Rotary printing press

Abstract

The present invention belongs to the technical field of printing equipment, and in particular, relates to a rotary printing machine, including a machine platform, a circulating conveying device, a feeding mechanism, a screen printing device, a driving mechanism and a rotating support mechanism; the circulating conveying device is arranged on the machine platform, the circulating conveying device includes a circulating conveying surface, and a plurality of positioning members are arranged on the circulating conveying surface, each positioning member includes two support plates relatively arranged on the circulating conveying surface, a space avoidance position is formed between the two support plates, and a positioning groove is arranged on at least one support plate of each positioning member; the feeding mechanism and the screen printing device are arranged in sequence along the conveying direction of the circulating conveying device; the rotating support mechanism includes a lifting member and two groups of relatively arranged support wheels arranged on the lifting member, the lifting member is arranged on the machine platform, the two support wheels form a positioning support position for radial positioning of the rotary body to be printed, and the driving mechanism is arranged on the frame. Through the above arrangement, the printing efficiency of the rotary printing machine is effectively improved.

Description

Technical Field

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

[0002] Medicinal glass bottles are characterized by being smooth and transparent, easy to disinfect, corrosion-resistant, high-temperature-resistant, and having 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 the use of printing equipment to complete this process. The printing equipment in the prior art prints patterns or fonts on the outer surface of the glass bottles by operating the glass bottles. The medicinal glass bottles need to be grabbed to the printing station for printing and then placed back on the conveying device to obtain glass bottles with different patterns or fonts. When the printing equipment in the prior art is used to print medicinal glass bottles, there is a technical problem of low printing efficiency. Summary of the invention

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

[0004] To achieve the above-mentioned purpose, an embodiment of the present invention provides a rotary printing machine, comprising a machine platform, a circulating conveying device, a feeding mechanism, a screen printing device, a driving mechanism and a rotating support mechanism; the circulating conveying device is arranged on the machine platform, the circulating conveying device comprises a circulating conveying surface, a plurality of positioning members are arranged on the circulating conveying surface, each of the positioning members comprises two supporting plates relatively arranged on the circulating conveying surface, an avoidance position is formed between the two supporting plates, and at least one of the supporting plates of each of the positioning members is provided with a positioning groove for radial positioning of the rotary body to be printed; the feeding mechanism and the screen printing device are arranged on the machine platform, the circulating conveying device comprises a circulating conveying surface, a plurality of positioning members are arranged on the circulating conveying surface, each of the positioning members comprises two supporting plates relatively arranged on the circulating conveying surface, a space is formed between the two supporting plates, and a positioning groove is arranged on at least one supporting plate of each of the positioning members for radial positioning of the rotary body to be printed The devices are arranged in sequence along the conveying direction of the circulating conveying device; the silk-screen printing device is used to print patterns on the surface of the rotating body to be printed; 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 machine platform, 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 extend upward from the avoidance position and lift the rotating body to be printed to the bottom of the silk-screen printing device, and the driving mechanism is arranged on the machine platform, and is used to drive the rotating body to be printed on the positioning support position to rotate.

[0005] 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 arranged on the chain conveying mechanisms in pairs.

[0006] Preferably, the screen printing device comprises a screen frame and a scraper device, the driving mechanism is connected to the screen frame and is used to drive the screen frame to reciprocate, and the scraper of the scraper device extends into the screen frame and is used to scrape the ink in the screen frame.

[0007] Preferably, the driving mechanism includes a motor, a support base, a rotating shaft, an eccentric connecting member, a guide rail, a movable base and a connecting member; a mounting plate is provided on the machine platform, the motor and the support base are arranged on the machine platform, the rotating shaft rotatably passes through the support base, 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 provided on the mounting plate, and the movable base 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 base; the screen frame is fixedly connected to the movable base.

[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 mounting plate extends into the interior of the machine; the guide seat is arranged on one side of the lower end of the mounting plate; the push rod and the guide shaft are vertically slidably connected to 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 mounting 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 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 mounting vertical plate, the rotating block is fixedly installed on one end of the support rod, and the rotating block is rotatably connected to the mounting seat, and the other end of the support rod is connected to the balancing block; the brush head is slidably installed on the support rod, and a fixing screw hole for fixing is provided on the brush head; the brush head is located between the balancing block and the mounting seat, and the brush head extends into the mesh frame.

[0012] 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.

[0013] Preferably, the feeding mechanism includes a feeding drive device, a discharge gear and a feeding tray, a movable cylinder is arranged at the bottom of the feeding drive device, and the two ends of the movable cylinder are rotatably connected with the feeding drive device and the circulating conveying device respectively; the feeding drive device is rotatably mounted on the circulating conveying device, the output end of the feeding drive device passes through the feeding tray and is fixedly connected with the discharge gear, and the discharge gear is arranged near the bottom of the feeding tray; the feeding tray is inclined from bottom to top away from the circulating conveying device, and a discharge port is arranged at the bottom of the feeding tray.

