A printing device applied to bag pattern generation

Abstract

The application provides a printing device applied to bag pattern generation and relates to the field of bag printing. The printing device comprises a base, a supporting plate arranged on the base, a fixed hanging plate arranged on the base, a rotating shaft rotatably connected between the lower part and the upper part of the base, a rotating mechanism arranged on the supporting plate, a printing mechanism arranged on the fixed hanging plate, and a supporting mechanism arranged on the printing mechanism. The rotating mechanism, the printing mechanism and the supporting mechanism are arranged, so that workers can quickly put the heat transfer paper into the bottom of the printing plate, and the rotating speed of the bag is adjusted based on the printing time of the complex pattern, thereby greatly improving the printing efficiency and quality and improving the applicability.

Description

Technical Field

[0001] The present invention relates to the field of luggage printing, and in particular to a printing device used for generating luggage patterns. Background Art

[0002] In the traditional luggage production process, the printing methods of luggage patterns are relatively limited. Although early hand-painting can achieve some unique artistic effects, it is extremely inefficient and cannot meet the needs of large-scale production.

[0003] The existing heat transfer printing technology is generally used to print patterns on bags. Heat transfer printing can present very realistic and delicate pattern effects, with rich and bright colors and natural transitions. It can print various complex patterns including photos and paintings, and the pattern clarity and precision are high, which can meet consumers' demand for personalized and fashionable patterns.

[0004] The current luggage pattern printing device usually requires manual placement of the printed pattern heat transfer paper on the bottom of the printing plate when continuously printing on luggage. The hand can be removed from the edge of the heat transfer paper only after the suction cup absorbs the heat transfer paper, and then the electric push rod is used to drive the heating plate and the heat transfer paper to fit the luggage for printing. The operation of placing the heat transfer paper on the bottom of the printing plate is too cumbersome, which affects the efficiency of heat transfer printing on luggage. In addition, when performing heat transfer printing on complex patterns, it is usually necessary to adjust the printing time according to the complexity of the pattern. The existing luggage printing device usually rotates the luggage at a set replacement speed after manual adjustment, which results in multiple manual adjustments when printing multiple patterns of different complexities, which makes the printing of the luggage not comprehensive, resulting in poor printing effect. Summary of the Invention

[0005] In order to overcome the above shortcomings, the present invention provides a printing device for generating bag patterns, which can facilitate workers to quickly place thermal transfer paper at the bottom of the printing plate and adjust the rotation speed of the bag based on the printing time of complex patterns.

[0006] The purpose of the present invention is to provide a printing device for generating patterns on luggage, comprising a base, a support plate provided on the base, a fixed hanging plate provided on the base, a rotating shaft rotatably connected between the lower and upper parts of the base, a rotating mechanism provided on the support plate, a printing mechanism provided on the fixed hanging plate, and a supporting mechanism provided on the printing mechanism.

[0007] Furthermore, the rotating mechanism includes a servo motor, a servo motor is fixedly connected to the support plate, a power shaft is fixedly connected to the output shaft of the servo motor, three slots are opened on the power shaft, a toothless bevel gear is rotatably connected to the power shaft, three clamping rods are slidably connected to one side of the toothless bevel gear, the three clamping rods are respectively clamped in the three slots of the power shaft, and extrusion springs are connected between the three clamping rods and the inner side of the toothless bevel gear.

[0008] Furthermore, a fixing ring is fixedly connected to the lower part of the rotating shaft, three vertical grooves are opened on the rotating shaft, vertical bevel gears are slidably connected to the three vertical grooves of the rotating shaft, a support spring is connected between the fixing ring and the vertical bevel gears, a cross plate is fixedly connected to the middle part of the rotating shaft, and placement plates are fixedly connected to the four corners of the cross plate.

[0009] Furthermore, the printing mechanism includes an electric push rod, which is fixedly connected to the fixed hanging plate, a pushing block is provided on the telescopic rod of the electric push rod, an extrusion plate is fixedly connected to the upper part of the base, and the lower part of the pushing block is fixedly connected to the fixed round rod, and both sides of the fixed round rod are rotatably connected to a rotating seat, and a torsion spring is connected between the two rotating seats and both sides of the pushing block.

