Filter element forming device

Abstract

The invention provides a filter element forming device which comprises a filter paper folding and pressing mechanism, the filter paper folding and pressing mechanism comprises a first driving assembly and a folding and pressing assembly, the folding and pressing assembly comprises a first folding and pressing piece and a second folding and pressing piece, and the first folding and pressing piece is connected with one end of the first driving assembly; the first folding and pressing part comprises a plurality of first folding and pressing fins, a first gap is formed between any two adjacent first folding and pressing fins, the second folding and pressing part comprises a plurality of second folding and pressing fins, a second gap is formed between any two adjacent second folding and pressing fins, and each first gap is opposite to one second folding and pressing fin in position; each second gap is opposite to the position of one first folding and pressing fin; when the first driving assembly drives the first folding and pressing piece to move in the direction close to the second folding and pressing piece and extrudes the filter paper borne on the second folding and pressing piece into the second gap, the filter element is obtained. According to the filter element forming device, automatic folding and pressing forming of the filter paper can be achieved, and filter element scattering or shape deformation caused by manual operation is avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of filter core processing, in particular to a filter core forming device. BACKGROUND

[0002] In the production process of filter cores, the folding and pressing forming of filter paper is a core link, which directly affects the quality and efficiency of subsequent processes such as edge strip pasting. The existing technology usually adopts a semi-automatic device to preliminarily push and bend the filter paper to form a basic corrugated structure, and then manual operation is required to complete cutting to separate individual filter core units. After cutting, the operator must manually transfer the filter core from the working area to the tray of the filter core loading position in order to carry out edge strip pasting processing. However, due to the soft and elastic nature of filter paper, the pre-folding and pressing formed filter core is easily disturbed by external forces and scattered or deformed in shape during manual transfer. When the operator places the filter core into the loading position tray and positions it, it often needs to be repeatedly manually adjusted and re-bent to restore its predetermined shape, which not only significantly increases the labor intensity and operation time of the workers, but also leads to discontinuous production rhythm, reduced efficiency, and may introduce positioning errors due to inconsistent manual operation, affecting the final assembly accuracy and product consistency of the filter core. In addition, frequent manual intervention also increases the uncertainty in the production process, making it difficult for the filter core forming process to meet the stability and reliability requirements of large-scale production.

[0003] In view of the above problems, the existing technology needs to be improved. SUMMARY

[0004] The purpose of the present application is to provide a filter core forming device which can realize automatic folding and pressing forming of filter paper, avoid the scattering or shape deformation of filter core caused by manual operation, and improve the production efficiency and product consistency.

[0005] In a first aspect, the present application provides a filter core forming device for folding filter paper into a filter core with a preset shape, the filter core forming device comprising a filter paper folding mechanism, the filter paper folding mechanism comprising a first driving assembly and a folding assembly, the folding assembly comprising a first folding piece and a second folding piece, the first folding piece being connected to one end of the first driving assembly, the first folding piece and the second folding piece being oppositely arranged in a first direction; the first folding piece comprising a plurality of first folding fins arranged in a second direction at intervals, any two adjacent first folding fins having a first gap therebetween, the second folding piece comprising a plurality of second folding fins arranged in the second direction at intervals, any two adjacent second folding fins having a second gap therebetween, each first gap being opposite to a position of one second folding fin, and each second gap being opposite to a position of one first folding fin; the second direction being perpendicular to the first direction; wherein the first driving assembly is configured to drive the first folding piece to reciprocate in the first direction, and when the first driving assembly drives the first folding piece to move towards the second folding piece and presses the filter paper carried on the second folding piece into the second gap, a filter core is obtained.

[0006] In some embodiments of the present application, the plurality of first folding fins are arranged in parallel at intervals in the second direction, each first folding fin extends in a third direction, and the distance between any two adjacent first folding fins is equal; the plurality of second folding fins are arranged in parallel at intervals in the second direction, each second folding fin extends in the third direction, and the distance between any two adjacent second folding fins is equal to the distance between any two adjacent first folding fins; wherein the third direction intersects the second direction and is perpendicular to the first direction.

[0007] In some embodiments of the present application, the size of the first folding fin in the first direction and the second direction is the same as the size of the second folding fin in the first direction and the second direction; the size of the first gap in the second direction is the same as the size of the second gap in the second direction.

[0008] In some embodiments of the present application, the number of second folding fins is 2 less than the number of first folding fins, and the number of second gaps is 1 less than the number of first gaps.

[0009] In some embodiments of the present application, the end of the first folding fin towards the second folding piece is provided with a first arc transition part, and the end of the second folding fin towards the first folding piece is provided with a second arc transition part.

[0010] In some embodiments of the present application, the first driving assembly comprises a first driving piece and a first transmission piece, the first driving piece being connected to one end of the first transmission piece, the other end of the first transmission piece being connected to the first folding piece; wherein the first driving piece is configured to drive the first transmission piece to reciprocate in the first direction, and the first transmission piece is configured to drive the first folding piece to reciprocate in the first direction.

[0011] In some embodiments of the present application, the first driving assembly further comprises a first guide located at least one side of the first transmission member and connected with an end of the first transmission member away from the first driving member; and a first guide sleeve sleeved on the first guide and connected with the first driving member; wherein the first driving member drives the first transmission member to move, and the first transmission member drives the first guide to move synchronously along the first direction relative to the first guide sleeve.

[0012] In some embodiments of the present application, the filter paper folding and pressing mechanism further comprises a pressure sensor arranged between the first folding and pressing member and the first transmission member, or arranged between the second folding and pressing member and the rack; the rack is connected with the second folding and pressing member and used for supporting the second folding and pressing member; wherein the pressure sensor is electrically connected with the first driving assembly, and when the pressing pressure detected by the pressure sensor reaches a preset threshold, the first driving assembly stops driving the first folding and pressing member to move downward.

[0013] In some embodiments of the present application, the filter core forming device further comprises a filter core transfer mechanism and a filter core feeding mechanism, the filter core transfer mechanism is located at one side of the filter paper folding and pressing mechanism, and the filter core feeding mechanism is located at one side of the filter paper folding and pressing mechanism and comprises a positioning tray; wherein the filter core transfer mechanism is used for transferring the filter core from the second folding and pressing member to the positioning tray.

[0014] In some embodiments of the present application, the filter core transfer mechanism comprises a second driving assembly and a pushing member, the pushing member is connected with the second driving assembly; the pushing member comprises a plurality of pushing fins arranged in parallel and spaced apart along the second direction, and any two adjacent pushing fins have a third gap therebetween, each third gap is opposite to a position of one second folding and pressing fin, and each second gap is opposite to a position of one pushing fin; wherein the second driving assembly is used for driving the pushing member to reciprocate along the third direction, when the second driving assembly drives the pushing member to move towards the second folding and pressing member, the pushing member pushes the filter core until the filter core is separated from the second folding and pressing member, and the filter core is transferred to a specified position; the third direction intersects with the second direction and is perpendicular to the first direction.

[0015] In some embodiments of the present application, the plurality of pushing fins are arranged in parallel and spaced apart along the second direction, each pushing fin extends along the third direction, and the distance between any two adjacent pushing fins is equal; and / or the number of second folding and pressing fins is less than the number of pushing fins by 2, and the number of second gaps is less than the number of third gaps by 1.

[0016] In some embodiments of the present application, the second driving assembly comprises a second driving member and a second transmission member, the second driving member is connected with one end of the second transmission member, and the other end of the second transmission member is connected with the pushing member; wherein the second driving member is used for driving the second transmission member to reciprocate along the third direction, and the second transmission member is used for driving the pushing member to reciprocate along the third direction.

