Feeding mechanism for answer sheet cutting machine

Abstract

The utility model relates to the technical field of cutting machines, and discloses a feeding mechanism for an answer sheet cutting machine, which comprises a cutting table, a cutting frame is fixedly mounted on the upper surface of the cutting table, a hydraulic rod is embedded in the surface of the cutting frame, a cutter is fixedly mounted at the telescopic end of the hydraulic rod, and a feeding assembly is arranged on the right side of the upper surface of the cutting table and corresponds to the cutter. A positioning plate is movably mounted on the left side of the upper surface of the cutting table. The answer sheet paper product is placed in the positioning pipe, the servo motor is started, the pushing plate is driven by the servo motor to move, the paper product is pushed through the ejector block, the end of the paper product is clamped into the discharging box and abuts against the surface of the positioning plate, and when the pressure sensor is excessively extruded, it is indicated that the answer sheet paper product abuts against the positioning plate in place; and at the moment, the servo motor is controlled to stop rotating, the pushing action on the paper products is canceled, and manual operation is not needed in the feeding and flattening treatment process, so that the answer sheet cutting efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to cutting machine technical field more particularly to a kind of feeding mechanism for answer sheet cutting machine. BACKGROUND

[0002] Answer sheet is the carrier of cursor reader input information, and is the general term of various information input forms matched with cursor reader. Answer sheet is card-shaped, and needs to be slit during production and processing.

[0003] Currently, when using cutting machine to cut answer sheet, the continuous printing paper strip in long strip shape is stacked and placed, and then manually pushed into the cutter below the cutting machine for cutting. During operation, the paper product is leveled by manually using a flat plate, so that the other end of the paper product abuts against the positioning plate on the surface of the cutting machine to achieve the effect of fixed-length cutting. This process is complicated, resulting in low efficiency when batch cutting answer sheet.

[0004] Therefore, the utility model provides a kind of feeding mechanism for answer sheet cutting machine. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a kind of feeding mechanism for answer sheet cutting machine to solve the problems in the above background.

[0006] The utility model provides the following technical scheme: a kind of feeding mechanism for answer sheet cutting machine, including cutting table, the upper surface of cutting table is fixedly installed with cutting frame, the surface of cutting frame is embedded with hydraulic rod, the telescopic end of hydraulic rod is fixedly installed with cutter, the upper surface right side of cutting table is provided with feeding assembly corresponding cutter, the upper surface left side of cutting table is movably installed with positioning plate;

[0007] The feeding assembly includes a positioning tube fixedly installed on the surface of the cutting table, a feeding cavity for moving the answer sheet is reserved inside the positioning tube, and an opening for placing the answer sheet is reserved at the top of the positioning tube. The left end of the positioning tube corresponds to the position of the cutter. A side plate is fixedly installed on the surface of the cutting table, and the position of the side plate and the positioning tube are parallel to each other. A horizontal screw rod is rotatably connected to the surface of the side plate, and a servo motor for driving the horizontal screw rod to rotate is fixedly installed on the surface of the side plate. A moving block is threadedly connected to the surface of the horizontal screw rod. An extension arm is fixedly installed on the surface of the moving block. A push plate is fixedly installed at the other end of the extension arm. The push plate extends to the inner wall of the feeding cavity. A pressure sensor is fixedly installed on the side of the push plate close to the cutter. A top block is fixedly installed on the sensing end of the pressure sensor.

[0008] As a further description of the above technical solution: the surface of the cutting frame is fixedly installed with a control panel, and the control panel is in electrical connection with an external power supply through wires.

[0009] As a further description of the above technical solution: the surface of the side plate is fixedly installed with a limiting slide rod, and the moving block is in sliding connection with the surface of the limiting slide rod; by arranging the limiting slide rod, the stability of the moving block during movement can be ensured.

[0010] As a further description of the above technical solution: the top of one end of the positioning tube close to the cutter is embedded with a first electric push rod, and the telescopic end of the first electric push rod is fixedly installed with a clamping plate; by arranging the first electric push rod and the clamping plate, before cutting the test paper, the first electric push rod is elongated to drive the clamping plate to clamp the top of the paper, so that the flatness of the cutout can be ensured.

[0011] As a further description of the above technical solution: the top of the cutter is fixedly installed with a balance slide rod, and the balance slide rod is in sliding connection with the surface of the cutting frame; by arranging the balance slide rod, the stability of the cutter during lifting movement can be improved, and the telescopic end of the hydraulic rod can be protected against twisting.

