CN213835797U - Prepressing roll for non-woven fabric production - Google Patents
Prepressing roll for non-woven fabric production Download PDFInfo
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- CN213835797U CN213835797U CN202022215887.XU CN202022215887U CN213835797U CN 213835797 U CN213835797 U CN 213835797U CN 202022215887 U CN202022215887 U CN 202022215887U CN 213835797 U CN213835797 U CN 213835797U
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- oil guide
- roller body
- oil inlet
- pressing roller
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Abstract
The utility model discloses a prepressing roller for non-woven fabric production comprises a prepressing roller body, an oil inlet channel and an oil return channel are sequentially formed in the prepressing roller body from inside to outside along the axial direction, the oil inlet channel is communicated with the oil return channel through an oil outlet positioned at the right end of the oil inlet channel, and an oil inlet of the oil inlet channel and an oil return port of the oil return channel are both positioned at the left end of the prepressing roller body; the oil return passage is annular, a plurality of annular oil guide plates are sequentially arranged in the oil return passage at intervals along the axis direction, oil guide holes penetrating through the left end face and the right end face of the oil guide plate are uniformly formed in the oil guide plates at intervals in the circumferential direction, the oil guide holes are obliquely arranged towards the rotating direction of the pre-pressing roller body, and the oil guide plates are sequentially staggered at a certain angle from right to left in the rotating direction, so that heat conduction oil flows out of the oil return port leftwards around the rotation of the inner wall of the pre-pressing roller body after being guided by the oil guide plates. This device has increased fluidic disturbance, guarantees temperature uniformity, solves the compression roller surface and leads to the local not tight real drawback of non-woven fabrics because of the temperature is inhomogeneous, makes the product index obtain great promotion.
Description
Technical Field
The utility model belongs to the technical field of non-woven fabrics hot briquetting, specifically be prepressing roller for non-woven fabrics production.
Background
During the production of non-woven fabric, it reforms the internal structure of fiber, eliminates the internal stress of fiber, makes partial high molecular chain disorientation and endows fiber with higher elasticity. The melt trickle forms as-spun fiber after being cooled by side-blown air, and certain defects exist in the as-spun fiber due to factors such as impurities, uneven cooling and the like. In the air flow stretching process, due to the existence of defects, a crystalline region formed by stretching is not uniform, and internal stress is formed. Through the pressing effect of the pre-pressing roller, the polymer chains absorb heat energy to move, the internal structure is reformed, and the crystallinity is further improved. Therefore, the heating uniformity of the pre-pressing roller is an important influence factor for ensuring the hot-pressing and shaping quality of the non-woven fabric. Chinese patent document (application No. 200920265098.8) discloses a heating system of a non-woven fabric spinning forming machine hot press roller, which comprises a hot press roller body, wherein the hot press roller body is of a hollow structure, a central shaft is connected in a penetrating manner along the axis of the hot press roller body, the hot press roller rotates around the central shaft, an oil duct is reserved between a central rotating shaft and the hot press roller body, an oil conveying pipeline for connecting the oil duct and external heat supply oil equipment is processed in the central shaft, and the oil duct has the defects of insufficient turbulence and uneven temperature of heat conduction oil in the arrangement mode.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides a prepressing roller for non-woven fabric production.
In order to realize the purpose, the utility model discloses a technical scheme is: a prepressing roller for non-woven fabric production comprises a prepressing roller body, wherein an oil inlet channel and an oil return channel are sequentially formed in the prepressing roller body from inside to outside along the axial direction, the oil inlet channel is communicated with the oil return channel through an oil outlet positioned at the right end of the oil inlet channel, and an oil inlet of the oil inlet channel and an oil return port of the oil return channel are both positioned at the left end of the prepressing roller body; the oil return passage is annular, a plurality of annular oil guide plates are sequentially arranged in the oil return passage at intervals along the axis direction, oil guide holes penetrating through the left end face and the right end face of the oil guide plate are uniformly formed in the oil guide plates at intervals in the circumferential direction, the oil guide holes are obliquely arranged towards the rotating direction of the pre-pressing roller body, and the oil guide plates are sequentially staggered at a certain angle from right to left in the rotating direction, so that heat conduction oil flows out of the oil return port leftwards around the rotation of the inner wall of the pre-pressing roller body after being guided by the oil guide plates.
