CN217863259U - Rectangular screen frame positioning component and direct platemaking equipment - Google Patents
Rectangular screen frame positioning component and direct platemaking equipment Download PDFInfo
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- CN217863259U CN217863259U CN202222054477.0U CN202222054477U CN217863259U CN 217863259 U CN217863259 U CN 217863259U CN 202222054477 U CN202222054477 U CN 202222054477U CN 217863259 U CN217863259 U CN 217863259U
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Abstract
The embodiment of the application provides a rectangular screen frame positioning component and direct plate-making equipment, which are used for realizing mechanical self-adaptive fixation of screen frames with different sizes. The concrete structure can include: the at least one positioning block and the first spring plunger piston are distributed on two sides of the rectangular frame, the first spring plunger piston and the second spring plunger piston are positioned on the same side of the rectangular frame, and pin columns of the first spring plunger piston and the second spring plunger piston are perpendicular to an extension line of the edge where the first frame of the rectangular net frame is positioned; at least one positioning block is provided with a convex surface tangent to the outer parallel surface of the second frame; the second frame and the first frame are opposite sides of the rectangular screen frame; when the rectangular screen frame is placed between the at least one positioning block and the first spring plunger, the at least one positioning block is in line contact with the second frame, and springs in the first spring plunger and the second spring plunger are compressed, so that the pins of the first spring plunger and the second spring plunger are abutted against the first frame of the rectangular screen frame under the action of elastic force.
Description
Technical Field
The application relates to the technical field of screen printing, in particular to a rectangular screen frame positioning component and direct plate making equipment.
Background
Screen printing is called screen printing for short, also called stencil printing, silk screen printing and silk lacquer printing, and is one of the most widely used stencil printing. Before screen printing, a printing plate required for screen printing needs to be made. At present, a computer-to-plate technology (for example, the application number is 201310084860.3, wherein a laser direct plate-making device is used for a flat screen printing plate) appears in the field of screen printing, and the photosensitive coating on an exposure surface is scanned by emergent light emitted by a light source assembly to be exposed, and the exposed photosensitive coating is developed to generate a required developed image.
Direct platemaking equipment among the correlation technique needs the manual work to place the screen frame at fixed position along the emergent light vertical direction in carrying out the screen printing platemaking in-process to the fixed centre gripping of screen frame is fixed to the centre gripping subassembly until artifical support. If the operation of the manual supporting screen frame device is not standard, an event that people are injured by clamping of the clamping assembly can occur. In view of the above, there is a need for improvement of the prior art direct plate making apparatus to improve the safety of the operation thereof.
Disclosure of Invention
The embodiment of the application provides a rectangular screen frame positioning component and direct plate-making equipment, which are used for realizing mechanical self-adaptive fixation of screen frames with different sizes, and the screen frame is not required to be manually supported and fixed in the screen printing and plate-making process, so that the operation safety of the screen plate-making equipment and the adaptability of the screen frames with different sizes are improved.
A first aspect of an embodiment of the present application provides a rectangular frame positioning component, which may include:
the positioning device comprises a first spring plunger, a second spring plunger and at least one positioning block; wherein the content of the first and second substances,
the at least one positioning block and the first spring plunger are distributed on two sides of the rectangular frame, the first spring plunger and the second spring plunger are located on the same side of the rectangular frame, and pin columns of the first spring plunger and the second spring plunger are perpendicular to an extension line of the edge where the first frame of the rectangular screen frame is located;
a convex surface tangent to the outer parallel surface of the second frame is arranged on the at least one positioning block; the second frame and the first frame are opposite sides of a rectangular screen frame;
when the rectangular net frame is placed between the at least one positioning block and the first spring plunger, the at least one positioning block is in line contact with the second frame, and springs in the first spring plunger and the second spring plunger are compressed, so that pins of the first spring plunger and the second spring plunger are abutted against and fixed on the first frame of the rectangular net frame under the action of elastic force.
Optionally, as a possible implementation manner, the rectangular frame positioning component in the embodiment of the present application may include two positioning blocks.
Optionally, as a possible implementation manner, the rectangular screen frame positioning component in the embodiment of the present application may further include at least two screen frame limiting blocks fixedly mounted at the same height, and the at least two screen frame limiting blocks are used for supporting and limiting the height of the rectangular screen frame in the vertical direction.
Optionally, as a possible implementation manner, in the rectangular frame positioning component in the embodiment of the present application, the pins of the first spring plunger and the second spring plunger are cylindrical.