[0012] As a further description of the above technical solution: the side wall of the positioning tube is symmetrically embedded with a second electric push rod, and the telescopic end of the second electric push rod extends to the inside of the feeding cavity and is fixedly installed with a side baffle; by arranging the second electric push rod and the side baffle, the position of the side baffle is adjusted by the extension and retraction of the second electric push rod, so that the width of the positioning tube can be adjusted to meet the effect of feeding and limiting the test paper of different models.

[0013] As a further description of the above technical solution: the inner bottom wall of the positioning tube is respectively provided with a horizontal groove and a vertical groove, the horizontal groove and the vertical groove are distributed in a cross shape, the bottom end of the top block is in sliding connection with the inner wall of the horizontal groove, and the bottom end of the side baffle is in sliding connection with the bottom end of the vertical groove; by arranging the horizontal groove and the vertical groove, and extending the bottom end of the push plate and the side baffle to the inside of the horizontal groove and the vertical groove respectively, the purpose of stably limiting and pushing the test paper at the bottom side position can be achieved, and the test paper at the bottom side position can be prevented from leaking out from the gap at the bottom side.

[0014] As the further description of the above technical scheme: the upper surface of the cutting table is embedded with a stepping motor, the output shaft of the stepping motor is fixedly installed with a rotating disc, the upper surface of the rotating disc is fixedly installed with four unloading boxes in a circumferential array, the surface of the unloading box is reserved with a receiving port, the side of the unloading box away from the receiving port is embedded with a third electric push rod, the positioning plate is slidably connected with the inner wall of the unloading box, and the positioning plate is fixedly installed at the extension end of the third electric push rod, and the receiving port of the unloading box on the side close to the cutter corresponds to the left end position of the positioning pipe; through the setting of the unloading box, the cut answer sheet can be stored, and through the rotation of the rotating disc driven by the stepping motor, the position of the unloading box on the surface of the rotating disc is switched, so that the unloading box storing the answer sheet is away from the cutter, ensuring the safety when collecting the answer sheet, through the setting of the third electric push rod, the position of the positioning plate can be adjusted to meet the demand of the fixed length of the answer sheet of different models, and when the answer sheet is positioned, the third electric push rod is kept in the extended state, and when the answer sheet is cut, the third electric push rod is controlled to retract, providing a space for the answer sheet.

[0015] As the further description of the above technical scheme: the height of the inner bottom wall of the unloading box is slightly lower than the height of the inner bottom wall of the positioning pipe; through the height of the inner bottom wall of the unloading box being lower than the height of the inner bottom wall of the positioning pipe, it can be ensured that the end of the answer sheet can be smoothly inserted into the inside of the unloading box.

[0016] The technical effects and advantages of the utility model are:

[0017] 1. Compared with the prior art, the feeding mechanism of the answer sheet cutting machine places the continuously printed answer sheet paper product stacked and placed in the positioning pipe, limits the paper product in the side direction by the inner wall of the positioning pipe, then starts the servo motor, drives the horizontal lead screw to rotate by the servo motor, and then drives the moving block and the push plate to move, pushes the paper product by the top block, the end of the paper product is inserted into the inside of the unloading box and abuts against the surface of the positioning plate, when the pressure sensor is excessively pressed, it indicates that the answer sheet paper product is abutted in place, at this time, the servo motor is controlled to stop rotating, the pushing action of the paper product is cancelled, then the answer sheet can be cut and processed, since the feeding relies on the flat processing process and does not need manual operation, the efficiency of the answer sheet cutting is improved.

[0018] 2. Compared with the prior art, the feeding mechanism of the answer sheet cutting machine can ensure the stability of the moving block during movement by arranging the limiting slide rod; the first electric push rod and the clamping plate are arranged, before cutting the answer sheet, the first electric push rod is elongated to drive the clamping plate to clamp the top of the paper product, so that the flatness of the cut is ensured; the balance slide rod is arranged to improve the stability of the cutting tool during lifting and moving, and to prevent the stretching end of the hydraulic rod from being twisted; the second electric push rod and the side blocking plate are arranged, the position of the side blocking plate is adjusted by the second electric push rod, the width of the positioning pipe can be adjusted to meet the effect of feeding and limiting different models of answer sheets; the horizontal groove and the vertical groove are arranged, and the bottom ends of the push plate and the side blocking plate extend into the horizontal groove and the vertical groove respectively, so that the purpose of stably limiting and pushing the answer sheet at the bottom side position is ensured, and the answer sheet at the bottom side position is prevented from leaking from the bottom side gap position.

