CN208880832U - A kind of core cutter device - Google Patents

Abstract

The utility model discloses a kind of core cutter devices, it is related to a kind of core cutter device field, it includes rack, motor, roll shaft, cutter, motor is provided in rack, motor is connect by transmission mechanism with roll shaft, it is fixed on roll shaft and is installed for core, and the connector for driving it to rotate, cutter passes through knife rest hingedly on the rack, and it is vertical with roll shaft, cutting core is pushed with rotation, is provided with cutting support device in rack, the one end of roll shaft far from transmission mechanism is free end, and the lower section of roll shaft free end is arranged in cutting support device；The utility model is fixed core by the connector on roll shaft, rotate core, rotation pushes cutter and is cut close to core, cutting support device provides core certain support force, the cut edge uniform force of core is not in unilateral the phenomenon that being become larger by pressure simultaneously, and core is not in deformation, and core cutter device is easy to operate, realize the high quality fly-cutting to core, good cutting effect.

Description

A kind of core cutter device

Technical field

The utility model relates to cutting mechanics field, especially a kind of core cutter device

Background technique

The intermediate paper tube such as adhesive tape, toilet paper and printing paper is exactly core.Currently, existing core is mostly tubular, material is With the steel paper that certain thickness fits closely, the core length just dispatched from the factory is longer, needs when use according to being wrapped in core The width of paper cuts core, and core is cut to suitable length；The existing core that cuts is mostly manually using chopper etc. Tool is cut, when cutting due to chopper to core there are certain extruding, extruding when cutting is easy to make tubular Core deformation, deformed core carry out inconvenient to use when the work of subsequent roll paper.

Utility model content

For overcome the deficiencies in the prior art, the utility model provides a kind of core cutter device, solves cutting core When core deform the problem of.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of core cutter device, including rack, motor, roll shaft, cutter, the motor are arranged in the rack, institute It states motor and is connect with roll shaft by transmission mechanism, the connector for being fixed on the roll shaft and being installed for core, and it is driven to rotate, The cutter is hinged in the rack by knife rest, and vertical with the roll shaft, pushes cutting core, the roll shaft with rotation One end far from transmission mechanism is free end, and cutting support device, the cutting support device setting are provided in the rack In the lower section of roll shaft free end.

Core is installed fixation by adjusting the connector on roll shaft to appropriate location and using it by the utility model, is utilized Motor is rotated by transmission mechanism band action roller shaft, and rotation pushes cutter close to core, is contacted with core, the blade of cutter and rotation Core contact after, cyclic annular cutting is carried out to core and completely cuts through core when blade cuts to roll shaft；Core by When the extruding force of cutter, cutting support device provides certain support force to core, most extruding force is offset, to avoid Core is deformed because being squeezed by cutter.

As an improvement of the above technical solution, the cutting support device includes supporting element, and the supporting element is provided with two A and symmetrical as symmetry axis using roll shaft axis, such symmetrical, the support force provided to core is most abundant.

As a further improvement of the above technical scheme, it is provided with lateral turning set at the top of the supporting element, described turn The shaft of dynamic set is parallel with roll shaft axis, in this way, supporting element can reduce pair while giving core certain support force The friction on core surface improves processing quality.

Further, the connector is the chuck that clamping is set on the roll shaft, and the chuck end is provided with claw.

Further, it is provided with cambered surface on the claw to be set with so that core cooperates, core is directly sleeved on claw Cambered surface can be completed installation and fix, and cooperate between the two compact, be not easy to loosen.

Further, the slot for core inserting is provided on the claw end face, the slot lateral wall is affixed with core Cooperation, and slot inner sidewall and cambered surface are arranged on same curved surface, core is plugged in slot, and the two is affixed cooperation, and slot can With clamping core, claw is unclamped, after readjusting position of the chuck on roll shaft, without reinstalling core.

Further, connect with chuck one section of the roll shaft, cross sectional shape is the polygon cooperated with chuck, avoids week To rotation.

Further, handle is connected on the cutter, the handle is fixedly connected on the knife rest.

Further, support device is installed in the rack, the roll sleeve is through in the support device, the support Device is arranged between connector and transmission mechanism, is rotatablely connected for the roll shaft, and roll shaft is steady under the support of support device Rotation is not shaken, it is ensured that running accuracy.