[0017] In some embodiments of the present application, the second driving assembly further comprises a second guide and a second guide sleeve, the second guide is located at least one side of the second transmission member and the second driving member, and is connected with the end of the second transmission member away from the second driving member; the second guide sleeve is sleeved on the second guide and is connected with the second driving member; wherein the second driving member drives the second transmission member to move, and the second transmission member drives the second guide to move synchronously along the third direction relative to the second guide sleeve.

[0018] In some embodiments of the present application, the positioning tray comprises a plurality of positioning fins arranged at intervals along the second direction, and each of the adjacent two positioning fins has a fourth gap, each of the fourth gaps is opposite to a second folding and pressing fin position, and each of the positioning fins is opposite to a second folding and pressing fin position; wherein the pushing member pushes the filter element to move from the second gap of the second folding and pressing member to the fourth gap of the positioning tray, and the wave crest of the filter element covers the positioning fin.

[0019] The present application provides a filter element forming device, which is used for folding and pressing filter paper into a filter element with a preset shape. The filter element forming device comprises a filter paper folding and pressing mechanism, which comprises a first driving assembly and a folding and pressing assembly. The folding and pressing assembly comprises a first folding and pressing member and a second folding and pressing member. The first folding and pressing member is connected with one end of the first driving assembly, and the first folding and pressing member and the second folding and pressing member are arranged opposite to each other in the first direction. The first folding and pressing member comprises a plurality of first folding and pressing fins arranged at intervals along the second direction, and each of the adjacent two first folding and pressing fins has a first gap. The second folding and pressing member comprises a plurality of second folding and pressing fins arranged at intervals along the second direction, and each of the adjacent two second folding and pressing fins has a second gap. Each of the first gaps is opposite to a second folding and pressing fin position, and each of the second gaps is opposite to a first folding and pressing fin position. The second direction is perpendicular to the first direction. The first driving assembly is used for driving the first folding and pressing member to move back and forth along the first direction. When the first driving assembly drives the first folding and pressing member to move in the direction close to the second folding and pressing member and presses the filter paper carried on the second folding and pressing member into the second gap, the filter element is obtained. The folding and pressing forming process of the filter paper is automatically completed by the filter paper folding and pressing mechanism, and the transfer operation of the filter element does not need manual intervention, thereby effectively avoiding the problems of the filter element being scattered or deformed in shape due to external interference in the forming and transfer processes. The filter paper folding and pressing forming can be realized automatically, the deformation of the filter element caused by manual operation is avoided, and the production efficiency and product consistency are improved. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creating laborious work.

[0021] Figure 1 A perspective view of a filter core forming device according to an embodiment of the present application.

[0022] Figure 2 A perspective view of a filter core forming device according to an embodiment of the present application. Figure 1 A perspective view of a filter core forming device according to an embodiment of the present application.

[0023] Figure 3 A perspective view of a filter core forming device according to an embodiment of the present application. Figure 1 A perspective view of a filter paper folding and pressing mechanism of a filter core forming device according to an embodiment of the present application.

[0024] Figure 4 A perspective view of a filter paper folding and pressing mechanism of a filter core forming device according to an embodiment of the present application. Figure 3 A side view of a filter paper folding and pressing mechanism according to an embodiment of the present application.

[0025] Figure 5 A perspective view of a filter paper folding and pressing mechanism of a filter core forming device according to an embodiment of the present application. Figure 4 An enlarged view of A of a filter paper folding and pressing mechanism according to an embodiment of the present application.

[0026] Figure 6 A perspective view of a filter paper folding and pressing mechanism of a filter core forming device according to an embodiment of the present application. Figure 1 An enlarged view of B of a filter paper folding and pressing mechanism according to an embodiment of the present application.

[0027] Figure 7 A perspective view of a filter paper folding and pressing mechanism of a filter core forming device according to an embodiment of the present application. Figure 6 An enlarged view of B of a filter paper folding and pressing mechanism according to an embodiment of the present application.

[0028] The reference signs are as follows: 100, filter core forming device; 200, filter core; 300, filter paper; 110, filter paper folding and pressing mechanism; 120, filter core transfer mechanism; 130, filter core feeding mechanism; 10, first driving assembly; 11, first driving piece; 12, first transmission piece; 13, first guide piece; 14, first guide sleeve; 15, first connecting plate; 16, second connecting plate; 17, first fixed block; 18, first electric cylinder body; 20, folding and pressing assembly; 21, first folding and pressing piece; 211, first folding and pressing fin; 212, first gap; 213, first arc transition part; 22, second folding and pressing piece; 221, second folding and pressing fin; 222, second gap; 223, second arc transition part; 30, pressure sensor; 40, second driving assembly; 41, second driving piece; 42, second transmission piece; 43, second guide piece; 44, second guide sleeve; 45, third connecting plate; 46, fourth connecting plate; 47, second fixed block; 48, second electric cylinder body; 50, pushing piece; 51, pushing fin; 52, third gap; 70, positioning tray; 71, positioning fin; 72, fourth gap; Z, first direction; X, second direction; Y, third direction. DETAILED DESCRIPTION

[0029] With reference to the drawings and the embodiments of the present application, the technical solutions in the embodiments of the present application will be described clearly and completely. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0030] The flowcharts shown in the drawings are only exemplary, and do not necessarily include all the contents and operations / steps, nor are they necessarily executed in the order described. For example, some operations / steps can be further decomposed, combined or partially merged, so the actual execution order can be changed according to the actual situation.

[0031] In the description of the embodiments of the present application, it should be understood that the terms "first", "second" are used only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise specifically limited.

[0032] The following description is given in order to enable any person skilled in the art to practice and use the present application. In the following description, details are set forth in order to explain the application. It will be apparent to a person skilled in the art that the application can be practiced without using these specific details. In other instances, well-known processes have not been described in detail in order to avoid unnecessarily obscuring the description of the embodiments of the present application. Therefore, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.

[0033] Please refer to Figures 1 to 7The application provides a filter core forming device 100 for folding filter paper 300 into a filter core 200 with a preset shape. The filter core forming device 100 comprises a filter paper folding mechanism 110, which comprises a first driving assembly 10 and a folding assembly 20. The folding assembly 20 comprises a first folding piece 21 and a second folding piece 22. The first folding piece 21 is connected to one end of the first driving assembly 10, and the first folding piece 21 and the second folding piece 22 are oppositely arranged in a first direction Z. The first folding piece 21 comprises a plurality of first folding fins 211 arranged at intervals in a second direction X. Any two adjacent first folding fins 211 have a first gap 212 therebetween. The second folding piece 22 comprises a plurality of second folding fins 221 arranged at intervals in the second direction X. Any two adjacent second folding fins 221 have a second gap 222 therebetween. Each first gap 212 is opposite to one second folding fin 221, and each second gap 222 is opposite to one first folding fin 211. The second direction X is perpendicular to the first direction Z. The first driving assembly 10 is used to drive the first folding piece 21 to reciprocate in the first direction Z. When the first driving assembly 10 drives the first folding piece 21 to move towards the second folding piece 22 and extrudes the filter paper 300 carried on the second folding piece 22 into the second gap 222, the filter core 200 is obtained.

[0034] The first driving assembly 10 can be understood as a power device capable of providing linear reciprocating motion, which can be realized by a gas cylinder, a hydraulic cylinder or an electric push rod, etc. For example, in some scenarios, the first driving assembly 10 can adopt a double-acting cylinder in a pneumatic system to realize the reciprocating motion of the piston rod by controlling the inlet and outlet of gas; or adopt a stepper motor combined with a lead screw structure to convert rotary motion into linear motion, thereby driving the first folding piece 21 to move in the first direction Z.

