CN217835054U - Screen printer printing mechanism convenient to adjust - Google Patents

Abstract

The utility model discloses a silk screen printing machine printing mechanism convenient to adjust establishes on the mount pad of silk screen printing machine, be equipped with on the mount pad along X to the first drive arrangement and the second drive arrangement of range, along Z to the first slide of extension, the second slide, establish first slide on the first slide, articulated first locating component on the first slide, establish the printer head on the first locating component, establish the second slide on the second slide, it has second locating component to articulate on the second slide, establish the scraper blade on the second locating component. The utility model discloses a set up first locating component and second locating component, can realize deflecting the angle of print head and scraper blade wantonly in the certain limit, and the angle of deflection is visual controllable, through set up Y to the third slide on the locating plate, can conveniently adjust the Y of print head and scraper blade to the coordinate, the simple operation.

Description

Screen printer printing mechanism convenient to adjust

Technical Field

The utility model relates to a screen printing machine technical field, in particular to screen printing machine printing mechanism convenient to adjust.

Background

The silk screen printing machine is equipment for printing ink on the surface of a product, during work, the product is attached to the lower end of the screen plate, a printing head dipped with the ink is brushed from the screen plate, and the ink penetrates through the screen plate and leaks to the product, so that printing work is completed. When plane printing is carried out, a printing head is generally in a plane structure, but in the operation process, due to various reasons such as product positioning or clamping, the printing plane of a product is sometimes in an inclined state, so that a screen plate cannot be completely attached to the product, and the phenomenon of halation or pasting occurs after printing. In production, the problem is improved by mostly adopting a mode of adjusting the angle of the screen and the tension of the screen, but the conditions of double images or deformation are easy to occur after printing, so that the fine adjustment of the structure of the screen on the net is needed. The operation is complicated, and the debugging is needed for a plurality of times, thereby wasting time and labor.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the above-mentioned prior art, the utility model provides a silk screen printing machine printing mechanism convenient to adjust can realize the angle of the printer head of deflecting wantonly and scraper blade in certain extent, and the angle of deflection is visual controllable to can conveniently adjust the Y of printer head and scraper blade to the coordinate, the simple operation.

In order to solve the technical problem, the utility model discloses a technical scheme as follows:

a printing mechanism of a screen printing machine convenient to adjust is arranged on an installation base of the screen printing machine, the installation base can move along the X direction relative to the screen printing machine, a first driving device and a second driving device which are arranged along the X direction, a first slide way and a second slide way which extend along the Z direction are arranged on the installation base, a first slide plate is arranged on the first slide way, the first slide plate is in transmission connection with the first driving device and can slide on the first slide way under the driving of the first slide plate, a first positioning assembly is hinged to the bottom end part of the first slide plate in the Z direction, a printing head is detachably and fixedly arranged on the first positioning assembly, and the printing head can rotate relative to the first slide plate under the driving of the first positioning assembly; the second slide is arranged on the second slide, the second slide is in transmission connection with the second driving device and can slide on the second slide under the driving action, a second positioning assembly is hinged to the bottom end portion of the Z direction of the second slide, a scraping plate is detachably and fixedly arranged on the second positioning assembly, and the scraping plate can be driven by the second positioning assembly to rotate relative to the second slide.

As a further elaboration of the above technical solution:

in the above technical solution, the first positioning assembly and the second positioning assembly each include an inner plate and an outer plate that are sleeved and detachably and fixedly connected, the inner plate is of an i-shaped structure, and both ends of the inner plate extend to the outer side of the outer plate; the middle part of the inner plate is provided with a connecting piece, the connecting piece penetrates through the outer plate and extends to the outer side of the outer plate, and the connecting piece is provided with a rotating shaft; a positioning plate is arranged below the outer plate, fasteners are erected on the upper portion of the outer plate and on two sides of the connecting piece, and each fastener can press the positioning plate to the bottom of the outer plate; the lower end part of the positioning plate is detachably and fixedly provided with the printing head or the scraper.

In the above technical solution, each of the connecting members includes two adjusting plates vertically disposed on the outer wall of the inner plate and detachably and fixedly connected to the inner plate, and the rotating shaft is erected between the two adjusting plates; each rotating shaft is detachably and fixedly connected with the first sliding plate or the second sliding plate, and a dial is detachably and fixedly arranged at one end of each rotating shaft.

In the technical scheme, each adjusting plate is provided with a through hole matched with the rotating shaft, an adjusting groove is arranged above each through hole, one end of the side of each adjusting groove is communicated with the through hole, and the other end of the side of each adjusting groove extends to the side wall of the adjusting plate; the adjusting plate is provided with positioning holes matched with the locking pieces on two sides of the adjusting groove.

