CN211761754U

CN211761754U - Electric paper cutting mechanism for paper cutter

Info

Publication number: CN211761754U
Application number: CN201921949223.7U
Authority: CN
Inventors: 陈勇军; 张意迪
Original assignee: RAYSON ELECTRICAL Manufacturing Ltd
Current assignee: RAYSON ELECTRICAL Manufacturing Ltd
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-10-27
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses an electronic paper cutting mechanism for paper cutter, including the workstation, set up motor mounting bracket and controller on the workstation, establish driving motor on motor mounting bracket, set up the installation casing in the motor mounting bracket front side and install crank and cutter unit spare in installation casing inner chamber, rotationally be provided with a pivot in the installation casing, a articulate tip suit is in the pivot, and another tip is connected with cutter unit spare, driving motor passes through drive assembly and drives the pivot rotation, be provided with control button on the workstation. The utility model provides an electronic paper cutting mechanism, the user only needs just can accomplish through triggering control button and cuts, and labour saving and time saving guarantees the effect of tailorring of paper cutter.

Description

Electric paper cutting mechanism for paper cutter

Technical Field

The utility model relates to a paper cutter technical field, in particular to electronic paper cutting mechanism for paper cutter.

Background

The manual paper cutter is generally used for cutting paper by pressing a paper cutting handle, and is mainly suitable for cutting paper neatly for a small number of file binding supports. However, when thick paper or a large amount of paper is to be cut, the user is very laborious, the operation is cumbersome, and the work efficiency is not convenient to improve.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide an electric paper cutting mechanism with high efficiency and easy control.

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

the utility model provides an electronic paper cutting mechanism for paper cutter, includes the workstation, sets up motor mounting bracket and controller on the workstation, establishes driving motor on motor mounting bracket, sets up at the installation casing of motor mounting bracket front side and installs crank and cutter unit spare in installation casing inner chamber, rotationally be provided with a pivot in the installation casing, a articulate tip suit is in the pivot, and another tip is connected with cutter unit spare, driving motor drives the pivot through transmission assembly and rotates, be provided with control button on the workstation, driving motor and control button all with controller electric connection, control button is used for controlling driving motor positive and negative rotation work.

The transmission assembly comprises a gear and a sector gear, the spindle of the driving motor horizontally faces the installation shell and is sleeved with the gear, one end of the rotating shaft, facing the driving motor, extends out of the installation shell and is sleeved with the sector gear, and the gear and the sector gear are in meshing transmission.

The mounting shell comprises a first shell and a second shell which are mutually jointed, and mounting holes which are coaxially arranged with the rotating shaft are formed in the first shell and the second shell.

The cutter component comprises a cutter frame and a cutter, the cutter frame is in a concave shape, a clamping groove used for mounting the cutter is formed in the lower side of the cutter frame, and the cutter is detachably mounted in the clamping groove.

The crank comprises a rectangular supporting arm, a pin shaft and a connecting sleeve, the pin shaft and the connecting sleeve are respectively arranged on two end parts of the supporting arm, and the connecting sleeve is sleeved on the rotating shaft and cannot rotate relative to the rotating shaft.

The pin shaft is sleeved with a first shaft sleeve, one end of the tool rest is provided with a through hole for mounting the first shaft sleeve, the second shell is provided with an arc-shaped groove, and the pin shaft sequentially penetrates through the arc-shaped groove and the through hole; one end of the pin shaft is provided with a first limiting head, and a first gasket is arranged between the first limiting head and the second shell.

The other end of the knife rest is provided with a guide shaft which is parallel to the pin shaft, the second shell is provided with a waist-shaped groove which is obliquely arranged, a guide strip is correspondingly arranged on a straight edge of each waist-shaped groove, the guide shaft is sleeved with a second shaft sleeve, the second shaft sleeve extends into a space between the two guide strips, a second gasket and a second limiting head are arranged at the free end of the guide shaft, and the second gasket is pressed on the guide strips by the second limiting head.

The first travel switch and the second travel switch are arranged on the second shell and used for carrying out travel detection on the first limiting head, the first travel switch is located at the upper end of the arc-shaped groove, the second travel switch is located at the lower end of the arc-shaped groove, and the first travel switch and the second travel switch are both electrically connected with the controller.

The control button comprises two cutter driving buttons and a cutter resetting button arranged between the two cutter driving buttons.

A protective shell is arranged outside the driving motor.

