CN211280175U - Centering positioning mechanism - Google Patents
Centering positioning mechanism Download PDFInfo
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- CN211280175U CN211280175U CN201922181031.2U CN201922181031U CN211280175U CN 211280175 U CN211280175 U CN 211280175U CN 201922181031 U CN201922181031 U CN 201922181031U CN 211280175 U CN211280175 U CN 211280175U
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Abstract
The utility model discloses a positioning mechanism placed in middle includes: the device comprises a shell, a profiling positioning jig, a lifting carrying platform, an X-axis positioning adjusting module, a Y-axis positioning adjusting module and a lifting cylinder; the two ends of the lifting cylinder are respectively connected with the inner wall of the shell and the lifting platform deck, and the X-axis positioning adjusting module and the Y-axis positioning adjusting module are both arranged on the lifting platform deck; the X-axis positioning adjusting module comprises a plurality of pairs of positioning rods, an X-axis cylinder and a transmission unit, the X-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform; the Y-axis positioning adjusting module comprises a plurality of pairs of positioning rods, a Y-axis cylinder and a transmission unit, the Y-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform; the side of profile modeling positioning jig is provided with the spout of multichannel and locating lever adaptation. The utility model discloses a be provided with the X/Y axle location adjusting module of axial cylinder and treat the printing product location placed in the middle, greatly reduced overall structure's complexity is showing reduction production running cost.
Description
Technical Field
The utility model relates to a lithography apparatus technical field especially, relates to a positioning mechanism placed in middle.
Background
The pad printing machine is an indirect concave glue head printing equipment, is suitable for plastic cement, toys, glass, metal, ceramics, electronics, IC seal and the like, has become one of the main methods for printing and decorating the surfaces of various objects at present by the pad printing technology, and has the advantages of simple process and the like. The positioning device is one of the main devices in the pad printing machine and is used for controlling the position of the pad printing ink pattern on a printed product, so that the positioning device has high requirement on precision, otherwise, the printing pattern can be deviated, and the printing quality is seriously influenced. Most of the existing positioning devices of pad printing machines adopt a copying base to perform primary positioning and then perform accurate centering positioning in a mode of clamping four edges of a servo motor, but the positioning devices have the problems of complex equipment structure, higher acquisition cost and poorer economy.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a positioning mechanism placed in middle aims at solving above-mentioned problem.
In order to achieve the above object, the utility model provides a positioning mechanism placed in middle, include: the device comprises a shell, a profiling positioning jig, a lifting carrying platform, an X-axis positioning adjusting module, a Y-axis positioning adjusting module and a lifting cylinder; the profiling positioning jig is arranged on the shell, the profiling positioning jig, the lifting platform deck, the X-axis positioning adjusting module, the Y-axis positioning adjusting module and the lifting cylinder are all arranged in the shell, two ends of the lifting cylinder are respectively connected with the inner wall of the shell and the lifting platform deck, and the X-axis positioning adjusting module and the Y-axis positioning adjusting module are all arranged on the lifting platform deck;
the X-axis positioning adjusting module comprises a plurality of pairs of positioning rods, an X-axis cylinder and a transmission unit, the X-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform;
the Y-axis positioning adjusting module comprises a plurality of pairs of positioning rods, a Y-axis cylinder and a transmission unit, the Y-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform;
the side of profile modeling positioning jig be provided with the multichannel with the spout of locating lever adaptation.
Preferably, an elastic buffer unit is arranged between the X/Y axial cylinder and the transmission unit.
Preferably, the elastic buffer unit is a spring winding.
Preferably, the X/Y axis positioning and adjusting module further comprises a positioning stroke adjusting unit, and the positioning stroke adjusting unit is respectively connected with the elastic buffering unit and the housing.
Preferably, the positioning stroke adjusting unit comprises a micrometer adjusting handle.
Preferably, the top end of the positioning rod is provided with a spherical boss.
Preferably, the transmission unit includes a rack and pinion transmission structure.
Preferably, a profiling outer frame is further arranged at the top of the profiling positioning jig.
Preferably, the bottom of the profiling positioning jig is also provided with a plurality of negative pressure suction holes.
The utility model discloses among the technical scheme, positioning mechanism includes placed in the middle: the device comprises a shell, a profiling positioning jig, a lifting carrying platform, an X-axis positioning adjusting module, a Y-axis positioning adjusting module and a lifting cylinder; the profiling positioning jig is arranged on the shell, the profiling positioning jig, the lifting platform deck, the X-axis positioning adjusting module, the Y-axis positioning adjusting module and the lifting cylinder are arranged in the shell, two ends of the lifting cylinder are respectively connected with the inner wall of the shell and the lifting platform deck, and the X-axis positioning adjusting module and the Y-axis positioning adjusting module are arranged on the lifting platform deck; the X-axis positioning adjusting module comprises a plurality of pairs of positioning rods, an X-axis cylinder and a transmission unit, the X-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform; the Y-axis positioning adjusting module comprises a plurality of pairs of positioning rods, a Y-axis cylinder and a transmission unit, the Y-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform; the side of profile modeling positioning jig is provided with the spout of multichannel and locating lever adaptation. The utility model provides a positioning mechanism between two parties treats the printing product through the X/Y axle location adjusting module that is provided with axial cylinder and carries out location between two parties, replaces expensive servo control mechanism in the current structure, greatly reduced overall structure's complexity, also showing and reducing production, running cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of the centering positioning mechanism of the present invention;
FIG. 2 is a side view of the internal structure of FIG. 1;
fig. 3 is a schematic structural view of fig. 2 from another angle.