Further, rubber rollers set is connected on the roll shaft, rubber rollers set position is corresponding with cutter location, rubber Roller set can prevent cutter to be cut into roll shaft, with roll shaft transition contact, damage the blade of cutter.

It is fixed the beneficial effects of the utility model are: the utility model is installed core by the connector on roll shaft, benefit It is rotated with motor by transmission mechanism band action roller shaft, rotation pushes cutter and cut close to rotation core, cuts support device Certain support force provided core, while the cut edge uniform force of core is not in showing of becoming larger of unilateral pressure As core is not in deformation, and core cutter device is easy to operate, realizes the high quality fly-cutting to core, cutting effect Fruit is good.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Fig. 1 is the stereoscopic schematic diagram of core cutter device；

Fig. 2 is the stereoscopic schematic diagram for cutting support device；

Fig. 3 is that roll shaft and chuck assemble stereoscopic schematic diagram.

Specific embodiment

In the description of the present invention, it should be understood that term " on ", "lower", "left", "right" "front", "rear", The orientation or positional relationship of the instructions such as "horizontal", " vertical " is to be based on the orientation or positional relationship shown in the drawings, merely to just In description the utility model and simplify description, rather than the specific side that the device or element of indication or suggestion meaning must have Position is constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1 shown in-Fig. 3, a kind of core cutter device of the utility model, including rack 3, motor 1, roll shaft 2, cut Knife 4 is installed with motor 1 in the rack 3, and the motor 1 is connect with roll shaft 2 by belt drive unit, and the roll shaft 2 is separate One end of belt drive unit is free end, the chuck 8 for being fixed on the roll shaft 2 and installing for core, and it is driven to rotate, institute One section connect on roll shaft 2 with chuck 8 is stated, cross sectional shape is the polygon matched with chuck 8, avoids circumferentially rotating, institute It states 8 end of chuck to be uniformly arranged there are three claw 9, setting filling for core engagement sleeves there are two various outer diameter on the claw 9 Cambered surface 32, the cambered surface 32 of different diameters, which has been widened, cuts the fixed rotation of the core of different inner diameters, the diameter of the cambered surface 32 Moving radially and change with claw 9, it is fixed after chuck 8 claw 9 on the diameter of cambered surface 32 mutually fitted with the internal diameter of core Match, the cutter 4 is hinged in the rack 3 by knife rest, and vertical with the roll shaft 2, is welded on the knife rest Handle 10, rotational handle 10 pushes cutter 4 and core is in contact and cuts, and cutting support device 5, institute are provided in the rack 3 The lower section that 2 free end of roll shaft is arranged in cutting support device 5 is stated, the cutting support device 5 includes supporting element 22, the support There are two smooth small runners and symmetrical as symmetry axis using 2 axis of roll shaft for the setting of part 22, and two smooth small runners are being cut through It contacts and rotates together with core in journey, and its centre of gyration line is parallel with 2 axis of roll shaft.

The utility model moves by adjusting the appropriate location on chuck 8 to roll shaft 2 and by the way that the claw 9 on chuck 8 is radial Dynamic to be clamped on roll shaft 2, the outer diameter of cambered surface 32 on claw 9 is adapted with the internal diameter of core at this time, and core is directly covered In cambered surface 32, cambered surface 32 and core are affixed cooperation and fixing assembling can be completed；Then it is driven and is filled by belt using motor 1 It sets band action roller shaft 2 to rotate, rotating handle 10 pushes cutter 4 close to rotation core, the blade of cutter 4 and the core contact of rotation Afterwards, since core rotates, cyclic annular cutting is carried out to core, the outside of core is all cut, will when blade cuts to roll shaft 2 Core is completely cut through；The cutterhead of cutter 4 is preferably circular, and itself and core rotate together in cutting process, cutter 4 and core Between generate that friction is small, improve the cut quality of cut edge；In cutting process, core is given by cutter 4 Extruding force, two smooth small wheels are contacted with core, and are rotated together with core, and what is generated between smooth small wheels and core rubs It is smaller to wipe power, core surface will not be worn, while two symmetrical smooth small wheels can play the work of a similar vee-block With giving core to provide most sufficient support force, counteract extruding force when most of cutter 4 cuts core, effectively avoid Core deformation.

