CN207746208U - A kind of cooling water pipe for mill lubrication - Google Patents
A kind of cooling water pipe for mill lubrication Download PDFInfo
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- CN207746208U CN207746208U CN201721891337.1U CN201721891337U CN207746208U CN 207746208 U CN207746208 U CN 207746208U CN 201721891337 U CN201721891337 U CN 201721891337U CN 207746208 U CN207746208 U CN 207746208U
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Abstract
The utility model belongs to metallurgy industry steel rolling equipment technical field, and in particular to a kind of cooling water pipe for mill lubrication.Cooling water pipe described in the utility model is made of water spray curved portion and shank, and cold water channel is arranged inside the cooling water pipe；Multiple hole for water sprayings are set in the water spray curved portion, inlet opening is arranged in the shank lower end, the cold water channel is communicated with the hole for water spraying and the inlet opening, the central axes of the hole for water spraying and the roll outer circle are tangent, angle is identical between the axis of the hole for water spraying, the arc-shaped region to be cooled of the roll is subjected to several deciles, the hole for water spraying is arranged in each Along ent.The cooling water pipe of the utility model can avoid spraying and accidentally spraying phenomenon, it is rapid to reach cooling, wash away the effect of binding, the cooling water pipe of the utility model is using accurate cast aluminium simultaneously, it is not necessarily to pickling antirust treatment with corrosion resistance, autologous density is light but thicker than thin-wall steel tube thickness, the advantages of being hardly damaged in use.
Description
Technical field
The utility model belongs to metallurgy industry steel rolling equipment technical field, and in particular to a kind of cooling for mill lubrication
Water pipe.
Background technology
Milling train belongs to high speed running apparatus, and lubrication is the core and key of milling train.Cooling water pipe is lubrication again
The critical component of equipment, structural schematic diagram are shown in Fig. 1, are communicated with cooling water inside milling train, pass through the injection pair of cooling medium
Roller surface carries out cooling processing, reaches rapid cooling, washes away binding, lubricates milling train, recycles, anti-alkaline, corrosion-resistant
The effect of.Since milling train specification is different from dimension of roller, lubrication water pipe specification disunity is caused, various regions water cooling medium
PH value is different, causes the anti-alkalinity of cooling water pipe and corrosion resistant effect inconsistent.Traditional steel cooling water pipe process
Middle complex process needs shaping jig bend fixing processing (time is long), is followed by cutting, drilling, tapping, welding, pickling (steel
Cooling water pipe antirust treatment) etc. processes.Meanwhile for cooling effect, jet orifice obliquity disunity (has 60 °, 27 °, 26 °), makes
At weld preparation overlong time, when spray cooling water, easy tod produce spray and accidentally spray phenomenon, and attached binding is caused not had
Effect is taken away, and roller surface is still bonded in, and forms the accumulation of revolving part waste material, can not effectively conduct frictional heat, reduces and closes
The temperature for joining part (bearing), causes the generation of the cracking phenomena on rolled piece surface.Domestic many steel enterprises are caused by cooling water pipe problem
Shutdown phenomenon it is very universal.In addition, steel cooling water pipe wall thickness is too thin (too thick molding tube bending jig can not be bent) so that production
Product qualification rate is not high.Therefore, the durability of cooling water pipe is the pursuit emphasis of steel enterprise, and simple for process, simple processing, excellent
The cooling water pipe of jeting effect is the center of gravity of manufacture enterprise research.
Utility model content
The purpose of this utility model is to provide a kind of cooling water pipe for mill lubrication, rationally solves injection cooling, has
Effect washes away binding, lubrication milling train, alkali prevention, corrosion-resistant and cooling water can be recycled for multiple times and reduce the special process ask
Topic.
