CN110936704B - Printing mechanism and fan-shaped screen printing machine - Google Patents
Printing mechanism and fan-shaped screen printing machine Download PDFInfo
- Publication number
- CN110936704B CN110936704B CN201911415579.7A CN201911415579A CN110936704B CN 110936704 B CN110936704 B CN 110936704B CN 201911415579 A CN201911415579 A CN 201911415579A CN 110936704 B CN110936704 B CN 110936704B
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- fan
- swinging
- shaped
- printing
- moving device
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- 238000007639 printing Methods 0.000 title claims abstract description 114
- 238000007650 screen-printing Methods 0.000 title claims description 10
- 230000005540 biological transmission Effects 0.000 claims abstract description 44
- 238000007790 scraping Methods 0.000 claims abstract description 36
- 238000007599 discharging Methods 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 6
- 239000002537 cosmetic Substances 0.000 abstract description 37
- 239000003973 paint Substances 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 10
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000005452 bending Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/34—Screens, Frames; Holders therefor
- B41F15/38—Screens, Frames; Holders therefor curved
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/16—Printing tables
- B41F15/18—Supports for workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F15/00—Screen printers
- B41F15/14—Details
- B41F15/44—Squeegees or doctors
- B41F15/46—Squeegees or doctors with two or more operative parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Screen Printers (AREA)
Abstract
The invention discloses a printing mechanism and a fan-shaped screen printer, wherein the printing mechanism comprises a frame, a printing screen, a first moving device and a first fan-shaped swinging device, wherein the first moving device and the first fan-shaped swinging device are arranged on the frame, the first fan-shaped swinging device is positioned below the first moving device, a scraping head is arranged on the first moving device and driven by the first moving device to transversely move along the printing screen, the printing screen is positioned below the scraping head, the swinging end of the first fan-shaped swinging device is provided with a stroke for transversely performing first fan-shaped movement along the printing screen, and the swinging end of the first fan-shaped swinging device is in transmission connection with the printing screen. The pattern that can make the scraping head paint on the cosmetic bottle is first fan-shaped, and the printing precision is high, and the operation is stable. The invention is applied to the technical field of printing.
Description
Technical Field
The invention relates to the technical field of printing, in particular to a printing mechanism and a fan-shaped screen printing machine.
Background
In the printing of cosmetic bottles, it is necessary to print labels on the cosmetic bottles, and in the prior art, generally only a straight pattern is printed along the circumferential direction of the cosmetic bottles.
The patent document with the application number of CN201621292469.8 discloses an automatic screen printing machine for printing round table-shaped products, which comprises a machine table and a clamping device for clamping the printed products and rotating, wherein a screen device for driving a printing screen frame to make fan-shaped swing is arranged above the clamping device, and the machine table is fixedly provided with a scraper device for contacting with the printing screen frame; the clamping device is connected with the machine table in an up-down sliding manner.
The solution in the above patent document is capable of printing a sector pattern, but the printing is not accurate enough and the running is not stable enough.
Disclosure of Invention
The invention mainly aims to provide a printing mechanism and a fan-shaped screen printing machine, which can enable a pattern painted on a cosmetic bottle by a scraping head to be a first fan shape, and have high printing precision and stable operation.
In order to achieve the above purpose, the invention provides a printing mechanism, which comprises a frame, a printing screen, a first moving device and a first fan-shaped swinging device, wherein the first moving device and the first fan-shaped swinging device are arranged on the frame, the first fan-shaped swinging device is positioned below the first moving device, a scraping head is arranged on the first moving device, the scraping head is driven by the first moving device to transversely move along the printing screen, the printing screen is positioned below the scraping head, the swinging end of the first fan-shaped swinging device is provided with a stroke for transversely performing first fan-shaped movement along the printing screen, and the swinging end of the first fan-shaped swinging device is in transmission connection with the printing screen.