Has the advantages that:

the utility model provides an electric paper cutting mechanism for a paper cutter, compared with the prior art, the automatic paper cutting is realized through the electric driving cutter action, for some thicker paper, even if the cutting force is too large, the electric cutter mechanism can also easily complete the cutting action at one time, and the problem that the cutting effect is influenced because the manual driving force is insufficient when a user uses a manual paper cutter and the cutting needs to be carried out for a plurality of times is solved; in addition, cut to a large amount of paper, the user only needs just can accomplish through triggering control button and cuts, and labour saving and time saving guarantees the effect of tailorring of paper cutter.

Drawings

Fig. 1 is a perspective view 1 of an electric paper cutting mechanism for a paper cutter according to the present invention.

Fig. 2 is a perspective view 2 of the electric paper cutting mechanism for the paper cutter according to the present invention.

Fig. 3 is an internal structural schematic diagram of the mounting housing in the electric paper cutting mechanism for the paper cutter provided by the present invention.

Fig. 4 is a partially enlarged view of the region M in fig. 3.

Fig. 5 is a schematic structural diagram of a second housing in the electric paper cutting mechanism for a paper cutter according to the present invention.

Fig. 6 is a schematic structural diagram of a paper pressing mechanism in the electric paper cutting mechanism for a paper cutter according to the present invention.

Detailed Description

The utility model provides an electronic paper cutting mechanism for paper cutter, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the drawing and the embodiment is lifted the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the scope of the invention.

Referring to fig. 1-5, the utility model provides an electronic paper cutting mechanism for paper cutter, including workstation 1, motor mounting bracket 21 and the controller (not shown in the figure) of setting on the workstation, establish driving motor 22 on motor mounting bracket, set up at the installation casing 3 of motor mounting bracket front side and install crank 4 and cutter unit 5 in the installation casing inner chamber, rotationally be provided with a pivot 6 in the installation casing 3, a tip suit of crank 4 is on pivot 6, and another tip is connected with cutter unit 5, driving motor 22 drives the pivot through drive unit 7 and rotates, be provided with control button 8 on the workstation 1, driving motor 22 and control button 8 all with controller electric connection, control button is used for the positive and negative work of control motor. Here, the mounting case is provided with a cutting path a through which the paper passes and which performs a cutting operation.

Specifically, the transmission assembly 7 includes a gear 71 and a sector gear 72, the spindle 23 of the driving motor horizontally faces the mounting housing 3 and is sleeved with the gear 71, one end of the rotating shaft 6 facing the driving motor extends out of the mounting housing and is sleeved with the sector gear 72, and the gear 71 and the sector gear 72 are in meshing transmission. That is, the driving motor drives the rotating shaft to rotate through the transmission of the gear and the sector gear, and the rotating shaft can rotate stably due to the fact that the gear transmission stability is high.

Further, referring to fig. 1, the mounting housing 3 includes a first housing 31 and a second housing 32 that are engaged with each other, and the first housing and the second housing are provided with mounting holes that are coaxial with the rotating shaft. In order to facilitate the fixed connection of the installation shell and the workbench, a flanging is arranged on the first shell and is in screw connection with the workbench to realize the installation of the first shell, and the first shell and the second shell are connected through screws after being spliced.

Preferably, referring to fig. 3, the cutter assembly 5 includes a cutter holder 51 and a cutter 52, the cutter holder is in a shape of a concave, a clamping groove (not visible in the drawing) for mounting the cutter is formed on the lower side of the cutter holder, and the cutter is detachably mounted in the clamping groove. In this embodiment, cutter and knife rest screwed connection dismantle when the later stage cutter of being convenient for is maintained.

In this embodiment, referring to fig. 4, the crank 4 includes a rectangular support arm 41, a pin (not visible in the figure), and a connecting sleeve 43, the pin and the connecting sleeve 43 are respectively disposed on two ends of the support arm 41, and the connecting sleeve 43 is sleeved on the rotating shaft 6 and cannot rotate relative to the rotating shaft 6.

Specifically, the pin shaft is sleeved with a first shaft sleeve (not visible in the figure), a through hole for mounting the first shaft sleeve is formed in one end of the tool rest, an arc-shaped groove 32a is formed in the second shell, and the pin shaft 42 sequentially penetrates through the arc-shaped groove 32a and the through hole; one end of the pin shaft is provided with a first limiting head 42, a first gasket 46 is arranged between the first limiting head of the pin shaft and the second shell, and the first gasket 46 and the first limiting head 42 of the pin shaft can axially position the first sleeve. Through setting up like this, the round pin axle can not take place to interfere with the second shell, compact structure.

