Positioning mechanism for answer sheet cutting machine

Abstract

The utility model relates to the technical field of answer sheet production, and discloses a positioning mechanism for an answer sheet cutting machine, which comprises a main board, a pushing component is mounted at the top of the main board and used for positioning and pushing an answer sheet, a cutting component is mounted at the top of the main board and used for cutting the answer sheet, and the cutting component is used for cutting the answer sheet. The propelling assembly comprises a first servo motor; according to the positioning mechanism for the answer sheet cutting machine, by means of threaded connection between a second threaded column and a positioning plate, the positioning plate slides on the surface of the main plate, then the position of the positioning plate is adjusted, the length of an answer sheet cut by a cutting assembly is adjusted, by means of threaded connection between a first threaded column and a push plate, the push plate can push the answer sheet to move, and the cutting efficiency is improved. The cutting assembly is used for cutting the answer sheet until the push plate pushes the answer sheet to make contact with the positioning plate, after cutting is completed, the cut answer sheet can be removed, then the push plate is used for pushing the answer sheet to be attached to the positioning plate, and therefore continuous cutting can be conducted.

Description

Technical Field

[0001] This utility model relates to the field of answer sheet production technology, specifically a positioning mechanism for an answer sheet cutting machine. Background Technology

[0002] Answer sheets are the carriers of information input by optical mark readers. They are a general term for various information entry forms used with optical mark readers. The information card converts the information needed by the user into selectable options for the user to fill in. There are many requirements for making an answer sheet. It requires that the paper used has long fibers, uniform thickness, good stiffness, high sizing, good smoothness, uniform expansion and contraction with small expansion and contraction, and high precision in printing registration and cutting of the reference edge.

[0003] Currently, answer sheets are produced as a single large sheet and need to be cut into individual pieces. Existing answer sheet cutting devices are relatively simple and can usually only cut fixed sizes. Since there are various specifications for answer sheets, the cutting process is quite cumbersome. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a positioning mechanism for an answer sheet cutting machine, which has the advantage of facilitating the cutting of answer sheets of different sizes and avoiding the cumbersome problem of cutting answer sheets of different specifications.

[0005] To facilitate the cutting of answer sheets of different sizes, this utility model provides the following technical solution:

[0006] A positioning mechanism for an answer sheet cutting machine includes a main board, a pushing component mounted on the top of the main board for positioning and pushing the answer sheet, and a cutting component mounted on the top of the main board for cutting the answer sheet. The mechanism also includes:

[0007] The propulsion assembly includes a first servo motor, which is fixedly mounted on the side wall of the main board. A first threaded post is fixedly connected to the output end of the first servo motor, and a push plate is threadedly connected to the side wall of the first threaded post. A second servo motor is fixedly connected to the side wall of the main board, and a second threaded post is fixedly connected to the output end of the second servo motor. A positioning plate is threadedly connected to the side wall of the second threaded post.

[0008] According to some embodiments, a third servo motor is fixedly connected to the side wall of the motherboard, and a bidirectional threaded rod is fixedly connected to the output end of the third servo motor. Both sides of the bidirectional threaded rod are threadedly connected to connecting frames, and rotating rollers are rotatably connected to the inner wall of the connecting frames.

[0009] According to some embodiments, the cutting assembly comprises a mounting frame fixedly installed on the top of the main plate, a telescopic air cylinder fixedly connected to the top of the mounting frame, a connecting plate fixedly connected to the output end of the telescopic air cylinder, a cutter fixedly connected to the bottom of the connecting plate, and an elastic assembly fixedly connected to the bottom of the connecting plate on both sides of the cutter.

[0010] According to some embodiments, the elastic assembly comprises a sleeve plate fixedly installed on the bottom of the connecting plate, a pressing plate slidingly connected to the inner wall of the sleeve plate, and a spring fixedly connected between the sleeve plate and the pressing plate, wherein the pressing plate extends below the cutter.

[0011] Advantages

[0012] The utility model provides a positioning mechanism for test paper cutting machine, has the following advantages:

[0013] (1) the positioning mechanism for test paper cutting machine, utilizes the threaded connection between the second threaded column and the positioning plate, makes the positioning plate slide on the surface of the main plate, and then adjusts the position of the positioning plate, thereby adjusting the length of the cutting assembly for cutting test paper, utilizes the threaded connection between the first threaded column and the push plate, makes the push plate push the test paper, until the push plate pushes the test paper to contact with the positioning plate, utilizes the cutting assembly to cut, after cutting, the cut test paper is removed, and then the push plate is used to push the test paper to adhere to the positioning plate, thereby continuous cutting can be carried out.

