阅读说明：本技术 一种防静电切纸装置 (Anti-static paper cutting device ) 是由 李峥 于 2019-12-05 设计创作，主要内容包括：本发明实施例涉及一种防静电切纸装置,包括：静刀组件、动刀组件、齿条、电机齿轮和切刀驱动电机；所述动刀组件包括刀架、动刀固定座和动刀；所述刀架的末端具有第一静电引出端子；静刀组件包括机芯后壳和静刀；静刀的刀刃与所述动刀的刀刃呈一定角度相切设置,且动刀的刀刃高度低于静刀的刀刃高度一个设定值；静刀的一端还具有第二静电引出端子；齿条的前端与刀架的末端固定连接,电机齿轮套接在切刀驱动电机的驱动轴上,齿条下端的齿棱结构与齿轮的齿牙相齿合；切刀驱动电机驱动电机齿轮转动,带动齿条及齿条的前端连接的刀架和动刀垂直机芯后壳往复运动；静刀的刀刃与动刀的刀刃在往复运动过程中对纸巾进行剪切。(The embodiment of the invention relates to an anti-static paper cutting device, which comprises: the cutter comprises a static cutter component, a moving cutter component, a rack, a motor gear and a cutter driving motor; the movable knife component comprises a knife rest, a movable knife fixing seat and a movable knife; the tail end of the tool rest is provided with a first electrostatic leading-out terminal; the static knife component comprises a machine core rear shell and a static knife; the blade of the static knife and the blade of the movable knife are arranged in a certain angle in a tangent mode, and the height of the blade of the movable knife is lower than that of the blade of the static knife by a set value; one end of the static knife is also provided with a second static leading-out terminal; the front end of the rack is fixedly connected with the tail end of the tool rest, the motor gear is sleeved on a driving shaft of the cutter driving motor, and a tooth edge structure at the lower end of the rack is meshed with teeth of the gear; the cutter driving motor drives the motor gear to rotate, and drives the rack and the cutter rest and the movable cutter which are connected with the front end of the rack to reciprocate vertical to the rear shell of the machine core; the cutting edge of the static knife and the cutting edge of the movable knife cut the paper towel in the reciprocating process.)

1. An anti-static paper cutting device is characterized in that the anti-static paper cutting device is arranged in a paper supply device and comprises a cutter assembly;

the cutter assembly includes: the cutter comprises a static cutter component, a moving cutter component, a rack, a motor gear and a cutter driving motor;

the movable knife component comprises a knife rest, a movable knife fixing seat and a movable knife;

the tail end of the tool rest is provided with a first electrostatic leading-out terminal, and the first electrostatic leading-out terminal is connected with an electrostatic leading-out lead and is connected to the outside of a shell of the paper feeding device;

the two movable knife fixing seats are arranged on the upper surface of the knife rest, one of the two movable knife fixing seats is arranged at the front end of one side of the knife rest, and the other movable knife fixing seat is arranged in the middle of the other side of the knife rest;

two ends of the movable knife are respectively connected with the two movable knife fixing seats; the movable knife and the knife rest are obliquely arranged in a certain angle in a horizontal plane parallel to the upper surface of the knife rest; the cutting edge of the movable cutter is vertical to the upper surface of the cutter rest;

the static knife component comprises a machine core rear shell and a static knife; the static knife comprises a static knife fixing part and a static knife head; the fixed part of the static knife is fixed on the rear shell of the machine core, the bit of the static knife is vertical to the rear shell of the machine core, and the bit of the static knife is parallel to the knife rest; the cutting edge of the static cutter and the cutting edge of the movable cutter are arranged in a certain angle in a tangent mode, and the height of the cutting edge of the movable cutter is lower than that of the cutting edge of the static cutter by a set value;

one end of the static knife is also provided with a second static leading-out terminal, and the second static leading-out terminal is connected with a static leading-out lead and is connected to the outside of the shell of the paper feeding device;

the front end of the rack is fixedly connected with the tail end of the tool rest, and the lower surface of the rack is provided with a tooth edge structure which is meshed and matched with teeth of the motor gear;

the motor gear is sleeved on a driving shaft of the cutter driving motor, and the tooth edge structure is meshed with teeth of the gear;

the cutter driving motor drives the motor gear to rotate, drives the rack and the cutter rest and the movable cutter which are connected with the front end of the rack, and reciprocates vertically to the rear shell of the machine core;

the paper towel to be sheared is located in the area between the movable cutter and the static cutter, and the cutting edge of the static cutter and the cutting edge of the movable cutter shear the paper towel in the reciprocating motion process.

