Sheet product conveying device

By installing an adsorption device on the transition conveying component of the sheet product conveying device and utilizing negative pressure technology, the problem of sheet products falling in the gap area between multiple conveying devices was solved, and stable product conveying was achieved.

CN224185477UActive Publication Date: 2026-05-01SHANGHAI ZHILIAN PRECISION MACHINERY
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANGHAI ZHILIAN PRECISION MACHINERY
Filing Date
2025-05-15
Publication Date
2026-05-01

AI Technical Summary

Technical Problem

On disposable absorbent product production lines, the gaps between multiple conveyor sections can easily lead to the unexpected falling of sheet-like products.

Method used

A sheet product conveying device is designed, including a first support conveying component, a second support conveying component, and a transition conveying component straddling the upper side of the components. The transition conveying component is equipped with an adsorption device to keep the sheet product attached in the gap area. A negative pressure device forms a negative pressure area to cover the gap area to ensure that the product passes through smoothly.

Benefits of technology

This effectively avoids the problem of sheet products falling off during the conveying process due to gaps, ensuring stable product delivery.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224185477U_ABST
    Figure CN224185477U_ABST
Patent Text Reader

Abstract

The embodiment of the utility model provides a flaky product conveying device which is used for conveying flaky products and comprises a first supporting conveying assembly, a second supporting conveying assembly and a transition conveying assembly which are sequentially arranged, and the transition conveying assembly is arranged on the upper side of the first supporting conveying assembly and the upper side of the second supporting conveying assembly in a crossing mode. A gap area is formed between the first supporting conveying assembly and the second supporting conveying assembly, the transition conveying assembly comprises an attaching face facing the gap area, and the transition conveying assembly further comprises an adsorption device used for enabling the sheet-shaped products to be attached to the attaching face when the sheet-shaped products pass through the gap area. The transition conveying assembly is arranged, and the adsorption device is arranged on the transition conveying assembly, so that the sheet-shaped products are attached to the attaching face when passing through the gap area, the sheet-shaped products can completely and smoothly pass through the gap area, and the unexpected falling problem is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to a conveying device, and more particularly to a conveying device for sheet products. Background Technology

[0002] In the production of disposable absorbent products, such as sanitary napkins, diapers, nursing pads, and breast pads, individual products are transported using a conveying device.

[0003] These single-piece sheet products typically use negative pressure conveying. Specifically, a negative pressure box is installed below the conveyor belt, and the negative pressure box is connected to a negative pressure device to create negative pressure on the surface area of ​​the conveyor belt, thereby keeping the sheet products on the conveyor belt during the conveying process. However, since the production line for disposable absorbent products is relatively long, and different functional units are also required to make the production line more flexible, multi-segment conveying devices are usually configured. However, there are gaps between the multi-segment conveying devices. Since there are no supporting devices in the gap areas, products may fall unexpectedly from the gaps in some cases.

[0004] Therefore, a new technical solution is needed to solve the above-mentioned technical problems. Utility Model Content

[0005] Therefore, this utility model provides a conveying device to solve the above-mentioned technical problems.

[0006] A sheet product conveying device for conveying sheet products includes a first support conveying assembly, a second support conveying assembly, and a transition conveying assembly spanning the upper sides of the first support conveying assembly and the second support conveying assembly. A gap region is included between the first support conveying assembly and the second support conveying assembly. The transition conveying assembly includes an attachment surface facing the gap region. The transition conveying assembly further includes an adsorption device for keeping the sheet product attached to the attachment surface as it passes through the gap region.

[0007] The first support and conveying assembly includes a first conveying surface, the second support and conveying assembly includes a second conveying surface, the attachment surface is spaced apart from the first conveying surface and the second conveying surface, and a channel is formed between the attachment surface and the first conveying surface and between the attachment surface and the second conveying surface.

[0008] The adsorption device includes an upper adsorption box with an upper adsorption port, the upper adsorption box being configured to be connected to a negative pressure device, the upper adsorption port facing the gap area and at least covering the gap area.

[0009] The first conveying surface includes a first section in the upstream direction and a first end section in the downstream direction; the second conveying surface includes a second section in the upstream direction and a second end section in the downstream direction; the attachment surface includes a pre-attachment area, a middle attachment area, and a tail attachment area from upstream to downstream; the pre-attachment area corresponds to the first end section; the tail attachment area corresponds to the second first section; and the middle attachment area corresponds to the gap area.