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

[0015] The rotary printing machine in the present invention is assembled from a machine table, a circulating conveying device, a feeding mechanism, a screen printing device and a rotating support mechanism. During assembly, the circulating conveying device, the feeding mechanism, the screen printing device and the rotating support mechanism are all fixedly installed on the upper surface of the machine table to facilitate the mutual coordination and cooperation of each mechanism after assembly. The machine table is placed along the Y-axis direction, and then the circulating conveying device is fixedly installed on the upper surface of the machine table along the Y-axis direction, and the head and tail ends of the circulating conveying device are respectively located at the edge positions of the two opposite sides of the machine table, which facilitates the process connection between the rotary printing machine and other production equipment, and the circulating conveying device is arranged along one side edge of the upper surface of the machine table, leaving enough space for installing the feeding mechanism, the screen printing device and the rotating support mechanism.

[0016] The feeding cabinet and the screen printing device are fixedly installed on the machine platform in sequence, and are both located on the same side of the circulating conveyor device. The rotating support mechanism is also fixedly installed on the upper surface of the machine platform. A plurality of positioning members are arranged on the conveying surface of the circulating conveyor device to position the rotating body to be printed, so as to prevent the rotating body to be printed from rolling on the conveying surface of the circulating conveyor device. In addition, vertically through-hole avoidance holes and support plates arranged oppositely on both sides are arranged on the positioning members. A positioning groove is arranged on at least one support plate for positioning. The screen printing device is assembled from a screen frame, a scraper device and a driving mechanism. The driving mechanism drives the screen frame to perform reciprocating translational motion, so that the scraper extending into the screen frame The plate device squeezes the ink to achieve printing, and the rotating support mechanism includes a lifting member and two sets of support wheels arranged opposite to each other on the lifting member. A positioning support position for placing the rotating body to be printed is formed between the two sets of support wheels to achieve radial positioning of the rotating body to be printed. The rotating body to be printed is smoothly rotated by the support wheels closely attached to both sides of the rotating body to be printed. The lifting member extends upward in the avoidance position on the circulating conveying device and lifts the rotating body to be printed, so that the rotating body to be printed is closely attached to the bottom of the screen frame. The screen frame moves under the drive of the driving mechanism, thereby driving the rotating body to be printed to rotate, and completing the printing of relevant patterns on the surface of the rotating body to be printed. Through the above arrangement, the printing efficiency of the rotary printing machine is effectively improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] 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.

[0018] Figure 1 This is a rendering of the rotary printing machine provided in an embodiment of the present invention.

[0019] Figure 2 for Figure 1 A partial enlarged view of middle A.

[0020] Figure 3 for Figure 1 A partial enlarged view of B.

[0021] Figure 4 This is a rendering of the feeding mechanism of the rotary printing press provided in an embodiment of the present invention.

[0022] Figure 5 This is a rendering of a first embodiment of a screen printing device and a rotating support mechanism of a rotary printing machine provided in an embodiment of the present invention.

[0023] Figure 6This is a rendering of the effect of the brush head of the silk-screen printing device of the rotary printing machine provided in an embodiment of the present invention.

[0024] Figure 7 This is a rendering of the discharge position of the rotary printing press provided in an embodiment of the present invention.

[0025] Figure 8 This is a rendering of a second embodiment of the screen printing device and the rotary support mechanism of the rotary printing machine provided in an embodiment of the present invention.

[0026] Fig. 9 This is a rendering of the driving mechanism of the rotary printing press provided in an embodiment of the present invention.

[0027] Among them, the reference numerals in the figure are:

[0028] 10—Machine 11—X-axis moving device 12—Y-axis moving device

[0029] 13—Z-axis moving device 14—Clamping device 20—Circulating conveying device

[0030] 21—support plate 22—positioning groove 30—feeding mechanism

[0031] 31 - feeding tray 32 - feeding drive device 33 - unloading gear

[0032] 40—screen printing device 41—screen frame 42—scraper device

[0033] 43 - driving mechanism 50 - rotating support mechanism 51 - lifting member

[0034] 52—mounting boss 421—mounting seat 422—support rod

[0035] 423—brush head 424—balance block 425—rotating block

[0036] 431 - motor 432 - support seat 433 - guide rail

[0037] 434 - rotating shaft 435 - eccentric connecting piece 436 - moving seat

[0038] 437—connecting piece 111—fixing plate 112—carrying plate

[0039] 113 - sliding assembly 114 - transmission mechanism 121 - mounting frame

[0040] 122—Mounting plate 141—Connecting plate 142—Clamping cylinder

[0041] 143—clamp assembly 511—guide seat 514—push rod

[0042] 513 - guide shaft 514 - connecting rod 515 - camshaft

[0043] 516—chain drive mechanism 4211—fixed knob 4231—lifting cylinder

[0044] 4232—Mounting block 4233—Scraper 5141—Limiting ejector rod

[0045] 5142—Connecting seat 5143—Limiting block 5144—Sliding block

[0046] 5145—Push block. DETAILED DESCRIPTION

[0047] The following describes in detail embodiments of the present invention. Examples of the embodiments are shown in the attached Figures 1 to 9 , 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.

[0048] 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.

[0049] 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.

[0050] 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.

