Winding shaft of aluminum foil slitting equipment

Abstract

The utility model discloses a coiling shaft of aluminum foil slitting equipment, which relates to the technical field of air swelling shafts and comprises a shaft body, a plurality of slots are arranged on the outer side wall of the shaft body in a surrounding manner, positioning insertion blocks are arranged in the slots in a penetrating manner, positioning aluminum strips are adhered to the outer sides of the positioning insertion blocks, and sliding blocks are fixedly arranged at the top ends of the positioning insertion blocks. The positioning insertion blocks are arranged on the outer side of the shaft body, the positioning aluminum strips are arranged on the outer sides of the positioning insertion blocks, when an aluminum foil coiled material is supported and positioned, the positioning insertion blocks can be extruded through the movable rods and the movable seats in the shaft body, so that the positioning insertion blocks drive the positioning aluminum strips to move outwards, and the multiple positioning insertion blocks are matched with the positioning aluminum strips; the pre-positioning of the aluminum foil coiled material can be realized, so that the placement and subsequent positioning of the aluminum foil coiled material are facilitated, the movable rod can be driven by the threaded groove and the positioning screw rod, and the quick adjustment of the positioning insertion block can be realized, so that the placement and positioning efficiency of the aluminum foil coiled material is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air expansion shafts, in particular to a winding shaft for aluminum foil slitting equipment. Background Art

[0002] Generally, in the manufacturing industry of metal materials such as aluminum foil, an air expansion shaft is often needed in a slitting machine to perform the rolling and feeding operation of metal coils such as aluminum foil.

[0003] For example, a gas expansion shaft clamping device for an aluminum foil vertical slitting machine with publication number CN214495027U specifically includes a gas expansion shaft, a cone head one and a cone head two arranged at both ends of the gas expansion shaft, the inner side of the cone head one is provided with a first groove matched with the gas expansion shaft, a key block is arranged in the first groove, and the key block is adapted to the shaft end of the gas expansion shaft, the outer side of the cone head one is provided with a second groove matched with the operating side cone head of the vertical slitting machine, the inner side of the cone head two is provided with a third groove matched with the gas expansion shaft, and the outer side of the cone head two is provided with a fourth groove matched with the transmission side cone head of the vertical slitting machine; the utility model has a simple structure and is easy to operate. The gas expansion shaft clamping device is added to the original slitting machine, so that the slitting machine can realize secondary re-cutting and remaking of unqualified aluminum coils that exceed the range of the slitting and rewinding machine, and can re-cut or rewind the wide-width problem coils accumulated online at any time, reducing the online metal occupation and improving the production efficiency and the yield rate.

[0004] The above technical solution has some problems in practical application. When tightening and fixing the aluminum foil coil, the aluminum foil coil is directly positioned by compressed gas drive. When the aluminum foil placement offset needs to be corrected, the device can only be deflated, which is a cumbersome process and low efficiency.

[0005] Therefore, it is necessary to invent a take-up shaft of an aluminum foil slitting device to solve the above problems. Utility Model Content

[0006] The utility model aims to provide a winding shaft of an aluminum foil slitting device to solve the problems raised in the above background technology.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a winding shaft of an aluminum foil slitting device, comprising a shaft body, a plurality of slots are arranged around the outer wall of the shaft body, a positioning plug is arranged inside the slot, and a positioning aluminum strip is bonded to the outer side of the positioning plug, a slider is fixedly arranged on the top of the positioning plug, and the slider is arranged as an isosceles trapezoidal structure, a movable rod is arranged inside the shaft body, a plurality of movable seats corresponding to the positioning plug are fixedly arranged on the outer side of the movable rod, a plurality of slide grooves corresponding to the slider are arranged around the outer wall of the movable seat, and the slide groove is arranged as an isosceles trapezoidal structure corresponding to the slider, end caps are fixedly arranged at both ends of the shaft body by bolts, a limiting ring is fixedly arranged at one end of the movable rod, and the limiting ring is arranged inside one end cap, a return spring is arranged between the limiting ring and the inner wall of one end cap, a thread groove is arranged through the middle part of the other end cap, a positioning screw is arranged through the inside of the thread groove, and one end of the positioning screw is fitted with the other end of the movable rod.

[0008] Preferably, a hand wheel is fixedly provided on the other end of the positioning screw, and the hand wheel is arranged on the outside of the end cover.

[0009] Preferably, a plurality of airbag installation grooves are arranged around the outer side wall of the shaft body, and the plurality of airbag installation grooves are respectively arranged in an alternating manner with the plurality of slots.

[0010] Preferably, an inflatable airbag is disposed through the interior of the airbag installation groove, and the inflatable airbag is configured as a "convex" structure.