[0010] The transition conveying assembly further includes an adjustment assembly for adjusting the height of the channel. The transition conveying assembly also includes an adjustment bracket. The adjustment assembly includes an actuation device, which includes a movable end connected to the adjustment bracket, and the movable end is configured to move in a direction perpendicular to the channel.

[0011] The device further includes a connecting device between the actuating device and the adjusting bracket. The connecting device includes a fork-shaped frame on the movable end, a connecting rod on the adjusting bracket, and a connecting shaft. The connecting rod includes a first connecting hole. The fork-shaped frame includes a pair of forks spaced apart. Each fork includes a second connecting hole. The connecting rod is inserted between the pair of forks, and the first connecting hole corresponds to the second connecting hole. The connecting shaft is inserted into the first connecting hole and the second connecting hole, and the axis of the connecting shaft is parallel to the channel.

[0012] The first placement and conveying assembly further includes a first adsorption box, and the second placement and conveying assembly further includes a second adsorption box.

[0013] The sheet product conveying device further includes a front pressing component disposed upstream of the transition conveying component. The front pressing component includes at least one pressing component for pressing the sheet product located on the first conveying surface.

[0014] The pressing assembly includes a first pressing assembly and a second pressing assembly. The first pressing assembly includes a first pressing belt, and the second pressing assembly includes a second pressing belt. The first pressing belt includes a first pressing surface, and the second pressing belt includes a second pressing surface. The first pressing surface and the second pressing surface are spaced apart from the first conveying surface, and a first pressing channel and a second pressing channel are formed between the first pressing surface and the first conveying surface, and between the second pressing surface and the first conveying surface, respectively.

[0015] The first pressing component includes a first support roller, the second pressing component includes a second support roller, the first placement and conveying component further includes a first adsorption box, the first adsorption box includes a first adsorption port, the first adsorption port includes an adsorption pre-area, and the adsorption pre-area is correspondingly arranged with the second support roller.

[0016] Beneficial Effects: This utility model provides a sheet product conveying device for conveying sheet products. It includes a first supporting conveying component, a second supporting conveying component, and a transition conveying component spanning the upper sides of the first and second supporting conveying components. A gap area is included between the first and second supporting conveying components. The transition conveying component includes an attachment surface facing the gap area. The transition conveying component also includes an adsorption device for keeping the sheet product attached to the attachment surface when passing through the gap area. By setting the transition conveying component and the adsorption device on it, the sheet product adheres to the attachment surface when passing through the gap area, allowing the sheet product to pass through the gap area smoothly and completely, avoiding unexpected falling. Attached Figure Description

[0017] Figure 1 A schematic diagram of the sheet product conveying device according to the first embodiment of this utility model;

[0018] Figure 2 for Figure 1 Enlarged diagram of area A in the middle;

[0019] Figure 3 A schematic diagram of the sheet product conveying device according to the second embodiment of this utility model;

[0020] Figure 4 for Figure 3 Enlarged diagram of area B in the middle;

[0021] Component descriptions in the diagram:

[0022] Sheet product conveying device 100; first supporting conveying assembly 10, 510; first conveying surface 101; first initial section 1011, 5101; first final section 1012, 5102; first drive roller 11; first idler roller 12; first conveyor belt 13; first adsorption box 14, 514; second supporting conveying assembly 20, 520; second conveying surface 201; second initial section 2011; second final section 2012; second drive roller 21; second idler roller 22; second conveyor belt 23; second adsorption box 24; transition conveying assembly 30, 530; attachment surface 301; pre-attachment zone 3011; mid-attachment zone 3012; post-attachment zone 3013; channel 302; Third drive roller 31; Third idler roller 32; Third conveyor belt 33; Upper adsorption box 34; Upper adsorption port 341; Adjustment assembly 35; Adjustment bracket 350; Actuating device 351; Fork frame 352; Connecting shaft 353; Connecting rod 354; Slide groove 355; Guide rod 356; Gap area 40; Adsorption front area 5141; Front pressure assembly 540; First pressure assembly 541; Second pressure assembly 542; First support roller 5421; Second support roller 5422; First pressure belt 5423; Second pressure belt 5424; First pressure surface 5425; Second pressure surface 5426; First middle section 5103; Slitting assembly 600; Cutter 601. Detailed Implementation

[0023] Please refer to the reference. Figures 1-2 This utility model provides a sheet product conveying device 100 for conveying sheet products, which can be diapers, sanitary napkins, breast pads, nursing pads, etc., or other products, which are not limited here.

