A printing roller scraper mechanism for a cloth printing line

Abstract

The present invention provides a printing roller scraper mechanism for a cloth printing production line. In actual use, when the printing roller prints cloth, the scraper body can scrape the slurry and ink on the printing roller. Specifically, the scraper rotation drive device can rotationally drive the scraper rotating shaft, so that the scraper rotating shaft drives the scraper body to swing close to or away from the printing roller through the scraper bracket according to actual needs; during the printing roller rotation printing process, the reciprocating drive device drives the scraper rotating shaft through the scraper bracket to drive the scraper body to reciprocate back and forth along the axial direction, and reciprocatingly scrapes the printing roller to achieve efficient and uniform slurry and ink scraping effect.

Description

Technical Field

[0001] The invention relates to the field of cloth printing machinery, in particular to a printing roller scraper mechanism of a cloth printing production line. Background Art

[0002] In the process of cloth printing, the inking roller applies ink to the printing roller, and the ink on the inking roller is directly stained on the printing roller. The rotation of the printing roller is coordinated with the speed of the conveyor belt to print the cloth on the conveyor belt. In actual printing, the ink on the printing roller is often unevenly distributed or incorrectly positioned. The ink on the printing roller needs to be scraped evenly, but the traditional ink scraping device cannot effectively scrape the ink, and its practicality needs to be improved.

[0003] In view of this, the inventor of this case conducted in-depth research on the above-mentioned issues, which led to the emergence of this case. Summary of the invention

[0004] The purpose of the present invention is to provide a printing roller scraper mechanism for a cloth printing line which can efficiently and evenly scrape ink from a printing roller, improve printing quality, and has flexible and convenient operation, smooth movement, and strong practicality.

[0005] In order to achieve the above object, the present invention adopts such technical solution:

[0006] A printing roller scraper mechanism of a cloth printing production line comprises a scraper body for scraping corresponding to the printing roller, a scraper bracket for carrying the scraper body, a scraper rotating shaft for carrying the scraper bracket in parallel with the printing roller, a reciprocating drive device for axially reciprocatingly driving the scraper rotating shaft, and a scraper rotating drive device for rotationally driving the scraper rotating shaft.

[0007] The scraper body comprises a blade parallel to the printing roller and a blade fixing plate for fixing the blade.

[0008] The scraper support includes at least two scraper support monomers arranged along the scraper rotation axis and uniformly supporting the blade fixing plate.

[0009] The scraper support unit comprises a support fixing portion connected to the scraper rotating shaft, and a scraper adjusting support connected to the blade fixing plate for adjusting the position of the scraper body relative to the scraper rotating shaft.

[0010] The scraper adjustment bracket includes a scraper adjustment rod connected to the blade fixing plate, a scraper adjustment sleeve sleeved outside the scraper adjustment rod, and an adjustment screw connected between the scraper adjustment sleeve and the bracket fixing part; the scraper adjustment rod includes a connecting rod section connected to the blade fixing plate, a screw section connected to the connecting rod section and corresponding to the scraper adjustment sleeve, and a first rotating handle connected to the outer end of the screw section; the scraper adjustment sleeve is formed with an internal thread matching the screw section.

[0011] The adjusting screw is vertically connected to the outside of the scraper adjusting sleeve, the bracket fixing part is provided with an adjusting screw connecting part connected to the adjusting screw, the adjusting screw connecting part is formed with a through hole for the adjusting screw to pass through, and the adjusting screw is equipped with an adjusting screw locking nut locked on both sides of the through hole.

[0012] The reciprocating drive device includes a reciprocating drive crankshaft and a reciprocating drive motor arranged on a printing support for rotationally driving the reciprocating drive crankshaft; the reciprocating drive crankshaft has a reciprocating drive power input end and a reciprocating drive power output end, and the scraper rotating shaft is provided with a reciprocating driven portion for the reciprocating drive power output end to be driven along the axial direction of the scraper rotating shaft.

