CN115009932A

CN115009932A - Aluminum alloy laminated plate production device

Info

Publication number: CN115009932A
Application number: CN202210727539.1A
Authority: CN
Inventors: 熊国华
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-25
Filing date: 2022-06-25
Publication date: 2022-09-06

Abstract

The invention relates to an aluminum alloy laminated plate production device, which comprises an inserting sleeve and a rotating sleeve, wherein one end of the inserting sleeve is fixedly provided with a first limiting plate with the outline size larger than the diameter size of the inserting sleeve, the other end of the inserting sleeve is fixedly provided with a second limiting plate with the outline shape and the size equal to the first limiting plate, the first limiting plate and the second limiting plate are symmetrical to two sides of the rotating sleeve, jacks communicated with the first limiting plate and the second limiting plate are arranged at two ends of the inserting sleeve, when the device is pressed and moved along an inserting rod of a winding machine by the inserting sleeve, a press ring on a limiting rod can be compressed into the limiting plate where the device is positioned, when the limiting rod is inserted into the rotating sleeve, the press ring impacts a positioning plate in the rotating sleeve to rotate teeth to be engaged on the inserting rod of the winding machine, the fixing mode replaces a nut locking mode, the operation is convenient, the winding machine can drive the whole device to synchronously rotate by electrifying operation, so as to rapidly wind the single-layer board allowance released after use on the rotating sleeve again, thereby improving the working efficiency.

Description

Aluminum alloy laminated plate production device

Technical Field

The invention relates to the technical field of processing of laminated plates, in particular to a production device of an aluminum alloy laminated plate.

Background

The aluminum alloy laminated plate is a composite type multilayer plate formed by laminating a plurality of layers of aluminum alloy plates, has higher strength compared with the existing single-layer type aluminum laminated plate, is suitable for occasions bearing gravity, the laminated plate needs to utilize winding equipment to convey a plurality of single-layer plates one by one to assembly equipment before being manufactured, and then the single-layer plates are combined and fixed after being opened and processed, and the existing winding device is a traditional winding wheel.

When a single-layer plate (aluminum alloy steel coil) is released outwards from a winding wheel, one end of the winding wheel needs to be fixed on a rotating rod of a winding machine, a large nut is installed at one end of the rotating rod in a fixing mode, the winding wheel is fixed on the rotating rod in a locking mode of the large nut on the rotating rod, when used single-layer plate allowance is wound on the winding wheel again, the operation mode needs to be passed, and the operation process is very inconvenient.

Disclosure of Invention

In order to solve the problems, the invention provides the production device of the aluminum alloy laminated plate, which can enable the single-layer aluminum alloy plate to be quickly released from a winding wheel, the allowance of the released single-layer aluminum alloy plate can be wound into a coil again under the quick self-locking state of the winding wheel, and a large nut does not need to be screwed in the operation process, so that the operation is convenient.

In order to achieve the purpose, the invention provides the following technical scheme:

the aluminum alloy laminated plate production device comprises an inserting sleeve and a rotating sleeve capable of rotating around the periphery of the inserting sleeve, wherein a first limiting plate with the outline size larger than the diameter size of the inserting sleeve is fixed at one end of the inserting sleeve, a second limiting plate with the outline shape and the size equal to those of the first limiting plate is fixed at the other end of the inserting sleeve, the first limiting plate and the second limiting plate are symmetrically arranged on two sides of the rotating sleeve, a winding area for winding an aluminum alloy plate is formed between the first limiting plate and the rotating sleeve, jacks communicated with the first limiting plate and the second limiting plate are formed in the inserting sleeve towards two ends of the inserting sleeve, at least two first guide holes positioned on the periphery of the jacks are formed in the first limiting plate, a first sinking cavity communicated with the jacks is formed inwards in the outer side of the first limiting plate, a pressing ring is arranged in the first sinking cavity, and limiting rods with the first guide holes in quantity are fixed on the inner side face of the pressing ring, the inner end of the limiting rod penetrates into the first guide hole along the first sinking cavity and corresponds to the outer side of the rotating sleeve, a plurality of second guide holes are formed in the rotating sleeve and are uniformly distributed along the circumferential direction of the rotating sleeve, each second guide hole penetrates from one end of the rotating sleeve to the other end, the contour size of the pressing ring is smaller than that of the first sinking cavity, and when the pressing ring pushes the limiting rod to move along the first guide hole in the direction of the rotating sleeve from the first sinking cavity, the limiting rod can enter the second guide hole, and the rotating sleeve stops rotating on the plug bush and synchronously rotates along with the plug bush,

and a spring which enables the pressing ring to push the limiting rod to enter the second guide hole along the first guide hole and then enables the pressing ring to drive the limiting rod to reversely reset is connected between the inner end face of the pressing ring and the outer end face of the first sinking cavity.

