CN220846401U - Roller positioning sealing device and drawing frame - Google Patents
Roller positioning sealing device and drawing frame Download PDFInfo
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- CN220846401U CN220846401U CN202322677126.XU CN202322677126U CN220846401U CN 220846401 U CN220846401 U CN 220846401U CN 202322677126 U CN202322677126 U CN 202322677126U CN 220846401 U CN220846401 U CN 220846401U
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- 238000007789 sealing Methods 0.000 title claims abstract description 108
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 230000000712 assembly Effects 0.000 claims abstract description 41
- 238000000429 assembly Methods 0.000 claims abstract description 41
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 229920000742 Cotton Polymers 0.000 description 8
- 239000000835 fiber Substances 0.000 description 6
- 238000009987 spinning Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 230000003044 adaptive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008094 contradictory effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
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- Spinning Or Twisting Of Yarns (AREA)
Abstract
The utility model discloses a roller positioning sealing device and a drawing frame, wherein the roller positioning sealing device comprises a plurality of roller seat assemblies and a plurality of positioning assemblies, each roller seat comprises two roller seats which are respectively arranged at two ends of a corresponding roller, and a roller pin bearing which is connected with a transmission belt wheel and the roller is arranged in the roller seat; each positioning assembly comprises two positioning plates which are arranged on one side of the corresponding roller stand far away from the roller and comprise positioning parts pressed on the needle roller bearings; the at least one roller seat assembly can move relative to the roller stool assembly, and the two positioning plates of the at least one positioning assembly respectively further comprise sealing parts which extend from the positioning parts to at least one end in the first direction and protrude out of the corresponding roller seats, so that when the roller seat corresponding to the positioning plate is in clearance with the adjacent roller seat, the sealing parts can seal the clearance; the fly short velvet is prevented from being adsorbed on the driving belt wheel and the belt wound on the driving belt wheel through the gap, the service life of the driving assembly is prolonged, and the yarn quality is improved.
Description
Technical Field
The utility model relates to the technical field of textile machinery, in particular to a roller positioning sealing device and a drawing frame.
Background
In the existing spinning process, a drawing frame is an intermediate link in the spinning process, is an indispensable key process for improving the quality of finished yarn. The cotton sliver weight deviation control device has the advantages of effectively controlling cotton sliver weight deviation, improving uniformity, straightening degree and parallelism of fibers, enabling fibers with different qualities to be mixed more uniformly in the cotton sliver, and creating conditions for obtaining good finished yarns.
The existing cotton spinning equipment is high in quality at high speed, a drawing roller of a drawing frame is a key piece of the drawing frame equipment, a bearing connected with the roller is easy to damage, and when the roller bearing is adopted for connection, the inner ring and the outer ring of the roller bearing are of a disengaging structure, so that axial movement easily occurs when the roller runs at high speed; in addition, because the roller rotates at a high speed and is a necessary passage for the fiber, a plurality of short velvet fly easily enter a transmission area, so that a transmission belt wheel is wound up, the short velvet is adsorbed by a belt to climb teeth, mechanical waves, evenness and the like are generated, and the quality of the finished yarn is affected.
Disclosure of utility model
The utility model mainly aims to provide a roller positioning and sealing device and a drawing frame, and aims to solve the problems.
In order to achieve the above object, the present utility model provides a roller positioning and sealing device for a drawing frame, the drawing frame includes a roller stool assembly, a roller assembly, a transmission assembly and a roller positioning and sealing device, the roller positioning and sealing device is mounted on the roller stool assembly, the roller assembly includes a plurality of rollers sequentially spaced along a first direction and respectively extending along a second direction, the transmission assembly includes a plurality of transmission pulley assemblies, each transmission pulley assembly includes two transmission pulleys, the roller positioning and sealing device includes:
The roller stand assemblies are in one-to-one correspondence with the roller assemblies and in one-to-one correspondence with the driving belt wheel assemblies, each roller stand assembly comprises two roller stands which are respectively arranged at two ends of the corresponding roller, needle bearings are respectively arranged in the two roller stands, and the driving belt wheel corresponding to each roller stand is in driving connection with the corresponding roller through the needle bearings; and
The positioning assemblies are in one-to-one correspondence with the roller stand assemblies, each positioning assembly comprises two positioning plates in one-to-one correspondence with the two roller stands of the corresponding roller stand assembly, each positioning plate is fixedly arranged on one side, away from the roller, of the corresponding roller stand, and each positioning plate comprises a positioning part, and the positioning part is pressed on a needle roller bearing in the corresponding roller stand;
the roller seat assembly can move along a first direction relative to the roller stool assembly, the two positioning plates in the at least one positioning assembly respectively further comprise sealing parts, and the sealing parts extend from the positioning parts to at least one end in the first direction and protrude out of the corresponding roller seats, so that when the roller seat corresponding to the positioning plate has a gap with the adjacent roller seat, the sealing parts of the positioning plates can seal the gap;
the first direction and the second direction are perpendicular in the plane.
