Cutter mechanism of strapping machine

Abstract

The utility model provides a cutter mechanism of a strapping machine. The cutter mechanism comprises a seat body, a main shaft mechanism, a left cutter pressing mechanism, a sliding panel mechanism and a cutter mechanism, when the driving motor works, the main shaft can be driven to rotate, and the first cam, the second cam and the third cam rotate simultaneously. During bundling, one end of a plastic bundling belt is conveyed to the position above the left pressing part, the left pressing part is driven to ascend, and the sliding panel moves forwards, so that one end of the plastic bundling belt is pressed between the top of the left pressing part and the bottom of the sliding panel through the left pressing part; the plastic bundling belt can be cut off by driving the cutter to rise, positioning and cutting operation of the plastic bundling belt can be automatically completed, the plastic bundling belt cutting device has the advantages of being compact in structure and small in size, the left pressing part, the sliding panel and the cutter can be driven to move through the main shaft only by arranging one motor, and equipment energy consumption and equipment cost are effectively reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to packing equipment technical field especially a cutting knife mechanism of bundling machine. BACKGROUND

[0002] When packing some products, packaging bags need to be used, and a certain number of packaging bags need to be stacked and bundled when leaving the factory, and a bundling machine needs to be used for bundling operation. The bundling machine needs to cut off the plastic bundling tape during bundling, and the existing bundling machine has a large cutting knife mechanism, occupies a large space of the bundling machine, needs to use multiple cylinders to cooperate, has large equipment energy consumption, and increases production cost. UTILITY MODEL CONTENTS

[0003] The utility model wants to solve the problem of providing a cutting knife mechanism of bundling machine, reducing the volume and reducing the equipment energy consumption.

[0004] The cutting knife mechanism of the bundling machine is provided to solve the above technical problems, which comprises a seat body, a main shaft mechanism, a left pressing knife mechanism, a sliding surface plate mechanism and a cutting knife mechanism. The seat body comprises a bottom plate and a mounting vertical plate fixedly connected to the bottom plate. The main shaft mechanism comprises a main shaft rotatably connected to the mounting vertical plate and a driving motor fixedly connected to the bottom plate and drivingly connected to the main shaft. The left pressing knife mechanism comprises a left pressing knife lifting block. A guide rod mounting plate is fixedly connected to the mounting vertical plate. A first longitudinal guide rod is fixedly connected between the guide rod mounting plate and the bottom plate. The first longitudinal guide rod and the left pressing knife lifting block are connected through a shaft sleeve. A return spring is sleeved on the first longitudinal guide rod and abuts between the guide rod mounting plate and the left pressing knife lifting block. A left pressing part is arranged on the left pressing knife lifting block. A first contact wheel is rotatably connected to one side of the left pressing knife lifting block. A first cam is mounted on the main shaft and abuts on the first contact wheel. The sliding surface plate mechanism comprises a sliding surface plate slidingly connected to the mounting vertical plate along the thickness direction of the mounting vertical plate, a first rotating seat fixedly connected to the mounting vertical plate, a shift lever shaft rotatably connected to the first rotating seat, a shift lever fixedly connected to one end of the shift lever shaft, a connecting plate fixedly connected to the other end of the shift lever shaft, a second contact wheel rotatably connected to one end of the connecting plate, a second cam mounted on the main shaft, a first tension spring connected between the connecting plate and the bottom plate, and the second contact wheel abutting on the second cam. One end of the shift lever is provided with a U-shaped groove, and one side of the sliding surface plate is fixedly connected with a shift pin located in the U-shaped groove. The cutting knife mechanism comprises a cutting knife lifting block and a cutting knife fixedly connected to the cutting knife lifting block. A second longitudinal guide rod is fixedly connected between the guide rod mounting plate and the bottom plate. The second longitudinal guide rod and the cutting knife lifting block are connected through a shaft sleeve. A second tension spring is connected between the cutting knife lifting block and the bottom plate. A third contact wheel is rotatably connected to one side of the cutting knife lifting block. A third cam is mounted on the main shaft and abuts on the third contact wheel.

[0005] Preferably, one side of the sliding panel is fixedly connected with a guide sleeve, a guide column matched with the guide sleeve is fixedly connected on the installation vertical plate, and the guide sleeve is sleeved on the guide column and movable on the guide column.

[0006] Preferably, a rotating disc is arranged on the main shaft, an induction plate is fixedly connected on the rotating disc, and a photoelectric switch matched with the induction plate is fixedly connected on the installation vertical plate.