The realization process of the utility model is as follows：
A kind of cooling water pipe for mill lubrication, the cooling water pipe is made of water spray curved portion and shank, described cold
Cold water channel is but set inside water pipe, the cooling water pipe uses split type structure, the cooling water pipe to be made of two halfbodies,
The halfbody is bolted；
Multiple hole for water sprayings are set in the water spray curved portion, and the hole for water spraying is by the groove group on two halfbodies
At, the shank lower end, inlet opening is set, the inlet opening is cylinder, the cold water channel and the hole for water spraying and it is described into
Water hole communicates, and the central axes of the hole for water spraying and roll outer circle are tangent, and angle is identical between the axis of the hole for water spraying, will be described
The arc-shaped region to be cooled of roll carries out several deciles, the hole for water spraying setting in each Along ent, it is described it is arc-shaped wait for it is cold
But the angle in region is 90~135 °.
Further, a diameter of 50-230mm of the roll outer circle.
Further, by the cooling water pipe in the arc-shaped region to be cooled that the angle of the roll outer circle is 90~135 °
Carry out 6-9 deciles.
Further, the section of the hole for water spraying is rectangle, and the rectangular width is 3-4mm, length 6-12mm；
A diameter of 25-30mm of the inlet opening.
Further, angle is 15-20 ° between the axis of the hole for water spraying.
Further, after the cooling water pipe is intake from inlet opening, water is sprayed by hole for water spraying, and the outer circle along the roll is cut
Line direction cools down the roll.
The manufacturing method of the above-mentioned cooling water pipe for mill lubrication, includes the following steps：
1) it according to angle between the axis of the diameter of the roll, the quantity of the hole for water spraying and the hole for water spraying, uses
Solidworks softwares carry out three-dimensional modeling to the structure and water spray curved portion of cooling water pipe；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, 700-740 DEG C of liquid aluminium alloy casting is poured into, in mold
After being cooled to 380-400 DEG C, the cold outlet pipe casting is taken out in die sinking, and cooled to room temperature molding obtains cooling water pipe casting
Part blank carries out destressing heat treatment to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Binding face, hole for water spraying and the inlet opening of two halfbodies of the cooling water pipe spray arrived carry out Milling Process.
Further, step 3) the aluminium alloy trade mark is ZL101.
Further, 8 hole for water sprayings are set in the water spray curved portion, and the hole for water spraying is by recessed on two halfbodies
Slot forms, and inlet opening is arranged in the shank lower end, and the inlet opening is cylinder, a diameter of 30mm of the cylinder, height
For the thickness of the halfbody, the cold water channel is communicated with the hole for water spraying and the inlet opening, the central axes of the hole for water spraying
Tangent with the roll outer circle, angle is identical between the axis of the hole for water spraying, is 18 °, and arc-shaped by the roll waits for
Cooled region carries out 7 deciles, and the angle of a diameter of 100mm of the roll, the arc-shaped region to be cooled are 126 °, described
Hole for water spraying setting is in each Along ent, and the section of the hole for water spraying is rectangle, and the rectangular width is 3.5mm, length
For 9.5mm.
The good effect of the utility model：
1, the utility model substitutes traditional steel cooling water pipe by using accurate cast aluminium cooling water pipe, enhances product
Hardness, improve that service life extends product benefits from the service life.
2, the utility model is intake from inlet opening using the novel cooling water pipe of accurate cast aluminium along the rotation appearance of roll
Face tangential direction progress spray cooling reaches cooling rapidly, washes away the function of binding the phenomenon that avoiding spray and accidentally sprayed.
3, the utility model increases injection hole count and improves jet quality, has not only reached cooling effect but also has reduced to cooling
The pressure dependence of medium, while accurate cast aluminium can come into operation after pincers worker polishing without mechanical processing, reduce operating personnel
Working strength, improving production efficiency.
4, the cooling water pipe of the utility model using accurate cast aluminium there is corrosion resistance to be not necessarily to pickling antirust treatment, itself
Density is light but thicker than thin-wall steel tube thickness, is hardly damaged in use, achievees the effect that promotion quality is energy-saving.
Description of the drawings
Fig. 1 is the structural schematic diagram of cooling water pipe in the prior art；
Fig. 2 is front view of the utility model for the cooling water pipe of mill lubrication；
Fig. 3 is right view of the utility model for the cooling water pipe of mill lubrication；
Fig. 4 is structural schematic diagram of the utility model for the cooling water pipe Section A-A of mill lubrication；
In figure, 1 water spray curved portion, 2 shanks, 3 cold water channels, the halfbody of 4 cooling water pipes, 5 bolts, 6 hole for water sprayings, 7 water inlets
Hole, 8 rolls, α angles between the axis of hole for water spraying, β are the angle in arc-shaped region to be cooled.
