Automatic roll changing mechanism of flexo printing machine

Abstract

The utility model discloses an automatic roll changing mechanism of a flexographic printing machine, which comprises a support frame, the left side and the right side of the support frame are respectively and rotatably connected with a switching mechanism, the support frame is provided with a rotating mechanism connected with one switching mechanism, and a winding roller is detachably arranged between the two switching mechanisms. The rotary connection mechanism comprises a rotary shaft, a rack, an electric push rod, an insertion rod and a mounting groove, the rotary shaft is rotationally connected to the supporting frame, the mounting groove is formed in the rotary shaft, the end of the winding roller is inserted into the mounting groove, the rack is fixed to the rotary shaft, the electric push rod is fixed to the rack, the telescopic end of the electric push rod is fixed to the insertion rod, and the insertion rod is in sliding contact with the rotary shaft; and a lifting plate is arranged in the supporting frame, a guide inclined plate is arranged on the front side of the lifting plate, and a lifting mechanism used for driving the lifting plate to move up and down is installed on the supporting frame. The paper roll is convenient to replace, and manpower is saved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of flexographic printing machine, especially to automatic roll changing mechanism of flexographic printing machine. BACKGROUND

[0002] The flexographic printing machine uses fluid ink with strong fluidity, and the ink is transmitted to the graphic part of the printing plate by the ink fountain roller and the anilox roller, and then the printing plate is inked, and then the printing pressure is applied by the pressure roller to transfer the ink on the printing plate to the printing material, and finally the printing process is completed by the drying surface.

[0003] The flexographic printing machine needs manual replacement of the paper roll when printing the paper roll, and since the weight of the paper roll is generally large, it consumes a lot of manpower to lift it up and down, therefore, in view of the above status, it is urgent to develop an automatic roll changing mechanism of the flexographic printing machine which is convenient to replace the paper roll and saves manpower, so as to overcome the shortcomings in the current actual application and meet the current needs. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an automatic roll changing mechanism of a flexographic printing machine to solve the problems in the above background.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] The automatic roll changing mechanism of the flexographic printing machine comprises a support frame, an adapter mechanism, a rotating mechanism, a winding roller, a lifting plate and a lifting mechanism, the left and right sides of the support frame are rotatably connected with an adapter mechanism, the support frame is provided with the rotating mechanism connected with the adapter mechanism, the winding roller is detachably installed between the two adapter mechanisms, the adapter mechanism comprises a rotating shaft, a rack, an electric push rod, a plug rod and a mounting groove, the rotating shaft is rotatably connected to the support frame, the mounting groove is arranged on the rotating shaft, the mounting groove is used for inserting the end of the winding roller, the rack is fixed on the rotating shaft, the electric push rod is fixed on the rack, the extension end of the electric push rod is fixed with the plug rod, the plug rod is in sliding contact with the rotating shaft, the left and right ends of the winding roller are provided with plug holes for the plug rod to pass through, the lifting plate is arranged in the support frame, the front side of the lifting plate is provided with a guide inclined plate, and the support frame is provided with the lifting mechanism for driving the lifting plate to move up and down.

[0007] Preferably, the rotating mechanism comprises a first motor, a first gear and a second gear, the first motor is fixed on the support frame, the output shaft of the first motor is provided with the first gear, one side of the first gear is provided with the second gear engaged with the first gear, and the second gear is installed on the rotating shaft.

[0008] Preferably: the lifting mechanism comprises: lead screw, synchronous wheel, synchronous belt, second motor, threaded block and lengthening block, the left and right sides of the support frame are rotatably connected with a lead screw, the lower end of each lead screw is provided with a synchronous wheel, the two synchronous wheels are drivingly connected through a synchronous belt, the second motor is fixed to the side surface of the support frame, the output shaft of the second motor is fixed with a lead screw, each lead screw is provided with a threaded block, and each threaded block is fixed with a lengthening block fixed with the lifting plate.

[0009] Preferably: the support frame is provided with a limiting groove for the lengthening block to move up and down.

[0010] Preferably: the lifting plate is provided with a positioning groove.

