CN216623290U

CN216623290U - Wrong character recognition device of test paper

Info

Publication number: CN216623290U
Application number: CN202123311736.5U
Authority: CN
Inventors: 霍凤仙
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-27
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a test paper wrong character recognition device which comprises a base, wherein a box body is fixedly connected to the outer wall of the top end of the base, sliding grooves are formed in the inner walls of two sides of the box body, a support is connected to the inner wall of each sliding groove in a sliding mode, hydraulic rods are installed at four corners of the inner wall of the bottom of the box body, one end of a piston rod of each hydraulic rod is connected with the support, a fixed block is fixedly connected to the outer wall of one side of the support, a motor is installed on the outer wall of one side of the fixed block, and one end of an output shaft of each motor is connected with a rotating roller through a coupler. According to the utility model, the supporting block drives the sliding rod and the recognition mechanism to move towards two sides separately, the pressing strip is pressed to flatten the folds of the test paper before recognition, the wrongly written characters are completely recognized, four parts on two sides of the test paper can be recognized simultaneously at one time, the folds of the test paper are also flattened before recognition, the phenomenon that the wrongly written characters are not clearly recognized is avoided, and the use efficiency of the recognition device is improved.

Description

Wrong character recognition device of test paper

Technical Field

The utility model relates to the technical field of wrong character recognition equipment, in particular to a wrong character recognition device for a test paper.

Background

Generally, a test paper is used for testing and learning results during learning, recognition of wrongly written characters in the learning process is particularly important, and recognition of wrongly written characters is generally performed through a special recognition device for quick and accurate recognition, but the wrongly written character recognition device in the market is simple in structure at present, the test paper is composed of two surfaces and four parts, recognition of one surface or one part of four parts can be performed at one time, wrinkles often exist in the test paper, the phenomenon that recognition of wrongly written characters is not clear is caused, and the use efficiency of the recognition device is reduced.

Disclosure of Invention

The utility model aims to provide a test paper wrong word identification device to solve the problems in the background technology.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a device for identifying wrong characters of test paper comprises a base, wherein a box body is fixedly connected to the outer wall of the top end of the base, sliding grooves are formed in the inner walls of two sides of the box body, a support is connected to the inner wall of each sliding groove in a sliding mode, hydraulic rods are mounted at four corners of the inner wall of the bottom of the box body, one end of a piston rod of each hydraulic rod is connected with the support, a fixed block is fixedly connected to the outer wall of one side of the support, a motor is mounted on the outer wall of one side of the fixed block, one end of an output shaft of the motor is connected with a rotating roller through a coupler, a bidirectional threaded rod is fixedly connected to the outer wall of the other side of the rotating roller, supporting blocks are connected to the outer walls of two sides of the bidirectional threaded rod through threads, sliding rails are arranged on the inner walls of the top and the bottom of the support, sliding rods are connected with the supporting blocks in a sliding mode, pressing strips are bonded to the outer walls of the other sides of the sliding rods, and the outer wall of the other side of the sliding rod is provided with an identification mechanism.

Furthermore, a rectangular groove is formed in the outer wall of the bottom of the support, a bottom plate is connected to the inner wall of the rectangular groove in a sliding mode, and a limiting rod is fixedly connected to the outer wall of one side of the bottom of the support.

Further, the equal rigid coupling in one side outer wall on bottom plate top has the riser, the riser all slides with the gag lever post and is connected, the outer wall of gag lever post all overlaps and is equipped with the spring.

Further, the spring all is connected with support and riser, the lamp stand is all installed to the both sides inner wall of box, the opposite side outer wall of lamp stand all has the light through threaded connection.

Further, the top outer wall rigid coupling of box has the roof, the bell mouth has been seted up to the top outer wall of roof, the unloading hole has been seted up to the top outer wall of box, the bell mouth is located the unloading hole directly over.

Furthermore, the outer wall of the top end of the base is provided with a blanking hole, and the blanking hole is located under the top plate.

Further, a display screen is installed on the outer wall of one side of the base, and the display screen is connected with the identification mechanism.

Further, the another side outer wall of support one side all the rigid coupling have the annular plate, the annular plate all is connected with two-way threaded rod, the lamp stand all with identification mechanism's high looks adaptation.

Compared with the prior art, the utility model has the beneficial effects that:

1. the device for identifying the wrong characters of the test paper is characterized in that the test paper is vertically put into a box body through a conical hole of a top plate by arranging the box body, a motor, a bracket, a sliding rod, a pressing strip, an identification mechanism, a hydraulic rod and a bidirectional threaded rod, the bottom plates at the bottom of the bracket are mutually connected to support the test paper, meanwhile, the hydraulic rod drives the brackets at the two sides to be close, the pressing strip arranged at the other side of the sliding rod slightly presses the test paper, then the motor drives the bidirectional threaded rod to rotate, thereby driving the sliding rod and the recognition mechanism to move towards two sides separately through the supporting block, flattening the folds of the test paper by pressing the pressing strip before recognition, completely recognizing the wrongly written characters, the two-sided four parts of the test paper can be simultaneously identified at one time, and the folds of the test paper are also flattened before identification, so that the phenomenon that the wrongly written characters are not clearly identified is avoided, and the use efficiency of the identification device is improved.

