CN215848342U

CN215848342U - Fixed-length cutting device for sealing strip

Info

Publication number: CN215848342U
Application number: CN202121368681.9U
Authority: CN
Inventors: 曲焕; 初晓燕
Original assignee: Qingdao Shuofeng Precision Machinery Co ltd
Current assignee: Qingdao Shuofeng Precision Machinery Co ltd
Priority date: 2021-06-18
Filing date: 2021-06-18
Publication date: 2022-02-18
Anticipated expiration: 2031-06-18

Abstract

The utility model provides a strip of paper used for sealing fixed length cutting device, relates to the automated production technical field of strip of paper used for sealing for carry out the automation to the strip of paper used for sealing and cut work. A seal fixed-length cutting device comprises a conveyor and a cutter, wherein the cutter is arranged at the rear end of the conveyor; the conveyor comprises an upper conveyor, a lower conveyor and a connecting rod group, the upper conveyor comprises an upper conveying belt, the lower conveyor comprises a lower conveying belt, the rotating directions of the upper conveying belt and the lower conveying belt are opposite, the lower side of the outer ring of the upper conveying belt is opposite to the upper side of the outer ring of the lower conveying belt, and a parallelogram mechanism is formed among the connecting rod group, the upper conveyor and the lower conveyor; the conveying speed of the upper conveying belt is the same as that of the lower conveying belt. The sealing strip cutting machine has the beneficial effect that the sealing strip is beneficial to fixed-length cutting work.

Description

Fixed-length cutting device for sealing strip

Technical Field

The utility model relates to the technical field of automatic production of seals, in particular to a seal fixed-length cutting device.

Background

A seal, which is a kind of sealing member, refers to a device that performs a sealing function in an apparatus or device, such as a seal located on a vehicle door, and the seal is used to seal between the vehicle door and a vehicle body after the vehicle door is closed, so as to perform a waterproof function. The sealing strip is favorable for being positioned on the refrigerator door, and the sealing strip has the effect that when the refrigerator door is closed, sealing is formed between the refrigerator door and the refrigerator body, so that the heat insulation performance of the refrigerator is ensured. In addition to the above list, seals have wide application in a variety of devices.

In the production process of the seal strip, the product needs to be cut, and the size requirement of use is further met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a seal fixed-length cutting device which is used for automatically cutting a seal.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

a seal fixed-length cutting device comprises a conveyor and a cutter, wherein the cutter is arranged at the rear end of the conveyor;

the conveyor comprises an upper conveyor, a lower conveyor and a connecting rod group, the upper conveyor comprises an upper conveying belt, the lower conveyor comprises a lower conveying belt, the rotating directions of the upper conveying belt and the lower conveying belt are opposite, and the lower side of the outer ring of the upper conveying belt is opposite to the upper side of the outer ring of the lower conveying belt;

the connecting rod group is composed of two connecting rods, the upper end of each connecting rod is respectively and rotatably connected to the upper conveyor, the lower end of each connecting rod is respectively and rotatably connected to the lower conveyor, and a parallelogram mechanism is formed among the connecting rod group, the upper conveyor and the lower conveyor;

the conveying speed of the upper conveying belt is the same as that of the lower conveying belt.

Furthermore, the cutter comprises a cutter frame, an air cylinder and a cutter, wherein the air cylinder is connected to the cutter frame, the cutter is connected to a working shaft of the air cylinder, and the movement direction of the working shaft of the air cylinder is in the vertical direction.

Furthermore, the cutter frame is connected to the material guiding platform, the material guiding platform extends to the lower conveyor, a knife edge groove and a rear material guiding device are arranged on the material guiding platform, the knife edge groove is located below the cutter, the rear material guiding device is located on the front side of the cutter frame, the rear material guiding device comprises a rear material guiding channel, and the front side of the rear material guiding channel is wide and the rear side of the rear material guiding channel is narrow.

Furthermore, a first front guide plate and a second rear guide plate are connected to the lower conveyor, the first front guide plate and the second rear guide plate are arranged oppositely, a front guide channel is formed between the first front guide plate and the second rear guide plate, and the front side of the front guide channel is wide and the rear side of the front guide channel is narrow.

Further, an interval adjuster is arranged between the upper conveyor and the lower conveyor and comprises a nut piece, a lead screw and a supporting and lifting seat, the nut piece is fixedly connected onto the upper conveyor, the supporting and lifting seat is fixedly connected onto the lower conveyor, the lower end of the lead screw is abutted against the supporting and lifting seat, and the lead screw is matched with the nut piece.

Furthermore, a hand wheel is connected to the screw rod.

