Drying oven for carbonless copy paper production

Abstract

The utility model relates to the technical field of carbon paper drying, in particular to a drying oven for carbonless carbon paper production, which comprises a drying oven body, a hot air pipeline and a hot-air blower, the hot-air blower is positioned on one side of the drying oven body, the output end of the hot-air blower is connected with one end of the hot air pipeline, and the other end of the hot air pipeline extends into the drying oven body; an unwinding roller and a winding roller are rotationally connected into the drying oven body, a plurality of spring rods are arranged on the left vertical face of the unwinding roller and the left vertical face of the winding roller in a fixed structure mode, and lock holes matched with the spring rods are formed in the side vertical face, close to the spring rods, of the drying oven body. Inserting plates are arranged on the outer side of the drying oven body, lock tongues with the same number as the lock holes are arranged on one sides of the inserting plates, the inserting plates are matched with the lock holes in an inserted mode through the lock tongues, and a driving device is arranged on one side of the drying oven body. And through the arrangement of the insertion plate, the lock tongue, the lock hole and the spring rod, the rotating speed difference between the unwinding roller and the winding roller is avoided, so that the carbonless copy paper is always in a tightened state, and the product quality is ensured.

Description

Technical Field:

[0001] This application relates to the technical field of carbonless copy paper drying, and particularly to an oven for carbonless copy paper production. Background Art:

[0002] Carbonless copy paper is a novel type of copy paper that does not require the transfer of dyeing substances by means of pressure, but directly forms colors on the paper using pressure-sensitive action and chemical color development principles, and is suitable for various occasions such as commercial subpoenas, shipping invoices, and corporate statements.

[0003] The utility model patent with the application number 202023157785.3 - an oven for carbonless copy paper production, includes an oven body, a first equipment room, and a second equipment room. At one end inside the oven body, there is a winding roller, and a second rotating shaft is fixedly penetrated inside the winding roller. One end of the second rotating shaft is connected to a driving component. At the other end of the oven body, there is an unwinding roller, and a third rotating shaft is slidably penetrated inside the unwinding roller. Inside the first equipment room, there is a hot air blower, and the output end of the hot air blower is connected to a heat conduction pipe, and the upper end of the heat conduction pipe extends into the oven body and is connected to its inner top wall. The inner bottom wall of the oven body is connected to a recovery pipe, and the input end of the hot air blower is communicated with one end of the recovery pipe. Hot air outlets are equidistantly arranged on one side of the hot air outlet and the recovery pipe; through the continuous circulation treatment of the hot air inside the oven body by the recovery pipe, the air flow rate inside the oven body is accelerated, and at the same time, the hot air inside is more evenly distributed, improving the drying rate and quality of the carbonless copy paper.

[0004] The technical solution adopted in this patent is an oven for carbonless copy paper production. However, in this technical solution, after the winding roller loses power and stops rotating, the unwinding roller will continue to rotate a certain distance due to inertia, resulting in the carbonless copy paper becoming loose. Subsequently, problems such as creases, wrinkles, and interlayer misalignment will occur, and there will be situations where some areas cannot be copied and the handwriting is blurred, thus causing quality defects. Utility Model Content:

[0005] To solve the above technical problems, the present utility model provides an oven for carbonless copy paper production, and the technical problem to be solved is: the rotational speed difference between the unwinding roller and the winding roller due to inertia causes the carbonless copy paper to become loose, thereby affecting subsequent storage and resulting in quality defects. To solve the above technical problems, the technical solution adopted by the present utility model is:

[0006] An oven for carbonless copy paper production, includes an oven body, a hot air pipeline, and a hot air blower. The hot air blower is located on one side of the oven body, and the output end of the hot air blower is connected to one end of the hot air pipeline, and the other end of the hot air pipeline extends into the oven body; The oven body is provided with:

[0007] An unwinding roller and a winding roller, and the unwinding roller and the winding roller are respectively arranged inside the oven body in a rotational structure manner;

[0008] Spring rods, a number of spring rods are arranged on the left vertical surface of the unwinding roller and the winding roller in a fixed structure manner;

[0009] Lock holes, lock holes adapted to the spring rods are provided on the side vertical surface of the oven body close to the spring rods;

[0010] A plug board located outside the oven body, the inner side of the plug board is provided with the same number of locking tongues as the lock holes, and the plug board is inserted and matched with the lock holes through the locking tongues. When the unwinding roller and the winding roller rotate, the inner end surface of the locking tongue is flush with the inner side vertical surface of the oven body;

[0011] A driving device connected to the winding roller, the driving device is arranged outside the oven body on the side opposite to the lock holes.

[0012] Furthermore, placing holes for placing the spring rods are provided on the side vertical surfaces of the unwinding roller and the winding roller.

