CN220742442U - Positioning structure of screen printer - Google Patents
Positioning structure of screen printer Download PDFInfo
- Publication number
- CN220742442U CN220742442U CN202321609140.XU CN202321609140U CN220742442U CN 220742442 U CN220742442 U CN 220742442U CN 202321609140 U CN202321609140 U CN 202321609140U CN 220742442 U CN220742442 U CN 220742442U
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- positioning
- mechanical arm
- top end
- positioning mechanism
- positioning block
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- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007423 decrease Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Screen Printers (AREA)
Abstract
The utility model discloses a screen printer positioning structure, which relates to the technical field of circuit board positioning and comprises a base and a lifting plate, wherein the top end of the base is fixedly connected with a bracket, the end surface of the bracket is provided with a workbench, and the two ends of the bracket are respectively provided with a first positioning mechanism and a second positioning mechanism. According to the utility model, the lifting plate descends to drive the first mechanical arm belt to rotate anticlockwise by arranging the first positioning mechanism, and the first mechanical arm drives the first positioning block to move downwards, so that the first positioning block positions and clamps the circuit board on the workbench; through setting up second positioning mechanism, make the lifter plate decline drive second arm area clockwise rotation, the second arm drives the circuit board that the second locating piece was located on to the workstation and is pressed from both sides tightly, first positioning mechanism and second positioning mechanism synchronous operation to realized the device and to the effect of circuit board both ends simultaneous location clamp, be applicable to the substrate of different shapes, the suitability is higher.
Description
Technical Field
The utility model relates to the technical field of circuit board positioning, in particular to a positioning structure of a screen printer.
Background
The printed circuit board is a provider for electric connection of electronic components, and the design is mainly layout design, and the main advantage of adopting the circuit board is that wiring and assembly errors are greatly reduced, the automation level and the production labor rate are improved, and the printed circuit board can be divided into a single-layer board, a double-layer board, a four-layer board, a six-layer board and other multi-layer circuit boards according to the layer number of the circuit board.
The flexible insulating base material is printed with a silvery white (silver paste) conductive pattern and a key position pattern, and the pattern is obtained by a general screen printing method, so that the printed circuit board is called a flexible silver paste printed circuit board, when the printed circuit board is printed, the printed circuit board needs to be positioned to prevent the base material from shifting in the printing process, while the existing positioning devices for processing the printed circuit board are characterized in that the screw is rotated to drive the positioning blocks on the workbench to move, so that the periphery of the printed circuit board is positioned and clamped, but the shape of the base material is related to the installation position, and most of the base boards are irregular, so that the screw type positioning mechanism is not practical.
Disclosure of Invention
The utility model aims at: in order to solve the problem that the positioning blocks cannot simultaneously and rapidly position the periphery of the printed circuit board and reduce the processing efficiency of the printed circuit board, the positioning structure of the screen printer is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the screen printer positioning structure comprises a base and a lifting plate, wherein the top end of the base is fixedly connected with a bracket, the end surface of the bracket is provided with a workbench, two ends of the bracket are respectively provided with a first positioning mechanism and a second positioning mechanism, and the first positioning mechanism comprises a first fixing frame, a first mechanical arm, a screw rod, a through hole and a first positioning block;
the first positioning block is fixedly arranged below the compression end of the first mechanical arm, the through hole is formed in the first mechanical arm, the screw rod is connected to the inner cavity of the through hole in a sliding mode, the non-compression end of the first mechanical arm is connected to the inner wall of the first fixing frame in a rotating mode through a rotating shaft, and the first fixing frame is fixedly connected to the top end of the lifting plate;
the second positioning mechanism comprises a second fixing frame, a second mechanical arm, a second positioning block, a fixing rod and a spring;
the bottom of spring install in the tip of arm with between the workstation, the dead lever is fixed in second arm bottom, the second locating piece install in the end that compresses tightly of second arm, the second arm rotate through the pivot connect in the inner wall of second mount, second mount fixed connection in on the support.
As still further aspects of the utility model: the top end of the base is provided with a lifting mechanism, and the lifting mechanism comprises a lifting plate, a connecting piece and a lifting cylinder;
the lifting air cylinder is arranged at the top end of the base, the connecting piece is connected to the output end of the lifting air cylinder, and the lifting plate is fixedly arranged at the top end of the connecting piece.
As still further aspects of the utility model: the end part of the workbench is fixedly connected with limiting plates, and the number of the limiting plates is two.
As still further aspects of the utility model: the second mechanical arm is of an L-shaped structure, the bottom end of the fixing rod is in contact with the top end of the lifting plate, and the top end of the spring is fixedly connected with the bottom end of the workbench.
As still further aspects of the utility model: the bottom ends of the first positioning block/the second positioning block are in contact with the top end of the workbench, and the first positioning block/the second positioning block are of a plastic structure.