The reference numbers illustrate:
the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
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 in 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.
It should be noted that the descriptions in the present invention as referring to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.
Referring to fig. 1 to 3, in an embodiment of the present invention, the centering mechanism includes: the device comprises a shell 10, a profiling positioning jig 20, a lifting carrying platform 30, an X-axis positioning adjusting module 40, a Y-axis positioning adjusting module 50 and a lifting cylinder 60; the profiling positioning jig 20 is arranged on the shell 10, the profiling positioning jig 20, the lifting platform 30, the X-axis positioning adjusting module 40, the Y-axis positioning adjusting module 50 and the lifting cylinder 60 are all arranged in the shell 10, two ends of the lifting cylinder 60 are respectively connected with the inner wall of the shell 10 and the lifting platform 30, and the X-axis positioning adjusting module 40 and the Y-axis positioning adjusting module 50 are all arranged on the lifting platform 30; the X-axis positioning adjustment module 40 includes a plurality of pairs of positioning rods 70, an X-axis cylinder 41 and a transmission unit 80, the X-axis cylinder 41 is connected to the positioning rods 70 through the transmission unit 80, and the positioning rods 70 are perpendicular to the lifting platform 30; the Y-axis positioning adjustment module 50 includes a plurality of pairs of positioning rods 70, a Y-axis cylinder 51 and a transmission unit 80, the Y-axis cylinder 51 is connected to the positioning rods 70 through the transmission unit 80, and the positioning rods 70 are perpendicular to the lifting platform 30; the side edge of the profiling positioning jig 20 is provided with a plurality of sliding grooves 21 matched with the positioning rods 70.
In the present embodiment, the profiling positioning jig 20 in the centering mechanism is mainly used for carrying workpieces with similar shapes and primarily limiting the workpieces to be printed. The housing 10 has a substantially square box shape, the copying positioning jig 20 is fixed to the top of the housing 10 by bolts, and other components are accommodated in the housing 10. The positioning of the workpiece to be printed is accomplished by the X-axis positioning adjustment module 40 and the Y-axis positioning adjustment module 50. Specifically, the positioning of the workpiece is performed by clamping and fixing a plurality of pairs of positioning rods 70, for example: the horizontal direction in fig. 1 is the X-axis direction, and the vertical direction is the Y-axis direction, wherein the X-axis positioning adjustment module 40 has 1 pair of positioning rods 70 (shorter two sides) for clamping and positioning both ends of the workpiece, and the Y-axis positioning adjustment module 50 has 2 pairs of positioning rods 70 (longer two sides) for clamping and positioning both sides of the workpiece, and of course, the number of the positioning rods 70 in the X/Y-axis direction may be set according to actual situations, and is not limited herein. In addition, the X axis direction and the Y axis direction in the present embodiment are only for description, and are not specific limitations on the direction and position thereof.
The working operation of the centering mechanism provided by the present embodiment is substantially as follows:
1. a loading stage: a workpiece to be pad-printed is firstly placed in a cavity of the profiling positioning jig 20 through a manual or automatic manipulator, the lifting cylinder 60 supports the lifting carrying platform 30 to a preset height, and the X-axis positioning adjusting module 40 and the Y-axis positioning adjusting module 50 which are arranged on the lifting carrying platform 30 are lifted to the preset height along with the lifting, so that the positioning rod 70 of the X/Y-axis positioning adjusting module also extends out of the chute 21 of the profiling positioning jig 20 to be lifted to a position to be positioned;
2. and a positioning adjusting stage: the Y-axis cylinder 51 works, the transmission unit 80 drives four positioning rods 70 (e.g., two pairs of vertical positioning rods 70 in fig. 1) to clamp two sides of the workpiece to be pad-printed, and the X-axis cylinder 41 drives two positioning rods 70 (e.g., one pair of horizontal positioning rods 70 in fig. 1) to clamp two ends of the workpiece to be pad-printed through the transmission unit 80, so that centering positioning adjustment is realized, and positioning can be completed by one operation or multiple operations according to actual conditions;
3. an unloading stage: after the adjusting and positioning step is completed, the X-axis cylinder 41 and the Y-axis cylinder 51 respectively contract to the initial positions, then the lifting cylinder 60 descends, the lifting platform 30, the X-axis positioning and adjusting module 40 and the Y-axis positioning and adjusting module 50 integrally descend, and the workpiece to be pad printed starts to be printed.
