CN211052195U - Self-lubricating pyramid shaft type winding drum - Google Patents
Self-lubricating pyramid shaft type winding drum Download PDFInfo
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- CN211052195U CN211052195U CN201921817287.1U CN201921817287U CN211052195U CN 211052195 U CN211052195 U CN 211052195U CN 201921817287 U CN201921817287 U CN 201921817287U CN 211052195 U CN211052195 U CN 211052195U
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Abstract
The utility model discloses a self-lubricating pyramid shaft type winding drum, which comprises a pyramid main shaft, a hollow shaft sleeve and a sector plate, wherein the pyramid main shaft penetrates through the hollow shaft sleeve, the sector plate is arranged outside the pyramid main shaft in a sliding connection manner, and the self-lubricating shaft type winding drum is characterized by further comprising a self-lubricating wear-resisting plate and a self-lubricating wear-resisting sleeve; the self-lubricating wear-resistant sleeves are respectively arranged in inner holes at two ends of the hollow shaft sleeve, are matched with the outer circular surface of the pyramid main shaft and can slide relatively; the fan-shaped plate is in sliding connection with the pyramid main shaft through a dovetail structure, a self-lubricating wear-resisting plate is arranged between sliding surfaces of the fan-shaped plate and the pyramid main shaft, and one end face of the self-lubricating wear-resisting plate is in sliding connection with one end face of the hollow shaft sleeve. The utility model discloses structural design is novel, and the mode with spare part at its key wear-resisting position realizes the function of oil-free self-lubricating, and simultaneously, this reel has had very big promotion at product precision and quality, practices thrift at to a great extent customer scene's manpower, use maintenance cost and later stage cost of maintenance.
Description
Technical Field
The utility model belongs to the field of machinery, a cold rolling coiler reel is related to, especially relate to a self-lubricating shaft type reel of cold rolling coiler of high tension.
Background
The coiling drum of the cold rolling coiler and the uncoiler is a key part of a cold rolling production line, and the pyramid shaft type coiling drum is used as a product applied to a high-tension production line aiming at the current industrial situation at home and abroad and high requirements on products produced by a steel mill, and has higher requirements on the strength and the performance of the pyramid shaft type coiling drum under the condition of severe working environment. The existing pyramid spindle type winding drum generally comprises a pyramid spindle, a hollow spindle sleeve, a fan-shaped plate and the like, wherein the pyramid spindle penetrates through the hollow spindle sleeve, the fan-shaped plate is connected to the outer side of the pyramid spindle in a sliding manner, as shown in fig. 4, the fan-shaped plate is generally connected to the outer side of the pyramid spindle in a sliding manner through a T-shaped key and a dovetail key, when in production, the structure bears limited coiling tension and has the problem of serious abrasion, so that at present, wear and tear phenomena existing in mechanical equipment are reduced by frequently using methods such as surfacing welding of wear-resistant copper alloy on sliding surfaces required by the pyramid spindle, the T-shaped key and the dovetail key or using cast wear-resistant copper plates and copper sleeves and the like, but lubricating grease still needs to be filled on site periodically by a client, heat treatment defects can be generated in the surfacing welding of the wear-resistant copper alloy, the processability is poor, the accuracy of the mechanical equipment is also significantly reduced during wear. In addition, the pyramid shaft type winding drum structure has extremely high requirement on the position of the copper sleeve, and simultaneously, the abrasion speed of a surfacing layer and an embedded copper plate of a key part is higher than that of a common cold rolling winding drum due to the fact that the tension and the rolling weight borne by the winding drum are large.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that a shaft type reel of pyramid of self-lubricating is provided, its reliability is high, and the performance is good, and the tension that bears when using is bigger, and the reel precision is better and reel life is higher.