Optionally, as a possible implementation manner, the rectangular frame positioning component in the embodiment of the present application may further include a mounting block for fixing the first spring plunger and the second spring plunger.
Optionally, as a possible implementation manner, in the rectangular frame positioning component in the embodiment of the present application, a through threaded hole is formed in the mounting block, and the first spring plunger and the second spring plunger are fixedly connected through the threaded hole in the mounting block.
A second aspect of embodiments of the present application provides a direct plate-making apparatus, which may include:
an optical assembly, a scanning movement assembly, a beam member, a controller, and a rectangular frame positioning member as in any one of the possible embodiments of the first aspect and the first aspect; wherein the content of the first and second substances,
the scanning moving component is used for driving the optical component to move on a plane parallel to the exposure surface on the rectangular screen frame;
the optical assembly comprises a plurality of lasers;
the beam part comprises an upper beam and a lower beam, and the upper beam and/or the lower beam are/is provided with a clamp for clamping the rectangular net frame;
the first spring plunger and the second spring plunger are respectively arranged on the upper cross beam and the lower cross beam, and the at least one positioning block is arranged on the upper cross beam and/or the lower cross beam;
the controller is electrically connected with the optical assembly and the control switch of the clamp, controls the clamp to clamp the rectangular screen frame after the rectangular screen frame is fixed by the rectangular screen frame positioning part, and generates a control signal for controlling the switch of the laser according to the real-time position of each laser in the moving process of the optical assembly so as to selectively expose the pixel points on the photosensitive coating on the exposure surface.
Optionally, as a possible implementation manner, in the direct plate making apparatus in the embodiment of the present application, the scanning moving assembly may include: a transverse guide rail parallel to the adjusting guide rail, a transverse moving table and an object stage;
the transverse moving platform is arranged on the transverse guide rail and can move along the transverse guide rail, and a longitudinal guide rail is arranged on the transverse moving platform;
the object stage is arranged on the longitudinal guide rail and can drive the optical assembly arranged on the object stage to move along the longitudinal guide rail.
Optionally, as a possible implementation manner, in the direct plate-making apparatus in the embodiment of the present application, a slider nut and a locking screw are further installed on the positioning block, and a guide groove matched with the slider nut is provided on the upper beam and/or the lower beam, so that the slider nut slides along the guide groove.
According to the technical scheme, the embodiment of the application has the following advantages:
in the embodiment of the application, the protruding surfaces of the pin column and the positioning block of the first spring plunger and the second spring plunger respectively support the rectangular screen frame from two opposite sides of the rectangular screen frame, so that the rectangular screen frame is stressed and fixed from at least three different directions, the multiple rectangular screen frames in a certain size range are fixed based on mechanical self-adaption, the fixed screen frame does not need to be supported manually in the screen printing and plate making process, and the safety of plate making operation of screen printing and plate making equipment is improved.
Secondly, before carrying out the plate-making, can adjust the position of locating piece through the cooperation of slip nut and guide way, and then can be along with the position of the width adjustment locating piece of screen frame and fixed this locating piece for rectangle screen frame locating part can the not unidimensional rectangle screen frame of adaptation, has improved the suitability of silk screen plate-making equipment to not unidimensional screen frame.
Drawings
FIG. 1 is a schematic diagram of a possible structure and frame position of a rectangular frame positioning member according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of a positioning block in a positioning component of a rectangular screen frame in an embodiment of the present application;
fig. 3 is a schematic view of an embodiment of a direct plate-making apparatus in an embodiment of the present application.
Detailed Description
In order to make the technical solutions of the present application better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description and claims of the present application and in the above-described drawings, the terms "center", "horizontal", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, merely to facilitate the description of the present application and to simplify the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The term "comprises" and any variations thereof is intended to cover non-exclusive inclusions. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
For ease of understanding, the specific structure in the embodiment of the present application will be described below, and the rectangular frame positioning member can be applied to a direct plate making apparatus. Referring to fig. 1 to 2, an embodiment of a rectangular frame positioning component in an embodiment of the present application may include: a first spring plunger 10, a second spring plunger 20 and at least one positioning block 30.