Further improved, the printing mechanism further comprises a second fan-shaped swinging device, the second fan-shaped swinging device is located below the first moving device, the swinging end of the second fan-shaped swinging device is provided with a stroke for transversely performing second fan-shaped movement along the printing screen, the first fan-shaped swinging device is opposite to the second fan-shaped swinging device, and the swinging end of the first fan-shaped swinging device or the swinging end of the second fan-shaped swinging device is detachably connected with the printing screen. The invention can drive the printing screen to swing along the printing screen by the second fan-shaped swinging device, wherein the first fan-shaped and the second fan-shaped are opposite fan-shaped, namely, the first fan-shaped and the second fan-shaped are opposite fan-shaped with the bending direction. Similarly, the second fan-shaped swinging of the printing screen and the transverse movement of the scraping head along the printing screen are overlapped, so that the pattern painted on the cosmetic bottle by the scraping head can be the second fan-shaped pattern. Wherein the printing screen can only be connected with the first fan-shaped swinging device or the second fan-shaped swinging device, thereby obtaining the superposition result of two different actions.
The first fan-shaped swinging device comprises two rotating rods, a swinging rod and a first sliding rod, a second moving device is further arranged on the frame, a first mounting seat is arranged on the second moving device in a transmission mode, the first mounting seat and the second moving device are both located below the first moving device, and the second moving device transversely moves along the printing screen;
two dwang slides and establishes on first mount pad, and the one end of two dwang passes through the second mount pad and rotates with printing screen plate and link to each other, and the other end slip cap of two dwang is equipped with first connecting block, and two dwang pass through first connecting block transmission and link to each other, the one end of swinging arms can be dismantled and rotate and connect on first mobile device, the other end sliding connection of swinging arms is on first connecting block, the one end slip of first slide bar is established on first mount pad, the other end of first slide bar rotates and connects on the second mount pad. When the second moving device drives the first mounting seat to transversely move along the printing screen, the two rotating rods, the swinging rod and the first sliding rod rotate by taking the rotating connection point of the swinging rod and the first moving device as a fulcrum, so that the scraping head arranged on the second mounting seat swings in a first fan shape. The radian and the shape of the first fan shape can be roughly adjusted by adjusting the positions of the first connecting blocks on the two rotating rods.
Further improved, the second fan-shaped swinging device comprises a second sliding rod and a second connecting block, the second connecting block is slidably sleeved at the middle parts of the two rotating rods, one end of the swinging rod is detachably and rotatably connected to the first moving device or the second connecting block is detachably and rotatably connected with the frame, and the second sliding rod is simultaneously slidably arranged on the frame and the second connecting block. When the second fan-shaped swinging device is required to be connected with the rack, the first fan-shaped swinging device is disconnected with the first moving device, and in particular, the swinging rod is connected with the rack. When the second moving device drives the first mounting seat to transversely move along the printing screen, the two rotating rods, the first sliding rod and the second sliding rod rotate by taking the rotating connection point of the second connecting block and the frame as a fulcrum, so that the scraping head arranged on the second mounting seat swings in a first fan shape. The radian and the shape of the second fan shape can be roughly adjusted by adjusting the positions of the second connecting blocks on the two rotating rods.
Further improved, the first moving device is further provided with a first fixing seat and a first screw rod, a first sliding block is arranged on the first fixing seat in a sliding mode, the first screw rod is rotatably arranged on the first fixing seat, the first sliding block is further sleeved on the first screw rod in a sliding mode, and one end of the swinging rod is detachably and rotatably connected with the first sliding block. The radian and the shape of the first fan shape can be finely adjusted by adjusting the position of the first sliding block on the first screw rod.
Further improved, the first fixing seat is also provided with a first digital display, and the first screw rod is also rotatably inserted in the first digital display. The adjustment displacement of the first slider can be displayed by the first digital display.
Further improved, the rack is also provided with a second fixing seat and a second screw rod, a second sliding block is arranged on the second fixing seat in a sliding manner, the second screw rod is rotationally arranged on the second fixing seat, the second sliding block is further sleeved on the second screw rod in a sliding manner, and the second connecting block and the second sliding block are detachably and rotationally connected. The radian and shape of the second fan shape can be finely adjusted by adjusting the position of the second sliding block on the second screw rod.
Further improved, the second fixing seat is also provided with a second digital display, and the second screw rod is also rotatably inserted in the second digital display. The adjustment displacement of the second slider can be displayed by the second digital display.
