Defective product selection system for wet tissue production line

Abstract

The utility model provides a defective product selection system for a wet tissue production line, which comprises a driving roller, a support roller and a turnabout roller which are wrapped by a conveyor belt to form an annular conveying mechanism, a first mounting rack is arranged at the top of the conveyor belt frame; a metal sensor is arranged on the first mounting rack; a collecting groove used for containing defective wet tissue products is formed in the side wall of the conveying belt frame. The defective product selecting system of the wet tissue production line is provided with the rocker arm and the collecting tank, when the metal sensor finds out wet tissue products with metal adhesive tapes, the second servo motor responds and drives the rocker arm to rotate, the corresponding defective products are pulled into the collecting tank, and the defective product selecting system has the advantages of being high in automation degree and high in efficiency. And the overall efficiency of the wet tissue production line is not influenced.

Description

Technical Field

[0001] The utility model belongs to the field of wet wipes production and manufacturing, in particular to a defective product selection system for a wet wipes production line. Background Art

[0002] In the manufacturing process of wet wipes, it is usually necessary to connect the starting point of one roll of wet wipes production material to the end of another roll of wet wipes production material to ensure the continuity of wet wipes production and feeding. Under existing technical conditions, the connection between the starting point and the end point is generally made by bonding with metal tape. In this way, in the semi-finished products of wet wipes production, products containing the connection between two rolls of wet wipes production materials can be detected by equipment to prevent wet wipes products containing the connection between production materials from entering the market, so as to improve product quality. However, in actual use, the wet wipes production line found that the selection efficiency of wet wipes products with metal tape is still relatively low, affecting the overall production quality of wet wipes. Utility Model Content

[0003] In view of this, the utility model aims to overcome the defects in the prior art and proposes a defective product selection system for a wet wipes production line.

[0004] In order to achieve the above object, the technical solution of the utility model is implemented as follows:

[0005] A defective product selection system for a wet wipes production line comprises a conveyor belt frame; a driving roller and a redirecting roller are respectively arranged at the front and rear ends of the conveyor belt frame; a supporting roller is arranged in the conveyor belt frame, and a plurality of supporting rollers are equidistantly arranged between the driving roller and the redirecting roller; the driving roller, the supporting roller and the redirecting roller are wrapped with a conveyor belt to form a ring-shaped conveying mechanism; the driving roller is connected to the driving shaft of a first servo motor; a first mounting frame is arranged on the top of the conveyor belt frame, and a metal sensor is arranged on the first mounting frame; a collecting trough for storing defective wet wipes is arranged on the side wall of the conveyor belt frame; a second mounting frame is arranged on the side wall of the conveyor belt frame between the first mounting frame and the collecting trough, and a second servo motor is arranged on the second mounting frame, and the output shaft of the second servo motor is connected to a rocker arm arranged above the conveyor belt frame, the rocker arm rotates between the first mounting frame and the collecting trough, and a protrusion is arranged on the free end of the rocker arm facing the conveyor belt; the metal sensor is connected to the signal input end of a programmable controller PLC, and the signal output end of the programmable controller PLC is connected to the control end of the second servo motor.

[0006] Furthermore, the second servo motor control terminal is connected to the signal output terminal of the programmable controller PLC through the second motor driver.

[0007] Furthermore, the first servo motor is connected to the first motor driver.

[0008] Furthermore, a slope is provided on the conveyor belt frame at a position corresponding to the collecting trough to facilitate the sliding of defective wet wipes.

[0009] Preferably, a detachable box is provided in the collecting tank.

[0010] Preferably, two collecting tanks are provided.

[0011] Preferably, the rocker arm is in the shape of a rectangular flat plate.

[0012] Preferably, the slope is arranged at an angle of forty-five degrees to the horizontal plane.

[0013] Compared with the prior art, the defective product selection system for wet wipes production line disclosed in the utility model has the following advantages:

[0014] First, the utility model discloses a defective product selection system for a wet wipes production line, which can timely detect defective products with metal tape in wet wipes products through metal sensors, and has the characteristics of high accuracy and stable performance.

