Self-tightening type silk-screen printing screen frame

Abstract

The utility model belongs to the field of silk-screen printing screen frames, particularly relates to a self-tightening type silk-screen printing screen frame, and aims to overcome the defects that when an existing self-tightening type silk-screen printing screen frame is used, screen cloth of the existing self-tightening type silk-screen printing screen frame is expanded and fixed through friction force between rectangular clamping rubber strips and aluminum alloy edge strips of the existing self-tightening type silk-screen printing screen frame, and the screen cloth of the existing self-tightening type silk-screen printing screen frame is prone to loosening. According to the scheme, the device comprises a screen frame, a fixing mechanism and a driving mechanism; a mounting groove is formed in the top of the screen frame, four fixing mechanisms are arranged on the screen frame, the four fixing mechanisms all correspond to the mounting groove, four driving mechanisms are arranged on the screen frame, and the four driving mechanisms are connected with the four fixing mechanisms respectively. Through cooperation of all the components, the screen cloth can be rapidly disassembled and assembled, the problem that in the prior art, the screen cloth is prone to loosening is solved, the structure is simple, operation is easy, and practicability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing frames, in particular to a self-tightening screen printing frame. Background Art

[0002] Screen printing refers to the use of a silk screen as a base and a photosensitive platemaking method to make a screen printing plate with images. Screen printing consists of five major elements: the screen printing plate, scraper, ink, printing table, and substrate. Printing is based on the basic principle that the mesh holes of the screen printing plate with images are permeable to ink, while the mesh holes of the non-image parts are not permeable to ink. When printing, ink is poured into one end of the screen printing plate, and a scraper is used to apply a certain amount of pressure to the inked part of the screen printing plate. At the same time, it moves at a constant speed towards the other end of the screen printing plate. During the movement, the ink is squeezed through the mesh holes of the image part by the scraper and onto the substrate.

[0003] In the prior art, wooden screens are mostly used, and the printed mesh is fixed with nails around the edges. In response to the above problem, application number: 202022399465.2 discloses a fast self-tightening screen printing frame, which includes a rectangular frame movably assembled by four aluminum alloy side strips. The aluminum alloy side strips have a rectangular cross-section, and their top sides are each provided with a "convex"-shaped notch along the length direction. They also include rectangular snap-fitting strips and adhesive tapes for fixing the edges of the mesh in the notches, wherein the snap-fitting strips are located at the bottom of the "convex"-shaped notch, and the adhesive tapes are located above the snap-fitting strips.

[0004] However, after reading the above patent documents, the following problems are found: when in use, the mesh is tightened and fixed by the friction between the rectangular snap-fitting strips and the aluminum alloy side strips, which easily causes the mesh to loosen, and this disadvantage needs to be improved. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings of the prior art and to propose a self-tightening screen printing frame.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A self-tightening screen printing frame, comprising a screen frame, a fixing mechanism and a driving mechanism;

[0008] The top of the screen frame is provided with a mounting slot, the screen frame is provided with four fixing mechanisms, the four fixing mechanisms are corresponding to the mounting slots, the screen frame is provided with four driving mechanisms, the four driving mechanisms are respectively connected to the four fixing mechanisms;

[0009] The fixing mechanism includes a movable plate, a fixed plate and a threaded rod. The mesh frame is provided with four sliding grooves. The four sliding grooves are all slidably connected to the movable plates. The four movable plates are all adapted to the mounting grooves. One side of the four movable plates is rotatably connected to three threaded rods. The three threaded rods are all threadedly connected to the fixed plates. The three fixed plates are all fixedly connected to the mesh frame. Through the coordinated design of the mesh frame, the fixing mechanism and the driving mechanism, the mesh can be quickly disassembled and installed, and the existing problem of the mesh being easily loosened is solved. The structure is simple and easy to operate, which improves convenience and practicality.

[0010] Specifically, the driving mechanism includes two threaded rods, a rack, a gear ring, a round tube and a slider. The three threaded rods are all slidably sleeved with a round tube. Both ends of the three round tubes are rotatably connected to two fixed plates. The six fixed plates are all fixedly connected to the mesh frame and are used to synchronously drive the three threaded rods, so that the corresponding movable plates are subjected to stable force.

[0011] Specifically, a gear ring is fixedly provided on each of the three circular tubes, and the three gear rings are meshedly connected with a same rack, and the rack is slidably connected to the screen frame for synchronously driving the three circular tubes.

[0012] Specifically, a second threaded rod is threadedly connected to the rack, and the second threaded rod is rotatably connected to the screen frame for driving the rack.

[0013] Specifically, sliders are welded in the three round tubes, and the three sliders are slidably connected to the three threaded rods respectively, so as to facilitate transmission between the three round tubes and the three threaded rods respectively.

[0014] Specifically, one end of each of the four threaded rods 2 passes through the screen frame and is fixedly connected to a rotating plate to facilitate the rotation of the four threaded rods 2.