[0013] Furthermore, a ball head is arranged at one end of the spring rod in contact with the oven body in a rotating structure manner.

[0014] Furthermore, a sleeve fixedly connected to the oven body is arranged outside the lock hole, and the sleeve is inserted and matched with the locking tongue.

[0015] Furthermore, a spring is arranged between the plug board and the oven body in a fixed structure manner.

[0016] Furthermore, a handle is arranged on the outside of the plug board.

[0017] Furthermore, the driving device is a servo motor.

[0018] The beneficial effects of the present utility model are:

[0019] 1. Through the settings of the plug board, the locking tongue, the lock hole and the spring rod, after the servo motor is turned off, the unwinding roller and the winding roller are locked simultaneously, avoiding the generation of a speed difference between the unwinding roller and the winding roller, thereby ensuring that the carbonless copy paper is always in a taut state and ensuring the product quality.

[0020] 2. Through the setting of the sleeve, the slidable distance of the plug board is increased; at the same time, a spring is arranged, and the plug board is limited by the pulling force of the spring. The combination of the two avoids the situation that the plug board is pulled off due to too large a pulling distance and the need to align and install again.

[0021] 3. Through the setting of the ball head, the contact mode between the spring rod and the oven body is changed from direct contact to indirect contact, and the friction mode is changed from sliding friction to rolling friction; therefore, during the rotation of the spring rod, it will not abut against the oven body due to the elastic force of the spring, thereby reducing the resistance suffered by the spring rod during the rotation with the unwinding roller and making the rotation process smoother. Description of the Drawings:

[0022] Figure 1 It is a partial perspective three-dimensional structural schematic diagram of the present utility model.

[0023] Figure 2 It is an exploded structural schematic diagram of a part of the present utility model.

[0024] Figure 3 It is a sectional structural schematic diagram of the present utility model.

[0025] Figure 4 It is a partial enlarged three-dimensional structural schematic diagram of the present utility model.

[0026] In the figure:

[0027] 1. Oven body, 2. Hot air pipe, 3. Hot air blower, 4. Unwinding roller, 5. Rewinding roller, 6. Spring rod, 7. Lock hole, 8. Plug board, 9. Lock tongue, 10. Guide roller, 11. Handle, 12. Servo motor, 13. Placing hole, 14. Sleeve, 15. Spring. Detailed Implementation Manner:

[0028] To make the purpose, technical solutions and advantages of the implementation of the present utility model clearer, the present utility model will now be further described in detail with reference to the accompanying drawings and the following embodiments, so that the public can better master the implementation method of the present utility model. The specific implementation scheme of the present utility model is as follows:

[0029] An oven for carbonless copy paper production includes an oven body 1, a hot air pipe 2 and a hot air blower 3. The hot air blower 3 is located on one side of the oven body 1, the output end of the hot air blower 3 is connected to one end of the hot air pipe 2, and the other end of the hot air pipe 2 extends into the oven body 1; a unwinding roller 4 and a rewinding roller 5 are arranged in the oven body 1 in a rotatable structure manner, and a plurality of spring rods 6 are arranged on the left side surfaces of the unwinding roller 4 and the rewinding roller 5 in a fixed structure manner. Lock holes 7 adapted to the spring rods 6 are opened on the side surface of the oven body 1 close to the spring rods 6; a plug board 8 is arranged outside the oven body 1, and a lock tongue 9 with the same number as the lock holes 7 is arranged on one side of the plug board 8. The plug board 8 is in plug-in fit with the lock holes 7 through the lock tongue 9. When the unwinding roller 4 and the rewinding roller 5 rotate, the inner end surface of the lock tongue 9 is flush with the inner side surface of the oven body 1; a driving device connected to the rewinding roller 5 is arranged outside the oven body 1 opposite to the lock holes 7; after plugging, the side surface of the lock tongue 9 is flush with the inner surface of the oven body 1 to prevent affecting the rotation of the unwinding roller 4; the spring rods 6 are in a compressed state during normal drying. When it is necessary to stop rewinding, after pulling out the plug board 8 from the corresponding lock hole 7, the spring rods 6 in the compressed state will pop out and be inserted into the lock hole 7 when rotating to the lock hole 7, so as to realize the limit of the unwinding roller 4 and the rewinding roller 5.

[0030] Furthermore, through the arrangement of the plug plate 8, the lock tongue 9, the lock hole 7 and the spring rod 6, after the servo motor 12 is turned off, the unwinding roller 4 and the winding roller 5 are locked at the same time to avoid a speed difference between the unwinding roller 4 and the winding roller 5, thereby ensuring that the carbonless copy paper is always in a taut state, thereby ensuring product quality.

[0031] Specifically, a placement hole 13 for placing the spring rod 6 is opened on the side elevation surface of the unwinding roller 4 and the winding roller 5 to fix the spring rod 6 and ensure the stability of the spring rod 6 during the rotation of the unwinding roller.