[0011] The automatic roll changing mechanism of the flexographic printing machine has the advantages that: when in use, the front end of the paper is wound on the winding roller, the winding roller is driven to rotate through the rotating mechanism, the winding roller winds the paper roll, after winding is completed, the lead screw is driven to rotate through the second motor, the threaded block and the lengthening block are driven to move up through the rotation of the lead screw, the lifting plate is driven to move up to the winding roller through the lengthening block, the winding roller is supported through the lifting plate, then the inserting rod is pulled out from the insertion hole through the electric push rod, so that the winding roller falls into the positioning groove, then the lifting plate and the winding roller are driven to move down to the ground through the lifting mechanism, and then the winding roller can be rolled down along the guide inclined plate. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0013] Figure 2 It is a blanking state schematic view of the utility model Figure One .

[0014] Figure 3 It is a blanking state schematic view of the utility model Figure Two .

[0015] Figure 4 It is a part structure schematic view of the utility model Figure One .

[0016] Figure 5 It is a part structure schematic view of the utility model Figure Two .

[0017] Figure 6 It is a part structure schematic view of the utility model Figure Three .

[0018] LEGEND:

[0019] 1, support frame; 101, limiting groove; 2, adapter mechanism; 201, rotating shaft; 202, rack; 203, electric push rod; 204, insertion rod; 205, mounting groove; 3, rotating mechanism; 301, first motor; 302, first gear; 303, second gear; 4, winding roller; 401, insertion hole; 5, lifting plate; 501, positioning groove; 502, guide inclined plate; 6, lifting mechanism; 601, lead screw; 602, synchronous wheel; 603, synchronous belt; 604, second motor; 605, threaded block; 606, lengthening block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Specific embodiments are given below.

[0022] Referring to Figures 1-6The utility model discloses an automatic roll changing mechanism of soft -copy printing machine, including support frame 1, switching mechanism 2, rotating mechanism 3, winding roller 4, lifting plate 5 and lifting mechanism 6, the left and right sides of support frame 1 all rotatablely connected with a switching mechanism 2, the rotating mechanism 3 of being connected with a switching mechanism 2 is installed on support frame 1, the detachable installation of two switching mechanism 2 has winding roller 4, winding roller 4 is used for winding paper roll, switching mechanism 2 includes: pivot 201, frame 202, electric push rod 203, plug rod 204 and mounting groove 205, pivot 201 rotatablely connected on support frame 1, pivot 201 is provided with mounting groove 205, and mounting groove 205 is used for the end of winding roller 4 insertion, pivot 201 is fixed with frame 202, frame 202 is fixed with electric push rod 203, and electric push rod 203 is with battery, the telescopic end of electric push rod 203 is fixed with plug rod 204, plug rod 204 is in sliding contact with pivot 201, the left and right ends of winding roller 4 all are provided with the insertion hole 401 for the plug rod 204 passing, lifting plate 5 is arranged in support frame 1, the positioning groove 501 is arranged on lifting plate 5, the front side of lifting plate 5 is provided with guide inclined plate 502, support frame 1 is installed for the lifting mechanism 6 of driving lifting plate 5 up and down moves, when using, the front end of paper is wound to winding roller 4, winding roller 4 is rotated through rotating mechanism 3, winding is carried out to paper roll through winding roller 4, after winding, lifting plate 5 is driven to move up to winding roller 4 through lifting mechanism 6, winding roller 4 is supported through lifting plate 5, then, plug rod 204 is pulled out from insertion hole 401 through electric push rod 203, so that winding roller 4 falls into positioning groove 501, then, lifting plate 5 and winding roller 4 are driven to move down to the ground through lifting mechanism 6, then, winding roller 4 can be rolled down along guide inclined plate 502 downwards.

[0023] Rotating mechanism 3 includes: first motor 301, first gear 302 and second gear 303, first motor 301 is fixed on support frame 1, first motor 301's output shaft is installed with first gear 302, one side of first gear 302 is installed with the second gear 303 that is engaged with, second gear 303 is installed on pivot 201, when using, first motor 301 drives first gear 302 and second gear 303 to rotate through, switching mechanism 2 is rotated through second gear 303.

