CN216137551U - Improve PCBA reliability high accuracy point gum machine - Google Patents
Improve PCBA reliability high accuracy point gum machine Download PDFInfo
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- CN216137551U CN216137551U CN202121695859.0U CN202121695859U CN216137551U CN 216137551 U CN216137551 U CN 216137551U CN 202121695859 U CN202121695859 U CN 202121695859U CN 216137551 U CN216137551 U CN 216137551U
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Abstract
The utility model provides a high-precision dispensing machine for improving the reliability of a PCBA (printed circuit board assembly), which comprises a supporting structure; the supporting structure is fixedly connected to the four mounting legs, and the mounting legs are provided with fixing bolts; the top of the supporting structure is fixedly connected with a moving device, and the bottom of the moving device is fixedly connected with a glue dispensing device; the upper rotating shaft of the supporting structure is connected with a turning positioning device; the fixed rotation axis of location drive division connects in the bearing structure bottom, and upset positioner has adopted the mode that the rotation axis connects in the backup pad, realizes the rotation of angle, and the frame that overturns simultaneously is rotatory to adopt location drive division to drive, and the driven gear on the frame that overturns is installed in the drive threaded rod drive of location drive division, and simple structure is stable, realizes that the angle transform can be convenient for more to glue the point to three-dimensional PCBA board, need not artifical secondary and carries out the point and adopt and reduce the defective percentage.
Description
Technical Field
The utility model belongs to the technical field of PCBA dispensing, and particularly relates to a high-precision dispensing machine for improving the reliability of PCBA.
Background
PCBA is English Printed Circuit Board Assembly for short, that is to say PCB blank Board through SMT upper part, or through the whole process of DIP plug-in components, PCBA for short, the point is glued, is a technology, also is called glueing, rubber coating, encapsulating, glue dripping etc. scribble electronic glue, oil or other liquid, embedment, drip to the product, let the product play and paste, embedment, insulating, fixed, effect such as surface smoothness, so just need use improvement PCBA reliability high accuracy point gum machine in PCBA actual production process.
Based on the above, the inventor discovers that the existing high-precision dispensing machine for improving the reliability of the PCBA does not have an angle adjusting and overturning positioning mechanism, so that the non-planar PCBA cannot be dispensed, manual dispensing is required for influencing, the working efficiency is influenced, the manual quality is not well controlled, the defective rate is increased, the dispensing cannot be actively overturned, the dispensing is not flexible and practical enough, a multi-shaft vacuum dispensing structure is not arranged, the dispensing amount cannot be accurately controlled when the positioning deviation is large, and the quality and the reliability of the PCBA are influenced.
Therefore, in view of the above, research and improvement are made for the existing structure and defects, and a high-precision dispenser for improving the reliability of the PCBA is provided, so as to achieve the purpose of higher practical value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides a high-precision dispensing machine for improving the reliability of a PCBA (printed circuit board assembly), which aims to solve the problems that the conventional high-precision dispensing machine for improving the reliability of the PCBA is not provided with an angle adjusting and overturning positioning mechanism, so that the non-planar PCBA cannot be dispensed, manual dispensing is required to be influenced, the working efficiency is influenced, meanwhile, the manual quality is not well controlled, the defective rate is increased, the overturning dispensing cannot be actively carried out, the machine is not flexible and practical enough, a multi-shaft vacuum dispensing structure is not arranged, the dispensing amount cannot be accurately controlled when the positioning deviation is large, and the quality and the reliability of the PCBA are influenced.
The purpose and the effect of the high-precision glue dispenser for improving the reliability of the PCBA are achieved by the following specific technical means:
a high-precision dispenser for improving the reliability of PCBA comprises a supporting structure;
the supporting structure is fixedly connected to the four mounting legs, and the mounting legs are provided with fixing bolts; the top of the supporting structure is fixedly connected with a moving device, and the bottom of the moving device is fixedly connected with a glue dispensing device; the upper rotating shaft of the supporting structure is connected with a turning positioning device;
and the fixed rotating shaft of the positioning driving part is connected to the bottom of the supporting structure.