[0051] In one embodiment of the present invention, Figures 1-2 and Figures 4-5 As shown, a rotary printing machine is provided, including a machine table 10, a circulating conveying device 20, a feeding mechanism 30, a screen printing device 40 and a rotating support mechanism 50; a conveying step sensing device is arranged on the circulating conveying device 20, and the moving frequency of the circulating conveying device 20 is controlled by the conveying step sensing device to control the conveying speed of the rotary body to be printed on the circulating conveying device 20. The circulating conveying device 20 is arranged on the machine table 10, and the circulating conveying device 20 includes a circulating conveying surface, and the circulating conveying surface is arranged for placing the rotary 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, so that the position interval of the rotary body to be printed on the circulating conveying surface is clear, and the position of the rotary body to be printed is avoided from moving, thereby affecting the printing effect. Each of the positioning members includes two support plates 21 arranged relatively on the circulating conveying surface, and the two support plates 21 are used to support the two end positions of the rotary body to be printed, and the rotary body to be printed is placed on the two support plates 21 for smooth transportation.

[0052] A clearance space is formed between the two support plates 21, and at least one of the support plates 21 of each positioning member is provided with a positioning groove 22 for radial positioning of the rotating body to be printed. One positioning groove 22 positions one end of the rotating body to be printed, and the other end is placed on the other support plate 21, which can achieve positioning and placement through one end to prevent movement. The positioning grooves 22 are provided on both support plates 21, which can more effectively limit the position of both ends of the rotating body to be printed, and the transportation process is more stable, which is used for radial positioning of the rotating body to be printed, and the radial positioning is achieved to prevent the rotating body to be printed from rolling; the feeding mechanism 30 and the screen printing device 40 are arranged in sequence along the conveying direction of the circulating conveying device 20; the screen printing device 40 includes a screen frame 41, a scraper device 42 and a driving mechanism 43, the driving mechanism 43 is connected to the screen frame 41, and the driving mechanism 43 is fixedly installed on the machine table 10 to drive the screen frame 41 to move, and is used to drive the screen frame 41 to reciprocate.

[0053] The scraper device 42 extends into the screen frame 41 to scrape the ink in the screen frame 41; the rotating support mechanism 50 includes a lifting member 51 and two groups of supporting wheels arranged opposite to each other on the lifting member 51. The lifting member 51 is arranged on the machine platform 10 and is partially located in the machine platform 10, which can save the top space of the machine platform 10. The two supporting wheels form a positioning support position for radial positioning of the rotating body to be printed and the distance between the positioning support positions can be adjusted. The two groups of supporting wheels are respectively fixedly installed on the lifting member 51 to adapt to rotating bodies to be printed of different lengths and expand the model of rotating bodies to be printed; the lifting member 51 is used to drive the supporting wheels to extend upward from the avoidance position and lift the rotating body to be printed to the bottom of the screen frame 41, and the lifting member 51 is rotated to its avoidance position. After reaching the top, it rises in the pause gap so that the two groups of support wheels will bring the top of the rotating body to be printed into contact with the bottom of the screen of the screen frame 41, and the printing is completed through the reciprocating movement and rotation of the screen frame 41. Then the lifting member 51 descends and is retracted to the bottom of the avoidance position, and the rotating body that has completed printing returns to the support part, and the circulating conveying device 20 continues to run and repeats the operation, and multiple groups of screen printing devices 40 and rotating support mechanisms 50 can also be provided. The power of the multiple groups of screen printing devices 40 and rotating support mechanisms 50 is fixedly connected through a transmission rod between the moving seats 436 on the guide rails 433 to realize power drive, and the change of the conveying movement frequency is completed by controlling and adjusting the stepping sensing device provided on the circulating conveying device 20, so as to adapt to the printing efficiency of the rotary printing machine provided with multiple groups of screen printing devices 40 and rotating support mechanisms 50.

[0054] The rotary printing machine in the present invention is assembled from a machine table 10, a circulating conveying device 20, a feeding mechanism 30, a screen printing device 40 and a rotating support mechanism 50. During assembly, the circulating conveying device 20, the feeding mechanism 30, the screen printing device 40 and the rotating support mechanism 50 are all fixedly installed on the upper surface of the machine table 10 to facilitate the mutual coordination and cooperation of each mechanism after assembly. The machine table 10 is placed along the Y-axis direction, and then the circulating conveying device 20 is fixedly installed on the upper surface of the machine table 10 along the Y-axis direction, and the head and tail ends of the circulating conveying device 20 are respectively located at the edge positions of the two opposite sides of the machine table 10, which is convenient for the process connection between the rotary printing machine and other production equipment, and the circulating conveying device 20 is arranged along one side edge of the upper surface of the machine table 10, leaving enough space for installing the feeding mechanism 30, the screen printing device 40 and the rotating support mechanism 50.

