Positioning device for plastic printing machine

Abstract

The positioning device for the plastic printing machine comprises a base, a pressing roller and a discharging roller are horizontally arranged in the left-right direction, the two ends of the pressing roller and the two ends of the discharging roller are rotationally connected with the base, a first installation plate is horizontally arranged, the two ends of the first installation plate are fixedly connected with the base, and a first telescopic cylinder is arranged on the first installation plate. The moving plate is arranged on the base in an up-down sliding mode through the sliding assembly, and the cutting mechanism is arranged below the moving plate. According to the positioning device for the plastic printing machine, the winding mechanism is sleeved with a plastic bag, the surface of the plastic bag can be embossed through the printing mechanism, and after embossing is completed, the embossed plastic bag can be wound through the winding mechanism till the next position needing to be embossed is located below the embossing mechanism; when other types of flowers need to be pressed on the surface of the plastic bag, the telescopic rod of the first telescopic cylinder stretches out and draws back to drive the moving plate and the cutting mechanism to move downwards, and the cutting end of the cutting mechanism can cut the penetrating plastic bag in the downward moving process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of plastic bag production, especially a positioning device for plastic printing machine. BACKGROUND

[0002] Plastic bags are bags made of plastic (commonly used plastics include polypropylene, polyester, nylon, etc.), which are essential items in people's daily life and are often used to store other items. They are widely used because of their low cost, extremely light weight, large capacity, and convenience in storage. However, the existing positioning device for plastic printing machines is not convenient for cutting plastic bags during use. The plastic bags need to be printed with different patterns according to requirements during printing, and then need to be cut after replacing the printing mold, and then the plastic bags need to be printed again. The existing cutting process is mostly manually cut, which results in rough cuts on the plastic bags and takes a long time for manual cutting.

[0003] To solve the above problems, a positioning structure has been developed, such as the Chinese utility model patent with publication number CN220904394U, which discloses a positioning structure for plastic bag printing device with cutting function, which includes a machine body, a cutting mechanism is arranged on the left side of the inside of the machine body, and a tensioning positioning mechanism is slidably arranged on the right side of the inside of the machine body. The cutting mechanism includes a double-thread screw rod arranged vertically on the left side of the inside of the machine body and rotatable, and a moving plate is threadedly connected to the surface of the double-thread screw rod. The utility model provides a positioning structure for plastic bag printing device with cutting function, which moves the moving plate forward by rotating the double-thread screw rod, thereby driving the cutting blade to cut the tensioned plastic bag. After cutting, the plastic bag is reinstalled for embossing treatment. The structure is simple and practical, and it is very convenient to quickly cut the plastic bag. The cut of the tensioned plastic bag is smooth and beautiful, greatly reducing the workload of workers. However, the above structure does not fix the plastic bag during cutting, which may cause uneven cutting during cutting, requiring workers to trim again, greatly increasing the workload of workers. Therefore, a positioning device for plastic printing machine is proposed to solve the above problems. SUMMARY

[0004] The utility model solves the technical problem of overcoming the defects of the prior art and provides a positioning device for plastic printing machine.

[0005] To solve the above technical problems, the utility model provides the following technical scheme:

[0006] The utility model relates to a positioning device for plastic printing machine, including base, first mounting plate, first telescopic cylinder, moving plate, tailoring mechanism, the base is from front to back to set up winding mechanism, compression roller, printing mechanism, material feeding roller in proper order, the compression roller with material feeding roller all are along left and right direction horizontal setting and both ends all with base swing joint, first mounting plate horizontal setting and both ends are fixed with base fixed connection, first telescopic cylinder is located on first mounting plate, and its telescopic rod vertical setting and with moving plate connection fixed, moving plate is through the up and down sliding of sliding assembly Setting on the base, the tailoring mechanism is located moving plate below, and its tailoring end can cut the plastic bag that passes in the process of moving down;

[0007] The tailoring mechanism includes a cutting blade, a guide frame and a soft pad, the cutting blade is arranged at the lower end of the moving plate, the guide frame is arranged on the base, and a guide groove matched with the cutting blade is formed in the guide frame, and the soft pad is arranged at the upper end of the guide frame.

[0008] As a preferred technical scheme of the utility model, the sliding assembly includes a sliding block, the sliding block is fixed at the left and right ends of the moving plate, and a sliding groove matched with the sliding block is formed in the left and right side walls of the base.

[0009] As a preferred technical scheme of the utility model, the winding mechanism includes a driving motor and a material roller, the driving motor is installed on the side wall of the base through a mounting seat, and the output shaft of the driving motor is horizontally arranged along the left and right directions and coaxially connected with the material roller, and one end of the material roller away from the driving motor is rotationally connected with the base.

[0010] As a preferred technical scheme of the utility model, the printing mechanism includes a plurality of second telescopic cylinders, a plurality of second mounting plates, a pressing plate and a embossing seat, the embossing seat is arranged on the bottom wall of the base, the second mounting plates are fixed on the base, the second telescopic cylinders are arranged on the second mounting plates, and the telescopic rods of the second telescopic cylinders are vertically arranged and fixedly connected with the pressing plate.