[0015] Second, the utility model discloses a defective product selection system for a wet wipes production line, which is provided with a rocker arm and a collection trough. When the metal sensor detects a wet wipes product with a metal tape, the second servo motor responds and drives the rocker arm to rotate, and the corresponding defective product is transferred into the collection trough. It has the advantages of high degree of automation, rapid action and no influence on the overall efficiency of the wet wipes production line. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the accompanying drawings:

[0017] Figure 1 This is a first structural schematic diagram of a defective product selection system for a wet wipes production line according to an embodiment of the utility model;

[0018] Figure 2 This is a second structural schematic diagram of a defective product selection system for a wet wipes production line according to an embodiment of the utility model;

[0019] Figure 3 This is a top view schematic diagram of a defective product selection system for a wet wipes production line according to an embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of a main view of a defective product selection system for a wet wipes production line according to an embodiment of the utility model;

[0021] Figure 5 This is a partially enlarged schematic diagram of a defective product selection system for a wet wipes production line according to an embodiment of the utility model.

[0022] Description of reference numerals:

[0023] 1- conveyor belt frame; 11- driving roller; 12- redirecting roller; 13- supporting roller; 2- conveyor belt; 3- first mounting frame; 31- metal sensor; 4- second mounting frame; 41- rocker arm; 410- raised part; 5- first servo motor; 51- first motor driver; 6- collecting trough; 61- ramp; 62- box; 7- second servo motor; 71- second motor driver; 72- programmable controller PLC; 8- wet wipes semi-finished product. DETAILED DESCRIPTION

[0024] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are 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 present utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description 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, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0027] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0028] Embodiment 1: Figure 1-5As shown, a defective product selection system for a wet wipes production line includes a conveyor frame 1; a driving roller 11 and a redirecting roller 12 are respectively arranged at the front and rear ends of the conveyor frame 1; a supporting roller 13 is arranged in the conveyor frame 1, and a plurality of supporting rollers 13 are equidistantly arranged between the driving roller 11 and the redirecting roller 12; the driving roller 11, the supporting roller 13 and the redirecting roller 12 are wrapped with a conveyor belt 2 to form a ring-shaped conveying mechanism; the driving roller 11 is connected to the driving shaft of the first servo motor 5; a first mounting frame 3 is arranged on the top of the conveyor frame 1, and a metal sensor 31 is arranged on the first mounting frame 3; a side of the conveyor frame 1 A collecting trough 6 for collecting defective wet wipes is provided on the wall; a second mounting frame 4 is provided on the side wall of the conveyor frame 1 between the first mounting frame 3 and the collecting trough 6, and a second servo motor 7 is provided on the second mounting frame 4. The output shaft of the second servo motor 7 is connected to a rocker arm 41 arranged above the conveyor frame 1, and the rocker arm 41 rotates between the first mounting frame 3 and the collecting trough 6. A protrusion 410 is provided on the free end of the rocker arm 41 facing the conveyor belt 2; the metal sensor 31 is connected to the signal input end of the programmable controller PLC72, and the signal output end of the programmable controller PLC72 is connected to the control end of the second servo motor 7.

[0029] In this embodiment, the control end of the second servo motor 7 is connected to the signal output end of the programmable controller PLC72 through the second motor driver 71.

[0030] In this embodiment, the first servo motor 5 is connected to a first motor driver 51 .

[0031] In this example, if Figure 1 As shown, the first servo motor 5 drives the active roller 11 to drive the conveyor belt 2 to move, the redirecting roller 12 realizes the redirection of the conveyor belt 2, and the supporting roller 13 supports the conveyor belt 2. The wet wipes semi-finished product 8 is placed on the conveyor belt 2 to select defective products.

[0032] In this embodiment, when defective wet wipes with metal tape, that is, with the interface between two rolls of wet wipes raw materials, pass through the conveyor belt 2 through the first mounting frame 3 set on the conveyor belt frame 1, the metal sensor 31 detects the metal tape in the defective wet wipes. At this time, the metal sensor 31 sends a signal to the programmable controller PLC72, and the programmable controller PLC72 controls the second servo motor 7 to rotate. At this time, the defective wet wipes are transported to the action area of ​​the rocker arm 41 via the conveyor belt 2. The rocker arm 41 rotates under the drive of the second servo motor 7, driving the corresponding defective wet wipes to enter the collection trough 6 set on the conveyor belt frame 1, thereby completing the selection of defective wet wipes production line products.

