Airflow scraper device for drawing paper production
By designing an adjustable airflow scraper device, the problem of inflexible adjustment of the blade diameter length is solved, and efficient and flexible adjustment of tracing paper production is achieved to ensure product quality and production efficiency.
Patent Information
- Application Number
- CN202421644822.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-12
- Publication Date
- 2025-08-15
- Estimated Expiration
- 2034-07-12
AI Technical Summary
The existing airflow scraper device for tracing paper production can only adjust the diameter length of the scraper of three specific specifications, which lacks flexibility and is difficult to meet the needs of different specifications.
An airflow scraper device including an air cylinder, a control mechanism and a scraper plate is designed. The motor-driven control mechanism makes the scraper plate expand simultaneously on the outer surface of the air cylinder, realizing arbitrary control of the blade length, combining the limit groove structure of the guide block and the side baffle to ensure flexible adjustment of the blade edge within the maximum range.
It realizes adaptive adjustments to the precise coating thickness and paper type of tracing paper of different specifications, reduces downtime and equipment adjustment requirements, improves production efficiency, reduces costs, and ensures consistency in product quality.
Smart Images

Figure CN223221828U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of tracing paper production equipment, in particular to an air flow scraper device for tracing paper production. Background Art
[0002] Tracing paper, used for drawing engineering drawings, mechanical drawings, topographic maps, etc., has a dense and strong texture, is semi-transparent, matte, has low dustiness, and has excellent resistance to scratching, abrasion, and folding. It is suitable for writing with pencils, ink pens, etc. The airflow scraper device is very important in the production of tracing paper. It can help evenly apply and dry the coating on the paper, ensuring the quality and consistency of the final product.
[0003] Patent No. CN219930577U discloses an airflow scraper device for producing tracing paper, comprising a support plate, a support fixedly connected to the middle of the top of the support plate, an air pump fixedly connected to the top of the support, a bellows connected to one end of the air pump via a pipe, and a plurality of partitions fixedly connected to the interior of the bellows. In the utility model, first rotating the adjustment handle can move the bellows and separate the air inlet from the air pump pipe. Further turning the rotating handle can rotate the bellows to the air inlet corresponding to the matching scraper mouth and align it with the air pump pipe. Further rotating the adjustment handle in the opposite direction can be done. In addition, the filter screen and the filter cotton cooperate with each other to reduce the dust in the air from entering the air pump, further ensuring the quality of the drawing paper, thereby achieving the purpose of adjusting the width of the air knife and improving the quality of the drawing paper to a certain extent.
[0004] When the above device adjusts the diameter length of the scraper mouth, it can only adjust the diameter length of three specific specifications, but does not have the ability to accurately and flexibly regulate the diameter length, making it difficult for the equipment to meet the needs of different specifications. Utility Model Content
[0005] The purpose of the present utility model is to provide an air flow scraper device for tracing paper production, so as to solve the technical problem proposed in the above background technology that in the process of adjusting the diameter length of the scraper mouth, only three specific specifications of diameter length can be adjusted, and the diameter length cannot be accurately and flexibly adjusted.
[0006] To achieve the above purpose, the present invention provides the following technical solutions:
[0007] An airflow scraper device for tracing paper production includes an air cylinder, an airflow scraper mechanism for gluing tracing paper in production is slidably mounted on the outer surface of the air cylinder, a mounting plate is fixedly mounted on the upper surface of the air cylinder, a fan is fixedly mounted on one end of the mounting plate, a guide tube is fixedly mounted on the air outlet of the fan, and the guide tube extends from the upper surface of the air cylinder to the interior of the air cylinder;
[0008] Among them, a fastening plate is fixedly installed at one end of the mounting plate, two groups of connecting columns are fixedly installed on the lower surface of the fastening plate, a guide rod is fixedly installed between the two groups of connecting columns, and a regulating mechanism is slidably installed on the outer surface of the guide rod, and the movable end of the regulating mechanism is fixedly installed on the upper surface of the airflow scraper mechanism.
