CN114701251B - Efficient rubber tube printing device and working method thereof - Google Patents
Efficient rubber tube printing device and working method thereof Download PDFInfo
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- CN114701251B CN114701251B CN202210347241.8A CN202210347241A CN114701251B CN 114701251 B CN114701251 B CN 114701251B CN 202210347241 A CN202210347241 A CN 202210347241A CN 114701251 B CN114701251 B CN 114701251B
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- rubber tube
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- plate
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- 238000007639 printing Methods 0.000 title claims abstract description 109
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000010023 transfer printing Methods 0.000 claims abstract description 121
- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 238000001179 sorption measurement Methods 0.000 claims description 22
- 238000003825 pressing Methods 0.000 claims description 16
- 238000007790 scraping Methods 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000008901 benefit Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007246 mechanism Effects 0.000 description 6
- 238000007649 pad printing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 230000007306 turnover Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 206010016173 Fall Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F17/00—Printing apparatus or machines of special types or for particular purposes, not otherwise provided for
- B41F17/001—Pad printing apparatus or machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
- B41F33/16—Programming systems for automatic control of sequence of operations
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41P—INDEXING SCHEME RELATING TO PRINTING, LINING MACHINES, TYPEWRITERS, AND TO STAMPS
- B41P2217/00—Printing machines of special types or for particular purposes
- B41P2217/50—Printing presses for particular purposes
Abstract
The utility model relates to the field of rubber tube manufacturing, in particular to a high-efficiency rubber tube printing device and a working method thereof. Comprising the following steps: the printing device comprises an inking printing plate part, a transfer printing part, a rubber tube fixing device and a frame, wherein a printing plate is arranged on the inking printing plate part, a transfer printing head is arranged on the transfer printing part, the transfer printing part is rotationally connected to the frame, the inking printing plate part is arranged below the transfer printing part, and the rubber tube fixing device is arranged above the transfer printing part; the transfer printing device comprises a transfer printing part, a rubber tube fixing device, a first driving cylinder, a second driving cylinder, a rotary driving device, a first driving cylinder and a second driving cylinder, wherein the rotary driving device is in transmission connection with the transfer printing part and can drive the transfer printing part to rotate to two working positions of the transfer printing head, which face the inking plate part, and the rubber tube fixing device; the first driving cylinder is connected with the inking plate part and the frame, and the second driving cylinder is connected with the rubber tube fixing device and the frame. The utility model has the advantages of short moving stroke, simple positioning control and capability of improving transfer printing efficiency, and in addition, the whole structure is longitudinally arranged and is compact.
Description
Technical Field
The utility model relates to the field of rubber tube manufacturing, in particular to a high-efficiency rubber tube printing device and a working method thereof.
Background
The hydraulic oil pipe is an indispensable auxiliary element of a hydraulic system, the material of the hydraulic oil pipe is usually rubber, and when the hydraulic oil pipe is produced, a special device is needed to be used for printing pictures and texts on the rubber pipe after the rubber pipe is processed.
The utility model patent of China with the application number of 201721677735.3 discloses a rubber tube pad printing mechanism which comprises an X-axis cylinder, a Y-axis cylinder, a driving cylinder, an ink fountain, an ink scraping device, a printing plate, a printing head and a bottom plate, wherein the X-axis cylinder, the driving cylinder and the printing plate are fixed on the bottom plate, the Y-axis cylinder is fixed on a sliding seat of the X-axis cylinder, the printing head is connected to a piston rod of the Y-axis cylinder, the ink fountain is connected to a piston rod of the driving cylinder, the printing plate is positioned below the ink fountain, a concave pattern is arranged on the printing plate, and the ink scraping device is arranged at the bottom of the ink fountain. In order to solve the defects of low efficiency and low accuracy of printing the rubber tube patterns, the utility model patent performs ink scattering and ink scraping treatment on the printing plate through the air cylinder, and moves the printing head to print the rubber tube through the XY axis air cylinder, so that the working efficiency is improved, and the printing accuracy is increased.
The printing principle of the rubber tube pad printing mechanism belongs to indirect printing, wherein the printing head is used for transferring the pattern on the printing plate, and the pad printing is completed by the up-down and left-right movement strokes of the two cylinder printing heads of the XY axis cylinder. It has the following disadvantages: the overall stroke of the printing head comprises positioning control of 6 stroke positions of lower, upper, left, lower, upper and right, so that a positioning control system is complex, the moving stroke is large, the transfer printing work efficiency is low, and in addition, the overall transverse occupied space is large, so that the space utilization rate is not high.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the efficient rubber tube printing device and the working method thereof, which can improve the transfer printing efficiency and the space utilization rate.