Optionally, the roller positioning sealing device further comprises two lower sealing plates, the two lower sealing plates are used for being fixedly installed on the roller stool assembly, are respectively arranged on two sides of the roller assembly in the second direction and are respectively positioned on one side, away from the roller, of the corresponding roller seat, and the lower sealing plates are arranged close to the lower end of the roller seat relative to the positioning plates;
each lower sealing plate extends along the first direction and is in sliding connection with a roller stand positioned at the end part in the first direction, so that the roller stand can slide along the first direction relative to the lower sealing plate.
Optionally, the roller assembly comprises a first roller, a second roller and a third roller which are sequentially and alternately distributed along the first direction;
the transmission assembly comprises a first transmission belt pulley assembly, a second transmission belt pulley assembly and a third transmission belt pulley assembly;
The plurality of roller stand assemblies comprise a first roller stand assembly, a second roller stand assembly and a third roller stand assembly, wherein two roller stands of the first roller stand assembly are respectively connected with the first roller bearing and are connected with two transmission belt wheel bearings of the first transmission belt wheel assembly, two roller stands of the second roller stand assembly are respectively connected with the second roller bearing and are connected with two transmission belt wheel bearings of the second transmission belt wheel assembly, and two roller stands of the third roller stand assembly are respectively connected with the third roller bearing and are connected with two transmission belt wheel bearings of the third transmission belt wheel assembly;
The plurality of positioning assemblies comprise a first positioning assembly, a second positioning assembly and a third positioning assembly, wherein the two positioning plates of the first positioning assembly are in one-to-one correspondence with the two roller seats of the first roller seat assembly, the two positioning plates of the second positioning assembly are in one-to-one correspondence with the two roller seats of the second roller seat assembly, and the two positioning plates of the third positioning assembly are in one-to-one correspondence with the two roller seats of the third roller seat assembly;
The first roller seat assembly is fixedly arranged on the roller stool assembly, the second roller seat assembly and the third roller seat assembly can respectively move along the first direction relative to the roller stool assembly, and the two positioning plates of the second positioning assembly and the two positioning plates of the third positioning assembly respectively comprise the sealing part;
Each lower sealing plate is fixedly connected with the roller stand of the corresponding first roller stand assembly and is in sliding connection with the roller stand of the corresponding third roller stand assembly, so that the roller stand of the third roller stand assembly can slide along the first direction relative to the lower sealing plate.
Optionally, the positioning plate of the second positioning assembly includes sealing parts extending from the positioning part to two ends in the first direction and protruding from the second roller stand;
the positioning plate of the third positioning assembly comprises a sealing part which extends from the positioning part of the positioning plate to the second roller seat in the first direction and protrudes out of the third roller seat.
Optionally, in the second direction, the thickness of the positioning plate of the third positioning assembly is greater than the thickness of the positioning plate of the second positioning assembly;
The sealing part of the positioning plate of the third positioning assembly faces one side of the third roller stand to form a containing groove, and the containing groove is provided with a notch facing the positioning plate of the second positioning assembly arranged on the same side of the positioning plate and used for containing the sealing part of the positioning plate of the second positioning assembly.
Optionally, a sliding structure is disposed between each lower sealing plate and the roller stand of the corresponding third roller stand assembly, where the sliding structure includes a protruding portion and a long hole that are in sliding connection, one of the protruding portion and the long hole is disposed on the lower sealing plate, the other is disposed on the roller stand of the third roller stand assembly, and the long hole extends along the first direction.
Optionally, a screw is screwed on the roller stand of the third roller stand assembly, and the convex part is formed on the screw;
Correspondingly, the long holes are formed in the lower sealing plate.
