CN212798972U

CN212798972U - Paper quantity detection device

Info

Publication number: CN212798972U
Application number: CN202020974189.5U
Authority: CN
Inventors: 汪海涵; 吴振谦; 何承晔; 殷金曙; 童震侠; 蒋志迪; 陈孝建; 陈炜
Original assignee: College of Science and Technology of Ningbo University
Current assignee: College of Science and Technology of Ningbo University
Priority date: 2020-06-01
Filing date: 2020-06-01
Publication date: 2021-03-26
Anticipated expiration: 2030-06-01

Abstract

The utility model relates to a paper quantity detection device, which comprises a first polar plate, a second polar plate, a detection bracket, a pressing block and a driving component arranged on the detection bracket; the driving component drives the pressing block to move along a preset motion track until the paper is pressed; the first polar plate is arranged on the detection support, and the second polar plate is arranged on the lower side of the pressing block and is opposite to the first polar plate. The utility model discloses can compress tightly the paper through the compact heap, avoid the paper to influence measuring accuracy because of the unevenness.

Description

Paper quantity detection device

Technical Field

The utility model belongs to the technical field of the technique that the paper detected and specifically relates to a paper quantity detection device is related to.

Background

Most of the paper counting devices in the market at present depend on mechanical operation to realize counting one by one, and the most common paper counting device is a cash counter; the paper counting device has the advantages of low speed, low efficiency and high noise, and the paper is easy to be blocked if the paper is not placed neatly during counting.

In order to realize accurate paper quantity detection, different paper is placed between two polar plates of a capacitor, so that the capacitance value between the two polar plates is changed, then the capacitance value change is converted into a corresponding voltage value through a hardware circuit, and the specific paper quantity is determined according to the mapping relation between the voltage value and the paper quantity, so that accurate measurement is realized.

But in the process of measuring comparatively old paper through foretell measuring method, error appears easily, because the old paper of breakage is not level and smooth, so the clearance appears easily between paper and the paper, and then leads to the interval increase between two polar plates, produces detection error, so the paper quantity detection device who uses at present has certain improvement space.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a paper quantity detection device can compress tightly the paper through the compact heap, avoids the paper to influence measuring accuracy because of the unevenness.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a paper quantity detection device comprises a first polar plate, a second polar plate, a detection support, a pressing block and a driving assembly arranged on the detection support; the driving component drives the pressing block to move along a preset motion track until the paper is pressed; the first polar plate is arranged on the detection support, and the second polar plate is arranged on the lower side of the pressing block and is opposite to the first polar plate.

By adopting the technical scheme, the detection support provides a certain space for detecting the number of the paper sheets, and the driving assembly drives the pressing block to press the paper sheets on the detection support; after the compaction is completed, the first polar plate and the second polar plate are positioned on two sides of the paper, the distance between the first polar plate and the second polar plate is kept stable, and the data detected between the first polar plate and the second polar plate is accurate so as to obtain the corresponding number of the paper.

The present invention may be further configured in a preferred embodiment as: the detection support comprises a support body, an extension plate extending towards the pressing block is arranged on the support body, one side, close to the pressing block, of the extension plate is bent to form a butt joint plate, and the butt joint plate is mutually abutted to the pressing block.

Through adopting above-mentioned technical scheme, the setting of extension board can form certain orbit guide, and the compact heap removes at the in-process of conflict butt joint board promptly to make the compact heap to keep the mutual just right position of first polar plate and second polar plate at the removal in-process, reduce the risk that first polar plate and second polar plate take place the dislocation.

The present invention may be further configured in a preferred embodiment as: the extension board is provided with two and symmetry sets up in the both sides of support body.

Through adopting above-mentioned technical scheme, the extension board that the symmetry set up for the structure is more stable, and the butt board that corresponds on two extension boards promptly butts respectively in the both sides of compact heap, makes the compact heap more steady at the removal in-process, reduces the risk that takes place to rock and misplace.

The present invention may be further configured in a preferred embodiment as: one side of keeping away from the compact heap on the support body is provided with the board of placing that the power supply circuit board was placed.

Through adopting above-mentioned technical scheme, the setting of placing the board can provide a mounted position for the installation of circuit board, installs the circuit board simultaneously and can effectively avoid the indiscriminate condition of placing of circuit board on placing the board, also can reduce the risk that damages the circuit board carelessly and lead to the unable use of equipment.