Further, the support structure includes:
the supporting plate is fixedly connected to the four mounting legs; the two sides of the supporting plate are provided with sliding chutes;
the two sliding blocks are respectively connected to the two sides of the supporting plate in a sliding manner and driven by the electric screw rod;
and the two lifting hydraulic cylinders are fixedly connected to the two sliding blocks respectively.
Further, the turning positioning device comprises:
the turnover frame is connected to the supporting plate through a rotating shaft; sliding grooves are formed in two sides of the turnover frame;
two positioning groove blocks are arranged, and the two positioning groove blocks have the same structure; two positioning groove blocks are respectively connected to the turnover frame in a sliding mode, and grooves are formed in the two positioning groove blocks.
Further, the mobile device includes:
the moving track is fixedly connected to the two lifting hydraulic cylinders;
the driving screw rod is fixedly connected to the moving track;
the glue dispensing block is moved, the glue dispensing block is slidably connected to the moving track, and the glue dispensing block is rotatably connected to the driving screw rod in a threaded mode.
Further, the turning positioning device further comprises:
the number of the telescopic sleeves is four, and the structures of the four telescopic sleeves are the same; the four telescopic sleeves are respectively and fixedly connected between the two positioning groove blocks and the turnover frame;
and the spring is sleeved on the telescopic sleeve.
Further, the glue dispensing device comprises:
the dispensing cylinder is fixedly connected to the movable dispensing block, and a dispensing needle head is arranged at the bottom of the dispensing cylinder;
the telescopic rod is fixedly connected to the bottom of the movable dispensing block;
the sealing disc is fixedly connected to the telescopic rod, and the sealing disc is hermetically sleeved in the dispensing cylinder.
Further, the positioning drive section includes:
the driven gear is fixedly connected to the shaft end on one side of the turnover frame;
the driving threaded rod is connected to the bottom of the supporting plate in a rotating mode, and is in meshing transmission connection with the driven gear; the driving threaded rod is provided with a rotating handle.
Compared with the prior art, the utility model has the following beneficial effects:
1. the utility model realizes the rotation of the angle by arranging the turning positioning device which adopts the mode that the rotating shaft is connected on the supporting plate, the turning frame is driven by the positioning driving part to rotate, the driving threaded rod on the positioning driving part drives the driven gear arranged on the turning frame, the structure is simple and stable, the angle change is realized, the three-dimensional PCBA board can be more conveniently glued, the manual two-time gluing is not needed, the one-time forming can greatly reduce the defective rate, the turning of the PCBA board can be realized by the arranged driving threaded rod after the three-dimensional module on the PCBA board is glued, the quick operation of the PCBA board which needs the front and back glue dispensing is realized, the PCBA board does not need to be taken in the process, the repositioning times are reduced, and the spring on the telescopic sleeve is driven by the opposite clamping positioning groove block, prevent that the point from gluing the error.
2. According to the utility model, the supporting structure is arranged, the two lifting hydraulic cylinders are slidably supported through the sliding blocks arranged on the supporting structure, and the moving device is supported by the two lifting hydraulic cylinders, so that multi-axis glue dispensing operation is realized, the positioning is more accurate, the glue dispensing device is more flexible, meanwhile, the glue dispensing device adopts a mode that the telescopic rod drives the sealing disc to be slidably connected onto the glue dispensing cylinder, the sealing property is ensured, the glue dispensing amount is more accurate, the leakage in the glue dispensing process is effectively prevented, meanwhile, the mode that the sealing disc is slidably connected onto the glue dispensing cylinder is arranged, the reverse extraction of redundant glue through the telescopic rod can be realized, the quality and the reliability of a PCBA board are improved, the automation completion in the process is realized, and the working efficiency is greatly increased.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic bottom structure of the present invention.
