Packaging box surface printing equipment

Abstract

The invention belongs to the technical field of printing equipment, and particularly relates to packaging box surface printing equipment which comprises a supporting rack, vertical electric rails are installed on the two sides of the supporting rack correspondingly, sliding plates are installed on the two vertical electric rails correspondingly, and two front-back symmetrical electric telescopic rods are installed on the opposite sides of the two sliding plates correspondingly; output shafts of the electric telescopic rods on the front side and the rear side are connected with a rectangular plate, the rectangular plate is provided with a plurality of vertical grooves, the vertical grooves are rotationally provided with screws, the bottom of the rectangular plate is provided with a rotating assembly for driving the screws to rotate, sliding blocks in threaded connection with the screws are slidably arranged in the vertical grooves, the sliding blocks are rotationally provided with rotating shafts, and clamping plates are arranged at the ends of the rotating shafts; the sliding block is provided with a rotating assembly for driving the rotating shaft to rotate; 90-degree automatic overturning of the packaging box is achieved through screw driving and a turbine worm transmission system, the position is fixed after overturning is ensured by matching with the self-locking function of a one-way bearing, printing of four side faces can be continuously completed, and the manual overturning link is thoroughly eliminated.

Description

Technical Field

[0001] The invention belongs to the technical field of printing equipment, and in particular relates to a packaging box surface printing device. Background Art

[0002] A packaging box is a box used to package items. By placing items in the packaging box and packaging the contents through the packaging box, the packaged items are well protected, ensuring the safety of the items during transportation, and also protecting the privacy of the owner of the items. With the continuous development of packaging boxes, the demand for packaging boxes is increasing day by day. Among them, packaging box printing is a necessary processing link in the production and processing of many packaging boxes. The packaging box printing device can print the packaging box, and by printing decorative patterns, patterns or texts on the packaging, the product can be made more attractive or more descriptive, thereby conveying information and increasing sales.

[0003] In the prior art, multiple packaging boxes are usually neatly arranged in a row, and the surfaces of the multiple packaging boxes are printed by a UV printer that reciprocates left and right. However, when printing on the other sides of the packaging boxes, workers are required to manually flip the multiple packaging boxes, which reduces the processing efficiency. To this end, we provide a packaging box surface printing device to solve the above problem. Summary of the invention

[0004] The purpose of the present invention is to provide a packaging box surface printing device to solve the problems raised in the background technology.

[0005] In order to achieve the above technical objectives, the technical solution adopted by the present invention is as follows: A packaging box surface printing device, comprising a support frame, a horizontal electric track is installed in the middle of the support frame, a UV printer is installed on the horizontal electric track, vertical electric tracks are installed on both sides of the support frame, two vertical electric tracks are installed with sliding plates, two front-to-back symmetrical electric telescopic rods are installed on opposite sides of the two sliding plates, and the output shafts of the electric telescopic rods on the front and back sides are connected with rectangular plates; A plurality of vertical grooves are provided on opposite sides of the two rectangular plates, and screws are rotatably mounted on the plurality of vertical grooves. The pitches of two adjacent screws are different. A rotating assembly for driving the screws to rotate is provided at the bottom of the rectangular plates, and a sliding block threadably connected to the screws is provided in the vertical grooves. A rotating shaft is rotatably mounted on the sliding block, and a clamping plate is provided at the end of the rotating shaft. The sliding block is provided with a rotating assembly for driving the rotating shaft to rotate.

[0006] The rotating assembly includes a strip groove provided at the bottom of the rectangular plate, the screw rod extending into the strip groove is connected to a first gear, a first rack meshing with the first gear is slidably provided in the strip groove, a connecting rod is connected to the right end of the first rack, a guide rail is installed on the right side of the supporting frame, and a guide rod located in the guide rail is fixed to the connecting rod.

[0007] The guide rail is composed of a straight rail and two inclined rails, and the two inclined rails are arranged at the front and rear ends of the straight rail.

[0008] The rotating assembly includes a mounting groove provided in the sliding block, the rotating shaft extending into the mounting groove is connected to a turbine, a worm matching the turbine is rotatably installed on the lower side of the mounting groove through a rotating rod, a gear ring is rotatably installed on the side wall of the sliding block, the end of the rotating rod is located on the inner side of the gear ring, a one-way bearing is provided between the gear ring and the rotating rod, and a second rack matching the gear ring is fixed to the lower side of the vertical groove.

[0009] Mounting blocks are fixed at both the front and rear ends of the bottom of the sliding plate on the right side, a rotating rod is rotatably installed between the two mounting blocks, and a bearing plate located between the two rectangular plates is fixed to the rotating rod.

