Paper bag pattern printing device

Abstract

The utility model discloses a paper bag pattern printing device which comprises a bottom frame, a feeding unit is arranged at one end of the bottom frame, and a printing machine body is installed at the other end of the bottom frame. The feeding unit comprises a conveying belt and a fixed frame, and a movable frame is arranged above the fixed frame; a plurality of lower extension plates are symmetrically arranged at the two ends of the movable frame, bearing bodies are installed on the lower extension plates, and vertical guide holes are formed in the two sides of the fixed frame; a driving roller is mounted between the left and right coaxial bearing bodies, and end shafts penetrating through the vertical guide holes are arranged at the two ends of the driving roller; a driving piece is arranged between the fixed frame and the movable frame and can drive the fixed frame and the movable frame to be close to each other or away from each other; the outer shaft of one end shaft is connected and provided with a driving motor, and every two adjacent end shafts are in transmission connection through a belt; side limiting baffles are arranged on the bottom frame and located on the two sides of the conveying belt. According to the paper bag pattern printing device, alignment leading-in can be conducted before a paper bag is fed into a printing machine body for printing, and the printing quality is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to paper bag printing, and concretely relates to a paper bag pattern printing device. BACKGROUND

[0002] Paper bag pattern printing is a key step in the paper bag manufacturing process, which not only affects the appearance attractiveness of the paper bag, but also is closely related to the brand promotion and market recognition of the product.

[0003] The paper bag pattern printing machine disclosed in Publication No. CN220866682U includes a rack, a printing machine body provided at the top of the rack, two mounting plates symmetrically provided at one end of the rack, and a winding roller provided between the two mounting plates for winding the paper bag.

[0004] In the paper bag pattern printing machine, the bottom support is a planar non-rotating structure, and the smoothness is low when the paper bag is conveyed. In addition, the structure lacks side limiting on both sides, and the paper bag is easily offset when introduced into the printing machine body, causing poor printing quality. SUMMARY

[0005] The utility model aims to provide a paper bag pattern printing device, which can be aligned and introduced before the paper bag is sent into the printing machine body for printing, so that the printing quality is better.

[0006] To achieve the above-mentioned purpose, the utility model provides a paper bag pattern printing device, which includes a chassis, a feeding unit provided at one end of the chassis, and a printing machine body installed at the other end; the feeding unit includes a conveyor belt provided at the bottom and a fixed frame provided above the conveyor belt, an activity frame vertically movable is provided above the fixed frame; a plurality of lower extension plates are symmetrically provided at both ends of the activity frame, a bearing body is installed on the lower extension plate, vertical guide holes corresponding to the bearing bodies are provided at both sides of the fixed frame; a driving roller is installed between the two coaxial bearing bodies, end shafts penetrating the vertical guide holes are provided at both ends of the driving roller; a driving member is provided between the fixed frame and the activity frame, the driving member is configured to drive the fixed frame and the activity frame to move closer to or away from each other; a driving motor is connected and installed outside one of the end shafts, and adjacent two end shafts are connected through a belt drive.

[0007] Preferably, the feeding unit further includes a plurality of rotating rollers arranged in sequence and rotatingly provided on the chassis; the conveyor belt is sleeved on the rotating rollers.

[0008] Preferably, outer ends of the two side limiting baffle plates are connected with outwardly expanding guide plates; the distance between the two guide plates gradually increases from inside to outside.

[0009] Preferably, a plurality of end shafts at the same end are provided with double-groove pulleys; the belt between the two adjacent end shafts is sleeved in the grooves in the double-groove pulleys.

[0010] Preferably, the driving member is a hydraulic oil cylinder, which is installed on the movable frame, with a cylinder shaft penetrating through the movable frame and fixed to the top side of the fixed frame.

[0011] Preferably, the fixed frame is an inverted U-shaped plate; both sides of the base frame are provided with bearing strips bearing the end portions of the U-shaped plate, and the bearing strips are provided with a plurality of insertion holes; both ends of the U-shaped plate are provided with a plurality of insertion blocks capable of being inserted into the insertion holes one by one; the outer side of the insertion hole is provided with a through hole, and the inner side is provided with a screw hole; the insertion block is provided with a positioning hole, a bolt is installed in the through hole, and the bolt is screwed into the screw hole after penetrating through the through hole and the positioning hole.