The utility model relates to a self-lubricating pyramid shaft type winding drum, which comprises a pyramid main shaft, a hollow shaft sleeve and a sector plate, wherein the pyramid main shaft penetrates through the hollow shaft sleeve, the sector plate is arranged outside the pyramid main shaft in a sliding connection manner, and the self-lubricating pyramid shaft type winding drum is characterized by further comprising a self-lubricating wear-resisting plate and a self-lubricating wear-resisting sleeve; the self-lubricating wear-resistant sleeves are respectively arranged in inner holes at two ends of the hollow shaft sleeve, are matched with the outer circular surface of the pyramid main shaft and can slide relatively; the fan-shaped plate is in sliding connection with the pyramid main shaft through a dovetail structure, a self-lubricating wear-resisting plate is arranged between sliding surfaces of the fan-shaped plate and the pyramid main shaft, and one end face of the self-lubricating wear-resisting plate is in sliding connection with one end face of the hollow shaft sleeve.
As a technical scheme of the utility model further improve, be provided with the dovetail on the sector plate, be provided with the forked tail portion with forked tail groove looks adaptation on the pyramid main shaft, forked tail portion is arranged in the dovetail, inlays respectively on the inclined plane of this forked tail portion and the bottom surface and is provided with the self-lubricating antifriction plate and pass through the bolt fastening.
As the utility model discloses technical scheme's further improvement, be provided with the adjustment steel sheet between the bottom surface of forked tail portion bottom surface and dovetail, this adjustment steel sheet is inlayed and is fixed in the bottom surface of dovetail.
As the utility model discloses technical scheme's further improvement, through "worker" style of calligraphy bolt sliding connection between a terminal surface of sector plate and the terminal surface of hollow shaft sleeve, sector plate and hollow shaft sheathe in all be provided with the recess of this "worker" style of calligraphy bolt looks adaptation, this "worker" style of calligraphy bolt one end is fixed to be set up in the recess of hollow shaft sleeve, and the other end slides and sets up in the recess of sector plate and is provided with the self-lubricating antifriction plate in this end, still be provided with the self-lubricating antifriction plate between the terminal surface of hollow shaft sleeve and sector plate.
As the utility model discloses technical scheme's further improvement, the material of self-lubricating antifriction plate and self-lubricating wear-resisting cover is carbon fiber self-lubricating abrasive material.
Compared with the prior art, this novel self-lubricating shaft type reel's advantage is:
1. the self-lubricating wear-resistant sleeves in the inner holes at the two ends of the hollow shaft sleeve of the winding drum adopt carbon fiber self-lubricating wear-resistant materials, carbon particles can be separated from the tail end of a body fiber bundle to achieve permanent self-lubricating, the friction coefficient is low, the mechanical property is strong, and the abrasion rate of the position is reduced while a lubricating structure is not required to be added, so that the winding drum is kept in a high-precision state for a long time;
2. in the utility model, the connection structure of the fan-shaped plate and the pyramid main shaft is improved from the original dovetail key and T-shaped key to the dovetail connection structure formed by the dovetail groove and the dovetail part, the dovetail part and the body of the pyramid main shaft are integrated, and compared with the original structure that the dovetail key and the T-shaped key are fixed on the pyramid main shaft by bolts, the device can bear larger torque, namely, the winding drum of the utility model can bear larger tension; meanwhile, the sliding surface between the pyramid spindle and the sector plate is improved from the prior surfacing of wear-resistant aluminum bronze on the T-shaped key and the dovetail key into embedding of self-lubricating wear-resistant plates on the bottom surface and the inclined surface of the dovetail part, the friction coefficient is low, all the self-lubricating wear-resistant plates on the dovetail part bear compressive stress, and the mechanical property is strong;
3. the fan-shaped plate and the hollow shaft sleeve are connected through the I-shaped bolt, the structure is simple, and meanwhile, the sliding surface of the I-shaped bolt is provided with the wear-resistant copper sliding plate, so that the verticality between the outer circular surface of the fan-shaped plate and the end surface of the hollow shaft sleeve can be effectively ensured, namely the cylindricity of the working section of the winding drum is ensured;
4. compared with the common pyramid shaft type winding drum, the method for filling lubricating grease after the aluminum bronze sliding plate and the surfacing wear-resistant copper alloy are additionally arranged is characterized in that the self-lubricating wear-resistant sleeve and the self-lubricating wear-resistant plate made of the carbon fiber self-lubricating wear-resistant material have higher mechanical properties and high machining efficiency, and a unit does not need to be stopped periodically to add lubricating oil, so that the influence on the quality of a steel coil caused by abnormal abrasion of the winding drum and excessive overflowing steel coil due to excessive filling of lubricating oil due to untimely filling of the lubricating oil by a customer;
5. in the utility model, the bottom surface of the dovetail groove is provided with the adjusting steel plate, when the recovery performance of the winding drum is repaired, the thickness of the adjusting steel plate can be adjusted to achieve the purpose of recovering the performance of the winding drum due to the higher cost of the carbon fiber self-lubricating wear-resistant material;
6. the utility model discloses the reel is through structurally optimizing, sets up the vulnerable part at each glide plane, can be when the reel is regularly restoreed, only need to change these vulnerable parts and can realize the recovery of reel precision.
