CN110815951B - A filter paper origami machine - Google Patents

Abstract

The invention discloses a filter paper folding machine of a filter, which comprises a first platform, wherein lateral limiting strips are arranged on two sides of filter paper on the first platform, a guide plate is arranged above the filter paper, a second platform is arranged behind the first platform, a pressing plate is arranged above the second platform, an upper folding assembly is arranged above the pressing plate, and a lower folding assembly is arranged below the second platform; go up folding assembly and include first slider, the vertical slidable mounting of first slider is in the frame, and first slider passes through the drive of slider actuating mechanism, and the swing is provided with the folding sword that the cutting edge is decurrent on the first slider, and swing axis perpendicular to filter paper moving direction just follows the horizontal direction, and folding sword is through the drive of folding sword actuating mechanism around the swing axis swing, and lower folding assembly and last folding assembly longitudinal symmetry, the cutting edge cooperation filter paper of two upper and lower folding sword folds into continuous V-arrangement in turn. The invention has the advantages that: the filter paper can not be damaged, and the product quality is better.

Description

A filter paper origami machine

technical field

The invention relates to the field of filter manufacturing, in particular to a filter paper origami machine.

Background technique

Filter paper is one of the most important components in the filter. The filtering function of the filter is mainly realized by the filter paper. In the prior art, the filter paper usually needs to be folded into a continuous V shape to enhance its filtering function. The folded filter paper is installed on the central tube and other components to form a filter element, and the filter element can be installed in the shell. The filter paper is usually folded by an origami machine. For example, the Chinese invention patent application with the application number CN201711043319.2 discloses a The origami setting device for filter paper, which meshes with the lower folding wheel through the upper folding wheel, and bends the filter paper sandwiched between the two to achieve the purpose of origami, but this origami method uses two mutual The meshing origami wheel is realized, and the meshing between the teeth may cause damage to the surface of the filter paper. In severe cases, it may penetrate the filter paper and seriously affect the quality of the filter paper.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention lies in the technical problem of poor quality after folding of the filter paper in the prior art.

The present invention solves the above-mentioned technical problems through the following technical means: a filter paper origami machine, comprising a platform 1 arranged on a frame, the filter paper to be bent passes through the upper surface of the platform 1, and the filter paper on the platform 1 Lateral limit bars are arranged on both sides, a guide plate along the moving direction of the filter paper is arranged above the filter paper, a platform 2 is arranged behind the platform 1, a pressure plate is arranged above the platform 2, an upper folding component is arranged above the pressure plate, and the lower part of the platform 2 is arranged There are lower folding components;

The upper folding assembly includes a first sliding block, the first sliding block is vertically slidably installed on the frame through a guide mechanism, the first sliding block is driven by a sliding block driving mechanism, and a swinging set of the first sliding block is provided on the first sliding block. A folding knife with a downward blade, the swing axis is perpendicular to the moving direction of the filter paper and along the horizontal direction, the folding knife is driven by the folding knife drive mechanism to swing around the swing axis, the lower folding component and the upper folding component are symmetrical up and down, with two upper and lower folds. The blade of the knife cooperates to fold the filter paper from the platform one into a continuous V shape alternately, and the folded filter paper moves backward through the space between the platform two and the pressing plate;

The folding knife driving mechanism includes a second sliding block slidably arranged on the frame, and two rollers are rotatably arranged on the second sliding block. The axis of the rollers is parallel to the swing axis of the folding knife, and the folding knife passes through the tension member Connected to the frame, the frame is also rotatably provided with a driving cam whose axis is parallel to the rollers. Under the action of the tensioning member, the folding knife is pressed on one of the rollers, the second slider slides in the direction of the driving cam, and the other The roller presses on the driving cam, the driving cam rotates, and the second sliding block moves back and forth to realize the swing of the folding knife;

It also includes a control unit, and the sliding block driving mechanism and the folding knife driving mechanism are all controlled by the control unit.

In the filter paper origami machine of the present invention, the upper folding knife is under the cooperative action of the slider drive mechanism and the folding knife driving mechanism. When the folding knife moves upward, the blade moves backward, and then the upper folding knife is pulled upward and the blade moves forward. Repeat the above steps to achieve continuous folding of the filter paper, and the folded filter paper enters between the second platform and the pressing plate. The space is moved backward, and then the filter paper can be cut according to a fixed length. Compared with the prior art, it will not damage the filter paper and the product quality is better.