In order to achieve the above object, the present utility model is realized by the following technical scheme: an efficient hose printing device comprising: the printing device comprises an inking printing plate part, a transfer printing part, a rubber tube fixing device and a frame, wherein a printing plate is arranged on the inking printing plate part, a transfer printing head is arranged on the transfer printing part, the transfer printing part is rotationally connected to the frame, the inking printing plate part is arranged below the transfer printing part, and the rubber tube fixing device is arranged above the transfer printing part; the transfer printing device comprises a transfer printing part, a rubber tube fixing device, a first driving cylinder, a second driving cylinder, a rotary driving device, a first driving cylinder and a second driving cylinder, wherein the rotary driving device is in transmission connection with the transfer printing part and can drive the transfer printing part to rotate to two working positions of the transfer printing head, which face the inking plate part, and the rubber tube fixing device; the first driving cylinder is connected with the inking plate part and the rack, and can drive the inking plate part to move towards the transfer printing part; the second driving cylinder is connected with the rubber tube fixing device and the frame, and the second driving cylinder can drive the rubber tube fixing device to move towards the transfer printing part.
In the above-mentioned device, the transfer printing head corresponds to the printing head in the "rubber tube transfer printing mechanism" disclosed in the chinese patent application No. 201721677735.3.
The working method comprises the following steps:
s1: the transfer head faces downward;
s2: fixing a rubber tube to be printed on a rubber tube fixing device;
s3: after the inking plate part finishes the operations of ink scattering and ink scraping on the printing plate, the first driving cylinder drives the inking plate part to move upwards until the printing plate is contacted with the transfer printing head, and the first driving cylinder drives the inking plate part to reset;
s4: driving the transfer printing head to rotate upwards through the rotary driving device until the transfer printing head faces upwards;
s5: the second driving cylinder drives the rubber tube fixing device to drive the rubber tube to be printed to move downwards until the rubber tube contacts with the transfer printing head, and the second driving cylinder drives the rubber tube fixing device to reset;
s6: the rotary driving device drives the transfer printing head to rotate downwards until the transfer printing head faces downwards;
s7: removing the printed rubber tube from the rubber tube fixing device;
s8: s2 to S7 are repeated.
In the utility model, the movement method of the transfer printing head is that the transfer printing head is rotated, the transfer printing head is turned over by 180 degrees through the rotary driving device, so that the movement stroke of the transfer printing head is finished, the positioning control is simple, the first driving cylinder and the second driving cylinder respectively control the inking plate part and the rubber tube fixing device to move up and down, and the transfer printing of printing patterns between the printing plate and the rubber tube to be printed and the transfer printing head is finished. Therefore, the efficient rubber tube printing device has the advantages of short moving stroke, simple positioning control and capability of improving transfer printing efficiency, and in addition, the whole structure is longitudinally arranged, so that the efficient rubber tube printing device is compact in structure and can improve space utilization rate.
Further, the high-efficiency rubber tube printing device comprises an inking plate part, a first driving cylinder and a second driving cylinder, wherein the inking plate part comprises a mounting seat, a printing plate and a third driving cylinder; the mounting seat comprises a first vertical plate, a second vertical plate and a transverse plate, wherein the first vertical plate and the second vertical plate are respectively fixed at two ends of the length direction of the transverse plate, the printing plate is fixed on the transverse plate, a cylinder body of a third driving cylinder is arranged on one side, far away from the transverse plate, of the second vertical plate, a telescopic ejector rod of the third driving cylinder is arranged on the second vertical plate in a penetrating mode, and the ejector rod of the third driving cylinder is connected with an ink fountain and a scraping plate which are arranged above the printing plate. As a preferred embodiment of the present utility model, the structure of the inking plate part and the principle of inking the plate are similar to a "rubber tube pad printing mechanism" disclosed in chinese patent application No. 201721677735.3, wherein the third driving cylinder corresponds to the driving cylinder in the above-mentioned patent document, and the ink fountain and the squeegee are driven by the third driving cylinder ejector pin to complete the inking operation on the plate.
Further, according to the efficient rubber tube printing device, the cylinder body of the first driving cylinder is fixed on the mounting seat, and the telescopic ejector rod of the first driving cylinder is fixed on the frame. As a preferable scheme of the utility model, the first driving cylinder body is fixed on the mounting seat, and compared with the connection of the ejector rod on the mounting seat, a connecting block is not required to be additionally arranged, and the utility model has the advantage of simple connection structure, and in addition, the compactness of space is improved. Preferably, the first driving cylinder body is fixed on one side, far away from the transverse plate, of the second vertical plate, the first driving cylinder body is arranged above the third driving cylinder, and the telescopic rod end of the first driving cylinder faces upwards. The second riser belongs to the middle section of the inking plate part, the first driving cylinder body is fixed on the upper extension surface of the second riser, and the integral stability is good and the integral structure is compact. Preferably, a pair of sliding rods are fixedly arranged on the frame, a pair of linear bearings are fixedly arranged on the corresponding sliding rods and the second vertical plate, the cylinder body of the first driving cylinder is fixed between the pair of linear bearings, and the linear bearings are sleeved on the sliding rods. With the above structure, the stability of the first driving cylinder driving the inking plate part to move up and down is improved.