Specific implementation mode
The utility model is described further with reference to embodiment.
In order to effectively spray cooling, wash away binding, lubrication milling train, alkali prevention, corrosion-resistant and can be recycled for multiple times cold
But water and the reduction special process, the utility model provide a kind of cooling water pipe for mill lubrication.
The utility model is used for the cooling water pipe of mill lubrication, sees Fig. 2, Fig. 3 and Fig. 4, the cooling water pipe is by water spray arc
Shape portion 1 and shank 2 form, and cold water channel 3 is arranged inside the cooling water pipe, and the cooling water pipe uses split type structure, institute
It states cooling water pipe to be made of two halfbodies 4, the halfbody 4 is formed by connecting by bolt 5；It is arranged in the water spray curved portion 1 more
A hole for water spraying 6, the hole for water spraying 6 are made of the groove on two halfbodies 4, and inlet opening 7 is arranged in 2 lower end of the shank,
The inlet opening 7 is cylinder, a diameter of 25-30mm of the cylinder, the highly thickness for the halfbody 4, the cold water
Channel 3 is communicated with the hole for water spraying 6 and the inlet opening 7, and the central axes of the hole for water spraying 6 and 8 outer circle of roll are tangent, described
Angle α is identical between the axis of hole for water spraying 6, is 15-20 °, and the arc-shaped region to be cooled of the roll 8 is carried out 6-9 deciles,
The hole for water spraying 6 is arranged in each Along ent, a diameter of 50-230mm of the roll 8, the arc-shaped region to be cooled
Angle β is 90~135 °, and the section of the hole for water spraying 6 is rectangle, and the rectangular width is 3-4mm, length 6-
12mm, after the cooling water pipe is intake from inlet opening 7, water is sprayed by hole for water spraying 6, and the rotating exterior surface along the roll 8 is cut
Line direction cools down the roll 8.
The utility model is intake from inlet opening along the rotating exterior surface of roll using the novel cooling water pipe of accurate cast aluminium
Tangential direction progress spray cooling reaches cooling rapidly, washes away the effect of binding the phenomenon that avoiding spray and accidentally sprayed；Together
When the utility model cooling water pipe using accurate cast aluminium, there is corrosion resistance to be not necessarily to pickling antirust treatment, autologous density it is light but
It is again thicker than thin-wall steel tube thickness, the advantages of being hardly damaged in use.
Manufacturing method of the utility model for the cooling water pipe of mill lubrication, includes the following steps：
1) according to angle α between the axis of the diameter of the roll 8, the quantity of the hole for water spraying 6 and the hole for water spraying 6,
Three-dimensional modeling is carried out to the structure of cooling water pipe and water spray curved portion using Solidworks softwares；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 700-740 DEG C of liquid aluminium alloy casting, the aluminium closes
Gold medal number is ZL101, and after being cooled to 380-400 DEG C in mold, the cold outlet pipe casting is taken out in die sinking, naturally cools to room
Temperature molding, obtains cooling water pipe spray, and destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Binding face, hole for water spraying 6 and the inlet opening 7 of two halfbodies 4 of the cooling water pipe spray arrived carry out Milling Process.