The utility model also provides a drawing frame, which comprises:
A roller stool assembly;
the roller assembly comprises a plurality of rollers which are sequentially distributed at intervals along a first direction and respectively extend along a second direction; and
The roller positioning sealing device is arranged on the roller stool assembly, and the roller assembly is arranged on the roller positioning sealing device;
wherein, roller location sealing device includes:
The roller stand assemblies are in one-to-one correspondence with the roller assemblies and in one-to-one correspondence with the driving belt wheel assemblies, each roller stand assembly comprises two roller stands which are respectively arranged at two ends of the corresponding roller, needle bearings are respectively arranged in the two roller stands, and the driving belt wheel corresponding to each roller stand is in driving connection with the corresponding roller through the needle bearings; and
The positioning assemblies are in one-to-one correspondence with the roller stand assemblies, each positioning assembly comprises two positioning plates in one-to-one correspondence with the two roller stands of the corresponding roller stand assembly, each positioning plate is fixedly arranged on one side, away from the roller, of the corresponding roller stand, and each positioning plate comprises a positioning part, and the positioning part is pressed on a needle roller bearing in the corresponding roller stand;
the roller seat assembly can move along a first direction relative to the roller stool assembly, the two positioning plates in the at least one positioning assembly respectively further comprise sealing parts, and the sealing parts extend from the positioning parts to at least one end in the first direction and protrude out of the corresponding roller seats, so that when the roller seat corresponding to the positioning plate has a gap with the adjacent roller seat, the sealing parts of the positioning plates can seal the gap;
the first direction and the second direction are perpendicular in the plane.
Optionally, the roller stool assembly comprises two roller stools extending along the first direction, and the two roller stools are distributed at intervals along the second direction;
One of two roller stands of each roller stand assembly is arranged on one of the two roller stools, and the other one of the two roller stands of each roller stand assembly is arranged on the other one of the two roller stools;
At least two roller stands of the roller stand assembly are respectively connected with the roller stool corresponding to the roller stand assembly in a sliding way, so that the roller stands can slide along the first direction relative to the roller stool.
Optionally, each roller bench is provided with a chute extending along the first direction, and the lower ends of two roller stands of at least one roller stand assembly are respectively provided with a sliding block, and the sliding blocks are in adaptive sliding connection with the chute.
According to the technical scheme, each roller is driven to rotate through the two corresponding driving pulleys, and the positioning part of each positioning plate is pressed on the needle roller bearing in the corresponding roller seat, so that in the process of rotating the rollers, the needle roller bearings at the two ends of each roller are stressed by the corresponding positioning plate, and the rollers can be controlled to move in the second direction, namely, the two positioning plates of each positioning assembly are arranged to axially position the corresponding roller; meanwhile, the two positioning plates in at least one positioning assembly respectively further comprise sealing parts, the sealing parts extend from the positioning parts to at least one end in the first direction and protrude out of the corresponding roller seats, so that when the roller seat corresponding to the positioning plate and the roller seat adjacent to the roller seat are converted into an interval state (namely a gap is formed) from an abutting state (namely zero gap) through the movement of one of the two roller seats, or the gap is increased, namely when the roller seat corresponding to the positioning plate and the roller seat adjacent to the roller seat have the gap, the sealing parts of the positioning plate can seal the gap, namely the positioning plate is blocked between the gap and the corresponding driving belt wheel, so that fly short velvet can be prevented from being adsorbed on the driving belt wheel and a belt wound on the driving belt wheel through the gap, the service life of the driving assembly is prolonged, and the yarn forming quality is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a drawing frame according to an embodiment of the present utility model;
FIG. 2 is a schematic view of the drawing frame of FIG. 1 from another perspective;
FIG. 3 is a schematic view of a portion of the drawing frame of FIG. 1;
fig. 4 is a front view of the drawing frame of fig. 1;
FIG. 5 is a schematic view of a portion of the drawing frame of FIG. 1;
FIG. 6 is a schematic view of a portion of the drawing frame of FIG. 1;
FIG. 7 is a front view of FIG. 6;
FIG. 8 is a schematic view of a portion of the drawing frame of FIG. 1;
Fig. 9 is a front view of fig. 8;
FIG. 10 is a schematic view of a portion of the drawing frame of FIG. 1;
fig. 11 is a front view of fig. 10.