[0024] The sheet product conveying device 100 includes a first supporting conveying assembly 10, a second supporting conveying assembly 20, and a transition conveying assembly 30.

[0025] The first palletizing and conveying assembly 10 and the second palletizing and conveying assembly 20 are arranged sequentially. The sequential arrangement means that the first palletizing and conveying assembly 10 and the second palletizing and conveying assembly 20 are arranged upstream and downstream, so that the sheet product is conveyed by the first palletizing and conveying assembly 10 and then transferred to the second palletizing and conveying assembly 20, and then conveyed by the second palletizing and conveying assembly 20.

[0026] In this embodiment, the first supporting and conveying assembly 10 includes a first bracket, a pair of first rollers 12 disposed on both sides of the first bracket, a first drive roller 11 located below the first bracket, and a first conveying belt 13 wound around the pair of first rollers 12 and the first drive roller 11, forming a first conveying surface 101 between the pair of first rollers 12. The sheet product can be supported and conveyed downstream by the first conveying surface 101. The first conveying surface 101 includes a first section 1011 located upstream and a first section 1012 located downstream. It can be understood that the first section 1011 can receive the sheet product conveyed upstream.

[0027] Similarly, the second support conveying assembly 20 includes a second bracket, a pair of second rollers 22 disposed on both sides of the second bracket, a second drive roller 21 located below the second bracket, and a second conveying belt 23 wound around the pair of second rollers 22 and the second drive roller 21, forming a second conveying surface 201 between the pair of second rollers 22.

[0028] The second conveying surface 201 includes a second first section 2011 located in the upstream direction and a second last section 2012 located in the downstream direction. The second first section 2011 and the first last section 1012 are spaced apart, forming a gap area 40 between them. The second first section 2011 is approximately level with or slightly lower than the height of the first last section 1012, so that when the gap area 40 is unobstructed, the sheet-like products on the first conveying surface 101 can be easily received and conveyed by the second conveying surface 201 after passing through the gap area 40.

[0029] It is understood that the width of the gap area 40 should generally be less than the length of the sheet product. More preferably, the width of the gap area 40 is less than 1 / 2 of the length of the sheet product. In a specific embodiment, preferably, the width of the gap area 40 is less than 60 mm.

[0030] The sheet product conveying device 100 further includes a transition conveying component 30 spanning the upper side of the first support conveying component 10 and the second support conveying component 20. The transition conveying component 30 includes an attachment surface 301 facing the gap area 40. The transition conveying component 30 also includes an adsorption device for keeping the sheet product attached to the attachment surface 301 when passing through the gap area 40.

[0031] Specifically, the transition conveying assembly 30 includes a third drive roller 31, a third idler roller 32, and a third conveyor belt 33 wound around the third idler roller 32 and the third drive roller 31. The third conveyor belt 33 includes an attachment surface 301 facing the first conveying surface 101 and the second conveying surface 201. It can be understood that the attachment surface 301 is spaced apart from the first conveying surface 101 and the second conveying surface 201, and a channel 302 is formed between the attachment surface 301 and the first conveying surface 101 and between the attachment surface 301 and the second conveying surface 201. When the sheet product is located in the channel 302, it is clamped by the attachment surface 301 and the first conveying surface 101 and by the attachment surface 301 and the second conveying surface 201, thereby making the sheet product stably conveyed on the first conveying assembly and the second conveying assembly.

[0032] The adsorption device includes an upper adsorption box 34 with an upper adsorption port 341. The upper adsorption box 34 is configured to be connected to a negative pressure device to create a negative pressure within the upper adsorption box 34. It is understood that the upper adsorption port 341 faces the gap area 40 and at least covers the gap area 40, so that when the sheet product passes through the gap area 40, the sheet product remains attached to the adhesion surface 301 under the action of negative pressure.

[0033] Understandably, the third conveyor belt 33 includes several through holes (not shown) to allow airflow to flow through the through holes toward the adsorption box and to create a negative pressure in the area adjacent to the attachment surface 301, thereby keeping the sheet product in an attached state.

[0034] The meaning of "at least covering the gap area 40" is that the projection area of ​​the gap area 40 in the attachment area should be located within the projection area of ​​the upper adsorption port 341 in the attachment area.