Further, a tubular oil inlet end shaft head is coaxially arranged at the left end of the pre-pressing roller body, and a solid shaft head is arranged at the other end of the pre-pressing roller body; the oil guide plate is arranged in a first annular gap formed between the pre-pressing roller body and the oil guide bile duct, an oil inlet pipe is axially arranged in the shaft head of the oil inlet end in a penetrating mode, the oil inlet pipe is hermetically communicated with the interior of the oil guide bile duct to form an oil inlet channel, a second annular gap is formed between the oil inlet pipe and the shaft head of the oil inlet end at a spacing distance, and the first annular gap is communicated with the second annular gap to form the oil return channel.
Furthermore, the left end of the oil guide bile duct is spaced from the right end of the oil inlet end shaft head to form a first impact area, the right end of the oil guide bile duct is spaced from the left end of the solid shaft head to form a second impact area, the left end of the solid shaft head is provided with a conical recess, the conical recess is coaxial with the oil inlet channel, and the conical recess is matched with the second impact area and used for guiding heat conduction oil to the periphery and flowing to the oil guide plate.
Furthermore, the number of the oil guide plates is at least 3, and two of the oil guide plates are respectively arranged at the left end and the right end of the oil guide bile duct.
In order to reduce the weight and the rotation power consumption, the oil guide bile duct further comprises a core tube and a support tube coaxially sleeved outside the core tube, a closed annular space is formed between the support tube and the core tube, an oil guide plate is sleeved on the support tube, the inner wall of the oil guide plate is hermetically connected with the outer wall of the support tube, and the outer wall of the oil guide plate is hermetically connected with the inner wall of the pre-pressing roller body.
Compared with the prior art, the utility model discloses the technological effect who gains does: after the heat conduction oil enters the oil return channel and is guided by a plurality of obliquely arranged oil guide holes which are uniformly distributed on the oil guide plates, the heat conduction oil rotates around the inner wall of the prepressing roller body and flows forwards to the oil return port, so that the heat conduction oil flows spirally, the disturbance effect of fluid is increased, the temperature uniformity is ensured, the defect that the non-woven fabric is not compacted locally due to non-uniform temperature on the surface of the press roller is perfectly overcome, and the product index is greatly improved.
Drawings
FIG. 1 is a schematic structural view of a pre-pressing roller for producing non-woven fabric (reference numerals in the figure represent the flowing direction of heat transfer oil)
Fig. 2 is a schematic structural diagram of an oil duct of a pre-pressing roller for producing non-woven fabrics in an embodiment of the present invention.
Fig. 3 is a schematic structural diagram (side view direction) of an oil duct of a pre-pressing roller for producing non-woven fabrics in an embodiment of the present invention.
Fig. 4 is a sectional view taken in the direction B-B in fig. 3.
The reference numbers in the figures are: 1. the oil inlet structure comprises a pre-pressing roller body, 2 parts of an oil inlet channel, 3 parts of an oil return channel, 4 parts of an oil outlet, 5 parts of an oil return opening, 6 parts of an oil guide plate, 7 parts of an oil guide hole, 8 parts of an oil inlet end shaft head, 9 parts of a solid shaft head, 10 parts of an oil guide bile duct, 101 parts of a core pipe, 102 parts of a support pipe, 11 parts of an oil inlet pipe, 12 parts of a first impact area, 13 parts of a second impact area, 14 parts of an oil inlet and 15 parts of a conical recess.
