CN211128353U - Roller static electricity eliminating device based on spring and printer - Google Patents
Roller static electricity eliminating device based on spring and printer Download PDFInfo
- Publication number
- CN211128353U CN211128353U CN201921603525.9U CN201921603525U CN211128353U CN 211128353 U CN211128353 U CN 211128353U CN 201921603525 U CN201921603525 U CN 201921603525U CN 211128353 U CN211128353 U CN 211128353U
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- spring
- roller
- baffle
- rolling shaft
- support
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- 230000003068 static effect Effects 0.000 title claims abstract description 31
- 230000005611 electricity Effects 0.000 title description 16
- 238000005096 rolling process Methods 0.000 claims abstract description 19
- 230000008030 elimination Effects 0.000 claims abstract description 15
- 238000003379 elimination reaction Methods 0.000 claims abstract description 15
- 239000004020 conductor Substances 0.000 claims abstract description 7
- 230000000694 effects Effects 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 4
- 230000002411 adverse Effects 0.000 abstract description 3
- 239000002184 metal Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000000670 limiting effect Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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- Accessory Devices And Overall Control Thereof (AREA)
- Elimination Of Static Electricity (AREA)
Abstract
The utility model discloses a roller bearing electrostatic elimination device and printer based on spring. Spring-based roller static elimination apparatus, comprising: the support is provided with a plurality of bearings and a baffle plate, and the baffle plate is arranged at one end of each bearing; the two ends of the rolling shaft are respectively inserted into the bearings and matched with the bearings, and blind holes are formed in the end parts of the rolling shaft; the spring is arranged between the baffle and the blind hole, the rolling shaft, the spring and the baffle are conductors, and the rolling shaft is electrically connected with the baffle through the spring and is grounded. Has the advantages that: the spring contacts with the end of the roller and is grounded through the baffle plate to form an electrostatic discharge loop, so that the phenomenon of discharge caused by electrostatic accumulation on the roller can be prevented, the adverse effect of static on a printing mechanism is eliminated, and other electronic elements can be prevented from being damaged by the static on the roller. The utility model relates to a printer.
Description
Technical Field
The utility model relates to a printer, in particular to roller bearing electrostatic elimination device and printer based on spring.
Background
Rollers are a common component in printers. The inner core of the roller is generally metal, and the metal inner core of the roller is generally wrapped with an elastic rubber sleeve, so that the surface of the roller has a higher friction coefficient. The roller is used for driving the printed paper to move by self-rotation in the printer. The roller is liable to generate static electricity during friction with the paper.
The lottery ticket printer is printing equipment for printing lottery tickets, and is necessary equipment of a computer lottery ticket terminal. The lottery ticket printer has higher working strength and higher reliability requirement. The rollers of a lottery printer are important components of the printing mechanism. Static electricity is easily generated by the roller in the working process of the lottery ticket printer, and the static electricity can cause data interference on the ticket surface of the lottery ticket during printing, so that the printing effect of the ticket surface is abnormal. The abnormal printing effect of the ticket surface can cause the loss of customers and even legal dispute.
In the prior art, the roller in a lottery ticket printer is generally supported at both ends by plastic bearings. The technical defects of the prior lottery ticket printer are as follows: the plastic bearing has no conductive function and can not eliminate static electricity on the roller. After the static electricity is accumulated to a certain degree, a high-voltage discharge phenomenon can be generated between the two ends of the rolling shaft and the external metal part, so that the face data of the lottery ticket is noisy. In addition, the discharge phenomena caused by static electricity accumulation may also impact other electronic components in the lottery ticket printer, possibly causing damage to the circuitry on the circuit board and chip.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a roller bearing electrostatic elimination device and printer based on spring.
The technical scheme adopted for solving the technical problems is as follows:
spring-based roller static elimination apparatus, comprising: the support is provided with a plurality of bearings and a baffle plate, and the baffle plate is arranged at one end of each bearing; the two ends of the rolling shaft are respectively inserted into the bearings and matched with the bearings, and blind holes are formed in the end parts of the rolling shaft; the spring is arranged between the baffle and the blind hole, the rolling shaft, the spring and the baffle are conductors, and the rolling shaft is electrically connected with the baffle through the spring and is grounded.
