Device for preparing hydrogel film
By designing a hydrogel film preparation device that includes a base plate, a cover plate, an insert plate, and a sealing gasket, the problems of complex operation and uneven thickness in traditional methods are solved, and convenient and efficient hydrogel film preparation and demolding are realized.
Patent Information
- Application Number
- CN202421193310.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-29
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2034-05-29
AI Technical Summary
Traditional methods for preparing hydrogel films are complex, inefficient, and produce uneven film thicknesses.
A device comprising a base plate, a cover plate, an insert plate, and a sealing gasket was designed. The cover plate and the base plate are hinged together, and the sealing gasket forms a space to contain the original liquid. A heating device is used to accelerate gelation, and the insert plate is used to seal and fix the liquid, thus achieving convenient film formation and demolding.
It achieves simple and efficient preparation of hydrogel films with good film thickness uniformity, and is suitable for the production of films of different sizes.
Smart Images

Figure CN222328829U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of hydrogel film production equipment, and more specifically to a device for preparing a hydrogel film. Background Art
[0002] Hydrogel films are widely used in biomedicine, electronic devices, and smart materials due to their unique properties. However, the traditional method of preparing hydrogel films is to introduce the hydrogel stock solution into a mold, so that it naturally forms a sheet of colloid from the liquid, and then remove it from the mold after the colloid is formed. There are problems such as complex operation, low efficiency, and uneven film thickness. Therefore, it is of great significance to develop a device for preparing hydrogel films that is convenient to operate, integrated, and efficient. Utility Model Content
[0003] The purpose of the utility model is to overcome the deficiencies of the prior art, develop a device for preparing a hydrogel film that is convenient to operate, integrated, and efficient, and provide a device for preparing a hydrogel film.
[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0005] The utility model discloses a device for preparing a hydrogel film, comprising a base plate, a cover plate, an insert plate, and a sealing pad, wherein the base plate is hinged with the cover plate, the base plate and the cover plate comprise a hinged end and a movable end, the sealing pad is installed on the cover plate, the sealing pad is located between the base plate and the cover plate, the insert plate is inserted into the movable ends of the base plate and the cover plate to thereby fix the base plate and the cover plate, the sealing pad comprises an open end, the open end faces the movable end of the cover plate and is flush with the end surface of the movable end of the cover plate, the base plate, the cover plate, and the sealing pad constitute a film space, the insert plate closes the open end, and thereby the film space is sealed.
[0006] Furthermore, it includes a heating device, which is installed on the bottom plate. The bottom plate is provided with a bottom groove. The heating device includes a controller and a heating tube. The heating tube is located in the bottom groove. The bottom plate is installed with a sealing plate, which closes the bottom groove. The upper end surface of the sealing plate is flush with the upper end surface of the bottom plate.
[0007] Furthermore, the sealing gasket is located within the range of the sealing plate, and the sealing plate, the cover plate, the plug plate and the sealing gasket constitute a thin film space.
[0008] Furthermore, the cover plate is provided with a buckle plate, and the buckle plate is located on the side of the cover plate. The bottom plate is provided with a buckle groove corresponding to the buckle plate, and the buckle plate can be buckled with the buckle groove.
[0009] Furthermore, the base plate is provided with a first slot, the cover plate is provided with a second slot, the second slot passes through the upper and lower end surfaces of the cover plate, the first slot corresponds to the second slot in position, the plug-in plate includes a card plate, the card plate passes through the second slot, and at least a portion of the card plate is located in the first slot.
[0010] Furthermore, a sealing strip is installed on the plug plate, and the sealing strip is located on a side of the plug plate facing the sealing gasket, and the sealing strip is interference-fitted with an end face of the movable end.
[0011] Furthermore, the plug plate is provided with a first stopper bar and a second stopper bar, the first stopper bar is located above the sealing strip, and the second stopper bars are respectively located at both ends of the sealing strip.
[0012] Furthermore, the bottom plate is provided with a limit plate, which is located at the movable end of the bottom plate, and a limit groove is formed between the limit plate and the bottom plate, a part of the plug plate can be inserted into the limit groove, and the upper end surface of the limit plate does not exceed the upper end surface of the bottom plate.