In the embodiment of the present application, the one or more positioning blocks 30 and the first spring plunger 10 are distributed on two sides of the rectangular frame a, the first spring plunger 10 and the second spring plunger 20 are located on the same side of the rectangular frame a, and the pins of the first spring plunger 10 and the second spring plunger 20 are perpendicular to the extension line of the edge where the first frame A1 of the rectangular frame a is located. Specifically, the spring plunger is also called a ball plunger or a positioning ball/column, a spring is arranged in the screw thread, and the pretightening force is adjusted by controlling the screwing depth to realize the positioning function. The internal structure of the spring plunger can refer to the related art, and is not described in detail herein. Alternatively, the pins of the first spring plunger 10 and the second spring plunger 20 in the present application are cylindrical. Preferably, in order to prevent the pins from scratching the net frame, the ends of the cylindrical pins can be provided with hemispheres with equal diameters.
Optionally, a connecting line between the ends of the pins of the first spring plunger 10 and the second spring plunger 20 and an extension line of the edge where the first frame A1 is located may be parallel, or may form a slight included angle smaller than 3 degrees.
As shown in fig. 2, each positioning block 30 is provided with a convex surface 301 tangential to the outer parallel surface of the second frame A2; the second frame A2 and the first frame A1 are opposite sides of the rectangular screen frame a. Optionally, the positioning component of the rectangular frame in the embodiment of the present application may include at least one positioning block, preferably one or two positioning blocks. When the positioning device comprises a plurality of positioning blocks, the positioning blocks are positioned on the same side of the rectangular screen frame, and tangent planes of convex surfaces of the positioning blocks are superposed.
It should be noted that the position of the positioning block 30 is adjusted in advance according to the size of the screen frame, and then remains fixed in the batch plate making process, so that the relative position of each rectangular screen frame and the positioning block 30 is unchanged, and the positioning of the frame is realized.
It should be noted that the waist-shaped hole shown on the positioning block 30 shown in fig. 2 is provided for fixing the positioning block 30 with an external structural component, in practical applications, the waist-shaped hole is not required to be provided, and through holes with other shapes or even holes are not provided, and the specific shape is not limited here.
When the rectangular net frame a is placed between the positioning block 30 and the first spring plunger 10, the positioning block 30 is in line contact with the second frame A2, and the springs in the first spring plunger 10 and the second spring plunger 20 are compressed, so that the pins of the first spring plunger 10 and the second spring plunger 20 are abutted against the first frame A1 of the rectangular net frame a under the action of elastic force.
According to the above disclosure, in the embodiment of the application, the pins of the first spring plunger, the pins of the second spring plunger, and the protruding surfaces of the positioning block respectively support the rectangular screen frame from two opposite sides of the rectangular screen frame, so that the rectangular screen frame is stressed and fixed from at least three different directions, the various rectangular screen frames in a certain size range are mechanically self-adaptive fixed, the screen frame does not need to be manually supported and fixed in the screen printing and plate making process, and the safety of plate making operation of the screen printing and plate making equipment is improved.
On the basis of the above embodiment, in the actual screen printing plate making process, the frame in the vertical direction outside the first frame and the second frame is not fixed, and in order to prevent the frame from sliding in the vertical direction, as a possible implementation manner, the rectangular screen frame positioning component in the embodiment of the present application may further include at least two screen frame limiting blocks 40 fixedly installed at the same height, and configured to support and limit the height of the rectangular screen frame in the vertical direction. The contact surface between the net frame limiting block 40 and the net frame A is a plane, and the specific structure of the net frame limiting block can be set according to actual requirements, and is not limited here. Illustratively, the frame stopper 40 may be a rectangular parallelepiped shape, a trapezoidal shape, a cylindrical shape, or the like.
Optionally, as a possible embodiment, the rectangular frame positioning component in the present application is further provided with a mounting block (B1 and B2 shown in fig. 1) for fixing the first spring plunger 10 and the second spring plunger 20, and the mounting block is fixedly connected with a structure in the direct plate making apparatus to fix the first spring plunger 10 and the second spring plunger 20 at a desired position. Optionally, a through threaded hole is formed in the mounting block, and the first spring plunger 10 and the second spring plunger 20 are fixedly connected through the threaded hole in the mounting block.
On the basis of the above-mentioned embodiments shown in fig. 1 to fig. 2, the present application also provides a direct plate-making apparatus, as shown in fig. 3, as a possible implementation manner, the direct plate-making apparatus in the embodiments of the present application may include:
an optical assembly 50, a scanning movement assembly, a beam member, a controller (not shown), and a rectangular frame positioning member as shown in any one of the embodiments of fig. 1 to 2; the scanning moving component is used for driving the optical component 50 to move on a plane parallel to the exposure surface on the rectangular screen frame.