[0009] As a further solution of the present invention, the regulating mechanism includes a motor, which is fixedly mounted on the upper surface of the fastening plate, an I-shaped plate is fixedly mounted on one end of the output shaft of the motor, connecting arms are rotatably mounted on both sides of the I-shaped plate, and a guide block is rotatably mounted on the other end of the connecting arm, the guide block is slidably mounted on the outer surface of the guide rod, and the guide block is fixedly mounted on the upper surface of the upper surface of the airflow scraper mechanism.
[0010] As a further solution of the present invention, the two groups of guide blocks are pulled by the torsion of the I-shaped plate through the connecting arm, so that the two groups of guide blocks can slide synchronously on the outer surface of the guide rod in opposite directions.
[0011] As a preferred solution of the present invention, the airflow scraper mechanism includes two groups of scraper plates, which are slidably mounted on both sides of the air cylinder and fixedly mounted on the lower surfaces of the two groups of guide blocks.
[0012] As a further solution of the present invention, the scraper opening on one side of the scraper plate and the scraper opening on one side of the air cylinder are equal in size and are aligned.
[0013] As a further preferred embodiment of the present invention, two sets of side baffles are rotatably installed in the air cylinder, and the other ends of the side baffles slide in the limiting grooves, which are provided on the upper and lower surfaces of the scraper plate.
[0014] As a further solution of the present invention, when the two groups of scraper plates are synchronously pulled outward by the two groups of guide blocks, the side baffles can be pulled together through the limiting grooves to seal the openings and grooves produced after the scraper plates slide.
[0015] Compared with the prior art, the beneficial effect of the air flow scraper device for tracing paper production in the utility model is that when the scraper mouth length of the air cylinder is adjusted, the two sets of air flow scraper mechanisms can be pulled to expand and slide synchronously outward on the outer surface of the air cylinder by starting the regulating mechanism, thereby extending the scraper mouth of the air cylinder, and the extended scraper mouth length will not be limited to a specific value, so that it can be arbitrarily adjusted in length within the maximum range of expansion. The ability to arbitrarily adjust the scraper mouth length means that the production line can flexibly respond to tracing papers of different specifications and requirements. Whether it is the coating thickness requirement or the paper type, it can be precisely adjusted to ensure the quality and consistency of each batch of products, and the scraper mouth length can be adjusted at any time without stopping for adjustment, thereby reducing downtime and the need to adjust equipment during the production process, improving production efficiency, and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only examples of the embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0017] Figure 1 This is a schematic structural diagram of an embodiment of the present utility model;
[0018] Figure 2 This is a structural diagram of a fan in an embodiment of the present utility model;
[0019] Figure 3 This is a schematic structural diagram of the control mechanism in the embodiment of the present utility model;
[0020] Figure 4 This is a schematic structural diagram of the connecting arm in an embodiment of the present utility model;
[0021] Figure 5 It is a structural schematic diagram of the airflow scraper mechanism in an embodiment of the present utility model.
[0022] Figure numerals: 1. air cylinder; 2. air flow scraper mechanism; 201. scraper plate; 202. side baffle; 203. limit groove; 3. fastening plate; 301. connecting column; 302. guide rod; 303. mounting plate; 4. regulating mechanism; 401. motor; 402. I-shaped plate; 403. connecting arm; 404. guide block; 5. fan; 501. guide tube. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical solutions and advantages of the present invention more clear, the following is a further detailed description of the present invention in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
[0024] In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limiting the embodiments of the present invention.
[0025] In the description of the embodiments of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be the internal connection of two components; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present invention can be understood according to specific circumstances.
[0026] like Figure 1-Figure 2 As shown, an embodiment of the utility model is an air flow scraper device for tracing paper production, including an air cylinder 1, an air flow scraper mechanism 2 for gluing tracing paper production is slidably installed on the outer surface of the air cylinder 1, a mounting plate 303 is fixedly installed on the upper surface of the air cylinder 1, a fan 5 is fixedly installed at one end of the mounting plate 303, a guide tube 501 is fixedly installed at the air outlet of the fan 5, and the guide tube 501 passes through the upper surface of the air cylinder 1 to the interior of the air cylinder 1.
