Multi-dimensional display printing positioning device

Abstract

The utility model discloses a multi-dimensional display printing positioning device which comprises a working platform, a Z-direction moving module arranged on one side of the working platform and used for positioning a printing screen, and a jig fixing plate arranged on the working platform through a horizontal moving module and used for positioning a product jig. The Z-direction moving module comprises a Z-direction digital display unit used for displaying the position height of the fixed end of the printing screen. The horizontal moving module comprises an X-direction moving unit arranged on the working platform and a Y-direction moving unit arranged on the X-direction moving unit through a moving plate, and the jig fixing plate is arranged on the Y-direction moving unit; an X-direction digital display unit for displaying the positive and negative displacement of the moving plate along the X axis is arranged on the Y positive side of the X-direction moving unit; a Y-direction digital display unit used for displaying the positive and negative displacement of the jig fixing plate along the Y axis is arranged on the X positive side of the Y-direction moving unit. According to the utility model, through integration of the X-direction moving module, the Y-direction moving module, the Z-direction moving module and the digital display unit, rapid and accurate jig position calibration is realized, so that the printing precision and the printing consistency are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high precision silk screen printing technical field, concretely relates to a multi -dimensional digital printing positioning device. BACKGROUND

[0002] In the prior art silk screen printing technology, for low-precision products (such as ordinary packaging printing, low-end identification processing), usually rely on manual operation to complete printing positioning. The operator covers the film (positioning negative) on the surface of the product to be printed, and adjusts the X / Y axis coordinates of the printing platform jig manually to complete the position calibration by visually comparing the relative position of the characteristic mark point and the product edge. In addition, the position of the silk screen is also manually adjusted by the operator. This mode has the following technical defects: ① manual comparison is limited by visual error and operation experience, and cannot meet the demand of high-precision printing products; ② the adjustment process is time-consuming, and the consistency of repeated positioning is poor; at the same time, the different batches of products have large printing thickness fluctuation due to the non-uniform height position of the silk screen. SUMMARY

[0003] In order to overcome the above-mentioned defects, the utility model provides a multi-dimensional digital printing positioning device, which realizes rapid and accurate jig position calibration to improve the printing precision and printing consistency.

[0004] The utility model discloses a multi-dimensional digital printing positioning device, including work platform, be located in the Z direction movement module for positioning printing screen board one side of the work platform, and the jig fixed plate for positioning product jig through horizontal movement module is located on the work platform, the Z direction movement module includes the Z direction digital display unit for showing the fixed end position height of printing screen board;

[0005] The horizontal movement module includes X direction movement unit arranged on the work platform, and Y direction movement unit arranged on the X direction movement unit through the movement plate, and the jig fixed plate is arranged on the Y direction movement unit; wherein,

[0006] The Y positive side of the X direction movement unit is provided with the X direction digital display unit for showing the positive and negative displacement of the movement plate along the X axis; The X positive side of the Y direction movement unit is provided with the Y direction digital display unit for showing the positive and negative displacement of the jig fixed plate along the Y axis.

[0007] As a further improvement of the utility model, the X direction movement unit includes:

[0008] X direction guide rail, two are arranged on the work platform along the Y axis;

[0009] X direction sliding table, two X direction sliding tables are slidably matched with two X direction guide rails one by one, and the top of the X direction sliding table is connected with the moving plate;

[0010] X direction screw rod assembly, which is arranged on the working platform through an X direction bearing positioning seat and is centrally arranged between the two X direction guide rails, comprises an X direction screw rod nut and an X direction screw rod, the X direction screw rod nut is fixedly arranged at the bottom of the moving plate, the axis of the internal threaded hole of the X direction screw rod nut is parallel to the X direction guide rail, and the X direction screw rod penetrates through the X direction screw rod nut to form a screw pair and is driven to rotate through an X direction hand wheel.

[0011] As a further improvement of the utility model, the X direction digital display unit comprises an X direction reading head, an X direction grating ruler, X direction limit pieces and a digital display table electrically connected with the X direction reading head, the X direction reading head is fixedly arranged on the working platform through a first positioning support and is located at the Y positive direction side of the moving plate, the X direction grating ruler penetrates through the X direction reading head along the X direction and is slidably matched with the X direction reading head;

[0012] In addition, the two ends of the X direction grating ruler are respectively provided with the X direction limit pieces, and the two X direction limit pieces are fixedly connected with the moving plate.

