CN220148672U

CN220148672U - Feeding mechanism of digital printer

Info

Publication number: CN220148672U
Application number: CN202321332680.8U
Authority: CN
Inventors: 邱培凯
Original assignee: Shenzhen Chuangsejie Technology Co ltd
Current assignee: Shenzhen Chuangsejie Technology Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-12-08
Anticipated expiration: 2033-05-30

Abstract

The utility model belongs to the technical field of printers, and relates to a feeding mechanism of a digital printer, which comprises: the lifting feeding platform is used for bearing a material pile; the sucker assembly is positioned above the lifting feeding platform and is used for grabbing materials; the lifting cylinder is fixedly connected with the sucker assembly and is used for driving the sucker assembly to move up and down; the horizontal cylinder is fixed on the external support and fixedly connected with the lifting cylinder, and is used for driving the sucker assembly to horizontally displace; the material height sensor is used for monitoring the height of the material pile and controlling the lifting feeding platform; the horizontal cylinder is matched with the lifting cylinder to drive the sucker assembly to move, and the lifting feeding platform is matched with the material height sensor to be used for the height of the material pile.

Description

Feeding mechanism of digital printer

Technical Field

The utility model belongs to the technical field of printers, and relates to a feeding mechanism of a digital printer.

Background

Along with the popularization of environmental protection concepts, paper bags are adopted to replace plastic bags by merchants at present. In the field of paper bag production, in order to ensure the printing quality of the surface of a paper bag, drawings are printed on a paper roll during production, and then a finished product is assembled by cutting. The method is generally a roll-to-roll feeding method, and is suitable for mass production.

However, in the market, there is a great number of small-batch personalized printing requirements, especially for some short-term and temporary market activities, the paper bag finished product printing can realize the rapid and low-cost printing requirements, and help enterprises to rapidly respond to market changes.

In the printing of finished paper bags, the roll-to-roll feeding mode in the prior art cannot be adopted, so that the design of an automatic feeding device is a difficult problem to be solved in order to meet the printing requirements of finished paper bags.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a feeding mechanism of a digital printer, which is used for grabbing paper bags one by one for automatic feeding.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a feeding mechanism of a digital printer, comprising:

the lifting feeding platform is used for bearing a material pile;

the sucker assembly is positioned above the lifting feeding platform and is used for grabbing materials;

the lifting cylinder is fixedly connected with the sucker assembly and is used for driving the sucker assembly to move up and down;

the horizontal cylinder is fixed on the external support and fixedly connected with the lifting cylinder, and is used for driving the sucker assembly to horizontally displace;

the material height sensor is used for monitoring the height of the material pile and controlling the lifting feeding platform;

the horizontal cylinder is matched with the lifting cylinder to drive the sucker assembly to move, and the lifting feeding platform is matched with the material height sensor to be used for the height of the material pile.

Further, the sucking disc subassembly includes sucking disc support and suction nozzle, the sucking disc is direct with lift cylinder fixed connection, the sucking disc surface is equipped with a plurality of spouts, a plurality of the suction nozzle is slidable mounting respectively in the spout.

Further, the lifting feeding platform comprises a feeding transmission platform and a lifting device;

the feeding transmission platform is used for bearing and conveying the material pile, and the lifting device is used for driving the material transmission platform to move up and down.

Further, the device also comprises a positive baffle and a positive push rod;

the positive baffle and the positive push rod are respectively positioned at the front side and the rear side of the material pile;

the positive baffle is positioned in front of the feeding transmission platform for positioning;

the positive push rod is positioned at the transmission rear of the feeding transmission platform and is used for pushing the material pile to be in butt joint with the positive baffle plate for correcting deviation.

Further, the positive push rod is connected with the horizontal cylinder through a first slide rod, and the first slide rod is used for adjusting the horizontal position of the positive push rod;

and the positive push rod synchronously moves and pushes the animal material pile when the horizontal cylinder drives the sucker assembly to horizontally displace.

Further, the device also comprises a side baffle and a side push rod;

the side baffle and the side push rod are respectively arranged at the left side and the right side of the material pile through a second slide bar assembly and a third slide bar assembly;

the second sliding rod assembly is used for adjusting the horizontal position of the side baffle plate, and the third sliding rod assembly is used for adjusting the horizontal position of the side push rod;

the side pushing rod is driven by the side pushing cylinder to push materials to enable the materials to be in butt joint with the side baffle plate for correction.

