Double-cutter-head scraper device for silk-screen printing

Abstract

The utility model discloses a double-cutter-head scraper device for silk-screen printing. A handheld main body has two handheld states, wherein the positions of the upper end and the lower end of the handheld main body are exchanged; the handheld main body comprises two scraping plates which are oppositely arranged at an interval; scraping spaces are formed between the upper ends and the lower ends of the two scraping plates; the cutter body assembly is movably arranged between the two scraping plates up and down, and is provided with two cutter head ends which are in contact fit or clearance fit with the scraping space on the corresponding side, and a falling position which moves downwards relative to the handheld main body under the action of self gravity corresponding to the handheld state; at the falling position, the first tool bit end is shrunk into the scraping space, and the second tool bit end is exposed out of the handheld main body; and a locking piece is arranged between the handheld main body and the knife body assembly. According to the utility model, ink on the cutter head can be automatically removed, the silk-screen printing operation process cannot be interrupted, time and labor are saved, and the silk-screen printing requirement is effectively met.

Description

Technical Field

[0001] The utility model relates to the technical field of screen printing tools, in particular to a double-blade scraper device used for screen printing. Background Art

[0002] In screen printing, a scraper is used to scrape the ink in the screen frame to squeeze the ink into the mesh of the graphic part, and then transfer the ink to the workpiece to be printed. For viscous ink, after the scraper has been scraped a certain number of times, a large amount of ink will accumulate on the scraper, affecting its continued use. The ink on the scraper needs to be scraped off before the screen printing operation can be performed. Conventionally, the operator uses a shovel or other tool to scrape off the ink on the scraper. During the above operation process, the operator needs to stop the operation to scrape off the ink on the scraper, and the screen printing process is frequently interrupted, which affects the efficiency of screen printing and makes it difficult to meet the needs of screen printing. In addition, the ink scraped off with a shovel or other tool will remain on the shovel or other tool, making it difficult to transfer it into the screen frame, resulting in a waste of ink. Utility Model Content

[0003] In view of the above-mentioned technical problems, the purpose of the utility model is to propose a double-head scraper device for screen printing, which can automatically remove ink from the blade without interrupting the screen printing operation process, saving time and effort and effectively meeting the needs of screen printing.

[0004] The technical solution of the utility model is achieved as follows: a double-blade scraper device for screen printing comprises a hand-held main body and a blade body assembly;

[0005] The hand-grip body has two hand-grip states with upper and lower ends interchanged; the hand-grip body includes two scraper plates arranged relatively spaced apart; a scraper space is formed between the upper ends and the lower ends of the two scraper plates;

[0006] The blade assembly is movably arranged between the two scraper plates, and has two blade ends that are in contact or clearance with the scraper space on the corresponding side, and has a falling position that moves downward relative to the hand-held body under the action of its own gravity in response to the hand-held state; in the falling position, the first blade end is retracted into the scraper space, and the second blade end is exposed outside the hand-held body;

[0007] A locking member is provided between the hand grip body and the knife body assembly; the locking member has a locking state that restricts the movement of the knife body assembly at the falling position, and an unlocking state that allows the movement of the knife body assembly at the falling position.

[0008] Furthermore, a material-bearing structure is provided at the upper and lower ends of each of the scraper plates; the material-bearing structure has a material-bearing surface extending from the corresponding end of the scraper plate toward the relatively outer sides of the two scraper plates.

[0009] Furthermore, a wire groove is provided on the side of the scraper plate facing the scraper space; a sealing member is embedded in the wire groove; and at least the cutter head end of the cutter body assembly is sealed and matched with the sealing member.

[0010] Furthermore, the blade assembly includes a sliding member and scrapers arranged at the upper and lower ends of the sliding member; the sliding member is connected to the hand-held body for upward and downward sliding; the blade head end is formed at the end of the scraper away from the sliding member; the scraper and the sliding member are plugged into and matched with each other along the length direction of the sliding member.

[0011] Furthermore, a counterweight is provided on the sliding member.

[0012] Furthermore, the locking piece is threadedly connected to the hand-held body and has a plug-in end that moves back and forth along the length direction of the hand-held body; a positioning hole is provided on the knife body assembly corresponding to the falling position; in the locked state, the plug-in end of the locking piece is plugged into and matched with the positioning hole along the length direction of the hand-held body.

[0013] Furthermore, handles are provided at both ends of the length direction of the grip body.