[0007] The utility model discloses a cutting knife mechanism of bundling machine, and when the driving motor works, can drive the rotation of the main shaft, and the first cam, the second cam, the third cam will rotate simultaneously. When bundling, one end of the plastic bundling belt is conveyed to the upper side of the left compression part, the left compression part is driven to ascend and the sliding panel is driven to move forward, so that the left compression part is compressed between the top of the left compression part and the bottom of the sliding panel, and when the plastic bundling belt is wound on the whole package bag, the cutting knife is driven to ascend, so that the plastic bundling belt can be cut off. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1 The utility model discloses a cutting knife mechanism of bundling machine, and when the driving motor works, can drive the rotation of the main shaft, and the first cam, the second cam, the third cam will rotate simultaneously.

[0009] Fig. 2 The utility model discloses a cutting knife mechanism of bundling machine, and when the driving motor works, can drive the rotation of the main shaft, and the first cam, the second cam, the third cam will rotate simultaneously.

[0010] The utility model discloses a cutting knife mechanism of bundling machine, and when the driving motor works, can drive the rotation of the main shaft, and the first cam, the second cam, the third cam will rotate simultaneously. DETAILED DESCRIPTION

[0011] In order to make the purpose, technical scheme and advantage of the embodiments of the present disclosure clearer, the technical scheme of the embodiments of the present disclosure will be described clearly and completely below in combination with the drawings of the embodiments of the present disclosure.

[0012] All other embodiments that would be obvious to one of ordinary skill in the art based on the embodiments described herein are within the scope of the present disclosure.

[0013] Reference Figs. 1-2 .

[0014] The utility model provides a kind of cutter mechanism of strapping machine, including seat body 1, main shaft mechanism 2, left pressure cutter mechanism 3, sliding surface plate mechanism 4, cutter mechanism 5;Seat body 1 includes bottom plate 10, fixedly connected on the installation vertical plate 11 of bottom plate 10;Main shaft mechanism 2 includes rotationally connected on the main shaft 20 of installation vertical plate 11, fixedly connected on the drive motor 21 of bottom plate 10 and with main shaft 20 driving connection;Left pressure cutter mechanism 3 includes left pressure cutter lifting slide 30, fixedly connected with guide rod mounting plate 12 on installation vertical plate 11, first longitudinal guide rod 13 is fixedly connected between guide rod mounting plate 12 and bottom plate 10, first longitudinal guide rod 13 and left pressure cutter lifting slide 30 are connected by shaft sleeve, first longitudinal guide rod 13 is provided with reset spring between guide rod mounting plate 12 and left pressure cutter lifting slide 30, left pressure cutter lifting slide 30 is provided with left pressure part 31, first contact wheel 32 is rotationally connected on the side of left pressure cutter lifting slide 30, first cam 33 is installed on main shaft 20 and abuts on first contact wheel 32;Sliding surface plate mechanism 4 includes sliding surface plate 40 slidingly connected on installation vertical plate 11 along the thickness direction of installation vertical plate 11, first rotary seat 41 fixedly connected on installation vertical plate 11, shift fork shaft 42 rotationally connected on first rotary seat 41, shift fork 43 fixedly connected on one end of shift fork shaft 42, connecting plate 44 fixedly connected on the other end of shift fork shaft 42, second contact wheel 45 rotationally connected on one end of connecting plate 44, second cam 46 is installed on main shaft 20, first tension spring is connected between connecting plate 44 and bottom plate 10, second contact wheel 45 abuts on second cam 46, one end of shift fork 43 is provided with U-shaped slot 430, one side of sliding surface plate 40 is fixedly connected with shift pin 47 located on U-shaped slot 430;Cutter mechanism 5 includes cutter lifting slide 50, cutter 51 fixedly connected on cutter lifting slide 50, second longitudinal guide rod 14 is fixedly connected between guide rod mounting plate 12 and bottom plate 10, second longitudinal guide rod 14 and cutter lifting slide 50 are connected by shaft sleeve, second tension spring is connected between cutter lifting slide 50 and bottom plate 10, third contact wheel 52 is rotationally connected on the side of cutter lifting slide 50, third cam 53 is installed on main shaft 20 and abuts on third contact wheel 52.

