CN113070360B - Cooling correction tool and correction method for extruded section of double-hole die - Google Patents
Cooling correction tool and correction method for extruded section of double-hole die Download PDFInfo
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- CN113070360B CN113070360B CN202110263661.3A CN202110263661A CN113070360B CN 113070360 B CN113070360 B CN 113070360B CN 202110263661 A CN202110263661 A CN 202110263661A CN 113070360 B CN113070360 B CN 113070360B
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- 238000001816 cooling Methods 0.000 title claims abstract description 61
- 238000012937 correction Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 110
- 239000000463 material Substances 0.000 claims abstract description 19
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 abstract description 12
- 239000000498 cooling water Substances 0.000 abstract description 10
- 238000001125 extrusion Methods 0.000 description 7
- 238000007599 discharging Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 230000001276 controlling effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012797 qualification Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
- B21C29/003—Cooling or heating of work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
- B21C35/02—Removing or drawing-off work
- B21C35/03—Straightening the work
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to the field of machinery. A cooling and correcting tool for extruded profiles of a double-hole die comprises a water cooling trough and a profile fixing device, wherein the profile fixing device is arranged in the water cooling trough; the section fixing device comprises a correction base and two groups of guide roller groups which are arranged in a left-right mirror symmetry mode, each group of guide roller groups comprises a left roller unit, a right roller unit and a top roller, all rollers in the guide roller groups are arranged on the correction base, and in the same group of guide roller groups, the top roller is positioned above the area between the left roller unit and the right roller unit; the water pipe tool comprises two branch pipelines which are arranged left and right, and the two branch pipelines are respectively used for cooling the two sectional materials; the water outlet end of the branch pipeline is adjacent to the section bar inserting feed end on the water cooling groove. This patent control section bar is in the bending that the horizontal and luffing motion arouses of passing water cooling water tank, has reduced deformation.
Description
Technical Field
The invention relates to the technical field of machinery, in particular to an extruded section correction tool.
Background
With the development of aluminum alloy extrusion technology, extrusion with dual-hole and multi-hole dies has become a great trend. In order to reduce the subsequent processing procedures of extrusion forming of the aluminum alloy, higher and tighter technical requirements on extrusion forming size and tolerance are provided.
In order to improve the forming effect of the double-hole die, after the double-hole forming die is extruded to form a formed material, a cooling procedure is required, and air cooling and water through cooling are common cooling modes at present. Wherein, the air cooling can ensure better appearance, but has insufficient cooling strength, which is not enough to meet the requirement of section material performance strength. The through water cooling can obtain higher cooling strength, but has cooling deformation which is not enough to meet the size requirement of the section.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a cooling and correcting tool for a double-hole die extruded section, which aims to solve the technical problem that the section is easy to deform during water cooling in the prior art.
The invention also provides a correction method of the double-hole die extruded section cooling correction tool, so as to solve the technical problem that the existing section is easy to deform during water cooling.
The technical scheme of the invention is as follows: a cooling and correcting tool for extruded profiles of a double-hole die comprises a through water cooling water tank and is characterized by further comprising at least two profile fixing devices which are arranged from front to back, wherein the profile fixing devices are installed in the through water cooling water tank;
the section fixing device comprises a correction base and two groups of guide roller groups which are arranged in a left-right mirror symmetry manner, wherein the two groups of guide roller groups are used for guiding the traveling directions of the two sections;
each group of guide roller groups comprises a left roller unit for guiding the left side of the section bar, a right roller unit for guiding the right side of the section bar and a top roller for limiting the top of the section bar, each of the left roller unit and the right roller unit comprises at least two rollers which are sequentially arranged from front to back, the central axes of the rollers of the left roller unit and the right roller unit are in the vertical direction, and the central axis of the top roller is in the left-right direction;
all rollers in the guide roller group are arranged on the correction base, and in the same guide roller group, the top roller is positioned above the area between the left roller unit and the right roller unit;
the water pipe tool comprises two branch pipelines which are arranged left and right, and the two branch pipelines are respectively used for cooling two sectional materials;
the water outlet end of the branch pipeline is adjacent to the section bar inserting feed end on the water-through cooling groove;
the water pipe tool further comprises a water pipe support frame arranged on the water cooling trough, and a guide groove used for guiding the left and right movement of the discharge end of the branch pipeline is formed in the water pipe support frame;
the branch pipelines are fixed on the water pipe supporting frame through bolts;
the branch pipeline is provided with a regulating valve near the water outlet end.