Detailed Description
The utility model discloses not confine the following embodiment to, general technical personnel in this field can adopt other multiple embodiment to implement according to the utility model discloses a, perhaps all adopt the utility model discloses a design structure and thinking do simple change or change, all fall into the utility model discloses a protection scope. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The specific embodiment of the utility model is shown in fig. 1 to 4, a prepressing roller for non-woven fabric production, which comprises a prepressing roller body 1, wherein an oil inlet channel 2 and an oil return channel 3 are sequentially formed in the prepressing roller body 1 from inside to outside along the axial direction, the oil inlet channel 2 is communicated with the oil return channel 3 through an oil outlet 4 positioned at the right end of the oil inlet channel 2, and an oil inlet 14 of the oil inlet channel 2 and an oil return opening 5 of the oil return channel 3 are both positioned at the left end of the prepressing roller body 1; the oil return passage 3 is annular, a plurality of annular oil guide plates 6 are sequentially arranged in the oil return passage 3 at intervals along the axis direction (the number of the oil guide plates 6 in this embodiment is 4, two of the oil guide plates are respectively arranged at the left end and the right end of the oil guide pipe, oil guide holes 7 penetrating through the left end face and the right end face of the oil guide plate 6 are uniformly formed in the oil guide plate 6 at intervals along the circumferential direction, the oil guide holes 7 are obliquely arranged towards the rotating direction of the pre-pressing roller body 1, and the oil guide plates 6 are sequentially staggered by a certain angle towards the rotating direction from right to left, so that heat conduction oil flows out of the oil return opening 5 towards left around the inner wall of the pre-pressing roller body 1 after being guided by the oil guide plates 6.
Specifically, the left end of the pre-pressing roller body 1 is coaxially provided with a tubular oil inlet end shaft head 8, and the other end of the pre-pressing roller body 1 is provided with a solid shaft head 9; the oil guide plate 6 is arranged in a first annular gap formed between the pre-pressing roller body 1 and the oil guide bile duct 10, an oil inlet pipe 11 is axially arranged in an oil inlet end shaft head 8 in a penetrating mode, the oil inlet pipe 11 is hermetically communicated with the inside of the oil guide bile duct 10 to form the oil inlet channel 2, a second annular gap is formed between the oil inlet pipe 11 and the oil inlet end shaft head 8 at a spacing distance, and the first annular gap is communicated with the second annular gap to form the oil return channel 3.
The left end of the oil guide bile duct 10 is spaced from the right end of the oil inlet end shaft head 8, the right end of the oil guide bile duct 10 is spaced from the left end of the solid shaft head 9, so that impact areas of heat conduction oil at two ends of the oil guide bile duct 10 are formed and are a first impact area 12 and a second impact area 13 respectively, the left end of the solid shaft head is provided with a conical recess 15, and the conical recess 15 is coaxial with the oil inlet channel 2.
In order to reduce the weight and the rotation power consumption, the oil guide bile duct 10 comprises a core tube 101 and a support tube 102 coaxially sleeved outside the core tube 101, a closed annular space is formed between the support tube 102 and the core tube 101, the oil guide plate 6 is sleeved on the support tube 102, the inner wall of the oil guide plate 6 is hermetically connected with the outer wall of the support tube 102, and the outer wall of the oil guide plate 6 is hermetically connected with the inner wall of the pre-pressing roller body 1. The oil guide plate 6 and the oil guide bile duct 10 rotate synchronously with the pre-pressing roller body 1.
When the oil guide device is used, the oil inlet pipe 11 is connected with a heat conduction oil conveying pipeline through a rotary joint, heat conduction oil flows into the core pipe 101 of the oil guide bile duct 10 rightwards through the oil inlet pipe 11, flows out of the oil outlet 4 which is the right end of the core pipe 101 at the right end of the core pipe 101, is buffered by the impact area at the right end, sequentially passes through the 4 oil guide plates 6, is guided by the flow guide holes of the oil guide plates 6, flows spirally in the flow direction, namely, the heat conduction oil rotates around the inner wall of the prepressing roller body 1 to flow back to the impact area at the left side forwards, and flows out of the oil return opening 5 after being buffered. In the flowing process of the heat conduction oil, due to the diversion effect of the diversion plate, the disturbance effect of the fluid is increased, the temperature uniformity is ensured, the defect that the non-woven fabric is not locally compacted due to the uneven temperature on the surface of the compression roller is perfectly overcome, and the product index is greatly improved.
The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.