In the above technical scheme, every the fastener all includes the splint of a shape of falling V, all be equipped with on two relative inner walls of splint with the first card of locating plate adaptation is protruding, the top spiro union of splint has a bolt.

In the above technical solution, the upper end of the positioning plate is provided with a third slide way adapted to the outer plate and extending along the Y direction; and second clamping protrusions matched with the first clamping protrusions are arranged on the two opposite side walls of the positioning plate.

In the technical scheme, the mounting base is in transmission connection with a transmission assembly of a screen printing machine, the transmission assembly comprises a fourth driving device arranged on a frame of the screen printing machine and more than two fourth slideways extending along the Z direction, a plurality of fourth slideways are provided with fourth supporting plates, and the fourth supporting plates are in transmission connection with the fourth driving device through the fourth driving device and can slide on the fourth slideways under the driving of the fourth supporting plates; the fourth supporting plate is provided with a fifth driving device and more than two fifth slideways extending along the X direction, the mounting seats are erected on the fifth slideways, and the mounting seats are in transmission connection with the fifth driving device through fifth transmission devices and can slide on the fifth slideways under the driving of the fifth transmission devices; the fifth slideway is detachably and fixedly provided with two support plates extending along the Y direction, a sixth supporting plate is arranged between the two support plates and arranged below the mounting seat, and ink boxes and screen plates are arranged on the sixth supporting plate along the X direction.

In the above technical solution, the first driving device and the second driving device are both cylinders, and the fourth driving device and the fifth driving device are both servo motors; the fourth transmission device is a lead screw sliding block transmission pair; the fifth transmission device is a gear synchronous belt transmission pair, and a synchronous rack meshed with the inner teeth of the synchronous belt is arranged on the mounting seat.

Compared with the prior art, the beneficial effects of the utility model reside in that: by arranging the first positioning assembly hinged with the first sliding plate and the second positioning assembly hinged with the second sliding plate, the angle of the printing head and the scraper can be deflected at will within a certain range, so that the printing requirements on the plane and the inclined plane of a product are met, the printing quality is ensured, and the deflection angle can be visible and controllable; the Y-direction coordinate of the printing head and the scraper can be conveniently adjusted by arranging a Y-direction third slide way on the positioning plate; through adopting the screw rod slider transmission pair and the vice complex drive mechanism of gear synchronous belt drive, can ensure that the mount pad drives print head and scraper blade at Z to and X reciprocating motion steadily, the simple operation.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic structural diagram of a first positioning assembly and a second positioning assembly in the present embodiment;

FIG. 3 is an exploded view of the outer panel and the inner panel in the present embodiment;

FIG. 4 is a schematic view showing a structure of the regulating plate of the present embodiment;

FIG. 5 is a schematic view of the structure of the fastener of this embodiment;

FIG. 6 is a schematic view of a positioning plate according to the present embodiment;

fig. 7 is a schematic structural diagram of the transmission assembly in the present embodiment.

In the figure: 1. a mounting seat; 101. a synchronous rack; 2. a first driving device; 3. a second slideway; 4. a first slide plate; 5. a first positioning assembly; 6. a print head; 7. a second driving device; 8. a second slideway; 9. a second slide plate; 10. a second positioning assembly; 11. a squeegee; 12. an inner plate; 13. an outer plate; 14. a connecting member; 141. an adjusting plate; 142. a rotating shaft; 143. a dial scale; 144. a through hole; 145. an adjustment groove; 146. positioning holes; 16. positioning a plate; 161. a third slideway; 162. a second snap projection; 17. a fastener; 171. a splint; 172. a first snap projection; 173. a bolt; 21. a first positioning hole; 22. a pressure lever; 23. A boss; 24. a second positioning hole; 30. a frame; 31. a fourth drive device; 32. a fourth slideway; 33. a fourth supporting plate; 34. A fourth transmission device; 35. a fifth driving device; 36. a fifth slideway; 37. a fifth transmission; 38. a support plate; 39. and a sixth supporting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The embodiments described by referring to the drawings are exemplary and intended to be used for explaining the present application and are not to be construed as limiting the present application. In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and thus should not be considered limiting. 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, the meaning of "a number" or "a plurality" is two or more unless specifically limited otherwise. In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; 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 specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate. In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. The first feature being "under," "beneath," and "under" the second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