[0010] Furthermore, a printing plate is fixedly connected between the bottoms of the two rotating seats, the end of the extrusion plate away from the base is in contact with the printing plate, a square groove and a circular groove are opened at the bottom of the printing plate, a heating plate is fixedly connected to the square groove of the printing plate, a suction plate is fixedly connected to the circular groove at the bottom of the printing plate, the top of the suction plate is fixedly connected to a connecting pipe, the suction plate is connected to the connecting pipe, and the side of the pushing block away from the extrusion plate is fixedly connected to a limiting baffle.

[0011] Furthermore, a plurality of suction ports are provided at the bottom of the suction plate.

[0012] Furthermore, the supporting mechanism includes a fixed cam, both sides of the fixed round rod are fixedly connected to the fixed cam, the two rotating seats are slidably connected to the moving rod, the two moving rods are fixedly connected to the side close to the fixed round rod, and the two extrusion rods are respectively in contact with the two fixed cams.

[0013] Furthermore, the two moving rods are respectively connected to the two rotating seats with a first tension spring, the two moving rods are respectively fixedly connected to a support rod on one side away from the two rotating seats, the two support rods are symmetrically arranged, a fixed oblique plate is welded on one side of the two moving rods, the two rotating seats are slidably connected to a strip rod, the two strip rods are respectively connected to the two rotating seats with a second tension spring, and a support plate is fixedly connected between the ends of the two strip rods away from the two moving rods.

[0014] Furthermore, a disengagement mechanism is also included. The vertical bevel gear is provided with a disengagement mechanism, which is used to push the vertical bevel gear. The disengagement mechanism includes an extrusion frame, an annular groove is opened at the lower part of the vertical bevel gear, and the extrusion frame is clamped on the annular groove of the vertical bevel gear. The lower part of the extrusion frame is slidably connected to the support plate. Four vertical rods are fixedly connected to the upper surface of the vertical bevel gear. The four vertical rods all pass through the cross plate, and a fixed groove ring is fixedly connected between the tops of the four vertical rods.

[0015] A circular groove is opened on the outer side of the fixed groove ring, a snap ring is sleeved on the circular groove of the fixed groove ring, a special-shaped round rod is fixedly connected to the outer side of the snap ring, the upper part of the special-shaped round rod passes through the extrusion plate, the side of the push block close to the base is fixedly connected to the pressing plate, and the outer side of the toothless bevel gear is fixedly connected to the clamping block.

[0016] Furthermore, the toothless bevel gear is located in the extrusion frame.

[0017] The beneficial effects of the printing device for generating bag patterns of the present invention are as follows:

[0018] 1. The toothless bevel gear intermittently drives the vertical bevel gear, rotating shaft, cross plate and four placement plates to rotate forward, and then the external handling device and the external taking-out device intermittently pick up and place the unprinted bags and the printed bags, and then intermittently and continuously print patterns on the bags, thereby improving the printing efficiency of the bags.

[0019] 2. The two rotating seats drive the support plate to reset and the two support rods to move during the rotation process, so that the thermal transfer paper can be supported when it is placed later. It also makes it easier for the staff to align the thermal transfer paper with the heating plate and the suction plate, thereby further improving the printing efficiency of the luggage.

[0020] 3. Through the extrusion plate and the limit baffle, the printing plate, the two support rods and the support plate are in an inclined state, which makes it easier for subsequent staff to replace the thermal transfer paper during the printing process of the luggage, so that the pattern printing on the luggage can be smoother.