[0014] (2) the positioning mechanism for test paper cutting machine, drives the telescopic air cylinder on the top of the mounting frame, the connecting plate is driven downward by the telescopic air cylinder, in the process of the connecting plate moving downward, the elastic assembly first contacts the test paper and presses the test paper, then the connecting plate drives the cutter to move downward, and the test paper is cut, thereby the test paper can be prevented from being raised during cutting, so that the cutting size is not wrong. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a structural schematic view of the utility model device;

[0016] Figure 2 It is a structural schematic view (piercing) of the utility model device;

[0017] Figure 3 It is a structural schematic view (front section) of the elastic assembly of the utility model;

[0018] Figure 4 It is a structural schematic view of the connecting frame of the utility model.

[0019] In the figure: 1, main plate; 2, advancing assembly; 201, first servo motor; 202, first threaded column; 203, push plate; 204, second servo motor; 205, second threaded column; 206, positioning plate; 207, third servo motor; 208, bidirectional threaded rod; 209, connecting frame; 210, rotating roller; 3, cutting assembly; 301, mounting frame; 302, telescopic cylinder; 303, connecting plate; 304, cutter; 305, elastic assembly; 4, cover plate; 401, pressing plate; 402, spring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] Referring to Figures 1-4 A positioning mechanism for a test paper cutting machine, comprising a main plate 1, the top of the main plate 1 is provided with an advancing assembly 2, the advancing assembly 2 is used for positioning and advancing test paper, the top of the main plate 1 is provided with a cutting assembly 3, the cutting assembly 3 is used for cutting test paper, and the positioning mechanism further comprises:

[0022] The advancing assembly 2 comprises a first servo motor 201, the first servo motor 201 is fixedly installed on the side wall of the main plate 1, the output end of the first servo motor 201 is fixedly connected with a first threaded column 202, the side wall of the first threaded column 202 is threadedly connected with a push plate 203, the side wall of the main plate 1 is fixedly connected with a second servo motor 204, the output end of the second servo motor 204 is fixedly connected with a second threaded column 205, and the side wall of the second threaded column 205 is threadedly connected with a positioning plate 206;

[0023] The side wall of the main plate 1 is fixedly connected with a third servo motor 207, and the output end of the third servo motor 207 is fixedly connected with a bidirectional threaded rod 208;

[0024] The two side walls of the bidirectional threaded rod 208 are both threadedly connected with a connecting frame 209, and the inner wall of the connecting frame 209 is rotatably connected with a rotating roller 210;

[0025] It should be noted that: the answer sheet is placed on the surface of the main plate 1, the second servo motor 204 can be driven to rotate the second threaded column 205, the threaded connection between the second threaded column 205 and the positioning plate 206 is utilized to make the positioning plate 206 slide on the surface of the main plate 1, and then the position of the positioning plate 206 is adjusted, so that the length of the cutting assembly 3 cutting the answer sheet is adjusted, wherein the third servo motor 207 can be driven, the third servo motor 207 drives the bidirectional threaded rod 208 to rotate, the threaded connection between the bidirectional threaded rod 208 and the connecting frame 209 is utilized to make the connecting frame 209 slide to the middle, the answer sheet is positioned in the middle of the main plate 1, and then the first servo motor 201 is driven to rotate the first threaded column 202, the threaded connection between the first threaded column 202 and the push plate 203 is utilized to make the push plate 203 push the answer sheet to move, wherein the rotating roller 210 mounted on the inner wall of the connecting frame 209 rotates in the sliding process of the answer sheet, so that the answer sheet is prevented from being stuck, until the push plate 203 pushes the answer sheet to contact the positioning plate 206, at this time, the cutting assembly 3 can be utilized for cutting, after the cutting is completed, the cut answer sheet is removed, and then the push plate 203 is utilized to push the answer sheet to adhere to the positioning plate 206, so that continuous cutting can be carried out.

[0026] Referring to Figures 1-4 The cutting assembly 3 comprises a mounting frame 301, the mounting frame 301 is fixedly installed at the top of the main plate 1, and the top of the mounting frame 301 is fixedly connected with a telescopic cylinder 302.

[0027] The output end of the telescopic cylinder 302 is fixedly connected with a connecting plate 303, and the bottom of the connecting plate 303 is fixedly connected with a cutter 304.

[0028] The bottom of the connecting plate 303 on both sides of the cutter 304 is fixedly connected with an elastic assembly 305.

[0029] It should be noted that: the telescopic cylinder 302 at the top of the mounting frame 301 is driven, the telescopic cylinder 302 drives the connecting plate 303 to move downward, in the moving downward process of the connecting plate 303, the elastic assembly 305 first contacts the answer sheet and tightly presses the answer sheet, and then the connecting plate 303 drives the cutter 304 to move downward to cut the answer sheet, so that the answer sheet is prevented from being warped in the cutting process, causing the cutting size to be wrong.