The first moving device comprises a first driving element, a third fixing seat, a third screw rod and a third sliding block, wherein the third fixing seat is arranged on the frame, the third screw rod is transversely and rotatably arranged on the third fixing seat along the printing screen, the third sliding block is slidably arranged on the third fixing seat, the third sliding block is further in transmission sleeved on the third screw rod, the first driving element is in transmission connection with the third screw rod, and the scraping head is arranged on the third sliding block; the first driving element drives the third screw rod to rotate, so that the third sliding block moves along the third screw rod, and the third sliding block drives the scraping head to move transversely along the printing screen. Wherein the first driving element is a servo motor.
The second moving device comprises a second driving element, a fourth fixing seat, a fourth screw rod and a fourth sliding block, wherein the fourth fixing seat is arranged on the frame, the fourth fixing seat is located below the third fixing seat, the fourth screw rod is arranged on the fourth fixing seat in a transverse rotating mode along the printing screen, the fourth sliding block is arranged on the fourth fixing seat in a sliding mode, the fourth sliding block is further arranged on the fourth screw rod in a transmission mode in a sleeved mode, the second driving element is connected with the fourth screw rod in a transmission mode, and the first mounting seat is arranged on the fourth sliding block. The second driving element drives the fourth screw rod to rotate, so that the fourth sliding block moves along the fourth screw rod, and the fourth sliding block drives the first mounting seat to move transversely along the printing screen. Wherein the second driving element is a servo motor.
The invention also discloses a sector screen printer, which adopts the following technical scheme:
A fan-shaped screen printing machine comprises a feeding assembly line, a pre-positioning mechanism, a swinging taper mechanism, the printing mechanism and a discharging assembly line which are sequentially arranged and in butt joint along the assembly line processing direction, wherein the printing screen is in butt joint with the discharging assembly line and the swinging taper mechanism respectively. The feeding assembly line is used for conveying cosmetic bottles to be printed, the cosmetic bottles are initially positioned at the pre-positioning mechanism, the upper surfaces of the cosmetic bottles are leveled at the swinging taper mechanism, then the printing mechanism is used for printing, and after printing is finished, the cosmetic bottles are conveyed out through the discharging assembly line.
Compared with the prior art, the technical scheme of the invention has the beneficial effects that:
When the printing mechanism is used for printing the cosmetic bottle, the cosmetic bottle is longitudinally fixed on the printing screen plate along the printing screen plate, the first moving device drives the scraping head to transversely move along the printing screen plate, the scraping head can paint patterns along the circumferential direction of the cosmetic bottle, the first fan-shaped swinging device drives the printing screen plate to transversely do first fan-shaped swinging along the scraping head while the scraping head paint patterns, and the first fan-shaped swinging of the printing screen plate and the scraping head transversely move along the printing screen plate are overlapped, so that the patterns painted on the cosmetic bottle by the scraping head are the first fan-shaped patterns, the printing precision is high, and the operation is stable.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fan-shaped screen printer;
FIG. 2 is a schematic diagram of a fan-shaped screen printer;
FIG. 3 is a schematic diagram of a printing mechanism;
FIG. 4 is a schematic diagram of a printing mechanism;
FIG. 5 is a schematic diagram III of a printing mechanism;
FIG. 6 is a schematic diagram of a printing mechanism;
FIG. 7 is a schematic diagram of a printing mechanism;
FIG. 8 is a schematic diagram of a rocking taper mechanism;
FIG. 9 is a schematic diagram of a second embodiment of a rocking mechanism;
fig. 10 is a diagram of the connection relationship among the second base, the second transmission screw, the second servo motor and the second slide in the swinging taper mechanism.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
It should be noted that all directional indicators such as up, down, left, right, front, and rear … … in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.