Further, the material preparation device also comprises a material preparation conveying belt, wherein the material preparation conveying belt is in butt joint with the material loading transmission platform and is used for conveying a material pile;

and one end of the material preparation transmission platform, which is close to the feeding transmission platform, is provided with a material shortage sensor, and the material shortage sensor is used for controlling the rotation of the material preparation transmission platform.

Further, a positioning plate is arranged on the side face of the material preparation conveyor belt, and the positioning plate is fixed through a fourth sliding rod assembly.

Further, the device also comprises a height limiting sensor, wherein the height limiting sensor is arranged above the lifting feeding platform and used for limiting the highest lifting height of the lifting feeding platform.

Further, still include the dust cover, dust cover cage goes up and down feeding platform, sucking disc subassembly, lift cylinder and material height sensor.

Compared with the prior art, the technical scheme provided by the utility model has the following advantages:

1. the feeding mechanism adopts the horizontal cylinder and the lifting cylinder to drive the sucker assembly in a matched manner to grab materials, and simultaneously utilizes the material height sensor to monitor the height of a material pile and control the lifting feeding platform. The automatic design can improve the production efficiency, reduce the manual intervention and reduce the labor intensity;

2. the feeding mechanism rectifies and positions the material pile through the front baffle plate, the side baffle plate, the front push rod and the side push rod, so that the accurate position of the material pile is ensured to be maintained in the conveying process. This helps to improve print quality, reducing waste;

3. through first slide bar, second slide bar subassembly and third slide bar subassembly, can conveniently adjust the horizontal position of positive push rod, side shield and side push rod, adapt to the material of different specifications. The adaptability and the application range of the equipment are greatly improved, and the adjustment time for replacing materials is reduced;

4. the material preparation conveyor belt is in butt joint with the feeding transmission platform, so that the continuous supply of the material pile is ensured. The material shortage sensor can control the rotation of the material preparation conveyor belt, so that the uninterrupted material supply is ensured, and the production efficiency is improved;

5. the height limiting sensor can limit the highest lifting height of the lifting feeding platform, and equipment is prevented from being damaged due to overhigh lifting. The dust cover can protect the lifting feeding platform, the sucker assembly, the lifting cylinder and the material height sensor, so that the service life of the equipment is prolonged, and the maintenance cost is reduced;

6. through adopting compact structural design such as lift feed platform, horizontal cylinder and lift cylinder, saved equipment area, the equipment of being convenient for realizes efficient material transportation and printing operation in limited space.

Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model may be realized and attained by the structure particularly pointed out in the written description and drawings.

Drawings

The present utility model will be described in detail below with reference to the attached drawings, so that the above advantages of the present utility model will be more apparent.

FIG. 1 is a partial schematic view of a feed mechanism of a digital printer of the present utility model;

FIG. 2 is a schematic diagram of a chuck assembly of a loading mechanism of a digital printer according to the present utility model;

FIG. 3 is an internal schematic view of a loading mechanism of the digital printer of the present utility model;

fig. 4 is a schematic structural view of a feeding mechanism of the digital printer of the present utility model.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships as described based on the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, a feeding mechanism of a digital printer includes:

a lift feed platform 100 for carrying a stack of materials;

the sucking disc assembly 200 is positioned above the lifting feeding platform 100, and the sucking disc assembly 200 is used for grabbing materials;

the lifting cylinder 300 is fixedly connected with the sucker assembly 200, and the lifting cylinder 300 is used for driving the sucker assembly 200 to move up and down;

the horizontal cylinder 400 is fixed on the external bracket and fixedly connected with the lifting cylinder 300, and the horizontal cylinder 400 is used for driving the sucker assembly 200 to horizontally displace;

a material height sensor 500 for monitoring the height of the material stack and controlling the elevation feed platform 100;

wherein, the horizontal cylinder 400 is matched with the lifting cylinder 300 to drive the sucker assembly 200 to move, and the lifting feeding platform 100 is matched with the material height sensor 500 to be used for the height of the material pile.

During feeding, the paper bag finished product stacking composition material pile is positioned on the lifting feeding platform 100, the lifting cylinder 300 drives the sucker assembly 200 to descend to suck paper bags, and then the horizontal cylinder 400 is started to drive the sucker assembly 200 to displace through the lifting cylinder 300 to finish feeding.

