Rotary printing device

Abstract

The present invention belongs to the technical field of printing devices, and in particular, relates to a rotary printing device, including a frame, a scraper device, a screen frame, a driving mechanism and a rotating support mechanism; a supporting vertical plate is arranged on the frame, a driving mechanism is arranged on the frame, and the driving mechanism is connected to the screen frame, and is used to drive the screen frame to reciprocate and translate; the scraper device is arranged on the supporting vertical plate, and the scraper of the scraper device extends into the screen frame, and is used to scrape the ink in the screen frame; the rotating support mechanism includes a lifting member and two groups of supporting wheels arranged oppositely on the lifting member, the lifting member is arranged on the frame, and the two supporting wheels form a positioning support position, which is used for radial positioning of the rotary body to be printed; the lifting member is used to drive the supporting wheel to lift the rotary body to be printed upward to the bottom of the screen frame, and the screen frame translates, driving the rotary body to be printed to rotate. Through the above arrangement, rapid printing of the rotary body to be printed is achieved, and printing efficiency is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of printing devices, and in particular relates to a rotary printing device. Background Art

[0002] Medicinal glass bottles are bright and transparent, easy to disinfect, corrosion-resistant, high-temperature-resistant, and have good sealing properties. They are still the preferred packaging for common infusions, antibiotics, general powders, freeze-dried products, vaccines, blood, and biological preparations. Most of them are packaged in medicinal glass, mainly controlled white and brown oral liquid bottles and molded brown medicinal glass bottles. After the glass bottles are manufactured and formed, fonts need to be printed on the bottle body, which requires a printing device to complete this process. The printing device in the prior art prints patterns or fonts on the outer surface of the glass bottle by operating the glass bottle. The medicinal glass bottle needs to be grabbed to the printing station for printing and then placed back on the conveying device to obtain a glass bottle with different patterns or fonts. However, the printing device in the prior art has the technical problem of low printing efficiency when printing medicinal glass bottles. Summary of the invention

[0003] The object of the present invention is to provide a rotary printing device, aiming to solve the technical problem of low printing efficiency of rotary printing devices in the prior art.

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a rotary printing device, including a frame, a scraper device, a screen frame, a driving mechanism and a rotating support mechanism; the frame is provided with a supporting vertical plate, the driving mechanism is arranged on the frame, and the driving mechanism is connected to the screen frame, and is used to drive the screen frame to reciprocate; the scraper device is arranged on the supporting vertical plate, and the scraper of the scraper device extends into the screen frame, and is used to scrape the ink in the screen frame; the rotating support mechanism includes a lifting member and two groups of oppositely arranged support wheels arranged on the lifting member, the lifting member is arranged on the frame, and the two support wheels form a positioning support position for radial positioning of the rotary body to be printed; the lifting member is used to drive the support wheels to lift the rotary body to be printed upward to the bottom of the screen frame, and the screen frame translates to drive the rotary body to be printed to rotate.

[0005] Preferably, a circulating conveying device is provided on the frame, and the circulating conveying device includes a circulating conveying surface. A plurality of positioning members are provided on the circulating conveying surface, and each of the positioning members includes two support plates relatively arranged on the circulating conveying surface, and an escape space for the lifting member to pass through is formed between the two support plates. A positioning groove is provided on at least one support plate of each of the positioning members for radial positioning of the rotating body to be printed.

[0006] Preferably, the circulating conveying device comprises two chain conveying mechanisms arranged in parallel, and the two support plates of each group of the positioning members are respectively arranged on the chain conveying mechanisms in pairs.

[0007] Preferably, the driving mechanism includes a motor, a support seat, a rotating shaft, an eccentric connecting member, a guide rail, a movable seat and a connecting member; the motor and the support seat are arranged on the frame, the rotating shaft rotatably passes through the support seat, and one end is connected to the main shaft of the motor, and the other end is connected to the eccentric connecting member, and the eccentric connecting member is provided with an eccentric portion eccentrically arranged with the rotating shaft; the guide rail is arranged on the supporting vertical plate, and the movable seat is slidably connected to the guide rail; one end of the connecting member is rotatably connected to the eccentric portion, and the other end is rotatably connected to the movable seat; the net frame is fixedly connected to the movable seat.