As further preferred: the lateral surface of clamping ring is the plane, when the spring promoted the clamping ring in order to drive the gag lever post and outwards return from second guiding hole is inside, the outer tip of clamping ring lateral surface surpassed first limiting plate.

As further preferred: and the middle part of the compression ring is provided with an inner hole which is communicated with the jack and is arranged on the same axis.

As further preferred: offer on the second limiting plate with the second heavy chamber of first heavy chamber isotructure on the first limiting plate, be equipped with the hinge of keeping away from in the jack on the inner wall of second heavy chamber, it is connected with the bull stick to rotate on the hinge, the one end orientation of bull stick extends and is equipped with the threading die along with its synchronous revolution in the direction of jack at its extension end, threading die is the bending, and its offer when rotatory via in the arc interlock portion of jack.

As further preferred: the outer wall surface of the rotating rod is connected with a first tension spring which enables the rotating rod to rotate and reset in the direction away from the jack, and the other end of the first tension spring extends along the inner wall surface of the second sinking cavity and then is connected to the outer circular surface of the second limiting plate.

As further preferred: a positioning plate which can move linearly along the hole cavity of the second guide hole penetrates through the second guide hole, one end of the positioning plate extends from the guide hole to the inner end direction of the limiting rod, the other end of the positioning plate extends from the inside of the guide hole towards the direction of the second limiting plate, the second limiting plate is provided with a through hole which can enable the extending end of the positioning plate to penetrate into the second sinking cavity, the through hole is correspondingly arranged near the rotating rod, and the outer wall of the rotating rod is fixed with an inclined plate corresponding to the position near the through hole, so that one end of the positioning plate is pressed on the inclined surface of the inclined plate when entering the second sinking cavity from the through hole, and the inclined plate is forced to push the threading die to drive the occlusion part to rotate towards the direction of the jack, a second tension spring connected with the positioning plate is arranged in the second guide hole, and a positioning clamping groove matched with the edge of the inclined plate is formed in the end part of the positioning plate.

As further preferred: a gap is reserved between one end of the rotating sleeve and the inner face of the first limiting plate, and a gap is reserved between the other end of the rotating sleeve and the inner face of the second limiting plate.

As further preferred: annular rotating grooves are formed in the inner faces of the first limiting plate and the second limiting plate, and rotating rings close to two ends of the rotating sleeve are arranged in the two annular rotating grooves through balls respectively.

Compared with the prior art, the invention has the following beneficial effects:

the inner side plug bush is provided with a freely rotatable rotating bush, when a head inserted bar is inserted into the plug bush by a winder, a single-layer plate wound on the rotating bush can be freely released under the free rotation of the rotating bush, at the moment, the single-layer plate is released without starting the winder to drive the plug bush to rotate through the inserted bar, an operator can completely release the single-layer plate outwards into an assembly link to be laminated with other single-layer plates to be assembled into a multilayer plate, limiting plates at two ends of the rotating bush are respectively provided with a limiting rod and a rotating rod with a threading die structure, when the device is forcibly pressed and moved along the inserted bar of the winder through the plug bush, a pressing ring on the limiting rod is compressed into the limiting plate where the limiting rod is located, meanwhile, the limiting rod can be inserted into the rotating bush to enable the position of the original freely rotatable rotating bush to be self-locked on the plug bush, and simultaneously, the threading die is rotated to be meshed on the inserted bar of the winder by impacting the positioning plate in the rotating bush when the limiting rod is inserted into the rotating bush, the fixing mode replaces a nut locking mode, operation is convenient, the winder can drive the whole device to rotate synchronously when being electrified, the single-layer plate allowance released after use is quickly wound on the rotating sleeve again, and the single-layer plate can be automatically released outwards along with the rotation of the inserting rod by utilizing the fixing mode, so that the working efficiency is improved.