Fig. 3 is a schematic view of the support structure of the present invention.
Fig. 4 is a schematic structural diagram of a mobile device according to the present invention.
Fig. 5 is a schematic structural diagram of a dispensing device of the present invention.
Fig. 6 is a schematic structural diagram of the turning positioning device of the present invention.
Fig. 7 is an enlarged schematic view of the structure of the turnover positioning device of the utility model.
Fig. 8 is a schematic structural view of the positioning driving part of the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. a support structure;
101. a support plate; 102. a slider; 103. a lifting hydraulic cylinder;
2. a mobile device;
201. a moving track; 202. driving the screw rod; 203. moving the dispensing block;
3. a dispensing device;
301. dispensing a glue cylinder; 302. a telescopic rod; 303. sealing the disc;
4. a turning positioning device;
401. turning over the frame; 402. positioning the groove block; 403. a telescopic sleeve; 404. a spring;
5. a positioning drive section;
501. a driven gear; 502. driving the threaded rod;
6. and (7) mounting the legs.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 8:
the utility model provides a high-precision dispenser for improving the reliability of PCBA, which comprises a supporting structure 1;
the supporting structure 1 is fixedly connected to the four mounting legs 6, and the mounting legs 6 are provided with fixing bolts; the top of the supporting structure 1 is fixedly connected with a moving device 2, and the bottom of the moving device 2 is fixedly connected with a dispensing device 3; the upper rotating shaft of the supporting structure 1 is connected with a turning positioning device 4;
and the positioning driving part 5 is fixedly connected with the bottom of the supporting structure 1 through a rotating shaft by the positioning driving part 5.
As shown in fig. 3 to 5, the support structure 1 includes:
the supporting plate 101 is fixedly connected to the four mounting legs 6; sliding grooves are formed in two sides of the supporting plate 101;
two sliding blocks 102 are arranged, the two sliding blocks 102 are respectively connected to two sides of the supporting plate 101 in a sliding mode, and the sliding blocks 102 are driven by an electric screw rod;
two lifting hydraulic cylinders 103 are arranged, and the two lifting hydraulic cylinders 103 are respectively and fixedly connected to the two sliding blocks 102;
the mobile device 2 includes:
the moving track 201, the moving track 201 is fixedly connected to the two hydraulic cylinders 103; the driving screw 202, the driving screw 202 is fixedly connected to the moving track 201; the moving dispensing block 203 is connected to the moving track 201 in a sliding mode, and the moving dispensing block 203 is connected to the driving screw 202 in a rotating mode through threads; the dispensing device 3 includes: the dispensing cylinder 301, the dispensing cylinder 301 is fixedly connected to the movable dispensing block 203, and a dispensing needle is arranged at the bottom of the dispensing cylinder 301; the telescopic rod 302 is fixedly connected to the bottom of the movable dispensing block 203; the sealing disc 303, the sealing disc 303 is fixedly connected on the telescopic rod 302, the sealing disc 303 is hermetically sleeved in the dispensing cylinder 301, the supporting structure 1 is arranged, the two lifting hydraulic cylinders 103 are supported in a sliding way through sliding blocks 102 arranged on the supporting structure 1, and then the moving device 2 is supported by the two lifting hydraulic cylinders 103, meanwhile, the multi-axis dispensing operation is realized, the positioning is more accurate, the dispensing device 3 is more flexible, meanwhile, the dispensing device 3 adopts the mode that the telescopic rod 302 drives the sealing disc 303 to be connected on the dispensing cylinder 301 in a sliding way, the sealing performance is ensured, the dispensing amount is more accurate, simultaneously effectually prevented some glue process emergence leakage, set up sealed dish 303 sliding connection simultaneously and can realize reversely extracting unnecessary glue through telescopic link 302 on some packing element 301, improve PCBA board quality and reliability, the automatic completion of in-process, great increase work efficiency.