[0010] A rectangular groove is provided in the mounting block, the rotating rod extends into the rectangular groove and is connected to a second gear, a third rack meshing with the second gear is slidably provided in the rectangular groove, a spring is provided between the left side of the third rack and the side wall of the rectangular groove, a push rod is connected to the right side of the third rack, and bosses matching the push rod are fixed on the front and rear sides of the supporting frame, the bosses are processed with inclined surfaces, and the position of the bosses corresponds to the position of the inclined rail.

[0011] The horizontal electric track (printing machine movement) and the vertical electric track (packaging box transportation) of the present invention work together to achieve seamless connection between upper surface printing and side printing, thereby improving overall processing efficiency.

[0012] The present invention realizes 90° automatic flipping of the packaging box through a screw drive and a worm gear transmission system, and cooperates with the self-locking function of the one-way bearing to ensure that the position is fixed after flipping, and can continuously complete printing on four sides, completely eliminating the manual flipping process. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present invention is further illustrated by means of the non-limiting examples given in the accompanying drawings.

[0014] Figure 1 It is a structural schematic diagram of an embodiment of a packaging box surface printing device of the present invention; Figure 2 It is a schematic diagram of the overall structure of the sliding plate and the rectangular plate of the present invention; Figure 3The cross-sectional structure of the sliding plate and rectangular plate of the present invention is schematically shown. Figure 1 ; Figure 4 The cross-sectional structure of the sliding plate and rectangular plate of the present invention is schematically shown. Figure 2 ; Figure 5 The cross-sectional structure of the sliding plate and rectangular plate of the present invention is schematically shown. Figure 3 ; Figure 6 for Figure 5 A schematic diagram of the structure enlargement at the center A; Figure 7 It is a structural schematic diagram of the sliding block and the clamping plate of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of the sliding block and the clamping plate of the present invention.

[0015] The main component symbols are described as follows: Support frame 1, horizontal electric track 11, UV printer 12, vertical electric track 13, vertical electric track 13, sliding plate 14, electric telescopic rod 15, rectangular plate 16, strip groove 161, first gear 162, first rack 163, connecting rod 164, guide rail 165, straight rail 1651, inclined rail 1652, guide rod 166, vertical groove 2, screw 21, sliding block 22, mounting groove 221, turbine 222, worm 223, gear ring 224, one-way bearing 225, second rack 226, rotating shaft 23, splint 24, mounting block 3, bearing plate 31, rectangular groove 32, second gear 33, third rack 34, spring 35, push rod 36, boss 37. DETAILED DESCRIPTION

[0016] In order to enable those skilled in the art to better understand the present invention, the technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0017] like Figure 1-8 As shown, a packaging box surface printing device of the present invention comprises a supporting frame 1, a horizontal electric track 11 is installed in the middle of the supporting frame 1, a UV printer 12 is installed on the horizontal electric track 11, vertical electric tracks 13 are installed on both sides of the supporting frame 1, and sliding plates 14 are installed on the two vertical electric tracks 13, and two front-to-back symmetrical electric telescopic rods 15 are installed on opposite sides of the two sliding plates 14, and the output shafts of the electric telescopic rods 15 on the front and back sides are connected to rectangular plates 16; A plurality of vertical grooves 2 are provided on opposite sides of the two rectangular plates 16, and a screw rod 21 is rotatably mounted on the plurality of vertical grooves 2. The pitches of two adjacent screw rods 21 are different. A rotating assembly for driving the screw rod 21 to rotate is provided at the bottom of the rectangular plate 16, and a sliding block 22 threadedly connected to the screw rod 21 is slidably provided in the vertical groove 2. A rotating shaft 23 is rotatably mounted on the sliding block 22, and a clamping plate 24 is provided at the end of the rotating shaft 23. The sliding block 22 is provided with a rotating assembly for driving the rotating shaft 23 to rotate.

[0018] The rotating assembly includes a strip groove 161 formed at the bottom of the rectangular plate 16, and the screw 21 extends into the strip groove 161 and is connected to a first gear 162. A first rack 163 is slidably provided in the strip groove 161 and meshes with the first gear 162. A connecting rod 164 is connected to the right end of the first rack 163. A guide rail 165 is installed on the right side of the support frame 1, and a guide rod 166 located in the guide rail 165 is fixed to the connecting rod 164.

[0019] The guide rail 165 is composed of a straight rail 1651 and two inclined rails 1652 . The two inclined rails 1652 are arranged at the front and rear ends of the straight rail 1651 .

[0020] The rotating assembly includes a mounting groove 221 provided in the sliding block 22, a rotating shaft 23 extending into the mounting groove 221 and connected to a turbine 222, a worm 223 matching the turbine 222 is rotatably installed on the lower side of the mounting groove 221 through a rotating rod, a gear ring 224 is rotatably installed on the side wall of the sliding block 22, the end of the rotating rod is located on the inner side of the gear ring 224, a one-way bearing 225 is provided between the gear ring 224 and the rotating rod, and a second rack 226 matching the gear ring 224 is fixed to the lower side of the vertical groove 2.