[0014] Due to the application of the above technical solution, the utility model has the following advantages compared with the prior art:

[0015] 1. The utility model is used in conjunction with a knife body assembly, and two knife head ends are arranged on the knife body assembly. When the hand-held body switches between the two hand-held states, the knife body assembly moves under the action of its own gravity, so that the upper knife head end can be retracted into the scraping space, so that the ink on the knife head end can be scraped off by the scraper. And the lower knife head end is moved out to the outside of the hand-held body, so that screen printing can be performed. Through the combination of the above methods, the ink on the knife head end can be automatically removed without interrupting the screen printing process, saving time and effort, and effectively meeting the needs of screen printing.

[0016] 2. The utility model forms a sealing position with the knife head end of the knife body assembly through the use of a sealing member, so as to prevent the scraped ink from entering the interior of the two scraper plates, thereby facilitating the collection of ink and having strong practicality.

[0017] 3. The utility model uses the supporting structure in cooperation. When the blade end is retracted into the scraping space, the scraped ink is received on the supporting surface of the supporting structure on both sides, thereby realizing the centralized collection of ink and effectively preventing the ink from flowing on the outer surface of the hand-held body. When the upper and lower positions of the hand-held body are switched, the centralized collected ink can fall into the screen frame under the action of its own gravity, so as to reuse the ink, effectively avoiding the waste of ink, and having strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The technical solution of the utility model is further described below in conjunction with the accompanying drawings:

[0019] Figure 1 It is a three-dimensional structural schematic diagram of the overall structure of the utility model;

[0020] Figure 2 for Figure 1 A schematic diagram of a cross-sectional view of the hand-held body along the length direction;

[0021] Figure 3 for Figure 1 A schematic structural diagram of a cross-sectional view along the width direction of the hand-held body;

[0022] Figure 4 for Figure 3 A in the enlarged view;

[0023] Figure 5 It is a schematic diagram of the three-dimensional structure of the hand-held main body of the utility model;

[0024] Figure 6 It is a three-dimensional structural schematic diagram of the knife body assembly of the utility model;

[0025] Figure 7 for Figure 6 Exploded view of;

[0026] Among them: 1. Hand-held body; 11. Scraper plate; 12. Scraper space; 13. Material receiving part; 131. Material receiving surface; 14. Wire groove; 15. Handle; 16. Limiting groove; 2. Sliding part; 21. Positioning hole; 22. Plug-in groove; 3. Scraper; 31. Plug-in protrusion; 4. Counterweight body; 5. Limiting pin; 6. Sealing part; 7. Locking part. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention 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 invention.

[0028] like Figure 1-7The double-blade scraper 3 device for screen printing described in this embodiment is shown. The double-blade scraper 3 device cooperates with the screen frame to complete the screen printing operation. The double-blade scraper 3 device includes a hand-held body 1, a blade assembly and other parts or components. Among them, the hand-held body 1 is a flat structure with a designed length. In this embodiment, the two ends of the hand-held body 1 in the width direction are defined as the upper and lower ends. When the hand holds the two ends in the length direction of the hand-held body 1, the hand-held body 1 forms a hand-held state in which the two ends in the width direction are arranged up and down. The hand-held body 1 is turned upside down so that the hand-held body 1 has two hand-held states. In the two hand-held states, the upper and lower ends of the hand-held body 1 can interchange positions. The aforementioned hand-held body 1 includes a scraper plate 11 and a lateral connecting plate. Among them, the two scraper plates 11 are arranged relatively spaced in the thickness direction of the hand-held body 1. The lateral connecting plate is arranged at the two ends of the scraper plate 11 in the length direction. And it is fixedly connected between the two scraper plates 11 to fix the two scraper plates 11. A handle 15 is formed on the lateral connecting plate, so that the hand-held body 1 can be held by hand through the handle 15. A scraping space 12 is formed between the upper ends and the lower ends of the two scraping plates 11.

[0029] The aforementioned blade assembly is movably installed up and down between the two scraper plates 11, and has two blade ends that are in contact or clearance fit with the scraper space 12 on the corresponding side. Specifically, the blade end has a matching surface facing the two scraper plates 11, and the matching surface of the blade end is in contact or clearance fit with the scraper plate 11 on the corresponding side. When the blade assembly moves up and down relative to the scraper plate 11, the blade end moves up and down in the scraper space 12, so that the scraper plate 11 can scrape off the ink attached to the two matching surfaces of the blade end. Among them, the blade assembly has a falling position corresponding to the hand-held state, which moves downward relative to the hand-held body 1 under the action of its own gravity. By switching the hand-held body 1 between the two aforementioned hand-held states, the blade assembly has two falling positions. In the falling position, the first blade end is retracted into the scraper space 12, and the second blade end is exposed from the hand-held body 1. Through the above structural design, the ink on the end of the blade that is retracted into the scraper space 12 is scraped off, and at the same time, the end of the blade that is exposed from the hand-held body 1 can be used for screen printing.