Referring to fig. 1 to 10, a printing mechanism includes a frame 1, a printing screen 2, a first moving device 3 and a first fan-shaped swinging device 4, wherein the first moving device 3 and the first fan-shaped swinging device 4 are both disposed on the frame 1, the first fan-shaped swinging device 4 is disposed below the first moving device 3, a scraping head 31 is disposed on the first moving device 3, the scraping head 31 is driven by the first moving device 3 to move transversely along the printing screen 2, the printing screen 2 is disposed below the scraping head 31, a swinging end of the first fan-shaped swinging device 4 has a stroke for moving transversely along the printing screen 2 in a fan-shaped 201, and a swinging end of the first fan-shaped swinging device 4 is connected with the printing screen 2 in a transmission manner.
When the printing mechanism of the embodiment prints the cosmetic bottle, the cosmetic bottle is longitudinally fixed on the printing screen 2 along the printing screen 2, the first moving device 3 drives the scraping head 31 to transversely move along the printing screen 2, the scraping head 31 can circumferentially paint patterns along the cosmetic bottle, the first fan-shaped swinging device 4 drives the printing screen 2 to transversely do the first fan-shaped 201 swinging along the scraping head 31 while the scraping head 31 paints patterns, and the first fan-shaped 201 swinging of the printing screen 2 and the scraping head 31 are overlapped along the transverse movement of the printing screen 2, so that the patterns painted on the cosmetic bottle by the scraping head 31 are the first fan-shaped 201.
In this embodiment, as a further improvement of the above technical solution, a printing mechanism further includes a second fan-shaped swinging device 5, where the second fan-shaped swinging device 5 is located below the first moving device 3, a swinging end of the second fan-shaped swinging device 5 has a stroke for transversely moving the second fan-shaped 202 along the printing screen 2, the first fan-shaped 201 is opposite to the second fan-shaped 202, and a swinging end of the first fan-shaped swinging device 4 or a swinging end of the second fan-shaped swinging device 5 is detachably connected with the printing screen 2. In this embodiment, the second fan-shaped swinging device 5 may further drive the printing screen to swing along the printing screen 2 by the second fan-shaped swinging device 202, where the first fan-shaped part 201 and the second fan-shaped part 202 are opposite fan-shaped parts, that is, the first fan-shaped part 201 and the second fan-shaped part 202 are opposite in bending direction. Similarly, the second fan 202 of the printing screen 2 is swung and the doctor head 31 is overlapped by being moved transversely along the printing screen 2, so that the pattern painted on the cosmetic bottle by the doctor head 31 can be made to be the second fan 202. Wherein the printing screen 2 can only be connected to the first fan-shaped oscillating device 4 or to the second fan-shaped oscillating device 5, whereby two different action superposition results are obtained.
In this embodiment, as a further improvement of the above technical solution, the first fan-shaped swinging device 4 includes two rotating rods 41, a swinging rod 42 and a first sliding rod 43, the frame 1 is further provided with a second moving device 6, a first mounting seat 61 is driven on the second moving device 6, the first mounting seat 61 and the second moving device 6 are both located below the first moving device 3, and the second moving device 6 moves transversely along the printing screen 2;
Two dwang 41 slip are established on first mount pad 61, and the one end of two dwang 41 links to each other with printing screen 2 rotation through second mount pad 44, and the other end slip cap of two dwang 41 is equipped with first connecting block 45, and two dwang 41 pass through first connecting block 45 transmission and link to each other, the one end of swinging rod 42 can be dismantled and rotate and connect on first mobile device 3, the other end sliding connection of swinging rod 42 is on first connecting block 45, the one end sliding of first slide bar 43 is established on first mount pad 61, the other end of first slide bar 43 rotates and connects on second mount pad 44. When the second moving device 6 drives the first mounting seat 61 to move transversely along the printing screen 2, the two rotating rods 41, the swinging rod 42 and the first sliding rod 43 rotate by taking the rotating connection point of the swinging rod 42 and the first moving device 3 as a pivot, so that the scraping head 31 arranged on the second mounting seat 44 swings in a first fan shape 201. By adjusting the position of the first connecting block 45 on the two rotating levers 41, the radian and shape of the first sector 201 can be roughly adjusted.