Further, the efficient rubber tube printing device is characterized in that a gear shaft is rotatably arranged on the frame, the transfer printing portion is fixed on the gear shaft, the rotary driving device comprises a rack rod, a rack section is arranged on the rack rod and is connected with the gear shaft in a meshed mode, and the rack section can drive the gear shaft to rotate 180 degrees. As a preferable scheme of the utility model, the transfer printing part is driven to rotate by adopting a rack-and-pinion transmission mode, and the number of teeth of the rack section can control the rotation angle of the gear shaft, so that the accuracy of positioning the rotation position of the transfer printing head can be ensured.
Further, the high-efficiency type rubber tube printing device comprises a rack bar and a free-running section, wherein the free-running section is arranged above the rack bar, and the rack bar and the rubber tube fixing device are fixed on a driving piece of the second driving cylinder; when the second driving cylinder drives the rack rod to move downwards, the rack section drives the gear shaft to rotate upwards when the rack section moves downwards through the horizontal plane of the axis of the gear shaft, and the gear shaft is stationary when the idle section moves downwards through the horizontal plane of the axis of the gear shaft.
As a preferable mode of the present utility model, based on the above-described configuration, the rotary driving device for driving the transfer head and the driving device for driving the hose fixing device share one second driving cylinder. In the process of transferring the transfer printing head to the rubber tube, driving the rack rod through the second driving cylinder, and finishing 180-degree overturning of the transfer printing head through the horizontal plane of the axis of the gear shaft through the rack section, wherein the rubber tube to be printed fixed on the rubber tube fixing device synchronously moves downwards at the moment; when the rack section completely passes through the horizontal plane of the axis of the gear shaft, the transfer printing head rotates to the upward direction, at the moment, the rubber tube to be printed and the transfer printing head still keep a certain distance, and then when the rack rod continuously moves downwards, the idle section passes through the horizontal plane of the axis of the gear shaft, at the moment, the transfer printing head keeps motionless, and the rubber tube to be printed fixed on the rubber tube fixing device continuously moves downwards until the rubber tube to be printed contacts with the transfer printing head to finish printing. And when the second driving cylinder is reset, the rubber tube fixing device and the transfer printing part are reset simultaneously in the same way. Therefore, the high-efficiency rubber tube printing device disclosed by the utility model has the advantages that the idle stroke section structure of the rack rod is utilized to finish the sharing of the transfer printing part and the driving device of the rubber tube fixing device, the one-time ejection and resetting operation of the second driving cylinder is realized, the transfer printing part and the rubber tube fixing device respectively finish all strokes, the positioning control of the turnover of the transfer printing part is completely omitted, the cost for additionally arranging the driving device of the transfer printing part is saved, the step control of the action matching of the transfer printing part and the rubber tube fixing device is correspondingly omitted, the rubber tube printing efficiency is further improved, in addition, the mechanical matching control method is adopted, and the matching stability is higher.
Further, a high-efficient rubber tube printing device, still include the permanent magnet, the permanent magnet is fixed on transfer printing portion, corresponds the permanent magnet be equipped with the adsorption surface on the driving piece of second actuating cylinder, when transfer printing portion changes to the transfer printing head through the rack pole and upwards, the permanent magnet is connected with the adsorption surface magnetic adsorption on the second actuating cylinder driving piece, after the idle running section moves down through gear shaft axis horizontal plane, the permanent magnet produces slip and magnetic adsorption connection with the adsorption surface. As a preferable mode of the utility model, after the rack section moves out of the horizontal plane of the axis of the gear shaft, the gear shaft is underpositioned in the circumferential direction, and the transfer part is in a risk of falling down to two sides. Therefore, by arranging the permanent magnet, the transfer printing part is attracted on the adsorption surface through the permanent magnet, and the transfer printing part is ensured to be in a vertical position after the rack section moves out of the horizontal plane of the axis of the gear shaft.
Further, the efficient rubber tube printing device is characterized in that the telescopic ejector rod of the second driving cylinder is fixed on the frame, the cylinder body of the second driving cylinder is a driving piece of the second driving cylinder, the rack rod and the rubber tube fixing device are fixed on the cylinder body of the second driving cylinder, and the adsorption surface is a plane of the cylinder body of the second driving cylinder. As the preferable scheme of the utility model, the cylinder body of the second driving cylinder is a driving piece of the second driving cylinder, and a rack rod, a rubber tube fixing device and an adsorption surface are conveniently arranged on the driving piece. If the telescopic ejector rod is provided with the rack rod, the rubber tube fixing device and the adsorption surface, a connecting block is required to be additionally arranged, and the cylinder body with a complex structure is also required to be arranged above the telescopic ejector rod. Therefore, the manufacturing cost is saved, and the compactness of the utility model is improved. In addition, the principle is the same with linear bearing and slide bar on the second riser, the side of second actuating cylinder body near the frame and the corresponding department of frame also can install linear bearing and slide bar respectively to improve the stability of second actuating cylinder drive rubber tube fixing device and rack bar.