[0055] The feeding mechanism 30 and the screen printing device 40 are fixedly installed on the machine table 10 in sequence, and are both located on the same side of the circulating conveyor 20. The rotating support mechanism 50 is also fixedly installed on the upper surface of the machine table 10. A plurality of positioning members are arranged on the conveying surface of the circulating conveyor 20 to position the rotating body to be printed, so as to prevent the rotating body to be printed from rolling on the conveying surface of the circulating conveyor 20. In addition, vertically through-hole avoidance holes and support plates 21 arranged oppositely on both sides are arranged on the positioning members. A positioning groove 22 is arranged on at least one support plate 21 for positioning. The screen printing device 40 is assembled with a screen frame 41, a scraper device 42 and a driving mechanism 43. The driving mechanism 43 drives the screen frame 41 to make a reciprocating translation motion. The scraper device 42 extending into the screen frame 41 squeezes the ink to achieve printing. The rotating support mechanism 50 includes a lifting member 51 and two sets of support wheels arranged opposite to each other on the lifting member 51. A positioning support position for placing the rotating body to be printed is formed between the two sets of support wheels to achieve radial positioning of the rotating body to be printed. The rotating body to be printed is smoothly rotated by the support wheels closely attached to both sides of the rotating body to be printed. The lifting member 51 extends upward in the avoidance position on the circulating conveying device 20 and lifts the rotating body to be printed, so that the rotating body to be printed is closely attached to the bottom of the screen frame 41. The screen frame 41 moves under the drive of the driving mechanism 43, thereby driving the rotating body to be printed to rotate, and completing the printing of the relevant pattern on the surface of the rotating body to be printed. Through the above-mentioned settings, the printing efficiency of the rotary printing machine is effectively improved.

[0056] In another embodiment of the present invention, Figures 1-2 As shown, the circulating conveying device 20 includes two chains arranged in parallel and two chain conveying mechanisms arranged in parallel, forming a circulating conveying surface between the two for placing the rotating body to be printed, and the two support plates 21 of each group of the positioning members are respectively arranged on the chain conveying mechanisms in pairs, and the support plates 21 on the two chain conveying mechanisms are used to position one end of the rotating body to be printed through the positioning grooves 22 arranged thereon.

[0057] In another embodiment of the present invention, Figures 8-9As shown, the driving mechanism 43 includes a motor 431, a support seat 432, a rotating shaft 434, an eccentric connecting member 435, a guide rail 433, a movable seat 436 and a connecting member 437; a mounting plate is provided on the machine platform 10, and the mounting plate provides a mounting position. The motor 431 and the support seat 432 are arranged on the machine platform 10, and the rotating shaft 434 rotatably passes through the support seat 432, and one end is connected to the main shaft of the motor 431, the motor 431 drives the rotating shaft 434 to rotate, and the other end is connected to the eccentric connecting member 435, and the power of the motor 431 is transmitted to the eccentric connecting member 435 through the rotating shaft 434 to realize the operation of the eccentric connecting member 435, and the eccentric connecting member 435 is provided with an eccentric part eccentrically arranged with the rotating shaft 434; through the setting of the eccentric part, The rotation of 434 drives the lower eccentric part to move in position, and the guide rail 433 is arranged on the mounting plate. The guide rail 433 is fixedly mounted on the mounting plate and fixed facing the moving trajectory of the moving seat 436, and the moving seat 436 is slidably connected to the guide rail 433; the moving seat 436 is slidably mounted on the guide rail 433 to limit the maximum sliding stroke of the moving seat 436, one end of the connecting member 437 is rotationally connected to the eccentric part, and the other end is rotationally connected to the moving seat 436; one end of the connecting member 437 that is rotationally connected to the eccentric part can move up and down, and the up and down movement of one end pulls the other end of the connecting member 437 to move back and forth on the guide rail 433, and the net frame 41 is fixedly connected to the moving seat 436, and the net frame 41 follows the moving seat 436 to move back and forth along the guide rail 433.

[0058] Furthermore, an air avoidance hole is opened on the mounting plate, the guide rail 433 is fixedly mounted on the mounting plate, and the guide rail 433 spans over the air avoidance hole, the reciprocating movement range of the movable seat 436 is located in the air avoidance hole, and the movable seat 436 passes through the air avoidance hole to connect with the screen frame 41, thereby driving the screen frame 41 to reciprocate in the air avoidance hole.

[0059] In another embodiment of the present invention, Figures 8-9 As shown, the eccentric connector 435 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 436; the connector body is connected to the rotating shaft 434, 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.

[0060] 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.

[0061] In another embodiment of the present invention, Figure 5 and Figure 8 As shown, the lifting member 51 includes a guide seat 511, a push rod 514, a guide shaft 513, a connecting rod 514, a cam shaft 515 and a chain transmission mechanism 516; the lower end of the mounting plate extends into the inside of the machine 10, and the lower end of the mounting plate is used to provide a mounting position, thereby reducing the installation space requirement above the machine 10 and facilitating the arrangement of various devices; the guide seat 511 is arranged on one side of the lower end of the mounting plate; the push rod 514 and the guide shaft 513 are vertically connected to the guide seat 511 is a sliding connection, and the push rod 514 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 514 and the upper end of the guide shaft 513. The connecting rod 514 moves up and down under the drive of the push rod 514. On the one hand, the guide shaft 513 guides the up and down movement of the connecting rod 514, and on the other hand, moves the center of the connecting rod 514 backward, so that the connection position between the connecting rod 514 and the push rod 514 is not easily damaged.