2. The anti-static paper cutting device according to claim 1, further comprising: a housing, a paper feeding portion and a paper discharging portion;

the paper feeding part is arranged in the shell and is arranged above the cutter component, and the paper feeding part comprises a first paper feeding shaft, a second paper feeding shaft, a paper feeding shaft spring and a third electrostatic leading-out terminal;

the first paper feeding shaft and the second paper feeding shaft are arranged in parallel and driven by a paper rolling driving motor in the paper feeding device to rotate oppositely;

two ends of the paper feeding shaft spring are fixedly connected with the end parts of the first paper feeding shaft and the second paper feeding shaft respectively; one end of the paper feeding shaft spring is provided with the third electrostatic leading-out terminal, and the third electrostatic leading-out terminal is connected with an electrostatic leading-out lead and is connected to the outside of the shell of the paper feeding device;

the paper discharging part is arranged in the shell and is arranged below the cutter assembly, and the paper discharging part comprises a first paper discharging shaft, a second paper discharging shaft and a paper discharging shaft spring;

the first paper outlet shaft and the second paper outlet shaft are arranged in parallel and driven by the roll paper driving motor to rotate oppositely;

two ends of the paper outlet shaft spring are fixedly connected with the end parts of the first paper outlet shaft and the second paper outlet shaft respectively; one end of the paper outlet shaft spring is provided with a fourth electrostatic leading-out terminal, and the fourth electrostatic leading-out terminal is connected with an electrostatic leading-out wire and is connected outside a shell of the paper supply device.

3. The anti-static paper cutting device according to claim 2, wherein the first paper feeding shaft and the second paper feeding shaft are respectively provided with a plurality of grooves, the surface of each groove is provided with a rubber gasket, and the rubber gaskets on the first paper feeding shaft and the second paper feeding shaft are arranged in a one-to-one correspondence manner and abut against each other.

4. The anti-static paper cutting device according to claim 2, wherein the first paper output shaft and the second paper output shaft are respectively provided with a plurality of guide wheels, and the arrangement position of the guide wheels on the first paper output shaft corresponds to the arrangement position of the guide wheels on the second paper output shaft.

5. The anti-static paper cutting device according to claim 1, wherein the moving blade assembly further comprises a spring assembly; the spring assembly comprises a cutter fixing spring and a spring sleeve; the movable knife is arranged at the front end of the knife rest through the spring assembly.

6. The anti-static paper cutting device according to claim 5, wherein the movable blade is provided with a spring fixing hole;

one end of the cutter fixing spring is fixedly connected with the upper surface of the cutter rest, the other end of the cutter fixing spring is connected with the inner side of the spring sleeve, and the outer side of the spring sleeve is sleeved in the spring fixing hole.

7. The anti-static paper cutting device according to claim 6, wherein the number of the spring fixing holes is 2, and the number of the spring assemblies is 2.

Technical Field

The invention relates to the technical field of machinery, in particular to an anti-static paper cutting device.

Background

The roll paper supply device is often arranged in public health places such as office buildings, parks, tourist attractions and the like and in family toilets, and is mainly used for providing paper towels for people so as to meet the requirements of daily life of people on paper.

At present, the roll paper supply device in the market can generate static electricity in the paper feeding and cutting processes, so that the paper towel is adsorbed on a paper feeding mechanism and a cutter mechanism of the roll paper supply device, the paper towel cannot be smoothly led out, and the normal use of the roll paper supply device is influenced.

Disclosure of Invention

The invention aims to provide an anti-static paper cutting device which is used in a roll paper supply device and can form an effective conductive closed loop to lead out static electricity generated in the paper feeding and cutting processes.

