Structure for detecting width and position of material of character cutting machine

Abstract

The utility model relates to the technical field of character cutting machines, in particular to a character cutting machine material width and position detection structure which comprises a character cutting machine body, a guide sliding rail is arranged at the upper end of the character cutting machine body, a limiting shell is arranged at the upper end of the guide sliding rail, the two ends of the limiting shell are connected with the character cutting machine body in a clamped mode, and a plurality of pressing wheels are arranged at the lower end of the guide sliding rail. A supporting plate is arranged at the side end of the guide sliding rail, four pulleys are rotationally connected to the side end of the supporting plate, two pulleys are arranged at each of the upper end and the lower end of the guide sliding rail, a limiting plate is fixedly connected to the upper end of the supporting plate, the limiting plate is slidably connected with the limiting shell, an installation box is fixedly connected to the side end of the supporting plate, and a fixing frame is slidably connected into the installation box. The side end of the fixing frame is provided with an extrusion locking piece, one end of the fixing frame is connected with a cutting knife in an inserted mode, the other end of the fixing frame is fixedly connected with a connecting column, the sensor plate is arranged to emit infrared light, and the width and the position of a material are judged according to the numerical value of the infrared light reflected by the material.

Description

TECHNICAL FIELD

[0001] The utility model relates to lettering machine technical field especially is involved in a kind of detection structure of lettering machine material width and position. BACKGROUND

[0002] Current lettering machine cutting material, all need to pass through manual press control button or display screen button icon, control lettering machine to move the position of blade tip to cut material directly above, then cutting operation is carried out again.This results in every time cutting thing needs to manually move the blade tip to material above, can carry out cutting.Forgetting to move the blade tip of car head to material above, it is easy to cause blade tip to cut in pad strip directly, cause pad strip damage.For example, manually move the blade tip position of car head too far inside the position of material cutting, it can cause cutting to exceed material edge, damage cutting pad or hit machine edge. SUMMARY

[0003] The utility model aims at providing a kind of detection structure of lettering machine material width and position to solve the problem raised in the above background technique.

[0004] To achieve the above object, the utility model provides the following technical scheme: a kind of detection structure of lettering machine material width and position, including lettering machine main body, the upper end of the lettering machine main body is equipped with guide slide rail, the upper end of the guide slide rail is equipped with limit shell, the both ends of the limit shell and lettering machine main body are clamped, the lower end of the guide slide rail is equipped with multiple pressing wheels, the side end of the guide slide rail is equipped with support plate, the side end of the support plate is rotatably connected with four pulleys, the upper end and the lower end of the guide slide rail are equipped with two pulleys, the upper end of the support plate is fixedly connected with limit plate, the limit plate and limit shell are slidably connected, the side end of the support plate is fixedly connected with mounting box, the inside of the mounting box is slidably connected with fixed frame, the side end of the fixed frame is equipped with extrusion locking piece, one end of the fixed frame is inserted with cutting knife, the other end of the fixed frame is fixedly connected with connecting column, the top end of the extrusion locking piece is abutted on cutting knife, the inside of the mounting box is equipped with single-chip microcomputer chip, the outside wall of the mounting box is fixedly connected with inductor plate, the inductor plate is equipped with infrared light emitting tube, the inductor plate and single-chip microcomputer chip are electrically connected, the side end of the fixed frame is fixedly connected with fixed plate, the middle of the fixed plate is equipped with extrusion piece, the top end of the extrusion piece is fixedly connected with moving plate, the upper end of the moving plate is equipped with clamping plate, the inside of the mounting box is fixedly connected with electric push rod and electromagnet, the top end of the electric push rod is fixedly connected with mounting seat, the tail end of the clamping plate and mounting seat are slidably connected.

[0005] Preferably, the middle of the mounting box is fixedly connected with positioning rod, the lower end of the positioning rod is slidably connected with fixed frame, the both ends of the positioning rod pass through fixed frame.

[0006] Preferably, both sides of the connecting column are provided with driving wheels, the left side driving wheel is rotationally connected with a mounting box, the mounting box is provided with a driving motor, and the right side driving wheel is fixedly connected with a power output end of the driving motor.