[0027] Among them, a fastening plate 3 is fixedly installed at one end of the mounting plate 303, two groups of connecting columns 301 are fixedly installed on the lower surface of the fastening plate 3, a guide rod 302 is fixedly installed between the two groups of connecting columns 301, and a regulating mechanism 4 is slidably installed on the outer surface of the guide rod 302, and the movable end of the regulating mechanism 4 is fixedly installed on the upper surface of the airflow scraper mechanism 2.
[0028] When adjusting the scraper mouth length of the air cylinder 1, the two sets of airflow scraper mechanisms 2 can be pulled to expand and slide synchronously outward on the outer surface of the air cylinder 1 by starting the regulating mechanism 4, thereby extending the scraper mouth of the air cylinder 1, and the extended scraper mouth length will not be limited to a specific value, so that it can be arbitrarily adjusted in length within the maximum range of expansion. The ability to arbitrarily adjust the scraper mouth length means that the production line can flexibly respond to tracing papers of different specifications and requirements. Whether it is the coating thickness requirement or the type of paper, it can be precisely adjusted to ensure the quality and consistency of each batch of products, and the scraper mouth length can be adjusted at any time without stopping for adjustment, thereby reducing downtime and the need to adjust equipment during the production process, improving production efficiency, and reducing production costs.
[0029] like Figure 3-Figure 5 As shown, the regulating mechanism 4 includes a motor 401, which is fixedly mounted on the upper surface of the fastening plate 3, and an I-shaped plate 402 is fixedly mounted on one end of the output shaft of the motor 401, and connecting arms 403 are rotatably mounted on both sides of the I-shaped plate 402, and a guide block 404 is rotatably mounted on the other end of the connecting arm 403, and the guide block 404 is slidably mounted on the outer surface of the guide rod 302, and the guide block 404 is fixedly mounted on the upper surface of the upper surface of the airflow scraper mechanism 2.
[0030] The two groups of guide blocks 404 are pulled by the twisting of the I-shaped plate 402 through the connecting arm 403, so that the two groups of guide blocks 404 can slide synchronously in opposite directions on the outer surface of the guide rod 302.
[0031] The airflow scraper mechanism 2 includes two groups of scraper plates 201 , which are slidably mounted on both sides of the air cylinder 1 and fixedly mounted on the lower surfaces of the two groups of guide blocks 404 .
[0032] The scraper opening on one side of the scraper plate 201 and the scraper opening on one side of the air cylinder 1 are equal in size and are aligned.
[0033] Two sets of side baffles 202 are rotatably installed in the air cylinder 1 , and the other ends of the side baffles 202 slide in the limiting grooves 203 , which are provided on the upper and lower surfaces of the scraper plate 201 .
[0034] When the two groups of scraper plates 201 are pulled outward synchronously by the two groups of guide blocks 404 , the side baffles 202 can be pulled together through the limiting grooves 203 to seal the openings and grooves formed after the scraper plates 201 slide.
[0035] When adjusting the length of the scraper mouth of the air cylinder 1 to adapt to the different lengths of the gluing rollers, the motor 401 can be started to drive the I-shaped plate 402 to rotate and pull the two sets of connecting arms 403, and the two sets of connecting arms 403 will pull the two sets of guide blocks 404 to slide outward synchronously on the outer surface of the guide rod 302 to expand, thereby enabling the two sets of guide blocks 404 to synchronously drive the scraper plate 201 on the lower surface to slide outward synchronously on the outer surface of the air cylinder 1 to achieve the purpose of expanding the diameter length, and in the process of the scraper plate 201 sliding outward on the outer surface of the air cylinder 1, the limiting grooves 203 on the upper and lower surfaces of the scraper plate 201 will pull the side baffle 202 on the air cylinder 1 rotates on one side, and the other end of the side baffle 202 slides in the limiting groove 203 to an appropriate length according to the length being pulled, and the pulled side baffle 202 seals the slot formed after the scraper plate 201 slides, so that a trapezoidal expansion slot is formed between the air cylinder 1 and the scraper plate 201, so that the length can be arbitrarily adjusted within the maximum expansion range, thereby achieving the purpose of extending the scraper mouth of the air cylinder 1, and the scraper mouth length can be automatically adjusted by the rotation of the motor 401, reducing manual intervention and error possibilities of personnel, improving the stability and safety of the production line, making operation simpler, and reducing personnel costs.
