CN211941036U

CN211941036U - Multi-head rolling type cut-off knife

Info

Publication number: CN211941036U
Application number: CN202020083597.1U
Authority: CN
Inventors: 黄建凯
Original assignee: Nantong Huaxing Office Equipment Technology Co ltd
Current assignee: Nantong Huaxing Office Equipment Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-11-17
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a bull roll formula cut-off knife, it includes: cutting platform, clamp plate, blade holder slide and a plurality of blade holders. The cutting platform is provided with a cutting groove, the cutting platform is provided with a sliding seat groove, and the sliding seat groove is positioned at the end part of the cutting groove. The pressing plate is connected with the cutting platform in a turnable manner, a pressing plate sliding rail is arranged on the pressing plate sliding rail, an avoiding groove is formed in the lower portion of the pressing plate sliding rail, and the cutting groove is located under the pressing plate sliding rail and the avoiding groove. The tool apron sliding seat is connected with the sliding seat groove in a sliding mode, a plurality of sliding seat sliding rails parallel to the pressing plate sliding rails are arranged on the tool apron sliding seat, and the sliding seat sliding rails can be communicated with the pressing plate sliding rails. The tool holders are respectively connected with the sliding seat sliding rails in a sliding manner and can slide along the pressing plate sliding rails. The cutter holder is used for cutting paper. Have a plurality of blade holders and slidable blade holder slide through the side setting at cutting platform to make a plurality of blade holders can act on cutting platform respectively, realize satisfying the function of multiple cutting demand.

Description

Multi-head rolling type cut-off knife

Technical Field

The utility model relates to a bull roll formula cut-off knife.

Background

The cutter is a tool for cutting various papers, photos, art card paper, cold and hot mounting paper and the like. In the actual use process, because the paper to be processed is different in size and type, various cutters of different sizes and types are required to cut the paper. To meet these different cutting requirements, common approaches include the following two: one is to prepare a plurality of cutters with different types of hob cutters, and change different cutters according to needs, which increases the use cost; the other is to prepare a cutting knife, but the hob on the cutting knife is replaced according to the use requirement, and the mode is complicated and the use efficiency is low.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a bull roll formula cut-off knife in order to overcome prior art in the cut-off knife be difficult to satisfy the defect of multiple different user demands.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a bull roll formula cut-off knife which characterized in that, it includes:

the cutting platform is provided with a cutting groove, a sliding seat groove is formed in the cutting platform, and the sliding seat groove is located at the end part of the cutting groove;

the cutting platform is provided with a cutting platform, the cutting platform is provided with a cutting groove, the cutting platform is provided with a cutting blade, the cutting blade is arranged on the cutting platform, and the cutting blade is arranged on the cutting platform;

the tool apron sliding seat is connected with the sliding seat groove in a sliding manner, a plurality of sliding seat sliding rails parallel to the pressing plate sliding rails are arranged on the tool apron sliding seat, and the sliding seat sliding rails can be communicated with the pressing plate sliding rails;

the tool apron is connected with the sliding seat sliding rails in a sliding mode and can slide along the pressing plate sliding rails respectively, and the tool apron is used for cutting paper.

Preferably, the blade holder includes fixing base, sliding seat, stationary blade, hobbing cutter, mandrel and spring, the hobbing cutter pass through the mandrel with the stationary blade rotationally connects in the sliding seat, the sliding seat install in the below of fixing base and can reciprocate, the both ends of spring along vertical direction press respectively in the sliding seat with the fixing base, the hobbing cutter can be followed cut groove and roll.

Preferably, the multi-head rolling type cutter further comprises a cutter pad, the cutter pad is located in the cutting groove and extends along the cutting groove, and the hob is pressed on the cutter pad.

Preferably, the multi-head rolling type cutter further comprises a visible piece, the visible piece is fixed to the bottom of the pressing plate, the visible piece extends along the extending direction of the cutting groove, and the cutter face of the hob can abut against the edge of the visible piece.

Preferably, a pressing plate groove extending along the pressing plate sliding rail is formed above the pressing plate sliding rail, a convex strip is arranged at the bottom of the movable seat, and the convex strip is matched with the pressing plate groove.

Preferably, the end of the pressing plate groove close to the tool apron sliding seat is provided with a pressing plate groove flaring.

Preferably, a sliding seat groove extending along the sliding seat sliding rail is arranged above the sliding seat sliding rail, and the convex strip is matched with the sliding seat groove.

Preferably, the end of the slide groove close to the pressure plate is provided with a slide groove flaring.