Further, the efficient rubber tube printing device comprises a seat plate, a pair of fixing plates and a pressing head are fixed below the seat plate, trepanning is arranged on the fixing plates in a penetrating mode, and the pressing head is arranged between the pair of fixing plates. As a preferred scheme of the utility model, the rubber tube to be printed passes through a pair of sleeve holes, a section of rubber tube between the fixed plates is the section to be printed, when one-time printing is finished, the rubber tube is only pulled, the printing section is moved out of the rubber tube fixing device, and the unprinted area of the rubber tube can enter the area to be printed of the rubber tube fixing device to wait for the next printing. The pressing head is used for pressing down the rubber tube, so that the rubber tube is ensured to be fully contacted with the transfer printing head.
Further, in the efficient rubber tube printing device, the pressing head is provided with the opening circular arc containing cavity which is matched with the shape of the rubber tube to be printed, the opening of the opening circular arc containing cavity faces downwards, and the range of the central angle corresponding to the opening circular arc containing cavity is 200-250 degrees. As the preferable scheme of the utility model, the opening circular arc containing cavity is arranged, on one hand, the lamination positioning of the downward pressing is facilitated, on the other hand, the range of the central angle corresponding to the opening circular arc containing cavity is 200-250 degrees, the lower end of the rubber pipe can be ensured to be blocked by the opening of the opening circular arc containing cavity, and the rubber pipe cannot fall out of the opening circular arc containing cavity in the moving process.
The technical scheme can be seen that the utility model has the following beneficial effects:
1. the utility model provides a high-efficiency rubber tube printing device and a working method thereof, which are simple in positioning control, and the upper printing plate part and the rubber tube fixing device are respectively controlled to move up and down by a first driving cylinder and a second driving cylinder so as to finish the transfer printing of printing patterns between a printing plate and a rubber tube to be printed and a transfer printing head. Therefore, the efficient rubber tube printing device has the advantages of short moving stroke, simple positioning control and capability of improving transfer printing efficiency, and in addition, the whole structure is longitudinally arranged, so that the efficient rubber tube printing device is compact in structure and can improve space utilization rate.
2. The utility model provides a high-efficiency type rubber tube printing device, which completes the sharing of a transfer printing part and a rubber tube fixing device driving device by utilizing a free-running section structure of a rack bar, wherein the primary ejection and resetting operation of a second driving cylinder is completed, the transfer printing part and the rubber tube fixing device respectively complete all strokes, the positioning control of the turnover of the transfer printing part is completely omitted, the cost of additionally arranging the transfer printing part driving device is saved, the step control of the action coordination of the transfer printing part and the rubber tube fixing device is correspondingly omitted, the rubber tube printing efficiency is further improved, and in addition, a mechanical coordination control method is adopted, and the coordination stability is higher.
Drawings
FIG. 1 is a front plan view of a high efficiency hose printing device according to the present utility model;
FIG. 2 is a cross-sectional view taken in the direction of FIG. 1 A-A;
FIG. 3 is a cross-sectional view taken along the direction of FIG. 1B-B;
FIG. 4 is a cross-sectional view taken along the direction of FIG. 1C-C;
fig. 5 is a schematic working diagram of the efficient rubber tube printing device according to the utility model.
In the figure: 1-inking plate part; 11-a mounting base; 111-a first riser; 112-a second riser; 1121-a linear bearing; 113-a transverse plate; 12-printing plate; 13-a third drive cylinder; a 2-transfer section; 21-a transfer head; 3-a rubber tube fixing device; 31-seat board; 32-a fixed plate; 321-trepanning; 33-pressing head; 331-an open circular arc cavity; 4-a frame; 41-gear shaft; 42-sliding bar; 51-rack bar; 511-a rack segment; 512-idle section; 52-a first drive cylinder; 53-a second drive cylinder; 530-adsorption surface; 6-permanent magnet.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
Examples
An efficient flexographic printing device as shown in connection with fig. 1-4, comprising: the printing device comprises an inking printing plate part 1, a transfer printing part 2, a rubber tube fixing device 3 and a frame 4, wherein a printing plate 12 is arranged on the inking printing plate part 1, a transfer printing head 21 is arranged on the transfer printing part 2, the transfer printing part 2 is rotationally connected to the frame 4, the inking printing plate part 1 is arranged below the transfer printing part 2, and the rubber tube fixing device 3 is arranged above the transfer printing part 2; the transfer printing device further comprises a rotary driving device, a first driving cylinder 52 and a second driving cylinder 53, wherein the rotary driving device is in transmission connection with the transfer printing part 2, and can drive the transfer printing part 2 to rotate to two working positions of the transfer printing head 21, which face the inking plate part 1 and the rubber tube fixing device 3; the first driving cylinder 52 is connected with the inking plate part 1 and the frame 4, and the first driving cylinder 52 can drive the inking plate part 1 to move towards the transfer part 2; the second driving cylinder 53 is connected to the hose fixing device 3 and the frame 4, and the second driving cylinder 53 can drive the hose fixing device 3 to move toward the transfer part 2.