[0015] Specifically, each of the three threaded rods is provided with a sliding groove, and the three sliders slide in the three sliding grooves respectively, forming a detachable connection.

[0016] Specifically, a plurality of positioning pins are provided on one side of the four movable plates, and four pads are fixedly installed on the mesh frame. The four pads correspond to the four movable plates respectively. The mesh is clamped and fixed through the interaction between the movable plates and the pads. The interaction between the positioning pins and the pads can prevent the mesh from moving. At the same time, the mesh frame can be protected by the pads.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] (1) The utility model provides a self-tightening screen printing frame, which can realize the rapid disassembly and installation of the mesh through the coordinated design of the mesh frame, the fixing mechanism and the driving mechanism, and also solves the existing problem that the mesh is easily loosened. In addition, the structure is simple and easy to operate, thereby improving convenience and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following is a brief introduction to the drawings required for the embodiments or the description of the prior art. Obviously, the drawings described below are merely illustrative. The structures, proportions, sizes, etc. depicted in this specification are only used to match the contents disclosed in the specification for the understanding and reading of those familiar with this technology. They are not intended to limit the conditions under which the present invention can be implemented. Therefore, they have no technical significance. Any structural modifications, changes in proportional relationships, or adjustments in sizes are not intended to limit the implementation of the present invention.

[0020] Figure 1 This is a schematic diagram of the three-dimensional structure of a self-tightening screen printing frame proposed by the present invention;

[0021] Figure 2 This is a schematic diagram of the main structure of a self-tightening screen printing frame proposed by the present invention;

[0022] Figure 3 for Figure 2 Schematic diagram of the enlarged structure at point A in the middle

[0023] Figure 4 This is a side structural anatomical diagram of a self-tightening screen printing frame proposed in the present invention;

[0024] Figure 5 for Figure 4 Schematic diagram of the enlarged structure at B in the middle;

[0025] Figure 6 Schematic diagram of the structure of threaded rod 1.

[0026] In the figure: 1. Screen frame; 2. Mounting slot; 3. Moving plate; 4. Fixed plate 1; 5. Threaded rod 1; 6. Fixed plate 2; 7. Round tube; 8. Gear ring; 9. Rack; 10. Threaded rod 2; 11. Pad; 12. Positioning pin; 13. Slider; 14. Rotating plate. DETAILED DESCRIPTION

[0027] The following describes the implementation of the present invention through specific embodiments. Those skilled in the art can readily understand the other advantages and benefits of the present invention from the contents disclosed in this specification. Obviously, the embodiments described are only a portion of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0028] Reference Figure 1-6 , a self-tightening screen printing frame, comprising a screen frame 1, a fixing mechanism and a driving mechanism;

[0029] The top of the screen frame 1 is provided with a mounting slot 2, and the screen frame 1 is provided with four fixing mechanisms, each of which corresponds to the mounting slot 2. The screen frame 1 is provided with four driving mechanisms, which are respectively connected to the four fixing mechanisms.

[0030] The fixing mechanism includes a movable plate 3, a fixed plate 4 and a threaded rod 5. Four sliding grooves are opened on the screen frame 1. The movable plates 3 are slidably connected in the four sliding grooves. The four movable plates 3 are all adapted to the mounting grooves 2. Three threaded rods 5 are rotatably connected to one side of the four movable plates 3. The three threaded rods 5 are threadedly connected to the fixed plates 4. The three fixed plates 4 are all fixedly connected to the screen frame 1. Through the coordinated design of the screen frame 1, the fixing mechanism and the driving mechanism, the mesh can be quickly disassembled and installed, and the existing problem that the mesh is easily loosened is solved. In addition, the structure is simple and easy to operate, which improves convenience and practicality.

[0031] In this embodiment, the driving mechanism includes a threaded rod 10, a rack 9, a gear ring 8, a round tube 7 and a slider 13. The three threaded rods 5 are all slidably sleeved with a round tube 7. Both ends of the three round tubes 7 are rotatably connected to a fixed plate 6. The six fixed plates 6 are all fixedly connected to the screen frame 1 and are used to synchronously drive the three threaded rods 5, so that the corresponding movable plates 3 are subjected to stable force.

[0032] In this embodiment, a gear ring 8 is fixedly mounted on each of the three circular tubes 7 , and a same rack 9 is meshedly connected to the three gear rings 8 . The rack 9 is slidably connected to the screen frame 1 for synchronously driving the three circular tubes 7 .

[0033] In this embodiment, a threaded rod 2 10 is threadedly connected to the rack 9 , and the threaded rod 2 10 is rotationally connected to the screen frame 1 for driving the rack 9 .

[0034] In this embodiment, sliders 13 are welded inside the three round tubes 7, and the three sliders 13 are slidably connected to the three threaded rods 5 respectively, so as to facilitate transmission between the three round tubes 7 and the three threaded rods 5 respectively.