This patent passes through section bar fixing device, has realized the guide and spacing of section bar at the in-process of advancing, and the bending that the luffing motion arouses is controlled about the section bar in the water cooling tank, has reduced deformation.
Through the water pipe tool, the discharging state is controlled. The bending of the section bar discharging is controlled by the left-right movement of the discharging end of the branch pipeline.
3 bars and 6 long materials are extruded in a trial mode, 10 finished products are produced from each long material and are straightened by a traditional straightening machine, the qualified rate can be increased to 94.17%, the reject ratio is reduced to 5.83%, and the qualified rate of the finished products can be greatly increased according to customer requirements. However, after the traditional water cooling tank is cooled and straightened by the traditional straightener, the yield is only 38.33 percent, wherein the poor ratio of left-right bending and up-down bending is as high as 61.67 percent.
Further preferably, the two groups of guide roller groups which are arranged in mirror symmetry are a first guide roller group and a second guide roller group respectively;
the right roller unit of the first guide roller group and the left roller unit of the second guide roller group can be detachably mounted on the correcting base;
the left roller unit of the first guide roller group and the right roller unit of the second guide roller group are arranged on the correcting base in a left-right sliding mode.
Is convenient for being suitable for the section bars with different widths.
Further preferably, a left roller unit of the first guide roller group is mounted on a left sliding table, and a guide mechanism for guiding the left sliding table to slide left and right is mounted on the correction base;
the left sliding table is rotatably connected with a left screw, a left supporting block in threaded connection with the left screw is mounted on the correction base, and a left adjusting knob is mounted at the end of the left screw;
the right roller unit of the second guide roller group is arranged on the right sliding table, and the correcting base is provided with a guide mechanism for guiding the right sliding table to slide left and right;
the right side slip table rotates with a right side screw rod to be connected, install threaded connection on the correction base the right supporting shoe of right side screw rod, right adjust knob is installed to the tip of right side screw rod.
The position adjustment of the idler wheel in the left and right directions is convenient to realize.
Preferably, the left screw is further in threaded connection with limit nuts which abut against two sides of the left supporting block;
and the right screw is also in threaded connection with a limit nut which props against the two sides of the right supporting block.
Preferably, the correcting base is provided with a notch for rotating the left adjusting knob and a notch for rotating the right adjusting knob.
Further preferably, the water cooling device also comprises a supporting underframe, wherein the supporting underframe is arranged in the water cooling trough;
the left end and the right end of the correcting base are U-shaped supporting frames with downward openings, and the U-shaped supporting frames are connected with the supporting base frames in an inserting mode.
The whole device is convenient to realize and is arranged in the water cooling trough in a suspension way.
Further preferably, an antifriction layer for supporting the section bar is arranged on the correction base. The antifriction layer is a felt layer.
It is further preferred that there are at least three profile fastening devices, and the distance between adjacent profile fastening devices is 0.8m to 1.1m.
Further preferably, the front side and the rear side of the profile fixing device are provided with supporting rollers, and the supporting rollers abut against the bottom of the profile.
Further preferably, the water outlet end of the branch pipe is 1-3CM away from the upper surface of the profile and is centered.
