CN219269177U

CN219269177U - PCB fixing jig with adjusting structure

Info

Publication number: CN219269177U
Application number: CN202222551258.3U
Authority: CN
Inventors: 张峰; 邓红卫; 许文超; 李希旺
Original assignee: Huizhou Miqi Technology Co ltd
Current assignee: Huizhou Miqi Technology Co ltd
Priority date: 2022-09-24
Filing date: 2022-09-24
Publication date: 2023-06-27
Anticipated expiration: 2032-09-24

Abstract

The utility model belongs to the field of PCBs, in particular to a PCB fixing jig with an adjusting structure, which comprises a bottom plate, wherein two ends of the top of the bottom plate are respectively provided with a rectangular groove, the rectangular grooves are connected with an adjusting structure in a sliding way, a sliding plate can slide in the rectangular grooves to drive an air cylinder to move in the rectangular grooves, a frame can rotate and slide on an output rod of the air cylinder, so that the position of a connecting column in the frame and the distance between the connecting column and the air cylinder can be adjusted, the position of a first pressing plate can be changed, the air cylinder is started, the output rod of the air cylinder is contracted, a first fixing block at the top of the air cylinder can downwards extrude the frame, the height of the frame is reduced, a first spring sleeved on the connecting column in the frame can be extruded by the frame, the first spring reversely extrudes the first pressing plate, the first pressing plate is tightly pressed against the PCB, the PCB fixing jig has the adjusting structure, the position of the first pressing plate can be extruded and fix PCBs with different sizes, the fixing stability of the PCBs is strong, and the precision of a PCB manufacturing process is ensured to be excellent.

Description

PCB fixing jig with adjusting structure

Technical Field

The utility model relates to the field of PCBs, in particular to a PCB fixing jig with an adjusting structure.

Background

The PCB fixing jig is used for fixing the PCB, is convenient to weld, drill and the like on the PCB, and further improves the production efficiency of the PCB.

The current fixed tool of PCB makes the clamp plate lifting through rotatory bolt through placing the PCB on the bottom plate, then makes the clamp plate decline through rotatory bolt with PCB joint between clamp plate and bottom plate, makes the clamp plate extrusion PCB to fix the PCB at the bottom plate top, then weld or operation such as drilling to the PCB.

The size of the PCB is different, the position of the pressing plate of the existing PCB fixing jig cannot be adjusted, PCBs with various sizes cannot be fixed, one end of the PCB can be fixed only due to the change of the size of the PCB, the PCB is not fixed, the stability is poor, and accordingly the precision of a PCB manufacturing process is poor.

Disclosure of Invention

In order to overcome the defects in the prior art and solve the problems, the utility model provides a PCB fixing jig with an adjusting structure.

The technical scheme adopted for solving the technical problems is as follows: the utility model discloses a PCB fixing jig with an adjusting structure, which comprises a bottom plate, wherein rectangular grooves are formed in two ends of the top of the bottom plate, the rectangular grooves are internally and slidably connected with the adjusting structure, the adjusting structure comprises a sliding plate, the sliding plate is slidably connected in the rectangular grooves, an air cylinder is fixedly connected to the top of the sliding plate, a first fixing block is fixedly connected to the output end of the air cylinder, a frame is sleeved on the air cylinder, the frame is positioned below the first fixing block, one end of the frame penetrates through a connecting column, a second fixing block is fixedly connected to the top of the connecting column, a first pressing plate is fixedly connected to the bottom of the connecting column, a first spring is sleeved at a position, corresponding to the position between the frame and the first pressing plate, of the side wall of the connecting column, the top of the first spring is fixedly connected to the bottom of the frame, and the bottom of the first spring is fixedly connected to the top of the first pressing plate.

Preferably, the side wall of the rectangular groove, which is close to the middle part of the bottom plate, is provided with a clamping groove, one side of the sliding plate, which is close to the clamping groove, is fixedly connected with a clamping block, and the clamping block can be slidably connected in the clamping groove.

Preferably, the rectangular opening has been seted up at the bottom plate middle part, the sliding connection has two sets of extrusion subassemblies in the rectangular opening, extrusion subassembly includes the dead lever, the dead lever runs through in the rectangular opening lateral wall, the dead lever is located the outer one end rigid coupling of rectangular opening has the handle, the dead lever is located the one end rigid coupling in the rectangular opening has the slider, the dead lever lateral wall corresponds the position cover between slider and the rectangular opening lateral wall and is equipped with the second spring, second spring one end rigid coupling is in the slider lateral wall, and the second spring other end rigid coupling is in the rectangular opening lateral wall, the slider top rigid coupling has the multiunit pillar, the bottom plate has been seted up corresponding to rectangular opening top position the multiunit spout, multiunit pillar all sliding connection in the spout, and multiunit pillar top rigid coupling has the second clamp plate.