Preferably, the lateral limit bar is laterally movably installed on the first platform.

Preferably, the platform 1 is provided with a first elongated hole whose length direction is perpendicular to the moving direction of the filter paper, and the lateral limiting strip is installed in the first elongated hole through bolts and nuts. The lateral limit bars are laterally movable and installed on the platform 1, and the distance between the two lateral limit bars can be adjusted according to the actual situation, so as to adapt to different widths of filter paper, and has a wide application range.

Preferably, the pressing plate can be raised and lowered on the frame, and the position of the pressing plate in the vertical direction is adjusted by the lifting mechanism.

Preferably, the lifting mechanism adopts an air cylinder or a linear motor. The height of the pressure plate is adjustable, which can adapt to the situation of different crease spacing, and has a wide range of applications.

Preferably, the guide mechanism is guided by a guide post guide sleeve mechanism or a slider guide rail mechanism.

Preferably, the slider driving mechanism includes a motor, and the motor drives the first slider to move up and down through a crank connecting rod mechanism.

Preferably, the tension member adopts a tension spring or a tension rope.

Preferably, the second sliding block is slidably installed on the rack through a guide post and guide sleeve structure, a sliding block guide rail mechanism or a sliding block sliding groove mechanism.

Preferably, a knife rest is oscillated on the first sliding block, a second long hole with a length along the vertical direction is provided on the folding knife, and a bolt passes through the second long hole to install the folding knife on the knife rest. The position of the folding knife on the knife holder is adjustable, so that it can adapt to different folding heights and has a wide range of applications.

The advantages of the present invention are:

1. In a filter paper origami machine of the present invention, the upper folding knife is under the cooperation of the slider drive mechanism and the folding knife driving mechanism, and the folding knife moves downward while the blade is backward, folds the filter paper, and then folds the filter paper. When the lower folding knife moves upward, the blade moves backward, and then the upper folding knife is pulled upward and the blade moves forward. Repeat the above steps to achieve continuous folding of the filter paper, and the folded filter paper enters the second platform and the pressure plate The space between them is moved backward, and then the filter paper can be cut according to a fixed length. Compared with the prior art, the filter paper will not be damaged, and the product quality is better.

2. The lateral limit bars are laterally movable and installed on the platform 1, and the distance between the two lateral limit bars can be adjusted according to the actual situation, so as to adapt to different widths of filter paper, and has a wide application range.

3. The height of the pressure plate can be adjusted, which can adapt to the situation of different crease spacing, and has a wide range of applications.

4. The position of the folding knife on the knife holder is adjustable, which can adapt to different folding heights and has a wide range of applications.

Description of drawings

1 is a schematic diagram of the practical application of a filter paper origami machine in an embodiment of the present invention;

Fig. 2 is the top view of the filter paper roll in the embodiment of the present invention;

3 is a schematic diagram of a longitudinal indentation mechanism in an embodiment of the present invention;

Fig. 4 is the A-direction view in Fig. 3;

5 is a schematic diagram of a transverse indentation mechanism in an embodiment of the present invention;

Fig. 6 is the sectional view of B-B in Fig. 5;

Fig. 7 is the sectional view of C-C in Fig. 5;

8 is a schematic diagram of a filter paper origami machine in an embodiment of the present invention;

Fig. 9 is the sectional view of D-D in Fig. 8;

in,

Frame-1, Bracket-11, Bracket Drive Mechanism-12, Support Wheel-13, Guide Roller-14, First Gap-111, Second Gap-112, Limiting Slip Ring-141;

Filter paper roll-2, filter paper-21, support shaft-22;

Longitudinal indentation mechanism-3, first platform-31, first lateral limit strip-32, first guide plate-33, beam-34, telescopic mechanism-35, longitudinal indentation blade-36, idler-37 , the first driving roller group-38; the transverse indentation mechanism-4, the second platform-41, the second lateral limit strip-42, the second guide plate-43, the second driving roller group-44, the third platform -45, the first transverse indentation knife-46, the sixth platform-47, the second transverse indentation knife-48, the seventh platform-49, the first guiding mechanism-461, the first lifting mechanism-462, the third guiding Mechanism-481, Second Lifting Mechanism-482;

Platform one-51, lateral limit strip-52, guide plate-53, platform two-54, pressure plate-55, upper folding assembly-56, lower folding assembly-57, lifting mechanism-551, first slider-561 , Guide mechanism-562, folding knife-563, sliding block driving mechanism-564, folding knife driving mechanism-565, knife holder-566, second sliding block-5651, tension member-5652, driving cam-5653.