In this embodiment, as a further improvement of the above technical solution, the second fan-shaped swinging device 5 includes a second slide rod 51 and a second connection block 52, the second connection block 52 is slidably sleeved on the middle part of the two rotating rods 41, one end of the swinging rod 42 is detachably and rotatably connected to the first moving device 3 or the second connection block 52 is detachably and rotatably connected to the frame 1, and the second slide rod 51 is simultaneously slidably provided on the frame 1 and the second connection block 52. When it is desired to connect the second sector oscillating device 5 to the frame 1, the first sector oscillating device 4 is disconnected from the first moving device 3, in particular the oscillating lever 42. When the second moving device 6 drives the first mounting seat 61 to move transversely along the printing screen 2, the two rotating rods 41, the first sliding rod 43 and the second sliding rod 51 rotate by taking the rotating connection point of the second connecting block 52 and the frame 1 as a pivot, so that the scraping head 31 arranged on the second mounting seat 44 swings in a first fan shape 202. By adjusting the position of the second connection block 52 on the two rotating levers 41, the radian and shape of the second sector 202 can be roughly adjusted.
In this embodiment, as a further improvement of the above technical solution, the first moving device 3 is further provided with a first fixing seat 32 and a first screw rod 33, the first fixing seat 32 is slidably provided with a first slider 34, the first screw rod 33 is rotatably provided on the first fixing seat 32, the first slider 34 is further slidably sleeved on the first screw rod 33, and one end of the swinging rod 42 is detachably and rotatably connected with the first slider 34. By adjusting the position of the first slider 34 on the first screw 33, the radian and shape of the first fan 201 can be fine-tuned.
In this embodiment, as a further improvement of the above technical solution, the first fixing base 32 is further provided with a first digital display 35, and the first screw 33 is further rotatably inserted into the first digital display 35. The adjustment displacement of the first slider 34 can be displayed by the first digital display 35.
In this embodiment, as a further improvement of the above technical solution, the frame 1 is further provided with a second fixing seat 11 and a second screw rod 12, the second fixing seat 11 is slidably provided with a second slider 13, the second screw rod 12 is rotatably provided on the second fixing seat 11, the second slider 13 is further slidably sleeved on the second screw rod 12, and the second connecting block 52 is detachably rotatably connected with the second slider 13. By adjusting the position of the second slider 13 on the second screw 12, the radian and shape of the second fan 202 can be fine-tuned.
In this embodiment, as a further improvement of the above technical solution, the second fixing seat 11 is further provided with a second digital display 14, and the second screw rod 12 is further rotatably inserted into the second digital display 14. The adjustment displacement of the second slider 13 can be displayed by the second digital display 14.
In this embodiment, as a further improvement of the above technical solution, the first moving device 3 includes a first driving element 36, a third fixing seat 37, a third screw rod 38 and a third sliding block 39, where the third fixing seat 37 is provided on the frame 1, the third screw rod 38 is provided on the third fixing seat 37 in a manner of rotating transversely along the printing screen 2, the third sliding block 39 is slidably provided on the third fixing seat 37, the third sliding block 39 is further in a manner of driving and sleeved on the third screw rod 38, the first driving element 36 is in driving connection with the third screw rod 38, and the scraping head 31 is provided on the third sliding block 39; the first driving element 36 drives the third screw rod 38 to rotate, so that the third sliding block 39 moves along the third screw rod 38, and the third sliding block 39 drives the scraping head 31 to move transversely along the printing screen 2. Wherein the first driving element 36 is a servo motor.
The second moving device 6 comprises a second driving element 62, a fourth fixing seat 63, a fourth screw rod 64 and a fourth sliding block 65, the fourth fixing seat 63 is arranged on the frame 1, the fourth fixing seat 63 is located below the third fixing seat 37, the fourth screw rod 64 is arranged on the fourth fixing seat 63 in a transverse rotating mode along the printing screen 2, the fourth sliding block 65 is arranged on the fourth fixing seat 63 in a sliding mode, the fourth sliding block 65 is further arranged on the fourth screw rod 64 in a transmission mode in a sleeved mode, the second driving element 62 is connected with the fourth screw rod 64 in a transmission mode, and the first mounting seat 61 is arranged on the fourth sliding block 65. The second driving element 62 drives the fourth screw rod 64 to rotate, so that the fourth sliding block 65 moves along the fourth screw rod 64, and the fourth sliding block 65 drives the first mounting seat 61 to move transversely along the printing screen 2. Wherein the second driving element 62 is a servo motor.