Preferably, a plurality of groups of heat dissipation holes are formed in the top of the bottom plate, and the plurality of groups of heat dissipation holes penetrate through the bottom plate.

Preferably, the adjusting structure is provided with two groups, the two groups of adjusting structures are all connected in the rectangular groove in a sliding mode, and the rubber head is fixedly connected to the bottom of the first pressing plate.

Preferably, the two groups of extrusion assemblies are symmetrically arranged, and a rubber pad is glued on one side, close to the middle part of the bottom plate, of the second pressing plate.

The utility model has the advantages that:

1. according to the PCB fixing jig, the sliding plate can slide in the rectangular groove to drive the air cylinder to move in the rectangular groove, the frame can rotate and slide on the output rod of the air cylinder, so that the position of the connecting column in the frame and the distance between the connecting column and the air cylinder can be adjusted, the position of the first pressing plate can be changed, the air cylinder is started, the output rod of the air cylinder contracts, the first fixing block at the top of the air cylinder can downwards extrude the frame, the height of the frame is reduced, the first spring sleeved on the connecting column in the frame can be extruded by the frame, the first spring reversely extrudes the first pressing plate, the first pressing plate is tightly pressed against the PCB, the PCB fixing jig has an adjusting structure, the position of the first pressing plate can be adjusted, the PCBs with different sizes can be extruded and fixed, the stability of the PCB fixing is strong, and the precision of the PCB manufacturing process is guaranteed to be excellent.

2. According to the PCB fixing jig, the handle is held to pull the fixing rod, the sliding block drives the support to slide along the sliding groove, so that the second pressing plate at the top of the support slides at the top of the bottom plate, when the fixing rod is pulled, the second spring can be extruded, elastic potential energy is accumulated by the second spring, when the pressing plate abuts against the side wall of the PCB, the handle is slowly released, at the moment, the second spring presses the sliding block through the elastic potential energy accumulated by the second spring, the second pressing plate at the top of the sliding block is pressed against the side wall of the PCB, the PCB can be extruded by the extruding assembly of the PCB fixing jig, the PCB is further fixed at the top of the bottom plate, and the stability of the PCB fixing jig is improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the adjusting structure of the present utility model;

FIG. 3 is a schematic view of the bottom structure of the present utility model;

FIG. 4 is a schematic cross-sectional view of a rectangular port according to the present utility model;

fig. 5 is a schematic cross-sectional view of the present utility model.

In the figure: 1. a bottom plate; 2. rectangular grooves; 3. a first fixed block; 4. a frame; 5. a cylinder; 6. a second fixed block; 7. a connecting column; 8. a first spring; 9. a first platen; 10. a slide plate; 11. a clamping block; 12. a clamping groove; 13. a rectangular opening; 14. a slide block; 15. a fixed rod; 16. a second spring; 17. a handle; 18. a second pressing plate; 19. a support post; 20. a rubber pad; 21. a chute; 22. a heat radiation hole; 23. a rubber head.

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. 1-5, a PCB fixing jig with an adjusting structure includes a bottom plate 1, two ends of the top of the bottom plate 1 are provided with rectangular grooves 2, the rectangular grooves 2 are slidably connected with the adjusting structure, the adjusting structure includes a sliding plate 10, the sliding plate 10 is slidably connected in the rectangular grooves 2, an air cylinder 5 is fixedly connected to the top of the sliding plate 10, a first fixing block 3 is fixedly connected to the output end of the air cylinder 5, a frame 4 is sleeved on the air cylinder 5, the frame 4 is located below the first fixing block 3, one end of the frame 4 is penetrated with a connecting column 7, the top of the connecting column 7 is fixedly connected with a second fixing block 6, the bottom of the connecting column 7 is fixedly connected with a first pressing plate 9, a first spring 8 is sleeved on the side wall of the connecting column 7 corresponding to a position between the frame 4 and the first pressing plate 9, the top of the first spring 8 is fixedly connected to the bottom of the frame 4, and the bottom of the first spring 8 is fixedly connected to the top of the first pressing plate 9; during operation PCB size is different, current PCB fixed jig clamp plate position can not be adjusted, can not fix the PCB of various sizes, perhaps can lead to can only fixing PCB one end because of PCB size variation, make PCB fixed, stability is poor, thereby lead to the precision of PCB preparation technology relatively poor, this PCB fixed jig is through placing the PCB in bottom plate 1 top central authorities, slide 10 can slide in rectangular tank 2, make the cylinder 5 at slide 10 top can remove in rectangular tank 2, thereby adjust the position of cylinder 5, frame 4 can rotate and slide on the output pole of cylinder 5, thereby adjust the position of connecting column 7 in the frame 4 and the distance of connecting column 7 apart from cylinder 5, make the position of first clamp plate 9 can change through the regulation, adjust frame 4 and make the first clamp plate 9 of connecting column 7 bottom press at PCB top edge, start cylinder 5, because first fixed block 3 diameter is greater than frame 4 width, so the first fixed block 3 at cylinder 5 top can push down frame 4, make frame 4 high decline, thereby frame 4 inner diameter 7 is established to connect the frame 8 and is pressed by the first clamp plate 9 of frame 8 in the frame 4, thereby the frame 9 can be pressed from the frame 4 is pressed to the first clamp plate 9, the high-down, the diameter is guaranteed to the frame 9 is suitable for the frame 4, the diameter is adjusted from the top is adjusted, the frame 9 is pressed from the top to the top is good, the top is pressed from the frame 9, the top is pressed to the frame 9.