Drawings

FIG. 1 is a schematic view of a main viewing angle structure according to the present invention;

FIG. 2 is a schematic view of another rotated view from FIG. 1;

FIG. 3 is a front plan view of the present invention taken in section from FIG. 1 or FIG. 2;

FIG. 4 is a schematic view of a pressure ring or the like mechanism removed from the first limiting plate in the present invention;

FIG. 5 is a schematic structural diagram of a front view of the present invention;

fig. 6 is a schematic view of the screw die mechanism driven by the mutual action of the limiting rod and the positioning plate after the rotating sleeve is removed.

Description of the main reference numerals:

1. inserting a sleeve; 2. rotating the sleeve; 3. a first limit plate; 4. a second limiting plate; 5. a winding zone; 6. a jack; 7. a first guide hole; 8. a first caisson; 9. pressing a ring; 10. a limiting rod; 11. a second guide hole; 12. a spring; 13. an inner bore; 14. a second sinking chamber; 15. a hinge shaft; 16. a rotating rod; 17. threading die; 18. an engaging portion; 19. a first tension spring; 20. positioning a plate; 21. perforating; 22. a sloping plate; 23. an annular rotary groove; 24. rotating the ring; 25. a second tension spring; 26. and a positioning clamping groove.

Detailed Description

The technical solutions of the present invention will be described in detail and fully with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments, but not all embodiments, of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated as the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., appear based on the orientations or positional relationships shown in the drawings only for the convenience of describing the present invention and simplifying the description, but not for indicating or implying that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention.

Referring to the attached drawings 1-6, the aluminum alloy laminated plate production device comprises an inserting sleeve 1 and a rotating sleeve 2 capable of rotating around the periphery of the inserting sleeve 1, wherein one end of the inserting sleeve 1 is fixed with a first limiting plate 3 with the outline size larger than the diameter size of the inserting sleeve, the other end of the inserting sleeve 1 is fixed with a second limiting plate 4 with the outline shape and the size equal to that of the first limiting plate 3, the first limiting plate 3 and the second limiting plate 4 are symmetrical to two sides of the rotating sleeve 2, and a winding area 5 for winding the aluminum alloy plate is formed between the first limiting plate 3 and the rotating sleeve 2, under the prior art, a single-layer sheet steel plate (hereinafter, referred to as steel coil for convenience of description) is wound on the rotating sleeve 2 and is correspondingly arranged in the winding area 5, inserting holes 6 communicated with the first limiting plate 3 and the second limiting plate 4 are formed from the inside of the inserting sleeve 1 to two ends of the rotating sleeve 2 wound with the single-layer aluminum plate along with the inserting sleeve 1, and are inserted on an inserting rod of a winding machine by the inserting holes 6, because single-layer aluminum plate twines on changeing cover 2, even when motor drive's inserted bar was out of work on the coiler during in-service use, the operator also can outwards tear the steel sheet of coiling on changeing cover 2 and draw, and it makes changeing cover 2 rotatory around the outside of inserted cover 1 to pull the in-process, in order to outwards release the coil of strip, reached non-electric drive and easily enabled the coil of strip and normally released the purpose of use, also need not to install big nut on the inserted bar this moment in order to lock inserted cover 1 to the inserted bar, for further improvement rationality, as shown in fig. 1 to 3, still leave the clearance between the one end of changeing cover 2 and the inner face of first limiting plate 3, leave the clearance between the other end of changeing cover 2 and the inner face of second limiting plate 4. Annular rotary grooves 23 have been seted up to the inner face of first limiting plate 3 and second limiting plate 4, respectively are equipped with a pivot 24 that is close to in swivel cover 2 both ends through the ball in two annular rotary grooves 23, and the pivot 24 that both ends have rotating characteristic when the coil of strip outwards releases through above-mentioned mode is to its steady direction.