[0021] 4. The toothless bevel gear is limited by the extrusion frame and the clamping block, so that the rotating shaft, the cross plate and the four placement plates continue to remain stationary. Then, based on the extrusion time of the electric push rod, the time for the toothless bevel gear to drive the four placement plates to rotate ninety degrees can be changed, and different printing times can be maintained for various complex patterns, so that the luggage can be printed more comprehensively. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the base, support plate and fixed hanging plate of the present invention;

[0023] Figure 2It is a schematic diagram of the three-dimensional structure of the base and the partial separation mechanism of the present invention;

[0024] Figure 3 It is a schematic diagram of the three-dimensional structure of the base, support plate and part of the rotating mechanism of the present invention;

[0025] Figure 4 It is a partial three-dimensional structural diagram of the base, support plate, rotating mechanism and disengaging mechanism of the present invention;

[0026] Figure 5 It is a partial three-dimensional structural diagram of the rotating shaft, the rotating mechanism and the disengaging mechanism of the present invention;

[0027] Figure 6 It is a partial three-dimensional structural diagram of the printing mechanism and the supporting mechanism of the present invention;

[0028] Figure 7 Schematic diagram of the three-dimensional structure of the electric push rod, printing plate, moving rod and support rod of the present invention;

[0029] Figure 8 For the present invention Figure 7 A is an enlarged three-dimensional structure diagram;

[0030] Figure 9 This is a schematic diagram of the three-dimensional structure of the printing plate, heating plate, suction plate, support rod and supporting plate of the present invention;

[0031] Figure 10 This is a schematic diagram of the disassembled three-dimensional structure of the printing plate, heating plate, suction plate, and connecting pipe of the present invention;

[0032] Figure 11 It is a schematic diagram of the three-dimensional structure of the vertical rod, fixed groove ring, clamping ring, special-shaped round rod and extruded plate of the present invention.

[0033] In the above figures: 1-base; 2-support plate; 3-fixed hanging plate; 4-rotating shaft; 51-servo motor; 52-power shaft; 53-toothless bevel gear; 54-clamping rod; 55-extrusion spring; 56-fixing ring; 57-support spring; 58-vertical bevel gear; 59-cross plate; 510-placement plate; 61-electric push rod; 62-pushing block; 63-extrusion plate; 64-fixed round rod; 65-rotating seat; 651-torsion spring; 6 6-printing plate; 67-heating plate; 68-suction plate; 69-connecting pipe; 610-limit baffle; 71-fixed convex plate; 72-moving rod; 73-extrusion rod; 74-first tension spring; 75-support rod; 76-fixed oblique plate; 77-strip rod; 78-second tension spring; 79-support plate; 81-extrusion frame; 82-vertical rod; 83-fixed groove ring; 84-clamping ring; 85-special-shaped round rod; 86-pressing plate; 87-block. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] Example 1

[0036] In this embodiment, a printing device is used to generate a pattern on a bag. Figures 1 to 11 As shown, it includes a base 1, a support plate 2 is welded on the base 1, a fixed hanging plate 3 is welded on the top of the base 1, a rotating shaft 4 is rotatably connected between the lower and upper parts of the base 1, a rotating mechanism is provided on the support plate 2, the rotating mechanism is used to rotate the luggage, a printing mechanism is provided on the fixed hanging plate 3, the printing mechanism is used to print the luggage, and a supporting mechanism is provided on the printing mechanism, the supporting mechanism is used to place thermal transfer paper.

[0037] The rotating mechanism includes a servo motor 51, a servo motor 51 is fixedly connected to the support plate 2, a power shaft 52 is fixedly connected to the output shaft of the servo motor 51, three slots are opened on the power shaft 52, and a toothless bevel gear 53 is rotatably connected to the power shaft 52. The toothless bevel gear 53 is slidably connected to three clamping rods 54 on the side close to the servo motor 51, and the three clamping rods 54 are respectively stuck in the three slots of the power shaft 52. An extrusion spring 55 is connected between the three clamping rods 54 and the inner side of the toothless bevel gear 53. A fixing ring 56 is welded to the lower part of the rotating shaft 4, and the fixing ring 56 is used to support the extrusion spring 55. The rotating shaft 4 has three vertical slots. Vertical bevel gears 58 are slidably connected to the three vertical slots of the rotating shaft 4. A support spring 57 is connected between the fixing ring 56 and the vertical bevel gear 58. A cross plate 59 is fixedly connected to the middle part of the rotating shaft 4, and a placement plate 510 is fixedly connected to the four corners of the cross plate 59.