[0008] Preferably, the eccentric connector includes a connector body, an adjustment block and a screw; the connector body is connected to the rotating shaft, the adjustment block is slidably connected to the connector body, and the screw is connected to the adjustment block for fixing the adjustment block on the connector body.

[0009] Preferably, the lifting member includes a guide seat, a push rod, a guide shaft, a connecting rod, a camshaft and a chain transmission mechanism; the lower end of the supporting plate extends into the interior of the frame; the guide seat is arranged on one side of the lower end of the supporting plate; the push rod and the guide shaft are vertically slidably connected with the guide seat, and the connecting rod connects the upper ends of the push rod and the guide shaft; the connecting rod is provided with an upwardly extending mounting boss, and the supporting wheel is provided on the mounting boss; the lower end of the push rod is provided with an abutment portion; the camshaft rotatably passes through the lower end of the supporting plate, and the end of the camshaft is provided with a cam that contacts the abutment portion; the chain transmission mechanism connects the camshaft and the rotating shaft.

[0010] Preferably, the rotating support mechanism also includes a limiting push rod, a connecting seat, a limiting block, a sliding block and a pushing block; the connecting seat and the limiting block are relatively arranged on both sides of the circulating conveying device, the sliding block is slidably connected to the connecting seat, and the sliding block is provided with a toggle groove; one end of the connecting rod extends to the bottom end of the connecting seat, and the pushing block is connected to the connecting rod; the pushing block is provided with an inclined toggle part, and the toggle part is used to extend into the toggle groove to push the sliding block to slide, one end of the limiting push rod is connected to the sliding block, and the other end is provided with a rotating sleeve, which is used to limit the rotating body to be printed on one side of the limiting block.

[0011] Preferably, the screen frame includes a mounting plate, a rotating plate and two mounting support rods; the mounting plate is connected to the movable seat; one end of the rotating plate is rotatably mounted on the top of the mounting plate; the two mounting support rods are respectively fixedly connected to the other end of the rotating plate, and the two mounting support rods are arranged opposite to each other; the screen plate is arranged on the two mounting support rods.

[0012] Preferably, the scraper device includes a mounting seat, a support rod, a rotating block, a brush head and a balancing block. The mounting seat is installed on the supporting vertical plate, the support rod spans above the circulating conveying device, the rotating block is fixedly installed on one end of the support rod, and the rotating block is rotatably connected to the mounting seat, the other end of the support rod is fixedly connected to the balancing block, the brush head is slidably installed on the support rod, and a fixing screw hole is provided on the brush head, and the brush head is located between the balancing block and the mounting seat.

[0013] Preferably, the brush head includes a lifting cylinder, a mounting block and a scraper, the lifting cylinder is slidably mounted on the support rod, the mounting block is fixedly mounted on the movable end at the bottom of the lifting cylinder, the scraper is fixedly mounted on the bottom of the mounting block, and the scraper extends into the screen frame to scrape the ink in the screen frame.

[0014] The above one or more technical solutions in the rotary printing device provided by the embodiment of the present invention have at least one of the following technical effects:

[0015] The rotary printing device in the present invention is assembled from a frame, a scraper device, a screen frame, a driving mechanism and a rotating support mechanism. During assembly, a supporting vertical plate is first arranged on the frame, the driving mechanism is installed on the frame, and the screen frame is connected to the driving mechanism. The driving mechanism drives the screen frame to reciprocate, and the lifting member of the rotating support mechanism is fixedly installed on the frame. Two sets of supporting wheels arranged opposite to each other are mounted on the lifting member. The two sets of supporting wheels can be adjusted. A positioning support position for supporting a corresponding model of a rotary body to be printed is formed between the two sets of supporting wheels. Radial positioning is performed, and two sets of support wheels are located below the screen frame. The lifting member drives the support wheels to lift up and move to the bottom of the screen frame for screen printing. The scraper device is fixedly installed on the side of the supporting vertical plate, and the scraper device is located above the screen frame, and the scraper device extends into the screen frame. The bottom of the scraper device is arranged opposite to the rotating body to be printed lifted up by the support wheel, and the rotating body to be printed is driven to rotate by the reciprocating movement of the screen frame. The scraper device scrapes the ink in the screen frame onto the rotating body to be printed to complete printing. Through the above arrangement, rapid printing of the rotating body to be printed is achieved, and printing efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a rendering of the rotary printing device provided in an embodiment of the present invention.

