Material pulling mechanism of printing equipment

Abstract

The utility model discloses a material pulling mechanism of printing equipment, which is arranged at a tail end station of a rack and comprises a material receiving frame, a power source, a material pulling roller component and at least one group of compression roller components. The material receiving frame is fixed on the rack and is provided with a space for accommodating a cylindrical object; the power source is fixed at one end of the receiving frame; the material pulling roller assembly is rotatably installed on the material collecting frame and located in the space area, the material pulling roller assembly is provided with an air suction structure, the power source is in driving connection with the material pulling roller assembly, and the power source drives the material pulling roller assembly to rotate; the pressing roller assembly is installed on the material collecting frame, the pressing roller assembly and the material pulling roller assembly are arranged in parallel, and a gap between the pressing roller assembly and the material pulling roller assembly can press the passing sheet-shaped printing media. According to the utility model, the sheet-shaped printing medium can be prevented from wrinkling in the material pulling process, and the flat transition of the sheet-shaped printing medium can be kept in the process of transferring the sheet-shaped printing medium to the material receiving mechanism.

Description

TECHNICAL FIELD

[0001] The utility model relates to a printing device, concretely relates to a printing device's material pulling mechanism. BACKGROUND

[0002] There is an inkjet printer in the printing device, and the inkjet printer completes the printing of patterns or characters by spraying ink drops on the printing medium through a nozzle.

[0003] In the prior art, the tail end of the inkjet printer is provided with a material pulling mechanism, and the material pulling mechanism is used for winding the printed product to realize the automatic material collecting action. The traditional material pulling mechanism comprises a driving source and a material collecting roller connected with the driving source. The material collecting roller is driven to rotate by the driving source, and then the product is wound. Since the printing medium is a sheet medium, the material thereof is a hard sheet or a soft sheet. The hard sheet is better for winding and will not wrinkle, but the soft sheet is easy to wrinkle in the winding process, which affects the winding quality.

[0004] Therefore, it is necessary to improve the traditional material pulling mechanism of the printing device. CONTENT OF THE UTILITY MODEL

[0005] In view of the defects in the prior art, the utility model aims to provide a material pulling mechanism of a printing device, and the purpose of designing the material pulling mechanism is to reduce waste and cost.

[0006] To solve the above technical problems, the utility model realizes the following scheme: a material pulling mechanism of a printing device, which is arranged at the end position of a rack, and comprises:

[0007] A material collecting frame is fixed to the rack, and the material collecting frame has a space for accommodating a cylindrical object;

[0008] A power source is fixed to one end of the material collecting frame;

[0009] A material pulling roller assembly is rotatably installed in the space area of the material collecting frame, and the material pulling roller assembly is provided with a suction structure. The power source and the material pulling roller assembly are drivingly connected, and the power source drives the material pulling roller assembly to rotate.

[0010] At least one set of pressing roller assemblies is installed on the material collecting frame, and the pressing roller assemblies are arranged in parallel with the material pulling roller assembly, and the gap between the pressing roller assemblies and the material pulling roller assembly can press the passing sheet printing medium.

[0011] Further, the material collecting frame comprises two installation plates arranged oppositely and spaced apart by a certain distance, and a plurality of connecting rods connected between the two installation plates. One of the installation plates fixes the power source.

[0012] Furthermore, the pressure roller assembly includes a pressure roller and a spring seat assembly, wherein the pressure roller is mounted between two mounting plates via the spring seat assembly.

[0013] Furthermore, two suction pressure plates are installed at opposite axial holes on the two mounting plates, and the two suction pressure plates are rotatably connected to both ends of the pull roller assembly. The pull roller assembly includes:

[0014] There are two end plates, which are connected one-to-one to two suction pressure plates. The end plates are rotatable, and one of the end plates is connected to the power source for drive.

[0015] The suction roller is located between two end plates and is fixed to the two end plates. The suction roller is a cylindrical structure with open ends.

[0016] Furthermore, the suction structure includes:

[0017] An arc-shaped channel is provided on one side of the suction pressure plate, and the suction pressure plate is provided with two ventilation openings. The two ends of the arc-shaped channel are respectively connected to the two ventilation openings.

[0018] The ring array is distributed with through holes on the edge of the end plate, and the arc-shaped channel is opposite to some of the through holes. A plug is provided between the end plate and the suction pressure plate.

[0019] A blocking plate, used to block the opening;

[0020] An air hole is provided on the suction roller cylinder body, the air hole is connected to the cylinder cavity inside the suction roller, and the cylinder cavity is connected to the through hole.

[0021] Furthermore, the power source is an electric motor.

[0022] Compared with the prior art, the beneficial effects of this utility model are:

[0023] 1. This utility model incorporates a suction structure in the feeding mechanism. This suction structure creates negative pressure on the surface of the suction roller, allowing the printing medium to adhere to the surface of the suction roller. The feeding action is then achieved through the winding process. Due to the adsorption effect, the soft sheet material adheres to the feeding roller assembly, preventing wrinkles and maintaining a smooth transition of the sheet-like printing medium during its transfer to the take-up mechanism.