[0013] As a further improvement of the utility model, the Y direction moving unit comprises:

[0014] Y direction guide rails, two Y direction guide rails are arranged on the moving plate and are spaced apart along the X axis;

[0015] Y direction sliding table, two Y direction sliding tables are slidably matched with two Y direction guide rails one by one, and the top of the Y direction sliding table is connected with the jig fixing plate;

[0016] Y direction screw rod assembly, which is arranged on the moving plate through a Y direction bearing positioning seat and is centrally arranged between the two Y direction guide rails, comprises a Y direction screw rod nut and a Y direction screw rod, the Y direction screw rod nut is fixedly arranged at the bottom of the jig fixing plate, the axis of the internal threaded hole of the Y direction screw rod nut is parallel to the Y direction guide rail, and the Y direction screw rod penetrates through the Y direction screw rod nut to form a screw pair and is driven to rotate through a Y direction hand wheel.

[0017] As a further improvement of the utility model, the Y direction digital display unit comprises a Y direction reading head, a Y direction grating ruler, Y direction limit pieces and a digital display table electrically connected with the Y direction reading head, the Y direction reading head is fixedly arranged on the moving plate through a second positioning support and is located at the X positive direction side of the jig fixing plate, the Y direction grating ruler penetrates through the Y direction reading head along the Y direction and is slidably matched with the Y direction reading head;

[0018] In addition, the two ends of the Y direction grating ruler are respectively provided with the Y direction limit pieces, and the two Y direction limit pieces are fixedly connected with the jig fixing plate.

[0019] As a further improvement of the utility model, the Z-direction moving module comprises:

[0020] The door type support is arranged on the working platform and comprises two Z-direction shafts arranged in parallel along the X-direction and a top positioning plate;

[0021] The screen positioning assembly is used for carrying a printing screen and is slidably fitted on the Z-direction shaft through the linear bearing fixing block;

[0022] The Z-direction screw rod assembly is centrally arranged between the two Z-direction shafts along the Z-direction and comprises a Z-direction screw rod nut arranged on the linear bearing fixing block and a Z-direction screw rod vertically penetrating the Z-direction screw rod nut and forming a screw pair with the Z-direction screw rod nut, the upper and lower ends of the Z-direction screw rod are rotatably connected to the top positioning plate and the working platform respectively through Z-direction bearings, and the Z-direction screw rod is driven to rotate through a Z-direction hand wheel.

[0023] As a further improvement of the utility model, the Z-direction digital display unit comprises a Z-direction reading head arranged on one end of the linear bearing fixing block, a Z-direction grating ruler vertically penetrating the Z-direction reading head and slidably fitted with the Z-direction reading head, and a digital display meter electrically connected with the Z-direction reading head; one end of the Z-direction grating ruler is fixedly connected to the top positioning plate, and the other end is fixedly connected to the bottom of the Z-direction shaft through a Z-direction limiting piece.

[0024] As a further improvement of the utility model, the screen positioning assembly comprises:

[0025] The two rotating bases are fixedly arranged on the top of the linear bearing fixing block and are located on the two sides of the Z-direction screw rod nut respectively;

[0026] The two weight shafts are rotatably connected to the corresponding rotating bases through rotating shafts, and the rotating axes are parallel to the Y-axis, and the X-positive end of each weight shaft is provided with a weight block;

[0027] The screen fixing clamping groove is arranged on the X-negative end of the two weight shafts along the Y-direction. As a further improvement of the utility model, the Z-direction moving module further comprises a Z-axis locking assembly, the Z-axis locking assembly comprises a locking block arranged at the bottom of the linear bearing fixing block and sleeved on one of the Z-direction shafts, and a handle arranged on the locking block and used for tightening or loosening the locking block.

[0028] As a further improvement of the utility model, the working platform is provided with a digital display meter fixing plate on one side of the Z-direction moving module.