[0021] The UV printer 12 adopts piezoelectric inkjet printing technology. The voltage inside the nozzle controls the ink to be sprayed onto the surface of the substrate. The ultraviolet waves emitted by the LED cold light source react with the photosensitive curing agent in the UV ink, so that the pigment molecules in the UV ink are cured on the surface of the material, thereby achieving the drying and curing of the ink. This technology is a conventional technical means in the prior art and will not be described in detail. In the initial state, the sliding plate 14 is controlled to be at the rear side of the supporting frame 1, and the two rectangular plates 16 are controlled to be away from each other by the electric telescopic rod 15; When in use, several packaging boxes to be processed are placed close to each other and neatly between the two rectangular plates 16, and several clamping plates 24 are aligned with the ends of several packaging boxes one by one. The two rectangular plates 16 are driven to approach each other by the electric telescopic rod 15, so that the clamping plates 24 on the rectangular plates 16 clamp the packaging boxes, and several packaging boxes are close to each other and in the same plane. Then the vertical electric track 13 is started to drive the several packaging boxes to move forward to the bottom of the UV printer 12, and the UV printer 12 is driven to reciprocate left and right by the horizontal electric track 11, and the vertical electric track 13 drives the packaging boxes to move forward, so that patterns can be printed on the upper surface of the packaging boxes; After the printing on the upper surface of the packaging box is completed, the vertical electric track 13 drives the sliding plate 14 to continue to move forward as a whole, and the guide rod 166 will enter the inclined rail 1652 along the straight rail 1651, thereby driving the first rack 163 to move leftward through the connecting rod 164, so that the first gear 162 rotates, and the screw rod 21 is driven to rotate. Since the sliding block 22 sliding in the vertical groove 2 is threadedly connected with the screw rod 21, the rotation of the screw rod 21 can drive the sliding block 22 to move downward, and the packaging box clamped between the two clamping plates 24 follows the downward movement. Because the pitches of the two adjacent screw rods 21 are different, and the pitches of the two screw rods 21 separated by a screw 21 are the same, the downward movement strokes of the sliding blocks 22 on the two adjacent screw rods 21 will be different, and the heights of the two adjacent packaging boxes will be different after the downward movement; Before the sliding block 22 moves downward to the bottom of the vertical slot 2, the gear ring 224 will contact and mesh with the second rack 226, driving the gear ring 224 to rotate. The gear ring 224 drives the rotating rod to rotate through the one-way bearing 225, so that the worm 223 rotates synchronously, and then drives the rotating shaft 23 to rotate through the turbine 222, and the packaging box clamped between the two clamping plates 24 rotates accordingly. After the sliding block 22 moves to the bottom of the vertical slot 2, the packaging box rotates 90°. During the rotation of the packaging box, since the two adjacent packaging boxes are not on the same horizontal plane, they will not interfere with each other. Then the vertical electric track 13 drives the sliding plate 14 to move backward, and the guide rod 166 will enter the straight track 1651 along the inclined track 1652. In this process, the first rack 163 can be driven to move rightward through the connecting rod 164, which drives the screw rod 21 to rotate in the opposite direction, so that the sliding block 22 moves upward and resets. The gear ring 224 and the second rack 226 mesh and rotate in the opposite direction. This direction cannot drive the inner ring of the one-way bearing 225 to rotate, and will not drive the packaging box to rotate. After the guide rod 166 enters the straight track 1651, several packaging boxes will also be close to each other and in the same plane, and the surface of the packaging box will be printed by the UV printer 12; Similarly, the sliding plate 14 drives the packaging box to move as a whole to the rear side of the supporting frame 1 in the same manner as the above-mentioned movement principle, and can drive the packaging box to flip 90° again; By repeating the above steps, the four sides of the packaging box can be printed. Therefore, it is not necessary for the staff to turn the packaging box over after printing one side each time, thereby improving the processing efficiency. Since the turbine 222 and the worm 223 have a self-locking function, when the ring gear 224 and the second rack 226 are out of meshing, the external force cannot drive the turbine 222 to rotate, and when the clamping plate 24 clamps the packaging box, it will not automatically flip over.

[0022] Mounting blocks 3 are fixed to both front and rear ends of the bottom of the right sliding plate 14 , a rotating rod is rotatably mounted between the two mounting blocks 3 , and a bearing plate 31 located between the two rectangular plates 16 is fixed to the rotating rod.

[0023] A rectangular groove 32 is provided in the mounting block 3, and a rotating rod extends into the rectangular groove 32 and is connected to a second gear 33. A third rack 34 meshing with the second gear 33 is slidably provided in the rectangular groove 32. A spring 35 is provided between the left side of the third rack 34 and the side wall of the rectangular groove 32. A push rod 36 is connected to the right side of the third rack 34. Bosses 37 matching the push rod 36 are fixed on the front and rear sides of the supporting frame 1. The bosses 37 are processed with inclined surfaces, and the position of the bosses 37 corresponds to the position of the inclined rail 1652.