[0030] Referring to Figures 1-4 The elastic assembly 305 comprises a sleeve plate 4, the sleeve plate 4 is fixedly installed at the bottom of the connecting plate 303, and the inner wall of the sleeve plate 4 is slidably connected with a pressing plate 401.

[0031] A spring 402 is fixedly connected between the sleeve plate 4 and the pressing plate 401, and the pressing plate 401 extends below the cutter 304.

[0032] It should be noted that the elastic assembly 305 slides to the inner cavity of the sleeve plate 4 by the pressing plate 401, so that the spring 402 generates a rebound force, and the rebound force of the spring 402 drives the pressing plate 401 to press the answer sheet.

[0033] Operation mode: place the answer sheet on the surface of the main plate 1, the second servo motor 204 can be driven to rotate the second threaded column 205, the threaded connection between the second threaded column 205 and the positioning plate 206 can make the positioning plate 206 slide on the surface of the main plate 1, and then the position of the positioning plate 206 is adjusted, so that the length of the cutting assembly 3 cutting the answer sheet is adjusted, wherein the third servo motor 207 can be driven, the third servo motor 207 drives the bidirectional threaded rod 208 to rotate, the threaded connection between the bidirectional threaded rod 208 and the connecting frame 209 can make the connecting frame 209 slide to the middle, and the answer sheet is positioned in the middle of the main plate 1, then the first servo motor 201 is driven to rotate the first threaded column 202, the threaded connection between the first threaded column 202 and the push plate 203 can make the push plate 203 push the answer sheet to move, wherein the rotating roller 210 installed on the inner wall of the connecting frame 209 will rotate in the sliding process of the answer sheet, so as to avoid the answer sheet from being stuck, until the push plate 203 pushes the answer sheet to contact with the positioning plate 206.

[0034] The telescopic cylinder 302 at the top of the driving mounting frame 301 is driven, the telescopic cylinder 302 drives the connecting plate 303 to move downward, in the process of the connecting plate 303 moving downward, the elastic assembly 305 first contacts the answer sheet and presses the answer sheet, then the connecting plate 303 drives the cutter 304 to move downward, and the answer sheet is cut, so that the answer sheet can be prevented from being warped in the cutting process, causing the cutting size to be wrong, after cutting is completed, the cut answer sheet can be removed, and the push plate 203 is used to push the answer sheet to adhere to the positioning plate 206, so that continuous cutting can be carried out.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A positioning mechanism for an answer sheet cutting machine, comprising a main board (1), characterized in that: The motherboard (1) is equipped with a pushing component (2) on its top, which is used to position and push the answer sheet. The motherboard (1) is also equipped with a cutting component (3) on its top, which is used to cut the answer sheet. The motherboard (1) further includes: The propulsion assembly (2) includes a first servo motor (201), which is fixedly mounted on the side wall of the main board (1). The output end of the first servo motor (201) is fixedly connected to a first threaded post (202), and a push plate (203) is threadedly connected to the side wall of the first threaded post (202). A second servo motor (204) is fixedly connected to the side wall of the main board (1), and a second threaded post (205) is fixedly connected to the output end of the second servo motor (204). A positioning plate (206) is threadedly connected to the side wall of the second threaded post (205).

2. The positioning mechanism for an answer sheet cutting machine according to claim 1, characterized in that: The motherboard (1) is fixedly connected to a third servo motor (207) on its side wall, and a bidirectional threaded rod (208) is fixedly connected to the output end of the third servo motor (207).

3. The positioning mechanism for an answer sheet cutting machine according to claim 2, characterized in that: The two-way threaded rod (208) has connecting frames (209) threadedly connected to both side walls, and a rotating roller (210) is rotatably connected to the inner wall of the connecting frame (209).

4. The positioning mechanism for an answer sheet cutting machine according to claim 3, characterized in that: The cutting assembly (3) includes a mounting bracket (301), which is fixedly mounted on the top of the main board (1), and a telescopic cylinder (302) is fixedly connected to the top of the mounting bracket (301).

5. A positioning mechanism for an answer sheet cutting machine according to claim 4, characterized in that: The output end of the telescopic cylinder (302) is fixedly connected to a connecting plate (303), and a cutter (304) is fixedly connected to the bottom of the connecting plate (303).

6. A positioning mechanism for an answer sheet cutting machine according to claim 5, characterized in that: Elastic components (305) are fixedly connected to the bottom of the connecting plates (303) located on both sides of the cutter (304).

7. A positioning mechanism for an answer sheet cutting machine according to claim 6, characterized in that: The elastic component (305) includes a sleeve (4), which is fixedly installed at the bottom of the connecting plate (303), and a pressure plate (401) is slidably connected to the inner wall of the sleeve (4).

8. A positioning mechanism for an answer sheet cutting machine according to claim 7, characterized in that: A spring (402) is fixedly connected between the sleeve plate (4) and the pressure plate (401), and the pressure plate (401) extends below the cutter (304).

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