Considering that the stroke of the elevation cylinder 300 is fixed, in order to secure the grasping effect of the suction cup assembly 200. The lifting feeding platform 100 is matched with the material pile, when the sucker assembly 200 does not grab a paper bag, the lifting feeding platform 100 moves upwards, the relative position of the uppermost material of the material pile and the sucker assembly 200 is kept unchanged, and therefore feeding efficiency is guaranteed.

The material height sensor 500 is used for controlling the lifting of the lifting feeding platform 100, when the sucker assembly 200 grabs a finished paper bag for feeding, the material height sensor 500 detects a shortage of material, and then the lifting feeding platform 100 is controlled to lift until the paper bag at the uppermost layer of the material stack triggers the material height sensor 500, and the lifting feeding platform 100 stops moving. The material height sensor 500 cooperates with the elevation feed platform 100 to achieve stable feed.

In this embodiment, the suction cup assembly 200 includes a suction cup support 210 and a suction nozzle 220, the suction cup is directly fixedly connected with the lifting cylinder 300, a plurality of sliding grooves are formed on the surface of the suction cup, and a plurality of suction nozzles 220 are respectively slidably mounted in the sliding grooves. In small-lot custom printing, paper bags are considered to be of different specifications. In order to ensure the versatility of the feeding mechanism and the grasping effect of the suction cup assembly 200. In the form of an adjustable suction nozzle 220. The interval between the plurality of suction nozzles 220 is adjustable, the suction nozzles 220 are fixed on the suction cup bracket 210 through nuts, and the interval between the suction nozzles 220 is adjusted according to the size specification of the paper bag.

In this embodiment, the lifting feeding platform includes a feeding transmission platform 110 and a lifting device 120;

the loading transmission platform 110 is used for carrying and conveying a material pile, and the lifting device 120 is used for driving the loading transmission platform to move up and down. After the material pile is transferred to the feeding transmission platform 110, the feeding transmission platform 110 rotates to transfer the material pile to a designated position, and then the lifting device 120 is started again to drive the feeding transmission platform 110 to the designated position to wait for grabbing.

The feeding transmission platform 110 adopts a round belt for transmission, a pile sensor is arranged in the feeding transmission platform 110, and the pile sensor monitors whether the feeding transmission platform 110 has paper bags or not through gaps between the round belts. When the feeding transmission platform 110 has a material pile, the material pile sensor is triggered, and if all paper bags are fed completely to form a vacancy. The stack sensor is reset and the lifting device 120 is controlled to reset.

In this embodiment, the device further comprises a positive baffle 610 and a positive push rod 620;

the front baffle 610 and the front push rod 620 are respectively positioned at the front side and the rear side of the material pile;

the positive baffle 610 is positioned in front of the transmission of the feeding transmission platform 110 for positioning;

the positive push rod 620 is located at the rear of the feeding transmission platform 110, and the positive push rod 620 is used for pushing the material pile to abut against the positive baffle 610 for correcting deviation.

When the lifting feeding platform is used, the lifting feeding platform is located at an initial height, the material pile is transferred to the feeding transmission platform 110, the feeding transmission platform 110 rotates, the material pile is transferred to pass through the lower portion of the positive push rod 620, the material pile is abutted to the positive baffle 610, the positive baffle 610 is used for positioning the material pile, the positive baffle 610 limits the displacement of the material pile, and when the material pile reaches a designated position, the lifting device 120 starts to drive the feeding transmission platform 110 to move upwards. The stack is now located between the positive baffle 610 and the positive pushrod 620. The positive push rod 620 pushes the material pile towards the direction of the positive baffle 610 under the drive of the driving piece, so that the material pile deviation correcting effect is achieved, the paper bag feeding progress is improved, and the displacement deviation is reduced.

In this embodiment, the positive push rod 620 is connected to the horizontal cylinder 400 through a first slide bar 630, and the first slide bar 630 is used for adjusting the horizontal position of the positive push rod 620;

the horizontal cylinder 400 drives the positive push rod 620 to move synchronously and push the stack of animals as the suction cup assembly 200 moves horizontally.

The positive push rod 620 is connected with the horizontal cylinder 400 to position and correct the material pile in the feeding process. No driving cylinder is required to be separately arranged for the positive push rod 620, the cost of the equipment is reduced,

during feeding, the lifting air cylinder 300 drives the sucker assembly 200 to descend, and the sucker assembly 200 descends to suck paper bags. Then the lifting cylinder 300 is reset, the sucker assembly 200 fixes the paper bags to rise synchronously, at the moment, the horizontal cylinder 400 drives, the sucker assembly 200 carries the paper bags to pass over the positive baffle 610 for feeding, and meanwhile, the positive push rod 620 calibrates the position of the paper bags at the top of the material stack under the driving of the horizontal cylinder 400.