Alternatively, as a possible implementation, as shown in fig. 3, the scan moving assembly may include: a cross guide 601, a cross translation stage 602, and a stage 603. The transverse moving platform 602 is mounted on the transverse guide rail 601 and can move along the transverse guide rail 601, and a longitudinal guide rail 604 is arranged on the transverse moving platform 602; stage 603 is mounted on longitudinal rail 604 and moves optical assembly 50 mounted thereon along longitudinal rail 604. Wherein the optical assembly 50 comprises a plurality of lasers, preferably, the lasers in the optical assembly 50 are distributed along a straight line.
It should be noted that the specific structure of the scanning moving assembly shown in fig. 3 is only exemplary, and other structures can be used in practical applications to realize the movement of the optical assembly in the horizontal direction and the vertical direction relative to the exposure surface. For example, a robot, a screw transmission, and the like may be arranged to realize the movement of the laser in the horizontal direction and the vertical direction on the optical assembly, and the specific details are not limited herein.
The beam part comprises an upper beam 701 and a lower beam 702, and the upper beam 701 and/or the lower beam 702 are/is provided with a clamp 703 for clamping the rectangular net frame. The clamp 703 may drive the piston rod to continuously abut against the rectangular frame a along the vertical direction of the exposure surface in the working state, and the specific structure thereof may refer to the prior art and is not described herein. It should be noted that the clamp 703 may be driven by an air cylinder or electrically, and may be specifically set according to actual requirements, which is not limited herein.
The controller is electrically connected to the optical assembly 50 and the control switch of the clamp 703. After the rectangular screen frame positioning part fixes the exposure surface, the controller controls the clamp to clamp the rectangular screen frame, and in the moving process of the optical assembly 40, a control signal for controlling the laser switch is generated according to the real-time position of each laser so as to selectively expose the pixel points on the photosensitive coating on the exposure surface.
The imaging process of the direct plate making device in the application is as follows: and rasterizing the image to be imaged on the exposure surface of the workpiece to be processed to obtain the position information of the laser exposure point on the exposure surface. The rectangular screen frame is placed between the positioning block and the first spring plunger, the pin columns of the first spring plunger and the second spring plunger and the protruding surface of the positioning block respectively support the rectangular screen frame from two opposite sides of the rectangular screen frame, so that the rectangular screen frame is stressed and fixed from at least three different directions, and then the controller controls the clamp to clamp the rectangular screen frame. Then, in the process of moving the laser on the optical component (for example, firstly scanning one row along the transverse guide rail, then adjusting the vertical position of the laser along the longitudinal guide rail, continuously scanning the next row along the transverse guide rail, and circularly scanning in the above way until the scanning of all pixel rows is completed), detecting the real-time position of the laser on the laser array, and judging whether the position where the laser can be exposed is consistent with the position of a laser exposure point; if the pixel rows are consistent with each other, the corresponding laser can be started to expose until the selective exposure of all the pixel rows on the exposure surface of the whole rectangular screen frame is completed, and then the single plate making is completed.
It is understood that the controller in this application may be, in some embodiments, a Central Processing Unit (CPU), a microprocessor, or other data Processing chip (e.g., FPGA, PLC, etc.), and may run program codes or process data stored in a memory, execute a computer program, etc. to implement the set function, and the specific implementation manner is not limited in this application.
As can be seen from the above disclosure, in the direct plate-making apparatus in the embodiment of the present application, the pins of the first spring plunger, the second spring plunger, and the protruding surfaces of the positioning block respectively support the rectangular screen frame from two opposite sides of the rectangular screen frame, so that the rectangular screen frame is forced and fixed from at least three different directions. From this, this application has realized the mechanical location and the fixing of rectangle screen frame, need not artifical fixed screen frame of support among the silk screen printing plate-making process, has improved the security of silk screen plate-making equipment operation.
Optionally, on the basis of the embodiment shown in fig. 3, as a possible implementation manner, in the embodiment of the present application, a slider nut (not shown in fig. 3) and a locking screw 80 are further installed on the positioning block, and a guide groove 90 matched with the slider nut is provided on the upper cross beam and/or the lower cross beam, so that the slider nut slides along the guide groove 90.
It should be noted that, the specific structure of the slider nut may refer to the related art, for example, the slider nut may be a T-shaped slider nut or a square slider nut, and the specific shape is not limited herein. In addition, the upper cross beam and/or the lower cross beam are provided with guide grooves matched with the slider nuts, the guide grooves can be matched according to the appearance structure of the slider nuts, and the guide grooves are not limited here.