As shown in fig. 1, a printing mechanism of a screen printing machine convenient to adjust is arranged on an installation base 1 of the screen printing machine, the installation base 1 can move along the X direction relative to the screen printing machine, a first driving device 2 and a second driving device 7 which are arranged along the X direction, a first slideway 3 which extends along the Z direction and a second slideway 8 are arranged on the installation base 1, a first sliding plate 4 is arranged on the first slideway 3, the first sliding plate 4 is in transmission connection with the first driving device 2 and can slide on the first slideway 3 under the driving of the first sliding plate, a first positioning component 5 is hinged to the bottom end part of the first sliding plate 4 in the Z direction, a printing head 6 is detachably and fixedly arranged on the first positioning component 5, and the printing head 6 can rotate relative to the first sliding plate 4 under the driving of the first positioning component 5; establish second slide 9 on the second slide 8, second slide 9 is connected with the transmission of second drive arrangement 7 to can go to drive down and slide on second slide 8, the Z of second slide 9 is articulated to bottom portion has second locating component 10, can dismantle on the second locating component 10 and set firmly scraper blade 11, scraper blade 11 can rotate relative second slide 9 under the drive of second locating component 10.

Specifically, as shown in fig. 2-3, each of the first positioning assembly 5 and the second positioning assembly 10 includes an inner plate 12 and an outer plate 13, which are sleeved and detachably and fixedly connected, the inner plate 12 is an i-shaped structure, and two end portions of the inner plate extend to the outer side of the outer plate 13; the middle part of the inner plate 12 is provided with a connecting piece 14, the connecting piece 14 penetrates through the outer plate 13 and extends to the outer side of the outer plate 13, and the connecting piece 14 is provided with a rotating shaft 142; a positioning plate 16 is arranged below the outer plate 13, fasteners 17 are respectively erected above the outer plate 13 on two sides of the connecting piece 14, and each fastener 17 can press the positioning plate 16 against the bottom of the outer plate 13; the lower end of the positioning plate 16 is detachably and fixedly provided with the printing head 6 or the scraper 11.

In the present embodiment, the outer plate 13 is a square tube; the middle part of the inner plate 12 and the side wall of the outer plate 13 are provided with first positioning holes 21 in a matching way, and a screw sequentially penetrates through the first positioning holes 21 on the outer plate 13 and the inner plate 12 from the outside to fixedly connect the outer plate 13 and the inner plate 12 together, so that the assembly and disassembly are convenient and fast; meanwhile, in order to further guide and fix the outer plate 13, a pressing rod 22 is also screwed on the upper wall of the outer plate 13 beside each fastener 17, and each pressing rod 22 penetrates through the outer plate 13 and abuts against the wall of the inner plate 12.

Specifically, as shown in fig. 3, each connecting member 14 includes two adjusting plates 141 vertically disposed on the outer wall of the inner plate 12 and detachably and fixedly connected to the inner plate 12, the rotating shaft 142 is erected between the two adjusting plates 141, each rotating shaft 142 is detachably and fixedly connected to the first sliding plate 4 or the second sliding plate 9, and a dial 143 is detachably and fixedly disposed at one end of each rotating shaft 142.

In this embodiment, a boss 23 is disposed in the middle of the rotating shaft 142, a plurality of second positioning holes 24 are disposed on the boss 23, and screws pass through the second positioning holes 24 to fix each rotating shaft 142 at the bottom end of the first sliding plate 4 or the second sliding plate 9.

Specifically, as shown in fig. 4, each adjusting plate 141 is provided with a through hole 144 adapted to the rotating shaft 142, an adjusting groove 145 is provided above each through hole 144, one end of each adjusting groove 145 is communicated with the through hole 144, and the other end extends to the side wall of the adjusting plate 141; the adjusting plate 141 is provided with positioning holes 146 at both sides of the adjusting slot 145 to be matched with the locking member.

Specifically, as shown in fig. 5, each fastening member 17 includes an inverted V-shaped clamping plate 171, two opposite inner walls of the clamping plate 171 are respectively provided with a first clamping protrusion 172 adapted to the positioning plate 16, and a bolt 173 is screwed on the top of the clamping plate 172.

Specifically, as shown in fig. 6, the upper end of the positioning plate 16 is provided with a third slide track 161 adapted to the outer plate 13 and extending along the Y direction; the two opposite side walls of the positioning plate 16 are provided with second protrusions 162 adapted to the first protrusions 172.