Further, the upper conveyor comprises an upper frame and a first belt wheel, the lower conveyor comprises a lower frame and a second belt wheel, the first belt wheel is used for driving the upper conveying belt, and the second belt wheel is used for driving the lower conveying belt;

the first belt wheel is fixedly connected to an upper driving shaft, the upper driving shaft is rotatably connected to an upper rack, a first gear is fixedly connected to the upper driving shaft, an intermediate shaft is rotatably connected to the upper rack, a second gear is fixedly connected to the intermediate shaft, and a third belt wheel is fixedly connected to the intermediate shaft;

the second belt wheel is fixedly connected to a lower driving shaft, the lower driving shaft is rotatably connected to the lower rack, the lower driving shaft is fixedly connected with a fourth belt wheel, and a transmission belt is arranged between the third belt wheel and the fourth belt wheel.

Further, the upper conveyor comprises an upper frame and a first belt wheel, and the lower conveyor comprises a lower frame and a second belt wheel;

the first belt wheel is fixedly connected to an upper driving shaft, the upper driving shaft is rotatably connected to an upper machine frame, the upper driving shaft is fixedly connected with a third belt wheel, and the lower machine frame is rotatably connected with an intermediate shaft. The intermediate shaft is fixedly connected with a fourth belt wheel and a first gear;

a transmission belt is connected between the third belt wheel and the fourth belt wheel, the second belt wheel is fixedly connected to a lower driving shaft, the lower driving shaft is rotatably connected to the lower rack, a second gear is connected to the lower driving shaft, and the first gear is meshed with the second gear.

The beneficial effects are that:

the cutter is used for cutting the seal, and the conveyor is used for stably conveying the seal. The utility model conveys the seal through the conveyor, further conveys the seal to the cutter, and cuts the seal at the position of the cutter. The conveyor conveys the seal at a constant speed, and then cuts the seal through the cutter, so that the seal is cut into a fixed length. The conveying principle of the conveyor for the seal strip is that the seal strip is arranged on the upper side of the lower conveying belt, the seal strip is extruded and conveyed through the upper conveying belt, and therefore the seal strip is beneficial to keeping a linear conveying state, and the cutting length of the seal strip is beneficial to being accurately controlled.

Drawings

FIG. 1 is a schematic diagram of a first embodiment of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a schematic view of a second embodiment of the present invention;

in the figure: the automatic feeding device comprises an upper conveyor 1, an upper conveyor belt 11, an upper frame 12, a first belt wheel 13, an upper driving shaft 14, a lower conveyor 2, a lower conveyor belt 21, a lower frame 22, a second belt wheel 23, a lower driving shaft 24, a connecting rod 3, a cutter frame 4, an air cylinder 41, a cutter 42, a material guide table 43, a blade groove 44, a material guide device 45, a material guide channel 46, a first front material guide plate 5, a second rear material guide plate 51, a material guide channel 52, a nut member 6, a lead screw 61, a lifting seat 62, a hand wheel 63, a first gear 7, an intermediate shaft 71, a second gear 72, a third belt wheel 73, a fourth belt wheel 74, a transmission belt 75 and a driving motor 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

As shown in fig. 1 to 3, a seal cut-to-length cutting apparatus includes a conveyor and a cutter provided at a rear end of the conveyor. The conveyor comprises an upper conveyor 1, a lower conveyor 2 and a linkage. The upper conveyor 1 comprises an upper conveyor belt 11 and the lower conveyor 2 comprises a lower conveyor belt 21. The rotation directions of the upper conveyor belt 11 and the lower conveyor belt 21 are opposite, and the lower side of the outer ring of the upper conveyor belt 11 is opposite to the upper side of the outer ring of the lower conveyor belt 21. The linkage group is composed of two connecting rods 3, the upper end of each connecting rod 3 is respectively and rotatably connected to the upper conveyor 1, the lower end of each connecting rod 3 is respectively and rotatably connected to the lower conveyor 2, and a parallelogram mechanism is formed among the linkage group, the upper conveyor 1 and the lower conveyor 2. A group of connecting rod groups is respectively arranged at the front side and the rear side of the conveyor. The conveying speed of the upper conveyor belt 11 is the same as the conveying speed of the lower conveyor belt 21. The cutter is used for cutting the seal, and the conveyor is used for stably conveying the seal. The utility model conveys the seal through the conveyor, further conveys the seal to the cutter, and cuts the seal at the position of the cutter. The conveyor conveys the seal at a constant speed, and then cuts the seal through the cutter, so that the seal is cut into a fixed length. The principle of conveying the seal by the conveyor is that the seal is placed on the upper side of the lower conveying belt 21, the seal is extruded and conveyed by the upper conveying belt 11, so that the seal is kept in a linear conveying state, and the cutting length of the seal is accurately controlled.