A clamping groove 12 is formed in the side wall, close to the middle of the bottom plate 1, of the rectangular groove 2, a clamping block 11 is fixedly connected to one side, close to the clamping groove 12, of the sliding plate 10, and the clamping block 11 can be slidably connected into the clamping groove 12; when the sliding plate sliding device works, the clamping blocks 11 are clamped in the clamping grooves 12, the sliding plate 10 is prevented from falling off from the rectangular grooves 2, and the clamping blocks 11 can move in the clamping grooves 12, so that the sliding plate 10 can move in the rectangular grooves 2.

The middle part of the bottom plate 1 is provided with a rectangular opening 13, two groups of extrusion assemblies are connected in a sliding manner in the rectangular opening 13, each extrusion assembly comprises a fixing rod 15, each fixing rod 15 penetrates through the side wall of the rectangular opening 13, one end of each fixing rod 15, which is positioned outside the rectangular opening 13, is fixedly connected with a handle 17, one end of each fixing rod 15, which is positioned in the rectangular opening 13, is fixedly connected with a sliding block 14, a second spring 16 is sleeved at the position, corresponding to the position between the sliding block 14 and the side wall of the rectangular opening 13, of each fixing rod 15, one end of each second spring 16 is fixedly connected with the side wall of the corresponding sliding block 14, the other end of each second spring 16 is fixedly connected with the side wall of the corresponding rectangular opening 13, a plurality of groups of supporting columns 19 are fixedly connected at the top of the sliding block 14, a plurality of groups of sliding grooves 21 are formed in the positions, corresponding to the top of the rectangular opening 13, and a plurality of groups of supporting columns 19 are fixedly connected with a second pressing plate 18. When the PCB fixing jig works, the handle 17 is held to pull the fixing rod 15, the slide block 14 drives the support column 19 to slide along the sliding groove 21, so that the second pressing plate 18 at the top of the support column 19 slides at the top of the bottom plate 1, when the fixing rod 15 is pulled, the second spring 16 is extruded, elastic potential energy is accumulated by the second spring 16, when the pressing plate abuts against the side wall of the PCB, the handle 17 is slowly released, at the moment, the elastic potential energy accumulated by the second spring 16 enables the second spring 16 to extrude the slide block 14, the second pressing plate 18 at the top of the slide block 14 tightly presses the side wall of the PCB, the extruding component of the PCB fixing jig can extrude the PCB, the PCB is further fixed at the top of the bottom plate 1, and the stability of the PCB fixing jig is increased.

A plurality of groups of heat dissipation holes 22 are formed in the top of the bottom plate 1, and the plurality of groups of heat dissipation holes 22 penetrate through the bottom plate 1; in operation, the PCB is fixed on the top of the bottom plate 1, and the heat dissipation holes 22 are arranged at the bottom of the PCB, so that the bottom of the PCB can dissipate heat through the heat dissipation holes 22 because the heat dissipation holes 22 penetrate through the bottom plate 1, and the PCB is prevented from being damaged due to overhigh temperature caused by welding or punching operation.

The two groups of the adjusting structures are respectively connected in the rectangular groove 2 in a sliding manner, and the rubber head 23 is fixedly connected to the bottom of the first pressing plate 9; in operation, the two groups of adjusting structures co-squeeze and fix the PCB, the rubber head 23 prevents the PCB from being damaged when the first pressing plate 9 squeezes the PCB, and the pressure applied to the PCB by the first pressing plate 9 is buffered.

The two groups of extrusion assemblies are symmetrically arranged, and a rubber pad 20 is glued to one side of the second pressing plate 18, which is close to the middle part of the bottom plate 1; when the PCB pressing device works, the two groups of pressing assemblies are symmetrically arranged in the rectangular opening 13, the second pressing plates 18 of the two groups of pressing assemblies are used for fixing the PCB in a co-pressing mode, the rubber pad 20 is located on one face of the second pressing plates 18, pressed against the PCB, and the second pressing plates 18 are prevented from being damaged or scratched.

