CN114007334B

CN114007334B - PCB positioning and supporting assembly and using method thereof

Info

Publication number: CN114007334B
Application number: CN202111663986.7A
Authority: CN
Inventors: 王辉; 颜克海; 钟玉
Original assignee: Guangzhou Honghi Tech Co ltd
Current assignee: Guangzhou Honghi Tech Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-03-18
Anticipated expiration: 2041-12-31
Also published as: CN114007334A

Abstract

The invention relates to the technical field of PCB production, in particular to a PCB positioning and supporting assembly and a use method thereof, wherein the PCB positioning and supporting assembly comprises two movably connected frame bodies, limiting mechanisms respectively fixedly connected to the frame bodies, and connecting plates fixedly connected to the frame bodies, wherein the middle parts of the two connecting plates are sleeved with limiting plates; the adjusting mechanisms are symmetrically arranged at the side edge positions of the frame body and used for adjusting the distance position between the two connecting plates; the clamping plate is used for clamping and fixing the circuit board to be processed, and the fixing mechanisms are arranged at the four corners of the top surface of the clamping plate and used for stably clamping the circuit board placed in the clamping plate. Through the fixture who sets up, can realize the stable centre gripping to the circuit board, and through the adjustment mechanism who sets up, can conveniently overturn the circuit board to guarantee the fixed of the circuit board processing benchmark behind the upset process, and make things convenient for the high-efficient processing of circuit board.

Description

PCB positioning and supporting assembly and using method thereof

Technical Field

The invention relates to the technical field of PCB production, in particular to a PCB positioning and supporting assembly and a using method thereof.

Background

The PCB is also called a printed circuit board, and is a provider for electrical connection of electronic components, and is divided into single-sided, double-sided, four-layered, six-layered and other multi-layered circuit boards according to the number of layers of the circuit board, wherein the circuit boards with different number of layers are the most basic single-sided PCB, the parts are concentrated on one side, and the wires are concentrated on the other side. Such "bridges" between circuits are called vias. The guide hole is a small hole which is filled or coated with metal on the PCB and can be connected with wires on two sides, in the actual production process, different lines need to be carved on the insulating plate, and the position of the output end of the carving machine is fixed, so the carving of the different lines needs to flexibly adjust the position of the PCB, and it is worth explaining that in the process, the datum of the PCB needs to be kept fixed, so that the accuracy in the processing process is improved, and the support component in the existing PCB processing device needs to manually adjust the datum, so that the PCB processing device is inconvenient.

Disclosure of Invention

Solves the technical problem

Aiming at the defects in the prior art, the invention provides a PCB positioning and supporting assembly and a using method thereof, which can effectively solve the problems that in the actual production process, different lines need to be engraved on an insulating plate, and the position of the output end of an engraving machine is fixed, so that the engraving of the different lines needs to be flexibly adjusted on the position of a PCB, and it is worth explaining that in the process, the reference of the PCB needs to be kept fixed, so that the accuracy in the processing process is improved, and the supporting assembly in the existing PCB processing device needs to be manually adjusted on the reference, so that the inconvenience is caused.

Technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

the invention provides a PCB positioning and supporting assembly which comprises two movably connected frame bodies and limiting mechanisms respectively fixedly connected to the frame bodies, wherein the limiting mechanisms are used for ensuring that the two frame bodies can be positioned on the same horizontal line after the positions of the two frame bodies are adjusted and comprise connecting plates fixedly connected to the frame bodies, and limiting plates are sleeved in the middle parts of the two connecting plates; the adjusting mechanisms are symmetrically arranged at the side edge positions of the frame body, are used for adjusting the distance position between the two connecting plates, and comprise displacement plates movably arranged relative to the frame body, the end parts of the displacement plates are adjusted in position through external hydraulic cylinders, and the top surfaces of the displacement plates are movably connected with rotating assemblies; the clamping device comprises a frame body, a clamping plate and a fixing mechanism, wherein the frame body is provided with a frame body, the frame body is provided with a frame top surface, the frame top surface is provided with a frame body, the frame body is provided with a frame top surface, the frame body is provided with a frame body, and the frame body is provided with a frame body; the clamping plate is characterized by further comprising rotating pieces arranged at two ends of the clamping plate, the rotating pieces are connected with mounting blocks fixedly mounted on the outer wall of the clamping plate in a rotating mode, and the tail ends of the rotating pieces are detachably connected with another mounting block fixedly mounted on the clamping plate.

