Cutter buffering device in rewinding machine

Abstract

The utility model relates to a cutter buffering device in a rewinding machine. The cutter buffering device comprises a cutter component, a driving component, a first buffering component, a second buffering component and a control component. The device has the advantages that by arranging the first buffering component and the second buffering component, vibration of the cutter component can be reduced when the driving component conducts cutting operation, and the device adapts to high-speed operation; in addition, the second buffering part can limit the cutter stroke of the cutter part, and the situation that the cutter part is not suitable for high-speed operation due to the fact that the rotating stroke of the cutter part is too large in the cutting process of the cutter part can be avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to rewinding equipment technical field especially, it relates to a cutter buffer device in rewinding machine. BACKGROUND

[0002] In the manufacturing process of aluminum foil or silicon oil paper and other paper rolls, the roll diameter of the aluminum foil or silicon oil paper and other paper rolls just manufactured is relatively large, but in the process of sales, the too large roll exists many inconveniences, therefore need to carry out the paper and form smaller roll, convenient paper sales, transportation and preservation etc., wherein in the process of carrying out the paper and forming smaller roll, will apply to rewinding machine.

[0003] The current rewinding machine cutter produces violent vibration in the cutting process due to the lack of effective buffer design when running at high speed. This vibration not only affects the cutting accuracy, but also may cause damage to the overall structure of the machine, limiting the application of the rewinding machine in high-speed production environment.

[0004] Although the rewinding machine cutter is equipped with a cylinder buffer device, its buffering effect is limited and it is difficult to meet the diversified needs in actual production. More importantly, the use of the cylinder buffer device must rely on the full stroke of the cylinder, which greatly reduces the flexibility of adjusting the buffering effect and cannot be accurately adjusted according to the specific production situation.

[0005] The rubber pad buffer scheme used by the rewinding machine cutter has the problem of poor buffering effect in actual application. Although the rubber pad can absorb part of the vibration to a certain extent, its damping effect is limited and cannot effectively suppress the strong vibration generated during high-speed cutting. This to some extent affects the cutting efficiency and cutting quality of the rewinding machine.

[0006] At present, there is no effective solution to the problem of poor buffering effect of the rewinding machine cutter in the related technology. UTILITY MODEL CONTENTS

[0007] The utility model aims at the deficiencies in the prior art and provides a cutter buffer device in a rewinding machine to solve the problem of poor buffering effect of the rewinding machine cutter in the related technology.

[0008] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of:

[0009] The utility model provides a cutter buffer device in a rewinding machine, which comprises:

[0010] A cutter component is rotationally connected to the frame of the rewinding machine and is used for cutting aluminum foil or silicon oil paper and other paper rolls.

[0011] A driving component is arranged on the frame of the rewinding machine and connected with the cutter component for driving the cutter component to rotate;

[0012] A first buffering component is arranged on the driving component for buffering the cutter component;

[0013] A second buffering component is arranged on the frame of the rewinding machine for buffering the cutter component and limiting the cutter stroke of the cutter component;

[0014] A control component is arranged on the frame of the rewinding machine and connected with the driving component for controlling the start and stop of the driving component.

[0015] In some embodiments, the cutter component comprises:

[0016] A support member for mounting parts;

[0017] A cutter member arranged on the support member for cutting paper rolls such as aluminum foil or silicon oil paper;

[0018] A connecting member arranged on the support member for connecting the support member with the driving component.

[0019] In some embodiments, the driving component comprises:

[0020] Two mounting rack members respectively arranged on the two side walls of the frame in the width direction of the rewinding machine for mounting parts;

[0021] A rotating shaft member, two ends of which are respectively rotatably connected with the corresponding mounting rack members and connected with the cutter component for rotatably connecting the cutter component with the frame of the rewinding machine;

[0022] A driving member arranged on the frame of the rewinding machine and connected with the control component for providing power;

[0023] A transmission rod member connected with the output shaft of the driving member and the rotating shaft member for rotating under the action of the driving member and driving the rotating shaft member to rotate.