[0035] The first folding fin 211 is a key component for folding and pressing the filter paper 300, which can be made of metal sheet, hard plastic or other materials with sufficient rigidity. The second folding fin 221 is another folding component used in cooperation with the first folding fin 211, and its geometric parameters are strictly matched with those of the first folding fin 211, aiming to achieve uniform stress on the filter paper 300 during folding. The first folding piece 21 and the second folding piece 22 are designed to form an interlaced folding structure to ensure that the filter paper 300 is accurately guided and forms stable folds during folding. Specifically, the first folding fin 211 and the second folding fin 221 can be stamped from metal plates or manufactured by injection molding, and their surfaces can be designed as smooth planes to reduce frictional resistance. In addition, the sizes of the first gap 212 and the second gap 222 can be adjusted by adjusting the spacing between the fins, such as by changing the mold design or processing parameters to meet the needs of different specifications of the filter core 200.

[0036] The working principle of the technical solution is as follows: the filter core forming device 100 realizes automatic and accurate folding and pressing of the filter paper 300 through the filter paper folding and pressing mechanism 110, so as to convert the filter paper 300 into a filter core 200 with a preset shape and stable structure. The first driving assembly 10 serves as a power source for driving the first folding and pressing piece 21 to reciprocate in the first direction Z to form an automatic folding and pressing cycle. The folding and pressing assembly 20 is composed of the first folding and pressing piece 21 and the second folding and pressing piece 22, which are oppositely arranged in the first direction Z and jointly define a clamping area for filter paper bearing and extrusion. The first folding and pressing piece 21 includes a plurality of first folding and pressing fins 211 arranged at intervals in the second direction X, and a first gap 212 is formed between adjacent two first folding and pressing fins 211. The second folding and pressing piece 22 includes a plurality of second folding and pressing fins 221 arranged at intervals in the second direction X, and a second gap 222 is formed between adjacent two second folding and pressing fins 221. Each first gap 212 is opposite to a second folding and pressing fin 221, and each second gap 222 is opposite to a first folding and pressing fin 211. This staggered arrangement design ensures that the filter paper 300 can be accurately guided to the specified position during extrusion. Further, the second direction X is perpendicular to the first direction Z, ensuring the orthogonal relationship between the movement direction and the arrangement direction of the second folding and pressing fin 221, so that the folding and pressing process is more stable and controllable. When the first driving assembly 10 drives the first folding and pressing piece 21 to move towards the second folding and pressing piece 22, the filter paper 300 carried on the second folding and pressing piece 22 is extruded into the second gap 222. Due to the positional correspondence between the first folding and pressing fin 211 and the second gap 222, the filter paper 300 is forced to bend and embed into the gap during extrusion, forming a uniform and firm pleat structure. Therefore, the filter core 200 has a stable structure after forming, and is not easy to spread during subsequent transfer, thereby solving the problem of manual folding again during manual transfer. Specifically, the first driving assembly 10 drives the first folding and pressing piece 21 to press down, and the filter paper 300 is accurately folded in the second gap 222 of the second folding and pressing piece 22, and the correspondence between the first folding and pressing fin 211 and the second gap 222 ensures the consistency of the pleat depth and shape, finally realizing the automation and efficiency of filter core 200 forming.

[0037] In summary, the present application realizes accurate folding and stable forming of the filter paper 300 through the staggered arrangement design of the first folding and pressing piece 21 and the second folding and pressing piece 22 and the automatic driving of the first driving assembly 10. Compared with the manual operation mode in the prior art, the technical solution avoids the problem of filter core 200 spreading due to unstable structure during transfer, reduces the dependence on manual intervention, and improves the consistency and efficiency of filter core 200 forming.

[0038] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0039] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0040] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0041] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0042] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0043] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0044] In some embodiments of the present application, the plurality of first folding fins 211 are arranged in parallel along the second direction X, each first folding fin 211 extends along the third direction Y, and the distance between any two adjacent first folding fins 211 is equal; the plurality of second folding fins 221 are arranged in parallel along the second direction X, each second folding fin 221 extends along the third direction Y, and the distance between any two adjacent second folding fins 221 is equal to the distance between any two adjacent first folding fins 211; wherein the third direction Y intersects the second direction X and is perpendicular to the first direction Z.

[0045] Specifically, the difference in the number of the second folding and pressing fins 221 and the first folding and pressing fins 211 is designed so that the first folding and pressing piece 21 has more fins at both ends, which are used to form the reinforcing structure of the end of the filter element 200, while the second folding and pressing piece 22 reduces the number of fins, which facilitates the smooth extraction of the filter element 200 after folding and pressing and the grasping of the filter element 200 by the filter element transfer mechanism 120, effectively preventing the end from being scattered and deformed again during the transfer process.

[0046] In some embodiments of the present application, the first folding and pressing fins 211 are provided with first arc transition portions 213 towards the end of the second folding and pressing piece 22, and the second folding and pressing fins 221 are provided with second arc transition portions 223 towards the end of the first folding and pressing piece 21.

[0047] Specifically, the first arc transition portion 213 refers to a smooth arc-shaped structure formed at the end of the first folding and pressing fin 211, which can be realized by machining, casting or injection molding, etc. The purpose of this design is to disperse the stress concentration generated during the extrusion process through the smooth curved surface, thereby avoiding tearing of the filter paper 300 under high pressure. At the same time, the second arc transition portion 223 refers to a similar arc-shaped structure formed at the end of the second folding and pressing fin 221, which can also be realized by machining or other molding processes, with the purpose of reducing the scraping and cutting effect on the filter paper 300, ensuring smooth folding and pressing process.

[0048] In detail, during the molding process of the filter element 200, when the first driving assembly 10 drives the first folding and pressing piece 21 to move towards the second folding and pressing piece 22, the first arc transition portion 213 of the first folding and pressing fin 211 first contacts the filter paper 300. Due to the adoption of the arc design, the pressure distribution of the contact surface is more uniform, effectively preventing the filter paper from being damaged due to excessive local stress. As the first folding and pressing piece 21 continues to move downward, the filter paper is gradually pushed into the second gap 222, and at this time, the second arc transition portion 223 of the second folding and pressing fin 221 moves relative to the filter paper. The arc-shaped design avoids damage to the filter paper 300 by sharp edges, allowing the filter paper 300 to smoothly enter the gap and form the required fold. This design not only improves the quality and stability of the molding of the filter element 200, but also significantly improves the production efficiency.

[0049] Through the above technical solutions, the arc transition design of the first folding and pressing fin 211 and the second folding and pressing fin 221 effectively solves the problem of tearing of the filter paper 300 during high-pressure extrusion, and realizes the stable molding of high-quality filter elements 200.

[0050] In some embodiments of the present application, the first driving assembly 10 comprises a first driving member 11 and a first transmission member 12, the first driving member 11 is connected with one end of the first transmission member 12, and the other end of the first transmission member 12 is connected with the first folding and pressing member 21; wherein the first driving member 11 is used to drive the first transmission member 12 to reciprocate along the first direction Z, and the first transmission member 12 is used to drive the first folding and pressing member 21 to reciprocate along the first direction Z.

[0051] In the present embodiment, the first driving member 11 is a driving motor.