According to the different specifications of the paper bags, the position of the positive push rod 620 is adjusted through the first slide rod 630 so as to adapt to the paper bags with different specifications. The position of the material pile is calibrated by adopting a linked structure, and the sucker assembly 200 positions and calibrates the next paper bag with grabbing function when feeding each time, so that the feeding precision is greatly ensured.

In this embodiment, the side baffle 710 and the side push rod 720 are also included;

the side baffle 710 and the side push rod 720 are respectively arranged at the left side and the right side of the material pile through a second slide bar assembly 730 and a third slide bar assembly;

the second sliding rod assembly 730 is used for adjusting the horizontal position of the side baffle 710, and the third sliding rod assembly is used for adjusting the horizontal position of the side push rod 720;

the side push rod 720 is driven by the side push cylinder 740 to push the material to make the material abut against the side baffle 710 for deviation correction.

The positioning correction of the material pile is divided into front and back directions and left and right directions. The positive baffle 610 and the positive pushrod 620 are used for positioning and correction in the front-to-rear direction. The side guards 710 and side pushers 720 are used for left-right direction positioning and correction.

The side baffle 710 is used for positioning in the left-right direction, and the material pile is abutted against the side baffle 710 to realize positioning in the left-right direction. According to paper bags of different specifications, the position of the side baffle 710 can be adjusted through the second sliding rod, so that the positioning requirements of the paper bags of different specifications can be met.

After the sucker assembly 200 is loaded, the side push rod 720 pushes the material under the drive of the side push cylinder 740 to enable the material to abut against the side baffle 710 for correction. And positioning and calibrating the left and right directions of the material pile. For paper bags with different specifications, the positions of the side pushing cylinder 740 and the side pushing rod 720 can be adjusted through the third sliding rod.

In this embodiment, the material preparation device further comprises a material preparation conveyor belt 800, wherein the material preparation conveyor belt 800 is in butt joint with the material loading transmission platform 110 for conveying a material pile;

the one end that is close to material loading transmission platform 110 of material preparation transmission platform is equipped with lacks material sensor 830, lacks material sensor 830 is used for controlling the rotation of material preparation transmission platform.

In small-lot custom manufacturing, manufacturers often purchase paper bags and then print with secondary custom processing. The stack of bags often requires manual placement, and the suction cup assembly 200 manually places the aligned stack on the feed conveyor 800 during loading. When the material pile below the sucker assembly 200 is completely loaded, the lifting device 120 returns to the original position, and the material preparation conveyor 800 and the loading transmission platform 110 synchronously rotate, so that the transmission of the material pile is completed.

In this embodiment, a positioning plate 810 is disposed on a side of the stock conveyor 800, and the positioning plate 810 is fixed by a fourth sliding rod assembly 820.

In the process of conveying, in order to ensure that the material pile on the material preparation conveyor 800 can correspond to the positioning device on the material loading platform 110, the positioning plate 810 and the side baffle 710 are located on the same plane. The positioning of the material pile is facilitated, and the transferring precision is provided.

In this embodiment, the height limiting sensor is further included, and the height limiting sensor is installed above the lifting feeding platform 100 and is used for limiting the highest lifting height of the lifting feeding platform 100. In order to avoid the situation that the height of the lifting feeding platform 100 is too high to generate collision, the height limiting sensor limits the maximum travel of the lifting feeding platform 100. When the height limiting sensor is triggered, the lifting feeding platform 100 stops moving, so that the collision of the machine is avoided.

In this embodiment, the dust cover 900 is further included, and the dust cover 900 covers the lifting feeding platform 100, the sucker assembly 200, the lifting cylinder 300 and the material height sensor 500. The dust cover 900 is used for reducing external dust from falling into a production line, and affecting subsequent printing effects. Meanwhile, the dust cover 900 is provided with a visual window, and the visual window is covered by a transparent plate, so that a user can observe the working condition of the equipment conveniently.