As shown in fig. 1 to 3, the cutter includes a cutter holder 4, a cylinder 41, and a cutter 42. The air cylinder 41 is connected to the cutter holder 4, the cutter 42 is connected to the operating shaft of the air cylinder 41, and the moving direction of the operating shaft of the air cylinder 41 is the vertical direction. The lifting work of the cutter 42 is controlled by the air cylinder 41, so that the cutting work of the seal is controlled, and the seal can be cut off quickly and accurately.

As shown in fig. 1 to 3, the direction from the conveyor to the cutter is defined as the direction from "front" to "rear". The cutter frame 4 is connected on a material guiding platform 43, the material guiding platform 43 extends to the lower conveyor 2, and a cutter edge groove 44 and a rear material guiding device 45 are arranged on the material guiding platform 43. The blade groove 44 is located below the cutter 42, and the blade groove 44 is used for being matched with the blade of the cutter 42, so that the seal can be completely cut off in the seal cutting process, and the seal cutting quality and the seal cutting effect can be improved. The rear material guiding device 45 is positioned at the front side of the cutter frame 4, the rear material guiding device 45 comprises a rear material guiding channel 46, and the front side of the rear material guiding channel 46 is wide and the rear side is narrow. Between the conveyor and the cutter, the seal is guided through the rear material pouring and guiding channel 46, so that the seal can be conveyed to the cutter along the length direction of the seal, and the accuracy of the cutting work is guaranteed.

As shown in fig. 1 to 3, a first front guide plate 5 and a second rear guide plate 51 are connected to the lower conveyor 2, the first front guide plate 5 and the second rear guide plate 51 are disposed opposite to each other, a front guide channel 52 is formed between the first front guide plate 5 and the second rear guide plate 51, and the front guide channel 52 is wide at the front side and narrow at the rear side. The front material guiding channel 52 is used for guiding the strip seal before entering the conveyor to perform straightening work, so that the strip seal is conveyed along the length direction of the strip seal, the accuracy of conveying length is facilitated, the accuracy of a cutting position is also facilitated to be guaranteed, the accuracy of cutting work is further facilitated to be improved, and the quality of strip seal products is facilitated to be guaranteed.

As shown in fig. 1 to 3, a space adjuster is provided between the upper conveyor 1 and the lower conveyor 2. The spacing adjuster comprises a nut piece 6, a screw rod 61 and a lifting seat 62, wherein the nut piece 6 is fixedly connected to the upper conveyor 1, the lifting seat 62 is fixedly connected to the lower conveyor 2, the lower end of the screw rod 61 abuts against the lifting seat 62, and the screw rod 61 is matched with the nut piece 6. The distance adjuster is used for adjusting the distance between the upper conveyor 1 and the lower conveyor 2, and further is beneficial to controlling the clamping force of the upper conveyor 1 and the lower conveyor 2 on the seal strips, namely the seal strips are protected while being conveyed smoothly, and the conveyor is also beneficial to conveying work of the seal strips with different thicknesses. The mode of adjusting the interval between the upper conveyor 1 and the lower conveyor 2 through the interval adjuster is that the lead screw 61 is rotated, and then the distance between the lower end of the lead screw 61 and the nut member 6 is adjusted, and then the upper conveyor and the lower conveyor swing with the linkage as the swing arm, and then the interval between the upper conveyor 1 and the lower conveyor 2 is adjusted. The lead screw 61 is connected with a hand wheel 63, and the hand wheel 63 is beneficial to rotating the lead screw.

As shown in fig. 1 to 3, the upper conveyor 1 includes an upper frame 12 and a first pulley 13, and the first pulley 13 is used to drive the upper conveyor belt 11, for example, to tension the upper conveyor belt 11 between the first pulley and one driven pulley. The lower conveyor 2 comprises a lower frame 22 and a second pulley 23, the second pulley 23 being used to drive the lower conveyor belt 21, e.g. to tension the lower conveyor belt over the second pulley 23 and another driven pulley. The first belt pulley 13 is fixedly connected to an upper driving shaft 14, the upper driving shaft 14 is rotatably connected to an upper rack 12, the upper driving shaft 14 is fixedly connected with a first gear 7, the upper rack 12 is rotatably connected with an intermediate shaft 71, the intermediate shaft 71 is fixedly connected with a second gear 72, and the intermediate shaft 71 is fixedly connected with a third belt pulley 73. The second belt wheel 23 is fixedly connected on the lower driving shaft 24, the lower driving shaft 24 is rotatably connected on the lower frame 22, the lower driving shaft 24 is fixedly connected with a fourth belt wheel 74, and a transmission belt 75 is arranged between the third belt wheel 73 and the fourth belt wheel 74. The transmission connection mode between the upper driving shaft 14 and the lower driving shaft 24 is beneficial to realizing the simultaneous driving work of the upper conveyor 1 and the lower conveyor 2 through one driving motor 8, is beneficial to saving the equipment cost, and is also beneficial to reducing the control cost, namely, the required transmission ratio is realized by selecting and assembling transmission parts with proper types, namely, the movement directions of the upper conveying belt 11 and the lower conveying belt 21 are opposite, and the conveying speeds are the same and the rotating mode is realized. The opposite movement direction of the upper conveyor belt 11 and the lower conveyor belt 21 means that one of the upper conveyor belt 11 and the lower conveyor belt 21 rotates circularly in a clockwise direction and the other rotates circularly in a counterclockwise direction. A servo motor is used as the driving motor 8, so that the conveying speed can be accurately controlled. The working shaft of the driving motor 8 is connected with the upper driving shaft 14 through a shaft key. The driving principle, namely the transmission process, is as follows: the driving motor 8 drives the upper driving shaft 14 to rotate, the upper driving shaft 14 drives the upper conveying belt 11 and the first gear 7 to rotate, the first gear 7 drives the second gear 72 to rotate, the second gear 72 drives the middle shaft 71 to rotate, the middle shaft 71 drives the third belt wheel 73 to rotate, the third belt wheel 73 drives the conveying belt 75 to rotate, the conveying belt 75 drives the fourth belt wheel 74 to rotate, the fourth belt wheel 74 drives the lower driving shaft 24 to rotate, the lower driving shaft 24 drives the second belt wheel 23 to rotate, and the second belt wheel 23 drives the lower conveying belt 21 to rotate. The change of the rotation direction is realized by the cooperation between the first gear and the second gear.