[0052] The first folding and pressing member 21 in the technical solution needs to move along the first direction Z, and the first driving assembly 10 clearly defines the power transmission path of “first driving member 11→first transmission member 12→first folding and pressing member 21”, and the movement directions of the three are unified as the first direction Z. This directional design can strictly limit the movement degree of freedom of the first folding and pressing member 21, and avoid deviation in the second direction X or the third direction Y. The material of the filter paper 300 is fragile, and needs to be lightly loaded and uniformly stressed during extrusion. If the force is too small, the crease will not be clear, and if the force is too large, the filter paper 300 will be crushed. In the technical solution, the first driving member 11 and the first transmission member 12 are designed separately, which can accurately select the type according to the requirement of light load and uniformity, and avoid uneven crease depth. The first driving member 11 (such as a servo motor) has transient speed fluctuation (such as speed overshoot at the moment of starting) when it starts. If the first folding and pressing member 21 is directly driven, it is easy to produce transient impact force. In the technical solution, the hierarchical transmission structure of “first driving member 11→first transmission member 12” can smooth the impact through the damping characteristics of the first transmission member 12. The process of bending the filter paper 300 to form the filter core 200 needs to complete the cycle process of “paper placing→downward pressing and extrusion→shaping→resetting and taking paper”. Manual intervention is easy to cause damage to the filter paper due to improper operation (such as pulling when taking paper and deviation when placing paper). The controllability of the technical solution can realize automatic circulation. Different specifications of filter paper need to match fins with different densities (such as high fin density for small diameter filter paper and low density for large diameter). The weight of the corresponding first folding and pressing member 21 will change (the weight of the pressing head will increase slightly with high fin density). In the technical solution, the detachable connection (such as screw connection) between the first transmission member 12 and the first folding and pressing member 21 supports quick replacement of the first folding and pressing member 21 without the need to replace the first driving member 11. Different specifications of filter paper have different hardness (high specification has slightly higher hardness, which needs slightly larger extrusion force; low specification has lower hardness, which needs smaller extrusion force). In the technical solution, the parameters (such as speed and torque) of the first driving member 11 can be adjusted in real time through the control system.

[0053] In some embodiments of the present application, the first driving assembly 10 further comprises a first guide 13 and a first guide sleeve 14. The first guide 13 is located at least one side of the first driving member 11 and the first transmission member 12, and is connected to an end of the first transmission member 12 away from the first driving member 11. The first guide sleeve 14 is sleeved on the first guide 13 and is connected to the first driving member 11. The first driving member 11 drives the first transmission member 12 to move, and the first transmission member 12 drives the first guide 13 to move synchronously along the first direction Z relative to the first guide sleeve 14.

[0054] In the present embodiment, the number of the first guide 13 and the first guide sleeve 14 is 2 respectively. The two first guides 13 are fixed or detachably connected by a first connecting plate 15 and are fixed or detachably connected to the first folding and pressing member 21. The two first guide sleeves 14 are fixed or detachably connected by a second connecting plate 16. The end of the first transmission member 12 away from the first driving member 11 is connected to the first folding and pressing member 21 through the first connecting plate 15, and the first transmission member 12 passes through the second connecting plate 16.

[0055] In some embodiments, the first driving assembly 10 further comprises a first electric cylinder body 18 and at least one first fixed block 17. At least part of the first transmission member 12 is accommodated in the first electric cylinder body 18 and can reciprocate in the first electric cylinder body 18 along the first direction Z. One end of the first fixed block 17 is fixedly connected to the outer wall of the first electric cylinder body 18. The end of the first electric cylinder body 18 away from the first driving member 11 (driving motor) is fixedly or detachably connected to the second connecting plate 16. The first fixed block 17 is used to fix the first driving assembly 10 at a specified position.

[0056] The first guide 13 refers to a structural component for providing guiding function, which can be realized by linear guide rail, sliding groove or guide column, etc. The purpose is to ensure the first transmission member 12 to maintain accurate straight line trajectory during reciprocating motion by limiting the degree of freedom of motion, avoiding deviation or shaking. The first guide sleeve 14 can be understood as a component for fixing the guide rail, which can be realized by sleeve type structure, sliding block guide rail combination, ball guide rail or linear bearing, etc. The purpose is to constrain the first guide 13 to move only along the first direction Z, so as to eliminate the risk of transverse displacement and improve the motion accuracy.

[0057] Specifically, the above technical scheme builds a high-precision guide system through the synergistic effect of the integration of the first guide member 13 and the first guide sleeve 14, ensuring that the first drive assembly 10 maintains a stable trajectory during movement, thereby effectively solving the problem of uneven folding and pressing of filter paper. The first guide member 13 is located on at least one side of the first drive member 11 and is connected to the end of the first transmission member 12 away from the first drive member 11. This design can disperse lateral stress during movement, avoid bending or tilting of the first transmission member 12 during reciprocating motion, and make the movement path of the first folding and pressing member 21 more stable. The first guide sleeve 14 is sleeved on the first guide member 13 and connected with the first drive member 11, serving as a fixed guide rail to constrain the first guide member 13 to move linearly in the first direction Z, eliminating the risk of lateral displacement and ensuring the movement accuracy of the entire drive system. The first drive member 11 drives the first transmission member 12 to move, and the first transmission member 12 drives the first guide member 13 to move synchronously relative to the first guide sleeve 14 in the first direction Z. This synchronous mechanism makes the thrust transmission process smooth and impact-free, avoiding interference of vibration on the filter paper folding and pressing process, making the stress on the filter paper evenly distributed during extrusion, and significantly improving the stability and consistency of the filter core 200 formation.

[0058] In addition, the design of the above-mentioned first drive assembly 10 complements the use of the first folding and pressing member 21 and the second folding and pressing member 22, further optimizing the overall performance of the filter paper folding and pressing mechanism 110. By introducing the first guide member 13 and the first guide sleeve 14, not only the movement stability of the first folding and pressing member 21 is improved, but also the quality of the filter core 200 formation is indirectly improved, reducing the possibility of scattering during subsequent transfer, thereby achieving higher automation degree and production efficiency.

[0059] In some embodiments of the present application, the filter paper folding and pressing mechanism 110 further comprises a pressure sensor (not shown in the figure), which is arranged between the first folding and pressing member 21 and the first transmission member 12, or between the second folding and pressing member 22 and the rack; the rack is connected with the second folding and pressing member 22 and used for supporting the second folding and pressing member 22; wherein the pressure sensor is electrically connected with the first drive assembly 10, and when the extrusion pressure detected by the pressure sensor reaches a preset threshold value, the first drive assembly 10 stops driving the first folding and pressing member 21 to move downward.

[0060] Specifically, the pressure sensor refers to a device that can convert physical pressure signals into measurable electrical signals, which can be implemented using various sensing technologies such as strain gauge, piezoelectric, or capacitive, with the purpose of monitoring pressure changes in real time during the folding and pressing process. In practical applications, the first transmission member 12 is a key component for transmitting driving force to the first folding and pressing member 21, which can achieve precise force transmission through a screw rod, a rack, or other linear transmission structures. The rack serves as the support main body of the entire device, which can adopt a frame structure or an integral casting form to ensure stability during equipment operation.