[0018] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0019] Figure 3 for Figure 1 A partial enlarged view of B.

[0020] Figure 4 This is a rendering of a first embodiment of a scraper device, a screen frame and a rotation support mechanism of a rotary printing device provided in an embodiment of the present invention.

[0021] Figure 5 This is a rendering of the scraper device of the rotary printing device provided in an embodiment of the present invention.

[0022] Figure 6 This is a rendering of the second embodiment of the rotary printing device provided in an embodiment of the present invention.

[0023] Figure 7 This is a rendering of the driving mechanism of the rotary printing device provided in an embodiment of the present invention.

[0024] Among them, the reference numerals in the figure are:

[0025] 10—Frame 11—Supporting plate 12—Circulating conveying device

[0026] 20 - scraper device 21 - mounting seat 22 - support rod

[0027] 23 - Rotating block 24 - Brush head 25 - Balancing block

[0028] 30 - screen frame 31 - mounting plate 32 - rotating plate

[0029] 33 - mounting support rod 40 - driving mechanism 41 - motor

[0030] 42—support seat 43—rotating shaft 44—eccentric connecting piece

[0031] 45—guide rail 46—moving seat 47—connecting piece

[0032] 50 - Rotation support mechanism 51 - Lifting member 52 - Mounting boss

[0033] 121—support plate 122—positioning slot 211—fixing knob

[0034] 241 - lifting cylinder 242 - mounting block 243 - scraper

[0035] 511 - guide seat 512 - push rod 513 - guide shaft

[0036] 514—connecting rod 515—camshaft 516—chain transmission mechanism

[0037] 5141—Limiting rod 5142—Connecting seat 5143—Limiting block

[0038] 5144—slider 5145—push block. DETAILED DESCRIPTION

[0039] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the attached Figures 1 to 7 , wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the embodiments of the present invention, and should not be construed as limiting the present invention.

[0040] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0041] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0042] In the embodiments of the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.

[0043] In one embodiment of the present invention, Figure 1 and Figures 4 to 7 As shown, a rotary printing device is provided, comprising a frame 10, a scraper device 20, a screen frame 30, a driving mechanism 40 and a rotating support mechanism 50; the driving mechanism 40 is arranged on the frame 10, and the driving mechanism 40 is connected to the screen frame 30, the driving device is fixedly installed on the frame 10, drives the screen frame 30 to move, and is used to drive the screen frame 30 to reciprocate, the output end of the driving mechanism 40 is connected to the screen frame 30, and the screen frame 30 is driven to reciprocate through the output end, and the screen frame 30 is located on one side of the supporting upright plate 11; the frame 10 is provided with a supporting upright plate 11, and the vertical arrangement of the supporting upright plate 11 provides a vertical installation position, and the scraper The plate device 20 is arranged on the supporting upright plate 11, and the scraper device 20 is arranged on the side of the supporting upright plate 11 to realize the assembly in the vertical direction. The scraper device 20 is arranged above the screen frame 30, and the scraper device 20 extends into the screen frame 30 to scrape the ink in the screen frame 30; the rotating support mechanism 50 includes a lifting member 51 and two groups of supporting wheels arranged oppositely on the lifting member 51, the lifting member 51 is arranged on the frame 10, and part of the lifting member 51 is located in the frame 10, and is fixedly connected to the supporting upright plate 11, so that the installation of the lifting member 51 is more stable, and the screen frame 30 translates to drive the rotating body to be printed to rotate.

[0044] The two support wheels form a positioning support position for radial positioning of the rotating body to be printed, and the distance between the positioning support members can be adjusted. The two groups of support wheels are respectively fixedly installed on the top of the lifting member 51 to adapt to the rotating bodies to be printed of different lengths and expand the model of the rotating body to be printed; the lifting member 51 is used to drive the support wheels to lift the rotating body to be printed upward to the bottom of the screen frame 30, and rotate the rotating body to be printed through the reciprocating movement of the screen frame 30 to complete the printing, and then the lifting member 51 descends to retract the support wheels, and the rotating body that has completed printing descends away from the screen frame 30, the rotating body that has completed printing is taken out, and a new rotating body to be printed is placed to repeat the operation to perform a new round of screen printing, and the scraper device 20, the screen frame 30, the driving mechanism 40 and the rotating support mechanism 50 can be set in multiple groups, and the power of the multiple groups of scraper devices 20, the screen frame 30, the driving mechanism 40 and the rotating support mechanism 50 is driven by the connection between the two driving odd and even strands to achieve power drive.