2. This be used for wrong word recognition device of examination paper, through being provided with display screen and lamp stand, the light that the lamp stand of box both sides is connected carries out the light filling, and the information very first time of discernment is transmitted the display screen and is shown by the display screen demonstration and conveniently watch, has improved the practicality of device.

3. This be used for examination paper recognition device that wrongly appears, through being provided with bottom plate and spring, the bottom plate moves after that when the support draws close, and the support is separately after the discernment is accomplished, and later the bottom plate also separates, and the bottom plate resets under the spring action, and the examination paper drops from the bottom, and the convenience is supported spacingly to the examination paper.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the utility model and together with the description serve to explain the utility model without limiting the utility model. In the drawings:

FIG. 1 is a schematic diagram of an overall structure of a device for identifying wrong characters in a test paper according to the present invention;

FIG. 2 is a schematic diagram of an identification structure of a device for identifying wrong characters in a test paper according to the present invention;

FIG. 3 is a schematic diagram of a bracket structure of a device for identifying wrong characters in a test paper according to the present invention;

fig. 4 is an exploded view of a sliding rod connection structure of a test paper wrong word recognition device according to the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 2. a display screen; 3. a support; 4. a motor; 5. a bidirectional threaded rod; 6. a box body; 7. a top plate; 8. a lamp socket; 9. a hydraulic lever; 10. a slide bar; 11. an identification mechanism; 12. pressing the pressing strip; 13. a base plate; 14. a spring; 15. a limiting rod; 16. and (7) a supporting block.

Detailed Description

The principles and features of this invention are described below in conjunction with the following drawings, which are set forth by way of illustration only and are not intended to limit the scope of the utility model. The utility model is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. Advantages and features of the present invention will become apparent from the following description and from the claims. It is to be noted that the drawings are in a very simplified form and are not to precise scale, which is merely for the purpose of facilitating and distinctly claiming the embodiments of the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 4, in the embodiment of the present invention, a device for identifying a wrong character of a test paper comprises a base 1, wherein a box 6 is fixedly connected to an outer wall of a top end of the base 1, sliding grooves are formed in inner walls of two sides of the box 6, a bracket 3 is slidably connected to the inner walls of the sliding grooves, hydraulic rods 9 are respectively installed at four corners of an inner wall of a bottom of the box 6, one ends of piston rods of the hydraulic rods 9 are respectively connected to the bracket 3, a fixed block is fixedly connected to an outer wall of one side of the bracket 3, a motor 4 is installed on an outer wall of one side of the fixed block, one end of an output shaft of the motor 4 is respectively connected to a rotating roller through a coupling, a bidirectional threaded rod 5 is fixedly connected to an outer wall of the other side of the rotating roller, supporting blocks 16 are respectively connected to outer walls of two sides of the bidirectional threaded rod 5 through threads, sliding rails are respectively arranged on an inner wall of a top portion and an inner wall of a bottom portion of the bracket 3, sliding rails are respectively connected to a sliding rod 10, and the sliding rod 10 is connected to the supporting blocks 16, the pressing strips 12 are bonded on the outer wall of the other side of the sliding rod 10, and the identification mechanisms 11 are arranged on the outer wall of the other side of the sliding rod 10.

In the utility model, rectangular grooves are formed in the outer wall of the bottom of the support 3, the inner walls of the rectangular grooves are connected with a bottom plate 13 in a sliding mode, and a limiting rod 15 is fixedly connected to the outer wall of one side of the bottom of the support 3.

In the utility model, the outer wall of one side of the top end of the bottom plate 13 is fixedly connected with a vertical plate, the vertical plate is connected with a limiting rod 15 in a sliding manner, and the outer wall of the limiting rod 15 is sleeved with a spring 14.

In the utility model, the springs 14 are connected with the bracket 3 and the vertical plate, the inner walls of two sides of the box body 6 are respectively provided with the lamp holder 8, and the outer wall of the other side of the lamp holder 8 is respectively connected with the illuminating lamp through threads.

In the utility model, the top outer wall of the box body 6 is fixedly connected with the top plate 7, the top outer wall of the top plate 7 is provided with a tapered hole, the top outer wall of the box body 6 is provided with a blanking hole, and the tapered hole is positioned right above the blanking hole.