The present invention may be further configured in a preferred embodiment as: one side of placing the board upside and being close to the support body is provided with the spacing trip of being connected with the support body slides, the one end of spacing trip is erect on the extension board.

Through adopting above-mentioned technical scheme, spacing trip can the joint on the support body, can slide with the support body simultaneously under spacing trip's effect and be connected to through erectting the fixed of placing the board of realization on the extension board, the installation and the fixing of board can conveniently be placed in whole mechanism design, also conveniently dismantlement, change simultaneously and place the board.

The present invention may be further configured in a preferred embodiment as: the frame body is provided with a through hole for the lead on the circuit board to penetrate through.

Through adopting above-mentioned technical scheme for the wire that needs to be connected to first polar plate and second polar plate only pulls out from fenestrate position, effectively avoids the mixed and disorderly condition of wire, improves the clean and tidy nature of whole equipment, also can reduce the risk of the wire of breaking carelessly simultaneously.

The present invention may be further configured in a preferred embodiment as: the detection support further comprises a bearing plate which is detachably connected with the support body and used for placing paper, and the first pole plate is placed on the bearing plate.

The present invention may be further configured in a preferred embodiment as: the support body is provided with a first clamping plate and a second clamping plate in sequence along the direction from top to bottom, the first clamping plate and the second clamping plate are parallel to each other, and a slot for the bearing plate to be inserted is formed between the first clamping plate and the second clamping plate.

The present invention may be further configured in a preferred embodiment as: the thickness of the first clamping plate is the same as that of the first polar plate.

By adopting the technical scheme, the bearing plate is inserted into the slot between the first clamping plate and the second clamping plate, whether the bearing plate is inserted for use or not can be selected according to actual conditions, if the bearing plate is not required to be used, the bearing plate can be directly pulled out of the slot, and the bearing plate is flexible to use and more convenient to use; the thickness of the first clamping plate is the same as that of the first polar plate, so that the flatness of paper placed on the bearing plate can be guaranteed, and the detection precision cannot be influenced due to the fact that the paper is wrinkled due to the fact that uneven positions exist.

The present invention may be further configured in a preferred embodiment as: the driving assembly comprises a first expansion plate and a second expansion plate, and a sliding cavity for the first expansion plate to penetrate and slide is arranged in the second expansion plate; one side that first expansion plate is close to the detection support is articulated with the top that detects the support, one side that the second expansion plate is close to the compact heap is articulated each other with the compact heap, be provided with on the compact heap and supply second expansion plate pivoted groove of stepping down.

Through adopting above-mentioned technical scheme, the compact heap takes place to remove under the gravity drive of self, can further restrict the motion trail of compact heap through the setting of first expansion plate and second expansion plate, avoids taking place the condition appearance of rocking, improves the stability of structure.

To sum up, the utility model discloses a following at least one useful technological effect: can compress tightly the paper through the compact heap, avoid the paper to influence measuring accuracy because of the unevenness.

Drawings

Fig. 1 is a schematic configuration diagram of a sheet number detection apparatus.

Fig. 2 is a front view of the sheet number detection device.

Fig. 3 is a sectional view of a portion a-a in fig. 2.

In the figure, 1, a first polar plate; 2. a second polar plate; 3. detecting the bracket; 31. a frame body; 311. a first clamping plate; 312. a second clamping plate; 313. a slot; 314. an extension plate; 315. a butt joint plate; 316. placing the plate; 3161. a limiting clamping hook; 317. perforating; 32. a support plate; 4. a compression block; 41. a yielding groove; 5. a drive assembly; 51. a first expansion plate; 52. a second expansion plate; 521. and a sliding cavity.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a device for detecting the amount of paper disclosed by the present invention comprises a first polar plate 1, a second polar plate 2, a detecting bracket 3, a pressing block 4 and a driving assembly 5 arranged on the detecting bracket 3; the first polar plate 1 is arranged on the detection support 3, and the second polar plate 2 is arranged on the lower side of the pressing block 4 and is opposite to the first polar plate 1; in the detection process, the driving component 5 drives the pressing block 4 to move along a preset motion track until the paper is pressed; at this time, the first polar plate 1 and the second polar plate 2 are located on two sides of the paper, and the distance between the first polar plate 1 and the second polar plate 2 is kept stable, and the data detected between the first polar plate 1 and the second polar plate 2 is accurate in this state, so that the corresponding number of the paper can be obtained conveniently.