[0045] The rotary printing device in the present invention is assembled from a frame 10, a scraper device 20, a screen frame 30, a driving mechanism 40 and a rotating support mechanism 50. When assembling, a supporting vertical plate 11 is first arranged on the frame 10, and the driving mechanism 40 is installed on the frame 10. At the same time, the screen frame 30 is connected to the driving mechanism 40, and the driving mechanism 40 drives the screen frame 30 to reciprocate, and the lifting member 51 of the rotating support mechanism 50 is fixedly installed on the frame 10. Two sets of supporting wheels arranged opposite to each other are mounted on the lifting member 51. The two sets of supporting wheels can be adjusted. A positioning support position for supporting the corresponding model of the rotary body to be printed is formed between the two sets of supporting wheels, which is used to be printed. The rotating body is radially positioned, and two sets of support wheels are located below the screen frame 30. The lifting member 51 drives the support wheels to lift up and move to the bottom of the screen frame 30 for screen printing. The scraper device 20 is fixedly installed on the side of the supporting vertical plate 11. The scraper device 20 is located above the screen frame 30, and the scraper device 20 extends into the screen frame 30. The bottom of the scraper device 20 is arranged opposite to the rotating body to be printed lifted up by the support wheels, separated by the screen frame 30. The reciprocating movement of the screen frame 30 drives the rotating body to be printed to rotate. The scraper device 20 scrapes the ink in the screen frame 30 onto the rotating body to be printed to complete printing. Through the above arrangement, rapid printing of the rotating body to be printed is achieved, and printing efficiency is improved.

[0046] In another embodiment of the present invention, Figures 1-2As shown, a circulating conveying device 12 is arranged on the frame 10, and a conveying step sensing device is arranged on the circulating conveying device 12. The conveying step sensing device is used to control the moving frequency of the circulating conveying device 12, and the conveying speed of the rotating body to be printed on the circulating conveying device 12 is controlled. The circulating conveying device 12 includes a circulating conveying surface, and the circulating conveying surface is provided for placing the rotating body to be printed. A plurality of positioning members are arranged on the circulating conveying surface, and the positioning members divide the circulating conveying surface into intervals and a plurality of intervals, so that the position interval of the rotating body to be printed on the circulating conveying surface is clear, so as to avoid the movement of the position of the rotating body to be printed, thereby affecting the printing effect. Each of the positioning members includes two support plates 121 relatively arranged on the circulating conveying surface, and the two support plates 121 are used to support the positions of the two ends of the rotating body to be printed, and the rotating body to be printed is placed on the two support plates 121 for smooth conveying.

[0047] An escape space is formed between the two support plates 121 for the lifting member 51 to pass through. A positioning groove 122 is provided on at least one of the support plates 121 of each positioning member for radial positioning of the rotating body to be printed. One positioning groove 122 positions one end of the rotating body to be printed, and the other end is placed on the other support plate 121, which can achieve positioning and placement through one end to prevent movement. The positioning grooves 122 are provided on both support plates 121, which can more effectively limit the position of the two ends of the rotating body to be printed, make the transportation process more stable, achieve radial positioning, and prevent the rotating body to be printed from rolling.

[0048] In another embodiment of the present invention, Figures 1-2 As shown, the circulating conveying device 12 includes two chain conveying mechanisms arranged in parallel, and the two chain conveying mechanisms arranged in parallel form a circulating conveying surface between the two for placing the rotating body to be printed. The two support plates 121 of each group of the positioning members are respectively arranged on the chain conveying mechanisms in pairs, and the support plates 121 on the two chain conveying mechanisms are used to position one end of the rotating body to be printed through the positioning grooves 122 arranged thereon.

