CN220858505U - PCB board center positioning structure - Google Patents

Abstract

The utility model discloses a central positioning structure of a PCB (printed circuit board), which comprises a bottom plate of a positioning structure, support plates fixedly arranged on two sides of the top of the bottom plate, support columns fixedly arranged at the centers of the tops of the support plates, clamping parts arranged on the inner sides of the support columns, rotating parts arranged on the outer sides of the support columns and a lifting structure arranged at the bottom of the bottom plate, wherein each clamping part comprises a support frame arranged on the top side between the two support columns, two sliding shafts arranged on the inner sides of the support frames, two limit springs arranged on the periphery of the sliding shafts, an adjusting handle arranged above the limit plate at the top and limit holes arranged on the limit plate at one side of the adjusting handle.

Description

PCB board center positioning structure

Technical Field

The utility model belongs to the technical field of PCB boards, and particularly relates to a PCB board center positioning structure.

Background

The printed circuit board is a provider for electric connection of electronic components, and in recent decades, the printed circuit board manufacturing industry in China has rapid development, and the total yield and the total output are the first in the world. Because electronic products are different day by day, price war changes the structure of a supply chain, china has industrial distribution, cost and market advantages, and has become the most important production base of printed circuit boards worldwide. Printed circuit boards have evolved from single layers to double-sided boards, multi-layer boards, and flexible boards, and have evolved continuously toward high precision, high density, and high reliability. The volume is continuously reduced, the cost is reduced, and the performance is improved, so that the printed circuit board still keeps strong vitality in the development process of future electronic products.

For example, application number 202122990228.8, the utility model discloses a PCB board center positioning structure, which comprises an operation table, wherein grooves are formed in the left end and the right end of the operation table, rectangular holes are formed in the front side and the rear side of the top end of the operation table, a positioning device is movably connected in the rectangular holes, a lifting table is movably connected in the middle of the operation table, two symmetrical connecting holes are formed in the middle of the operation table, the connecting holes are symmetrical by taking the lifting table as a symmetrical axis, and a pushing device is movably connected on the right side of the inside of the connecting holes. According to the utility model, through the positioning device, the first telescopic rod is used for pushing the positioning strip to position the PCB on the lifting table, or the first telescopic rod is used for pushing the connecting block to a certain height, and then the servo motor is controlled to drive the rotating disc to rotate, so that the PCB on the opposite side of the positioning strip can be turned over, the center of the PCB can be conveniently positioned, the PCB can be turned over, and solder paste printing can be performed on the back of the PCB.

Based on the retrieval of above-mentioned patent to and combine prior art equipment discovery, although can solve PCB board central localization complex operation when above-mentioned equipment is used, can not adjust PCB board front and back during the solder paste printing, influence the problem of work efficiency and reduction device use flexibility, but this structure can't carry out the centre gripping according to not unidimensional PCB board, and fixed insecure is easy through the trompil on locating hole and the PCB board, causes the PCB board to damage the fracture simultaneously easily, causes the influence finished product.

Disclosure of utility model

Aiming at the problems in the prior art, the utility model provides a PCB center positioning structure, which has the advantages of simple operation, safety and high efficiency, and solves the problems that the existing structure cannot clamp the PCB according to different sizes, the fixing is easy to be fixed and not firm through a positioning hole and a hole on the PCB, and the damage and the cracking of the PCB are easy to be caused, so that the finished product is influenced.

