Conductive sponge production equipment and production process thereof

By designing conductive sponge production equipment and utilizing a combination of unwinding system, soaking system, in-tank extrusion system and auxiliary extrusion system, the problem of incomplete saturation of conductive sponge was solved, achieving uniform absorption and improved conductivity of the sponge sheets, thus ensuring efficient production of conductive sponge.

CN120714852BActive Publication Date: 2025-12-09FULE (JINJIANG) FOOTWEAR MATERIAL CO LTD
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Patent Information

Application Number
CN202511220198.9
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-08-29
Publication Date
2025-12-09
Estimated Expiration
2045-08-29

AI Technical Summary

Technical Problem

Conductive sponges sometimes fail to fully penetrate the conductive liquid, affecting their conductivity and performance.

Method used

The conductive sponge production equipment includes an unwinding system, an soaking system, an in-pool extrusion system, an auxiliary extrusion system, and an out-of-pool extrusion system. Through the cooperation of the extrusion device and the traction wheel, the sponge sheet is ensured to fully absorb the conductive liquid in the soaking system. The injection pump actively supplies material to achieve all-round extrusion and impregnation of the sponge sheet.

Benefits of technology

It effectively improves the conductivity of conductive sponge, ensuring uniform absorption and conductivity of the sponge sheet. Adaptability ensures the conductivity of the sponge sheet, achieving conductivity and rapid impregnation of the sponge sheet, thus improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a conductive sponge production equipment and its production process, belongs to the technical field of sponge impregnation, including unwinding system, soaking system, in-pool extrusion system, auxiliary extrusion system and out-pool extrusion system, the in-pool extrusion system is installed in the soaking system, the unwinding system and the out-pool extrusion system are respectively installed at both ends of the soaking system, the in-pool extrusion system has a plurality of extrusion channels, the auxiliary extrusion system includes two auxiliary extrusion frames, two extrusion devices and two traction wheels, the two auxiliary extrusion frames are installed in the soaking system, the extrusion device is installed on the auxiliary extrusion frame in a lifting manner, the two traction wheels are rotatably installed on the auxiliary extrusion frame, the surfaces of the two traction wheels protrude from the surface of the auxiliary extrusion frame, each traction wheel is in transmission connection with the corresponding extrusion device, the two auxiliary extrusion frames enclose two material injection cavities, the two material injection cavities are located on the two sides of the auxiliary extrusion frame respectively, the two material injection cavities extend into the corresponding extrusion channels, the material injection cavities are communicated with a material injection pump, and the product has good conductive performance.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of sponge impregnation, in particular to a conductive sponge production equipment and a production process thereof. BACKGROUND

[0002] The conductive sponge is a medium material produced by high polymer composite foaming technology. The conductive sponge has uniform foaming pore diameter, softness, elasticity, and no desquamation. The conductive sponge has stable conductive performance, long effective period, and is not affected by temperature and humidity. The resistance value of the conductive sponge can be customized. The uniform distribution and corrosion resistance of the pores of the conductive sponge make it an ideal material for long-term storage devices. The conductive sponge is widely used in computers, communication equipment, medical instruments, military and aerospace fields.

[0003] The conductive sponge needs to be soaked to ensure the conductivity. Since the sponge has a thickness, the conductive liquid needs time to soak, and there is a possibility that the sponge cannot be soaked. SUMMARY

[0004] In order to overcome the technical defects of the prior art, the present application provides a conductive sponge production equipment and a production process thereof, and the product has good conductive performance.

[0005] The technical solution adopted by the present application is as follows:

[0006] The conductive sponge production equipment comprises a unwinding system, a soaking system, an in-pool extrusion system, an auxiliary extrusion system and an out-pool extrusion system. The in-pool extrusion system is installed in the soaking system. The unwinding system and the out-pool extrusion system are respectively installed at two ends of the soaking system. The in-pool extrusion system has a plurality of extrusion channels. The auxiliary extrusion system comprises two auxiliary extrusion frames, two extrusion devices and two traction wheels. The two auxiliary extrusion frames are installed in the soaking system. The extrusion devices are installed on the corresponding auxiliary extrusion frames in a lifting manner. The two traction wheels are rotatably installed on the corresponding auxiliary extrusion frames. The surfaces of the two traction wheels protrude from the surfaces of the auxiliary extrusion frames. The traction wheels are in transmission connection with the corresponding extrusion devices. Two injection cavities are formed between the two auxiliary extrusion frames. The two injection cavities are respectively located on the two sides of the auxiliary extrusion frames. The two injection cavities extend into the corresponding extrusion channels. The injection cavities are communicated with an injection pump.