[0049] In another embodiment of the present invention, Figure 1 and Figures 6-7As shown, the driving mechanism 40 includes a motor 41, a support seat 42, a rotating shaft 43, an eccentric connecting member 44, a guide rail 45, a movable seat 46 and a connecting member 47; the motor 41 and the support seat 42 are arranged on the frame 10, the rotating shaft 43 rotatably passes through the support seat 42, and one end is connected to the main shaft of the motor 41, the motor 41 drives the rotating shaft 43 to rotate, and the other end is connected to the eccentric connecting member 44, the power of the motor 41 is transmitted to the eccentric connecting member 44 through the rotating shaft 43, so as to realize the operation of the eccentric connecting member 44, the eccentric connecting member 44 is provided with an eccentric part eccentrically arranged with the rotating shaft 43, and through the setting of the eccentric part, the eccentric part realizes position movement under the rotation of the rotating shaft 43. ; The guide rail 45 is arranged on the supporting vertical plate 11, and the guide rail 45 is fixedly installed on the supporting vertical plate 11 to fix the moving trajectory of the moving seat 46, and the moving seat 46 is slidably connected to the guide rail 45; the moving seat 46 is slidably installed on the guide rail 45 to limit the maximum sliding stroke of the moving seat 46, one end of the connecting member 47 is rotationally connected to the eccentric part, and the other end is rotationally connected to the moving seat 46, and the end of the connecting member 47 that is rotationally connected to the eccentric part can achieve up and down movement, and the up and down movement of one end pulls the other end of the connecting member 47 to reciprocate on the guide rail 45; the net frame 30 is fixedly connected to the moving seat 46, and the net frame 30 follows the moving seat 46 to reciprocate along the guide rail 45.

[0050] Furthermore, an air avoidance hole is opened on the supporting upright plate 11, and the guide rail 45 is fixedly installed on the supporting upright plate 11, and the guide rail 45 spans over the air avoidance hole, and the reciprocating movement range of the movable seat 46 is located in the air avoidance hole. The movable seat 46 passes through the air avoidance hole to connect with the screen frame 30, driving the screen frame 30 to reciprocate in the air avoidance hole.

[0051] In another embodiment of the present invention, Figure 1 and Figures 6-7 As shown, the eccentric connector 44 includes a connector body, an adjusting block and a screw, the adjusting block is used to adjust the length of the reciprocating movement interval of the moving seat 46; the connector body is connected to the rotating shaft 43, the adjusting block is slidably connected to the connector body, a slide rail is provided on the connector body, the adjusting block is slidably installed on the slide rail, so that the adjusting block slides along the track of the slide rail, the screw is connected to the adjusting block, and is used to fix the adjusting block on the connector body, a thread is provided on the screw, and a threaded hole that penetrates the adjusting block body is provided on the adjusting block, the screw and the adjusting block are matched through the thread and the threaded hole, so that the screw is passed through the adjusting block, and the position of the adjusting block on the screw is changed by rotating the screw.

[0052] A mounting through hole is provided on the connecting piece body, a slide rail is provided on the inner wall of the mounting through hole, the adjusting block is slidably installed in the mounting through hole through the slide rail on the inner wall, and an adjusting hole connected to the mounting through hole is provided on the connecting piece body, the screw rod is rotationally connected to the adjusting hole, and the screw rod part passing through the adjusting hole is threadedly connected to the adjusting block.

[0053] In another embodiment of the present invention, Figure 1 and Figures 4 to 6 As shown, the lifting member 51 includes a guide seat 511, a push rod 512, a guide shaft 513, a connecting rod 514, a cam shaft 515 and a chain transmission mechanism 516; the lower end of the support plate 11 extends into the frame 10, and the lower end of the support plate 11 is used to provide a mounting position, thereby reducing the installation space requirement above the frame 10 and facilitating the arrangement of various devices; the guide seat 511 is arranged on one side of the lower end of the support plate 11; the push rod 512 and the guide shaft 513 are vertically connected to the guide seat 511. The guide seat 511 is slidably connected, the push rod 512 is installed through the guide seat 511, one end of the guide shaft 513 extends out of the top of the guide seat 511, the connecting rod 514 connects the push rod 512 and the upper end of the guide shaft 513, the connecting rod 514 is driven by the push rod 512 to move up and down, the guide shaft 513 plays a guiding role in the up and down movement of the connecting rod 514 on the one hand, and on the other hand, the center of the connecting rod 514 is moved backward, so that the connection position between the connecting rod 514 and the push rod 512 is not easily damaged; The rod 514 is provided with an upwardly extending mounting boss 52, the support wheel is arranged on the mounting boss 52, and the support wheel is rotatably mounted on the top of the mounting boss 52; the lower end of the push rod 512 is provided with an abutment portion, and a bearing is rotatably mounted on the side of the abutment portion; the cam shaft 515 rotatably passes through the lower end of the supporting vertical plate 11, and the end of the cam shaft 515 is provided with a cam that contacts the abutment portion, the cam and the bearing abut against each other, the cam is located below the bearing, and the bearing is lifted up by the rotation of the cam The push rod 512 moves up and down following the bearing, thereby pushing the connecting rod 514 to move up and down, and the connecting rod 514 drives the mounting boss 52 to push the supporting wheel to move up and down, thereby completing the up and down movement of the rotating body to be printed; the chain transmission mechanism 516 connects the camshaft 515 and the rotating shaft 43, and the rotating shaft 43 drives the camshaft 515 to rotate through the chain transmission mechanism 516, and realizes the synchronous control of the screen frame 30 and the rotating support mechanism 50 through the mobile power source, and the structure is simpler and convenient to adjust.