Preferably, the two ends of the pressing plate are provided with positioning plates extending towards the direction close to the cutting platform, the cutting platform is provided with two limiting grooves, and the two positioning plates are respectively matched with the two limiting grooves.

Preferably, a positioning column is arranged at the bottom of the tool apron sliding seat, a pair of convex points is arranged on the peripheral surface of the positioning column, a plurality of pairs of positioning grooves are arranged on the sliding seat groove, and the convex points can be clamped in the positioning grooves.

Preferably, the bottom of the tool apron sliding seat is further provided with a limiting column, and the limiting column is connected to the sliding seat groove in a sliding manner.

Preferably, the multi-head rolling type cut-off knife further comprises a graduated scale, and one end of the graduated scale is rotatably connected to the bottom of the cutting platform.

Preferably, the number of the slide seat grooves is two, the two slide seat grooves are located at two ends of the cutting groove, the number of the tool apron slide seats is two, and the two tool apron slide seats are oppositely arranged and respectively located in the two slide seat grooves.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

The utility model discloses an actively advance the effect and lie in: have a plurality of blade holders and slidable blade holder slide through the side setting at cutting platform to make a plurality of blade holders can act on cutting platform respectively, realize satisfying the function of multiple cutting demand.

Drawings

Fig. 1 is an exploded view of a multi-head rolling type cutting knife in a preferred embodiment of the present invention.

Fig. 2 is a schematic perspective view of a pressing plate and a visual sheet according to a preferred embodiment of the present invention.

Fig. 3 is a schematic perspective view of a tool holder according to a preferred embodiment of the present invention.

Fig. 4 is a schematic perspective view of a tool holder slide according to a preferred embodiment of the present invention.

Fig. 5 is a schematic perspective view of a multi-head rolling type cutting knife according to a preferred embodiment of the present invention.

Fig. 6 is an enlarged view of a portion a in fig. 5.

Description of reference numerals:

cutting platform 100

Cutting groove 110

Sliding seat groove 120

Positioning groove 121

Limiting groove 130

Pressing plate 200

Platen slide 210

Platen groove 211

Platen groove flare 212

Avoidance slot 220

Positioning plate 230

Tool apron slide 300

Slide rail 310

Slider recess 311

Slide pocket flare 312

Positioning post 320

Salient point 321

Spacing post 330

Tool holder 400

Fixed seat 410

Movable seat 420

Convex strip 421

Fixing sheet 430

Hob 440

Mandrel 450

Spring 460

Shim 500

Visible sheet 600

Scale 700

Detailed Description

The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "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 only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Fig. 1-6 show a multi-head rolling cutter comprising: cutting deck 100, platen 200, blade holder slide 300, and plurality of blade holders 400. The cutting platform 100 has a cutting groove 110, and the cutting platform 100 has a sliding seat groove 120, and the sliding seat groove 120 is located at an end of the cutting groove 110. The pressing plate 200 is connected to the cutting platform 100 in a turnable manner, a pressing plate slide rail 210 is arranged on the pressing plate 200, an avoiding groove 220 is formed below the pressing plate slide rail 210, and the cutting groove 110 is located right below the pressing plate slide rail 210 and the avoiding groove 220. The tool holder slide 300 is slidably connected to the slide groove 120, and the tool holder slide 300 is provided with a plurality of slide rails 310 parallel to the platen slide rail 210, and the slide rails 310 can communicate with the platen slide rail 210. The plurality of tool holders 400 are slidably connected to the plurality of carriage rails 310, respectively, and can slide along the platen rail 210. The blade holder 400 is used to cut paper.

In the scheme, when the paper cutting device is used for cutting paper, the pressing plate 200 is firstly turned upwards, the paper to be cut is placed on the cutting platform 100, the position needing to be cut is just opposite to the cutting groove 110, and then the pressing plate 200 is turned downwards, so that the pressing plate 200 presses the paper to be cut. According to the cutting requirement, the tool holder sliding base 300 is slid along the extending direction of the sliding base groove 120, so that the tool holder 400 selected on the tool holder sliding base 300 is opposite to the pressing plate sliding rail 210, i.e. the sliding base sliding rail 310 is communicated with the pressing plate sliding rail 210. The tool holder 400 is slid in the cutting direction such that the tool holder 400 slides out of the slide rail 310 and into the platen rail 210, and the cutting of the paper is completed when the tool holder 400 slides on the platen rail 210. After the cutting is completed, the tool holder 400 is slid backward to return the tool holder 400 into the tool holder slide 300. In this embodiment, the knife types of each knife holder 400 are different, so as to satisfy different cutting requirements, such as straight knife, wave knife, dotted knife, and the like. When different types of knives are needed to be selected for cutting, the knives can slide to finish cutting only by aligning the different knife blocks 400 with the pressing plate slide rail 210 according to the steps.

