CN108186201B

CN108186201B - Adsorption conveying roller

Info

Publication number: CN108186201B
Application number: CN201711454261.0A
Authority: CN
Inventors: 林秉正
Original assignee: Quanzhou Hanwei Machinery Manufacturing Co Ltd
Current assignee: Quanzhou Hanwei Machinery Manufacturing Co Ltd
Priority date: 2017-12-28
Filing date: 2017-12-28
Publication date: 2023-01-10
Anticipated expiration: 2037-12-28
Also published as: CN108186201A

Abstract

The invention is suitable for the field of production equipment of disposable absorption articles, and provides an absorption conveying roller, which comprises: the first end and the second end of the central shaft are respectively provided with a first bearing and a second bearing; a gas channel is arranged in the radial middle of the central shaft, and one end of the gas channel extends to the position close to the axial end part of the central shaft; the transfer roller is rotatably arranged on the central shaft through the first bearing and the second bearing, a plurality of air suction holes are formed in the surface of the transfer roller, and the diameter of an inner ring of the first bearing is larger than that of an inner ring of the second bearing; the air distribution device is characterized by further comprising an air distribution disc, an air suction pipe, a transmission mechanism and an air blowing pipe, wherein one end of the air blowing pipe is connected with an air source, and the other end of the air blowing pipe penetrates through the radial inner side of the inner ring of the first bearing and a side plate of the air distribution disc and is finally communicated with the positive pressure area. The invention is used for adsorption transfer of the layered material.

Description

Adsorption conveying roller

Technical Field

The invention belongs to the field of production equipment of disposable absorption articles, and particularly relates to an adsorption conveying roller.

Background

Disposable absorbent articles such as baby diapers and adult incontinence pads are known, which comprise a liquid-permeable surface layer, a liquid-impermeable bottom layer and an absorbent core arranged between the liquid-permeable surface layer and the liquid-impermeable bottom layer, wherein the liquid-permeable surface layer, the liquid-impermeable bottom layer and the absorbent core are fixedly connected together in a gluing or hot-pressing manner. Utility model patent No. ZL201020694620.7 as 2010 application of 31/12/2010 discloses a preceding waist sticker adsorption transfer roller on panty-shape diapers production line promptly, and it includes the suction hole that the roll body surface set up, and the roll body surface is equipped with the bump except the region of contacting with the cutter. The salient points are irregularly arranged and densely distributed on the surface of the roller body. However, in a production line, it is more commonly used to absorb and stably and reliably transfer a certain layered material to the next process, and with the continuous increase of the production line speed, the absorption and transmission sometimes work unreliably, once the absorption and transmission of a certain material is inaccurate, the piece of product is inferior, and at least three pieces of product are required to be punched in the subsequent product cutting, so that it is necessary to develop a new absorption and transmission roller to meet the requirements of the production line.

Disclosure of Invention

The invention provides an adsorption conveying roller, and aims to solve the technical problems of complex structure and unstable adsorption conveying of the conventional conveying device.

The technical scheme adopted by the invention is as follows: an adsorbent transfer roll comprising:

the first end and the second end of the central shaft are respectively provided with a first bearing and a second bearing; a gas channel is arranged in the radial middle of the central shaft, and one end of the gas channel extends to the position close to the axial end part of the second end on the central shaft;

the transfer roller is rotatably arranged on the central shaft through the first bearing and the second bearing, a plurality of air suction holes are formed in the surface of the transfer roller, and the diameter of an inner ring of the first bearing is larger than that of an inner ring of the second bearing;

the air distribution disc is arranged between the transfer roller and the central shaft and fixedly connected with the central shaft, the air distribution disc consists of two side plates and three baffle plates, the two side plates are respectively arranged on the central shaft between the first bearing and the second bearing side by side, the three baffle plates are arranged at intervals along the circumferential direction of the central shaft and form a positive pressure area and a negative pressure area which are mutually independent, the included angle of the two baffle plates of the negative pressure area along the circumferential direction of the central shaft is between 150 degrees and 260 degrees, and the other end of the gas channel extends to the radial outer side of the central shaft and is communicated with the negative pressure area;

one end of the air suction pipe is connected with the negative pressure device, and the other end of the air suction pipe is arranged on the second end of the central shaft and communicated with the air channel;

the transmission mechanism is in transmission connection with the transfer roller;

and one end of the air blowing pipe is connected with an air source, and the other end of the air blowing pipe penetrates through the radial inner side of the inner ring of the first bearing and the side plate of the air distribution disc and is finally communicated with the positive pressure area.