Detailed ways

In order to make the purposes, 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 in conjunction with the embodiments of the present invention. Obviously, the described embodiments are part of the present invention. examples, but not all examples. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

Example 1:

As shown in Figures 8 and 9, a filter paper origami machine includes a platform one 51 arranged on the frame 1, the filter paper 21 to be folded passes through the upper surface of the platform one 51, and the two sides of the filter paper 21 on the platform one 51 A lateral limit bar 52 is provided on the side, and the function and structure of the lateral limit bar 52 and the first lateral limit bar 32 are the same. In the first elongated hole, the lateral limiting strip 52 is installed in the first elongated hole through bolts and nuts.

The top of the filter paper 21 is provided with a guide plate 53 along the moving direction of the filter paper 21, a platform two 54 is provided behind the platform one 51, a pressure plate 55 is arranged above the platform two 54, an upper folding assembly 56 is arranged above the pressure plate 55, and below the platform two 54. A lower folding assembly 57 is provided.

As shown in FIGS. 8 and 9 , the pressing plate 55 can be raised and lowered on the frame 1 , and the position of the pressing plate 55 in the vertical direction is adjusted by the lifting mechanism 551 , and the lifting mechanism 551 adopts an air cylinder or a linear motor.

As shown in FIGS. 8 and 9 , the upper folding assembly 56 includes a first sliding block 561 , and the first sliding block 561 is vertically slidably installed on the frame 1 through a guide mechanism 562 . The guide mechanism 562 adopts a guide column guide sleeve structure or The slider guide rail structure guides, the first slider 561 is driven by the slider drive mechanism 564, the slider drive mechanism 564 includes a motor, and the motor drives the first slider 561 to move through the crank link mechanism, and further, the slider drive mechanism 564 can also be driven by hydraulic cylinders, air cylinders, linear motors and other driving devices.

The first sliding block 561 is oscillated with a folding knife 563 with a downward blade. The swing axis is perpendicular to the moving direction of the filter paper 21 and along the horizontal direction. The folding knife 563 is driven by the folding knife drive mechanism 565 to swing around the swing axis, so The lower folding assembly 57 is symmetrical with the upper folding assembly 56. The blades of the upper and lower folding knives 563 cooperate to alternately fold the filter paper 21 from the platform one 51 into a continuous V shape. The folded filter paper 21 passes through the platform two 54 and the pressing plate 55. The space between moves backwards.

As shown in FIG. 8 , the folding knife driving mechanism 565 includes a second sliding block 5651 slidably arranged on the frame 1 . The slot mechanism is slidably mounted on the frame 1 .

Two rollers are rotatably arranged on the second sliding block 5651. The axis of the rollers is parallel to the swing axis of the folding knife 563. The folding knife 563 is connected to the frame 1 through a tension member 5652, and the tension member 5652 adopts a tension spring or tension force. The frame 1 is also provided with a driving cam 5653 whose axis is parallel to the roller. The driving cam 5653 is driven by a motor. Under the action of the tension member 5652, the folding knife 563 is pressed on one of the rollers, and the second sliding block The 5651 slides in the direction of the driving cam 5653, the other roller presses on the driving cam 5653, the driving cam 5653 rotates, and the second sliding block 5651 reciprocates to realize the swing of the folding knife 563.

As shown in FIG. 9 , a knife holder 566 is oscillated on the first sliding block 561. The folding knife 563 is provided with a second long hole with a length along the vertical direction. The bolt passes through the second long hole to connect the folding knife 563 is mounted to the tool holder 566.

In this embodiment, the main function of the rack 1 is to provide installation positions for the other components. The rack 1 is not limited to a specific shape, as long as the components can be installed and matched as required, and the corresponding functions can be realized. , in order to prevent the frame 1 from covering the parts that need to be clearly represented, the shape of the frame 1 is not completely drawn in the figure.

It also includes a control unit. The control unit in this embodiment adopts PLC, which is an existing technology. Those skilled in the art can program it according to actual needs to realize the control function described in this embodiment. Both the driving mechanism 564 and the folding knife driving mechanism 565 are controlled by the control unit.