Reference numerals illustrate:
| Reference numerals | Name of the name | Reference numerals | Name of the name |
| 1000 | Drawing frame | 7 | Lower sealing plate |
| 100 | Roller positioning sealing device | 71 | Long hole |
| 1 | First roller stand assembly | 200 | Roller stool assembly |
| 2 | Second roller stand assembly | 210 | Roller stool |
| 3 | Third roller stand assembly | 211 | Sliding chute |
| 31 | Convex part | 300 | Roller assembly |
| a | Roller stand | 310 | First roller |
| a1 | Needle roller bearing | 320 | Second roller |
| a2 | Sliding block | 330 | Third roller |
| 4 | First positioning component | 400 | Transmission assembly |
| 5 | Second positioning assembly | 410 | First drive pulley assembly |
| 6 | Third positioning component | 420 | Second drive pulley assembly |
| b | Positioning plate | 430 | Third drive pulley assembly |
| b1 | Accommodating groove | c | Driving belt wheel |
The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It should be noted that, if directional indications (such as up, down, left, right, front, and rear … …) are included in the embodiments of the present utility model, the directional indications are merely used to explain the relative positional relationship, movement conditions, etc. between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.
In the existing spinning process, a drawing frame is an intermediate link in the spinning process, is an indispensable key process for improving the quality of finished yarn. The cotton sliver weight deviation control device has the advantages of effectively controlling cotton sliver weight deviation, improving uniformity, straightening degree and parallelism of fibers, enabling fibers with different qualities to be mixed more uniformly in the cotton sliver, and creating conditions for obtaining good finished yarns.
The existing cotton spinning equipment is high in quality at high speed, a drawing roller of a drawing frame is a key piece of the drawing frame equipment, a bearing connected with the roller is easy to damage, and when the roller bearing is adopted for connection, the inner ring and the outer ring of the roller bearing are of a disengaging structure, so that axial movement easily occurs when the roller runs at high speed; in addition, because the roller rotates at a high speed and is a necessary passage for the fiber, a plurality of short velvet fly easily enter a transmission area, so that a transmission belt wheel is wound up, the short velvet is adsorbed by a belt to climb teeth, mechanical waves, evenness and the like are generated, and the quality of the finished yarn is affected.
In view of this, the present utility model provides a drawing frame 1000, fig. 1 to 11 show an embodiment of the drawing frame 1000 provided by the present utility model, referring to fig. 1 to 4, the drawing frame 1000 includes a roller stool assembly 200, a roller assembly 300, a transmission assembly 400 and a roller positioning and sealing device 100, the roller positioning and sealing device 100 is mounted on the roller stool assembly 200, the roller assembly 300 includes a plurality of rollers sequentially spaced along a first direction and respectively extending along a second direction, the transmission assembly 400 includes a plurality of transmission pulley assemblies, each of the transmission pulley assemblies includes two transmission pulleys c, and the main innovation point of the present utility model is the design of the roller positioning and sealing device 100, and the following description will mainly refer to the roller positioning and sealing device 100 in conjunction with the specific drawings.
Referring to fig. 1 to 11, the roller positioning sealing device 100 includes a plurality of roller stand assemblies and a plurality of positioning assemblies, the roller stand assemblies are in one-to-one correspondence with the roller assemblies 300 and in one-to-one correspondence with the driving pulley assemblies, each roller stand a includes two roller stands a respectively disposed at two ends of the corresponding roller, needle bearings are respectively disposed in the two roller stands a, and the driving pulley c corresponding to each roller stand a is in driving connection with the corresponding roller through the needle bearings a1; the positioning assemblies are in one-to-one correspondence with the roller stand assemblies, each positioning assembly comprises two positioning plates b which are in one-to-one correspondence with two roller stands a of the corresponding roller stand assembly, each positioning plate b is fixedly arranged on one side, away from the roller, of the corresponding roller stand a, each positioning plate b comprises a positioning part, and each positioning part is pressed on a needle roller bearing a1 positioned in the corresponding roller stand a; wherein, at least one of the roller stand assemblies is movable along a first direction relative to the roller stool assembly 200, and two positioning plates b in at least one of the positioning assemblies respectively further comprise a sealing part, wherein the sealing part extends from the positioning part to at least one end in the first direction and protrudes out of the corresponding roller stand a, so that when the roller stand a corresponding to the positioning plate b has a gap with the adjacent roller stand a, the sealing part of the positioning plate b can seal the gap; the first direction and the second direction are perpendicular in the plane.
