CN212147937U

CN212147937U - Plastic bag printing processingequipment

Info

Publication number: CN212147937U
Application number: CN202020232251.3U
Authority: CN
Inventors: 陈国辉
Original assignee: Chongqing Longsheng Packaging Products Co ltd
Current assignee: Chongqing Longsheng Packaging Products Co ltd
Priority date: 2020-02-28
Filing date: 2020-02-28
Publication date: 2020-12-15
Anticipated expiration: 2030-02-28

Abstract

The utility model relates to the field of plastic bag processing, in particular to a plastic bag printing and processing device, which comprises a base, a printing head and a cylinder for driving the printing head to vertically move, wherein the base is transversely connected with two sliding blocks in a sliding way, and the two sliding blocks are both fixedly connected with a tightening rod; and the driving structure is used for transversely moving the two sliders. The scheme realizes that the plastic bag can be tightened in the process of printing the mark on the plastic bag.

Description

Plastic bag printing processingequipment

Technical Field

The utility model relates to a plastic bag processing field especially relates to plastic bag printing processingequipment.

Background

For some electronic products, when they are sold out of factories, they need to be packaged, such as keyboards, display screens, etc. At present, most of materials adopted by the electronic product packages are plastic bags, the plastic bags are mostly rectangular, one ends of the rectangles are provided with openings, and the electronic products can be placed into the plastic bags through the openings. The plastic bag need use printing device to print some marks on the plastic bag in the processing production process, and present printing device includes base, print head and the cylinder that is used for driving the vertical removal of print head, during the printing, with the plastic bag tiling on the base, through cylinder drive print head downstream, print head and the surface of plastic bag closely offset, the print head will mark the printing on the surface of plastic bag.

However, in the printing process, if the plastic bag is not flattened on the base, the plastic bag is wrinkled on the base, so that marks printed on the plastic bag are overlapped when the printing head moves downwards, after the marks are printed, the overlapped part of the plastic bag is not printed with the marks after the plastic bag is flattened, and the marks are discontinuous, thereby affecting the quality of the printed marks.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plastic bag printing processingequipment to the realization is printing the sign in-process to the plastic bag, and the plastic bag can be tightened.

In order to achieve the above purpose, the technical scheme of the utility model is that: the plastic bag printing and processing device comprises a base, a printing head and an air cylinder for driving the printing head to vertically move, wherein two sliding blocks are transversely connected to the base in a sliding manner, and tightening rods are fixedly connected to the two sliding blocks; and the driving structure is used for transversely moving the two sliders.

The working principle and the effect of the scheme are as follows: the air cylinder is used for driving the printing head to vertically move, during printing, the plastic bag is placed on the base, the printing head moves downwards under the driving of the air cylinder, and the printing head prints marks on the plastic bag. In addition, before the printing, insert the plastic bag with two poles that tighten through the opening of plastic bag in, when printing, make two sliders keep away from each other through drive structure, two sliders drive two poles that tighten and keep away from each other, two poles that tighten and the left and right two inside walls of plastic bag offset like this, the plastic bag is tightened under the effect that two poles that tighten kept away from each other, the fold can not appear on the surface of plastic bag like this, thereby can avoid the printing head plastic bag when the printing to be in the state of fold, the quality of the printing of plastic bag has been guaranteed.

Furthermore, the driving structure comprises a driving plate connected with a cylinder rod of the cylinder, connecting rods are connected between the two sliding blocks and the driving plate, the two ends of each connecting rod are respectively connected to the driving plate and the corresponding sliding block in a rotating mode, the end portions, located on the driving plate, of the two connecting rods are close to each other, and the other ends of the two connecting rods are far away from each other. From this, when the cylinder drive print head moves down, the cylinder also drives the drive plate simultaneously and moves down, distance between drive plate and the slider diminishes, connecting rod on the drive plate takes place to rotate, contained angle grow between two connecting rods, the connecting rod promotes two sliders and keeps away from each other, the slider drives two and tightens the pole and keep away from each other, realized from this that the mark in-process is printed to the plastic bag at print head downstream, two tighten the pole can keep away from automatically and make the plastic bag tighten automatically, need not to carry out extra control. When the cylinder drive print head rebound, the cylinder also drives drive plate rebound simultaneously, distance grow between drive plate and the slider, contained angle between two connecting rods diminishes, the connecting rod drives two sliders and is close to each other, the slider drives two tightening rods and is close to each other, realized from this that the back rebound that the print head printing finishes and keep away from the plastic bag in-process, two tightening rods can be close to automatically, tightening rod no longer tightens the plastic bag like this, the plastic bag that will print the mark and finish takes off from tightening rod.