The utility model discloses a central positioning structure of a PCB, which comprises a bottom plate of a positioning structure, support plates fixedly arranged on two sides of the top of the bottom plate, support columns fixedly arranged at the centers of the tops of the support plates, clamping parts arranged on the inner sides of the support columns, rotating parts arranged on the outer sides of the support columns and a lifting structure arranged at the bottom of the bottom plate, wherein each clamping part comprises a support frame arranged on the top side between the two support columns, two sliding shafts arranged on the inner sides of the support frame, two limit springs arranged on the periphery of the sliding shafts, a sliding plate sleeved on one side of each Zhou Xianwei spring outside the sliding shaft, an adjusting block arranged on one side of each sliding plate, adjusting shafts fixedly arranged on two sides of each adjusting block, limit plates fixedly arranged on two sides of the support frame, an adjusting handle arranged above the limit plates on the tops and limit holes arranged on the limit plates on one side of the adjusting handles, each adjusting handle is in sliding connection with the limit plates, and each adjusting handle is hinged with each adjusting shaft.

As the preferable choice of the utility model, the rotating part comprises two driven shafts arranged on the side wall of the support column and close to two sides of the support frame, a driving shaft arranged below the driven shafts on the side wall of the support column, a rotating motor arranged on one side of the driving shaft, a fixed seat arranged on the other side of the driving shaft and belt pulleys fixedly arranged on the outer sides of the driving shaft and the driven shaft, and the driving shaft is rotationally connected with the belt pulleys on the driven shaft through the belt.

As preferable mode of the utility model, the lifting component comprises an electric telescopic rod fixedly arranged at the center of the bottom plate, a cylinder fixedly arranged at one side of the electric telescopic rod, a groove fixedly arranged at the bottom of the cylinder, a plurality of damping springs fixedly arranged at the bottom of the inner side of the groove and a limiting column arranged at the inner side of the damping springs, and the limiting column is fixedly connected with the groove.

As the preferable mode of the utility model, the inner side of the supporting frame is stuck with a rubber cushion in the direction close to the limit spring.

As preferable mode of the utility model, a clamping plate is fixedly arranged on one side of the limiting plate, which is close to the limiting spring.

As preferable mode of the utility model, guide plates are fixedly arranged on two sides of the rubber cushion.

Preferably, the top opening of the groove is larger than the area of the bottom plate.

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

1. According to the utility model, through the matched use of the bottom plate, the supporting plates, the supporting columns, the clamping parts, the rotating parts and the lifting structures, the clamping parts comprise the supporting frames arranged on the top sides between the two supporting columns, the two sliding shafts arranged on the inner sides of the supporting frames, the two limiting springs arranged on the peripheries of the sliding shafts, the sliding plates sleeved on one side of the sliding shafts outside the Zhou Xianwei springs, the adjusting blocks arranged on one side of the sliding plates, the adjusting shafts fixedly arranged on two sides of the adjusting blocks, the limiting plates fixedly arranged on two sides of the supporting frames, the adjusting handles arranged above the limiting plates on the top and the limiting holes arranged on the limiting plates on one side of the adjusting handles, the adjusting shafts are in sliding connection with the limiting plates, the adjusting handles are hinged with the adjusting shafts, the sliding plates and the clamping effect of the supporting frames can fix the PCB plates, the sliding plates can slide at the ends of the sliding shafts through the sliding shafts and the limiting springs, the adjusting shafts can rotate to drive the adjusting blocks to move so as to adapt to the PCB plates with different sizes, the limiting springs can be fixed, the problem that the existing structure cannot be firmly fixed through the positioning plates and the PCB is solved, and the problem that the PCB is not easily damaged due to the fact that the PCB is easily fixed through the positioning plates and the holes are easily broken.

2. The utility model provides a rotary part, which comprises two driven shafts arranged on the side wall of a support column and close to two sides of a support frame, a driving shaft arranged below the driven shafts on the side wall of the support column, a rotary motor arranged on one side of the driving shaft, a fixed seat arranged on the other side of the driving shaft, and belt pulleys fixedly arranged on the outer sides of the driving shaft and the driven shafts, wherein the driving shaft is rotationally connected with the belt pulleys on the driven shafts through the belt, the driving shaft can be driven to rotate through the rotary motor, then the driven shafts are driven to rotate through the belt pulleys, and finally the support frame can be enabled to rotate around the driven shafts, so that the problem of adjusting the angle of a PCB (printed circuit board) is solved.