The embodiment also discloses a fan-shaped screen printing machine, which adopts the following technical scheme:
The fan-shaped screen printer comprises a feeding assembly line, a pre-positioning mechanism 102, a swinging taper mechanism 103, the printing mechanism 104 and a discharging assembly line which are sequentially arranged and in butt joint along the assembly line processing direction, wherein the printing screen 2 is in butt joint with the discharging assembly line and the swinging taper mechanism 103 respectively. The feeding assembly line is used for conveying the cosmetic bottle to be printed, the cosmetic bottle is initially positioned at the pre-positioning mechanism 201, the upper surface of the cosmetic bottle is leveled at the swinging taper mechanism 103, then the cosmetic bottle is printed at the printing mechanism 104, and after the printing is finished, the cosmetic bottle is conveyed out through the discharging assembly line.
Wherein, pendulum taper mechanism 103 includes:
the first base 7, the lower part of the first base 7 is provided with a chute 71 inclined downwards;
The support arm 8, a first end 81 of the support arm 8 is rotatably hung on the upper portion of the first base 7, a first transmission screw rod 83 and a first servo motor 84 which are in transmission connection are arranged on the support arm 8, a first sliding seat 831 is arranged on the first transmission screw rod 83 in a transmission sleeve mode, a connecting rod 85 is arranged on the first sliding seat 831, and the tail end of the connecting rod 85 is slidably clamped in the sliding groove 71;
The first telescopic element 9 is arranged at the second end 82 of the supporting arm 8, and the telescopic end of the first telescopic element 9 movably extends towards the first end 81 of the supporting arm 8;
The rotary driving element 91 is arranged at the first end 81 of the supporting arm 8, the output end of the rotary driving element 91 is provided with a positioning head 92, and the positioning head 92 is opposite to the telescopic end of the first telescopic element 9.
The embodiment is mainly used for taper adjustment of the cosmetic bottle with special shape, square shape, ellipse shape, round shape and various taper angles, and the top surface of the cosmetic bottle can be adjusted to be a plane. In the fan-shaped screen printing machine, the cosmetic bottle which is subjected to the pre-positioning through the pre-positioning mechanism 102 is conveyed between the first telescopic element 9 and the rotary driving element 91, the cosmetic bottle is tightly propped up through the telescopic end of the first telescopic element 9, and the position of the cosmetic bottle when the cosmetic bottle is tightly propped up can be adjusted through the rotation of the rotary driving element 91, so that the cosmetic bottle can be adjusted to a proper position. The first sliding seat 831 is driven to move on the first transmission screw 83 by the first servo motor 84, and the end of the connecting rod 85 slides in the sliding groove 71 while the first sliding seat 831 moves on the first transmission screw 83, so that the supporting arm 8 can rotate around the first end 81 thereof, and the cosmetic bottle can be adjusted.
The swinging taper mechanism of the embodiment is convenient to adjust, and the first servo motor 84 is adopted to enable the adjustment to be more accurate and precise. The rotary driving element 91 may also be a servo motor, and the first telescopic element 9 is a cylinder. Specifically, the end of the connecting rod 85 is provided with a pulley, and a stop lever is inserted on the pulley. A sliding rail is further arranged along the length direction of the sliding groove 71, the pulley is arranged on the sliding rail in a sliding manner, and the limiting rod is arranged in the sliding groove 71 in a sliding manner. Further preferably, limit stops are respectively arranged at two ends of the sliding rail, and the two limit stops can limit the pulley.
In this embodiment, in order to adjust the vertical height of the swinging taper mechanism 103, as a further improvement of the above technical scheme, a swinging taper mechanism further includes a second base 93 fixedly disposed, a second transmission screw 94 and a second servo motor 95 are connected in a transmission manner on the second base 93, the second transmission screw 94 is vertically disposed, a second slide seat 96 is sleeved on the second transmission screw 94 in a transmission manner, and the second slide seat 96 is disposed on the first base 7. The second transmission screw rod 94 is driven to rotate through the second servo motor 95, so that the second sliding seat 96 and the second base 93 vertically move relatively, the second sliding seat 96 drives the first base 7 to move up and down, and therefore the vertical height can be adjusted, the adjustment is convenient, and the adjustment is accurate.
