CN216072552U

CN216072552U - Air expansion top head for splitting machine

Info

Publication number: CN216072552U
Application number: CN202122477359.6U
Authority: CN
Inventors: 刘月起; 刘凯航
Original assignee: SUZHOU QIANFENG PAPER-MAKING MACHINERY MANUFACTURING CO LTD
Current assignee: SUZHOU QIANFENG PAPER-MAKING MACHINERY MANUFACTURING CO LTD
Priority date: 2021-10-14
Filing date: 2021-10-14
Publication date: 2022-03-18
Anticipated expiration: 2031-10-14

Abstract

The utility model discloses an air-expansion top head for a splitting machine, which comprises an air cylinder barrel and a top tip sleeved on the air cylinder barrel, wherein a sliding core is fixedly arranged in the air cylinder barrel, a flat key capable of moving up and down at a micro distance is arranged on the sliding core, a top head key is fixedly arranged on the flat key, and at least part of the top head key sequentially penetrates through the air cylinder barrel and the top tip to extend to be arranged outside the top tip. The utility model has the following beneficial effects: the design is exquisite, injects the former material roller respectively with two top during the operation of cutting in, starts the high-pressure pump, and high-pressure gas makes the top key rise outward through the cylinder section of thick bamboo, tightly blocks together with the inner wall of former material roller for the former material roller can not produce the axial float and also can not produce the radial runout, thereby has guaranteed the quality of cutting, closes the lift-off top that the air pump can relax after the operation is accomplished.

Description

Air expansion top head for splitting machine

Technical Field

The utility model relates to the technical field of air expansion equipment, in particular to an air expansion top head for a splitting machine.

Background

In the coil slitting operation, the first procedure is to install a coil raw material roller, and in order to ensure the slitting quality, the coil raw material roller cannot generate axial movement or radial offset in the slitting operation. The hollow roll core of coil stock material is typically made of a metallic material, a plastic material or a paper based material. Most of the traditional top heads are in a multi-pyramid or cone expanding tile shape, and when a raw material roller core shaft for plastic or paper-based materials is tightly pushed, the situation that the core shaft head is damaged due to overlarge pushing force often occurs; when the device is used for tightly ejecting the metal material mandrel, the difficulty in detaching the mandrel due to overlarge ejecting force can be caused frequently, so that the auxiliary time is increased, and the production cost is increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides an air-expansion ejector for a splitting machine.

The purpose of the utility model is realized by the following technical scheme:

an air-expansion top head for a splitting machine comprises an air cylinder barrel and a top sleeved on the air cylinder barrel, wherein a sliding core is fixedly arranged in the air cylinder barrel, a flat key capable of moving vertically at a small distance is arranged on the sliding core, a top head key is fixedly arranged on the flat key, and at least part of the top head key sequentially penetrates through the air cylinder barrel and the top head and extends to be arranged outside the top head.

Preferably, the sliding core is in a hollow cylinder shape, sliding grooves are formed in the outer circumferential surface of the sliding core at equal intervals, and extending grooves are formed in two sides of each sliding groove; the flat key is fixedly provided with a sliding block, the side wall of the sliding block is fixedly provided with an extension block matched with the extension groove, and the height of the sliding block is larger than the thickness of the sliding groove.

Preferably, threaded holes are formed in the flat key and the top key, and the locking bolt can be in threaded connection with the top key and the threaded holes in the flat key.

Preferably, the sliding core is locked on the cylinder barrel through a locking screw.

Preferably, the center comprises a hollow cylindrical end and a connecting end which are integrally formed, and the connecting end is locked on the cylinder barrel through a connecting bolt; the hollow cylinder end is sleeved on the cylinder barrel.

Preferably, the length of the sliding groove is equal to the length of the flat key, and the width of the sliding groove is equal to the width of the flat key.

The utility model has the following beneficial effects: the design is exquisite, injects the former material roller respectively with two top during the operation of cutting in, starts the high-pressure pump, and high-pressure gas makes the top key rise outward through the cylinder section of thick bamboo, tightly blocks together with the inner wall of former material roller for the former material roller can not produce the axial float and also can not produce the radial runout, thereby has guaranteed the quality of cutting, closes the lift-off top that the air pump can relax after the operation is accomplished.