[0054] Furthermore, a cam can be arranged above the bearing, and a return spring can be arranged in the guide seat 511. The push rod 512 is slidably connected through the return spring and the guide seat 511. When the return spring is in the initial state, the top of the push rod 512 is in the highest position. The rotation of the cam pushes the bearing downward, thereby driving the push rod 512 to descend. When the cam rotates to the other side, the push rod 512 returns to its position and moves upward under the action of the return spring. This operation is repeated to achieve the control of the up and down movement of the push rod 512.

[0055] In another embodiment of the present invention, Figure 1 Figure 4 and Figure 6 As shown, the rotating support mechanism 50 also includes a limiting top rod 5141, a connecting seat 5142, a limiting block 5143, a sliding block 5144 and a pushing block 5145. The limiting top rod 5141 is arranged horizontally; the connecting seat 5142 and the limiting block 5143 are relatively arranged on both sides of the circulating conveying device 12, the connecting seat 5142 is fixedly installed on the side of the circulating conveying device 12, and the limiting block 5143 is fixedly installed at the top edge position of the circulating conveying device 12, which is used to cooperate with the limiting top rod 5141 to prevent the rotating body to be printed from falling off, and the sliding block 5144 is slidably connected to the connecting seat 5142, and the sliding block 5144 is slidably connected along the conveying direction perpendicular to the circulating conveying device 12. The sliding block 5144 is provided with a toggle groove, and the connecting seat 5142 is also provided with a through hole; one end of the connecting rod 514 extends to the bottom end of the connecting seat 5142, and the pushing block 5145 is connected to the connecting rod 514, The connecting rod 514 drives the pushing block 5145 to move up and down; the pushing block 5145 is provided with an inclined toggle portion, which is inclined from bottom to top in the direction away from the circulating conveying device 12. The toggle portion is used to pass through the through hole on the connecting seat 5142 and extend into the toggle groove to push the slider 5144 to slide. When the toggle portion moves upward, the side facing the circulating conveying device 12 pushes the slider 5144 to move close to the circulating conveying device 12; when the toggle portion moves downward, the side facing away from the circulating conveying device 12 pushes the slider 5144 to move away from the circulating conveying device 12. One end of the limiting push rod 5141 is connected to the slider 5144, and the slider 5144 pushes the limiting push rod 5141 to move. The other end is provided with a rotating sleeve, which can follow the rotation of the rotating body to be printed after the collision, thereby reducing the friction between the rotation of the rotating body to be printed and the contact surface after the collision, and is used to limit the rotating body to be printed on one side of the limiting block 5143.

[0056] In another embodiment of the present invention, Figure 1 Figure 4 and Figures 6-7As shown, the screen frame 30 includes a mounting plate 31, a rotating plate 32 and two mounting support rods 33. The rotating plate 32 is rotatably connected to the mounting plate 31 so that the angle between the rotating plate 32 and the mounting plate 31 can be changed between 180° and 90°, so that the rotating plate 32 can be rotated to repair the equipment. The mounting plate 31 is connected to the movable seat 46. One end of the rotating plate 32 is rotatably mounted on the top of the mounting plate 31. The mounting plate 31 is angularly positioned, and the rotating plate 32 is rotated and adjusted with the mounting plate 31 as a fixed point. The two mounting support rods 33 are respectively fixedly connected to the other end of the rotating plate 32, and the two mounting support rods 33 are arranged opposite to each other. The two mounting support rods 33 and the rotating plate 32 are carriers, which rotate and adjust with the rotating plate 32, and the two mounting support rods 33 are in the shape of right-angled folded plates. The screen is arranged on the two mounting support rods 33, and the screen is placed at two opposite right angles and fixedly installed by fixing clips arranged on the two mounting support rods 33.