Before plate making, can adjust the position of locating piece through the cooperation of slip nut and guide way, and then can be along with the position of the width adjustment locating piece of screen frame and fixed this locating piece for rectangle screen frame locating component can not unidimensional rectangle screen frame of adaptation, has improved the suitability of silk screen plate making equipment to unidimensional screen frame.
The above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (9)
1. A rectangular frame positioning member, comprising: the positioning device comprises a first spring plunger, a second spring plunger and at least one positioning block; wherein, the first and the second end of the pipe are connected with each other,
the at least one positioning block and the first spring plunger are distributed on two sides of the rectangular frame, the first spring plunger and the second spring plunger are located on the same side of the rectangular frame, and pin columns of the first spring plunger and the second spring plunger are perpendicular to an extension line of the edge where the first frame of the rectangular screen frame is located;
a convex surface tangent to the outer parallel surface of the second frame of the rectangular screen frame is arranged on at least one positioning block; the second frame and the first frame are opposite sides of a rectangular screen frame;
when the rectangular net frame is placed between the at least one positioning block and the first spring plunger, the at least one positioning block is in line contact with the second frame, and springs in the first spring plunger and the second spring plunger are compressed, so that pins of the first spring plunger and the second spring plunger are abutted against and fixed on the first frame of the rectangular net frame under the action of elastic force.
2. The rectangular frame positioning component of claim 1, wherein said rectangular frame positioning component comprises two positioning blocks.
3. The rectangular screen frame positioning component according to claim 1, further comprising at least two screen frame limiting blocks fixedly installed at the same height for supporting and limiting the height of the rectangular screen frame in the vertical direction.
4. The rectangular frame positioning member of any of claims 1 to 3, wherein the pins of the first and second spring plungers are cylindrical.
5. The rectangular frame positioning member of any one of claims 1 to 3, further comprising a mounting block for securing said first spring plunger and said second spring plunger.
6. The rectangular frame positioning component of claim 5, wherein said mounting block is provided with a threaded hole therethrough, and said first spring plunger and said second spring plunger are fixedly connected through said threaded hole in said mounting block.
7. A direct plate making apparatus, comprising:
an optical assembly, a scanning movement assembly, a beam member, a controller, and the rectangular frame positioning member of any one of claims 1 to 6; wherein the content of the first and second substances,
the scanning moving component is used for driving the optical component to move on a plane parallel to the exposure surface on the rectangular screen frame;
the optical assembly comprises a plurality of lasers;
the beam part comprises an upper beam and a lower beam, and the upper beam and/or the lower beam are/is provided with a clamp for clamping the rectangular net frame;
the first spring plunger and the second spring plunger are respectively arranged on the upper cross beam and the lower cross beam, and the at least one positioning block is arranged on the upper cross beam and/or the lower cross beam;
the controller is electrically connected with the optical assembly and the control switch of the clamp, the clamp is controlled to clamp the rectangular screen frame after the rectangular screen frame is fixed by the rectangular screen frame positioning part, and in the moving process of the optical assembly, a control signal for controlling the switch of the laser is generated according to the real-time position of each laser so as to selectively expose the pixel points on the photosensitive coating on the exposure surface.
8. The direct plate-making apparatus according to claim 7, wherein the scanning movement assembly comprises: the device comprises a transverse guide rail, a transverse moving table and an objective table;
the transverse moving platform is arranged on the transverse guide rail and can move along the transverse guide rail, and a longitudinal guide rail is arranged on the transverse moving platform;
the object stage is arranged on the longitudinal guide rail and can drive the optical assembly arranged on the object stage to move along the longitudinal guide rail.
9. The direct plate-making apparatus according to claim 7 or 8, wherein a slider nut and a locking screw are further installed on the positioning block, and a guide groove matched with the slider nut is provided on the upper beam and/or the lower beam so that the slider nut can slide along the guide groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222054477.0U CN217863259U (en) | 2022-08-05 | 2022-08-05 | Rectangular screen frame positioning component and direct platemaking equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222054477.0U CN217863259U (en) | 2022-08-05 | 2022-08-05 | Rectangular screen frame positioning component and direct platemaking equipment |
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| Publication Number | Publication Date |
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| CN217863259U true CN217863259U (en) | 2022-11-22 |
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| CN202222054477.0U Active CN217863259U (en) | 2022-08-05 | 2022-08-05 | Rectangular screen frame positioning component and direct platemaking equipment |
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