[0007] Preferably, the fixing plate is in L-shaped structure, the upper end of the fixing plate is provided with a clamping groove, and the extrusion piece is located in the clamping groove.

[0008] Preferably, the left end of the extrusion piece is in columnar structure, and the right end of the extrusion piece is in rugby structure.

[0009] Preferably, the clamping plate is in L-shaped structure, the upper end of the moving plate is fixedly connected with a plurality of limiting teeth, and the limiting teeth are in triangular structure.

[0010] Preferably, the inside of the mounting box is fixedly connected with an extrusion spring, the lower end of the extrusion spring abuts against the upper end of the clamping plate, the lower end of the clamping plate is inlaid with an iron plate, and the electromagnet faces the iron plate.

[0011] Preferably, the lettering machine body is provided with a low-reflection-value sensing groove, the low-reflection-value sensing groove extends to both ends of the lettering machine body, and the low-reflection-value sensing groove reflects infrared light.

[0012] Compared with the prior art, the novel detection method can solve the problem that the cutting knife needs to be manually moved to the accurate position of the material, the reflection value of the material is sensed through the infrared photoelectric reflection sensor, the reflection value corresponding to each position is recorded by being connected to the MCU chip, so that the material width and position are identified, the low-reflection-value sensing groove is arranged on the cutting plane of the cutting machine, so that the boundary of the material can be accurately judged, and the material position and width are automatically detected each time, and the cutting machine is automatically moved to the appropriate position to start cutting the material. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a connection schematic view of the lettering machine body.

[0014] Figure 2 It is a connection schematic view of the mounting box and the lettering machine body.

[0015] Figure 3 It is an enlarged schematic view of point A.

[0016] Figure 4 It is a connection schematic view of the fixing frame.

[0017] In the figure: 1 engraver main body, 2 limit shell, 3 guide slide rail, 4 press wheel, 5 installation box, 6 limit plate, 7 support plate, 8 extrusion locking piece, 9 pulley, 10 positioning rod, 11 connecting column, 12 fixed frame, 13 inductor plate, 14 cutting knife, 15 low reflection value induction groove, 16 fixed plate, 17 extrusion piece, 18 moving plate, 19 limit tooth, 20 clamping plate, 21 electric push rod, 22 mounting seat, 23 electromagnet, 24 extrusion spring, 25 drive wheel. DETAILED DESCRIPTION

[0018] In order to deepen the understanding and understanding of the present application, the technical solutions in the embodiments of the present application will be described and introduced clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments, and do not limit the present application in any form. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0019] Please refer to Figures 1-4The utility model provides a technical scheme: a detection structure of material width and position of lettering machine, including lettering machine main body 1, the upper end of lettering machine main body 1 is equipped with guide slide rail 3, the upper end of guide slide rail 3 is equipped with limit shell 2, and the both ends of limit shell 2 are connected with lettering machine main body 1, the lower end of guide slide rail 3 is equipped with a plurality of press wheels 4, the side end of guide slide rail 3 is equipped with support plate 7, four pulleys 9 are rotatably connected to the side end of support plate 7, the upper end and the lower end of guide slide rail 3 are equipped with two pulleys 9, the upper end of support plate 7 is fixedly connected with limiting plate 6, and limiting plate 6 is slidably connected with limit shell 2, the side end of support plate 7 is fixedly connected with mounting box 5, and the inside of mounting box 5 is slidably connected with fixing frame 12, the side end of fixing frame 12 is equipped with extrusion locking piece 8, one end of fixing frame 12 is inserted with cutting knife 14, the other end of fixing frame 12 is fixedly connected with connecting column 11, the top end of extrusion locking piece 8 is in abutment on cutting knife 14, the inside of mounting box 5 is equipped with 51 single-chip microcomputer, the outside wall of mounting box 5 is fixedly connected with inductor plate 13, the inductor plate 13 is equipped with infrared light emitting tube, the inductor plate 13 is electrically connected with 51 single-chip microcomputer, the side end of fixing frame 12 is fixedly connected with fixed plate 16, the middle of fixed plate 16 is equipped with extrusion piece 17, the top end of extrusion piece 17 is fixedly connected with moving plate 18, the upper end of moving plate 18 is equipped with clamping plate 20, the inside of mounting box 5 is fixedly connected with electric push rod 21 and electromagnet 23, the top end of electric push rod 21 is fixedly connected with mounting seat 22, the tail end of clamping plate 20 is slidably connected with mounting seat 22, lettering machine main body 1 is equipped with low reflection value sensing groove 15, and the both ends of low reflection value sensing groove 15 extend to the both ends of lettering machine main body 1, and low reflection value sensing groove 15 reflects infrared light, 51 single-chip microcomputer controls inductor plate 13 to emit infrared light, when material is placed on lettering machine main body 1, the material will block low reflection value sensing groove 15 and reflect infrared light, and the infrared light value reflected by different materials is different, inductor plate 13 receives the reflected infrared light and converts into voltage signal, 51 single-chip microcomputer records the reflection voltage corresponding to each position, thereby identifying the position of material placement and the width of material, pulley 9 drives support plate 7 to move along guide slide rail 3 when rolling, adjusts the position of cutting knife 14, controls cutting knife 14 to cut from the suitable position of material.