Furthermore, a cushion block is fixedly connected to the base and is opposite to the printing head. The cushion is used for supporting the printing position of the plastic bag, so that when the printing head presses the plastic bag in a squeezing mode, the cushion can stably support the stressed position of the plastic bag.

Furthermore, a dovetail groove is formed in the base, a protruding block is fixedly connected to the bottom of the sliding block, and the protruding block is located in the dovetail groove. Therefore, the sliding block slides on the base through the sliding of the convex block in the dovetail groove. Because the lug is arranged in the dovetail groove, the lug can be clamped by the dovetail groove, so that the drive plate can be prevented from being separated from the base through the connecting rod to drive the sliding block in the vertical moving process of the drive plate.

Furthermore, the surfaces of the two tightening rods which are far away from each other are provided with elastic components. Therefore, when the tightening rods are far away from each other to tighten the plastic bag, the elastic assembly can buffer the left side part and the right side part of the plastic bag, so that when the tightening rods are far away from each other, the elastic assembly can be squeezed by the plastic bag to shrink, and the plastic bag is prevented from being pulled to be damaged due to the fact that the tightening force of the tightening rods is large.

Furthermore, the elastic assembly comprises a pressure spring and an arc-shaped block, the pressure spring is connected between the arc-shaped block and the tightening rod, and a telescopic cylinder is sleeved on the outer side of the pressure spring. From this, when two tightening rods kept away from each other, the arc piece receives the restriction of plastic bag and extrudees the pressure spring to make the arc piece and the distance between the tightening rod reduce, and then make the distance between two arc pieces reduce, avoided the distance between two arc pieces great and tear the plastic bag, played the effect of buffering the plastic bag.

Furthermore, the elastic component comprises an elastic block which is arc-shaped and is fixedly connected on the tightening rod. From this, when two tighten the pole and keep away from each other, the elastic block is extruded by the lateral part of plastic bag and tighten the pole to make the elastic block shrink, the distance between the lateral surface of two elastic blocks reduces, has avoided the distance between two elastic block lateral surfaces great and has torn the plastic bag, has played the effect of buffering the plastic bag. Through this scheme for elastic component's structure is simpler.

Further, the print head is fixedly connected to the drive plate. Therefore, the driving plate moves downwards and simultaneously drives the printing head to move, so that the connection relation among the driving plate, the printing head and the air cylinder is simpler.

Further, the tightening rod is telescopic. From this, through the flexible of tightening rod to can adjust the length of tightening rod, consequently be adapted to the plastic bag of different length.

Furthermore, the tightening rod comprises a plurality of sleeves which are sleeved with each other and are in sliding fit, and magnets which attract each other are arranged between the adjacent sleeves. From this, establish and sliding fit has realized the flexible of tightening rod through a plurality of sleeves are each other. The magnet between the adjacent sleeves is used for attraction, so that the tightening rod can be prevented from stretching easily when being subjected to external force, and the tightening rod can be in a stable length state.

Drawings

Fig. 1 is a perspective view of a plastic bag printing and processing apparatus;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

FIG. 4 is a schematic view of a plastic bag being fitted over a tensioning rod;

FIG. 5 is a front view of the elastic members (compression spring, arc-shaped block) in embodiment 2;

fig. 6 is a front view of the elastic member (elastic block) in example 3.

Detailed Description

The following is further detailed by way of specific embodiments:

reference numerals in the drawings of the specification include: the printing device comprises a base 1, a dovetail groove 2, a sliding block 3, a tightening rod 4, a cushion block 5, a printing head 6, a driving plate 7, an air cylinder 8, a connecting rod 9, an arc-shaped block 10, a pressure spring 11 and an elastic block 12.