Furthermore, the device also comprises a calibration rod movably connected to the middle part of the top surface of the limiting plate.

Furthermore, the rotating assembly comprises a rotating motor movably connected to the displacement plate, and a connecting sleeve is fixedly mounted at the output end of the rotating motor.

Furthermore, a clamping groove is formed in the inner end of the clamping plate, and a pre-clamping mechanism is further arranged inside the clamping groove and comprises rotating blocks which are uniformly arranged at the four corners of the clamping groove.

A use method of a PCB positioning and supporting assembly comprises the following steps:

s1: taking a circuit board to be engraved;

s2: rotating the rotating part movably connected to the side edge of the clamping plate around the end part of the clamping plate, so that the end part of the clamping groove arranged in the middle of the clamping plate is exposed outside;

s3: inserting the circuit board into the clamping groove from one end of the clamping groove along the arranged clamping groove, and pre-clamping the circuit board by a pre-clamping mechanism arranged in the clamping groove in the inserting process;

s4: the position of the circuit board fixed by the pre-clamping mechanism is adjusted to be aligned with the reference of the engraving machine, the circuit board is stably clamped by the arranged fixing plate and the arranged fastening screw through the arranged extrusion block, and then the circuit board can be engraved;

s5: after the one side processing of circuit board is accomplished, through the position of adjustment displacement board, can adjust the distance between two support bodies that set up, and make the grip block conveniently rotate, and after the rotation is accomplished, the position of the displacement board that reverse adjustment set up, and elastic connection's between two support bodies relation can realize resetting, realizes processing once more to the stable centre gripping of grip block again.

Advantageous effects

Compared with the known public technology, the technical scheme provided by the invention has the following beneficial effects:

the circuit board clamping device can realize stable clamping of the circuit board through the arranged clamping mechanism, can conveniently turn over the circuit board through the arranged adjusting mechanism, ensures the fixation of a circuit board processing benchmark after the turning process, is convenient for efficient processing of the circuit board, and can pre-fix the circuit board to be fixed in the circuit board clamping process through the pre-clamping mechanism arranged in the clamping groove, thereby ensuring that the circuit board cannot be easily loosened in the fixing process, and improving the mounting and fixing efficiency of the circuit board.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

FIG. 1 is a schematic view of the overall structure of the support assembly of the present invention;

FIG. 2 is a schematic structural view of the frame body of the present invention when separated from the connecting plate;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 4 is a schematic diagram of an explosive structure of the connecting plate and the limiting plate according to the present invention;

FIG. 5 is a schematic structural view of the frame body of the present invention when separated from the clamping plate;

FIG. 6 is a schematic view of the rotating member of the present invention rotating relative to the clamping plate;

FIG. 7 is a schematic view of the clamping plate of the present invention separated from the fixing plate;

FIG. 8 is a cross-sectional view of a clamping plate according to the present invention;

FIG. 9 is an enlarged view of the structure of FIG. 8 at B in accordance with the present invention;

FIG. 10 is a schematic diagram of the circuit board mounting process of the present invention;

fig. 11 is an enlarged view of the structure of fig. 10 at C according to the present invention.