As shown in fig. 6 to 8, the flipping positioning device 4 includes:
a turnover frame 401, the turnover frame 401 being rotatably coupled to the support plate 101; sliding grooves are formed in the two sides of the turnover frame 401;
two positioning groove blocks 402 are arranged, and the two positioning groove blocks 402 have the same structure; two positioning groove blocks 402 are respectively connected on the turnover frame 401 in a sliding manner, and grooves are formed in the two positioning groove blocks 402.
The roll-over positioning device 4 further comprises:
four telescopic sleeves 403 are arranged, and the four telescopic sleeves 403 are identical in structure; the four telescopic sleeves 403 are respectively and fixedly connected between the two positioning groove blocks 402 and the turnover frame 401; a spring 404, wherein the spring 404 is sleeved on the telescopic sleeve 403; the positioning drive section 5 includes: the driven gear 501 is fixedly connected to the shaft end on one side of the turnover frame 401;
the driving threaded rod 502 is rotatably connected to the bottom of the supporting plate 101, and the driving threaded rod 502 is in meshing transmission connection with the driven gear 501; the rotary handle is arranged on the drive threaded rod 502, the turnover positioning device 4 is arranged, the turnover positioning device 4 adopts a mode that a rotary shaft is connected on the support plate 1 to realize the rotation of an angle, the turnover frame 401 rotates to be driven by the positioning drive part 5, the drive threaded rod 502 on the positioning drive part 5 drives the driven gear 501 arranged on the turnover frame 401, the structure is simple and stable, the angle change can be realized to more conveniently glue the three-dimensional PCBA, the glue dispensing is not needed twice manually, the defective rate can be greatly reduced by one-step forming, the turnover of the PCBA can be realized by the arranged drive threaded rod 502 after the glue dispensing is carried out on the three-dimensional module on the PCBA, the quick operation of the PCBA needing the glue dispensing on the front side and the back side is realized, the PCBA does not need to be taken in the process, the number of positioning times is reduced, and the positioning groove blocks 402 which are clamped oppositely are matched, the spring 404 on the telescopic sleeve 403 is driven to prevent errors from occurring in dispensing.
In another embodiment, other structures are not changed, and this embodiment provides another structural form of the positioning groove block 402, and the shock-absorbing anti-slip rubber pad is fixedly connected to the inner side of the positioning groove block 402, so that the PCBA board can be better protected by arranging the shock-absorbing anti-slip rubber pad.
The specific use mode and function of the embodiment are as follows:
in the utility model, the device is firstly installed on the ground through the four installation legs 6, then the two positioning groove blocks 402 can be opened in a sliding way, the PCBA board is placed between the two positioning groove blocks 402, the PCBA board is positioned under the drive of the spring 404 on the telescopic sleeve 403, and then the dispensing operation can be carried out, in the process, the front and back and the lifting are realized through the two sliding blocks 102 driven by the lead screw and the lifting hydraulic cylinder 103, the movable dispensing block 203 is driven by the arranged driving screw 202 to drive the dispensing device 3 to move transversely, in the process, the dispensing work can be realized by driving the sealing disc 303 by the telescopic rod 302, if a torsion angle and a turn-over operation are required, the driven gear 501 mounted on the turnover frame 401 can be driven by rotating the driving threaded rod 502 to realize the torsion angle and the turn-over operation.
The utility model is not described in detail, but is well known to those skilled in the art.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (7)
1. The utility model provides an improve PCBA reliability high accuracy point gum machine which characterized in that: comprising a support structure (1);
the supporting structure (1) is fixedly connected to the four mounting legs (6), and the mounting legs (6) are respectively provided with a fixing bolt; the top of the supporting structure (1) is fixedly connected with a moving device (2), and the bottom of the moving device (2) is fixedly connected with a dispensing device (3); the upper rotating shaft of the supporting structure (1) is connected with a turning positioning device (4);
the positioning driving part (5), the fixed rotation axis of the positioning driving part (5) is connected with the bottom of the supporting structure (1).