[0024] In some embodiments, the driving component further comprises:

[0025] Two bearing members respectively arranged on the corresponding mounting rack members for rotatably connecting the rotating shaft member with the mounting rack members.

[0026] In some embodiments, the driving component further comprises:

[0027] A hinge is arranged between the output shaft of the driving member and the transmission rod member, and is used to connect the output shaft of the driving member and the transmission rod member.

[0028] In some embodiments, the first buffering component comprises:

[0029] A first buffering member is sleeved on the output shaft of the driving member, and is used to buffer the cutter component.

[0030] In some embodiments, the second buffering component comprises:

[0031] A first mounting seat member is arranged on the frame of the rewinding machine, and is used to mount parts;

[0032] A second buffering member is arranged on the first mounting seat member, and is used to buffer the cutter component;

[0033] A second mounting seat member is arranged on the frame of the rewinding machine, and is used to mount parts;

[0034] A third buffering member is arranged on the second mounting seat member, and is used to buffer the cutter component;

[0035] The second buffering member and the third buffering member are arranged at intervals along the stroke of the cutter component, and are used to limit the cutter stroke of the cutter component.

[0036] In some embodiments, the control component comprises:

[0037] A communication member is arranged on the frame of the rewinding machine, and is connected with external remote control equipment, and is used to receive and transmit signals;

[0038] A control member is arranged on the frame of the rewinding machine, and is connected with the communication member and the driving component respectively, and is used to control the driving component.

[0039] In some embodiments, the control component comprises:

[0040] A blowing component is arranged on the cutter component, and is connected with a gas source and the control component respectively, and is used to blow the paper roll such as aluminum foil or silicon oil paper under the action of the control component.

[0041] In some embodiments, the blowing component comprises:

[0042] A blowing member is arranged on the cutter component, and is used to blow the paper roll such as aluminum foil or silicon oil paper;

[0043] Two adapters, two said adapter is arranged in the end of the purge piece, for the purge piece and gas source communication;

[0044] Valve body, the valve body is arranged on the pipeline of the adapter and gas source communication, and is connected with the control component, for controlling the gas source and the flow of the purge piece.

[0045] In some embodiments, the purge piece further comprises:

[0046] Several purge holes, several said purge hole is opened in the purge piece, and is arranged along the length direction of the purge piece, and the purge hole is towards the cutting of the cutter component.

[0047] The utility model discloses the above technical scheme, compared with the prior art, has the following technical effects:

[0048] The utility model discloses a knife buffer device in rewinding machine, through setting up first buffer part and second buffer part, can make the cutter component reduce vibration under the condition that driving part carries out cutting operation, makes the device adapt to high -speed operation, in addition, second buffer part can also limit the cutter component's cutter stroke, can avoid the rotation stroke of cutter component during the cutting process of cutter component is too big, thereby not applicable to high -speed operation. DETAILED DESCRIPTION

[0049] Figure 1 It is the schematic diagram (one) of the cutter buffer device according to the utility model embodiment;

[0050] Figure 2 It is the schematic diagram of cutter component and driving part according to the utility model embodiment;

[0051] Figure 3 It is the schematic diagram of first buffer part and second buffer part according to the utility model embodiment;

[0052] Figure 4 It is the schematic diagram (one) of the cutter buffer device according to the utility model embodiment;

[0053] Figure 5 It is the schematic diagram (two) of the cutter buffer device according to the utility model embodiment;

[0054] Figure 6 It is the schematic diagram of purge part according to the utility model embodiment;

[0055] Figure 7 It is the schematic diagram (two) of the cutter buffer device according to the utility model embodiment.