In the adsorption conveying roller, the air suction holes in the transfer roller are arranged in a mode of multiple rows of mutually staggered air suction holes.

Above-mentioned adsorb transfer roller, drive mechanism is belt drive mechanism, belt drive mechanism is including setting up first drive wheel, the second drive wheel of setting on drive arrangement and the drive belt of shifting roller axial one end, the drive belt is located on first drive wheel and the second drive wheel with the mode cover that the transmission is connected.

Above-mentioned adsorb the transfer roller, belt drive mechanism still is in including setting up adjustable take-up pulley on the drive belt.

In the adsorption conveying roller, the second end of the central shaft is also provided with a position adjusting mechanism for adjusting the position of the adsorption conveying roller.

Above-mentioned adsorb transfer roller, position control mechanism is in including being used for setting up first adjustable board on the mounting panel, setting second adjustable board and adjustment seat on the first adjustable board, the periphery of first adjustable board, second adjustable board is provided with rectangular hole so that carry out position control respectively.

Compared with the prior art, the invention has the beneficial effects that: traditional absorption transfer roller, the roll body is integrative and synchronous rotation with the center pin, can only produce negative pressure region and can not produce the malleation region on the roll body like this to when the material that is adsorbed to shift passes through to ordinary pressure region from the negative pressure region, laminar material can not normally shift from shifting the roller, and the negative pressure pipe that sets up through the center pin simultaneously is owing to there is the revolute pair to connect, and the inefficacy of revolute pair often makes can't establish sufficient negative pressure in shifting the roller in order to satisfy the needs that adsorb the transfer. The technical scheme of the invention fundamentally changes the traditional negative pressure adsorption mode, adopts the combination of two bearings, namely a big bearing and a small bearing, and the arrangement of the air distribution disc to form a positive pressure transfer area and a negative pressure adsorption area on the transfer roller, thus ensuring the reliable adsorption and transfer of the layered material.

Drawings

Fig. 1 is a schematic sectional view of the structure of an adsorption transfer roller of an embodiment of the present invention;

FIG. 2 is a schematic left side view of an exemplary adsorption transport roll of the present invention;

FIG. 3 is a schematic view of the arrangement of suction holes on the surface of a transfer roll according to an embodiment of the present invention;

FIG. 4 is a schematic view of a position adjustment mechanism of an adsorption transfer roller according to an embodiment of the present invention;

FIG. 5 is a side view of a gas panel according to an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

An adsorbent transfer roll comprising:

the device comprises a central shaft 1, wherein a bearing 13 and a bearing 14 are respectively arranged at a first end 11 and a second end 12 of the central shaft 1; a gas channel 15 is arranged at the radial middle part of the central shaft 1, and one end of the gas channel 15 extends to the vicinity of the axial end part of the second end 12 on the central shaft 1;

the transfer roller 2 is rotatably arranged on the central shaft 2 through the bearings 13 and 14, a plurality of air suction holes 21 are formed in the surface of the transfer roller 2, the air suction holes 21 in the transfer roller 2 are arranged in a plurality of rows in a mutually staggered mode, the arrangement of the plurality of rows in the mutually staggered mode means that the air suction holes 21 are arranged in a row in parallel along the axial direction of the transfer roller 2, but the air suction holes 21 in two adjacent rows are staggered with each other along the circumferential direction of the transfer roller 2, so that a uniform adsorption area is formed on the surface of the transfer roller 2, and the diameter of the inner ring of each bearing 13 is larger than that of the inner ring of each bearing 14;

the air distribution disc 3 is arranged between the transfer roller 2 and the central shaft 1 and fixedly connected with the central shaft 1, the air distribution disc 3 consists of two side plates 31 and three baffle plates 32, the two side plates 31 are respectively arranged between the radial outer side of the central shaft 1 between the bearing 13 and the bearing 14 and the transfer roller 2 side by side, the three baffle plates 32 are arranged at intervals along the circumferential direction of the central shaft 2 and form a positive pressure area 33 and a negative pressure area 34 which are mutually independent, the included angle of the two baffle plates 32 of the negative pressure area 34 along the circumferential direction of the central shaft 1 is 240 degrees, and the other end of the gas channel 15 extends to the radial outer side of the central shaft 1 and is communicated with the negative pressure area 34;