[0007] Preferably, the unwinding system comprises a plurality of unwinding rollers. The unwinding rollers are rotatably installed on one side of the soaking system. The unwinding rollers are in transmission connection with unwinding motors.

[0008] Preferably, the soaking system comprises a soaking pool and a plurality of soaking guide rollers. The soaking guide rollers are rotatably installed in the soaking pool. The in-pool extrusion system is installed in the soaking pool. The unwinding system and the out-pool extrusion system are respectively installed at two ends of the soaking pool.

[0009] Preferably, the in-pool extrusion system comprises a plurality of pairs of mutually roller-pressed in-pool extrusion rollers, and adjacent in-pool extrusion rollers form an extrusion channel.

[0010] Preferably, the out-pool extrusion system comprises a plurality of pairs of mutually roller-pressed out-pool extrusion rollers, and each out-pool extrusion roller is rotatably mounted on the flow guide groove, the flow guide groove is mounted on the side of the soaking system, and the side of the flow guide groove close to the soaking system is lower than the side of the flow guide groove away from the soaking system.

[0011] Preferably, the two auxiliary extrusion frames form a spindle shape, one of the two traction wheels protrudes from the upper surface of the upper auxiliary extrusion frame at the uppermost end of the upper auxiliary extrusion frame, and the other traction wheel protrudes from the lower surface of the lower auxiliary extrusion frame at the lowermost end of the lower auxiliary extrusion frame.

[0012] Preferably, the injection cavity is provided with an injection grid on both sides of the auxiliary extrusion frame.

[0013] Preferably, the extrusion device comprises an extrusion bearing piece, both ends of the extrusion bearing piece extend to the extrusion channel, the extrusion bearing piece is provided with an extrusion plate protruding from the corresponding auxiliary extrusion frame at the position extending to the extrusion channel, both sides of the extrusion plate are provided with guide inclined surfaces, and a plurality of sliding columns sliding along the auxiliary extrusion frame are arranged on the extrusion bearing piece.

[0014] Preferably, the traction wheel is provided with a plurality of traction friction plates uniformly arranged in the circumferential direction, a connecting rod is mounted at the eccentric position of the traction wheel, and both ends of the connecting rod are rotatably mounted on the traction wheel and the extrusion device, respectively.

[0015] The conductive sponge production process uses a conductive sponge production device and comprises the following steps:

[0016] S1: The unwinding system unwinds;

[0017] S2: The sponge sheet enters the soaking system, the soaking system is filled with conductive liquid, and the sponge sheet passes through the in-pool extrusion system and then passes through the in-pool extrusion system;

[0018] S3: The sponge sheet passes along the surface of the auxiliary extrusion frame, and the sponge sheet drives the two traction wheels to rotate;

[0019] S4: The traction wheel drives the corresponding extrusion device to ascend and descend along the auxiliary extrusion frame, so that the extrusion device repeatedly extrudes the sponge sheet towards the in-pool extrusion system;

[0020] S5: The injection cavity extrudes the conductive liquid in the extrusion channel, and the conductive liquid flows back to the soaking system.

[0021] The conductive sponge production process uses a conductive sponge production device and comprises the following steps:

[0022] The pool extrusion system is installed in the soaking system, the unwinding system and the pool extrusion system are installed at two ends of the soaking system respectively, the pool extrusion system has a plurality of extrusion channels, the soaking system is filled with conductive liquid, the pool extrusion system is used for extruding the sponge sheet in the soaking system, so that the sponge sheet absorbs the conductive liquid, the auxiliary extrusion system comprises two auxiliary extrusion frames, two extrusion devices and two traction wheels, the two auxiliary extrusion frames are installed in the soaking system, the extrusion device is installed on the corresponding auxiliary extrusion frame in a lifting manner, the two traction wheels are rotatably installed on the corresponding auxiliary extrusion frame, the two traction wheels protrude from the surface of the auxiliary extrusion frame, each traction wheel is in transmission connection with the corresponding extrusion device, two injection cavities are surrounded between the two auxiliary extrusion frames, the two injection cavities are located on the two sides of the auxiliary extrusion frame respectively, the two injection cavities extend into the corresponding extrusion channel, the injection cavity is communicated with an injection pump, the injection pump actively injects the conductive liquid into the injection cavity, actively supplies the sponge sheet located in the extrusion channel position, ensures that the sponge sheet is soaked, the sponge sheet passes through the surface of the auxiliary extrusion frame, the two traction wheels rotate, the extrusion device is lifted, and the sponge sheet is repeatedly extruded to the pool extrusion system at the extrusion channel position, so that the sponge sheet absorbs the conductive liquid. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a structural schematic view of the present application.