Specifically, as shown in fig. 7, the mounting base 1 is installed and connected with a transmission assembly of a screen printing machine in a transmission manner, the transmission assembly includes a fourth driving device 31 arranged on a frame 30 of the screen printing machine and more than two fourth slideways 32 extending along the Z direction, a plurality of fourth slideways 32 are provided with a fourth supporting plate 33, and the fourth supporting plate 33 is connected with the fourth driving device 31 in a transmission manner through a fourth transmission device 34 and can slide on the fourth slideways 32 under the driving of the fourth supporting plate 33; the fourth supporting plate 33 is provided with a fifth driving device 35 and more than two fifth slideways 36 extending along the X direction, the mounting seats 1 are erected on the fifth slideways 36, and the mounting seats 1 are in transmission connection with the fifth driving device 35 through a fifth transmission device 37 and can slide on the fifth slideways 36 under the driving of the fifth driving device 37; two support plates 38 extending along the Y direction are detachably and fixedly arranged on a fifth slide way 36, a sixth support plate 39 is arranged between the two support plates 38, the sixth support plate 39 is arranged below the mounting seat 1, and ink cartridges and screen plates are arranged on the sixth support plate 39 along the X direction.

Specifically, the first driving device 2 and the second driving device 7 are both air cylinders, and the fourth driving device 31 and the fifth driving device 35 are both servo motors; the fourth transmission device 31 is a screw slide block transmission pair; the fifth transmission device 37 is a gear synchronous belt transmission pair, and a synchronous rack 101 meshed with the internal teeth of the synchronous belt is arranged on the mounting base 1.

The screw rod and slide block transmission pair comprises a screw rod and a slide block, and the screw rod rotates to drive the slide block to move linearly on the screw rod; the gear synchronous belt transmission pair comprises a gear and a synchronous belt, wherein the inner surface of the synchronous belt is of a rack structure, is meshed with the gear and translates under the transmission of the gear, and the two transmission structures are recorded in a plurality of documents and are not described in detail here. In this embodiment, a synchronous rack 101 matched with the internal teeth of the synchronous belt is arranged on the mounting seat 1, so that the mounting seat 1 is driven to synchronously translate when the synchronous belt translates.

The utility model discloses a working process does: the fourth driving device 31 drives the fourth supporting plate 33 to reciprocate along the Z direction, and the fifth driving device 35 drives the mounting seat 1 to reciprocate between the ink box and the screen plate along the X direction; the first driving device 2 drives the first sliding plate 4 to drive the printing head 6 to reciprocate along the Z direction to dip ink in the ink box, the printing head moves forward along the X direction under the driving of the mounting seat 1 to brush the ink on the screen plate, and after the completion, the first driving device 2 drives the printing head 6 to move upwards; the second driving device 7 drives the second sliding plate 8 to drive the scraping plate 11 to move downwards along the Z direction and move along the X direction under the driving of the mounting seat 1, so that residual ink on the screen plate is scraped into the ink box.

When the printed upper side of the product below the screen plate is an inclined plane, the inclination angles of the first positioning component 5 and the second positioning component 10 are adjusted according to the inclination angles of the product, so that the product is matched with the inclined plane of the product. The adjusting method comprises the following steps: loosening the screws in the positioning holes 146 on the connecting piece 14, widening the adjusting grooves 145 on the adjusting plates 141, enlarging the through holes 144, turning over the outer plate 13, driving the inner plate 12 and the two adjusting plates 141 by the outer plate 13 and driving the positioning plate 16 and the printing heads 6 or the scrapers 11 thereon to synchronously turn over relative to the rotating shaft 142, checking and controlling the turning angle through the rotating disc 143, locking the screws in the positioning holes 146 when the rotating disc rotates to a proper angle, narrowing the adjusting grooves 145, narrowing the through holes 144, and tightly locking the two adjusting plates 141 on the rotating shaft 142.

When the Y-position of the print head 6 or the squeegee 11 needs to be adjusted, the bolt 173 on the fastener 17 is loosened to separate the bottom end portion from the outer plate 13, and at this time, the outer plate 13 is not pressed by external force, and can move relative to the positioning plate 16 in the Z-direction and the Y-direction, so as to push the positioning plate 16 to move, so that the second locking protrusion 162 slides on the first locking protrusion 172, and moves to a proper position, and the bolt 173 is tightened to press the bottom portion thereof against the outer plate 13, so as to push the outer plate 13 against the positioning plate 16, so that the outer plate 13 cannot slide relative to the positioning plate.

When the print head 6 or the squeegee 11 needs to be replaced, the screws in the positioning holes 146 are loosened, the first positioning assembly 5 or the second positioning assembly 10 is removed, the bolts 173 are loosened, the fasteners 17 are removed, and the positioning plate 16 is removed for replacement.