The second embodiment:

as shown in fig. 4, the upper conveyor 1 includes an upper frame 12 and a first pulley, and the lower conveyor 2 includes a lower frame 22 and a second pulley. The first belt pulley is fixedly connected to the upper driving shaft 14, the upper driving shaft 14 is rotatably connected to the upper frame 12, the upper driving shaft 14 is fixedly connected to the third belt pulley 73, and the lower frame 22 is rotatably connected to the intermediate shaft 71. The intermediate shaft 71 is fixedly connected with a fourth belt wheel 74 and a first gear 7, a transmission belt 75 is connected between the third belt wheel 73 and the fourth belt wheel 74, the second belt wheel is fixedly connected to the lower driving shaft 24, and the lower driving shaft 24 is rotatably connected to the lower frame 22. The lower driving shaft is connected with a second gear 72, and the first gear 7 is meshed with the second gear 72; do benefit to and can realize carrying drive work when going up conveyer 1 and conveyer down through a driving motor, and then do benefit to reduction equipment cost, also do benefit to the control degree of difficulty that reduces equipment. The operating shaft of the driving motor is connected to any one of the upper drive shaft 14, the lower drive shaft 24, and the intermediate shaft 71 by a shaft key, thereby driving the conveyor.

Claims

1. A seal fixed-length cutting device is characterized by comprising a conveyor and a cutter, wherein the cutter is arranged at the rear end of the conveyor;

2. A seal cut-to-length device according to claim 1, wherein the cutter comprises a cutter holder, a cylinder and a cutter, the cylinder is connected to the cutter holder, the cutter is connected to a working shaft of the cylinder, and the working shaft of the cylinder moves in an up-and-down direction.

3. The seal cut-to-length device according to claim 2, wherein the cutter frame is connected to a guide table, the guide table extends to the lower conveyor, the guide table is provided with a blade groove and a rear guide device, the blade groove is located below the cutter, the rear guide device is located on the front side of the cutter frame, the rear guide device comprises a rear guide channel, and the front side of the rear guide channel is wide and the rear side of the rear guide channel is narrow.

4. The seal cut-to-length device according to claim 1, wherein the lower conveyor is connected to a first front guide plate and a second rear guide plate, the first front guide plate and the second rear guide plate are oppositely disposed, a front guide channel is formed between the first front guide plate and the second rear guide plate, and the front side of the front guide channel is wide and the rear side of the front guide channel is narrow.

5. A seal cut-to-length apparatus according to claim 1, wherein a spacing adjuster is provided between the upper conveyor and the lower conveyor, the spacing adjuster includes a nut member, a lead screw and a lifting seat, the nut member is fixedly connected to the upper conveyor, the lifting seat is fixedly connected to the lower conveyor, a lower end of the lead screw abuts against the lifting seat, and the lead screw is engaged with the nut member.

6. The seal cut-to-length device of claim 5, wherein a hand wheel is connected to the lead screw.

7. A seal cut-to-length device according to claim 1, wherein the upper conveyor includes an upper frame and a first pulley, and the lower conveyor includes a lower frame and a second pulley, the first pulley being adapted to drive the upper belt and the second pulley being adapted to drive the lower belt;

8. A seal cut-to-length device according to claim 1, wherein the upper conveyor includes an upper frame and a first pulley, and the lower conveyor includes a lower frame and a second pulley, the first pulley being adapted to drive the upper belt and the second pulley being adapted to drive the lower belt;