[0024] 2. The suction structure of the material pulling mechanism of this utility model is ingeniously designed and does not affect the winding quality of the subsequent process. Attached Figure Description

[0025] Figure 1 This is a complete drawing of the printing equipment of this utility model.

[0026] Figure 2 This is a structural diagram of the printing device of this utility model after the protective cover has been removed.

[0027] Figure 3 This is a structural diagram of the material pulling mechanism of this utility model.

[0028] Figure 4 This is a structural diagram showing the installation of the suction pressure plate, end plate, and blocking plate of this utility model.

[0029] Figure 5 This is a structural diagram of the suction pressure plate of this utility model.

[0030] Figure 6 This is a structural view of the end plate of this utility model.

[0031] Figure 7 This is another structural view of the end plate of this utility model.

[0032] Figure 8 This is a structural diagram of the blocking plate of this utility model.

[0033] Figure 9 This is a structural diagram of the suction roller of this utility model.

[0034] The attached diagram shows the following components: 1. Feeding unit; 2. Printhead cleaning mechanism; 3. Linear guide rail; 4. Ladder-type guide roller assembly; 5. Cooling zone; 6. Printing carriage; 7. Material pulling mechanism; 8. Table; 9. Frame; 10. First motor; 11. Double-row track; 12. Cursor telescopic rod; 71. Receiving rack; 72. Suction roller; 73. Pressure roller; 74. Suction pressure plate; 75. Power source; 76. Spring seat assembly; 77. End plate; 78. Blocking plate; 101. CCD vision positioning area; 721. Air vent; 722. Raised strip; 741. Arc-shaped channel; 742. Ventilation opening; 771. Through hole. Detailed Implementation

[0035] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0036] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0037] like Figures 1-2 As shown, the inkjet printer includes a frame 9 and a protective cover over the frame 9. The inkjet printer also includes a feed unit 1 disposed in the feed direction of the frame 9.Figure 1 As shown, the frame 9 is assembled from multiple profiles to form a frame. The frame 9 also has an upward-flowing feeding channel, on which a ladder-type guide roller assembly 4 is obliquely mounted. Two platforms 8 are arranged along the length of both sides of the upper end of the frame 9, and linear guide rails 3 are provided along the length of each platform 8. The area between the two platforms 8 is the printing work area. A printing carriage 6 slides along the two linear guide rails 3 and moves above the printing work area. A first motor 10 is installed on one side of the frame 9, and this first motor 10 is driven and connected to the printing carriage 6 via a pulley assembly. The first motor 10 drives the pulley assembly, and one node of the upper belt of the pulley assembly is fixedly connected to the printing carriage 6. The rotation of the pulley assembly drives the printing carriage 6 to move along the printing work area.

[0038] At one end of the printing work area is the printhead cleaning mechanism 2, which is used to clean the printhead. The printing work area also includes a cooling area 5 and a CCD vision positioning area 101, and at the end of the frame is the material feeding mechanism 7.

[0039] Example 1: The specific structure of this utility model is as follows:

[0040] Please refer to the appendix. Figures 3-9 The present invention relates to a material pulling mechanism for a printing device. The material pulling mechanism 7 is located at the end of the frame 9. The material pulling mechanism 7 includes a receiving rack 71, a power source 75, and a material pulling roller assembly.

[0041] A receiving rack 71 is fixed to the frame 9. The receiving rack 71 has a space for accommodating cylindrical objects. The receiving rack 71 includes two mounting plates arranged opposite each other and spaced a certain distance apart, and multiple connecting rods connecting the two mounting plates. One of the mounting plates fixes the power source 75. The mounting plates are symmetrically installed at the ends of the frame 9 and suspended in the air. Two connecting rods connect the mounting plates to fix them in place. The upper end and the outer end of the mounting plate are provided with two slots, which are arranged at a 90-degree angle.

[0042] A power source 75 is fixed to one end of the receiving rack 71; the power source 75 is a motor. The power source 75 drives the pulling roller assembly to rotate.

[0043] The material pulling roller assembly is rotatably mounted on the receiving rack 71 and located within the spatial area. The material pulling roller assembly is equipped with a suction structure. A power source 75 is driven and connected to the material pulling roller assembly, and the power source 75 drives the material pulling roller assembly to rotate. Two opposing suction pressure plates 74 are installed at opposite shaft holes on the two mounting plates. The two ends of the material pulling roller assembly are rotatably connected to the two suction pressure plates 74. The material pulling roller assembly includes:

[0044] There are two end plates 77, which are shaft-connected to two suction pressure plates 74 one-to-one. The end plates 77 are rotatable, and one of the end plates 77 is driven and connected to the power source 75.

[0045] The suction roller 72 is located between two end plates 77 and is fixed to the two end plates 77. The suction roller 72 is a cylindrical structure with openings at both ends.