Preferably, referring to fig. 5, a guide shaft (not visible in the drawing) parallel to the pin shaft is disposed at the other end of the tool holder, a slanted kidney-shaped groove 32b is formed in the second housing, a guide strip 32c is correspondingly disposed on a straight edge of each kidney-shaped groove, a second shaft sleeve (not visible in the drawing) is sleeved on the guide shaft and extends between the two guide strips 32c, a second gasket 91 and a second limiting head 92 are disposed at a free end of the guide shaft, and the second limiting head presses the second gasket against the guide strip 32 c. By means of the arrangement, the guide strip can better limit the freedom degree of movement of the second shaft sleeve, and the cutter rest move along the guide direction of the guide strip. Meanwhile, the second gasket 91 and the second limiting head 92 can well axially position the second shaft sleeve, the cutting track is reasonable and effective, and the cutting effect is improved. Here, the kidney groove 32b is provided obliquely toward the position of the cutting passage.

Specifically, referring to fig. 5, a first travel switch 11 and a second travel switch 12 for performing travel detection on the limit head of the pin shaft are arranged on the second housing 32, the first travel switch is located at the upper end of the arc-shaped groove, the second travel switch is located at the lower end of the arc-shaped groove, and both the first travel switch and the second travel switch are electrically connected to the controller.

Preferably, the control button 8 comprises two cutter driving buttons 81 and a cutter resetting button 82 arranged between the two cutter driving buttons; the double hands are in safe positions when the cutter cuts paper; two cutter drive button need both hands correspond simultaneously respectively and press cutter drive button just can the circular telegram cut paper, improve electronic paper cutting mechanism's safety in utilization.

When the user presses two cutter driving buttons 81 simultaneously, the driving motor drives the rotating shaft to rotate anticlockwise to realize paper cutting action, the pin shaft 42 on the crank swings anticlockwise around the arc-shaped groove 32a, so that the extending part of the trigger gasket 46 triggers the second travel switch 12, the driving motor stops rotating, the driving motor is protected, energy consumption is saved, and the effect of controlling the undercut distance of the cutter is achieved, so that the cutter edge of the cutter is prevented from touching hard objects and damaging. Then, when the user needs to press the cutter reset button 82, and the driving motor 22 drives the rotating shaft 43 to rotate clockwise to realize the paper cutting action, the pin shaft 42 on the crank swings clockwise around the arc-shaped groove, so that the extending part of the trigger gasket triggers the first travel switch 11, the driving motor stops rotating, the position of the cutter is accurately controlled, and the cutting operation is waited for once.

Preferably, a protective case 13 is provided outside the driving motor. Through setting up the protective housing, avoid the user to indicate the mistake to touch drive mechanism and take place the damage when operating the paper cutter.

Preferably, two symmetrical L-shaped protective housings 15 are arranged on two sides of the mounting shell, and each L-shaped protective housing is connected with the workbench, the first shell and the second shell respectively. Can cover arc wall and guide way better through setting up L type protective housing, avoid personnel to point the mistake when operation cutter machine and stretch into the inslot.

Referring to fig. 6, in order to prevent a user from starting a paper cutting operation without pressing paper, a pressing plate stroke detection device is also added to a conventional paper pressing mechanism disposed on a mounting housing, the paper pressing mechanism mainly includes a driving plate C1, a manual pressing handle C2, and a pressing plate C3 disposed at a bottom end of the driving plate, and the pressing plate C3 is used for pressing paper; the pressing plate stroke detection device comprises a third stroke switch D1, an installation support plate D2 and a trigger rod D3 which is vertically arranged and penetrates through the installation support plate, a protrusion D4 is arranged at the bottom end of the trigger rod, a through hole D5 for the protrusion to penetrate through is arranged on the transmission plate, when the pressing plate does not press paper, the protrusion D4 penetrates through the through hole downwards due to gravity, the trigger rod cannot trigger the third stroke switch D1, and at the moment, even if the cutter driving button 81 is pressed, paper cutting action cannot be realized; when the pressing plate presses the paper, the protrusion D4 is pushed by the paper and moves upward, so that the top of the trigger rod D3 triggers the third stroke switch D1, and the third stroke switch D1 feeds back information to the controller, so that the paper cutting operation is performed.

Preferably, referring to fig. 2, the workbench is provided with a power charging head 16, a power switch 17 and a storage box 18; the user may place some items (e.g., scissors, clips) in the storage case 18; it should be noted that the cutting position adjusting mechanism B on the workbench is the prior art, and is not described herein again.

