CN219806581U - Screen plate leveling device - Google Patents
Screen plate leveling device Download PDFInfo
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- CN219806581U CN219806581U CN202320218591.4U CN202320218591U CN219806581U CN 219806581 U CN219806581 U CN 219806581U CN 202320218591 U CN202320218591 U CN 202320218591U CN 219806581 U CN219806581 U CN 219806581U
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- 230000007246 mechanism Effects 0.000 claims abstract description 144
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005286 illumination Methods 0.000 claims description 8
- 241001233242 Lontra Species 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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Abstract
The utility model discloses a screen plate leveling device, which comprises two screen plate fixing mechanisms, four lifting leveling driving mechanisms and a level detection sensor, wherein the screen plate fixing mechanisms are arranged on the screen plate fixing mechanisms; the two screen plate fixing mechanisms are oppositely arranged to form screen plate fixing positions, wherein the two lifting leveling driving mechanisms are arranged beside one screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the remaining two lifting leveling driving mechanisms are arranged beside the other screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the level detection sensor is used for detecting the level fixed on the screen plate fixing mechanism. The screen plate leveling device is provided with two screen plate fixing mechanisms, four lifting leveling driving mechanisms and a level detection sensor, wherein the two screen plate fixing mechanisms are used for fixing the screen plate from two sides, the screen plate is positioned in the screen plate fixing position, and the four lifting leveling driving mechanisms are respectively connected with two ends of the two screen plate fixing mechanisms, namely four corners of the screen plate can be independently leveled by the corresponding lifting leveling mechanisms.
Description
Technical Field
The utility model relates to the technical field of screen plate adjustment, in particular to a screen plate leveling device.
Background
The screen is a rigid bushing used in a production line for printing solder paste or paste on a substrate such as a PCB, FPC, etc. The screen (also called as silk screen, steel mesh) is a necessary basic product for SMT (surface mounting technology) industry.
The existing screen plate fixing mechanism does not have the function of automatically correcting the screen plate level, manual adjustment is needed, adjustment is inaccurate, and time is very consumed.
Disclosure of Invention
The utility model aims to provide a screen leveling device which is capable of automatically correcting the screen level, accurate in adjustment and time-saving.
The utility model discloses a screen plate leveling device, which comprises two screen plate fixing mechanisms, four lifting leveling driving mechanisms and a level detection sensor, wherein the screen plate fixing mechanisms are arranged on the screen plate fixing mechanisms; the two screen plate fixing mechanisms are oppositely arranged to form screen plate fixing positions, wherein the two lifting leveling driving mechanisms are arranged beside one screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the remaining two lifting leveling driving mechanisms are arranged beside the other screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the level detection sensor is used for detecting the level fixed on the screen plate fixing mechanism.
Optionally, the screen plate fixing mechanism comprises a fixing piece and two fixing air cylinders, one side of the fixing piece facing the other screen plate fixing mechanism is provided with a containing cavity, the two fixing air cylinders are respectively arranged at two ends of the fixing piece, and the driving ends of the fixing air cylinders extend into the containing cavity; the lifting leveling driving mechanisms are respectively connected to two ends of the fixing piece.
Optionally, the screen plate fixing mechanism comprises a positioning screw rod, and the positioning screw rod is arranged on the fixing piece and positioned between the two fixing cylinders; the positioning screw rod extends into the accommodating cavity.
Optionally, the screen plate fixing mechanism comprises a loose joint, and two ends of the loose joint are respectively movably connected with the end part of the fixing piece and the lifting leveling driving mechanism.
Optionally, the horizontal detection sensor is four distance sensors, the four distance sensors are installed below the fixed position of the screen plate, and the four distance sensors are arranged in a rectangular shape and correspond to four corners of the screen plate.
Optionally, the screen plate leveling device further comprises a lifting adjusting mechanism, wherein the lifting adjusting mechanism comprises a lifting driving piece, a connecting cross rod and two mounting upright posts; two mounting upright posts are respectively arranged at the sides of the two screen plate fixing mechanisms, wherein two lifting leveling driving mechanisms are arranged on one mounting upright post, and the remaining two lifting leveling driving mechanisms are arranged on the other mounting upright post; the two mounting upright posts are respectively arranged at two ends of the connecting cross rod, and the lifting driving piece is connected with the connecting cross rod.
Optionally, the screen plate leveling device further comprises a main board, a mounting plate and an alignment adjusting mechanism; the mounting plate is positioned below the fixed position of the screen plate, and the four distance sensors are mounted on the mounting plate; the alignment adjusting mechanism is arranged on the main board, the mounting plate is arranged on the alignment adjusting mechanism, and the mounting plate is connected with the connecting cross rod; the alignment adjusting mechanism is used for adjusting the positions of the X axis and the Y direction of the screen plate fixing position.