Compared with the prior art, the utility model has the beneficial effects that:
the lifting plate is lowered to drive the first mechanical arm belt to rotate anticlockwise through the first positioning mechanism, and the first mechanical arm drives the first positioning block to move downwards, so that the first positioning block positions and clamps the circuit board on the workbench; through setting up second positioning mechanism, make the lifter plate decline drive second arm area clockwise rotation, the second arm drives the circuit board that the second locating piece was located on to the workstation and is pressed from both sides tightly, first positioning mechanism and second positioning mechanism synchronous operation to realized the device and to the effect of circuit board both ends simultaneous location clamp, be applicable to the substrate of different shapes, the suitability is higher.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a first positioning mechanism according to the present utility model;
fig. 3 is a schematic structural diagram of a second positioning mechanism according to the present utility model.
In the figure: 1. a base; 2. a bracket; 3. a work table; 4. a lifting mechanism; 401. a lifting plate; 402. a connecting piece; 403. a lifting cylinder; 5. a first positioning mechanism; 501. a first fixing frame; 502. a first mechanical arm; 503. a screw; 504. a through hole; 505. a first positioning block; 6. a second positioning mechanism; 601. the second fixing frame; 602. a second mechanical arm; 603. a second positioning block; 604. a fixed rod; 605. a spring; 7. and a limiting plate.
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 to 3, in an embodiment of the present utility model, a positioning structure of a screen printer includes a base 1 and a lifting plate 401, a support 2 is fixedly connected to a top end of the base 1, a workbench 3 is installed on an end surface of the support 2, a first positioning mechanism 5 and a second positioning mechanism 6 are respectively installed at two ends of the support 2, and the first positioning mechanism 5 includes a first fixing frame 501, a first mechanical arm 502, a screw 503, a through hole 504, and a first positioning block 505;
the first positioning block 505 is fixedly arranged below the compression end of the first mechanical arm 502, the through hole 504 is formed in the first mechanical arm 502, the screw 503 is slidably connected to the inner cavity of the through hole 504, the non-compression end of the first mechanical arm 502 is rotatably connected to the inner wall of the first fixing frame 501 through a rotating shaft, and the first fixing frame 501 is fixedly connected to the top end of the lifting plate 401;
the second positioning mechanism 6 comprises a second fixing frame 601, a second mechanical arm 602, a second positioning block 603, a fixing rod 604 and a spring 605;
the bottom end of the spring 605 is arranged between the end of the mechanical arm 602 and the workbench 3, the fixed rod 604 is fixed at the bottom end of the second mechanical arm 602, the second positioning block 603 is arranged at the compression end of the second mechanical arm 602, the second mechanical arm 602 is rotationally connected with the inner wall of the second fixing frame 601 through a rotating shaft, and the second fixing frame 601 is fixedly connected with the bracket 2;
the top end of the base 1 is provided with a lifting mechanism 4, and the lifting mechanism 4 comprises a lifting plate 401, a connecting piece 402 and a lifting cylinder 403;
the lifting cylinder 403 is mounted on the top end of the base 1, the connecting piece 402 is connected to the output end of the lifting cylinder 403, and the lifting plate 401 is fixedly mounted on the top end of the connecting piece 402.
In this embodiment: the device is powered on and started to operate, the lifting mechanism 4 is used for operating, the lifting cylinder 403 drives the connecting piece 402 to move up and down, the connecting piece 402 drives the lifting plate 401 to move up and down, and accordingly the lifting plate 401 drives the first positioning mechanism 5 and the second positioning mechanism 6 to move up and down, the fixing rod 604 is jacked up through the lifting plate 401, the fixing rod 604 acts on the second mechanical arm 602, at the moment, the spring 605 is compressed by the extrusion force, the second mechanical arm 602 rotates anticlockwise through the rotating shaft, at the moment, the bottom end of the second positioning block 603 is separated from the surface of the top end of the workbench 3, the extrusion force of the spring 605 is lost to restore the original state when the lifting plate 401 moves down, the second positioning block 602 rotates clockwise through the rotating shaft, at the moment, the second positioning block 603 positions and clamps a circuit board on the workbench 3, at the moment, the lifting plate 401 moves up and drives the first mechanical arm 502 to rotate clockwise through the rotating shaft, at the moment, the first mechanical arm 502 moves upwards through the screw 503 to enable the first positioning block 505 to move upwards, at the moment, the bottom end of the first positioning block 505 is separated from the surface of the top end of the workbench 3 through the workbench 3, the bottom end of the lifting plate 603 is separated from the surface of the top end of the workbench 3, the top end of the lifting plate is separated from the top surface of the workbench 3, and the lifting plate 505 moves downwards, and the circuit board 505 moves down, and the circuit board 505, and the device is clamped on the top, and the device is moved.