[0062] The connecting rod 514 is provided with an upwardly extending mounting boss 52, the mounting boss 52 is fixedly mounted on the connecting rod 514, and the supporting wheel is arranged on the mounting boss 52; the supporting wheel is rotatably mounted on the top of the mounting boss 52, and the lower end of the push rod 514 is provided with an abutment portion; a bearing is rotatably mounted on the side of the abutment portion, and the cam shaft 515 rotatably passes through the lower end of the mounting vertical plate, 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, and the cam is located below the bearing, and is connected by the cam The rotation of the wheel causes the bearing to be lifted and returned to its original position, and the push rod 514 moves up and down with the bearing, thereby pushing the connecting rod 514 to move up and down. The connecting rod 514 drives the mounting boss 52 to push the supporting wheel to move up and down, 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 434, and the rotating shaft 434 drives the camshaft 515 to rotate through the chain transmission mechanism 516. The synchronous control of the screen frame 41 and the rotating support mechanism 50 is achieved by moving the power source. The structure is simpler and easy to adjust.

[0063] Furthermore, a cam can be arranged above the bearing, and a return spring can be arranged in the guide seat 511. The push rod 514 passes through the return spring and is slidably connected to the guide seat 511. When the return spring is in the initial state, the top of the push rod 514 is in the highest position. The rotation of the cam pushes the bearing downward, thereby driving the push rod 514 to descend. When the cam rotates to the other side, the push rod 514 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 514.

[0064] In another embodiment of the present invention, 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, and 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 20, the connecting seat 5142 is fixedly installed on the side of the circulating conveying device 20, and the limiting block 5143 is fixedly installed at the top edge position of the circulating conveying device 20, and is used to cooperate with the limiting top rod 5141 to prevent the rotating body to be printed from falling, and the sliding block 5144 is slidably connected to the connecting seat 5142, and the sliding block 5144 is slidably connected along a conveying direction perpendicular to the circulating conveying device 20, and a toggle groove is provided on the sliding block 5144, and a through hole is also provided on the connecting seat 5142.

[0065] One end of the connecting rod 514 extends to the bottom end of the connecting seat 5142, and the push block 5145 is connected to the connecting rod 514; the connecting rod 514 drives the push block 5145 to move up and down, and the push block 5145 is provided with an inclined toggle portion, which is inclined from bottom to top in a direction away from the circular conveying device 20, and 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 circular conveying device 20 pushes the slider 5144 44 moves close to the circulating conveying device 20. When the toggle portion moves downward, the side of the toggle portion facing away from the circulating conveying device 20 pushes the slider 5144 to move away from the circulating conveying device 20. One end of the limiting push rod 5141 is connected to the slider 5144. The slider 5144 pushes the limiting push rod 5141 to move. A rotating sleeve is provided at the other end. The rotating sleeve can rotate with the rotating body to be printed after the rotating body to be printed contacts, thereby reducing the friction between the rotating body to be printed and the contact surface after the rotating body to be printed contacts, and is used to limit the rotating body to be printed on one side of the limiting block 5143.

[0066] In another embodiment of the present invention, Figures 5-6 and Figure 8As shown, the scraper device 42 includes a mounting seat 421, a support rod 422, a rotating block 425, a brush head 423 and a balancing block 424. A bottom plate is arranged on the mounting seat 421, and the bottom plate is arranged parallel to the top of the machine platform 10. A limiting hole is arranged on the bottom plate. The mounting seat 421 is installed on the mounting vertical plate. The support rod 422 spans above the circulating conveying device 20. The rotating block 425 is fixedly installed on one end of the support rod 422, and the rotating block 425 is rotatably connected to the mounting seat 421. A limiting strip is rotatably installed on the rotating block 425, and a slot is provided 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 425 is rotated. The rotating block 425 is rotatably installed on the mounting seat 421, and the rotating block 425 is rotated by clamping the limiting strip with the limiting hole. After moving to 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 422 is fixedly connected to the balance block 424. The pressure of the balance block 424 is used to prevent the brush head 423 from moving upward during printing and affecting the printing effect. The brush head 423 is slidably installed on the support rod 422, and a fixing screw hole is provided on the brush head 423. The brush head 423 is located between the balance block 424 and the mounting seat 421. The position of the brush head 423 is adjusted on the support rod 422 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 4211 are provided on both sides of the rotating block 425 on the mounting seat 421, and the knob is fixed by twisting it.