[0046] The feeding mechanism also includes two sets of pressure roller assemblies, which are installed between two mounting plates. These assemblies are parallel to the feeding roller assembly and are equidistant from it. Each pressure roller assembly includes a pressure roller 73 and a spring seat assembly 76. The pressure roller 73 is mounted between the two mounting plates via the spring seat assembly 76. The two spring seat assemblies 76 are respectively installed at two slots and provide elastic pressure. The two pressure rollers 73 are used to press down on the wound product, preventing the sheet-like printing media from loosening. The gap between the pressure roller 73 and the suction roller 72 clamps the sheet-like printing media. When the suction roller 72 rotates, it pulls the sheet-like printing media. Since the two pressure rollers 73 are set at a 90-degree angle, the sheet-like printing media also turns at a 90-degree angle to the next feeding mechanism.

[0047] The air suction structure includes:

[0048] An arc-shaped channel 741 is provided on one side of the suction pressure plate 74. The suction pressure plate 74 is provided with two ventilation ports 742. The two ends of the arc-shaped channel 741 are respectively connected to the two ventilation ports 742. The two ventilation ports 742 of the two suction pressure plates 74 are connected to the negative pressure device through the air passage.

[0049] The ring array of through holes 771 distributed on the edge of the end plate 77, the arc-shaped channel 741 opposite to part of the through holes 771, and a plug is provided between the end plate 77 and the suction pressure plate 74;

[0050] Blocking plate 78, blocking the opening;

[0051] An air hole 721 is provided on the cylinder of the suction roller 72. The air hole 721 is connected to the cylinder cavity inside the suction roller 72. The cylinder cavity is connected to the through hole 771.

[0052] The function of the suction structure of this utility model is to adsorb sheet-like printing media, prevent the sheet-like printing media from wrinkling during the process of passing through the suction roller 72, and ensure a smooth transition of the sheet-like printing media.

[0053] In summary, this invention incorporates a suction structure in the feeding mechanism. This suction structure creates negative pressure on the surface of the suction roller, allowing the printing medium to adhere to its surface. The feeding action is then achieved through the winding process. Due to the adsorption effect, soft sheets adhere to the feeding roller assembly, preventing wrinkling and maintaining a smooth transition of the sheet-like printing medium during transfer to the take-up mechanism. The suction structure design of this invention's feeding mechanism is ingenious and does not affect the winding quality of subsequent processes.

[0054] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A material feeding mechanism (7) for a printing device, wherein the material feeding mechanism (7) is located at the end position of the frame (9), characterized in that, The material pulling mechanism (7) includes: A receiving rack (71) is fixed to the frame (9) and has a space for accommodating cylindrical objects; A power source (75) is fixed to one end of the receiving rack (71); The material pulling roller assembly is rotatably mounted on the receiving rack (71) and located within the space area. The material pulling roller assembly is provided with a suction structure. The power source (75) is driven to connect with the material pulling roller assembly and the power source (75) drives the material pulling roller assembly to rotate. At least one set of pressure roller assemblies is installed on the receiving rack (71). The pressure roller assemblies are arranged in parallel with the pull roller assemblies, and the gap between the pressure roller assemblies and the pull roller assemblies is sufficient to press down the passing sheet-like printing media.

2. The material feeding mechanism of a printing device according to claim 1, characterized in that, The receiving rack (71) includes two mounting plates arranged opposite each other and spaced a certain distance apart, and multiple connecting rods connecting the two mounting plates. One of the mounting plates fixes the power source (75).

3. The feeding mechanism of a printing device according to claim 2, characterized in that, The pressure roller assembly includes a pressure roller (73) and a spring seat assembly (76), wherein the pressure roller (73) is mounted between two mounting plates via the spring seat assembly (76).

4. The feeding mechanism of a printing device according to claim 2, characterized in that, Two suction pressure plates (74) are installed at opposite shaft holes on the two mounting plates. The two ends of the material pulling roller assembly are rotatably connected to the two suction pressure plates (74). The material pulling roller assembly includes: There are two end plates (77), and the two end plates (77) are connected to the two suction pressure plates (74) one-to-one. The end plates (77) are rotatable, and one of the end plates (77) is driven to be connected to the power source (75). The suction roller (72) is located between two end plates (77) and is fixed to the two end plates (77). The suction roller (72) is a cylindrical structure with openings at both ends.

5. The material feeding mechanism of a printing device according to claim 4, characterized in that, The air suction structure includes: An arc-shaped channel (741) is provided on one side of the suction pressure plate (74), and the suction pressure plate (74) is provided with two ventilation openings (742). The two ends of the arc-shaped channel (741) are respectively connected to the two ventilation openings (742); The ring array has through holes (771) distributed on the edge of the end plate (77), and the arc-shaped channel (741) is opposite to some of the through holes (771). A plug is provided between the end plate (77) and the suction pressure plate (74). Blocking plate (78) is used to block the opening; An air hole is provided on the cylinder of the suction roller (72), the air hole is connected to the cylinder cavity inside the suction roller (72), and the cylinder cavity is connected to the through hole (771).

6. The material feeding mechanism of a printing device according to claim 1, characterized in that, The power source (75) is an electric motor.

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