The correction method of the double-hole die extruded section cooling correction tool is characterized in that the water flow of a branch pipeline is controlled to be 2.0-3.0ml/s, and the water outlet end of the branch pipeline is 1-3CM away from the upper surface of a section and is centered;
if the left side of the two extruded profiles is bent leftwards and the right side of the two extruded profiles is bent rightwards, the water outlet end of the branch pipeline on the left side needs to be moved rightwards, and the water outlet end of the branch pipeline on the right side needs to be moved leftwards;
if the left side of the two extruded profiles is bent rightwards and the right side is bent leftwards, the water outlet end of the branch pipeline on the left side needs to be moved leftwards and the water outlet end of the branch pipeline on the right side needs to be moved rightwards;
if the left side of the two extruded profiles is bent leftwards and the right side is bent leftwards, the water outlet end of the branch pipeline on the left side needs to be moved rightwards, and the water outlet end of the branch pipeline on the right side needs to be moved rightwards;
if the left side of the two extruded profiles bends rightwards, and the right side bends rightwards, the water outlet end of the branch pipeline on the left side needs to be moved leftwards, and the water outlet end of the branch pipeline on the right side needs to be moved leftwards.
After the effect is adjusted, the two profiles at the inlet, the middle and the outlet are controlled to be separated by 5 +/-1 cm.
Drawings
FIG. 1 is a schematic structural view of a section bar fixing device according to the present invention;
FIG. 2 is a schematic view of a structure of the fixing device for sectional materials of the present invention installed in a water-cooled trough;
FIG. 3 is a schematic structural view of the water pipe fixture according to the present invention;
fig. 4 is a top view of the present invention.
In the figure: 2 for the alignment foundation, 3 be the U-shaped carriage, 4 be left adjust knob, 5 be left supporting shoe, 6 be the section bar, 7 be the support chassis, 8 be the flowmeter, 9 be the main line, 10 be the water pump, 11 be left side gyro wheel unit, 12 be right side gyro wheel unit, 13 be the top gyro wheel, 15 be the lateral conduit, D is the water pipe frock, E is section bar fixing device, F is the through-water cooling basin, G is supporting roller.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1 to 4, in embodiment 1, a cooling and calibrating tool for extruded section of a double-hole die comprises a water cooling trough,
the water cooling water tank is characterized by also comprising at least two section fixing devices which are arranged from front to back, wherein the section fixing devices are arranged in the water cooling water tank; the section fixing device comprises a correction base 14 and two groups of guide roller groups which are arranged in a left-right mirror symmetry manner, wherein the two groups of guide roller groups are used for guiding the traveling directions of the two sections 6; each group of guide roller groups comprises a left roller unit 11 for guiding the left side of the profile, a right roller unit 12 for guiding the right side of the profile and a top roller 13 for limiting the top of the profile, each of the left roller unit 11 and the right roller unit 12 comprises at least two rollers which are sequentially arranged from front to back, the central axes of the rollers of the left roller unit 11 and the right roller unit 12 are in the vertical direction, and the central axis of the top roller 13 is in the left-right direction; all rollers in the guiding roller group are arranged on the correcting base, and in the same guiding roller group, the top roller 13 is positioned above the area between the left roller unit 11 and the right roller unit 12;
the water pipe tool comprises two branch pipelines which are arranged left and right, and the two branch pipelines are respectively used for cooling the two sectional materials; the water outlet end of the branch pipeline is adjacent to the section bar inserted into the feed end on the water cooling tank; the water pipe tool also comprises a water pipe supporting frame arranged on the water cooling water tank, and a guide groove used for guiding the left and right movement of the discharge end of the branch pipeline is formed in the water pipe supporting frame; the branch pipelines are fixed on the water pipe supporting frame through bolts; the branch pipeline is provided with a regulating valve near the water outlet end. This patent passes through section bar fixing device, has realized the guide and spacing of section bar at the advancing process, and the crooked that the control section bar left and right sides and luffing motion arouse in the water cooling tank has reduced deformation. Each branch line is provided with a flow meter 8. The water pipe tool comprises a water pump 10 and a main pipeline 9, a water outlet of the water pump 10 is connected with the main pipeline 9, and the main pipeline 9 is communicated with a branch pipeline 15. The distance between the water outlet end of the branch pipeline of the water pipe tool and the insertion and feeding end of the section bar on the water-through cooling groove is 4.8cm-5.2cm.
Through the water pipe tool, the discharging state is controlled. The bending of the section bar discharging is controlled by the left-right movement of the discharging end of the branch pipeline.