[0067] In another embodiment of the present invention, Figures 5-6 and Figure 8As shown, the brush head 423 includes a lifting cylinder 4231, a mounting block 4232 and a scraper 4233. The lifting cylinder 4231 is slidably mounted on the support rod 422. The lifting cylinder 4231 realizes the separation and operation of the brush head 423 in the working state. The mounting block 4232 is fixedly mounted on the moving end at the bottom of the lifting cylinder 4231. The scraper 4233 is fixedly mounted on the bottom of the mounting block 4232. A concave mounting groove is provided at the bottom of the mounting block 4232. The mounting block 4232 is slidably connected to the two side surfaces of the lifting cylinder 4231, so that the mounting The block 4232 is more stable during the up and down movement, preventing the scraper 4233 from shaking due to the unstable up and down movement, so that the excess ink on the scraper 4233 falls outside the working area. The scraper 4233 is fixedly installed in the concave mounting groove, and the lifting cylinder 4231 drives the mounting block 4232 to move up and down, thereby driving the scraper 4233 to move up and down, and the scraper 4233 extends into the screen frame 41. The scraper 4233 extends into the screen frame 41, which can exert a certain force on the screen plate, improve the printing quality, and is used to scrape the ink in the screen frame 41.

[0068] In another embodiment of the present invention, Figure 1 and Figure 4 As shown, the feeding mechanism 30 includes a feeding drive device 32, a feeding gear 33 and a feeding tray 31. The gear groove on the feeding gear 33 is used to place the rotating body to be printed. Multiple rotating bodies to be printed are stacked one by one on the feeding tray 31. A movable cylinder is provided at the bottom of the feeding drive device 32. The two ends of the movable cylinder are respectively rotatably connected to the feeding drive device 32 and the circulating conveying device 20. The feeding drive device 32 is rotatably connected to the circulating conveying device 20, and the angle adjustment of the feeding drive device 32 is achieved by the extension and retraction of the movable cylinder. The feeding drive device 32 is rotatably installed on the circulating conveying device 20. The output end passes through the loading tray 31 and is fixedly connected with the discharge gear 33. The loading drive device 32 rotates to drive the discharge gear 33 to rotate. The discharge gear 33 drives each rotating body to be printed to rotate in an orderly manner for loading, and the discharge gear 33 is arranged near the bottom of the loading tray 31. The loading tray 31 is inclined from bottom to top away from the circulating conveying device 20. A discharge port is arranged at the bottom of the loading tray 31. The loading tray 31 with a certain inclination angle can prevent the printed rotating body from falling during operation. At the same time, the bottom discharge port warehouse is located above the circulating conveying surface of the circulating conveying device 20, and the rotating bodies to be printed fall onto the circulating conveying surface one by one for transportation.

[0069] In another embodiment of the present invention, Figure 1 and Figure 7As shown, the machine table 10 is provided with an X-axis moving device 11, a Y-axis moving device 12, a Z-axis moving device 13 and a clamping device 14. The assembly and cooperation between the X-axis moving device 11, the Y-axis moving device 12 and the Z-axis moving device 13 realize the three-dimensional movement of the clamping device 14. The Y-axis moving device 12 is fixedly installed on the machine table 10, and the Y-axis moving device 12 is adjacent to the circulating conveying device 20. The Y-axis moving device 12 is located at the end of the conveying direction of the circulating conveying device 20, and the moving direction of the Y-axis moving device 12 is consistent with the conveying direction of the circulating conveying device 20, and one end extends out of the end of the circulating conveying device 20 and extends backward, which is used to move the position of the clamping device 14 out of the range of the machine table 10. The Z-axis moving device 13 is fixedly installed on the Y-axis moving device On the moving end of the moving device 12, the Z-axis moving device 13 is used to realize the position change in the vertical direction on the basis of moving along the Y-axis. The X-axis moving device 11 is fixedly installed on the moving end of the Z-axis moving device 13, and the X-axis adds the position change in the X-axis direction to the Z-axis moving device 13, so as to enrich the moving direction of the clamping device 14, and the X-axis moving device 11 is located above the circulating conveying device 20, and the clamping device 14 is fixedly installed on the X-axis moving device 11. The clamping device 14 is installed on the X-axis moving device 11, and the X-axis moving device 11 spans above the circulating conveying device 20. On the one hand, it can realize the clamping of the rotating body after printing is completed, and on the other hand, it is used to place the rotating body after printing after grabbing on the conveyor belt (not shown in the figure) at different positions.

[0070] Two or more conveyor belts are provided, all of which are arranged at the end of the circulating conveying device 20, for receiving the printed rotary body transferred by the clamping device 14, and the placement of multiple conveyor belts can make one of the conveyor belts dock with the circulating conveying device 20 for receiving, and the conveyor belt thereof is arranged adjacent to the conveyor belt, so that part of the printed rotary body can be directly clamped and placed on the rear conveyor belt through the movement of the clamping device 14 in the Y-axis direction, and part of the printed rotary body can be clamped and moved in the X-axis and Y-axis directions of the clamping device 14 and placed on another conveyor belt; each conveyor belt can also place the docking position of the end of the circulating conveying device 20 between two adjacent conveyor belts, and the clamping device 14 clamps the printed rotary body and places it on one of the conveyor belts, and after returning to its position, it is clamped and moved and placed on the other conveyor belt, and this operation is repeated to realize multi-directional discharge.