Embodiment 1
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 100mm roll outer circle at, 7 deciles are carried out to the arc-shaped regions to be cooled for being 126 ° angle β,
The section of the then quantity of the hole for water spraying 68, the hole for water spraying 6 is rectangle, and the rectangular width is 3.5mm, length
For 9.5mm, angle α is 18 ° between the axis of the hole for water spraying 6, the central axes of the hole for water spraying 6 and the roll outer circle phase
It cuts, the inlet opening 7 is cylinder, a diameter of 30mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned
Data carry out three-dimensional modeling using Solidworks softwares to the structure of cooling water pipe and water spray curved portion 1；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 700 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 380 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 4 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
Embodiment 2
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 170mm roll outer circle at, 7 deciles are carried out to the arc-shaped regions to be cooled for being 126 ° angle β,
The section of the then quantity of the hole for water spraying 68, the hole for water spraying 6 is rectangle, and the rectangular width is 3mm, and length is
6mm, angle α is 18 ° between the axis of the hole for water spraying 6, and the central axes of the hole for water spraying 6 and the roll outer circle are tangent, institute
It is cylinder to state inlet opening 7, a diameter of 25mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned data,
Three-dimensional modeling is carried out to the structure of cooling water pipe and water spray curved portion 1 using Solidworks softwares；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 740 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 400 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 4 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
Embodiment 3
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 230mm roll outer circle at, 9 deciles are carried out to the arc-shaped regions to be cooled for being 135 ° angle β,
The section of the then quantity of the hole for water spraying 6 10, the hole for water spraying 6 is rectangle, and the rectangular width is 4mm, length
For 12mm, angle α is 15 ° between the axis of the hole for water spraying 6, and the central axes of the hole for water spraying 6 and the roll outer circle are tangent,
The inlet opening 7 is cylinder, a diameter of 28mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned number
According to using Solidworks softwares to the structure of cooling water pipe and the water spray progress three-dimensional modeling of curved portion 1；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 720 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 390 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 3 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
Embodiment 4
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 50mm roll outer circle at, 6 deciles are carried out to the arc-shaped regions to be cooled for being 90 ° angle β, then
The section of the quantity of the hole for water spraying 67, the hole for water spraying 6 is rectangle, and the rectangular width is 3mm, and length is
6mm, angle (α) is 15 ° between the axis of the hole for water spraying 6, and the central axes of the hole for water spraying 6 and the roll outer circle are tangent,
The inlet opening 7 is cylinder, a diameter of 30mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned number
According to using Solidworks softwares to the structure of cooling water pipe and the water spray progress three-dimensional modeling of curved portion 1；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 700 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 380 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 4 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
Embodiment 5
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 140mm roll outer circle at, 6 deciles are carried out to the arc-shaped regions to be cooled for being 120 ° angle β,
The section of the then quantity of the hole for water spraying 67, the hole for water spraying 6 is rectangle, and the rectangular width is 3.5mm, length
For 8mm, angle α is 20 ° between the axis of the hole for water spraying 6, and the central axes of the hole for water spraying 6 and the roll outer circle are tangent,
The inlet opening 7 is cylinder, a diameter of 25mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned number
According to using Solidworks softwares to the structure of cooling water pipe and the water spray progress three-dimensional modeling of curved portion 1；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 730 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 380 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 4 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
Embodiment 6
The manufacturing method of cooling water pipe for mill lubrication, includes the following steps：
1) be diametrically 180mm roll outer circle at, 8 deciles are carried out to the arc-shaped regions to be cooled for being 128 ° angle β,
The section of the then quantity of the hole for water spraying 69, the hole for water spraying 6 is rectangle, and the rectangular width is 4mm, and length is
12mm, angle (α) is 16 ° between the axis of the hole for water spraying 6, and the central axes of the hole for water spraying 6 and the roll outer circle are tangent,
The inlet opening 7 is cylinder, a diameter of 28mm of the cylinder, the highly thickness for the halfbody 4, according to above-mentioned number
According to using Solidworks softwares to the structure of cooling water pipe and the water spray progress three-dimensional modeling of curved portion 1；
2) casting mould is manufactured according to the threedimensional model of step 1) design；
3) the step 2) mold is put into hydraulic pressure moulding machine, pours into 720 DEG C of liquid aluminium alloy casting, the aluminium alloy board
Number it is ZL101, after 390 DEG C are cooled in mold, the cold outlet pipe casting is taken out in die sinking, cooled to room temperature molding,
Cooling water pipe spray is obtained, destressing heat treatment is carried out to the cooling water pipe spray；
4) milling cutter is used to obtain step 3) at room temperature according to the threedimensional model that step 1) designs in vertical machining centre
Two 4 binding faces of halfbody, hole for water spraying 6 and the inlet opening 7 of the cooling water pipe spray arrived carry out Milling Process, obtain this
Cooling water pipe described in utility model.