According to the working principle, the sizes of PCBs are different, the positions of pressing plates of the existing PCB fixing jigs cannot be adjusted, PCBs with various sizes cannot be fixed, one end of each PCB can be fixed only due to the change of the sizes of the PCBs, the PCBs are fixed, stability is poor, and accordingly the precision of a PCB manufacturing process is poor. The sliding block 14 drives the supporting column 19 to slide along the sliding groove 21, so that the second pressing plate 18 at the top of the supporting column 19 slides at the top of the bottom plate 1, when the fixing rod 15 is pulled, the second spring 16 is extruded, elastic potential energy is accumulated by the second spring 16, when the pressing plate abuts against the side wall of the PCB, the handle 17 is slowly released, at the moment, the elastic potential energy accumulated by the second spring 16 enables the second spring 16 to extrude the sliding block 14, the second pressing plate 18 at the top of the sliding block 14 is tightly pressed against the side wall of the PCB, the rubber pad 20 is positioned on one surface of the second pressing plate 18 for extruding the PCB, the second pressing plate 18 is prevented from damaging or scratching the PCB, the extruding component of the PCB fixing jig can extrude the PCB, the PCB is further fixed at the top of the bottom plate 1, the stability of the PCB fixing jig is improved, the heat dissipation hole 22 is positioned at the bottom of the PCB, and the bottom of the PCB can dissipate heat through the heat dissipation hole 22, and the PCB is prevented from being damaged due to overhigh temperature caused by welding or punching and other operations.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. The utility model provides a PCB fixed jig with adjust structure, includes bottom plate (1), rectangular channel (2) have all been seted up at bottom plate (1) top both ends, sliding connection has adjust structure in rectangular channel (2), adjust structure includes slide (10), slide (10) sliding connection is in rectangular channel (2), its characterized in that: the utility model discloses a slide, including slide (10), cylinder (5) output rigid coupling has first fixed block (3), the cover is equipped with frame (4) on cylinder (5), frame (4) are located first fixed block (3) below, frame (4) one end is run through there is spliced pole (7), spliced pole (7) top rigid coupling has second fixed block (6), spliced pole (7) bottom rigid coupling has first clamp plate (9), position cover between spliced pole (7) lateral wall corresponding to frame (4) and first clamp plate (9) is equipped with first spring (8), first spring (8) top rigid coupling is in frame (4) bottom, and first spring (8) bottom rigid coupling is in first clamp plate (9) top.

2. The PCB fixing jig with adjusting structure according to claim 1, wherein: the side wall of the rectangular groove (2) close to the middle of the bottom plate (1) is provided with a clamping groove (12), one side of the sliding plate (10) close to the clamping groove (12) is fixedly connected with a clamping block (11), and the clamping block (11) can be slidably connected in the clamping groove (12).

3. The PCB fixing jig with adjusting structure according to claim 1, wherein: rectangular opening (13) have been seted up at bottom plate (1) middle part, sliding connection has two sets of extrusion subassembly in rectangular opening (13), extrusion subassembly includes dead lever (15), dead lever (15) run through in rectangular opening (13) lateral wall, one end rigid coupling that dead lever (15) are located outside rectangular opening (13) has handle (17), one end rigid coupling that dead lever (15) are located rectangular opening (13) has slider (14), the position cover that dead lever (15) lateral wall corresponds between slider (14) and rectangular opening (13) lateral wall is equipped with second spring (16), second spring (16) one end rigid coupling is in slider (14) lateral wall, and second spring (16) other end rigid coupling is in rectangular opening (13) lateral wall, slider (14) top rigid coupling has multiunit pillar (19), bottom plate (1) are corresponding to rectangular opening (13) top position and have seted up multiunit spout (21), multiunit pillar (19) all sliding connection in spout (21), and multiunit pillar (19) top rigid coupling has second clamp plate (18).

4. The PCB fixing jig with adjusting structure according to claim 1, wherein: a plurality of groups of radiating holes (22) are formed in the top of the bottom plate (1), and the plurality of groups of radiating holes (22) penetrate through the bottom plate (1).

5. The PCB fixing jig with adjusting structure according to claim 1, wherein: the adjusting structure is provided with two groups, the two groups of adjusting structures are all connected in the rectangular groove (2) in a sliding mode, and the bottom of the first pressing plate (9) is fixedly connected with a rubber head (23).

6. A PCB fixing jig with an adjusting structure according to claim 3, wherein: the two groups of extrusion assemblies are symmetrically arranged, and a rubber pad (20) is glued on one side of the second pressing plate (18) close to the middle of the bottom plate (1).