[0024] Figure 2 It is another perspective view of the structure of the present application.

[0025] Figure 3 It is a structural schematic view of the auxiliary extrusion system.

[0026] Figure 4 It is a structural schematic view of the extrusion device.

[0027] Figure 5 It is a structural schematic view of the auxiliary extrusion system.

[0028] Figure 6 It is a structural schematic view of the auxiliary extrusion frame.

[0029] BRIEF DESCRIPTION OF DRAWINGS:

[0030] 1, the unwinding system;

[0031] 2, the soaking system; 21, the soaking pool; 22, the soaking guide roller;

[0032] 3, the pool extrusion system; 31, the pool extrusion roller;

[0033] 4, the auxiliary extrusion system; 41, the auxiliary extrusion frame; 42, the injection cavity; 421, the liquid injection grid; 43, the extrusion device; 431, the extrusion bearing sheet; 4311, the sliding column; 432, the extrusion plate; 44, the traction wheel; 441, the traction friction plate;

[0034] 5. External extrusion system; 51. Guide channel; 52. External extrusion rollers;

[0035] 6. Extrusion channel. Detailed Implementation

[0036] The present invention will be further described below with reference to the accompanying drawings:

[0037] like Figure 1 — Figure 6 As shown, this embodiment provides a conductive sponge production equipment, including an unwinding system 1, an soaking system 2, an in-pool extrusion system 3, an auxiliary extrusion system 4, and an out-of-pool extrusion system 5. The in-pool extrusion system 3 is installed inside the soaking system 2. The unwinding system 1 and the out-of-pool extrusion system 5 are respectively installed at both ends of the soaking system 2. The in-pool extrusion system 3 has several extrusion channels 6. The soaking system 2 is filled with commercially available conductive liquid, which will not be described in detail here. The in-pool extrusion system 3 is used to extrude the sponge sheet inside the soaking system 2, thereby causing the sponge sheet to absorb the conductive liquid. The auxiliary extrusion system 4 includes two auxiliary extrusion frames 41, two extrusion devices 43, and two traction wheels 44. The two auxiliary extrusion frames 41 are installed inside the soaking system 2, and the extrusion devices 43 are movably installed on the corresponding auxiliary extrusion frames 41. Two traction wheels 44 are rotatably mounted on the corresponding auxiliary extrusion frame 41. The surfaces of the two traction wheels 44 protrude from the surface of the auxiliary extrusion frame 41. Each traction wheel 44 is connected to the corresponding extrusion device 43. The two auxiliary extrusion frames 41 form two injection chambers 42, which are located on both sides of the auxiliary extrusion frame 41. The two injection chambers 42 extend into the corresponding extrusion channel 6. The injection chambers 42 are connected to an injection pump. The injection pump actively pumps the conductive liquid into the injection chambers 42, actively feeding the sponge sheet located in the extrusion channel 6 to ensure that the sponge sheet is thoroughly soaked. The sponge sheet passes through the surface of the auxiliary extrusion frame 41, and the two traction wheels 44 rotate accordingly, causing the extrusion device 43 to rise and fall. The sponge sheet is repeatedly extruded into the extrusion system 3 in the extrusion channel 6, promoting the absorption of conductive liquid by the sponge sheet.

[0038] Specifically, the unwinding system 1 includes several unwinding rollers, each of which is rotatably mounted on one side of the soaking system 2. Each unwinding roller is connected to an unwinding motor to realize the unwinding of the sponge sheet roll.

[0039] Specifically, the soaking system 2 includes a soaking tank 21 and several soaking guide rollers 22. Each soaking guide roller 22 is rotatably installed in the soaking tank 21. The in-tank extrusion system 3 is installed in the soaking tank 21. The unwinding system 1 and the out-of-tank extrusion system 5 are respectively installed at both ends of the soaking tank 21 to realize the soaking of the sponge sheet.

