (302) is sleeved with a spring (305), and the buffer pad (304) is a soft buffer pad.