2. A high precision dispenser for improving reliability of a PCBA as claimed in claim 1, wherein: the support structure (1) comprises:
the supporting plate (101), the supporting plate (101) is fixedly connected to the four mounting legs (6); sliding grooves are formed in two sides of the supporting plate (101);
two sliding blocks (102) are arranged, the two sliding blocks (102) are respectively connected to two sides of the supporting plate (101) in a sliding mode, and the sliding blocks (102) are driven by an electric screw rod;
and two lifting hydraulic cylinders (103) are arranged, and the two lifting hydraulic cylinders (103) are respectively and fixedly connected to the two sliding blocks (102).
3. A high precision dispenser for improving reliability of a PCBA as claimed in claim 1, wherein: the mobile device (2) comprises:
the moving track (201), the moving track (201) is fixedly connected to the two lifting hydraulic cylinders (103);
the driving screw rod (202), the driving screw rod (202) is fixedly connected to the moving track (201);
the glue dispensing device comprises a movable glue dispensing block (203), wherein the movable glue dispensing block (203) is connected to a movable track (201) in a sliding mode, and the movable glue dispensing block (203) is connected to a driving screw rod (202) in a threaded rotating mode.
4. A high precision dispenser for improving reliability of a PCBA as claimed in claim 1, wherein: the glue dispensing device (3) comprises:
the dispensing cylinder (301), the dispensing cylinder (301) is fixedly connected to the movable dispensing block (203), and a dispensing needle head is arranged at the bottom of the dispensing cylinder (301);
the telescopic rod (302), the telescopic rod (302) is fixedly connected to the bottom of the movable dispensing block (203);
seal dish (303), seal dish (303) fixed connection is on telescopic link (302), and seal dish (303) seal cover dress is in some packing element (301).
5. A high precision dispenser for improving reliability of a PCBA as claimed in claim 1, wherein: the roll-over positioning device (4) comprises:
the turnover frame (401), the turnover frame (401) is connected to the support plate (101) in a rotating mode; sliding grooves are formed in the two sides of the turnover frame (401);
the number of the positioning groove blocks (402) is two, and the structures of the two positioning groove blocks (402) are the same; two positioning groove blocks (402) are respectively connected to the turnover frame (401) in a sliding mode, and grooves are formed in the two positioning groove blocks (402).
6. A high precision dispenser for improving reliability of a PCBA as claimed in claim 5, wherein: the overturning positioning device (4) further comprises:
four telescopic sleeves (403), wherein the four telescopic sleeves (403) are arranged, and the four telescopic sleeves (403) have the same structure; the four telescopic sleeves (403) are respectively and fixedly connected between the two positioning groove blocks (402) and the turnover frame (401);
and the spring (404), wherein the spring (404) is sleeved on the telescopic sleeve (403).
7. A high precision dispenser for improving reliability of a PCBA as claimed in claim 1, wherein: the positioning drive section (5) includes:
the driven gear (501), the driven gear (501) is fixedly connected to one side shaft end of the turnover frame (401);
the driving threaded rod (502), the rotating shaft of the driving threaded rod (502) is connected to the bottom of the supporting plate (101), and the driving threaded rod (502) is in meshing transmission connection with the driven gear (501); the driving threaded rod (502) is provided with a rotating handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695859.0U CN216137551U (en) | 2021-07-26 | 2021-07-26 | Improve PCBA reliability high accuracy point gum machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121695859.0U CN216137551U (en) | 2021-07-26 | 2021-07-26 | Improve PCBA reliability high accuracy point gum machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216137551U true CN216137551U (en) | 2022-03-29 |
Family
ID=80802797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121695859.0U Active CN216137551U (en) | 2021-07-26 | 2021-07-26 | Improve PCBA reliability high accuracy point gum machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216137551U (en) |
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2021
- 2021-07-26 CN CN202121695859.0U patent/CN216137551U/en active Active
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