[0029] The utility model has the advantages that the X, Y and Z three-direction moving modules and the digital display unit are integrated, the jig position is quickly and accurately calibrated, and the printing precision and printing consistency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0030] Figure 1 is a structural schematic diagram of the utility model;

[0031] Figure 2 is a structural schematic diagram of the utility model Figure 1 from another perspective;

[0032] Figure 3 is a structural schematic diagram of the utility model Figure 1 from one perspective;

[0033] Figure 4 is a structural schematic diagram of the utility model Figure 1 from another perspective.

[0034] The following description is made in conjunction with the accompanying drawings:

[0035] 1, work platform;2, Z direction movement module;21, Z direction digital display unit;211, Z direction reading head;212, Z direction grating ruler;213, Z direction limiting piece;22, door type support;221, Z direction shaft;222, top positioning plate;23, net plate positioning assembly;231, linear bearing fixed block;232, rotary base;233, heavy weight shaft;234, heavy weight block;235, net plate fixed clamping groove;24, Z direction screw rod assembly;241, Z direction screw rod nut;242, Z direction screw rod;243, Z direction bearing;244, Z direction hand wheel;25, Z axle locking assembly;251, locking block;252, handle;3, jig fixed plate;4, X direction movement unit;41, movement plate;42, X direction digital display unit;421, X direction reading head;422, X direction grating ruler;423, X direction limiting piece;424, first positioning support;43, X direction guide rail;44, X direction sliding table;45, X direction bearing positioning seat;46, X direction screw rod nut;47, X direction screw rod;48, X direction hand wheel;5, Y direction movement unit;51, Y direction digital display unit;511, Y direction reading head;512, Y direction grating ruler;513, Y direction limiting piece;514, second positioning support;52, Y direction guide rail;53, Y direction sliding table;54, Y direction bearing positioning seat;55, Y direction screw rod nut;56, Y direction screw rod;57, Y direction hand wheel;6, digital display meter fixed plate. DETAILED DESCRIPTION

[0036] The following description is made in conjunction with the accompanying drawings, a preferred embodiment of the utility model is described in detail.

[0037] Reference Figures 1 to 4The utility model provides a kind of multi-dimensional digital printing positioning device, by integrating X, Y, Z three-way movement module and digital unit, realize the three-dimensional accurate positioning and dynamic rectification of printing screen board and product fixture, significantly improve printing precision and operation efficiency, while guarantee the consistency of different batches of product printing.Printing positioning platform includes work platform 1, Z direction movement module 2 for positioning printing screen board in one side of work platform 1, and fixture fixed plate 3 for positioning product fixture on work platform 1 by horizontal movement module.The work platform 1 is installed matrix, and its side is equipped with digital display table fixed plate 6, for the centralized arrangement of each direction and digital display table (not shown in drawing) electrically connected with reading head, so as to facilitate operator to adjust the displacement of each direction according to the specific number indication on digital display table. Figure 1 As reference, X positive side is towards the operation position where personnel stand, and operator first adjusts the position of fixture fixed plate 3 according to film roughly to carry out initial printing to product, then transfers printing product to two-dimensional coordinate measuring instrument to carry out size measurement, and calculates the deviation amount of actual printing position and drawing requirement size, and accurately adjusts the displacement of fixture fixed plate 3 of the embodiment according to deviation amount, to ensure printing precision.

[0038] Among them, Z direction movement module 2 is fixed in one side of work platform 1 by door type support 22, drives printing screen board to realize the adjustment of vertical direction position, and the position height of printing screen board is adjusted easily by the value shown by Z direction digital unit 21, so that printing line thickness or definition can be adjusted according to requirement.Horizontal movement module includes X direction movement unit 4 and Y direction movement unit 5, and drives fixture fixed plate 3 to realize position adjustment on plane.

[0039] Further, door type support 22 is composed of two Z direction shafts 221 and top positioning plate 222, provides positioning and guiding in vertical direction;Net plate positioning assembly 23 is slidably fitted in Z direction shaft 221 by linear bearing fixed block 231, and net plate positioning assembly 23 includes rotating base 232, heavy shaft 233 and heavy block 234 and net plate fixed clamping groove 235 provided at both ends of heavy shaft 233, i.e.