[0030] The above-mentioned blade assembly includes a sliding member 2 and a scraper 3 installed at the upper and lower ends of the sliding member 2. The sliding member 2 is arranged between two scraper plates 11, and the sliding member 2 is connected to the hand-held main body 1 in an up-and-down sliding manner. The blade head end is formed at the end of the scraper 3 away from the sliding member 2. Plug-in grooves 22 are processed at the upper and lower ends of the sliding member 2. The plug-in groove 22 extends along the length direction of the sliding member 2. A plug-in protrusion 31 is processed on the scraper 3 corresponding to the plug-in groove 22. By inserting the plug-in protrusion 31 into the plug-in groove 22, the scraper 3 and the sliding member 2 are plugged and matched along the length direction of the sliding member 2, so as to facilitate the disassembly and replacement of the scraper 3. The scraper 3 is made of rubber. The above-mentioned plug-in groove 22 can be a C-shaped groove or a groove structure that can limit the movement of the scraper 3 in directions other than the length direction of the sliding member 2.

[0031] In this embodiment, in order to enable the blade assembly to move smoothly on the hand-held body 1, a counterweight 4 is installed on the sliding member 2. The counterweight 4 can increase the weight of the sliding member 2 so that the sliding member 2 can move smoothly onto the hand-held body 1 under its own weight.

[0032] Among them, a locking piece 7 is installed between the hand-held main body 1 and the knife body assembly. The locking piece 7 has a locking state that limits the movement of the knife body assembly in the falling position, and an unlocking state that allows the movement of the knife body assembly in the falling position. In this embodiment, the locking piece 7 is installed corresponding to the two aforementioned falling positions. The locking piece 7 is a screw structure. The locking piece 7 is threadedly connected to the hand-held main body 1, and has a plug-in end that moves back and forth along the length direction of the hand-held main body 1. Positioning holes 21 are processed on the sliding block of the knife body assembly corresponding to the two falling positions. When the knife body assembly moves to one of the falling positions, in the aforementioned locking state, the plug-in end of the locking piece 7 is plugged into and matched with the positioning hole 21 along the length direction of the hand-held main body 1 to form a locking state, so that the sliding piece 2 can be locked in the falling position to limit the sliding piece 2 from moving up and down. Correspondingly, the other locking piece 7 is in an unlocked state.

[0033] Among them, a limiting groove 16 is processed on the lateral connecting plate of the hand-held body 1. The two limiting grooves 16 are arranged opposite to each other up and down, and extend in the up and down direction. The end where the two limiting grooves 16 are close to each other forms a limiting end. The limiting pin 5 is threadedly connected to the corresponding limiting groove 16 on the aforementioned knife body assembly. The limiting pin 5 is arranged in the limiting groove 16 to slide up and down so as to play a guiding role. In the aforementioned falling position, one of the limiting pins 5 forms a limiting fit with the limiting end of the limiting groove 16, and the other limiting pin 5 is away from the limiting end of the limiting groove 16. Through the above-mentioned structural design, the knife body assembly can be accurately limited in the falling position, so that the locking member 7 can be accurately connected to the positioning hole 21.

[0034] In this embodiment, a material-bearing structure is arranged at the upper and lower ends of each scraper plate 11. The material-bearing structure extends along the length direction of the scraper plate 11. The material-bearing structure has a material-bearing surface 131. The first end of the material-bearing surface 131 is connected to the corresponding end of the scraper plate 11, and the second end extends toward the relative outer sides of the two scraper plates 11. The material-bearing surface 131 receives the ink scraped off by the blade end, and blocks the ink from moving toward the outer side of the scraper space 12. In this embodiment, in the specific design, the material-bearing surface 131 is an arc-shaped concave surface or an inclined surface, and the two material-bearing surfaces 131 at the same end of the two scraper plates 11 are arranged facing each other.