Embodiment 2:

As shown in FIG. 1 , it also includes a frame 1 , a filter paper roll 2 , a longitudinal creasing mechanism 3 , and a transverse creasing mechanism 4 .

As shown in Figures 1 and 2, the filter paper roll 2 is rotatably arranged on the frame 1, and the filter paper roll 2 is provided with a longitudinal indentation mechanism 3 in sequence behind the filter paper roll 2 with the conveying direction of the filter paper 21 drawn from the filter paper roll 2 as the direction. , Transverse indentation mechanism 4 .

As shown in FIGS. 1 and 2 , the filter paper roll 2 includes a support shaft 22 on which a filter paper 21 is wound. The frame 1 is hingedly provided with brackets 11 , and the brackets 11 are located on both sides of the filter paper roll 2 . And the bracket 11 is located below the support shaft 22, the bracket 11 is provided with a first gap 111 for placing the support shaft 22, the hinge position of the bracket 11 is located behind the support shaft 22, the bracket 11 is provided by the The carriage drive mechanism 12 on the rack 1 drives and swings. The carriage drive mechanism 12 adopts an air cylinder or a hydraulic cylinder. The carriage drive mechanism 12 is controlled by the control unit. The carriage 11 is put down and the support shaft 22 of the filter paper roll 2 Both ends are placed in the first gap 111, the bracket 11 is lifted, and the support shaft 22 of the filter paper roll 2 is rolled along the first gap 111 to the top of the installation position of the support shaft 22 on the rack 1, the bracket 11 is lowered, The support shaft 22 falls on the frame 1 .

As shown in FIG. 1 , the first gap 111 is provided with a second gap 112 , the support shaft 22 rolls into the second gap 112 , the bracket 11 is put down, and the support shaft 22 just falls on the frame 1 on the support shaft 22 . at the installation location.

As shown in Figures 1 and 2, two supporting rollers 13 are rotatably arranged on the frame 1 on both sides of the filter paper roll 2, and an annular slot is provided at each end of the supporting shaft 22, and the supporting shaft 22 is placed on the supporting shaft 22. On the wheel 13, the supporting wheel 13 is located in the annular groove.

As shown in FIGS. 1 and 2 , each end of the support shaft 22 is provided with an annular groove. When the support shaft 22 is placed in the first gap 111 , the bracket 11 is located in the annular groove.

As shown in FIG. 1 , the filter paper roll 2 and the longitudinal creasing mechanism 3 are rotatably provided with guide rollers 14 . The guide rollers 14 are provided with two limit slip rings 141 . The filter paper 21 wrapped around the guide roller 14 is located between the two limit slip rings 141. The number of the guide rollers 14 is determined according to the actual situation. In this embodiment, the guide rollers Two guide rollers 14 are provided, the front guide roller 14 is on the bottom, and the rear guide roller 14 is on the top, and the guide roller 14 can be provided with a driving mechanism (such as a motor) to drive the guide roller 14 to rotate according to requirements.

As shown in FIGS. 1 , 3 and 4 , the longitudinal creasing mechanism 3 includes a first platform 31 arranged on the frame 1 , the filter paper 21 from the filter paper roll 2 passes through the upper surface of the first platform 31 , and the The two sides of the filter paper 21 are provided with first lateral limit bars 32, and the position of the first lateral limit bars 32 is adjustable along the direction perpendicular to the movement of the filter paper 21. In this embodiment, the first platform 31 is provided with The first elongated hole whose length direction is perpendicular to the moving direction of the filter paper 21, the first lateral limit bar 32 is fixed in the first elongated hole by bolts and nuts, thereby realizing horizontal adjustment to adapt to different widths of the filter paper 21, the filter paper 21 A first guide plate 33 along the moving direction of the filter paper 21 is arranged above the first guide plate 33, a beam 34 perpendicular to the moving direction of the filter paper 21 is horizontally arranged above the first guide plate 33, and a telescopic mechanism 35 that can move along the beam 34 is arranged on the beam 34, The telescopic mechanism 35 adopts a double-axis cylinder, and the movable end of the telescopic mechanism 35 is rotated with a circular longitudinal indentation blade 36. The axis of rotation of the longitudinal indentation blade 36 is perpendicular to the moving direction of the filter paper 21, and a roller 37 is rotated below the filter paper 21. , the idler 37 is driven by the first drive mechanism, and the first drive mechanism adopts a motor. When the telescopic mechanism 35 extends, it drives the longitudinal indentation blade 36 to extend, and presses the filter paper 21 on the idler 37. The creasing blade 36 and the first guide plate 33 are alternately arranged, and behind the longitudinal creasing blade 36 is a first driving roller group 38 capable of driving the filter paper 21 to move. The first driving roller group 38 includes a driving roller and a driven roller. The driving roller Driven by motor.