[0040] The middle position of the two Z-axes 221 is provided with a Z-axis screw rod assembly 24, which includes a Z-axis screw rod 242 penetrating a Z-axis screw rod nut 241 and being driven by a Z-axis hand wheel 244 to drive the screen plate to ascend and descend, so as to realize the adjustment of the position of the screen plate positioning assembly 23 in the Z-axis. In order to ensure that the screen plate positioning assembly 23 is stably positioned at the set height of the door-shaped support 22, a Z-axis locking assembly 25 is arranged at the bottom of the linear bearing fixing block 231, which includes a locking block 251 sleeved on the Z-axis 221. The locking block 251 is in a U-shaped structure, and a screw rod is threadedly connected to the opening of the locking block 251. The screw rod is provided with a handle 252, which is used to realize the opening and closing of the opening of the locking block 251, so as to realize the positioning and locking of the screen plate in the Z-axis.

[0041] The Z-axis digital display unit 21 includes a Z-axis reading head 211 fixedly arranged on the linear bearing fixing block 231 and used to read the displacement data of the Z-axis grating ruler 212. One end of the Z-axis grating ruler 212 is connected to the top positioning plate 222, and the other end is fixed to the bottom of the Z-axis 221 through a Z-axis limiting piece 213, so as to form a measurement reference. The digital display table displays the height of the screen plate in real time. That is, the Z-axis grating ruler 212 is fixed, and the Z-axis reading head 211 changes with the position of the linear bearing fixing block 231, so that the read value changes. When the printed line is relatively thick, the screen plate is moved upward; when the printed line is relatively thin, the screen plate is moved downward.

[0042] Further, the X-axis moving unit 4 includes an X-axis guide rail 43, an X-axis sliding table 44, an X-axis screw rod assembly, and an X-axis digital display unit 42. The X-axis guide rail 43 is a double guide rail and is arranged at intervals along the Y-axis to provide X-axis guidance. The X-axis sliding table 44 is in sliding cooperation with the X-axis guide rail 43 and is connected to the moving plate 41 at the top, so as to ensure the stable movement of the moving plate 41 and stably support the moving plate 41. The X-axis screw rod 47 of the X-axis screw rod assembly penetrates the X-axis screw rod nut 46, and the X-axis hand wheel 48 is used to drive the X-axis screw rod 47 to rotate, so as to realize the displacement of the moving plate 41. The X-axis reading head 421 of the X-axis digital display unit 42 is fixedly arranged on the working platform 1 through the first positioning support 424 and cooperates with the X-axis grating ruler 422 and the X-axis limiting piece 423 to display the displacement of the moving plate 41 in the X-axis in real time.

[0043] The Y-axis moving unit 5 includes a Y-axis guide rail 52, a Y-axis sliding table 53, a Y-axis screw rod assembly, and a Y-axis digital display unit 51. The Y-axis guide rail 52 is a double guide rail and is arranged at intervals along the X-axis on the moving plate 41 to provide Y-axis guidance. The Y-axis sliding table 53 is in sliding cooperation with the Y-axis guide rail 52 and is connected to the jig fixing plate 3 at the top, so as to ensure the stable movement of the jig fixing plate 3 and stably support the jig fixing plate 3 to ensure that the product is stably supported during printing. The Y-axis screw rod 56 of the Y-axis screw rod assembly penetrates the Y-axis screw rod nut 55, and the Y-axis hand wheel 57 is used to drive the jig fixing plate 3 to displace. The Y-axis reading head 511 of the Y-axis digital display unit 51 is fixedly arranged on the moving plate 41 through the second positioning support 514 and cooperates with the Y-axis grating ruler 512 and the Y-axis limiting piece 513 to display the displacement in the Y-axis in real time.

[0044] It should be noted that the working principle of the Z-direction digital display unit 21, the X-direction digital display unit 42 and the Y-direction digital display unit 51 is the same as that of the existing grating ruler sensor, which will not be described here.

[0045] Specifically, the operation process of the printing positioning device of the embodiment is as follows: first, install the printing screen plate on the screen plate fixing slot 235, install the product jig on the jig fixing plate 3, and after the sample size measurement is completed, according to the measurement deviation value, the following operation is performed:

[0046] X-direction positioning: rotating the X-direction hand wheel 48 drives the moving plate 41 to move along the X-direction, and the position is quickly calibrated through the X-direction digital display unit 42;

[0047] Y-direction positioning: rotating the Y-direction hand wheel 57 drives the jig fixing plate 3 to move along the Y-direction, and the position is quickly calibrated through the Y-direction digital display unit 51;

[0048] Z-direction positioning according to the printing line requirement: rotating the Z-direction hand wheel 244 drives the screen plate to rise and fall, and the height data is read through the Z-direction digital display unit 21 until the target value is reached, and then the handle 252 is locked.