[0013] Furthermore, the limiting plate includes a baffle, which is located on the upper end surface of the limiting plate and extends upward.
[0014] Furthermore, the cover plate and the bottom plate are both provided with supporting feet, and the supporting feet are located at the end surfaces of the hinged ends of the cover plate and the bottom plate.
[0015] The beneficial effects of the utility model are:
[0016] 1. The utility model forms a space capable of accommodating the stock solution by covering the bottom plate and the cover plate with the sealing gasket, and the stock solution is poured upward with the open end, and the movable end and the open end are fixedly sealed by the plug plate, and the device is placed horizontally to form the hydrogel film. The process is simple and the hydrogel film is easy to demould.
[0017] 2. The utility model is suitable for heating gelled hydrogels. A heating device is installed in the bottom plate. The heating device can accelerate the solidification of the hydrogel and improve production efficiency.
[0018] 3. The utility model can change the size of the film space by replacing and adjusting sealing pads of different sizes, thereby being able to produce hydrogel films of different sizes. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 A schematic diagram of this embodiment.
[0020] Figure 2 This is an exploded view of this embodiment.
[0021] Figure 3Schematic diagram of the plug board in this embodiment.
[0022] Figure 4 is a cross-sectional view of this embodiment.
[0023] Figure 5 for Figure 4 Enlarged view of point A in the middle.
[0024] Figure numerals: 1. bottom plate; 11. bottom groove; 12. limit plate; 121. limit groove; 122. baffle plate; 13. buckle groove; 14. first slot; 2. cover plate; 21. buckle plate; 22. second slot; 3. plug-in plate; 31. card plate; 32. sealing strip; 33. first baffle strip; 34. second baffle strip; 4. sealing plate; 5. sealing gasket; 51. film space; 52. opening end; 6. heating device; 61. controller; 62. heating tube; 7. support foot. DETAILED DESCRIPTION
[0025] The following will be combined with the drawings in this embodiment to clearly and completely describe the technical solution in this embodiment. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.
[0026] like Figure 1 , Figure 2 As shown, this embodiment discloses a device for preparing a hydrogel film, which is suitable for heating a gelled hydrogel, comprising a bottom plate 1, a cover plate 2, an insert plate 3, a sealing pad 5, and a heating device 6. The bottom plate 1 is hinged to the cover plate 2, and the bottom plate 1 and the cover plate 2 include a hinged end and a movable end. The cover plate 2 can rotate around the hinged end. The sealing pad 5 is installed on the cover plate 2, and the sealing pad 5 is located between the bottom plate 1 and the cover plate 2. When the cover plate 2 is covered with the bottom plate 1, a squeezing force can be generated on the sealing pad 5 to achieve sealing. The sealing pad 5 includes an open end 52, and the open end 52 is connected to the cover plate 2 toward the cover plate 2. The movable end of the plate 2 is flush with the end surface of the movable end of the cover plate 2. The bottom plate 1, the cover plate 2, and the sealing gasket 5 constitute a thin film space 51. After the cover plate 2 and the bottom plate 1 are covered, the cover plate 2 and the bottom plate 1 are erected. The cover plate 2 and the bottom plate 1 are both provided with support feet 7. The support feet 7 are located at the end surfaces of the hinged ends of the cover plate 2 and the bottom plate 1. The support feet 7 are used to support the device when it is erected. The support feet 7 located on the cover plate 2 and the bottom plate 1 are staggered with each other and do not interfere with the rotation of the cover plate 2, so that the open end 52 faces upward, and the hydrogel stock solution can be injected into the thin film space 51 from the open end 52.
[0027] More preferably, the cover plate 2 is provided with a buckle plate 21, which is located on the side of the cover plate 2, and the base plate 1 is provided with a buckle groove 13 corresponding to the buckle plate 21. The buckle plate 21 can be buckled with the buckle groove 13. The buckle plate 21 is buckled into the buckle groove 13 when the cover plate 2 and the base plate 1 are covered, so as to fix the cover plate 2 and the base plate 1 when the hydrogel stock solution is poured.