The above content is further description of the specific preferred embodiment to made by the utility model is combined, no
It can assert that the specific implementation of the utility model is only limitted to these explanations.For the utility model those of ordinary skill in the art
For, without departing from the concept of the premise utility, several simple deduction or replace can also be made, category should be all considered as
In the scope of protection of the utility model.
Claims (8)
1. a kind of cooling water pipe for mill lubrication, it is characterised in that：The cooling water pipe is by water spray curved portion (1) and shank
(2) it forms, setting cold water channel (3) inside the cooling water pipe, the cooling water pipe uses split type structure, the cooling water
Pipe is made of two halfbodies (4), and the halfbody (4) is formed by connecting by bolt (5)；
Multiple hole for water sprayings (6) are set on the water spray curved portion (1), and the hole for water spraying (6) is by two halfbodies (4)
Groove forms, and inlet opening (7) are arranged in shank (2) lower end, and the inlet opening (7) is cylinder, the cold water channel (3) with
The hole for water spraying (6) and the inlet opening (7) communicate, and the central axes of the hole for water spraying (6) and roll (8) outer circle are tangent, described
Hole for water spraying (6) axis between angle (α) it is identical, the arc-shaped region to be cooled of the roll (8) is subjected to several deciles, institute
Hole for water spraying (6) setting is stated in each Along ent, the angle (β) in the arc-shaped region to be cooled is 90~135 °.
2. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：Roll (8) outer circle it is straight
Diameter is 50-230mm.
3. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：By the cooling water pipe described
The arc-shaped region to be cooled that the angle (β) of roll (8) outer circle is 90~135 ° carries out 6-9 deciles.
4. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：The section of the hole for water spraying (6)
For rectangle, the rectangular width is 3-4mm, length 6-12mm；A diameter of 25-30mm of the inlet opening (7).
5. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：The axis of the hole for water spraying (6)
Angle (α) is 15-20 ° between line.
6. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：The cooling water pipe is from water inlet
After the water inlet of hole (7), water is sprayed by hole for water spraying (6), and the outer circle tangential direction along the roll (8) is cooling to the roll (8).
7. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：The cooling water pipe is closed using aluminium
Gold is cast, and the aluminium alloy trade mark is ZL101.
8. being used for the cooling water pipe of mill lubrication according to claim 1, it is characterised in that：On the water spray curved portion (1)
8 hole for water sprayings (6) are set, and the hole for water spraying (6) is made of the groove on two halfbodies (4), shank (2) lower end
It is arranged inlet opening (7), the inlet opening (7) is cylinder, and a diameter of 30mm of the cylinder is highly the halfbody (4)
Thickness, the cold water channel (3) communicates with the hole for water spraying (6) and the inlet opening (7), the axis of the hole for water spraying (6)
Line and the roll (8) outer circle are tangent, and angle (α) is identical between the axis of the hole for water spraying (6), is 18 °, by the roll
(8) arc-shaped region to be cooled carries out 7 deciles, a diameter of 100mm of the roll (8), the arc-shaped region to be cooled
Angle (β) be 126 °, in each Along ent, the section of the hole for water spraying (6) is rectangle, institute for the hole for water spraying (6) setting
It is 3.5mm, length 9.5mm to state rectangular width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891337.1U CN207746208U (en) | 2017-12-28 | 2017-12-28 | A kind of cooling water pipe for mill lubrication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721891337.1U CN207746208U (en) | 2017-12-28 | 2017-12-28 | A kind of cooling water pipe for mill lubrication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207746208U true CN207746208U (en) | 2018-08-21 |
Family
ID=63151152
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721891337.1U Active CN207746208U (en) | 2017-12-28 | 2017-12-28 | A kind of cooling water pipe for mill lubrication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207746208U (en) |
-
2017
- 2017-12-28 CN CN201721891337.1U patent/CN207746208U/en active Active
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