In this embodiment, as a further improvement of the above technical solution, the second transmission screw 94 is in transmission connection with the second servo motor 95 through a belt transmission mechanism 98. The belt transmission mechanism 98 includes a belt and two transmission wheels, one transmission wheel is mounted on the second servo motor 95, the other transmission wheel is mounted on the second transmission screw 94, and the belt is sleeved on the two transmission wheels. The second servo motor 95 and the second transmission screw 94 are transmitted through the belt transmission mechanism 98, so that the transmission is stable and overload can be prevented.
In this embodiment, as a further improvement of the above technical solution, the support arm 8 is L-shaped, the first base 7 is vertically provided with a fixing plate 72, a slot hole 721 is provided in the middle of the fixing plate 72, the chute 71 is provided below the slot hole 721, a first end 81 of the support arm 8 is hung on the top end of the fixing plate 72, and a second end 82 of the support arm 8 is movably inserted into the slot hole 721.
In this embodiment, as a further improvement of the above technical solution, the second end 82 of the supporting arm 8 is provided with a supporting rod 86, and the first telescopic element 9 is provided on the supporting rod 86. The supporting rod 86 has a supporting function on the first telescopic element 9, so that the first telescopic element 9 is opposite to the rotary driving element 91, and the cosmetic is convenient to tighten.
In this embodiment, as a further improvement of the above technical solution, the first end 81 of the supporting arm 8 is provided with a second telescopic element 87, the telescopic end of the second telescopic element 87 is opposite to the telescopic end of the first telescopic element 9, and the rotary driving element 91 is disposed at the telescopic end of the second telescopic element 87. The second telescopic element 87 can be matched with the first telescopic element 9, so that the cosmetic bottle can be conveniently pushed up.
In this embodiment, as a further improvement of the above technical solution, the first telescopic element 9 and the second telescopic element 87 are each air cylinders.
In this embodiment, as a further improvement of the above technical solution, the telescopic end of the first telescopic element 9 is provided with a positioning rod 97, and an end portion of the positioning rod 97 is provided with a concave positioning hole 971. The cosmetic bottle is provided with a positioning protrusion which is opposite to the positioning hole 971. When the cosmetic bottle is transferred from the pre-positioning mechanism 102 to the swinging taper mechanism 103, the cosmetic bottle can be quickly aligned and abutted between the first telescopic member 9 and the rotary driving member 91 through the positioning hole 971.
The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the specification and drawings of the present invention or direct/indirect application in other related technical fields are included in the scope of the present invention.
Claims (6)
1. The printing mechanism is characterized by comprising a frame, a printing screen, a first moving device and a first fan-shaped swinging device, wherein the first moving device and the first fan-shaped swinging device are arranged on the frame, the first fan-shaped swinging device is positioned below the first moving device, a scraping head is arranged on the first moving device, the scraping head is driven by the first moving device to transversely move along the printing screen, the printing screen is positioned below the scraping head, the swinging end of the first fan-shaped swinging device is provided with a stroke for transversely performing first fan-shaped movement along the printing screen, and the swinging end of the first fan-shaped swinging device is in transmission connection with the printing screen;
The printing screen printing device further comprises a second fan-shaped swinging device, wherein the second fan-shaped swinging device is positioned below the first moving device, the swinging end of the second fan-shaped swinging device is provided with a stroke for transversely moving along the printing screen in a second fan shape, the first fan-shaped swinging device is opposite to the second fan-shaped swinging device, and the swinging end of the first fan-shaped swinging device or the swinging end of the second fan-shaped swinging device is detachably connected with the printing screen;
The first fan-shaped swinging device comprises two rotating rods, a swinging rod and a first sliding rod, a second moving device is further arranged on the frame, a first mounting seat is arranged on the second moving device in a transmission mode, the first mounting seat and the second moving device are both located below the first moving device, and the second moving device transversely moves along the printing screen;
The two rotating rods are arranged on the first mounting seat in a sliding way, one ends of the two rotating rods are rotationally connected with the printing screen through the second mounting seat, the other ends of the two rotating rods are sleeved with first connecting blocks in a sliding way, the two rotating rods are in transmission connection through the first connecting blocks, one ends of the swinging rods are detachably and rotationally connected to the first moving device, the other ends of the swinging rods are slidingly connected to the first connecting blocks, one ends of the first sliding rods are slidingly arranged on the first mounting seat, and the other ends of the first sliding rods are rotationally connected to the second mounting seat;
the first moving device is also provided with a first fixing seat and a first screw rod, a first sliding block is arranged on the first fixing seat in a sliding manner, the first screw rod is rotatably arranged on the first fixing seat, the first sliding block is also sleeved on the first screw rod in a sliding manner, and one end of the swinging rod is detachably and rotatably connected with the first sliding block;
the second fan-shaped swinging device comprises a second sliding rod and a second connecting block, the second connecting block is slidably sleeved at the middle parts of the two rotating rods, one end of the swinging rod is detachably and rotatably connected to the first moving device or the second connecting block is detachably and rotatably connected with the frame, and the second sliding rod is simultaneously slidably arranged on the frame and the second connecting block.