The feeding mechanism cooperates with the lifting feeding platform 100, the sucker assembly 200, the lifting cylinder 300, the horizontal cylinder 400, the material height sensor 500 and other components to realize accurate feeding of the material stack. Positioning and deviation correcting devices such as the front baffle 610, the front push rod 620, the side baffle 710 and the side push rod 720 are combined, so that positioning accuracy of paper bags of different specifications is guaranteed. The material preparation conveyor 800 and the feeding driving platform 110 rotate synchronously, and the conveyance of the material pile is smoothly completed. Meanwhile, the height limiting sensor and the dust cover 900 are arranged, so that the operation safety of equipment is ensured, and the printing effect is improved.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A feeding mechanism of a digital printer, comprising:

a lifting feed platform (100) for carrying a stack of materials;

the sucking disc assembly (200) is positioned above the lifting feeding platform (100), and the sucking disc assembly (200) is used for grabbing materials;

the lifting cylinder (300) is fixedly connected with the sucker assembly (200), and the lifting cylinder (300) is used for driving the sucker assembly (200) to move up and down;

the horizontal air cylinder (400) is fixed on the external support and fixedly connected with the lifting air cylinder (300), and the horizontal air cylinder (400) is used for driving the sucker assembly (200) to horizontally displace;

a material level sensor (500) for monitoring the level of the material stack and controlling the elevation feed platform (100);

the horizontal cylinder (400) is matched with the lifting cylinder (300) to drive the sucker assembly (200) to move, and the lifting feeding platform (100) is matched with the material height sensor (500) to be used for the height of a material pile.

2. The feeding mechanism of a digital printer according to claim 1, wherein the suction cup assembly (200) comprises a suction cup bracket (210) and suction nozzles (220), the suction cup is directly and fixedly connected with the lifting cylinder (300), a plurality of sliding grooves are formed in the surface of the suction cup, and the suction nozzles (220) are respectively and slidably installed in the sliding grooves.

3. The feeding mechanism of a digital printer according to claim 1, wherein the lifting feeding platform comprises a feeding transmission platform (110) and a lifting device (120);

the feeding transmission platform (110) is used for bearing and conveying a material pile, and the lifting device (120) is used for driving the feeding transmission platform to move up and down.

4. A feeding mechanism of a digital printer according to claim 3, further comprising a positive baffle (610) and a positive push rod (620);

the positive baffle (610) and the positive push rod (620) are respectively positioned at the front side and the rear side of the material pile;

the positive baffle (610) is positioned in front of the transmission of the feeding transmission platform (110) and used for positioning;

the positive push rod (620) is positioned at the rear of the transmission of the feeding transmission platform (110), and the positive push rod (620) is used for pushing the material pile to be propped against the positive baffle (610) for correcting deviation.

5. The feeding mechanism of a digital printer according to claim 4, wherein the positive push rod (620) is connected with the horizontal cylinder (400) through a first slide rod (630), and the first slide rod (630) is used for adjusting the horizontal position of the positive push rod (620);

the horizontal cylinder (400) drives the suction cup assembly (200) to move synchronously when horizontally moving, and pushes the material pile.

6. A feeding mechanism of a digital printer according to claim 3, further comprising a side guard (710) and a side push rod (720);

the side baffle (710) and the side push rod (720) are respectively arranged at the left side and the right side of the material pile through a second slide bar assembly (730) and a third slide bar assembly;

the second sliding rod assembly (730) is used for adjusting the horizontal position of the side baffle (710), and the third sliding rod assembly is used for adjusting the horizontal position of the side push rod (720);

the side pushing rod (720) is driven by the side pushing cylinder (740) to push materials to be abutted against the side baffle (710) for correction.

7. A feeding mechanism of a digital printer according to claim 3, further comprising a stock conveyor (800), the stock conveyor (800) interfacing with a feeding drive platform (110) for conveying a stack of materials;

one end of the material preparation transmission platform, which is close to the feeding transmission platform (110), is provided with a material shortage sensor (830), and the material shortage sensor (830) is used for controlling the rotation of the material preparation transmission platform.

8. The feeding mechanism of a digital printer according to claim 7, wherein a positioning plate (810) is arranged on the side surface of the stock material conveyor belt (800), and the positioning plate (810) is fixed by a fourth sliding rod assembly (820).

9. The feeding mechanism of a digital printer according to claim 1, further comprising a height limiting sensor mounted above the lift feed platform (100) for limiting a highest lift height of the lift feed platform (100).

10. The feeding mechanism of a digital printer according to claim 1, further comprising a dust cover (900), wherein the dust cover (900) covers the lift feed platform (100), the suction cup assembly (200), the lift cylinder (300) and the material height sensor (500).