Optionally, the alignment adjustment mechanism includes a base plate, an X-axis drive and a Y-axis drive; the base plate is installed on the mainboard, and X axle driving piece and Y axle driving piece are installed on the base plate, and the mounting panel is connected with X axle driving piece and Y axle driving piece.
Optionally, the screen leveling device further comprises a screen position identifying mechanism, wherein the screen position identifying mechanism is located above the screen fixing position and is used for identifying the positions of the screen in the X-axis and Y-axis directions.
Optionally, the screen leveling device further comprises an illumination light source, wherein the illumination light source is located below the screen fixing position and corresponds to the screen position recognition mechanism.
The screen plate leveling device is provided with two screen plate fixing mechanisms, four lifting leveling driving mechanisms and a level detection sensor, wherein the two screen plate fixing mechanisms are used for fixing the screen plate from two sides to enable the screen plate to be positioned in a screen plate fixing position, and the four lifting leveling driving mechanisms are respectively connected with two ends of the two screen plate fixing mechanisms, namely four corners of the screen plate can be independently leveled by the corresponding lifting leveling mechanisms. Therefore, when the screen plate is fixed in the screen plate fixing position, whether the screen plate is horizontal or not is detected by the horizontal detection sensor, and if one side or one corner of the screen plate is not horizontal, the corresponding lifting leveling driving mechanism is adjusted to realize automatic leveling of the screen plate, so that leveling is accurate and time-saving.
Drawings
The accompanying drawings, which are included to provide a further understanding of embodiments of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model. It is evident that the figures in the following description are only some embodiments of the utility model, from which other figures can be obtained without inventive effort for a person skilled in the art. In the drawings:
FIG. 1 is a schematic view of a screen leveling device according to an embodiment of the present utility model;
FIG. 2 is an enlarged partial view of portion A of FIG. 1;
FIG. 3 is an enlarged partial view of portion B of FIG. 1;
FIG. 4 is another schematic view of a screen leveling device according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a screen plate leveling device for fixing a screen plate according to an embodiment of the present utility model;
FIG. 6 is a schematic view of a mounting plate according to an embodiment of the present utility model.
Wherein, 1, the fixed mechanism of the otter board; 11. a fixing member; 111. a receiving chamber; 112. a fixed cylinder; 113. positioning a screw; 114. a loose joint; 2. a lifting leveling driving mechanism; 3. a level detection sensor; 4. fixing the screen plate; 5. a lifting adjusting mechanism; 51. a lifting driving member; 52. connecting the cross bars; 53. installing an upright post; 6. a main board; 7. a mounting plate; 8. an alignment adjustment mechanism; 81. a bottom plate; 82. a slide block; 84. a first connecting pole; 85. a connecting transverse plate; 86. a second connecting upright; 9. a screen position recognition mechanism; 10. an illumination light source; 20. a turntable; 201. a station; 30. installing a frame body; 40. a screen plate.
Detailed Description
It is to be understood that the terminology used herein, the specific structural and functional details disclosed are merely representative for the purpose of describing particular embodiments, but that the utility model may be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
The utility model is described in detail below with reference to the attached drawings and alternative embodiments.
As shown in fig. 1 to 6, as an embodiment of the present utility model, a screen leveling device is disclosed, which includes two screen fixing mechanisms 1, four elevating leveling driving mechanisms 2, and a level detecting sensor 3; the two screen plate fixing mechanisms 1 are oppositely arranged to form screen plate fixing positions 4, wherein the two lifting leveling driving mechanisms 2 are arranged beside one screen plate fixing mechanism 1 and are respectively connected with two ends of the screen plate fixing mechanism 1; the remaining two lifting leveling driving mechanisms 2 are arranged beside the other screen plate fixing mechanism 1 and are respectively connected with two ends of the screen plate fixing mechanism 1; the level detection sensor 3 is used for detecting the level fixed on the screen fixing mechanism 1.
The screen plate leveling device is provided with two screen plate fixing mechanisms 1, four lifting leveling driving mechanisms 2 and a level detection sensor 3, wherein the two screen plate fixing mechanisms 1 are used for fixing the screen plate 40 from two sides, the screen plate 40 is positioned at a screen plate fixing position 4, and the four lifting leveling driving mechanisms 2 are respectively connected with two ends of the two screen plate fixing mechanisms 1, namely four corners of the screen plate 40 can be respectively and independently leveled by the corresponding lifting leveling mechanisms. Thus, when the screen 40 is fixed in the screen fixing position 4, the level detection sensor 3 detects whether the screen 40 is level, and if one side or one corner is not level, the corresponding lifting leveling driving mechanism 2 is adjusted to realize automatic leveling of the screen 40, and the leveling is accurate and time-saving.