[0038] The printing mechanism includes an electric push rod 61, the bottom of the fixed hanging plate 3 is fixedly connected to the electric push rod 61, the bottom of the telescopic rod of the electric push rod 61 is welded with a push block 62, the upper part of the base 1 is welded with an extrusion plate 63, the lower part of the push block 62 is fixedly connected to a fixed round rod 64, both sides of the fixed round rod 64 are rotatably connected to a rotating seat 65, and a torsion spring 651 is connected between the two rotating seats 65 and both sides of the push block 62. A printing plate 66 is welded between the bottoms of the two rotating seats 65. The end of the extrusion plate 63 away from the base 1 It is in contact with the printing plate 66. The bottom of the printing plate 66 is provided with a square groove and a circular groove. The square groove of the printing plate 66 is fixedly connected to a heating plate 67. The heating plate 67 is used to heat the thermal transfer paper. The circular groove at the bottom of the printing plate 66 is fixedly connected to a suction plate 68. A connecting tube 69 is welded to the top of the suction plate 68. The suction plate 68 is connected to the connecting tube 69. The side of the pushing block 62 away from the extrusion plate 63 is fixedly connected to a limiting baffle 610. The limiting baffle 610 is in contact with the side of the two rotating seats 65 away from the extrusion plate 63.

[0039] The bottom of the suction plate 68 is provided with a plurality of suction ports.

[0040] The support mechanism includes a fixed convex plate 71, and fixed convex plates 71 are welded on both sides of the fixed round rod 64. A moving rod 72 is slidably connected to the two rotating seats 65. The two moving rods 72 are fixedly connected to the side of the fixed round rod 64 with an extrusion rod 73. The two fixed convex plates 71 are used to squeeze the two extrusion rods 73. The two extrusion rods 73 are respectively in contact with the two fixed convex plates 71. A first tension spring 74 is connected between the two moving rods 72 and the two rotating seats 65. The two moving rods 72 are respectively welded with a support spring on the side away from the two rotating seats 65. The support rod 75 and the two support rods 75 are symmetrically arranged. The two support rods 75 are used to limit the two sides of the printing plate 66. A fixed oblique plate 76 is welded on one side of the two movable rods 72. The two rotating seats 65 are slidably connected with a strip rod 77. The two fixed oblique plates 76 are used to squeeze the two strip rods 77 respectively. A second tension spring 78 is connected between the two strip rods 77 and the two rotating seats 65 respectively. A support plate 79 is welded between the ends of the two strip rods 77 away from the two movable rods 72. The support plate 79 is used to support the bottom of the thermal transfer paper.

[0041] During actual use, the operating principle of a printing device for generating patterns on bags and luggage of the present invention can be as follows: first, under the squeezing action of the squeezing plate 63 and the limiting action of the limiting baffle 610, the printing plate 66 and the two rotating seats 65 are in an inclined state, and the two torsion springs 651 are in a twisted state. Under the action of the two first tension springs 74 and the two second tension springs 78, the two moving rods 72, the two support rods 75, the two bar rods 77 and the support plate 79 are all in the initial state.

[0042] When it is necessary to print patterns on bags, one of the staff members first connects the air pipe of the external suction pump to the upper part of the connecting pipe 69, and energizes the heating plate 67, which causes the temperature of the heating plate 67 to rise. Then, the thermal transfer paper is placed between the printing plate 66, the two support rods 75 and the support plate 79, and then the external suction pump is started. The external suction pump generates suction to suck the thermal transfer paper through the air pipe, the connecting pipe 69 and the suction plate 68, and then the electric push rod 61 and the servo motor 51 are started, and the external transport device and the external removal device are started at the same time. The external transport device intermittently places the bags that need to be hot-printed on the placement plate 510 on one side below the printing plate 66, and the external removal device intermittently takes the bags with printed patterns away from the placement plate 510 on the other side below the printing plate 66.