[0061] In detail, this technical solution can directly capture the real-time force transmitted by the first driving assembly 10 to the first folding and pressing fin 211 by setting a pressure sensor between the first folding and pressing member 21 and the first transmission member 12, avoiding force transmission distortion caused by mechanical clearance; when the pressure sensor is placed between the second folding and pressing member 22 and the rack, it indirectly reflects the pressure state of the filter paper through the support reaction force (reaction force), which is especially suitable for structures with fixed support of the second folding and pressing member 22. This position selection is based on the adaptation needs of different structural scenarios to ensure that pressure monitoring covers the entire folding and pressing area. The electrical connection between the pressure sensor and the first driving assembly 10 establishes a closed-loop feedback mechanism, enabling pressure data to drive system response in real time. This electrical linkage design avoids the hysteresis of mechanical pressure control. When the extrusion pressure detected by the pressure sensor reaches the preset threshold, the first driving assembly 10 stops driving the first folding and pressing member 21 to move downward. This mechanism sets a safety pressure threshold based on actual working conditions to prevent the filter paper from tearing or deforming due to continuous overpressure, while ensuring that each extrusion reaches the minimum pressure required for molding, maintaining the structural consistency of the filter core 200.

[0062] Through the above technical solution, accurate monitoring and control of extrusion pressure during the folding and pressing process of the filter paper 300 are achieved, effectively solving the problem of filter core 200 quality defects caused by uncontrolled pressure in automated folding and pressing, thereby improving the reliability and yield of automated production.

[0063] Please refer to Figure 1 and Figure 2 In some embodiments of the present application, the filter core molding device 100 further comprises a filter core transfer mechanism 120 and a filter core feeding mechanism 130. The filter core transfer mechanism 120 is located on one side of the filter paper folding and pressing mechanism 110, and the filter core feeding mechanism 130 is located on one side of the filter paper folding and pressing mechanism 110 and comprises a positioning tray 70. The filter core transfer mechanism 120 is used to transfer the filter core 200 from the second folding and pressing member 22 to the positioning tray 70.

[0064] Specifically, the filter core transfer mechanism 120 refers to a device that can automatically complete the transfer of the filter core 200 from the folding and pressing area to the target position. It can be realized by using a mechanical arm, a push rod mechanism, a vacuum suction mechanism, etc. The purpose of introducing the filter core transfer mechanism 120 is to replace manual operation, to take out the filter core 200 from the second folding and pressing piece 22 without damage and transport it to the positioning tray 70, to avoid the filter core 200 from being scattered due to long exposure time during the transfer process, and to improve production efficiency and product consistency. The filter core loading mechanism 130 refers to a device that can transfer the filter core 200 to the designated position of the edge strip. The positioning tray 70 is the core bearing component of the filter core loading mechanism 130. It can realize stable positioning and foolproof of the filter core 200 by designing a groove structure matching the shape of the filter core 200, a flexible buffer layer (such as a silicone pad, a sponge pad), a positioning protrusion, etc., to avoid collision damage or reverse placement of the filter core 200 during the transfer process.

[0065] In detail, the filter core transfer mechanism 120 is designed adjacent to the filter paper folding and pressing mechanism 110 to ensure that the filter core 200 can be immediately captured and transferred after folding and pressing. The filter core loading mechanism 130 is designed adjacent to the filter paper folding and pressing mechanism 110 to ensure that the filter core 200 can immediately enter the positioning tray 70 under the action of the filter core transfer mechanism 120 after being pushed out. The filter core transfer mechanism 120 directly pushes the filter core 200 out of the second folding and pressing piece 22 and transports it to the positioning tray 70 of the filter core loading mechanism 130 through precise path control, effectively avoiding uncontrollable factors that may be caused by manual handling. At the same time, the positional relationship and functional cooperation of the filter core transfer mechanism 120, the filter paper folding and pressing mechanism 110, and the filter core loading mechanism 130 form a continuous operation flow for the entire filter core 200 forming and transfer process, significantly reducing the risk of filter core 200 loosening. In addition, through the automatic transfer mode, not only is the manual re-folding step saved, but also a reliable positioning basis is provided for the subsequent process, which overall improves the automation level of production and the stability of product quality.

[0066] In summary, the introduction of the filter core transfer mechanism 120 not only solves the problem of filter core 200 scattering during manual transfer, but also realizes the automation of the filter core 200 transfer process after forming, so that the filter core 200 forms an automatic closed loop of "folding and pressing - transfer - loading", greatly improving the production efficiency and product consistency.

[0067] In some embodiments of the present application, the filter core transfer mechanism 120 comprises a second driving assembly 40 and a pushing member 50 connected with the second driving assembly 40, the pushing member 50 comprises a plurality of pushing fins 51 arranged at intervals along the second direction X, and any two adjacent pushing fins 51 have a third gap 52 therebetween, each third gap 52 is opposite to a position of a second folding fin 221, and each second gap 222 is opposite to a position of a pushing fin 51; wherein the second driving assembly 40 is used to drive the pushing member 50 to reciprocate along a third direction Y, when the second driving assembly 40 drives the pushing member 50 to move towards the second folding member 22, the pushing member 50 pushes the filter core 200 until the filter core 200 is separated from the second folding member 22, and then the filter core 200 is transferred to a designated position; the third direction Y intersects with the second direction X and is perpendicular to the first direction Z.

[0068] Specifically, the pushing fin 51 refers to a structural unit with a specific arrangement and shape, which can be made of metal sheet, hard plastic strip or other rigid materials, and the purpose is to realize the structural matching with the second folding member 22 through precise geometric design. In practical application, the number and distribution of the pushing fin 51 can be adjusted according to the size and folding requirement of the filter core 200, so as to ensure the uniform force during the transfer of the filter core 200. The third gap 52 is designed to accommodate the second folding fin 221, so as to avoid structural interference and ensure that the filter core 200 can be smoothly separated from the second folding member 22. In addition, the second driving assembly 40 can be a cylinder, a hydraulic cylinder or a motor-driven transmission mechanism, and the purpose is to provide stable driving force for the pushing member 50, so as to ensure the reliability and efficiency of the transfer process of the filter core 200.

[0069] In detail, the complementary design between the pushing member 50 and the second folding member 22 is the key to realize the stable transfer of the filter core 200. The positions of the pushing fins 51 are accurately corresponding to the second gaps 222 in the second folding member 22, so that the pushing fins 51 can be accurately inserted into the inside of the second gaps 222 and directly act on the folding area of the filter core 200, avoiding the deformation of the filter core 200 caused by uneven force. At the same time, the third gaps 52 between the pushing fins 51 are opposite to the positions of the second folding fins 221, and this relative position relationship ensures that the second folding fins 221 can be smoothly embedded in the third gaps 52 during the transfer process, eliminating the risk of structural interference and making the filter core 200 maintain overall stability during the pushing process. Based on the spatial relationship that the third direction Y intersects with the second direction X and is perpendicular to the first direction Z, the pushing action and the folding process of filter paper are independent in space, avoiding the interference with the folding operation. When the pushing member 50 approaches the second folding member 22, the matching structure of the pushing fins 51 and the second gaps 222 makes the filter core 200 be uniformly forced, so as to be smoothly separated from the second folding member 22 and transferred to the designated position, realizing the continuous and automatic operation from forming to transferring of the filter core 200.

[0070] Through the above technical solutions, the filter element transfer mechanism 120 not only solves the problem that the filter element 200 is prone to spread or jam when it is separated from the second folding and pressing piece 22, but also significantly improves the reliability and efficiency of the transfer process, providing strong support for the full automation of filter element 200 production.

[0071] In some embodiments of the present application, the plurality of pushing fins 51 are arranged in parallel along the second direction X, each pushing fin 51 extends along the third direction Y, and the distance between adjacent two pushing fins 51 is equal.

[0072] In some embodiments of the present application, the number of second folding and pressing fins 221 is less than the number of pushing fins 51 by 2, and the number of second gaps 222 is less than the number of third gaps 52 by 1.