As a preferable mode, a plurality of negative pressure suction holes 22 are further formed in the bottom of the profiling positioning jig 20, so that after the positioning operation of step 2 is completed, the external equipment can suck air outwards through the plurality of negative pressure suction holes 22 to form negative pressure to adsorb the workpiece to be pad-printed at the position to be pad-printed.
As a preferable mode, an elastic buffer unit 81 is arranged between the X/Y axial cylinder and the transmission unit 80, so that the movement of the positioning rod 70 driven by the X/Y axial cylinder is smoother, the positioning and clamping contact between the positioning rod 70 and the workpiece to be pad-printed is softer, and the damage to the surface of the workpiece to be pad-printed is avoided. The elastic buffer unit 81 is, for example, a spring winding, and is easy to manufacture and purchase in a large scale, and has a simple structure and a low cost.
Specifically, in order to set the maximum adjustment stroke of the positioning rod 70 in the X/Y axis direction, the X/Y axis positioning adjustment module further includes a positioning stroke adjustment unit 90, and the positioning stroke adjustment unit 90 is respectively connected to the elastic buffer unit 81 and the housing 10.
Preferably, the positioning stroke adjusting unit 90 includes a micrometer adjusting handle 91, so that the adjusting range is more precise.
Preferably, the spherical boss 71 is disposed at the top end of the positioning rod 70, so that abrasion of the positioning rod 70 to the workpiece during positioning operation can be effectively avoided, and friction between the positioning rod 70 and the workpiece can be reduced, so that the positioning operation is smoother.
Preferably, the transmission unit 80 includes a rack-and-pinion transmission structure (not shown), which has the advantages of high transmission precision, reliable operation, and the like.
Preferably, a profiling outer frame 23 is further provided on the top of the profiling positioning fixture 20. The offset head of bat printing machine can produce deformation when the bat printing, and the deformation degree can change along with the tool base shape of contact, adds the enlarged profile modeling frame 23 of an equidistance on profile modeling positioning jig 20 again, can the effective control and glue first deformation volume to the deformation of the overhead bat printing pattern of management and control realizes the accuracy of bat printing pattern size and thickness control, and then produces better outward appearance effect.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.
Claims (9)
1. A centering mechanism, comprising: the device comprises a shell, a profiling positioning jig, a lifting carrying platform, an X-axis positioning adjusting module, a Y-axis positioning adjusting module and a lifting cylinder; the profiling positioning jig is arranged on the shell, the profiling positioning jig, the lifting platform deck, the X-axis positioning adjusting module, the Y-axis positioning adjusting module and the lifting cylinder are all arranged in the shell, two ends of the lifting cylinder are respectively connected with the inner wall of the shell and the lifting platform deck, and the X-axis positioning adjusting module and the Y-axis positioning adjusting module are all arranged on the lifting platform deck;
the X-axis positioning adjusting module comprises a plurality of pairs of positioning rods, an X-axis cylinder and a transmission unit, the X-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform;
the Y-axis positioning adjusting module comprises a plurality of pairs of positioning rods, a Y-axis cylinder and a transmission unit, the Y-axis cylinder is connected with the positioning rods through the transmission unit, and the positioning rods are perpendicular to the lifting carrying platform;
the side of profile modeling positioning jig be provided with the multichannel with the spout of locating lever adaptation.
2. The centering mechanism as claimed in claim 1, wherein an elastic buffer unit is provided between said X/Y axial cylinder and said transmission unit.
3. The centering mechanism as recited in claim 2, wherein said resilient cushioning element is a spring winding.
4. The centering mechanism as claimed in claim 2, wherein said X/Y axis positioning adjustment module further comprises a positioning stroke adjustment unit, said positioning stroke adjustment unit being connected to said elastic buffer unit and said housing, respectively.
5. The centering positioning mechanism according to claim 4, wherein the positioning stroke adjusting unit comprises a micrometer adjustment handle.
6. The centering mechanism as claimed in any one of claims 1 to 5, wherein the top ends of said positioning rods are provided with spherical bosses.
7. The centering mechanism as claimed in any one of claims 1-5, wherein said transmission unit comprises a rack and pinion transmission.
8. A centering and positioning mechanism as recited in any of claims 1-5, characterized in that a profiling outer frame is further provided on the top of said profiling positioning fixture.
9. The centering mechanism as claimed in any one of claims 1 to 5, wherein a plurality of negative pressure suction holes are further provided at the bottom of said profiling positioning jig.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922181031.2U CN211280175U (en) | 2019-12-09 | 2019-12-09 | Centering positioning mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922181031.2U CN211280175U (en) | 2019-12-09 | 2019-12-09 | Centering positioning mechanism |
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CN211280175U true CN211280175U (en) | 2020-08-18 |
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CN201922181031.2U Active CN211280175U (en) | 2019-12-09 | 2019-12-09 | Centering positioning mechanism |
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