[0024] The lifting mechanism 6 comprises a lead screw 601, a synchronous wheel 602, a synchronous belt 603, a second motor 604, a threaded block 605 and an elongated block 606, one lead screw 601 is rotationally connected to the left and right sides of the support frame 1, one synchronous wheel 602 is mounted at the lower end of each lead screw 601, the two synchronous wheels 602 are drivingly connected through a synchronous belt 603, the second motor 604 is fixed to the side surface of the support frame 1, the output shaft of the second motor 604 is fixed with one lead screw 601, one threaded block 605 is mounted on each lead screw 601, one elongated block 606 fixed with the lifting plate 5 is fixed on each threaded block 605, the support frame 1 is provided with a limiting groove 101 for the up-down movement of the elongated block 606, in use, the second motor 604 drives the lead screw 601 to rotate, the threaded block 605 and the elongated block 606 are driven to move up and down by the rotation of the lead screw 601, and the lifting plate 5 is driven to move up and down by the elongated block 606.

[0025] Working principle: the automatic roll changing mechanism of the flexographic printing machine, in use, the front end of the paper is wound on the winding roller 4, the winding roller 4 is driven to rotate through the rotating mechanism 3, the paper roll is wound through the winding roller 4, after winding, the lead screw 601 is driven to rotate through the second motor 604, the threaded block 605 and the elongated block 606 are driven to move up through the rotation of the lead screw 601, the lifting plate 5 is driven to move up to the winding roller 4 through the elongated block 606, the winding roller 4 is supported through the lifting plate 5, then the insertion rod 204 is pulled out from the insertion hole 401 through the electric push rod 203, so that the winding roller 4 falls into the positioning groove 501, then the lifting plate 5 and the winding roller 4 are driven to move down to the ground through the lifting mechanism 6, then the winding roller 4 is rolled down along the guide inclined plate 502.

[0026] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent substitution or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An automatic roll change mechanism for a flexographic printing press, characterized in that, The utility model provides a kind of winding device, including support frame (1), adapter mechanism (2), rotating mechanism (3), winding roller (4), lifting plate (5) and lifting mechanism (6), the left and right sides of the support frame (1) are rotatably connected with an adapter mechanism (2), the support frame (1) is installed with the rotating mechanism (3) connected with an adapter mechanism (2), the winding roller (4) is detachably installed between two adapter mechanisms (2), the adapter mechanism (2) includes: shaft (201), rack (202), electric push rod (203), plug rod (204) and installation groove (205), the shaft (201) is rotatably connected on support frame (1), the installation groove (205) is provided on the shaft (201), the installation groove (205) is used for the end of winding roller (4) insertion, the shaft (201) is fixed with rack (202), the rack (202) is fixed with electric push rod (203), the telescopic end of the electric push rod (203) is fixed with plug rod (204), the plug rod (204) is in sliding contact with the shaft (201), the left and right ends of the winding roller (4) are provided with the insertion hole (401) for plug rod (204) to pass through, the support frame (1) is provided with lifting plate (5), the front side of the lifting plate (5) is provided with guide inclined plate (502), the support frame (1) is installed for driving lifting plate (5) to move up and down lifting mechanism (6).

2. The automatic changeover mechanism of a flexographic printing press according to claim 1, characterized in that, The rotating mechanism (3) includes: first motor (301), first gear (302) and second gear (303), the first motor (301) is fixed on support frame (1), the output shaft of the first motor (301) is installed with first gear (302), one side of the first gear (302) is installed with the second gear (303) engaged with it, the second gear (303) is installed on the shaft (201).

3. The automatic changeover mechanism of a flexographic printing press according to claim 1, characterized in that, The lifting mechanism (6) includes: lead screw (601), synchronous wheel (602), synchronous belt (603), second motor (604), threaded block (605) and lengthening block (606), the left and right sides of the support frame (1) are rotatably connected with a lead screw (601), the lower end of each lead screw (601) is installed with a synchronous wheel (602), two synchronous wheels (602) are drivingly connected by synchronous belt (603) between them, the second motor (604) is fixed on the side surface of support frame (1), the output shaft of the second motor (604) is fixed with a lead screw (601), each lead screw (601) is installed with a threaded block (605), each threaded block (605) is fixed with a lengthening block (606) fixed with lifting plate (5).

4. The automatic changeover mechanism of a flexographic printing press according to claim 3, characterized in that, The support frame (1) is provided with limiting groove (101) for the up-and-down movement of lengthening block (606).

5. The automatic changeover mechanism of a flexographic printing press according to claim 1, wherein, The lifting plate (5) is provided with positioning groove (501).

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