In order to achieve the above object, the present invention provides an anti-static paper cutting device, comprising:

the anti-static paper cutting device is arranged in the paper supply device and comprises a cutter assembly;

the cutter assembly includes: the cutter comprises a static cutter component, a moving cutter component, a rack, a motor gear and a cutter driving motor;

the movable knife component comprises a knife rest, a movable knife fixing seat and a movable knife;

the tail end of the tool rest is provided with a first electrostatic leading-out terminal, and the first electrostatic leading-out terminal is connected with an electrostatic leading-out lead and is connected to the outside of a shell of the paper feeding device;

the two movable knife fixing seats are arranged on the upper surface of the knife rest, one of the two movable knife fixing seats is arranged at the front end of one side of the knife rest, and the other movable knife fixing seat is arranged in the middle of the other side of the knife rest;

two ends of the movable knife are respectively connected with the two movable knife fixing seats; the movable knife and the knife rest are obliquely arranged in a certain angle in a horizontal plane parallel to the upper surface of the knife rest; the cutting edge of the movable cutter is vertical to the upper surface of the cutter rest;

the static knife component comprises a machine core rear shell and a static knife; the static knife comprises a static knife fixing part and a static knife head; the fixed part of the static knife is fixed on the rear shell of the machine core, the bit of the static knife is vertical to the rear shell of the machine core, and the bit of the static knife is parallel to the knife rest; the cutting edge of the static cutter and the cutting edge of the movable cutter are arranged in a certain angle in a tangent mode, and the height of the cutting edge of the movable cutter is lower than that of the cutting edge of the static cutter by a set value;

one end of the static knife is also provided with a second static leading-out terminal, and the second static leading-out terminal is connected with a static leading-out lead and is connected to the outside of the shell of the paper feeding device;

the front end of the rack is fixedly connected with the tail end of the tool rest, and the lower surface of the rack is provided with a tooth edge structure which is meshed and matched with teeth of the motor gear;

the motor gear is sleeved on a driving shaft of the cutter driving motor, and the tooth edge structure is meshed with teeth of the gear;

the cutter driving motor drives the motor gear to rotate, drives the rack and the cutter rest and the movable cutter which are connected with the front end of the rack, and reciprocates vertically to the rear shell of the machine core;

the paper towel to be sheared is located in the area between the movable cutter and the static cutter, and the cutting edge of the static cutter and the cutting edge of the movable cutter shear the paper towel in the reciprocating motion process.

Preferably, the static electricity preventing paper cutting device further includes: a housing, a paper feeding portion and a paper discharging portion;

the paper feeding part is arranged in the shell and is arranged above the cutter component, and the paper feeding part comprises a first paper feeding shaft, a second paper feeding shaft, a paper feeding shaft spring and a third electrostatic leading-out terminal;

the first paper feeding shaft and the second paper feeding shaft are arranged in parallel and driven by a paper rolling driving motor in the paper feeding device to rotate oppositely;

two ends of the paper feeding shaft spring are fixedly connected with the end parts of the first paper feeding shaft and the second paper feeding shaft respectively; one end of the paper feeding shaft spring is provided with the third electrostatic leading-out terminal, and the third electrostatic leading-out terminal is connected with an electrostatic leading-out lead and is connected to the outside of the shell of the paper feeding device;

the paper discharging part is arranged in the shell and is arranged below the cutter assembly, and the paper discharging part comprises a first paper discharging shaft, a second paper discharging shaft and a paper discharging shaft spring;

the first paper outlet shaft and the second paper outlet shaft are arranged in parallel and driven by the roll paper driving motor to rotate oppositely;

two ends of the paper outlet shaft spring are fixedly connected with the end parts of the first paper outlet shaft and the second paper outlet shaft respectively; one end of the paper outlet shaft spring is provided with a fourth electrostatic leading-out terminal, and the fourth electrostatic leading-out terminal is connected with an electrostatic leading-out wire and is connected outside a shell of the paper supply device.

Further preferably, a plurality of grooves are formed in the first paper feeding shaft and the second paper feeding shaft respectively, rubber gaskets are arranged on the surfaces of the grooves, and the rubber gaskets on the first paper feeding shaft and the second paper feeding shaft are in one-to-one correspondence in arrangement positions and abut against each other.

Preferably, the first paper output shaft and the second paper output shaft are respectively provided with a plurality of guide wheels, and the arrangement position of the guide wheels on the first paper output shaft corresponds to the arrangement position of the guide wheels on the second paper output shaft.

Preferably, the moving blade assembly further comprises a spring assembly; the spring assembly comprises a cutter fixing spring and a spring sleeve; the movable knife is arranged at the front end of the knife rest through the spring assembly.

Further preferably, the movable knife is provided with a spring fixing hole;

one end of the cutter fixing spring is fixedly connected with the upper surface of the cutter rest, the other end of the cutter fixing spring is connected with the inner side of the spring sleeve, and the outer side of the spring sleeve is sleeved in the spring fixing hole.

Further preferably, the number of the spring fixing holes is 2, and the number of the spring assemblies is 2.