[0033] In this embodiment, if Figure 3As shown, the protrusion 410 is arranged from top to bottom on the free end of the rocker arm 41 facing the conveyor belt 2. The arrangement of the protrusion 410 facilitates the rocker arm 41 to pre-fix defective products and ensure the pulling effect.

[0034] Embodiment 2: Figure 2 As shown, a slope 61 is provided on the conveyor belt frame 1 at a position corresponding to the collecting slot 6 to facilitate the sliding of defective wet wipes.

[0035] In this embodiment, the provision of the slope 61 can make it easier for defective wet wipes to enter the collecting tank 6, thereby improving the selection effect.

[0036] Embodiment 3: Figure 5 As shown, a detachable box 62 is provided in the collecting tank 6 .

[0037] In this embodiment, the detachable box 62 allows the staff to clear out the defective products selected by the system at any time without suspending the production line, thereby improving production efficiency.

[0038] In this embodiment, two collecting tanks 6 are provided, the rocker arm 41 is in the shape of a rectangular flat plate, and the slope 61 is arranged at an angle of 45 degrees to the horizontal plane.

[0039] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A defective product selection system for a wet wipes production line, characterized by: The invention comprises a conveyor belt frame (1); a driving roller (11) and a redirecting roller (12) are respectively arranged at the front and rear ends of the conveyor belt frame (1); a supporting roller (13) is arranged in the conveyor belt frame (1), and a plurality of the supporting rollers (13) are equidistantly arranged between the driving roller (11) and the redirecting roller (12); the driving roller (11), the supporting roller (13) and the redirecting roller (12) are wrapped with a conveyor belt (2) to form a ring-shaped conveying mechanism; the driving roller (11) is connected to the driving shaft of a first servo motor (5); a first mounting frame (3) is arranged on the top of the conveyor belt frame (1), and a metal sensor (31) is arranged on the first mounting frame (3); a side wall of the conveyor belt frame (1) is provided with a plate for storing wet wipes. A collection trough (6) for good products; a second mounting frame (4) is provided on the side wall of the conveyor frame (1) between the first mounting frame (3) and the collection trough (6); a second servo motor (7) is provided on the second mounting frame (4); an output shaft of the second servo motor (7) is connected to a rocker arm (41) arranged above the conveyor frame (1); the rocker arm (41) rotates between the first mounting frame (3) and the collection trough (6); a protrusion (410) is provided on the free end of the rocker arm (41) facing the conveyor belt (2); the metal sensor (31) is connected to the signal input end of a programmable controller PLC (72); and the signal output end of the programmable controller PLC (72) is connected to the control end of the second servo motor (7).

2. A defective product selection system for wet wipes production line according to claim 1, characterized in that: The control end of the second servo motor (7) is connected to the signal output end of the programmable controller PLC (72) via a second motor driver (71).

3. A defective product selection system for wet wipes production line according to claim 1, characterized in that: The first servo motor (5) is connected to a first motor driver (51).

4. A defective product selection system for wet wipes production line according to claim 1, characterized in that: A slope (61) is provided on the conveyor belt frame (1) at a position corresponding to the collecting trough (6) for facilitating the sliding of defective wet wipes.

5. The defective product selection system for wet wipes production line according to claim 1, characterized in that: A detachable box (62) is provided in the collecting tank (6).

6. A defective product selection system for wet wipes production line according to claim 5, characterized in that: The collecting tanks (6) are provided with two.

7. A defective product selection system for wet wipes production line according to claim 1, characterized in that: The rocker arm (41) is in the shape of a rectangular flat plate.

8. A defective product selection system for wet wipes production line according to claim 4, characterized in that: The slope (61) is arranged at an angle of 45 degrees to the horizontal plane.

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