Continuous extrusion strip straightness control device
By setting up a graphite block limiting mechanism and an atomizing spray device in the water tank, the problem of uneven cooling of aluminum strip caused by swaying and twisting was solved, and the straightness control and uniform cooling of the strip were achieved, thus improving the forming quality of subsequent processes.
Patent Information
- Application Number
- CN202520330814.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-02-27
AI Technical Summary
In the existing technology, the aluminum strip produced by continuous extrusion is cooled unevenly in the water tank, causing the strip to sway and twist, and deform, which affects the flattening and forming quality of the strip in subsequent processes.
Graphite block limiting mechanisms are set at intervals along the output direction of the strip material in the water tank. Combined with the atomizing spray device, the strip material is limited and cooled evenly. The direction of the strip material is restricted by the limiting channel. Graphite blocks are used as limiting components, and spray pipes are set on the upper and lower sides of the water tank for atomizing spray cooling.
It improves the flatness of the strip, enhances the flatness and cooling uniformity of the strip, reduces the space occupied by the water tank, and avoids damage to the strip surface.
Smart Images

Figure CN223916458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a continuous extrusion strip flatness control device. BACKGROUND
[0002] In the production process of aluminum strip, aluminum material containing alloy is formed into strip-shaped strip material with rectangular cross section through continuous extrusion, and then the strip-shaped strip material is formed into thin aluminum strip through subsequent rolling process. The temperature of the strip-shaped strip material output through continuous extrusion is usually about 560 DEG C, and the alloy inside the strip-shaped strip material needs to be rapidly cooled to produce solid solution.
[0003] The existing cooling method is to pass the strip-shaped strip material output through continuous extrusion into a long tank containing water for cooling. However, the strip-shaped strip material passing into the water tank is not uniformly cooled, and the orientation of the strip-shaped strip material is not limited in the long tank, so that the strip-shaped strip material inevitably deviates left and right, twists and deforms, and forms a wave-like shape, which affects the flattening and forming quality of the subsequent strip material.
[0004] Therefore, a continuous extrusion strip flatness control device is needed. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a continuous extrusion strip flatness control device which helps to limit the conveying orientation of the strip material and improve the bending degree of the strip material.
[0006] The technical scheme of the utility model is as follows: a continuous extrusion strip flatness control device, comprising a water tank, one end of the water tank is provided with a strip inlet, the other end of the water tank is provided with a strip outlet, a plurality of limiting mechanisms are installed in the water tank between the strip inlet and the strip outlet along the transverse direction, a limiting groove is transversely arranged in the limiting mechanism for the strip-shaped strip material to pass through, and an atomizing spraying device is arranged in the water tank and faces the strip-shaped strip material.
[0007] Further, the limiting mechanism comprises a lower limiting graphite block, a lower groove is transversely arranged on the upper surface of the lower limiting graphite block, an upper limiting graphite block capable of being opened and closed by turning is arranged on the upper side of the lower limiting graphite block, and the lower groove and the upper limiting graphite block cooperate to form the limiting groove.
[0008] Further, a pair of fixed plates is installed in the water tank between the strip inlet and the strip outlet, a plurality of fixed grooves are transversely arranged in the pair of fixed plates, and the lower limiting graphite block is arranged in the fixed groove and locked.
[0009] Further, a pair of locking bolts is respectively screwed on the pair of fixed plates, the locking bolts pass into the fixed groove and are inserted into the lower limiting graphite block.
[0010] Further, a plurality of groove-shaped cover plates corresponding to the fixed grooves are arranged on the upper side of the pair of fixed plates in transverse direction, the upper limiting graphite blocks are fixed in the groove-shaped cover plates, one side of the groove-shaped cover plate is hinged to the one fixed plate, and the other side of the groove-shaped cover plate is connected to the other fixed plate through the quick locking clamp.
[0011] Further, a pair of locking bolts are vertically arranged in the groove-shaped cover plate and screwed with the upper limiting graphite blocks.