The anti-static paper cutting device provided by the embodiment of the invention is used in the roll paper feeding device, can form an effective conductive closed loop, guides static electricity generated in the paper feeding and cutting processes out, and provides guarantee for normal use of the roll paper feeding device.

Drawings

Fig. 1 is an exploded view of a cutting assembly in an anti-static paper cutting device according to an embodiment of the present invention;

FIG. 2 is a schematic view of a part of the structure of an anti-static paper cutting device according to an embodiment of the present invention;

fig. 3 is a schematic paper cutting diagram of the electrostatic prevention paper cutting device according to the embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.

Fig. 1 is an exploded view of a cutter assembly in an anti-static paper cutting device according to an embodiment of the present invention; FIG. 2 is a schematic view of a part of the structure of an anti-static paper cutting device according to an embodiment of the present invention; the following description will first describe the structure of the electrostatic discharge prevention paper cutting apparatus according to the present invention with reference to fig. 1 and 2.

The anti-static paper cutting device provided by the embodiment of the invention is arranged in a paper supply device, and the cutter assembly comprises: the cutter comprises a static cutter component, a moving cutter component, a rack 2, a motor gear 1 and a cutter driving motor 3;

the movable knife component comprises a knife rest 4, a movable knife fixing seat 8 and a movable knife 7;

as shown in fig. 2, the end of the blade holder 4 has a first electrostatic lead-out terminal 41, and the first electrostatic lead-out terminal 41 is connected to an electrostatic lead-out wire and connected to the outside of the housing of the sheet feeding device;

two fixed seats 8 of the moving knife 7 are arranged on the upper surface of the knife rest 4, one fixed seat is arranged at the front end of one side of the knife rest 4, and the other fixed seat is arranged in the middle of the other side of the knife rest 4;

two ends of the movable knife 7 are respectively connected with two fixed seats 8 of the movable knife 7; the movable knife 7 and the knife rest 4 are obliquely arranged in a certain angle in a horizontal plane parallel to the upper surface of the knife rest 4; the cutting edge of the movable cutter 7 is vertical to the upper surface of the cutter rest 4;

in addition, the movable knife 7 component also comprises a spring component; the spring assembly comprises a cutter fixing spring 5 and a spring sleeve 6; the movable knife 7 is arranged at the front end of the knife rest 4 through a spring component.

Correspondingly, the movable knife 7 is provided with a spring fixing hole 71;

one end of the cutter fixing spring 5 is fixedly connected with the upper surface of the cutter rest 4, the other end of the cutter fixing spring is connected with the inner side of the spring sleeve 6, and the outer side of the spring sleeve 6 is sleeved in the spring fixing hole 71.

Preferably, there are 2 spring fixing holes 71, and 2 spring assemblies

The static knife component comprises a movement rear shell 9 and a static knife 10; the static knife 10 comprises a fixed part of the static knife 10 and a knife head of the static knife 10; the fixed part of the static knife 10 is fixed on the rear shell 9 of the movement, the knife head of the static knife 10 is vertical to the rear shell 9 of the movement, and the knife head of the static knife 10 is parallel to the knife rest 4; the cutting edge of the static cutter 10 and the cutting edge of the movable cutter 7 are arranged in a certain angle in a tangent mode, and the height of the cutting edge of the movable cutter 7 is lower than that of the cutting edge of the static cutter 10 by a set value;

one end of the static knife 10 is also provided with a second static leading-out terminal, and the second static leading-out terminal is connected with a static leading-out lead and is connected outside the shell of the paper supply device;

the front end of the rack 2 is fixedly connected with the tail end of the tool rest 4, and the lower surface of the rack 2 is provided with a tooth edge structure which is matched with teeth of the motor gear 1 in a meshing manner;

the motor gear 1 is sleeved on a driving shaft of the cutter driving motor 3, and the tooth edge structure is meshed with teeth of the gear;

the cutter driving motor 3 drives the motor gear 1 to rotate, drives the rack 2 and the cutter rest 4 and the movable cutter 7 which are connected with the front end of the rack 2, and moves back and forth vertical to the back shell 9 of the machine core;

the paper towel to be cut is positioned in the area between the movable knife 7 and the static knife 10, and the cutting edge of the static knife 10 and the cutting edge of the movable knife 7 cut the paper towel in the reciprocating process.