[0015] The working principle is that the driving motor 21 can drive the main shaft 20 to rotate when working, and the first cam 33, the second cam 46 and the third cam 53 will rotate at the same time. When bundling, one end of the plastic bundling tape is conveyed to the upper side of the left pressing part 31, and the main shaft 20 can drive the left pressing part 31 to move upward when rotating, and the yoke 43 will exert force on the pin 47 when swinging, and the sliding panel 40 will move forward, so that the left pressing part 31 is pressed between the top of the left pressing part 31 and the bottom of the sliding panel 40 by driving the left pressing part 31 to rise and the sliding panel 40 to move forward. When the plastic bundling tape is wound on the whole package bag, the cutter 51 will rise when the main shaft 20 rotates, so that the cutter 51 cuts off the plastic bundling tape, and the positioning and cutting operation of the plastic bundling tape can be automatically completed. The device has the advantages of compact structure, small size and the like. Only one motor is needed to drive the left pressing part 31, the sliding panel 40 and the cutter 51 to move through the main shaft 20, so that the energy consumption and cost of the device are effectively reduced.

[0016] Based on the above embodiment, one side of the sliding panel 40 is fixedly connected with a guide sleeve 48, the mounting vertical plate 11 is fixedly connected with a guide column 49 matched with the guide sleeve 48, and the guide sleeve 48 is sleeved on the guide column 49 and can move on the guide column 49. When the yoke 43 exerts force on the pin 47, the sliding panel 40 will move along the thickness direction of the mounting vertical plate 11, and the guide sleeve 48 will move along the guide column 49 to guide the movement of the sliding panel 40.

[0017] Based on the above embodiment, the main shaft 20 is provided with a rotating disc 22, the rotating disc 22 is fixedly connected with a sensing plate 23, and the mounting vertical plate 11 is fixedly connected with a photoelectric switch 24 matched with the sensing plate 23, so that the current angle of the main shaft 20 can be conveniently judged, and the main shaft 20 can be reset at zero point.

[0018] The above embodiments only describe the preferred embodiments of the present application, and do not limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements of the technical solutions of the present application made by ordinary engineering technicians in the field shall fall within the protection scope determined by the claims of the present application.

Claims

1. A cutter mechanism of a strapping machine, characterized by The utility model provides a cutting machine, including seat, main shaft mechanism, left pressure knife mechanism, slide panel mechanism, cutting knife mechanism, the seat includes bottom plate, fixedly connected on the bottom plate's installation vertical board, the main shaft mechanism includes rotationally connected on the installation vertical board's main shaft, fixedly connected on the bottom plate and with the main shaft drive connection's drive motor, the left pressure knife mechanism includes left pressure knife lifting slide, the installation vertical board fixedly connected with guide rod mounting plate, fixedly connected with first longitudinal guide rod between the guide rod mounting plate and the bottom plate, be connected through the shaft sleeve between the first longitudinal guide rod and the left pressure knife lifting slide, the first longitudinal guide rod is provided with reset spring and is abutted between the guide rod mounting plate and the left pressure knife lifting slide, be provided with left pressure tightly on the left pressure knife lifting slide, the first contact wheel is rotationally connected on the left pressure knife lifting slide one side, the first cam is installed on the main shaft and is abutted on the first contact wheel, the slide panel mechanism includes along the thickness direction sliding connection on the installation vertical board's slide panel, fixedly connected on the installation vertical board's first rotary seat, rotationally connected on the first rotary seat's shift fork shaft, fixedly connected on the shift fork shaft one end's shift fork, fixedly connected on the shift fork shaft other end's connecting plate, rotationally connected on the connecting plate one end's second contact wheel, the second cam is installed on the main shaft, the first tension spring is connected between the connecting plate and the bottom plate, the second contact wheel is abutted on the second cam, one end of the shift fork is provided with U type groove, one side of the slide panel is fixedly connected with the shift pin of being located on the U type groove, the cutting knife mechanism includes cutting knife lifting slide, fixedly connected on the cutting knife lifting slide's cutting knife, fixedly connected with second longitudinal guide rod between the guide rod mounting plate and the bottom plate, be connected through the shaft sleeve between the second longitudinal guide rod and the cutting knife lifting slide, the second tension spring is connected between the cutting knife lifting slide and the bottom plate, the third contact wheel is rotationally connected on the cutting knife lifting slide one side, the third cam is installed on the main shaft and is abutted on the third contact wheel.

2. A knife mechanism for a strapping machine according to claim 1, wherein One side of the slide panel is fixedly connected with the guide sleeve, the installation vertical board is fixedly connected with the guide post matched with the guide sleeve, the guide sleeve is sleeved on the guide post and can move on the guide post.

3. A knife mechanism for a strapping machine according to claim 2, wherein The main shaft is provided with a turntable, the turntable is fixedly connected with an induction plate, and the installation vertical plate is fixedly connected with a photoelectric switch matched with the induction plate.

Images