3. The lifting component comprises an electric telescopic rod fixedly arranged at the center of the bottom plate, a cylinder fixedly arranged at one side of the electric telescopic rod, a groove fixedly arranged at the bottom of the cylinder, a plurality of damping springs fixedly arranged at the bottom of the inner side of the groove and a limiting column arranged at the inner side of the damping springs, wherein the limiting column is fixedly connected with the groove and can drive the electric telescopic rod to move through the cylinder, so that the bottom plate moves relative to the groove to achieve the problem of height adjustment, and the damping springs and the limiting column cooperate to achieve the effect of reducing vibration in the lifting process of the bottom plate.

4. According to the utility model, the rubber cushion is adhered to the inner side of the support frame in the direction close to the limit spring, so that the PCB can be protected by the rubber cushion, and damage is prevented.

5. According to the utility model, the clamping plate is fixedly arranged on one side of the limiting plate, which is close to the limiting spring, so that the PCB before clamping can be protected and prevented from falling.

6. According to the utility model, the guide plates are fixedly arranged on the two sides of the rubber cushion, so that the PCB can be fixed at the center of the rubber cushion, and sideslip is prevented.

7. According to the utility model, the top opening of the groove is larger than the area of the bottom plate, so that the bottom plate can slide up and down in the groove, and the lifting efficiency is improved.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present utility model;

FIG. 2 is an isometric view of an internal structure provided in an embodiment of the utility model;

FIG. 3 is a right side view provided by an embodiment of the present utility model;

FIG. 4 is a cross-sectional view at A-A in FIG. 3 provided by an embodiment of the present utility model;

fig. 5 is an enlarged view at a in fig. 4 provided by an embodiment of the present utility model.

In the figure: 1. a bottom plate; 2. a support plate; 3. a support column; 4. a support frame; 5. a slide shaft; 6. a limit spring; 7. a sliding plate; 8. an adjusting block; 9. an adjusting shaft; 10. a limiting plate; 11. adjusting the handle; 12. a limiting hole; 21. a driven shaft; 22. a driving shaft; 23. a rotating motor; 24. a fixing seat; 25. a belt pulley; 31. an electric telescopic rod; 32. a cylinder; 33. a groove; 34. a damping spring; 35. a limit column; 41. a rubber cushion; 51. a clamping plate; 61. and a guide plate.

Detailed Description

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings.

The structure of the present utility model will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 5, the central positioning structure of a PCB board provided by the embodiment of the utility model includes a bottom plate 1 of the positioning structure, a support plate 2 fixed on two sides of the top of the bottom plate 1, a support column 3 fixed on the center of the top of the support plate 2, a clamping component arranged on the inner side of the support column 3, a rotating component arranged on the outer side of the support column 3, and a lifting structure arranged at the bottom of the bottom plate 1, wherein the clamping component includes a support frame 4 arranged on the top side between the two support columns 3, two slide shafts 5 arranged on the inner side of the support frame 4, two limit springs 6 arranged on the periphery of the slide shafts 5, a slide plate 7 sleeved on one side of the limit springs 6 of the periphery of the slide shafts 5, an adjusting block 8 arranged on one side of the slide plate 7, adjusting shafts 9 fixed on two sides of the adjusting block 8, limit plates 10 fixed on two sides of the support frame 4, an adjusting handle 11 arranged above the limit plate 10 on the top, and a limit hole 12 arranged on the limit plate 10 on one side of the adjusting handle 11, wherein the adjusting handle 11 is in sliding connection with the limit plate 10, and the adjusting handle 9 is hinged with the adjusting handle 9.

