CN217778047U - Carrier assembly for printing machine - Google Patents
Carrier assembly for printing machine Download PDFInfo
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- CN217778047U CN217778047U CN202220759513.0U CN202220759513U CN217778047U CN 217778047 U CN217778047 U CN 217778047U CN 202220759513 U CN202220759513 U CN 202220759513U CN 217778047 U CN217778047 U CN 217778047U
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- carrier
- edge
- printing machine
- base plate
- circuit board
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Abstract
The utility model discloses a carrier subassembly for printing machine, including carrier bottom plate and carrier fixed plate, the carrier bottom plate has first direction and second direction, first direction with second direction mutually perpendicular, the carrier bottom plate has end to end's first edge, second edge, third edge and fourth edge, the extending direction at first edge with first direction is unanimous, the extending direction at third edge with first direction is unanimous, first edge with the third edge all with the carrier fixed plate is connected, the fixed plate with the not parallel and level in surface of carrier bottom plate, the carrier bottom plate sets up calibration central line, calibration central line with the carrier is followed the coincidence of the central line of second direction. The utility model discloses effectively solve the printing machine when carrying out the paster to PCB, the circuit board takes place the technical problem of deformation in pressing from both sides dress or data send process.
Description
Technical Field
The utility model relates to a printing machine technical field especially relates to a carrier subassembly for printing machine.
Background
The printer needs to fix the PCB (printed circuit board) on a clamping system and a conveying track of the printer during chip packaging of the PCB (printed circuit board), for the PCB (printed circuit board) with thicker board thickness, the clamping system and the conveying track of the printer can effectively convey the PCB (printed circuit board) with lower flexibility, but during production, the PCB (printed circuit board) with larger length-width ratio or smaller board thickness needs to be pasted, because the flexibility of the PCB (printed circuit board) with the characteristics is larger, the board thickness cannot support the PCB (printed circuit board) in the aspect of size, the strength is lower, the flexibility is larger, the flexibility is higher than that of the PCB (printed circuit board), the board thickness cannot support the PCB (printed circuit board) without the flexibility of the printed circuit board), the use of the PCB (printed circuit board) is not well matched with the thickness of the printed circuit board, and the use of the printed circuit board is not well matched with the thickness of the printed circuit board (printed circuit board), and the printed circuit board can not be matched with the thickness of the PCB (printed circuit board) so that the PCB (printed circuit board) and the use of the PCB can not be well matched with the thickness of the clamping system and the PCB (printed circuit board, the PCB) and the PCB (printed circuit board can not be matched with the PCB) and the PCB with the auxiliary printed circuit board.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a carrier subassembly for printing machine effectively solves the printing machine when carrying out the paster to PCB, and the technical problem that the circuit board takes place to warp in pressing from both sides dress or data send process.
In order to solve the technical problem, the embodiment of the utility model discloses a carrier subassembly for printing machine, including carrier bottom plate and carrier fixed plate, the carrier bottom plate has first direction and second direction, first direction with second direction mutually perpendicular, the carrier bottom plate has end to end's first edge, second edge, third edge and fourth edge, the extending direction at first edge with first direction is unanimous, the extending direction at third edge with first direction is unanimous, first edge with the third edge all with the carrier fixed plate is connected, the fixed plate with the not parallel and level in surface of carrier bottom plate, the carrier bottom plate sets up the calibration central line, the calibration central line with the carrier is followed the central line coincidence of second direction.
Furthermore, the fixing plate protrudes out of the surface of the carrier base plate.
Further, the second edge is also connected with the carrier fixing plate.
Further, the extending direction of the second edge is consistent with the second direction, and the extending direction of the fourth edge is consistent with the second direction.
Furthermore, the carrier bottom plate is provided with heat conduction holes, and the heat conduction holes are uniformly distributed on the carrier bottom plate.
Further, the heat conduction hole is a kidney-shaped hole, the width of the kidney-shaped hole is smaller than the length of the kidney-shaped hole, and the length direction of the kidney-shaped hole is consistent with the first direction.
Further, the width of the heat conduction hole is not larger than the thickness of the carrier base plate.