[0024] In the initial state, the supporting plate 31 can be kept in a horizontal state under the elastic force of the spring 35, and when the push rod 36 abuts against the boss 37, the third rack 34 can be pushed to move, thereby driving the second gear 33 to rotate, and driving the supporting plate 31 to flip downward to a vertical state through the rotating rod; since the position of the boss 37 corresponds to the position of the inclined rail 1652, when the guide rod 166 enters the inclined rail 1652 from the straight rail 1651, the push rod 36 will abut against the boss 37, and the supporting plate 31 will flip downward to a vertical state, and will not hinder the downward movement of the packaging box. Therefore, when placing the packaging box between the clamping plates 14, the position of the sliding plate 14 is controlled by the vertical electric track 13 so that the top rod 36 does not abut against the boss 37. At this time, the carrying plate 31 is in a horizontal state, and the electric telescopic rod 15 is started to drive the clamping plates 24 to move away from each other, so that the packaging box is neatly placed on the carrying plate 31, and then the packaging box can be clamped by the clamping plates 24, which is more convenient to use. After the printing of the packaging box is completed, the position of the sliding plate 14 can be controlled by the vertical electric track 13, and the top rod 36 abuts against the middle part of the inclined surface of the boss 37. At this time, the supporting plate 31 can be in a downward tilted state, and the clamping plate 24 cancels the clamping of the packaging box, and the packaging box falls downward onto the supporting plate 31. The packaging box is guided by the inclined supporting plate 31 to prevent the packaging box from falling directly on the ground, which is convenient for unloading.

[0025] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or change the above embodiments without violating the spirit and scope of the present invention. Therefore, all equivalent modifications or changes made by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A packaging box surface printing device, comprising a support frame, a transverse electric track is installed in the middle of the support frame, and a UV printer is installed on the transverse electric track, characterized in that: Vertical electric rails are installed on both sides of the support frame, and sliding plates are installed on the two vertical electric rails. Two electric telescopic rods symmetrically arranged in front and back are installed on opposite sides of the two sliding plates, and the output shafts of the electric telescopic rods on the front and back sides are connected with rectangular plates; A plurality of vertical grooves are provided on opposite sides of the two rectangular plates, and screws are rotatably mounted on the plurality of vertical grooves. The pitches of two adjacent screws are different. A rotating assembly for driving the screws to rotate is provided at the bottom of the rectangular plates, and a sliding block threadably connected to the screws is provided in the vertical grooves. A rotating shaft is rotatably mounted on the sliding block, and a clamping plate is provided at the end of the rotating shaft. The sliding block is provided with a rotating assembly for driving the rotating shaft to rotate.

2. The packaging box surface printing device according to claim 1, characterized in that: The rotating assembly includes a strip groove provided at the bottom of the rectangular plate, the screw rod extending into the strip groove is connected to a first gear, a first rack meshing with the first gear is slidably provided in the strip groove, a connecting rod is connected to the right end of the first rack, a guide rail is installed on the right side of the supporting frame, and a guide rod located in the guide rail is fixed to the connecting rod.

3. The packaging box surface printing device according to claim 2, characterized in that: The guide rail is composed of a straight rail and two inclined rails, and the two inclined rails are arranged at the front and rear ends of the straight rail.

4. The packaging box surface printing device according to claim 3, characterized in that: The rotating assembly includes a mounting groove provided in the sliding block, the rotating shaft extending into the mounting groove is connected to a turbine, a worm matching the turbine is rotatably installed on the lower side of the mounting groove through a rotating rod, a gear ring is rotatably installed on the side wall of the sliding block, the end of the rotating rod is located on the inner side of the gear ring, a one-way bearing is provided between the gear ring and the rotating rod, and a second rack matching the gear ring is fixed to the lower side of the vertical groove.

5. The packaging box surface printing device according to claim 4, characterized in that: Mounting blocks are fixed at both the front and rear ends of the bottom of the sliding plate on the right side, a rotating rod is rotatably installed between the two mounting blocks, and a bearing plate located between the two rectangular plates is fixed to the rotating rod.

6. The packaging box surface printing device according to claim 5, characterized in that: A rectangular groove is provided in the mounting block, the rotating rod extends into the rectangular groove and is connected to a second gear, a third rack meshing with the second gear is slidably provided in the rectangular groove, a spring is provided between the left side of the third rack and the side wall of the rectangular groove, a push rod is connected to the right side of the third rack, and bosses matching the push rod are fixed on the front and rear sides of the supporting frame, the bosses are processed with inclined surfaces, and the position of the bosses corresponds to the position of the inclined rail.

Images