In the technical scheme of the utility model, each roller rotates through the transmission of the two corresponding transmission pulleys c, and the positioning part of each positioning plate b is pressed on the needle roller bearing positioned in the corresponding roller seat a, so that in the process of rotating the roller, the needle roller bearings at the two ends of each roller are stressed by the corresponding positioning plate b, and the roller can be controlled to move in the second direction, namely, the two positioning plates b of each positioning assembly are arranged to axially position the corresponding roller; meanwhile, the two positioning plates b in at least one of the positioning assemblies further comprise sealing portions, the sealing portions extend from the positioning portions at least toward one end in the first direction and protrude out of the corresponding roller seat a, so that when the roller seat a corresponding to the positioning plate b and the roller seat a adjacent to the roller seat a are moved from an abutting state (namely, a zero gap) to an interval state (namely, a gap is formed) or the gap is increased, namely, when the roller seat a corresponding to the positioning plate b and the roller seat a adjacent to the roller seat a have the gap, the sealing portions of the positioning plate b can seal the gap, namely, the positioning plate b is blocked between the gap and the corresponding driving belt pulley c, so that fly short velvet is prevented from being adsorbed on the driving belt pulley c and a belt wound on the driving belt pulley c through the gap, the service life of the driving assembly 400 is prolonged, and the quality of the yarn is improved.
The connection mode of each positioning plate b and the roller stand a corresponding to the positioning plate b is not limited, and the positioning plates can be connected through threads, can be clamped and the like.
Further, referring to fig. 1 to 4, the roller positioning sealing device 100 further includes two lower sealing plates 7, the two lower sealing plates 7 are fixedly mounted on the roller stool assembly 200 and are respectively disposed on two sides of the roller assembly 300 in the second direction and are respectively disposed on a side of the roller seat a corresponding to the two sides away from the roller, and the lower sealing plates 7 are disposed near the lower end of the roller seat a relative to the positioning plate b; each lower sealing plate 7 extends along the first direction and is slidably connected with a roller stand a positioned at an end in the first direction, so that the roller stand a can slide along the first direction relative to the lower sealing plate 7; in this way, the lower sealing plate 7 is used for sealing the lower half of the gap, and forms an upper and lower seal for the gap with the positioning assembly, so that the occurrence probability that the fly short velvet is adsorbed on the driving belt pulley c and the belt wound on the driving belt pulley c through the gap is further reduced, and the service life of the driving assembly 400 is prolonged.
In the present utility model, the number of the transmission assemblies 400, the roller stand assemblies, and the positioning assemblies respectively corresponds to the number of the rollers.
Referring specifically to fig. 1 to 11, in an embodiment of the present utility model, the roller assembly 300 includes three rollers, namely, a first roller 310, a second roller 320 and a third roller 330 sequentially spaced apart along the first direction; correspondingly, the transmission assembly 400 comprises three pulley assemblies, namely a first pulley assembly 410, a second pulley assembly 420 and a third pulley assembly 430; the plurality of roller stand assemblies comprise a first roller stand assembly 1, a second roller stand assembly 2 and a third roller stand assembly 3, wherein two roller stands a of the first roller stand assembly 1 are respectively connected with the first roller 310 bearing and are respectively connected with two transmission pulleys c bearing of the first transmission pulley assembly 410, two roller stands a of the second roller stand assembly 2 are respectively connected with the second roller 320 bearing and are respectively connected with two transmission pulleys c bearing of the second transmission pulley assembly 420, two roller stands a of the third roller stand assembly 3 are respectively connected with the third roller 330 bearing and are respectively connected with two transmission pulleys c bearing of the third transmission pulley assembly 430; the plurality of locating components comprise a first locating component 4, a second locating component 5 and a third locating component 6, wherein two locating plates b of the first locating component 4 are connected with two roller seats a of the first roller seat component 1 in one-to-one correspondence, two locating plates b of the second locating component 5 are connected with two roller seats a of the second roller seat component 2 in one-to-one correspondence, and two locating plates b of the third locating component 6 are connected with two roller seats a of the third roller seat component 3 in one-to-one correspondence.