[0049] In addition, the specific position value after adjustment can be recorded by the digital display unit for use next time printing, which not only ensures the quick adjustment, but also ensures the consistency of the printing quality of different batches of products.

[0050] In summary, the multi-dimensional digital display printing positioning device provided by the utility model realizes quick and accurate jig position calibration by integrating the X, Y and Z three-direction moving modules and the digital display unit, so as to improve the printing precision and printing consistency.

[0051] In the above description, many specific details are described in order to fully understand the utility model. However, the above description is only a preferred embodiment of the utility model, and the utility model can be implemented in many other ways different from the description, so the utility model is not limited by the above disclosed specific implementation. Meanwhile, any person skilled in the art can make many possible changes and modifications to the utility model technical solution or modify it into equivalent embodiments with equivalent changes without departing from the scope of the utility model technical solution. Any simple modification, equivalent change and modification made to the above embodiment according to the technical essence of the utility model, all still belong to the protection scope of the utility model technical solution.

Claims

1. A multi-dimensional digital display printing positioning device, comprising a working platform (1), a Z-axis moving module (2) disposed on one side of the working platform (1) for positioning a printing screen, and a fixture fixing plate (3) disposed on the working platform (1) via a horizontal moving module for positioning a product fixture, characterized in that: The Z-axis moving module (2) includes a Z-axis digital display unit (21) for displaying the height of the fixed end position of the printing screen. The horizontal movement module includes an X-axis movement unit (4) mounted on the work platform (1) and a Y-axis movement unit (5) mounted on the X-axis movement unit (4) via a moving plate (41), wherein the fixture fixing plate (3) is mounted on the Y-axis movement unit (5); The X-axis moving unit (4) is provided with an X-axis digital display unit (42) on the positive Y-axis side for displaying the positive and negative displacement of the moving plate (41) along the X-axis; the Y-axis moving unit (5) is provided with a Y-axis digital display unit (51) on the positive X-axis side for displaying the positive and negative displacement of the fixture fixing plate (3) along the Y-axis.

2. The multi-dimensional digital display printing positioning device according to claim 1, characterized in that, The X-axis moving unit (4) includes: Two X-guide rails (43) are provided, and the two X-guide rails (43) are arranged at intervals along the Y-axis on the working platform (1); X-axis slide (44), two X-axis slides (44) and two X-axis guide rails (43) slide in a one-to-one correspondence, and their tops are connected to the moving plate (41); The X-axis lead screw assembly is located on the working platform (1) via an X-axis bearing positioning seat (45) and is centrally positioned between the two X-axis guide rails (43). It includes an X-axis lead screw nut (46) and an X-axis lead screw (47). The X-axis lead screw nut (46) is fixed to the bottom of the moving plate (41), and the axis of its internal thread hole is parallel to the X-axis guide rail (43). The X-axis lead screw (47) passes through the X-axis lead screw nut (46) to form a helical pair and is driven to rotate by an X-axis handwheel (48).

3. The multi-dimensional digital display printing positioning device according to claim 2, characterized in that: The X-axis digital display unit (42) includes an X-axis reading head (421), an X-axis grating ruler (422), an X-axis limiting member (423), and a digital display that is electrically connected to the X-axis reading head (421). The X-axis reading head (421) is fixed to the working platform (1) by a first positioning bracket (424) and is located on the positive Y-axis side of the moving plate (41). The X-axis grating ruler (422) passes through the X-axis reading head (421) along the X-axis and slides with it. In addition, the X-axis grating ruler (422) is provided with X-axis limiting members (423) at both ends, and both X-axis limiting members (423) are fixedly connected to the moving plate (41).