As the improvement of above-mentioned specific embodiment, be provided with slot 31 on 9 end face of claw, the slot 31 it is outer Side wall and core are affixed cooperation, and 31 inner sidewall of slot and cambered surface 32 are arranged on same curved surface, and core insertion is compatible to insert In slot 31, the two is affixed cooperation, and slot 31 can be with clamping core, to readjust chuck 8 on roll shaft 2 unclamping claw 9 Position after, without reinstalling core.

As the further improvement of above-mentioned specific embodiment, the free end of the roll shaft 2 is connected with rubber rollers set 7, turns The dynamic cutter 4 that pushes can cut to rubber rollers set 7, be interference fitted between roll shaft 2 and rubber rollers set 7, avoid the rubber in rotary course Rubber roller set 7 loosens separation, and rubber rollers set 7 plays the role of a chopping block in cutting process, and cutter 4 is prevented to be cut into roll shaft 2 In, with 2 transition contact of roll shaft, the blade for wearing cutter 4 even crimps the blade of cutter 4, ensure that the normal use of cutter 4 And cutting；It is fixedly connected with support device 6 by modes such as bolt or welding in the rack 3, the support device 6 is worn Close to the side of belt drive unit on the roll shaft 2, it is rotatablely connected for roll shaft 2, roll shaft 2 is under the support of support device 6 It rotates smoothly and does not shake, guarantee its running accuracy, and then improve cut quality.

The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this For the technical staff in field, various modifications and changes may be made to the present invention；It is all in the spirit and principles of the utility model Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of core cutter device, it is characterised in that: including rack (3), motor (1), roll shaft (2), cutter (4), the electricity Machine (1) is arranged on the rack (3), and the motor (1) is connect by transmission mechanism with roll shaft (2), solid on the roll shaft (2) Surely the connector for having and installing for core, and it is driven to rotate, the cutter (4) are hinged on the rack (3) by knife rest, and It is vertical with the roll shaft (2), cutting core is pushed with rotation, the one end of the roll shaft (2) far from transmission mechanism is free end, institute It states and is provided with cutting support device (5) on rack (3), the cutting support device (5) is arranged under roll shaft (2) free end Side.

2. a kind of core cutter device according to claim 1, it is characterised in that: the cutting support device (5) includes Supporting element (22), there are two supporting element (22) settings and symmetrical as symmetry axis using roll shaft (2) axis.

3. a kind of core cutter device according to claim 2, it is characterised in that: be provided at the top of the supporting element (22) Lateral turning set, the shaft of the turning set are parallel with roll shaft (2) axis.

4. a kind of core cutter device according to claim 1, it is characterised in that: the connector is in the roll shaft (2) chuck (8) of clamping is set on, chuck (8) end is provided with claw (9).

5. a kind of core cutter device according to claim 4, it is characterised in that: be provided with cambered surface on the claw (9) (32) it is set with so that core cooperates.

6. a kind of core cutter device according to claim 5, it is characterised in that: be provided on claw (9) end face For the slot (31) of core inserting, slot (31) lateral wall and core are affixed cooperation, and slot (31) inner sidewall with it is described Cambered surface (32) is arranged on same curved surface.

7. a kind of core cutter device according to claim 1, it is characterised in that: the roll shaft (2) connect with chuck (8) One section, cross sectional shape is the polygon cooperated with chuck (8), avoids circumferentially rotating.

8. a kind of core cutter device according to claim 1, it is characterised in that: be connected with handle on the cutter (4) (10), the handle (10) is fixedly connected on the knife rest.

9. a kind of core cutter device according to claim 1, it is characterised in that: be installed with support on the rack (3) Device (6), roll shaft (2) set are through on the support device (6), and support device (6) setting is in connector and transmission Between mechanism, it is rotatablely connected for the roll shaft (2).

10. a kind of core cutter device according to claim 1, it is characterised in that: be connected with rubber on the roll shaft (2) The position of roller set (7), the rubber rollers set (7) is corresponding with the position of the cutter (4).