[0056] Wherein the reference signs are: 100, cutter part; 110, support piece; 120, cutter piece; 130, connecting piece;

[0057] 200, driving part; 210, mounting rack piece; 220, rotating shaft piece; 230, driving piece; 240, transmission rod piece; 250, bearing piece; 260, hinged piece;

[0058] 300, first buffer part;

[0059] 400, second buffer part; 410, first mounting seat piece; 420, second buffer piece; 430, second mounting seat piece; 440, third buffer piece;

[0060] 500, control part; 510, communication piece; 520, control piece;

[0061] 600, blowing part; 610, blowing piece; 611, blowing hole; 620, adapter piece; 630, valve body piece. DETAILED DESCRIPTION

[0062] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application is described and explained below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application, and are not used to limit the present application. Based on the examples provided in the present application, all other examples obtained by those of ordinary skill in the art without making creative efforts fall within the scope of the present application.

[0063] Obviously, the drawings described below are only some examples or embodiments of the present application, and for those of ordinary skill in the art, the present application can also be applied to other similar scenarios without making creative efforts based on these drawings. In addition, it can be understood that although the efforts made in this development process can be complex and lengthy, for those of ordinary skill in the art related to the content disclosed in the present application, some design, manufacture or production changes based on the technical content disclosed in the present application are only routine technical means, and should not be understood as insufficient disclosure of the present application.

[0064] In the present application, "embodiment" means that the specific features, structures or characteristics described in combination with the embodiment can be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily mean the same embodiment, nor is it an independent or alternative embodiment that is not mutually exclusive with other embodiments. It is explicitly and implicitly understood by those of ordinary skill in the art that the embodiments described in the present application can be combined with other embodiments without conflict.

[0065] Example 1

[0066] One exemplary embodiment of the present application is shown in Figure 1 and Figure 4 A knife buffer device in a rewinding machine, comprising a knife component 100, a driving component 200, a first buffer component 300, a second buffer component 400 and a control component 500. Wherein the knife component 100 is rotationally connected to the frame of the rewinding machine, for cutting paper rolls such as aluminum foil or silicon oil paper; the driving component 200 is arranged on the frame of the rewinding machine and connected with the knife component 100, for driving the rotation of the knife component 100; the first buffer component 300 is arranged on the driving component 200, for buffering the knife component 100; the second buffer component 400 is arranged on the frame of the rewinding machine, for buffering the knife component 100 and limiting the cutter stroke of the knife component 100; the control component 500 is arranged on the frame of the rewinding machine and connected with the driving component 200, for controlling the start and stop of the driving component 200.

[0067] As shown in Figure 2 and Figure 3 The knife component 100 comprises a bracket 110, a knife 120 and a connecting piece 130. Wherein the bracket 110 is used for mounting parts; the knife 120 is arranged on the bracket 110, for cutting paper rolls such as aluminum foil or silicon oil paper; the connecting piece 130 is arranged on the bracket 110, for connecting the bracket 110 with the driving component 200.

[0068] Specifically, the bracket 110 comprises a rectangular plate, three connecting rods and a rectangular frame. Wherein the rectangular plate is connected with the driving component 200 through the connecting piece 130; the three connecting rods are arranged at intervals along the length direction of the rectangular plate, and the three connecting rods are respectively located at both ends and the middle position of the length direction of the rectangular plate, and the first end of the connecting rod is connected with the rectangular plate by welding, riveting or bolt fixing, and the second end of the connecting rod is connected with the rectangular frame by welding, riveting or bolt fixing.

[0069] It should be noted that the first end and the second end of the connecting rod are respectively the two ends of the length direction thereof.

[0070] In addition, the rectangular frame has a groove corresponding to the position of the second end of the connecting rod, which can embed the second end of the connecting rod.

[0071] Specifically, the knife 120 is installed on the rectangular frame by welding, riveting or bolt fixing, and the length of the knife 120 is the same as the length of the rectangular frame.

[0072] In some embodiments, the knife 120 includes but is not limited to a cutting knife.

[0073] Specifically, the connecting piece 130 is connected with the rectangular plate by welding, riveting or bolt fixing, and the connecting piece 130 is connected with the driving component 200, so as to realize the connection between the support component 110 and the driving component 200.