Example 1

Substantially as shown in figures 1 to 4 of the accompanying drawings: plastic bag printing processingequipment, including frame, base 1, be located the drive plate 7 of base 1 top, through the fix with screw print head 6 on the drive plate 7 and be used for driving print head 6 vertical movement's cylinder 8, transverse sliding connection has two sliders 3 on the base 1, and specific sliding connection mode is: the base 1 is provided with a dovetail groove 2, the bottom of the sliding block 3 is welded with a convex block, and the convex block is positioned in the dovetail groove 2. The two sliders 3 are all welded with transversely arranged tightening rods 4, and the two tightening rods 4 are parallel to each other. The air cylinder 8 is fixed on the frame through screws, the air cylinder 8 is located above the driving plate 7, the bottom of an air cylinder rod of the air cylinder 8 is fixed on the driving plate 7 through screws, the printing head 6 is located at the front end of the driving plate 7, and the projection of the driving plate 7 on the base 1 is located between the two tightening rods 4.

A drive structure for moving the two sliders 3 laterally is also included. The drive structure in this embodiment includes two links 9. The one end of two connecting rods 9 is connected on two sliders 3 through the round pin axle rotation respectively, and the top of two connecting rods 9 is connected on the rear end of drive plate 7 through the round pin axle rotation, and the tip that two connecting rods 9 are located drive plate 7 is close to each other, and the top of two connecting rods 9 rotates through the round pin axle in this embodiment and links together, and the bottom end of two connecting rods 9 is kept away from each other. A pad 5 is welded to the base 1, the pad 5 being opposite the print head 6.

The specific implementation process is as follows: before printing, the distance between the two tightening rods 4 is short, so that the two tightening rods 4 can be inserted into the plastic bag through the opening of the plastic bag, and the plastic bag is sleeved on the two tightening rods 4. During printing, the air cylinder 8 is started, the air cylinder 8 drives the driving plate 7 to move downwards, the driving plate 7 drives the printing head 6 to move downwards, and the printing head 6 and the base 1 clamp the plastic bag, so that the printing head 6 prints marks on the plastic bag. In addition, in the process of downwards moving the drive plate 7, the distance between the drive plate 7 and the base 1 is reduced, the two connecting rods 9 rotate, the included angle between the two connecting rods 9 is increased and tends to be horizontal, the two sliders 3 are far away from each other under the pushing of the connecting rods 9, the two sliders 3 drive the two tightening rods 4 to be far away from each other, so that as shown in fig. 4, the two tightening rods 4 abut against the left and right inner side walls of the plastic bag, the plastic bag is tightened under the mutual far-away effect of the two tightening rods 4, wrinkles cannot appear on the surface of the plastic bag, and therefore the situation that the plastic bag is in a wrinkled state when the printing head 6 is used for printing the plastic bag is avoided, the plastic bag is in a tightened state when the printing is carried out, and.

After the printing finishes, make cylinder 8 rebound, cylinder 8 drives drive plate 7 rebound, drive plate 7 drives print head 6 and keeps away from the plastic bag, and simultaneously, the distance grow between drive plate 7 and the slider 3, contained angle between two connecting rods 9 diminishes, connecting rod 9 drives two sliders 3 and is close to each other, slider 3 drives two and tightens pole 4 and be close to each other, two tighten pole 4 no longer tighten the plastic bag, the plastic bag that will print the mark and finish takes off from tightening pole 4 of being convenient for.

Example 2

Referring to fig. 5, the surfaces of the two tightening rods 4 away from each other are provided with elastic components, and the elastic components on the two tightening rods 4 are symmetrically arranged about a vertical center line where the cylinder 8 is located. Use left pole 4 that tightens as an example, elastic component includes pressure spring 11 and arc piece 10, and arc piece 10 is located the left side of pole 4 that tightens, and the both ends of pressure spring 11 are welded respectively between arc piece 10 and pole 4 that tightens, and the outside cover of pressure spring 11 is equipped with a telescopic cylinder to take place crooked when avoiding the compression of pressure spring 11. The telescopic cylinder in the embodiment comprises two sleeves which are sleeved with each other and are in sliding fit.