The reference numerals in the drawings denote: 1. a frame body; 101. a placement groove; 2. a fixed block; 3. an elastic member; 4. a magnetic block; 5. a connecting plate; 501. an elastic band; 6. a limiting plate; 601. a limiting groove; 602. a rotating shaft; 7. a calibration rod; 701. a magnetic block A; 8. a displacement plate; 9. rotating the motor; 10. connecting sleeves; 11. a clamping plate; 1101. a clamping groove; 1102. a groove; 1103. a movable groove; 12. a lap plate; 13. a fixing plate; 14. extruding the block; 15. rotating the block; 1501. a rubber bulge; 16. a rotating member; 17. a connecting shaft; 18. mounting blocks; 19. a circuit board.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The present invention will be further described with reference to the following examples.

Example (b): a PCB positioning and supporting assembly comprises two movably connected frame bodies 1 and limiting mechanisms fixedly connected to the frame bodies 1 respectively, wherein the limiting mechanisms are used for ensuring that the two frame bodies 1 can be positioned on the same horizontal line after the positions of the two frame bodies are adjusted, the limiting mechanism comprises connecting plates 5 fixedly connected to the frame bodies 1, limiting plates 6 are sleeved in the middle of the two connecting plates 5, the two connecting plates 5 are arranged in a bent shape, the upper ends of the two connecting plates 5 are fixedly connected with the outer wall of the frame body 1 through screws, the inner sides of the lower ends of the two connecting plates 5 are fixedly connected through elastic belts 501, in order to ensure that the moving tracks of the two connecting plates 5 are relatively fixed, the limiting plates 6 are sleeved in the middle of the two connecting plates 5, limiting grooves 601 are formed in the middle of the limiting plates 6 in a penetrating manner, the bent parts of the lower ends of the connecting plates 5 are positioned in the inner positions of the limiting grooves 601 formed in the limiting plates 6, and the outer walls of the connecting plates 5 are in sliding fit with the inner walls of the limiting grooves 601, furthermore, when adjusting the distance between two frame bodies 1, the moving track can be limited, and simultaneously, in the process of fixing the circuit board 19, for the convenience of detection, a rotating shaft 602 is fixedly installed on the top surface of the limiting plate 6, a calibration rod 7 is rotatably connected to the rotating shaft 602, magnetic attraction blocks a701 are fixedly installed at both ends of the calibration rod 7, the magnetic attraction blocks a701 and the magnetic attraction blocks B fixedly installed on the inner wall of the frame body 1 keep a magnetic attraction relationship, and the length of the calibration rod 7 is adapted to the distance between the two frame bodies 1, so that when the magnetic attraction blocks a701 and the magnetic attraction blocks B keep a stable magnetic attraction, the distance between the two frame bodies 1 can be fixed, meanwhile, it is worth explaining that two groups of connecting pieces are uniformly arranged at the inner side of the lower end of the frame body 1, the connecting pieces comprise elastic pieces 3 respectively and fixedly connected to the inner end positions of the frame body 1, elastic component 3 is connected with fixed block 2 of fixed mounting in 1 both sides position of support body, and 4 magnetic adsorption of magnetic block are led to elastic component 3's the inner, can guarantee under natural state, can be close to each other between two support bodies 1.

Referring to the attached drawings 2-8, the adjusting mechanism, symmetrically disposed at the side position of the frame body 1, for adjusting the distance position between two connecting plates 5, includes a displacement plate 8 movably disposed relative to the frame body 1, the end of the displacement plate 8 is adjusted by an external hydraulic cylinder, the top surface of the displacement plate 8 is movably connected with a rotating component, the inner end and outer wall of the displacement plate 8 are both provided with an inclined surface, the outer wall of the inclined surface is in sliding fit with the outer wall of the connecting plate 5, during the actual use, because the outer end of the displacement plate 8 is fixedly connected with the output end of the external hydraulic cylinder, during the actual use, the output end of the hydraulic cylinder is controlled to drive the displacement plate 8 to adjust the position, specifically, when the distance between two displacement plates 8 gradually approaches, the outer wall of the displacement plate 8 drives the two movably connected connecting plates 5 to gradually move away from each other, in particular, the clamping mechanism placed at the upper side of the middle part of the two frame bodies 1 can be gradually unsupported, and the subsequent clamping plate 11 can be overturned.