[0013] The reciprocating drive crankshaft is perpendicular to the scraper rotating shaft, and the reciprocating driven part includes a driven wheel arranged at the end of the scraper rotating shaft, and the circumferential surface of the driven wheel is formed with an annular groove for accommodating the reciprocating drive power output end, and annular protrusions are formed on both sides of the annular groove to limit the reciprocating drive power output end.

[0014] The reciprocating drive crankshaft is arranged up and down, and the reciprocating drive power output end is equipped with a reciprocating shift bearing which is coaxially arranged and matched with the annular groove.

[0015] The reciprocating drive motor is fixedly connected to the printing bracket and the output shaft is arranged downward.

[0016] The scraper rotation driving device includes a worm wheel component connected to the scraper rotation shaft, a worm component for rotationally driving the worm wheel component, and a second rotation handle for rotationally driving the worm component.

[0017] The scraper rotation driving device also includes a positioning device for positioning the worm component.

[0018] The positioning device comprises a positioning sleeve sleeved on the worm component and a positioning pin connected to the printing bracket; a plurality of positioning holes for inserting the positioning pin for positioning are formed on the peripheral surface of the positioning sleeve, and the positioning holes are distributed in a ring shape around the positioning sleeve.

[0019] The positioning pin is provided with a retaining spring for retaining the pin inserted into the positioning hole.

[0020] The locating pin is equipped with a locating pin connecting frame arranged on the printing bracket, the locating pin connecting frame includes two locating pin connecting plates which are parallel to each other and perpendicular to the locating pin, and the locating pin connecting plates are formed with a locating pin through hole for the locating pin to pass through; the retaining spring sleeve is arranged on the locating pin and is located between the two locating pin connecting plates; the retaining spring has a first end of the spring which is closer to the locating sleeve and connected to the locating pin, and a second end of the spring which is farther away from the locating sleeve and abuts against the inner side of the corresponding locating pin connecting frame.

[0021] The positioning pin is equipped with an operating handle.

[0022] The scraper rotation driving device is equipped with a worm pivoting component connected with the printing support.

[0023] The worm pivoting component includes two bearing seats pivotally connected to the worm component.

[0024] After adopting the above technical scheme, the printing roller scraper mechanism of the cloth printing line of the present invention can scrape the ink on the printing roller when the printing roller prints the cloth during actual use. Specifically, the scraper rotation drive device can rotate and drive the scraper rotating shaft, so that the scraper rotating shaft drives the scraper main body to swing close to or away from the printing roller through the scraper bracket according to actual needs; during the printing roller rotation printing process, the reciprocating drive device drives the scraper rotating shaft through the scraper bracket to drive the scraper main body to reciprocate back and forth along the axial direction, reciprocatingly scraping the printing roller to achieve efficient and uniform ink scraping effect. Compared with the prior art, the printing roller scraper mechanism of the cloth printing line of the present invention can scrape the ink on the printing roller efficiently and uniformly, improve the printing quality, and is flexible and convenient to operate, smooth in movement, and highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a partial structural schematic diagram of the use state of the present invention;

[0026] Figure 2 A schematic diagram of a partial structure of the present invention in another use state from another angle;

[0027] Figure 3 It is a schematic diagram of the local structure of the present invention;

[0028] Figure 4 It is a schematic diagram of the local structure from another angle of the present invention.

[0029] In the figure:

[0030] 1- scraper body 11- blade 12- blade fixing plate

[0031] 2-scraper bracket 21-scraper bracket monomer 211-bracket fixing portion 2111-adjusting screw connecting portion 212-scraper adjustment bracket 2121-scraper adjustment rod 21211-first rotating handle 2122-scraper adjustment sleeve 2123-adjusting screw

[0032] 3-scraper rotating shaft 31-reciprocating driven portion 311-annular groove 312-annular protrusion

[0033] 4- reciprocating drive device 41- reciprocating drive crankshaft 411- reciprocating shift bearing 42- reciprocating drive motor

[0034] 5-scraper rotation driving device 51-worm wheel component 52-worm component 53-second rotation handle 54-positioning device 541-positioning sleeve 5411-positioning hole 542-positioning pin 543-holding spring 544-positioning pin connecting frame 5441-positioning pin connecting plate 545-operating handle 55-worm pivot component 551-bearing seat

[0035] 6- Printing roller 7- Printing support. DETAILED DESCRIPTION

[0036] In order to further explain the technical solution of the present invention, it is described in detail below through specific embodiments.