[0040] Specifically, the in-pool extrusion system 3 comprises a plurality of pairs of mutually roller-pressed in-pool extrusion rollers 31, and adjacent in-pool extrusion rollers 31 form an extrusion channel 6, so that the sponge sheet is deformed in the soaking pool 21 to facilitate the absorption of the conductive liquid.

[0041] Specifically, the out-pool extrusion system 5 comprises a flow guide groove 51 and a plurality of pairs of mutually roller-pressed out-pool extrusion rollers 52, and adjacent out-pool extrusion rollers 52 form an extrusion channel 6, each out-pool extrusion roller 52 is rotatably mounted on the flow guide groove 51, the flow guide groove 51 is mounted on the side of the soaking system 2, and the soaked sponge sheet passes between adjacent out-pool extrusion rollers 52 to squeeze out excess conductive liquid, and the side of the flow guide groove 51 close to the soaking system 2 is lower than the side away from the soaking system 2, facilitating the return flow of the conductive liquid.

[0042] Specifically, the two auxiliary extrusion frames 41 form a spindle shape to facilitate the flow of the sponge sheet, and one of the two traction wheels 44 mentioned above protrudes from the upper surface of the upper auxiliary extrusion frame 41 at the uppermost end of the upper auxiliary extrusion frame 41, and the other protrudes from the lower surface of the lower auxiliary extrusion frame 41 at the lowermost end of the lower auxiliary extrusion frame 41, and the spindle-shaped two auxiliary extrusion frames 41 allow the sponge sheet to be fully extruded against the corresponding traction wheel 44, ensuring the rotation of the traction wheel 44.

[0043] Specifically, the injection cavity 42 is provided with an injection grid 421 on both sides of the auxiliary extrusion frame 41, and the sponge sheet forms a deformation zone under the extrusion of adjacent in-pool extrusion rollers 31, and the injection cavity 42 actively injects liquid to the deformation zone of the sponge sheet through the injection grid 421, facilitating the absorption of the conductive liquid by the sponge sheet.

[0044] Specifically, the extrusion device 43 comprises an extrusion carrier sheet 431, both ends of the extrusion carrier sheet 431 extend to the extrusion channel 6, and the extrusion carrier sheet 431 is provided with an extrusion plate 432 extending from the corresponding auxiliary extrusion frame 41 at the position extending to the extrusion channel 6, the extrusion plate 432 assists in extruding the sponge sheet, facilitating the soaking of the sponge sheet, and a guide slope is provided on both sides of the extrusion plate 432 to reduce the movement resistance of the sponge sheet, and a plurality of sliding columns 4311 are provided on the extrusion carrier sheet 431 to slide along the auxiliary extrusion frame 41, achieving stable lifting of the extrusion carrier sheet 431.

[0045] Specifically, the traction wheel 44 is provided with a plurality of traction friction plates 441 uniformly distributed along the circumference, and the eccentric position of the traction wheel 44 is provided with a connecting rod, both ends of the connecting rod are rotatably mounted on the traction wheel 44 and the extrusion carrier sheet 431 of the extrusion device 43, achieving the lifting of the extrusion device 43, and the traction friction plates 441 not only rub against the sponge sheet to achieve transmission, but also the flow of the conductive liquid adjacent to the sponge sheet, and the flowing conductive liquid also has a pushing effect on the traction friction plates 441.

[0046] The conductive sponge production process uses the conductive sponge production equipment, comprising the following steps:

[0047] S1: the unwinding system 1 unwinds;

[0048] S2: the sponge sheet enters the soaking system 2, the soaking system 2 is filled with conductive liquid, the sponge sheet passes through the pool extrusion system 3 and then passes through the pool extrusion system 3;

[0049] S3: the sponge sheet passes along the surface of the auxiliary extrusion frame 41, and the sponge sheet drives the two traction wheels 44 to rotate;

[0050] S4: the traction wheel 44 drives the corresponding extrusion device 43 to ascend and descend along the auxiliary extrusion frame 41, so that the extrusion device 43 repeatedly extrudes the sponge sheet to the pool extrusion system 3, ensures that the sponge sheet is soaked, and ensures the conductivity of the conductive sponge;

[0051] S5: the injection cavity 42 extrudes the conductive liquid in the extrusion channel 6, and the conductive liquid flows back to the soaking system 2.