[0035] In this embodiment, one end of each of the four threaded rods 2 10 passes through the screen frame 1 and is fixedly connected to a rotating plate 14 to facilitate the rotation of the four threaded rods 2 10 .

[0036] In this embodiment, the three threaded rods 5 are each provided with a sliding groove 1, and the three sliders 13 slide in the three sliding grooves 1 respectively, forming a detachable connection.

[0037] In this embodiment, a plurality of positioning pins 12 are provided on one side of the four movable plates 3, and four pads 11 are fixedly installed on the screen frame 1. The four pads 11 correspond to the four movable plates 3 respectively. The mesh is clamped and fixed through the interaction between the movable plates 3 and the pads 11. The interaction between the positioning pins 12 and the pads 11 can prevent the mesh from moving. At the same time, the pads 11 can protect the screen frame 1.

[0038] Working principle: when in use, first install one side of the mesh into the installation slot 2, and then rotate the corresponding rotating plate 14, and at the same time, the rotating plate 14 drives the corresponding threaded rod 2 10 to rotate, and at the same time, the threaded rod 2 10 and the rack 9 are threadedly driven, so that the rack 9 slides on the mesh frame 1, and at the same time, the rack 9 and the corresponding three gear rings 8 are driven, so that the three gear rings 8 respectively drive the three round tubes 7 to rotate synchronously, and at the same time, the three round tubes 7 respectively drive the three threaded rods 15 to rotate through the action of the three sliders 13, and at the same time, the three threaded rods 15 are respectively threadedly driven with the three fixed plates 14, so that one end of the three threaded rods 15 extends to the right synchronously, and at the same time, the three threaded rods 15 push the same movable plate 3 to slide to the right on the mesh frame 1, and make the positioning pins 12 on the movable plate 3 abut against the corresponding pad 11, so that the movable plate 3 and the pad 11 clamp and fix the mesh, and at the same time, the action of the positioning pins 12 can achieve the effect of preventing the mesh from moving;

[0039] Afterwards, fix the four sides of the mesh in sequence as above, so as to achieve quick installation of the mesh;

[0040] On the contrary, the mesh can be quickly disassembled.

[0041] The technical progress achieved by the present invention over the prior art is that the mesh can be quickly disassembled and installed through the cooperation of various components, and the problem of the prior art that the mesh is easily loosened is solved. In addition, the structure is simple and easy to operate, and the practicality is higher.

Claims

1. A self-tightening screen printing frame, characterized in that: It comprises a screen frame (1), a fixing mechanism and a driving mechanism; The top of the screen frame (1) is provided with a mounting groove (2), the screen frame (1) is provided with four fixing mechanisms, the four fixing mechanisms all correspond to the mounting grooves (2), the screen frame (1) is provided with four driving mechanisms, the four driving mechanisms are respectively connected to the four fixing mechanisms; The fixing mechanism comprises a movable plate (3), a fixed plate (4) and a threaded rod (5); four sliding grooves (1) are provided on the screen frame (1); the four sliding grooves (1) are all slidably connected with the movable plates (3); the four movable plates (3) are all adapted to the mounting grooves (2); one side of the four movable plates (3) is rotatably connected with three threaded rods (5); the three threaded rods (5) are all threadedly connected with the fixed plate (4); the three fixed plates (4) are all fixedly connected to the screen frame (1).

2. A self-tightening screen printing frame according to claim 1, characterized in that: The driving mechanism comprises a threaded rod (10), a rack (9), a gear ring (8), a round tube (7) and a slider (13); the three threaded rods (5) are all slidably sleeved with a round tube (7); both ends of the three round tubes (7) are rotatably connected to a fixed plate (6); and the six fixed plates (6) are all fixedly connected to the screen frame (1).

3. The self-tightening screen printing frame according to claim 2, characterized in that: A gear ring (8) is fixedly sleeved on each of the three circular tubes (7), and the three gear rings (8) are meshedly connected with a same rack (9), and the rack (9) is slidably connected to the screen frame (1).

4. The self-tightening screen printing frame according to claim 3, characterized in that: The rack (9) is threadedly connected to a second threaded rod (10), and the second threaded rod (10) is rotationally connected to the screen frame (1).

5. The self-tightening screen printing frame according to claim 2, characterized in that: Slide blocks (13) are welded inside the three circular tubes (7), and the three slide blocks (13) are respectively slidably connected to the three threaded rods (5).

6. The self-tightening screen printing frame according to claim 4, characterized in that: One end of each of the four threaded rods (10) passes through the screen frame (1) and is fixedly connected to a rotating plate (14).

7. The self-tightening screen printing frame according to claim 5, characterized in that: The three threaded rods (5) are each provided with a sliding groove (1), and the three sliders (13) slide in the three sliding grooves (1) respectively.

8. The self-tightening screen printing frame according to claim 1, characterized in that: A plurality of positioning pins (12) are provided on one side of the four movable plates (3), and four pads (11) are fixedly mounted on the screen frame (1), and the four pads (11) correspond to the four movable plates (3) respectively.

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