[0071] like Figure 1 and Figure 7As shown, the Y-axis moving device 12 is provided with a mounting frame 121 and a mounting plate 122, the mounting frame 121 is fixedly mounted on the upper surface of the machine table 10, and the mounting frame 121 is a frame composed of a mounting base plate, two vertical plates and a top plate, the mounting base plate is fixedly mounted on the upper surface of the machine table 10, the two vertical plates are relatively fixedly mounted on the edge positions on both sides of the upper surface of the mounting base plate, and the top plate is fixedly mounted on the top of the two vertical plates, and the mounting base plate and the top plate have the same shape and size, the mounting base plate and the upper surface of the machine table 10 are both provided with threading holes for line installation, the mounting plate 122 is fixedly mounted on the upper end portion of the side of the mounting frame 121, one end of the side of the mounting plate 122 is provided with two right-angle support plates 21 and the mounting base plate, the mounting base plate is fixed The Y-axis moving device 12 is fixedly installed on the upper surface of the top plate, and the two right-angle support plates 21 are relatively fixedly installed on the upper surface of the mounting base plate, and the two right-angle sides of the right-angle support plate 21 are respectively fixedly connected to the mounting plate 122 and the mounting base plate, the mounting plate 122 is located on one side edge of the mounting base plate, and the Y-axis moving device 12 is arranged on the mounting plate 122, the Y-axis moving device 12 is fixedly installed on the side of the mounting plate 122, and the Y-axis moving device 12 is located above the mounting frame 121, and a sensor sheet is also arranged on the Y-axis moving device 12, and a sensor is arranged on the side of the mounting plate 122 for sensing the real-time position of the moving end of the Y-axis moving device 12, and the Z-axis moving device 13 is located on the other side of the mounting plate 122, and is arranged opposite to the Y-axis moving device 12.

[0072] like Figure 1 and Figure 7 As shown, a slide groove is provided on the mounting plate 122 for connecting the moving end of the Y-axis moving device 12 with the Z-axis moving device 13, and the Z-axis moving device 13 is slidably connected to the mounting plate 122. Driven by the moving end of the Y-axis moving device 12, the entire Z-axis moving device 13 slides on the mounting plate 122 according to two slide rails to reduce the friction of movement. The output end of the Z-axis moving device 13 is fixedly connected to the X-axis moving device 11, and a Z-axis cylinder is provided on the Z-axis moving device 13. The output end of the Z-axis cylinder is fixedly connected to the X-axis moving device 11. The X-axis moving device 11 is fixedly connected to move in the Z-axis direction, and the X-axis moving device 11 is slidably connected to the vertical bottom plate of the Z-axis moving device 13. The reduction of the moving friction is achieved by arranging two slide rails on the vertical bottom plate. The clamping device 14 is fixedly connected to the moving end of the X-axis moving device 11. The clamping device 14 is fixedly installed on the moving end of the X-axis moving device 11 and is slidably connected to the side of the X-axis moving device 11 through two slide rails to reduce the friction during the movement and reduce the pressure on the moving end of the X-axis moving device 11 under the support of the two slide rails.

[0073] like Figure 1 and Figure 7As shown, the X-axis moving device 11 includes a fixed plate 111, a carrier plate 112, a sliding assembly 113 and a transmission mechanism 114. The fixed plate 111 is slidably connected to the vertical bottom plate of the Z-axis moving device 13. Two Z-axis sliding blocks are arranged on the side of the fixed plate 111 and are slidably connected to the slide rails on the vertical bottom plate to reduce the friction during the movement. At the same time, the support of the two slide rails and the Z-axis sliding blocks is used to reduce the connection pressure of the Z-axis cylinder. The top of the fixed plate 111 is fixedly connected to the output end of the Z-axis moving device 13. The carrier plate 112 is vertically installed on the side of the fixed plate 111. Two right-angle plates are assembled between the fixed plate 111 and the carrier plate 112 for fixing, so that the connection between the carrier plate 112 and the fixed plate 111 is more stable. The sliding assembly 113 and the transmission mechanism 114 are both fixedly installed on the carrier plate 112. The driving member of the transmission mechanism 114 is fixedly installed on the side of the carrier plate 112, and the output end of the transmission mechanism 114 passes through the carrier plate 112 and is connected with a driving wheel.

[0074] like Figure 1 and Figure 7 As shown, the auxiliary wheel of the transmission mechanism is installed on the other side of the carrier plate 112 relative to the driving wheel, and a conveyor belt is wound around the driving wheel and the auxiliary wheel. The sliding component 113 is fixedly installed on the carrier plate 112, and the sliding direction of the sliding component 113 is horizontally arranged with the conveying direction of the conveying mechanism 114. A fixed block is fixedly installed on the transmission belt of the conveying mechanism 114, and the fixed block is fixedly connected to the clamping device 14, and the clamping device 14 is fixedly connected to the X-axis slider of the sliding component 113, and the X-axis slider is fixedly connected to the fixed block. The fixed block is driven to move repeatedly by the conveying mechanism 114, so that the clamping device 14 moves repeatedly between the driving wheel and the auxiliary wheel. The setting of the X-axis slider and the slide rail supports the clamping device 14 to move on the slide rail, thereby reducing the pressure on the conveying belt.