[0011] Compared with the prior art, the utility model has the beneficial effects as follows:

[0012] The utility model relates to a positioning device for plastic printing machine, plastic bag is crossed from pressure roller and material feeding roller, then plastic bag is moved to the direction of winding mechanism, until plastic bag is in the taut state, plastic bag is sleeved on material roller, the second telescopic cylinder is started, the telescopic rod telescopic of second telescopic cylinder can drive the downward movement of pressing plate, until the plastic bag on the embossing seat is contacted with pressing plate, can print the flower on plastic bag, the output torque of driving motor is transmitted to material roller through shaft coupling after embossing is finished, material roller rotates and can wind plastic bag, until the next position needing embossing is above embossing seat, when the surface of plastic bag needs to be pressed other type of flower, the first telescopic cylinder is started, the telescopic rod telescopic of first telescopic cylinder can drive the downward movement of moving plate and cutting blade, moves to the contact of soft pad and moving plate, at this time, plastic bag will be clamped and fixed between soft pad and moving plate, moving plate continues to press down, and soft pad is pressed tightly, and cutting blade continues to press down into guide slot, and cutting blade can cut plastic bag. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are included to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute the limitation to the utility model. In the drawings:

[0014] Figure 1 It is the overall structure schematic diagram of the utility model;

[0015] Figure 2 It is the internal structure schematic diagram of the utility model;

[0016] Figure 3 It is Figure 2 The A area enlarged view of

[0017] In the drawing: 1, base;

[0018] 2, first mounting plate;

[0019] 3, first telescopic cylinder;

[0020] 4, moving plate;

[0021] 5, pressure roller;

[0022] 6, material feeding roller;

[0023] 71, cutting blade; 72, guide frame; 73, soft pad;

[0024] 8, sliding block;

[0025] 91, driving motor; 92, material roller;

[0026] 101, second telescopic cylinder; 102, second mounting plate; 103, pressing plate; 104, embossing seat. DETAILED DESCRIPTION

[0027] The preferred embodiments of the utility model are described below in conjunction with the drawings, and it should be understood that the preferred embodiments described herein are only used to illustrate and explain the utility model, and are not used to limit the utility model.

[0028] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model; the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance; in addition, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, and it can be the communication between two elements inside. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Figures 1-3 The utility model provides a kind of positioning device for plastic printing machine, including pedestal 1, first mounting plate 2, first telescopic cylinder 3, moving plate 4, cutting mechanism, pedestal 1 is sequentially provided with winding mechanism, compression roller 5, printing mechanism, from front to back, material roller 6, compression roller 5 and material roller 6 are all horizontally arranged along left and right direction and both ends are rotatably connected with pedestal 1, first mounting plate 2 is horizontally arranged and both ends are fixedly connected with pedestal 1, first telescopic cylinder 3 is arranged on first mounting plate 2, and its telescopic rod is vertically arranged and is fixedly connected with moving plate 4, moving plate 4 is slidably arranged on pedestal 1 by sliding assembly, cutting mechanism is arranged below moving plate 4, and its cutting end can cut the plastic bag passing through in the process of moving down.

[0030] In this embodiment, the plastic bag is passed through the pressure roller 5 and the feed roller 6, and then the plastic bag is moved towards the winding mechanism until the plastic bag is in a taut state, the plastic bag is sleeved on the winding mechanism, the surface of the plastic bag can be embossed by the printing mechanism, and after the embossing is completed, the plastic bag with the embossing can be wound by the winding mechanism until the next position to be embossed is below the embossing mechanism; when it is needed to emboss other types of patterns on the surface of the plastic bag, the first telescopic cylinder 3 (the first telescopic cylinder 3 is a hydraulic cylinder or an electric cylinder) is started, and the telescopic rod of the first telescopic cylinder 3 can drive the moving plate 4 and the cutting mechanism to move downwards, and the cutting end of the cutting mechanism can cut the passing plastic bag during the downward movement.

[0031] Specifically, the cutting mechanism comprises a cutting blade 71, a guide frame 72 and a soft pad 73, the cutting blade 71 is arranged at the lower end of the moving plate 4, the guide frame 72 is arranged on the base 1, and a guide groove matched with the cutting blade 71 is formed in the guide frame 72, and the soft pad 73 is arranged at the upper end of the guide frame 72.

[0032] The moving plate 4 drives the cutting blade 71 to move downwards, and the moving plate 4 moves to the position where the soft pad 73 contacts the moving plate 4, at this time, the plastic bag is clamped and fixed between the soft pad 73 and the moving plate 4, the moving plate 4 continues to press downwards, the soft pad 73 is compressed, and the cutting blade 71 continues to press downwards into the guide groove, so that the cutting blade 71 can cut the plastic bag.

[0033] Specifically, the sliding assembly comprises a sliding block 8, the sliding block 8 is fixed at the left and right ends of the moving plate 4, and the left and right side walls of the base 1 are provided with sliding grooves matched with the sliding block 8.

[0034] The sliding block 8 slides in the sliding groove, so that the moving plate 4 can move more stably up and down.