In order to ensure that the rotating sleeve 2 wound with the steel coil can be fixed with the inserting sleeve 1 when being used on an inserting rod of a winding machine, the invention comprises the following steps: the first limiting plate 3 is provided with at least two first guide holes 7 positioned at the periphery of the jack 6, a first sinking cavity 8 communicated with the jack 6 is formed inwards from the outer side of the first limiting plate 3, a press ring 9 is arranged in the first sinking cavity 8, a plurality of limiting rods 10 matched with the first guide holes 7 are fixed on the inner side surface of the press ring 9, the inner ends of the limiting rods 10 penetrate into the first guide holes 7 along the first sinking cavity 8 and correspond to the outer side of the rotating sleeve 2, the rotating sleeve 2 is provided with a plurality of second guide holes 11 uniformly distributed along the circumferential direction, each second guide hole 11 penetrates from one end to the other end of the rotating sleeve 2, the contour size of the press ring 9 is smaller than that of the first sinking cavity 8, and when the press ring 9 pushes the limiting rods 10 to move along the first guide holes 7 towards the rotating sleeve 2 from the first sinking cavity 8, the limiting rods 10 can enter the second guide holes 11, and the rotating sleeve 2 stops rotating on the plug bush 1 and synchronously rotates on the plug rod of the winding machine along with the plug bush 1;

in order to automatically release the aluminum alloy steel coil wound on the rotating sleeve 2, as shown in fig. 2 and 6, a second sinking cavity 14 having the same structure as the first sinking cavity 8 of the first limiting plate 3 is formed on the second limiting plate 4, a hinge 15 far away from the insertion hole 6 is formed on the inner wall of the second sinking cavity 14, a rotating rod 16 is rotatably connected to the hinge 15, one end of the rotating rod 16 extends in the direction of the insertion hole 6 and is provided with a threading die 17 rotating synchronously therewith at the extending end thereof, the threading die 17 is curved and is provided with an arc-shaped engaging portion 18 passing through the insertion hole 6 during rotation, a positioning plate 20 capable of moving linearly along the hole cavity penetrates through the second guiding hole 11, one end of the positioning plate 20 extends from the second guiding hole 11 in the direction of the inner end of the limiting rod 10, the other end of the positioning plate 20 extends from the second guiding hole 11 in the direction of the second limiting plate 4, the second limiting plate 4 is provided with a through hole 21 which can enable the extending end of the positioning plate 20 to penetrate through the second sinking cavity 14, the through hole 21 corresponds to the position near the rotating rod 16, and an inclined plate 22 corresponding to the position near the through hole 21 is fixed on the outer wall of the rotating rod 16, so that one end of the positioning plate 20 is extruded on the inclined surface of the inclined plate 22 when entering the second sinking cavity 14 from the through hole 21, the inclined plate 22 is forced to push the screw die 17 to drive the engaging portion 18 to rotate towards the direction of the jack 6, a second tension spring 25 connected to the positioning plate 20 is arranged in the second guide hole 11, the end portion of the positioning plate 20 is provided with a positioning clamping groove 26 matched with the edge of the inclined plate 22, the outer side surface of the press ring 9 is a plane, and when the spring 12 pushes the press ring 9 to drive the limiting rod 10 to retreat outwards from the inside of the second guide hole 11, the outer side plane of the press ring 9 exceeds the outer end portion of the first limiting plate 3. In order to make the aluminum alloy coil of strip that twines on changeing cover 2 reach the purpose of automatic release promptly, its theory of operation does: an operator pushes the second limit plate 4 by one end, the second limit plate 4 drives the plug bush 1 to move inwards along the inserted rod of the winding machine due to the pushing action, the press ring 9 with the other side exceeding the end part of the first limit plate 3 is extruded on the head of the winding machine, the press ring 9 is extruded to reversely push the limit rod 10 to enter a certain second guide hole 11 along the first guide hole 7, the inner end of the press ring presses the locating plate 20, one end of the locating plate 20 with the locating clamp groove 26 passes through the through hole 21 to enter the second sinking cavity 14, meanwhile, the inclined plate 22 is pressed, the locating clamp groove 26 is clamped on the edge of the inclined plate 22 to carry out position self-locking, so that the inclined plate 22 drives the rotating rod 16 to rotate clockwise, the screw die 17 on the meshing part 18 rotates towards the axial center direction of the inserted hole 6, as the inserted rod on the winding machine penetrates through the inserted hole 6, the screw die 17 is clamped on the inserted rod after rotating towards the axial center direction of the inserted hole 6, when the limiting rod 10 extends into the second guide hole 11, not only the rotating sleeve 2 and the plug bush 1 which can rotate originally are positioned, but also the limiting rod 10 can push the positioning plate 20 to act when extending into the second guide hole 11 so as to position the plug bush 1 by finally utilizing the threading die 17 and the plug rod on the winding machine, namely, the device of the whole winding structure can be positioned on the winding machine by utilizing the operation mode, when the motor on the winding machine is electrified to work, the plug rod is driven to rotate, and the device is driven to synchronously rotate by utilizing the plug rod, so that the steel coil wound on the rotating sleeve 2 is outwards released to the next set of equipment by forward rotation to be laminated to manufacture a laminated plate, or the residual steel coil which cannot be used after being released is rewound on the rotating sleeve 2 by reverse rotation, the device can be positioned on the plug rod on the winding machine by only needing an operator to push and press the plug bush from one end of the second limiting plate 4, the winding device is fixed on the inserted rod through the large nut, and the large nut is fixed on the inserted rod through the large nut.