Further, the carrier assembly for the printing machine further comprises a heat insulation adhesive tape.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses carrier subassembly for printing machine, including carrier bottom plate and carrier fixed plate, the carrier bottom plate is used for supporting the circuit Board, the carrier fixed plate is used for being connected with the printing machine, the carrier bottom plate has first direction and second direction, first direction and the second direction mutually perpendicular, the carrier bottom plate has end to end first edge, second edge, third edge and fourth edge, the extending direction of first edge with first direction is unanimous, the extending direction of third edge with first direction is unanimous, first edge with the third edge all is connected with the carrier fixed plate, the fixed plate is not parallel and level with the surface of carrier bottom plate, will the carrier subassembly is fixed in on the track Board of printing machine through the fixed plate, conveniently through conveying the carrier drives PCB conveying, the carrier base plate is provided with a calibration center line, the calibration center line is coincident with the center line of the carrier along the second direction, and the center of the carrier is positioned on the calibration center line in the printing process, so that the Board stop X (X coordinate point of the stop position of the circuit printed Board) of the printing machine can be compensated and calibrated by measuring the distance from the center of the PCB to the calibration center line, the circuit Board placed on the carrier base plate can accurately correspond to the printing position of the printing machine, the deformation problem caused by the fact that the circuit Board is singly supported by a clamping system and a conveying rail of the printing machine due to large flexibility is avoided, the printing yield is improved, the adaptability of the printing machine is improved, meanwhile, the circuit boards can be placed on both sides of the calibration center line of the carrier for printing, the effective utilization range of a steel mesh corresponding to the carrier is improved, and the use cost of the steel mesh is reduced, the working cost of the printing machine is reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic top view of a carrier assembly for a printing machine according to an embodiment of the present invention.
Fig. 2 isbase:Sub>A schematic cross-sectional view atbase:Sub>A-base:Sub>A of fig. 1.
Wherein the reference numerals in the figures correspond to: 10-carrier base plate, 11-first edge, 12-second edge, 13-third edge, 14-fourth edge, 15-heat conduction hole, 20-carrier fixing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby features defined as "first", "second" may explicitly or implicitly include one or more of those features, in the description of the invention "plurality" means two or more unless specifically defined otherwise.
Fig. 1 is the utility model providesbase:Sub>A carrier subassembly for printing machine overlook the structure sketch map, fig. 2 is the cross-sectional structure sketch map of fig. 1 in A-A department, as shown in fig. 1 and fig. 2, carrier subassembly for printing machine includes carrier bottom plate 10 and carrier fixed plate 20, and in the use, the circuit board, also be PCB, places on carrier bottom plate 10, carrier fixed plate 20 mutually supports with the orbital support limit of conveying of printing machine to realize the continuous transmission operation, when the printing machine worked, carrier fixed plate 20 with the support limit cooperates and drives the circuit board motion, simultaneously carrier fixed plate 20 with the support limit cooperates and also provides the supporting role to carrier subassembly, except that the support limit to carrier subassembly, the bottom that is located the circuit board below is aimed at the thimble and also can be supported carrier subassembly, ensures the stationarity of whole carrier subassembly operation in work platform to improve the quality improvement yield of printing. Meanwhile, the sensor of the printing machine detects the carrier in-place condition to determine whether to start the next working step.
In the embodiment of the present invention, the carrier base plate 10 has a first direction and a second direction, the first direction and the second direction are perpendicular to each other, specifically, the first direction is parallel to the transfer direction of the transfer track, the second direction is substantially perpendicular to the transfer direction of the transfer track, the carrier base plate 10 has a first edge 11, a second edge 12, a third edge 13 and a fourth edge 14 connected end to end, the extending direction of the first edge 11 is consistent with the first direction, the extending direction of the third edge 13 is consistent with the first direction, the first edge 11 and the third edge 13 are all connected to the carrier fixing plate 20, the fixing plate is not flush with the surface of the carrier base plate 10, the carrier assembly is fixed on the track plate of the printing machine through the fixing plate, so as to facilitate the carrier to drive the PCB to transfer, and effectively solve the technical problem that the circuit board deforms during the clamping or transferring process.