3 bars and 6 long materials are extruded in a trial mode, 10 finished products are produced from each long material and are straightened by a traditional straightening machine, the qualified rate can be increased to 94.17%, the reject ratio is reduced to 5.83%, and the qualified rate of the finished products can be greatly increased according to customer requirements. However, after the traditional water cooling tank is cooled and straightened by the traditional straightener, the yield is only 38.33 percent, wherein the poor ratio of left-right bending and up-down bending is as high as 61.67 percent.
The two groups of guide roller groups which are arranged in mirror symmetry at left and right are respectively a first guide roller group and a second guide roller group; the right roller unit 12 of the first guide roller group and the left roller unit 11 of the second guide roller group can be detachably mounted on the correcting base; the left roller unit 11 of the first guide roller group and the right roller unit 12 of the second guide roller group are arranged on the correcting base in a left-right sliding mode. Is convenient for being suitable for the section bars with different widths.
A left roller unit 11 of the first guide roller group is arranged on the left sliding table, and a guide mechanism for guiding the left sliding table to slide left and right is arranged on the correction base; the left sliding table is rotationally connected with a left screw, a left supporting block 5 in threaded connection with the left screw is installed on the correction base, and a left adjusting knob 4 is installed at the end part of the left screw; a right roller unit 12 of the second guide roller group is arranged on the right sliding table, and a guide mechanism for guiding the right sliding table to slide left and right is arranged on the correction base; the right side slip table rotates with a right side screw rod to be connected, corrects and installs the right supporting shoe of threaded connection right side screw rod on the base, and right adjust knob is installed to the tip of right side screw rod. The position adjustment of the idler wheel in the left and right directions is convenient to realize. The left screw is also in threaded connection with limit nuts which are used for propping against the two sides of the left supporting block 5; and the right screw rod is also in threaded connection with a limit nut which is used for propping against the two sides of the right supporting block. The correction base is provided with a notch for the rotation movement of the left adjusting knob 4 and a notch for the right adjusting rotation movement.
The water cooling device also comprises a supporting underframe 7, wherein the supporting underframe 7 is arranged in the water cooling trough; the left end and the right end of the correcting base are U-shaped supporting frames 3,U with downward openings, and the supporting frames 3 are inserted with the supporting underframe 7. The whole device is convenient to realize and is arranged in the water cooling trough in a suspension way.
An antifriction layer for supporting the section bar is arranged on the correction base. The friction reducing layer is a felt layer.
The section bar fixing devices E are at least three, and the distance between every two adjacent section bar fixing devices E is 0.8-1.1 m. Supporting rollers G are arranged on the front side and the rear side of the section fixing device E and abut against the bottom of the section.
The distance between the water outlet end of the branch pipeline of the water pipe tool D and the front and back direction of the insertion feed end of the section bar on the water-through cooling groove F is 4.8cm-5.2cm. The water outlet end of the branch pipeline is 1-3CM away from the upper surface of the sectional material and is centered.
The through water cooling water tank F is provided with a water inlet and a water return port, the water return port is communicated with the water inlet of the cooling water tower, and the water outlet of the cooling water tower is communicated with the inlet of the water pump. The liquid level of the through water cooling water tank F is 10cm higher than the upper surface of the section.
Trial extrusion is carried out on 3 bars and 6 long materials, 10 finished products are discharged from each long material and are straightened by a traditional straightener, and the total inspection data is as follows: (surface A is the left and right sides, surface B is the top and bottom sides.)
To sum up, adopt this patent structure, can improve the qualification rate and be 94.17%, the defective rate reduces to 5.83% and can satisfy the customer and require great range improvement finished product qualification rate.
Comparative experimental example:
before the structure of this patent is not increased, 3 sticks of trial extrusion, 6 long material, 10 finished product materials of every long material play to carry out the alignment through traditional straightener, examine the data as follows entirely: (surface A is the left and right side, surface B is the top and bottom side.)