[0043] The output shaft of the servo motor 51 reverses and drives the power shaft 52 to reverse. Under the action of the three extrusion springs 55, the three clamping rods 54 are clamped with the three clamping grooves of the power shaft 52. The power shaft 52 reverses and pushes the three clamping rods 54 and the three extrusion springs 55 to reverse together through the three clamping grooves on the power shaft 52. The three clamping rods 54 drive the toothless bevel gear 53 to reverse together. The toothless bevel gear 53 reverses and intermittently pushes the vertical bevel gear 58 to rotate forward 90 degrees. The vertical bevel gear 58 intermittently rotates forward and intermittently pushes the rotating shaft 4, the cross plate 59 and the four placement plates 510 to rotate forward 90 degrees through the three vertical grooves on the rotating shaft 4 to place the luggage. The placement plate 510 rotates to the bottom of the printing plate 66, the toothless bevel gear 53 continues to reverse and no longer engages with the vertical bevel gear 58. The vertical bevel gear 58, the rotating shaft 4, the cross plate 59 and the four placement plates 510 are in a stationary state. The telescopic rod of the electric push rod 61 moves downward, driving the pushing block 62 to move downward. The pushing block 62 moves downward, driving the fixed round rod 64, the two rotating seats 65, the two torsion springs 651, the printing plate 66, the two support rods 75, the support plate 79 and the thermal transfer paper to move downward together. The printing plate 66 moves downward and disengages from the squeezing plate 63, and the squeezing plate 63 no longer squeezes the printing plate 66.

[0044] The two rotating seats 65 and the printing plate 66 are reset under the action of the two torsion springs 651, and the two rotating seats 65 are reset and disengaged from the limit baffle 610. The reset of the two rotating seats 65 respectively drives the two moving rods 72 and the two squeezing rods 73 to reset together. The two squeezing rods 73 are reset along the two fixed convex plates 71. Under the squeezing of the two fixed convex plates 71, the two moving rods 72 and the two squeezing rods 73 are reset so that the two moving rods 72, the two squeezing rods 73 and the two fixed oblique plates 76 move in a direction away from each other, and the two fixed oblique plates 76 move toward The movement in the direction away from each other squeezes and pushes the two strip rods 77 and the supporting plate 79 to move in the direction away from the printing plate, and the supporting plate 79 and the two support rods 75 move out of the bottom of the printing plate 66 and no longer support the thermal transfer paper. The telescopic rod of the electric push rod 61 continues to drive the pushing block 62 and the printing plate 66 to move downward, and the printing plate 66 pushes the thermal transfer paper sucked by the suction plate 68 to contact the luggage. The heating plate 67 heats the thermal transfer paper through heat conduction, and then through the squeezing of the printing plate 66, the pattern on the thermal transfer paper is transferred to the luggage, thereby completing the pattern printing on the luggage.

[0045] After the pattern on the heat transfer paper is transferred to the bag, the staff controls the electric push rod 61 to reset, and the telescopic rod of the electric push rod 61 resets and drives the push block 62, the two rotating seats 65, and the printing plate 66 to reset together. The printing plate 66 drives the heating plate 67, the suction plate 68 and the heat transfer paper together. When the electric push rod 61 drives the push block 62 to reset, the toothless bevel gear 53 contacts the vertical bevel gear 58 again, and the toothless bevel gear 53 reverses and continues to drive the vertical bevel gear 58, the rotating shaft 4, the cross plate 59 and The four placement plates 510 rotate forward ninety degrees, and the four placement plates 510 rotate forward ninety degrees to rotate the bags with printed patterns out from under the printing plate 66. The toothless bevel gear 53 intermittently drives the vertical bevel gear 58, the rotating shaft 4, the cross plate 59 and the four placement plates 510 to rotate forward, and then the external handling device and the external taking-out device intermittently pick up and place the bags without printed patterns and the bags with printed patterns, and then intermittently and continuously print patterns on the bags, thereby improving the printing efficiency of the bags.

