Slit film sewing device for laboratory

Abstract

The utility model discloses a narrow-seam film-making device for a laboratory, which belongs to the technical field of narrow-seam film-making and is characterized in that an operating platform is arranged at the top end of a film-making machine body; the top end of the operation platform is connected with a membrane preparation assembly for membrane preparation and interfacial polymerization; the membrane manufacturing assembly comprises a feeding assembly, a lifting assembly and a supporting piece, and one side of the supporting piece is connected with the feeding assembly; one side of the supporting piece is connected with a lifting assembly; the outer wall of the film making machine body is connected with a sliding assembly used for sliding of the film making plate. And one side of the top end of the film making machine body is fixedly connected with a forward switch. According to the mode, a membrane casting solution with the required thickness can be directly sprayed on a base material through the slit spraying device to directly prepare a flat membrane, meanwhile, an oil phase can be sprayed on a wet membrane through the slit spraying device to achieve the effect of interfacial polymerization, and the thickness of the membrane can be controlled by adjusting the lifting assembly, so that the coating process is simplified, and the production efficiency is improved. And the subsequent treatment steps are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of slit film making, in particular to a slit film making device for a laboratory. Background Art

[0002] The scraper film scraping device is a device that applies the casting liquid to the substrate to form a flat film. The utility model provides a method for preparing a flat film using a slit spraying device, which can be used for direct film preparation and can also be used for spraying oil phase to achieve interfacial polymerization to prepare nanofiltration membranes.

[0003] Announcement No. CN201470568U discloses an automatic coating and scraping machine, which provides a scraper device for preparing flat films. The device is equipped with a drive unit connected to a scraper. The casting liquid is cast in front of the scraper. After the device is started, the drive unit drives the scraper forward, and the casting liquid will be spread flat on the substrate.

[0004] However, the automatic coating and scraping machine can only be used for scraping films and is only suitable for large-scale production occasions. When used in a laboratory, a coating machine that only scrapes films is difficult to meet the requirements of laboratory use.

[0005] Based on this, the utility model designs a laboratory slit film making device to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a slit film-making device for laboratory use.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A laboratory slit film-making device comprises a film-making machine body, an operating platform is arranged on the top of the film-making machine body; a film-making component for film-making and interfacial polymerization is connected to the top of the operating platform;

[0009] The film making assembly comprises a feeding assembly, a lifting assembly and a support member, wherein one side of the support member is connected to the feeding assembly; and one side of the support member is connected to the lifting assembly;

[0010] The outer wall of the film-making machine body is connected with a sliding assembly for sliding of the film-making plate;

[0011] A forward switch is fixedly connected to one side of the top of the film-making machine body, and a backward switch is arranged beside the forward switch, and the bottom end of the backward switch is fixedly connected to one side of the top of the film-making machine body.

[0012] Furthermore, the feeding assembly includes a storage tank, a feed pump and a feed pipe. The storage tank is placed on the ground and fixedly connected to the feed pump through a connecting pipe. The feed pump is fixedly connected to the side wall of the film making machine body through a side panel, and the feed pipe is fixedly connected to the top of the feed pump.

[0013] Furthermore, the feeding assembly also includes a hose and a sliding member, one end of the feed pipe is fixedly connected to the hose, the other end of the hose is embedded in the top of the sliding member, and the bottom end of the sliding member is hollow, and the outer wall of the sliding member is slidably connected to the top of the support member.

[0014] Furthermore, the feeding assembly also includes a first screw rod, a first drive motor and a first belt, the bottom end of the first drive motor is connected to one side of the support member through a side plate, fixed plates are provided on both sides of both ends of the support member, and the first screw rod is rotatably connected between the fixed plates relative to each other, one end of the first screw rod on one side is fixedly connected to the driving end of the first drive motor, the first screw rods are driven by a first belt, and the first belt is located between the fixed plate and the first drive motor, and both sides of the sliding member are threadedly connected to the two first screw rods through the side plates.

[0015] Furthermore, the lifting assembly includes a second drive motor, a second screw rod and a slider. The side wall of the second drive motor is fixedly connected to one side of the film making machine body through a connecting plate. The top end of the second screw rod is rotatably connected to the connecting plates at both ends of the support member, and the second screw rods are driven by a belt. The bottom end of the second screw rod on one side is fixedly connected to the driving end of the second drive motor. The outer wall of the slider is slidably connected to the side walls at both ends of the support member, and the middle parts of both ends of the slider are threadedly connected to the outer wall of the second screw rod.