The detecting bracket 3 includes a bracket body 31 and a supporting plate 32 detachably connected to the bracket body 31 and used for placing paper.

The first polar plate 1 is placed on the supporting plate 32, and for the convenience of installing the supporting plate 32, a first clamping plate 311 and a second clamping plate 312 are sequentially arranged on the frame body 31 along the direction from top to bottom, the first clamping plate 311 and the second clamping plate 312 are parallel to each other, and a slot 313 for the supporting plate 32 to be inserted is arranged between the first clamping plate 311 and the second clamping plate 312; the bearing plate is inserted into the slot 313 between the first clamping plate 311 and the second clamping plate 312, whether the bearing plate is inserted for use can be selected according to actual conditions, if the bearing plate is not required to be used, the bearing plate is directly pulled out of the slot 313, and the bearing plate is flexible to use and more convenient to use; first grip block 311 and second grip block 312 can both be connected to support body 31 as an organic whole, also can be fixed in support body 31 through modes such as bolt or welding, can set up according to actual conditions. The thicknesses of the first clamping plate 311 and the second clamping plate 312 are small, so that the influence on the paper detection can be avoided as much as possible.

In order to further avoid affecting the detection of the paper, the thickness of the first clamping plate 311 is set to be the same as that of the first polar plate 1; the flatness of the paper placed on the bearing plate 32 can be ensured, and the detection precision is not influenced by the fact that the paper is wrinkled due to the fact that uneven places exist.

Be provided with the extension board 314 that extends towards compact heap 4 on the support body 31, extension board 314 is provided with two and symmetry and sets up in the both sides of support body 31, and one side that extension board 314 is close to compact heap 4 is bent and is had butt joint board 315, and butt joint board 315 contradicts each other with compact heap 4. The bending directions of the abutting plates 315 may be set according to practical situations, that is, the bending directions of the two abutting plates 315 may be toward the same direction, or may be toward opposite directions, and in this embodiment, it is preferable to adopt bending toward opposite directions, and the two abutting plates 315 are bent along the opposite directions.

A placing plate 316 for placing the circuit board is arranged on one side of the frame body 31 far away from the pressing block 4.

The placing board 316 may be directly mounted on the surface of the placing board 316 by bolts in the process of placing the circuit board, or a placing cavity for placing the circuit board may be formed inside the placing board 316, so that the circuit board is preferably placed inside the placing board 316 in order to ensure the aesthetic property of the whole device.

The placing plate 316 and the frame body 31 can be directly fixedly connected or detachably connected; if the placing plate 316 and the frame body 31 are fixedly connected, that is, the fixing between the two can be realized by welding, integral connection, and the like; if the placing plate 316 is detachably connected to the frame 31, the detachable connection between the placing plate and the frame can be realized by bolts, buckles, and the like; in this embodiment, the placing plate 316 and the shelf body 31 are preferably detachably connected, and the detachable connection structure is as follows:

the upper side of the placing plate 316 and one side close to the shelf body 31 are provided with two limiting hooks 3161 connected with the shelf body 31 in a sliding manner, the two limiting hooks 3161 are symmetrically arranged on two sides of the placing plate 316, the two limiting hooks 3161 hook two sides of the shelf body 31 to limit the movement track of the placing plate 316 and the shelf body 31 in sliding manner, and only up-and-down sliding between the placing plate 316 and the shelf body 31 is kept; the extending plate 314 is disposed on a moving track of the placing plate 316 and the frame body 31, that is, in the sliding process of the placing plate 316, one end of the limiting hook 3161 is erected on the extending plate 314, so that the placing plate 316 is mounted on the frame body 31; if the placing plate 316 needs to be detached, the placing plate can be directly slid out from the last time of the shelf body 31.

In order to avoid the disorder of the wires, the frame body 31 is provided with a through hole 317 for the wires on the circuit board to pass through, as shown in fig. 3; so that the wires that need to be connected to the first and

second plates

1, 2 are only pulled out from the position of the through hole 317, improving the tidiness of the whole device while also reducing the risk of inadvertently breaking the wires.