[0037] A printing roller scraper mechanism for a cloth printing line of the present invention, such as Figure 1-4 As shown, the scraper body 1 scrapes in correspondence with the printing roller 6, the scraper support 2 carries the scraper body 1, the scraper rotating shaft 3 carries the scraper support 2 in parallel with the printing roller 6, the reciprocating driving device 4 drives the scraper rotating shaft 3 axially and reciprocatingly, and the scraper rotating driving device 5 drives the scraper rotating shaft 3 to rotate. In the actual use of the present invention, when the printing roller 6 prints the cloth, the scraper body 1 can scrape the ink on the printing roller 6, specifically, the scraper rotating driving device 5 can drive the scraper rotating shaft 3 to rotate, so that the scraper rotating shaft 3 drives the scraper body 1 to swing close to or away from the printing roller 6 through the scraper support 2 according to actual needs; during the printing process of the printing roller 6 rotating, the reciprocating driving device 4 drives the scraper rotating shaft 3 to drive the scraper body 1 to reciprocate back and forth along the axial direction through the scraper support 2, and reciprocatingly scrapes the printing roller 6, so as to achieve efficient and uniform ink scraping effect.

[0038] Preferably, the scraper body 1 comprises a blade 11 parallel to the printing roller 6, and a blade fixing plate 12 for fixing the blade 11. The blade fixing plate 12 can clamp and fix the blade 11 in parallel and comprehensively, and the blade 11 is more firm and not easily damaged.

[0039] Preferably, the scraper support 2 includes at least two scraper support monomers 21 arranged along the scraper rotation axis 3 and evenly supporting the blade fixing plate 12. At least two scraper support monomers 21 can evenly fix the blade fixing plate 12 and the blade 11, and the fixing effect is better.

[0040] Preferably, the scraper support unit 21 includes a support fixing portion 211 connected to the scraper rotating shaft 3, and a scraper adjusting support 212 connected to the blade fixing plate 12 to adjust the position of the scraper body 1 relative to the scraper rotating shaft 3. In actual use of the present invention, the support fixing portion 211 can fix the scraper support unit 21, and the scraper adjusting support 212 is used to adjust the spatial position of the scraper body 1 relative to the scraper rotating shaft 3.

[0041] Preferably, the scraper adjustment bracket 212 includes a scraper adjustment rod 2121 connected to the blade fixing plate 12, a scraper adjustment sleeve 2122 sleeved on the scraper adjustment rod 2121, and an adjustment screw 2123 connected between the scraper adjustment sleeve 2122 and the bracket fixing part 211; the scraper adjustment rod 2121 includes a connecting rod section connected to the blade fixing plate 12, a screw section connected to the connecting rod section and corresponding to the scraper adjustment sleeve 2122, and a first rotating handle 21211 connected to the outer end of the screw section; the scraper adjustment sleeve 2122 is formed with an internal thread matching the screw section. During actual use of the present invention, the staff can drive the scraper adjusting rod 2121 to rotate by rotating the first rotating handle 21211, thereby driving the screw segment to rotate relative to the scraper adjusting sleeve 2122 by relying on the matching thread, so that the scraper adjusting rod 2121 moves along the axial direction of the scraper adjusting rod 2121 relative to the scraper adjusting sleeve 2122, thereby adjusting the position of the scraper body 1 in the axial direction of the scraper adjusting rod 2121; at the same time, operating the adjusting screw 2123 can adjust the position of the scraper body 1 along the axial direction of the adjusting screw 2123.