[0028] The heating device 6 is installed on the bottom plate 1, and the bottom plate 1 is provided with a bottom groove 11. The heating device 6 includes a controller 61 and a heating tube 62. The heating tube 62 is located in the bottom groove 11. The heating tube 62 is laid in the bottom groove 11 in the form of a circular pipeline. The bottom plate 1 is installed with a sealing plate 4, and the sealing plate 4 closes the bottom groove 11. The upper end surface of the sealing plate 4 is flush with the upper end surface of the bottom plate 1. The sealing plate 4 can receive the heat generated by the heating tube 62. The material of the sealing plate 4 can be replaced according to the requirements of heat conduction; the sealing pad 5 is located within the range of the sealing plate 4 to ensure that the hydrogel raw material is located on the upper end surface of the sealing plate 4 and can be heated. The sealing plate 4, the cover plate 2, the plug plate 3, and the sealing pad 5 constitute a film space 51.
[0029] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 As shown, the bottom plate 1 is provided with a first slot 14, the cover plate 2 is provided with a second slot 22, the second slot 22 penetrates the upper and lower end surfaces of the cover plate 2, the first slot 14 and the second slot 22 correspond in position, the plug-in plate 3 includes a card plate 31, the card plate 31 penetrates the second slot 22, at least a portion of the card plate 31 is located in the first slot 14, the card plate 31 and the first slot 14, the second slot 22 are all L-shaped, and can limit the insertion of the plug-in plate 3. After the plug-in plate 3 is inserted into the first slot 14 and the second slot 22, the cover plate 2 and the bottom plate 1 are fixed for the second time. When the cover plate 2 and the bottom plate 1 are covered and the stock solution is injected into the film space 51 to the required amount, the plug-in plate 3 is plugged into the movable ends of the bottom plate 1 and the cover plate 2 to thereby fix the bottom The plate 1 is fixed to the cover plate 2, and the plug plate 3 is installed with a sealing strip 32. The sealing strip 32 is located on the side of the plug plate 3 facing the sealing gasket 5. The sealing strip 32 is interference fit with the end face of the movable end. The edge of the lower end face of the sealing strip 32 is provided with a transitional fillet, so that the plug plate 3 can be better sealed with the end face of the movable end from top to bottom. The plug plate 3 closes the open end 52 and then seals the film space 51, so that the film space 51 forms a sealed cavity. The device is turned over to a horizontal position so that the lower end face of the film space 51 is horizontal, that is, the bottom plate 1 remains horizontal. By installing adaptive telescopic feet on the lower end face of the bottom plate 1, the horizontal calibration can be automatically performed to keep the thickness of the hydrogel film formed in the film space 51 uniform.
[0030] like Figure 1 , Figure 2 , Figure 4 , Figure 5As shown, the bottom plate 1 is provided with a limit plate 12, which is located at the movable end of the bottom plate 1, and a limit groove 121 is formed between the limit plate 12 and the bottom plate 1, and the limit groove 121 can be used for the lower end of the plug plate 3 to be inserted, so as to limit and fix the plug plate 3. The limit plate 12 is against the outer side surface of the plug plate 3, and a part of the plug plate 3 can be inserted into the limit groove 121. The upper end surface of the limit plate 12 does not exceed the upper end surface of the bottom plate 1, so as to ensure that the limit plate 12 will not block the opening end 52 after the cover plate 2 and the bottom plate 1 are covered, so that the raw liquid can be introduced into the film space 51.
[0031] More preferably, the limiting plate 12 includes a baffle 122, which is located on the upper end surface of the limiting plate 12, and the baffle 122 extends upward. The limiting plate 12 guides and supports the plug plate 3, and can make the sealing strip 32 tightly press against the end surface of the movable end, so that the sealing effect is better, and a plurality of baffles 122 can be provided, and a space for pouring the original liquid is reserved between two adjacent baffles 122. The baffles 122 are concentrated in the middle position of the limiting plate 12 as much as possible to support the middle part of the plug plate 3.
[0032] More preferably, the plug board 3 is provided with a first stop bar 33 and a second stop bar 34, the first stop bar 33 is located above the sealing strip 32, and the second stop bar 34 is respectively located at both ends of the sealing strip 32, the first stop bar 33 limits the upper edge of the sealing strip 32, and the second stop bar 34 limits the two sides of the sealing strip 32, so as to prevent the transition deformation of the sealing strip 32 from affecting the sealing effect of the plug board 3.