The roller static electricity eliminating device based on the spring at least has the following beneficial effects: the spring contacts with the end of the roller and is grounded through the baffle plate to form an electrostatic discharge loop, so that the phenomenon of discharge caused by electrostatic accumulation on the roller can be prevented, the adverse effect of static on a printing mechanism is eliminated, and other electronic elements can be prevented from being damaged by the static on the roller.
As an improvement, the distance between the baffle and the end face of the roller is not more than the diameter of the spring.
The distance between the end faces of the baffle and the roller is not larger than the diameter of the spring, so that the spring is not easy to separate from a gap between the baffle and the roller, and the position of the spring is kept stable in the movement process of the roller.
As an improvement, the bottom surface of the blind hole is circular, and the axis of the blind hole is superposed with the axis of the rolling shaft.
The blind hole has a limiting function on the spring, so that the center of the spring is superposed with the axis of the roller, the relative displacement between the spring and the roller in the self-rotation process of the roller is minimized, and the degree of mutual abrasion between the spring and the roller can be reduced.
As the improvement, the support is the conductor, and the baffle is connected with the support electricity, and the roller bearing, spring and baffle carry out the electricity with the support and realize ground connection through the support.
The baffle realizes the ground connection through the support, is favorable to simplifying the circuit structure of ground connection.
As an improvement, the support is provided with a grounding wire, and the grounding wire is connected with the support through a screw.
The grounding wire is electrically connected with the bracket through a screw, so that an electrostatic discharge loop is formed.
A printer includes a spring-based roller static elimination apparatus.
Drawings
The invention will be further explained with reference to the drawings:
fig. 1 is a schematic structural view of a spring-based roller static electricity eliminating apparatus according to an embodiment of the present invention;
fig. 2 is an exploded view of a roller static electricity eliminating apparatus based on a spring according to an embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 2, the roller 4 static elimination device based on the spring 6 comprises: the device comprises a support 1, wherein two bearings 2 and a baffle 3 are arranged on the support 1, and the baffle 3 is arranged at one end of each bearing 2; the two ends of the rolling shaft 4 are respectively inserted into the bearings 2 and matched with the bearings 2, and blind holes 5 are formed in the end parts of the rolling shaft 4; the spring 6 is arranged between the baffle 3 and the blind hole 5, the rolling shaft 4, the spring 6 and the baffle 3 are conductors, and the rolling shaft 4 is electrically connected with the baffle 3 through the spring 6 and is grounded.
The roller 4 static elimination device based on the spring 6 at least has the following beneficial effects: the spring 6 is contacted with the end of the roller 4 and is grounded through the baffle 3 to form an electrostatic discharge loop, so that the phenomenon of discharge caused by electrostatic accumulation on the roller 4 can be prevented, the adverse effect of static on a printing mechanism is eliminated, and other electronic elements can be prevented from being damaged by the static on the roller 4.
Regarding the bracket 1, the number of the bearings 2 on the bracket 1 of the present embodiment is two, and the two bearings 2 respectively provide support for the roller 4 from both ends of the roller 4, so that the roller 4 can rotate on the bearings 2.
Regarding the bracket 1, the number of the bearings 2 on the bracket 1 of the present embodiment is two, and the two bearings 2 respectively provide support for the roller 4 from both ends of the roller 4, so that the roller 4 can rotate on the bearings 2.
Regarding the roller 4, the roller 4 of the present embodiment is made of metal, the roller 4 is cylindrical, and the blind hole 5 is disposed at one end of the roller 4. The roller 4 is also provided with a rubber sleeve 7 to form a rubber roller, and the rubber sleeve 7 has certain elasticity. In the printer, the roller 4 and the rubber sleeve 7 drive the paper to move in the printer through self-rotation. Static electricity is possibly generated during the contact of the rubber sleeve 7 and the roller 4, and the conductive roller 4, the spring 6 and the baffle 3 discharge the static electricity through grounding.
Regarding the spring 6, the spring 6 of the present embodiment is disposed between the baffle 3 and the blind hole 5, and in the assembled state shown in fig. 1, the spring 6 is in a compressed state, and both ends of the spring 6 are in contact with the roller 4 and the baffle 3, respectively, so that the roller 4 and the baffle 3 are electrically connected.
