Wet wipe folding into bag liquid adding device

Abstract

The wet tissue folding into bag liquid adding device comprises a vertical plate, a turning block and a guide block fixed on the vertical plate, a first folding channel is formed between the guide block and the turning block, a second folding channel is formed between the turning block and the guide plate, folding material assemblies are arranged on both sides of the vertical plate, the synchronous belt pulleys of the folding material assemblies correspond to the folding channels, the synchronous belts are connected with the material pushing rods, an inserting plate which can pass through the through hole of the turning block is arranged above the turning block, and a liquid delivery pipe with an outlet located at the lower end of the inserting plate is arranged on the inserting plate. The wet tissue is continuously pushed along the folding channel by the material pushing rod driven by the synchronous belt, the inserting plate with the built-in liquid delivery pipe is used for synchronously adding liquid at the limit position of pushing into the bag, the mechanism is simplified, the stability of folding and conveying is improved, and liquid adding splashing and equipment pollution are avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of wet wipe packaging equipment, and in particular to a wet wipe folding and bag-filling liquid dispensing device. Background Technology

[0002] As an everyday cleaning product, wet wipes typically involve processes such as fabric folding, cutting, bagging, and liquid filling during production and packaging. Currently, the folding and liquid filling of wet wipes are mostly accomplished using separate or semi-automated devices. Existing wet wipe folding devices often employ a lever-driven or single-sided insert plate to fold the fabric. In practical production applications, this type of structure has the following shortcomings: 1. Traditional swing arm mechanisms have inertial impact during high-speed reciprocating motion, which can easily lead to uneven force on the wet wipe fabric in the folding channel, resulting in deviation, stacking, or wrinkling. The single-sided driven plug-in structure is prone to changes in channel gap due to cantilever force, affecting the consistency of the folding shape. 2. Existing liquid addition methods mostly use spray pipes or drip heads independently set upstream or downstream of the folding station. When spraying exposed wet wipes or packaging bag openings, the liquid is very easy to splash onto the equipment guide rails, synchronous belts, or electrical components, which not only wastes liquid raw materials but also increases the difficulty of equipment cleaning and maintenance. In addition, the method of adding liquid before pushing can easily cause the wet wipes to slip in the channel, affecting the pushing accuracy. 3. In some existing devices, the entrance design of the folding channel is relatively rigid or the path planning is unreasonable. When the fabric enters the arc-shaped folding area at high speed, the end is prone to collide with the side wall of the channel and get stuck. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a wet wipe folding and bag-filling device that is simple in structure, reasonable in design, stable in folding and conveying, and effectively avoids liquid splashing.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a wet wipe folding and bag-filling liquid dispensing device, including a vertical plate, and further including:

[0005] A turning block is fixed to the upright plate, and a through hole is vertically opened inside it;

[0006] A guide block is fixed to the upright plate and located upstream of the turning block, and the guide block and the turning block define a first folded channel with an arc segment;

[0007] A guide plate is fixed below the turning block, and a second folding channel is defined between the guide plate and the turning block, and the second folding channel is connected to the first folding channel;

[0008] Two sets of folding components are respectively disposed on both sides of the upright plate. Each set of folding components includes a driving wheel, a driven wheel and a timing belt. The outer contour extension trajectory of the timing belt corresponds to the extension contour of the first folding channel and the second folding channel.

[0009] The push rod, with its two ends connected to the synchronous belts of the two sets of folding components, is used to push the wet wipes to move along the folding channel;

[0010] An insert plate is slidably mounted above the turning block, and the lower end of the insert plate can pass through the through hole;

[0011] An infusion tube is disposed on the insert plate, with its outlet end located at the lower end of the insert plate.

[0012] Preferably, the central angle of the arc segment of the first folded channel is greater than 90° and less than 180°, and the guide block is provided with an arc-shaped guide surface at the entrance of the arc segment. The arc-shaped guide surface and the outer contour of the turning block together form a trumpet-shaped entrance.

[0013] Preferably, the upright plate has an arc-shaped channel through which the feeding rod passes, the outline of the arc-shaped channel matching the trajectory of the first folding channel and the second folding channel. The upright plate has a first proximity switch at the top of the arc-shaped channel for detecting the reset state of the feeding rod, and a second proximity switch is provided at the initial position of the upper end of the insert plate corresponding to the initial position of the insert plate.

[0014] Preferably, the second folding channel is provided with a sliding limit strip, and a sealing plate is provided on one side of the turning block and the guide plate. The sealing plate is provided with an adjusting screw for adjusting the extension and retraction position of the limit strip in the second folding channel.