Based on the above structure, referring to fig. 5, the working method of the efficient rubber tube printing device according to the embodiment includes the following steps:
s1: the transfer head 21 is directed downward;
s2: fixing the rubber tube to be printed on the rubber tube fixing device 3;
s3: when the inking plate part 1 finishes the operations of ink scattering and ink scraping on the printing plate, the first driving cylinder 52 drives the inking plate part 1 to move upwards until the printing plate 12 contacts with the transfer printing head 21, and the first driving cylinder 52 drives the inking plate part 1 to reset;
s4: driving the transfer head 21 to rotate upwards by the rotation driving device until the transfer head 21 faces upwards;
s5: the second driving cylinder 53 drives the rubber tube fixing device 3 to drive the rubber tube to be printed to move downwards until the rubber tube contacts the transfer printing head 21, and the second driving cylinder 53 drives the rubber tube fixing device 3 to reset;
s6: the rotation driving device drives the transfer head 21 to rotate downwards until the transfer head 21 faces downwards;
s7: removing the printed rubber tube from the rubber tube fixing device 3;
s8: s2 to S7 are repeated.
The high-efficiency rubber tube printing device of this embodiment, wherein the transfer printing head 21 corresponds to the printing head in the "rubber tube transfer printing mechanism" disclosed in the chinese patent application No. 201721677735.3. The movement method of the transfer printing head 21 is that the transfer printing head 21 is turned 180 degrees through a rotary driving device, so that the movement stroke of the transfer printing head 21 is completed, the positioning control is simple, the inking plate part 1 and the rubber tube fixing device 3 are respectively controlled to move up and down through the first driving cylinder 52 and the second driving cylinder 53, and the transfer printing of the printing pattern between the printing plate 12 and the rubber tube to be printed and the transfer printing head 21 is completed. Therefore, the efficient rubber tube printing device has the advantage of short moving stroke, is simple in positioning control, can improve transfer printing efficiency, and is compact in structure and capable of improving space utilization, and in addition, the whole structure is longitudinally arranged.
In this embodiment, the inking plate part 1 comprises a mounting seat 11, a plate 12 and a third driving cylinder 13; the mounting seat 11 comprises a first vertical plate 111, a second vertical plate 112 and a transverse plate 113, the first vertical plate 111 and the second vertical plate 112 are respectively fixed at two ends of the length direction of the transverse plate 113, the printing plate 12 is fixed on the transverse plate 113, a cylinder body of the third driving cylinder 13 is arranged on one side, away from the transverse plate 113, of the second vertical plate 112, a telescopic ejector rod of the third driving cylinder 13 is arranged on the second vertical plate 112 in a penetrating manner, and the ejector rod of the third driving cylinder 13 is connected with an ink fountain (not shown) and a scraping plate (not shown) which are arranged above the printing plate 12. The structure of the inking plate part 1 and the principle of inking the printing plate are similar to a rubber tube pad printing mechanism disclosed in the Chinese patent application No. 201721677735.3, wherein the third driving cylinder 13 corresponds to the driving cylinder in the patent document, and the ink fountain and the scraping plate are driven by the third driving cylinder 13 ejector rod to finish the inking operation on the printing plate 12. The cylinder body of the first driving cylinder 52 is fixed on the mounting seat 11, and the telescopic ejector rod of the first driving cylinder 52 is fixed on the frame 4. In addition, the cylinder body of the first driving cylinder 52 is fixed on the mounting seat 11, and compared with the mode that the ejector rod is connected to the mounting seat 11, a connecting block is not needed to be additionally arranged, the novel structure has the advantage of being simple in connecting structure, and in addition, the compactness of space is improved. In this embodiment, the cylinder body of the first driving cylinder 52 is fixed on the side of the second riser 112 away from the transverse plate 113, the cylinder body of the first driving cylinder 52 is above the third driving cylinder 13, and the telescopic rod end of the first driving cylinder 52 faces upwards. The second riser 112 belongs to the middle section of the inking plate part 1, and the cylinder body of the first driving cylinder 52 is fixed on the upper extension surface of the second riser 112, so that the overall stability is good, and the overall structure is compact. In addition, in this embodiment, a pair of sliding rods 42 are fixedly disposed on the frame 4, a pair of linear bearings 1121 are fixedly disposed on the second vertical plate 112 corresponding to the sliding rods 42, the cylinder body of the first driving cylinder 52 is fixed between the pair of linear bearings 1121, and the linear bearings 1121 are sleeved on the sliding rods 42. With the above structure, the stability of the first driving cylinder 52 to drive the inking plate part 1 to move up and down is improved.
Further, the gear shaft 41 is rotatably arranged on the frame 4, the transfer printing portion 2 is fixed on the gear shaft 41, the rotary driving device comprises a rack rod 51, a rack section 511 is arranged on the rack rod 51, the rack section 511 is in meshed connection with the gear shaft 41, and the rack section 511 can drive the gear shaft 41 to rotate 180 degrees. The transfer printing part 2 is driven to rotate by adopting a rack-and-pinion transmission mode, the number of teeth of the rack section 511 can control the rotation angle of the gear shaft 41, and therefore the accuracy of positioning the rotation position of the transfer printing head 21 can be ensured. In addition, in the present embodiment, the rack bar 51 further includes a free-running section 512, the free-running section 512 is disposed above the rack section 511, and the rack bar 51 and the hose fixing device 3 are fixed on the driving member of the second driving cylinder 53; when the second driving cylinder 53 drives the rack bar 51 to move downward, the rack section 511 drives the gear shaft 41 to rotate upward when the rack section 511 moves downward through the horizontal plane of the axis of the gear shaft 41, and the gear shaft 41 is stationary when the space section 512 moves downward through the horizontal plane of the axis of the gear shaft 41.