[0012] Further, a support plate is arranged on the lower side of the pair of fixed plates in transverse direction.
[0013] Further, the atomizing and spraying device comprises a spraying pipe arranged in the water tank and located on the upper and lower sides of the limiting mechanism, and a plurality of atomizing nozzles are arranged on the spraying pipe in transverse direction and face the strip-shaped belt.
[0014] Further, a water outlet pipe is arranged on one side wall of the lower part of the water tank, and a pump body connected to the spraying pipe through a pipeline is arranged on the water outlet pipe.
[0015] Further, a filter is arranged on the input end of the water outlet pipe in the water tank.
[0016] Compared with the prior art, the present application has the following advantages:
[0017] 1. The graphite blocks are arranged in the water tank in transverse direction along the output direction of the strip-shaped belt to limit the conveying direction of the strip-shaped belt and prevent the strip-shaped belt from swinging left and right, thereby improving the bending degree of the belt and improving the flatness of the belt.
[0018] 2. The graphite blocks are used as the limiting members of the strip-shaped belt, which are not only high-temperature resistant but also lubricated well and will not damage the surface of the strip-shaped belt.
[0019] 3. The spraying pipes are arranged on the upper and lower sides of the strip-shaped belt in the water tank, which can make the strip-shaped belt cool more uniformly, further improve the bending degree of the belt, and reduce the volume of the water tank and the occupied space. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 is a structural schematic view of the present application;
[0021] Figure 2 is a sectional view of the present application along line A-A of Figure 1 ;
[0022] Figure 3 is a sectional view of the present application along line B-B of Figure 1 ;
[0023] In the figure: 10 - water tank, 11 - strip inlet, 12 - strip outlet, 13 - drain pipe, 14 - water inlet pipe, 20 - limiting mechanism, 21 - lower limiting graphite block, 211 - limiting groove, 22 - upper limiting graphite block, 23 - groove-shaped cover plate, 231 - locking bolt, 24 - quick locking clamp, 31 - spraying pipe, 32 - atomizing nozzle, 33 - water outlet pipe, 331 - water supplement pipe, 34 - pump body, 35 - filter, 40 - fixed plate, 41 - partition plate, 42 - fixed groove, 43 - locking bolt, 44 - bottom plate, 50 - support plate, 51 - hollow hole. DETAILED DESCRIPTION
[0024] In order to make the above features and advantages of the utility model more apparent, the following embodiments are described in detail, and the detailed description is made below with reference to the accompanying drawings, but the utility model is not limited thereto.
[0025] REFERENCE Figures 1 to 3
[0026] A continuous extrusion strip flatness control device, comprising a water tank 10, one end of the water tank is provided with a strip inlet 11, the other end of the water tank is provided with a strip outlet 12, a plurality of limiting mechanisms 20 are installed in the water tank and are spaced apart in the transverse direction between the strip inlet and the strip outlet, a limiting groove 211 for strip-shaped strip passing through is arranged in the transverse direction in the limiting mechanism, and an atomizing spraying device is arranged in the water tank and faces the strip-shaped strip. The strip-shaped strip is limited in the left-right and up-down directions by the plurality of limiting devices, and is cooled by the atomizing spraying device, so that the bending degree of the strip-shaped strip is improved, and the flatness of the strip-shaped strip is improved.
[0027] In the embodiment, the limiting mechanism comprises a lower limiting graphite block 21, a lower groove is arranged on the upper surface of the lower limiting graphite block in the transverse direction, and the strip-shaped strip is limited in the left-right direction; an upper limiting graphite block 22 capable of being opened and closed by turning is arranged on the upper side of the lower limiting graphite block, and the upper limiting graphite block cooperates with the groove to limit the strip-shaped strip in the up-down direction; and the lower groove cooperates with the upper limiting graphite block to form the limiting groove 211.
