Low-noise and accurate driving mechanism for cutting wet kraft paper adhesive tape

Abstract

The utility model discloses a low-noise and accurate driving mechanism for cutting a wet kraft paper adhesive tape, which relates to the technical field of packaging equipment and comprises a driving device and a lifting device. The driving device comprises a mounting frame, a brushless motor, a speed reduction output box body and a supporting bearing, the mounting frame is in threaded connection with the bottom of the box body, an output shaft of the brushless motor is connected with the speed reduction output box body, the speed reduction output box body is fixedly mounted on the side wall of the mounting frame, and the output end of the speed reduction output box body is eccentrically and fixedly connected with the round wheel; the inner ring of the supporting bearing is fixedly connected with the round wheel through a bolt; the driving mechanism further comprises a rotating piece, and the left end of the rotating piece is rotationally connected into the box body. According to the utility model, the brushless motor is adopted as a driving source, and the problems of impact noise generated by a traditional electromagnet in an electrifying and attracting process and unstable performance caused by voltage fluctuation are avoided through the stable rotating speed and the accurate control capability of the brushless motor; the upper guide wheel is in close contact with the lower guide wheel during working through the lifting assembly, and stable output of the adhesive tape is achieved through friction force.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of packaging equipment more specifically relates to a kind of low noise and accurate drive mechanism for wet water buffalo paper adhesive tape segmentation. BACKGROUND

[0002] Wet water buffalo paper adhesive tape segmentation equipment is widely used in packaging and packaging field, and its main functions include that adhesive tape is output according to set length and cut off to meet different packaging needs.The conventional wet water buffalo paper adhesive tape segmentation machine on market mainly uses electromagnet to drive adhesive tape output, but there are the defects of large operating noise and unstable adhesive tape output length, so it is necessary to improve the drive structure.

[0003] For example, the patent (application number: 202022773862.1) discloses an automatic wet water adhesive tape machine with higher cutting precision, which has some problems in use.The second reciprocating member 51 is connected with one end of the rotating member 52, and the cooperation and separation of the upper guide wheel 21 and the lower guide wheel 22 are realized by the rising or falling of the output end of the second reciprocating member 51.The second reciprocating member 51 in the patent is an electromagnet, which has the problems of large noise and easy slipping of the upper guide wheel 21 and the lower guide wheel 22, resulting in poor stability of adhesive tape output.

[0004] In view of the technical defects of the above-mentioned patent, it is necessary to upgrade and improve the structure. CONTENT OF UTILITY MODEL

[0005] The utility model aims at: in order to solve the above-mentioned technical problem, the utility model provides a kind of low noise and accurate drive mechanism for wet water buffalo paper adhesive tape segmentation.

[0006] The utility model discloses a kind of low noise and accurate drive mechanism for wet water buffalo paper adhesive tape segmentation to achieve the above-mentioned purpose specifically using the following technical solutions:

[0007] A kind of low noise and accurate drive mechanism for wet water buffalo paper adhesive tape segmentation, including drive device and lifting device;

[0008] The drive device includes mounting bracket, brushless motor, reduction output box and support bearing, mounting bracket is connected with the bottom screw of box, brushless motor output shaft is connected with reduction output box, reduction output box is fixedly installed in mounting bracket side wall, the output end of reduction output box is fixedly connected with eccentric circular wheel, support bearing inner ring is fixed with circular wheel by bolt;

[0009] The drive mechanism further includes rotating member, and the left end of the rotating member is rotatably connected in the box, the support bearing contacts the bottom of the rotating member, and the drive device is used to drive the rotating member to rotate;

[0010] The drive mechanism further includes upper guide wheel and lower guide wheel, and the lifting device is used to drive the upper guide wheel to move in vertical direction to drive the cooperation and separation of the upper guide wheel and the lower guide wheel.

[0011] The lifting device comprises a rotating shaft, a lifting arm, a first connecting rod and a second connecting rod, the rotating shaft is rotationally connected to the box body, the lifting arm is fixedly connected to the rotating shaft, and the upper guide wheel is rotationally connected to the lifting arm;

[0012] One end of the first connecting rod is fixed to the rotating shaft, and the other end is a free end;

[0013] One end of the second connecting rod is fixedly connected to the connecting shaft, and the other end is rotationally connected to the free end;

[0014] The connecting shaft is rotationally connected to the middle part of the rotating member. The stable lifting and separation of the upper guide wheel are realized through the cooperation of the rotating shaft, the first connecting rod and the second connecting rod, and the phenomenon of belt slipping caused by the change of the position of the guide wheel in the traditional design is avoided.