[0046] The printing plate 66 is reset upward and contacts the squeezing plate 63. The telescopic rod of the electric push rod 61 continues to drive the pushing block 62, the two rotating seats 65, and the printing plate 66 to reset. The squeezing plate 63 squeezes the printing plate 66. The printing plate 66 is squeezed and drives the two rotating seats 65 to rotate. The two rotating seats 65 rotate along the fixed round rod 64 to squeeze the two torsion springs 651. The two torsion springs 651 are twisted. During the continued rotation of the two rotating seats 65, the two fixed convex plates 71 no longer squeeze the two moving rods 72 and the two squeezing rods 73 respectively. Under the action of the two first tension springs 74, the two moving rods 72, the two fixed oblique plates 76 and The two squeezing rods 73 are reset along the inclined surface of the fixed convex plate 71, and the two moving rods 72 also drive the two supporting rods 75 to reset respectively. The two fixed oblique plates 76 are reset and no longer squeeze the two strip rods 77. The two strip rods 77 drive the supporting plate 79 to reset under the action of the two second tension springs 78 respectively. The two rotating seats 65 drive the supporting plate 79 to reset and the two supporting rods 75 to move during the rotation process, so that the thermal transfer paper can be supported when it is placed later. At the same time, it is also convenient for the staff to align the thermal transfer paper with the heating plate 67 and the suction plate 68, thereby further improving the printing efficiency of the luggage.

[0047] The squeezing plate 63 continues to squeeze the two rotating seats 65. When the two rotating seats 65 come into contact with the limit baffle 610 again, the electric push rod 61 stops resetting. Finally, the staff turns off the external suction pump. The external suction pump no longer sucks the thermal transfer paper through the suction plate 68. Then the thermal transfer paper with the printed pattern is taken out from between the two support rods 75, the support plate 79 and the printing plate 66 and new thermal transfer paper is put in. Through the squeezing plate 63 and the limit baffle 610, the printing plate 66, the two support rods 75 and the support plate 79 are in an inclined state, which makes it easier for subsequent staff to replace the thermal transfer paper during the printing process of luggage, so that the luggage can be printed with patterns more smoothly. The external suction pump is started again, and the new thermal transfer paper is sucked through the suction plate 68, waiting for the staff to start the electric push rod to print again.

[0048] Example 2

[0049] In this embodiment, a printing device for generating bag patterns is provided based on the first embodiment. Figure 4 、 Figure 5 and Figure 11As shown, it also includes a disengagement mechanism, a disengagement mechanism is provided on the vertical bevel gear 58, the disengagement mechanism is used to push the vertical bevel gear 58, the disengagement mechanism includes an extrusion frame 81, an annular groove is opened at the lower part of the vertical bevel gear 58, and the extrusion frame 81 is clamped on the annular groove of the vertical bevel gear 58, and the lower part of the extrusion frame 81 is slidably connected to the support plate 2. Four vertical rods 82 are welded to the upper surface of the vertical bevel gear 58, and the four vertical rods 82 all pass through the cross plate 59. A fixed groove ring 83 is welded between the tops of the four vertical rods 82, and a circular groove is opened on the outer side of the fixed groove ring 83. A snap ring 84 is sleeved on the circular groove of the fixed groove ring 83, and a special-shaped round rod 85 is welded on the outer side of the snap ring 84. The upper part of the special-shaped round rod 85 passes through the extrusion plate 63, and the pushing block 62 is fixedly connected to a pressing plate 86 on the side close to the base 1. A clamping block 87 is fixedly connected to the outer side of the toothless bevel gear 53, and the extrusion frame 81 is used to limit the clamping block 87.

[0050] The toothless bevel gear 53 is located in the extrusion frame 81 .