More specifically, the first roller stand assembly 1 is fixedly mounted on the roller bench assembly 200, the second roller stand assembly 2 and the third roller stand assembly 3 are respectively movable along the first direction relative to the roller bench assembly 200, and the two positioning plates b of the second positioning assembly 5 and the two positioning plates b of the third positioning assembly 6 respectively comprise the sealing portion. That is, the adjustment of the interval between the three roller stands a on the same side is achieved by the movement of the roller stands a of the second roller stand assembly 2 and the roller stands a of the third roller stand assembly 3. More specifically, the movement of the roller stand a of the second roller stand assembly 2 is limited by the roller stand a of the third roller stand assembly 3, that is, when the roller stand a of the second roller stand assembly 2 moves away from the roller stand a of the first roller stand assembly 1, the roller stand a of the third roller stand assembly 3 needs to be driven to move away from the roller stand a of the second roller stand assembly 2 first so as to provide a movement space of the roller stand a of the second roller stand assembly 2, and then the roller stand a of the second roller stand assembly 2 is driven to move.
In this regard, each of the lower sealing plates 7 is fixedly connected to the corresponding roller stand a of the first roller stand assembly 1, and is slidably connected to the corresponding roller stand a of the third roller stand assembly 3, so that the roller stand a of the third roller stand assembly 3 can slide along the first direction relative to the lower sealing plate 7. In this way, the gap between any two adjacent roller stands a among the three roller stands a on the same side is sealed by the lower sealing plate 7.
Further, referring to fig. 1 to 4 and 8 to 11, the positioning plate b of the second positioning assembly 5 includes sealing portions extending from the positioning portion thereof toward both ends in the first direction and protruding from the second roller 320 a; the positioning plate b of the third positioning assembly 6 includes a sealing portion extending from a positioning portion thereof in the first direction toward the second roller 320 a and protruding from the third roller 330 a. In this way, the sealing portion of the positioning plate b of the second positioning assembly 5 may be used to seal the gap between the roller stand a of the second roller stand assembly 2 and the roller stand a of the first roller stand assembly 1, and seal the gap between the roller stand a of the second roller stand assembly 2 and the roller stand a of the third roller stand assembly 3. The sealing part of the positioning plate b of the third positioning assembly 6 can be used for sealing the gap between the roller stand a of the third roller stand assembly 3 and the roller stand a of the second roller stand assembly 2.
Further, in order to meet the production requirement, the positioning effect of each positioning plate b is ensured, and the roller stand a of the second roller stand assembly 2 and the roller stand a of the third roller stand assembly 3 can be in a contact state, namely, a zero gap, and referring to fig. 5, in the second direction, the thickness of the positioning plate b of the third positioning assembly 6 is greater than the thickness of the positioning plate b of the second positioning assembly 5; a receiving groove b1 is formed in a side, facing the third roller 330 seat a, of the sealing portion of the positioning plate b of the third positioning assembly 6, and the receiving groove b1 has a notch formed in a side, facing the positioning plate b of the second positioning assembly 5, which is arranged on the same side as the positioning plate b, for receiving the sealing portion of the positioning plate b of the second positioning assembly 5; in this way, the sealing parts of the two positioning plates b can be arranged in a stacked manner, so that the interference of the sealing parts of the two positioning plates b is avoided, and the roller stand a of the second roller stand assembly 2 and the roller stand a of the third roller stand assembly 3 can be abutted.
Specifically, a sliding structure is disposed between each lower sealing plate 7 and the corresponding roller seat a of the third roller seat assembly 3, and the sliding structure includes a protruding portion 31 and a long hole 71 that are slidably connected, one of the protruding portion 31 and the long hole 71 is disposed on the lower sealing plate 7, the other is disposed on the roller seat a of the third roller seat assembly 3, and the long hole 71 is disposed to extend along the first direction.
More specifically, referring to fig. 3 and 4, the roller stand a of the third roller stand assembly 3 is screwed with a screw, and the protrusion 31 is formed on the screw; correspondingly, the lower sealing plate 7 is provided with the long hole 71.
Specifically, the drawing frame 1000 provided by the present utility model adopts the roller positioning sealing device 100 described above, that is, the drawing frame 1000 has all the technical features of all the embodiments of the roller positioning sealing device 100 described above, that is, all the technical effects brought by all the technical features described above are not described herein again.