Based on the above configuration, the rotary driving device that drives the transfer head 21 and the driving device that drives the hose fixing device 3 share one second driving cylinder 53. In the process of transferring the transfer head 21 to the rubber tube, the rack bar 51 is driven by the second driving cylinder 53, the 180-degree turnover of the transfer head 21 is completed through the rack section 511 passing through the axis horizontal plane of the gear shaft 41, and the rubber tube to be printed fixed on the rubber tube fixing device 3 moves downwards synchronously at the moment; when the rack section 511 completely passes through the horizontal plane of the axis of the gear shaft 41, the transfer head 21 rotates upwards, at this time, the rubber tube to be printed and the transfer head 21 still keep a distance, and when the rack rod 51 continues to move downwards, the idle stroke section 512 passes through the horizontal plane of the axis of the gear shaft 41, at this time, the transfer head 21 keeps still, and the rubber tube to be printed fixed on the rubber tube fixing device 3 continues to move downwards until the rubber tube to be printed contacts with the transfer head 21 to finish printing. When the second driving cylinder 53 is reset, the rubber tube fixing device 3 and the transfer printing part 2 are reset at the same time. Therefore, the efficient rubber tube printing device in this embodiment completes the sharing of the driving device of the transfer printing portion 2 and the rubber tube fixing device 3 by using the idle stroke section 512 structure of the rack bar 51, the primary ejection and resetting operations of the second driving cylinder 53, the transfer printing portion 2 and the rubber tube fixing device 3 complete all the respective strokes respectively, the positioning control of the turnover of the transfer printing portion 2 is completely omitted, the cost of additionally arranging the driving device of the transfer printing portion 2 is saved, the step control of the action matching of the transfer printing portion 2 and the rubber tube fixing device 3 is correspondingly omitted, the efficiency of rubber tube printing is further improved, and in addition, a mechanical matching control method is adopted, and the matching stability is higher.
In addition, the transfer device further comprises a permanent magnet 6, the permanent magnet 6 is fixed on the transfer part 2, an adsorption surface 530 is arranged on a driving member of the second driving cylinder 53 corresponding to the permanent magnet 6, when the transfer part 2 rotates to the upper side of the transfer head 21 through the rack rod 51, the permanent magnet 6 is magnetically adsorbed and connected with the adsorption surface 530 on the driving member of the second driving cylinder 53, and after the idle section 512 moves downwards through the horizontal plane of the axis of the gear shaft 41, the permanent magnet 6 slides and is magnetically adsorbed and connected with the adsorption surface 530. Because the rack segment 511 is under-positioned in the circumferential direction of the gear shaft 41 after being moved out of the horizontal plane of the axis of the gear shaft 41, there is a risk that the transfer portion 2 is turned to both sides. Therefore, by providing the permanent magnet 6, the transfer portion 2 is attracted to the attraction surface 530 by the permanent magnet 6, ensuring that the transfer portion 2 is in the vertical position after the rack segment 511 is moved out of the axis horizontal plane of the gear shaft 41.
In this embodiment, the telescopic ejector rod of the second driving cylinder 53 is fixed on the frame 4, the cylinder body of the second driving cylinder 53 is a driving member of the second driving cylinder 53, the rack rod 51 and the rubber tube fixing device 3 are fixed on the cylinder body of the second driving cylinder 53, and the adsorption surface 530 is a plane of the cylinder body of the second driving cylinder 53. The cylinder body of the second driving cylinder 53 is a driving piece of the second driving cylinder 53, and the rack bar 51, the rubber tube fixing device 3 and the adsorption surface 530 are conveniently arranged on the driving piece. If the rack bar 51, the rubber tube fixing device 3 and the adsorption surface 530 are arranged on the telescopic ejector rod, a connecting block is needed to be additionally arranged, and the cylinder body with a complex structure is also needed to be arranged above the telescopic ejector rod. Therefore, the manufacturing cost is saved, and the compactness of the embodiment is improved. In addition, as the principle of the linear bearing 1121 and the sliding rod 42 on the second riser 112 is the same, the linear bearing and the sliding rod may be installed on the side of the second driving cylinder 53 close to the frame 4 and the corresponding position of the frame 4, so as to improve the stability of the second driving cylinder 53 for driving the rubber tube fixing device 3 and the rack bar 51.