[0015] Preferably, the two sets of material folding components are connected by a drive shaft, and the upright plate is provided with a first drive motor and a second drive motor. The first drive motor is driven by the drive shaft, and the second drive motor is driven by the insert plate.

[0016] Preferably, the guide plate and the guide block define a discharge port that communicates with the through hole, and both the guide plate and the guide block are provided with guide strips with a spacing that gradually decreases from top to bottom below the discharge port.

[0017] Preferably, the upper surface of the turning block is provided with a baffle by an adjusting block, and the outer side of the top of the guide block is provided with a transition plate.

[0018] The beneficial effects of this utility model are:

[0019] 1. By setting up a double-sided synchronous belt drive for the material feeding rod that corresponds to the contour of the folding channel, the continuous and stable folding and pushing of the wet wipe fabric is realized, avoiding the inertial impact of the traditional swing rod structure and significantly improving the folding quality and running speed.

[0020] 2. The infusion tube is integrated into the insert plate, so that the liquid addition action and the inserting action into the bag are completed synchronously at the bottom of the bag, which solves the problems of liquid splashing and contamination of the equipment and poor liquid addition position accuracy in the existing technology.

[0021] 3. By setting an arc segment with a central angle of 90°-120° and a trumpet-shaped guide surface at the entrance of the first folding channel, the jamming and wrinkling of the wet wipe fabric during high-speed folding are effectively prevented. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0023] Figure 2 This is a side view of the turning block of this utility model;

[0024] Figure 3 This is a utility model Figure 2 Enlarged view of point A

[0025] Figure 4 This is a top view of the turning block of this utility model.

[0026] In the diagram: 1. Vertical plate; 2. Turning block; 3. Through hole; 4. Guide block; 5. First folding channel; 6. Guide plate; 7. Second folding channel; 8. Driving wheel; 9. Driven wheel; 10. Synchronous belt; 11. Feeding rod; 12. Insertion plate; 13. Infusion tube; 14. Arc-shaped guide surface; 15. Horn-shaped inlet; 16. Arc-shaped channel; 17. First proximity switch; 18. Second proximity switch; 19. Limiting strip; 20. Sealing plate; 21. Adjusting screw; 22. Driving shaft; 23. First drive motor; 24. Second drive motor; 25. Discharge port; 26. Guide strip; 27. Adjusting block; 28. Baffle; 29. ​​Transition plate. Detailed Implementation

[0027] The technical solution of this utility model will be further described in detail below through specific embodiments and in conjunction with the accompanying drawings. Example:

[0028] like Figures 1 to 4The illustrated device is a wet wipe folding and bag-filling liquid dispensing device. The main body of the device is mounted on a vertical plate 1. A turning block 2 and a guide block 4 are fixed on the front of the vertical plate 1. The guide block 4 is located upstream of the turning block 2, and the gap between the two forms a first folding channel 5. This channel includes an arc segment and a subsequent horizontal extension. The central angle of the arc segment of the first folding channel 5 (the angle between the end of the horizontal extension and the entrance of the arc segment around the center of the arc segment) is 120°. In order to ensure smooth initial introduction of the wet wipe fabric, the guide block 4 is machined with an arc-shaped guide surface 14 at the entrance of the arc segment, so that it forms a trumpet-shaped entrance 15 with the outer edge of the turning block 2.

[0029] A guide plate 6 is fixedly installed directly below the turning block 2. The gap between the upper surface of the guide plate 6 and the lower surface of the turning block 2 forms the second folding channel 7. The end of the first folding channel 5 and the beginning of the second folding channel 7 are smoothly connected in the horizontal direction, forming a continuous material bending path. In order to accommodate the folding requirements of wet wipes of different lengths and thicknesses, a sealing plate 20 is provided on one side of the turning block 2 and the guide plate 6. An adjusting screw 21 is provided on the sealing plate 20. A sliding limit strip 19 is provided on the inner wall of the second folding channel 7. The operator can change the length of the limit strip 19 extending into the channel by rotating the adjusting screw 21, thereby fine-tuning the length of the second folding channel 7.

[0030] Two sets of folding components are symmetrically arranged on both sides of the upright plate 1. Each set of folding components includes a driving wheel 8, a driven wheel 9, and a timing belt 10 sleeved on the wheel. The tensioned outline of the timing belt 10 strictly corresponds to the extended bending shape of the first folding channel 5 and the second folding channel 7. A detachable material-pulling rod 11 is horizontally connected between the timing belts 10 on both sides of the upright plate 1.

[0031] During operation, the wet wipe fabric enters the entrance of the first folding channel 5 under the guidance of the transition plate 29 and the baffle 28. The first drive motor 23 drives the drive wheels 8 on both sides to rotate synchronously through the drive shaft 22, which drives the synchronous belt 10 to rotate. The push rod 11 connected to the synchronous belt 10 moves accordingly. The push rod 11 pushes the wet wipe fabric to bend and fold downward along the arc section of the first folding channel 5, and then enters the horizontal second folding channel 7 for secondary pressing and folding.