And a spring 12 which enables the press ring 9 to push the limiting rod 10 to enter the second guide hole 11 along the first guide hole 7 and then enables the press ring 9 to carry the limiting rod 10 to reversely return and reset is connected between the inner end face of the press ring 9 and the outer end face of the first sinking cavity 8.

As shown in fig. 1, 4 and 6, the outer wall surface of the rotating rod 16 is connected with a first tension spring 19 for returning the rotating rod in a direction away from the insertion hole 6, and the other end of the first tension spring 19 extends along the inner wall surface of the second sinking chamber 14 and then is connected to the outer circumferential surface of the second limiting plate 4, where it can be seen that, in order to remove the device from the insertion rod of the winding machine by using the plug bush 1, in actual use, an operator needs to separate the threading die 17 on the rotating rod 16 from the insertion rod on the winding machine, and needs to manually rotate the rotating rod 16 in the opposite direction, when the rotating rod 16 rotates in the opposite direction, the edge of the inclined plate 22 is separated from the positioning slot 26 on the positioning plate 20, so that the rotating rod 16 is forced to rotate and return under the resilience of the first tension spring 19, and because a second tension spring 25 connected to the positioning plate 20 is also arranged in the second guiding hole 11, so that under the resilience of the second tension spring 25, the positioning plate 20 is forced to retreat into the second guide hole 11, the positioning plate 20 reversely collides with the limiting rod 10 to retreat from the second guide hole 11 when retreating, the threading die 17 does not bite the inserted link any more, and the device can be detached.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.

Claims

1. Aluminum alloy laminated plate apparatus for producing, including plug bush (1) and can rotate in plug bush (1) outlying commentaries on classics cover (2), its characterized in that: a first limiting plate (3) with the outline size larger than the diameter size is fixed at one end of the plug bush (1), a second limiting plate (4) with the outline shape and the size equal to those of the first limiting plate (3) is fixed at the other end of the plug bush (1), the first limiting plate (3) and the second limiting plate (4) are symmetrical to two sides of the rotary sleeve (2), a winding area (5) for winding an aluminum alloy plate is formed between the first limiting plate and the rotary sleeve (2), jacks (6) communicated with the first limiting plate (3) and the second limiting plate (4) are formed from the inner side of the plug bush (1) to two ends of the plug bush, at least two first guide holes (7) located on the periphery of the jacks (6) are formed in the first limiting plate (3), a first sinking cavity (8) communicated with the jacks (6) is formed from the outer side of the first limiting plate (3), and a pressing ring (9) is arranged in the first sinking cavity (8), the inner side surface of the pressing ring (9) is fixed with limiting rods (10) the number of which is matched with that of the first guide holes (7), the inner end of each limiting rod (10) penetrates into the corresponding first guide hole (7) along the corresponding first sinking cavity (8) and corresponds to the outer side of the corresponding rotating sleeve (2), the rotating sleeve (2) is provided with a plurality of second guide holes (11) which are uniformly distributed along the circumferential direction of the rotating sleeve, each second guide hole (11) penetrates from one end of the corresponding rotating sleeve (2) to the other end, the contour size of the pressing ring (9) is smaller than that of the corresponding first sinking cavity (8), and the pressing ring (9) pushes the limiting rods (10) from the corresponding first sinking cavity (8) to move towards the rotating sleeve (2) along the corresponding first guide holes (7), so that the limiting rods (10) can enter the corresponding second guide holes (11), and the rotating sleeve (2) stops rotating on the inserting sleeve (1) to rotate synchronously with the inserting sleeve (1),