Further, in this embodiment, the hose fixing device 3 includes a seat plate 31, a pair of fixing plates 32 and a pressing head 33 are fixed below the seat plate 31, a sleeve hole 321 is formed in the fixing plate 32, and the pressing head 33 is disposed between the pair of fixing plates 32. In operation, the rubber tube to be printed passes through the pair of sleeve holes 321, a section of rubber tube between the fixing plates 32 is the section to be printed, when one-time printing is completed, the rubber tube is pulled, the printing section is moved out of the rubber tube fixing device 3, and the unprinted area of the rubber tube can enter the area to be printed of the rubber tube fixing device 3 to wait for the next printing. Wherein the pressing head 33 is used for pressing down the rubber tube, so as to ensure that the rubber tube is fully contacted with the transfer printing head 21. In addition, the pressing head 33 is provided with an opening circular arc containing cavity 331 which is adapted to the shape of the rubber tube to be printed, the opening circular arc containing cavity 331 is downward opened, and the central angle corresponding to the opening circular arc containing cavity 331 is in the range of 200 degrees to 250 degrees. The opening circular arc containing cavity 331 is arranged, so that on one hand, pressing fit positioning is facilitated, on the other hand, the range of a central angle corresponding to the opening circular arc containing cavity 331 is 200-250 degrees, the lower end of the rubber pipe can be ensured to be clamped by the opening of the opening circular arc containing cavity 331, and the rubber pipe cannot fall out of the opening circular arc containing cavity 331 in the moving process.
The technical principles of the present utility model have been described above in connection with specific embodiments, which are provided for the purpose of explaining the principles of the present utility model and are not to be construed as limiting the scope of the present utility model in any way. Other embodiments of the utility model will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The utility model provides a high-efficient formula rubber tube printing device which characterized in that: the printing ink comprises an inking printing plate part (1), a transfer printing part (2), a rubber tube fixing device (3) and a rack (4), wherein a printing plate (12) is arranged on the inking printing plate part (1), a transfer printing head (21) is arranged on the transfer printing part (2), the transfer printing part (2) is rotationally connected to the rack (4), the inking printing plate part (1) is arranged below the transfer printing part (2), and the rubber tube fixing device (3) is arranged above the transfer printing part (2); the transfer printing device further comprises a rotary driving device, a first driving cylinder (52) and a second driving cylinder (53), wherein the rotary driving device is in transmission connection with the transfer printing part (2), and the rotary driving device can drive the transfer printing part (2) to rotate to two working positions of the transfer printing head (21) facing the inking plate part (1) and the rubber tube fixing device (3); the first driving cylinder (52) is connected with the inking plate part (1) and the rack (4), and the first driving cylinder (52) can drive the inking plate part (1) to move towards the transfer part (2); the second driving cylinder (53) is connected with the rubber tube fixing device (3) and the frame (4), and the second driving cylinder (53) can drive the rubber tube fixing device (3) to move towards the transfer printing part (2);
the rotary transfer printing device is characterized in that a gear shaft (41) is rotatably arranged on the frame (4), the transfer printing part (2) is fixed on the gear shaft (41), the rotary drive device comprises a rack rod (51), a rack section (511) is arranged on the rack rod (51), the rack section (511) is in meshed connection with the gear shaft (41), and the rack section (511) can drive the gear shaft (41) to rotate for 180 degrees; the rack rod (51) further comprises a free-running section (512), the free-running section (512) is arranged above the rack section (511), and the rack rod (51) and the rubber tube fixing device (3) are fixed on a driving piece of the second driving cylinder (53); when the second driving cylinder (53) drives the rack rod (51) to move downwards, the rack section (511) drives the gear shaft (41) to rotate upwards when the rack section (511) moves downwards to pass through the axis horizontal plane of the gear shaft (41), and the gear shaft (41) is stationary when the idle section (512) moves downwards to pass through the axis horizontal plane of the gear shaft (41); still include permanent magnet (6), permanent magnet (6) are fixed on transfer printing portion (2), correspond permanent magnet (6) be equipped with adsorption surface (530) on the driving piece of second actuating cylinder (53), when transfer printing portion (2) pass through rack bar (51) and change to transfer printing head (21) orientation top, adsorption surface (530) on permanent magnet (6) and second actuating cylinder (53) driving piece are magnetic adsorption and are connected, idle running section (512) move down behind gear shaft (41) axis horizontal plane, permanent magnet (6) produce slip and magnetic adsorption connection with adsorption surface (530).
2. The efficient hose printing device of claim 1, wherein: the inking plate part (1) comprises a mounting seat (11), a printing plate (12) and a third driving cylinder (13); the mounting seat (11) comprises a first vertical plate (111), a second vertical plate (112) and a transverse plate (113), wherein the first vertical plate (111) and the second vertical plate (112) are respectively fixed at two ends of the length direction of the transverse plate (113), the printing plate (12) is fixed on the transverse plate (113), a cylinder body of a third driving cylinder (13) is arranged on one side, far away from the transverse plate (113), of the second vertical plate (112), a telescopic ejector rod of the third driving cylinder (13) is arranged on the second vertical plate (112) in a penetrating mode, and an ejector rod of the third driving cylinder (13) is connected with an ink fountain and a scraping plate which are arranged above the printing plate (12).
3. A high efficiency hose printing device according to claim 2, wherein: the cylinder body of the first driving cylinder (52) is fixed on the mounting seat (11), and the telescopic ejector rod of the first driving cylinder (52) is fixed on the frame (4).