[0075] like Figure 1 and Figure 7 As shown, at the end of the circulating conveyor 20, two conveyor belts for receiving the medicinal glass bottles transferred by the clamping device 14 are adjacently arranged, and the two conveyor belts can be placed in a way that one of the conveyor belts is connected to the circulating conveyor 20, and the other is arranged adjacent to the conveyor belt, so that some medicinal glass bottles are directly clamped and placed on the conveyor belt at the rear, and some medicinal glass bottles are clamped and placed on the other conveyor belt through the movement of the clamping device 14; the two conveyor belts can also be located on both sides of the extended position of the Y-axis conveyor device, and the clamping device 14 clamps the medicinal glass bottles and places them on one of the conveyor belts, returns to clamp and places them on the other conveyor belt, and repeats this operation to achieve two-way discharging.

[0076] like Figure 1 and Figure 7As shown, the clamping device 14 includes a connecting plate 141, a clamping cylinder 142 and two clamping plate assemblies 143. A plurality of planar clamps are arranged on one side of the clamping plate assembly 143. The planar clamps on the two clamping plate assemblies 143 are arranged relatively to each other and are used to clamp the head and tail ends of the medicinal glass bottle. The connecting plate 141 is fixedly mounted on the moving end of the X-axis moving device 11, and is replaced by the moving end fixedly mounted on the X-axis moving device 11. With the cooperation of the X-axis moving device 11, the Z-axis moving device 13 and the Y-axis moving device 12, the free movement of the position is realized. The clamping cylinder 142 is fixedly mounted on the bottom of the side of the connecting plate 141, and two non-adjacent sides are provided with moving claws. The opening and closing of the moving claws realizes the function of grasping. The two clamping plate assemblies 143 are respectively fixedly mounted on the bottom of the two moving claws, and the two clamping plate assemblies 143 are arranged relatively to each other and are used to clamp the glass bottle. The multiple planar clamps on the clamping plate assembly 143 can realize one-time clamping of multiple medicinal glass bottles, thereby improving the efficiency of material discharging and transfer.

[0077] 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 press, characterized in that: The invention comprises a machine platform, a circulating conveying device, a feeding mechanism, a screen printing device, a driving mechanism and a rotating support mechanism; the circulating conveying device is arranged on the machine platform, the circulating conveying device comprises a circulating conveying surface, a plurality of positioning members are arranged on the circulating conveying surface, each positioning member comprises two supporting plates arranged relatively on the circulating conveying surface, a clearance position 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 feeding mechanism and the screen printing device are arranged in sequence along the conveying direction of the circulating conveying device; the screen printing device is used to print patterns on the surface of the rotating body to be printed; the rotating support mechanism comprises a lifting member and two groups of supporting wheels arranged relatively on the lifting member, the lifting member is arranged on the machine platform, 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 wheel to extend upward from the clearance position and lift the rotating body to be printed to the bottom of the screen printing device, and the driving mechanism is arranged on the machine platform for driving the rotating body to be printed on the positioning support position to rotate; 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 screen printing device comprises a screen frame and a scraper device, the driving mechanism is connected to the screen frame and is used to drive the screen frame to reciprocate, and the scraper of the scraper device extends into the screen frame and is used to scrape the ink in the screen frame; The driving mechanism comprises a motor, a support base, a rotating shaft, an eccentric connecting member, a guide rail, a movable base and a connecting member; a mounting vertical plate is arranged on the machine platform, the motor and the supporting base are arranged on the machine platform, the rotating shaft rotatably passes through the supporting base, 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 mounting vertical plate, and the movable base 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 base; the screen frame is fixedly connected to the movable base; The lifting member comprises 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 mounting vertical plate extends to the inside of the machine platform; the guide seat is arranged on one side of the lower end of the mounting vertical 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 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 cam shaft rotatably passes through the lower end of the mounting vertical plate; the end of the cam shaft is provided with a cam in contact with the abutment portion; the chain transmission mechanism connects the cam shaft 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; 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 for limiting the rotating body to be printed on one side of the limiting block; The feeding mechanism is provided with a feeding gear for feeding materials one by one, and the feeding gear is located above the circulating conveying device.

2. The rotary printing press 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 press 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 mounting vertical plate, the rotating block is fixedly installed on one end of the support rod, and the rotating block is rotatably connected to the mounting seat, and the other end of the support rod is connected to the balancing block; the brush head is slidably installed on the support rod, and a fixing screw hole for fixing is provided on the brush head; the brush head is located between the balancing block and the mounting seat, and the brush head extends into the mesh frame.

4. The rotary printing press according to claim 3, 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.

5. The rotary printing press according to any one of claims 1 to 4, characterized in that: The feeding mechanism also includes a feeding drive device and a feeding tray. A movable cylinder is arranged at the bottom of the feeding drive device, and two ends of the movable cylinder are rotatably connected to the feeding drive device and the circulating conveying device respectively; the feeding drive device is rotatably installed on the circulating conveying device, and the output end of the feeding drive device passes through the feeding tray and is fixedly connected to the discharge gear, and the discharge gear is arranged near the bottom of the feeding tray; the feeding tray is inclined from bottom to top away from the circulating conveying device, and a discharge port is arranged at the bottom of the feeding tray.

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