[0015] The driving mechanism further comprises a workbench, the workbench is provided with a matching opening, the lower guide wheel is located below the matching opening, and the upper guide wheel is located above the matching opening. The lower guide wheel is rotationally connected to the box body and is rotated by the rotating motor. The rotating motor is installed in the box body and drives the lower guide wheel to rotate through a chain or a belt.

[0016] The driving mechanism further comprises a cutting device, the cutting device comprises a movable cutter and a tension spring, the bottom of the movable cutter is rotationally connected to the right end of the rotating member, one end of the tension spring is connected to the rotating member, and the other end of the tension spring is connected to the bottom of the box body. The workbench is provided with a belt outlet end, the movable cutter is arranged on the belt outlet end, and the movable cutter is slid up and down to cooperate with the lower cutter to cut the adhesive tape.

[0017] In the utility model, the axle of the lower guide wheel is provided with an encoder, and the length of the adhesive tape is accurately controlled through the cooperation of the encoder and a control system, so that the output length meets the preset parameters.

[0018] In the utility model, the mounting frame is provided with an original point detection inductor, and the circular wheel is provided with an original point.

[0019] In the utility model, the driving mechanism further comprises a fault button, and the fault button is arranged on the left side of the box body. The fault button is connected to the controller in the box body, the complicated problem that the cutting device needs to be manually operated to lift the cutter in the prior art is cancelled by arranging the fault button, and the intelligent maintenance function of the brushless motor and the program control is adopted, when the equipment detects the adhesive tape jamming fault, the equipment is automatically stopped, and the "cutter abnormality" warning prompt is sent through the display screen on the left side of the box body. The user only needs to control the lifting and lowering actions of the cutter through the fault button, so that the adhesive tape jamming cleaning and troubleshooting can be quickly completed. The improvement significantly reduces the difficulty of user maintenance operation, simplifies the internal structure of the equipment, reduces the number of parts and the labor assembly cost.

[0020] The box is provided with a guide column. The guide column is a needle bearing, and the guide column is arranged to guide the movable cutter, thereby assisting the movable cutter and the lower cutter to always closely cooperate.

[0021] The damping limiting rubber columns are arranged on both sides of the rotating member. When the tension spring instantaneously pulls downward, the limiting plate (not shown in the drawing) on the box collides with the damping limiting rubber columns, and the damping limiting rubber columns are arranged to slow down the impact force between them.

[0022] Working principle: the brushless motor drives the supporting bearing, the supporting bearing lifts the rotating member, so that the upper guide wheel and the lower guide wheel contact each other, at this time, the movable cutter is synchronously moved upward to lift and leave the lower cutter to form an opening, at this time, the adhesive tape is clamped under the upper guide wheel and the lower guide wheel, the lower guide wheel is driven to rotate by the rotating motor, so that the adhesive tape output action is realized.

[0023] When the encoder detects a set number of pulses, the brushless motor rotates back to the original position, at this time, the lower cutter is pulled downward under the action of the tension spring, and the adhesive tape is cut off.

[0024] The beneficial effects of the utility model are as follows:

[0025] The utility model adopts a brushless motor as a driving source, through stable rotating speed and accurate control ability, impact noise generated in the electrification attraction process of the traditional electromagnet and performance instability problem caused by voltage fluctuation are avoided.

[0026] The upper guide wheel is in close contact with the lower guide wheel during work through the lifting assembly, and the stable output of the adhesive tape is realized through friction. DRAWINGS

[0027] Figure 1 is the perspective view of the utility model Figure 1 ;

[0028] Figure 2 is the perspective view of the utility model Figure 2 ;

[0029] Figure 3 is the perspective view of the utility model Figure 3 ;

[0030] Figure 4 is the structure schematic view of the fault member arranged on the wetted water buffalo leather adhesive tape cutting equipment;

[0031] Figure 5 is the state diagram of the cooperation of the upper guide wheel and the lower guide wheel;

[0032] Figure 6 is the state diagram of the separation of the upper guide wheel and the lower guide wheel.