[0012] Preferably, the lower extension plate on which the driving motor is installed is provided with a motor bracket; the driving motor is installed on the motor bracket.

[0013] Preferably, the bottom of the base frame is provided with a plurality of support columns.

[0014] According to the above technical scheme, the paper bag pattern printing device provided by the utility model has the advantages that the paper bag pattern printing device comprises a base frame, one end of the base frame is provided with a feeding unit, and the other end is provided with a printing machine body; the feeding unit comprises a conveying belt arranged at the bottom and a fixed frame arranged above the conveying belt; the fixed frame is provided with a movable frame capable of moving vertically above the fixed frame; the movable frame is provided with a plurality of lower extension plates symmetrically arranged at both ends of the movable frame; the lower extension plates are provided with bearing bodies; the both sides of the fixed frame are provided with vertical guide holes corresponding to the bearing bodies; two coaxial bearing bodies are provided with a driving roller; the driving roller is provided with end shafts penetrating through the vertical guide holes; the fixed frame and the movable frame are provided with a driving member; the driving member is arranged to drive the fixed frame and the movable frame to move closer to or farther away from each other; one of the end shafts is provided with a driving motor; the adjacent two end shafts are connected through a belt transmission; the base frame is provided with side limiting baffle plates on both sides of the conveying belt.

[0015] The paper bag pattern printing device has the following beneficial effects: 1. The mutual approach or departure between the fixed frame and the movable frame is driven by the driving member, so that the spacing between the plurality of driving rollers and the conveying belt can be adjusted, so that paper bags of different thicknesses are transported to the entrance of the printing machine body and printed with patterns; 2. The sliding fit between the plurality of vertical guide holes and the plurality of end shafts can realize the vertical guiding effect, so that the vertical movement of the movable frame is more stable; 3. The plurality of driving rollers are connected by belt transmission to realize synchronous rotation; 4. The setting of the two side limiting baffles can realize the limiting of the two sides of the paper bag, so that the transportation of the paper bag is more stable, and the paper bag is aligned and introduced before being sent into the printing machine body for printing, so that the printing quality is better.

[0016] Other features and advantages of the present application will be described in detail in the following specific embodiments. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings are included to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0018] Figure 1 is a schematic view of the overall structure of a preferred embodiment of the paper bag pattern printing device;

[0019] Figure 2 is a schematic view of the overall structure of a preferred embodiment of the paper bag pattern printing device;

[0020] Figure 3 is a schematic view of the overall structure of a preferred embodiment of the paper bag pattern printing device; Figure 2

[0021] Figure 4 is a schematic view of the overall structure of a preferred embodiment of the paper bag pattern printing device. Figure 2

[0022] BRIEF DESCRIPTION OF DRAWINGS

[0023] 1 - base frame; 2 - support column; 3 - fixed frame; 4 - vertical guide hole; 5 - side limiting baffle; 6 - guide plate; 7 - driving roller; 8 - bolt; 9 - bearing strip; 10 - movable frame; 11 - lower extension plate; 12 - bearing; 13 - hydraulic oil cylinder; 14 - motor frame; 15 - driving motor; 16 - printing machine body; 17 - double-groove pulley; 18 - belt; 19 - conveying belt; 20 - rotating roller; 21 - jack; 22 - plug-in block. DETAILED DESCRIPTION

[0024] ​​The specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are merely intended to illustrate and explain the present application, and are not intended to limit the present application.

[0025] In the present application, unless otherwise stated, the orientation words contained in the terms such as "up and down, left and right, front and back, inside and outside" only represent the orientation of the terms in the normal use state, or the common name understood by those skilled in the art, and should not be regarded as a limitation of the terms.

[0026] Referring to Figures 1-4 The paper bag pattern printing device shown in the figure comprises a chassis 1, one end of the chassis 1 is provided with a feeding unit, and the other end is provided with a printing machine body 16; the feeding unit comprises a conveying belt 19 arranged at the bottom and a fixed frame 3 arranged above the conveying belt 19, and a movable frame 10 capable of moving vertically is arranged above the fixed frame 3; a plurality of lower extension plates 11 are symmetrically arranged at both ends of the movable frame 10, bearings 12 are arranged on the lower extension plates 11, and vertical guide holes 4 corresponding to the bearings 12 are arranged on both sides of the fixed frame 3; a driving roller 7 is arranged between the two bearings 12 coaxially arranged on the left and right, end shafts penetrating the vertical guide holes 4 are arranged at both ends of the driving roller 7; a driving member is arranged between the fixed frame 3 and the movable frame 10, and the driving member is arranged to drive the fixed frame 3 and the movable frame 10 to move closer to or away from each other; a driving motor 15 is arranged on one of the end shafts, and the adjacent two end shafts are connected through a belt 18; side limiting baffle plates 5 are arranged on both sides of the conveying belt 19 on the chassis 1.