Specifically, when the lifting leveling mechanism levels, leveling is realized through lifting of the lifting leveling mechanism. The lifting leveling mechanism can be an air cylinder.
Optionally, the screen fixing mechanism 1 includes a fixing member 11 and two fixing cylinders 112, one side of the fixing member 11 facing the other screen fixing mechanism 1 is provided with a containing cavity 111, the two fixing cylinders 112 are respectively installed at two ends of the fixing member 11, and the driving ends of the fixing cylinders 112 extend into the containing cavity 111; the lifting leveling driving mechanism 2 is respectively connected with two ends of the fixing piece 11. In this scheme, through setting up mounting 11 and fixed cylinder 112, wherein set up holding chamber 111 on the mounting 11, the both sides of otter board 40 insert respectively in holding chamber 111, then fix otter board 40 through fixed cylinder 112, realize the fixed of otter board 40. The accommodating cavity 111 can conveniently place the mesh plate 40, and improves the fixing effect of the mesh plate 40. The fixing cylinder 112 is provided at both ends of the fixing member 11 to firmly fix the mesh plate 40.
Alternatively, the screen fixing mechanism 1 includes a positioning screw 113, the positioning screw 113 being mounted on the fixing member 11 and located between the two fixing cylinders 112; the positioning screw 113 protrudes into the accommodation chamber 111. In this scheme, further set up positioning screw 113, before using fixed cylinder 112 to fix otter board 40, can realize the initial location through adjusting positioning screw 113, guarantee that otter board 40 position is difficult to remove. Specifically, the top of the positioning screw 113 is provided with a knob, and the bottom is provided with a pressing sheet, so that the pressing sheet is pressed on the screen 40 when the screen 40 is positioned initially.
Alternatively, the screen fixing mechanism 1 includes a movable joint 114, and both ends of the movable joint 114 are movably connected to the end of the fixing member 11 and the elevating leveling drive mechanism 2, respectively. In the scheme, the end part of the fixing piece 11 is movably connected with the lifting leveling driving mechanism 2 through the movable connector 114, so that flexible connection of the fixing piece 11 and the lifting leveling driving mechanism 2 is realized, and the clamping of the fixing piece is prevented in the process of adjusting the level of the screen 40. Specifically, one end of the loose-joint 114 is rotatably mounted on the fixed member 11, and the other end is rotatably mounted by a bolt.
Alternatively, the horizontal detecting sensor 3 is four distance sensors, which are installed below the screen fixing position 4, and the four distance sensors are arranged in a rectangular shape and correspond to four corners of the screen 40. In this scheme, four distance sensors are arranged below four corners of the screen 40 in a rectangular arrangement, and detect respective distances between the four corners of the screen 40 by the four distance sensors, and detect whether the screen 40 is horizontal or not according to whether the distances are different, and adjust the height of the corresponding side or corner when the distances are different.
Optionally, the screen leveling device further comprises a lifting adjusting mechanism 5, wherein the lifting adjusting mechanism 5 comprises a lifting driving piece 51, a connecting cross rod 52 and two mounting upright posts 53; two mounting upright posts 53 are respectively mounted beside the two screen plate fixing mechanisms 1, wherein two lifting leveling driving mechanisms 2 are mounted on one mounting upright post 53, and the remaining two lifting leveling driving mechanisms 2 are mounted on the other mounting upright post 53; two mounting posts 53 are respectively mounted at both ends of the connecting rail 52, and the lifting driving member 51 is connected to the connecting rail 52. In this embodiment, the lifting adjustment of the screen 40 can be achieved by providing the lifting adjustment mechanism 5, so that the screen 40 is covered on the printing workpiece. Specifically, the lifting adjusting mechanism 5 drives the lifting, which drives the connecting cross rod 52, the mounting upright post 53 and the screen plate fixing mechanism 1 to lift in sequence, and finally drives the screen plate 40 fixed on the screen plate fixing mechanism 1 to lift. Specifically, the printing workpiece is fixed on the station 201 of the turntable 20, the turntable 20 is inserted under the screen fixing position 4, the turntable 20 is circumferentially provided with a plurality of stations 201, the turntable 20 rotates to rotate the printing workpiece fixed on the station 201 under the screen fixing position 4, and the lifting driving member 51 drives the screen 40 to cover the printing workpiece for printing. The elevating driving member 51 may be an air cylinder or the like.