In an embodiment of the present invention, the carrier base plate 10 is provided with a calibration center line, and the calibration center line coincides with the center line of the carrier along the second direction. Since the center of the carrier is located on the calibration center line during the printing process, the Board stop X (X coordinate point of the stopping position of the printed circuit Board) of the printing machine can be compensated and calibrated by measuring the distance from the center of the PCB to the calibration center line, and the printer scale data can be set by summing the calculated width of the PCB placed on the carrier along the second direction and the size of the carrier fixing plate 20 connected to the first edge 11 and the third edge 13, for example: the width of the PCB placed on the carrier along the second direction is 100mm, and the size of the carrier fixing plate 20 connected to the first edge 11 and the third edge 13 is 10mm, and then the size of the printer scale to be adjusted is 120mm by calculating 100mm +10mm + 2= 120mm. In summary, on the one hand, compensation calibration is performed through a Board stop X (X coordinate point of a stop position of a circuit printed Board) of the printing machine, and on the other hand, adjustment is performed through a graduated scale of the printing machine, so that a calibration mark of the PCB, a coaxial camera and a calibration mark of a steel plate are on the same axis, and further, a circuit Board placed on the carrier base plate 10 can accurately correspond to a printing position of the printing machine, thereby avoiding the problem that the circuit Board is deformed due to large flexibility because the circuit Board is independently supported by a clamping system and a transmission rail of the printing machine, improving the yield of printing, and improving the adaptability of the printing machine.
The embodiment of the utility model provides an in, because the calibration center line both sides of carrier all can place the circuit board and print, after the position of placing of the circuit board on the adjustment carrier subassembly, or when placing the circuit board respectively at two different unilateral of the calibration center line of carrier and printing, the printer will carry out position autocorrection to the steel mesh in the certain limit promptly to make steel mesh, coaxial camera and carrier subassembly on same axis, and then guarantee that the solder paste can accurately fall on the pad surface of the circuit board of placing on the carrier subassembly through the fretwork on the steel mesh. Furthermore, because of the use of the carrier assembly, the circuit board can be placed on both sides of the calibration center line of the carrier assembly for printing, the utilization rate of the steel mesh corresponding to the carrier assembly is also improved, namely different hollow parts can be arranged on the steel mesh at positions corresponding to both sides of the calibration center line of the carrier base plate 10, so that solder paste printing can be performed on different circuit boards on the carrier assembly, the efficiency of the printing machine is improved, the utilization rate of the steel mesh is also improved, the problem that the utilization rate of the steel mesh is insufficient due to the fact that the steel mesh can only be printed by corresponding to a limited circuit board area in the absence of the carrier assembly is avoided, the effective utilization range of the steel mesh corresponding to the carrier is improved, the use cost of the steel mesh is reduced, and the working cost of the printing machine is reduced.
With continued reference to fig. 1 and 2, in an embodiment of the present invention, the fixing plate protrudes from the surface of the carrier base plate 10. Since the surface of the carrier base plate 10 needs to bear a circuit board, the surface of the carrier base plate 10 needs to sink to a predetermined height relative to the carrier fixing plate 20 to provide a receiving space for the circuit board.
With continued reference to fig. 1 and 2, in the embodiment of the present invention, the second edge 12 is also connected to the carrier fixing plate 20, and this arrangement ensures that the carrier base plate 10 is limited along the first direction, so as to provide traction power for the movement of the carrier base plate 10 on the track.
With continued reference to fig. 1 and 2, in an embodiment of the present invention, the extending direction of the second edge 12 is consistent with the second direction, the extending direction of the fourth edge 14 is consistent with the second direction, and the carrier base plate 10 is a regular quadrangle, which facilitates positioning and calibration of the carrier base plate 10 and the circuit board placed on the carrier base plate 10 during solder paste printing.
With continued reference to fig. 1 and fig. 2, in the embodiment of the present invention, the carrier base plate 10 is provided with heat conduction holes 15, and the heat conduction holes 15 are uniformly distributed on the carrier base plate 10. After the carrier assembly carries the product to flow into the reflow soldering furnace, the PCB can be uniformly heated, and the heating uniformity is ensured by the arrangement of the heat conduction holes 15.
With continuing reference to fig. 1 and 2, in the embodiment of the present invention, the heat conduction hole 15 is a waist-shaped hole, the width of the waist-shaped hole is smaller than the length of the waist-shaped hole, the length direction of the waist-shaped hole is consistent with the first direction, and the arrangement of the waist-shaped hole facilitates the formation of hot air convection, thereby ensuring the welding quality.
In the embodiment of the present invention, the width of the heat conduction hole 15 is not greater than the thickness of the carrier base plate 10, so as to ensure the supporting effect of the circuit board on the carrier base plate 10.
In an embodiment of the present invention, the carrier assembly for a printing machine further includes a heat insulating tape. The purpose of the heat insulation adhesive tape is to fix the PCB on the carrier base plate 10, so that the phenomenon that the PCB is inclined and displaced due to transmission or vibration, an optical point of a printer cannot be grabbed, abnormal shutdown working hours are caused, and economic loss, low efficiency and capacity are brought.