Preferably, the distance between the baffle 3 and the end face of the roller 4 is not greater than the diameter of the spring 6.
The distance between the end faces of the baffle 3 and the roller 4 is not larger than the diameter of the spring 6, so that the spring 6 is not easy to be separated from the gap between the baffle 3 and the roller 4, and the spring 6 keeps stable in position in the movement process of the roller 4.
The length of the roller 4 is larger than that of the rubber sleeve 7, a shaft shoulder is formed on the part, extending out of the rubber sleeve 7, of the roller 4, and the shaft shoulder has an axial positioning effect on the bearing 2, so that the distance between the roller 4 and the baffle 3 is stable and controllable.
Preferably, the bottom surface of the blind hole 5 is circular, and the axis of the blind hole 5 coincides with the axis of the roller 4.
The axle center of the blind hole 5 coincides with the axle center of the roller 4, and the blind hole 5 has a limiting effect on the spring 6, so that the center of the spring 6 coincides with the axle center of the roller 4, the relative displacement between the spring 6 and the roller 4 in the rotation process of the roller 4 is minimized, and the degree of mutual abrasion between the spring 6 and the roller 4 can be reduced.
Preferably, the bracket 1 is a conductor, the baffle 3 is electrically connected with the bracket 1, and the roller 4, the spring 6 and the baffle 3 are electrically connected with the bracket 1 and grounded through the bracket 1.
Baffle 3 realizes ground connection through support 1, is favorable to simplifying the circuit structure of ground connection.
The support 1 and the baffle 3 of this embodiment are integrative, and the quantity of baffle 3 is two, and two baffle 3 set up respectively at the both ends of roller 4. The baffle 3 and the bracket 1 constitute the housing of the roller 4 static elimination device based on the spring 6 of the embodiment. The holder 1 and the baffle 3 of this embodiment are made of metal.
Preferably, the bracket 1 is provided with a ground wire 8, and the ground wire 8 is connected to the bracket 1 by a screw.
The grounding wire 8 is electrically connected with the bracket 1 through a screw, so that an electrostatic discharge loop is formed.
The printer comprises a roller 4 static electricity eliminating device based on a spring 6.
Claims (6)
1. Roller shaft electrostatic elimination device based on spring, its characterized in that includes:
the device comprises a support, a bearing and a baffle plate, wherein the support is provided with a plurality of bearings and the baffle plate is arranged at one end of each bearing;
the two ends of the rolling shaft are respectively inserted into the bearings and matched with the bearings, and blind holes are formed in the end parts of the rolling shaft;
the spring is arranged between the baffle and the blind hole, the rolling shaft, the spring and the baffle are conductors, and the rolling shaft is electrically connected with the baffle through the spring and is grounded.
2. The spring-based roller static elimination apparatus of claim 1, wherein: the distance between the baffle and the end face of the roller is not larger than the diameter of the spring.
3. The spring-based roller static elimination apparatus of claim 2, wherein: the bottom surface of the blind hole is circular, and the axis of the blind hole is superposed with the axis of the rolling shaft.
4. The spring-based roller static elimination apparatus according to any one of claims 1 to 3, wherein: the support is a conductor, the baffle is electrically connected with the support, and the roller, the spring and the baffle are electrically connected with the support and grounded through the support.
5. The spring-based roller static elimination apparatus of claim 4, wherein: and the support is provided with a grounding wire, and the grounding wire is connected with the support through a screw.
6. A printer, characterized by: comprising the spring-based roller static elimination apparatus of any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603525.9U CN211128353U (en) | 2019-09-25 | 2019-09-25 | Roller static electricity eliminating device based on spring and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921603525.9U CN211128353U (en) | 2019-09-25 | 2019-09-25 | Roller static electricity eliminating device based on spring and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211128353U true CN211128353U (en) | 2020-07-28 |
Family
ID=71705824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921603525.9U Active CN211128353U (en) | 2019-09-25 | 2019-09-25 | Roller static electricity eliminating device based on spring and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211128353U (en) |
-
2019
- 2019-09-25 CN CN201921603525.9U patent/CN211128353U/en active Active
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