As shown in Figures 1, 5-7, the transverse creasing mechanism 4 includes a second platform 41 arranged on the frame 1, the filter paper 21 from the first driving roller set 38 passes through the upper surface of the second platform 41, and the second platform 41 Second lateral limit bars 42 are arranged on both sides of the filter paper 21 on the platform 41 . The second lateral limit bars 42 have the same function and structure as the first lateral limit bars 32 . 21 The second guide plate 43 in the moving direction, the second platform 41 is provided with a second driving roller group 44 behind, the second driving roller group 44 includes a driving roller and a driven roller, the driving roller is driven by a motor, and the motor drives the driving roller intermittently work to realize the intermittent feeding of the filter paper 21, a third platform 45 is arranged behind the second driving roller group 44, and a first transverse indentation knife 46 is arranged above the third platform 45 across the filter paper 21, and the first transverse indentation knife 46 The first guide mechanism 461 is vertically slidably installed on the frame 1. The first guide mechanism 461 is guided by a guide column guide sleeve structure or a slider guide rail structure. The first transverse indentation knife 46 is driven by the first lifting mechanism 462. , the first lifting mechanism 462 includes a motor, and the motor drives the first transverse indentation knife 46 to move through the crank connecting rod mechanism.

As shown in FIGS. 1 , 5-7 , a sixth platform 47 is provided behind the first transverse creasing knife 46 , the sixth platform 47 is located above the filter paper 21 , and a sixth platform 47 is provided with a third platform 47 across the filter paper 21 . Two transverse creasing knives 48, the second transverse creasing knives 48 are vertically slidably installed on the frame 1 through a third guide mechanism 481, and the third guide mechanism 481 is guided by a guide post guide sleeve structure or a slider guide rail structure. The second transverse creasing knife 48 is driven by the second lifting mechanism 482, the second lifting mechanism 482 includes a motor, and the motor drives the second transverse creasing knife 48 to move through the crank link mechanism, and the second transverse creasing knife 48 is arranged behind the second transverse creasing knife 48. There is a seventh platform 49 , and the filter paper 21 is moved to the rear through the upper surface of the seventh platform 49 .

The first transverse indentation knife 46 and the second transverse indentation knife 48 alternately press dents on the upper and lower surfaces of the filter paper 21, and the dents on the upper surface of the filter paper 21 are folded into a V shape by the folding knife 563 above, and the filter paper 21 The indentation on the lower surface is folded into an inverted V shape by the folding knife 563 below.

The telescopic mechanism 35 , the first driving roller group 38 , the second driving roller group 44 , and the first lifting mechanism 462 are all controlled by the control unit.

The filter paper 21 after being indented by the transverse creasing mechanism 4 then enters the filter paper folding machine for folding.

working principle:

As shown in FIG. 1 , in practical application of a filter paper origami machine of the present invention, firstly, the filter paper 21 is moved backward under the driving of the first driving roller group 38 , and the first lateral limit bar 32 is used for In order to prevent the filter paper 21 from shifting to the side, the first guide plate 33 prevents the filter paper 21 from arching during the movement, so as to ensure normal movement. The longitudinal traces in the moving direction of the filter paper 21 are convenient for subsequent cutting of the folded filter paper 21. Then, under the action of the second driving roller group 44, the filter paper 21 continues to move backward, and the first transverse creasing knives 46 are equally spaced on the filter paper 21. Then, under the cooperation of the slider drive mechanism 564 and the folding knife drive mechanism 565, the upper folding knife 563 folds the filter paper 21 while the folding knife 563 is downward and the blade is backward. When the lower folding knife 563 moves upward, the blade moves backward, and then the upper folding knife 563 is pulled upward, and the blade moves forward, repeating the above steps, the continuous folding of the filter paper 21 can be realized, and the folded filter paper 21 enters The space between the platform 2 54 and the pressing plate 55 is moved backward, and then the filter paper 21 can be cut off according to a fixed length. Compared with the prior art, the paper will be folded along the traces pressed by the transverse creasing mechanism 4 during folding, and then the folded The location distribution is relatively uniform, and the product quality is better.