[0016] Furthermore, the lifting assembly also includes a slit spraying device, both sides of the sliding block at one opposite end are fixedly connected to the two ends of the slit spraying device, and the outer wall of the slit spraying device is slidably connected to the inside of the support.

[0017] Furthermore, the sliding assembly includes a linear module, a third drive motor and a second belt. The two groups of linear modules are respectively fixedly connected to the top of the film making machine body, the top of the third drive motor is fixedly connected to the top of the film making machine body, and the third drive motor is located between the two groups of linear modules. The third drive motor and the two groups of linear modules are connected by a second belt transmission through a drive rod.

[0018] Furthermore, the sliding assembly also includes a film plate, the bottom end of which is fixedly connected to the driving ends of the two groups of linear modules through a slider, two slide grooves are opened on the top of the operating platform, and the bottom end of the film plate is slidably connected in the two slide grooves through the slider.

[0019] The utility model has the following technical effects:

[0020] 1. When the utility model is working, the casting liquid of the required thickness can be directly sprayed on the substrate through the slit spraying device to realize the direct preparation of the flat film. At the same time, the oil phase can be sprayed on the wet film through the slit spraying device to achieve the effect of interfacial polymerization. The thickness of the film can be controlled by adjusting the lifting component, thereby simplifying the coating process and reducing the steps of subsequent processing.

[0021] 2. When the utility model is working, the sliding member is controlled to slide on the supporting member to achieve uniform material loading, and the casting liquid or oil phase is evenly sprayed on the substrate through the slit spraying device, thereby improving the film making efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 The utility model is a three-dimensional slit film making device for laboratory use Figure 1 ;

[0024] Figure 2 It is a top view of a laboratory slit film making device of the utility model;

[0025] Figure 3 The utility model is a three-dimensional slit film making device for laboratory use Figure 2 ;

[0026] Figure 4 It is a bottom schematic diagram of a laboratory slit film making device of the utility model;

[0027] Figure 5 for Figure 1 The enlarged view of point A in the middle;

[0028] Figure 6 for Figure 1 Enlarged view of point B in the middle.

[0029] The numbers in the figure represent:

[0030] 1. Film making machine body; 2. Operating platform; 3. Film making assembly; 31. Loading assembly; 311. Storage tank; 312. Feed pump; 313. Feed pipe; 314. Hose; 315. Sliding member; 316. First screw rod; 317. First drive motor; 318. First belt; 32. Lifting assembly; 321. Second drive motor; 322. Second screw rod; 323. Sliding block; 324. Slit spraying device; 33. Support member; 4. Sliding assembly; 41. Linear module; 42. Third drive motor; 43. Second belt; 44. Film placing plate; 5. Forward switch; 6. Backward switch. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] The utility model is further described below in conjunction with embodiments.

[0033] Example 1

[0034] Please refer to the instruction manual Figure 1-6 A laboratory slit film-making device comprises a film-making machine body 1, an operating platform 2 is arranged on the top of the film-making machine body 1; a film-making component 3 for film-making and interfacial polymerization is connected to the top of the operating platform 2;

[0035] The film making assembly 3 includes a loading assembly 31, a lifting assembly 32 and a support member 33. One side of the support member 33 is connected to the loading assembly 31; and one side of the support member 33 is connected to the lifting assembly 32;

[0036] The outer wall of the film-making machine body 1 is connected with a sliding assembly 4 for sliding of the film-making plate;

[0037] A forward switch 5 is fixedly connected to one side of the top of the film-making machine body 1 , and a backward switch 6 is arranged beside the forward switch 5 , and the bottom end of the backward switch 6 is fixedly connected to one side of the top of the film-making machine body 1 .

[0038] Place the feeler gauge of the film thickness to be scraped under the slit spraying device 324, control the lifting component 32 to descend, and the most suitable position is when the feeler gauge cannot move, place the substrate on the sliding component 4, inject the casting liquid into the slit through the feeding component 31, start the equipment, and the sliding component 4 drives the substrate to move forward through the slit, and the casting liquid is sprayed onto the substrate to complete the film making; place the substrate with a layer of wet film on the sliding component 4, add the oil phase into the slit spraying device 324 through the feeding component 31, and start the equipment again, and the sliding component 4 drives the substrate with a layer of wet film to move forward through the slit, and the oil phase is sprayed onto the substrate to achieve interfacial polymerization.