[0035] In addition, the attachment surface 301 includes a front attachment area 3011, a middle attachment area 3012, and a tail attachment area 3013 from upstream to downstream. The front attachment area 3011 is corresponding to the first end segment 1012, the tail attachment area 3013 is corresponding to the second beginning segment 2011, and the middle attachment area 3012 is corresponding to the gap area 40. That is, this arrangement allows the transition conveying component 30 to be mounted on the first support conveying component 10 and the second support conveying component 20.

[0036] Furthermore, the transition conveying assembly 30 also includes an adjustment assembly 35 for adjusting the height of the channel 302 to accommodate sheet products of different thicknesses, and to ensure that sheet products of different thicknesses can smoothly enter the channel 302 and remain attached to the attachment surface 301.

[0037] Specifically, the transition conveying assembly 30 also includes an adjusting bracket 350. The third idler roller 32 and the third drive roller 31 are mounted on the adjusting bracket 350. The adjusting assembly 35 includes an actuating device 351. The actuating device 351 includes a movable end connected to the adjusting bracket 350, and the movable end is configured to move in a direction perpendicular to the channel 302 to adjust the width of the channel 302.

[0038] In this embodiment, the actuating device 351 is a cylinder, and the movable end is the end of the piston.

[0039] In addition, a connecting device is also included between the actuating device 351 and the adjusting bracket 350. The connecting device includes a fork-shaped frame 352 disposed on the movable end, a connecting rod 354 disposed on the adjusting bracket 350, and a connecting shaft 353. Specifically, the connecting rod 354 includes a first connecting hole, the fork-shaped frame 352 includes a pair of forks spaced apart, each fork including a second connecting hole, the connecting rod 354 is inserted between the pair of forks, and the first connecting hole corresponds to the second connecting hole. At the same time, the connecting shaft 353 is inserted into the first connecting hole and the second connecting hole, and the axis of the connecting shaft 353 is parallel to the channel 302. In this connection form, the transition conveying assembly 30 is, on the one hand, in a hanging form, and on the other hand, the transition conveying assembly 30 is configured to swing on a plane perpendicular to the axis of the connecting shaft 353, thereby adapting to the needs of different sheet products.

[0040] Furthermore, the adjustment assembly 35 also includes a guide device, which includes a slide 355 mounted on the frame and a guide rod 356 mounted on the adjustment bracket 350. The guide rod 356 matches the slide 355 so that the transition conveying assembly 30 can move stably along the direction defined by the guide device.

[0041] Furthermore, the first placement and conveying assembly 10 also includes a first adsorption box 14 and the second placement and conveying assembly 20 also includes a second adsorption box 24, so that the sheet product remains attached to the first conveying surface 101 and the second conveying surface 201 when it moves, so as to be conveyed stably.

[0042] Please refer to this as well. Figure 3 and Figure 4 ,exist Figure 3 The diagram shows a schematic of a sheet product conveying device according to a second embodiment of the present invention. Figure 4 It shows Figure 3 Enlarged diagram of area B in the middle.

[0043] In the second embodiment, the sheet product conveying device further includes a front pressing component 540 disposed upstream of the transition conveying component 530. The front pressing component 540 includes at least one pressing component for pressing the sheet product located on the first conveying surface.

[0044] In this embodiment, the pressing assembly includes a first pressing assembly 541 and a second pressing assembly 542. The first pressing assembly 541 includes a first support roller 5421 and a first pressing belt 5423 wound between the first support roller 5421 and the third drive roller 31. The second pressing assembly 542 includes a second support roller 5422 located upstream of the first support roller 5421 and a second pressing belt 5424 wound around the first support roller 5421 and the second support roller 5422. The first pressing belt 5423 includes a first pressing surface 5425, and the second pressing belt 5424 includes a second pressing surface 5426. The first pressing surface 5425 and the second pressing surface 5426 are spaced apart from the first conveying surface 101, and a first pressing channel and a second pressing channel are formed between the first pressing surface 5425 and the first conveying surface, and between the second pressing surface 5426 and the first conveying surface, respectively.

[0045] Furthermore, the height of the second holding channel is greater than or equal to the height of the first holding channel, so that the sheet product can smoothly enter the second holding channel and initially be subjected to greater pressure by the second holding channel and the first holding channel, thereby maintaining stable conveying.

[0046] Furthermore, the first conveying surface also includes a first middle section 5103 located between the first first section 5101 and the first last section 5102, and the first pressing surface 5425 is correspondingly provided with the first middle section 5103.