As further shown in fig. 2, the electrostatic prevention paper cutting apparatus includes, in addition to the cutter assembly 100 described above: a housing, a paper feeding portion 200, and a paper discharging portion 300;

the paper feeding part 200 is arranged in the shell and is arranged above the cutter component 100, and the paper feeding part 200 comprises a first paper feeding shaft 201, a second paper feeding shaft 202, a paper feeding shaft spring 203 and a third electrostatic leading-out terminal 204;

the first paper feeding shaft 201 and the second paper feeding shaft 202 are arranged in parallel and driven by a paper rolling driving motor in the paper feeding device to rotate oppositely; the first paper feeding shaft 201 and the second paper feeding shaft 202 are respectively provided with a plurality of grooves, the surface of each groove is provided with a rubber gasket, and the rubber gaskets on the first paper feeding shaft 201 and the second paper feeding shaft 202 are arranged in a one-to-one correspondence manner and are abutted against each other.

Two ends of the paper feeding shaft spring 203 are fixedly connected with the ends of the first paper feeding shaft 201 and the second paper feeding shaft 202 respectively; one end of the paper feeding shaft spring 203 is provided with a third electrostatic leading-out terminal 204, and the third electrostatic leading-out terminal 204 is connected with an electrostatic leading-out lead and is connected to the outside of the shell of the paper feeding device;

the paper discharging part 300 is arranged in the casing and is arranged below the cutter assembly 100, and the paper discharging part comprises a first paper discharging shaft 301, a second paper discharging shaft (not shown in the figure) and a paper discharging shaft spring 303;

the first paper output shaft 301 and the second paper output shaft are arranged in parallel and driven by a roll paper driving motor to rotate oppositely; the first paper output shaft 301 and the second paper output shaft are respectively provided with a plurality of guide wheels, and the arrangement position of the guide wheels on the first paper output shaft 301 corresponds to the arrangement position of the guide wheels on the second paper output shaft.

Two ends of the paper output shaft spring 303 are fixedly connected with the end parts of the first paper output shaft 301 and the second paper output shaft respectively; one end of the paper output shaft spring 303 has a fourth electrostatic lead-out terminal 304, and the fourth electrostatic lead-out terminal 304 is connected to an electrostatic lead-out wire and connected to the outside of the housing of the paper feeding device.

Fig. 3 shows a schematic view of the sheet cutting device of the present invention at the time of cutting a sheet.

When the paper feeding device feeds paper to reach a set length, the paper feeding device automatically executes a paper towel cutting operation. The movable knife 7 is limited and moved by setting the rotation number of the cutter driving motor 3. The rack 3 correspondingly has a far end position and a near end position, when the far end position is in the far end position, the movable knife 7 is far away from the static knife 10, and when the near end position is in the near end position, the movable knife 7 and the static knife 10 form shearing.

Before the paper towel is cut, the rack 3 is at a far end position, and a certain distance is reserved between the movable knife 7 and the static knife 10; before the paper towel is cut, the cutter driving motor 3 drives the motor gear 1 to rotate, the rack 2, the cutter rest 4 connected with the front end of the rack 2 and the movable cutter 7 are driven to move towards the direction of the stationary cutter 10 along the direction vertical to the rear shell 9 of the machine core.

The paper towel to be sheared is positioned between the movable knife 7 and the static knife 10, the cutting edge of the static knife 10 and the cutting edge of the movable knife 7 move in a tangent mode, a certain included angle is formed between the cutting edge of the movable knife 7 and the cutting edge of the static knife 10, the movable knife 7 is gradually inserted below the static knife 10 in the tangent mode, and the two cutting edges generate a shearing effect on the paper towel to be sheared.

When the rack 3 reaches the proximal position, the shearing is completed. The driving motor gear 1 rotates reversely to drive the rack 2 and the knife rest 4 and the moving knife 7 connected with the front end of the rack 2 to move along the direction vertical to the rear shell 9 of the machine core and towards the direction far away from the static knife 10. Until the rack reaches the distal position again.

In the process, static electricity generated by friction of the paper towels in the movable knife 7, the static knife 10, the paper feeding part and the paper discharging part is led out through four static leading-out terminals respectively, so that the condition that the paper towels are adsorbed on a paper guide mechanism and a cutter mechanism of the paper feeding device is effectively avoided.

The anti-static paper cutting device provided by the embodiment of the invention is used in the roll paper feeding device, can form an effective conductive closed loop, guides static electricity generated in the paper feeding and cutting processes, and provides guarantee for normal use of the roll paper feeding device

The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.