[0039] Example 2

[0040] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the loading assembly 31 includes a storage tank 311, a feed pump 312 and a feed pipe 313. The storage tank 311 is placed on the ground and is fixedly connected to the feed pump 312 through a connecting pipe. The feed pump 312 is fixedly connected to the side wall of the film making machine body 1 through a side panel, and the feed pipe 313 is fixedly connected to the top of the feed pump 312.

[0041] The feeding assembly 31 also includes a hose 314 and a sliding member 315. One end of the feed pipe 313 is fixedly connected to the hose 314. The other end of the hose 314 is embedded in the top of the sliding member 315. The bottom end of the sliding member 315 is hollow, and the outer wall of the sliding member 315 is slidably connected to the top of the support member 33.

[0042] The loading assembly 31 also includes a first screw rod 316, a first drive motor 317 and a first belt 318. The bottom end of the first drive motor 317 is connected to one side of the support member 33 through a side plate. Fixed plates are arranged on both sides of both ends of the support member 33, and the first screw rod 316 is rotatably connected between the fixed plates. One end of the first screw rod 316 on one side is fixedly connected to the drive end of the first drive motor 317. The first screw rod 316 is transmitted through the first belt 318, and the first belt 318 is located between the fixed plate and the first drive motor 317. Both sides of the sliding member 315 are threadedly connected to the two first screw rods 316 through the side plates.

[0043] When film making operation is carried out, the feed pump 312 draws the casting liquid in the storage tank 311 through the connecting pipe, and transports the casting liquid to the slit spraying device 324 through the feed pipe 313 and the hose 314. At the same time, the first drive motor 317 drives the first screw 316 through the first belt 318, thereby controlling the sliding member 315 to slide on the support member 33, which can evenly load the material, thereby improving the efficiency of film making.

[0044] The lifting assembly 32 includes a second drive motor 321, a second screw rod 322 and a slider 323. The side wall of the second drive motor 321 is fixedly connected to one side of the film making machine body 1 through a connecting plate. The top end of the second screw rod 322 is rotatably connected to the connecting plates at both ends of the support member 33, and the second screw rods 322 are driven by belts. The bottom end of the second screw rod 322 on one side is fixedly connected to the driving end of the second drive motor 321. The outer wall of the slider 323 is slidably connected to the side walls at both ends of the support member 33, and the middle parts of both ends of the slider 323 are threadedly connected to the outer wall of the second screw rod 322.

[0045] The lifting assembly 32 also includes a slit spraying device 324 . Both sides of the opposite end of the sliding block 323 are fixedly connected to the two ends of the slit spraying device 324 , and the outer wall of the slit spraying device 324 is slidably connected to the inside of the support member 33 .

[0046] The second driving motor 321 drives the two second screw rods 322 through a belt, thereby controlling the slider 323 to rise or fall, driving the slit spraying device 324 to rise and fall, so as to control the thickness required for film formation.

[0047] Example 3

[0048] like Figure 1-6 As shown, as a preferred embodiment of the utility model, the sliding assembly 4 includes a linear module 41, a third drive motor 42 and a second belt 43. The two groups of linear modules 41 are respectively fixedly connected to the top of the inside of the film making machine body 1, the top of the third drive motor 42 is fixedly connected to the top of the inside of the film making machine body 1, and the third drive motor 42 is located in the middle of the two groups of linear modules 41. The third drive motor 42 and the two groups of linear modules 41 are connected by the second belt 43 through a drive rod.

[0049] The sliding assembly 4 also includes a film plate 44, the bottom end of which is fixedly connected to the driving ends of the two sets of linear modules 41 through a slide. Two slide grooves are opened on the top of the operating platform 2, and the bottom end of the film plate 44 is slidably connected in the two slide grooves through a slide.