[0074] In some embodiments, the connecting piece 130 includes but is not limited to a connecting block.

[0075] It should be noted that the number of the connecting piece 130 is two, and the two connecting pieces 130 are arranged along the length direction of the rectangular plate.

[0076] As shown in Figure 2 and Figure 3 The driving component 200 includes two mounting rack components 210, a rotating shaft component 220, a driving component 230 and a transmission rod component 240. The two mounting rack components 210 are arranged on the two side walls of the rewinder in the width direction of the frame, respectively, for mounting parts; the two ends of the rotating shaft component 220 are rotatably connected with the corresponding mounting rack components 210, and are connected with the cutter component 100, for rotatably connecting the cutter component 100 with the frame of the rewinder; the driving component 230 is arranged on the frame of the rewinder and is connected with the control component 500, for providing power; the transmission rod component 240 is connected with the output shaft of the driving component 230 and the rotating shaft component 220, for rotating under the action of the driving component 230 and driving the rotating shaft component 220 to rotate.

[0077] Specifically, the mounting rack component 210 is connected with the frame of the rewinder by welding, riveting or bolt fixing, and the mounting rack component 210 can provide mounting conditions for the rotating shaft component 220.

[0078] In some embodiments, the mounting rack component 210 includes but is not limited to a circular plate.

[0079] In addition, the mounting rack component 210 has a circular hole in the middle, which can be used for the end of the rotating shaft component 220 to pass through.

[0080] Specifically, the first end and the second end of the rotating shaft component 220 are connected with the corresponding mounting rack components 210, and the length direction of the rotating shaft component 220 is the same as the width direction of the frame of the rewinder.

[0081] In some embodiments, the rotating shaft component 220 includes but is not limited to a circular shaft.

[0082] Specifically, the driving component 230 is mounted on the frame of the rewinder by welding, riveting or bolt fixing, and the driving component 230 is connected with the control component 500 by wired connection.

[0083] In some embodiments, the driving component 230 includes but is not limited to a pneumatic cylinder.

[0084] Specifically, the middle part of the transmission rod 240 is connected with the output shaft of the driving member 230 by welding, riveting or bolt fixing, etc., and the first end of the transmission rod 240 is connected with the rotating shaft member 220, that is, the driving member 230 can drive the transmission rod 240 to rotate, and the rotation of the transmission rod 240 can drive the rotation of the rotating shaft member 220, so as to realize the rotation of the cutter member 100, and further realize the cutting operation on the paper roll of aluminum foil or silicon oil paper, etc.

[0085] In some embodiments, the transmission rod 240 includes, but is not limited to, a crank.

[0086] Further, the driving member 200 further includes two bearing members 250. The two bearing members 250 are respectively arranged on the corresponding mounting bracket members 210, and are used to rotationally connect the rotating shaft member 220 with the mounting bracket members 210.

[0087] Specifically, the outer ring of the bearing member 250 is connected with the inner wall of the circular hole of the mounting bracket member 210 by welding, riveting or bolt fixing, etc., and the inner ring of the bearing member 250 is connected with the outer wall of the rotating shaft member 220 by welding, riveting or bolt fixing, etc.

[0088] In some embodiments, the bearing member 250 includes, but is not limited to, a ball bearing.

[0089] Further, the driving member 200 further includes a hinge member 260. The hinge member 260 is arranged between the output shaft of the driving member 230 and the transmission rod 240, and is used to rotationally connect the output shaft of the driving member 230 with the transmission rod 240.

[0090] Specifically, the hinge member 260 is connected with the output shaft of the driving member 230 by welding, riveting or bolt fixing, etc., and the hinge member 260 is rotationally connected with the middle part of the transmission rod 240.

[0091] In some embodiments, the hinge member 260 includes, but is not limited to, a hinge joint.