[0019] 3. Compared with the prior art, the feeding mechanism of the answer sheet cutting machine can accommodate the cut answer sheet by arranging the discharging box, and the position of the discharging box on the surface of the rotating disc is switched by the stepping motor driven rotating disc, so that the discharging box containing the answer sheet is away from the cutting tool, the safety of collecting the answer sheet is ensured, the third electric push rod is arranged to adjust the position of the positioning plate to meet the demand of different models of answer sheet length, and the third electric push rod is kept in the state of extension when the answer sheet is positioned, and the third electric push rod is controlled to retract to provide a space for the answer sheet when the answer sheet is cut. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a perspective view of the three-dimensional structure of the utility model from view angle one;

[0021] Figure 2 It is a perspective view of the three-dimensional structure of the utility model from view angle two;

[0022] Figure 3 It is a schematic view of the utility model from the front view;

[0023] Figure 4 It is Figure 3 It is an enlarged structure schematic view of the middle A.

[0024] The reference signs are: 1, cutting table; 2, cutting frame; 3, hydraulic rod; 4, cutter; 5, positioning pipe; 6, side plate; 7, transverse screw rod; 8, servo motor; 9, moving block; 10, pushing plate; 11, control panel; 12, limiting slide rod; 13, first electric push rod; 14, clamping plate; 15, balance slide rod; 16, second electric push rod; 17, side baffle; 18, transverse groove; 19, longitudinal groove; 20, stepping motor; 21, rotating disc; 22, blanking box; 23, pressure sensor; 24, top block; 25, positioning plate; 26, third electric push rod. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model will be described clearly and completely below with reference to the drawings in the utility model, and additionally, the forms of each structure described in the following implementation manners are only examples, and the feeding mechanism for the answer sheet cutting machine involved in the utility model is not limited to each structure described in the following implementation manners, and all other implementation manners obtained by the ordinary skilled in the art without making creative efforts belong to the protection scope of the utility model.

[0026] REFERENCE Figures 1 to 4 The utility model provides a kind of feeding mechanism for the answer sheet cutting machine, including cutting table 1, the upper surface of cutting table 1 is fixedly installed with cutting frame 2, the surface of cutting frame 2 is fixedly installed with control panel 11, and control panel 11 is electrically connected with external power supply by wire.

[0027] The surface of cutting frame 2 is embedded with hydraulic rod 3, and the telescopic end of hydraulic rod 3 is fixedly installed with cutter 4.

[0028] The top of cutter 4 is fixedly installed with balance slide rod 15, and balance slide rod 15 is slidably connected with the surface of cutting frame 2.

[0029] By setting balance slide rod 15, the stability when cutter 4 is lifted and moved can be improved, and the telescopic end of hydraulic rod 3 is protected against twisting.

[0030] The upper surface right side of cutting table 1 is provided with feeding assembly corresponding to cutter 4, and the upper surface left side of cutting table 1 is movably installed with positioning plate 25.

[0031] Feeding assembly includes positioning pipe 5 fixedly installed on the surface of cutting table 1, and feeding cavity for the movement of answer sheet is reserved in the inside of positioning pipe 5, and the top of positioning pipe 5 is reserved with opening for putting answer sheet, and the left end of positioning pipe 5 corresponds to the position of cutter 4.

[0032] The top of one end of positioning pipe 5 close to cutter 4 is embedded with first electric push rod 13, and the telescopic end of first electric push rod 13 is fixedly installed with clamping plate 14.

[0033] By setting the first electric push rod 13 and the clamping plate 14, before cutting the test paper, the first electric push rod 13 is elongated to drive the clamping plate 14 to clamp the top of the paper near the cutting knife 4, so as to ensure the flatness of the cut.

[0034] The side wall of the positioning tube 5 is symmetrically embedded with the second electric push rod 16, and the telescopic end of the second electric push rod 16 extends to the inside of the feeding cavity and is fixedly installed with the side baffle 17.

[0035] By setting the second electric push rod 16 and the side baffle 17, the position of the side baffle 17 is adjusted by the telescopic second electric push rod 16, so as to adjust the width of the positioning tube 5 and meet the feeding limiting effect of different models of test papers.

[0036] The surface of the cutting table 1 is fixedly installed with the side plate 6, which is parallel to the position of the positioning tube 5, the surface of the side plate 6 is rotatably connected with the transverse screw rod 7, and the surface of the side plate 6 is fixedly installed with the servo motor 8 for driving the transverse screw rod 7 to rotate, and the surface of the transverse screw rod 7 is threadedly connected with the moving block 9.

[0037] The surface of the side plate 6 is fixedly installed with the limiting slide rod 12, and the moving block 9 is slidably connected with the surface of the limiting slide rod 12.