Referring to fig. 1 and 2, the rotating component includes two driven shafts 21 disposed on the side wall of the support column 3 and close to two sides of the support frame 4, a driving shaft 22 disposed below the driven shafts 21 on the side wall of the support column 3, a rotating motor 23 disposed on one side of the driving shaft 22, a fixing seat 24 disposed on the other side of the driving shaft 22, and a belt pulley 25 fixedly disposed on the outer sides of the driving shaft 22 and the driven shafts 21, where the driving shaft 22 is rotationally connected with the belt pulley 25 on the driven shafts 21 through a belt.

The scheme is adopted: through establishing rotary part, including locating two driven shafts 21 that support column 3 lateral wall is close to support frame 4 both sides, locate the driving shaft 22 of support column 3 lateral wall driven shaft 21 below, locate the rotating electrical machines 23 of driving shaft 22 one side, locate the fixing base 24 of driving shaft 22 opposite side and set firmly in driving shaft 22 and the belt pulley 25 in the driven shaft 21 outside, driving shaft 22 is connected through the belt rotation with belt pulley 25 on the driven shaft 21, can drive driving shaft 22 rotation through rotating electrical machines 23, then drive driven shaft 21 rotation through belt pulley 25, can make support frame 4 rotate around driven shaft 21 at last, play the problem of adjusting the angle of PCB board.

Referring to fig. 1, 2 and 3, the lifting component comprises an electric telescopic rod 31 fixedly arranged at the bottom center of the bottom plate 1, a cylinder 32 fixedly arranged at one side of the electric telescopic rod 31, a groove 33 fixedly arranged at the bottom of the cylinder 32, a plurality of damping springs 34 fixedly arranged at the bottom of the inner side of the groove 33 and a limit column 35 arranged at the inner side of the damping springs 34, wherein the limit column 35 is fixedly connected with the groove 33.

The scheme is adopted: through setting up lifting unit, including set firmly in the electric telescopic handle 31 at bottom center of bottom plate 1, set firmly in the cylinder 32 of electric telescopic handle 31 one side, set firmly in the recess 33 of cylinder 32 bottom, set firmly in a plurality of damping springs 34 of recess 33 inboard bottom and locate the inboard spacing post 35 of damping spring 34, spacing post 35 and recess 33 fixed connection can drive electric telescopic handle 31 through the cylinder 32 and remove, thereby make bottom plate 1 remove relative recess 33, play height-adjusting's problem, damping spring 34 and spacing post 35's cooperation can make bottom plate 1 lift in-process play the effect of reducing vibration.

Referring to fig. 5, a rubber cushion 41 is adhered to the inner side of the supporting frame 4 in the direction approaching the limit spring 6.

The scheme is adopted: through setting up support frame 4 inboard and being close to spacing spring 6 direction and glue and be equipped with rubber cushion 41, can play the guard action to the PCB board through rubber cushion 41, prevent the damage.

Referring to fig. 4, a clamping plate 51 is fixedly arranged on one side of the limiting plate 10 close to the limiting spring 6.

The scheme is adopted: the clamping plate 51 is fixedly arranged on one side of the limiting plate 10 close to the limiting spring 6, so that the PCB before clamping can be protected and falling is prevented.

Referring to fig. 5, guide plates 61 are fixedly provided at both sides of the rubber pad 41.

The scheme is adopted: by arranging the guide plates 61 on both sides of the rubber cushion 41, the PCB can be fixed at the center of the rubber cushion 41, and sideslip is prevented.

Referring to fig. 3, the top opening of the groove 33 is larger than the area of the bottom plate 1.

The scheme is adopted: by arranging the opening at the top of the groove 33 to be larger than the area of the bottom plate 1, the bottom plate 1 can slide up and down in the groove 33, and the lifting efficiency is improved.