[0027] Through the implementation of the above technical scheme, when the paper bag pattern printing device is used, the paper bag to be printed is placed between the transmission belt and the driving roller 7 through one end of the conveying belt 19, and the paper bag is transported to the end of the transmission belt through the rotation of the driving roller 7 and the passive rotation of the transmission belt, then the paper bag is sent into the opening of the printing machine body 16 for printing, and the paper bag comes out from the other end of the printing machine body 16 after printing. Due to the use of the paper bag pattern printing device, the fixed frame 3 and the movable frame 10 are driven to move closer to or away from each other by the driving member, so that the distance between the plurality of driving rollers 7 and the conveying belt 19 can be adjusted, thereby the paper bag of different thicknesses can be transported and fed, and then transported to the entrance of the printing machine body 16 for pattern printing; the sliding fit between the plurality of vertical guide holes 4 and the plurality of end shafts can realize the vertical guiding effect, so that the vertical movement of the movable frame 10 is more stable; the plurality of driving rollers 7 are connected through the belt 18, so as to realize synchronous rotation; through the arrangement of the side limiting baffle plates 5 on both sides, the limiting of the two sides of the paper bag can be realized, so that the transportation and feeding of the paper bag are more stable, and the paper bag can be aligned and introduced before being sent into the printing machine body 16 for printing, so that the printing quality is better.

[0028] In this embodiment, in order to further provide a feeding unit, the feeding unit further comprises a plurality of rotating rollers 20 arranged in sequence and rotatingly arranged on the base frame 1; a plurality of the rotating rollers 20 are sleeved with the conveying belt 19. For example, a space for installing a plurality of rotating rollers 20 is arranged on the base frame 1, and a bearing 12 is arranged at the connection between the rotating roller 20 and the base frame 1 to improve the rotating smoothness of the rotating roller 20. The conveying belt is passively driven to rotate the paper bag under the action of the plurality of rotating rollers 20 and the driving roller 7, so as to realize the feeding operation of the paper bag. At the same time, the plurality of rotating rollers 20 also serve as a certain supporting function during the feeding process.

[0029] In this embodiment, the outer ends of the two side limiting baffle plates 5 are connected with outwardly expanding guide plates 6; the spacing between the two guide plates 6 gradually increases from inside to outside. Through such arrangement, the paper bag is more easily and accurately fed onto the conveying belt 19.

[0030] In this embodiment, a plurality of double-groove pulleys 17 are sleeved on the end shafts at the same end; the belts 18 between adjacent two end shafts are sleeved in the grooves in the double-groove pulleys 17. Through such arrangement, synchronous transmission connection between a plurality of driving rollers 7 is realized.

[0031] In this embodiment, the driving member is a hydraulic oil cylinder 13, which is installed on the movable frame 10 and has a cylinder shaft penetrating through the movable frame 10 and fixed to the top side of the fixed frame 3. The extension and retraction of the cylinder shaft of the hydraulic oil cylinder 13 enables the movable frame 10 to move in the vertical direction.

[0032] In this embodiment, the fixed frame 3 is an inverted U-shaped plate; the two sides of the base frame 1 are provided with bearing strips 9 bearing the end portions of the U-shaped plate, the bearing strips 9 are provided with a plurality of insertion holes 21; the two ends of the U-shaped plate are provided with a plurality of insertion blocks 22 which can be inserted into the insertion holes 21 one by one; the outer side of the insertion hole 21 is provided with a through hole, and the inner side is provided with a screw hole; the insertion block 22 is provided with a positioning hole, a bolt 8 is installed in the through hole, and the bolt 8 is screwed to the screw hole after penetrating through the through hole and the positioning hole. Through such arrangement, a detachable mode of the fixed frame 3 is provided, which is convenient for maintenance. In addition, the inverted U-shaped plate also has the function of shielding and protection, which improves the production safety.