[0033] Mark No. : 1, mounting frame; 2, brushless motor; 3, reduction output box; 4, support bearing; 5, round wheel; 6, rotating part; 7, upper guide wheel; 8, lower guide wheel; 9, rotating shaft; 10, lifting arm; 11, first connecting rod; 12, second connecting rod; 13, connecting shaft; 14, workbench; 15, matching port; 16, rotating motor; 17, movable cutter; 18, tension spring; 19, lower cutting knife; 20, fault button; 21, guide column; 22, shock-absorbing limiting rubber column; 23, box; 24, coding wheel; 25, encoder; 26, origin detection inductor. DETAILED DESCRIPTION

[0034] To make the objects, technical solutions, and advantages of the embodiments of the present application clearer, the following will be a clear and complete description of the technical solutions in the embodiments of the present application in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings herein can be arranged and designed in various different configurations.

[0035] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the present application.

[0036] Embodiment 1

[0037] As shown in the drawings, a low-noise and precise driving mechanism for wet buffalo paper tape cutting includes a driving device and a lifting device; Figures 1 to 6

[0038] The driving device includes a mounting frame 1, a brushless motor 2, a reduction output box 3, and a support bearing 4. The mounting frame 1 is screw-connected with the bottom of the box 23. The output shaft of the brushless motor 2 is connected with the reduction output box 3. The reduction output box 3 is fixedly installed on the side wall of the mounting frame 1. The output end of the reduction output box 3 is eccentrically fixedly connected with a round wheel 5. The inner ring of the support bearing 4 is fixedly connected with the round wheel 5 through bolts.

[0039] The driving mechanism further includes a rotating part 6. The left end of the rotating part 6 is rotatably connected in the box 23. The support bearing 4 is in contact with the bottom of the rotating part 6. The driving device is used to drive the rotating part 6 to rotate.

[0040] The driving mechanism further includes an upper guide wheel 7 and a lower guide wheel 8. The lifting device is used to drive the upper guide wheel 7 to move in the vertical direction, so as to drive the upper guide wheel 7 and the lower guide wheel 8 to cooperate and separate.

[0041] ​The lifting device comprises a rotating shaft 9, a lifting arm 10, a first connecting rod 11 and a second connecting rod 12, the rotating shaft 9 is rotatably connected to the box 23, the lifting arm 10 is fixedly connected to the rotating shaft 9, and the upper guide wheel 7 is rotatably connected to the lifting arm 10;

[0042] One end of the first connecting rod 11 is fixed to the rotating shaft 9, and the other end is a free end;

[0043] One end of the second connecting rod 12 is fixedly connected to the connecting shaft 13, and the other end is rotatably connected to the free end;

[0044] As shown in the drawings, Figure 1 The connecting shaft 13 is rotatably connected to the middle part of the rotating part 6. Through the cooperation of the rotating shaft 9, the first connecting rod 11 and the second connecting rod 12, the stable lifting and separation of the upper guide wheel 7 are realized, and the phenomenon of belt slipping caused by the change of the position of the guide wheel in the traditional design is avoided.

[0045] The driving mechanism further comprises a workbench 14, the workbench 14 is provided with a matching port 15, the lower guide wheel 8 is located below the matching port 15, and the upper guide wheel 7 is located above the matching port 15. The lower guide wheel 8 is rotatably connected to the box 23, and the lower guide wheel 8 is rotated by a rotating motor 16. The rotating motor 16 is installed in the box 23 and drives the lower guide wheel 8 to rotate by a chain or a belt, which is a prior art and is not illustrated in detail in the drawings of the present application.

[0046] The driving mechanism further comprises a cutting device, the cutting device comprises a movable cutter 17 and a tension spring 18; the bottom of the movable cutter 17 is rotatably connected to the right end of the rotating part 6, one end of the tension spring 18 is connected to the rotating part 6, and the other end of the tension spring 18 is connected to the bottom of the box 23. The workbench 14 is provided with a belt outlet end, the movable cutter 17 is arranged on the belt outlet end, and the movable cutter 17 slides up and down to cooperate with a lower cutter 19 to cut the belt.

[0047] In the utility model, the axle of the lower guide wheel 8 is provided with an encoding wheel 24, the length of the belt is accurately controlled through cooperation of an encoder 25 and a control system, and it is ensured that the output length meets preset parameters.

[0048] In the utility model, the mounting frame 1 is provided with an original point detection inductor 26, and the circular wheel 5 is provided with an original point.