[0033] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.
Claims
1. A device for preparing a hydrogel film, characterized in that: The invention comprises a bottom plate (1), a cover plate (2), an insert plate (3), and a sealing gasket (5); the bottom plate (1) and the cover plate (2) are hingedly connected; the bottom plate (1) and the cover plate (2) comprise a hinged end and a movable end; the sealing gasket (5) is installed on the cover plate (2); the sealing gasket (5) is located between the bottom plate (1) and the cover plate (2); the insert plate (3) is inserted into the movable ends of the bottom plate (1) and the cover plate (2) so as to fix the bottom plate (1) and the cover plate (2); the sealing gasket (5) comprises an open end (52); the open end (52) faces the movable end of the cover plate (2) and is flush with the end surface of the movable end of the cover plate (2); the bottom plate (1), the cover plate (2), and the sealing gasket (5) form a thin film space (51); the insert plate (3) closes the open end (52) so as to seal the thin film space (51).
2. The device for preparing a hydrogel film according to claim 1, characterized in that: The invention comprises a heating device (6), wherein the heating device (6) is installed on the bottom plate (1), the bottom plate (1) is provided with a bottom groove (11), the heating device (6) comprises a controller (61) and a heating tube (62), the heating tube (62) is located in the bottom groove (11), the bottom plate (1) is installed with a sealing plate (4), the sealing plate (4) closes the bottom groove (11), and the upper end surface of the sealing plate (4) is flush with the upper end surface of the bottom plate (1).
3. The device for preparing a hydrogel film according to claim 2, characterized in that: The sealing gasket (5) is located within the range of the sealing plate (4), and the sealing plate (4), the cover plate (2), the insert plate (3) and the sealing gasket (5) form a thin film space (51).
4. The device for preparing a hydrogel film according to claim 1, characterized in that: The cover plate (2) is provided with a buckle plate (21), the buckle plate (21) is located on the side of the cover plate (2), the bottom plate (1) is provided with a buckle groove (13) corresponding to the buckle plate (21), and the buckle plate (21) can be buckled with the buckle groove (13).
5. The device for preparing a hydrogel film according to claim 1, characterized in that: The base plate (1) is provided with a first slot (14), the cover plate (2) is provided with a second slot (22), the second slot (22) passes through the upper and lower end surfaces of the cover plate (2), the first slot (14) and the second slot (22) correspond in position, the plug plate (3) comprises a card plate (31), the card plate (31) passes through the second slot (22), and at least a portion of the card plate (31) is located in the first slot (14).
6. The device for preparing a hydrogel film according to claim 1, characterized in that: The plug plate (3) is provided with a sealing strip (32), the sealing strip (32) being located on a side of the plug plate (3) facing the sealing pad (5), and the sealing strip (32) is in interference fit with the end surface of the movable end.
7. The device for preparing a hydrogel film according to claim 6, characterized in that: The plug plate (3) is provided with a first stopper (33) and a second stopper (34); the first stopper (33) is located above the sealing strip (32); and the second stopper (34) is located at both ends of the sealing strip (32).
8. The device for preparing a hydrogel film according to claim 1, characterized in that: The bottom plate (1) is provided with a limiting plate (12), the limiting plate (12) being located at the movable end of the bottom plate (1), a limiting groove (121) being formed between the limiting plate (12) and the bottom plate (1), a part of the plug plate (3) being able to be inserted into the limiting groove (121), and the upper end surface of the limiting plate (12) does not exceed the upper end surface of the bottom plate (1).
9. The device for preparing a hydrogel film according to claim 8, characterized in that: The limiting plate (12) comprises a baffle (122), wherein the baffle (122) is located on the upper end surface of the limiting plate (12), and the baffle (122) extends upward.
10. The device for preparing a hydrogel film according to claim 1, characterized in that: The cover plate (2) and the bottom plate (1) are both provided with supporting feet (7), and the supporting feet (7) are located on the end surfaces of the hinged ends of the cover plate (2) and the bottom plate (1).