In conclusion, the data are as follows: the yield is only 38.33 percent, wherein the poor proportion of left-right bending and up-down bending is as high as 61.67 percent, and the requirement of a customer can not be met through a normal extrusion water-passing process.
To sum up: 3 bars and 6 long materials are extruded in a trial mode, 10 finished products are produced from each long material and are straightened by a traditional straightening machine, the qualified rate can be increased to 94.17%, the reject ratio is reduced to 5.83%, and the qualified rate of the finished products can be greatly increased according to customer requirements. However, after the traditional water cooling tank is cooled and straightened by the traditional straightener, the yield is only 38.33 percent, wherein the poor ratio of left-right bending and up-down bending is as high as 61.67 percent.
The correction method of the double-hole die extruded section cooling correction tool comprises the steps of controlling the water flow of a branch pipeline to be 2.0-3.0ml/s, and controlling the water outlet end of the branch pipeline to be 1-3CM away from the upper surface of a section and be centered;
if the left side of the two extruded profiles is bent leftwards and the right side of the two extruded profiles is bent rightwards to form a shape of a plus, the water outlet end of the branch pipeline on the left side needs to be moved rightwards, and the water outlet end of the branch pipeline on the right side needs to be moved leftwards;
if the left side of the two extruded profiles is bent to the right and the right side is bent to the left, the profiles are shaped like a Chinese character 'ji', the water outlet end of the branch pipeline at the left side needs to be moved to the left, and the water outlet end of the branch pipeline at the right side needs to be moved to the right;
if the left side of the two extruded profiles is bent leftwards, the right side of the two extruded profiles is bent leftwards and is in a shape of a Chinese character '(' shape, the water outlet end of the branch pipeline positioned on the left side needs to be moved rightwards, and the water outlet end of the branch pipeline positioned on the right side needs to be moved rightwards;
if the left side of the two extruded profiles is curved to the right and the right side is curved to the right, in "))", the outlet end of the branch line on the left side is moved to the left and the outlet end of the branch line on the right side is moved to the left.
The moving amount of the water outlet end of the branch pipeline is 5mm when the water outlet end is adjusted each time.
After the effect is adjusted, the two profiles at the inlet, the middle and the outlet are controlled to be separated by 5 +/-1 cm.
In the present invention, it is to be construed that "upper", "lower", "left", "right", "front", "rear", and the like are orientations or positional relationships shown on the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that a specific orientation, configuration and operation in a specific orientation is necessary, and thus, the present invention is not to be construed as being limited.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that it is obvious to those skilled in the art that various modifications and improvements can be made without departing from the principle of the present invention, and these modifications and improvements should also be considered as the protection scope of the present invention.
Claims (9)
1. The correction method of the double-hole die extruded section cooling correction tool is characterized in that the water flow of a branch pipeline is controlled to be 2.0-3.0ml/s, and the water outlet end of the branch pipeline is 1-3CM away from the upper surface of a section and is centered;
if the left side of the two extruded profiles is bent leftwards and the right side is bent rightwards, the water outlet end of the branch pipeline on the left side is moved rightwards, and the water outlet end of the branch pipeline on the right side is moved leftwards;
if the left side of the two extruded profiles is bent rightwards and the right side is bent leftwards, the water outlet end of the branch pipeline on the left side is moved leftwards, and the water outlet end of the branch pipeline on the right side is moved rightwards;
if the left side of the two extruded profiles is bent leftwards and the right side is bent leftwards, the water outlet end of the branch pipeline on the left side is moved rightwards, and the water outlet end of the branch pipeline on the right side is moved rightwards;
if the left side of the two extruded profiles is bent rightwards, the right side of the two extruded profiles is bent rightwards, the water outlet end of the branch pipeline on the left side is moved leftwards, and the water outlet end of the branch pipeline on the right side is moved leftwards;
the double-hole die extruded section cooling correction tool comprises a water cooling trough and at least two section fixing devices which are arranged from front to back, wherein the section fixing devices are installed in the water cooling trough;
the section fixing device comprises a correction base and two groups of guide roller groups which are arranged in a left-right mirror symmetry manner, wherein the two groups of guide roller groups are used for guiding the traveling directions of the two sections;
each group of guide roller groups comprises a left roller unit for guiding the left side of the section bar, a right roller unit for guiding the right side of the section bar and a top roller for limiting the top of the section bar, each of the left roller unit and the right roller unit comprises at least two rollers which are sequentially arranged from front to back, the central axes of the rollers of the left roller unit and the right roller unit are in the vertical direction, and the central axis of the top roller is in the left-right direction;
all rollers in the guide roller group are arranged on the correction base, and in the same guide roller group, a top roller is positioned above the area between the left roller unit and the right roller unit;
the water pipe tool comprises two branch pipelines which are arranged left and right, and the two branch pipelines are respectively used for cooling two sectional materials;
the water outlet end of the branch pipeline is adjacent to the section bar inserting feed end on the water cooling trough;
the water pipe tool further comprises a water pipe support frame arranged on the water cooling trough, and a guide groove used for guiding the left and right movement of the discharge end of the branch pipeline is formed in the water pipe support frame;
the branch pipelines are fixed on the water pipe support frame through bolts;
the branch pipeline is provided with a regulating valve near the water outlet end.
2. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 1, wherein the correction method comprises the following steps: the two groups of guide roller groups which are arranged in a left-right mirror symmetry mode are respectively a first guide roller group and a second guide roller group;
the right roller unit of the first guide roller group and the left roller unit of the second guide roller group can be detachably mounted on the correcting base;
the left roller unit of the first guide roller group and the right roller unit of the second guide roller group are arranged on the correcting base in a left-right sliding mode.
3. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 2, characterized in that: a left roller unit of the first guide roller group is arranged on a left sliding table, and a guide mechanism for guiding the left sliding table to slide left and right is arranged on the correction base;
the left sliding table is rotationally connected with a left screw, a left supporting block in threaded connection with the left screw is mounted on the correction base, and a left adjusting knob is mounted at the end of the left screw;
the right roller unit of the second guide roller group is arranged on a right sliding table, and a guide mechanism for guiding the right sliding table to slide left and right is arranged on the correction base;
the right side slip table rotates with a right side screw rod to be connected, install threaded connection on the correction base the right supporting shoe of right side screw rod, right adjust knob is installed to the tip of right side screw rod.
4. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 3, wherein the correction method comprises the following steps: the left screw is also in threaded connection with limit nuts which are propped against two sides of the left supporting block;
and the right screw is also in threaded connection with a limit nut which props against the two sides of the right supporting block.
5. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 3, wherein the correction method comprises the following steps: and a notch for rotating the left adjusting knob and a notch for rotating the right adjusting knob are formed in the correcting base.
6. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 1, wherein the correction method comprises the following steps: the water cooling device also comprises a supporting underframe, wherein the supporting underframe is arranged in the water cooling trough;
the left end and the right end of the correction base are U-shaped supporting frames with downward openings, and the U-shaped supporting frames are connected with the supporting base frames in an inserting mode.
7. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 1, wherein the correction method comprises the following steps: and an antifriction layer for supporting the section bar is arranged on the correction base.
8. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 1, wherein the correction method comprises the following steps: the section bar fixing devices are at least three, and the distance between every two adjacent section bar fixing devices is 0.8-1.1 m.
9. The correction method of the cooling correction tool for the extruded section of the double-hole die as claimed in claim 1, wherein the correction method comprises the following steps: supporting rollers are mounted on the front side and the rear side of the section fixing device and abut against the bottom of the section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263661.3A CN113070360B (en) | 2021-03-11 | 2021-03-11 | Cooling correction tool and correction method for extruded section of double-hole die |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110263661.3A CN113070360B (en) | 2021-03-11 | 2021-03-11 | Cooling correction tool and correction method for extruded section of double-hole die |
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|---|---|
| CN113070360A CN113070360A (en) | 2021-07-06 |
| CN113070360B true CN113070360B (en) | 2023-03-10 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0737407U (en) * | 1993-12-27 | 1995-07-11 | 昭和アルミニウム株式会社 | Extruded material cooling device |
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