[0036] The above shows and describes the basic principles of the present invention. The above is only a preferred embodiment of the present invention and is not intended to limit the present invention. The above embodiments and descriptions in the specification are only to illustrate the principles of the present invention. Without departing from the scope of the present invention, any modifications, equivalent substitutions and improvements made within the spirit and scope of the present invention should be included in the scope of protection of the present invention.
Claims
1. An air flow scraper device for tracing paper production, characterized in that: The invention comprises an air cylinder (1), an air flow scraper mechanism (2) for gluing tracing paper production is slidably mounted on the outer surface of the air cylinder (1), a mounting plate (303) is fixedly mounted on the upper surface of the air cylinder (1), a fan (5) is fixedly mounted on one end of the mounting plate (303), a guide tube (501) is fixedly mounted on the air outlet of the fan (5), and the guide tube (501) passes through the upper surface of the air cylinder (1) to the interior of the air cylinder (1); A fastening plate (3) is fixedly mounted on one end of the mounting plate (303), two groups of connecting columns (301) are fixedly mounted on the lower surface of the fastening plate (3), a guide rod (302) is fixedly mounted between the two groups of connecting columns (301), a regulating mechanism (4) is slidably mounted on the outer surface of the guide rod (302), and a movable end of the regulating mechanism (4) is fixedly mounted on the upper surface of the airflow scraper mechanism (2).
2. The air flow scraper device for tracing paper production according to claim 1, characterized in that: The regulating mechanism (4) comprises a motor (401), wherein the motor (401) is fixedly mounted on the upper surface of the fastening plate (3), an I-shaped plate (402) is fixedly mounted on one end of the output shaft of the motor (401), connecting arms (403) are rotatably mounted on both sides of the I-shaped plate (402), and a guide block (404) is rotatably mounted on the other end of the connecting arm (403), wherein the guide block (404) is slidably mounted on the outer surface of the guide rod (302), and the guide block (404) is fixedly mounted on the upper surface of the upper surface of the airflow scraper mechanism (2).
3. The air flow scraper device for tracing paper production according to claim 2, characterized in that: The two groups of guide blocks (404) are pulled by the twisting of the I-shaped plate (402) through the connecting arm (403), so that the two groups of guide blocks (404) can slide synchronously in opposite directions on the outer surface of the guide rod (302).
4. The air flow scraper device for tracing paper production according to claim 1, characterized in that: The airflow scraper mechanism (2) comprises two groups of scraper plates (201), the two groups of scraper plates (201) being slidably mounted on both sides of the air cylinder (1) and fixedly mounted on the lower surfaces of the two groups of guide blocks (404).
5. The air flow scraper device for tracing paper production according to claim 4, characterized in that: The scraper opening on one side of the scraper plate (201) and the scraper opening on one side of the air cylinder (1) are equal in size and are aligned.
6. An air flow scraper device for producing tracing paper according to claim 4 or 5, characterized in that: Two sets of side baffles (202) are rotatably installed in the air cylinder (1), and the other ends of the side baffles (202) slide in the limiting grooves (203). The limiting grooves (203) are opened on the upper and lower surfaces of the scraper plate (201).
7. The air flow scraper device for producing tracing paper according to claim 6, characterized in that: When the two groups of scraper plates (201) are synchronously pulled outward by the two groups of guide blocks (404), the side baffles (202) can be pulled together through the limiting grooves (203) to seal the openings and grooves generated after the scraper plates (201) slide.
Citation Information
Patent Citations
Airflow scraper device for engineering drawing paper production
CN219930577U