[0011] Preferably, both end covers have an annular air guide groove inside, a connecting groove is provided through one side of the air guide groove, and the connecting groove corresponds to one end of the expansion and contraction airbag, and an air intake valve and an air discharge valve are respectively provided through the top of the two end covers.

[0012] Preferably, a mounting flange is fixedly provided at one end of one of the end covers.

[0013] Technical effects and advantages of the utility model:

[0014] 1. The utility model arranges a positioning plug on the outside of the shaft body, and a positioning aluminum strip is arranged on the outside of the positioning plug. When supporting and positioning the aluminum foil coil, the positioning plug can be squeezed by the movable rod and the movable seat inside the shaft body, so that the positioning plug drives the positioning aluminum strip to move outward. Multiple positioning plugs cooperate with the positioning aluminum strip to realize the pre-positioning of the aluminum foil coil, so as to facilitate the placement and subsequent positioning of the aluminum foil coil. The movable rod can be driven by the thread groove and the positioning screw, which can realize the rapid adjustment of the positioning plug to improve the placement and positioning efficiency of the aluminum foil coil;

[0015] 2. The utility model arranges a plurality of expansion and contraction airbags on the outer side of the shaft body, and arranges end covers at both ends of the shaft body. The end covers are provided with air guide grooves and connecting grooves for conveying compressed gas. Compressed gas is injected into the expansion and contraction airbags through the air guide grooves and the connecting grooves to expand the expansion and contraction airbags, thereby realizing rapid positioning of the aluminum foil coil. The expansion and contraction airbags cooperate with the positioning aluminum strips to realize first positioning and then tightening of the aluminum foil coil, thereby facilitating the placement of the aluminum foil coil and ensuring the positioning effect of the aluminum foil coil. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0017] Figure 2 It is a schematic cross-sectional view of the overall structure of the utility model.

[0018] Figure 3 It is a schematic diagram of the end cover structure of the utility model.

[0019] Figure 4 It is a schematic diagram of the structure of the movable rod of the utility model.

[0020] Figure 5 It is a side sectional schematic diagram of the overall structure of the utility model.

[0021] In the figure: 1. shaft body; 2. slot; 3. positioning block; 4. slider; 5. movable rod; 6. movable seat; 7. slide groove; 8. end cover; 9. limit ring; 10. reset spring; 11. threaded groove; 12. positioning screw; 13. hand wheel; 14. air bag installation groove; 15. expansion and contraction air bag; 16. air guide groove; 17. connecting groove; 18. intake valve; 19. exhaust valve; 20. mounting flange. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-5A winding shaft of an aluminum foil slitting device shown in the figure comprises a shaft body 1, a plurality of slots 2 are arranged around the outer wall of the shaft body 1, a positioning plug 3 is arranged inside the slot 2, and a positioning aluminum strip is bonded to the outer side of the positioning plug 3, a slider 4 is fixedly arranged on the top of the positioning plug 3, and the slider 4 is arranged in an isosceles trapezoidal structure, a movable rod 5 is arranged inside the shaft body 1, a plurality of movable seats 6 corresponding to the positioning plug 3 are fixedly arranged on the outer side of the movable rod 5, a plurality of slide grooves 7 corresponding to the slider 4 are arranged around the outer wall of the movable seat 6, and the slide groove 7 is arranged in an isosceles trapezoidal structure corresponding to the slider 4, and the design of the isosceles trapezoidal structure enables the slider 4 to drive the positioning plug 3 to slide in the slot 2 when being squeezed, and the length of the slide groove 7 is longer than that of the slider 4, so the slide groove 7 can squeeze the slider 4 to move when it moves in both directions;

[0024] Specifically, both ends of the shaft body 1 are fixed with end covers 8 by bolts, one end of the movable rod 5 is fixed with a limit ring 9, and the limit ring 9 is arranged inside one end cover 8, a return spring 10 is arranged between the limit ring 9 and the inner wall of one end cover 8, a thread groove 11 is penetrated through the middle of the other end cover 8, a positioning screw 12 is penetrated through the inside of the thread groove 11, and one end of the positioning screw 12 is fitted with the other end of the movable rod 5, and a hand wheel 13 is fixedly arranged on the other end of the positioning screw 12, and the hand wheel 13 is arranged on the outside of the end cover 8, and the setting of the hand wheel 13 facilitates the user to rotate the positioning screw 12;

[0025] More specifically, the outer wall of the shaft body 1 is surrounded by a plurality of airbag installation grooves 14, and the plurality of airbag installation grooves 14 are respectively arranged in an interlaced manner with the plurality of slots 2. An inflatable airbag 15 is arranged inside the airbag installation groove 14, and the inflatable airbag 15 is arranged in a "convex" structure. The design of the "convex" structure prevents the inflatable airbag 15 from detaching from the airbag installation groove 14 after expansion.