[0047] Furthermore, the first adsorption box 54 includes a first adsorption port, which covers the first middle section 5103.

[0048] Furthermore, the first adsorption port covers the first section 5101.

[0049] Furthermore, the first adsorption port includes an adsorption pre-region 5141, which is correspondingly arranged with the second support roller 5422, so that the first adsorption port can completely cover the first section 5101 and the first middle section 5103.

[0050] Furthermore, upstream of the first conveying assembly, there is also a slitting assembly 600, which includes a cutter 601 for separating the sheet product from the continuous belt, thereby facilitating the conveying of the sheet product.

[0051] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A sheet product conveying device for conveying sheet products, characterized in that, The device includes a first support conveying assembly, a second support conveying assembly, and a transition conveying assembly spanning above the first support conveying assembly and the second support conveying assembly. A gap area is provided between the first support conveying assembly and the second support conveying assembly. The transition conveying assembly includes an attachment surface facing the gap area. The transition conveying assembly also includes an adsorption device for keeping the sheet product attached to the attachment surface when it passes through the gap area.

2. The sheet product conveying device as described in claim 1, characterized in that, The first support and conveying assembly includes a first conveying surface, the second support and conveying assembly includes a second conveying surface, the attachment surface is spaced apart from the first conveying surface and the second conveying surface, and a channel is formed between the attachment surface and the first conveying surface and between the attachment surface and the second conveying surface.

3. The sheet product conveying device as described in claim 2, characterized in that, The adsorption device includes an upper adsorption box with an upper adsorption port, the upper adsorption box being configured to be connected to a negative pressure device, the upper adsorption port facing the gap area and at least covering the gap area.

4. The sheet product conveying device as described in claim 3, characterized in that, The first conveying surface includes a first section in the upstream direction and a first end section in the downstream direction. The second conveying surface includes a second section in the upstream direction and a second end section in the downstream direction. The attachment surface includes a pre-attachment area, a middle attachment area, and a tail attachment area from upstream to downstream. The pre-attachment area corresponds to the first end section, the tail attachment area corresponds to the second first section, and the middle attachment area corresponds to the gap area.

5. The sheet product conveying device as described in claim 2, characterized in that, The transition conveying assembly further includes an adjustment assembly for adjusting the height of the channel. The transition conveying assembly also includes an adjustment bracket. The adjustment assembly includes an actuation device, which includes a movable end connected to the adjustment bracket, and the movable end is configured to move in a direction perpendicular to the channel.

6. The sheet product conveying device as described in claim 5, characterized in that, A connecting device is also included between the actuating device and the adjusting bracket. The connecting device includes a fork-shaped frame disposed on the movable end, a connecting rod disposed on the adjusting bracket, and a connecting shaft. The connecting rod includes a first connecting hole. The fork-shaped frame includes a pair of forks disposed at intervals. Each fork includes a second connecting hole. The connecting rod is inserted between the pair of forks, and the first connecting hole corresponds to the second connecting hole. At the same time, the connecting shaft is inserted into the first connecting hole and the second connecting hole, and the axis of the connecting shaft is parallel to the channel.

7. The sheet product conveying device as described in claim 1, characterized in that, The first placement and conveying assembly further includes a first adsorption box, and the second placement and conveying assembly further includes a second adsorption box.

8. The sheet product conveying device as described in claim 2, characterized in that, The sheet product conveying device further includes a front pressing component disposed upstream of the transition conveying component. The front pressing component includes at least one pressing component for pressing the sheet product located on the first conveying surface.

9. The sheet product conveying device as described in claim 8, characterized in that, The pressing assembly includes a first pressing assembly and a second pressing assembly. The first pressing assembly includes a first pressing belt, and the second pressing assembly includes a second pressing belt. The first pressing belt includes a first pressing surface, and the second pressing belt includes a second pressing surface. The first pressing surface and the second pressing surface are spaced apart from the first conveying surface, and a first pressing channel and a second pressing channel are formed between the first pressing surface and the first conveying surface, and between the second pressing surface and the first conveying surface, respectively.

10. The sheet product conveying device as described in claim 9, characterized in that, The first pressing component includes a first support roller, the second pressing component includes a second support roller, the first placement and conveying component further includes a first adsorption box, the first adsorption box includes a first adsorption port, the first adsorption port includes an adsorption pre-area, and the adsorption pre-area is correspondingly arranged with the second support roller.