[0057] In another embodiment of the present invention, Figure 1 and Figures 4 to 6 As shown, the scraper device 20 includes a mounting seat 21, a support rod 22, a rotating block 23, a brush head 24 and a balancing block 25. A bottom plate is arranged on the mounting seat 21, and the bottom plate is arranged parallel to the top of the machine platform. A limiting hole is arranged on the bottom plate. The mounting seat 21 is installed on the supporting vertical plate 11, and the support rod 22 spans above the circulating conveying device 12. The rotating block 23 is fixedly installed on one end of the support rod 22, and the rotating block 23 is rotatably connected to the mounting seat 21. A limiting strip is rotatably installed on the rotating block 23, and a slot is arranged at the free end of the limiting strip. The slot can be clamped to the inner edge of the limiting hole of the bottom plate after the rotating block 23 is rotated. The rotating block 23 is rotatably installed on the mounting seat 21, and the rotating block 23 is rotated by clamping the limiting strip with the limiting hole. After reaching a certain angle, the angle is fixed to facilitate the assembly and replacement of the silk screen or the addition of ink. The other end of the support rod 22 is fixedly connected to the balance block 25. The pressure of the balance block 25 is used to prevent the brush head 24 from moving upward during printing and affecting the printing effect. The brush head 24 is slidably installed on the support rod 22, and a fixing screw hole is provided on the brush head 24. The brush head 24 is located between the balance block 25 and the mounting seat 21. The position of the brush head 24 is adjusted on the support rod 22 to correspond to the position of the rotating body to be printed below. The position is fixed in the positioning screw hole by locking the positioning screw to accurately print the rotating body. Fixed knobs 211 are provided on both sides of the rotating block 23 on the mounting seat 21, and the knobs are twisted to fix it.

[0058] In another embodiment of the present invention, Figure 1 and Figures 4 to 6As shown, the brush head 24 includes a lifting cylinder 241, a mounting block 242 and a scraper 243. The lifting cylinder 241 realizes the separation and operation of the brush head 24 in the working state. The lifting cylinder 241 is slidably mounted on the support rod 22, and the mounting block 242 is fixedly mounted on the moving end at the bottom of the lifting cylinder 241. The scraper 243 is fixedly mounted on the bottom of the mounting block 242. A concave mounting groove is provided at the bottom of the mounting block 242. The mounting block 242 is slidably connected to the two side surfaces of the lifting cylinder 241, so that the mounting block 24 2 is more stable in the process of moving up and down, preventing the scraper 243 from shaking due to the unstable up and down movement, so that the excess ink on the scraper 243 falls outside the working area. The scraper 243 is fixedly installed in the concave installation groove, and the lifting cylinder 241 drives the installation block 242 to move up and down, thereby driving the scraper 243 to move up and down, and the scraper 243 extends into the screen frame 30. The scraper 243 extends into the screen frame 30, which can apply a certain force to the screen plate, improve the quality of printing, and is used to scrape the ink in the screen frame 30.