[0026] In addition, the inside of the two end covers 8 is provided with an annular air guide groove 16, one side of the air guide groove 16 is penetrated with a connecting groove 17, and the connecting groove 17 corresponds to one end of the expansion and contraction air bag 15, and the top of the two end covers 8 is penetrated with an air intake valve 18 and an air discharge valve 19, respectively, and the setting of the air intake valve 18 and the air discharge valve 19 facilitates the entry and exit of compressed air;

[0027] Moreover, a mounting flange 20 is fixedly provided at one end of an end cover 8, and the provision of the mounting flange 20 facilitates the installation and fixation of the device.

[0028] Working principle of this utility model:

[0029] When the device is in use, the aluminum foil coil can be sleeved on the outer side of the shaft body 1. At this time, the hand wheel 13 is first rotated, and the hand wheel 13 drives the positioning screw 12 to move, so that the positioning screw 12 squeezes the movable rod 5, and the movable rod 5 drives the movable seat 6 to slide horizontally. At this time, the movable seat 6 squeezes the slider 4 through the sliding groove 7 on its outer side, so that the slider 4 drives the positioning plug 3 to move outward. Multiple positioning plugs 3 pre-position the aluminum foil coil through the positioning aluminum strips on their outer sides. When the aluminum foil coil is placed offset, the hand wheel 13 is rotated in the opposite direction to make the positioning screw 12 move in the opposite direction. At this time, the movable rod 5 is reset under the action of the reset spring 10. At this time, the positioning plug 3 is reset, and the positioning of the aluminum foil coil is released, and the position of the aluminum foil coil can be adjusted;

[0030] After the position of the aluminum foil coil is adjusted, compressed air is injected through the air inlet valve 18, and the compressed air enters the expansion and contraction airbag 15 through the air guide groove 16 and the connecting groove 17, so that the expansion and contraction airbag 15 expands and the aluminum foil coil is completely positioned.

[0031] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A winding shaft for an aluminum foil slitting device, comprising a shaft body (1), characterized in that: The outer wall of the shaft body (1) is surrounded by a plurality of slots (2), the interior of the slots (2) is penetrated by a positioning block (3), and the outer side of the positioning block (3) is bonded with a positioning aluminum bar, a slider (4) is fixedly provided at the top of the positioning block (3), and the slider (4) is arranged in an isosceles trapezoidal structure, a movable rod (5) is arranged inside the shaft body (1), and a plurality of movable seats (6) corresponding to the positioning block (3) are fixedly provided on the outer side of the movable rod (5), and a plurality of slide grooves (7) corresponding to the slide block (4) are arranged around the outer wall of the movable seat (6), and the slide grooves ( 7) is configured as an isosceles trapezoidal structure corresponding to the slider (4), both ends of the shaft body (1) are fixedly provided with end covers (8) by bolts, one end of the movable rod (5) is fixedly provided with a limit ring (9), and the limit ring (9) is arranged inside one end cover (8), a return spring (10) is arranged between the limit ring (9) and the inner wall of one end cover (8), a thread groove (11) is penetrated through the middle of the other end cover (8), a positioning screw (12) is penetrated through the inside of the thread groove (11), and one end of the positioning screw (12) is fitted with the other end of the movable rod (5).

2. The winding shaft of the aluminum foil slitting equipment according to claim 1, characterized in that: A hand wheel (13) is fixedly provided at the other end of the positioning screw (12), and the hand wheel (13) is arranged on the outside of the end cover (8).

3. The winding shaft of the aluminum foil slitting equipment according to claim 2, characterized in that: The outer side wall of the shaft body (1) is surrounded by a plurality of airbag installation grooves (14), and the plurality of airbag installation grooves (14) are respectively arranged in a staggered manner with the plurality of slots (2).

4. The winding shaft of the aluminum foil slitting equipment according to claim 3, characterized in that: An inflatable and definable airbag (15) is disposed through the interior of the airbag installation groove (14), and the inflatable and definable airbag (15) is configured as a "convex" structure.

5. The winding shaft of the aluminum foil slitting equipment according to claim 4, characterized in that: An annular air guide groove (16) is provided inside the two end covers (8), a connecting groove (17) is provided through one side of the air guide groove (16), and the connecting groove (17) corresponds to one end of the expansion and contraction air bag (15), and an air intake valve (18) and an air discharge valve (19) are provided through the top ends of the two end covers (8), respectively.

6. The winding shaft of the aluminum foil slitting equipment according to claim 5, characterized in that: A mounting flange (20) is fixedly provided at one end of one of the end covers (8).

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