Drawings
Fig. 1 is a schematic view of the structural installation of the middle pyramid main shaft, the hollow shaft sleeve, the self-lubricating wear-resistant sleeve, the sector plate and the like of the present invention;
FIG. 2 is a schematic view of a dovetail connection structure between the sector plate and the pyramid spindle according to the present invention;
FIG. 3 is a schematic view of the connection between the sector plate and the hollow shaft sleeve by the bow-shaped pin according to the present invention;
FIG. 4 is a schematic view of the connection between a sector plate needing lubrication and a pyramid spindle in the prior art;
in the figure: 1: a pyramid main shaft; 2: a hollow shaft sleeve; 3: a self-lubricating wear plate; 4: a sector plate; 5: a self-lubricating wear-resistant sleeve; 6: adjusting a steel plate; 7: i-shaped bolt; 8: a T-shaped bond; 9: a dovetail key; 10: a swallowtail; 11: a dovetail groove.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The parts of the present invention not described in detail are the known techniques of those skilled in the art.
As shown in fig. 1 and 4, the self-lubricating pyramid shaft type winding drum of the present invention is an improvement on the basis of the conventional pyramid shaft type winding drum, the conventional pyramid shaft type winding drum generally includes a pyramid main shaft 1, a hollow shaft sleeve 2, a sector plate 4 and a copper sleeve, etc., the pyramid main shaft 1 penetrates through the hollow shaft sleeve 2, the copper sleeve is disposed in the inner holes at two ends of the hollow shaft sleeve 2, the inner side of the copper sleeve is matched with the outer circular surface of the pyramid main shaft 1 and can slide relatively, the sector plate 4 is connected to the outer side of the pyramid main shaft 1 by a T-shaped key 8 and a dovetail key 9 in a sliding manner, in order to reduce the abrasion of the sliding surface of the conventional winding drum, the copper sleeve is generally made of cast aluminum bronze, the abrasion is large, the effect is poor, meanwhile, a deep hole is required to be designed on the hollow shaft sleeve 2 as the lubricating grease of the copper sleeve at the position, the, the wear-resistant aluminum bronze alloy needs to be surfacing welded on sliding surfaces of the T-shaped key 8 and the dovetail key 9, heat treatment defects can be generated in the surfacing process, the machinability is poor, and great hidden danger exists on the quality of a winding drum.