Claims (5)
1. A pre-pressing roller for non-woven fabric production is characterized in that: the oil return device comprises a pre-pressing roller body (1), wherein an oil inlet channel (2) and an oil return channel (3) are sequentially formed in the pre-pressing roller body (1) from inside to outside along the axial direction, the oil inlet channel (2) is communicated with the oil return channel (3) through an oil outlet (4) positioned at the right end of the oil inlet channel, and an oil inlet (14) of the oil inlet channel (2) and an oil return port (5) of the oil return channel (3) are both positioned at the left end of the pre-pressing roller body (1); oil return passageway (3) are the annular, be equipped with a plurality of annular oil guide plate (6) along axis direction interval in proper order in oil return passageway (3), oil guide plate (6) are gone up around circumference interval and evenly set up oil guide hole (7) that run through oil guide plate (6) left and right sides terminal surface, oil guide hole (7) set up and oil guide plate (6) stagger certain angle to the direction of rotation in proper order from right to left to the direction of rotation slope of pre-compaction roll body (1) for the heat-conducting oil flows oil return opening (5) to left around the inner wall rotation of pre-compaction roll body (1) after oil guide plate (6) water conservancy diversion, oil guide plate (6) and pre-compaction roll body (1) synchronous revolution.
2. The pre-press roll for producing a nonwoven fabric according to claim 1, characterized in that: the left end of the pre-pressing roller body (1) is coaxially provided with a tubular oil inlet end shaft head (8), and the other end of the pre-pressing roller body (1) is provided with a solid shaft head (9); the oil guide device is characterized by further comprising an oil guide bile duct (10) coaxially arranged inside the pre-pressing roller body (1), the oil guide plate (6) is arranged in a first annular gap formed between the pre-pressing roller body (1) and the oil guide bile duct (10), an oil inlet pipe (11) penetrates through the oil inlet end shaft head (8) along the axial direction, the oil inlet pipe (11) is communicated with the inside of the oil guide bile duct (10) in a sealing mode and forms the oil inlet channel (2), a second annular gap is formed between the oil inlet pipe (11) and the oil inlet end shaft head (8) at an interval distance, and the first annular gap is communicated with the second annular gap and forms the oil return channel (3).
3. The pre-press roll for producing a nonwoven fabric according to claim 2, characterized in that: the left end of the oil guide bile duct (10) is spaced from the right end of the oil inlet end shaft head (8) to form a first impact area (12), the right end of the oil guide bile duct (10) is spaced from the left end of the solid shaft head (9) to form a second impact area (13), the left end of the solid shaft head is provided with a conical recess (15), and the conical recess (15) is coaxial with the oil inlet channel (2).
4. The pre-press roll for producing a nonwoven fabric according to claim 2 or 3, characterized in that: the number of the oil guide plates (6) is at least 3, and two of the oil guide plates are respectively arranged at the left end and the right end of the oil guide bile duct (10).
5. The pre-press roll for producing a nonwoven fabric according to claim 2 or 3, characterized in that: the oil guide bile duct (10) comprises a core tube (101) and a support tube (102) coaxially sleeved outside the core tube (101), a closed annular space is formed between the support tube (102) and the core tube (101), an oil guide plate (6) is sleeved on the support tube (102), the inner wall of the oil guide plate (6) is hermetically connected with the outer wall of the support tube (102), and the outer wall of the oil guide plate (6) is hermetically connected with the inner wall of the pre-pressing roller body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215887.XU CN213835797U (en) | 2020-09-30 | 2020-09-30 | Prepressing roll for non-woven fabric production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022215887.XU CN213835797U (en) | 2020-09-30 | 2020-09-30 | Prepressing roll for non-woven fabric production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213835797U true CN213835797U (en) | 2021-07-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022215887.XU Active CN213835797U (en) | 2020-09-30 | 2020-09-30 | Prepressing roll for non-woven fabric production |
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| Country | Link |
|---|---|
| CN (1) | CN213835797U (en) |
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- 2020-09-30 CN CN202022215887.XU patent/CN213835797U/en active Active
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Address after: 213000 No.23 Lingxiang Road, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee after: Jiangsu Jinxinda fiber new material Technology Group Co.,Ltd. Address before: 213000 No.23 Lingxiang Road, Wujin economic development zone, Changzhou City, Jiangsu Province Patentee before: Changzhou Jinxinda fiber new material Co.,Ltd. |