The following brief description is made on the working principle: during operation, the user stacks the paper on workstation 1, then through cutting the size that position guiding mechanism B adjustment paper need be tailor, rethread pressing mechanism is vertical with the paper to support and is pressed on the workstation, the user is through triggering control button 8, order about driving motor 22 forward and rotate, gear 71 drives sector gear 72 anticlockwise rotation, thereby make the pivot of being connected with sector gear 72 rotate, and then make setting up at the epaxial crank 4 of commentaries on classics and revolve 6 anticlockwise swings, drive cutter unit spare and push down to the paper, the completion is to cutting of paper. After cutting is finished, the control button 8 is triggered again to reset the cutter assembly 5, so that the next cutting is facilitated. Compared with a manual paper cutter, the electric cutter mechanism of the paper cutter provided by the utility model realizes automatic paper cutting through the action of the electric drive cutter, and can easily finish cutting action once for some thicker paper even if the cutting force is too large, thereby solving the problem that the cutting effect is influenced because the user needs to cut for many times due to insufficient manual driving force when using the manual paper cutter; in addition, cut to a large amount of paper, the user only needs just can accomplish through triggering control button and cuts, and labour saving and time saving guarantees the effect of tailorring of paper cutter.

The controller can adopt a single chip microcomputer or a PLC controller, and a related control circuit is arranged on the controller.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. The utility model provides an electronic paper cutting mechanism for paper cutter, a serial communication port, includes the workstation, sets up motor mounting bracket and controller on the workstation, establishes driving motor on motor mounting bracket, sets up the installation casing in the motor mounting bracket front side and installs crank and cutter unit spare in installation casing inner chamber, rotationally be provided with a pivot in the installation casing, a articulate tip suit is in the pivot, and another tip is connected with cutter unit spare, driving motor drives the pivot through transmission assembly and rotates, be provided with control button on the workstation, driving motor and control button all with controller electric connection, control button is used for controlling driving motor positive and negative rotation work.

2. The electric paper cutting mechanism for paper cutting machine as claimed in claim 1, wherein the transmission assembly includes a gear and a sector gear, the main shaft of the driving motor horizontally faces the mounting housing and is sleeved with the gear, the end of the rotating shaft facing the driving motor extends out of the mounting housing and is sleeved with the sector gear, and the gear and the sector gear are in mesh transmission.

3. The electric paper cutting mechanism for a paper cutter as claimed in claim 1, wherein the mounting case includes a first casing and a second casing coupled to each other, each of the first casing and the second casing having a mounting hole provided coaxially with the rotary shaft.

4. The electric paper cutting mechanism of claim 1, wherein the cutter assembly comprises a cutter frame and a cutter, the cutter frame is in a shape of a Chinese character 'ao', a clamping groove for mounting the cutter is formed in the lower side of the cutter frame, and the cutter is detachably mounted in the clamping groove.

5. The electric paper cutting mechanism for paper cutter as claimed in claim 3, wherein the crank comprises a rectangular arm, a pin and a connecting sleeve, the pin and the connecting sleeve are respectively provided on two ends of the arm, and the connecting sleeve is sleeved on the rotating shaft and can not rotate relative to the rotating shaft.

6. The electric paper cutting mechanism for the paper cutter as claimed in claim 5, wherein the pin roll is sleeved with a first shaft sleeve, one end of the cutter frame is provided with a through hole for mounting the first shaft sleeve, the second housing is provided with an arc-shaped groove, and the pin roll sequentially passes through the arc-shaped groove and the through hole; one end of the pin shaft is provided with a first limiting head, and a first gasket is arranged between the first limiting head and the second shell.

7. The electric paper cutting mechanism for the paper cutting machine as claimed in claim 6, wherein the other end of the cutter frame is provided with a guide shaft arranged in parallel with the pin shaft, the second housing is provided with a waist-shaped groove arranged obliquely, a guide strip is correspondingly arranged on a straight edge of each waist-shaped groove, a second shaft sleeve is sleeved on the guide shaft and extends between the two guide strips, and a second gasket and a second limiting head are arranged at the free end of the guide shaft and press the second gasket against the guide strips.

8. The electric paper cutting mechanism for the paper cutter as claimed in claim 6, wherein the second housing is provided with a first travel switch and a second travel switch for detecting the travel of the first limit head, the first travel switch is located at the upper end of the arc-shaped groove, the second travel switch is located at the lower end of the arc-shaped groove, and the first travel switch and the second travel switch are both electrically connected with the controller.

9. The electric cutting mechanism for a paper cutter of claim 8, wherein the control buttons include two cutter driving buttons, a cutter reset button disposed between the two cutter driving buttons.

10. The electric paper cutting mechanism for a paper cutter as claimed in claim 1, wherein a protective case is provided outside the drive motor.