Optionally, the screen plate leveling device further comprises a main board 6, a mounting plate 7 and an alignment adjusting mechanism 8; the mounting plate 7 is positioned below the screen plate fixing position 4, and four distance sensors are mounted on the mounting plate 7; the alignment adjusting mechanism 8 is arranged on the main board 6, the mounting plate 7 is arranged on the alignment adjusting mechanism 8, and the mounting plate 7 is connected with the connecting cross rod 52; the alignment adjusting mechanism 8 is used for adjusting the positions of the screen fixing position 4 in the X axis and Y direction. In this scheme, the adjustment of the X-axis and Y-direction positions of the screen fixing position 4 is realized through the alignment adjusting mechanism 8, so that the screen 40 is also positioned at the required positions in the X-axis and Y-direction, and the accurate alignment of the screen 40 is realized. That is, the screen plate leveling device of the present utility model has not only the function of leveling the screen plate 40 horizontally but also the function of alignment. Specifically, the turntable 20 is mounted on the main board 6 by a rotation motor.
Optionally, the alignment adjustment mechanism 8 includes a base plate 81, an X-axis drive, and a Y-axis drive; the base plate 81 is mounted on the main plate 6, the X-axis driving member and the Y-axis driving member are mounted on the base plate 81, and the mounting plate 7 is connected with the X-axis driving member and the Y-axis driving member. In this embodiment, the X-axis and Y-axis position adjustment of the mesh plate 40 is achieved by the X-axis driving member and the Y-axis driving member. Specifically, the X-axis driving piece is a motor driven along the X-axis, the Y-axis driving piece is a motor driven along the Y-axis, the motors are all connected with sliding blocks 82 through screw rods, and the sliding blocks 82 comprise X-axis sliding blocks capable of sliding along the X-axis and Y-axis sliding blocks capable of sliding along the Y-axis. For the X-axis driving piece, an X-axis sliding block is slidably arranged on the bottom plate 81, the X-axis driving piece is connected with the X-axis sliding block, and a Y-axis sliding block is slidably arranged on the X-axis sliding block; for the Y-axis driving piece, the Y-axis sliding block is slidably arranged on the bottom plate 81, the Y-axis driving piece is connected with the Y-axis sliding block, and the X-axis sliding block is slidably arranged on the Y-axis sliding block, so that when the X-axis driving piece drives, the X-axis sliding block of the Y-axis driving piece can synchronously slide; when the Y-axis driving piece drives, the Y-axis sliding blocks of the X-axis driving piece can also synchronously slide, and practice synchronously slides. When the alignment adjustment is performed, the X-axis driving piece or the axis driving piece performs X-axis driving or Y-axis driving according to the requirement, and sequentially drives the mounting plate 7, the connecting cross rod 52, the mounting upright post 53, the lifting leveling driving mechanism 2 and the screen plate fixing mechanism 1 to perform X-axis driving or Y-axis movement, so that the screen plate 40 is moved in the X-axis or Y-axis direction, and the alignment of the screen plate 40 is realized. More specifically, by providing the first connecting pole 84, the connecting cross plate 85, and the second connecting pole 86, the first connecting pole 84 is connected to the mounting plate 7 and the connecting cross plate 85, respectively, and the second connecting pole 86 is connected to the connecting cross plate 85 and the connecting cross plate 52, respectively. The first connecting uprights 84 are provided in four pairs and are connected to the two ends of the mounting plate 7 and the connecting cross plate 85, respectively. The second connecting upright rods 86 are respectively connected with the connecting transverse plates 85 and the connecting transverse rods 52 to realize linkage.
In the specific installation, the installation upright 53 sequentially passes through the installation plate 7 and the main board 6 to be connected with the connecting cross rod 52, and the first connecting upright 84 passes through the main board 6 to be connected with the connecting cross plate 85.
Optionally, the screen leveling device further includes a screen position identifying mechanism 9, where the screen position identifying mechanism 9 is located above the screen fixing position 4, for identifying the position of the screen 40 in the X-axis and Y-axis directions. In this embodiment, the screen position recognition mechanism 9 recognizes the positions of the screen 40 in the X-axis and Y-axis directions, and when the screen 40 is not positioned in the desired X-axis and Y-axis directions, the alignment adjustment mechanism 8 is adjusted. Specifically, the screen 40 may be provided with an identification target point for identification by the screen position identification means 9, and the screen position identification means 9 determines whether the screen 40 is positioned in the desired X-axis and Y-axis directions by identifying the position of the identification target point. Specifically, the screen position recognition mechanism 9 may be a CCD camera.