Drawings

The technical scheme of the utility model is further explained by combining the accompanying drawings as follows:

FIG. 1: a cross-sectional view of a preferred embodiment of the present invention;

FIG. 2: exploded view of the preferred embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art in light of these embodiments are intended to be within the scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

As shown in fig. 1 to 2, the utility model discloses an air-expanding top head for a splitting machine, which comprises a cylinder barrel 1 and a top head 2 sleeved on the cylinder barrel 1, wherein a sliding core 3 locked on the cylinder barrel 1 through a locking screw 33 is arranged in the cylinder barrel, the sliding core 3 is in a hollow cylinder shape, sliding grooves 31 are equidistantly formed in the outer circumferential surface of the sliding core, and extension grooves 32 are formed in two sides of each sliding groove 31. The sliding core 3 is provided with a flat key 4 capable of moving vertically at a small distance, the flat key 4 is fixedly provided with a sliding block 41, the side wall of the sliding block 41 is fixedly provided with an extending block 42 matched with the extending groove 32, and the height of the sliding block 41 is larger than the thickness of the sliding groove 31. The connecting structure of the flat key and the sliding core 3 is ingenious in design, convenient to install and detach and capable of greatly improving the working efficiency.

The flat key 4 is fixedly provided with a top key 5, and at least part of the top key 5 sequentially penetrates through the cylinder barrel 1 and the top tip 2 and extends to be arranged outside the top tip 2. Threaded holes 43 are formed in the flat key 4 and the top key 5, the locking bolt 44 can be in threaded connection with the top key 5 and the threaded holes 43 in the flat key 4, threaded connection is adopted, disassembly, replacement and maintenance are convenient, and the wide applicability is achieved.

The centre 2 comprises a hollow cylindrical end 21 and a connecting end 22 which are integrally formed, and the connecting end 22 is locked on the cylinder barrel 1 through a connecting bolt 23; the hollow cylindrical end 21 is sleeved on the cylinder barrel 1. The length of the sliding groove 31 is equal to the length of the flat key 4, and the width of the sliding groove 31 is equal to the width of the flat key 4.

The utility model has the advantages that the design is exquisite, two tops are respectively inserted into the raw material roller during the slitting operation, the high-pressure pump is started, the high-pressure gas enables the top key to expand outwards through the cylinder barrel and tightly clamps the top key with the inner wall of the raw material roller, so that the raw material roller can not generate axial movement or radial jumping, the slitting quality is ensured, and the top can be easily dismounted by closing the air pump after the operation is finished.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A inflatable top for cutting machine, its characterized in that: the sliding core type pneumatic core lathe comprises a cylinder barrel (1) and a tip (2) sleeved on the cylinder barrel, a sliding core (3) is fixedly arranged in the cylinder barrel (1), a flat key (4) capable of moving vertically at a micro distance is arranged on the sliding core (3), a top key (5) is fixedly arranged on the flat key (4), and at least part of the top key (5) sequentially penetrates through the cylinder barrel (1) and the tip (2) and extends to be arranged outside the tip (2).

2. An inflatable plug for slitting machines as claimed in claim 1 wherein: the sliding core (3) is in a hollow cylindrical shape, sliding grooves (31) are formed in the outer circumferential surface of the sliding core at equal intervals, and extending grooves (32) are formed in two sides of each sliding groove (31); a sliding block (41) is fixedly arranged on the flat key (4), an extending block (42) matched with the extending groove (32) is fixedly arranged on the side wall of the sliding block (41), and the height of the sliding block (41) is larger than the thickness of the sliding groove (31).

3. An inflatable plug for slitting machines as claimed in claim 2 wherein: threaded holes (43) are formed in the flat key (4) and the top key (5), and a locking bolt (44) can be in threaded connection with the top key (5) and the threaded holes (43) in the flat key (4).

4. An inflatable plug for slitting machines as claimed in claim 2 wherein: the sliding core (3) is locked on the cylinder barrel (1) through a locking screw (33).

5. An inflatable plug for slitting machines as claimed in claim 1 wherein: the center (2) comprises a hollow cylindrical end (21) and a connecting end (22) which are integrally formed, and the connecting end (22) is locked on the cylinder barrel (1) through a connecting bolt (23); the hollow cylindrical end (21) is sleeved on the cylinder barrel (1).

6. An inflatable plug for slitting machines as claimed in claim 2 wherein: the length of the sliding groove (31) is equal to that of the flat key (4), and the width of the sliding groove (31) is equal to that of the flat key (4).