Referring to fig. 1, the end of the workbench 3 is fixedly connected with two limiting plates 7, and the number of the limiting plates 7 is two.
In this embodiment: the limiting plate 7 is used for limiting a circuit board placed on the workbench 3 and preventing the circuit board from sliding out of the region of the workbench 3.
Referring to fig. 2, the second mechanical arm 602 has an L-shaped structure, the bottom end of the fixing rod 604 contacts with the top end of the lifting plate 401, and the top end of the spring 605 is fixedly connected with the bottom end of the table 3.
In this embodiment: the fixing rod 604 is jacked up through the lifting plate 401 lifting movement, so that the fixing rod 604 acts on the second mechanical arm 602, the spring 605 is compressed by the extrusion force at the moment, the second mechanical arm 602 rotates anticlockwise through the rotating shaft, the bottom end of the second positioning block 603 is separated from the surface of the top end of the workbench 3 at the moment, when the lifting plate 401 moves downwards, the extrusion force of the spring 605 disappears, the second mechanical arm 602 rotates clockwise through the rotating shaft, and the second positioning block 603 positions and clamps the circuit board on the workbench 3 at the moment.
Referring to fig. 1, the bottom ends of the first positioning block 505 and the second positioning block 603 are in contact with the top end of the worktable 3, and the first positioning block 505 and the second positioning block 603 are in a plastic structure.
In this embodiment: the first positioning block 505 is operated by the first positioning mechanism 5 to position and clamp the circuit board on the workbench 3, the second positioning block 603 is operated by the second mechanism to position and clamp the circuit board on the workbench 3, the first positioning block 505/the second positioning block 603 are of plastic structures, the plastic has elasticity and shock resistance, the two positioning blocks are prevented from being excessively stressed, and the circuit board is protected.
The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides a screen printer location structure, includes base (1) and lifter plate (401), the top fixedly connected with support (2) of base (1), workstation (3) are installed to the terminal surface of support (2), first positioning mechanism (5) and second positioning mechanism (6) are installed respectively at the both ends of support (2), its characterized in that, first positioning mechanism (5) include first mount (501), first arm (502), screw rod (503), through-hole (504), first locating block (505);
the first positioning block (505) is fixedly arranged below the compression end of the first mechanical arm (502), the through hole (504) is formed in the first mechanical arm (502), the screw rod (503) is slidably connected to the inner cavity of the through hole (504), the non-compression end of the first mechanical arm (502) is rotatably connected to the inner wall of the first fixing frame (501) through a rotating shaft, and the first fixing frame (501) is fixedly connected to the top end of the lifting plate (401);
the second positioning mechanism (6) comprises a second fixing frame (601), a second mechanical arm (602), a second positioning block (603), a fixing rod (604) and a spring (605);
the bottom of spring (605) install in between the tip of arm (602) and workstation (3), dead lever (604) are fixed in second arm (602) bottom, second locating piece (603) install in the hold-down of second arm (602), second arm (602) rotate through the pivot connect in the inner wall of second mount (601), second mount (601) fixed connection in on support (2).
2. The positioning structure of a screen printer according to claim 1, wherein a lifting mechanism (4) is mounted at the top end of the base (1), and the lifting mechanism (4) comprises a lifting plate (401), a connecting piece (402) and a lifting cylinder (403);
the lifting cylinder (403) is arranged at the top end of the base (1), the connecting piece (402) is connected to the output end of the lifting cylinder (403), and the lifting plate (401) is fixedly arranged at the top end of the connecting piece (402).
3. The positioning structure of a screen printer according to claim 1, wherein the end part of the workbench (3) is fixedly connected with limiting plates (7), and the number of the limiting plates (7) is two.
4. The positioning structure of a screen printer according to claim 1, wherein the second mechanical arm (602) is in an L-shaped structure, the bottom end of the fixing rod (604) is in contact with the top end of the lifting plate (401), and the top end of the spring (605) is fixedly connected with the bottom end of the workbench (3).
5. The positioning structure of the screen printer according to claim 1, wherein the bottom ends of the first positioning block (505)/the second positioning block (603) are in contact with the top end of the workbench (3), and the first positioning block (505)/the second positioning block (603) are in a plastic structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321609140.XU CN220742442U (en) | 2023-06-25 | 2023-06-25 | Positioning structure of screen printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321609140.XU CN220742442U (en) | 2023-06-25 | 2023-06-25 | Positioning structure of screen printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220742442U true CN220742442U (en) | 2024-04-09 |
Family
ID=90552830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321609140.XU Active CN220742442U (en) | 2023-06-25 | 2023-06-25 | Positioning structure of screen printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220742442U (en) |
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2023
- 2023-06-25 CN CN202321609140.XU patent/CN220742442U/en active Active
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