[0049] The utility model discloses a drive mechanism still includes fault button 20, and fault button 20 sets up on the left side of box 23. Fault button 20 is connected with the controller in box 23, and the troublesome problem of manual operation lifting cutting knife in the prior art appears to need to lift cutting knife, cancels the complex manual lifting knife mechanism through setting up fault button 20, changes through the intelligent maintenance function of brushless motor 2 and program control, when the equipment detects the tape jamming failure, will stop running automatically, and through the display screen on the left side of box 23, " cutting knife exception " warning prompt is sent. User only needs to pass through fault key, controls the rising and falling action of cutting knife, can quickly complete the cleaning and trouble shooting of tape jamming. This improvement has reduced the difficulty of user maintenance operation significantly, has simplified the internal structure of equipment simultaneously, has reduced the number of parts and manual assembly cost.

[0050] The box 23 is provided with a guide column 21. The guide column 21 is a needle roller bearing, and the movable cutter 17 is guided by the guide column 21, so that the movable cutter 17 and the lower cutter 19 are always closely matched.

[0051] The damping limiting rubber column 22 is installed on both sides of the rotating part 6. When the tension spring 18 is instantaneously pulled downward, the limiting plate (not shown in the drawing) on the box 23 collides with the damping limiting rubber column 22, and the damping limiting rubber column 22 is arranged to reduce the impact force between them.

[0052] Working principle: the brushless motor 2 drives the support bearing 4, the support bearing 4 lifts the rotating part 6, so that the upper guide wheel 7 and the lower guide wheel 8 are in contact with each other, at this time, the movable cutter 17 is synchronously moved upward to lift and leave the lower cutter 19 to form an opening, at this time, the adhesive tape is clamped under the upper guide wheel 7 and the lower guide wheel 8, and the lower guide wheel 8 is driven to rotate by the rotating motor 16, so that the adhesive tape output action is realized.

[0053] When the encoder 25 detects the set pulse number, the brushless motor 2 rotates back to the original point, at this time, the lower cutter 19 is pulled downward under the action of the tension spring 18, and the adhesive tape is cut off.

Claims

1. A low-noise and precise drive mechanism for wet buffalo paper tape cutting, comprising a drive device and a lifting device; characterized in that: the drive device comprises a mounting frame, a brushless motor, a speed reduction output box and a support bearing, the mounting frame is screw-connected with the bottom of the box, the output shaft of the brushless motor is connected with the speed reduction output box, the speed reduction output box is fixedly installed on the side wall of the mounting frame, the output end of the speed reduction output box is eccentrically fixedly connected with a round wheel, and the inner ring of the support bearing is fixedly connected with the round wheel through bolts; the drive mechanism further comprises a rotating member, the left end of the rotating member is rotatably connected in the box, the support bearing is in contact with the bottom of the rotating member, and the drive device is used for driving the rotating member to rotate; the drive mechanism further comprises an upper guide wheel and a lower guide wheel, and the lifting device is used for driving the upper guide wheel to move in the vertical direction to drive the upper guide wheel and the lower guide wheel to cooperate and separate.

2. The low noise and precise drive mechanism for wetted buffalo paper tape sectioning as claimed in claim 1 wherein, the lifting device comprises a rotating shaft, a lifting arm, a first connecting rod and a second connecting rod, the rotating shaft is rotatably connected on the box, the lifting arm is fixedly connected on the rotating shaft, and the upper guide wheel is rotatably connected on the lifting arm; one end of the first connecting rod is fixed on the rotating shaft, and the other end is a free end; one end of the second connecting rod is fixedly connected with a connecting shaft, and the other end is rotatably connected with the free end; the connecting shaft is rotatably connected in the middle part of the rotating member.

3. The low noise and precise drive mechanism for wet buffalo paper tape sectioning as claimed in claim 1 wherein, the drive mechanism further comprises a workbench, the workbench is provided with a matching port, the lower guide wheel is located below the matching port, and the upper guide wheel is located above the matching port.

4. The low noise and precise drive mechanism for wet buffalo paper tape sectioning as claimed in claim 1 wherein, the drive mechanism further comprises a cutting device, the cutting device comprises a movable knife and a tension spring; the bottom of the movable knife is rotatably connected with the right end of the rotating member, one end of the tension spring is connected with the rotating member, and the other end of the tension spring is connected with the bottom of the box.

5. The low noise and precise drive mechanism for wet buffalo paper tape sectioning as claimed in claim 1 wherein, a guide column is arranged on the box.

6. The low noise and precise drive mechanism for wet buffalo paper tape sectioning as claimed in claim 1 wherein, damping limiting rubber columns are mounted on both sides of the rotating member.

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