[0052] The above shows and describes the basic principles and main features of the present application and the advantages of the present application. It should be understood by those skilled in the art that the present application is not limited to the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An apparatus for producing electrically conductive sponge, characterized in that, The utility model provides an extrusion system of sponge piece, including unwinding system, soaking system, in -pool extrusion system, auxiliary extrusion system and out -of -pool extrusion system, the in -pool extrusion system is installed in soaking system, and the unwinding system and out -of -pool extrusion system are installed respectively in both ends of soaking system, the in -pool extrusion system has a plurality of extrusion channels, and the auxiliary extrusion system includes two auxiliary extrusion frames, two extrusion devices and two traction wheels, two auxiliary extrusion frames are installed in soaking system, the extrusion device is liftable and is installed on the corresponding auxiliary extrusion frame, two the traction wheel rotatable installation is in corresponding auxiliary extrusion frame, and the traction wheel surface of two protrudes from auxiliary extrusion frame surface, and each traction wheel is drivenly connected with corresponding extrusion device, and two the auxiliary extrusion frame between surrounds two injection cavities, and two injection cavities are located respectively in both sides of auxiliary extrusion frame, and two injection cavities extend into corresponding extrusion channel, and the injection cavity is communicated with injection pump, and two pieces the auxiliary extrusion frame forms fusiform, and one of two the traction wheel protrudes from the auxiliary extrusion frame upper surface in the uppermost end of upper auxiliary extrusion frame, and another traction wheel protrudes from the auxiliary extrusion frame lower surface in the lowermost end of lower auxiliary extrusion frame, and the traction wheel is equipped with and is uniformly provided with a plurality of traction friction pieces along the circumferential direction, and the eccentric position of traction wheel is equipped with connecting rod, and the both ends of connecting rod are rotatable and installed on traction wheel and extrusion device respectively.

2. The electrically conductive sponge production apparatus according to claim 1, characterized in that, The unwinding system includes a plurality of unwinding rollers, each of which is rotatably installed on one side of the soaking system, and each of the unwinding rollers is drivingly connected with an unwinding motor.

3. The electrically conductive sponge production apparatus according to claim 1, characterized in that, The soaking system includes a soaking pool and a plurality of soaking guide rollers, each of which is rotatably installed in the soaking pool, and the in-pool extrusion system is installed in the soaking pool.

4. The electrically conductive sponge production apparatus according to claim 1, characterized by The in-pool extrusion system includes a plurality of pairs of in-pool extrusion rollers that roll against each other, and adjacent in-pool extrusion rollers form an extrusion channel.

5. The electrically conductive sponge production apparatus according to claim 1, wherein The out-of-pool extrusion system includes a flow guide groove and a plurality of pairs of out-of-pool extrusion rollers that roll against each other, each of which is rotatably installed on the flow guide groove, the flow guide groove is installed on the side of the soaking system, and the side of the flow guide groove close to the soaking system is lower than the side away from the soaking system.

6. The electrically conductive sponge production apparatus according to claim 1, wherein The injection cavity is provided with an injection grid on both sides of the auxiliary extrusion frame.

7. The electrically conductive sponge production apparatus according to claim 1, wherein The extrusion device includes an extrusion carrier sheet, the both ends of which extend into the extrusion channel, and the position of the extrusion carrier sheet extending into the extrusion channel is provided with an extrusion plate protruding from the corresponding auxiliary extrusion frame, the both sides of the extrusion plate are provided with guide inclined surfaces, and the extrusion carrier sheet is provided with a plurality of sliding columns sliding along the auxiliary extrusion frame.

8. A process for producing an electrically conductive sponge using the electrically conductive sponge production apparatus according to claim 1, characterized by, The method includes the following steps: S1: unwinding by the unwinding system; S2: the sponge piece enters the soaking system, the soaking system is filled with conductive liquid, the sponge piece passes through the in-pool extrusion system and then passes through the in-pool extrusion system; S3: the sponge piece passes along the surface of the auxiliary extrusion frame, and the sponge piece drives the two traction wheels to rotate; S4: the traction wheel drives the corresponding extrusion device to ascend and descend along the auxiliary extrusion frame, so that the extrusion device repeatedly extrudes the sponge piece towards the in-pool extrusion system; S5: the injection cavity extrudes the conductive liquid in the extrusion channel, and the conductive liquid flows back to the soaking system.

Citation Information

Patent Citations

  • Sponge ink injection device

    CN216330993U

  • Infiltrating press for conductive sponge

    CN219610125U

  • Material layer extruding and drying equipment

    CN219816872U