[0092] As shown in Figure 1 The first buffering member 300 includes a first buffering member. The first buffering member is sleeved on the output shaft of the driving member 230, and the first end of the first buffering member is abutted with the transmission rod 240, so as to buffer the cutter member 100.

[0093] Specifically, the first end of the first buffering member is abutted with the middle part of the transmission rod 240, and the second end of the first buffering member is abutted with the housing of the driving member 230. It should be noted that the first end and the second end of the first buffering member are respectively two ends in the length direction thereof.

[0094] In some embodiments, the first buffering member includes, but is not limited to, a spring.

[0095] As Figure 2 and Figure 3 shown, the second buffering component 400 includes a first mounting seat member 410, a second buffering member 420, a second mounting seat member 430, and a third buffering member 440. Among them, the first mounting seat member 410 is arranged on the rack of the rewinding machine, used for mounting parts; the second buffering member 420 is arranged on the first mounting seat member 410, used for buffering the cutter component 100; the second mounting seat member 430 is arranged on the rack of the rewinding machine, used for mounting parts; the third buffering member 440 is arranged on the second mounting seat member 430, used for buffering the cutter component 100; wherein the second buffering member 420 and the third buffering member 440 are respectively arranged along the stroke of the cutter component 100, used for limiting the cutter stroke of the cutter component 100.

[0096] Specifically, the first mounting seat member 410 is connected with the rack of the rewinding machine by welding, riveting or bolt fixing and the like, and the first mounting seat member 410 can provide mounting conditions for the second buffering member 420.

[0097] In some embodiments, the first mounting seat member 410 includes but is not limited to an L-shaped plate.

[0098] Specifically, the second buffering member 420 is mounted on the first mounting seat member 410 by welding, riveting or bolt fixing and the like, and the second buffering member 420 can abut against the second end of the transmission rod 240, used for buffering the cutter component 100.

[0099] In some embodiments, the second buffering member 420 includes but is not limited to a hydraulic buffer.

[0100] Specifically, the second mounting seat member 430 is connected with the rack of the rewinding machine by welding, riveting or bolt fixing and the like, and the second mounting seat member 430 can provide mounting conditions for the third buffering member 440.

[0101] In some embodiments, the second mounting seat member 430 includes but is not limited to an L-shaped plate.

[0102] Specifically, the third buffering member 440 is mounted on the second mounting seat member 430 by welding, riveting or bolt fixing and the like, and the third buffering member 440 can abut against the second end of the transmission rod 240, used for buffering the cutter component 100.

[0103] In some embodiments, the third buffering member 440 includes but is not limited to a hydraulic buffer.

[0104] It should be noted that the included angle between the second buffer 420, the third buffer 440 and the rotating shaft 220 is between 30-60 degrees, and the second buffer 420 and the third buffer 440 can not only buffer the cutter component 100, but also limit the cutter stroke of the cutter component 100.

[0105] As shown in Figure 4 The control component 500 includes a communication component 510 and a control component 520. The communication component 510 is arranged on the frame of the rewinding machine and connected with external remote control equipment for receiving and transmitting signals. The control component 520 is arranged on the frame of the rewinding machine and connected with the communication component 510 and the driving component 200 for controlling the driving component 200.

[0106] Specifically, the communication component 510 is installed on the frame of the rewinding machine by welding, riveting or bolt fixing, and the communication component 510 is connected with external remote control equipment by wired connection or wireless connection for receiving and transmitting signals.

[0107] In some embodiments, the communication component 510 includes but is not limited to a Bluetooth sensor, a WiFi sensor and a ZigBee sensor.

[0108] Specifically, the control component 520 is installed on the frame of the rewinding machine by welding, riveting or bolt fixing, and the control component 520 is connected with the communication component 510 and the driving component 230 by wired connection for controlling the start and stop of the driving component 230.

[0109] In some embodiments, the control component 520 includes but is not limited to an MCU, a Raspberry Pi and a single-chip microcomputer.