4. The efficient hose printing device of claim 1, wherein: the telescopic ejector rod of the second driving cylinder (53) is fixed on the frame (4), the cylinder body of the second driving cylinder (53) is a driving piece of the second driving cylinder (53), the rack rod (51) and the rubber tube fixing device (3) are fixed on the cylinder body of the second driving cylinder (53), and the adsorption surface (530) is a plane of the cylinder body of the second driving cylinder (53).
5. The efficient hose printing device of claim 1, wherein: the rubber tube fixing device (3) comprises a seat plate (31), a pair of fixing plates (32) and a pressing head (33) are fixed below the seat plate (31), trepanning (321) is arranged on the fixing plates (32) in a penetrating mode, and the pressing head (33) is arranged between the pair of fixing plates (32).
6. The efficient hose printing device of claim 5, wherein: the pressing head (33) is provided with an opening arc containing cavity (331) which is suitable for the shape of the rubber tube to be printed, the opening of the opening arc containing cavity (331) faces downwards, and the central angle corresponding to the opening arc containing cavity (331) is any angle between 200 degrees and 250 degrees.
7. A method of operating a high efficiency flexographic printing device according to any of claims 1 to 6, wherein: the method comprises the following steps:
s1: the transfer head (21) faces downward;
s2: fixing a rubber tube to be printed on a rubber tube fixing device (3);
s3: when the inking plate part (1) finishes the operations of ink scattering and ink scraping on the printing plate, the first driving cylinder (52) drives the inking plate part (1) to move upwards until the printing plate (12) is contacted with the transfer printing head (21), and the first driving cylinder (52) drives the inking plate part (1) to reset;
s4: driving the transfer head (21) to rotate upwards by the rotary driving device until the transfer head (21) faces upwards;
s5: the second driving cylinder (53) drives the rubber tube fixing device (3) to drive the rubber tube to be printed to move downwards until the rubber tube contacts the transfer printing head (21), and the second driving cylinder (53) drives the rubber tube fixing device (3) to reset;
s6: the rotary driving device drives the transfer printing head (21) to rotate downwards until the transfer printing head (21) faces downwards;
s7: removing the printed rubber tube from the rubber tube fixing device (3);
s8: s2 to S7 are repeated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347241.8A CN114701251B (en) | 2022-04-01 | 2022-04-01 | Efficient rubber tube printing device and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210347241.8A CN114701251B (en) | 2022-04-01 | 2022-04-01 | Efficient rubber tube printing device and working method thereof |
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| Publication Number | Publication Date |
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| CN114701251A CN114701251A (en) | 2022-07-05 |
| CN114701251B true CN114701251B (en) | 2023-10-27 |
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| Application Number | Title | Priority Date | Filing Date |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH670600A5 (en) * | 1986-09-22 | 1989-06-30 | Teca Print Ag | Printing machine with spherical printing plug - has plug lowered towards inking plate then swung upwards into contact with article on overhead conveyor |
| CN2079789U (en) * | 1990-10-02 | 1991-06-26 | 林良弘 | Lettering box for wire |
| US6931988B1 (en) * | 2004-02-20 | 2005-08-23 | Illinois Tool Works, Inc. | Rotary head pad printer |
| WO2009153685A2 (en) * | 2008-06-21 | 2009-12-23 | Itw Morlock Gmbh | Pad printing machine |
| CN103240967A (en) * | 2013-05-30 | 2013-08-14 | 昆山欧莱特印刷机械工业有限公司 | Novel rubber head device of pad printing machine |
| CN207697255U (en) * | 2017-12-06 | 2018-08-07 | 太仓通利机械设备有限公司 | Rubber tube transfer printing mechanism |
| CN111619212A (en) * | 2020-06-11 | 2020-09-04 | 张艳梅 | Batch printing equipment for inner bottoms of porcelain bowls |
-
2022
- 2022-04-01 CN CN202210347241.8A patent/CN114701251B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH670600A5 (en) * | 1986-09-22 | 1989-06-30 | Teca Print Ag | Printing machine with spherical printing plug - has plug lowered towards inking plate then swung upwards into contact with article on overhead conveyor |
| CN2079789U (en) * | 1990-10-02 | 1991-06-26 | 林良弘 | Lettering box for wire |
| US6931988B1 (en) * | 2004-02-20 | 2005-08-23 | Illinois Tool Works, Inc. | Rotary head pad printer |
| WO2009153685A2 (en) * | 2008-06-21 | 2009-12-23 | Itw Morlock Gmbh | Pad printing machine |
| CN103240967A (en) * | 2013-05-30 | 2013-08-14 | 昆山欧莱特印刷机械工业有限公司 | Novel rubber head device of pad printing machine |
| CN207697255U (en) * | 2017-12-06 | 2018-08-07 | 太仓通利机械设备有限公司 | Rubber tube transfer printing mechanism |
| CN111619212A (en) * | 2020-06-11 | 2020-09-04 | 张艳梅 | Batch printing equipment for inner bottoms of porcelain bowls |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114701251A (en) | 2022-07-05 |
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