Implement the utility model discloses, following beneficial effect has:
the utility model discloses carrier subassembly for printing machine, carrier bottom plate 10 is used for bearing the circuit Board, carrier fixed plate 20 is used for being connected with the printing machine, carrier bottom plate 10 has first direction and second direction, first direction with second direction mutually perpendicular, carrier bottom plate 10 has end to end first edge 11, second edge 12, third edge 13 and fourth edge 14, the extending direction of first edge 11 with the first direction is unanimous, the extending direction of third edge 13 with the first direction is unanimous, first edge 11 with third edge 13 all is connected with carrier fixed plate 20, the fixed plate is not parallel and level with the surface of carrier bottom plate 10, will the carrier subassembly is fixed in on the track Board of printing machine through the fixed plate, conveniently through conveying the carrier drives the PCB conveying, the carrier base plate 10 is provided with a calibration center line, the calibration center line is coincident with the center line of the carrier along the second direction, and the center of the carrier is positioned on the calibration center line in the printing process, so that the Board stop X (X coordinate point of the stop position of the circuit printed Board) of the printing machine can be compensated and calibrated by measuring the distance from the center of the PCB to the calibration center line, the circuit Board placed on the carrier base plate 10 can accurately correspond to the printing position of the printing machine, the problem that the circuit Board is singly supported by a clamping system and a conveying track of the printing machine due to large flexibility is avoided, the printing yield is improved, the adaptability of the printing machine is improved, meanwhile, the circuit Board can be placed on both sides of the calibration center line of the carrier for printing, and the effective utilization range of a steel mesh corresponding to the carrier is improved, the use cost of the steel mesh is reduced, and the working cost of the printing machine is reduced.
The above disclosure is only illustrative of the preferred embodiments of the present invention, and should not be taken as limiting the scope of the invention, which is defined by the appended claims.
Claims (8)
1. A carrier assembly for a printer, comprising a carrier base plate (10) and a carrier fixing plate (20), wherein the carrier base plate (10) has a first direction and a second direction, the first direction and the second direction are perpendicular to each other, the carrier base plate (10) has a first edge (11), a second edge (12), a third edge (13) and a fourth edge (14) connected end to end, an extending direction of the first edge (11) is identical to the first direction, an extending direction of the third edge (13) is identical to the first direction, the first edge (11) and the third edge (13) are both connected to the carrier fixing plate (20), the fixing plate is not flush with a surface of the carrier base plate (10), the carrier base plate (10) is provided with a calibration center line, and the calibration center line coincides with a center line of the carrier along the second direction.
2. The carrier assembly for a printer according to claim 1, wherein the fixing plate protrudes from a surface of the carrier base plate (10).
3. Carrier assembly for a printing machine according to claim 1, characterized in that said second edge (12) is also connected to said carrier fixing plate (20).
4. Carrier assembly for a printing machine according to claim 1, wherein the second edge (12) extends in a direction coinciding with said second direction and the fourth edge (14) extends in a direction coinciding with said second direction.
5. The carrier assembly for the printer according to claim 1, wherein the carrier base plate (10) is provided with heat-conducting holes (15), and the heat-conducting holes (15) are uniformly distributed on the carrier base plate (10).
6. The carrier assembly for a printer according to claim 5, wherein the heat conduction hole (15) is a kidney-shaped hole, the width of the kidney-shaped hole is smaller than the length of the kidney-shaped hole, and the length direction of the kidney-shaped hole is consistent with the first direction.
7. The carrier assembly for a printer according to claim 5, wherein the width of the heat conduction hole (15) is not greater than the thickness of the carrier base plate (10).
8. The carrier assembly for a printer according to claim 1, further comprising a heat insulating tape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220759513.0U CN217778047U (en) | 2022-04-01 | 2022-04-01 | Carrier assembly for printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220759513.0U CN217778047U (en) | 2022-04-01 | 2022-04-01 | Carrier assembly for printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217778047U true CN217778047U (en) | 2022-11-11 |
Family
ID=83907767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220759513.0U Active CN217778047U (en) | 2022-04-01 | 2022-04-01 | Carrier assembly for printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217778047U (en) |
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2022
- 2022-04-01 CN CN202220759513.0U patent/CN217778047U/en active Active
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