As shown in fig. 1 to 3, the self-lubricating pyramid shaft type winding drum of the present invention includes a pyramid main shaft 1, a hollow shaft sleeve 2, a self-lubricating wear-resistant plate 3, a sector plate 4 and a self-lubricating wear-resistant sleeve 5; the pyramid main shaft 1 penetrates through the hollow shaft sleeve 2 and is guided by a spline or a positioning key, and the sector plate 4 is arranged on the outer side of the pyramid main shaft 1 in a sliding connection manner; the self-lubricating wear-resistant sleeves 5 are respectively arranged in inner holes at two ends of the hollow shaft sleeve 2, are matched with the outer circular surface of the pyramid main shaft 1 and can slide relatively; the fan-shaped plate 4 is in sliding connection with the pyramid spindle 1 through a dovetail structure, a self-lubricating wear-resisting plate 3 is arranged between sliding surfaces of the fan-shaped plate and the pyramid spindle, and one end face of the fan-shaped plate is in sliding connection with one end face of the hollow shaft sleeve 2. In this embodiment, the coaxiality and the dimensional accuracy of the two self-lubricating wear-resistant sleeves 5 concern the whole runout accuracy of the winding drum of the present invention, and here, the self-lubricating wear-resistant sleeves 5 and the self-lubricating wear-resistant sleeves 3 are made of carbon fiber self-lubricating wear-resistant materials, such as HYC520 carbon fiber self-lubricating pressure-resistant wear-resistant materials of the constant sliding bearing company of haian county or the carbon fiber self-lubricating wear-resistant materials of the bearrcomp carbon fiber of the SMS company, which are mainly characterized by excellent mechanical properties, extremely excellent chemical corrosion resistance, low friction coefficient (0.01-0.3) and self-lubricating properties, the density of the carbon fiber materials is only 1.48g/cm3, tensile strength is 220N/mm2, bending strength is 307N/mm2, compressive strength is 510N/mm2, excellent mechanical properties meet the use of a high-tension winding drum, and by using the self-lubricating properties, we can reduce the lubricating devices in, the cost of field use and maintenance is reduced.
In this embodiment, the dovetail groove 11 is arranged on the sector plate 4, the dovetail part 10 matched with the dovetail groove 11 is arranged on the pyramid spindle 1, the dovetail part 10 is arranged in the dovetail groove 11, the self-lubricating wear plates 3 are respectively embedded on the inclined surface and the bottom surface of the dovetail part 10 and fixed by bolts, relative sliding between the sector plate 4 and the pyramid spindle 1 is realized by the structure, in the structure, the respective lubricating wear plates 3 embedded on the dovetail part 10 all bear the pressure stress brought by the sector plate 4, the dovetail part 10 on the pyramid spindle 1 and the body of the pyramid spindle 1 are of an integral structure, compared with the traditional winding drum in which the independent T-shaped key 8 and the dovetail key 9 are fixed on the pyramid spindle by bolts, the pyramid spindle 1 of the integral structure can bear larger reeling force; and, self-lubricating antifriction plate 3 passes through the bolt fastening on pyramid main shaft 1, in the reel is regularly restoreed, can realize the mesh of recovering the reel performance through changing self-lubricating antifriction plate 3.
Further, in the present embodiment, an adjusting steel plate 6 is provided between the bottom surface of the dovetail 10 and the bottom surface of the dovetail groove 11, and the adjusting steel plate 6 is fixedly fitted into the bottom surface of the dovetail groove 11.
In this embodiment, be "worker" style of calligraphy bolt 7 sliding connection of "worker" style of calligraphy through the cross-section between an end face of sector plate 4 and the terminal surface of hollow shaft sleeve 2, all be provided with the recess with this "worker" style of calligraphy bolt 7 looks adaptation on sector plate 4 and the hollow shaft sleeve 2, this "worker" style of calligraphy bolt 7 one end is fixed to be set up in the recess of hollow shaft sleeve 2, and the other end slides and sets up in the recess of sector plate 4 and is provided with self-lubricating antifriction plate 3 at this end, and self-lubricating antifriction plate 3 here passes through the bolt fastening on "worker" style of calligraphy bolt 7, and further, still be provided with self-lubricating antifriction plate 3 between the end face of hollow shaft sleeve 2 and sector plate 4. In this structure, relative slip between sector plate 4's the terminal surface and hollow shaft sleeve 2's the terminal surface, the recess contact surface relative slip of "worker" style of calligraphy bolt 7 and sector plate 4, add self-lubricating antifriction plate 3 in these two places, these self-lubricating antifriction plate 3's size tolerance can direct influence the cylindricity of reel working section, there is very big influence to the quality of end product coil of strip, the coiler reel is in high pressure usually, many dirt, the environment of many dregs, it is higher to the performance requirement of self-lubricating antifriction plate 3, especially self-lubricating antifriction plate 3's anti chemical attack ability, and set up self-lubricating antifriction plate 3 that this kind of carbon fiber self-lubricating wear-resistant material made and compare conventional method and had very big promotion in the result of use.