[0051] In actual use, the operating principle of a printing device for generating patterns on bags of the present invention can be as follows: when printing more complex patterns on bags, the pushing block 62 moves downward, driving the pressing plate 86 to move downward together, and the pressing plate 86 squeezes the special-shaped round rod 85 to move downward, and the special-shaped round rod 85 moves downward, driving the snap ring 84 to move downward, and since the snap ring 84 is rotatably connected to the fixed groove ring 83, the rotation of the fixed groove ring 83 does not drive the snap ring 84 to rotate, and the downward movement of the snap ring 84 drives the fixed groove ring 83 and the four vertical rods 82 to move downward. The four vertical rods 82 push the vertical bevel gear 58 to move downward along the three vertical grooves on the rotating shaft 4. The vertical bevel gear 58 disengages from the toothless bevel gear 53. The vertical bevel gear 58 squeezes the support spring 57. The support spring 57 is compressed. The vertical bevel gear 58 moves downward, driving the extrusion frame 81 to move downward. The upper inner side of the extrusion frame 81 moves downward to above the toothless bevel gear 53. The power shaft 52 continues to reverse and drives the toothless bevel gear 53 to reverse through the three clamping rods 54 on the toothless bevel gear 53. The reversal of the toothless bevel gear 53 drives the clamping block 87 to reverse together.

[0052] Due to the limitation of the block 87 by the extrusion frame 81, the reversal of the power shaft 52 no longer drives the toothless bevel gear 53 to reverse through the three clamping rods 54 on the toothless bevel gear 53. The power shaft 52 continues to reverse so that the power shaft 52 squeezes the three clamping rods 54. The three clamping rods 54 are disengaged from the three clamping grooves on the power shaft 52. The extrusion spring 55 is compressed, and the toothless bevel gear 53 is limited by the extrusion frame 81 and the clamping block 87, so that the rotating shaft 4, the cross plate 59 and the four placement plates 510 continue to remain stationary, thereby making it possible to change the time for the toothless bevel gear 53 to drive the four placement plates 510 to rotate ninety degrees based on the extrusion time of the electric push rod 61, so that different printing times can be maintained for various complex patterns, so that the luggage can be printed more comprehensively.

[0053] When the complex pattern is printed, the telescopic rod of the electric push rod 61 is reset, driving the pushing block 62 and the pressing plate 86 to reset. The pressing plate 86 is reset and no longer squeezes the special-shaped round rod 85, the snap ring 84, the fixed groove ring 83, the four vertical rods 82, the vertical bevel gear 58 and the extrusion frame 81. Under the reset action of the support spring 57, the special-shaped round rod 85, the snap ring 84, the fixed groove ring 83, the four vertical rods 82, the vertical bevel gear 58 and the extrusion frame 81 are reset, and the vertical bevel gear 58 is meshed with the toothless bevel gear 53 again. The extrusion frame 81 no longer limits the block 87. The power shaft 52 drives the toothless bevel gear 53 to continue to reverse through the three clamping rods 54 on the toothless bevel gear 53. The toothless bevel gear 53 also drives the vertical bevel gear 58, the rotating shaft 4, the cross plate 59 and the four placement plates 510 to rotate ninety degrees.