[0020] The middle of mounting box 5 is fixedly connected with positioning rod 10, the lower end of positioning rod 10 is slidably connected with fixing frame 12, and the both ends of positioning rod 10 penetrate fixing frame 12, when fixing frame 12 moves, positioning rod 10 can limit fixing frame 12, so that fixing frame 12 can only move along the vertical direction, avoids the deviation of cutting knife 14 when moving, and ensures the accuracy of cutting.

[0021] Both sides of the connecting column 11 are provided with driving wheels 25, the left driving wheel 25 is rotationally connected with the mounting box 5, the mounting box 5 is provided with a driving motor, the right driving wheel 25 is fixedly connected with the power output end of the driving motor, when it is detected that the cutting knife 14 exceeds the boundary of the material, the right driving wheel 25 rotates, the right driving wheel 25 can drive the connecting column and the fixed frame 12 to move upwards, once the cutting knife 14 exceeds the boundary of the material, the cutting knife 14 will not damage other components.

[0022] The fixed plate 16 is in L-shaped structure, the middle of the upper end of the fixed plate 16 is provided with a clamping groove, the extrusion piece 17 is located in the clamping groove, the left end of the extrusion piece 17 is in columnar structure, the right end of the extrusion piece 17 is in rugby structure, when the extrusion piece 17 moves, the extrusion piece 17 extrudes the fixed plate 16, thereby pushing the fixed plate 16 and the fixed frame 12 to move downwards, driving the cutting knife 14 to the initial position, ensuring the accuracy during cutting.

[0023] The clamping plate 20 is in L-shaped structure, the upper end of the moving plate 18 is fixedly connected with a plurality of limiting teeth 19, the limiting teeth 19 are in triangular structure, the inside of the mounting box 5 is fixedly connected with an extrusion spring 24, the lower end of the extrusion spring 24 abuts against the upper end of the clamping plate 20, the lower end side wall of the clamping plate 20 is inlaid with an iron plate, the electromagnet 23 is opposite to the iron plate, when the inductor plate 13 is located above the material, the electromagnet 23 is electrified to generate magnetic force, thereby clamping the lower end of the clamping plate 20 and the limiting teeth 19, the electric push rod 21 drives the clamping plate 20 to move, thereby driving the extrusion piece 17 to move.

[0024] When the material is placed on the lettering machine main body 1, the 51 single-chip microcomputer chip controls the inductor plate 13 to emit infrared light, the material can reflect the infrared light, thereby adjusting the position of the cutting knife 14, once cutting exceeds the boundary of the material, the electromagnet 20 is de-energized, the driving wheel 25 drives the connecting column 11 and the fixed frame 12 to move upwards, thereby moving the cutting knife 14 upwards, avoiding cutting other components.