Optionally, the screen leveling device further comprises an illumination light source 10, wherein the illumination light source 10 is located below the screen fixing position 4 and corresponds to the position of the screen 40 identification mechanism. In this scheme, illumination light source 10 can throw light on the discernment target, improves the recognition accuracy of otter board position recognition mechanism 9.
Specifically, the main board 6 is also provided with a mounting frame 30 which spans the screen fixing mechanism 1 and the lifting and leveling driving mechanism 2 from above, and the screen position identifying mechanism 9 and the illumination light source 10 are mounted on the mounting frame 30.
The above description of the utility model in connection with specific alternative embodiments is further detailed and it is not intended that the utility model be limited to the specific embodiments disclosed. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.
Claims (10)
1. The screen plate leveling device is characterized by comprising two screen plate fixing mechanisms, four lifting leveling driving mechanisms and a horizontal detection sensor; the two screen plate fixing mechanisms are oppositely arranged to form a screen plate fixing position, wherein the two lifting leveling driving mechanisms are arranged beside one screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the remaining two lifting leveling driving mechanisms are arranged beside the other screen plate fixing mechanism and are respectively connected with two ends of the screen plate fixing mechanism; the level detection sensor is used for detecting the level fixed on the screen plate fixing mechanism.
2. The screen leveling device according to claim 1, wherein the screen fixing mechanism comprises a fixing piece and two fixing cylinders, a containing cavity is formed in one side, facing the other screen fixing mechanism, of the fixing piece, the two fixing cylinders are respectively arranged at two ends of the fixing piece, and driving ends of the fixing cylinders extend into the containing cavity; the lifting leveling driving mechanisms are respectively connected to two ends of the fixing piece.
3. The screen leveling device of claim 2, wherein the screen fixing mechanism comprises a positioning screw mounted on the fixing member and located between the two fixing cylinders; the positioning screw rod stretches into the accommodating cavity.
4. The screen plate leveling device as claimed in claim 2, wherein the screen plate fixing mechanism includes a loose joint member, both ends of which are movably connected to the end of the fixing member and the elevation leveling driving mechanism, respectively.
5. The mesh plate leveling device as claimed in any one of claims 1 to 4, wherein the level detecting sensor is four distance sensors, four of the distance sensors are installed below the mesh plate fixing position, and four of the distance sensors are arranged in a rectangular shape and correspond to four corners of the mesh plate.
6. The screen leveling device of claim 5, further comprising a lift adjustment mechanism comprising a lift drive, a connecting rail, and two mounting posts; the two mounting upright posts are respectively arranged beside the two screen plate fixing mechanisms, wherein two lifting leveling driving mechanisms are arranged on one mounting upright post, and the remaining two lifting leveling driving mechanisms are arranged on the other mounting upright post; the two mounting upright posts are respectively mounted at two ends of the connecting cross rod, and the lifting driving piece is connected with the connecting cross rod.
7. The screen plate leveling device of claim 6 further comprising a motherboard, a mounting plate, an alignment adjustment mechanism; the mounting plate is positioned below the screen plate fixing position, and the four distance sensors are mounted on the mounting plate; the alignment adjusting mechanism is arranged on the main board, the mounting plate is arranged on the alignment adjusting mechanism, and the mounting plate is connected with the connecting cross rod; the alignment adjusting mechanism is used for adjusting the positions of the X axis and the Y direction of the screen plate fixing position.
8. The web leveling device of claim 7, wherein the alignment adjustment mechanism comprises a base plate, an X-axis drive, and a Y-axis drive; the base plate is installed on the mainboard, the X-axis driving piece and the Y-axis driving piece are installed on the base plate, and the mounting plate is connected with the X-axis driving piece and the Y-axis driving piece.
9. The screen leveling device as recited in claim 7 further comprising a screen position identification mechanism positioned above the screen securing location for identifying the position of the screen in the X-axis and Y-axis.
10. The mesh plate leveling device as recited in claim 9 further comprising an illumination source positioned below the mesh plate securing location and corresponding to the mesh plate position identification mechanism position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320218591.4U CN219806581U (en) | 2023-01-31 | 2023-01-31 | Screen plate leveling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320218591.4U CN219806581U (en) | 2023-01-31 | 2023-01-31 | Screen plate leveling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219806581U true CN219806581U (en) | 2023-10-10 |
Family
ID=88212200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320218591.4U Active CN219806581U (en) | 2023-01-31 | 2023-01-31 | Screen plate leveling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219806581U (en) |
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2023
- 2023-01-31 CN CN202320218591.4U patent/CN219806581U/en active Active
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