In order to achieve the purpose of using a plurality of different types of knives, in the present embodiment, the number of the slide seat grooves 120 is two, two slide seat grooves 120 are located at two ends of the cutting groove 110, the number of the knife holder slide seats 300 is two, and the two knife holder slide seats 300 are oppositely disposed and respectively located in the two slide seat grooves 120. Each tool post slide 300 has two slide rails 310 on which two tool posts 400 can be placed. Therefore, four tool holders 400 can be mounted on the device, and four types of cutting can be realized.

In this embodiment, the tool holder 400 includes a fixed base 410, a movable base 420, a fixed plate 430, a hob 440, a spindle 450 and a spring 460, the hob 440 is rotatably connected to the movable base 420 through the spindle 450 and the fixed plate 430, the movable base 420 is installed below the fixed base 410 and can move up and down, two ends of the spring 460 are respectively pressed on the movable base 420 and the fixed base 410 along a vertical direction, and the hob 440 can roll along the cutting groove 110. When the tool holder 400 is slid, the hob 440 can roll in the sliding direction, thereby achieving the purpose of cutting paper. The hob 440 cuts the paper sheet has the advantage of smooth cut surfaces without creating burrs compared to conventional knives. To achieve rolling during cutting, the cutting edge of the roller 440 must be constantly subjected to rolling friction. In order to avoid the cutting edge from damaging the cutting platform 100 and from being seriously worn, in the present embodiment, the multi-head rolling type cutting knife further includes a shim 500, the shim 500 is located in the cutting groove 110 and extends along the cutting groove 110, and the hob 440 is pressed against the shim 500. That is, in the cutting process of the hob 440, the cutting edge of the hob can be pressed on the cutter pad 500 all the time under the elastic force of the spring 460, so that the hob is always subjected to rolling friction force, and the purpose of rolling cutting is achieved. In addition, the knife pad 500 is made of rubber, which does not damage the knife edge and can protect the cutting platform 100. Meanwhile, the cutter pad 500 is a consumable and can be replaced according to cutting loss conditions, so that the cutting effect of the hob 440 is guaranteed, and the use cost is reduced.

In addition, the multi-head rolling type cutter further includes a visual piece 600, the visual piece 600 is fixed to the bottom of the pressing plate 200, the visual piece 600 extends in the extending direction of the cutting groove 110, and the blade surface of the hob 440 can abut against the edge of the visual piece 600. The visual sheet 600 is used to more precisely locate the cutting position of the paper, i.e., the position where the edges of the visual sheet 600 are aligned is the cutting position of the paper. The edge of the visual piece 600 abutting against the blade of the hob 440 can be located in the avoiding groove 220, and the operator can see the edge of the visual piece 600 from above, so as to judge whether the position where the paper is placed is accurate, and timely adjust the position of the paper on the cutting platform 100 as required. To make the edge of the visual sheet 600 more conspicuous, a color bar may be drawn along the edge thereof.

As will be understood from fig. 2 and fig. 3, in order to enable the tool apron 400 to slide along the pressing plate slide rail 210, a pressing plate groove 211 extending along the pressing plate slide rail 210 is formed above the pressing plate slide rail 210, and a protruding strip 421 is formed at the bottom of the movable seat 420, where the protruding strip 421 matches with the pressing plate groove 211. The pressing plate grooves 211 can support the protruding strips 421 and play a role in guiding.

As will be appreciated in conjunction with FIGS. 3 and 4, to facilitate sliding the tool holder 400 from the end of the platen slide 210 into the platen slide 210, the end of the platen recess 211 adjacent the tool holder slide 300 has a platen recess flare 212. In this embodiment, both ends of the pressing plate recess 211 are provided with pressing plate recess flares 212.

Similarly, the upper side of the slide rail 310 has a slide groove 311 extending along the slide rail 310, and the protruding bar 421 matches with the slide groove 311. And the end of each carriage recess 311 adjacent the platen 200 has a carriage recess flare 312.

In order to ensure the accuracy of the cutting path of the tool holder 400, the two ends of the pressing plate 200 are provided with positioning plates 230 extending toward the direction close to the cutting platform 100, the cutting platform 100 is provided with two limiting grooves 130, and the two positioning plates 230 are respectively matched with the two limiting grooves 130. By matching the positioning plate 230 with the two limiting grooves 130, the rolling path of the hob 440 can be ensured to be kept unchanged on the cutting platform 100.