[0073] Wherein, the pushing fin 51 refers to a structural component for pushing the filter element 200 out of the second folding and pressing piece 22 and transferring it to a designated position, which can be made of metal sheet, plastic strip or other materials with sufficient rigidity. Wherein, the pushing fin 51 is arranged in parallel along the second direction X to ensure that all pushing fins 51 maintain consistent directionality during movement, avoiding uneven force on the filter element 200 due to angle deviation. Specifically, the design of the pushing fin 51 extending along the third direction Y maximizes its contact area with the filter element 200, thereby providing uniform distribution of pushing force. In addition, the distance between adjacent two pushing fins 51 is equal, which ensures that the pushing force on the filter element 200 is evenly distributed during the transfer process, preventing local stress concentration from causing the filter element 200 to deform or spread. The number of second folding and pressing fins 221 is less than the number of pushing fins 51 by 2, which ensures that the pushing fin 51 can accurately fit into the gap between the second folding and pressing fins 221, thereby providing additional support points for the filter element 200 and preventing the filter element 200 from being squeezed and deformed when it is separated from the second folding and pressing piece 22. The number of second gaps 222 is less than the number of third gaps 52 by 1, which allows the pushing fin 51 to accurately correspond to the second gap 222, ensuring smooth transition of the filter element 200 when it is separated from the second folding and pressing piece 22, and reducing the risk of jamming.

[0074] Specifically, the above technical solution effectively solves the problem of uneven stress of the filter element 200 when it is separated from the second folding and pressing part 22 by optimizing the geometric layout and quantity matching relationship of the pushing fins 51. The plurality of pushing fins 51 are arranged in parallel and spaced apart along the second direction X. This arrangement ensures that the pushing fins 51 remain strictly parallel during movement, avoiding the deviation of the filter element 200 caused by angle deviation. Each pushing fin 51 extends along the third direction Y. Since the pushing member 50 moves along the third direction Y, the extension direction is consistent with the movement direction, which maximizes the contact area between the pushing fin 51 and the filter element 200, ensures that the pushing force acts directly on each folding and pressing part of the filter element 200, and reduces the possibility of sliding or misplacement. The spacing between the adjacent two pushing fins 51 is equal, which ensures the consistency of the space between each pushing fin 51, so that each folding and pressing part of the filter element 200 receives the same pushing force when it is transferred, preventing local stress concentration from causing the filter element 200 to twist or spread. The number of second folding fins 221 is less than the number of pushing fins 51 by 2. This number relationship ensures that the number of pushing fins 51 is slightly more than the number of folding fins, so that during the pushing process, the pushing fins 51 can accurately fit into the gap between the second folding fins 221, avoiding the deformation of the filter element 200 caused by extrusion. The number of second gaps 222 is less than the number of third gaps 52 by 1. The matching of the number of gaps ensures that each pushing fin 51 can accurately correspond to the second gap 222, ensuring smooth transition of the filter element 200 when it is separated from the second folding and pressing part 22, reducing the risk of jamming, and thus ensuring the smoothness of the transfer process. These features work together to make the transfer process of the filter element 200 more stable and reliable, significantly improving the automation efficiency.

[0075] In summary, through the above technical solution, the optimized configuration of the pushing fins 51 not only improves the stability of the filter element 200 during the transfer process, but also reduces the need for manual intervention, thereby significantly improving the production efficiency and automation level.

[0076] In some embodiments of the present application, the second driving assembly 40 includes a second driving member 41 and a second transmission member 42, the second driving member 41 is connected with one end of the second transmission member 42, and the other end of the second transmission member 42 is connected with the pushing member 50; wherein the second driving member 41 is used to drive the second transmission member 42 to move back and forth along the third direction Y, and the second transmission member 42 is used to drive the pushing member 50 to move back and forth along the third direction Y.

[0077] Specifically, the second driving assembly 40 refers to a mechanical structure capable of providing power and transmitting power to achieve a specific motion. It can be implemented in common driving forms such as air cylinders, hydraulic cylinders, or electric motors combined with lead screws, etc., aiming to provide accurate and stable driving force for the filter core 200 transfer process. The second transmission member 42 can be understood as an intermediate mechanism that transmits power from the driving source to the executing component, which can be a connecting rod, a rack, or a synchronous belt, etc. transmission form, aiming to ensure the smoothness and accuracy of power transmission.

[0078] In detail, the technical scheme effectively improves the accurate control and motion stability of the filter core 200 transfer process by explicitly defining the specific structure and connection relationship of the second driving assembly 40. The direct connection between the second driving member 41 and the second transmission member 42 reduces the loss and delay in energy transmission, ensuring the instant responsiveness of power output. At the same time, the rigid connection between the second transmission member 42 and the pushing member 50 avoids shaking or misalignment during the motion process. In actual application, when the second driving member 41 starts, the driving force generated by it will be directly transmitted to the pushing member 50 through the second transmission member 42, enabling the pushing member 50 to perform accurate reciprocating motion along the third direction Y. In this process, since the power output is limited to the third direction Y consistent with the filter core 200 transfer path, it ensures that the motion trajectory is highly matched with the filter core 200 detachment requirement. In addition, the smooth transmission of the second transmission member 42 makes the motion rhythm of the pushing member 50 uniform and controllable, preventing the deformation or scattering of the filter core 200 caused by sudden acceleration or deceleration. In this way, efficient and reliable automation is achieved in the filter core 200 transfer link, significantly reducing the necessity of manual intervention.

[0079] Based on the overall design of the filter paper folding and pressing mechanism 110 and the filter core transfer mechanism 120, the technical scheme not only solves the problem of lack of accuracy and stability in the driving process, but also realizes the full-process automation of filter core 200 forming and transfer through reasonable structure layout and power transmission design, thereby effectively avoiding the time-consuming and labor-intensive problems caused by manual intervention.

[0080] In some embodiments of the present application, the second driving assembly 40 further includes a second guide 43 and a second guide sleeve 44, the second guide 43 is located on at least one side of the second transmission member 42 and the second driving member 41 and connected to the end of the second transmission member 42 away from the second driving member; the second guide sleeve 44 is sleeved on the second guide 43 and connected with the second driving member 41; wherein the second driving member 41 drives the second transmission member 42 to move, the second transmission member 42 drives the pushing member 50 to move along the third direction Y, and the pushing member 50 drives the second guide 43 to move synchronously along the third direction Y relative to the second guide sleeve 44.

[0081] In the present embodiment, the number of the second guides 43 and the second guide sleeves 44 is 2 respectively, the two second guides 43 are fixed or detachably connected through the third connecting plate 45 and fixed or detachably connected with the pushing member 50. The two second guide sleeves 44 are fixed or detachably connected through the fourth connecting plate 46. The end of the second transmission member 42 away from the second driving member 41 is connected with the pushing member 50 through the third connecting plate 45, and the second transmission member 42 passes through the fourth connecting plate 46.

[0082] In some embodiments, the second driving assembly 40 further comprises a second electric cylinder 48 and at least one second fixed block 47, at least part of the second transmission member 42 is accommodated in the second electric cylinder 48 and can reciprocate in the third direction Y in the second electric cylinder 48, one end of the second fixed block 47 is fixedly connected to the outer wall of the second electric cylinder 48, the end of the second electric cylinder 48 away from the second driving member 41 (driving motor) is fixed or detachably connected with the fourth connecting plate 46, and the second fixed block 47 is used to fix the second driving assembly 40 at a specified position.