[0059] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A rotary printing device, characterized in that: The invention comprises a frame, a scraper device, a screen frame, a driving mechanism and a rotating support mechanism; the frame is provided with a supporting vertical plate, the driving mechanism is provided on the frame, and the driving mechanism is connected to the screen frame for driving the screen frame to reciprocate and translate; the scraper device is provided on the supporting vertical plate, and the scraper of the scraper device extends into the screen frame for scraping the ink in the screen frame; the rotating support mechanism comprises a lifting member and two groups of supporting wheels arranged opposite to each other on the lifting member, the lifting member is provided on the frame, and the two supporting wheels form a positioning support position for radial positioning of the rotating body to be printed; the lifting member is used to drive the supporting wheels to lift the rotating body to be printed upward to the bottom of the screen frame, and the screen frame translates to drive the rotating body to be printed to rotate; The frame is provided with a circulating conveying device; The circulating conveying device includes a circulating conveying surface, a plurality of positioning members are arranged on the circulating conveying surface, each positioning member includes two supporting plates arranged opposite to each other on the circulating conveying surface, a clearance position for the lifting member to pass through is formed between the two supporting plates, and a positioning groove is arranged on at least one supporting plate of each positioning member for radial positioning of the rotating body to be printed; The circulating conveying device comprises two chain conveying mechanisms arranged in parallel, and the two supporting plates of each group of the positioning members are arranged on the chain conveying mechanisms in pairs; The driving mechanism comprises a motor, a support seat, a rotating shaft, an eccentric connecting member, a guide rail, a movable seat and a connecting member; the motor and the support seat are arranged on the frame, the rotating shaft rotatably passes through the support seat, and one end is connected to the main shaft of the motor, and the other end is connected to the eccentric connecting member, and the eccentric connecting member is provided with an eccentric part eccentrically arranged with the rotating shaft; the guide rail is arranged on the supporting vertical plate, and the movable seat is slidably connected to the guide rail; one end of the connecting member is rotatably connected to the eccentric part, and the other end is rotatably connected to the movable seat; the screen frame is fixedly connected to the movable seat; The lifting member includes a guide seat, a push rod, a guide shaft, a connecting rod, a cam shaft and a chain transmission mechanism; the lower end of the supporting vertical plate extends into the interior of the frame; the guide seat is arranged on one side of the lower end of the supporting vertical plate; the push rod and the guide shaft are vertically slidably connected with the guide seat, and the connecting rod connects the push rod and the upper end of the guide shaft; the connecting rod is provided with a mounting boss extending upward, and the supporting wheel is arranged on the mounting boss; the lower end of the push rod is provided with an abutment portion; the camshaft rotatably passes through the lower end of the supporting vertical plate, and the end of the camshaft is provided with a cam that contacts the abutment portion; the chain transmission mechanism connects the camshaft and the rotating shaft; The rotating support mechanism also includes a limiting push rod, a connecting seat, a limiting block, a sliding block and a pushing block; the connecting seat and the limiting block are relatively arranged on both sides of the circulating conveying device, the sliding block is slidably connected to the connecting seat, and the sliding block is provided with a toggle groove; the pushing block is provided with an inclined toggle part, and the toggle part is used to extend into the toggle groove to push the sliding block to slide, one end of the limiting push rod is connected to the sliding block, and the other end is provided with a rotating sleeve, which is used to limit the rotating body to be printed on one side of the limiting block.

2. The rotary printing device according to claim 1, characterized in that: The eccentric connector includes a connector body, an adjustment block and a screw; the connector body is connected to the rotating shaft, the adjustment block is slidably connected to the connector body, and the screw is connected to the adjustment block for fixing the adjustment block on the connector body.

3. The rotary printing device according to claim 1, characterized in that: One end of the connecting rod extends to the bottom end of the connecting seat, and the pushing block is connected to the connecting rod.

4. The rotary printing device according to claim 1, characterized in that: The screen frame includes a mounting plate, a rotating plate and two mounting support rods; the mounting plate is connected to the movable seat; one end of the rotating plate is rotatably mounted on the top of the mounting plate; the two mounting support rods are respectively fixedly connected to the other end of the rotating plate, and the two mounting support rods are arranged opposite to each other; the screen plate is arranged on the two mounting support rods.

5. The rotary printing device according to claim 1, characterized in that: The scraper device includes a mounting seat, a support rod, a rotating block, a brush head and a balancing block. The mounting seat is installed on the supporting vertical plate, the support rod spans above the circulating conveying device, the rotating block is fixedly mounted on one end of the support rod, and the rotating block is rotatably connected to the mounting seat, the other end of the support rod is fixedly connected to the balancing block, the brush head is slidably mounted on the support rod, and a fixing screw hole is provided on the brush head, and the brush head is located between the balancing block and the mounting seat.

6. The rotary printing device according to claim 5, characterized in that: The brush head includes a lifting cylinder, a mounting block and a scraper. The lifting cylinder is slidably mounted on the support rod, the mounting block is fixedly mounted on the movable end at the bottom of the lifting cylinder, the scraper is fixedly mounted on the bottom of the mounting block, and the scraper extends into the screen frame to scrape the ink in the screen frame.

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