The driving assembly 5 can drive the pressing block 4 to move along a preset motion track until the paper is pressed; in this process, the drive assembly 5 may be implemented in various forms; firstly, the gravity of the compaction block 4 is used as a power source for driving; secondly, the driving is carried out by taking an external driving piece as a power source, such as an air cylinder, a hydraulic cylinder and the like; in this embodiment, it is preferable to use the gravity of the pressing block 4 as a power source for driving, and the specific results are as follows:

the driving assembly 5 comprises a first expansion plate 51 and a second expansion plate 52, and a sliding cavity 521 for the first expansion plate 51 to penetrate and slide is arranged in the second expansion plate 52; one side that first expansion plate 51 is close to detection support 3 is articulated with the top that detects support 3, and one side that second expansion plate 52 is close to compact heap 4 is articulated each other with compact heap 4, is provided with on the compact heap 4 to supply second expansion plate 52 pivoted groove 41 of stepping down. In order to improve the stability of compact heap 4 in-process that slides, so first expansion plate 51 and second expansion plate 52 set up in the position between two extension boards 314, make the mutual articulated position of second expansion plate 52 and compact heap 4 be the intermediate position of compact heap 4 promptly, and then guarantee stability. The above hinged structure is realized by the cooperation of the hinge shafts arranged at the corresponding positions.

The implementation principle of the embodiment is as follows: paper is placed on the supporting plate 32 and located between the first polar plate 1 and the second polar plate 2, and the paper is pressed by the pressing block 4 moving under the self gravity drive; after the distance between the first polar plate 1 and the second polar plate 2 is kept stable, the voltage value detected between the first polar plate 1 and the second polar plate 2 in the state is collected, and then the specific paper quantity is determined according to the mapping relation between the voltage value and the paper quantity.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a paper quantity detection device, includes first polar plate (1) and second polar plate (2), characterized by: the device also comprises a detection bracket (3), a compaction block (4) and a driving component (5) arranged on the detection bracket (3); the driving component (5) drives the pressing block (4) to move along a preset motion track until the paper is pressed; the first polar plate (1) is arranged on the detection support (3), and the second polar plate (2) is arranged on the lower side of the pressing block (4) and is opposite to the first polar plate (1).

2. The paper quantity detection device according to claim 1, wherein: the detection support (3) comprises a support body (31), an extension plate (314) extending towards the pressing block (4) is arranged on the support body (31), one side, close to the pressing block (4), of the extension plate (314) is bent to form a butt joint plate (315), and the butt joint plate (315) and the pressing block (4) are mutually abutted.

3. The paper quantity detection device according to claim 2, wherein: the extension plates (314) are arranged on two sides of the frame body (31) symmetrically.

4. The paper quantity detection device according to claim 2, wherein: and a placing plate (316) for placing a circuit board is arranged on one side of the frame body (31) far away from the pressing block (4).

5. The paper quantity detection device according to claim 4, wherein: one side of placing board (316) upside and being close to support body (31) is provided with spacing trip (3161) of sliding connection with support body (31), the one end of spacing trip (3161) is erect on extension board (314).

6. The sheet quantity detection apparatus according to claim 4 or 5, wherein: the frame body (31) is provided with a through hole (317) for the lead wire on the circuit board to penetrate through.

7. The paper quantity detection device according to claim 2, wherein: the detection support (3) further comprises a bearing plate (32) which is detachably connected with the support body (31) and used for placing paper, and the first pole plate (1) is placed on the bearing plate (32).

8. The paper quantity detection device according to claim 7, wherein: the frame body (31) is provided with a first clamping plate (311) and a second clamping plate (312) in sequence along the direction from top to bottom, the first clamping plate (311) and the second clamping plate (312) are parallel to each other, and a slot (313) for the bearing plate (32) to be inserted is formed between the first clamping plate and the second clamping plate.

9. The paper quantity detection device according to claim 8, wherein: the thickness of the first clamping plate (311) is the same as that of the first polar plate (1).

10. The paper quantity detection device according to claim 1, wherein: the driving assembly (5) comprises a first expansion plate (51) and a second expansion plate (52), and a sliding cavity (521) for the first expansion plate (51) to penetrate and slide is arranged in the second expansion plate (52); one side that first expansion plate (51) is close to detection support (3) is articulated with the top that detects support (3), one side that second expansion plate (52) are close to compact heap (4) is articulated each other with compact heap (4), be provided with on compact heap (4) and supply second expansion plate (52) pivoted groove of stepping down (41).