Referring to fig. 2-8, a clamping plate 11 for clamping and fixing a circuit board 19 to be processed, a clamping plate 12 fixedly installed on two sides of an outer end of the clamping plate 11, the clamping plate 12 and a frame 1 being in a lap-joint relationship, and a fixing mechanism disposed at four corners of a top surface of the clamping plate 11 for stably clamping the circuit board 19 placed in the clamping plate 11, specifically, a clamping groove 1101 is formed in a middle portion of the clamping plate 11, the circuit board 19 is fixed at an inner position of the clamping groove 1101 during processing, and it should be noted that, after relative position fixing is performed by a pre-clamping mechanism disposed in the clamping plate 11, after relative position fixing is performed by fine adjustment, complete position fixing is performed by a fixing mechanism disposed at four corners of a top surface of the clamping plate 11, the fixing mechanism includes a fixing plate 13 movably connected to the clamping plate 11, the fixing plate 13 is bent, and the bent inner end of the fixing plate 13 can clamp the outer wall of the circuit board 19, it should be noted that a through groove is formed through the fixing plate 13 and can correspond to the position of the connecting groove formed on the outer wall of the clamping plate 11 for pre-fixing the position of the fixing plate 13, it should be noted that a corresponding thread groove is formed at the side position of each connecting groove, in particular, the thread groove corresponds to the position of the fastening screw connected to the fixing plate 13, specifically, after the position of the circuit board 19 is adjusted, the fastening screw is screwed, the fixing plate 13 can be driven to adjust the position, it should be noted that the fixing plate 13 takes the clamping plate 11 as the symmetric center, two sets are formed on the upper surface and the lower surface and are located inside the groove 1102 formed on the outer wall of the clamping plate 11, through screwing up in opposite directions, can realize the stable centre gripping to circuit board 19, especially, all fixed mounting has extrusion piece 14 on the outer wall of one side that is close to circuit board 19 on fixed plate 13, and this extrusion piece 14 that sets up can be the rubber material, in order to avoid at the fixed in-process of centre gripping, causes the damage to circuit board 19's outer wall.

Referring to fig. 2-9, the clamping device further includes a rotating member 16 disposed at two ends of the clamping plate 11, a connecting shaft 17 is fixedly installed at the middle portion of the outer wall of the rotating member 16, the rotating member 16 is rotatably connected to a mounting block 18 fixedly installed on the outer wall of the clamping plate 11, and the end of the rotating member 16 is detachably connected to another mounting block 18 fixedly installed on the clamping plate 11, it should be noted that the rotating member 16 and the clamping plate 11 are rotatably connected, and in the actual installation process, due to the detachable connection relationship between the other end of the rotating member 16 and the mounting block 18, the rotating member can be unlocked, so that the end of the clamping groove 1101 penetrating through the clamping plate 11 is exposed to the outside, thereby facilitating the installation and detachment of the circuit board 19.

Referring to fig. 1-11, the rotating assembly includes a rotating motor 9 movably connected to a displacement plate 8, a connecting sleeve 10 is fixedly installed on an output end of the rotating motor 9, the connecting sleeve 10 is inserted and matched with a connecting shaft 17, when the arranged displacement plate 8 drives the rotating motor 9 to approach to the rotating member 16, the connecting sleeve 10 can be matched with the connecting shaft 17, during the adjustment process of the displacement plate 8, the connecting sleeve 10 at the output end position is inserted and matched with the connecting shaft 17 which is fixedly connected with the clamping plate 11, then, when the displacement plate 8 continuously approaches, the outer end of the rotating motor 9 movably connected to the displacement plate 8 contacts with a control switch fixedly installed on the displacement plate 8, so that the output end of the rotating motor 9 rotates one hundred eighty degrees, and the rotating motor 9 adopts a servo motor, make this grip block 11 take place to rotate, and make the circuit board 19 of centre gripping in grip block 1101 realize the upset, realize the processing of two-sided circuit board, and after rotating motor 9 turned angle, the output that is used for controlling the outside pneumatic cylinder of displacement plate 8 this moment carries out reverse removal, it is worth explaining that, under this kind of state, because keep elastic connection's relation between two support bodies 1, when displacement plate 8 no longer causes the extrusion to connecting plate 5, can realize getting close again between two support bodies 1, and make the standing groove 101 of seting up on support body 1 reappear and support with the faying plate 12 of fixed mounting in grip block 11 outer end, and along with the gradual reset of displacement plate 8, two support bodies 1 can realize the centre gripping of clamp block 11 fixedly again.