[0110] The use method of the embodiment is as follows:

[0111] In actual operation, the control component 520 starts the driving component 230, the driving component 230 drives the transmission rod 240 to rotate, and the transmission rod 240 drives the rotating shaft 220 to rotate, so that the rotating shaft 220 drives the support 110 to rotate, and the cutter 120 can cut the paper roll such as aluminum foil or silicon oil paper;

[0112] In addition, the first buffer sleeved on the output shaft of the driving component 230 can buffer the rotation of the driving component 230 driving the transmission rod 240;

[0113] In addition, the second buffer 420 and the third buffer 440 arranged along the cutter stroke of the cutter 120 can further buffer the rotation of the transmission rod 240, so as to prevent the cutter 120 from vibrating during cutting and improve the stability of cutting the paper roll such as aluminum foil or silicon oil paper.

[0114] The advantage of the embodiment is that the first and second buffering components can reduce the vibration of the cutter component when the driving component is cutting, so that the device is suitable for high-speed operation. In addition, the second buffering component can limit the cutting stroke of the cutter component, so that the cutter component does not rotate too much during cutting, thereby being not suitable for high-speed operation.

[0115] Embodiment 2

[0116] The embodiment is a variant of embodiment 1, and the main difference between the embodiment and embodiment 1 is that the cutter buffering device further comprises a blowing component 600.

[0117] As shown in Figure 5 , a cutter buffering device in a rewinding machine further comprises a blowing component 600. The blowing component 600 is arranged on the cutter component 100 and is connected with a gas source and the control component 500 respectively, and is used for blowing the paper roll such as aluminum foil or silicon oil paper under the action of the control component 500.

[0118] As shown in Figure 6 and Figure 7 , the blowing component 600 comprises a blowing piece 610, two adapter pieces 620 and a valve body piece 630. The blowing piece 610 is arranged on the cutter component 100 and is used for blowing the paper roll such as aluminum foil or silicon oil paper; the two adapter pieces 620 are arranged at the ends of the blowing piece 610 and are used for connecting the blowing piece 610 with the gas source; and the valve body piece 630 is arranged on the pipeline through which the adapter pieces 620 and the gas source are communicated, and is connected with the control component 500, and is used for controlling the flow of the gas source and the blowing piece 610.

[0119] Specifically, the blowing piece 610 is installed on the support piece 110 by welding, riveting or bolt fixing, and the blowing piece 610 is arranged along the length of the cutter piece 120, and the length of the blowing piece 610 is the same as that of the cutter piece 120.

[0120] In some embodiments, the blowing piece 610 includes but is not limited to a pipeline.

[0121] Specifically, the two adapter pieces 620 are respectively threadedly connected with the first end and the second end of the blowing piece 610, and the adapter pieces 620 are communicated with the valve body piece 630 through the air pipe. It should be noted that the first end and the second end of the blowing piece 610 are the two ends in the length direction thereof.

[0122] In some embodiments, the adapter piece 620 includes but is not limited to an adapter.

[0123] Specifically, the valve body 630 is connected with the support 110 by welding, riveting or bolt fixing, and the valve body 630 is arranged on the pipeline connected with the air source, and is used for controlling the flow of the air source to the blowing part 610.

[0124] In some embodiments, the valve body 630 includes, but is not limited to, an air valve.

[0125] Further, the blowing part 610 further includes a plurality of blowing holes 611. The blowing holes 611 are arranged on the blowing part 610 and are arranged along the length direction of the blowing part 610, and the blowing holes 611 are arranged towards the cutting part of the cutter part 100.

[0126] It should be noted that the number of blowing holes can be set according to actual needs, and is not limited here.

[0127] The use method of the embodiment is the same as that of the embodiment 1, and is not described here.

[0128] The advantage of the embodiment is that the blowing part can blow the paper roll such as aluminum foil or silicon oil paper when the cutter part is cutting, and the cutting efficiency of the cutter part is improved.