4. The multi-dimensional digital display printing positioning device according to claim 3, characterized in that, The Y-axis moving unit (5) includes: Two Y-guide rails (52) are provided, and the two Y-guide rails (52) are arranged at intervals along the X-axis on the moving plate (41); Y-axis slide (53), the two Y-axis slides (53) and the two Y-axis guide rails (52) are slidably connected in a one-to-one correspondence, and their tops are connected to the fixture fixing plate (3); The Y-axis lead screw assembly is located on the movable plate (41) via a Y-axis bearing positioning seat (54) and is centrally positioned between the two Y-axis guide rails (52). It includes a Y-axis lead screw nut (55) and a Y-axis lead screw (56). The Y-axis lead screw nut (55) is fixed to the bottom of the fixture fixing plate (3), and the axis of its internal thread hole is parallel to the Y-axis guide rail (52). The Y-axis lead screw (56) passes through the Y-axis lead screw nut (55) to form a helical pair and is driven to rotate by the Y-axis handwheel (57).

5. The multi-dimensional digital display printing positioning device according to claim 4, characterized in that: The Y-axis digital display unit (51) includes a Y-axis reading head (511), a Y-axis grating ruler (512), a Y-axis limiting member (513), and a digital display that is electrically connected to the Y-axis reading head (511). The Y-axis reading head (511) is fixed to the moving plate (41) by a second positioning bracket (514) and is located on the X-direction side of the fixture fixing plate (3). The Y-axis grating ruler (512) passes through the Y-axis reading head (511) along the Y-direction and slides with it. In addition, the Y-direction grating ruler (512) is provided with Y-direction limiting members (513) at both ends, and both Y-direction limiting members (513) are fixedly connected to the fixture fixing plate (3).

6. The multi-dimensional digital display printing positioning device according to claim 5, characterized in that, The Z-axis movement module (2) includes: A portal frame (22) is provided on the working platform (1), including two Z-axis (221) arranged parallel to each other along the X direction and a top positioning plate (222); A screen positioning assembly (23) is used to mount a printing screen and is slidably fitted to the Z-axis (221) via a linear bearing fixing block (231); The Z-axis lead screw assembly (24) is centrally located between the two Z-axis shafts (221) along the Z-axis. It includes a Z-axis lead screw nut (241) on the linear bearing fixing block (231) and a Z-axis lead screw (242) that vertically passes through the Z-axis lead screw nut (241) and forms a helical pair with it. The upper and lower ends of the Z-axis lead screw (242) are rotatably connected to the top positioning plate (222) and the working platform (1) respectively through Z-axis bearings (243), and are driven to rotate by Z-axis handwheel (244).

7. The multi-dimensional digital display printing positioning device according to claim 6, characterized in that: The Z-axis digital display unit (21) includes a Z-axis reading head (211) disposed on one end of the linear bearing fixing block (231), a Z-axis grating ruler (212) that vertically penetrates the Z-axis reading head (211) and slides with it, and a digital display that is electrically connected to the Z-axis reading head (211); one end of the Z-axis grating ruler (212) is fixedly connected to the top positioning plate (222), and the other end is fixedly connected to the bottom of the Z-axis shaft (221) through a Z-axis limiting member (213).

8. The multi-dimensional digital display printing positioning device according to claim 7, characterized in that, The mesh positioning component (23) includes: Two rotating bases (232) are provided. The two rotating bases (232) are fixed on the top of the linear bearing fixing block (231) and are respectively located on both sides of the Z-direction lead screw nut (241). Two load-bearing shafts (233) are provided. Each load-bearing shaft (233) is rotatably connected to the corresponding rotating base (232) through a rotating shaft. Its rotation axis is parallel to the Y-axis. At the same time, a load-bearing block (234) is provided at the positive X-axis end of each load-bearing shaft (233). The mesh plate fixing slot (235) is provided along the Y direction at the negative X end of the two load shafts (233) and is located near the rotating base (232).

9. The multi-dimensional digital display printing positioning device according to claim 8, characterized in that: The Z-axis moving module (2) further includes a Z-axis locking assembly (25), which includes a locking block (251) arranged at the bottom of the linear bearing fixing block (231) and sleeved on one of the Z-axis axes (221), and a handle (252) provided on the locking block (251) for tightening or loosening the locking block (251).

10. The multi-dimensional digital display printing positioning device according to claim 9, characterized in that: The working platform (1) is provided with a digital display fixing plate (6) on one side of the Z-axis moving module (2).

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