Therefore, when the printing head 6 moves downward, if the elastic components are not arranged on the two tightening rods 4, the plastic bag is not buffered by the two tightening rods 4, and the plastic bag is easily torn. And through this embodiment, when two tightening rods 4 kept away from each other, the left and right lateral parts of plastic bag can extrude arc piece 10, and arc piece 10 extrudes pressure spring 11 to make arc piece 10 and the distance between tightening rod 4 reduce, and then make the distance between the arc piece 10 on two tightening rods 4 reduce, avoided the distance between two arc pieces 10 great and tear the plastic bag bad, arc piece 10 has played the effect of certain buffering.

Example 3

Referring to fig. 6, the elastic member of this embodiment includes an elastic block 12, the elastic block 12 is in an arc shape, the elastic block 12 is a sponge, and the elastic block 12 is adhered to the tightening rod 4. Therefore, when the two tightening rods 4 are tightened, the elastic block 12 has certain elasticity and can play a certain buffering role, the plastic bag is prevented from being torn by the tightening rods 4, and the structure using the elastic block 12 is simpler than that of the embodiment 2.

Example 4

In this embodiment, the tightening rod 4 is retractable. Specifically, the tightening rod 4 comprises two sleeves, the two sleeves are sleeved with each other and are in sliding fit with each other to form, the two sleeves are respectively a first sleeve and a second sleeve, the first sleeve is sleeved on the outer side of the second sleeve, magnets which are arranged in a plurality of axial directions are bonded on the inner wall of the first sleeve and the outer wall of the second sleeve, and the magnets on the first sleeve and the magnets on the second sleeve attract each other.

From this, establish each other through first sleeve and second sleeve and sliding fit has realized the flexible of tightening rod 4, can adapt to the plastic bag of different length. Through the mutual attraction of the magnets at different positions on the first sleeve and the second sleeve, the situation that the length of the tightening rod 4 is changed due to the influence of external force in the process of stretching the plastic bag can be avoided, and the tightening rod 4 can be in a stable length state in the tightening process of the plastic bag.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several modifications and improvements can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the present invention and the practicability of the patent. The technology, shape and construction parts which are not described in the present invention are all known technology.

Claims

1. Plastic bag printing processingequipment, including base, print head and be used for driving the cylinder of print head vertical migration, its characterized in that: the base is transversely connected with two sliding blocks in a sliding manner, and the two sliding blocks are fixedly connected with tightening rods; and the driving structure is used for transversely moving the two sliders.

2. The plastic bag printing process apparatus of claim 1, wherein: the driving structure comprises a driving plate connected with a cylinder rod of the cylinder, connecting rods are connected between the two sliding blocks and the driving plate, two ends of each connecting rod are respectively connected to the driving plate and the corresponding sliding block in a rotating mode, the end portions, located on the driving plate, of the two connecting rods are close to each other, and the other ends of the two connecting rods are far away from each other.

3. The plastic bag printing process apparatus of claim 1, wherein: the base is fixedly connected with a cushion block, and the cushion block is opposite to the printing head.

4. The plastic bag printing process apparatus of claim 1, wherein: the base is provided with a dovetail groove, the bottom of the sliding block is fixedly connected with a convex block, and the convex block is positioned in the dovetail groove.

5. The plastic bag printing process apparatus of claim 2, wherein: the surfaces of the two tightening rods which are far away from each other are provided with elastic components.

6. The plastic bag printing process apparatus of claim 5, wherein: the elastic assembly comprises a pressure spring and an arc-shaped block, the pressure spring is connected between the arc-shaped block and the tightening rod, and a telescopic cylinder is sleeved on the outer side of the pressure spring.

7. The plastic bag printing process apparatus of claim 5, wherein: the elastic component comprises an elastic block, the elastic block is arc-shaped, and the elastic block is fixedly connected to the tightening rod.

8. The plastic bag printing process apparatus of claim 2, wherein: the print head is fixedly connected to the drive plate.

9. The plastic bag printing process apparatus according to any one of claims 1 to 8, wherein: the tightening rod is telescopic.

10. The plastic bag printing process apparatus of claim 9, wherein: the tightening rod comprises a plurality of sleeves which are sleeved with each other and are in sliding fit, and magnets which attract each other are arranged between the adjacent sleeves.