[0129] The technical features of the above embodiments can be combined arbitrarily. In order to make the description simple, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not exist, they should be considered as the scope of the description.

[0130] The above embodiments only express several embodiments of the application, and the description is more specific and detailed, but it should not be understood as a limitation on the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the application, some modifications and improvements can be made, which are all within the protection scope of the application. Therefore, the protection scope of the patent of the application should be subject to the appended claims.

Claims

1. A knife buffer device in a rewinding machine, characterized in that, The utility model relates to a cutting device for paper roll cutting machine, comprising: a cutter part rotatably connected to the frame of the paper roll cutting machine for cutting the paper roll; a driving part provided on the frame of the paper roll cutting machine and connected to the cutter part for driving the cutter part to rotate; a first buffering part provided on the driving part for buffering the cutter part; a second buffering part provided on the frame of the paper roll cutting machine for buffering the cutter part and limiting the cutter stroke of the cutter part; a control part provided on the frame of the paper roll cutting machine and connected to the driving part for controlling the start and stop of the driving part.

2. The knife bumper of claim 1, wherein, The cutter part comprises: a support part for mounting components; a cutter part provided on the support part for cutting the paper roll; a connecting part provided on the support part for connecting the support part to the driving part.

3. The knife bumper of claim 1, wherein, The driving part comprises: two mounting parts provided on the two side walls of the frame of the paper roll cutting machine in the width direction for mounting components; a rotating shaft part rotatably connected to the corresponding mounting part at both ends and connected to the cutter part for rotatably connecting the cutter part to the frame of the paper roll cutting machine; a driving part provided on the frame of the paper roll cutting machine and connected to the control part for providing power; a transmission rod part connected to the output shaft of the driving part and the rotating shaft part for rotating under the action of the driving part and driving the rotating shaft part to rotate.

4. The knife bumper of claim 3, wherein, The driving part further comprises: two bearing parts provided on the corresponding mounting part for rotatably connecting the rotating shaft part to the mounting part; and / or The driving part further comprises: a hinge part provided between the output shaft of the driving part and the transmission rod part for rotatably connecting the output shaft of the driving part to the transmission rod part.

5. The knife bumper of claim 3, wherein, The first buffering part comprises: a first buffering part sleeved on the output shaft of the driving part for buffering the cutter part.

6. The knife bumper of claim 1, wherein, The second buffering part comprises: a first mounting seat part provided on the frame of the paper roll cutting machine for mounting components; a second buffering part provided on the first mounting seat part for buffering the cutter part; a second mounting seat part provided on the frame of the paper roll cutting machine for mounting components; a third buffering part provided on the second mounting seat part for buffering the cutter part; wherein the second buffering part and the third buffering part are respectively arranged along the stroke interval of the cutter part for limiting the cutter stroke of the cutter part.

7. The knife bumper of claim 1, wherein, The control part comprises: a communication part provided on the frame of the paper roll cutting machine and connected to the remote control device outside for receiving and transmitting signals; a control part provided on the frame of the paper roll cutting machine and connected to the communication part and the driving part for controlling the driving part.

8. The knife bumper of claim 1, wherein, Further comprising: The blowing component is arranged on the cutter component and connected with the air source and the control component respectively, and is used for blowing the paper roll under the action of the control component.

9. The knife bumper of claim 8, wherein, The blowing component comprises: The blowing component is arranged on the cutter component and is used for blowing the paper roll; Two adapter components are arranged on the end of the blowing component respectively, and are used for connecting the blowing component with the air source; The valve body component is arranged on the pipeline connected with the air source and the adapter component, and is connected with the control component, and is used for controlling the flow of the air source and the blowing component.

10. The knife buffer device of claim 9, wherein, The blowing component further comprises: A plurality of blowing air holes are arranged on the blowing component and are arranged along the length direction of the blowing component, and the blowing air holes are arranged towards the cutting position of the cutter component.

Images