[0042] In order to realize the specific adjustment structure of the adjustment screw 2123, preferably, the adjustment screw 2123 is vertically connected to the outside of the scraper adjustment sleeve 2122, the bracket fixing portion 211 is provided with an adjustment screw connecting portion 2111 connected to the adjustment screw 2123, the adjustment screw connecting portion 2111 is formed with a through hole for the adjustment screw 2123 to pass through, and the adjustment screw 2123 is equipped with an adjustment screw locking nut locked on both sides of the through hole. In actual use of the present invention, the staff can adjust the position of the adjustment screw 2123 by operating the adjustment screw locking nut and lock it.

[0043] Preferably, the reciprocating drive device 4 includes a reciprocating drive crankshaft 41, and a reciprocating drive motor 42 provided on the printing support 7 to drive the reciprocating drive crankshaft 41 to rotate; the reciprocating drive crankshaft 41 has a reciprocating drive power input end and a reciprocating drive power output end, and the scraper rotating shaft 3 is provided with a reciprocating driven portion 31 for the reciprocating drive power output end to move along the axial direction of the scraper rotating shaft 3. In actual use of the present invention, the reciprocating drive motor 42 drives the reciprocating drive crankshaft 41 to rotate, and the reciprocating drive power output end of the reciprocating drive crankshaft 41 causes the reciprocating driven portion 31 of the scraper rotating shaft 3 to reciprocate along the axial direction of the scraper rotating shaft 3, so that the scraper rotating shaft 3 drives the entire scraper support 2 and the scraper body 1 to reciprocate along the axial direction of the scraper rotating shaft 3, thereby effectively scraping the slurry ink on the printing roller 6.

[0044] Preferably, the reciprocating drive crankshaft 41 is perpendicular to the scraper rotating shaft 3, and the reciprocating driven part 31 includes a driven wheel arranged at the end of the scraper rotating shaft 3, and the circumferential surface of the reciprocating driven part 31 in the form of a driven wheel is formed with an annular groove 311 for accommodating the reciprocating drive power output end, and annular protrusions 312 for limiting the reciprocating drive power output end are formed on both sides of the annular groove 311. During actual use of the present invention, the reciprocating drive crankshaft 41 extends into the annular groove 311 of the reciprocating driven part 31 in the form of a driven wheel. When the reciprocating drive motor 42 drives the reciprocating drive crankshaft 41, the reciprocating drive crankshaft 41 reciprocates the annular protrusions 312 on both sides of the annular groove 311, so that the scraper rotating shaft 3 drives the entire scraper bracket 2 and the scraper body 1 to produce reciprocating movement along the axial direction of the scraper rotating shaft 3. The reciprocating drive crankshaft 41 is limited by the annular protrusion 312, and the annular groove 311 and the annular protrusions 312 on both sides cooperate with each other. Even if the reciprocating driven part 31 in the form of a driven wheel rotates with the scraper rotating shaft 3, the reciprocating drive crankshaft 41 will not be disengaged, and it will always remain in cooperation with the reciprocating driven part 31.

[0045] Preferably, the reciprocating drive crankshaft 41 is arranged up and down, and the reciprocating drive power output end is equipped with a reciprocating toggle bearing 411 which is coaxially arranged and matches the annular groove 311. In actual use of the present invention, when the reciprocating toggle part 31 in the form of a toggle wheel rotates with the scraper rotating shaft 3, the reciprocating toggle bearing 411 can roll relative to the annular protrusions 312 on both sides, without generating static friction and affecting the rotation of the scraper rotating shaft 3, and the entire mechanism runs more smoothly and stably.

[0046] Preferably, the reciprocating drive motor 42 is fixedly connected to the printing support 7 and the output shaft is arranged downward.