[0083] Specifically, the second guide 43 refers to a structural component for providing guiding support, which can be realized by linear guide rails, sliding rods or similar structures with guiding function. In actual application, the second guide 43 is arranged at the end of the second transmission member 42 away from the second driving member 41, which can effectively offset the lateral force generated in the transmission process, thereby improving the stability of the overall movement. The second guide sleeve 44 is a constraint component which is sleeved on the second guide 43, which can be realized by fixed sleeves, sliding bearings or other similar structural forms, and the purpose is to provide a rigid constraint channel for the second guide 43 to ensure that it can only move linearly in the predetermined direction. The introduction of the above design aims to solve the problem of movement trajectory deviation caused by the lack of effective guiding mechanism, thereby improving the positioning accuracy in the transfer process of the filter element 200.

[0084] In detail, the technical scheme constructs a high-precision motion guide system through cooperation of the second guide member 43 and the second guide sleeve 44. Specifically, the second guide member 43 is located at least one side of the second transmission member 42 and the second driving member 41, and is connected to an end of the second transmission member 42 away from the second driving member 41. This end support design utilizes the lever balance principle to form a stable fulcrum at a position away from the power source, effectively offsetting the lateral force and bending deformation that may be generated in the reciprocating motion of the second transmission member 42. At the same time, the second guide sleeve 44 is sleeved on the second guide member 43 and connected with the second driving member 41. By fixing the guide sleeve to the driving member body, a rigid constraint channel is formed, ensuring that the second guide member 43 can only slide linearly along the third direction Y, avoiding rotation or inclination deviation during motion. On this basis, when the second driving member 41 drives the second transmission member 42 to move, the second transmission member 42 drives the second guide member 43 to move synchronously along the third direction Y relative to the second guide sleeve 44. This linkage mechanism ensures that the pushing fins 51 and the second folding and pressing fins 221 are always accurately aligned, thereby ensuring that the filter core 200 is uniformly stressed and stably positioned during transfer, completely eliminating the risk of filter core 200 scattering or positioning failure caused by unstable motion trajectory. In addition, the above design forms a close functional relationship between the plurality of pushing fins 51 of the pushing member 50 and the second folding and pressing fins 221 of the second folding and pressing member 22, further improving the automation reliability of filter core 200 transfer.

[0085] In summary, through the above technical scheme, not only does it solve the problem of filter core 200 transfer failure caused by unstable motion trajectory, but also significantly improves the working efficiency and automation level of the entire filter core forming device 100.

[0086] In some embodiments of the present application, the positioning tray 70 includes a plurality of positioning fins 71 spaced apart along the second direction X, and each adjacent two positioning fins 71 has a fourth gap 72 therebetween, each fourth gap 72 is opposite to a second gap 222 in position, and each positioning fin 71 is opposite to a second folding and pressing fin 221 in position; wherein the pushing member 50 pushes the filter core 200 to transfer from the second gap 222 of the second folding and pressing member 22 to the fourth gap 72 of the positioning tray 70, and the wave crest of the filter core 200 covers the positioning fin 71.

[0087] Specifically, the positioning fins 71 refer to the protruding structures arranged on the main body of the positioning tray 70 and spaced apart along the second direction X, which can be implemented in the form of integral injection molding (such as ABS, POM material), metal inlay (such as aluminum alloy), etc. with the positioning tray 70, and the purpose is to limit the position of the filter cartridge 200 in the positioning tray 70 through cooperation with the wave crest of the filter cartridge 200, so as to avoid the offset of the filter cartridge 200 after transfer. In actual application, the fourth gap 72 is the groove space formed between two adjacent positioning fins 71, and the width and depth thereof need to be accurately matched with the second gap 222 (the gap between two adjacent second folding fins 221) of the second folding piece 22, so as to ensure that the fold line form of the filter cartridge 200 is not extruded or stretched when the filter cartridge 200 is transferred from the second gap 222 to the fourth gap 72.

[0088] In detail, the technical scheme builds a "precise alignment channel" for the transfer of the filter cartridge 200 through the design of "the positioning fins 71 being opposite to the second folding fins 221 in position, and the fourth gap 72 being opposite to the second gap 222 in position", that is, the second folding fins 221 of the second folding piece 22 and the positioning fins 71 of the positioning tray 70 support the wave crest of the filter cartridge 200, and the second gap 222 and the fourth gap 72 accommodate the wave trough of the filter cartridge 200. Since each positioning fin 71 corresponds to one second folding fin 221, after the transfer of the filter cartridge 200, the wave crest of the filter cartridge 200 covers the positioning fin 71, and the wave trough of the filter cartridge 200 is embedded in the fourth gap 72, forming "circumferential limiting" (that is, the positioning fin 71 blocks the left and right offset of the filter cartridge 200) and "radial limiting" (the fourth gap 72 limits the up and down movement of the filter cartridge 200), and the position deviation of the filter cartridge 200 in the positioning tray 70 can be controlled within a small numerical range, which is much better than the position deviation without the positioning fin 71. The one-to-one corresponding structure can ensure that the wave trough of the filter cartridge 200 is always in the gap space and the wave crest is always in contact with the fin during the transfer process, avoiding the deformation of the fold line caused by the collision of the wave crest and the fin.

[0089] In some embodiments, the pushing surface of the pushing piece 50 can be designed as an arc shape matching the wave crest-wave trough arc of the filter cartridge 200, the pushing speed is controlled within a small preset speed, the friction between the filter cartridge 200 and the gap edge caused by too fast speed is avoided, and the pushing stroke accurately corresponds to the sum of the length of the second gap 222 and the distance from the second gap 222 to the fourth gap 72, so as to ensure that the filter cartridge 200 can completely enter the fourth gap 72 without being partially left in the second folding piece 22.

[0090] Specifically, the pushing piece 50 is an execution component for realizing the transfer of the filter core 200. The pushing piece 50 pushes the filter core 200 from the second gap 222 of the second folding and pressing piece 22 to the fourth gap 72 of the positioning tray 70 stably through linear motion in the third direction Y, avoiding damage to the folding mark of the filter core 200 caused by direct grabbing. The structural design of the pushing piece 50 cooperating with the positioning fin 71 can greatly shorten the single transfer time, thereby greatly reducing the rework cost caused by the deviation of the filter core 200.

[0091] Please refer to Figure 1 , Figure 2 and Figures 4 to 7 , and the above, the working principle of each component of the filter core forming device 100 is as follows: after the filter paper 300 is placed on the second folding and pressing fin 221 of the second folding and pressing piece 22, the first driving piece 11 of the filter paper folding and pressing mechanism 110 is started. The first driving piece 11 drives the first transmission piece 12 to move towards the second folding and pressing fin 221 in the first direction Z until the first folding and pressing fin 211 contacts the filter paper. The first driving piece 11 continues to drive the first folding and pressing fin 211, and the first folding and pressing fin 211 and the second folding and pressing fin 221 cooperate to extrude the filter paper. Part of the filter paper 300 is extruded into the second gap 222 under the action of the first folding and pressing fin 211, and another part of the filter paper 300 enters the first gap 212 under the action of the second folding and pressing fin 221. The filter paper 300 is formed to obtain the filter core 200. At this time, the first driving piece 11 is reversely rotated to drive the first folding and pressing piece 21 to move reversely, and the first folding and pressing fin 211 gradually moves away from the filter core 200. The second driving piece 41 is started, and the second driving piece 41 drives the second transmission piece 42 to move towards the second folding and pressing piece 22 until the pushing fin 51 contacts the filter core 200 in the second folding and pressing piece 22. The second driving piece 41 continues to rotate slowly to drive the pushing fin 51 to push the filter core 200 out of the second folding and pressing piece 22 and into the fourth gap 72 of the positioning fin 71 of the positioning tray 70 of the filter core feeding mechanism 130. The second driving piece 41 continues to rotate slowly until the filter core 200 is completely pushed into the positioning tray 70. The second driving piece 41 is reversely rotated to drive the pushing piece 50 to move reversely until the pushing fin 51 is separated from the second gap 222 of the second folding and pressing piece 22.