[0038] By setting the limiting slide rod 12, the stability of the moving block 9 during movement can be ensured.

[0039] The surface of the moving block 9 is fixedly installed with the extension arm, the other end of the extension arm is fixedly installed with the push plate 10, the push plate 10 extends to the inner wall of the feeding cavity, the side of the push plate 10 close to the cutting knife 4 is fixedly installed with the pressure sensor 23, and the sensing end of the pressure sensor 23 is fixedly installed with the top block 24.

[0040] The test paper cutting machine feeding mechanism places the continuously printed test paper placed in the positioning tube 5, and the inner wall of the positioning tube 5 limits the paper from the side, then starts the servo motor 8, drives the transverse screw rod 7 to rotate by the servo motor 8, and drives the moving block 9 and the push plate 10 to move, pushes the paper by the top block 24, and the end of the paper abuts against the surface of the positioning plate 25, when the pressure sensor 23 is excessively pressed, the pressure value exceeds the set upper limit, indicating that the test paper is abutted in place, at this time, the servo motor 8 is controlled to stop rotating, and the pushing action of the paper is cancelled, then the hydraulic rod 3 is controlled to elongate to drive the cutting knife 4 to move downward to cut the test paper, in the whole process, since the feeding relies on the flat processing process and does not need manual operation, the operation is continuous, and therefore in continuous repeated operation, the efficiency of test paper cutting is greatly improved.

[0041] The inner bottom wall of the positioning pipe 5 is respectively provided with a transverse groove 18 and a longitudinal groove 19, which are distributed in a cross shape, the bottom end of the top block 24 is in sliding connection with the inner wall of the transverse groove 18, and the bottom end of the side baffle 17 is in sliding connection with the bottom end of the longitudinal groove 19.

[0042] By arranging the transverse groove 18 and the longitudinal groove 19, and extending the bottom end of the top block 24 and the side baffle 17 into the interior of the transverse groove 18 and the longitudinal groove 19 respectively, the purpose of stably positioning and pushing the bottom-side position of the answer sheet can be achieved, and the bottom-side position of the answer sheet can be prevented from leaking out from the bottom-side gap position.

[0043] The upper surface of the cutting table 1 is embedded with a stepping motor 20, the output shaft of the stepping motor 20 is fixedly installed with a rotating disc 21, the upper surface of the rotating disc 21 is fixedly installed with four unloading boxes 22 in a circumferential array, the surface of the unloading box 22 is reserved with a material receiving port, the side of the unloading box 22 away from the material receiving port is embedded with a third electric push rod 26, a positioning plate 25 is in sliding connection with the inner wall of the unloading box 22, and the positioning plate 25 is fixedly installed at the telescopic end of the third electric push rod 26, and the material receiving port of the unloading box 22 on the side close to the cutting knife 4 corresponds to the left end position of the positioning pipe 5.

[0044] It is worth mentioning that the stepping motor 20 periodically rotates at 90 degrees under the set program, and the bottom-side position of the rotating disc 21 is provided with a conductive slip ring for continuously supplying power to the third electric push rod 26 in the rotating state.

[0045] By arranging the unloading box 22, when the paper product is positioned, the end of the paper product is inserted into the interior of the unloading box 22 and abuts against the positioning plate 25, and after the answer sheet is cut, the unloading box 22 can be used to continuously store the cut answer sheet, the position of the unloading box 22 on the surface of the rotating disc 21 can be switched by driving the rotating disc 21 to rotate by the stepping motor 20, so that the unloading box 22 storing the answer sheet is away from the cutting knife 4, ensuring the safety of the staff when collecting the answer sheet, the position of the positioning plate 25 can be adjusted by arranging the third electric push rod 26, meeting the demand of different lengths of the answer sheet, and when the answer sheet is positioned, the third electric push rod 26 is kept in the extended state, and when the answer sheet is cut after the length of the answer sheet is determined, the third electric push rod 26 is controlled to retract, providing a space for the subsequent movement of the answer sheet.

[0046] The height of the inner bottom wall of the unloading box 22 is lower than the height of the inner bottom wall of the positioning pipe 5.

[0047] By arranging the unloading box 22, when the paper product is positioned, the end of the paper product is inserted into the interior of the unloading box 22 and abut against the positioning plate 25, and after the answer sheet is cut, the unloading box 22 can be used to continuously store the cut answer sheet, the position of the unloading box 22 on the surface of the rotating disc 21 can be switched by driving the rotating disc 21 to rotate by the stepping motor 20, so that the unloading box 22 storing the answer sheet is away from the cutting knife 4, ensuring the safety of the staff when collecting the answer sheet, the position of the positioning plate 25 can be adjusted by arranging the third electric push rod 26, meeting the demand of different lengths of the answer sheet, and when the answer sheet is positioned, the third electric push rod 26 is kept in the extended state, and when the answer sheet is cut after the length of the answer sheet is determined, the third electric push rod 26 is controlled to retract, providing a space for the subsequent movement of the answer sheet.