[0047] Preferably, the scraper rotation driving device 5 includes a worm wheel component 51 connected to the scraper rotation shaft 3, a worm component 52 for rotationally driving the worm wheel component 51, and a second rotation handle 53 for rotationally driving the worm component 52. In actual use of the present invention, the staff can rotate the worm component 52 by operating the second rotation handle 53, drive the worm wheel component 51 to drive the scraper rotation shaft 3 to rotate, and then drive the scraper bracket 2 and the scraper body 1 to swing.

[0048] Preferably, the scraper rotation drive device 5 further includes a positioning device 54 for positioning the worm component 52. When the worm component 52 is rotated and adjusted to a corresponding position, the positioning device 54 can be used to position the worm component 52 to ensure that the working position of the scraper body 1 is accurate and stable.

[0049] Preferably, the positioning device 54 includes a positioning sleeve 541 sleeved on the worm component 52, and a positioning pin 542 connected to the printing bracket 7; the peripheral surface of the positioning sleeve 541 is formed with a plurality of positioning holes 5411 for the positioning pins 542 to be inserted for positioning, and the positioning holes 5411 are distributed in a ring shape around the positioning sleeve 541. In actual use of the present invention, the positioning sleeve 541 rotates with the worm component 52, and when the worm component 52 is rotated and adjusted to a corresponding position, the positioning pin 542 can be inserted into the positioning hole 5411 to position the worm component 52.

[0050] Preferably, the positioning pin 542 is provided with a retaining spring 543 for retaining the positioning pin 542 inserted into the positioning hole 5411. In actual use of the present invention, the retaining spring 543 generates elastic force on the positioning pin 542 to retain the positioning pin 542 inserted into the positioning hole 5411.

[0051] Preferably, the locating pin 542 is equipped with a locating pin connecting frame 544 arranged on the printing bracket 7, the locating pin connecting frame 544 includes two locating pin connecting plates 5441 which are parallel to each other and perpendicular to the locating pin 542, the locating pin connecting plates 5441 are formed with locating pin through holes for the locating pin 542 to pass through; the retaining spring 543 is sleeved on the locating pin 542 and is located between the two locating pin connecting plates 5441; the retaining spring 543 has a first end of the spring which is closer to the locating sleeve 541 and connected to the locating pin 542, and a second end of the spring which is farther away from the locating sleeve 541 and abuts against the inner side of the corresponding locating pin connecting frame 544.

[0052] Preferably, the positioning pin 542 is provided with an operating handle 545 .

[0053] Preferably, the scraper rotation driving device 5 is equipped with a worm pivot component 55 connected to the printing support 7 .

[0054] Preferably, the worm pivot component 55 includes two bearing seats 551 pivotally connected to the worm component 52 .

[0055] The product form of the present invention is not limited to the illustrations and embodiments of this case. Any appropriate changes or modifications made by anyone with similar ideas should be deemed to be within the patent scope of the present invention.