[0032] It should be noted that the end of the spring rod 6 that contacts the oven body 1 is provided with a ball head in a rotating structure; through the provision of the ball head, the contact mode between the spring rod and the oven body is changed from direct contact to indirect contact, and the friction mode is changed from sliding friction to rotational friction; therefore, during the rotation process, the spring rod will not come into contact with the oven body due to the spring rebound force, thereby reducing the resistance encountered by the spring rod when rotating with the unwinding roller, making the rotation process smoother.

[0033] It should be explained that a sleeve 14 connected to the oven in a fixed structural manner is arranged on the outside of the lock hole 7, the sleeve 14 is plugged into the lock tongue 9, and a spring 15 is arranged between the plug plate 8 and the oven body 1 in a fixed structural manner. The setting of the sleeve 14 increases the sliding distance of the plug plate 8; at the same time, the spring 15 is arranged, and the plug plate 8 is limited by the pulling force of the spring 15. The combination of the two can avoid the situation where the plug plate 8 is pulled off due to excessive pulling distance and needs to be aligned and installed again.

[0034] The working principle and working process of the utility model are as follows:

[0035] When the unwinding roller 4 is running, the plug plate 8 is plugged into the oven body 1 through the lock tongue 9, and the side elevation of the lock tongue 9 is flush with the inner surface of the oven body 1; when it is necessary to stop the rotation of the unwinding roller 4 and the winding roller 5, the servo motor 12 is turned off, the plug plate 8 is pulled out, and the spring rod 6 on the unwinding roller 4 and the winding roller 5 pops out when rotating to pass through the lock hole 7, and is stuck in the lock hole 7, and the plug plate 8 is released to limit the unwinding roller 4 and the winding roller 5; when it needs to be used again, the plug plate 8 drives the lock tongue 9 to reset under the action of the spring, and at this time the side elevation of the lock tongue 9 is flush with the inner surface of the oven body 1, and the spring rod 6 is retracted to a compressed state.

[0036] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "center", "upper", "lower", "left", "right", "front", "rear", "lower left", "upper right", "outer", "clockwise", "counterclockwise", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the protection scope of the present utility model. In addition, the terms "first", "second", "third" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance. Although the present utility model is described based on a limited number of embodiments, those skilled in the art of this technology should understand that within the scope of the present utility model thus described, other embodiments can be envisioned.

Claims

1. An oven for producing carbonless copy paper, comprising an oven body (1), a hot air pipe (2) and a hot air blower (3). The hot air blower (3) is located on one side of the oven body (1), the output end of the hot air blower (3) is connected to one end of the hot air pipe (2), and the other end of the hot air pipe (2) extends into the oven body (1); it is characterized in that, The oven body (1) is provided with: An unwinding roller (4) and a winding roller (5), the unwinding roller (4) and the winding roller (5) are respectively arranged in the oven body (1) in a rotating structure manner; Spring rods (6), a plurality of spring rods (6) are arranged on the left vertical surface of the unwinding roller (4) and the winding roller (5) in a fixed structure manner; Lock holes (7), lock holes (7) adapted to the spring rods (6) are formed on the side vertical surface of the oven body (1) close to the spring rods (6); A plug board (8) located outside the oven body (1), lock tongues (9) with the same number as the lock holes (7) are arranged on the inner side of the plug board (8), the plug board (8) is in plug-in fit with the lock holes (7) through the lock tongues (9), when the unwinding roller (4) and the winding roller (5) rotate, the inner end surface of the lock tongue (9) is flush with the inner vertical surface of the oven body (1); A driving device connected to the winding roller (5), the driving device is arranged outside the oven body (1) on the side opposite to the lock holes (7).

2. The oven for producing carbonless copy paper according to claim 1, characterized in that: Placement holes (13) for placing the spring rods (6) are formed on the side vertical surfaces of the unwinding roller (4) and the winding roller (5).

3. An oven for producing carbonless copy paper according to claim 1, characterized in that: A ball head is arranged at one end of the spring rod (6) in contact with the oven body (1) in a rotating structure manner.

4. The oven for producing carbonless copy paper according to claim 1, characterized in that: A sleeve (14) fixedly connected to the oven body (1) is arranged outside the lock hole (7), and the sleeve (14) is in plug-in fit with the lock tongue (9).

5. An oven for producing carbonless copy paper according to claim 1, characterized in that: A spring (15) is arranged between the plug board (8) and the oven body (1) in a fixed structure manner.

6. The oven for producing carbonless copy paper according to claim 5, characterized in that: A handle (11) is arranged outside the plug board (8).

7. An oven for producing carbonless copy paper according to claim 1, characterized in that: The driving device is a servo motor (12).

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