[0035] A wire groove 14 is processed on the side of each of the aforementioned scraper plates 11 facing the scraper space 12. The wire groove 14 is a recessed structure, which extends along the length direction of the scraper plate 11. A seal 6 is embedded in the wire groove 14. The seal 6 is preferably an elastic rubber seal 6. When the knife body assembly moves up and down, at least the blade end of the knife body assembly is sealed with the seal 6 to prevent the ink received by the receiving surface 131 from entering the interior of the two scraper plates 11, which is convenient for collecting the ink. In this embodiment, in specific use, when the blade end extends out of the scraper space 12, the sliding member 2 is sealed with the seal 6. When the blade is retracted into the scraper space 12, the scraper 3 is sealed with the seal 6. It should be noted that through reasonable structural design, the scraper 3 can also be in full contact with the seal 6 when extending and retracting into the scraper space 12.

[0036] During specific use, the two handles 15 on the hand-held body 1 are held by hand to perform screen printing operations in this hand-held state. When it is necessary to scrape off the ink attached to the scraper 3, the hand-held body 1 is flipped up and down to switch the hand-held body 1 to another hand-held state. The blade assembly moves downward relative to the hand-held body 1 under the action of its own gravity, so that the upper blade end (i.e., the blade end of the scraper 3 with ink attached) can be retracted into the scraping material space 12 to scrape off the ink on the blade end through the scraper. And the lower blade end (i.e., the blade end of the scraper 3 without ink attached) is moved out to the outside of the hand-held body 1 to continue the screen printing operation. The combination of the above methods can automatically remove the ink on the blade end without interrupting the screen printing operation process, saving time and effort, and effectively meeting the needs of screen printing. In the above manner, when the blade end of the scraper 3 is retracted into the scraping space 12, the scraped ink is received on the receiving surface 131 of the receiving structure on both sides, thereby realizing the centralized collection of the ink, and effectively preventing the ink from flowing on the outer surface of the hand-held body 1. When the upper and lower positions of the hand-held body 1 are switched again, the centralized collected ink can fall into the screen frame under the action of its own gravity, so as to reuse the ink, effectively avoiding the waste of ink, and having strong practicality.

[0037] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the present invention specification, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A double-blade scraper device for screen printing, comprising a hand-held body and a blade assembly; characterized in that: The hand-grip body has two hand-grip states with upper and lower ends interchanged; the hand-grip body includes two scraper plates arranged relatively spaced apart; a scraper space is formed between the upper ends and the lower ends of the two scraper plates; The blade assembly is movably arranged between the two scraper plates, and has two blade ends that are in contact or clearance with the scraper space on the corresponding side, and has a falling position that moves downward relative to the hand-held body under the action of its own gravity in response to the hand-held state; in the falling position, the first blade end is retracted into the scraper space, and the second blade end is exposed outside the hand-held body; A locking member is provided between the hand grip body and the knife body assembly; the locking member has a locking state that restricts the movement of the knife body assembly at the falling position, and an unlocking state that allows the movement of the knife body assembly at the falling position.

2. A double-blade scraper device for screen printing according to claim 1, characterized in that: The upper and lower ends of each scraper plate are provided with a material-bearing structure; the material-bearing structure has a material-bearing surface extending from the corresponding end of the scraper plate toward the relatively outer sides of the two scraper plates.

3. A double-blade scraper device for screen printing according to claim 1, characterized in that: A wire groove is arranged on the side of the scraper plate facing the scraper space; a sealing member is embedded in the wire groove; and at least the cutter head end of the cutter body assembly is in sealing cooperation with the sealing member.

4. A double-blade scraper device for screen printing according to claim 1, characterized in that: The knife body assembly includes a sliding member and scrapers arranged at the upper and lower ends of the sliding member; the sliding member is connected to the hand-held body for upward and downward sliding; the knife head end is formed at the end of the scraper away from the sliding member; the scraper and the sliding member are plugged together along the length direction of the sliding member.

5. A double-blade scraper device for screen printing according to claim 4, characterized in that: A counterweight body is arranged on the sliding member.

6. A double-blade scraper device for screen printing according to claim 1, characterized in that: The locking piece is threadedly connected to the hand-held body and has a plug-in end that moves back and forth along the length direction of the hand-held body; a positioning hole is provided on the knife body assembly corresponding to the falling position; in the locked state, the plug-in end of the locking piece is plugged into and matched with the positioning hole along the length direction of the hand-held body.

7. A double-blade scraper device for screen printing according to claim 1, characterized in that: Handles are arranged at both ends of the hand-held body in the length direction.

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