The above embodiments are only used to illustrate the technical solutions of the present invention, but not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: The recorded technical solutions are modified, or some technical features thereof are equivalently replaced; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (9)

1. A filter paper folder is characterized in that: the folding device comprises a first platform (51) arranged on a rack (1), filter paper (21) to be bent passes through the upper surface of the first platform (51), lateral limiting strips (52) are arranged on two sides of the filter paper (21) on the first platform (51), a guide plate (53) along the moving direction of the filter paper (21) is arranged above the filter paper (21), a second platform (54) is arranged behind the first platform (51), a pressing plate (55) is arranged above the second platform (54), an upper folding assembly (56) is arranged above the pressing plate (55), and a lower folding assembly (57) is arranged below the second platform (54);

the upper folding assembly (56) comprises a first slide block (561), the first slide block (561) is vertically installed on the rack (1) in a sliding mode through a guide mechanism (562), the first slide block (561) is driven through a slide block driving mechanism (564), a folding knife (563) with a downward knife edge is arranged on the first slide block (561) in a swinging mode, the swinging axis is perpendicular to the moving direction of the filter paper (21) and is in the horizontal direction, the folding knife (563) is driven by a folding knife driving mechanism (565) to swing around the swinging axis, the lower folding assembly (57) and the upper folding assembly (56) are in vertical symmetry, the knife edges of the upper folding knife and the lower folding knife (563) are matched to alternately fold the filter paper (21) from the first platform (51) into a continuous V shape, and the folded filter paper (21) moves backwards through a space between the second platform (54) and the pressing plate (55);

the folding knife driving mechanism (565) comprises a second sliding block (5651) which is arranged on the machine frame (1) in a sliding way, two rollers are arranged on the second sliding block (5651) in a rotating way, the axes of the rollers are parallel to the swinging axis of the folding knife (563), the folding knife (563) is connected to the machine frame (1) through a tensioning piece (5652), a driving cam (5653) with the axis parallel to the rollers is further arranged on the machine frame (1) in a rotating way, the folding knife (563) is pressed on one of the rollers under the action of the tensioning piece (5652), the second sliding block (5651) slides towards the driving cam (5653), the other roller is pressed on the driving cam (5653), the driving cam (5653) rotates, and the second sliding block (5651) moves in a reciprocating way to realize the swinging of the folding knife (563);

the folding knife device is characterized by further comprising a control unit, wherein the sliding block driving mechanism (564) and the folding knife driving mechanism (565) are controlled by the control unit;

the slide block driving mechanism (564) comprises a motor, and the motor drives the first slide block (561) to move up and down through a crank link mechanism.

2. A filter paper folder according to claim 1 wherein: the lateral limiting strip (52) is laterally movably arranged on the first platform (51).

3. A filter paper folder according to claim 2 wherein: the first platform (51) is provided with a first long hole with the length direction perpendicular to the moving direction of the filter paper (21), and the lateral limiting strip (52) is installed in the first long hole through bolts and nuts.

4. A filter paper folder according to claim 1 wherein: the pressing plate (55) is arranged on the rack (1) in a lifting mode, and the position of the pressing plate (55) in the vertical direction is adjusted through the lifting mechanism (551).

5. The filter paper folder of claim 4, wherein: the lifting mechanism (551) adopts an air cylinder or a linear motor.

6. A filter paper folder according to claim 1 wherein: the guide mechanism (562) adopts a guide post and guide sleeve mechanism or a slide block guide rail mechanism for guiding.

7. A filter paper folder according to claim 1 wherein: the tension piece (5652) adopts a tension spring or a tension rope.

8. A filter paper folder according to claim 1 wherein: the second sliding block (5651) is slidably mounted on the rack (1) through a guide post and guide sleeve structure, a sliding block and guide rail mechanism or a sliding block and sliding groove mechanism.

9. A filter paper folder according to claim 1 wherein: the first sliding block (561) is provided with a knife rest (566) in a swinging mode, the folding knife (563) is provided with a second long hole with the length along the vertical direction, and a bolt penetrates through the second long hole to enable the folding knife (563) to be installed on the knife rest (566).

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