[0092] In the above embodiments, the description of each embodiment has its own emphasis, and the parts not described in detail in a certain embodiment can be referred to the related description of other embodiments.

[0093] The above merely is the preferred embodiment of the present application, and is used to help understand the technical solutions and core ideas of the present application, and does not limit the present application in any form. It should be understood by those of ordinary skill in the art that the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced equivalently; and the modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A filter core molding apparatus for folding and pressing filter paper into a filter core having a predetermined shape, characterized by, The filter core forming device comprises a filter paper folding and pressing mechanism, the filter paper folding and pressing mechanism comprises: a first driving assembly; and a folding and pressing assembly comprising a first folding and pressing piece and a second folding and pressing piece, the first folding and pressing piece is connected with one end of the first driving assembly, the first folding and pressing piece and the second folding and pressing piece are oppositely arranged in a first direction; the first folding and pressing piece comprises a plurality of first folding and pressing fins which are spaced apart in a second direction, any two adjacent first folding and pressing fins have a first gap, the second folding and pressing piece comprises a plurality of second folding and pressing fins which are spaced apart in the second direction, any two adjacent second folding and pressing fins have a second gap, each first gap is opposite to a position of one second folding and pressing fin, and each second gap is opposite to a position of one first folding and pressing fin; the second direction is perpendicular to the first direction; wherein the first driving assembly is used to drive the first folding and pressing piece to reciprocate in the first direction, when the first driving assembly drives the first folding and pressing piece to move in a direction close to the second folding and pressing piece and presses the filter paper carried on the second folding and pressing piece into the second gap, the filter core is obtained.

2. The filter cartridge forming apparatus of claim 1 wherein, The plurality of first folding and pressing fins are parallelly and spaced apart in the second direction, each first folding and pressing fin extends in a third direction, and the spacing between adjacent two first folding and pressing fins is equal; the plurality of second folding and pressing fins are parallelly and spaced apart in the second direction, each second folding and pressing fin extends in the third direction, and the spacing between adjacent two second folding and pressing fins is equal to the spacing between adjacent two first folding and pressing fins; wherein the third direction intersects with the second direction and is perpendicular to the first direction.

3. The filter cartridge forming apparatus of claim 2 wherein, the size of the first folding and pressing fin in the first direction and the second direction is the same as the size of the second folding and pressing fin in the first direction and the second direction; the size of the first gap in the second direction is the same as the size of the second gap in the second direction.

4. The filter cartridge forming apparatus of claim 1 wherein, The number of the second folding and pressing fins is less than the number of the first folding and pressing fins by 2, and the number of the second gap is less than the number of the first gap by 1.

5. The filter cartridge forming apparatus of any one of claims 1-4, wherein, The end of the first folding and pressing fin towards the second folding and pressing piece is provided with a first circular arc transition part, and the end of the second folding and pressing fin towards the first folding and pressing piece is provided with a second circular arc transition part.

6. The filter cartridge forming apparatus of claim 1 wherein, The first driving assembly comprises a first driving piece and a first transmission piece, the first driving piece is connected with one end of the first transmission piece, and the other end of the first transmission piece is connected with the first folding and pressing piece; wherein the first driving piece is used to drive the first transmission piece to reciprocate in the first direction, and the first transmission piece is used to drive the first folding and pressing piece to reciprocate in the first direction.

7. The filter cartridge forming apparatus of claim 6 wherein, The first driving assembly further comprises: a first guide piece located on at least one side of the first transmission piece and the first driving piece and connected with the end of the first transmission piece away from the first driving piece; and a first guide sleeve sleeved on the first guide piece and connected with the first driving piece; The first driving member drives the first transmission member to move, and the first transmission member drives the first guide member to move synchronously relative to the first guide sleeve in the first direction.

8. The filter core forming apparatus of any one of claims 1-4 and 6-7, wherein, The filter paper folding and pressing mechanism further comprises: A pressure sensor is arranged between the first folding and pressing member and the first transmission member, or between the second folding and pressing member and the rack; the rack is connected with the second folding and pressing member and is used for supporting the second folding and pressing member; The pressure sensor is electrically connected with the first driving assembly, and when the extrusion pressure detected by the pressure sensor reaches a preset threshold value, the first driving assembly stops driving the first folding and pressing member to move downward.

9. The filter core forming apparatus of any one of claims 1-4 and 6-7, wherein, The filter element forming device further comprises: A filter element transfer mechanism is arranged on one side of the filter paper folding and pressing mechanism; and A filter element feeding mechanism is located on one side of the filter paper folding and pressing mechanism and comprises a positioning tray; The filter element transfer mechanism is used for transferring the filter element from the second folding and pressing member to the positioning tray.

10. The filter cartridge forming apparatus of claim 9 wherein, The filter element transfer mechanism comprises: A second driving assembly; and A pushing member connected with the second driving assembly; the pushing member comprises a plurality of pushing fins arranged in the second direction at intervals, and any two adjacent pushing fins have a third gap therebetween, each third gap is opposite to a position of the second folding and pressing fin, and each second gap is opposite to a position of the pushing fin; The second driving assembly is used for driving the pushing member to move reciprocally in a third direction, when the second driving assembly drives the pushing member to move in a direction close to the second folding and pressing member, the pushing member pushes the filter element until the filter element is separated from the second folding and pressing member, and the filter element is transferred to the positioning tray; the third direction intersects with the second direction and is perpendicular to the first direction.

11. The filter cartridge forming apparatus of claim 10 wherein, A plurality of pushing fins are arranged in parallel at intervals in the second direction, each pushing fin extends in the third direction, and the spacing between adjacent pushing fins is equal; and / or The number of second folding and pressing fins is less than the number of pushing fins by 2, and the number of second gaps is less than the number of third gaps by 1.

12. The filter cartridge forming apparatus of claim 10 wherein, The second driving assembly comprises a second driving member and a second transmission member, the second driving member is connected with one end of the second transmission member, and the other end of the second transmission member is connected with the pushing member; The second driving member is used for driving the second transmission member to move reciprocally in the third direction, and the second transmission member is used for driving the pushing member to move reciprocally in the third direction.

13. The filter cartridge forming apparatus of claim 12 wherein, The second driving assembly further comprises: A second guide member is located on at least one side of the second transmission member and the second driving member and is connected with the end of the second transmission member away from the second driving member; and A second guide sleeve is sleeved on the second guide member and is connected with the second driving member; The second driving member drives the second transmission member to move, and the second transmission member drives the second guide member to move synchronously relative to the second guide sleeve in the third direction.

14. The filter cartridge forming apparatus of claim 10 wherein, The positioning tray comprises a plurality of positioning fins arranged at intervals along the second direction, and any two adjacent positioning fins have a fourth gap therebetween, each fourth gap is opposite to a second gap position, and each positioning fin is opposite to a second folding and pressing fin position. The pushing member pushes the filter core from the second gap of the second folding and pressing member to the fourth gap of the positioning tray along a third direction, and the wave crest of the filter core covers the positioning fins.

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