[0025] Although the embodiments of the present application have been shown and described, it should be stressed that the above description is merely an introduction and description of the use mode of the embodiments of the present application, and does not limit the present application in any form. It can be understood by those skilled in the art that the embodiments can be changed, modified, replaced and modified in various ways without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A structure for detecting the width and position of a material in a lettering machine, comprising a lettering machine body (1), characterized in that: The upper end of the lettering machine body (1) is provided with a guide slide rail (3), the upper end of the guide slide rail (3) is provided with a limiting shell (2), the both ends of the limiting shell (2) are clamped with the lettering machine body (1), the lower end of the guide slide rail (3) is provided with a plurality of pressing wheels (4), the side end of the guide slide rail (3) is provided with a supporting plate (7), the side end of the supporting plate (7) is rotatably connected with four pulleys (9), the upper end and the lower end of the guide slide rail (3) are provided with two pulleys (9), the upper end of the supporting plate (7) is fixedly connected with a limiting plate (6), the limiting plate (6) and the limiting shell (2) are slidably connected, the side end of the supporting plate (7) is fixedly connected with a mounting box (5), the mounting box (5) is slidably connected with a fixing frame (12), the side end of the fixing frame (12) is provided with a squeezing locking piece (8), one end of the fixing frame (12) is inserted with a cutting knife (14), the other end of the fixing frame (12) is fixedly connected with a connecting column (11), the top end of the squeezing locking piece (8) abuts against the cutting knife (14), the inside of the mounting box (5) is provided with a 51 single-chip microcomputer, the outside wall of the mounting box (5) is fixedly connected with a sensor plate (13), the sensor plate (13) is provided with an infrared light-emitting tube, the sensor plate (13) and the 51 single-chip microcomputer are electrically connected, the side end of the fixing frame (12) is fixedly connected with a fixed plate (16), the middle of the fixed plate (16) is provided with a squeezing piece (17), the top end of the squeezing piece (17) is fixedly connected with a moving plate (18), the upper end of the moving plate (18) is provided with a clamping plate (20), the inside of the mounting box (5) is fixedly connected with an electric push rod (21) and an electromagnet (23), the top end of the electric push rod (21) is fixedly connected with a mounting seat (22), the tail end of the clamping plate (20) is slidably connected with the mounting seat (22).

2. The material width and position detection structure of the lettering machine according to claim 1, characterized in that: The middle of the mounting box (5) is fixedly connected with a positioning rod (10), the lower end of the positioning rod (10) is slidably connected with the fixing frame (12), the both ends of the positioning rod (10) penetrate through the fixing frame (12).

3. The material width and position detection structure of the lettering machine according to claim 1, characterized in that: The both sides of the connecting column (11) are provided with driving wheels (25), the left driving wheel (25) is rotatably connected with the mounting box (5), the mounting box (5) is provided with a driving motor, and the right driving wheel (25) is fixedly connected with the power output end of the driving motor.

4. The material width and position detection structure of the lettering machine according to claim 1, wherein: The fixed plate (16) is in L-shaped structure, the upper end of the fixed plate (16) is provided with a clamping groove, and the squeezing piece (17) is located in the clamping groove.

5. The material width and position sensing structure for a lettering machine according to claim 1, wherein: The left end of the squeezing piece (17) is in columnar structure, and the right end of the squeezing piece (17) is in rugby structure.

6. The material width and position sensing structure for a lettering machine according to claim 1, wherein: The clamping plate (20) is in L-shaped structure, the upper end of the moving plate (18) is fixedly connected with a plurality of limiting teeth (19), and the limiting teeth (19) are in triangular structure.

7. The material width and position detection structure of the lettering machine according to claim 1, characterized in that: The inside of the installation box (5) is fixedly connected with an extrusion spring (24), the lower end of the extrusion spring (24) abuts against the upper end of a clamping plate (20), the lower end of the clamping plate (20) is inlaid with an iron plate, and an electromagnet (23) faces the iron plate.

8. The material width and position detection structure of the lettering machine according to claim 1, characterized in that: The engraver main body (1) is provided with a low-reflection-value induction groove (15), both ends of the low-reflection-value induction groove (15) extend to both ends of the engraver main body (1), and the low-reflection-value induction groove (15) reflects infrared light.

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