[0050] The third driving motor 42 drives the two sets of linear modules 41 to make linear motion through the second belt 43, thereby controlling the film-setting plate 44 connected to the linear module 41, driving the substrate placed on the film-setting plate 44 to move toward the position of the slit spraying device 324, and realizing direct film formation.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A laboratory slit film-making device, comprising a film-making machine body (1), Features: An operating platform (2) is disposed at the top of the film-making machine body (1); a film-making component (3) for film-making and interfacial polymerization is connected to the top of the operating platform (2); The film-making assembly (3) comprises a loading assembly (31), a lifting assembly (32) and a support member (33); one side of the support member (33) is connected to the loading assembly (31); and one side of the support member (33) is connected to the lifting assembly (32); The outer wall of the film-making machine body (1) is connected to a sliding assembly (4) for sliding of the film-making plate; A forward switch (5) is fixedly connected to one side of the top of the film making machine body (1), and a backward switch (6) is arranged beside the forward switch (5), and the bottom end of the backward switch (6) is fixedly connected to one side of the top of the film making machine body (1).

2. The laboratory slit film forming device according to claim 1, It is characterized in that The feeding assembly (31) includes a storage tank (311), a feed pump (312) and a feed pipe (313); the storage tank (311) is placed on the ground and is fixedly connected to the feed pump (312) via a connecting pipe; the feed pump (312) is fixedly connected to the side wall of the film making machine body (1) via a side plate, and the feed pipe (313) is fixedly connected to the top of the feed pump (312).

3. The laboratory slit film forming device according to claim 2, It is characterized in that The feeding assembly (31) further comprises a hose (314) and a sliding member (315); one end of the feeding pipe (313) is fixedly connected to the hose (314); the other end of the hose (314) is embedded in the top end of the sliding member (315); the bottom end of the sliding member (315) is hollow; and the outer wall of the sliding member (315) is slidably connected to the top end of the support member (33).

4. The laboratory slit film forming device according to claim 3, It is characterized in that The feeding assembly (31) further comprises a first screw rod (316), a first driving motor (317) and a first belt (318); the bottom end of the first driving motor (317) is connected to one side of the support member (33) through a side plate; fixed plates are arranged on both sides of both ends of the support member (33); and the first screw rod (316) is rotatably connected between the fixed plates; one end of the first screw rod (316) is fixedly connected to the driving end of the first driving motor (317); the first screw rod (316) is driven by a first belt (318), and the first belt (318) is located between the fixed plate and the first driving motor (317); and both sides of the sliding member (315) are threadedly connected to the two first screw rods (316) through the side plates.

5. The laboratory slit film forming device according to claim 4, It is characterized in that The lifting assembly (32) comprises a second drive motor (321), a second screw rod (322) and a slider (323); the side wall of the second drive motor (321) is fixedly connected to one side of the inside of the film making machine body (1) via a connecting plate; the top end of the second screw rod (322) is rotatably connected to the connecting plates at both ends of the support member (33); the second screw rods (322) are driven by a belt; the bottom end of one side of the second screw rod (322) is fixedly connected to the driving end of the second drive motor (321); the outer wall of the slider (323) is slidably connected to the side walls at both ends of the support member (33); and the middle parts of both ends of the slider (323) are threadedly connected to the outer wall of the second screw rod (322).

6. The laboratory slit film forming device according to claim 5, It is characterized in that The lifting assembly (32) further comprises a slit spraying device (324), both sides of the opposite end of the sliding block (323) are fixedly connected to the two ends of the slit spraying device (324), and the outer wall of the slit spraying device (324) is slidably connected to the inside of the support member (33).

7. The laboratory slit film forming device according to claim 6, It is characterized in that The sliding assembly (4) comprises a linear module (41), a third drive motor (42) and a second belt (43); the two groups of linear modules (41) are respectively fixedly connected to the top of the film making machine body (1); the top of the third drive motor (42) is fixedly connected to the top of the film making machine body (1); and the third drive motor (42) is located between the two groups of linear modules (41); the third drive motor (42) and the two groups of linear modules (41) are connected to each other through a drive rod and a transmission by the second belt (43).

8. The laboratory slit film forming device according to claim 7, It is characterized in that The sliding assembly (4) also includes a film plate (44), the bottom end of which is fixedly connected to the movable ends of the two groups of linear modules (41) via a slide, and two slide grooves are provided on the top of the operating platform (2), and the bottom end of the film plate (44) is slidably connected in the two slide grooves via a slide.

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