[0028] In the embodiment, the center lines of the limiting grooves are located on the same straight line, so as to ensure the flatness of the strip-shaped strip and improve the bending degree of the strip-shaped strip.
[0029] In the embodiment, a pair of fixed plates 40 are installed in the water tank between the strip material inlet and the strip material outlet, a plurality of pairs of partition plates 41 are welded in the pair of fixed plates in the transverse direction, a bottom plate 44 is arranged on the lower side of the pair of partition plates and cooperates with the fixed plate to form a fixed groove 42, and the lower limiting graphite block is arranged in the fixed groove and locked. Specifically, a pair of locking bolts 43 are screwed on the pair of fixed plates at the positions of the fixed grooves, respectively, the locking bolts pass through the fixed grooves and are inserted into the lower limiting graphite block. Thus, the locking of the lower limiting graphite block is realized, and the replacement of the lower limiting graphite block is facilitated.
[0030] In the embodiment, the two ends of the fixed plate can be fixedly connected with the water tank.
[0031] In the embodiment, a plurality of support plates 50 are fixed in the water tank in the transverse direction, the upper ends of the support plates are fixedly connected with the bottom surface of the fixed plate, so as to reduce the downward bending of the fixed plate and ensure that the limiting mechanism is located on the same straight line. The bottom of the support plate is provided with a hollow hole 51 to facilitate the communication of water in the water tank.
[0032] In the embodiment, a plurality of groove-shaped cover plates 23 corresponding to the fixed grooves are arranged on the fixed plate in the transverse direction, the upper limiting graphite block is fixed in the groove-shaped cover plate, and a pair of locking bolts 231 are vertically arranged on the groove-shaped cover plate and are screwed with the upper limiting graphite block. One side of the groove-shaped cover plate is hingedly connected with the fixed plate on one side through a hinge, and the other side of the groove-shaped cover plate is connected with the fixed plate on the other side through a quick locking clamp 24, so as to realize the opening and closing of the upper limiting graphite block and the locking cooperation with the lower limiting graphite block. The quick locking clamp facilitates the quick locking of the upper limiting graphite block and the lower limiting graphite block, and the quick locking clamp is a commercially available component.
[0033] In the embodiment, a plurality of water outlet holes 44 are arranged on the two side plates of the fixed plate in the transverse direction, so as to facilitate the discharge of water in the fixed plate.
[0034] In the embodiment, in order to cool the strip-shaped material, the atomizing and spraying device comprises a spraying pipe 31 arranged in the water tank and located on the upper and lower sides of the limiting mechanism, and a plurality of atomizing nozzles 32 are arranged on the spraying pipe in the transverse direction and face the strip-shaped material. The cooling water is atomized and sprayed on the strip-shaped material through the atomizing nozzles, which helps to ensure more uniform cooling of the strip-shaped material.
[0035] In the embodiment, in order to realize the recycling of water in the water tank, a water outlet pipe 33 is arranged on one side wall of the lower part of the water tank, a pump body 34 connected with the spraying pipe through a pipeline is arranged on the water outlet pipe, so as to supply the spraying pipe through the pump body. In order to filter out impurities in the water and avoid clogging of the atomizing nozzles, a filter 35 is arranged on the input end of the water outlet pipe in the water tank.
[0036] In this embodiment, in order to facilitate the water change and cleaning in the sink, the other side wall of the lower part of the sink is provided with a drain pipe 13. The upper part of the sink is provided with a water inlet pipe 14 to facilitate water replenishment. The water replenishment pipe 331 is connected to the water outlet pipe.
[0037] In this embodiment, three rows of spray pipes can be arranged in the sink on the upper and lower sides of the limiting mechanism, the cooling water flow is 90-110 L / min, and the water pressure is 0.9-1.2 MPa. Specifically, the cooling water flow can be 100 L / min, and the water pressure is 1.0 MPa. The output speed of the strip-shaped belt is the normal output speed of the continuous extruder.