[0032] Once the wet wipe is folded and reaches the designated position below the turning block 2, the second drive motor 24 drives the insert plate 12 to move vertically downward. The lower end of the insert plate 12 passes through the through hole 3 on the turning block 2, forcibly pushing the folded wet wipe into the packaging bag below through the discharge port 25. The guide strips 26 set at the discharge port 25 gradually reduce their spacing, which helps to compact the shape of the material.

[0033] The key to this invention lies in the improvement of the liquid supply structure. The liquid infusion tube 13 is fixed or embedded inside the insert plate 12, and its outlet end face is located at the lower end face of the insert plate 12. When the insert plate 12 descends to the bottom limit position (i.e., the moment when the wet wipe is completely inserted into the bag), the liquid supply system accurately injects liquid into the packaging bag through the liquid infusion tube 13. Since the liquid injection port is located at the lower center of the insert plate 12 and deep inside the packaging bag, the risk of liquid splashing onto the equipment guide rail or folding channel is effectively eliminated.

[0034] To ensure the accuracy of the operating logic, an arc-shaped channel 16 is provided on the upright plate 1 for the end of the feeding rod 11 to pass through. The first proximity switch 17 installed on the upright plate 1 is used to detect whether the feeding rod 11 has returned to the initial position, and the second proximity switch 18 is used to confirm whether the insert plate 12 is in a safe high position. The two signals are interlocked to control the start and stop of the motor.

Claims

1. A wet wipe folding and bag-filling liquid dispensing device, comprising a vertical plate (1), characterized in that: Also includes: The turning block (2) is fixed on the upright plate (1) and has a through hole (3) vertically opened inside it. The guide block (4) is fixed on the upright plate (1) and located upstream of the turning block (2). The guide block (4) and the turning block (2) define a first folded channel (5) with an arc segment. A guide plate (6) is fixed below the turning block (2), and a second folding channel (7) is defined between the guide plate (6) and the turning block (2), and the second folding channel (7) is connected to the first folding channel (5); Two sets of folding components are respectively arranged on both sides of the upright plate (1). Each set of folding components includes a driving wheel (8), a driven wheel (9) and a timing belt (10). The outer contour extension trajectory of the timing belt (10) corresponds to the extension contour of the first folding channel (5) and the second folding channel (7). The push rod (11) is connected at both ends to the synchronous belts (10) of the two sets of folding components, and is used to push the wet wipes to move along the folding channel; Insert plate (12) is slidably mounted above the turning block (2), and the lower end of the insert plate (12) can pass through the through hole (3). An infusion tube (13) is disposed on the insert plate (12), with its outlet end located at the lower end of the insert plate (12).

2. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The central angle of the arc segment of the first folding channel (5) is greater than 90° and less than 180°. The guide block (4) is provided with an arc-shaped guide surface (14) at the entrance of the arc segment. The arc-shaped guide surface (14) and the outer contour of the turning block (2) together form a trumpet-shaped entrance (15).

3. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The upright plate (1) has an arc-shaped channel (16) through which the feeding rod (11) passes. The outline of the arc-shaped channel (16) matches the trajectory of the first folding channel (5) and the second folding channel (7). The upright plate (1) has a first proximity switch (17) at the top of the arc-shaped channel (16) for detecting the reset state of the feeding rod (11). The upright plate (1) has a second proximity switch (18) at the initial position of the upper end of the insert plate (12).

4. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The second folding channel (7) is provided with a sliding limit strip (19), and the turning block (2) and the guide plate (6) are provided with a sealing plate (20) on one side. The sealing plate (20) is provided with an adjusting screw (21) for adjusting the extension and retraction position of the limit strip (19) in the second folding channel (7).

5. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The two sets of material folding components are connected by a drive shaft (22). The upright plate (1) is provided with a first drive motor (23) and a second drive motor (24). The first drive motor (23) is connected to the drive shaft (22), and the second drive motor (24) is connected to the insert plate (12).

6. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The guide plate (6) and the guide block (4) define a discharge port (25) that communicates with the through hole (3). The guide plate (6) and the guide block (4) are both provided with guide strips (26) with a spacing that gradually decreases from top to bottom below the discharge port (25).

7. The wet wipe folding and bag-filling liquid dispensing device according to claim 1, characterized in that: The upper surface of the turning block (2) is provided with a baffle (28) via the adjusting block (27), and the outer side of the top of the guide block (4) is provided with a transition plate (29).

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