[0035] Specifically, the winding mechanism comprises a driving motor 91 and a material roller 92, the driving motor 91 is installed on the side wall of the base 1 through a mounting seat, the output shaft of the driving motor 91 is horizontally arranged along the left-right direction and is coaxially connected with the material roller 92, and the end of the material roller 92 away from the driving motor 91 is rotationally connected with the base 1.

[0036] The driving motor 91 is started, the output torque of the driving motor 91 is transmitted to the material roller 92 through the shaft coupling, and the material roller 92 rotates to wind the plastic bag.

[0037] Specifically, the printing mechanism comprises a plurality of second telescopic cylinders 101, a plurality of second mounting plates 102, a pressing plate 103 and an embossing seat 104, the embossing seat 104 is arranged on the bottom wall of the base 1, the second mounting plates 102 are fixed on the base 1, the second telescopic cylinders 101 are arranged on the second mounting plates 102, and the telescopic rods of the second telescopic cylinders 101 are vertically arranged and connected with the pressing plate 103.

[0038] Start the second telescopic cylinder 101 (second telescopic cylinder 101 is a cylinder or electric push rod), the telescopic rod of second telescopic cylinder 101 can drive the downward movement of the pressing plate 103, until the pressing plate 103 is in contact with the plastic bag placed on the embossing seat 104, that is, the printing can be pressed on the plastic bag.

[0039] The working principle of the utility model is:

[0040] The plastic bag is passed through the compression roller 5 and the feeding roller 6, then the plastic bag is moved towards the winding mechanism direction until the plastic bag is in a taut state, the plastic bag is sleeved on the material roller 92, the second telescopic cylinder 101 is started, the telescopic rod of the second telescopic cylinder 101 can drive the downward movement of the pressing plate 103, until the pressing plate 103 is in contact with the plastic bag placed on the embossing seat 104, that is, the printing can be pressed on the plastic bag, after the embossing is finished, the driving motor 91 is started, the output torque of the driving motor 91 is transmitted to the material roller 92 through the shaft coupling, the material roller 92 rotates and can wind the plastic bag, until the next position needing embossing is above the embossing seat 104; when the surface of the plastic bag needs to be pressed with other types of patterns, the first telescopic cylinder 3 is started, the telescopic rod of the first telescopic cylinder 3 can drive the downward movement of the moving plate 4 and the cutting blade 71, and moves to the contact between the soft pad 73 and the moving plate 4, at this time, the plastic bag is clamped and fixed between the soft pad 73 and the moving plate 4, the moving plate 4 continues to press down, the soft pad 73 is pressed tightly, the cutting blade 71 continues to press down into the guide groove, and the cutting blade 71 can cut the plastic bag.

[0041] Finally, it should be noted that: the above only for preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or equivalent replacement to part of technical features. Any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.

Claims

1. A positioning device for a plastic printing machine, characterized in that, The utility model relates to a cutting mechanism, a first mounting plate (2), a first telescopic cylinder (3), a moving plate (4), a cutting mechanism, the base (1) is provided with winding mechanism, compression roller (5), printing mechanism, material feeding roller (6) from front to back in proper order, the compression roller (5) and material feeding roller (6) all are horizontally arranged along left and right directions and both ends are rotatably connected with the base (1), the first mounting plate (2) is horizontally arranged and both ends are fixedly connected with the base (1) respectively, the first telescopic cylinder (3) is located on the first mounting plate (2), and its telescopic rod is vertically arranged and is connected with the moving plate (4) fixedly, the moving plate (4) is slidably arranged on the base (1) through the sliding assembly, the cutting mechanism is located below the moving plate (4), and the cutting end can cut the plastic bag in the process of moving down when passing through; The cutting mechanism includes a cutting blade (71), a guide frame (72) and a soft pad (73), the cutting blade (71) is arranged at the lower end of the moving plate (4), the guide frame (72) is arranged on the base (1), and a guide groove matched with the cutting blade (71) is formed in the guide frame (72), and the soft pad (73) is arranged at the upper end of the guide frame (72).

2. A positioning device for a plastic printing machine according to claim 1, characterized in that The sliding assembly includes a sliding block (8), the sliding block (8) is fixed at the left and right ends of the moving plate (4), and the left and right side walls of the base (1) are provided with sliding grooves matched with the sliding block (8).

3. A positioning device for a plastic printing machine according to claim 1, characterized in that, The winding mechanism includes a driving motor (91) and a material roller (92), the driving motor (91) is installed on the side wall of the base (1) through a mounting seat, and the output shaft of the driving motor (91) is horizontally arranged along the left and right directions and is coaxially connected with the material roller (92), and one end of the material roller (92) away from the driving motor (91) is rotatably connected with the base (1).

4. A positioning device for a plastic printing machine according to claim 1, characterized in that, The printing mechanism includes a plurality of second telescopic cylinders (101), a plurality of second mounting plates (102), a pressing plate (103) and an embossing seat (104), the embossing seat (104) is arranged on the bottom wall of the base (1), the second mounting plate (102) is fixed on the base (1), the second telescopic cylinder (101) is arranged on the second mounting plate (102), and the telescopic rod of the second telescopic cylinder (101) is vertically arranged and is connected with the pressing plate (103).

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