one end of the air suction pipe 4 is connected with an air suction opening of a vacuum-pumping motor, and the other end of the air suction pipe 4 is arranged on the second end 12 of the central shaft 1 and communicated with the gas channel 15 for vacuumizing a negative pressure area 34;

one end of the air blowing pipe 5 is connected with an air source, and the other end of the air blowing pipe 5 penetrates through the radial inner side of the inner ring of the first bearing 13 and the side plate 31 of the air distribution disc 3 and is finally communicated with the positive pressure area 33 to establish positive pressure on the positive pressure area 33 so that the layered material is smoothly transferred;

the transmission mechanism 6 comprises a transmission wheel 61, a transmission wheel 62, a tension wheel 63 and a transmission belt 64 which are arranged on one side of the transfer roller 2 close to the bearing 14, the transmission belt 64 is sleeved on the transmission wheel 61, the transmission wheel 62 and the tension wheel 63 in a transmission connection mode, the transmission wheel 62 is connected with the output end of the driving device, and the tension wheel 63 is rotatably arranged on the frame a and used for adjusting the tension degree of the transmission belt 64.

Above-mentioned adsorption and conveying roller, still be provided with one between second end 12 of center pin 1 and the frame a and be used for adjusting shift roller radial position's position adjustment mechanism 7, position adjustment mechanism 7 is including being used for fixing adjustable plate 71 on frame a, setting adjustable plate 72 and the adjusting seat 73 on the adjustable plate 71, the periphery of adjustable plate 71, adjustable plate 72 is provided with rectangular hole so that carry out position adjustment respectively. Specifically, the adjustable plate 71 is provided with four elongated holes extending in the transverse direction, so that the adjustable plate 71 is arranged on the frame a in a manner of being movable in the transverse direction by bolts, the position of the adjustable plate 71 in the horizontal direction can be adjusted by rotating corresponding bolts on the adjusting seat 73, and further the position of the transfer roller 2 in the horizontal direction is adjusted, the adjustable plate 72 is provided with four elongated holes extending in the longitudinal direction, so that the adjustable plate 72 is arranged on the adjustable plate 71 in a manner of being movable in the longitudinal direction by bolts, and the position of the adjustable plate 72 in the longitudinal direction can be adjusted by rotating corresponding bolts on the adjusting seat 73, so that the position of the whole transfer roller 2 can be adjusted conveniently.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. An adsorbent transfer roll, comprising:

the bearing comprises a central shaft, a first bearing and a second bearing are respectively arranged at the first end and the second end of the central shaft, and the diameter of the first bearing is larger than that of the second bearing; a gas channel is arranged in the radial middle of the central shaft, and one end of the gas channel extends to the position close to the axial end part of the second end on the central shaft;

the air distribution disc is arranged between the transfer roller and the central shaft and fixedly connected with the central shaft, the air distribution disc is composed of two side plates and three baffle plates, the two side plates are respectively arranged on the central shaft between the first bearing and the second bearing side by side, the three baffle plates are arranged at intervals along the circumferential direction of the central shaft and form a positive pressure area and a negative pressure area which are mutually independent, and the included angle of the two baffle plates of the negative pressure area along the circumferential direction of the central shaft is 150 DEG ^o ～260 ^o The other end of the gas channel extends to the radial outer side of the central shaft and is communicated with the negative pressure area;

and one end of the air blowing pipe is connected with an air source, and the other end of the air blowing pipe penetrates through the radial inner side of the inner ring of the first bearing and the side plate of the air distribution plate and is finally communicated with the positive pressure region.

2. The suction transfer roll of claim 1 wherein the suction holes in the transfer roll are arranged in a plurality of staggered rows.

3. The suction transfer roll of claim 1 wherein the drive mechanism is a belt drive mechanism including a first drive wheel disposed at one axial end of the transfer roll, a second drive wheel disposed on the drive means, and a belt disposed over the first and second drive wheels in driving engagement.

4. The suction transfer roll of claim 3 wherein the belt drive mechanism further includes an adjustable tension wheel disposed on the belt.

5. The suction transfer roll of claim 1 wherein the second end of the central shaft is further provided with a position adjustment mechanism for adjusting the position of the suction transfer roll.

6. The suction transfer roll of claim 5, wherein the position adjusting mechanism includes a first adjustable plate for being mounted to the mounting panel, a second adjustable plate provided on the first adjustable plate, and an adjusting seat, and the first adjustable plate and the second adjustable plate are respectively provided with elongated holes at their peripheries for facilitating position adjustment.