2. The printing mechanism of claim 1, wherein the first mounting base is further provided with a first digital display, and the first screw is further rotatably inserted into the first digital display.
3. The printing mechanism of claim 1, wherein the frame is further provided with a second fixing seat and a second screw rod, a second sliding block is slidably arranged on the second fixing seat, the second screw rod is rotatably arranged on the second fixing seat, the second sliding block is further slidably sleeved on the second screw rod, and the second connecting block is detachably and rotatably connected with the second sliding block.
4. A printing mechanism according to claim 3, wherein the second holder is further provided with a second digital display, and the second screw is further rotatably inserted into the second digital display.
5. The printing mechanism of claim 1, wherein the first moving device comprises a first driving element, a third fixing seat, a third screw rod and a third sliding block, the third fixing seat is arranged on the frame, the third screw rod is transversely and rotatably arranged on the third fixing seat along the printing screen, the third sliding block is slidably arranged on the third fixing seat, the third sliding block is further in transmission sleeved on the third screw rod, the first driving element is in transmission connection with the third screw rod, and the scraping head is arranged on the third sliding block;
The second moving device comprises a second driving element, a fourth fixing seat, a fourth screw rod and a fourth sliding block, wherein the fourth fixing seat is arranged on the frame, the fourth fixing seat is located below the third fixing seat, the fourth screw rod is arranged on the fourth fixing seat in a transverse rotating mode along the printing screen, the fourth sliding block is arranged on the fourth fixing seat in a sliding mode, the fourth sliding block is further arranged on the fourth screw rod in a transmission mode in a sleeved mode, the second driving element is connected with the fourth screw rod in a transmission mode, and the first mounting seat is arranged on the fourth sliding block.
6. A fan-shaped screen printing machine, which is characterized by comprising a feeding assembly line, a pre-positioning mechanism, a swinging taper mechanism, a discharging assembly line and a printing mechanism as claimed in any one of claims 1 to 5, wherein the feeding assembly line, the pre-positioning mechanism, the swinging taper mechanism and the discharging assembly line are arranged in sequence along the assembly line processing direction and are in butt joint, and the printing screen is in butt joint with the discharging assembly line and the swinging taper mechanism respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911415579.7A CN110936704B (en) | 2019-12-31 | 2019-12-31 | Printing mechanism and fan-shaped screen printing machine |
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| CN201911415579.7A CN110936704B (en) | 2019-12-31 | 2019-12-31 | Printing mechanism and fan-shaped screen printing machine |
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| CN110936704B true CN110936704B (en) | 2024-06-04 |
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| CN112976793A (en) * | 2021-02-20 | 2021-06-18 | 重庆贻晨兴工业设计有限责任公司 | Bottle body monochromatic printing equipment and using method thereof |
| CN113459655B (en) * | 2021-08-14 | 2022-11-15 | 浙江圣林包装有限公司 | Double-sided uninterrupted printing equipment for plastic bag production |
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