[0038] In use, the upper limiting graphite block of each limiting mechanism is opened upward, the strip-shaped belt output by the continuous extruder is sent into the sink through the belt inlet and uniformly passes through the channel of the lower limiting graphite block, the upper limiting graphite block and the lower limiting graphite block are closed and locked, and the strip-shaped belt is limited by the channel. At the same time, the atomizing spraying device is continuously opened, and the water mist covers the sink. Finally, the strip-shaped belt is output from the strip-shaped belt outlet, so as to be sent to the next process.
[0039] If the utility model discloses or involves mutually fixed connection parts or structural members, then, except for another declaration, fixed connection can be understood as: detachable fixed connection (for example, using bolt or screw connection), also can be understood as: non-detachable fixed connection (for example, riveting, welding), of course, mutual fixed connection can be replaced by integral structure (for example, using casting process integral forming manufacturing) (obviously, cannot adopt integral forming process except for).
[0040] In addition, the terms used to represent the position relationship or shape in any of the technical solutions disclosed in the utility model above include the approximate, similar or close state or shape, except for another declaration.
[0041] Any component provided by the utility model can be assembled by a plurality of separate components, or can be a separate component manufactured by integral forming process.
[0042] The above is only the preferred embodiment of the utility model, and any change and modification made within the scope of the utility model application patent shall belong to the scope of the utility model.
Claims
1. A continuous strip flatness control device comprising a water tank, one end of the water tank is provided with a strip inlet, the other end of the water tank is provided with a strip outlet, characterized in that, The water tank is provided with a plurality of limiting mechanisms which are installed transversely and spaced apart between the strip material inlet and the strip material outlet, the limiting mechanism is provided with a limiting groove transversely for the strip material to pass through, and the water tank is provided with an atomizing spraying device which faces the strip material.
2. A continuous strip flatness control device according to claim 1, wherein The limiting mechanism comprises a lower limiting graphite block, the upper surface of the lower limiting graphite block is provided with a lower groove transversely, and the upper side of the lower limiting graphite block is provided with an upper limiting graphite block which can be opened and closed by turning.
3. A continuous strip flatness control device according to claim 2, wherein The water tank is provided with a pair of fixed plates between the strip material inlet and the strip material outlet, a plurality of fixed grooves are transversely and spaced apart in the pair of fixed plates, and the lower limiting graphite block is arranged in the fixed groove and locked.
4. A continuous strip flatness control device according to claim 3, wherein A pair of locking bolts are screwed on the pair of fixed plates respectively, the locking bolts pass through the fixed groove and are inserted into the lower limiting graphite block.
5. A continuous strip flatness control device according to claim 3 or 4, characterised in that, A plurality of groove-shaped cover plates corresponding to the fixed grooves are transversely and spaced apart on the upper side of the pair of fixed plates, the upper limiting graphite block is fixed in the groove-shaped cover plate, one side of the groove-shaped cover plate is hinged to one side of the fixed plate, and the other side of the groove-shaped cover plate is connected to the other side of the fixed plate through a quick locking clamp.
6. A continuous strip flatness control device according to claim 5, wherein A pair of locking bolts are vertically and transversely arranged on the groove-shaped cover plate and screwed with the upper limiting graphite block.
7. A continuous strip flatness control device according to claim 3 or 4, wherein Support plates are transversely and spaced apart on the lower side of the pair of fixed plates.
8. A continuous strip flatness control device as defined in claim 1 wherein, The atomizing spraying device comprises a spraying pipe which is arranged in the water tank and located on the upper and lower sides of the limiting mechanism, and a plurality of atomizing nozzles are transversely and spaced apart on the spraying pipe and face the strip material.
9. A continuous strip flatness control device according to claim 8, wherein One side wall of the lower part of the water tank is provided with a water outlet pipe, and the water outlet pipe is provided with a pump body which is connected with the spraying pipe through a pipeline.
10. A continuous strip flatness control device according to claim 9, wherein A filter is arranged in the water tank and located at the input end of the water outlet pipe.