The above is not intended to limit the technical scope of the present invention, and any modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (8)

1. A screen printing machine printing mechanism convenient to adjust is arranged on a mounting seat of a screen printing machine, the mounting seat can move along the X direction relative to the screen printing machine, and the screen printing machine printing mechanism is characterized in that a first driving device and a second driving device which are arranged along the X direction, a first slide way and a second slide way which extend along the Z direction are arranged on the mounting seat, a first slide plate is arranged on the first slide way, the first slide plate is in transmission connection with the first driving device and can slide on the first slide way under the driving of the first slide plate, a first positioning assembly is hinged to the bottom end part of the first slide plate in the Z direction, a printing head is detachably and fixedly arranged on the first positioning assembly, and the printing head can rotate relative to the first slide plate under the driving of the first positioning assembly; establish the second slide on the second slide, the second slide with the transmission of second drive arrangement is connected to can go the drive down slide on the second slide, the Z of second slide is articulated to bottom portion has the second locating component, can dismantle on the second locating component and set firmly the scraper blade, the scraper blade can be in relative under the drive of second locating component the second slide rotates.

2. The printing mechanism of the screen printing machine convenient to adjust as claimed in claim 1, wherein the first positioning assembly and the second positioning assembly each comprise an inner plate and an outer plate which are sleeved, detachably and fixedly connected, the inner plate is of an i-shaped structure, and two end portions of the inner plate extend to the outer side of the outer plate; the middle part of the inner plate is provided with a connecting piece, the connecting piece penetrates through the outer plate and extends to the outer side of the outer plate, and the connecting piece is provided with a rotating shaft; a positioning plate is arranged below the outer plate, fasteners are erected on the upper portion of the outer plate and on two sides of the connecting piece, and each fastener can press the positioning plate to the bottom of the outer plate; the lower end part of the positioning plate is detachably and fixedly provided with the printing head or the scraper.

3. The printing mechanism of the screen printing machine convenient for adjustment according to claim 2, wherein each connecting piece comprises two adjusting plates vertically arranged on the outer wall of the inner plate and detachably and fixedly connected with the inner plate, and the rotating shaft is erected between the two adjusting plates; each rotating shaft is detachably and fixedly connected with the first sliding plate or the second sliding plate, and a dial is detachably and fixedly arranged at one end of each rotating shaft.

4. The printing mechanism of the screen printing machine convenient for adjustment according to claim 3, wherein each adjusting plate is provided with a through hole adapted to the rotating shaft, an adjusting groove is arranged above each through hole, one end of each adjusting groove is communicated with the through hole, and the other end of each adjusting groove extends to the side wall of the adjusting plate; the adjusting plate is provided with positioning holes matched with the locking pieces on two sides of the adjusting groove.

5. The screen printing machine printing mechanism convenient to adjust as claimed in claim 2, wherein each fastener comprises an inverted V-shaped clamping plate, the two opposite inner walls of the clamping plate are respectively provided with a first clamping protrusion matched with the positioning plate, and the top of the clamping plate is screwed with a bolt.

6. The screen printing machine printing mechanism convenient to adjust as claimed in claim 5, wherein the upper end of the positioning plate is provided with a third slideway which is matched with the outer plate and extends along the Y direction; and second clamping protrusions matched with the first clamping protrusions are arranged on the two opposite side walls of the positioning plate.

7. The printing mechanism of the screen printing machine convenient for adjustment according to any one of claims 1 to 6, wherein the mounting base is in transmission connection with a transmission assembly of the screen printing machine, the transmission assembly includes a fourth driving device arranged on a frame of the screen printing machine and more than two fourth slideways extending along the Z direction, a fourth supporting plate is erected on a plurality of the fourth slideways, and the fourth supporting plate is in transmission connection with the fourth driving device through the fourth driving device and can slide on the fourth slideways under the driving of the fourth supporting plate; the fourth supporting plate is provided with a fifth driving device and more than two fifth slideways extending along the X direction, the mounting seats are erected on the fifth slideways and are in transmission connection with the fifth driving device through a fifth transmission device and can slide on the fifth slideways under the driving of the mounting seats; the fifth slideway is detachably and fixedly provided with two support plates extending along the Y direction, a sixth supporting plate is arranged between the two support plates and arranged below the mounting seat, and ink boxes and screen plates are arranged on the sixth supporting plate along the X direction.

8. The screen printing mechanism convenient for adjustment of claim 7, wherein the first driving device and the second driving device are both air cylinders, and the fourth driving device and the fifth driving device are both servo motors; the fourth transmission device is a screw rod sliding block transmission pair; the fifth transmission device is a gear synchronous belt transmission pair, and a synchronous rack meshed with the inner teeth of the synchronous belt is arranged on the mounting seat.

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