Referring to fig. 1-11, the inner end of the clamping plate 11 is provided with a clamping groove 1101, a pre-clamping mechanism is further disposed inside the clamping groove 1101, the pre-clamping mechanism includes rotating blocks 15 uniformly disposed at four corners of the clamping groove 1101, the four corners of the inside of the clamping groove 1101 are provided with movable grooves 1103, the rotating blocks 15 are rotatably connected to inner walls of the movable grooves 1103 through rotating shafts, and the rotating shafts are sleeved with coil springs, it is worth describing that rubber protrusions 1501 are further fixedly connected to outer walls of the disposed rotating blocks 15, particularly along an installation direction of the circuit board 19, two adjacent rubber protrusions 1501 are respectively fixedly mounted on outer walls of two nearest rotating blocks 15, specifically, in an actual installation process of the circuit board 19, when the circuit board 19 is installed along the clamping groove 1101, outer walls of the circuit board 19 will contact with outer walls of the rotating blocks 15, and in the contact process, the rotating blocks 15 will be driven to rotate relative to the rotating shafts, it should be noted that the rubber protrusions 1501 on the two rotating blocks 15 that the circuit board 19 contacts first do not contact the outer wall of the circuit board 19 after the rotating blocks 15 rotate, and after the rotating blocks 15 contact the corresponding rotating blocks 15 at the subsequent two positions after the rotating blocks 15 are continuously installed, the rubber protrusions 1501 on the outer wall of the rotating blocks 15 after the rotating blocks 15 rotate contact the outer wall of the circuit board 19 and generate a certain extrusion force, so as to pre-fix the circuit board 19, and further, when the circuit board 19 is fixed by a fixing mechanism, the relative fixation of the circuit board 19 can be ensured, and the circuit board 19 is not easily loosened during the fixing process, so that the position of the circuit board 19 changes after the fixing is completed, and the reference changes.

s1: taking a circuit board 19 to be engraved;

s2: rotating a rotating member 16 movably connected to a side of the clamping plate 11 around an end of the clamping plate 11 so that an end of a clamping groove 1101 formed in a middle portion of the clamping plate 11 is exposed to the outside;

s3: inserting the circuit board 19 into the clamping groove 1101 from one end of the clamping groove 1101 along the opened clamping groove 1101, and in the inserting process, pre-clamping the circuit board 19 by a pre-clamping mechanism arranged in the clamping groove 1101;

s4: the position of the circuit board 19 fixed by the pre-clamping mechanism is adjusted to be aligned with the reference of the engraving machine, the circuit board 19 is stably clamped by the arranged fixing plate 13 and the arranged fastening screw through the arranged extrusion block 14, and then the circuit board 19 can be engraved;

s5: after the one side processing with circuit board 19 is accomplished, through the position of adjustment displacement plate 8, can adjust the distance between two support bodies 1 that set up, and make grip block 11 conveniently rotate, and after the rotation is accomplished, the position of the displacement plate 8 that reverse adjustment set up, and the elastic connection's between two support bodies 1 relation can realize reseing, realizes processing once more to grip block 11's stable centre gripping again.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not cause the essence of the corresponding technical solutions to depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A PCB circuit board location support assembly, comprising:

the device comprises two movably connected frame bodies (1) and limiting mechanisms respectively fixedly connected to the frame bodies (1), wherein the limiting mechanisms are used for ensuring that the two frame bodies (1) can be positioned on the same horizontal line after being adjusted in position and comprise connecting plates (5) fixedly connected to the frame bodies (1), and limiting plates (6) are sleeved in the middle of the two connecting plates (5);

the adjusting mechanisms are symmetrically arranged at the side edge positions of the frame body (1) and used for adjusting the distance position between the two connecting plates (5), each adjusting mechanism comprises a displacement plate (8) movably arranged relative to the frame body (1), the end part of each displacement plate (8) is adjusted in position through an external hydraulic cylinder, and the top surface of each displacement plate (8) is movably connected with a rotating assembly;

the clamping plate (11) is used for clamping and fixing the circuit board (19) to be processed, the middle part of the clamping plate (11) is provided with a clamping groove (1101) for placing the circuit board (19), and the four corners of the top surface and the bottom surface of the clamping plate (11) are respectively provided with a groove (1102), the two sides of the outer end of the clamping plate (11) are fixedly provided with a lapping plate (12), the lapping plate (12) and the frame body (1) keep lapping relation, the groove (1102) is also internally provided with a fixing mechanism which is used for stably clamping the circuit board (19) arranged in the clamping plate (11), the fixing mechanism comprises a fixing plate (13) arranged on the inner wall of the groove (1102), the fixing plate (13) is detachably connected with the groove (1102) through a fastening screw, an extrusion block (14) is arranged on the outer wall of one side, close to the circuit board (19), of the fixing plate (13);

the clamping device is characterized by further comprising rotating pieces (16) arranged at two ends of the clamping plate (11), wherein the rotating pieces (16) are rotatably connected with mounting blocks (18) fixedly mounted on the outer wall of the clamping plate (11), and the tail ends of the rotating pieces (16) are detachably connected with the other mounting block (18) fixedly mounted on the clamping plate (11).

2. A PCB positioning and supporting assembly according to claim 1, further comprising a calibration bar (7) movably connected to the middle of the top surface of the limiting plate (6).

3. The PCB positioning and supporting assembly of claim 1, wherein the rotating assembly comprises a rotating motor (9) movably connected to the displacement plate (8), and a connecting sleeve (10) is fixedly installed on the output end of the rotating motor (9).

4. The PCB positioning and supporting assembly of claim 1, wherein the clamping groove (1101) is internally provided with a pre-clamping mechanism which comprises rotating blocks (15) uniformly arranged at four corners of the clamping groove (1101).

5. The use method of the PCB circuit board positioning support assembly according to any one of the claims 1 to 4, characterized by comprising the following steps:

s1: taking a circuit board (19) to be engraved;

s2: rotating a rotating member (16) movably connected to the side edge of the clamping plate (11) around the end of the clamping plate (11) so as to expose the end of a clamping groove (1101) formed in the middle of the clamping plate (11) to the outside;

s3: inserting the circuit board (19) into the clamping groove (1101) from one end of the clamping groove (1101) along the opened clamping groove (1101), and in the inserting process, pre-clamping the circuit board (19) by a pre-clamping mechanism arranged in the clamping groove (1101);

s4: the position of the circuit board (19) fixed by the pre-clamping mechanism is adjusted to be aligned with the reference of the engraving machine, and the pressing block (14) arranged on the outer wall of the fixing plate (13) can be close to the circuit board (19) by screwing the fastening screw, so that the circuit board (19) can be stably clamped, and then the circuit board (19) can be engraved;

s5: after the one side processing with circuit board (19) is accomplished, through the position of adjustment displacement board (8), can adjust the distance between two support bodies (1), and make grip block (11) conveniently rotate, and after the rotation is accomplished, the position of the displacement board (8) of reverse adjustment setting combines the relation of the elastic connection between two support bodies (1), can realize resetting, realizes processing once more to the stable centre gripping of grip block (11) again.