As will be understood from fig. 5 and fig. 6, the bottom of the tool holder sliding seat 300 has a positioning post 320, a pair of protruding points 321 is disposed on the outer peripheral surface of the positioning post 320, a plurality of pairs of positioning grooves 121 are disposed on the sliding seat slot 120, and the protruding points 321 can be clamped in the positioning grooves 121. The positioning posts 320 cooperate with the positioning grooves 121 to form a plurality of different positioning positions. At different positioning positions, different slide rails 310 of the tool holder slide 300 are respectively communicated with the platen slide 210, so that the tool holder 400 can accurately slide between the slide rails 310 and the platen slide 210.

The bottom of the tool holder sliding base 300 is further provided with a limiting post 330, and the limiting post 330 is slidably connected to the sliding base groove 120. The position-limiting post 330 is mainly used to limit the tool holder slide 300 on the slide groove 120 and plays a guiding role. In this embodiment, the slide groove 120 is a through structure, and the bottom of the limiting post 330 has a connecting hole connected with a self-tapping screw, so as to prevent the tool holder slide 300 from falling off from the slide groove 120. The number of the positioning posts 330 on each tool rest slide 300 is two, and the two positioning posts are respectively located on two sides of the positioning post 320.

In order to better determine the cutting position of the paper, the multi-head rolling type cutting knife further comprises a graduated scale 700, and one end of the graduated scale 700 is rotatably connected to the bottom of the cutting platform 100. The scale 700 may be hidden at the bottom of the cutting platform 100 when not in use. When it is needed, the scale 700 is rotated out. The graduated scale 700 is provided with various scales, so that the purpose of accurately cutting out paper with fixed size can be realized in an auxiliary manner. In addition, in order to assist the cutting tool holder 400 in cutting, the cutting platform 100 has scale marks.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are all within the scope of the present invention.

Claims

1. A bull roll formula cut-off knife which characterized in that, it includes:

2. The multi-headed rolling cutter according to claim 1, wherein the cutter holder comprises a fixed base, a movable base, a fixed plate, a hob, a mandrel and a spring, the hob is rotatably connected to the movable base through the mandrel and the fixed plate, the movable base is mounted below the fixed base and can move up and down, two ends of the spring are vertically pressed against the movable base and the fixed base, respectively, and the hob can roll along the cutting groove.

3. The multi-headed rolling cutter according to claim 2 further comprising a shim positioned within and extending along said cutting slot, said hob being pressed against said shim.

4. The multi-head rolling type cutting knife according to claim 2, further comprising a visual plate fixed to the bottom of the pressing plate, wherein the visual plate extends in the extending direction of the cutting groove, and the knife surface of the hob can abut against the edge of the visual plate.

5. The multi-headed rolling type cutting knife according to claim 2, wherein a pressing plate groove extending along the pressing plate slide rail is formed above the pressing plate slide rail, and a protruding strip is formed at the bottom of the movable seat and matched with the pressing plate groove.

6. The multi-headed rolling cutter of claim 5 wherein the end of the presser plate recess adjacent the holder slide has a presser plate recess flare.

7. The multi-headed rolling cutter according to claim 5, wherein the upper portion of said carriage rail has a carriage groove extending along said carriage rail, said rib mating with said carriage groove.

8. The multi-headed rolling cutter of claim 7 wherein the end of the carriage recess adjacent the pressure plate has a carriage recess flare.

9. The multi-headed rolling type cutting knife according to claim 1, wherein the pressing plate has positioning plates at both ends thereof extending in a direction approaching the cutting platform, the cutting platform is provided with two limiting grooves, and the two positioning plates are respectively matched with the two limiting grooves.

10. The multi-headed rolling type cutting knife according to claim 1, wherein the bottom of the knife holder sliding seat is provided with a positioning column, the outer circumferential surface of the positioning column is provided with a pair of protruding points, the sliding seat groove is provided with a plurality of pairs of positioning grooves, and the protruding points can be clamped in the positioning grooves.

11. The multi-headed rolling cutter according to claim 1, wherein the bottom of the tool holder carriage further comprises a position-limiting post slidably connected to the carriage slot.

12. The multi-headed rolling cutter according to claim 1 further comprising a graduated scale, one end of the graduated scale being rotatably attached to the bottom of the cutting platform.

13. The multi-headed rolling cutter according to any one of claims 1 to 12, wherein the number of said carriage grooves is two, two of said carriage grooves are located at both ends of said cutting groove, and the number of said holder carriages is two, and two of said holder carriages are oppositely disposed and located in the two of said carriage grooves, respectively.