[0048] Finally, it should be noted that: the utility model discloses the embodiment figure, only relate to the structure of the embodiment of the present disclosure, other structures can refer to the usual design, under the condition of not conflict, the same embodiment and different embodiments of the utility model can be combined with each other.

Claims

1. A feeding mechanism for an answer sheet cutting machine, comprising a cutting table (1), characterized in that: The upper surface of the cutting table (1) is fixedly installed with a cutting frame (2), the surface of the cutting frame (2) is embedded with a hydraulic rod (3), the telescopic end of the hydraulic rod (3) is fixedly installed with a cutter (4), the upper surface of the cutting table (1) is provided with a feeding assembly on the right side corresponding to the cutter (4), and the upper surface of the cutting table (1) is movably installed with a positioning plate (25) on the left side. The feeding assembly comprises a positioning pipe (5) fixedly installed on the surface of the cutting table (1), the inside of the positioning pipe (5) is reserved with a feeding cavity for the movement of the test paper, the top of the positioning pipe (5) is reserved with an opening for putting the test paper, the left end of the positioning pipe (5) corresponds to the position of the cutter (4), the surface of the cutting table (1) is fixedly installed with a side plate (6), the positions of the side plate (6) and the positioning pipe (5) are parallel to each other, the surface of the side plate (6) is rotatably connected with a horizontal screw rod (7), the surface of the side plate (6) is fixedly installed with a servo motor (8) for driving the horizontal screw rod (7) to rotate, the surface of the horizontal screw rod (7) is threadedly connected with a moving block (9), the surface of the moving block (9) is fixedly installed with an extension arm, the other end of the extension arm is fixedly installed with a push plate (10), the push plate (10) extends to the inner wall of the feeding cavity, one side of the push plate (10) close to the cutter (4) is fixedly installed with a pressure sensor (23), the sensing end of the pressure sensor (23) is fixedly installed with a top block (24).

2. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The surface of the cutting frame (2) is fixedly installed with a control panel (11), the control panel (11) is in electrical connection with the external power supply through wires.

3. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The surface of the side plate (6) is fixedly installed with a limiting slide rod (12), the moving block (9) is in sliding connection with the surface of the limiting slide rod (12).

4. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The top of one end of the positioning pipe (5) close to the cutter (4) is embedded with a first electric push rod (13), the telescopic end of the first electric push rod (13) is fixedly installed with a clamping plate (14).

5. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The top of the cutter (4) is fixedly installed with a balance slide rod (15), the balance slide rod (15) is in sliding connection with the surface of the cutting frame (2).

6. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The side wall of the positioning pipe (5) is symmetrically embedded with a second electric push rod (16), the telescopic end of the second electric push rod (16) extends to the inside of the feeding cavity and is fixedly installed with a side baffle (17).

7. The feeding mechanism of the answer sheet cutting machine according to claim 1 or 6, characterized in that: The inner bottom wall of the positioning pipe (5) is respectively provided with a horizontal recess (18) and a vertical recess (19), the horizontal recess (18) and the vertical recess (19) are distributed in a cross shape, the bottom end of the top block (24) is in sliding connection with the inner wall of the horizontal recess (18), and the bottom end of the side baffle (17) is in sliding connection with the bottom end of the vertical recess (19).

8. The feeding mechanism of the answer sheet cutting machine according to claim 1, characterized in that: The upper surface of the cutting table (1) is embedded with a stepping motor (20), the output shaft of the stepping motor (20) is fixedly installed with a rotating disc (21), the upper surface of the rotating disc (21) is fixedly installed with four blanking boxes (22) in a circumferential array, the surface of the blanking box (22) is reserved with a material receiving port, the side, away from the material receiving port, of the blanking box (22) is embedded with a third electric push rod (26), a positioning plate (25) is slidably connected with the inner wall of the blanking box (22), and the positioning plate (25) is fixedly installed at the extension end of the third electric push rod (26); the material receiving port of the blanking box (22) near the cutter (4) corresponds to the left end position of the positioning tube (5).

9. The feeding mechanism of the answer sheet cutting machine according to claim 8, characterized in that: The height of the inner bottom wall of the blanking box (22) is lower than the height of the inner bottom wall of the positioning tube (5).

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