The working principle of the utility model is as follows:

When the PCB lifting device is used, firstly, the PCB can be fixed through the clamping effect of the sliding plate 7 and the supporting frame 4, the sliding plate 7 can slide at the end of the sliding shaft 5 through the effect of the sliding shaft 5 and the limiting spring 6, the adjusting shaft 9 can be rotated to drive the adjusting block 8 to rotate through rotating the adjusting handle 11, so that the sliding plate 7 can move to adapt to the PCBs with different sizes, the limiting spring 6 can be fixed through clamping the adjusting handle 11 in the limiting hole 12, then the driving shaft 22 is driven to rotate by the rotating motor 23, the driven shaft 21 is driven to rotate by the belt pulley 25, finally, the supporting frame 4 can rotate around the driven shaft 21 to achieve the problem of adjusting the angle of the PCBs, finally, the electric telescopic rod 31 can be driven by the air cylinder 32 to move relative to the groove 33 to achieve the problem of adjusting the height, and the vibration can be reduced by the cooperation of the damping spring 34 and the limiting post 35.

To sum up: this PCB board center location structure uses through setting up bottom plate 1, backup pad 2, support column 3, clamping part, rotating member and elevation structure's cooperation, has solved current structure and can't carry out the centre gripping according to not unidimensional PCB board, and fixed insecure is fixed easily through the trompil on locating hole and the PCB board, causes the PCB board to damage the fracture simultaneously easily, causes the problem that influences the finished product.

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.

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 (5)

1. The utility model provides a PCB board center location structure, includes location structure's bottom plate (1), sets firmly in backup pad (2) of bottom plate (1) top both sides, sets firmly in backup pad (2) top center's support column (3), locates the inboard clamping part of support column (3), locates the rotating part in support column (3) outside and locates the lifting unit of bottom plate (1) bottom, its characterized in that: the clamping part comprises a support frame (4) arranged on the top side between two support columns (3), two sliding shafts (5) arranged on the inner side of the support frame (4), two limit springs (6) arranged on the periphery of the sliding shafts (5), a sliding plate (7) sleeved on one side of the spring (6) outside the sliding shafts (5), an adjusting block (8) arranged on one side of the sliding plate (7), adjusting shafts (9) fixedly arranged on two sides of the adjusting block (8), limit plates (10) fixedly arranged on two sides of the support frame (4), an adjusting handle (11) arranged above the limit plates (10) on the top and limit holes (12) arranged on the limit plates (10) on one side of the adjusting handle (11), the adjusting shaft (9) is in sliding connection with the limiting plate (10), the adjusting handle (11) is hinged with the adjusting shaft (9), the rotating part comprises two driven shafts (21) which are arranged on the side wall of the supporting column (3) and close to two sides of the supporting frame (4), a driving shaft (22) which is arranged below the driven shafts (21) on the side wall of the supporting column (3), a rotating motor (23) which is arranged on one side of the driving shaft (22), a fixed seat (24) which is arranged on the other side of the driving shaft (22) and a belt pulley (25) which is fixedly arranged on the outer sides of the driving shaft (22) and the driven shafts (21), the driving shaft (22) is rotationally connected with a belt pulley (25) on the driven shaft (21) through a belt, the lifting part comprises an electric telescopic rod (31) fixedly arranged at the center of the bottom plate (1), a cylinder (32) fixedly arranged at one side of the electric telescopic rod (31), a groove (33) fixedly arranged at the bottom of the cylinder (32), a plurality of damping springs (34) fixedly arranged at the bottom of the inner side of the groove (33) and a limiting column (35) arranged at the inner side of the damping springs (34), and the limiting column (35) is fixedly connected with the groove (33).

2. The PCB board center positioning structure of claim 1, wherein: rubber cushions (41) are adhered to the inner side of the supporting frame (4) in the direction close to the limiting springs (6).

3. The PCB board center positioning structure of claim 1, wherein: one side of the limiting plate (10) close to the limiting spring (6) is fixedly provided with a clamping plate (51).

4. The PCB board center positioning structure of claim 2, wherein: guide plates (61) are fixedly arranged on two sides of the rubber cushion (41).

5. The PCB board center positioning structure of claim 1, wherein: the top opening of the groove (33) is larger than the area of the bottom plate (1).