In the utility model, the outer wall of the top end of the base 1 is provided with a blanking hole, and the blanking hole is positioned right below the top plate 7.

In the utility model, a display screen 2 is arranged on the outer wall of one side of a base 1, and the display screen 2 is connected with an identification mechanism 11.

In the utility model, the outer wall of the other side of one side of the bracket 3 is fixedly connected with an annular plate which is connected with the bidirectional threaded rod 5, and the lamp holder 8 is matched with the height of the identification mechanism 11.

The working principle of the utility model is as follows: when a test paper wrong character recognition device is needed to be used, a test paper is vertically put into the box body 6 through the tapered hole of the top plate 7, then the bottom plates 13 at the bottoms of the supports 3 are connected with each other to support the test paper, meanwhile, the hydraulic rod 9 acts to drive the supports 3 at two sides to be drawn together, the pressing strip 12 arranged at the other side of the sliding rod 10 slightly presses the test paper, then the motor 4 acts to drive the bidirectional threaded rod 5 to rotate, so that the sliding rod 10 and the recognition mechanism 11 are driven to move towards two sides separately through the supporting block 16, before recognition, the pressing strip 12 presses wrinkles of the test paper to be flattened, wrong characters are completely recognized, recognized information is transmitted to the display screen 2 at the first time and is displayed by the display screen 2 to be conveniently viewed, when the supports 3 are drawn together, the bottom plates 13 move backwards along with the supports 3 after recognition is completed, then the bottom plates 13 are also separated, the bottom plates 13 reset under the action of the springs 14, the test paper falls from the bottom, the lighting lamps connected with the lamp holders 8 on the two sides of the box body 6 are used for supplementing light, and the use process of the test paper wrong character recognition device is completed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. The device for identifying the wrong characters of the test paper comprises a base (1) and is characterized in that a box body (6) is fixedly connected to the outer wall of the top end of the base (1), sliding grooves are formed in the inner walls of two sides of the box body (6), a support (3) is connected to the inner wall of each sliding groove in a sliding mode, hydraulic rods (9) are mounted at four corners of the inner wall of the bottom of the box body (6), one ends of piston rods of the hydraulic rods (9) are connected with the support (3), fixed blocks are fixedly connected to the outer wall of one side of the support (3), a motor (4) is mounted on the outer wall of one side of each fixed block, one end of an output shaft of the motor (4) is connected with a rotating roller through a coupler, a bidirectional threaded rod (5) is fixedly connected to the outer wall of the other side of the rotating roller, and supporting blocks (16) are connected to the outer walls of two sides of the bidirectional threaded rod (5) through threads, the top and the bottom inner wall of support (3) all are provided with the slide rail, the equal sliding connection of inner wall of slide rail has slide bar (10), slide bar (10) all are connected with supporting shoe (16), the opposite side outer wall of slide bar (10) all bonds and has according to layering (12), the another side outer wall of slide bar (10) all is provided with identification mechanism (11).

2. The test paper wrong word recognition device according to claim 1, characterized in that the outer wall of the bottom of the support (3) is provided with a rectangular groove, the inner wall of the rectangular groove is connected with a bottom plate (13) in a sliding manner, and the outer wall of one side of the bottom of the support (3) is fixedly connected with a limiting rod (15).

3. The test paper wrong word recognition device according to claim 2, characterized in that a vertical plate is fixedly connected to the outer wall of one side of the top end of the bottom plate (13), the vertical plate is slidably connected with a limiting rod (15), and a spring (14) is sleeved on the outer wall of the limiting rod (15).

4. The test paper wrong word recognition device according to claim 3, characterized in that the springs (14) are connected with the support (3) and the vertical plate, lamp holders (8) are mounted on the inner walls of the two sides of the box body (6), and illuminating lamps are connected to the outer walls of the other sides of the lamp holders (8) through threads.

5. The test paper wrong word recognition device according to claim 1, characterized in that a top plate (7) is fixedly connected to the outer wall of the top of the box body (6), a tapered hole is formed in the outer wall of the top end of the top plate (7), a blanking hole is formed in the outer wall of the top end of the box body (6), and the tapered hole is located right above the blanking hole.

6. The test paper wrong word recognition device according to claim 1, characterized in that a blanking hole is formed in the outer wall of the top end of the base (1), and the blanking hole is located right below the top plate (7).

7. The test paper wrong word recognition device according to claim 1, characterized in that a display screen (2) is installed on the outer wall of one side of the base (1), and the display screens (2) are connected with the recognition mechanism (11).

8. The test paper wrong word recognition device according to claim 4, characterized in that the outer wall of the other side of one side of the support (3) is fixedly connected with an annular plate, the annular plates are connected with the bidirectional threaded rod (5), and the lamp holders (8) are matched with the height of the recognition mechanism (11).