[0033] In this embodiment, in order to further provide a mounting mode of the driving motor 15, the lower extension plate 11 on which the driving motor 15 is installed is provided with a motor bracket 14; the driving motor 15 is installed on the motor bracket 14.

[0034] In the embodiment, the bottom of the chassis 1 is provided with a plurality of support columns 2. The whole is supported by the support columns 2.

[0035] The preferred embodiments of the present application are described in detail above with reference to the drawings, but the present application is not limited to the specific details in the above-described embodiments, and various simple modifications can be made to the technical solutions of the present application within the technical concept of the present application, and these simple modifications all belong to the protection scope of the present application.

[0036] In addition, it should be noted that each specific technical feature described in the above specific embodiments can be combined in any appropriate manner without contradiction, and in order to avoid unnecessary repetition, the present application will not further describe various possible combination manners.

[0037] In addition, various different embodiments of the present application can also be combined in any manner, as long as they do not deviate from the concept of the present application, and they should also be considered as disclosed by the present application.

Claims

1. A paper bag pattern printing apparatus characterized by comprising: Including the chassis (1), one end of the chassis (1) is provided with a feeding unit, the other end is provided with a printing machine body (16); The feeding unit comprises a conveyor belt (19) arranged at the bottom, and a fixed frame (3) arranged above the conveyor belt (19), wherein the upper portion of the fixed frame (3) is provided with a movable frame (10) capable of moving vertically; The movable frame (10) is symmetrically provided with a plurality of lower extension plates (11) at both ends, the lower extension plates (11) are provided with bearings (12), and the both sides of the fixed frame (3) are provided with vertical guide holes (4) corresponding to the bearings (12); Two coaxial bearings (12) are installed between the driving rollers (7), and the both ends of the driving rollers (7) are provided with end shafts penetrating the vertical guide holes (4); The fixed frame (3) and the movable frame (10) are provided with a driving member, which is arranged to drive the fixed frame (3) and the movable frame (10) to move closer to or away from each other; One of the end shafts is connected with a driving motor (15), and the adjacent two end shafts are connected by a belt (18); The both sides of the conveyor belt (19) on the chassis (1) are provided with side limiting baffle plates (5).

2. The paper bag pattern printing apparatus according to claim 1, wherein The feeding unit further comprises a plurality of rotating rollers (20) arranged in sequence and rotating on the chassis (1); The conveyor belt (19) is sleeved on the plurality of rotating rollers (20).

3. The paper bag pattern printing apparatus according to claim 1, wherein The outer ends of the two side limiting baffle plates (5) are connected with outwardly expanding guide plates (6); The distance between the two guide plates (6) gradually increases from inside to outside.

4. The paper bag pattern printing apparatus according to claim 1, wherein The end shafts at the same end are sleeved with double-groove pulleys (17); The belt (18) between the adjacent two end shafts is sleeved in the grooves in the double-groove pulleys (17).

5. The paper bag pattern printing apparatus according to claim 1, wherein The driving member is a hydraulic oil cylinder (13), which is installed on the movable frame (10) and fixed to the top side of the fixed frame (3) after penetrating the movable frame (10).

6. The paper bag pattern printing apparatus according to claim 1, wherein The fixed frame (3) is an inverted U-shaped plate; The both sides of the chassis (1) are provided with load-bearing strips (9) bearing the end portions of the U-shaped plate, and the load-bearing strips (9) are provided with a plurality of insertion holes (21); The both ends of the U-shaped plate are provided with a plurality of insertion blocks (22) capable of being inserted into the insertion holes (21) one by one, the outer side of the insertion hole (21) is provided with a through hole, and the inner side is provided with a screw hole; The insertion block (22) is provided with a positioning hole, the through hole is provided with a bolt (8), and the bolt (8) is screwed into the screw hole after penetrating the through hole and the positioning hole.

7. The paper bag pattern printing apparatus according to claim 1, wherein The lower extension plate (11) provided with the driving motor (15) is provided with a motor bracket (14); The driving motor (15) is installed on the motor bracket (14).

8. The paper bag pattern printing apparatus according to claim 1, wherein The bottom of the chassis (1) is provided with a plurality of supporting columns (2).

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