The utility model relates to an axial reel of self-lubricating pyramid structurally compares the grease lubrication function who cancels each spare part with the axial reel of conventional pyramid, and the axial reel of self-lubricating pyramid need not to add the structure of filling lubricating grease at each glide plane promptly, and the lubrication at each relative slip position of reel is whole to be relied on the self-lubricating characteristic of each self-lubricating spare part. In the use process of the winding drum, the abnormal winding drum state caused by human factors is effectively reduced, and meanwhile, the maintenance cost of the winding drum with the pyramid shaft in use is reduced.
In a word, the novel winding drum is reasonable in structure, and the using effect is greatly improved in a high-tension production line; the self-lubricating pyramid shaft type winding drum has more reasonable and refined structure no matter the winding drum is processed and manufactured, used, maintained and repaired; the service life of the winding drum is greatly prolonged, and the steel rolling quantity of the winding drum is increased.
The above is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.
Claims (5)
1. A self-lubricating pyramid shaft type winding drum comprises a pyramid main shaft (1), a hollow shaft sleeve (2) and a sector plate (4), wherein the pyramid main shaft (1) penetrates through the hollow shaft sleeve (2), and the sector plate (4) is arranged on the outer side of the pyramid main shaft (1) in a sliding connection mode and is characterized by further comprising a self-lubricating wear-resisting plate (3) and a self-lubricating wear-resisting sleeve (5); the self-lubricating wear-resistant sleeves (5) are respectively arranged in inner holes at two ends of the hollow shaft sleeve (2), are matched with the outer circular surface of the pyramid main shaft (1) and can slide relatively; the fan-shaped plate (4) is in sliding connection with the pyramid spindle (1) through a dovetail structure, a self-lubricating wear-resisting plate (3) is arranged between sliding surfaces of the fan-shaped plate and the pyramid spindle, and one end face of the self-lubricating wear-resisting plate is in sliding connection with one end face of the hollow shaft sleeve (2).
2. The self-lubricating pyramid shaft type winding drum as claimed in claim 1, wherein the fan-shaped plate (4) is provided with a dovetail groove (11), the pyramid main shaft (1) is provided with a dovetail part (10) matched with the dovetail groove (11), the dovetail part (10) is arranged in the dovetail groove (11), and self-lubricating wear plates (3) are embedded on the inclined surface and the bottom surface of the dovetail part (10) respectively and are fixed through bolts.
3. The self-lubricating pyramid shaft type winding drum as claimed in claim 2, wherein an adjusting steel plate (6) is arranged between the bottom surface of the dovetail part (10) and the bottom surface of the dovetail groove (11), and the adjusting steel plate (6) is fixedly embedded in the bottom surface of the dovetail groove (11).
4. A self-lubricating pyramid shaft type winding drum as claimed in claim 1, wherein one end face of the sector plate (4) is slidably connected with one end face of the hollow shaft sleeve (2) through an i-shaped bolt (7), the sector plate (4) and the hollow shaft sleeve (2) are provided with grooves matched with the i-shaped bolt (7), one end of the i-shaped bolt (7) is fixedly arranged in the groove of the hollow shaft sleeve (2), the other end of the i-shaped bolt is slidably arranged in the groove of the sector plate (4) and is provided with the self-lubricating wear-resisting plate (3), and the self-lubricating wear-resisting plate (3) is further arranged between the end faces of the sector plate (4) and the hollow shaft sleeve (2).
5. A self-lubricating pyramid shaft type winding drum as claimed in claim 1, wherein the self-lubricating wear-resisting plate (3) and the self-lubricating wear-resisting sleeve (5) are made of carbon fiber self-lubricating wear-resisting materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817287.1U CN211052195U (en) | 2019-10-25 | 2019-10-25 | Self-lubricating pyramid shaft type winding drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817287.1U CN211052195U (en) | 2019-10-25 | 2019-10-25 | Self-lubricating pyramid shaft type winding drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211052195U true CN211052195U (en) | 2020-07-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921817287.1U Active CN211052195U (en) | 2019-10-25 | 2019-10-25 | Self-lubricating pyramid shaft type winding drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211052195U (en) |
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2019
- 2019-10-25 CN CN201921817287.1U patent/CN211052195U/en active Active
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