Further, referring to fig. 1 to 4, the roller stool assembly 200 includes two roller stools 210 extending along the first direction, and the two roller stools 210 are spaced apart along the second direction; one of two roller stands a of each roller stand assembly is installed on one of the two roller stools 210, and the other one of the two roller stands a of each roller stand assembly is installed on the other one of the two roller stools 210; two roller stands a of at least one roller stand assembly are respectively and slidably connected with the roller stool 210 corresponding to the roller stand assembly, so that the roller stands a can slide along the first direction relative to the roller stool 210.
Further, referring to fig. 2, each roller stool 210 is provided with a sliding groove 211 extending along the first direction, and the lower ends of two roller stands a of at least one roller stand assembly are respectively provided with a sliding block a2, and the sliding blocks a2 are in sliding connection with the sliding grooves 211 in an adaptive manner, so that the roller stands a are in sliding connection with the roller stools 210.
More specifically, in an embodiment of the present utility model, the lower end of the roller stand a of the second roller stand assembly 2 and the lower end of the roller stand a of the third roller stand assembly 3 are both connected with a T-shaped nut through bolts, and the slider a2 is formed on the T-shaped nut. When the gap is required to be adjusted, the T-shaped nut is unscrewed first, the roller stand a is slid, and after the gap is adjusted, namely after the position of the roller stand a is determined, the T-shaped nut is screwed, so that the roller stand a is fixed, and the roller stand a is prevented from displacement in the production process, so that the yarn quality is influenced.
The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.
Claims (10)
1. The utility model provides a roller location sealing device for in drawing frame, the drawing frame includes roller bench subassembly, roller subassembly, drive assembly and roller location sealing device, roller location sealing device install in roller bench subassembly, roller subassembly includes along first direction interval distribution in proper order, and extends a plurality of rollers that set up along the second direction respectively, drive assembly includes a plurality of driving pulley assemblies, each driving pulley assembly includes two driving pulleys, its characterized in that roller location sealing device includes:
The roller stand assemblies are in one-to-one correspondence with the roller assemblies and in one-to-one correspondence with the driving belt wheel assemblies, each roller stand assembly comprises two roller stands which are respectively arranged at two ends of the corresponding roller, needle bearings are respectively arranged in the two roller stands, and the driving belt wheel corresponding to each roller stand is in driving connection with the corresponding roller through the needle bearings; and
The positioning assemblies are in one-to-one correspondence with the roller stand assemblies, each positioning assembly comprises two positioning plates in one-to-one correspondence with the two roller stands of the corresponding roller stand assembly, each positioning plate is fixedly arranged on one side, away from the roller, of the corresponding roller stand, and each positioning plate comprises a positioning part, and the positioning part is pressed on a needle roller bearing in the corresponding roller stand;
the roller seat assembly can move along a first direction relative to the roller stool assembly, the two positioning plates in the at least one positioning assembly respectively further comprise sealing parts, and the sealing parts extend from the positioning parts to at least one end in the first direction and protrude out of the corresponding roller seats, so that when the roller seat corresponding to the positioning plate has a gap with the adjacent roller seat, the sealing parts of the positioning plates can seal the gap;
the first direction and the second direction are perpendicular in the plane.
2. The roller positioning and sealing device according to claim 1, further comprising two lower sealing plates, wherein the two lower sealing plates are fixedly mounted on the roller stool assembly and are respectively arranged on two sides of the roller assembly in the second direction and are respectively positioned on one side, away from the roller, of the corresponding roller stand, and the lower sealing plates are arranged close to the lower end of the roller stand relative to the positioning plate;
each lower sealing plate extends along the first direction and is in sliding connection with a roller stand positioned at the end part in the first direction, so that the roller stand can slide along the first direction relative to the lower sealing plate.