Claims

1. A printing roller scraper mechanism for a cloth printing line, characterized in that: The scraper comprises a scraper body for scraping corresponding to the printing roller, a scraper support for carrying the scraper body, a scraper rotating shaft for carrying the scraper support in parallel with the printing roller, a reciprocating driving device for axially reciprocatingly driving the scraper rotating shaft, and a scraper rotating driving device for rotationally driving the scraper rotating shaft; The scraper rotation drive device includes a worm wheel component connected to the scraper rotation shaft, a worm component for rotationally driving the worm wheel component, a second rotation handle for rotationally driving the worm component, and a positioning device for positioning the worm component; the positioning device includes a positioning sleeve sleeved on the worm component, and a positioning pin connected to the printing bracket, the peripheral surface of the positioning sleeve is formed with a plurality of positioning holes for the positioning pins to be inserted and positioned, and the positioning holes are distributed in a ring shape around the positioning sleeve; the positioning pin is equipped with a retaining spring for being inserted into the positioning hole, and the positioning pin is equipped with a positioning pin connecting frame arranged on the printing bracket, the The positioning pin connecting frame includes two positioning pin connecting plates which are parallel to each other and perpendicular to the positioning pin, and the positioning pin connecting plates are formed with positioning pin through holes for the positioning pin to pass through; the retaining spring is sleeved on the positioning pin and is located between the two positioning pin connecting plates; the retaining spring has a first spring end which is closer to the positioning sleeve and connected to the positioning pin, and a second spring end which is farther away from the positioning sleeve and abuts against the inner side of the corresponding positioning pin connecting frame; the positioning pin is equipped with an operating handle, and the scraper rotation driving device is equipped with a worm pivoting component connected to the printing bracket, and the worm pivoting component includes two bearing seats pivotally connected to the worm component; The reciprocating drive device comprises a reciprocating drive crankshaft and a reciprocating drive motor arranged on the printing support to drive the reciprocating drive crankshaft to rotate; the reciprocating drive crankshaft has a reciprocating drive power input end and a reciprocating drive power output end, the scraper rotating shaft is provided with a reciprocating driven part for the reciprocating drive power output end to be driven along the axial direction of the scraper rotating shaft; the reciprocating drive crankshaft is perpendicular to the scraper rotating shaft, and the reciprocating driven part comprises a driven wheel arranged at the end of the scraper rotating shaft, an annular groove is formed on the circumference of the driven wheel to accommodate the reciprocating drive power output end, and annular protrusions are formed on both sides of the annular groove to limit the reciprocating drive power output end; the reciprocating drive crankshaft is arranged up and down, and the reciprocating drive power output end is equipped with a reciprocating driven bearing coaxially arranged and matched with the annular groove; the reciprocating drive motor is fixedly connected to the printing support and the output shaft is arranged downward; The reciprocating drive crankshaft extends into the annular groove of the reciprocating driven part. When the reciprocating drive motor drives the reciprocating drive crankshaft, the reciprocating drive crankshaft reciprocates the annular protrusions on both sides of the annular groove, so that the scraper rotating shaft drives the entire scraper bracket and the scraper body to produce reciprocating movement along the axial direction of the scraper rotating shaft. The reciprocating drive crankshaft is limited by the annular protrusion, and the annular groove and the annular protrusions on both sides cooperate with each other.

2. The printing roller scraper mechanism of a cloth printing line according to claim 1, characterized in that: The scraper body comprises a blade parallel to the printing roller and a blade fixing plate for fixing the blade.

3. The printing roller scraper mechanism of a cloth printing line according to claim 2, characterized in that: The scraper support comprises at least two scraper support monomers which are arranged along the scraper rotation axis and evenly support the blade fixing plate.

4. The printing roller scraper mechanism of a cloth printing line according to claim 3, characterized in that: The scraper support monomer comprises a support fixing portion connected to the scraper rotating shaft, and a scraper adjusting support connected to the blade fixing plate for adjusting the position of the scraper body relative to the scraper rotating shaft.

5. The printing roller scraper mechanism of a cloth printing line according to claim 4, characterized in that: The scraper adjustment bracket includes a scraper adjustment rod connected to a blade fixing plate, a scraper adjustment sleeve sleeved outside the scraper adjustment rod, and an adjustment screw connected between the scraper adjustment sleeve and the bracket fixing part; the scraper adjustment rod includes a connecting rod section connected to the blade fixing plate, a screw section connected to the connecting rod section and corresponding to the scraper adjustment sleeve, and a first rotating handle connected to the outer end of the screw section; the scraper adjustment sleeve is formed with an internal thread matching the screw section.

6. The printing roller scraper mechanism of a cloth printing line according to claim 5, characterized in that: The adjusting screw is vertically connected to the outside of the scraper adjusting sleeve, the bracket fixing part is provided with an adjusting screw connecting part connected to the adjusting screw, the adjusting screw connecting part is formed with a through hole for the adjusting screw to pass through, and the adjusting screw is equipped with an adjusting screw locking nut locked on both sides of the through hole.

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