[0054] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A printing device for generating patterns on bags, characterized in that: The invention comprises a base (1), a support plate (2) is provided on the base (1), a fixed hanging plate (3) is provided on the base (1), a rotating shaft (4) is rotatably connected between the lower part and the upper part of the base (1), a rotating mechanism is provided on the support plate (2), a printing mechanism is provided on the fixed hanging plate (3), and a supporting mechanism is provided on the printing mechanism; The rotating mechanism includes a servo motor (51), the servo motor (51) is fixedly connected to the support plate (2), the output shaft of the servo motor (51) is fixedly connected to the power shaft (52), three slots are opened on the power shaft (52), a toothless bevel gear (53) is rotatably connected to the power shaft (52), one side of the toothless bevel gear (53) is slidably connected to three clamping rods (54), the three clamping rods (54) are respectively clamped into the three slots of the power shaft (52), and an extrusion spring (55) is connected between the three clamping rods (54) and the inner side of the toothless bevel gear (53); A fixing ring (56) is fixedly connected to the lower portion of the rotating shaft (4), and the rotating shaft (4) has three vertical grooves. Vertical bevel gears (58) are slidably connected to the three vertical grooves of the rotating shaft (4). A supporting spring (57) is connected between the fixing ring (56) and the vertical bevel gear (58). A cross plate (59) is fixedly connected to the middle portion of the rotating shaft (4), and a placement plate (510) is fixedly connected to the four corners of the cross plate (59). The printing mechanism includes an electric push rod (61), the electric push rod (61) is fixedly connected to the fixed hanging plate (3), a push block (62) is provided on the telescopic rod of the electric push rod (61), an extrusion plate (63) is fixedly connected to the upper part of the base (1), the push block (62) is fixedly connected to the fixed round rod (64), both sides of the fixed round rod (64) are rotatably connected to the rotating seat (65), and a torsion spring (651) is connected between the two rotating seats (65) and both sides of the push block (62); A printing plate (66) is fixedly connected between the bottoms of the two rotating seats (65), one end of the extrusion plate (63) away from the base (1) contacts the printing plate (66), a square groove and a round groove are opened at the bottom of the printing plate (66), a heating plate (67) is provided on the square groove of the printing plate (66), a suction plate (68) is fixedly connected to the round groove at the bottom of the printing plate (66), a connecting pipe (69) is fixedly connected to the top of the suction plate (68), the suction plate (68) is communicated with the connecting pipe (69), and one side of the pushing block (62) is fixedly connected to a limit baffle (610); The bottom of the suction plate (68) is provided with a plurality of suction ports; The supporting mechanism includes a fixed convex plate (71), both sides of the fixed round rod (64) are fixedly connected to the fixed convex plates (71), the two rotating seats (65) are slidably connected to the moving rods (72), and the two moving rods (72) are fixedly connected to the sides close to the fixed round rod (64) with extrusion rods (73), and the two extrusion rods (73) are respectively in contact with the two fixed convex plates (71); The two moving rods (72) are respectively connected to the two rotating seats (65) with a first tension spring (74), the two moving rods (72) are respectively fixedly connected to a support rod (75) on one side away from the two rotating seats (65), the two support rods (75) are symmetrically arranged, and a fixed oblique plate (76) is welded to one side of the two moving rods (72), the two rotating seats (65) are slidably connected to a strip rod (77), the two strip rods (77) are respectively connected to the two rotating seats (65) with a second tension spring (78), and the two strip rods (77) are respectively fixedly connected to one end away from the two moving rods (72) with a support plate (79).

2. A printing device for generating patterns on bags according to claim 1, characterized in that: The vertical bevel gear (58) is provided with a disengagement mechanism, and the disengagement mechanism is used to push the vertical bevel gear (58). The disengagement mechanism includes an extrusion frame (81), a ring groove is opened at the lower part of the vertical bevel gear (58), and the extrusion frame (81) is clamped on the ring groove of the vertical bevel gear (58). The lower part of the extrusion frame (81) is slidably connected to the support plate (2). Four vertical rods (82) are fixedly connected to the upper surface of the vertical bevel gear (58), and the four vertical rods (82) all pass through the cross plate (59). A fixed groove ring (83) is fixedly connected between the tops of the four vertical rods (82); A circular groove is formed on the outer side of the fixed groove ring (83), a snap ring (84) is sleeved on the circular groove of the fixed groove ring (83), a special-shaped round rod (85) is fixedly connected to the outer side of the snap ring (84), the upper part of the special-shaped round rod (85) passes through the extrusion plate (63), a pressing plate (86) is fixedly connected to the side of the push block (62) close to the base (1), and a clamping block (87) is fixedly connected to the outer side of the toothless bevel gear (53).

3. A printing device for generating patterns on bags according to claim 2, characterized in that: The toothless bevel gear (53) is located in the extrusion frame (81).

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