3. The roller positioning and sealing device according to claim 2, wherein the roller assembly comprises a first roller, a second roller and a third roller which are sequentially and alternately distributed along the first direction;
the transmission assembly comprises a first transmission belt pulley assembly, a second transmission belt pulley assembly and a third transmission belt pulley assembly;
The plurality of roller stand assemblies comprise a first roller stand assembly, a second roller stand assembly and a third roller stand assembly, wherein two roller stands of the first roller stand assembly are respectively connected with the first roller bearing and are connected with two transmission belt wheel bearings of the first transmission belt wheel assembly, two roller stands of the second roller stand assembly are respectively connected with the second roller bearing and are connected with two transmission belt wheel bearings of the second transmission belt wheel assembly, and two roller stands of the third roller stand assembly are respectively connected with the third roller bearing and are connected with two transmission belt wheel bearings of the third transmission belt wheel assembly;
The plurality of positioning assemblies comprise a first positioning assembly, a second positioning assembly and a third positioning assembly, wherein the two positioning plates of the first positioning assembly are in one-to-one correspondence with the two roller seats of the first roller seat assembly, the two positioning plates of the second positioning assembly are in one-to-one correspondence with the two roller seats of the second roller seat assembly, and the two positioning plates of the third positioning assembly are in one-to-one correspondence with the two roller seats of the third roller seat assembly;
The first roller seat assembly is fixedly arranged on the roller stool assembly, the second roller seat assembly and the third roller seat assembly can respectively move along the first direction relative to the roller stool assembly, and the two positioning plates of the second positioning assembly and the two positioning plates of the third positioning assembly respectively comprise the sealing part;
Each lower sealing plate is fixedly connected with the roller stand of the corresponding first roller stand assembly and is in sliding connection with the roller stand of the corresponding third roller stand assembly, so that the roller stand of the third roller stand assembly can slide along the first direction relative to the lower sealing plate.
4. A roller positioning sealing device according to claim 3, wherein the positioning plate of the second positioning assembly includes sealing portions extending from the positioning portion thereof toward both ends in the first direction and protruding from the second roller stand;
the positioning plate of the third positioning assembly comprises a sealing part which extends from the positioning part of the positioning plate to the second roller seat in the first direction and protrudes out of the third roller seat.
5. The roller positioning seal as claimed in claim 4 wherein the thickness of the positioning plate of the third positioning assembly is greater than the thickness of the positioning plate of the second positioning assembly in the second direction;
The sealing part of the positioning plate of the third positioning assembly faces one side of the third roller stand to form a containing groove, and the containing groove is provided with a notch facing the positioning plate of the second positioning assembly arranged on the same side of the positioning plate and used for containing the sealing part of the positioning plate of the second positioning assembly.
6. A roller positioning and sealing device according to claim 3, wherein a sliding structure is arranged between each lower sealing plate and the roller stand of the corresponding third roller stand assembly, the sliding structure comprises a convex part and a long hole which are connected in a sliding manner, one of the convex part and the long hole is arranged on the lower sealing plate, the other is arranged on the roller stand of the third roller stand assembly, and the long hole extends along the first direction.
7. The roller positioning and sealing device according to claim 6, wherein the roller stand of the third roller stand assembly is screwed with a screw, and the protrusion is formed on the screw;
Correspondingly, the long holes are formed in the lower sealing plate.
8. A drawing frame, the drawing frame comprising:
A roller stool assembly;
the roller assembly comprises a plurality of rollers which are sequentially distributed at intervals along a first direction and respectively extend along a second direction; and
The roller positioning and sealing device according to any one of claims 1-7, being mounted on the roller stool assembly, the roller assembly being provided on the roller positioning and sealing device;
wherein the first direction and the second direction are perpendicular in a plane.
9. The drawing frame of claim 8, wherein said roller bench assembly comprises two roller benches extending in said first direction, two of said roller benches being spaced apart in said second direction;
One of two roller stands of each roller stand assembly is arranged on one of the two roller stools, and the other one of the two roller stands of each roller stand assembly is arranged on the other one of the two roller stools;
At least two roller stands of the roller stand assembly are respectively connected with the roller stool corresponding to the roller stand assembly in a sliding way, so that the roller stands can slide along the first direction relative to the roller stool.
10. The drawing frame as recited in claim 9 wherein each of said roller stools defines a chute extending in said first direction, and wherein the lower ends of two roller stands of at least one of said roller stand assemblies are each provided with a slider, said slider being adapted for sliding connection with said chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322677126.XU CN220846401U (en) | 2023-09-28 | 2023-09-28 | Roller positioning sealing device and drawing frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322677126.XU CN220846401U (en) | 2023-09-28 | 2023-09-28 | Roller positioning sealing device and drawing frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220846401U true CN220846401U (en) | 2024-04-26 |
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ID=90785392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322677126.XU Active CN220846401U (en) | 2023-09-28 | 2023-09-28 | Roller positioning sealing device and drawing frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220846401U (en) |
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2023
- 2023-09-28 CN CN202322677126.XU patent/CN220846401U/en active Active
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