and a spring (12) which enables the pressing ring (9) to push the limiting rod (10) to enter the second guide hole (11) along the first guide hole (7) and then enables the pressing ring (9) to drive the limiting rod (10) to reversely return and reset is connected between the inner end face of the pressing ring (9) and the outer end face of the first sinking cavity (8).

2. The aluminum alloy laminate production apparatus as set forth in claim 1, wherein: the lateral surface of clamping ring (9) is the plane, when spring (12) promoted clamping ring (9) in order to drive gag lever post (10) and outwards return from second guiding hole (11) is inside, clamping ring (9) outside plane surpassed the outer tip of first limiting plate (3).

3. The aluminum alloy laminate production apparatus as set forth in claim 2, wherein: and an inner hole (13) which is communicated with the jack (6) and is arranged on the same axis is formed in the middle of the compression ring (9).

4. The aluminum alloy laminate production apparatus according to claim 3, wherein: offer on second limiting plate (4) with first heavy chamber (8) isotructure's on first limiting plate (3) second heavy chamber (14), be equipped with hinge (15) of keeping away from in jack (6) on the inner wall of second heavy chamber (14), it is connected with bull stick (16) to rotate on hinge (15), the one end of bull stick (16) is towards the direction extension in jack (6) and is equipped with along with its synchronous rotation's wrench tooth (17) in its extension end, wrench tooth (17) are crooked form, and its offer when rotatory through in arc interlock portion (18) of jack (6).

5. The aluminum alloy laminate production apparatus according to claim 4, wherein: the outer wall surface of the rotating rod (16) is connected with a first tension spring (19) which enables the rotating rod to be far away from the direction of the jack (6) to perform rotary reset, and the other end of the first tension spring (19) is connected to the outer circular surface of the second limiting plate (4) after extending along the inner wall surface of the second sinking cavity (14).

6. The aluminum alloy laminate production apparatus as set forth in claim 5, wherein: a positioning plate (20) capable of moving linearly along the bore of the second guide hole (11) penetrates through the second guide hole (11), one end of the positioning plate (20) extends from the second guide hole (11) towards the inner end of the limiting rod (10), the other end of the positioning plate (20) extends from the second guide hole (11) towards the second limiting plate (4), a through hole (21) capable of enabling the extending end of the positioning plate (20) to penetrate into the second sinking cavity (14) is formed in the second limiting plate (4), the through hole (21) corresponds to the position near the rotating rod (16), an inclined plate (22) corresponding to the position near the through hole (21) is fixed on the outer wall of the rotating rod (16), so that one end of the positioning plate (20) enters the second sinking cavity (14) from the position inside the through hole (21) and is pressed on the inclined surface of the inclined plate (22), and the inclined plate (22) is forced to push the wrench (17) to drive the meshing part (18) to rotate towards the insertion hole (6) The direction of the positioning plate is rotating, a second tension spring (25) connected to the positioning plate (20) is arranged in the second guide hole (11), and a positioning clamping groove (26) matched with the edge of the inclined plate (22) is formed in the end portion of the positioning plate (20).

7. The aluminum alloy laminate production apparatus according to claim 1, characterized in that: a gap is reserved between one end of the rotating sleeve (2) and the inner face of the first limiting plate (3), and a gap is reserved between the other end of the rotating sleeve (2) and the inner face of the second limiting plate (4).

8. The aluminum alloy laminate production apparatus as set forth in claim 7, wherein: annular rotating grooves (23) are formed in the inner faces of the first limiting plate (3) and the second limiting plate (4), and rotating rings (24) close to the two ends of the rotating sleeve (2) are arranged in the two annular rotating grooves (23) through balls respectively.